Method of clamping material and a material-clamping unit used therefor

A clamping device and clamping method technology, applied in applications, household appliances, other household appliances, etc., can solve the problems of product wrinkles, inconvenience, lack of suitable methods and structures, and achieve the effect of reducing the amount of consumption and reducing the cost of molds

Inactive Publication Date: 2009-04-29
SINTOKOGIO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] The problem with the above-mentioned method is that if the shape of the product (shaped product) produced by this method is relatively complicated, when the clamping of one side of the sheet is released, the product is prone to wrinkle
[0013] This shows that above-mentioned existing forming method obviously still has inconvenience and defect in the structure of method, equipment and use, and urgently needs t

Method used

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  • Method of clamping material and a material-clamping unit used therefor
  • Method of clamping material and a material-clamping unit used therefor
  • Method of clamping material and a material-clamping unit used therefor

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Embodiment Construction

[0071] In order to further explain the technical means and effects of the present invention to achieve the intended purpose of the invention, in conjunction with the accompanying drawings and preferred embodiments, the material clamping method and the material clamping device using the method according to the present invention will be described in detail below. The detailed description of the implementation, methods, steps, structure, features and effects is as follows.

[0072] The foregoing and other technical content, features and effects of the present invention will be clearly presented in the following detailed description of the preferred embodiment with reference to the drawings. Through the description of the specific embodiments, it is possible to gain a more in-depth and specific understanding of the technical means and effects adopted by the present invention to achieve the predetermined purpose. However, the accompanying drawings are only for reference and explanation...

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Abstract

This invention provides a method for clamping material, wherein a product that has no creases can be manufactured, even if the material has a complex shape, and the method can improve a yield of the product, and can reduce the cost of the dies. Also, the present invention provides a material-clamping unit used for the method. The method of clamping materials of the present invention is used for a forming machine that will form thermoplastic sheet material by an upper and a lower die, which sheet material is heated in advance to a predetermined temperature in heating furnace, and thus softened, comprising the steps of: holding both edges of the sides in the running direction of the thermoplastic sheet material, and then transferring the material between the upper die and the lower die of the forming machine; holding the rear and front edges of the sides of the thermoplastic sheet material, which sides are perpendicular to the running direction of the thermoplastic sheet material; and lowering the edges of the sides in the running direction of the thermoplastic sheet material and the rear and front edges of the sides of the thermoplastic sheet material, which sides are perpendicular to the running direction of the thermoplastic sheet material, so that the sheet material will fit in the upper die.

Description

Technical field [0001] The invention relates to a material clamping method and a material clamping device using the method. In particular, it relates to a method for clamping the material required by the forming machine to form a thermoplastic sheet. The material is pre-heated to a predetermined temperature and softened in a heating furnace. The forming machine uses heat with the upper and lower molds. The thermoplastic sheet is formed by forming or vacuum forming. The invention also relates to a material clamping device using the method. Background technique [0002] In the existing invention directed to the method of forming a laminated sheet, a method of laminating and forming a thermoplastic sheet and a fiber base is used to form a laminated sheet, and then it is formed into a desired shape. The method includes the following steps: [0003] Use a pair of clamping devices to clamp the edges of the longer sides of the thermoplastic sheet, heat it to a predetermined temperature ...

Claims

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Application Information

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IPC IPC(8): B29C70/40B29C70/54B29L7/00
CPCB29C2791/006B29C51/261B29C51/38B29C51/262B29C51/10
Inventor 阿部田裕司小柳津康博板仓宏行
Owner SINTOKOGIO LTD
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