CN110244480B - Full-automatic pre-attaching device of conductive adhesive film for mobile phone screen - Google Patents
Full-automatic pre-attaching device of conductive adhesive film for mobile phone screen Download PDFInfo
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- CN110244480B CN110244480B CN201910527351.0A CN201910527351A CN110244480B CN 110244480 B CN110244480 B CN 110244480B CN 201910527351 A CN201910527351 A CN 201910527351A CN 110244480 B CN110244480 B CN 110244480B
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- vacuum
- attaching
- lcd
- adhesive film
- conductive adhesive
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- 239000002313 adhesive film Substances 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 claims abstract description 22
- 230000008569 process Effects 0.000 claims abstract description 18
- 238000001179 sorption measurement Methods 0.000 claims abstract description 16
- 229920002545 silicone oil Polymers 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 5
- 238000007731 hot pressing Methods 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a full-automatic pre-attaching device of a conductive adhesive film for a mobile phone screen, which belongs to the technical field of hot presses, and adopts the technical scheme that the full-automatic pre-attaching device comprises a rack, wherein a bearing table for bearing an LCD, an attaching mechanism for attaching an ACF to the LCD on the bearing table, a feeding sucker mechanism for sucking the LCD to be processed to the bearing table and a discharging sucker mechanism for transferring the LCD attached with the ACF to the next process are arranged on the rack, an attaching jig for positioning the LCD is arranged on the bearing table, and the attaching jig comprises a vacuum positioning plate with a vacuum cavity formed inside and vacuum adsorption holes uniformly distributed on the vacuum positioning plate and communicated with the vacuum cavity.
Description
Technical Field
The invention belongs to the technical field of hot presses, and particularly relates to a full-automatic pre-attaching device of a conductive adhesive film for a mobile phone screen.
Background
The hot press is also called a bonding machine, and is generally classified into a COG hot press and a FOG hot press. FOG (FPC on Glass), bonding by ACF (anisotropic conductive film), and blasting conductive particles in ACF and curing ACF glue under certain temperature, pressure and time, so as to realize mechanical connection and electrical connection between LCD (liquid crystal display) and FPC (flexible circuit board).
At present, chinese patent with bulletin number CN206906742U discloses an attaching device of a hot press, which solves the problem that the attaching of a common hot press needs to rely on a large amount of manpower and has lower production efficiency, and the technical scheme is that the attaching device comprises: a base; the bearing table is arranged on the base and used for bearing the LCD; an attaching mechanism for attaching the ACF to the LCD on the bearing table; the driving mechanism is used for driving the bearing table to be close to or far away from the attaching mechanism; and the sucking disc mounting structure is connected to the base in a sliding manner, and is used for sucking the LCD to be processed to the bearing table and transferring the LCD attached with the ACF to the next process.
However, in the process of attaching the ACF to the LCD, the ACF on the carrier is liable to be offset, resulting in deviation of attachment of the ACF to the LCD, and there is room for improvement.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a full-automatic pre-attaching device of a conductive adhesive film for a mobile phone screen, which has the advantages of ensuring the accuracy of ACF attachment and improving the attachment accuracy.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a full-automatic attached device in advance of conductive adhesive film for mobile phone screen, includes the frame, be provided with in the frame be used for bearing LCD's plummer, be used for with ACF with carry out attached attaching mechanism of LCD on the plummer, be used for sucking the LCD that waits to process to plummer the material loading sucking disc mechanism and be used for transferring the LCD after attaching ACF to the unloading sucking disc mechanism of next process, be provided with on the plummer and be used for fixing a position LCD's attached tool, attached tool includes inside vacuum locating plate and the evenly distributed of formation vacuum cavity be in vacuum locating plate is last and with the vacuum adsorption hole of vacuum cavity intercommunication. .
By adopting the technical scheme, in the production process, the LCD to be processed is firstly sucked onto the vacuum suction plate by controlling the feeding sucking disc mechanism, and then the LCD is sucked onto the bearing table by the vacuum suction holes, so that the LCD is positioned; after the ACF is attached to the LCD by the attaching mechanism, the LCD to which the ACF is attached is transferred to the next process by controlling the blanking sucker mechanism, so that the ACF and the LCD can be attached. In conclusion, the LCD is kept still on the bearing table through the vacuum adsorption holes, so that the accuracy of ACF attachment can be ensured, and the attachment accuracy is improved.
