The papermaking deflection corrector is a deflection correcting device specially used in papermaking machinery. Its main function is to ensure that the paper can keep running straight in the production process and avoid deviation from the track, thereby improving the quality of paper and production efficiency. The deflection corrector is usually used in conjunction with a pneumatic actuator to achieve paper deflection control by controlling the deviation of the felt cloth.
The working principle of the papermaking deflection corrector is mainly to use the rotating object to change the inclination angle to cause the surface object to displace. Specifically, the deflection corrector uses a series of mechanical structures and pneumatic controls to enable the guide roller to deviate through the inflation and exhaust of the airbag when the paper deviates from the normal track, so that the paper returns to the normal operating track. In this process, the role of the contact is to sense the position of the paper, and release or inflate the airbag through the control of the lever and the baffle, thereby driving the deflection corrector to move.
1. Pneumatic actuator
The deflection corrector is often used in conjunction with a pneumatic actuator. The main features of this actuator are low gas consumption, easy installation, precision parts and good anti-corrosion performance.
2. Photoelectric sensor
The working principle of the deflection corrector is to use a photoelectric sensor to detect the edge position of the coil, send the measured position error signal to the controller, and after judgment and processing by the control unit, control the drive motor to correct the deviated coil to the correct position22.
3. Controller
The correction controller is the core of the electronic correction system. It receives the position deviation signal sent by the photoelectric sensor, performs logical operations, and finally sends a control signal to the mechanical actuator to drive the mechanical actuator to perform correction action.
4. Mechanical actuator
The mechanical actuator is the part of the correction device used to implement the correction action. It corrects the serpentine deviation of the material during operation according to the instructions of the controller to ensure the linear movement of the material.
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