CN114425747A

CN114425747A - Clamping device

Info

Publication number: CN114425747A
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: 2022-05-03

Abstract

A clamping device, comprising: a cover plate having first and second opposing 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, the movable block is provided with an accommodating groove for accommodating the clamping assembly, and the clamping assembly is used for clamping a product on the movable block; a pressing plate which is releasably held on the second surface; 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 ejector pin penetrates through the through hole to abut 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 being clamped with the second surface, the ejector pin retracts to separate from the clamping assembly, and the clamping assembly clamps the product. The clamping device can realize simultaneous clamping and loosening of a plurality of component products, 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 parts are usually placed on a specific position of a product to be assembled after dispensing on the surfaces of the parts, and the parts and the product to be assembled are tightly bonded by pressure pressing. However, for a product to which a plurality of components are bonded, for example, four components are bonded to a product to be assembled, if dispensing one by one and then placing one by one for bonding, the assembly efficiency is very low.

Disclosure of Invention

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

A clamping device, comprising:

a cover plate having first and second opposing 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 an accommodating groove for accommodating the clamping assembly, and the clamping assembly is used for clamping a product on the movable block or loosening the product;

a pressing plate which is releasably held on the second surface; and

the ejector pins are fixed and convexly arranged on the pressing plate, the cover plate is provided with a through hole 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 penetrates through the through hole to abut 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 being clamped with the second surface, the ejector pin retracts to separate from the clamping assembly, and the clamping assembly clamps a product between the clamping assembly and the movable block.

Above-mentioned clamping device through the centre gripping module with thimble on the pressing plate is mutually supported and can easily realize that a plurality of spare part products press from both sides tightly or loosen simultaneously, can carry out some glue then can shift simultaneously to a plurality of spare part products and bond to waiting on the product of equipment when pressing from both sides to the packaging efficiency of product has effectively been promoted.

Drawings

FIG. 1 is a schematic view of an assembly apparatus of an embodiment of the present invention.

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

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

Fig. 4 is an exploded view of another angle of the clamping module of the clamping device of 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 invention.

Fig. 6 is another partial cross-sectional view of a clamping device in an unclamped state according to an embodiment of the invention.

Fig. 7 is a partial sectional view showing a clamped state of the clamping device according to the embodiment of the present invention.

Fig. 8 is another partial sectional view of the clamping state of the clamping device of the embodiment of the invention.

Fig. 9 is a sectional view of a button of a pressing plate of the chucking device according to the embodiment of the present invention.

Description of the main elements

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

Detailed Description

While the embodiments of the invention are illustrated in the drawings, the 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 may be 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 idealized or overly formal sense unless expressly so defined herein.

As shown in fig. 1, the assembling apparatus 500 according to the embodiment of the present invention includes a holding apparatus 100 and a supporting apparatus 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 (not shown) to be assembled. After the dispensing of the component products 200 on the holding device 100 is completed, the holding device 100 is placed on the supporting device 600 loaded with the products to be assembled, and the dispensed component products 200 are transferred and bonded to the products to be assembled, thereby realizing the bonding and assembly of the products.

Referring to fig. 2, a clamping device 100 according to an embodiment of the present 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 pins 70 protruding from the pressing plate 50.

As shown in fig. 2, the cover plate 10 has a first surface 101 and a second surface 103 opposite to each other. The plurality of holding modules 30 are disposed on the first surface 101, and the pressing plate 50 is detachably/unlockably held 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 connected 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 assembly 20 and the component product 200, and each clamping assembly 20 is used for clamping the component product 200 on the movable block 33 or loosening the product. As shown in fig. 5, the cover plate 10 has a through hole 105 corresponding to each thimble 70, each through hole 105 is aligned with one of the clamping members 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 thimble 70 passes through the through hole 105 to abut against and push the clamping assembly 20 to move, 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 thimble 70 is retracted and disengaged from the holding assembly 20, and the holding assembly 20 clamps the product between the holding 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, and can simultaneously clamp and release four component products 200. The first surface 101 of the cover plate 10 is provided with a mounting groove 107 corresponding to each clamping module 30. The four fitting grooves 107 are provided spaced apart from each other, and each fitting groove 107 is configured to partially receive a corresponding one of the grip modules 30. It will be appreciated that the number of clamping modules 30 may be adjusted and designed as desired.

The principle of each clamping module 30 clamping the component product 200 is the same and the structure is basically the same, and the following description will take one of the clamping modules 30 as an example. As shown in fig. 3 and 4, the fixing block 31 of the clamping module 30 is a substantially rectangular frame that can be locked in the fitting 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 through a plurality of limiting columns 32, and the movable block 33 is movably connected with the fixed block 31. In this embodiment, the number of the limiting columns 32 is four. Each limit column 32 penetrates through the fixed block 31 and the movable block 33, an elastic part 34 is sleeved on each limit column 32, and the elastic part 34 is located between the fixed block 31 and the movable block 33. The movable block 33 can move up and down along the position-limiting column 32 but can not be separated from the position-limiting column 32. In this embodiment, the movable block 33 is provided with a limiting hole 332 corresponding to each limiting post 32, and at least a part of the limiting post 32 is accommodated in the limiting hole 332. The movable block 33 can move in a direction away from the cover plate 10 under the elastic force of the elastic member 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 with the structure of fixed block 31 cooperatees, makes the movable block 33 install can't be parallel when on the fixed block 31 the horizontal migration of first surface 101 only can follow spacing post 32 is relative the fixed block 31 does displacement from top to bottom.

