CN113665025A

CN113665025A - Thermoplastic elastomer air hot-cutting granule cooling device

Info

Publication number: CN113665025A
Application number: CN202110981894.7A
Authority: CN
Inventors: 魏书娟; 饶从庆; 孙佩钦; 杨乃国
Original assignee: Lu'an Yeji Jucheng Polymer Material Co ltd
Current assignee: Lu'an Yeji Jucheng Polymer Material Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2021-11-19

Abstract

The invention belongs to the technical field of thermoplastic elastomer production, and particularly relates to a thermoplastic elastomer air hot cutting granule cooling device which comprises a granule cutting box, wherein one side of the granule cutting box is connected with an extruder, the head of the extruder extends into the granule cutting box, and the other side of the granule cutting box is connected with a servo motor. According to the invention, through the use of the inclined plate in the cooling mechanism, on one hand, materials can be cooled through cold air blown out from the inside of the inclined plate, on the other hand, the inclined plate and the inner side wall of the grain cutting box form an included angle of 45 degrees, when the materials fall on the surface of the inclined plate, the materials can fall uniformly and cannot be stacked together to cause blockage, and further, the cooling mechanism designed by the invention is matched with the use of the cooling mechanism, so that the cooling effect of the materials is more ideal, meanwhile, the unique design in the cooling mechanism can uniformly cool the materials and can also uniformly fall the materials, and the cooling mode is not single.

Description

Thermoplastic elastomer air hot-cutting granule cooling device

Technical Field

The invention relates to the technical field of thermoplastic elastomer production, in particular to a thermoplastic elastomer air hot-cutting granule cooling device.

Background

Thermoplastic elastomer TPE/TPR, also known as elastomer or elastomer. The product not only has the excellent performances of high elasticity, aging resistance and oil resistance of the traditional cross-linked vulcanized rubber, but also has the characteristics of convenient processing and wide processing mode of common plastics. The nozzle can be produced by processing modes such as injection molding, extrusion, blow molding and the like, and 100 percent of the nozzle corners are directly used for the second time after being crushed. The processing process is simplified, and the processing cost is reduced, so that the thermoplastic elastomer TPE/TPR material becomes a latest material for replacing the traditional rubber, is environment-friendly, nontoxic, comfortable in hand feeling and exquisite in appearance, and makes the product more creative. Therefore, the thermoplastic elastomer is a novel synthetic material with more humanization and high grade and is also a worldwide standard environment-friendly material, and the thermoplastic elastomer needs to be cut into granules on a production line in the processing process and is convenient for subsequent use.

At present, in the process of producing thermoplastic elastomers, materials are generally fed into an extruder to be melted and further uniformly mixed, a plurality of strands are formed through a porous die, and then are cut into granules through a granulator, the extruder and the granulator are basically connected together, and the connection mode of the extruder and the granulator is that a machine head of the extruder extends into the front part of a cutter head of the granulator, and then granulation operation is carried out.

However, the material that the extruder was extruded is higher because its self temperature, if can not in time with its cooling, the adhesion condition takes place easily when cutting grain, be not convenient for cut the grain to the material, can produce great influence to its quality, production efficiency is low, and to traditional granulator at the cooling method to the material is cut grain, it cools off the material of cutting grain to set up radiator fan at the aircraft nose of extruder and the tool bit front portion of granulator basically, though can play certain cooling effect to the eager grain of material, but the cooling method is too single cooling effect simultaneously also not very ideal. Therefore, the invention provides a device for cooling thermoplastic elastomer aerial hot-cut granules to solve the problems.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a thermoplastic elastomer air hot-cutting granule cooling device, which solves the problems that a traditional granulator has a single cooling mode for granulating materials and has an unsatisfactory cooling effect.

The second technical proposal.

The invention specifically adopts the following technical scheme for realizing the purpose:

