CN202532157U - Polyurethane helical profile and forming system - Google Patents
Polyurethane helical profile and forming system Download PDFInfo
- Publication number
- CN202532157U CN202532157U CN2011205294747U CN201120529474U CN202532157U CN 202532157 U CN202532157 U CN 202532157U CN 2011205294747 U CN2011205294747 U CN 2011205294747U CN 201120529474 U CN201120529474 U CN 201120529474U CN 202532157 U CN202532157 U CN 202532157U
- Authority
- CN
- China
- Prior art keywords
- polyurethane
- section bar
- thread
- profile
- shaped section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Moulding By Coating Moulds (AREA)
- Reinforced Plastic Materials (AREA)
- Laminated Bodies (AREA)
Abstract
The utility model relates to a polyurethane helical profile characterized by high strength, low specific gravity, insulation, microwave transmission, corrosion resistance and good heat insulation effect, and a forming system. A helical profile framework is made of a plurality of bundles of glass-fiber-densely-covered layers and glass fiber blankets; and polyurethane resin is composited with the inner surface and the outer surface of the helical profile framework to form the polyurethane helical profile. The polyurethane helical profile has the following advantages: firstly, the profile is light in weight and high in strength; secondly, the profile is characterized by energy conservation, heat preservation and thermal insulation; thirdly, the profile is healthful, green, and environment-friendly and is remarkable in energy-saving effect; fourthly, the profile is corrosion-resistant and aging-resistant and is long in service life; fifthly, the profile is fine in dimensional stability; sixthly, the profile is fine in weather resistance, fine in high-temperature resistance and better in low-temperature resistance; seventhly, the profile is fine in insulating property; eighthly, the profile is fine in vibration-reducing performance; ninthly, the profile is colorful, and, polyurethane composite material is high in hardness and can be coated with various coatings for manufacture of profiles in various colors, so that the profile can meet the requirements for use of different styles and grades; and tenthly, the polyurethane composite material is extremely high in fatigue resistance so that safety and reliability in use of the polyurethane composite material are ensured.
Description
Technical field
The utility model relates to a kind of high tenacity, low-gravity, insulation, passes through microwave, the polyurethane thread-shaped 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 technique
At present, the angle steel of selling on the market, i shaped steel, channel-section steel, square steel, H shape steel etc. all adopt metallic material to make.Its deficiency: the one, than great; The 2nd, heat-shielding performance is poor; The 3rd, corrosion-resistant, easy-to-rust.
Summary of the invention
Purpose of design: avoid the deficiency in the background technique, design a kind of high tenacity, low-gravity, insulation, pass through microwave, the polyurethane thread-shaped section bar and the formation system of corrosion-resistant and good heat-insulation effect.
Design proposal: 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 characteristics 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 wearability; The 9th, senior accurate manufacturing and fastening significantly improves screw and extracts dynamics; The tenth, excellent surface finishment.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 light stability, 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 manufacturing efficiency-has faster improved pile line operation speed.⑷ excellent in flame retardance gives out the cigarette of much less than polyester or vinyl resin.⑸ environmental protection, environmental friendliness.⑹ do not have vinyl benzene, and no superoxide produces.2, the design of polyurethane composite material product moulding technology, be the utility model technical characteristics two.The purpose of doing like this is: with the pultrude process of traditional unsaturated polyester 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 glass steel production technology is not have cooling die or cooling section.3, the employing of glass fiber mat, be the utility model technical characteristics three.The purpose of doing like this is: because glass fiber mat is to be made up of crisscross glass fibre, formed felt not only vertically plays stiffening rib, and laterally plays stiffening rib, and formed product not only flex 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 thermal conductivity of compound polyurethane material is 0.219W/mk, and the thermal conductivity of aluminium is 237.00W/mk, and the thermal conductivity of galvanized steel is 62.000W/mk; Under identical condition; With regard to material, the capacity of heat transmission of aluminium material is 1082 times of polyurethane, and the capacity of heat transmission of galvanized steel is 283 times of compound polyurethane material; Compare the poor 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 glass curtain wall profile shapes die cavity according to the technical requirements of glass curtain wall, processes the profile material of different shape.
Technological scheme 1: polyurethane thread-shaped section bar constitutes thread-shaped section bar skeleton by densely covered layer of multi beam glass fibre and glass fiber mat, the compound and formation polyurethane thread-shaped section bar in outside in polyurethane resin and the thread-shaped section bar skeleton.
Technological scheme 2: the formation system of polyurethane thread-shaped section bar; Constitute by thread-shaped section bar polyurethane resin injection mold, cooling die and heat setting mould; Thread-shaped section bar polyurethane resin injection mold has two imports; The one, for the polyurethane material feeding mouth and be positioned at thread-shaped 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 fiber mat, the outlet of multi beam glass fibre and is communicated with the cooling die import; The outlet of cooling die is communicated with the import of heat setting mould, and the outlet of heat setting mould is the outlet of thread-shaped polyurethane type composite section material pultrusion.
