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Structural composition of plastic granulator

by:TENGDA     2022-01-07

Information from Nanjing Twin-screw Manufacturers: Plastic pelletizers are mainly used for the regeneration and color mixing of a variety of plastics. It is suitable for many common waste plastics. It is a more versatile mechanical equipment in the waste plastic recycling industry. The specific operation is stable. No noise characteristics.

Today, Tengda Machinery, a twin-screw manufacturer in Nanjing, will introduce the structure of the plastic granulator.

The main machine of the plastic granulator is composed of a transmission system, an extrusion system and a heating and cooling system. The extrusion system includes a die, a die, and a hopper. The plastic is plasticized into a uniform melt through the extrusion system, and the die is continuously extruded by the screw under the established pressure.

1. Machine head and mold

The machine head is used to transform the plastic melt from rotating motion into parallel linear motion, and smoothly and evenly lead into the mold. In the sleeve, a certain molding pressure is given to the plastic; the machine head is composed of a carbon steel outer sleeve and an alloy steel inner sleeve, and the forming mold is installed in the machine head.

2. The hopper

The bottom of the hopper is equipped with a cutting device, which can cut and adjust the material flow, and the side is equipped with a calibration metering device and a sight hole.

3. The barrel

is usually made of pressure-resistant, heat-resistant, high-strength, corrosion-resistant, strong and wear-resistant alloy steel or composite steel pipe lined with alloy steel. It is a metal cylinder. During the operation, the barrel and screw can cooperate to realize the crushing, melting, plasticizing, softening of plastics, etc., and can continuously and uniformly convey the rubber to the molding system.

4. Screw

is the more important structure of the plastic granulator. It is related to the production efficiency of the plastic granulator. It is made of corrosion-resistant, high-strength alloy steel. become.

5. Transmission system

Its function is to drive the screw. During the extrusion process, it supplies the required speed and torque to the screw, which usually consists of bearings, motors and reducers, etc. composition.

The above Nanjing twin-screw manufacturer-Tengda Machinery introduced the structure and composition of the plastic granulator, and everyone has a certain understanding. The heating and cooling device of the plastic pelletizer is an important structure for plastic extrusion, which can keep the plastic within the temperature range required by the process. The equipment can vigorously develop renewable resources and turn waste into treasure.


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