Pickling equipment for tin-plated plate

By designing the cleaning sponge and extrusion plate structure in the pickling equipment, the problem of pickling solution adhesion after pickling tinplate was solved, achieving effective cleaning of pickling solution and corrosion prevention of the equipment.

CN224092015UActive Publication Date: 2026-04-07JIANGYIN KEMAO METAL PROD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-25
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

Existing tinplate pickling equipment tends to leave pickling solution adhering to the surface of the tinplate after pickling, causing the pickling solution to drip, affecting worker health and causing equipment corrosion, thus reducing the service life of the equipment.

Method used

An acid washing device was designed, comprising an acid washing tank, a collection tank, a pump body, a nozzle, a cleaning sponge, and a fan. The cleaning sponge is rotated by a motor-driven shaft to absorb the acid washing liquid, and the acid washing liquid is squeezed out by an extrusion plate. The sponge's fit is adjusted by a threaded rod, and impurities are filtered out by a filter screen.

Benefits of technology

It effectively cleans pickling solution and impurities from the surface of tinplate, preventing pickling solution from dripping and corroding equipment, thus improving equipment lifespan and worker health and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The pickling equipment comprises a pickling box, a supporting rod is fixedly connected to the upper surface of a collecting box, a fan is fixedly connected to the right surface of the supporting rod, a sliding rail is fixedly connected to the left surface of the supporting rod, a cross-shaped sliding groove is formed in the sliding rail, and the cross-shaped sliding groove is fixedly connected to the right surface of the supporting rod. A first sliding block is slidably connected to the inner surface of the cross-shaped sliding groove, second sliding blocks are fixedly connected to the left surface and the right surface of the first sliding block, a threaded rod is rotatably connected to the interior of a sliding rail, and through cooperation of a motor, a rotating shaft and a cleaning sponge, impurities and pickling solution on the surface of a tin plate can be effectively cleaned; the pickling solution is prevented from dripping on other equipment to cause corrosion, the water on the surface of the tin plate adsorbed by the cleaning sponge can be effectively discharged through the arrangement of an extrusion plate, and the distance between the two sponges can be adjusted and the tightness of the sponges to be attached to the tin plate can be controlled through the cooperation of a first sliding block, a second sliding block, a sliding rail and a threaded rod.
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Description

Technical Field

[0001] This utility model relates to the field of tinplate production technology, and in particular to pickling equipment for tinplate. Background Technology

[0002] During the production of tin-plated sheets, an oxide layer forms on their surface, primarily composed of iron oxides. This oxide layer affects the quality of the tin plating because it hinders the tight bonding between the tin layer and the substrate. Therefore, acid pickling is necessary to remove surface impurities. Tin-plated sheets typically use acid pickling equipment to remove oxide scale, rust, and other impurities from the metal surface, improving the surface finish and quality, and providing favorable surface conditions for subsequent processing steps.

[0003] However, after the existing pickling equipment for tinplate pickling processes the tinplate, a large amount of pickling solution easily adheres to the surface of the tinplate. If this pickling solution falls on the ground, it is difficult to clean and affects the health of workers. If the pickling solution drips onto some equipment, it can easily cause corrosion of the equipment, affecting its normal use and reducing its service life. Utility Model Content

[0004] The purpose of this invention is to provide a pickling device for tin-plated sheets, which solves the problem that the pickling solution on the surface of existing tin-plated sheets is not cleaned after pickling.

[0005] To achieve the above objectives, a pickling device for tin-plated sheets is provided, including a pickling tank with a through groove inside. A unwinding roller is fixedly connected to the left surface of the pickling tank, a collection box is fixedly connected to the right surface of the pickling tank, a take-up roller is fixedly connected to the right surface of the collection box, a pump body is fixedly connected to both the front and rear surfaces of the pickling tank, a first connecting pipe is fixedly connected to the input end of the pump body, a second connecting pipe is fixedly connected to the output end of the pump body, and a liquid supply pipe is fixedly connected to the inner surface of the pickling tank, with a nozzle installed on the liquid supply pipe.

[0006] A support rod is fixedly connected to the upper surface of the collection box. A fan is fixedly connected to the right surface of the support rod, and a slide rail is fixedly connected to the left surface of the support rod. A cross groove is provided inside the slide rail, and a first slider is slidably connected to the inner surface of the cross groove. A second slider is fixedly connected to both the left and right surfaces of the first slider. A threaded rod is rotatably connected inside the slide rail, and a knob is fixedly connected to the front surface of the threaded rod. A guide rod is fixedly connected to the inner surface of the cross groove. A motor is fixedly connected to the upper surface of the first slider, and a rotating shaft is fixedly connected to the output end of the motor. A cleaning sponge is fixedly connected to the outer surface of the rotating shaft. A connecting block is fixedly connected to the side surface of the first slider, and a squeezing plate is fixedly connected to the lower surface of the connecting block.