The invention is further provided with: the surface of the vacuum locating plate is coated with a silicon oil layer.
Through adopting above-mentioned technical scheme, the design of silicon oil layer can make the surface of vacuum locating plate have antiseized performance, effectively avoids influencing the stationarity when LCD board is placed because of the dust adhesion on the vacuum locating plate.
The invention is further provided with: and a heat insulation layer is arranged between the silicone oil layer and the surface of the vacuum positioning plate.
Through adopting above-mentioned technical scheme, the design of insulating layer can prevent the heat transfer that produces when hot pressing for the trachea that is used for connecting vacuum cavity and vacuum pump, can guarantee tracheal normal use.
The invention is further provided with: a filter screen is arranged in the vacuum adsorption hole.
Through adopting above-mentioned technical scheme, the design of filter screen can prevent effectively that the dust or the impurity of great granule from falling into the vacuum adsorption downthehole and causing the jam.
The invention is further provided with: the section of the vacuum positioning plate is rectangular, the four corners of the vacuum positioning plate are provided with supporting rods facing the bearing table, the bearing table is provided with a containing groove for the supporting rods to be inserted, and the bottom of the containing groove is fixed with the lower end of the supporting rods through elastic elements.
Through adopting above-mentioned technical scheme, because attaching mechanism is in the operation in-process, need compress tightly LCD on the vacuum locating plate through attaching the pressure head, when attaching the pressure head to vacuum locating plate application pressure promptly, elastic element can give the ascending effort of vacuum locating plate for laminating between hot pressing board and the vacuum locating plate is inseparabler, and then improves the stability of ACF attaching process.
The invention is further provided with: the elastic element is a spring.
Through adopting above-mentioned technical scheme, the spring has the resilience performance, can make the bracing piece resume the normal position after losing external force effect, ensures that material loading sucking disc mechanism can accurately absorb the LCD of waiting to process to the vacuum adsorption board on.
The invention is further provided with: and a rubber layer is arranged on one side of the bearing table, which faces the vacuum positioning plate.
Through adopting above-mentioned technical scheme, the design on rubber layer can slow down the impact force that produces the plummer when vacuum locating plate descends, is favorable to prolonging plummer's life.
The invention is further provided with: the frame is provided with an image pickup device which is opposite to the surface of the vacuum positioning plate.
Through adopting above-mentioned technical scheme, camera device's setting can shoot in real time and record ACF's attached process, makes things convenient for later stage staff to know the operating mode of equipment according to the content of shooing.
The invention is further provided with: the camera comprises a camera and a conduction device, and the camera is in signal connection with a display screen in the control center through the conduction device.
Through adopting above-mentioned technical scheme, the image information that the camera gathered can be transmitted to control center's display screen through conduction device, and can directly pass through information processor with the optical signal and convert into digital signal through conduction device, greatly improves the synchronism of image for control center's staff can in time stop the operation of equipment when the product goes wrong.
The invention is further provided with: the camera is a digital high-definition camera.
By adopting the technical scheme, the high-definition digital camera can output high-resolution digital video information, so that a field video can be distributed to a certain smaller target in a field of view under the condition of covering a larger field of view, and more pixels can be distributed to display detail characteristics of the smaller target, and further the problem of combining a large scene with small details is solved.
In summary, the invention has the following advantages:
1. According to the invention, the LCD to be processed is sucked onto the vacuum suction plate by controlling the feeding sucking disc mechanism, and is sucked onto the vacuum positioning plate by the vacuum suction holes, so that the LCD can be accurately positioned, the LCD is prevented from being offset during hot pressing, the accuracy during ACF attachment is ensured, and the attachment precision is improved;
2. Through the arrangement of the silicon oil layer, the surface of the vacuum positioning plate has anti-sticking performance, and the influence on the stability of the LCD plate when the LCD plate is placed due to the adhesion of dust on the vacuum positioning plate is effectively avoided;
3. according to the ACF attaching method, the attaching process of the ACF is shot and recorded in real time through the camera, and the image information collected by the camera is transmitted to the display screen of the control center through the conducting device, so that a worker of the control center can stop the operation of equipment in time when a product has a problem.
Drawings
Fig. 1 is a schematic structural view of the present embodiment;
FIG. 2 is a schematic view showing a partial sectional structure of the attaching jig according to the present embodiment;
FIG. 3 is an enlarged schematic view of FIG. 2A;
Fig. 4 is a schematic cross-sectional view showing the elastic member of the present embodiment.
