Net forming device for producing multi-layer structure melt-blown cloth through single die head and using method of net forming device

Abstract

The invention discloses a net forming device for producing multi-layer structure melt-blown cloth through a single die head and a using method of the net forming device, and relates to the technical field of melt-blown cloth production. The net forming device comprises a screw extruder, a metering pump fixedly connected to a discharging port of the screw extruder, the die head communicated with a discharging port of the metering pump, a plurality of supporting frames arranged at the bottom of the die head, and a forming mechanism; a guide roller is arranged on one side of the forming mechanism; a cutting mechanism and a cleaning mechanism located under the cutting mechanism are arranged on the side, away from the forming mechanism, of the guide roller; and a winding roller is arranged on the other side of the cutting mechanism. The using method comprises the following steps of melting and extruding the raw materials, forming single-layer melt-blown cloth, forming multi-layer melt-blown cloth, cutting and rolling. According to the net forming device for producing the multi-layer structure melt-blown cloth through the single die head and the using method of the net forming device, air on the cloth is sucked away through a second air bellow newly arranged below a mesh belt, so that the two layers of melt-blown cloth are smooth and free of wrinkles, and the fiber compactness is uniform.

Description

technical field [0001] The invention relates to the technical field of melt-blown cloth production, in particular to a web forming device for producing multi-layer melt-blown cloth with a single die head and a method for using the same. Background technique [0002] The melt-blown cloth is made of polypropylene superfine fibers randomly distributed and bonded together. Its appearance is white, flat and soft. The material fiber fineness is 0.5-1.0 μm. The random distribution of fibers provides more opportunities for thermal bonding between fibers , so that the melt-blown gas filter material has a larger specific surface area and a higher porosity. After high-pressure electret filtration efficiency, the product has the characteristics of low resistance, high efficiency, and high dust holding capacity. It is widely used in air and liquid filter materials, isolation materials, absorption materials, mask materials, thermal insulation materials, oil absorption materials and wipin...

AI Technical Summary

Problems solved by technology

[0004] The main purpose of the present invention is to provide a web-forming device for producing multi-layer melt-blown cloth with a single die head, which can effectively solve the problem of wind blowing on the first layer of the mesh belt in the process of manufacturing multi-layer melt-blown cloth. The cloth is blown to form wrinkles, and it is easy to produce a large number of suspended particles in the production process of meltblown cloth, which pollutes the production environment.

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