the utility model provides an aerial hot cutting aggregate cooling device of thermoplastic elastomer, includes the grain cutting case, one side of grain cutting case is connected with the extruder, the aircraft nose of extruder extends to the inside of grain cutting case, the opposite side of grain cutting case is connected with servo motor and servo motor's output and is connected with the cutter, the cutter is located the place ahead of extruder aircraft nose, the inside wall of grain cutting case all is equipped with cooling body, cooling body includes the hang plate, the hang plate slope is connected on the inside wall of grain cutting case, the top of hang plate is equipped with the standing groove, the interior diapire of standing groove is equipped with the cooling bath, the interior diapire of standing groove is equipped with the cooling plate, the top of cooling plate is equipped with the bleeder vent that communicates with the standing groove, the bottom of hang plate is connected with the cooling case, the inner wall connection of cooling case has the PCB board, the place ahead of PCB board is equipped with semiconductor refrigeration piece in proper order, The cooling device comprises a cooling fin and a small fan, wherein one side of a cooling box is communicated with a connecting pipe, the other end of the connecting pipe extends into the cooling groove, the inner bottom wall of the cooling groove is connected with the large fan, the top of a grain cutting box is provided with a cooling mechanism, when materials are processed, the materials are firstly sent into an extruder to be melted and further uniformly mixed, a plurality of strips are formed through a porous opening die, then a servo motor is started, the output end of the servo motor drives a cutter to cut the strips, and the cut materials fall through the layered inclined surface of an inclined plate so as to ensure the uniformity of material falling and also more uniform cooling effect when the materials are cooled, the cooling effect of material grain cutting is improved by cooling the materials twice in the cooling device, and when the cut strips are primarily cooled, the cooling fan in the cooling mechanism can be started, because the fan fixing frame is communicated with the inside of the grain cutting box, the heat radiation fan can simultaneously carry out primary cooling on a strip material and a cutter extruded by an extruder head in the grain cutting box, then the primarily cooled material falls into the cooling mechanism to be secondarily cooled, the cooling mechanism is respectively arranged on the left side wall and the right side wall of the grain cutting box, and meanwhile, the inclined plates in the two cooling mechanisms and the left side wall and the right side wall of the grain cutting box are obliquely arranged, so that the material can be discharged and cooled in a layered inclined mode, and the cooling effect of the material is more uniform and ideal. The cooling mechanism designed by the invention is matched with the cooling mechanism to ensure that the cooling effect of the materials is more ideal, and meanwhile, the unique design in the cooling mechanism can not only uniformly cool the materials but also uniformly drop the materials, and the cooling mode is not single.

Further, the top of cooling plate is same water flat line with the top of hang plate, the top of cooling plate is connected with spacing iron plate through the pivot, the inner wall that the top of hang plate was equipped with spacing groove and spacing groove is connected with magnet, magnet is used for adsorbing spacing iron plate magnetism, and when spacing iron plate rotated the magnet position through the pivot, spacing iron plate and magnet adsorb each other, and then can carry out spacing fixed to the cooling plate, can prevent that the cooling plate from breaking away from the mounting groove, when the cooling plate need be opened, rotated the surface of cooling plate through the pivot with spacing iron plate, spacing iron plate breaks away from magnet department this moment, can take out the cooling plate from the inner wall of mounting groove through pinching of spacing iron plate, can conveniently inspect the inside of hang plate.

Further, semiconductor refrigeration piece, fin and little fan respectively with the inner wall connection of cooler bin, one side of semiconductor refrigeration piece is connected with one side of fin, one side of fin is connected with one side of little fan, because the refrigeration face contact of fin and semiconductor refrigeration piece, then the little fan of fin one side connection can blow cold wind into the inside of cooling bath through the connecting pipe, and the inside cold wind rethread big fan of last hang plate blows off from the bleeder vent, realizes cooling the material.

Furthermore, the cooling mechanism comprises a fan fixing frame, the bottom of the fan fixing frame is connected to the top of the grain cutting box, the inside of the fan fixing frame is communicated with the inside of the grain cutting box, a cooling fan is installed inside the fan fixing frame, the surface of the cooling fan is connected with a filter screen, the filter screen is connected to the inner wall of the fan fixing frame, the inside of the fan fixing frame designed in the invention is hollow and is the same as the inside of the grain cutting box, when the cooling fan is installed inside the fan fixing frame, when the cooling fan is started, the cooling fan can carry out primary cooling on a material part and a cutter extruded by a machine head of an extruder below, and then secondary cooling is carried out on the material through the cooling mechanism, so that the cooling effect of the material can be further improved.

Furthermore, the bottom of the dicing box is connected with a base supporting table, a mounting groove is formed in the base supporting table, a conveying belt used for conveying materials is arranged in the mounting groove, a guide chute communicated with the mounting groove is formed in the top of the base supporting table, a blanking plate communicated with the mounting groove is arranged on one side of the base supporting table, the mounting groove used for mounting the conveying belt is formed in the base supporting table, when the materials sequentially fall into the guide chute from the inclined plane of the inclined plate and then fall onto the surface of the conveying belt, the conveying belt conveys the materials on the surface, and the materials are discharged through the blanking plate by using the conveying belt, so that the materials are guaranteed to uniformly fall in the discharging process.