[0007] One of the second sliders is threadedly connected to the threaded rod, and the other second slider is slidably connected to the guide rod.

[0008] The upper surface of the extrusion plate is slidably connected to the slide rail, and the outer surface of the cleaning sponge is in contact with the extrusion plate.

[0009] The inner surface of the cross groove is slidably connected to the second slider, and the interior of the first slider is rotatably connected to the rotating shaft.

[0010] A baffle is fixedly connected to the inner surface of the collection box, and a filter screen is fixedly connected to the upper surface of the baffle.

[0011] The inner surface of the pickling tank is fixedly connected to the first connecting pipe, and the inside of the liquid supply pipe is fixedly connected to the second connecting pipe.

[0012] The number of nozzles is multiple and they are distributed in a linear array.

[0013] The number of fans is two and they are arranged in a front-to-back pattern, and the number of the first sliders is two and they are also arranged in a front-to-back pattern.

[0014] The beneficial effects of this patent are:

[0015] By coordinating the motor, rotating shaft, and cleaning sponge, impurities and pickling solution on the surface of the tinplate can be effectively removed, preventing pickling solution from dripping onto other equipment and causing corrosion. The extrusion plate effectively removes moisture from the tinplate surface by absorbing it with the cleaning sponge. The spacing between the two sponges can be adjusted by coordinating the first slider, second slider, slide rail, and threaded rod, controlling the tightness of the sponge's fit against the tinplate. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of the pickling equipment for tin-plated plates according to this utility model.

[0017] Figure 2 This is a cross-sectional view of the overall structure of the pickling equipment for tin-plated plates according to this utility model.

[0018] Figure 3 This is a partial structural schematic diagram of the pickling equipment for tin-plated plates according to this utility model.

[0019] Figure 4 This is a diagram showing the internal structure of the slide rail in the pickling equipment for tin-plated sheets according to this utility model.

[0020] Legend:

[0021] 1. Pickling tank; 2. Through groove; 3. Unwinding roller; 4. Collection box; 5. Rewinding roller; 6. Pump body; 7. First connecting pipe; 8. Second connecting pipe; 9. Liquid supply pipe; 10. Nozzle; 11. Support rod; 12. Fan; 13. Slide rail; 14. Cross slide groove; 15. First slider; 16. Second slider; 17. Threaded rod; 18. Knob; 19. Guide rod; 20. Motor; 21. Rotating shaft; 22. Cleaning sponge; 23. Connecting block; 24. Extrusion plate; 25. Stop block; 26. Filter screen. Detailed Implementation

[0022] Reference Figure 1-4 The present invention relates to a pickling device for tin-plated plates, comprising a pickling tank 1, a through groove 2 inside the pickling tank 1, an unwinding roller 3 fixedly connected to the left surface of the pickling tank 1, a collecting box 4 fixedly connected to the right surface of the pickling tank 1, a winding roller 5 fixedly connected to the right surface of the collecting box 4, a pump body 6 fixedly connected to both the front and rear surfaces of the pickling tank 1, a first connecting pipe 7 fixedly connected to the input end of the pump body 6, the inner surface of the pickling tank 1 fixedly connected to the first connecting pipe 7, a second connecting pipe 8 fixedly connected to the output end of the pump body 6, a liquid supply pipe 9 fixedly connected to the inner surface of the pickling tank 1, the interior of the liquid supply pipe 9 fixedly connected to the second connecting pipe 8, and a nozzle 10 provided on the liquid supply pipe 9, the number of nozzles 10 being multiple and arranged in a linear array.

[0023] A support rod 11 is fixedly connected to the upper surface of the collection box 4. A fan 12 is fixedly connected to the right surface of the support rod 11. There are two fans 12, which are arranged front and back. A slide rail 13 is fixedly connected to the left surface of the support rod 11. A cross groove 14 is provided inside the slide rail 13. A first slider 15 is slidably connected to the inner surface of the cross groove 14. There are two first sliders 15, which are arranged front and back. A second slider 16 is fixedly connected to both the left and right surfaces of the first slider 15. The inner surface of the cross groove 14 is slidably connected to the second slider 16. A threaded rod 17 is rotatably connected inside the slide rail 13. A knob 18 is fixedly connected to the front surface of the threaded rod 17. A guide rod 19 is fixedly connected to the inner surface of the cross groove 14. The interior of one second slider 16 is threadedly connected to the threaded rod 17, and the interior of the other second slider 16 is slidably connected to the guide rod 19. A motor 20 is fixedly connected to the upper surface of the first slider 15. A rotating shaft 21 is fixedly connected to the output end of the motor 20. The first slider 15 is rotatably connected to the rotating shaft 21. A cleaning sponge 22 is fixedly connected to the outer surface of the rotating shaft 21. The cleaning sponge 22 is made of special polymer materials, such as polytetrafluoroethylene (PTFE), polyphenylene sulfide (PPS), and polyvinylidene fluoride (PVDF). These materials can remain stable in harsh chemical environments such as strong acids and strong alkalis, are not easily corroded or damaged, and can be in contact with various corrosive liquids for a long time without changing their performance. A connecting block 23 is fixedly connected to the side surface of the first slider 15. A pressing plate 24 is fixedly connected to the lower surface of the connecting block 23. The upper surface of the pressing plate 24 is slidably connected to the slide rail 13. The outer surface of the cleaning sponge 22 is in contact with the pressing plate 24. A stop block 25 is fixedly connected to the inner surface of the collection box 4. A filter screen 26 is fixedly connected to the upper surface of the stop block 25. After the tin-plated plate is pickled, a large number of impurities are likely to be present on the surface. The cleaning sponge 22 can easily scrape off the impurities, and the filter screen 26 can filter the impurities, preventing the impurities from mixing with the pickling solution.

