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Clamp fixture

A technology of tooling and heating device, applied in the field of clamping tooling, can solve the problems of water tank expansion, deformation, and inability to operate in an optimal temperature environment, and achieve the effect of ensuring the temperature environment and preventing expansion.

Inactive Publication Date: 2015-05-27
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to provide a clamping tool, which mainly solves the technical problem in the prior art that the water tank expands or deforms during the foaming process and cannot operate in an optimal temperature environment.

Method used

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Embodiment Construction

[0019] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0020] The situation in the prior art shows that the foaming of the special-shaped water tank needs a shape to match it, can support the foaming pressure, has low cost, is easy to operate, and has a clamping device with a constant temperature heating system.

[0021] The present invention provides a clamping tool for special-shaped water tanks, which generally includes a bottom mold 10, a clamping mold 20, a cylinder, a hot water pipe 30, a temperature display board, a constant temperature controller 40, and the like. The hot water pipe 30 is directly buried in the cavity of the clamping mold 20 and adopts circulating hot water. The clamping device uses the cylinder to open or close the clampi...

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Abstract

The invention provides a clamp fixture used in the foaming process of a water tank. The clamp fixture comprises a clamp die and a heating device. The internal surface of the clamp die fits the external surface of the water tank. The heating device is arranged in the wall of the clamp die. According to the technical scheme of the invention, the clamp die is used to clamp the water tank during the foaming process and the heating device is used for heating and keeping constant temperature. Thus, the water tank is prevented from being expanded during the foaming process, and the optimum temperature environment is guaranteed.

Description

technical field [0001] The invention relates to the field of water tank processing equipment, in particular to a clamping tool. Background technique [0002] Polyurethane foam is one of the materials with the best thermal insulation at present, and the water heater tank mostly uses polyurethane material as the insulation layer. With the demand for product diversification, the barrel shape is no longer the only water heater tank shape, and various special-shaped water tanks have begun to appear on the water heater stage. However, during the foaming reaction process, the special-shaped water tank often expands or deforms due to uneven foaming force. On the other hand, during the foaming process of the water tank, the polyurethane foaming reaction has extremely high requirements on the ambient temperature. For example, the optimal reaction temperature of HCFC141b foaming material is 22-25 °C, and the optimal reaction temperature of cyclopentane foaming material is 43 °C. -48°...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C44/34
Inventor 柴国丰
Owner GREE ELECTRIC APPLIANCES INC