CN110481047B - Hob die cutting system and method for OCA optical cement with four-layer 1:1 structure - Google Patents
Hob die cutting system and method for OCA optical cement with four-layer 1:1 structure Download PDFInfo
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- CN110481047B CN110481047B CN201910769985.7A CN201910769985A CN110481047B CN 110481047 B CN110481047 B CN 110481047B CN 201910769985 A CN201910769985 A CN 201910769985A CN 110481047 B CN110481047 B CN 110481047B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
- B29C66/022—Mechanical pre-treatments, e.g. reshaping
- B29C66/0224—Mechanical pre-treatments, e.g. reshaping with removal of material
- B29C66/02241—Cutting, e.g. by using waterjets, or sawing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/03—After-treatments in the joint area
- B29C66/032—Mechanical after-treatments
- B29C66/0326—Cutting, e.g. by using waterjets, or perforating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/45—Joining of substantially the whole surface of the articles
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- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention relates to the technical field of optical cement die cutting processing, in particular to a hob die cutting system and a hob die cutting method for OCA optical cement with a four-layer 1:1 structure. The hob die cutting method of the OCA optical cement comprises three parts: the defects of glue overflow at the edge of a product, product warping and the like can be improved by controlling the operation processes of each part. The process of the invention changes the complicated process of the traditional die cutting process, reduces the process line body, greatly reduces the space occupation of equipment, reduces the production and processing operators, and reduces the cost along with the reduction of the line body; the investment of materials is reduced, and the cost of the die cutting processing technology is reduced; the die cutting production efficiency is greatly improved.
Description
Technical Field
The invention relates to the technical field of optical cement die cutting processing, in particular to a hob die cutting system and a hob die cutting method for OCA optical cement with a four-layer 1:1 structure.
Background
The OCA optical cement is one of the raw materials of the important touch screen. The optical acrylic adhesive is made into a double-sided adhesive tape without a base material, and then a layer of release film is respectively adhered to an upper bottom layer and a lower bottom layer. It is the best adhesive for touch screens.
The OCA optical cement is used for assembling display modules with various structures such as Incell, Oncell, O L ED, GF2, GFF, OGS, GG and the like with a cover plate and a touch screen.
The existing OCA optical cement die cutting method is a flat cutter die cutting machine and a hob die cutting machine, the structures of the existing OCA optical cement die cutting method are not 1:1 and 1:1, and aiming at the defects that the quality of the processed OCA optical cement with the 1:1 structure is poor, the edge glue overflow, the product warping and the like can be generated in the processing process of the flat cutter die cutting machine, the production efficiency is greatly influenced, and the phenomena of deviation and dirt can be generated in the gluing process of some adhesive tapes.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a hob die cutting system and a hob die cutting method for an OCA optical adhesive with a four-layer 1:1 structure, and the hob die cutting system and the hob die cutting method can effectively change the phenomena of glue overflow, product warping, deviation, dirt and the like of the OCA optical adhesive.
The invention provides a hob die cutting system of OCA optical cement with a four-layer 1:1 structure, which comprises a laminating part (1), a die cutting part (2), a processing part (3) and a plurality of pressing wheel sets, wherein the laminating part, the die cutting part, the processing part and the pressing wheel sets are sequentially arranged;
the laminating part (1) comprises a first discharging shaft (10), a second discharging shaft (11) and a third discharging shaft (13) which are sequentially discharged, the first discharging shaft (10) is used for transmitting a delivery carrier tape, the second discharging shaft (11) is used for transmitting an OCA composite film, the OCA composite film comprises a surface layer, a first functional layer and a second functional layer which are sequentially arranged, and the third discharging shaft (13) is used for transmitting a process light film; a surface layer removing mechanism (12) for removing the surface layer is arranged between the second discharging shaft (11) and the third discharging shaft (13), the delivery carrier tape is attached to the second functional layer under the action of the pressing wheel set, and the process light film is attached to the first functional layer;
the die cutting part (2) comprises a first cutter mechanism (22), a frame receiving mechanism (21) and a process film receiving mechanism (23), the first cutter mechanism (22) rotates around the axis of the first cutter mechanism, the first cutter mechanism (22) is used for cutting off a transmitted second functional layer, a transmitted first functional layer and a process light film to form a plurality of process areas above the delivery carrier tape and a frame area surrounding the process areas, the frame receiving mechanism (21) is used for rolling the frame areas, and the process film receiving mechanism (23) is used for separating the process light film from the first functional layer and rolling the process light film;
the manufacturing procedure part (3) comprises a fourth emptying shaft (30), a fifth emptying shaft (31), a second cutter mechanism (32) and a receiving procedure carrying belt mechanism (33), the fourth emptying shaft (30) is used for transmitting a manufacturing procedure carrying belt, the fifth emptying shaft (31) is used for transmitting a delivery light film, the manufacturing procedure carrying belt is attached to the delivery carrying belt under the action of a pressing wheel set, the delivery light film is attached to the first functional layer, the second cutter mechanism (32) is used for cutting the delivery carrying belt and the delivery light film, and the receiving procedure carrying belt mechanism (33) is used for rolling the manufacturing procedure carrying belt.
Furthermore, the pressing wheel set comprises pressing wheels which are respectively positioned at two sides of the material to be pressed.
Further, laminating portion (1) still includes system groove mechanism (14), system groove mechanism (14) are including system slot part and waste material coiling portion, system slot part is used for the shipment carrier band surface forms the recess, place the recess top the OCA complex film.
Further, the process film collecting mechanism (23) comprises a winding shaft and an adhesive tape wound on the surface of the winding shaft.
Further, the process film collecting mechanism (23) comprises a winding shaft and an adhesive tape wound on the surface of the winding shaft.
Further, the cutter device comprises a first roller and a second roller which rotate around the axes of the first roller and the second roller, wherein the first roller is positioned below the first cutter mechanism (22), the second roller is positioned below the second cutter mechanism (32), and the rotating directions of the first roller and the second roller are the same as those of the first cutter mechanism (22) and the second cutter mechanism (32).
Further, the die cutting area of the second cutter mechanism (32) is larger than that of the first cutter mechanism.
The second purpose of the invention is to provide a method for hob die cutting by using the hob die cutting system, which comprises the following steps:
(1) attaching: a first emptying shaft (10) is adopted to transmit a shipment carrier tape, then a second emptying shaft (11) is adopted to transmit an OCA composite film, the second functional layer is attached to the shipment carrier tape under the action of the pressing wheel set, and then a surface layer removing mechanism (12) is adopted to roll up a surface layer in the OCA composite film; then, a third discharging shaft (13) is used for transmitting the process light film, and the process light film is attached to the first functional layer under the action of the pressing wheel set;
(2) die cutting: the composite structure formed in the step (1) is transmitted to a first cutter mechanism (22), the first cutter mechanism (22) cuts off a second functional layer, a first functional layer and a process light film which are transmitted, a plurality of process areas and a frame area surrounding the process areas are formed above the delivery carrier tape, then the frame area is rolled up by adopting the frame rolling mechanism (21), the process light film is separated from the first functional layer by adopting the process film rolling mechanism (23), and the process light film is rolled up;
(3) the preparation process comprises the following steps: a fourth emptying shaft (30) is adopted to transmit the process carrier tape, meanwhile, a fifth emptying shaft (31) is adopted to transmit the shipment light film, the composite structure formed in the step (2) is transmitted between the process carrier tape and the shipment light film, the process carrier tape is attached to the shipment carrier tape under the action of a pressing wheel set, the shipment light film is attached to the first functional layer, the formed composite structure is transmitted to a second cutter mechanism (32), the second cutter mechanism (32) rotates around the axis of the second cutter mechanism, the second cutter mechanism (32) cuts off the transmitted shipment carrier tape and shipment light film, and then a process carrier tape receiving mechanism (33) is utilized to roll the process carrier tape, so that the OCA optical adhesive with the four-layer 1:1 structure is obtained.
Further, the OCA optical cement with the four-layer 1:1 structure comprises a shipment carrier tape, a second functional layer, a first functional layer and a shipment light film which are sequentially arranged; in the OCA optical cement with the four-layer 1:1 structure, the areas of the second functional layer and the first functional layer are smaller than the areas of the shipment carrier tape and the shipment light film.
Further, in the step (1), before the second functional layer is attached to the shipment carrier tape, a step of preparing a plurality of grooves on the surface of the shipment carrier tape by using a groove making mechanism (14) is further included, and the width of each groove is smaller than that of the OCA composite film.
Furthermore, the shape of the process area can be designed according to actual needs, such as rectangle, circle, etc., and the OCA optical cement with the four-layer 1:1 structure is changed according to the process area.
Further, in the present invention, the "1: 1 structure" means that the shape and size of the second functional layer and the first functional layer are completely the same.
By the scheme, the invention at least has the following advantages:
the OCA optical cement with a 1:1 structure can be prepared by the process, and the flatness and warping degree of a finished product can be improved by adopting the laminating process; in the die cutting process, the frame waste is removed firstly, and then the process light film is removed, so that the risks of glue overflow and foreign matter falling and polluting the glue surface of the OCA light film can be reduced; the warping degree of the product can be controlled by the attaching tension in the manufacturing process; because the process comprises a plurality of stations and a hobbing cutter die cutting process is adopted, the quality of the final product can be improved through the control of key points of each station.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
FIG. 1 is a block diagram of a hob die cut of a four layer 1:1 construction OCA optical adhesive of the present invention;
description of reference numerals:
1-a bonding part; 2-die cutting part; 3-a process part; 10-a first discharge shaft; 11-a second discharge shaft; 12-a surface layer removal mechanism; 13-a third discharge shaft; 14-a grooving mechanism; 21-frame closing mechanism; 22-a first cutter mechanism; 23-a process film collecting mechanism; 30-a fourth discharge shaft; 31-a fifth discharge shaft; 32-a second cutter mechanism; 33-collecting the process carrier tape mechanism.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Example 1
The hobbing cutter die cutting system for the OCA optical cement with the four-layer 1:1 structure comprises a bonding part 1, a die cutting part 2, a processing part 3 and a plurality of pressing wheel sets which are sequentially arranged;
the laminating part 1 comprises a first emptying shaft 10, a second emptying shaft 11 and a third emptying shaft 13 which are sequentially discharged, the first emptying shaft 10 is used for transmitting a shipment carrier tape, the second emptying shaft 11 is used for transmitting an OCA composite film, the OCA composite film comprises a surface layer, a first functional layer and a second functional layer which are sequentially arranged, and the third emptying shaft 13 is used for transmitting a process light film; a surface layer removing mechanism 12 for removing the surface layer is arranged between the second discharging shaft 11 and the third discharging shaft 13, the delivery carrier tape is attached to the second functional layer under the action of the pressing wheel set, and the process light film is attached to the first functional layer.
Laminating portion 1 still includes system groove mechanism 14, system groove mechanism 14 is including system slot part and waste material coiling portion, system slot part is used for shipment carrier band surface forms the recess, place above the recess the OCA complex film.
The die cutting part 2 comprises a first cutter mechanism 22, a first roller, a frame folding mechanism 21 and a process film folding mechanism 23, the first cutter mechanism 22 and the first roller rotate around the axis of the first cutter mechanism 22 respectively and rotate in the same direction, the first roller is located under the first cutter mechanism 22 and provides power for material transmission, the first cutter mechanism 22 is used for cutting off a second functional layer, the first functional layer and a process light film which are transmitted so as to form a plurality of process areas above the delivery carrier tape and a frame area surrounding the process areas, the frame folding mechanism 21 is used for folding the frame folding area, the process film folding mechanism 23 comprises a winding shaft and an adhesive tape wound on the surface of the winding shaft, the process light film is adhered by the adhesive tape to realize separation of the process light film and the first functional layer, and the separated process light film is wound by the winding shaft.
