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Equipment for making hot-filling polyester bottle

A technology for processing equipment and PET bottles, applied in the processing field of plastic packaging containers, can solve the problems of unreasonable structure, low scrap rate and high scrap rate, and achieve the effect of reasonable structure and low scrap rate

Inactive Publication Date: 2008-08-06
林子祥
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the disadvantages of unreasonable structure and high scrap rate of existing hot-fill polyester bottle processing equipment, the present invention provides a hot-fill polyester bottle processing equipment with reasonable structure and low scrap rate

Method used

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  • Equipment for making hot-filling polyester bottle
  • Equipment for making hot-filling polyester bottle
  • Equipment for making hot-filling polyester bottle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0013] The present invention will be further described below in conjunction with the accompanying drawings.

[0014] refer to figure 1 , figure 2 , a processing equipment for hot-filling polyester bottles, comprising a base 1, a stretch-blow machine, said stretch-blow machine comprising a stretch rod 6, a stretch cylinder 5, a blow cylinder 4 and a locking plate 2, said The locking plate 2 is fixedly connected with the thermal mold 11, the polyester bottle mouth of the thermal mold 11 cooperates with the blowing cylinder 4, the stretch rod 6 passes through the blowing cylinder 4 and the stretching cylinder 5, the described The center of the stretch rod 6 is provided with a vent hole 7, and its main technical feature is that a bottle mouth clamping block 10 is installed above the hot mold 11, and there is a compression spring 9 on the outside of the clamping block 10, and the other end of the compression spring 9 is Connect to lock template 2.

[0015] There is an oblique l...

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Abstract

The present invention relates to a production method of thermal filling polyester bottle and its equipment. It uses PET polyester as raw material, and includes the following procedures: injection moulding bottle blank by using injection moulding machine, heating bottle blank; placing heated bottle blank into thermal die of stretch-blowing machine to make stretch-blow moulding. The stretch-blow moulding procedure is divided into three steps which are implemented in same pair of dies: first step. retaining closed die after stretch-blow moulding; second step. discharging air and reducing pressure under the condition of heat-insulating; and third step, secondary blowing to retain pressure, at the same time exhausting air, and opening die after the polyester bottle is formed.

Description

(1) Technical field [0001] The invention relates to a processing technology for plastic packaging containers, in particular to processing equipment for hot-filling beverage packaging plastic bottles. (2) Background technology [0002] Various packaging containers made of polyester and other plastics, such as beverage bottles, oil bottles, cosmetic bottles, etc., generally adopt the processing technology of injection stretch blowing, that is, the plastic raw materials are made into preforms, and then the preforms are heated. The heated preform is put into the mold of the stretch-blow machine for stretch blow molding. Since the commonly used packaged substances (beverages, mineral water, oil, etc.) are cold filling substances, the stretch blowing machine mold is a cold mold. However, if the packaged substance is a heated substance, such as hot tea, if it is poured into a plastic container processed by a cold mold, the plastic container (bottle) will shrink immediately. When ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C49/06
CPCY02P70/10
Inventor 林子祥
Owner 林子祥
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