CN118951958A

CN118951958A - A grinding device for gear shaft production

Info

Publication number: CN118951958A
Application number: CN202411078630.0A
Authority: CN
Inventors: 谢德兴; 杨殿才; 居海凤; 袁燕
Original assignee: Yangzhou Minghe Power Technology Co ltd
Current assignee: Yangzhou Minghe Power Technology Co ltd
Priority date: 2024-08-07
Filing date: 2024-08-07
Publication date: 2024-11-15

Abstract

The present invention relates to the technical field of gear shaft production, and discloses a grinding device for gear shaft production, comprising a working base, two sides of the top of the working base are fixedly connected with a rotating clamping machine, the side of the working base is fixedly connected with a grinding machine, both sides of the center of the top of the working base are movably connected with a feeding mechanism, the sides of two fixed plates away from the rotating clamping machine are fixedly connected with a positioning mechanism, and the sides of the two feeding mechanisms away from each other are movably connected with a limiting mechanism; when the gear shaft to be processed of the present invention is sent to the upper side by the feeding mechanism, the strong magnetic plate drives the replacement component to move downward under the action of the magnetic attraction force, and the two replacement components press down the two sides of the limit arc plate when moving downward, thereby ensuring the horizontal position of the gear shaft to be processed itself, the rotating clamping machine clamps the two sides of the gear shaft to be processed to make it in a horizontal position, thereby improving efficiency, and the feeding mechanism and the strong magnetic plate are reset after clamping, so as to facilitate the rotating clamping machine to drive the gear shaft to be processed to move.

Description

Grinding device is used in tooth axle production

Technical Field

The invention relates to the technical field of gear shaft production, in particular to a polishing device for gear shaft production.

Background

The gear shaft is a gear shaft, the gear shaft is a mechanical part which supports and rotates together with a rotating part to transmit motion, torque or bending moment, the gear shaft is generally in a metal round bar shape, each section can have different diameters, the parts which do rotary motion in the machine are arranged on the shaft, the gear shaft can be divided into a crank shaft and a straight shaft according to different shapes of the shaft lines, an output shaft of a motor is often connected with the gear shaft, and therefore the motor can directly drive the gear shaft to rotate so as to drive;

When the gear shaft is processed, firstly, heat treatment tempering is carried out, the mechanical property of the material is improved, the wear resistance and toughness of the gear shaft teeth are improved, then, the two end faces and the outer circle of the gear shaft are polished, the appearance and the precision of the gear shaft after processing are ensured, gear hobbing is carried out, the gear part of the gear shaft teeth is processed, finally, the gear shaft is trimmed, the size of the gear shaft when leaving a factory is ensured, and the whole processing production flow of the gear shaft is completed after the trimmed gear shaft is detected without errors;

When the gear shaft is polished, two sides of the gear shaft are required to be fixed, and then the gear shaft is driven to rotate, so that the machining work is finished, but when the gear shaft is fixed, the horizontal position of the gear shaft is required to be measured, so that the problem of machining errors caused by inclination is avoided, but when the gear shaft is measured, more time is required to be wasted, and the overall machining efficiency is reduced;

Before and after carrying out the processing of tooth axle, need carry out material loading and unloading to the tooth axle, and the weight of tooth axle self is great, and consequently it is comparatively laborious to go up the unloading process to when going on the unloading, need place it in fixture, if it just comparatively inclines by oneself at the stage of placing, when the centre gripping, the size that needs to adjust this moment is more, consequently can bring inconvenience to the whole process of polishing of tooth axle.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, embodiments of the present invention provide a polishing device for producing a gear shaft, so as to solve the technical problems set forth in the background art.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a grinding device is used in tooth axle production, includes the work base station, the both sides fixedly connected with in work base station top rotate the centre gripping board, the side fixedly connected with polisher platform of work base station, the both sides at work base station top center all swing joint has feed mechanism, waiting to process the tooth axle has been placed on feed mechanism's top, two the side that rotates the centre gripping board and be close to all fixedly connected with fixed plate, two the fixed plate keeps away from the side that rotates the centre gripping board and all fixedly connected with positioning mechanism, two the side that feed mechanism kept away from all swing joint has stop gear;

