Muscle Tape

Muscle Tape

Rewinding Machine operation safety regulations - 

Second, the operation steps:

7. When the layers of paper are completely flat and enter the rewinding, the waste coils are taken out to the normal production state. 8, check the production situation:
(1) Check whether the two ends of the base paper are symmetrical. For example, the auger can adjust the auger on the unloading frame to the ends of the paper. (2) Check whether the punched paper is clear, the punching is not clear or the missing teeth are checked. Whether the knife is broken or not
Whether the wire is loose, adjust the height of the bottom knife, and mass production after inspection;
(3) Check whether the paper feeding tension of the rewinding paper is consistent, keep the paper surface flat and no wrinkles, such as inconsistency
Then adjust the paper return belt hand wheel on the paper exit frame;
(4) Check whether the paper between the embossing stick and the winding area is flat and tight, if it meets the requirements, if it does not meet the requirements,
Then adjust the gearbox handwheel (when adjusting the gearbox handwheel, you can't stop the adjustment, you need to turn it on slowly); (5) Check whether the semi-finished paper roll is tight, the diameter and weight meet the product standard requirements, and the two ends are neat (straight
The deviation of the diameter shall not exceed ±1mm, and the weight deviation shall be within ±2);
(6) Whether the width of the glue seal of the paper ball meets the standard (package standard is 10mm-15mm), the penetration of glue
No more than 3 single-layer papers;
(7) Do not arbitrarily tamper with the inverter, programmed wiring and settings in the electric box; (8) Non-operator operators must not let the machine operate without the consent of the supervisor;

Third,. After the above steps are checked normally, Slowly speed up to normal operation.

Muscle Tape

Rewinding machine unwinding tension control system design ---

       This paper presents the design scheme of the rewinding electrical control system of the main drive for the DC motor, including the overall control scheme of the system, the control of the web unwinding tension, the control and establishment of the key quantity mathematical model and the selection of the main drive motor. type.
       Web tension control is one of the most important factors in ensuring the shape of the paper roll. The most important function of the web tension is to flatten the paper web, while the stable web tension will also avoid lateral deflection of the web. In the rewinder, the web tension is generated by the eject roller drive motor operating in the feedback brake state. The magnitude of the web tension, or the stability of the tension, lies in the control of the exit roller motor. For the tension control scheme, the control systems of domestic rewinders can be roughly divided into two categories: direct tension control scheme and indirect tension control scheme. From the control scheme, the so-called direct tension scheme uses the measured tension as the feedback signal. Compared with the given signal, the tension adjuster is used to adjust the tension. The advantage of this scheme is that the control structure is simple and the control response is rapid, but it is difficult to balance the rapidity of control response and the stability of control. The so-called indirect tension control scheme is to analyze the cause of the tension change, and compensate the main disturbance amount. If several disturbances can be controlled at the same time, good results can be achieved. Taken together, direct tension control should be combined with an indirect tension control scheme to take advantage of its fast response while avoiding other deficiencies.
       The selection of the main drive of the rewinding machine should mainly consider whether the three main aspects of the speed regulation range, power and torque of the motor meet the requirements. Of course, the cost and the coordination with the gearbox should be considered comprehensively to achieve the best cost performance. The paper gives an example of the hardware selection of the system for specific tension control requirements.

Muscle Tape

Belt rewinding machine design and working principle ---

 

9 small paper rolls launched
The small paper roll ejecting device is used for those paper rolls that are too small for the paper feed roller. The small paper roll ejecting device is mounted on the paper feed roller. It relies on hydraulic pressure to move. The minimum diameter that the small paper roll exit can be pushed out is 200 mm (7.9 in).


10 paper cutter construction
The paper cutter is a zigzag blade, which cuts the slit webs during roll ejection. The paper cutter rises from the paper roll to the paper cutting position. The movement of the paper cutter is done by a lever driven by a hydraulic cylinder.
working principle 
The paper roll is pressed against the raised paper cutting blade by the ejector pin and cut.


11 core positioning pin
The end of the core loader is a paper core locating pin attached to the rewinder frame. The paper core positioning pin includes a metal plate and a frame. The scale on the core locating pin shows the position of the locating pin. The paper core locating pin holds the paper core in the correct position on the core loader only by the edge of the slitter. The core positioning pin is placed in close proximity to the slit and is locked in that position by the locking arm.
 

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