Centering clamping jaw mechanism

Abstract

The utility model provides a centering clamping jaw mechanism which comprises an external fixing block, the outer wall of the external fixing block is fixedly connected with a sliding rail through a bolt, the outer wall of the sliding rail is connected with a sliding block in a sliding mode, the outer wall of the sliding block is provided with a clamping assembly, the clamping assembly comprises a sliding mechanism and a clamping head, and the clamping head is driven to move when the sliding mechanism moves. Two sliding mechanisms are driven to move through an external structure, so that a sliding block slides on the outer wall of a sliding rail, two X synchronous structures are driven to drive the two sliding mechanisms to be synchronously separated, then two chucks are driven to be separated from each other, meanwhile, two fixing rods pull a reset spring to extend, and the elastic potential energy of the reset spring is increased; the two fuses are placed between the two fuses, after the external structure is unloaded, the elastic potential energy of the reset spring is used for driving the two sliding mechanisms to be closed and driving the two chucks to be closed to clamp and fix the fuses, irregular workpieces can be clamped and fixed, the production cost is low, and production is convenient.

Description

Technical Field

[0001] This utility model relates to the technical field of centering gripper mechanisms, and in particular to a centering gripper mechanism. Background Technology

[0002] Centering gripper mechanisms are widely used in various fields such as machining, automated assembly, material handling, and robot end effectors. Through their specific gripper structure, centering gripper mechanisms can precisely position and clamp workpieces, ensuring their stability and accuracy during machining or assembly. For example, in automobile manufacturing, robots using four-point centering grippers can efficiently and accurately handle car body parts, improving production efficiency and reducing quality risks.

[0003] While existing centering gripper mechanisms, such as four-jaw centering grippers, possess high adaptability and can handle workpieces of different shapes, sizes, and weights, their clamping capacity is still somewhat limited. For workpieces with extremely complex or irregular shapes, more complex algorithms and longer adjustment times may be required to achieve stable clamping, reducing the practicality of the device. Traditional centering grippers, such as four-jaw centering chucks, may fail to clamp workpieces simultaneously due to the synchronous movement of the four jaws, necessitating repeated adjustments, which limits their applicability to some extent. Centering gripper mechanisms, especially high-precision and intelligent grippers, typically have higher manufacturing costs than traditional fixtures. This is mainly due to the use of advanced mechanical design and intelligent control technology, as well as high-quality materials and precision manufacturing processes, resulting in higher production costs. Summary of the Invention

[0004] To address the aforementioned problems, this utility model proposes a centering gripper mechanism that has the advantages of being able to clamp and fix workpieces of different sizes and to clamp irregular workpieces, thereby more accurately solving the problems mentioned in the background art.

[0005] This utility model is achieved through the following technical solution:

[0006] This utility model proposes a centering gripper mechanism, including an external fixing block, a slide rail is bolted to the outer wall of the external fixing block, a slider is slidably connected to the outer wall of the slide rail, and a clamping component is provided on the outer wall of the slider.

[0007] The clamping assembly includes a sliding mechanism and a clamp, and the sliding mechanism moves to drive the clamp to move.

[0008] Furthermore, the outer fixing block is provided with two slide rails in the middle, and the outer walls of the two slide rails are slidably connected to the inner walls of the two sliders respectively. The two sliders are respectively fixedly connected to the two sliding mechanism bolts.

[0009] Furthermore, a fixing rod is bolted to the outer wall of the external fixing block, and one end of the fixing rod passes through the external fixing block. Two X-synchronization structures are rotatably connected to the outer wall of one end of the fixing rod, and the two X-synchronization structures are in a scissor shape.

[0010] Furthermore, a limiting rod is fixedly connected to the outer wall of the X-synchronization structure, and a sliding groove is provided on the outer wall of the sliding mechanism, with the inner wall of the sliding groove slidably connected to the outer wall of the limiting rod.

[0011] Furthermore, the outer wall of the sliding mechanism is bolted with a clamping plate, the inner wall of the clamping plate is fixedly connected to the clamp, and an arc-shaped groove is provided on the side of the clamp away from the clamping plate. A fuse is provided between the two clamps.

