CN112743741A - High-speed high-precision energy-saving foaming machine and process method thereof - Google Patents
High-speed high-precision energy-saving foaming machine and process method thereof Download PDFInfo
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- CN112743741A CN112743741A CN202011615389.2A CN202011615389A CN112743741A CN 112743741 A CN112743741 A CN 112743741A CN 202011615389 A CN202011615389 A CN 202011615389A CN 112743741 A CN112743741 A CN 112743741A
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- 238000005187 foaming Methods 0.000 title claims abstract description 126
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000008569 process Effects 0.000 title claims abstract description 9
- 238000001035 drying Methods 0.000 claims abstract description 50
- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 238000003756 stirring Methods 0.000 claims abstract description 44
- 238000007599 discharging Methods 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 30
- 238000005303 weighing Methods 0.000 claims abstract description 26
- 239000006260 foam Substances 0.000 claims description 47
- 239000002245 particle Substances 0.000 claims description 47
- 230000009471 action Effects 0.000 claims description 17
- 230000005484 gravity Effects 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 8
- 238000009423 ventilation Methods 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 abstract 1
- 230000017525 heat dissipation Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 229920006248 expandable polystyrene Polymers 0.000 description 6
- 239000002274 desiccant Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3415—Heating or cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3442—Mixing, kneading or conveying the foamable material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/36—Feeding the material to be shaped
- B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
- B29C44/42—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum
Abstract
The invention relates to a high-speed high-precision energy-saving foaming machine and a process method thereof, and provides a technical scheme for solving the problems that the foaming machine in the prior art is low in foaming efficiency and easy to be heated unevenly, wherein the foaming machine comprises: a high-speed high-precision energy-saving foaming machine comprises a frame, a feeding device, a foaming device, a drying device and a discharging device; the feeding device comprises a storage hopper, a vacuum pump, a material sucking pipe, a feeding barrel, a middle temporary storage hopper, a weighing hopper and an inclined-opening feeding pipe; the storage hopper is connected with the feeding barrel through the material suction pipe; the vacuum pump is connected with the feed barrel; the feeding barrel and the middle temporary storage hopper are both arranged on the frame, and the middle temporary storage hopper is positioned right below the feeding barrel; the weighing hopper is positioned right below the middle temporary storage hopper; one end of the bevel opening feeding pipe is connected with the weighing hopper, and the other end of the bevel opening feeding pipe is connected with the foaming device; the foaming device comprises a foaming barrel, an air inlet mechanism, an exhaust mechanism, a charging door cylinder and a stirring mechanism. The invention has high foaming efficiency, energy saving and environmental protection.
Description
Technical Field
The invention relates to a foaming machine and a process method thereof, in particular to a high-speed high-precision energy-saving foaming machine and a process method thereof.
Background
The foaming equipment in the current market comprises a feeding device, a foaming tank and a drying bed, wherein the feeding device is used for weighing a certain amount of EPS (expandable polystyrene) hard particle weighing equipment and then conveying the EPS hard particle weighing equipment into the foaming tank by using compressed air; introducing steam with a certain temperature into the foaming tank, and expanding the EPS hard particles into light foam particles after a certain time; and after the foam particles reach the specified density, opening a discharge port of the foaming tank, putting the foam particles into a drying bed, and introducing a drying gas for drying. However, the existing foaming equipment has the problems of low foaming efficiency, uneven heating of raw materials and high energy consumption.
Chinese patent publication No. CN201042837 discloses an EPS foaming machine, which comprises a feeding mechanism, a foaming tank, a drying bed, a connecting pipeline between each component and a control system, wherein the foaming tank has fewer steam inlets and steam outlets, the foaming efficiency is low, and the foam particles are heated unevenly; chinese patent publication No. CN207140200U discloses a high-efficiency steam pre-foaming machine, which enables the material in the stirring barrel to be uniformly heated when the device pre-foams the material by the arrangement of a spiral stirring belt and the stirring barrel, thereby ensuring the foaming quality of the material, and the stirring barrel of the invention has fewer steam inlets and steam outlets, and low foaming efficiency; chinese patent publication No. CN201685385U discloses an EPS foam foaming machine with a fluidized drying bed, in which a foaming tank is communicated with a steam input pipeline, a compressed air input pipeline, a cleaning pipeline, a sewage discharge pipeline, and an exhaust pipeline, and the exhaust pipeline is communicated with a fluidized drying bed system. The fluidized drying bed has no weighing mechanism, insufficient precision, few heat dissipation mechanisms and poor heat dissipation effect.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides an energy-saving foaming machine which is reasonable in structural design, high in foaming efficiency, energy-saving, environment-friendly, high in speed and high in precision and a process method thereof.
