CN101864807B - Vibration-isolating rubber bearing for building and manufacturing method thereof - Google Patents
Vibration-isolating rubber bearing for building and manufacturing method thereof Download PDFInfo
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- CN101864807B CN101864807B CN2009101312264A CN200910131226A CN101864807B CN 101864807 B CN101864807 B CN 101864807B CN 2009101312264 A CN2009101312264 A CN 2009101312264A CN 200910131226 A CN200910131226 A CN 200910131226A CN 101864807 B CN101864807 B CN 101864807B
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Abstract
The invention relates to a manufacturing method of a vibration-isolating rubber bearing for building, which adopts a mould to make internal steel plates and internal rubber by pressing to form an internal rubber and internal steel plate composite layer and an internal rubber, internal steel plate and internal rubber composite layer, and the size is precise and the thickness error is 0.05mm. The invention solves the offset problem of the internal steel plates, and simultaneously no residual rubber is removed; no air is generated in the process of curing mold, so no air needs to be exhausted. Since the rubber protective layer of the vibration-isolating rubber bearing for building adopts an injection rubber process, the rubber protective layer of the vibration-isolating rubber bearing for building can adopt more anti-aging special rubber different from the internal rubber, such as EPDM rubber, halogenated butyl rubber, mixing polyurethane rubber and the like, thereby improving the quality and service life of products.
Description
Technical field:
The present invention relates to a kind of architectural vibration-insulation rubber supporting seat and manufacturing approach thereof particularly natural rubber as inner rubber architectural vibration-insulation rubber supporting seat and manufacturing approach thereof.
Background technology:
Existing architectural vibration-insulation rubber supporting seat generally is made up of two layers of envelope steel plate, multilayer inner rubber, the inner steel plate of multilayer, the rubber support protective layer of band connecting hole.General existing building rubber earthquake isolation support is made with mould pressing method.Inside steel plate with existing mould pressing method manufacturing product can produce skew; The reason of skew is that inside steel plate, the individual layer inner rubber of individual layer put into the sulfurizing mould chamber successively; Externally the pressure molded vulcanization process initial stage, inner rubber can produce uneven flow results makes inner steel plate produce skew.The skew of the inner steel plate of architectural vibration-insulation rubber supporting seat can influence its mechanical property, as in the GB 20688.3-2006 national standard, and cutting performance and limit cutting performance.Thereby influence the quality of architectural vibration-insulation rubber supporting seat.Architectural vibration-insulation rubber supporting seat need have one deck rubber cover in addition, and existing rubber cover divides two types, and a kind of is that rubber cover is a parcel before the bearing sulfuration, and another kind is that rubber cover wraps up in bearing sulfuration back.The shortcoming of parcel is that inner rubber is extruded into the sulfurizing mould edge and has formed rubber cover before the sulfuration.Sulfuration back parcel rubber cover shortcoming is that rubber integument and architectural vibration-insulation rubber supporting seat are gapped, and air can get into architectural vibration-insulation rubber supporting seat from the gap, and has influence on the architectural vibration-insulation rubber supporting seat life-span.Existing application number is 200510018372.8 a kind of rubber support and manufacturing approach thereof, and this rubber support is by multilayer rubber and the multilayer steel plate bearing of the cuboid that after vulcanizing, forms of lamination or cylinder or other how much bodily forms successively of putting more energy into, and comprises the steel plate of putting more energy into, sulfuration all-in-one-piece elastic rubbery body; There is the protection rubber layer side of bearing, and there is 1～1500 equally distributed small embossment on the protection rubber layer surface of the vertical side of said bearing, this small embossment be shaped as cylinder or cuboid or Rotary-table or its assembly; Its preparation method comprises gets the raw materials ready, and mould is handled, and pieces together mould, group mould; Sulfuration, steps such as the demoulding have N exhaust, binder removal hole on the mould of limit; Its shape generally is that an end is big, an end is little, and big end is positioned at limit mould inwall, small end have outward can with the binder removal groove of atmosphere; Binder removal, exhaust can be carried out in the side of mould in this method, and exhaust is even, and making up and down, die cap can effectively closely contact with the limit mould; The rubber support flatness of making is good, pin-point accuracy, and inner steel plate does not have inclined to one side plate.Application number is that 03269924.7 utility model relates to a kind of nano material modified rubber bearing; It is made up of nano material modified rubber bearing and the steel plate that is arranged in the nano material modified rubber bearing; Adopt the nano material modified rubber bearing; In bearing, add compression performance and ageing-resistant performance that cartridge plate has improved the sizing material of bearing, prolonged service life; Improve the dynamic property of product simultaneously, helped the raising of serviceability.Above-mentioned method all can not effectively solve the inside steel plate skew that exists in the manufacturing process of architectural vibration-insulation rubber supporting seat and the problem of rubber cover loss of properties on aging.
Use the rubber support of pulling down on the bridge in 50 years to show in Britain, the externally aging 15%-20% of rubber support explains that the ageing of rubber of rubber support carries out from the outside to inside.
Summary of the invention:
The technical problem that the present invention will solve is: the above-mentioned inner steel plate skew that exists in the manufacturing process of existing architectural vibration-insulation rubber supporting seat and the problem of rubber cover loss of properties on aging.
