CN217050638U - Suction structure of suction cup - Google Patents
Suction structure of suction cup Download PDFInfo
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- CN217050638U CN217050638U CN202220933052.4U CN202220933052U CN217050638U CN 217050638 U CN217050638 U CN 217050638U CN 202220933052 U CN202220933052 U CN 202220933052U CN 217050638 U CN217050638 U CN 217050638U
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- sealing
- groove
- sealing member
- buffer
- suction
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- 238000007789 sealing Methods 0.000 claims abstract description 159
- 230000003139 buffering effect Effects 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000001179 sorption measurement Methods 0.000 abstract description 25
- 238000010030 laminating Methods 0.000 abstract description 5
- 239000012535 impurity Substances 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model discloses an adsorption structure of a sucker, which is fixed on a sucker body, the adsorption structure comprises a fixing piece and a sealing piece, a sealing groove is arranged on the sucker body, the sealing piece is arranged in the sealing groove and fixed by the fixing piece, and the top end of the sealing piece extends out of the sealing groove and is matched with a workpiece placed on the sucker body in a sealing way; the sucking disc body and/or be provided with the dashpot on the sealing member, the sealing member can to deformation takes place for the dashpot for the work piece is adsorbed to the sucking disc, when making work piece laminating sucking disc body, the work piece can be right the pressure is applyed to the sealing member, makes deformation takes place for the sealing member, and the sealing member with the work piece laminating is inseparable, prevents to leak gas when the work piece is adsorbed to the sucking disc, and sets up the dashpot, for the sealing member provides the deformation space, is convenient for the work piece with the sucking disc body adsorbs firmly, promotes and adsorbs the precision.
Description
Technical Field
The utility model relates to a mechanical tool technical field especially relates to an adsorption structure of sucking disc.
Background
The vacuum chuck is an actuating element of the vacuum adsorption device, the vacuum chuck adsorbs a workpiece by means of vacuum suction and then processes the workpiece by processing equipment, and the vacuum adsorption has the advantages of cleanness, stable adsorption, reliability and no damage to the surface of the adsorbed object, so that the vacuum adsorption technology is widely applied to machining and other fields.
The vacuum sucker is provided with a plurality of adsorption modules, workpieces are adsorbed and fixed through the adsorption modules, when the workpieces are fixed by the conventional sucker, the adsorption surface of the sucker generally has two hard adsorption surfaces and a flexible adsorption surface, the hard adsorption surface has higher requirements on the machining precision of the surface of the sucker, the machining cost is easily increased, the friction force between the sucker and the workpieces is small after adsorption, and the workpieces are easily loosened or slid relatively; although the flexible sucking disc adsorption surface can increase the friction force, the flexible sucking disc adsorption surface cannot realize precise positioning adsorption because the deformation of the flexible surface cannot be controlled in the actual use process, and the flexible sucking disc adsorption surface has poor durability and poor maintainability!
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model discloses an adsorption structure of sucking disc can make the work piece comparatively inseparable attached on the sucking disc body to guarantee to adsorb the precision and reduce manufacturing and use cost.
The utility model discloses an adsorption structure of a sucker, which is fixed on a sucker body, the adsorption structure comprises a fixing piece and a sealing piece, a sealing groove is arranged on the sucker body, the sealing piece is arranged in the sealing groove and is fixed by the fixing piece,
the top end of the sealing element extends out of the sealing groove and is in sealing fit with a workpiece placed on the sucker body;
the sucking disc body and/or be provided with the dashpot on the sealing member, the sealing member can to the dashpot takes place deformation.
Further, the buffer groove is arranged on the sucker body and located on the peripheral side of the sealing element.
Further, the buffer slot comprises a buffer plane and a buffer inclined plane, and the buffer plane is close to the sealing element and is located on the inner side of the buffer inclined plane.
Furthermore, the sealing element is provided with a supporting part which is in sealing fit with the workpiece through the supporting part, the bottom of the supporting part is provided with a avoiding plane which is located on the inner side of the buffering plane, and the position of the avoiding plane is not higher than that of the buffering plane.
Further, the sealing element is sleeved on the outer side of the fixing element, and an air hole penetrating through the fixing element is formed in the fixing element.
Further, the mounting includes fixed part and nip portion, be provided with the spread groove in the sealing member, the fixed part pass the spread groove with sucking disc body fixed connection, and pass through nip portion pressure holds the bottom surface of spread groove, will the sealing member is fixed in the seal groove.
Further, still be provided with buffer structure in the seal groove, buffer structure is fixed in the below of sealing member and laminating the bottom surface of seal groove.
Further, the buffer structure is at least one sealing gasket, and at least one sealing gasket is located between the bottom surface of the sealing element and the bottom surface of the sealing groove.
