CN114425747B

CN114425747B - Clamping device

Info

Publication number: CN114425747B
Application number: CN202011183296.7A
Authority: CN
Inventors: 杨浩; 薛中春; 徐华敏; 王阳; 任雅钦; 冯小壮
Original assignee: Fuzhun Precision Tooling Jiashan Co Ltd
Current assignee: Fuzhun Precision Tooling Jiashan Co Ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2024-08-16
Anticipated expiration: 2040-10-29
Also published as: CN114425747A

Abstract

A clamping device, comprising: a cover plate having opposite first and second surfaces; the clamping module is arranged on the first surface and comprises a fixed block fixedly arranged on the first surface, a movable block movably connected with the fixed block and a clamping assembly, wherein the movable block is provided with a containing groove for containing the clamping assembly, and the clamping assembly is used for clamping a product on the movable block; a pressing plate which is held on the second surface in an unlocking manner; the thimble is convexly arranged on the pressing plate, the cover plate is provided with a through hole, and the thimble part is accommodated in the through hole; when the pressing plate is clamped and fixed on the second surface, the thimble passes through the through hole to prop against and push the clamping assembly to move, so that a space for placing a product is formed between the clamping assembly and the movable block; when the pressing plate is separated from the clamping with the second surface, the thimble retracts to be separated from the clamping assembly, and the clamping assembly clamps the product. The clamping device can clamp and loosen a plurality of component products simultaneously, so that the assembly efficiency of the products is effectively improved.

Description

Clamping device

Technical Field

The present invention relates to a clamping device.

Background

In the existing part assembly process, the part is usually placed at a specific position of a product to be assembled after dispensing on the surface of the part, and then the part is tightly adhered to the product to be assembled by means of pressure lamination. However, for products requiring bonding of multiple components, for example, four components are bonded to the product to be assembled, the assembly efficiency is very low if the bonding is performed one by one after one.

Disclosure of Invention

In view of the above, the present invention provides a clamping device capable of simultaneously clamping and releasing a plurality of component products, thereby improving assembly efficiency.

A clamping device, comprising:

A cover plate having opposite first and second surfaces;

The clamping modules are arranged on the first surface, each clamping module comprises a fixed block fixedly arranged on the first surface, a movable block movably connected with the fixed block and a clamping assembly, the movable block is provided with a containing groove for containing the clamping assembly, and the clamping assembly is used for clamping or loosening a product on the movable block;

A pressing plate which is held on the second surface in an unlocking manner; and

The plurality of ejector pins are fixed on the pressing plate and are convexly arranged on the pressing plate, a through hole is formed in the cover plate corresponding to each ejector pin, each ejector pin is partially accommodated in the corresponding through hole, and the position of each through hole is aligned with one clamping assembly;

When the pressing plate is clamped and fixed on the second surface, the ejector pin passes through the through hole to prop against and push the clamping assembly to move, so that a space for placing a product is formed between the clamping assembly and the movable block; when the pressing plate is separated from the clamping with the second surface, the thimble retracts to be separated from the clamping assembly, and the clamping assembly clamps the product between the clamping assembly and the movable block.

The clamping device can easily realize simultaneous clamping or loosening of a plurality of component products through the mutual matching of the clamping module and the ejector pin on the pressing plate, and can be used for dispensing the component products and then simultaneously transferring and bonding the component products to be assembled during clamping, so that the assembly efficiency of the products is effectively improved.

Drawings

Fig. 1 is a schematic view of an assembly device according to an embodiment of the present invention.

Fig. 2 is an exploded view of a clamping device according to an embodiment of the present invention.

Fig. 3 is an exploded view of a clamping module of a clamping device according to an embodiment of the present invention.

Fig. 4 is an exploded view of another angle of the clamping module of the clamping device according to the embodiment of the present invention.

Fig. 5 is a partial cross-sectional view of a released state of a clamping device according to an embodiment of the present invention.

Fig. 6 is another partial cross-sectional view of the released state of the clamping device of the embodiment of the present invention.

Fig. 7 is a partial cross-sectional view of a gripping state of the gripping device of the embodiment of the present invention.

