Assembly line type roller laminating equipment for SCA optical cement

Abstract

The utility model provides assembly line type roller laminating equipment for SCA optical cement, which belongs to the field of soft-to-hard and hard-to-hard laminating, and comprises soft-to-hard laminating equipment and a roller type hot-pressing laminating machine, the combined hard-to-hard structure products can be conveyed to the lower row of rollers in the heating cavity, the heating pipes in the heating cavity heat air, and the upper row of rollers and the lower row of rollers are heated through the hot air circulating system and the temperature control system. Then the temperature control and logic control system is used for adjusting and controlling the temperature of the surfaces of the rollers, the combined products of the hard-to-hard structure are conveyed to the upper row of rollers through the gear conveying system of the lower row of rollers, and the upper row of rollers sequentially extrude the products through an air cylinder or a servo motor; and the SCA optical cement is subjected to hot melting and leveling while gas in a product is exhausted, so that the aim of fitting is fulfilled.

Description

Technical Field

[0001] The utility model relates to the field of soft-to-hard and hard-to-hard lamination, in particular to a roller lamination device for SCA optical glue assembly line. Background Art

[0002] The soft-to-hard and hard-to-hard bonding methods are a method of combining two different objects by pressure bonding, so that the two different objects are pressed together to form a new object with the functions of the current two objects.

[0003] At present, SCA optical adhesive and hot-melt optical adhesive bonding equipment generally adopts a flat-plate hard-to-hard bonding method for vacuum hot pressing bonding. At the same time, the products after hard-to-hard bonding also need high-pressure degassing, which cannot be adapted to more efficient assembly line production, greatly affecting production efficiency and increasing the production cost of touch screens and touch display modules.

[0004] Therefore, it is necessary to provide a roller bonding device for SCA optical adhesive assembly line to solve the above technical problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a roller bonding device for SCA optical adhesive assembly line.

[0006] The utility model provides a roller bonding device for SCA optical glue assembly line, comprising a soft-to-hard bonding device and a roller-type hot pressing bonding machine, wherein the roller-type hot pressing bonding machine is located at the outer end of the soft-to-hard bonding device; a heating cavity is installed inside the roller-type hot pressing bonding machine, a hot air circulation system is installed inside the heating cavity, a heating pipe is installed below the hot air circulation system, an upper row of rollers is installed below the heating pipe, a lower row of rollers is installed below the upper row of rollers, servo motors are installed at the left and right ends of the upper row of rollers, a support is fixedly connected to the bottom end of the heating cavity, the support is connected to the lower row of rollers, a gear transmission system is installed at the left end of the lower row of rollers, and the gear transmission system is connected to the upper row of rollers.

[0007] Preferably, a shell is installed at the bottom end of the roller-type hot pressing laminating machine, and a logic control system is installed at the outer end of the shell.

[0008] Preferably, a pressure detection device is installed at the outer end of the shell and at the right end of the logic control system, a first temperature control system is installed at the right end of the pressure detection device, a second temperature control system is installed at the right end of the first temperature control system, and the first temperature control system is electrically connected to the hot air circulation system.

[0009] Preferably, a first platform is installed at the top of the soft-to-hard bonding device, a second platform is installed at the right end of the first platform, a bonding roller is installed at the top of the second platform, and a robot is installed at the front end of the first platform.

[0010] Preferably, a first conveyor belt is installed at the front end of the soft-to-hard bonding equipment, a combination table is installed at the front end of the first conveyor belt, a plurality of positioning blocks are installed at the top of the combination table, a combination block is installed at the rear end of the combination table, a suction block is installed at the front end of the combination table, a second conveyor belt is installed at the front end of the combination table, and the second conveyor belt is compatible with a roller-type hot pressing bonding machine.

[0011] Preferably, a cold air system is installed at the front end of the roller-type hot pressing laminating machine, and the cold air system is electrically connected to the second temperature control system. A third conveyor belt is installed at the front end of the cold air system, and an inspection platform is installed at the front end of the third conveyor belt. A plurality of detection lights and electrical measuring fixtures are installed at the top of the inspection platform.

[0012] Preferably, a fourth conveyor belt is installed at the front end of the inspection platform, a film pasting platform is installed at the front end of the fourth conveyor belt, a fifth conveyor belt is installed at the front end of the film pasting platform, a curing device is installed at the front end of the fifth conveyor belt, a plurality of curing devices are installed at the top of the curing device, a sixth conveyor belt is installed at the front end of the curing device, and a packaging platform is installed at the front end of the sixth conveyor belt.

