Hot rolled steel finish rolling device and finish rolling process for rolled steel production

Abstract

The invention relates to the technical field of steel rolling, in particular to a hot-rolled steel finish rolling device and a finish rolling process for rolled steel production, the hot-rolled steel finish rolling device comprises symmetrically arranged lifting plates, supporting plates are fixedly mounted on the lifting plates, and symmetrically arranged rollers are rotatably mounted on the lifting plates; the driving assembly is arranged on the lifting plate, the lifting plate is further provided with a pressing and cutting mechanism connected with the driving assembly, and the pressing and cutting mechanism is connected with a cutting knife; the intermittent conveying mechanism is arranged on the lifting plate and connected with the driving assembly, and the intermittent conveying mechanism can act when the driving assembly moves so as to convey the steel rolled by the roller in the horizontal direction; and the tensioning mechanism is arranged on the lifting plate and used for adjusting the tensioning degree of rolled steel, when the steel is cut, it can be ensured that the steel cannot be stacked and bent due to fixation through the tensioning mechanism, and therefore the steel rolling effect is ensured.

Description

Technical Field

[0001] The invention relates to the technical field of steel rolling, in particular to a hot rolled steel finishing device and a finishing process for steel rolling production. Background Art

[0002] Steel rolling refers to the process of changing the shape of steel ingots and billets through rotating rollers. The purpose of steel rolling is the same as other pressure processing. On the one hand, it is to obtain the required shape, such as steel plates, strips, wires and various steel sections; on the other hand, it is to improve the internal quality of steel.

[0003] According to the rolling temperature, it can be divided into hot rolling and cold rolling; according to the relative movement relationship between the rolled piece and the roller during rolling, it can be divided into longitudinal rolling and transverse rolling; according to the forming characteristics of the rolled products, it can be divided into general rolling and special rolling. Rolling, like other processing, is to cause plastic deformation of the metal to make steel with a certain shape.

[0004] When steel is rolled, it is usually necessary to cut it at equal intervals. The existing method is generally to cut it directly with a cutter. Since the cut steel is always in a moving state, the cutting angle and size may deviate. If the steel is fixed first and then cut, since the steel is always in a rolling state, the fixed steel may be piled up and bent, resulting in poor subsequent product quality. Summary of the invention

[0005] The object of the present invention is to provide a hot rolled steel finishing device and a finishing process for steel rolling production to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions: A hot rolled steel finishing device, comprising: A lifting and supporting plate is symmetrically arranged, a supporting plate is fixedly mounted on the lifting and supporting plate, and rollers symmetrically arranged are rotatably mounted on the lifting and supporting plate; Also includes: A driving assembly is arranged on the lifting and supporting plate, and a pressing and cutting mechanism connected to the driving assembly is also arranged on the lifting and supporting plate, and a cutting knife is connected to the pressing and cutting mechanism, and the driving assembly can drive the cutting knife to reciprocate in the vertical direction through the pressing and cutting mechanism; An intermittent conveying mechanism, arranged on the lifting plate and connected to the driving assembly, the intermittent conveying mechanism can be activated when the driving assembly moves to convey the steel rolled by the rollers in a horizontal direction; The tensioning mechanism is arranged on the lifting plate and is used for adjusting the tension of the rolled steel.

[0007] As a further solution of the present invention: the driving assembly includes a motor fixedly mounted on the lifting plate, a transmission rod connected to the output shaft of the motor is rotatably mounted on the lifting plate, and symmetrically arranged cams are fixed on the transmission rod.

[0008] As a further solution of the present invention: the pressing and cutting mechanism includes guide columns fixedly mounted on the support plate and symmetrically arranged, guide sleeves are slidably mounted on the guide columns, a third spring abutting against the guide sleeve is sleeved on the guide columns, and a support assembly connected to the cam is provided on the guide sleeve.

[0009] As a further solution of the present invention: the supporting assembly includes a connecting plate fixedly mounted on the side wall of the guide sleeve, a limiting wheel symmetrically arranged and abutting against the cam is fixed on the connecting plate, a receiving rod fixedly connected to the cutting knife is fixed on the connecting plate, and a pressure stabilizing structure is arranged on the connecting plate.

[0010] As a further solution of the present invention: the voltage stabilizing structure comprises a supporting sleeve fixedly mounted on the connecting plate and symmetrically arranged, a supporting rod is slidably mounted in the supporting sleeve, a pressing plate is fixed to one end of the supporting rod away from the supporting sleeve, and a through groove cooperating with the cutting knife is formed on the pressing plate; It also includes a slot on the support sleeve, a limit block slidably connected to the slot is fixed on the support rod, a second spring is sleeved on the support sleeve and the support rod, and two ends of the second spring are respectively in contact with the pressure plate and the connecting plate.

[0011] As a further solution of the present invention: the intermittent conveying mechanism includes an incomplete gear fixedly mounted on the end of the transmission rod, a rotating rod is rotatably mounted on the side wall of the lifting plate, a complete gear is fixed to the end of the rotating rod, the complete gear is meshed with the incomplete gear, and a driven component connected to the rotating rod is provided on the lifting plate.

[0012] As a further solution of the present invention: the driven assembly includes a conveying roller and a supporting roller rotatably mounted on the lifting plate, and a belt connected to the rotating rod is sleeved on the rotating shaft of the conveying roller.

[0013] As a further solution of the present invention: the tensioning mechanism includes a slide groove provided on the side wall of the lifting plate, a fixing rod is fixed in the slide groove, and a sliding component connected to the slide groove is arranged on the fixing rod.

[0014] As a further solution of the present invention: the sliding assembly includes a sliding block slidably mounted on the fixed rod and slidably connected to the sliding groove, the fixed rod is sleeved with a first spring abutting against the sliding block, and a guide roller is rotatably mounted on the sliding block.

[0015] A finishing process for steel rolling production comprises the following steps: Step 1: Place the steel to be rolled between two rollers and perform finish rolling on the steel under the action of the rollers; Step 2: The finished rolled steel will pass through the tensioning mechanism and the intermittent conveying mechanism, so that the steel is placed above the support plate; Step 3: At this time, the driving component works and drives the intermittent conveying mechanism to move, so that the steel moves a certain distance in the horizontal direction. At the same time, the driving component also drives the pressing and cutting mechanism to move. Under the action of the pressing and cutting mechanism, the steel is first fixed, and then the cutting knife is driven to cut the steel; Step 4: As the rollers continue to roll, the tensioning mechanism ensures that the steel will not be unable to move, resulting in the problem of stacking and folding.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: the present application can fix the steel before cutting and limit its degree of freedom to prevent the deviation of the cutting angle and size of the steel due to displacement during steel cutting; when the driving component moves, the steel is fixed by the pressing and cutting mechanism, and after fixation, the steel is cut by the cutting knife. After the cutting is completed, the driving component can control the subsequent steel to be transported to the cutting position again through the intermittent conveying mechanism to achieve equidistant cutting of the steel. During the cutting process, when the cutting knife cuts the steel, the steel will not move to ensure that the cutting angle of the steel will not be deviated due to the movement of the steel during the cutting process, or the steel will not interfere with the cutting knife due to the movement of the steel, resulting in scratches on the surface of the steel.

[0017] Since the transportation and cutting of steel are achieved by the control of the drive components, the structures are highly correlated, which can ensure the smoothness of the overall processing of steel. It can also avoid the problem of mutual interference between steel transportation and cutting due to errors in the control source or delays in the connection of multiple drive structures serving as power sources when using other separate control sources such as sensors to separately control the transportation and cutting of steel.

[0018] Under the action of the tensioning mechanism, the problem of excessive pulling force on the steel, which causes the steel to be stretched or broken again, can be prevented because the speed at which the conveyor roller conveys the steel is greater than the rolling speed of the rolling roller. The steel at the cutting position can be fixed, and the rolling roller is always in the initial discharging state, which can prevent the steel from stacking and bending between the rolling roller and the conveyor roller, thereby damaging the quality of the steel. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The present invention is a schematic structural diagram of an embodiment of a hot rolled steel finishing rolling device.

[0020] Figure 2 This is a schematic structural diagram from another angle in an embodiment of a hot rolled steel finishing rolling device.

