Wheel hub carrying robot

Abstract

The utility model discloses a kind of mechanical hands for wheel hub carrying, it is related to the field of mechanical hand, including cantilever, fixedly installed with pneumatic clamping assembly on cantilever, pneumatic clamping assembly includes two clamping arms, the outer end of clamping arm is fixedly installed with mounting block, bottom support assembly is installed on mounting block, bottom support assembly is composed of connecting plate, screw rod, handle, limiting guide plate, arc fixed strip, arc movable strip and connecting piece, by setting mounting block on clamping arm, bottom support assembly is set on mounting block and is composed of connecting plate, screw rod, handle, limiting guide plate, arc fixed strip, arc movable strip and connecting piece, when pneumatic clamping assembly is from outer periphery clamping wheel hub and carries wheel hub, bottom support assembly can be used to support wheel hub from below, effectively make up the deficiency that traditional mechanical hand only relies on clamping force, greatly improve the stability in wheel hub carrying process.

Description

Technical Field

[0001] This utility model relates to the field of robotic arms, and in particular to a robotic arm for handling wheel hubs. Background Technology

[0002] In industrial settings such as automobile manufacturing, repair, and wheel production, wheels are a core component, and their handling processes require stringent standards for efficiency and safety. Wheel handling robots are key equipment for replacing manual handling and achieving automated operations. Through the coordinated operation of their mechanical structure and drive system, they can precisely complete a series of operations such as gripping, transferring, and placing wheels, effectively reducing manual labor intensity, avoiding wheel damage caused by human error, and significantly improving the operational pace and standardization of production lines. They have become an indispensable piece of automated equipment in the modern wheel industry.

[0003] However, existing traditional wheel hub handling robots have significant limitations in their structural design, mostly possessing only a single clamping function. These robots typically use symmetrically arranged clamping arms to clamp and fix the wheel hub from its outer or inner circumference, thereby achieving handling. However, wheel hubs are mostly hollow disc-shaped structures, and some wheel hubs are quite heavy. When relying solely on clamping force to maintain the gripping state, improper control of the clamping force can easily lead to wheel hub slippage, displacement, or even falling. Especially during handling, when encountering equipment vibration or path adjustments, the lack of bottom support results in extremely poor wheel hub stability, which may not only cause quality problems such as surface scratches and deformation, but also pose safety hazards to surrounding equipment and operators. Therefore, this application proposes a wheel hub handling robot to solve the above problems. Utility Model Content

[0004] The main objective of this invention is to provide a robotic arm for handling wheel hubs, which can effectively solve the problems in the background art.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: A robotic arm for handling wheel hubs includes a cantilever arm on which a pneumatic gripping assembly is fixedly mounted. The pneumatic gripping assembly comprises two gripping arms, with a mounting block fixedly mounted on the outer end of each gripping arm. A bottom support assembly is mounted on the mounting block. The bottom support assembly consists of a connecting plate, a lead screw, a handle, a limiting guide plate, an arc-shaped fixing strip, an arc-shaped movable strip, and connecting members. The lead screw is rotatably mounted on the upper end of the connecting plate, the handle is fixedly mounted on the upper end of the lead screw, the limiting guide plate is fixedly mounted on the upper end of the connecting plate, the arc-shaped fixing strip is fixedly mounted on the inner end of the limiting guide plate, there are two connecting members that are symmetrically rotatably mounted within the arc-shaped fixing strip, and there are two arc-shaped movable strips that are respectively fixedly mounted on one end of each of the two connecting members.

[0006] Preferably, the cantilever is mounted on the vertical arm, and the pneumatic clamping assembly further includes a U-shaped frame, a cylinder, and a clamping arm.

[0007] Preferably, the U-shaped frame is fixedly mounted on the cantilever, and there are two cylinders that are symmetrically fixedly mounted on the two side walls of the U-shaped frame. The two clamping arms are located on the two sides of the U-shaped frame, and the clamping arms are fixedly connected to the piston rod of the cylinder.

[0008] Preferably, the mounting block has a threaded hole and a limiting guide groove on its outer wall, and both the threaded hole and the limiting guide groove pass through the mounting block vertically.

[0009] Preferably, the lead screw on the bottom support assembly is installed in the threaded hole on the mounting block, the limiting guide plate is movably installed in the limiting guide groove on the mounting block, the handle is located above the clamping arm, and the connecting plate, the arc-shaped fixing strip, the arc-shaped movable strip, and the connecting piece are all located below the clamping arm.

[0010] Preferably, two connecting grooves are symmetrically formed on the arc-shaped fixing strip, and the connector is rotatably installed in the connecting groove.

[0011] Compared with the prior art, the present invention has the following beneficial effects: By installing a mounting block on the gripping arm, and mounting the mounting block with a bottom support assembly consisting of a connecting plate, lead screw, handle, limit guide plate, arc-shaped fixing strip, arc-shaped movable strip, and connecting parts, the bottom support assembly can support the wheel hub from below when the pneumatic gripping assembly clamps the wheel hub from the outside to move it. This effectively compensates for the shortcomings of traditional robotic arms that rely solely on clamping force, significantly improving the stability during wheel hub handling. This dual fixing structure of "clamping + support" can effectively avoid problems caused by improper clamping force, equipment vibration, or path deviation. Fine-tuning reduces issues like wheel slippage, misalignment, and even falling, minimizing quality loss due to surface scratches and deformation. This lowers safety hazards to surrounding equipment and personnel, significantly improving the safety and reliability of handling operations and adapting to wheel handling needs in more scenarios. Rotating the handle drives the lead screw to rotate within the threaded hole of the mounting block. Combined with the guiding action of the limit guide plate within the limit guide rail groove, this allows for precise adjustment of the overall height of the bottom support component, accommodating wheel hubs of different thicknesses and ensuring a tight fit with the bottom of the wheel hub, further enhancing the support effect. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram showing the positional relationship between the pneumatic clamping assembly, the mounting block, and the bottom support assembly of this utility model. Figure 3 For the present utility model Figure 2 A magnified view of point A; Figure 4 This is an exploded view of the bottom support component of this utility model.

[0013] In the diagram: 1. Cantilever; 2. Pneumatic clamping assembly; 3. Mounting block; 4. Bottom support assembly; 5. Vertical arm; 6. U-shaped frame; 7. Cylinder; 8. Clamping arm; 9. Threaded hole; 10. Limiting guide groove; 11. Connecting plate; 12. Lead screw; 13. Handle; 14. Limiting guide plate; 15. Arc-shaped fixing strip; 16. Connecting groove; 17. Arc-shaped movable strip; 18. Connecting piece. Detailed Implementation

[0014] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0015] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4As shown, a wheel hub handling robot includes a cantilever 1, on which a pneumatic gripping assembly 2 is fixedly mounted. The pneumatic gripping assembly 2 includes two gripping arms 8, and mounting blocks 3 are fixedly mounted on the outer ends of the gripping arms 8. A bottom support assembly 4 is mounted on the mounting blocks 3. The bottom support assembly 4 consists of a connecting plate 11, a lead screw 12, a handle 13, a limiting guide plate 14, an arc-shaped fixing strip 15, an arc-shaped movable strip 17, and a connecting piece 18. The lead screw 12 is rotatably mounted on the upper end of the connecting plate 11, and the handle 13... The screw 12 is fixedly installed on the upper end of the lead screw 12. The limiting guide plate 14 is fixedly installed on the upper end of the connecting plate 11. The arc-shaped fixing strip 15 is fixedly installed on the inner end of the limiting guide plate 14. There are two connecting pieces 18, which are symmetrically rotated and installed inside the arc-shaped fixing strip 15. There are two arc-shaped movable strips 17, which are respectively fixedly installed on one end of the two connecting pieces 18. The clamping arm 8 is provided with a mounting block 3, and the mounting block 3 is provided with the connecting plate 11, lead screw 12, handle 13, limiting guide plate 14, and arc-shaped fixing strip 15. The bottom support assembly 4, composed of the arc-shaped movable strip 17 and the connecting piece 18, can support the wheel hub from below when the pneumatic clamping assembly 2 clamps the wheel hub from the outside to move it. This effectively makes up for the shortcomings of traditional robotic arms that rely solely on clamping force, and greatly improves the stability during wheel hub handling. This dual fixing structure of "clamping + support" can effectively avoid wheel hub slippage, displacement, or even falling due to improper clamping force, equipment vibration, or path fine adjustment. It also reduces quality loss such as scratches and deformation on the wheel hub surface, reduces safety hazards to surrounding equipment and operators, and significantly improves the safety and reliability of handling operations, adapting to wheel hub handling needs in more scenarios. Rotating the handle 13 can drive the lead screw 12 to rotate in the threaded hole 9 of the mounting block 3. With the guiding action of the limiting guide plate 14 in the limiting guide groove 10, the overall height of the bottom support assembly 4 can be precisely adjusted to adapt to wheel hubs of different thicknesses, ensuring a tight fit with the bottom of the wheel hub and further enhancing the support effect.

