CN219054251U - Press mounting tool for vehicle suspension - Google Patents

Abstract

The embodiment of the utility model discloses a vehicle suspension press-fitting tool, which comprises a base, a positioning seat and a support positioning pin which are arranged on the base, and a bushing profiling device which is arranged on the positioning seat, wherein an inner sleeve positioning pin and an angle positioning pin are arranged on the bushing profiling device, the support positioning pin and the bushing profiling device are matched to realize the installation and positioning of a support, and the bushing profiling device, the inner sleeve positioning pin and the angle positioning pin are matched to realize the installation and positioning of a bushing. According to the press-fit tool, the angle locating pin is inserted into the hollow of the bushing to limit the bushing to rotate, so that the bushing and the bracket are assembled in a mode of a preset installation angle. The press-fitting tool can meet the angle installation requirement of the bushing and the bracket, is convenient to operate and low in cost, improves the production efficiency and the quality consistency in the production process, and meets the performance requirement of the whole vehicle.

Description

Press mounting tool for vehicle suspension

Technical Field

The utility model relates to the technical field of automobile part assembly, in particular to a vehicle suspension press-fitting tool.

Background

The automobile suspension is an elastic structure for connecting the power assembly and the automobile body, and has the main effects of supporting the power assembly, bearing force and torque, reducing the influence of vibration of the power assembly on the whole automobile, limiting the shaking of the power assembly and playing a very important role in the NVH performance of the whole automobile. There are two types of suspensions currently in widespread use in the automotive industry: metal rubber type suspensions and hydraulic suspensions. The metal rubber type suspension generally consists of a bracket 11 and a bushing 14, the bushing 14 comprising an outer jacket 17, a rubber layer 18 and an inner jacket 19, as shown in fig. 1. The bracket 11 includes a fitting hole 13 and a mounting hole 12 as shown in fig. 2.

The existing press-fitting tool can press the bushing 14 into the assembly hole 13 of the bracket 11, but since the bushing 14 has a cylindrical structure, the press-fitting tool cannot interference-fit the bushing 14 having a symmetrical structure into the assembly hole 13 of the bracket 11 in a manner of forming a predetermined installation angle with the bracket 11. At present, when the bushing 14 with the installation angle requirement is pressed into the bracket 11 through the press-fitting tool, the adjustment still needs to be judged by an operator, the assembly reliability is reduced, and the labor cost is increased.

Disclosure of Invention

In view of the above, the embodiment of the utility model provides a vehicle suspension press-fitting tool, which can meet the requirement of angle installation of a bushing and a bracket, improve the production efficiency and the quality consistency in the production process, and meet the performance requirement of the whole vehicle.

The embodiment of the utility model provides a press-fitting tool for a vehicle suspension, which comprises a bracket and a bushing, wherein the press-fitting tool comprises the following components:

a base;

the positioning seat is arranged on the base, and the bracket is placed on the positioning seat;

the bracket locating pin is arranged on the base and positioned on one side of the locating seat, and is matched with the mounting hole of the bracket;

the bushing profiling device is arranged on the positioning seat, the outer diameter of the bushing profiling device is smaller than that of the positioning seat, and the outer side surface of the bushing profiling device is matched with the assembly hole of the bracket;

the inner sleeve positioning pin is arranged at the center of the bushing profiling device and is matched with the center hole of the bushing;

and the at least two angle locating pins are arranged on the bushing profiling device, and all the angle locating pins are matched with the hollowed-out end parts of the bushing to limit the bushing to rotate.

Further, the press-fitting device further comprises a limiting baffle column arranged on the base, and the limiting baffle column is in butt joint with the outer side face of the support.

Further, a positioning plate is convexly arranged on the top surface of the positioning seat, profiling grooves with openings are formed in the two ends of the positioning plate and the outer side surface of the bushing profiling device, and the profiling grooves are matched with the support at the side with the assembly holes.

Further, the imitation groove is a semicircular groove.

Further, the locating plate is arranged on one side, far away from the support locating pin, of the locating seat.

Further, the bushing profiling has an outer diameter and is adapted to the outer diameter of the bushing.

Further, the top surface of the bushing profiling device is recessed downwards to form a groove, the inner sleeve positioning pin is fixed in the groove, and the angle positioning pin is arranged on the top surface of the bushing profiling device outside the groove.

Further, the support locating pin comprises a supporting portion and a guiding portion, wherein the guiding portion is located above the supporting portion, and the guiding portion is matched with the mounting hole of the support.

Further, the press-fitting device further comprises a plurality of mounting guide posts, the mounting guide posts are mounted on the base, and the plurality of mounting guide posts are connected with the assembly equipment in a matched mode.

Further, the number of the support locating pins, the number of the limit stop posts and the number of the angle locating pins are two, the two limit stop posts are abutted to different sides of the support, and the two angle locating pins are distributed along the circumferential direction.

The embodiment of the utility model provides a vehicle suspension press-fitting tool, which comprises a base, a positioning seat and a support positioning pin which are arranged on the base, and a bushing profiling device which is arranged on the positioning seat, wherein an inner sleeve positioning pin and an angle positioning pin are arranged on the bushing profiling device, the support positioning pin and the bushing profiling device are matched to realize the installation and positioning of a support, and the bushing profiling device, the inner sleeve positioning pin and the angle positioning pin are matched to realize the installation and positioning of a bushing. According to the press-fit tool, the angle locating pin is inserted into the hollow of the bushing to limit the bushing to rotate, so that the bushing and the bracket are assembled in a mode of a preset installation angle. The press-fitting tool can meet the angle installation requirement of the bushing and the bracket, is convenient to operate and low in cost, improves the production efficiency and the quality consistency in the production process, and meets the performance requirement of the whole vehicle.

Drawings

The above and other objects, features and advantages of the present utility model will become more apparent from the following description of embodiments of the present utility model with reference to the accompanying drawings, in which:

FIG. 1 is a cross-sectional view of a prior art bushing;

FIG. 2 is a top view of a prior art bracket;

fig. 3 is a schematic structural view of a first angle of a press-fitting tool for vehicle suspension according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of a second angle of a press-fitting tool for vehicle suspension according to an embodiment of the present utility model.

Reference numerals:

1-a base; 2-positioning seats; 3-a bracket locating pin; 31-a support; 32-a guide; 4-a bushing profiling device; 41-grooves; 5-inner sleeve positioning pins; 6-angle locating pins; 7-limiting baffle columns; 8-positioning plates; 9-a simulated groove; 10, installing guide posts; 11-a bracket; 12-mounting holes; 13-fitting holes; 14-a bushing; 15-a central hole; 16-hollowing; 17-coat; 18-a rubber layer; 19-inner sleeve.

Detailed Description

The present utility model is described below based on examples, but the present utility model is not limited to only these examples. In the following detailed description of the present utility model, certain specific details are set forth in detail. The present utility model will be fully understood by those skilled in the art without the details described herein. Well-known methods, procedures, flows, components and circuits have not been described in detail so as not to obscure the nature of the utility model.

Moreover, those of ordinary skill in the art will appreciate that the drawings are provided herein for illustrative purposes and that the drawings are not necessarily drawn to scale.

Unless specifically stated or limited otherwise, the terms "mounted," "connected," "secured" and the like should be construed broadly, as they may be fixed, removable, or integral, for example; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Unless the context clearly requires otherwise, the words "comprise," "comprising," and the like throughout the application are to be construed as including but not being exclusive or exhaustive; that is, it is the meaning of "including but not limited to".

