An anti-leakage and anti-misassembly device for press-fitting snap rings of automotive drive shafts

Abstract

The present invention provides an anti-leakage and anti-misalignment device for press-fitting snap rings of an automotive drive shaft, which relates to the technical field of automotive drive shaft manufacturing. The anti-leakage and anti-misalignment device for press-fitting snap rings of an automotive drive shaft includes a processing base, the top of the processing base is fixedly connected with a fixed vertical plate, and the fixed vertical plate is located at the rear edge position of the processing base. The top of the fixed vertical plate is fixedly connected with a top plate, the top of the top plate is fixedly connected with a hydraulic cylinder, and a pressing block is fixedly connected to the piston rod of the hydraulic cylinder, and the pressing block is located below the top plate. By providing a pressing column, a connecting column, a receiving block, a sliding cavity, a receiving plate, a fixed frame, a sliding groove, a limiting plate, an adjusting rod, a knob and a limiting hole, it is convenient to judge whether the snap ring assembly is omitted or misplaced, avoiding the problem of the press-fitting machine damaging the drive shaft. At the same time, the setting of the adjusting rod and the knob facilitates adjusting the position of the limiting hole according to the model of the snap ring assembly.

Description

Technical Field

[0001] The present invention relates to the technical field of automotive drive shaft manufacturing, and particularly to an anti-leakage and anti-mistake device for press-fitting snap rings on automotive drive shafts. Background Art

[0002] The function of an automotive drive shaft is to transmit the power of the engine to the wheels together with the transmission and the drive axle, so as to make the vehicle generate driving force. When manufacturing an automotive drive shaft, a snap ring needs to be installed on the drive shaft, and when installing the snap ring, a press-fitting machine is used to press-fit the snap ring.

[0003] When installing the snap ring, the snap ring is manually placed on the drive shaft. Since it is manually placed, it is easy to forget to place the snap ring, resulting in damage to the drive shaft during snap ring press-fitting and affecting the product quality. Summary of the Invention

[0004] (1) Technical Problems to be Solved

[0005] Aiming at the deficiencies of the prior art, the present invention provides an anti-leakage and anti-mistake device for press-fitting snap rings on automotive drive shafts, which solves the problem that when installing the snap ring, the snap ring is manually placed on the drive shaft, and due to manual placement, it is easy to forget to place the snap ring or place it more than once, resulting in damage to the drive shaft during snap ring press-fitting and affecting the product quality.

[0006] (2) Technical Solutions

[0007] To achieve the above objectives, the present invention is realized through the following technical solutions: an anti-leakage and anti-mistake device for press-fitting snap rings on automotive drive shafts, including a processing base, the top of the processing base is fixedly connected with a fixed vertical plate, and the fixed vertical plate is located at the rear edge position of the processing base. The top of the fixed vertical plate is fixedly connected with a top plate, the top of the top plate is fixedly connected with a hydraulic cylinder, and the piston rod of the hydraulic cylinder is fixedly connected with a pressing block, and the pressing block is located below the top plate.

[0008] The top middle position of the processing base is fixedly connected with a driving motor, and the driving motor is located at the front side of the fixed vertical plate, and a fixed column is fixedly connected to the output shaft of the driving motor, and an extrusion cavity is arranged inside the fixed column, and a spring is fixedly connected to the bottom of the extrusion cavity, and a slide plate is fixedly connected to the top of the spring, and a sliding column is fixedly connected to the top of the slide plate, and a turntable is fixedly connected to the top of the sliding column, and the turntable is located above the fixed column, and four placing seats are fixedly connected at the top edge position of the turntable, and a placing hole is arranged inside the placing seat, and a driving shaft assembly is placed inside the placing hole, and a clamping ring assembly is sleeved on the circumferential surface of the driving shaft assembly, and a pressure column is placed on the top of the clamping ring assembly, and the top of the pressure column is fixedly connected to a connecting column, and the top of the connecting column is fixedly connected to a receiving block, and sliding cavities are arranged inside the pressure column and the connecting column, and the top end of the driving shaft assembly is slidably connected to the inside of the sliding cavity;

[0009] The top of the processing base is fixedly connected with a column, and the column is located on the right side of the driving motor. The top of the column is fixedly connected with a fixed frame. The left and right inner walls of the fixed frame are provided with slide grooves. The inside of the slide groove is slidably connected with a limit plate. The bottom of the limit plate is provided with a limit hole. The top of the fixed frame is threadedly connected with an adjusting rod. The top of the adjusting rod is fixedly connected with a knob. The bottom end of the adjusting rod is rotatably connected with the limit plate.

