Injection moulding method for plastic water separator

Abstract

The invention discloses an injection moulding method for a plastic water separator. A header pipe, an insert and an injection mould are arranged, wherein the injection mould comprises a front mould, a front mould core, a rear mould, a rear mould core and an ejector; the front mould core is arranged in a front mould provided with a feeding hole; the front mould core is provided with a feeding hole runner; the rear mould core is arranged in the rear mould; and the ejector is arranged on the rear mould. In the injection moulding process, a secondary moulding method is adopted, the core pulling process after the injection moulding is finished is simplified, the circular degree of the end face of the header pipe is ensured and subsequent connection with other parts and auxiliary equipment is facilitated; meanwhile, the header pipe and a metal joint are integrated, and are not needed to be in threaded connection, and the possibility of water seepage and water leakage at the connection point is reduced.

Description

technical field [0001] The invention relates to the field of injection molding of water separators, in particular to an injection molding method of plastic water separators. Background technique [0002] At present, water separators are widely used and there are many types. The main products on the market are copper water separators, stainless steel water separators, copper plastic water separators, etc. The copper water separator is mainly made of copper and the stainless steel water separator is mainly assembled or integrally forged from stainless steel materials, and then threaded and sealed by machining (viscosity method), and the joint ball valve part of the branch of the water distribution port is assembled. [0003] These two types of water separators have a high market share, but they are prone to quality problems such as water leakage and cracking during use; and the entire water separator, including the main pipe and its accessories copper filter and copper ball va...

AI Technical Summary

Problems solved by technology

[0005] To sum up, the current one-time injection molding method of plastic water separator has the following disadvantages: 1. The core pulling process is complicated, and the roundness of the end face of the main pipe is easily damaged, which is not conducive to the subsequent connection with other accessories; 2. In the threaded connection between the device and the insert, there is a gap that is prone to water leakage

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