OCA processing device
By designing an OCA processing device with die cutting function of the original film knife, the problems of tie-bonding, viscosity loss and transmittance reduction at the starting position of the OCA optical glue material during the processing process are solved, and the effect of improving product yield and quality is achieved.
Patent Information
- Application Number
- CN202420736950.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-10
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-04-10
AI Technical Summary
During the processing process, OCA optical glue materials have problems such as tie-bonding at the start of waste discharge, viscosity loss and reduced transmittance.
An OCA processing device is designed, including an assembly line for conveying OCA, and a feed roller, a light film waste discharge and winding device, a raw film tool mold assembly, an OCA tool mold, an HL tool mold and a discharge roller are connected in sequence from the feed end to the discharge end. The original film after the cut of the original film knife die is connected to the OCA knife die to ensure no bonding phenomenon and prevent self-adhesion through the waste glue removal and winding device.
Through the use of this device, the viscosity and transmittance of OCA are not affected, and the yield of the product is improved by 5%-10%, thereby improving product quality and reducing costs.
Smart Images

Figure CN222809009U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of OCA optical adhesive material processing, in particular to an OCA processing device. Background Art
[0002] OCA is a special adhesive used to bond transparent optical components (such as lenses, etc.). It is required to be colorless and transparent, have a light transmittance of more than 95%, good bonding strength, can be cured at room temperature or medium temperature, and have small curing shrinkage.
[0003] OCA optical adhesive material bare cutting process mostly uses flat knife or round knife. Due to the special properties of OCA optical adhesive material, such as Figure 1 As shown in the figure, after the film-bearing product is processed by OCA die cutting, the following problems will occur:
[0004] 1. Pull the glue at the starting point of waste discharge;
[0005] 2. Viscous loss;
[0006] 3. Reduce OCA transmittance,
[0007] in, Figure 1 The shape of the OCA die, such as Figure 2 As shown, Figure 1 The shape of the HL die, such as Figure 3 shown.
[0008] In view of the above-mentioned defects, the designers have actively carried out research and innovation in order to create an OCA processing device with a new structure to make it more valuable for industrial use. Utility Model Content
[0009] In order to solve the above technical problems, the purpose of the utility model is to provide an OCA processing device.
[0010] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0011] An OCA processing device comprises an assembly line for conveying OCA, wherein a feed roller, a light film waste discharge and winding device, an original film cutting die assembly, an OCA cutting die, an HL cutting die and a discharge roller are sequentially connected from the feed end to the discharge end of the assembly line, wherein the original film cutting die assembly comprises an original film unwinding device, an original film cutting die, an original film waste conveying roller, an original film conveying roller and an original film waste winding device, and the original film on the original film unwinding device is connected to the OCA cutting die through the original film conveying roller after being processed by the original film cutting die, and at the same time, the waste of the original film after being processed by the original film cutting die is connected to the original film waste winding device through the original film waste conveying roller.
[0012] Preferably, in the OCA processing device, the original film cutting die is provided with a cutting die shape structure having the same shape as the OCA cutting die.
[0013] Preferably, in the OCA processing device, the width and length of the cutting die shape structure of the original film cutting die are greater than the length and width of the cutting die shape structure of the OCA cutting die.
[0014] Preferably, in the OCA processing device, the width of the cutting die shape structure of the original film cutting die is 46.59 mm.
[0015] Preferably, in the OCA processing device, the length of the cutting die shape structure of the original film cutting die is 47.28 mm.
[0016] Preferably, in the OCA processing device, the original film cutting die assembly further includes a light film conveying roller, and the light film conveying roller is located below the original film cutting die and also in front of the original film conveying roller.
[0017] Preferably, in the OCA processing device, the original film waste conveying roller is located at the front end of the original film conveying roller, and they are arranged adjacent to each other.
[0018] Preferably, in the OCA processing device, a waste glue discharge portion of the OCA cutting die is connected to a waste glue discharge winding device.
[0019] Preferably, in the OCA processing device, two waste rubber conveying rollers are connected between the OCA cutting die and the waste rubber winding device.
[0020] Preferably, in the OCA processing device, a waste film unwinding device for pasting waste glue is connected between the waste glue conveying rollers.
[0021] By means of the above solution, the utility model has at least the following advantages:
[0022] The utility model performs bare glue processing on the original film and hollows out the original film for waste discharge, which can ensure that there is no glue pulling phenomenon and will not affect the OCA viscosity and OCA transmittance, thereby increasing the yield by 5%-10%, improving the quality of the product, and ultimately achieving the purpose of reducing costs.
[0023] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the utility model in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.
[0025] Figure 1 It is the existing processing flow chart of the utility model;
[0026] Figure 2 This is a schematic diagram of the product after OCA die-cutting molding of the utility model;
[0027] Figure 3 This is a schematic diagram of the product after HL die-cutting molding of the utility model;
[0028] Figure 4 It is a structural schematic diagram of the utility model;
[0029] Figure 5 It is a schematic diagram of the product after the original film is cut and molded by the utility model. DETAILED DESCRIPTION
[0030] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.
[0031] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.