[0012] Furthermore, the outer wall of the sliding mechanism is rotatably connected to a guide wheel, and the outer wall of the guide wheel is slidably connected to the connection point.

[0013] Furthermore, a fixing rod is bolted to the outer wall of the sliding mechanism, and a return spring is sleeved on the outer wall of the fixing rod.

[0014] Furthermore, the outer walls of both sliding mechanisms are provided with fixing rods, and the two ends of the return spring are respectively sleeved on the outer walls of the two fixing rods.

[0015] The beneficial effects of this utility model are:

[0016] This utility model proposes a centering gripper mechanism that uses an external structure to drive two sliding mechanisms to move, causing the slider to slide on the outer wall of the slide rail. This causes two X-synchronization structures to simultaneously separate the two sliding mechanisms, which in turn causes the two grippers to separate from each other. At the same time, two fixed rods pull the return spring to extend, increasing the elastic potential energy of the return spring. Then, a fuse is placed between the two fuses. After the external structure releases the force, the elastic potential energy of the return spring drives the two sliding mechanisms to close together, and also drives the two grippers to close together, clamping and fixing the fuse. This mechanism can clamp and fix irregular workpieces, and has low production costs and is easy to manufacture. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0018] Figure 2 This is a schematic diagram of the exploded structure of this utility model;

[0019] Figure 3 This is a schematic diagram of the clamping structure of this utility model.

[0020] The attached figures are labeled as follows:

[0021] 1. External fixing block; 2. Slide rail; 3. Fixed round rod; 4. X-synchronization structure; 5. Slider; 6. Sliding mechanism; 7. Guide wheel; 8. Clamping plate; 9. Chuck; 10. Fixing rod; 11. Return spring; 12. Fuse. Detailed Implementation

[0022] To more clearly and completely illustrate the technical solution of this utility model, the following description, in conjunction with the accompanying drawings, will further explain this utility model.

[0023] Please refer to Figures 1-3 This utility model proposes a centering gripper mechanism, including an external fixing block 1, a slide rail 2 bolted to the outer wall of the external fixing block 1, a slider 5 slidably connected to the outer wall of the slide rail 2, and a clamping component provided on the outer wall of the slider 5.

[0024] The clamping assembly includes a sliding mechanism 6 and a chuck 9. When the sliding mechanism 6 moves, it drives the chuck 9 to move. A fixed round rod 3 is bolted to the outer wall of the external fixing block 1, and one end of the fixed round rod 3 passes through the external fixing block 1. Two X-synchronization structures 4 are rotatably connected to the outer wall of one end of the fixed round rod 3, and the two X-synchronization structures 4 are in a scissor shape. A limit rod is fixedly connected to the outer wall of the X-synchronization structure 4. A sliding groove is formed on the outer wall of the sliding mechanism 6, and the inner wall of the sliding groove is slidably connected to the outer wall of the limit rod. A clamping plate 8 is bolted to the outer wall of the sliding mechanism 6, and the inner wall of the clamping plate 8 is fixedly connected to the chuck 9. The chuck 9 is located away from the clamping plate 8. An arc-shaped groove is provided on the side, and a fuse 12 is placed between the two clamps 9. The external structure drives the two sliding mechanisms 6 to move, causing the slider 5 to slide on the outer wall of the slide rail 2. This drives the two X-synchronization structures 4 to simultaneously separate the two sliding mechanisms 6, thereby causing the two clamps 9 to separate from each other. At the same time, the two fixed rods 10 pull the return spring 11 to extend, increasing the elastic potential energy of the return spring 11. Then, the fuse 12 is placed between the two fuses 12. After the external structure releases the force, the elastic potential energy of the return spring 11 drives the two sliding mechanisms 6 to close together, and also drives the two clamps 9 to close together, clamping and fixing the fuse 12.