Further, the bottom of pelletizing case is the vertical downward setting of opening, the bottom of pelletizing case and the inside intercommunication of baffle box establish the bottom of pelletizing case into vertical opening form, be in order to make the material can fall to the inside conveyer belt of base supporting station.

Further, there is the chamber door that is used for the grain cutting case to open or close on the surface of grain cutting case through hinge connection, the surface of chamber door is equipped with transparent window and is used for observing the inside of grain cutting case, the surface of chamber door is connected with and is used for the handle that the chamber door was opened or was closed, sets up the chamber door on the surface of grain cutting case, and it is more convenient when the inside inspection of for the convenience later stage to the grain cutting case or clearance, and the chamber door is equipped with the transparent window simultaneously, can observe the operating condition of grain cutting incasement portion, and the handle makes the chamber door more convenient when opening and closing.

Further, the interior roof of pelleter box is connected with the connecting rod, and the bottom of connecting rod is connected with the U template, and the inner wall of U template and the aircraft nose surface connection of extruder, the cooperation between connecting rod and the U template are used, mainly be in order to play certain spacing and support to the surface department of extruder aircraft nose, guarantee this extruder stability at the during operation.

(III) advantageous effects

Compared with the prior art, the invention provides a thermoplastic elastomer air hot-cutting granule cooling device, which has the following beneficial effects:

1. according to the invention, the strip material and the cutter extruded by the extruder head are primarily cooled by the cooling mechanism, then the primarily cooled material is cooled again by the cooling mechanism, the material cooling mode of the cooling mechanism is that cold air is brought into the connecting pipe by the small fan through the semiconductor refrigeration sheet arranged in the cooling box, the cold air in the connecting pipe enters the cooling groove again, the large fan arranged in the cooling groove can blow cold air out of the air holes, when the primarily cooled material falls into the inclined plate, the primarily cooled material is cooled again, and the cooling effect is more ideal.

2. According to the invention, through the use of the inclined plate in the cooling mechanism, on one hand, materials can be cooled through cold air blown out from the inside of the inclined plate, on the other hand, the inclined plate and the inner side wall of the grain cutting box form an included angle of 45 degrees, when the materials fall on the surface of the inclined plate, the materials can fall uniformly and cannot be stacked together to cause blockage, and further, the cooling mechanism designed by the invention is matched with the use of the cooling mechanism, so that the cooling effect of the materials is more ideal, meanwhile, the unique design in the cooling mechanism can uniformly cool the materials and can also uniformly fall, and the cooling mode is not single.

Drawings

FIG. 1 is a main sectional view of the present invention;

FIG. 2 is a schematic view of the cooling mechanism of the present invention;

FIG. 3 is a schematic cross-sectional view of the cooling box of the present invention;

FIG. 4 is a schematic view of a connection structure of a cooling mechanism and a dicing case according to the present invention;

FIG. 5 is a schematic view of the structure of the grain cutting box of the present invention;

FIG. 6 is a schematic view of a base supporting table according to the present invention.

In the figure: 1. a grain cutting box; 2. an extruder; 3. a servo motor; 4. a cutter; 5. a cooling mechanism; 501. an inclined plate; 502. a placement groove; 503. a cooling tank; 504. a cooling plate; 505. air holes are formed; 506. a cooling tank; 507. a PCB board; 508. a semiconductor refrigeration sheet; 509. a heat sink; 510. a small fan; 511. a connecting pipe; 512. a large fan; 513. limiting an iron block; 514. a limiting groove; 515. a magnet; 6. a cooling mechanism; 601. a fan fixing frame; 602. a heat radiation fan; 603. a filter screen; 7. a base support table; 8. mounting grooves; 9. a conveyor belt; 10. a material guide chute; 11. a blanking plate; 12. and (4) a box door.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

