Stainless steel strip roll-to-roll etching method

Abstract

The invention relates to a roll-to-roll etching method for a stainless steel strip, and belongs to the technical field of roll-to-roll etching processing.The roll-to-roll etching method for the stainless steel strip comprises an etching machine box, a dust collection box and a heating air bellow, the etching machine box is rotationally connected with an unwinding roller, a first guide roller, a second guide roller, a third guide roller, a fourth guide roller and a winding roller, and a first supporting frame is fixedly installed on the etching machine box; the number of the first supporting frames is two. According to the device, a stainless steel coil and an etching protective film can be synchronously unwound, the etching protective film can be fully attached to the stainless steel coil after the stainless steel coil is cleaned, the stainless steel coil is subjected to etching processing, surface etching liquid can be dried and cleaned after etching processing, and the etching film can be split and then wound separately; by means of the roll-to-roll etching method, feeding, cleaning, film releasing, etching, film removing and rolling can be integrally conducted on the stainless steel material roll, and the etching machining efficiency of the stainless steel material roll can be effectively improved.

Description

Technical Field

[0001] The invention relates to the technical field of roll-to-roll etching processing, and in particular to a roll-to-roll etching method for a stainless steel strip. Background Art

[0002] The roll-to-roll etching process is a continuous production technology, which is usually used to process flexible stainless steel strips such as stainless steel strips, plastic films, metal foils, etc. This process can be carried out on a high-speed continuous production line and is suitable for large-area and high-efficiency processing needs.

[0003] When a stainless steel strip is subjected to roll-to-roll etching, it is usually necessary to pre-treat the stainless steel strip first, including cleaning the surface and coating a protective film, so as to ensure that the subsequent etching process can proceed smoothly, and then the stainless steel strip enters the coating area of ​​the etchant through the reel system, and the stainless steel strip coated with the etchant enters the etching area, and the stainless steel strip is transmitted in the etchant through the roller system, so that the etchant reacts chemically with the surface of the stainless steel strip to remove or change the surface material, and after the etching is completed, it can be rolled up, and the existing etching processing lines are usually set separately, in order to further improve the etching processing effect of the stainless steel strip, a roll-to-roll etching method for stainless steel strip is proposed, which can unwind the stainless steel roll and the etching protective film synchronously, and after cleaning the stainless steel roll, the etching protective film can be fully bonded to the stainless steel roll, and the stainless steel roll can be etched, and the surface etching liquid can be dried and cleaned after the etching process, and the etching film can be split and rolled up separately, so as to facilitate subsequent reuse and subsequent processing. Summary of the invention

[0004] The present invention provides a roll-to-roll etching method for stainless steel strips, which further improves the etching processing effect of the stainless steel strips. The stainless steel strips and the etching protective film can be unwound synchronously, and after the stainless steel strips are cleaned, the etching protective film can be fully bonded to the stainless steel strips, and the stainless steel strips can be etched. After the etching, the surface etching liquid can be dried and cleaned, and the etching film can be split and rewound separately, so as to facilitate subsequent reuse and subsequent processing.

[0005] The solution of the present invention to solve the above technical problems is as follows: a roll-to-roll etching method for stainless steel strips, comprising an etching machine case, a dust collecting box, and a heating bellows, the etching machine case is rotatably connected with a unwinding roller, a No. 1 material guide roller, a No. 2 material guide roller, a No. 3 material guide roller, a No. 4 material guide roller and a winding roller, the etching machine case is fixedly installed with a No. 1 support frame, the No. 1 support frame is provided with two, and the No. 1 support frames on both sides are fixedly installed with a No. 1 hydraulic cylinder, the No. 1 hydraulic cylinder is fixedly installed with a cleaning frame, the cleaning frame is fixedly installed with a rotating motor and a dust collecting pipe, the rotating motor is fixedly connected with a brush roller, the brush roller is rotatably connected to the inner wall of the cleaning frame, the dust collecting box is fixedly connected with the dust collecting pipe, the dust collecting box is fixedly connected with an extraction fan, the inner wall of the dust collecting box is fixedly installed with a dust filter, and the dust collecting box is fixedly connected with an exhaust fan. A material valve, a No. 2 support frame is fixedly installed on the inner wall of the etching machine case, and there are two No. 2 support frames, and the two No. 2 support frames are fixedly installed with a No. 2 hydraulic cylinder, and the No. 2 hydraulic cylinder is fixedly installed with a positioning frame, and the inner wall of the positioning frame is rotatably connected with an extrusion roller, and an etching pool is fixedly installed on the inner wall of the etching machine case, and the inner wall of the etching pool is rotatably connected with a No. 5 material guide roller, and a drying air box is fixedly installed on the inner wall of the etching machine case, and there are two drying air boxes, and the two drying air boxes are fixedly connected with an air jet pipe, and the drying air box is fixedly connected with the heating air box, and the inner wall of the heating air box is fixedly installed with an exhaust fan and an electric heater, and the unwinding roller and the winding roller are arranged in three one-to-one correspondence, and the etching machine case is fixedly installed with a drive box, and the inner wall of the etching machine case is fixedly installed with a diverter plate;

[0006] The etching method comprises the following steps:

[0007] S1: The three unwinding rollers are respectively loaded with two etching film rolls and a stainless steel roll. The stainless steel roll is placed at the middle unwinding roller. The three unwinding rollers can unwind the two etching film rolls and the stainless steel roll and transfer them to the gap between the cleaning racks on both sides under the guidance of the three No. 1 guide rollers. During the conveying process of the two etching film rolls and the stainless steel roll by the No. 1 guide roller, the No. 1 hydraulic cylinder of the No. 1 support rack on both sides is started to drive the cleaning racks on both sides to fit the two sides of the stainless steel roll. The rotating motor is started to drive the brush roller to rotate, and the brush roller can rotate and clean the two sides of the stainless steel roll. The extraction fan is started, and the dust collection pipe can extract the debris cleaned by the stainless steel roll into the dust collection box. The dust filter can intercept the debris in the dust collection box. The discharge valve is opened to discharge the debris from the dust collection box for cleaning;

[0008] S2: Starting the No. 2 hydraulic cylinder of the No. 2 support frame on both sides can drive the positioning frames on both sides to merge, and the squeezing rollers of the positioning frames can press and merge the etching film roll and the stainless steel roll, so that the etching film roll can be attached to both sides of the stainless steel roll, and the stainless steel roll combined with the etching film roll can be input into the etching pool through the No. 3 guide roller and the No. 5 guide roller for etching processing;

[0009] S3: The etched stainless steel coil can pass through the gap between the air jet pipes on both sides, start the exhaust fan and the electric heater in the heating bellows, and the drying hot air can be input into the drying bellows and sprayed out through the air jet pipe. The etching liquid on the outer wall of the stainless steel coil can be cleaned. After the etching liquid is cleaned, the stainless steel coil can pass through the No. 3 guide roller to the diverter plate. The diverter plate can separate the etched film rolls on both sides of the stainless steel coil, and the stainless steel coil and the etched film roll can be reeled up by the reeling rollers under the guidance of the No. 4 guide roller.

[0010] Based on the above technical solution, the present invention can also be improved as follows.

[0011] Furthermore, the opening of the dust collecting pipe is configured as a section structure.

[0012] Furthermore, two drive boxes are provided, and stepper motors are fixedly installed on the inner walls of the two drive boxes. Synchronous wheels are fixedly installed on the unwinding roller, winding roller and stepper motor. The outer walls of the synchronous wheels on each side are sleeved with synchronous belts, and the synchronous wheels on each side are connected through synchronous belt transmission.

[0013] Furthermore, two diverter plates are provided, and the ends of the two diverter plates are both cut surface structures.

[0014] Furthermore, there are six No. 1 material guide rollers, and the No. 1 material guide rollers are arranged on both sides of the positioning frame.

[0015] Furthermore, two No. 2 material guide rollers are provided, and the two No. 2 material guide rollers are respectively placed on both sides of the top of the etching pool.

[0016] Furthermore, two No. 3 material guide rollers are provided.