[0016] Specifically, the cantilever 1 is mounted on the vertical arm 5. The pneumatic clamping assembly 2 also includes a U-shaped frame 6, cylinders 7, and clamping arms 8. The U-shaped frame 6 is fixedly mounted on the cantilever 1. There are two cylinders 7, which are symmetrically fixedly mounted on the two side walls of the U-shaped frame 6. The two clamping arms 8 are located on both sides of the U-shaped frame 6, and the clamping arms 8 are fixedly connected to the piston rods of the cylinders 7. The mounting block 3 has a threaded hole 9, and the outer wall of the mounting block 3 has a limit guide groove 10. Both the threaded hole 9 and the limit guide groove 10 pass through the mounting block 3 vertically. The lead screw 12 on the bottom support assembly 4 is installed in the threaded hole 9 on the mounting block 3. The limit guide plate 14 is movably mounted in the limit guide groove 10 on the mounting block 3. Inside the 0, the handle 13 is located above the clamping arm 8. The connecting plate 11, the arc-shaped fixing strip 15, the arc-shaped movable strip 17, and the connector 18 are all located below the clamping arm 8. Two connecting grooves 16 are symmetrically opened on the arc-shaped fixing strip 15. The connector 18 is rotatably installed in the connecting groove 16. When using this wheel hub handling robot to handle a wheel hub, first operate the equipment to move the cantilever 1 to move the pneumatic clamping assembly 2 to the corresponding position of the wheel hub to be handled, so that the two clamping arms 8 on the pneumatic clamping assembly 2 are respectively located on both sides of the part of the wheel hub to be clamped. Then, start the two cylinders 7 in the pneumatic clamping assembly 2. The piston rod of the cylinder 7 pulls the two clamping arms 8 to move towards the wheel hub until the two clamping arms 8 are closed. The clamping arm 8 clamps and fixes the hub from the outer periphery, completing the clamping of the hub by the pneumatic clamping assembly 2. Then, through the coordinated operation of the vertical arm 5 and the cantilever 1, the clamped hub is moved and gradually suspended in the air. After the hub is suspended and stable, the operator turns the handle 13. The handle 13 drives the lead screw 12 to rotate in the threaded hole 9 on the mounting block 3. At the same time, the limiting guide plate 14 slides downward vertically in the limiting guide rail groove 10 on the outer wall of the mounting block 3, thereby driving the connecting plate 11 and the arc-shaped fixing strip 15 to move downward synchronously until the upper end of the arc-shaped fixing strip 15 is lower than the lower end of the hub. Then, the connecting piece 18 and the arc-shaped movable strip 17 are rotated inward on the arc-shaped fixing strip 15, so that the arc-shaped fixed strip 15 moves downward. The movable bar 17 moves to the bottom of the wheel hub, and then the handle 13 is rotated in the opposite direction, causing the lead screw 12 to drive the connecting plate 11, the limiting guide plate 14, the arc-shaped fixing bar 15, the connector 18, and the arc-shaped movable bar 17 to move upward, so that the arc-shaped movable bar 17 is close to the bottom of the wheel hub, thereby supporting the bottom of the wheel hub. Then the wheel hub can be moved to the target position using the wheel hub handling robot. After that, the handle 13 is adjusted in the opposite direction to make the connecting plate 11, the limiting guide plate 14, the arc-shaped fixing bar 15, the connector 18, and the arc-shaped movable bar 17 move downward away from the wheel hub, and the arc-shaped movable bar 17 moves away from the bottom of the wheel hub. Then the cylinder 7 is controlled to make the clamping arm 8 release the wheel hub, completing the wheel hub release.

