CN203527730U - Circulating cooling device in bubble of film blowing machine - Google Patents
Circulating cooling device in bubble of film blowing machine Download PDFInfo
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- CN203527730U CN203527730U CN201320621089.4U CN201320621089U CN203527730U CN 203527730 U CN203527730 U CN 203527730U CN 201320621089 U CN201320621089 U CN 201320621089U CN 203527730 U CN203527730 U CN 203527730U
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- shell
- cooling back
- heat exchanger
- interior
- back installation
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Abstract
The utility model provides a circulating cooling device in a bubble of a film blowing machine. The device comprises a die head, an internal circulating cooling device, an external air ring and a control device, wherein the internal circulating cooling device comprises a cold source device, a heat exchanger, a shell with upper and lower openings, a fan and an internal cold air ring; an air outlet is formed in the internal cold air ring; the heat exchanger is fixed in the shell; the fan is arranged at the lower end of the shell and communicated with the cavity of the shell, and the lower end of the fan is connected with the upper end of the internal cold air ring; the other end of the internal cold air ring is fixedly connected with the die head; a gap between the internal cold air ring and the external air ring is a bubble passage; and the cold source device is communicated with the heat exchanger. By adopting the structure, heat is exchanged in a heat exchanger by a refrigerant of which the heat capacity is far more than that of air and brought away from the die head, so that the internal circulating cooling of air in the bubble can be realized, the cooling effect is improved, and the temperature in the bubble is kept smooth; the diameter of the bubble is monitored in real time by an ultrasonic sensor, the inflow rate of an air inlet pipe can be regulated automatically at any time; and a temperature control sensor is arranged to control operation of a refrigerant compressor.
Description
Technical field
The utility model relates to film cooling apparatus in a kind of extrusion blow molding film production equipment, and what be specifically related to is hydronic inflation film manufacturing machine film cooling apparatus in a kind of film bubble.
Background technology
Currently available technology, early stage inflation film adopts the cooling film of outer cold process, utilizes various vane design, such as common vane (single air port), windy one's intention as revealed in what one says ring, rotary vane, realizes the cooling of film bubble outside and plays styling.The interior cold process occurring is afterwards the once leap of inflation film technology, has greatly improved production efficiency and the suitable material scope of inflation film.Existing interior cold process has two kinds of methods: open type and enclosed.The cold wind of open type inner cold system enters film bubble by the passage in die head core rod, cooling film bubble inwall, and work to support film bubble; The gas being heated is by discharging with the coaxial pipeline of air inlet pipe.The heat exchanger output cold air of enclosed inner cold system enters film bubble by the passage in die head core rod, and the gas being heated, by discharging and enter heat exchanger and obtain coolingly with the coaxial pipeline of air inlet pipe, improves cooling effect, reaches the inside and outside cooling balance of film.
Existing inner-cooled film cooling apparatus, no matter be open type or enclosed, what adopt is all that high pressure positive blower, heat exchanger are arranged at die head outside, its ventilation duct design is subject to the restriction of die head size, the resistance of ducting is large, blower fan power consumption is high, and cooling effect is undesirable, affects the raising of output and the control of film thickness.
Summary of the invention
The purpose of this utility model is: the cooling back installation in a kind of inflation film manufacturing machine film bubble is provided, and it has, and cooling effectiveness is high, energy consumption is low, the feature of enhancing productivity.
The utility model is achieved in that the cooling back installation in a kind of inflation film manufacturing machine film bubble, comprise die head, interior cooling back installation, outer vane and control device, described outer vane is arranged on the front end of die head, outer vane is around interior cooling back installation, and the gap between outer vane and interior cooling back installation is film bubble passage; Its special character is: described interior cooling back installation comprises cold source device, heat exchanger, has the shell of upper and lower opening, blower fan and interior cold wind ring,
On described interior cold wind ring, there is air outlet;
Described heat exchanger is cylindrical, and heat exchanger is fixing in the enclosure;
Described blower fan is arranged on the lower end of shell and communicates with shell inner cavity, and the lower end of blower fan is connected with the upper end of interior cold wind ring; The other end of interior cold wind ring is fixedly connected with die head; Gap between interior cold wind ring and outer vane is film bubble passage;
Described cold source device is communicated with heat exchanger by pipeline.
Cooling back installation in described a kind of inflation film manufacturing machine film bubble, its special character is: described cold source device comprises the compressor of refrigeration system;
Or described cold source device comprises water tank and water pump, water tank and water pump are communicated with, and water tank and water pump are communicated with heat exchanger by pipeline respectively.
Cooling back installation in described a kind of inflation film manufacturing machine film bubble, its special character is: described pipeline inserts from axial one end of die head, the other end stretches out, then through interior cold wind ring, walks around blower fan and finally enter in shell.
Cooling back installation in described a kind of inflation film manufacturing machine film bubble, its special character is: also comprise a ultrasonic sensor and temperature sensor, described ultrasonic sensor is arranged on shell and with control device and is connected with temperature sensor.
Cooling back installation in described a kind of inflation film manufacturing machine film bubble, its special character is: the air outlet of described interior cold wind ring has several, the rounded distribution on interior cold wind ring of described air outlet; Described air outlet is distributed on several circles that interior cold wind annulate shaft makes progress.
Cooling back installation in a kind of inflation film manufacturing machine film bubble of the utility model, owing to adopting such structure, described interior cold wind ring, blower fan and heat exchanger are arranged in film bubble, heat is far longer than exchange zone in the refrigerant automatic heat-exchanger of air and goes out die head by thermal capacitance, realize air circulating cooling in film bubble, improve cooling effect, kept the interior temperature of film bubble steady; And have ultrasonic sensor to monitor in real time vesicle diameter, automatically regulate at any time the air inflow of air inlet pipe; Dispose temperature control sensor, control the operation of cold medium compressor (pump).
Accompanying drawing explanation
Fig. 1 is cutaway view of the present utility model.
Fig. 2 is office's cutaway view of the utility model the second embodiment.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
Embodiment 1
As shown in Figure 1, cooling back installation in a kind of inflation film manufacturing machine film bubble, comprise die head 1, interior cooling back installation 2, outer vane 3 and control device, described outer vane 3 is arranged on the front end of die head 1, outer vane 3 is around interior cooling back installation 2, and the gap between outer vane 3 and interior cooling back installation 2 is film bubble passage; Described interior cooling back installation 2 comprises cold source device 4, heat exchanger 5, has the shell 6 of upper and lower opening, blower fan 7 and interior cold wind ring 8, and described cold source device 4 comprises the compressor of refrigeration system.Described heat exchanger 5 plays evaporimeter in refrigeration system.
On described interior cold wind ring 8, there are several air outlets 81, the rounded distribution on interior cold wind ring 8 of described air outlet 81; Described air outlet 8 is distributed on interior cold wind ring 8 several circles on axially; In the present embodiment, air outlet 8 is distributed with on three circles.On described air outlet 8, be arranged on nozzle.
Described heat exchanger 5 is cylindrical, and heat exchanger 5 is fixed in shell 6;
Described blower fan 7 is arranged on the lower end of shell 6 and communicates with shell 6 inner chambers, and the lower end of blower fan 7 is connected with the upper end of interior cold wind ring 8; The other end of interior cold wind ring 8 is fixedly connected with die head 1; Gap between interior cold wind ring 8 and outer vane 3 is film bubble passage.
Described compressor is communicated with heat exchanger 5 by pipeline 9.
Described pipeline 9 inserts from axial one end of die head 1, the other end stretches out, then through interior cold wind ring 8, walks around blower fan 7 and enter in shell 6.
Also comprise a ultrasonic sensor and temperature sensor, described ultrasonic sensor is arranged on shell 6 and with control device and is connected with temperature sensor.
In Fig. 1, the 10th, film bubble; In the course of the work, interior cooling back installation 2 is positioned at film bubble 10, film bubble 10 is stretched out in the film bubble passage between outer vane 3 and interior cooling back installation 2, hot-air in film bubble 10 enters through the upper shed of shell 6, after cooling with heat exchanger 5 heat exchange, become after Cryogenic air, through the air outlet 81 of interior cold wind ring 8, blow to the base portion of film bubble 10; And rising, cooling film bubble 10 inwalls.Heated air in film bubble 10 enters through the upper end of shell 6 again under axial flow blower 7 effects, through cooling with heat exchanger 5 heat exchange.
Embodiment 2
As shown in Figure 2, described cold source device 4 comprises water tank 41 and water pump 42, and water tank 41 and water pump 42 are communicated with, and water tank 41 and water pump 42 are communicated with heat exchanger 5 by pipeline 9 respectively.
Above-described is only preferential embodiment of the present utility model.It should be pointed out that for the person of ordinary skill of the art, in the situation that not departing from the utility model principle, can also make some improvement and modification, this is also considered as protection domain of the present utility model.
