CN102114705A - Film blowing device for highly-filled plastic films - Google Patents
Film blowing device for highly-filled plastic films Download PDFInfo
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- CN102114705A CN102114705A CN2009102478337A CN200910247833A CN102114705A CN 102114705 A CN102114705 A CN 102114705A CN 2009102478337 A CN2009102478337 A CN 2009102478337A CN 200910247833 A CN200910247833 A CN 200910247833A CN 102114705 A CN102114705 A CN 102114705A
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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 invention discloses a film blowing device for highly-filled plastic films, and the film blowing device comprises an extruder, a blow molding die head, a cooling device, a traction apparatus and a finished film rolling device, wherein the extruder has high plasticizing property; the cooling device is provided with a cooling vane and an internal cooling device; the traction apparatus is composed of a gable and a traction roller; meanwhile, the film blowing device also comprises a melt metering pump; and the high-plasticization extruder, the melt metering pump and the blow molding die head are sequentially connected in a same horizontal plane, the cooling vane is vertically arranged above the blow molding die head, the internal cooling device is also arranged above the blow molding die head, the traction apparatus is also arranged above the cooling device, and the finished film rolling device is arranged below one side of the traction apparatus and located opposite to the high-plasticization extruder. The film blowing device for highly-filled plastic films disclosed by the invention can be applied to plastic composites which are subjected to intensive mixing but not subjected to extrusion granulation so as to directly prepare films with high filler content through blowing.
Description
Technical field
The present invention relates to a kind of film device that is blow molded into that is used for high filled plastics film.
Background technology
Along with development of human society; the consumption of natural resources increases rapidly; the pollution of environment is outstanding day by day; the importance that economizes on resources with environmental protection highlights day by day; become one of inevitable top-priority problem in people's production, the life, the theory of environmental protection also is deep in people's the production and life gradually.
For adaptation economizes on resources and requirement on environmental protection, numerous effective measures have been taked in the plastic sheeting field in recent years, and Chu improves the intensity of plastic sheeting, the unit consumption of reduction film as adopting high-intensity resin and prescription; Screen ageing-resistant prescription, improve the service life of film; Carry out recycling work of discarded film or the like.Meanwhile, use inorganic powder filled manufacturing plastic sheeting in production, the research of application active development of plastic sheeting, to economize on resources; Applying starch film class organic filler exploitation degradable plastic film is subdued plastic sheeting also becomes the plastic sheeting aspect to the harm of natural environment focus work.The plastic sheeting that the compound that high filled plastics film is made up of macromolecule resin, heavy dose of filler and other auxiliary agents is blown, filler content wherein is 10%～60%.Because allocating into of a large amount of fillers, can improve the performance of plastic sheeting significantly, as improve rigidity, intensity, the hear resistance of film, give degradability etc., can reduce simultaneously the consumption of resin significantly, save non-renewable resources, reduce emission amount of carbon dioxide, help environmental protection work.But the blow moulding equipment of traditional plastic sheeting, adopting single screw extrusion machine is plasticizing, the kneading device of plastics, be limited to single screw extrusion machine plasticizing, melting effect deficiency, can't use the plastics compound of high filler content, directly make the plastic sheeting of superior in quality high filler content; Dispersion effect is good in order to make, the high filled plastics film of function admirable, adopt the method for passing through mixing, granulating working procedure in advance for a long time always, make after the high plastics PP Pipe Compound of filler content, produce the film of high filler content again with PP Pipe Compound blowing, perhaps make the masterbatch of superelevation filler content in advance, again the filler masterbatch is sneaked in the plastics, and then the method for blown film, produce the high plastic sheeting of filler.The preparation of PP Pipe Compound or masterbatch not only makes the cost of plastic sheeting rise, and reduces competitiveness of product, and need expend lot of energy, and is unfavorable in environmental protection.In sum, save the operation of production PP Pipe Compound and masterbatch, become problem demanding prompt solution in the high filler content class production of plastic film.
Summary of the invention
The objective of the invention is in order to overcome the deficiencies in the prior art, a kind of film device that is blow molded into that is used for high filled plastics film is provided, it can be used through abundant mixing and without the plastic composite of extruding pelletization, directly blow the film of high filler content.
