High-formability economical duplex stainless steel plate pickling surface treatment device

By combining pickling tank immersion with scraping, rinsing and adsorption mechanisms, the problem of incomplete removal of oxide slag during pickling of duplex stainless steel plates is solved, achieving efficient and economical oxide slag cleaning and saving equipment space and time.

CN223717790UActive Publication Date: 2025-12-26山东盛阳金属科技股份有限公司
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Patent Information

Application Number
CN202520146084.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-22
Publication Date
2025-12-26
Estimated Expiration
2035-01-22

AI Technical Summary

Technical Problem

In existing technologies, duplex stainless steel plates lack sufficient time and contact with the pickling solution during the pickling process, resulting in incomplete removal of oxide slag. Furthermore, traditional methods require a large amount of space and prolong the processing time.

Method used

The system employs an acid pickling tank immersion combined with a scraping mechanism, a rinsing mechanism, and an adsorption mechanism. Oxidation slag is scraped off by scrapers, rinsed by nozzles, and adsorbed by adsorption rollers, achieving efficient cleaning of the oxidation slag.

Benefits of technology

This technology enables efficient pickling of duplex stainless steel plates in a limited space, reducing oxide slag adhesion, improving pickling efficiency, and reducing equipment space occupation and processing time.

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Abstract

The utility model discloses a high formability economical duplex stainless steel plate pickling surface treatment device which comprises a pickling tank, a plurality of roll shafts and scraping mechanisms are arranged in the pickling tank, the roll shafts are used for changing the trend of a stainless steel plate, and the high formability economical duplex stainless steel plate pickling surface treatment device is characterized in that a pair of scraping mechanisms are symmetrically arranged on the upper side and the lower side of the stainless steel plate; the scraping mechanism comprises a fixing rod and a scraping plate, the scraping plate is hollow, a spring and a push plate are arranged in the scraping plate, the spring abuts against the push plate, a plurality of guide shafts are arranged on one side of the push plate and slidably connected with the side wall of the scraping plate, and one end of each guide shaft is fixedly connected with the fixing rod. According to the pickling device, the stainless steel plate can obtain enough time and sufficient pickling solution to fully react and eliminate oxidizing slag through a method of soaking and conveying the stainless steel plate in the pickling tank, and furthermore, oxide skin and the oxidizing slag can be cleaned more efficiently through mutual cooperation of the scraping mechanism, the flushing mechanism and the adsorption mechanism.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to stainless steel plate pickling technical field, especially in a kind of high-forming economic duplex stainless steel plate material pickling surface treatment device. BACKGROUND

[0002] Stainless steel plate pickling is the process route for removing oxide slag on stainless steel plate, in most cases, stainless steel plate is transmitted into pickling tank, and oxide slag is removed by immersion reaction of pickling solution in pickling tank, so the length of pickling tank has certain process requirements;The method of pickling solution immersion transmission stainless steel plate can ensure that stainless steel plate can be in the state of pickling solution immersion reaction at any time, so that stainless steel plate has sufficient time and sufficient pickling solution for reaction;

[0003] After searching, the prior art with announcement number CN217378038U is an automatic spraying pickling device for stainless steel plate production, the spraying device is set, the pickling solution and the cleaning liquid can be uniformly sprayed on the surface of the stainless steel plate, and the function of cleaning the residual pickling solution after pickling passivation of the stainless steel plate is played, the wiping structure is set, the residual cleaning liquid on the stainless steel plate can be wiped off, the processing of the stainless steel plate is facilitated, and the residual cleaning liquid is squeezed out and discharged, so as to facilitate the continuous work of the device;

[0004] Firstly, in the present scheme, the stainless steel plate is pickled by spraying pickling solution, due to the flatness of the stainless steel plate, the pickling solution will flow away quickly after spraying, secondly, the stainless steel plate is continuously transmitted, so that the stainless steel plate lacks sufficient time and sufficient pickling solution for full reaction, and the more objective method to solve the above problem is to lengthen the transmission distance, increase the number of spraying devices and reduce the transmission speed, but this method will occupy a large amount of factory space and greatly increase the processing time of stainless steel plate pickling process section;

[0005] The prior art with announcement number CN219136934U also has the same problem, the above process and application effect will also appear in duplex stainless steel plate production and pickling process, and duplex stainless steel has good mechanical properties, toughness and corrosion resistance;

[0006] Therefore, the applicant provides a pickling technical scheme for duplex stainless steel plate. SUMMARY

[0007] The utility model discloses a high forming economic duplex stainless steel plate pickling surface treatment device can make the stainless steel plate obtain sufficient time and sufficient pickling liquid through the method that the stainless steel plate is soaked and is transported in the pickling pool and carry out sufficient reaction and eliminate oxidized slag, further, still can through the cooperation of scraping mechanism, flushing mechanism, adsorption mechanism more efficiently clean the oxidized skin and oxidized slag.

