An automatic production system of composite copper foil

Abstract

The application relates to an automatic composite copper foil production system, which is applied to the field of composite metal foil processing. The system comprises an electroplating mechanism for electroplating a base film surface to form a finished product, one end of the electroplating mechanism is fixed with an unwinding mechanism for winding the base film, and the end of the electroplating mechanism away from the unwinding mechanism is fixed with a winding mechanism for winding the finished product, characterized in that a detection mechanism is arranged between the electroplating mechanism and the winding mechanism, the detection mechanism comprises a cleaning and drying assembly and a detection oxidation assembly, and the winding mechanism drives the finished product to pass through the cleaning and drying assembly and the detection oxidation assembly in sequence. The application has the effect of low defective product rate.

Description

Technical Field

[0001] This application relates to the field of composite metal foil processing, and in particular to an automated production system for composite copper foil. Background Technology

[0002] Composite metal foil is typically made by electroplating a metal film onto the surface of a metal substrate. Since the substrate is non-conductive, a base metal film is formed on its surface using magnetron sputtering to create the base film required for the composite metal foil. Then, metal is deposited onto the base film surface via electroplating to form the composite metal foil.

[0003] In related technologies, the electroplating used to produce composite metal foils is vertical electroplating, a widely used method. Vertical electroplating involves immersing the metal or other material to be plated into an electrolyte, connecting the material to a negative electrode, and inserting the positive electrode from the same power source into the electrolyte. This allows ions in the electrolyte to adhere to the surface of the metal or material, thus completing the electroplating process. However, the plated products are not subjected to relevant testing, resulting in a low product yield. Summary of the Invention

[0004] To address the issue of low product yield, this application provides an automated production system for composite metal foil.

[0005] This application provides an automated production system for composite copper foil, which adopts the following technical solution:

[0006] An automated production system for composite copper foil includes an electroplating mechanism for electroplating a base film surface to form a finished product. One end of the electroplating mechanism is fixed to an unwinding mechanism for winding the base film, and the other end of the electroplating mechanism away from the unwinding mechanism is fixed to a winding mechanism for winding the finished product. A detection mechanism is provided between the electroplating mechanism and the winding mechanism. The detection mechanism includes a cleaning and drying component and an oxidation detection component. The winding mechanism drives the finished product to pass sequentially through the cleaning and drying component and the oxidation detection component.

[0007] By adopting the above technical solution, the base film is driven into the electroplating mechanism in sequence by the winding mechanism and the unwinding mechanism for electroplating. The finished product after electroplating is inspected by the cleaning component and the drying and detection component, thereby realizing continuous coating. The finished product after coating is inspected by the drying and detection component, further reducing the defect rate.

[0008] Optionally, the cleaning and drying assembly includes a cleaning section and a drying section, wherein the cleaning section cleans the electroplated base film, and the drying section is used to dry the surface of the base film.

[0009] By adopting the above technical scheme, the cleaning part is used to clean the residual electroplating solution on the coated base film, and the drying part is used to dry the surface of the coated base film, thereby reducing the influence of water on the surface of the coated film on the subsequent detection process, and making the subsequent detection more accurate.

[0010] Optionally, the cleaning part comprises a cleaning spray head that sprays deionized water on the finished product.

[0011] By adopting the above technical scheme, the cleaning spray head is connected with the deionized water tank and sprays out deionized water through pumping, and the sprayed deionized water is used to clean the residual surface electroplating solution.

[0012] Optionally, the drying part comprises a water absorbing element, a water blowing element and a drying element, and the winding mechanism drags the finished product to pass through the water absorbing element, the water blowing element and the drying element in sequence.

[0013] The water absorbing element abuts against the surface of the finished product, the water absorbing element comprises a negative pressure fan and a negative pressure suction cup, the negative pressure suction cup abuts against the surface of the finished product, the negative pressure fan is connected with the negative pressure suction cup through a hose, and the end surface of the negative pressure suction cup abutting against the finished product is provided with water absorbing holes.

[0014] The water blowing element is arranged above the finished product, the water blowing element comprises a gas blowing spray head, the gas blowing spray head is arranged above the finished product, the gas blowing spray head is communicated with a high-pressure gas source, and the gas blowing spray head blows gas to the finished product.

[0015] The drying element comprises an infrared generator, and a lens of the infrared generator faces the finished product.

