CN111776384B - Film stripping device - Google Patents
Film stripping device Download PDFInfo
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- CN111776384B CN111776384B CN202010713789.0A CN202010713789A CN111776384B CN 111776384 B CN111776384 B CN 111776384B CN 202010713789 A CN202010713789 A CN 202010713789A CN 111776384 B CN111776384 B CN 111776384B
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- film layer
- stripping
- peeling
- rotating shaft
- shaft surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B69/00—Unpacking of articles or materials, not otherwise provided for
- B65B69/0033—Unpacking of articles or materials, not otherwise provided for by cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B69/00—Unpacking of articles or materials, not otherwise provided for
Abstract
The invention provides a film layer stripping device, and belongs to the technical field of display. The film peeling device of the present invention comprises: stripping structure; the peeling structure comprises: a base, a rotating shaft surface and a stripping part; the base is used for fixing the rotating shaft surface; the first edge of the rotating shaft surface is fixedly connected with the base; the rotating shaft surface is provided with a plurality of groups of first connecting holes which are arranged along the radial direction and are concentric, and the included angles between the connecting lines of different groups of first connecting holes and the first edge of the rotating shaft surface are different; one end of the stripping part is provided with a group of second connecting holes, and the other end of the stripping part is linearly arranged; the one end of the peeling part is connected with the rotating shaft surface through a fixing device penetrating through the second connecting hole and the first connecting hole, and the included angle between the other end of the peeling part and the first edge of the rotating shaft surface is adjusted through adjusting the first connecting hole to correspond to the second connecting holes of different groups, so that the peeling part moves along preset paths in multiple directions.
Description
Technical Field
The invention belongs to the technical field of display, and particularly relates to a film layer stripping device.
Background
In the manufacturing process of an organic light-emitting diode (OLED) display panel, after a display substrate is packaged by a protective film, the film covering the detection pad area of the display substrate needs to be peeled off to expose the detection pad area corresponding to the detection pad area of the display substrate, so that the detection pad is connected to a detection circuit to perform subsequent aging test and lighting test.
The inventor finds that at least the following problems exist in the prior art: at present, in the process of peeling off the film layer corresponding to the detection pad area of the display substrate, the film layer corresponding to the detection pad area of the display substrate and the film layer corresponding to the display area of the display substrate are easy to rub with each other, burrs and burrs are easy to be caused on two sides of a cutting line, and a subsequent gluing process is influenced, so that unrepairable top injuries or puncture injuries are easy to be caused on the display substrate.
Disclosure of Invention
The present invention is directed to at least one of the problems of the prior art, and provides a film peeling apparatus.
The technical scheme adopted for solving the technical problem is that the film layer stripping device is characterized in that the film layer covers a display substrate, and the display substrate is provided with a display area and a detection bonding pad area connected with one side of the display area; the film layer peeling device comprises: stripping structure;
the peeling structure comprises: a base, a rotating shaft surface and a stripping part; the base is used for fixing the rotating shaft surface; the first edge of the rotating shaft surface is fixedly connected with the base; the rotating shaft surface is provided with a plurality of groups of first connecting holes which are arranged along the radial direction and are concentric, and the included angles between the connecting lines of different groups of the first connecting holes and the first edge of the rotating shaft surface are different; one end of the stripping part is provided with a group of second connecting holes, and the other end of the stripping part is linearly arranged; the one end of the peeling part is connected with the rotating shaft surface through a fixing device penetrating through the second connecting hole and the first connecting hole, and the other end of the peeling part is adjusted to form an included angle between the first edges of the rotating shaft surface through adjusting different groups of the first connecting hole and the second connecting hole correspondingly, so that the peeling part moves along preset paths in multiple directions.
Optionally, the other end of the peeling part is provided with a plurality of peeling needles;
the connecting lines of the mounting points of the plurality of stripping needles are positioned on the same straight line.
Optionally, an angle between the length direction of the peeling needle and a plane of the rotating shaft surface is 80 degrees to 85 degrees.