Realize that the above-mentioned purpose technical scheme is: a kind of film device that is blow molded into that is used for high filled plastics film, comprise high plasticizing capacity extruder, blowing head, have the cooling device of cooling vane and interior cooling device, the draw-gear formed by collapser and carry-over pinch rolls and the wrap-up of finished film, the described film device that is blow molded into also comprises melt metering pump; Described high plasticizing extruder, melt metering pump and blowing head are connected on same horizontal plane successively, described cooling vane vertically places the top of blowing head, cooling device also places the top of described blowing head in described, described draw-gear is located at the top of cooling device, and described wrap-up is located at a side-lower of draw-gear and is positioned at the other side of described high plasticizing extruder.
The above-mentioned film device that is blow molded into that is used for high filled plastics film, wherein, the extruder of described high plasticizing capacity is a multi-screw extruder.
The above-mentioned film device that is blow molded into that is used for high filled plastics film, wherein, described multi-screw extruder is double screw extruder or three-screw extruder, three screw rods of this three-screw extruder can be arranged in parallel, isosceles triangle is arranged, and described screw rod can be the monoblock type screw-rod structure, also can be the assembled screw rod structure.
The above-mentioned film device that is blow molded into that is used for high filled plastics film, wherein, described multi-screw extruder is provided with some vacuum vent holes.
The above-mentioned film device that is blow molded into that is used for high filled plastics film, wherein, described melt metering pump is high-precision gear type Melt Pump.
The above-mentioned film device that is blow molded into that is used for high filled plastics film, wherein, described blowing head can be a single layer die, also can be multi-layer co-extruded die head.
The above-mentioned film device that is blow molded into that is used for high filled plastics film, wherein, described blowing head adopts the screw-type feeding structure, also can adopt axle formula feeding structure.
The above-mentioned film device that is blow molded into that is used for high filled plastics film, wherein, described cooling device can be an air-cooling device, also can be that air-cooling device adds water-cooled chiller again.
The above-mentioned film device that is blow molded into that is used for high filled plastics film, wherein, the vane in the described air-cooling device can be singly to seal vane, also can be two air ports vane of two air port vanes or band restrictor ring.
The above-mentioned film device that is blow molded into that is used for high filled plastics film, wherein, described wrap-up can be fixed wrap-up, also can be rotary wrap-up.
The technical scheme that is blow molded into film device that is used for high filled plastics film of the present invention, by plasticizing, the multi-screw extruder that melting effect is superior and the combination of melt metering pump, improve the mixing of extruder effectively, plasticizing effect, improved the stability of blowing head discharging significantly, guaranteed the longitudinal uniformity of film thickness, make the plastic compound of filling content through abundant mixing without the height of extruding pelletization, do not carrying out under the situation of extruding pelletization, be directly used in blown film, thereby realize simplifying production process, conserve energy expends, reduce the purpose of the production cost of film.
Description of drawings
Fig. 1 is the structural representation that is used for a kind of embodiment that is blow molded into film device of high filled plastics film of the present invention;
Fig. 2 is the structural representation that is used for the another kind of embodiment that is blow molded into film device of high filled plastics film of the present invention.
The specific embodiment
In order to understand being described in detail and in conjunction with the accompanying drawings better to technical scheme of the present invention below by specific embodiment.
See also Fig. 1, a kind of film device that is blow molded into that is used for high filled plastics film of the present invention comprises high plasticizing, mixing bar extruder 1, melt metering pump 2, blowing head 3, cooling device 4, draw-gear 5 and wrap-up 6, wherein,
High plasticizing extruder 1, melt metering pump 2 and blowing head 3 are connected on same horizontal plane successively;
Cooling device 4 comprises cooling vane 41 and interior cooling device 42, and cooling vane 41 vertically places the top of blowing head 3, is in during blowing outside the film periosteum; Interior cooling device 42 also places the top of blowing head 3, is in during blowing within the film periosteum;
Draw-gear 5 comprises collapser 51 and carry-over pinch rolls 52, and it is located at the top of cooling device 4;
Wrap-up 6 is located at a side-lower of draw-gear 5 and is positioned at the other side of high plasticizing extruder 1;
Through the periosteum 7 of cooling device 4 coolings, entering carry-over pinch rolls 52, import film rolling device 6 again through behind the collapser 51, be wound into the finished film volume.
