Automobile arm body press fitting tool

Abstract

The utility model discloses an automobile arm body press fitting tool which comprises a base, a tail end supporting assembly, an elastic supporting assembly, an open gear limiting assembly and a press fitting assembly, and the tail end supporting assembly, the elastic supporting assembly, the open gear limiting assembly and the press fitting assembly are all arranged on the base. The elastic supporting assembly is used for positioning and supporting the lining end and the lining of the control arm, the tail end supporting assembly and the elastic supporting assembly are arranged at intervals and used for positioning and supporting the end, away from the lining end, of the control arm, and the gear opening limiting assembly is arranged on the side, away from the tail end supporting assembly, of the elastic supporting assembly and used for guaranteeing the gear opening size of the control arm. The elastic supporting assembly is located between the base and the press-fitting assembly, and the press-fitting assembly is connected with external press-fitting equipment and used for press-fitting of the control arm and the lining. According to the automobile arm body press fitting tool, the height of a lining of a sample piece is not affected after press fitting, and the opening size of an automobile control arm can be guaranteed.

Description

Technical Field

[0001] The utility model relates to a press-fitting tool for an automobile arm body, and belongs to the technical field of press-fitting of automobile parts. Background Art

[0002] Since the new century, the automobile market has continued to develop, and automobile sales have increased year by year. Automobile chassis control arms are indispensable components. As the guiding and force transmission element of the automobile suspension system, the control arm transmits various forces acting on the wheel to the body, while ensuring that the wheel moves along a certain trajectory. Whether the bushing on the control arm is pressed or not will affect the overall service life of the car and the life safety of the driver. Automobile control arms often need to press-fit bushings. The usual operation is to clamp the block micro-integral shape. After pressing, the bushing height is prone to asymmetry, and the edge of the sample is lifted, resulting in unqualified opening size. The risk is relatively high, and it is necessary to add a 100% full inspection process to prevent it. Therefore, there is an urgent need for a press-fit tool that does not affect the height of the sample bushing after pressing and ensures the opening size. Utility Model Content

[0003] The technical problem to be solved by the utility model is that after the existing automobile control arm is pressed and installed with a bushing, the bushing height is easily asymmetric and the edge of the sample is lifted, resulting in unqualified opening size, which affects the life and safety of the whole vehicle.

[0004] In order to solve the above technical problems, the utility model provides a vehicle arm body press-fitting tool, which does not affect the height of the sample bushing after press-fitting and can ensure the opening size of the vehicle control arm.

[0005] In order to achieve the above technical objectives and the above technical effects, this application is implemented through the following technical solutions:

[0006] A pressing tool for an automobile arm, comprising a base, an end support assembly, an elastic support assembly, an opening limit assembly and a pressing assembly, wherein the end support assembly, the elastic support assembly, the opening limit assembly and the pressing assembly are all arranged on the base, the elastic support assembly is used for positioning and supporting the bushing end of the control arm and the bushing, the end support assembly and the elastic support assembly are arranged at intervals for positioning and supporting the end of the control arm away from the bushing end, the opening limit assembly is arranged on the side of the elastic support assembly away from the end support assembly, and is used to ensure the opening size of the control arm, the elastic support assembly is located between the base and the pressing assembly, and the pressing assembly is connected to an external pressing device for pressing the control arm and the bushing.

[0007] Preferably, the elastic support assembly includes a support, a spring locating pin and a bushing guide pin, the spring locating pin is arranged in the support, the control arm bushing end is sleeved outside the spring locating pin, and the bushing guide pin is coaxially arranged on the spring locating pin body.

[0008] Furthermore, the opening limit assembly includes a mounting plate, a telescopic cylinder and an opening profile limit block, the mounting plate is detachably arranged on the support, the telescopic cylinder is arranged on the mounting plate, the opening profile limit block is arranged on the telescopic rod of the telescopic cylinder, and the telescopic cylinder is used to drive the opening profile limit block to extend into or out of the opening position of the control arm.

[0009] Furthermore, a plurality of signal sensing components are provided on the mounting plate, and the signal sensing components are used to sense whether there is a bushing on the elastic support assembly.

