CN115609408A

CN115609408A - Automobile part post-welding polishing device

Info

Publication number: CN115609408A
Application number: CN202211632487.6A
Authority: CN
Inventors: 蒋震麟; 刘海涛
Original assignee: YANTAI ZHONGRUI AUTO PARTS CO Ltd
Current assignee: YANTAI ZHONGRUI AUTO PARTS CO Ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-01-17
Anticipated expiration: 2042-12-19
Also published as: CN115609408B

Abstract

The invention discloses a polishing device for automobile parts after welding, which belongs to the field of polishing of automobile parts and comprises a base, wherein a top seat is connected to the upper part of the base through a plurality of table posts, the output end of a polishing main motor penetrates through the side wall of the top seat to extend downwards and is fixedly connected with an adjusting screw, the outer side wall of the adjusting screw is connected with a connecting adjusting ring through an adjusting screw nut, the connecting adjusting ring is connected with an arc-shaped adjusting block through a connecting rod force guide piece, the bottom of the arc-shaped adjusting block is fixedly connected with a bearing rod, and the bearing rod is fixedly connected with a polishing fan-shaped piece. According to the invention, the effect of clamping and polishing the spherical end part of the spherical shaft connector is achieved by changing the moving distance of the polishing fan-shaped part, the effect of matching with the polishing fan-shaped part is achieved by converting the clamping arc-shaped part and the polishing arc-shaped part, the effect of polishing the straight shaft, the welding point and the spherical end part of the spherical shaft connector integrally is realized, the one-step molding is realized, the processing procedures are reduced, the cost of polishing equipment is reduced, and the integral polishing uniformity of the spherical shaft connector is improved.

Description

Automobile part post-welding polishing device

Technical Field

The invention relates to the technical field of automobile part grinding, in particular to a post-weld grinding device for automobile parts.

Background

An automobile accessory is each unit constituting the whole of an automobile and a product serving the automobile; the automobile parts are various in types, people consume more and more automobiles along with the improvement of living standard of people, and the market of the automobile parts is getting larger and larger.

The automobile is before carrying out whole equipment, need make up each spare part, often need handle the accessory before making up the spare part, or handle again after the assembly, its treatment methods are including polishing, electroplating etc., such processing is comparatively common in the course of working of automobile, present processing at the spherical shaft connector of automobile, often need to polish spherical end and connecting axle after welding, thereby reach the smoothness between solder joint department and the spherical end after polishing, present mode of polishing adopts the machine to polish the back to spherical end welding department, polish spherical end and connecting axle again, inevitable meeting contact welding department when polishing spherical end afterwards, this easily causes spherical end and welding department to polish even degree different, and according to the different multiple equipment of polishing of partial difference needs of polishing, need multiple process of polishing, for this reason, an automobile accessory welds back grinding device.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, a machine is adopted to polish a welding position of a spherical end, then the spherical end and a connecting shaft are polished, the spherical end inevitably contacts the welding position when polished, the polishing uniformity of the spherical end and the welding position is different, and various polishing devices and polishing workers are needed according to different polishing parts.

In order to achieve the purpose, the invention adopts the following technical scheme:

a grinding device for automobile parts after welding comprises a base, wherein a top seat is connected above the base through a plurality of stand columns, a main grinding motor is arranged on the top seat, a movable blocking piece is arranged on one side of the top seat, the output end of the main grinding motor penetrates through the side wall of the top seat and extends downwards, an adjusting screw is fixedly connected with the bottom of the adjusting screw, a grinding semicircular cover is fixedly connected with the bottom of the adjusting screw, the outer side wall of the adjusting screw is connected with a connecting adjusting ring through an adjusting screw nut, the connecting adjusting ring is connected with a plurality of arc-shaped adjusting blocks through connecting rod force guide pieces, the tops of the arc-shaped adjusting blocks are connected with the top seat through lubricating support pieces, bearing rods arranged in an arc shape are fixedly connected to the bottoms of the arc-shaped adjusting blocks, and grinding fan-shaped pieces are fixedly connected to the other ends of the bearing rods;

the utility model discloses a grinding machine, including base, elevating screw, clamping table, drive gear, bevel gear, base one side lateral wall is provided with height adjustment motor, height adjustment motor is connected with two elevating screw through worm gear spare, elevating screw is connected with the clamping table through fixed screw nut, be provided with the centre gripping motor on the clamping table, the centre gripping motor is connected with the skewed tooth ring through drive gear, the meshing of skewed tooth intra-annular lateral wall is connected with two sets of bevel gears of relative setting, the bevel gear inside wall is connected with the centre gripping lead screw through centre gripping screw nut, and two centre gripping lead screws of relative setting are connected with centre gripping arc spare and the arc spare of polishing respectively.

