Bottle blank plug of heater of plastic bottle blank

A heater and plastic bottle technology, applied in the field of preform plugs, can solve the problems of affecting the heating quality of plastic preforms, no expansion device, and preform tilting, etc.

Inactive Publication Date: 2006-05-31
汪祥建
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The preform plug of the existing plastic preform heater is a cylindrical metal piece. When working, the plastic preform mouth is set outside the plug, and the inner wall of the preform mouth and the outer wa

Method used

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  • Bottle blank plug of heater of plastic bottle blank
  • Bottle blank plug of heater of plastic bottle blank

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Experimental program
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Embodiment Construction

[0007] The invention discloses a bottle blank plug of a plastic bottle blank heater, which is a part of the plastic bottle blank heater. The main structure has a main body 1. The main body is connected to the preform conveying mechanism. The preform conveying mechanism is generally a carrying mechanism driven by a chain. The connection can be as follows: figure 1 Connected by screws 5 as shown. It is characterized in that the outer wall of the main body 1 is formed with a movable groove 7, and a movable ring piece 3 is installed in the movable groove. Due to processing needs, one end of the movable ring piece 3 is fixed by a limit pad 4, and the limit pad 4 can be made of steel or copper. Material is made, and copper heat dissipation is good, elastic ring 2 is installed in the inboard of movable ring sheet 3. With the movable ring piece and the elastic ring, the size of the shape of the plug can be automatically adjusted, and the inner mouth of the plastic preform can be tigh...

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PUM

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Abstract

A plug of the plastic bottle blank heater for inserting it in the mouth of plastic bottle blank has a main body connected to the bottle blank delivering mechanism and with a slot on its external surface. A movable ring is installed in said slot and is fixed by a limiting pad. An elastic ring is installed at inside of said movable for fastening the bottle blank.

Description

technical field [0001] The invention relates to a bottle blank plug of a plastic bottle blank heater, which belongs to a part of hollow plastic container processing equipment. Background technique [0002] Plastic hollow containers are processed by injection stretch blowing, such as mineral water bottles, oil bottles and cosmetic bottles. Molding, therefore, need to have plastic bottle base (or claim bottle tube) heater, the plug that connects bottle base is arranged on the bottle base heater. The preform plug of the existing plastic preform heater is a cylindrical metal part. When working, the plastic preform mouth is set outside the plug, and the inner wall of the preform mouth and the outer wall of the plug are matched to heat with the conveying mechanism. Adjustable expansion device, so the preform tends to tilt or fall off during heating, which affects the heating quality of the plastic preform. Contents of the invention ...

Claims

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Application Information

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IPC IPC(8): B29C49/64B29C49/42
Inventor 汪祥建
Owner 汪祥建
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