The process part 3 comprises a fourth emptying shaft 30, a fifth emptying shaft 31, a second cutter mechanism 32, a second roller and a process receiving and carrying mechanism 33, the fourth emptying shaft 30 is used for transmitting a process carrying belt, the fifth emptying shaft 31 is used for transmitting a delivery light film, the process carrying belt is attached to the delivery carrying belt under the action of a pressing wheel set, the delivery light film is attached to the first functional layer, the second cutter mechanism 32 is used for cutting the delivery carrying belt and the delivery light film, the second cutter mechanism 32 and the second roller rotate around the axes of the second cutter mechanism 32 respectively and rotate in the same direction, the second roller is located under the second cutter mechanism 32, the second roller provides power for material transmission, and the process receiving and carrying mechanism 33 is used for rolling the process carrying belt. The die cutting area of the second cutter mechanism 32 is larger than that of the first cutter mechanism.
The pressing wheel set comprises pressing wheels which are respectively positioned at two sides of the material to be pressed and used for pressing each material layer. The pressing wheel set is located at the joint of the shipment carrier tape and the second functional layer, the joint of the process light film and the first functional layer, the joint of the process carrier tape and the shipment carrier tape, and the joint of the shipment light film and the first functional layer.
Example 2
The embodiment provides a method for hob die cutting by using the hob die cutting system, which comprises the following steps:
(1) attaching: the first discharging shaft 10 is adopted to transmit the shipment carrier tape, the unreeling tension is set to be 13N, a groove is formed in the output shipment carrier tape by utilizing a groove forming part of a groove forming mechanism 14, the width of the groove is smaller than that of an OCA composite film attached to the groove, and meanwhile, a waste material reeling part is adopted to reel slotting waste materials generated by the groove forming part. Then utilize second blowing axle 11 to transmit OCA complex film, OCA complex film includes top layer, first functional layer, the second functional layer that top-down set gradually, unreels tension and sets for 35N, under the effect of pressfitting wheelset, attaches the second functional layer in shipment carrier band top, and first functional layer is located the one side that the shipment carrier band was kept away from to the second functional layer, and the pressure that pressfitting wheelset was applyed is 20N. After the second functional layer is attached, the surface layer in the OCA composite film is rolled by the surface layer removing mechanism 12, and the rolling tension is set to be 12N. And then, the third discharging shaft 13 is utilized to transmit the process light film, the unwinding tension is set to be 45N, the process light film is attached above the first functional layer under the action of the pressing wheel set, and the pressure applied by the pressing wheel set is 30N. The flatness of the second functional layer and the delivery carrier tape is determined through the steps, the bonding tension between the layers needs to be controlled, and the adhesive length, the warping and the like of the final product can be influenced.
(2) Die cutting: the composite structure formed in the step 1 is transmitted to a first cutter mechanism 22, the first cutter mechanism 22 cuts off all layers (namely a second functional layer, a first functional layer and a process light film) except a delivery carrier tape in the transmission composite structure, a plurality of rectangular process areas and a frame area surrounding the process areas are formed above the delivery carrier tape, then a frame area is rolled up by adopting a frame rolling-up mechanism 21, and then the process light film is separated from the first functional layer by adopting a film rolling-up mechanism 23 and then is rolled up; after the edge frame area is folded, the light film is separated from the first functional layer, so that the risk of glue overflow and foreign matters falling on the surface of the first functional layer and being polluted can be reduced.
(3) The preparation process comprises the following steps: the fourth emptying shaft 30 and the fifth emptying shaft 31 are respectively adopted to transmit the process carrier tape and the delivery light film, the unwinding tension of the process carrier tape and the delivery light film is 50N, the composite structure formed in the step 2 is transmitted between the process carrier tape and the delivery light film, the process carrier tape and the delivery light film are respectively attached below the delivery carrier tape and above the first functional layer under the action of the pressing wheel set, and the pressure applied by the pressing wheel set is 24N. The formed composite structure is transmitted to a second cutter mechanism 32, the second cutter mechanism 32 rotates around the axis of the second cutter mechanism 32, the second cutter mechanism 32 cuts off the transmitted delivery carrier tape and the delivered delivery light film, the delivery carrier tape is wound by a receiving process carrier tape mechanism 33, the shape of the second cutter mechanism 32 can be designed according to requirements, the delivery carrier tape is cut into a required shape, and the OCA optical adhesive with the four-layer 1:1 structure is obtained.
