CN221291019U

CN221291019U - Novel sucking disc

Info

Publication number: CN221291019U
Application number: CN202323335441.0U
Authority: CN
Inventors: 曾梦文
Original assignee: Shenzhen Bangsheng Technology Co ltd
Current assignee: Shenzhen Bangsheng Technology Co ltd
Priority date: 2023-12-06
Filing date: 2023-12-06
Publication date: 2024-07-09
Anticipated expiration: 2033-12-06

Abstract

The utility model discloses a novel sucker which is characterized by comprising a bottom plate, a middle plate and a top plate, wherein the middle plate is fixed between the bottom plate and the top plate, and the top plate is detachably connected with the middle plate; the middle plate is provided with a first negative pressure cavity, and a valve core is arranged in the first negative pressure cavity; the bottom plate is provided with a negative pressure generating part communicated with the first negative pressure cavity; the top plate is provided with a second negative pressure cavity communicated with the first negative pressure cavity, and the top end of the second negative pressure cavity is a suction hole positioned on the top surface of the top plate; and a filter element is arranged in the second negative pressure cavity. Through setting up in the top of medium plate the roof, and the case is set up on the medium plate, consequently when changing as required the roof, only need dismantle the roof, need not handle the case, reduced the operation step, the operation of being convenient for.

Description

Novel sucking disc

Technical Field

The utility model relates to the field of machining jigs, in particular to a novel sucker.

Background

The vacuum chuck is an executive component of the vacuum adsorption device, and the vacuum chuck adsorbs a workpiece by means of vacuum suction and then processes the workpiece by processing equipment. The vacuum chuck is generally provided with a plurality of adsorption modules, and when a workpiece is placed on the fixing surface of the chuck, the workpiece can be adsorbed and fixed through the corresponding adsorption modules.

The current panel at vacuum chuck top is generally used for supporting the work piece to adsorb the module and inlay and establish in this panel, but panel above receive the damage easily in the course of working, perhaps change according to the different needs of processing environment, and current vacuum chuck need dismantle a large amount of adsorption module simultaneously when changing the panel of top, and the operation is comparatively complicated, loaded down with trivial details.

Disclosure of utility model

In view of the above, the utility model discloses a novel sucker, which is simple to operate without disassembling a large number of adsorption modules when replacing plates at the top end.

The utility model discloses a novel sucker, which comprises a bottom plate, a middle plate and a top plate, wherein,

The middle plate is fixed between the bottom plate and the top plate, and the top plate is detachably connected with the middle plate;

The middle plate is provided with a first negative pressure cavity, and a valve core is arranged in the first negative pressure cavity;

the bottom plate is provided with a negative pressure generating part communicated with the first negative pressure cavity;

The top plate is provided with a second negative pressure cavity communicated with the first negative pressure cavity, and the top end of the second negative pressure cavity is a suction hole positioned on the top surface of the top plate;

and a filter element is arranged in the second negative pressure cavity.

Further, a first sealing piece is arranged at the bottom end of the top plate, and the top plate is in sealing fit with the middle plate through the first sealing piece;

The bottom surface of medium plate is provided with the second sealing member, the medium plate passes through the second sealing member with the bottom plate cooperation.

Further, a filter element is arranged in the second negative pressure cavity, and the second negative pressure cavity sucks air into the external space through the filter element.

Further, a first spring is arranged in the second negative pressure cavity, one end of the first spring abuts against the middle plate, and the other end of the first spring abuts against the filter element.

Further, the first negative pressure cavity comprises a mounting part and a connecting part, wherein the mounting part is arranged below the middle plate and is communicated with the second negative pressure cavity through the connecting part;

The valve core is arranged in the mounting part.

Further, the valve core comprises a valve body and an elastic piece, the valve body is in sliding connection with the mounting part, a first conducting hole is formed in the valve body, the mounting part is communicated with the connecting part through the first conducting hole, and the connecting part is communicated with the first negative pressure cavity;

The elastic piece is used for driving the valve body to reset.

Further, the first via hole penetrates through the valve body, a first sealing block is arranged at the bottom end of the first via hole, and when the valve body abuts against the bottom plate through the first sealing block, the bottom plate seals the first via hole through the first sealing block.