[0021] Figure 3 The present invention is a schematic diagram of the connection relationship among the driving assembly, the intermittent conveying mechanism, and the pressing and cutting mechanism in one embodiment of a hot rolled steel finishing device.

[0022] Figure 4 for Figure 3 A schematic diagram of the enlarged structure at point A in the middle.

[0023] Figure 5 It is a schematic structural diagram of a tensioning mechanism in one embodiment of a hot rolled steel finishing rolling device.

[0024] Figure 6 The diagram is a schematic diagram of the exploded structure of the tensioning mechanism in one embodiment of a hot rolled steel finishing rolling device.

[0025] Figure 7 This is a schematic diagram of the connection relationship between the drive assembly, intermittent conveying mechanism, pressing and cutting mechanism, and cutting knife in an embodiment of a hot rolled steel finishing rolling device.

[0026] Figure 8 for Figure 7 A magnified schematic diagram of the structure at point B in the middle.

[0027] Fig. 9 It is a structural schematic diagram of the pressing and cutting mechanism in one embodiment of a hot rolled steel finishing rolling device.

[0028] Fig.10 It is a schematic diagram of the exploded structure of the pressing and cutting mechanism in one embodiment of the hot rolled steel finishing rolling device.

[0029] In the figure: 1, lifting plate; 101, slide; 2, support plate; 3, roller; 4, fixed rod; 5, sliding block; 6, first spring; 7, guide roller; 8, motor; 9, transmission rod; 10, cam; 11, incomplete gear; 12, rotating rod; 13, complete gear; 14, belt; 15, conveyor roller; 16, support roller; 17, guide column; 18, guide sleeve; 19, connecting plate; 20, limiting wheel; 21, support sleeve; 2101, slot; 22, support rod; 2201, limiting block; 23, second spring; 24, pressure plate; 25, through slot; 26, receiving rod; 27, cutting knife; 28, third spring. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] In addition, when an element in the present invention is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only embodiment.

[0032] See also Figure 1 to Figure 10 In an embodiment of the present invention, a hot rolled steel finishing device comprises: A lifting plate 1 is symmetrically arranged, a support plate 2 is fixedly mounted on the lifting plate 1, and rollers 3 symmetrically arranged are rotatably mounted on the lifting plate 1; Among them, the rollers 3 are used to roll the steel, and the rollers 3 are symmetrically arranged. When the steel needs to be rolled, the steel to be rolled can be placed between the two rollers 3, and the two rollers 3 are controlled to rotate by an external driving source, and the rotation directions are opposite. Under the action of the rollers 3, the steel is rolled into steel of the required thickness. The steel is compressed by the rollers 3, so that the cross-section of the material is reduced and the length is increased, thereby rolling into a product with a certain size, shape and performance.

[0033] Also includes: See also Figure 1-Figure 3 , Figure 7, a driving assembly is arranged on the lifting plate 1, and the driving assembly includes a motor 8 fixedly mounted on the lifting plate 1, a transmission rod 9 connected to the output shaft of the motor 8 is rotatably mounted on the lifting plate 1, and a symmetrically arranged cam 10 is fixed on the transmission rod 9.

[0034] In detail, after the steel rolling is completed, the pressed steel needs to be cut at equal intervals. Therefore, when the steel is transported to the top of the support plate 2, the motor 8 works and drives the transmission rod 9 to rotate, thereby driving the cam 10 to move. Under the action of the cam 10, the pressing and cutting mechanism is driven to move, so that the steel is cut by the cutting knife 27.