The technical scheme that solves its above-mentioned technical problem is: a kind of architectural vibration-insulation rubber supporting seat, it is made up of 2 layers of envelope steel plate and 1 layer of inner rubber-inner steel plate-inner rubber composite bed, x layer inner rubber-inner steel plate composite bed, ageing-resistant rubber rubber support protective layer.It is characterized in that: inner steel plate of said architectural vibration-insulation rubber supporting seat and inner rubber are to use mould through compression molding in advance, and inside steel plate after the compression molding and inner rubber gauge error are at 0.05mm.The architectural vibration-insulation rubber supporting seat protective layer is parcel before making sulfuration; The architectural vibration-insulation rubber supporting seat manufacturing method of protective layer is with injection compounding rubber gluing method; Mould adopts the split sulfurizing mould that has injection rubber inlet, sizing material employing ageing-resistant rubber such as ethylene propylene diene rubber, halogenated butyl rubber, millable polyurethane elastomer etc.x＝25～220
A kind of manufacturing approach of architectural vibration-insulation rubber supporting seat may further comprise the steps:
A, raw material are prepared: natural rubber is plasticated, and the refining elastomeric compound comprises inner rubber and rubber cover, crosses the steel plate that scribbles binder then through blasting treatment.
B, elastomeric compound processed the thin slice elastomeric compound of given size with calender or extruder.
C, with steel plate through blasting treatment, be coated with binder then.
D, with the inner steel plate of mould compacting a slice and a slice inner rubber, make it to be layed onto the inner rubber-inner steel plate composite bed that forms inner steel plate of a slice and inner rubber together.Mould can be column type and positive square.
E, with mould compacting a slice inner rubber, the inner steel plate of a slice, a slice inner rubber, make it to be layed onto the inner rubber-inner steel plate-inner rubber composite bed that forms the inner steel plate of a slice and two inner rubber together.Mould can be column type and positive square.
F, inner rubber-inner steel plate composite bed, a slice envelope steel plate that a slice is sealed steel plate, a slice inner rubber-inner steel plate-inner rubber composite bed, x sheet inner rubber are put into the split sulfurizing mould that architectural vibration-insulation rubber supporting seat has injection rubber inlet successively.The split sulfurizing mould can be column type and positive square.
G, crossed belt have the split sulfurizing mould of injection rubber inlet, and put it in the vulcanizer that has heated, and 10-20MPa keep-ups pressure.
H, elastomeric compound rubber injection machine injection port aimed at the split sulfurizing mould injection inlet have injection rubber inlet.
I, unlatching rubber injection machine inject anti-aging rubber cover elastomeric compound, are full of the split sulfurizing mould that has injection rubber inlet until injection anti-aging rubber cover elastomeric compound.Injection pressure is 4-10MPa.
J, the split sulfurizing mould injection port that will have an injection rubber inlet are closed heating, sulfuration.Temperature 100 ℃-150 ℃ time 4-10 hour.
K, wait to reach cure time after, with mould cooling, temperature is opening mold in the time of 80-100 ℃.
Behind L, the mold open the surplus glue of injection inlet is repaiied.
Architectural vibration-insulation rubber supporting seat manufacturing approach of the present invention is compared with existing architectural vibration-insulation rubber supporting seat manufacturing approach and is had the following advantages: owing to adopt mould to suppress inner steel plate and inner rubber; Make it to become inner rubber-inner steel plate composite bed and inner rubber-inner steel plate-inner rubber composite bed, obtain accurate in size thickness error at 0.05mm.Solved inner steel plate offset problem.There is not surplus glue to get rid of simultaneously.In sulfuration mould process, do not choke with resentment yet.So without exhaust.Owing to adopt the injection rubber process; So can be so that the architectural vibration-insulation rubber supporting seat rubber cover can adopt the more ageing-resistant specific rubber that is different from inner rubber; Like ethylene propylene diene rubber, halogenated butyl rubber, millable polyurethane elastomer etc., thereby improve the quality of products and service life.
Architectural vibration-insulation rubber supporting seat mould sketch map, wherein;
Fig. 1 has the split sulfurizing mould of injection rubber inlet
A, last buckle
B, top board
C, envelope steel plate
D, rubber cover
E, inner steel plate
F, injection mixing of rubber inlet
G, bearing interstitial hole
H, inner rubber
I, have injection rubber inlet split die cavity, two lobes are formed
J, envelope steel plate
K, lower platen
L, lower pinch plate
Fig. 2 has the column type split sulfurizing mould sketch map of injection rubber inlet
Fig. 3 has the positive square split sulfurizing mould sketch map of injection rubber inlet
Fig. 4 inner rubber-inner steel plate composite bed mould, wherein:
1, inner rubber
2, inner steel plate
3, composite bed mould loam cake
4, the empty die cavity of composite bed mould
5, composite bed mould die cavity body
6, composite bed mould lower cover
7, moulding inner rubber, inner steel plate in the composite bed mould die cavity
8, inner rubber-inner steel plate composite bed
9, column type composite bed mould
10, positive square composite bed mould
Fig. 5 inner rubber-inner steel plate-inner rubber composite bed mould, wherein: inner rubber
1, inner rubber
2, inner steel plate
3, composite bed mould loam cake
4, the empty die cavity of composite bed mould
5, composite bed mould die cavity body
6, composite bed mould lower cover
7, moulding inner rubber, inner steel plate, inner rubber in the composite bed mould die cavity
8, inner rubber-inner steel plate-inner rubber composite bed
9, column type composite bed mould
10, positive square composite bed mould
Embodiment one:
The 4000g natural rubber is plasticated to natural rubber with mill in 16 o'clock; 70-80 ℃ of mill roller temperature; Plasticate and play the triangle bag when Wei Shi plasticity reaches 02-0.4 then; Park and with mill in 16 o'clock natural rubber is carried out mixingly after 24 hours, add zinc oxide 200g successively, stearic acid 120g, captax 60g, altax 60g, antiaging agent 4010 60g, anti-aging agent RD 60g, softening agent naphthenic oil 400g, N330 carbon black 2000g, vulcanizing agent insoluble sulfur 80g etc.80-90 ℃ of mill mixing temperature, 6-15 minute following sheet, the natural rubber elastomeric compound behind the following sheet is parked after 24～168 hours for use.