Further, the elastic piece comprises a third sealing piece, the third sealing piece is arranged at the top end of the valve body, and the valve body abuts against the top end of the mounting part through the third sealing piece;

The valve body supports against the third sealing piece and can drive the third sealing piece to deform, and when the third sealing piece deforms and resets, the valve body can be driven to reset.

Further, the elastic piece comprises a second spring, one end of the second spring abuts against the valve body, and the other end of the second spring abuts against the top surface of the bottom plate.

Further, the elastic member includes a third seal member and a second spring, wherein,

The third sealing piece is arranged at the top end of the valve body, and the valve body abuts against the top end of the mounting part through the third sealing piece; the valve body abuts against the third sealing element and can drive the third sealing element to deform, and when the third sealing element deforms and resets, the valve body can be driven to reset;

One end of the second spring abuts against the valve body, and the other end of the second spring abuts against the top surface of the bottom plate.

Compared with the prior art, the technical scheme disclosed by the utility model has the beneficial effects that:

through setting up in the top of medium plate the roof, and the case is set up on the medium plate, consequently when changing as required the roof, only need dismantle the roof, need not handle the case, reduced the operation step, the operation of being convenient for.

Drawings

FIG. 1 is a schematic structural view of a suction cup;

FIG. 2 is an exploded view of the suction cup;

FIG. 3 is a cross-sectional view of a portion of the suction cup;

FIG. 4 is a partial cross-sectional view of a top plate;

FIG. 5 is a partial cross-sectional view of the suction cup of another embodiment of the first seal;

FIG. 6 is a partial cross-sectional view of the first seal member with the suction cup of other embodiments;

FIG. 7 is a schematic view of the valve body in direct engagement with the mounting portion;

FIG. 8 is a partial cross-sectional view of the suction cup when the resilient member includes a third seal member and a second spring;

FIG. 9 is a partial cross-sectional view of the suction cup with the spring member being a third seal member;

fig. 10 is a partial cross-sectional view of the suction cup with the resilient member being a second spring.

Reference is made to the accompanying drawings

100. A suction cup; 10. a bottom plate; 20. a middle plate; 21. a first negative pressure chamber; 211. a mounting part; 212. a connection part; 22. a second seal; 30. a top plate; 31. a second negative pressure chamber; 311. a suction hole; 312. a groove; 32. a filter; 321. a first spring; 40. a valve core; 41. a valve body; 411. a first via hole; 412. a first sealing block; 413. a boss; 42. an elastic member; 421. a third seal; 422. a second spring; 43. a sleeve; 431. a stop.

Detailed Description

The following description of the embodiments of the present utility model will be made with reference to the drawings in which the embodiments of the present utility model are clearly and fully described, it should be noted that when one component is considered to be "connected" to another component, it may be directly connected to the other component, or there may be an intervening component at the same time. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. It should also be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless otherwise specifically defined and limited; either mechanically or electrically, or by communication between two components. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

It should be further noted that, in the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 and 2, the utility model discloses a novel suction cup 100, which comprises a bottom plate 10, a middle plate 20 and a top plate 30, wherein the bottom plate 10, the middle plate 20 and the top plate 30 are sequentially arranged from bottom to top, the middle plate 20 is positioned between the bottom plate 10 and the top plate 30, the upper surface of the middle plate 20 is attached to the bottom surface of the top plate 30, and the bottom surface of the middle plate 20 is attached to the top surface of the bottom plate 10.

As shown in fig. 3, at least one adsorption structure is disposed on the suction cup, each adsorption structure includes a first negative pressure cavity 21, a second negative pressure cavity 31 and a valve core 40, the first negative pressure cavity 21 is disposed on the middle plate 20, the second negative pressure cavity 31 is disposed on the top plate 30, the first negative pressure cavity 21 is communicated with the second negative pressure cavity 31, the top end of the second negative pressure cavity 31 is a suction hole 311 located on the top surface of the top plate 30, the valve core 40 is disposed in the first negative pressure cavity 21, a negative pressure generating portion is disposed on the bottom plate 10, and the negative pressure generating portion is communicated with the first negative pressure cavity 21. In the application, the negative pressure generating part is connected with a negative pressure generating device, and the negative pressure generating device can be an air pump or a gas pipe connected with the air pump, and is not particularly limited herein. The workpiece is placed on the top surface of the top plate 30 and covers at least one suction hole 311, the negative pressure generating device pumps negative pressure to the negative pressure generating part, the negative pressure generating part pumps negative pressure to the first negative pressure cavity 21 and pumps negative pressure to the first negative pressure cavity 21 through the valve core 40, so that the air pressure of the first negative pressure cavity 21 is reduced, and the workpiece is adsorbed on the upper surface of the top plate 30.

In the present application, the second negative pressure chamber 31 is provided with a filter 32, and when the workpiece is sucked through the suction hole 311, the filter 32 is provided to prevent the scraps from entering the second negative pressure chamber 31. The filter element 32 may be a filter sheet provided with a filter hole, or may be a mesh sheet provided with a filter screen, or may be any other filter structure capable of blocking the waste, so long as the negative pressure is satisfied and the waste is prevented from being absorbed into the second negative pressure chamber 31, and the specific structure thereof is not particularly limited herein.

As shown in fig. 4, in the present application, the filter 32 is disposed at a position where the second negative pressure chamber 31 communicates with the suction hole 311, and the second negative pressure chamber 31 sucks air into the external space through the filter 32. In the present application, the second negative pressure chamber 31 may suck air into the external space through one suction hole 311, or may suck air into the external space through a plurality of suction holes 311 at the same time, and is not particularly limited herein. And in order to promote the adsorption affinity to the work piece, still can set up on the upper surface of roof 30 with at least one of them inhale the recess 312 that hole 311 communicates, the roof is through inhale hole 311 with recess 312 adsorbs the work piece simultaneously, promotes the adsorption area to the work piece, increases adsorption stability.

Further, a first spring 321 is disposed in the second negative pressure chamber 31, one end of the first spring 321 abuts against the middle plate 20, and the other end of the first spring 321 abuts against the filter element 32, so as to position the filter element 32.

In the present application, the middle plate 20, the bottom plate 10 and the top plate 30 are detachably fixed and matched, and the connection mode includes fastening, bolt fixing or fixing by a connector, so that the three are bonded and fixed.

Preferably, in the present application, a plurality of connection holes are formed on each of the bottom plate 10, the middle plate 20 and the top plate 30, and the bottom plate 10 and the middle plate 20 are engaged with the corresponding connection holes by screws to fix the middle plate 20 and the bottom plate 10 together. Further, the middle plate 20 and the top plate 30 are engaged with corresponding connection holes by screws, so that the middle plate 20 and the top plate 30 are connected together.

In the use process, the top plate 30 may be damaged when the workpiece is processed, or a new top plate or other top plates 30 are replaced according to the requirement, in the application, only the top plate 30 is required to be disassembled, and the valve core 40 arranged in the first negative pressure cavity 21 is not required to be disassembled, so that the operation procedures are reduced, and the operation is convenient.

As shown in fig. 3, further, a first sealing member 33 is disposed at a bottom end of the top plate 30, and the top plate 30 is in sealing engagement with the middle plate 20 through the first sealing member 33. In one embodiment, the first sealing member 33 may be a large sealing ring, in which all the second negative pressure chambers 31 are located, and when the top plate 30 is connected to the middle plate 20, the top plate 30 and the middle plate 20 clamp the large sealing ring, so that sealing engagement between the top plate 30 and the middle plate 20 is achieved, and air leakage at the connection position of the second negative pressure chambers 31 and the first negative pressure chambers 21 is prevented. In another embodiment, as shown in fig. 5, the first sealing member 33 is at least one small sealing ring, the small sealing ring surrounds the bottom end of one of the second negative pressure chambers 31, and when the top plate 30 is matched with the middle plate 20, the top plate 30 and the middle plate 20 hold one or more small sealing rings, and at the same time, the air leakage at the joint of the second negative pressure chamber 31 and the first negative pressure chamber 21 can be prevented. As shown in fig. 6, in other embodiments, the first sealing member 33 includes a large sealing ring and a small sealing ring disposed on the bottom plate 10, all the second negative pressure chambers 31 are located in the large sealing ring, and a small sealing ring is disposed at the bottom end of each second negative pressure chamber 31, and when the top plate 30 is matched with the middle plate 20, the top plate 30 and the middle plate 20 are simultaneously in sealing fit through the large sealing ring and the small sealing ring, so as to improve the sealing effect thereof.