Preferably, the arc-shaped adjusting block is provided with two U-shaped seats, the connecting rod force guiding pieces are two, the end parts of the connecting rod force guiding pieces are located in the U-shaped seats and are connected in a rotating mode through a rotating shaft, the outer side wall of the connecting adjusting ring is fixedly connected with a trapezoid seat, and the trapezoid seat is connected with the other end of the connecting rod force guiding piece in a rotating mode through a connecting shaft.

Preferably, the lubricating support piece comprises an annular ball groove formed in the lower surface of the top seat, a plurality of dispersing grooves are formed in the annular ball groove, the top of the arc-shaped adjusting block is connected with a bearing ball through a stress column, and the bearing ball is located in the annular ball groove.

Preferably, the sector of polishing is "half arc" setting, and is a plurality of the sector combination of polishing is "circular" form setting, the sector inside wall of polishing all is provided with the dull polish layer with the semicircle guard inside wall of polishing.

Preferably, a transmission cavity is formed in the base, the worm gear rod piece is composed of a worm gear piece and worm collars which are meshed with each other, the output end of the height adjusting motor penetrates through the transmission cavity and is fixedly connected with the two worm collars, and the bottom of the lifting screw penetrates through the transmission cavity and is fixedly connected with the worm gear piece.

Preferably, the clamping motor is arranged at the bottom of the clamping table, an output end of the clamping motor penetrates through the side wall of the clamping table to extend upwards and is fixedly connected with the driving gear, the bottom of the inclined gear ring is rotatably connected with the clamping table through a bearing ring, and the outer side wall of the inclined gear ring is fixedly connected with a transmission gear ring which is meshed and connected with the driving gear.

Preferably, the bevel gear is rotatably connected with a supporting plate, the bottom of the supporting plate is fixedly connected with the clamping table, and the clamping screw penetrates through the supporting plate and is connected with a clamping screw nut arranged on the inner side wall of the bevel gear.

Preferably, the clamping arc piece and the equal fixedly connected with limit slide block in arc piece bottom of polishing, set up the rectangle spout that supplies limit slide block to remove on the grip slipper.

Preferably, the clamping arc-shaped part inner side wall is provided with a rubber anti-slip layer, and the polishing arc-shaped part inner side wall is provided with a polishing layer.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention is designed aiming at polishing after welding of the existing spherical shaft connector, the spherical shaft connector is stably clamped by using a clamping arc-shaped piece, the spherical end part of the spherical shaft connector is conveyed to a polishing sector-shaped piece under the action of a clamping table, the spherical shaft connector is clamped by using the polishing sector-shaped piece gathered into a circular bowl shape, the spherical shaft connector is driven to rotate, the straight shaft of the spherical shaft connector is effectively polished under the action of the polishing arc-shaped piece which moves back and forth, the polished straight shaft of the spherical shaft connector is clamped by using the clamping arc-shaped piece again, the spherical end part and the welding point part of the spherical shaft connector are effectively polished by using the high-speed rotation of the polishing sector-shaped piece, and the effect of integral polishing and forming is achieved.

2. This scheme utilization reaches the effect to the spherical tip centre gripping of spherical shaft connector and polish to the change of the displacement of the fan-shaped piece of polishing, utilizes the conversion to the arc piece of centre gripping and the arc piece of polishing, reaches and polishes fan-shaped piece complex effect, realizes the effect that the integral type polished to spherical shaft connector straight axle, welding point and spherical tip, and one-step shaping reduces manufacturing procedure, reduces the cost of the equipment of polishing, improves the whole homogeneity of polishing of spherical shaft connector.