In the description of the present utility model, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

The suspension system in the vehicle is used as a part for connecting the power assembly and the vehicle body, and has the main effects of supporting the power assembly, reducing the influence of vibration of the power assembly on the whole vehicle and limiting the shaking amount of the power assembly, thereby playing a great role in the NVH performance of the whole vehicle. The vehicle suspension generally consists of a bracket 11 and a bushing 14, the bushing 14 comprising an outer jacket 17, a rubber layer 18, and an inner jacket 19, as shown in fig. 1. The bracket 11 includes a fitting hole 13 and a mounting hole 12 as shown in fig. 2. Wherein the bushing 14 is assembled into the assembly hole 13 of the bracket 11 by a press-fit tool. In some applications, it may be desirable to fit the bushing 14 into the bracket 11 at a predetermined angle to meet the installation requirements of the suspension system.

The present embodiment provides a press-fitting tool for a vehicle suspension, which can relatively fix the bushing 14 and the bracket 11 at a predetermined angle, and then press the bushing 14 into the bracket 11, so that the bushing 14 is fitted into the bracket 11 at the predetermined angle.

Specifically, the press-fitting tool comprises a base 1, a positioning seat 2, a bracket positioning pin 3, a bushing profiling device 4, an inner sleeve positioning pin 5, an angle positioning pin 6 and a limiting baffle column 7, as shown in fig. 3 and 4. The base 1 is used as a supporting body of the press-fit tool and is installed on the assembly equipment. That is, in use, the press-fit tool is connected to the assembly apparatus through the base 1.

Further, the press-fitting device further includes a plurality of mounting posts 10 mounted on the base 1, as shown in fig. 3 and 4. A plurality of the mounting guide posts 10 are used for being matched and connected with assembly equipment. The positions of the plurality of mounting guide posts 10 are correspondingly set according to the mounting positions of the assembly equipment. The mounting guide post 10 can be connected to the base 1 in a plugging or threaded connection mode, and the mounting guide post is convenient to assemble and disassemble.

In this embodiment, the base 1 is formed by machining a common die steel material, which can meet the requirements of hardness, strength, and the like in the press-fitting process. The dimensions of the base 1 can be designed universally according to the positioning structure mounted thereon and the assembly dimensions with the assembly device. The mounting guide post 10 is made of a common wear-resistant round steel material with high hardness, and can meet the requirements of hardness, strength and the like in the press mounting process.

The positioning seat 2 is arranged on the base 1. The support 11 is placed above the positioning seat 2, and the positioning seat 2 is used for supporting the support 11, so that the support 11 is installed and positioned. Wherein the top surface area of the positioning seat 2 is larger than the outer diameter of the end of the bracket 11 having the fitting hole 13, so that a part of the bracket 11 having the end of the fitting hole 13 can be supported on the positioning seat 2.

The bushing profiling 4 is arranged on the positioning seat 2, and the bushing profiling and the positioning seat form a step structure, as shown in fig. 3 and 4. That is, the outer diameter of the bush profiling device 4 is smaller than the outer diameter of the positioning seat 2, thereby forming a stepped structure. The outer side surface of the bushing profiling 4 is adapted to cooperate with the mounting hole 13 of the bracket 11 such that the bushing profiling 4 can be inserted into the mounting hole 13 while the bracket 11 is located above the positioning seat 2, thereby limiting the lateral movement of the bracket 11. Wherein the assembly hole 13 is generally configured as a circular through hole, and the bushing profiling device 4 is configured as a cylinder with the same aperture as the circular through hole, so that the bracket 11 is connected to the outer side of the bushing profiling device 4 in a matched manner through the assembly hole 13.

Further, the outer diameter of the bushing profiling device 4 is the same as the outer diameter of the bushing 14, so that when the bushing 14 positioned above the bushing profiling device 4 is pressed downwards into the assembly hole 13, interference fit connection is achieved between the bushing profiling device and the assembly hole, and assembly requirements are met. That is, the outer diameter of the fitting hole 13 of the bracket 11 and the bushing copying device 4 is the same as the bushing 14. Because the requirements of assembly, positioning and the like are different, the assembly holes 13 are in clearance fit with the bushing profiling device 4, so that the bushing profiling device 4 is convenient to insert into the assembly holes 13 of the bracket 11; the assembly hole 13 is in interference fit with the bushing 14 to meet assembly requirements.

