Self-adaptive clamping jaw

Abstract

The self-adaptive clamping jaw comprises a support, a pressing plate and two clamping units, the support is in a U shape, the two clamping units are arranged at the top and the bottom of the pressing plate respectively, each clamping unit comprises a connecting plate, a clamping plate and a clamping block, one end of the connecting plate is hinged to the pressing plate, the other end of the connecting plate is hinged to the clamping plate, and the clamping plate is connected with the clamping block. A clamping block is arranged at the end, opposite to the connecting plate, of the clamping plate and arranged on the side, facing the pressing plate, of the clamping plate, and the two ends of the middle of the clamping plate are rotationally connected to the support. According to the self-adaptive clamping jaw, the pressing plate and the two clamping units are adopted, the clamping force can be changed in a self-adaptive mode according to the distance of a clamped object pushing the pressing plate, and the larger the force pushing the pressing plate is, the tighter the two clamping blocks are in clamping; and the spring is arranged, the pressing plate can be reset so that the two clamping plates can be opened, and the clamping jaw can be loosened easily.

Description

Technical Field

[0001] The utility model relates to a clamping claw technology, in particular to an adaptive clamping claw. Background Art

[0002] With the continuous advancement and development of science and technology, industrial automation is gradually becoming a key force in promoting productivity and economic development. In this wave of automation, grippers, as a commonly used tool in industry, are actively leading the intelligent revolution of industrial automation.

[0003] However, the existing grippers are driven by servo motors, which are expensive, complex to control and debug, and difficult to maintain. Utility Model Content

[0004] In order to solve the defects of the above-mentioned prior art, the utility model provides an adaptive clamping claw, which can adapt the clamping force according to the distance from the clamped object. The closer the distance, that is, the greater the thrust, the tighter the clamping claw clamps.

[0005] In order to achieve the above technical objectives, the utility model adopts the following technical solutions: an adaptive clamp, including a bracket, a pressure plate and two clamping units, the bracket is U-shaped, the two clamping units are respectively arranged at the top and bottom of the pressure plate, the clamping unit includes a connecting plate, a clamping plate and a clamping block, one end of the connecting plate is hinged to the pressure plate, the other end of the connecting plate is hinged to the clamping plate, the clamping plate is provided with a clamping block relative to one end of the connecting plate, the clamping block is arranged on the side of the clamping plate facing the pressure plate, and both ends of the middle part of the clamping plate can be rotatably connected to the bracket.

[0006] Preferably, the clamping plate is provided with a avoidance groove, and the avoidance groove is used to accommodate the connecting plate.

[0007] Preferably, a spring is provided between the pressing plate and the bracket, and the spring is used to reset the pressing plate so as to open the two clamping plates.

[0008] Preferably, a threaded hole is provided at the center of the bracket, a bolt is threadedly fitted on the threaded hole, a guide rod is fixed on the bolt, the guide rod passes through the spring and extends into the through hole, and the through hole is provided at the center of the pressure plate.

[0009] Preferably, a pressure rod is provided on the bracket, and the pressure rod is fixed to the side of the pressure plate facing the clamping block.

[0010] Preferably, an axial hole is provided in the middle of the clamping plate, and both ends of the axial hole are matched with rotating shafts, and the rotating shaft passes through the bracket, and a convex plate is fixed to one side of the clamping plate.

[0011] Preferably, the convex plate is provided with a pin hole, and a locking pin is passed through the pin hole, and the locking pin fixes the convex plate to the bracket.

[0012] In summary, the utility model has achieved the following technical effects:

[0013] The adaptive clamping claw of the utility model adopts a pressure plate and two clamping units, which can adaptively change the clamping force according to the distance that the clamped object pushes the pressure plate. The greater the force pushing the pressure plate, the tighter the two clamping blocks clamp. In addition, a spring is provided to reset the pressure plate so as to open the two clamping plates and facilitate the loosening of the clamping claw. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the adaptive clamping claw of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the adaptive clamping jaw of the utility model;

[0016] Figure 3 yes Figure 2 AA section view;

[0017] Explanation of the reference numerals in the drawings in the specification: 1. bracket; 2. threaded hole; 3. guide rod; 4. spring; 5. pressure plate; 6. connecting plate; 7. clamping plate; 8. avoidance groove; 9. shaft hole; 10. clamping block; 11. pressure rod; 12. rotating shaft; 13. pin hole. DETAILED DESCRIPTION

[0018] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0019] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

[0020] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0021] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0022] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0024] Embodiment 1:

[0025] like Figure 1-3 As shown, an adaptive clamp includes a bracket 1, a pressure plate 5 and two clamping units, the bracket 1 is U-shaped, the two clamping units are respectively arranged on the top and bottom of the pressure plate 5, the clamping unit includes a connecting plate 6, a clamping plate 7 and a clamping block 10, one end of the connecting plate 6 is hinged to the pressure plate 5, and the other end of the connecting plate 6 is hinged to the clamping plate 7, the clamping block 10 is provided at one end of the clamping plate 7 relative to the connecting plate 6, the clamping block 10 is arranged on the side of the clamping plate 7 facing the pressure plate 5, and both ends of the middle part of the clamping plate 7 can be rotatably connected to the bracket 1.