Reference numerals illustrate: 1. a frame; 2. a carrying platform; 3. an attaching mechanism; 4. a feeding sucker mechanism; 5. a blanking sucker mechanism; 6. attaching a jig; 7. a vacuum positioning plate; 8. vacuum adsorption holes; 9. a filter screen; 10. a support rod; 11. a receiving groove; 12. an elastic element; 13. a silicon oil layer; 14. a thermal insulation layer; 15. a rubber layer; 16. an image pickup device; 161. a camera; 162. and a conduction device.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The full-automatic pre-attaching device of the conductive adhesive film for the mobile phone screen is shown in fig. 1, and comprises a frame 1, wherein a bearing table 2 for bearing an LCD, an attaching mechanism 3 for attaching an ACF and the LCD on the bearing table 2, a feeding sucker mechanism 4 for sucking the LCD to be processed to the bearing table 2 and a discharging sucker mechanism 5 for transferring the LCD after attaching the ACF to the next procedure are arranged on the frame 1. Wherein, the feeding sucker mechanism 4 and the discharging sucker mechanism 5 are consistent with the sucker mounting structure disclosed in the application number of CN201720818455.3, and are not described in detail herein.
As shown in fig. 2, the attaching jig 6 for positioning the LCD is disposed on the carrying platform 2, the attaching jig 6 includes a vacuum positioning plate 7 with a vacuum cavity formed therein, and vacuum adsorption holes 8 uniformly distributed on the vacuum positioning plate 7 and communicated with the vacuum cavity, and the LCD to be processed can be adsorbed on the vacuum positioning plate 7 through the vacuum adsorption holes 8, so that the LCD is effectively prevented from being offset in the attaching process. As shown in fig. 3, the filter screen 9 is installed in the vacuum adsorption hole 8, and the filter screen 9 can effectively prevent the dust or impurities with larger particles from falling into the vacuum adsorption hole 8 to cause blockage.
As shown in fig. 2, a rubber layer 15 is disposed on one side of the bearing table 2 facing the vacuum positioning plate 7, and the rubber layer 15 can slow down the impact force generated on the bearing table 2 when the vacuum positioning plate 7 descends, so as to prolong the service life of the bearing table 2.
As shown in fig. 3, the surface of the vacuum positioning plate 7 is coated with a silicone oil layer 13, and the surface of the vacuum positioning plate 7 can have anti-sticking performance through the silicone oil layer 13, so that the influence on the stability of the LCD panel when the LCD panel is placed due to adhesion of dust on the vacuum positioning plate 7 is effectively avoided.
As shown in fig. 4, the section of the vacuum positioning plate 7 is rectangular, the four corners of the vacuum positioning plate 7 are all fixed with support rods 10 facing the bearing table 2, the bearing table 2 is provided with a containing groove 11 for the support rods 10 to be inserted, the bottom of the containing groove 11 is fixed with the lower end of the support rods 10 through an elastic element 12, and the elastic element 12 is a spring. Therefore, when the attaching press head applies pressure to the vacuum positioning plate 7, the elastic element 12 can give upward acting force to the vacuum positioning plate 7, so that the attaching between the hot pressing plate and the vacuum positioning plate 7 is tighter, and the stability of the ACF attaching process is improved.
Further, the heat insulation layer 14 is arranged between the silicone oil layer 13 and the surface of the vacuum positioning plate 7, and the heat insulation layer 14 is designed, so that heat generated during hot pressing can be prevented from being transferred to the air pipe for connecting the vacuum cavity and the vacuum pump, and normal use of the air pipe can be ensured.
As shown in fig. 4, the camera device 16 facing the surface of the vacuum positioning plate 7 is mounted on the frame 1, the camera device 16 comprises a camera 161 and a conducting device 162, and the camera 161 is in signal connection with a display screen in the control center through the conducting device 162. Therefore, in the ACF attaching process, the attaching process of the ACF can be shot in real time through the camera 161, after the camera 161 collects the image information, the collected image information can be transmitted to the display screen of the control center through the conducting device 162, and the optical signals can be directly converted into digital signals through the information processor through the conducting device 162, so that the synchronism of the images is greatly improved, and a worker of the control center can stop the operation of equipment in time when a product is in a problem.
