High-precision differential shell machining and positioning tool

Abstract

The utility model relates to the technical field of shell machining, and discloses a high-precision differential shell machining positioning tool which comprises a supporting seat, an operation table is fixedly connected to the upper portion of the supporting seat, a hydraulic cylinder is fixedly connected to the bottom of the supporting seat, and the output end of the hydraulic cylinder is fixedly connected with a rack plate. Rotating shafts are rotatably connected to the interiors of the supporting seat and the operation table, gears are fixedly connected to the bottoms of the rotating shafts, rack plates are connected to one sides of the gears in a meshed mode, a rotating table is fixedly connected to the upper portions of the rotating shafts, connecting rods are fixedly connected to the bottom of the rotating table, and positioning plates are fixedly connected to the bottoms of the connecting rods; the bottom of the positioning plate is fixedly connected with a sliding block. According to the clamping device, the differential mechanism shell can be conveniently driven to rotate, the shell is allowed to be machined from multiple angles, the machining efficiency is improved, the shells of different sizes can be conveniently clamped and fixed, and the machining flexibility is improved.

Description

Technical Field

[0001] This utility model relates to the field of housing processing technology, and in particular to a high-precision differential housing processing positioning fixture. Background Technology

[0002] The high-precision differential housing is a key component of the automotive differential. It has very precise dimensional and shape tolerances to ensure that the differential can work efficiently and accurately. The machining accuracy of the differential housing directly affects the performance of the differential and the safety of vehicle driving. Therefore, the machining of the differential housing requires high-precision positioning and fixing to ensure that the machined parts can meet the strict dimensional and shape tolerance requirements.

[0003] In traditional technology, operators need to manually adjust the fixture to fix the housing in the correct position before processing. This process is time-consuming and labor-intensive, and prone to positioning errors. Due to the complex structure of the differential housing, it needs to be processed from multiple angles. However, existing technologies often lack an effective rotary drive mechanism. Therefore, frequent machine stops are required during processing to manually adjust the position of the housing. This not only increases processing time but also reduces production efficiency. The need for multiple machine stops for adjustment leads to low efficiency in the entire processing process, which cannot meet the modern automotive industry's demand for high-precision and high-efficiency processing. Summary of the Invention

[0004] To overcome the above shortcomings, this utility model provides a high-precision differential housing machining and positioning fixture, which aims to improve the problem that the existing high-precision differential housing machining and positioning fixture is inconvenient to drive the housing to rotate.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a high-precision differential housing machining and positioning fixture, including a support base, an operating table fixedly connected to the upper part of the support base, a hydraulic cylinder fixedly connected to the bottom of the support base, a rack plate fixedly connected to the output end of the hydraulic cylinder, a rotating shaft rotatably connected inside both the support base and the operating table, a gear fixedly connected to the bottom of the rotating shaft, a rack plate meshing with one side of the gear, a turntable fixedly connected to the upper part of the rotating shaft, a connecting rod fixedly connected to the bottom of the turntable, a positioning plate fixedly connected to the bottom of the connecting rod, a slider fixedly connected to the bottom of the positioning plate, a sliding groove opened inside the operating table, and the slider slidably connected inside the sliding groove.

[0006] Furthermore, cylinders are fixedly connected to both outer sides of the operating platform, push blocks are fixedly connected to the output ends of the two cylinders, connecting blocks are fixedly connected to the upper parts of the two push blocks, and clamping assemblies are fixedly connected to the opposite sides of the two connecting blocks. The clamping assemblies are used to clamp and fix the outer shell. One end of a movable support rod is rotatably connected to the inner perimeter of the operating platform, and push blocks are rotatably connected to the other end of the multiple movable support rods.

[0007] Furthermore, the clamping assembly includes mounting plates and clamping elements, with both mounting plates fixedly connected to opposite sides of the two connecting blocks, and clamping elements fixedly connected to opposite sides of both mounting plates.

[0008] Furthermore, both connecting blocks are slidably connected to the inside sides of the operating table, and both mounting plates are slidably connected to the upper part of the operating table.

[0009] Furthermore, both push blocks are slidably connected to the inside sides of the operating table.

[0010] Furthermore, the turntable is rotatably connected to the upper part of the operating table, and multiple clamping components are arranged on both sides of the turntable.

[0011] Furthermore, a limiting rod is fixedly connected inside the support base, and a limiting block is fixedly connected to one side of the rack plate, with the limiting block slidably connected to the outside of the limiting rod.

[0012] This utility model has the following beneficial effects:

[0013] 1. In this utility model, by starting the hydraulic cylinder, the rack plate is driven to move, which drives the limit block to slide along the limit rod, thereby driving the gear and the rotating shaft to rotate, so that the turntable can rotate and realize multi-angle rotation processing of the differential housing, reducing downtime and improving efficiency.

