Clamping device

Abstract

The utility model provides a clamping device which comprises a first moving mechanism and a second moving mechanism. The clamp comprises a first driving part, a first clamping part and a second clamping part, the first clamping part and the second clamping part are oppositely arranged, the first driving part and the first clamping part are fixedly connected with the first moving part, and the second clamping part is fixedly connected with the first driving part; the first driving part is configured to drive the second clamping part to move in the first direction, so that the second clamping part and the first clamping part are close to each other, and an object to be clamped is clamped. The first moving part is configured to move in the second direction when the first driving part drives the second clamping part to make contact with the object to be clamped, and the second direction is opposite to the first direction. According to the utility model, the thrust applied by the second clamping part to the to-be-clamped object can be buffered, so that the to-be-clamped object is prevented from being turned over by the second clamping part, and the subsequent installation operation is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of clamping tools, in particular to a clamping device. Background Art

[0002] Pneumatic fingers, also known as pneumatic grippers or pneumatic grippers, are actuators that use compressed air as a power source to grip or grab workpieces. They are widely used by automation companies. Their main function is to replace human gripping work, which can effectively improve production efficiency and work safety. When existing grippers are gripping objects, due to the deviation of the position of the object to be gripped, the grippers are prone to overturning the object to be gripped, making it inconvenient to install the object. Utility Model Content

[0003] The embodiment of the utility model provides a clamping device, which can improve the technical problem that the existing clamping devices are prone to overturning the objects to be clamped.

[0004] In a first aspect, an embodiment of the present utility model provides a clamping device, comprising:

[0005] A first moving mechanism includes a first moving part;

[0006] A clamp, comprising a first driving part, a first clamping part and a second clamping part, wherein the first clamping part and the second clamping part are arranged opposite to each other, the first driving part and the first clamping part are fixedly connected to the first moving part, and the second clamping part is fixedly connected to the first driving part;

[0007] The first driving part is configured to drive the second clamping part to move along the first direction so that the second clamping part and the first clamping part are close to each other to clamp the object to be clamped;

[0008] The first moving portion is configured to move along a second direction opposite to the first direction when the first driving portion drives the second clamping portion to move to contact the object to be clamped.

[0009] In an embodiment of the utility model, by setting up a first moving mechanism, the second clamping part can move toward the object to be clamped and contact the object to be clamped. When a thrust is applied to the object to be clamped, the first moving mechanism can move in a direction opposite to the moving direction of the second clamping part, thereby buffering the thrust applied by the second clamping part to the object to be clamped to prevent the object to be clamped from being overturned by the second clamping part, thereby allowing the object to be clamped to be correctly clamped to facilitate subsequent installation operations.

[0010] In one embodiment, the first moving mechanism further includes a first shaft, the first moving part is a first slider, the first slider is sleeved on the first shaft and is configured to slide along the first shaft.

[0011] In an embodiment of the utility model, when the second clamping portion contacts the object to be clamped and is subjected to a reverse thrust by the object to be clamped, the first slider can slide along the first shaft driven by the second clamping portion, thereby realizing automatic adjustment of the first moving mechanism.

[0012] In one embodiment, the first moving mechanism also includes a fixed frame, the first shaft rod is arranged in the fixed frame, and the bottom of the fixed frame is fixedly connected, the first slider is sleeved on the first shaft rod, the first driving part is a cylinder, the cylinder includes a cylinder body and an output shaft, the cylinder body is fixedly connected to the first slider, and the second clamping part is fixedly connected to the output shaft.

[0013] In the embodiment of the utility model, by fixing the first shaft rod to the bottom of the fixed frame and sleeve the first slider on the first shaft rod, the first slider can be better supported to prevent the first slider from being pulled and displaced by the clamp connected thereto. The second clamping part can be driven by the cylinder to improve the clamping stability of the second clamping part. By fixing the cylinder body to the first slider, the clamp can be fixed and positioned.

[0014] In one embodiment, springs are provided at both ends of the first moving portion along the extension direction of the first shaft, and a side of the spring facing away from the first moving portion is connected to the fixing frame.

[0015] In an embodiment of the utility model, by arranging springs at both ends of the first moving part along its moving direction, the first moving part can return to its original position under the action of the spring after moving, and the spring can play a buffering role, thereby controlling the moving speed of the first moving part.

[0016] In one embodiment, the first clamping portion is fixedly connected to the cylinder body; and / or

[0017] The first clamping portion and the second clamping portion are clamping plates parallel to each other, and the first clamping portion and the second clamping portion are perpendicular to a moving direction of the output shaft.

