Copper strip pickling equipment

Abstract

The copper strip pickling equipment comprises a first pickling mechanism, the first pickling mechanism comprises a pickling box and a pickling chamber arranged at the upper end of the pickling box, a pickling assembly is arranged in the pickling chamber and comprises a first pickling tank and a second pickling tank arranged in the first pickling tank, and a collecting tank is arranged at the upper end of the second pickling tank; the pickling chamber is provided with a liquid adding opening used for adding a solution into the collecting tank, the solution passing through the liquid adding opening can flow into the collecting tank, the collecting tank is provided with a plurality of solution through holes, the front side and the rear side of the pickling chamber are provided with through holes, the front side and the rear side of the first pickling tank are provided with first U-shaped grooves, and the front side and the rear side of the second pickling tank are provided with second U-shaped grooves. And a plurality of compression rollers are rotationally arranged in the second pickling tank and are arranged up and down in a staggered manner in the length direction of the second pickling tank. The pickling time and the pickling distance of the copper strip in the second pickling tank are increased, and the pickling effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of copper strip processing equipment, and particularly relates to a copper strip pickling equipment. Background Art

[0002] A copper strip refers to a copper rolling product. The production process of the copper strip includes processes such as smelting, cold rolling, heat treatment, annealing, pickling, drying, and packaging and warehousing. Among them, the method of removing the oxide scale and rust on the surface of the copper strip by an acid solution is a method of cleaning the copper strip, which can enhance the surface luster and performance of the copper strip.

[0003] Currently, the existing patent CN 208472194 U discloses a device including a brushing machine and a pickling tank. The brushing machine includes a frame, an upper water squeezing roller and a corresponding lower water squeezing roller arranged on the frame, an upper brushing roller and a corresponding lower brushing roller. A water collecting device is arranged at the bottom of the frame. The copper strip is pressed into the pickling tank through a pressing roller for pickling. However, with this structure, the pickling time of the copper strip in the pickling tank is short, and the pickling operation distance of the copper strip is short, which affects the pickling and cleaning effect of the copper strip. Summary of the Utility Model

[0004] Aiming at the problems existing in the prior art, the utility model provides a copper strip pickling equipment.

[0005] The technical solution adopted by the utility model to solve the above technical problems is: a copper strip pickling equipment, including a first pickling mechanism. The first pickling mechanism includes a pickling tank and a pickling chamber arranged at the upper end of the pickling tank. A pickling component is arranged in the pickling chamber. The pickling component includes a first pickling tank and a second pickling tank arranged in the first pickling tank. A collecting tank is arranged at the upper end of the second pickling tank. A liquid adding port for adding a solution into the collecting tank is arranged on the pickling chamber. The solution can flow into the collecting tank through the liquid adding port. A plurality of solution through holes are arranged on the collecting tank. Through holes for the copper strip to pass through are arranged on both the front and rear sides of the pickling chamber. First U-shaped grooves for the copper strip to pass through are arranged on both the front and rear sides of the first pickling tank. Second U-shaped grooves for the copper strip to pass through are arranged on both the front and rear sides of the second pickling tank. A plurality of pressing rollers are rotatably arranged in the second pickling tank, and the plurality of pressing rollers are arranged in a vertically staggered manner along the length direction of the second pickling tank.

[0006] As a preferred solution, the bottom of the first U-shaped groove is higher than the bottom of the second U-shaped groove.

[0007] As a preferred solution, a second pickling mechanism is arranged at the rear end of the first pickling mechanism. The second pickling mechanism has the same structure and size as the first pickling mechanism. The pickling component of the first pickling mechanism structure is used for containing an acid solution, and the pickling component of the second pickling mechanism is used for containing a soldering aid solution.

[0008] As a preferred solution, a guiding roller is arranged in the pickling chamber of the second pickling mechanism, and the guiding roller is located between the through hole and the first U-shaped groove.