Optionally, the film layer peeling device further comprises: a body structure;
the base is slidably connected with the main body structure.
Optionally, the film layer peeling device further comprises: a load bearing structure;
the bearing structure is fixedly connected with the main body structure and is opposite to the stripping part.
Optionally, the film layer peeling device further comprises: cutting the structure;
the cutting structure is connected with the main body structure in a sliding mode and is arranged opposite to the bearing structure.
Optionally, the cutting structure comprises a laser cutter; the laser direction emitted by the laser cutter is vertical to the plane of the bearing structure.
Optionally, the laser cutter comprises a carbon dioxide laser.
Optionally, the film layer peeling device further comprises: a pushing structure;
the pushing structure is fixedly connected with the base and used for pushing the base to slide on the main body structure and driving the stripping part to move, so that at least part of the film layer edge corresponding to the detection pad area is jacked up to form a protruding part.
Optionally, the film layer peeling device further comprises: a clamping structure;
the clamping structure is connected with the main body structure in a sliding mode and used for clamping the protruding portion and stripping the film layer corresponding to the detection pad area.
Drawings
FIG. 1 is a schematic cross-sectional view illustrating a display substrate covered with a protective film according to the related art;
FIG. 2 is a schematic structural diagram of a film peeling apparatus in the related art;
FIG. 3 is a schematic plan view of a display substrate covered with a protective film according to the related art;
FIG. 4a is a schematic view illustrating a burr structure of a protective film according to the related art;
FIG. 4b is a schematic diagram illustrating a burr structure of a protective film according to the related art;
fig. 5 is a schematic structural diagram of a film layer peeling apparatus according to an embodiment of the present invention;
fig. 6a, 6b and 6c are schematic structural diagrams of various components in a film layer stripping device according to an embodiment of the present invention;
fig. 7 is a schematic diagram illustrating a moving path of a peeling part in a film layer peeling apparatus according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic cross-sectional view of a display substrate covered with a protective film layer in the related art, the display substrate having a display area and a detection pad area connected to one side of the display area, the display substrate including a substrate 101, a circuit layer 102 on the substrate 101, and a protective film layer 103 covering the circuit layer 102. In practical applications, after the display substrate is packaged by the protective film layer 103, the protective film layer 103 covering the detection pad region needs to be peeled off to expose the detection pad corresponding to the circuit layer 102 in the detection pad region, so that the detection pad is connected to the detection circuit to perform subsequent burn-in test and lighting test. In the film peeling process, as shown in fig. 1, the protective film layer 103 is cut by a laser cutter, and in order to avoid the laser cutter damaging the circuit layer 102 under the protective film layer 103, the protective film layer 103 is generally not completely cut, and the cutting depth is only required to be greater than half of the thickness of the protective film layer 103. Fig. 2 is a schematic structural diagram of a film layer peeling apparatus in the related art, and for convenience of description, only a peeling needle structure of the film layer peeling apparatus is shown in fig. 2, and as shown in fig. 2, a peeling needle is inserted into the protective film layer 103, and the peeling needle is pushed to move along a path in a direction shown in fig. 3 (in the direction of an arrow in the figure), so that the protective film layer 103 is lifted up in a dome shape, thereby peeling off the protective film layer 103 covering the detection pad region. As can be seen from the insertion trace of the protection film layer 103 in fig. 3, the lift-off pins are distributed in a row, and the arrangement direction is generally 90 degrees from the edge of the display area close to the detection pad area, because laser cutting will have a certain heat affected zone on the protection film layer 103, and the portion near the cutting line will be carbonized, during the lift-off process, due to the moving path of the lift-off pins, the protection film layer 103 corresponding to the detection pad area of the display substrate and the protection film layer 103 corresponding to the display area of the display panel are easily rubbed with each other, and burrs shown in fig. 4a and 4b are easily caused on both sides of the cutting line, which affects the subsequent glue coating process, thereby easily causing unrepairable top damage or puncture to the display substrate. In order to solve the above technical problems in the related art, embodiments of the present invention provide a film layer peeling apparatus, which is described in further detail below with reference to the accompanying drawings and the detailed description.
