A wheel hub gripping device adapted to a robot
By introducing a servo motor-driven toothed belt transmission into the robot gripping device, the synchronous reciprocating motion of the gripper assembly is achieved, solving the problem of long operation cycle time of the gripping device in the prior art, and improving the operating efficiency of the production line and the utilization rate of equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- QINHUANGDAO DICASTAL XIONGLONG WHEEL
- Filing Date
- 2025-08-12
- Publication Date
- 2026-07-10
AI Technical Summary
Existing robotic gripping devices require long operation cycles in the production of forged wheel hubs, resulting in low production line operating efficiency and low equipment utilization.
The dual gripping device adopts a T-shaped sliding connection on the frame, including a servo motor on the frame and a toothed sliding groove. The dual gripping device includes a servo motor and a toothed sliding groove on the frame, and a connecting part on the frame for fixing and connecting the robot. The gripper assembly is slidably connected to the T-shaped sliding groove through a slide block. The servo motor drives the toothed belt to realize the synchronous reciprocating motion of the gripper assembly.
It enables rapid gripping and placement within a limited space, shortens work cycle time, and improves production line efficiency and equipment utilization.
Smart Images

Figure CN224477590U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of wheel hub manufacturing technology, and in particular to a wheel hub gripping device adapted to a robot. Background Technology
[0002] In automated production lines for forged wheel hubs, robots typically use gripping devices connected to robotic arms to perform the gripping and placement of wheel hub blanks. However, existing solutions suffer from significant efficiency bottlenecks: when placing a wheel blank into a mold or removing a finished wheel hub from a mold, due to limitations in workspace and orientation, the robot must first completely move the gripping device out of the mold's working area, and then perform an additional 180-degree rotation to adjust the gripper's posture before completing the placement or removal task. This process requires the robotic arm to sequentially perform tedious steps such as moving out, rotating, and returning, significantly delaying the single-cycle operation and resulting in a substantial increase in waiting time for the upstream die-casting machine and the downstream spinning machine, thus restricting the overall production line's operational efficiency and equipment utilization.
[0003] Therefore, it is urgent to optimize the structure of existing robotic gripping devices to eliminate or reduce the aforementioned redundant actions, achieve faster material handling and unloading, and thus improve overall production efficiency. Utility Model Content
[0004] The purpose of this invention is to address the above-mentioned problems by providing a wheel hub gripping device adapted to robots, thereby solving the problem that the long cycle time of a single operation of the robot gripping device in the existing forged wheel hub production restricts the operating efficiency of the production line and the utilization rate of the equipment.
[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:
[0006] A wheel hub gripping device adapted to a robot includes a frame, on which a connecting part for fixing and connecting the robot is provided; a gripper assembly for gripping and placing wheel hubs is movably connected to the frame; a T-shaped slide groove is provided along the length of the frame, and a slide block is slidably connected in the T-shaped slide groove, and the gripper assembly is slidably connected to the T-shaped slide groove through the slide block.
[0007] Preferably, the frame is provided with a drive assembly for moving the gripper assembly. The drive assembly includes a servo motor fixedly connected to the frame. A drive pulley is connected to the output shaft of the servo motor. The drive pulley meshes with a toothed belt. The other end of the toothed belt passes around a driven pulley located at the other end of the frame, forming a closed-loop transmission structure. The slide is fixedly connected to the toothed belt.
[0008] Preferably, a second gripper assembly is provided on the opposite side of the frame in the width direction. The second gripper assembly is fixedly connected to the toothed belt and slidably connected to the frame. The toothed belt can synchronously drive the gripper assembly and the second gripper assembly to perform linear reciprocating motion in opposite directions.
[0009] Preferably, the second gripper assembly is symmetrically arranged on both sides of the frame to maintain the balance of the frame's center of gravity.
[0010] The beneficial effects of this utility model are as follows:
[0011] The gripper assembly in this invention can flexibly adjust its position through displacement on the frame, eliminating the redundant action of the robotic arm moving the entire device out of the mold working area and flipping it. Position adjustment can be completed directly within a limited space, significantly shortening the work cycle time and improving the operating efficiency of the production line. The symmetrical arrangement of the dual gripper assemblies enables synchronous operation of "picking up the finished product and placing the blank," combining two traditional independent actions into a single compound action. Furthermore, the reverse synchronous transmission via a toothed belt avoids the robotic arm's rotational adjustment action, further improving the equipment utilization rate of the entire production line. Attached Figure Description
[0012] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.
[0013] Figure 1 This is a schematic diagram of the structure of this utility model.
[0014] Figure 2 for Figure 1 A side view structural diagram.
[0015] In the diagram: 10--Frame; 11--Connecting part; 12--T-shaped slide; 20--Gripper assembly; 21--Slide block; 31--Servo motor; 32--Output shaft; 33--Drive pulley; 34--Toothed belt; 35--Driven pulley; 40--Second gripper assembly. Detailed Implementation
[0016] 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. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0017] like Figure 1-2As shown, a wheel hub gripping device adapted to a robot includes a frame 10, on which a connecting part 11 is provided for fixing and connecting the robot; a gripper assembly 20 is movably connected to the frame 10 for gripping and placing the wheel hub; a T-shaped slide groove 12 is provided on the frame 10, extending along the length of the frame 10, and a slide block 21 is slidably connected within the T-shaped slide groove 12. The gripper assembly 20 is slidably connected to the T-shaped slide groove 12 through the slide block 21, allowing the gripper assembly 20 to slide stably along the T-shaped slide groove 12, thereby realizing the displacement of the gripper assembly 20 on the frame 10. In this embodiment, the gripper assembly 20 can adopt conventional clamps used for wheel hub gripping and transfer in the prior art, which will not be described in detail here.
