Multifunctional annular tooth rack press-fitting device

Abstract

The utility model discloses a multifunctional annular tooth carrier press-fitting device, which relates to the technical field of annular tooth carrier press-fitting, and comprises a base, a support frame, a workbench, a lifting device, a wedging device, a press-fitting device, a reverse leaning device and a robot. Manual intervention is not needed in the press-fitting process, a rigid supporting platform is formed through a wedge-caulking device, press-fitting force is evenly dispersed, local stress concentration is prevented, a pressing head and a supporting frame are protected against deformation, the service life of equipment is prolonged, a reverse leaning device locks a differential through a mandrel, the stability of a hook claw is guaranteed, shaking is avoided in the lifting process, and displacement errors are prevented. And finally, the three functions of differential lifting, threaded hole alignment and annular tooth frame press fitting are integrated into a single station, the occupied area of equipment is reduced, the complex layout of a traditional multi-station scheme is avoided, the maintenance process is simplified, and the space utilization rate of a production line is increased.

Description

Technical Field

[0001] This utility model relates to the field of ring gear press-fitting technology, specifically a multifunctional ring gear press-fitting device. Background Technology

[0002] In the fields of automobile manufacturing and mechanical assembly, the press-fitting process of ring gears and differentials is a key step in powertrain assembly. In the past, press-fitting ring gears required multiple stations to achieve multiple functions, resulting in large equipment footprint, many types of parts, poor equipment stability, high costs, and difficult maintenance. Furthermore, the alignment of the ring gear and differential threaded holes relied heavily on manual visual adjustment or simple mechanical guidance, lacking an active calibration mechanism. This led to a high rate of press-fitting misalignment and a high risk of thread damage. In addition, the traditional press head applied pressure directly without a load-bearing and stress-dispersing structure, resulting in local stress concentration, easy deformation of the differential housing, and consequently affecting the service life of the press head. Utility Model Content

[0003] The purpose of this invention is to provide a multifunctional ring gear press-fitting device to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a multifunctional ring gear press-fitting device, comprising: a press-fitting station and a robot, wherein the robot grippers are independently arranged on the side of the press-fitting station, the press-fitting station comprising: a base at the bottom, a support frame and a worktable fixed on the base, a lifting device fixed on the upper part of the support frame, a wedge clamping device on the side of the lifting device, and a press-fitting device connected below, a backing device on the inner side of the press-fitting device, the press-fitting device being located above the worktable, the press-fitting device comprising a press head, the press head being connected to a pin device via a bearing, the backing device comprising: two symmetrically arranged backing pneumatic grippers, a mandrel on the inner side of the two backing pneumatic grippers, and a hook at the lower end of the backing pneumatic grippers.

[0005] Furthermore, the wedge clamping device includes: a wedge clamping guide rail and a wedge clamping cylinder fixed on the support frame, a wedge clamping plate slidably connected on the wedge clamping guide rail, and a piston end of the wedge clamping cylinder fixedly connected to the wedge clamping plate.

[0006] Furthermore, the lifting device includes a servo press, the output end of which is connected to a connecting rod, and the lower end of the connecting rod is connected to the pressing device.

[0007] Furthermore, the latch device is equipped with a telescopic pin inside.

[0008] Furthermore, the reverse gripper is pneumatically controlled to open and close, and the spindle defines the position of the reverse gripper.

[0009] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model achieves automatic alignment of threaded holes through the collaboration of robot grippers, pin devices and bearings. The pressing process does not require manual intervention. Furthermore, a rigid support platform is formed by a wedge clamping device, which evenly distributes the pressing force, prevents local stress concentration, protects the press head and support frame from deformation, and extends the equipment life. The reverse-locking device locks the differential through the mandrel to ensure the stability of the hook, and there is no shaking during the lifting process, preventing displacement errors. Finally, the three major functions of differential lifting, threaded hole alignment and ring gear pressing are integrated into a single workstation, reducing the equipment footprint, avoiding the complex layout of traditional multi-workstation solutions, simplifying the maintenance process, and improving the space utilization of the production line. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the structure of this utility model;