[0008] In order to realize the above-mentioned purpose, the utility model adopts the technical scheme of:

[0009] A high forming economic duplex stainless steel plate pickling surface treatment device, including pickling pool, be equipped with roller and scraping mechanism in pickling pool, the roller is equipped with a plurality of and is used to change the trend of stainless steel plate, and the scraping mechanism is equipped with a pair and is symmetrically arranged on the upper and lower sides of stainless steel plate.

[0010] The scraping mechanism includes fixed link, scraper, the inside of scraper is hollow, and the inside of scraper is equipped with spring and push plate, and spring top push plate, and the side of push plate is equipped with a plurality of guide shafts, and guide shaft slidingly connects the side wall of scraper, and one end of guide shaft is fixedly connected with fixed link, and the scraping mechanism is set in the pickling pool.

[0011] Further, the fixed link in the scraping mechanism arranged below the stainless steel plate is fixedly connected with the side wall of the pickling pool at both ends; the oxidized slag scraped by the scraper can automatically sink into the bottom of the pool.

[0012] Further, the fixed link in the scraping mechanism arranged above the stainless steel plate is provided with a rotating shaft at both ends and is rotatably connected with the side wall of the pickling pool through the rotating shaft; a support rod is arranged on the fixed link, an adjusting shaft is arranged on the support rod, a connecting rod is rotatably connected with the adjusting shaft, a crankshaft is rotatably connected with the adjusting shaft at one end, and the crankshaft is rotatably connected with the side wall of the pickling pool at both ends; a motor is connected with the crankshaft at one end through a connecting shaft, and the motor is fixed on the outer wall of the pickling pool through a motor base.

[0013] Further, a support arm is arranged on the fixed link, a first spray pipe is arranged on the support arm, a soft connecting pipe is arranged at one end of the first spray pipe, a first water pump is arranged at one end of the connecting pipe, and the first water pump is fixed on the side wall of the pickling pool; the first water pump is arranged close to the inlet end of the stainless steel plate in the pickling pool and away from the scraping mechanism.

[0014] Further, a first spray head is arranged on the first spray pipe in a fan shape, and a second spray head is arranged symmetrically on both sides of the first spray head and has opposite flushing directions.

[0015] A limiting plate is arranged on the fixed link and arranged on both sides of the scraper to assist in stabilizing the scraper.

[0016] The scraping mechanism is provided with a flushing mechanism on one side, the flushing mechanism comprising a second water pump, a first supporting plate, a second spray pipe and a three-way pipe; the first supporting plate is provided with a pair of plates and is symmetrically arranged on both sides of the stainless steel plate, the two ends of the first supporting plate are fixedly connected to the side wall of the pickling tank, and the two ends of the second spray pipe are fixed to the first supporting plate through the ear plates; the three-way pipe is connected to the end of the second spray pipe for water inlet; and the second water pump is fixed to the side wall of the pickling tank and is connected to the three-way pipe through a connecting pipe for supplying pickling liquid.

[0017] The flushing mechanism is provided with an adsorption mechanism above; the adsorption mechanism comprises a second supporting plate fixedly connected to the side wall of the pickling tank, and an adsorption roller rotatably connected to the second supporting plate; felt cloth and velvet cloth are arranged on the adsorption roller; the adsorption roller presses the surface of the stainless steel plate to adsorb the pickling liquid; a top plate is arranged on the second supporting plate; one end of the top plate supports the felt cloth and the velvet cloth on the surface layer of the adsorption roller; and the adsorption roller can be scraped of the pickling liquid on the felt cloth and the velvet cloth when rotating.