Above-mentioned high plasticizing extruder 1 is a multi-screw extruder, and preferably three-screw extruder or screw rod number surpass the multi-screw extruder of three screw rods; This three-screw extruder can be parallel three-screw extruder, also can be the three-screw extruder that isosceles triangle is arranged; Can be the monoblock type screw-rod structure, also can be the assembled screw rod structure; For obtaining good melting effect, select for use to have the screw rod of sufficiently long draw ratio, the draw ratio of preferred screw rod was at 20: 1～48: 1; For the needs of steam and other low molecular compound in the adaptation eliminating plastic composite, can on three-screw extruder, offer some vacuum vent holes in addition; The multi-screw extruder that surpasses three screw rods can adopt star-arrangement;
Melt metering pump 2 is high-precision gear type Melt Pump, and it has accurate conveying capacity;
Blowing head 3 can be a single layer die, also can be multi-layer co-extruded die head, to adapt to the needs of manufacture order layer film and multi-layer compound film; Blowing head 3 adopts the screw-type feeding structure, also can adopt axle formula feeding structure;
Cooling device 4 comprises a vane 41, and it adopts air-cooling device, the air cooling of promptly adopting vane upwards to blow, and this vane is single vane, also can be two air ports vane of two air port vanes or band restrictor ring;
This wrap-up 6 can be fixing wrap-up, also can be rotary wrap-up, to improve the rolling effect.
See also Fig. 2 again, the film device that is blow molded into that another kind of the present invention is used for high filled plastics film is:
Cooling device 4 adopts water-cooled chiller, water cooling is added in the air cooling of promptly adopting vane to blow downwards, this water-cooled chiller is except comprising a cooling vane 41, also comprise a water cooling ring 43, the below is put a tank 44 again, this cooling vane 41 is single vanes, also can be two air ports vane of two air port vanes or band restrictor ring; At this moment, cooling vane 41 vertically places the below of blowing head 3, and the plastic tube that blowing head 3 is extruded tentatively cools off and inflation, enters water-cooling ring 43 then and further cools off, and periosteum 7 through carry-over pinch rolls 52, imports wrap-up 6 behind collapser 51.Carry-over pinch rolls 52 are immersed in the tank 44, and film rolling device 6 is installed in one side of periosteum 7; Tank 44 is located at the below of periosteum 7, diffuses in the workshop to prevent cooling water.
Above embodiment is used for illustrating the present invention, and is not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in claims scope of the present invention variation, the modification of the above embodiment.
Claims (10)
1. film device that is blow molded into that is used for high filled plastics film, comprise high plasticizing capacity extruder, blowing head, have the cooling device of cooling vane and interior cooling device, the draw-gear formed by collapser and carry-over pinch rolls and the wrap-up of finished film, it is characterized in that the described film device that is blow molded into also comprises melt metering pump; Described high plasticizing extruder, melt metering pump and blowing head are connected on same horizontal plane successively, described cooling vane vertically places the top of blowing head, cooling device also places the top of described blowing head in described, described draw-gear is located at the top of cooling device, and described wrap-up is located at a side-lower of draw-gear and is positioned at the other side of described high plasticizing extruder.
2. the film device that is blow molded into that is used for high filled plastics film according to claim 1 is characterized in that the extruder of described high plasticizing capacity is a multi-screw extruder.
3. the film device that is blow molded into that is used for high filled plastics film according to claim 2, it is characterized in that, described multi-screw extruder is double screw extruder or three-screw extruder, three screw rods of this three-screw extruder can be arranged in parallel, isosceles triangle is arranged, and described screw rod can be the monoblock type screw-rod structure, also can be the assembled screw rod structure.
4. the film device that is blow molded into that is used for high filled plastics film according to claim 2 is characterized in that described multi-screw extruder is provided with some vacuum vent holes.
5. the film device that is blow molded into that is used for high filled plastics film according to claim 1 is characterized in that, described melt metering pump is high-precision gear type Melt Pump.
6. the film device that is blow molded into that is used for high filled plastics film according to claim 1 is characterized in that described blowing head can be a single layer die, also can be multi-layer co-extruded die head.
7. the film device that is blow molded into that is used for high filled plastics film according to claim 1 is characterized in that, described blowing head adopts the screw-type feeding structure, also can adopt axle formula feeding structure.