Claims (6)
1. the cooling back installation in an inflation film manufacturing machine film bubble, comprise die head, interior cooling back installation, outer vane and control device, described outer vane is arranged on the front end of die head, and outer vane is around interior cooling back installation, and the gap between outer vane and interior cooling back installation is film bubble passage; It is characterized in that: described interior cooling back installation comprises cold source device, heat exchanger, has the shell of upper and lower opening, blower fan and interior cold wind ring,
On described interior cold wind ring, there is air outlet;
Described heat exchanger is cylindrical, and heat exchanger is fixing in the enclosure;
Described blower fan is arranged on the lower end of shell and communicates with shell inner cavity, and the lower end of blower fan is connected with the upper end of interior cold wind ring; The other end of interior cold wind ring is fixedly connected with die head; Gap between interior cold wind ring and outer vane is film bubble passage;
Described cold source device is communicated with heat exchanger by pipeline.
2. the cooling back installation in a kind of inflation film manufacturing machine film bubble according to claim 1, is characterized in that: described pipeline inserts from axial one end of die head, the other end stretches out, then through interior cold wind ring, walks around blower fan and finally enter in shell.
3. the cooling back installation in a kind of inflation film manufacturing machine film bubble according to claim 1 and 2, is characterized in that: described cold source device comprises the compressor of refrigeration system;
Or described cold source device comprises water tank and water pump, water tank and water pump are communicated with, and water tank and water pump are communicated with heat exchanger by pipeline respectively.
4. the cooling back installation in a kind of inflation film manufacturing machine film bubble according to claim 1 and 2, is characterized in that: also comprise a ultrasonic sensor and temperature sensor, described ultrasonic sensor is arranged on shell and with control device and is connected with temperature sensor.
5. the cooling back installation in a kind of inflation film manufacturing machine film bubble according to claim 3, is characterized in that: also comprise a ultrasonic sensor and temperature sensor, described ultrasonic sensor is arranged on shell and with control device and is connected with temperature sensor.
6. the cooling back installation in a kind of inflation film manufacturing machine film bubble according to claim 3, is characterized in that: the air outlet of described interior cold wind ring has several, the rounded distribution on interior cold wind ring of described air outlet; Described air outlet is distributed on several circles that interior cold wind annulate shaft makes progress.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320621089.4U CN203527730U (en) | 2013-10-10 | 2013-10-10 | Circulating cooling device in bubble of film blowing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320621089.4U CN203527730U (en) | 2013-10-10 | 2013-10-10 | Circulating cooling device in bubble of film blowing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203527730U true CN203527730U (en) | 2014-04-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320621089.4U Expired - Fee Related CN203527730U (en) | 2013-10-10 | 2013-10-10 | Circulating cooling device in bubble of film blowing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203527730U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105415551A (en) * | 2015-12-10 | 2016-03-23 | 华南理工大学 | Blown film inner and outer airflow collaborative cooling method and device based on chimney effect |
| CN105415550A (en) * | 2015-12-10 | 2016-03-23 | 华南理工大学 | Blown film cooling method and device based on air source dynamic distribution |
| CN105946211A (en) * | 2016-06-23 | 2016-09-21 | 浙江汇锋薄膜科技有限公司 | Improved PVC membrane blowing machine |
| CN106985314A (en) * | 2017-03-16 | 2017-07-28 | 延安大学 | A kind of vane cooling system and its operating method |
| CN109605720A (en) * | 2018-04-21 | 2019-04-12 | 广东金明精机股份有限公司 | Plastic film blowing machine inner-cooling structure |
-
2013
- 2013-10-10 CN CN201320621089.4U patent/CN203527730U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105415551A (en) * | 2015-12-10 | 2016-03-23 | 华南理工大学 | Blown film inner and outer airflow collaborative cooling method and device based on chimney effect |
| CN105415550A (en) * | 2015-12-10 | 2016-03-23 | 华南理工大学 | Blown film cooling method and device based on air source dynamic distribution |
| CN105415550B (en) * | 2015-12-10 | 2018-06-19 | 华南理工大学 | A kind of method and device of inflation film cooling dynamically distributed based on wind regime |
| CN105946211A (en) * | 2016-06-23 | 2016-09-21 | 浙江汇锋薄膜科技有限公司 | Improved PVC membrane blowing machine |
| CN106985314A (en) * | 2017-03-16 | 2017-07-28 | 延安大学 | A kind of vane cooling system and its operating method |
| CN109605720A (en) * | 2018-04-21 | 2019-04-12 | 广东金明精机股份有限公司 | Plastic film blowing machine inner-cooling structure |
| CN109605720B (en) * | 2018-04-21 | 2020-11-03 | 广东金明精机股份有限公司 | Inner cooling structure of plastic film blowing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20181010 |
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| CF01 | Termination of patent right due to non-payment of annual fee |