Search

CN-121988613-A - Rolling structure for hot rolled steel strip production and use method

CN121988613ACN 121988613 ACN121988613 ACN 121988613ACN-121988613-A

Abstract

The invention relates to the technical field of hot rolled steel strip production, in particular to a winding structure for hot rolled steel strip production. The winding structure for hot rolled steel strip production comprises an installation frame, a clamping jaw assembly is arranged on the winding drum, the clamping jaw assembly clamps the end part of the steel strip so that the steel strip can be wound and wound by taking a clamping part as a circle center, the clamping jaw assembly comprises a sector clamping plate for clamping the end part of the steel strip, and the sector clamping plate is provided with a plurality of annular distribution. According to the rolling structure for producing the hot rolled steel strip, when the rotating disc rotates, the end part of the steel strip can be stably positioned in the rolling drum, the probability that the end part of the steel strip loosens and falls off from the rolling drum during rolling is reduced, the stability of the steel strip during winding can be improved, and meanwhile, the potential safety hazard caused by falling off of the end part of the steel strip during rolling can be reduced.

Inventors

  • LAI WENLONG
  • LIU ZISHENG
  • ZHAO ZHENBAO

Assignees

  • 天津金都钢铁有限公司

Dates

Publication Date
20260508
Application Date
20260319

Claims (10)

  1. 1. The rolling structure for the production of the hot rolled steel strip comprises a mounting frame (1), wherein a rolling cylinder (2) for winding the steel strip is arranged in the mounting frame (1), and a pushing plate (3) for discharging the rolled steel strip is further arranged on the mounting frame (1); the method is characterized in that: The winding drum (2) is provided with clamping jaw assemblies (4), the clamping jaw assemblies (4) clamp the end parts of the steel belts so that the steel belts are wound and wound by taking the clamping parts as circle centers, each clamping jaw assembly (4) comprises a plurality of fan-shaped clamping plates (41) used for clamping the end parts of the steel belts, the fan-shaped clamping plates (41) are arranged in a plurality of annular mode, and the clamping of the steel belts with different thicknesses is achieved by adjusting the intervals between the adjacent fan-shaped clamping plates (41); The installation frame (1) is further provided with a thorn removing component (5) for cleaning the steel belt and a shielding component (6) for positioning the steel belt, the thorn removing component (5) comprises a cleaning plate (55) for scraping the end part of the steel belt, and the shielding component (6) comprises a positioning roller (64) in contact with the steel belt.
  2. 2. The winding structure for hot rolled steel strip production according to claim 1, wherein the clamping jaw assembly (4) further comprises a fixed ring (42), a supporting ring (43) connected in a rotating way is installed in the fixed ring (42), a plurality of driving inclined blocks (431) for extruding the fan-shaped clamping plates (41) are fixedly installed on the inner wall of the supporting ring (43), a guiding inclined block (412) connected in a sliding way is sleeved outside the driving inclined block (431), a guiding sheet (411) connected in a fixed way is installed at the top end of the guiding inclined block (412), the top end of the guiding sheet (411) is fixedly connected with the bottom of the fan-shaped clamping plates (41), and an adjusting hydraulic cylinder (421) for adjusting the height of the fixed ring (42) is fixedly arranged between the fixed ring (42) and the mounting frame (1).
  3. 3. The rolling structure for hot rolled steel strip production according to claim 2, wherein a fixed connection mounting ring (44) is sleeved at the bottom end of the rolling barrel (2), a plurality of groups of supporting sheets (441) are fixedly installed at the bottom of the mounting ring (44), each group of supporting sheets (441) comprises two groups, guide rods (442) are fixedly installed between the same groups of supporting sheets (441), and the end parts of the guide rods (442) penetrate through the corresponding guide sheets (411) and are in sliding connection with the guide sheets (411) through holes formed in the side walls of the guide sheets (411); The guide rod (442) is a hexagonal prism, a plurality of return springs (443) are sleeved outside the guide rod (442), one end of each return spring (443) is fixedly connected with a corresponding guide piece (411), and the other end of each return spring (443) is fixedly connected with a corresponding support piece (441).
  4. 4. The rolling structure for hot rolled steel strip production according to claim 3, wherein the center at the top of the installation frame (1) is provided with an installation groove (12), an annular guide rail (121) is fixedly installed in the installation groove (12), a rotating disc (21) connected in a rotating manner is installed in the annular guide rail (121), the center at the top of the rotating disc (21) is of an opening structure, the inner wall of the opening is rotationally connected with the outer wall of the rolling barrel (2), a plurality of evenly distributed sliding grooves (201) are formed in the side wall of the rolling barrel (2), protruding blocks (211) are installed in the sliding grooves (201) in a sliding manner, the end portions of the protruding blocks (211) are fixedly connected with the inner wall of the opening of the rotating disc (21), a plurality of through grooves (202) are formed in the side wall of the rolling barrel (2), and the positions of the through grooves (202) correspond to gaps of two adjacent fan-shaped clamping plates (41) one by one.
  5. 5. The rolling structure for hot rolled steel strip production according to claim 1, characterized in that the bottom end of the rolling tube (2) extends into the installation frame (1) and is sleeved with a supporting disc (22) which is connected in a rotating way, a driving hydraulic cylinder (221) is fixedly arranged between the supporting disc (22) and the installation frame (1), a protection cover (222) is fixedly arranged at the top of the supporting disc (22), a driving gear (23) which is connected in a rotating way is arranged between the protection cover (222) and the supporting disc (22) through a rotating shaft, a linkage gear (231) which is connected in a meshed way is arranged outside the driving gear (23), and a motor for controlling the driving gear (23) to rotate is fixedly arranged at the bottom of the supporting disc (22).
  6. 6. The rolling structure for hot rolled steel strip production according to claim 1, wherein the stab removal assembly (5) further comprises a bottom shell (51), a through hole (11) for installing the bottom shell (51) is formed in the top of the installation frame (1), the top of the bottom shell (51) and the top of the installation frame (1) are positioned on the same horizontal plane, symmetrically distributed supporting plates (52) are fixedly installed on the top of the bottom shell (51), guide rollers (521) are rotatably installed in the supporting plates (52) on two sides, an adapter plate (53) is inserted into the top of the supporting plates (52) through bolts, the adapter plate (53) is fixedly connected with the supporting plates (52) through nuts, a sliding frame (531) which is in sliding connection is inserted into the top of the adapter plate (53) through a through hole, a switching frame (54) is fixedly installed at the bottom end of the sliding frame (531), a horizontal rod (541) is fixedly installed in the switching frame (54), and a sliding plate (552) is sleeved outside the horizontal rod (541); the cleaning plates (55) comprise two cleaning strips and are symmetrically distributed, the outer parts of the cleaning plates (55) are fixedly connected with the end parts of the corresponding sliding plates (552), and cleaning strips (551) are fixedly installed on the end sides of the opposite faces of the cleaning plates (55) on two sides.
  7. 7. The rolling structure for hot rolled steel strip production according to claim 6, wherein a plurality of vertical springs (532) are sleeved outside the sliding frame (531), one end of each vertical spring (532) is fixedly connected with the sliding frame (531), the other end of each vertical spring (532) is fixedly connected with the adapter plate (53), a plurality of horizontal springs (542) are sleeved outside the horizontal rod (541), one end of each horizontal spring (542) is fixedly connected with the sliding plate (552), and the other end of each horizontal spring (542) is fixedly connected with the adapter frame (54).
  8. 8. The rolling structure for hot rolled steel strip production according to claim 1, characterized in that the shielding assembly (6) further comprises a vertical guide rail (61), the vertical guide rail (61) is fixedly installed at the top of the installation frame (1), a plurality of sliding blocks (621) which are in sliding connection are inserted into the vertical guide rail (61), the same supporting frame (62) is fixedly installed among the sliding blocks (621), and the supporting frame (62) is rotationally connected with the positioning roller (64) through a shaft rod; The end fixed mounting that braced frame (62) was kept away from to slider (621) has protruding pole (622), the tip of protruding pole (622) extends outside vertical guide rail (61) and overlaps and be equipped with threaded connection's screw thread section of thick bamboo (63), one end fixed mounting that screw thread section of thick bamboo (63) is close to slider (621) has extrusion board (631), just the outer wall of extrusion board (631) offsets with the outer wall of vertical guide rail (61), just the one end that vertical guide rail (61) was kept away from to screw thread section of thick bamboo (63) is closed structure.
  9. 9. The rolling structure for hot rolled steel strip production according to claim 1, wherein a mounting seat (7) fixedly connected with one side of the top of the mounting frame (1) close to the pushing plate (3) is mounted, and a pushing hydraulic cylinder (71) for driving the pushing plate (3) is arranged between the mounting seat (7) and the pushing plate (3) through a rotating sleeve fixing frame.
  10. 10. A method of using the rolling structure for hot rolled steel strip production according to any one of claims 1 to 9, characterized by comprising the steps of: Before use, the height of the positioning roller (64) is adjusted according to the width of the rolled steel strip to ensure that the outer wall of the positioning roller can smoothly prop against the top of the rolled steel strip after the steel strip stands up, so that the positioning roller (64) can position the top of the rolled steel strip in the later period, and the outer wall of the rolled steel strip coil is more regular; when in use, a worker uses a clamp to pull the end part of the steel belt into the clamping jaw assembly (4) through the stab removing assembly (5); Controlling the fan-shaped clamping plate (41) in the clamping jaw assembly (4) to move so as to clamp the end part of the steel belt, and enabling the winding drum (2) to rotate so as to realize the winding work of the steel belt; step four, the thorn removing assembly (5) can convert acting force generated when the steel belt moves into vibration force for the cleaning strip (551) in the steel belt winding process, so that the cleaning strip can scrape burrs at the top and the bottom of the steel belt; After the winding of the steel belt is completed, the clamping of the fan-shaped clamping plate (41) on the end part of the steel belt can be released, then the winding drum (2) is controlled to move downwards, and the blocking limit on the moving track of the steel belt in the horizontal direction is released; and step six, controlling a pushing hydraulic cylinder (71) to drive a pushing plate (3) to swing, and outwards stirring the rolled steel strip coil to discharge.