Fig. 8 is another partial cross-sectional view of the gripping device of the present embodiment in a gripping state.

Fig. 9 is a sectional view of a button of a pressing plate of a holding device of an embodiment of the present invention.

Description of the main reference signs

Assembly device 500

Clamping device 100

Support device 600

Component product 200

Cover plate 10

Clamping module 30

Pressing plate 50

Thimble 70

First surface 101

Second surface 103

Fixed block 31

Movable block 33

Clamping assembly 20

Accommodating groove 330

Through-hole 105

Fitting groove 107

Through hole 310

Spacing post 32

Elastic member 34

Limiting hole 332

Side portion 210

Bottom 230

Adhesive surface 2311

Wedge 21

Guide block 23

Clamping block 25

Elastic member 27

Connection portion 211

Body portion 213

Bevel 212

Wedge groove 251

Accommodation hole 331

Bottom wall 334

Limiting block 233

Self-locking block 51

Card slot 102

Spherical plunger 104

Key hole 106

Key 40

Key part 41

Extension 43

First hole portion 1061

Second hole portion 1062

Guide shaft 53

Linear bearing 55

The present invention will be further described with reference to the above-described drawings.

Detailed Description

The embodiments of the present invention are illustrated in the drawings, and the present invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In the drawings, the size of layers and regions is exaggerated for clarity.

Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an overly formal sense unless expressly so defined herein.

As shown in fig. 1, an assembly device 500 according to an embodiment of the present invention includes a clamping device 100 and a supporting device 600. In this embodiment, the clamping device 100 is used for clamping and releasing the component product 200 to be dispensed, and the supporting device 600 is used for loading the product to be assembled (not shown). When dispensing of the component product 200 on the holding device 100 is completed, the holding device 100 is placed on the supporting device 600 loaded with the product to be assembled, and the component product 200 after dispensing is transferred and bonded to the product to be assembled, thereby realizing bonding and assembly of the product.

Referring to fig. 2, a clamping device 100 according to an embodiment of the invention includes a cover plate 10, a plurality of clamping modules 30 and a pressing plate 50 disposed on the cover plate 10, and a plurality of ejector pins 70 fixedly protruding on the pressing plate 50.

As shown in fig. 2, the cover plate 10 has opposing first and second surfaces 101 and 103. The plurality of clamping modules 30 are disposed on the first surface 101, and the pressing plate 50 is detachably/releasably clamped on the second surface 103.

As shown in fig. 3, each clamping module 30 includes a fixed block 31 fixedly disposed on the first surface 101, a movable block 33 movably coupled to the fixed block 31, and a clamping assembly 20. The movable block 33 is provided with a receiving groove 330 for receiving the clamping assemblies 20 and the component products 200, and each clamping assembly 20 is used for clamping the component products 200 on the movable block 33 or loosening the products. As shown in fig. 5, the cover plate 10 has a through hole 105 corresponding to each thimble 70, and each through hole 105 is aligned with one clamping assembly 20, and each thimble 70 is partially received in the through hole 105.

As shown in fig. 5, when the pressing plate 50 is clamped and fixed on the second surface 103, the ejector pin 70 pushes the clamping assembly 20 to move through the through hole 105, so that a space/gap for placing a product is formed between the clamping assembly 20 and the movable block 33; as shown in fig. 7, when the pressing plate 50 is disengaged from the second surface 103, the ejector pin 70 is retracted away from the clamping assembly 20, and the clamping assembly 20 clamps the product between the clamping assembly 20 and the movable block 33.

As shown in fig. 2, in the present embodiment, the clamping device 100 includes four clamping modules 30, so that clamping and releasing of four component products 200 can be simultaneously achieved. The first surface 101 of the cover plate 10 is provided with an assembly groove 107 corresponding to each clamping module 30. The four fitting grooves 107 are spaced apart from each other, and each fitting groove 107 is configured to partially receive a corresponding clamping module 30. It will be appreciated that the number of gripping modules 30 may be adjusted and designed as desired.

