CN212021406U - Polyurethane elastomer casting machine - Google Patents
Polyurethane elastomer casting machine Download PDFInfo
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- CN212021406U CN212021406U CN202020610331.8U CN202020610331U CN212021406U CN 212021406 U CN212021406 U CN 212021406U CN 202020610331 U CN202020610331 U CN 202020610331U CN 212021406 U CN212021406 U CN 212021406U
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- 238000005266 casting Methods 0.000 title claims abstract description 39
- 229920003225 polyurethane elastomer Polymers 0.000 title claims abstract description 27
- 238000010438 heat treatment Methods 0.000 claims abstract description 88
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 42
- 238000005192 partition Methods 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 22
- 238000003756 stirring Methods 0.000 claims description 21
- 239000012459 cleaning agent Substances 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 description 25
- 235000019589 hardness Nutrition 0.000 description 14
- 229920002635 polyurethane Polymers 0.000 description 13
- 239000004814 polyurethane Substances 0.000 description 13
- 239000000463 material Substances 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005119 centrifugation Methods 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 241001477893 Mimosa strigillosa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a pouring equipment technical field especially relates to a polyurethane elastomer casting machine. The novel heating box comprises a box body and a pulley arranged at the bottom of the box body, wherein a machine head is arranged on one side of the top of the box body, a partition plate is arranged in the box body, the box body is divided into a left heating cavity and a right heating cavity by the partition plate, a heating device is arranged in the left heating cavity and the right heating cavity, at least two curing agent tanks are arranged in the right heating cavity, and at least one prepolymer tank is arranged in the left heating cavity. The device has stronger applicability, can solve the problem of the polyurethane elastomer products with different hardness of a plurality of layers by only using a single device, does not need to match a plurality of casting machines, greatly reduces the investment of enterprise funds, saves time and labor during operation, improves the working efficiency, improves the utilization rate of space resources, and solves the problems existing in the prior art.
Description
Technical Field
The utility model relates to a pouring equipment technical field especially relates to a polyurethane elastomer casting machine.
Background
A polyurethane elastomer casting machine is mainly used for producing polyurethane products, such as polyurethane powder puff, shoe pads, shoe soles, rubber rollers, rubber wheels and the like, and the working principle of the casting machine is that a prepolymer and a curing agent are heated and mixed, and then the mixture is cast in a mold. The polyurethane product can be poured by only one pouring machine, but if a plurality of layers of polyurethane elastomer products with different hardness need to be poured, a plurality of pouring machines need to be configured to realize the pouring, otherwise, although the polyurethane elastomer products can be prepared by one device, the prepolymer and the curing agent need to be frequently replaced, the working efficiency is extremely low, the machine head needs to be cleaned in time, otherwise, the content of the machine head is easy to be mixed with residual waste materials, and the quality of finished products is influenced. If dispose many casting machines, though can improve work efficiency, but increased the input of fund, extra occupation space moreover causes the waste of space resource, is unfavorable for using widely in the workshop.
SUMMERY OF THE UTILITY MODEL
The utility model provides a polyurethane elastomer casting machine, its suitability is stronger, only needs single equipment, can solve the polyurethane elastomer product of the different hardness of compound multilayer, need not to match many casting machines, and the input of the enterprise fund that significantly reduces, the labour saving and time saving that operates has got up has improved work efficiency to improve space resources's utilization ratio, solved the problem that exists among the prior art.
The utility model discloses a solve the technical scheme that one of above-mentioned technical problem adopted and be:
a polyurethane elastomer casting machine comprises a box body, wherein a machine head is arranged on one side of the top of the box body, a partition plate is arranged in the box body and divides the box body into a left heating cavity and a right heating cavity, heating devices are arranged in the left heating cavity and the right heating cavity, at least two curing agent tanks are arranged in the right heating cavity, and at least one prepolymer tank is arranged in the left heating cavity;
the curing agent tanks are arranged in parallel, penetrate out of the box body through first discharging pipes respectively and are connected with the machine head, and first flow pumps are arranged on the first discharging pipes respectively;
the prepolymer tank outwards penetrates through the tank body through a second discharge pipe to be connected with the machine head, and a second flow pump is arranged on the second discharge pipe;
the box corresponds left heating chamber and right heating chamber and is equipped with sealing door respectively, heating device, first flow pump and second flow pump link to each other with the control box through the wire respectively.