The formed OCA optical cement with a four-layer 1:1 structure comprises a delivery carrier tape, wherein a groove is formed in the delivery carrier tape, and a second functional layer, a first functional layer and a delivery light film are sequentially arranged above the groove from bottom to top; in the OCA optical cement with the four-layer 1:1 structure, the areas of the second functional layer and the first functional layer are smaller than the areas of the shipment carrier tape and the shipment light film.
The die cutting process of the invention requires a hob die cutting machine with at least six stations, which can reduce the glue overflow of the OCA optical cement, improve the warping degree of the OCA optical cement, improve the efficiency by three times of that of a flat cutter die cutting machine, and greatly increase the productivity. The hobbing cutter machine die cutting processing changes the complicated and complicated process of the traditional die cutting process, reduces the process line bodies, greatly reduces the space occupation of equipment, reduces the production and processing operators, and reduces the number of the line bodies; the investment of materials is reduced, the cost of the die cutting processing technology is reduced, and the die cutting production efficiency is greatly improved.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a hobbing cutter die cutting system of OCA optical cement of four layers 1:1 structure which characterized in that: comprises a bonding part (1), a die cutting part (2), a processing part (3) and a plurality of pressing wheel sets which are arranged in sequence;
the laminating part (1) comprises a first discharging shaft (10), a second discharging shaft (11) and a third discharging shaft (13) which are sequentially discharged, the first discharging shaft (10) is used for transmitting a delivery carrier tape, the second discharging shaft (11) is used for transmitting an OCA composite film, the OCA composite film comprises a surface layer, a first functional layer and a second functional layer which are sequentially arranged, and the third discharging shaft (13) is used for transmitting a process light film; a surface layer removing mechanism (12) for removing the surface layer is arranged between the second discharging shaft (11) and the third discharging shaft (13), the delivery carrier tape is attached to the second functional layer under the action of the pressing wheel set, and the process light film is attached to the first functional layer;
the die cutting part (2) comprises a first cutter mechanism (22), a frame receiving mechanism (21) and a process film receiving mechanism (23), the first cutter mechanism (22) rotates around the axis of the first cutter mechanism, the first cutter mechanism (22) is used for cutting off a transmitted second functional layer, a transmitted first functional layer and a process light film to form a plurality of process areas above the delivery carrier tape and a frame area surrounding the process areas, the frame receiving mechanism (21) is used for rolling the frame areas, and the process film receiving mechanism (23) is used for separating the process light film from the first functional layer and rolling the process light film;
the manufacturing procedure part (3) comprises a fourth emptying shaft (30), a fifth emptying shaft (31), a second cutter mechanism (32) and a receiving procedure carrying belt mechanism (33), the fourth emptying shaft (30) is used for transmitting a manufacturing procedure carrying belt, the fifth emptying shaft (31) is used for transmitting a delivery light film, the manufacturing procedure carrying belt is attached to the delivery carrying belt under the action of a pressing wheel set, the delivery light film is attached to the first functional layer, the second cutter mechanism (32) is used for cutting the delivery carrying belt and the delivery light film, and the receiving procedure carrying belt mechanism (33) is used for rolling the manufacturing procedure carrying belt.
2. The rotary knife die cutting system of claim 1, wherein: the pressing wheel set comprises pressing wheels which are respectively positioned at two sides of the material to be pressed.
3. The rotary knife die cutting system of claim 1, wherein: laminating portion (1) is still including system groove mechanism (14), system groove mechanism (14) are including system slot part and waste material coiling portion, system slot part is used for shipment carrier band surface forms the recess, place the recess top the OCA complex film.
4. The rotary knife die cutting system of claim 1, wherein: the film collecting mechanism (23) comprises a winding shaft and an adhesive tape wound on the surface of the winding shaft.
