CN212194206U - Vacuum pressure maintaining bubble removing mechanism - Google Patents
Vacuum pressure maintaining bubble removing mechanism Download PDFInfo
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- CN212194206U CN212194206U CN202020686774.5U CN202020686774U CN212194206U CN 212194206 U CN212194206 U CN 212194206U CN 202020686774 U CN202020686774 U CN 202020686774U CN 212194206 U CN212194206 U CN 212194206U
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- pressure head
- fixing column
- pressing piece
- removing mechanism
- bubble removing
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Abstract
The utility model relates to a pressurize removes bubble technical field, specifically discloses a vacuum pressurize removes bubble mechanism for get rid of the bubble between work piece and the film, it includes: a pressure head fixing column; the pressing piece sleeve is sleeved outside the pressing head fixing column, an air suction hole is formed in the side face of the pressing piece sleeve, and the bottom of the pressing piece sleeve is of an opening structure; the sealing ring is positioned above the air suction hole and used for sealing a gap between the outer side of the pressure head fixing column and the inner side of the pressing piece sleeve; the sealing gasket ring is connected to the bottom of the pressing piece sleeve and is used for being attached to the workpiece; and one end of the rubber coating pressure head is connected with the pressure head fixing column, and the other end of the rubber coating pressure head extends to the position below the pressure head fixing column so as to compress the film. The utility model provides a vacuum pressurize removes bubble mechanism can get rid of the bubble between work piece and the film automatically, improves production efficiency.
Description
Technical Field
The utility model relates to a pressurize removes bubble technical field, especially relates to a vacuum pressurize removes bubble mechanism.
Background
Many optical devices such as lenses require a thin film such as a protective film to be attached to the surface of a work such as glass. The most common defect of the film pasting process is that bubbles exist between a workpiece and a film, and in order to avoid the influence of the bubbles on subsequent processes, the bubble removing operation is often performed after the film pasting. At present, the bubble removing operation is mainly carried out manually, and the efficiency is low.
Therefore, it is required to develop a bubble removing apparatus to improve production efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a vacuum pressurize removes bubble mechanism can get rid of the bubble between work piece and the film automatically, improves production efficiency.
For reaching above purpose, the utility model provides a vacuum pressurize removes bubble mechanism for get rid of the bubble between work piece and the film, it includes:
a pressure head fixing column;
the pressing piece sleeve is sleeved outside the pressing head fixing column, an air suction hole is formed in the side face of the pressing piece sleeve, and the bottom of the pressing piece sleeve is of an opening structure;
the sealing ring is positioned above the air suction hole and used for sealing a gap between the outer side of the pressure head fixing column and the inner side of the pressing piece sleeve;
the sealing gasket ring is connected to the bottom of the pressing piece sleeve and is used for being attached to the workpiece;
and one end of the rubber coating pressure head is connected with the pressure head fixing column, and the other end of the rubber coating pressure head extends to the position below the pressure head fixing column so as to compress the film.
Preferably, the method further comprises the following steps:
the fixing ring is positioned above the pressing piece sleeve and is fixedly arranged relative to the pressing head fixing column;
the upper end of the guide pillar is fixedly connected with the fixing ring, and the lower end of the guide pillar is connected with the pressing piece sleeve in a vertically sliding mode;
the first buffer spring is sleeved outside the guide pillar and positioned between the fixing ring and the pressing piece sleeve.
Preferably, the method further comprises the following steps:
and the lower end of the connecting seat penetrates through the fixing ring and is fixedly connected with the top of the pressure head fixing column.
Preferably, the pressure head fixed column is equipped with the ladder spout that link up from top to bottom, the rubber coating pressure head with sliding connection about the ladder spout, vacuum pressurize removes bubble mechanism still includes:
and the second buffer spring is positioned between the rubber coating pressure head and the connecting seat and is used for driving the rubber coating pressure head to slide downwards.
Preferably, the method further comprises the following steps:
the pressure head fixing column is provided with a bolt hole extending from bottom to top, a threaded hole is formed in the position, corresponding to the bolt hole, of the connecting seat, and the fastening bolt penetrates through the bolt hole and is in threaded connection with the threaded hole.
Preferably, the bottom of the encapsulation pressure head is provided with a soft cushion rubber.