[0011] Figure 2 This is a front view of the working position of this utility model;

[0012] Figure 3 This is a front view of the present invention in its in-situ state;

[0013] Figure 4 This is a schematic diagram of the pressing device structure of this utility model;

[0014] Figure 5 This is a side view of the present invention;

[0015] In the diagram: 1. Base, 2. Support frame, 3. Workbench, 4. Lifting device, 5. Wedging device, 6. Pressing device, 7. Reverse support device, 8. Robot, 9. Ring gear frame, 10. Differential, 401. Servo press, 402. Connecting rod, 501. Wedging guide rail, 502. Wedging cylinder, 503. Wedging plate, 601. Press head, 602. Bearing, 603. Pin device, 6031. Telescopic pin, 701. Reverse support gripper, 702. Mandrel. Detailed Implementation

[0016] To enable those skilled in the art to better understand the technical solutions of this utility model, the technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings and specific embodiments.

[0017] Please refer to Figures 1-5This utility model provides a multifunctional ring gear press-fitting device, including: a press-fitting station and a robot 8. The robot grippers are independently set on the side of the press-fitting station. The press-fitting station includes: a base 1 at the bottom, a support frame 2 and a worktable 3 fixed on the base 1, a lifting device 4 fixed on the upper part of the support frame 2, a wedge clamping device 5 on the side of the lifting device 4, and a press-fitting device 6 connected below. A backing device 7 is provided on the inner side of the press-fitting device 6. The press-fitting device 6 is located above the worktable 3. The press-fitting device 6 includes a press head 601. The press head 601 is connected to a pin device 603 through a bearing 602. The backing device 7 includes: two symmetrically arranged backing pneumatic grippers 701. A spindle 702 is provided on the inner side of the two backing pneumatic grippers 701. A hook is provided at the lower end of the backing pneumatic grippers 701.

[0018] The base 1 and support frame 2 provide rigid foundation support to ensure the overall stability of the equipment. The lifting device 4 drives the pressure head 601 to move vertically, realizing the positioning and resetting of the pressing process. The pressing device 6 integrates the pressure head 601, bearing 602 and pin device 603, directly transmitting the pressing force and assisting in alignment. The anti-locking device 7 lifts the differential through the anti-locking pneumatic gripper 701, and the spindle 702 restricts the displacement of the hook to ensure lifting stability. The wedge clamping device 5 forms a load-bearing platform to disperse the pressing force and prevent structural deformation. The worktable 3 fixes the differential and the ring gear frame, providing an operating reference surface. The robot gripper clamps and rotates the ring gear frame to realize automatic alignment of the threaded holes.

[0019] The wedge clamping device 5 includes: a wedge clamping guide rail 501 and a wedge clamping cylinder 502 fixed on the support frame 2; a wedge clamping plate 503 slidably connected on the wedge clamping guide rail 501; and the piston end of the wedge clamping cylinder 502 fixedly connected to the wedge clamping plate 503.

[0020] The wedge plate 503 extends horizontally and passes through the middle body to form a rigid support, which evenly transmits the pressing force to the base, avoids local stress concentration, and prevents the pressure head and support frame from deforming due to overload. The wedge guide rail 501 and the wedge cylinder 502 control the extension and retraction of the wedge plate 503 to ensure precise positioning.

[0021] The lifting device 4 includes a servo press 401, the output end of which is connected to a connecting rod 402, and the lower end of the connecting rod 402 is connected to the pressing device 6.

[0022] The servo press 401 drives the press head 601 to press down via the connecting rod 402, pressing the ring gear frame onto the differential.

[0023] The latch device 603 has a telescopic pin 6031 inside.

[0024] The reverse gripper 701 is pneumatically controlled to open and close, and the spindle 702 defines the position of the reverse gripper 701. When the reverse gripper 701 is open, the hook grips both sides of the differential, the lifting device 4 rises, and the differential is lifted to the hovering position.

