CN102848510B - A kind of preparation method of polyurethane material modeling - Google Patents
A kind of preparation method of polyurethane material modeling Download PDFInfo
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- CN102848510B CN102848510B CN201210335861.6A CN201210335861A CN102848510B CN 102848510 B CN102848510 B CN 102848510B CN 201210335861 A CN201210335861 A CN 201210335861A CN 102848510 B CN102848510 B CN 102848510B
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Abstract
The invention discloses a kind of preparation method of polyurethane material modeling, comprise the following steps: 1. first mould is opened, cleaning dies cavity, fixedly locks accessory and screw on mould; 2. mold-locked to be fixed together and on the disk being placed on rotational molding machine or framework, disk or framework adopt rotation and the co-rotational rotating manner of revolution, mould is fixed on the center line of the longitude and latitude of disk or framework, requires to adjust the rotation of disk or framework and the parameter of revolution rotation according to the different parameters of mould; 3. being fed in mould after at least two kinds of urethane raw mixing, by the disk of conputer controlled rotational molding machine or the rotation of framework, realizing mould and rotating in longitudinal and latitude direction simultaneously, after dies cavity coagulation forming, obtaining moldings.Production process of the present invention is simple, and consumption of materials can control, with short production cycle, reduce production cost, selected material is manufacturing in process and can not producing toxic gas, little to the pollution of environment, compared to existing product, its environmental-protecting performance is more superior.
Description
Technical field
The present invention relates to a kind of preparation method of polyurethane material modeling, particularly relate to a kind of preparation method utilizing dual rotation and implementation model manufacture.
Background technology
At present, method for making body model has two kinds, one is the model adopting unsaturated polyester (UP) (being commonly called as fiberglass) to make, this product manufacture is complicated, the production cycle is long, frangible, and all material can produce toxic gas in process of production, and product surface can produce dust granules in repairing bruting process, not only environmental pollution is serious, also can endanger the healthy of workman, if and its product in use damages or eliminate, be worth because its material does not have to recycle, the words abandoned just can cause secondary pollution environment; Another kind is the model's (being commonly called as plastic model) adopting hot-working plastic production, die cost is high, energy resource consumption is large to adopt the method making model to have, and the shrinkage of product is large, body moulding is unstable, and each joint connection of product has some setbacks, nature, particularly the connection of head and upper body is true not.
Summary of the invention
The object of the invention is for above-mentioned shortcoming, develop a kind of polyurethane material that adopts and make the method for individual layer and double-layer combined model, Window Display stage property by conputer controlled rotation molding.
The technical solution adopted for the present invention to solve the technical problems is: a kind of preparation method of polyurethane material modeling, frame is provided with motor and main shaft, and one end of main shaft is connected with the rotating shaft of motor, and the other end is provided with disk, disk is provided with framework, and comprises the following steps:
1. first mould is opened, cleaning dies cavity, fixedly locks accessory and screw on mould;
2. mold-locked to be fixed together and on the disk being placed on rotational molding machine or framework, disk or framework adopt rotation and the co-rotational rotating manner of revolution, mould is fixed on the center line of the longitude and latitude of disk or framework, requires to adjust the rotation of disk or framework and the parameter of revolution rotation according to the different parameters of mould;
3. being fed in mould after at least two kinds of urethane raw mixing, by the disk of conputer controlled rotational molding machine or the rotation of framework, disk or framework rotate 5-13 minute, realize mould and rotate in longitudinal and latitude direction simultaneously, after dies cavity coagulation forming, obtain moldings.
Further, by two kinds of urethane raw component component A and B component according to 100:70-85 ratio by bottler placer Homogeneous phase mixing within 1-10 second, then from the plup inlet of mould mixed material is injected in mould and rotates 2-3 minute and react, mixed material sticks to dies cavity 3-5 minute coagulation forming, solidified layer thickness is 4-6mm, be collapsible die after product approval in 15-30 minute, the moldings of gained is single-layer type model.Adopt the model that this method makes, the inside of its head, health, four limbs, palm and Window Display stage property is hollow, and its each several part thickness is even, can make model and the Window Display stage property of transparent, primary colors and various pattern.