[0035] See also Figure 1-Figure 3 , Figure 7-10 The lifting plate 1 is also provided with a pressing and cutting mechanism connected to the driving assembly, and a cutting knife 27 is connected to the pressing and cutting mechanism. The driving assembly can drive the cutting knife 27 to reciprocate in the vertical direction through the pressing and cutting mechanism. The pressing and cutting mechanism includes a guide column 17 fixedly mounted on the support plate 2 and symmetrically arranged, and a guide sleeve 18 is slidably mounted on the guide column 17. A third spring 28 abutting against the guide sleeve 18 is sleeved on the guide column 17, and a support assembly connected to the cam 10 is provided on the guide sleeve 18, wherein the support assembly includes a connecting plate 19 fixedly mounted on the side wall of the guide sleeve 18, and a limiting wheel 20 symmetrically arranged and abutting against the cam 10 is fixed on the connecting plate 19, and the connecting plate A receiving rod 26 fixedly connected to the cutting knife 27 is fixed on 19, and a pressure stabilizing structure is arranged on the connecting plate 19. The above-mentioned pressure stabilizing structure includes a supporting sleeve 21 fixedly installed on the connecting plate 19 and symmetrically arranged, and a supporting rod 22 is slidably installed in the supporting sleeve 21, and a pressure plate 24 is fixed on the end of the supporting rod 22 away from the supporting sleeve 21, and a through groove 25 cooperating with the cutting knife 27 is provided on the pressing plate 24; it also includes a slot 2101 provided on the supporting sleeve 21, and a limit block 2201 slidably connected to the slot 2101 is fixed on the supporting rod 22, and a second spring 23 is sleeved on the supporting sleeve 21 and the support rod 22, and the two ends of the second spring 23 are respectively abutted against the pressure plate 24 and the connecting plate 19.

[0036] It should be noted that, in the initial state, under the action of the intermittent conveying mechanism, the steel is located on the support plate 2, and the third spring 28 is in a compressed state, so that the guide sleeve 18 and the connecting plate 19 are located at the end of the stroke away from the support plate 2. At this time, the limiting wheel 20 and the short axis of the cam 10 abut against each other, and the second spring 23 is also in a compressed state, so that the support rod 22 is located at the end of the stroke away from the support sleeve 21, so that the limiting block 2201 is located at the end of the stroke on the side of the slot 2101. At this time, the distance between the pressing plate 24 and the connecting plate 19 is the largest, and the cutting knife 27 is located between the pressing plate 24 and the connecting plate 19. When it is necessary to cut the steel, at this time, the motor 8 works and drives the cam 10 to rotate through the transmission rod 9. When the long axis of the cam 10 abuts against the limiting wheel 20, the connecting plate 19 is driven to move through the limiting wheel 20, thereby driving the guide sleeve 18 to move along the length direction of the guide column 17 to The spring 28 is compressed, and the guide sleeve 18 and the guide column 17 have a guiding function to ensure that the connecting plate 19 will not deviate during movement. The connecting plate 19 will also drive the supporting sleeve 21 to move, thereby driving the supporting rod 22 to move synchronously through the second spring 23 to drive the pressing plate 24 to move toward the supporting plate 2. The connecting plate 19 will also control the movement of the cutting knife 27 through the receiving rod 26. When the pressing plate 24 moves to abut against the steel material located above the supporting plate 2, the steel material will be fixed between the pressing plate 24 and the supporting plate 2. At this time, the positions of the steel material and the pressing plate 24 are fixed, and the connecting plate 19 continues to move, so that the size of the supporting sleeve 21 and the supporting rod 22 is gradually increased, and the second spring 23 is compressed. The limit block 2201 will also slide in the card slot 2101. At the same time, the connecting plate 19 will also drive the cutting knife 27 to pass through the through slot 25 through the receiving rod 26, so that the fixed steel material can be cut by the cutting knife 27.

[0037] Preferably, when the cutting knife 27 has completed cutting, under the action of the cam 10, the distance between the connecting plate 19 and the supporting plate 2 is minimized. At this time, the transmission rod 9 continues to rotate, so that the long axis of the cam 10 is separated from the limiting wheel 20, the third spring 28 is elastically released, and drives the guide sleeve 18 to move toward the initial position, ensuring that the limiting wheel 20 is always in contact with the cam 10. At the same time, the second spring 23 is elastically released, so that the supporting sleeve 21 moves in a direction away from the supporting rod 22, so that the limiting block 2201 slides along the slot 2101, and the connecting plate 19 will also drive the cutting knife 27 to move through the receiving rod 26, so that the cutting knife 27 returns to between the connecting plate 19 and the pressing plate 24 again. When the limiting block 2201 moves to the end of the slot 2101, the supporting sleeve 21 will drive the supporting rod 22 to move synchronously, so that the pressing plate 24 is separated from the steel. When the transmission rod 9 rotates one circle, the pressing plate 24 and the cutting knife 27 reciprocate once, and the above steps are repeated, thereby realizing the cutting process of the steel.

