| 摘要 |
PURPOSE: A roller conveyer is provided to produce wire rod coils of high quality and stably transfer the coils by uniformly performing heat treatment and improving shapes of final coiling coils during production of air cooled materials, and preventing load of transfer motor and breakage of power transmission chain during production of slow cooled materials. CONSTITUTION: The wire rod coil two step type roller conveyer is characterized in that transfer rollers repeatedly and sequentially drives vertically moving rollers(5A) and fixed rollers(5B), a driving shaft and heat conduction preventing grooves are circumferentially formed in lines on the rollers at both sides of the vertically moving rollers(5A) and fixed rollers(5B), chains(CH) are sequentially connected to power transmission sprockets(SP,SP') so as to transmit power to a plurality of rollers by a motor, the moving rollers(5A) are connected to both directional body parts by holders, the fixed rollers(5B) is coupled to the body parts connected to end parts(5B-1) and covers, buffer springs are inserted into hydraulic cylinder rods in both directions of a body lower part(5A-5) coupled to the body parts, hydraulic cylinders(11-1 to 11-3) to which solenoid for controlling(SO) is connected, and which drive the moving rollers(5A) are installed at end parts of the buffer springs, and a conveyor side wall(14) which is installed on the side surface of lubricant receivers, on the upper part of which moving roller holes and fixed roller holes are formed, and which is integrally equipped at a fixed stand of holes of a safety cover(13) so that the moving rollers(5A) is arranged in two step according to types of coil.
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