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CN-121972513-A - High-precision galvanized iron plate continuous rolling device and method

CN121972513ACN 121972513 ACN121972513 ACN 121972513ACN-121972513-A

Abstract

The invention relates to the field of plate processing, in particular to a high-precision galvanized iron plate continuous rolling device and a high-precision galvanized iron plate continuous rolling method, which comprise a processing plate, wherein a bearing on the processing plate is provided with a supporting roller, the processing plate is provided with a lifting assembly, the output end of the lifting component is provided with a cold roller matched with the supporting roller, the processing plate is provided with a supporting frame, and the supporting frame is provided with an induction component for inducing the surface temperature of the iron plate. The invention can realize the cooling effect on the supporting roller and the cold roller during normal use, changes the spraying angle and the pressure of cooling water by sensing the temperature of the iron plate when the temperature is abnormal, realizes the pre-cooling effect on the iron plate, ensures that the iron plate enters the cold rolling temperature range between the supporting roller and the cold roller, realizes the aim of continuous cold rolling of the iron plate, greatly improves the cold rolling effect, improves the high-precision processing capability and improves the integral processing efficiency.

Inventors

  • CHEN CHAODONG
  • ZHU YUELONG
  • TANG ZHIWU

Assignees

  • 赣州东鑫五金机电有限公司

Dates

Publication Date
20260505
Application Date
20260325

Claims (10)

