Fully biodegradable garbage bag film blowing device

Abstract

The invention relates to a fully biodegradable garbage bag film blowing device. The fully biodegradable garbage bag film blowing device comprises a feeding device for feeding, a film blowing port connected with the feeding device, a film bubble protection device arranged at the film blowing port, a film blowing channel, an inverted-V-shaped support and a traction device. The feeding device comprises a feed port used for containing plastic particles and a feeding channel used for delivering the plastic particles to the film blowing port. A wind disk used for blowing bubbles is arranged on the film blowing port. The film bubble protection device is connected with the film blowing channel and the film blowing port. A temperature sensor used for detecting the temperature of the film bubble protection device is arranged on the film bubble protection device. The film blowing channel is of a simple structure. The inverted-V-shaped support comprises a first pressing plate and a second pressingplate which are arranged in an inverted-V shape. The film blowing device provided by the invention can guarantee that the temperature of film bubbles blown out from the film blowing port is free frompollution of the external environment.

Description

Technical field [0001] The invention relates to a film blowing device, in particular to a film blowing device for a fully biodegradable garbage bag. Background technique [0002] Film blowing device is a commonly used equipment in the production of plastic products such as plastic bags / mulch. As the application demand for plastic products continues to expand, film blowing devices used to manufacture plastic products have also been developed. [0003] The quality of the film bubble blown by the film blowing device is affected by many factors. For example, sometimes the film bubble will slosh and the sizes of the two sides are different. The main reasons are: the temperature is too high, the inflation ratio is too large, the raw material selection is unreasonable, and the Excessive output, insufficient cooling, problems with die structure, unreasonable heating ring device, and problems with the surrounding environment of the film blowing device will cause uneven film thickness, wagg...

AI Technical Summary

Problems solved by technology

[0003] The quality of the film bubbles blown out by the film blowing device is affected by many factors. For example, sometimes the film bubbles will shake, and the sizes of the two sides are different. Too much output, insufficient cooling, problems with the die head structure, unreasonable heating ring device, and problems with the environment around the film blowing device will lead to uneven thickness of the film and defects such as swaying, which will affect the quality of the product

However, the film blowing port of the existing device directly contacts the outside world after blowing out the film bubbles, resulting in unsuitable temperature control and easy contamination of the film, which in turn affects the quality of the film. The film blowing device should transfer the film at a uniform speed to ensure that the length of each garbage bag is constant. At present, the film blowing device cannot judge whether the speed of transferring the film between the pressing rollers is consistent, and whether the film will loosen during the transfer process.

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