A clamping device

Abstract

The clamping device of the application comprises a driving mechanism, a first clamping distance limiting assembly, a first clamping assembly, a first clamping force adjusting assembly, a second clamping distance limiting assembly, a second clamping assembly and a second clamping force adjusting assembly; the first clamping assembly is rotationally connected with the first clamping distance limiting assembly, and the first clamping force adjusting assembly is fixedly connected with the first clamping distance limiting assembly; the magnetic poles at the opposite ends of the first clamping force adjusting assembly and the first clamping assembly are the same; the second clamping assembly is rotationally connected with the second clamping distance limiting assembly, and the second clamping force adjusting assembly is fixedly connected with the second clamping distance limiting assembly; the magnetic poles at the opposite ends of the second clamping force adjusting assembly and the second clamping assembly are the same; and the driving mechanism is drivingly connected with the first clamping distance limiting assembly and the second clamping distance limiting assembly respectively. The application can provide a small clamping force, conveniently realize controllable adjustment of the small clamping force and adjustment of the clamping space, thereby improving the versatility of the clamping device.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of assembly, in particular to a clamping device. BACKGROUND

[0002] With the development of automation technology, automation assembly is gradually applied to various industries, such as 3C (computer, communication and consumer electronics) industry. The clamping device for clamping and taking target workpieces is also widely used in the field of automation assembly.

[0003] At present, the 3C (computer, communication and consumer electronics) industry has higher and higher requirements for the clamping force of the target workpiece. In order to prevent damage to the target workpiece, a "flexible" clamping jaw is usually used for clamping and taking, but the "flexible" clamping jaw cannot realize controllable adjustment of the clamping force. SUMMARY

[0004] The present application provides a clamping device, which is small and simple in structure, can provide a small clamping force, can conveniently realize controllable adjustment of the small clamping force, and can conveniently realize controllable adjustment of the clamping space, thereby improving the versatility of the clamping device.

[0005] The clamping device provided by the present application comprises a driving mechanism, a first clamping distance limiting component, a first clamping component, a first clamping force adjusting component, a second clamping distance limiting component, a second clamping component and a second clamping force adjusting component.

[0006] The first clamping component is rotationally connected with the first clamping distance limiting component, and the first clamping force adjusting component is fixedly connected with the first clamping distance limiting component. One end of the first clamping force adjusting component close to the first clamping component has a first magnetic pole, one end of the first clamping component close to the first clamping force adjusting component has a second magnetic pole, and the first magnetic pole is the same as the second magnetic pole.

[0007] The second clamping component is rotationally connected with the second clamping distance limiting component, and the second clamping force adjusting component is fixedly connected with the second clamping distance limiting component. One end of the second clamping force adjusting component close to the second clamping component has a third magnetic pole, one end of the second clamping component close to the second clamping force adjusting component has a fourth magnetic pole, and the third magnetic pole is the same as the fourth magnetic pole.

[0008] The driving mechanism is drivingly connected with the first clamping distance limiting component and the second clamping distance limiting component respectively. The driving mechanism can drive the first clamping distance limiting component and the second clamping distance limiting component to move, and in turn drive the first clamping component and the second clamping component to move towards each other along the clamping direction to clamp the target workpiece, or move away from each other to release the target workpiece.

[0009] Further, the first clamping force adjusting assembly comprises a first movable piece and at least one first clamping force adjusting piece;

[0010] The first movable piece has the first magnetic pole; the first movable piece is arranged on the side of the first clamping assembly away from the second clamping assembly;

[0011] The first movable piece is connected with the first clamping distance limiting assembly through the first clamping force adjusting piece, and the first clamping force adjusting piece can adjust the relative position of the first movable piece and the first clamping distance limiting assembly along the clamping direction.

[0012] Further, the first clamping distance limiting assembly comprises a first adapter and a first clamping distance limiting piece;

[0013] The first adapter is connected with the first clamping distance limiting piece, and the relative position of the first adapter and the first clamping distance limiting piece along the clamping direction is adjustable;

[0014] In the case that the first clamping distance limiting piece abuts against the second clamping distance limiting assembly, the first clamping assembly and the second clamping assembly can clamp the target piece.

[0015] Further, the first clamping distance limiting assembly further comprises at least one first limiting piece;

[0016] One end of the first limiting piece is fixedly connected with the first adapter, and the other end of the first limiting piece abuts against the first clamping distance limiting piece along the clamping direction;

[0017] The first limiting piece is used for fixing the relative position of the first clamping distance limiting piece and the first adapter along the clamping direction.

[0018] Further, the second clamping force adjusting assembly comprises a second movable piece and at least one second clamping force adjusting piece;

[0019] The second movable piece has the third magnetic pole; the second movable piece is arranged on the side of the second clamping assembly away from the first clamping assembly;

[0020] The second movable piece is connected with the second clamping distance limiting assembly through the second clamping force adjusting piece, and the second clamping force adjusting piece can adjust the relative position of the second movable piece and the second clamping distance limiting assembly along the clamping direction.

[0021] Further, the second clamping distance limiting assembly comprises a second adapter and a second clamping distance limiting piece;

[0022] The second adapter is connected with the second clamping distance limiting piece, and the relative position of the second adapter and the second clamping distance limiting piece along the clamping direction is adjustable.

[0023] When the second clamping distance limiting piece abuts against the first clamping distance limiting assembly, the first clamping assembly and the second clamping assembly can clamp the target workpiece.

[0024] Further, the second clamping distance limiting assembly further comprises at least one second limiting piece.

[0025] One end of the second limiting piece is fixedly connected with the second adapter, and the other end of the second limiting piece abuts against the second clamping distance limiting piece along the clamping direction.

[0026] The second limiting piece is used for fixing the relative position of the second adapter and the second clamping distance limiting piece along the clamping direction.

[0027] Further, the first clamping distance limiting assembly is provided with a first clamping distance adjusting part, the first clamping distance adjusting part comprises a first waist-shaped hole structure, and the length direction of the first waist-shaped hole structure is consistent with the clamping direction.

[0028] The second clamping distance limiting assembly is provided with a second clamping distance adjusting part, the second clamping distance adjusting part comprises a second waist-shaped hole structure, and the length direction of the second waist-shaped hole structure is consistent with the clamping direction.

[0029] Further, the clamping device further comprises a first connecting piece and a second connecting piece.

[0030] The first connecting piece is drivingly connected with the driving mechanism, and the first connecting piece is fixedly connected with the first clamping distance limiting assembly.

[0031] The second connecting piece is drivingly connected with the driving mechanism, and the second connecting piece is fixedly connected with the second clamping distance limiting assembly.

[0032] Further, the first clamping end of the first clamping assembly is provided with a first anti-skid structure, the second clamping end of the second clamping assembly is provided with a second anti-skid structure, and the first anti-skid structure and the second anti-skid structure can cooperate to clamp the target workpiece.

[0033] The clamping device provided by the application has the following beneficial effects:

[0034] The clamping device of the application comprises a driving mechanism, a first clamping distance limiting assembly, a first clamping assembly, a first clamping force adjusting assembly, a second clamping distance limiting assembly, a second clamping assembly and a second clamping force adjusting assembly; the first clamping assembly is rotationally connected with the first clamping distance limiting assembly, and the first clamping force adjusting assembly is fixedly connected with the first clamping distance limiting assembly; one end of the first clamping force adjusting assembly close to the first clamping assembly has a first magnetic pole, one end of the first clamping assembly close to the first clamping force adjusting assembly has a second magnetic pole, and the first magnetic pole is the same as the second magnetic pole; the second clamping assembly is rotationally connected with the second clamping distance limiting assembly, and the second clamping force adjusting assembly is fixedly connected with the second clamping distance limiting assembly; one end of the second clamping force adjusting assembly close to the second clamping assembly has a third magnetic pole, one end of the second clamping assembly close to the second clamping force adjusting assembly has a fourth magnetic pole, and the third magnetic pole is the same as the fourth magnetic pole; the driving mechanism is drivingly connected with the first clamping distance limiting assembly and the second clamping distance limiting assembly respectively; the driving mechanism can drive the first clamping distance limiting assembly and the second clamping distance limiting assembly to move, and then drive the first clamping assembly and the second clamping assembly to move towards each other along the clamping direction to clamping target workpieces or move away from each other to release the target workpieces; in this way, the clamping device of the application has a small and simple structure, can provide a small clamping force, can realize controllable adjustment of the small clamping force, and can conveniently adjust the clamping space, so that the clamping device can conveniently adapt to target workpieces of different shapes and sizes, thereby improving the versatility of the clamping device. BRIEF DESCRIPTION OF DRAWINGS

[0035] In order to more clearly illustrate the technical solutions in the embodiments of the application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without any creative effort based on these drawings.

[0036] Figure 1 A front view of a clamping device in a taking-out state provided by an embodiment of the application;

[0037] Figure 2 An exploded structural schematic view of a clamping device provided by an embodiment of the application;

[0038] Figure 3 A structural schematic view of a clamping device provided by an embodiment of the application;

[0039] Figure 4 A side view of a clamping device provided by an embodiment of the application;

[0040] Figure 5 A front view of a clamping device in a releasing state provided by an embodiment of the application.

[0041] The following is a supplement to the drawings:

[0042] 10-driving mechanism; 20-first clamping distance limiting assembly; 21-first adapter; 22-first clamping distance limiting piece; 23-first limiting piece; 24-first clamping distance adjusting part; 25-third fixed part; 30-first clamping assembly; 31-first anti-skid structure; 32-second magnetic part; 33-first clamping body; 40-first clamping force adjusting assembly; 41-first movable part; 42-first clamping force adjusting part; 43-first magnetic part; 44-first fixed part; 50-second clamping distance limiting assembly; 51-second adapter; 52-second clamping distance limiting piece; 53-second limiting piece; 54-second clamping distance adjusting part; 55-fourth fixed part; 60-second clamping assembly; 61-second anti-skid structure; 62-fourth magnetic part; 63-second clamping body; 70-second clamping force adjusting assembly; 71-second movable part; 72-second clamping force adjusting part; 73-third magnetic part; 74-second fixed part; 80-first connecting part; 90-second connecting part; 100-target material part; 110-first rotating shaft; 120-second rotating shaft. DETAILED DESCRIPTION

[0043] In order to enable persons skilled in the art to better understand the scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by persons skilled in the art without creative labor fall within the scope of protection of the present application.

[0044] The term "one embodiment" or "an embodiment" as may appear in the description is meant to mean one of the possible realizations of the application. In the description, the terms "upper", "lower", "top", "bottom", etc. indicate the orientation or positional relationship as shown in the drawings, and are only used for the purpose of facilitating the description of the application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features referred to. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. Moreover, the terms "first", "second" and the like are used to distinguish similar objects, and do not necessarily have to be used to describe a particular order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the application described herein can be implemented in an order other than that illustrated or described herein.

[0045] The application will be described below in conjunction with the accompanying drawings Figures 1-5 The application provides a clamping device, which is particularly suitable for assembling scenarios in which the target workpiece 100 is a small or brittle material, and is also particularly suitable for assembling scenarios in which the target workpiece 100 cannot be vacuumed, and is also particularly suitable for assembling scenarios in which the target workpiece 100 is a small and precise material, the clamping force is adjustable and cannot exceed 0.1N.

[0046] For example, the target workpiece 100 can be a camera anti-peeping shutter blocker with a size of 3.9mm*5mm*13mm, in which 3.9mm is the size of the clamping direction of the clamping device, and the clamping force is adjustable and cannot exceed 0.098N.

[0047] Please refer to Figures 1-5The clamping device provided by the embodiments of the present application comprises a driving mechanism 10, a first clamping distance limiting assembly 20, a first clamping assembly 30, a first clamping force adjusting assembly 40, a second clamping distance limiting assembly 50, a second clamping assembly 60 and a second clamping force adjusting assembly 70; the first clamping assembly 30 is rotationally connected with the first clamping distance limiting assembly 20, and the first clamping force adjusting assembly 40 is fixedly connected with the first clamping distance limiting assembly 20; one end of the first clamping force adjusting assembly 40 close to the first clamping assembly 30 has a first magnetic pole, and one end of the first clamping assembly 30 close to the first clamping force adjusting assembly 40 has a second magnetic pole, and the first magnetic pole is the same as the second magnetic pole; the second clamping assembly 60 is rotationally connected with the second clamping distance limiting assembly 50, and the second clamping force adjusting assembly 70 is fixedly connected with the second clamping distance limiting assembly 50; one end of the second clamping force adjusting assembly 70 close to the second clamping assembly 60 has a third magnetic pole, and one end of the second clamping assembly 60 close to the second clamping force adjusting assembly 70 has a fourth magnetic pole, and the third magnetic pole is the same as the fourth magnetic pole; the driving mechanism 10 is drivingly connected with the first clamping distance limiting assembly 20 and the second clamping distance limiting assembly 50 respectively; the driving mechanism 10 can drive the first clamping distance limiting assembly 20 and the second clamping distance limiting assembly 50 to move, and then drive the first clamping assembly 30 and the second clamping assembly 60 to move towards each other along the clamping direction to clamping the target material piece 100 or move away from each other to release the target material piece 100.

[0048] In some embodiments, when the first clamping distance limiting assembly 20 and the second clamping distance limiting assembly 50 abut along the clamping direction, a clamping space for clamping the target material piece 100 can be formed between the first clamping assembly 30 and the second clamping assembly 60; the first clamping force adjusting assembly 40 is arranged on the side of the first clamping assembly 30 away from the second clamping assembly 60, and the second clamping force adjusting assembly 70 is arranged on the side of the second clamping assembly 60 away from the first clamping assembly 30.

[0049] Further, the first clamping force adjusting assembly 40, the first clamping assembly 30, the second clamping assembly 60 and the second clamping force adjusting assembly 70 are arranged in sequence along the clamping direction, and the first clamping force adjusting assembly 40 and the second clamping force adjusting assembly 70 are arranged on the two sides of the first clamping assembly 30 and the second clamping assembly 60 along the clamping direction.

[0050] In some embodiments, the first clamping force adjusting assembly 40 is fixedly provided with a first magnetic member 43 at one end close to the first clamping assembly 30, the first clamping assembly 30 is fixedly provided with a second magnetic member 32 at one end close to the first clamping force adjusting assembly 40, the first magnetic member 43 and the second magnetic member 32 are oppositely arranged, and the first magnetic pole of the first magnetic member 43 close to the second magnetic member 32 is the same as the second magnetic pole of the second magnetic member 32 close to the first magnetic member 43, so that the first magnetic member 43 and the second magnetic member 32 repel each other; under the action of the first repulsion force between the first magnetic member 43 and the second magnetic member 32, the first clamping assembly 30 can rotate relative to the first clamping distance limiting assembly 20 to move away from the first clamping force adjusting assembly 40 and move close to the second clamping assembly 60.

[0051] In some embodiments, the second clamping force adjusting assembly 70 is fixedly provided with a third magnetic member 73 at one end close to the second clamping assembly 60, the second clamping assembly 60 is fixedly provided with a fourth magnetic member 62 at one end close to the second clamping force adjusting assembly 70, the third magnetic member 73 and the fourth magnetic member 62 are oppositely arranged, and the third magnetic pole of the third magnetic member 73 close to the fourth magnetic member 62 is the same as the fourth magnetic pole of the fourth magnetic member 62 close to the third magnetic member 73, so that the third magnetic member 73 and the fourth magnetic member 62 repel each other; under the action of the second repulsion force between the third magnetic member 73 and the fourth magnetic member 62, the second clamping assembly 60 can rotate relative to the second clamping distance limiting assembly 50 to move away from the second clamping force adjusting assembly 70 and move close to the first clamping assembly 30.

