CN219258863U - Suction mechanism and suction device - Google Patents
Suction mechanism and suction device Download PDFInfo
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- CN219258863U CN219258863U CN202223325929.0U CN202223325929U CN219258863U CN 219258863 U CN219258863 U CN 219258863U CN 202223325929 U CN202223325929 U CN 202223325929U CN 219258863 U CN219258863 U CN 219258863U
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- adsorption cavity
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model discloses a suction mechanism and a suction device, wherein the suction mechanism comprises a sucker body and a connecting structure, wherein one side of the sucker body is provided with a suction cavity and a plurality of limiting pieces, the suction cavity is provided with an opening, and the limiting pieces are wound around the opening; the connecting structure is connected with one side of the sucker body, which is far away from the limiting piece; a ventilation channel is arranged in the connecting structure; one end of the connecting structure extends into the adsorption cavity, and the other end of the connecting structure is used for connecting with the air supply structure; one end of the connecting structure extending into the adsorption cavity is provided with a plurality of air blowing holes along the circumferential direction of the connecting structure, and the air blowing channel is communicated with the plurality of air blowing holes. According to the technical scheme, the air blowing holes blow air into the adsorption cavity, so that positive pressure air rapidly flows to the outside of the connecting structure, the middle part of the adsorption cavity is subjected to negative pressure phenomenon, and the flexible circuit board is adsorbed; the sucker body does not need to be in direct contact with the flexible circuit board, the requirement on the flatness of the flexible circuit board is low, and the sucking success rate can be improved.
Description
Technical Field
The utility model relates to the field of electronic equipment production, in particular to a suction mechanism and a suction device.
Background
With the development of technology, small-sized liquid crystal display screens are applied to various small-sized electronic devices; in the production process, the liquid crystal display screen needs to be assembled and attached to the semi-finished product, wherein the flexible circuit board needs to be sucked and conveyed to be assembled and attached to the screen, the upper cover and the like.
At present, a vacuum sucker is adopted as an execution structure for sucking a flexible circuit board, the vacuum sucker is contacted with the surface of the flexible circuit board to enable the flexible circuit board to be adsorbed on the sucker, and air in the sucker is pumped away through a vacuumizing device to enable a cavity between the sucker and the circuit board to form a vacuum state; the air pressure inside the sucker is lower than the atmospheric pressure outside the sucker, and the flexible circuit board is sucked up under the action of the external pressure; the higher the vacuum degree inside the sucker, the tighter the adhesion between the sucker and the flexible circuit board. Because the flexible circuit board is easy to deform, when the deformation is serious, the failure rate of sucking the flexible circuit board by the vacuum chuck is high; the adoption of the vacuum chuck has the problems of high requirement on the flatness of the flexible circuit board and lower suction success rate.
Disclosure of Invention
The utility model mainly aims to provide a suction mechanism, and aims to solve the problems that the existing suction structure has high requirement on the flatness of a flexible circuit board and has low suction success rate.
In order to achieve the above object, the suction mechanism provided by the present utility model includes:
one side of the sucker body is provided with an adsorption cavity and a plurality of limiting pieces, the adsorption cavity is provided with an opening, and the limiting pieces are wound around the opening;
the connecting structure is connected with one side of the sucker body, which is far away from the limiting piece; a ventilation channel is arranged in the connecting structure; one end of the connecting structure extends into the adsorption cavity, and the other end of the connecting structure is used for connecting with the air supply structure; the connecting structure stretches into the one end of adsorbing the chamber is equipped with a plurality of gas blowing holes, and is a plurality of the gas blowing holes is followed connecting structure's circumference sets up, the passageway of ventilating with a plurality of the gas blowing hole intercommunication.
Preferably, a first connecting part is arranged at one end of the connecting structure extending into the adsorption cavity, and the first connecting part extends into the sucker body and is fixedly connected with the sucker body; the side of the first connecting part is wound with a plurality of air blowing holes.
Preferably, the connecting structure comprises a connecting rod and an air guide column, and the ventilation channel is arranged in the connecting rod; the air guide column is provided with a groove, one end of the connecting rod is fixedly connected with the sucker body, and the groove is communicated with the ventilation channel and a plurality of air blowing holes.
Preferably, the first connection part is located at a side surface of the air guide post; the inner wall of the adsorption cavity is provided with a second connecting part; the first connecting part is detachably connected with the second connecting part; the groove is communicated with the upper part of the adsorption cavity, and the upper part of the adsorption cavity is communicated with the ventilation channel.
