CN112296103B - Cooling process of hot rolled steel plate - Google Patents
Cooling process of hot rolled steel plate Download PDFInfo
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- CN112296103B CN112296103B CN202011141408.2A CN202011141408A CN112296103B CN 112296103 B CN112296103 B CN 112296103B CN 202011141408 A CN202011141408 A CN 202011141408A CN 112296103 B CN112296103 B CN 112296103B
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- rolled steel
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- steel plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
- B21B45/0218—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes for strips, sheets, or plates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
- B21B2001/225—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length by hot-rolling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Abstract
The invention discloses a production process of a hot-rolled steel plate in the technical field of hot-rolled steel plate processing, and preparation equipment suitable for the production process of the hot-rolled steel plate comprises a bottom plate, wherein a feeding device is arranged on the left side of the top of the bottom plate, a discharging device is arranged on the right side of the top of the bottom plate, a turning plate cooling mechanism is arranged in the middle of the top of the bottom plate, and the turning plate cooling mechanism is positioned between the feeding device and the discharging device; through the setting of above structure, can realize can carrying out water-cooling treatment at hot-rolled steel sheet driven in-process top surface, bottom surface and the lateral wall of hot-rolled steel sheet with a water tank, can make the cooling effect of hot-rolled steel sheet better, can avoid scalding staff's the condition when collecting because of the cooling thoroughly takes place, and the setting of a water tank can reduce the water consumption under the prerequisite that reaches the cooling effect, can play the purpose of using water wisely.
Description
Technical Field
The invention relates to the technical field of hot rolled steel plate processing, in particular to a cooling process of a hot rolled steel plate.
Background
The hot rolled steel plate is produced by heating a plate blank (mainly a continuous casting slab) serving as a raw material and then rolling the plate blank by a roughing mill group and a finishing mill group, and is widely applied to manufacturing industries of ships, automobiles, bridges, buildings, machinery, pressure vessels and the like because the hot rolled steel plate has excellent properties of high strength, good toughness, easy machine shaping, good weldability and the like. The manufacturing process of the hot rolled steel plate comprises the steps of stock preparation, stock heating, rolling and finishing, wherein the finishing process generally comprises a plurality of specific processes such as cutting or coiling of steel, cooling after rolling, straightening, finished product heat treatment, finished product surface cleaning, various colors and the like.
Need not only carry out water-cooling treatment to the one side of hot rolled steel sheet in the data send process when cooling down the hot rolled steel sheet after cutting off among the prior art, need or not carry out water-cooling simultaneously to the top bottom surface of hot rolled steel sheet through the setting of a plurality of shower nozzles, the former water-cooling mode cooling effect is relatively poor, can not carry out the complete cooling to hot rolled steel sheet when data send process is very fast, can lead to follow-up workman also the waste heat can scald the staff when collecting, and the latter water-cooling mode water consumption is great, can lead to the waste of water more serious.
Based on this, the present invention has devised a cooling process of a hot rolled steel sheet to solve the above-mentioned problems.
Disclosure of Invention
The invention aims to provide a cooling process of a hot-rolled steel plate, and aims to solve the problems that in the prior art, when the cut hot-rolled steel plate is cooled, not only one surface of the hot-rolled steel plate is subjected to water cooling treatment in the conveying process, but also the top and bottom surfaces of the hot-rolled steel plate are simultaneously subjected to water cooling through the arrangement of a plurality of water pipes and spray heads, the former water cooling mode has poor cooling effect, the hot-rolled steel plate cannot be completely cooled when the conveying process is fast, the subsequent workers can scald workers due to residual heat during collection, and the arrangement of the plurality of water pipes and spray heads in the latter water cooling mode can cause large water consumption and serious water waste.
In order to achieve the purpose, the invention provides the following technical scheme: a cooling process of a hot-rolled steel plate comprises a bottom plate, wherein a feeding device is arranged on the left side of the top of the bottom plate, a discharging device is arranged on the right side of the top of the bottom plate, a turning plate cooling mechanism is arranged in the middle of the top of the bottom plate, and the turning plate cooling mechanism is positioned between the feeding device and the discharging device;
the turning plate cooling mechanism comprises first mounting plates which are symmetrically and fixedly connected with the front end and the rear end of the middle position of the top of a bottom plate, a first rotating shaft and a second rotating shaft are connected with the inner sides of the two first mounting plates in a rotating mode, the first rotating shaft is positioned below the second rotating shaft, first gears are fixedly connected with the front end and the rear end of the first rotating shaft, second gears are fixedly connected with the front end and the rear end of the second rotating shaft, the first gears and the second gears which are positioned on the same front side and the rear side are in transmission connection with chains together, a first motor is fixedly connected onto the rear wall of the first mounting plate which is positioned on the rear side, the output shaft of the first motor is fixedly connected with the rear end of the first rotating shaft, electromagnet support rods are fixedly connected onto the outer walls of the two chains, hot-rolled steel plates are connected onto the top surfaces of the two electromagnet support rods, and cylindrical ejector rods are fixedly connected onto the left side wall of one side of the first mounting plate, the top of the inner side of the first mounting plate is provided with a transverse groove, the inner walls of the two transverse grooves are jointly and slidably connected with a water tank, the left side of the inner wall of the transverse groove is fixedly connected with a first gas spring, the right end of the first gas spring is fixedly connected with the left side wall of the water tank, the front end and the rear end of the left side of the bottom of the water tank are symmetrically and fixedly connected with stop levers, the bottom of the water tank is provided with a water outlet groove, the front end and the rear end of the bottom of the water tank are symmetrically provided with clamping grooves, the right side of the inner wall of the first mounting plate is provided with a vertical groove, the bottom of the inner wall of the vertical groove is slidably connected with a sliding block in the front-rear direction, the top of the sliding block is fixedly connected with a second gas spring, the top end of the second gas spring is fixedly connected with an L-shaped limiting rod, the top end of the L-shaped limiting rod is provided with a first inclined surface, the bottom end of the L-shaped limiting rod is provided with a second inclined surface close to the central position of the bottom plate, and the outer wall of the L-shaped limiting rod is fixedly connected with a third gas spring, one end, far away from the L-shaped limiting rod, of the third gas spring is fixedly connected with a sliding plate, and the sliding plate is connected with the outer wall of the first mounting plate in a sliding mode in the vertical direction;
the cooling process of the hot rolled steel plate comprises the following steps:
step 1: cutting the hot rolled steel plate into a required shape after hot rolling forming, then conveying the cut hot rolled steel plate to the right end of a feeding device through the feeding device, and then starting a first motor to enable the first motor to drive a first rotating shaft to rotate, wherein the first rotating shaft can drive a first gear to rotate, the first gear can drive a chain to drive transmission, and the chain can drive an electromagnet supporting rod to drive clockwise transmission;
