CN110000684B

CN110000684B - Auxiliary machining device for automobile swing arm and swing arm thereof

Info

Publication number: CN110000684B
Application number: CN201910331391.8A
Authority: CN
Inventors: 温棕程
Original assignee: Hangzhou Leclen Auto Parts Co ltd
Current assignee: Hangzhou Leclen Auto Parts Co ltd
Priority date: 2019-04-24
Filing date: 2019-04-24
Publication date: 2020-05-05
Anticipated expiration: 2039-04-24
Also published as: CN110000684A

Abstract

The invention relates to an auxiliary processing device for an automobile swing arm and the swing arm thereof, which comprises a mounting frame, wherein sliding grooves are symmetrically arranged on the left side and the right side of the upper end of the mounting frame, fixed assembling mechanisms are arranged in the sliding grooves, an execution connecting mechanism is arranged between the fixed assembling mechanisms, a bottom processing mechanism is arranged at the lower end of the mounting frame, the lower end of the fixed assembling mechanism is connected with the bottom processing mechanism, and the fixed assembling mechanism, the execution connecting mechanism and the bottom processing mechanism are matched with each other to assist the automobile swing arm in processing operation. The invention can solve the following problems in the production and processing process of the prior lantern ring for pipeline connection, namely a, the shape and the structure of the automobile swing arm are irregular, the smoothness treatment is inconvenient, the manual operation is needed, the efficiency is low b, the treatment operation aiming at the special structure on the automobile swing arm is troublesome, and the automobile swing arm can only be treated once, and a plurality of automobile swing arms cannot be treated simultaneously.

Description

Auxiliary machining device for automobile swing arm and swing arm thereof

Technical Field

The invention relates to the technical field of automobile swing arm machining equipment, in particular to an auxiliary machining device for an automobile swing arm and the swing arm thereof.

Background

The automobile swing arm is used for guiding and supporting a suspension, the deformation of the automobile swing arm affects the wheel positioning and reduces the driving stability, the form and the structure of the automobile swing arm are different, and the automobile swing arm shown in fig. 6 and 7 needs to be specially processed in the processing process.

However, the existing automobile swing arm has the following problems in the production and processing process, that is, the shape and the structure of the automobile swing arm are irregular, the smoothness processing is inconvenient, the operation is manually carried out, the efficiency is low, the processing operation is troublesome for the special structure existing on the automobile swing arm, and the automobile swing arm can only be processed at a single time, so that a plurality of automobile swing arms cannot be processed simultaneously.

About some common problems in the automobile swing arm course of working, relevant trade has made the research to specific technical scheme has been proposed, for example chinese utility model patent that patent number is CN2017216239609 a swing arm processing special purpose workbench, the automobile swing arm of treating processing is arranged in the die cavity, according to the automobile swing arm appearance of treating processing of difference, the structure selection suitable pinhole, the application range has been enlarged to the installation locating pin, nevertheless can't carry out the pertinence to the swing arm of special construction and handle.

In summary, the difficult problems existing in the process of machining the automobile swing arm are still not effectively solved

Disclosure of Invention

In order to solve the problems, the invention provides an auxiliary machining device for an automobile swing arm and the swing arm thereof, which can solve the problems existing in the machining process of the automobile swing arm.

In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: the utility model provides a car swing arm auxiliary machining device, includes the mounting bracket, and the upper end left and right sides symmetry of mounting bracket is provided with the spout, is provided with fixed equipment mechanism in the spout, is provided with the actuating linkage between the fixed equipment mechanism, and the lower extreme of mounting bracket is provided with bottom processing mechanism, and the lower extreme of fixed equipment mechanism links to each other with bottom processing mechanism, and mutually support between fixed equipment mechanism, actuating linkage and the bottom processing mechanism can assist the car swing arm to carry out the processing operation.

Fixed equipment mechanism includes the fixed carriage that sets up in the spout through sliding fit, is provided with the jam piece on the lateral wall of fixed carriage, and the middle part of fixed carriage is provided with the connection branch chain, and the lower extreme of fixed carriage is provided with the auxiliary roll through the bearing.

