Scale cleaning device for continuous casting billet

Abstract

The utility model discloses a continuous casting billet oxide scale cleaning device which comprises a primary oxide scale removing device and a secondary oxide scale removing device, the primary oxide scale removing device is arranged in front of the secondary oxide scale removing device, the secondary oxide scale removing device comprises a fixing frame, the fixing frame is of a hollow-out structure, and the fixing frame is provided with an opening. Racks are arranged at the bottoms of the left side edge and the right side edge of the fixing frame; the steel billet surface scale removing device is reasonable in structural design and convenient to use, scale on the surface of a steel billet can be effectively removed through the multiple scale removing devices, the effect of removing the scale on the surface of the steel billet is improved, and the temperature of the surface of the steel billet subjected to scale removing is sensed through the infrared sensor. Therefore, water can be sprayed and the steel brush can be selected to further remove the iron scale when the iron scale is not removed, the surface quality defect caused by the fact that the iron scale on the surface of the steel billet is not removed is prevented, and meanwhile, the water resource and the production cost can be saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to metallurgical production equipment field especially is related to a continuous casting billet scale cleaning device. BACKGROUND

[0002] In the steel metallurgical production process, the surface of the produced billet will be oxidized to produce a large amount of scale after contacting the air, and if the scale is not cleaned in time, the surface quality of the billet and the cost of the subsequent processing procedure will be affected.

[0003] The current scale removal device is to remove the scale on the surface of the billet by mechanical brushing or high-pressure water during the conveying process of the billet. Due to the continuous casting cooling, there may be occasional thick scale on the surface of the billet. The thin scale can be cleaned by mechanical brushing or high-pressure water spraying alone, but the thick scale cannot be effectively removed by mechanical brushing or high-pressure water spraying alone, which results in poor cleaning effect of the scale removal device, large water consumption during the scale removal process, further waste of water resources and increase of production cost. In addition, the traditional billet scale removal device only has one scale removal device, which is not conducive to effectively removing the scale on the surface of the billet, so it needs to be improved. CONTENT OF THE UTILITY MODEL

[0004] The utility model discloses a continuous casting billet scale cleaning device, which comprises a first scale removal device and a second scale removal device, the first scale removal device is arranged in front of the second scale removal device, the second scale removal device comprises a fixed frame, the fixed frame is a hollow structure, the bottom of the left and right sides of the fixed frame is provided with a rack, the left and right sides of the fixed frame are provided with a track, the track is provided with a movable base, the movable base is provided with a movable wheel at the left and right sides of the bottom, the movable wheel is installed on the track, the bottom of the movable base is provided with a motor, the front end of the motor is provided with a driving rod in the transverse direction, the left and right ends of the driving rod are provided with a gear, the gear is engaged with the rack, the movable base is provided with a fixed block, the front of the fixed block is provided with two parallel slide rails, the fixed block is provided with a through hole, the through hole is provided with a telescopic rod, the telescopic rod is provided with a movable block, the movable block is arranged on the two slide rails, a first spring is arranged between the movable block and the fixed block, the first spring is sleeved on the telescopic rod, the front end of the telescopic rod is provided with a steel brush assembly, the upper end of the steel brush assembly is provided with a water spraying assembly, the movable base is provided with two water storage tanks, the water storage tank and the water spraying assembly are connected through a water supply pipe.

[0005] As preferred, the one-way scale removing device comprises a rectangular frame, the rectangular frame is a hollow structure, a movable rod is arranged on each side of the rectangular frame, a plurality of steel brushes are arranged on the front end of the movable rod, and a third spring is arranged on the movable rod.

[0006] As preferred, the steel brush assembly comprises a mounting plate and a plurality of steel brushes, the mounting plate is a hollow structure, a plurality of through holes are arranged on the front end surface of the mounting plate, the plurality of steel brushes are sequentially arranged in the through holes, a second spring is arranged on the rear end of the steel brush, and the second spring is arranged in the mounting plate.

[0007] As preferred, the water spraying assembly comprises a water spraying cavity, a plurality of spray heads are arranged on the front end surface of the water spraying cavity, and a connecting head is arranged at each of the two sides of the rear end of the water spraying cavity and connected with a water conveying pipe.

[0008] As preferred, the left side of the fixing frame is provided with an infrared sensor.

[0009] As preferred, the moving block is arranged in a T-shaped structure.

[0010] As preferred, the end of the telescopic rod is provided with a limiting disc.

[0011] As preferred, the bottom of the moving base can also be provided with a sliding block, and the sliding block is arranged on a track.

[0012] The beneficial effects of the present application are as follows: the present application has reasonable structure design and is convenient to use, one, the multiple scale removing devices can effectively remove the scale on the surface of the billet and improve the effect of removing the scale on the surface of the billet, two, the infrared sensor senses the surface temperature of the billet after the scale is removed, and then judges whether the scale on the surface of the billet is removed completely, so that the water spraying and the steel brush can be selected to further remove the scale when the scale is not removed completely, the surface quality defect caused by the incomplete removal of the scale on the surface of the billet is prevented, and the water resource and the production cost can be saved. BRIEF DESCRIPTION OF DRAWINGS

[0013] The present application will be described by examples and with reference to the accompanying drawings, in which:

[0014] Figure 1 is a schematic diagram of the overall structure of the present application;

[0015] Figure 2 is a schematic diagram of the two-way scale removing device structure of the present application;

[0016] Figure 3 is a schematic diagram of the two-way scale removing device structure of the present application;

[0017] Figure 4 is the second pass scale removal device of the utility model overhead structure schematic diagram;

[0018] Figure 5 is the second pass scale removal device of the utility model overhead structure schematic diagram;

[0019] Figure 6 is the second pass scale removal device of the utility model water tank structure schematic diagram;

[0020] Figure 7 is the steel brush subassembly of the utility model sectional structure schematic diagram;

[0021] Figure 8 is the first pass scale removal device of the utility model front view structure schematic diagram;

[0022] In the drawing: 1, fixed frame;2, mobile base;3, water storage tank;4, water spray cavity;5, billet;6, fixed block;7, moving block;8, slide rail;9, first spring;10, limit round piece;11, track;12, moving wheel;13, motor;14, rack;15, gear;16, telescopic rod;17, mounting plate;18, steel brush;19, spray head;20, water delivery pipe;21, infrared sensor;22, drive rod;23, second spring;24, second pass scale removal device;25, first pass scale removal device;26, rectangular frame;27, third spring;28, movable rod. DETAILED DESCRIPTION

[0023] All features disclosed in this specification, and / or all steps of any methods disclosed, may be combined in any combination, except combinations where at least some of the features and / or steps are mutually exclusive.

[0024] Any feature in the present specification, unless explicitly stated to the contrary, is intended to be an example of an equivalent or similar feature. In other words, in the context of this specification, the word "comprising" means "including at least the recited elements, or steps, any other equivalents or similar features".

[0025] As Figure 1 , 2The application discloses a continuous casting billet scale cleaning device shown in Nos. 3, 4 and 5, which comprises a first scale removing device 25 and a second scale removing device 24, wherein the first scale removing device 25 is arranged in front of the second scale removing device 24, the second scale removing device 24 comprises a fixed frame 1, the fixed frame 1 is in a hollow structure, the bottom of the left and right sides of the fixed frame 1 is provided with a rack 14, the left and right sides of the fixed frame 1 are provided with a track 11, a moving base 2 is arranged on the track 11, the left and right sides of the bottom of the moving base 2 are provided with a moving wheel 12, the moving wheel 12 is arranged on the track 11, the bottom of the moving base 2 is provided with a motor 13, the front end of the motor 13 is transversely provided with a driving rod 22, the left and right ends of the driving rod 22 are provided with a gear 15, the gear 15 is engaged with the rack 14, the moving base 2 is provided with a fixed block 6, the front of the fixed block 6 is provided with two parallel sliding rails 8, the fixed block 6 is provided with a through hole, a telescopic rod 16 is arranged in the through hole, the telescopic rod 16 is provided with a moving block 7, the moving block 7 is arranged on the two sliding rails 8, a first spring 9 is arranged between the moving block 7 and the fixed block 6, the first spring 9 is arranged on the telescopic rod 16, the front end of the telescopic rod 16 is provided with a steel brush assembly, the upper end of the steel brush assembly is provided with a water spraying assembly, two water storage tanks 3 are arranged on the moving base 2, a water conveying pipe 20 is arranged between the water storage tank 3 and the water spraying assembly and connected through the water conveying pipe 20.

[0026] The moving block 7 is arranged in a T-shaped structure.

[0027] The end of the telescopic rod 16 is provided with a limiting disc 10.

[0028] The bottom of the moving base 2 can also be provided with a sliding block, and the sliding block is arranged on the track 11.

[0029] The second scale removing device 24 is arranged on one side of each surface of the billet 5, so that the scale on each surface of the billet 5 can be removed.

[0030] As shown in the drawings, Figure 6 The steel brush assembly comprises a mounting plate 17 and a plurality of steel brushes 18, the mounting plate 17 is in a hollow structure, a plurality of through holes are formed in the front end surface of the mounting plate 17, the plurality of steel brushes 18 are sequentially arranged in the through holes, the rear end of the steel brush 18 is provided with a second spring 23, the second spring 23 is arranged in the mounting plate 17, and the end of the second spring 23 is fixed on the wall surface in the mounting plate 17.

[0031] As shown in the drawings, Figure 3As shown, the water spraying assembly comprises a water spraying cavity 4, a plurality of spray heads 19 are arranged on the front end face of the water spraying cavity 4, and a connecting head is arranged at each side of the rear end of the water spraying cavity 4, and the connecting head is connected with a water delivery pipe 20.

[0032] An infrared sensor 21 is arranged on the left side of the fixing frame 1, and a position sensor is arranged on the outer side of the infrared sensor 21.

[0033] The motor 13 and the water spraying assembly are controlled by a PLC control system, and the PLC control system is installed on the fixing frame 1.

[0034] As shown, Figure 8 As shown, the first scale removal device 25 comprises a rectangular frame 26, the rectangular frame 26 is a hollow structure, an activity rod 28 is arranged on each side of the rectangular frame 26, a plurality of steel brushes 18 are arranged on the front end of the activity rod 28, and a third spring 27 is sleeved on the activity rod 28.

[0035] In use, the billet 5 is first conveyed to the first scale removal device 25 through the conveying device, and passes through the rectangular frame 26 of the first scale removal device 25, so that the steel brushes 18 on the first scale removal device 25 are in contact with each face of the billet 5 and remove the scale at one time, after the billet 5 removes the scale through the first scale removal device 25, the billet 5 continues to be conveyed backward, so that the billet 5 is conveyed to the second scale removal device 24, the position sensor first senses the arrival of the billet 5, and then detects the surface temperature of the billet 5 through the infrared sensor 21, if the surface temperature of the billet 5 is lower than the normal billet temperature and less than 100℃, it indicates that the thickness of the scale remaining on the surface of the billet 5 is thin, at this time, the motor 13 drives the driving rod 22 to rotate, so that the gear 15 rolls on the rack 14, and further drives the moving base 2 to move forward, so that the steel brushes 18 gradually approach the surface of the billet 5 until the steel brushes 18 contact the surface of the billet 5, and the thin scale on the surface of the billet 5 is cleaned, and the spray head 19 does not spray water at this time.

[0036] If the infrared sensor 21 detects that the surface temperature of the billet 5 is lower than the normal billet temperature and greater than 100℃, it indicates that the thickness of the scale remaining on the surface of the billet 5 is thick, and at the same time when the steel brushes 18 contact the surface of the billet 5, the water in the water storage tank 3 is delivered into the water spraying cavity 4 through the water delivery pipe 20, and the surface of the billet 5 is sprayed through the spray head on the water spraying cavity 4, so that the scale on the surface of the billet 5 is cleaned at the same time by spraying and steel brushes.

[0037] The first spring 9 and the second spring 23 are arranged to make the steel brush 18 softly contact with the surface of the steel billet 5, thereby reducing damage to the steel brush 18 and avoiding excessive bending of the steel brush 18 to reduce the effect of removing the oxide scale, improving the service life of the steel brush 18, and adjusting the contact pressure of the steel brush 18 with the surface of the steel billet 5 according to actual conditions during the forward movement of the moving base 2 to adapt to the removal of the oxide scale with different thicknesses.

[0038] The third spring 27 is arranged to make the steel brush 18 softly contact with the surface of the steel billet 5, thereby reducing damage to the steel brush 18 and avoiding excessive bending of the steel brush 18 to reduce the effect of removing the oxide scale.

[0039] The moving block 7 moves forward and backward on the slide rail 8, and the telescopic rod 16 can be more stable during forward and backward extension.

[0040] The limiting disc 10 is arranged to limit the maximum position of the forward extension of the telescopic rod 16.

[0041] The infrared sensor 21 is arranged to measure the temperature of the surface of the steel billet 5 after the oxide scale is removed by the first oxide scale removing device, and the temperature of the surface of the steel billet 5 is high or low, thereby facilitating the judgment of whether the high-pressure water spray is used in combination with the steel brush 5 to remove the oxide scale again when the steel billet 5 passes through the second oxide scale removing device, thereby saving the use of water resources.

[0042] The utility model discloses the beneficial effect is: the utility model discloses the rational structure design, convenient to use, one, through the setting of multiple oxide scale removing devices can effectively remove the oxide scale on the surface of the steel billet, improve the effect of removing the oxide scale on the surface of the steel billet, two, through the infrared sensor inductive first oxide scale after the surface temperature of the steel billet is high or low, and whether the oxide scale that remains is not removed completely on the surface of the steel billet is judged, thereby can select water spray and steel brush further remove simultaneously when not removed completely, prevent the oxide scale on the surface of the steel billet from not being removed completely and causing surface quality defects, and water resources and production cost can also be saved.

[0043] The utility model discloses the beneficial effect is: the utility model discloses the rational structure design, convenient to use, one, through the setting of multiple oxide scale removing devices can effectively remove the oxide scale on the surface of the steel billet, improve the effect of removing the oxide scale on the surface of the steel billet, two, through the infrared sensor inductive first oxide scale after the surface temperature of the steel billet is high or low, and whether the oxide scale that remains is not removed completely on the surface of the steel billet is judged, thereby can select water spray and steel brush further remove simultaneously when not removed completely, prevent the oxide scale on the surface of the steel billet from not being removed completely and causing surface quality defects, and water resources and production cost can also be saved. The utility model discloses the beneficial effect is: the utility model discloses the rational structure design, convenient to use, one, through the setting of multiple oxide scale removing devices can effectively remove the oxide scale on the surface of the steel billet, improve the effect of removing the oxide scale on the surface of the steel billet, two, through the infrared sensor inductive first oxide scale after the surface temperature of the steel billet is high or low, and whether the oxide scale that remains is not removed completely on the surface of the steel billet is judged, thereby can select water spray and steel brush further remove simultaneously when not removed completely, prevent the oxide scale on the surface of the steel billet from not being removed completely and causing surface quality defects, and water resources and production cost can also be saved. The utility model discloses the beneficial effect is: the utility model discloses the rational structure design, convenient to use, one, through the setting of multiple oxide scale removing devices can effectively remove the oxide scale on the surface of the steel billet, improve the effect of removing the oxide scale on the surface of the steel billet, two, through the infrared sensor inductive first oxide scale after the surface temperature of the steel billet is high or low, and whether the oxide scale that remains is not removed completely on the surface of the steel billet is judged, thereby can select water spray and steel brush further remove simultaneously when not removed completely, prevent the oxide scale on the surface of the steel billet from not being removed completely and causing surface quality defects, and water resources and production cost can also be saved.

Claims

1. A device for cleaning the scale of a continuously cast billet, characterized in that, Including a first mill scale removal device (25) and a second mill scale removal device (24), the first mill scale removal device (25) is arranged in front of the second mill scale removal device (24), the second mill scale removal device (24) comprises a fixed frame (1), the fixed frame (1) is a hollow structure, the left and right sides of the fixed frame (1) are provided with a rack (14), the left and right sides of the fixed frame (1) are provided with a track (11), the track (11) is provided with a movable base (2), the movable base (2) is provided with a movable wheel (12) at the left and right sides of the bottom, the movable wheel (12) is installed on the track (11), the bottom of the movable base (2) is provided with a motor (13), the front end of the motor (13) is provided with a driving rod (22), the left and right ends of the driving rod (22) are provided with a gear (15), the gear (15) is engaged with the rack (14), the movable base (2) is provided with a fixed block (6), the front of the fixed block (6) is provided with two slide rails (8), the fixed block (6) is provided with a through hole, the through hole is provided with a telescopic rod (16), the telescopic rod (16) is provided with a moving block (7), the moving block (7) is arranged on the two slide rails (8), the moving block (7) and the fixed block (6) are provided with a first spring (9), the first spring (9) is sleeved on the telescopic rod (16), the front end of the telescopic rod (16) is provided with a steel brush assembly, the upper end of the steel brush assembly is provided with a water spraying assembly, the movable base (2) is provided with two water storage tanks (3) at intervals, the water storage tank (3) and the water spraying assembly are connected through the water pipe (20).

2. A device for cleaning the scale from a continuously cast billet according to claim 1, characterized in that The first mill scale removal device (25) comprises a rectangular frame (26), the rectangular frame (26) is a hollow structure, each edge of the rectangular frame (26) is provided with a movable rod (28), the front end of the movable rod (28) is provided with a plurality of steel brushes (18), the movable rod (28) is sleeved with a third spring (27).

3. A device for cleaning the scale from a continuously cast billet according to claim 1, characterized in that The steel brush assembly comprises a mounting plate (17) and a plurality of steel brushes (18), the mounting plate (17) is a hollow structure, a plurality of through holes are formed in the front end face of the mounting plate (17), a plurality of steel brushes (18) are sequentially mounted in the through holes, the rear end of the steel brush (18) is provided with a second spring (23), the second spring (23) is mounted in the mounting plate (17), and the tail end of the second spring (23) is fixed on the wall surface in the mounting plate (17).

4. A device for cleaning the scale from a continuously cast billet according to claim 1, characterized in that The water spraying assembly comprises a water spraying cavity (4), a plurality of spray heads (19) are arranged on the front end face of the water spraying cavity (4), and a connecting head is arranged at each of the two side positions of the rear end of the water spraying cavity (4). The connecting head is connected with the water pipe (20).

5. A device for cleaning the scale from a continuously cast billet according to claim 1, characterized in that The left side of the fixed frame (1) is provided with an infrared sensor (21).

6. A device for cleaning the scale from a continuously cast billet according to claim 1, characterized in that The moving block (7) is arranged in a T-shaped structure.

7. A device for cleaning the scale from a continuously cast billet according to claim 1, characterized in that The telescopic rod (16) is provided with a limiting disc (10) at the end.

8. A device for cleaning the scale from a continuously cast billet according to claim 1, characterized in that The bottom of the mobile base (2) is also provided with a sliding block, which is installed on a track (11).

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