An automated FCCL production adhesive coating device

By employing a system of blower blowing, agitator stirring, glue application by roller coating, exhaust cooling, and impurity adsorption, the problems of particulate impurities and adhesive flowability in traditional spraying and roller coating methods have been solved, thereby improving the yield and bonding effect of FCCL production.

CN117244750BActive Publication Date: 2026-01-06YUNJI PERMANENT MAGNET APPLICATION (BEIJING) ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202311148906.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-09-07
Publication Date
2026-01-06
Estimated Expiration
2043-09-07

AI Technical Summary

Technical Problem

In the existing technology, the traditional spray adhesive method is prone to bringing in particulate impurities, resulting in particulate bulges on the surface of the soft copper foil substrate during FCCL production. In addition, the adhesive of the roller adhesive method has poor flowability, which reduces the adhesion effect between the polyimide film and the copper foil.

Method used

The system employs a combination of a blower for air blowing, a stirring plate for mixing, a glue roller for applying adhesive, a blower for cooling, and an impurity adsorption system. This, along with a heat-conducting plate for heating and a friction plate for electrostatic adsorption, prevents the adhesion of particulate impurities and ensures the fluidity and bonding effect of the adhesive.

Benefits of technology

It effectively prevents the adhesion of particulate impurities, improves the flowability of adhesive, ensures the bonding effect between polyimide film and copper foil, and improves the production yield of FCCL.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application relates to the field of FCCL production, and particularly relates to a kind of automatic FCCL production glue coating device.The technical problem to be solved is that airflow generated by traditional glue spraying can easily bring up particle impurities, and polyimide film treated by corona discharge can easily adsorb particle impurities, causing FCCL to have particle bulges, and at the same time, glue is applied by rolling glue, and the deposited adhesive has poor flowability and gradually solidifies, reducing the adhesion effect of polyimide film and copper foil.The technical scheme is that a kind of automatic FCCL production glue coating device is provided, which comprises a console and a support plate, etc.;the right side of the console is provided with a support plate.The present application realizes heating of the adhesive transferred by the heat conduction plate to the glue roller, prevents the adhesive transferred by the glue pipe to the glue roller from gradually solidifying due to cold, guarantees the glue application effect on the copper foil bonding surface, and at the same time, avoids the adhesive applied to the copper foil bonding surface from having solidified adhesive bumps, further guaranteeing the adhesion effect of polyimide film and copper foil.
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Description

Technical Field

[0001] This invention relates to the field of FCCL production, and more particularly to an automated FCCL production adhesive coating device. Background Technology

[0002] Chinese patent application number CN201921568499.0 discloses a coating device for FCCL production. This device improves the precision and accuracy of the lifting structure of the scraper by changing it, resulting in more uniform material spraying. It also simplifies the overall structure and facilitates installation by altering the installation method and composition of the spraying structure, thereby increasing work efficiency. However, this device uses a traditional adhesive spraying method to apply adhesive to the FCCL. This method not only has low adhesive utilization but also causes airflow during spraying to easily carry particulate impurities. These particulate impurities, along with the adhesive, are sprayed onto the FCCL, resulting in particle bulges on the surface of the produced flexible copper foil substrate, which greatly reduces the production yield of FCCL.

[0003] In existing adhesive application methods, using roller adhesive can avoid the problem of FCCL having particle bulges caused by the airflow generated by traditional spray adhesive, which is prone to carrying particulate impurities.

[0004] Furthermore, during FCCL production, the polyimide film needs to be corona treated to improve its adhesion. However, the surface of the corona-treated polyimide film carries a charge, making it prone to adsorbing particulate impurities. This results in particulate bulges on the surface of the produced flexible copper foil substrate. At the same time, due to the slow movement speed during FCCL production, the adhesive applied by roller coating has poor flowability and gradually solidifies. This results in solidified adhesive bumps on the adhesive applied to the bonding surface of the polyimide film, reducing the adhesion between the polyimide film and the copper foil. Summary of the Invention

[0005] To overcome the shortcomings of traditional spray adhesive application, which easily carries particulate impurities from the airflow, and the corona-treated polyimide film easily adsorbing particulate impurities, resulting in particulate bulges on FCCLs, and the use of roller adhesive application, which results in poor flowability of the deposited adhesive and gradual solidification, reducing the adhesion between the polyimide film and the copper foil, this invention provides an automated adhesive coating device for FCCL production.

