Film laminating device and film laminating process for plastic sheet machine

Abstract

The invention relates to a film laminating device and a film laminating process for a plastic sheet machine, and relates to the field of sheet compounding equipment. The film laminating device comprises a rack, a support, an unwinding shaft, a limiting assembly, a driving assembly, a guiding assembly and a flattening assembly. The limiting assembly is used for positioning the unwinding shaft, the driving assembly is used for driving the unwinding shaft to rotate, the guiding assembly is used for guiding a thin film, and the flattening assembly is used for flattening the thin film. The support comprises a bottom frame and two vertical plates. One ends of the vertical plates are connected with the bottom frame, the two vertical plates are parallel and arranged in a spaced mode, lower grooves for containing the unwinding shaft are formed in the top ends of the vertical plates, the unwinding shaft is placed in the lower grooves, and each limiting assembly comprises a limiting block, a spring bolt, a locking ring and a handle. One ends of the limiting blocks are hinged to the top ends of the vertical plates, and the other ends of the limiting blocks are hinged to the corresponding locking rings. The lock rings are connected with the handles, upper grooves are formed in the sides, close to the lower grooves, of the limiting blocks, and the spring bolts are connected to one sides of the vertical plates and further matched with the locking rings. The film laminating device and the film laminating process for the plastic sheet machine have the effect of enriching the functions of the plastic sheet machine.

Description

technical field [0001] The present application relates to the field of sheet composite equipment, in particular to a film covering device and film covering process for a plastic sheet machine. Background technique [0002] The plastic sheet machine is also called the horizontal three-roller single-machine sheet machine production line. The unit is mainly composed of a main machine, a screen changer, a mold, a tablet press, a conveying table, a tractor, a cutting machine or a winding machine, etc. The raw materials that can be processed are: : PP, PE, PS, ABS, etc., mainly used to produce sheets of thermoformed products such as disposable plastic cups, plates, bowls, dishes, boxes, etc., widely used in food, vegetables, fruits, beverages, dairy products, industrial parts and other fields of packaging. [0003] An extruded sheet forming machine is disclosed in the related art, comprising a frame and an extruder, the extruder is arranged on the frame, and a rolling device or a...

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Problems solved by technology

[0004] In view of the above-mentioned related technologies, the above-mentioned extruded sheet forming machine is generally used for processing single-layer or multi-layer co-aided sheet, and the multi-layer co-extruded sheet needs to be the same material. The inventor believes that the above-mentioned forming machine has a single function Defects

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