Cooling device for hot rolling laminar flow

Abstract

The utility model discloses a cooling device for hot-rolled laminar flow, which relates to the technical field of hot-rolled steel production, including a conveying mechanism, an adjusting mechanism and a spraying mechanism, wherein the adjusting mechanism includes a fixed frame, an adjusting screw rod is provided on the inner wall of one of the fixed frames, a mounting frame is provided on the outer side of the adjusting screw rod, and the spraying mechanism includes a fixed tube and two movable tubes, a plurality of nozzles are installed at the bottom of the fixed tube and the movable tube, a rotating plate is provided on the top of the fixed tube, and traction plates are installed between the two sides of the top of the rotating plate and the two movable tubes. The utility model can adjust the distance between the spraying mechanism and the hot-rolled steel by adjusting the rotation of the screw rod, and can adjust the intensity of the spraying, the second motor works under the traction of the two traction plates, and can adjust the distance between the movable tube and the fixed tube, and can adjust the position of the spraying mechanism according to different needs, and can improve the efficiency of hot-rolled steel cooling.

Description

Technical Field

[0001] The utility model relates to the technical field of hot-rolled steel production, in particular to a cooling device for hot-rolled laminar flow. Background Art

[0002] Hot rolled steel is steel that is rolled after high temperature heating. Hot rolling is processed at high temperature to allow the steel to recrystallize inside, making its material properties better, but hot rolling does not change the structural properties of the metal. Laminar cooling is a post-rolling online controlled cooling process for hot rolled steel plates or strips using laminar water flow. Several laminar manifolds are installed above the output roller of the finishing mill to form a cooling belt. After hot rolling, the steel plate (strip) passes through the cooling belt for accelerated cooling.

[0003] The prior art has the following deficiencies: when the prior cooling device performs spray cooling on hot-rolled steel, it is not possible to conveniently adjust the distance between the nozzle and the hot-rolled steel, and thus it is not possible to adjust the impact force of the falling water column. At the same time, it is not possible to conveniently adjust the horizontal distance between the spraying positions according to demand, which results in uneven spraying of the hot-rolled steel, affecting the cooling efficiency of the hot-rolled steel.

[0004] The above information disclosed in this Background section is only for enhancement of understanding of the background of the present disclosure and therefore it may contain information that does not constitute the prior art that is already known to one of ordinary skill in the art. Utility Model Content

[0005] The purpose of the utility model is to provide a cooling device for hot-rolled laminar flow. By operating the first motor to rotate the adjusting screw rod, the distance between the spray mechanism and the hot-rolled steel can be adjusted, and the intensity of the spray can be adjusted. At the same time, the second motor operates to rotate the rotating plate. Under the traction of two traction plates, the distance between the movable tube and the fixed tube can be adjusted. The position of the spray mechanism can be conveniently adjusted according to different needs to solve the above-mentioned deficiencies in the technology.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solution: a cooling device for hot rolling laminar flow, including a conveying mechanism, and also including:

[0007] An adjusting mechanism, arranged on the top of the conveying mechanism, is used to adjust the height of the spraying water;

[0008] A spray mechanism, arranged inside the regulating mechanism, for spray cooling the surface of the hot-rolled steel;

[0009] The adjustment mechanism comprises a fixing frame, wherein an adjusting screw rod is arranged on an inner wall of one of the fixing frames, a first motor is arranged on the top of the adjusting screw rod, and a mounting frame is arranged on the outer side of the adjusting screw rod;

[0010] The spray mechanism includes a fixed tube and two movable tubes, the fixed tube is fixedly installed at the inner middle position of the mounting frame, the two movable tubes are respectively arranged at both ends of the fixed tube, a water inlet hose is fixedly installed on one side of the top of the fixed tube and the movable tube, a plurality of nozzles are fixedly installed on the bottom of the fixed tube and the movable tube, a rotating shaft is rotatably installed on the top of the fixed tube, a second motor is arranged on the top of the rotating shaft, a rotating plate is fixedly sleeved on the outer side of the bottom of the rotating shaft, and traction plates are rotatably installed between the two sides of the top of the rotating plate and the two movable tubes.

[0011] Preferably, the conveying mechanism comprises a conveying platform, a plurality of conveying rollers are rotatably mounted on the inner bottom of the conveying platform, and two sides of the top of the conveying platform are respectively fixedly connected to two fixing frames.

[0012] Preferably, the inner walls of the two fixing frames are each provided with a mounting groove, wherein the inner wall of one of the mounting grooves is rotatably connected to the adjusting screw rod, and the inner wall of the other mounting groove is fixedly provided with a limiting rod.

[0013] Preferably, movable seats are fixedly installed on the outer walls of both sides of the mounting frame, wherein the inner wall of one of the movable seats is threadedly connected to the outer wall of the adjusting screw rod, and the inner wall of the other movable seat is movably connected to the outer wall of the limiting rod, and the outer walls of the two movable seats are movably connected to the inner walls of the two mounting grooves respectively.

[0014] Preferably, movable grooves are provided on both inner walls at both ends of the inner side of the mounting frame, and sliders are fixedly mounted on both outer walls of the movable tube, and the inner walls of the movable grooves are movably connected to the outer walls of adjacent sliders.

[0015] Preferably, the top of one of the fixing frames is fixedly connected to the first motor, and the first motor is connected to the adjusting screw rod through an output shaft.

[0016] Preferably, the top of the mounting bracket is fixedly connected to the second motor, and the second motor is transmission-connected to the rotating shaft via an output shaft.

[0017] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0018] 1. The first motor is operated to rotate the adjusting screw rod, so that the height of the mounting frame can be adjusted, and then the distance between the spray mechanism and the hot-rolled steel can be adjusted, and the spraying force can be adjusted. At the same time, the second motor is operated to rotate the rotating plate, and then under the traction of the two traction plates, the distance between the movable tube and the fixed tube can be adjusted, and then the distance between the spraying positions can be adjusted, and then the position of the spray mechanism can be conveniently adjusted according to different needs, which can improve the cooling efficiency of the hot-rolled steel;

[0019] 2. The movement of the movable seat can be limited by the mounting groove and the limiting rod, so that the mounting frame remains stable during the height adjustment process. At the same time, the movable groove can limit the movement of the slider, so that the movable tube remains stable during the movement, and the spray mechanism can stably spray and cool the hot-rolled steel. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0022] Figure 2 It is a partial cross-sectional structural diagram of the utility model.

[0023] Figure 3 For this utility model Figure 2 Enlarged view of part A.

[0024] Figure 4 It is an exploded view of the three-dimensional structure of the adjustment mechanism of the utility model.

[0025] Figure 5 It is a three-dimensional structural diagram of the spray mechanism of the utility model.

[0026] Description of reference numerals:

[0027] 1. Conveying mechanism; 101. Conveying platform; 102. Conveying roller;

[0028] 2. Adjustment mechanism; 201. Fixed frame; 202. Mounting slot; 203. Adjustment screw; 204. First motor; 205. Limiting rod; 206. Mounting frame; 207. Movable seat; 208. Movable slot;

[0029] 3. Spraying mechanism; 301. Fixed pipe; 302. Movable pipe; 303. Water inlet hose; 304. Spray head; 305. Sliding block; 306. Rotating shaft; 307. Second motor; 308. Rotating plate; 309. Traction plate. DETAILED DESCRIPTION

[0030] The utility model provides Figure 1 The hot rolling laminar flow cooling device shown includes a conveying mechanism 1 and further includes:

[0031] The regulating mechanism 2 is arranged on the top of the conveying mechanism 1 and is used to adjust the height of the spray water;

[0032] The spray mechanism 3 is arranged inside the regulating mechanism 2 and is used for spray cooling the surface of the hot-rolled steel.

[0033] In order to conveniently adjust the height of the spray mechanism 3, Figure 2 and Figure 4 As shown, the adjustment mechanism 2 includes a fixed frame 201, wherein an adjusting screw rod 203 is arranged on the inner wall of one of the fixed frames 201, a first motor 204 is arranged on the top of the adjusting screw rod 203, and a mounting frame 206 is arranged on the outer side of the adjusting screw rod 203. When the first motor 204 is operated, the adjusting screw rod 203 rotates, thereby adjusting the height of the mounting frame 206, and further adjusting the distance between the spray mechanism 3 and the hot-rolled steel.

[0034] In order to conveniently adjust the distance between the spray positions, such as Figure 2-3 and Figure 5 As shown, the spray mechanism 3 includes a fixed pipe 301 and two movable pipes 302, the fixed pipe 301 is fixedly installed at the inner middle position of the mounting frame 206, the two movable pipes 302 are respectively arranged at both ends of the fixed pipe 301, a water inlet hose 303 is fixedly installed on one side of the top of the fixed pipe 301 and the movable pipe 302, a plurality of spray heads 304 are fixedly installed on the bottom of the fixed pipe 301 and the movable pipe 302, a rotating shaft 306 is rotatably installed on the top of the fixed pipe 301, a second motor 307 is arranged on the top of the rotating shaft 306, a rotating plate 308 is fixedly sleeved on the outer side of the bottom of the rotating shaft 306, traction plates 309 are rotatably installed on both sides of the top of the rotating plate 308 and between the two movable pipes 302, the second motor 307 works to rotate the rotating plate 308, and then under the traction of the two traction plates 309, the distance between the two movable pipes 302 and the fixed pipe 301 can be adjusted, and then the spraying position can be adjusted.

[0035] In order to facilitate the installation of the adjustment mechanism 2, Figure 2 As shown, the conveying mechanism 1 includes a conveying platform 101, and a plurality of conveying rollers 102 are rotatably installed on the inner bottom of the conveying platform 101. The top two sides of the conveying platform 101 are respectively fixedly connected to two fixed frames 201. The conveying platform 101 can install and fix the fixed frames 201, and the rotation of the conveying rollers 102 can convey the hot-rolled steel.

[0036] In order to keep the spray mechanism 3 stable during the height adjustment process, Figure 2 and Figure 4As shown, the inner walls of the two fixed frames 201 are each provided with a mounting groove 202, wherein the inner wall of one mounting groove 202 is rotatably connected to the adjusting screw rod 203, and the inner wall of the other mounting groove 202 is fixedly installed with a limiting rod 205, and the outer walls of both sides of the mounting frame 206 are fixedly installed with movable seats 207, wherein the inner wall of one movable seat 207 is threadedly connected to the outer wall of the adjusting screw rod 203, and the inner wall of the other movable seat 207 is movably connected to the outer wall of the limiting rod 205, and the outer walls of the two movable seats 207 are movably connected to the inner walls of the two mounting grooves 202 respectively, and the mounting groove 202 and the limiting rod 205 can limit the movement of the movable seat 207, so that the spray mechanism 3 can be stably adjusted in height.

[0037] In order to keep the movable tube 302 stable during the movement, Figure 2 and Figure 4-5 As shown, movable grooves 208 are provided on the inner walls at both ends of the inner side of the mounting frame 206, and sliders 305 are fixedly installed on the outer walls of both sides of the movable tube 302. The inner walls of the movable grooves 208 are movably connected to the outer walls of the adjacent sliders 305. The movable grooves 208 can limit the movement of the sliders 305, so that the movable tube 302 remains stable during the movement.

[0038] In order to conveniently adjust the spray position, Figure 2 As shown, the top of one of the fixing frames 201 is fixedly connected to the first motor 204, the first motor 204 and the adjusting screw rod 203 are connected via an output shaft transmission, the top of the mounting frame 206 is fixedly connected to the second motor 307, the second motor 307 and the rotating shaft 306 are connected via an output shaft transmission, the fixing frame 201 can install and fix the first motor 204, the mounting frame 206 can install and fix the second motor 307, the first motor 204 can adjust the height of the spray mechanism 3 when it is working, and the second motor 307 can adjust the distance between the fixed pipe 301 and the movable pipe 302 when it is working.

[0039] The specific implementation method is as follows: when the hot-rolled steel is spray-cooled, the hot-rolled steel can be transported by the conveying roller 102, and the first motor 204 is operated to rotate the adjusting screw rod 203, so that one of the movable seats 207 can move on the outside along the inner wall of one of the mounting grooves 202, so that the height of the mounting frame 206 can be adjusted, and at the same time, the other mounting groove 202 and the limiting rod 205 can limit the movement of the other movable seat 207, so that the mounting frame 206 remains stable during the movement, and the height of the spray mechanism 3 can be adjusted, and the distance between the nozzle 304 and the hot-rolled steel can be adjusted, and at the same time, the second motor 307 is operated to rotate the rotating shaft 306, so that the rotating plate 308 is rotated, and then the two traction plates 309 are rotated. Under the traction action, the two movable tubes 302 can be pushed to move toward the two ends, and at the same time, the movable groove 208 can limit the adjacent slider 305, so that the movable tube 302 remains stable during the movement, and then the distance between the movable tube 302 and the fixed tube 301 can be adjusted, and then the horizontal distance of the spray position can be adjusted, and clean water can be transported to the fixed tube 301 and the movable tube 302 through the water inlet hose 303, and then the surface of the hot-rolled steel can be spray-cooled through the nozzle 304. The height and horizontal distance of the spray mechanism 3 can be conveniently adjusted according to different needs, and the cooling efficiency of the hot-rolled steel can be improved. This embodiment specifically solves the problem that the height and horizontal position of the spray cooling structure cannot be conveniently adjusted in the prior art, which affects the cooling efficiency of the hot-rolled steel.

[0040] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A cooling device for hot rolling laminar flow, comprising a conveying mechanism (1), characterized in that: Also includes: An adjusting mechanism (2) is arranged on the top of the conveying mechanism (1) and is used to adjust the height of the spraying water; A spray mechanism (3) is arranged inside the regulating mechanism (2) and is used for spray cooling the surface of the hot-rolled steel; The adjustment mechanism (2) comprises a fixing frame (201), wherein an inner wall of one of the fixing frames (201) is provided with an adjustment screw rod (203), a first motor (204) is provided on the top of the adjustment screw rod (203), and a mounting frame (206) is provided on the outer side of the adjustment screw rod (203); The spray mechanism (3) comprises a fixed pipe (301) and two movable pipes (302); the fixed pipe (301) is fixedly mounted at the middle position of the inner side of the mounting frame (206); the two movable pipes (302) are respectively arranged at two ends of the fixed pipe (301); a water inlet hose (303) is fixedly mounted on one side of the top of each of the fixed pipe (301) and the movable pipe (302); a plurality of spray heads (304) are fixedly mounted on the bottom of each of the fixed pipe (301) and the movable pipe (302); a rotating shaft (306) is rotatably mounted on the top of the fixed pipe (301); a second motor (307) is arranged on the top of the rotating shaft (306); a rotating plate (308) is fixedly sleeved on the outer side of the bottom of the rotating shaft (306); and traction plates (309) are rotatably mounted between the two sides of the top of the rotating plate (308) and the two movable pipes (302).

2. The cooling device for hot rolling laminar flow according to claim 1, characterized in that: The conveying mechanism (1) comprises a conveying platform (101), a plurality of conveying rollers (102) are rotatably mounted on the inner bottom of the conveying platform (101), and both sides of the top of the conveying platform (101) are respectively fixedly connected to two fixing frames (201).

3. The cooling device for hot rolling laminar flow according to claim 1, characterized in that: The inner walls of the two fixing frames (201) are both provided with mounting grooves (202), wherein the inner wall of one mounting groove (202) is rotatably connected to the adjusting screw rod (203), and the inner wall of the other mounting groove (202) is fixedly provided with a limiting rod (205).

4. The cooling device for hot rolling laminar flow according to claim 3, characterized in that: Movable seats (207) are fixedly mounted on the outer walls of both sides of the mounting frame (206), wherein the inner wall of one of the movable seats (207) is threadedly connected to the outer wall of the adjusting screw rod (203), and the inner wall of the other movable seat (207) is movably connected to the outer wall of the limiting rod (205), and the outer walls of the two movable seats (207) are movably connected to the inner walls of the two mounting grooves (202) respectively.

5. The cooling device for hot rolling laminar flow according to claim 1, characterized in that: The inner walls at both ends of the inner side of the mounting frame (206) are provided with movable grooves (208), and the outer walls at both sides of the movable tube (302) are fixedly installed with sliders (305), and the inner wall of the movable groove (208) is movably connected to the outer wall of the adjacent slider (305).

6. The cooling device for hot rolling laminar flow according to claim 1, characterized in that: The top of one of the fixed frames (201) is fixedly connected to the first motor (204), and the first motor (204) is connected to the adjusting screw rod (203) via an output shaft.

7. The cooling device for hot rolling laminar flow according to claim 1, characterized in that: The top of the mounting frame (206) is fixedly connected to the second motor (307), and the second motor (307) is transmission-connected to the rotating shaft (306) via an output shaft.

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