[0010] Furthermore, the press-fitting assembly includes an upper press block, a guide tube, a guide column and a pressure head. The upper press block is arranged above the support for connecting an external press-fitting device. The pressure head is arranged on the side of the upper press block facing the support and is coaxially arranged with the bushing guide pin. There are multiple corresponding guide tubes and guide columns. The guide tube is arranged on the side of the upper press block facing the support, the guide column is arranged on the base, and the guide tube is plugged into the guide column.

[0011] Furthermore, a plurality of height limiting blocks are arranged on the base, the guide pillars are arranged on the height limiting blocks, and the height limiting blocks are used to limit the minimum pressing height of the pressing head.

[0012] Preferably, the end support assembly includes a support block, a positioning pin mounting block, a control arm support and a positioning pin, the positioning pin mounting block is fixedly arranged on the upper surface of the support block, the positioning pin is arranged on the upper surface of the positioning pin mounting block and at least one positioning pin is arranged, and at least one control arm support is arranged corresponding to the positioning pin, the positioning pin passes through the control arm support and extends out of the control arm support at one end away from the positioning pin mounting block.

[0013] The automobile arm press-fitting tool provided by the utility model has the following advantages:

[0014] The utility model discloses a vehicle arm body pressing tool, which can realize the positioning and placement of the control arm and the bushing through the cooperation of the end support component and the elastic support component. During the pressing, the opening profile limit block of the opening limit component extends into the crotch of the control arm to ensure the opening size of the control arm and reduce the quality cost. The height limit block on the base is used to control the minimum pressing height of the pressure head and cooperates with the limit of the end support component and the elastic support component to ensure that the height of the bushing after the pressing is not affected. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is an axial side schematic diagram of the overall structure of a vehicle arm press-fitting tooling mainly embodied in the utility model;

[0016] Figure 2 This is a partial structural schematic diagram of the structure of the opening and limiting assembly in a vehicle arm press-fitting tooling;

[0017] Figure 3 It is a schematic diagram of the assembly of the automobile arm press-fitting tooling of the utility model;

[0018] In the figure:

[0019] 1-base; 11-bottom plate one; 12-bottom plate two; 13-bottom plate reinforcement plate; 2-end support assembly; 21-support block; 22-locating pin mounting block; 23-control arm support; 24-locating pin; 3-elastic support assembly; 31-support; 32-spring locating pin; 33-bushing guide pin; 4-gear opening limit assembly; 41-mounting plate; 42-telescopic cylinder; 43-gear opening contour limit block; 5-pressing assembly; 51-upper pressure block; 52-guide tube; 53-guide column; 54-pressing head; 6-pressing plate; 7-signal sensing component; 8-height limit block. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technical personnel in the field without creative work are within the scope of protection of the present utility model.

[0021] Reference Figure 1 and Figure 2 A car arm pressing tool comprises a base 1, wherein the base 1 comprises a bottom plate 11, a bottom plate 12 and a bottom plate reinforcing plate 13, wherein the bottom plate 11 and the bottom plate 12 are welded and fixed, and two bottom plate reinforcing plates 13 are symmetrically arranged, and the two bottom plate reinforcing plates 13 are welded and fixed on the upper surfaces of the bottom plate 11 and the bottom plate 12 to improve the overall structural strength of the base 1.

[0022] Reference Figure 1-Figure 3 , a car arm pressing tool, also includes an end support component 2, an elastic support component 3, an opening limit component 4 and a pressing component 5, the end support component 2, the elastic support component 3, the opening limit component 4 and the pressing component 5 are all installed on the base 1, specifically, the elastic support component 3 is installed on the bottom plate 12 for positioning and supporting the bushing end of the control arm and the bushing, the end support component 2 is installed on the upper surface of the bottom plate 11 away from the bottom plate 12 and is spaced apart from the elastic support component 3, for positioning and supporting the end of the control arm away from the bushing end, the opening limit component 4 is installed on the side of the elastic support component 3 away from the end support component 2, for ensuring the opening size of the control arm, the elastic support component 3 is located between the base 1 and the pressing component 5, and the pressing component 5 is connected to an external pressing device for pressing the control arm and the bushing.