[0017] The beneficial effects of the present invention are as follows: the present invention provides a roll-to-roll etching method for stainless steel strips, which has the following advantages:

[0018] 1. When the stainless steel roll is being conveyed by the No. 1 guide roller, the No. 1 hydraulic cylinder of the No. 1 support frame on both sides is started to drive the cleaning frames on both sides to fit the two sides of the stainless steel roll. The rotating motor is started to drive the brush roller to rotate, and the brush roller can rotate and clean the two sides of the stainless steel roll. The extraction fan is started, and the dust collection pipe can extract the debris cleaned by the stainless steel roll into the dust collection box. The dust filter can intercept the debris in the dust collection box. The discharge valve can be opened to discharge the debris from the dust collection box for cleaning;

[0019] 2. Start the No. 2 hydraulic cylinder of the No. 2 support frame on both sides to drive the positioning frames on both sides to merge, and the squeezing rollers of the positioning frames can press and merge the etching film roll and the stainless steel roll, so that the etching film roll can be attached to both sides of the stainless steel roll. The stainless steel roll combined with the etching film roll can be input into the etching pool through the No. 3 guide roller and the No. 5 guide roller for etching processing;

[0020] 3. The etched stainless steel coil can pass through the gap between the two sides of the jet pipes, start the exhaust fan and the electric heater in the heating wind box, and the drying hot air can be input into the drying wind box and sprayed out through the jet pipe. The etching liquid on the outer wall of the stainless steel coil can be cleaned. After the etching liquid is cleaned, the stainless steel coil can pass through the No. 3 guide roller to the splitter plate. The splitter plate can separate the etched film rolls on both sides of the stainless steel coil, and the stainless steel coil and the etched film roll can be reeled up by the reeling rollers under the guidance of the No. 4 guide roller.

[0021] 4. Such an etching method can unwind the stainless steel coil and the etching protective film synchronously, and after cleaning the stainless steel coil, the etching protective film can be fully bonded to the stainless steel coil, and the stainless steel coil can be etched. The surface etching liquid can be dried and cleaned after etching, and the etching film can be split and rewound separately, so as to facilitate subsequent reuse and subsequent processing. Such a roll-to-roll etching method can load, clean, unwind, etch, dismantle and rewind the stainless steel coil in an integrated manner, which can effectively improve the etching processing efficiency of the stainless steel coil.

[0022] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings. The specific implementation of the present invention is given in detail by the following embodiments and their accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0024] Figure 1 A schematic structural diagram of a roll-to-roll etching method for a stainless steel strip provided by an embodiment of the present invention;

[0025] Figure 2 A schematic diagram of a structure from a top view of a roll-to-roll etching method for a stainless steel strip provided by an embodiment of the present invention;

[0026] Figure 3 A schematic structural diagram of a cleaning frame in a roll-to-roll etching method for a stainless steel strip provided by an embodiment of the present invention;

[0027] Figure 4 A schematic diagram of the structure of a driving box in a roll-to-roll etching method for a stainless steel strip provided by an embodiment of the present invention;

[0028] Figure 5 A schematic diagram of the structure of a dust collecting box in a roll-to-roll etching method for a stainless steel strip provided by an embodiment of the present invention;

[0029] Figure 6 A schematic structural diagram of a drying bellows in a roll-to-roll etching method for a stainless steel strip provided in one embodiment of the present invention.

[0030] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0031] 1. Etching machine chassis; 2. Unwinding roller; 3. No. 1 guide roller; 4. No. 2 guide roller; 5. No. 3 guide roller; 6. No. 4 guide roller; 7. Winding roller; 8. No. 1 support frame; 9. No. 1 hydraulic cylinder; 10. Cleaning frame; 11. Rotating motor; 12. Dust collecting pipe; 13. Brush roller; 14. Dust collecting box; 15. Extraction fan; 16. Dust filter; 17. Discharge valve; 18. No. 2 support frame; 19. No. 2 hydraulic cylinder; 20. Positioning frame; 21. Squeeze roller; 22. Etching pool; 23. No. 5 guide roller; 24. Drying bellows; 25. Jet pipe; 26. Heating bellows; 27. Exhaust fan; 28. Electric heater; 29. ​​Drive box; 30. Stepping motor; 31. Synchronous wheel; 32. Synchronous belt; 33. Diverter plate. DETAILED DESCRIPTION

[0032] The following is combined with Figure 1-6 The principles and features of the present invention are described, and the examples are only used to explain the present invention and are not used to limit the scope of the present invention. In the following paragraphs, the present invention is described in more detail by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer according to the following description and claims. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to facilitate and clearly assist in explaining the purpose of the embodiments of the present invention.

