Assembly tool for rear axle

Abstract

The utility model relates to the field of assembly tools, in particular to an assembly tool for a rear axle. The assembly tool comprises a base; the bottom plate positioning structure comprises a step plate mounted on the base and a positioning pin which is mounted on the step plate and is suitable for being matched with a positioning hole of the bottom plate; the stepped disc comprises a first step matched with the through hole in the bottom plate and a second step for mounting the positioning pin; the side plate positioning structure is suitable for abutting against the left side plate, the right side plate and the rear side plate; the sleeve positioning structure is connected with the side plate positioning structure and abuts against the sleeve; the end positioning structure comprises a positioning seat mounted on the base, an abutting plate mounted on the positioning seat and suitable for abutting against the end plate, and a pressing plate mounted on the positioning seat and suitable for abutting against the upper portion of the top plate. According to the assembly tool for the rear axle, all plates and sleeves on the rear axle can be conveniently positioned, the positioning precision is guaranteed, and the assembly difficulty is reduced.

Description

Technical Field

[0001] This utility model relates to the field of assembly tooling, and more specifically to an assembly tooling for a rear axle. Background Technology

[0002] Assembly tooling, as the name suggests, is used to assemble multiple parts or components into a whole by clamping them together.

[0003] like Figure 1 As shown, a rear axle exists, comprising a base plate 200, a left side plate 201 mounted on the base plate 200, a right side plate 202 arranged opposite to the left side plate 201, and a rear side plate 203 mounted on the base plate 200. A sleeve 204, an end plate 205, and a top plate 206 are provided between the left side plate 201 and the right side plate 202; the end plate 205 is arranged opposite to the rear side plate 203; a through hole is formed in the base plate 200, and positioning holes are formed circumferentially along the through hole. This rear axle is composed of multiple plates and sleeves, and the positioning of each plate and sleeve is difficult, requiring high precision in assembly and presenting a high assembly challenge.

[0004] Therefore, a new technical solution is needed in this field to solve the above problems. Summary of the Invention

[0005] To improve or solve the technical problem in the prior art where the rear axle is composed of multiple plates and sleeves, making it difficult to position each part, this utility model provides an assembly fixture for a rear axle. The assembly fixture includes: a base; a base plate positioning structure, including a stepped plate mounted on the base and a positioning pin mounted on the stepped plate and adapted to mate with positioning holes in the base plate; the stepped plate includes a first step mates with through holes in the base plate and a second step for mounting the positioning pin; a side plate positioning structure, mounted on the base and adapted to abut against the left side plate, right side plate, and rear side plate; a sleeve positioning structure connected to the side plate positioning structure and abutting against the sleeve; and an end positioning structure, including a positioning seat mounted on the base, an abutment plate mounted on the positioning seat and adapted to abut against the end plate, and a pressure plate mounted on the positioning seat and adapted to abut against the top plate.

[0006] This utility model relates to a rear axle assembly fixture, comprising a base, a base plate positioning structure, a side plate positioning structure, a sleeve positioning structure, and an end positioning structure. The base is used to mount the aforementioned structures. The base plate positioning structure includes a stepped plate and a positioning pin. The stepped plate has a first step and a second step. The first step mates with a through hole on the base plate, and the positioning pin mates with a positioning hole on the base plate, enabling positioning of the base plate. The second step provides support for the base plate. The side plate positioning structure abuts against the left, right, and rear side plates, enabling positioning of these plates. The sleeve positioning structure abuts against the sleeve, enabling positioning and clamping of the sleeve. The end positioning structure includes a positioning seat, an abutment plate, and a pressure plate. The positioning seat is used to mount the abutment plate and the pressure plate. The abutment plate abuts against the end plate, pressing the end plate against the left and right side plates, thus positioning the end plate. The pressure plate abuts against the top plate, pressing the top plate above the left and right side plates, thereby positioning the top plate. With the above-mentioned setup, the assembly tooling for the rear axle of this utility model can conveniently position the various plates and sleeves on the rear axle, ensuring positioning accuracy and reducing assembly difficulty.

[0007] Furthermore, the abutment plate includes a supporting portion that abuts against the lower end face of the end plate, and an abutting portion that abuts against the side of the end plate away from the rear side plate.

[0008] Furthermore, the side plate positioning structure includes a first positioning plate, a second positioning plate arranged opposite to the first positioning plate, and a positioning frame arranged between the first positioning plate and the second positioning plate; the left side plate is arranged between the first positioning plate and the positioning frame, and the right side plate is arranged between the second positioning plate and the positioning frame.

[0009] Furthermore, positioning blocks are provided on the side of the first positioning plate facing the second positioning plate and on the side of the second positioning plate facing the first positioning plate.

[0010] Furthermore, the sleeve positioning structure includes a positioning shaft that mates with the sleeve and an end that is detachably connected to the positioning shaft; a positioning sleeve is provided between the first positioning plate and the sleeve, and between the second positioning plate and the sleeve.

[0011] Furthermore, the positioning frame includes a first limiting plate abutting against the left side plate, a second limiting plate abutting against the right side plate, and a connecting post connecting the first limiting plate and the second limiting plate; the first limiting plate and the second limiting plate abut against the rear side plate.

[0012] Furthermore, a third limiting plate is provided on the side of the positioning frame away from the rear side plate, and the third limiting plate abuts against the side of the left side plate and the right side plate away from the end positioning structure.

[0013] In summary, compared with the prior art, this utility model has the following beneficial effects:

[0014] (1) The base plate positioning structure includes a stepped plate and a positioning pin. The stepped plate includes a first step and a second step. The first step matches the through hole on the base plate, and the positioning pin matches the positioning hole on the base plate, which can position the base plate. The second step can support the base plate.

[0015] (2) The end positioning structure includes a positioning seat, an abutment plate and a pressure plate. The abutment plate abuts against the end plate and can press the end plate onto the left and right side plates to position the end plate. The pressure plate abuts against the top plate and can press the top plate onto the left and right side plates to position the top plate. Attached Figure Description

[0016] The preferred embodiments of this utility model are described below with reference to the accompanying drawings, in which:

[0017] Figure 1 This is a schematic diagram of the rear axle;

[0018] Figure 2 This is a schematic diagram of an embodiment of the assembly tooling for rear axles according to the present invention;

[0019] Figure 3 This is a schematic diagram of the assembly tooling for the rear axle of this utility model and the assembly of the rear axle.

[0020] List of reference numerals in the attached drawings: 1. Base; 2. Base plate positioning structure; 21. Stepped plate; 22. Positioning pin; 23. First step; 24. Second step; 25. Third step; 3. Side plate positioning structure; 31. First positioning plate; 32. Second positioning plate; 33. Positioning frame; 331. First limiting plate; 332. Second limiting plate; 333. Connecting column; 34. Positioning block; 35. Third limiting plate; 4. Sleeve positioning structure; 41. Positioning shaft; 42. End; 43. Positioning sleeve; 5. End positioning structure; 51. Positioning seat; 52. Abutment plate; 521. Support part; 522. Abutment part; 53. Pressure plate; 200. Base plate; 201. Left side plate; 202. Right side plate; 203. Rear side plate; 204. Sleeve; 205. End plate; 206. Top plate. Detailed Implementation

[0021] Preferred embodiments of the present invention will now be described with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are merely illustrative of the technical principles of the present invention and are not intended to limit the scope of protection of the present invention.

[0022] It should be noted that in the description of this utility model, the terms "upper," "lower," "left," "right," "inner," and "outer," which indicate directional or positional relationships, are based on the directional or positional relationships shown in the accompanying drawings. These are merely for ease of description and do not indicate or imply that the device or element must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0023] Furthermore, it should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "setting," and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection, an indirect connection through an intermediate medium, or a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0024] In order to improve or solve the technical problem that the rear axle is composed of multiple plates and sleeves in the prior art, making it difficult to position each part, this utility model provides an assembly tooling for the rear axle. The tooling assembly includes: a base 1; a base plate positioning structure 2, including a stepped plate 21 mounted on the base 1 and a positioning pin 22 mounted on the stepped plate 21 and adapted to mate with a positioning hole in the base plate 200; the stepped plate 21 includes a first step 23 that mates with a through hole in the base plate 200 and a second step 24 for mounting the positioning pin 22; a side plate positioning structure 3, mounted on the base 1 and adapted to abut against the left side plate 201, the right side plate 202 and the rear side plate 203; a sleeve positioning structure 4, connected to the side plate positioning structure 3 and abutting against the sleeve 204; and an end positioning structure 5, including a positioning seat 51 mounted on the base 1, an abutting plate 52 mounted on the positioning seat 51 and adapted to abut against the end plate 205, and a pressure plate 53 mounted on the positioning seat 51 and adapted to abut against the top plate 206.

[0025] Figure 2 This is a schematic diagram of an embodiment of the assembly tooling for rear axles according to this utility model. Figure 3 This is a schematic diagram of the assembly tooling for the rear axle according to this utility model, and its application in rear axle assembly. Figure 2 and Figure 3 As shown, in one or more embodiments, the assembly tooling for the rear axle of this utility model includes a base 1, a base plate positioning structure 2, a side plate positioning structure 3, a sleeve positioning structure 4, and an end positioning structure 5.

