CN106077128B - A kind of manufacturing method and its production line of resinous coat aluminum pipe - Google Patents
A kind of manufacturing method and its production line of resinous coat aluminum pipe Download PDFInfo
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- CN106077128B CN106077128B CN201610383584.4A CN201610383584A CN106077128B CN 106077128 B CN106077128 B CN 106077128B CN 201610383584 A CN201610383584 A CN 201610383584A CN 106077128 B CN106077128 B CN 106077128B
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- aluminum pipe
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- pipe
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- synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
Abstract
The invention discloses a kind of manufacturing methods of resinous coat aluminum pipe, including aluminum pipe supply stage (S1)；The linearization(-sation) stage (S2) of aluminum pipe；The drawing stage (S3) of straight tube；The wash phase (S4) of aluminum pipe by drawing；The imprint stage (S5) of aluminum pipe through over cleaning；The warm-up phase (S6) that the aluminum pipe by coining is preheated with non-contact inductive heater；The coating stage (S7) for the synthetic resin that coating contains priming paint is continuously bonded on the aluminum pipe by preheating；By the cooling stage (S8) for being bonded the aluminum pipe of coating；Pull the above-mentioned stage (S9) through overcooled coated pipe；The cutting stage (S10) of automatic cutting is carried out to coat of synthetic resin pipe.For the present invention from the supply stage of aluminum pipe raw material to coining, adhesive coatings and automatic cutting, all process steps realize continuous and automatic, can not only realize mass production by automating, improve productivity, moreover it is possible to improve product quality.
Description
Technical field
The invention belongs to aluminum pipe preparation field more particularly to a kind of manufacturing methods and its production line of resinous coat aluminum pipe.
Background technology
In general, life household electrical appliances, automobile, building, shipbuilding and other industrial pipes generally use various metal tubes.Example
Such as：For transmit the air-conditioner pipe of refrigerant, refrigerator pipe, vehicle refrigerating unit pipe, building system pipe, Shipbuilding pipe, facility pipe,
Industrial chiller pipeline and hydraulic line etc..At present using such metal material pipeline when, for prevent copper (Cu) manage or its
His metal tube corrodes, it is necessary to be used after gold-plated, not only tube body is heavy, but also cost is higher.In addition, due to international raw material cost
Go up and raw material supply and demand problem, metal tube are faced with numerous difficulties.Therefore, with expensive and more bulky copper facing and gold-plated
Belong to pipe to compare, manufacturing process is simple, light, characteristic is good, the aluminum pipe of environmental protection is widely used at present.But the resistance to punching of aluminum pipe
Hitting property is weaker, perishable when being exposed, and durability and alkali resistance are poor, it is difficult to show multiple color, high pressure is born in inside
Position it is easily rupturable, safety coefficient is relatively low.
On the other hand, generally can be in the end welding portion copper pipe of aluminum pipe in order to cost-effective, but contact of the aluminium with copper is held
Easily corrode because of potential difference.To prevent potential difference corrosion, it is non-stick also synthetic resin to be carried out on the aluminum pipe of part
Coating is connect, but aluminium is easily detached with synthetic resin, because dew condensation phenomenon occurs in temperature difference, then aluminum pipe is caused to corrode.To solve
Problems, recently universal high molecular synthetic resins such as coating polypropylene, polyethylene and polyamide on aluminum pipe.For example,
What Ebrean Registered Patent 10-0384127 illustrated is a kind of by carrying out prime treatment coating polymer resin in aluminum tube surfaces
Method.But this method, after carrying out prime treatment, priming paint is melting drip using the stage that high fever is aluminum pipe preheating, leads
The bonding force of coat of synthetic resin is caused to decline.In pulling process, smooth aluminum tube surfaces are detached with synthetic resin.For solve with
Upper problem, some people first can smear adhesive in aluminum tube surfaces, then apply plated resin again.For example, Ebrean Registered Patent
No. 10-0887710 elaboration is that gel shape adhesive, the method for then applying plated resin again are smeared in aluminum tube surfaces by a kind of elder generation；Day
No. 5-186119 introduction of this Unexamined Patent is to form adhesive phase in aluminum pipe peripheral surface, is then forming rigid plastics resin above
The resin-coated metal tube of layer.But the shortcomings that such method is that there is still a need for use adhesive, technique more difficult and multiple
It is miscellaneous, while also bonding force can be caused to decline with temperature change, to make the bonding force of aluminum pipe and interlaminar resin decline, cause to own
The durability of resinous coat aluminum pipe is low.
