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Intelligent injection molding machine castings, injection molding machine accessories

Intelligent injection molding machine castings, injection molding machine accessories


Injection molding machines are also known as injection molding machines or injection machines. Many casting parts factories are called beer machines (píjī), and injection products are called beer parts. It is the main molding equipment for making thermoplastic or thermosetting materials into various shapes of plastic products using plastic molding molds. According to the arrangement of the injection device and the clamping device, the injection molding machine can be divided into vertical, horizontal and vertical-horizontal composite.


An injection molding machine is usually composed of an injection system, a clamping system, a hydraulic drive system, an electrical control system, a lubrication system, a heating and cooling system, and a safety monitoring electronic control system.

Injection system

The function of the injection system: The injection system is one of the most important components of the injection molding machine. Generally, there are three main forms: plunger type, screw type, and screw preplasticized plunger injection type. The most widely used is the screw type. Its function is that in a cycle of the plastic injection machine, a certain amount of plastic can be heated and plasticized within a specified time, and the molten plastic can be injected into the mold cavity through a screw under a certain pressure and speed. After the injection, the molten material injected into the cavity is kept in shape.

Composition of the injection system: The injection system consists of a plasticizing device and a power transmission device.

The plasticizing device of the screw injection molding machine is mainly composed of a feeding device, a barrel, a screw, a rubber component, and a nozzle. The power transmission device includes an injection cylinder, an injection seat moving cylinder, and a screw drive device (melting motor).

Clamping system

The role of the clamping system: the role of the clamping system is to ensure that the mold is closed, opened and ejected products. At the same time, after the mold is closed, sufficient clamping force is supplied to the mold to resist the cavity pressure generated by the molten plastic entering the mold cavity, and to prevent the mold from opening seams, resulting in a bad status of the product.

The composition of the mold clamping system: the mold clamping system is mainly composed of a mold clamping device, a machine twisting, a mold adjusting mechanism, an ejection mechanism, a front and rear fixed template, a movable template, a mold clamping cylinder and a safety protection mechanism.

Hydraulic system

The function of the hydraulic transmission system is to realize the injection molding machine to provide power according to the various actions required by the process, and to meet the pressure, speed, temperature and other requirements of the various parts of the injection molding machine. It is mainly composed of various hydraulic components and hydraulic auxiliary components, among which the oil pump and the motor are the power source of the injection molding machine. Various valves control the oil pressure and flow rate to meet the requirements of the injection molding process.

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