Preferably, the first connecting part comprises external threads arranged on the side surface of the air guide column, the second connecting part comprises internal threads arranged on the inner wall of the adsorption cavity, and the first connecting part and the second connecting part are in threaded connection; the air blowing holes are positioned on one side of the air guide column, which is close to the limiting piece.
Preferably, the limiting piece comprises a limiting column, one end of the limiting column is connected with the sucker body, and a column cap is arranged at the other end of the limiting column.
Preferably, one side of the sucker body, which is far away from the connecting structure, is provided with a plurality of mounting holes, and the limiting column is in interference fit with the mounting holes; or alternatively, the first and second heat exchangers may be,
the sucking disc body is kept away from one side of connection structure is equipped with a plurality of mounting holes, spacing post with mounting hole threaded connection.
Preferably, the sucker body and the connecting structure are made of polyether-ether-ketone materials, and/or,
the limiting piece is made of rubber materials.
The utility model also provides a suction device which comprises the suction mechanism and a gas supply structure, wherein the gas supply structure is connected with one end, far away from the sucker body, of the connecting structure.
Preferably, the suction device further comprises a driving structure, which is connected with the connecting structure.
According to the technical scheme, the sucker body is connected with one end of the connecting structure, the other end of the connecting structure is connected with the air supply structure, positive pressure air is input into the ventilation channel through the air supply structure, and the positive pressure air blows the inside of the adsorption cavity through the plurality of air blowing holes; because the plurality of air blowing holes are circumferentially arranged along the connecting structure, positive pressure air rapidly flows to the outside of the connecting structure, so that the air pressure in the middle of the adsorption cavity is lower than the air pressure in the outside, and a negative pressure phenomenon occurs; when the sucker body is close to the surface of the flexible circuit board, the flexible circuit board is sucked up under the action of external pressure; the flexible circuit board is propped against the limiting piece after being sucked up, and a certain gap is formed between the flexible circuit board and the sucker body by the limiting piece, and the gap is used for passing positive pressure gas; the air supply structure continuously supplies air, the middle part of the adsorption cavity is continuously in a negative pressure state, the adsorption force is stable, and the situation that products fall and break due to the fact that the flexible circuit board is not adsorbed in place can be avoided; in addition, the sucker body does not need to be in direct contact with the flexible circuit board, the requirement on the flatness of the flexible circuit board is low, and the suction success rate can be improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of an embodiment of a suction mechanism of the present utility model.
FIG. 2 is a schematic cross-sectional view of the structure at A-A in FIG. 1.
Fig. 3 is a schematic view of an exploded structure of an embodiment of the suction mechanism of the present utility model.
Fig. 4 is a schematic structural view of an embodiment of the suction mechanism of the present utility model.
Fig. 5 is a schematic structural view of an embodiment of the suction mechanism of the present utility model.
Reference numerals illustrate:
| reference numerals | Name of the name | Reference numerals | Name of the |
| 1 | |
21 | Connecting |
| 11 | |
211 | |
| 12 | Limiting |
22 | |
| 121 | |
221 | |
| 2 | |
222 | Groove |
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, if a directional indication (such as up, down, left, right, front, and rear … …) is involved in the embodiment of the present utility model, the directional indication is merely used to explain the relative positional relationship, movement condition, etc. between the components in a specific posture, and if the specific posture is changed, the directional indication is correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if "and/or" and/or "are used throughout, the meaning includes three parallel schemes, for example," a and/or B "including a scheme, or B scheme, or a scheme where a and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
The utility model provides a suction mechanism.
Referring to fig. 1 to 5, in an embodiment of the present utility model, the suction mechanism includes a suction cup body 1 and a connection structure 2, wherein one side of the suction cup body 1 is provided with a suction cavity 11 and a plurality of limiting members 12, the suction cavity 11 is provided with an opening, and the plurality of limiting members 12 are wound around the opening; the connecting structure 2 is connected with one side of the sucker body 1 away from the limiting piece 12; the inside of the connecting structure 2 is provided with a ventilation channel 211; one end of the connecting structure 2 extends into the adsorption cavity 11, and the other end of the connecting structure 2 is used for connecting with the air supply structure; the one end that stretches into of connection structure 2 adsorbs chamber 11 is equipped with a plurality of gas holes 221, and a plurality of gas holes 221 set up along connection structure 2's circumference, and the passageway 211 of ventilating communicates with a plurality of gas holes 221.
