A preliminary mold for manufacturing small-diameter glass bottles based on the blow-blow method

A glass bottle, small-caliber technology, applied in the direction of blowing-glass blowing molding machine, etc., can solve the problems of difficulty in eliminating the air hoop, not conforming to the thickness ratio of the glass bottle, affecting the mechanical strength of the glass bottle, etc.

Active Publication Date: 2015-08-26
CHANGSHU YULONG GLASS MOLD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003]Using the above-mentioned primary mold, the first puff of air will easily form an indelible air hoop on the bottle wall, and the thickness of the air hoop is at least 1.5 thinner than other parts -2 mm, does not meet the requirements of the thickness ratio in the glass bottle quality standard, affects the mechanical strength of the glass bottle, and is the main reason for the bursting of beer bottles and carbonated beverage bottles
Since the initial mold is the place where the prototype blank is formed, the shape of the initial mold plays an important role in the molding of glass bottle products. The thin wall caused by blowing the blowing hoop is a difficult problem that practitioners have been trying to overcome

Method used

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  • A preliminary mold for manufacturing small-diameter glass bottles based on the blow-blow method
  • A preliminary mold for manufacturing small-diameter glass bottles based on the blow-blow method
  • A preliminary mold for manufacturing small-diameter glass bottles based on the blow-blow method

Examples

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Effect test

no. 1 example

[0021] figure 2 Shown is the initial mold used when manufacturing the 600ml Snowflake brand beer bottle. The cylindrical end 1 has a diameter of 25.3 mm and a height of 6.2 mm; The height is 63 millimeters; the circular platform body 3 is made up of four sections of circular platforms with gradually increasing diameters, and its size from top to bottom is as follows: the diameter of the upper part of the circular platform 34 is 29.5 millimeters, the diameter of the bottom is 36.5 millimeters, and the height is 33.86 millimeters; the diameter of the upper part of the circular platform 33 36.5 millimeters, bottom diameter 39.62 millimeters, height is 62.03 millimeters; Secondary round table 32 upper diameter is 39.62 millimeters, bottom diameter is 46.9 millimeters, height is 31.91 millimeters; End round table 31 upper diameter is 46.9 millimeters, bottom diameter is 47 millimeters, and height is 43 millimeters, The side of the round table is an arc concave inward with a radi...

no. 2 example

[0023] image 3 Shown is the initial mold used in the manufacture of snowflake beer bottles with a volume of 500ml. The diameter of the cylindrical end 1' is 25.3mm and the height is 4.92mm; mm, and a height of 52 mm; the frustum-shaped body 3' is composed of four segments with gradually increasing diameters, and its dimensions from top to bottom are: the diameter of the upper part of the frustum 34' is 29.66 mm, the diameter of the bottom is 35.52 mm, and the height is 35.49 mm; The upper diameter of the round table 33' is 35.52 mm, the bottom diameter is 36.5 mm, and the height is 25.33 mm; the upper diameter of the secondary end round table 32' is 36.5 mm, the bottom diameter is 45.6 mm, and the height is 63.06 mm; the upper diameter of the end round table 31' is 45.6 mm, and the bottom diameter is 46 mm mm, the height is 42 mm, the side of the round platform is an arc concave inwards with a radius of 150 mm; the height of the air hoop area is 35' and the height is 2 mm, ...

no. 3 example

[0025] Figure 4 Shown is the initial mold used in the manufacture of Snowflake beer bottles with a volume of 580ml. The diameter of the cylindrical end 1'' is 25.3mm and the height is 4mm; It is 30.5 mm and the height is 63 mm; the 3'' of the truncated body is composed of four segments with gradually increasing diameters, and its dimensions from top to bottom are: 33.9 mm; the upper diameter of the round table 33'' is 37 mm, the bottom diameter is 40.6 mm, and the height is 61.93 mm; the upper diameter of the secondary end round table 32'' is 40.6 mm, the bottom diameter is 47 mm, and the height is 30.97 mm; the upper part of the end round table 31'' The diameter is 47 mm, the bottom diameter is 47 mm, and the height is 45 mm. The side of the round platform is an arc concave inward with a radius of 200 mm; the height of the air hoop area is 35'' and the height is 2 mm, and the width from the axis to the outside is 23.5 mm, the radius of the side arc is 30 mm; the height of...

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Abstract

The invention relates to a primary die for manufacturing a small-bore glass bottle based on a blow-blow method. The end of a cylinder corresponding to the structure of the glass bottle, the neck and the body of the circular truncated cone and the circular arc bottom of an inverted trapezoid are coaxial and are integrated so as to form the primary die, and the diameter of a puffing hoop area is greater than the diameters of a tail end circular truncated cone top surface and a secondary end circular truncated cone bottom surface. According to the primary die, the problem of thin wall caused by a puffing hoop, which workers in the field always try to solve, is solved through the change of the body shape of the primary die, namely, thickening of the diameter of the puffing hoop and a loading line part, so that the mechanical strength of the glass bottle prepared by the primary die is improved, and the explosion rate of the glass bottle is lowered; high quality glass bottle can be guaranteed to be manufactured through the blow-blow method, and the manufacturing cost is greatly lowered.

Description

technical field [0001] The invention relates to a mold for a glass bottle, in particular to a preliminary mold for a glass bottle with a small mouth. Background technique [0002] At present, in the glass industry, the glass bottle production process is mainly divided into blow-blowing and pressure-blowing. Press-blow method In the production process, the prototype of the glass bottle mouth is stamped and formed by a punch, and there is no process of blowing. Since there is no puffing, there will be no puffing hoop on the bottle wall, and the bottle wall is very uniform. However, the pressure-blow method is mainly used to produce large-mouth bottles, and its equipment cost is relatively high, so it cannot be widely used in the production of small-caliber glass bottles in China. The existing production of small-diameter glass bottles mainly adopts the blow-blow method, which is to drop the material drop into the initial mold, and form the mouth of the bottle and the prototy...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03B9/14
Inventor 王耀良范培景陆燕
Owner CHANGSHU YULONG GLASS MOLD
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