New energy reducer shell machining positioning clamp
By designing a rotating positioning stage and a limiting block to work together, the problem of inaccurate workpiece rotation positioning in the new energy shell reduction process was solved, and efficient and precise bearing hole processing was achieved.
Patent Information
- Application Number
- CN202520192690.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-07
- Publication Date
- 2026-03-06
- Estimated Expiration
- 2035-02-07
AI Technical Summary
In the current new energy shell reduction process, the workpiece needs to be repositioned when it rotates 180°, which results in long alignment time, large errors, and affects coaxiality and processing efficiency.
A new energy shell reduction machining positioning fixture was designed, which includes a rotating positioning table, a supporting power box and a rotating motor, to realize the forward and reverse rotation of the workpiece within a 180-degree range. Combined with the precision positioning of limit blocks and buffer blocks, the machining accuracy and efficiency are ensured.
This technology enables the boring of two bearing holes in a single workpiece clamping operation, improving machining accuracy and efficiency, reducing errors, and enhancing coaxiality.
Smart Images
Figure CN223971237U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of positioning fixtures, specifically, it relates to a positioning fixture for new energy shell reduction processing. Background Technology
[0002] The differential housing of a new energy vehicle's rear axle reducer refers to the housing of the differential. This housing features a double-bearing seat structure. During the machining of this structure, high coaxiality is required. The bearing holes on the housing are typically machined using boring. However, significant boring bar elongation can cause substantial vibration, affecting the boring accuracy. Therefore, in actual machining, after boring one side of the bearing seat structure, the workpiece is usually rotated 180° before boring the other side. This rotation requires hoisting and repositioning, which takes a considerable amount of time and affects machining efficiency. Furthermore, the two repositioning processes introduce errors that impact the coaxiality of the double-bearing seat structure.
[0003] In view of this, this utility model is proposed. Utility Model Content
[0004] The technical problem to be solved by this utility model is to overcome the shortcomings of the existing technology and provide a positioning fixture for new energy shell reduction processing. The basic concept of the technical solution adopted by this utility model to solve the above technical problem is as follows:
[0005] A new energy vehicle shell-reducing machining positioning fixture includes a fixed base plate, a rotating support base, and a rotating positioning table. A supporting power box is integrally mounted on the fixed base plate. A rotating positioning table is mounted above the supporting power box and rotatably connected above it. Both ends of the rotating positioning table are provided with a supporting fixed base and a positioning support base. The supporting fixed base has threaded holes. A positioning pin is installed on one end of the positioning support base, and a positioning pin is installed on the other end. A gearbox is installed inside the supporting power box. A rotating motor is located on the side of the gearbox. The output shaft of the gearbox is connected to the rotating shaft via a coupling. The rotating shaft is fixedly connected to the rotating positioning table. A rotating disk is mounted at the lower end of the rotating shaft. Limiting blocks one and two are respectively provided on the outer side of the rotating disk. Buffer blocks one and two are correspondingly provided on the inner top of the supporting power box. Through the cooperation of the positioning blocks and buffer blocks, precise positioning and limiting of the rotation angle are achieved.
[0006] As a further embodiment of this utility model: a fixing stud is provided on the support fixing base, the fixing stud is a double-ended stud structure, and a fixing nut is installed on the fixing stud. The fixing nut and the fixing stud are used to fix the shell on the positioning fixture.
[0007] As a further improvement of this utility model: both the first positioning pin and the second positioning pin are stepped pin structures with a stepped support surface at the bottom. The stepped support surface contacts the shell reduction support surface to effectively support the shell reduction.
[0008] As a further embodiment of this utility model: the first positioning pin and the second positioning pin are arranged diagonally, and a control box is fixedly installed on the outside of the supporting power box. The control box is provided with a forward rotation button and a reverse rotation button, and the control box is used to control the operation of the rotating motor.
[0009] As a further improvement of this utility model: a mating bearing is provided at the mating position between the rotating shaft and the rotating support seat, and the first buffer block and the second buffer block are made of anti-collision buffer material to effectively limit the rotation angle of the rotating disk.
[0010] By adopting the above technical solution, this utility model has the following beneficial effects compared with the prior art.