Example one
Fig. 5 is a schematic structural diagram of a film peeling apparatus according to an embodiment of the present invention, which can peel off the protective film covering the circuit layer and corresponding to the detection pad region as shown in fig. 1, as shown in fig. 5, the film peeling apparatus includes: stripping structure; the peeling structure comprises: a base 501, a shaft surface 502, and a peeling portion 503; fig. 6a, fig. 6b and fig. 6c are respectively schematic structural diagrams corresponding to a base 501, a rotating shaft surface 502 and a stripping part 503, wherein the base 501 is used for fixing the rotating shaft surface 502; a first edge of the rotating shaft surface 502 is fixedly connected with the base 501; the rotating shaft surface 502 is provided with a plurality of groups of first connecting holes which are arranged along the radial direction and concentrically, and the included angles between the connecting lines of different groups of first connecting holes and the first edge of the rotating shaft surface 502 are different; one end of the stripping part 503 is provided with a group of second connecting holes, and the other end is arranged in a straight line; one end of the peeling part 503 is connected to the rotation shaft surface 502 by a fixing device (not shown) penetrating through the second connection hole and the first connection hole, and an included angle between the other end of the peeling part 503 and the first edge of the rotation shaft surface 502 is adjusted by adjusting different sets of the first connection holes to correspond to the second connection holes, so that the peeling part 503 moves along a predetermined path in multiple directions.
In the film peeling apparatus provided in the embodiment of the present invention, the first edge of the rotating shaft surface 502 may be fixed by the base 501, and the rotating shaft surface 502 may have structures with different shapes. The rotating shaft surface 502 is concentrically provided with a plurality of groups of first connecting holes along the radial direction, and the connecting lines of different groups of first connecting holes have different included angles with the first edge of the rotating shaft surface 502, for example, as shown in fig. 6b, 5 groups of first connecting holes are provided on the rotating shaft surface 502, and the included angles between the connecting lines of the groups of connecting holes and the first edge are respectively 30 degrees, 45 degrees, 60 degrees, 75 degrees and 90 degrees. One end of the peeling part 503 is provided with a set of second connection holes, the other end is arranged linearly, one end of the peeling part 503 can be connected with the rotation shaft surface 502 through a fixing device penetrating through the second connection holes and the first connection holes, and the fixing device can be a screw or the like. The angle between the other end of the peeling part 503 and the first edge of the rotation axis surface 502 can be adjusted by adjusting different sets of the first connection holes and the second connection holes, so that the angle at which the other end of the peeling part 503 is inserted into the protection film layer 103 to be peeled can be adjusted, and the other end of the peeling part 503 can be moved along the preset paths in different directions (arrow directions in the figure) as shown in fig. 7. In practical applications, the moving path may be divided into two sections, in the first section of the moving path, the peeling part 503 moves along a direction perpendicular to the cutting line, so that the protective film layer 103 that is not completely cut off may be completely separated along the cutting line, and in the second section of the moving path, the peeling part 503 may lift up the protective film layer 103 corresponding to the detection pad region into an arch shape, so as to peel off the protective film layer 103 covering the detection pad region. It can be seen that the angle of the other end of the peeling part 503 inserted into the protective film layer 103 to be peeled off is adjusted, and the protective film layer 103 which is not completely cut off is completely separated by matching with the preset paths in different directions and then peeled off, so that when the protective film layer 103 corresponding to the detection pad region is jacked to be arched, the protective film layer 103 corresponding to the detection pad region of the display substrate and the protective film layer 103 corresponding to the display region of the display panel can be prevented from rubbing against each other, thereby avoiding burrs and burrs from being bad at both sides of the cutting line, and further avoiding irreparable top injuries or stabs from being caused to the display substrate in the subsequent gluing process.
