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Rapid mold opening electric type injection mold of plastic gear

A technology for plastic gears and injection molds, applied in gears, household appliances, and other household appliances, etc., can solve the problems of affecting the service life of gears, hollowing, and affecting the image of corporate products, so as to improve the pass rate, speed up, and reduce hollowing. Effect

Inactive Publication Date: 2016-04-20
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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  • Rapid mold opening electric type injection mold of plastic gear

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Such as figure 1 As shown, the quick-opening electric injection mold for plastic gears includes a workbench 8, an injection upper mold 1 and an injection lower mold 6 that cooperate with each other. The injection lower mold 6 is installed on the lower template 7, and the lower template 7 is installed on the workbench 8. On the top, the top of the injection molding upper mold 1 is installed on the upper template 3, and guide pillars 4 are vertically arranged on the workbench 8 on the left and right sides of the lower template 7, and guide sleeves 5 are set on the guide pillars 4, and the guide sleeves 5 respectively correspond to It is fixed on the upper template 3, and the outer periphery of the injection molding upper mold 1 is covered with a thermal insulation sleeve 2. The thermal insulation sleeve 2 is made of aluminum alloy material, and a rubber sleeve 9 for rapid mold opening is sleeved on the guide post 4. The height is 10mm higher than the height of the top sur...

Embodiment 2

[0018] On the basis of Embodiment 1, further changes are made, and the wall thickness of the thermal insulation cover 2 is 50 mm; The thickness becomes 30mm. Others are the same as embodiment one.

Embodiment 3

[0020] On the basis of Embodiment 1, further changes are made, the cover wall thickness of the thermal insulation cover 2 is 40mm; the top surface height of the rubber cover 9 is 20mm higher than the top surface height of the injection lower mold 6, and the cover wall of the rubber cover 9 The thickness becomes 25mm. Others are the same as embodiment one.

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Abstract

The invention relates to a rapid mold opening electric type injection mold of a plastic gear, and belongs to the technical field of injection molds. The injection mold comprises a working table, an upper injection mold body and a lower injection mold body, wherein the upper injection mold body is matched with the lower injection mold body; the lower injection mold body is mounted on a lower mold plate, and the lower mold plate is mounted on the working table; the top of the upper injection mold body is mounted on an upper mold body, and guide columns are vertically arranged at the position, located on the left side and the right side of the lower mold plate, of the working table and are sleeved with guide sleeves; the guide sleeves are correspondingly fixed to the upper mold plate, and the periphery of the upper injection mold body is sleeved with a thermal insulation sleeve which is made of aluminum alloy materials; each guide column is further sleeved with a rubber sleeve for rapid mold opening, and a screw rod is vertically arranged between the thermal insulation sleeve and the guide column on the left side; the upper end of the screw rod is arranged on the upper mold plate in a penetrating manner through a bearing, and a nut matched with the screw rod is arranged on the screw rod in a sleeving manner; and the nut is fixed to a support, and a motor is connected to the lower end of the screw rod. Under the effect of the thermal insulation sleeve, the yield of products is improved.

Description

technical field [0001] The invention relates to a quick-opening electric injection mold for plastic gears, belonging 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 appear hollow in the middle. P...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/26B29C45/66B29C45/73B29L15/00
Inventor 胡维秀
Owner 重庆和佳机械部件制造有限公司
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