CN109895313A - A kind of anti-theft bottle cap pressure control injection molding forming method - Google Patents
A kind of anti-theft bottle cap pressure control injection molding forming method Download PDFInfo
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- CN109895313A CN109895313A CN201910197228.7A CN201910197228A CN109895313A CN 109895313 A CN109895313 A CN 109895313A CN 201910197228 A CN201910197228 A CN 201910197228A CN 109895313 A CN109895313 A CN 109895313A
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- bottle cap
- injection molding
- pressure control
- forming method
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Abstract
The invention discloses a kind of anti-theft bottle cap pressure control injection molding forming method, (1) prepares raw material, and feed particles is put into barrel according to high density polyethylene (HDPE), color masterbatch, antioxidant, adsorbent, lubricant；(2) feed particulate material is heated to viscous state melt by heating cylinder；(3) it is quickly propelled by screw rod, melt plastics are injected in mold and is full of chamber；(4) after melt plastics cooling meat, screw rod supplement melt plastics are slowly advanced, until full of cooling melt plastics in mold；(5) bottle cap product is ejected out of mold and falls to conveyer belt, be cooled to room temperature, and carry out bottle cap surface disinfection；(6) bottle cap is inspected by random samples；(7) bottle cap is packaged, obtains final bottle cap product.The present invention has easy to operate efficient, the beneficial effect of excellent product performance.
Description
Technical field
The present invention relates to bottle cap injection molding art more particularly to a kind of anti-theft bottle cap pressure control injection molding forming methods.
Background technique
Anti-theft bottle cap is packed in bottle class, and especially field of beverage is widely used；Anti-theft bottle cap is equipped with ring on the inner wall of top
The lower end of shape leakage-proof ring, bottle cap connects an anti-theft ring by pulling force reinforcing rib, while being uniformly distributed on the inner wall of anti-theft ring
There are several strip of sheet convolution pulling force wings.
The production of anti-theft bottle cap has compression moulding and injection molding two ways, and compression moulding can not be integrally formed entire lid, need
Later period is processed.Injection molding can improve production efficiency also properties of product with one-pass molding.But it is molded the requirement ratio to raw material
It is higher, suitable raw material and the suitable injection moulding process for raw material design are searched out, is always in anti-theft bottle cap production practices
Problem.
Summary of the invention
Goal of the invention: in view of the deficiencies of the prior art with defect, the present invention provides a kind of anti-theft bottle cap pressure control injection molding
Method has easy to operate efficient, the beneficial effect of excellent product performance.
A kind of technical solution: anti-theft bottle cap pressure control injection molding forming method of the invention, it is characterised in that: including following steps
It is rapid:
(1) according to 90~100 parts of high density polyethylene (HDPE), 1~6 part of color masterbatch, 1~4 part of antioxidant, 1~3 part of adsorbent,
1~4 part of preparation raw material of lubricant, and feed particles are put into barrel；
(2) feed particulate material is heated to viscous state melt to 200 DEG C~240 DEG C by heating cylinder；
(3) it is quickly propelled by screw rod, melt plastics are injected in mold and is full of chamber；
(4) after melt plastics cooling meat, screw rod supplement melt plastics are slowly advanced, until full of cooling in mold
To 70 DEG C~80 DEG C of melt plastics, control pressure maintaining is 1000PSI~1400PSI；
(5) bottle cap product is ejected out of mold and falls to conveyer belt, bottle cap is cooled to by exhaust fan
Room temperature, and bottle cap surface disinfection is carried out by ultraviolet light；
(6) bottle cap is inspected by random samples, tests its leakproofness and thermal stability；
(7) bottle cap is packaged, obtains final bottle cap product.
Wherein, the color masterbatch is polyethylene color and pigment content is 35%~55%.
Wherein, the antioxidant is 2,6- di-tert-butyl-4-methy phenol, three (Isosorbide-5-Nitrae-di-tert-butyl-phenyl) phosphorous acid
Ester, 1, one or more of 3,5- tri- (3,5- di-tert-butyl-4-hydroxyl benzyl) isocyanuric acids.