[0011] The present invention provides a rotary positioning table for the shell reduction machining positioning fixture. The rotary positioning table can rotate in both directions within a range of 180 degrees under the action of a rotary motor, thereby realizing the rotation adjustment of the workpiece being machined. This allows the bearing hole to be machined on the shell to be located at one end close to the boring machine spindle, and the boring of two bearing holes can be completed in one clamping, which can effectively ensure machining accuracy and machining efficiency.
[0012] The present invention has a rotating disk installed on the rotating shaft below the rotating positioning platform. Limiting block one and limiting block two are provided on the outer side of the rotating disk. Buffer block one and buffer block two are provided on the inner top of the supporting power box. Through the cooperation of the positioning block and the buffer block, the precise positioning and limiting of the rotation angle can be achieved.
[0013] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings. Attached Figure Description
[0014] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments and descriptions of the present invention are used to explain the present invention, but do not constitute an undue limitation of the present invention. Obviously, the drawings described below are merely some embodiments; those skilled in the art can obtain other drawings based on these drawings without creative effort. In the drawings:
[0015] Figure 1 This is a schematic diagram of the structure of this utility model;
[0016] Figure 2 This is the front view of the present invention;
[0017] Figure 3 This is a side view of the present invention;
[0018] Figure 4 This is a schematic diagram of the internal structure of the power box supporting this utility model;
[0019] Figure 5 This is a schematic diagram of the layout of the buffer block and the limiting block of this utility model.
[0020] In the diagram: 1. Fixed base plate; 2. Supporting power box; 3. Rotating positioning platform; 4. Supporting fixed seat; 5. Fixed stud; 6. Fixed nut; 7. Positioning pin one; 8. Positioning pin two; 9. Positioning support seat; 10. Stepped support surface; 11. Control box; 12. Rotating support seat; 13. Gearbox; 14. Rotating motor; 15. Rotating disk; 16. Rotating shaft; 17. Matching bearing; 18. Buffer block one; 19. Limit block one; 20. Buffer block two; 21. Limit block two.
[0021] It should be noted that these accompanying drawings and textual descriptions are not intended to limit the scope of the present invention in any way, but rather to illustrate the concept of the present invention to those skilled in the art by referring to specific embodiments. Detailed Implementation
[0022] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate this utility model, but are not intended to limit the scope of this utility model.
[0023] like Figures 1 to 5 As shown, the new energy shell reduction processing positioning fixture includes a fixed base plate 1, a rotating support seat 12, and a rotating positioning table 3. A supporting power box 2 is integrally mounted on the fixed base plate 1. The rotating positioning table 3 is positioned above the supporting power box 2 and rotatably connected above it. Both ends of the rotating positioning table 3 are provided with supporting fixed seats 4 and positioning support seats 9. Threaded holes are machined on the supporting fixed seats 4. A positioning pin 7 is installed on one end of the positioning support seat 9, and a positioning pin 8 is installed on the other end of the positioning support seat 9. The power box 2 is equipped with a gearbox 13. A rotating motor 14 is installed on the side of the gearbox 13. The output shaft of the gearbox 13 is connected to the rotating shaft 16 through a coupling. The rotating shaft 16 is fixedly connected to the rotating positioning table 3. A rotating disk 15 is installed at the lower end of the rotating shaft 16. Limit block 19 and limit block 21 are respectively installed on the outer side of the rotating disk 15. Buffer block 18 and buffer block 20 are respectively installed on the inner top of the power box 2. Through the cooperation of the positioning block and the buffer block, the precise positioning and limiting of the rotation angle are achieved.
[0024] The support base 4 is provided with a fixing stud 5, which is a double-headed stud structure. A fixing nut 6 is installed on the fixing stud 5. The fixing nut 6 and the fixing stud 5 are used to fix the shell on the positioning fixture.
[0025] Both locating pin 1 (7) and locating pin 2 (8) are stepped pin structures with a stepped support surface 10 at the bottom. The stepped support surface 10 contacts the shell reduction support surface to effectively support the shell reduction.
[0026] Positioning pin 7 and positioning pin 8 are arranged diagonally. A control box 11 is fixedly installed on the outside of the power box 2. The control box 11 is equipped with a forward rotation button and a reverse rotation button. The control box 11 is used to control the operation of the rotating motor 14.