[0033] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0034] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0035] like Figure 1-6 As shown, the present invention provides a roll-to-roll etching method for stainless steel strips, comprising an etching machine case 1, a dust collecting box 14, and a heating bellows 26. The etching machine case 1 is rotatably connected with an unwinding roller 2, a No. 1 material guide roller 3, a No. 2 material guide roller 4, a No. 3 material guide roller 5, a No. 4 material guide roller 6, and a winding roller 7. The etching machine case 1 is fixedly installed with a No. 1 support frame 8, and two No. 1 support frames 8 are provided. The No. 1 support frames 8 on both sides are fixedly installed with a No. 1 hydraulic cylinder 9, and the No. 1 hydraulic cylinder 9 is fixedly installed with a cleaning frame 10. The cleaning frame 10 is fixedly installed with a rotating motor 11 and a dust collecting pipe 12. The rotating motor 11 is fixedly connected with a brush roller 13, and the brush roller 13 is rotatably connected to the inner wall of the cleaning frame 10. The dust collecting box 14 is fixedly connected with the dust collecting pipe 12, and the dust collecting box 14 is fixedly connected with an extraction fan 15. The inner wall of the dust collecting box 14 is fixedly installed with a dust filter 16, and the dust collecting box 14 is fixedly connected with a discharge valve 17. A No. 2 support frame 18 is fixedly installed on the inner wall of the etching machine chassis 1. There are two No. 2 support frames 18. Both No. 2 support frames 18 are fixedly installed with a No. 2 hydraulic cylinder 19. The No. 2 hydraulic cylinder 19 is fixedly installed with a positioning frame 20. The inner wall of the positioning frame 20 is rotatably connected with an extrusion roller 21. An etching pool 22 is fixedly installed on the inner wall of the etching machine chassis 1. The inner wall of the etching pool 22 is rotatably connected with a No. 5 guide roller 23. A drying air box 24 is fixedly installed on the inner wall of the etching machine chassis 1. There are two drying air boxes 24. Both drying air boxes 24 are fixedly connected with an air jet pipe 25. The drying air box 24 is fixedly connected with the heating air box 26. An exhaust fan 27 and an electric heater 28 are fixedly installed on the inner wall of the heating air box 26. There are three unwinding rollers 2 and winding rollers 7 corresponding to each other. A drive box 29 is fixedly installed on the etching machine chassis 1. A diverter plate 33 is fixedly installed on the inner wall of the etching machine chassis 1.

[0036] Preferably, the opening of the dust collecting pipe 12 is configured as a cut surface structure, so as to facilitate the processing of dust on the outer wall of the stainless steel strip.

[0037] Preferably, two drive boxes 29 are provided, and stepper motors 30 are fixedly installed on the inner walls of the two drive boxes 29. The unwinding roller 2, the winding roller 7 and the stepper motor 30 are fixedly installed with synchronous wheels 31. The outer walls of the synchronous wheels 31 on each side are sleeved with synchronous belts 32. The synchronous wheels 31 on each side are connected through the synchronous belts 32. Starting the stepper motor 30 can drive one synchronous wheel 31 to rotate, and multiple synchronous wheels 31 can rotate synchronously through the synchronous belts 32, so that the three unwinding rollers 2 and the winding roller 7 can rotate synchronously.

[0038] Preferably, two diverter plates 33 are provided, and the ends of the two diverter plates 33 are both cut surface structures, which is convenient for separating the etching films on both sides of the stainless steel strip.

[0039] Preferably, six No. 1 material guide rollers 3 are provided, and the No. 1 material guide rollers 3 are arranged on both sides of the positioning frame 20 .

[0040] Preferably, two No. 2 material guide rollers 4 are provided, and the two No. 2 material guide rollers 4 are respectively placed on both sides of the top of the etching pool 22 .

[0041] Preferably, two No. 3 material guide rollers 5 are provided.