Each of the clamping modules 30 clamps the component product 200 in the same principle and in substantially the same structure, and one of the clamping modules 30 will be described as an example. As shown in fig. 3 and 4, the fixing block 31 of the clamping module 30 is a substantially rectangular frame, which can be locked in the assembly groove 107 of the cover plate 10 by a fastener (not shown) such as a screw. A through hole 310 is formed in the middle of the fixed block 31, and a portion of the movable block 33 extends into the through hole 310.

The movable block 33 and the fixed block 31 are movably connected with the fixed block 31 by a plurality of limit posts 32, wherein the movable block 33 is movably connected with the fixed block 31. In this embodiment, the number of the limiting posts 32 is four. Each limiting column 32 penetrates through the fixed block 31 and the movable block 33, an elastic component 34 is sleeved on each limiting column 32, and the elastic component 34 is located between the fixed block 31 and the movable block 33. The movable block 33 can move up and down along the limit post 32 but cannot be separated from the limit post 32. In this embodiment, a limiting hole 332 is formed on the movable block 33 corresponding to each limiting post 32, and the limiting post 32 is at least partially accommodated in the limiting hole 332. The movable block 33 can move away from the cover plate 10 under the elastic force of the elastic component 34, so as to drive the component product 200 to be pressed. In this embodiment, the elastic member 34 is a spring. The movable block 33 is matched with the fixed block 31 in structure, so that the movable block 33 cannot move horizontally parallel to the first surface 101 when being mounted on the fixed block 31, and can only move up and down along the limit post 32 relative to the fixed block 31.

The clip module 30 of fig. 3 and 4 corresponds to the component product 200 comprising two sides 210 connected in an L-shape and a bottom 230 connecting the same side of the two sides 210. In the embodiment of the present application, each side 210 is rectangular, and the bottom 230 is triangular. One surface of the bottom 230 is a glue surface 2311. When the component product 200 is placed in the holding module 30, the glue spreading surface 2311 of the bottom 230 is exposed with respect to the movable block 33; the clamping assembly 20 is used to clamp the side portion 210. In the embodiment of the present application, a clamping assembly 20 is provided corresponding to each side portion 210. That is, the clamping module 30 includes two clamping assemblies 20 for clamping and unclamping one side 210 of the component product 200, respectively. It will be appreciated that the placement and number of clamping assemblies 20 can be adjusted and designed based on the structural characteristics of the component product 200.

As shown in fig. 3 and 4, each clamping assembly 20 includes a wedge 21, a guide block 23, a clamping block 25, and an elastic member 27 disposed in the receiving groove 330. The guide block 23 is fixed to the movable block 33. The inclined wedge 21 is movably arranged in the accommodating groove 330, the clamping block 25 is tightly connected and matched with the inclined wedge 21, and the clamping block 25 is slidably arranged on the guide block 23; when the wedge 21 moves up and down in the receiving groove 330, the wedge 21 pushes the clamping block 25 to slide on the guide block 23. The elastic member 27 is disposed between the movable block 33 and the wedge 21. Each wedge 21 is correspondingly provided with a thimble 70 matched with the wedge. The through hole 105 and the thimble 70 are opposite to the inclined wedge 21, and the thimble 70 can pass through the through hole 105 to prop against and push the inclined wedge 21 to move away from the cover plate 10, so as to drive the clamping block 25 to slide on the guide block 23, thereby forming a space/gap for placing the component product 200 between the clamping block 25 and the movable block 33; the elastic member 27 is compressed between the wedge 21 and the movable block 33, and the surface of the wedge 21 away from the cover plate 10 is flush with the surface of the clamping block 25 away from the cover plate 10. The elastic member 27 is provided to provide a repulsive force for urging the inclined wedge 21 to move in a direction approaching the cover plate 10. When the ejector pin 70 is separated from the wedge block 21, the elastic force of the compressed elastic element 27 pushes the wedge block 21 to move, so as to push the clamping block 25 to move and clamp the component product 200, and at this time, the surface of the wedge block 21 away from the cover plate 10 is no longer flush with the surface of the clamping block 25 away from the cover plate 10.