[0052] Further, under the action of the first repulsion force between the first magnetic member 43 and the second magnetic member 32 and the second repulsion force between the third magnetic member 73 and the fourth magnetic member 62, the first clamping assembly 30 and the second clamping assembly 60 can clamp the target material piece 100 in the clamping direction. In this way, a small clamping force can be provided, and damage to the target material piece 100 during clamping can be prevented.

[0053] In some specific embodiments, the first magnetic member 43 can be a first magnet, the first magnet is embedded at one end of the first clamping force adjusting assembly 40 close to the first clamping assembly 30; the second magnetic member 32 can be a second magnet, the second magnet is embedded at one end of the first clamping assembly 30 close to the first clamping force adjusting assembly 40; the third magnetic member 73 can be a third magnet, the third magnet is embedded at one end of the second clamping force adjusting assembly 70 close to the second clamping assembly 60; and the fourth magnetic member 62 can be a fourth magnet, the fourth magnet is embedded at one end of the second clamping assembly 60 close to the second clamping force adjusting assembly 70.

[0054] In some embodiments, by adjusting the first clamping force adjusting assembly 40, the relative position of the first clamping force adjusting assembly 40 and the first clamping distance limiting assembly 20 along the clamping direction can be accurately adjusted, and then the relative position of the first clamping assembly 30 and the first clamping force adjusting assembly 40 along the clamping direction can be accurately adjusted, and then the first repulsive force between the first magnetic member 43 and the second magnetic member 32 can be accurately adjusted. By adjusting the second clamping force adjusting assembly 70, the relative position of the second clamping force adjusting assembly 70 and the second clamping distance limiting assembly 50 along the clamping direction can be accurately adjusted, and then the relative position of the second clamping assembly 60 and the second clamping force adjusting assembly 70 along the clamping direction can be accurately adjusted, and then the second repulsive force between the third magnetic member 73 and the fourth magnetic member 62 can be accurately adjusted. In this way, the micro clamping force of the target material piece 100 can be accurately and controllably adjusted.

[0055] In some embodiments, by adjusting the first clamping distance limiting assembly 20 and / or the second clamping distance limiting assembly 50, the relative position of the first clamping assembly 30 and the second clamping assembly 60 along the clamping direction can be accurately adjusted when the first clamping distance limiting assembly 20 and the second clamping distance limiting assembly 50 abut, and then the clamping space can be accurately adjusted. In this way, the clamping device can be conveniently adapted to target material pieces of different shapes and sizes, and the versatility of the clamping device can be improved.

[0056] In some embodiments, when the driving mechanism 10 drives the first clamping distance limiting assembly 20 and the second clamping distance limiting assembly 50 to move towards each other along the clamping direction, the first clamping assembly 30 and the second clamping assembly 60 move towards each other along the clamping direction to approach each other. At this time, under the action of the first repulsive force and the second repulsive force, the first clamping assembly 30 and the second clamping assembly 60 clamp and fix the target material piece 100. In this way, the target material piece 100 can be taken.

[0057] In some embodiments, when the driving mechanism 10 drives the first clamping distance limiting assembly 20 and the second clamping distance limiting assembly 50 to move away from each other along the clamping direction, the first clamping assembly 30 and the second clamping assembly 60 move towards each other along the clamping direction to move away from each other. At this time, the clamping device releases the target material piece 100. In this way, the target material piece 100 can be discharged.

[0058] In some embodiments, the driving mechanism 10 can be a driving cylinder; preferably, the driving mechanism 10 can be a tensioning and closing cylinder.

[0059] The clamping device of the embodiment of the application comprises a driving mechanism, a first clamping distance limiting assembly, a first clamping assembly, a first clamping force adjusting assembly, a second clamping distance limiting assembly, a second clamping assembly and a second clamping force adjusting assembly; the first clamping assembly is rotationally connected with the first clamping distance limiting assembly, and the first clamping force adjusting assembly is fixedly connected with the first clamping distance limiting assembly; the magnetic poles of the opposite ends of the first clamping force adjusting assembly and the first clamping assembly are the same; the second clamping assembly is rotationally connected with the second clamping distance limiting assembly, and the second clamping force adjusting assembly is fixedly connected with the second clamping distance limiting assembly; the magnetic poles of the opposite ends of the second clamping force adjusting assembly and the second clamping assembly are the same; the driving mechanism is drivingly connected with the first clamping distance limiting assembly and the second clamping distance limiting assembly respectively; in this way, the clamping device of the application has a small and simple structure, can provide a small clamping force, and can realize controllable adjustment of the small clamping force; at the same time, the clamping device of the application can conveniently realize controllable adjustment of the size of the clamping space along the clamping direction, so that the clamping device is conveniently adapted to target workpieces of different external sizes, thereby improving the versatility of the clamping device.

[0060] In the embodiment of the application, the first clamping force adjusting assembly 40 comprises a first movable piece 41 and at least one first clamping force adjusting piece 42; the first movable piece 41 has a first magnetic pole; the first movable piece 41 is arranged on the side of the first clamping assembly 30 away from the second clamping assembly 60; the first movable piece 41 is connected with the first clamping distance limiting assembly 20 through the first clamping force adjusting piece 42, and the first clamping force adjusting piece 42 can adjust the relative position of the first movable piece 41 and the first clamping distance limiting assembly 20 along the clamping direction.

[0061] In some embodiments, the first clamping assembly 30 comprises a first clamping body 33 and a second magnetic piece 32, the first clamping body 33 is rotationally connected with the first clamping distance limiting assembly 20 through a first rotating shaft 110, and the second magnetic piece 32 is embedded in one end of the first clamping body 33 close to the first clamping force adjusting assembly 40; the first movable piece 41 is arranged on the side of the first clamping body 33 away from the second clamping assembly 60; and the first magnetic piece 43 is embedded in one end of the first movable piece 41 close to the first clamping body 33.

[0062] In some embodiments, one end of the first clamping force adjusting piece 42 is connected with the first movable piece 41, and the other end of the first clamping force adjusting piece 42 is abutted with the first clamping distance limiting assembly 20; rotating adjustment of the first clamping force adjusting piece 42 can realize adjustment of the relative position of the first movable piece 41 and the first clamping distance limiting assembly 20 along the clamping direction, thereby realizing adjustment of the first repulsive force.

[0063] In some specific embodiments, the first clamping force adjusting member 42 can be a first adjusting bolt, which is screwed with the first movable member 41 in the clamping direction and abuts against the first clamping distance limiting component 20 in the clamping direction.

[0064] Specifically, the first clamping force adjusting member 42 can be a first adjusting bolt with a pitch of 0.3 mm; for example, rotating the first adjusting bolt by one full turn can make the first movable member 41 move towards or away from the first clamping distance limiting component 20 by 0.3 mm.

[0065] In some embodiments, the first clamping force adjusting component 40 further comprises at least one first fixing member 44 for fixing the first movable member 41 and the first clamping distance limiting component 20. Specifically, the first fixing member 44 can be a first fixing bolt, which is screwed with the first movable member 41 and the first clamping distance limiting component 20, respectively, so as to achieve the fixed connection of the first movable member 41 and the first clamping distance limiting component 20.

