CN207028170U - A kind of new blown film film head of inflation film manufacturing machine - Google Patents
A kind of new blown film film head of inflation film manufacturing machine Download PDFInfo
- Publication number
- CN207028170U CN207028170U CN201720664123.4U CN201720664123U CN207028170U CN 207028170 U CN207028170 U CN 207028170U CN 201720664123 U CN201720664123 U CN 201720664123U CN 207028170 U CN207028170 U CN 207028170U
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- CN
- China
- Prior art keywords
- film
- runner
- cylinder
- blown
- head
- 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.)
- Expired - Fee Related
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- Extrusion Moulding Of Plastics Or The Like (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
The utility model belongs to plastic sheeting production technical field, and in particular to a kind of new blown film film head of inflation film manufacturing machine.The utility model solves the problems, such as that film head runner is long in the prior art, wide causes the inadequate uniform and smooth of film, quality and yield not high.The utility model mainly includes film cylinder, film mouth and film core, middle part is provided with charging aperture below described film cylinder, air inlet is provided with the lateral wall of film cylinder, ramification point is provided with above described charging aperture, blown film runner is formed between ramification point and film core, it is connected with described film core and is provided with merging part, it is connected with merging part and is provided with dashpot, sizing section is provided with described dashpot, what the vertical height of described blown film runner accounted for film cylinder height 1/3rd arrives half, the diameter of described blown film runner accounts for a quarter of film cylinder diameter to 1/3rd.
Description
Technical field
The utility model belongs to plastic sheeting production technical field, and in particular to a kind of new blown film film head of inflation film manufacturing machine.
Background technology
Inflation film manufacturing machine is the special purpose machinery that plastic pellet heating and melting is blown out to film again.Its operation principle is：By extruder
Plastic pellet is heated, extrude after melt, then by film head be extruded with compressed air blow out membrane tube, then by film head
The pressure roller of side is pressed into film, is then wound again.The quality of film blowout depends on the structure of inflation film manufacturing machine film head, therefore blown film
Structural requirement of the machine manufacturer for blown film head in R＆D process is very high, but in general inflation film manufacturing machine film head blows in the market
The problem of inadequate uniform and smooth, film quality and not high yield occurs in the film gone out, and the source of these problems is exactly to come from
The structure of inflation film manufacturing machine film head is not reasonable, as runner it is long, it is wide etc. caused by.
The content of the invention
It is of the present utility model mainly for film head runner in the prior art it is long, it is wide cause the inadequate uniform and smooth of film,
The problem of quality and not high yield, there is provided a kind of new blown film film head of inflation film manufacturing machine, the quality and yield of film can be improved.
Above-mentioned technical problem of the present utility model is carried out by the following technical programs：
A kind of new blown film film head of inflation film manufacturing machine, including film cylinder, film mouth and film core, described film cylinder lower section middle part are set
Be equipped with charging aperture, air inlet be provided with the lateral wall of film cylinder, be provided with ramification point above described charging aperture, ramification point and
Blown film runner is formed between film core, is connected with described film core and is provided with merging part, be connected with merging part and be provided with dashpot, institute
Be provided with sizing section on the dashpot stated, the vertical height of described blown film runner account for film cylinder height 1 to two/3rds/
One, the diameter of described blown film runner accounts for a quarter of film cylinder diameter to 1/3rd.The vertical height of blown film runner is set
It is set to 1/3rd of film cylinder height and arrives half, the diameter of blown film runner sets a quarter of film forming cylinder diameter to three points
One of, the length and width of runner is substantially reduced, so as to reduce runner wall surface area, the melt holdup time is reduced, reduces mould
Internal pressure loss, melt is unlikely to burning and form fisheye and runner line, ensure film quality, improve yield.
Preferably, adjusting screw is provided with the lateral wall of described film cylinder, for adjusting the uniformity of film thickness.
Preferably, the vertical height of described blown film runner accounts for the half of film cylinder height.
Preferably, the diameter of described blown film runner accounts for a quarter of film cylinder diameter.
In summary, the utility model compared with prior art, has advantageous effect in that：The utility model plastics melt
Body stream does not have weld mark in film head, and film head pressure is big, and the thin film physicses mechanical property of blowout is good, and film head is easy for installation, firm
It is durable.The utility model shortens the length and width of blown film runner, so as to reduce runner wall surface area, when reducing melt delay
Between, cavity pressure loss is reduced, melt is unlikely to burning and forms fisheye and runner line, ensure film quality, improve yield.
Brief description of the drawings
Fig. 1 is sectional view of the present utility model.
In figure marked as：1st, film cylinder, 2, film mouth, 3, film core, 4, charging aperture, 5, air inlet, 6, ramification point, 7, blown film stream
Road, 8, merging part, 9, dashpot, 10, sizing section, 11, adjusting screw.
Embodiment
Below by embodiment, with reference to accompanying drawing, the technical solution of the utility model is described in further detail：
Embodiment：As shown in figure 1, a kind of new blown film film head of inflation film manufacturing machine, including film cylinder 1, film mouth 2 and film core 3, it is described
Film cylinder below middle part be provided with charging aperture 4, air inlet 5 is provided with the lateral wall of film cylinder, on described charging aperture
Side is provided with ramification point 6, and blown film runner 7 is formed between ramification point and film core, is connected with described film core and is provided with merging part 8,
It is connected with merging part and is provided with dashpot 9, sizing section 10, the vertical height of described blown film runner is provided with described dashpot
Degree accounts for the half of film cylinder height, and the diameter of described blown film runner accounts for a quarter of film cylinder diameter.Described film cylinder
Set on lateral wall and also have adjusting screw 11.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any change or replacement expected without creative work, should all cover within the scope of protection of the utility model.
Therefore, the scope of protection of the utility model should be determined by the scope of protection defined in the claims.
Claims (4)
1. a kind of new blown film film head of inflation film manufacturing machine, including film cylinder (1), film mouth (2) and film core (3), below described film cylinder in
Between position be provided with charging aperture (4), air inlet (5) is provided with the lateral wall of film cylinder, it is characterised in that in described charging aperture
Top is provided with ramification point (6), and blown film runner (7) is formed between ramification point and film core, is connected with described film core and is provided with conjunction
Stream portion (8), it is connected with merging part and is provided with dashpot (9), sizing section (10), described blown film is provided with described dashpot
The vertical height of runner accounts for 1/3rd of film cylinder height and arrives half, and the diameter of described blown film runner accounts for film cylinder diameter
A quarter is to 1/3rd.
2. the new blown film film head of inflation film manufacturing machine according to claim 1, it is characterised in that on the lateral wall of described film cylinder
It is provided with adjusting screw (11).
3. the new blown film film head of inflation film manufacturing machine according to claim 1, it is characterised in that described blown film runner it is vertical
Highly account for the half of film cylinder height.
4. the new blown film film head of inflation film manufacturing machine according to claim 1, it is characterised in that the diameter of described blown film runner
Account for a quarter of film cylinder diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720664123.4U CN207028170U (en) | 2017-06-08 | 2017-06-08 | A kind of new blown film film head of inflation film manufacturing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720664123.4U CN207028170U (en) | 2017-06-08 | 2017-06-08 | A kind of new blown film film head of inflation film manufacturing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207028170U true CN207028170U (en) | 2018-02-23 |
Family
ID=61471316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720664123.4U Expired - Fee Related CN207028170U (en) | 2017-06-08 | 2017-06-08 | A kind of new blown film film head of inflation film manufacturing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207028170U (en) |
-
2017
- 2017-06-08 CN CN201720664123.4U patent/CN207028170U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180223 Termination date: 20210608 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |