CN107052799A - A kind of composite tube production system and production method - Google Patents
A kind of composite tube production system and production method Download PDFInfo
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- CN107052799A CN107052799A CN201710400716.4A CN201710400716A CN107052799A CN 107052799 A CN107052799 A CN 107052799A CN 201710400716 A CN201710400716 A CN 201710400716A CN 107052799 A CN107052799 A CN 107052799A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Abstract
The invention discloses a kind of composite tube production system and production method, belong to multiple tube manufacturing technology field.The present invention includes pipe crimping equipment and firing equipment, wherein, described pipe crimping equipment includes roller seat, a core roller and is distributed in many pressure rollers on core roller periphery, and one end of core roller and pressure roller is vertically set on roller seat；Many pressure rollers coordinate to rotate spirally is rolled into tubulose by composite plate, and core roller is wrapped in the multiple tube semi-finished product rolled into, and described firing equipment is heat-treated to rolling rear multiple tube semi-finished product.What the present invention was innovated spirally rolls ply-metal, the outer layer metal of two layers of ply-metal overlaps up and down, multiple tube is heated to certain temperature, along with overlying metal layer can be by certain pressure during pipe crimping, heating can be such that the similar glue of outer layer metal is equally bonded together, so that intensity is made can meet the multiple tube of requirement completely.
Description
Technical field
The present invention relates to multiple tube manufacturing technology field, more specifically to a kind of composite tube production system and production
Method.
Background technology
As the industries such as Aero-Space, ocean engineering, electricity power, petrochemical industry are continued to develop, homogenous material is in performance
On be increasingly difficult to meet actual use requirement, by two or more Material claddings with different performance together, significantly
The composite for improving comprehensive performance is increasingly subject to pay attention to.Composite bimetal pipe is typical laminar composite, inside and outside
Formed and combined closely by diffusion bond between mechanical press, atom or generation metallurgical reaction between layer tubing.Due to list
Combination property not available for one metal tube, compound be in control increasingly is widely applied.Wherein, typical class bimetal tube
Material is that a kind of metal meets intensity requirement or possesses excellent heat conductivity performance, and another metal has well anticorrosive or wear-resistant
Performance, so make bimetallic tubing not only have required high intensity, high heat conductance, but also with good anticorrosion,
The performance such as wear-resistant, Copper steel cladding pipe is Typical Representative among these.
At present, rolled and formed using copper plated steel (namely copper-steel composite plate) more than in the market Copper steel cladding pipe, wherein typical case
Be exactly Bundy tube, it is also known as double coiled welded tube, refers mainly to copper-steel composite plate and passes through the external diameter that is formed after 720 ° of pipe crimpings through soldering
In 4.6-10.6mm steel pipe.Bundy tube because with it is high pressure resistant, corrosion-resistant, antivibration fatigue strength is high the features such as, be that instead of automobile,
The preferable tubing of copper pipe in household electrical appliances.But the process that most of Bundy tubes crimp manufacture using copper-steel composite plate is very cumbersome, and by
Needed in Bundy tube by 720 ° of curlings of copper-steel composite plate, to copper-steel composite plate in aspect of performances such as intensity, adhesion, stress deformations
It it is also proposed higher requirement.
On the other hand, in the manufacture of Copper steel cladding pipe, it is necessary to by production technologies such as welding, but traditional soldering is not
Copper steel cladding pipe can well be welded, because the fusing point of copper is less than steel, if welded just for steel, two kinds may be made
Metal melt together, loses the intensity of original metal, and if welded just for copper, then pad may only have the strong of copper
Degree, therefore how to ensure that intensity meets requirement to Copper steel cladding pipe after welding, it is that solution Copper steel cladding pipe is wide variety of main
Problem.
Through retrieval, patent No. CN 201210057189.9, the applying date is on March 7th, 2012, and invention and created name is：One
Plant the manufacture method of steel tube wrapped with copper；This application case passes through 50 μm of mechanical press last layer on the single surface of 0.6mm thick carbon steel plates
Layers of copper；Again by tuber by copperplated steel formation Copper steel cladding pipe, now in the presence of along the axially extending longitudinal joint of pipe；Add
Material is filled using copper and copper alloy welding wire, and arc welding process uses cold metal transfer, and speed of welding uses 6m/min, welding protection gas
Using pure argon, longitudinal joint clearance control is between 0.8-1.0mm；The longitudinal joint of Copper steel cladding pipe by veneer reeling machine aftershaping is entered
Row high-speed and continuous is welded.This application case is wished by improving welding procedure, to ensure the intensity of steel tube wrapped with copper, but this application case master
Make carbon steel non-fusible, layers of copper fusing, to prevent the generation of copper steel intermetallic compound, it is ensured that welding quality, final solder joint is also
It is the intensity that there can only be copper, root problem can not be solved.