[0018] The utility model has the advantages that compared with the prior art, the utility model has the beneficial effects of:

[0019] 1) The stainless steel plate enters from one end of the pickling tank, and then the roller shaft changes the direction of transmission of the stainless steel plate to make the stainless steel plate enter the pickling liquid; the stainless steel plate is first subjected to pickling and transmission for a distance, and then the surface layer of the stainless steel plate is scraped by the scraping mechanism; therefore, the stainless steel plate is subjected to pickling for a distance before scraping, which can eliminate part of the oxidation slag and reduce the adhesion of the oxidation slag, thereby being beneficial to the subsequent scraping effect; further, the first water pump is arranged at the inlet end of the pickling tank away from the scraping mechanism, and the pickling liquid sucked by the first water pump contains less oxidation slag;

[0020] 2) When the scraping mechanism scrapes the oxidation slag, the scraper plate always presses the surface layer of the stainless steel plate under the pushing force of the spring, and can adapt to the scraping work of stainless steel plates of different thicknesses; further, the scraping mechanism arranged above the stainless steel plate rotates the side wall of the pickling tank through the rotating shaft, so that the crankshaft rotates under the driving of the motor, and then the crankshaft drives the fixed rod and the scraper plate to rotate around the rotating shaft, finally realizing the effect of reciprocating swing of the scraper plate; when the scraper plate continuously scrapes the stainless steel plate, the scraped oxidation slag will accumulate on one side of the scraper plate, and then there is the disadvantage of mutual friction and scratching of the surface of the stainless steel plate, therefore, the accumulated oxidation slag is intermittently unloaded during the reciprocating swing of the scraper plate, so that the oxidation slag is relatively dispersed, and then the scraper plate is reset to push, so that the oxidation slag is further dispersed under the pushing force of the pickling liquid in the direction opposite to the advancing direction of the stainless steel plate; meanwhile, the second spray head can also flush the oxidation slag to both sides during the swing gap of the scraper plate, wherein the first spray head can flush and disperse the oxidation slag in the middle to cooperate with the second spray head; the flushing distance of the second spray head to both sides is shorter than that of all the second spray heads in the same direction, which is more labor-saving and faster;

[0021] 3) After the stainless steel plate is continuously transported and removed from the pickling solution in the tank, it is rinsed again by the rinsing mechanism to reduce the adhesion of oxide slag. Finally, it passes through the adsorption mechanism to adsorb the pickling solution on the stainless steel plate to reduce the cleaning work of the subsequent pickling solution. The adsorption roller continuously rotates by pushing the stainless steel plate during the stainless steel plate transport to achieve the adsorption effect. Furthermore, the top plate presses down to scrape off the pickling solution on the adsorption roller, achieving the effect of squeezing and removing the liquid once per revolution of the adsorption roller. Attached Figure Description

[0022] Appendix Figure 1 This is a schematic diagram of the structure of a highly formable and economical pickling surface treatment device for duplex stainless steel sheets according to this utility model.

[0023] Appendix Figure 2 This is a schematic diagram of the internal structure of the pickling tank. Figure 1 ;

[0024] Appendix Figure 3 This is a schematic diagram of the internal structure of the pickling tank. Figure 2 ;

[0025] Appendix Figure 4 This is a schematic diagram of the adsorption mechanism;

[0026] Appendix Figure 5 This is a schematic diagram of the rinsing mechanism;

[0027] Appendix Figure 6 This is a schematic diagram of the scraping mechanism;

[0028] Appendix Figure 7 This is a schematic diagram of the internal structure of the scraper in the scraping mechanism;

[0029] In the diagram: 1. Pickling tank; 11. Roller shaft; 2. Scraping mechanism; 21. Fixing rod; 211. Limiting plate; 212. Rotating shaft; 213. Support rod; 22. Scraper; 23. Push plate; 231. Guide shaft; 24. Spring; 25. Connecting rod; 26. Adjusting shaft; 27. Support arm; 28. First nozzle; 2801. First nozzle; 2802. Second nozzle; 281. Connecting pipe; 282. First water pump; 29. ​​Crankshaft; 291. Motor; 3. Flushing mechanism; 31. Second water pump; 32. First support plate; 33. Second nozzle; 34. T-pipe; 4. Adsorption mechanism; 41. Second support plate; 42. Adsorption roller; 43. Top plate; 5. Stainless steel plate. Detailed Implementation

[0030] To facilitate understanding by those skilled in the art, the following is a detailed explanation in conjunction with the appendix. Figures 1-7 The technical solution of this utility model will be further described in detail below.

