Cooling device for steel rolling

Abstract

A first air cooler and a second air cooler are controlled to work, the second air cooler blows air to workpieces on a conveying belt on the two sides of the workpieces, airflow circulates on the upper surfaces and the lower surfaces of the workpieces, and meanwhile a bidirectional threaded rod is rotated to drive a threaded plate to move through a limiting rod. The two threaded plates get close to each other, the threaded plates drive the mounting plate to move and further drive the first air coolers on the mounting plate to move, meanwhile, the first air coolers work, the first air coolers on the upper portion blow air upwards, the first air coolers on the lower portion blow air downwards, and airflow on the surface of the workpiece is guided to be away from the workpiece; air flow above the workpiece is exhausted through the exhaust pipe after making contact with the surface of the workpiece to be cooled, the first air cooler below guides the air flow to move downwards, and after being exhausted through the exhaust holes below, the air flow penetrates through the layer below the conveying belt again to further blow air to the conveying belt, so that the workpiece is comprehensively blown to be cooled.

Description

Technical Field

[0001] The utility model relates to a cooling device for steel rolling. Background Art

[0002] The cooling bed is a work surface for effectively cooling rolled products in the metallurgical steel rolling industry. The cooling bed consists of a mechanical transmission system, a water cooling system, a cooling bed work surface, a fixed bracket, and other aspects. The cooling beds mainly include tooth extraction cooling beds, rack stepping cooling beds, claw cooling beds, carrier chain cooling beds, and roller cooling beds.

[0003] In a utility model with publication number CN210098537U, a cooling device for steel rolling is disclosed. The worker selects a hole groove at a suitable position according to the diameter of the steel, moves the mounting plate, and the mounting plate moves along the sliding rod through a sliding sleeve until it is parallel to the hole groove. The threaded column is connected to the hole groove by rotating the threaded column to complete the fixation of the mounting plate. In this way, people can adjust the height of the air cooler according to the diameter of the steel to improve the cooling efficiency. Summary of the invention

[0004] The utility model aims to provide a cooling device for steel rolling, which can ensure the temperature reduction efficiency of the rolled piece.

[0005] The technical solution adopted by the utility model is a cooling device for steel rolling, comprising a fixed frame, a conveyor belt is arranged on the inner layer of the fixed frame, a positioning hole is opened on the outer surface of the conveyor belt, a driving motor is arranged on one side of the conveyor belt, a protrusion is arranged on the upper surface of the conveyor belt, which is convenient for supporting the steel plate workpiece and playing a supporting effect, a collecting frame is arranged on one side of the fixed frame, and the collecting frame is arranged on one side of the conveyor belt to facilitate the collection of debris, a fixing mechanism is arranged on the top of the fixed frame, a second cooling fan is fixedly installed inside the fixing mechanism, and the fixing mechanism comprises a first fixing frame, a side surface of the first fixing frame is opened with a limiting hole, and the inner wall of the first fixing frame and the second cooling fan are ... The outer surfaces of the two cooling air fans are fixedly connected, there are two first fixed frames, and the two first fixed frames are symmetrically distributed about the middle of the conveyor belt, so that the two second cooling air fans are distributed on both sides of the conveyor belt to blow air to the surface of the workpiece, and the middle height of the second cooling air fan is adapted to the height of the protrusion on the upper surface of the conveyor belt, so that the cold air blown by the second cooling air fan flows on the upper surface and the lower surface of the workpiece, and the second fixed frames are arranged above and below the fixing mechanism, and a guide slope is arranged on one side of the first fixed frame. The outer surface of the first fixed frame is fixedly connected to one side of the second fixed frame, and a second fixed frame is arranged on the upper surface and the lower surface of the first fixed frame , arranged above and below the upper layer of the conveyor belt, so that the workpiece passes through the forming frames; an exhaust hole is opened on the surface of the second fixed frame, and an adjustment mechanism is arranged on the inner side of the second fixed frame, and the adjustment mechanism includes a two-way threaded rod, the outer surface of the two-way threaded rod is threadedly connected with a threaded plate, and the inner wall of the threaded plate is slidably connected with a limiting rod, and there are two threaded plates, which are symmetrically distributed on the surface of the two-way threaded rod. Under the restriction of the limiting rod, the two threaded plates are approached and moved away from each other on the rotating two-way threaded rod, the outer surface of the two-way threaded rod is rotatably connected to the inner wall of the second fixed frame, and the outer surface of the limiting rod is fixedly connected to the inner wall of the second fixed frame, The second fixed frame is used to facilitate the stable rotation of the bidirectional threaded rod. A first air cooler is arranged on one side of the adjusting mechanism. A mounting plate is fixedly connected to one side of the threaded plate. One side of the mounting plate is fixedly connected to the first air cooler. There are two groups of first air coolers. An ordinary air cooler can be used for the first air cooler above. A flow guiding mechanism is arranged on the top of the second fixed frame above. The flow guiding mechanism includes a converging tube. An exhaust pipe is fixedly connected to the top of the converging tube. The bottom of the converging tube is fixedly connected to the second fixed frame above. The moving airflow above is moved through the converging tube to converge into the exhaust pipe and circulate through the exhaust pipe so as to guide and discharge the airflow.

[0006] 1. Two second air coolers are respectively arranged on the sides of the workpiece, and the air flow is blown into the upper and lower surfaces of the workpiece with the help of the supporting protrusions on the conveyor belt. At the same time, the second air coolers are respectively controlled to be arranged above and below the workpiece, and the air flow contacting the surface of the workpiece is further guided to the upper and lower parts, thereby comprehensively blowing and cooling the upper and lower surfaces and sides of the workpiece, improving the efficiency of the cooling zone of the workpiece, and solving the problem that the existing single downward blowing method is used to cool the workpiece on the conveyor belt, the contact area between the cold air and the workpiece is limited, and the cooling efficiency of the workpiece is low.

[0007] 2. Positioning holes and raised supports are provided on the conveyor belt to isolate a gap between the workpiece and the positioning holes, so that the blown cold air can enter the lower surface of the workpiece and cool the conveyor belt at the same time. The first cold air fan below moves downward after the air flow passes through the upper layer of the conveyor belt, and passes through the lower layer of the conveyor belt through the positioning holes below, thereby further cooling the conveyor belt. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0009] Figure 2 It is a schematic diagram of the three-dimensional structure of the bidirectional threaded rod in the utility model;

[0010] Figure 3 It is a schematic diagram of the three-dimensional structure of the bidirectional threaded rod in the utility model;

[0011] Figure 4 It is a front view of the conveyor belt in the utility model. DETAILED DESCRIPTION

[0012] A cooling device for steel rolling, such as Figure 1 , 2As shown in , 3 and 4, it includes a fixed frame 1, the inner layer of the fixed frame 1 is provided with a conveyor belt 2, the outer surface of the conveyor belt 2 is provided with a positioning hole 3, a driving motor is provided on one side of the conveyor belt 2, and a protrusion is provided on the upper surface of the conveyor belt 2 to facilitate supporting the steel plate workpiece and play a supporting effect. A collecting frame is provided on one side of the fixed frame 1, and the collecting frame is arranged on one side of the conveyor belt 2 to facilitate collecting debris. A fixing mechanism 4 is provided on the top of the fixed frame 1, and a second air cooler 10 is fixedly installed inside the fixing mechanism 4. The fixing mechanism 4 includes a first fixing frame 401, a side surface of the first fixing frame 401 is provided with a limiting hole 402, the inner wall of the first fixing frame 401 is fixedly connected to the outer surface of the second air cooler 10, and the number of the first fixing frame 401 There are two first fixed frames 401 symmetrically distributed about the middle of the conveyor belt 2, so that the two second air coolers 10 are distributed on both sides of the conveyor belt 2 to blow air on the surface of the workpiece, and the middle height of the second air cooler 10 is adapted to the height of the protrusion on the upper surface of the conveyor belt 2, so that the cold air blown by the second air cooler 10 can flow on the upper and lower surfaces of the workpiece, and second fixed frames 5 are arranged above and below the fixing mechanism 4, and a guide slope 403 is arranged on one side of the first fixed frame 401, and the outer surface of the first fixed frame 401 is fixedly connected to one side of the second fixed frame 5, and a second fixed frame 5 is arranged on the upper and lower surfaces of the first fixed frame 401, which is arranged above and below the upper layer of the conveyor belt 2, so that the workpiece passes through between the forming frames.

[0013] The surface of the second fixed frame 5 is provided with an exhaust hole 6, and the inner side of the second fixed frame 5 is provided with an adjustment mechanism 7, which includes a bidirectional threaded rod 701, the outer surface of the bidirectional threaded rod 701 is threadedly connected with a threaded plate 702, and the inner wall of the threaded plate 702 is slidably connected with a limiting rod 703. There are two threaded plates 702, which are symmetrically distributed on the surface of the bidirectional threaded rod 701. Under the restriction of the limiting rod 703, the two threaded plates 702 are moved closer to and away from each other on the rotating bidirectional threaded rod 701. The outer surface of the bidirectional threaded rod 701 is rotatably connected to the inner wall of the second fixed frame 5, and the outer surface of the limiting rod 703 is fixedly connected to the inner wall of the second fixed frame 5. The bidirectional threaded rod 701 can be easily adjusted through the second fixed frame 5. 701 rotates stably, a first air cooler 9 is arranged on one side of the adjustment mechanism 7, a mounting plate 704 is fixedly connected to one side of the threaded plate 702, and one side of the mounting plate 704 is fixedly connected to the first air cooler 9. There are two groups of first air coolers 9, and the first air cooler 9 above can adopt an ordinary fan. A guide mechanism 8 is arranged on the top of the second fixed frame 5 above, and the guide mechanism 8 includes a converging tube 801, and an exhaust pipe 802 is fixedly connected to the top of the converging tube 801, and the bottom of the converging tube 801 is fixedly connected to the second fixed frame 5 above. The moving airflow above is moved through the converging tube 801, so that the airflow converges into the exhaust pipe 802 and circulates through the exhaust pipe 802, so as to facilitate the airflow to be discharged.

[0014] When working, first control the first cooling air machine 9 and the second cooling air machine 10 to work, so that the second cooling air machine 10 blows air to the workpieces on the conveyor belt 2 on both sides of the workpieces, so that the air flow flows on the upper and lower surfaces of the workpieces, and at the same time rotates the bidirectional threaded rod 701, so that the bidirectional threaded rod 701 drives the threaded plate 702 to move through the limiting rod 703, so that the two threaded plates 702 are close to each other, so that the threaded plate 702 drives the mounting plate 704 to move, and further drives the first cooling air machine 9 on the mounting plate 704 to move, which can be used for different sizes of workpieces. At this time, the first cooling air fan 9 works, so that the upper first cooling air fan 9 blows air upwards, and the lower first cooling air fan 9 blows air downwards, guiding the airflow on the workpiece surface away from the workpiece, so that the airflow above the workpiece, after contacting the workpiece surface to cool down, further flows to the upper exhaust pipe 802, and is discharged through the exhaust pipe 802, while the lower first cooling air fan 9 guides the airflow downward, and after being discharged from the lower exhaust hole 6, it passes through a layer under the conveyor belt 2 again, and further blows air to the conveyor belt 2, so as to achieve comprehensive blowing and cooling of the workpiece, thereby improving the cooling efficiency of the workpiece.

Claims

1. A cooling device for steel rolling, comprising a fixed frame, characterized in that: The inner layer of the fixed frame is provided with a conveyor belt, the outer surface of the conveyor belt is provided with a positioning hole, a driving motor is provided on one side of the conveyor belt, and a protrusion is provided on the upper surface of the conveyor belt to support the steel plate workpiece and play a supporting effect. A collection frame is provided on one side of the fixed frame, and the collection frame is arranged on one side of the conveyor belt to collect debris. A fixing mechanism is provided on the top of the fixed frame, and a second cooling fan is fixedly installed inside the fixing mechanism. The fixing mechanism includes a first fixing frame, a side surface of the first fixing frame is provided with a limiting hole, the inner wall of the first fixing frame is fixedly connected to the outer surface of the second cooling fan, and the number of the first fixing frames is Two, two first fixed frames are symmetrically distributed about the middle of the conveyor belt, so that the two second air coolers are distributed on both sides of the conveyor belt to blow air on the surface of the workpiece, and the middle height of the second air cooler is adapted to the height of the protrusion on the upper surface of the conveyor belt, so that the cold air blown by the second air cooler flows on the upper and lower surfaces of the workpiece, and the second fixed frames are arranged above and below the fixing mechanism, and a guide slope is arranged on one side of the first fixed frame. The outer surface of the first fixed frame is fixedly connected to one side of the second fixed frame, and a second fixed frame is arranged on the upper and lower surfaces of the first fixed frame, which is arranged above and below the upper layer of the conveyor belt. , so that the workpiece passes through the forming frames; the surface of the second fixed frame is provided with an exhaust hole, and the inner side of the second fixed frame is provided with an adjustment mechanism, the adjustment mechanism includes a bidirectional threaded rod, the outer surface of the bidirectional threaded rod is threadedly connected with a threaded plate, the inner wall of the threaded plate is slidably connected with a limiting rod, there are two threaded plates, which are symmetrically distributed on the surface of the bidirectional threaded rod, and under the restriction of the limiting rod, the two threaded plates are approached and moved away from each other on the rotating bidirectional threaded rod, the outer surface of the bidirectional threaded rod is rotatably connected to the inner wall of the second fixed frame, and the outer surface of the limiting rod is fixedly connected to the inner wall of the second fixed frame, and the second fixed frame is convenient for The bidirectional threaded rod is rotated stably, and a first air cooler is arranged on one side of the adjustment mechanism. A mounting plate is fixedly connected to one side of the threaded plate, and one side of the mounting plate is fixedly connected to the first air cooler. There are two groups of first air coolers. An ordinary fan can be used for the first air cooler above. A flow guide mechanism is arranged on the top of the second fixed frame above. The flow guide mechanism includes a converging tube, and an exhaust pipe is fixedly connected to the top of the converging tube. The bottom of the converging tube is fixedly connected to the second fixed frame above. The moving airflow above is moved through the converging tube to converge into the exhaust pipe and circulate through the exhaust pipe so as to guide and discharge the airflow.

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