The technical scheme adopted by the invention for solving the problems is as follows: the high-speed high-precision energy-saving foaming machine comprises a frame, a feeding device, a foaming device, a drying device and a discharging device; the feeding device comprises a storage hopper, a vacuum pump, a material sucking pipe, a feeding barrel, a middle temporary storage hopper, a weighing hopper and an inclined-opening feeding pipe; the storage hopper is connected with the feeding barrel through a material sucking pipe; the vacuum pump is connected with the feed barrel; the feeding barrel and the middle temporary storage hopper are both arranged on the frame, and the middle temporary storage hopper is positioned right below the feeding barrel; the weighing hopper is positioned right below the middle temporary storage hopper; one end of the bevel opening feeding pipe is connected with the weighing hopper, and the other end of the bevel opening feeding pipe is connected with the foaming device; the foaming device comprises a foaming barrel, an air inlet mechanism, an exhaust mechanism, a material door cylinder and a stirring mechanism; the foaming barrel is arranged on the frame; the feeding hole of the foaming barrel is connected with an inclined opening feeding pipe; the air inlet mechanism is arranged at the bottom of the foaming barrel; the exhaust mechanism is arranged at the top of the foaming barrel; the charging door cylinder is arranged at a charging door of the foaming barrel; the air inlet mechanism comprises a main air inlet pipe, a first filter, a second filter, a first steam pocket, a second steam pocket, a third steam pocket, a pressure reducing valve, a steam proportional valve, an air proportional valve and a porous air inlet pipeline; the main air inlet pipe is connected with the first filter; the first filter is connected with the first steam pocket and the second steam pocket; the first steam pocket and the second steam pocket are connected in parallel; the second filter is connected with both the first steam pocket and the second steam pocket; the pressure reducing valve is connected with the second filter; the steam proportional valve is connected with the pressure reducing valve; the third steam pocket is connected with the pressure reducing valve and the steam proportional valve; the air proportional valve and the porous air inlet pipeline are both connected with a third steam pocket; the porous air inlet pipeline comprises a plurality of air inlet pipes and an air inlet loop pipe communicated with the air inlet pipes; the exhaust mechanism comprises a main exhaust pipe, a high-pressure fan, an exhaust valve, a safety valve and a porous exhaust pipeline; the high-pressure fan and the emptying valve are both connected with a main exhaust pipe; the porous exhaust pipeline is connected with an exhaust valve; the safety valve is arranged on the porous exhaust pipeline; the porous exhaust pipeline comprises a plurality of exhaust pipes and an exhaust loop pipe communicated with the exhaust pipes; the stirring mechanism comprises a motor, a stirring main shaft and stirring blades; the motor is fixed on the foaming barrel; the stirring main shaft is arranged on the motor; the stirring main shaft is also rotationally connected with the foaming barrel; the stirring blade is arranged on the stirring main shaft; the drying device comprises a drying bed, a radiator and a high-pressure fan; the radiator and the high-pressure fan are both arranged on the drying bed; the drying bed consists of a bed body and a top cover covering the bed body; the top cover is provided with a heat exhaust pipe; the discharging device comprises a discharging groove, a discharging pipe, a discharging fan, a rotating shaft, a motor and a gate; the discharge pipe, the rotating shaft, the motor and the gate are all arranged on the discharge chute; the discharge fan is arranged on the discharge pipe; the discharge chute comprises an outer frame, a filter screen, a fence and a discharge pipe; the filter screen and the fence are fixed on the outer frame; the rotating shaft is provided with blades; the blanking pipe is connected with the fence.
Preferably, the foaming barrel comprises an upper cover, a barrel body and a lower cover from top to bottom in sequence; the upper cover and the lower cover are both fixed on the barrel body; the upper cover is provided with a mounting seat for mounting the stirring mechanism.
