CN220313938U - Cooling mechanism for unidirectional stretching production of PET (polyethylene terephthalate) cast film - Google Patents
Cooling mechanism for unidirectional stretching production of PET (polyethylene terephthalate) cast film Download PDFInfo
- Publication number
- CN220313938U CN220313938U CN202321934250.3U CN202321934250U CN220313938U CN 220313938 U CN220313938 U CN 220313938U CN 202321934250 U CN202321934250 U CN 202321934250U CN 220313938 U CN220313938 U CN 220313938U
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- Prior art keywords
- cooling
- pet
- connecting pipe
- box
- unidirectional stretching
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- 238000001816 cooling Methods 0.000 title claims abstract description 57
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 229920000139 polyethylene terephthalate Polymers 0.000 title description 28
- 239000005020 polyethylene terephthalate Substances 0.000 title description 28
- -1 polyethylene terephthalate Polymers 0.000 title description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000003860 storage Methods 0.000 claims abstract description 12
- 238000007766 curtain coating Methods 0.000 claims description 8
- 241000883990 Flabellum Species 0.000 claims description 7
- 238000005266 casting Methods 0.000 abstract description 17
- 239000002826 coolant Substances 0.000 abstract description 14
- 230000001681 protective effect Effects 0.000 description 3
- 229920002799 BoPET Polymers 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920006280 packaging film Polymers 0.000 description 1
- 239000012785 packaging film Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Landscapes
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
The utility model discloses a cooling mechanism for unidirectional stretching production of a PET casting film, which comprises a box body, wherein two cooling rollers are rotatably connected in the box body through bearings, two ends of each cooling roller are hermetically and rotatably connected with a shell, a storage box is arranged at the bottom of the box body, the front surface of the storage box is communicated with a first connecting pipe, the other end of the first connecting pipe is communicated with a water pump, a user can enable the PET casting film to pass through the rotating rollers to be in contact with the cooling rollers, then the water pump is started to pump cooling medium into the cooling rollers through the first connecting pipe and a three-way pipe, then the cooling medium flows back into the storage box through a second connecting pipe, so that the cooling medium can rapidly cool the PET casting film through the cooling rollers, the user can start a motor, and the motor drives fan blades to rotate, and then the fan blades air-cool the PET casting film, and therefore the cooling efficiency of the device can be effectively improved.
Description
Technical Field
The utility model belongs to the technical field of film production, and particularly relates to a cooling mechanism for unidirectional stretching production of a PET (polyethylene terephthalate) cast film.
Background
The PET film is a packaging film with relatively comprehensive performance. The transparent glass has good transparency and luster; has good air tightness and fragrance retention; moisture resistance is moderate and moisture permeability decreases at low temperatures. The mechanical properties of the PET film are excellent, the toughness is the best in all thermoplastics, and the tensile strength and the impact strength are much higher than those of the common film; and the strength is good, the size is stable, and the printing paper bag is suitable for secondary processing such as printing paper bags.
At present, the utility model of China with the publication number of CN217514384U discloses a cooling mechanism for unidirectional stretching production of PET casting films, which comprises a cooling roller body, wherein a water inlet and a water outlet are respectively arranged at two ends of the cooling roller body, a water inlet pipe is inwards extended at one end of the water inlet of the cooling roller body, a plurality of groups of spray heads distributed in a surrounding shape are uniformly arranged outside the water inlet pipe, an inner cylinder is arranged inside the cooling roller body, the inner cylinder is sleeved outside the water inlet pipe, a plurality of annular partition plates are uniformly arranged in the space between the outer wall of the water inlet pipe and the inner wall of the inner cylinder, the annular partition plates are positioned at the middle point position between each group of spray heads, a plurality of liquid outlet holes are formed in the surface of the inner cylinder, and a cooling cavity is formed in the space between the outer wall of the inner cylinder and the inner wall of the cooling roller body. This cooling mechanism for unidirectional stretching production of PET curtain coating film can make the cooling water more even carry out whole cooling to the chill roll, improves refrigerated effect to guarantee the quality of finished product.
However, the existing cooling mechanism for unidirectional stretching production of the PET casting film is inconvenient for rapidly cooling the PET casting film, and meanwhile cooling efficiency of the cooling mechanism cannot be effectively improved.
Disclosure of Invention
The utility model aims to provide a cooling mechanism for unidirectional stretching production of a PET (polyethylene terephthalate) cast film, which aims to solve the problems of the background art.
The technical aim of the utility model is realized by the following technical scheme: the utility model provides a cooling body is used in unidirectional stretching production of PET curtain coating film, includes the box, the inside of box is connected with two chill rolls through the bearing rotation, the both ends of chill roll are all sealed to rotate and are connected with the casing, the bottom of box is provided with the bin, the front intercommunication of bin has first connecting pipe, the other end intercommunication of first connecting pipe has the water pump, the top intercommunication of water pump has the three-way pipe, the other end and the casing intercommunication of three-way pipe, the back intercommunication of casing has the second connecting pipe, the other end and the bin intercommunication of second connecting pipe, the top bolt of box has the barrel, the inside of barrel is provided with the motor, the output bolt of motor has the flabellum.
The technical scheme is adopted: the user can pass the live-action roller with PET curtain coating film and make contact with the chill roll, starts the water pump and draws in the inside of chill roll with coolant through first connecting pipe and three-way pipe afterwards, then coolant flows back to the inside of bin through the second connecting pipe, makes coolant pass through the chill roll and carries out quick cooling to the PET curtain coating film, and the user can start the motor, makes the motor drive the flabellum and rotates, makes the flabellum carry out the forced air cooling to the PET curtain coating film afterwards to can effectively improve the device cooling efficiency.
The utility model is further arranged that the inside of the box body is rotatably connected with a rotating roller through a bearing.
The technical scheme is adopted: through setting up the live-rollers, can effectively cooperate the PET curtain coating film to carry out ejection of compact feeding.
The utility model is further arranged that the two sides of the bottom of the box body are bolted with supporting legs, and the surfaces of the supporting legs are bolted with the storage box.
The technical scheme is adopted: through setting up the supporting leg, can effectively support the device.
The utility model is further arranged that the surface of the motor is bolted with a mounting rod, and the other end of the mounting rod is bolted with the cylinder body.
The technical scheme is adopted: through setting up the installation pole, can effectively install the motor.
The utility model is further characterized in that the top of the cylinder is provided with a protective net, and the bottom of the protective net is bolted with the cylinder.
The technical scheme is adopted: through setting up the protection network, can effectively protect the flabellum.
The utility model further provides that the interior of the cooling roller is hollow.
The technical scheme is adopted: by providing the cooling roller, the cooling medium can be effectively stored.
In summary, the utility model has the following beneficial effects:
1. the user can pass the PET casting film through the rotating roller to be in contact with the cooling roller, then the water pump is started to pump cooling medium into the cooling roller through the first connecting pipe and the three-way pipe, and then the cooling medium flows back into the storage box through the second connecting pipe, so that the cooling medium can rapidly cool the PET casting film through the cooling roller;
2. the user can start the motor, makes the motor drive the flabellum and rotates, makes the flabellum carry out the forced air cooling to PET curtain coating film afterwards to can effectively improve the device cooling efficiency.
Drawings
FIG. 1 is a schematic perspective view of the structure of the present utility model;
fig. 2 is an exploded view of the structure of the present utility model.
Reference numerals: 1. a case; 2. a cooling roller; 3. a housing; 4. a storage tank; 5. a first connection pipe; 6. a water pump; 7. a three-way pipe; 8. a second connection pipe; 9. a cylinder; 10. a motor; 11. a fan blade; 12. a rotating roller; 13. support legs; 14. a mounting rod; 15. and a protective net.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
Example 1:
referring to fig. 1 and 2, a cooling mechanism for unidirectional stretching production of a PET casting film, which comprises a box body 1, the inside of the box body 1 is rotationally connected with two cooling rollers 2 through bearings, two ends of each cooling roller 2 are respectively and hermetically connected with a shell 3, the bottom of the box body 1 is provided with a storage box 4, the front of the storage box 4 is communicated with a first connecting pipe 5, the other end of the first connecting pipe 5 is communicated with a water pump 6, the top of the water pump 6 is communicated with a three-way pipe 7, the other end of the three-way pipe 7 is communicated with the shell 3, the back of the shell 3 is communicated with a second connecting pipe 8, the other end of the second connecting pipe 8 is communicated with the storage box 4, a user can contact the PET casting film with the cooling rollers 2 through rotating rollers 12, then the water pump 6 is started to suck cooling media into the inside of the cooling rollers 2 through the first connecting pipe 5 and the three-way pipe 7, and then the cooling media flow back to the inside of the storage box 4 through the second connecting pipe 8, so that the cooling media can rapidly cool the PET casting film through the cooling rollers 2.
Referring to fig. 1, a rotating roller 12 is rotatably connected to the inside of a case 1 through a bearing, and by providing the rotating roller 12, discharge and feed can be performed by effectively matching with a PET casting film.
Referring to fig. 1, support legs 13 are bolted to both sides of the bottom of the case 1, and the surface of the support legs 13 is bolted to the storage case 4, so that the device can be effectively supported by providing the support legs 13.
Referring to fig. 1, the surface of the motor 10 is bolted with a mounting rod 14, the other end of the mounting rod 14 is bolted with the cylinder 9, and the motor 10 can be mounted effectively by providing the mounting rod 14.
The use process is briefly described: the user can pass the PET casting film through the live-action roller 12 and contact with the chill roll 2, then starts water pump 6 and draws cooling medium into the inside of chill roll 2 through first connecting pipe 5 and tee bend pipe 7, then cooling medium flows back to the inside of bin 4 through second connecting pipe 8, makes cooling medium cool off fast to the PET casting film through chill roll 2.
Example 2:
referring to fig. 1 and 2, a cylinder 9 is bolted to the top of the box 1, a motor 10 is arranged in the cylinder 9, a fan blade 11 is bolted to the output end of the motor 10, a user can start the motor 10, the motor 10 drives the fan blade 11 to rotate, and then the fan blade 11 is used for air cooling of a PET casting film, so that the cooling efficiency of the device can be effectively improved.
Referring to fig. 1, a protection net 15 is arranged at the top of a cylinder 9, the bottom of the protection net 15 is bolted with the cylinder 9, and fan blades 11 can be effectively protected by arranging the protection net 15.
Referring to fig. 1, the inside of the cooling roller 2 is hollow, and by providing the cooling roller 2, the cooling medium can be effectively stored.
The use process is briefly described: the user can start the motor 10, so that the motor 10 drives the fan blades 11 to rotate, and then the fan blades 11 air-cool the PET casting film, so that the cooling efficiency of the device can be effectively improved.
The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.
Claims (6)
1. The utility model provides a PET curtain coating film unidirectional stretching cooling body for production, includes box (1), its characterized in that: the inside of box (1) is connected with two chill rolls (2) through the bearing rotation, the both ends of chill roll (2) are all sealed to rotate and are connected with casing (3), the bottom of box (1) is provided with bin (4), the front intercommunication of bin (4) has first connecting pipe (5), the other end intercommunication of first connecting pipe (5) has water pump (6), the top intercommunication of water pump (6) has three-way pipe (7), the other end and the casing (3) intercommunication of three-way pipe (7), the back intercommunication of casing (3) has second connecting pipe (8), the other end and the bin (4) intercommunication of second connecting pipe (8), the top bolt of box (1) has barrel (9), the inside of barrel (9) is provided with motor (10), the output of motor (10) is connected with flabellum (11).
2. The cooling mechanism for unidirectional stretching production of a PET cast film according to claim 1, wherein: the inside of the box body (1) is rotatably connected with a rotating roller (12) through a bearing.
3. The cooling mechanism for unidirectional stretching production of a PET cast film according to claim 1, wherein: both sides of the bottom of the box body (1) are respectively bolted with supporting legs (13), and the surfaces of the supporting legs (13) are bolted with the storage box (4).
4. The cooling mechanism for unidirectional stretching production of a PET cast film according to claim 1, wherein: the surface of the motor (10) is bolted with a mounting rod (14), and the other end of the mounting rod (14) is bolted with the cylinder body (9).
5. The cooling mechanism for unidirectional stretching production of a PET cast film according to claim 1, wherein: the top of barrel (9) is provided with protection network (15), the bottom of protection network (15) is bolted with barrel (9).
6. The cooling mechanism for unidirectional stretching production of a PET cast film according to claim 1, wherein: the inside of the cooling roller (2) is hollow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321934250.3U CN220313938U (en) | 2023-07-21 | 2023-07-21 | Cooling mechanism for unidirectional stretching production of PET (polyethylene terephthalate) cast film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321934250.3U CN220313938U (en) | 2023-07-21 | 2023-07-21 | Cooling mechanism for unidirectional stretching production of PET (polyethylene terephthalate) cast film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220313938U true CN220313938U (en) | 2024-01-09 |
Family
ID=89414107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321934250.3U Active CN220313938U (en) | 2023-07-21 | 2023-07-21 | Cooling mechanism for unidirectional stretching production of PET (polyethylene terephthalate) cast film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220313938U (en) |
-
2023
- 2023-07-21 CN CN202321934250.3U patent/CN220313938U/en active Active
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