[0042] The specific working principle and use method of the present invention are:

[0043] S1: The three unwinding rollers 2 are respectively loaded with two etching film rolls and a stainless steel material roll, and the stainless steel material roll is placed at the middle unwinding roller 2. The three unwinding rollers 2 can unwind the two etching film rolls and the stainless steel material roll and transfer them to the gap between the cleaning racks 10 on both sides under the guiding action of the three No. 1 guide rollers 3. During the conveying process of the two etching film rolls and the stainless steel material roll, the No. 1 hydraulic cylinder 9 of the No. 1 support frame 8 on both sides is started to drive the cleaning racks 10 on both sides to fit the two sides of the stainless steel material roll, and the rotating motor 11 is started to drive the brush roller 13 to rotate, and the brush roller 13 can rotate and clean the two sides of the stainless steel material roll, and the extraction fan 15 is started, and the dust collecting pipe 12 can extract the debris cleaned by the stainless steel material roll into the dust collecting box 14, and the dust filter 16 can intercept the debris in the dust collecting box 14, and the discharge valve 17 can be opened to discharge the debris from the dust collecting box 14 for cleaning;

[0044] S2: Starting the No. 2 hydraulic cylinder 19 of the No. 2 support frame 18 on both sides can drive the positioning frames 20 on both sides to merge, and the squeezing rollers 21 of the positioning frames 20 can press and merge the etching film roll and the stainless steel roll, so that the etching film roll can be attached to both sides of the stainless steel roll, and the stainless steel roll combined with the etching film roll can be input into the etching pool 22 through the No. 3 guide roller 5 and the No. 5 guide roller 23 for etching processing;

[0045] S3: The etched stainless steel coil can pass through the gap between the air jet pipes 25 on both sides, start the exhaust fan 27 and the electric heater 28 in the heating wind box 26, and the drying hot air can be input into the drying wind box 24 and sprayed out through the air jet pipe 25, and the etching liquid on the outer wall of the stainless steel coil can be cleaned. After the etching liquid is cleaned, the stainless steel coil can pass through the third guide roller 5 to the diverter plate 33, and the diverter plate 33 can separate the etched film rolls on both sides of the stainless steel coil, and the stainless steel coil and the etched film roll can be respectively reeled up by the reeling roller 7 under the guidance of the fourth guide roller 6.

[0046] It should be noted that, in this document, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Contents not described in detail in this specification belong to the prior art known to professionals in the field.

