CN101830308A - Seamless aluminum-plastic coextrusion composite hose and manufacturing method thereof - Google Patents
Seamless aluminum-plastic coextrusion composite hose and manufacturing method thereof Download PDFInfo
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- CN101830308A CN101830308A CN 201010146935 CN201010146935A CN101830308A CN 101830308 A CN101830308 A CN 101830308A CN 201010146935 CN201010146935 CN 201010146935 CN 201010146935 A CN201010146935 A CN 201010146935A CN 101830308 A CN101830308 A CN 101830308A
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Abstract
The invention discloses a seamless aluminum-plastic coextrusion composite hose and a manufacturing method thereof. The composite hose comprises a hose head and a hose body, wherein the hose body comprises a plastic inner tube, a binder, an aluminum tube and a plastic outer tube, and the aluminum tube is formed by tightly engaging and butting an aluminum foil through two zigzag sides thereof. The method for manufacturing the hose comprises the following steps of: manufacturing the plastic inner tube, and coating the binder on the outer surface thereof; stamping two longitudinal edges of the aluminum foil into the zigzag shape; then tightly engaging and integrating the two zigzag sides of the aluminum foil into a cylinder, and tightly binding and molding with the plastic inner tube to obtain the aluminum-plastic hose simultaneously; and finally cladding a hot-melting binder layer and the plastic outer tube on the outer surface through hose extrusion equipment, and performing cooling shaping to obtain the hose body of the composite hose; and injecting the hose body to obtain the seamless aluminum-plastic coextrusion composite hose. The aluminum tube manufactured by the invention has no obvious lapping trace at the butt joint, is hardly loosened, has excellent pressure resistance and tensile property, and is attractive in appearance and practical. The manufacturing method has stable process and simple and easy contrapuntal joint.
Description
Technical field
The invention belongs to field of product packaging, be specifically related to a kind of plastic-aluminum combined flexible pipe that is used for the packings of product such as cosmetics, daily necessities and preparation method thereof.
Background technology
At cosmetic industry, overall plastic MULTILAYER COMPOSITE flexible pipe is used general, but still not enough on intensity and barrier.Plastic-aluminum combined flexible pipe then combines the characteristic of metal and plastics, has both kept the characteristic of overall plastic composite soft tube corrosion stability, has also had metallic character, has improved the intensity and the barrier of flexible pipe, has enlarged the range of use of packing.
Present plastic-aluminum combined flexible pipe includes plastic-aluminum combined flexible pipe of seam and seamless aluminum-plastic composite soft tube.For the plastic-aluminum combined flexible pipe of seam is arranged, its body forms for the volume weldering, and promptly aluminium flake and plastic layer are pressed into sheet in advance, and the printing back is adopted the mode of " overlap joint " to roll up and is welded into tubulose.This technology has crushing resistance and explosion-proof is poor, easy to crack, sealing-off and be short of deficiencies such as attractive in appearance because of weld seam.For the seamless aluminum-plastic composite soft tube, its technology is earlier with the aluminium flake welding fabrication, forms by the inside and outside plastic layer of extruder co-extrusion winding, because outer by the extruder winding, the aluminium lamination weld seam is capped, so be called the seamless aluminum-plastic composite soft tube.This technology can the actv. solution have the existing problem of seam plastic-aluminum flexible pipe, but fixed in the opposite joint mode at existing aluminum pipe, as parallel docking, the welding of aluminium foil overlap joint, shortcomings such as still existence stability shortcoming and technology difficulty height.
Summary of the invention
One object of the present invention is the above problem at existing plastic-aluminum combined flexible pipe existence, and providing a kind of does not have tangible overlap joint vestige, difficult loosening aluminum pipe and resistance to compression and the good seamless aluminum-plastic coextrusion composite hose of tensile property at joint.
Another object of the present invention is to provide a kind of method for making of seamless aluminum-plastic coextrusion composite hose.
Seamless aluminum-plastic coextrusion composite hose of the present invention, comprise tube head and pipe shaft, pipe shaft comprises plastic inner pipe, adhesive agent, aluminum pipe and plastic outer tube, described plastic inner pipe and aluminum pipe, aluminum pipe and plastic outer tube are bonded together by hot-melt adhesive, and described aluminum pipe is to be formed by the tight interlock butt joint of serrated edge of aluminium foil by its both sides.