Wherein the height of the bushing profiling 4 is smaller than the height of the mounting hole 13, so that a part of the mounting hole 13 above the bushing profiling 4 can mount the bushing 14 when the bracket 11 is in mating connection with the bushing profiling 4.

Further, the press-fitting tool further comprises a positioning plate 8, as shown in fig. 3 and 4. The locating plate 8 is arranged on the top surface of the locating seat 2 in a protruding mode and is located on the outer side of the lining profiling device 4. The positioning plate 8 and the outer side surface of the bushing profiling 4 are provided with profiling grooves 9 with openings at both ends, as shown in fig. 4. The profiling groove 9 cooperates with a part of the bracket 11 having a side of the fitting hole 13 so that the bracket 11 can be positioned in a sleeved manner from top to bottom on the outer side of the bushing profiling 4.

The profiling grooves 9 have openings at both ends so that the rest of the brackets 11 can protrude from the openings for further mounting and positioning. The locating plate 8 is arranged on one side of the locating seat 2 far away from the support locating pin 3, so that two openings of the profiling groove 9 face the support locating pin 3, and the support 11 can be used for locating and connecting the support locating pin 3 and the bushing profiling device 4 at the same time.

Wherein, the shape of the profiling groove 9 is the same as the structural shape of the bracket 11 at the side of the assembly hole 13, so that the positioning plate 8 can further position the bracket 11 when the bracket 11 is sleeved on the outer side of the bushing profiling device 4.

When the outer side surface of the bracket 11 is a non-circular arc side surface in the portion having the fitting hole 13 side, the inner side surface of the positioning plate 8 is set to the same non-circular arc side surface, which makes it possible to provide the bracket 11 with a further positioning action by the setting of the profiling groove 9, avoiding the rotation of the bracket 11.

In general, the outer side surface of the bracket 11 is a circular arc side surface at a portion having the fitting hole 13 side, and the inner side surface of the positioning plate 8 is set to the same circular arc side surface. The positioning plate 8 and the bushing profiling 4 are coaxially arranged on the positioning seat 2, so that the profiling groove 9 forms a semicircular arc groove. The width of the semicircular groove is the same as that of the assembly hole 13 and the outer side face of the bracket 11, and the mounting bracket 11 can be matched. The semicircular arc-shaped groove refers to an irregular arc.

In a preferred embodiment, the positioning seat 2 is provided as a cylinder, and the bushing profiling 4 is provided as a cylinder. The bushing profiling 4 is coaxially arranged on the positioning seat 2, and the positioning plate 8 is coaxially arranged on the outer side edge of the positioning seat 2. The positioning seat 2 is arranged into a cylinder, so that the positioning plate 8 and the bushing profiling device 4 form a semicircular groove, and the positioning requirement is met.

The bracket locating pin 3 is arranged on the base 1 and is positioned on one side of the locating seat 2, as shown in fig. 3 and 4. The bracket locating pin 3 is used for matching with the mounting hole 12 on the bracket 11, so that the bracket locating pin 3 can be inserted into the mounting hole 12. Thus, the bracket positioning pin 3 and the bush profiling device 4 cooperate to restrict the lateral movement and rotation of the bracket 11. The bracket locating pin 3 can be fixed on the base 1 in a clamping connection, threaded connection and other modes, so that the bracket locating pin is convenient to assemble and disassemble.

Wherein the bracket positioning pin 3 includes a supporting portion 31 and a guiding portion 32 as shown in fig. 3 and 4. The guide portion 32 is located above the support portion 31, and both form a step structure. Wherein, the supporting part 31 is connected with the base 1, and the guiding part 32 is matched, positioned and connected with the mounting hole 12 of the bracket 11. That is, the outer diameter of the guide portion 32 is the same as the aperture of the mounting hole 12, so that the guide portion 32 can be inserted into the mounting hole 12 and supported on the support portion 31. Preferably, the guiding portion 32 may be configured as a truncated cone, and the diameter of the bottom of the truncated cone is the same as the aperture of the mounting hole 12. The truncated cone structure can be conveniently inserted into the mounting hole 12, and can also play a role in positioning.