Further, by two kinds of urethane raw component component A and B component according to 100:60 ratio by bottler placer Homogeneous phase mixing within 1-11 second, then be injected in mould from the plup inlet of mould and rotate 1-2 minute and react, mixed material sticks to dies cavity 2-3 minute and is frozen into skin, outer field thickness is 2-3mm, then shuts down; Again by other two kinds of urethane raw C components and D component according to 100:100 ratio by bottler placer at 1-11 Homogeneous phase mixing second, then to be injected in mould from the plup inlet of mould and to rotate 5-8 minute, form the hard foamed internal layer that one deck imitates wood grain, the thickness of internal layer is 5-7mm, be collapsible die after product approval in 15-31 minute, the moldings of gained is two-layer equation model.Adopt the model that this method makes, the inside of its head, health, four limbs, palm and Window Display stage property is hollow, its each several part thickness is even, and product is double-decker, make this product have better supportive, stability and resistance shock resistance, model and the Window Display stage property of various pattern can be made.
Further, the rotating speed of described disk is 10 turns/min, and the rotating speed of framework is that 3-6 turns/min.
Described component A, B component are respectively PPG, isocyanates, and C component and D component are also respectively PPG, isocyanates.Described PPG is obtained through sudden reaction in the presence of a catalyst by initiator (compound containing active hydrogen group) and oxirane (EO), expoxy propane (PO), epoxy butane (BO) etc.; Described isocyanates is selected from the compound of isocyanates of polyphenyl polymethylene polyisocyanates and isocyanates, Carbodiimide-Modified.
Described cleaning dies cavity method is: the mode of using cloth to wipe with clears up dies cavity, or spraying releasing agent cleaning dies cavity, or brushing releasing agent cleaning dies cavity.
Described model is integrated.
Described internal layer is the hard foamed layer of imitative wood grain.
In sum, the invention has the beneficial effects as follows: production process of the present invention is simple, consumption of materials can control, with short production cycle, reduce production cost, selected material is manufacturing in process and can not producing toxic gas, little to the pollution of environment, also can not produce harmful effect to the health of workman, compared to existing product, its environmental-protecting performance is more superior; First mold-locked used coincide when making this product, fix injection molding again, the obtained each joint of product connects symmetry of coincideing, attitude is natural, smooth and easy generous, and product has good hardness and toughness and indeformable feature under high temperature and low temperature environment, improve the quality of product, also improve commercial value and the artistic value of product.
Detailed description of the invention
Embodiment 1
A preparation method for polyurethane material modeling, first opens mould, and cleaning dies cavity, fixedly locks accessory and screw on mould; Mold-locked to be fixed together and on the disk being placed on rotational molding machine or framework, disk or framework adopt rotation and the co-rotational rotating manner of revolution, mould is fixed on the center line of the longitude and latitude of disk or framework, requires to adjust the rotation of disk or framework and the parameter of revolution rotation according to the different parameters of mould; By two kinds of urethane raw component component A and B component according to 100:70-85 ratio by bottler placer Homogeneous phase mixing within 1-10 second, then from the plup inlet of mould mixed material is injected in mould and rotates 2-3 minute and react, mixed material sticks to dies cavity 3-5 minute coagulation forming, solidified layer thickness is 4-6mm, be collapsible die after product approval in 15-30 minute, the moldings of gained is single-layer type model.
