CN114083564B - Clamping device - Google Patents
Clamping device Download PDFInfo
- Publication number
- CN114083564B CN114083564B CN202111388445.8A CN202111388445A CN114083564B CN 114083564 B CN114083564 B CN 114083564B CN 202111388445 A CN202111388445 A CN 202111388445A CN 114083564 B CN114083564 B CN 114083564B
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- Prior art keywords
- clamping
- sliding
- sliding block
- clamping assembly
- seat
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- 238000006073 displacement reaction Methods 0.000 claims description 9
- 230000013011 mating Effects 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 3
- 230000001788 irregular Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J15/00—Gripping heads and other end effectors
- B25J15/08—Gripping heads and other end effectors having finger members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J18/00—Arms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J5/00—Manipulators mounted on wheels or on carriages
- B25J5/02—Manipulators mounted on wheels or on carriages travelling along a guideway
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- Engineering & Computer Science (AREA)
- Robotics (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The embodiment of the application discloses a clamping device, relates to the technical field of mechanical tools, and solves the problem that the clamping device cannot clamp objects in different shapes in the related art. 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 first clamping assembly can move towards or away from the second clamping assembly, so that the first clamping assembly and the second clamping assembly can clamp or release a clamped object, and the sliding block group is away from the side surface of the clamping seat and is abutted against the clamped object. The clamping device is used for clamping objects.
Description
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 the workpiece and then to manipulate the workpiece. In the case where the operator is not convenient to hold the workpiece manually, the workpiece needs to be clamped by using the clamping device.
The clamping device of the related art comprises a clamping part, the shape of the clamping part is matched with the shape of a specific object to be clamped, and the clamping device clamps the object through the clamping part.
However, since the clamping portion has a fixed shape, it can only match with an object of a specific shape, and cannot match with an object of a different shape, it is impossible to clamp an object of a different shape.
Disclosure of Invention
The embodiment of the application provides a clamping device which can clamp objects with different shapes.
In a first aspect, an embodiment of the present application provides a clamping device, including a base, a first clamping component and a second clamping component, where the first clamping component is slidably connected with the base, the second clamping component includes a clamping seat and a slider group, and the slider group is slidably connected with the clamping seat through a curved surface, and when the first clamping component slides with the base, the slider group can move towards or away from the second clamping component, so that the first clamping component and the second clamping component clamp or release a clamped object, and a side surface of the slider group away from the clamping seat abuts against the clamped object.
According to the clamping device provided by the embodiment of the application, the base is used for providing support for the first clamping component and the second clamping component, the first clamping component is in sliding connection with the base, the second clamping component is arranged on the base, the first clamping component moves in the direction towards the second clamping component and can clamp an object, the second clamping component moves in the direction away from the second clamping component and can release the object, the second clamping component comprises the clamping seat and the sliding block set, the sliding block set is in sliding connection with the clamping seat through the curved surface, the side surface of the sliding block set away from the clamping seat abuts against the clamped object, and the sliding block set is in sliding connection with the clamping seat along the curved surface, so that the side surface of the sliding block set abutting against the clamped object can adapt to the shape of the clamped object, and objects with different shapes can be clamped. Compared with the prior art that the clamping part can only be matched with objects with specific shapes, the clamping device is connected with the clamping seat in a sliding way along the curved surface through the sliding block group, so that the side surface, far away from the clamping seat, of the sliding block group can be matched with objects with different shapes, the clamping of the objects with different shapes is realized, the clamping range is wide, and the clamping reliability is high.
In one possible implementation of the present application, the sliding block set is slidably connected to the holder through an arc surface recessed toward the inside of the holder. The sliding block group and the clamping seat can be connected in a sliding way through an arc surface protruding towards the outer part of the clamping seat.