Further, the top surface of the seal member has an inwardly inclined sealing surface.
Furthermore, the sealing element is provided with at least one deformation groove, and the deformation groove is positioned on the side surface of the sealing element and/or the bottom surface of the sealing element.
The technical scheme of the utility model, compared with the prior art, beneficial effect is:
the top of sealing member stretches out the seal groove, adsorbs the work piece when the sucking disc for when work piece laminating sucking disc body, the work piece can be right the sealing member applys pressure, makes the sealing member takes place to deformation, and the sealing member with the work piece laminating is inseparable, prevents to leak gas when the sucking disc adsorbs the work piece, and sets up the buffer slot, for the sealing member provides the deformation space, is convenient for the work piece with the sucking disc body adsorbs firmly, promotes and adsorbs the precision.
Drawings
FIG. 1 is a schematic view of a suction structure coupled to a chuck body in one embodiment;
FIG. 2 is a cross-sectional view of a portion of a chuck body in one embodiment;
FIG. 3 is a cross-sectional view of a sealing member and a securing member in one embodiment;
FIG. 4 is a cross-sectional view of a seal in one embodiment;
FIG. 5 is a schematic view of the suction structure in one embodiment connected to the chuck body;
FIG. 6 is a schematic view of a buffer tank disposed on a seal;
FIG. 7 is a schematic view of a chuck body having a buffer reservoir in one embodiment;
FIG. 8 is a schematic view of a chuck body having a buffer groove in another embodiment;
FIG. 9 is a schematic view of the suction structure connected to the sucker body with a buffer structure;
description of the figures
100. An adsorption structure; 10. a fixing member; 11. a fixed part; 12. a press-fit portion; 13. air holes; 20. a seal member; 21. connecting grooves; 22. a sealing surface; 23. a deformation groove; 24. a holding portion; 241. avoiding a plane; 30. a filter member; 40. a buffer structure; 200. a suction cup body; 210. a sealing groove; 220. a buffer tank; 221. a buffer plane; 222. buffer the inclined plane.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and 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 intervening components may exist. 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 invention belongs. It should also be noted that unless expressly specified or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly and include, for example, fixed and removable connections as well as integral connections; either mechanically or electrically, and may be internal to both elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
It should be noted that, in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, which are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. 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, the utility model discloses an adsorption structure 100 of sucking disc fixes on sucking disc body 200, be provided with a plurality ofly on the sucking disc body 200 adsorption structure 100, through adsorption structure 100 closely laminates with the work piece, guarantees the absorptive fastness of work piece.
As shown in fig. 2 and 3, a sealing groove 210 corresponding to the suction structure 100 is disposed on the suction cup body 200, the suction structure 100 includes a sealing member 20 and a fixing member 10, the sealing member 20 is fixed in the sealing groove 210 by the fixing member 10, and a top end of the sealing member 20 may partially extend out of the sealing groove 210, and when the suction cup sucks a workpiece, the workpiece is attached to a top surface of the suction cup body 200 and is in sealing engagement with the sealing member 20.
The sealing element 20 is sleeved on the outer side of the fixing element 10, and the fixing element 10 is provided with an air hole 13 penetrating through the fixing element 10. Specifically, when the sealing element 20 is disposed in the sealing groove 210, the fixing element 10 penetrates through the sealing element 20 and is fixedly connected with the suction cup body 200, so that the sealing element 20 is fixed in the sealing groove 210, and when air is extracted through the vacuum generating device, the workpiece is adsorbed on the suction cup body 200 by the action of the air hole 13, at this time, the workpiece exerts an external force on the sealing element 20 to drive the sealing element 20 to deform, and when the workpiece is tightly attached to the suction cup body 200, the sealing element 20 is in sealing fit with the workpiece, so that the vacuum generating device leaks air when adsorbing the workpiece through the air hole 13.
Further, the fixing member 10 includes a fixing portion 11 and a pressing portion 12, a connecting groove 21 is provided in the sealing element 20, the fixing portion 11 penetrates through the connecting groove 21 and the suction cup body 200, and the bottom surface of the connecting groove 21 is pressed by the pressing portion 12, so that the sealing element 20 is fixed in the sealing groove 210. Specifically, the connecting groove 21 with an upward opening is arranged in the sealing element 20, and the fixing portion 11 penetrates through the bottom surface of the connecting groove 21 to be in threaded connection with the suction cup body 200, so that the air hole 13 is communicated with the vacuum generation structure. After the fixing portion 11 is connected to the suction cup body 200, the pressing portion 12 presses the bottom surface of the connecting groove 21, so as to fix the sealing element 20 in the sealing groove 210. When the seal 20 is secured within the seal groove 210, a top end portion of the seal 20 extends out of the seal groove 210.