[0006] The technical solution is as follows: An automated FCCL production adhesive coating device includes a control console and a support plate; the support plate is located on the right side of the control console; it also includes a feeding transmission assembly, a fan, an adhesive application assembly, a stirring plate, a recycled adhesive application assembly, and a cooling system; the feeding transmission assembly for conveying materials is located on the right side of the control console; a fan for blowing air onto the bonding surface of the materials is installed on the right side of the control console; the fan's outlet faces the rear of the control console; an adhesive application assembly for applying adhesive to polyimide film is located on the right side of the control console; the adhesive application assembly has several stirring plates for thoroughly mixing the adhesive; a recycled adhesive application assembly for brushing adhesive onto the bonding surface of copper foil is installed on the adhesive application assembly; and a cooling system is installed on the adhesive application assembly.

[0007] Furthermore, the feeding drive assembly includes a material roller, a conveyor roller, and a corona roller; two material rollers, which rotate vertically and vertically to carry materials, are connected to the rear right side of the control console; the upper material roller carries a polyimide film; the lower material roller carries copper foil; several conveyor rollers, which rotate to transfer materials, are connected to the right side of the control console; several corona rollers, which rotate to corona treat the polyimide film, are connected to the center right side of the control console; the material roller, conveyor roller, and corona roller are all rotatably connected to the support plate.

[0008] Furthermore, the adhesive application assembly includes an adhesive reservoir, an adhesive application roller, an extrusion roller, a scraper, and a return pipe. An adhesive reservoir for storing adhesive is fixed to the right side of the control panel. An adhesive application roller for applying adhesive to the polyimide film is connected to the right side of the control panel. The adhesive application roller is located inside the adhesive reservoir and is made of a thermally conductive material. The outer side of the adhesive application roller is connected to a stirring plate via a torsion spring. An extrusion roller for extruding the polyimide film is connected to the right side of the control panel. The extrusion roller is located above the adhesive application roller. A scraper for controlling the adhesive application thickness is connected to the right side of the control panel. The scraper is located in front of the adhesive application roller. A return hole is provided on the scraper for collecting and transferring the scraped adhesive. A return pipe for transferring the scraped adhesive to the adhesive reservoir is fixed to the lower side of the scraper. The upper end of the return pipe communicates with the return hole, and the lower end of the return pipe communicates with the inside of the adhesive reservoir.

[0009] Furthermore, the upper rear part of the glue storage cylinder is positioned higher than the upper front part of the glue storage cylinder, and the upper rear part of the glue storage cylinder is close to the bonding surface of the polyimide film.

[0010] Furthermore, the adhesive recycling assembly includes adhesive feeding tubes, a housing, and an adhesive roller; the scraper has an inlet hole for collecting adhesive that passes over the scraper blade; several adhesive feeding tubes for conveying adhesive are fixedly connected to the lower side of the scraper; the upper ends of the several adhesive feeding tubes are all connected to the inlet hole; the lower ends of the several adhesive feeding tubes are all fixedly connected to a housing; and a rotating adhesive roller for applying adhesive to the copper foil bonding surface is connected inside the housing.

[0011] Furthermore, the recycled adhesive assembly also includes heat-conducting plates; several heat-conducting plates for conducting heat are fixedly attached to the housing; the other end of each heat-conducting plate is fixedly attached to the outside of the adhesive storage cylinder.

[0012] Furthermore, the cooling system includes an exhaust pipe and an exhaust fan; several exhaust pipes are fixedly connected to the front of the fan; an exhaust fan for cooling the bonding surface of the polyimide film and copper foil after adhesive coating is fixedly connected to the front of the scraper; the bottom of the exhaust fan is connected to the upper end of the exhaust pipe.

[0013] Furthermore, the cooling system also includes levers and air guide plates; there is a lever on both the left and right sides of the exhaust fan, and both levers are perpendicular to the air inlet of the exhaust fan; several air guide plates for guiding airflow are fixed between the two levers, and each air guide plate is set in a downward tilting state on the side near the exhaust fan.

