CN1887568A - New-type multifunctional polyurethane foaming machine - Google Patents
New-type multifunctional polyurethane foaming machine Download PDFInfo
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- CN1887568A CN1887568A CNA2006101089747A CN200610108974A CN1887568A CN 1887568 A CN1887568 A CN 1887568A CN A2006101089747 A CNA2006101089747 A CN A2006101089747A CN 200610108974 A CN200610108974 A CN 200610108974A CN 1887568 A CN1887568 A CN 1887568A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
- B29B7/76—Mixers with stream-impingement mixing head
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/72—Measuring, controlling or regulating
- B29B7/726—Measuring properties of mixture, e.g. temperature or density
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
- B29B7/7404—Mixing devices specially adapted for foamable substances
- B29B7/7409—Mixing devices specially adapted for foamable substances with supply of gas
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The new-type multifunctional polyurethane foaming machine may be used in foaming and forming high pressure polyurethane, foaming and forming polyurethane with CO2 and SC-CO2 as foaming agent, and foaming and forming microporous material. It has high pressure gear pump for conveying material, high and low pressure circulation converter, supercritical fluid generator, mixing injection gun, etc. interlinking under PLC control. The present invention features the capacity of realizing formation in different modes, the introduction of CO2 and SC-CO2 generator for 'green' formation in greatly shortened forming formation period, raised production efficiency and high product quality.
Description
Technical field
The present invention relates to macromolecular material contour machining equipment field, be specifically related to polyurethane foam contour machining equipment field.The New-type multifunctional polyurethane foaming machine of being invented can be used for the moulding of high pressure polyurethane foam, with CO
2And SC-CO
2(supercritical CO
2) be the polyurethane foam and the microporous foam formation of blowing agent.
Background technology
Since the appearance of twentieth century middle period, owing to make the polytropy of prescription and the adaptability of product properties, and physical and mechanical property, acoustical behavior, electric property and the chemical-resistance of self excellence, the application of polyurethane foam plastics is very extensive, almost has been penetrated into each department of national economy.
Along with improving constantly of forming technique level, being gradually improved of production technology, polyurethane foam industry has entered new developing stage, and new technology, new product continue to bring out, but also are faced with stern challenge.One of major technique research emphasis of current polyurethane foam plastics industry is the application of zero odp blowing agent.
At present, the blowing agent with zero odp value that is applied to the polyurethane foam plastics industry mainly contains: hydrogen fluorohydrocarbon (HFC), alkane, water and CO
2Though most of HFC have the advantage of not firing, have low toxicity, shortcoming that the gas phase thermal conductivity is low; The alkanes blowing agent is inflammable and explosive, the easy discharge generation spark of the static focus in the forming process and the goods that ignite are not only dangerous but also waste energy; Though water foaming agent has nontoxic advantage, the thin and incomplete defective of epidermis easily takes place in the gained foamed product; CO
2Blowing agent since have nonpolarity, nontoxic, do not fire, abundant and inexpensive advantage, as the substitute of the blowing agent of danger, be subjected to domestic and international scientific worker's extensive concern.
Microcellular foam material has special physical and mechanical property, as the impact strength height, the specific strength height, toughness, Heat stability is good, fatigue life, long and dielectric constant and thermal conductivity factor were low etc., be widely used in aircraft and automobile component, the sports equipment that the light weight resiliency is strong, the fibrous material of insulation insulation, the low surface modifying material that rubs and the biomedical articles etc. of packaging for foodstuff, high-strength light sound insulation, being called is " new material of 21 century ".
With SC-CO
2For preparing microcellular foam material, blowing agent has following special advantages: (1) mass tranfer coefficient height, can reach concentration balance in the short period of time, and can shorten process time, make the commercial Application of micropore foamed polymer preparation become possibility.(2) under identical temperature conditions, use SC-CO
2Higher equilibrium concentration can be reached, thereby higher cell density and littler cell diameter can be obtained.Owing in the micropore foamed polymer preparation, use SC-CO
2Have above-mentioned advantage, the middle and later periods nineties 20th century, the research of relevant micropore foamed polymer is mostly round SC-CO
2Launch.