The method for making of seamless aluminum-plastic coextrusion composite hose of the present invention, the making of its pipe shaft comprises the steps:
(1) makes plastic inner pipe, coat adhesive agent at the plastic inner pipe outside face then;
(2) two longitudinal edges with aluminium foil strike out the serration of tight interlock mutually;
(3) then with the tight interlock of two serrated edges of aluminium foil and be integrated into cylindric, simultaneously and the gained plastic inner pipe close adhesion moulding of (1) step, the plastic-aluminum flexible pipe;
(4) be plastic outer tube by the flexible pipe extrusion equipment at plastic-aluminum flexible pipe outside face coating hot-melt adhesive layer and plastic layer then, wherein the hot-melt adhesive layer is between plastic-aluminum flexible pipe and plastic outer tube, through cooling and shaping, promptly make the pipe shaft of seamless aluminum-plastic coextrusion composite hose again.
Adopt existing head technology behind head, promptly to get seamless aluminum-plastic coextrusion composite hose the gained pipe shaft.
The plastic inner pipe in described (1) step can adopt existing flexible pipe extrusion equipment and mature technology to make.
Described (2) step can adopt the sawtooth punch forming device that the serration of tight interlock is mutually made on the both sides of aluminium foil.Described sawtooth punch forming device comprises that compression machine and two pairs of taperings are between 10 °-30 °, the zig-zag punching press serrated knife of adjustable positions, described two pairs of zig-zag punching press serrated knives lay respectively at the aluminium foil both sides, two zig-zag punching press serrated knives in the every pair of zig-zag punching press serrated knife lay respectively at aluminium foil directly over and under, drive synchronously by separately servomotor, by compression machine it is pressed, two pairs of zig-zag punching press serrated knives mesh the cutting aluminium foil up and down, make the serration of tight interlock mutually in the aluminium foil two edges, below aluminium foil, be provided with the roller that provides support and lead and draw for aluminium foil.
Described (3) step can adopt the sizing Butt welder equipment to realize, described sizing Butt welder equipment comprises that frame, taper die, a plurality of running roller and cylindrical moulding lead rod; Described taper die is fixed in the frame, and taper die comprises shell and inner core, is provided with the tapered passage of gradual change between shell and inner core; Described inner core is provided with mesopore, and described cylindrical moulding is led rod and is provided with several breather ports, links to each other with high-pressure air source through air flue, and cylindrical moulding is led rod and is through in the mesopore of taper die inner core, and a part is positioned at the rear of taper die; Running roller is positioned at the rear of taper die, and a plurality of running rollers are the symmetry setting up and down what rod was led in cylindrical moulding, and running roller has independent servomotor and regulates rotating speed; Aluminium foil and plastic inner pipe import the sizing Butt welder equipment simultaneously, when aluminium foil enters the tapered passage of gradual change of taper die and the mutual interlock of two serrated edges after pushing, meanwhile, lead the plastic inner pipe that rod imports and travel forward through cylindrical, with the aluminium foil of interlock mutually formation plastic-aluminum flexible pipe under the pressure of running roller and the cylindrical effect of leading the high pressure gas that rod blows out.
Technique effect of the present invention is: the present invention has adopted special serrated edge interlock docking mode, closely interlock when aluminium foil docks does not have significantly overlap joint vestige, is difficult for loosening, resistance to compression and tensile property are good, and the parcel of inside and outside plastics also makes the specious practicality of plastic-aluminum combined flexible pipe.The inventive method process stabilizing, the contraposition seam is simple and easy.
Description of drawings
Fig. 1 is the technological principle diagram of circuit of the embodiment of the invention.
Fig. 2, Fig. 3 are respectively front view, the birds-eye view of sawtooth punch forming device and sizing Butt welder equipment in the embodiment of the invention.
Fig. 4 leads excellent structural representation for one section cylindrical moulding in the embodiment of the invention.
Fig. 5 is the process scheme drawing of the toothed edge interlock butt joint on aluminium foil both sides in the embodiment of the invention.
Fig. 6 is the seamless aluminum-plastic coextru-lamination flexible pipe tube wall section drawing of the embodiment of the invention.
The conventional plastic-aluminum combined flexible pipe pipe shaft structural section figure of Fig. 7 for adopting the overlap joint welding process to make.
Fig. 8 is the block diagram of zig-zag punching press serrated knife.
The specific embodiment
Referring to Fig. 7, the conventional plastic-aluminum combined flexible pipe that adopts the making of overlap joint welding process is behind aluminium foil layer 27 overlap joints, and lap-joint's thickness increases, and is easy to cause the pipe shaft surface irregularity thus, the out of reach seamless effect.Plastic outer tube 28 and plastic inner pipe 29 are by hot-melt adhesive 30 and aluminium foil 27 close adhesion among Fig. 7.
