Common vacuum forming machine

The composition of playing cup machine of plastic extruder

by:Mengxing     2020-04-01
The composition of playing cup machine of plastic extrusion machine! Extrusion system, including screw, barrel, hopper, the nose, and mold, plastic plastic into homogeneous melt by extrusion system, and established in the process, under pressure by screw continuous extrusion head. 1, screw: is the main component of the squeeze molding machine, it is directly related to the lid machine molding machine and the application scope of productivity, is made from high strength and corrosion resistance of alloy steel. 2, barrel: is a metal cylinder, generally with heat resistant, high crushing strength, strong wear resistance, corrosion resistance of alloy steel or lining made of alloy steel composite pipe. Barrel and screw, implementation of plastic crushing, softening and melting and plasticizing, exhaust and compaction, and to the continuous uniform conveying rubber molding system, general barrel length to diameter of 15 ~ 30 times, in order to make full heat of the sheet machine, plastic extrusion machine and wire points model into a principle. 3, hopper, hopper bottom is equipped with cutting device, in order to adjust and stop the flow of material, the side of the hopper is equipped with sight hole measuring device and calibration. 4, head and mould: the nose consists of alloy steel inner sleeve and carbon steel jacket, in a forming die head, is the role of head rotation movement of the plastic melt into a parallel straight line, import the die set is steady, and give BOPS thermoforming machine with the necessary plastic molding pressure, plastic plasticizing compaction in the barrel, is approved by the flow of porous filter plate along a certain head neck into the head forming die, die core die set appropriate coordination, the formation of cross section and decreases the annular space, make the plastic melt around the conductor to form a continuous solid tubular cladding layer. In order to ensure the nose in plastic flow is reasonable, eliminate accumulated plastic corner, placed tend to have a split sleeve, to eliminate the plastics extrusion pressure fluctuations, also has a set of equalizing ring. The nose is also equipped with mold correction and adjustment device, easy adjustment and correction of mold core and mold set of concentricity. In the front of the nose with equalizing ring for balanced pressure; Extrusion molding package part is composed of die sleeve and die set, the location of the die set can be made of bolt support to adjust, to adjust the die set of the relative position of mold core, easy to adjust the uniformity of extrusion cladding thickness. Starting from an external is equipped with heating device and temperature measuring device. ( Twin-screw extruder and single screw extruder) the difference between
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