Wherein, the adsorbent is silica, active carbon or molecular sieve.
Wherein, the lubricant is calcium stearate or zinc stearate.
Wherein, the adsorbent is surface-treated by ball milling method, and the grinding revolving speed of ball milling method is 1500rpm
~3000rpm, milling time are 30min~60min.
The utility model has the advantages that compared with prior art, the present invention has following remarkable advantage: the present invention be directed to anti-theft bottle caps to set
The integrated molding injection moulding process of meter has easy to operate efficient, the beneficial effect of excellent product performance.Meanwhile the present invention uses
The raw material components of characteristic proportion, high density polyethylene (HDPE) is primary raw material, and rigidity, toughness, mechanical strength, hardness, to draw high intensity excellent
It is different, conducive to the production of bottle cap, also it is conducive to the use in later period；Using calcium stearate or zinc stearate as lubricant, meet food safety
It is required that.
Specific embodiment
Technical solution of the present invention is further described With reference to embodiment.
Embodiment 1: the raw material of the anti-theft bottle cap of the present embodiment is 90 parts of high density polyethylene (HDPE), high density polyethylene (HDPE) melt flow
Dynamic rate is 1.0g/10min, density 0.95g/cm3；1 part of polyethylene color, pigment content 35%；2,6- bis- tertiary fourths
1 part of base -4- methylphenol；Silica 1 part, is surface-treated by ball milling method, and the grinding revolving speed of ball milling method is
1500rpm, milling time 30min；1 part of calcium stearate.
The present embodiment anti-theft bottle cap pressure control injection molding forming method, includes the following steps: (1) according to high density polyethylene (HDPE) 90
1 part of part, 1 part of color masterbatch, 1 part of antioxidant, 1 part of adsorbent, lubricant preparation raw material, and feed particles are put into barrel；(2)
Heating cylinder is heated to viscous state melt to 200 DEG C, by feed particulate material；(3) it is quickly propelled by screw rod, melt plastics is infused
Enter in mold and full of chamber；(4) after melt plastics cooling meat, screw rod supplement melt plastics are slowly advanced, until mould
Full of the melt plastics for being cooled to 70 DEG C in tool chamber, control pressure maintaining is 1000PSI；(5) by bottle cap product out of mold
Ejection falls to conveyer belt, is cooled to room temperature by exhaust fan to bottle cap, and carries out bottle cap surface disinfection by ultraviolet light；
(6) bottle cap is inspected by random samples, tests its leakproofness and thermal stability；(7) bottle cap is packaged, obtains final bottle cap and produces
Product.
After tested, the qualification rate of the anti-theft bottle cap of the present embodiment is 99.9%.
Embodiment 2: the raw material of the anti-theft bottle cap of the present embodiment is 100 parts of high density polyethylene (HDPE), high density polyethylene (HDPE) melt
Flow rate is 4.5g/10min, density 0.96g/cm3；6 parts of polyethylene color, pigment content 55%；Three (Isosorbide-5-Nitraes-two
Tert-butyl-phenyl) 4 parts of phosphite ester；It 3 parts of active carbon, is surface-treated by ball milling method, the grinding revolving speed of ball milling method
For 3000rpm, milling time 60min；4 parts of zinc stearate.
The present embodiment anti-theft bottle cap pressure control injection molding forming method, includes the following steps: (1) according to high density polyethylene (HDPE) 100
4 parts of part, 6 parts of color masterbatch, 4 parts of antioxidant, 3 parts of adsorbent, lubricant preparation raw materials, and feed particles are put into barrel；(2)
Heating cylinder is heated to viscous state melt to 240 DEG C, by feed particulate material；(3) it is quickly propelled by screw rod, melt plastics is infused
Enter in mold and full of chamber；(4) after melt plastics cooling meat, screw rod supplement melt plastics are slowly advanced, until mould
Full of the melt plastics for being cooled to 80 DEG C in tool chamber, control pressure maintaining is 1400PSI；(5) by bottle cap product out of mold
Ejection falls to conveyer belt, is cooled to room temperature by exhaust fan to bottle cap, and carries out bottle cap surface disinfection by ultraviolet light；
(6) bottle cap is inspected by random samples, tests its leakproofness and thermal stability；(7) bottle cap is packaged, obtains final bottle cap and produces
Product.