Invention content
In order to overcome the defects of the prior art, a kind of manufacturing method and its production line of resinous coat aluminum pipe are provided.
The present invention is realized by following proposal：
A kind of manufacturing method of resinous coat aluminum pipe, includes the following steps：
Aluminum pipe supplies stage S1；
The linearization(-sation) stage S2 of aluminum pipe；
The drawing stage S3 of straight tube；
The wash phase S4 of aluminum pipe by drawing；
The imprint stage S5 of aluminum pipe through over cleaning；
The warm-up phase S6 that the aluminum pipe by coining is preheated with non-contact inductive heater；
The coating stage S7 for the synthetic resin that coating contains priming paint is continuously bonded on the aluminum pipe by preheating；
By the cooling stage S8 for being bonded the aluminum pipe of coating；
Pull the above-mentioned stage S9 through overcooled coated pipe；
The cutting stage S10 of automatic cutting is carried out to coat of synthetic resin pipe.
A kind of production line of resinous coat aluminum pipe, the production line include the reeler of connection corresponding with aluminum pipe, reeler with
Straight trip machine, Drawing die set, cleaning machine, marking press, high frequency induction heater, plater, cooler, hoist engine, automatic gas cutting machine
It is front and back to be sequentially connected, and the aluminum pipe after reeler is handled successively pass through straight trip machine, Drawing die set, cleaning machine, marking press,
High frequency induction heater, plater, cooler, hoist engine, automatic gas cutting machine.
Beneficial effects of the present invention are：
The manufacturing method and its production line of a kind of resinous coat aluminum pipe of the present invention synthesize tree with thermoplasticity to increase aluminum pipe
Fat applies the bonding force of interlayer, and the manufacturing method of the resinous coat aluminum pipe in the present invention and the resin manufactured by this method apply
Layer aluminum pipe is to carry out coining processing in aluminum tube surfaces, and being then continuously bonded the thermal plastic high polymer that coating contains priming paint on surface closes
At resin, using a kind of novel synthetic resin coated layer method, this method need not both carry out prime treatment, also not use viscous
Mixture, while the bonding force of aluminum pipe and synthetic resin coated interlayer can also be increased.
In addition, the manufacturing method of the resinous coat aluminum pipe in the present invention is a kind of novel aluminum pipe production method, it is from aluminium
The supply stage of pipe raw material realizes continuous and automatic to coining, adhesive coatings and automatic cutting, all process steps, can not only pass through
Automation, which is realized, produces in enormous quantities, improves productivity, moreover it is possible to improve product quality.
Description of the drawings
Fig. 1 is a kind of process flow diagram of the manufacturing method of resinous coat aluminum pipe of the present invention；
Fig. 2 is a kind of system block diagram of the production line of resinous coat aluminum pipe of the present invention；
Fig. 3 is the sectional view of product, that is, resinous coat aluminum pipe of the present invention；
Fig. 4 is the detail of construction of marking press of the present invention.
Specific implementation mode
With reference to specific embodiment, the present invention is further described：
A kind of manufacturing method of resinous coat aluminum pipe, includes the following steps：
Aluminum pipe supplies stage S1；
The linearization(-sation) stage S2 of aluminum pipe；
The drawing stage S3 of straight tube；
The wash phase S4 of aluminum pipe by drawing；
The imprint stage S5 of aluminum pipe through over cleaning；
The warm-up phase S6 that the aluminum pipe by coining is preheated with non-contact inductive heater；
The coating stage S7 for the synthetic resin that coating contains priming paint is continuously bonded on the aluminum pipe by preheating；
By the cooling stage S8 for being bonded the aluminum pipe of coating；
Pull the above-mentioned stage S9 through overcooled coated pipe；
The cutting stage S10 of automatic cutting is carried out to coat of synthetic resin pipe.