As shown in fig. 1-4, an apparatus for cooling thermoplastic elastomer airborne hot-cut granules according to an embodiment of the present invention includes a granule cutting box 1, an extruder 2 is connected to one side of the granule cutting box 1, a head of the extruder 2 extends into the granule cutting box 1, the extruder 2 is connected to the granule cutting box 1, which can reduce space and facilitate granule cutting of materials, a servo motor 3 is connected to the other side of the granule cutting box 1, and an output end of the servo motor 3 is connected to a cutter 4, the servo motor 3 can control a granule cutting speed of the cutter 4, which can be adjusted according to requirements of the materials, the cutter 4 is located in front of the head of the extruder 2, the cutter 4 and the head of the extruder 2 are arranged together, which is mainly used for granule cutting of materials, cooling mechanisms 5 are arranged on inner side walls of the granule cutting box 1, cooling mechanisms 5 are respectively arranged on left and right side walls of the granule cutting box 1, the bottoms of the inclined plates 501 in the two cooling mechanisms 5 are respectively 45 degrees with the left side wall and the right side wall of the grain cutting box 1, so that the inclined plates 501 in the cooling mechanisms 5 present certain inclined planes, when the grains cut by the materials fall onto the surfaces of the inclined plates 501, the grains are relatively uniform, the materials cannot be blocked in the blanking process and can also fall uniformly, the inclined plates 501 in the two cooling mechanisms 5 are connected on the left side wall and the right side wall of the grain cutting box 1 in an inclined and layered mode, so that the materials can be blanked and cooled in an inclined and layered mode, the cooling uniformity of the materials is further improved, the cooling mechanisms 5 cool the materials mainly through the semiconductor refrigeration sheets 508 arranged in the cooling box 506, the refrigeration surfaces of the semiconductor refrigeration sheets 508 are in contact with the cooling fins 509, further, the small fans 510 can bring the cold air into the cooling groove 503 through the connecting pipe 511, and the large fans 512 are started, the material cooling device blows cold air out through the air vents 505, and cools the material falling from the surface of the inclined plate 501, the material cooling device comprises an inclined plate 501, the inclined plate 501 is obliquely connected to the inner side wall of the granulating box 1, a placing groove 502 is arranged at the top of the inclined plate 501, the shapes and the sizes of the placing groove 502 and the cooling plate 504 are consistent, the tight connection between the cooling plate 504 and the placing groove 502 can be ensured, a cooling groove 503 is arranged on the inner bottom wall of the placing groove 502, the diameter of the vertical inner wall of the placing groove 502 is one third of the diameter of the vertical inner wall of the cooling groove 503, the air vents 505 formed in the cooling plate 504 are uniformly distributed right above the cooling groove 503, so that the cold air in the inclined plate 501 can cool the material, the aperture of the air vents 505 formed in the cooling plate 504 is smaller than the size of the material granules, and the material cut granules can be effectively prevented from falling into the inclined plate 501, the inner bottom wall of the placing groove 502 is provided with a cooling plate 504, the top of the cooling plate 504 is provided with an air vent 505 communicated with the placing groove 502, the bottom of the inclined plate 501 is connected with a cooling box 506, the inner wall of the cooling box 506 is connected with a PCB 507, a semiconductor refrigerating sheet 508, a radiating fin 509 and a small fan 510 are sequentially arranged in front of the PCB 507, the PCB 507 is respectively and electrically connected with the semiconductor refrigerating sheet 508, the small fan 510 and a large fan 512, the PCB 507 is mainly used for controlling the semiconductor refrigerating sheet 508, the small fan 510 and the large fan 512 respectively, one side of the cooling box 506 is communicated with a connecting pipe 511, the other end of the connecting pipe 511 extends to the inside of the cooling groove 503, the inner bottom wall of the cooling groove 503 is connected with the large fan 512, and the top of the grain cutting box 1 is provided with a cooling mechanism 6.

As shown in fig. 1-2, in some embodiments, the top of the cooling plate 504 and the top of the inclined plate 501 are in the same horizontal line, the top of the cooling plate 504 is connected with a limiting iron block 513 through a rotating shaft, the limiting iron block 513 can rotate freely on the surface of the cooling plate 504 through the rotating shaft, when the cooling plate 504 needs to be limited, the limiting iron block 513 is rotated to the position of the magnet 515, the cooling plate 504 is fixed in the placing groove 502 through the magnetic adsorption property of the magnet 515 and the limiting iron block 513, when the interior of the inclined plate 501 needs to be overhauled, the limiting iron block 513 is rotated to the surface of the cooling plate 504, after the magnet 515 is disengaged, the cooling plate 504 can be opened, and the interior of the inclined plate 501 can be overhauled, the top of the inclined plate 501 is provided with a limiting groove 514, and the inner wall of the limiting groove 514 is connected with the magnet 515, the magnet 515 is installed in the inner bottom wall of the limiting groove 514, in order to ensure that the bottom of the limiting iron block 513 and the surface of the inclined plate 501 keep the same horizontal line when the magnet 515 and the limiting iron block 513 are adsorbed, a certain attractive appearance between the cooling plate 504 and the inclined plate 501 can be ensured, and the magnet 515 is used for magnetically adsorbing the limiting iron block 513.