[0023] Reference Figure 1 and Figure 2 In a further embodiment, the elastic support assembly 3 includes a support 31, a spring locating pin 32 and a bushing guide pin 33. In a feasible embodiment, the support 31 can be a seat body of any shape. In this embodiment, the support 31 is preferably a circular seat body. The spring locating pin 32 is coaxially inserted and fixed in the support 31, and the pin body of the spring locating pin 32 is located on the side of the support 31 away from the bottom plate 12 and extends out of the support 31. Before the press-fitting operation, the control arm bushing end is sleeved outside the spring locating pin 32 to position the control arm bushing end, and the bushing guide pin 33 is coaxially welded and fixed on the pin body of the spring locating pin 32 for positioning the bushing.

[0024] Reference Figure 1-Figure 3 In a further embodiment, the opening limit assembly 4 includes a mounting plate 41, a telescopic cylinder 42 and an opening profile limit block 43. A circular pressure plate 6 is coaxially fixedly installed on the upper surface of the support 31 by bolts. The spring positioning pin 32 extends out of the pressure plate 6. The mounting plate 41 is clamped and fixed between the pressure plate 6 and the upper surface of the support 31. The telescopic cylinder 42 is fixedly installed on the mounting plate 41 by bolts. The opening profile limit block 43 is fixed on the telescopic rod of the telescopic cylinder 42. The telescopic cylinder 42 is used to drive the opening profile limit block 43 to extend into or out of the opening of the control arm. When pressed, the opening profile limit block 43 extends into the opening of the control arm to ensure the opening size of the control arm.

[0025] In a further embodiment, a plurality of signal sensing components 7 are installed on the mounting plate 41. In this embodiment, there are preferably two signal sensing components 7, which are symmetrically mounted on the upper surface of one side of the mounting plate 41 close to the support 31. The support 31 is located between the two signal sensing components 7. When the signal sensing component 7 is pressed, it senses whether there is a bushing on the support 31 through a signal spotlight. If there is no bushing, the tooling will not respond. If there is a bushing, it will be pressed normally. The signal sensing component 7 can be an infrared sensor. The sensing principle and signal transmission method are existing technologies and will not be elaborated on.

[0026] Reference Figure 1-Figure 3 In a further embodiment, the press-fitting assembly 5 includes an upper press block 51, a guide tube 52, a guide column 53 and a pressure head 54. The upper press block 51 is arranged above the support 31 for connecting an external press-fitting device. The pressure head 54 is welded and fixed on the side of the upper press block 51 facing the support 31 and is coaxially arranged with the bushing guide pin 33. The pressure head 54 plays a role of pressing during press-fitting. A plurality of guide tubes 52 and guide columns 53 are correspondingly installed. The guide tube 52 is welded and fixed on the side of the upper press block 51 facing the support 31. The guide column 53 is welded and fixed on the upper surface of the bottom plate 12. The guide tube 52 is plugged into the guide column 53, thereby guiding the pressing of the pressure head 54, making the pressing process more stable, and at the same time avoiding the possibility of the bushing and the control arm being offset during the pressing process to affect the pressing effect.

[0027] In a further embodiment, a plurality of height limit blocks 8 are welded and fixed on the base 1 , the number of the height limit blocks 8 corresponds to the number of the guide pillars 53 , the guide pillars 53 are welded and fixed on the height limit blocks 8 , and the height limit blocks 8 are used to limit the minimum pressing height of the pressure head 54 .

[0028] Reference Figure 1-Figure 3 In a further embodiment, the end support assembly 2 includes a support block 21, a locating pin mounting block 22, a control arm support 23 and a locating pin 24. The locating pin mounting block 22 is welded and fixed on the upper surface of the support block 21, and the locating pin 24 is welded and fixed on the upper surface of the locating pin mounting block 22 and is provided with at least one. The control arm support 23 is provided with at least one corresponding locating pin 24. The locating pin 24 passes through the control arm support 23 and extends out of the control arm support 23 at one end away from the locating pin mounting block 22. The locating pin 24 is used to position the control arm, and the control arm support 23 is used to support the control arm. The operation is simple and the parts are easy to remove. In this embodiment, two locating pins 24 are symmetrically arranged, so that the pressing tooling of the utility model can be applied to the left and right control arms of the automobile at the same time, thereby improving the work efficiency and the adaptability of the tooling.