Preferably, a filter valve is arranged on each first discharge pipe between the curing agent tank and the first flow pump.
Preferably, a filter is arranged on each second discharge pipe between the prepolymer tank and the second flow pump.
Preferably, a first heating belt is wound on each first discharge pipe outside the box body; a second heating belt is wound on each second discharge pipe outside the box body; and each first heating belt and each second heating belt are respectively connected with the control box through leads.
Preferably, the top of the box body corresponding to each prepolymer tank is provided with a vacuum pumping pump, and the vacuum pumping pumps are communicated with the top of the prepolymer tanks through pipelines; and each vacuum pump is connected with the control box through a lead respectively.
Preferably, a stirring device is arranged at the top of each prepolymer tank; the stirring device comprises a stirring motor arranged at the top of the prepolymer tank, and an output shaft of the stirring motor extends into the prepolymer tank and is connected with a stirring wheel; and each stirring motor is connected with the control box through a lead respectively.
Preferably, temperature sensors are arranged in the left heating cavity and the right heating cavity of the box body, and the two temperature sensors are connected with the control box through leads respectively.
Preferably, heating device includes the heater strip, is equipped with the convection current fan in the left heating chamber of box, and the pivot of convection current fan is worn out the box and is linked to each other with the motor that sets up on the box lateral wall, the motor passes through the wire and links to each other with the control box.
Preferably, still include one and prevent stifled device, prevent stifled device including the cleaner jar that is equipped with feed liquor pipe and drain pipe, the cleaner jar sets up on the support frame of box, is equipped with first ooff valve on the feed liquor pipe, and the drain pipe of cleaner jar links to each other with the three-way valve, and two other exports of three-way valve are continuous with aircraft nose on air compressor machine, the box respectively through the pipeline, are equipped with the second ooff valve on the pipeline between three-way valve and aircraft nose.
Preferably, a pressure gauge is arranged at the top of the cleaning agent tank.
The beneficial effects of the utility model are embodied in:
the above structure is adopted in the utility model, it is stronger to have the suitability, only needs single equipment, can solve the polyurethane elastomer product of the different hardness of compound multilayer, need not to match many casting machines, and the input of the enterprise fund that significantly reduces operates labour saving and time saving, has improved work efficiency to improve space resources's utilization ratio. And the split heating is adopted, so that the prepolymer and the curing agent are heated independently, the heating speed of the equipment is increased, and the pouring rate is increased. Adopt and prevent stifled mechanism, can rinse the aircraft nose thoroughly, avoid remaining the waste material in the aircraft nose, guarantee that the interior misce bene of aircraft nose can be used by direct, avoid unnecessary extravagant, reduced production and risen originally.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or components are generally identified by like reference numerals. In the drawings, elements or components are not necessarily drawn to scale.
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the sealing door with the right side removed.
Fig. 3 is a schematic perspective view of the left side sealing door.
FIG. 4 is a schematic view showing the structure in which each curing agent tank and each prepolymer tube are connected to a head.
Fig. 5 is a schematic structural view of the anti-blocking device.
In the figure, 1, a box body; 2. a pulley; 3. a machine head; 4. a partition plate; 5. a left heating cavity; 6. a right heating cavity; 7. a heating device; 8. a curing agent tank; 9. a prepolymer tank; 10. a first discharge pipe; 11. a first flow pump; 12. a support frame; 13. a first feed tube; 14. a first sealing cover; 15. a second discharge pipe; 16. a second flow pump; 17. a second feed tube; 18. a second sealing cover; 19. a sealing door; 20. a control box; 21. a filter valve; 22. a filter; 23. a first heating belt; 24. a second heating belt; 25. a vacuum pump is pumped; 26. a stirring motor; 27. a stirring wheel; 28. a temperature sensor; 29. a convection fan; 30. a motor; 31. a liquid inlet pipe; 32. a liquid outlet pipe; 33. a cleaning agent tank; 34. a first on-off valve; 35. a three-way valve; 36. an air compressor; 37. a second on-off valve; 38. and a pressure gauge.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic diagrams for more clearly illustrating the technical solution of the present invention, and only illustrate the basic structure of the present invention in a schematic way, but not limit the protection scope of the present invention.