[0013] Compared with the related art, the roller bonding device for SCA optical adhesive assembly line provided by the utility model has the following beneficial effects:

[0014] 1. A roller bonding device for SCA optical adhesive assembly line, which transmits the products with combined hard-to-hard structure to the lower roller in the heating chamber of the roller hot press bonding machine, heats the air through the heating tube in the heating chamber, heats the upper roller and the lower roller through the hot air circulation system and the temperature control system, and then adjusts and controls the temperature of the roller surface through the temperature control and logic control system, and transmits the products with combined hard-to-hard structure to the upper roller through the gear transmission system of the lower roller, and the upper roller squeezes the products in turn through the cylinder or servo motor, discharges the gas in the products and hot-melts the SCA optical adhesive to achieve the purpose of bonding.

[0015] 2. A roller bonding device for SCA optical glue assembly line, which places SCA optical glue on the second platform of the soft-to-hard bonding device, and places hard substrates such as glass, ceramics, PET, PC, ITO functional sheets, and display screens on the first platform, and bonds them in a soft-to-hard manner through bonding rollers. The SCA optical glue-bonded products are then sucked up by a robot and placed on a first conveyor belt. The conveyor belt transports the products to an alignment assembly table. This platform performs CCD or fixture alignment through a positioning block, and then absorbs and assembles hard substrates such as glass cover plates, polarizing plates, and protective films through an assembly block to form a pre-bonded touch screen or display screen or touch display screen and other similar hard-to-hard structure products. The assembled hard-to-hard structure products are sucked up by the suction block and placed on the second conveyor belt. The conveyor belt transports them to the lower row of rollers in the heating chamber of the roller-type hot press bonding machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the top view structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model.

[0018] Numbers in the figure: 1, soft-to-hard laminating equipment; 2, roller-type hot-press laminating machine; 101, first platform; 102, second platform; 103, laminating roller; 104, manipulator; 105, first conveyor belt; 106, assembly platform; 107, positioning block; 108, assembly block; 109, suction block; 110, second conveyor belt; 111, cold air system; 112, third conveyor belt; 113, inspection platform; 114, detection light and electrical measuring fixture; 115, fourth conveyor belt; 116, film laminating platform; 1 17. The fifth conveyor belt; 118. The curing device; 119. The curing device; 120. The sixth conveyor belt; 121. The packaging platform; 201. The hot air circulation system; 202. The heating tube; 203. The heating chamber; 204. The upper rollers; 205. The lower rollers; 206. The servo motor; 208. The support member; 209. The gear transmission system; 210. The housing; 211. The logic control system; 212. The pressure detection device; 213. The first temperature control system; 214. The second temperature control system. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1 to Figure 2 The utility model provides a roller bonding device for SCA optical adhesive assembly line, comprising a soft-to-hard bonding device 1 and a roller hot pressing bonding machine 2, wherein the roller hot pressing bonding machine 2 is located at the outer end of the soft-to-hard bonding device 1; a heating cavity 203 is installed inside the roller hot pressing bonding machine 2, a hot air circulation system 201 is installed inside the heating cavity 203, a heating pipe 202 is installed below the hot air circulation system 201, an upper row of rollers 204 are installed below the heating pipe 202, a lower row of rollers 205 are installed below the upper row of rollers 204, servo motors 206 are installed at the left and right ends of the upper row of rollers 204, a support member 208 is fixedly connected to the bottom end of the heating cavity 203, the support member 208 is connected to the lower row of rollers 205, a gear transmission system 209 is installed at the left end of the lower row of rollers 205, and the gear transmission system 209 is connected to the upper row of rollers 204;

[0021] The products with assembled hard-to-hard structure are conveyed to the lower roller 205 in the heating chamber 203, the heating tube 202 in the heating chamber heats the air, the upper roller 204 and the lower roller 205 are heated by the hot air circulation system 201 and the temperature control system 213, and the temperature of the roller surface is adjusted and controlled by the temperature control 213 and the logic control system 211, the products with assembled hard-to-hard structure are conveyed to the upper roller 204 through the gear transmission system 209 of the lower roller 205, the upper roller 204 squeezes the products in turn through the cylinder or servo motor 206, discharges the gas in the products and performs hot melt leveling of the SCA optical adhesive to achieve the purpose of bonding.

[0022] A housing 210 is installed at the bottom end of the roller-type heat-compression laminating machine 2 , and a logic control system 211 is installed at the outer end of the housing 210 .

[0023] A pressure detection device 212 is installed at the outer end of the shell 210 and at the right end of the logic control system 211. A first temperature control system 213 is installed at the right end of the pressure detection device 212. A second temperature control system 214 is installed at the right end of the first temperature control system 213. The first temperature control system 213 is electrically connected to the hot air circulation system 201.