In some embodiments, the other end of the peeling part 503 is provided with a plurality of peeling needles; the connecting lines of the mounting points of the plurality of stripping needles are positioned on the same straight line.
It should be noted that the other end of the peeling portion 503 can be pointed by the peeling needle, so that the other end of the peeling portion 503 can be more easily inserted into the protective film 103 to be peeled, and the connecting lines of the mounting points of the plurality of peeling needles are located on the same straight line, so that the plurality of peeling needles are distributed in a row, and thus when the protective film 103 to be peeled is inserted and moved, the insertion stability of the peeling needle can be ensured, so that the whole peeling portion 503 can be moved along preset paths in different directions, and further, the protective film 103 which is not completely cut off can be completely separated and then peeled. Therefore, when the protective film layer 103 corresponding to the detection pad area is jacked to be arched, the protective film layer 103 corresponding to the detection pad area of the display substrate and the protective film layer 103 corresponding to the display area of the display panel can be prevented from rubbing with each other, so that burrs and burrs on two sides of the cutting line can be avoided, and further unrepairable top injuries or puncture injuries to the display substrate in a subsequent gluing process can be avoided.
In some embodiments, the angle between the length of the stripping pin and the plane of the shaft surface 502 is 80 to 85 degrees.
It should be noted that, as shown in fig. 6c, the angle between the length direction of the peeling needle and the plane of the rotating shaft surface 502 may be 80 degrees to 85 degrees, which may ensure that the peeling needle may not be perpendicular to the plane of the protective film 103 to be peeled when the peeling needle is inserted into the protective film 103 to be peeled, thereby ensuring the force direction of the protective film 103 to be peeled when the peeling needle is pushed to move, so that the force component in the moving direction is greater, and further ensuring that the protective film 103 to be peeled is stably stressed.
In some embodiments, the film layer peeling apparatus further comprises: a body structure 504; the base 501 is slidably connected to the body structure 504.
It should be noted that the base 501 can be slidably connected to the main body structure 504, so that the base 501 can slide on the main body structure 504, and thus the rotating shaft surface 502 connected to the base 501 and the peeling portion 503 can be driven to move along the preset paths in different directions, and the protective film layer 103 that is not completely cut off can be completely separated and then peeled. Therefore, when the protective film layer 103 corresponding to the detection pad area is jacked to be arched, the protective film layer 103 corresponding to the detection pad area of the display substrate and the protective film layer 103 corresponding to the display area of the display panel can be prevented from rubbing with each other, so that burrs and burrs on two sides of the cutting line can be avoided, and further unrepairable top injuries or puncture injuries to the display substrate in a subsequent gluing process can be avoided.
In some embodiments, the film layer peeling apparatus further comprises: a load bearing structure (not shown); the carrying structure is fixedly connected to the main structure 504 and disposed opposite to the peeling portion 503.
It should be noted that the supporting structure may be configured to support the display substrate covered with the protective film layer 103, and the display substrate covered with the protective film layer 103 is disposed opposite to the peeling part 503, so as to provide a working platform for film peeling.
In some embodiments, the film layer peeling apparatus further comprises: cutting structures (not shown); the cutting structure is slidably coupled to the body structure 504 and is disposed opposite the load-bearing structure.
It should be noted that the cutting structure may be slidably connected to the main body structure 504, a boundary between the display area of the display substrate and the detection pad area may be a cutting line, the cutting structure may move along the cutting line, and the protection film layer 103 may be cut into two parts along the cutting line. The cutting depth of the cutting structure is generally larger than half of the thickness of the protective film layer 103, so that the circuit layer below the protective film layer 103 can be prevented from being damaged while the subsequent film layer is stripped conveniently. It is understood that the cutting structure can also be used for cutting other film layers and structures in the process of manufacturing the display substrate, and the implementation principle is similar to that described above, and the description is not shown here.