[0031] The utility model provides an economic duplex stainless steel plate pickling surface treatment device of high formability, including pickling pool 1, be equipped with roller shaft 11 and scraping mechanism 2 in pickling pool 1, roller shaft 11 is equipped with a plurality of and is used to change the direction of stainless steel plate 5, and scraping mechanism 2 is equipped with a pair of and is symmetrically arranged on the upper and lower sides of stainless steel plate 5.

[0032] The scraping mechanism 2 includes a fixed rod 21 and a scraper 22, the scraper 22 is hollow inside, and the scraper 22 is provided with a spring 24 and a push plate 23 inside, the spring 24 pushes the push plate 23, one side of the push plate 23 is provided with a plurality of guide shafts 231, the guide shafts 231 are slidingly connected to the side wall of the scraper 22, and one end of the guide shafts 231 is fixedly connected to the fixed rod 21; the spring 24 pushes the scraper 22 to scrape the oxide residue attached to the surface of the stainless steel plate 5.

[0033] Further, the fixed rod 21 of the scraping mechanism 2 arranged below the stainless steel plate 5 is fixedly connected to the side wall of the pickling pool 1 at both ends; the oxide residue scraped by the scraper 22 can automatically sink to the bottom of the pool.

[0034] Further, the fixed rod 21 of the scraping mechanism 2 arranged above the stainless steel plate 5 is provided with a rotating shaft 212 and is rotatably connected to the side wall of the pickling pool 1 through the rotating shaft 212; a support rod 213 is arranged on the fixed rod 21, an adjusting shaft 26 is arranged on the support rod 213, a connecting rod 25 is rotatably connected to the adjusting shaft 26, one end of the connecting rod 25 is rotatably connected to a crankshaft 29, both ends of the crankshaft 29 are rotatably connected to the side wall of the pickling pool 1, one end of the crankshaft 29 is rotatably connected to a motor 291 through a connecting shaft, and the motor 291 is fixed to the outer wall of the pickling pool 1 through a motor base.

[0035] Further, a support arm 27 is arranged on the fixed rod 21, a first spray pipe 28 is arranged on the support arm 27, a soft connecting pipe 281 is arranged at one end of the first spray pipe 28, a first water pump 282 is arranged at one end of the connecting pipe 281, and the first water pump 282 is fixed to the side wall of the pickling pool 1; the first water pump 282 is arranged close to the inlet end of the stainless steel plate 5 in the pickling pool 1 and away from the scraping mechanism 2.

[0036] Further, a first spray head 2801 in the shape of a fan is arranged on the first spray pipe 28, and a second spray head 2802 is arranged symmetrically on both sides of the first spray head 2801 and has opposite washing directions.

[0037] A limiting plate 211 is arranged on the fixed rod 21 and arranged on both sides of the scraper 22 to assist in stabilizing the scraper 22.

[0038] The scraping mechanism 2 is provided with a flushing mechanism 3 on one side, the flushing mechanism 3 comprises a second water pump 31, a first supporting plate 32, a second spray pipe 33 and a tee pipe 34; the first supporting plate 32 is provided with a pair of and is respectively symmetrically arranged on both sides of the stainless steel plate 5, the first supporting plate 32 is fixedly connected to the side wall of the pickling tank 1 at both ends, and the second spray pipe 33 is fixed on the first supporting plate 32 at both ends through an ear plate; the tee pipe 34 is communicated with the end of the second spray pipe 33 for water inlet; and the second water pump 31 is fixed on the side wall of the pickling tank 1 and is communicated with the tee pipe 34 through a connecting pipe for pickling liquid supply.

[0039] The flushing mechanism 3 is provided with an adsorption mechanism 4 above; the adsorption mechanism 4 comprises a second supporting plate 41 fixedly connected to the side wall of the pickling tank 1, a rotatingly connected adsorption roller 42 arranged on the second supporting plate 41, felt cloth and velvet cloth arranged on the adsorption roller 42, the adsorption roller 42 being used to adsorb pickling liquid on the surface of the stainless steel plate 5 by pressing, a top plate 43 arranged on the second supporting plate 41, the top plate 43 being used to support the felt cloth and the velvet cloth on the surface layer of the adsorption roller 42, and the adsorption roller 42 being able to be scraped by the top plate 43 to remove pickling liquid on the felt cloth and the velvet cloth when rotating.