In this embodiment, the guide block 23 is in a flat plate shape. As shown in fig. 5, the guide block 23 is fixed on the surface of the movable block 33 facing the cover plate 10, and the guide block 23 is located between the cover plate 10 and the movable block 33; the surface of the guide block 23 facing away from the cover plate 10 is a plane, the plane is partially exposed relative to the movable block 33, and the clamping block 25 slides in the partially exposed area of the plane. As shown in fig. 3, the surface of the guide block 23 where the clamping blocks 25 are disposed is further provided with a pair of stoppers 233 corresponding to each clamping block 25, and the pair of stoppers 233 are located at opposite sides of the clamping block 25 to define a moving path of the clamping block 25 on the guide block 23.

As shown in fig. 3 and 4, the wedge 21 includes a connecting portion 211 and a main body portion 213 fixedly connected to one side of the connecting portion 211, and the height of the connecting portion 211 is smaller than the height of the main body portion 213; the main body 213 is located between the connection portion 211 and the clamping block 25 and cooperates with the clamping block 25. The surface of the main body 213 facing away from the connecting portion 211 is formed into an inclined surface 212, the clamping block 25 is provided with a wedge groove 251 facing toward the main body 213, the groove bottom wall of the wedge groove 251 is an inclined surface to be matched with the inclined surface 212 of the main body 213, and the main body 213 slidably slides along the wedge groove 251 to drive the clamping block 25 to slide on the guide block 23. The elastic member 27 is disposed between the side of the connecting portion 211 away from the cover plate 10 and the movable block 33, and the movable block 33 is provided with a receiving hole 331 for receiving the elastic member 27. The elastic member 27 is at least partially accommodated in the accommodating hole 331. The elastic member 27 and the ejector pin 70 are located at opposite sides of the connection portion 211.

In this embodiment, the receiving groove 330 of the movable block 33 is used to receive the component product 200 and the guide block 23, the wedge 21 and the clamping block 25 of the two clamping assemblies 20. The shape and size of the receiving groove 330 of the movable block 33 are matched with the clamping assembly 20, so that the wedge 21 and the clamping block 25 are limited in the receiving groove 330 and cannot be separated from the movable block 33. As shown in fig. 4, the receiving groove 330 has a bottom wall 334, and the guide block 23 is fixedly disposed on the bottom wall 334, and may be fixed on the bottom wall 334 of the movable block 33, for example, by a screw locking manner. The area of the receiving groove 330 where the wedge 21 and the clamping block 25 are disposed is through the movable block 33, as shown in fig. 3, specifically through two opposite surfaces (a surface facing the cover plate 10 and a surface facing away from the cover plate 10) of the movable block 33.

As shown in fig. 2, the surface of the pressing plate 50 facing the cover plate 10 is convexly provided with a self-locking block 51, and the end of the self-locking block 51 has a structure feature of gradually tapering from the middle to the two ends. Referring to fig. 6 and 8 in combination, the cover 10 is provided with a clamping groove 102 matched with the self-locking block 51, opposite side walls of the clamping groove 102 are provided with protruding spherical plungers 104, the self-locking block 51 stretches into the clamping groove 102 and passes over the two spherical plungers 104, so that the self-locking block 51 is clamped in the clamping groove 102 by the two spherical plungers 104 pressing the self-locking block 51, and the pressing plate 50 is fixed on the second surface 103 of the cover 10. In the embodiment of the present application, two opposite sides of the pressing plate 50 are respectively provided with one self-locking block 51, and two self-locking blocks 51 are oppositely arranged, and two corresponding clamping grooves 102 on the cover plate 10 are also provided.

As shown in fig. 2, a key hole 106 penetrating the cover 10 is formed in the cover 10, a key 40 is disposed in the key hole 106, and the key 40 is used for unlocking the locking and fixing between the pressing plate 50 and the cover 10.

