CN222003007U

CN222003007U - Auxiliary device for processing

Info

Publication number: CN222003007U
Application number: CN202420369362.7U
Authority: CN
Inventors: 董钰铭; 叶铁; 杜亮; 吴欢
Original assignee: Hangzhou Yongjun Intelligent Equipment Co ltd
Current assignee: Hangzhou Yongjun Intelligent Equipment Co ltd
Priority date: 2024-02-28
Filing date: 2024-02-28
Publication date: 2024-11-15
Anticipated expiration: 2034-02-28

Abstract

The utility model discloses an auxiliary device for machining, which belongs to the technical field of numerically controlled machine tools, and comprises a workbench and a transmission groove, wherein the transmission groove is arranged on the upper surface of the workbench, a first bearing is penetrated through the inner wall of the transmission groove, a first rotating shaft is penetrated through the first bearing, and a first adjusting knob is fixedly connected to one end of the first rotating shaft. The beneficial effect is that when the grinding surface of the workpiece is converted, the third rotating shaft is driven to rotate in the third bearing by rotating the turntable, thereby driving the clamping mechanism for clamping the workpiece at the other end of the third rotating shaft to rotate. When the workpiece is rotated to an appropriate position, the shifting rod is rotated so that the shifting rod enters the first limiting groove from the hanging groove. Under the action of gravity, the shifting rod and the limiting plug rod fall to the bottom of the first limiting groove, and at the same time, the lower end of the limiting plug rod enters the corresponding limiting hole on the surface of the turntable, thereby limiting the rotation of the turntable, which is convenient for people to convert the grinding surface of the workpiece.

Description

Auxiliary device for processing

Technical Field

The utility model relates to the technical field of numerical control machine tools, in particular to an auxiliary device for machining.

Background

The grinding machine is a machine tool for grinding a surface of a workpiece using a grinding tool. Most grinding machines use grinding wheels rotating at high speed for grinding, and a few grinding machines such as oilstones, abrasive belts and other grinding tools and free abrasive materials are used for machining, such as honing machines, superfinishing machine tools, abrasive belt grinding machines, grinding machines and polishing machines, when the existing grinding machine clamping device is used for machining one surface of a workpiece and then machining other grinding surfaces, the workpiece needs to be clamped again, so that when machining is increased, in addition, the workpiece clamping device of the existing grinding machine is single in fixing mode, only workpieces with different widths can be adjusted, and the clamping of thicker workpieces is inconvenient.

Disclosure of utility model

(1) Technical problem to be solved

Aiming at the defects of the prior art, the utility model aims to provide an auxiliary device for processing, which has the characteristics of being convenient for converting the grinding surface of a workpiece and being convenient for fixing workpieces with different thicknesses.

(2) Technical proposal

In order to achieve the above purpose, the utility model provides an auxiliary device for processing, which comprises a workbench and a transmission groove, wherein the transmission groove is formed in the upper surface of the workbench, a first bearing is arranged on the inner wall of the transmission groove in a penetrating manner, a first rotating shaft is arranged in the first bearing in a penetrating manner, one end of the first rotating shaft is fixedly connected with a first adjusting knob, the other end of the first rotating shaft is fixedly connected with a first threaded column, the other end of the first threaded column is fixedly connected with a second threaded column, the other end of the second threaded column is fixedly connected with a second rotating shaft, the inner wall of the transmission groove is fixedly connected with a second bearing, the other end of the second rotating shaft is arranged in the second bearing in a penetrating manner, the surface of the first threaded column is in threaded connection with a first threaded pipe, the surface of the first threaded pipe is fixedly connected with a connecting plate, the upper surface of the connecting plate is fixedly connected with a supporting plate, the surface of the supporting plate is provided with a rotating mechanism, the rotating mechanism comprises a third bearing, the third bearing is arranged on the surface of the supporting plate in a penetrating manner, the third bearing is fixedly connected with a second threaded column, the other end of the second threaded column is fixedly connected with a second rotating shaft, the rotating shaft is fixedly connected with a limiting sleeve, the surface of the limiting sleeve is fixedly connected with a fixed sleeve, the limiting sleeve is connected with the rotating shaft is arranged in a hanging sleeve, the limiting sleeve is fixedly connected with the rotating shaft, the limiting sleeve and the limiting sleeve is fixedly connected with the rotating shaft, the rotating sleeve and the limiting sleeve is connected with the rotating shaft.