With mill in 16 o'clock or carry out the 4000g ethylene propylene diene rubber mixing; Add zinc oxide 180g successively, stearic acid 100g, promoter TT 60g, captax 60g, antiaging agent 4020 60g, softening agent naphthenic oil 200g, N330 carbon black 1000g, N220 carbon black 1500g, sulphur 100g etc.80-90 ℃ of mill mixing temperature, 6-15 minute following sheet, the ethylene propylene diene rubber elastomeric compound behind the following sheet is parked after 24～168 hours for use.
Prolong machine or the natural rubber elastomeric compound processed the thin slice of regulation with 8 o'clock three rollers.Roller temperature was 60-80 ℃ when tri-roll press machine went out the natural rubber mixed sheet in 8 o'clock, roll spacing 3.6-3.8mm speed 3-6m/min slice thickness 4mm+0.1.The size that thickness 4mm+0.1 natural rubber mixed sheet is cut into diameter 490mm ± 1 is for use.
Blasting treatment is carried out on the Q235 trade mark steel plate thickness 20mm ± envelope steel plate of 0.1 diameter 500mm ± 0.1, the steel plate thickness 3mm of the Q235 trade mark ± inner steel plate two sides, 0.1 diameter 490mm ± 1; Clean with No. 120 industrial napthas then; Be coated with binder Kai Muluoke after the drying again, be coated with park after 4-24 hour behind the Kai Muluoke for use.
It is compound with the column type mould natural rubber mixed sheet of thickness 4mm+0.1 diameter 490mm ± 1 and diameter 490mm ± 1 to be coated with the inner steel plate of binder Kai Muluoke.Natural rubber mixed sheet inner rubber is put into the column type mould, put into the pressurization of inner steel plate matched moulds again, pressure is 0.4-4MPa, and temperature is 60-80 ℃, and the time is 0.5-3min, obtains 1 of inner rubber-inner steel plate composite bed after the die sinking.Repeat above-mentioned technical process and can obtain 24 of inner rubber-inner steel plate composite bed for 24 times.With another column type mould; Put into above-mentioned size inner rubber, inner steel plate, the pressurization of inner rubber matched moulds, pressure is 0.4-4MPa, and temperature is 60-80 ℃; Time is 0.5-3min, obtains 1 of inner rubber-inner steel plate-inner rubber composite bed after the die sinking..The envelope steel plate is coated with 24 of 1 of the envelope steel plates, inner rubber-inner steel plate-1 of inner rubber composite bed, inner rubber of binder Kai Muluoke-inner steel plate composite bed; Be coated with Kai Muluoke envelope steel plate, put into the column type split sulfurizing mould that has injection rubber inlet, mold temperature 80-90 ℃ successively.
The split sulfurizing mould that will have injection rubber inlet is put into the 600T vulcanizing press; Pressurized, heated, pressure 15MPa, 120 ℃ of temperature; Then the split sulfurizing mould inlet that has injection rubber inlet is aimed in the outlet of 5000cc rubber injection machine, injection ethylene-propylene-diene monomer compound protective layer elastomeric compound.Open rubber injection machine and inject ethylene propylene diene rubber anti-aging rubber cover elastomeric compound, be full of the split sulfurizing mould that has injection rubber inlet until injection anti-aging rubber cover elastomeric compound.Injection pressure 4-12MPa, 3-10 minute inject time, closes injector rubber injection mouth then by injection temperature 110-120 ℃.Vulcanizing press heating then, sulfuration.Temperature is at 150 ℃, pressure 15Mpa, 4 hours time.
After waiting to reach cure time, with the mould cooling, temperature is opening mold in the time of 80-100 ℃.Behind the mold open the surplus glue of architectural vibration-insulation rubber supporting seat injection inlet is repaiied.
With the architectural vibration-insulation rubber supporting seat that the foregoing description is made, following through the detection technique index:
Press State Standard of the People's Republic of China GB 20688.3-2006 rubber support the 3rd part: architectural vibration-insulation rubber supporting seat testing result: σ
V=12Mpa, the horizontal performance of γ=50%, equivalent stiffness 1233KN/mm equivalent damping ratio 3.0%; The horizontal performance of γ=100%, equivalent stiffness 1259KN/mm equivalent damping ratio 4.8% γ=250% horizontal performance, equivalent stiffness 1109KN/mm equivalent damping ratio 11.5% vertical rigidity 2536KN/mm.
The inner rubber performance detects by State Standard of the People's Republic of China GB 20688.3-2006 rubber support the 3rd part appendix B: hot strength 23MPa; Elongation at break %549; Hardness IRHD64; Rubber and metal bondability N/mm 7; Destroying type rubber destroys; Brittleness temperature ℃-42; Ethylene propylene diene rubber rubber cover ozone aging standard testing result: ozone concentration 500pphm, 40 ℃ of 168 hours results of 25% ageing time that stretch of temperature do not have breach; Hot strength 21MPa; Elongation at break %521; Hardness IRHD64.