As shown in fig. 1-5, a polyurethane elastomer casting machine comprises a box body 1, a machine head 3 is arranged on one side of the top of the box body 1, a partition plate 4 is arranged in the box body 1, the box body 1 is divided into a left heating cavity 5 and a right heating cavity 6 by the partition plate 4, heating devices 7 are arranged in the left heating cavity 5 and the right heating cavity 6, at least two curing agent tanks 8 are arranged in the right heating cavity 6, and at least one prepolymer tank 9 is arranged in the left heating cavity 5;
the curing agent tanks 8 are arranged in parallel, and respectively penetrate out of the box body 1 through first discharging pipes 10 to be connected with the machine head 3, and first flow pumps 11 are respectively arranged on the first discharging pipes 10;
the first flow pump 11 is arranged on a support frame 12 outside the box body 1, a first feeding pipe 13 of each curing agent tank 8 upwards penetrates through the box body 1 to be connected with a first sealing cover 14, and the first sealing cover 14 is used for opening or closing a pipe orifice of the first feeding pipe 13;
the prepolymer tank 9 penetrates out of the tank body 1 through a second discharge pipe 15 and is connected with the machine head 3, and a second flow pump 16 is arranged on the second discharge pipe 15;
the second flow pump 16 is arranged on the support frame 12 outside the box body 1, the second feeding pipes 17 of the prepolymer tanks 9 extend upwards out of the box body 1 and are connected with a second sealing cover 18, and the second sealing cover 18 is used for opening or closing the pipe orifices of the second feeding pipes 17;
the box body is provided with a sealing door 19 corresponding to the left heating cavity 5 and the right heating cavity 6 respectively; the heating device 7, the first flow pump 11 and the second flow pump 16 are respectively connected with a control box 20 through leads.
The four corners at the bottom of the box body 1 are respectively provided with the pulleys 2, so that the equipment can be conveniently carried.
Preferably, a filter valve 21 is provided in each of the first discharge pipes 10 between the curing agent tank 8 and the first flow pump 11. The curing agent in the curing agent tank 8 is filtered, the first flow pump 11 and the machine head 3 are prevented from being blocked, and the service life of the equipment is prolonged.
Preferably, a filter 22 is provided on the second discharge line 15 between the prepolymer tank 9 and the second flow pump 16. The prepolymer in the prepolymer tank 9 is filtered, the second flow pump 16 and the machine head 3 are prevented from being blocked, and the service life of the equipment is prolonged.
Preferably, a first heating belt 23 is wound on each first discharge pipe 10 outside the box body 1; a second heating belt 24 is wound on each second discharge pipe 15 on the outer side of the box body 1; the first heating belt 23 and the second heating belt 24 are respectively connected with the control box 20 through wires. The curing agent can smoothly flow in the first discharge pipe 15 until reaching the machine head, so that the curing agent is prevented from condensing due to too low temperature in the first discharge pipe 10, and the first discharge pipe 10 is prevented from being blocked; the liquefied prepolymer can smoothly flow in the second discharge pipe 15 until the head, so that the situation that the liquid prepolymer is re-condensed due to too low temperature in the second discharge pipe 15 is avoided, and the second discharge pipe 15 is prevented from being blocked.
Preferably, the top of the box body 1 corresponding to each prepolymer tank 9 is provided with a vacuum pump 25, and the vacuum pumps 25 are communicated with the top of the prepolymer tanks 9 through pipelines; the vacuum pumps 25 are respectively connected with the control box 20 through leads. The air in the prepolymer tank 9 can be pumped out, so that the air and the prepolymer are prevented from being mixed, the purity of the prepolymer in a liquid state is improved, and impurities are prevented from being doped.
Preferably, a stirring device is arranged at the top of each prepolymer tank 9; the stirring device comprises a stirring motor 26 arranged at the top of the prepolymer tank 9, and an output shaft of the stirring motor 26 extends into the prepolymer tank 9 and is connected with a stirring wheel 27; the stirring motors 26 are respectively connected with the control box 20 through leads. The prepolymer is heated in the prepolymer tube 9 and is melted into a liquid state, and the solid-liquid conversion speed can be increased through the stirring device, so that the prepolymer is heated more uniformly, and a small part of solid prepolymer is prevented from being stored in the liquid prepolymer.
Preferably, temperature sensors 28 are arranged in the left heating cavity 5 and the right heating cavity 6 of the box body 1, and the two temperature sensors 28 are respectively connected with the control box 20 through leads. Can help operating personnel in time to detect the temperature in left heating chamber 5 and the right heating chamber 6, make the temperature control in the left heating chamber at 130 degrees, make the temperature control in the right heating chamber at 100 degrees, whether operating personnel is up to standard through observing the temperature, if reach the temperature requirement, then operate on next step, make the operation more convenient, improve work efficiency. Because the solid-liquid conversion temperature of the prepolymer is higher, and meanwhile, the occupied area of the curing agent tank 8 in the right heating cavity 6 is smaller, a barrel filled with the prepolymer can be placed into the right heating cavity 6 in advance for preheating, the solid-liquid conversion efficiency is improved, and the working efficiency is improved.
Preferably, the heating device 7 comprises a heating wire, a convection fan 29 is arranged in the left heating cavity 5 of the box body 1, a rotating shaft of the convection fan 29 penetrates out of the box body 1 to be connected with a motor 30 arranged on the outer side wall of the box body 1, and the motor 30 is connected with the control box 20 through a conducting wire. Control box 20 is through the heater strip that starts heating device 7 to make left heating intracavity temperature promote rapidly, however, because the heat is mostly heated prepolymer tank 9 from a direction, can't make prepolymer tank 9 be heated evenly, through convection fan 29, can make the even dispersion of heat in left heating chamber 5 through the air current, thereby make prepolymer tank 9 be heated more evenly, improve work efficiency.
Preferably, still include one and prevent stifled device, prevent stifled device including the cleaner jar 33 that is equipped with feed liquor pipe 31 and drain pipe 32, cleaner jar 33 sets up on support frame 12 of box 1, is equipped with first ooff valve 34 on feed liquor pipe 31, and the drain pipe 32 of cleaner jar 33 links to each other with three-way valve 35, and two other exports of three-way valve 35 are continuous with aircraft nose 3 on air compressor machine 36, the box 1 through the pipeline respectively, are equipped with second ooff valve 37 on the pipeline between three-way valve 35 and aircraft nose 3. If the pouring work is finished, the interior of the machine head 3 needs to be cleaned in time, otherwise, when the pouring machine is used next time, the machine head 3 is easily blocked by the residual waste materials, and the use of the pouring machine is influenced; general operating personnel injects the cleaner into to the aircraft nose 3 and clears up aircraft nose 3, often also can remain the cleaner in the aircraft nose 3, if waste material and cleaner mix with the castables that newly got into aircraft nose 3, can seriously influence the quality of product, improved the rejection rate of product greatly.
Preferably, a pressure gauge 38 is provided at the top of the cleaning agent tank 33. The operating personnel accessible observes the reading of pressure gauge 38, judges whether pressurize in the cleaner jar 33 and is full, prevents that cleaner jar 33 from because of too big rupture of pressure, improves the life of cleaner jar 3 and the factor of safety of operation.
Example 1:
when polyurethane elastomer products of the same material and different hardness need to be poured:
before the device is used, the air compressor 36 needs to be connected with the three-way valve 35 through a pipeline. Then, the first sealing cover 14 is opened, curing agent is added from the pipe orifice of the first feeding pipe 13, the curing agent moves into the curing agent tank 8 along the first feeding pipe 13, and after the curing agent is added, the first sealing cover 14 is sealed and closed at the pipe orifice of the first feeding pipe 13 again; and opening the second sealing cover 18, adding the prepolymer from the pipe orifice of the second feeding pipe 17, moving the prepolymer into the prepolymer tank 9 along the second feeding pipe 17, and after the prepolymer is added, sealing and closing the second sealing cover 18 at the pipe orifice of the second pipe 13 again.
