Injection mold is the production of plastic injection mold products mold in the injection molding machine, is the most common plastic mold. Its products are mainly used in: daily life, chemical, pharmaceutical, automotive, food packaging, instruments, building materials, decoration, electronics, aerospace and other fields.
Injection mold according to the structure can be divided into two and three-plate mold plate mold according thirst water into large inlet, outlet and hot water outlet points.
Injection mold structure:
- Molded parts: the former is usually called, after mold CORE, is most closely associated with the product site;
- Pouring system: molten plastic from the nozzle toward the cavity flow path can be divided into: sprue, runner, gate, cold material wells;
- Navigation system: Before determining the relative position after mold clamping time, generally I.-I. sets the necessary ejection part also need to guide post, guide sleeve positioning;
- Releasing structure: that is, pieces of plastic from the mold ejection device, commonly used are: thimble, top, Secretary extinguishers, etc;
- Temperature control system: To meet the injection molding process to mold temperature requirements, applied before and after the mold cooling water;
- Side parting and lateral Pulling: When there are pieces of plastic flip-releasing direction that is inconsistent with the structure you have to use the line position, the common form: Slider, lifters, core pulling, etc;
- Exhaust structure: a common exhaust two forms: an exhaust groove, forming part clearance. To exclude a gas cavity in the air and produced during molding in the injection molding process, often set the exhaust ducts in the sub-surface. An exhaust groove principle is without prejudice to overflow burr materials, the exhaust ducts should be as large as possible. And inserts the needle, thimble, inserts molded parts is to use exhaust gap.
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| Injection Molding Machine |
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