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Four-layer bag making process

A process and membrane module technology, applied in the field of four-layer bag making process, can solve the problems of cumbersome operation, increase processing time, increase production cost, etc., and achieve the effect of simplifying process, reducing production cost and improving production efficiency

Pending Publication Date: 2021-12-07
WUXI HONGCHANG PRECISION MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the existing four-layer bag production process, the four-layer film material is usually heat-sealed to form a membrane module. This process requires the use of a large number of equipment, including the film material discharging mechanism, conveying mechanism, positioning mechanism, etc., which not only increases the Production cost, and the need to process the four-layer film material, the operation is cumbersome, the process is complicated, the processing time is increased, and the production efficiency of the four-layer bag in the prior art is greatly reduced

Method used

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Embodiment Construction

[0044] The specific implementation manners of the present invention will be further described below in conjunction with the drawings and examples. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0045] Such as figure 1 Shown, four-layer bag-making process of the present invention comprises the following steps:

[0046] (10) Raw material supply: including input inner membrane 1 and input outer membrane 2, of which

[0047] (1A) Input inner membrane 1: inner membrane 1 is conveyed along the first feeding direction;

[0048] (1B) input outer membrane 2: outer membrane 2 is conveyed along the second feeding direction;

[0049](20) Folding and segmentation: including folded inner membrane 1 and segmented outer membrane 2, where

[0050] (2A) Folding the inner film 1: Folding the inner film 1 to form two adjacent packaging films 3, the two packaging ...

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Abstract

The invention discloses a four-layer bag making process. The four-layer bag making process comprises the following steps that S10, supplying raw material supply: S1A, inputting an inner film, and S1B, inputting an outer film; S20, folding and cutting: S20A, folding the inner film and S20B, cutting the outer film; S30, covering and combing; and S40, heat-sealing and forming. According to the four-layer bag making process, the inner film is folded to form the two layers of packaging films, the outer film is cut into two layers of protective films, the packaging films and the protective films are combined to form a film assembly, and then the four-layer bag is made through heat sealing, so that the process is simplified, the manufacturing cost is reduced, and the production efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of bag making, in particular to a four-layer bag making process. Background technique [0002] Compared with the traditional double-layer bag, the four-layer bag has better packaging quality. Even if one of the inner bag and the outer bag is damaged while the other is intact, the safe transportation of materials can still be achieved. In the existing four-layer bag production process, the four-layer film material is usually heat-sealed to form a membrane module. This process requires the use of a large number of equipment, including the film material discharging mechanism, conveying mechanism, positioning mechanism, etc., which not only increases the Production cost, and the need to process the four-layer film material, the operation is cumbersome, the process is complicated, the processing time is increased, and the production efficiency of the four-layer bag in the prior art is greatly reduced. [0003] T...

Claims

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Application Information

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IPC IPC(8): B31B70/10B31B70/16B31B70/36B31B70/64B31B70/74B31B150/00B31B170/20
CPCB31B70/10B31B70/36B31B70/16B31B70/64B31B70/74B31B2170/20B31B2150/002
Inventor 王飞鸿林秋
Owner WUXI HONGCHANG PRECISION MACHINERY