Drawings

FIG. 1 is a schematic perspective view of a post-weld polishing device for automobile parts according to the present invention;

FIG. 2 is a schematic structural view of a cross section of a main body of the polishing device after welding for automobile parts according to the present invention;

FIG. 3 is a schematic cross-sectional view of a lubrication support member of the polishing device for the automobile parts after welding according to the present invention;

FIG. 4 is a schematic top view of a clamping table of the polishing apparatus for post-weld automobile parts according to the present invention;

FIG. 5 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 6 is a schematic structural view of a cross section of a base in the polishing device after welding for automobile parts according to the present invention;

FIG. 7 is a schematic structural diagram of an annular ball groove and a dispersion groove in the polishing device for the automobile parts after welding according to the present invention;

FIG. 8 is a diagram illustrating the power source and the output effect involved in the polishing process of the straight shaft in the polishing device for the automobile parts after welding, according to the present invention;

fig. 9 is a diagram showing the power source and the output effect involved in the polishing process of the welding point of the spherical end in the polishing device for the automobile parts after welding provided by the invention.

In the figure: 1. a base; 2. a pillar; 3. a top seat; 4. polishing the main motor; 5. adjusting a lead screw; 6. polishing the semi-circular cover; 7. connecting an adjusting ring; 8. a link force guide; 9. an arc-shaped adjusting block; 10. a carrier bar; 11. polishing the sector; 12. a height adjustment motor; 13. lifting a screw rod; 14. a clamping table; 15. a clamping motor; 16. a drive gear; 17. a skewed tooth ring; 18. a bevel gear; 19. clamping the screw rod; 20. clamping the arc-shaped piece; 21. polishing the arc-shaped piece; 22. a U-shaped seat; 23. a trapezoidal base; 24. an annular ball groove; 25. a dispersion tank; 26. a load bearing ball; 27. a worm gear; 28. a worm collar; 29. a transmission gear ring; 30. a support plate; 31. a limiting slide block; 32. a rectangular chute; 33. a barrier.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person skilled in the art without making creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Examples

Referring to fig. 1-9, the post-welding polishing device for the automobile parts comprises a base 1, wherein a top seat 3 is connected above the base 1 through a plurality of table columns 2, the distance between the top seat 3 and the base 1 is set according to the length of the parts in actual processing, a polishing main motor 4 is arranged on the top seat 3, and a movable blocking piece 33 is arranged on one side of the top seat 3;

it should be noted that: the blocking piece 33 is arranged in an L shape and is rotationally arranged on one side of the top seat 3, when the rotation of the arc adjusting block 9 is required to be limited so as to achieve the effect that the connecting adjusting ring 7 moves up and down on the adjusting screw rod 5, the blocking piece 33 is rotated, and the switching can be realized by limiting the rotation of the arc adjusting block 9 through the blocking piece 33;

the output end of the main polishing motor 4 penetrates through the side wall of the top seat 3 and extends downwards, and is fixedly connected with an adjusting screw 5, and the bottom of the adjusting screw 5 is fixedly connected with a semi-circular polishing cover 6;

it is worth noting that when should polishing of some shaft couplings, the normal rotation of the shaft coupling can not be influenced by the polishing half-round cover 6 at the top when rotating, so that the scheme can only polish the spherical shaft connector and can adapt to various polishing conditions.

The outer side wall of the adjusting screw 5 is connected with a connecting adjusting ring 7 through an adjusting screw nut, wherein the connecting relation is that the inner side wall of the connecting adjusting ring 7 is fixedly connected with the adjusting screw nut, and the adjusting screw 5 is in threaded connection with the adjusting screw nut;

the connecting adjusting ring 7 is connected with a plurality of arc adjusting blocks 9 through connecting rod force guide pieces 8, furthermore, two U-shaped seats 22 are arranged on the arc adjusting blocks 9, the number of the connecting rod force guide pieces 8 is two, the end parts of the connecting rod force guide pieces are all positioned in the U-shaped seats 22 and are rotationally connected through a rotating shaft, the outer side wall of the connecting adjusting ring 7 is fixedly connected with a trapezoidal seat 23, and the trapezoidal seat 23 is rotationally connected with the other end of the connecting rod force guide piece 8 through a connecting shaft;

two connecting rod force-guiding pieces 8 are arranged, so that the transmission of the rotating force of the arc-shaped adjusting block 9 in the rotating process can be effectively enhanced, the connecting strength is ensured, and the effect that the connecting adjusting ring 7 rotates to drive the grinding sector piece 11 to rotate is achieved;

the top of the arc adjusting block 9 is connected with the top seat 3 through a lubricating supporting piece, further, the lubricating supporting piece comprises an annular ball groove 24 arranged on the lower surface of the top seat 3, a plurality of dispersing grooves 25 are formed in the annular ball groove 24, the top of the arc adjusting block 9 is connected with a bearing ball 26 through a stress column, and the bearing ball 26 is located in the annular ball groove 24.