A kind of production line of resinous coat aluminum pipe, the production line include the reeler 10 of connection corresponding with aluminum pipe 20, unreel
Machine 10 and straight trip machine 11, Drawing die set 12, cleaning machine 13, marking press 14, high frequency induction heater 15, plater 16, cooler
17, it is sequentially connected before and after hoist engine 18, automatic gas cutting machine 19, and the aluminum pipe 20 passes through directly successively after the processing of reeler 10
Row machine 11, Drawing die set 12, cleaning machine 13, marking press 14, high frequency induction heater 15, plater 16, cooler 17, hoist engine
18, automatic gas cutting machine 19.
The invention will be further described below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, the manufacturing method of above-mentioned resinous coat aluminum pipe is to improve gluing between aluminum pipe and synthetic resin
With joint efforts, after aluminum tube surfaces carry out coining processing, the continuous synthetic resin for being bonded coating and containing priming paint, using a kind of bottomless
Lacquer craftwork.
For this purpose, the manufacturing method of the resinous coat aluminum pipe in the present invention includes the supply stage (S1) of supply aluminum pipe (20)；
The imprint stage (S5) of coining processing is carried out on above-mentioned aluminum pipe (20) surface；For the warm-up phase of above-mentioned aluminum pipe (20) preheating
(S6)；The coating stage (S7) for the macromolecule resin that coating contains priming paint is bonded on above-mentioned aluminum pipe (20).
First, reeler (10) need to be prepared in the supply stage (S1) of supply aluminum pipe (20), allowed by squeezing and drawing work
The aluminum pipe (20) of sequence manufacture is unfolded under rolled state.
That is, first in above-mentioned supply stage (S1), the aluminium dish pipe of curling is unfolded with reeler (10), keeps aluminum pipe former
Material can be supplied continuously and automatically.
Followed by the aluminum pipe (20) for allowing above-mentioned reeler (10) to supply becomes the linearization(-sation) stage (S2) of straight line.
The aluminum pipe (20) that the stage will be wrapped in the flexuosity on reeler (10) forms straight line, allows aluminum pipe (20)
By the straight trip machine (11) being made of multiple idler wheels, aluminum pipe (20) is made to stretch.
Followed by the drawing stage (S3) drawn to straight aluminum pipe (20).
The stage is the out of roundness for adjusting aluminum pipe (20), allows straight aluminum pipe (20) by Drawing die set (12), by aluminum pipe (20)
It is adjusted to correct proper circle.
In drawing stage, elliptical aluminum pipe (20) will be become in extruding-drawing, winding process with Drawing die set (13)
Outer diameter out of roundness adjust to outer diameter tolerance.Followed by the wash phase (S4) of removal aluminum pipe (20) Superficial Foreign Body etc..
The stage be allow on Drawing die set (12) continuously across aluminum pipe (20) enter that cleaning machine (13) is internal, and removal is stained on aluminum pipe
(20) impurity such as the drawing oil on surface.At this moment, it is proposed that the washings containing detergent are sprayed at aluminum pipe (20) surface.Then
Into imprint stage (S5), coining processing is carried out on clean aluminum pipe (20) surface.In imprint stage, increased with marking press (14)
The roughness on surface improves bonding force of the aluminum pipe (20) between synthetic resin.At this moment, it is proposed that increase the roughness of aluminum tube surfaces
To 1.0-10.0 μm.
The detail of construction of marking press (14) of the present invention is as shown in figure 4, utilize the multiple coinings being arranged in around aluminum pipe (20)
It takes turns (14a), such as 6 carry out coining processing in the coining wheel (14a) of 45° angle in 60 ° of angles or 8 on aluminum pipe (10) surface.
The hard roller surface of above-mentioned coining wheel (14a) processes multiple jogs with NC high rate discharge devices, is covered with whole surface,
That is it is 1.0-10.0 μm or so of male and fomale(M＆F) that hard roller surface, which forms roughness, using the jog, aluminum pipe (20) is allowed
Can to form roughness be 1.0-10.0 μm of bumps on surface.
Then the idler wheel in 60 ° of angles that 6 surface roughnesses are 1.0-10.0 μm is installed, it is right during aluminum pipe transmits
Aluminum tube surfaces carry out coining processing, increase the bonding force of macromolecule resin.Here the symbol not being illustrated：14a is that coining is taken turns；
14b represents rolling wheel support；14c is represented as idler wheel and provides stressed spring；14d represents idler wheel branch of the support including idler wheel
The supporting block of all components such as frame, spring.
Followed by the warm-up phase (S6) preheated to the aluminum pipe (20) by coining processing.