[0016] By adopting the above technical scheme, the gas blowing spray head is used to remove the residual water droplets, and the infrared generator is used to emit infrared rays to evaporate and dry, so as to keep the surface dry and reduce the influence of water droplets on the subsequent detection process.

[0017] Optionally, the detection oxidation assembly comprises a detection part, an oxidation part and a cleaning and drying part, the cleaning and drying part dries the surface of the finished product, the detection part abuts against the surface of the finished product, the winding mechanism drags the finished product to pass through the oxidation part, the cleaning and drying part and the detection part in sequence, the oxidation part grows an oxidation layer on the surface of the finished product, and the cleaning and drying part cleans the surface of the oxidation layer.

[0018] By adopting the above technical scheme, the detection part detects the scratches on the surface of the finished product, and after detection, the oxidation part grows an oxidation layer on the surface of the finished product to protect the surface of the finished product. After the oxidation layer is grown, the cleaning and drying part is used to clean and dry again.

[0019] Optionally, the detection unit comprises a detection member and a limiting member, the detection member is arranged above the limiting member, a gap for the finished product to pass through is arranged between the limiting member and the detection member, the finished product is placed on the limiting member and is pulled by the winding mechanism to pass through the gap in sequence, and the detection member abuts against the finished product;

[0020] The detection member comprises a light source, a first sensor and a second sensor, the finished product pulled by the winding mechanism passes below the light source, the first sensor receives reflected light of the finished product when the light source irradiates the smooth surface of the finished product, and the second sensor receives light reflected by the side wall of the scratch when the light source irradiates the scratch on the finished product.

[0021] By adopting the above technical scheme, when the surface scratch is detected, the finished product passes below the light source in sequence and is irradiated by the light source, if the surface of the finished product is smooth, the angle fluctuation of the reflected light is small, and the reflected light can be received by the first sensor, and if the light irradiates the scratch, the reflected light is irregular, and the second sensor which is located at a different position from the first sensor can receive the reflected light, so that the scratch at the position is marked.

[0022] Optionally, the oxidation unit comprises an oxidation nozzle, the oxidation nozzle is used for uniformly spraying the oxidation-resistant liquid to the finished product, and the finished product sequentially passes through the oxidation nozzle and the cleaning and drying unit;

[0023] The cleaning and drying unit comprises a cleaning nozzle and a blowing nozzle, the cleaning nozzle sprays the ionized water to the surface of the oxidation layer, and the blowing nozzle blows air to the finished product to remove the liquid on the surface of the finished product.

[0024] By adopting the above technical scheme, the oxidation layer is grown on the surface after the detection is completed, so that the surface of the finished product is protected. After the oxidation layer is grown, the surface of the oxidation layer is cleaned.

[0025] Optionally, the electroplating mechanism comprises an electroplating bin, the electroplating bin is divided into a plurality of electroplating areas which are communicated with each other, and the winding mechanism pulls the finished product to drive the base film to sequentially pass through the electroplating areas;

[0026] A spraying assembly and a recovery assembly are arranged in each electroplating area, the spraying assembly is arranged on the side wall of the electroplating bin to spray the electroplating liquid to the base film, and the recovery assembly is arranged at the bottom of the electroplating bin to recover the electroplating liquid.

[0027] By adopting the above technical scheme, the base film is electroplated for multiple times in the electroplating areas to form a plated film.

[0028] Optionally, the spraying assembly comprises a nozzle, a liquid supply pipe and a guide roller, the nozzle is communicated with a liquid storage tank through the liquid supply pipe;

[0029] The shower head comprises a shower pipe and a nozzle, one end of the shower pipe is communicated with the liquid supply pipe, the other end of the shower pipe is electrically connected with the positive electrode to form a positive electrode of electroplating, and an insulating pad is arranged between the shower pipe and the liquid supply pipe;

[0030] The guide roller is rotatably connected to the side wall of the electroplating bin, the base film is arranged around the guide roller, and one end of the guide roller connected with the side wall of the electroplating bin is electrically connected with the negative electrode to form a negative electrode of electroplating.

[0031] By adopting the above technical scheme, when the electroplating liquid is sprayed from the nozzle, the nozzle is connected with the positive electrode, and the guide roller is connected with the negative electrode, so that the electroplating liquid is continuously sprayed, and a loop is formed among the electroplating liquid, the base film and the guide roller to form a metal film on the surface of the base film.

[0032] Optionally, the recovery assembly comprises a recovery pipe fixed on the electroplating bin and communicated with the electroplating bin, and the electroplating liquid in the electroplating bin is recovered by the recovery pipe.

