Electrostatic adsorption type sealing device
A technology of electrostatic adsorption and electrostatic discharge, applied in the direction of packaging, transportation and packaging, paper/cardboard containers, etc., to achieve the effects of firm bonding, low energy consumption, and saving packaging materials
Active Publication Date: 2011-04-06
北京大森包装机械有限公司
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Problems solved by technology
[0003]Adopting the above-mentioned bonding methods requires a heating device to heat the packaging material so that it shrinks and bonds under heat, so there are not only high energy consumption, The structure is complex, and it is also prone to uneven shrinkage of the packaging film or rupture due to high temperature
In addition, when heat embossing is used to seal without cutting the bottom edge, since the bottom edge is wider, it will not only waste packaging materials but also affect the appearance of the product
Method used
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Embodiment Construction
[0042] Hereinafter, the present invention will be described in detail based on the drawings.
[0043] Such as figure 1 As shown, the principle of the electrostatic adsorption sealing method of the present invention is: firstly, a partial bending of a continuous strip of packaging material is rolled into a cylindrical shape, and the outer surface of one side of the strip is The inner surfaces overlap. Attached figure 1 It shows the shape after the two overlap each other. Then, the overlapping part of the packaging material is passed through the high-voltage electrostatic field. In this way, under the action of the high-voltage electrostatic field, the outer surface and the inner surface of the material belt are charged with different polarities. Since the charges of opposite sex attract each other, the overlapping parts of the packaging materials will be attracted together. In this process, the gas between the outer surface and the inner surface is squeezed out, thereby formi...
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The invention provides an electrostatic adsorption type sealing method and a bag making machine and an electrostatic adsorption type sealing device carrying out the method. The bag making device forms a packaging material into cylindrical shapes and overlaps the outer surface of one side edge of the packing material with the inner surface of another side edge of the packing material; and then part of the overlap part of the packaging material is passed through a high-voltage electrostatic field generated in the electrostatic adsorption type sealing device to adhere the packing material firmly. With the method, the bag making device and the electrostatic adsorption type sealing device, the sealed ends of the packing material are overlapped and partially passed through the high-voltage electrostatic field and the overlap part carries charges of different polarities, so that the surfaces of the packing material are adhered firmly together without heating the sealing ends of the packing material. In addition, the method saves a working procedure of cutting redundant adhered edges and has the advantages of firm adhesion, packing material conservation, low energy consumption, and so on.
Description
Technical field [0001] The invention involves the sealing field of packaging materials, especially a static adsorption sealing device. Background technique [0002] The sealing technology has been widely used in the packaging of various industries such as food, cultural supplies, hardware tools, chemical supplies.At present, the sealing method of Zhongfeng is mainly the heat seal, including two types of thermal compressive tattoo without cutting the bottom edge and the sealing of the hot pressure pattern. These two technologies are the packaging materials that need to be sealed first.The heating and melting is then sealed, but the sealing method of the hot pressure pattern without cutting the bottom edge will not be removed, and the bottom edge of the seal is used.Improve the beauty of the product. [0003] The above -mentioned bonding method is used, and the heating device needs to be heated to heated the packaging material to make it contracted and bonded in the heating state....
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IPC IPC(8): B31B1/60
Inventor 巴悦张晓军
Owner 北京大森包装机械有限公司