It should be noted that: the annular ball grooves 24 are two, when the bearing balls 26 are in the inner annular ball groove 24, the grinding sector 11 which is linked with the bearing balls is in a clamping state for the workpiece, and when the bearing balls are in the outer annular ball groove 24, the grinding sector 11 is in a grinding state for the workpiece.

The further benefits of using the above are: the bearing ball 26 is arranged in the annular ball groove 24, and the annular ball groove 24 and the dispersion groove 25 are arranged in a shape larger than a semicircle, so that the bearing ball 26 cannot be separated in the annular ball groove 24 and the dispersion groove 25, and can bear the weight of the grinding sector 11 and parts thereof, when the bearing ball 26 is arranged in the annular ball groove 24, the grinding sector 11 is gathered into a circular bowl shape, the bearing ball 26 can rotate in the annular ball groove 24, and the rotation limit of the grinding sector 11 can be realized in the dispersion groove 25;

the bearing rod 10 that the fixedly connected with in 9 bottoms of arc adjusting block is the arc setting, bearing rod 10 other end fixedly connected with sector 11 of polishing, sector 11 of polishing is "half arc" setting, and a plurality of sector 11 combinations of polishing are "circular" form setting, 11 inside walls of sector of polishing all are provided with the dull polish layer with 6 inside walls of half shroud of polishing, wherein the setting on dull polish layer can make when sector 11 of polishing rotates fast, realize effectively polishing to the spherical end that is in spherical hub connection ware wherein.

Base 1 one side lateral wall is provided with height adjustment motor 12, and height adjustment motor 12 is connected with two elevating screw 13 through the worm gear member, and furtherly, has seted up the transmission chamber in the base 1, and the worm gear member comprises intermeshing's worm gear 27 and worm lantern ring 28, and height adjustment motor 12 output runs through to the transmission intracavity to with two worm lantern ring 28 fixed connection, elevating screw 13 bottom run through to the transmission intracavity, and with worm gear 27 fixed connection.

It is worth noting that the output end of the height adjusting motor 12 and the lifting screw 13 are connected with the base 1 through the rotation between the bearings, so as to achieve the supporting effect.

Wherein the axis that height adjustment motor 12 and lifting screw 13 are located it compares clamping table 14 for the diagonal angle setting, this can ensure that the overall arrangement of structure is more accurate succinctly can not influence the normal transmission of centre gripping lead screw 19 on clamping table 14.

The lifting screw 13 is connected with a clamping table 14 through a fixed screw nut, wherein the clamping table 14 is arranged with a central opening, a clamping motor 15 is arranged on the clamping table 14, and the clamping motor 15 is connected with a bevel gear ring 17 through a driving gear 16;

further, the clamping motor 15 is arranged at the bottom of the clamping table 14, the output end of the clamping motor extends upwards through the side wall of the clamping table 14 and is fixedly connected with the driving gear 16, the bottom of the helical gear ring 17 is rotatably connected with the clamping table 14 through a bearing ring, and the outer side wall of the helical gear ring 17 is fixedly connected with a transmission gear ring 29 which is meshed with the driving gear 16.

The inside wall meshing of skewed tooth ring 17 is connected with two sets of bevel gears 18 of relative setting, and the bevel gear 18 inside wall is connected with centre gripping lead screw 19 through centre gripping screw nut, and further, bevel gear 18 rotates and is connected with backup pad 30, backup pad 30 bottom and clamping platform 14 fixed connection, and centre gripping lead screw 19 runs through backup pad 30 to be connected with the centre gripping screw nut who sets up at bevel gear 18 inside wall.

It should be noted that: the bevel gears 18 that distribute around skewed tooth ring 17 and mesh with it can be because there is the difference of direction of rotation in the direction of meshing, need reasonable adjustment centre gripping lead screw 19's spiral direction this moment, and then make two centre gripping lead screws 19 of relative setting realize synchronous inward movement, the effect of synchronous outward movement, and the motion between centre gripping arc 20 and the arc 21 of polishing is opposite, when centre gripping arc 20 and work piece contact, the arc 21 of polishing is kept away from with the work piece.