[0066] In the embodiments of the present application, the second clamping force adjusting component 70 comprises a second movable member 71 and at least one second clamping force adjusting member 72; the second movable member 71 has a third magnetic pole; the second movable member 71 is arranged on the side of the second clamping component 60 away from the first clamping component 30; the second movable member 71 is connected with the second clamping distance limiting component 50 through the second clamping force adjusting member 72, and the second clamping force adjusting member 72 can adjust the relative position of the second movable member 71 and the second clamping distance limiting component 50 in the clamping direction.

[0067] In some embodiments, the second clamping component 60 comprises a second clamping body 63 and a fourth magnetic member 62; the second clamping body 63 is rotationally connected with the second clamping distance limiting component 50 through a second rotating shaft 120; the fourth magnetic member 62 is embedded in one end of the second clamping body 63 close to the second clamping force adjusting component 70; the second movable member 71 is arranged on the side of the second clamping body 63 away from the first clamping component 30; and the third magnetic member 73 is embedded in one end of the second movable member 71 close to the second clamping body 63.

[0068] In some embodiments, one end of the second clamping force adjusting member 72 is connected with the second movable member 71, and the other end of the second clamping force adjusting member 72 abuts against the second clamping distance limiting component 50; rotating the second clamping force adjusting member 72 can adjust the relative position of the second movable member 71 and the second clamping distance limiting component 50 in the clamping direction, thereby adjusting the second repulsive force.

[0069] In some specific embodiments, the second clamping force adjusting member 72 can be a second adjusting bolt, which is screwed with the second movable member 71 in the clamping direction and abuts against the second clamping distance limiting assembly 50 in the clamping direction.

[0070] Specifically, the second clamping force adjusting member 72 can be a second adjusting bolt with a pitch of 0.3 mm; for example, rotating the second adjusting bolt by one full turn corresponds to the movement of the second movable member 71 by 0.3 mm towards or away from the second clamping distance limiting assembly 50.

[0071] In some embodiments, the second clamping force adjusting assembly 70 further comprises at least one second fixing member 74 for fixing the second movable member 71 and the second clamping distance limiting assembly 50. Specifically, the second fixing member 74 can be a second fixing bolt, which is screwed with the second movable member 71 and the second clamping distance limiting assembly 50, respectively, so as to achieve the fixed connection of the second movable member 71 and the second clamping distance limiting assembly 50.

[0072] In some specific embodiments, when it is necessary to adjust the clamping force on the target material piece 100 to be smaller, first loosen the at least one first fixing member 44, then unscrew the first adjusting bolt to a first target position, and finally tighten the first fixing member 44 to fix the first movable member 41 and the first clamping distance limiting assembly 20, at this time, the relative distance between the first movable member 41 and the first clamping body 33 in the clamping direction is adjusted to be larger, so that the first repulsive force is adjusted to be smaller; correspondingly, first loosen the at least one second fixing member 74, then unscrew the second adjusting bolt to a third target position, and finally tighten the second fixing member 74 to fix the second movable member 71 and the second clamping distance limiting assembly 50, at this time, the relative distance between the second movable member 71 and the second clamping body 63 in the clamping direction is adjusted to be larger, so that the second repulsive force is adjusted to be smaller; the adjustment of the first repulsive force and the second repulsive force can conveniently and quickly achieve the adjustment of the small clamping force of the clamping device on the target material piece 100.

[0073] It should be noted that, in the case of needing to adjust the clamping force on the target material piece 100 to be smaller, the first clamping force adjusting assembly 40 can be adjusted alone to achieve the adjustment of the first repulsive force, and then the adjustment of the clamping force on the target material piece 100; or the second clamping force adjusting assembly 70 can be adjusted alone to achieve the adjustment of the second repulsive force, and then the adjustment of the clamping force on the target material piece 100; or the first clamping force adjusting assembly 40 and the second clamping force adjusting assembly 70 can be adjusted simultaneously to achieve the adjustment of the first repulsive force and the adjustment of the second repulsive force, and then the adjustment of the clamping force on the target material piece 100.

[0074] In some specific embodiments, in the case of needing to increase the clamping force on the target workpiece 100, first loosen the at least one first fixing member 44, then screw the first adjusting bolt to the second target position, and finally tighten the first fixing member 44 to fix the first movable member 41 and the first clamping distance limiting assembly 20, at this time, the relative distance between the first movable member 41 and the first clamping body 33 in the clamping direction is adjusted to be smaller, and thus the first repulsive force is increased; correspondingly, first loosen the at least one second fixing member 74, then screw the second adjusting bolt to the fourth target position, and finally tighten the second fixing member 74 to fix the second movable member 71 and the second clamping distance limiting assembly 50, at this time, the relative distance between the second movable member 71 and the second clamping body 63 in the clamping direction is adjusted to be smaller, and thus the second repulsive force is increased; the increase of the first repulsive force and the second repulsive force can conveniently and quickly realize the increase of the clamping force of the clamping device on the target workpiece 100.

[0075] It should be noted that, in the case of needing to increase the clamping force on the target workpiece 100, the first clamping force adjusting assembly 40 can be adjusted alone to increase the first repulsive force, thereby realizing the increase of the clamping force on the target workpiece 100; or the second clamping force adjusting assembly 70 can be adjusted alone to increase the second repulsive force, thereby realizing the increase of the clamping force on the target workpiece 100; or the first clamping force adjusting assembly 40 and the second clamping force adjusting assembly 70 can be adjusted simultaneously to increase the first repulsive force and the second repulsive force, thereby realizing the increase of the clamping force on the target workpiece 100.

[0076] In the embodiments of the present application, the first clamping distance limiting assembly 20 comprises a first adapter 21 and a first clamping distance limiting member 22; the first adapter 21 is connected with the first clamping distance limiting member 22, and the relative position of the first adapter 21 and the first clamping distance limiting member 22 in the clamping direction is adjustable; in the case of abutting between the first clamping distance limiting member 22 and the second clamping distance limiting assembly 50, the first clamping assembly 30 and the second clamping assembly 60 can clamp the target workpiece 100.

[0077] In some embodiments, the first clamping body 33 is rotationally connected with the first adapter 21; the relative position of the first clamping distance limiting member 22 and the first adapter 21 in the clamping direction is adjustable; there is a first gap between the first adapter 21 and the first clamping distance limiting member 22 in the clamping direction, and the first gap is greater than 0.

[0078] In the embodiments of the present application, the second clamping distance limiting assembly 50 comprises a second adapter 51 and a second clamping distance limiting piece 52; the second adapter 51 is connected with the second clamping distance limiting piece 52, and the relative position of the second adapter 51 and the second clamping distance limiting piece 52 along the clamping direction is adjustable; in the case that the second clamping distance limiting piece 52 abuts against the first clamping distance limiting assembly 20, the first clamping assembly 30 and the second clamping assembly 60 can clamp the target material piece 100.

[0079] In some embodiments, the second clamping body 63 is rotationally connected with the second adapter 51; the relative position of the second clamping distance limiting piece 52 and the second adapter 51 along the clamping direction is adjustable; and a second gap exists between the second clamping distance limiting piece 52 and the second adapter 51 along the clamping direction, and the second gap is greater than 0.

[0080] In some embodiments, in the case that the first clamping distance limiting piece 22 and the second clamping distance limiting piece 52 abut against each other, the first clamping assembly 30 and the second clamping assembly 60 can clamp the target material piece 100; in the case that the relative position of the first adapter 21 and the first clamping distance limiting piece 22 along the clamping direction is adjusted, and / or the relative position of the second adapter 51 and the second clamping distance limiting piece 52 along the clamping direction is adjusted, the first clamping assembly 30 and the second clamping assembly 60 can clamp another target material piece, so that the clamping device can be conveniently adapted to target material pieces of different sizes, thereby improving the versatility of the clamping device.

