A kind of TPU color changing film production device and production method
A production device and color film technology, which is applied in the field of TPU color changing film production devices, can solve the problems that a single-layer color film cannot meet the individual needs of customers, increase the cost of enterprises, and tear the molten adhesive film, so as to improve the gas overflow performance, Improve blanking efficiency and change the effect of thickness
Active Publication Date: 2021-09-28
南通纳科达聚氨酯科技有限公司
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Problems solved by technology
[0003] In order to improve the aesthetics, TPU hot melt adhesive film is produced by adding color masterbatch to produce TPU color films with different colors. Some color films are single-layer films. The color film can no longer meet the individual needs of customers, and the color part of the multi-layer color film is also realized in a single-layer film. Some may have colors in multiple layers, but the colors of each layer are the same, and there is no sense of dynamics.
In addition, when the TPU hot melt adhesive film is formed, due to its high viscosity, calendering is easy to make the molten adhesive film stick to the forming roller, and it is necessary to install a release paper, which will increase the cost of the enterprise, while the stretch forming is easy to make the molten adhesive film stick to the forming roller. The film is partially torn, reducing the yield
Method used
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[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0030] The invention provides technical solutions:
[0031] like Figure 1~2 As shown, a TPU color-changing film production device is characterized in that: the color-changing film production device includes a fixing device 1, and the fixing device 1 is sequentially provided with a forming device 2, a cooling device 3, a gluing device 4 and a bonding device 5, forming The device 2 is tightly connected with the fixing device 1, the forming device 2 is provided...
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The invention discloses a TPU color-changing film production device and production method, including a fixing device, a forming device, a cooling device, a gluing device and a laminating device are sequentially arranged on the fixing device, the forming device and the fixing device are fastened and connected, and the forming device There are two groups along the vertical direction, the cooling device is fastened to the fixing device, the gluing device is connected to the fixing device, and the laminating device is connected to the fixing device. The fixing device includes a frame and a workbench, one side of the frame and one side of the workbench Tightly connected, the molding device is located on the upper side of the workbench. The molding device includes a casing, a transmission assembly and a die assembly. The casing is connected to the transmission assembly, and one side of the casing is connected to the die assembly. The main steps are as follows: raw material crushing, Melting and extruding; base film cooling, extrusion molding; glue coating, drying; hot melting, double-layer base film lamination; cooling, winding.
Description
technical field [0001] The invention relates to the technical field of color-changing film production, in particular to a TPU color-changing film production device and production method. Background technique [0002] TPU is a thermoplastic polyurethane elastomer plastic, which can be softened and reshaped under a certain heat. It has good wear resistance and meets the requirements of environmental protection. Through excellent physical and chemical properties, TPU is in a It stands out from the crowd of rubber and plastic products and is widely used in all walks of life. It is even pasted on the surface of various items to act as a wear-resistant protective layer. [0003] In order to improve the aesthetics, TPU hot melt adhesive film is produced by adding color masterbatch to produce TPU color films with different colors. Some color films are single-layer films. The color film can no longer meet the individual needs of customers, and the color part of the multi-layer color...
Claims
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IPC IPC(8): B29C69/00B29C65/52B29C43/24B29C35/16B29C48/00B29C48/08B29C48/885B29B13/10B29L7/00B29L9/00
CPCB29B13/10B29C35/16B29L2007/00B29L2009/00B29C48/0011B29C48/0021B29C48/08B29C48/885
Inventor 叶航郑炯肖琳
Owner 南通纳科达聚氨酯科技有限公司