The two feeding mechanisms comprise servo motors capable of providing power, the top ends of the servo motors are fixedly connected with output screws, the side surfaces of the output screws are in threaded connection with lifting blocks, the top ends of the lifting blocks are fixedly connected with arc placing plates, and tooth shafts to be processed are placed in grooves for placing the arc plates;

the positioning mechanism comprises a limiting arc plate which can be matched with a tooth shaft to be processed, two sides of the limiting arc plate are fixedly connected with replacement components, the bottom end of each replacement component is fixedly connected with a ferromagnetic plate, and the arc plate is made of iron.

In a preferred embodiment, the bottom end of the limiting mechanism far away from the side surface of the feeding mechanism is provided with a gas groove, the side surface of the gas groove is fixedly connected with a gas pipe, the gas outlet hole of the gas pipe points to the two sides of the tooth shaft to be processed, and when the positioning mechanism moves, the gas outlet of the gas pipe is not contacted with the bottom end of the positioning mechanism.

In a preferred embodiment, the bottom fixedly connected with connecting plate of lifting block, the side swing joint of lifting block and connecting plate has spacing frame, the inside fixed connection of side and work base platform of spacing frame, the clearance groove that can supply the lifting block to remove is seted up on the top of spacing frame.

In a preferred embodiment, the top fixedly connected with of changing the subassembly removes the L board, remove the inboard bottom fixedly connected with gag lever post of L board, the bottom swing joint of gag lever post has a limit sleeve, limit sleeve's bottom fixedly connected with connects the L board, limit sleeve's side is equipped with the spring.

In a preferred embodiment, the top end of the spring is in contact with the top end inside the movable L plate, and the bottom end of the spring is in contact with the bottom end inside the limit sleeve, the bottom end of the connecting L plate is separated from the top end of the replacement assembly, and the side surface of the connecting L plate is fixedly connected with the side surface of the tooth shaft to be machined.

In a preferred embodiment, the limiting mechanism comprises a synchronous belt which rotates synchronously with the output screw, a connecting gear is meshed with the middle of the synchronous belt, a first bevel gear is fixedly connected to the top end of the connecting gear, a second bevel gear is meshed with the side face of the first bevel gear, a rotating screw is fixedly connected to the side face, away from the first bevel gear, of the second bevel gear, and a limiting plate is connected to the side face of the rotating screw in a threaded mode.

In a preferred embodiment, the limiting plate is provided with an inclined plane near the top end of the side surface of the first bevel gear, the side surface of the rotating screw far away from the rotating screw is fixedly connected with a rotating blade, and the synchronous belt and the connecting gear are positioned in the supporting frame.

In a preferred embodiment, the replacement assembly comprises connecting blocks fixedly connected with two sides of the limiting arc plate, supporting blocks are movably connected with the side faces of the connecting blocks away from the limiting arc plate, limiting grooves matched with the connecting blocks are formed in the side faces of the supporting blocks close to the connecting blocks, threaded rods are connected with the connecting blocks and the supporting blocks in a threaded mode, and hand wheels are fixedly connected with the side faces of the threaded rods away from the limiting arc plate.