Preferably, the bottom of the soft cushion rubber is an arc surface protruding downwards.
Preferably, the inner wall of the gasket ring is provided with an annular groove which is recessed along the radial direction, and the pressing member sleeve is provided with an annular boss which is embedded into the annular groove.
Preferably, the method further comprises the following steps:
and the air pumping port of the vacuum pumping equipment is communicated with the air pumping hole.
The beneficial effects of the utility model reside in that: the utility model provides a vacuum pressurize removes bubble mechanism, place the below that removes bubble mechanism at vacuum pressurize earlier with the work piece that pastes the film, then whole vacuum pressurize removes bubble mechanism and moves down, the bottom surface of sealed backing ring is closely laminated with the work piece at last, the telescopic open structure of casting die is the closing cap, the sealing washer at this moment, the telescopic inboard of casting die, form a airtight cavity between the outside of pressure head fixed column and the work piece, the film then is arranged in airtight cavity, and the rubber coating pressure head sticiss the film on the work piece, it can make the atmospheric pressure of airtight cavity reduce to bleed from the extraction opening, in low pressure environment, the gas between work piece and the film can be automatic outer arranging, thereby reach the mesh of detaching the bubble, and then improve production efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic top view of a vacuum bubble-removing mechanism according to an embodiment;
FIG. 2 is a schematic bottom structure diagram of a vacuum pressure-maintaining bubble-removing mechanism according to an embodiment;
FIG. 3 is a schematic diagram of a half-sectional structure of a vacuum pressure maintaining bubble removing mechanism according to an embodiment;
fig. 4 is a schematic position diagram of the vacuum pressure-maintaining bubble-removing mechanism and the workpiece according to the embodiment.
In the figure:
1. a workpiece;
2. a film;
3. air bubbles;
4. a pressure head fixing column; 401. bolt holes;
5. a pressing piece sleeve; 501. an air exhaust hole; 502. sealing the cavity; 503. an annular boss;
6. a seal ring;
7. a sealing gasket ring;
8. encapsulating a rubber pressing head; 801. soft cushion rubber; 8011. an arc-shaped face;
9. a fixing ring;
10. a guide post;
11. a first buffer spring;
12. a connecting seat; 1201. a threaded hole;
13. a second buffer spring.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention are clearly and completely described with reference to the drawings in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.
Furthermore, the terms "long", "short", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of describing the present invention, but do not indicate or imply that the device or element referred to must have the specific orientation, operate in the specific orientation configuration, and thus, should not be construed as limiting the present invention.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Referring to fig. 1 to 4, the present embodiment provides a vacuum pressure-maintaining bubble removing mechanism for removing bubbles 3 between a workpiece 1 and a film 2, which includes a pressing head fixing column 4, a pressing piece sleeve 5, a sealing ring 6, a sealing gasket ring 7 and an encapsulating pressing head 8.
The pressing part sleeve 5 is sleeved outside the pressing head fixing column 4, an air suction hole 501 is formed in the side face of the pressing part sleeve, and the bottom of the pressing part sleeve is of an open structure. The sealing ring 6 is located above the pumping hole 501 and is used for sealing a gap between the outer side of the pressure head fixing column 4 and the inner side of the pressing piece sleeve 5. The sealing gasket ring 7 is connected to the bottom of the pressing member sleeve 5 and is used for being attached to the workpiece 1. One end of the rubber coating pressure head 8 is connected with the pressure head fixing column 4, and the other end of the rubber coating pressure head extends to the position below the pressure head fixing column 4 so as to compress the film 2.
The vacuum pressure maintaining bubble removing mechanism provided by the embodiment is characterized in that a workpiece 1 attached with a film 2 is placed below the vacuum pressure maintaining bubble removing mechanism, then the whole vacuum pressure maintaining bubble removing mechanism moves downwards, finally the bottom surface of a sealing backing ring 7 is tightly attached to the workpiece 1, an opening structure of a pressing piece sleeve 5 is sealed, a sealing ring 6, the inner side of the pressing piece sleeve 5, the outer side of a pressing head fixing column 4 and the workpiece 1 form a closed cavity 502 at the moment, the film 2 is located in the closed cavity 502, the film 2 is tightly pressed on the workpiece 1 by an encapsulation pressing head 8, air pressure in the closed cavity 502 can be reduced by pumping air from an air pumping hole 501, and in a low-pressure environment, air between the workpiece 1 and the film 2 can be automatically discharged outwards, so that the purpose of removing bubbles 3 is achieved, and production efficiency is improved.
