CN102990851B - Preparation process of plastic cup by molding PC flower film on AS inner liner in heat transfer printing manner - Google Patents
Preparation process of plastic cup by molding PC flower film on AS inner liner in heat transfer printing manner Download PDFInfo
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- CN102990851B CN102990851B CN201210354106.2A CN201210354106A CN102990851B CN 102990851 B CN102990851 B CN 102990851B CN 201210354106 A CN201210354106 A CN 201210354106A CN 102990851 B CN102990851 B CN 102990851B
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Abstract
The invention discloses a preparation process of a plastic cup by molding a PC (Poly Carbonate) flower film on an AS (Acrylonitrile Styrene) inner liner in a heat transfer printing manner. The preparation process comprises the following steps: forming a cup body and the inner liner in an injection molding manner by joint use of an injection molding machine and a cup body die and an inner liner die of the plastic cup; molding the PC flower film on the outer wall of the inner liner of the plastic cup in the heat transfer printing manner by utilizing a heat transfer printing machine, thereby forming an integrated structure; and sleeving the AS inner liner having the outer wall with the heat transfer printed PC flower film in the cup body to carry out injection molding, thereby forming the final integrated structure. The preparation process has a novel design, i.e. the PC flower film is reasonably molded on the outer wall of the AS inner liner in the heat transfer printing manner by utilizing different melting points between the PC flower film and the AS material, thereby overcoming the defect of the traditional plastic cup with patterns on the external wall. Therefore, the pictures are prevented from being abraded easily. In addition, the plastic cup has a beautiful appearance.
Description
technical field:
The present invention relates to plastic cup manufacturing technology, particularly relate to the hot plastic cup manufacturing process be needed on AS inner bag of a kind of PC flower film.
background technology:
Cup kind and in many styles is in the market mostly have their own characteristics each on material, in profile, and wherein the general of plastic material is all adopt injection machine to carry out injection mo(u)lding, and cup is weeded out the old and bring forth the new, and to have tea the demand of cup to meet people's daily life.
But the pattern of the cup on market is all generally adopt serigraphy, pattern, by how many kinds of color, just needs screen printing to change plate and prints how many times, waste a large amount of human resources and time resource; In addition on cup, pattern is nearly all be printed on the outer wall of cup, the use of accompanied by long-term, and floral designs are easy to wearing and tearing, affect outward appearance.
Layout on the wall of inner container all the time market never appearing at cup, how to make technique complete, designer and technologist need cooperation, design complete feasible scheme and solve technical problem.
In addition PC spends film by thermoprint on the cup outer wall of AS material all the time, because various factors can not get solving all the time.
PC flower film is exactly PC film in fact, it is the abbreviation of polycarbonate film, it is colourless or micro-yellow thermoplastic engineering plastic of a kind of unformed, odorless, nontoxic, highly transparent, there is excellent physical and mechanical properties, especially excellent impact resistance, hot strength, bending strength, compressive strength are high; Creep properties is little, dimensionally stable; There is good heat resistance and lower temperature resistance, in wider temperature range, there is stable mechanical property, dimensional stability, electrical property and anti-flammability, can at-60 ~ 120 DEG C Long-Time Service; Without sharp melting point, at 220 ~ 230 DEG C in molten condition; Because strand rigidity is large, resin melt viscosity is large; Water absorption rate is little, and shrinkage factor is little, and dimensional accuracy is high, good stability of the dimension, and banana is little; Belong to self-extinguishing; Light is stablized, but not ultraviolet resistance, good weatherability; Oil resistant, acidproof, not resistance to highly basic, oxidizing acid and amine, ketone, be dissolved in chlorinated hydrocarbons and aromatic solvent, and in water, easily cause hydrolysis and cracking for a long time, shortcoming is because fatigue resistance is poor, and easily produce stress cracking, solvent resistance is poor, and wearability is not good enough.