When the device is used, an operator starts the heating device to work through the control box 20, so that the temperatures of the left heating cavity 5 and the right heating cavity 6 are rapidly increased until the temperatures of the two cavities meet requirements, then the first flow pump 11 and the second flow pump 16 are started to work, the flow rates of the first flow pump 11 and the second flow pump 16 are adjusted, the first flow pump 11 is started, the curing agent is pumped out of the curing agent tank 8, and the curing agent is discharged into the machine head 3 of the casting machine through the first discharge pipe 10; and (3) starting a second flow pump 16, pumping the liquid prepolymer out of the prepolymer tank 9, discharging the liquid prepolymer into a machine head 3 of a casting machine through a second discharge pipe 15, fully mixing the curing agent in the machine head 3 with the liquid prepolymer, casting the liquid prepolymer out of the machine head 3, and centrifuging through a centrifuge in the next process to finish a polyurethane product with hardness.
Then, the cleaning work of the head 3 is carried out, and the specific steps are as follows: firstly, opening a first switch valve 4, injecting a cleaning agent into a cleaning agent tank 33 from a liquid inlet pipe 31, and closing a first switch valve 34 after the cleaning agent is injected; when the head 9 of the casting machine 8 needs to be cleaned, the air compressor 36 is started to work, then the second switch valve 37 is closed, the air compressor 36 is started to work through the control box, the air compressor 35 injects air into the three-way valve 35 through a pipeline, and the air is injected into the cleaning agent tank 33 along the liquid outlet pipe 32, so that the cleaning agent tank 33 is pressurized. Through the reading of observing pressure gauge 38, after the pressure value reaches the requirement, can open second ooff valve 37, at this moment, 36 exhaust air of air compressor machine along the 3 directions of aircraft nose of pipeline row to the casting machine, meanwhile, cleaner jar 33 decompression in the twinkling of an eye, cleaner in the cleaner jar 33 is along drain pipe 32, discharge to 3 directions of aircraft nose through three-way valve 35, thereby reach the purpose of cleaning aircraft nose 3, effectively solve and block up casting machine aircraft nose 3, the labour saving and time saving of getting up in operation. When the pressure in the washing jar 33 reduces, the cleaner just can not follow drain pipe 32 outward outflow again, and at this moment, air compressor machine 36 continues to work, and in continuing to discharge the aircraft nose 3 of casting machine with the air, the air will remain the washing liquid in aircraft nose 3 fast and blow off, prevents to remain washing liquid and new mixture contact, washs thoroughly, guarantees that the mixture can be by direct use in the aircraft nose 3, avoids unnecessary extravagant, has reduced production and has risen originally, has improved work efficiency greatly.
After the cleaning procedure is finished, another curing agent with another hardness is added into another curing agent tank 8, the steps are repeated, and finally, a polyurethane product with another hardness can be poured on the original polyurethane product through a subsequent centrifugation procedure, so that the time and the labor are saved. If a customer needs more layers of polyurethane products with different hardness, the steps can be continuously repeated, and the polyurethane products with the needed layers can be obtained. Only need single equipment, can solve the polyurethane elastomer product of compound multilayer different hardness, need not to match many casting machines, the input of the enterprise fund that significantly reduces, the labour saving and time saving of getting up in the operation has improved work efficiency to improve space resources's utilization ratio. The cavity-separated heating is adopted, so that the prepolymer and the curing agent are heated independently, and the heating speed of the equipment is increased, thereby increasing the pouring speed and facilitating the popularization and use in production workshops.
