Syringe Mould-Plastic Syringe Structure: What Are The Characte

  • The structure of the plastic syringe is relatively simple, generally consisting of a tube sleeve, a push rod, a piston, a positioning ring and a protective cap. In addition, plastic syringes are safe to use and can be used quantitatively in a single shot to effectively avoid cross-infection. Below we mainly introduce the introduction of the two main parts of the plastic syringe jacket mould and core rod mould.

    Jacket mould: The main processed part of the syringe is the sleeve. Due to the relatively thin wall thickness and the relatively high difficulty of forming, through repeated experiments, the mould structure of "fixed-distance split-type double-point gate" is adopted, and there are two point gates on the end surface of the product. During injection, the material flow is injected into the cavity uniformly along the two-point gate, the mandrel is not skewed, the gate has small residual melt marks, and it is automatically broken off and off, thereby improving the appearance quality of the product.

    Mandrel mould: The mandrel is the second important part of the product. The structure is cross-shaped. The two-plate mould is used to process the cross ribs by EDM. It is also possible to use a multi-block combination structure, which is processed by using wire cutting equipment to reduce the cross bars, and then combined after polishing.


    Yuhuan Shengjiu Mould Co., Ltd. is a professional China manufacturer and supplier of  Syringe Mould . We can provide higher engineering design and production efficiency. At the same time, we also provide safe, fast and simple needle-free injection on-site products. Welcome to consult and purchase: