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Electric heating rod type with cooling injection molding upper mold for cpu fan blade

A technology of electric heating rods and fan blades, which is applied in the field of electric heating rods with cooling injection molding upper mold, can solve the problems of reducing the qualified rate of products, and achieve the effects of convenient mold design, fast heating speed and simple structure

Active Publication Date: 2017-02-15
ANHUI ANYUAN PLASTIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, in the production of fan blades such as CPUs, the injection molding method is commonly used, and the production efficiency is fast. If the molds usually used are in mass production, their structures are more complicated. When the structure is more complicated, it will bring many problems in the design, such as : 1. The uniformity of heating; 2. The distribution of vent holes; 3. The distribution of feed ports. If the above problems are not handled properly, the qualified rate of the product will be reduced.

Method used

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  • Electric heating rod type with cooling injection molding upper mold for cpu fan blade
  • Electric heating rod type with cooling injection molding upper mold for cpu fan blade
  • Electric heating rod type with cooling injection molding upper mold for cpu fan blade

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Such as figure 1 , figure 2 , image 3 As shown, the CPU fan blade uses an electric heating rod type cooling injection molding upper mold, including the upper mold body 2, the lower left part of the upper mold body 2 is horizontally provided with an injection molding channel 8, and a piece is provided on the upper mold body 2 for the upper mold body. 2 The heated aluminum block 4 is provided with grooves on the upper surface of the upper mold body 2 downwards, and the lower surface of the heated aluminum block 4 extends downwards with a protrusion matching the grooves, and a horizontal opening is formed in the middle of the heated aluminum block 4. There is a heating chamber 6, and the left and right ends of the heating chamber 6 are equipped with electric heating rods 5, and a cooling water chamber 7 is horizontally opened in the heating aluminum block 4 below the heating chamber 6, and the left end of the cooling water chamber 7 is provided with a water inlet. The ...

Embodiment 2

[0019] This embodiment is changed on the basis of Embodiment 1, and the left exposed end of the connecting rod 3 is changed to 400 mm; the diameter of the connecting rod 3 is changed to 40 mm. Others are the same as embodiment one.

Embodiment 3

[0021] This embodiment is changed on the basis of Embodiment 1, and the left exposed end of the connecting rod 3 is changed to 500 mm; the diameter of the connecting rod 3 is changed to 50 mm. Others are the same as embodiment one.

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Abstract

The invention relates to an electric heating bar type injection upper mold with cooling for CPU (central processing unit) fan blades and belongs to the technical field of injection molds. The electric heating bar type injection upper mold with cooling comprises an upper mold body, wherein an injection channel is horizontally arranged at the bottom left part of the upper mold body, a heating aluminum block for heating the upper mold body is arranged at the upper part of the upper mold body, a groove is downwards formed in the upper surface of the upper mold body, a convex block matched with the groove downwards extends from the lower surface of the heating aluminum block, a heating cavity is transversely formed in the middle part of the heating aluminum block, electric heating bars are mounted at the left end and right end of the heating cavity, a cooling water cavity is transversely formed in the heating aluminum block below the heating cavity, and a boss with an annular structure is arranged on the inner side wall of the injection channel. The electric heating bar type injection upper mold with cooling, provided by the invention, has the advantages of simple structure, uniform heating of the upper mold body, high heating speed, high production efficiency and convenience in mounting, and can ensure the product qualification rate.

Description

technical field [0001] The invention relates to an electric heating rod type belt cooling injection molding upper mold for CPU fan blades, belonging to the technical field of injection molds. Background technique [0002] At present, in the production of fan blades such as CPUs, the injection molding method is commonly used, and the production efficiency is fast. If the molds usually used are in mass production, their structures are more complicated. When the structure is more complicated, it will bring many problems in the design, such as : 1. The uniformity of heating; 2. The distribution of vent holes; 3. The distribution of feed ports. If the above problems are not handled properly, the qualified rate of the product will be reduced. Contents of the invention [0003] In view of the above problems, the present invention provides an electric heating rod type cooling injection molding upper mold for CPU fan blades. Pass rate. [0004] The technical scheme that the prese...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C45/26B29C45/73
CPCB29C45/2602B29C45/7312B29C45/7331B29L2031/082
Inventor 刘绍明
Owner ANHUI ANYUAN PLASTIC
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