CN220242078U - Be applied to colored drying device of TPU foaming bead - Google Patents
Be applied to colored drying device of TPU foaming bead Download PDFInfo
- Publication number
- CN220242078U CN220242078U CN202321580387.3U CN202321580387U CN220242078U CN 220242078 U CN220242078 U CN 220242078U CN 202321580387 U CN202321580387 U CN 202321580387U CN 220242078 U CN220242078 U CN 220242078U
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- drying
- foaming
- drying cylinder
- foaming beads
- tpu
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- 238000001035 drying Methods 0.000 title claims abstract description 86
- 239000011324 bead Substances 0.000 title claims abstract description 82
- 238000005187 foaming Methods 0.000 title claims abstract description 68
- 238000004040 coloring Methods 0.000 claims abstract description 15
- 238000007664 blowing Methods 0.000 claims abstract description 14
- 238000012856 packing Methods 0.000 claims description 4
- 239000006260 foam Substances 0.000 claims description 3
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 23
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 23
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000004970 Chain extender Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920005906 polyester polyol Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The utility model discloses a drying device applied to TPU foaming bead coloring, which comprises a drying cylinder provided with a cover plate and a heater, and also comprises a conveying pipe provided with an auger, wherein an inclined cover is fixedly arranged at the port of the conveying pipe, a plurality of blowing pipes are communicated with the drying cylinder, and the blowing pipes face the end parts of the inclined cover. According to the drying device applied to TPU foaming bead coloring, the foaming beads fall to the bottom of the drying cylinder again along the inclined cover, so that the foaming beads move in a free falling manner to increase the contact surface with air, and the falling foaming beads are uniformly dried by the heater; meanwhile, the blowing pipe blows hot air upwards and acts on the foaming beads, so that the lighter foaming beads hover briefly and do not influence the falling, the foaming beads are dried by the hot air generated by the heater due to longer time and larger air contact surface, and the uniform drying work of the foaming beads is realized.
Description
Technical Field
The utility model relates to the technical field of TPU foaming bead coloring and drying, in particular to a drying device applied to TPU foaming bead coloring.
Background
TPU foaming beads are foaming materials produced by taking thermoplastic polyurethane elastomer rubber as a material, and are commonly used as production raw materials in the aspects of articles for daily use, sports goods, toys and the like, the TPU foaming beads need to be dyed in the processing process, and the foaming beads are dried through a drying device after being dyed, so that the surface of the foaming beads is effectively colored.
According to publication (bulletin) No.: CN106009028A, publication (date): 2016-10-12, discloses a method for preparing a colored or bicolor TPU expanded bead bonded molding, which comprises the following steps: (1) mixing isocyanate formed by the component A, a chain extender, water, a catalyst and a cell regulator with polyether polyol and polyester polyol formed by the component B at a high speed in a mixing chamber to obtain a PU prepolymer; (2) injecting the PU prepolymer into a mixing chamber containing TPU foaming particles, mixing at high speed, and quantitatively injecting the PU prepolymer into a die through a melt pump; (3) closing the mould, and placing the mould in a circulating drying tunnel for heating and curing; (4) opening the mold, taking out the bonding molded body material, and placing the bonding molded body material in a drying chamber for further curing; the pigment is added into the component A in the step (1) or the TPU expanded particles are colorful TPU expanded particles.
According to publication (bulletin) No.: CN210732920U, publication (date): 2020-06-12 discloses a drying device for coloring of TPU (thermoplastic polyurethane) foaming beads, which comprises a drying box, wherein four supporting feet are symmetrically and fixedly arranged at the bottom end of the drying box, four supporting rods are symmetrically and fixedly arranged at one ends of the drying box far away from the four supporting feet, a top plate is fixedly arranged at one ends of the four supporting rods far away from the drying box together, an air cylinder is fixedly arranged at one end of the top plate close to the drying box, a top cover is arranged at the output end of the air cylinder, a fan is fixedly arranged at one end of the top cover close to the drying box, a heater is arranged at one end of the top cover close to the drying box, and a stirring mechanism is arranged at one end of the top cover close to the drying box.
In the prior art including the above patent, because the TPU foaming beads are generally stacked in the tank or the box during the drying process and are dried under the action of the heating device, but the interior of the TPU foaming beads stacked with each other is not easy to be dried relative to the exterior, when the interior of the TPU foaming beads needs to be dried for a long time to achieve the drying effect, the exterior of the TPU foaming beads is easily damaged by the dry cracking and hot melting after being dried for a long time, thereby influencing the processing of the TPU foaming beads.