[0009] As a preferred solution, a front guiding roller is provided at the front end of the pickling chamber of the first pickling mechanism structure. A bracket is also provided at the front end of the pickling chamber of the first pickling mechanism structure. A first guiding roller is rotatably provided on the bracket. An inclined rod is provided on the bracket and inclined downward from top to bottom. A second guiding roller is rotatably provided on the inclined rod. A rear guiding roller is rotatably provided at the rear end of the pickling chamber of the second pickling mechanism structure.

[0010] As a preferred solution, a liquid outlet pipe is provided on one side of the first pickling tank. A liquid collecting tank is provided in the pickling box. The liquid outlet pipe is communicated with the liquid collecting tank through a connecting pipe. A switching valve is provided on the liquid outlet pipe.

[0011] As a preferred solution, a pick-and-place door is provided on one side of the pickling box along the width direction. An observation window is hinged on one side of the pickling chamber along the width direction.

[0012] The beneficial effects of this application are as follows: 1. Multiple pressure rollers in this application are arranged in a staggered manner along the length direction of the second pickling tank, increasing the pickling time and pickling distance of the copper strip in the second pickling tank and improving the pickling effect.

[0013] 2. This application also provides a second pickling mechanism. Through the soldering aid solution, the oxide scale and rust on the copper strip are further removed, further extending the cleaning time and cleaning distance, and further improving the cleaning effect of the copper strip. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic structural diagram of the present utility model;

[0015] Figure 2 is Figure 1 a top view;

[0016] Figure 3 is an internal view of the pickling chamber of the present utility model;

[0017] Figure 4 is a schematic structural diagram of the pickling assembly of the present utility model;

[0018] Figure 5 is a side sectional view of the second pickling tank of the present utility model;

[0019] Figure 6 is a schematic structural diagram of the collection box of the present utility model.

[0020] Markings in the figure: 1. Pickling tank, 11. Pick-and-place door, 2. Pickling chamber, 21. Observation window, 22. Front guiding roller, 23. Rear guiding roller, 24. Liquid adding port, 25. Through hole, 3. Bracket, 31. First guiding roller, 32. Tilted rod, 33. Second guiding roller, 4. First pickling tank, 41. First U-shaped groove, 42. Liquid outlet pipe, 5. Second pickling tank, 51. Second U-shaped groove, 52. U-shaped support plate, 521. Inverted U-shaped opening, 6. Collection tank, 61. Solution through hole, 7. Pressing roller, 8. Guide roller, 9. Liquid collection tank. Detailed implementation mode

[0021] In order to make the objectives, technical solutions and advantages of the present utility model clearer and more understandable, the following further details the present utility model in conjunction with the accompanying drawings and embodiments. It should be understood that in the description of the present utility model, unless otherwise specified, the meaning of "a plurality of" is two or more; the orientation or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. are based on the orientation or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0022] Please refer to Figures 1-6 , an embodiment of the present utility model provides a copper strip pickling device, including a first pickling mechanism. The first pickling mechanism includes a pickling tank 1 and a pickling chamber 2 provided at the upper end of the pickling tank 1. A pickling component is provided in the pickling chamber 2. The pickling component includes a first pickling tank 4 and a second pickling tank 5 provided in the first pickling tank 4. A collection tank 6 is provided at the upper end of the second pickling tank 5. A liquid adding port 24 for adding solution into the collection tank 6 is provided on the pickling chamber 2. The solution passing through the liquid adding port 24 can flow into the collection tank 6. A plurality of solution through holes 61 are provided on the collection tank 6. Through holes 25 for the copper strip to pass through are provided on both the front and rear sides of the pickling chamber 2. First U-shaped grooves 41 for the copper strip to pass through are provided on both the front and rear sides of the first pickling tank 4. Second U-shaped grooves 51 for the copper strip to pass through are provided on both the front and rear sides of the second pickling tank 5. A plurality of pressing rollers 7 are rotatably provided in the second pickling tank 5, and the plurality of pressing rollers 7 are arranged vertically and staggeredly along the length direction of the second pickling tank 5.