Preferably, the lower cover is provided with an air inlet hole for connecting a porous air inlet pipeline; the upper cover is provided with an exhaust hole for connecting a porous exhaust pipeline.
Preferably, the drying bed is further provided with an access door for examining and repairing faults inside the drying bed.
Preferably, a connecting plate for preventing material leakage is arranged between the outer frame and the filter screen; the outer frame is also provided with a fixed rod for fixing the filter screen.
Preferably, the fence is positioned at the edge of the filter screen; the rotating shaft is positioned in the center of the filter screen.
Preferably, the gate is positioned between the drying bed and the discharge chute; the discharge pipe is communicated with the bottom of the outer frame.
A process method of a high-speed high-precision energy-saving foaming machine comprises the following steps:
the method comprises the following steps: firstly, pouring foam particles to be foamed into a storage hopper, starting a vacuum pump, and sucking raw materials into a feed barrel along a material sucking pipe; opening an emptying valve of the feeding barrel to enable the raw materials in the feeding barrel to fall into a middle temporary storage hopper under the action of gravity, falling into a weighing hopper from the middle temporary storage hopper, weighing by the weighing hopper, and then enabling the raw materials to enter a foaming barrel of a foaming device through an inclined inlet pipe;
step two: introducing steam from a main air inlet pipe, wherein the steam sequentially passes through a first filter, a first steam pocket, a second filter, a pressure reducing valve, a steam proportional valve and a third steam pocket and then enters the foaming barrel from a porous air inlet pipeline; during ventilation, the pressure reducing valve, the steam proportional valve and the air proportional valve are adjusted according to requirements;
step three: after the steam contacts with the foam particles in the foaming barrel, the steam is discharged from the main exhaust pipe through the porous exhaust pipeline; when exhausting, the high-pressure fan is opened, and the emptying valve is adjusted according to the requirement;
step four: the motor is started, the foam particles are fully dispersed under the action of the stirring blade, and under the matching of the air inlet mechanism and the air outlet mechanism, the steam is fully contacted with the foam particles in the foaming barrel, so that the foam particles are foamed;
step five: after foaming is finished, closing a pressure reducing valve in the air inlet mechanism, controlling a material door cylinder to open a material door at the bottom of the foaming barrel, and allowing the foamed foam particles to enter a drying bed under the action of gravity;
step six: closing the gate, opening the radiator and the high-pressure fan, enabling the foam particles to continuously flow and roll in the drying bed under the action of wind power so as to dry and cool, and discharging hot steam from the radiator and the heat discharge pipe on the top cover;
step seven: after the drying is accomplished, open the gate, during the foam particle got into the blown down tank to in filter screen department, the stirring of blade is cooled down once more in the pivot, in getting into the frame through the unloading pipe afterwards, and drop into the discharging pipe under the action of gravity, the ejection of compact under the effect of ejection of compact fan at last.
Compared with the prior art, the invention has the following advantages and effects:
1. according to the invention, due to the design of the porous air inlet pipeline and the porous exhaust pipeline, the foaming barrel is provided with a plurality of dispersed air inlet points and air outlet points, so that the air inlet speed and the air outlet speed can be increased, the steam can be in full contact with the foam particles, the foam particles can be heated uniformly, and the foaming efficiency and the foaming quality can be improved.
2. According to the invention, the air inlet mechanism is provided with the plurality of filters and the steam bag to filter the introduced steam, so that the quality of the introduced steam is improved, and the foaming effect of the foaming machine is ensured.
3. According to the invention, the design of the stirring mechanism can fully disperse the foam particles in the foaming barrel, so that the temperature of each part in the foaming barrel is more uniform.
4. The gate of the invention can limit the foam particles in the drying bed, so that the foam particles continuously flow and roll in the drying bed, and the drying bed can fully play the roles of drying and heat dissipation.
5. The design of the filter screen in the invention leads the discharge chute structure to be more ventilated, thus being beneficial to heat dissipation, and the heat dissipation can be accelerated by stirring the foam particles by the blades on the rotating shaft.
6. When the invention is ventilated, the pressure reducing valve, the steam proportional valve and the air proportional valve can be adjusted according to requirements, so that different pressures and steam proportions are selected according to foam particles with different components, and the foaming effect is favorably improved.