It will be appreciated that the encapsulation ram 8 compresses the membrane 2, which on the one hand prevents displacement of the membrane 2 relative to the workpiece 1 and on the other hand pushes the bubbles 3 outwards, increasing the rate at which the bubbles 3 are removed.
It should be noted that different films 2 differ in thickness, and therefore, if the distance between the bottom surface of the encapsulation ram 8 and the bottom surface of the gasket ring 7 is adjustable, the utility of the vacuum pressure maintaining debubbling mechanism can be greatly improved. As an alternative embodiment, the ram fixing post 4 can slide up and down relative to the pressing sleeve 5. The vacuum pressure maintaining bubble removing mechanism further comprises a fixing ring 9, a guide post 10 and a first buffer spring 11. The fixing ring 9 is located above the pressing piece sleeve 5 and is fixedly arranged relative to the pressing head fixing column 4. The upper end of the guide post 10 is fixedly connected with the fixing ring 9, and the lower end is connected with the pressing piece sleeve 5 in a vertically sliding manner. The first buffer spring 11 is sleeved outside the guide post 10 and located between the fixing ring 9 and the pressing piece sleeve 5.
In this embodiment, the pressing member sleeve 5 can slide up and down along the guide post 10, so that the distance between the bottom surface of the encapsulated pressing head 8 and the bottom surface of the gasket ring 7 can be adjusted. Specifically, at the beginning, the length of the first buffer spring 11 is longer, and the distance between the bottom surface of the rubber coating pressure head 8 and the bottom surface of the sealing gasket ring 7 is larger; and then the pressing part sleeve 5 moves downwards, the sealing gasket ring 7 stops moving after meeting the workpiece 1, the pressing part sleeve 5 stops sliding downwards along with the pressing part sleeve, the pressing head fixing column 4 continues to slide downwards along with the fixing ring 9, the length of the first buffer spring 11 is shortened, the distance between the bottom surface of the encapsulation pressing head 8 and the bottom surface of the sealing gasket ring 7 is gradually reduced until the bottom surface of the encapsulation pressing head 8 is contacted with the thin film 2, and the encapsulation pressing head 8 tightly presses the thin film 2 on the workpiece 1.
It should be noted that the first buffer spring 11 facilitates the return of the presser sleeve 5; secondly, the sealing gasket ring 7 can be tightly pressed on the workpiece 1, so that sealing is facilitated; and thirdly, the vertical movement of the pressing piece sleeve 5 can be buffered, and the pressing piece sleeve 5 is prevented from crushing the workpiece 1.
Optionally, the vacuum pressure maintaining and bubble removing mechanism further comprises a connecting seat 12, the connecting seat 12 is located above the fixing ring 9, and the lower end of the connecting seat penetrates through the fixing ring 9 and is fixedly connected with the top of the pressure head fixing column 4.
Specifically, the top of the connecting seat 12 may be connected to the driving end of a driving device such as an air cylinder, for example, when the driving end of the air cylinder is extended, the vacuum pressure maintaining bubble removing mechanism may move downward to press the workpiece 1.
In this embodiment, the pressure head fixing column 4 is provided with a step chute which is through from top to bottom, and the rubber coating pressure head 8 is connected with the step chute in a sliding manner from top to bottom. The vacuum pressure maintaining bubble removing mechanism further comprises a second buffer spring 13, and the second buffer spring 13 is located between the rubber coating pressure head 8 and the connecting seat 12 and used for driving the rubber coating pressure head 8 to slide downwards.
Specifically, the second buffer spring 13 is convenient for resetting the rubber coating pressure head 8; secondly, the film 2 can be tightly pressed on the workpiece 1, which is beneficial to discharging the air bubbles 3; and thirdly, the vertical movement of the encapsulation pressing head 8 can be buffered, and the encapsulation pressing head 8 is prevented from crushing the film 2 or the workpiece 1.