AS material is generally the copolymer of styrene (A), acrylonitrile styrene (S), SAN (SAN) is water white thermoplastic resin, there is heat-resisting quantity, outstanding glossiness and resistant to chemical media, also have excellent hardness, rigidity, dimensional stability and higher bearing capacity.Due to this resin inherent transparency, therefore very commonly for the manufacture of clear plastic articles.Fusion temperature: 200 ~ 270 DEG C.If processing thick article, the fusion temperature lower than lower limit can be used.Mold temperature: 40 ~ 80 DEG C.For enhancement mode material, mold temperature does not exceed 60 DEG C.Cooling system must design well, because mold temperature will directly affect outward appearance, the shrinkage factor of goods and bend. injection pressure: 350 ~ 1300bar=35 ~ 130Mpa, injection speed: suggestion uses high speed injection.Runner and cast gate: the cast gate of all routines can use.Gate size must be very appropriate, to avoid producing striped, burnt spot and space.
For physics and the chemical characteristic of above-mentioned PC flower film and AS material, carry out attempting many times, finally overcome PC flower film and AS material carries out the difficult problem that heat is needed on one.
summary of the invention:
The object of this invention is to provide a kind of PC flower film heat and be needed on plastic cup manufacturing process on AS inner bag, technique is simple, considers physics and the chemical characteristic of PC flower film and AS material, solves PC flower film and AS material carries out the difficult problem that heat is needed on one.
Technical scheme of the present invention is as follows:
PC flower film heat is needed on the plastic cup manufacturing process on AS inner bag, it is characterized in that, comprises the steps:
1) injection machine is adopted to coordinate plastic cup cup mould and die for inner injection mo(u)lding cup, inner bag; Cup and inner bag technical parameter in injection moulding process is as follows, heating-up temperature: 275 ~ 325 DEG C; Injection pressure: penetrate pressure 1 grade of 30 ~ 65Mpa, penetrates pressure 2 grades of 100 ~ 125Mpa, penetrates pressure 3 grades of 100 ~ 125Mpa, pressurize 45 ~ 75Mpa; Injection speed: firing rate 1 grade of 15 ~ 25mm/s, firing rate 2 grade of 55 ~ 85 mm/s, firing rate 3 grade of 55 ~ 85 mm/s, protect speed 10 ~ 20 mm/s; Inject time: shoot material 4 ~ 9s, cooling 10 ~ 25s, cycle 30 ~ 60s;
2) adopt heat favourable turn that PC flower film is formed one, the heating-up temperature of heat transfer machine 200 ~ 220 DEG C through overheated being needed on plastic cup inner bladder outer wall; Tension adjustment: winding tension 18 ~ 22N, unwinding tension 8 ~ 12 N; Speed control: transfer printing speed control 18 ~ 22r/min, rolling speed control 30 ~ 35 r/min; Transfer printing: transfer printing timing 2.8 ~ 3.5S, transfer printing numerical control 16 ~ 24 r/min; Pool film: put pool timing 2.2 ~ 2.8S, receives pool time delay and is not more than 0.5S;
3) be set in cup by heat on outer wall transferred with the AS inner bag of PC flower film, be positioned over and carry out injection mo(u)lding in the plastic cup formation mould on injection machine and be integrated, in injection moulding process, technical parameter is as follows, heating-up temperature: 212 ~ 218 DEG C; Injection pressure: penetrate pressure 1 grade of 30 ~ 60Mpa, penetrates pressure 2 grades of 105 ~ 115Mpa, penetrates pressure 3 grades of 105 ~ 115Mpa, pressurize 45 ~ 65Mpa; Injection speed: firing rate 1 grade of 18 ~ 22mm/s, firing rate 2 grade of 50 ~ 75 mm/s, firing rate 3 grade of 50 ~ 75 mm/s, protect speed 10 ~ 20 mm/s; Inject time: shoot material 4 ~ 8s, cooling 12 ~ 24s, cycle 35 ~ 55s;
Described PC flower film heat is needed on the plastic cup manufacturing process on AS inner bag, it is characterized in that: adopt heat favourable turn that PC flower film is formed one, the heating-up temperature of heat transfer machine 215 DEG C through overheated being needed on plastic cup inner bladder outer wall; Tension adjustment: winding tension 20 N, unwinding tension 10 N; Speed control: transfer printing speed control 20 r/min, rolling speed control 32 r/min; Transfer printing: transfer printing timing 3.0S, transfer printing numerical control 20 r/min; Pool film: put pool timing 2.5S, receives pool time delay and is not more than 0.45S.