The connecting branch chain comprises a lifting groove arranged on the fixed sliding frame, a lifting connecting rod is arranged in the lifting groove, a buckle frame is arranged on the side wall of the connecting branch chain, two locking holes are formed in the side wall of the fixed sliding frame from top to bottom, a locking spring rod is arranged on the fixed sliding frame between the locking holes, a locking frame is arranged on the locking spring rod, and the locking frame is located in the locking holes.

Actuating connection mechanism is including installing the top spout on the inner wall of mounting bracket upper end, the top spout is T type structure, be provided with triangle-shaped component and rectangular component between the fixed equipment mechanism, and the triangle-shaped component is located rectangular component directly over, with orderly the interlude of automobile swing arm on triangle-shaped component and rectangular component, the upper end of control automobile swing arm is located the top spout, automobile swing arm's lower extreme is attached on bottom processing mechanism, can satisfy the demand of carrying out processing simultaneously to a plurality of automobile swing arms, and detachable operation mode is convenient for carry out auxiliary treatment to a plurality of automobile swing arms.

The triangle-shaped component includes three hornblocks, and the rear end of three hornblocks is provided with the brush cleaner, and the both ends of three hornblocks are provided with the spliced eye, and the symmetry is provided with the jack on two terminal surfaces around three hornblocks, and the middle part of three hornblocks is provided with fixed chamber, is provided with the triangle fixed block between the fixed intracavity wall, has all seted up the mounting groove on every of three hornblocks, and all is provided with an executive component on every of triangle fixed block, and an executive component is located the mounting groove.

The rectangle component includes the rectangle piece, and the rear end of rectangle piece is provided with the brush cleaner, and the both ends of rectangle piece are provided with the spliced eye, and the symmetry is provided with the jack on two terminal surfaces around the rectangle piece, and the middle part of rectangle piece is provided with the rectangle chamber, is provided with the rectangle fixed block between the inner wall of rectangle chamber, has all seted up the mounting groove on every face of rectangle piece, and all is provided with No. two executive component on every face of rectangle fixed block, and No. two executive component is located the mounting groove.

The executing component and the second executing component are of the same structure as the main body, the executing component comprises executing spring rods evenly arranged on the triangular fixing block from front to back, T-shaped slide rails are installed at the lower ends of the executing spring rods, executing friction frames are connected to the T-shaped slide rails in a sliding fit mode, and polishing assemblies are wrapped on the executing friction frames. The execution friction frame can be detached, so that the grinding assembly can be conveniently replaced, and the smoothness of the cavity structure on the automobile swing arm can be ensured.

The bottom processing mechanism comprises a bottom fixing frame arranged on the mounting frame, positioning grooves are symmetrically formed in the left side and the right side of the bottom fixing frame, positioning supports are arranged in the positioning grooves through pin shafts, and positioning springs are arranged between the positioning supports and the inner walls of the positioning grooves;

preferably, the upper end face of the bottom fixing frame is symmetrically provided with clamping grooves, clamping polishing blocks are arranged in the clamping grooves in a clamping mode, and two ends of each clamping polishing block are of I-shaped structures.

Preferably, the sliding rollers are symmetrically arranged on the fixed sliding frame and are of I-shaped structures, and the sliding rollers are clamped on the mounting frame.

Preferably, the width of the blocking block is of a structure which is sequentially increased from one end connected with the fixed sliding frame to the other end, and the blocking block is made of rubber materials.

Preferably, the buckle frame comprises flexible plastic material, and the lower extreme of buckle frame is the circular arc structure that leans out, and the middle part of buckle frame is circular cavity structure.

Preferably, the middle part of the execution friction frame is provided with a slide matched with the T-shaped slide rail, and the left side and the right side of the execution friction frame are uniformly provided with threaded holes from front to back.

