CN106426993B - A kind of pipe-making method of hot pressing plasticizing multiple tube - Google Patents
A kind of pipe-making method of hot pressing plasticizing multiple tube Download PDFInfo
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- CN106426993B CN106426993B CN201610902284.2A CN201610902284A CN106426993B CN 106426993 B CN106426993 B CN 106426993B CN 201610902284 A CN201610902284 A CN 201610902284A CN 106426993 B CN106426993 B CN 106426993B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
- B29D23/001—Pipes; Pipe joints
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Abstract
The invention discloses a kind of pipe-making methods of hot pressing plasticizing multiple tube, including following manufacturing step: selection raw material in mass ratio, and paraffin of arranging in pairs or groups carries out uniformly mixed；It is delivered to after mixture is preheated in economizer bank in tuber feed bin；Raw material is dialled by pan feeding driving lever or plectrum and drops into tubulation pan feeding chamber；The intracavitary pressure head of tubulation pan feeding back and forth pushes simultaneously, and raw material is constantly squeezed into mold；Heating mould makes raw material start plasticizing forming under the mould action of high fever and squeezes out；Started by cutting mechanism and cut off formed pipe, the formed pipe after cutting is transferred to aging in aging storehouse；The surfaces externally and internally of formed pipe after weathering sticks craft paper, then applies toning aqueous putty on surface and carries out waterproofness, antistatic and color management processing；Finally inventory is packaged into according to mark.The manufacturing method of the present invention uses the molding production technology of automated packing continuous hot-press, provides necessary condition for the marketization；And the loss of a large amount of energy consumptions and the sewage discharge used in paper and paper-making process are reduced in production process, to substantially reduce production cost.
Description
Technical field
The present invention relates to tube-making technology, specifically a kind of pipe-making method of hot pressing plasticizing multiple tube.
Background technique
The coiled materials production processes such as the production of existing market flexible packaging film, papermaking, nonferrous metallurgy, weaving and finished product roll pipe used
Material, is mainly first cut to become band by brown paper, cop tube paper etc. and continuously rolls into various specifications after gluing on dedicated bushing machine again
Pipe, and cut into after certain length according to design specification and enter baking room progress drying and shaping, it is carried out again according to customer requirement after sizing
Different length is cut off, and after blend compounds water carries out grinding envelope dirt processing to cutting port, packs family use of seing a visitor out.If customer requirement
The tube surfaces of production are bright and clean and seamless, then the tubing after drying and shaping is also needed to carry out surface grinding and waxing polishing operation
Afterwards, then after cutting sealing end, packaging is seed a visitor out family use.
The tube body made of papery rolls because of papery and the conditions limitation such as rolls, is primarily present following disadvantage:
1. paper using amount accounts for 70% of total weight or so, according to Pulp and Paper Engineering National Key Laboratory, South China Science & Engineering University Shen
" the pulp and paper industry energy consumption statistic number that tri- people of Wen Hao, Chen little Quan, Liu Huanbin delivers on modern industry supplementary issue (2) of volume 27
According to the foundation in library ": pulping and paper-making ton energy consumption is up to 1.5 tons of standard coals and more than 100 cubic metres or more with water, and it is strong to be put into China
Four big energy consumption industries of performance consumption limit standard processed, and first five Hui Sheng group, big paper tube paper manufacturing enterprise, mountain are only in the whole nation 2015
Just production paper tube paper is more than 1,000,000 tons to eastern century sunlight etc., according to the calculating of the above usage standard just need 1,500,000 tons of usage standard coal with
1 billion cubic meter (178 billion cubic meter of Dongting Lake).
2. there is about 1mm broad gap in coiling process, influences high-end wound membrane and use, every plunging breaker takes 10 meters or more, high-end use
Family, which uses to carry out polishing to resinize at present, solves this clearance issues, but cost will improve 30% or more.