  1. 1. The high-precision galvanized iron sheet continuous rolling device is characterized by comprising a processing plate (1), wherein a supporting roller (2) is arranged on an upper bearing of the processing plate (1), a lifting assembly (3) is arranged on the processing plate (1), a cold roller (4) matched with the supporting roller (2) is arranged at the output end of the lifting assembly (3), a supporting frame (5) is arranged on the processing plate (1), an induction assembly (6) for sensing the surface temperature of an iron sheet is arranged on the supporting frame (5), a pushing assembly (7) electrically connected with the induction assembly (6) is arranged on the supporting frame (5), a pressurizing assembly (8) connected with the pushing assembly (7) is arranged on the supporting frame (5), a transmission assembly (9) is arranged between the supporting frame (5) and the pushing assembly (7), an adjusting assembly (10) connected with the transmission assembly (9) is arranged on the supporting frame (5), an ejection assembly (11) communicated with the pressurizing assembly (8) is arranged on the adjusting assembly (10), an ejection assembly (11) communicated with the cooling assembly (12) is arranged on the supporting frame (5), when the temperature of the iron plate is abnormal, the pushing component (7) moves to force the spraying component (11) to approach the supporting roller (2) and the cold roller (4), so that the cooling water is sprayed and sputtered on the iron plate, and the pre-cooling effect of the iron plate is realized.
  2. 2. The high-precision galvanized iron sheet continuous rolling device according to claim 1, wherein the lifting assembly (3) comprises a hydraulic lifting rod (301) mounted on the processing plate (1), a lifting plate (302) is arranged at the output end of the hydraulic lifting rod (301), a rotating rod (303) is connected to the lifting plate (302) through a bearing, the cold roller (4) is mounted on the rotating rod (303), and a guide rod (304) penetrating through the processing plate (1) is arranged on the lifting plate (302).
  3. 3. The high-precision galvanized iron sheet continuous rolling device according to claim 2, wherein the induction component (6) comprises a processor (601) arranged on the supporting frame (5), a heat preservation sleeve frame (602) is arranged in the supporting frame (5), a temperature sensor (603) electrically connected with the processor (601) is arranged in the heat preservation sleeve frame (602), and the heat preservation sleeve frame (602) and the temperature sensor (603) are both sleeved on the outer ring of the conveyed iron sheet.
  4. 4. A continuous rolling device for high-precision galvanized iron sheets according to claim 3, characterized in that the pushing assembly (7) comprises an electric push rod (701) mounted on the supporting frame (5), the electric push rod (701) is electrically connected with the processor (601), and a pushing block (702) is arranged at the output end of the electric push rod (701).
  5. 5. The high-precision galvanized iron sheet continuous rolling device according to claim 4, wherein the pressurizing assembly (8) comprises a pressurizing cylinder (801) arranged on the supporting frame (5), a pressurizing piston (802) is arranged in the pressurizing cylinder (801), a pressurizing rod (803) penetrating through the pressurizing cylinder (801) is arranged on the pressurizing piston (802), the pressurizing rod (803) is connected with the pushing block (702), and a pressurizing spring (804) sleeved on the outer ring of the pressurizing rod (803) is arranged between the pressurizing cylinder (801) and the pushing block (702).
  6. 6. The high-precision galvanized iron sheet continuous rolling device according to claim 5, wherein the transmission assembly (9) comprises a transmission straight rack I (901) arranged on the pushing block (702), a transmission gear (902) meshed with the transmission straight rack I (901) is connected to a bearing on the support frame (5), and a transmission straight rack II (903) meshed with the transmission gear (902) is slidably arranged on the support frame (5).
  7. 7. The high-precision galvanized iron sheet continuous rolling device according to claim 6, wherein the adjusting assembly (10) comprises a pull rod (1001) connected to the transmission straight rack II (903), a connecting rod (1002) is hinged to the pull rod (1001), an adjusting rod (1003) is hinged to the supporting frame (5), the adjusting rod (1003) is hinged to the connecting rod (1002), and an adjusting spring (1004) is arranged between the adjusting rod (1003) and the supporting frame (5).
  8. 8. The high-precision galvanized iron sheet continuous rolling device according to claim 7, wherein the ejection assembly (11) comprises a transverse tube (1101) arranged on the adjusting rod (1003), a water diversion tube (1102) is arranged on the transverse tube (1101), a spray nozzle (1103) is arranged on the water diversion tube (1102), and a communicating tube (1104) communicated with the pressurizing cylinder (801) is arranged on the transverse tube (1101).
  9. 9. The high-precision galvanized iron sheet continuous rolling device according to claim 8, wherein the cooling assembly (12) comprises a cooling tank (1201) arranged on the supporting frame (5), cooling water is filled in the cooling tank (1201), a booster pump (1202) communicated with the cooling tank (1201) is arranged on the cooling tank (1201), and an output pipe (1203) communicated with the pressurizing cylinder (801) is arranged at an output end of the booster pump (1202).
  10. 10. The method for continuously rolling high-precision galvanized iron sheet according to claim 9, wherein in use, the conveying system conveys the iron sheet between the supporting roller (2) and the cold roller (4) when the temperature of the iron sheet is normal, at the moment, the cooling assembly (12) is started, so that the cooling assembly (12) conveys cooling water into the pressurizing cylinder (801), the spraying assembly (11) conveys the cooling water onto the supporting roller (2) and the cold roller (4) to realize the cooling effect on the supporting roller (2) and the cold roller (4), the temperature of the iron sheet is higher than that of a cooling area due to the fact that the iron sheet still carries higher waste heat after hot rolling, at the moment, the temperature of the iron sheet is abnormal by the sensing assembly (6), the sensing assembly (6) responds, and a command is sent out, so that the pushing assembly (7) moves, the driving assembly (9) drives the adjusting assembly (10) to move, the adjusting assembly (10) drives the pressurizing assembly (802) and the pressurizing assembly (11) to move, and the pressurizing assembly (802) moves the pressurizing assembly (11) and the pressurizing assembly (802) simultaneously, the pressurizing piston (802) is used for extruding the space of the pressurizing cylinder (801), the output pressure of the spraying assembly (11) is increased, the spray head (1103) is used for spraying cooling water onto the supporting roller (2) and the cold roller (4), the cooling water is sprayed onto the supporting roller (2) and the cold roller (4) in a pressurizing manner, the cooling water is sprayed onto the conveyed iron plate due to the increase of the pressure, and the cooling water simultaneously cools the iron plate, the supporting roller (2) and the cold roller (4), so that the pre-cooling treatment before cold rolling of the iron plate is realized.