[0018] In the embodiment of the utility model, the first clamping part can be fixedly connected to the cylinder body, so that the first clamping part can be fixed. At the same time, since the second clamping part is connected to the output shaft of the cylinder, it is convenient for the second clamping part to move toward or away from the first clamping part, thereby facilitating the clamping of the object to be clamped. By making the first clamping part and the second clamping part parallel to each other, the clamping area of ​​the first clamping part and the second clamping part can be increased, and the first clamping part and the second clamping part are perpendicular to the moving direction of the output shaft, so that the second clamping part can be conveniently moved toward or away from the first clamping part.

[0019] In one embodiment, the clamping device also includes a second moving mechanism, the second moving mechanism includes a second moving part, the second moving part is configured to move along a third direction, there is an angle between the first direction and the third direction, the first axis is fixedly connected to the second moving part, and is configured to move along the third direction driven by the second moving part.

[0020] In an embodiment of the utility model, by providing a second moving mechanism, the entire clamping device can be moved along the second direction, and by making the first direction and the second direction different directions, the entire clamping device can be moved on the plane where the first direction and the second direction are located, thereby facilitating the clamping device to move the object to be clamped to the next process.

[0021] In one embodiment, the first direction is perpendicular to the third direction.

[0022] In the embodiment of the utility model, by making the first direction perpendicular to the second direction, it is convenient to control the movement of the entire clamping device on the plane where the first direction and the second direction are located.

[0023] In one embodiment, the second moving mechanism further includes a second shaft, the second moving portion is a second slider, the second slider is sleeved on the second shaft, and is configured to slide along the second shaft.

[0024] In the embodiment of the utility model, by sleeve-arranging the second slider on the second shaft rod, the movement of the second slider can be easily controlled, thereby controlling the movement of the entire clamping device in the second direction.

[0025] In one embodiment, a plurality of second shafts are provided, and the plurality of second shafts are parallel to each other; and / or

[0026] The clamping device further comprises a supporting portion, and the second shaft is arranged on the supporting portion.

[0027] In the embodiment of the utility model, by providing a plurality of second shaft rods and making the plurality of second shaft rods parallel to each other, more support can be provided to the second slider and the moving direction of the second slider can be better controlled. By providing the second shaft rod on the supporting part, support for the entire clamping device can be achieved.

[0028] In one embodiment, the first moving part is fixedly connected to the bottom of the second moving part; and / or

[0029] The second moving mechanism further includes a second driving part, which is connected to the second moving part and can drive the second moving part to move.

[0030] In the embodiment of the utility model, by fixing the first moving part to the bottom of the second moving part, the clamp can be arranged below the second moving part, thereby facilitating the clamping operation of the entire clamping device. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0032] Figure 1 It is a structural schematic diagram of a clamping device provided in an embodiment of the utility model;

[0033] Figure 2 It is a partial structural schematic diagram of a clamping device provided in an embodiment of the utility model.

[0034] Description of the drawings: first moving mechanism-1; first moving part-11; first shaft-12; fixed frame-13; spring-14; clamp-2; first driving part-21; cylinder body-211; output shaft-212; first clamping part-22; second clamping part-23; second moving mechanism-3; second moving part-31; second shaft-32; second driving part-33; support part-4. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model. In addition, it should be understood that the specific implementation methods described herein are only used to illustrate and explain the utility model, and are not used to limit the utility model. In the utility model, unless otherwise stated, the directional words used, such as "upper" and "lower", generally refer to the upper and lower parts of the device in actual use or working state, specifically the drawing direction in the accompanying drawings; while "inside" and "outside" refer to the outline of the device.

[0036] See also Figures 1-2 In a first aspect, an embodiment of the present utility model provides a clamping device, comprising:

[0037] The first moving mechanism 1 comprises a first moving part 11;

[0038] The clamp 2 comprises a first driving part 21, a first clamping part 22 and a second clamping part 23, wherein the first clamping part 22 and the second clamping part 23 are arranged opposite to each other, and the first driving part 21 and the first clamping part 22 are fixedly connected to the first moving part 11;

[0039] The first driving part 21 is configured to drive the second clamping part 23 to move along the first direction, so that the second clamping part 23 and the first clamping part 22 are close to each other to clamp the object to be clamped;

[0040] The first moving portion 11 is configured to move along a second direction opposite to the first direction when the first driving portion 21 drives the second clamping portion 23 to move to contact the object to be clamped.