Referring to Fig. 6, the seamless aluminum-plastic coextru-lamination flexible pipe of the embodiment of the invention comprises tube head and pipe shaft, and pipe shaft comprises plastic inner pipe 24, hot-melt adhesive 25, aluminum pipe 26 and plastic outer tube 27.Plastic inner pipe 24 is bonded together by hot-melt adhesive 25 with plastic outer tube 27 with aluminum pipe 26, aluminum pipe 26, and aluminum pipe 26 is formed by the tight interlock butt joint of serrated edge of aluminium foil by its both sides.
The seamless aluminum-plastic coextru-lamination flexible pipe of the embodiment of the invention method for making as follows:
One, makes pipe shaft.
Referring to Fig. 1 to Fig. 3, the making of pipe shaft comprises the steps:
1, at first adopts pipe in flexible pipe extruder 1 extrusion plastic,, on the plastic inner pipe outer wall, applying one deck hot-melt adhesive by glue spreader 4 under the pulling of traction machine 3, import sizing Butt welder equipment 72 then then through vacuum and water cooling case 2 aftershapings.
2, meanwhile, plate-like aluminium foil 5 stretches by the stretcher 6 that circumnutates and flattens, and imports sawtooth punch forming device 71, and the serration of tight interlock is mutually made on the both sides of aluminium foil 5.
3, above-mentioned aluminium foil 5 is imported sizing Butt welder equipment 72 with the plastic inner pipe 20 that applies one deck hot-melt adhesive, make the tight interlock of two serrated edges of aluminium foil and be integrated into cylindric by sizing Butt welder equipment 72, with plastic inner pipe 20 close adhesion moulding, behind the cooling and shaping of water tank 8, make the plastic-aluminum flexible pipe simultaneously.
4, the plastic-aluminum flexible pipe after the moulding imports flexible pipe extruder 9 once more, coat hot-melt adhesive layer and plastic layer (being plastic outer tube) by flexible pipe extruder 9 at plastic-aluminum flexible pipe outside face, wherein the hot-melt adhesive layer is between plastic-aluminum flexible pipe and plastic outer tube, again through water tank 10 cooling and shapings, the final plastic-aluminum combined flexible pipe pipe shaft that forms inside and outside coating plastic layer, after traction machine 11 tractions, cut into the length of required specification at cutting knife platform 12.
Two, the gained pipe shaft is adopted existing head technology annotate and go up tube head, promptly get seamless aluminum-plastic coextrusion composite hose.
Referring to Fig. 2 and Fig. 3, described sawtooth punch forming device 71 comprise the compression machine and the two pairs of taperings between 10 °-30 °, the zig-zag punching press serrated knife 13 of adjustable positions.Compression machine adopts drive of motor, described two pairs of zig-zag punching press serrated knives 13 lay respectively at aluminium foil 5 both sides, two zig-zag punching press serrated knives in the every pair of zig-zag punching press serrated knife 13 lay respectively at aluminium foil 5 directly over and under, drive synchronously by separately servomotor, by cylinder it is pressed, two pairs of zig-zag punching press serrated knives 13 mesh cutting aluminium foil 5 up and down.After two serrated knives of every pair of zig-zag serrated knife 13 separated, the serration of tight interlock was mutually promptly made in aluminium foil 5 two edges.Below aluminium foil 5, be provided with roller 16, be aluminium foil 5 traction that provides support and lead.
Referring to Fig. 2 to Fig. 5, described sizing Butt welder equipment 72 comprises frame 19, removable taper die 17, rod 22 is led in a plurality of running rollers 21 and a cylindrical moulding, taper die 17 is fixed in the frame 19 by screw 18, taper die 17 comprises shell and inner core, between shell and inner core, be provided with the tapered passage of gradual change, inner core is provided with mesopore, evenly distributed several breather ports 221 on the rod 22 are led in cylindrical moulding, link to each other with high-pressure air source through air flue, cylindrical moulding is led rod 22 and is through in the mesopore of taper die 17 inner cores, and a part is positioned at the rear of taper die 17, running roller 21 is positioned at the rear of taper die 17, a plurality of running rollers 21 are the symmetry setting up and down what rod 22 was led in cylindrical moulding, and the outward flange of running roller 21 is an arc, and running roller 21 has independent servomotor and regulates rotating speed; The plastic inner pipe 20 of aluminium foil 5 and coating one deck hot-melt adhesive imports sizing Butt welder equipment 72 simultaneously, when aluminium foil 5 enters the tapered passage of gradual change of taper die 17 and the mutual interlock of two serrated edges after pushing.Meanwhile, travel forward, with aluminium foil 5 formation plastic-aluminum flexible pipe under the effect that rod 22 high pressure gas that blow out are led in the pressure and the cylindrical moulding of running roller 21 of interlock mutually through cylindrical plastic inner pipe 20 of leading rod 22 importings.23 pairs of taper dies 17 of heating collar provide heating.