In one possible implementation manner of the application, a first protruding strip arranged along the sliding direction of the sliding block set is arranged on the side surface of the clamping seat facing the sliding block set, a first sliding groove is arranged on the side surface of the sliding block set facing the clamping seat corresponding to the first protruding strip, and the first protruding strip can slidably extend into the first sliding groove so that the sliding block set is in sliding connection with the clamping seat. The first protruding strip may be disposed on a side of the slide block set facing the holder, and the first sliding groove may be disposed on a side of the holder facing the slide block set. The cross section of the first sliding groove can be rectangular, square, trapezoid, irregular shape and the like, when the cross section of the first sliding groove is trapezoid, the width of the upper opening of the first sliding groove is smaller than that of the lower bottom surface, and the shape of the first bulge is matched with the first sliding groove.
In one possible implementation of the present application, the slider group includes a slider and a clamping block, the clamping block is disposed on a side of the slider near the first clamping assembly, and the clamping block is slidably connected to the slider through an arc surface recessed toward the inside of the slider.
In one possible implementation manner of the application, a second protruding strip arranged along the sliding direction of the clamping block is arranged on the side surface of the sliding block facing the clamping block, a second sliding groove is arranged on the side surface of the clamping block facing the sliding block, corresponding to the second protruding strip, and the second protruding strip can slidably extend into the second sliding groove so that the clamping block is in sliding connection with the sliding block.
In one possible implementation of the present application, the plurality of clamping blocks is distributed along a side of the slider near the first clamping assembly. The number of the clamping blocks can be one or more, so that the more and the better the clamping points between the clamping device and the clamped object are, according to the actual production experiment requirement, 8 clamping blocks are distributed along one side of the sliding block, which is close to the first clamping component.
In one possible implementation of the present application, the plurality of sliders is distributed along a side of the clamping seat near the first clamping assembly. The sliding blocks can be one, a plurality of clamping blocks are connected with one 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 objects to be clamped in an irregular shape and improve the reliability of clamping.
In one possible implementation manner of the present application, a plurality of sliding blocks are provided, and the plurality of sliding blocks are disposed along the direction from the second clamping component to the first clamping component, and two adjacent sliding blocks are slidably connected through an arc surface recessed toward the inside of the clamping seat along the direction from the second clamping component to the first clamping component. The plurality of sliding blocks can be connected with the clamping seat in a sliding manner along one side, close to the first clamping assembly, of the clamping seat, and in order to improve the adaptability of the clamping device to the irregularly-shaped clamped objects, the plurality of sliding blocks are arranged into a multi-layer structure along 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 manner.
In one possible implementation manner of the present application, the sizes of the plurality of sliding blocks gradually decrease along the direction from the second clamping assembly to the first clamping assembly, one side, closest to the first clamping assembly, of the plurality of sliding blocks is connected with the clamping block, and the other side, facing the first clamping assembly, of each sliding block is slidably connected with the plurality of sliding blocks. The number of the sliding blocks on each layer between the clamping seat and the clamping blocks is gradually increased, and particularly, a plurality of sliding blocks are slidably connected to one side of each sliding block, facing the first clamping assembly, of each sliding block.
In one possible implementation manner of the application, along the direction from the second clamping component to the first clamping component, a third raised line is arranged on the side surface, facing the first clamping component, of each sliding block, a third sliding groove is arranged on the side surface, facing the clamping seat, of each sliding block, corresponding to the third raised line, and the third raised line of one sliding block stretches into the third sliding groove of the other sliding block, so that the two adjacent sliding blocks are in sliding connection.
In one possible implementation of the present application, the second clamping assembly is slidably connected to the base, the second clamping assembly is aligned with the first clamping assembly along the sliding direction of the base, and the first clamping assembly and the second clamping assembly both slide relative to the base through a displacement mechanism. Only one of the first clamping component and the second clamping component is in sliding connection with the base, so that the first clamping component moves towards or away from the second clamping component and can clamp or loosen a clamped object. In order to improve the efficiency of the clamping device, the second clamping component is in sliding connection with the base, and the second clamping component is in a straight line with the first clamping component along the sliding direction of the base.
In one possible implementation manner of the application, the displacement mechanism comprises a screw rod and a fixed seat, the fixed seat is fixedly connected with the base, the middle part of the screw rod is rotatably connected with the fixed seat, the fixed seat can limit the movement of the screw rod along the axial direction of the screw rod, two ends of the screw rod respectively pass through the first clamping component and the second clamping component, the screw rod is connected with the first clamping component through first threads, the screw rod is connected with the second clamping component through second threads, and the lines of the first threads and the second threads are opposite.
