CN202595947U - Polyurethane circular tube section and forming system - Google Patents
Polyurethane circular tube section and forming system Download PDFInfo
- Publication number
- CN202595947U CN202595947U CN 201120529476 CN201120529476U CN202595947U CN 202595947 U CN202595947 U CN 202595947U CN 201120529476 CN201120529476 CN 201120529476 CN 201120529476 U CN201120529476 U CN 201120529476U CN 202595947 U CN202595947 U CN 202595947U
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- polyurethane
- section bar
- section
- tubular section
- glass fiber
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Abstract
The utility model relates to a polyurethane circular tube section characterized by high strength, low specific gravity, insulation, microwave transmission, corrosion resistance and good heat insulation effect, and a forming system. A circular tube section framework is made of layers densely equipped with a plurality of bundles of glass fiber and glass fiber blankets; and polyurethane resin is composited with the inner surface and the outer surface of the circular tube section framework to form the polyurethane circular tube section. The polyurethane circular tube section has the following advantages: firstly, the section is light in weight and high in strength; secondly, the section is characterized by energy conservation, heat preservation and thermal insulation; thirdly, the section is healthful, green, and environment-friendly and is remarkable in energy-saving effect; fourthly, the section is corrosion-resistant and aging-resistant and is long in service life; fifthly, the section is fine in dimensional stability; sixthly, the section is fine in weather resistance, fine in high-temperature resistance and better in low-temperature resistance; seventhly, the section is fine in insulating property; eighthly, the section is fine in vibration-reducing performance; ninthly, the section is colorful, and, polyurethane composite material is high in hardness and can be coated with various coatings for manufacture of sections in various colors, so that the section can meet the requirements for use of different styles and grades; and tenthly, the fatigue resistance is guaranteed because the polyurethane composite material is extremely high in fatigue resistance and thus safety and reliability in use of the polyurethane composite material are ensured.
Description
Technical field
The utility model relates to a kind of high strength, low-gravity, insulation, passes through microwave, the polyurethane tubular section bar and the formation system of corrosion-resistant and good heat-insulation effect, belongs to the section bar manufacturing and the application of composite material.
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, pass through microwave, the polyurethane tubular section bar and the formation system of corrosion-resistant and good heat-insulation effect.
Design scheme: in order to realize above-mentioned purpose of design.1, adopting the selection of polyurethane resin as the composite material of section bar, is one of technical characterictic of the utility model.The purpose of doing like this is: the ⑴ polyurethane resin is compared with other resins, the advantage of compound polyurethane material: the one, and 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 component; The 6th, reduced wall thickness; The 7th, stronger profiled outline can be crossed over bigger distance; The 8th, good shock resistance and good mar proof; The 9th, senior accurate manufacturing and fastening significantly improves screw and extracts dynamics; The tenth, excellent finish.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 do not have styrene, and no peroxide produces.2, the design of polyurethane composite material product moulding technology, be the utility model technical characterictic two.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 that the ⑴ resin injects is different, and unsaturated polyester resin is to adopt open interpolation; Polyurethane resin is the mode that adopts airtight injection.⑵ between polyurethane injection box and the goods mould, increase cooling section; In unsaturated polyester (UP) glass steel production technology is not have cooling frame or cooling section.3, the employing of glass mat, be the utility model technical characterictic three.The purpose of doing like this is: because glass mat is to be made up of crisscross glass fiber, formed felt not only vertically plays reinforcing rib, and laterally plays reinforcing rib, and formed product not only flexing resistance is strong, and fold resistance is good.
Compound polyurethane material has fabulous rigidity and intensity, and physics and mechanical property are seen attached list.Its complete part substitution of Al alloy and steel; The coefficient of thermal conductivity of compound polyurethane material is 0.219 W/mk, and the coefficient of thermal conductivity of aluminium is 237.00 W/mk, and the coefficient of thermal conductivity 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 a 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 curtain wall profile shapes die cavity according to the technical requirements of curtain wall, processes the profile material of different shape.
Technical scheme 1: polyurethane tubular section bar constitutes tubular section bar skeleton by densely covered layer of multi beam glass fiber and glass mat, the compound and formation polyurethane tubular section bar in outside in polyurethane resin and the tubular section bar skeleton.
Technical scheme 2: polyurethane tubular product moulding system; Constitute by tubular section bar polyurethane resin injection mold, cooling frame and thermal finalization mould; Tubular section bar polyurethane resin injection mold has two imports; The one, for the polyurethane charging aperture and be positioned at tubular section bar polyurethane resin injection mold top, one is the glass fiber bundle import, and the import of angle bar section bar polyurethane resin injection mold gets into gather layer and glass mat, the outlet of multi beam glass fiber and 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 the outlet of tubular polyurethane type composite section material pultrusion.