[0024] Working principle: The tinplate is unwound by the unwinding roller 3 and wound up by the winding roller 5. The pickling solution inside the pickling tank 1 is drawn out by the pump body 6 and sprayed onto the tinplate from the nozzle 10 to pickle it. The motor 20 is started, which drives the rotating shaft 21 to rotate. The rotating shaft 21 drives the cleaning sponge 22 to rotate and absorb the pickling solution on the surface of the tinplate. When the absorbed cleaning sponge 22 rotates to fit against the extrusion plate 24, the pickling solution inside the cleaning sponge 22 can be effectively squeezed out and fall into the collection box 4. By rotating the threaded rod 17, the first slider 15 can be slid, which can control the two cleaning sponges 22 to move closer and further apart, thereby controlling the tightness of the cleaning sponges 22. The tinplate can be dried by the fan 12.

Claims

1. A pickling equipment for tin-plated sheets, characterized in that, The system includes a pickling tank (1), which has a through groove (2) inside. A unwinding roller (3) is fixedly connected to the left surface of the pickling tank (1). A collection box (4) is fixedly connected to the right surface of the pickling tank (1). A winding roller (5) is fixedly connected to the right surface of the collection box (4). A pump body (6) is fixedly connected to both the front and rear surfaces of the pickling tank (1). A first connecting pipe (7) is fixedly connected to the input end of the pump body (6). A second connecting pipe (8) is fixedly connected to the output end of the pump body (6). A liquid supply pipe (9) is fixedly connected to the inner surface of the pickling tank (1). A nozzle (10) is provided on the liquid supply pipe (9). A support rod (11) is fixedly connected to the upper surface of the collection box (4). A fan (12) is fixedly connected to the right surface of the support rod (11). A slide rail (13) is fixedly connected to the left surface of the support rod (11). A cross groove (14) is provided inside the slide rail (13). A first slider (15) is slidably connected to the inner surface of the cross groove (14). A second slider (16) is fixedly connected to both the left and right surfaces of the first slider (15). A threaded rod (17) is rotatably connected inside the slide rail (13). A knob (18) is fixedly connected to the front surface of the threaded rod (17), a guide rod (19) is fixedly connected to the inner surface of the cross groove (14), a motor (20) is fixedly connected to the upper surface of the first slider (15), a rotating shaft (21) is fixedly connected to the output end of the motor (20), a cleaning sponge (22) is fixedly connected to the outer surface of the rotating shaft (21), a connecting block (23) is fixedly connected to the side surface of the first slider (15), and a pressing plate (24) is fixedly connected to the lower surface of the connecting block (23).

2. The pickling equipment for tin-plated sheets according to claim 1, characterized in that, One of the second sliders (16) is threadedly connected to the threaded rod (17), and the other second slider (16) is slidably connected to the guide rod (19).

3. The pickling equipment for tin-plated sheets according to claim 1, characterized in that, The upper surface of the extrusion plate (24) is slidably connected to the slide rail (13), and the outer surface of the cleaning sponge (22) is in contact with the extrusion plate (24).

4. The pickling equipment for tin-plated sheets according to claim 1, characterized in that, The inner surface of the cross groove (14) is slidably connected to the second slider (16), and the interior of the first slider (15) is rotatably connected to the rotating shaft (21).

5. The pickling equipment for tin-plated sheets according to claim 1, characterized in that, A baffle (25) is fixedly connected to the inner surface of the collection box (4), and a filter screen (26) is fixedly connected to the upper surface of the baffle (25).

6. The pickling equipment for tin-plated sheets according to claim 1, characterized in that, The inner surface of the pickling tank (1) is fixedly connected to the first connecting pipe (7), and the interior of the liquid supply pipe (9) is fixedly connected to the second connecting pipe (8).

7. The pickling equipment for tin-plated sheets according to claim 1, characterized in that, The number of nozzles (10) is multiple and they are distributed in a linear array.

8. The pickling equipment for tin-plated sheets according to claim 1, characterized in that, The number of fans (12) is two and they are arranged in a front-to-back pattern, and the number of the first sliders (15) is two and they are arranged in a front-to-back pattern.