Summary of the invention
The invention provides a kind of New-type multifunctional polyurethane foaming machine, this make-up machine can be used for the moulding of high pressure polyurethane foam, with CO
2And SC-CO
2Be the polyurethane foam of blowing agent and microporous foam formation etc.
Multifunctional polyurethane foaming machine provided by the invention comprises: SC-CO
2Generation systems; At least one raw material delivery cycle system; Injection device links to each other with described mixing arrangement and described at least one raw material delivery cycle system; And the PLC control device, be used for the parameters such as pressure, temperature and flow of auxiliary agent and raw material are controlled.
Multifunctional polyurethane foaming machine of the present invention can comprise two raw material delivery cycle systems: the first raw material delivery cycle system and the second raw material delivery cycle system.
Described SC-CO
2Generation systems can comprise the CO that is connected successively
2Memory, filter, condenser, flowmeter, high-pressure pump, constant temperature vacuum tank and flow control valve, the outlet of flow control valve links to each other with static mixer.
Described high-pressure pump can be screw pump, high-pressure gear pump or plunger displacement pump.
The described first raw material delivery cycle system can comprise the raw material accumulator tanks, be arranged on electric mixer, discharge gate, filter, metering conveyor, high-low pressure cyclic converter, heat exchanger on the raw material accumulator tanks.
Described raw material accumulator tanks is provided with a charge door and two discharging openings, in two discharging openings one is connected with filter, another is a discharge gate, the outlet of described filter is connected with the import of metering conveyor, and the outlet of described metering conveyor is connected with the import of high-low pressure cyclic converter.
Described metering conveyor is selected from high-pressure gear pump, plunger displacement pump or screw pump, is preferably high-pressure gear pump.
Described high-low pressure cyclic converter has an import and three outlets.Described high-low pressure cyclic converter can realize the high and low pressure cyclic transformation of resin in the first raw material delivery cycle system under the uniform temperature automatically.The primary outlet of described high-low pressure cyclic converter is connected with the import of static mixer, second outlet is connected with flowmeter in the injection device, and the import of the heat exchanger in the 3rd outlet and the first raw material delivery cycle system is connected, and the outlet of described heat exchanger is connected with the raw material accumulator tanks.
The described second raw material delivery cycle system can comprise raw material accumulator tanks, discharge gate, filter, metering conveyor, high-low pressure cyclic converter, heat exchanger.
In the described second raw material delivery cycle system, described raw material accumulator tanks has two discharging openings, a discharging opening is connected with filter, another is a discharge gate, the outlet of described filter is connected with the import of metering conveyor, and the outlet of described metering conveyor is connected with the import of high-low pressure cyclic converter.Described high-low pressure cyclic converter can realize the high and low pressure cyclic transformation of resin in the second raw material delivery cycle system under the uniform temperature automatically.Described high-low pressure cyclic converter has an import and two outlets, these two outlets respectively with injection device in flowmeter and the import of heat exchanger be connected, the outlet of described heat exchanger is connected with the raw material accumulator tanks.
Described metering conveyor can be selected from high-pressure gear pump, plunger displacement pump or screw pump, is preferably high-pressure gear pump.
Described static mixer can be provided with two imports and an outlet, first import is connected with flow control valve, another import is connected with high-low pressure cyclic converter in the first raw material delivery cycle system, and the outlet of described static mixer is connected with the first flow meter.
Described injection device can comprise first flow meter, second flowmeter, hybrid injection rifle, the first ratio rifle head and the second ratio rifle head.
Described first flow meter has two imports, the outlet of the high-low pressure cyclic converter in first import and the first raw material delivery cycle system is connected, second import is connected with the outlet of static mixer, and the outlet of described first flow meter is connected with the import of a corresponding side of hybrid injection rifle;
The import of described second flowmeter is connected with high-low pressure cyclic converter in the second raw material delivery cycle system, and the outlet of described second flowmeter is connected with the import of a corresponding side of hybrid injection rifle;
Described hybrid injection rifle has two imports and three outlets, the outlet vertical with its Way in of described hybrid injection rifle is inserted in the injection molding when injecting, and two outlets parallel with its Way in of described hybrid injection rifle are connected with the first ratio rifle head of a corresponding side and the inlet of the second ratio rifle head respectively;
The described first ratio rifle head has an import and two outlets, and an outlet of the described first ratio rifle head is connected with drainage conduit, and another outlet is connected with heat exchanger in the first raw material delivery cycle system;
The described second ratio rifle head has an import and two outlets, and an outlet of the described second ratio rifle head is connected with drainage conduit, and another outlet is connected with heat exchanger in the second raw material delivery cycle system.
Described PLC control device can comprise that pressure sensor, temperature sensor, flow take into account the control volume of electronic device unit;
Described pressure sensor and temperature sensor are installed on respectively before raw material accumulator tanks in the first raw material delivery cycle system and the raw material accumulator tanks in the second raw material delivery cycle system, the hybrid injection rifle in the injection device and on the connecting line, and described flowmeter is installed on each output pipe;
The control volume of described electronic device unit is used to make each metering conveyor, each high-low pressure cyclic converter, hybrid injection rifle to link according to the parameter that sets.
Description of drawings
Fig. 1 New-type multifunctional polyurethane foaming machine structural representation.
1.CO
2Memory, 2. filter, 3. condenser, 4. flowmeter, 5. high-pressure pump, 6. constant temperature vacuum tank, 7. flow control valve, 8. raw material accumulator tanks A, 9 electric mixers, 10. discharge gate, 11. filter, 12. metering conveyor, 13. high-low pressure cyclic converter, 14. heat exchanger, 15. raw material accumulator tanks B, 16. discharge gate, 17. filter, 18. metering conveyor, 19. high-low pressure cyclic converter, 20. heat exchanger, 21. static mixer, 22. flowmeter, 23. flowmeter, 24. hybrid injection rifle, 25. ratio rifle head A, 26. ratio rifle head B
The specific embodiment
The invention provides a kind of equipment of New-type multifunctional polyurethane foaming, described New-type multifunctional polyurethane foaming machine is by SC-CO
2Generating means, raw material delivery cycle device, mixing arrangement, injection device and PLC control device are seen accompanying drawing 1.
Described SC-CO
2Generating means comprises CO
2Memory 1, filter 2, condenser 3, flowmeter 4, high-pressure pump 5, constant temperature vacuum tank 6, flow control valve 7.Described CO
2Memory 1 is a high pressure CO
2Gas bomb, its outlet is connected with the import of filter 2.The outlet of described filter 2 is connected with the import of condenser 3.Described condenser 3 is tubular heat exchangers, and carbon dioxide flows in pipe, and cooling agent flows outside pipe, with the carbon dioxide in the cooling tube.The outlet of described condenser 3 is connected with the import of flowmeter 4.The outlet of described flowmeter 4 is connected with the import of high-pressure pump 5.Described high-pressure pump 5 can be selected screw pump, high-pressure gear pump or plunger displacement pump for use.Screw pump has resin and measures pulseless advantage, but measuring accuracy is not high; High-pressure gear pump has the advantage of resin metering pulse free, accurate measurement, but costs an arm and a leg; Plunger displacement pump has the high advantage of measuring accuracy, but is used for that pulsation is arranged when resin measures.The outlet of described high-pressure pump 5 is connected with the import of constant temperature vacuum tank 6.Described constant temperature vacuum tank 6 can be jacket type structure, feeds heat medium in the chuck and heats, and heat medium can be selected from superheated water, steam, deep fat etc.Described constant temperature vacuum tank 6 also can be single layer structure, by the outer wall heating of constant temperature vacuum tank.Mode of heating can adopt electrical heating, infrared ray heating or heating using microwave etc.Described constant temperature vacuum tank 6 also can be selected the miscellaneous equipment with high pressure heating function for use.The outlet of described constant temperature vacuum tank 6 is connected with flow control valve 7.The outlet of described flow control valve 7 is connected with static mixer 21.
Described raw material delivery cycle device comprises raw material delivery cycle A of system and the raw material delivery cycle B of system.
The described raw material delivery cycle A of system is made up of raw material accumulator tanks A8, electric mixer 9, discharge gate 10, filter 11, metering conveyor 12, high-low pressure cyclic converter 13, heat exchanger 14.Described raw material accumulator tanks A8 is the common memory with electric mixer 9 and pressure display table.Described raw material accumulator tanks A8 has a charge door and two discharging openings.Two discharging openings of described raw material accumulator tanks A8, one is connected with filter 11, and another is a discharge gate 10.The outlet of described filter 11 is connected with the import of metering conveyor 12.Described metering conveyor 12 can be selected from high-pressure gear pump, plunger displacement pump or screw pump.Because high-pressure gear pump has advantages such as pulse free, accurate measurement, so described metering conveyor 12 is preferably selected high-pressure gear pump for use.The outlet of described metering conveyor 12 is connected with the import of high-low pressure cyclic converter 13.Described high-low pressure cyclic converter 13 has an import and three outlets.The import of the static mixer 21 in outlet of described high-low pressure cyclic converter 13 and the mixing arrangement is connected, outlet is connected with flowmeter 22 in the injection device, and the import of the heat exchanger 14 in outlet and the raw material delivery cycle device is connected.Described heat exchanger 14 is a jacket type structure, can feed heat medium in the chuck and heat.Heat medium can be selected from superheated water, steam, deep fat etc.The outlet of described heat exchanger 14 is connected with raw material accumulator tanks A8.
The described raw material delivery cycle B of system is made up of raw material accumulator tanks B15, discharge gate 16, filter 17, metering conveyor 18, high-low pressure cyclic converter 19, heat exchanger 20.Described raw material accumulator tanks B15 is the common memory that pressure display table is housed, and it is provided with a charge door and two discharging openings.Two discharging openings of described raw material accumulator tanks B15, one is connected with filter 17, and another is a discharge gate 16.The outlet of described filter 17 is connected with the import of metering conveyor 18.Described metering conveyor 18 can be selected from high-pressure gear pump, plunger displacement pump or screw pump.Because high-pressure gear pump has pulse free, advantages such as accurate measurement are so described metering conveyor 18 is preferably selected high-pressure gear pump for use.The outlet of described metering conveyor 18 is connected with the import of high-low pressure cyclic converter 19.Described high-low pressure cyclic converter 19 has an import and two outlets.Two outlets of described high-low pressure cyclic converter 19 respectively with injection device in flowmeter 23 and the import of heat exchanger 20 be connected.Described heat exchanger 20 is a jacket type structure, can feed heat medium in the chuck and heat.Heat medium can be selected from superheated water, steam, deep fat etc.The outlet of described heat exchanger 20 is connected with raw material accumulator tanks B15.
Described mixing arrangement is a static mixer 21.Described static mixer 21 is common static mixer.Described static mixer 21 also can be selected from the utensil that other has the effect of mixed high-voltage fluid.Described static mixer 21 has two imports and an outlet.Two imports of described static mixer 21, one and SC-CO
2Flow control valve 7 in the generating means is connected, and another is connected with high-low pressure cyclic converter 13 among the raw material delivery cycle A of system.The outlet of described static mixer 21 is connected with flowmeter 22.
Described injection device is made up of flowmeter 22, flowmeter 23, hybrid injection rifle 24, ratio rifle head A25 and ratio rifle head B26.Described flowmeter 22 has two imports, and one is connected with the outlet of high-low pressure cyclic converter 13 among the raw material delivery cycle A of system, and one is connected with static mixer 21 in the mixing arrangement.The outlet of described flowmeter 22 is connected with the import of a corresponding side of hybrid injection rifle 24.The import of described flowmeter 23 is connected with high-low pressure cyclic converter 19 among the raw material delivery cycle B of system.The outlet of described flowmeter 23 is connected with the import of a corresponding side of hybrid injection rifle 24.Described hybrid injection rifle 24 has two imports and three outlets.The outlet vertical with its Way in of described hybrid injection rifle 24 is inserted in the injection molding when injecting.Two outlets parallel with its Way in of described hybrid injection rifle 24 are connected with the ratio rifle head A25 of a corresponding side and the inlet of ratio rifle B26 respectively.Described ratio rifle head A25 has an import and two outlets, and the outlet of described ratio rifle head A25 is connected with drainage conduit, and another outlet is connected with heat exchanger 14 among the raw material delivery cycle A of system.Described ratio rifle head B26 has an import and two outlets, and the outlet of described ratio rifle head B26 is connected with drainage conduit, and another outlet is connected with heat exchanger 20 among the raw material delivery cycle B of system.