The stage preheats aluminum pipe (20) surface before coating synthetic resin in advance, to increase the bonding of synthetic resin
Power.Non-contact high-frequency induction heater (15) is used when preheating.Above-mentioned warm-up phase (S6) uses non-contact high-frequency
The surface temperature of aluminum pipe (20) is preheated to 200-400 DEG C by induction heater (15), is improved bonding painting and is plated in aluminum pipe (20) surface
Synthetic resin bonding force.Followed by coating contains priming paint by the way of being continuously bonded on the aluminum pipe (20) by preheating
Synthetic resin the coating stage (S7).The stage allows aluminum pipe (20) by including resin extruder (not shown) and extrusion die
The plater (16) of (not shown) contains general priming paint (adhesive) in prior aluminum pipe (20) surface bonding coating by preheating
Synthetic resin, under certain temperature and linear velocity by high molecular synthetic resin bonding apply be plated in aluminum pipe (20) surface.Coating rank
The synthetic resin that section (S7) uses can carry color, and therefore, the coat of synthetic resin that bonding painting is plated in aluminum pipe (20) surface can
Show multiple color.General resinous coat aluminum pipe can be used to be adopted for the synthetic resin that bonding painting is plated in above-mentioned aluminum pipe (20) surface
Resin.The continuous coating of above-mentioned coating stage (S7) contains the synthetic resin of priming paint, and advantage is to be not necessarily to other prime treatment works
Sequence.
Followed by the cooling stage (S8) for allowing bonding to apply aluminum pipe (20) cooling for being coated with synthetic resin.The stage allows completion
The aluminum pipe (20) of high fever coating by using washings spray pattern cooler (17).Followed by it pulls and completes cooling aluminum pipe
(20) the elevator stage (S9).The stage pulls aluminum pipe (20) in order to allow aluminum pipe (20) to complete series-operation, with hoist engine (18).
Above-mentioned hoist engine (18) continuously pulls aluminum pipe (20), it can be ensured that the straight trip power of pipe allows aluminum pipe (20) can be from the raw material supply stage
Each stage is continuously entered, all stage uses continuous automation procedure.There is synthetic resin followed by Coating
Aluminum pipe (20) carries out the cutting stage (S10) of automatic cutting.The stage is with electrotome (19) by resinous coat aluminum pipe (20)
Certain length is cut into, continuous automatic cutting is completed with the circle cutter of rotation is (not shown).By automatic cutting rank
Section, all resinous coat aluminum pipes (20) as shown in figure 3, by aluminum pipe (20) surface formed coining (21) strengthen aluminum pipe (20) with
Bonding force between coat of synthetic resin (22) solves the problems, such as that aluminum pipe is easy to detach with resin.
Accordingly, be wrapped in aluminum pipe raw material on reeler continuously across linearization(-sation), proper circle, cleaning, coining, heating, coating,
Cooling, elevator and automatic cutting stage make the manufacturing process of resinous coat aluminum pipe more effective using automation procedure, it is ensured that
The continuity of process is, it can be achieved that produce in enormous quantities.On the other hand, it is not necessarily to prime treatment process, adhesive is not used, using nothing
Priming paint technique improves the bonding force between aluminum pipe and synthetic resin, improves the durability of resinous coat aluminum pipe.
The manufacturing method of resinous coat aluminum pipe in the present invention has following characteristics.
The manufacturing method of above-mentioned resinous coat aluminum pipe includes supplying the supply stage of aluminum pipe；It is pressed in above-mentioned aluminum tube surfaces
Print the imprint stage of processing；For the warm-up phase of the above-mentioned aluminum pipe preheating by coining；And in the above-mentioned aluminum pipe by preheating
Upper bonding coating contains the coating stage of the high molecular synthetic resin of priming paint.Especially in imprint stage, with marking press by surface
Roughness is improved to 1.0-10.0 μm, can increase the bonding force between aluminum pipe and synthetic resin, moreover it is possible to be carried using bottomless lacquer craftwork
Bonding force between high aluminum pipe and coat of synthetic resin.
In above-mentioned warm-up phase, it is proposed that with non-contact high-frequency induction heater by aluminum pipe within 3 seconds or so time
Surface temperature is preheated to 200-400 DEG C.
The above-mentioned supply stage includes the process for drawing aluminum pipe, in the pulling process, with Drawing die set in extruding-drawing
The out of roundness for becoming elliptical pipe outside diameter in the process is adjusted to outer diameter tolerance.
At the same time, the manufacturing method in the present invention further includes after the coating stage, with the circle cutter of rotation to band
There is the pipe of coat of synthetic resin to carry out the cutting stage of continuous automatic cutting.
Although having done more detailed elaboration to technical scheme of the present invention and having enumerated, it should be understood that for ability
For field technique personnel, modification is made to above-described embodiment or uses equivalent alternative solution, this is to those skilled in the art
It is it is clear that these modifications or improvements without departing from theon the basis of the spirit of the present invention, belong to the present invention for member
Claimed range.
Claims (1)
1. a kind of manufacturing method of resinous coat aluminum pipe, which is characterized in that the manufacturing method includes the following steps：
Aluminum pipe supplies the stage (S1)；
The linearization(-sation) stage (S2) of aluminum pipe；
The drawing stage (S3) of straight tube；
The wash phase (S4) of aluminum pipe by drawing；
The imprint stage (S5) of aluminum pipe through over cleaning；
The warm-up phase (S6) that the aluminum pipe by coining is preheated with non-contact inductive heater；
The coating stage (S7) for the synthetic resin that coating contains priming paint is continuously bonded on the aluminum pipe by preheating；
By the cooling stage (S8) for being bonded the aluminum pipe of coating；
Pull the above-mentioned stage (S9) through overcooled coated pipe；
The cutting stage (S10) of automatic cutting is carried out to coat of synthetic resin pipe；
Production line used by the manufacturing method includes the reeler (10) of connection corresponding with aluminum pipe (20), reeler (10) with
Straight trip machine (11), Drawing die set (12), cleaning machine (13), marking press (14), high frequency induction heater (15), plater (16),
Cooler (17), hoist engine (18), automatic gas cutting machine (19) are front and back to be sequentially connected, and the aluminum pipe (20) passes through reeler (10)
Pass through straight trip machine (11), Drawing die set (12), cleaning machine (13), marking press (14), high frequency induction heater after processing successively
(15), plater (16), cooler (17), hoist engine (18), automatic gas cutting machine (19).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610383584.4A CN106077128B (en) | 2016-06-01 | 2016-06-01 | A kind of manufacturing method and its production line of resinous coat aluminum pipe |
Applications Claiming Priority (1)
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|---|---|---|---|
| CN201610383584.4A CN106077128B (en) | 2016-06-01 | 2016-06-01 | A kind of manufacturing method and its production line of resinous coat aluminum pipe |
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| Publication Number | Publication Date |
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| CN106077128A CN106077128A (en) | 2016-11-09 |
| CN106077128B true CN106077128B (en) | 2018-08-17 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108722821A (en) * | 2018-05-30 | 2018-11-02 | 浙江康盛股份有限公司 | A kind of organic coat aluminum pipe and its processing method |
| KR102152450B1 (en) * | 2019-08-06 | 2020-09-07 | 우한기 | Method for manufacturing multi layered aluminium pipe for air conditioner and multi layered aluminium pipe produced thereby |
| CN110802002A (en) * | 2019-12-06 | 2020-02-18 | 宁波慧创新材料科技有限公司 | Aluminum pipe surface resin coating system |
| CN111618121A (en) * | 2020-06-24 | 2020-09-04 | 汤松 | Full-automatic metal hose machine |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS6110448A (en) * | 1984-06-26 | 1986-01-17 | 新日本チユ−ブ工業株式会社 | Laminated tube and manufacture thereof |
| JP2959829B2 (en) * | 1990-10-22 | 1999-10-06 | 昭和電線電纜株式会社 | Manufacturing method of rubber roller coated with fluororesin tube |
| CN100455397C (en) * | 2004-01-14 | 2009-01-28 | 臼井国际产业株式会社 | Method for removing resin layer from resin-coated metal tube |
| CN1321798C (en) * | 2004-02-10 | 2007-06-20 | 广州励进新技术有限公司 | Method and apparatus for producing inside and outside anticorrosion steel-plastic composite pipe |
| KR100887710B1 (en) * | 2008-10-30 | 2009-03-11 | 남궁영 | The aluminum tube and process for producing same |
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