CN216635371U - Three bubble method inflation film manufacturing machines - Google Patents
Three bubble method inflation film manufacturing machines Download PDFInfo
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- CN216635371U CN216635371U CN202123120712.1U CN202123120712U CN216635371U CN 216635371 U CN216635371 U CN 216635371U CN 202123120712 U CN202123120712 U CN 202123120712U CN 216635371 U CN216635371 U CN 216635371U
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Abstract
A three-bubble method film blowing machine comprises an extruder and a die which are extruded to form a die blank, and further comprises a vacuum pump, a sizing sleeve and a cooling device which are matched for carrying out primary blowing on the die blank, wherein the cooling device is used for cooling the die blank after the primary blowing; the film blowing machine further comprises a cold and hot roller set for performing tertiary blowing on the mold blank, and a deviation correcting device and a winding device for sequentially correcting and winding the mold blank. According to the utility model, a larger transverse shrinkage rate can be obtained through the arrangement, and the mould blank is subjected to three times of blowing, so that the physical properties of the formed film are improved.
Description
Technical Field
The utility model relates to a film blowing machine, in particular to a three-bubble film blowing machine.
Background
The film blowing machine is a plastic film processing device, which heats and melts plastic particles and then blows the plastic particles into a film. The film blowing machine for the heat shrinkable film formed by the two-time forming method in the prior art comprises an extruder, a die, a wind ring and the like, wherein after a die blank formed by extrusion is subjected to blowing processing, a finished plastic film is rolled into a cylinder under the action of a traction mechanism.
In addition, the triple bubble processing method can achieve a larger transverse shrinkage ratio. Therefore, a film blowing machine suitable for the three-bubble processing method needs to be designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a three-bubble film blowing machine which can obtain larger transverse shrinkage rate, blow a die blank for three times and improve the physical properties of a formed film.
The three-bubble film blowing machine designed according to the purpose comprises an extruder and a die which are extruded to form a die blank, and further comprises a vacuum pump, a sizing sleeve and a cooling device which are matched for carrying out primary blowing on the die blank, wherein the cooling device is used for cooling the die blank after the primary blowing; the film blowing machine further comprises a cold-hot roller set for carrying out tertiary blowing on the mold blank, and a deviation correcting device and a winding device for sequentially carrying out deviation correcting and winding on the mold blank.
The three-bubble film blowing machine further comprises an air ring connected with the hot oven forming process, and a first traction mechanism is arranged between the air ring and the hot oven.
The air ring is of a hollow structure connected with a plurality of air inlet pipes, and the inner wall of the air ring is provided with an air outlet communicated with the air inlet pipes.
A foam stabilizing frame is arranged above the air ring, a first lifting traction mechanism and a second traction mechanism are arranged between the foam stabilizing frame and the cold and hot roller set, and the mold blank enters the cold and hot roller set through the first lifting traction mechanism and the second traction mechanism.
And a third traction mechanism is arranged between the cold and hot roller group and the deviation correcting device, and the first lifting traction mechanism, the second traction mechanism and the third traction mechanism all comprise more than one traction roller.
The cold and hot roller group comprises an electromagnetic induction heating roller and a cooling roller provided with a cooling liquid flow passage, or a hot runner entering into a heating liquid is arranged on the heating roller of the cold and hot roller group.
A vacuum water tank is arranged below the die, and a sizing sleeve is arranged inside the vacuum water tank.
The cooling device is a shower nozzle arranged in the vacuum water tank; or the cooling device is a water ring provided with a cooling flow passage, the cold water tank is positioned below the water ring, and a second lifting traction mechanism is arranged between the cold water tank and the water ring.
The second lifting traction mechanism comprises more than one traction roller.
The deviation correcting device and the winding device comprise a plurality of traction aluminum rollers, the winding device further comprises a winding shaft roller rotatably arranged on the winding device, and the formed film is moved to the winding shaft roller along the traction aluminum rollers of the winding device to be wound.
The utility model has the following beneficial effects:
the larger transverse shrinkage rate can be obtained by a three-bubble method, and the mould blank is blown for three times, so that the physical properties of the formed film are improved.
Drawings
Fig. 1 is a schematic layout structure of a three-bubble film blowing machine according to an embodiment of the present invention.
Detailed Description
The utility model is further described with reference to the following figures and examples.
