Pickling device for steel coil rust removal

Abstract

The utility model discloses a pickling device for steel coil rust removal, which comprises a pickling tank and a splash guard fixedly arranged at the top end of the pickling tank, a steel coil sheet inlet is fixedly arranged at one end of the pickling tank, and a steel coil sheet outlet is fixedly arranged at the other end of the pickling tank. Guiding mechanisms used for guiding steel coils are fixedly installed on the inner sides of the steel coil sheet inlet and the steel coil sheet outlet correspondingly, an upper traction grinding brush mechanism used for traction friction of the steel coils is fixedly installed at the top end of the inner wall of the splash guard, and lower traction grinding brush mechanisms used for immersion cleaning of the steel coils are fixedly installed on the two sides of the bottom of the inner wall of the pickling pool correspondingly. According to the pickling device for rust removal of the steel coil, the upper traction polish-brush mechanism and the lower traction polish-brush mechanism are installed on the upper side and the lower side of the pickling pool respectively, after the steel coil is horizontally dragged to pass through the polish-brush mechanisms, the steel coil can be automatically bent and immersed in acid liquor, and in the immersion cleaning process, the upper surface and the lower surface of the steel coil can be continuously rubbed, so that the rust removal efficiency of the steel coil is improved. Therefore, the pickling efficiency of the steel coil can be obviously improved, the operation is simpler, and the pickling difficulty is lower.

Description

Technical Field

[0001] The utility model relates to the technical field of steel coil rust removal, in particular to a pickling device for steel coil rust removal. Background Art

[0002] Steel coil is a roll material formed by hot pressing and cold pressing of steel. Since the surface of steel coil will rust due to oxidation during storage, in order to restore the brightness of the steel coil, a pickling device is often used to remove the rust on the surface of the steel coil through the corrosion of acid. The currently commonly used steel coil pickling device is mainly a pickling tank. By installing guide rollers in the pickling tank, the steel coil sheets are immersed in the pickling tank at a uniform speed, thereby achieving pickling and rust removal of the steel coil. For example, a cold-rolled steel coil pickling treatment device with application number CN202122166969.4 includes a pickling box, a partition, a heating plate and a thermostat. A partition is provided in the pickling box, a heating chamber is provided on one side of the partition, and a pickling chamber is provided on the other side of the partition; the above common types of steel coil pickling devices have the following shortcomings in actual applications:

[0003] The steel coil is brought into contact with the acid solution by immersion, and the pickling rate is slow. In addition, since the steel coil needs to be bent and enter the bottom of the pickling tank during pickling, the steel coil is heavy and difficult to thread and wind. Utility Model Content

[0004] The utility model aims to provide a pickling device for steel coil rust removal, so as to solve the problems of great pickling difficulty and low efficiency of the existing steel coil pickling device proposed in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pickling device for rust removal of steel coils, comprising a pickling tank and a splash shield fixedly arranged at the top of the pickling tank, a steel coil inlet fixedly arranged at one end of the pickling tank, a steel coil outlet fixedly arranged at the other end of the pickling tank, guide mechanisms for guiding the steel coils are fixedly installed on the inner sides of the steel coil inlet and the steel coil outlet, an upper traction and grinding brush mechanism for pulling and rubbing the steel coils is fixedly installed on the top of the inner wall of the splash shield, lower traction and grinding brush mechanisms for immersing the steel coils are fixedly installed on both sides of the bottom of the inner wall of the pickling tank, a waste discharge assembly is fixedly installed in the middle of the bottom end of the pickling tank, and support seats are fixedly installed on both sides of the bottom end of the pickling tank.

[0006] Preferably, the guide mechanism includes a guide bracket and a guide roller rotatably arranged on the inner side of the guide bracket; the steel coil runs smoothly and is not easily scratched or damaged.

[0007] Preferably, a switch plate is fixedly mounted on the surface of the pickling tank, and a power switch is fixedly mounted on the surface of the switch plate, which is convenient, safe and reliable to operate.

