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High-precision injection mold

An injection mold, high-precision technology, applied in the field of mold, can solve problems such as poor molding, and achieve the effect of facilitating accuracy, speeding up production efficiency, and better molding effect

Active Publication Date: 2019-07-12
威鹏塑胶制品(深圳)有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] Injection mold is a tool for producing plastic products. Specifically, it refers to injecting heated and melted plastic into the mold cavity under high pressure from the injection molding machine, and then cooling and solidifying to obtain a molded product. It mainly includes a base, a male template, a female template and a top seat. A punch is set on the template, and a die is set on the master template. A cavity for injection molding is formed between the punch and the die. However, when the mold is opened and used, due to the low temperature of the mold itself, during the injection molding process It is easy to have the heat-melted plastic start to solidify before it completely enters the cavity, especially when the temperature is low in winter, it is easy to have the defect of poor molding

Method used

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Embodiment Construction

[0029] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0030] A high-precision injection mold, such as Figure 1-Figure 3 As shown, it includes a base 1, a male template 2, a female template 3 and a top seat in sequence from bottom to top, a punch 4 is arranged in the male template 2, a die is arranged in the female template 3, and the connection between the punch 4 and the die A cavity for molding products is formed between them, and an injection port 5 communicating with the cavity is provided at the center of the top seat; The inner core 6 sinks into the groove 7, the inner core 6 is rotatably connected in the groove 7, and a channel 8 is arranged in the inner core 6, and one end of the channel 8 passes through the bottom wall of the inner core 6 to form a liquid opening 9, and at the same time On the side wall of the base 1, there is a hot liquid channel 10 for transporting hot liquid. One end of the hot liq...

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Abstract

The invention discloses a high-precision injection mold. The high-precision injection mold comprises a base, a male mold plate, a female mold plate and a top seat. A male mold is arranged in the malemold plate, a female mold is arranged in the female mold plate, and a cavity is formed between the male mold and the female mold. An injection port communicating with a cavity is formed in the top seat. An inner core rotationally connected with the male mold is arranged in the male mold, a channel and a liquid passing opening are formed in the inner core, and the inner core is rotationally connected to a groove base. The base is provided with a hot liquid channel used for conveying hot liquid. A first liquid inlet communicating with the liquid passing opening is formed in the bottom wall of agroove. A cooling liquid channel used for conveying cooling liquid is formed in the base. A second liquid inlet communicating with the liquid passing opening is formed in the bottom wall of the groove. During first-time use, the first liquid inlet is kept in communication with the liquid passing opening, hot liquid is introduced into a channel of the male mold to realize preheating, heat-melted plastic is not easy to solidify in the injection molding process, and better forming can be realized.

Description

technical field [0001] The invention relates to the field of molds, more specifically, it relates to a high-precision injection mold. Background technique [0002] Injection mold is a tool for producing plastic products. Specifically, it refers to injecting heated and melted plastic into the mold cavity under high pressure from the injection molding machine, and then cooling and solidifying to obtain a molded product. It mainly includes a base, a male template, a female template and a top seat. A punch is set on the template, and a die is set on the master template. A cavity for injection molding is formed between the punch and the die. However, when the mold is opened and used, due to the low temperature of the mold itself, during the injection molding process Plastics that are prone to heat and melt begin to solidify before they fully enter the cavity, especially when the temperature is low in winter, and there are likely to be defects in poor molding. Contents of the in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/26B29C45/73
CPCB29C45/26B29C45/7312
Inventor 刘华威李沃骏冯祥春
Owner 威鹏塑胶制品(深圳)有限公司
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