CN101148092A - Plastic membrane blowing production line - Google Patents

Plastic membrane blowing production line Download PDF

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Publication number
CN101148092A
CN101148092A CNA2007102019746A CN200710201974A CN101148092A CN 101148092 A CN101148092 A CN 101148092A CN A2007102019746 A CNA2007102019746 A CN A2007102019746A CN 200710201974 A CN200710201974 A CN 200710201974A CN 101148092 A CN101148092 A CN 101148092A
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China
Prior art keywords
production line
plastic membrane
blowing production
slide plate
membrane blowing
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CNA2007102019746A
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Chinese (zh)
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CN100544945C (en
Inventor
李培奇
徐刚
刘彬
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Sichuan Yibin Wuliangye Group Co Ltd
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Sichuan Yibin Wuliangye Group Co Ltd
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Publication of CN101148092A publication Critical patent/CN101148092A/en
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Abstract

The plastic film blowing production line includes one extruder, one film blowing machine, one setting device, one flattening device, one drawing device and one winding device set successively. It has also one cutting device comprising one frame and one cutter set between the drawing device and the winding device. In the plastic film blowing production line, the jobs of blowing plastic film, cutting and welding may be completed continuously in high production efficiency.

Description

Plastic membrane blowing production line
Technical field
The present invention relates to a kind of plastic article industry, particularly relate to a kind of plastic membrane blowing production line.
Background technology
The plastics blow molding film line be mainly used in produce a bottle seat bag, body bag, in mould band, hole bag etc. and tin expect.Plastics blow molding film line equipment is made up of five parts usually, is respectively: extruder, blown-film die, cooling and calibrator, draw-gear, taking-up equipment or the like.Plastics blow molding film forming technology is: utilize extruder material plasticizing is extruded → utilize cooling and calibrator cooling and shaping → utilize draw-gear draw → to batch by taking-up equipment at last then by blown-film die pipe embryo inflation moulding → again.The blown film operation is first procedure that polybag is produced, and is to realize volume increase consumption reduction, the key link of increasing economic efficiency.Existing equipment can only be wide according to the tube film web, according to technological requirement, selects the mouth mould of different specification size for use, every plastic foil that can only blow out a specification, when product specification hour, the daily output is relatively low.
Summary of the invention
The technical problem to be solved in the present invention provides the high plastic membrane blowing production line of a kind of production efficiency.This plastic membrane blowing production line can blow out the plastic foil of one or more specifications according to technological requirement.
In order to address the above problem, the present invention has adopted following technical scheme: plastic membrane blowing production line, comprise by extruder, blown-film die, calibrator, flattening device, draw-gear, taking-up equipment the streamline that forms is set in proper order, between the draw-gear of described plastic membrane blowing production line and devices for taking-up, be provided with cutting device, cutting device comprises frame and rack-mounted carving knife, and carving knife is provided with firing equipment.
In order to satisfy periosteum is cut into a plurality of films, described carving knife is at least one.
Described cutting device is provided with slide plate, and slide plate is installed in above the frame, has the opening that adapts with carving knife in the middle of the slide plate.
As a further improvement on the present invention, cover is installed to axle on described frame, cover is provided with slide plate to axle and adjusts slide block, and slide plate and slide plate are adjusted between the slide block and be provided with sliding plate support, have U type groove on the sliding plate support, sliding plate support is installed in slide plate by U type groove and adjusts on the slide block.Adjust slide block cover moving on axle by slide plate, can adjust the position relation between slide plate and the film, can adjust the position relation of slide plate and welding cutter by U type groove.
As a further improvement on the present invention, carving knife is installed in cuts on the knife rest, and cover is provided with knife rest to axle and adjusts slide block, cuts knife rest and is set in the knife rest adjustment slide block.
Described cover is provided with a square shaft at least to axle.
As a further improvement on the present invention, between carving knife and frame, be provided with heat-proof device.
As a further improvement on the present invention, the thickness of the cutting edge of described carving knife is 3~5mm, prevents that film from the bonding phenomenon occurring after leaving cutting edge.
To produce zigzag in order preventing to cut and to cut edge, should use hard any industrial knife material, as adopting high-speed tool steel, it is sharp that the edge of a knife should keep.
The invention has the beneficial effects as follows: cutting device cuts into a plurality of films with periosteum, and with the side welding, forms a plurality of tubular films than small dimension.On inflation film manufacturing machine, increased after this device, can realize blown film of line, cut and welding fabrication processing, can reach the purpose that an inflation film manufacturing machine goes out a plurality of material volume films, improved production efficiency significantly.
Description of drawings
The present invention is described in more detail below in conjunction with accompanying drawing.
Fig. 1 is the vertical view of cutting device in the plastic membrane blowing production line of the present invention.
Fig. 2 is the view of carving knife position in the cutting device in the plastic membrane blowing production line of the present invention.
Fig. 3 is the view of cutting device middle slide plate backing positions in the plastic membrane blowing production line of the present invention.
Part among the figure, the title of parts and numbering thereof: frame 10, carving knife 11, firing equipment 15, slide plate 12, sliding plate support 14, U type groove 16, heat-proof device 13, cover to axle 20, slide plate adjust slide block 21, cut knife rest 22, knife rest adjusts slide block 23, circular shaft 24, square shaft 25 and third wheel 26, position regulator 27, retainingf key 28.
The specific embodiment
Plastic membrane blowing production line, comprise by extruder, blown-film die, calibrator, flattening device, draw-gear, taking-up equipment the streamline that forms is set in proper order, between the draw-gear of described plastic membrane blowing production line and devices for taking-up, be provided with cutting device, cutting device comprises frame 10 and the carving knife 11 that is installed on the frame 10, and carving knife 11 is provided with firing equipment 15.Extruder 1 is extruded the material of plasticizing, by blown-film die 2 pipe embryos material is propelled the price of moulding, then through calibrator 3 with the film cooling and shaping, utilize draw-gear 5 tractions again, arrive cutting device, utilize the carving knife 11 on the cutting device that the film behind the cooling and shaping is cut, simultaneously because carving knife 11 is provided with firing equipment 15, with carving knife 11 heating, when carving knife 11 is cut film, utilize the branch otch welding fabrication of the temperature of carving knife 11 with film itself, the film of cutting welding fabrication at last batches by taking-up equipment 6, finally forms finished product.
In order to satisfy periosteum is cut into a plurality of films, described carving knife 11 is at least one.
Described cutting device is provided with slide plate 12, and slide plate 12 is installed on the frame 10, has the opening that adapts with carving knife 11 in the middle of the slide plate 12.Opening on the slide plate 12 is for when cutting film, and carving knife 11 cutter hubs stretch into slide plate 12 usefulness, and the size of opening just can stretch into carving knife 11 and be as the criterion.Film slips over slide plate 12, because having suppressed film, the frictional resistance between slide plate 12 and the film vertically cutting cross-direction shrinkage and the crimping that the back produces, make dual-side and the carving knife 11 of film after cutting keep excellent contact, can better reach like this and cut welding effect.
On described frame 10, cover is installed to axle 20, cover is provided with slide plate to axle 20 and adjusts slide block 21, slide plate 12 and slide plate are adjusted between the slide block 21 and are provided with sliding plate support 14, have U type groove 16 on the sliding plate support 14, and sliding plate support 14 is installed in slide plate by U type groove 16 and adjusts on the slide block 21.Adjust slide block 21 cover moving on axle 20 by slide plate, can adjust the position relation between slide plate 12 and the film; Because third wheel 26 is installed on the frame 10 and maintains static, the position that can adjust slide plate 12 and third wheel 26 by U type groove 16 concerns that this set can be adjusted the frictional resistance of film, adapts to different needs of work.
Described carving knife 11 is installed in cuts on the knife rest 22, corresponding, and cover is provided with knife rest to axle 20 and adjusts slide block 23, cuts knife rest 22 and is set in the knife rest adjustment slide block 23, cuts knife rest 22 and is provided with position regulator 27.Knife rest is adjusted slide block 23 and is provided with endoporus, cut knife rest 22 and be set in the endoporus that knife rest is adjusted slide block 23, and can adjust the relative position relation of cutting knife rest 22 and carving knife 11 and slide plate 12 by position regulator 27, after the adjustment, fixedly cut the position of knife rest 22 by retainingf key 28, thereby control the penetraction depth that carving knife 11 is cut film; Knife rest is adjusted slide block 23 and can be moved to axle 20 along cover, can control the position of cutting that carving knife 11 is cut film.
Described cover is provided with a square shaft at least to axle 20.This set can make slide plate adjust slide block 21 and knife rest adjustment slide block 23 both can successfully move on axle 20 at cover, can be fixed on cover easily on axle 20 by fixture again.
For conducting to, the heat that prevents the carving knife 11 after firing equipment 15 heating cuts knife rest 22, at carving knife 11 with cut and be provided with heat-proof device 13 between the knife rest 22.
The thickness of the cutting edge of carving knife 11 should be 3~5mm, prevents that film from the bonding phenomenon occurring after leaving cutting edge.
To produce zigzag in order preventing to cut and to cut edge, should use hard any industrial knife material, as adopting high-speed tool steel, it is sharp that the edge of a knife should keep.
As Fig. 1, Fig. 2 and shown in Figure 3, film by draw-gear arrives before taking-up equipment batches, to pass through cutting of cutting device, when film passes through the slide plate 12 of cutting device, because the effect of third wheel 26 and slide plate form certain frictional resistance between slide plate 12 and the film, thereby film will form certain force of strain, position by adjusting slide plate 12 can adjusting slider 12 and film between frictional resistance, and then adjust the tension force of film.Carving knife 11 is deep in work in the opening above the slide plate 12, carving knife 11 should with the slide plate cutting edge should with the working face keeping parallelism of slide plate 12.For the welding effect that obtains, guarantee that it is very important that welding cutter 11 is parallel to each other with the film movement direction, by the adjustment of the U type groove above the sliding plate support 14 16 with frame 10 positions relation, can guarantee carving knife 11 cutting edges parallel with the film movement direction, it is constant that the frictional resistance between slide plate 12 and the film keeps substantially.Carving knife 11 is provided with firing equipment 15, and firing equipment 15 can be the heating tube by cutter hub, also can be that alternate manner heats cutter hub, and the temperature of heating is generally 250-300 ℃.When film passed through slide plate 12, carving knife 11 cut divided thin film, because carving knife 11 itself has certain temperature (being generally 250-300 ℃), carving knife 11 also can will divide the film welding fabrication of incision simultaneously.Vertically cut cross-direction shrinkage and the crimping that the back produces because the frictional resistance between slide plate 12 and the film has suppressed film, making dual-side and the carving knife 11 of film after cutting keep excellent contact.Can reach welding fabrication effect preferably like this.The length of carving knife 11 should be between 200-250mm, and welding effect was better after such length can be able to make and cut.
This carving knife can be arranged a plurality of on cutting device, thereby reaches the purpose that an inflation film manufacturing machine is gone out a plurality of material volume films.As: before the improvement, produce the bag of 310*0.02 (the folding footpath is 210mm, and thickness is 0.02mm) and use film, the membrana oralis diameter is elected φ 60 as, and screw speed is 70n/min, and hauling speed is 700rpm, and the single face rolling had a daily output of 450kg/ days; Increase have the cutting device of a carving knife after, produce the film of bag using of the same specification of 310*0.02 (the folding footpath be 210mm, and thickness is 0.02mm), the membrana oralis diameter is elected φ 100 as, and screw speed is 70n/min, and hauling speed is 700rpm, two-sided rolling one goes out two, has a daily output of 690kg/ days.By contrast, cutting device has improved production efficiency greatly.