The invention has the technical effects and advantages that:

1. When the tooth shaft to be processed is sent to the upper part through the feeding mechanism, the strong magnetic plate drives the replacement assemblies to move downwards under the action of magnetic attraction, and the two replacement assemblies downwards press the two sides of the limiting arc plate, so that the horizontal position of the tooth shaft to be processed is ensured, the two sides of the tooth shaft to be processed are clamped by the rotary clamping machine table at the moment, the tooth shaft to be processed is positioned at the horizontal position, the efficiency is improved, the feeding mechanism and the strong magnetic plate are reset after clamping, and the rotary clamping machine table is kept away, so that the rotary clamping machine table can conveniently drive the tooth shaft to be processed to move;

2. When the servo motor drives the lifting block to move upwards through the output screw rod, the lifting block drives the tooth shaft to be processed to move upwards through the placing arc plate at the moment, and the servo motor can drive the output screw rod to rotate reversely, so that the placing arc plate is driven to move downwards, and therefore feeding and discharging of the tooth shaft to be processed are automatically performed, the working intensity is reduced, the tooth shaft to be processed is placed in the placing arc plate, position adjustment is not needed, and the overall working efficiency is improved;

3. According to the invention, the output screw is driven to rotate by the servo motor, the synchronous belt is synchronously driven to rotate at the moment, the first bevel gear drives the second bevel gear to rotate, the limiting plates are driven to move by the rotating screw to move when the second bevel gear rotates, at the moment, the two limiting plates move inwards to adjust the position of the tooth shaft to be processed, the rotating screw drives the rotating blade to rotate, and the gas generated when the rotating blade rotates is blown onto the tooth shaft to be processed through the gas pipe, so that the surface of the tooth shaft to be processed is cleaned, and the processing quality of the tooth shaft to be processed is ensured.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is a schematic view of the structure above the working base of the present invention.

FIG. 3 is a schematic cross-sectional view of a work bench according to the present invention.

Fig. 4 is a schematic view of the structure of the working base of the present invention with the work base removed.

Fig. 5 is a schematic cross-sectional structure of a feeding mechanism according to the present invention.

Fig. 6 is an exploded view of the positioning mechanism of the present invention.

Fig. 7 is a schematic diagram of the whole structure of the limiting mechanism of the present invention.

Fig. 8 is a schematic diagram of an explosive structure according to the present invention.

Fig. 9 is a schematic diagram of a replacement assembly according to the present invention.

Fig. 10 is a diagram showing a different spacing arc plate of the present invention.

The reference numerals are: 1. a work base; 2. a sander stand; 3. rotating the clamping machine table; 4. a feeding mechanism; 401. a servo motor; 402. an output screw; 403. a lifting block; 404. a connecting plate; 405. placing an arc plate; 406. a limit outer frame; 5. a positioning mechanism; 501. connecting an L plate; 502. a limit sleeve; 503. a limit rod; 504. a spring; 505. moving the L plate; 506. replacing the assembly; 5061. a connecting block; 5062. a support block; 5063. a threaded rod; 5064. a hand wheel; 507. a strong magnetic plate; 508. limiting arc plates; 6. a limiting mechanism; 601. a support frame; 602. a synchronous belt; 603. a connecting gear; 604. a first bevel gear; 605. a second bevel gear; 606. rotating the screw; 607. rotating the blade; 608. a limiting plate; 7. a gas pipe; 8. a tooth shaft to be processed; 9. and a fixing plate.

Detailed Description

The present invention will be described more fully with reference to the accompanying drawings, in which the configurations of the present invention are shown by way of example only, and the polishing apparatus for producing a tooth shaft according to the present invention is not limited to the configurations shown in the following embodiments, but all other embodiments obtained by a person skilled in the art without any inventive work are within the scope of the present invention.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the invention provides a polishing device for tooth shaft production, which comprises a working base table 1, wherein two sides of the top end of the working base table 1 are fixedly connected with a rotary clamping machine table 3, the side surface of the working base table 1 is fixedly connected with a polishing machine table 2, two sides of the center of the top end of the working base table 1 are both movably connected with a feeding mechanism 4, a tooth shaft 8 to be processed is placed at the top end of the feeding mechanism 4, two sides of the rotary clamping machine table 3, which are close to each other, are both fixedly connected with a fixing plate 9, two fixing plates 9, which are far away from the side surface of the rotary clamping machine table 3, are both fixedly connected with a positioning mechanism 5, two sides of the two feeding mechanisms 4, which are far away from each other, are both movably connected with a limiting mechanism 6, the bottom end of the limiting mechanism 6, which is far away from the side surface of the feeding mechanism 4, is provided with a gas groove, the side surface of the gas groove is fixedly connected with a gas pipe 7, the hole of the gas pipe 7 points to two sides of the tooth shaft 8 to be processed, and when the positioning mechanism 5 moves, the gas outlet of the gas pipe 7 is not contacted with the bottom end of the positioning mechanism 5.