When the auxiliary device for machining is used, the third bearing, the third rotating shaft, the rotary table, the limiting inserted link and the positioning hole are arranged, when the grinding surface of a workpiece is converted, the rotary table is rotated to drive the third rotating shaft to rotate in the third bearing, so that the clamping mechanism for clamping the workpiece to be fixed is driven to rotate at the other end of the third rotating shaft, after the workpiece rotates to a proper position, the deflector rod is rotated to enable the deflector rod to enter the first limiting groove from the hanging groove, the deflector rod and the limiting inserted link fall to the bottom of the first limiting groove under the action of gravity, and meanwhile, the lower end of the limiting inserted link enters the corresponding limiting hole on the surface of the rotary table, so that the rotary table is limited to rotate, and the grinding surface of the workpiece is converted conveniently by people.

Further, the fixed clamping mechanism comprises a clamping frame, the clamping frame is fixedly connected with the other end of the third rotating shaft, a mounting groove is formed in the surface of the clamping frame, a first pin shaft is fixedly connected to the inner wall of the mounting groove, first connecting rods are fixedly connected to the surface of the first pin shaft, two groups of first connecting rods are symmetrically arranged on the surface of the first pin shaft, a second pin shaft is fixedly connected to the other end of the first connecting rod, a clamping arm is rotatably connected to the surface of the second pin shaft, a third pin shaft is rotatably connected to the surface of the clamping arm, a second connecting rod is fixedly connected to the surface of the third pin shaft, a fourth pin shaft is fixedly connected to the inner wall of the mounting groove, the other end of the second connecting rod is rotatably connected to the surface of the fourth pin shaft, two groups of second connecting rods are symmetrically arranged on the surface of the fourth pin shaft, a clamping block is fixedly connected to the other end of the clamping arm, the surface of the first pin shaft is fixedly connected with a long gear, a transmission bin is arranged in the clamping frame, a fifth bearing is penetrated through the inner wall of the transmission bin, a fifth rotating shaft is penetrated in the fifth bearing, the upper end of the fifth rotating shaft is fixedly connected with a second adjusting knob, the lower end of the fifth rotating shaft is fixedly connected with a driving bevel gear, the inner wall of the transmission bin is fixedly connected with a sixth bearing, a sixth rotating shaft is penetrated in the sixth bearing, the surface of the sixth rotating shaft is fixedly connected with a driven bevel gear, the driven bevel gear is meshed with the driving bevel gear, the other end of the sixth rotating shaft is fixedly connected with a third threaded column, a double-sided rack is arranged in the mounting groove, a limiting block is fixedly connected with the side surface of the double-sided rack, a second limiting groove is arranged in the inner wall of the mounting groove, the limiting block is slidingly connected in the second limiting groove, the double-sided rack is meshed with the long gear, a second threaded pipe is arranged on the surface of the double-sided rack in a penetrating mode, and the other end of the third threaded column is connected with the second threaded pipe in a threaded mode.

Further, the hanging groove is communicated with the first limiting groove, and the width of the hanging groove is consistent with that of the first limiting groove.

Further, the positioning holes are arranged on the surface of the turntable in an annular arrangement.

Further, the clamping block surface is fixedly connected with an anti-slip rubber pad.

Further, the limiting block and the second limiting groove are two groups in total and are symmetrically arranged on the side face of the double-sided rack.

Further, the bottom of the workbench is fixedly connected with a fixed box.

Advantageous effects

(3) In summary, the utility model has the following beneficial effects:

1. According to the auxiliary device for machining, the third bearing, the third rotating shaft, the rotating disc, the limiting inserted link and the positioning hole are arranged, when the grinding surface of a workpiece is converted, the rotating disc drives the third rotating shaft to rotate in the third bearing, so that the clamping mechanism at the other end of the third rotating shaft for clamping the workpiece is driven to rotate, after the workpiece rotates to a proper position, the deflector rod is rotated to enable the deflector rod to enter the first limiting groove from the hanging groove, the deflector rod and the limiting inserted link fall to the bottom of the first limiting groove under the action of gravity, and meanwhile, the lower end of the limiting inserted link enters the corresponding limiting hole on the surface of the rotating disc, so that the rotating disc is limited, and the grinding surface of the workpiece is convenient for people to convert;

