Hot forming machine of plastic cup cover

Abstract

The invention discloses a hot forming machine of a plastic cup cover. The hot forming machine comprises a rack, wherein the rack is provided with a conveying unit for conveying a plastic thin sheet, a power driving unit for driving each device to work, and a panel control unit for uniformly regulating and controlling all the devices; an unreeling device, a drying box heating device, a mold molding device, a punching device, a blanking device and a waste material reeling device are sequentially arranged from the input side to the output side of the conveying unit; the unreeling device is used for unreeling a plastic coiled material to form a plastic thin sheet; the drying box heating device is used for carrying out heating softening treatment on the plastic thin sheet; the mold molding device is used for machining the plastic thin sheet into a cup-cover-shaped plastic thin film; the punching device is used for carrying out punching treatment on the cup-cover-shaped plastic thin film; the blanking device is used for preparing the cup-cover-shaped plastic thin film subjected to the punching treatment into a single cup cover finished product; and the waste material reeling device is used for carrying out reeling treatment on residual cup-cover-shaped plastic thin film waste materials. The hot forming machine of the plastic cup cover is simple in structure and convenient to operate; and the conveying of the plastic thin sheets between every two devices can be automatically finished by the waste material reeling device.

Description

technical field [0001] The invention relates to a thermoforming machine for plastic cup lids. Background technique [0002] At present, the molding and manufacturing method of cup lid plastic products (PS, PET, PVC, etc.) such as beverage cup lids, coffee cup lids, and medicine and food trays is: firstly use an unwinding device to unwind the plastic coil to form a plastic sheet The plastic sheet is heated and softened by a heating device, and then processed into a cup-shaped plastic sheet by a die forming device (this process is completed by a thermoforming machine); and then manually processed by a punching device. A single-piece semi-finished cup cover is made; then, the semi-finished cup cover is punched and formed (usually punching one hole or two holes) by a punch press to make a finished cup cover by manual operation. [0003] Ordinary plastic cup lid thermoforming machines cannot produce plastic products made of pp material, because the plastic film of pp material is...

AI Technical Summary

Problems solved by technology

[0003] Ordinary plastic cup lid thermoforming machines cannot produce plastic products of pp material, because the plastic film of pp material is usually heated by contact (that is, the film is attached to the heating plate), and PP has a high viscosity after heating and softening, and will adhere to the surface of the heating plate , so that after being pulled by the traction device, the material will be torn and the forming work cannot be completed

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