Referring to Fig. 5, aluminium foil 5 has been realized the planarization of seam by parallel docking among the present invention, owing to adopted the dentation interlock, is difficult in the opposite joint process misplacing simultaneously, thereby has guaranteed the stability and the fastness of seam.
The foregoing description in the course of the work, can be by regulating extruder, change taper die 17 and cylindrical moulding and lead the specification of rod 22, regulate the spacing of zig-zag punching press serrated knife 13 simultaneously, can satisfy the flexible pipe of different size and the compound needs of aluminium foil, realize the seamless aluminum-plastic composite soft tube that plurality of specifications and length are not limit thus.
Claims (6)
1. the method for making of a seamless aluminum-plastic coextrusion composite hose is characterized in that the making of its pipe shaft comprises the steps:
(1) makes plastic inner pipe, coat adhesive agent at the plastic inner pipe outside face then;
(2) two longitudinal edges with aluminium foil strike out the serration of tight interlock mutually;
(3) then with the tight interlock of two serrated edges of aluminium foil and be integrated into cylindric, simultaneously and the gained plastic inner pipe close adhesion moulding of (1) step, the plastic-aluminum flexible pipe;
(4) be plastic outer tube by the flexible pipe extrusion equipment at plastic-aluminum flexible pipe outside face coating hot-melt adhesive layer and plastic layer then, wherein the hot-melt adhesive layer is between plastic-aluminum flexible pipe and plastic outer tube, through cooling and shaping, promptly make the pipe shaft of seamless aluminum-plastic coextrusion composite hose again.
2. the method for making of seamless aluminum-plastic coextrusion composite hose according to claim 1 is characterized in that: the plastic inner pipe in described (1) step adopts the flexible pipe extrusion equipment to make.
3. the method for making of seamless aluminum-plastic coextrusion composite hose according to claim 1 and 2 is characterized in that: described (2) step adopt the sawtooth punch forming device with two longitudinal edges of aluminium foil makes can be mutually the tight serration of interlock.
4. the method for making of seamless aluminum-plastic coextrusion composite hose according to claim 3, it is characterized in that: described sawtooth punch forming device comprises that compression machine and two pairs of taperings are between 10 °-30 °, the zig-zag punching press serrated knife of adjustable positions, described two pairs of zig-zag punching press serrated knives lay respectively at the aluminium foil both sides, two zig-zag punching press serrated knives in the every pair of zig-zag punching press serrated knife lay respectively at aluminium foil directly over and under, drive synchronously by separately servomotor, by compression machine it is pressed, two pairs of zig-zag punching press serrated knives mesh the cutting aluminium foil up and down, make the serration of tight interlock mutually in the aluminium foil two edges, below aluminium foil, be provided with the roller that provides support and lead and draw for aluminium foil.
5. the method for making of seamless aluminum-plastic coextrusion composite hose according to claim 1 and 2, it is characterized in that: described (3) step adopts the sizing Butt welder equipment to realize, described sizing Butt welder equipment comprises that frame, taper die, a plurality of running roller and cylindrical moulding lead rod; Described taper die is fixed in the frame, and taper die comprises shell and inner core, is provided with the tapered passage of gradual change between shell and inner core; Described inner core is provided with mesopore, and described cylindrical moulding is led rod and is provided with several breather ports, links to each other with high-pressure air source through air flue, and cylindrical moulding is led rod and is through in the mesopore of taper die inner core, and a part is positioned at the rear of taper die; Running roller is positioned at the rear of taper die, and a plurality of running rollers are the symmetry setting up and down what rod was led in cylindrical moulding, and running roller has independent servomotor and regulates rotating speed; Aluminium foil and plastic inner pipe import the sizing Butt welder equipment simultaneously, when aluminium foil enters the tapered passage of gradual change of taper die and the mutual interlock of two serrated edges after pushing, meanwhile, lead the plastic inner pipe that rod imports and travel forward through cylindrical, with the aluminium foil of interlock mutually formation plastic-aluminum flexible pipe under the pressure of running roller and the cylindrical effect of leading the high pressure gas that rod blows out.