Referring to fig. 1, a three-bubble inflation film manufacturing machine comprises an extruder 1 and a mold 2 for forming a mold blank by extrusion, and further comprises a vacuum pump, a sizing sleeve and a cooling device 3 for cooling the mold blank after the first inflation, wherein the vacuum pump, the sizing sleeve and the cooling device are matched to inflate the mold blank for the first time, and the inflation film manufacturing machine is sequentially provided with a cold water tank 4, a hot water tank 5 and a hot oven 6 for performing the second inflation on the mold blank in the direction of the rear process section of the cooling device 3; the film blowing machine further comprises a cold-hot roller set 7 for carrying out tertiary blowing on the mold blank, and a deviation rectifying device 8 and a winding device 9 for sequentially rectifying and winding the mold blank.
In the present embodiment, the extruder 1 is equipped with a screw, a speed reducer, a motor, and a hopper. The hopper can be connected with a feeding machine.
The three-bubble film blowing machine further comprises an air ring 10 connected with the hot oven 6 in a forming process, and a first traction mechanism is arranged between the air ring 10 and the hot oven 6.
The air ring 10 is a hollow structure connected with a plurality of air inlet pipes, and an air outlet communicated with the air inlet pipes is formed in the inner wall of the air ring 10.
A foam stabilizing frame 11 is arranged above the air ring 10, a first lifting traction mechanism 12 and a second traction mechanism 13 are arranged between the foam stabilizing frame 11 and the cold-hot roller group 7, and the mold blank enters the cold-hot roller group 7 through the first lifting traction mechanism 12 and the second traction mechanism 13.
A third traction mechanism is arranged between the cold and hot roller group 7 and the deviation correcting device 8, and the first lifting traction mechanism 12, the second traction mechanism 13 and the third traction mechanism all comprise more than one traction roller.
The cold and hot roller group 7 comprises an electromagnetic induction heating roller and a cooling roller provided with a cooling liquid flow passage, and the cooling liquid flow passage is used for introducing cold water; or, a hot runner for entering the heating liquid is arranged on the heating roller of the cold-hot roller group 7, and the hot runner is used for introducing hot water.
In this embodiment, the cold and hot roller sets 7 are arranged in an upper and a lower roller sets, and the upper roller set introduces hot water and the lower roller set introduces cold water.
A vacuum water tank is arranged below the die 2, and a sizing sleeve is arranged inside the vacuum water tank.
The cooling device 3 is a shower nozzle arranged in the vacuum water tank; or the cooling device 3 is a water ring provided with a cooling flow passage, the cold water tank 4 is positioned below the water ring, and a second lifting traction mechanism 14 is arranged between the two parts.
The second lifting traction mechanism 14 includes more than one traction roller.
The specific work flow is as follows:
extruding machine 1 → mould 2 → extruding to form mould blank, adsorbing the outer wall of the mould blank on the inner wall of the vacuum sizing copper sleeve by a vacuum pump (first inflation) → water flow channel of water ring or shower nozzle cooling the mould blank → the mould blank is lifted and pulled → enters into cold water tank 4 and hot water tank 5 → enters into hot oven 6 by conveying and pulling → hot air of hot oven 6 carries out second inflation to the mould blank → the mould blank blown for the second time is pulled and enters into the hollow part of air ring-then is lifted and pulled for the second time → cold and hot roller set carries out cooling and shaping (third inflation) → deviation correction → rolling.
The foregoing is a preferred embodiment of the present invention, and the basic principles, principal features and advantages of the utility model are shown and described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, and the utility model is intended to be protected by the following claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a three bubble method inflation film manufacturing machines, is including extruding extruder (1), mould (2) that form the mould embryo, its characterized in that: the device also comprises a vacuum pump, a sizing sleeve and a cooling device (3) which are matched with the vacuum pump for carrying out primary blowing on the die blank, and the cooling device is used for cooling the die blank after the primary blowing, wherein a cold water tank (4), a hot water tank (5) and a hot oven (6) for carrying out secondary blowing on the die blank are sequentially arranged on the film blowing machine in the direction of the working procedure rear section of the cooling device (3); the film blowing machine further comprises a cold-hot roller set (7) for carrying out tertiary blowing on the mold blank, and a deviation rectifying device (8) and a winding device (9) for sequentially rectifying and winding the mold blank.
