Inner film bottom welding machine used for sealing bottoms of package bags

Abstract

The invention relates to an inner film bottom welding machine used for sealing the bottoms of package bags. The machine comprises a rack (1), and a supporting platform (3) is arranged on the rack. A lower welding die (14) is installed on the rack at one side of the supporting platform. A support (5) is further disposed on the rack at one side of the lower welding die. The support is connected with a cylinder (8) with a downward piston rod. A fixing plate (11) is connected to the piston rod of the cylinder. An upper welding die (12) is connected to the lower side of the fixing plate. The upper welding die and the lower welding die (14) are correspondingly arranged. The rack is further connected with a control box (19). A control switch (20) is arranged on the control box. The control box is in control connection with the upper welding die, the lower welding die and the cylinder. The inner film bottom welding machine has the advantages that the machine is simple in structure; through the upper welding die and the lower welding die, inner films of the woven bags can be quickly welded and the bottoms of the woven bags can be quickly sealed; and meanwhile, the induction switch is arranged so that the automatic welding control can be achieved, the operation speed is high, the labor intensity is low, and the production efficiency is high.

Description

technical field [0001] The invention relates to a woven bag processing machine, in particular to an inner film bottom welding machine for packing bag bottom sealing. Background technique [0002] Plastic woven bags are composed of polypropylene bags and polyethylene bags according to the main materials; according to the sewing method, they are divided into seamed bottom bags and seamed bottom bags. At present, it is widely used as a packaging material for fertilizers, chemical products and other items. Its main production process is to use plastic raw materials to extrude film, cut, and unidirectionally stretch into flat yarn, and then weave warp and weft to obtain products, which are generally called woven bags. [0003] According to the needs, some woven bags need to be equipped with a layer of inner film inside, and the set inner film needs to be sealed. At present, the bottom cover of the inner film of the woven bag is firstly processed into a cylindrical structure, and...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the shortcomings of manual bottom sealing, slow bagging processing speed, low efficiency, and unsatisfactory welding effect in the inner film of woven bags at the present stage, and proposes a kind of inner film bottom welding for packaging bag bottom sealing machine

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