[0081] In the embodiments of the present application, the first clamping distance limiting assembly 20 further comprises at least one first limiting piece 23; one end of the first limiting piece 23 is fixedly connected with the first adapter 21, and the other end of the first limiting piece 23 abuts against the first clamping distance limiting piece 22 along the clamping direction; the first limiting piece 23 is used to fix the relative position of the first clamping distance limiting piece 22 and the first adapter 21 along the clamping direction.

[0082] In some embodiments, the first limiting piece 23 is rotated to adjust the relative position of the first adapter 21 and the first clamping distance limiting piece 22 along the clamping direction, thereby driving the first clamping assembly 30 to move closer to or farther away from the second clamping assembly 60.

[0083] In some specific embodiments, the first limiting piece 23 can be a third adjusting bolt, the third adjusting bolt is screwed with the first adapter 21 along the clamping direction, and the third adjusting bolt abuts against the first clamping distance limiting piece 22 along the clamping direction.

[0084] Specifically, the first limiting member 23 can be a third adjusting bolt with a pitch of 0.3 mm; for example, rotating the third adjusting bolt by one full rotation, the first clamping distance limiting member 22 and the first adapter 21 are moved by 0.3 mm along the clamping direction.

[0085] In some embodiments, the first clamping distance limiting assembly 20 further comprises at least one third fixing member 25, which is used to fix the first clamping distance limiting member 22 and the first adapter 21. Specifically, the third fixing member 25 can be a third fixing bolt, which is screwed with the first adapter 21, so as to realize the fixed connection of the first clamping distance limiting member 22 and the first adapter 21.

[0086] In the embodiments of the present application, the second clamping distance limiting assembly 50 further comprises at least one second limiting member 53; one end of the second limiting member 53 is fixedly connected with the second adapter 51, and the other end of the second limiting member 53 abuts against the second clamping distance limiting member 52 along the clamping direction; the second limiting member 53 is used to fix the relative position of the second adapter 51 and the second clamping distance limiting member 52 along the clamping direction.

[0087] In some embodiments, rotating the second limiting member 53 can realize the adjustment of the relative position of the second clamping distance limiting member 52 and the second clamping distance limiting member 52 along the clamping direction, thereby driving the second clamping assembly 60 to move closer to or farther away from the first clamping assembly 30.

[0088] In some specific embodiments, the second limiting member 53 can be a fourth adjusting bolt, which is screwed with the second adapter 51 along the clamping direction, and passes through the second adapter 51 along the clamping direction to abut against the second clamping distance limiting member 52.

[0089] Specifically, the second limiting member 53 can be a fourth adjusting bolt with a pitch of 0.3 mm; for example, rotating the fourth adjusting bolt by one full rotation, the second clamping distance limiting member 52 and the second adapter 51 are moved by 0.3 mm along the clamping direction.

[0090] In some embodiments, the second clamping distance limiting assembly 50 further comprises at least one fourth fixing member 55, which is used to fix the second clamping distance limiting member 52 and the second adapter 51. Specifically, the fourth fixing member 55 can be a fourth fixing bolt, which is screwed with the second adapter 51, so as to realize the fixed connection of the second clamping distance limiting member 52 and the second adapter 51.

[0091] In the embodiments of the present application, the first clamping distance limiting assembly 20 is provided with a first clamping distance adjusting part 24, and the first clamping distance adjusting part 24 comprises a first waist-shaped hole structure, and the length direction of the first waist-shaped hole structure is consistent with the clamping direction; the second clamping distance limiting assembly 50 is provided with a second clamping distance adjusting part 54, and the second clamping distance adjusting part 54 comprises a second waist-shaped hole structure, and the length direction of the second waist-shaped hole structure is consistent with the clamping direction.

[0092] In some embodiments, the screw rod of the third fixing part 25 is screwed with the first adapter 21 through the through hole of the first clamping distance adjusting part 24, and the head end of the third fixing part 25 is pressed against the end side of the first clamping distance adjusting part 24, so that the fixed connection of the first clamping distance limiting part 22 and the first adapter 21 is realized.

[0093] In some embodiments, the first waist-shaped hole structure is provided, and the length direction of the first waist-shaped hole structure is consistent with the clamping direction, so that the adjustment of the relative position of the first clamping distance limiting part 22 and the first adapter 21 along the clamping direction is facilitated, and then the clamping of the target material piece with different outer diameter sizes is facilitated.

[0094] In some embodiments, the screw rod of the fourth fixing part 55 is screwed with the second adapter 51 through the through hole of the second clamping distance adjusting part 54, and the head end of the fourth fixing part 55 is pressed against the end side of the second clamping distance adjusting part 54, so that the fixed connection of the second clamping distance limiting part 52 and the second adapter 51 is realized.

[0095] In some embodiments, the first waist-shaped hole structure is provided, and the length direction of the first waist-shaped hole structure is consistent with the clamping direction, so that the adjustment of the relative position of the second clamping distance limiting part 52 and the second adapter 51 along the clamping direction is facilitated, and then the clamping of the target material piece with different outer diameter sizes is facilitated.

[0096] In some specific embodiments, when the size of the target material piece along the clamping direction is small, first, at least one third fixing part 25 is loosened, then the third adjusting bolt is rotated to the fifth target position, correspondingly, the first clamping distance limiting part 22 is pushed to abut against the third adjusting bolt, and finally the third fixing part 25 is tightened to fix the first clamping distance limiting part 22 and the first adapter 21, so that the first clamping assembly 30 can be close to the second clamping assembly 60; correspondingly, first, at least one fourth fixing part 55 is loosened, then the fourth adjusting bolt is rotated to the sixth target position, correspondingly, the second clamping distance limiting part 52 is pushed to abut against the fourth adjusting bolt, and finally the fourth fixing part 55 is tightened to fix the second clamping distance limiting part 52 and the second adapter 51, so that the second clamping assembly 60 can be close to the first clamping assembly 30; in this way, the distance of the clamping space between the first clamping assembly 30 and the second clamping assembly 60 along the clamping direction is adjusted to be small.

[0097] It should be noted that in the case that the size of the target material piece along the clamping direction is small, the first clamping distance limiting assembly 20 can be adjusted alone to realize the adjustment of the distance of the clamping space along the clamping direction; or the second clamping distance limiting assembly 50 can be adjusted alone to realize the adjustment of the distance of the clamping space along the clamping direction; or the first clamping distance limiting assembly 20 and the second clamping distance limiting assembly 50 can be adjusted simultaneously to realize the adjustment of the distance of the clamping space along the clamping direction.

[0098] In some specific embodiments, in the case that the size of the target material piece along the clamping direction is large, first, at least one third fixing member 25 is loosened, then the third adjusting bolt is screwed to the fifth target position, correspondingly, the first clamping distance limiting member 22 is pushed to abut against the third adjusting bolt, finally, the third fixing member 25 is tightened to fix the first clamping distance limiting member 22 and the first adapter 21, in this way, the first clamping assembly 30 can be moved away from the second clamping assembly 60; correspondingly, first, at least one fourth fixing member 55 is loosened, then the fourth adjusting bolt is screwed to the sixth target position, correspondingly, the second clamping distance limiting member 52 is pushed to abut against the fourth adjusting bolt, finally, the fourth fixing member 55 is tightened to fix the second clamping distance limiting member 52 and the second adapter 51, in this way, the second clamping assembly 60 can be moved away from the first clamping assembly 30; in this way, the distance of the clamping space between the first clamping assembly 30 and the second clamping assembly 60 along the clamping direction can be adjusted.

[0099] It should be noted that in the case that the size of the target material piece along the clamping direction is large, the first clamping distance limiting assembly 20 can be adjusted alone to realize the adjustment of the distance of the clamping space along the clamping direction; or the second clamping distance limiting assembly 50 can be adjusted alone to realize the adjustment of the distance of the clamping space along the clamping direction; or the first clamping distance limiting assembly 20 and the second clamping distance limiting assembly 50 can be adjusted simultaneously to realize the adjustment of the distance of the clamping space along the clamping direction.