In the embodiment of the application, gas is generated when the limiting mechanism 6 runs, the gas generated by the limiting mechanism 6 can be blown onto the tooth shaft 8 to be processed through the gas pipe 7, so that the tooth shaft 8 to be processed is cleaned, the polished quality is higher, in addition, the gas outlet of the gas pipe 7 is not contacted with the bottom end of the positioning mechanism 5, the damage to the gas pipe 7 is avoided, as shown in fig. 4, the gas outlet of the gas pipe 7 is provided with a filter screen, the waste generated after polishing is avoided, in addition, when the polishing machine table 2 and the rotary clamping machine table 3 work, the polishing machine table 2 can move to polish through a polishing grinding wheel, the rotary clamping machine table 3 can clamp two sides of the tooth shaft 8 to be processed, and the tooth shaft 8 to be processed is driven to move, so that the processing precision is ensured, and the running of the polishing machine table 2 and the rotary clamping machine table 3 is a conventional technical means in the field, and the application does not limit the structure in detail.

Referring to fig. 5, two feeding mechanisms 4 each include a servo motor 401 capable of providing power, the top end of the servo motor 401 is fixedly connected with an output screw 402, a lifting block 403 is connected to the side surface of the output screw 402 in a threaded manner, an arc plate 405 is placed on the top end of the lifting block 403 in a fixedly connected manner, a tooth shaft 8 to be processed is placed in a groove for placing the arc plate 405, a connecting plate 404 is fixedly connected to the bottom end of the lifting block 403, a limit outer frame 406 is movably connected to the side surfaces of the lifting block 403 and the connecting plate 404, a limit outer frame 406 is fixedly connected to the inside of the workbench 1, and a clearance groove capable of being used for moving the lifting block 403 is formed in the top end of the limit outer frame 406.

In the embodiment of the application, when the output screw 402 rotates, the lifting block 403 and the placing arc plate 405 are driven to move upwards, and when the tooth shaft 8 to be processed is placed in the groove for placing the arc plate 405, the tooth shaft 8 to be processed is positioned in the center of the placing arc plate 405, so that the tooth shaft 8 to be processed is matched with the positioning mechanism 5 above, the lifting block 403 is connected with the connecting plate 404, and the lifting block 403 and the connecting plate 404 move in the limiting outer frame 406, so that the stability of the tooth shaft 8 to be processed is ensured during the movement, the tooth shaft 8 to be processed can be stably moved, and the two placing arc plates 405 lift the tooth shaft 8 to be processed, so that the gear at the center of the tooth shaft 8 to be processed is not influenced, and the integral feeding work is facilitated.

Referring to fig. 4 and 6, the positioning mechanism 5 includes a limiting arc plate 508 that can adapt to the tooth shaft 8 to be processed, both sides of the limiting arc plate 508 are fixedly connected with a replacement component 506, a bottom end fixedly connected with ferromagnetic plate 507 of the replacement component 506, a ferrous material of the arc plate 405 is placed, a top end fixedly connected with of the replacement component 506 moves an L plate 505, a bottom end fixedly connected with of an inner side of the L plate 505 is provided with a limiting rod 503, a bottom end movably connected with a limiting sleeve 502 of the limiting rod 503, a bottom end fixedly connected with of the limiting sleeve 502 is connected with an L plate 501, a side surface of the limiting sleeve 502 is provided with a spring 504, a top end of the spring 504 is contacted with a top end of an inner portion of the moving L plate 505, a bottom end of the spring 504 is contacted with a bottom end of the limiting sleeve 502, a bottom end of the connecting L plate 501 is mutually separated from a top end of the replacement component 506, and a side surface of the connecting L plate 501 is fixedly connected with a side surface of the tooth shaft 8 to be processed.

