Zigzag folding mechanism suitable for plastic bag processing

Abstract

The invention discloses a zigzag folding mechanism suitable for plastic bag processing. The zigzag folding mechanism comprises a bottom frame; a rotating frame which can rotate relative to the bottomframe is arranged on the bottom frame; a zigzag folding cylinder which allows plastic thin films to penetrate through so as to conduct zigzag folding on the plastic thin films is arranged on the rotating frame; a first roller set which can allow plastic thin film raw materials to pass through is arranged on the position, above the zigzag folding cylinder, on the bottom frame; the first roller setcomprises a first left roller and a first right roller which are mutually attached and tightly press the plastic thin films passing through the position between the first left roller and the first right roller so as to enable plastic thin film layers to be sealed at the first left roller and the first right roller; a second roller set which can forwards convey the plastic thin films flowing out ofthe zigzag folding cylinder is arranged on the rotating frame; and the second roller set comprises a second left roller and a second right roller which are mutually attached, tightly press the plastic thin films passing through the position between the second left roller and the second right roller so as to enable the plastic thin film layers to be sealed at the second left roller and the secondright roller, and drive the plastic thin films to forwards move during rotating. The zigzag folding positions of the plastic thin films can be adjusted by rotating the rotating frame, and operation iseasy.

Description

【Technical field】 [0001] The invention relates to a folding organ mechanism suitable for processing plastic bags. 【Background technique】 [0002] At present, when the organ folding plastic bags on the market are produced, the plastic film is generally blown up and then the organ folding is completed through the organ folding cylinder. Plastic bags often have many patterns. According to the requirements of the finished product, when folding the organ of the same plastic film, sometimes some specific patterns are required on the front (back) of the bag, and sometimes these specific patterns are required on the folded edge of the organ. In terms of position, or sometimes some specific patterns are required to change from left to right on the front. During production, when it is necessary to change the position of the above-mentioned specific pattern, the original plastic film needs to be re-rolled outside the production line of the folding organ, and the specific pattern is ro...

AI Technical Summary

Problems solved by technology

During production, when it is necessary to change the position of the above-mentioned specific pattern, the original plastic film needs to be re-rolled outside the production line of the folding organ, an

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