[0100] In the embodiments of the present application, the clamping device further comprises a first connecting member 80 and a second connecting member 90; the first connecting member 80 is drivingly connected with the driving mechanism 10, and the first connecting member 80 is fixedly connected with the first clamping distance limiting assembly 20; the second connecting member 90 is drivingly connected with the driving mechanism 10, and the second connecting member 90 is fixedly connected with the second clamping distance limiting assembly 50.

[0101] In some embodiments, the driving mechanism 10 can drive the first connecting member 80 and the second connecting member 90 to move along the clamping direction, and in turn drive the first adapter 21 and the second adapter 51 to move towards or away from each other along the clamping direction, so as to adjust the distance of the clamping space along the clamping direction.

[0102] In some embodiments, the first connecting piece 80 is fixedly connected with the first adapter 21, and the fixed connection between the first connecting piece 80 and the first adapter 21 can be achieved by welding, screwing or gluing, preferably by screwing. In this way, the first connecting piece 80 and the first adapter 21 are reliably fixedly connected.

[0103] In some embodiments, the second connecting piece 90 is fixedly connected with the second adapter 51, and the fixed connection between the second connecting piece 90 and the second adapter 51 can be achieved by welding, screwing or gluing, preferably by screwing. In this way, the second connecting piece 90 and the second adapter 51 are reliably fixedly connected.

[0104] In the embodiments of the present application, the first clamping end of the first clamping assembly 30 is provided with a first anti-slip structure 31, and the second clamping end of the second clamping assembly 60 is provided with a second anti-slip structure 61. The first anti-slip structure 31 and the second anti-slip structure 61 can cooperate to clamp the target material piece 100. In this way, the reliability of the clamping device in clamping the target material piece 100 can be improved.

[0105] The clamping device in the embodiments of the present application has the following beneficial effects:

[0106] 1. The first clamping assembly is rotationally connected with the first clamping distance limiting assembly, the relative position of the first clamping force adjusting assembly and the first clamping distance limiting assembly along the clamping direction is adjustable, the magnetic poles of the opposite ends of the first clamping force adjusting assembly and the first clamping assembly are the same, the second clamping assembly is rotationally connected with the second clamping distance limiting assembly, the relative position of the second clamping force adjusting assembly and the second clamping distance limiting assembly along the clamping direction is adjustable, and the magnetic poles of the opposite ends of the second clamping force adjusting assembly and the second clamping assembly are the same. In this way, the controllable adjustment of the small clamping force can be conveniently achieved.

[0107] 2. The first clamping body 33 is rotationally connected with the first adapter 21, the relative position of the first clamping distance limiting piece 22 and the first adapter 21 along the clamping direction is adjustable, the second clamping body 63 is rotationally connected with the second adapter 51, and the relative position of the second clamping distance limiting piece 52 and the second adapter 51 along the clamping direction is adjustable. In this way, the adjustment of the size of the clamping space along the clamping direction can be conveniently achieved, the clamping device can be conveniently adapted to target material pieces with different external sizes, and the versatility of the clamping device can be improved.

[0108] The specific embodiments of the present application are described below based on the above technical solutions.

[0109] Embodiment 1

[0110] Please refer to Figures 1-5, embodiment 1 provides a clamping device for clamping a camera anti-peeping shutter shield with a length, width and height of 3.9mm*5mm*13mm which cannot be taken and placed by using vacuum adsorption, comprising a driving mechanism 10, a first clamping distance limiting assembly 20, a first clamping assembly 30, a first clamping force adjusting assembly 40, a second clamping distance limiting assembly 50, a second clamping assembly 60 and a second clamping force adjusting assembly 70; the first clamping assembly 30 is rotationally connected with the first clamping distance limiting assembly 20, and the first clamping force adjusting assembly 40 is fixedly connected with the first clamping distance limiting assembly 20; one end of the first clamping force adjusting assembly 40 close to the first clamping assembly 30 is provided with a first magnetic pole, one end of the first clamping assembly 30 close to the first clamping force adjusting assembly 40 is provided with a second magnetic pole, and the first magnetic pole is the same as the second magnetic pole; the second clamping assembly 60 is rotationally connected with the second clamping distance limiting assembly 50, and the second clamping force adjusting assembly 70 is fixedly connected with the second clamping distance limiting assembly 50; one end of the second clamping force adjusting assembly 70 close to the second clamping assembly 60 is provided with a third magnetic pole, one end of the second clamping assembly 60 close to the second clamping force adjusting assembly 70 is provided with a fourth magnetic pole, and the third magnetic pole is the same as the fourth magnetic pole; the driving mechanism 10 is drivingly connected with the first clamping distance limiting assembly 20 and the second clamping distance limiting assembly 50 respectively; the driving mechanism 10 can drive the first clamping distance limiting assembly 20 and the second clamping distance limiting assembly 50 to move, and then drive the first clamping assembly 30 and the second clamping assembly 60 to move towards each other along the clamping direction to clamp the target workpiece 100 or move away from each other to release the target workpiece 100.

[0111] The first clamping assembly 30 and the second clamping assembly 60 can form a clamping space for clamping the target workpiece 100; the first clamping force adjusting assembly 40, the first clamping assembly 30, the second clamping assembly 60 and the second clamping force adjusting assembly 70 are sequentially arranged along the clamping direction; the first clamping force adjusting assembly 40 is arranged on the side of the first clamping assembly 30 away from the second clamping assembly 60, and the second clamping force adjusting assembly 70 is arranged on the side of the second clamping assembly 60 away from the first clamping assembly 30.

[0112] One end of the first clamping force adjusting assembly 40 close to the first clamping assembly 30 is fixedly provided with a first magnetic member 43, one end of the first clamping assembly 30 close to the first clamping force adjusting assembly 40 is fixedly provided with a second magnetic member 32, the first magnetic member 43 and the second magnetic member 32 are oppositely arranged, and the first magnetic pole of the first magnetic member 43 close to the second magnetic member 32 is the same as the second magnetic pole of the second magnetic member 32 close to the first magnetic member 43, so that the first magnetic member 43 and the second magnetic member 32 repel each other; under the action of the first repulsion force between the first magnetic member 43 and the second magnetic member 32, the first clamping assembly 30 can rotate relative to the first clamping distance limiting assembly 20 to move away from the first clamping force adjusting assembly 40 and close to the second clamping assembly 60.

[0113] The second clamping force adjusting assembly 70 is fixedly provided with a third magnetic member 73 at one end close to the second clamping assembly 60, and the second clamping assembly 60 is fixedly provided with a fourth magnetic member 62 at one end close to the second clamping force adjusting assembly 70. The third magnetic member 73 is oppositely arranged with the fourth magnetic member 62, and the third magnetic pole of the third magnetic member 73 close to the fourth magnetic member 62 is the same as the fourth magnetic pole of the fourth magnetic member 62 close to the third magnetic member 73. In this way, the third magnetic member 73 and the fourth magnetic member 62 repel each other. Under the action of the second repulsion force between the third magnetic member 73 and the fourth magnetic member 62, the second clamping assembly 60 can rotate relative to the second clamping distance limiting assembly 50 to move away from the second clamping force adjusting assembly 70 and move close to the first clamping assembly 30.

[0114] Under the action of the first repulsion force between the first magnetic member 43 and the second magnetic member 32 and the second repulsion force between the third magnetic member 73 and the fourth magnetic member 62, the first clamping assembly 30 and the second clamping assembly 60 can clamp the target material piece 100 in the clamping direction. In this way, the clamping of the target material piece 100 by the micro clamping force is realized.

