CN211522338U - Integrated equipment of ultra-thin electrolytic copper foil production - Google Patents

Integrated equipment of ultra-thin electrolytic copper foil production Download PDF

Info

Publication number
CN211522338U
CN211522338U CN202020014152.8U CN202020014152U CN211522338U CN 211522338 U CN211522338 U CN 211522338U CN 202020014152 U CN202020014152 U CN 202020014152U CN 211522338 U CN211522338 U CN 211522338U
Authority
CN
China
Prior art keywords
copper foil
unit
roller
foil
electrolytic copper
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202020014152.8U
Other languages
Chinese (zh)
Inventor
李永根
廖平元
刘少华
李建国
叶铭
温秋霞
黄洪权
彭颂
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Fine Yuan Science Technology Co Ltd
Original Assignee
Guangdong Fine Yuan Science Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Fine Yuan Science Technology Co Ltd filed Critical Guangdong Fine Yuan Science Technology Co Ltd
Priority to CN202020014152.8U priority Critical patent/CN211522338U/en
Application granted granted Critical
Publication of CN211522338U publication Critical patent/CN211522338U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Electrolytic Production Of Metals (AREA)
  • Cell Electrode Carriers And Collectors (AREA)

Abstract

The utility model discloses an integrated device for producing ultrathin electrolytic copper foil; belongs to the technical field of copper foil production; the technical key points of the device comprise a crude foil unit and a copper foil cutting unit, wherein a stripping assembly is arranged between the crude foil unit and the copper foil cutting unit, and an anti-oxidation treatment unit and a winding unit are sequentially arranged in the transmission direction of the cut copper foil; an ultrasonic rinsing bath is arranged between the copper foil slitting unit and the anti-oxidation treatment unit, a first submerged roller is rotatably connected in the ultrasonic rinsing bath through a bearing and a shaft seat in a matched manner, ultrasonic vibration plates are arranged in the ultrasonic rinsing bath at the periphery of the first submerged roller at intervals along the circumferential direction, and rinsing spray pipes corresponding to the copper foil are arranged above the liquid level of the ultrasonic rinsing bath at intervals along the copper foil transmission direction; the utility model aims to provide an integrated device for producing the ultrathin electrolytic copper foil, which has good use effect and reduces the cost; the method is used for the integrated production of the ultrathin electrolytic copper foil.

