high quality high speed fine crushing roller counters are key equipment used in the plastic processing industry for the production of various plastic products. It works by heating and plasticizing plastic raw materials, then extruding them through molds to form the desired plastic products in the later stage. A complete high-quality high-speed fine crushing roller counters usually consists of several key parts, each of which plays its own role. The following is a detailed explanation of the components of high quality high speed fine crushing roller counters:

1. Wire setting device and wire setting tension device

The unwinding device is responsible for continuously and stably conveying plastic raw materials (such as granular, powdered, etc.) into the extruder. To ensure the smooth transportation of raw materials, the stringing device is usually equipped with a stringing tension device to control the tension during raw material transportation and prevent raw material breakage or accumulation caused by excessive or insufficient tension.

Ii. Straightening device

The straightening device is used to straighten the raw materials before they enter the extruder, ensuring that the raw materials can remain flat and unbent when entering the extruder. This helps to improve the uniformity and stability of the extruded plastic.

Iii. Preheating device

The preheating device preheats the raw materials before they enter the extruder, making them reach the temperature range suitable for extrusion. Preheating treatment can shorten the heating time of raw materials in the extruder, increase the extrusion rate, and also help improve the uniformity and quality of extruded plastics.

Iv. Extruder (Main Unit)

The extruder is the core equipment of high quality high speed fine crushing roller counters, consisting of the extrusion system, the drive system and the heating and cooling system.

The extrusion system consists of a screw, barrel, hopper, die head and die. The screw rotates inside the barrel, pushing the plastic raw materials forward, heating and plasticizing them, and then extruding them into shape through the die head and mold.

The transmission system provides power for the screw and drives its rotation.

The heating and cooling system controls the temperature of the extruder, ensuring that the plastic raw materials reach the required temperature range during the heating and extrusion processes.

V. Cooling Device

The cooling device is used to cool and shape the extruded plastic. The freshly extruded plastic is still at a high temperature. If it is not cooled in time, it may deform or fail to maintain the intended shape. The cooling device usually adopts water tanks, spray devices or air-cooling devices to cool the extruded plastic to room temperature or close to room temperature, allowing it to solidify and form.

Vi. Spark Testing Machine

The spark testing machine is used to detect whether there are metal impurities or conductive impurities in extruded plastics. During the plastic extrusion process, if the raw materials contain metals or conductive impurities, sparks may occur during the extrusion process, leading to equipment damage or stability accidents. The spark testing machine generates a high-voltage electric field to detect whether there are metal or conductive impurities in the extruded plastic, thereby determining the quality and stability of the product.

Vii. Meter Measuring Device

The meter measuring device is used to measure the length of extruded plastic. During the plastic extrusion process, it is necessary to accurately control the length of the extruded plastic to meet the specification requirements of the product. Metering devices usually employ photoelectric sensors or encoders to calculate the length of plastic by measuring the speed and time of extrusion.

Viii. Traction Device

The traction device provides traction force for the extruded plastic, enabling it to pass stably through subsequent equipment such as the cooling device, spark testing machine, and meter measuring device. The speed and tension of the traction device can be adjusted according to production needs to ensure the uniformity and stability of the extruded plastic.

Ix. Wire Winding Device and Control System

The winding device is responsible for winding the extruded plastic into a roll, facilitating subsequent processing and storage. The control system monitors and controls the entire high-quality high-speed fine crushing roller counters, including temperature control, speed control, tension control, etc., to ensure the stability of the production process and the consistency of product quality.

To sum up, high quality high speed fine crushing roller counters are composed of several key parts, each of which plays its own role. These parts work in coordination to jointly complete the processes of heating, plasticizing, extruding, cooling, shaping, testing, measuring, traction and winding of plastic raw materials, and obtain the required plastic products in the later stage.

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