As shown in fig. 3, in some embodiments, a semiconductor chilling plate 508, a heat sink 509 and a small fan 510 are respectively connected to the inner wall of the cooling box 506, the semiconductor chilling plate 508 has a characteristic that one end is chilled and the other end is heated, the chilling surface of the semiconductor chilling plate 508 is in contact with the heat sink 509, then the small fan 510 connected to one side of the heat sink 509 can bring cold air into the cooling tank 503 through a connecting pipe 511, and a large fan 512 is started to blow out cold air through an air vent 505 to cool down the material falling on the surface of the inclined plate 501, one side of the semiconductor chilling plate 508 is connected to one side of the heat sink 509, and one side of the heat sink 509 is connected to one side of the small fan 510.

As shown in fig. 4, in some embodiments, the cooling mechanism 6 includes a fan fixing frame 601, the inside of the fan fixing frame 601 is hollow and is communicated with the inside of the dicing case 1, and the fan fixing frame 601 is located at the top of the dicing case 1 and exactly corresponds to the extruder 2 head and the cutter 4 inside the dicing case 1, which aims to perform primary cooling on the material extruded from the extruder 2 head and the cutter 4 simultaneously, so as to avoid the material extruded at high temperature from adhering to the surface of the cutter 4, and further affect the dicing efficiency of the cutter 4, the bottom of the fan fixing frame 601 is connected to the top of the dicing case 1, the inside of the fan fixing frame 601 is communicated with the inside of the dicing case 1, a cooling fan 602 is installed inside the fan fixing frame 601 and the surface of the cooling fan 602 is connected with a filter screen 603, and the filter screen 603 is connected to the inner wall of the fan fixing frame 601.

As shown in fig. 6, in some embodiments, the bottom of grain cutting box 1 is connected with base supporting table 7, base supporting table 7 can play the support to grain cutting box 1, and the unique design between base supporting table 7 and grain cutting box 1, it is also more convenient to carry the material, mounting groove 8 has been seted up to base supporting table 7's inside, the inside of mounting groove 8 is equipped with the conveyer belt 9 that is used for carrying the material, conveyer belt 9 mainly used carries the material of the inside whereabouts of grain cutting box 1, then the material of conveyer belt 9 surface transport can be followed and discharged in the lower flitch 11 of conveyer belt 9 one side, baffle box 10 with mounting groove 8 intercommunication is seted up at base supporting table 7's top, one side of base supporting table 7 is equipped with lower flitch 11 with mounting groove 8 intercommunication.

As shown in fig. 1 and 5, in some embodiments, the bottom of the grain cutting box 1 is open and vertically disposed downward, and the bottom of the grain cutting box 1 is open and communicated with a guide chute 10 formed at the top of the base support table 7, so that the grain cutting box can be connected with the guide chute 10, and the material can fall into the conveyor belt 9 through the inclined surface of the inclined plate 501, mainly for blanking, and the bottom of the grain cutting box 1 is communicated with the inside of the guide chute 10.

As shown in fig. 5, in some embodiments, there is a box door 12 for opening or closing the grain cutting box 1 on the surface of the grain cutting box 1 through a hinge, the box door 12 is arranged on the surface of the grain cutting box 1, it is more convenient to overhaul or clean the inside of the grain cutting box 1 in the later period, the surface of the box door 12 is provided with a transparent window and a transparent window for observing the inside of the grain cutting box 1, the observation window can observe the internal working condition of the grain cutting box 1, the surface of the box door 12 is connected with a handle for opening or closing the box door 12, the handle is arranged on the surface of the box door 12, so that the box door 12 can be conveniently opened or closed, and certain convenience can be achieved.