[0115] The first clamping assembly 30 includes a first clamping body 33 and a second magnetic member 32. The first clamping body 33 is rotationally connected with the first clamping distance limiting assembly 20, and the second magnetic member 32 is embedded at one end of the first clamping body 33 close to the first clamping force adjusting assembly 40. The first clamping force adjusting assembly 40 includes a first movable member 41 and two first clamping force adjusting members 42. The first movable member 41 is arranged on the side of the first clamping body 33 away from the second clamping assembly 60. The first magnetic member 43 is embedded at one end of the first movable member 41 close to the first clamping body 33.

[0116] One end of the first clamping force adjusting member 42 is connected with the first movable member 41, and the other end of the first clamping force adjusting member 42 is in abutment with the first clamping distance limiting assembly 20. Rotating the first clamping force adjusting member 42 can adjust the relative position of the first movable member 41 and the first clamping distance limiting assembly 20 in the clamping direction, thereby adjusting the size of the first repulsion force.

[0117] The first clamping force adjusting member 42 can be a first adjusting screw. The first adjusting screw is screwed with the first movable member 41 in the clamping direction, and the first adjusting screw is in abutment with the first clamping distance limiting assembly 20 through the first movable member 41 in the clamping direction.

[0118] The first clamping force adjusting assembly 40 further comprises two first fixing members 44 for fixing the first movable member 41 and the first clamping distance limiting assembly 20. Specifically, the first fixing members 44 can be first fixing bolts which are respectively screwed with the first movable member 41 and the first clamping distance limiting assembly 20, so as to realize the fixed connection of the first movable member 41 and the first clamping distance limiting assembly 20.

[0119] The second clamping assembly 60 comprises a second clamping body 63 and a fourth magnetic member 62. The second clamping body 63 is rotationally connected with the second clamping distance limiting assembly 50, and the fourth magnetic member 62 is embedded at one end of the second clamping body 63 close to the second clamping force adjusting assembly 70. The second clamping force adjusting assembly 70 comprises a second movable member 71 and two second clamping force adjusting members 72. The second movable member 71 is arranged at one side of the second clamping body 63 away from the first clamping assembly 30. A third magnetic member 73 is embedded at one end of the second movable member 71 close to the second clamping body 63.

[0120] One end of the second clamping force adjusting member 72 is connected with the second movable member 71, and the other end of the second clamping force adjusting member 72 is in abutment with the second clamping distance limiting assembly 50. By rotating and adjusting the second clamping force adjusting member 72, the relative position of the second movable member 71 and the second clamping distance limiting assembly 50 along the clamping direction can be adjusted, and then the second repulsive force can be adjusted.

[0121] The second clamping force adjusting member 72 can be a second adjusting bolt which is screwed with the second movable member 71 along the clamping direction, and the second adjusting bolt passes through the second movable member 71 along the clamping direction and is in abutment with the second clamping distance limiting assembly 50.

[0122] The second clamping force adjusting assembly 70 further comprises two second fixing members 74 for fixing the second movable member 71 and the second clamping distance limiting assembly 50. Specifically, the second fixing members 74 can be second fixing bolts which are respectively screwed with the second movable member 71 and the second clamping distance limiting assembly 50, so as to realize the fixed connection of the second movable member 71 and the second clamping distance limiting assembly 50.

[0123] The first clamping distance limiting assembly 20 comprises a first adapter 21 and a first clamping distance limiting member 22. The first clamping body 33 is rotationally connected with the first adapter 21. The relative position of the first clamping distance limiting member 22 and the first adapter 21 along the clamping direction is adjustable. There is a first gap between the first adapter 21 and the first clamping distance limiting member 22 along the clamping direction, and the first gap is greater than 0.

[0124] When the first clamping distance limiting member 22 and the second clamping distance limiting member 52 abut, the first clamping assembly 30 and the second clamping assembly 60 can clamp the target workpiece 100; when the relative position of the first adapter 21 and the first clamping distance limiting member 22 along the clamping direction is adjusted, the first clamping assembly 30 and the second clamping assembly 60 can clamp another target workpiece, so that the clamping device can be conveniently adapted to target workpieces of different sizes, thereby improving the versatility of the clamping device.

[0125] The first clamping distance limiting assembly 20 further comprises two first limiting members 23; one end of the first limiting member 23 is fixedly connected with the first adapter 21, and the other end of the first limiting member 23 abuts with the first clamping distance limiting member 22 along the clamping direction; the first limiting member 23 is used to fix the relative position of the first clamping distance limiting member 22 and the first adapter 21 along the clamping direction.

[0126] Rotating the first limiting member 23 can realize the adjustment of the relative position of the first adapter 21 and the first clamping distance limiting member 22 along the clamping direction, thereby driving the first clamping assembly 30 to approach or move away from the second clamping assembly 60.

[0127] The first limiting member 23 can be a third adjusting bolt, which is screwed with the first adapter 21 along the clamping direction, and the third adjusting bolt abuts with the first clamping distance limiting member 22 along the clamping direction through the first adapter 21.

[0128] The first clamping distance limiting assembly 20 further comprises two third fixing members 25, which are used to fix the first clamping distance limiting member 22 and the first adapter 21. Specifically, the third fixing member 25 can be a third fixing bolt, which is screwed with the first adapter 21, so as to realize the fixed connection of the first clamping distance limiting member 22 and the first adapter 21.

[0129] The first clamping distance limiting assembly 20 is provided with a first clamping distance adjusting part 24, which comprises a first waist-shaped hole structure, the length direction of the first waist-shaped hole structure being consistent with the clamping direction; the screw rod of the third fixing member 25 is screwed with the first adapter 21 through the through hole of the first clamping distance adjusting part 24, and the head end of the third fixing member 25 presses the end side of the first clamping distance adjusting part 24, so as to realize the fixed connection of the first clamping distance limiting member 22 and the first adapter 21.

[0130] The clamping device further comprises a first connecting member 80 and a second connecting member 90; the first connecting member 80 is drivingly connected with the driving mechanism 10, and the first connecting member 80 is screwed with the first clamping distance limiting assembly 20; the second connecting member 90 is drivingly connected with the driving mechanism 10, and the second connecting member 90 is screwed with the second clamping distance limiting assembly 50.

[0131] The first clamping end of the first clamping assembly 30 is provided with a first anti-skid structure 31, and the second clamping end of the second clamping assembly 60 is provided with a second anti-skid structure 61. The first anti-skid structure 31 and the second anti-skid structure 61 can cooperate to clamp the target workpiece 100. In this way, the reliability of the clamping device in clamping the target workpiece 100 can be improved.

[0132] Embodiment 2

[0133] Embodiment 2 is different from embodiment 1 in that the second clamping distance limiting assembly 50 is provided. The same parts as those of embodiment 1 will not be described here again. The differences between embodiment 2 and embodiment 1 will be described as follows.

[0134] The second clamping distance limiting assembly 50 comprises a second adapter 51 and a second clamping distance limiting piece 52. The second clamping body 63 is rotationally connected to the second adapter 51. The relative position of the second clamping distance limiting piece 52 and the second adapter 51 along the clamping direction is adjustable. There is a second gap between the second clamping distance limiting piece 52 and the second adapter 51 along the clamping direction, and the second gap is greater than 0.

[0135] When the first clamping distance limiting piece 22 and the second clamping distance limiting piece 52 abut, the first clamping assembly 30 and the second clamping assembly 60 can clamp the target workpiece 100. When the relative position of the first adapter 21 and the first clamping distance limiting piece 22 along the clamping direction is adjusted, and / or the relative position of the second adapter 51 and the second clamping distance limiting piece 52 along the clamping direction is adjusted, the first clamping assembly 30 and the second clamping assembly 60 can clamp another target workpiece. In this way, the clamping device can be conveniently adapted to target workpieces of different sizes, thereby improving the versatility of the clamping device.