In one possible implementation of the application, one end of the screw is provided with an operating handle for being gripped by a mechanical arm to rotate the screw. One end of the screw rod can be connected with a driving mechanism. In order to be conveniently clamped by a mechanical arm in the hot chamber, an operating handle is arranged at one end of a screw rod.
In one possible implementation manner of the application, a fourth sliding groove is formed in the base along the sliding direction of the first clamping component, a first matching protrusion and a second matching protrusion are respectively arranged on one side of the first clamping component and one side of the second clamping component, which face the base, and the first matching protrusion and the second matching protrusion extend into the fourth sliding groove and can slide along the fourth sliding groove. The first clamping assembly and the second clamping assembly can also be in direct sliding connection with the base.
In one possible implementation manner of the present application, the cross section of the fourth chute is a trapezoid structure, and the width of the upper opening of the fourth chute is smaller than the width of the lower bottom surface, and the shapes of the first fitting protrusion and the second fitting protrusion are adapted to the fourth chute. 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 application;
fig. 2 is an enlarged view of a joint between a first clamping component and a second clamping component in a clamping device according to an embodiment of the present application;
fig. 3 is a schematic structural view of a clamping seat facing a side of a slide block set in a clamping device according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a side of a slide block set facing a clamping seat in a clamping device according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a slide block facing a clamping block in a clamping device according to an embodiment of the present application;
fig. 6 is a use state diagram of a clamping device according to an embodiment of the present application.
Reference numerals:
1-a base; 11-fourth sliding groove; 2-a first clamping assembly; 21-a first mating protrusion; 3-a second clamping assembly; 31-clamping seat; 311-first convex strips; 312-a first limit bar; 313-second mating projections; 32-a slider group; 321-a slider; 3211-second ridge; 3212-a second limit bar; 3213-a third runner; 322-clamping blocks; 3221-a second chute; 323-a first chute; 324-a first limiting hole; 4-a displacement mechanism; 41-screw rod; 411-first thread; 412-a second thread; 413—an operating handle; 42-fixing seat; 5-clamped object.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application more apparent, the 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 illustrative of the application and are not intended to limit the scope of the application.
In embodiments of the present application, the terms "first," "second," and the like 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 defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
Furthermore, in the embodiments of the present application, the terms "upper," "lower," "left," and "right," etc., are defined with respect to the orientation in which the components in the drawings are schematically disposed, and it should be understood that these directional terms are relative terms, which are used for descriptive and clarity with respect to each other, and which may vary accordingly with respect to the orientation in which the components in the drawings are disposed.
In embodiments of the present application, unless explicitly specified and limited otherwise, the term "connected" is to be construed broadly, and for example, "connected" may be either a fixed connection, a removable connection, or an integral unit; can be directly connected or indirectly connected through an intermediate medium.
In 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 one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
In embodiments of the application, words such as "exemplary" or "such as" are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "e.g." in an embodiment of the present application is not to be taken as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete fashion.
The embodiment of the application provides a clamping device which is often used for the situation that an object is inconvenient to hold manually and is further controlled, for example, in a hot chamber, the hot chamber is a shielding small chamber for high-radioactivity test and operation, and due to stronger radioactivity, personnel cannot enter the shielding small chamber for experimental production; when the weight or volume of the object is too large, the person is also inconvenient to hold and handle.
The clamping device of the related art has a clamping part with a fixed shape, and can only clamp objects with specific shapes, and when clamping objects with other shapes, because the shape of the clamping part cannot be matched with the clamped objects, the stress points are few, and the stress of each stress point is uneven, the clamped objects cannot be reliably clamped.