In some embodiments, the cutting structure comprises a laser cutter; the laser direction emitted by the laser cutter is vertical to the plane of the bearing structure.
It should be noted that the cutting structure may be a laser cutter, specifically, a carbon dioxide laser cutter, and the carbon dioxide laser has the advantages of high precision, high speed, and the like, and can cut the protection film layer 103 quickly and accurately, and ensure the cutting depth, thereby avoiding damage to the circuit layer 102 under the protection film layer 103.
In some embodiments, the film layer peeling apparatus further comprises: a pushing structure (not shown in the figures); the pushing structure is fixedly connected to the base 501, and is configured to push the base 501 to slide on the main structure 504 and drive the peeling portion 503 to move, so that at least a portion of the film edge corresponding to the detection pad region is lifted up to form a protrusion.
It should be noted that the pushing structure can provide power for the whole stripping structure, and the pushing base 501 is moved along the preset paths in different directions, so that the rotating shaft surface 502 connected to the base 501 and the stripping portion 503 can be driven to move along the preset paths in different directions, and the incompletely cut protective film layer 103 can be completely separated and then stripped. Therefore, when the protective film layer 103 corresponding to the detection pad area is jacked to be arched, the protective film layer 103 corresponding to the detection pad area of the display substrate and the protective film layer 103 corresponding to the display area of the display panel can be prevented from rubbing with each other, so that burrs and burrs on two sides of the cutting line can be avoided, and further unrepairable top injuries or puncture injuries to the display substrate in a subsequent gluing process can be avoided. In the pushing process, the portion of the protective film layer 103 to be peeled up may form a protrusion portion than the portion lifted up by the peeling pin, so as to facilitate the complete peeling of the protective film layer corresponding to the detection pad region.
In some embodiments, the film layer peeling apparatus further comprises: a clamping structure (not shown); the clamping structure is connected with the main body structure in a sliding mode and used for clamping the protruding portion and stripping the film layer corresponding to the detection pad area.
The clamping structure can clamp the protruding portion jacked up by the peeling pin, and make the protective film layer 103 corresponding to the detection pad region and the circuit layer 102 of the display substrate generate relative motion, so that the protective film layer 103 is completely peeled off from the circuit layer 102 to expose the detection pad of the circuit layer 102 in the corresponding detection pad region, and the detection pad is connected with the detection circuit to perform subsequent burn-in test and lighting test.
In order to better describe the film layer peeling apparatus provided by the embodiment of the present invention, the operation flow of the film layer peeling apparatus provided by the embodiment of the present invention will be described in detail below.
In the use process, the display substrate covered with the protective film layer is placed on the bearing structure, the protective film layer is cut into two parts along a cutting line corresponding to the display area and the detection bonding pad area by using the cutting structure, and the cutting depth is ensured to be larger than half of the thickness of the protective film layer in the cutting process, but the circuit layer below the protective film layer cannot be damaged. And adjusting the angle of the stripping needle at the other end of the stripping part inserted into the protective film layer by adjusting the correspondence between the first connecting holes of different groups of the stripping part in the stripping structure and the second connecting holes of the rotating shaft surface, and completely separating the incompletely cut protective film layer by matching with preset paths in different directions under the pushing of the pushing structure and then jacking up to form a protruding part. And then clamping the bulge part of the protective film layer by using the clamping structure, and enabling the protective film layer corresponding to the detection pad area and the circuit layer of the display substrate to generate relative motion, so that the protective film layer is completely stripped from the circuit layer to expose the detection pad corresponding to the circuit layer in the detection pad area, and the detection pad is connected with a detection circuit to perform subsequent aging test and lighting test.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (10)
1. A film layer stripping device is characterized in that a film layer covers a display substrate, and the display substrate is provided with a display area and a detection bonding pad area connected with one side of the display area; characterized in that, the rete stripping off device includes: stripping structure;
the peeling structure comprises: a base, a rotating shaft surface and a stripping part; the base is used for fixing the rotating shaft surface; the first edge of the rotating shaft surface is fixedly connected with the base; the rotating shaft surface is provided with a plurality of groups of first connecting holes which are arranged along the radial direction and are concentric, and the included angles between the connecting lines of different groups of the first connecting holes and the first edge of the rotating shaft surface are different; one end of the stripping part is provided with a group of second connecting holes, and the other end of the stripping part is linearly arranged; the one end of the peeling part is connected with the rotating shaft surface through a fixing device penetrating through the second connecting hole and the first connecting hole, and the other end of the peeling part is adjusted to form an included angle between the first edges of the rotating shaft surface through adjusting different groups of the first connecting hole and the second connecting hole correspondingly, so that the peeling part moves along preset paths in multiple directions.