Two centre gripping lead screws 19 that set up relatively are connected with centre gripping arc 20 respectively and polish arc 21, and centre gripping arc 20 and the equal fixedly connected with spacing slider 31 in arc 21 bottom of polishing set up the rectangle spout 32 that supplies spacing slider 31 to remove on the clamping table 14, and 20 inside walls of centre gripping arc are provided with the rubber skid resistant course, and the arc 21 inside walls of polishing are provided with the layer of polishing.

When adopting above-mentioned further benefit, can ensure through setting up rectangle spout 32 and spacing slider 31 that centre gripping arc 20 and polishing arc 21 can only carry out horizontal migration, can't rotate, the frictional force of centre gripping arc 20 can be increased in the setting on rubber skid resistant course, and the setting on the layer of polishing can realize when spherical shaft connector rotates, realizes polishing the effect of straight axle.

It should be noted that, in the scheme, the polishing agent can be reasonably added according to the polishing precision in the polishing process to achieve the multi-precision polishing effect.

The grinding process of the present invention can be referred to fig. 8 and 9:

polishing a straight shaft of a part to be polished during welding: placing a welded to-be-ground workpiece on a clamping table 14, starting a clamping motor 15 to rotate in a forward direction at the moment, enabling an inclined gear ring 17 connected with the clamping motor 15 through a driving gear 16 to rotate when the clamping motor 15 rotates in the forward direction, driving a clamping screw 19 connected with the inclined gear ring 17 through a clamping screw nut to move by a bevel gear 18 meshed and connected with the inclined gear ring, driving clamping arc-shaped workpieces 20 on two sides to effectively clamp the to-be-ground workpiece, driving the clamping table 14 to move upwards by controlling the forward rotation of a height adjusting motor 12, and moving the spherical end part of the to-be-ground workpiece to the bottom of a grinding half-round cover 6 to realize the feeding process;

at the moment, the main polishing motor 4 is controlled to rotate forwards, the main polishing motor is limited by the blocking piece 33, the bearing ball 26 connected with the arc adjusting block 9 is located in the dispersion groove 25, the arc adjusting block 9 can be gathered inwards when the connecting adjusting ring 7 rotates, when the bearing ball 26 moves into the inner annular ball groove 24, the polishing sector piece 11 can effectively clamp the spherical end part of the workpiece to be welded, the main polishing motor 4 is adjusted to rotate at a high speed after being clamped, the main polishing motor 4 can drive the workpiece to be welded to rotate at a high speed, meanwhile, the clamping motor 15 is controlled to rotate backwards, the clamping arc piece 20 can be loosened by reversing, the polishing arc piece 21 is in contact with the workpiece to be welded, the height adjusting motor 12 is controlled to rotate forwards and backwards at regular time, the clamping table 14 moves upwards and downwards, in the process that the clamping table 14 moves upwards and downwards, the arc piece 21 is driven to move upwards and downwards, and the workpiece to be welded is effectively polished at the straight shaft when the workpiece to be welded is in contact with the reciprocating polishing arc piece 21 which the rotating workpiece to be welded;

polishing the spherical end and the welding point: accomplish the back of polishing of waiting to grind a straight axle department to the welding, control centre gripping motor 15 corotation this moment makes centre gripping arc 20 to wait to grind the welding and press from both sides tightly, control is polished main motor 4 and is carried out the reversal, make the centre gripping cancellation of the waiting to grind piece of sector 11 butt welding of polishing, and wait to grind the ball-type tip of piece near the welding, control is polished main motor 4 and is rotated this moment, the sector 11 of polishing that drives to be in spherical tip department rotates, the sector 11 of polishing of continuous rotation can progressively realize treating effectively polishing of grinding spherical tip and the splice point department to the welding, reach the effect that the integral type was polished.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. The grinding device for the automobile parts after welding comprises a base (1) and is characterized in that a top seat (3) is connected to the upper portion of the base (1) through a plurality of table columns (2), a grinding main motor (4) is arranged on the top seat (3), a movable blocking piece (33) is arranged on one side of the top seat (3), the output end of the grinding main motor (4) penetrates through the side wall of the top seat (3) to extend downwards and is fixedly connected with an adjusting lead screw (5), the bottom of the adjusting lead screw (5) is fixedly connected with a grinding semicircular cover (6), the outer side wall of the adjusting lead screw (5) is connected with a connecting adjusting ring (7) through an adjusting lead screw nut, the connecting adjusting ring (7) is connected with a plurality of arc-shaped adjusting blocks (9) through a connecting rod guiding piece (8), the tops of the arc-shaped adjusting blocks (9) are connected with the top seat (3) through a lubricating support piece, the bottoms of the arc-shaped adjusting blocks (9) are fixedly connected with bearing rods (10) which are arranged in an arc shape, and the other ends of the bearing rods (10) are fixedly connected with sector-shaped grinding pieces (11);