2. The three-bubble film blowing machine according to claim 1, characterized in that: the hot-air drying oven further comprises an air ring (10) connected with the hot-air drying oven (6) in a forming process, and a first traction mechanism is arranged between the air ring (10) and the hot-air drying oven (6).
3. The three-bubble film blowing machine according to claim 2, characterized in that: the air ring (10) is of a hollow structure connected with a plurality of air inlet pipes, and an air outlet communicated with the air inlet pipes is formed in the inner wall of the air ring (10).
4. The three-bubble film blowing machine according to claim 2, characterized in that: a foam stabilizing frame (11) is arranged above the air ring (10), a first lifting traction mechanism (12) and a second traction mechanism (13) are arranged between the foam stabilizing frame (11) and the cold-hot roller set (7), and the mold blank enters the cold-hot roller set (7) through the first lifting traction mechanism (12) and the second traction mechanism (13).
5. The three-bubble film blowing machine according to claim 4, characterized in that: a third traction mechanism is arranged between the cold and hot roller group (7) and the deviation correcting device (8), and the first lifting traction mechanism (12), the second traction mechanism (13) and the third traction mechanism all comprise more than one traction roller.
6. The three-bubble film blowing machine according to claim 4, characterized in that: the cold and hot roller group (7) comprises an electromagnetic induction heating roller and a cooling roller provided with a cooling liquid flow channel; or a hot runner for entering the heating liquid is arranged on the heating roller of the cold-hot roller group (7).
7. The three-bubble film blowing machine according to claim 1, characterized in that: a vacuum water tank is arranged below the die (2), and a sizing sleeve is arranged inside the vacuum water tank.
8. The three-bubble film blowing machine according to claim 7, characterized in that: the cooling device (3) is a shower nozzle arranged in the vacuum water tank; or the cooling device (3) is a water ring provided with a cooling flow passage, the cold water tank (4) is positioned below the water ring, and a second lifting traction mechanism (14) is arranged between the cold water tank and the water ring.
9. The three-bubble film blowing machine according to claim 8, characterized in that: the second lifting traction mechanism (14) comprises more than one traction roller.
10. The three-bubble film blowing machine according to any one of claims 1 to 9, characterized in that: deviation correcting device (8) and coiling mechanism (9) all include that a plurality of pulls aluminium roller (15), and coiling mechanism (9) still including rotating the winding arbor roller that sets up on coiling mechanism (9), and the film after the shaping moves to the winding arbor roller along pulling aluminium roller (15) of coiling mechanism (9) and carries out the rolling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123120712.1U CN216635371U (en) | 2021-12-13 | 2021-12-13 | Three bubble method inflation film manufacturing machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123120712.1U CN216635371U (en) | 2021-12-13 | 2021-12-13 | Three bubble method inflation film manufacturing machines |
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| Publication Number | Publication Date |
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| CN216635371U true CN216635371U (en) | 2022-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123120712.1U Active CN216635371U (en) | 2021-12-13 | 2021-12-13 | Three bubble method inflation film manufacturing machines |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115056397A (en) * | 2022-07-13 | 2022-09-16 | 河间市精诚塑业有限公司 | Film blowing machine |
| CN116160669A (en) * | 2023-03-23 | 2023-05-26 | 江苏新鲁新材料科技有限公司 | Polyethylene film blowing machine |
| CN117698093A (en) * | 2024-02-06 | 2024-03-15 | 洛阳兴瑞新型膜材料有限公司 | Film blank cooling forming process |
| CN116160669B (en) * | 2023-03-23 | 2024-05-10 | 江苏新鲁新材料科技有限公司 | Polyethylene film blowing machine |
-
2021
- 2021-12-13 CN CN202123120712.1U patent/CN216635371U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115056397A (en) * | 2022-07-13 | 2022-09-16 | 河间市精诚塑业有限公司 | Film blowing machine |
| CN116160669A (en) * | 2023-03-23 | 2023-05-26 | 江苏新鲁新材料科技有限公司 | Polyethylene film blowing machine |
| CN116160669B (en) * | 2023-03-23 | 2024-05-10 | 江苏新鲁新材料科技有限公司 | Polyethylene film blowing machine |
| CN117698093A (en) * | 2024-02-06 | 2024-03-15 | 洛阳兴瑞新型膜材料有限公司 | Film blank cooling forming process |
| CN117698093B (en) * | 2024-02-06 | 2024-05-03 | 洛阳兴瑞新型膜材料有限公司 | Film blank cooling forming process |
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