CN107009604A - The secondary blown film mechanism of PVC heat shrink films making apparatus - Google Patents
The secondary blown film mechanism of PVC heat shrink films making apparatus Download PDFInfo
- Publication number
- CN107009604A CN107009604A CN201610057946.0A CN201610057946A CN107009604A CN 107009604 A CN107009604 A CN 107009604A CN 201610057946 A CN201610057946 A CN 201610057946A CN 107009604 A CN107009604 A CN 107009604A
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- CN
- China
- Prior art keywords
- blown film
- film
- baking oven
- vane
- cooling vane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/28—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
The present invention relates to a kind of secondary blown film mechanism of PVC heat shrink films making apparatus.Described blown film mechanism includes the first blown film component and the second blown film component being sequentially connected, the first described blown film component includes the vane being sequentially connected, first film bubble, first collapser, first carry-over pinch rolls, the second described blown film component includes the second carry-over pinch rolls, far infrared heater, baking oven, second film bubble, assisted heating device, upper cooling vane, lower cooling vane, foam-stabilizing device and the second collapser, described far infrared heater is arranged on baking oven top, described assisted heating device is arranged on baking oven inwall, described baking oven bottom sets upper cooling vane and lower cooling vane, the second described film bubble both sides are provided with multiple foam-stabilizing devices.Compact conformation of the present invention, small film thickness difference, uniform coloring, film good mechanical property, Film shrinkage control are accurate.
Description
Technical field
The present invention relates to a kind of PVC heat shrink films making apparatus, more particularly to a kind of secondary blown film mechanism of PVC heat shrink films making apparatus.
Background technology
The shrinkage factor of PVC heat shrink films, convergent force are moderate, and transparency is good, excellent in mechanical performance, and cost performance is high, is widely used in the packaging of the commodity such as daily chemical products, electronic apparatus, plastic cement hardware, glass ceramics.It not only has good protective effect to packing material, but also makes commodity profile more distinct attractive in appearance, lifts commodity packaging class, is current comparatively ideal film based packaging material.
PVC heat shrink films molding mode can be classified as two major classes, that is, be blow molded（Secondary inflation）Shaping and calendering（Curtain coating）Drawing and forming.Blow molding, process equipment is simple, reduced investment, and the film variety renovation produced flexibly, is more suitable for the processing of general shrink wrap material.Calendering（Curtain coating）Drawing and forming mode, processing is fine, and film product wide cut is big, thickness good evenness, but equipment is more, long flow path, and investment is big, and operating cost is high.
The content of the invention
The present invention controls the accurate secondary blown film mechanism of PVC heat shrink films making apparatus to solve problem above there is provided a kind of compact conformation, small film thickness difference, uniform coloring, film good mechanical property, Film shrinkage.
The technical scheme is that：Described blown film mechanism includes the first blown film component and the second blown film component being sequentially connected, the first described blown film component includes the vane being sequentially connected, first film bubble, first collapser, first carry-over pinch rolls, the second described blown film component includes the second carry-over pinch rolls, far infrared heater, baking oven, second film bubble, assisted heating device, upper cooling vane, lower cooling vane, foam-stabilizing device and the second collapser, described far infrared heater is arranged on baking oven top, described assisted heating device is arranged on baking oven inwall, described baking oven bottom sets upper cooling vane and lower cooling vane, the second described film bubble both sides are provided with multiple foam-stabilizing devices.
Compact conformation of the present invention, small film thickness difference, uniform coloring, film good mechanical property, Film shrinkage control are accurate.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
1 is vane in figure, and 2 be the first film bubble, and 3 be the first collapser, and 4 be the first carry-over pinch rolls, and 5 be deflector roll, 6 be the second carry-over pinch rolls, and 7 be far infrared heater, and 8 be assisted heating device, and 9 be upper cooling vane, 10 be lower cooling vane, and 11 be foam-stabilizing device, and 12 be the second collapser, and 13 be the second film bubble.
Embodiment
The secondary blown film mechanism of PVC heat shrink films making apparatus, described blown film mechanism includes the first blown film component and the second blown film component being sequentially connected, the first described blown film component includes the vane 1 being sequentially connected, first film bubble 2, first collapser 3, first carry-over pinch rolls 4, the second described blown film component includes the second carry-over pinch rolls 6, far infrared heater 7, baking oven, second film bubble 13, assisted heating device 8, upper cooling vane 9, lower cooling vane 10, the collapser 12 of foam-stabilizing device 11 and second, described far infrared heater 7 is arranged on baking oven top, described assisted heating device 8 is arranged on baking oven inwall, described baking oven bottom sets upper cooling vane 9 and lower cooling vane 10, the described both sides of the second film bubble 13 are provided with multiple foam-stabilizing devices 11.
Claims (1)
- The secondary blown film mechanism of 1.PVC heat shrink films making apparatus, it is characterised in that：Described blown film mechanism includes the first blown film component and the second blown film component being sequentially connected, the first described blown film component includes the vane being sequentially connected, first film bubble, first collapser, first carry-over pinch rolls, the second described blown film component includes the second carry-over pinch rolls, far infrared heater, baking oven, second film bubble, assisted heating device, upper cooling vane, lower cooling vane, foam-stabilizing device and the second collapser, described far infrared heater is arranged on baking oven top, described assisted heating device is arranged on baking oven inwall, described baking oven bottom sets upper cooling vane and lower cooling vane, the second described film bubble both sides are provided with multiple foam-stabilizing devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610057946.0A CN107009604A (en) | 2016-01-28 | 2016-01-28 | The secondary blown film mechanism of PVC heat shrink films making apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610057946.0A CN107009604A (en) | 2016-01-28 | 2016-01-28 | The secondary blown film mechanism of PVC heat shrink films making apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107009604A true CN107009604A (en) | 2017-08-04 |
Family
ID=59438591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610057946.0A Pending CN107009604A (en) | 2016-01-28 | 2016-01-28 | The secondary blown film mechanism of PVC heat shrink films making apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107009604A (en) |
-
2016
- 2016-01-28 CN CN201610057946.0A patent/CN107009604A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170804 |
|
| WD01 | Invention patent application deemed withdrawn after publication |