Referring to fig. 9, an end of the key 40 away from the first surface 101 is fixedly connected to the pressing plate 50, and the key 40 is used for being pressed to push the pressing plate 50 to move away from the clamping with the cover plate 10. As shown in fig. 9, the key 40 includes a key portion 41 and an extension portion 43 connected to one side of the key portion 41, the key portion 41 is thicker than the extension portion 43, and the shape corresponding to the key hole 106 is matched with the key portion 41. The key part 41 includes a first hole part 1061 with a larger opening and a second hole part 1062 with a smaller opening communicating with the first hole part 1061, and the first hole part 1061 is used for accommodating the key part 41. The second hole 1062 has an opening smaller than the key part 41, preventing the key 40 from sliding out of the cover plate 10 from the side of the second hole 1062, and the extension 43 passes through the second hole 1062 and connects with the pressing plate 50. When the pressing plate 50 is clamped and fixed on the second surface 103 of the cover plate 10, the key 40 is protruded relative to the first surface 101, that is, the key portion 41 is protruded relative to the first surface 101 and suspended in the first hole portion 1061; when the key part 41 is pressed to be abutted against the wall of the first hole part 1061, the key part 41 pushes the pressing plate 50 to move away from the cover plate 10, so that the self-locking block 51 moves out of the clamping groove 102; that is, the pressing plate 50 is disengaged from the cover plate 10. In this embodiment, the key 40 and the pressing plate 50 may be fixedly connected by a screw penetrating the pressing plate 50 and being locked to the extension 43.

As shown in fig. 1, the pressing plate 50 and the cover plate 10 are further provided with a guiding structure, the guiding structure includes a guiding shaft 53 penetrating through the pressing plate 50 and the cover plate 10, and a linear bearing 55 sleeved on the guiding shaft 53, and the linear bearing 55 is located at a side of the pressing plate 50 away from the cover plate 10. The pressing plate 50 may move up and down along the guide shaft 53 with respect to the cover plate 10, thereby restricting the moving direction of the pressing plate 50.

When the clamping device 100 is used for assembling a product, the pressing plate 50 is pressed towards the cover plate 10, so that the pressing plate 50 moves along the guide shaft 53 to drive the ejector pin 70 to move, the self-locking block 51 is clamped in the clamping groove 102 of the cover plate 10, the ejector pin 70 props against and pushes the inclined wedge 21 to move towards a direction away from the cover plate 10, the inclined wedge 21 drives the clamping block 25 to slide on the guide block 23, and a space/gap is formed between the clamping block 25 and the movable block 33; the component product 200 to be glued is then placed in the space/gap formed between the movable block 33 and the clamping block 25; then, the key 40 is pressed, so that the pressing plate 50 moves in a direction away from the cover plate 10, the self-locking block 51 is separated from the clamping groove 102 of the cover plate 10, the ejector pin 70 is driven to retract into the through hole 105 and not to abut against the inclined wedge 21, the elastic force of the elastic piece 27 is released to push the inclined wedge 21 to move in the direction of the cover plate 10, the inclined wedge 21 drives the clamping block 25 to slide on the guide block 23, and the clamping block 25 clamps the component product 200 between the movable block 33 and the clamping block 25; at this time, the component product 200 is fixed in the clamping module 30, and can be subjected to dispensing treatment; after dispensing, placing the clamping device 100 on the product to be assembled on the supporting device 600, and facing the glue coating surface of the component product 200 to the product to be assembled on the supporting device 600, wherein the first surface 101 of the cover plate 10 of the clamping device 100 faces the supporting device 600, and the second surface 103 of the cover plate 10 of the pressing plate 50 faces upwards; then bonding the products, and baking to solidify the glue; finally, the pressing plate 50 is pressed toward the cover plate 10, so that the pressing plate 50 and the ejector pin 70 move, the self-locking block 51 is clamped in the clamping groove 102 of the cover plate 10, the ejector pin 70 pushes the inclined wedge 21 to move away from the cover plate 10, the inclined wedge 21 drives the clamping block 25 to slide on the guide block 23, a space/gap is formed between the clamping block 25 and the movable block 33, at the moment, the clamping device 100 is removed from the supporting device 600, and the component product 200 is adhered and fixed on the product of the supporting device 600.

The clamping device 100 of the embodiment of the invention can realize that a plurality of component products 200 can be simultaneously clamped and glued and then can be simultaneously transferred and bonded to the products to be assembled, thereby effectively improving the assembly efficiency of the products.