[0136] The second clamping distance limiting assembly 50 further comprises two second limiting pieces 53. One end of the second limiting piece 53 is fixedly connected to the second adapter 51, and the other end of the second limiting piece 53 abuts the second clamping distance limiting piece 52 along the clamping direction. The second limiting piece 53 is used to fix the relative position of the second adapter 51 and the second clamping distance limiting piece 52 along the clamping direction.

[0137] The second limiting piece 53 can be adjusted in rotation, thereby adjusting the relative position of the second clamping distance limiting piece 52 and the second clamping distance limiting piece 52 along the clamping direction, and further driving the second clamping assembly 60 to move closer to or away from the first clamping assembly 30.

[0138] The second limiting piece 53 can be a fourth adjusting bolt. The fourth adjusting bolt is screwed to the second adapter 51 along the clamping direction, and the fourth adjusting bolt abuts the second clamping distance limiting piece 52 along the clamping direction by penetrating the second adapter 51.

[0139] The second clamping distance limiting assembly 50 further comprises two fourth fixing members 55 for fixing the second clamping distance limiting member 52 and the second adapter member 51. Specifically, the fourth fixing member 55 can be a fourth fixing bolt, which is screwed with the second adapter member 51, so as to realize the fixed connection of the second clamping distance limiting member 52 and the second adapter member 51.

[0140] The second clamping distance limiting assembly 50 is provided with a second clamping distance adjusting part 54, which comprises a second waist-shaped hole structure, the length direction of which is consistent with the clamping direction. The screw rod of the fourth fixing member 55 is screwed with the second adapter member 51 through the through hole of the second clamping distance adjusting part 54, and the head end of the fourth fixing member 55 is pressed against the end side of the second clamping distance adjusting part 54, so as to realize the fixed connection of the first clamping distance limiting member 22 and the first adapter member 21.

[0141] The above is only the preferred embodiment of the present application, and is not used to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A clamping device, characterized in that The utility model relates to a kind of material clamping device, including driving mechanism (10), first clamping distance limiting component (20), first clamping component (30), first clamping force adjusting component (40), second clamping distance limiting component (50), second clamping component (60) and second clamping force adjusting component (70); The first clamping component (30) is rotatably connected with the first clamping distance limiting component (20), and the first clamping force adjusting component (40) is fixedly connected with the first clamping distance limiting component (20); one end of the first clamping force adjusting component (40) close to the first clamping component (30) has a first magnetic pole, one end of the first clamping component (30) close to the first clamping force adjusting component (40) has a second magnetic pole, and the first magnetic pole is the same as the second magnetic pole; the second clamping component (60) is rotatably connected with the second clamping distance limiting component (50), and the second clamping force adjusting component (70) is fixedly connected with the second clamping distance limiting component (50); one end of the second clamping force adjusting component (70) close to the second clamping component (60) has a third magnetic pole, one end of the second clamping component (60) close to the second clamping force adjusting component (70) has a fourth magnetic pole, and the third magnetic pole is the same as the fourth magnetic pole; the driving mechanism (10) is drivingly connected with the first clamping distance limiting component (20) and the second clamping distance limiting component (50) respectively; the driving mechanism (10) can drive the first clamping distance limiting component (20) and the second clamping distance limiting component (50) to move, and then drive the first clamping component (30) and the second clamping component (60) to move towards each other along a clamping direction to clamp a target material piece (100) or move away from each other to release the target material piece (100); The first clamping force adjusting component (40) includes a first movable piece (41) and at least one first clamping force adjusting piece (42); The first movable piece (41) has the first magnetic pole; the first movable piece (41) is arranged on a side of the first clamping component (30) away from the second clamping component (60); The first movable piece (41) is connected with the first clamping distance limiting component (20) through the first clamping force adjusting piece (42), and the first clamping force adjusting piece (42) can adjust the relative position of the first movable piece (41) and the first clamping distance limiting component (20) along the clamping direction.

2. The clamping device of claim 1, wherein The first clamping distance limiting component (20) includes a first adapter (21) and a first clamping distance limiting piece (22); The first adapter (21) is connected with the first clamping distance limiting piece (22), and the relative position of the first adapter (21) and the first clamping distance limiting piece (22) along the clamping direction is adjustable; In the case that the first clamping distance limiting part (22) and the second clamping distance limiting assembly (50) abut, the first clamping assembly (30) and the second clamping assembly (60) can clamp the target material piece (100).

3. The clamping device of claim 2, wherein The first clamping distance limiting assembly (20) further comprises at least one first limiting part (23); One end of the first limiting part (23) is fixedly connected with the first adapter (21), and the other end of the first limiting part (23) abuts with the first clamping distance limiting part (22) along the clamping direction; The first limiting part (23) is used for fixing the relative position of the first clamping distance limiting part (22) and the first adapter (21) along the clamping direction.

4. The clamping device according to any one of claims 1-3, characterized in that, The second clamping force adjusting assembly (70) comprises a second movable part (71) and at least one second clamping force adjusting part (72); The second movable part (71) has the third magnetic pole; the second movable part (71) is arranged on the side of the second clamping assembly (60) away from the first clamping assembly (30); The second movable part (71) is connected with the second clamping distance limiting assembly (50) through the second clamping force adjusting part (72), and the second clamping force adjusting part (72) can adjust the relative position of the second movable part (71) and the second clamping distance limiting assembly (50) along the clamping direction.

5. The clamping device according to any one of claims 1-3, characterized in that, The second clamping distance limiting assembly (50) comprises a second adapter (51) and a second clamping distance limiting part (52); The second adapter (51) is connected with the second clamping distance limiting part (52), and the relative position of the second adapter (51) and the second clamping distance limiting part (52) along the clamping direction is adjustable; In the case that the second clamping distance limiting part (52) and the first clamping distance limiting assembly (20) abut, the first clamping assembly (30) and the second clamping assembly (60) can clamp the target material piece (100).

6. The clamping device of claim 5, wherein The second clamping distance limiting assembly (50) further comprises at least one second limiting part (53); one end of the second limiting part (53) is fixedly connected with the second adapter (51), and the other end of the second limiting part (53) abuts with the second clamping distance limiting part (52) along the clamping direction; The second limiting part (53) is used for fixing the relative position of the second adapter (51) and the second clamping distance limiting part (52) along the clamping direction.

7. The clamping device according to any one of claims 1-3, characterized in that The first clamping distance limiting assembly (20) is provided with a first clamping distance adjusting part (24), and the first clamping distance adjusting part (24) comprises a first waist hole structure, and the length direction of the first waist hole structure is consistent with the clamping direction; The second clamping distance limiting assembly (50) is provided with a second clamping distance adjusting part (54), and the second clamping distance adjusting part (54) comprises a second waist hole structure, and the length direction of the second waist hole structure is consistent with the clamping direction.

8. The clamping device according to any one of claims 1-3, characterized in that, The clamping device further comprises a first connecting piece (80) and a second connecting piece (90); The first connecting piece (80) is drivingly connected with the driving mechanism (10), and the first connecting piece (80) is fixedly connected with the first clamping distance limiting assembly (20); The second connecting piece (90) is drivingly connected with the driving mechanism (10), and the second connecting piece (90) is fixedly connected with the second clamping distance limiting assembly (50).

9. The clamping device according to any one of claims 1-3, characterized in that, A first anti-slip structure (31) is arranged on the first clamping end of the first clamping assembly (30), and a second anti-slip structure (61) is arranged on the second clamping end of the second clamping assembly (60), and the first anti-slip structure (31) and the second anti-slip structure (61) can cooperate to clamp the target material piece (100).

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