CN114083564A - Clamping device - Google Patents

Abstract

The embodiment of the application discloses clamping device relates to mechanical tool technical field, has solved the unable problem of centre gripping different shape objects of clamping device among the correlation technique. The clamping device comprises a base, a first clamping assembly and a second clamping assembly, wherein the first clamping assembly is slidably connected with the base, the second clamping assembly is arranged on the base and comprises a clamping seat and a sliding block group, the sliding block group is slidably connected with the clamping seat through a curved surface, when the first clamping assembly slides with the base, the sliding block group can move towards or away from the second clamping assembly so as to enable the first clamping assembly and the second clamping assembly to clamp or release a clamped object, and the side surface of the sliding block group, which is away from the clamping seat, is abutted against the clamped object. The clamping device of the application is used for clamping an object.

Description

Clamping device

Technical Field

The embodiment of the application relates to the technical field of mechanical tools, in particular to a clamping device.

Background

In mechanical production experiments, it is often necessary to fix a workpiece and then operate on the workpiece. In the case that it is not easy for an operator to manually hold a workpiece, it is necessary to clamp the workpiece using a clamping device.

The related art clamping device includes a clamping portion having a shape matched with a shape of a specific object to be clamped, and clamps the object by the clamping portion.

However, since the clamping portion has a fixed shape, it can only match with an object having a specific shape, and cannot match with objects having different shapes, and thus, it is impossible to clamp objects having different shapes.

Disclosure of Invention

The embodiment of the application provides a clamping device, can carry out the centre gripping to the object of different shapes.

In a first aspect, an embodiment of the application provides a clamping device, which comprises a base, a first clamping assembly and a second clamping assembly, wherein the first clamping assembly is slidably connected with the base, the second clamping assembly comprises a clamping seat and a sliding block set, the sliding block set is slidably connected with the clamping seat through a curved surface, when the first clamping assembly slides with the base, the sliding block set can move towards or away from the second clamping assembly, so that the first clamping assembly and the second clamping assembly clamp or release a clamped object, and the side surface of the sliding block set, which is away from the clamping seat, abuts against the clamped object.

The embodiment of the application provides a clamping device, the base is used for providing the support for first centre gripping subassembly and second centre gripping subassembly, first centre gripping subassembly and base sliding connection, the setting of second centre gripping subassembly is on the base, first centre gripping subassembly can carry out the centre gripping to the object along the direction motion towards second centre gripping subassembly, the direction motion along keeping away from second centre gripping subassembly can release the object, second centre gripping subassembly includes holder and sliding block group, sliding block group passes through curved surface sliding connection with the holder, the side that the holder was kept away from to the sliding block group supports with by the centre gripping thing, sliding block group supports along curved surface and holder sliding connection, make sliding block group can adapt to the shape by the centre gripping thing with the side that is supported by the centre gripping thing, thereby can the object of different shapes centre gripping. Compare among the correlation technique clamping part can only match with the object of specific shape, this application passes through slider group along curved surface and holder sliding connection for the side that the holder was kept away from to slider group can match the object of different shapes, realizes the centre gripping to the object of different shapes, and the centre gripping wide range, the centre gripping reliability is high.

In one possible implementation manner of the present application, the sliding block set is slidably connected with the clamping seat through an arc surface recessed towards the inside of the clamping seat. The sliding block group and the clamping seat can be connected in a sliding mode through an arc surface protruding towards the outside of the clamping seat.

In a possible implementation of this application, be equipped with the first sand grip that sets up along sliding block set sliding direction on the side of holder orientation sliding block set, sliding block set is equipped with first spout corresponding to first sand grip on the side of holder orientation, and first sand grip stretches into first spout slidable to make sliding block set and holder sliding connection. The first protruding strip can also be arranged on the side surface of the sliding block group facing the clamping seat, and the first sliding groove is arranged on the side surface of the clamping seat facing the sliding block group. The cross section of first spout can be rectangle, square, trapezoidal, irregular shape etc. and when the cross section of first spout was trapezoidal, its upper shed's width was less than the width of bottom surface down, first bellied shape and first spout looks adaptation.

In a possible implementation of the application, the sliding block set comprises a sliding block and a clamping block, the clamping block is arranged on one side, close to the first clamping assembly, of the sliding block, and the clamping block is connected with the sliding block in a sliding mode through an arc surface recessed towards the inside of the sliding block.

In a possible implementation manner of the application, a second protruding strip arranged along the sliding direction of the clamping block is arranged on the side face, facing the clamping block, of the sliding block, a second sliding groove is formed in the side face, facing the sliding block, of the clamping block, and the second protruding strip slidably extends into the second sliding groove, so that the clamping block is connected with the sliding block in a sliding mode.

In a possible implementation manner of the present application, the number of the clamping blocks is multiple, and the multiple clamping blocks are distributed along one side of the sliding block close to the first clamping assembly. The grip block can be one or more, in order to increase clamping device and by the pinch point between the centre gripping thing, grip block quantity is more better, according to actual production experiment needs, and it has 8 grip blocks to distribute along one side that the slider is close to first centre gripping subassembly in this application.

In a possible implementation manner of the present application, the number of the sliding blocks is multiple, and the multiple sliding blocks are distributed along a side of the clamping seat close to the first clamping assembly. The number of the sliding blocks can be one, the clamping blocks are connected with the sliding block in a sliding mode, and the sliding blocks are arranged in a plurality in order to improve the adaptability of the clamping device to the clamped object with the irregular shape and improve the clamping reliability.

In a possible implementation manner of the application, the plurality of sliding blocks are arranged along the direction from the second clamping assembly to the first clamping assembly, and along the direction from the second clamping assembly to the first clamping assembly, the two adjacent sliding blocks are connected in a sliding manner through the arc surfaces recessed towards the inside of the clamping seat. The sliding blocks can be connected with the clamping seat in a sliding mode on one side, close to the first clamping assembly, of the clamping seat, in order to improve adaptability of the clamping device to irregularly-shaped clamped objects, the sliding blocks are arranged to be of a multilayer structure in the direction from the second clamping assembly to the first clamping assembly, and two adjacent sliding blocks of adjacent layers are connected in a sliding mode.

In a possible implementation manner of the application, the sizes of the plurality of sliders are gradually reduced along the direction from the second clamping assembly to the first clamping assembly, among the plurality of sliders, the slider closest to the first clamping assembly is connected with the clamping block towards one side of the first clamping assembly, and the rest of each slider is connected with the plurality of sliders towards one side of the first clamping assembly in a sliding manner. The sliding blocks on each layer positioned between the clamping seat and the clamping blocks can be one or a plurality of, the number of the sliding blocks on each layer between the clamping seat and the clamping blocks is gradually increased in order to enable the clamping blocks to be better adapted to the shape of a clamped object, and specifically, one side of each sliding block facing the first clamping assembly is connected with a plurality of sliding blocks in a sliding mode.

In a possible implementation manner of the present application, in the direction from the second clamping assembly to the first clamping assembly, a third protruding strip is disposed on a side surface of each slider facing the first clamping assembly, a third sliding groove is disposed on a side surface facing the clamping seat corresponding to the third protruding strip, and the third protruding strip of one of the two adjacent sliders extends into the third sliding groove of the other slider, so that the two adjacent sliders are slidably connected.

In a possible implementation manner of the application, the second clamping assembly is connected with the base in a sliding manner, the second clamping assembly and the first clamping assembly form a straight line along the sliding direction of the base, and the first clamping assembly and the second clamping assembly slide relative to the base through a displacement mechanism. As long as one of the first clamping assembly and the second clamping assembly is in sliding connection with the base, the first clamping assembly moves towards or away from the second clamping assembly, and the clamped object can be clamped or loosened. In order to improve clamping device's efficiency, second centre gripping subassembly and base sliding connection in this application, and the gliding direction of base is followed to second centre gripping subassembly, becomes a straight line with first centre gripping subassembly along the gliding direction of base.

In a possible implementation of this application, displacement mechanism includes lead screw and fixing base, fixing base and base fixed connection, but the middle part and the fixing base swivelling joint of lead screw, and the fixing base is spacing the lead screw along its axial motion, first centre gripping subassembly and second centre gripping subassembly are passed respectively at the both ends of lead screw, the lead screw passes through first threaded connection with first centre gripping subassembly, the lead screw passes through second threaded connection with second centre gripping subassembly, the line of first screw thread and second screw thread is opposite.

In one possible implementation manner of the present application, an operating handle is provided at one end of the screw rod, and the operating handle is used for being clamped by a mechanical arm to rotate the screw rod. One end of the lead screw can also be connected with a driving mechanism. In order to facilitate the clamping by the mechanical arm in the hot chamber, an operating handle is arranged at one end of the lead screw.

In a possible implementation manner of the application, a fourth sliding groove is formed in the base along the sliding direction of the first clamping assembly, a first matching protrusion and a second matching protrusion are respectively arranged on one side, facing the base, of the first clamping assembly and one side, facing the base, of the second clamping assembly, the first matching protrusion and the second matching protrusion extend into the fourth sliding groove, and the fourth sliding groove can be slid along. The first clamping assembly and the second clamping assembly can also be directly connected with the base in a sliding mode.

In a possible implementation manner of the present application, a cross section of the fourth sliding groove is a trapezoid structure, a width of an upper opening of the fourth sliding groove is smaller than a width of the lower bottom surface, and shapes of the first matching protrusion and the second matching protrusion are matched with the fourth sliding groove. The cross section of the fourth chute can also be rectangular, square or irregular, etc.

Drawings

Fig. 1 is a schematic structural diagram of a clamping device according to an embodiment of the present disclosure;

fig. 2 is an enlarged view of a joint of a first clamping assembly and a second clamping assembly in a clamping device according to an embodiment of the present disclosure;

fig. 3 is a schematic structural view of a side of a clamping seat facing a sliding block set in a clamping device according to an embodiment of the present disclosure;

fig. 4 is a schematic structural view of a side of a sliding block set facing a clamping seat in a clamping device according to an embodiment of the present disclosure;

fig. 5 is a schematic structural diagram of a slider facing a clamping block in a clamping device according to an embodiment of the present disclosure;

fig. 6 is a diagram illustrating a usage state of a clamping device according to an embodiment of the present disclosure.

Reference numerals:

1-a base; 11-a fourth chute; 2-a first clamping assembly; 21-a first mating projection; 3-a second clamping assembly; 31-a holder; 311-a first rib; 312-a first stop bar; 313-a second mating projection; 32-a set of sliders; 321-a slide block; 3211-second convex strip; 3212-a second stop bar; 3213-a third chute; 322-a clamping block; 3221-a second chute; 323-a first runner; 324-a first retaining hole; 4-a displacement mechanism; 41-lead screw; 411 — first thread; 412-a second thread; 413-operating handle; 42-a fixed seat; 5-the object to be clamped.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, specific technical solutions of the present application will be described in further detail below with reference to the accompanying drawings in the embodiments of the present application. The following examples are intended to illustrate the present application but are not intended to limit the scope of the present application.

In the embodiments of the present application, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present application, "a plurality" means two or more unless otherwise specified.

In addition, in the embodiments of the present application, directional terms such as "upper", "lower", "left", and "right" are defined with respect to the schematically-placed orientation of components in the drawings, and it is to be understood that these directional terms are relative concepts, which are used for descriptive and clarifying purposes, and may be changed accordingly according to changes in the orientation in which the components are placed in the drawings.

In the embodiments of the present application, unless otherwise explicitly stated or limited, the term "connected" is to be understood broadly, for example, "connected" may be a fixed connection, a detachable connection, or an integral body; may be directly connected or indirectly connected through an intermediate.

In the embodiments of the present application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

In the embodiments of the present application, words such as "exemplary" or "for example" are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "e.g.," is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present relevant concepts in a concrete fashion.

The embodiment of the application provides a clamping device, which is often used in the situation that an object is inconvenient to hold manually and further the object is controlled, for example, in a hot room, the hot room is a shielding small room for performing high-radioactivity tests and operations, and due to strong radioactivity, personnel cannot enter the hot room for performing experimental production; when the weight or the volume of the object is too large, the person is inconvenient to hold and control.

The clamping device in the related art has the clamping part with a fixed shape, can only clamp objects with specific shapes, and can clamp objects with other shapes because the shape of the clamping part cannot be matched with the clamped objects, so that the stress points are few, and the stress of each stress point is uneven, so that the clamped objects cannot be reliably clamped.

The clamping device of this application embodiment has carried out new design to the structure, refers to fig. 1, and slider 321 group 32 passes through curved surface sliding connection with holder 31 for when first centre gripping subassembly 2 and second centre gripping subassembly 3 are to being held by centre gripping thing 5, slider 321 group 32 is through sliding along the curved surface and is being adapted to the shape by centre gripping thing 5, thereby makes clamping device can the centre gripping object of different shapes, and the centre gripping is stable.

Referring to fig. 1, an embodiment of the present application provides a clamping device, including a base 1, a first clamping assembly 2 and a second clamping assembly 3, where the first clamping assembly 2 is slidably connected to the base 1, the second clamping assembly 3 includes a holder 31 and a slider 321 group 32, the slider 321 group 32 is slidably connected to the holder 31 through a curved surface, and when the first clamping assembly 2 slides with the base 1, the slider 321 group can move toward or away from the second clamping assembly 3, so that the first clamping assembly 2 and the second clamping assembly 3 clamp or release an object 5 to be clamped, and a side surface of the slider 321 group 32 away from the holder 31 abuts against the object 5 to be clamped.

The embodiment of the application provides a clamping device, base 1 is used for providing the support for first centre gripping subassembly 2 and second centre gripping subassembly 3, first centre gripping subassembly 2 and 1 sliding connection of base, second centre gripping subassembly 3 sets up on base 1, first centre gripping subassembly 2 can carry out the centre gripping to the object along the direction motion towards second centre gripping subassembly 3, the direction motion of keeping away from second centre gripping subassembly 3 can release the object, second centre gripping subassembly 3 includes holder 31 and slider 321 group 32, slider 321 group 32 passes through curved surface sliding connection with holder 31, the side that holder 31 was kept away from to slider 321 group 32 supports with by centre gripping thing 5, slider 321 group 32 supports along curved surface and holder 31 sliding connection, make slider 321 group 32 and the side that is supported by centre gripping thing 5 and can adapt to by the shape of centre gripping thing 5, thereby can the object of different shapes of centre gripping. Compare among the correlation technique clamping part can only match with the object of specific shape, this application passes through slider 321 group 32 along curved surface and holder 31 sliding connection for the side that holder 31 was kept away from to slider 321 group 32 can match the object of different shapes, realizes the centre gripping to the object of different shapes, and the centre gripping wide range, the centre gripping reliability is high.

Referring to fig. 1, the sliding block 321 group 32 is slidably connected to the holder 31 through a curved surface, the curved surface may be an uneven arc surface along the holder 31, an arc surface recessed towards the inside of the holder 31, or an arc surface protruding towards the outside of the holder 31, and in the embodiment of the present application, the sliding block 321 group 32 is slidably connected to the holder 31 through the arc surface recessed towards the inside of the holder 31.

In order to make the set of sliders 321 32 slide relative to the holder 31 in a certain direction, referring to fig. 2 and 3, in the embodiment of the present application, a first protruding strip 311 disposed along the sliding direction of the set of sliders 321 is disposed on a side surface of the holder 31 facing the set of sliders 321 32, a first sliding slot 323 corresponding to the first protruding strip 311 is disposed on a side surface of the set of sliders 321 32 facing the holder 31, and the first protruding strip 311 slidably extends into the first sliding slot 323, so that the set of sliders 321 32 is slidably connected with the holder 31.

For example, the first protrusion 311 may be disposed on a side surface of the set of sliders 321 facing the holder 31, and the first slide groove 323 may be disposed on a side surface of the holder 31 facing the set of sliders 321 32.

The cross section of the first sliding groove 323 can be rectangular, square, trapezoidal, irregular, etc., in order to improve the sliding stability of the set 32 of the sliding blocks 321 and the holder 31 and prevent the first protruding strip 311 from slipping off from the first sliding groove 323, in this embodiment, the cross section of the first sliding groove 323 is trapezoidal, and the opening width of the first sliding groove 323 is smaller than the width of the ground.

In order to enable the clamping seat 31 and the sliding block 321 group 32 to relatively slide within a certain angle, referring to fig. 2 and 4, in the embodiment of the present application, a first limiting hole 324 is disposed on a side surface of the sliding block 321 group 32 facing the clamping seat 31 along a sliding direction of the sliding block 321 group 32, a first limiting strip 312 corresponding to the first limiting hole 324 is disposed on a side surface of the clamping seat 31 facing the sliding block 321 group 32, a first limiting block is disposed at an end of the first limiting strip 312, the first limiting block protrudes out of a radial outer profile of the first limiting strip 312, and the first limiting strip 312 extends into the first limiting hole 324, so that the clamping seat 31 and the sliding block 321 group 32 relatively slide within a certain angle.

In order to make the set 32 of sliding blocks 321 better adapt to the shape of the object 5 to be clamped, referring to fig. 2, in the embodiment of the present application, the set 32 of sliding blocks 321 includes a sliding block 321 and a clamping block 322, the clamping block 322 is disposed on a side of the sliding block 321 close to the first clamping assembly 2, and the clamping block 322 and the sliding block 321 are slidably connected through a circular arc surface recessed towards the inside of the sliding block 321. The clamping block 322 is connected with the sliding block 321 in a sliding manner along the arc surface recessed towards the inside of the sliding block 321, so that the sliding block 321 group 32 has a double-layer structure, each layer of structure can slide relative to the clamping seat 31, and the sliding range of the sliding block 321 group 32 is expanded.

In order to make the clamping block 322 slide relative to the sliding block 321 in a certain direction, referring to fig. 2 and 5, in the embodiment of the present application, a second protruding strip 3211 arranged along the sliding direction of the clamping block 322 is arranged on the side of the sliding block 321 facing the clamping block 321, a second sliding slot 3221 is arranged on the side of the clamping block 322 facing the sliding block 321 corresponding to the second protruding strip 3211, and the second protruding strip 3211 slidably extends into the second sliding slot 3221, so that the clamping block 322 and the sliding block 321 are slidably connected.

For example, the second protruding bar 3211 may be disposed on a side of the clamping block 322 facing the sliding block 321, and the second sliding groove 3221 may be disposed on a side of the sliding block 321 facing the clamping block 322.

The cross section of the second sliding groove 3221 may be rectangular, square, trapezoidal, irregular, etc., and in order to improve the sliding stability of the slider 321 and the clamping block 322 and prevent the second protruding strip 3211 from slipping off from the second sliding groove 3221, the cross section of the second sliding groove 3221 is trapezoidal in this embodiment of the application, and the opening width of the second sliding groove 3221 is smaller than the width of the ground.

In order to enable the clamping block 322 and the sliding block 321 to relatively slide within a certain angle, referring to fig. 2 and 5, in this embodiment of the application, a second limiting hole is formed in a side surface of the sliding block 321 facing the clamping block 322, a second limiting strip 3212 is formed in the side surface of the clamping block 322 facing the sliding block 321, the side surface of the clamping block 3212 corresponding to the second limiting hole is provided with a second limiting block, the second limiting block protrudes out of a radial outer contour of the second limiting strip 3212, and the second limiting strip 3212 extends into the second limiting hole, so that the clamping block 322 and the sliding block 321 relatively slide within a certain angle.

The grip block 322 can be one or more, for make the more stable centre gripping of clamping device by the centre gripping thing 5, can be through increasing the grip block between clamping device and the by the centre gripping thing 5, theoretically speaking, the grip block is more the better, can increase the grip block through the quantity that increases grip block 322, according to actual production experiment needs, it has 8 grip blocks 322 to distribute along one side that slider 321 is close to first centre gripping subassembly 2 in this application embodiment.

The number of the sliding blocks 321 can be one or more, when one sliding block 321 is provided, the plurality of clamping blocks 322 are connected with one sliding block 321 in a sliding manner, and the sliding range of the clamping blocks 322 relative to the clamping seat 31 is small, so that the adaptability of the clamping device to the irregularly-shaped clamped object 5 is influenced. In order to improve the adaptability of the clamping device to the irregularly-shaped object 5 to be clamped, in the embodiment of the present application, the sliding blocks 321 are provided in a plurality, and the plurality of sliding blocks 321 are distributed along one side of the clamping seat 31 close to the first clamping assembly 2.

The plurality of sliding blocks 321 may be disposed on the side surface of the holder 31 close to the first clamping assembly 2 at intervals, in order to make the clamping block 322 better adapt to the irregularly-shaped object to be clamped 5, referring to fig. 1 and 2, in the embodiment of the present application, the plurality of sliding blocks 321 are disposed along the direction from the second clamping assembly 3 to the first clamping assembly 2, and are disposed in a multilayer structure, and in the direction from the second clamping assembly 3 to the first clamping assembly 2, two adjacent sliding blocks 321 are slidably connected through an arc surface recessed towards the inside of the holder 31.

Illustratively, the plurality of sliders 321 is provided with four layers in the direction from the second clamping assembly 3 to the first clamping assembly 2.

In order to enable the plurality of clamping blocks 322 to better adapt to the shape of the object 5 to be clamped, referring to fig. 1 and 2, in the embodiment of the present invention, the size of the plurality of sliding blocks 321 decreases gradually in the direction from the second clamping assembly 3 to the first clamping assembly 2, of the plurality of sliding blocks 321, the sliding block 321 closest to the first clamping assembly 2 is connected to the clamping block 322 on the side facing the first clamping assembly 2, and the plurality of sliding blocks 321 are connected to each of the rest of the sliding blocks 321 on the side facing the first clamping assembly 2 in a sliding manner.

Illustratively, referring to fig. 1 and 2, two sliders 321 are slidably connected to each of the remaining sliders 321 on a side facing the first clamping assembly 2.

Illustratively, referring to fig. 1 and 2, the gripping block 322 is semi-cylindrical.

In order to enable the sliding blocks 321 and the sliding blocks 321 to slide relatively in a certain direction, referring to fig. 2, in the embodiment of the present application, along the direction from the second clamping assembly 3 to the first clamping assembly 2, a third protruding strip is disposed on a side surface of each sliding block 321 facing the first clamping assembly 2, a third sliding slot 3213 is disposed on a side surface facing the holder 31 corresponding to the third protruding strip, and the third protruding strip of one of the two adjacent sliding blocks 321 extends into the third sliding slot 3213 of the other sliding block 321, so that the two adjacent sliding blocks 321 are connected in a sliding manner.

For example, the third protruding strip may be disposed on a side of the sliding block 321 facing the holder 31, and the third sliding slot 3213 may be disposed on a side facing the first clamping assembly 2.

The cross section of the third sliding groove 3213 may be rectangular, square, trapezoidal, irregular, etc., and in order to improve the sliding stability of the sliding block 321 and the clamping block 322 and prevent the third protruding strip from slipping from the third sliding groove 3213, the cross section of the third sliding groove 3213 in the embodiment of the present application is trapezoidal, and the opening width of the third sliding groove 3213 is smaller than the width of the ground.

In order to enable two adjacent sliding blocks 321 to relatively slide within a certain angle in the direction from the second clamping component 3 to the first clamping component 2, in this embodiment of the present application, a third limiting hole is disposed on a side surface of each sliding block 321 facing the first clamping component 2, a third limiting strip is disposed on a side surface facing the clamping seat 31 and corresponding to the third limiting hole, a third limiting block is disposed at an end of the third limiting strip, the third limiting block protrudes out of a radial outer contour of the third limiting strip, and the third limiting strip of one of the two adjacent sliding blocks 321 extends into the third limiting hole of the other sliding block 321, so that the two adjacent sliding blocks 321 relatively slide within a certain angle.

Illustratively, in the direction from the second clamping assembly 3 to the first clamping assembly 2, the sliding blocks 321 close to the clamping seat 31 protrude out of the outer edge of the clamping seat 31, the clamping blocks 322 protrude out of the outer edge of the sliding blocks 321 slidably connected with the clamping seat, the rest of the sliding blocks 321 located between the clamping seat 31 and the clamping blocks 322, and the sliding block 321 far from the clamping seat 31 in the two adjacent sliding blocks 321 protrudes out of the outer edge of the sliding block 321 close to the clamping seat 31.

In order to better adapt to the shape of the object 5 to be clamped, the first clamping assembly 2 has the same structure as the second clamping assembly 3 in the embodiment of the present application, and referring to fig. 6, the object 5 to be clamped is clamped by the first clamping assembly 2 and the second clamping assembly 3 which have the same structure in the embodiment of the present application.

As long as one of the first clamping assembly 2 and the second clamping assembly 3 is in sliding connection with the base 1, the first clamping assembly 2 and the second clamping assembly 3 move along the directions close to or far away from each other, and the clamped object 5 can be clamped or loosened. In order to improve the efficiency of the clamping device, referring to fig. 1, in the embodiment of the present application, the second clamping assembly 3 is also slidably connected to the base 1, the second clamping assembly 3 is aligned with the first clamping assembly 2 along the sliding direction of the base 1, and both the first clamping assembly 2 and the second clamping assembly 3 slide relative to the base 1 through a displacement mechanism 4.

The displacement mechanism 4 may be a first push rod and a second push rod fixedly connected to the first clamping assembly 2 and the second clamping assembly 3, respectively, and the first clamping assembly 2 and the second clamping assembly 3 are moved in a direction approaching or departing from each other by applying a force to the first push rod and the second push rod simultaneously.

In order to enable the first clamping assembly 2 and the second clamping assembly 3 to move smoothly along the direction of approaching to or keeping away from each other, referring to fig. 1, in the embodiment of the present application, the displacement mechanism 4 includes a screw rod 41 and a fixing seat 42, the fixing seat 42 is fixedly connected with the base 1, the middle portion of the screw rod 41 is rotatably connected with the fixing seat 42, and the fixing seat 42 can limit the movement of the screw rod along the axial direction thereof, two ends of the screw rod respectively pass through the first clamping assembly 2 and the second clamping assembly 3, the screw rod is connected with the first clamping assembly 2 through a first thread 411, the screw rod is connected with the second clamping assembly 3 through a second thread 412, and the lines of the first thread 411 and the second thread 412 are opposite. Through the first thread 411 and the second thread 412 with opposite lines, the lead screw 41 can drive the first clamping assembly 2 and the second clamping assembly 3 to move oppositely, and the operation is convenient.

For example, the fixing base 42 may be rotatably connected to one end of the lead screw 41.

For example, the displacement mechanism 4 may include a first lead screw 41 and a second lead screw 41, the first lead screw 41 is connected to the first clamping assembly 2 by a screw thread and rotatably connected to the first fixing seat 42, and the second lead screw 41 is connected to the second clamping assembly 3 by a screw thread and rotatably connected to the second fixing seat 42.

One end of the lead screw 41 may be connected to a driving mechanism or operating handle 413. In order to enable the device to be used in a hot chamber, referring to fig. 1, one end of a lead screw 41 in the embodiment of the present application is provided with an operating handle 413, and the operating handle 413 is used for being clamped by a mechanical arm to rotate the lead screw.

Illustratively, the operating handle 413 is rod-shaped, and the extending direction of the operating handle 413 forms an angle with the extending direction of the lead screw 41, so as to facilitate the rotation of the mechanical arm.

Illustratively, the handle 413 has a profile to facilitate robotic gripping.

First centre gripping subassembly 2 and second centre gripping subassembly 3 can with base 1 direct sliding connection, in order to make first centre gripping subassembly 2 and second centre gripping subassembly 3 along certain direction and base 1 sliding connection, refer to fig. 1, be equipped with fourth spout 11 along first centre gripping subassembly 2 sliding direction on the base 1 in this application embodiment, one side of first centre gripping subassembly 2 and second centre gripping subassembly 3 towards base 1 is equipped with first cooperation arch 21 and second cooperation arch 313 respectively, first cooperation arch 21 and second cooperation arch 313 all stretch into in the fourth spout 11, and can slide along fourth spout 11.

The cross section of the fourth sliding chute 11 can be rectangular, square, trapezoidal, irregular and the like, in order to improve the sliding stability of the first clamping component 2 and the second clamping component 3 and the base 1, and prevent the first matching protrusion 21 and the second matching protrusion 313 from slipping from the fourth sliding chute 11, referring to fig. 1, the cross section of the fourth sliding chute 11 in the embodiment of the present application is of a trapezoidal structure, the width of the upper opening of the fourth sliding chute 11 is smaller than that of the lower bottom surface, and the shapes of the first matching protrusion 21 and the second matching protrusion 313 are matched with the fourth sliding chute 11.

The above-mentioned serial numbers of the embodiments of the present application are merely for description and do not represent the merits of the embodiments. The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application, or which are directly or indirectly applied to other related technical fields, are included in the scope of the present application.

Claims (15)

1. A clamping device, comprising:

a base;

a first clamping assembly slidably connected with the base;

the second clamping assembly is arranged on the base and comprises a clamping seat and a sliding block group, and the sliding block group is connected with the clamping seat in a sliding mode through a curved surface;

when the first clamping assembly slides with the base, the first clamping assembly can move towards or away from the second clamping assembly so that the first clamping assembly and the second clamping assembly clamp or release a clamped object, and the side surface of the sliding block group, which is away from the clamping seat, abuts against the clamped object.

2. The clamping device as claimed in claim 1, wherein the sliding block set is slidably connected with the clamping seat through a circular arc surface recessed towards the interior of the clamping seat.

3. The clamping device as claimed in claim 2, wherein a first protruding strip is disposed on a side of the clamping seat facing the slider group along a sliding direction of the slider group, a first sliding slot is disposed on a side of the slider group facing the clamping seat corresponding to the first protruding strip, and the first protruding strip slidably extends into the first sliding slot to slidably connect the slider group and the clamping seat.

4. The clamping device of claim 2, wherein the slider set comprises a slider and a clamping block, the clamping block is arranged on one side of the slider close to the first clamping assembly, and the clamping block is in sliding connection with the slider through an arc surface recessed towards the inside of the slider.

5. The clamping device of claim 4, wherein a second protrusion is disposed on a side of the sliding block facing the clamping block along a sliding direction of the clamping block, a second sliding slot is disposed on a side of the clamping block facing the sliding block corresponding to the second protrusion, and the second protrusion slidably extends into the second sliding slot to slidably connect the clamping block and the sliding block.

6. The clamping device of claim 4, wherein said clamping blocks are plural and are distributed along a side of said slider adjacent to said first clamping assembly.

7. The clamping device of claim 4, wherein said plurality of said slides are distributed along a side of said cartridge adjacent to said first clamping assembly.

8. The clamping device as claimed in claim 4, wherein the number of the sliding blocks is plural, the plural sliding blocks are arranged along the direction from the second clamping assembly to the first clamping assembly, and along the direction from the second clamping assembly to the first clamping assembly, two adjacent sliding blocks are connected in a sliding manner through an arc surface recessed towards the interior of the clamping seat.

9. The clamping device of claim 8, wherein a plurality of said slides decrease in size in a direction from said second clamping assembly to said first clamping assembly, said slide closest to said first clamping assembly of said plurality of slides being connected to said clamping block on a side thereof facing said first clamping assembly, each of said remaining slides being slidably connected to said plurality of slides on a side thereof facing said first clamping assembly.

10. The clamping device of claim 9, wherein, along a direction from the second clamping assembly to the first clamping assembly, a third protrusion is disposed on a side surface of each of the sliding blocks facing the first clamping assembly, a third sliding slot is disposed on a side surface facing the holder corresponding to the third protrusion, and the third protrusion of one of the two adjacent sliding blocks extends into the third sliding slot of the other sliding block, so that the two adjacent sliding blocks are slidably connected.

11. A clamping apparatus as claimed in any one of claims 1 to 10, wherein a second clamping assembly is slidably connected to the base, the second clamping assembly being aligned with the first clamping assembly in the direction of sliding movement of the base, the first and second clamping assemblies each being slidable relative to the base by a displacement mechanism.

12. The clamping device as claimed in claim 11, wherein the displacement mechanism includes a screw rod and a fixing seat, the fixing seat is fixedly connected to the base, the middle portion of the screw rod is rotatably connected to the fixing seat, the fixing seat can limit the movement of the screw rod along the axial direction thereof, two ends of the screw rod respectively pass through the first clamping assembly and the second clamping assembly, the screw rod is connected to the first clamping assembly through a first thread, the screw rod is connected to the second clamping assembly through a second thread, and the first thread and the second thread have opposite threads.

13. A holding arrangement as claimed in claim 12, wherein the lead screw is provided with an operating knob at one end thereof, the operating knob being adapted to be held by a robotic arm to rotate the lead screw.

14. The clamping device as claimed in claim 11, wherein a fourth sliding groove is formed in the base along the sliding direction of the first clamping assembly, a first engaging protrusion and a second engaging protrusion are respectively formed on one side of the first clamping assembly and one side of the second clamping assembly facing the base, and both the first engaging protrusion and the second engaging protrusion extend into the fourth sliding groove and can slide along the fourth sliding groove.

15. The clamping device as claimed in claim 14, wherein the cross section of the fourth sliding slot is a trapezoid structure, the width of the upper opening of the fourth sliding slot is smaller than that of the lower bottom surface, and the shape of the first engaging protrusion and the second engaging protrusion is matched with the fourth sliding slot.

Images