In the embodiment of the application, when the placing arc plate 405 moves below the strong magnetic plate 507, since the placing arc plate 405 is made of iron material, magnetic attraction force is generated between the strong magnetic plate 507 and the placing arc plate 405, the strong magnetic plate 507 drives the limiting arc plate 508 to move downwards, two sides of the tooth shaft 8 to be processed are fixed to keep the horizontal position when moving downwards, the rotating clamping machine 3 can directly fix the tooth shaft to be processed, polishing precision is ensured, after the rotating clamping machine 3 is fixed, the placing arc plate 405 descends, when the strong magnetic plate 507 wants to continuously descend, the moving L plate 505 contacts with the limiting sleeve 502, thereby limiting the moving L plate 505, the placing arc plate 405 and the strong magnetic plate 507 are separated, and after separation, the originally compressed spring 504 is reset, thereby driving the limiting arc plate 508 to move upwards, the limiting arc plate 508 and the placing arc plate 405 are separated from each other, and the rotating clamping machine 3 is convenient to process.

Referring to fig. 7 and 8, the limiting mechanism 6 includes a synchronous belt 602 synchronously rotating with the output screw 402, a connecting gear 603 is meshed with the middle of the synchronous belt 602, a first bevel gear 604 is fixedly connected to the top end of the connecting gear 603, a second bevel gear 605 is meshed with the side surface of the first bevel gear 604, a rotating screw 606 is fixedly connected to the side surface of the second bevel gear 605 away from the first bevel gear 604, a limiting plate 608 is in threaded connection with the side surface of the rotating screw 606, an inclined surface is formed in the top end, close to the side surface of the first bevel gear 604, of the limiting plate 608, a rotating blade 607 is fixedly connected to the side surface, away from the rotating screw 606, of the synchronous belt 602 and the connecting gear 603, located in the supporting frame 601.

In the embodiment of the application, the output screw 402 drives the synchronous belt 602 to rotate, so that the second bevel gear 605 rotates synchronously, the second bevel gear 605 drives the rotating screw 606 and the rotating blade 607 to rotate, the rotating screw 606 drives the limiting plates 608 to move inwards when rotating, the number of the limiting plates 608 is two, and the limiting plates are arranged at two sides of the tooth shaft 8 to be processed, so that the tooth shaft 8 to be processed is extruded inwards, the position precision of the tooth shaft 8 to be processed is ensured, and the gas generated when the rotating blade 607 rotates is discharged from the gas pipe 7.

Referring to fig. 9 and 10, the replacing assembly 506 includes a connecting block 5061 fixedly connected to two sides of a limiting arc plate 508, a supporting block 5062 movably connected to a side surface of the connecting block 5061 away from the limiting arc plate 508, a limiting groove adapted to the connecting block 5061 is formed in a side surface of the supporting block 5062 close to the connecting block 5061, threaded rods 5063 are connected to inner portions of the connecting block 5061 and the supporting block 5062 in a threaded manner, and a hand wheel 5064 is fixedly connected to a side surface of the threaded rod 5063 away from the limiting arc plate 508.

In the embodiment of the application, when the sizes of the tooth shafts 8 to be processed are different, the hand wheel 5064 is rotated at this time, the hand wheel 5064 drives the threaded rod 5063 to rotate, after the threaded rod 5063 rotates out of the connecting block 5061, the connecting block 5061 and the limiting arc plate 508 can be taken down at this time, a new connecting block 5061 and the limiting arc plate 508 are put in, and the grinding work of different tooth shafts 8 to be processed is realized through fixing the threaded rod 5063, and fig. 10 shows part of the limiting arc plates 508 with different sizes.