Disclosure of Invention
The utility model aims to provide a drying device applied to TPU foaming beads coloring, which solves the problem that TPU foaming beads piled in a box body or a groove body are unevenly dried by heating equipment.
In order to achieve the above object, the present utility model provides the following technical solutions: the drying device applied to TPU foaming bead coloring comprises a drying cylinder provided with a cover plate and a heater, and also comprises a conveying pipe provided with a packing auger, wherein an inclined cover is fixedly arranged at the port of the conveying pipe;
the drying cylinder is communicated with a plurality of blowpipes, and the blowpipes face the end parts of the inclined hoods.
Preferably, a plurality of sloping plates are fixedly arranged at the end part of the sloping cover, and a containing cavity formed between the sloping plates and the sloping cover faces the heater;
the included angle between the inclined plate and the inclined cover is specifically 120-180 degrees.
Preferably, the drying cylinder is provided with a first exhaust hole and a second exhaust hole, and the second exhaust hole is arranged at the bottom of the drying cylinder;
the blowpipe is matched with the first exhaust hole and the second exhaust hole respectively.
Preferably, the conveying pipe is provided with a feeding port, and the feeding port is communicated with the drying cylinder.
Preferably, a driving motor is fixedly arranged at the bottom of the drying cylinder, and the auger is fixedly arranged at the output end of the driving motor.
Preferably, the drying cylinder is fixedly provided with an air supply pipeline, and a plurality of blowing pipes are communicated with the air supply pipeline.
In the technical scheme, the drying device applied to TPU foaming bead coloring provided by the utility model has the following beneficial effects: the foaming beads at the bottom of the drying cylinder are lifted to the port at the top of the conveying pipe under the action of the auger, and fall to the bottom of the drying cylinder again along the inclined cover, so that the foaming beads move in a free falling manner to increase the contact surface with air, and the heater is used for uniformly drying the falling foaming beads; meanwhile, the blowing pipe blows hot air upwards and acts on the foaming beads, so that the lighter foaming beads hover briefly and do not influence the falling, the foaming beads are dried by the hot air generated by the heater due to longer time and larger air contact surface, and the uniform drying work of the foaming beads is realized.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
Fig. 1 is a schematic structural diagram of a dryer according to an embodiment of the present utility model;
fig. 2 is a schematic diagram of a front cross-sectional structure of a drying cylinder and an air supply pipeline according to an embodiment of the present utility model;
fig. 3 is an enlarged schematic view of the structure at a in fig. 2.
Reference numerals illustrate:
1. a drying cylinder; 11. a cover plate; 12. a heater; 21. a delivery tube; 211. a feed inlet; 22. an auger; 221. a driving motor; 23. an inclined cover; 24. a sloping plate; 25. an air supply pipe; 251. a blowing pipe; 252. a first exhaust hole; 253. and a second exhaust hole.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1-3, a drying device applied to coloring TPU foaming beads comprises a drying cylinder 1 provided with a cover plate 11 and a heater 12, and also comprises a conveying pipe 21 provided with a packing auger 22, wherein an inclined cover 23 is fixedly arranged at the port of the conveying pipe 21;
the drying cylinder 1 is provided with a plurality of blowpipes 251 in communication, and the blowpipes 251 are directed to the end of the chute cover 23.
Specifically, as shown in fig. 1, 2 and 3, a cover plate 11 is hinged to the top opening of the drying drum 1, and a heater 12 is fixed on the cover plate 11; the auger 22 circumferentially rotates and sets up in stoving section of thick bamboo 1 bottom, and auger 22 is in conveyer pipe 21, and auger 22 is prior art, and details are omitted here, and TPU foaming bead after stoving in the stoving section of thick bamboo 1 can follow the discharging pipe of stoving section of thick bamboo 1 bottom and discharge, and is provided with the valve on the discharging pipe, and discharging pipe and valve are prior art, and details are omitted here. The foaming beads at the bottom of the drying cylinder 1 are lifted to the port at the top of the conveying pipe 21 under the action of the auger 22, and fall to the bottom of the drying cylinder 1 again along the inclined cover 23, so that the foaming beads move in a free falling manner to increase the contact surface with air, and the heater 12 is used for uniformly drying the fallen foaming beads; simultaneously, the blowing pipe 251 blows hot air upwards and acts on the foaming beads, so that the lighter foaming beads hover briefly without affecting the falling, the foaming beads are dried by the hot air generated by the heater 12 with longer time and larger air contact surface, and the uniform drying work of the foaming beads is realized.
As a further provided embodiment of the present utility model, a plurality of sloping plates 24 are fixedly mounted at the end of the sloping cover 23, and the cavity formed between the sloping plates 24 and the sloping cover 23 faces the heater 12;
the included angle between the inclined plate 24 and the inclined cover 23 is specifically 120-180 degrees.
Specifically, as shown in fig. 2 and 3, a torsion spring is disposed between the inclined plate 24 and the inclined cover 23, and in a default state, an included angle between the inclined plate 24 and the inclined cover 23 is specifically 120 °, and an included angle between the inclined cover 23 and a horizontal plane is specifically 30 °. The expanded beads in the containing cavity formed between the inclined plate 24 and the inclined cover 23 are firstly subjected to drying treatment by the heater 12, after too many expanded beads are stacked in the containing cavity, the inclined plate 24 deflects and deforms along with the torsion spring, so that after the inclined plate 24 and the inclined cover 23 are kept parallel, the expanded beads in the containing cavity fall to the bottom of the drying cylinder 1, and simultaneously after the expanded beads in the containing cavity are reduced, the torsion spring recovers deformation and reduces the containing cavity, the quantity of the fallen expanded beads is different, so that the degree of the recovery deformation of the torsion spring is different, and when too many expanded beads fall, the torsion spring recovers the deformation state faster, so that the inclined plate 24 can spray the expanded beads in the containing cavity, and the expanded beads of Yang Sa and hot air in the drying cylinder 1 have larger contact surfaces, thereby improving the drying effect on the expanded beads.
As a further embodiment of the present utility model, the drying cylinder 1 is provided with a first air exhaust hole 252 and a second air exhaust hole 253, and the second air exhaust hole 253 is arranged at the bottom of the drying cylinder 1;
the blowing pipe 251 is respectively fitted with a first vent hole 252 and a second vent hole 253.
Specifically, as shown in fig. 2 and 3, a gap is further left between the auger 22 and the inner wall of the conveying pipe 21, so that the gap is communicated with the drying cylinder 1 and the second air outlet 253, a filter screen is arranged at the end of the blowing pipe 251, and the first air outlet 252 and the second air outlet 253 are both provided with filter screens, so that the foaming beads cannot be discharged. The blowing pipe 251 blows air from bottom to top, so that the air to be discharged is discharged from the plurality of first exhaust holes 252, and meanwhile, the hot air collected near the cover plate 11 is injected into the conveying pipe 21, so that the hot air in the conveying pipe 21 is blown into the gaps from top to bottom, and part of the hot air is discharged from the second exhaust holes 253, thereby realizing the additional drying effect of the opposite hot air on the foaming beads conveyed in the conveying pipe 21.
As another embodiment of the present utility model, the feeding pipe 21 is provided with a feeding port 211, and the feeding port 211 is communicated with the drying cylinder 1.
Specifically, as shown in fig. 2 and 3, the bottom section of the drying cylinder 1 is in a table shape. The foaming beads piled up at the bottom of the drying cylinder 1 are fed by the feeding hole 211 and are conveyed upwards under the action of the auger 22, so that the foaming beads are dried by more hot air and kept uniformly dried as much as possible, and the auger 22 can be repeatedly operated to improve the drying efficiency of the foaming beads.
As still another embodiment of the present utility model, a driving motor 221 is fixedly installed at the bottom of the drying cylinder 1, and the packing auger 22 is fixedly installed at the output end of the driving motor 221.
Specifically, as shown in fig. 2 and 3, the driving motor 221 is a prior art, and is not described herein. The auger 22 is driven to rotate by the driving motor 221 to lift the expanded beads in the delivery pipe 21.
As still another embodiment of the present utility model, the air supply pipe 25 is fixedly installed on the drying cylinder 1, and the plurality of blowpipes 251 are connected to the air supply pipe 25.
Specifically, as shown in fig. 2 and 3, the air supply duct 25 is provided on the side wall of the drying cylinder 1. The blowing pipes 251 are communicated with the air supply pipeline 25, so that a plurality of positions in the columnar drying cylinder 1 can be subjected to the action of uniformly diffused hot air as much as possible, and the drying effect on the foaming beads is improved.
Working principle: the auger 22 is driven to rotate by the operation of the driving motor 221, so that the foaming beads at the bottom of the drying cylinder 1 are lifted to the top port of the conveying pipe 21 under the action of the auger 22, and the foaming beads in the containing cavity formed between the inclined plate 24 and the inclined cover 23 are firstly subjected to drying treatment by the heater 12, after too many foaming beads are stacked in the containing cavity, the inclined plate 24 deflects and deforms along with the torsion spring, so that after the inclined plate 24 and the inclined cover 23 are kept parallel, the foaming beads in the containing cavity fall to the bottom of the drying cylinder 1, and meanwhile, after the foaming beads in the containing cavity are reduced, the torsion spring is recovered to deform and reduce the containing cavity, the quantity of the falling foaming beads is different, so that the degree of deformation of the torsion spring is different, when the falling foaming beads are too much, the recovery deformation state is quicker, so that the foaming beads in the containing cavity are subjected to the inclined plate 24 to the drying, the foaming beads in the containing cavity have larger contact surface with hot air in the drying cylinder 1, and the foaming beads in the inclined plate Yang Sa fall to the end of the inclined cover 23 and the end part 24 again to the bottom of the drying cylinder 1 to the free air, and the falling foam beads are uniformly contacted with the drying beads are heated to the bottom of the heater 12; simultaneously, the blowing pipe 251 blows hot air upwards and acts on the foaming beads, so that the lighter foaming beads hover briefly without affecting the falling, the foaming beads are dried by the hot air generated by the heater 12 with longer time and larger air contact surface, and the uniform drying work of the foaming beads is realized.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (6)
1. The drying device applied to TPU foaming bead coloring comprises a drying cylinder (1) provided with a cover plate (11) and a heater (12), and is characterized by further comprising a conveying pipe (21) provided with a packing auger (22), wherein an inclined cover (23) is fixedly arranged at the port of the conveying pipe (21);
the drying cylinder (1) is communicated with a plurality of blowpipes (251), and the blowpipes (251) face the end part of the inclined cover (23).
2. A drying device for coloring TPU foam beads according to claim 1, characterized in that a plurality of sloping plates (24) are fixedly installed at the end of the sloping cover (23), and the cavity formed between the sloping plates (24) and the sloping cover (23) faces the heater (12);
the included angle between the inclined plate (24) and the inclined cover (23) is specifically 120-180 degrees.
3. The drying device applied to coloring TPU foaming beads according to claim 1, wherein a first exhaust hole (252) and a second exhaust hole (253) are formed in the drying cylinder (1), and the second exhaust hole (253) is formed in the bottom of the drying cylinder (1);
the blowing pipe (251) is respectively matched with the first exhaust hole (252) and the second exhaust hole (253).
4. The drying device applied to coloring of TPU expanded beads according to claim 1, wherein a feed inlet (211) is formed in the conveying pipe (21), and the feed inlet (211) is communicated with the drying cylinder (1).
5. The drying device applied to coloring of TPU foaming beads according to claim 1 is characterized in that a driving motor (221) is fixedly arranged at the bottom of the drying cylinder (1), and the auger (22) is fixedly arranged at the output end of the driving motor (221).
6. A drying device for coloring TPU foam beads according to claim 1, characterized in that the drying cylinder (1) is fixedly provided with a wind supply pipeline (25), and a plurality of blowing pipes (251) are communicated with the wind supply pipeline (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321580387.3U CN220242078U (en) | 2023-06-20 | 2023-06-20 | Be applied to colored drying device of TPU foaming bead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321580387.3U CN220242078U (en) | 2023-06-20 | 2023-06-20 | Be applied to colored drying device of TPU foaming bead |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220242078U true CN220242078U (en) | 2023-12-26 |
Family
ID=89268917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321580387.3U Active CN220242078U (en) | 2023-06-20 | 2023-06-20 | Be applied to colored drying device of TPU foaming bead |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220242078U (en) |
-
2023
- 2023-06-20 CN CN202321580387.3U patent/CN220242078U/en active Active
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| GR01 | Patent grant |