Embodiment two:
The 20000g natural rubber is plasticated to natural rubber with the 50L banbury; Discharge when the Wei Shi plasticity of plasticating reaches 02-0.4 was parked 24 hours, carried out mixing with the 50L banbury then; Add zinc oxide 1000g successively; Stearic acid 500g, captax 300g, altax 300g, antiaging agent 4010 150g, anti-aging agent RD 150g, softening agent naphthenic oil 2000g, 100-110 ℃ of N330 carbon black 8500g, N220 carbon black 1500g, mixer mixing temperature, binder removal after 5 minutes mixer mixing time; Compressing tablet after vulcanization agent insoluble sulfur 600g; Add with mill, 80-90 ℃ of mill mixing temperature, 6-9 minute following sheet, the natural rubber elastomeric compound behind the sheet is parked after 24 hours for use down.
Add halogenated butyl rubber 20000g, add zinc oxide 1000g with the 50L banbury; Stearic acid 500g, captax 300g, promoter TT 300g, antiaging agent 4020 150g, softening agent naphthenic oil 2000g; 100-110 ℃ of N330 carbon black 5000g, N220 carbon black 5000g, mixer mixing temperature; Binder removal after 6 minutes mixer mixing time, 600g such as compressing tablet after vulcanization agent insoluble sulfur add with mill; 80-90 ℃ of mill mixing temperature, 6-9 minute following sheet, halogenated butyl rubber, the elastomeric compound behind the sheet parked after 24 hours for use down.
Prolong the thin slice that regulation processed the natural rubber elastomeric compound by machine or 30 millimeters extruders with 8 o'clock three rollers.Roller temperature was 60-80 ℃ when tri-roll press machine went out the natural rubber mixed sheet in 8 o'clock, roll spacing 3.6-3.8mm speed 3-6m/min slice thickness 4mm+0.1.
Blasting treatment is carried out on the Q235 trade mark steel plate thickness 40mm ± envelope steel plate of 0.1 diameter 800mm ± 0.1, the steel plate thickness 3mm of the Q235 trade mark ± inner steel plate two sides, 0.1 diameter 790mm ± 1; Clean with No. 120 industrial napthas then; Be coated with binder Kai Muluoke after the drying again, be coated with park after 8-24 hour behind the Kai Muluoke for use.
Just to be coated with the inner steel plate of binder Kai Muluoke compound natural rubber mixed sheet and diameter 790mm ± 1 of thickness 4mm+0.1 diameter 790mm ± 1 with the column type mould.Natural rubber mixed sheet inner rubber is put into the column type mould, put into the pressurization of inner steel plate matched moulds again, pressure is 0.4-4MPa, and temperature is 60-80 ℃, and the time is 0.5-3min, obtains 1 of inner rubber-inner steel plate composite bed after the die sinking.Repeat above-mentioned technical process and can obtain 67 of inner rubber-inner steel plate composite bed for 67 times.With another column type mould; Put into above-mentioned size inner rubber, inner steel plate, inner rubber, matched moulds pressurization, pressure is 0.4-4MPa, and temperature is 60-80 ℃; Time is 0.5-3min, obtains 1 of inner rubber-inner steel plate-inner rubber composite bed after the die sinking..The envelope steel plate is coated with 67 of 1 of the envelope steel plates, inner rubber-inner steel plate-1 of inner rubber composite bed, inner rubber of binder Kai Muluoke-inner steel plate composite bed; Be coated with Kai Muluoke envelope steel plate, put into the split sulfurizing mould that has injection rubber inlet, mold temperature 80-90 ℃ successively.
The split sulfurizing mould that will have injection rubber inlet is put into the 600T vulcanizing press; Pressurized, heated, pressure 15MPa, 120 ℃ of temperature; Then the split sulfurizing mould inlet that has injection rubber inlet is aimed in the outlet of 8000cc rubber injection machine, injection halogenated butyl rubber protective layer elastomeric compound.Open rubber injection machine and inject halogenated butyl rubber anti-aging rubber cover elastomeric compound, be full of the split sulfurizing mould that has injection rubber inlet until injection anti-aging rubber cover elastomeric compound.Injection pressure 4-12MPa, 5-12 minute inject time, closes injector rubber injection mouth then by injection temperature 110-120 ℃.Vulcanizing press heating then, sulfuration.Temperature is at 150 ℃, pressure 15Mpa, 7 hours time.
After waiting to reach cure time, with the mould cooling, temperature is opening mold in the time of 80-100 ℃.Behind the mold open the surplus glue of architectural vibration-insulation rubber supporting seat injection inlet is repaiied.
With the architectural vibration-insulation rubber supporting seat that the foregoing description is made, following through the detection technique index:
With the architectural vibration-insulation rubber supporting seat that the foregoing description is made, following through the detection technique index:
The inner rubber performance detects by State Standard of the People's Republic of China GB 20688.3-2006 rubber support the 3rd part appendix B: hot strength 22MPa; Elongation at break %533; Hardness IRHD64; Rubber and metal bondability N/mm 7; Destroying type rubber destroys; Brittleness temperature ℃-42; Halogenated butyl rubber rubber cover ozone aging standard testing result: ozone concentration 500pphm, 40 ℃ of 168 hours results of 25% ageing time that stretch of temperature do not have breach; Hot strength 22MPa; Elongation at break %539; Hardness IRHD64.
Embodiment three:
The 20000g natural rubber is plasticated to natural rubber with the 50L banbury; Discharge when the Wei Shi plasticity of plasticating reaches 02-0.4 was parked 24 hours, carried out mixing with the 50L banbury then; Add zinc oxide 1000g successively; Stearic acid 500g, captax 300g, altax 300g, antiaging agent 4010 150g, anti-aging agent RD 150g, softening agent naphthenic oil 2000g, 100-110 ℃ of N330 carbon black 8500g, N220 carbon black 1500g, mixer mixing temperature, binder removal after 5 minutes mixer mixing time; Compressing tablet after vulcanization agent insoluble sulfur 600g; Add with mill, 80-90 ℃ of mill mixing temperature, 6-9 minute following sheet, the natural rubber elastomeric compound behind the sheet is parked after 24 hours for use down.
