The main engine of the milk bottle flake pelletizing machine is an extruder, which consists of an extrusion system, a transmission system and a heating and cooling system.
The main engine of the milk bottle flake pelletizing machine is an extruder, which consists of an extrusion system, a transmission system and a heating and cooling system. Vigorously develop renewable resources and turn waste into treasure.
The extrusion system includes a hopper and a die. The plastic is plasticized into a uniform melt through the extrusion system, and the die is continuously extruded by the screw under the pressure established in the process.
1. Screw: Screw is the most important part of the extruder. Screw is directly related to the application range and productivity of the extruder. Screw is made of high-strength corrosion-resistant alloy steel.
2. Cylinder: Cylinder is a metal cylinder, generally made of alloy steel or composite steel pipe lined with alloy steel that is heat-resistant, high-pressure-resistant, strong, wear-resistant, and corrosion-resistant. The barrel and the screw are matched to realize the crushing, softening, melting, plasticizing, exhaust and compaction of the plastic, and the continuous and uniform delivery of the rubber material to the molding system. Generally, the length of the barrel is 15-30 times its diameter, so that the plastic can be fully heated and plasticized as a principle.
3. Hopper: The bottom of the hopper of the milk bottle flake pelletizer is equipped with a cutting device to adjust and cut off the material flow. The side of the hopper is equipped with a sight hole and a calibration metering device.
4. Machine head and mold: The machine head is composed of an alloy steel inner sleeve and a carbon steel outer sleeve, and a forming mold is installed in the machine head. The function of the machine head is to transform the rotating plastic melt into parallel linear motion, uniformly and smoothly introduce it into the mold sleeve, and give the plastic the necessary molding pressure.
Normal:
| Model | SJ45 | SJ65 | SJ90 | SJ100 | SJ120 |
| Output(kg/h) | 10-60 | 100-150 | 180-250 | 250-350 | 300-600 |
High output,low consumption:
| Model | SJ150 | SJ160 | SJ180 | SJ200 |
| Output(kg/h) | 400-700 | 600-1000 | 1500-2000 | 2000-3000 |
Extruder
A specialized single screw extruder applied to gently melt the pre-compacted material. The plastic scraps will be well melted, plasticized in a 36D processing section. With double-zone vacuum degassing system, volatiles such as low molecular and moisture will be removed efficiency, especially suitable to heavy printed film and material with water content.
Water-ring Die-face Cutting System
Water-ring die-face/Strand cutting methods are usually adopted. In water-ring die-face cutting system, the rotary cutting blades will be pneumatically fit completely and closely to the die-face surface to ensure efficient cutting. Rotary speed of the blades is automatically adjusted by module system according to melt pressure at the die face.
Vibration Drying System
Advanced dewatering vibration sieve combing with horizontal-type centrifugal dewatering present high performance dried pellets and lower energy consumption.Combine crushing, compacting and plletizing steps in one system, less-labor cost.Higher efficiency feeding, suitable to film, filament, raffia, foaming materials;Higher output and lower energy consumption
Control Cabinet
Independent operation panel for easy operation, English version
With cooling fan inside
Temperature controller: Omron
Frequency inverter: Siemens
Self protective system:
Over current protective of motor
Over temperature protective of motor
Over pressure protective of screw
Low & over temperature control of extruder
Click to watch the complete HD video of the milk bottle flake pelletizing line