8. the film device that is blow molded into that is used for high filled plastics film according to claim 1 is characterized in that described cooling device can be an air-cooling device, also can be that air-cooling device adds water-cooled chiller again.
9. the film device that is blow molded into that is used for high filled plastics film according to claim 1 is characterized in that, the vane in the described air-cooling device can be singly to seal vane, also can be two air ports vane of two air port vanes or band restrictor ring.
10. the film device that is blow molded into that is used for high filled plastics film according to claim 1 is characterized in that described wrap-up can be fixed wrap-up, also can be rotary wrap-up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102478337A CN102114705A (en) | 2009-12-31 | 2009-12-31 | Film blowing device for highly-filled plastic films |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102478337A CN102114705A (en) | 2009-12-31 | 2009-12-31 | Film blowing device for highly-filled plastic films |
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| Publication Number | Publication Date |
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| CN102114705A true CN102114705A (en) | 2011-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009102478337A Pending CN102114705A (en) | 2009-12-31 | 2009-12-31 | Film blowing device for highly-filled plastic films |
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| CN (1) | CN102114705A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102514189A (en) * | 2011-12-15 | 2012-06-27 | 吴江市英力达塑料包装有限公司 | Plastic film blowing machine |
| CN103231502A (en) * | 2013-04-28 | 2013-08-07 | 福建连众智惠实业有限公司 | Multi-layer coextrusion water-cooling blown film unit |
| CN107839208A (en) * | 2017-10-24 | 2018-03-27 | 北京化工大学 | Multi- scenarios method film blow blowing forming method and equipment based on electrostatic tug-of-war effect |
| CN108058436A (en) * | 2017-12-21 | 2018-05-22 | 苏州星火丰盈环保包装有限公司 | A kind of complete biodegradable refuse bag blown film device |
| CN110014637A (en) * | 2019-04-27 | 2019-07-16 | 北京化工大学 | A kind of downward-blowing water-cooling blown film device |
| CN112721109A (en) * | 2020-12-24 | 2021-04-30 | 东莞市创一机械科技有限公司 | High-precision film blowing equipment for preparing full-biodegradable film |
| CN112743816A (en) * | 2020-12-24 | 2021-05-04 | 东莞市创一机械科技有限公司 | High-precision film blowing mechanism for full-biodegradation film blowing machine |
| CN115572404A (en) * | 2022-12-08 | 2023-01-06 | 汕头市鑫瑞奇诺包装材料有限公司 | High-barrier composite film based on blow molding polyethylene film and preparation method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102514189A (en) * | 2011-12-15 | 2012-06-27 | 吴江市英力达塑料包装有限公司 | Plastic film blowing machine |
| CN103231502A (en) * | 2013-04-28 | 2013-08-07 | 福建连众智惠实业有限公司 | Multi-layer coextrusion water-cooling blown film unit |
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| CN107839208A (en) * | 2017-10-24 | 2018-03-27 | 北京化工大学 | Multi- scenarios method film blow blowing forming method and equipment based on electrostatic tug-of-war effect |
| CN107839208B (en) * | 2017-10-24 | 2023-11-21 | 北京化工大学 | Multi-field coupling film blow molding method and equipment based on electrostatic tug-of-war effect |
| CN108058436A (en) * | 2017-12-21 | 2018-05-22 | 苏州星火丰盈环保包装有限公司 | A kind of complete biodegradable refuse bag blown film device |
| CN110014637A (en) * | 2019-04-27 | 2019-07-16 | 北京化工大学 | A kind of downward-blowing water-cooling blown film device |
| CN112721109A (en) * | 2020-12-24 | 2021-04-30 | 东莞市创一机械科技有限公司 | High-precision film blowing equipment for preparing full-biodegradable film |
| CN112743816A (en) * | 2020-12-24 | 2021-05-04 | 东莞市创一机械科技有限公司 | High-precision film blowing mechanism for full-biodegradation film blowing machine |
| CN115572404A (en) * | 2022-12-08 | 2023-01-06 | 汕头市鑫瑞奇诺包装材料有限公司 | High-barrier composite film based on blow molding polyethylene film and preparation method thereof |
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Application publication date: 20110706 |