Device for flattening membrane surface before thermal-shrink membrane rolling

Abstract

The invention relates to a device for flattening a membrane surface before thermal-shrink membrane rolling. The device for flattening a membrane surface before thermal-shrink membrane rolling is arranged between a rear guide roller and a front guide roller. The device for flattening a membrane surface before thermal-shrink membrane rolling comprises a fixing base, a pressure roller and a fixing roll. The fixing base is horizontally fixed to an equipment installation body. A rotating support is vertically installed to the fixing base. A lower end of the rotating support is horizontally provided with a fixing roll support bar. The fixing roll is rotatablely supported on the fixing roll support bar. An upper end of the rotating support is horizontally provided with a pressure roller support bar. A pressure roller retainer is rotatablely supported on the pressure roller support bar. The pressure roller is rotatablely supported on the pressure roller retainer. The pressure roller and the fixing roller are opposite and parallel. A membrane product exactly passes through a middle position of the pressure roller and the fixing roller. The pressure roller presses downward by its deadweight so that a shear force is produced by the pressure roller and the fixing roller. A certain declination angle is obtained by adjustment of the rotating support so that a transverse side-pull force is formed and acted on the membrane product. Therefore, the surface of the membrane product is unfolded transversely and effectively; membrane surface smoothness is improved; and rolling effects are improved.

Description

technical field [0001] The invention relates to a multi-layer co-extruded heat-shrinkable film production equipment, in particular to a film surface flattening device before the heat-shrinkable film is rolled. Background technique [0002] Heat-shrinkable high-barrier food packaging film is mainly used in the packaging of cold fresh meat and seafood. [0003] There are many types of heat shrinkable film forming equipment on the market, among which a small amount of wrinkling will inevitably occur during the winding process of the multi-layer co-extruded heat shrinkable film, which seriously affects the winding effect and brings troubles to the subsequent deep processing. [0004] How to roll up the multi-layer co-extruded heat-shrinkable film smoothly and stably is a difficult problem faced by the industry at present. Therefore, improving the flattening method of the existing products has a crucial impact on improving the qualified rate of the products. Contents of the inv...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the deficiencies in the prior art, and to provide a device for flattening the film surface before preparing the heat-shrinkable film. flatten

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