Preferably, the grinding assembly comprises an abrasive cloth a, two sides of the abrasive cloth a are mounted on a locking mounting plate a with a round hole, and the locking mounting plate a is fixed on the execution friction frame through a bolt.

Preferably, the draw-in groove is provided with the slave groove, is provided with the frame of pressing through sliding fit in the slave groove, is provided with the spring between the inner wall of frame and draw-in groove of pressing, and presses the position that the frame is located above the draw-in groove and be from outside to inside downward sloping structure.

An automobile swing arm processed by an automobile swing arm auxiliary processing device comprises an upper end body and a lower end body, wherein the upper end body is connected with the lower end body in a welding mode, the upper end body is of a cylindrical structure, and the width of the lower end body is increased from top to bottom;

preferably, the upper end body is provided with a threaded hole.

Preferably, the rear end face of the lower end body is of an inward concave structure.

Preferably, the lower end body is provided with a triangular through groove and a rectangular through groove, and the rectangular through groove is located on the lower side of the triangular through groove.

Preferably, the lower end of the lower end body is of an inverted U-shaped structure, connecting holes are symmetrically formed in the lower side of the lower end body, and the connecting holes are connected through bolts.

The invention has the beneficial effects that:

1. the invention can solve the following problems existing in the production process of the existing automobile swing arm, namely a, the automobile swing arm is irregular in shape and structure, inconvenient in smoothness treatment, low in efficiency and troublesome in treatment operation aiming at the special structure existing on the automobile swing arm, and can only treat the automobile swing arm at one time, but can not treat a plurality of automobile swing arms simultaneously, thereby realizing the function of efficient processing treatment of the automobile swing arm.

2. When the executing connecting mechanism is used, the automobile swing arms are sequentially inserted into the triangular component and the rectangular component, the upper ends of the automobile swing arms are controlled to be located in the top end sliding grooves, the lower ends of the automobile swing arms are attached to the bottom processing mechanism, the requirement for simultaneously processing a plurality of automobile swing arms can be met, and the detachable operation mode is convenient for auxiliary processing of the automobile swing arms.

3. The execution friction frame designed by the invention can be disassembled, so that the grinding assembly is convenient to replace, and the smoothness of the cavity structure on the automobile swing arm can be ensured.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of an auxiliary processing device for swing arms of an automobile.

FIG. 2 is a schematic view of a part of the structure between the mounting frame, the fixing and assembling mechanism, the actuating connecting mechanism and the bottom processing mechanism according to the present invention.

FIG. 3 is a cross-sectional view of a triangular member of the present invention.

FIG. 4 is a cross-sectional view of a rectangular member of the present invention.

Fig. 5 is a cross-sectional view between the card slot and the pressing frame of the present invention.

Fig. 6 is a first structural schematic diagram of the swing arm of the automobile of the invention.

Fig. 7 is a first structural schematic of the swing arm of the automobile of the present invention.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

As shown in fig. 1 to 7, an auxiliary processing device for automobile swing arms comprises a mounting frame 1, sliding grooves are symmetrically formed in the left side and the right side of the upper end of the mounting frame 1, a fixed assembling mechanism 2 is arranged in each sliding groove, an executing connecting mechanism 3 is arranged between the fixed assembling mechanisms 2, a bottom processing mechanism 4 is arranged at the lower end of the mounting frame 1, the lower end of the fixed assembling mechanism 2 is connected with the bottom processing mechanism 4, and the fixed assembling mechanism 2, the executing connecting mechanism 3 and the bottom processing mechanism 4 are matched with each other to assist the automobile swing arms in processing operation.

An automobile swing arm processed by an automobile swing arm auxiliary processing device comprises an upper end body 5 and a lower end body 6, wherein the upper end body 5 is connected with the lower end body 6 in a welding mode, the upper end body 5 is of a cylindrical structure, and the width of the lower end body 6 is increased from top to bottom in sequence; the upper end body 5 is provided with a threaded hole; the rear end face of the lower end body (6) is of an inward concave structure. The lower end body 6 is provided with a triangular through groove and a rectangular through groove, and the rectangular through groove is located on the lower side of the triangular through groove. The lower end of the lower end body 6 is of an inverted U-shaped structure, connecting holes are symmetrically formed in the lower side of the lower end body 6, and the connecting holes are connected through bolts.

Actuating connection mechanism 3 is including installing top spout 31 on the inner wall of 1 upper end of mounting bracket, top spout 31 is T type structure, be provided with triangle-shaped component 32 and rectangular component 33 between the fixed equipment mechanism 2, and triangle-shaped component 32 is located rectangular component 33 directly over, it alternates respectively on triangle-shaped component 32 and rectangular component 33 to lead to the groove with the rectangular logical groove in the automobile swing arm in proper order, it makes the upper end of automobile swing arm be located top spout 31 through control removal triangle-shaped component 32 and rectangular component 33, the lower extreme of automobile swing arm is attached on bottom processing mechanism 4, can satisfy the demand of carrying out processing to a plurality of automobile swing arms simultaneously, and detachable operation mode is convenient for carry out auxiliary treatment to a plurality of automobile swing arms.

Triangle-shaped component 32 includes three hornblocks 34, three hornblocks 34's rear end is provided with the brush cleaner, three hornblocks 34's both ends are provided with the spliced eye, the symmetry is provided with the jack on two terminal surfaces around three hornblocks 34, three hornblocks 34's middle part is provided with fixed chamber, be provided with three horn fixed block 35 between the fixed intracavity wall, the mounting groove has all been seted up on every of three hornblocks 34, and all be provided with executive component 36 on every of three horn fixed block 35, executive component 36 is located the mounting groove, three horn-shaped logical groove on the automobile swing arm passes three hornblocks 34.

Rectangular component 33 includes rectangular piece 37, rectangular piece 37's rear end is provided with the brush cleaner, rectangular piece 37's both ends are provided with the spliced eye, the symmetry is provided with the jack on two front and back terminal surfaces of rectangular piece 37, rectangular piece 37's middle part is provided with rectangular die cavity, be provided with rectangular fixed block 38 between rectangular die cavity's the inner wall, the mounting groove has all been seted up on every of rectangular piece 37, and all be provided with No. two executive component 39 on every of rectangular fixed block 38, No. two executive component 39 are located the mounting groove, rectangular logical groove on the automobile swing arm passes rectangular piece 37. The cleaning brush can clean the processed automobile swing arm.

The first actuating member 36 and the second actuating member 39 are of the same structure, the first actuating member 36 comprises actuating spring rods 361 which are uniformly arranged on the triangular fixing block 35 from front to back, a T-shaped slide rail 362 is mounted at the lower ends of the actuating spring rods 361, an actuating friction frame 363 is connected to the T-shaped slide rail 362 in a sliding fit mode, and the actuating friction frame 363 is wrapped with the grinding assembly 3 a. The implement friction carrier 363 is removable to facilitate replacement of the sanding assembly 3a, thereby ensuring smoothness of the cavity structure in the swing arm of the vehicle.

The grinding assembly 3a comprises an abrasive cloth 3a1, two sides of the abrasive cloth 3a1 are mounted on a locking mounting plate 3a2 with a round hole, and the locking mounting plate 3a2 is fixed on an execution friction frame 363 through a bolt.

The middle part of executing friction frame 363 is provided with the slide with T type slide rail 362 complex, and the left and right sides of executing friction frame 363 evenly is provided with the screw hole from the past backward, thereby inserts the slide on executing friction frame 363 into T type slide rail 362 and be convenient for execute the dismantlement of friction frame 363, and the emery cloth 3a1 of bolt fastening usefulness of polishing is convenient for in time change, and the equipment is convenient and execution spring beam 361 can control and execute friction frame 363 and closely laminate on the automobile swing arm.

Fixed equipment mechanism 2 includes that the fixed carriage 21 that sets up in the spout through sliding fit mode is provided with stifled chock 22 on the lateral wall of fixed carriage 21, and the middle part of fixed carriage 21 is provided with connects branch chain 23, and the lower extreme of fixed carriage 21 is provided with auxiliary roll 24 through the bearing, the motion of fixed carriage 21 of control, and stifled chock 22 can be plugged up top spout 31 to fix spacingly to top spout 31.

The connecting branch chain 23 comprises a lifting groove formed in the fixed sliding frame 21, a lifting connecting rod 231 is arranged in the lifting groove, a clamping frame 232 is arranged on the side wall of the connecting branch chain 23, two locking holes are formed in the side wall of the fixed sliding frame 21 from top to bottom, a locking spring rod 233 is arranged on the fixed sliding frame 21 between the locking holes, a locking frame 234 is arranged on the locking spring rod 233, and the locking frame 234 is located in the locking holes.

The width of the blocking block 22 is a structure which is gradually increased from one end connected to the fixed sliding frame 21 to the other end, and the blocking block 22 is made of rubber.

The buckle frame 232 is made of flexible plastic materials, the lower end of the buckle frame 232 is of an outward inclined arc structure, and the middle of the buckle frame 232 is of a circular cavity structure. When the lifting connecting rod 231 is not required to be used, the lifting connecting rod 231 moves upwards into the buckling frame 232, and the buckling frame 232 limits the lifting connecting rod 231 under the condition of no external force driving.

When in use, the lifting connecting rod 231 is manually controlled to move downwards so that the lifting connecting rod 231 passes through the inserting holes on the triangular block 34 and the rectangular block 37, and the fixed sliding frame 21 can be connected with the triangular block 34 and the rectangular block 37 into a whole.

Locking frame 234 is manually pulled out, triangular block 34 and rectangular block 37 are moved to proper positions, locking frame 234 is released, and locking spring rods 233 control locking frame 234 to be inserted into the opposite insertion holes of triangular block 34 and rectangular block 37, so that the stability of connection is ensured.

The bottom processing mechanism 4 comprises a bottom fixing frame 41 arranged on the mounting frame 1, positioning grooves are symmetrically formed in the left side and the right side of the bottom fixing frame 41, positioning supports 42 are arranged in the positioning grooves through pin shafts, positioning springs 43 are arranged between the positioning supports 42 and the inner walls of the positioning grooves, and the positioning springs 43 control the positioning supports 42 to limit the auxiliary rollers 24.

The upper end face of the bottom fixing frame 41 is symmetrically provided with clamping grooves 44, clamping polishing blocks 45 are arranged in the clamping grooves 44 in a clamping mode, and two ends of each clamping polishing block 45 are of I-shaped structures.

The fixed sliding frame 21 is symmetrically provided with sliding rollers 211, the sliding rollers 211 are in an I-shaped structure, and the sliding rollers 211 are clamped on the mounting frame 1.

The clamping groove 44 is provided with a driven groove, a pressing frame 46 is arranged in the driven groove in a sliding fit mode, a spring is arranged between the pressing frame 46 and the inner wall of the clamping groove 44, and the part, located above the clamping groove 44, of the pressing frame 46 is of a structure which inclines downwards from outside to inside.

The clamping and polishing block 45 is conveniently inserted into the clamping groove 44, and the clamping and polishing block 45 extrudes the pressing frame 46 when being inserted, so that the pressing frame 46 can lock the part positioned in the clamping groove 44.

When the invention is used;

the front end installation is fixed, and the motion of the fixed carriage 21 of control, the jam piece 22 can carry out the jam to top spout 31 tightly to fix spacing to top spout 31, positioning spring 43 control locating support 42 is injectd auxiliary roll 24.

The work piece is placed, thereby insert the slide on the execution friction frame 363 into T type slide rail 362 and be convenient for carry out the dismantlement of friction frame 363, the emery cloth 3a1 of bolt fastening usefulness of polishing is convenient for in time change, and the equipment is convenient and carry out spring beam 361 and can control execution friction frame 363 and closely laminate in proper order and alternate the triangle-shaped logical groove on the automobile swing arm with the rectangular through groove on the automobile swing arm respectively on triangle-shaped member 32 and rectangular member 33.

The workpiece position is locked, the locking frame 234 is manually pulled out, the triangular block 34 and the rectangular block 37 are moved to proper positions, the locking frame 234 is loosened, the locking spring rod 233 controls the locking frame 234 to be inserted into the opposite insertion holes of the triangular block 34 and the rectangular block 37, therefore, the connection stability is guaranteed, the upper end of the automobile swing arm is located in the top end sliding groove 31 by controlling and moving the triangular component 32 and the rectangular component 33, the lower end of the automobile swing arm is attached to the bottom processing mechanism 4, and the rear end fixed sliding frame 21 is fixedly installed according to the steps.

The operation is executed, the swing arm of the automobile placed on the invention is controlled by the existing equipment to synchronously move back and forth, so that the abrasive cloth 3a1 and the clamping polishing block 45 can process the special structure on the swing arm of the automobile.

After the processing is finished, the front end fixing sliding frame 21 is detached, the automobile swing arm is taken out from the front end, and the chips polished on the automobile swing arm are processed through the cleaning brush in the movement of the automobile swing arm.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a with supplementary processingequipment of car swing arm, includes mounting bracket (1), its characterized in that: the left side and the right side of the upper end of the mounting rack (1) are symmetrically provided with sliding chutes, fixed assembling mechanisms (2) are arranged in the sliding chutes, an execution connecting mechanism (3) is arranged between the fixed assembling mechanisms (2), the lower end of the mounting rack (1) is provided with a bottom processing mechanism (4), and the lower end of the fixed assembling mechanism (2) is connected with the bottom processing mechanism (4);

the fixed assembling mechanism (2) comprises a fixed sliding frame (21) arranged in the sliding groove in a sliding fit mode, a plugging block (22) is arranged on the side wall of the fixed sliding frame (21), a connecting branched chain (23) is arranged in the middle of the fixed sliding frame (21), and an auxiliary roller (24) is arranged at the lower end of the fixed sliding frame (21) through a bearing;

the connecting branch chain (23) comprises a lifting groove arranged on the fixed sliding frame (21), a lifting connecting rod (231) is arranged in the lifting groove, a buckle frame (232) is arranged on the side wall of the connecting branch chain (23), two locking holes are formed in the side wall of the fixed sliding frame (21) from top to bottom, a locking spring rod (233) is arranged on the fixed sliding frame (21) between the locking holes, a locking frame (234) is arranged on the locking spring rod (233), and the locking frame (234) is located in the locking holes;

the execution connecting mechanism (3) comprises a top end sliding groove (31) arranged on the inner wall of the upper end of the mounting frame (1), the top end sliding groove (31) is of a T-shaped structure, a triangular component (32) and a rectangular component (33) are arranged between the fixed assembling mechanisms (2), and the triangular component (32) is positioned right above the rectangular component (33);

the triangular component (32) comprises a triangular block (34), a cleaning brush is arranged at the rear end of the triangular block (34), plug-in holes are formed in two ends of the triangular block (34), fixing cavities are symmetrically formed in the front end face and the rear end face of the triangular block (34) and are arranged in the middle of the triangular block (34) with the plug-in holes, triangular fixing blocks (35) are arranged between the inner walls of the fixing cavities, each face of the triangular block (34) is provided with a mounting groove, each face of the triangular fixing block (35) is provided with a first execution component (36), and the first execution component (36) is located in the mounting groove;

the rectangular component (33) comprises a rectangular block (37), a cleaning brush is arranged at the rear end of the rectangular block (37), plug-in holes are formed in two ends of the rectangular block (37), opposite plug holes are symmetrically formed in the front end face and the rear end face of the rectangular block (37), a rectangular cavity is formed in the middle of the rectangular block (37), a rectangular fixed block (38) is arranged between the inner walls of the rectangular cavity, each face of the rectangular block (37) is provided with a mounting groove, each face of the rectangular fixed block (38) is provided with a second execution component (39), and the second execution component (39) is located in the mounting groove;