[0033] By adopting the above technical scheme, the electroplating liquid dripping from the base film is collected in the electroplating bin and recovered by the recovery pipe, and can be recycled.

[0034] In summary, the present application has at least one of the following beneficial effects:

[0035] 1. The base film is driven by the winding mechanism and the unwinding mechanism to enter the electroplating mechanism for electroplating in sequence, the finished product after electroplating is detected by the cleaning assembly and the drying detection assembly, so as to realize continuous plating, and the finished product after plating is detected by the drying detection assembly, thereby further reducing the rate of defective products.

[0036] 2. When detecting surface scratches, the finished product passes under the light source and is irradiated by the light source, if the surface of the finished product is smooth, the angle of the reflected light is small, and the reflected light can be received by the first sensor, and if the scratches are irradiated, the reflected light will be scattered, and the second sensor at a different position from the first sensor will receive the reflected light, thereby marking the scratches at this position. BRIEF DESCRIPTION OF DRAWINGS

[0037] Figure 1 It is a structure schematic view of a first embodiment of the composite copper foil automatic production system in the present application;

[0038] Figure 2 It is a cross-sectional structure schematic view of the first embodiment of the composite copper foil automatic production system in the present application;

[0039] Figure 3 It is a cross-sectional structure schematic view of the shower assembly in the present application;

[0040] Figure 4 It is a cross-sectional structure schematic view of the cleaning and drying assembly in the present application;

[0041] Figure 5 Structure diagram of the first embodiment of the detection part in the present application;

[0042] Figure 6 Structure diagram of the second embodiment of the composite copper foil automatic production system in the present application;

[0043] Figure 7 Structure diagram of the second embodiment of the composite copper foil automatic production system in the present application;

[0044] Figure 8 Structure diagram of the second embodiment of the detection part in the present application;

[0045] Figure 9 Structure diagram of the second embodiment of the detection part in the present application;

[0046] In the figure: 1, unwinding mechanism; 2, electroplating mechanism; 21, electroplating bin; 22, spraying assembly; 221, spraying pipe; 222, nozzle; 223, guide roller; 224, liquid supply pipe; 23, recovery assembly; 231, recovery pipe; 3, winding mechanism; 4, detection mechanism; 41, cleaning and drying assembly; 411, cleaning part; 4111, cleaning nozzle; 412, drying part; 4121, air blowing nozzle; 4122, negative pressure fan; 4123, negative pressure suction cup; 4124, infrared generator; 42, detection oxidation assembly; 421, detection part; 4211, light source; 4212, first sensor; 4213, second sensor; 4214, limiting roller; 422, oxidation part; 4221, oxidation nozzle; 423, cleaning and drying part; 4231, cleaning nozzle; 4232, air blowing nozzle. DETAILED DESCRIPTION

[0047] The following will be described in detail with reference to the accompanying drawings. Figures 1-9 The present application will be described in further detail.

[0048] The present application discloses a composite copper foil automatic production system. Referring to Figure 1 and Figure 2 The raw material of the composite copper foil automatic production system is a base film, and the composite copper foil is formed on the surface of the base film by electroplating. The base film is a plastic film as a substrate, and a metal film is first sputtered on the surface of the plastic film by vacuum sputtering. Then, the base film is placed in the electroplating bin 21 to produce the composite copper foil by electroplating.

[0049] Referring to Figure 1 and Figure 2The base film can be wound on the unwinding mechanism 1. The unwinding mechanism 1 can be only an unwinding roller, and the base film is wound on the unwinding roller to form a base film roll. The unwinding roller can be powered or unpowered. The unwinding mechanism 1 is fixed at one end of the electroplating mechanism 2. Specifically, the unwinding roller can be rotatably connected at one end of the frame, and other reversing rollers can also be rotatably connected on the frame according to actual needs, and the base film is sent into the electroplating mechanism 2 for electroplating through the reversing action of the reversing rollers.

[0050] Referring to Figure 1 and Figure 2 , the electroplating mechanism 2 includes an electroplating bin 21, which can be fixed on the frame to be supported by the frame. The unwinding roller is located at one end of the electroplating bin 21, and the electroplating bin 21 is divided into a plurality of electroplating areas along the length direction of the electroplating bin 21, in combination with Figure 3 , a spraying assembly 22 and a recovery assembly 23 are arranged in each electroplating area. Taking the spraying assembly 22 and the recovery assembly 23 in one electroplating area as an example, the spraying assembly 22 at least includes a spray head, a liquid supply pipe 224 and a guide roller 223. The liquid supply pipe 224 needs to be connected with an electroplating liquid tank, and a water pump is arranged in the electroplating liquid tank. The water pump pumps the electroplating liquid in the electroplating liquid tank to the spray head through the liquid supply pipe 224, and sprays the electroplating liquid from the spray head to the base film to form a copper foil layer on the surface of the base film through electroplating.