[0014] In this invention, by activating two cylinders, the push block is pushed closer, which drives the movable support rod to rotate, causing the push block to bring the connecting block closer, thereby driving the mounting plate and clamping parts to move, thus achieving clamping and fixing of the shell, which is convenient for clamping shells of different sizes, ensuring processing stability and improving processing flexibility. Attached Figure Description

[0015] Figure 1 The front view of the high-precision differential housing machining and positioning fixture proposed in this utility model;

[0016] Figure 2 Left view of the high-precision differential housing machining and positioning fixture proposed in this utility model;

[0017] Figure 3 A bottom view of the high-precision differential housing machining and positioning fixture proposed in this utility model;

[0018] Figure 4 A schematic diagram of the internal structure of the operating table for the high-precision differential housing machining and positioning fixture proposed in this utility model;

[0019] Figure 5 for Figure 4 Enlarged view of point A in the middle.

[0020] Legend:

[0021] 1. Support base; 2. Operating table; 3. Cylinder; 4. Push block; 5. Movable support rod; 6. Connecting block; 7. Mounting plate; 8. Clamping component; 9. Turntable; 10. Connecting rod; 11. Positioning plate; 12. Slider; 13. Slide groove; 14. Hydraulic cylinder; 15. Rack plate; 16. Limit block; 17. Limit rod; 18. Gear. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Reference Figures 3-5 This utility model provides an embodiment of a high-precision differential housing machining and positioning fixture, including a support base 1, an operating table 2 fixedly connected to the upper part of the support base 1, a hydraulic cylinder 14 fixedly connected to the bottom of the support base 1, a rack plate 15 fixedly connected to the output end of the hydraulic cylinder 14, a rotating shaft rotatably connected inside both the support base 1 and the operating table 2, a gear 18 fixedly connected to the bottom of the rotating shaft, a rack plate 15 meshing with one side of the gear 18, a turntable 9 fixedly connected to the upper part of the rotating shaft, a connecting rod 10 fixedly connected to the bottom of the turntable 9, a positioning plate 11 fixedly connected to the bottom of the connecting rod 10, a slider 12 fixedly connected to the bottom of the positioning plate 11, a sliding groove 13 opened inside the operating table 2, the slider 12 slidably connected inside the sliding groove 13, the turntable 9 rotatably connected to the upper part of the operating table 2, and multiple clamping parts 8 are arranged on both sides of the turntable 9.

[0024] The differential housing to be processed is placed on the upper surface of the turntable 9. Then, the hydraulic cylinder 14 is activated, its output end pushing the rack plate 15 to move along the guide rail. As the rack plate 15 moves, the connected limiting block 16 slides smoothly on the outside of the limiting rod 17. The limiting block 16 is connected to the rack plate 15 and slides on the outside of the limiting rod 17 as the rack plate 15 moves. Its function is to guide and restrict the movement trajectory of the rack plate 15. The limiting rod 17 provides a sliding track for the limiting block 16, ensuring that the limiting block 16 moves smoothly. The stability of the process also limits its range of movement. Under the force of the rack plate 15, the gear 18 and the rotating shaft rotate, which in turn drives the turntable 9 to rotate. The rotation of the turntable 9 further drives the connecting rod 10 and the positioning plate 11 to rotate. The movement of the positioning plate 11 causes the slider 12 to slide smoothly in the slide groove 13. The slide groove 13 provides a movement path for the slider 12, ensuring that the slider 12 can slide smoothly on the predetermined track. Under this precise cooperation, the turntable 9 can flexibly drive the differential housing to rotate.

[0025] Reference Figure 1 , Figure 2 and Figure 4 Cylinders 3 are fixedly connected to both sides of the outer side of the operating table 2. Push blocks 4 are fixedly connected to the output ends of the two cylinders 3. Connecting blocks 6 are fixedly connected to the upper part of the two push blocks 4. Clamping components are fixedly connected to the opposite side of the two connecting blocks 6. The clamping components are used to clamp and fix the outer shell. One end of the movable support rod 5 is rotatably connected to the inner perimeter of the operating table 2. Push blocks 4 are rotatably connected to the other end of the multiple movable support rods 5. The clamping components include mounting plates 7 and clamping parts 8. The two mounting plates 7 are fixedly connected to the opposite side of the two connecting blocks 6. Clamping parts 8 are fixedly connected to the opposite side of the two mounting plates 7. The two connecting blocks 6 are slidably connected to the inner sides of the operating table 2. The two mounting plates 7 are slidably connected to the upper part of the operating table 2. The two push blocks 4 are slidably connected to the inner sides of the operating table 2. Limiting rods 17 are fixedly connected to the inside of the support base 1. Limiting blocks 16 are fixedly connected to one side of the rack plate 15. Limiting blocks 16 are slidably connected to the outside of the limiting rods 17.