and 2, step: when the top surface of the electromagnet support rod moves to be attached to the bottom surface of a hot rolled steel plate, the electromagnet support rod is electrified to enable the electromagnet support rod to suck the hot rolled steel plate, the hot rolled steel plate is fixed on the top surface of the electromagnet support rod, then the electromagnet support rod can drive the hot rolled steel plate to transmit together, and in the process that the hot rolled steel plate moves upwards, water in the water tank flows out through the water outlet groove, falls onto the upper surface of the hot rolled steel plate, and is cooled;
and step 3: when the electromagnet support rod drives the hot-rolled steel plate to move to the arc section at the top of the chain, the cylindrical ejector rod on the left side of the electromagnet support rod can be in contact with the left side wall of the stop rod, the cylindrical ejector rod can press the stop rod when the electromagnet support rod rotates in the arc section of the chain, the cylindrical ejector rod can force the stop rod to drive the water tank to slide rightwards together and stretch the first air spring, and when the hot-rolled steel plate moves to a vertical position, water flowing out of the water tank can cool the side wall of the hot-rolled steel plate;
and 4, step 4: when the cylindrical ejector rod drives the water tank to move, the right side wall of the water tank acts on the first inclined surface, the water tank drives the L-shaped limiting rod to slide downwards in the vertical groove and compress the second air spring, the water tank continuously slides rightwards, the L-shaped limiting rod can be inserted into the clamping groove under the elastic force of the second air spring, after the cylindrical ejector rod and the stop lever are staggered, the water tank can slide leftwards in the transverse groove under the action of the first air spring, and the water tank can be limited under the action of the L-shaped limiting rod;
and 5: the chain drives the electromagnet support rod to continue moving, at the moment, the hot-rolled steel plate is turned over under the action of the electromagnet support rod, water flowing out of the water tank can cool the bottom surface of the hot-rolled steel plate, when the electromagnet support rod slides downwards, the side wall of the cylindrical ejector rod can act on the second inclined plane, the cylindrical ejector rod can drive the L-shaped limiting rod to slide outwards in the vertical groove and compress the third air spring, the L-shaped limiting rod can slide out of the clamping groove, then the water tank returns to the left initial position under the action of the first air spring, after the cylindrical ejector rod is staggered with the L-shaped second inclined plane, the L-shaped limiting rod returns to the initial position under the action of the third air spring, then the electromagnet support rod drives the hot-rolled steel plate to move to the blanking device, the electromagnet support rod is powered off, the adsorption effect of the electromagnet support rod on the hot-rolled steel plate disappears, the blanking device can convey the hot-rolled steel plate away, and then various personnel can collect the hot-rolled steel plate, then the electromagnet support rod continues to rotate to continue to transmit the next hot rolled steel plate;
when the hot-rolled steel plate cooling device works, in the prior art, when the cut hot-rolled steel plate is cooled, not only is water cooling treatment carried out on one surface of the hot-rolled steel plate carried out in the conveying process, but also simultaneous water cooling is carried out on the top and bottom surfaces of the hot-rolled steel plate through the arrangement of a plurality of spray heads, the former water cooling mode has poor cooling effect, when the conveying process is fast, the hot-rolled steel plate cannot be completely cooled, and the subsequent workers possibly have residual heat to scald workers when collecting the residual heat, and the latter water cooling mode has large water consumption and can cause serious water waste, and the cooling process of the hot-rolled steel plate cuts the hot-rolled steel plate into a required shape after hot rolling forming, then the hot-rolled steel plate is conveyed to the right end of a feeding device through the feeding device, then a first motor is started, so that the first motor drives a first rotating shaft to rotate, the first rotating shaft drives a first gear to rotate, the first gear drives a chain to transmit, the chain can drive the electromagnet support rod to transmit clockwise, when the top surface of the electromagnet support rod moves to be attached to the bottom surface of a hot rolled steel plate, the electromagnet support rod is electrified to enable the electromagnet support rod to suck the hot rolled steel plate to fix the hot rolled steel plate on the top surface of the electromagnet support rod, then the electromagnet support rod can drive the hot rolled steel plate to transmit together, in the upward movement process of the hot rolled steel plate, water in the water tank can flow out through the water outlet groove and fall onto the upper surface of the hot rolled steel plate, the top surface of the hot rolled steel plate is cooled, when the electromagnet support rod drives the hot rolled steel plate to move to the arc section at the top of the chain, the cylindrical ejector rod on the left side of the electromagnet support rod can be contacted with the left side wall of the stop rod, when the electromagnet support rod rotates in the arc section of the chain, the cylindrical ejector rod can force the stop rod to drive the water tank to slide rightwards together and stretch the first gas spring, when the hot rolled steel plate moves to the vertical position, the water flowing out of the water tank can cool the side wall of the hot rolled steel plate, in the process that the cylindrical ejector rod drives the water tank to move, the right side wall of the water tank can act on the first inclined surface, the water tank can drive the L-shaped limiting rod to slide downwards in the vertical groove and compress the second air spring, the water tank can continue to slide rightwards, the L-shaped limiting rod can be inserted into the clamping groove under the elastic action of the second air spring, after the cylindrical ejector rod is staggered with the stop rod, the water tank can slide leftwards in the transverse groove under the action of the first air spring, the water tank can be limited under the action of the L-shaped limiting rod, the chain drives the electromagnet support rod to continue to move, at the moment, the hot rolled steel plate is turned over under the action of the electromagnet support rod, the water flowing out of the water tank can cool the bottom surface of the hot rolled steel plate, when the electromagnet support rod slides downwards, the side wall of the cylindrical ejector rod can act on the second inclined surface, the cylindrical ejector rod can drive the L-shaped limiting rod to slide outwards in the vertical groove and compress the third air spring, the L-shaped limiting rod can slide out of the clamping groove, the water tank returns to the initial position on the left side under the action of the first air spring, the L-shaped limiting rod returns to the initial position under the action of the third air spring after the cylindrical ejector rod and the L-shaped second inclined plane are staggered, then the electromagnet supporting rod drives the hot-rolled steel plate to move to the blanking device, the electromagnet supporting rod is powered off, the adsorption effect of the electromagnet supporting rod on the hot-rolled steel plate disappears, the blanking device can convey the hot-rolled steel plate away, various personnel can collect the hot-rolled steel plate, then the electromagnet supporting rod continues to rotate to continue to drive the next hot-rolled steel plate, through the arrangement of the structure, the top surface, the bottom surface and the side wall of the hot-rolled steel plate can be subjected to water cooling treatment by using one water tank in the transmission process of the hot-rolled steel plate, the cooling effect of the hot-rolled steel plate can be better, and the situation that workers are scalded during collection due to incomplete cooling can be avoided, and the water tank can reduce the water consumption on the premise of achieving the cooling effect, and the purpose of saving water can be achieved.