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 big, its hot strength 450～650MPa; Approaching 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 coefficient of thermal conductivity is 0.219W/mk, has only 1/100～1/1000 of metal, is good thermal insulation 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 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 through testing result; The 5th, corrosion-resistant, ageing-resistant, the life-span is long; With looking up with eyes wide open compound polyurethane material is good resistant material; To acid, alkali, salt and most of organic matter, seawater and humidity all have resistivity preferably, and action of microorganisms is also had 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, dimensional stability is good, and the linear expansion coeffcient of compound polyurethane material is 5.6 * 10-6/ ℃, is lower than steel and aluminium alloys, is 1/15 of plastics, so the glass good stability; The 7th, weather resisteant is good, and compound polyurethane material belongs to thermosetting plastics, promptly 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 the good insulation performance material; It is not influenced by electromagnetic wave, does not reflect radio wave, and microwave property is good thoroughly; Can bear high voltage and do not damage, so the compound polyurethane material section bar has special purposes to the building of open-air temporary building and communication system; The 9th, damping performance is good; The modulus of elasticity of compound polyurethane material is 20900; The section bar of processing with it has higher damping frequency; The combining of resin and fiber interface in the compound polyurethane material have shock-absorbing and shock resistance, avoided the structural member early damage that causes of low-resonance in working order; The tenth, fatigue resistance, the fatigue resistance of compound polyurethane material is very high, thereby guarantees safety and reliability that material uses; 11 is that compound polyurethane material has fabulous rigidity and intensity, and physics and mechanical property are seen attached list.Its complete part substitution of Al alloy and steel; The coefficient of thermal conductivity of compound polyurethane material is 0.219 W/mk, and the coefficient of thermal conductivity of aluminium is 237.00 W/mk, and the coefficient of thermal conductivity 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 a heat with galvanized steel with aluminium,, fabulous plasticity is arranged again, therefore can design the structure of section bar die cavity as requested, process the section bar of different shape because compound polyurethane material has good rigidity and intensity.
Description of drawings
Fig. 1 is the cage construction sketch map of polyurethane tubular section bar.
Fig. 2 is the structural representation of polyurethane tubular section bar.
Fig. 3 is the block diagram of polyurethane tubular section bar production system.
The specific embodiment
Embodiment 1: with reference to attaching Fig. 1 and 2.A kind of polyurethane tubular section bar constitutes tubular section bar skeleton by densely covered layer of multi beam glass fiber and glass mat, and 1, polyurethane resin 2 is compound and formation polyurethane tubular section bar with the interior outside of tubular section bar skeleton.That is to say; The moulding skeleton 1 of tubular section bar is gathered by the multi beam glass fiber and constitutes; Polyurethane resin 2 and multi beam glass fiber gather every glass fiber face in layer and the glass mat compound fully and be compounded with bonding each other between the glass fiber of polyurethane resin 2, solidify and constitute required tubular section bar, the outside is meant the gather face of layer and glass mat of multi beam glass fiber in the polyurethane resin section bar in the promptly said tubular section bar skeleton.Fibrage in the said tubular section bar skeleton coats glass mat 101, or 101 of glass mats are equipped with fibrage, or fibrage and glass mat 101 stack formations.Glass fiber is that 60%-90%, polyurethane resin are 10%-40% in the said polyurethane section bar.
