Finishing Mill

Structure and characteristics of equipment:
1,Feeding device
The feeding device is a simple feeding rack. Surface laying anti-scratch material for tube blank.
2,Main drive
It is mainly composed of Z4 type DC motor, belt driving device, support and so on. The big belt pulley is driven by a DC motor through a triangle belt pulley on a small belt pulley. The small belt pulley and the main motor are fixed on a base with an adjustable screw to adjust the tightness of the belt.
3,Main case
The reciprocating movement of the main engine head is supported by a guide rail with a triangle rib on one side and a flat guide rail on the other side. The structure of the head box is required to be firm and free from distortion. The guide rail and the head box are connected by reliable positioning. After the head is assembled, the operation is stable and there is no vibration, blocking or deflection, the reciprocating movement center line of the machine head should keep consistent with the rolling center line.
Used for transmission of main engine head, all connecting Rod and pin are made of 45 # steel, big connecting Rod and two rocker are made of 45 # steel plate to ensure bending and tensile strength. The crank pin to which the gear is connected with the big connecting rod is positioned by a cylindrical pin.





4,Rotary feed mechanism
The rotary feed is controlled by Servo Motor. Stepless speed regulation can be carried out, set on the operating table. The screw Rod and the polished rod rotate flexibly, the camber does not exceed 0.5 mm per meter, the working trolley and the bracket run smoothly without blocking.







5,Center part
The middle bed is located between the rotary feeding box and the main box. The bed is equipped with pipe blank chuck, two sets of inner and outer brackets, bearing block, screw Rod, polished Rod, proximity switch, etc. ZQSn6-6-3 copper material is used in the chuck and the slide plate on the bracket.







6,Core Bar and chuck device
The Rod Assembly consists of a plug, a Mandrel and a joint. The plug material is H13, the plug and the Mandrel are connected by welding, the Mandrel Chuck Adopts Manual three-grip Chuck, and the Mandrel is loosened and clamped manually.

7,Discharge bench
The discharging system is composed of roller frame, discharging platform, oil connecting plate and u-shaped aggregate frame. Discharge platform above are equipped with anti-scratch lining board, in order to prevent tube scratch, bruise, play the role of protecting the tube.

8,Process Lubrication System
OIL SYSTEM DESCRIPTION: The oil tank is equipped with two JCB-45 oil pumps, one of which is connected with the oil outlet pipe of the oil pump and the oil inlet pipe of the gearbox to supply lubrication of the gearbox, the other is connected with the oil inlet pipe of the chassis to supply lubrication and cooling of the engine head and chassis.

  9,Electrical System
In order to meet the technological requirements of the rolling mill, the Control Center of the system is PLC, and the alarm will be given when the equipment runs abnormally. The whole electrical control system mainly consists of man-machine interface, host control system, rotary feed control system and auxiliary control system.
Touch screen uses 10-inch industrial control screen. Some necessary parameters of equipment operation are input to PLC through HMI interface, and then realized by PLC controlling the corresponding motor or solenoid valve. When the equipment is running, the PLC collects the fault or alarm information through each controller, sensor and so on, and finally displays it on the man-machine interface. So that the operator can quickly and accurately identify and solve the problem.