[0038] Among them, during the steel cutting process, since the steel is fixed between the pressure plate 24 and the support plate 2, the steel will not move when the cutting knife 27 cuts the steel, so as to ensure that during the cutting process, the steel cutting angle will not be deviated due to the movement of the steel, or the steel will not interfere with the cutting knife 27 due to the movement of the steel, resulting in scratches on the surface of the steel. Similarly, after the cutting is completed, the pressure plate 24 will be separated from the steel only after the cutting knife 27 is separated from the steel, thereby ensuring again that the steel cutting quality and size are always within the specified range.

[0039] See also Figure 1-Figure 3 , Figure 7 An intermittent conveying mechanism is arranged on the lifting plate 1 and connected to the driving assembly. The intermittent conveying mechanism can be activated when the driving assembly moves to convey the steel rolled by the rolling roller 3 in the horizontal direction. The intermittent conveying mechanism includes an incomplete gear 11 fixedly installed on the end of the transmission rod 9. A rotating rod 12 is rotatably installed on the side wall of the lifting plate 1. A complete gear 13 is fixed on the end of the rotating rod 12, and the complete gear 13 is meshed with the incomplete gear 11. A driven assembly connected to the rotating rod 12 is arranged on the lifting plate 1, wherein the driven assembly includes a conveying roller 15 and a supporting roller 16 rotatably installed on the lifting plate 1, and a belt 14 connected to the rotating rod 12 is sleeved on the rotating shaft of the conveying roller 15.

[0040] Furthermore, after the steel is finely rolled, the rolled steel can be passed through the tensioning mechanism and between the conveying roller 15 and the supporting roller 16, so that the steel can smoothly fall on the supporting plate 2 when it moves in the horizontal direction. The incomplete gear 11 has part teeth and part no teeth. In the initial state, the toothed part of the incomplete gear 11 is meshed with the complete gear 13. At this time, the pressing plate 24 and the cutting knife 27 are both located above the supporting plate 2. When the steel needs to be cut, the transmission rod 9 rotates and drives the cam 10 to move. Under the action of the third spring 28, the pressing plate 24 and the cutting knife 27 gradually move in a direction away from the supporting plate 2. At the same time, the transmission rod 9 will also drive the incomplete gear 11 to rotate, thereby driving the complete gear 13 to rotate. The complete gear 13 will drive the rotating rod 12 to rotate, thereby driving the conveying roller 15 to rotate through the belt 14. Under the action of the conveying roller 15 and the supporting roller 16, the steel is controlled to move in a direction perpendicular to the conveying roller 15. When the pressing plate When the gear 24 moves toward the support plate 2 and does not fit with the steel, the toothed portion of the incomplete gear 11 separates from the complete gear 13, and the complete gear 13 and the conveying roller 15 no longer rotate. Since the conveying roller 15 and the supporting roller 16 have a certain friction with the surface of the steel, and a damping is arranged on the rotating shaft of the conveying roller 15, during the continuous rolling of the steel, when the conveying roller 15 stops rotating, the size of the steel passing through the conveying roller 15 and the supporting roller 16 will no longer change. At this time, the transmission rod 9 continues to rotate, so that the pressing plate 24 fits tightly with the steel to fix the steel again. At the same time, the cutting knife 27 will cut the fixed steel. After the cutting is completed, the cutting knife 27 and the pressing plate 24 will be separated from the steel in turn. When the cutting knife 27 and the pressing plate 24 are separated from the steel, the toothed portion of the incomplete gear 11 will mesh with the complete gear 13 again, so as to transport the steel again. The above steps are repeated to achieve equidistant cutting of the steel.

[0041] Preferably, through the cooperation of the complete gear 13 and the incomplete gear 11, intermittent and equidistant conveying of steel can be achieved, and the conveying roller 15 and the supporting roller 16 can not only convey the steel, but also lock the position of the steel, ensuring that the cutting size of the steel remains consistent each time. At the same time, since the conveying and cutting of steel are both achieved by the rotation of the transmission rod 9, the structures are highly correlated, which can ensure the smoothness of the overall processing of the steel, and can also avoid the problem of mutual interference between steel transportation and cutting due to errors in the control source when using other separate control sources such as sensors to separately control the conveying and cutting of steel.

