Automobile speed reducer shell machining clamp

Abstract

The utility model discloses an automobile speed reducer shell machining clamp which comprises a mounting plate, a fixing frame is fixedly connected to the upper surface of the mounting plate, a mounting groove is formed in the fixing frame, a rotating disc is rotationally connected in the mounting groove, and a plurality of I-shaped sliding grooves distributed in a cross shape are formed in one side of the rotating disc. I-shaped sliding grooves are formed in the rotating disc, clamping blocks for clamping the automobile speed reducer shell are slidably connected into the I-shaped sliding grooves, a round rod is fixedly connected to one side of the rotating disc, a sliding sleeve is slidably connected to the outer side of the round rod, a connecting rod is rotatably connected to one side of each clamping block through a bearing seat, and the connecting rods are rotatably connected with the sliding sleeves through the bearing seats. According to the machining clamp, the speed reducer shell can be synchronously clamped in four directions, it is guaranteed that the speed reducer shell is located in the center of the rotary disc, meanwhile, the machining clamp can be matched with speed reducer shells with different diameters to be clamped and fixed, the application range of the machining clamp is widened, workers can conveniently machine the automobile speed reducer shell, and the machining efficiency is improved. And the use effect of the machining clamp is improved.

Description

Technical Field

[0001] This utility model relates to the field of gearbox housing processing technology, and in particular to a processing fixture for automotive gearbox housings. Background Technology

[0002] The car reducer housing is the core support structure of the reducer, used to house and protect the internal transmission components and ensure their normal operation. The car reducer housing includes a cylindrical housing. The cylindrical design facilitates casting and machining, while providing sufficient strength and rigidity. However, the car reducer housing needs to be clamped and fixed during machining.

[0003] Existing gearbox housing machining fixtures can only clamp and fix housings of one diameter when clamping automotive gearbox housings. Therefore, when dealing with gearbox housings of different diameters, it is necessary to change the machining fixture to meet the requirements, resulting in poor practicality in use. In order to better address the above problems, promote the development of industry technology, and improve core competitiveness, this application proposes a new composition structure that is different from the existing technology. Utility Model Content

[0004] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a machining fixture for automotive reducer housings.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A machining fixture for automotive reducer housings includes a mounting plate. A fixing frame is fixedly connected to the upper surface of the mounting plate. A mounting groove is formed inside the fixing frame, and a turntable is rotatably connected to the mounting groove. A plurality of I-shaped sliding grooves arranged in a cross shape are formed on one side of the turntable. A clamping block for holding the automotive reducer housing is slidably connected to the I-shaped sliding groove. A round rod is fixedly connected to one side of the turntable, and a sliding sleeve is slidably connected to the outer side of the round rod. A connecting rod is rotatably connected to one side of the clamping block through a mounting base, and the connecting rod is rotatably connected to the sliding sleeve through the mounting base. A power component for moving the sliding sleeve is provided on the upper surface of the mounting plate, and a locking component for fixing the turntable is provided on one side of the fixing frame.

[0007] As a further embodiment of this utility model, the power assembly includes a fixing block, which is fixedly connected to the upper surface of the mounting plate. A fixing seat is fixedly connected to the top of the fixing block, and a self-locking hydraulic cylinder is fixedly connected inside the fixing seat. One end of the piston rod of the self-locking hydraulic cylinder is rotatably connected to a sliding sleeve through a bearing.

[0008] As a further improvement of this utility model, the outer side of the sliding sleeve is provided with a plurality of evenly distributed slots.

[0009] As a further embodiment of this utility model, the outer side of the round rod is fixedly connected with a plurality of limiting posts that move along the groove direction of the slot.

[0010] As a further embodiment of this utility model, the locking assembly includes two fixing plates, both of which are fixedly connected to one side of the fixing frame. Each of the two fixing plates has a threaded hole on one side, and a hand-tightening nut is threaded into the threaded hole.

[0011] As a further improvement of this utility model, mounting holes are provided at the four corners of the upper surface of the mounting plate.

[0012] As a further improvement of this utility model, all of the mounting holes are elongated.

[0013] The beneficial effects of this utility model are as follows:

[0014] 1. In this utility model, by setting the clamping blocks in the I-shaped slide groove, after the reducer housing is attached to the turntable, multiple clamping blocks move synchronously towards the reducer housing in the I-shaped slide groove, thereby clamping the reducer housing in four directions synchronously, ensuring that the reducer housing is in the center position of the turntable. At the same time, it can be adapted to clamp and fix reducer housings of different diameters, thus improving the applicability of the processing fixture.

