CN103101185B - Bottom-to-bottom bottle blowing mold and manufacturing method thereof - Google Patents
Bottom-to-bottom bottle blowing mold and manufacturing method thereof Download PDFInfo
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- CN103101185B CN103101185B CN201310032325.3A CN201310032325A CN103101185B CN 103101185 B CN103101185 B CN 103101185B CN 201310032325 A CN201310032325 A CN 201310032325A CN 103101185 B CN103101185 B CN 103101185B
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Abstract
The invention discloses a bottom-to-bottom bottle blowing mold which comprises a mold frame, wherein the upper end of the mold frame is provided with an upper bottleneck insert, an upper mold cavity is arranged below the upper bottleneck insert, an upper bottle bottom insert is arranged below the upper mold cavity, a lower bottle bottom insert is arranged below the upper bottle bottom insert, a lower mold cavity is arrange below the lower bottle bottom insert, a lower bottleneck insert is arranged below the lower mold cavity, a folding part with an elastic bulge in the process of demolding is arranged between the upper bottle bottom insert and the lower bottle bottom insert, and the stretched length of the folding part is greater than or equal to the sum of the inwards sunken depth of the bottom of the upper mold cavity and the inwards sunken depth of the bottom of the lower mold cavity. The invention also provides a manufacturing method of the bottom-to-bottom bottle blowing mold. According to the invention, the problems that the production is abnormal, the qualified rate is low, and the capacity is low, and the like in the prior art are effectively solved; and the bottom-to-bottom bottle blowing mold has the characteristics of simple structure, easy operation, flexible operation, labor saving, high capacity, high production efficiency and high qualified rate, and the like.
Description
Technical field
A kind of end, is to end bottle blowing mould and manufacture method thereof specifically to end bottle blowing technique to the present invention relates to the end in blow molding process.
Background technology
In prior art, in order to make bottle steadily stand, bottom blow molded bottle, be all designed to recess.Within being recessed in 0.8mm at the bottom of product bottle after shaping, forced stripper mechanism can complete, and when being recessed in 0.8-2.5mm, the demoulding will have problems, and when depression is more than 2.5mm, just needs design on mould to take out the end and solves release problems.
Owing to caving at the bottom of blow molded bottle, during the demoulding, mold bottom can make product to top offset; And the mould that the end is designed bottom structure, because product needs upper and lower bidirectional displacement simultaneously, so will rupture between clip bottom product and tailing, following product just can not the demoulding smoothly, and the product broken will be stayed in mold cavity, causes to produce and pauses.
In sum, in prior art, existence production is abnormal, qualification rate is low and the low inferior problem of production capacity.
Summary of the invention
The object of the invention is to overcome the deficiency that above prior art exists, provide that a kind of structure is simple, easy and simple to handle, operating flexibility, saving is artificial, production capacity is high, production efficiency is high and qualification rate the is high end is to end bottle blowing mould.
Another object of the present invention is to the manufacture method providing a kind of end to end bottle blowing mould.
In order to achieve the above object, the present invention is by the following technical solutions: a kind of end is to end bottle blowing mould, comprise mould bases, mould bases upper end is upper bottleneck mold insert, be upper impression under upper bottleneck mold insert, it is mold insert at the bottom of upper bottle under upper impression, it is mold insert at the bottom of lower bottle under mold insert at the bottom of upper bottle, be lower impressions under mold insert at the bottom of lower bottle, it is lower bottleneck mold insert under lower impressions, the folding part that one makes to have during the demoulding elastic bumps is had between mold insert at the bottom of mold insert at the bottom of upper bottle and lower bottle, the tensile elongation of folding part is more than or equal to the degree of depth sum caved inward bottom the degree of depth and lower impressions that cave inward bottom upper impression.
Preferably, described folding part tensile elongation equals the degree of depth sum that caves inward bottom the degree of depth that caves inward bottom upper impression and lower impressions.
Preferably, described folding part is " V " or " M " shape structure, specifically according to the Design of length stretched.
The end, to a manufacture method for end bottle blowing mould, comprises the following steps:
(1), according to designing requirement, offering bottleneck mold insert in mould bases upper end, is upper impression under upper bottleneck mold insert, is mold insert at the bottom of upper bottle under upper impression, is mold insert at the bottom of lower bottle under mold insert at the bottom of upper bottle, is lower impressions under mold insert at the bottom of lower bottle, is lower bottleneck mold insert under lower impressions;
(2), according to folding part tensile elongation be more than or equal to the degree of depth sum caved inward bottom the degree of depth and lower impressions caved inward bottom upper impression, folding part offered by mould;
(3), mould shape.
Folding part tensile elongation in described step (2) equals the degree of depth sum caved inward bottom the degree of depth that caves inward bottom upper impression and lower impressions.
" V " or " M " shape structure is selected according to tensile elongation in folding part in described step (2).
The present invention, relative to prior art, has following advantage and effect:
1, the present invention adopts and comprises mould bases, mould bases upper end is upper bottleneck mold insert, be upper impression under upper bottleneck mold insert, it is mold insert at the bottom of upper bottle under upper impression, it is mold insert at the bottom of lower bottle under mold insert at the bottom of upper bottle, be lower impressions under mold insert at the bottom of lower bottle, it is lower bottleneck mold insert under lower impressions, the folding part that one makes to have during the demoulding elastic bumps is had between mold insert at the bottom of mold insert at the bottom of upper bottle and lower bottle, the tensile elongation of folding part is more than or equal to the degree of depth sum caved inward bottom the degree of depth and lower impressions that cave inward bottom upper impression, solves the bottleneck problem of the end to bottom die targetedly.This structure makes the end come true to mould bases tool volume production, and energy consumption is constant, output increased one times, the design have structure simple, make easily, operating flexibility, saving is artificial, production capacity is high, production efficiency is high and qualification rate high.
2, the folding part in the present invention, on the product produced bottle base material and lower bottle base expect between resilient projection, can be stretched corresponding length, during product stripping, this position is stretched, product is deviate from smoothly from die cavity, and transfers to secondary mould, in secondary mould, carry out back-end crop, qualification rate, from original 40%, brings up to present more than 95%.
3, the product produced of the present invention, positioner does not find loosening phenomenon, without the need to arranging 2 people to check on the quality after back-end crop.
4, qualification rate of the present invention is high, can stop to shut down adjustment mould clip position, enhances productivity.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is the top view that the present invention produces product;
Fig. 3 is the front view that the present invention produces product.
Number in the figure and title as follows:
| 1 | Mould bases | 2 | Upper bottleneck mold insert |
| 3 | Upper impression | 4 | Mold insert at the bottom of upper bottle |
| 5 | Mold insert at the bottom of lower bottle | 6 | Lower impressions |
| 7 | Lower bottleneck mold insert | 8 | Folding part |
| 9 | Upper bottle | 10 | Lower bottle |
| 11 | Upper bottle base material | 12 | Lower bottle base material |
| 13 | Elastic bumps | ? | ? |
Detailed description of the invention
For ease of it will be appreciated by those skilled in the art that the present invention is described in further detail below in conjunction with drawings and Examples.
Embodiment 1:
As shown in Fig. 1 ~ 3, a kind of end, is to end bottle blowing mould, comprise mould bases 1, mould bases 1 upper end is upper bottleneck mold insert 2, upper bottleneck mold insert is for 2 times upper impression 3, upper impression is for 3 times mold insert 4 at the bottom of upper bottle, mold insert at the bottom of upper bottle is for 4 times mold insert 5 at the bottom of lower bottle, mold insert at the bottom of lower bottle is for 5 times lower impressions 6, lower impressions is for 6 times lower bottleneck mold insert 7, have the folding part 8 that makes to have during the demoulding elastic bumps at the bottom of mold insert 4 at the bottom of upper bottle and lower bottle between mold insert 7, the tensile elongation of folding part 8 is more than or equal to the degree of depth sum caved inward bottom the degree of depth and lower impressions 6 that cave inward bottom upper impression 3.
Folding part 8 tensile elongation in the present embodiment equals the degree of depth sum caved inward bottom the degree of depth that caves inward bottom upper impression 3 and lower impressions 6, and folding part 8 is " V " or " M " shape structure, and in the present embodiment, folding part 8 is " V " shape structure.
The end, to a manufacture method for end bottle blowing mould, comprises the following steps:
(1), according to designing requirement, mould bases 1 offers bottleneck mold insert 2, upper bottleneck mold insert is for 2 times upper impression 3, upper impression is for 3 times mold insert 4 at the bottom of upper bottle, mold insert at the bottom of upper bottle is for 4 times mold insert 5 at the bottom of lower bottle, and mold insert at the bottom of lower bottle is for 5 times lower impressions 6, and lower impressions is for 6 times lower bottleneck mold insert 7;
(2), according to folding part 8 tensile elongation be more than or equal to the degree of depth sum caved inward bottom the degree of depth and lower impressions 6 caved inward bottom upper impression 3, folding part 8 offered by mould;
(3), mould shape.
Folding part 8 tensile elongation in the present embodiment in step (2) equals the degree of depth sum caved inward bottom the degree of depth that caves inward bottom upper impression and lower impressions, and the folding part in the present embodiment in step (2) is " V " shape structure.Certainly, tensile elongation also can be designed to " M " type structure according to actual needs.
As Fig. 2, shown in 3, all cave inward bottom the upper bottle 9 adopting above-mentioned mould to produce product and bottom lower bottle 10, and centre position has upper bottle base material 11 and the lower bottle base material 12 of flat respectively bottom upper bottle 9 and bottom lower bottle 10, " V " shape structural elasticity projection 13 is had between upper bottle base material 11 and lower bottle base material 12, the tensile elongation of " V " shape structural elasticity projection 13 is more than or equal to the shrinkage factor of depression * 2* product at the bottom of product bottle, therefore during the demoulding, can be stretched corresponding displacement, reduce product displacement to the stretching of bottom notch, it is made not rupture, thus make continuous seepage become possibility, from original qualification rate 40%, bring up to present more than 95%.
Above-mentioned detailed description of the invention is the preferred embodiments of the present invention, can not limit the present invention, and any of other does not deviate from technical scheme of the present invention and the substitute mode of the change made or other equivalence, is included within protection scope of the present invention.
Claims (6)
1. at the bottom of one kind to end bottle blowing mould, it is characterized in that: comprise mould bases, mould bases upper end is upper bottleneck mold insert, be upper impression under upper bottleneck mold insert, it is mold insert at the bottom of upper bottle under upper impression, it is mold insert at the bottom of lower bottle under mold insert at the bottom of upper bottle, be lower impressions under mold insert at the bottom of lower bottle, it is lower bottleneck mold insert under lower impressions, have the folding part that makes to have during the demoulding elastic bumps at the bottom of mold insert at the bottom of upper bottle and lower bottle between mold insert, the tensile elongation of folding part is more than or equal to the degree of depth sum caved inward bottom the degree of depth and lower impressions that cave inward bottom upper impression.
2. the end according to claim 1, is to end bottle blowing mould, it is characterized in that: described folding part tensile elongation equals the degree of depth sum caved inward bottom the degree of depth that caves inward bottom upper impression and lower impressions.
3. the end according to claim 1, is to end bottle blowing mould, it is characterized in that: described folding part is " V " or " M " shape structure.
4. the end according to claim 1, is to a manufacture method for end bottle blowing mould, it is characterized in that, comprises the following steps:
(1), according to designing requirement, offering bottleneck mold insert in mould bases upper end, is upper impression under upper bottleneck mold insert, is mold insert at the bottom of upper bottle under upper impression, is mold insert at the bottom of lower bottle under mold insert at the bottom of upper bottle, is lower impressions under mold insert at the bottom of lower bottle, is lower bottleneck mold insert under lower impressions;
(2), according to folding part tensile elongation be more than or equal to the degree of depth sum caved inward bottom the degree of depth and lower impressions caved inward bottom upper impression, folding part offered by mould;
(3), mould shape.
5. the end according to claim 4, is to the manufacture method of end bottle blowing mould, it is characterized in that: the folding part tensile elongation in described step (2) equals the degree of depth sum caved inward bottom the degree of depth that caves inward bottom upper impression and lower impressions.
6. the end according to claim 4, is to the manufacture method of end bottle blowing mould, it is characterized in that: " V " or " M " shape structure is selected according to tensile elongation in the folding part in described step (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310032325.3A CN103101185B (en) | 2013-01-28 | 2013-01-28 | Bottom-to-bottom bottle blowing mold and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310032325.3A CN103101185B (en) | 2013-01-28 | 2013-01-28 | Bottom-to-bottom bottle blowing mold and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103101185A CN103101185A (en) | 2013-05-15 |
| CN103101185B true CN103101185B (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310032325.3A Active CN103101185B (en) | 2013-01-28 | 2013-01-28 | Bottom-to-bottom bottle blowing mold and manufacturing method thereof |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3394209A (en) * | 1960-05-09 | 1968-07-23 | Dow Chemical Co | Method and apparatus for blowing plastic bottles |
| US3862698A (en) * | 1973-06-01 | 1975-01-28 | Ethyl Dev Corp | Blow molded article of manufacture |
| US20060177537A1 (en) * | 2005-02-08 | 2006-08-10 | Boden Christian S | Apparatus for blow molding |
| CN201506025U (en) * | 2009-09-30 | 2010-06-16 | 杭州松源机械制造有限公司 | One blank double-cavity bottom-to-bottom squeeze blowing mould |
| CN101966748B (en) * | 2010-09-15 | 2014-04-30 | 湖南千山制药机械股份有限公司 | Mould device, equipment and method for producing plastic container |
| CN203093028U (en) * | 2013-01-28 | 2013-07-31 | 广州丽盈塑料有限公司 | Bottom-to-bottom bottle blowing mold |
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- 2013-01-28 CN CN201310032325.3A patent/CN103101185B/en active Active
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Effective date of registration: 20160623 Address after: 518000 Guangdong city of Shenzhen province Baoan District manhole Street sand emperor Hall Road No. 75 Patentee after: SHENZHEN LIQI TECHNOLOGY CO., LTD. Address before: 511300, Guangdong, Guangzhou province Zengcheng Jiang Street East high tech Industrial Base Patentee before: Guangzhou Liying Plastic Co., Ltd. |