Two-layer and multi-layer flexible composite material fusion edge sealing and forming device

Abstract

The invention discloses a two-layer and multi-layer flexible composite material fusion edge sealing and forming device. The device comprises a high-frequency machine and an upper cutting die which ismatched with the shape of a workpiece, wherein the high-frequency machine comprises a high-frequency oscillator, a machine head capable of moving up and down and a workbench, the upper cutting die isfixed on the machine head through a support, the upper cutting die is connected with the high-frequency oscillator, and the workbench is connected with the ground; and the device further comprises anelectric insulation chopping board and an electric insulation limiting device, wherein the electric insulation chopping board is arranged on the workbench, when the upper cutting die is matched with the electric insulation chopping board when the upper cutting die is used for performing lower position cutting, and the electric insulation limiting device cooperates with the machine head and the workbench for stopping. Due to the adoption of the structure, the machine head moves downwards, the upper cutting die is used for performing fusion corresponding to the edge of the workpiece, and then continues to move downwards to cut the fused and edge-sealed workpiece on the electric insulation chopping board; and an electric insulation stop column and the electric insulation chopping board are arranged so that the upper cutting die serving as an electrode can be prevented from releasing electric arcs to the workbench, then the rate of finished products is improved, and the cutting die is protected.

Description

technical field [0001] The invention relates to a method for two-layer and multi-layer flexible composite material products to be welded and edge-sealed by high-frequency waves, also known as high-frequency waves, and a method for blanking, especially a high-frequency wave that ensures the distance between the upper and lower electrodes. A method and device for edge sealing and forming the edge of a product. Background technique [0002] At present, in the existing technology, two-layer and multi-layer flexible composite materials are fused and edge-sealed and formed. The material is fused and edged according to the designed shape through different processes and cut into shape according to its shape. [0003] Products made of different laminated flexible composite materials in various shapes are widely used in medical, health care, toys, daily necessities and other fields, such as sphygmomanometer straps, ventilator headbands, eye masks, waist belts, various inflatable toys...

AI Technical Summary

Problems solved by technology

[0005] The edge of the above-mentioned products directly reveals the material structure of each layer, which is not very beautiful, and it is easy to hide dirt. The material is completely wrapped inside, which looks neat and beautiful, but the cost of the mold is high, and the production efficiency is low. At the same time, the size of the processed product is severely limited, generally not more than 450mm, otherwise it needs at least two processing to complete a product, the above The invention patent uses high-frequency waves to fuse and seal the straps of medical ventilator masks. There are serious technical problems, so far, normal production cannot be realized. This invention uses the well-known principle of high-frequency waves to weld and seal the upper and lower surface fabrics , the electrode die is connected to the high-frequency wave generator as the upper electrode, and a lower plate is installed below. The method is: directly lay the fabric to be processed on the lower plate, and under the action of high-frequency waves emitted by the electrode die edge, The fabric at the cutting edge melts gradually, and the upper and lower surface layers of the fabric at the melting point are welded until they are closed. When the action reaches the set time, the wave generator stops generating waves, and then cuts off the welded portion of the fabric with an electrode knife die to obtain the product; During this process, the time cut-off point for the wave generator to stop emitting waves cannot be controlled, and it is often scrapped because the edge of the product is not welded in place or part of the product has not been welded a moment earlier. , even if the measures such as high-frequency spark protection tubes on the market are adopted, it will not help. At the same time, the cutting edge of the electrode die and the lower plate often collide with each other and cause damage to each other. Therefore, this method has a high damage rate to the die. The rate is very low and the product cost is high

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