[0047] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any ordinary technician in the industry can smoothly implement the present invention as shown in the drawings and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. A roll-to-roll etching method for stainless steel strip, comprising an etching machine box (1), a dust collecting box (14), and a heating bellows (26), characterized in that: The etching machine box (1) is rotatably connected with an unwinding roller (2), a No. 1 material guide roller (3), a No. 2 material guide roller (4), a No. 3 material guide roller (5), a No. 4 material guide roller (6) and a winding roller (7); the etching machine box (1) is fixedly installed with a No. 1 support frame (8); two No. 1 support frames (8) are provided, and No. 1 hydraulic cylinders (9) are fixedly installed on both sides of the No. 1 support frames (8); the No. 1 hydraulic cylinder (9) is fixedly installed with a cleaning frame (10), and the cleaning frame (10) is fixedly installed with a rotating motor (11 ) and a dust collecting pipe (12), the rotating motor (11) is fixedly connected to a brush roller (13), the brush roller (13) is rotatably connected to the inner wall of the cleaning frame (10), the dust collecting box (14) is fixedly connected to the dust collecting pipe (12), the dust collecting box (14) is fixedly connected to an extraction fan (15), the inner wall of the dust collecting box (14) is fixedly installed with a dust filter (16), the dust collecting box (14) is fixedly connected to a discharge valve (17), the inner wall of the etching machine case (1) is fixedly installed with a second support frame (18) ), two No. 2 support frames (18) are provided, and both No. 2 support frames (18) are fixedly mounted with No. 2 hydraulic cylinders (19), and the No. 2 hydraulic cylinders (19) are fixedly mounted with positioning frames (20), and the inner wall of the positioning frames (20) is rotatably connected with a squeezing roller (21), and the inner wall of the etching machine box (1) is fixedly mounted with an etching pool (22), and the inner wall of the etching pool (22) is rotatably connected with a No. 5 material guide roller (23), and the inner wall of the etching machine box (1) is fixedly mounted with a drying bellows (24) , two drying wind boxes (24) are provided, and the two drying wind boxes (24) are fixedly connected with an air injection pipe (25), the drying wind box (24) is fixedly connected with a heating wind box (26), and an exhaust fan (27) and an electric heater (28) are fixedly installed on the inner wall of the heating wind box (26), and three unwinding rollers (2) and winding rollers (7) are provided in a one-to-one correspondence, the etching machine box (1) is fixedly installed with a driving box (29), and the inner wall of the etching machine box (1) is fixedly installed with a diverter plate (33); The etching method comprises the following steps: S1: Three unwinding rollers (2) are respectively loaded with two etched film rolls and a stainless steel material roll. The stainless steel material roll is placed at the middle unwinding roller (2). The three unwinding rollers (2) can unwind the two etched film rolls and the stainless steel material roll and transfer them to the gap between the cleaning racks (10) on both sides under the guidance of the three No. 1 material guide rollers (3). During the conveying process of the two etched film rolls and the stainless steel material roll by the No. 1 material guide roller (3), the No. 1 hydraulic cylinder (9) of the No. 1 support rack (8) on both sides is activated to drive the cleaning racks (10) on both sides. The frame (10) is attached to both sides of the stainless steel coil, and the rotating motor (11) is started to drive the brush roller (13) to rotate, so that the brush roller (13) can rotate and clean both sides of the stainless steel coil. The extraction fan (15) is started, and the dust collecting pipe (12) can extract the debris cleaned by the stainless steel coil into the dust collecting box (14). The dust filter (16) can intercept the debris in the dust collecting box (14), and the discharge valve (17) can be opened to discharge the debris from the dust collecting box (14) for cleaning; S2: Starting the No. 2 hydraulic cylinder (19) of the No. 2 support frame (18) on both sides can drive the positioning frames (20) on both sides to merge, and the squeezing rollers (21) of the positioning frames (20) can press and merge the etching film roll and the stainless steel material roll, so that the etching film roll can be attached to both sides of the stainless steel material roll, and the stainless steel material roll combined with the etching film roll can be input into the etching pool (22) through the No. 3 material guide roller (5) and the No. 5 material guide roller (23) for etching processing; S3: The etched stainless steel coil can be passed through the gap between the air jet pipes (25) on both sides, and the exhaust fan (27) and the electric heater (28) in the heating wind box (26) can be started. The drying hot air can be input into the drying wind box (24) and sprayed out through the air jet pipe (25). The etching liquid on the outer wall of the stainless steel coil can be cleaned. After the etching liquid is cleaned, the stainless steel coil can pass through the third guide roller (5) to the splitter plate (33). The splitter plate (33) can separate the etched film rolls on both sides of the stainless steel coil. The stainless steel coil and the etched film roll can be respectively reeled up by the reeling roller (7) under the guidance of the fourth guide roller (6).

2. A roll-to-roll etching method for stainless steel strip according to claim 1, characterized in that: The opening of the dust collecting pipe (12) is arranged as a cut surface structure.

3. The roll-to-roll etching method for stainless steel strip according to claim 1, characterized in that: Two drive boxes (29) are provided, and a stepper motor (30) is fixedly mounted on the inner walls of the two drive boxes (29). Synchronous wheels (31) are fixedly mounted on the unwinding roller (2), the winding roller (7) and the stepper motor (30). A synchronous belt (32) is sleeved on the outer wall of the synchronous wheel (31) on each side, and the synchronous wheels (31) on each side are connected by transmission via the synchronous belt (32).

4. A roll-to-roll etching method for stainless steel strip according to claim 1, characterized in that: Two diverter plates (33) are provided, and the ends of the two diverter plates (33) are both cut surface structures.

5. The roll-to-roll etching method for stainless steel strip according to claim 1, characterized in that: Six No. 1 material guide rollers (3) are provided, and the No. 1 material guide rollers (3) are arranged on both sides of the positioning frame (20).

6. A roll-to-roll etching method for stainless steel strip according to claim 1, characterized in that: Two No. 2 material guide rollers (4) are provided, and the two No. 2 material guide rollers (4) are respectively placed on both sides of the top of the etching pool (22).

7. A roll-to-roll etching method for stainless steel strip according to claim 1, characterized in that: There are two No. 3 material guide rollers (5).

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