3. compression strength is not high enough, at present domestic industry pipe standards internal diameter 76mm, wall thickness 17mm, it is desirable that radial pressure is big
In 1800N, the radial compressive resistance of superelevation resistance to compression pipe standards 2300N or more is far not achieved, causes flexible film when rolling packaging, Chang Yin
Tubing, which is pressurized, in coiling process shrinks, and generates fold so as to cause wound membrane, fold influences to use and waste wound membrane, but double-strength pipe
Material at present can only import.
It is not high that 4. value is recycled because the water imbibition of paper is preferable, paper tube it is used it is primary after soften because of water suction, together
When, each producer's surfaces externally and internally size difference is larger when paper tube produces, and it takes mostly make waste recovery after being once finished at present, but
Paper tube needs that a large amount of glue etc. are added in coiling process, has an adverse effect to papermaking quality and cost, therefore paper mill is also less
It is ready to recycle.
Summary of the invention
For the problems of above-mentioned prior art, the object of the present invention is to provide a kind of simple process, it is effectively reduced
Environmental pollution and the high-end full-automatic manufacturing method of quality.
In order to achieve the above objectives, the technical scheme adopted by the invention is that: a kind of pipe-making method of hot pressing plasticizing multiple tube,
Its main feature is that it is characterised in that it includes following manufacturing step:
(1) applying wax mixes: according to the requirement of tubulation category, in mass ratio selection raw material, paraffin of arranging in pairs or groups is carried out uniformly mixed；
(2) helical feed: in the economizer bank before mixed raw material to be transported to using screw conveyor to tuber；
(3) pre- heated conveying: mixture is preheated to 100 DEG C of rear screws in economizer bank and is delivered in tuber feed bin；
(4) stir pan feeding: after the motor for starting tuber, pan feeding driving lever or plectrum are stirred in feed bin under motor drive
Raw material drops into tubulation pan feeding chamber；
(5) be pushed down into mould: while blanking, the intracavitary pressure head of tubulation pan feeding is back and forth pushed, and raw material is constantly squeezed into
Into mold；
(6) plasticizing forming: heating mould makes raw material start plasticizing forming under the mould action of high fever, and with pressure head
It is continuous pressure and from the outlet end of mold squeeze out；
(7) guiding output: the formed pipe of extrusion under interior axis guiding device and the close device effect of trustship tune, interior spindle guide to
Stepping downlink in device；
(8) cut off aging: when the formed pipe pipe range of extrusion reaches established standards, formed pipe is cut in cutting mechanism starting
Disconnected, the formed pipe after cutting is put into concentrate on conveyer belt by the taking-up of Qu Guan mechanism to be transferred in aging storehouse aging 24 hours or more,
Ensure that formed pipe is plasticized completely；
(9) be surface-treated: the inner wall of formed pipe after weathering sticks craft paper by way of inner shaft paster, in aging
The outer wall of formed pipe afterwards sticks craft paper by way of outer tube roll paper, then applies toning aqueous putty on roll paper surface and carries out
Waterproofness, antistatic and color management processing；
(10) severing is packed: by formed pipe of the surface treatment after good according to requiring to carry out severing, then being carried out after section tempers
Inventory is packaged into according to mark.
Preferably, the flowing heat source preheating of preheating bull ladle enclosed tool main pipe and helical feed in the step (3), make to enter system
The material temperature of pipe pan feeding chamber is maintained at 100 DEG C, it is ensured that the improved efficiency of hot pressing plasticizing.
Preferably, the pressure head in the step (5) is to drive to realize pushing or return, electricity by the hydraulic cylinder of hydraulic station
Machine rotates simultaneously, and the motor synchronous averaging of hydraulic station, oil cylinder starts operation, oil cylinder according to the pressure set and the program set
Pressure head is pushed to push, raw material is squeezed into mold by pressure head during the depression process, return when pressure head reaches lower limit, is returned to upper
Raw material is pushed again when limit and enters mold, the pushing or return of the pressure head are 2-5 seconds.