After tested, the qualification rate of the anti-theft bottle cap of the present embodiment is 100%.
Embodiment 3: the raw material of the anti-theft bottle cap of the present embodiment is 92 parts of high density polyethylene (HDPE), high density polyethylene (HDPE) melt flow
Dynamic rate is 2.5g/10min, density 0.955g/cm3；2 parts of polyethylene color, pigment content 40%；1,3,5- tri-
2 parts of isocyanuric acid of (3,5- di-tert-butyl-4-hydroxyl benzyl)；It 2 parts of molecular sieve, is surface-treated by ball milling method, ball milling
The grinding revolving speed of mode is 1600rpm, milling time 40min；2 parts of calcium stearate.
The present embodiment anti-theft bottle cap pressure control injection molding forming method, includes the following steps: (1) according to high density polyethylene (HDPE) 92
2 parts of part, 2 parts of color masterbatch, 2 parts of antioxidant, 2 parts of adsorbent, lubricant preparation raw materials, and feed particles are put into barrel；(2)
Heating cylinder is heated to viscous state melt to 220 DEG C, by feed particulate material；(3) it is quickly propelled by screw rod, melt plastics is infused
Enter in mold and full of chamber；(4) after melt plastics cooling meat, screw rod supplement melt plastics are slowly advanced, until mould
Full of the melt plastics for being cooled to 75 DEG C in tool chamber, control pressure maintaining is 1200PSI；(5) by bottle cap product out of mold
Ejection falls to conveyer belt, is cooled to room temperature by exhaust fan to bottle cap, and carries out bottle cap surface disinfection by ultraviolet light；
(6) bottle cap is inspected by random samples, tests its leakproofness and thermal stability；(7) bottle cap is packaged, obtains final bottle cap and produces
Product.
After tested, the qualification rate of the anti-theft bottle cap of the present embodiment is 99.9%.
Embodiment 4: the raw material of the anti-theft bottle cap of the present embodiment is 95 parts of high density polyethylene (HDPE), high density polyethylene (HDPE) melt flow
Dynamic rate is 1.5g/10min, density 0.952g/cm3；3.5 parts of polyethylene color, pigment content 32%；2,6- bis- uncles
2.5 parts of phosphite mixture of butyl -4- methylphenol, three (Isosorbide-5-Nitrae-di-tert-butyl-phenyl)；2 parts of silica, by ball milling
Mode is surface-treated, and the grinding revolving speed of ball milling method is 2000rpm, milling time 45min；2.5 parts of zinc stearate.
The present embodiment anti-theft bottle cap pressure control injection molding forming method, includes the following steps: (1) according to high density polyethylene (HDPE) 95
2.5 parts of part, 3.5 parts of color masterbatch, 2.5 parts of antioxidant, 2 parts of adsorbent, lubricant preparation raw materials, and feed particles are put into barrel
In；(2) feed particulate material is heated to viscous state melt to 210 DEG C by heating cylinder；(3) it is quickly propelled by screw rod, by melt
Plastics inject in mold and are full of chamber；(4) after melt plastics cooling meat, screw rod supplement melt plastics are slowly advanced,
Until control pressure maintaining is 1100PSI full of the melt plastics for being cooled to 72 DEG C in mold；(5) by bottle cap product from mold
Ejection falls to conveyer belt in chamber, is cooled to room temperature by exhaust fan to bottle cap, and carries out bottle cap table by ultraviolet light
Face sterilization；(6) bottle cap is inspected by random samples, tests its leakproofness and thermal stability；(7) bottle cap is packaged, is obtained final
Bottle cap product.
After tested, the qualification rate of the anti-theft bottle cap of the present embodiment is 100%.