[0051] Referring to Figure 2 and Figure 3 , the base film needs to be connected with a negative electrode during electroplating, so the base film needs to be connected with the negative electrode before entering the spray head. The guide roller 223 can be a pair of copper rollers, which are rotatably connected on the side wall of the electroplating bin 21 and the gap between the pair of copper rollers is just enough to allow the base film to pass through and press the base film on any one of the copper rollers. One end of the copper roller connected on the side wall of the electroplating bin 21 is connected with the negative electrode. At this time, since the base film is in contact with the copper roller, the base film is actually connected with the negative electrode, forming an electroplating negative electrode. The spray head includes a spraying pipe 221 and a nozzle 222, the nozzle 222 is installed on the spraying pipe 221, the spraying pipe 221 is erected on the inner wall of the electroplating bin 21 and the nozzle 222 faces the base film, both ends of the spraying pipe 221 are installed on the side wall of the electroplating bin 21, one end of the spraying pipe 221 is communicated with the liquid supply pipe 224, and the other end is closed and penetrates through the side wall of the electroplating bin 21 to be electrically connected with the positive electrode, forming an electroplating positive electrode. The spraying pipe 221 and the nozzle 222 are also made of titanium metal with good electrical conductivity. When electroplating, the nozzle 222 sprays the electroplating liquid to the base film, and a loop is formed between the positive electrode, the spraying pipe 221, the nozzle 222, the electroplating liquid, the base film and the negative electrode, so that electroplating can be carried out during spraying. Of course, in order to realize double-sided electroplating, a plurality of spraying assemblies 22 can also be arranged in each electroplating area to carry out electroplating.

[0052] Referring to Figure 1 andFigure 2 The plating solution sprayed on the base film finally drops in the plating bin 21, and the bottom of the plating bin 21 is fixed with a recovery assembly 23 for recovering the plating solution. One or more sets of recovery assemblies 23 can be fixed in each plating area. Specifically, the recovery assembly 23 includes a recovery pipe 231 fixed on the plating bin 21 and in communication with the plating bin 21, and the plating solution in the plating bin 21 is recovered by the recovery pipe 231. The end of the recovery pipe 231 extending into the plating bin 21 is in communication with a recovery pump, and the recovery pump is used to pump the plating solution dropped in the plating bin 21. Further, the bottom of the plating bin 21 can be provided with a flow guide groove along the width direction of the plating bin 21, so as to collect and guide the plating solution dropped on the bottom of the plating bin 21. The recovery pipe 231 can be in communication with a liquid storage tank, so that the plating solution dropped in the plating bin 21 can be directly recovered into the liquid storage tank by the recovery pump. Of course, a special recovery tank can also be fixed on the rack, and the recovery pipe 231 is connected with the recovery tank, so as to pump the plating solution at the bottom of the plating tank into the recovery tank for centralized treatment.

[0053] Referring to Figure 2 and Figure 4 , after plating, a copper foil is formed on the surface of the base film, which is called a finished product. An oxide layer needs to be grown on the finished product to protect the copper foil. The finished product after growing the oxide layer is wound on the winding mechanism 3. The winding mechanism 3 can be fixed on the rack and located at one end of the plating bin 21 opposite to the unwinding mechanism 1. The winding mechanism 3 can be a winding roller. The winding roller can be driven to rotate by a motor. The winding roller is rotatably connected to the rack, and the motor is also fixed on the rack to drive the winding roller to rotate. When the winding roller rotates, the base film is pulled from below the unwinding mechanism 1, and then passes through the plating area for plating in sequence. In this way, continuous plating can be achieved, and the plating efficiency is improved.

[0054] Referring to Figure 2 and Figure 4 and combining Figure 5 , the finished product also needs to be detected by the detection mechanism 4 and an oxide layer needs to be grown on the surface of the plating layer for protection. Specifically, the detection mechanism 4 includes a cleaning and drying assembly 41 and a detection and oxidation assembly 42. The finished product is first cleaned and dried by the cleaning and drying assembly 41 to remove the residual plating solution on the surface of the plating layer and keep the surface of the plating layer dry, so as to reduce the influence of the water film on the surface of the plating layer on the detection result as much as possible during subsequent detection, and keep the detection result accurate.