[0026] After adjusting the differential housing angle to the optimal position, activate the two cylinders 3. The output ends of these two cylinders 3 will push the two push blocks 4 to move towards the center. As the push blocks 4 approach each other, multiple movable support rods 5 rotate accordingly. The movable support rods 5 transmit the movement of the push blocks 4 through rotation. Their function is to achieve precise action and force transmission, ensuring the synchronous movement of the entire clamping mechanism. Under the synergistic action of the movable support rods 5, the push blocks 4 guide the two connecting blocks 6 to move closer to each other. This process simultaneously drives the movement of the mounting plate 7 and the clamping member 8. The clamping member 8 gradually moves closer to the housing until the housing is firmly fixed.

[0027] Working principle: First, the differential housing to be processed is placed on the upper part of the turntable 9. The hydraulic cylinder 14 is activated, and its output drives the rack plate 15 to move. As the rack plate 15 moves, it causes the limit block 16 to slide outside the limit rod 17. Under the action of the rack plate 15, the gear 18 and the rotating shaft rotate. The rotation of the rotating shaft causes the turntable 9 to rotate. The rotation of the turntable 9 causes the connecting rod 10 and the positioning plate 11 to rotate. The rotation of the positioning plate 11 causes the slider 12 to slide inside the slide groove 13. With the cooperation of the slider 12, the turntable 9 drives the differential housing to rotate for angle adjustment, thus facilitating the rotation of the differential housing. Rotation allows for processing of the housing from multiple angles, reducing downtime and improving efficiency. After adjusting the housing angle, two cylinders 3 are activated, and their outputs push two push blocks 4 to move. When the two push blocks 4 approach each other, they drive multiple movable support rods 5 to rotate. With the cooperation of the movable support rods 5, the two push blocks 4 drive two connecting blocks 6 to approach each other. The connecting blocks 6 drive the mounting plate 7 and clamping parts 8 to move, causing multiple clamping parts 8 to move closer to the housing until the housing is fixed. This allows for convenient clamping and fixing of housings of different sizes, ensuring the stability of the housing position during processing and increasing processing flexibility.

[0028] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A high-precision differential housing machining and positioning fixture, including a support base (1), characterized in that: An operating table (2) is fixedly connected to the upper part of the support base (1). A hydraulic cylinder (14) is fixedly connected to the bottom of the support base (1). A rack plate (15) is fixedly connected to the output end of the hydraulic cylinder (14). A rotating shaft is rotatably connected inside both the support base (1) and the operating table (2). A gear (18) is fixedly connected to the bottom of the rotating shaft. A rack plate (15) is meshed on one side of the gear (18). A turntable (9) is fixedly connected to the upper part of the rotating shaft. A connecting rod (10) is fixedly connected to the bottom of the turntable (9). A positioning plate (11) is fixedly connected to the bottom of the connecting rod (10). A slider (12) is fixedly connected to the bottom of the positioning plate (11). A sliding groove (13) is opened inside the operating table (2). The slider (12) is slidably connected inside the sliding groove (13).

2. The high-precision differential housing machining and positioning fixture according to claim 1, characterized in that: Cylinders (3) are fixedly connected to both sides of the outside of the operating table (2). Push blocks (4) are fixedly connected to the output ends of the two cylinders (3). Connecting blocks (6) are fixedly connected to the upper part of the two push blocks (4). Clamping components are fixedly connected to the opposite side of the two connecting blocks (6). The clamping components are used to clamp and fix the outer shell. One end of a movable support rod (5) is rotatably connected to the inside of the operating table (2). The other end of the multiple movable support rods (5) is rotatably connected to the push block (4).

3. The high-precision differential housing machining and positioning fixture according to claim 2, characterized in that: The clamping assembly includes a mounting plate (7) and a clamping member (8). The two mounting plates (7) are fixedly connected to the opposite side of the two connecting blocks (6), and the opposite side of the two mounting plates (7) is fixedly connected to the clamping member (8).

4. The high-precision differential housing machining and positioning fixture according to claim 3, characterized in that: Both connecting blocks (6) are slidably connected to the inside sides of the operating table (2), and both mounting plates (7) are slidably connected to the upper part of the operating table (2).

5. The high-precision differential housing machining and positioning fixture according to claim 2, characterized in that: Both push blocks (4) are slidably connected to the inside sides of the operating table (2).

6. The high-precision differential housing machining and positioning fixture according to claim 3, characterized in that: The turntable (9) is rotatably connected to the upper part of the operating table (2), and multiple clamping parts (8) are arranged on both sides of the turntable (9).

7. The high-precision differential housing machining and positioning fixture according to claim 1, characterized in that: The support base (1) is fixedly connected to a limiting rod (17), and a limiting block (16) is fixedly connected to one side of the rack plate (15). The limiting block (16) is slidably connected to the outside of the limiting rod (17).

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