7. The high-pressure fan is opened during air exhaust, so that the air exhaust speed can be increased, heat exchange can be generated when hot steam is mixed into airflow formed by the high-pressure fan, and the problem of safety caused by overhigh temperature of the exhausted airflow can be prevented. In addition, the exhaust speed can also be controlled by adjusting the exhaust valve, the exhaust speed of the steam is adjusted to a proper value, so that the steam is fully subjected to heat exchange with the foam particles in the foaming barrel and then is discharged, the energy utilization rate is high, and the energy-saving and environment-friendly effects are achieved.
Drawings
Fig. 1 is a schematic perspective view of a high-speed and high-precision energy-saving foaming machine according to an embodiment of the present invention.
FIG. 2 is a schematic perspective view of a feeding device and a foaming device in an embodiment of the present invention.
Fig. 3 is a schematic perspective view of a foaming device in an embodiment of the present invention.
Fig. 4 is a schematic front view of a foaming device in an embodiment of the present invention.
Fig. 5 is a schematic top view of a foaming device according to an embodiment of the present invention.
FIG. 6 is a schematic bottom view of a foaming device in an embodiment of the present invention.
Fig. 7 is a schematic front view of a feed barrel according to an embodiment of the present invention.
Fig. 8 is a schematic perspective view of the stirring mechanism in the embodiment of the present invention.
Fig. 9 is a schematic perspective view of a drying device and a discharging device in an embodiment of the present invention.
Fig. 10 is a schematic structural diagram of a radiator and a high-pressure fan in the embodiment of the invention.
Fig. 11 is a schematic top view of a discharging device in an embodiment of the invention.
FIG. 12 is a schematic cross-sectional view of a spout and a tapping pipe in an embodiment of the present invention.
In the figure: the device comprises a frame 1, a feeding device 2, a foaming device 3, a drying device 4, a discharging device 5, a storage hopper 21, a vacuum pump 22, a material suction pipe 23, a feeding barrel 24, a middle temporary storage hopper 25, a weighing hopper 26, an inclined-opening feeding pipe 27, a foaming barrel 31, an air inlet mechanism 32, an air outlet mechanism 33, a material door cylinder 34, a stirring mechanism 35, a material door 311, a feeding port 312, an upper cover 313, a barrel 314, a lower cover 315, a main air inlet pipe 320, a first filter 321, a second filter 322, a first steam bag 323, a second steam bag 324, a third steam bag 325, a pressure reducing valve 326, a steam proportional valve 327, an air proportional valve 328, a porous air inlet pipeline 329, a main air outlet pipe 330, a high-pressure fan 331, an exhaust valve 332, a safety valve 333, a porous air outlet pipeline 335, a 3131, an air outlet 3151, an air inlet pipe 3291, an air inlet loop pipe 3292, an air outlet pipe 3351, an air, The device comprises a high-pressure fan 43, a bed body 411, a top cover 412, a discharge chute 51, a discharge pipe 52, a discharge fan 53, a rotating shaft 54, a motor 55, a gate 56, an outer frame 511, a filter screen 512, a fence 513, a discharge pipe 514, a connecting plate 515, a fixing rod 516 and blades 541.
Detailed Description
The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.
Examples are given.
Referring to fig. 1 to 12, the high-speed high-precision energy-saving foaming machine in the present embodiment includes a frame 1, a feeding device 2, a foaming device 3, a drying device 4, and a discharging device 5; the feeding device 2 comprises a storage hopper 21, a vacuum pump 22, a material sucking pipe 23, a feeding barrel 24, a middle temporary storage hopper 25, a weighing hopper 26 and an inclined opening feeding pipe 27; the storage hopper 21 is connected with a feeding barrel 24 through a material suction pipe 23; the vacuum pump 22 is connected with the feed barrel 24; the feed barrel 24 and the middle temporary storage hopper 25 are both arranged on the frame 1, and the middle temporary storage hopper 25 is positioned right below the feed barrel 24; the weighing hopper 26 is positioned right below the middle temporary storage hopper 25; one end of the bevel feeding pipe 27 is connected with the weighing hopper 26, and the other end is connected with the foaming device 3; the weighing hopper 26 is adopted to control the feeding amount in the foaming barrel 31, so that the foaming amount at each time is reasonably controlled, and the product quality is favorably improved.
The foaming device 3 in this embodiment includes a foaming barrel 31, an air intake mechanism 32, an exhaust mechanism 33, a material door cylinder 34, and a stirring mechanism 35; the foaming barrel 31 is arranged on the frame 1; the feeding port 312 of the foaming barrel 31 is connected with the inclined port feeding pipe 26; the air inlet mechanism 32 is arranged at the bottom of the foaming barrel 31; the exhaust mechanism 33 is arranged at the top of the foaming barrel 31; the material gate cylinder 34 is installed at the material gate 311 of the foaming tub 31; the foaming barrel 31 is provided with an upper cover 313, a barrel 314 and a lower cover 315 from top to bottom in sequence; the upper cover 313 and the lower cover 315 are both fixed on the barrel 314; the upper cover 313 is provided with a mounting seat 316 for mounting the stirring mechanism 35; an air inlet 3131 for connecting the porous air inlet pipeline 329 is arranged on the lower cover 315; the upper cover 313 is provided with an exhaust hole 3151 for connecting the porous exhaust conduit 335.
The air inlet mechanism 32 in the embodiment comprises a main air inlet pipe 320, a first filter 321, a second filter 322, a first steam pocket 323, a second steam pocket 324, a third steam pocket 325, a pressure reducing valve 326, a steam proportional valve 327, an air proportional valve 328 and a porous air inlet pipeline 329; the total air inlet pipe 320 is connected with a first filter 321; the first filter 321 is connected with the first steam pocket 323 and the second steam pocket 324; first steam drum 323 and second steam drum 324 are connected in parallel; the second filter 322 is connected with the first steam pocket 323 and the second steam pocket 324; the pressure reducing valve 326 is connected with the second filter 322; the steam proportional valve 327 is connected with the pressure reducing valve 326; third steam pocket 325 is connected with pressure reducing valve 326 and steam proportional valve 327; the air proportional valve 328 and the porous air inlet pipeline 329 are connected with a third steam pocket 325; the porous intake duct 329 includes a plurality of intake pipes 3291 and an intake circuit pipe 3292 communicating with the intake pipes 3291; the porous air inlet pipe 329 has a plurality of scattered air inlet points to the foaming barrel 31, so that the air inlet speed can be accelerated, the full contact of steam and foam particles is facilitated, and the foaming efficiency is improved.
The exhaust mechanism 33 in the present embodiment includes a main exhaust pipe 330, a high pressure blower 331, an exhaust valve 332, a safety valve 333, and a porous exhaust pipe 335; the high-pressure fan 331 and the evacuation valve 332 are both connected with the main exhaust pipe 330; the porous exhaust conduit 335 is connected to the exhaust valve 332; a relief valve 333 is mounted on the porous exhaust conduit 335; the porous exhaust conduit 335 includes a plurality of exhaust pipes 3351 and an exhaust return pipe 3352 communicating with the exhaust pipes 3351; the porous exhaust pipeline 335 has a plurality of dispersed air outlet points for the foaming barrel 31, so that the air outlet speed can be accelerated, the full contact between steam and foam particles is facilitated, and the foaming efficiency is improved.
The stirring mechanism 35 in the present embodiment includes a motor 351, a stirring spindle 352, and a stirring blade 353; the motor 351 is fixed on the foaming barrel 31; the stirring main shaft 352 is mounted on the motor 351; the stirring main shaft 352 is also rotationally connected with the foaming barrel 31; the stirring blade 353 is installed on the stirring main shaft 352; the stirring mechanism 35 can fully disperse the foam particles in the foaming barrel, so that the temperature of each part in the foaming barrel 31 is more uniform.
The drying device 4 in the present embodiment includes a drying bed 41, a radiator 42, and a high-pressure blower 43; the radiator 42 and the high pressure fan 43 are both arranged on the drying bed 41; the drying bed 41 consists of a bed body 411 and a top cover 412 covering the bed body 411; the top cover 412 is provided with a heat exhaust pipe 413; the drying bed 41 is further provided with an access door 414 for checking internal faults of the drying bed 41. The gate 56 can confine the foam particles in the desiccant bed 41 such that the foam particles continuously flow and tumble in the desiccant bed 41, so that the desiccant bed 41 can sufficiently perform the drying and heat dissipation functions.
The discharging device 5 in this embodiment includes a discharging chute 51, a discharging pipe 52, a discharging fan 53, a rotating shaft 54, a motor 55, and a gate 56; the discharge pipe 52, the rotating shaft 54, the motor 55 and the gate 56 are all arranged on the discharge chute 51; the discharging fan 53 is arranged on the discharging pipe 52; the discharging chute 51 comprises an outer frame 511, a filter screen 512, a fence 513 and a discharging pipe 514; the filter screen 512 and the fence 513 are both fixed on the outer frame 511; the rotating shaft 54 is provided with blades 541; the blanking pipe 514 is connected with the fence 513; a connecting plate 515 for preventing material leakage is arranged between the outer frame 511 and the filter screen 512; the outer frame 511 is also provided with a fixing rod 516 for fixing the filter screen 512; the fence 513 is located at the edge of the screen 512; the rotating shaft 54 is positioned in the center of the filter screen 512; a gate 56 is located between the drying bed 41 and the discharge chute 51; the tapping pipe 52 communicates with the bottom of the outer frame 511. The filter screen 512 makes the structure of the discharge chute 51 more ventilated, which is beneficial to heat dissipation, and the blades 541 on the rotating shaft 54 stir the foam particles to accelerate heat dissipation.
The process method of the high-speed high-precision energy-saving foaming machine in the embodiment comprises the following steps:
the method comprises the following steps: firstly, pouring foam particles to be foamed into a storage hopper 21, starting a vacuum pump 22, and sucking raw materials into a feed barrel 24 along a material sucking pipe 23; then opening an emptying valve of the feeding barrel 24, so that the raw materials in the feeding barrel 24 fall into the intermediate temporary storage hopper 25 under the action of gravity, fall into the weighing hopper 26 from the intermediate temporary storage hopper 25, are weighed by the weighing hopper 26, and then enter into a foaming barrel 31 of the foaming device 3 through an inclined inlet pipe 27;
step two: steam is introduced from the main air inlet pipe 320, passes through a first filter 321, a first steam pocket 323, a second steam pocket 324, a second filter 322, a pressure reducing valve 326, a steam proportional valve 327 and a third steam pocket 325 in sequence, and then enters the foaming barrel 31 from a porous air inlet pipeline 329; during ventilation, the pressure reducing valve 326, the steam proportional valve 327 and the air proportional valve 328 are adjusted according to requirements;
step three: after contacting with the foam particles in the foaming tub 31, the steam is discharged from the main exhaust pipe 330 through the porous exhaust pipe 335; when exhausting, the high pressure fan 331 is turned on, and the emptying valve 332 is adjusted according to the requirement;
step four: the motor 351 is turned on, the foam particles are fully dispersed under the action of the stirring blade 353, and under the cooperation of the air inlet mechanism 32 and the air outlet mechanism 33, the steam is fully contacted with the foam particles in the foaming barrel 31, so that the foam particles are foamed;
step five: after foaming is completed, the pressure reducing valve 326 in the air inlet mechanism 32 is closed, the material door cylinder 34 is controlled to open the material door 311 at the bottom of the foaming barrel 31, and the foamed foam particles enter the drying bed 41 under the action of gravity;
step six: the gate 56 is closed, the radiator 42 and the high-pressure fan 43 are opened, the foam particles continuously flow and roll in the drying bed 41 under the action of wind power, so that drying and cooling are performed, and hot steam is discharged from the radiator 42 and the heat discharge pipe 413 on the top cover 412;
step seven: after the drying is completed, the gate 56 is opened, the foam particles enter the discharging groove 51, and are cooled again by the stirring of the blade 541 on the rotating shaft 54 at the filter screen 512, and then enter the outer frame 511 through the discharging pipe 514, fall into the discharging pipe 52 under the action of gravity, and finally are discharged under the action of the discharging fan 53.