Further, a second sealing member 22 is provided on the bottom surface of the middle plate 20, and the middle plate 20 is matched with the bottom plate 10 through the second sealing member 22. In the present application, the second sealing member 22 is a large sealing ring disposed at the bottom end of the middle plate 20, and the left and right first negative pressure chambers 21 are located inside the large sealing ring. Alternatively, the second sealing member 22 may be disposed with reference to the manner of disposing the first sealing member 33, which is not described herein.

In the present application, the first seal 33 and the second seal 22 are made of a rubber material.

As shown in fig. 7, further, the first negative pressure chamber 21 includes a mounting portion 211 and a connection portion 212, the mounting portion 211 being disposed below the middle plate 20 and the mounting portion 211 being in communication with the second negative pressure chamber 31 through the connection portion 212; the valve body 40 is disposed in the mounting portion 211. In the present application, the diameter of the connection portion 212 is smaller than the diameter of the mounting portion 211.

Further, the valve core 40 includes a valve body 41 and an elastic member 42, the valve body 41 is slidably connected with the mounting portion 211, a first through hole 411 is provided on the valve body 41, the mounting portion 211 is in conduction with the connecting portion 212 through the first through hole 411, and is in conduction with the first negative pressure chamber 21 through the connecting portion 212; the elastic member 42 is used for driving the valve body 41 to reset. In the present application, the first negative pressure chamber 21 may be in communication with the second negative pressure chamber 31 through the first through hole 411, and may pump negative pressure to the second negative pressure chamber 31 through the first through hole 411.

Further, the side edge of the valve body 41 may be attached to the side surface of the mounting portion 211 and slidably engaged with the mounting portion 211; as shown in fig. 8, a sleeve 43 is provided in the mounting portion 211, and the valve body 41 is fitted inside the sleeve 43 and slidably engages with the sleeve 43.

With continued reference to fig. 8, in the present application, a sleeve 43 is disposed in the mounting portion 211, a sidewall of the sleeve 43 is attached to a sidewall of the mounting portion 211, and the valve body 41 is slidably disposed inside the sleeve 43. The inner side of the sleeve 43 is provided with a stop portion 431, the valve body 41 is provided with a protruding portion 413, and the stop portion 431 prevents the valve body 41 from moving upwards through the protruding portion 413.

Further, the first through hole 411 penetrates through the valve body 41, a first sealing block 412 is disposed at the bottom end of the first through hole 411, and when the valve body 41 abuts against the bottom plate 10 through the first sealing block 412, the bottom plate 10 seals the first through hole 411 through the first sealing block 412. When the top surface of the top plate 30 does not cover the workpiece, if the negative pressure generating portion pumps negative pressure into the first negative pressure cavity 21, the valve body 41 may move downward under the action of suction force until the valve body 41 abuts against the upper surface of the bottom plate 10 through the first sealing block 412, and the first through hole 411 is blocked, so that negative pressure is not pumped into the second negative pressure cavity 31 through the first through hole 411, and waste is prevented from entering the second negative pressure cavity 31. When the negative pressure generating portion no longer applies negative pressure to the first negative pressure chamber 21, the elastic member 42 may drive the valve body 41 to reset until the stop portion 431 abuts against the protruding portion 413.

As shown in fig. 9, in an embodiment, the elastic member 42 includes a third sealing member 421, and the third sealing member 421 is connected to the valve body 41; the valve body 41 is connected to the third sealing member 421 and can drive the third sealing member 421 to deform when moving, and can drive the valve body 41 to reset when the third sealing member 421 deforms and resets. In this embodiment, the third sealing member 421 is disposed at the top end of the valve body 41, the valve body 41 may abut against the top end of the mounting portion 211 through the third sealing member 421, when the valve body 41 moves downward, the valve body 41 may drive the third sealing member 421 to deform, and when the third sealing member 421 deforms and resets, the valve body 41 may be driven to simultaneously reset. In the present embodiment, the third sealing member 421 may be made of a rubber material or a silicone material, and is not particularly limited herein.

