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HCK 110 ton injection molding machine Children's toys making machine Plastic toy shovels making machine
An injection molding machine, also known as an injection molding machine or injection machine, is a type of equipment used for plastic molding.
Its main function is to inject thermoplastics or thermosetting plastics into the mold cavity through heating and high pressure, and form plastic products of the desired shape after cooling and solidification.
Injection molding machines are widely used in automobiles, home appliances, electronic appliances, consumer goods, packaging industries and other fields, and are indispensable and important equipment in modern manufacturing.
The composition of the injection molding machine mainly includes injection system, mold clamping system, hydraulic system, electrical control system, lubrication system, heating and cooling system, etc.
The injection system is responsible for heating and plasticizing the plastic, the clamping system ensures that the mold is closed and opened, the hydraulic system provides power, the electrical control system enables precise control, the lubrication system reduces energy consumption, and the heating and cooling system ensures the temperature control of the plastic.
According to the driving mode, the injection molding machine can be divided into hydraulic type, all-electric type and electro-hydraulic hybrid type.
According to the plasticizing method of the material, it can be divided into screw type and plunger type; According to the axis of injection and clamping device, it can be divided into vertical, horizontal and angular type.
In addition, injection molding machines can also be divided into ultra-small, small, medium and large according to the size of the processing capacity.
Injection molding machines have a wide range of applications, including but not limited to auto parts, electronic product shells, household appliance parts, packaging containers, toys, medical devices, etc.
With the development of technology, injection molding machines are developing in the direction of intelligence, energy saving, high precision and rapid prototyping.
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Double rod injection structure,injection more stable.
Injection cylinder and drive shaft intergrated to ensure the injection mechanism coaxiality and straightness.
Injection adopts high precision linear guide rail to reduce the load of storage stable back pressure. |
The working principle of the injection molding machine can be simply summarized as the following steps:
Quantitative feeding: The plastic particles are fed into the barrel of the injection molding machine through the hopper.
The outside of the barrel is heated by a heating ring, so that the plastic particles are gradually melted into a flowing state.
Melt plasticization:
Under the thrust of a screw or plunger, the plastic is heated and sheared in the barrel, gradually melting, plasticizing and homogenizing to form a viscous flow state of molten plastic.
Pressure injection:
The screw or plunger pushes the molten plastic onto the piston pusher rod of the injection cylinder, and the molten plastic is injected into the mold cavity at high speed and high pressure through high pressure.
Holding cooling:
After the injection is completed, the mold is closed and the molten plastic is cooled and solidified in the mold cavity to form the desired shape.
At this time, the injection molding machine maintains a certain pressure to prevent melt backflow and ensure that the product has a certain density and dimensional tolerance.
Mold opening and picking:
After the cooling is completed, the mold is opened, and the ejection device will eject the product out of the mold to complete an injection molding cycle.
We are prefessional production base specialized in designing and manufacturing plastic injection machines and enjoy high reputation in the Plastic machinery industry.
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