The main structure of steel ball rolling production line(2)

In order to ensure rolling accuracy, the rolling mill is also equipped with an axial adjustment mechanism. Install upper and lower guide plates between two rollers. The upper guide plate is fixed on the bracket of the upper crossbeam, and the adjustment of the upper guide plate is manually completed using a screw pressing mechanism. The upper guide plate can also be adjusted for its horizontal plane using four screws. The lower guide plate is fixed on the base with dovetail grooves and clamping bolts, and the height position is adjusted with a cushion plate.

The main transmission includes the main motor, combined gearbox, universal joint shaft and its balancing device. The rolling mill is driven by two universal joint shafts. The length and center distance of the universal joint shaft are determined by the maximum length of the billet. The shortest length of the billet depends on the maximum feed angle of the rolling mill. There is a toothed joint between the shaft end of the rolling mill and the universal joint shaft, which can adjust the phase angle of the rolling mill through the toothed joint. This is very important for spiral hole rolling. A material receiving platform (front end of the rolling mill) is installed between the universal joint shafts. The pneumatic push rod pushes the heated billet into the roll gap through the guide sleeve, and then the rolled piece is bitten into the rolling. After the ball mill steel balls are rolled out, they immediately fall into the water tank behind the machine for quenching and cooling, and are then transported to another hopper by a scraper conveyor.

The feed angle of the steel ball rolling mill with simplified structure is fixed and cannot be adjusted. The billet is fed from one side of the rolling mill, thereby simplifying the frame structure and reducing equipment weight. Side feeding provides more options for universal joint shafts, improves strength, and extends service life. This device is suitable for rolling small diameter steel balls