[0010] A receiving plate is fixedly connected to the front side wall of the fixed vertical plate, and the receiving plate is located below the rotating disk. A clamping hole is arranged on the top of the receiving plate, and a clamping block is fixedly connected to the bottom of the rotating disk.

[0011] Preferably, a controller is fixedly connected to the top of the processing base, and the controller is located in front of the driving motor. A solenoid valve for controlling the opening and closing of the hydraulic oil pipeline is provided inside the hydraulic cylinder, and the solenoid valve and the driving motor are both electrically connected to the controller.

[0012] Preferably, the top plan shapes of the fixed column, the extrusion cavity, the sliding plate and the sliding column are all square, and the sliding plate and the sliding column are both slidably connected to the fixed column.

[0013] Preferably, the front shape of the fixed frame is a "冂" shape, and the fixed frame is located above the turntable, the front shape of the limiting hole is a "T" shape, the front shape of the connecting column and the receiving block is a "T" shape, and the combined structure of the connecting column and the receiving block is compatible with the limiting hole.

[0014] Preferably, the number of the clamping blocks is the same as the number of the placement seats, and the clamping blocks and the placement seats are arranged correspondingly, the receiving plate is located directly below the pressing block, and the clamping blocks are used in conjunction with the clamping holes.

[0015] Usage method of a leak - proof and error - proof device for press - fitting snap rings on automotive drive shafts, including the following specific steps:

[0016] S1. First, calculate the height of the receiving block according to the thickness of the snap - ring assembly, and then adjust the position of the limit plate according to the calculated result. Rotate the adjusting rod by controlling the knob. When the knob rotates forward, the limit plate moves upward; when the knob rotates backward, the limit plate moves downward.

[0017] S2. After the position of the limit plate is adjusted, insert the drive - shaft assembly into the interior of the placement hole, then put the snap - ring assembly on the drive - shaft assembly, and finally put the combined structure of the pressure column, connecting column, and receiving block above the snap - ring assembly.

[0018] S3. Control the turntable to rotate through the controller, so that the combined structure of the pressure column, connecting column, and receiving block passes through the limit hole. If the combined structure of the pressure column, connecting column, and receiving block can pass through the limit hole, it means that the snap - ring assembly is not over - placed or missed. Otherwise, there is a situation of missing or over - placing. At this time, the staff needs to immediately press the brake button to stop the driving motor.

[0019] S4. When the combined structure of the pressure column, connecting column, and receiving block passes through the limit hole, the driving motor controls the turntable to rotate and moves the drive - shaft assembly to be press - fitted below the pressing block. Then, the hydraulic cylinder controls the pressing block to move downward. When the pressing block contacts the receiving block, control the whole turntable to move downward so that the turntable contacts the receiving plate, and at the same time, the locking block inserts into the locking hole. At this time, the hydraulic cylinder controls the pressing block to continue moving downward and squeezes the combined structure of the pressure column, connecting column, and receiving block, thereby press - fitting the snap - ring assembly onto the drive - shaft assembly.

[0020] S5. After the press - fitting is completed, the hydraulic cylinder controls the pressing block to return to the initial position, the turntable returns to the initial position under the action of the spring, and the locking block is also pulled out from the interior of the locking hole. Then, the driving motor turns away the press - fitted drive - shaft assembly from below the pressing block, and finally, take out the combined structure of the pressure column, connecting column, and receiving block and the press - fitted drive - shaft assembly.

[0021] Preferably, the angle of each rotation of the driving motor is 90°.

[0022] Preferably, the elastic force of the spring is greater than the total weight of the turntable when it is fully loaded.

[0023] (III) Beneficial effects

[0024] The present invention provides a leak - proof and error - proof device for press - fitting snap rings on automotive drive shafts. It has the following beneficial effects:

[0025] 1. In the present invention, by providing a pressing column, a connecting column, a receiving block, a sliding cavity, a receiving plate, a fixing frame, a sliding groove, a limiting plate, an adjusting rod, a knob and a limiting hole, it is convenient to judge whether the snap ring assembly is missing or misplaced, avoiding the problem of the driving shaft of the press being damaged. At the same time, the setting of the adjusting rod and the knob facilitates adjusting the position of the limiting hole according to the model of the snap ring assembly.