Description

Rolling structure for hot rolled steel strip production and use method Technical Field The invention relates to the technical field of hot rolled steel strip production, in particular to a winding structure for hot rolled steel strip production. Background The hot rolled steel strip (Hot Rolled STEEL STRIP) refers to a rolled steel sheet having a thin thickness and a narrow width, which is produced by a hot rolling process, and is generally classified into a narrow strip and a wide strip by width. The narrow strip steel has the width of 600mm or less and the thickness of 12mm or less, and is used in producing welded pipe, bicycle, hardware, etc. The width of the wide strip steel is above 600mm, and the thickness range is wide and can be from extremely thin 1.0mm to over 20mm. The material has very wide application, and is a common raw material in the industries of automobiles, ships, bridges, pressure vessels and the like. It is a steel coil product obtained by heating a billet (slab or continuous casting) to austenitizing temperature (usually higher than 1000 ℃), then continuously rolling by a series of rough rolling and finish rolling frames, and finally coiling at high temperature (usually 500-750 ℃) by a coiling machine. When the existing winding structure winds the steel strip, a worker is required to manually use pliers to clamp and pull the end part of the steel strip after hot rolling, when the end part of the steel strip moves into the winding structure, the worker is often required to bend the end part of the steel strip to a certain extent, the contact area between the end part of the steel strip and the winding structure is increased, and then the winding structure is controlled to wind; When the winding is carried out, the follow-up steel belt is pulled and wound through the friction force between the winding structure and the steel belt, and the mode of pulling the steel belt through the friction force reduces the stability of pulling the end part of the steel belt when the winding is carried out, so that the probability of falling off of the end part of the steel belt when the device rotates is increased, and meanwhile, the potential safety hazard of workers during operation is also increased. Therefore, there is a need to provide a new winding structure for hot rolled steel strip production that solves the above-mentioned technical problems. Disclosure of Invention In order to solve the technical problems, the invention provides a winding structure for hot rolled steel strip production. The rolling structure for producing the hot rolled steel strip comprises an installation frame, wherein a rolling cylinder for winding the steel strip is arranged in the installation frame, and a pushing plate for blanking the rolled steel strip is further arranged on the installation frame; The winding drum is provided with clamping jaw assemblies, the clamping jaw assemblies clamp the end parts of the steel belts so that the steel belts are wound and wound by taking the clamping parts as circle centers, the clamping jaw assemblies comprise sector clamping plates for clamping the end parts of the steel belts, the sector clamping plates are provided with a plurality of annular distribution, and the clamping of the steel belts with different thicknesses is realized by adjusting the interval between the adjacent sector clamping plates; The installation frame is also provided with a thorn removing assembly for cleaning the steel belt and a shielding assembly for positioning the steel belt, the thorn removing assembly comprises a cleaning plate for scraping the end part of the steel belt, and the shielding assembly comprises a positioning roller contacted with the steel belt. Preferably, the clamping jaw assembly further comprises a fixed ring, a supporting ring connected in a rotating mode is installed in the fixed ring, a plurality of driving inclined blocks for extruding the fan-shaped clamping plates are fixedly installed on the inner wall of the supporting ring, a guiding inclined block connected in a sliding mode is sleeved outside the driving inclined block, a guiding sheet connected in a fixed mode is installed on the top end of the guiding inclined block, the top end of the guiding sheet is fixedly connected with the bottom of the fan-shaped clamping plates, and an adjusting hydraulic cylinder for adjusting the height of the fixed ring is arranged between the fixed ring and the installing frame in a fixed mode. Preferably, the bottom end of the winding drum is sleeved with a fixedly connected mounting ring, the bottom of the mounting ring is fixedly provided with a plurality of groups of supporting sheets, each group of supporting sheets comprises two supporting sheets, guide rods are fixedly arranged between the supporting sheets in the same group, and the end parts of the guide rods penetrate through the corresponding guide sheets and are in sliding connection with the guide sheets through holes formed