[0024] A first platform 101 is installed at the top of the soft-to-hard bonding device 1 , a second platform 102 is installed at the right end of the first platform 101 , a bonding roller 103 is installed at the top of the second platform 102 , and a robot 104 is installed at the front end of the first platform 101 .

[0025] A first conveyor belt 105 is installed at the front end of the soft-to-hard bonding device 1, a combination table 106 is installed at the front end of the first conveyor belt 105, a plurality of positioning blocks 107 are installed at the top of the combination table 106, a combination block 108 is installed at the rear end of the combination table 106, a suction block 109 is installed at the front end of the combination table 106, and a second conveyor belt 110 is installed at the front end of the combination table 106, and the second conveyor belt 110 is compatible with the roller-type hot pressing bonding machine 2.

[0026] A cold air system 111 is installed at the front end of the roller-type hot pressing laminating machine 2. The cold air system 111 is electrically connected to the second temperature control system 214. A third conveyor belt 112 is installed at the front end of the cold air system 111. An inspection platform 113 is installed at the front end of the third conveyor belt 112. A plurality of detection lights and electrical measuring fixtures 114 are installed at the top of the inspection platform 113.

[0027] A fourth conveyor belt 115 is installed at the front end of the inspection platform 113, a film pasting platform 116 is installed at the front end of the fourth conveyor belt 115, a fifth conveyor belt 117 is installed at the front end of the film pasting platform 116, a curing device 118 is installed at the front end of the fifth conveyor belt 117, a plurality of curing devices 119 are installed at the top of the curing device 118, a sixth conveyor belt 120 is installed at the front end of the curing device 119, and a packaging platform 121 is installed at the front end of the sixth conveyor belt 120.

[0028] During operation, the SCA optical adhesive is placed on the second platform 102 of the soft-to-hard bonding device 1, and hard substrates such as glass, ceramics, PET, PC, ITO functional sheets, and display screens are placed on the first platform 101. The bonding is performed in a soft-to-hard manner by the bonding roller 103. The SCA optical adhesive-bonded product is then sucked by the robot 104 and placed on the first conveyor belt 105. The conveyor belt conveys the product to the alignment assembly platform 106. This platform performs CCD or fixture alignment through the positioning block 107, and then the glass cover, polarizing plate, protective film and other hard substrates are assembled through the assembly block 108. The substrates are sucked and combined to form a pre-laminated touch screen or display screen or touch display screen and other similar hard-to-hard structure products. The assembled hard-to-hard structure products are sucked by the suction block 109 and placed on the second conveyor belt 110. The conveyor belt conveys them to the lower roller 205 in the heating chamber 203 of the roller-type hot pressing laminating machine 2. The heating tube 202 in the heating chamber heats the air. The upper roller 204 and the lower roller 205 are heated by the hot air circulation system 201 and the temperature control system 213. Then, the temperature control 213 and the logic control system 211 are used to control the upper roller 204 and the lower roller 205. The temperature of the roller surface is adjusted and controlled, and the product with a hard-to-hard structure is transmitted to the upper roller 204 through the gear transmission system 209 of the lower roller 205. The upper roller 204 squeezes the product in turn through the cylinder or servo motor 206, and the gas in the product is discharged while the SCA optical adhesive is hot-melted and leveled to achieve the purpose of bonding. The support 208 in the equipment is used to support the lower roller 205 to prevent it from deformation and increase its service life. The following rollers repeat the above actions on the product in turn through the gear transmission system 209. The difference is that through the logic control system 2 11 sets different pressures, and detects the pressure through the pressure detection device 212, so as to apply pressure in sequence to achieve the final defoaming effect, wherein the roller temperature is 65-85°C, the upper roller first stage pressure: 0.1-0.3Mpa, speed 10-500mm / S, the upper roller second stage pressure: 0.2-0.4, speed 50-1000mm / S, the upper roller third stage pressure: 0.3-0.6Mpa, speed 50-1000mm / S, the upper roller fourth stage pressure: 0.2-0.4Mpa, speed 50-1000mm / S, the upper roller fifth stage pressure: 0.1-0.3Mpa, speed 50-1000mm / S, roller metal diameter 50mm-1000mm, roller surface needs to be coated with a 25-600mm thick silicone layer; the lower row of rollers has 5-20 more rollers at the inlet and outlet than the upper row of rollers, and its main function is to transmit products. The upper and lower rows of rollers are driven by gears to transmit products, and then a single roller or a group of 1-3 rollers is pressurized by a cylinder. The width and length of this equipment are unlimited, and the roller spacing is 5-10mm; after the product comes out, it is rapidly cooled by the cold air system 111, which can solve the problem of fogging of SCA optical glue. The cooled product is conveyed by the third The products are conveyed to the inspection platform 113 by the fourth conveyor belt 112, and the appearance and electrical function are inspected by the inspection light and the electrical test fixture 114. During the inspection, defective products are selected for disassembly and rework, and the qualified products are conveyed to the next process by the fourth conveyor belt 115. The qualified products that have been inspected are conveyed to the film-sticking platform 116 by the fourth conveyor belt 115 for the attachment of protective film and other auxiliary materials. The products with auxiliary materials attached are conveyed to the curing equipment 118 by the fifth conveyor belt 117, and are cured by UV light or high temperature baking by the curing device 119. The cured products are conveyed to the packaging platform 121 by the sixth conveyor belt 120 for packaging and IQC sampling inspection, and then shipped.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0030] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A roller bonding device for SCA optical adhesive assembly line, It is characterized in that It comprises a soft-to-hard laminating device (1) and a roller-type hot-pressing laminating machine (2), wherein the roller-type hot-pressing laminating machine (2) is located at the outer end of the soft-to-hard laminating device (1); The roller-type hot pressing laminating machine (2) is provided with a heating cavity (203) inside, a hot air circulation system (201) inside the heating cavity (203), a heating tube (202) below the hot air circulation system (201), an upper row of rollers (204) below the heating tube (202), a lower row of rollers (205) below the upper row of rollers (204), servo motors (206) at the left and right ends of the upper row of rollers (204), a support member (208) fixedly connected to the bottom end of the heating cavity (203), the support member (208) being connected to the lower row of rollers (205), a gear transmission system (209) being provided at the left end of the lower row of rollers (205), and the gear transmission system (209) being connected to the upper row of rollers (204).