2. This auxiliary device is used in processing through setting up second adjust knob, driving bevel gear, driven bevel gear, the third screw thread post, the second screwed pipe, two-sided rack and long gear, when fixing different thickness work pieces, people at first rotate the second adjust knob, thereby drive fifth pivot and driving bevel gear rotation, driving bevel gear drives driven bevel gear, sixth pivot and third screw thread post rotation, under the mutually supporting of third screw thread post and second screwed pipe, the second screwed pipe drives two-sided rack and removes, under two sets of long gear cooperation simultaneously at two-sided rack, the long gear drives first round pin axle and first connecting rod rotation, simultaneously the synchronous rotation of second connecting rod, two sets of first connecting rods and second connecting rod drive a set of centre gripping arms and grip block respectively and are close to each other or keep away from, make things convenient for people to fix different thickness work pieces.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the description of the embodiments or the prior art will be briefly described, and it is apparent that the drawings in the following description are only one embodiment of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a front perspective view of the present utility model;

FIG. 2 is a schematic diagram of the present utility model in front perspective cross-section;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A;

FIG. 4 is a schematic cross-sectional view of the fixed clamping mechanism of the present utility model;

fig. 5 is an enlarged schematic view of the structure at B in fig. 4.

The marks in the drawings are:

1. A work table; 2. a transmission groove; 3. a first bearing; 4. a first rotating shaft; 5. a first adjustment knob; 6. a first threaded post; 7. a second threaded post; 8. a second rotating shaft; 9. a second bearing; 10. a first threaded pipe; 11. a connecting plate; 12. a support plate; 13. a rotating mechanism; 1301. a third bearing; 1302. a third rotating shaft; 1303. a turntable; 1304. a fixed block; 1305. a sleeve; 1306. a limit inserted link; 1307. a first limit groove; 1308. a hanging groove; 1309. a deflector rod; 1310. positioning holes; 14. fixing a clamping mechanism; 1401. a clamping frame; 1402. a mounting groove; 1403. a first pin; 1404. a first link; 1405. a second pin; 1406. a clamping arm; 1407. a third pin; 1408. a second link; 1409. a fourth pin; 1410. a clamping block; 1411. a long gear; 1412. a transmission bin; 1413. a fifth bearing; 1414. a fifth rotating shaft; 1415. a second adjustment knob; 1416. a drive bevel gear; 1417. a sixth bearing; 1418. a sixth rotating shaft; 1419. a driven bevel gear; 1420. a third threaded post; 1421. double-sided racks; 1422. a limiting block; 1423. the second limit groove; 1424. a second threaded tube; 15. and fixing the box.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the present utility model easy to understand, the technical solutions in the embodiments of the present utility model are clearly and completely described below to further illustrate the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, not all versions.

Examples:

the utility model is described in further detail below with reference to fig. 1-5.

Referring to fig. 1-5, the present utility model provides a technical solution: an auxiliary device for processing comprises a workbench 1 and a transmission groove 2, wherein the transmission groove 2 is arranged on the upper surface of the workbench 1, a first bearing 3 is penetrated and arranged on the inner wall of the transmission groove 2, a first rotating shaft 4 is penetrated and arranged in the first bearing 3, one end of the first rotating shaft 4 is fixedly connected with a first adjusting knob 5, the other end of the first rotating shaft 4 is fixedly connected with a first threaded column 6, the other end of the first threaded column 6 is fixedly connected with a second threaded column 7, the other end of the second threaded column 7 is fixedly connected with a second rotating shaft 8, the inner wall of the transmission groove 2 is fixedly connected with a second bearing 9, the other end of the second rotating shaft 8 is penetrated and arranged in the second bearing 9, the surface of the first threaded column 6 is in threaded connection with a first threaded tube 10, the surface of the second threaded column 7 is in threaded connection with another group of first threaded tubes 10, the surface of the first threaded tubes 10 is fixedly connected with a connecting plate 11, the upper surface fixedly connected with backup pad 12 of connecting plate 11, backup pad 12 surface is provided with slewing mechanism 13, slewing mechanism 13 includes third bearing 1301, third bearing 1301 wears to establish on backup pad 12 surface, wear to be equipped with third pivot 1302 in the third bearing 1301, third pivot 1302 one end fixedly connected with carousel 1303, backup pad 12 surface fixedly connected with fixed block 1304, fixed block 1304 surface fixedly connected with sleeve 1305, wear to establish the limit inserted bar 1306 in the sleeve 1305, first spacing groove 1307 has been seted up on sleeve 1305 surface, hanging groove 1308 has been seted up on sleeve 1305 surface, spacing inserted bar 1306 surface passes hanging groove 1308 fixedly connected with driving lever 1309, locating hole 1310 has been seted up to carousel 1303 surface correspondence spacing inserted bar 1306, the fixed fixture 14 of other end fixedly connected with of third pivot 1302.