Described PLC control device comprises that pressure sensor, temperature sensor, flow take into account the control volume of electronic device unit.Described pressure sensor and temperature sensor are installed on SC-CO respectively
2Before raw material accumulator tanks A8 among constant temperature vacuum tank 6 in the generating means, the raw material delivery cycle device A and the raw material accumulator tanks B15 among the raw material delivery cycle device B, the hybrid injection rifle in the injection device 24 and on the connecting line.Described flowmeter is installed on each output pipe.The control volume of described electronic device unit is the control volume of instigating high-pressure pump 5, metering conveyor 12, metering conveyor 18, high-low pressure cyclic converter 13, high-low pressure cyclic converter 19, hybrid injection rifle 24 to link according to the parameter that sets.
The course of work
1 high pressure polyurethane foam moulding
When New-type multifunctional polyurethane foaming machine is used for common high pressure polyurethane foam moulding, its course of work is: at first configure pressure on the PLC control device, temperature, parameters such as flow, then polyalcohol among the raw material accumulator tanks A8 among the raw material delivery cycle A of system and the isocyanates among the raw material accumulator tanks B15 among the raw material delivery cycle B of system carry out the constant temperature processing respectively: the metering conveyor 12 among the raw material delivery cycle A of system makes polyalcohol be flowed out by the outlet of raw material accumulator tanks A8, through filter 11, metering conveyor 12, high-low pressure cyclic converter 13, by heat exchanger 14 heating, flow back at last among the raw material accumulator tanks A8.Synchronous therewith, metering conveyor 18 among the raw material delivery cycle B of system makes isocyanates be flowed out by the outlet of raw material accumulator tanks B15, through filter 17, metering conveyor 18, high-low pressure cyclic converter 19,, flow back at last among the raw material accumulator tanks B15 by heat exchanger 20 heating.After reaching the temperature that sets when polyalcohol, isocyanates, low pressure recycle in the raw material delivery cycle device stops, the mouth that high-low pressure cyclic converter 13 among the raw material delivery cycle A of system links to each other with heat exchanger 14 sealing automatically, what be connected with flowmeter 22 in the injection device mouthful opens automatically, and the polyalcohol of uniform temperature enters into hybrid injection rifle 24 through flowmeter 22 under certain pressure.Meanwhile, the mouth that high-low pressure cyclic converter 19 among the raw material delivery cycle B of system links to each other with heat exchanger 20 sealing automatically, what link to each other with flow device 23 in the injection device mouthful opens automatically, and the isocyanates under the uniform temperature enters into hybrid injection rifle 24 under certain pressure.The polyalcohol and the isocyanates that enter into hybrid injection rifle 24 fully mix, and are injected in the mould through filling gun 24, obtain the polyurethane foam goods of mould institute figuration sample.
2 with CO
2And SC-CO
2Polyurethane foam or microporous foam formation for blowing agent
When New-type multifunctional polyurethane foaming machine is used for CO
2And SC-CO
2During for the polyurethane foam moulding of blowing agent, its course of work is: at first configure pressure on the PLC control device, temperature, parameters such as flow, then raw material A among the raw material accumulator tanks A8 among the raw material delivery cycle A of system and the raw material B among the raw material accumulator tanks B15 among the raw material delivery cycle B of system carry out the constant temperature processing: the metering conveyor 12 among the raw material delivery cycle A of system makes raw material A be flowed out by the outlet of raw material accumulator tanks A8, through filter 11, metering conveyor 12, high-low pressure cyclic converter 13, by heat exchanger 14 heating, flow back at last among the raw material accumulator tanks A8; Metering conveyor 18 among the synchronous therewith raw material delivery cycle B of system makes raw material B be flowed out by the outlet of raw material accumulator tanks B15, through filter 17, metering conveyor 18, high-low pressure cyclic converter 19, by heat exchanger 20 heating, flow back at last among the raw material accumulator tanks B15.After reaching the temperature that sets as raw material A, B, low pressure recycle in the raw material delivery cycle device stops, the mouth that high-low pressure cyclic converter 13 among the raw material delivery cycle A of system links to each other with heat exchanger 14 sealing automatically, what link to each other with static mixer 21 in the mixing arrangement mouthful opens automatically, and the raw material A of uniform temperature enters into static mixer 21 under the pressure that sets.Coordinate CO therewith mutually
2Under pressure by CO
2Memory 1 flow in the static mixer 21 with flow, the pressure and temperature of setting through filter 2, condenser 3, flowmeter 4, high-pressure pump 5, constant temperature vacuum tank 6 and flow control valve 7.Enter into the raw material A and the SC-CO of static mixer 21
2Fully mix.Raw material A-the SC-CO that from static mixer 21, comes out
2Fluid-mixing enters into hybrid injection rifle 24 through flowmeter 22.Synchronous with said process, the mouth that high-low pressure cyclic converter 19 among the raw material delivery cycle B of system links to each other with heat exchanger 20 sealing automatically, what link to each other with flow device 23 in the injection device mouthful opens automatically, and the raw material B of uniform temperature enters into hybrid injection rifle 24 under the pressure that sets.Enter raw material A-SC-CO in the hybrid injection rifle 24 with suitable proportioning
2Fluid-mixing and raw material B carry out strong collision, raw material A-SC-CO
2Fluid-mixing and raw material B fully mix, and after hybrid injection rifle 24 is injected in the mould, obtain the polyurethane foam or the microporous foam goods of mould institute figuration sample.
Claims (15)
1. multifunctional polyurethane foaming machine, this foaming machine comprises:
SC-CO
2Generation systems;
At least one raw material delivery cycle system;
Injection device links to each other with described mixing arrangement and described at least one raw material delivery cycle system; And
The PLC control device is used for the parameters such as pressure, temperature and flow of auxiliary agent and raw material are controlled.
2. multifunctional polyurethane foaming machine as claimed in claim 1 is characterized in that: comprise two raw material delivery cycle systems: raw material delivery cycle system (A) and raw material delivery cycle system (B).
3. multifunctional polyurethane foaming machine as claimed in claim 1 is characterized in that: described SC-CO
2Generation systems comprises the CO that is connected successively
2Memory (1), filter (2), condenser (3), flowmeter (4), high-pressure pump (5), constant temperature vacuum tank (6) and flow control valve (7), the outlet of flow control valve (7) links to each other with static mixer (21).
4. multifunctional polyurethane foaming machine as claimed in claim 3 is characterized in that: described high-pressure pump (5) is screw pump, high-pressure gear pump or plunger displacement pump.
5. multifunctional polyurethane foaming machine as claimed in claim 2 is characterized in that: described raw material delivery cycle system (A) comprises raw material accumulator tanks (A8), is arranged on electric mixer (9), discharge gate (10), filter (11), metering conveyor (12), high-low pressure cyclic converter (13), heat exchanger (14) on the raw material accumulator tanks (A8).
6. multifunctional polyurethane foaming machine as claimed in claim 5, it is characterized in that: described raw material accumulator tanks (A8) is provided with a charge door and two discharging openings, in two discharging openings one is connected with filter (11), another is discharge gate (10), the outlet of described filter (11) is connected with the import of metering conveyor (12), and the outlet of described metering conveyor (12) is connected with the import of high-low pressure cyclic converter (13).
7. multifunctional polyurethane foaming machine as claimed in claim 6 is characterized in that: described metering conveyor (12) is selected from high-pressure gear pump, plunger displacement pump or screw pump, and the present invention is preferably high-pressure gear pump.
8. multifunctional polyurethane foaming machine as claimed in claim 5 is characterized in that:
Described high-low pressure cyclic converter (13) has an import and three outlets, the primary outlet of described high-low pressure cyclic converter (13) is connected with the import of static mixer (21), second outlet is connected with flowmeter (22) in the injection device, and the import of the heat exchanger (14) in the 3rd outlet and the raw material delivery cycle system (A) is connected, and the outlet of described heat exchanger (14) is connected with raw material accumulator tanks (A8).
9. multifunctional polyurethane foaming machine as claimed in claim 2 is characterized in that: described raw material delivery cycle system (B) comprises raw material accumulator tanks (B15), discharge gate (16), filter (17), metering conveyor (18), high-low pressure cyclic converter (19), heat exchanger (20).
10. multifunctional polyurethane foaming machine as claimed in claim 9, it is characterized in that: described raw material accumulator tanks (B15) has two discharging openings, a discharging opening is connected with filter (17), another is discharge gate (16), the outlet of described filter (17) is connected with the import of metering conveyor (18), the outlet of described metering conveyor (18) is connected with the import of high-low pressure cyclic converter (19), described high-low pressure cyclic converter (19) has an import and two outlets, these two outlets respectively with injection device in flowmeter (23) and the import of heat exchanger (20) be connected, the outlet of described heat exchanger (20) is connected with raw material accumulator tanks (B15).
11. as claim 9 or 10 described multifunctional polyurethane foaming machines, it is characterized in that: described metering conveyor (18) is selected from high-pressure gear pump, plunger displacement pump or screw pump, and the present invention is preferably high-pressure gear pump.
12. multifunctional polyurethane foaming machine as claimed in claim 3, it is characterized in that: described static mixer (21) has two imports and an outlet, first import is connected with flow control valve (7), another import is connected with high-low pressure cyclic converter (13) in the raw material delivery cycle system (A), and the outlet of described static mixer (21) is connected with flowmeter (22).
13. multifunctional polyurethane foaming machine as claimed in claim 3 is characterized in that: described injection device comprises flowmeter (22), flowmeter (23), hybrid injection rifle (24), ratio rifle head (A25) and ratio rifle head (B26).
14. multifunctional polyurethane foaming machine as claimed in claim 13 is characterized in that:
Described flowmeter (22) has two imports, the outlet of the high-low pressure cyclic converter (13) in first import and the raw material delivery cycle system (A) is connected, second import is connected with the outlet of static mixer (21), and the outlet of described flowmeter (22) is connected with the import of a corresponding side of hybrid injection rifle (24);
The import of described flowmeter (23) is connected with high-low pressure cyclic converter (19) in the raw material delivery cycle system (B), and the outlet of described flowmeter (23) is connected with the import of a corresponding side of hybrid injection rifle (24);
Described hybrid injection rifle (24) has two imports and three outlets, the outlet vertical with its Way in of described hybrid injection rifle (24) is inserted in the injection molding when injecting, and two outlets parallel with its Way in of described hybrid injection rifle (24) are connected with the ratio rifle head (A25) of a corresponding side and the inlet of ratio rifle head (B26) respectively;
Described ratio rifle head (A25) has an import and two outlets, and an outlet of described ratio rifle head (A25) is connected with drainage conduit, and another outlet is connected with heat exchanger (14) in the raw material delivery cycle system (A);
Described ratio rifle head (B26) has an import and two outlets, and an outlet of described ratio rifle head (B26) is connected with drainage conduit, and another outlet is connected with heat exchanger (20) in the raw material delivery cycle system (B).