Specifically, the camera 161 is a digital high-definition camera 161, and the high-definition digital camera 161 can output high-resolution digital video information, so that a field video can be distributed to a certain smaller target in a field of view to display the detail characteristics of the smaller target under the condition of covering a larger field of view, and the problem of combining a large scene with small details is solved.
The working process and the beneficial effects of the invention are as follows: in the production process, the feeding sucker mechanism 4 is controlled to suck the LCD to be processed onto the vacuum adsorption plate, so that the vacuum adsorption holes 8 adsorb the LCD on the bearing table 2, and the LCD is positioned; after the ACF is attached to the LCD by the attaching mechanism 3, the blanking sucker mechanism 5 is controlled to transfer the LCD to which the ACF is attached to the next procedure, and then the ACF and the LCD can be attached.
In summary, in the ACF attaching process, the LCD is kept stationary on the carrier 2 through the vacuum adsorption hole 8, so that the accuracy of ACF attaching can be ensured, and the attaching accuracy can be improved.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. within the design concept of the present invention should be included in the scope of the present invention.
Claims (9)
1. The utility model provides a full-automatic attached device in advance of conductive adhesive film for cell-phone screen, includes frame (1), be provided with on frame (1) be used for bearing LCD plummer (2), be used for with ACF with carry out attached attaching mechanism (3) with LCD on plummer (2), be used for sucking the material loading sucking disc mechanism (4) of plummer (2) with waiting to process LCD and be used for transferring the unloading sucking disc mechanism (5) of next process with LCD after attaching ACF, its characterized in that: an attaching jig (6) for positioning the LCD is arranged on the bearing table (2), and the attaching jig (6) comprises a vacuum positioning plate (7) with a vacuum cavity formed inside and vacuum adsorption holes (8) which are uniformly distributed on the vacuum positioning plate (7) and are communicated with the vacuum cavity; the section of vacuum locating plate (7) is the rectangle, four corners of vacuum locating plate (7) are provided with orientation bracing piece (10) of plummer (2), be provided with on plummer (2) confession holding tank (11) of bracing piece (10) grafting, the bottom of holding tank (11) pass through elastic element (12) with the lower extreme of bracing piece (10) is fixed.
2. The full-automatic pre-attaching device of a conductive adhesive film for a mobile phone screen according to claim 1, wherein the device comprises: the surface of the vacuum locating plate (7) is coated with a silicone oil layer (13).
3. The full-automatic pre-attaching device of a conductive adhesive film for a mobile phone screen according to claim 2, wherein: a heat insulation layer (14) is arranged between the silicone oil layer (13) and the surface of the vacuum positioning plate (7).
4. The full-automatic pre-attaching device of a conductive adhesive film for a mobile phone screen according to claim 1, wherein the device comprises: a filter screen (9) is arranged in the vacuum adsorption hole (8).
5. The full-automatic pre-attaching device of a conductive adhesive film for a mobile phone screen according to claim 1, wherein the device comprises: the elastic element (12) is a spring.
6. The full-automatic pre-attaching device of a conductive adhesive film for a mobile phone screen according to claim 1, wherein the device comprises: a rubber layer (15) is arranged on one side of the bearing table (2) facing the vacuum positioning plate (7).
7. The full-automatic pre-attaching device of a conductive adhesive film for a mobile phone screen according to claim 1, wherein the device comprises: an image pick-up device (16) which is opposite to the surface of the vacuum positioning plate (7) is arranged on the frame (1).
8. The fully automatic pre-attaching device for a conductive adhesive film for a mobile phone screen according to claim 7, wherein: the camera device (16) comprises a camera (161) and a conducting device (162), and the camera (161) is in signal connection with a display screen in the control center through the conducting device (162).
9. The full-automatic pre-attaching device of a conductive adhesive film for a mobile phone screen according to claim 8, wherein: the camera (161) is a digital high-definition camera (161).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019102245330 | 2019-03-23 | ||
| CN201910224533 | 2019-03-23 |
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| Publication Number | Publication Date |
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| CN110244480A CN110244480A (en) | 2019-09-17 |
| CN110244480B true CN110244480B (en) | 2024-05-17 |
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| CN201910527351.0A Active CN110244480B (en) | 2019-03-23 | 2019-06-18 | Full-automatic pre-attaching device of conductive adhesive film for mobile phone screen |
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| CN110244480A (en) | 2019-09-17 |
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