2. The roller bonding device for SCA optical adhesive assembly line according to claim 1, It is characterized in that A housing (210) is installed at the bottom end of the roller-type hot-pressing laminating machine (2), and a logic control system (211) is installed at the outer end of the housing (210).

3. The roller bonding device for SCA optical adhesive assembly line according to claim 2, It is characterized in that A pressure detection device (212) is installed at the outer end of the shell (210) and at the right end of the logic control system (211); a first temperature control system (213) is installed at the right end of the pressure detection device (212); a second temperature control system (214) is installed at the right end of the first temperature control system (213); and the first temperature control system (213) is electrically connected to the hot air circulation system (201).

4. The roller bonding device for SCA optical adhesive assembly line according to claim 1, It is characterized in that A first platform (101) is installed at the top of the soft-to-hard bonding device (1), a second platform (102) is installed at the right end of the first platform (101), a bonding roller (103) is installed at the top of the second platform (102), and a robot (104) is installed at the front end of the first platform (101).

5. The roller bonding device for SCA optical adhesive assembly line according to claim 4, It is characterized in that A first conveyor belt (105) is installed at the front end of the soft-to-hard bonding device (1), a combination table (106) is installed at the front end of the first conveyor belt (105), a plurality of positioning blocks (107) are installed at the top of the combination table (106), a combination block (108) is installed at the rear end of the combination table (106), a suction block (109) is installed at the front end of the combination table (106), and a second conveyor belt (110) is installed at the front end of the combination table (106), and the second conveyor belt (110) is compatible with the roller-type hot-press bonding machine (2).

6. The roller bonding device for SCA optical adhesive assembly line according to claim 5, It is characterized in that The front end of the roller-type hot pressing laminating machine (2) is equipped with a cold air system (111), the cold air system (111) is electrically connected to the second temperature control system (214), the front end of the cold air system (111) is equipped with a third conveyor belt (112), the front end of the third conveyor belt (112) is equipped with an inspection platform (113), and the top of the inspection platform (113) is equipped with a plurality of inspection lights and electrical measuring fixtures (114).

7. The roller bonding device for SCA optical adhesive assembly line according to claim 6, It is characterized in that A fourth conveyor belt (115) is installed at the front end of the inspection platform (113), a film pasting platform (116) is installed at the front end of the fourth conveyor belt (115), a fifth conveyor belt (117) is installed at the front end of the film pasting platform (116), a curing device (118) is installed at the front end of the fifth conveyor belt (117), a plurality of curing devices (119) are installed at the top of the curing device (118), a sixth conveyor belt (120) is installed at the front end of the curing device (119), and a packaging platform (121) is installed at the front end of the sixth conveyor belt (120).

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