[0026] 2. In the present invention, by providing a fixing column, an extrusion cavity, a spring, a sliding plate, a sliding column, a receiving plate, a clamping hole and a clamping block, it is convenient to position the turntable during the press-fitting process, avoiding the rotation of the turntable during the press-fitting process and improving the stability during the press-fitting of the snap ring assembly.

[0027] 3. The present invention can realize the continuous press-fitting of the snap ring assembly, with a reasonable structural design and simple operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 is the front view of an anti-leakage and anti-misplacement device for press-fitting a snap ring of an automotive drive shaft proposed by the present invention;

[0029] Figure 2 is the side sectional view of an anti-leakage and anti-misplacement device for press-fitting a snap ring of an automotive drive shaft proposed by the present invention;

[0030] Figure 3 is Figure 2 the schematic diagram of structure A in

[0031] Figure 4 is Figure 2 the schematic diagram of structure B in

[0032] Figure 5 is the partial structural sectional view of an anti-leakage and anti-misplacement device for press-fitting a snap ring of an automotive drive shaft proposed by the present invention;

[0033] Figure 6 is Figure 1 the schematic diagram of structure C in

[0034] Among them, 1. Processing base; 2. Fixed vertical plate; 3. Top plate; 4. Hydraulic cylinder; 5. Pressing block; 6. Driving motor; 7. Fixed column; 8. Extrusion cavity; 9. Spring; 10. Sliding plate; 11. Sliding column; 12. Turntable; 13. Placing seat; 14. Placing hole; 15. Driving shaft assembly; 16. Snap ring assembly; 17. Pressing column; 18. Connecting column; 19. Receiving block; 20. Sliding cavity; 21. Receiving plate; 22. Clamping hole; 23. Clamping block; 24. Column; 25. Fixing frame; 26. Sliding groove; 27. Limiting plate; 28. Adjusting rod; 29. Knob; 30. Limiting hole; 31. Controller. DETAILED DESCRIPTION OF THE INVENTION

[0035] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0036] Embodiment:

[0037] As Figure 1-6 shown, an anti-leakage and anti-mistake device for press-fitting a snap ring of an automotive drive shaft according to an embodiment of the present invention includes a processing base 1. A fixed vertical plate 2 is fixedly connected to the top of the processing base 1, and the fixed vertical plate 2 is located at the rear edge position of the processing base 1. A top plate 3 is fixedly connected to the top of the fixed vertical plate 2. A hydraulic cylinder 4 is fixedly connected to the top of the top plate 3. A pressing block 5 is fixedly connected to the piston rod of the hydraulic cylinder 4, and the pressing block 5 is located below the top plate 3.

[0038] A driving motor 6 is fixedly connected to the middle position of the top of the processing base 1, and the driving motor 6 is located in front of the fixed vertical plate 2. The driving motor 6 is mainly used to control the rotation of the turntable 12. A fixed column 7 is fixedly connected to the output shaft of the driving motor 6. An extrusion cavity 8 is arranged inside the fixed column 7. A spring 9 is fixedly connected to the bottom of the extrusion cavity 8. A slide plate 10 is fixedly connected to the top of the spring 9. A slide column 11 is fixedly connected to the top of the slide plate 10. The arrangement of the extrusion cavity 8, the spring 9, the slide plate 10 and the slide column 11 facilitates the downward sliding of the turntable 12 under the action of the hydraulic cylinder 4, so that the clamping block 23 is inserted into the inside of the clamping hole 22. The top of the slide column 11 is fixedly connected to the turntable 12, and the turntable 12 is located above the fixed column 7. Four placing seats 13 are fixedly connected to the top edge position of the turntable 12. A placing hole 14 is arranged inside the placing seat 13. A drive shaft assembly 15 is placed inside the placing hole 14. A snap ring assembly 16 is sleeved on the circumferential surface of the drive shaft assembly 15. A pressing column 17 is placed on the top of the snap ring assembly 16. A connecting column 18 is fixedly connected to the top of the pressing column 17. A receiving block 19 is fixedly connected to the top of the connecting column 18. Slide cavities 20 are arranged inside both the pressing column 17 and the connecting column 18, and the top end of the drive shaft assembly 15 is slidably connected inside the slide cavity 20.