Embodiment 2
First mould is opened, cleaning dies cavity, fixedly locks accessory and screw on mould; Mold-locked to be fixed together and on the disk being placed on rotational molding machine or framework, disk or framework adopt rotation and the co-rotational rotating manner of revolution, mould is fixed on the center line of the longitude and latitude of disk or framework, requires to adjust the rotation of disk or framework and the parameter of revolution rotation according to the different parameters of mould; By two kinds of urethane raw component component A and B component according to 100:60 ratio by bottler placer Homogeneous phase mixing within 1-11 second, then the rotating speed being injected into rotating circular disk in mould from the plup inlet of mould is 10 turns/min, the rotating speed of framework is that 3-6 turns/min, rotate 1-2 minute and react, mixed material sticks to dies cavity 2-3 minute and is frozen into skin, outer field thickness is 2-3mm, then shuts down; Again by other two kinds of urethane raw C components and D component according to 100:100 ratio by bottler placer at 1-11 Homogeneous phase mixing second, then to be injected in mould from the plup inlet of mould and to rotate 5-8 minute, form the hard internal layer that one deck imitates wood grain, the thickness of internal layer is 5-7mm, it is collapsible die after product approval in 15-31 minute, the moldings of gained is two-layer equation model, and the arm of model, upper body (containing head), the skin of the lower part of the body and the rotational moulding ratio of internal layer are respectively 9:11,9:3,11:9.
The above is only preferred embodiment of the present invention, not does any pro forma restriction to structure of the present invention.Every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all still belong in the scope of technical scheme of the present invention.
Claims (5)
1. a preparation method for polyurethane material modeling, is characterized in that: comprise the following steps:
1. first mould is opened, cleaning dies cavity, fixedly locks accessory and screw on mould;
2. mold-locked to be fixed together and on the disk being placed on rotational molding machine or framework, disk or framework adopt rotation and the co-rotational rotating manner of revolution, mould is fixed on the center line of the longitude and latitude of disk or framework, requires to adjust the rotation of disk or framework and the parameter of revolution rotation according to the different parameters of mould;
3. being fed in mould after at least two kinds of urethane raw mixing, by the disk of conputer controlled rotational molding machine or the rotation of framework, disk or framework rotate 5-13 minute, realize mould and rotate in longitudinal and latitude direction simultaneously, after dies cavity coagulation forming, obtain moldings;
By two kinds of urethane raw component component A and B component according to 100:70-85 ratio by bottler placer Homogeneous phase mixing within 1-10 second, then from the plup inlet of mould mixed material is injected in mould and rotates 2-3 minute and react, mixed material sticks to dies cavity 3-5 minute coagulation forming, solidified layer thickness is 4-6mm, be collapsible die after product approval in 15-30 minute, the moldings of gained is single-layer type model; Described component A, B component are respectively PPG, isocyanates.
2. the preparation method of a kind of polyurethane material modeling according to claim 1, it is characterized in that: by two kinds of urethane raw component component A and B component according to 100:60 ratio by bottler placer Homogeneous phase mixing within 1-11 second, then be injected in mould from the plup inlet of mould and rotate 1-2 minute and react, mixed material sticks to dies cavity 2-3 minute and is frozen into skin, outer field thickness is 2-3mm, then shuts down; Again by other two kinds of urethane raw C components and D component according to 100:100 ratio by bottler placer at 1-11 Homogeneous phase mixing second, then to be injected in mould from the plup inlet of mould and to rotate 5-8 minute, form one deck internal layer, the thickness of internal layer is 5-7mm, be collapsible die after product approval in 15-31 minute, the moldings of gained is two-layer equation model; C component and D component are respectively PPG, isocyanates.
3. the preparation method of a kind of polyurethane material modeling according to claim 1 and 2, is characterized in that: the rotating speed of described disk is 10 weeks/min, the rotating speed of framework be 3-6 week/min.
4. the preparation method of a kind of polyurethane material modeling according to claim 3, is characterized in that: described PPG is obtained through sudden reaction in the presence of a catalyst by initiator and oxirane, expoxy propane, epoxy butane; Described isocyanates is selected from the compound of isocyanates of polyphenyl polymethylene polyisocyanates and isocyanates, Carbodiimide-Modified.