[0023] Wherein, the bottom of the first U-shaped groove 41 is higher than the bottom of the second U-shaped groove 51. More specifically, the first U-shaped groove 41 has a first horizontal portion and two first vertical portions located at both ends of the first horizontal portion, and the second U-shaped groove 51 has a second horizontal portion and two second vertical portions located at both ends of the second horizontal portion, and the second horizontal portion is lower than the first horizontal portion.

[0024] An acid solution is added into the collection tank 6 through the liquid filling port 24. The acid solution falls into the second pickling tank 5 through the solution through hole 61, then overflows the second horizontal part of the second U-shaped tank 51 and enters the first pickling tank 4 until the first pickling tank 4 is full. At this time, the upper end surface of the acid solution is lower than the first horizontal part of the first U-shaped tank 41 and higher than the second horizontal part.

[0025] The copper strip is pickled by soaking in the second pickling tank 5. After passing through the through hole 25 at the front end, the copper strip successively passes through the first U-shaped tank 41 and the second U-shaped tank 51 and is wound around the pressure roller 7 in an S shape for pickling the copper strip. After pickling, it exits through the second U-shaped tank 51, the first U-shaped tank 41, and the through hole 25 at the rear end.

[0026] Two U-shaped support plates 52 are oppositely arranged at the bottom of the second pickling tank 5. An inverted U-shaped opening is provided at the lower end of the U-shaped support plate 52. The second pickling tank 5 is clamped into the U-shaped support plate 52. The U-shaped support plate 52 is vertically arranged and its lower end is welded to the first pickling tank 4, and the upper end of the U-shaped support plate 52 is welded to the second pickling tank 5. By providing the inverted U-shaped opening 521, it is convenient for the acid solution to fill the entire first pickling tank 4, and multiple inverted U-shaped openings 521 can be provided.

[0027] Specifically, a second pickling mechanism is provided at the rear end of the first pickling mechanism. The second pickling mechanism and the first pickling mechanism have the same structure and size. The pickling component of the first pickling mechanism is used to hold the acid solution, and the pickling component of the second pickling mechanism is used to hold the soldering aid solution.

[0028] Combined with Figure 3 As described above, a guide roller 8 is provided in the pickling chamber 2 of the second pickling mechanism. The guide roller 8 is located between the through hole 25 and the first U-shaped tank 41.

[0029] More specifically, a front guide roller 22 is provided at the front end of the pickling chamber 2 of the first pickling mechanism structure. A bracket 3 is also provided at the front end of the pickling chamber 2 of the first pickling mechanism structure. A first guide roller 31 is rotatably provided on the bracket 3. An inclined rod 32 is provided on the bracket 3 and is inclined downward from top to bottom. The bottom end of the inclined rod 32 faces forward. A second guide roller 33 is rotatably provided on the inclined rod 32. A rear guide roller 23 is rotatably provided at the rear end of the pickling chamber 2 of the second pickling mechanism structure. It should be noted that the parts not detailed in this application are all prior arts.

[0030] In addition, a liquid outlet pipe 42 is provided on one side of the first pickling tank 4. A liquid collection tank 9 is provided in the pickling box 1. The liquid outlet pipe 42 is communicated with the liquid collection tank 9 through a connecting pipe, and a switch valve is provided on the liquid outlet pipe 42. A pick-and-place door 11 is provided on one side of the pickling box 1 along the width direction, and an observation window 21 is hinged on one side of the pickling chamber 2 along the width direction.

[0031] The working principle of this application is as follows: After the copper strip is pickled by the pickling component of the first pickling mechanism, it is then cleaned with a soldering aid solution by the pickling component of the second pickling mechanism, which extends the cleaning time and cleaning distance. Multiple pressure rollers 7 are arranged in a staggered manner along the length direction of the second pickling tank 6. When the copper strip passes through the pickling solution in the second pickling tank 6, it is wound around the multiple pressure rollers 7 in an S shape in sequence, increasing the pickling time and pickling distance of the copper strip in the second pickling tank 6 and improving the pickling effect.