As a further scheme of the invention, the left side and the right side of the inner wall of the water tank are jointly connected with a baffle plate which can slide up and down in a sliding manner, the baffle plate covers the top of the water outlet, the front side and the rear side of the top surface of the baffle plate are symmetrically and fixedly connected with a return spring, the top end of the return spring is fixedly connected with the top of the water tank, the front side and the rear side of the bottom of the baffle plate are symmetrically and fixedly connected with a rectangular ejector rod, the rectangular ejector rod is positioned on the right side of a stop lever, the rectangular ejector rod penetrates through the bottom of the water tank, and the outer wall of an electromagnet support lever is rotatably connected with a rotating wheel; in the working process, when the electromagnet support rod drives the hot rolled steel plate to move upwards, the rotating wheel can act on the rectangular ejector rod to enable the rectangular ejector rod to drive the baffle to move upwards and compress the return spring when the outer wall of the rotating wheel is contacted with the bottom surface of the rectangular ejector rod, the water outlet groove can be opened when the ejector rod moves upwards, water in the water tank flows out to cool the hot rolled steel plate, the rotating wheel and the rectangular ejector rod are staggered when the rotating wheel is driven by the electromagnet support rod to move to a certain position on the right side of the chain, then the ejector rod can cover the water outlet groove again under the action of the elastic force of the return spring, so that the water is not flowing out, and through the arrangement of the structure, the water outlet groove can be opened after the hot rolled steel plate moves to a certain position, the water outlet groove is closed after the hot rolled steel plate moves to the corresponding position on the other side of the chain, unnecessary waste of water can be reduced while the hot rolled steel plate is cooled, the purpose of saving water is achieved, and the cooling degree of the hot rolled steel plate can be achieved by changing the length of the rectangular top rod.
As a further scheme of the invention, the bottom of the baffle is fixedly connected with a sealing block, and the shape of the sealing block is the same as the size of the water outlet groove; during operation, the water outlet groove can not be perfectly sealed by the baffle plate, and water loss can be caused.
As a further scheme of the invention, the feeding device comprises second mounting plates which are symmetrically and fixedly connected with the left side of the top of the first mounting plate in a front-back symmetrical mode, a plurality of feeding rollers which are distributed in an array mode are jointly and rotatably connected to the inner sides of the two second mounting plates, a third gear is fixedly connected to the rear ends of the feeding rollers, a first belt is jointly and drivingly connected to a plurality of third gears, a second motor is fixedly connected to the outer wall of the second mounting plate at the front end, and an output shaft of the second motor is fixedly connected with the feeding roller at the leftmost side; during operation, the rotation through the second motor drives the leftmost material loading roller to rotate, and the leftmost material loading roller rotates to drive other material loading rollers of the first belt conveyor to synchronously rotate, so that the effect of material loading transmission of the hot-rolled steel plate can be achieved.
As a further scheme of the invention, the blanking device comprises third mounting plates which are symmetrically and fixedly connected with the front and the back of the top of the first mounting plate in a front-back symmetrical mode, a plurality of blanking rollers which are distributed in an array mode are jointly and rotatably connected to the inner sides of the two third mounting plates, a fourth gear is fixedly connected to the rear ends of the blanking rollers, a second belt is jointly and drivingly connected to the plurality of fourth gears, a third motor is fixedly connected to the outer wall of the second mounting plate at the front end, and an output shaft of the third motor is fixedly connected with the rightmost blanking roller; during operation, the rightmost blanking roller is driven to rotate through the rotation of the third motor, the rightmost blanking roller can drive other blanking rollers of the second belt conveyor to synchronously rotate, and the effect of blanking transmission of the hot rolled steel plates can be achieved.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the arrangement of the turning plate cooling mechanism, the water cooling treatment on the top surface, the bottom surface and the side wall of the hot rolled steel plate can be realized by using one water tank in the transmission process of the hot rolled steel plate, the cooling effect of the hot rolled steel plate is better, the condition that workers are scalded during collection due to incomplete cooling can be avoided, and the water consumption can be reduced on the premise of achieving the cooling effect by arranging one water tank, so that the purpose of saving water can be achieved.
2. According to the invention, through the arrangement of the baffle, the rectangular ejector rod, the rotating wheel and the return spring, the water outlet groove can be opened only after the hot-rolled steel plate moves to a certain position, and the water outlet groove is closed after the hot-rolled steel plate moves to the corresponding position on the other side of the chain, so that unnecessary waste of water can be reduced while the hot-rolled steel plate is cooled, the purpose of saving water is achieved, and the cooling degree of the hot-rolled steel plate can be realized by changing the length of the rectangular ejector rod.
