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CN-122007156-A - Automatic cold rolling mill is used in steel band processing that possesses trimming function

CN122007156ACN 122007156 ACN122007156 ACN 122007156ACN-122007156-A

Abstract

The invention provides a cold rolling mill with an edge trimming function for processing an automatic steel belt, which belongs to the technical field of cold rolling equipment and comprises a frame, a cold roller set, an edge trimming sleeve plate, a guide assembly, a frosting assembly and a cleaning assembly; the cold roll set is arranged on the frame, the trimming sleeve plates are arranged on the left side and the right side of the frame in a mirror image mode, the guide assembly is arranged on the trimming sleeve plates in a mirror image mode and abuts against the side edges of the steel belt to achieve transverse limiting of the steel belt, the grinding assembly is arranged on the trimming sleeve plates and located on the side, far away from the frame, of the guide assembly and is a core component for grinding the side portions of the steel belt, the cleaning assembly is arranged on the trimming sleeve plates and located on the side, far away from the frame, of the grinding assembly, when the cleaning assembly works, the first driving piece is started to drive the rotating wheel to rotate at a high speed, the grinding assembly moves circularly to form dynamic friction with the edge of the steel belt, burrs and flashes of the edge of the steel belt are removed rapidly, compared with traditional static friction grinding, grinding efficiency is improved, and the flatness of the side portions of the polished steel belt is higher.

Inventors

  • Cui Fagang
  • WANG YONGKANG

Assignees

  • 河北胜华钢管有限公司

Dates

Publication Date
20260512
Application Date
20260403

Claims (10)