[0014] Furthermore, it also includes an impurity adsorption system, which includes a friction plate, a rubber plate, a fan, a first bevel gear, and a second bevel gear; the two levers are rotatably connected to a friction plate at the ends away from the exhaust fan; a rubber plate for adsorbing particulate impurities and easy to disassemble is provided on the left side of the support plate; the rubber plate is located above the copper foil coating position; a fan is rotatably connected to the left and right sides of the exhaust fan's air inlet; a first bevel gear is fixedly connected to the rear side of each fan; a second bevel gear is rotatably connected to the left and right sides of the exhaust fan via torsion springs, which drives the levers to swing; half of the contact surface between the second bevel gear and the first bevel gear has teeth, and the other half is a smooth surface; the second bevel gear is fixedly connected to the levers.

[0015] Furthermore, the rubber plate is provided with several collection grooves for collecting particulate impurities; the collection grooves are located below the contact position between the friction plate and the rubber plate.

[0016] The beneficial effects are: the present invention realizes that by blowing air on the bonding surface of the polyimide film with a fan, the polyimide film carrying particulate impurities is prevented from being brushed with glue, thus avoiding the production of flexible copper foil substrate with particulate bulges on the surface and ensuring the production yield of flexible copper foil substrate.

[0017] The adhesive with poor flowability in the storage tank is thoroughly stirred by the stirring plate to prevent the adhesive deposited at the bottom of the storage tank from gradually solidifying due to poor flowability. This avoids the adhesive brushed onto the bonding surface of the polyimide film having solidified adhesive bumps, thus ensuring the bonding effect between the polyimide film and the copper foil.

[0018] Applying adhesive to the bonding surface of the copper foil using a roller changes the bonding process from smooth surface to adhesive surface to adhesive surface to prevent misalignment during bonding and further ensures the adhesion between the polyimide film and the copper foil.

[0019] The adhesive is heated by a heat-conducting plate to prevent it from gradually solidifying when it cools down. This ensures the adhesive coating effect on the copper foil bonding surface and also prevents the adhesive brushed onto the copper foil bonding surface from having solidified adhesive bumps, further ensuring the bonding effect between the polyimide film and the copper foil.

[0020] The adhesive is cooled by exhaust fan to prevent the adhesive from slipping off the surface of the polyimide film and copper foil after coating. This avoids the formation of adhesive protrusions on the surface of the polyimide film and copper foil, which would result in uneven distribution of adhesive and further ensure the bonding effect between the polyimide film and copper foil.

[0021] By guiding the airflow downwards through the air intake plate, the airflow generated by the suction is prevented from guiding particulate impurities and adhering them to the coating position of the polyimide film, thus avoiding the presence of particulate bulges on the surface of the produced flexible copper foil substrate and further ensuring the production yield of the flexible copper foil substrate.

[0022] By repeatedly rubbing the friction plate against the rubber plate, static electricity is generated on the surface of the rubber plate, which adsorbs particulate impurities at the coating position of the polyimide film and copper foil. This prevents the airflow guided by the fan plate from carrying particulate impurities to the coating position of the copper foil, thus avoiding particulate bulges on the surface of the produced flexible copper foil substrate and further ensuring the production yield of the flexible copper foil substrate. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the first three-dimensional structure of the present invention;

[0024] Figure 2 This is a schematic diagram of the second three-dimensional structure of the present invention;

[0025] Figure 3 This is a three-dimensional structural diagram of the combined feeding transmission assembly, fan, and gluing assembly of the present invention.

[0026] Figure 4 This is a three-dimensional structural diagram of the feeding transmission assembly and fan assembly of the present invention;

[0027] Figure 5 This is a partial cross-sectional view of the adhesive application component of the present invention;

[0028] Figure 6 This is a three-dimensional structural diagram of the adhesive application assembly and stirring plate combination of the present invention;

[0029] Figure 7 This is a three-dimensional structural diagram of the first part of the adhesive application assembly of the present invention;

[0030] Figure 8This is a three-dimensional structural diagram of the second part of the adhesive application assembly of the present invention;

[0031] Figure 9 This is a three-dimensional structural diagram of the first combination of the gluing assembly and the recycling gluing assembly of the present invention;

[0032] Figure 10 This is a schematic diagram of a second combined three-dimensional structure of the gluing assembly and the recycling gluing assembly of the present invention;

[0033] Figure 11 This is a schematic diagram of the first partial three-dimensional structure of the present invention;

[0034] Figure 12 This is a three-dimensional structural diagram of the combined fan and cooling system of the present invention;

[0035] Figure 13 This is a schematic diagram of a first combined three-dimensional structure of the cooling system and impurity adsorption system of the present invention;

[0036] Figure 14 This is a schematic diagram of the second partial three-dimensional structure of the present invention;

[0037] Figure 15 This is a schematic diagram of a second combined three-dimensional structure of the cooling system and impurity adsorption system of the present invention.

