Copper foil surface roughening treatment device

By designing a copper foil surface roughening treatment device, the problem of passivation liquid waste in traditional devices was solved, and efficient recycling and utilization of passivation liquid were achieved, reducing production costs.

CN224212763UActive Publication Date: 2026-05-08SUZHOU MINGTAI HARDWARE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SUZHOU MINGTAI HARDWARE CO LTD
Filing Date
2025-04-24
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

Traditional copper foil surface treatment equipment leads to waste of passivation solution when processing small areas of copper foil, and recycling is inconvenient, increasing production costs.

Method used

A copper foil surface roughening treatment device was designed, comprising a recycling tank, a water pump, a conveying roller, and an adjustable passivation roller structure. The passivation liquid is introduced into the recycling tank through a guide plate, and the passivation liquid is recycled using a water pump and a controller. The application area of ​​the passivation liquid is controlled by an adjustable stop ring and an arc-shaped baffle to prevent waste.

Benefits of technology

It achieves efficient recycling and utilization of passivation solution, reduces processing costs, adapts to the processing needs of different copper foil sizes, and reduces waste of passivation solution.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a copper foil surface roughening treatment device, which relates to the technical field of copper foil production and processing, and comprises a base, the top of the base is provided with a recovery tank, and the bottom of the base is fixedly connected with a recovery box; according to the copper foil surface roughening treatment device, the distance between the flow stopping rings adapts to the size of a copper foil, a passivation solution in the liquid storage tank flows to the surface of the passivation roller, the flow stopping rings can prevent the passivation solution from extending to other positions of the passivation roller, the driving motor is started to drive the conveying roller to rotate, the copper foil is conveyed, and the copper foil surface roughening treatment efficiency is improved. The passivation roller is driven to rotate in the copper foil conveying process, passivation liquid is smeared to the surface of the copper foil through the passivation roller, after machining is completed, the two-way screw is rotated to drive the arc-shaped baffle to shield the liquid storage box, the passivation liquid is prevented from flowing out continuously, the area of the passivation liquid on the surface of the passivation roller can be adjusted according to the size of the copper foil, and therefore waste of the passivation liquid is prevented. And the processing cost is reduced.
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Description

Technical Field

[0001] This utility model relates to a processing device, specifically a copper foil surface roughening treatment device, belonging to the field of copper foil production and processing technology. Background Technology

[0002] Generally, smooth contour copper foil used in PCBs requires sufficient adhesion strength at its contact surface with the circuit board's insulating layer to prevent detachment during PCB manufacturing processes such as drilling, electroplating, and etching. Secondly, smooth contour copper foil must have good oxidation resistance, remaining unchanged at both room and high temperatures. Smooth contour copper foil without special treatment cannot meet these requirements, necessitating surface treatment. To increase the bonding strength between the copper and aluminum foil, the copper foil surface is roughened, typically using chemical etching or corona treatment.

[0003] Traditional processing devices typically use passivation liquid applied to the surface of passivation rollers. When copper foil is conveyed through the passivation rollers, the passivation liquid is applied to the surface of the copper foil to complete the roughening treatment. However, during processing, the surface of the passivation rollers usually needs to be fully coated with passivation liquid. When encountering small copper foils, this leads to waste of passivation liquid, and the dripping passivation liquid is difficult to collect, which increases production costs.

[0004] Therefore, a copper foil surface roughening treatment device is proposed here. Utility Model Content

[0005] This invention proposes a copper foil surface roughening treatment device to solve the problem of waste of passivation solution when dealing with small copper foils in the prior art.

[0006] This utility model is achieved through the following technical solution: a copper foil surface roughening treatment device, including a base, a recycling groove is opened on the top of the base, and a recycling box is fixedly connected to the bottom of the base;

[0007] A water pump is fixedly connected to the outer side of the base. A recycling pipe is fixedly connected to the input end of the water pump. The recycling pipe is connected to the recycling box. A hose is fixedly connected to the output end of the water pump. A three-way valve is fixedly connected to the top end of the hose. A conveying pipe is fixedly connected to the output end of the three-way valve. A conveying roller is rotatably connected to the inner side of the base.

[0008] Furthermore, a positioning rod is fixedly connected to the top of the base, and they are arranged sequentially from left to right. A mounting plate is slidably connected to the outer side of the positioning rod. A liquid storage tank is fixedly connected to the outer side of the mounting plate. The liquid storage tank is connected to the delivery pipe. A passivation roller is rotatably connected between the inner sides of the mounting plate. The passivation roller is in contact with the bottom of the liquid storage tank. A bidirectional screw is rotatably connected to the outer side of the liquid storage tank. A movable plate is screwed to the outer side of the bidirectional screw. An arc-shaped baffle is fixedly connected to the outer side of the movable plate. A flow-stopping ring is fixedly connected to the outer side of the arc-shaped baffle. The flow-stopping ring is in contact with the outer side of the passivation roller.