6. seamless aluminum-plastic coextrusion composite hose, comprise tube head and pipe shaft, pipe shaft comprises plastic inner pipe, adhesive agent, aluminum pipe and plastic outer tube, described plastic inner pipe and aluminum pipe, aluminum pipe and plastic outer tube are bonded together by hot-melt adhesive, it is characterized in that: described aluminum pipe is to be formed by the tight interlock butt joint of serrated edge of aluminium foil by its both sides.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101469352A CN101830308B (en) | 2010-04-08 | 2010-04-08 | Seamless aluminum-plastic coextrusion composite hose and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101469352A CN101830308B (en) | 2010-04-08 | 2010-04-08 | Seamless aluminum-plastic coextrusion composite hose and manufacturing method thereof |
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| CN101830308A true CN101830308A (en) | 2010-09-15 |
| CN101830308B CN101830308B (en) | 2011-10-26 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102848570A (en) * | 2012-09-07 | 2013-01-02 | 深圳市通产丽星股份有限公司 | Sheet processing apparatus |
| CN106313645A (en) * | 2016-10-26 | 2017-01-11 | 南通市通州区三槐机械制造有限公司 | Seamless type aluminum plastic compound hose, and manufacturing device and manufacturing method thereof |
| CN110126433A (en) * | 2019-05-23 | 2019-08-16 | 成都市新美加机械设备制造有限公司 | The molding press device and its die mould technique of foil laminated film |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1342549A (en) * | 2001-09-26 | 2002-04-03 | 周锡明 | Technology for making seamless composite Al-plastic pipe |
| CN1190309C (en) * | 2000-05-10 | 2005-02-23 | 尤尼克挤压技术有限公司 | Method for producing multilayer metal |
| CN1208143C (en) * | 2002-11-25 | 2005-06-29 | 宝山钢铁股份有限公司 | Method for mfg of high-quality seamless steel pipe |
-
2010
- 2010-04-08 CN CN2010101469352A patent/CN101830308B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1190309C (en) * | 2000-05-10 | 2005-02-23 | 尤尼克挤压技术有限公司 | Method for producing multilayer metal |
| CN1342549A (en) * | 2001-09-26 | 2002-04-03 | 周锡明 | Technology for making seamless composite Al-plastic pipe |
| CN1208143C (en) * | 2002-11-25 | 2005-06-29 | 宝山钢铁股份有限公司 | Method for mfg of high-quality seamless steel pipe |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102848570A (en) * | 2012-09-07 | 2013-01-02 | 深圳市通产丽星股份有限公司 | Sheet processing apparatus |
| CN106313645A (en) * | 2016-10-26 | 2017-01-11 | 南通市通州区三槐机械制造有限公司 | Seamless type aluminum plastic compound hose, and manufacturing device and manufacturing method thereof |
| CN110126433A (en) * | 2019-05-23 | 2019-08-16 | 成都市新美加机械设备制造有限公司 | The molding press device and its die mould technique of foil laminated film |
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| Publication number | Publication date |
|---|---|
| CN101830308B (en) | 2011-10-26 |
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Application publication date: 20100915 Assignee: SHANGHAI TONGCHAN BEAUTY STAR PACKAGING MATERIAL CO., LTD. Assignor: Shenzhen Beauty Star Co., Ltd. Contract record no.: 2013440020116 Denomination of invention: Seamless aluminum-plastic coextrusion composite hose and manufacturing method thereof Granted publication date: 20111026 License type: Common License Record date: 20130417 |
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Address after: No. 1001, Longgang Avenue, Longgang District, Shenzhen, Guangdong 518000 Patentee after: Shenzhen Lihe Technology Innovation Co.,Ltd. Address before: 518112 No. five, 49 Avenue, Buji, Guangdong, Shenzhen, Bantian Patentee before: SHENZHEN BEAUTY STAR Co.,Ltd. |
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Effective date of registration: 20210806 Address after: No. 1001, Longgang Avenue, Pingxi community, Pingdi street, Longgang District, Shenzhen, Guangdong 518000 Patentee after: Shenzhen TONGCHAN Lixing Technology Group Co.,Ltd. Address before: No. 1001, Longgang Avenue, Longgang District, Shenzhen, Guangdong 518000 Patentee before: Shenzhen Lihe Technology Innovation Co.,Ltd. |