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PVDC film electrostatic compounding device and compounding method

An electrostatic lamination and film technology, applied in lamination devices, chemical instruments and methods, lamination auxiliary operations, etc., can solve the problems of affecting lamination fastness, easy to appear bubbles, etc., to improve lamination fastness, easy installation, good quality effect of effect

Inactive Publication Date: 2020-03-24
河南双汇投资发展股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to discharge the air between the two layers of film, enhance the composite fastness, and reduce the air bubbles in the middle layer that affect the quality, the invention proposes a thin film electrostatic composite device and composite method, which solves the problem that bubbles are prone to appear in the middle of the existing composite and affect the composite fastness. question

Method used

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  • PVDC film electrostatic compounding device and compounding method

Examples

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Effect test

Embodiment 1

[0020] Such as figure 1 As shown, a thin film electrostatic composite device includes a frame 7 installed on the frame of the composite machine, and the frame 7 can be fixed at the film A by using the frame without additional additional structures. The frame 7 is provided with a discharge Plate 8, the discharge plate 8 is provided with a tip 9, the tip 9 faces the film A3, the discharge plate 8 is electrically connected with the electrostatic generator 10, the electrostatic generator 10 provides high voltage for the discharge plate 8, and the discharge plate 8 and the tip 9 are used to make The negative charges on the membrane A are changed to positive charges, and the electrostatic generator 10 is installed on the frame of the composite machine to facilitate the power transmission to the discharge plate.

[0021] After the double-layer packaging film is unwound by the compound machine, it reaches the metal guide roller A and the metal guide roller B respectively, and both of ...

Embodiment 2

[0023] Such as figure 1 As shown, a film electrostatic compounding method, before film A3 and film B4 are compounded, due to the friction between the roller and the film, negative charges are generated on both film A and film B, and the tip 9 on the discharge plate 8 is directed towards film A3 , the electrostatic generator 10 provides a high voltage for the discharge plate 8, the discharge plate 8 changes the original negative charge on the film A3 to a positive charge, the negative charge on the film B remains unchanged, the film A is guided by the roller A1, and the film B is guided by the roller B2 , pasting at the composite roller 5, at this time, the positive charge on the film A3 and the negative charge on the film B4 attract each other during compounding, which improves the compounding effect and ensures the quality of the composite film 6.

[0024] The discharge plate 8 is installed on the frame 7, and the frame 7 is installed on the frame of the composite machine, so...

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Abstract

The invention provides a PVDC film electrostatic compounding device and a compounding method, and solves the problems that bubbles easily appear in the existing compounding process and can affect thecompounding fastness. The compounding device comprises a frame, a discharge plate is arranged on the frame, a tip is arranged on the discharge plate, the tip faces a film A, and the discharge plate iselectrically connected to an electrostatic generator. According to the compounding method, the tip of the discharge plate faces the film A, the electrostatic generator provides high voltage for the discharge plate, the discharge plate enables the film A to generate positive charge, the positive charge on the film A and the negative charge on a film B attract each other during compounding, thus enhancing the compounding effect. The device and the method have the advantages that: the sparkless positive charge electrostatic generator is additionally arranged on one layer of film to endow the layer of film with positive charge, so that the compounded two layers of films can be firmly laminated under the attraction of positive and negative charges, thus improving the compounding fastness and the increasing the product quality of the composite film; the device is simple in structure and convenient to install, can be additionally installed on various compound machines, and the field application effect is good.

Description

technical field [0001] The invention relates to PVDC film compounding, in particular to a PVDC film electrostatic compounding device and compounding method. Background technique [0002] PVDC composite film is mainly used for the packaging of ham sausage. [0003] Now when two layers of PVDC film are laminated, the method of hot pressing with rollers (55°C ± 2°C) is adopted. After lamination, air bubbles are prone to appear in the middle layer, which affects the fastness of the composite and further affects the quality of the ham sausage. Contents of the invention [0004] After measurement, the two-layer packaging film generates static electricity due to friction, and the two-layer film is negatively charged before being superimposed, as high as 15-25KV. [0005] In order to discharge the air between the two layers of film, enhance the composite fastness, and reduce the air bubbles in the middle layer that affect the quality, the invention proposes a thin film electrosta...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B37/00B32B38/00
CPCB32B37/003B32B38/0008
Inventor 刘振启殷晓东田丽霞胡国启李俊旗张宏胜黄喜文
Owner 河南双汇投资发展股份有限公司
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