Through adopting above-mentioned technical scheme, this auxiliary device is used in processing, through setting up third bearing 1301, third pivot 1302, carousel 1303, spacing inserted bar 1306 and locating hole 1310, when the grinding face of conversion work piece, drive the rotation of third pivot 1302 in third bearing 1301 through rotating carousel 1303, thereby drive the fixed fixture 14 rotation of the other end of third pivot 1302 is used for centre gripping work piece, after the work piece rotates to the suitable position, rotate the driving lever 1309 and make driving lever 1309 get into first spacing groove 1307 from hanging groove 1308, driving lever 1309 and spacing inserted bar 1306 fall to first spacing groove 1307 bottom under the action of gravity, simultaneously spacing inserted bar 1306 lower extreme gets into the corresponding spacing hole on carousel 1303 surface, thereby restriction carousel 1303 rotates, the grinding face of people conversion work piece has been made things convenient for.

Specifically, the fixed clamping mechanism 14 comprises a clamping frame 1401, the clamping frame 1401 is fixedly connected to the other end of the third rotating shaft 1302, a mounting groove 1402 is formed in the surface of the clamping frame 1401, a first pin 1403 is fixedly connected to the inner wall of the mounting groove 1402, a first link 1404 is fixedly connected to the surface of the first pin 1403, two groups of first links 1404 are symmetrically arranged on the surface of the first pin 1403, a second pin 1405 is fixedly connected to the other end of the first link 1404, a clamping arm 1406 is rotatably connected to the surface of the second pin 1405, a third pin 1407 is rotatably connected to the surface of the clamping arm 1406, a second link 1408 is fixedly connected to the surface of the third pin 1407, a fourth pin 1409 is fixedly connected to the inner wall of the mounting groove 1402, the other end of the second link 1408 is rotatably connected to the surface of the fourth pin 1409, two groups of the second link 1408 are symmetrically arranged on the surface of the fourth pin 1409, a clamping block 1410 is fixedly connected to the other end of the clamping arm 1406, a long gear 1411 is fixedly connected to the surface of the first pin shaft 1403, a transmission bin 1412 is arranged in the clamping frame 1401, a fifth bearing 1413 is arranged on the inner wall of the transmission bin 1412 in a penetrating manner, a fifth rotating shaft 1414 is arranged in the fifth bearing 1413 in a penetrating manner, a second adjusting knob 1415 is fixedly connected to the upper end of the fifth rotating shaft 1414, a driving bevel gear 1416 is fixedly connected to the lower end of the fifth rotating shaft 1414, a sixth bearing 1417 is fixedly connected to the inner wall of the transmission bin 1412, a sixth rotating shaft 1418 is arranged in the sixth bearing 1417 in a penetrating manner, a driven bevel gear 1419 is fixedly connected to the surface of the sixth rotating shaft 1418, the driven bevel gear 1419 is meshed with the driving bevel gear 1416, a third threaded column 1420 is fixedly connected to the other end of the sixth rotating shaft 1418, a double-sided rack 1421 is arranged in the mounting groove 1402, a limiting block 1422 is fixedly connected to the side surface of the double-sided rack 1421, a second limiting groove 1423 is arranged on the inner wall of the mounting groove 1402, the double-sided rack 1421 is slidably connected to the second limiting groove 1423, the surface of the double-sided rack 1421 is provided with a second threaded pipe 1424, and the other end of the third threaded post 1420 is in threaded connection with the second threaded pipe 1424.

Through adopting the technical scheme, this auxiliary device for processing, through setting up second adjust knob 1415, initiative bevel gear 1416, driven bevel gear 1419, third screw thread post 1420, second screwed pipe 1424, two-sided rack 1421 and long gear 1411, when fixing different thickness work pieces, people first rotate second adjust knob 1415 to drive fifth pivot 1414 and initiative bevel gear 1416 rotation, initiative bevel gear 1416 drives driven bevel gear 1419, sixth pivot 1418 and third screw thread post 1420 rotation, under the mutually supporting of third screw thread post 1420 and second screwed pipe 1424, second screwed pipe 1424 drives two-sided rack 1421 and removes, under two sets of long gear 1411 cooperation simultaneously with two-sided rack 1421, long gear 1411 drives first round pin axle 1406 and first connecting rod 1404 rotation, simultaneously second connecting rod 1408 synchronous rotation, two sets of first connecting rod 1404 and second connecting rod 1408 drive a set of centre gripping arm 1410 respectively and centre gripping piece 1410 and are close to each other or keep away from, the people is fixed to different thickness work pieces has been made things convenient for.

Specifically, the hanging groove 1308 communicates with the first limiting groove 1307 and has a uniform width.

Specifically, the positioning holes 1310 are arranged on the surface of the turntable 1303 in an annular arrangement.

Specifically, the surface of the clamping block 1410 is fixedly connected with an anti-slip rubber pad.

Specifically, the limiting block 1422 and the second limiting groove 1423 have two groups, and are symmetrically disposed on the side surface of the double-sided rack 1421.

Specifically, the bottom of the workbench 1 is fixedly connected with a fixed box 15.

The working principle of the utility model is as follows: when in use, people rotate the first adjusting knob 5 to drive the first bearing 3, the first threaded column 6 and the second threaded column 7 to rotate, the first threaded column 6 and the second threaded column 7 respectively drive a group of first threaded pipes 10 to rotate, and the two groups of first threaded pipes 10 respectively drive a group of connecting plates 11 and supporting plates 12 to move in opposite directions or in opposite directions, so that when people clamp workpieces, the device is convenient for people to adapt to workpieces with different widths, and fix workpieces with different thicknesses, people firstly rotate the second adjusting knob 1415, thereby driving the fifth rotating shaft 1414 and the driving bevel gear 1416 to rotate, the driving bevel gear 1416 drives the driven bevel gear 1419, the sixth rotating shaft 1418 and the third threaded column 1420 to rotate, under the mutual cooperation of the third threaded column 1420 and the second threaded pipe 1424, the second threaded pipe 1424 drives the double-sided rack 1421 to move, under the cooperation of the double-sided rack 1421 and the two groups of long gears 1411, the long gear 1411 drives the first pin 1403 and the first link 1404 to rotate, and simultaneously the second link 1408 rotates synchronously, and the two groups of the first link 1404 and the second link 1408 drive the group of clamping arms 1406 and the clamping blocks 1410 to get close to or far away from each other, so that people can conveniently fix workpieces with different thicknesses, when the grinding surfaces of the workpieces are converted, the rotating turntable 1303 drives the third rotating shaft 1302 to rotate in the third bearing 1301, so as to drive the clamping mechanism 14 at the other end of the third rotating shaft 1302 for clamping the workpieces to rotate, when the workpieces rotate to a proper position, the shifting lever 1309 rotates to enable the shifting lever 1309 to enter the first limiting groove 1307 from the hanging groove 1308, the shifting lever 1309 and the limiting insert rod 1306 fall to the bottom of the first limiting groove 1307 under the action of gravity, and simultaneously the lower end of the limiting insert rod 1306 enters the corresponding limiting hole on the surface of the turntable 1303, so that the rotation of the turntable 1303 is limited, the grinding surfaces of the workpieces are conveniently converted by people, the device can diversely adjust, when processing the work piece, can provide more facility for operating personnel, and the practicality is stronger.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