In another embodiment, as shown in fig. 10, the elastic member 42 includes a second spring 422, one end of the second spring 422 abuts against the valve body 41, and the other end of the second spring 422 abuts against the top surface of the bottom plate 10. In this embodiment, the second spring 422 may be compressed when the valve body 41 moves downward, and the valve body 41 may be driven to return when the second spring 422 returns.

As shown in fig. 8, in other embodiments, the elastic member 42 includes a third sealing member 421 and a second spring 422, wherein the third sealing member 421 is connected to the valve body 41; the valve body 41 is connected with the third sealing member 421 and can drive the third sealing member 421 to deform when moving, and can drive the valve body 41 to reset when the third sealing member 421 deforms and resets; one end of the second spring 422 abuts against the valve body 41, and the other end of the second spring 422 abuts against the top surface of the bottom plate 10. In this embodiment, the third sealing member 421 is disposed at the top end of the valve body 41, the valve body 41 may abut against the top end of the mounting portion 211 through the third sealing member 421, when the valve body 41 moves downward, the valve body 41 may drive the third sealing member 421 to deform and compress and pre-tighten the second spring 422, and when the third sealing member 421 and the second spring 422 return, the valve body 41 may be driven to return simultaneously.

The present utility model can be embodied in various forms and modifications without departing from the broad spirit and scope of the utility model, and the above-described embodiments are intended to be illustrative of the utility model, but not limiting the scope of the utility model.

Claims

1. A novel sucker is characterized by comprising a bottom plate, a middle plate and a top plate, wherein,

and a filter element is arranged in the second negative pressure cavity.

2. The novel sucker according to claim 1, wherein a first sealing member is arranged at the bottom end of the top plate, and the top plate is in sealing fit with the middle plate through the first sealing member;

3. The novel suction cup according to claim 1, wherein the filter is arranged at a communication position between the second negative pressure cavity and the suction hole, and the second negative pressure cavity sucks air into an external space through the filter.

4. The novel sucker according to claim 3, wherein a first spring is arranged in the second negative pressure cavity, one end of the first spring abuts against the middle plate, and the other end of the first spring abuts against the filter.

5. The novel suction cup as claimed in claim 4, wherein the first negative pressure chamber comprises a mounting portion and a connecting portion, the mounting portion is disposed below the middle plate and is communicated with the second negative pressure chamber through the connecting portion;

The valve core is arranged in the mounting part.

6. The novel sucker according to claim 5, wherein the valve core comprises a valve body and an elastic piece, the valve body is slidably connected with the mounting part, a first through hole is formed in the valve body, the mounting part is communicated with the connecting part through the first through hole, and the connecting part is communicated with the first negative pressure cavity;

The elastic piece is used for driving the valve body to reset.

7. The novel sucker of claim 6, wherein the first through hole penetrates through the valve body, a first sealing block is arranged at the bottom end of the first through hole, and when the valve body abuts against the bottom plate through the first sealing block, the bottom plate seals the first through hole through the first sealing block.

8. The novel suction cup as set forth in claim 6, wherein said resilient member comprises a third seal member, said third seal member being connected to said valve body;

The valve body is connected with the third sealing element and can drive the third sealing element to deform when moving, and can drive the valve body to reset when the third sealing element deforms and resets.

9. The novel suction cup as set forth in claim 6, wherein said resilient member comprises a second spring, one end of said second spring abutting said valve body, and the other end of said second spring abutting said top surface of said bottom plate.

10. The novel suction cup as set forth in claim 6, wherein said resilient member comprises a third seal member and a second spring, wherein,

The elastic piece comprises a third sealing piece, and the third sealing piece is connected with the valve body;

The valve body is connected with the third sealing element and can drive the third sealing element to deform when moving, and can drive the valve body to reset when the third sealing element deforms and resets;