[0015] 2. In this utility model, by setting the locking component, the turntable can rotate in the mounting slot, thereby driving the clamped reducer housing to rotate. Then, the turntable is locked and fixed by the locking component, which facilitates the workers to process the car reducer housing and improves the use effect of the processing fixture. Attached Figure Description

[0016] Figure 1 This is a front left-side perspective three-dimensional structural diagram of a machining fixture for an automotive reducer housing proposed in this utility model;

[0017] Figure 2 This is a front right-side perspective three-dimensional structural diagram of a machining fixture for an automotive reducer housing proposed in this utility model;

[0018] Figure 3 This is an enlarged structural diagram of part A of a machining fixture for an automotive reducer housing proposed in this utility model;

[0019] Figure 4 This is a partially enlarged structural diagram of a machining fixture for an automotive reducer housing proposed in this utility model;

[0020] Figure 5 This is an enlarged structural diagram of the frame of a machining fixture for an automotive reducer housing proposed in this utility model.

[0021] In the diagram: 1. Mounting plate; 2. Mounting hole; 3. Fixing bracket; 4. Turntable; 5. Clamping block; 6. Self-locking hydraulic cylinder; 7. Fixing seat; 8. Fixing block; 9. I-shaped slide groove; 10. Fixing plate; 11. Hand-tightening nut; 12. Connecting rod; 13. Sliding sleeve; 14. Slotted groove; 15. Round rod; 16. Limiting post; 17. Mounting groove. 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 of the present utility model. The described embodiments are only some embodiments of the present utility model, not all embodiments. Other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are all within the protection scope of the present utility model.

[0023] Reference Figures 1-5 A machining fixture for an automotive reducer housing includes a mounting plate 1. A fixing frame 3 is fixed to the upper surface of the mounting plate 1 by bolts. A mounting groove 17 is provided inside the fixing frame 3. A turntable 4 is rotatably connected inside the mounting groove 17. A plurality of cross-shaped I-shaped grooves 9 are provided on one side of the turntable 4.

[0024] like Figure 1 As shown, a clamping block 5 for holding the car reducer housing is slidably connected inside the I-shaped slide groove 9. The clamping block 5 has a concave block structure.

[0025] like Figure 2 and Figure 3 As shown, a round rod 15 is welded to one side of the turntable 4, and a sliding sleeve 13 is slidably connected to the outside of the round rod 15. Mounting seats are welded to both the clamping block 5 and the sliding sleeve 13. The clamping block 5 is rotatably connected to the connecting rod 12 through the mounting seat, and the connecting rod 12 is rotatably connected to the sliding sleeve 13 through the mounting seat.

[0026] The upper surface of the mounting plate 1 is provided with a power assembly for moving the sliding sleeve 13. The power assembly includes a fixing block 8, which is fixed to the upper surface of the mounting plate 1 by bolts. A fixing seat 7 is welded to the top of the fixing block 8, and a self-locking hydraulic cylinder 6 is fixed inside the fixing seat 7 by bolts. One end of the piston rod of the self-locking hydraulic cylinder 6 is rotatably connected to the sliding sleeve 13 through a bearing. The self-locking hydraulic cylinder 6 is model HFG1504. When it is necessary to clamp the reducer housing, the reducer housing is positioned between multiple clamping blocks 5 and in contact with the turntable 4. Then, the self-locking hydraulic cylinder 6 is activated to retract, which will drive the sliding sleeve 13 to move on the round rod 15. The sliding sleeve 13 moves to the outside of the turntable 4, and during the movement, the sliding sleeve 13 drives the clamping block 5 to move along the groove direction of the I-shaped sliding groove 9 through the connecting rod 12. The connecting rod 12 rotates with the clamping block 5 and the sliding sleeve 13, thereby moving multiple clamping blocks 5 towards the reducer housing. This allows multiple clamping blocks 5 to clamp the reducer housing synchronously in four directions, ensuring that the reducer housing is in the center position of the turntable 4. At the same time, it can be adapted to clamp and fix reducer housings of different diameters, improving the applicability of the processing fixture. In addition, the self-locking function of the self-locking hydraulic cylinder 6 can ensure that the clamping blocks 5 can stably clamp the reducer housing.

[0027] In this utility model, a locking assembly for fixing the turntable 4 is provided on one side of the fixing frame 3. The locking assembly includes two fixing plates 10, both of which are welded to one side of the fixing frame 3. Each of the two fixing plates 10 has a threaded hole on one side, and a hand-tightening nut 11 is threaded into the threaded hole. The operator can rotate the turntable 4, which will cause the gearbox housing being clamped and fixed to rotate. After the gearbox housing has rotated to a certain angle, the hand-tightening nut 11 is tightened, thereby locking and fixing the turntable 4 so that the turntable 4 cannot rotate. This makes it convenient for the operator to process the car gearbox housing and improves the use effect of the processing fixture.