[0027] A mating bearing 17 is provided at the mating position between the rotating shaft 16 and the rotating support 12. The first buffer block 18 and the second buffer block 20 are made of anti-collision buffer material to effectively limit the rotation angle of the rotating disk 15.
[0028] The working principle of this utility model is as follows: When boring the new energy shell, the fixed base plate 1 of the positioning fixture is fixed on the side of the worktable of the boring machine near the spindle. The flange surface of the new energy shell is brought into contact with the top surface of the support fixing seat 4. Positioning pin 1 7 and positioning pin 2 8 are engaged with the corresponding pin holes. Then, the shell is fixedly installed on the rotating positioning table 3 by using the fixing stud 5 and fixing nut 6. The bearing hole is bored by the boring tool. After the bearing hole on one side is processed, the rotating motor 14 is adjusted by the button on the control box 11. The rotating motor 14 drives the rotating shaft 16 to rotate through the gearbox 13. The rotating disk 15 on the rotating shaft 16 rotates synchronously. An angular displacement sensor is set on the output shaft of the rotating motor 14 to control the rotation angle. At the same time, the rotating disk 15 is equipped with limit block 1 19 and limit block 2 21 for rotation limit. After rotating 180 degrees, the bearing hole on the other side is processed.
[0029] This novel structural design is reasonable and easy to install and use. The reducing shell machining positioning fixture is equipped with a rotating positioning table 3, which can rotate forward and backward within a range of 180 degrees under the action of the rotating motor 14, thereby realizing the rotation adjustment of the workpiece being machined. This allows the bearing hole to be machined on the reducing shell to be located at one end close to the boring machine spindle, completing the boring of two bearing holes in one clamping, which can effectively ensure machining accuracy and efficiency. A rotating disk 15 is installed on the rotating shaft 16 below the rotating positioning table 3. Limit block 19 and limit block 21 are set on the outer side of the rotating disk 15. Buffer block 18 and buffer block 20 are matched on the inner top of the supporting power box 2. Through the cooperation of the positioning block and the buffer block, the rotation angle is accurately positioned and limited.
[0030] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-described technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.
Claims
1. A new energy shell reduction processing positioning clamp, comprising a fixed bottom plate (1), a rotating support seat (12) and a rotating positioning table (3), characterized in that, The fixed bottom plate (1) is integrally provided with a supporting power box (2), the upper side of the supporting power box (2) is provided with a rotating positioning table (3), the rotating positioning table (3) is rotatably connected, both ends of the rotating positioning table (3) are provided with a supporting fixed seat (4) and a positioning supporting seat (9), the supporting fixed seat (4) is provided with a threaded hole, the positioning supporting seat (9) at one end is provided with a positioning pin (7), the positioning supporting seat (9) at the other end is provided with a positioning pin (8), the supporting power box (2) is provided with a gear box (13), the gear box (13) is provided with a rotating motor (14), the output shaft of the gear box (13) is connected with a rotating shaft (16) through a shaft coupling, the rotating shaft (16) is fixedly connected with the rotating positioning table (3), the lower end of the rotating shaft (16) is provided with a rotating disc (15), the outer side of the rotating disc (15) is provided with a limiting block (19) and a limiting block (21), the inner top of the supporting power box (2) is provided with a buffer block (18) and a buffer block (20).
2. The new energy shell-reducing processing positioning clamp according to claim 1, characterized in that, The supporting fixed seat (4) is provided with a fixed stud (5), the fixed stud (5) is a double-headed stud structure, and the fixed stud (5) is provided with a fixed nut (6).
3. The positioning clamp for new energy shell processing according to claim 2, characterized in that, The positioning pin (7) and the positioning pin (8) are both step pin structures, and the lower part is provided with a step supporting surface (10), and the step supporting surface (10) is in contact with a shell supporting surface.
4. The new energy shell-reducing processing positioning clamp according to claim 3, characterized in that, The positioning pin (7) and the positioning pin (8) are diagonally arranged, the outer side of the supporting power box (2) is fixedly provided with a control box (11), and the control box (11) is provided with a forward rotation button and a reverse rotation button.
5. The new energy shell-reducing processing positioning clamp according to claim 4, characterized in that, The matching position between the rotating shaft (16) and the rotating supporting seat (12) is provided with a matching bearing (17), and the buffer block (18) and the buffer block (20) are made of anti-collision buffer material.