[0026] See also Figure 2 and Figure 3The base 1 is roughly rectangular and table-shaped. A base plate positioning structure 2 is located in the middle of the base 1. In one or more embodiments, the base plate positioning structure 2 includes a stepped plate 21 mounted on the base 1 and positioning pins 22 mounted on the stepped plate 21. Specifically, a mounting plate is provided between the stepped plate 21 and the base 1, and the mounting plate is fixedly connected to the base 1 by bolts. The mounting plate is roughly rectangular, with bolts located near the four corners of the mounting plate. Further, the stepped plate 21 includes a first step 23 that mates with a through hole on the base plate 200, and a second step 24 for mounting the positioning pins 22. The base plate 200 is fitted around the circumferential outer side of the first step 23, and its bottom surface abuts against the second step 24. Specifically, the stepped plate 21 also includes a third step 25 arranged between the second step 24 and the mounting plate, the third step 25 for mounting the stepped plate 21 onto the mounting plate. Bolts are provided on the third step 25, and the third step 25 is fixedly connected to the mounting plate by bolts. Furthermore, a positioning pin 22 is provided, and extends vertically upward from the second step 24.

[0027] See also Figure 2 and Figure 3 The side plate positioning structure 3 is mounted on the base 1 and arranged around the base plate positioning structure 2. In one or more embodiments, the side plate positioning structure 3 includes a first positioning plate 31, a second positioning plate 32 arranged opposite to the first positioning plate 31, and a positioning frame 33 arranged between the first positioning plate 31 and the second positioning plate 32. The left side plate 201 is arranged between the first positioning plate 31 and the positioning frame 33, the right side plate 202 is arranged between the second positioning plate 32 and the positioning frame 33, and the rear side plate 203 abuts against the front of the positioning frame 33. The first positioning plate 31 and the second positioning plate 32 are symmetrically arranged and have the same structure. Taking the first positioning plate 31 as an example, a mounting plate is provided between the first positioning plate 31 and the base 1, and the mounting plate and the base 1 are fixedly connected by bolts. The first positioning plate 31 and the mounting plate are fixedly connected by welding. A support plate is provided between the first positioning plate 31 and the mounting plate to enhance the structural strength between the first positioning plate 31 and the mounting plate. Furthermore, positioning blocks 34 are provided on the side of the first positioning plate 31 facing the second positioning plate 32 and on the side of the second positioning plate 32 facing the first positioning plate 31. The positioning block 34 installed on the first positioning plate 31 abuts against the left side plate 201, and the positioning block 34 installed on the second positioning plate 32 abuts against the right side plate 202, thereby positioning the left side plate 201 and the right side plate 202 in the left-right direction.

[0028] See also Figure 2 and Figure 3The positioning frame 33 is arranged between the left side plate 201, the right side plate 202, and the bottom plate 200. In one or more embodiments, the positioning frame 33 includes a first limiting plate 331 abutting against the left side plate 201, a second limiting plate 332 arranged opposite to the first limiting plate 331, and a connecting post 333 connecting the first limiting plate 331 and the second limiting plate 332. The first limiting plate 331 and the second limiting plate 332 are symmetrically arranged and have the same structure. Taking the first limiting plate 331 as an example, the side of the first limiting plate 331 facing the left side plate 201 abuts against the left side plate 201, the opposite side is connected to the connecting post 333, the side facing the rear side plate 203 abuts against the rear side plate 203, and the bottom end abuts against the bottom plate 200. Furthermore, a plurality of weight-reducing holes are provided on the first limiting plate 331, with the weight-reducing holes close to the side abutting against the rear side plate 203. Furthermore, two connecting posts 333 are provided, one near the upper end and the other near the lower end of the first limiting plate 331. A third limiting plate 35 is provided on the connecting post 333 near the lower end of the first limiting plate 331. The third limiting plate 35 abuts against the side of the first limiting plate 331 and the second limiting plate 332 away from the rear side plate 203, and also abuts against the side of the left side plate 201, the right side plate 202, and the bottom plate 200 away from the end positioning structure 5. Thus, with the bottom plate 200 as the reference, the left side plate 201, the right side plate 202, and the rear side plate 203 are positioned in the front-back direction and the left-right direction.

[0029] See also Figure 2 and Figure 3 The sleeve positioning structure 4 is mounted on the side plate positioning structure 3. In one or more embodiments, the sleeve positioning structure 4 includes a positioning shaft 41 mounted on a first positioning plate 31 and a second positioning plate 32, and an end 42 detachably connected to the positioning shaft 41. Specifically, through holes are provided on both the first positioning plate 31 and the second positioning plate 32. One end of the positioning shaft 41 forms a limiting ring, and the other end is provided with a threaded portion that forms a threaded engagement with the end 42. The positioning shaft 41 passes through the first positioning plate 31 and the second positioning plate 32 and is connected to the end 42. The limiting ring abuts against the first positioning plate 31, and the end 42 abuts against the second limiting plate 332. The sleeve 204 is sleeved on the circumferential outer side of the positioning shaft 41, thereby positioning the sleeve 204 in the vertical and front-back directions. Further, a positioning sleeve 43 is sleeved on the circumferential outer side of the positioning shaft 41. Two positioning sleeves 43 are provided. One of them abuts against the first positioning plate 31 and the sleeve 204 at both ends, and the other abuts against the second positioning plate 32 and the sleeve 204, thereby positioning the sleeve 204 in the left and right directions.