The utility model is compared with background technique, 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 tensile strength 450～650MPa; Approaching with Ordinary Steel, flexural 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 is 0.219W/mk, has only 1/100～1/1000 of metal, is good thermoinsulation material; The 3rd, health, environmental protection, energy-saving effect are remarkable; The 4th, compound polyurethane material does not contain vinyl benzene 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 exposure 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 substance, 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 aluminum 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, promptly forms three-dimensional netted structure of molecule 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 high temperature 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 waves, and microwave property is good thoroughly; Can bear HV 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 Young's modulus 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 Security 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 thermal conductivity of compound polyurethane material is 0.219W/mk, and the thermal conductivity of aluminium is 237.00W/mk, and the thermal conductivity of galvanized steel is 62.000W/mk; Under identical condition; With regard to material, the capacity of heat transmission of aluminium material is 1082 times of polyurethane, and the capacity of heat transmission of galvanized steel is 283 times of compound polyurethane material; Compare the poor 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 skeletal structure schematic representation of polyurethane thread-shaped section bar.
Fig. 2 is the structural representation of polyurethane thread-shaped section bar.
Fig. 3 is the block diagram of polyurethane thread-shaped section bar production system.
Embodiment
Embodiment 1: with reference to attaching Fig. 1 and 2.A kind of polyurethane thread-shaped section bar constitutes thread-shaped section bar skeleton 1 by densely covered layer of multi beam glass fibre and glass fiber mat, and polyurethane resin 2 is compound and formation polyurethane thread-shaped section bar with the interior outside of thread-shaped section bar skeleton.That is to say; The moulding skeleton 1 of thread-shaped section bar is made up of densely covered layer of multi beam glass fibre and glass fiber mat; Polyurethane resin 2 and multi beam glass fibre gather every glass fibre face in layer and the glass fiber mat compound fully and be compounded with bonding each other between the glass fibre of polyurethane resin 2, solidify and constitute required thread-shaped section bar, the outside is meant the gather face of layer and glass fiber mat of multi beam glass fibre in the polyurethane resin section bar in the promptly said thread-shaped section bar skeleton.Glass fibre in the said thread-shaped section bar skeleton layer that gathers coats a glass fiber mat 101, or 101 of glass fiber mats are equipped with the glass fibre layer that gathers, or glass fibre gather layer and glass fiber mat 101 stack formations.Glass fibre is that 60%-90%, polyurethane resin are 10%-40% in the said polyurethane section bar.
Embodiment 2: with reference to accompanying drawing 3.On embodiment 1 basis; The formation system of polyurethane thread-shaped section bar; Be made up of thread-shaped section bar polyurethane resin injection mold 3, cooling die 5 and heat setting mould 6, thread-shaped section bar polyurethane resin injection mold 3 has two imports, and the one, for polyurethane material feeding mouth 4 and be positioned at section bar polyurethane resin injection mold 3 tops; One is the glass fiber bundle import; The import of thread-shaped section bar polyurethane resin injection mold gets into the densely covered layer of multi beam glass fibre and glass fiber mat, outlet are communicated with cooling die 5 imports, and the outlet of cooling die is communicated with 6 imports of heat setting mould, and the outlet of heat setting mould is pulled out mouth for the compound polyurethane material section bar.Said heat setting mould constitute by 2 ~ 3 heating-up zone and temperature from low to high, the temperature setting range is: 90 ° of C ~ 250 ° C.Said cooling die is the water-cooled cooling die, and the temperature of its cooling water is 0 ° of C ~ 25 ° C.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, polyurethane thread forming 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 formation system through polyurethane thread-shaped section bar; Both can pultrusion become the densely covered formation of glass fibre thread-shaped section bar skeleton 1; Can polyurethane resin and the densely covered formation of glass fibre thread-shaped section bar skeleton 1 be constituted polyurethane thread-shaped 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 formation system through polyurethane thread-shaped section bar; Both can pultrusion become the densely covered formation of glass fibre thread-shaped section bar skeleton 1; Can polyurethane resin and the densely covered formation of glass fibre thread-shaped section bar skeleton 1 be constituted polyurethane thread-shaped 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 formation system through polyurethane thread-shaped section bar; Both can pultrusion become the densely covered formation of glass fibre thread-shaped section bar skeleton 1; Can polyurethane resin and the densely covered formation of glass fibre thread-shaped section bar skeleton 1 be constituted polyurethane thread-shaped 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 formation system through polyurethane thread-shaped section bar; Both can pultrusion become the densely covered formation of glass fibre thread-shaped section bar skeleton 1; Can polyurethane resin and the densely covered formation of glass fibre thread-shaped section bar skeleton 1 be constituted polyurethane thread-shaped 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 formation system through polyurethane thread-shaped section bar; Both can pultrusion become the densely covered formation of glass fibre thread-shaped section bar skeleton 1; Can polyurethane resin and the densely covered formation of glass fibre thread-shaped section bar skeleton 1 be constituted polyurethane thread-shaped 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 formation system through polyurethane thread-shaped section bar; Both can pultrusion become the densely covered formation of glass fibre thread-shaped section bar skeleton 1; Can polyurethane resin and the densely covered formation of glass fibre thread-shaped section bar skeleton 1 be constituted polyurethane thread-shaped section bar again, its physical mechanical and mechanical property are better relatively.