According to the clamping device disclosed by the embodiment of the application, a new design is performed on the structure, and referring to fig. 1, the sliding block 321 group 32 is in sliding connection with the clamping seat 31 through a curved surface, so that when the first clamping component 2 and the second clamping component 3 clamp the clamped object 5, the sliding block 321 group 32 adapts to the shape of the clamped object 5 by sliding along the curved surface, and therefore, the clamping device can clamp objects with different shapes and is stable in clamping.
Referring to fig. 1, an embodiment of the present application provides a clamping device, including a base 1, a first clamping component 2 and a second clamping component 3, where the first clamping component 2 is slidably connected with the base 1, the second clamping component 3 includes a clamping seat 31 and a sliding block 321 set 32, the sliding block 321 set 32 is slidably connected with the clamping seat 31 through a curved surface, and when the first clamping component 2 slides with the base 1, the sliding block 321 set 32 can move towards or away from the second clamping component 3, so that the first clamping component 2 and the second clamping component 3 clamp or release a clamped object 5, and a side surface of the sliding block 321 set 32 away from the clamping seat 31 abuts against the clamped object 5.
According to the clamping device provided by the embodiment of the application, the base 1 is used for providing support for the first clamping component 2 and the second clamping component 3, the first clamping component 2 is connected with the base 1 in a sliding way, the second clamping component 3 is arranged on the base 1, the first clamping component 2 moves in the direction towards the second clamping component 3 to clamp an object, the second clamping component 3 moves in the direction away from the second clamping component 3 to release the object, the second clamping component 3 comprises the clamping seat 31 and the sliding block 321 group 32, the sliding block 321 group 32 is connected with the clamping seat 31 in a sliding way through a curved surface, the side surface of the sliding block 321 group 32 away from the clamping seat 31 is abutted against the clamped object 5, and the sliding block 321 group 32 is connected with the clamping seat 31 in a sliding way along the curved surface, so that the side surface of the sliding block 321 group 32 abutted against the clamped object 5 can adapt to the shape of the clamped object 5, and objects with different shapes can be clamped. Compared with the prior art that the clamping part can only be matched with objects with specific shapes, the clamping device is connected with the clamping seat 31 in a sliding way along the curved surface through the sliding block 321 group 32, so that the side surface, far away from the clamping seat 31, of the sliding block 321 group 32 can be matched with objects with different shapes, the clamping of the objects with different shapes is realized, the clamping range is wide, and the clamping reliability is high.
Referring to fig. 1, the sliding block 321 set 32 is slidably connected with the holder 31 through a curved surface, and the curved surface may be an uneven curved surface along the holder 31, an arc surface recessed toward the inside of the holder 31, or an arc surface protruding toward the outside of the holder 31.
In order to enable the sliding block 321 set 32 to slide relatively to the holder 31 along a certain direction, referring to fig. 2 and 3, in the embodiment of the present application, a first protruding strip 311 is disposed on a side of the holder 31 facing the sliding block 321 set 32 along a sliding direction of the sliding block 321 set 32, a first sliding groove 323 is disposed on a side of the sliding block 321 set 32 facing the holder 31 corresponding to the first protruding strip 311, and the first protruding strip 311 slidably extends into the first sliding groove 323, so that the sliding block 321 set 32 is slidably connected with the holder 31.
For example, the first protruding strip 311 may be disposed on a side of the slide 321 set 32 facing the holder 31, and the first sliding groove 323 may be disposed on a side of the holder 31 facing the slide 321 set 32.
The cross section of the first chute 323 may be rectangular, square, trapezoid, irregular shape, etc., in order to improve the sliding stability of the slide block 321 set 32 and the clamping seat 31, and prevent the first protruding strip 311 from sliding out of the first chute 323, in the embodiment of the present application, the cross section of the first chute 323 is trapezoid, and the opening width of the first chute 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 slide relatively within a certain angle, referring to fig. 2 and 4, in the embodiment of the application, a first limiting hole 324 is provided on a side surface of the sliding block 321 group 32 facing the clamping seat 31 along the sliding direction of the sliding block 321 group 32, a first limiting bar 312 corresponding to the first limiting hole 324 is provided on a side surface of the clamping seat 31 facing the sliding block 321 group 32, a first limiting block is provided at an end of the first limiting bar 312, the first limiting block protrudes out of a radial outline of the first limiting bar 312, and the first limiting bar 312 extends into the first limiting hole 324 so as to enable the clamping seat 31 and the sliding block 321 group 32 to slide relatively within a certain angle.
