Talking about the new semi-automatic pre-coating film laminating equipment

Equipment operation

The new semi-automatic pre-coating film laminating equipment is mainly coated with an automatic hydraulic device, so the laminating pressure can be easily adjusted. The film is heated by a heat transfer oil or a quartz tube, and the temperature is stable and adjustable. The unwinding knife and the slitting knife are arranged on the unwinding frame, so the automatic slitting can be completed after the film is coated. It adopts frequency conversion control motor and is stable and reliable. For the specific operation, first install the pre-coated film on the central part of the film-release roller, and tighten the two ends, then adjust the pressure to ensure the film is stable and reliable, and place the tool holder according to the actual situation to cut the edge material; On the conveyor belt, adjust the position of the paper to ensure smooth paper feeding and no skew; adjust the tension of the pre-coating film on the unwinding frame, the paper is fed into the front pressure roller assembly through the transition roller, and is carried out with the pre-coating film here. Heat and pressure composite. After the film is passed through the post-rolling roller, it is slit by the movable pressing roller and finally falls on the collecting table. The receiving platform can be tilted to the outside corner, and then a vibration motor can be installed under the receiving platform, so that the receipt is neat. It is necessary to pay attention to coating the thick paper directly through the back pressure roller; when laminating the thin paper, it is necessary to pass the adjustment roller, adjust the molding and then press the roller.

Equipment adjustment

The first is temperature adjustment: the temperature of the new semi-automatic pre-coating film laminating machine should be controlled at about 70 °C. When the red light on the temperature controller is on, it indicates that the temperature has reached the requirement and can be produced normally. About pressure regulation: the front pressure roller is pressed by the automatic hydraulic pump, and the rotary switch can adjust the pressure. The pressure is generally controlled at 1~15Mpa. The back pressure roller uses an eccentric gear, and the handle can be separated by shaking the handle. The movable pressure roller is a cam to adjust the pressure between the two rollers, and the handle is moved to separate the two rollers. Regarding the elastic adjustment of the conveyor belt: the front conveyor belt is adjusted by the square steel shaft to adjust the belt tension. The rear conveyor belt adjusts the belt tension by the forward and backward movement of the integral slider. Regarding the adjustment of the movable press roller: the distance between the movable press roller and the rear press roller is adjusted by the watch handwheel. Regarding the synchronous adjustment of the rear pressure roller and the front pressure roller: the rear pressure roller is moved by the friction structure, and the frictional force is adjusted at the other end of the operation surface, and the small pressure hand is rotated to ensure that the rear pressure roller and the front pressure roller are synchronized.

Finally, for the investigation of film failure, if the surface of the finished product has wrinkles, it is because the front and rear pressure rollers are improperly adjusted, the pressure is uneven or the paper shrinks. The pressure of the front and rear pressure rollers can be adjusted or the paper can be humidity-treated. To solve. If the finished product is uneven, it is because the film temperature is too high or the pressure is too high, which can be solved by adjusting the film temperature and pressure. If fog or air bubbles appear on the surface of the finished product, the temperature of the film is too low, the pressure is too small, or the talc powder on the surface of the paper is too much. It can be solved by appropriately adjusting the temperature and pressure of the film and selecting high-quality paper. If the finished product has plastic burrs, it is because the pressure of the front and rear rolls is too large, which can be solved by appropriately adjusting the front and rear roll pressures. If the film is released when the product is reused, it is because the pressure of the front and back rolls is too small or the ink on the paper is not dry when the film is coated. The front and back roll pressure can be adjusted, and the ink on the paper is completely dried and then coated. solve.

The above is the application analysis of the new semi-automatic precoat film laminating equipment.

The above content is selected from Keyin Media. Printing Technology ·Digital Graphic Arts , No. 5, 2012. For more journal content, please pay attention to the journal channel .