[0025] Two slide rails 2 are provided in the middle of the external fixed block 1, and the outer walls of the two slide rails 2 are slidably connected to the inner walls of the two sliders 5 respectively. The two sliders 5 are bolted to the two sliding mechanisms 6 respectively. The outer wall of the sliding mechanism 6 is rotatably connected to the guide wheel 7, and the outer wall of the guide wheel 7 is slidably connected to the connection. The outer wall of the sliding mechanism 6 is bolted to the fixing rod 10, and the outer wall of the fixing rod 10 is sleeved with the return spring 11. The outer walls of the two sliding mechanisms 6 are provided with fixing rods 10. The two ends of the return spring 11 are respectively sleeved on the outer walls of the two fixing rods 10, which facilitates the sliding of the slider 5 and reduces the frictional resistance and frictional loss between the slider 5 and the slide rail 2 when sliding. When the two sliding mechanisms 6 move, they can drive the two fixing rods 10 to separate from each other and stretch the return spring 11. The elastic potential energy of the return spring 11 increases. When the external structure is unloaded, the elastic potential energy of the return spring 11 is used to reset the sliding mechanism 6.

[0026] Working principle: During use, the external structure drives the two sliding mechanisms 6 to move, causing the slider 5 to slide on the outer wall of the slide rail 2. At the same time, it drives the two X-synchronization structures 4 to rotate on the outer wall of the fixed round rod 3. The outer wall of the X-synchronization structure 4 is fixedly connected to the limit rod and slides in the groove opened on the outer wall of the sliding mechanism 6. The two X-synchronization structures 4 drive the two sliding mechanisms 6 to separate synchronously, thereby driving the two clamps 9 to separate from each other. At the same time, the two fixed rods 10 pull the return spring 11 to extend, increasing the elastic potential energy of the return spring 11. Then, the fuse 12 is placed between the two fuses 12. After the external structure relieves the force, the elastic potential energy of the return spring 11 drives the two sliding mechanisms 6 to close together, and drives the two clamps 9 to close together, clamping and fixing the fuse 12. The arc-shaped groove opened on the outer wall of the clamp 9 allows it to fit against the surface of the workpiece and can clamp and fix irregular workpieces. The structure is simple, easy to produce, and has a low production cost.

[0027] Of course, there may be other implementations of this utility model. Based on this implementation, other implementations obtained by those skilled in the art without any creative effort are all within the scope of protection of this utility model.

Claims

1. A centering gripper mechanism, characterized in that, It includes an external fixing block (1), the outer wall of the external fixing block (1) is bolted to a slide rail (2), the outer wall of the slide rail (2) is slidably connected to a slider (5), and the outer wall of the slider (5) is provided with a clamping component; The clamping assembly includes a sliding mechanism (6) and a clamp (9), wherein the sliding mechanism (6) moves to drive the clamp (9) to move; The outer fixing block (1) has two slide rails (2) in the middle, and the outer walls of the two slide rails (2) are slidably connected to the inner walls of the two sliders (5), and the two sliders (5) are bolted to the two sliding mechanisms (6); The outer wall of the external fixing block (1) is bolted with a fixing rod (3), and one end of the fixing rod (3) passes through the external fixing block (1). The outer wall of one end of the fixing rod (3) is rotatably connected to two X-synchronization structures (4), and the two X-synchronization structures (4) are in a scissor shape. The outer wall of the sliding mechanism (6) is bolted with a clamping plate (8), the inner wall of the clamping plate (8) is fixedly connected to the clamp (9), and an arc groove is provided on the side of the clamp (9) away from the clamping plate (8). A fuse (12) is provided between the clamps (9). The outer wall of the sliding mechanism (6) is bolted with a fixing rod (10), and a return spring (11) is sleeved on the outer wall of the fixing rod (10).

2. The centering gripper mechanism according to claim 1, characterized in that, The outer wall of the X-synchronization structure (4) is fixedly connected to a limiting rod, and the outer wall of the sliding mechanism (6) is provided with a sliding groove, and the inner wall of the sliding groove is slidably connected to the outer wall of the limiting rod.

3. The centering gripper mechanism according to claim 1, characterized in that, The outer wall of the sliding mechanism (6) is rotatably connected to a guide wheel (7), and the outer wall of the guide wheel (7) is slidably connected to the connection point.

4. The centering gripper mechanism according to claim 1, characterized in that, The outer wall of the sliding mechanism (6) is provided with a fixing rod (10), and the two ends of the return spring (11) are respectively sleeved on the outer wall of the two fixing rods (10).

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