The clamping module 30 of fig. 3 and 4 corresponds to the component product 200 comprising two side portions 210 connected in an L-shape and a bottom portion 230 connecting the same side of the two side portions 210. In the present embodiment, each side 210 is rectangular and the bottom 230 is triangular. One surface of the bottom 230 is a rubberized surface 2311. When the component product 200 is placed in the clamping module 30, the glue-coated surface 2311 of the bottom part 230 is exposed relative to the movable block 33; the clamping assembly 20 is used for clamping the side portion 210. In the embodiment of the present application, one clamping assembly 20 is disposed corresponding to each side portion 210. That is, the clamping module 30 includes two clamping assemblies 20 for clamping and unclamping one side portion 210 of the component product 200, respectively. It will be appreciated that the location and number of the clamping assemblies 20 can be adjusted and designed according to 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, which are disposed in the receiving groove 330. The guide block 23 is fixed to the movable block 33. The wedge 21 is movably arranged in the accommodating groove 330, the clamping block 25 is tightly connected and matched with the 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 located opposite to the wedge 21, and the thimble 70 can pass through the through hole 105 to abut against and push the wedge 21 to move in a direction away from the cover plate 10, so as to drive the clamping block 25 to slide on the guide block 23, so that a space/gap for placing a component product 200 is formed between the clamping block 25 and the movable block 33; the elastic element 27 is now compressed between the wedge 21 and the movable block 33, and the surface of the wedge 21 remote from the cover plate 10 is flush with the surface of the clamping block 25 remote from the cover plate 10. The elastic member 27 is used to provide a resilient force for urging the wedge 21 to move toward the cover plate 10. When the ejector pin 70 is disengaged from the wedge 21, the elastic force of the compressed elastic member 27 will push the wedge 21 to move, thereby pushing the clamping block 25 to move and clamp the component product 200, at which time the surface of the wedge 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 a flat plate. 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, and 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 on which the clamping block 25 is disposed is further provided with a pair of stoppers 233 corresponding to each clamping block 25, the pair of stoppers 233 being 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 body portion 213 fixedly connected to one side of the connecting portion 211, and the height of the connecting portion 211 is smaller than that of the body portion 213; the body portion 213 is located between the connecting 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 as an inclined surface 212, the clamping block 25 is opened with an inclined wedge groove 251 facing the main body 213, the bottom wall of the inclined wedge groove 251 is an inclined surface to match with the inclined surface 212 of the main body 213, and the main body 213 slidably slides along the inclined wedge groove 251 to drive the clamping block 25 to slide on the guide block 23. The elastic element 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 element 27. The elastic member 27 is at least partially received in the receiving hole 331. The elastic member 27 and the thimble 70 are located at opposite sides of the connecting portion 211.

In this embodiment, the receiving groove 330 of the movable block 33 is used for receiving 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 designed to match 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, for example, fixed on the bottom wall 334 of the movable block 33 by screw locking. The receiving groove 330 is formed through the movable block 33, 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. 3, in a region where the wedge 21 and the clamping block 25 are disposed.

As shown in fig. 2, a self-locking block 51 is protruded from the surface of the pressing plate 50 facing the cover plate 10, and the end of the self-locking block 51 has a structural feature that the end is tapered from the middle to both ends. Referring to fig. 6 and 8, a locking groove 102 is formed in the cover plate 10 and is matched with the self-locking block 51, a protruding spherical plunger 104 is arranged on an opposite side wall of the locking groove 102, the self-locking block 51 extends into the locking groove 102 and passes over the two spherical plungers 104, so that the self-locking block 51 is clamped in the locking groove 102 by the abutting extrusion of the two spherical plungers 104 on the self-locking block 51, and the pressing plate 50 is fixed on the second surface 103 of the cover plate 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, the two self-locking blocks 51 are arranged oppositely, and there are two corresponding slots 102 on the cover plate 10.

As shown in fig. 2, a key hole 106 penetrating through the cover plate 10 is formed in the cover plate 10, a key 40 is disposed in the key hole 106, and the key 40 is used to unlock the clamping and fixing between the pressing plate 50 and the cover plate 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 configured to be pressed to push the pressing plate 50 to move out of 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, and the key portion 41 is thicker than the extension portion 43 and is matched with the key portion 41 according to the shape of the key hole 106. The key part 41 includes a first hole 1061 with a larger opening and a second hole 1062 with a smaller opening and communicating with the first hole 1061, and the first hole 1061 is used to accommodate the key part 41. The opening size of the second hole 1062 is smaller than the size of the key part 41, so that the key 40 is prevented from sliding out of the cover plate 10 from one side of the second hole 1062, and the extension 43 passes through the second hole 1062 and is connected to the pressing plate 50. When the pressing plate 50 is held and fixed on the second surface 103 of the cover plate 10, the keys 40 are protruded relative to the first surface 101, i.e. the key parts 41 are protruded relative to the first surface 101 and suspended in the first hole parts 1061; when the key part 41 is pressed to abut against the wall of the first hole part 1061, the key part 41 will push the pressing plate 50 to move away from the cover plate 10, so that the self-locking block 51 moves out of the card slot 102; that is, the pressing plate 50 is released from the engagement with the cover plate 10. In this embodiment, the fixed connection between the key 40 and the pressing plate 50 can be realized by a screw penetrating through the pressing plate 50 and locking the pressing plate on the extending portion 43.

As shown in fig. 1, the pressing plate 50 and the cover plate 10 are further provided with a guiding structure corresponding thereto, the guiding structure includes a guiding shaft 53 penetrating the pressing plate 50 and the cover plate 10, and a linear bearing 55 fitted around the guiding shaft 53, and the linear bearing 55 is located on a side of the pressing plate 50 away from the cover plate 10. The pressing plate 50 is movable up and down along a 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 is pressed to push the inclined wedge block 21 to move towards a direction away from the cover plate 10, the inclined wedge block 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; then the component product 200 to be glued is 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, and the ejector pin 70 is driven to retract into the through hole 105 and no longer abuts against the inclined wedge block 21, the elastic force of the elastic piece 27 is released to push the inclined wedge block 21 to move in a direction towards the cover plate 10, so that the inclined wedge block 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 holding 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, wherein the glue-coated surface of the component product 200 is required to face the product to be assembled on the supporting device 600, at this time, 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 arranged by the pressing plate 50 faces upwards; then, bonding the product, and baking to solidify the glue; finally, the pressing plate 50 is pressed towards 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 abuts against and pushes the wedge block 21 to move towards the direction away from the cover plate 10, the wedge block 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 this time, the clamping device 100 is removed from the supporting device 600, and the component product 200 is fixed on the product of the supporting device 600 in an adhering manner.

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

The above embodiments are only intended to illustrate the technical solution of the present invention and not to limit, and the up, down, left and right directions shown in the drawings are only for convenience of understanding, although the present invention is described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solution of the present invention 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 first and second opposing surfaces;

a pressing plate which is releasably held on the second surface; and

the ejector pins are fixed and convexly arranged on the pressing plate, the cover plate is provided with a through hole corresponding to each ejector pin, and each ejector pin is partially accommodated in the corresponding through hole; each through hole is positioned in alignment with one of the clamping assemblies,

2. The clamping assembly of claim 1 wherein each clamping assembly includes a ramp movably disposed in the receiving slot, a guide block secured to the movable block, a clamping block disposed in cooperation with the ramp and slidably disposed on the guide block, and a resilient member disposed between the movable block and the ramp; the position of the through hole is aligned with the inclined wedge block, the thimble penetrates through the through hole to abut against and push the inclined wedge block to move towards the direction far away from the cover plate, so that the clamping block is driven to slide on the guide block, a space for placing a product is formed between the clamping block and the movable block, and the elastic piece is compressed; the elastic piece is used for providing a resilience force for promoting the inclined wedge block to move towards the direction close to the cover plate, so that the inclined wedge block pushes the clamping block to move to clamp the product.

3. The clamping device of claim 2, 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 the surface of the guide block facing away from the cover plate is planar.

4. The clamping device of claim 3, wherein the surface of the guide block where the clamping block is arranged is further provided with a pair of limiting blocks; the pair of limiting blocks are positioned at two opposite sides of the clamping block and used for limiting the moving path of the clamping block on the guide block.

5. The clamping device as claimed in claim 3, wherein the wedge block includes a connecting portion and a main body portion fixedly connected to a side of the connecting portion, the main body portion is located between the connecting portion and the clamping block and is connected and matched with the clamping block, a surface of the main body portion facing away from the connecting portion is formed as an inclined surface, the clamping block is provided with a wedge groove facing the main body portion, a groove wall of the wedge groove is an inclined surface to match 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.

6. The clamping device of claim 5, wherein said resilient member is captured between said connecting portion and said movable block, said resilient member and said ejector pin being located on opposite sides of said connecting portion.

7. The clamping device as claimed in claim 1, wherein the movable block and the fixed block are movably connected to the fixed block through a plurality of limiting posts, each limiting post penetrates through the fixed block and the movable block, each limiting post is sleeved with an elastic member, and the elastic member is located between the fixed block and the movable block.

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

9. The clamping device as claimed in claim 8, wherein a key hole is formed in the cover plate and penetrates through the cover plate, a key is disposed in the key hole, one end of the key, which is far away from the first surface, is fixedly connected to the pressing plate, and the key is used for being pressed to unlock the clamping fixation between the pressing plate and the cover plate.

10. The clamping device as claimed in claim 1, wherein the pressing plate and the cover plate are further provided with a guiding structure corresponding thereto, the guiding structure comprises a guiding shaft penetrating through the pressing plate and the cover plate and a linear bearing sleeved on the guiding shaft, and the linear bearing is located on a side of the pressing plate away from the cover plate.