  1. 1. An automatic cold rolling mill for processing steel strip with trimming function, which is characterized by comprising: a frame (1); the cold roll set (2) is arranged on the frame (1) and is used for processing the steel belt; The trimming sleeve plate (3) is arranged at the left side and the right side of the frame (1) in a mirror image mode; The guide assembly (4) is arranged on the trimming sleeve plate (3) in a mirror image mode and used for limiting the steel belt; The grinding component (5) is arranged on the trimming sleeve plate (3) in a mirror image mode and is positioned on one side, away from the frame (1), of the guide component (4); the cleaning component (6) is arranged on the trimming sleeve plate (3) in a mirror image mode and is positioned on one side, away from the frame (1), of the grinding component (5); wherein the sanding assembly (5) comprises: A first driving member (51) mounted on the trimming sleeve plate (3); the rotating wheel (52) is fixed at the output end of the first driving piece (51), a concave groove (521) is formed in the peripheral surface of the rotating wheel (52) and used for inserting a steel belt, and friction grains are arranged on the bottom wall of the concave groove (521) and used for polishing the edge of the steel belt.
  2. 2. The cold rolling mill for automatic steel strip processing with trimming function according to claim 1, wherein the trimming sleeve plate (3) comprises a lifting sleeve (31) and a telescopic sleeve (32), a second driving piece (7) is arranged at the top end of the frame (1), a screw rod (8) is connected to the output end of the second driving piece (7), a guide rail (9) is arranged on one side of the frame (1), the lifting sleeve (31) is arranged on the guide rail (9) and is in threaded connection with the screw rod (8), and the telescopic sleeve (32) is arranged in a cavity of the lifting sleeve (31) through a third driving piece (10).
  3. 3. The cold rolling mill for automatic steel strip processing with trimming function as set forth in claim 2, wherein a limit groove (321) is formed in one side wall of the telescopic sleeve (32), a communication groove (322) is formed in the limit groove (321), a threaded top groove (323) is communicated in the communication groove (322), the guide assembly (4) is placed in the communication groove (322), and a fastener (12) is screwed into the threaded top groove (323), so that the guide assembly (4) is abutted against the limit groove (321).
  4. 4. The cold-rolling mill for automatic steel strip processing with trimming function as set forth in claim 2, wherein an air suction port (324) is formed in a side wall of the telescopic sleeve (32), a through hole (311) is formed in a side wall of the lifting sleeve (31), and an air suction pipeline is connected with the air suction port (324) through the through hole (311), so that most of scraps can be sucked away.
  5. 5. The cold rolling mill for automatic steel strip processing with trimming function according to claim 2, wherein the cleaning assembly (6) comprises an upper chip cleaning assembly (61) and a lower chip cleaning assembly (62), the upper chip cleaning assembly (61) and the lower chip cleaning assembly (62) are installed on the trimming sleeve plate (3) in a mirror image mode, the upper chip cleaning assembly (61) comprises a squeeze roller (611) and a chip cleaning part (612), the squeeze roller (611) is rotatably installed on a fixed plate (613), the fixed plate (613) is connected with the telescopic sleeve (32) through a telescopic rod (614), a top spring (615) is sleeved on the periphery of the telescopic rod (614), a rotating shaft of the squeeze roller (611) penetrates through the fixed plate (613) and is connected with a rotating disc (616), a boss (6161) is arranged at an eccentric position of the rotating disc (616), the chip cleaning part (612) is installed on the lifting sleeve (31) plate, and the boss (6161) is connected with the rotary rod (612) through the telescopic rod (614) in a rotating mode when the squeeze roller (612) rotates.
  6. 6. The cold rolling mill for machining automatic steel strips with trimming function as set forth in claim 5, wherein the scrap sweeping part (612) comprises a fourth driving piece (6121), a ratchet assembly (6122) and a scrap sweeping strip (6123), the fourth driving piece (6121) is installed on the lifting sleeve (31) plate, the output end of the fourth driving piece (6121) is connected with the scrap sweeping strip (6123) through the ratchet assembly (6122), a connecting block (6124) is fixed on the ratchet assembly (6122), the connecting block (6124) is hinged with the connecting rod (617), the top view of the scrap sweeping strip (6123) is of an S shape, and a scrap sweeping brush is adhered to the scrap sweeping strip (6123).
  7. 7. The cold rolling mill for automatic steel strip processing with trimming function as set forth in claim 5, wherein a scrap removing roller (618) is further rotatably connected to the fixing plate (613), a circle of scrap removing brush is adhered to the peripheral surface of the scrap removing roller (618) for sweeping scraps on the outer surface of the extrusion roller (611), a center shaft of the scrap removing roller (618) penetrates through the fixing plate (613), pulling grooves are formed in the center shafts of the rotating plate (616) and the scrap removing roller (618), and a belt (619) is sleeved in the pulling grooves.
  8. 8. The cold-rolling mill for automatic steel strip processing with trimming function as set forth in claim 6, wherein a plurality of mounting openings (312) are provided on the lifting sleeve (31), and the fourth driving member (6121) is fixed on the lifting sleeve (31) by tightening a fastener (12) in the mounting openings (312).
  9. 9. The cold-rolling mill for automatic steel strip processing with trimming function as set forth in claim 6, wherein the initial angles of the scrap-sweeping strip (6123) positioned at the left side of the frame (1) and the scrap-sweeping strip (6123) positioned at the right side of the frame (1) are different, so that scraps of the steel strip can be alternately swept, and interference in the rotating process is avoided.
  10. 10. The cold rolling mill for automatic steel strip processing with trimming function as set forth in claim 9, wherein a synchronizing mechanism (13) is arranged between two groups of upper scrap sweeping assemblies (61) and between two groups of lower scrap sweeping assemblies (62), the synchronizing mechanism (13) comprises a meshing tooth (131), a synchronizing shaft (132) and a synchronizing gear (133), a hollow groove (6111) is formed in one side of the squeeze roller (611), the meshing tooth (131) is circumferentially arranged on the side wall of the hollow groove (6111), the synchronizing shaft (132) penetrates through the fixing plates (613) on the left side and the right side, and the synchronizing gear (133) is fixed at two ends of the synchronizing shaft (132) and meshed with the meshing tooth (131).