Example 2:
when polyurethane elastomer products of different materials and different hardness need to be poured:
before the device is used, the air compressor 36 needs to be connected with the three-way valve 35 through a pipeline. Then, the first sealing cover 14 is opened, curing agent is added from the pipe orifice of the first feeding pipe 13, the curing agent moves into the curing agent tank 8 along the first feeding pipe 13, and after the curing agent is added, the first sealing cover 14 is sealed and closed at the pipe orifice of the first feeding pipe 13 again; and opening the second sealing cover 18, adding the prepolymer from the pipe orifice of the second feeding pipe 17, moving the prepolymer into the prepolymer tank 9 along the second feeding pipe 17, and after the prepolymer is added, sealing and closing the second sealing cover 18 at the pipe orifice of the second pipe 13 again.
When the device is used, an operator starts the heating device to work through the control box 20, so that the temperatures of the left heating cavity 5 and the right heating cavity 6 are rapidly increased until the temperatures of the two cavities meet requirements, then the first flow pump 11 and the second flow pump 16 are started to work, the flow rates of the first flow pump 11 and the second flow pump 16 are adjusted, the first flow pump 11 is started, the curing agent is pumped out of the curing agent tank 8, and the curing agent is discharged into the machine head 3 of the casting machine through the first discharge pipe 10; and (3) starting a second flow pump 16, pumping out the liquid prepolymer from the prepolymer tank 9, discharging the liquid prepolymer into a machine head 3 of a casting machine through a second discharge pipe 15, fully mixing the curing agent in the machine head 3 with the liquid prepolymer, casting the liquid prepolymer out of the machine head 3, and centrifuging through a centrifuge in the next process to finish a polyurethane product with one material and one hardness.
Then, the cleaning work of the head 3 is carried out, and the specific steps are as follows: firstly, opening a first switch valve 4, injecting a cleaning agent into a cleaning agent tank 33 from a liquid inlet pipe 31, and closing a first switch valve 34 after the cleaning agent is injected; when the head 9 of the casting machine 8 needs to be cleaned, the air compressor 36 is started to work, then the second switch valve 37 is closed, the air compressor 36 is started to work through the control box, the air compressor 35 injects air into the three-way valve 35 through a pipeline, and the air is injected into the cleaning agent tank 33 along the liquid outlet pipe 32, so that the cleaning agent tank 33 is pressurized. Through the reading of observing pressure gauge 38, after the pressure value reaches the requirement, can open second ooff valve 37, at this moment, 36 exhaust air of air compressor machine along the 3 directions of aircraft nose of pipeline row to the casting machine, meanwhile, cleaner jar 33 decompression in the twinkling of an eye, cleaner in the cleaner jar 33 is along drain pipe 32, discharge to 3 directions of aircraft nose through three-way valve 35, thereby reach the purpose of cleaning aircraft nose 3, effectively solve and block up casting machine aircraft nose 3, the labour saving and time saving of getting up in operation. When the pressure in the washing jar 33 reduces, the cleaner just can not follow drain pipe 32 outward outflow again, and at this moment, air compressor machine 36 continues to work, and in continuing to discharge the aircraft nose 3 of casting machine with the air, the air will remain the washing liquid in aircraft nose 3 fast and blow off, prevents to remain washing liquid and new mixture contact, washs thoroughly, guarantees that the mixture can be by direct use in the aircraft nose 3, avoids unnecessary extravagant, has reduced production and has risen originally, has improved work efficiency greatly.
After the cleaning process is finished, prepolymer agent of another material is added into another prepolymer tank 9, the prepolymer tanks 9 are arranged in parallel, and penetrate out of the box body 1 through a second discharge pipe 15 to be connected with the machine head 3, the steps are repeated, and finally, a polyurethane product of another material and another hardness can be poured on the original polyurethane product through a subsequent centrifugation process, so that time and labor are saved. If a customer needs more polyurethane products with different materials and different hardnesses, the steps can be continuously repeated, and the polyurethane products with different materials can be obtained. Only need single equipment, can solve the polyurethane elastomer product of compound multilayer different hardness, need not to match many casting machines, the input of the enterprise fund that significantly reduces, the labour saving and time saving of getting up in the operation has improved work efficiency to improve space resources's utilization ratio. The cavity-separated heating is adopted, so that the prepolymer and the curing agent are heated independently, and the heating speed of the equipment is increased, thereby increasing the pouring speed and facilitating the popularization and use in production workshops.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification; to those skilled in the art, any alternative improvements or changes made to the embodiments of the present invention are all within the scope of the present invention.