In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an illustration of the structure of the present invention. Equivalent or simple changes in the structure, characteristics and principles of the invention are included in the protection scope of the patent. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (8)
1. A high-speed high-precision energy-saving foaming machine comprises a frame (1); the device is characterized by also comprising a feeding device (2), a foaming device (3), a drying device (4) and a discharging device (5); the feeding device (2) comprises a storage hopper (21), a vacuum pump (22), a material sucking pipe (23), a feeding barrel (24), a middle temporary storage hopper (25), a weighing hopper (26) and an inclined opening feeding pipe (27); the storage hopper (21) is connected with the feeding barrel (24) through a material sucking pipe (23); the vacuum pump (22) is connected with the feed barrel (24); the feeding barrel (24) and the middle temporary storage hopper (25) are both arranged on the rack (1), and the middle temporary storage hopper (25) is positioned under the feeding barrel (24); the weighing hopper (26) is positioned right below the middle temporary storage hopper (25); one end of the bevel opening feeding pipe (27) is connected with the weighing hopper (26), and the other end is connected with the foaming device (3); the foaming device (3) comprises a foaming barrel (31), an air inlet mechanism (32), an exhaust mechanism (33), a bin gate cylinder (34) and a stirring mechanism (35); the foaming barrel (31) is arranged on the frame (1); the feed inlet (312) of the foaming barrel (31) is connected with the inclined inlet feed pipe (26); the air inlet mechanism (32) is arranged at the bottom of the foaming barrel (31); the exhaust mechanism (33) is arranged at the top of the foaming barrel (31); the charging door cylinder (34) is arranged at a charging door (311) of the foaming barrel (31); the air inlet mechanism (32) comprises a main air inlet pipe (320), a first filter (321), a second filter (322), a first steam pocket (323), a second steam pocket (324), a third steam pocket (325), a pressure reducing valve (326), a steam proportional valve (327), an air proportional valve (328) and a porous air inlet pipeline (329); the main air inlet pipe (320) is connected with a first filter (321); the first filter (321) is connected with the first steam pocket (323) and the second steam pocket (324); the first steam pocket (323) and the second steam pocket (324) are connected in parallel; the second filter (322) is connected with the first steam pocket (323) and the second steam pocket (324); the pressure reducing valve (326) is connected with a second filter (322); the steam proportional valve (327) is connected with a pressure reducing valve (326); the third steam pocket (325) is connected with a pressure reducing valve (326) and a steam proportional valve (327); the air proportional valve (328) and the porous air inlet pipeline (329) are connected with a third steam pocket (325); the porous air inlet pipeline (329) comprises a plurality of air inlet pipes (3291) and an air inlet loop pipe (3292) communicated with the air inlet pipes (3291); the exhaust mechanism (33) comprises a main exhaust pipe (330), a high-pressure fan (331), an exhaust valve (332), a safety valve (333) and a porous exhaust pipeline (335); the high-pressure fan (331) and the exhaust valve (332) are both connected with the main exhaust pipe (330); the porous exhaust pipe (335) is connected with an exhaust valve (332); the safety valve (333) is mounted on the porous exhaust pipe (335); the porous exhaust duct (335) includes a plurality of exhaust pipes (3351) and an exhaust loop pipe (3352) communicating with the exhaust pipes (3351); the stirring mechanism (35) comprises a motor (351), a stirring main shaft (352) and a stirring blade (353); the motor (351) is fixed on the foaming barrel (31); the stirring main shaft (352) is arranged on the motor (351); the stirring main shaft (352) is also rotationally connected with the foaming barrel (31); the stirring blade (353) is arranged on the stirring main shaft (352); the drying device (4) comprises a drying bed (41), a radiator (42) and a high-pressure fan (43); the radiator (42) and the high-pressure fan (43) are both arranged on the drying bed (41); the drying bed (41) consists of a bed body (411) and a top cover (412) covering the bed body (411); the top cover (412) is provided with a heat exhaust pipe (413); the discharging device (5) comprises a discharging groove (51), a discharging pipe (52), a discharging fan (53), a rotating shaft (54), a motor (55) and a gate (56); the discharge pipe (52), the rotating shaft (54), the motor (55) and the gate (56) are all arranged on the discharge chute (51); the discharging fan (53) is arranged on the discharging pipe (52); the discharge chute (51) comprises an outer frame (511), a filter screen (512), a fence (513) and a discharge pipe (514); the filter screen (512) and the fence (513) are both fixed on the outer frame (511); the rotating shaft (54) is provided with blades (541); the blanking pipe (514) is connected with the fence (513).