Description

Integrated equipment of ultra-thin electrolytic copper foil production
Technical Field
The utility model relates to an electrolytic copper foil production facility, more specifically say, especially relate to an integrated equipment of ultra-thin electrolytic copper foil production.
Background
The electrolytic copper foil is an important material for manufacturing Copper Clad Laminate (CCL), Printed Circuit Board (PCB) and lithium ion battery. The production process of the ultrathin electrolytic copper foil for manufacturing the lithium ion battery generally comprises four steps of copper wire dissolution (copper dissolution step), raw foil manufacturing (raw foil step), copper foil treatment (surface treatment step), and copper foil shearing (slitting step).
Copper powder particles generated on the surface of the copper foil after shearing are difficult to completely eliminate, and the copper powder has great potential safety hazard for the lithium ion power battery, so that the copper foil needs to be treated again, quality problems caused by personnel operation, equipment and the like are increased, the production cost is high, and the production of the ultrathin electrolytic copper foil is very unfavorable.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide an integrated device for producing ultrathin electrolytic copper foil with good use effect and low cost.
The technical scheme of the utility model is realized like this: an integrated device for producing ultrathin electrolytic copper foil comprises a crude foil unit and a copper foil cutting unit, wherein a stripping assembly is arranged between the crude foil unit and the copper foil cutting unit, the copper foil produced by the crude foil unit sequentially passes through the stripping assembly and the copper foil cutting unit, and an anti-oxidation treatment unit and a winding unit are sequentially arranged in the transmission direction of the cut copper foil;
an ultrasonic rinsing bath is arranged between the copper foil slitting unit and the anti-oxidation treatment unit, a first submerged roller is rotatably connected in the ultrasonic rinsing bath through a bearing and a shaft seat in a matched manner, ultrasonic vibration plates are arranged in the ultrasonic rinsing bath at the periphery of the first submerged roller at intervals along the circumferential direction, and rinsing spray pipes corresponding to the copper foil are arranged above the liquid level of the ultrasonic rinsing bath at intervals along the copper foil transmission direction; the copper foil cut by the copper foil cutting unit sequentially passes through the first liquid middle roller and the water washing spray pipe and then enters the anti-oxidation treatment unit.
In the integrated equipment for producing the ultrathin electrolytic copper foil, the green foil unit comprises an anode tank, a copper sulfate solution arranged in the anode tank and a cathode roller arranged in the anode tank in a matching way; and the copper foil produced by the cooperation of the anode tank, the copper sulfate solution and the cathode roller enters the copper foil slitting unit through the stripping assembly.
In the integrated equipment for producing the ultrathin electrolytic copper foil, the stripping assembly comprises a stripping shaft and an adjustable tension roller, wherein the stripping shaft and the adjustable tension roller are arranged between the green foil unit and the copper foil slitting unit.
In the integrated equipment for producing the ultrathin electrolytic copper foil, the copper foil slitting unit comprises a cutter shaft, a first guide roller and a second guide roller which are arranged along the copper foil transmission direction; an adjustable circular knife matched with the cutter shaft is arranged on the external frame, and a press roller matched with the first guide roller is arranged on the external frame.
In the integrated equipment for producing the ultrathin electrolytic copper foil, the anti-oxidation treatment unit comprises an organic anti-oxidation tank, and a second liquid middle roller is rotatably connected in the organic anti-oxidation tank through a bearing and a shaft seat in a matching manner; a third guide roller and a fourth guide roller are arranged between the ultrasonic rinsing tank and the organic anti-oxidation tank, and a first wringing roller matched with the third guide roller is arranged on the external rack;
and a fifth guide roller and a drying box are arranged between the organic anti-oxidation groove and the winding unit, and a second wringing roller matched with the fifth guide roller is arranged on the external rack.
In foretell integration equipment of ultra-thin electrolytic copper foil production, the rolling unit includes first transition roller and the second transition roller that sets up along copper foil direction of transfer, and parallel and interval are equipped with the rolling axle in outside frame, are equipped with the sixth guide roll between each rolling axle and second transition roller.