[0042] See also Figure 1-Figure 6, a tensioning mechanism is arranged on the lifting plate 1 and is used to adjust the tension of the rolled steel. The tensioning mechanism includes a slide groove 101 opened on the side wall of the lifting plate 1, a fixed rod 4 is fixed in the slide groove 101, and a sliding component connected to the slide groove 101 is arranged on the fixed rod 4, wherein the sliding component includes a sliding block 5 slidably mounted on the fixed rod 4 and slidably connected to the slide groove 101, a first spring 6 abutting against the sliding block 5 is sleeved on the fixed rod 4, and a guide roller 7 is rotatably mounted on the sliding block 5.

[0043] Furthermore, in the initial state, the first spring 6 is in a compressed state, so that the sliding block 5 is located at the end of the stroke facing away from the support plate 2. When the rolled steel needs to be subsequently cut, the steel can be wound around the guide roller 7 and passed between the support roller 16 and the conveying roller 15. When the conveying roller 15 rotates, since its rotation speed is greater than the speed at which the rolling roller 3 rolls the steel, the steel will be pulled, and the traction force on the steel will be transmitted to the guide roller 7, thereby controlling the sliding block 5 to move along the length direction of the slide groove 101 through the guide roller 7. The sliding block 5 will also move along the length direction of the fixed rod 4 and compress the first spring 6 until the conveying roller 15 stops rotating. Since the rolling roller 3 continues to rotate, the rolling of the steel is a continuous process. Therefore, the size of the steel between the rolling roller 3 and the conveying roller 15 will gradually increase. At this time, the first spring 6 is elastically released and drives the sliding block 5 to slide along the length direction of the fixed rod 4, so as to control the rolled steel to be always in a taut state through the guide roller 7.

[0044] Preferably, the position of the guide roller 7 can be adaptively adjusted according to the change of the traction force on the steel, so as to ensure that the rolled steel is always in a taut state, which can prevent the problem of excessive pulling force on the steel due to the conveying rate of the conveyor roller 15 being greater than the rolling rate of the rolling roller 3, causing the steel to be stretched or broken again. The steel at the cutting position can be fixed, and the rolling roller 3 is always in the initial discharging state, which can prevent the steel from stacking and bending between the rolling roller 3 and the conveyor roller 15, resulting in damage to the quality of the steel.

[0045] A finishing process for steel rolling production comprises the following steps: Step 1: placing the steel to be rolled between two rollers 3, and performing finish rolling on the steel under the action of the rollers 3; Step 2: The finished rolled steel will pass through the tensioning mechanism and the intermittent conveying mechanism so that the steel is placed above the support plate 2; Step 3: At this time, the driving component works and drives the intermittent conveying mechanism to move, so that the steel moves a certain distance in the horizontal direction. At the same time, the driving component also drives the pressing and cutting mechanism to move. Under the action of the pressing and cutting mechanism, the steel is first fixed, and then the cutting knife 27 is driven to cut the steel; Step 4: As the roller 3 continues to roll, the tensioning mechanism can ensure that the steel will not be unable to move, resulting in the problem of stacking and folding of the steel.

[0046] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0047] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A hot rolled steel finishing device, comprising: A lifting plate (1) is symmetrically arranged, a support plate (2) is fixedly mounted on the lifting plate (1), and symmetrically arranged rollers (3) are rotatably mounted on the lifting plate (1); It is characterized by further comprising: A drive assembly is arranged on the lifting plate (1); the lifting plate (1) is also provided with a pressing and cutting mechanism connected to the drive assembly; the pressing and cutting mechanism is connected to a cutting knife (27); the drive assembly can drive the cutting knife (27) to reciprocate in a vertical direction through the pressing and cutting mechanism; an intermittent conveying mechanism, arranged on the lifting plate (1) and connected to the driving assembly, the intermittent conveying mechanism being capable of operating when the driving assembly moves, so as to convey the steel rolled by the roller (3) in a horizontal direction; A tensioning mechanism is arranged on the lifting plate (1) and is used to adjust the tension of the rolled steel.