[0038] In the attached diagram, the following are the reference numerals: 1-Control console, 2-Support plate, 3-Fan, 4-Agitator, 101-Material roller, 102-Transfer roller, 103-Corona roller, 201-Glue storage cylinder, 202-Glue application roller, 203-Extrusion roller, 204-Glue scraper, 20401-Return hole, 20402-Glue inlet hole, 205-Return pipe, 206-First driving component, 207-Second driving component, 301-Glue delivery pipe, 302-Cover, 303-Glue rolling roller, 304-Heat conduction plate, 401-Exhaust pipe, 402-Exhaust fan, 403-Lever, 404-Air guide plate, 501-Friction plate, 502-Rubber plate, 50201-Collection tank, 503-Fan, 504-First bevel gear, 505-Second bevel gear. Detailed Implementation

[0039] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments.

[0040] Example 1

[0041] like Figures 3-10 As shown, an automated FCCL production adhesive application device includes a control console 1 and a support plate 2; the support plate 2 is provided on the right side of the control console 1.

[0042] It also includes a feeding drive assembly, a blower 3, an adhesive application assembly, a stirring plate 4, a recycling adhesive application assembly, and a cooling system; the feeding drive assembly is located on the right side of the control console 1; the blower 3 is installed on the right side of the control console 1; the air outlet of the blower 3 faces the rear of the control console 1; the adhesive application assembly is located on the right side of the control console 1; several stirring plates 4 are installed on the adhesive application assembly; the recycling adhesive application assembly is installed on the adhesive application assembly; the cooling system is installed on the adhesive application assembly; when producing flexible copper foil substrate, the feeding drive assembly is controlled by the control console 1 to transfer the polyimide film and copper foil. The polyimide film is located above the copper foil. During the transfer process, the control console 1 powers the feeding drive assembly to perform corona treatment on the polyimide film, making it easier for the adhesive to adhere to the surface of the polyimide film. The blower 3 blows air onto the bonding surface of the polyimide film to reduce particulate impurities on the bonding surface of the polyimide film and prevent the polyimide film from carrying particulate impurities during brushing. Adhesive treatment prevents the production of flexible copper foil substrates with particle bulges on the surface, ensuring the production yield of flexible copper foil substrates. Adhesive is applied to the bonding surface of the polyimide film through an adhesive application component. During the adhesive application process, the torsion springs between the adhesive application component and each stirring plate 4 cause the stirring plate 4 to expand when it enters the adhesive, fully stirring the poor-flow adhesive in the adhesive application component. This ensures that the adhesive deposited at the bottom is fully utilized and prevents the poor-flow adhesive deposited at the bottom from gradually solidifying. This also avoids the adhesive applied to the bonding surface of the polyimide film having solidified adhesive bumps, ensuring the bonding effect between the polyimide film and the copper foil. Excess adhesive scraped from the polyimide film by the adhesive application component is collected through a recycling adhesive application component and then applied to the bonding surface of the copper foil. This fully utilizes the excess adhesive scraped from the polyimide film, further ensuring the bonding effect between the polyimide film and the copper foil.

[0043] The feeding transmission assembly includes a material roller 101, a conveyor roller 102, and a corona roller 103. Two vertically distributed material rollers 101 are connected to the rear right side of the control console 1. The upper material roller 101 carries a polyimide film, while the lower material roller 101 carries a copper foil. Several conveyor rollers 102 are connected to the right side of the control console 1. Two corona rollers 103 are connected to the middle right side of the control console 1. The material rollers 101, conveyor rollers 102, and corona rollers 103 are all rotatably connected to the support plate 2. The material rollers 101 respectively limit and support the polyimide film and copper foil, while the control console 1 controls the conveyor rollers. Rotation 102 causes the polyimide film and copper foil to move. During this movement, the corona roller 103 is energized via control console 1, causing the chemical bonds of the plastic molecules in the polyimide film to break and degrade. The discharge also generates a large amount of ozone, a strong oxidant that can oxidize plastic molecules and produce highly polar groups such as carbonyl and peroxides. This improves the adhesion of the polyimide film surface, enhances the adhesive's adhesion to the polyimide film surface, and prevents the adhesive from falling off the polyimide film during transport, ensuring the normal production of the flexible copper foil substrate.

[0044] The adhesive application assembly includes an adhesive reservoir 201, an application roller 202, an extrusion roller 203, a scraper 204, and a return pipe 205. The adhesive reservoir 201 is fixedly connected to the right side of the control console 1. The application roller 202 is connected to the right side of the control console 1. The application roller 202 is located inside the adhesive reservoir 201 and is made of a heat-conducting material. The control console 1 controls the application roller 202 to heat the adhesive in the adhesive reservoir 201, causing air bubbles in the adhesive to rise and thus helping to eliminate air bubbles and prevent them from adhering to the polyimide film, avoiding defects in the production process. The flexible copper foil substrate has cavities on its surface, further ensuring the production yield of the flexible copper foil substrate; the outer side of the gluing roller 202 is connected to the stirring plate 4 via a torsion spring; the right side of the control console 1 is connected to the extrusion roller 203; the extrusion roller 203 is located above the gluing roller 202; the right side of the control console 1 is connected to the scraper 204; the scraper 204 is located in front of and above the gluing roller 202; the scraper 204 has a return hole 20401; a return pipe 205 is fixedly connected to the lower side of the scraper 204; the upper end of the return pipe 205 communicates with the return hole 20401; the lower end of the return pipe 205 communicates with the glue storage cylinder 201; in the case of polyamide When applying adhesive to the polyimide film, the extrusion roller 203 presses the polyimide film onto the adhesive roller 202. Using a right-to-left perspective, the adhesive roller 202 drives the stirring plates 4 to rotate counter-clockwise within the adhesive storage cylinder 201, applying the adhesive onto the polyimide film. As the adhesive roller 202 drives the stirring plates 4 into the adhesive, several stirring plates 4 expand via torsion springs and simultaneously contact the inner wall of the adhesive storage cylinder 201, thoroughly agitating the poorly flowing adhesive within the cylinder. This enhances the flowability of the adhesive deposited at the bottom of the cylinder 201, preventing the poorly flowing adhesive from gradually dissipating. Gradual solidification prevents the adhesive applied to the polyimide film from forming solidified adhesive bumps, ensuring the adhesion between the polyimide film and the copper foil. When the agitator 4, carrying adhesive, comes into contact with the polyimide film, the agitator 4 is pressed to the outside of the adhesive roller 202 by the extrusion roller 203 via the torsion spring, preventing the adhesive on the polyimide film from breaking after the agitator 4 expands, thus ensuring the adhesive application effect on the polyimide film. The adhesive scraper 204 scrapes the adhesive-coated polyimide film to control the thickness of the adhesive on the polyimide film, ensuring the adhesion between the polyimide film and the copper foil.

[0045] The upper rear part of the glue storage cylinder 201 is positioned higher than the upper front part of the glue storage cylinder 201, and the upper rear part of the glue storage cylinder 201 is close to the bonding surface of the polyimide film; when the stirring plate 4 carries the adhesive and comes into contact with the polyimide film, it prevents the stirring plate 4 from being separated from the upper rear part of the glue storage cylinder 201 and being instantly lifted upward by the torsion spring, so as to avoid the stirring plate 4 being lifted up and throwing the adhesive into the device, which would make the operation of the device and subsequent cleaning of the device difficult.

[0046] The glue recycling assembly includes a glue delivery tube 301, a housing 302, and a glue roller 303; a glue inlet hole 20402 is provided on the glue scraper 204; several glue delivery tubes 301 are fixedly connected to the lower side of the glue scraper 204; the upper ends of the glue delivery tubes 301 are all connected to the glue inlet hole 20402; the lower ends of the glue delivery tubes 301 are all fixedly connected to a housing 302; the glue roller 303 is connected inside the housing 302; glue is collected through the glue inlet hole 20402. The adhesive scraper 204 scrapes the adhesive from the blade and conveys it to the glue roller 303 through the glue delivery pipe 301. The glue roller 303 applies the adhesive to the bonding surface of the copper foil, changing the adhesion from the smooth surface of the copper foil to the adhesive surface when bonding with the polyimide film, thus making full use of the excess adhesive scraped from the polyimide film and preventing the polyimide film from shifting when bonding with the copper foil, thereby further ensuring the bonding effect between the polyimide film and the copper foil.