Embodiment 5: the raw material of the anti-theft bottle cap of the present embodiment is 98 parts of high density polyethylene (HDPE), high density polyethylene (HDPE) melt flow
Dynamic rate is 4g/10min, density 0.958g/cm3；5 parts of polyethylene color, pigment content 52%；Three (- two uncles of Isosorbide-5-Nitrae
Butyl phenyl) phosphite ester, 1,3,5- tri- 3 parts of isocyanuric acid mixture of (3,5- di-tert-butyl-4-hydroxyl benzyl)；Molecular sieve 2
Part, it is surface-treated by ball milling method, the grinding revolving speed of ball milling method is 2800rpm, milling time 55min；It is stearic
3.5 parts of sour calcium.
The present embodiment anti-theft bottle cap pressure control injection molding forming method, includes the following steps: (1) according to high density polyethylene (HDPE) 98
3.5 parts of part, 5 parts of color masterbatch, 3 parts of antioxidant, 2 parts of adsorbent, lubricant preparation raw materials, and feed particles are put into barrel；
(2) feed particulate material is heated to viscous state melt to 230 DEG C by heating cylinder；(3) it is quickly propelled by screw rod, melt is moulded
In material injection mold and it is full of chamber；(4) after melt plastics cooling meat, screw rod supplement melt plastics are slowly advanced, directly
Full of the melt plastics for being cooled to 78 DEG C in mold, control pressure maintaining is 1300PSI；(5) by bottle cap product from mold cavity
Indoor ejection falls to conveyer belt, is cooled to room temperature by exhaust fan to bottle cap, and carries out bottle cap surface by ultraviolet light
Sterilization；(6) bottle cap is inspected by random samples, tests its leakproofness and thermal stability；(7) bottle cap is packaged, obtains final bottle
Lid product.
After tested, the qualification rate of the anti-theft bottle cap of the present embodiment is 100%.
Claims (6)
1. a kind of anti-theft bottle cap pressure control injection molding forming method, it is characterised in that: include the following steps:
(1) according to 90~100 parts of high density polyethylene (HDPE), 1~6 part of color masterbatch, 1~4 part of antioxidant, 1~3 part of adsorbent, lubrication
1~4 part of preparation raw material of agent, and feed particles are put into barrel；
(2) feed particulate material is heated to viscous state melt to 200 DEG C~240 DEG C by heating cylinder；
(3) it is quickly propelled by screw rod, melt plastics are injected in mold and is full of chamber；
(4) after melt plastics cooling meat, screw rod supplement melt plastics is slowly advanced, are cooled to 70 until being full of in mold
DEG C~80 DEG C of melt plastics, control pressure maintaining is 1000PSI~1400PSI；
(5) bottle cap product is ejected out of mold and falls to conveyer belt, bottle cap is cooled to room temperature by exhaust fan,
And bottle cap surface disinfection is carried out by ultraviolet light；
(6) bottle cap is inspected by random samples, tests its leakproofness and thermal stability；
(7) bottle cap is packaged, obtains final bottle cap product.
2. a kind of anti-theft bottle cap pressure control injection molding forming method according to claim 1, it is characterised in that: the color masterbatch
For polyethylene color and pigment content is 35%~55%.
3. a kind of anti-theft bottle cap pressure control injection molding forming method according to claim 1, it is characterised in that: the antioxidant
For 2,6- di-tert-butyl-4-methy phenol, three (Isosorbide-5-Nitrae-di-tert-butyl-phenyl) phosphite esters, 1,3,5- tri- (3,5- di-t-butyls-
One or more of 4- hydroxybenzyl) isocyanuric acid.
4. a kind of anti-theft bottle cap pressure control injection molding forming method according to claim 1, it is characterised in that: the adsorbent
For silica, active carbon or molecular sieve.
5. a kind of anti-theft bottle cap pressure control injection molding forming method according to claim 1, it is characterised in that: the lubricant
For calcium stearate or zinc stearate.