Claims (9)

1. plastic membrane blowing production line, comprise by extruder, blown-film die, calibrator, flattening device, draw-gear, taking-up equipment the streamline that forms is set in proper order, it is characterized in that: between the draw-gear of described plastic membrane blowing production line and devices for taking-up, be provided with cutting device (7), cutting device (7) comprises frame (10) and is installed in carving knife (11) on the frame (10) that carving knife (11) is provided with firing equipment (15).
2. plastic membrane blowing production line as claimed in claim 2 is characterized in that: described carving knife (11) is at least one.
3. plastic membrane blowing production line as claimed in claim 1 is characterized in that: on the upper spider (10) of described cutting device (7) slide plate (12) is installed, has the opening that adapts with carving knife (11) on the slide plate (12).
4. plastic membrane blowing production line as claimed in claim 1, it is characterized in that: cover is installed on described frame to axle (20), cover is provided with slide plate to axle (20) and adjusts slide block (21), slide plate (12) and slide plate are adjusted between the slide block (21) and are provided with sliding plate support (14), have U type groove (16) on the sliding plate support (14), sliding plate support (14) is installed in slide plate by sliding eye (16) and adjusts on the slide block (21).
5. as claim 1 or 4 described plastic membrane blowing production lines, it is characterized in that: carving knife (11) is installed in cuts on the knife rest (22), cover is provided with knife rest to axle (20) and adjusts slide block (23), cut knife rest (22) and be set in the knife rest adjustment slide block (23), cut knife rest 22 and be provided with position regulator (27).
6. plastic membrane blowing production line as claimed in claim 4 is characterized in that: described cover is provided with a square shaft at least to axle (20).
7. plastic membrane blowing production line as claimed in claim 1 is characterized in that: be provided with heat-proof device (13) between described carving knife (11) and frame (10).
8. plastic membrane blowing production line as claimed in claim 1 or 2 is characterized in that: the thickness of the cutting edge of described carving knife (11) is 3~5mm.
9. plastic membrane blowing production line as claimed in claim 1 or 2 is characterized in that: described carving knife (11) adopts high-speed tool steel.
CNB2007102019746A 2007-10-09 2007-10-09 Plastic membrane blowing production line Active CN100544945C (en)

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Application Number Priority Date Filing Date Title
CNB2007102019746A CN100544945C (en) 2007-10-09 2007-10-09 Plastic membrane blowing production line

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Application Number Priority Date Filing Date Title
CNB2007102019746A CN100544945C (en) 2007-10-09 2007-10-09 Plastic membrane blowing production line

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CN101148092A true CN101148092A (en) 2008-03-26
CN100544945C CN100544945C (en) 2009-09-30

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104228076A (en) * 2014-09-29 2014-12-24 江阴德玛斯特钻具有限公司 Production line of flanging type drill rod protective sleeve
CN104526748A (en) * 2014-12-25 2015-04-22 李文斌 Pasting-film fixing device of cutter for pasting-film production line
US10069905B2 (en) 2008-06-06 2018-09-04 Alibaba Group Holding Limited Promulgating information on websites using servers
CN109434903A (en) * 2018-12-11 2019-03-08 广东正业科技股份有限公司 A kind of flexible automatic tool setting mechanism
CN111086045A (en) * 2019-12-09 2020-05-01 肖池国 Cutting system and cutting method of membrane belt for building

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4318768A (en) * 1980-02-04 1982-03-09 Johnson James R Slit-sealing apparatus for high-density plastic sheets
CN200951584Y (en) * 2006-08-31 2007-09-26 杭州中凌广告器材有限公司 Splitting cutting machine

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10069905B2 (en) 2008-06-06 2018-09-04 Alibaba Group Holding Limited Promulgating information on websites using servers
CN104228076A (en) * 2014-09-29 2014-12-24 江阴德玛斯特钻具有限公司 Production line of flanging type drill rod protective sleeve
CN104526748A (en) * 2014-12-25 2015-04-22 李文斌 Pasting-film fixing device of cutter for pasting-film production line
CN109434903A (en) * 2018-12-11 2019-03-08 广东正业科技股份有限公司 A kind of flexible automatic tool setting mechanism
CN109434903B (en) * 2018-12-11 2024-04-26 广东正业科技股份有限公司 Flexible automatic knife adjusting mechanism
CN111086045A (en) * 2019-12-09 2020-05-01 肖池国 Cutting system and cutting method of membrane belt for building

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