5. the preparation method of a kind of polyurethane material modeling according to claim 2, is characterized in that: described internal layer is the hard foamed layer of imitative wood grain.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210335861.6A CN102848510B (en) | 2012-09-12 | 2012-09-12 | A kind of preparation method of polyurethane material modeling |
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| CN201210335861.6A CN102848510B (en) | 2012-09-12 | 2012-09-12 | A kind of preparation method of polyurethane material modeling |
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| CN102848510A CN102848510A (en) | 2013-01-02 |
| CN102848510B true CN102848510B (en) | 2016-01-20 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR102013023406B1 (en) * | 2013-09-12 | 2020-11-24 | Antonio Carlos Torres | mold positioning system for rotational molding |
| CN104553570B (en) * | 2014-12-11 | 2017-03-29 | 沈阳师范大学 | A kind of shaping method of artware |
| CN106346669A (en) * | 2016-11-02 | 2017-01-25 | 东莞市聚成福环保材料有限公司 | Manufacturing technique for hollow elastic ball and centrifuging forming machine thereof |
| CN106863873A (en) * | 2016-12-28 | 2017-06-20 | 东莞市聚成福环保材料有限公司 | A kind of manufacture craft of shock-absorbing sole |
| CN106810659A (en) * | 2017-02-24 | 2017-06-09 | 耿佃勇 | Polyurethane clothing model and preparation method thereof |
| CN108044859B (en) * | 2017-12-12 | 2019-11-08 | 温岭市旭日滚塑科技有限公司 | A kind of rotational foaming moulding process |
| FR3095772A1 (en) * | 2019-05-10 | 2020-11-13 | Louis Durot | Process for manufacturing movable objects or parts of movable objects in optionally biodegradable polymer |
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| CN101157259A (en) * | 2006-10-06 | 2008-04-09 | 叶根林 | Method for rotational molding processing plastic furniture and its products |
| CN101298176A (en) * | 2008-06-19 | 2008-11-05 | 罗宏宇 | Tower type three-arm dual-chamber self control rotational molding machine |
| US7628604B2 (en) * | 2001-07-18 | 2009-12-08 | Allergan, Inc. | Rotational molding system for medical articles |
| CN101920440A (en) * | 2010-07-05 | 2010-12-22 | 无锡市澳富特成型技术科研有限公司 | Quick manufacturing process of rotational moulding machine die |
| CN102601905A (en) * | 2012-03-29 | 2012-07-25 | 温岭市旭日滚塑科技有限公司 | Three-layer plastic automobile shell and rotational molding process of three-layer plastic automobile shell |
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2012
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7628604B2 (en) * | 2001-07-18 | 2009-12-08 | Allergan, Inc. | Rotational molding system for medical articles |
| CN101157259A (en) * | 2006-10-06 | 2008-04-09 | 叶根林 | Method for rotational molding processing plastic furniture and its products |
| CN101298176A (en) * | 2008-06-19 | 2008-11-05 | 罗宏宇 | Tower type three-arm dual-chamber self control rotational molding machine |
| CN101920440A (en) * | 2010-07-05 | 2010-12-22 | 无锡市澳富特成型技术科研有限公司 | Quick manufacturing process of rotational moulding machine die |
| CN102601905A (en) * | 2012-03-29 | 2012-07-25 | 温岭市旭日滚塑科技有限公司 | Three-layer plastic automobile shell and rotational molding process of three-layer plastic automobile shell |
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Inventor after: Cai Yangyi Inventor before: Wu Shunli |
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Effective date of registration: 20160204 Address after: 102 room 30, 510000 Gonghe Road, Guangzhou, Guangdong, Yuexiu District Patentee after: Cai Yangyi Address before: Will the dormitory town Qi Bang Cymbidium model company Xinhui District 529000 Guangdong city of Jiangmen Province Patentee before: Wu Shunli |
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