Description

Automatic cold rolling mill is used in steel band processing that possesses trimming function Technical Field The invention belongs to the technical field of cold rolling equipment, and particularly relates to a cold rolling mill with a trimming function for automatic steel strip processing. Background The cold rolling technology is used as a core technology in the fields of precise metal material processing and steel product production, and the processing precision and the quality of finished products directly determine the application value of the steel strip product. In the cold rolling process of the steel strip, burrs, poor flatness and other problems are easily generated at the edge of the steel strip due to factors such as rolling stress, equipment gaps and the like, if the edge is not effectively trimming, the subsequent deep processing procedures such as cutting, welding and bending of the steel strip can be affected, the product is easily scrapped due to edge defects, and the production efficiency and economic benefit are greatly reduced. The prior art has a cold rolling mill (authorized bulletin number CN 121289250B) with a trimming function for processing an automatic steel belt, the cold rolling mill drives a gear to rotate through a shaft sleeve at the end of a driving roller, the gear and a side toothed plate are meshed to drive to vertically move, then a clamping plate is driven to move, the inner side of the clamping plate is utilized to polish two sides of the steel belt by a sanding strip, trimming is realized, a miniature telescopic rod, a locking strip and a locking groove are configured to control the trimming function to start and stop, the moving stroke is limited by a limiting plate at the bottom of a sliding shaft, and a pressure spring is utilized to realize component reset, so that the stability of the trimming process is improved to a certain extent, and the problems of inconvenient control of the trimming function start and stop and the defect of component reset reliability of the traditional cold rolling mill are solved. The cold rolling mill disclosed by the patent still has a plurality of technical defects in trimming structure and matched design, firstly, the cold rolling mill adopts a static friction trimming mode that the grinding strip is attached to and polished, the polishing efficiency is low, the grinding strip is easy to wear, the polishing effect is easy to decay along with the use time, and the trimming effect is poor; secondly, the cold rolling mill is not provided with a special steel plate anti-offset device, the steel belt is easy to laterally offset due to factors such as rolling traction force, polishing reaction force, equipment operation vibration and the like in the continuous moving process of synchronous cold rolling and trimming, the relative position deviation of the clamping plate and the steel belt edge is easy to occur, the situation that the edge is not polished uniformly and the local area is not polished is caused, the trimming precision is seriously reduced, thirdly, the cold rolling mill lacks a special cleaning device for polishing scraps, metal scraps generated in the polishing process are easy to adhere to the surfaces of the steel belt, the edges and rolling parts such as active winding rollers and auxiliary rollers of equipment, if scraps are not cleaned timely, the surfaces of the steel belt are scratched, the smoothness of the steel belt is influenced, equipment parts are worn due to entering a roller body gap, the service life of the cold rolling mill is reduced, and meanwhile, the scraps accumulation can interfere the normal continuous operation of the trimming and the rolling process. Based on the above problems, the applicant of the present application has filed a design of an automatic cold rolling mill for processing a steel strip having a trimming function. Disclosure of Invention The invention aims to provide an automatic cold rolling mill with a trimming function for processing steel belts, which solves the technical problems that in the prior art, a cold rolling mill has low trimming and polishing efficiency, the trimming precision is poor due to easy deflection of the steel belts, and polishing scraps do not have special cleaning devices to influence the product quality and the service life of equipment. In order to achieve the above purpose, the invention adopts the technical scheme that the cold rolling mill for processing the automatic steel strip with the trimming function comprises the following components: A frame; The cold roll set is arranged on the frame and is used for processing the steel belt; The trimming sleeve plate is arranged at the left side and the right side of the frame in a mirror image mode; The guide assembly is arranged on the trimming sleeve plate in a mirror image mode and used for limiting the steel belt; the polishing assembly is arranged on the trimming sleeve plate in a mirror image mode and is