With the 50L banbury add millable polyurethane elastomer 20000g, calcium stearate 100g,, stearic acid 500g, captax 600g, altax 300g, coumarone indene resin
30000g, chlorine zinc altax complex compound 100g, N330 carbon black 5000g; 100-110 ℃ of mixer mixing temperature; Binder removal after 6 minutes mixer mixing time, 100g such as compressing tablet after vulcanization agent insoluble sulfur add with mill; 80-90 ℃ of mill mixing temperature, 6-9 minute following sheet, the millable polyurethane elastomer elastomeric compound is parked after 24 hours for use behind the sheet down.
Prolong the thin slice that regulation processed the natural rubber elastomeric compound by machine or 30 millimeters extruders with 8 o'clock three rollers.Roller temperature was 60-80 ℃ when tri-roll press machine went out the natural rubber mixed sheet in 8 o'clock, roll spacing 3.6-3.8mm speed 3-6m/min slice thickness 4mm+0.1.
Blasting treatment is carried out on the Q235 trade mark steel plate thickness 40mm ± envelope steel plate of 0.1 length of side 800mm * 800mm ± 0.1, the steel plate thickness 3mm of the Q235 trade mark ± inner steel plate two sides, 0.1 length of side 780mm * 780mm ± 0.1; Clean with No. 120 industrial napthas then; Be coated with binder Kai Muluoke after the drying again, be coated with park after 8-24 hour behind the Kai Muluoke for use.
Just to be coated with the inner steel plate of binder Kai Muluoke compound natural rubber mixed sheet and length of side 780mm * 780mm ± 0.1 of thickness 4mm+0.1 length of side 780mm * 780mm ± 0.1 with square mould.Natural rubber mixed sheet inner rubber is put into positive square mould, put into the pressurization of inner steel plate matched moulds again, pressure is 0.4-4MPa, and temperature is 60-80 ℃, and the time is 0.5-3min, obtains 1 of inner rubber-inner steel plate composite bed after the die sinking.Repeat above-mentioned technical process and can obtain 67 of inner rubber-inner steel plate composite bed for 67 times.With another positive square mould; Put into above-mentioned size inner rubber, inner steel plate, inner rubber, matched moulds pressurization, pressure is 0.4-4MPa, and temperature is 60-80 ℃; Time is 0.5-3min, obtains 1 of inner rubber-inner steel plate-inner rubber composite bed after the die sinking..The envelope steel plate is coated with 67 of 1 of the envelope steel plates, inner rubber-inner steel plate-1 of inner rubber composite bed, inner rubber of binder Kai Muluoke-inner steel plate composite bed; Be coated with Kai Muluoke envelope steel plate, put into the split sulfurizing mould that has injection rubber inlet, mold temperature 80-90 ℃ successively.
The positive square split sulfurizing mould that will have injection rubber inlet is put into the 600T vulcanizing press; Pressurized, heated; Pressure 15MPa; 120 ℃ of temperature are aimed at the positive square split sulfurizing mould inlet that has injection rubber inlet with the outlet of 8000cc rubber injection machine then, injection millable polyurethane elastomer rubber cover elastomeric compound.Open rubber injection machine and inject millable polyurethane elastomer anti-aging rubber cover elastomeric compound, be full of the split sulfurizing mould that has injection rubber inlet until injection anti-aging rubber cover elastomeric compound.Injection pressure 4-12MPa, 5-7 minute inject time, closes injector rubber injection mouth then by injection temperature 110-120 ℃.Vulcanizing press heating then, sulfuration.Temperature is at 150 ℃, pressure 15Mpa, 7 hours time.
After waiting to reach cure time, with the mould cooling, temperature is opening mold in the time of 80-100 ℃.Behind the mold open the surplus glue of architectural vibration-insulation rubber supporting seat injection inlet is repaiied.
With the architectural vibration-insulation rubber supporting seat that the foregoing description is made, following through the detection technique index:
The inner rubber performance detects by State Standard of the People's Republic of China GB 20688.3-2006 rubber support the 3rd part appendix B: hot strength 22MPa; Elongation at break %527; Hardness IRHD64; Rubber and metal bondability N/mm 7; Destroying type rubber destroys; Brittleness temperature ℃-42; Millable polyurethane elastomer rubber cover ozone aging standard testing result: ozone concentration 500pphm, 40 ℃ of 168 hours results of 25% ageing time that stretch of temperature do not have breach; Hot strength 24MPa; Elongation at break %521; Hardness IRHD64.
Embodiment four:
The 20000g natural rubber is plasticated to natural rubber with the 50L banbury; Discharge when the Wei Shi plasticity of plasticating reaches 02-0.4 was parked 24 hours, carried out mixing with the 50L banbury then; Add zinc oxide 1000g successively; Stearic acid 500g, captax 300g, altax 300g, antiaging agent 4010 150g, anti-aging agent RD 150g, softening agent naphthenic oil 2000g, 100-110 ℃ of N330 carbon black 8500g, N220 carbon black 1500g, mixer mixing temperature, binder removal after 5 minutes mixer mixing time; Compressing tablet after vulcanization agent insoluble sulfur 600g; Add with mill, 80-90 ℃ of mill mixing temperature, 6-9 minute following sheet, the natural rubber elastomeric compound behind the sheet is parked after 24 hours for use down.