3. According to the invention, through the arrangement of the sealing block, the water outlet groove can be completely sealed when the baffle plate covers the top of the water outlet groove, the loss of water can be avoided, and the purpose of saving water can be achieved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a process flow diagram of the present invention:
FIG. 2 is a schematic diagram of the overall structure of the present invention;
FIG. 3 is a schematic view of the general construction of the present invention (from a rear front view);
FIG. 4 is a partial structural sectional view of the flap cooling mechanism of the present invention;
FIG. 5 is a partial structural sectional view (from the rear front view) of the flap cooling mechanism of the present invention;
FIG. 6 is an enlarged view of the point A in FIG. 4;
FIG. 7 is a sectional view of the water tank and its upper part;
FIG. 8 is a schematic view of an L-shaped stop lever according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
the device comprises a bottom plate 1, a first mounting plate 2, a first rotating shaft 3, a second rotating shaft 4, a first gear 5, a second gear 6, a chain 7, a first motor 8, an electromagnet supporting rod 9, a hot-rolled steel plate 10, a cylindrical ejector rod 11, a transverse groove 12, a water tank 13, a first air spring 14, a stop rod 15, a water outlet groove 16, a clamping groove 17, a vertical groove 18, a sliding block 19, a second air spring 20, an L-shaped limiting rod 21, a first inclined surface 22, a second inclined surface 23, a third air spring 24, a sliding plate 25, a baffle 26, a return spring 27, a rectangular ejector rod 28, a rotating wheel 29, a sealing block 30, a second mounting plate 31, a feeding roller 32, a third gear 33, a first belt 34, a second motor 35, a third mounting plate 36, a discharging roller 37, a fourth gear 38, a second belt 39 and a third motor 40.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, other embodiments obtained by persons of ordinary skill in the art without any creative effort are within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: a cooling device suitable for the cooling process of a hot-rolled steel plate comprises a bottom plate 1, wherein a feeding device is arranged on the left side of the top of the bottom plate 1, a discharging device is arranged on the right side of the top of the bottom plate 1, a turning plate cooling mechanism is arranged in the middle of the top of the bottom plate 1, and the turning plate cooling mechanism is positioned between the feeding device and the discharging device;
the turning plate cooling mechanism comprises first mounting plates 2 which are symmetrically and fixedly connected with the front end and the rear end of the middle position of the top of a bottom plate 1, a first rotating shaft 3 and a second rotating shaft 4 are jointly and rotatably connected with the inner sides of the two first mounting plates 2, the first rotating shaft 3 is positioned below the second rotating shaft 4, the front end and the rear end of the first rotating shaft 3 are respectively and fixedly connected with a first gear 5, the front end and the rear end of the second rotating shaft 4 are respectively and fixedly connected with a second gear 6, the first gear 5 and the second gear 6 which are positioned on the same front side and the rear side are respectively and jointly and drivingly connected with a chain 7, a first motor 8 is fixedly connected with the rear wall of the first mounting plate 2 positioned on the rear side, the output shaft of the first motor 8 is fixedly connected with the rear end of the first rotating shaft 3, electromagnet support rods 9 are respectively and fixedly connected with the outer walls of the two chains 7, hot rolled steel plates 10 are connected with the top surfaces of the two electromagnet support rods 9, the left side walls of the electromagnet support rods 9 which are close to the first mounting plate 2 are fixedly connected with a cylindrical ejector rod 11, the top of the inner side of the first mounting plate 2 is provided with a transverse groove 12, the inner walls of the two transverse grooves 12 are jointly and slidably connected with a water tank 13, the left side of the inner wall of the transverse groove 12 is fixedly connected with a first air spring 14, the right end of the first air spring 14 is fixedly connected with the left side wall of the water tank 13, the front end and the rear end of the left side of the bottom of the water tank 13 are symmetrically and fixedly connected with stop levers 15, the bottom of the water tank 13 is provided with a water outlet groove 16, the front end and the rear end of the bottom of the water tank 13 are symmetrically provided with clamping grooves 17, the right side of the inner wall of the first mounting plate 2 is provided with a vertical groove 18, the bottom of the inner wall of the vertical groove 18 is slidably connected with a sliding block 19 in the front and rear direction, the top of the sliding block 19 is fixedly connected with a second air spring 20, the top end of the second air spring 20 is fixedly connected with an L-shaped limiting rod 21, the top end of the L-shaped limiting rod 21 is provided with a first inclined surface 22, the bottom end is provided with a second inclined surface 23 close to the central position of the bottom plate 1, and the outer wall of the L-shaped limiting rod 21 is fixedly connected with a third air spring 24, one end of the third gas spring 24, which is far away from the L-shaped limiting rod 21, is fixedly connected with a sliding plate 25, and the sliding plate 25 is connected with the outer wall of the first mounting plate 2 in a sliding manner in the vertical direction;
the cooling process of the hot rolled steel plate comprises the following steps:
step 1: cutting a hot-rolled steel plate 10 into a required shape after hot rolling forming, then conveying the cut hot-rolled steel plate into the right end of a feeding device through the feeding device, and then starting a first motor 8 to enable the first motor 8 to drive a first rotating shaft 3 to rotate, wherein the first rotating shaft 3 can drive a first gear 5 to rotate, the first gear 5 can drive a chain 7 to transmit, and the chain 7 can drive an electromagnet supporting rod 9 to transmit clockwise;
step 2: when the top surface of the electromagnet support rod 9 moves to be attached to the bottom surface of the hot rolled steel plate 10, the electromagnet support rod 9 is electrified to enable the electromagnet support rod 9 to suck the hot rolled steel plate 10, the hot rolled steel plate 10 is fixed on the top surface of the electromagnet support rod 9, then the electromagnet support rod 9 can drive the hot rolled steel plate 10 to transmit together, and in the upward movement process of the hot rolled steel plate 10, water in the water tank 13 can flow out through the water outlet groove 16 and fall onto the upper surface of the hot rolled steel plate 10, so that the top surface of the hot rolled steel plate 10 is cooled;
and 3, step 3: when the electromagnet support rod 9 drives the hot-rolled steel plate 10 to move to the arc section of the top of the chain 7, the cylindrical ejector rod 11 on the left side of the electromagnet support rod 9 is in contact with the left side wall of the stop rod 15, when the electromagnet support rod 9 rotates in the arc section of the chain 7, the cylindrical ejector rod 11 presses the stop rod 15, the cylindrical ejector rod 11 forces the stop rod 15 to drive the water tank 13 to slide rightwards together and stretch the first air spring 14, and when the hot-rolled steel plate 10 moves to the vertical position, water flowing out of the water tank 13 can cool the side wall of the hot-rolled steel plate 10;
and 4, step 4: in the process that the cylindrical ejector rod 11 drives the water tank 13 to move, the right side wall of the water tank 13 acts on the first inclined surface 22, the water tank 13 drives the L-shaped limiting rod 21 to slide downwards in the vertical groove 18 and compress the second gas spring 20, the water tank 13 continuously slides rightwards, the L-shaped limiting rod 21 is inserted into the clamping groove 17 under the elastic force of the second gas spring 20, after the cylindrical ejector rod 11 and the stop lever 15 are staggered, the water tank 13 slides leftwards in the transverse groove 12 under the action of the first gas spring 14, and the water tank 13 is limited under the action of the L-shaped limiting rod 21;
and 5: the chain 7 drives the electromagnet support rod 9 to move continuously, at the moment, the hot-rolled steel plate 10 is turned over under the action of the electromagnet support rod 9, water flowing out of the water tank 13 can cool the bottom surface of the hot-rolled steel plate 10, when the electromagnet support rod 9 slides downwards, the side wall of the cylindrical ejector rod 11 acts on the second inclined surface 23, the cylindrical ejector rod 11 drives the L-shaped limiting rod 21 to slide outwards in the vertical groove 18 and compress the third air spring 24, the L-shaped limiting rod 21 slides out of the clamping groove 17, then the water tank 13 returns to the left initial position under the action of the first air spring 14, when the cylindrical ejector rod 11 and the L-shaped second inclined surface 23 are staggered, the L-shaped limiting rod 21 returns to the initial position under the action of the third air spring 24, then the electromagnet support rod 9 drives the hot-rolled steel plate 10 to move to the blanking device, the electromagnet support rod 9 is powered off, and the adsorption action of the electromagnet support rod 9 on the hot-rolled steel plate 10 disappears, the blanking device can convey the hot rolled steel plate 10 away, then various personnel can collect the hot rolled steel plate 10, and then the electromagnet support rod 9 continues to rotate to continue to transmit the next hot rolled steel plate 10;
when the hot rolled steel plate 10 is in work, in the prior art, when the cut hot rolled steel plate 10 is cooled, not only is water cooling treatment carried out on one surface of the hot rolled steel plate 10 in the conveying process, but also simultaneous water cooling is carried out on the top surface and the bottom surface of the hot rolled steel plate 10 through a plurality of nozzles, the former water cooling mode has poor cooling effect, when the conveying process is fast, the hot rolled steel plate 10 cannot be completely cooled, the subsequent workers can scald workers by waste heat during collection, the latter water cooling mode has large water consumption and can cause serious waste of water, and the cooling process of the hot rolled steel plate cuts the hot rolled steel plate 10 into a required shape after hot rolling forming, then the hot rolled steel plate is conveyed to the right end of a feeding device through the feeding device, then the first motor 8 is started, so that the first motor 8 drives the first rotating shaft 3 to rotate, the first rotating shaft 3 can drive the first gear 5 to rotate, the first gear 5 drives the chain 7 to drive, the chain 7 drives the electromagnet support rod 9 to drive clockwise, when the top surface of the electromagnet support rod 9 moves to be attached to the bottom surface of the hot-rolled steel plate 10, the electromagnet support rod 9 is electrified to enable the electromagnet support rod 9 to suck the hot-rolled steel plate 10 and fix the hot-rolled steel plate 10 on the top surface of the electromagnet support rod 9, then the electromagnet support rod 9 drives the hot-rolled steel plate 10 to drive together, in the upward movement process of the hot-rolled steel plate 10, water in the water tank 13 flows out through the water outlet groove 16 and drops onto the upper surface of the hot-rolled steel plate 10, the top surface of the hot-rolled steel plate 10 is cooled, when the electromagnet support rod 9 drives the hot-rolled steel plate 10 to move to the arc section of the top of the chain 7, the cylindrical ejector rod 11 on the left side of the electromagnet support rod 9 contacts with the left side wall of the stop rod 15, and the cylindrical ejector rod 11 presses the stop rod 15 when the electromagnet support rod 9 rotates in the arc section of the chain 7, the cylindrical ejector rod 11 can force the stop rod 15 to drive the water tank 13 to slide rightwards together and stretch the first air spring 14, when the hot rolled steel plate 10 moves to a vertical position, water flowing out of the water tank 13 can cool the side wall of the hot rolled steel plate 10, in the process that the cylindrical ejector rod 11 drives the water tank 13 to move, the right side wall of the water tank 13 can act on the first inclined plane 22, the water tank 13 can drive the L-shaped limiting rod 21 to slide downwards in the vertical groove 18 and compress the second air spring 20, the water tank 13 continues to slide rightwards, the L-shaped limiting rod 21 can be inserted into the clamping groove 17 under the elastic force of the second air spring 20, after the cylindrical ejector rod 11 is staggered with the stop rod 15, the water tank 13 can slide leftwards in the transverse groove 12 under the action of the first air spring 14, the water tank 13 can be limited under the action of the L-shaped limiting rod 21, the chain 7 drives the electromagnet support rod 9 to continue to move, at this time, the hot rolled steel plate 10 is turned over under the action of the electromagnet support rod 9, the bottom surface of the hot-rolled steel plate 10 can be cooled by water flowing out of the water tank 13, when the electromagnet support rod 9 slides downwards, the side wall of the cylindrical ejector rod 11 acts on the second inclined surface 23, the cylindrical ejector rod 11 drives the L-shaped limiting rod 21 to slide outwards in the vertical groove 18 and compress the third air spring 24 at the same time, the L-shaped limiting rod 21 slides out of the clamping groove 17, then the water tank 13 returns to the left initial position under the action of the first air spring 14, after the cylindrical ejector rod 11 and the L-shaped second inclined surface 23 are staggered, the L-shaped limiting rod 21 returns to the initial position under the action of the third air spring 24, then the electromagnet support rod 9 drives the hot-rolled steel plate 10 to move to the blanking device, the electromagnet support rod 9 is powered off, the adsorption effect of the electromagnet support rod 9 on the hot-rolled steel plate 10 disappears, the blanking device can convey the hot-rolled steel plate 10 away, and then various personnel can collect the hot-rolled steel plate 10, then the electro-magnet die-pin 9 continues to rotate and continues to carry out the transmission to next hot rolled steel sheet 10, through the setting of above structure, can realize can be to hot rolled steel sheet 10's top surface with a water tank 13 at hot rolled steel sheet 10 driven in-process, bottom surface and lateral wall carry out water-cooling treatment, can make hot rolled steel sheet 10's cooling effect better, can avoid scalding staff's the condition when collecting and taking place because of the cooling thoroughly leads to, and the setting of a water tank 13 can reduce the water consumption under the prerequisite that reaches the cooling effect, can play the purpose of using water wisely.