[0039] A column 24 is fixedly connected to the top of the processing base 1, and the column 24 is located on the right side of the driving motor 6. A fixed frame 25 is fixedly connected to the top of the column 24. The fixed frame 25 is mainly used to install a limit plate 27. The left and right inner walls of the fixed frame 25 are provided with slide grooves 26. The slide grooves 26 mainly limit the limit plate 27 so that the limit plate 27 slides smoothly. The inner sliding connection of the slide groove 26 is provided with a limit plate 27. A limit hole 30 is provided at the bottom of the limit plate 27. The setting of the limit hole 30 is mainly used to determine whether there is a situation of missing or over-placing the clamping ring assembly 16. An adjusting rod 28 is threadedly connected to the top of the fixing frame 25. A knob 29 is fixedly connected to the top of the adjusting rod 28. The bottom end of the adjusting rod 28 is rotatably connected to the limit plate 27. The setting of the adjusting rod 28 and the knob 29 is mainly used to adjust the position of the limit plate 27, which is convenient for the use of clamping ring assemblies 16 of different models.

[0040] A receiving plate 21 is fixedly connected to the front side wall of the fixed vertical plate 2, and the receiving plate 21 is located below the turntable 12. The receiving plate 21 mainly supports the turntable 12. A clamping hole 22 is provided on the top of the receiving plate 21, and a clamping block 23 is fixedly connected to the bottom of the turntable 12. By providing the clamping block 23 and the clamping hole 22, the turntable 12 is mainly positioned to prevent the turntable 12 from rotating during the pressing process.

[0041] A controller 31 is fixedly connected to the top of the processing base 1, and the controller 31 is located on the front side of the drive motor 6. A solenoid valve for controlling the opening and closing of the hydraulic oil pipeline is arranged inside the hydraulic cylinder 4. The solenoid valve and the drive motor 6 are electrically connected to the controller 31. The top view shapes of the fixed column 7, the extrusion chamber 8, the slide plate 10 and the slide column 11 are all square, which is convenient for the drive motor 6 to control the rotation of the turntable 12. The slide plate 10 and the slide column 11 are both slidably connected to the fixed column 7. The front shape of the fixed frame 25 is "冂" shaped, and the fixed frame 25 is located above the turntable 12. The front shape of the limiting hole 30 is "T" shaped, the front shape of the connecting column 18 and the receiving block 19 is "T" shaped, and the combined structure of the connecting column 18 and the receiving block 19 is adapted to the limiting hole 30. The number of the block 23 is the same as the number of the placement seat 13, and the block 23 is arranged corresponding to the placement seat 13. The receiving plate 21 is located directly below the pressing block 5, and the block 23 is used in conjunction with the block hole 22.

[0042] The method for using the automobile drive shaft clamping anti-leakage and anti-error device comprises the following specific steps:

[0043] S1. First, the height of the receiving block 19 is calculated according to the thickness of the clamping ring assembly 16, and then the position of the limit plate 27 is adjusted according to the calculated result. The adjustment rod 28 is controlled to rotate by the knob 29. When the knob 29 is rotated forward, the limit plate 27 moves upward, and when the knob 29 is rotated reversely, the limit plate 27 moves downward;

[0044] After the position adjustment of the limit plate 27 is completed, insert the drive shaft assembly 15 into the inner part of the placement hole 14, then sleeved the snap ring assembly 16 on the drive shaft assembly 15, and finally sleeved the combined structure of the pressure column 17, the connecting column 18 and the receiving block 19 above the snap ring assembly 16;

[0045] S3. Control the turntable 12 to rotate through the controller 31, so that the combined structure of the pressure column 17, the connecting column 18 and the receiving block 19 passes through the limit hole 30. If the combined structure of the pressure column 17, the connecting column 18 and the receiving block 19 can pass through the limit hole 30, it means that the snap ring assembly 16 is not placed more or less. Otherwise, there is a situation of missing or over-placing. At this time, the staff needs to immediately press the brake button to stop the driving motor 6;