With the 50L banbury add halogenated butyl rubber,, add zinc oxide 1000g; Stearic acid 500g, captax 300g, promoter TT 300g, antiaging agent 4020 150g, softening agent naphthenic oil 2000g; 100-110 ℃ of N330 carbon black 5000g, N220 carbon black 5000g, mixer mixing temperature; Binder removal after 6 minutes mixer mixing time, 600g such as compressing tablet after vulcanization agent insoluble sulfur add with mill; 80-90 ℃ of mill mixing temperature, 6-9 minute following sheet, halogenated butyl rubber, the elastomeric compound behind the sheet parked after 24 hours for use down.
Prolong the thin slice that regulation processed the natural rubber elastomeric compound by machine or 30 millimeters extruders with 8 o'clock three rollers.Roller temperature was 60-80 ℃ when tri-roll press machine went out the natural rubber mixed sheet in 8 o'clock, roll spacing 3.6-3.8mm speed 3-6m/min slice thickness 5mm+0.1.
Blasting treatment is carried out on the Q235 trade mark steel plate thickness 60mm ± envelope steel plate of 0.1 length of side 1000mm * 1000mm ± 0.1, the steel plate thickness 4mm of the Q235 trade mark ± inner steel plate two sides, 0.1 length of side 9800mm * 9800mm ± 0.1; Clean with No. 120 industrial napthas then; Be coated with binder Kai Muluoke after the drying again, be coated with park after 8-24 hour behind the Kai Muluoke for use.
Just to be coated with the inner steel plate of binder Kai Muluoke compound natural rubber mixed sheet and diameter length of side 9800mm * 9800mm ± 0.1 of thickness 5mm+0.1 length of side 9800mm * 9800mm ± 0.1 with positive square mould.Natural rubber mixed sheet inner rubber is put into positive square mould, put into the pressurization of inner steel plate matched moulds again, pressure is 0.4-4MPa, and temperature is 60-80 ℃, and the time is 0.5-3min, obtains 1 of inner rubber-inner steel plate composite bed after the die sinking.Repeat above-mentioned technical process and can obtain 87 of inner rubber-inner steel plate composite bed for 87 times.With another positive square mould; Put into above-mentioned size inner rubber, inner steel plate, inner rubber, matched moulds pressurization, pressure is 0.4-4MPa, and temperature is 60-80 ℃; Time is 0.5-3min, obtains 1 of inner rubber-inner steel plate-inner rubber composite bed after the die sinking..The envelope steel plate is coated with 87 of 1 of the envelope steel plates, inner rubber-inner steel plate-1 of inner rubber composite bed, inner rubber of binder Kai Muluoke-inner steel plate composite bed; Be coated with Kai Muluoke envelope steel plate, put into the split sulfurizing mould that has injection rubber inlet, mold temperature 80-90 ℃ successively.
The split sulfurizing mould that will have injection rubber inlet is put into the 800T vulcanizing press; Pressurized, heated; Pressure 15MPa; 120 ℃ of temperature are aimed at the positive square split sulfurizing mould inlet that has injection rubber inlet with the outlet of 10000cc rubber injection machine then, injection halogenated butyl rubber protective layer elastomeric compound.Open rubber injection machine and inject halogenated butyl rubber anti-aging rubber cover elastomeric compound, be full of the split sulfurizing mould that has injection rubber inlet until injection anti-aging rubber cover elastomeric compound.Injection pressure 4-12MPa, 5-15 minute inject time, closes injector rubber injection mouth then by injection temperature 110-120 ℃.Vulcanizing press heating then, sulfuration.Temperature is at 150 ℃, pressure 15Mpa, 8 hours time.
After waiting to reach cure time, with the mould cooling, temperature is opening mold in the time of 80-100 ℃.Behind the mold open the surplus glue of architectural vibration-insulation rubber supporting seat injection inlet is repaiied.
With the architectural vibration-insulation rubber supporting seat that the foregoing description is made, following through the detection technique index:
The inner rubber performance detects by State Standard of the People's Republic of China GB 20688.3-2006 rubber support the 3rd part appendix B: hot strength 22MPa; Elongation at break %533; Hardness IRHD64; Rubber and metal bondability N/mm 7; Destroying type rubber destroys; Brittleness temperature ℃-42; Halogenated butyl rubber rubber cover ozone aging standard testing result: ozone concentration 500pphm, 40 ℃ of 168 hours results of 25% ageing time that stretch of temperature do not have breach; Hot strength 22MPa; Elongation at break %533; Hardness IRHD64.
Embodiment five:
The 20000g natural rubber is plasticated to natural rubber with the 50L banbury; Discharge when the Wei Shi plasticity of plasticating reaches 02-0.4 was parked 24 hours, carried out mixing with the 50L banbury then; Add zinc oxide 1000g successively; Stearic acid 500g, captax 300g, altax 300g, antiaging agent 4010 150g, anti-aging agent RD 150g, softening agent naphthenic oil 2000g, 100-110 ℃ of N330 carbon black 8500g, N220 carbon black 1500g, mixer mixing temperature, binder removal after 5 minutes mixer mixing time; Compressing tablet after vulcanization agent insoluble sulfur 600g; Add with mill, 80-90 ℃ of mill mixing temperature, 6-9 minute following sheet, the natural rubber elastomeric compound behind the sheet is parked after 24 hours for use down.