[0030] See also Figure 2 and Figure 3The end positioning structure 5 is mounted on the base 1 and arranged opposite to the positioning frame 33. In one or more embodiments, the end positioning structure 5 includes a positioning seat 51 mounted on the base 1, and an abutment plate 52 and a pressure plate 53 mounted on the positioning seat 51. The abutment plate 52 abuts against the end plate 205, and the pressure plate 53 abuts against the top plate 206. Specifically, the positioning seat 51 is bolted to the base 1 and includes two uprights and a crossbar connecting the uprights. The abutment plate 52 is arranged on the side of the positioning seat 51 facing the positioning frame 33, and its two ends are respectively fixed to the two uprights. Further, the abutment plate 52 is generally L-shaped and has a supporting portion 521 and an abutment portion 522. The supporting part 521 abuts against the lower end face of the end plate 205, supporting the end plate 205 and positioning it vertically. The abutting plate 52 abuts against the side of the end plate 205 opposite to the rear side plate 203, positioning it front-back. Furthermore, a mounting block is provided on the column, and the pressure plate 53 is mounted on the column via the mounting block. The upper side of the top plate 206 abuts against the pressure plate 53, and the lower side abuts against the left side plate 201 and the right side plate 202, thereby positioning the top plate 206 vertically. Furthermore, a through hole matching the top plate 206 is provided on the pressure plate 53, thereby positioning the top plate 206 horizontally and front-back.

[0031] The technical solution of this utility model has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the protection scope of this utility model is obviously not limited to these specific embodiments. Without departing from the principle of this utility model, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after such changes or substitutions will all fall within the protection scope of this utility model.

Claims

1. A tooling for assembling rear axles, characterized in that, include: Base (1); The base plate positioning structure (2) includes a stepped plate (21) mounted on the base (1) and a positioning pin (22) mounted on the stepped plate (21) and adapted to mate with a positioning hole in the base plate (200); the stepped plate (21) includes a first step (23) mates with a through hole in the base plate (200) and a second step (24) on which the positioning pin (22) is mounted; The side plate positioning structure (3) is installed on the base (1) and is adapted to abut against the left side plate (201), the right side plate (202) and the rear side plate (203); The sleeve positioning structure (4) is connected to the side plate positioning structure (3) and abuts against the sleeve (204); The end positioning structure (5) includes a positioning seat (51) mounted on the base (1), an abutment plate (52) mounted on the positioning seat (51) and adapted to abut against the end plate (205), and a pressure plate (53) mounted on the positioning seat (51) and adapted to abut against the top plate (206).

2. The mating tooling for rear axles of claim 1, wherein, The abutment plate (52) includes a support portion (521) that abuts against the lower end face of the end plate (205) and an abutment portion (522) that abuts against the side of the end plate (205) away from the rear side plate (203).

3. The mating tooling for rear axles of claim 1, wherein, The side plate positioning structure (3) includes a first positioning plate (31), a second positioning plate (32) arranged opposite to the first positioning plate (31), and a positioning frame (33) arranged between the first positioning plate (31) and the second positioning plate (32); the left side plate (201) is arranged between the first positioning plate (31) and the positioning frame (33), and the right side plate (202) is arranged between the second positioning plate (32) and the positioning frame (33).

4. The mating tooling for rear axles of claim 3, wherein, A positioning block (34) is provided on the side of the first positioning plate (31) facing the second positioning plate (32) and on the side of the second positioning plate (32) facing the first positioning plate (31).

5. The mating tooling for rear axles of claim 3, wherein, The sleeve positioning structure (4) includes a positioning shaft (41) that matches the sleeve (204) and an end (42) that is detachably connected to the positioning shaft (41); a positioning sleeve (43) is provided between the first positioning plate (31) and the sleeve (204) and between the second positioning plate (32) and the sleeve (204).

6. The mating tooling for rear axles of claim 3, wherein, The positioning frame (33) includes a first limiting plate (331) abutting against the left side plate (201), a second limiting plate (332) abutting against the right side plate (202), and a connecting post (333) connecting the first limiting plate (331) and the second limiting plate (332); the first limiting plate (331) and the second limiting plate (332) abut against the rear side plate (203).

7. The mating tooling for rear axles of claim 6, wherein, The positioning frame (33) is provided with a third limiting plate (35) on the side away from the rear side plate (203), and the third limiting plate (35) abuts against the side of the left side plate (201) and the right side plate (202) away from the end positioning structure (5).

Images