CN202702753U - Polyurethane composite angle iron shaped section bar and forming system - Google Patents
Polyurethane composite angle iron shaped section bar and forming system Download PDFInfo
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- CN202702753U CN202702753U CN 201120529484 CN201120529484U CN202702753U CN 202702753 U CN202702753 U CN 202702753U CN 201120529484 CN201120529484 CN 201120529484 CN 201120529484 U CN201120529484 U CN 201120529484U CN 202702753 U CN202702753 U CN 202702753U
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- polyurethane
- section bar
- bar shape
- angle bar
- angle iron
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Abstract
The utility model relates to a polyurethane composite angle iron shaped section bar which is high in strength, low in specific gravity, insulated, penetrable in microwave and corrosion resistant and a forming system, an angle iron shaped section bar skeleton is formed by multiple beams of glass fiber and glass fiber mats, polyurethane resin and an inner surface and an outer surface of and the angle iron shaped section bar skeleton are compounded to form the polyurethane angle iron shaped section bar. The polyurethane composite angle iron shaped section bar has the advantages of being light in mass and high in strength; energy-saving, heat retaining, and heat insulated; healthy, green, environment-friendly, and remarkable in energy-saving effects; corrosion resistant, ageing resistant, and long in service life; good in size stability; good in weatherability, and not only good in temperature resistant performance, but also better in low temperature resistant performance; good in insulation performance; good in damping performance; rich in color, high in hardness of polyurethane composite materials, capable of being coated by various coatings and manufactured into section bars with various colors to be adapted to using purposes of different styles and grades; and fatigue resistant, quite high in fatigue resistance of the polyurethane composite materials, so that security and reliability of the material usage can be guaranteed.
Description
Technical field
The utility model relates to a kind of high strength, low-gravity, insulation, thoroughly polyurethane composite angle iron-shaped profile and the formation system of microwave, corrosion-resistant and good heat-insulation effect, belongs to section bar manufacturing and the application of composite.
Background technology
At present, the angle steel of selling on the market, i shaped steel, channel-section steel, square steel, H shape steel etc. all adopt metal material to make.Its weak point: the one, than great, proportion; The 2nd, heat-proof quality is poor; The 3rd, corrosion-resistant, easy-to-rust.
The utility model content
Purpose of design: avoid the weak point in the background technology, design a kind of high strength, low-gravity, insulation, thoroughly polyurethane composite angle iron-shaped profile and the formation system of microwave, corrosion-resistant and good heat-insulation effect.
Design: in order to realize above-mentioned purpose of design.1, adopting polyurethane resin as the selection of the composite of section bar, is one of technical characterictic of the present utility model.The purpose of doing like this is: ⑴ polyurethane resin and other resin-phase ratios, and the advantage of compound polyurethane material: the one, high longitudinal strength; The 2nd, increased glass felt, improved lateral performance; The 3rd, have the highest fiber capacity; The 4th, higher intensity and hardness; The 5th, increased the complexity of parts; The 6th, reduced wall thickness; The 7th, stronger profiled outline can be crossed over larger distance; The 8th, good shock resistance and good mar proof; The 9th, senior accurate manufacturing and fastening significantly improves the screw pull-out strength degree; The tenth, excellent surface smoothness.⑵ have well weather-proof, durability: the one, have fabulous corrosion resistance; The 2nd, low water absorption rate; The 3rd, have better temperature stability; The 4th, have better photostability, aliphatic light stable resin can be arranged.⑶ better economy: the one, reduced cost; The 2nd, content of glass fiber high (also gaining in strength simultaneously); The 3rd, stronger product can support longer span; The 4th, the pultrusion speed of higher production efficiency-has faster improved pile line operation speed.⑷ excellent in flame retardance gives out the cigarette of much less than polyester or vinyl.⑸ environmental protection, environmental friendliness.⑹ produce without peroxide without styrene.2, the design of polyurethane composite material product moulding technique is two of technical characterictic of the present utility model.The purpose of doing like this is: with the pultrude process of traditional unsaturated polyester (UP) glass steel profile shapes be essentially identical, different places be: the mode of ⑴ resin injection is different, and unsaturated polyester resin is to adopt open interpolation; Polyurethane resin is the mode that adopts airtight injection.⑵ between polyurethane syringe case and the goods mould, increase cooling section; In unsaturated polyester (UP) glass steel production technology, be not have cooling frame or cooling section.3, the employing of glass mat is three of technical characterictic of the present utility model.The purpose of doing like this is: because glass mat is to be made of crisscross glass fibre, formed felt not only vertically plays reinforcement, and laterally plays reinforcement, and formed product not only flexing resistance is strong, and fold resistance is good.