Further, a filter member 30 is disposed in the air hole 13. Specifically, the filter member 30 may be disposed at any position of the top end, the bottom end and the middle of the air hole 13 as required, so as to pass through impurities, debris and the like and prevent the impurities, the debris and the like from entering the vacuum generating device. Preferably, the filter member 30 is disposed at the top end of the air hole 13 to prevent debris or the like from entering the air hole 13.
Further, the filter element 30 may be a filter cotton, a sintered filter element, or other filtering device capable of filtering impurities. In this application, the filter member 30 is a sheet material fixedly connected to the fixing member 10 and located at the top end of the air hole 13, and the filter member 30 is provided with a plurality of filter holes.
Further, the top surface of the sealing member 30 has an inwardly inclined sealing surface 22. The sealing surface 22 may be a flat surface, an inclined surface inclined outward, or an inclined surface inclined inward. Preferably, the sealing surface 22 is an inwardly inclined ramp. When the vacuum generating device adsorbs the workpiece, so that the workpiece is attached to the sealing surface 22 of the suction cup body 200, the workpiece can apply an external force to the sealing element 20 to drive the sealing element 20 to deform, and when the sealing element 20 deforms to a certain extent, the sealing surface 22 can completely adhere to the bottom surface of the workpiece, so that the workpiece and the sealing element 20 are in sealing fit. In this application, when the top surface of sealing member 20 is the inclined plane, the work piece is right under the absorptive effect sealing member 20 applys external force, is convenient for sealing member 20 takes place deformation.
As shown in fig. 4, further, at least one deformation groove 23 is provided on the sealing member 20, and the deformation groove 23 is located on a side surface of the sealing member 20 and/or a bottom surface of the sealing member 20. Specifically, a plurality of deformation grooves 23 may be uniformly distributed on the side surface of the sealing member 20, and or the deformation groove 23 is provided on the bottom surface of the sealing member 20. The shape of the deformation groove 23 can be adjusted according to the installation position on the sealing member 20. By providing the deformation groove 23, when an external force is applied to the sealing member 20 through the workpiece, the sealing member 20 is easily deformed by the force.
As shown in fig. 5 and 6, further, the suction structure 100 further includes a buffer groove 220, the buffer groove 220 may be disposed on the suction cup body 200 and/or the sealing member 20, the buffer groove 220 is annular, and when the top end of the sealing member 20 is stressed, the buffer groove 220 provides a deformation space for deformation of the sealing member 20.
When the buffer groove 220 is disposed on the sealing member 20, the bottom surface of the buffer groove 220 is not higher than the top surface of the suction cup body 200.
Preferably, the buffer slot 220 is disposed on the suction cup body 200, the buffer slot 220 is annular, and the buffer slot 220 surrounds the periphery of the sealing member 20, when the sealing member 20 deforms under the action of the workpiece, the buffer slot 220 provides a deformation space for the deformation of the sealing member 20, so that the workpiece can be tightly attached to the top end of the suction cup body 200, and part of the deformation amount of the sealing member 20 can enter the buffer slot 220.
In one embodiment, as shown in fig. 7, the buffer slot 220 is a bevel disposed at the top edge of the sealing slot 210.
As shown in fig. 8, in an embodiment, the buffer slot 220 includes a buffer plane 221 and a buffer inclined plane 222, the buffer plane 221 is close to the sealing member 20 and is located at an inner side of the buffer inclined plane 222, the buffer plane 221 and the buffer inclined plane 222 cooperate to form the buffer slot 220 recessed downward, the sealing member 20 can not only deform into the buffer slot 220, but also the buffer slot 220 can be used to accommodate some debris. When the work piece needs to be adsorbed on the sucking disc body 200, it is firstly right the sucking disc body 200 cleans, will tiny piece is accomodate on the sucking disc body 200 and is entered into in the dashpot 220, guarantee the level and smooth of sucking disc body 200 top surface for the work piece can closely laminate sucking disc body 200.
Further, a supporting portion 24 is arranged at the top end of the sealing member 20, the supporting portion 24 and the sealing member 20 are integrally formed, the top end portion of the supporting portion 24 extends out of the sealing groove 210 and is used for supporting the workpiece, when the workpiece is tightly attached to the top surface of the suction cup body 200, the workpiece drives the supporting portion 24 to deform, and the sealing member 20 is in sealing fit with the workpiece through the supporting portion 24.