Further, the vacuum pressure maintaining and bubble removing mechanism further comprises a fastening bolt, the pressure head fixing column 4 is provided with a bolt hole 401 extending from bottom to top, a threaded hole 1201 is formed in a position, corresponding to the bolt hole 401, of the connecting seat 12, and the fastening bolt penetrates through the bolt hole 401 and is in threaded connection with the threaded hole 1201.
It will be appreciated that the fastening bolts may facilitate the detachable connection of the connecting socket 12 and the ram fixing post 4.
Preferably, the bottom of the encapsulation pressure head 8 is provided with a soft cushion rubber 801. Further, the soft rubber pad can be a rubber pad, a foam pad or a silica gel pad.
Specifically, the soft rubber pad has a certain buffering effect, is soft in material, and is not easy to damage the film 2 and the workpiece 1.
Optionally, the bottom of the soft cushion rubber 801 is an arc-shaped surface 8011 protruding downwards.
It will be appreciated that the downwardly projecting arcuate surface 8011 may enhance the compression of the encapsulation ram 8 against the membrane 2, enhancing the compression effect. Moreover, the top of part of the workpiece 1 is provided with a lower groove, and the arc surface 8011 is just embedded into the lower groove, so that the pressing effect between the workpiece 1 and the film 2 at the lower groove is ensured.
In this embodiment, the inner wall of the gasket ring 7 is provided with an annular groove recessed in the radial direction, and the pressing member sleeve 5 is provided with an annular boss 503 embedded in the annular groove.
It will be appreciated that the engagement of the annular groove and the annular projection 503 may limit the vertical orientation of the follower sleeve 5 and the gasket ring 7 to prevent them from disengaging.
Preferably, the vacuum pressure maintaining and bubble removing mechanism further comprises a vacuum pumping device, and a pumping port of the vacuum pumping device is communicated with the pumping hole 501 so as to perform vacuum pumping on the sealed cavity 502. Preferably, the vacuum pumping device is a vacuum pump or a low-pressure pipeline.
At the beginning, the workpiece 1 is located below the vacuum pressure maintaining and bubble removing mechanism, the film 2 is attached to the top of the workpiece 1, and the size of the film 2 is smaller than the size of the inner ring of the gasket ring 7 (so that the gasket ring 7 can be ensured to enclose the film 2, so that the whole film 2 is located in the closed cavity 502 in the following process). The working process of the vacuum pressure maintaining bubble removing mechanism provided by the embodiment is as follows:
firstly, driving mechanisms such as an air cylinder and the like drive a vacuum pressure maintaining bubble removing mechanism to move downwards;
secondly, after the sealing gasket ring 7 meets the workpiece 1, the sealing gasket ring 7 and the pressing piece sleeve 5 stop descending, and the driving mechanism drives the fixing ring 9, the guide pillar 10, the rubber coating pressing head 8, the pressing head fixing block and the like to continue descending; at the moment, the first buffer spring 11 is compressed, so that the sealing gasket ring 7 is tightly pressed on the workpiece 1 to form a closed cavity 502;
starting the vacuum-pumping equipment, reducing the air pressure in the closed cavity 502, stopping the rubber coating pressure head 8 from descending after meeting the thin film 2, driving the fixing ring 9, the guide pillar 10, the pressure head fixing block and the like to continuously move downwards for a certain distance by the driving mechanism, and stopping the driving mechanism when the limiting position is reached; at the moment, the first buffer spring and the second buffer spring are compressed, so that the encapsulation pressure head 8 is tightly pressed on the film 2;
after a certain time, the gas between the film 2 and the workpiece 1 is pumped out, and the bubbles 3 are removed.