[0047] The recycling adhesive application assembly also includes a heat-conducting plate 304; several heat-conducting plates 304 are fixedly attached to the housing 302; the other end of each heat-conducting plate 304 is fixedly attached to the outside of the adhesive storage cylinder 201; the heat generated inside the adhesive storage cylinder 201 is guided to the housing 302 through the heat-conducting plates 304, heating the adhesive that is transferred from the adhesive delivery pipe 301 to the adhesive roller 303, preventing the adhesive that is transferred from the adhesive delivery pipe 301 to the adhesive roller 303 from gradually solidifying when it cools down, thus ensuring the adhesive application effect on the copper foil bonding surface. At the same time, it avoids the adhesive applied to the copper foil bonding surface from having solidified adhesive bumps, further ensuring the bonding effect between the polyimide film and the copper foil.

[0048] It also includes a drive assembly, which includes a first drive component 206 and a second drive component 207. A first drive component 206, which is an electric push rod, is fixedly connected to both the control console 1 and the support plate 2 on opposite sides. The telescopic ends of both first drive components 206 are rotatably connected to the extrusion roller 203. A second drive component 207, which is an electric push rod, is fixedly connected to both the control console 1 and the support plate 2 on opposite sides. The telescopic ends of both second drive components 207 are fixedly connected to the glue scraper 204. The two first drive components 206 control the extrusion roller 203 to press the polyimide film onto the adhesive roller 202, and the two second drive components 207 control the glue scraper 204 to scrape the adhesive-coated polyimide film, controlling the thickness of the adhesive on the polyimide film and ensuring the bonding effect between the polyimide film and the copper foil.

[0049] Example 2

[0050] Based on Example 1, such as Figure 11 and Figure 12As shown, the cooling system includes an exhaust pipe 401 and an exhaust fan 402; several exhaust pipes 401 are fixedly connected to the front side of the fan 3; the exhaust fan 402 is fixedly connected to the front side of the scraper 204; the bottom of the exhaust fan 402 is connected to the upper end of the exhaust pipe 401; when the fan 3 blows air onto the bonding surface of the polyimide film, the suction force generated by the air inlet of the fan 3 is transmitted to the exhaust fan 402 through the exhaust pipes 401, causing the exhaust fan 402 to generate suction force, which in turn applies suction force to the adhesive-coated polyimide film and copper foil. Air is drawn off from the bonding surface to accelerate airflow between the coated polyimide film and the copper foil bonding surface, thereby speeding up the heat exchange rate with the air and cooling the bonding surface. This prevents the adhesive from slipping off the bonding surface and avoids the formation of adhesive protrusions, which would result in uneven adhesive distribution. This further ensures the bonding effect between the polyimide film and the copper foil.

[0051] The cooling system also includes levers 403 and air guide plates 404. A lever 403 is provided on both the left and right sides of the exhaust fan 402, and both levers 403 are perpendicular to the air inlet of the exhaust fan 402. Several air guide plates 404 are fixed between the two levers 403, and each air guide plate 404 is inclined downwards on the side closest to the exhaust fan 402. When the fan 3 drives the exhaust fan 402 to extract air from the adhesive-coated polyimide film and copper foil bonding surface, the airflow generated by the extraction causes the airflow at the adhesive-coated position of the polyimide film to pass through the air guide plates 404 one by one. The airflow is guided downwards by the air guide plates 404, which are inclined downwards on the side closest to the exhaust fan 402, preventing the airflow from guiding particulate impurities and adhering them to the adhesive-coated position of the polyimide film. This avoids particle bulges on the surface of the produced flexible copper foil substrate, further ensuring the production yield of the flexible copper foil substrate.