[0026] The clamping plate 7 is provided with a avoiding groove 8 , and the avoiding groove 8 is used to accommodate the connecting plate 6 ; the setting of the avoiding groove 8 can avoid interference between the connecting plate 6 and the clamping plate 7 .

[0027] A spring 4 is provided between the pressing plate 5 and the bracket 1 , and the spring 4 is used to reset the pressing plate 5 so as to open the two clamping plates 7 .

[0028] A threaded hole 2 is provided at the center of the bracket 1, and a bolt is threaded on the threaded hole 2. A guide rod 3 is fixed on the bolt. The guide rod 3 passes through the spring 4 and extends into a through hole. The through hole is provided at the center of the pressure plate 5. The provision of the guide rod 3 limits the extension and contraction direction of the spring 4 and the moving direction of the pressure rod 11 to prevent the pressure rod 11 from being misplaced and causing the clamping unit to get stuck.

[0029] The bracket 1 is provided with a pressing rod 11 , and the pressing rod 11 is fixed to a side of the pressing plate 5 facing the clamping block 10 .

[0030] An axial hole 9 is provided in the middle of the splint 7, and rotating shafts 12 are matched at both ends of the axial hole 9. The rotating shaft 12 passes through the bracket 1, and a convex plate is fixed to the rotating shaft 12 on one side of the splint 7; a pin hole 13 is provided on the convex plate, and a locking pin is passed through the pin hole 13, and the locking pin fixes the convex plate to the bracket 1.

[0031] The adaptive clamping jaws of this embodiment adopt a pressure plate 5 and two clamping units, which can adaptively change the clamping force according to the distance that the clamped object pushes the pressure plate 5. The greater the force pushing the pressure plate 5, the tighter the two clamping blocks 10 clamp. In addition, a spring 4 is provided to reset the pressure plate 5 so as to open the two clamping plates 7, thereby facilitating the loosening of the clamping jaws.

[0032] The above description is only a preferred implementation mode of the present invention, and does not limit the present invention in any form. Any simple modification, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are within the scope of the technical solution of the present invention.

Claims

1. An adaptive gripper, characterized in that: It includes a bracket, a pressure plate and two clamping units. The bracket is U-shaped. The two clamping units are respectively arranged on the top and bottom of the pressure plate. The clamping unit includes a connecting plate, a clamping plate and a clamping block. One end of the connecting plate is hinged to the pressure plate, and the other end of the connecting plate is hinged to the clamping plate. The clamping plate is provided with a clamping block relative to one end of the connecting plate. The clamping block is arranged on the side of the clamping plate facing the pressure plate. Both ends of the middle part of the clamping plate can be rotatably connected to the bracket.

2. The adaptive gripper according to claim 1, characterized in that: The clamping plate is provided with a avoiding groove, and the avoiding groove is used for accommodating the connecting plate.

3. The adaptive gripper according to claim 1, characterized in that: A spring is arranged between the pressing plate and the bracket, and the spring is used for resetting the pressing plate so as to open the two clamping plates.

4. The adaptive gripper according to claim 3, characterized in that: A threaded hole is provided at the center of the bracket, a bolt is threadedly fitted on the threaded hole, a guide rod is fixed on the bolt, the guide rod passes through the spring and extends into the through hole, and the through hole is provided at the center of the pressure plate.

5. The adaptive gripper according to claim 1, characterized in that: The bracket is provided with a pressure rod, and the pressure rod is fixed to the side of the pressure plate facing the clamping block.

6. The adaptive gripper according to claim 1, characterized in that: An axial hole is provided in the middle of the clamping plate, and rotating shafts are matched at both ends of the axial hole. The rotating shaft passes through the bracket, and a convex plate is fixed to one side of the clamping plate.

7. The adaptive gripper according to claim 6, characterized in that: The convex plate is provided with a pin hole, and a locking pin is passed through the pin hole, and the locking pin fixes the convex plate to the bracket.

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