the first execution member (36) and the second execution member (39) are of the same structure, the first execution member (36) comprises execution spring rods (361) which are uniformly arranged on the triangular fixing block (35) from front to back, the lower ends of the execution spring rods (361) are provided with T-shaped sliding rails (362), the T-shaped sliding rails (362) are connected with execution friction frames (363) in a sliding fit mode, and the execution friction frames (363) are wrapped with grinding assemblies (3 a);

the bottom processing mechanism (4) comprises a bottom fixing frame (41) arranged on the mounting frame (1), positioning grooves are symmetrically formed in the left side and the right side of the bottom fixing frame (41), positioning supports (42) are arranged in the positioning grooves through pin shafts, and positioning springs (43) are arranged between the positioning supports (42) and the inner walls of the positioning grooves;

the upper end face of the bottom fixing frame (41) is symmetrically provided with clamping grooves (44), clamping polishing blocks (45) are arranged in the clamping grooves (44) in a clamping mode, and two ends of each clamping polishing block (45) are of I-shaped structures.

2. The auxiliary processing device for the swing arm of the automobile as claimed in claim 1, wherein: the fixed sliding frame (21) is symmetrically provided with sliding rollers (211), the sliding rollers (211) are in an I-shaped structure, and the sliding rollers (211) are clamped on the mounting frame (1).

3. The auxiliary processing device for the swing arm of the automobile as claimed in claim 1, wherein: the width of the blocking block (22) is of a structure which is sequentially increased from one end connected with the fixed sliding frame (21) to the other end, and the blocking block (22) is made of rubber materials.

4. The auxiliary processing device for the swing arm of the automobile as claimed in claim 1, wherein: the buckle frame (232) is made of flexible plastic materials, the lower end of the buckle frame (232) is of an outward inclined arc structure, and the middle of the buckle frame (232) is of a circular cavity structure.

5. The auxiliary processing device for the swing arm of the automobile as claimed in claim 1, wherein: the middle part of the execution friction frame (363) is provided with a slide way matched with the T-shaped slide rail (362), and the left side and the right side of the execution friction frame (363) are uniformly provided with threaded holes from front to back.

6. The auxiliary processing device for the swing arm of the automobile as claimed in claim 1, wherein: the grinding assembly (3a) comprises an abrasive cloth (3a1), two sides of the abrasive cloth (3a1) are installed on a locking installation plate (3a2) with a round hole, and the locking installation plate (3a2) is fixed on an execution friction frame (363) through bolts.

7. The auxiliary processing device for the swing arm of the automobile as claimed in claim 1, wherein: the clamping groove (44) is provided with a driven groove, a pressing frame (46) is arranged in the driven groove in a sliding fit mode, a spring is arranged between the pressing frame (46) and the inner wall of the clamping groove (44), and the part, located above the clamping groove (44), of the pressing frame (46) is of a structure inclining downwards from outside to inside.

8. The swing arm of an automobile processed by the swing arm auxiliary processing device of the automobile as claimed in any one of claims 1 to 7, comprising an upper end body (5) and a lower end body (6), characterized in that: the upper end body (5) is connected with the lower end body (6) in a welding mode, the upper end body (5) is of a cylindrical structure, and the width of the lower end body (6) is sequentially increased from top to bottom;

the upper end body (5) is provided with a threaded hole;

the rear end face of the lower end body (6) is of an inward concave structure.

9. The swing arm of an automobile according to claim 8, wherein: the lower end body (6) is provided with a triangular through groove and a rectangular through groove, and the rectangular through groove is located on the lower side of the triangular through groove.

10. The swing arm of an automobile according to claim 8, wherein: the lower end of the lower end body (6) is of an inverted U-shaped structure, connecting holes are symmetrically formed in the lower side of the lower end body (6), and the connecting holes are connected through bolts.