In order to make the sliding block 321 set 32 better adapt to the shape of the clamped object 5, referring to fig. 2, in the embodiment of the present application, the sliding block 321 set 32 includes a sliding block 321 and a clamping block 322, the clamping block 322 is disposed on one side of the sliding block 321 close to the first clamping assembly 2, and the clamping block 322 is slidably connected with the sliding block 321 through an arc surface recessed toward the inside of the sliding block 321. Through with clamping block 322 along towards slider 321 inside sunken circular arc face and slider 321 sliding connection for slider 321 group 32 has bilayer structure, and every layer of structure all can slide relative holder 31, has enlarged the slip scope of slider 321 group 32.
In order to enable the clamping block 322 to slide relatively to the sliding block 321 along a certain direction, referring to fig. 2 and 5, a second protruding strip 3211 is provided on a side of the sliding block 321 facing the clamping block 322 in the sliding direction of the clamping block 322, a second sliding groove 3221 is provided on a 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 groove 3221, so that the clamping block 322 is slidably connected with the sliding block 321.
For example, the second protrusion 3211 may be provided on a side of the clamping block 322 facing the slider 321, and the second sliding groove 3221 may be provided on a side of the slider 321 facing the clamping block 322.
The cross section of the second sliding groove 3221 may be rectangular, square, trapezoid, irregular shape, etc., in order to improve the sliding stability of the sliding block 321 and the clamping block 322 and prevent the second protruding strip 3211 from sliding out of the second sliding groove 3221, in the embodiment of the present application, the cross section of the second sliding groove 3221 is trapezoid, 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 slide relatively within a certain angle, referring to fig. 2 and 5, in the embodiment of the present application, a second limiting hole is formed on a side of the sliding block 321 facing the clamping block 322, which is arranged along the sliding direction of the clamping block 322, a second limiting bar 3212 is arranged on a side of the clamping block 322 facing the sliding block 321, which corresponds to the second limiting hole, a second limiting block is arranged at an end of the second limiting bar 3212, the second limiting block protrudes out of the radial outline of the second limiting bar 3212, and the second limiting bar 3212 extends into the second limiting hole, so that the clamping block 322 and the sliding block 321 slide relatively within a certain angle.
The number of clamping blocks 322 may be one or more, so that in order to make the clamping device more stable to clamp the object 5 to be clamped, the clamping points between the clamping device and the object 5 to be clamped may be increased, in theory, the more the clamping points are, the more the number of clamping blocks 322 may be increased, and according to practical production experiment needs, in this embodiment, 8 clamping blocks 322 are distributed along the side of the sliding block 321 near the first clamping assembly 2.
The number of the slide blocks 321 may be one or more, and when the number of the slide blocks 321 is one, the plurality of clamping blocks 322 are slidably connected with one slide block 321, so that the sliding range of the clamping blocks 322 relative to the clamping seat 31 is smaller, and the adaptability of the clamping device to the irregularly-shaped clamped object 5 is affected. In order to improve the adaptability of the clamping device to the irregularly shaped clamped object 5, a plurality of sliding blocks 321 are arranged in the embodiment of the application, 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 of the clamping seat 31 near the first clamping component 2 at intervals, in order to make the clamping blocks 322 better adapt to the to-be-clamped object 5 with an irregular shape, referring to fig. 1 and fig. 2, in the embodiment of the present application, the plurality of sliding blocks 321 are disposed along the direction from the second clamping component 3 to the first clamping component 2, are disposed in a multi-layer structure, and in the direction from the second clamping component 3 to the first clamping component 2, two adjacent sliding blocks 321 are slidingly connected through an arc surface recessed toward the inside of the clamping seat 31.
Illustratively, the plurality of sliders 321 are 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 clamped object 5, referring to fig. 1 and 2, in the embodiment of the application, the size of the plurality of sliding blocks 321 gradually decreases along the direction from the second clamping component 3 to the first clamping component 2, among the plurality of sliding blocks 321, the sliding block 321 closest to the first clamping component 2 is connected with the clamping block 322 towards one side of the first clamping component 2, and the other sliding blocks 321 are all slidably connected with the plurality of sliding blocks 321 towards one side of the first clamping component 2.
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 clamping blocks 322 are semi-cylindrical.
In order to enable the sliding blocks 321 and the sliding blocks 321 to slide relatively along a certain direction, referring to fig. 2, in the direction from the second clamping assembly 3 to the first clamping assembly 2 in the embodiment of the present application, a third protruding strip is disposed on a side of each sliding block 321 facing the first clamping assembly 2, a third sliding groove 3213 is disposed on a side of each sliding block facing the clamping seat 31 corresponding to the third protruding strip, and the third protruding strip of one sliding block 321 extends into the third sliding groove 3213 of the other sliding block 321, so that the two adjacent sliding blocks 321 are slidably connected.
For example, the third protrusion may be provided on the side of the slider 321 facing the holder 31, and the third slide slot 3213 may be provided on the side facing the first clamping assembly 2.
The cross section of the third sliding groove 3213 may be rectangular, square, trapezoid, irregular shape, etc., in order to improve the sliding stability of the sliding block 321 and the clamping block 322 and prevent the third protruding strip from sliding out of the third sliding groove 3213, in the embodiment of the present application, the cross section of the third sliding groove 3213 is trapezoid, and the width of the opening 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 along the direction from the second clamping component 3 to the first clamping component 2, in the embodiment of the application, a third limiting hole is formed in the side surface, facing the first clamping component 2, of each sliding block 321, a third limiting bar is arranged on the side surface, facing the clamping seat 31, of the corresponding third limiting hole, a third limiting block is arranged at the end part of the third limiting bar, the third limiting block protrudes out of the radial outline of the third limiting bar, and the third limiting bar of one sliding block 321 stretches into the third limiting hole of the other sliding block 321 in adjacent two sliding blocks 321 to enable the adjacent two sliding blocks 321 to relatively slide within a certain angle.
Illustratively, in the direction from the second clamping assembly 3 to the first clamping assembly 2, the sliding block 321 close to the clamping seat 31 protrudes from the outer edge of the clamping seat 31, the clamping block 322 protrudes from the outer edge of the sliding block 321 slidingly connected with the clamping seat, and the rest of sliding blocks 321 between the clamping seat 31 and the clamping block 322 protrude from the outer edge of the sliding block 321 close to the clamping seat 31, of the two adjacent sliding blocks 321, the sliding block 321 far from the clamping seat 31.
In order to better adapt to the shape of the object 5 to be clamped, in the embodiment of the present application, the first clamping assembly 2 has the same structure as the second clamping assembly 3, and referring to fig. 6, the first clamping assembly 2 and the second clamping assembly 3 with the same structure are used to clamp the object 5 to be clamped in the embodiment of the present application.
One of the first clamping component 2 and the second clamping component 3 is only in sliding connection with the base 1, so that the first clamping component 2 and the second clamping component 3 move along the direction of approaching or separating from each other, and can clamp or loosen the clamped object 5. In order to improve the efficiency of the clamping device, referring to fig. 1, in the embodiment of the present application, the second clamping component 3 is also slidably connected to the base 1, the direction in which the second clamping component 3 slides along the base 1 is aligned with the direction in which the first clamping component 2 slides along the base 1, and both the first clamping component 2 and the second clamping component 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, so that the first clamping assembly 2 and the second clamping assembly 3 move along a direction approaching or separating from each other by applying force to the first push rod and the second push rod simultaneously.