Advantage of the present invention is:
The present invention is novel in design, utilizes the fusing point between PC flower film and AS material different, and reasonably PC flower film heat be transferred on AS inner bladder outer wall, the pattern broken traditions, on cup outer wall, makes pattern be not easy to be worn, specious.
detailed description of the invention:
PC flower film heat is needed on the plastic cup manufacturing process on AS inner bag, comprises the steps:
1) injection machine is adopted to coordinate plastic cup cup mould and die for inner injection mo(u)lding cup, inner bag; Cup and inner bag technical parameter in injection moulding process is as follows, heating-up temperature: 275 ~ 325 DEG C; Injection pressure: penetrate pressure 1 grade of 30 ~ 65Mpa, penetrates pressure 2 grades of 100 ~ 125Mpa, penetrates pressure 3 grades of 100 ~ 125Mpa, pressurize 45 ~ 75Mpa; Injection speed: firing rate 1 grade of 15 ~ 25mm/s, firing rate 2 grade of 55 ~ 85 mm/s, firing rate 3 grade of 55 ~ 85 mm/s, protect speed 10 ~ 20 mm/s; Inject time: shoot material 4 ~ 9s, cooling 10 ~ 25s, cycle 30 ~ 60s;
2) adopt heat favourable turn that PC flower film is formed one, the heating-up temperature of heat transfer machine 200 ~ 220 DEG C through overheated being needed on plastic cup inner bladder outer wall; Tension adjustment: winding tension 18 ~ 22N, unwinding tension 8 ~ 12 N; Speed control: transfer printing speed control 18 ~ 22r/min, rolling speed control 30 ~ 35 r/min; Transfer printing: transfer printing timing 2.8 ~ 3.5S, transfer printing numerical control 16 ~ 24 r/min; Pool film: put pool timing 2.2 ~ 2.8S, receives pool time delay and is not more than 0.5S;
3) be set in cup by heat on outer wall transferred with the AS inner bag of PC flower film, be positioned over and carry out injection mo(u)lding in the plastic cup formation mould on injection machine and be integrated, in injection moulding process, technical parameter is as follows, heating-up temperature: 212 ~ 218 DEG C; Injection pressure: penetrate pressure 1 grade of 30 ~ 60Mpa, penetrates pressure 2 grades of 105 ~ 115Mpa, penetrates pressure 3 grades of 105 ~ 115Mpa, pressurize 45 ~ 65Mpa; Injection speed: firing rate 1 grade of 18 ~ 22mm/s, firing rate 2 grade of 50 ~ 75 mm/s, firing rate 3 grade of 50 ~ 75 mm/s, protect speed 10 ~ 20 mm/s; Inject time: shoot material 4 ~ 8s, cooling 12 ~ 24s, cycle 35 ~ 55s;
Adopt heat favourable turn that PC flower film is formed one, the heating-up temperature of heat transfer machine 215 DEG C through overheated being needed on plastic cup inner bladder outer wall; Tension adjustment: winding tension 20 N, unwinding tension 10 N; Speed control: transfer printing speed control 20 r/min, rolling speed control 32 r/min; Transfer printing: transfer printing timing 3.0S, transfer printing numerical control 20 r/min; Pool film: put pool timing 2.5S, receives pool time delay and is not more than 0.45S.
The present invention utilizes the intersection of temperature range under the molten condition between PC flower film and AS material, and Controlling Technology parameter, is successfully transferred to PC flower film heat on AS material inner bladder outer wall, solves the problem being all the time regarded as not having feasibility.
Claims (2)
1. PC flower film heat is needed on the plastic cup manufacturing process on AS inner bag, it is characterized in that, comprises the steps:
1) injection machine is adopted to coordinate plastic cup cup mould and die for inner injection mo(u)lding cup, inner bag; Cup and inner bag technical parameter in injection moulding process is as follows, heating-up temperature: 275 ~ 325 DEG C; Injection pressure: penetrate pressure 1 grade of 30 ~ 65Mpa, penetrates pressure 2 grades of 100 ~ 125Mpa, penetrates pressure 3 grades of 100 ~ 125Mpa, pressurize 45 ~ 75Mpa; Injection speed: firing rate 1 grade of 15 ~ 25mm/s, firing rate 2 grade of 55 ~ 85 mm/s, firing rate 3 grade of 55 ~ 85 mm/s, protect speed 10 ~ 20 mm/s; Inject time: shoot material 4 ~ 9s, cooling 10 ~ 25s, cycle 30 ~ 60s;
2) adopt heat favourable turn that PC flower film is formed one, the heating-up temperature of heat transfer machine 200 ~ 220 DEG C through overheated being needed on plastic cup inner bladder outer wall; Tension adjustment: winding tension 18 ~ 22N, unwinding tension 8 ~ 12 N; Speed control: transfer printing speed control 18 ~ 22r/min, rolling speed control 30 ~ 35 r/min; Transfer printing: transfer printing timing 2.8 ~ 3.5S, transfer printing numerical control 16 ~ 24 r/min; Pool film: put pool timing 2.2 ~ 2.8S, receives pool time delay and is not more than 0.5S;
3) be set in cup by heat on outer wall transferred with the AS inner bag of PC flower film, be positioned over and carry out injection mo(u)lding in the plastic cup formation mould on injection machine and be integrated, in injection moulding process, technical parameter is as follows, heating-up temperature: 212 ~ 218 DEG C; Injection pressure: penetrate pressure 1 grade of 30 ~ 60Mpa, penetrates pressure 2 grades of 105 ~ 115Mpa, penetrates pressure 3 grades of 105 ~ 115Mpa, pressurize 45 ~ 65Mpa; Injection speed: firing rate 1 grade of 18 ~ 22mm/s, firing rate 2 grade of 50 ~ 75 mm/s, firing rate 3 grade of 50 ~ 75 mm/s, protect speed 10 ~ 20 mm/s; Inject time: shoot material 4 ~ 8s, cooling 12 ~ 24s, cycle 35 ~ 55s.
2. PC flower film heat according to claim 1 is needed on the plastic cup manufacturing process on AS inner bag, it is characterized in that: adopt heat favourable turn that PC flower film is formed one, the heating-up temperature of heat transfer machine 215 DEG C through overheated being needed on plastic cup inner bladder outer wall; Tension adjustment: winding tension 20 N, unwinding tension 10 N; Speed control: transfer printing speed control 20 r/min, rolling speed control 32 r/min; Transfer printing: transfer printing timing 3.0S, transfer printing numerical control 20 r/min; Pool film: put pool timing 2.5S, receives pool time delay and is not more than 0.45S.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210354106.2A CN102990851B (en) | 2012-09-21 | 2012-09-21 | Preparation process of plastic cup by molding PC flower film on AS inner liner in heat transfer printing manner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210354106.2A CN102990851B (en) | 2012-09-21 | 2012-09-21 | Preparation process of plastic cup by molding PC flower film on AS inner liner in heat transfer printing manner |
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| CN102990851A CN102990851A (en) | 2013-03-27 |
| CN102990851B true CN102990851B (en) | 2015-05-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108103813A (en) * | 2017-12-19 | 2018-06-01 | 浙江嘉益保温容器有限公司 | A kind of printing technology of thermal insulation cup paint dye transfer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201022576Y (en) * | 2007-03-16 | 2008-02-20 | 陈建筑 | Plastic cup |
| JP3142948U (en) * | 2008-04-18 | 2008-07-03 | 関東プラスチック工業株式会社 | Tableware with pattern made of transparent resin |
| CN101263967A (en) * | 2008-04-17 | 2008-09-17 | 侯更尧 | Hollow out metal modeling and technique method for preparing vessel combination with plastic |
| CN201436933U (en) * | 2009-06-29 | 2010-04-14 | 深圳新昌塑胶用品有限公司 | Three-dimensional picture luminous cup |
-
2012
- 2012-09-21 CN CN201210354106.2A patent/CN102990851B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201022576Y (en) * | 2007-03-16 | 2008-02-20 | 陈建筑 | Plastic cup |
| CN101263967A (en) * | 2008-04-17 | 2008-09-17 | 侯更尧 | Hollow out metal modeling and technique method for preparing vessel combination with plastic |
| JP3142948U (en) * | 2008-04-18 | 2008-07-03 | 関東プラスチック工業株式会社 | Tableware with pattern made of transparent resin |
| CN201436933U (en) * | 2009-06-29 | 2010-04-14 | 深圳新昌塑胶用品有限公司 | Three-dimensional picture luminous cup |
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