Compound polyurethane material has fabulous rigidity and intensity, and Physical and mechanical properties is seen attached list.Its complete part substitution of Al alloy and steel, the thermal conductivity factor of compound polyurethane material is 0.219 W/mk, the thermal conductivity factor of aluminium is 237.00 W/mk, the thermal conductivity factor of galvanized steel is 62.000 W/mk, under identical condition, with regard to material, the capacity of heat transmission of aluminum is 1082 times of polyurethane, and the capacity of heat transmission of galvanized steel is 283 times of compound polyurethane material; Compare the non-conductor that compound polyurethane material is heat with galvanized steel with aluminium; Compound polyurethane material has good rigidity and intensity, and fabulous plasticity is arranged again, therefore can design the structure of glass curtain wall profile shapes die cavity according to the specification requirement of glass curtain wall, processes the profile material of various shapes.
Technical scheme 1: a kind of polyurethane composite angle iron-shaped profile consists of angle bar shape product moulding skeleton by the densely covered layer of multi beam glass fibre and glass mat, the compound and formation polyurethane angle bar shape section bar in outside in polyurethane resin and the angle bar shape sectional materials cage.
Technical scheme 2: a kind of polyurethane composite angle iron-shaped profile formation system, by angle bar shape section bar polyurethane resin injection mold, cooling frame and thermal finalization mould consist of, angle bar shape section bar polyurethane resin injection mold has two imports, the one, for the polyurethane charging aperture and be positioned at angle bar shape section bar polyurethane resin injection mold top, one is the glass fiber bundle import, the import of angle bar section bar polyurethane resin injection mold enters the densely covered layer of multi beam glass fibre and glass mat, outlet is communicated with the cooling frame import, the outlet of cooling frame is communicated with the import of thermal finalization mould, and the outlet of thermal finalization mould is angle bar shape polyurethane composite material pultrusion outlet.
The utility model is compared with background technology, and the one, high-strength light, the density of glass fiber reinforced plastic shapes is about 2.1, it is lighter 3～4 times than steel, and intensity is very large, its hot strength 450～650MPa, approach with ordinary carbon steel, bending strength is greater than 1200MPa, modulus of elasticity in static bending 48000MPa; The 2nd, energy-saving heat preserving, heat insulation, the compound polyurethane material thermal conductivity factor is 0.219 W/mk, only has 1/100～1/1000 of metal, is good heat-insulating material; The 3rd, health, environmental protection, energy-saving effect are remarkable; The 4th, compound polyurethane material does not contain styrene aborning, thereby can not form volatile compound VOC, so environment protection health more; The 5th, compound polyurethane material after testing result meets the index request of construction main body material among the GB6566-2001 " the radioactive material nucleic is limited the quantity of ", assay 0.2, internal radiation index 0.2, external exposure index 0.2; The 5th, corrosion-resistant, ageing-resistant, the life-span is long, looking up with eyes wide open compound polyurethane material together is good resistant material, to acid, alkali, salt and most of organic matter, seawater and humidity have preferably resistivity, effect to microorganism also has resistance, that its this specific character that has especially is fit to be used in is rainy, humidity and coastal area, and the place of the medium that is corrosive; The 6th, good stability of the dimension, the linear expansion coefficient of compound polyurethane material is 5.6 * 10-6/ ℃, is lower than steel and aluminium alloy, is 1/15 of plastics, so the glass good stability; The 7th, weather resisteant is good, and