Preferably, the tuber is set there are two tubulation pan feeding chamber, include in each tubulation pan feeding chamber a pressure head and
Die material, the hydraulic station correspond to each tubulation pan feeding chamber equipped with a hydraulic cylinder, when one of hydraulic cylinder band dynamic head
When pushing, another hydraulic cylinder drives another pressure head to return.
Preferably, the mold in the step (6) includes the variable diameter inner shaft of 3-6 ° of angle and 1.1-1.2 variable diameter ratio and outer
Pipe, when work, are all made of electrified regulation in internal diameter and outer tube, are maintained at the temperature of mold between 180 DEG C -210 DEG C.
Preferably, in the step (6) gradually the formed pipe after plasticizing forming need in mold pressure maintaining 130s or so, just with
Pressure head it is continuous pressure and from the outlet end of mold squeeze out, guarantee plasticizing ratio more thoroughly.
Preferably, the internal-and external diameter of the pressure head designs stepped, and it is mold variable diameter that extreme position is extruded under pressure head is each
At the 0.5mm of top, reversed embryo shape is left when pressure head returns, and the reversed embryo shape ensures next batch of material in indentation and this group
There is the dislocation of 4-6mm to couple between material, increases coupling force.
Preferably, the internal model of the mold is equipped with the interior exhaust seam that segmented line is cut, and the external mold of the mold is equipped with and internal model
Interior exhaust slit at the outlet air cleft of dislocation, pressure head arranged by the interior exhaust seam and outlet air cleft during the depression process
Gas.
Preferably, the guiding output in the step (7) includes following sub-step:
1. inner shaft is oriented to: being docked, made from the outlet of mold with mold internal model by the removable inner shaft of inner shaft guiding device
The plasticizing forming pipe that end squeezes out enters stepping downlink in the inner shaft guiding device；
2. trustship is walked out of: the out-feed head of formed pipe is arranged in the close device of trustship tune, and the supporting plate of the close device of trustship tune is held
The formed pipe, with the output of formed pipe, supporting plate and plasticizing forming pipe export DL synchronization.
Preferably, the surface treatment in the step (9) includes following sub-step:
1. inner shaft paster: sticking craft paper in the inner shaft apparatus surface that can expand axis 2-3mm, then coated on craft paper surface
The interior shaft device is then sent into hot pressing plasticizing pipe by paper tube adhesive, is finally carried out expanding axis and is extracted interior shaft device out after sizing, real
Craft paper is now affixed on to the inner wall of hot pressing plasticizing pipe；
2. outer tube roll paper: in rolling machine upper berth craft paper and coating paper tube adhesive, be then plasticized the hot pressing after inner shaft paster
Pipe, which is placed on the rolling machine, carries out roll paper, and outer tube rolls up layer 2-4 craft paper；
3. filling and leading up gap: being filled out while roll paper to the gap of roll paper rear surface meeting shape 1mm or so with aqueous putty
Fill mix it is flat；
4. surface coating: air-drying polishing after about 2-5 μm of surface coating of roll paper with toning aqueous putty.
The beneficial effects of the present invention are:
(1) the manufacturing method of the present invention uses the molding production technology of automated packing continuous hot-press, makes production efficiency ratio
It is existing to improve 5 times or more, and reduce in production process and arranged with a large amount of energy consumptions loss in paper and paper-making process with sewage
It puts, to substantially reduce production cost；
(2) the automatic truncation technique that continuously shaped can be produced and (can theoretically produce the tubing of endless) and can set,
Adequate condition is created for its marketization popularization；
(3) it is remote super present up to 2000N or more that the hot pressing made by is plasticized multiple tube its compression strength under 8mm wall thickness
Paper tube, and by this way made of tubing be seamless tubular goods, therefore its compression strength is high, is able to satisfy high demand.
Specific embodiment
A kind of pipe-making method for hot pressing plasticizing multiple tube that the embodiment provides, its main feature is that including following manufacturing step:
(1) applying wax mixes: according to the requirement of tubulation category, in mass ratio selection raw material, paraffin of arranging in pairs or groups is carried out uniformly mixed；
(2) helical feed: in the economizer bank before mixed raw material to be transported to using screw conveyor to tuber；
(3) pre- heated conveying: mixture is preheated to 100 DEG C or so rear screws in economizer bank and is delivered in tuber feed bin；
(4) stir pan feeding: after the motor for starting tuber, pan feeding driving lever or plectrum are stirred in feed bin under motor drive
Raw material drops into tubulation pan feeding chamber；
(5) be pushed down into mould: while blanking, the intracavitary pressure head of tubulation pan feeding is back and forth pushed, and raw material is constantly squeezed into
Into mold；
(6) plasticizing forming: heating mould makes raw material start plasticizing forming under the mould action of high fever, and with pressure head
It is continuous pressure and from the outlet end of mold squeeze out；
(7) guiding output: the formed pipe of extrusion under interior axis guiding device and the close device effect of trustship tune, interior spindle guide to
Stepping downlink in device；
(8) cut off aging: when the formed pipe pipe range of extrusion reaches established standards, formed pipe is cut in cutting mechanism starting
Disconnected, the formed pipe after cutting is put into concentrate on conveyer belt by the taking-up of Qu Guan mechanism to be transferred in aging storehouse aging 24 hours or more,
Ensure that formed pipe is plasticized completely；
(9) be surface-treated: the inner wall of formed pipe after weathering sticks craft paper by way of inner shaft paster, in aging
The outer wall of formed pipe afterwards sticks craft paper by way of outer tube roll paper, then applies toning aqueous putty on roll paper surface and carries out
Waterproofness, antistatic and color management processing；
(10) severing is packed: by formed pipe of the surface treatment after good according to requiring to carry out severing plus cured, then carrying out section mill
Inventory is packaged into according to mark after whetstone.
The embodiment is provided with casing flowing heat source preheating and two devices of helical feed in preheating transport portion, from
And it is able to maintain the material temperature into tubulation pan feeding chamber at 100 DEG C or so, it is ensured that the improved efficiency of hot pressing plasticizing.The embodiment
Tuber set there are two tubulation pan feeding chamber, include a pressure head and die material in each tubulation pan feeding chamber, it is described hydraulic
Corresponding each tubulation pan feeding chamber of standing is equipped with a hydraulic cylinder, and when one of hydraulic cylinder band dynamic head pushes, another is hydraulic
Cylinder drives another pressure head to return.The die material of the embodiment includes the variable diameter inner shaft and outer tube of 5 ° of angles and 1.2 variable diameters ratio,
When work in internal diameter and outer tube equal electrified regulation, so that the temperature of die material is maintained at 185 DEG C or so.Under oil cylinder pushing pressure head
Pressure, pressure head drives raw material to enter together during the depression process and squeezes guide section, and press-in die small end, pressure head reach lower limit
When, pressure head returns, when returning to upper limit, then row pressure, when pressure head is run, rod for stiring materials does not stall always dynamic, and raw material is dialled in
Tubulation pan feeding is intracavitary, and pressure head pushes again, and when pushing is about 3s, and when rising is about 3s.The die material of the embodiment it is inside and outside
Mould is about 500mm, and single pushes process about 15mm, gradually after plasticizing forming formed pipe need in mold discharge 130s or so.For
The internal-and external diameter of pressure head is designed stepped by increase coupling force, the embodiment, and it is mold that extreme position is extruded under pressure head is each
The place 0.5mm above variable diameter, leaves reversed embryo shape when pressure head returns, the reversed embryo shape ensure next batch of material in indentation with
There is the dislocation of 5mm to couple between this group material, increases coupling force.When depressing every time due to pressure head, air is had in fiber material, separately
Moisture containing 6%-8% and paraffin oxidation in external cause fiber material, and the die material of plasticizing forming reaches 500mm long again, therefore in order to
Avoid gas that from can not being discharged from lower end and generate high pressure and blow out phenomenon, which cuts in the internal model of die material equipped with segmented line
Exhaust seam is exhausted, and further be equipped with again in the external mold of die material cuts exhaust at the line of dislocation with the exhaust slit of internal model
Stitch combination exhaust, it is ensured that exhaust effect.
Formed pipe from die material during exporting, since formed pipe temperature at this time is also higher and not yet complete
Full sizing, therefore in order to ensure the concentricity and verticality of the formed pipe, which is equipped with guiding in the lower section of die material
Mechanism, the formed pipe can in the guiding mechanism stepping downlink.Further, as formed pipe output is increasingly longer, molding
Pipe weight is continuously increased, and to prevent gravity from breaking the formed pipe not being plasticized completely, which increases on the head exported
Pressure pin mechanism, to hold the head of formed pipe, pressure head pushes stepping, and the pressure pin of pressure pin mechanism steps in synchronization, i.e. pipe range support is moved back；
Further, pressure pin mechanism is not exclusively synchronous in order to prevent, which installs scalable 100mm elasticity additional in pressure pin mechanism
Mechanism fine tuning, meanwhile, by adjusting the displacement, it also can produce the resistance to displacement for adjusting formed pipe, to be directly realized tune
Save formed pipe density.
General formed pipeFor3 meters long, the formed pipe after cutting is deposited together together with guiding axis by the way that the taking-up of Qu Guan mechanism is latter
After putting 2 hours, guiding axis is taken out, allows formed pipe to concentrate from conveyer belt and is transferred in aging cabin aging 20 hours or more, it is ensured that at
The plasticizing effect of type pipe；It is surface-treated as needed later, the surface treatment of the embodiment includes following sub-step:
1. inner shaft paster: sticking craft paper in the inner shaft apparatus surface that can expand axis 2-3mm, then coated on craft paper surface
The interior shaft device is then sent into hot pressing plasticizing pipe by paper tube adhesive, is finally carried out expanding axis and is extracted interior shaft device out after sizing, real
Craft paper is now affixed on to the inner wall of hot pressing plasticizing pipe；
2. outer tube roll paper: in rolling machine upper berth craft paper and coating paper tube adhesive, be then plasticized the hot pressing after inner shaft paster
Pipe, which is placed on the rolling machine, carries out roll paper, and outer tube rolls up 2 layers of craft paper；
3. filling and leading up gap: being filled out while roll paper to the gap of roll paper rear surface meeting shape 1mm or so with aqueous putty
Fill mix it is flat；
4. surface coating: air-drying polishing after about 5 μm of surface coating of roll paper with toning aqueous putty.
Hot pressing plasticizing pipe surface paster can promote longitudinal pulling force, while increase the anti-pressure ability of product, also reach more
Good smooth surface effect and antistatic, then apply again once in the roll paper surfaces externally and internally of hot pressing plasticizing multiple tube according to need to mix colours
Aqueous putty, such formed pipe is dustless in smooth surface and antistatic and color management are all well solved.Finally
Formed pipe is bundled in groups according to 3 meters/root, is distributed to sales agent warehouse after simple packaging, sales agent is according to customer demand
It is truncated into customer demand size, while both ends truncation section is applied using hot melt adhesive envelope, hot pressing plasticizing multiple tube both ends is reduced and inhales
It is aqueous, family of seing a visitor out after spermatophore dress.
Although the present invention is to be described with reference to specific embodiments, this description is not meant to constitute limit to the present invention
System.Referring to description of the invention, those skilled in the art are to be anticipated that by other variations of the disclosed embodiments
, this variation should belong in appended claims limited range.
Claims (10)
1. a kind of pipe-making method of hot pressing plasticizing multiple tube, which is characterized in that including following manufacturing step:
(1) applying wax mixes: according to the requirement of tubulation category, in mass ratio selection raw material, paraffin of arranging in pairs or groups is carried out uniformly mixed；
(2) helical feed: in the economizer bank before mixed raw material to be transported to using screw conveyor to tuber；
(3) pre- heated conveying: mixture is preheated to 100 DEG C of rear screws in economizer bank and is delivered in tuber feed bin；
(4) stir pan feeding: after the motor for starting tuber, pan feeding driving lever or plectrum stir raw material in feed bin under motor drive
Drop into tubulation pan feeding chamber；
(5) be pushed down into mould: while blanking, the intracavitary pressure head of tubulation pan feeding is back and forth pushed, and raw material is constantly squeezed into mould
In tool；
(6) plasticizing forming: heating mould makes raw material start plasticizing forming under the mould action of high fever, and not with pressure head
Break and depresses and squeezed out from the outlet end of mold；
(7) guiding output: the formed pipe of extrusion is under interior axis guiding device and the close device effect of trustship tune, in interior axis guiding device
Middle stepping downlink；
(8) cut off aging: when the formed pipe pipe range of extrusion reaches established standards, formed pipe is cut off in cutting mechanism starting, is cut
The formed pipe having no progeny is put into concentrate on conveyer belt and be transferred in aging storehouse aging 24 hours or more by the taking-up of Qu Guan mechanism, it is ensured that at
Type pipe is plasticized completely；
(9) be surface-treated: the inner wall of formed pipe after weathering sticks craft paper by way of inner shaft paster, after weathering
The outer wall of formed pipe sticks craft paper by way of outer tube roll paper, then applies toning aqueous putty on roll paper surface and carries out waterproof
Property, antistatic and color management processing；
(10) severing is packed: by the formed pipe after surface treatment well according to progress severing is required, then being carried out after section tempers according to mark
It is packaged into inventory.
2. the pipe-making method of hot pressing plasticizing multiple tube according to claim 1, which is characterized in that pre- in the step (3)
Heated conveying includes casing flowing heat source preheating and helical feed, and the material temperature into tubulation pan feeding chamber is made to be maintained at 100 DEG C,
Ensure the improved efficiency of hot pressing plasticizing.
3. the pipe-making method of hot pressing plasticizing multiple tube according to claim 1, which is characterized in that in the step (5)
Pressure head is to drive to realize pushing or return by the hydraulic cylinder of hydraulic station, and motor rotates simultaneously, and the motor of hydraulic station, which synchronizes, to be opened
Dynamic, oil cylinder starts operation according to the pressure set and the program set, and oil cylinder pushing pressure head pushes, and pressure head is during the depression process
Raw material is squeezed into mold, return when pressure head reaches lower limit, raw material is pushed again when returning to upper limit and enters mold,
The pushing or return of the pressure head are 2-5 seconds.
4. the pipe-making method of hot pressing plasticizing multiple tube according to claim 3, which is characterized in that the tuber is equipped with two
A tubulation pan feeding chamber includes a pressure head and die material in each tubulation pan feeding chamber, and the hydraulic station corresponds to each tubulation
Pan feeding chamber is equipped with a hydraulic cylinder, and when one of hydraulic cylinder band dynamic head pushes, another hydraulic cylinder drives another pressure
Head returns.
5. the pipe-making method of hot pressing plasticizing multiple tube according to claim 1, which is characterized in that in the step (6)
Mold includes the variable diameter inner shaft and outer tube at 3-6 ° of angle and 1.1-1.2 variable diameter ratio, and when work is all made of logical in internal diameter and outer tube
Electric heating is maintained at the temperature of mold between 180 DEG C -210 DEG C.
6. the pipe-making method of hot pressing according to claim 5 plasticizing multiple tube, which is characterized in that in the step (6) by
Formed pipe after walking plasticizing forming need in mold pressure maintaining 130s, it is just crowded from the outlet end of mold with the continuous pressure of pressure head
Out.
7. hot pressing according to claim 1 is plasticized compound pipe-making method, which is characterized in that the internal-and external diameter of the pressure head designs
Stepped, it is to leave reversed embryo when pressure head returns above mold variable diameter at 0.5mm that extreme position is extruded under pressure head is each
Shape, the reversed embryo shape ensure that next batch of material has the dislocation of 4-6mm to couple in indentation between this group material, increase connection
Power.