As a further scheme of the invention, the left side and the right side of the inner wall of the water tank 13 are jointly connected with a baffle 26 which slides up and down in a sliding manner, the baffle 26 covers the top of the water outlet, the front side and the rear side of the top surface of the baffle 26 are symmetrically and fixedly connected with a return spring 27, the top end of the return spring 27 is fixedly connected with the top of the water tank 13, the front side and the rear side of the bottom of the baffle 26 are symmetrically and fixedly connected with a rectangular ejector rod 28, the rectangular ejector rod 28 is positioned on the right side of the stop lever 15, the rectangular ejector rod 28 penetrates through the bottom of the water tank 13, and the outer wall of the electromagnet support lever 9 is rotatably connected with a rotating wheel 29; in the working process, considering that when the electromagnet supporting rod 9 does not support the hot rolled steel plate 10 to move upwards, the water outlet groove 16 also discharges water to possibly cause water loss and waste of water, in the process of the electromagnet supporting rod 9 driving the hot rolled steel plate 10 to move upwards, when the outer wall of the rotating wheel 29 contacts the bottom surface of the rectangular ejector rod 28, the rotating wheel 29 acts on the rectangular ejector rod 28 to enable the rectangular ejector rod 28 to drive the baffle 26 to move upwards and compress the return spring 27, the ejector rod moves upwards to open the water outlet groove 16, so that the water in the water tank 13 flows out to carry out cooling treatment on the hot rolled steel plate 10, when the electromagnet supporting rod 9 drives the rotating wheel 29 to move to a certain position on the right side of the chain 7, the rotating wheel 29 is staggered with the rectangular ejector rod 28, then the ejector rod covers the water outlet groove 16 again under the elastic force of the return spring 27, so that the water does not flow out, the water outlet groove 16 can be opened after the hot rolled steel plate 10 moves to a certain position, and the water outlet groove 16 is closed after the hot rolled steel plate 10 moves to the corresponding position on the other side of the chain 7, so that unnecessary waste of water can be reduced while the hot rolled steel plate 10 is cooled, the purpose of saving water is achieved, and the cooling degree of the hot rolled steel plate 10 can be realized by changing the length of the rectangular ejector rod 28.
As a further scheme of the invention, the bottom of the baffle 26 is fixedly connected with a sealing block 30, and the shape of the sealing block 30 is the same as the size of the water outlet groove 16; in the working process, considering that the baffle 26 may not perfectly seal the water outlet groove 16 and may cause water loss, the cooling process of the hot rolled steel plate can ensure that the water outlet groove 16 can be completely sealed when the baffle 26 covers the top of the water outlet groove 16 through the arrangement of the sealing block 30, so that the water loss can be avoided, and the purpose of saving water can be achieved.
As a further scheme of the invention, the feeding device comprises second mounting plates 31 which are symmetrically and fixedly connected with the left side of the top of the first mounting plate 2 in a front-back symmetrical manner, a plurality of feeding rollers 32 which are distributed in an array manner are jointly and rotatably connected to the inner sides of the two second mounting plates 31, a third gear 33 is fixedly connected to the rear ends of the feeding rollers 32, a first belt 34 is jointly and drivingly connected to the plurality of third gears 33, a second motor 35 is fixedly connected to the outer wall of the second mounting plate 31 at the front end, and an output shaft of the second motor 35 is fixedly connected to the leftmost feeding roller 32; during operation, the rotation of the second motor 35 drives the leftmost feeding roller 32 to rotate, and the rotation of the leftmost feeding roller 32 drives the other feeding rollers 32 of the first belt 34 to synchronously rotate, so that the feeding transmission effect on the hot-rolled steel plate 10 can be achieved.
As a further scheme of the invention, the blanking device comprises a first mounting plate 2, wherein the top of the first mounting plate is provided with a plurality of third mounting plates 36 which are symmetrically and fixedly connected with the front and the back, the inner sides of the two third mounting plates 36 are jointly and rotatably connected with a plurality of blanking rollers 37 which are distributed in an array manner, the rear ends of the blanking rollers 37 are fixedly connected with fourth gears 38, the fourth gears 38 are jointly and drivingly connected with a second belt 39, the outer wall of the second mounting plate 31 positioned at the front end is fixedly connected with a third motor 40, and the output shaft of the third motor 40 is fixedly connected with the rightmost blanking roller; during operation, the rightmost blanking roller 37 is driven to rotate through the rotation of the third motor 40, the rightmost blanking roller 37 rotates to drive other blanking rollers 37 of the second belt 39 to synchronously rotate, and the effect of blanking transmission of the hot-rolled steel plate 10 can be achieved.
