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Laser-manufacturing-technology-based conformal cooling device making method

A manufacturing technology and conformal cooling technology, which is applied in the manufacturing field of cooling devices with conformal cooling function, can solve the problems of restricting the popularization and use of conformal cooling technology, and achieve the effects of simple preparation, high production efficiency and long service life

Active Publication Date: 2015-07-08
金鑫 +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This situation greatly limits the popularization and use of conformal cooling technology. At present, this technology can only be applied to molds for the production of small and medium-sized injection molded parts.

Method used

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  • Laser-manufacturing-technology-based conformal cooling device making method
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  • Laser-manufacturing-technology-based conformal cooling device making method

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Embodiment Construction

[0025] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments. The following examples are not intended to limit the present invention.

[0026] Such as figure 1 As shown, the schematic diagram of the injection molding or die-casting mold in the embodiment of the present invention uses a mold with a conformal cooling device, the upper half is the cavity, the lower half is the core, and the middle part is the injection or die-casting part. In practical engineering applications, the structure of injection molding or die-casting molds can be different.

[0027] Such as figure 2 , image 3 , Figure 4 As shown, the cavity of the injection molding or die-casting mold is a cuboid structure with a depression in the middle, and its inner wall forms a cooling cavity for placing the parts to be cooled. In practical engineering applications, the shape of the inner wall can be adjusted acc...

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Abstract

The invention discloses a laser-manufacturing-technology-based conformal cooling device making method, first, a continuous cooling passage with a preset-shape is processed on a position close to mold cavity or / and mold core surface on a mold by means of mechanical processing method, and the cooling passage is nearly parallel to the mold cavity or / and mold core surface and surrounds the mold cavity or / and mold core surface in the manner of a band; the continuous cooling passage is covered with a strip or plate-shaped metal cover plate, the metal plate is fixed on the cooling passage by laser welding technology, and a sealed channel is formed in the cooling passage; and finally, the metal plate is layer-by-layer fusion-covered with a metal by laser material increase manufacturing technology to form a finally-required mold. According to the method, conformal cooling device making can be realized, and not limited by the shape of macro parts. In addition, the method also has more simple preparation property and more efficient production efficiency, at the same time, the prepared mold has a long service life.

Description

technical field [0001] The invention relates to a manufacturing method of a cooling device, in particular to a manufacturing method of a cooling device with conformal cooling function based on laser manufacturing technology. Background technique [0002] Mold is one of the important equipment in modern industrial manufacturing, and mold manufacturing is an important basic industry in the national economy. In normal production, the temperature of the plastic melt injected into the mold is 200-300°C, while the temperature of the injection molded product is 60-80°C when it is released from the mold. In order to facilitate the adjustment of the mold temperature, the usual method is to set up a cooling water channel in the mold , by adjusting the temperature of the cooling liquid in the input cooling channel to achieve the adjustment of the mold temperature. The cooling system has a decisive influence on the efficiency of injection molding. [0003] The cooling water channel in...

Claims

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Application Information

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IPC IPC(8): B29C33/38
Inventor 李铸国姚成武冯凯
Owner 金鑫
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