In this embodiment, the number, the positions of the bracket positioning pins 3 and the relative positions of the bracket positioning pins and the bushing profiling 4 are set correspondingly according to the number, the positions of the mounting holes 12 on the bracket 11 and the relative positions of the mounting holes 12 and the assembly holes 13. Therefore, the press-fitting tool can be respectively inserted into the mounting hole 12 and the mounting hole 13 of the bracket 11 through the bracket locating pin 3 and the bushing profiling device 4, so that the bracket 11 is positioned. In one implementation, the bracket 11 has two mounting holes 12, and two bracket positioning pins 3 are provided on the base 1.

The limit stop 7 is arranged on the base 1 and is positioned outside the bracket locating pin 3, as shown in fig. 3 and 4. After the bracket 11 is respectively matched with the bracket locating pin 3 and the bushing profiling device 4 in the front, the limiting baffle column 7 is positioned at the outer side of the bracket 11 and is abutted with the outer side surface of the bracket 11, so that the bracket 11 can be further located. Because the bracket 11 is generally configured to have a special-shaped structure, when the bracket 11 is mounted with the bracket positioning pin 3 and/or the bushing profiling device 4 on the reverse side, the limiting stop post 7 cannot be abutted against the outer side surface of the bracket 11, and even the bracket 11 cannot be mounted with the bracket positioning pin 3 and the bushing profiling device 4 at the same time. Therefore, the bracket locating pin 3, the bushing profiling device 4 and the limiting baffle column 7 are matched to realize the installation and location of the bracket 11, and meanwhile, the wrong installation of the front side and the back side of the bracket 11 and the wrong installation of the bracket with a similar structure can be prevented.

Wherein, spacing baffle 7 can be fixed on base 1 through modes such as joint, threaded connection, make things convenient for the dismouting. The height of the limiting baffle column 7 is larger than that of the support locating pin 3, so that after the support 11 is located in the support locating pin 3 through the mounting hole 12, the limiting baffle column 7 can be abutted to the outer side face of the support 11 for location. The number of the limiting baffle columns 7 is not limited, and a large number of limiting baffle columns 7 can be used for simultaneously abutting and positioning different positions of the outer side faces of the support 11, so that the probability of wrong installation of the front side and the back side of the support 11 is further reduced. In one embodiment, two limiting blocking posts 7 are arranged on the base 1 and are respectively arranged on two sides of the bracket locating pin 3. When the bracket 11 is connected with the bracket positioning pin 3, the two limiting baffle posts 7 are positioned on the outer sides of different sides of the bracket 11 and are abutted against the corresponding sides.

The inner sleeve positioning pin 5 is arranged at the center of the bushing profiling device 4 as shown in fig. 3 and 4. The inner sleeve locating pin 5 cooperates with a central bore 15 of the bushing 14 for locating the bushing 14 on the bushing profiling 4. Wherein the outer diameter of the inner sleeve positioning pin 5 is the same as the aperture of the central hole 15 for improving the positioning accuracy so that the bushing 14 can be fitted into the fitting hole 13.

In one embodiment, the top surface of the bushing profiling 4 is recessed downwardly to form a recess 41, as shown in FIGS. 3 and 4. The inner sleeve positioning pin 5 is fixed at the center of the groove 41. A space is formed between the inner sleeve positioning pin 5 and the inner side surface of the groove 41, so that the inner sleeve 19 of the bushing 14 can be accommodated when the bushing 14 is pressed into the bracket 11, and the bushing 14 is pressed into the assembly hole 13 with a predetermined stroke amount. Preferably, the groove 41 is a circular groove, and a circular space is formed between the inner sleeve positioning pin 5 and the inner side surface of the groove 41, so that the inner sleeve 19 can be effectively accommodated. The depth of the groove 41 is greater than or equal to the protruding distance of the inner sleeve 19 from the outer sleeve 17, so that when the bushing 14 is pressed into a position attached to the top surface of the bushing profiling device 4, the groove 41 can provide a moving avoidance space for the inner sleeve 19, and the bushing 14 can meet the assembly requirement.