[0055] Referring to Figure 2 and Figure 4 and combining Figure 5The cleaning and drying assembly 41 comprises a cleaning part 411 and a drying part 412. The cleaning part 411 sprays ionized water to the plated surface. Specifically, the cleaning part 411 comprises a plurality of cleaning nozzles 4111. The plurality of cleaning nozzles 4111 are connected by a cleaning water pipe, which is erected on the rack and only needs to be placed above the finished product. The cleaning water pipe can also be fixed on the side wall of the electroplating bin 21. Regardless of the arrangement of the cleaning water pipe, the cleaning water pipe extends along the width direction of the electroplating bin 21 to spray ionized water to the finished product without dead angle, so as to remove the residual electroplating solution on the surface of the finished product. The ionized water mixed with the electroplating solution drops into the electroplating bin 21 and is recycled by the recycling pipe 231.

[0056] With reference to Figure 2 and Figure 4 and in combination with Figure 5 After the electroplating solution on the surface of the finished product is removed, the ionized water remains on the surface of the finished product. Therefore, the drying part 412 is needed to dry the ionized water to reduce the influence of the ionized water on the subsequent detection results. The drying part 412 comprises a water absorbing part, a water blowing part and a drying part. The water absorbing part needs to be attached to the surface of the finished product, and the finished product first passes through the water absorbing part to absorb water. The water absorbing part comprises a negative pressure fan 4122 and a negative pressure suction cup 4123. The negative pressure suction cup 4123 is attached to the surface of the finished product, and the negative pressure fan 4122 is fixed on the rack and connected to the negative pressure suction cup 4123 through a hose. The negative pressure suction cup 4123 needs to be provided with a water absorbing hole. When the negative pressure fan 4122 is started, a negative pressure is formed in the area where the negative pressure suction cup 4123 is located, so as to absorb the residual water on the surface of the finished product.

[0057] With reference to Figure 2 and Figure 4 and in combination with Figure 5 The water remaining on the finished product after being absorbed by the water absorbing part is further blown away by the water blowing part. The water blowing part is placed above the finished product. The water blowing part comprises a blowing nozzle 4232 4121, which is arranged above the finished product. The blowing nozzle 4232 4121 is in communication with a high-pressure gas source and blows gas to the finished product. The blowing nozzle 4232 4121 can be fixed on a blowing pipe, which is erected on the electroplating bin 21 or the rack along the width direction of the electroplating bin 21. The blowing nozzle 4232 4121 is fixed on the blowing pipe and in communication with the blowing pipe. The high-pressure gas source supplies gas to the blowing nozzle 4232 4121 through the blowing pipe.

[0058] With reference to Figure 2 and Figure 4 and in combination with Figure 5The residual moisture on the surface of the finished product after being blown by the air blowing head 4232 4212 can form a water film on the surface of the finished product, which can be dried by the drying member. The drying member includes an infrared generator 4124, the lens of which faces the finished product. The infrared generator 4124 emits infrared rays, which act on the surface of the finished product to heat and evaporate the water film, so that the residual moisture is separated from the finished product. The infrared generator 4124 is still fixed on the rack, and it only emits infrared rays towards the finished product.

[0059] With reference to Figure 2 and Figure 4 and in combination with Figure 5 The finished product with the surface moisture removed enters the detection oxidation assembly 42 for detection, and after detection, a layer of oxidation film is covered on the surface, and then the finished product is wound by the winding mechanism 3. The detection oxidation assembly 42 includes a detection part 421, an oxidation part 422, and a cleaning and drying part 423. The detection part 421 is used to detect scratches on the surface of the plating layer, and the oxidation part 422 generates an oxidation layer on the surface of the plating layer to protect the plating layer. The cleaning and drying part 423 removes residual chemicals on the surface of the oxidation layer, so that the surface of the oxidation layer remains dry.

[0060] With reference to Figure 2 and Figure 4 and in combination with Figure 5 The detection part 421 includes a detection member and a limiting member, wherein the detection member includes a light source 4211 and a sensor group, and the sensor group is at least divided into a first sensor 4212 and a second sensor 4213. The first sensor 4212 and the second sensor 4213 are fixed on the rack or directly fixed on the light source 4211. Of course, it is still preferred to be fixed on the rack away from the light source 4211 to reduce the interference of the light source 4211 on the sensor group.

[0061] The limiting member is rotationally connected to the rack and has a gap between the light source 4211 for the finished product to pass through. The finished product is driven by the winding mechanism 3 to pass through the gap in turn, i.e., to pass through the light source 4211 and be irradiated by the light source 4211. When the finished product passes through the gap, the side of the finished product that needs to be detected faces the light source 4211 and receives the irradiation of the light source 4211. Specifically, the limiting member includes a limiting roller 4214, which is rotationally connected to the rack and placed below the light source 4211. The finished product is wound on the limiting member, so that the finished product passing through the gap has a fixed angle with the light source 4211.

[0062] With reference to Figure 2 and Figure 4 and in combination with Figure 5If the first sensor 4212 and the second sensor 4213 are both fixed on the rack, the light source 4211 includes a shell which is arranged along the width direction of the plating bin 21. The shell is fixed with the light supplement lamp, and the outer walls on the opposite sides of the shell are fixed with the first mirror and the second mirror. The mirror and the shell have a gap for the light path. When the plated layer passes through the gap, if the plated layer is smooth, the light reflected by the light supplement lamp is reflected by the first mirror and finally received by the first sensor 4212, that is, when the first sensor 4212 receives the light signal, the smoothness of the plated layer passing through this position can be obtained. If there is a scratch on the plated layer, the reflection surface at the scratch is rougher than the normal plated layer, and when the light supplement lamp passes through the scratch, the scratch will appear diffuse reflection. At this time, the second mirror will reflect part of the light, and the second sensor 4213 will receive the light, that is, as long as the second sensor 4213 receives the change of the light signal, it can be proved that there is a scratch defect on the plated layer passing through the light supplement lamp at this time. When detecting the scratch, it is no longer dependent on the observation or comparison of the photos by the naked eye, but directly uses the smooth reflection of the plated layer to detect the scratch on the surface of the plated layer.

[0063] With reference to Figure 2 and Figure 4 , the first sensor 4212 and the second sensor 4213 can also be fixed on the light source 4211. Specifically, the light source 4211 includes a shell, and a cavity for installing the light supplement lamp is formed in the shell. The light supplement lamp is installed in the cavity and does not need to protrude out of the shell, that is, the light supplement lamp is entirely retracted in the shell. When the finished product is wound around the limiting roller 4214, the edge of the shell can abut against the finished product, that is, the finished product entering the detection is under the closed action of the shell, and the external stray light is actually difficult to interfere with the finished product area enclosed by the shell, thereby increasing the accuracy of the detection.

[0064] With reference to Figure 5 and Figure 6 , the first sensor 4212 and the second sensor 4213 are fixed on the inner walls of the opposite sides of the shell, that is, the first sensor 4212 is fixed on the inner wall of the shell, and the second sensor 4213 is fixed on the side wall of the other side of the shell. Due to the action of the limiting roller 4214, the angle at which the finished product enters the gap is fixed, so if the surface of the finished product is smooth, the angle at which the light reflected by the finished product reflects the light supplement lamp is also fixed, that is, when the surface of the finished product is smooth, the first sensor 4212 can always receive the light signal reflected directly by the finished product. If there is a scratch on the surface of the finished product, the roughness of the scratch is different from that of the normal finished product. At this time, when the light source 4211 irradiates the scratch, the reflection of the scratch is not only reflected onto the first sensor 4212, but also appears as a chaotic reflection. Even if the second sensor 4213 is opposite to the first sensor 4212, the second sensor 4213 can also receive the reflected light signal, thereby causing a change in the signal. That is, as long as there is a change in the signal of the second sensor 4213, it can be proved that there is a scratch on the surface of the finished product being detected at this time.

[0065] Referring to Figure 7 and Figure 6 When the first sensor 4212 and the second sensor 4213 are detected, a controller needs to be used, no matter what installation method the first sensor 4212 and the second sensor 4213 adopt, the role of the controller is to compare the light signal changes before and after the first sensor 4212 and the second sensor 4213. Specifically, the first sensor 4212 and the second sensor 4213 need to be connected to the controller respectively, the controller at least includes a central processing unit for processing various input signals, an input and output port, and a storage unit for storing data, the central processing unit is connected to the input and output port, the storage unit is directly connected to the central processing unit, and the storage unit can also be connected to the input and output port to be indirectly connected to the central processing unit. The central processing unit can read various data stored in the storage unit, and can also write data into the storage unit. The first sensor 4212 and the second sensor 4213 are connected to the input and output port, that is, the first sensor 4212 and the second sensor 4213 can transmit the change of the light signal to the central processing unit through the input and output port for processing, so as to be able to identify the signal change of the first sensor 4212 and the second sensor 4213. This embodiment does not need to use a reflector to reflect the light signal, and the loss of the light signal is small.

[0066] When the scratch is detected, it needs to be processed to be able to identify the position of the scratch. Because the entire electroplating process cannot be interrupted, a more preferred way is to perform marking processing, so that the scratch part can be directly cut off for use in subsequent cutting. Specifically, the marking machine is fixed on the rack and is located between the detection part 421 and the oxidation part 422, close to the detection part 421 on one side, so that after the plating layer detection is completed, it is marked by the marking machine. The marking machine can be a laser marking machine to form a hole on the surface of the finished product by ablation, which is convenient for identification.

[0067] Referring to Figure 7 and Figure 5 Figure 7 Figure 7 Figure 9, the scratch of the finished product can grow an oxide film on the surface after marking to protect the plating layer. Specifically, the oxide film can be generated on the surface of the finished product by the oxidation part 422. The oxidation part 422 includes an oxidation nozzle 4221 which is in communication with a tank for storing an antioxidant liquid through a hose, and the antioxidant liquid can be an HT copper antioxidant for the example of copper plating layer. The colorless transparent film is formed on the surface of the plating layer by the oxidation nozzle 4221 to protect the plating layer and avoid oxidation of the plating layer by long-term contact with air. The tank for storing the antioxidant liquid has a booster pump to pump the antioxidant into the oxidation nozzle 4221 and pressurize and spray it, so that the antioxidant is more evenly distributed on the surface of the plating layer. The excess antioxidant will drip into the electrolytic tank and mix with the electrolyte in the electrolytic tank and be recovered by the recovery pipe 231 for centralized treatment.

[0068] The HT copper antioxidant is generally in the form of an aqueous solution, so after forming the protective layer, the excess antioxidant needs to be removed, and the cleaning can still be performed by spraying water. That is, a cleaning and drying part 423 is fixed on the side of the oxidation nozzle 4221 facing the winding mechanism 3. The cleaning and drying part includes a cleaning nozzle 4231 and a blowing nozzle 42324121, the cleaning nozzle 4231 sprays ionized water to the surface of the oxidation layer, and the blowing nozzle 42324121 blows air to the finished product to remove the liquid on the surface of the finished product, that is, to dry the surface of the finished product to facilitate winding by the winding mechanism 3 to complete the entire electroplating process.

[0069] The base film needs to be detected after electroplating by scratching, using the principle of light reflection, the winding mechanism 3 winds the plating layer one by one under the light source 4211, and cooperates with the sensor, such as the smooth surface of the finished product, the reflected light angle fluctuates little, and the reflected light can be received by the first sensor 4212, and if it is irradiated to the scratch, it will appear chaotic reflection, and the second sensor 4213 at a different position from the first sensor 4212 will receive the reflected light, thereby marking the scratch at this position. The finished product after plating is detected by the drying detection assembly to further reduce the rate of defective products.

[0070] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A composite copper foil automatic production system comprising an electroplating mechanism (2) for electroplating a product on the surface of a base film, one end of the electroplating mechanism (2) being fixed to an unwinding mechanism (1) for winding the base film, the end of the electroplating mechanism (2) away from the unwinding mechanism (1) being fixed to a winding mechanism (3) for winding the product, characterized in that, The detection mechanism (4) is arranged between the electroplating mechanism (2) and the winding mechanism (3), and comprises a cleaning and drying assembly (41) and a detection and oxidation assembly (42); the winding mechanism (3) drives the finished product to pass through the cleaning and drying assembly (41) and the detection and oxidation assembly (42) in sequence. The detection and oxidation assembly (42) comprises a detection part (421), an oxidation part (422) and a cleaning and drying part (423); the cleaning and drying part (423) dries the surface of the finished product; the detection part (421) abuts against the surface of the finished product; the winding mechanism (3) drives the finished product to pass through the oxidation part (422), the cleaning and drying part (423) and the detection part (421) in sequence; the oxidation part (422) grows an oxidation layer on the surface of the finished product; and the cleaning and drying part (423) cleans the surface of the oxidation layer. The detection part (421) comprises a detection member and a limiting member; the detection member is arranged above the limiting member; a gap for the finished product to pass through is arranged between the limiting member and the detection member; the finished product is placed on the limiting member and is pulled by the winding mechanism (3) to pass through the gap in sequence; and the detection member abuts against the finished product. The detection member comprises a light source (4211), a first sensor (4212) and a second sensor (4213); the winding mechanism (3) pulls the finished product to pass below the light source (4211); when the light source (4211) irradiates the smooth surface of the finished product, the first sensor (4212) receives the reflected light of the finished product; and when the light source (4211) irradiates the scratch on the finished product, the second sensor (4213) receives the light reflected by the sidewall of the scratch.

2. The system of claim 1, wherein, The cleaning and drying assembly (41) comprises a cleaning part (411) and a drying part (412); the cleaning part (411) cleans the base film after electroplating; and the drying part (412) is used for drying the surface of the base film.

3. The system of claim 2, wherein the system further comprises a copper foil production system. The cleaning part (411) comprises a cleaning spray head (4111); and the cleaning spray head (4111) sprays deionized water to the finished product.

4. The system of claim 3, wherein the system further comprises a copper foil production line. The drying part (412) comprises a water absorbing member, a water blowing member and a drying member; the winding mechanism (3) pulls the finished product to pass through the water absorbing member, the water blowing member and the drying member in sequence. The water absorbing member abuts against the surface of the finished product; the water absorbing member comprises a negative pressure fan (4122) and a negative pressure suction disc (4123); the negative pressure suction disc (4123) abuts against the surface of the finished product; the negative pressure fan (4122) is connected to the negative pressure suction disc (4123) through a hose; and the end surface of the negative pressure suction disc (4123) abutting against the finished product is provided with a water absorbing hole. The water blowing member is arranged above the finished product; the water blowing member comprises a blowing spray head (4232) (4121); the blowing spray head (4232) (4121) is arranged above the finished product; the blowing spray head (4232) (4121) is communicated with a high-pressure gas source; and the blowing spray head (4232) (4121) blows gas to the finished product. The drying member comprises an infrared generator (4124); and the lens of the infrared generator (4124) faces the finished product.

5. The system of claim 1, wherein, The oxidation part (422) comprises an oxidation nozzle (4221) for uniformly spraying an oxidation liquid to the finished product, and the finished product sequentially passes through the oxidation nozzle (4221) and the cleaning and drying part (423); The cleaning and drying part (423) comprises a cleaning nozzle (4231) for spraying ionized water to the surface of the oxidation layer and a blowing nozzle (4232) (4121) for blowing air to the finished product to remove liquid on the surface of the finished product.

6. The system of claim 1, wherein, The electroplating mechanism (2) comprises an electroplating bin (21), which is divided into a plurality of electroplating areas in communication with each other, and the winding mechanism (3) drives the base film through the electroplating areas in sequence by pulling the finished product. Each electroplating area is provided with a spraying assembly (22) and a recovery assembly (23), the spraying assembly (22) is arranged on the side wall of the electroplating bin (21) to spray the electroplating liquid to the base film, and the recovery assembly (23) is arranged at the bottom of the electroplating bin (21) to recover the electroplating liquid.

7. The system of claim 6, wherein the system is configured to automatically produce the composite copper foil by the steps of: The spraying assembly (22) comprises a nozzle, a liquid supply pipe (224) and a guide roller (223), and the nozzle is in communication with a liquid storage tank through the liquid supply pipe (224); ​ The nozzle comprises a spraying pipe (221) and a nozzle (222), one end of the spraying pipe (221) is in communication with the liquid supply pipe (224), the other end of the spraying pipe (221) is electrically connected with a positive electrode to form an electroplating positive electrode, and an insulating pad is arranged between the spraying pipe (221) and the liquid supply pipe (224); The guide roller (223) is rotatably connected to the side wall of the electroplating bin (21), the base film is arranged around the guide roller (223), and one end of the guide roller (223) connected with the side wall of the electroplating bin (21) is electrically connected with a negative electrode to form an electroplating negative electrode.

8. The system of claim 7, wherein the system is configured to automatically produce the composite copper foil by the steps of: The recovery assembly (23) comprises a recovery pipe (231) fixed to the electroplating bin (21) and in communication with the electroplating bin (21), and the electroplating liquid in the electroplating bin (21) is recovered by the recovery pipe (231). ​

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