[0028] In particular, the outer side of the sliding sleeve 13 is provided with multiple evenly distributed slots 14, and the outer side of the round rod 15 is welded with multiple limiting posts 16 that move along the slots 14. During the movement of the sliding sleeve 13, the limiting posts 16 will move within the slots 14, thereby guiding the movement of the sliding sleeve 13. At the same time, during the rotation of the turntable 4, the round rod 15 will drive the sliding sleeve 13 to rotate synchronously through the limiting posts 16, thereby preventing the rotation of the turntable 4 from getting stuck. The upper surface of the mounting plate 1 is provided with mounting holes 2 at the four corners. The mounting holes 2 are all elongated, and the elongated mounting holes 2 make it easy to fit the mounting plate 1 with the fixing holes at different positions for fixing.

[0029] Working principle: When it is necessary to clamp the reducer housing, the reducer housing is positioned between multiple clamping blocks 5 and in contact with the turntable 4. Then, the self-locking hydraulic cylinder 6 is activated to retract. The self-locking hydraulic cylinder 6 will drive the sliding sleeve 13 to move outside the round rod 15. During the movement of the sliding sleeve 13, it will drive the clamping blocks 5 to move along the groove direction of the I-shaped sliding groove 9 through the connecting rod 12. The connecting rod 12 will rotate with the clamping blocks 5 and the sliding sleeve 13, thereby moving the multiple clamping blocks 5 towards the reducer housing. This allows the multiple clamping blocks 5 to clamp the reducer housing synchronously in four directions, ensuring that the reducer housing is in the center position of the turntable 4. At the same time, it can adapt to reducer housings of different diameters for clamping. The fixed gripping mechanism expands the applicability of the machining fixture. Simultaneously, the self-locking function of the self-locking hydraulic cylinder 6 ensures stable clamping of the reducer housing by the clamping block 5. The operator can rotate the turntable 4, which in turn rotates the clamped reducer housing. After the reducer housing has rotated a certain angle, the hand-tightened nut 11 is tightened, locking the turntable 4 and preventing it from rotating. This facilitates machining of the automotive reducer housing and improves the effectiveness of the machining fixture. Furthermore, during the rotation of the turntable 4, the round rod 15 drives the sliding sleeve 13 to rotate synchronously via the limiting post 16, preventing the turntable 4 from jamming.

[0030] Furthermore, the terms "installation," "setup," "connection," and "socketing" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral constructions; they can refer to mechanical or electrical connections; they can refer to direct connections or indirect connections via an intermediate medium, or internal connections between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

Claims

1. A machining fixture for an automotive reducer housing, comprising a mounting plate (1), characterized in that, A fixing frame (3) is fixedly connected to the upper surface of the mounting plate (1). A mounting groove (17) is provided inside the fixing frame (3). A turntable (4) is rotatably connected inside the mounting groove (17). A plurality of cross-shaped I-shaped slide grooves (9) are provided on one side of the turntable (4). A clamping block (5) for clamping the car reducer housing is slidably connected inside the I-shaped slide groove (9). A round rod (15) is fixedly connected to one side of the turntable (4). A sliding sleeve (13) is slidably connected to the outside of the round rod (15). A connecting rod (12) is rotatably connected to one side of the clamping block (5) through a mounting seat. The connecting rod (12) is rotatably connected to the sliding sleeve (13) through the mounting seat. A power component for moving the sliding sleeve (13) is provided on the upper surface of the mounting plate (1). A locking component for fixing the turntable (4) is provided on one side of the fixing frame (3).

2. The automotive reducer housing machining fixture according to claim 1, characterized in that, The power assembly includes a fixing block (8), which is fixedly connected to the upper surface of the mounting plate (1). A fixing seat (7) is fixedly connected to the top of the fixing block (8). A self-locking hydraulic cylinder (6) is fixedly connected inside the fixing seat (7), and one end of the piston rod of the self-locking hydraulic cylinder (6) is rotatably connected to the sliding sleeve (13) through a bearing.

3. The automotive reducer housing machining fixture according to claim 1, characterized in that, The outer side of the sliding sleeve (13) is provided with a plurality of evenly distributed slots (14).

4. A machining fixture for an automotive reducer housing according to claim 3, characterized in that, The outer side of the round rod (15) is fixedly connected with a plurality of limiting posts (16) that move along the groove direction of the slot (14).

5. A machining fixture for an automotive reducer housing according to claim 1, characterized in that, The locking assembly includes two fixing plates (10), both of which are fixedly connected to one side of the fixing frame (3). Each of the two fixing plates (10) has a threaded hole on one side, and a hand-tightening nut (11) is threaded into the threaded hole.

6. A machining fixture for an automotive reducer housing according to claim 1, characterized in that, Mounting holes (2) are provided at the four corners of the upper surface of the mounting plate (1).

7. A machining fixture for an automotive reducer housing according to claim 6, characterized in that, All of the mounting holes (2) are elongated.

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