[0025] When using this utility model, the differential 10 is first placed on the workbench 3. The robot 8 clamps the ring gear 9, ready for alignment. The workbench 3 provides a reference surface. The robot gripper ensures the ring gear 9 is in an accurate initial position. The lifting device 4 drives the pressing device 6 and the reverse gripping device 7 to descend synchronously to the differential position. The reverse gripper 701 opens, and the hook grips both sides of the differential. The lifting device 4 rises, and the differential 10 is lifted to a suspended position. The mandrel 702 is inserted into the inside of the hook, locking the differential 10 position. The reverse gripper 701 and the mandrel 702 work together to ensure the differential 10 is stably suspended. The wedge cylinder 502 drives the wedge plate 503 to extend horizontally along the guide rail 501, passing through the middle body of the pressing device 6. The pressure head 601 descends and causes the middle body of the pressing device to fall onto the wedge plate 503, forming a C-shaped frame structure during the pressing process. The robot gripper drives the ring gear 9 to rotate, and the sensor... Feedback causes the telescopic pin 6031 of the pin device 603 to initially align with the threaded hole of the differential 10. The bearing 602 allows the pin to fine-tune its angle. The telescopic pin 6031 extends and inserts into the hole of the ring gear 9. The robot 8 further rotates the ring gear 9 so that the pin is fully inserted into the threaded hole of the differential 10. The pin device 603 and the bearing 602 achieve high-precision alignment. The robot gripper releases and returns to its original position. The servo press 401 drives the press head 601 to press down through the connecting rod 402, pressing the ring gear onto the differential. The wedge plate 503 evenly transmits the pressing force. The pressing stops after the pressure sensor detects the position. The servo press 401 provides controllable pressing force to ensure consistent pressing depth. The lifting device 4 rises, the clamping plate 503 retracts, the lifting device 4 falls, the spindle 702 retracts, and the differential is released by the pneumatic gripper 701. The lifting device 4 rises, the pin 6031 resets, and all components return to their initial positions, ready for the next cycle.

[0026] Although embodiments of the present invention have been shown and described, it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, it will be understood by those skilled in the art that all other embodiments obtained by making various changes, modifications, substitutions and alterations to these embodiments without departing from the principles and spirit of the present invention and without creative effort are within the scope of protection of the present invention.

Claims

1. A multifunctional annular gear press-fitting device, characterized in that, include: The pressing station and robot (8) are provided with a robot gripper independently on the side of the pressing station. The pressing station includes: a base (1) at the bottom, a support frame (2) and a worktable (3) fixed on the base (1), a lifting device (4) fixed on the upper part of the support frame (2), a wedge clamping device (5) on the side of the lifting device (4), and a pressing device (6) connected below. A backing device (7) is provided inside the pressing device (6). The pressing device (6) is located above the worktable (3). The pressing device (6) includes a pressing head (601). The pressing head (601) is connected to a pin device (603) through a bearing (602). The backing device (7) includes: two symmetrically arranged backing air grippers (701). A spindle (702) is provided inside the two backing air grippers (701). A hook is provided at the lower end of the backing air grippers (701).

2. The multifunctional annular gear press-fitting device according to claim 1, characterized in that, The wedge clamping device (5) includes: a wedge clamping guide rail (501) and a wedge clamping cylinder (502) fixed on the support frame (2), a wedge clamping plate (503) slidably connected on the wedge clamping guide rail (501), and the piston end of the wedge clamping cylinder (502) fixedly connected to the wedge clamping plate (503).

3. The multifunctional annular gear press-fitting device according to claim 2, characterized in that, The lifting device (4) includes a servo press (401), the output end of which is connected to a connecting rod (402), and the lower end of the connecting rod (402) is connected to the pressing device (6).

4. The multifunctional annular gear press-fitting device according to claim 3, characterized in that, The latch device (603) is equipped with a telescopic pin (6031).

5. The multifunctional annular gear press-fitting device according to claim 4, characterized in that, The reverse gripper (701) is pneumatically controlled to open and close, and the spindle (702) defines the position of the reverse gripper (701).

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