[0032] Example
[0033] like Figure 4 and Figure 5As shown, an OCA processing device includes an assembly line 100 for conveying OCA, and a feed roller 1, a light film waste discharge and winding device 2, an original film knife die assembly 3, an OCA knife die 4, an HL knife die 5 and a discharge roller are connected in sequence from the feed end to the discharge end of the assembly line 100. The original film knife die assembly 3 includes an original film unwinding device 31, an original film knife die 32, an original film waste conveying roller 33, an original film conveying roller 34 and an original film waste winding device 35. After the original film on the original film unwinding device 31 is processed by the original film knife die 32, it is connected to the OCA knife die 4 through the original film conveying roller 34. At the same time, the waste of the original film after being processed by the original film knife die 32 is connected to the original film waste winding device 35 through the original film waste conveying roller 33.
[0034] The original film cutting die 32 in the utility model is provided with a cutting die shape structure having the same shape as the OCA cutting die, wherein the width and length of the cutting die shape structure of the original film cutting die 32 are greater than the length and width of the cutting die shape structure of the OCA cutting die.
[0035] The width of the die shape structure of the original film die 32 is 46.59 mm; the length of the die shape structure of the original film die 32 is 47.28 mm. The product formed by the OCA die can be dropped into the hole cut by the original film die 32 ( Figure 5 shown).
[0036] The original film cutting die assembly 3 of the present invention further includes a light film conveying roller 36 , which is located below the original film cutting die 32 and in front of the original film conveying roller 34 .
[0037] The original film waste conveying roller 33 in the present invention is located at the front end of the original film conveying roller 34, and they are arranged adjacent to each other.
[0038] The waste glue discharge part of the OCA cutting die 4 in the utility model is connected with a waste glue winding device 42, two waste glue conveying rollers 41 are connected between the OCA cutting die 4 and the waste glue winding device, and a waste film unwinding device 43 for pasting the waste glue is connected between the waste glue conveying rollers. The waste glue can be effectively rolled up by the waste film unwinding device to prevent the waste glue from self-adhesion.
[0039] The winding and / or unwinding devices mentioned in the utility model for products, original films and other materials are all prior arts known in the art. The patent: A PET rotary discharge OCA waste (CN202222909384.1) has been disclosed and no further description will be made.
[0040] The working principle of the utility model is as follows:
[0041] During specific work, the utility model processes and Figure 1The production line processing is almost similar, except that the original film is processed before the OCA die cutter, and the original film is processed into the same shape as the OCA die cutter, such as Figure 5 As shown, the processed original film is then passed through a conveyor roller to fit the product and overlap it. After passing through the OCA die cutter, the processed area of the original film (i.e. Figure 5 ) The products in the factory are processed by OCA and the corresponding waste treatment is carried out. The subsequent processing is the same as the existing Figure 1 The processing in is almost the same, so no further elaboration is made.
[0042] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.
[0043] In the description of this application, it should be noted that the terms "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the application is usually placed when in use. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.
[0044] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or vertical, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.
[0045] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0046] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as within the protection scope of the present invention.
Claims
1. An OCA processing device, comprising an OCA conveying line (100), wherein a feed roller (1), a light film waste discharge and winding device (2), an original film cutting die assembly (3), an OCA cutting die (4), an HL cutting die (5) and a discharge roller are sequentially connected from the feed end to the discharge end of the line (100), characterized in that: The original film cutting die assembly (3) comprises an original film unwinding device (31), an original film cutting die (32), an original film waste conveying roller (33), an original film conveying roller (34) and an original film waste winding device (35). After the original film on the original film unwinding device (31) is processed by the original film cutting die (32), it is connected to the OCA cutting die (4) through the original film conveying roller (34). At the same time, the waste of the original film after being processed by the original film cutting die (32) is connected to the original film waste winding device (35) through the original film waste conveying roller (33).
2. An OCA processing device according to claim 1, characterized in that: The original film cutting die (32) is provided with a cutting die shape structure having the same shape as the OCA cutting die.
3. An OCA processing device according to claim 2, characterized in that: The width and length of the die shape structure of the original film die (32) are both greater than the length and width of the die shape structure of the OCA die.
4. An OCA processing device according to claim 3, characterized in that: The width of the die shape structure of the original film die (32) is 46.59 mm.
5. The OCA processing device according to claim 3, characterized in that: The length of the die shape structure of the original film die (32) is 47.28 mm.
6. The OCA processing device according to claim 1, characterized in that: The original film cutting die assembly (3) also includes a light film conveying roller (36), and the light film conveying roller (36) is located below the original film cutting die (32) and is also located in front of the original film conveying roller (34).
7. An OCA processing device according to claim 1, characterized in that: The original film waste conveying roller (33) is located at the front end of the original film conveying roller (34), and they are arranged adjacent to each other.
8. An OCA processing device according to claim 1, characterized in that: The waste glue discharge position of the OCA cutting die (4) is connected to a waste glue discharge winding device.
9. An OCA processing device according to claim 8, characterized in that: Two waste rubber discharge conveying rollers are connected between the OCA cutting die (4) and the waste rubber discharge winding device.
10. An OCA processing device according to claim 9, characterized in that: A waste film unwinding device for pasting waste glue is connected between the waste glue conveying rollers.
Citation Information
Patent Citations
PET (polyethylene terephthalate) rotary OCA (optically clear adhesive) edge waste discharging device
CN219485809U