In the above structure, by connecting the suction cup body 1 with one end of the connection structure 2, the other end of the connection structure 2 is connected with the air supply structure, positive pressure air is input into the ventilation channel 211 through the air supply structure, and the positive pressure air blows the inside of the adsorption cavity 11 through the plurality of air blowing holes 221; because the plurality of air blowing holes 221 are circumferentially arranged along the connecting structure 2, positive pressure air rapidly flows to the outside of the connecting structure 2, so that the air pressure in the middle of the adsorption cavity 11 is lower than that in the outside, and a negative pressure phenomenon occurs; when the sucker body 1 is close to the surface of the flexible circuit board, the flexible circuit board is sucked up under the action of external pressure and external pressure; after being sucked up, the flexible circuit board is propped against the limiting piece 12, and a certain gap is formed between the flexible circuit board and the sucker body 1 by the limiting piece 12, and the gap is used for passing positive pressure gas; if the air supply structure is used for continuously supplying air, the middle part of the adsorption cavity 11 is continuously in a negative pressure state, so that the adsorption force is stable, and the situation that products fall and break due to the fact that the flexible circuit board is not adsorbed in place can be avoided; in addition, the adsorption can be realized only by the contact of the traditional vacuum chuck with the surface of the flexible circuit board, so that the adsorption failure rate of the vacuum chuck is 0.19% -0.25%, and the sucking disc body 1 in the adsorption mechanism is not required to be in direct contact with the flexible circuit board, so that the adsorption effect of the sucking disc body 1 is less influenced by the size of the flexible circuit board, and meanwhile, the requirement on the flatness of the flexible circuit board is lower, even if the difference between the sucking disc body 1 and the flexible circuit board is 3-5 mm, the flexible circuit board can be adsorbed in place, and the adsorption success rate is as high as 99%, so that the adsorption success rate can be improved.
The suction mechanism may be used to suck various thin sheets in the conveying process.
Preferably, a first connecting part is arranged at one end of the connecting structure 2 extending into the adsorption cavity 11, and the first connecting part extends into the sucker body 1 and is fixedly connected with the sucker body 1; the side surface of the first connecting part is wound with a plurality of air blowing holes 221.
In the above structure, one end of the connection structure 2 is connected with the air supply structure, and the other end of the connection structure 2 is connected with the suction cup body 1, so that the ventilation channel 211 is communicated with the suction cavity 11.
Preferably, the connecting structure 2 comprises a connecting rod 21 and an air guiding column 22, and the ventilation channel 211 is arranged in the connecting rod 21; the air guide column 22 is provided with a groove 222, one end of the connecting rod 21 is fixedly connected with the sucker body 1, and the groove 222 is communicated with the ventilation channel 211 and a plurality of air blowing holes 221.
In the above structure, one end of the connecting rod 21 is fixedly connected with the sucker body 1, the ventilation channel 211 is communicated with the groove 222, and the groove 222 is communicated with the plurality of air blowing holes 221; when the gas supply structure supplies gas, positive pressure gas is blown out from the plurality of gas blowing holes 221 after passing through the gas passage 211. In addition, in order to avoid the air leakage at the connection position between the connecting rod 21 and the groove 222, the connecting rod 21 and the air guiding column 22 may be integrally formed, which has the function of improving the connection stability between the connecting rod 21 and the air guiding column 22.
Preferably, the first connection portion is located at a side of the wind guiding post 22; the inner wall of the adsorption cavity 11 is provided with a second connecting part; the first connecting part is detachably connected with the second connecting part; the groove 222 communicates with the upper portion of the adsorption chamber 11, and the upper portion of the adsorption chamber 11 communicates with the ventilation channel 211.
In the above structure, the opening is used for supplying positive pressure gas to flow out, and the air guide column 22 is used for guiding the gas around the connecting piece and flows out to the outside of the sucker body 1 along the inside of the adsorption cavity 11, so that negative pressure appears in the middle of the adsorption cavity 11. Wherein, the connecting rod 21 and the connecting column are separable, one end of the connecting rod 21 is fixedly connected with the sucker body 1, the air guiding column 22 is connected with the inner wall of the adsorption cavity 11, the opening of the groove 222 is propped against the inner wall of the adsorption cavity 11, the groove 222 is communicated with the upper part of the adsorption cavity 11, and the upper part of the adsorption cavity 11 is communicated with the ventilation channel 211.
Preferably, the first connection part comprises external threads arranged on the side surface of the air guide column 22, the second connection part comprises internal threads arranged on the inner wall of the adsorption cavity 11, and the first connection part and the second connection part are in threaded connection; a plurality of air holes 221 are located on one side of the air guiding stud 22 near the limiting member 12.