[0046] S4. When the combined structure of the pressure column 17, the connecting column 18 and the receiving block 19 passes through the limit hole 30, the driving motor 6 controls the turntable 12 to rotate, and moves the drive shaft assembly 15 to be press-fitted below the pressure block 5. Then, the hydraulic cylinder 4 controls the pressure block 5 to move downward. When the pressure block 5 contacts the receiving block 19, control the entire turntable 12 to move downward, so that the turntable 12 contacts the receiving plate 21. At the same time, the clamping block 23 is inserted into the clamping hole 22. At this time, the hydraulic cylinder 4 controls the pressure block 5 to continue to move downward, and squeezes the combined structure of the pressure column 17, the connecting column 18 and the receiving block 19, so as to press-fit the snap ring assembly 16 onto the drive shaft assembly 15;

[0047] S5. After the press-fitting is completed, the hydraulic cylinder 4 controls the pressure block 5 to return to the initial position. The turntable 12 returns to the initial position under the action of the spring 9, and the clamping block 23 is also pulled out from the inside of the clamping hole 22. Then, the driving motor 6 turns away the press-fitted drive shaft assembly 15 from below the pressure block 5, and finally takes out the combined structure of the pressure column 17, the connecting column 18 and the receiving block 19 and the press-fitted drive shaft assembly 15.

[0048] The driving motor 6 rotates at an angle of 90° each time, and the elastic force of the spring 9 is greater than the total weight of the turntable 12 when it is fully loaded.

[0049] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A leak - proof and error - proof device for press - fitting snap rings of an automobile drive shaft, comprising a processing base (1), characterized in that: A fixed vertical plate (2) is fixedly connected to the top of the processing base (1), and the fixed vertical plate (2) is located at the rear edge position of the processing base (1). A top plate (3) is fixedly connected to the top of the fixed vertical plate (2). A hydraulic cylinder (4) is fixedly connected to the top of the top plate (3). A pressing block (5) is fixedly connected to the piston rod of the hydraulic cylinder (4), and the pressing block (5) is located below the top plate (3). A driving motor (6) is fixedly connected to the middle position of the top of the processing base (1), and the driving motor (6) is located on the front side of the fixed vertical plate (2). A fixed column (7) is fixedly connected to the output shaft of the driving motor (6). An extrusion cavity (8) is arranged inside the fixed column (7). A spring (9) is fixedly connected to the bottom of the extrusion cavity (8). A sliding plate (10) is fixedly connected to the top of the spring (9). A sliding column (11) is fixedly connected to the top of the sliding plate (10). A turntable (12) is fixedly connected to the top of the sliding column (11), and the turntable (12) is located above the fixed column (7). Four placing seats (13) are fixedly connected to the top edge position of the turntable (12). A placing hole (14) is arranged inside the placing seat (13). A driving shaft assembly (15) is placed inside the placing hole (14). A snap ring assembly (16) is sleeved on the circumferential surface of the driving shaft assembly (15). A pressing column (17) is placed on the top of the snap ring assembly (16). A connecting column (18) is fixedly connected to the top of the pressing column (17). A receiving block (19) is fixedly connected to the top of the connecting column (18). Sliding cavities (20) are arranged inside both the pressing column (17) and the connecting column (18), and the top end of the driving shaft assembly (15) is slidably connected inside the sliding cavity (20). A column (24) is fixedly connected to the top of the processing base (1), and the column (24) is located on the right side of the driving motor (6). A fixed frame (25) is fixedly connected to the top of the column (24). Chute grooves (26) are arranged on the left and right inner walls of the fixed frame (25). A limiting plate (27) is slidably connected inside the chute grooves (26). A limiting hole (30) is arranged at the bottom of the limiting plate (27). An adjusting rod (28) is threadedly connected to the top of the fixed frame (25). A knob (29) is fixedly connected to the top end of the adjusting rod (28). The bottom end of the adjusting rod (28) is rotatably connected to the limiting plate (27). A receiving plate (21) is fixedly connected to the front side wall of the fixed vertical plate (2), and the receiving plate (21) is located below the turntable (12). A card hole (22) is arranged on the top of the receiving plate (21). A card block (23) is fixedly connected to the bottom of the turntable (12).

2. The anti-leakage and anti-misalignment device for press-fitting snap rings of an automotive drive shaft according to claim 1, wherein: A controller (31) is fixedly connected to the top of the processing base (1), and the controller (31) is located on the front side of the driving motor (6). An electromagnetic valve for controlling the opening and closing of the hydraulic oil pipeline is arranged inside the hydraulic cylinder (4). The electromagnetic valve and the driving motor (6) are both electrically connected to the controller (31).