The working principle is as follows: when the hot-rolled steel plate 10 cooling device works, in the prior art, when the cut hot-rolled steel plate 10 is cooled, not only is water cooling treatment carried out on one surface of the hot-rolled steel plate 10 in the conveying process, but also simultaneous water cooling is carried out on the top and bottom surfaces of the hot-rolled steel plate 10 through the arrangement of a plurality of spray heads, the former water cooling method has poor cooling effect, when the conveying process is fast, the hot-rolled steel plate 10 cannot be completely cooled, and the subsequent workers can be scalded by residual heat during collection, the latter water cooling method has large water consumption and can cause serious water waste, and the hot-rolled steel plate cooling process is characterized in that the hot-rolled steel plate 10 is cut into a required shape after hot rolling forming, then the required shape is conveyed to the right end of a feeding device through the feeding device, then the first motor 8 is started, so that the first motor 8 drives the first rotating shaft 3 to rotate, and the first rotating shaft 3 drives the first gear 5 to rotate, the first gear 5 drives the chain 7 to drive, the chain 7 drives the electromagnet support rod 9 to drive clockwise, when the top surface of the electromagnet support rod 9 moves to be attached to the bottom surface of the hot-rolled steel plate 10, the electromagnet support rod 9 is electrified to enable the electromagnet support rod 9 to suck the hot-rolled steel plate 10 and fix the hot-rolled steel plate 10 on the top surface of the electromagnet support rod 9, then the electromagnet support rod 9 drives the hot-rolled steel plate 10 to drive together, in the upward movement process of the hot-rolled steel plate 10, water in the water tank 13 flows out through the water outlet groove 16 and drops onto the upper surface of the hot-rolled steel plate 10, the top surface of the hot-rolled steel plate 10 is cooled, when the electromagnet support rod 9 drives the hot-rolled steel plate 10 to move to the arc section of the top of the chain 7, the cylindrical ejector rod 11 on the left side of the electromagnet support rod 9 contacts with the left side wall of the stop rod 15, and the cylindrical ejector rod 11 presses the stop rod 15 when the electromagnet support rod 9 rotates in the arc section of the chain 7, the cylindrical ejector rod 11 can force the stop rod 15 to drive the water tank 13 to slide rightwards together and stretch the first air spring 14, when the hot rolled steel plate 10 moves to a vertical position, water flowing out of the water tank 13 can cool the side wall of the hot rolled steel plate 10, in the process that the cylindrical ejector rod 11 drives the water tank 13 to move, the right side wall of the water tank 13 can act on the first inclined plane 22, the water tank 13 can drive the L-shaped limiting rod 21 to slide downwards in the vertical groove 18 and compress the second air spring 20, the water tank 13 continues to slide rightwards, the L-shaped limiting rod 21 can be inserted into the clamping groove 17 under the elastic force of the second air spring 20, after the cylindrical ejector rod 11 is staggered with the stop rod 15, the water tank 13 can slide leftwards in the transverse groove 12 under the action of the first air spring 14, the water tank 13 can be limited under the action of the L-shaped limiting rod 21, the chain 7 drives the electromagnet support rod 9 to continue to move, at this time, the hot rolled steel plate 10 is turned over under the action of the electromagnet support rod 9, the bottom surface of the hot-rolled steel plate 10 can be cooled by water flowing out of the water tank 13, when the electromagnet support rod 9 slides downwards, the side wall of the cylindrical ejector rod 11 acts on the second inclined surface 23, the cylindrical ejector rod 11 drives the L-shaped limiting rod 21 to slide outwards in the vertical groove 18 and compress the third air spring 24 at the same time, the L-shaped limiting rod 21 slides out of the clamping groove 17, then the water tank 13 returns to the left initial position under the action of the first air spring 14, after the cylindrical ejector rod 11 and the L-shaped second inclined surface 23 are staggered, the L-shaped limiting rod 21 returns to the initial position under the action of the third air spring 24, then the electromagnet support rod 9 drives the hot-rolled steel plate 10 to move to the blanking device, the electromagnet support rod 9 is powered off, the adsorption effect of the electromagnet support rod 9 on the hot-rolled steel plate 10 disappears, the blanking device can convey the hot-rolled steel plate 10 away, and then various personnel can collect the hot-rolled steel plate 10, then the electro-magnet die-pin 9 continues to rotate and continues to carry out the transmission to next hot rolled steel sheet 10, through the setting of above structure, can realize that can be to hot rolled steel sheet 10's top surface at hot rolled steel sheet 10 driven in-process with a water tank 13, bottom surface and lateral wall carry out the water-cooling and handle, can make hot rolled steel sheet 10's cooling effect better, can avoid scalding staff's the condition when collecting because of the cooling thoroughly takes place, and the setting of a water tank 13 can reduce the water consumption under the prerequisite that reaches the cooling effect, can play water-saving purpose.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The utility model provides a cooling process of hot rolled steel sheet, is applicable to this cooling equipment of hot rolled steel sheet cooling process and includes bottom plate (1), bottom plate (1) top left side is provided with loading attachment, bottom plate (1) top right side is provided with unloader, its characterized in that: a turning plate cooling mechanism is arranged in the middle of the top of the bottom plate (1) and is positioned between the feeding device and the discharging device;
the turning plate cooling mechanism comprises first mounting plates (2) which are symmetrically and fixedly connected with the front end and the rear end of the middle position of the top of a bottom plate (1), the inner sides of the two first mounting plates (2) are jointly and rotatably connected with a first rotating shaft (3) and a second rotating shaft (4), the first rotating shaft (3) is positioned below the second rotating shaft (4), the front end and the rear end of the first rotating shaft (3) are respectively and fixedly connected with a first gear (5), the front end and the rear end of the second rotating shaft (4) are respectively and fixedly connected with a second gear (6), the first gear (5) and the second gear (6) which are positioned on the same front side and the rear side are respectively and jointly and drivingly connected with a chain (7), a first motor (8) is fixedly connected onto the rear wall of the first mounting plate (2) positioned on the rear side, the output shaft of the first motor (8) is fixedly connected with the rear end of the first rotating shaft (3), and electromagnet supporting rods (9) are respectively and fixedly connected onto the outer walls of the two chains (7), the top surfaces of the two electromagnet support rods (9) are connected with a hot rolled steel plate (10), the electromagnet support rods (9) are fixedly connected with a cylindrical ejector rod (11) on the left side of the side wall close to one side of the first mounting plate (2), the top of the inner side of the first mounting plate (2) is provided with a transverse groove (12), the inner walls of the two transverse grooves (12) are jointly and slidably connected with a water tank (13), the left side of the inner wall of the transverse groove (12) is fixedly connected with a first air spring (14), the right end of the first air spring (14) is fixedly connected with the left side wall of the water tank (13), the front end and the rear end of the left side of the bottom of the water tank (13) are symmetrically and fixedly connected with stop rods (15), the bottom of the water tank (13) is provided with a water outlet groove (16), the front end and the rear end of the bottom of the water tank (13) are symmetrically provided with clamping grooves (17), and the right side of the inner wall of the first mounting plate (2) is provided with a vertical groove (18), the bottom of the inner wall of the vertical groove (18) is connected with a sliding block (19) in a sliding mode in the front-rear direction, the top of the sliding block (19) is fixedly connected with a second air spring (20), the top end of the second air spring (20) is fixedly connected with an L-shaped limiting rod (21), the top end of the L-shaped limiting rod (21) is provided with a first inclined surface (22), one side, close to the central position of the bottom plate (1), of the bottom end of the L-shaped limiting rod (21) is provided with a second inclined surface (23), the outer wall of the L-shaped limiting rod (21) is fixedly connected with a third air spring (24), one end, far away from the L-shaped limiting rod (21), of the third air spring (24) is fixedly connected with a sliding plate (25), and the sliding plate (25) is connected with the outer wall of the first mounting plate (2) in a sliding mode in the up-down direction;