The utility model adopts the above structure after, cut the copper foil of production earlier, mutually supporting of the ultrasonic washing groove, first liquid middle roll, ultrasonic vibration board and the washing shower that the rethread set up, the copper foil after will cutting is copper powder on the surface cleared up, eliminates the potential safety hazard that the copper powder granule brought. Simultaneously, through the mutual cooperation of the organic anti-oxidation groove, the second liquid middle roller, the guide roller, the wringing roller and the drying box, the surfaces of two ends of the copper foil after shearing and copper powder particle removal are subjected to anti-oxidation treatment, and the problem of end oxidation of a finished copper foil product is solved. The intelligent integrated equipment for production, slitting, copper powder cleaning and surface antioxidant treatment of the ultrathin electrolytic copper foil can greatly reduce capital investment, quickly put into production, conveniently obtain finished products and effectively reduce problems, can meet the requirements of new energy automobile power batteries, intelligent digital batteries and energy storage batteries on the copper foil powder on the surface of the ultrathin electrolytic copper foil and solve the problem of end oxidation of the sheared copper foil, has good use effect, reduces equipment investment, optimizes equipment structure, reduces labor cost and reduces energy consumption of finished products, and is beneficial to the production of the ultrathin electrolytic copper foil.
Drawings
The present invention will be described in further detail with reference to the following examples, which are not intended to limit the invention.
Fig. 1 is a schematic structural plan view of the present invention.
Fig. 2 is a schematic view of the whole structure of the present invention.
In the figure: 1. a green foil unit; 1a, an anode tank; 1b, copper sulfate solution; 1c, a cathode roll; 2. a copper foil slitting unit; 2a, a cutter shaft; 2b, a first guide roller; 2c, a second guide roller; 2d, a circular knife; 2e, a compression roller; 3. stripping the assembly; 3a, stripping the shaft; 3b, a tension roller; 4. an oxidation preventing treatment unit; 4a, an organic anti-oxidation tank; 4b, a second liquid middle roller; 4c, a third guide roller; 4d, a fourth guide roller; 4e, a first wringing roller; 4f, a fifth guide roller; 4g, drying in a box; 4h, a second wringing roller; 5. a winding unit; 5a, a first transition roller; 5b, a second transition roller; 5c, a winding shaft; 5d, a sixth guide roller; 6. an ultrasonic rinsing bath; 7. a first submerged roller; 8. an ultrasonic vibration plate; 9. and (5) washing the spray pipe with water.
Detailed Description
Referring to fig. 1 to 2, the utility model discloses an integrated equipment of ultra-thin electrolytic copper foil production, including giving birth to paper tinsel unit 1 and copper foil and cutting unit 2, give birth to and be equipped with peeling assembly 3 between paper tinsel unit 1 and the copper foil cuts unit 2, the copper foil produced by giving birth to paper tinsel unit 1 passes through peeling assembly 3 and copper foil in proper order and cuts unit 2, is equipped with anti-oxidation processing unit 4 and rolling unit 5 in proper order in the copper foil transmission direction after cutting; an ultrasonic rinsing bath 6 is arranged between the copper foil slitting unit 2 and the anti-oxidation treatment unit 4, a first submerged roller 7 is rotatably connected in the ultrasonic rinsing bath 6 through a bearing and a shaft seat in a matched manner, ultrasonic vibration plates 8 are arranged in the ultrasonic rinsing bath 6 at the periphery of the first submerged roller 7 at intervals along the circumferential direction, and rinsing spray pipes 9 corresponding to the copper foils are arranged above the liquid level of the ultrasonic rinsing bath 6 at intervals along the copper foil transmission direction; the copper foil cut by the copper foil cutting unit 2 sequentially passes through the first liquid middle roller 7 and the water washing spray pipe 9 and then enters the anti-oxidation treatment unit 4. Earlier cut the copper foil of production, ultrasonic wave wash bowl 6 that the rethread set up, roller 7 in the first liquid, mutually supporting of ultrasonic wave vibration board 8 and washing shower 9, the copper powder on the copper foil surface after will cutting is cleared up, and break away from the copper foil surface completely with the copper powder granule through the mode that sprays, the potential safety hazard that the effectual elimination copper powder granule brought, and simultaneously, through the anti-oxidation processing unit 4 that sets up, can carry out anti-oxidation treatment with shearing back and the copper foil both ends surface after getting rid of the copper powder granule, solve copper foil finished product tip oxidation problem.
The raw foil unit 1 comprises an anode tank 1a, a copper sulfate solution 1b arranged in the anode tank 1a and a cathode roller 1c arranged in the anode tank 1a in a matching manner; the copper foil produced by the cooperation of the anode tank 1a, the copper sulfate solution 1b and the cathode roller 1c enters the copper foil slitting unit 2 via the peeling assembly 3 for producing an electrolytic copper foil.
In addition, the stripping assembly 3 comprises a stripping shaft 3a and an adjustable tension roller 3b which are arranged between the raw foil unit 1 and the copper foil slitting unit 2, so that produced copper foils can be stripped, and the copper foils can be conveniently conveyed to the copper foil slitting unit 2.
Specifically, the copper foil slitting unit 2 comprises a cutter shaft 2a, a first guide roller 2b and a second guide roller 2c which are arranged along the copper foil conveying direction; be equipped with in the frame of outside with cutter shaft 2a matched with adjustable circular knife 2d, be equipped with in the frame of outside with first guide roll 2b matched with compression roller 2e, can cut the copper foil to suitable specification as required.
Specifically, the anti-oxidation treatment unit 4 comprises an organic anti-oxidation tank 4a, and a second liquid middle roller 4b is rotatably connected in the organic anti-oxidation tank 4a through a bearing and a shaft seat in a matching manner; a third guide roller 4c and a fourth guide roller 4d are arranged between the ultrasonic rinsing tank 6 and the organic anti-oxidation tank 4a, and a first wringing roller 4e matched with the third guide roller 4c is arranged on the external frame and can extrude rinsing liquid on the surface of the copper foil; a fifth guide roller 4f and a drying box 4g are arranged between the organic anti-oxidation groove 4a and the rolling unit 5, and a second wringing roller 4h matched with the fifth guide roller 4f is arranged on the external frame, so that the organic anti-oxidation liquid on the surface of the copper foil can be squeezed out. Through the mutual cooperation of the organic anti-oxidation groove 4a, the second liquid middle roller 4b and the drying box 4g, the surfaces of two ends of the copper foil which is sheared and the copper powder particles of which are removed can be subjected to anti-oxidation treatment, and the problem of end oxidation of a finished copper foil product is solved.
Finally, the winding unit 5 comprises a first transition roller 5a and a second transition roller 5b which are arranged along the copper foil transmission direction, winding shafts 5c are arranged on the external frame in parallel at intervals, and a sixth guide roller 5d is arranged between each winding shaft 5c and the second transition roller 5b and can wind the processed copper foil.
In this embodiment, it should be noted that the raw foil unit 1, the copper foil slitting unit 2, the winding unit 5, and various roll shafts such as each guide roll, tension roll, submerged roll, transition roll, and wringing roll that are adopted in this application are prior art, and the installation and specification of each component are also prior art, and therefore, the connection relationship and principle thereof are not repeated herein.
When the copper sulfate electrolysis device is used, copper foil is electrolyzed between the anode tank 1a and the cathode roller 1c through the purified copper sulfate electrolyte 1b, and the electrolyzed copper foil is stripped through the stripping shaft 3a and the tension roller 3b and then is sheared between the cutter shaft 2a and the circular cutter 2d to the requirements of customers. The sheared copper foil enters an ultrasonic washing tank 6 and sequentially passes through a first liquid middle roller 7 and a washing spray pipe 9, particles attached to the surface of the copper foil are vibrated and loosened under the action of an ultrasonic vibration plate 8, and the surface of the copper foil is washed under the action of the washing spray pipe 9, so that copper powder particles are completely separated from the surface of the copper foil. Then the copper foil enters an organic anti-oxidation tank 4a, after being soaked and sprayed by organic anti-oxidation liquid, the surface and the end part of the copper foil are subjected to organic anti-oxidation treatment, then the copper foil enters a drying box 4g to be baked with residual moisture on the surface of the copper foil, and finally the finished product is wound by winding shafts 5 c.
The above embodiment is the preferred embodiment of the present invention, which is only used to facilitate the explanation of the present invention, it is not right to the present invention, which makes the restriction on any form, and any person who knows commonly in the technical field can use the present invention to make the equivalent embodiment of local change or modification without departing from the technical features of the present invention.