[0052] Example 3

[0053] Based on Examples 1 and 2, such as Figure 1 , Figure 2 and Figures 13-15As shown, it also includes an impurity adsorption system, which includes a friction plate 501, a rubber plate 502, a fan 503, a first bevel gear 504, and a second bevel gear 505; two levers 403 are rotatably connected to a friction plate 501 at their ends away from the exhaust fan 402; a rubber plate 502 is provided on the left side of the support plate 2; the rubber plate 502 is located above the copper foil coating position; a fan 503 is rotatably connected to the left and right sides of the air inlet of the exhaust fan 402; a first bevel gear 504 is fixedly connected to the rear side of each fan 503; a second bevel gear 505 is connected to the left and right sides of the exhaust fan 402 via torsion springs; half of the contact surface between the second bevel gear 505 and the first bevel gear 504 has teeth, and the other half is a smooth surface; the second bevel gear 505 is fixedly connected to the lever 403; when the fan 3 drives the exhaust fan 402 to extract air, the airflow entering the exhaust fan 402 drives the fan 503 to rotate, and the fan 503 drives... The first bevel gear 504 rotates, which drives the second bevel gear 505 to rotate. Since half of the contact surface between the second bevel gear 505 and the first bevel gear 504 has gears and the other half is a smooth plane, after the first bevel gear 504 rotates to the smooth surface of the second bevel gear 505, the second bevel gear 505 loses the power transmission of the first bevel gear 504 and is reset by the torsion spring connected to the exhaust fan 402. This causes the lever 403 to swing up and down on the exhaust fan 402, which in turn causes the friction plate 501 to rub repeatedly on the rubber plate 502, generating static electricity on the surface of the rubber plate 502. The static electricity generated on the surface of the rubber plate 502 adsorbs particulate impurities at the coating position of the polyimide film and the copper foil, preventing the airflow guided by the exhaust plate 404 from carrying particulate impurities to adhere to the coating position of the copper foil. This avoids the production of flexible copper foil substrate with particulate bulges on the surface, further ensuring the production yield of flexible copper foil substrate.

[0054] The rubber plate 502 is provided with several collection grooves 50201; the collection grooves 50201 are located at the lower part of the contact position between the friction plate 501 and the rubber plate 502; the collection grooves 50201 intercept the particulate impurities contained in the airflow guided downward by the air duct 404, preventing the rubber plate 502 from having insufficient adsorption effect, which would cause particulate impurities to adhere to the adhesive position of the copper foil below the rubber plate 502, thus avoiding the production of flexible copper foil substrate with particulate bulges on the surface, and further ensuring the production yield of flexible copper foil substrate.

[0055] The above embodiments are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Therefore, all equivalent changes made to the content described in the claims of the present invention should be included within the scope of the claims of the present invention.

Claims

1. A kind of automatic FCCL production with glue spreading device, including control console (1) and support plate (2);The right side of control console (1) is provided with support plate (2);Its characterized by, The feeding transmission assembly, the fan (3), the gluing assembly, the stirring plate (4), the recycled glue brushing assembly and the cooling system are further included; the feeding transmission assembly for transmitting materials is arranged on the right side of the console (1); the fan (3) for blowing air to the surface of the materials is arranged on the right side of the console (1); the air outlet of the fan (3) faces the rear of the console (1); the gluing assembly for gluing the polyimide film is arranged on the right side of the console (1); a plurality of stirring plates (4) for fully stirring glue are arranged on the gluing assembly; the recycled glue brushing assembly for brushing glue to the surface of the copper foil is arranged on the gluing assembly; the cooling system is arranged on the gluing assembly. The gluing assembly includes the glue scraper (204); the glue scraper (204) for controlling the gluing thickness is connected to the right side of the console (1) and is lifted; The cooling system includes the air suction pipe (401) and the air suction device (402); a plurality of air suction pipes (401) are fixedly connected to the front side of the fan (3); the air suction device (402) for cooling the surface of the polyimide film and the copper foil after gluing is fixedly connected to the front side of the glue scraper (204); the bottom of the air suction device (402) is in communication with the upper end of the air suction pipe (401); The cooling system further includes the shifting rod (403) and the air guide plate (404); the shifting rod (403) is arranged on the left side and the right side of the air suction device (402), and the two shifting rods (403) are perpendicular to the air inlet of the air suction device (402); a plurality of air guide plates (404) for guiding air flow are fixedly connected between the two shifting rods (403), and each air guide plate (404) is arranged in a downward inclined state close to the side of the air suction device (402); The impurity adsorption system further includes the friction plate (501), the rubber plate (502), the fan (503), the first bevel gear (504) and the second bevel gear (505); the friction plate (501) is rotatably connected to the ends of the two shifting rods (403) away from the air suction device (402); the rubber plate (502) for adsorbing particulate impurities and facilitating disassembly is arranged on the left side of the support plate (2); the rubber plate (502) is located above the copper foil gluing position; the fan (503) is rotatably connected to the left side and the right side of the air inlet of the air suction device (402); the first bevel gear (504) is fixedly connected to the rear side of each fan (503); the second bevel gear (505) for rotating to drive the shifting rod (403) to swing is connected to the left side and the right side of the air suction device (402) through the torsional spring; half of the contact surface between the second bevel gear (505) and the first bevel gear (504) is provided with teeth, and the other half is a smooth surface; the second bevel gear (505) is fixedly connected to the shifting rod (403).