2. The film layer peeling device as defined in claim 1, wherein the other end of the peeling part is provided with a plurality of peeling needles;
the connecting lines of the mounting points of the plurality of stripping needles are positioned on the same straight line.
3. The film stripping device as claimed in claim 2, wherein the angle between the longitudinal direction of the stripping needle and the plane of the rotation axis is 80-85 degrees.
4. The film layer peeling apparatus as defined in claim 1, further comprising: a body structure;
the base is slidably connected with the main body structure.
5. The film layer peeling apparatus as defined in claim 4, further comprising: a load bearing structure;
the bearing structure is fixedly connected with the main body structure and is opposite to the stripping part.
6. The film layer peeling apparatus as defined in claim 5, further comprising: cutting the structure;
the cutting structure is connected with the main body structure in a sliding mode and is arranged opposite to the bearing structure.
7. The film stripping device as defined in claim 6, wherein the cutting structure comprises a laser cutter; the laser direction emitted by the laser cutter is vertical to the plane of the bearing structure.
8. The film stripping apparatus as defined in claim 7, wherein the laser cutter comprises a carbon dioxide laser.
9. The film layer peeling apparatus as defined in claim 6, further comprising: a pushing structure;
the pushing structure is fixedly connected with the base and used for pushing the base to slide on the main body structure and driving the stripping part to move, so that at least part of the film layer edge corresponding to the detection pad area is jacked up to form a protruding part.
10. The film layer peeling apparatus as defined in claim 9, further comprising: a clamping structure;
the clamping structure is connected with the main body structure in a sliding mode and used for clamping the protruding portion and stripping the film layer corresponding to the detection pad area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010713789.0A CN111776384B (en) | 2020-07-22 | 2020-07-22 | Film stripping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010713789.0A CN111776384B (en) | 2020-07-22 | 2020-07-22 | Film stripping device |
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| CN111776384A CN111776384A (en) | 2020-10-16 |
| CN111776384B true CN111776384B (en) | 2022-03-18 |
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| CN202010713789.0A Active CN111776384B (en) | 2020-07-22 | 2020-07-22 | Film stripping device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112277432B (en) * | 2020-10-28 | 2023-12-19 | 京东方科技集团股份有限公司 | Protective film stripping system, control method thereof and protective film stripping method |
| CN115319309A (en) * | 2022-10-12 | 2022-11-11 | 南通翔润机电有限公司 | Aluminum electrolytic capacitor sleeve stripping equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR102450112B1 (en) * | 2017-11-29 | 2022-10-05 | 삼성디스플레이 주식회사 | Protecting film peeling apparatus and peeling method for the same |
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| US20140060748A1 (en) * | 2012-09-04 | 2014-03-06 | Il-Young Jeong | Film peeling apparatus and film peeling method using the same |
| CN203600748U (en) * | 2013-11-25 | 2014-05-21 | 太原风华信息装备股份有限公司 | Film tearing mechanism for glass substrate of liquid crystal display (LCD) |
| CN105452136A (en) * | 2014-08-14 | 2016-03-30 | Lg化学株式会社 | Releasing bar for releasing polarizing film from panel, and releasing apparatus and releasing method using same |
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| CN111776384A (en) | 2020-10-16 |
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