Add ethylene propylene diene rubber 20000g, add zinc oxide 1000g with the 50L banbury; Stearic acid 500g, captax 300g, promoter TT 300g, antiaging agent 4020 150g, softening agent naphthenic oil 2000g; 100-110 ℃ of N330 carbon black 5000g, N220 carbon black 5000g, mixer mixing temperature; Binder removal after 6 minutes mixer mixing time, 600g such as compressing tablet after vulcanization agent insoluble sulfur add with mill; 80-90 ℃ of mill mixing temperature, 6-9 minute following sheet, ethylene propylene diene rubber, the elastomeric compound behind the sheet parked after 24 hours for use down.
Prolong the thin slice that regulation processed the natural rubber elastomeric compound by machine or 30 millimeters extruders with 8 o'clock three rollers.Roller temperature was 60-80 ℃ when tri-roll press machine went out the natural rubber mixed sheet in 8 o'clock, roll spacing 3.6-3.8mm speed 3-6m/min slice thickness 4mm+0.1.
Blasting treatment is carried out on the Q235 trade mark steel plate thickness 40mm ± envelope steel plate of 0.1 diameter 800mm ± 0.1, the steel plate thickness 3mm of the Q235 trade mark ± inner steel plate two sides, 0.1 diameter 790mm ± 1; Clean with No. 120 industrial napthas then; Be coated with binder Kai Muluoke after the drying again, be coated with park after 8-24 hour behind the Kai Muluoke for use.
Just to be coated with the inner steel plate of binder Kai Muluoke compound natural rubber mixed sheet and diameter 790mm ± 1 of thickness 4mm+0.1 diameter 790mm ± 1 with the column type mould.Natural rubber mixed sheet inner rubber is put into the column type mould, put into the pressurization of inner steel plate matched moulds again, pressure is 0.4-4MPa, and temperature is 60-80 ℃, and the time is 0.5-3min, obtains 1 of inner rubber-inner steel plate composite bed after the die sinking.Repeat above-mentioned technical process and can obtain 67 of inner rubber-inner steel plate composite bed for 67 times.With another column type mould; Put into above-mentioned size inner rubber, inner steel plate, inner rubber, matched moulds pressurization, pressure is 0.4-4MPa, and temperature is 60-80 ℃; Time is 0.5-3min, obtains 1 of inner rubber-inner steel plate-inner rubber composite bed after the die sinking..The envelope steel plate is coated with 67 of 1 of the envelope steel plates, inner rubber-inner steel plate-1 of inner rubber composite bed, inner rubber of binder Kai Muluoke-inner steel plate composite bed; Be coated with Kai Muluoke envelope steel plate, put into the split sulfurizing mould that has injection rubber inlet, mold temperature 80-90 ℃ successively.
The split sulfurizing mould that will have injection rubber inlet is put into the 800T vulcanizing press; Pressurized, heated, pressure 15MPa, 120 ℃ of temperature; Then the split sulfurizing mould inlet that has injection rubber inlet is aimed in the outlet of 8000cc rubber injection machine, injection ethylene-propylene-diene monomer compound protective layer elastomeric compound.Open rubber injection machine and inject ethylene propylene diene rubber anti-aging rubber cover elastomeric compound, be full of the split sulfurizing mould that has injection rubber inlet until injection anti-aging rubber cover elastomeric compound.Injection pressure 4-12MPa, 5-15 minute inject time, closes injector rubber injection mouth then by injection temperature 110-120 ℃.Vulcanizing press heating then, sulfuration.Temperature is at 150 ℃, pressure 15Mpa, 10 hours time.
After waiting to reach cure time, with the mould cooling, temperature is opening mold in the time of 80-100 ℃.Behind the mold open the surplus glue of architectural vibration-insulation rubber supporting seat injection inlet is repaiied.
With the architectural vibration-insulation rubber supporting seat that the foregoing description is made, following through the detection technique index:
The inner rubber performance detects by State Standard of the People's Republic of China GB 20688.3-2006 rubber support the 3rd part appendix B: hot strength 23MPa; Elongation at break %549; Hardness IRHD64; Rubber and metal bondability N/mm 7; Destroying type rubber destroys; Brittleness temperature ℃-42; Ethylene propylene diene rubber rubber cover ozone aging standard testing result: ozone concentration 500pphm, 40 ℃ of 168 hours results of 25% ageing time that stretch of temperature do not have breach; Hot strength 21MPa; Elongation at break %521; Hardness IRHD64.
Claims (7)
1. architectural vibration-insulation rubber supporting seat; Be the architectural vibration-insulation rubber supporting seat of natural rubber as inner rubber; It is made up of 2 layers of envelope steel plate and 1 layer of inner rubber-inner steel plate-inner rubber composite bed, x layer inner rubber-inner steel plate composite bed, ageing-resistant rubber protective layer; It is characterized in that: the inside steel plate of said architectural vibration-insulation rubber supporting seat is to make it to be layed onto inner rubber-inner steel plate composite bed and the inner rubber-inner steel plate-inner rubber composite bed that forms 1 inner steel plate and inner rubber with the composite bed mould through compacting in advance with inner rubber, and the gauge error is at 0.05mm; Rubber cover wraps up before sulfuration, and packing technology is with injection compounding rubber gluing method, and sulfurizing mould adopts the split sulfurizing mould that has injection rubber inlet, and sizing material adopts ageing-resistant rubber, wherein x=25～220.
