Automatic bottle blowing machine
, also known as hollow blow molding machine, the rapid development of plastic processing methods.
Thermoplastic resin extrusion or injection into tubular plastic parison, the heated (
Or heat to soften the state)
, placed in the die, and in the mold closed immediately after the compressed air is introduced into the parison, expansion and closed to the mould wall, cool detachment, namely hollow products.
Blown film manufacturing technology principle and the blow molding of the hollow products are very similar, but it does not use the mould, from the perspective of the classification of plastics processing technology, blown film usually included in the extrusion molding process.
During the second world war began to produce low density polyethylene small bottle blowing process.
The late '50 s, with the development of high density polyethylene and blow molding machine, blow molding technology has been widely used.
Thousands of litres of hollow container volume, some production has been used for computer control.
Suitable for plastic PE, PVC, pp, pet blow molding machine, such as hollow container are widely used as industrial packaging container.
According to the parison production method, blow molding can be divided into extrusion blow blow molding and injection blow molding, new development of multilayer blow molding and stretch blow molding.
Injection molding machine is the combination of injection molding machine and blow molding institutions, including the plasticizing mechanism, liquid pressure system, control equipment such as mechanical parts.
Normal is three plastic bottle blowing machine and four plastic bottle blowing machine.
Machine has three type precast slab, inflatable and peel three stations, stations separated 120 & deg;
More than four machine preforming station, separated from 90 stations & deg;
A further 180 & deg;
Double injection molding machine space station.
Injection molding machine in the production of plastic container size accurate, no secondary processing, but the mold cost is higher.
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