3. The anti-leakage and anti-misassembly device for press-fitting snap rings of an automotive drive shaft according to claim 1, characterized in that: The top plan shapes of the fixed column (7), the extrusion cavity (8), the slide plate (10) and the slide column (11) are all square, and the slide plate (10) and the slide column (11) are both slidably connected to the fixed column (7).

4. A leak-proof and error-proof device for press-fitting snap rings of an automotive drive shaft according to claim 1, characterized in that: The front shape of the fixed frame (25) is a "冂" shape, and the fixed frame (25) is located above the rotating disk (12). The front shape of the limiting hole (30) is a "T" shape. The front shapes of the connecting column (18) and the receiving block (19) are also "T" shapes, and the combined structure of the connecting column (18) and the receiving block (19) is compatible with the limiting hole (30).

5. The anti-leakage and anti-misassembly device for press-fitting snap rings of an automotive drive shaft according to claim 1, characterized in that: The number of the clamping blocks (23) is the same as the number of the placement seats (13), and the clamping blocks (23) and the placement seats (13) are arranged correspondingly, the receiving plate (21) is located directly below the pressing block (5), and the clamping blocks (23) are used in conjunction with the clamping holes (22).

6. Method for using the anti-leakage and anti-misassembly device for press-fitting snap rings of vehicle drive shafts, based on the anti-leakage and anti-misassembly device for press-fitting snap rings of vehicle drive shafts according to any one of claims 1-5, characterized in that: The specific steps include: S1. First, the height of the receiving block (19) is calculated according to the thickness of the clamping ring assembly (16), and then the position of the limit plate (27) is adjusted according to the calculated result. The adjustment rod (28) is controlled to rotate by the knob (29). When the knob (29) is rotated in the forward direction, the limit plate (27) moves upward, and when the knob (29) is rotated in the reverse direction, the limit plate (27) moves downward; S2. After the position adjustment of the limit plate (27) is completed, the drive shaft assembly (15) is inserted into the interior of the placement hole (14), and then the clamping ring assembly (16) is sleeved on the drive shaft assembly (15), and finally the combined structure of the pressure column (17), the connecting column (18) and the receiving block (19) is sleeved on the top of the clamping ring assembly (16); S3, controlling the rotating disk (12) to rotate by means of the controller (31) so that the combined structure of the pressure column (17), the connecting column (18) and the receiving block (19) passes through the limiting hole (30). If the combined structure of the pressure column (17), the connecting column (18) and the receiving block (19) can pass through the limiting hole (30), it means that the clamping ring assembly (16) is not over-placed or missing. On the contrary, if there is a situation of missing or over-placement, the staff needs to immediately press the brake button to stop the driving motor (6) from working. S4, when the combined structure of the pressure column (17), the connecting column (18) and the receiving block (19) passes through the limiting hole (30), the driving motor (6) controls the turntable (12) to rotate and moves the drive shaft assembly (15) to be pressed to the bottom of the pressure block (5), and then the hydraulic cylinder (4) controls the pressure block (5) to move downward. When the pressure block (5) contacts the receiving block (19), the turntable (12) is controlled to move downward as a whole, so that the turntable (12) contacts the receiving plate (21), and the clamping block (23) is inserted into the clamping hole (22). At this time, the hydraulic cylinder (4) controls the pressure block (5) to continue to move downward and squeezes the combined structure of the pressure column (17), the connecting column (18) and the receiving block (19), so that the clamping ring assembly (16) is pressed onto the drive shaft assembly (15); S5. After the press-fitting is completed, the hydraulic cylinder (4) controls the pressing block (5) to return to the initial position, the turntable (12) returns to the initial position under the action of the spring (9), and the clamping block (23) is also pulled out from the inside of the clamping hole (22). Then, the driving motor (6) turns away the press-fitted drive shaft assembly (15) from below the pressing block (5). Finally, the combined structure of the pressing column (17), the connecting column (18), and the receiving block (19) and the press-fitted drive shaft assembly (15) can be taken out.

7. The method of using the leak-proof and error-proof device for press-fitting snap rings of an automotive drive shaft according to claim 6, characterized in that: The driving motor (6) rotates at an angle of 90° each time.

8. The usage method of the leak-proof and error-proof device for press-fitting snap rings of automotive drive shafts according to claim 6, characterized in that: The elastic force of the spring (9) is greater than the total weight of the turntable (12) when it is fully loaded.

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