Working principle of cold rolling forming machine
Apr 28,2022
The cold rolling forming machine consists of a working mechanism and a transmission mechanism, including:
① The working mechanism of the cold rolling forming machine consists of a frame, rollers, roller bearings, roller adjusting mechanism, guiding device, rolling seat, etc.
② The transmission mechanism consists of a gear rack, reducer, roller, coupling shaft, coupling, etc.
Rolling mill group introduction:
The installation method and structure of the cold rolling forming machine are the same. The main drive part adopts the structure of "motor → reducer → universal shaft → rolling mill". Both rolling mills are horizontal rolling mills, with rollers installed horizontally. The cold rolling forming machine adopts a gantry arch, and the roller ring is set on the roller shaft and fixed with nuts. Bearings are installed at both ends of the roller shaft. They are installed in the middle of the gantry frame. The bearing seat and the gantry arch frame are installed together. The rollers are horizontally fixed in the middle of the gantry frame, and the upper and lower rollers are installed in the middle of the gantry frame in the same way. The primary unequal diameter rolling mill flattens the raw material, and the secondary forming rolling mill extrudes the double-sided ribbed steel bar with a crescent shape, and adjusts the workpiece by twisting the guide rail to achieve the elliptical workpiece after the primary rolling. Finished steel bars are produced through rolling.
The cold rolling forming machine uses a motor to drive the steel bar, and the supporting rollers and working rollers of the cold rolling forming machine apply force to both sides of the steel bar. The purpose of rolling cold-rolled ribbed steel bars of different diameters is achieved by changing the gap between the two rollers.
① Bearing roller: The bearing roller of the cold rolling forming machine is closest to the frame. When producing ribbed steel bars, this roller plays the role of supporting the steel bar, making the weight of the steel bar and the working roller evenly distributed. It is distributed on the supporting roller, so that the lower surface of the steel bar has ridges.
② Working roller: The working roller of the cold rolling forming machine is at the top of the supporting roller and farthest from the frame, so during production, the roller mainly plays the role of rolling the steel bar supported by the supporting roller. Ribbed steel bar, making the upper surface of the steel bar ribbed.
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