[0017] Specifically, the cantilever 1 is the core component of the robot for bearing and horizontal displacement. One end of it is fixed to the pneumatic clamping assembly 2, and the other end is connected to the vertical arm 5. It has horizontal extension and rotation functions. The horizontal position of the pneumatic clamping assembly 2 can be adjusted through the internal drive mechanism and transmission components. The vertical arm 5 serves as the mounting base and vertical drive component of the cantilever 1, and can provide vertical driving force to drive the cantilever 1 to achieve lifting and lowering movements. When the two work together, the vertical arm 5 first drives the cantilever 1 to rise and fall to a height that matches the wheel hub to be transported. Then, the cantilever 1 moves horizontally to move the pneumatic clamping assembly 2 to the corresponding position on the wheel hub. After the clamping arm 8 clamps the wheel hub, the vertical arm 5 and the cantilever 1 work together again to complete the combined lifting and horizontal movement, and smoothly transport the wheel hub to the target position, jointly providing support for the spatial displacement of the wheel hub. The above technology is existing technology and will not be described in detail here.

[0018] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A wheel hub handling robot, comprising a cantilever (1), wherein a pneumatic clamping assembly (2) is fixedly mounted on the cantilever (1), the pneumatic clamping assembly (2) comprising two clamping arms (8), characterized in that: An installation block (3) is fixedly installed on the outer end of the clamping arm (8). A bottom support assembly (4) is installed on the installation block (3). The bottom support assembly (4) consists of a connecting plate (11), a lead screw (12), a handle (13), a limiting guide plate (14), an arc-shaped fixing strip (15), an arc-shaped movable strip (17), and a connector (18). The lead screw (12) is rotatably installed on the upper end of the connecting plate (11). The handle (13) is fixedly installed on the upper end of the lead screw (12). The limiting guide plate (14) is fixedly installed on the upper end of the connecting plate (11). The arc-shaped fixing strip (15) is fixedly installed on the inner end of the limiting guide plate (14). There are two connectors (18) that are symmetrically rotatably installed inside the arc-shaped fixing strip (15). There are two arc-shaped movable strips (17) that are respectively fixedly installed on one end of the two connectors (18).

2. The robotic arm for handling wheel hubs according to claim 1, characterized in that: The cantilever (1) is mounted on the vertical arm (5), and the pneumatic clamping assembly (2) also includes a U-shaped frame (6), a cylinder (7), and a clamping arm (8).

3. The robotic arm for handling wheel hubs according to claim 2, characterized in that: The U-shaped frame (6) is fixedly installed on the cantilever (1). There are two cylinders (7) that are symmetrically fixedly installed on the two side walls of the U-shaped frame (6). The two clamping arms (8) are located on the two sides of the U-shaped frame (6) respectively, and the clamping arms (8) are fixedly connected to the piston rod of the cylinder (7).

4. The robotic arm for handling wheel hubs according to claim 3, characterized in that: The mounting block (3) has a threaded hole (9) and a limiting guide groove (10) on its outer wall. The threaded hole (9) and the limiting guide groove (10) both pass through the mounting block (3) vertically.

5. A robotic arm for handling wheel hubs according to claim 4, characterized in that: The lead screw (12) on the bottom support assembly (4) is installed in the threaded hole (9) on the mounting block (3), the limiting guide plate (14) is movably installed in the limiting guide groove (10) on the mounting block (3), the handle (13) is located above the clamping arm (8), and the connecting plate (11), the arc-shaped fixing strip (15), the arc-shaped moving strip (17) and the connector (18) are all located below the clamping arm (8).

6. A robotic arm for handling wheel hubs according to claim 5, characterized in that: Two connecting grooves (16) are symmetrically opened on the arc-shaped fixing strip (15), and the connector (18) is rotatably installed in the connecting groove (16).

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