In the structure, the air guide column 22 is connected with the sucker body 1 through threads, so that the sucker has the advantages of being stable in connection and convenient to assemble and disassemble, and the plurality of air blowing holes 221 are positioned on one side of the external threads, which is close to the adsorption cavity 11, so that positive pressure air is prevented from entering the adsorption cavity 11 through the air blowing holes 221.
Preferably, the limiting piece 12 comprises a limiting column, one end of the limiting column is connected with the sucker body 1, and the other end of the limiting column is provided with a column cap 121; the limiting member 12 is made of rubber material.
In the structure, the limit post protrudes out of one side of the sucker body 1, the flexible circuit board is propped against the post cap 121 of the limit piece 12 after being sucked up, a certain gap is formed between the flexible circuit board and the sucker body 1 by the limit post, positive pressure gas passes through the gap, and the middle air pressure of the adsorption cavity 11 is kept to be negative pressure; the post cap 121 has the area of contact between increase locating part 12 and the flexible line way board, avoids causing the damage to the flexible line way board, and locating part 12 adopts rubber material to make, when sucking up the flexible line way board, and locating part 12 has the cushioning effect, further reduces the damage to the flexible line way board. The rubber material belongs to a conventional high-elasticity material, and can quickly recover deformation under the condition of large deformation.
Preferably, one side of the sucker body 1 far away from the connecting structure 2 is provided with a plurality of mounting holes, and the limiting column is in interference fit with the mounting holes, so that the sucker is convenient to install and replace; or one side of the sucker body 1 far away from the connecting structure 2 is provided with a plurality of mounting holes, and the limit column is in threaded connection with the mounting holes (not shown in the figure). In the structure, through the knob spacing post, the protruding length of adjustable spacing post, and then the clearance width between adjustable flexible line way board and the sucking disc body 1, under the condition that clearance accessible malleation gas, the clearance is less, then sucking disc structure is to the greater of flexible line way board suction.
Preferably, the sucker body 1 and the connecting structure 2 are both made of polyether-ether-ketone materials. The polyether ether ketone (PEEK) material is a polymer composed of a repeating unit having one ketone bond and two ether bonds in the main chain structure. In the structure, the polyether-ether-ketone (PEEK) material has an antistatic effect; static electricity easily causes static electricity adsorption to the flexible circuit board, and dust particles with larger static electricity adsorption particle size easily cause scrapping of the flexible circuit board; secondly, electrostatic discharge is generated, so that the flexible circuit board is broken down, and even if the flexible circuit board is subjected to electrostatic attack, the flexible circuit board cannot be damaged immediately, but the use reliability of the flexible circuit board is reduced; therefore, the sucker body 1 and the connecting structure 2 are made of polyether-ether-ketone materials, so that the reliability of the sucking structure in sucking and processing the flexible circuit board can be improved.
According to the technical scheme, the sucker body 1 is connected with one end of the connecting structure 2, the other end of the connecting structure 2 is connected with the air supply structure, positive pressure air is input into the ventilation channel 211 through the air supply structure, and the positive pressure air blows the inside of the adsorption cavity 11 through the plurality of air blowing holes 221; because the plurality of air blowing holes 221 are circumferentially arranged along the connecting structure 2, positive pressure air rapidly flows to the outside of the connecting structure 2, so that the air pressure in the middle of the adsorption cavity 11 is lower than that in the outside, and a negative pressure phenomenon occurs; when the sucker body 1 is close to the surface of the flexible circuit board, the flexible circuit board is sucked up under the action of external pressure; after being sucked up, the flexible circuit board is propped against the limiting piece 12, and a certain gap is formed between the flexible circuit board and the sucker body 1 by the limiting piece 12, and the gap is used for passing positive pressure gas; if the air supply structure is used for continuously supplying air, the middle part of the adsorption cavity 11 is continuously in a negative pressure state, so that the adsorption force is stable, and the situation that products fall and break due to the fact that the flexible circuit board is not adsorbed in place can be avoided; in addition, the sucker body 1 does not need to be in direct contact with the flexible circuit board, the requirement on the flatness of the flexible circuit board is low, and the suction success rate can be improved.
