Demoulding mechanism of plastic bottle cover mould and implementation method thereof

A demoulding mechanism and bottle cap technology, which is applied to household appliances, other household appliances, household components, etc., can solve the problems of affecting the processing quality of bottle caps, reducing production efficiency, and high production costs, so as to reduce mold opening and closing strokes and improve Productivity, increasing the effect of setting difficulties

Active Publication Date: 2014-04-23
EVERFINEST PRECISION MACHINERY SHENZHEN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the ejection sleeve 02 and the center top 05 need a relatively large stroke to eject the product, this type of ejection mechanism has obvious disadvantages: first, the overall mold is too thick and requires a large-tonnage injection molding machine to process, making the production The cost is high; second, when the center top 05 is ejected, it is easy to cause unevenness in the plane of the bottle cap, which affects the processing quality of the bottle cap, increases the reject rate, and reduces production efficiency; third, the demoulding sleeve 02 And the ejection action of the center top 05 requires a certain stroke, which also significantly increases the molding time and prolongs the production cycle, thereby reducing the overall production efficiency

Method used

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  • Demoulding mechanism of plastic bottle cover mould and implementation method thereof
  • Demoulding mechanism of plastic bottle cover mould and implementation method thereof
  • Demoulding mechanism of plastic bottle cover mould and implementation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Figure 5 ~ Figure 10 A specific embodiment of the present invention is shown, by Figure 5 It can be seen that the demoulding mechanism of the plastic bottle cap mold is arranged on the movable mold of the plastic bottle cap mould, including a support and a step-off device, and the support and a step-off device are related to the mold core assembly used for demoulding in the movable mold. Corresponding settings make each mold core assembly fixed at the molding position when the bottle cap is molded, and when the bottle cap is demolded, the mold core assembly is retracted to realize the ejection of the bottle cap.

[0035] The concrete structure of described support and abdication device is: comprise 8 support blocks 20 that are installed on the moving mold and the backing plate 21 that is provided with abdication space 22, described support block 20 is fixed on the back side of formwork 16, formwork 16 The mold core assembly is installed in the front, and the backing ...

Embodiment 2

[0045] Figure 11 to Figure 14 Another specific embodiment of the present invention is shown; as Figure 11 As shown, in this specific embodiment, when the mold is in the forming state, there is a space between the template 16 and the template 17 . The template 16 is forced by the oil cylinder 19 (multiple oil cylinders can act at the same time), and can still keep the mold core assembly 03, 04, 05 in the correct molding position during injection, and move backward without being affected by the injection pressure. After the molding is completed, the pressure of the oil cylinder 19 can be removed, and then the oil cylinder 18 pushes the templates 14, 15, 16 to make the mold core assembly retreat backwards. By the same principle as in embodiment 1, the bottle cap demoulding effect is realized.

Embodiment 3

[0047] Figure 15 ~ Figure 20 Another specific embodiment of the present invention is shown; this specific embodiment is the same as embodiment 1 except the following features: Figure 15 and Figure 16 Shown support block 20 and Figure 19 , Figure 20 The abdication spaces 22 shown are all distributed in a straight line and parallel direction; the backing plate 21 is driven by a cylinder, an oil cylinder or an electric motor, so that the backing plate 21 can be in a supporting station ( Figure 15 ) and give way ( Figure 16 ).

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Abstract

The invention provides a demoulding mechanism of a plastic bottle cover mould. The demoulding mechanism is arranged on a moving mould of the plastic bottle cover mould and comprises a support and an abdication device, wherein the support and the abdication device are correspondingly arranged with demoulding mould core assemblies in the moving mould, each mould core assembly is fixed on a forming position when the bottle cover is formed, when the bottle cover is demoulded, the retraction of the mold core assembly is realized, and the emersion of the bottle cover is realized. The invention simultaneously provides a demoulding method for realizing the demoulding mechanism by using the plastic bottle cover mould. The demoulding mechanism provided by the invention has the advantages that the structure is reasonable and compact, the volume is small, the production efficiency is high, and the quality of a bottle cover product is processed.

Description

technical field [0001] The invention relates to plastic bottle cap production equipment, in particular to a demoulding mechanism of a plastic bottle cap mold and a realization method thereof. Background technique [0002] Plastic bottles are widely used packaging containers in modern life, and their supporting plastic bottle caps are an indispensable part, so there is a huge demand. The development of modern production technology has gradually reduced the volume and wall thickness of plastic bottle caps with the continuous improvement of industry technology, and has also become a plastic product that combines practicality and aesthetics. In order to improve their own competitiveness, today's plastic packaging container manufacturers not only gradually optimize the product structure, but also continuously improve the production process, which is obviously reflected in shortening the production cycle and improving production efficiency. [0003] The molding cycle of a plastic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/40B29L31/56
CPCB29C45/44B29L2031/56B29C45/2602B29C45/4421B29C45/64B29L2031/565B29C45/2618B29C45/4005
Inventor 刘广发
Owner EVERFINEST PRECISION MACHINERY SHENZHEN
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