[0041] It can be understood that when the first clamping part 22 and the second clamping part 23 clamp the object to be clamped, the object to be clamped is located between the two. Since the way the clamp 2 clamps the object to be clamped is that the second clamping part 23 moves toward the first clamping part 22, thereby clamping the object to be clamped, there may be a deviation in the position of the object to be clamped when clamping the object to be clamped, so the object to be clamped may be overturned by the moving second clamping part 23. At this time, the thrust of the second clamping part 23 on the object to be clamped can be buffered by the first moving part 11, thereby preventing the object to be clamped from being overturned. The first moving part 11 can be automatically moved according to the position of the object to be clamped, or it can be manually moved according to the position of the object to be clamped. The first moving part 11 moves in an automatic moving manner, which can simplify the structure of the clamping device. The structure and shape of the first clamping part 22 and the second clamping part 23 can be set as needed, and it only needs to be easy to operate.

[0042] In one embodiment, the first moving mechanism 1 further includes a first shaft 12 , and the first moving portion 11 is a first slider. The first slider is sleeved on the first shaft 12 and is configured to slide along the first shaft 12 .

[0043] It can be understood that the extension direction of the first shaft 12 is parallel to the first direction, so that the first moving mechanism 1 can move back and forth along the extension direction of the shaft. The number of the first shaft 12 can be set as needed, and multiple first shafts 12 can better control the moving direction of the first slider. The length of the first shaft 12 can be set as needed, and it only needs to meet the movement requirements of the first moving part 11.

[0044] In one embodiment, the first moving mechanism 1 also includes a fixed frame 13, the first shaft rod 12 is arranged in the fixed frame 13, and the bottom of the fixed frame 13 is fixedly connected, the first slider is sleeved on the first shaft rod 12, the first driving part 21 is a cylinder, and the cylinder includes a cylinder body 211 and an output shaft 212, the cylinder body 211 is fixedly connected to the first slider, and the second clamping part 23 is fixedly connected to the output shaft 212.

[0045] It can be understood that the shape and size of the fixed frame 13 can be set as needed. The fixed frame 13 can enclose a closed space, that is, the fixed frame 13 includes four sides, or it can enclose an open space, that is, the fixed frame 13 includes three sides. The first shaft rod 12 is fixedly connected to the bottom of the fixed frame 13, and the first shaft rod 12 and the bottom of the fixed frame 13 are integrally arranged, so that the fixed frame 13 fully supports the first shaft rod 12. The fixed connection between the cylinder body 211 and the first slider can be a direct connection between the two, or an indirect connection between the two, that is, connected through other connecting parts, which can be selected as needed. The fixed connection between the second clamping part 23 and the output shaft 212 can be a direct connection between the two, or an indirect connection between the two, that is, connected through other connecting parts, which can be selected as needed.

[0046] In one embodiment, springs 14 are disposed at both ends of the first moving portion 11 along the extending direction of the first shaft 12 , and a side of the spring 14 facing away from the first moving portion 11 is connected to the fixing frame 13 .

[0047] It can be understood that the first moving part 11 is provided with springs 14 at both ends of the first shaft 12 in the extending direction, and the springs 14 can be provided in the middle of both ends of the first moving part 11 in the extending direction of the first shaft 12, so as to better support both ends of the first moving part 11 in the first direction. The elastic force of the spring 14 can be set as needed.

[0048] In one embodiment, the first clamping portion 22 is fixedly connected to the cylinder body 211; and / or

[0049] The first clamping portion 22 and the second clamping portion 23 are parallel clamping plates, and the first clamping portion 22 and the second clamping portion 23 are perpendicular to the moving direction of the output shaft 212 .

[0050] It is understood that the fixed connection between the first clamping portion 22 and the cylinder body 211 can be a direct connection between the two, or an indirect connection between the two, that is, a connection through other connecting parts, which can be selected as needed. The size of the clamping plate can be set as needed. The shape of the clamping plate can be a flat plate or other shapes (such as a curved plate), which can be set according to the shape of the object to be clamped. The distance between the first clamping portion 22 and the second clamping portion 23 can be set according to the size of the object to be clamped.

[0051] In one embodiment, the clamping device also includes a second moving mechanism 3, the second moving mechanism 3 includes a second moving part 31, the second moving part 31 is configured to move along a third direction, there is an angle between the first direction and the third direction, the first shaft 12 is fixedly connected to the second moving part 31, and is configured to move along the third direction driven by the second moving part 31.

[0052] It can be understood that there is an angle between the first direction and the third direction, that is, the first direction and the third direction are different directions, and the size of the angle between the first direction and the third direction can be selected according to the specific mode of movement required. The fixed connection between the first shaft 12 and the second moving part 31 can be a direct connection between the two, or an indirect connection between the two, that is, connected through other connecting parts, which can be selected according to needs.

[0053] In one embodiment, the first direction is perpendicular to the third direction.

[0054] In one embodiment, the second moving mechanism 3 further includes a second shaft 32 , and the second moving portion 31 is a second slider. The second slider is sleeved on the second shaft 32 and is configured to slide along the second shaft 32 .

[0055] It can be understood that the extension direction of the second shaft 32 is parallel to the second direction.

[0056] In one embodiment, a plurality of second shaft rods 32 are provided, and the plurality of second shaft rods 32 are parallel to each other; and / or

[0057] The clamping device further comprises a supporting portion 4 , and the second shaft 32 is arranged on the supporting portion 4 .

[0058] It can be understood that the shape and size of the support portion 4 can be set as required, as long as it can support the entire clamping device.

[0059] In one embodiment, the first moving part 11 is fixedly connected to the bottom of the second moving part 31; and / or

[0060] The second moving mechanism 3 further includes a second driving portion 33 . The second driving portion 33 is connected to the second moving portion 31 and can drive the second moving portion 31 to move.

[0061] It is understood that the fixed connection between the first moving part 11 and the second moving part 31 can be a direct connection between the two, or an indirect connection between the two, that is, connected through other connecting members, which can be selected as needed. The second driving part 33 can be manually driven or automatically driven, which can be selected as needed.

[0062] The above is a detailed introduction to the embodiments of the present invention. Specific examples are used in this article to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the method and core idea of ​​the present invention. At the same time, for technicians in this field, according to the idea of ​​the present invention, there will be changes in the specific implementation method and application scope. In summary, the content of this specification should not be understood as a limitation on the present invention.

Claims

1. A clamping device, characterized in that: include: A first moving mechanism includes a first moving part; A clamp, comprising a first driving part, a first clamping part and a second clamping part, wherein the first clamping part and the second clamping part are arranged opposite to each other, the first driving part and the first clamping part are fixedly connected to the first moving part, and the second clamping part is fixedly connected to the first driving part; The first driving part is configured to drive the second clamping part to move along the first direction so that the second clamping part and the first clamping part are close to each other to clamp the object to be clamped; The first moving portion is configured to move along a second direction opposite to the first direction when the first driving portion drives the second clamping portion to move to contact the object to be clamped.

2. The clamping device according to claim 1, characterized in that: The first moving mechanism further includes a first shaft, the first moving part is a first sliding block, the first sliding block is sleeved on the first shaft and is configured to slide along the first shaft.

3. The clamping device according to claim 2, characterized in that: The first moving mechanism also includes a fixed frame, the first shaft rod is arranged in the fixed frame, and the bottom of the fixed frame is fixedly connected, the first slider is sleeved on the first shaft rod, the first driving part is a cylinder, the cylinder includes a cylinder body and an output shaft, the cylinder body is fixedly connected to the first slider, and the second clamping part is fixedly connected to the output shaft.

4. The clamping device according to claim 3, characterized in that: Springs are provided at both ends of the first moving part along the extending direction of the first shaft, and a side of the spring facing away from the first moving part is connected to the fixing frame.

5. The clamping device according to claim 3, characterized in that: The first clamping portion is fixedly connected to the cylinder body; and / or The first clamping portion and the second clamping portion are clamping plates parallel to each other, and the first clamping portion and the second clamping portion are perpendicular to a moving direction of the output shaft.

6. The clamping device according to claim 2, characterized in that: The clamping device also includes a second moving mechanism, which includes a second moving part. The second moving part is configured to move along a third direction. There is an angle between the first direction and the third direction. The first axis is fixedly connected to the second moving part and is configured to move along the third direction driven by the second moving part.

7. The clamping device according to claim 6, characterized in that: The first direction is perpendicular to the third direction.

8. The clamping device according to claim 7, characterized in that: The second moving mechanism further includes a second shaft rod, the second moving part is a second sliding block, the second sliding block is sleeved on the second shaft rod, and is configured to slide along the second shaft rod.

9. The clamping device according to claim 8, characterized in that: A plurality of second shafts are provided, and the plurality of second shafts are parallel to each other; and / or The clamping device further comprises a supporting portion, and the second shaft is arranged on the supporting portion.

10. The clamping device according to claim 6, characterized in that: The first moving part is fixedly connected to the bottom of the second moving part; and / or The second moving mechanism further includes a second driving part, which is connected to the second moving part and can drive the second moving part to move.

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