Cooling device for rotary table type plastic bottle and pipe heater

Abstract

The cooling device of the turntable plastic bottle tube heater has a fixed plate of the heating core of the plastic bottle tube heater driven by power to rotate, and a toothed plate is installed under the fixed plate of the heating core. A cooling water channel is formed in the plate, and the tooth grooves of the tooth plate are matched with the mouth of the plastic bottle, and a circular cooling ring is installed outside the tooth plate. In this technical solution, a toothed plate is installed under the heating core fixing plate of the heater. The toothed plate rotates with the heating core fixing plate of the turntable heater. There is a cooling water channel in the toothed plate, so that the entire toothed plate becomes a cooling water plate. When the plastic bottle tube is heated, it is hoped that the bottle nozzle will not be heated to avoid deformation. Now the tooth groove surrounds more than half of the plastic bottle nozzle, and a circular cooling ring is installed outside the tooth plate to form a surround around the plastic bottle nozzle, and the cooling effect is good. . And when the heating is completed, the plastic bottle tube will fall off automatically on the heating core, just caught by the tooth plate under the convex ring of the plastic bottle tube, and taken away by the next step automatic stretch blowing machine manipulator.

Description

technical field [0001] The invention relates to a bottle tube heater in plastic hollow molding equipment, belonging to the field of plastic machinery. Background technique [0002] The production of hollow plastic containers by injection stretch blowing, such as mineral water bottles, medicine bottles, oil bottles, etc., generally adopts a two-step process. First, the plastic raw materials are injected into bottle tubes by an injection molding machine, and then the bottle tubes are heated in a heater. , and then the heated bottle tube is stretched and blown into shape by a stretch blowing machine, so a bottle tube heater is required. There are many types of existing bottle tube heaters, but there are mainly annular rotary and rotary disc heaters. There are existing rotary disc heaters such as Chinese patent numbers ZL00234582.X and ZL93209753.7. , The bottle loading tube before heating and the bottle taking tube after heating are all manually operated, and it is not suitabl...

AI Technical Summary

Problems solved by technology

There are many types of existing bottle tube heaters, but there are mainly annular rotary and rotary disc heaters. There are existing rotary disc heaters such as Chinese patent numbers ZL00234582.X and ZL93209753.7. , the bottle loading tube before heating and the bottle taking tube after heating are all manually operated, and it is not suitable for the bottle with the mouth facing upwards, nor can it cooperate with the translational automatic feeding mechanism and the stretching and blowing mechanism

The second is that the mouth of the plastic bottle cannot be effectively protected, and there is a lack of a reasonable and effective cooling device

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