2. A hot rolled steel finishing device according to claim 1, characterized in that: The driving assembly comprises a motor (8) fixedly mounted on the lifting plate (1), a transmission rod (9) connected to an output shaft of the motor (8) being rotatably mounted on the lifting plate (1), and a symmetrically arranged cam (10) being fixed on the transmission rod (9).

3. A hot rolled steel finishing device according to claim 2, characterized in that: The pressing and cutting mechanism comprises a guide column (17) fixedly mounted on the support plate (2) and symmetrically arranged, a guide sleeve (18) being slidably mounted on the guide column (17), a third spring (28) being sleeved on the guide column (17) and abutting against the guide sleeve (18), and a support assembly connected to the cam (10) being arranged on the guide sleeve (18).

4. A hot rolled steel finishing rolling device according to claim 3, characterized in that: The support assembly comprises a connecting plate (19) fixedly mounted on the side wall of the guide sleeve (18), a limiting wheel (20) symmetrically arranged and abutting against the cam (10) being fixed on the connecting plate (19), a receiving rod (26) fixedly connected to the cutting knife (27) being fixed on the connecting plate (19), and a pressure stabilizing structure being arranged on the connecting plate (19).

5. A hot rolled steel finishing rolling device according to claim 4, characterized in that: The pressure stabilizing structure comprises a support sleeve (21) fixedly mounted on the connecting plate (19) and symmetrically arranged, a support rod (22) being slidably mounted in the support sleeve (21), a pressure plate (24) being fixed to one end of the support rod (22) away from the support sleeve (21), and a through slot (25) cooperating with the cutting knife (27) being formed on the pressure plate (24); It also includes a slot (2101) provided on the support sleeve (21), a limit block (2201) slidably connected to the slot (2101) being fixed on the support rod (22), a second spring (23) being sleeved on the support sleeve (21) and the support rod (22), and two ends of the second spring (23) being in contact with the pressure plate (24) and the connecting plate (19) respectively.

6. A hot rolled steel finishing rolling device according to claim 2, characterized in that: The intermittent conveying mechanism comprises an incomplete gear (11) fixedly mounted on the end of the transmission rod (9); a rotating rod (12) is rotatably mounted on the side wall of the lifting plate (1); a complete gear (13) is fixed to the end of the rotating rod (12); the complete gear (13) is meshed with the incomplete gear (11); and a driven component connected to the rotating rod (12) is provided on the lifting plate (1).

7. A hot rolled steel finishing rolling device according to claim 6, characterized in that: The driven assembly comprises a conveying roller (15) and a supporting roller (16) rotatably mounted on the lifting plate (1); a belt (14) connected to the rotating rod (12) is sleeved on the rotating shaft of the conveying roller (15).

8. A hot rolled steel finishing rolling device according to claim 1, characterized in that: The tensioning mechanism comprises a slide groove (101) provided on a side wall of the lifting plate (1), a fixing rod (4) being fixed in the slide groove (101), and a sliding assembly connected to the slide groove (101) being provided on the fixing rod (4).

9. A hot rolled steel finishing rolling device according to claim 8, characterized in that: The sliding assembly comprises a sliding block (5) slidably mounted on the fixed rod (4) and slidably connected to the sliding groove (101); a first spring (6) abutting against the sliding block (5) is sleeved on the fixed rod (4); and a guide roller (7) is rotatably mounted on the sliding block (5).

10. A finishing rolling process for steel rolling production, using the hot rolled steel finishing rolling device according to any one of claims 1 to 9, characterized in that: The following steps are involved: Step 1: placing the steel material to be rolled between two rollers (3), and performing finish rolling on the steel material under the action of the rollers (3); Step 2: The steel after finish rolling will pass through the tensioning mechanism and the intermittent conveying mechanism, so that the steel is placed above the support plate (2); Step 3: At this time, the driving component works and drives the intermittent conveying mechanism to move, so that the steel moves a certain distance in the horizontal direction. At the same time, the driving component also drives the pressing and cutting mechanism to move. Under the action of the pressing and cutting mechanism, the steel is first fixed, and then the cutting knife (27) is driven to cut the steel; Step 4: As the roller (3) continues to roll, under the action of the tensioning mechanism, it can be ensured that the steel will not be unable to move, resulting in the problem of stacking and folding of the steel.

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