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Open Type Rotary Screen Printing Machine Drive System

Data:2018-11-14
Abst:...

The transmission system of the Open Type Rotary Screen Printing Machine is mainly composed of the unit drag of the fabric, the auxiliary function transmission and the rotary screen transmission.

1. Unit drag

The unit drag part of the rotary screen printing machine refers to the transmission unit used for dragging or pulling the fabric movement, which is mainly composed of the feed transmission, the feeding super feed drive, the printing belt drive, the drying room conveyor belt transmission and the falling cloth transmission. . Its operational characteristics require that each unit achieve constant tension traction on the fabric and can run at any speed from the speed of the guide to the highest printing speed. In the past, due to the difficulty in adjusting the speed of the AC motor, the DC motor speed was used in the occasions where the speed regulation performance was high. The speed adjustment can be achieved by changing the supply voltage of the DC motor. However, the DC motor has a complicated structure, a large volume, and is difficult to maintain, and the synchronous operation of the unit is complicated. In the 1990s, with the maturity of frequency conversion speed regulation technology, AC speed regulation is gradually replacing DC speed regulation. The unit drag of the rotary screen printing machine adopts frequency conversion speed regulation. The inverter drives the motor and the starting current is small. It can realize soft start and stepless speed regulation, and facilitate acceleration and deceleration control.

2. Auxiliary function transmission

The auxiliary function transmission of the rotary screen printing machine is mainly composed of an exhaust fan, a circulating fan, a slurry pump, a dust suction device, a belt rectification, a conveyor belt rectification, and a belt cleaning brush motor.

3. Circular net drive

The rotary screen drive is the transmission that drives the rotation of the rotary screen and is the core of the entire printing machine. It is required that the circular net and the guide belt should run in a certain synchronous relationship, that is, the guide belt should run 2%0~4%e faster than the rotary net, and the transmission of each rotary screen should be stable, and the transmission precision of the rotary screen transmission directly affects. The precision of the entire printing machine. Since the birth of the rotary screen printing machine and the development of electronic technology, the rotary screen transmission of the rotary screen printing machine has shown the circular network and the conduction belt coaxial collective transmission, the rotary screen and the conduction belt sub-motor transmission, and the rotary screen and the conduction belt are independent. Drive three transmission modes.

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