An angular positioning pin 6 is provided on the top surface of the bushing profiling 4 as shown in fig. 3 and 4. The angle locating pin 6 is used for being matched with the hollow 16 of the bushing 14 to limit the bushing 14 to rotate, so that the bushing 14 is fixed on the bushing profiling device 4 in a locating mode at a preset angle. After the bushing 14 is pressed down into the assembly hole 13, the bushing 14 and the bracket 11 can be assembled together at a predetermined angle, so as to meet the use requirement after assembly. Wherein, at the specific position of the bushing profiling device 4, a certain number and arrangement of angle positioning pins 6 can be arranged according to the shape of the hollowed-out parts 16, thereby realizing the fixation of a preset angle.

In summary, the angular positioning pin 6, the bushing profiling device 4 and the inner sleeve positioning pin 5 are matched with each other to realize the installation and positioning of the bushing 14, the central hole 15 is inserted into the inner sleeve positioning pin 5, the bushing profiling device 4 is designed according to the outer diameter size of the bushing, and the angular positioning pin 6 is inserted into the hollow 16 in the rubber layer 18, so that the angular position of the bushing 14 is ensured to be correct.

When the hollow 16 is irregularly shaped with a plurality of different ends, the bushing 14 can be prevented from rotating by providing the bushing profiling apparatus 4 with a plurality of angle positioning pins 6 that can be positioned in abutment with the different ends of the hollow 16.

In this embodiment, the angle positioning pin 6 may be disposed on the top surface of the bushing profiling 4 outside the groove 41, and the position is set at an equal angle according to the assembly requirement of the bushing 14. Preferably, all the angular positioning pins 6 are distributed circumferentially on the bushing profiling 4.

The top of the angle locating pin 6 is provided with a guiding structure, which can avoid damaging the rubber layer 18 during the press-fitting process.

In addition, the angle positioning pin 6 can be replaced by a profiling structure with the same shape as the hollow 16. When the profiling structure is arranged at a specific position and is spliced with the hollow 16, the bushing 14 can be fixed at a preset angle, so that the assembly requirement of the subsequent bushing 14 and the bracket 11 is met.

The limit baffle column 7, the bracket locating pin 3, the angle locating pin 6 and the inner sleeve locating pin 5 can be made of common wear-resistant round steel materials with high hardness, so that the requirements on hardness and the like in the press mounting process are met.

The press-fitting tool of the embodiment can be used as a lower die plate in an assembly process, is matched with an upper die plate with a guide cylinder device of a general design, and is used for setting pressure and press-fitting stroke amount according to different types of the bushings 14 and the brackets 11, and pressing the bushings 14 into the brackets 11 at a certain speed.

The specific press-fitting process is as follows: firstly, fixing a press-fit tool on assembly equipment through an installation guide post; then placing the bracket 11 on the positioning seat 2, enabling the bushing profiling device 4 to extend into the assembly hole 13 of the bracket 11, enabling the bracket positioning pin 3 to extend into the assembly hole 12 of the bracket 11, and enabling the limiting baffle column 7 to be abutted on the outer side surface of the bracket 11; then the bushing 14 is placed on the bushing profiling device 4, so that the inner sleeve positioning pin 5 stretches into the central hole 15 of the bushing 14, and the angle positioning pin 6 stretches into the hollow 16 of the bushing 14; finally, a downward force is applied to the upper die plate so that the upper die plate presses the bushing 14 into the assembly hole of the bracket 11, and the bushing 14 is in interference fit with the bracket 11. After the bushing 14 is pressed, the bracket 11 is taken down from the positioning seat 2. After the press fitting is completed, the surface of the press fitting tool and the inside of each groove are maintained regularly, and residual glue, foreign matters and the like are cleaned.