5. The rotary knife die cutting system of claim 1, wherein: the cutter is characterized by further comprising a first roller and a second roller which rotate around the axis of the cutter, wherein the first roller is located below the first cutter mechanism (22), the second roller is located below the second cutter mechanism (32), and the rotating directions of the first roller and the second roller are the same as those of the first cutter mechanism (22) and the second cutter mechanism (32).
6. The rotary knife die cutting system of claim 1, wherein: the die cutting area of the second cutter mechanism (32) is larger than that of the first cutter mechanism.
7. A method of hob die cutting with the hob die cutting system according to any one of the claims 1 to 6, characterized in that it comprises the steps of:
(1) attaching: a first emptying shaft (10) is adopted to transmit a shipment carrier tape, then a second emptying shaft (11) is adopted to transmit an OCA composite film, the second functional layer is attached to the shipment carrier tape under the action of the pressing wheel set, and then a surface layer removing mechanism (12) is adopted to roll up a surface layer in the OCA composite film; then, a third discharging shaft (13) is used for transmitting the process light film, and the process light film is attached to the first functional layer under the action of the pressing wheel set;
(2) die cutting: the composite structure formed in the step (1) is transmitted to a first cutter mechanism (22), the first cutter mechanism (22) cuts off a second functional layer, a first functional layer and a process light film which are transmitted, a plurality of process areas and a frame area surrounding the process areas are formed above the delivery carrier tape, then the frame area is rolled up by adopting the frame rolling mechanism (21), the process light film is separated from the first functional layer by adopting the process film rolling mechanism (23), and the process light film is rolled up;
(3) the preparation process comprises the following steps: a fourth emptying shaft (30) is adopted to transmit the process carrier tape, meanwhile, a fifth emptying shaft (31) is adopted to transmit the shipment light film, the composite structure formed in the step (2) is transmitted between the process carrier tape and the shipment light film, the process carrier tape is attached to the shipment carrier tape under the action of a pressing wheel set, the shipment light film is attached to the first functional layer, the formed composite structure is transmitted to a second cutter mechanism (32), the second cutter mechanism (32) rotates around the axis of the second cutter mechanism, the second cutter mechanism (32) cuts off the transmitted shipment carrier tape and shipment light film, and then a process carrier tape receiving mechanism (33) is utilized to roll the process carrier tape, so that the OCA optical adhesive with the four-layer 1:1 structure is obtained.
8. The method of claim 7, wherein: the OCA optical cement with the four-layer 1:1 structure comprises a delivery carrier tape, a second functional layer, a first functional layer and a delivery light film which are sequentially arranged; in the OCA optical cement with the four-layer 1:1 structure, the areas of the second functional layer and the first functional layer are smaller than the areas of the shipment carrier tape and the shipment light film.
9. The method of claim 7, wherein: in the step (1), before the second functional layer is attached to the shipment carrier tape, a step of preparing a plurality of grooves on the surface of the shipment carrier tape by using a groove making mechanism (14) is further included, and the width of each groove is smaller than that of the OCA composite film.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910769985.7A CN110481047B (en) | 2019-08-20 | 2019-08-20 | Hob die cutting system and method for OCA optical cement with four-layer 1:1 structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910769985.7A CN110481047B (en) | 2019-08-20 | 2019-08-20 | Hob die cutting system and method for OCA optical cement with four-layer 1:1 structure |
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| CN110481047B true CN110481047B (en) | 2020-07-21 |
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| CN111730681B (en) * | 2020-07-22 | 2020-11-17 | 太仓展新胶粘材料股份有限公司 | Preparation method of OCA optical cement with round hole having shading black edge and die cutting device |
| CN112249790A (en) * | 2020-09-29 | 2021-01-22 | 世星科技股份有限公司 | Roller cutter die cutting self-falling type equipment and technological process thereof |
| CN115610794B (en) * | 2022-12-01 | 2023-03-21 | 苏州天立达精密科技股份有限公司 | Automatic equipment of pasting that changes of OCA optical cement |
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