6. a kind of anti-theft bottle cap pressure control injection molding forming method according to claim 1, it is characterised in that: the adsorbent
It is surface-treated by ball milling method, the grinding revolving speed of ball milling method is 1500rpm~3000rpm, milling time 30min
~60min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910197228.7A CN109895313A (en) | 2019-03-15 | 2019-03-15 | A kind of anti-theft bottle cap pressure control injection molding forming method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910197228.7A CN109895313A (en) | 2019-03-15 | 2019-03-15 | A kind of anti-theft bottle cap pressure control injection molding forming method |
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| CN109895313A true CN109895313A (en) | 2019-06-18 |
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| CN201910197228.7A Withdrawn CN109895313A (en) | 2019-03-15 | 2019-03-15 | A kind of anti-theft bottle cap pressure control injection molding forming method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110370587A (en) * | 2019-06-28 | 2019-10-25 | 佛山华新恒丰聚酯包装有限公司 | A kind of preparation method of anti-theft bottle cap |
| CN110900957A (en) * | 2019-11-27 | 2020-03-24 | 湖南乐福地医药包材科技有限公司 | Tear-pull type double-hole polypropylene combined cover and injection molding process thereof |
| CN113214557A (en) * | 2021-05-20 | 2021-08-06 | 漳州市圣铭工贸股份有限公司 | Plastic bottle cap master batch and preparation process thereof |
| CN113980380A (en) * | 2021-12-08 | 2022-01-28 | 连云港市鼎尚包装有限公司 | High and low temperature resistant plastic bottle cap and manufacturing process thereof |
| CN114454441A (en) * | 2021-10-12 | 2022-05-10 | 苏州瑞亨塑胶制品有限公司 | Processing and manufacturing method of screwing plug for liquid injection port of mosquito-repellent incense bottle |
| CN114474621A (en) * | 2021-10-12 | 2022-05-13 | 苏州瑞亨塑胶制品有限公司 | Injection molding method for electric heating mosquito-repellent incense liquid bottle cap |
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| CN102120509A (en) * | 2010-01-12 | 2011-07-13 | 蔡垂接 | Bottle cap suitable for pet bottle and manufacturing method thereof |
| CN105985570A (en) * | 2015-03-06 | 2016-10-05 | 中国石油天然气股份有限公司 | Polyethylene resin composition for mineral water beverage bottle cap and preparation method thereof |
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2019
- 2019-03-15 CN CN201910197228.7A patent/CN109895313A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102120509A (en) * | 2010-01-12 | 2011-07-13 | 蔡垂接 | Bottle cap suitable for pet bottle and manufacturing method thereof |
| CN105985570A (en) * | 2015-03-06 | 2016-10-05 | 中国石油天然气股份有限公司 | Polyethylene resin composition for mineral water beverage bottle cap and preparation method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110370587A (en) * | 2019-06-28 | 2019-10-25 | 佛山华新恒丰聚酯包装有限公司 | A kind of preparation method of anti-theft bottle cap |
| CN110900957A (en) * | 2019-11-27 | 2020-03-24 | 湖南乐福地医药包材科技有限公司 | Tear-pull type double-hole polypropylene combined cover and injection molding process thereof |
| CN113214557A (en) * | 2021-05-20 | 2021-08-06 | 漳州市圣铭工贸股份有限公司 | Plastic bottle cap master batch and preparation process thereof |
| CN114454441A (en) * | 2021-10-12 | 2022-05-10 | 苏州瑞亨塑胶制品有限公司 | Processing and manufacturing method of screwing plug for liquid injection port of mosquito-repellent incense bottle |
| CN114474621A (en) * | 2021-10-12 | 2022-05-13 | 苏州瑞亨塑胶制品有限公司 | Injection molding method for electric heating mosquito-repellent incense liquid bottle cap |
| CN113980380A (en) * | 2021-12-08 | 2022-01-28 | 连云港市鼎尚包装有限公司 | High and low temperature resistant plastic bottle cap and manufacturing process thereof |
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Application publication date: 20190618 |