The utility model also provides a suction device, which comprises a suction mechanism, and the specific structure of the suction mechanism refers to the embodiment, and because the suction device adopts all the technical schemes of all the embodiments, the suction device at least has all the beneficial effects brought by the technical schemes of the embodiments, and the detailed description is omitted. Wherein, suction means still includes the air feed structure, and the air feed structure is connected with the one end that keeps away from sucking disc body 1 of connection structure 2.
In the above configuration, the gas supply structure supplies positive pressure gas to the ventilation passage 211, and the positive pressure gas blows the inside of the adsorption chamber 11 through the plurality of gas blowing holes 221.
Preferably, the suction device further comprises a driving structure, which is connected to the connecting structure 2. In the structure, the driving structure comprises the telescopic cylinder and the mechanical arm, the mechanical arm is connected with the telescopic cylinder, and a rod piece of the telescopic cylinder is connected with the connecting structure 2 and is used for driving the suction mechanism to move in a telescopic way so as to be far away from or close to the flexible circuit board; for example, the telescopic cylinder drives the suction mechanism to be close to the flexible circuit board, and after the flexible circuit board is sucked, the mechanical arm drives the suction mechanism to move to the assembly station, so that the flexible circuit board and other devices are assembled in a combined mode.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (10)
1. A suction mechanism, comprising:
one side of the sucker body is provided with an adsorption cavity and a plurality of limiting pieces, the adsorption cavity is provided with an opening, and the limiting pieces are wound around the opening;
the connecting structure is connected with one side of the sucker body, which is far away from the limiting piece; a ventilation channel is arranged in the connecting structure; one end of the connecting structure extends into the adsorption cavity, and the other end of the connecting structure is used for connecting with the air supply structure; the connecting structure stretches into the one end of adsorbing the chamber is equipped with a plurality of gas blowing holes, and is a plurality of the gas blowing holes is followed connecting structure's circumference sets up, the passageway of ventilating with a plurality of the gas blowing hole intercommunication.
2. The suction mechanism as claimed in claim 1, wherein a first connecting portion is provided at an end of the connecting structure extending into the suction chamber, the first connecting portion extending into the suction cup body and being fixedly connected with the suction cup body; the side of the first connecting part is wound with a plurality of air blowing holes.
3. The suction means of claim 2, wherein the connection structure comprises a connecting rod and an air guiding post, the air passage being provided in the connecting rod; the air guide column is provided with a groove, one end of the connecting rod is fixedly connected with the sucker body, and the groove is communicated with the ventilation channel and a plurality of air blowing holes.
4. A suction device according to claim 3, wherein the first connection is located on a side of the air guide post; the inner wall of the adsorption cavity is provided with a second connecting part; the first connecting part is detachably connected with the second connecting part; the groove is communicated with the upper part of the adsorption cavity, and the upper part of the adsorption cavity is communicated with the ventilation channel.
5. The suction means of claim 4, wherein the first connection part comprises external threads provided at a side surface of the air guide post, the second connection part comprises internal threads provided at an inner wall of the suction chamber, and the first connection part and the second connection part are screw-connected; the air blowing holes are positioned on one side of the air guide column, which is close to the limiting piece.
6. Suction means according to any one of claims 1 to 5, characterized in that the limit piece comprises a limit post, one end of which is connected to the suction cup body, the other end of which is provided with a cap.
7. The suction mechanism as recited in claim 6, wherein a plurality of mounting holes are formed in a side of the sucker body away from the connecting structure, and the limit posts are in interference fit with the mounting holes; or alternatively, the first and second heat exchangers may be,
the sucking disc body is kept away from one side of connection structure is equipped with a plurality of mounting holes, spacing post with mounting hole threaded connection.
8. Suction means according to any one of claims 1 to 5, characterized in that the suction cup body and the connecting structure are made of polyetheretherketone material and/or,
the limiting piece is made of rubber materials.
9. Suction device, characterized by comprising a suction means according to any one of claims 1 to 8, and further comprising a gas supply structure connected to an end of the connection structure remote from the suction cup body.
10. The suction device as set forth in claim 9, further comprising a driving structure connected to the connecting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223325929.0U CN219258863U (en) | 2022-12-09 | 2022-12-09 | Suction mechanism and suction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223325929.0U CN219258863U (en) | 2022-12-09 | 2022-12-09 | Suction mechanism and suction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219258863U true CN219258863U (en) | 2023-06-27 |
Family
ID=86868850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223325929.0U Active CN219258863U (en) | 2022-12-09 | 2022-12-09 | Suction mechanism and suction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219258863U (en) |
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2022
- 2022-12-09 CN CN202223325929.0U patent/CN219258863U/en active Active
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