The working principle of the invention is as follows: placing the tooth shaft 8 to be processed on the placing arc plate 405, starting the servo motor 401 to drive the output screw 402 to rotate, driving the placing arc plate 405 to move upwards through the lifting block 403 when the output screw 402 rotates, driving the tooth shaft 8 to be processed to move upwards by the placing arc plate 405, and generating magnetic force between the strong magnetic plate 507 and the placing arc plate 405 when the placing arc plate 405 drives the tooth shaft 8 to be processed to move below the limiting arc plate 508, so that the strong magnetic plate 507 drives the limiting arc plate 508 to move downwards, and the limiting arc plates 508 on two sides of the tooth shaft 8 to be processed move downwards to fix the position of the tooth shaft 8 to be processed;

When the strong magnetic plate 507 moves downwards, the movable L plate 505 is driven to move downwards and compress the spring 504, after the tooth shaft 8 to be machined is fixed, the rotary clamping machine tables 3 at two sides move towards the middle, two ends of the tooth shaft 8 to be machined are clamped, after clamping, the placing arc plate 405 moves downwards to leave the limiting arc plate 508, so that the magnetic attraction between the limiting arc plate 508 and the placing arc plate 405 disappears, the spring 504 resets and enables the limiting arc plate 508 to move upwards, the rotary clamping machine table 3 drives the tooth shaft 8 to be machined to rotate and move left and right, the limiting arc plate 508 and the placing arc plate 405 cannot block the rotary clamping machine table 3, and when the rotary clamping machine table 3 drives the tooth shaft 8 to be machined to rotate and move, the grinding machine table 2 grinds the tooth shaft 8 to be machined;

When the lifting block 403 moves upwards, the output screw 402 drives the synchronous belt 602 to rotate, the synchronous belt 602 drives the connecting gear 603 to rotate when rotating, the connecting gear 603 drives the second conical gear 605 to synchronously rotate through the first conical gear 604 when rotating, the second conical gear 605 drives the rotating screw 606 and the rotating blade 607 to rotate, the rotating screw 606 drives the limiting plates 608 to move inwards when rotating, the number of the limiting plates 608 is two, and the limiting plates are arranged on two sides of the tooth shaft 8 to be machined, so that the tooth shaft 8 to be machined is inwards extruded, and the position of the tooth shaft 8 to be machined is ensured, namely the limiting arc plates 508 can limit the two sides of the tooth shaft 8 to be machined when moving downwards;

And when turning vane 607 rotates produced gas can blow to wait to process on the tooth axle 8 through gas pipe 7, clean before waiting to process tooth axle 8 and polish, guarantee its effect of polishing, rotatable hand wheel 5064, drive supporting shoe 5062 rotation when hand wheel 5064 rotates, supporting shoe 5062 rotates in connecting block 5061 this moment, removable connecting block 5061 and spacing arc board 508 this moment, change spacing arc board 508 of equidimension, with waiting to process tooth axle 8 of equidimension and carry out the adaptation.

Finally: the foregoing is only illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the invention, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present invention.

Claims

1. Grinding device is used in tooth axle production, including work base (1), its characterized in that: the automatic grinding machine comprises a workbench (1), a grinding machine table (2) and a feeding mechanism (4), wherein two sides of the top end of the workbench (1) are fixedly connected with a rotary clamping machine table (3), the side surface of the workbench (1) is fixedly connected with the grinding machine table (2), two sides of the center of the top end of the workbench (1) are movably connected with the feeding mechanism (4), a tooth shaft (8) to be processed is placed at the top end of the feeding mechanism (4), two side surfaces, close to the rotary clamping machine table (3), of the workbench are fixedly connected with a fixed plate (9), two side surfaces, far away from the rotary clamping machine table (3), of the fixed plate (9) are fixedly connected with a positioning mechanism (5), and two side surfaces, far away from the feeding mechanism (4), of the workbench are movably connected with a limiting mechanism (6);

the two feeding mechanisms (4) comprise servo motors (401) capable of providing power, the top ends of the servo motors (401) are fixedly connected with output screws (402), the side surfaces of the output screws (402) are in threaded connection with lifting blocks (403), the top ends of the lifting blocks (403) are fixedly connected with arc placing plates (405), and tooth shafts (8) to be processed are placed in grooves for placing the arc plates (405);