15. multifunctional polyurethane foaming machine as claimed in claim 3 is characterized in that:
Described PLC control device comprises that pressure sensor, temperature sensor, flow take into account the control volume of electronic device unit;
Described pressure sensor and temperature sensor are installed on raw material accumulator tanks (A8) in the raw material delivery cycle system (A) and the raw material accumulator tanks (B15) in the raw material delivery cycle system (B), the hybrid injection rifle (24) in the injection device respectively before and on the connecting line, and described flowmeter is installed on each output pipe;
The control volume of described electronic device unit is used to make high-pressure pump (5), metering conveyor (12), metering conveyor (18), high-low pressure cyclic converter (13), high-low pressure cyclic converter (19), hybrid injection rifle (24) to link according to the parameter that sets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101089747A CN100453293C (en) | 2006-07-31 | 2006-07-31 | New-type multifunctional polyurethane foaming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101089747A CN100453293C (en) | 2006-07-31 | 2006-07-31 | New-type multifunctional polyurethane foaming machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1887568A true CN1887568A (en) | 2007-01-03 |
| CN100453293C CN100453293C (en) | 2009-01-21 |
Family
ID=37576851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101089747A Expired - Fee Related CN100453293C (en) | 2006-07-31 | 2006-07-31 | New-type multifunctional polyurethane foaming machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100453293C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103189174A (en) * | 2010-11-03 | 2013-07-03 | 拜耳知识产权有限责任公司 | Method for producing foamed moldings |
| CN105345983A (en) * | 2015-11-26 | 2016-02-24 | 张家港力勤机械有限公司 | Supporting and hoisting mechanism provided with sensor and used for mixing head in foaming machine |
| CN106217740A (en) * | 2016-07-22 | 2016-12-14 | 朱昭林 | A kind of polyurethane foaming machine material feeding rifle |
| CN109203342A (en) * | 2017-06-30 | 2019-01-15 | 艾弗若斯股份公司 | For the diffusion gas such as CO at least one reaction resin2Improve equipment |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2296806Y (en) * | 1997-05-04 | 1998-11-11 | 温州市海峰聚氨酯成套设备有限公司 | Polyurethane foaming machine |
| CN2306879Y (en) * | 1997-05-09 | 1999-02-10 | 华成璞 | Microcomputer controlled polyurethane field foaming system |
| US5919492A (en) * | 1997-06-13 | 1999-07-06 | Tarr; John | Injection molding system with sequential gate control |
| CN2659661Y (en) * | 2003-12-19 | 2004-12-01 | 华南理工大学 | Preparation and delivery appts. of supercritical CO2 fluid for shaping processing microporous plastic |
| DE102004028803A1 (en) * | 2004-06-15 | 2006-01-12 | Stankiewicz Gmbh | Process and apparatus for producing foam-backed air-permeable textile products |
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2006
- 2006-07-31 CN CNB2006101089747A patent/CN100453293C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103189174A (en) * | 2010-11-03 | 2013-07-03 | 拜耳知识产权有限责任公司 | Method for producing foamed moldings |
| CN103189174B (en) * | 2010-11-03 | 2016-05-04 | 拜耳知识产权有限责任公司 | Prepare the method for frothing mold thing |
| CN105345983A (en) * | 2015-11-26 | 2016-02-24 | 张家港力勤机械有限公司 | Supporting and hoisting mechanism provided with sensor and used for mixing head in foaming machine |
| CN106217740A (en) * | 2016-07-22 | 2016-12-14 | 朱昭林 | A kind of polyurethane foaming machine material feeding rifle |
| CN109203342A (en) * | 2017-06-30 | 2019-01-15 | 艾弗若斯股份公司 | For the diffusion gas such as CO at least one reaction resin2Improve equipment |
| CN109203342B (en) * | 2017-06-30 | 2023-01-17 | 艾弗若斯股份公司 | For diffusing a gas such as CO in at least one reactive resin 2 In the field of the invention |
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| Publication number | Publication date |
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| CN100453293C (en) | 2009-01-21 |
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Effective date of registration: 20061222 Address after: 3, Xueyuan Road, Taiyuan, Shanxi Province Applicant after: Zhongbei Univ Address before: Taiyuan, Xueyuan Road Province, No. 1, North Central University, Chemical Engineering Institute Applicant before: Liu Yaqing |
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Assignee: Dongfeng Visteon (Shiyan) Automotive Trim Systems Co., Ltd. Assignor: Zhongbei Univ Contract record no.: 2010420000135 Denomination of invention: New-type multifunctional polyurethane foaming machine Granted publication date: 20090121 License type: Exclusive License Open date: 20070103 Record date: 20100830 |
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