As shown in fig. 1, in some embodiments, the inner top wall of the grain cutting box 1 is connected with a connecting rod, the bottom end of the connecting rod is connected with a U-shaped plate, and through the arrangement of the connecting rod and the U-shaped plate, the connecting rod is mainly used for limiting the surface of the head of the extruder 2 to a certain extent, so as to ensure that the extruder 2 is stable in operation, and the inner wall of the U-shaped plate is connected with the surface of the head of the extruder 2.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a thermoplastic elastomer sky hot-cutting aggregate cooling device, includes pelleter case (1), its characterized in that: one side of the pelletizing box (1) is connected with an extruder (2), the head of the extruder (2) extends to the inside of the pelletizing box (1), the other side of the pelletizing box (1) is connected with a servo motor (3) and the output end of the servo motor (3) is connected with a cutter (4), the cutter (4) is positioned in front of the head of the extruder (2), the inner side wall of the pelletizing box (1) is provided with a cooling mechanism (5), the cooling mechanism (5) comprises an inclined plate (501), the inclined plate (501) is obliquely connected to the inner side wall of the pelletizing box (1), the top of the inclined plate (501) is provided with a placing groove (502), the inner bottom wall of the placing groove (502) is provided with a cooling groove (503), the inner bottom wall of the placing groove (502) is provided with a cooling plate (504), the top of the cooling plate (504) is provided with air holes (505) communicated with the placing groove (502), the bottom of hang plate (501) is connected with cooler bin (506), the inner wall of cooler bin (506) is connected with PCB board (507), the place ahead of PCB board (507) is equipped with semiconductor refrigeration piece (508), fin (509) and little fan (510) in proper order, one side intercommunication of cooler bin (506) has connecting pipe (511), the other end of connecting pipe (511) extends to the inside of cooling bath (503), the interior diapire of cooling bath (503) is connected with big fan (512), the top of cutting grain case (1) is equipped with cooling mechanism (6).

2. The apparatus for cooling thermoplastic elastomer airborne hot cut pellets as claimed in claim 1, wherein: the top of cooling plate (504) is same water flat line with the top of hang plate (501), the top of cooling plate (504) is connected with spacing iron plate (513) through the pivot, the inner wall that the top of hang plate (501) was equipped with spacing groove (514) and spacing groove (514) is connected with magnet (515), magnet (515) are used for spacing iron plate (513) magnetic adsorption.

3. The apparatus for cooling thermoplastic elastomer airborne hot cut pellets as claimed in claim 1, wherein: semiconductor refrigeration piece (508), fin (509) and little fan (510) are connected with the inner wall of cooling box (506) respectively, one side of semiconductor refrigeration piece (508) is connected with one side of fin (509), one side of fin (509) is connected with one side of little fan (510).

4. The apparatus for cooling thermoplastic elastomer airborne hot cut pellets as claimed in claim 1, wherein: cooling mechanism (6) are including fan mount (601), the top at pelletizing case (1) is connected to the bottom of fan mount (601), the inside of fan mount (601) and the inside intercommunication of pelletizing case (1), the internally mounted of fan mount (601) has radiator fan (602) and radiator fan (602)'s surface to be connected with filter screen (603), filter screen (603) are connected in the inner wall of fan mount (601).

5. The apparatus for cooling thermoplastic elastomer airborne hot cut pellets as claimed in claim 1, wherein: the bottom of grain cutting case (1) is connected with base supporting bench (7), mounting groove (8) have been seted up to the inside of base supporting bench (7), the inside of mounting groove (8) is equipped with conveyer belt (9) that are used for carrying the material, baffle box (10) with mounting groove (8) intercommunication are seted up at the top of base supporting bench (7), one side of base supporting bench (7) is equipped with flitch (11) down with mounting groove (8) intercommunication.

6. The apparatus for cooling thermoplastic elastomer airborne hot cut pellets as claimed in claim 5, wherein: the bottom of the pelletizing box (1) is vertically arranged downwards, and the bottom of the pelletizing box (1) is communicated with the inside of the guide chute (10).

7. The apparatus for cooling thermoplastic elastomer airborne hot cut pellets as claimed in claim 1, wherein: the surface of pelleter case (1) has chamber door (12) that is used for pelleter case (1) to open or close through hinge connection, the surface of chamber door (12) is equipped with transparent window and is used for observing the inside of pelleter case (1), the surface of chamber door (12) is connected with the handle that is used for chamber door (12) to open or close.

8. The apparatus for cooling thermoplastic elastomer airborne hot cut pellets as claimed in claim 1, wherein: the inner top wall of the pelletizing box (1) is connected with a connecting rod, the bottom end of the connecting rod is connected with a U-shaped plate, and the inner wall of the U-shaped plate is connected with the surface of the machine head of the extruder (2).