Embodiment 2: with reference to accompanying drawing 3.On the basis of embodiment 1; Polyurethane tubular product moulding system; Be made up of tubular section bar polyurethane resin injection mold 3, cooling frame 5 and thermal finalization mould 6, tubular section bar polyurethane resin injection mold 3 has two imports, and 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 tubular section bar polyurethane resin injection mold gets into the densely covered layer of multi beam glass fiber and glass mat, outlet are communicated with cooling frame 5 imports, and 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 the compound polyurethane material section bar.Said thermal finalization mould constitute by 2 ~ 3 thermals treatment zone and temperature from low to high, the temperature setting range is: 90C ° ~ 250C °.Said cooling frame is the water-cooled cooling frame, 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 injection box, glass can be soaked into fully, notice that polyurethane resin does not overflow the injection box; Observe the situation that goods solidify, note the temperature of adjustment hot-die, and the speed of tractor, 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% glass through polyurethane tubular product moulding system; Both can pultrusion become the densely covered formation of glass fiber tubular section bar skeleton 1; Can polyurethane resin and the densely covered formation of glass fiber tubular section bar skeleton 1 be constituted polyurethane tubular section bar again, 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% glass through polyurethane tubular product moulding system; Both can pultrusion become the densely covered formation of glass fiber tubular section bar skeleton 1; Can polyurethane resin and the densely covered formation of glass fiber tubular section bar skeleton 1 be constituted polyurethane tubular section bar again, 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% glass through polyurethane tubular product moulding system; Both can pultrusion become the densely covered formation of glass fiber tubular section bar skeleton 1; Can polyurethane resin and the densely covered formation of glass fiber tubular section bar skeleton 1 be constituted polyurethane tubular section bar again, 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% glass through polyurethane tubular product moulding system; Both can pultrusion become the densely covered formation of glass fiber tubular section bar skeleton 1; Can polyurethane resin and the densely covered formation of glass fiber tubular section bar skeleton 1 be constituted polyurethane tubular section bar again, 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% glass through polyurethane tubular product moulding system; Both can pultrusion become the densely covered formation of glass fiber tubular section bar skeleton 1; Can polyurethane resin and the densely covered formation of glass fiber tubular section bar skeleton 1 be constituted polyurethane tubular 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% glass through polyurethane tubular product moulding system; Both can pultrusion become the densely covered formation of glass fiber tubular section bar skeleton 1; Can polyurethane resin and the densely covered formation of glass fiber tubular section bar skeleton 1 be constituted polyurethane tubular section bar again, its physical mechanical and mechanical property are better relatively.
Embodiment 1-7: on the basis of embodiment 1; On the basis of embodiment 1 and 2; Adopt 10% polyurethane resin and 90% glass through polyurethane tubular product moulding system; Both can pultrusion become the densely covered formation of glass fiber tubular section bar skeleton 1, and can polyurethane resin and the densely covered formation of glass fiber tubular section bar skeleton 1 be constituted polyurethane tubular section bar again, its physical mechanical and mechanical property meet design requirement.
The physical mechanical and the mechanical property of the polyurethane profile shapes of being produced according to the above ratio; Be difference to some extent, its corresponding cost also is different, and the physical mechanical and the mechanical property of compound polyurethane material be best; Simultaneously both economical again; Polyurethane resin accounts for 20%, and glass accounted for 80% o'clock, the polyurethane tubular section bar of institute's pultrusion.
Above-mentioned glass is meant glass fiber or glass fiber and glass mat, or carbon fiber, or spins the synthetic fibre fiber, or fortifying fibre such as polyster fibre, or metallicity strengthens silk; Above-mentioned glass felt is meant the glass mat fiberglass gridding cloth, or glass fabric or fabrics such as woven dacron or aramid fiber cloth.
What need understand is: though the foregoing description is to the mentality of designing of the 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 utility model.
Claims (4)
1. a polyurethane tubular section bar is characterized in that: constitute tubular section bar skeleton by densely covered layer of multi beam glass fiber and glass mat, the compound and formation polyurethane tubular section bar in outside in polyurethane resin and the tubular section bar skeleton.
2. polyurethane tubular section bar according to claim 1 is characterized in that: the fibrage in the said tubular section bar skeleton coats glass mat, or is equipped with fibrage between glass mat, or fibrage and glass mat stack formation.
3. polyurethane tubular section bar according to claim 1 is characterized in that: the outside is meant the gather face of layer and glass mat of multi beam glass fiber in the polyurethane resin section bar in the said tubular section bar skeleton.
4. polyurethane tubular product moulding as claimed in claim 1 system; It is characterized in that constituting by tubular section bar polyurethane resin injection mold, cooling frame and thermal finalization mould; Tubular section bar polyurethane resin injection mold has two imports; The one, for the polyurethane charging aperture and be positioned at tubular section bar polyurethane resin injection mold top, one is the glass fiber bundle import, and the import of angle bar section bar polyurethane resin injection mold gets into gather layer and glass mat, the outlet of multi beam glass fiber and 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 the outlet of tubular polyurethane type composite section material pultrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120529476 CN202595947U (en) | 2011-12-17 | 2011-12-17 | Polyurethane circular tube section and forming system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120529476 CN202595947U (en) | 2011-12-17 | 2011-12-17 | Polyurethane circular tube section and forming system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202595947U true CN202595947U (en) | 2012-12-12 |
Family
ID=47313496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120529476 Expired - Fee Related CN202595947U (en) | 2011-12-17 | 2011-12-17 | Polyurethane circular tube section and forming system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202595947U (en) |
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2011
- 2011-12-17 CN CN 201120529476 patent/CN202595947U/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: 20121212 Termination date: 20141217 |
|
| EXPY | Termination of patent right or utility model |