[0032] Of course, the present utility model is not limited to the above-described embodiments. The following also provides several other embodiments based on the design concept of the present utility model.

[0033] For example, in other embodiments, different from the above-described embodiments, a single acid solution is contained in the pickling component of the first pickling mechanism, and a mixed acid solution is contained in the pickling component of the second pickling mechanism. The mixed acid solution includes sulfuric acid, nitric acid, and hydrofluoric acid. By mixing and cleaning with the single acid and the mixed acid, the pickling effect is improved.

[0034] It should be noted that the above embodiments are only used to illustrate the present utility model, but the present utility model is not limited to the above embodiments. Any simple modification, equivalent change, and modification made to the above embodiments based on the technical essence of the present utility model all fall within the protection scope of the present utility model.

Claims

1. A copper strip pickling device, characterized in that: The invention comprises a first pickling mechanism, the first pickling mechanism comprises a pickling box (1) and a pickling chamber (2) arranged at the upper end of the pickling box (1), a pickling assembly is arranged in the pickling chamber (2), the pickling assembly comprises a first pickling tank (4) and a second pickling tank (5) arranged in the first pickling tank (4), a collecting tank (6) is arranged at the upper end of the second pickling tank (5), and a liquid adding port (24) is arranged on the pickling chamber (2) for adding a solution to the collecting tank (6), and the solution can flow into the collecting tank through the liquid adding port (24). (6), a plurality of solution through holes (61) are provided on the collecting tank (6), through holes (25) for the copper strip to pass through are provided on both the front and rear sides of the pickling chamber (2), a first U-shaped groove (41) for the copper strip to pass through is provided on both the front and rear sides of the first pickling tank (4), a second U-shaped groove (51) for the copper strip to pass through is provided on both the front and rear sides of the second pickling tank (5), and a plurality of pressing rollers (7) are rotatably provided in the second pickling tank (5), and the plurality of pressing rollers (7) are arranged in a staggered manner up and down along the length direction of the second pickling tank (5).

2. A copper strip pickling equipment according to claim 1, characterized in that: The bottom of the first U-shaped groove (41) is higher than the bottom of the second U-shaped groove (51).

3. A copper strip pickling equipment according to claim 2, characterized in that: A second pickling mechanism is provided at the rear end of the first pickling mechanism. The second pickling mechanism has the same structure and size as the first pickling mechanism. The pickling component of the first pickling mechanism is used to hold the acid solution, and the pickling component of the second pickling mechanism is used to hold the flux solution.

4. A copper strip pickling equipment according to claim 3, characterized in that: A guide roller (8) is provided in the pickling chamber (2) of the second pickling mechanism, and the guide roller (8) is located between the through hole (25) and the first U-shaped groove (41).

5. A copper strip pickling equipment according to claim 2, characterized in that: A front guide roller (22) is provided at the front end of the pickling chamber (2) of the first pickling mechanism structure. A bracket (3) is also provided at the front end of the pickling chamber (2) of the first pickling mechanism structure. A first guide roller (31) is rotatably provided on the bracket (3). An inclined rod (32) is provided on the bracket (3) in an inclined manner from top to bottom. A second guide roller (33) is rotatably provided on the inclined rod (32). A rear guide roller (23) is rotatably provided at the rear end of the pickling chamber (2) of the second pickling mechanism.

6. A copper strip pickling equipment according to claim 2, characterized in that: A liquid outlet pipe (42) is provided on one side of the first pickling tank (4), a liquid collecting tank (9) is provided in the pickling tank (1), the liquid outlet pipe (42) is connected to the liquid collecting tank (9) via a connecting pipe, and a switch valve is provided on the liquid outlet pipe (42).

7. A copper strip pickling equipment according to claim 2, characterized in that: A pickling box (1) is provided with a loading and unloading door (11) on one side along the width direction, and an observation window (21) is hingedly provided on one side along the width direction of the pickling chamber (2).

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