Claims (6)

1. An integrated device for producing ultrathin electrolytic copper foil comprises a crude foil unit (1) and a copper foil slitting unit (2), and is characterized in that a stripping assembly (3) is arranged between the crude foil unit (1) and the copper foil slitting unit (2), the copper foil produced by the crude foil unit (1) sequentially passes through the stripping assembly (3) and the copper foil slitting unit (2), and an anti-oxidation treatment unit (4) and a winding unit (5) are sequentially arranged in the transmission direction of the slit copper foil;
an ultrasonic rinsing bath (6) is arranged between the copper foil slitting unit (2) and the anti-oxidation treatment unit (4), a first submerged roller (7) is rotatably connected in the ultrasonic rinsing bath (6) through a bearing and a shaft seat in a matched manner, ultrasonic vibration plates (8) are arranged in the ultrasonic rinsing bath (6) at the periphery of the first submerged roller (7) at intervals along the circumferential direction, and rinsing spraying pipes (9) corresponding to the copper foil are arranged above the liquid level of the ultrasonic rinsing bath (6) at intervals along the copper foil transmission direction; the copper foil cut by the copper foil cutting unit (2) sequentially passes through the first liquid middle roller (7) and the washing spray pipe (9) and then enters the anti-oxidation treatment unit (4).
2. The integrated apparatus for manufacturing an ultra-thin electrolytic copper foil according to claim 1, wherein the green foil unit (1) comprises an anode tank (1a), a copper sulfate solution (1b) disposed in the anode tank (1a), and a cathode roll (1c) cooperatively disposed in the anode tank (1 a); the copper foil produced by the cooperation of the anode tank (1a), the copper sulfate solution (1b) and the cathode roller (1c) enters the copper foil slitting unit (2) through the stripping assembly (3).
3. An integrated apparatus for ultra-thin electrolytic copper foil production according to claim 1, wherein the peeling assembly (3) comprises a peeling shaft (3a) and an adjustable tension roller (3b) disposed between the green foil unit (1) and the copper foil slitting unit (2).
4. An integrated apparatus for manufacturing an ultra-thin electrolytic copper foil according to claim 1, wherein the copper foil slitting unit (2) comprises a cutter shaft (2a), a first guide roll (2b) and a second guide roll (2c) arranged along a copper foil transfer direction; an adjustable circular knife (2d) matched with the knife cutting shaft (2a) is arranged on the external frame, and a press roller (2e) matched with the first guide roller (2b) is arranged on the external frame.
5. The integrated equipment for producing the ultra-thin electrolytic copper foil according to claim 1, wherein the anti-oxidation treatment unit (4) comprises an organic anti-oxidation tank (4a), and a second middle liquid roller (4b) is rotatably connected in the organic anti-oxidation tank (4a) through a bearing and a shaft seat in a matching manner; a third guide roller (4c) and a fourth guide roller (4d) are arranged between the ultrasonic rinsing tank (6) and the organic anti-oxidation tank (4a), and a first wringing roller (4e) matched with the third guide roller (4c) is arranged on the external frame;
a fifth guide roller (4f) and a drying box (4g) are arranged between the organic anti-oxidation tank (4a) and the winding unit (5), and a second wringing roller (4h) matched with the fifth guide roller (4f) is arranged on the external frame.
6. The integrated apparatus for manufacturing ultra-thin electrolytic copper foil according to claim 1, wherein the winding unit (5) comprises a first transition roller (5a) and a second transition roller (5b) arranged along the copper foil transferring direction, winding shafts (5c) are arranged on the external frame in parallel and at intervals, and a sixth guide roller (5d) is arranged between each winding shaft (5c) and the second transition roller (5 b).
CN202020014152.8U 2020-01-06 2020-01-06 Integrated equipment of ultra-thin electrolytic copper foil production Active CN211522338U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020014152.8U CN211522338U (en) 2020-01-06 2020-01-06 Integrated equipment of ultra-thin electrolytic copper foil production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020014152.8U CN211522338U (en) 2020-01-06 2020-01-06 Integrated equipment of ultra-thin electrolytic copper foil production

Publications (1)

Publication Number Publication Date
CN211522338U true CN211522338U (en) 2020-09-18

Family

ID=72468598

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020014152.8U Active CN211522338U (en) 2020-01-06 2020-01-06 Integrated equipment of ultra-thin electrolytic copper foil production

Country Status (1)

Country Link
CN (1) CN211522338U (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112621844A (en) * 2020-11-30 2021-04-09 江苏箔华电子科技有限公司 Device and method for deburring copper foil
CN112919203A (en) * 2021-03-22 2021-06-08 广东嘉元科技股份有限公司 Electrolytic copper foil coiling mechanism, surface treatment device before coiling
CN113136582A (en) * 2021-03-12 2021-07-20 付钦堂 Tantalum foil pretreatment device for preparing single crystal furnace graphite heater
CN113430590A (en) * 2021-07-27 2021-09-24 江西铜博科技有限公司 Integrated production line is cut in copper foil production
CN113976978A (en) * 2021-10-27 2022-01-28 王鸿阳 Immersive copper sheet nickel plating cutting device
CN114411209A (en) * 2022-03-01 2022-04-29 广东嘉元科技股份有限公司 Manufacturing method and production equipment of extra-thin copper foil
CN114990643A (en) * 2022-06-17 2022-09-02 铜陵市华创新材料有限公司 Foil-generating integrated machine and production process thereof

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112621844A (en) * 2020-11-30 2021-04-09 江苏箔华电子科技有限公司 Device and method for deburring copper foil
CN113136582B (en) * 2021-03-12 2023-09-22 昆明汇泉高纯半导材料有限公司 Tantalum foil pretreatment device for preparing graphite heater of single crystal furnace
CN113136582A (en) * 2021-03-12 2021-07-20 付钦堂 Tantalum foil pretreatment device for preparing single crystal furnace graphite heater
CN112919203A (en) * 2021-03-22 2021-06-08 广东嘉元科技股份有限公司 Electrolytic copper foil coiling mechanism, surface treatment device before coiling
CN112919203B (en) * 2021-03-22 2021-09-21 广东嘉元科技股份有限公司 Electrolytic copper foil coiling mechanism, surface treatment device before coiling
KR102684651B1 (en) * 2021-03-22 2024-07-15 광동 지아위안 테크놀로지 컴퍼니., 리미티드. Electrolytic copper foil winding device and pre-winding surface treatment device
KR20220131826A (en) * 2021-03-22 2022-09-29 광동 지아위안 테크놀로지 컴퍼니., 리미티드. Electrolytic copper foil winding device and pre-winding surface treatment device
CN113430590A (en) * 2021-07-27 2021-09-24 江西铜博科技有限公司 Integrated production line is cut in copper foil production
CN113976978A (en) * 2021-10-27 2022-01-28 王鸿阳 Immersive copper sheet nickel plating cutting device
CN113976978B (en) * 2021-10-27 2024-01-12 王鸿阳 Immersion copper sheet nickel plating cutting device
CN114411209A (en) * 2022-03-01 2022-04-29 广东嘉元科技股份有限公司 Manufacturing method and production equipment of extra-thin copper foil
CN114411209B (en) * 2022-03-01 2022-10-14 广东嘉元科技股份有限公司 Manufacturing method and production equipment of extra-thin copper foil
CN114990643B (en) * 2022-06-17 2024-02-13 江西华创新材有限公司 Foil producing integrated machine and production process thereof
CN114990643A (en) * 2022-06-17 2022-09-02 铜陵市华创新材料有限公司 Foil-generating integrated machine and production process thereof

Similar Documents

Publication Publication Date Title
CN211522338U (en) Integrated equipment of ultra-thin electrolytic copper foil production
CN210092747U (en) Waste cable peeling device
CN203007451U (en) Electrolytic copper foil forming machine provided with water squeezing roller and liquid squeezing roller
CN202755078U (en) Conjoined device for electrolytic copper foil peeling and surface treatment
CN211137337U (en) Integrated raw foil slitting equipment for copper foil processing
CN112621844B (en) Device and method for deburring copper foil
CN109652832A (en) A kind of copper foil electrolytic producer apparatus with antioxidant effect
CN203593802U (en) Surface treatment equipment for electrolytic copper foil
CN212925197U (en) Anti-crystallization device for electrolytic bath of foil generator
CN211005663U (en) Device convenient to slow down oxidation of cathode roll
CN104404590A (en) Additive used for electrolytic copper foil and surface roughening treatment technology for electrolytic copper foil
CN111229720A (en) Online ultrasonic cleaning device in electrolytic copper foil surface treatment process
CN202688471U (en) Water washing case device of crude foil engine
CN213977940U (en) Auxiliary groove for preventing copper plating of conductive roller at lower side of coating film
CN202954118U (en) Electrolytic copper foil producing machine equipped with liquid squeezing roller
CN112663104A (en) Device and method for preventing plating solution of liquid squeezing assembly of electroplating equipment from crystallizing
CN212925198U (en) Online cleaning device for electrolytic copper foil
CN110777379A (en) Coarsening treatment device for copper foil of circuit board
CN213061053U (en) Electrolytic copper foil forming machine with ultra-large width
CN211999947U (en) Crowded sour roller structure of raw paper tinsel machine for copper foil production
CN210607440U (en) Lithium battery tab hot press molding equipment
CN2478709Y (en) Copper foil producing combine
CN207608646U (en) Post-treatment solution slot
CN203096201U (en) Rolling device for copper foil on surface of titanium roll
CN211645441U (en) Prevent that solidification from spraying crystallization and causing copper foil indentation device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant