Hot-rolled steel plate cooling equipment

Abstract

The invention discloses hot-rolled steel plate cooling equipment, and relates to the field of steel plate rolling, the hot-rolled steel plate cooling equipment comprises a frame, the frame adopts a square structure, and the upper side and the lower side of the frame are sealed; a conveying assembly is connected into the frame, and a steel plate is inserted into the conveying assembly and used for translating and transporting the steel plate. The conveying assembly is connected with a cooling assembly, close-range cooling is conducted on the upper side and the lower side of the steel plate in the moving and transporting process of the steel plate, the conveying assembly comprises a driving component and a driven component, the driving component comprises a driving motor, the driving motor is fixed to the outer side face of the frame, and an output shaft of the driving motor is connected with a first synchronous wheel; the first synchronous wheel is connected with a first synchronous belt. The conveying and cooling device has the advantages that the conveying and cooling mode is improved, the action distance of cooling water is reduced through the arrangement of the conveying rollers and the cooling channel, the water cooling effect of unit water volume is improved through the arrangement of a closed cooling environment, resources are saved, and the conveying and cooling device is convenient to use.

Description

Technical Field

[0001] The invention relates to the field of steel plate rolling, and in particular to a hot-rolled steel plate cooling device. Background Art

[0002] The cooling process of hot-rolled steel plates is an important part of the hot rolling process, which directly affects the microstructure, mechanical properties and surface quality of the steel plates. A reasonable cooling process can significantly improve the performance of the steel plates and meet the needs of different applications.

[0003] In the cooling method of hot-rolled steel plates, some existing technologies adopt a conveying cooling method, using a conveyor belt to convey the hot-rolled steel plates along the line, and then cooling them by cooling water on the way. On the one hand, this method can meet the function of active cooling of steel plates with a longer length, and on the other hand, the cooling method of cooling on the way can improve the processing efficiency. However, when the existing technology adopts the conveying cooling method, it only sets a water spraying device under the bottom of the conveyor belt, and realizes the cooling of the steel plate on the conveyor belt by spraying water upward over a long distance. On the one hand, this will waste more water resources, and on the other hand, it will also affect the water cooling effect. Based on this, the present invention designs a hot-rolled steel plate cooling device Summary of the invention

[0004] The purpose of the present invention is to solve the problems in the prior art and to propose a hot rolled steel plate cooling device.

[0005] A hot rolled steel plate cooling device, comprising:

[0006] A frame, wherein the frame adopts a square structure, and the upper and lower sides of the frame are sealed;

[0007] A conveying assembly, in which a steel plate is inserted and used for translating and transporting the steel plate;

[0008] A cooling component is connected to the conveying component and performs close-range cooling work on both upper and lower sides of the steel plate during its movement and transportation.

[0009] In the above-mentioned hot-rolled steel plate cooling equipment, the conveying assembly includes an active component and a driven component, the active component includes a driving motor, the driving motor is fixed to the outer side of the frame through a mounting plate, the output shaft of the driving motor is connected to a synchronous wheel 1, the synchronous wheel 1 is connected to a synchronous belt 1, the synchronous belt 1 is connected to multiple synchronous wheels 2, the synchronous wheel 1 is connected to a main shaft, each of the synchronous wheels 2 is connected to a secondary shaft, and both ends of the main shaft and the multiple secondary shafts are connected to a conveying roller, and the steel plate abuts against the top of the multiple conveying rollers and moves by the rotation of the conveying rollers.

[0010] In the above-mentioned hot-rolled steel plate cooling equipment, the driven component includes gear one, which is connected to the main shaft, meshed with gear two, and the rotation center of gear two is connected to a driven shaft, and a synchronous wheel three is sleeved on the outer side of the driven shaft, and the synchronous wheel three is connected to multiple synchronous wheels four through a synchronous belt two, and the rotation center of each of the synchronous wheels four is connected to a linkage shaft, and an auxiliary roller is connected to both sides of the driven shaft and the multiple linkage shafts, respectively, and each of the auxiliary rollers has a conveying roller opposite to it, and multiple auxiliary rollers and conveying rollers transport steel plates together.

[0011] In the above-mentioned hot-rolled steel plate cooling equipment, the cooling assembly includes a lower cooling component and an upper cooling component, the lower cooling component includes a cooling channel 1 opened in a plurality of secondary shafts, each of the cooling channel 1 passes through a side end face of the secondary shaft away from the synchronous wheel 1, each of the cooling channel 1 is sealed and connected to a water pipe 1, a plurality of the water pipes 1 are fixedly connected to a side plate, a plurality of the secondary shafts are rotatably connected in the side plate and the cooling channel 1 passes through the inner wall of the side plate, the upper cooling component includes a plurality of cooling channel 2 opened in a linkage shaft, a plurality of the cooling channel 2 passes through a side end face of the linkage shaft away from the synchronous wheel 3, a plurality of the linkage shafts are rotatably connected to the side plate, each of the cooling channel 2 passes through the inner wall of the side plate and is connected to the water pipe 2, and the cooling channel 1 and the cooling channel 2 are both annularly provided with a plurality of spray holes, and each of the spray holes is connected to a one-way valve.

[0012] In the above-mentioned hot-rolled steel plate cooling equipment, the gear one and the gear two are both provided with a conductive part of 1 / 4 of the circumference and an insulating part of 1 / 3 of the circumference. In the complete circumference of the meshing of the gear one and the gear two, the two conductive parts are always matched. The conductive parts are electrically connected to a plurality of solenoid valves, and each of the water pipes one and two is provided with a solenoid valve. The plurality of water pipes one and two are connected together to a plurality of pressure pumps.

[0013] In the above hot-rolled steel plate cooling equipment, the auxiliary roller is made of high-temperature resistant rubber material.

[0014] Compared with the prior art, the present invention has the following advantages:

[0015] 1. Integrate the cooling component and the conveying component into the frame, which can effectively reduce the action distance of the cooling water, improve the heat exchange efficiency of the cooling water, and achieve the effect of saving water resources.

[0016] 2. By utilizing the coordination of the conductive part and the insulating part in the gear meshing, during the cooling process on both sides, cooling water will be sprayed out only in 1 / 4 cycle. In the corresponding cycle, the spray holes on the upper and lower sides are facing the steel plate, that is, the spray holes will not spray water on the non-steel plate part, thus avoiding the waste of cooling water. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic structural diagram of a hot-rolled steel plate cooling device proposed by the present invention.

[0018] Figure 2 This is a schematic structural diagram of a conveying component in a hot-rolled steel plate cooling device proposed by the present invention.

[0019] Figure 3 for Figure 2 Enlarged schematic diagram of part A.

[0020] Figure 4 This is a schematic structural diagram of water pipe one and water pipe two in a hot-rolled steel plate cooling device proposed by the present invention.

[0021] Figure 5 This is a schematic structural diagram of a cooling component in a hot-rolled steel plate cooling device proposed by the present invention.

[0022] Figure 6 This is a structural schematic diagram of the conductive part and the insulating part in a hot-rolled steel plate cooling device proposed by the present invention.

[0023] In the figure: 1 frame, 2 conveying assembly, 21 driving motor, 22 synchronous wheel 1, 23 synchronous belt 1, 24 synchronous wheel 2, 25 main shaft, 26 secondary shaft, 27 conveying roller, 28 gear 1, 29 gear 2, 210 driven shaft, 211 synchronous wheel 3, 212 synchronous belt 2, 213 synchronous wheel 4, 214 linkage shaft, 215 auxiliary roller, 3 cooling assembly, 31 cooling channel 1, 32 water pipe 1, 33 side plate, 34 cooling channel 2, 35 water pipe 2, 36 spray hole, 4 mounting plate, 5 steel plate, 61 conductive part, 62 insulating part. DETAILED DESCRIPTION

[0024] Reference Figure 1-6 , a hot rolled steel plate cooling device, comprising:

[0025] Frame 1, frame 1 adopts a square structure, and the upper and lower sides of frame 1 are sealed;

[0026] A conveying assembly 2 is installed in the frame 1, a steel plate 5 is arranged in the conveying assembly 2 and is used to translate and transport the steel plate 5, the conveying assembly 2 includes an active component and a driven component, the active component 21 includes a driving motor 21, the driving motor 21 is fixed to the outer side of the frame 1 through a mounting plate 4, the output shaft of the driving motor 21 is connected to a synchronous wheel 1 22, the synchronous wheel 1 22 is connected to a synchronous belt 1 23, the synchronous belt 1 23 is connected to a plurality of synchronous wheels 24, the synchronous wheel 1 22 is connected to a main shaft 25, each synchronous wheel 24 is connected to a secondary shaft 26, both ends of the main shaft 25 and the plurality of secondary shafts 26 are connected to a conveying roller 27, the steel plate 5 abuts against the top of the plurality of conveying rollers 27 and moves by the rotation of the conveying rollers 27;

[0027] The driven component includes a gear 28, which is connected to the main shaft 25. The gear 28 is meshed with a gear 29. The rotation center of the gear 29 is connected to a driven shaft 210. A synchronous wheel 3 211 is sleeved on the outer side of the driven shaft 210. The synchronous wheel 3 211 is connected to multiple synchronous wheels 4 213 through a synchronous belt 212. The rotation center of each synchronous wheel 4 213 is connected to a linkage shaft 214. An auxiliary roller 215 is connected to both sides of the driven shaft 210 and the multiple linkage shafts 214. Each auxiliary roller 215 has a conveying roller 27 opposite to it. The multiple auxiliary rollers 215 and the conveying rollers 27 are respectively abutted against the upper and lower end surfaces of the steel plate 5 to transport the steel plate 5 together. The auxiliary rollers 215 are made of high temperature resistant rubber material.

[0028] The cooling assembly 3 is connected to the conveying assembly 2 and performs cooling work on both sides of the upper and lower sides during the movement and transportation of the steel plate 5. The cooling assembly 3 includes a lower cooling component and an upper cooling component. The lower cooling component includes a cooling channel 31 opened in a plurality of secondary shafts 26. Each cooling channel 31 passes through the end surface of the secondary shaft 26 away from the synchronous wheel 22. Each cooling channel 31 is sealed and connected to a water pipe 32. The plurality of water pipes 32 are fixedly connected to the side plate 33. The plurality of secondary shafts 26 are rotatably connected to the side plate 33. And the cooling channel 1 31 passes through the inner wall of the side plate 33, and the upper cooling component includes a plurality of cooling channels 2 34 opened in the linkage shaft 214, and the plurality of cooling channels 2 34 all pass through the end surface of one side of the linkage shaft 214 away from the synchronous wheel 3 211, and the plurality of linkage shafts 214 are rotatably connected to the side plate 33, and each cooling channel 2 34 passes through the inner wall of the side plate 33 and is connected to the water pipe 2 35, and the cooling channel 1 31 and the cooling channel 2 34 are both annularly provided with a plurality of spray holes 36, and each spray hole 36 is connected to a one-way valve.

[0029] Gear 1 28 and gear 2 29 are both provided with a 1 / 4 circumference conductive part 61 and a 3 / 4 circumference insulating part 62. In the complete circumference of the meshing of gear 1 28 and gear 2 29, the two conductive parts 61 always cooperate, that is, in the meshing of the gears, there is always a 1 / 4 cycle in which the two conductive parts 61 are partially meshed with each other. In this way, since the conductive part 61 is electrically connected to a plurality of solenoid valves, and each water pipe 1 32 and water pipe 2 35 is provided with a solenoid valve, the water pipe 1 32 and water pipe 2 35 can conduct and transport cooling water in the meshing cycle of the conductive part 61, and in the remaining During the 3 / 4 cycle, water pipe one 32 and water pipe two 35 will not transport cooling water. At the same time, when the conductive part 61 is engaged, multiple water pipes one 32 and water pipe two 35 are connected to multiple pressure pumps together, and the cooling water is output by the pressure pumps, and then enters the multiple water pipes one 32 and water pipe two 35, and is sprayed out through the spray hole 36 to achieve water cooling. When the conductive part 61 is engaged, the spray holes 36 in the secondary shaft 26 and the linkage shaft 214 on both sides will be in a state of facing the steel plate 5. This can avoid the spray holes 36 from spraying water on positions that are not facing the steel plate 5, thereby further saving water resources.

[0030] It is known from common technical knowledge that the present invention can be implemented by other embodiments that do not deviate from its spirit or essential features. Therefore, the above disclosed embodiments are only illustrative in all respects and are not exclusive. All changes within the scope of the present invention or within the scope equivalent to the present invention are included in the present invention.

Claims

1. A hot rolled steel plate cooling device, characterized in that: include: A frame (1), wherein the frame (1) has a square structure, and the upper and lower sides of the frame (1) are sealed; A conveying assembly (2), wherein a steel plate (5) is inserted into the conveying assembly (2) and is used for translating and transporting the steel plate (5); A cooling component (3) is connected to the conveying component (2) and performs cooling work on both the upper and lower sides of the steel plate (5) during its movement and transportation.

2. The hot rolled steel plate cooling device according to claim 1, characterized in that: The conveying assembly (2) comprises an active component and a driven component, wherein the active component (21) comprises a driving motor (21), wherein the driving motor (21) is fixed to the outer side surface of the frame (1) via a mounting plate (4), wherein the output shaft of the driving motor (21) is connected to a synchronous wheel (22), wherein the synchronous wheel (22) is connected to a synchronous belt (23), wherein the synchronous belt (23) is connected to a plurality of synchronous wheels (24), wherein the synchronous wheel (22) is connected to a main shaft (25), wherein each of the synchronous wheels (24) is connected to a secondary shaft (26), wherein both ends of the main shaft (25) and the plurality of secondary shafts (26) are connected to a conveying roller (27), wherein the steel plate (5) abuts against the top of the plurality of conveying rollers (27) and moves by the rotation of the conveying rollers (27).

3. The hot rolled steel plate cooling device according to claim 2, characterized in that: The driven component comprises a gear 1 (28), wherein the gear 1 (28) is connected to the main shaft (25), the gear 1 (28) is meshed with a gear 2 (29), the gear 1 (28) and the gear 2 (29) have the same number of teeth, the rotation center of the gear 2 (29) is connected to a driven shaft (210), the outer side of the driven shaft (210) is sleeved with a synchronous wheel 3 (211), the synchronous wheel 3 (211) is connected to a plurality of synchronous wheels 4 (213) via a synchronous belt 2 (212), the rotation center of each synchronous wheel 4 (213) is connected to a linkage shaft (214), the two sides of the driven shaft (210) and the plurality of linkage shafts (214) are respectively connected to an auxiliary roller (215), each of the auxiliary rollers (215) is provided with a conveying roller (27) opposite to it, and the plurality of auxiliary rollers (215) and the conveying roller (27) jointly transport the steel plate (5).

4. The hot rolled steel plate cooling device according to claim 3, characterized in that: The cooling assembly (3) comprises a lower cooling component and an upper cooling component, the lower cooling component comprises a cooling channel (31) opened in a plurality of secondary shafts (26), each of the cooling channel (31) passes through a side end surface of the secondary shaft (26) away from the synchronous wheel (22), each of the cooling channel (31) is sealedly connected to a water pipe (32), a plurality of the water pipes (32) are fixedly connected to a side plate (33), a plurality of the secondary shafts (26) are rotatably connected to the side plate (33) and the cooling channel (31) passes through the inner wall of the side plate (33), The upper cooling component comprises a plurality of cooling channels (34) opened in the linkage shaft (214), the plurality of cooling channels (34) all pass through the end surface of the linkage shaft (214) away from the synchronous wheel (211) on one side, the plurality of linkage shafts (214) are rotatably connected to the side plate (33), each cooling channel (34) passes through the inner wall of the side plate (33) and is connected to the water pipe (35), the cooling channel (31) and the cooling channel (34) are both annularly provided with a plurality of liquid spray holes (36), and each liquid spray hole (36) is connected to a one-way valve.

5. The hot rolled steel plate cooling device according to claim 4, characterized in that: The gear one (28) and the gear two (29) are both provided with a 1 / 4 circumference conductive part (61) and a 3 / 4 circumference insulating part (62). In the complete circumference of the meshing of the gear one (28) and the gear two (29), the two conductive parts (61) are always matched. The conductive parts (61) are electrically connected to a plurality of solenoid valves. Each of the water pipes one (32) and the water pipes two (35) is provided with a solenoid valve. The plurality of water pipes one (32) and the water pipes two (35) are connected to a plurality of pressure pumps.

6. The hot rolled steel plate cooling device according to claim 3, characterized in that: The auxiliary roller (215) is made of high temperature resistant rubber material.

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