compound polyurethane material belongs to thermosetting plastics, namely forms three-dimensional netted molecular structure after the resin crosslinks, becomes insoluble not melt, also can not melt even be heated.The compound polyurethane material heat distortion temperature is more than 200 ℃, and not only resistance to elevated temperatures is good, and resistance to low temperature is better; The 8th, good insulation preformance, compound polyurethane material is good insulating materials, it is not affected by electromagnetic wave, do not reflect radio wave, microwave is good thoroughly, can bear high voltage and do not damage, so polyurethane composite profile has special purposes to the building of open-air temporay building and communication system; The 9th, damping performance is good, the elastic modelling quantity of compound polyurethane material is 20900, the section bar made from it has higher damping frequency, the combination of resin and fiber interface in the compound polyurethane material, have shock-absorbing and a shock resistance, avoided the in working order early damage that causes of low-resonance of structural member; The tenth, fatigue resistance, the fatigue resistance of compound polyurethane material is very high, thereby guarantees the safety and reliability of materials'use; 11 is that compound polyurethane material has fabulous rigidity and intensity, and Physical and mechanical properties is seen attached list.Its complete part substitution of Al alloy and steel, the thermal conductivity factor of compound polyurethane material is 0.219 W/mk, the thermal conductivity factor of aluminium is 237.00 W/mk, the thermal conductivity factor of galvanized steel is 62.000 W/mk, under identical condition, with regard to material, the capacity of heat transmission of aluminum is 1082 times of polyurethane, and the capacity of heat transmission of galvanized steel is 283 times of compound polyurethane material; Compare the non-conductor that compound polyurethane material is heat with galvanized steel with aluminium, because compound polyurethane material has good rigidity and intensity, fabulous plasticity is arranged again, therefore can design the structure of section bar die cavity as requested, process the section bar of various shapes.
Description of drawings
Fig. 1 is the skeleton structure schematic diagram of polyurethane composite angle iron-shaped profile.
Fig. 2 is the structural representation of polyurethane composite angle iron-shaped profile moulding.
Fig. 3 is the block diagram of polyurethane composite angle iron-shaped profile production system.
The specific embodiment
Embodiment 1: with reference to attached Fig. 1 and 2.A kind of polyurethane composite angle iron-shaped profile consists of angle bar shape product moulding skeleton 1 by the densely covered layer of multi beam glass fibre and glass mat 101, and polyurethane resin 2 is compound and formation polyurethane angle bar shape section bar with the interior outside of angle bar shape sectional materials cage; Fibrage in the described angle bar shape product moulding skeleton 1 coats glass mat 101, or 101 of glass mats are equipped with fibrage, or fibrage and glass mat 101 stacks consist of.Described angle bar shape sectional materials cage 1 interior outside refers to the face of the densely covered layer of multi beam glass fibre and glass mat 101.That is to say, angle bar shape product moulding skeleton 1 is made of the densely covered layer of multi beam glass fibre and glass mat 101, every glass fibre face in polyurethane resin 2 and multi beam glass fibre and the glass mat 101 fully compound and be compounded with between the glass fibre of polyurethane resin 2 mutually bonding, solidify and consist of required angle bar shape section bar, namely the outside refers to the face of every glass fibre in the polyurethane resin section bar in the described angle bar shape sectional materials cage.Multi beam glass fibre and glass mat are that 60%-90%, polyurethane resin are 10%-40% in the described polyurethane section bar.
Embodiment 2: with reference to accompanying drawing 3.On the basis of embodiment 1, the formation system of polyurethane composite angle iron-shaped profile, by angle bar shape section bar polyurethane resin injection mold 3, cooling frame 5 and thermal finalization mould 6 consist of, angle bar shape section bar polyurethane resin injection mold 3 has two imports, the one, for polyurethane charging aperture 4 and be positioned at section bar polyurethane resin injection mold 3 tops, one is the glass fiber bundle import, the import of angle bar shape section bar polyurethane resin injection mold enters multi beam glass fibre and glass mat, outlet is communicated with cooling frame 5 imports, the outlet of cooling frame is communicated with 6 imports of thermal finalization mould, and the outlet of thermal finalization mould is pulled out mouth for polyurethane composite profile.Described thermal finalization mould consisted of by 2 ~ 3 thermals treatment zone and temperature from low to high, the Temperature Setting scope is: 90C ° ~ 250C °.Described cooling frame is the cooling by water mould, and the temperature of its cooling water is 0C ° ~ 25C °.The production beginning initial stage, note adjusting and observe the flow that is expelled to the polyurethane resin in the syringe case, glass can be infiltrated fully, notice that polyurethane resin does not overflow syringe case; Observe the situation that goods solidify, note adjusting the temperature of hot-die, and the speed of hauling machine, angle bar moulding and pultrusion speed are complementary.
Embodiment 1-1: on the basis of embodiment 1 and 2, adopt 35%-40% polyurethane resin and 60%-75% multi beam glass fibre and glass mat by the formation system of polyurethane composite angle iron-shaped profile, both can pultrusion become the densely covered formation of glass fibre angle bar shape sectional materials cage 1, again can be with polyurethane resin and multi beam glass fibre and glass mat formation angle bar shape sectional materials cage 1 formation polyurethane angle bar shape section bar, its physical mechanical and mechanical property are better.
Embodiment 1-2: on the basis of embodiment 1 and 2, adopt 30%-35% polyurethane resin and 65%-70% multi beam glass fibre and glass mat by the formation system of polyurethane composite angle iron-shaped profile, both can pultrusion become multi beam glass fibre and glass mat to consist of angle bar shape sectional materials cage 1, again can be with polyurethane resin and multi beam glass fibre and glass mat formation angle bar shape sectional materials cage 1 formation polyurethane angle bar shape section bar, its physical mechanical and mechanical property are good.
Embodiment 1-3: on the basis of embodiment 1 and 2, adopt 25%-30% polyurethane resin and 70%-75% multi beam glass fibre and glass mat by the formation system of polyurethane composite angle iron-shaped profile, both can pultrusion become multi beam glass fibre and glass mat to consist of angle bar shape sectional materials cage 1, again can be with polyurethane resin and multi beam glass fibre and glass mat formation angle bar shape sectional materials cage 1 formation polyurethane angle bar shape section bar, its physical mechanical and mechanical property are better;
Embodiment 1-4: on the basis of embodiment 1 and 2, adopt 20%-25% polyurethane resin and 75%-80% multi beam glass fibre and glass mat by the formation system of polyurethane composite angle iron-shaped profile, both can pultrusion become multi beam glass fibre and glass mat to consist of angle bar shape sectional materials cage 1, again can be with polyurethane resin and multi beam glass fibre and glass mat formation angle bar shape sectional materials cage 1 formation polyurethane angle bar shape section bar, its physical mechanical and mechanical property are best.
Embodiment 1-5: on the basis of embodiment 1 and 2, adopt 15%-20% polyurethane resin and 80%-85% multi beam glass fibre and glass mat by the formation system of polyurethane composite angle iron-shaped profile, both can pultrusion become multi beam glass fibre and glass mat to consist of angle bar shape sectional materials cage 1, polyurethane resin and the densely covered formation of glass fibre angle bar shape sectional materials cage 1 can be consisted of polyurethane angle bar shape section bar, its physical mechanical and good mechanical properties again.
Embodiment 1-6: on the basis of embodiment 1 and 2, adopt 10%-15% polyurethane resin and 85%-90% multi beam glass fibre and glass mat by the formation system of polyurethane composite angle iron-shaped profile, both can pultrusion become multi beam glass fibre and glass mat to consist of angle bar shape sectional materials cage 1, again can be with polyurethane resin and multi beam glass fibre and glass mat formation angle bar shape sectional materials cage 1 formation polyurethane angle bar shape section bar, its physical mechanical is relative with mechanical property better.