Claims

1. Auxiliary device is used in processing, including workstation (1) and drive slot (2), its characterized in that: the transmission groove (2) is formed in the upper surface of the workbench (1), a first bearing (3) is arranged on the inner wall of the transmission groove (2) in a penetrating manner, a first rotating shaft (4) is arranged in the first bearing (3), one end of the first rotating shaft (4) is fixedly connected with a first adjusting knob (5), the other end of the first rotating shaft (4) is fixedly connected with a first threaded column (6), the other end of the first threaded column (6) is fixedly connected with a second threaded column (7), the other end of the second threaded column (7) is fixedly connected with a second rotating shaft (8), a second bearing (9) is fixedly connected with the inner wall of the transmission groove (2), the other end of the second rotating shaft (8) is arranged in the second bearing (9) in a penetrating manner, the surface of the first threaded column (6) is connected with a first threaded tube (10), the surface of the second threaded column (7) is connected with another group of first threaded tubes (10) in a threaded manner, the surface of the first threaded tubes (10) is fixedly connected with a connecting plate (11), the upper surface of the connecting plate (11) is fixedly connected with a second threaded column (7), the inner wall of the second threaded column (2) is fixedly connected with a second bearing (9), the second bearing (9) is fixedly connected with the second bearing (9), the second bearing (9) and the bearing mechanism (1301) is arranged on the surface of the third bearing mechanism (1301), the novel rotary shaft structure is characterized in that a third rotating shaft (1302) is arranged in the third bearing (1301) in a penetrating mode, one end of the third rotating shaft (1302) is fixedly connected with a rotary table (1303), a fixing block (1304) is fixedly connected with the surface of the supporting plate (12), a sleeve (1305) is fixedly connected with the surface of the fixing block (1304), a limiting insert rod (1306) is arranged in the sleeve (1305) in a penetrating mode, a first limiting groove (1307) is formed in the surface of the sleeve (1305), a hanging groove (1308) is formed in the surface of the sleeve (1305), a deflector rod (1309) is fixedly connected with the surface of the limiting insert rod (1306) in a penetrating mode, a positioning hole (1310) is formed in the surface of the rotary table (1303) corresponding to the limiting insert rod (1306), and a fixing clamping mechanism (14) is fixedly connected with the other end of the third rotating shaft (1302).

2. A processing aid according to claim 1, characterized in that: the fixed clamping mechanism (14) comprises a clamping frame (1401), the clamping frame (1401) is fixedly connected with the other end of a third rotating shaft (1302), a mounting groove (1402) is formed in the surface of the clamping frame (1401), a first pin shaft (1403) is fixedly connected to the inner wall of the mounting groove (1402), a first connecting rod (1404) is fixedly connected to the surface of the first pin shaft (1403), two groups of first connecting rods (1404) are symmetrically arranged on the surface of the first pin shaft (1403), a second pin shaft (1405) is fixedly connected to the other end of the first connecting rod (1404), a clamping arm (1406) is rotatably connected to the surface of the second pin shaft (1405), a third pin shaft (1407) is rotatably connected to the surface of the clamping arm (1406), a fourth pin shaft (1409) is fixedly connected to the inner wall of the mounting groove (1402), the other end of the second connecting rod (1408) is rotatably connected to the surface of the fourth pin shaft (1409), two groups of second connecting rods (1409) are symmetrically arranged on the surface of the first pin shaft (1403), a transmission bin (1412) is fixedly connected to the surface of the clamping frame (1406), the novel double-sided transmission device is characterized in that a fifth bearing (1413) is arranged on the inner wall of the transmission bin (1412) in a penetrating manner, a fifth rotating shaft (1414) is arranged in the fifth bearing (1413) in a penetrating manner, a second adjusting knob (1415) is fixedly connected to the upper end of the fifth rotating shaft (1414), a driving bevel gear (1416) is fixedly connected to the lower end of the fifth rotating shaft (1414), a sixth bearing (1417) is fixedly connected to the inner wall of the transmission bin (1412), a driven bevel gear (1419) is arranged in the sixth bearing (1417) in a penetrating manner, the driven bevel gear (1419) is meshed with the driving bevel gear (1416) in a surface fixedly connected manner, a third threaded column (1420) is fixedly connected to the other end of the driven bevel gear (1418), a double-sided rack (1421) is arranged in the installation groove (1402), a second limiting groove (1423) is formed in the inner wall of the transmission bin (1412), the limiting block (1422) is slidably connected to the second bearing (1417), a second threaded column (1423) is meshed with the other end (1421) of the second threaded column (1424), and the other end (1424) is meshed with the third threaded column (1426) in a threaded manner.

3. A processing aid according to claim 1, characterized in that: the hanging groove (1308) is communicated with the first limiting groove (1307) and has the same width.

4. A processing aid according to claim 1, characterized in that: the positioning holes (1310) are arranged on the surface of the turntable (1303) in an annular arrangement.

5. A processing aid according to claim 2, characterized in that: and the surface of the clamping block (1410) is fixedly connected with an anti-slip rubber pad.

6. A processing aid according to claim 2, characterized in that: the limiting blocks (1422) and the second limiting grooves (1423) are two groups in total and are symmetrically arranged on the side surfaces of the double-sided racks (1421).

7. A processing aid according to claim 1, characterized in that: the bottom of the workbench (1) is fixedly connected with a fixed box (15).