Embodiment 1-7: on embodiment 1 basis; On the basis of embodiment 1 and 2; Adopt 10% polyurethane resin and 90% glass formation system through polyurethane thread-shaped section bar; Both can pultrusion become the densely covered formation of glass fibre thread-shaped section bar skeleton 1, and can polyurethane resin and the densely covered formation of glass fibre thread-shaped section bar skeleton 1 be constituted polyurethane thread-shaped 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 thread-shaped section bar of institute's pultrusion.
Above-mentioned glass is meant glass fibre or glass fibre and glass fiber mat, or graphite fiber, or spins the synthetic fibre fiber, or reinforcing fiber such as polyster fibre, or metallicity strengthens silk; Above-mentioned glass felt is meant the glass fiber mat fiberglass gridding cloth, or glass fiber cloth 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 thread-shaped section bar is characterized in that: constitute thread-shaped section bar skeleton by densely covered layer of multi beam glass fibre and glass fiber mat, the compound and formation polyurethane thread-shaped section bar in outside in polyurethane resin and the thread-shaped section bar skeleton.
2. polyurethane thread-shaped section bar according to claim 1; It is characterized in that: the densely covered layer of the glass fibre in the said thread-shaped section bar skeleton coats a glass fiber mat; Or be equipped with the densely covered layer of glass fibre between glass fiber mat, or densely covered layer of glass fibre and glass fiber mat stack formation.
3. polyurethane thread-shaped section bar according to claim 1 is characterized in that: the outside is meant the gather face of layer and glass fiber mat of multi beam glass fibre in the polyurethane resin section bar in the said thread-shaped section bar skeleton.
4. polyurethane thread-shaped product moulding as claimed in claim 1 system; It is characterized in that constituting by thread-shaped section bar polyurethane resin injection mold, cooling die and heat setting mould; Thread-shaped section bar polyurethane resin injection mold has two imports; The one, for the polyurethane material feeding mouth and be positioned at thread-shaped 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 fiber mat, the outlet of multi beam glass fibre and is communicated with the cooling die import; The outlet of cooling die is communicated with the import of heat setting mould, and the outlet of heat setting mould is the outlet of thread-shaped polyurethane type composite section material pultrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205294747U CN202532157U (en) | 2011-12-17 | 2011-12-17 | Polyurethane helical profile and forming system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205294747U CN202532157U (en) | 2011-12-17 | 2011-12-17 | Polyurethane helical profile and forming system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202532157U true CN202532157U (en) | 2012-11-14 |
Family
ID=47133343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205294747U Expired - Fee Related CN202532157U (en) | 2011-12-17 | 2011-12-17 | Polyurethane helical profile and forming system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202532157U (en) |
-
2011
- 2011-12-17 CN CN2011205294747U patent/CN202532157U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102518932A (en) | Polyurethane composite profile and forming method for same | |
| CN202595948U (en) | Polyurethane special-shaped section for glass curtain wall and forming system | |
| CN102518356B (en) | Energy-saving door window frame or door window sash or door panel section or door panel made of polyurethane composite material | |
| CN102518357B (en) | Composite energy-saving door window frame or door window sash frame and forming method | |
| CN202532156U (en) | Polyurethane cylindrical profile and forming system | |
| CN202532158U (en) | Polyurethane I-shaped profile and forming system | |
| CN202719360U (en) | Polyurethane composite transverse H-shaped section and shaping system | |
| CN202899889U (en) | A polyurethane combined-type energy-saving window frame or window sash frame and a fiber reinforced plastic section bar forming system | |
| CN202719361U (en) | Polyurethane composite cylindrical section bar and forming system | |
| CN202719362U (en) | Polyurethane composite circular section bar and forming system | |
| CN202532157U (en) | Polyurethane helical profile and forming system | |
| CN202532159U (en) | Polyurethane composite H-shaped profile and forming system | |
| CN202786087U (en) | Polyurethane angle iron-shaped section bar and forming system | |
| CN102031914A (en) | Reinforcing rib section for polyurethane composite material energy-saving door and door sash frame or window and window sash frame | |
| CN102518233A (en) | Polyurethane composite material special-shaped section for glass curtain wall and forming method | |
| CN201915531U (en) | Polyurethane composite threaded sectional bar | |
| CN201915530U (en) | Polyurethane composite H-shaped sectional bar | |
| CN202072653U (en) | Special section of polyurethane composite material for glass curtain wall and forming system | |
| CN202595947U (en) | Polyurethane circular tube section and forming system | |
| CN202717737U (en) | Polyurethane composite material profiled sectional bar for glass curtain wall and forming system | |
| CN202834701U (en) | Polyurethane square pipe section bar and forming system | |
| CN202718254U (en) | Polyurethane composite groove section bar and forming system | |
| CN202702637U (en) | Polyurethane composite thread-shaped section bar and forming system | |
| CN202706781U (en) | Composite energy-saving door frame or door leaf frame | |
| CN202719359U (en) | Polyurethane H-shaped section and molding system |
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: 20121114 Termination date: 20141217 |
|
| EXPY | Termination of patent right or utility model |