Embodiment 1-7: on the basis of embodiment 1, on the basis of embodiment 1 and 2, adopt 10% polyurethane resin and 90% multi beam glass fibre and glass mat by the formation system of polyurethane composite angle iron-shaped profile, both can pultrusion become multi beam glass fibre and glass mat to consist of angle bar shape sectional materials cage 1, again can be with polyurethane resin and multi beam glass fibre and glass mat formation angle bar shape sectional materials cage 1 formation polyurethane angle bar shape section bar, its physical mechanical and mechanical property meet design requirement.
Physical mechanical and the mechanical property of the polyurethane profile shapes of producing according to the above ratio, difference to some extent, its corresponding cost also is different, physical mechanical and the mechanical property of compound polyurethane material are best, simultaneously both economical again, polyurethane resin accounts for 20%, when multi beam glass fibre and glass mat account for 80%, and the polyurethane angle bar shape section bar of institute's pultrusion.
Polyurethane resin herein is called for short polyurethane.
Above-mentioned glass refers to glass fibre or glass fibre and glass mat, or carbon fiber, or glass fiber, or the fortifying fibre such as polyster fibre, or metallicity strengthens silk; Above-mentioned glass felt refers to the glass mat fiberglass gridding cloth, or glass fabric or the fabrics such as woven dacron or aramid fiber cloth.
What need to understand is: although above-described embodiment is to the mentality of designing of the present utility model detailed text description of contrasting; but these text descriptions; just the simple text of the utility model mentality of designing is described; rather than to the restriction of the utility model mentality of designing; any combination, increase or modification that does not exceed the utility model mentality of designing all falls in the protection domain of the present utility model.
Claims (3)
1. a polyurethane composite angle iron-shaped profile is characterized in that: consist of angle bar shape product moulding skeleton by the densely covered layer of multi beam glass fibre and glass mat, the compound and formation polyurethane angle bar shape section bar in outside in polyurethane resin and the angle bar shape sectional materials cage; Fibrage in the described angle bar shape product moulding skeleton coats glass mat, or is equipped with fibrage between glass mat, or fibrage and glass mat stack formation.
2. polyurethane composite angle iron-shaped profile according to claim 1 is characterized in that: the face that refers to the densely covered layer of multi beam glass fibre and glass mat outside in the described angle bar shape sectional materials cage.
3. polyurethane composite angle iron-shaped profile formation system as claimed in claim 1, it is characterized in that by angle bar shape section bar polyurethane resin injection mold, cooling frame and thermal finalization mould consist of, angle bar shape section bar polyurethane resin injection mold has two imports, the one, for the polyurethane charging aperture and be positioned at angle bar shape section bar polyurethane resin injection mold top, one is the glass fiber bundle import, the import of angle bar section bar polyurethane resin injection mold enters the densely covered layer of multi beam glass fibre and glass mat, outlet is communicated with the cooling frame import, the outlet of cooling frame is communicated with the import of thermal finalization mould, and the outlet of thermal finalization mould is angle bar shape polyurethane composite material pultrusion outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120529484 CN202702753U (en) | 2011-12-17 | 2011-12-17 | Polyurethane composite angle iron shaped section bar and forming system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120529484 CN202702753U (en) | 2011-12-17 | 2011-12-17 | Polyurethane composite angle iron shaped section bar and forming system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202702753U true CN202702753U (en) | 2013-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120529484 Expired - Fee Related CN202702753U (en) | 2011-12-17 | 2011-12-17 | Polyurethane composite angle iron shaped section bar and forming system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202702753U (en) |
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2011
- 2011-12-17 CN CN 201120529484 patent/CN202702753U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20141217 |
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| EXPY | Termination of patent right or utility model |