[0008] Preferably, the upper pulling brush mechanism includes a brush seat and a brush rack fixedly arranged at the bottom end of the brush seat, an upper brush roller is arranged on the inner side of the brush rack, a lifting frame is slidably arranged on the outer side of the brush seat, pulling frames are fixedly arranged on both sides of the bottom end of the lifting frame, guide rollers are rotatably arranged on the inner side of the pulling frame, first electrically-controlled hydraulic cylinders are fixedly installed on both sides of the top of the splash shield, the bottom ends of the two first electrically-controlled hydraulic cylinders are fixedly arranged on the lifting frame, and the two first electrically-controlled hydraulic cylinders are electrically connected to an external power supply through a power switch; they can be automatically pulled to make the steel coil bend and run in the pickling tank, the pickling efficiency is high, and the management is convenient.

[0009] Preferably, the lower pulling and grinding brush mechanism includes a U-shaped frame and a pulling and immersion frame slidably arranged on the inner side of the U-shaped frame, a pulling and immersion roller is rotatably arranged on the inner side of the pulling and immersion frame, a second electrically-controlled hydraulic cylinder is fixedly installed on the bottom end of the pickling tank, the telescopic end of the second electrically-controlled hydraulic cylinder is fixedly arranged on the pulling and immersion frame, and the second electrically-controlled hydraulic cylinder is electrically connected to an external power supply through an electrically-controlled switch; the immersion and immersion are smooth and the pickling efficiency is high.

[0010] Preferably, extension frames are fixedly provided at both ends of the U-shaped frame, and a lower grinding brush roller is provided between the two extension frames; during the immersion process, the lower surface of the steel coil can be rubbed, thereby improving the rust removal efficiency and effect.

[0011] Preferably, a pickling liquid filling pipe is fixedly installed on one side of the front of the pickling tank, which provides convenience for adding the pickling liquid.

[0012] Preferably, the waste discharge assembly includes a drain pipe and a drain valve fixedly installed on the drain pipe; this facilitates the discharge of waste water after pickling and facilitates cleaning and maintenance.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The steel coil rust removal and pickling device is respectively equipped with an upper pulling and grinding brush mechanism and a lower pulling and grinding brush mechanism on the upper and lower sides of the pickling tank. After the steel coil is horizontally pulled through the grinding brush mechanism, the steel coil can be automatically bent and immersed in the acid solution. During the immersion process, the upper and lower surfaces of the steel coil can be continuously rubbed, thereby significantly improving the pickling efficiency of the steel coil, making the operation simpler, the pickling difficulty less, and labor-saving and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the steel coil pickling device of the utility model;

[0016] Figure 2 It is a front cross-sectional view of the initial state of the steel coil pickling device of the utility model;

[0017] Figure 3 It is a front cross-sectional view of the pickling state of the steel coil pickling device of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the upper traction brush mechanism of the utility model;

[0019] Figure 5 It is a structural schematic diagram of the lower traction brush mechanism of the utility model.

[0020] In the figure: 1. pickling tank; 2. splash shield; 3. upper pulling brush mechanism; 31. brush seat; 32. lifting frame; 33. first electrically controlled hydraulic cylinder; 34. pulling frame; 35. guide roller; 36. brush frame; 37. upper brush roller; 4. switch plate; 5. support seat; 6. lower pulling brush mechanism; 61. U-shaped frame; 62. pulling and dipping frame; 63. pulling and dipping roller; 64. second electrically controlled hydraulic cylinder; 65. extension frame; 66. lower brush roller; 7. drain pipe; 8. drain valve; 9. pickling liquid filling pipe; 10. steel coil outlet; 11. guide bracket; 12. guide roller; 13. steel coil inlet. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0022] See also Figure 1-5 The utility model provides a pickling device for rust removal of steel coils, comprising a pickling tank 1 and a splash shield 2 fixedly arranged at the top of the pickling tank 1, a steel coil inlet 13 fixedly arranged at one end of the pickling tank 1, a steel coil outlet 10 fixedly arranged at the other end of the pickling tank 1, a guide mechanism for guiding the steel coil is fixedly installed on the inner sides of the steel coil inlet 13 and the steel coil outlet 10, an upper traction and grinding brush mechanism 3 for pulling and rubbing the steel coil is fixedly installed at the top of the inner wall of the splash shield 2, lower traction and grinding brush mechanisms 6 for immersing the steel coil are fixedly installed on both sides of the bottom of the inner wall of the pickling tank 1, a waste discharge assembly is fixedly installed in the middle of the bottom end of the pickling tank 1, a support seat 5 is fixedly arranged on both sides of the bottom end of the pickling tank 1, a switch plate 4 is fixedly installed on the surface of the pickling tank 1, and a power switch is fixedly installed on the surface of the switch plate 4;