2. The high-speed high-precision energy-saving foaming machine according to claim 1, wherein the foaming barrel (31) comprises an upper cover (313), a barrel body (314) and a lower cover (315) from top to bottom; the upper cover (313) and the lower cover (315) are both fixed on the barrel body (314); and the upper cover (313) is provided with a mounting seat (316) for mounting the stirring mechanism (35).
3. The high-speed high-precision energy-saving foaming machine according to claim 2, wherein the lower cover (315) is provided with an air inlet hole (3131) for connecting a porous air inlet pipeline (329); and the upper cover (313) is provided with an exhaust hole (3151) for connecting a porous exhaust pipeline (335).
4. The high-speed high-precision energy-saving foaming machine according to claim 1, wherein an access door (414) for repairing the internal fault of the drying bed (41) is further provided on the drying bed (41).
5. The high-speed high-precision energy-saving foaming machine according to claim 1, wherein a connecting plate (515) for preventing material leakage is arranged between the outer frame (511) and the filter screen (512); the outer frame (511) is also provided with a fixing rod (516) for fixing the filter screen (512).
6. The high-speed high-precision energy-saving foaming machine according to claim 1, wherein the fence (513) is located at the edge of the screen (512); the rotating shaft (54) is positioned in the center of the filter screen (512).
7. A high speed, high precision, energy saving foaming machine according to claim 1 wherein the gate (56) is located between the drying bed (41) and the discharge chute (51); the discharge pipe (52) is communicated with the bottom of the outer frame (511).
8. A process method of a high-speed high-precision energy-saving foaming machine according to any one of claims 1 to 7, characterized by comprising the following steps:
the method comprises the following steps: firstly, pouring foam particles to be foamed into a storage hopper (21), starting a vacuum pump (22), and sucking raw materials into a feeding barrel (24) along a material sucking pipe (23); opening an emptying valve of the feeding barrel (24) to enable the raw materials in the feeding barrel (24) to fall into a middle temporary storage hopper (25) under the action of gravity, then falling into a weighing hopper (26) from the middle temporary storage hopper (25), weighing by the weighing hopper (26), and then entering a beveled feeding pipe (27) into a foaming barrel (31) of a foaming device (3);
step two: steam is introduced from a main air inlet pipe (320), and the steam sequentially passes through a first filter (321), a first steam bag (323), a second steam bag (324), a second filter (322), a pressure reducing valve (326), a steam proportional valve (327) and a third steam bag (325) and then enters the foaming barrel (31) from a porous air inlet pipeline (329); during ventilation, the pressure reducing valve (326), the steam proportional valve (327) and the air proportional valve (328) are adjusted according to requirements;
step three: after being contacted with the foam particles in the foaming barrel (31), the steam is exhausted from the main exhaust pipe (330) through a porous exhaust pipeline (335); when in exhaust, the high-pressure fan (331) is opened, and the emptying valve (332) is adjusted according to the requirement;
step four: the motor (351) is turned on, the foam particles are fully dispersed under the action of the stirring blade (353), and under the cooperation of the air inlet mechanism (32) and the air outlet mechanism (33), the steam is fully contacted with the foam particles in the foaming barrel (31) to foam the foam particles;
step five: after foaming is finished, closing a pressure reducing valve (326) in the air inlet mechanism (32), controlling a material door cylinder (34) to open a material door (311) at the bottom of the foaming barrel (31), and allowing the foamed foam particles to enter a drying bed (41) under the action of gravity;
step six: closing the gate (56), opening the radiator (42) and the high-pressure fan (43), enabling the foam particles to continuously flow and roll in the drying bed (41) under the action of wind power so as to dry and cool, and discharging hot steam from the radiator (42) and a heat discharge pipe (413) on the top cover (412);
step seven: after the drying is finished, the gate (56) is opened, the foam particles enter the discharge chute (51), the temperature is reduced again through the stirring of the blade (541) on the rotating shaft (54) at the position of the filter screen (512), then the foam particles enter the outer frame (511) through the discharge pipe (514), fall into the discharge pipe (52) under the action of gravity, and finally the foam particles are discharged under the action of the discharge fan (53).
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| CN202011615389.2A CN112743741A (en) | 2020-12-30 | 2020-12-30 | High-speed high-precision energy-saving foaming machine and process method thereof |
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