The press fitting tool realizes the installation and positioning of the bracket through the matching of the bracket locating pin and the bushing profiling device, realizes the installation and positioning of the bushing through the matching of the bushing profiling device, the inner sleeve locating pin and the angle locating pin, prevents the bushing from rotating in the press fitting process, and ensures the assembly angle of the bushing. The press-fitting tool can meet the production reliability of the installation requirements of the angle between the bushing and the bracket, is convenient to operate and low in cost, improves the production efficiency, the product qualification rate and the quality consistency in the production process, and meets the performance requirements of the whole vehicle.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A press-fit tooling for a vehicle suspension, the vehicle suspension comprising a bracket (11) and a bushing (14), characterized in that the press-fit tooling comprises:

a base (1);

the positioning seat (2) is arranged on the base (1), and the bracket (11) is placed on the positioning seat (2);

the bracket locating pin (3) is arranged on the base (1) and is positioned on one side of the locating seat (2), and the bracket locating pin (3) is matched with the mounting hole (12) of the bracket (11);

the bushing profiling device (4) is arranged on the positioning seat (2), the outer diameter of the bushing profiling device (4) is smaller than that of the positioning seat (2), and the outer side surface of the bushing profiling device (4) is matched with the assembly hole (13) of the bracket (11);

the inner sleeve positioning pin (5) is arranged at the center of the bushing profiling device (4), and the inner sleeve positioning pin (5) is matched with a center hole (15) of the bushing (14);

the at least two angle locating pins (6) are arranged on the bushing profiling device (4), and all the angle locating pins (6) are matched with the end parts of the hollowed-out parts (16) of the bushing (14) to limit the rotation of the bushing (14).

2. The press-fit tool according to claim 1, further comprising a limiting stop post (7) disposed on the base (1), wherein the limiting stop post (7) abuts against an outer side surface of the bracket (11).

3. The press-fitting tool according to claim 1, wherein a positioning plate (8) is convexly arranged on the top surface of the positioning seat (2), the positioning plate (8) and the outer side surface of the bushing profiling device (4) form profiling grooves (9) with openings at two ends, and the profiling grooves (9) are matched with a part of the bracket (11) with an assembly hole (13) side.

4. A press-fitting tool as claimed in claim 3, wherein the profiling groove (9) is a semicircular groove.

5. A press-fitting tool according to claim 3, wherein the positioning plate (8) is provided on a side of the positioning seat (2) remote from the bracket positioning pin (3).

6. Press-fit tooling according to claim 1, characterized in that the outer diameter of the bushing profiling (4) is adapted to the outer diameter of the bushing (14).

7. The press-fitting tool according to claim 1, wherein the top surface of the bushing profiling device (4) is recessed downward to form a groove (41), the inner sleeve positioning pin (5) is fixed in the groove (41), and the angle positioning pin (6) is arranged on the top surface of the bushing profiling device (4) outside the groove (41).

8. The press-fit tool according to claim 1, wherein the bracket positioning pin (3) comprises a supporting portion (31) and a guiding portion (32), the guiding portion (32) is located above the supporting portion (31), and the guiding portion (32) is matched with the mounting hole (12) of the bracket (11).

9. The press-fit tooling according to claim 1, further comprising a plurality of mounting posts (10) mounted on the base (1), the plurality of mounting posts (10) being cooperatively connected with an assembly device.

10. The press-fitting tool according to claim 2, wherein the number of the bracket positioning pins (3), the number of the limit stop posts (7) and the number of the angle positioning pins (6) are two, the two limit stop posts (7) are abutted against different sides of the bracket (11), and the two angle positioning pins (6) are distributed along the circumferential direction.

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