2. The device according to claim 1, wherein the device is characterized by, The feeding transmission assembly comprises material rollers (101), conveying rollers (102) and corona rollers (103); two material rollers (101) for bearing the material are arranged on the right rear part of the control table (1) and rotate up and down; the upper material roller (101) bears the polyimide film; the lower material roller (101) bears the copper foil; a plurality of conveying rollers (102) for conveying the material are arranged on the right side of the control table (1) and rotate; a plurality of corona rollers (103) for corona treatment of the polyimide film are arranged on the right middle part of the control table (1) and rotate; the material rollers (101), the conveying rollers (102) and the corona rollers (103) are all rotatably connected with the support plate (2).

3. The device according to claim 2, wherein the device is characterized by, The gluing assembly further comprises a glue storage cylinder (201), a gluing roller (202), an extrusion roller (203) and a return pipe (205); the glue storage cylinder (201) for storing the adhesive is fixedly arranged on the right side of the control table (1); the gluing roller (202) for applying the adhesive to the polyimide film is arranged on the right side of the control table (1) and rotates; the gluing roller (202) is arranged in the glue storage cylinder (201), and the gluing roller (202) is made of heat-conducting material; the outer side of the gluing roller (202) is connected with the stirring plate (4) through a torsional spring; the extrusion roller (203) for extruding the polyimide film is arranged on the right side of the control table (1) and ascends and descends; the extrusion roller (203) is arranged above the gluing roller (202); the glue scraper (204) is arranged in front of the gluing roller (202); the return hole (20401) for collecting the adhesive scraped off by the glue scraper (204) is arranged on the glue scraper (204); the return pipe (205) for conveying the scraped adhesive into the glue storage cylinder (201) is fixedly arranged on the lower side of the glue scraper (204); the upper end of the return pipe (205) communicates with the return hole (20401); the lower end of the return pipe (205) communicates with the glue storage cylinder (201).

4. The device according to claim 3, wherein the device is characterized by, The upper rear part of the glue storage cylinder (201) is arranged to be higher than the upper front part of the glue storage cylinder (201), and the upper rear part of the glue storage cylinder (201) is close to the bonding surface of the polyimide film.

5. The device for automatically applying adhesive according to claim 3, wherein The recycling adhesive brushing assembly comprises a glue conveying pipe (301), a cover (302) and a glue rolling roller (303); the glue conveying hole (20402) for collecting the adhesive scraped off by the glue scraping blade of the glue scraper (204) is arranged on the glue scraper (204); the glue conveying pipe (301) for conveying the adhesive is fixedly arranged on the lower side of the glue scraper (204); the upper end of each glue conveying pipe (301) communicates with the glue conveying hole (20402); the lower end of each glue conveying pipe (301) is fixedly connected with the cover (302); the glue rolling roller (303) for brushing the adhesive on the bonding surface of the copper foil is rotatably arranged in the cover (302).

6. The gluing device for automatic FCCL production according to claim 5, characterized in that, The recycling adhesive brushing assembly further comprises a heat-conducting plate (304); the heat-conducting plate (304) for conducting heat is fixedly arranged on the cover (302); the other end of each heat-conducting plate (304) is fixedly connected with the outer side of the glue storage cylinder (201).

7. The device according to claim 1, wherein the device is characterized by, A plurality of collecting grooves (50201) for collecting particle impurities are arranged on the rubber plate (502); the collecting grooves (50201) are located at the lower part of the contact position between the friction plate (501) and the rubber plate (502).

Citation Information

Patent Citations

  • Coating device for FCCL production

    CN210847001U

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    CN110328113A

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    CN114602717A