2. rubber support according to claim 1; It is characterized in that: the inside steel plate of said architectural vibration-insulation rubber supporting seat makes it to be layed onto in the technology of inner rubber-inner steel plate composite bed of forming 1 inner steel plate and inner rubber and inner rubber-inner steel plate-inner rubber composite bed through compacting with the composite bed mould with inner rubber; Pressure is 0.4-4MPa; Temperature is 60-80 ℃, and the time is 0.5-3min, and the gauge error is at 0.05mm.
3. rubber support according to claim 1 is characterized in that: the composite bed mould is three moulds, is divided into loam cake, lower cover, die cavity, and wherein the composite bed mould is cylindrical or square.
4. rubber support according to claim 1, it is characterized in that: rubber cover wraps up before sulfuration, and packing technology is with injection compounding rubber gluing method, injection pressure 4-12MPa, injection temperature 110-120 ℃, 3-10 minute inject time.
5. rubber support according to claim 1 is characterized in that: sulfurizing mould adopts the split sulfurizing mould that has injection rubber inlet, and die cavity is two lobes, and wherein the split sulfurizing mould is cylindrical or square.
6. rubber support according to claim 1 is characterized in that: it is a kind of in ethylene propylene diene rubber, halogenated butyl rubber or the millable polyurethane elastomer that the rubber cover sizing material adopts ageing-resistant rubber.
7. the manufacturing approach of an architectural vibration-insulation rubber supporting seat as claimed in claim 1 may further comprise the steps:
A, raw material are prepared: natural rubber is plasticated, and the refining elastomeric compound comprises inner rubber and rubber cover;
B, elastomeric compound processed the thin slice elastomeric compound of given size with calender or extruder;
C, with steel plate through blasting treatment, be coated with binder then;
D, with the inner steel plate of mould compacting a slice and a slice inner rubber, make it to be layed onto the inner rubber-inner steel plate composite bed that forms inner steel plate of a slice and inner rubber together, mould is cylindrical or square;
E, with mould compacting a slice inner rubber, the inner steel plate of a slice, a slice inner rubber; Make it to be layed onto the inner rubber-inner steel plate-inner rubber composite bed that forms the inner steel plate of a slice and two inner rubber together, mould is cylindrical or square;
F, inner rubber-inner steel plate composite bed, a slice envelope steel plate that a slice is sealed steel plate, a slice inner rubber-inner steel plate-inner rubber composite bed, x sheet inner rubber are put into the split sulfurizing mould that architectural vibration-insulation rubber supporting seat has injection rubber inlet successively, and the split sulfurizing mould is cylindrical or square;
G, crossed belt have the split sulfurizing mould of injection rubber inlet, and put it in the vulcanizer that has heated, and 10-15MPa keep-ups pressure;
H, the rubber injection machine injection port aimed at the split sulfurizing mould injection inlet have injection rubber inlet;
I, unlatching rubber injection machine inject ageing-resistant rubber protective layer elastomeric compound, are full of the split sulfurizing mould that has injection rubber inlet until injection ageing-resistant rubber protective layer elastomeric compound, and injection pressure is 4-10MPa;
J, the split sulfurizing mould injection inlet that will have an injection rubber injection inlet are closed, heating, sulfuration, temperature 100 ℃-150 ℃ time 4-10 hour;
K, wait to reach cure time after, with mould cooling, temperature is opening mold in the time of 80-100 ℃;
Behind L, the mold open the surplus glue of injection inlet is repaiied.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009101312264A CN101864807B (en) | 2009-04-10 | 2009-04-10 | Vibration-isolating rubber bearing for building and manufacturing method thereof |
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| CN2009101312264A CN101864807B (en) | 2009-04-10 | 2009-04-10 | Vibration-isolating rubber bearing for building and manufacturing method thereof |
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| CN101864807B true CN101864807B (en) | 2012-11-07 |
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Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102267209B (en) * | 2011-07-21 | 2014-05-14 | 江苏扬州合力橡胶制品有限公司 | Forming die for vibration isolating support seat |
| CN102518208A (en) * | 2011-12-06 | 2012-06-27 | 云南震安减震技术有限公司 | Large-diameter laminated rubber bearing for building |
| CN102814915B (en) * | 2012-07-18 | 2014-10-29 | 重庆松江管道设备厂 | Manufacturing process and manufacturing equipment for rubber vibration isolator |
| CN103786282B (en) * | 2013-05-10 | 2015-11-25 | 彭勃 | A kind of building laminated shock isolation rubber support short vulcanization mould |
| CN104175438B (en) * | 2014-07-22 | 2016-04-20 | 西安航天复合材料研究所 | A kind of accurate compression-moulding methods of shock insulation rubber bearing |
| CN104532959B (en) * | 2014-12-09 | 2017-01-25 | 广州大学 | Low-rise building isolation laminated bearing and manufacturing method thereof |
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| CN107245173B (en) * | 2017-05-18 | 2018-12-21 | 成都市新筑路桥机械股份有限公司 | A kind of composite damping material and its application in shock isolating pedestal |
| CN107327535A (en) * | 2017-05-27 | 2017-11-07 | 上海电力学院 | A kind of laminated type metal-rubber shock isolating pedestal for Substation Electric Equipment |
| CN111070531B (en) * | 2019-12-13 | 2021-07-30 | 衡橡科技股份有限公司 | Preparation method of building shock insulation rubber support and product thereof |
| CN111421749B (en) * | 2020-03-18 | 2022-05-24 | 株洲时代新材料科技股份有限公司 | Manufacturing method of elastic support of gear box, product of elastic support and high-pressure die |
| CN113799311A (en) * | 2021-10-14 | 2021-12-17 | 安徽微威胶件集团有限公司 | Preparation method of high-rigidity cylindrical rubber spring vibration isolator |
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