Description

High-precision galvanized iron plate continuous rolling device and method Technical Field The invention relates to the technical field of plate processing, in particular to a high-precision galvanized iron plate continuous rolling device and method. Background The galvanized iron plate is also called as a galvanized steel plate, is a metal material with a layer of zinc covered on the surface of iron or steel, is mainly used for preventing a base material from rusting and corroding, has the characteristics of strong corrosion resistance, good performance, bright appearance and the like, and is widely applied to a plurality of fields such as buildings, automobiles and the like. In the prior patent CN215143379U, a hot rolled strip steel roller cooling device is disclosed, the hot rolled strip steel roller cooling device comprises a water separator, the water separator is formed by sealing and welding iron plates at two ends of a circular tube, the length of the water separator is equal to that of a roller body, one row of columnar water nozzles are welded on one side of the circular tube in a punching way, the columnar water nozzles are flat, the circular tube is provided with a rectangular hole welded duckbill water nozzle at the center position of the same side of the columnar water nozzle, the other side of the circular tube is provided with a water inlet, the water inlet is connected with a turbid circulating water branch pipe through a high-pressure hose, the water separator is arranged at the inlet of the roller, the columnar water nozzles are consistent with the duckbill water nozzle in angle, and the cooling angle of the roller is 45 degrees. The hot-rolled strip steel roller cooling device provided by the utility model can be used for improving convexity caused by deformation of the heated roller, so that quality defects of strip steel products are overcome, downtime is reduced, yield is improved, and stable product quality is ensured. In the above-mentioned structure, the cooling effect on the rolls can be achieved for the cold rolling process, but when the iron plate is continuously cold-rolled, the cold roll needs to be continuously cooled to maintain the stable surface temperature, the rolling precision and the surface quality are ensured, meanwhile, in order to realize continuous production, the iron plate is continuously conveyed between the cold rolls, the cold roll also needs to be continuously operated for rolling, however, because the iron plate still carries higher waste heat after hot rolling, even though the iron plate passes through a conventional cooling section, the temperature of the iron plate is still obviously higher than the temperature range required by cold rolling when entering a cold rolling area, the temperature of the cold rolling is difficult to adjust, the cold rolling effect is poor, the high-precision processing capability is reduced, and even continuous production such as shutdown processing of bad products is damaged, and the whole processing efficiency is reduced. Therefore, how to provide a high-precision galvanized iron sheet continuous rolling device and method is a problem that needs to be solved by those skilled in the art. Disclosure of Invention The invention aims to provide a high-precision galvanized iron plate continuous rolling device and a high-precision galvanized iron plate continuous rolling method, the high-precision galvanized iron plate continuous rolling device comprises a processing plate, a supporting roller is arranged on a bearing on the processing plate, a lifting component is arranged on the processing plate, a cold roller matched with the supporting roller is arranged at the output end of the lifting component, a supporting frame is arranged on the processing plate, an induction component for inducing the surface temperature of an iron plate is arranged on the supporting frame, a pushing component electrically connected with the induction component is arranged on the supporting frame, a pressurizing component connected with the pushing component is arranged on the supporting frame, a transmission component is arranged between the supporting frame and the pushing component, an adjusting component connected with the transmission component is arranged on the supporting frame, an ejection component communicated with the pressurizing component is arranged on the adjusting component, and a cooling component communicated with the pressurizing component is arranged on the supporting frame; when the temperature of the iron plate is abnormal, the pushing component moves to force the spraying component to approach the supporting roller and the cold roller, so that the cooling water is sprayed and sputtered on the iron plate, and the pre-cooling effect of the iron plate is realized. Preferably, the lifting assembly comprises a hydraulic lifting rod arranged on the processing plate, the output end of the hydraulic lifting rod is provided with a lifting pl