In order to enable the first clamping component 2 and the second clamping component 3 to move steadily along the directions approaching or separating from each other, referring to fig. 1, the displacement mechanism 4 in the embodiment of the application comprises a screw 41 and a fixed seat 42, the fixed seat 42 is fixedly connected with the base 1, the middle part of the screw 41 is rotatably connected with the fixed seat 42, the fixed seat 42 can limit the movement of the screw 41 along the axial direction of the fixed seat, two ends of the screw 41 respectively pass through the first clamping component 2 and the second clamping component 3, the screw 41 is connected with the first clamping component 2 through a first thread 411, the screw 41 is connected with the second clamping component 3 through a second thread 412, and the first thread 411 and the second thread 412 have opposite lines. The screw 41 can drive the first clamping component 2 and the second clamping component 3 to move in opposite directions through the first threads 411 and the second threads 412 with opposite lines, so that the operation is convenient.
Illustratively, the mount 42 may be rotatably coupled to one end of the lead screw 41.
By way of example, the displacement mechanism 4 may comprise a first screw 41 and a second screw 41, the first screw 41 being in threaded connection with the first clamping assembly 2, being in rotatable connection with the first fixed seat 42, and the second screw 41 being in threaded connection with the second clamping assembly 3, being in rotatable connection with the second fixed seat 42.
One end of the lead screw 41 may be connected to a drive mechanism or handle 413. In order to enable the device to be used in a hot chamber, referring to fig. 1, in an embodiment of the present application, an operation handle 413 is provided at one end of the screw 41, and the operation handle 413 is used to be clamped by a mechanical arm to rotate the screw 41.
Illustratively, the operating handle 413 is rod-shaped, and the extending direction of the operating handle 413 forms an included angle with the extending direction of the screw 41, so as to facilitate the rotation of the mechanical arm.
Illustratively, the lever 413 has a profile that facilitates gripping by a robotic arm.
In order to enable the first clamping component 2 and the second clamping component 3 to be in sliding connection with the base 1 along a certain direction, referring to fig. 1, in the embodiment of the application, a fourth sliding groove 11 is formed on the base 1 along the sliding direction of the first clamping component 2, a first matching protrusion 21 and a second matching protrusion 313 are respectively formed on one side of the first clamping component 2 and the second clamping component 3, which faces the base 1, and the first matching protrusion 21 and the second matching protrusion 313 extend into the fourth sliding groove 11 and can slide along the fourth sliding groove 11.
The cross section of the fourth chute 11 may be rectangular, square, trapezoid, irregular shape, etc., 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 engaging protrusion 21 and the second engaging protrusion 313 from sliding off the fourth chute 11, referring to fig. 1, in the embodiment of the present application, the cross section of the fourth chute 11 is in a trapezoid structure, and the width of the upper opening of the fourth chute 11 is smaller than the width of the lower bottom surface, and the shapes of the first engaging protrusion 21 and the second engaging protrusion 313 are matched with the fourth chute 11.
The foregoing embodiment numbers of the present application are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments. The foregoing description is only of the preferred embodiments of the present application, and is not intended to limit the scope of the application, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.
Claims (12)
1. A clamping device, comprising:
a base;
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, and the sliding block group is connected with the clamping seat in a sliding way through a curved surface;
when the first clamping assembly and the base slide, the first clamping assembly and the base 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, away from the clamping seat, of the sliding block set is abutted against the clamped object;
the sliding block group is connected with the clamping seat in a sliding way through an arc surface recessed towards the inside of the clamping seat; the sliding block group 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 in sliding connection with the sliding block through an arc surface which is recessed towards the inside of the sliding block;
the side of the sliding block facing the clamping block is provided with a second raised line arranged along the sliding direction of the clamping block, the side of the clamping block facing the sliding block is provided with a second sliding groove corresponding to the second raised line, and the second raised line can slidably extend into the second sliding groove so that the clamping block is in sliding connection with the sliding block.
2. The clamping device according to claim 1, wherein a first protruding strip arranged along the sliding direction of the sliding block set is arranged on a side surface of the clamping seat facing the sliding block set, a first sliding groove is arranged on a side surface of the sliding block set facing the clamping seat corresponding to the first protruding strip, and the first protruding strip can slidably extend into the first sliding groove so that the sliding block set is in sliding connection with the clamping seat.
3. The clamping device of claim 1, wherein the clamping blocks are a plurality of, the plurality of clamping blocks being distributed along a side of the slider adjacent the first clamping assembly.
4. The clamping device of claim 1, wherein the plurality of sliders is distributed along a side of the clamping seat adjacent to the first clamping assembly.
5. The clamping device according to claim 1, wherein a plurality of the sliding blocks are arranged along the direction from the second clamping assembly to the first clamping assembly, and two adjacent sliding blocks are connected in a sliding manner through an arc surface recessed towards the inside of the clamping seat along the direction from the second clamping assembly to the first clamping assembly.
6. The clamping device of claim 5, wherein a plurality of said sliders decrease in size in a direction from said second clamping assembly to said first clamping assembly, a side of said slider closest to said first clamping assembly being connected to said clamping block, and a side of each of the remaining sliders facing said first clamping assembly being slidably connected to a plurality of said sliders.
7. The clamping device as claimed in claim 6, wherein a third protrusion is provided on a side of each of the sliders facing the first clamping assembly in a direction from the second clamping assembly to the first clamping assembly, a third sliding groove is provided on a side of each of the sliders facing the clamping seat corresponding to the third protrusion, and the third protrusion of one of the two adjacent sliders extends into the third sliding groove of the other slider to slidably connect the two adjacent sliders.
8. The clamping device according to any one of claims 1-7, wherein a second clamping assembly is slidably connected to the base, the second clamping assembly is aligned with the first clamping assembly along the sliding direction of the base, and the first clamping assembly and the second clamping assembly both slide relative to the base through a displacement mechanism.
9. The clamping device of claim 8, wherein the displacement mechanism comprises a screw and a fixing seat, the fixing seat is fixedly connected with the base, the middle part of the screw is rotatably connected with the fixing seat, the fixing seat can limit the screw to move along the axial direction of the screw, two ends of the screw respectively penetrate through the first clamping component and the second clamping component, the screw is connected with the first clamping component through a first thread, the screw is connected with the second clamping component through a second thread, and the first thread and the second thread are opposite in texture.
10. A clamping device according to claim 9, wherein an operating handle is provided at one end of the screw, the operating handle being adapted to be clamped by a robot arm for rotating the screw.
11. The clamping device of claim 8, wherein a fourth sliding groove is formed in the base along the sliding direction of the first clamping component, a first matching protrusion and a second matching protrusion are respectively formed on one side of the first clamping component and one side of the second clamping component, which face the base, and the first matching protrusion and the second matching protrusion both extend into the fourth sliding groove and can slide along the fourth sliding groove.
12. The clamping device of claim 11, wherein the cross section of the fourth runner is a trapezoid structure, the width of the upper opening of the fourth runner is smaller than the width of the lower bottom surface, and the shapes of the first mating protrusion and the second mating protrusion are matched with the fourth runner.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111388445.8A CN114083564B (en) | 2021-11-22 | 2021-11-22 | Clamping device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111388445.8A CN114083564B (en) | 2021-11-22 | 2021-11-22 | Clamping device |
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| CN114083564A CN114083564A (en) | 2022-02-25 |
| CN114083564B true CN114083564B (en) | 2023-12-12 |
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| CN212528508U (en) * | 2020-06-15 | 2021-02-12 | 日清五金塑胶(深圳)有限公司 | Clamping tool for injection mold |
| CN213105651U (en) * | 2020-08-30 | 2021-05-04 | 昆山昶日鑫电子科技有限公司 | Work piece clamping device for radial arm drilling machine |
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|---|---|---|---|---|
| CN1105309A (en) * | 1994-01-13 | 1995-07-19 | 杨泰和 | Double-face tongs with combined bearing face |
| WO2016045561A1 (en) * | 2014-09-23 | 2016-03-31 | 南车青岛四方机车车辆股份有限公司 | Welding clamping device |
| CN206720305U (en) * | 2017-05-18 | 2017-12-08 | 浙江人驰汽车配件有限公司 | A kind of more wedge wheel clamping devices |
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| Publication number | Publication date |
|---|---|
| CN114083564A (en) | 2022-02-25 |
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