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Do You Know The Squeeze System Of Plastic Single Screw Extruder?

    Special requirements The use of high-strength corrosion-resistant alloy steel by multi-stage heat treatment and finishing, dehydration exhaust, can be equipped with heat-conducting oil-saving devices, low energy consumption. The extrusion system consists of screws, barrels, hoppers, heads, and molds, which are plasticized into a uniform melt through the extrusion system and are continuously extruded by the screw under the pressure established during this process.(1) screw: the extruder is the most important components, it is directly related to the scope of application of extruder and productivity, made of high strength corrosion-resistant alloy steel.Plastic Single Screw Extruder(2) barrel: is a metal cylinder, generally with heat, high pressure strength, strong wear-resistant, corrosion-resistant alloy steel or alloy steel alloy made of composite steel pipe. The barrel is screwed to achieve the crushing, softening, melting, plasticizing, venting and compaction of the plastic, and continuously feeding the compound to the forming system. The length of the barrel is 15 to 30 times its diameter So that the plastic is fully heated and fully plasticized into the principle.Plastic Single Screw Extruder(3) Hopper: The bottom of the hopper is equipped with a truncation device to adjust and cut the material. The side of the hopper is equipped with a viewing hole and a calibration metering device.Plastic Single Screw Extruder(4) nose and die: the nose from the alloy steel jacket and carbon steel jacket, the head with a molding die, the role of the nose is the rotation of the plastic melt into a parallel linear motion, uniform and smooth Into the mold sleeve, and give the plastic to the necessary molding pressure, plastic in the barrel of plastic compaction, the porous filter plate along a certain flow through the nose of the nose into the nose forming mold, mold core sleeve with the appropriate, The formation of continuous reduction of the annular section of the gap, so that the plastic melt in the core around the formation of continuous dense tubular coating. In order to ensure that the plastic channel inside the machine is reasonable, to eliminate the accumulation of plastic dead ends, often placed a shunt sleeve, to eliminate the pressure when the plastic extrusion fluctuations, but also set the pressure ring. The head is also equipped with mold correction and adjustment of the device, easy to adjust and correct the core and die sets of concentricity. In the front of the nose with a pressure ring for the balance of pressure; squeeze the molding part of the mold by the sleeve and die sets, the mold sleeve position can be adjusted by the bolt to adjust to adjust the mold sleeve on the relative position of the core , Easy to adjust the uniformity of the thickness of the extruded layer. The head is equipped with heating device and temperature measuring device.