Plastic gear rapid mold opening hydraulic injection mold with cooling molding function

A plastic gear, cooling molding technology, applied in the field of injection molds, can solve problems such as affecting the image of the company's products, affecting the service life of the gears, hollowing, etc., to achieve the effect of simple structure, improved production efficiency, and fast speed

Inactive Publication Date: 2016-05-11
重庆和佳机械部件制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the commonly used production method of plastic gears is to use injection molds for injection molding. The production speed is fast and the qualified products are very high. However, the current gear injection molds are affected by the ambient temperature during the production of injection molding, and the produced gears sometimes appear hollow in the middle. Phenomenon, which affects the service life of the gear, and affects the image of the company's products

Method used

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  • Plastic gear rapid mold opening hydraulic injection mold with cooling molding function
  • Plastic gear rapid mold opening hydraulic injection mold with cooling molding function

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] like figure 1 , figure 2 As shown, the hydraulic injection mold for rapid opening of plastic gears with cooling forming, the hydraulic injection mold for rapid opening of plastic gears with cooling forming, includes a workbench 8, an upper injection mold 1 and an injection lower mold 6 that cooperate with each other, and the injection molding The lower mold 6 is installed on the lower template 7, the lower template 7 is installed on the workbench 8, the top of the injection molding upper mold 1 is installed on the upper template 3, and guide columns 4 are vertically arranged on the workbench 8 on the left and right sides of the lower template 7 , the guide posts 4 are equipped with guide sleeves 5, and the guide sleeves 5 are correspondingly fixed on the upper template 3, and the outer periphery of the injection molding upper mold 1 is covered with a heat preservation cover 2, the heat preservation cover 2 is made of aluminum alloy material, and on the guide post 4 Th...

Embodiment 2

[0019] On the basis of Embodiment 1, further changes are made, and the wall thickness of the thermal insulation cover 2 is 55 mm; The thickness becomes 30mm; the distance between the first cooling cavity 9 and the side wall of the heat preservation jacket 2 becomes 15mm. Others are the same as embodiment one.

Embodiment 3

[0021] On the basis of embodiment one, further change, the cover wall thickness of described insulation cover 2 is 60mm; The thickness becomes 25mm; the distance between the first cooling cavity 9 and the side wall of the insulation jacket 2 becomes 20mm. Others are the same as embodiment one.

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Abstract

The invention relates to a plastic gear rapid mold opening hydraulic injection mold with the cooling molding function and belongs to the technical field of injection molds. The plastic gear rapid mold opening hydraulic injection mold comprises a workbench, an upper injection mold body and a lower injection mold body, wherein the upper injection mold body and the lower injection mold body coordinate with each other. The lower injection mold body is installed on a lower template, and the lower template is installed on the workbench. The top of the upper injection mold body is installed on an upper template. The upper injection mold body is sleeved with a warm keeping cover. Guide pillars are sleeved with rubber sleeves for rapid mold opening. Two hydraulic cylinders are vertically arranged between the warm keeping cover and the left guide pillar and between the warm keeping cover and the right guide pillar respectively. Cylinder bodies of the hydraulic cylinders are installed on the workbench. Ends of piston rods of the hydraulic cylinders are hinged with an installation base. The installation base is fixed to the bottom of the upper template. A first cooling cavity is formed in the wall of the warm keeping cover. A groove is downwards formed in the top of the upper template. A heat conduction aluminum block for conducting heat is inlaid in the groove. By means of the plastic gear injection mold, molding of products obtained after injection is effectively accelerated, and the production efficiency is increased.

Description

technical field [0001] The invention relates to a quick-opening hydraulic injection mold for plastic gears with cooling molding, which belongs to the technical field of injection molds. Background technique [0002] Gear transmission is a common transmission mode in people's life, and its transmission stability is very high, and its service life is long. With the continuous advancement of science and technology, more and more gears are made of plastic, which are mainly used in an industry with a small transmission torque. The production cost is low, the transportation cost is low, and the safety and maintenance are also convenient. At present, the commonly used production method of plastic gears is to use injection molds for injection molding. The production speed is fast and the qualified products are very high. However, the current gear injection molds are affected by the ambient temperature during the production of injection molding, and the produced gears sometimes appea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/26B29C45/73B29C45/67
Inventor 胡维秀
Owner 重庆和佳机械部件制造有限公司
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