[0009] Furthermore, a guide plate is fixedly connected to the inner side of the base, the rotating shaft of the conveying roller passes through the base, a driven wheel is fixedly connected to the end of the rotating shaft of the conveying roller, a drive motor is fixedly connected to the outer side of the base, a drive wheel is fixedly connected to the end of the power output shaft of the drive motor, a belt is rotatably connected between the outer sides of the drive wheel and the driven wheel, the guide plate is used to facilitate the guidance of the passivation liquid, the drive motor drives the drive wheel to rotate, thereby driving the belt and the driven wheel to rotate, and further driving the conveying roller to rotate to facilitate the conveying of copper foil.

[0010] Furthermore, support rods are fixedly connected to the four bottom corners of the base, and support pads are fixedly connected to the bottom of the support rods. The support rods are used to support the base, and the support pads are used to improve the stability of the support rods.

[0011] Furthermore, a controller is embedded in the outer side of the base. The controller is electrically connected to the water pump and the drive motor via wires. The controller is used to facilitate centralized control of the water pump and the drive motor by the staff.

[0012] Furthermore, the top of the liquid storage tank is connected to a door via a hinge. The outer sides of the positioning rod and the mounting plate are both provided with threaded grooves, and fixing bolts are screwed into the inner sides of the threaded grooves. The mounting plate can be easily fixed by the cooperation of the threaded grooves and fixing bolts, and the height of the mounting plate can be easily adjusted.

[0013] This utility model provides a copper foil surface roughening treatment device, which has the following beneficial effects:

[0014] 1. During the processing of copper foil surface roughening treatment device, the passivation liquid dripping will fall onto the base. The passivation liquid will be guided into the recovery tank through the guide plate and recovery tank. The water pump is started by the controller, and the passivation liquid is transported to the storage tank through the recovery pipe, hose, three-way valve and delivery pipe. The fallen passivation liquid can be recovered, preventing waste of passivation liquid and improving recovery efficiency.

[0015] 2. This copper foil surface roughening treatment device moves a movable plate by rotating a bidirectional screw according to the size of the copper foil, which in turn moves an arc-shaped baffle and a flow-stopping ring. The distance between the flow-stopping rings is adapted to the size of the copper foil, allowing the passivation liquid in the storage tank to flow to the surface of the passivation roller. The flow-stopping ring prevents the passivation liquid from extending to other parts of the passivation roller. By starting the drive motor, the conveying roller is rotated to transport the copper foil. During the copper foil transport, the passivation roller rotates and applies the passivation liquid to the surface of the copper foil. After processing, rotating the bidirectional screw moves the arc-shaped baffle to block the storage tank, preventing the passivation liquid from continuing to flow out. The area of ​​passivation liquid on the surface of the passivation roller can be adjusted according to the size of the copper foil, thereby preventing waste of passivation liquid and reducing processing costs. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0017] Figure 2 This is a three-dimensional structural diagram of the present invention;

[0018] Figure 3 This is a schematic diagram of the base structure in this utility model;

[0019] Figure 4 This is a cross-sectional view of the mounting plate in this utility model;

[0020] Figure 5 This is an exploded structural diagram of the mounting plate in this utility model.

[0021] Explanation of reference numerals in the attached figures

[0022] 100. Base; 110. Recycling trough; 111. Recycling bin; 112. Guide plate; 120. Water pump; 121. Recycling pipe; 122. Hose; 123. Three-way valve; 124. Conveying pipe; 130. Conveying roller; 131. Driven wheel; 140. Drive motor; 141. Drive wheel; 142. Belt; 150. Support rod; 151. Support pad; 160. Controller;

[0023] 200. Positioning rod; 210. Mounting plate; 211. Liquid storage tank; 212. Passivation roller; 213. Box door; 220. Bidirectional screw; 221. Movable plate; 222. Arc-shaped baffle; 223. Flow stop ring; 230. Threaded groove; 231. Fixing bolt. Detailed Implementation

[0024] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this application.

[0025] Please see Figures 1-5 This utility model provides a copper foil surface roughening treatment device, including a base 100, a recycling groove 110 on the top of the base 100, and a recycling box 111 fixedly connected to the bottom of the base 100.

