Water meter injection molding process

An injection molding process and injection molding technology, applied in the field of water meter injection molding, can solve the problems of long burrs on the circumference of the water tank shell, guide posts and guide sleeves affecting the quality of molded plastic parts, and achieve the effect of accelerating solidification

Inactive Publication Date: 2021-03-19
南京丰豪智能科技有限公司
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] (1) When the traditional water meter injection molding mold is processing the water meter, due to the selection of the parting surface, there are burrs with a large circumference in the formed water tank shell
[0005] (2) When the traditional water meter injection molding mold is processing the water meter, the upper and lower parts of the mold are only positioned and aligned through the guide post and the guide sleeve, and the quality of the molded plastic part is easily affected by the wear of the guide post and the guide sleeve.

Method used

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Embodiment Construction

[0035] In order to make the technical means realized by the present invention, creative features, goals and effects easy to understand, the following combination Figure 1 to Figure 7 , to further elaborate the present invention.

[0036]A water meter injection molding process, which uses a water meter injection molding equipment, the water meter injection molding equipment includes an injection molding machine 1, an upper mold base 2 and a lower mold base 3, when the water meter casing is injection molded by the above water meter injection molding equipment The specific method is as follows:

[0037] S1. Feed raw materials: process the raw materials through the injection molding machine 1 to make their state meet the standard requirements;

[0038] S2. Mold closing alignment: Align the upper mold base 2 with the lower mold base 3, and at the same time move the lateral core 37 to the middle to make it match the punch and die, and limit the size of the water meter shell;

[0...

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Abstract

The invention relates to a water meter injection molding process. An injection molding machine, an upper mold base and a lower mold base are included, the injection end of the injection molding machine is fixedly connected with the upper mold base, and a mold locking part of the injection molding machine is fixedly connected with the lower mold base. The lower mold base comprises a movable mold base plate, a supporting plate, an ejector rod fixing plate, an ejector rod base plate, a large ejector rod, a movable mold plate, a concave mold plate, a lateral mold core, a positioning frame and a guide column, liquid plastic is introduced into a gap between a convex mold plate and a convex mold block through the upper mold base, and meanwhile the size of the upper side of a plastic part needingto be machined is limited. The upper mold base and the lower mold base are aligned and positioned,the plastic part obtained after injection molding is completed is pushed out through the lower mold base, the size of the lower side of the plastic part is limited, meanwhile, horizontal displacement of the lateral mold core is controlled, and the concave mold plate and the convex mold plate are further aligned.

Description

technical field [0001] The invention relates to the field of water meter injection molding, in particular to a water meter injection molding process. Background technique [0002] A water meter is an instrument for measuring water flow. Generally, it is the cumulative flow measurement of water. It is mainly divided into two types: volumetric water meter and speed type water meter. With the progress of society, water meter casings made of plastic are now mainly used. Injection molding is generally used in production. Injection molding is a method of stirring completely molten plastic materials through a screw at a certain temperature, injecting them into a mold cavity with high pressure, and obtaining molded products after cooling and solidification. [0003] In the process of injection molding the water meter, due to the structural limitations of the water meter casing, the following problems exist in the actual operation process: [0004] (1) When the traditional water met...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/26B29C33/30B29C45/27B29C45/73
CPCB29C45/2606B29C45/2725B29C45/73
Inventor 不公告发明人
Owner 南京丰豪智能科技有限公司
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