The parts of the present invention not described in detail are the known techniques of those skilled in the art.
Claims (10)
1. The utility model provides a polyurethane elastomer casting machine, includes the box, is equipped with aircraft nose, its characterized in that in box top one side: a partition plate is arranged in the box body, the partition plate divides the box body into a left heating cavity and a right heating cavity, heating devices are arranged in the left heating cavity and the right heating cavity, at least two curing agent tanks are arranged in the right heating cavity, and at least one prepolymer tank is arranged in the left heating cavity;
the curing agent tanks are arranged in parallel, penetrate out of the box body through first discharging pipes respectively and are connected with the machine head, and first flow pumps are arranged on the first discharging pipes respectively;
the prepolymer tank outwards penetrates through the tank body through a second discharge pipe to be connected with the machine head, and a second flow pump is arranged on the second discharge pipe;
the box corresponds left heating chamber and right heating chamber and is equipped with sealing door respectively, heating device, first flow pump and second flow pump link to each other with the control box through the wire respectively.
2. The polyurethane elastomer casting machine of claim 1, wherein: and a filter valve is arranged on each first discharge pipe between the curing agent tank and the first flow pump.
3. The polyurethane elastomer casting machine of claim 1, wherein: and a filter is arranged on the second discharge pipe between the prepolymer tank and the second flow pump.
4. The polyurethane elastomer casting machine of claim 1, wherein: a first heating belt is wound on each first discharge pipe on the outer side of the box body; a second heating belt is wound on each second discharge pipe outside the box body; and each first heating belt and each second heating belt are respectively connected with the control box through leads.
5. The polyurethane elastomer casting machine of claim 1, wherein: the top of the box body corresponding to each prepolymer tank is provided with a vacuum pump which is communicated with the top of the prepolymer tank through a pipeline; and each vacuum pump is connected with the control box through a lead respectively.
6. The polyurethane elastomer casting machine of claim 1, wherein: the top of each prepolymer tank is provided with a stirring device; the stirring device comprises a stirring motor arranged at the top of the prepolymer tank, and an output shaft of the stirring motor extends into the prepolymer tank and is connected with a stirring wheel; and each stirring motor is connected with the control box through a lead respectively.
7. The polyurethane elastomer casting machine of claim 1, wherein: the left heating cavity and the right heating cavity of the box body are both provided with temperature sensors, and the two temperature sensors are respectively connected with the control box through leads.
8. The polyurethane elastomer casting machine of claim 1, wherein: heating device includes the heater strip, heats the intracavity at the left side of box and is equipped with the convection current fan, and the pivot of convection current fan is worn out the box and is linked to each other with the motor that sets up on the box lateral wall, the motor passes through the wire and links to each other with the control box.
9. The polyurethane elastomer casting machine of claim 1, wherein: still include one and prevent stifled device, prevent stifled device including the cleaner jar that is equipped with feed liquor pipe and drain pipe, the cleaner jar sets up on the support frame of box, is equipped with first ooff valve on the feed liquor pipe, and the drain pipe of cleaner jar links to each other with the three-way valve, and two other exports of three-way valve are continuous with the aircraft nose on air compressor machine, the box respectively through the pipeline, are equipped with the second ooff valve on the pipeline between three-way valve and aircraft nose.
10. The polyurethane elastomer casting machine of claim 9, wherein: the top of the cleaning agent tank is provided with a pressure gauge.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020610331.8U CN212021406U (en) | 2020-04-21 | 2020-04-21 | Polyurethane elastomer casting machine |
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| CN202020610331.8U CN212021406U (en) | 2020-04-21 | 2020-04-21 | Polyurethane elastomer casting machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111376416A (en) * | 2020-04-21 | 2020-07-07 | 山东延新环保科技有限公司 | Polyurethane elastomer casting machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111376416A (en) * | 2020-04-21 | 2020-07-07 | 山东延新环保科技有限公司 | Polyurethane elastomer casting machine |
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