[0023] When in use, the steel coil to be pickled is set on the unwinder, and a pulling machine is used to extend from the steel coil outlet 10 and extend from the steel coil inlet 13, and the end of the steel coil is clamped and dragged to make the steel coil enter the pickling tank 1 from the steel coil inlet 13, pass through the lower left pulling and grinding brush mechanism 6, the upper pulling and grinding brush mechanism 3 and the lower right pulling and grinding brush mechanism 6 in turn, and be pulled out from the steel coil outlet 10 and wound on the winder. During pickling, the winder is used for pulling, so that the steel coil continues to enter the pickling tank 1 for pickling, and the pickling efficiency is high.

[0024] See also Figure 1 , Figure 2 and Figure 3, further, the guide mechanism includes a guide bracket 11 and a guide roller 12 rotatably arranged inside the guide bracket 11;

[0025] When in use, the steel coil to be pickled enters the pickling tank 1 from the steel coil sheet inlet 13, passes through the guide roller 12 and is immersed in the pickling solution, and finally is guided by the guide roller 12 and discharged from the steel coil sheet outlet 10.

[0026] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 Further, the upper pulling brush mechanism 3 includes a brush seat 31 and a brush frame 36 fixedly arranged at the bottom end of the brush seat 31, an upper brush roller 37 is arranged on the inner side of the brush frame 36, a lifting frame 32 is slidably arranged on the outer side of the brush seat 31, pulling frames 34 are fixedly arranged on both sides of the bottom end of the lifting frame 32, and a guide roller 35 is rotatably arranged on the inner side of the pulling frame 34, and first electrically controlled hydraulic cylinders 33 are fixedly installed on both sides of the top of the splash shield 2, and the bottom ends of the two first electrically controlled hydraulic cylinders 33 are fixedly arranged on the lifting frame 32, and the two first electrically controlled hydraulic cylinders 33 are electrically connected to the external power supply through the power switch;

[0027] During use, after the steel coil to be pickled is threaded, the first electrically controlled hydraulic cylinder 33 is controlled to retract through the power switch, pulling the lifting frame 32 to slide upward on the brush seat 31. At this time, under the traction of the guide roller 35, the upper surface of the steel coil will contact the upper brush roller 37. The soaked steel coil is rubbed by the upper brush roller 37, thereby accelerating the removal of rust on the upper surface of the steel coil.

[0028] See also Figure 1 , Figure 2 , Figure 3 and Figure 5 Further, the lower pulling brush mechanism 6 includes a U-shaped frame 61 and a pulling and dipping frame 62 slidably arranged on the inner side of the U-shaped frame 61, a pulling and dipping roller 63 is rotatably arranged on the inner side of the pulling and dipping frame 62, a second electric-controlled hydraulic cylinder 64 is fixedly installed at the bottom end of the pickling tank 1, a telescopic end of the second electric-controlled hydraulic cylinder 64 is fixedly arranged on the pulling and dipping frame 62, the second electric-controlled hydraulic cylinder 64 is electrically connected to the external power supply through an electric control switch, and an extension frame 65 is fixedly arranged at both ends of the U-shaped frame 61, and a lower grinding brush roller 66 is arranged between the two extension frames 65;

[0029] During use, after the steel coil to be pickled is threaded, the power switch is used to control the second electric-controlled hydraulic cylinder 64 to contract, and the pulling and immersing frame 62 on the U-shaped frame 61 is pulled downward, thereby pulling the steel coil through the pulling and immersing roller 63, pressing the steel coil into the pickling liquid, and realizing the immersion of the steel coil. During the movement, the lower surface of the steel coil will contact and rub against the lower grinding brush roller 66, thereby improving the rust removal efficiency of the lower surface of the steel coil during the immersion process.

[0030] See also Figure 1 , Figure 2 and Figure 3 Furthermore, a pickling liquid filling pipe 9 is fixedly installed on one side of the front of the pickling tank 1, and the waste discharge assembly includes a drain pipe 7 and a drain valve 8 fixedly installed on the drain pipe 7;

[0031] When in use, before pickling, pickling liquid can be added to the pickling tank 1 through the pickling liquid filling pipe 9. The liquid level of the pickling liquid should not exceed the height of the steel coil outlet 10. After the pickling is completed, the drain valve 8 can be opened to discharge the waste water after pickling through the drain pipe 7 for easy management.

[0032] When the embodiment of the present application is in use: in the initial state, the height of the drawing and dipping roller 63 on the lower drawing and grinding brush mechanism 6 is higher than the guide roller 35 of the upper drawing and grinding brush mechanism 3, and the steel coil can be pulled in a straight line to pass through the drawing and dipping roller 63 and the guide roller 35 in sequence, and finally, through the pulling of the lower drawing and grinding brush mechanism 6 and the upper drawing and grinding brush mechanism 3, the steel coil is bent and operated in the pickling tank 1, and rubbed while being dipped, thereby improving the pickling efficiency.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A pickling device for rust removal of steel coils, comprising a pickling tank (1) and a splash shield (2) fixedly arranged on the top of the pickling tank (1), characterized in that: A steel coil inlet (13) is fixedly provided at one end of the pickling tank (1), and a steel coil outlet (10) is fixedly provided at the other end of the pickling tank (1). Guide mechanisms for guiding the steel coils are fixedly installed on the inner sides of the steel coil inlet (13) and the steel coil outlet (10). An upper traction and grinding brush mechanism (3) for pulling and rubbing the steel coils is fixedly installed at the top of the inner wall of the splash shield (2). Lower traction and grinding brush mechanisms (6) for immersing the steel coils are fixedly installed on both sides of the bottom of the inner wall of the pickling tank (1). A waste discharge assembly is fixedly installed in the middle of the bottom end of the pickling tank (1), and support seats (5) are fixedly installed on both sides of the bottom end of the pickling tank (1).

2. A pickling device for rust removal of steel coils according to claim 1, characterized in that: The guide mechanism comprises a guide bracket (11) and a guide roller (12) rotatably arranged inside the guide bracket (11).

3. A pickling device for rust removal of steel coils according to claim 1, characterized in that: A switch plate (4) is fixedly mounted on the surface of the pickling tank (1), and a power switch is fixedly mounted on the surface of the switch plate (4).

4. A pickling device for rust removal of steel coils according to claim 3, characterized in that: The upper pulling brush mechanism (3) comprises a brush seat (31) and a brush frame (36) fixedly arranged at the bottom end of the brush seat (31); an upper brush roller (37) is arranged on the inner side of the brush frame (36); a lifting frame (32) is slidably arranged on the outer side of the brush seat (31); pulling frames (34) are fixedly arranged on both sides of the bottom end of the lifting frame (32); a guide roller (35) is rotatably arranged on the inner side of the pulling frame (34); first electrically controlled hydraulic cylinders (33) are fixedly installed on both sides of the top end of the splash shield (2); the bottom ends of the two first electrically controlled hydraulic cylinders (33) are fixedly arranged on the lifting frame (32); and the two first electrically controlled hydraulic cylinders (33) are electrically connected to an external power supply through a power switch.

5. A pickling device for rust removal of steel coils according to claim 3, characterized in that: The lower pulling and grinding brush mechanism (6) comprises a U-shaped frame (61) and a drawing and dipping frame (62) slidably arranged on the inner side of the U-shaped frame (61); a drawing and dipping roller (63) is rotatably arranged on the inner side of the drawing and dipping frame (62); a second electrically controlled hydraulic cylinder (64) is fixedly installed at the bottom end of the pickling tank (1); a telescopic end of the second electrically controlled hydraulic cylinder (64) is fixedly arranged on the drawing and dipping frame (62); and the second electrically controlled hydraulic cylinder (64) is electrically connected to an external power supply via an electrically controlled switch.

6. A pickling device for rust removal of steel coils according to claim 5, characterized in that: Extension frames (65) are fixedly arranged at both ends of the U-shaped frame (61), and a lower grinding brush roller (66) is arranged between the two extension frames (65).

7. A pickling device for rust removal of steel coils according to claim 1, characterized in that: A pickling liquid filling pipe (9) is fixedly installed on one side of the front of the pickling tank (1).

8. A pickling device for rust removal of steel coils according to claim 1, characterized in that: The waste discharge assembly comprises a drain pipe (7) and a drain valve (8) fixedly mounted on the drain pipe (7).

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