Further, a avoiding plane 241 is arranged at the bottom of the abutting portion 24, the avoiding plane 241 is located on the inner side of the buffering plane 221, and the position of the avoiding plane 241 is not higher than the position of the buffering plane 221. Specifically, when the sealing member 20 is not subjected to an external force, the position of the avoiding plane 241 is the same as the position of the buffering plane 221, or is lower than the position of the buffering plane 221, or the avoiding plane 241 does not extend out of the sealing groove 210. When the workpiece presses down the sealing element 20, the sealing element 20 deforms to be closely attached to the workpiece, meanwhile, the sealing element 20 also deforms into the sealing groove 210, and the avoiding plane 241 also moves into the sealing groove 210. If the position of the avoiding plane 241 is higher than the buffering plane 221, the stress of the sealing element 20 is deformed toward the direction of the buffering groove 220, which is not favorable for the movement of the buffering element 20 toward the sealing groove 210 and the complete attachment of the workpiece to the top surface of the sucker body 200.
As shown in fig. 9, in an embodiment, a buffer structure 40 is further disposed in the sealing groove 210, the buffer structure 40 is fixed below the sealing element 20 and attached to the bottom surface of the sealing groove 210, and when the sealing element 20 is stressed, the sealing element 20 applies an external force to the buffer structure 40, so as to further buffer the force through the buffer structure 40.
In this embodiment, the buffer structure 40 is at least one sealing gasket, and at least one sealing gasket is located between the bottom surface of the sealing member 20 and the bottom surface of the sealing groove 210. Specifically, the sealing gaskets are sleeved on the outer side of the fixing member 10, and when the buffering structure 40 includes a plurality of sealing gaskets, the plurality of sealing gaskets are stacked.
In the present application, the sealing element 20 and the sealing gasket are made of rubber material, and can deform when subjected to an external force.
The present invention can be designed in various embodiments and variations without departing from the broad spirit and scope of the present invention, and the above-described embodiments are used to explain the present invention, but do not limit the scope of the present invention.
Claims (10)
1. The sucking structure of the sucking disc is fixed on the sucking disc body, the sucking structure comprises a fixing piece and a sealing piece, a sealing groove is arranged on the sucking disc body, the sealing piece is arranged in the sealing groove and is fixed through the fixing piece,
the top end of the sealing element extends out of the sealing groove and is in sealing fit with a workpiece placed on the sucker body;
the sucking disc body and/or be provided with the dashpot on the sealing member, the sealing member can to the dashpot takes place deformation.
2. The suction structure of a suction cup according to claim 1, wherein the buffer groove is provided on the suction cup body on a peripheral side of the seal member.
3. The suction structure of suction cup according to claim 2, wherein said buffer groove includes a buffer flat surface and a buffer inclined surface, said buffer flat surface being adjacent to said sealing member and being located inside said buffer inclined surface.
4. The suction structure of the suction cup according to claim 3, wherein the sealing member is provided with a butting portion and is in sealing engagement with the workpiece through the butting portion, the bottom of the butting portion is provided with a avoiding plane, the avoiding plane is located on the inner side of the buffering plane, and the avoiding plane is located at a position not higher than the buffering plane.
5. The suction structure of claim 1, wherein the sealing member is disposed on an outer side of the fixing member, and the fixing member is provided with an air hole penetrating through the fixing member.
6. The suction structure of claim 5, wherein the fixing member includes a fixing portion and a pressing portion, and a connecting groove is provided in the sealing member, the fixing portion passes through the connecting groove to be fixedly connected to the suction cup body, and a bottom surface of the connecting groove is pressed by the pressing portion to fix the sealing member in the sealing groove.
7. The suction structure of claim 6, wherein a buffer structure is further disposed in the sealing groove, and the buffer structure is fixed under the sealing member and attached to the bottom surface of the sealing groove.
8. The suction structure of claim 7, wherein said buffer structure is at least one sealing gasket, at least one sealing gasket being located between a bottom surface of said sealing member and a bottom surface of said sealing groove.
9. The suction structure of suction cup according to claim 1, wherein the top surface of said sealing member has a sealing surface inclined inward.
10. The suction structure of a suction cup according to claim 1 or 3, wherein the sealing member is provided with at least one deformation groove at a side surface of the sealing member and/or a bottom surface of the sealing member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220933052.4U CN217050638U (en) | 2022-04-21 | 2022-04-21 | Suction structure of suction cup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220933052.4U CN217050638U (en) | 2022-04-21 | 2022-04-21 | Suction structure of suction cup |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217050638U true CN217050638U (en) | 2022-07-26 |
Family
ID=82473816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220933052.4U Active CN217050638U (en) | 2022-04-21 | 2022-04-21 | Suction structure of suction cup |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217050638U (en) |
-
2022
- 2022-04-21 CN CN202220933052.4U patent/CN217050638U/en active Active
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