[0026] Please refer to this carefully. Figure 1 , Figure 2 and Figure 3 A water pump 120, model 2DK-20, is fixedly connected to the outer side of the base 100. A recovery pipe 121 is fixedly connected to the input end of the water pump 120, and the recovery pipe 121 is connected to the recovery box 111. A hose 122 is fixedly connected to the output end of the water pump 120, and a three-way valve 123 is fixedly connected to the top end of the hose 122. A conveying pipe 124 is fixedly connected to the output end of the three-way valve 123. A conveying roller 130 is rotatably connected to the inner side of the base 100. A guide plate 112 is fixedly connected to the inner side of the base 100. The rotating shaft of the conveying roller 130 passes through the base 100, and a driven wheel 131 is fixedly connected to the end of the rotating shaft of the conveying roller 130. A drive motor 140, model Y80M1-2, is fixedly connected to the outer side of the base 100. A drive output shaft of the drive motor 140 is fixedly connected to the end of the drive output shaft. A drive wheel 141 is rotatably connected to the outer side of the drive wheel 141 and the driven wheel 131 by a belt 142. Support rods 150 are fixedly connected to the four corners of the bottom of the base 100, and support pads 151 are fixedly connected to the bottom of the support rods 150. A controller 160 is embedded in the outer side of the base 100. The controller 160 is electrically connected to the water pump 120 and the drive motor 140 through wires. The model of the controller 160 is ADAM-5510M. During processing, the passivation liquid drips onto the base 100. The passivation liquid is guided into the recovery tank 111 through the guide plate 112 and the recovery tank 110. The water pump 120 is started by the controller 160. The passivation liquid is transported to the storage tank 211 through the recovery pipe 121, the hose 122, the three-way valve 123 and the delivery pipe 124. The dropped passivation liquid can be recovered to prevent waste and improve the recovery efficiency.

[0027] Please refer to this carefully. Figure 1 , Figure 4 and Figure 5A positioning rod 200 is fixedly connected to the top of the base 100, and they are arranged sequentially from left to right. A mounting plate 210 is slidably connected to the outer side of the positioning rod 200. A liquid storage tank 211 is fixedly connected to the outer side of the mounting plate 210. The liquid storage tank 211 is connected to the delivery pipe 124. A passivation roller 212 is rotatably connected between the inner sides of the mounting plate 210. The passivation roller 212 fits against the bottom of the liquid storage tank 211. A double... A movable plate 221 is screwed to the outer side of the screw 220, and an arc-shaped baffle 222 is fixedly connected to the outer side of the movable plate 221. A flow-stopping ring 223 is fixedly connected to the outer side of the arc-shaped baffle 222. The flow-stopping ring 223 fits against the outer side of the passivation roller 212. The top of the liquid storage tank 211 is rotatably connected to the tank door 213 via a hinge. Threaded grooves 230 are opened on the outer sides of both the positioning rod 200 and the mounting plate 210. The inner side of the threaded groove 230... The copper foil is screwed with fixing bolts 231. The moving plate 221 is moved by rotating the bidirectional screw 220 according to the size of the copper foil, which in turn moves the arc-shaped baffle 222 and the flow-stopping ring 223. The distance between the flow-stopping rings 223 is adapted to the size of the copper foil, so that the passivation liquid in the storage tank 211 flows to the surface of the passivation roller 212. The flow-stopping ring 223 can prevent the passivation liquid from extending to other positions of the passivation roller 212. The drive motor 140 is started to drive the conveying roller 130 to rotate and convey the copper foil. During the copper foil conveying process, the passivation roller 212 is rotated and the passivation liquid is applied to the surface of the copper foil through the passivation roller 212. After processing, the bidirectional screw 220 is rotated to drive the arc-shaped baffle 222 to block the storage tank 211 and prevent the passivation liquid from continuing to flow out. The area of ​​passivation liquid on the surface of the passivation roller 212 can be adjusted according to the size of the copper foil, thereby preventing the waste of passivation liquid and reducing processing costs.

[0028] In use, the passivation liquid dripping during processing will fall onto the base 100. The passivation liquid is guided into the recovery tank 111 through the guide plate 112 and the recovery tank 110. The water pump 120 is started by the controller 160, and the passivation liquid is transported to the storage tank 211 through the recovery pipe 121, the hose 122, the three-way valve 123 and the delivery pipe 124. The fallen passivation liquid can be recovered to prevent waste.

[0029] According to the size of the copper foil, the bidirectional screw 220 is rotated to move the movable plate 221, which in turn moves the arc-shaped baffle 222 and the flow-stopping ring 223. The distance between the flow-stopping rings 223 is adapted to the size of the copper foil, so that the passivation liquid in the storage tank 211 flows to the surface of the passivation roller 212. The flow-stopping ring 223 can prevent the passivation liquid from extending to other positions of the passivation roller 212. By starting the drive motor 140, the conveying roller 130 is rotated to convey the copper foil. During the copper foil conveying process, the passivation roller 212 is rotated, and the passivation liquid is applied to the surface of the copper foil through the passivation roller 212. After processing, the bidirectional screw 220 is rotated to move the arc-shaped baffle 222 to block the storage tank 211 to prevent the passivation liquid from continuing to flow out. The area of ​​passivation liquid on the surface of the passivation roller 212 can be adjusted according to the size of the copper foil to prevent waste of passivation liquid.

[0030] It should be noted that the water pump 120, drive motor 140, and controller 160 mentioned in the text are all existing technologies. The principle of the water pump 120 is as follows: the water pump 120 includes a motor and an impeller. The water pump 120 works by using the power of the internal motor to drive the impeller to rotate, thereby converting the power into the power of the liquid, thus generating the force of flow and transporting the liquid from a low-pressure area to a high-pressure area. The principle of the drive motor 140 is as follows: the drive motor 140 is an electromagnetic device that realizes the conversion of electrical energy and electromechanical energy based on the law of electromagnetic induction. It can convert electrical energy into mechanical energy, and it can also convert mechanical energy into electromechanical energy. Mechanical energy can be converted into electrical energy, and the conversion between different forms of electrical energy can also be realized. The principle of controller 160 is as follows: controller 160 includes PLC and memory. Specifically, when PLC is running, PLC performs periodic cyclic scanning according to the program compiled by the user according to the control requirements and stored in the user program memory, according to the instruction step number or address number. If there is no jump instruction, the user program is executed sequentially from the first instruction until the program ends. Then it returns to the first instruction and starts the next round of scanning. In each scanning process, the sampling of input signals and the refreshing of output status are also completed.

[0031] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A copper foil surface roughening treatment apparatus, comprising a base (100), characterized in that: The base (100) has a recycling slot (110) on its top and a recycling box (111) fixedly connected to its bottom. A water pump (120) is fixedly connected to the outside of the base (100). A recycling pipe (121) is fixedly connected to the input end of the water pump (120). The recycling pipe (121) is connected to the recycling box (111). A hose (122) is fixedly connected to the output end of the water pump (120). A three-way valve (123) is fixedly connected to the top end of the hose (122). A conveying pipe (124) is fixedly connected to the output end of the three-way valve (123). A conveying roller (130) is rotatably connected to the inside of the base (100).

2. The copper foil surface roughening treatment apparatus according to claim 1, characterized in that: A positioning rod (200) is fixedly connected to the top of the base (100), and they are arranged sequentially from left to right. A mounting plate (210) is slidably connected to the outer side of the positioning rod (200). A liquid storage tank (211) is fixedly connected to the outer side of the mounting plate (210). The liquid storage tank (211) is connected to the delivery pipe (124). A passivation roller (212) is rotatably connected between the inner sides of the mounting plate (210). The bottom of the liquid storage tank (211) is attached to the liquid storage tank (211). A bidirectional screw (220) is rotatably connected to the outside of the liquid storage tank (211). A movable plate (221) is screwed to the outside of the bidirectional screw (220). An arc-shaped baffle (222) is fixedly connected to the outside of the movable plate (221). A flow-stopping ring (223) is fixedly connected to the outside of the arc-shaped baffle (222). The flow-stopping ring (223) is attached to the outside of the passivation roller (212).

3. The copper foil surface roughening treatment apparatus according to claim 1, characterized in that: The rotating shaft of the conveying roller (130) passes through the base (100). A driven wheel (131) is fixedly connected to the end of the rotating shaft of the conveying roller (130). A drive motor (140) is fixedly connected to the outside of the base (100). A drive wheel (141) is fixedly connected to the end of the power output shaft of the drive motor (140). A belt (142) is rotatably connected between the outside of the drive wheel (141) and the driven wheel (131).

4. The copper foil surface roughening treatment apparatus according to claim 1, characterized in that: A guide plate (112) is fixedly connected to the inner side of the base (100), and a support rod (150) is fixedly connected to each of the four bottom corners of the base (100). A support pad (151) is fixedly connected to the bottom of the support rod (150).

5. The copper foil surface roughening treatment apparatus according to claim 3, characterized in that: A controller (160) is embedded in the outer side of the base (100), and the controller (160) is electrically connected to the water pump (120) and the drive motor (140) via wires.

6. The copper foil surface roughening treatment apparatus according to claim 2, characterized in that: The top of the liquid storage tank (211) is connected to a door (213) by a hinge. The outer sides of the positioning rod (200) and the mounting plate (210) are both provided with screw grooves (230), and the inner side of the screw grooves (230) is screwed with fixing bolts (231).