the utility model discloses a base (1) one side lateral wall is provided with height adjustment motor (12), height adjustment motor (12) are connected with two elevating screw (13) through worm gear spare, elevating screw (13) are connected with centre gripping platform (14) through fixed lead screw nut, be provided with clamping motor (15) on centre gripping platform (14), clamping motor (15) are connected with skewed tooth ring (17) through drive gear (16), skewed tooth ring (17) inside wall meshing is connected with two sets of bevel gear (18) of relative setting, bevel gear (18) inside wall is connected with centre gripping lead screw (19) through centre gripping lead screw nut, and two centre gripping lead screws (19) of relative setting are connected with centre gripping arc (20) and arc (21) of polishing respectively.

2. The automobile accessory postweld grinding device as claimed in claim 1, wherein the arc-shaped adjusting block (9) is provided with two U-shaped seats (22), the connecting rod force-guiding member (8) is provided with two ends which are respectively located in the U-shaped seats (22) and rotatably connected through a rotating shaft, the outer side wall of the connecting adjusting ring (7) is fixedly connected with a trapezoidal seat (23), and the trapezoidal seat (23) is rotatably connected with the other end of the connecting rod force-guiding member (8) through a connecting shaft.

3. The automobile accessory post-weld grinding device as claimed in claim 1, wherein the lubricating support comprises an annular ball groove (24) formed in the lower surface of the top seat (3), the annular ball groove (24) is provided with a plurality of dispersing grooves (25), the top of the arc-shaped adjusting block (9) is connected with a bearing ball (26) through a stress column, and the bearing ball (26) is located in the annular ball groove (24).

4. The automobile accessory post-weld grinding device as claimed in claim 1, wherein the grinding sector (11) is arranged in a semi-arc shape, a plurality of grinding sectors (11) are combined in a circular shape, and grinding layers are arranged on the inner side walls of the grinding sectors (11) and the inner side walls of the grinding half-circular covers (6).

5. The automobile accessory post-weld grinding device according to claim 1, wherein a transmission cavity is formed in the base (1), the worm gear rod consists of a worm gear (27) and a worm sleeve ring (28) which are meshed with each other, the output end of the height adjusting motor (12) penetrates into the transmission cavity and is fixedly connected with the two worm sleeve rings (28), and the bottom of the lifting screw (13) penetrates into the transmission cavity and is fixedly connected with the worm gear (27).

6. The automobile accessory postweld grinding device as claimed in claim 1, characterized in that the clamping motor (15) is arranged at the bottom of the clamping table (14), the output end of the clamping motor extends upwards through the side wall of the clamping table (14) and is fixedly connected with the driving gear (16), the bottom of the bevel gear ring (17) is rotatably connected with the clamping table (14) through a bearing ring, and the outer side wall of the bevel gear ring (17) is fixedly connected with a transmission gear ring (29) meshed with the driving gear (16).

7. The automobile accessory postweld grinding device according to claim 1, characterized in that the bevel gear (18) is rotatably connected with a support plate (30), the bottom of the support plate (30) is fixedly connected with the clamping table (14), and the clamping screw (19) penetrates through the support plate (30) and is connected with a clamping screw nut arranged on the inner side wall of the bevel gear (18).

8. The automobile accessory post-weld grinding device as claimed in claim 1, wherein the bottom of each of the clamping arc-shaped member (20) and the grinding arc-shaped member (21) is fixedly connected with a limiting slide block (31), and a rectangular sliding groove (32) for moving the limiting slide block (31) is formed in the clamping table (14).

9. The automobile accessory post-weld grinding device as claimed in claim 1, wherein a rubber anti-slip layer is arranged on the inner side wall of the clamping arc-shaped part (20), and a grinding layer is arranged on the inner side wall of the grinding arc-shaped part (21).