The positioning mechanism (5) comprises a limiting arc plate (508) which can be matched with a gear shaft (8) to be machined, two sides of the limiting arc plate (508) are fixedly connected with a replacement assembly (506), the bottom end of the replacement assembly (506) is fixedly connected with a strong magnetic plate (507), and the arc plate (405) is placed and made of iron materials.

2. The polishing device for gear shaft production according to claim 1, wherein: the limiting mechanism (6) is far away from the bottom of the side face of the feeding mechanism (4) and is provided with a gas groove, the side face of the gas groove is fixedly connected with a gas pipe (7), the gas outlet hole of the gas pipe (7) points to the two sides of the tooth shaft (8) to be processed, and when the positioning mechanism (5) moves, the gas outlet of the gas pipe (7) is not contacted with the bottom of the positioning mechanism (5).

3. The polishing device for gear shaft production according to claim 1, wherein: the lifting device is characterized in that a connecting plate (404) is fixedly connected to the bottom end of the lifting block (403), a limiting outer frame (406) is movably connected to the side faces of the lifting block (403) and the connecting plate (404), the side faces of the limiting outer frame (406) are fixedly connected with the inside of the working base table (1), and a clearance groove for the lifting block (403) to move is formed in the top end of the limiting outer frame (406).

4. The polishing device for gear shaft production according to claim 1, wherein: the top fixedly connected with who changes subassembly (506) removes L board (505), remove L inboard bottom fixedly connected with gag lever post (503) of board (505), the bottom swing joint of gag lever post (503) has spacing sleeve (502), the bottom fixedly connected with of spacing sleeve (502) connects L board (501), the side of spacing sleeve (502) is equipped with spring (504).

5. The polishing device for gear shaft production according to claim 4, wherein: the top of spring (504) and the top of removing L board (505) inside contact, just the bottom of spring (504) and the inside bottom of spacing sleeve (502) contact, the bottom of connecting L board (501) and the top of changing subassembly (506) are separated each other, the side of connecting L board (501) and the side fixed connection of waiting to process tooth axle (8).

6. The polishing device for gear shaft production according to claim 1, wherein: stop gear (6) include with output screw rod (402) synchronous pivoted hold-in range (602), the middle part meshing of hold-in range (602) has connecting gear (603), the top fixedly connected with first awl tooth (604) of connecting gear (603), the side meshing of first awl tooth (604) has second awl tooth (605), the side fixedly connected with rotation screw rod (606) of first awl tooth (604) are kept away from to second awl tooth (605), the side threaded connection of rotation screw rod (606) has limiting plate (608).

7. The grinding device for gear shaft production according to claim 6, wherein: the limiting plate (608) is close to the top of the side face of the first bevel gear (604) and is provided with an inclined plane, the side face of the rotating screw (606) away from the rotating screw (606) is fixedly connected with a rotating blade (607), and the synchronous belt (602) and the connecting gear (603) are located in the supporting frame (601).

8. The polishing device for gear shaft production according to claim 1, wherein: the utility model discloses a change subassembly (506) including with the equal fixedly connected with connecting block (5061) in both sides of spacing arc board (508), the side swing joint that spacing arc board (508) was kept away from to connecting block (5061) has supporting shoe (5062), supporting shoe (5062) are close to the side of connecting block (5061) and have been seted up the spacing groove with connecting block (5061) looks adaptation, the equal threaded connection in inside of connecting block (5061) and supporting shoe (5062) has threaded rod (5063), the side fixedly connected with hand wheel (5064) of spacing arc board (508) are kept away from to threaded rod (5063).