8. the pipe-making method of hot pressing plasticizing multiple tube according to claim 1, which is characterized in that the internal model of the mold is set
The interior exhaust seam for having segmented line to cut, the external mold of the mold are equipped with the outlet air cleft with the interior exhaust slit of internal model at dislocation, pressure
Head is exhausted by the interior exhaust seam and outlet air cleft during the depression process.
9. the pipe-making method of hot pressing plasticizing multiple tube according to claim 1, which is characterized in that in the step (7)
Guiding output includes following sub-step:
1. inner shaft is oriented to: being docked by the removable inner shaft of inner shaft guiding device with mold internal model, make to squeeze from the outlet end of mold
Plasticizing forming pipe out enters stepping downlink in the inner shaft guiding device；
2. trustship is walked out of: the close device of trustship tune is arranged in the out-feed head of formed pipe, the supporting plate of the close device of trustship tune hold this at
Type pipe, with the output of formed pipe, supporting plate and plasticizing forming pipe export DL synchronization.
10. the pipe-making method of hot pressing plasticizing multiple tube according to claim 1, which is characterized in that in the step (9)
Surface treatment includes following sub-step:
1. inner shaft paster: sticking craft paper in the inner shaft apparatus surface that can expand axis 2-3mm, then coat paper tube on craft paper surface
The interior shaft device is then sent into hot pressing plasticizing pipe by glue, is finally carried out expanding axis and is extracted interior shaft device out after sizing, realizing will
Craft paper is affixed on the inner wall of hot pressing plasticizing pipe；
2. outer tube roll paper: in rolling machine upper berth craft paper and coating paper tube adhesive, then set the hot pressing plasticizing pipe after inner shaft paster
In carrying out roll paper on the rolling machine, outer tube rolls up layer 2-4 craft paper；
3. filling and leading up gap: with aqueous putty while roll paper to roll paper rear surface can shape 1mm gap be filled mix it is flat；
4. surface coating: air-drying polishing after about 2-5 μm of surface coating of roll paper with toning aqueous putty.
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| CN201610902284.2A CN106426993B (en) | 2016-10-17 | 2016-10-17 | A kind of pipe-making method of hot pressing plasticizing multiple tube |
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| CN201610902284.2A CN106426993B (en) | 2016-10-17 | 2016-10-17 | A kind of pipe-making method of hot pressing plasticizing multiple tube |
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| CN106426993B true CN106426993B (en) | 2019-05-14 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103600503A (en) * | 2013-10-22 | 2014-02-26 | 王庆昭 | Production method and production system of ultrahigh molecular weight polyethylene compound oil pipe |
| CN103692671A (en) * | 2013-12-31 | 2014-04-02 | 山东华信塑胶股份有限公司 | Manufacturing process of large-aperture variable-turn-angle PVC (polyvinyl chloride) pipe |
| CN104987619A (en) * | 2015-07-06 | 2015-10-21 | 江苏圣通环境工程有限公司 | PVC-U environment-friendly water supply pipe and machining process thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57144723A (en) * | 1981-03-05 | 1982-09-07 | Kendall & Co | Method of coating pipe |
| US20060091158A1 (en) * | 2004-10-29 | 2006-05-04 | Sonoco Development, Inc. | High-barrier plastic caulk cartridge and method of making same |
| US7913719B2 (en) * | 2006-01-30 | 2011-03-29 | Cooligy Inc. | Tape-wrapped multilayer tubing and methods for making the same |
-
2016
- 2016-10-17 CN CN201610902284.2A patent/CN106426993B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103600503A (en) * | 2013-10-22 | 2014-02-26 | 王庆昭 | Production method and production system of ultrahigh molecular weight polyethylene compound oil pipe |
| CN103692671A (en) * | 2013-12-31 | 2014-04-02 | 山东华信塑胶股份有限公司 | Manufacturing process of large-aperture variable-turn-angle PVC (polyvinyl chloride) pipe |
| CN104987619A (en) * | 2015-07-06 | 2015-10-21 | 江苏圣通环境工程有限公司 | PVC-U environment-friendly water supply pipe and machining process thereof |
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