The above embodiments are only for illustrating the technical solution of the present invention, but not for limiting, and the up, down, left and right directions shown in the drawings are only for convenience of understanding, although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications and equivalent substitutions can be made thereto without departing from the spirit and scope of the technical solution of the present invention.

Claims

1. A clamping device, comprising:

A cover plate having opposite first and second surfaces;

The plurality of ejector pins are fixed on the pressing plate and are convexly arranged on the pressing plate, a through hole is formed in the cover plate corresponding to each ejector pin, and each ejector pin part is accommodated in the corresponding through hole; the location of each through hole is aligned with one of the clamping assemblies,

When the pressing plate is clamped and fixed on the second surface, the thimble passes through the through hole to prop against and push the clamping assembly to move, so that a space for placing a product is formed between the clamping assembly and the movable block; when the pressing plate is separated from clamping with the second surface, the thimble retracts to be separated from the clamping assembly, and the clamping assembly clamps a product between the clamping assembly and the movable block;

Each clamping assembly comprises an inclined wedge block movably arranged in the accommodating groove, a guide block fixed on the movable block, a clamping block which is matched with the inclined wedge block and is slidably arranged on the guide block, and an elastic piece arranged between the movable block and the inclined wedge block; the ejector pin penetrates through the through hole to prop against and push the inclined wedge block to move in a direction away from the cover plate, so that the clamping block is driven to slide on the guide block, a space for placing products is formed between the clamping block and the movable block, and the elastic piece is compressed; the elastic piece is used for providing a rebound force for promoting the inclined wedge block to move towards the direction approaching to the cover plate, so that the inclined wedge block pushes the clamping block to move so as to clamp a product.

2. The clamping device of claim 1, wherein the guide block is located between the cover plate and the movable block, the clamping block is disposed on a surface of the guide block facing away from the cover plate, and a surface of the guide block facing away from the cover plate is a plane.

3. The clamping device as claimed in claim 2, wherein the surface of the guide block on which the clamping block is provided is further provided with a pair of stoppers; the pair of limiting blocks are positioned on two opposite sides of the clamping block and used for limiting the moving path of the clamping block on the guide block.

4. The clamping device as claimed in claim 2, wherein the wedge comprises a connecting portion and a main body portion fixedly connected to one side of the connecting portion, the main body portion is located between the connecting portion and the clamping block and is in connection and fit with the clamping block, a surface of the main body portion, which faces away from the connecting portion, is formed into an inclined surface, the clamping block faces towards the main body portion, a wedge groove is formed in the surface of the wedge groove, the groove wall of the wedge groove is an inclined surface to be matched with the inclined surface of the main body portion, and the main body portion slidably slides along the wedge groove to drive the clamping block to slide on the guide block.

5. The clamping device of claim 4, wherein the elastic member is located between the connecting portion and the movable block, and the elastic member and the ejector pin are located on opposite sides of the connecting portion.

6. The clamping device of claim 1, wherein the movable block and the fixed block are movably connected with the fixed block through a plurality of limiting columns, each limiting column penetrates through the fixed block and the movable block, an elastic component is sleeved on each limiting column, and the elastic component is located between the fixed block and the movable block.

7. The clamping device of claim 1, wherein the pressing plate is fixedly connected with a self-locking block, the cover plate is provided with a clamping groove, and opposite side walls of the clamping groove are provided with convex spherical plungers for clamping the self-locking block in the clamping groove, so that the pressing plate is fixed on the second surface of the cover plate.

8. The clamping device as claimed in claim 7, wherein a key hole penetrating the cover plate is formed in the cover plate, a key is arranged in the key hole, one end of the key, which is far away from the first surface, is fixedly connected with the pressing plate, and the key is used for being pressed to unlock the clamping and fixing between the pressing plate and the cover plate.

9. The clamping device of claim 1, wherein the pressing plate and the cover plate are further provided with a guide structure, the guide structure comprises a guide shaft penetrating through the pressing plate and the cover plate and a linear bearing sleeved on the guide shaft, and the linear bearing is located on one side, away from the cover plate, of the pressing plate.