[0040] In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two;The terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0041] As described above, including but not limited to electronic or electrical components such as motors, are prior art components, which are obtained by private customization or purchase, and the electrical connection between each component is a conventional circuit connection or electrical connection in the prior art, which is not within the protection scope of the present application;

[0042] The above content is only an example and description of the structure of the utility model, and those skilled in the art can make various modifications or supplements to the described specific embodiments or use similar ways to replace them, as long as they do not deviate from the structure of the utility model or exceed the scope defined in the present claims, which shall be within the protection scope of the utility model.

Claims

1. A pickling surface treatment device for a high-formability economic duplex stainless steel sheet, comprising a pickling tank, a roller shaft and a scraping mechanism provided in the pickling tank, the roller shaft being provided with a plurality of rollers for changing the direction of the stainless steel sheet, characterized in that The scraping mechanism is provided with a pair of symmetrically arranged upper and lower sides on the stainless steel plate; the scraping mechanism comprises a fixed rod and a scraper, the scraper is hollow inside, and the scraper is provided with a spring and a push plate inside, the spring pushes the push plate, one side of the push plate is provided with a plurality of guide shafts, the guide shafts are slidingly connected to the side wall of the scraper, and one end of the guide shafts is fixedly connected to the fixed rod; the spring pushes the scraper to scrape the adhered oxidation slag on the surface of the stainless steel plate; The fixed rod of the scraping mechanism arranged below the stainless steel plate is fixedly connected to the side wall of the pickling tank at both ends; the oxidation slag scraped by the scraper can automatically sink to the bottom of the tank; the fixed rod of the scraping mechanism arranged above the stainless steel plate is provided with a rotating shaft at both ends and is rotatably connected to the side wall of the pickling tank through the rotating shaft; a support rod is arranged on the fixed rod, an adjusting shaft is arranged on the support rod, a connecting rod is rotatably connected to the adjusting shaft, a crankshaft is rotatably connected to one end of the connecting rod, the crankshaft is rotatably connected to the side wall of the pickling tank at both ends, and a motor is connected to one end of the crankshaft through a connecting shaft, and the motor is fixed to the outer wall of the pickling tank through a motor base; A support arm is arranged on the fixed rod, a first spray pipe is arranged on the support arm, a soft connecting pipe is arranged at one end of the first spray pipe, a first water pump is arranged at one end of the connecting pipe, and the first water pump is fixed to the side wall of the pickling tank; the first water pump is arranged fixedly close to the inlet end of the stainless steel plate in the pickling tank and away from the scraping mechanism.

2. The pickling surface treatment device for a high-formability economic duplex stainless steel sheet according to claim 1, characterized by A first spray head for fan-shaped flushing is arranged on the first spray pipe, and second spray heads are symmetrically arranged on both sides of the first spray head and have opposite flushing directions.

3. The pickling surface treatment device for a high-formability economic duplex stainless steel sheet according to claim 1, characterized by A flushing mechanism is arranged on one side of the scraping mechanism, the flushing mechanism comprises a second water pump, a first support plate, a second spray pipe and a three-way pipe; a pair of first support plates are symmetrically arranged on both sides of the stainless steel plate, and the first support plates are fixedly connected to the side wall of the pickling tank at both ends; the second spray pipe is fixed to the first support plate through an ear plate at both ends; the three-way pipe is connected to the end of the second spray pipe for water inlet; and the second water pump is fixed to the side wall of the pickling tank and connected to the three-way pipe through a connecting pipe for supplying pickling liquid.

4. The pickling surface treatment device for a high-formability economic duplex stainless steel sheet according to claim 1, characterized in that An adsorption mechanism is arranged above the flushing mechanism; the adsorption mechanism comprises a second support plate fixedly connected to the side wall of the pickling tank, and an adsorption roller rotatably connected to the second support plate; felt and velvet are arranged on the adsorption roller; the adsorption roller adsorbs pickling liquid on the surface of the stainless steel plate; a top plate is arranged on the second support plate; the top plate supports the felt and velvet on the surface layer of the adsorption roller; and the adsorption roller can be scraped by the top plate when rotating.

Citation Information

Patent Citations

  • Automatic spraying and pickling device for stainless steel plate production

    CN217378038U

  • Stainless steel pickling treatment device

    CN219136934U