Rewinding Machine common fault - The platen roller does not move
1. Proportional valve is unstable. - Clean the proportional valve or replace the proportional valve to adjust the amplification signal.
2. Control failure - on-site debugging of the instrument.
Rewinding Machine operation safety regulations -
Second, the operation steps：
1. According to the production order of the day, the squad leader is responsible for arranging the material production (base paper, packaging materials, paper core);
2. Check whether the quality of the original paper texture, color, tension, elongation and other products meet the product requirements.
3. Put the original paper on the paper-removing shaft and the shaft plug must be locked. The 1575 rewinding machine is assisted by the handyman to push the original paper to the unloading frame and push it into the positioning slot. The 2900 rewinding machine uses the cylinder to lift the paper. Push the rear frame into the positioning groove of the rear frame (when the iron shaft is pushed into the positioning groove, pay attention to safety), and adjust the left and right position. When replacing the base paper, the shaft stalk and the plug must be removed with both hands and placed on the ground. It is strictly forbidden to throw or fall on the ground, and damage the floor or hurt the person;
Rewinder mechanical structure and control process ---
Second, the main structure of the winder
2.4 Pressure mechanism
1, the platen roller
First, in the rewinder system, the platen roller has a significant impact on the tightness control of the paper roll. Among them, the pressure adjusting mechanism plays a role of keeping the pressure of the paper roll and the supporting roll nip constant, and the main purpose is to prevent the paper roll from slipping or being wound too tight at the beginning of the work. The paper roll slips because the paper roll is too light, and the winding is too tight because the pressure is too high until the rewinding to the later stage. In the modern rewinder system, the platen roller is automatically controlled, so that the paper can be additionally applied. The force.
2. Hydraulic (air pressure) suspension mechanism
Under normal circumstances, the adjustable pressure actuators use hydraulic suspension scale mechanism. We install a potentiometer attached to the platen roller to display the diameter of the finished paper roll, which is sent through the potentiometer. The signal is transmitted to the pressure program control unit to calculate the pressure, so that the oil pressure in the suspension scale can be changed, thereby achieving pressure control of the platen roller.
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