[0018] In use, the wheel hub gripping device is connected and fixed to the robot's robotic arm via the connecting part 11. The robotic arm drives the frame 10 to move to the position where the wheel hub is to be gripped for gripping. During this process, the gripper assembly 20 moves to a suitable position through the sliding engagement of the slide block 21 and the T-shaped slide groove 12 to complete the wheel hub gripping or placement action. This embodiment allows the gripper assembly 20 to flexibly adjust its position through the displacement on the frame 10, eliminating the redundant action of the robotic arm moving the entire device out of the mold working area and flipping it over. Position adjustment can be completed directly within a limited space, significantly shortening the operation cycle time and improving the operating efficiency of the production line.
[0019] In a preferred embodiment, the frame 10 is equipped with a drive assembly for driving the gripper assembly 20 to achieve automated movement. The drive assembly includes a servo motor 31 fixedly connected to the frame 10 as the drive source. A drive pulley 33 is keyed to the output shaft 32 of the servo motor 31. The drive pulley 33 engages with a toothed belt 34, and the other end of the toothed belt 34 passes over a driven pulley 35 located at the other end of the frame 10, forming a closed-loop transmission structure. The slide block 21 is rigidly fixed to the toothed belt 34 with bolts. When the servo motor 31 operates, it rotates the drive pulley 33, driving the toothed belt 34 to move, which in turn drives the slide block 21 and the gripper assembly 20 connected to it to move along the T-shaped slide groove 12. This embodiment uses a combination of servo motor and toothed belt transmission to achieve automated and precise displacement of the gripper assembly, ensuring accurate positioning of the hub within the confined mold space.
[0020] A second gripper assembly 40 is provided on opposite sides of the frame 10 in the width direction. The second gripper assembly 40 is also fixedly connected to the toothed belt 34 and slidably connected to the frame 10 through symmetrically arranged T-shaped grooves. The toothed belt 34 can synchronously drive the gripper assembly 20 and the second gripper assembly 40 to perform synchronous linear reciprocating motion in opposite directions. When gripping the wheel hub, the robotic arm moves the frame 10 to the position where the wheel hub is to be gripped. At this time, the unloaded gripper assembly 20 grips the finished wheel hub and removes it from the mold, carrying the finished wheel hub backward along the frame 10; at the same time, the second gripper assembly 40 holding the wheel hub blank moves forward synchronously, placing the wheel hub blank to be spun on the mold. The robot can complete the material handling and placement switching in a single action, quickly completing the wheel hub gripping and placement actions. The symmetrical arrangement of the dual gripper assembly enables the synchronous operation of "picking up finished products and placing blanks", combining the two traditional independent actions into one compound action. Through the reverse synchronous transmission of the toothed belt, the mechanical arm's rotation adjustment action is avoided, further improving the equipment utilization rate of the entire production line.
[0021] Preferably, the second gripper assembly 40 is symmetrically arranged on both sides of the frame 10 relative to the gripper assembly 20. During operation, the second gripper assembly 40 moves synchronously in the opposite direction to the gripper assembly 20. The symmetrical mass distribution effectively maintains the balance of the center of gravity of the frame 10, reduces the torque impact on the robot arm joints, and improves the robot's operational stability.
[0022] The above-disclosed embodiments are merely specific examples of this utility model, but this utility model is not limited thereto. For those skilled in the art, any modifications made without departing from the principle of this utility model should be considered as protected by this utility model.
Claims
1. A wheel hub gripping device adapted for robots, characterized in that: The system includes a frame (10), on which a connecting part (11) for fixing and connecting the robot is provided; a gripper assembly (20) for gripping and placing the wheel hub is movably connected to the frame (10); a T-shaped slide groove (12) is provided along the length of the frame (10), and a slide seat (21) is slidably connected in the T-shaped slide groove (12), and the gripper assembly (20) is slidably connected to the T-shaped slide groove (12) through the slide seat (21).
2. The wheel hub gripping device adapted to a robot according to claim 1, characterized in that: The frame (10) is provided with a drive assembly for moving the gripper assembly (20). The drive assembly includes a servo motor (31) fixedly connected to the frame (10). A drive pulley (33) is connected to the output shaft (32) of the servo motor (31). The drive pulley (33) meshes with a toothed belt (34). The other end of the toothed belt (34) passes around a driven pulley (35) located at the other end of the frame (10), forming a closed-loop transmission structure. The slide (21) is fixedly connected to the toothed belt (34).
3. A wheel hub gripping device adapted to a robot according to claim 2, characterized in that: A second gripper assembly (40) is provided on the opposite side of the frame (10) in the width direction. The second gripper assembly (40) is fixedly connected to the toothed belt (34) and slidably connected to the frame (10). The toothed belt (34) can synchronously drive the gripper assembly (20) and the second gripper assembly (40) to perform linear reciprocating motion in opposite directions.
4. A wheel hub gripping device adapted to a robot according to claim 3, characterized in that: The second gripper assembly (40) and the gripper assembly (20) are symmetrically arranged on both sides of the frame (10) to maintain the balance of the center of gravity of the frame (10).