the cooling process of the hot rolled steel plate comprises the following steps:
step 1: cutting a hot-rolled steel plate (10) into a required shape after hot rolling forming, then conveying the cut hot-rolled steel plate into the right end of a feeding device through the feeding device, and then starting a first motor (8) to enable the first motor (8) to drive a first rotating shaft (3) to rotate, wherein the first rotating shaft (3) can drive a first gear (5) to rotate, the first gear (5) can drive a chain (7) to transmit, and the chain (7) can drive an electromagnet support rod (9) to transmit clockwise;
step 2: when the top surface of the electromagnet support rod (9) moves to be attached to the bottom surface of the hot-rolled steel plate (10), the electromagnet support rod (9) is electrified to enable the electromagnet support rod (9) to suck the hot-rolled steel plate (10) to fix the hot-rolled steel plate (10) on the top surface of the electromagnet support rod (9), then the electromagnet support rod (9) can drive the hot-rolled steel plate (10) to transmit together, in the upward movement process of the hot-rolled steel plate (10), water in the water tank (13) can flow out through the water outlet groove (16) and fall onto the upper surface of the hot-rolled steel plate (10), and cooling treatment is carried out on the top surface of the hot-rolled steel plate (10);
and step 3: when the electromagnet support rod (9) drives the hot-rolled steel plate (10) to move to the arc section at the top of the chain (7), the cylindrical ejector rod (11) on the left side of the electromagnet support rod (9) can be in contact with the left side wall of the stop lever (15), the cylindrical ejector rod (11) can press the stop lever (15) when the electromagnet support rod (9) rotates in the arc section of the chain (7), the cylindrical ejector rod (11) can force the stop lever (15) to drive the water tank (13) to slide rightwards and stretch the first air spring (14), and when the hot-rolled steel plate (10) moves to a vertical position, water flowing out of the water tank (13) can cool the side wall of the hot-rolled steel plate (10);
and 4, step 4: in the process that the cylindrical ejector rod (11) drives the water tank (13) to move, the right side wall of the water tank (13) acts on a first inclined plane (22), the water tank (13) drives the L-shaped limiting rod (21) to slide downwards in the vertical groove (18) and simultaneously compress the second air spring (20), the water tank (13) continues to slide rightwards, the L-shaped limiting rod (21) can be inserted into the clamping groove (17) under the elastic force action of the second air spring (20), after the cylindrical ejector rod (11) and the stop lever (15) are staggered, the water tank (13) can slide leftwards in the transverse groove (12) under the action of the first air spring (14), and the water tank (13) can be limited under the action of the L-shaped limiting rod (21);
and 5: the chain (7) drives the electromagnet support rod (9) to move continuously, at the moment, the hot rolled steel plate (10) is turned over under the action of the electromagnet support rod (9), water flowing out of the water tank (13) can cool the bottom surface of the hot rolled steel plate (10), when the electromagnet support rod (9) slides downwards, the side wall of the cylindrical ejector rod (11) can act on the second inclined surface (23), the cylindrical ejector rod (11) can drive the L-shaped limiting rod (21) to slide towards the outer side in the vertical groove (18) and simultaneously compress the third air spring (24), the L-shaped limiting rod (21) can slide out of the clamping groove (17), then the water tank (13) returns to the left initial position under the action of the first air spring (14), when the cylindrical ejector rod (11) and the L-shaped second inclined surface (23) are staggered, the L-shaped limiting rod (21) returns to the initial position under the action of the third air spring (24), and then the electromagnet support rod (9) drives the hot rolled steel plate (10) to move to the blanking device, give the outage of electro-magnet die-pin (9), electro-magnet die-pin (9) disappear to the adsorption of hot rolled steel sheet (10), and unloader can convey away hot rolled steel sheet (10) then various personnel can collect hot rolled steel sheet (10), then electro-magnet die-pin (9) continue to rotate and continue to carry out the transmission to next hot rolled steel sheet (10).
2. The cooling process of a hot rolled steel sheet according to claim 1, characterized in that: gliding baffle (26) from top to bottom that has is connected to the common sliding of water tank (13) inner wall left and right sides, baffle (26) cover the top at the delivery port, bilateral symmetry fixedly connected with reset spring (27) around baffle (26) top surface, the top of reset spring (27) and the top fixed connection of water tank (13), bilateral symmetry fixedly connected with rectangle ejector pin (28) around baffle (26) bottom, rectangle ejector pin (28) are located the right side of pin (15), rectangle ejector pin (28) pass the bottom of water tank (13), it is connected with runner (29) to rotate on the outer wall of electro-magnet die-pin (9).
3. A cooling process of a hot rolled steel sheet according to claim 2, characterized in that: the bottom of the baffle plate (26) is fixedly connected with a sealing block (30), and the shape of the sealing block (30) is the same as the size of the water outlet groove (16).
4. A cooling process of a hot rolled steel sheet according to claim 1, characterized in that: symmetrical fixedly connected with second mounting panel (31), two around the top left side of first mounting panel (2) symmetrical fixedly connected with second mounting panel (31) are inboard to rotate jointly and are connected with a plurality of material loading roller (32) that the array distributes, the rear end fixedly connected with third gear (33) of material loading roller (32), a plurality of the common transmission of third gear (33) is connected with first belt (34), is located the front end fixedly connected with second motor (35) on the outer wall of second mounting panel (31), the output shaft and the leftmost material loading roller (32) fixed connection of second motor (35).
5. A cooling process of a hot rolled steel sheet according to claim 1, characterized in that: symmetrical fixedly connected with third mounting panel (36), two around the top that unloader includes first mounting panel (2) have the side third mounting panel (36) of symmetry rotate a plurality of unloading roller (37) that are connected with array distribution jointly in third mounting panel (36) inboard, the rear end fixedly connected with fourth gear (38) of unloading roller (37), a plurality of the common transmission of fourth gear (38) is connected with second belt (39), is located the front end fixedly connected with third motor (40) on the outer wall of second mounting panel (31), the output shaft and the unloading roller fixed connection on the rightmost side of third motor (40).
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