The vacuum pressure maintaining and bubble removing mechanism provided by the embodiment has the following advantages:
(1) the surface of the workpiece 1 is utilized to form the closed cavity 502, a vacuum chamber which can put the whole workpiece 1 in is not required to be provided, and the size of the equipment is greatly reduced;
(2) because the volume of the vacuum pressure maintaining bubble removing mechanism is very small, a plurality of vacuum pressure maintaining bubble removing mechanisms can be arranged below one driving device, namely, each film 2 is correspondingly provided with one vacuum pressure maintaining bubble removing mechanism, the multi-head arrangement can greatly improve the working efficiency, and because of the design of the first buffer spring 11 and the second buffer spring 13, each vacuum pressure maintaining bubble removing mechanism can tightly press the workpiece 1 and the film 2;
(3) the bottom of the encapsulation pressure head 8 is provided with an arc-shaped surface 8011 which can not only compress the film 2, but also be matched with a lower groove and the like.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (9)
1. The utility model provides a vacuum pressure maintaining removes bubble mechanism for get rid of the bubble between work piece and the film, its characterized in that includes:
a pressure head fixing column;
the pressing piece sleeve is sleeved outside the pressing head fixing column, an air suction hole is formed in the side face of the pressing piece sleeve, and the bottom of the pressing piece sleeve is of an opening structure;
the sealing ring is positioned above the air suction hole and used for sealing a gap between the outer side of the pressure head fixing column and the inner side of the pressing piece sleeve;
the sealing gasket ring is connected to the bottom of the pressing piece sleeve and is used for being attached to the workpiece;
and one end of the rubber coating pressure head is connected with the pressure head fixing column, and the other end of the rubber coating pressure head extends to the position below the pressure head fixing column so as to compress the film.
2. The vacuum pressure-maintaining bubble removing mechanism according to claim 1, further comprising:
the fixing ring is positioned above the pressing piece sleeve and is fixedly arranged relative to the pressing head fixing column;
the upper end of the guide pillar is fixedly connected with the fixing ring, and the lower end of the guide pillar is connected with the pressing piece sleeve in a vertically sliding mode;
the first buffer spring is sleeved outside the guide pillar and positioned between the fixing ring and the pressing piece sleeve.
3. The vacuum pressure-maintaining bubble removing mechanism according to claim 2, further comprising:
and the lower end of the connecting seat penetrates through the fixing ring and is fixedly connected with the top of the pressure head fixing column.
4. The vacuum pressure maintaining and bubble removing mechanism according to claim 3, wherein the ram fixing post is provided with a step chute which is vertically communicated, the encapsulated ram is vertically and slidably connected with the step chute, and the vacuum pressure maintaining and bubble removing mechanism further comprises:
and the second buffer spring is positioned between the rubber coating pressure head and the connecting seat and is used for driving the rubber coating pressure head to slide downwards.
5. The vacuum pressure-maintaining bubble removing mechanism according to claim 3, further comprising:
the pressure head fixing column is provided with a bolt hole extending from bottom to top, a threaded hole is formed in the position, corresponding to the bolt hole, of the connecting seat, and the fastening bolt penetrates through the bolt hole and is in threaded connection with the threaded hole.
6. The vacuum pressure maintaining and bubble removing mechanism of claim 1, wherein a soft cushion rubber is arranged at the bottom of the rubber coating pressure head.
7. The vacuum pressure maintaining and bubble removing mechanism according to claim 6, wherein the bottom of the cushion rubber is an arc-shaped surface protruding downward.
8. The vacuum pressure-maintaining bubble removing mechanism according to claim 1, wherein the inner wall of the gasket ring is provided with an annular groove recessed in the radial direction, and the pressing member sleeve is provided with an annular projection fitted into the annular groove.
9. The vacuum pressure-maintaining bubble removing mechanism according to claim 1, further comprising:
and the air pumping port of the vacuum pumping equipment is communicated with the air pumping hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020686774.5U CN212194206U (en) | 2020-04-29 | 2020-04-29 | Vacuum pressure maintaining bubble removing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020686774.5U CN212194206U (en) | 2020-04-29 | 2020-04-29 | Vacuum pressure maintaining bubble removing mechanism |
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| Publication Number | Publication Date |
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| CN212194206U true CN212194206U (en) | 2020-12-22 |
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| CN202020686774.5U Active CN212194206U (en) | 2020-04-29 | 2020-04-29 | Vacuum pressure maintaining bubble removing mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115431506A (en) * | 2022-11-10 | 2022-12-06 | 潍坊市博硕精密电子有限公司 | Automatic laminating machine and method for liquid crystal display protective film |
-
2020
- 2020-04-29 CN CN202020686774.5U patent/CN212194206U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115431506A (en) * | 2022-11-10 | 2022-12-06 | 潍坊市博硕精密电子有限公司 | Automatic laminating machine and method for liquid crystal display protective film |
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