[0029] The above is only a preferred embodiment of the utility model, and is not any formal or substantial limitation of the utility model. It should be pointed out that ordinary technicians in this technical field can make some improvements and supplements without departing from the utility model, and these improvements and supplements should also be regarded as the protection scope of the utility model. Any technician familiar with this profession can make some changes, modifications and equivalent changes made by using the technical content disclosed above without departing from the spirit and scope of the utility model, which are all equivalent embodiments of the utility model; at the same time, any changes, modifications and evolutions of any equivalent changes made to the above embodiments based on the essential technology of the utility model are still within the scope of the technical solution of the utility model.

Claims

1. A press-fit tool for automobile arm body, It is characterized in that The invention comprises a base (1), an end support component (2), an elastic support component (3), an opening limit component (4) and a press-fit component (5); the end support component (2), the elastic support component (3), the opening limit component (4) and the press-fit component (5) are all arranged on the base (1); the elastic support component (3) is used for positioning support between the bushing end of the control arm and the bushing; the end support component (2) and the elastic support component (3) are arranged at intervals for positioning support at one end of the control arm away from the bushing end; the opening limit component (4) is arranged on a side of the elastic support component (3) away from the end support component (2) for ensuring the opening size of the control arm; the elastic support component (3) is located between the base (1) and the press-fit component (5); the press-fit component (5) is connected to an external press-fit device for press-fitting the control arm and the bushing.

2. The automobile arm press-fitting tool as claimed in claim 1, It is characterized in that The elastic support assembly (3) comprises a support (31), a spring positioning pin (32) and a bushing guide pin (33); the spring positioning pin (32) is arranged in the support (31); the control arm bushing end is sleeved outside the spring positioning pin (32); and the bushing guide pin (33) is coaxially arranged on the pin body of the spring positioning pin (32).

3. The automobile arm press-fitting tool as claimed in claim 2, It is characterized in that The opening and limiting assembly (4) comprises a mounting plate (41), a telescopic cylinder (42) and an opening and limiting block (43); the mounting plate (41) is detachably mounted on the support (31); the telescopic cylinder (42) is mounted on the mounting plate (41); the opening and limiting block (43) is mounted on a telescopic rod of the telescopic cylinder (42); the telescopic cylinder (42) is used to drive the opening and limiting block (43) to extend into or out of the opening position of the control arm.

4. The automobile arm press-fitting tool as claimed in claim 3, It is characterized in that A plurality of signal sensing components (7) are arranged on the mounting plate (41), and the signal sensing components (7) are used to sense whether a bushing is present on the elastic support assembly (3).

5. The automobile arm press-fitting tool as claimed in claim 2, It is characterized in that The press-fitting assembly (5) comprises an upper press block (51), a guide tube (52), a guide column (53) and a press head (54); the upper press block (51) is arranged above the support (31) for connecting an external press-fitting device; the press head (54) is arranged on the side of the upper press block (51) facing the support (31) and is coaxially arranged with the bushing guide pin (33); a plurality of guide tubes (52) and guide columns (53) are arranged correspondingly; the guide tube (52) is arranged on the side of the upper press block (51) facing the support (31); the guide column (53) is arranged on the base (1); and the guide tube (52) is plugged into the guide column (53).

6. The automobile arm press-fitting tool as claimed in claim 5, It is characterized in that A plurality of height limiting blocks (8) are arranged on the base (1), the guide column (53) is arranged on the height limiting block (8), and the height limiting block (8) is used to limit the minimum pressing height of the pressing head (54).

7. The automobile arm press-fitting tool as claimed in claim 1, It is characterized in that The end support assembly (2) comprises a support block (21), a positioning pin mounting block (22), a control arm support (23) and a positioning pin (24); the positioning pin mounting block (22) is fixedly arranged on the upper surface of the support block (21); at least one positioning pin (24) is arranged on the upper surface of the positioning pin mounting block (22); at least one control arm support (23) is arranged corresponding to the positioning pin (24); the positioning pin (24) passes through the control arm support (23) and extends out of the control arm support (23) at one end away from the positioning pin mounting block (22).

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