Patent No. CN201210392773.X, on October 17 2012 applying date, invention and created name is：A kind of composite bed
The preparation method of metallic conduit, this application case before the rolling, by immersion plating or spraying method, in steel plate, the table to be composite of copper coin
Plate a laminated gold plate on face respectively, the thickness of the coating is to contain with the following group in 4~8 μm, and the alloy layer
Point：The Zr of 6~8 parts by weight, the Zn of 25~50 parts by weight, the Al of 5~30 parts by weight, the Fe of 10~40 parts by weight, 0.5~1 weight
Measure the Si, the Mo of 0.4~0.8 parts by weight of part.This application case by add a specific proportioning alloy layer, come increase steel with
The associativity of copper, makes complex copper Steel material have high intensity, high-plasticity；This application case also be can yet be regarded as a kind of good method, but be added
The mode cost of adduction gold plate is higher, and the preparation process of composite layer metal pipeline also becomes more cumbersome, and application is poor.
The content of the invention
1. the invention technical problem to be solved
It is an object of the invention to overcome the problem of existing ply-metal is difficult to welding compound there is provided one kind
Pipe production system and production method；What the present invention was innovated spirally rolls ply-metal, up and down two layers of bimetallic
The outer layer metal of composite plate is overlaped, and multiple tube is heated into certain temperature, along with overlying metal layer during pipe crimping
Can be by certain pressure, heating can be such that the similar glue of outer layer metal is equally bonded together, completely can be with so that intensity is made
Meet desired multiple tube.
2. technical scheme
To reach above-mentioned purpose, the technical scheme that the present invention is provided is：
A kind of composite tube production system of the present invention, including pipe crimping equipment and firing equipment, wherein, described pipe crimping equipment
By composite plate, helically formula is rolled into tubulose, and described firing equipment is heat-treated to rolling rear multiple tube semi-finished product.
As further improvement of the present invention, described pipe crimping equipment includes roller seat, a core roller and is distributed in core
One end of many pressure rollers on roller periphery, core roller and pressure roller is vertically set on roller seat；Many pressure rollers, which coordinate, to be rotated and will be combined
Plate is spirally rolled into tubulose, and core roller is wrapped in the multiple tube semi-finished product rolled into.
As further improvement of the present invention, the direction of rotation of described core roller and composite plate helically coiling direction phase
Instead.
As further improvement of the present invention, described firing equipment is arranged at side of the pipe crimping equipment away from roller seat,
A part for the core roller is located in firing equipment.
As further improvement of the present invention, welding machine is provided between pipe crimping equipment and firing equipment, the welding machine
Welding gun is directed at the metal section seam of multiple tube semi-finished product.
As further improvement of the present invention, described welding machine is disposed in proximity to the entering at the mouth of pipe of firing equipment.
As further improvement of the present invention, described pressure roller is provided with root, and root pressure roller is uniformly distributed in core roller week
Side, described core roller is flexibly connected with roller seat, and the distance between two pressure rollers being oppositely arranged can adjust.
As further improvement of the present invention, one end core print of described core roller inside firing equipment is using Ni-based
Alloy is made.
As further improvement of the present invention, described firing equipment is heating in medium frequency or high-frequency heating apparatus.
A kind of composite tube production method of the present invention, control pressure roller and core roller are rotated, and send into composite plate, and many pressure rollers are matched somebody with somebody
Close to rotate and composite plate is spirally rolled into tubulose, and core roller is wrapped in the multiple tube semi-finished product rolled into, core roller
Direction of rotation and composite plate helically coiling are in opposite direction；Roll rear multiple tube semi-finished product to enter before firing equipment, welding gun alignment
The metal section seam crossing of multiple tube semi-finished product carries out soldering at initial stage, is re-fed into firing equipment and carries out intermediate frequency or high-frequency heating, from
Firing equipment output is multiple tube finished product.
3. beneficial effect
The technical scheme provided using the present invention, compared with existing known technology, with following remarkable result：
(1) a kind of composite tube production system of the invention, by composite plate, helically formula is rolled into tubulose for it, is combined for two layers up and down
The outer layer metal of plate will large area overlap, then multiple tube is heated to certain temperature, and right during pipe crimping
Overlying metal layer imposes certain pressure, i.e., the similar glue of overlying metal layer can be made equally to be bonded together, so that intensity is made
The multiple tube of requirement can be met completely；
(2) a kind of composite tube production system of the invention, it is contemplated that any appliance only has in use, flexibly not by
Limitation, could really improve its practicality, set core roller to be flexibly connected with roller seat, and between two pressure rollers being oppositely arranged away from
From adjustable；In this way, in actual production process, can be required according to the different tube diameters of the multiple tube of required processing, core is changed
Roller, and the distance between two pressure rollers being oppositely arranged are adjusted, the use flexibility of whole pipe crimping equipment and adaptability have been obtained very
The raising of big degree；
(3) a kind of composite tube production system of the invention, designs the direction of rotation and composite plate helically coiling side of core roller
To on the contrary, the setting of core roller is on the one hand as the very convenient composite pipes shaping of stator core, on the other hand, if core roller is kept
Certain speed rotates, and its direction of rotation is in opposite direction with composite plate helically coiling, then not only facilitates core roller to aid in pressure roller will
Rear multiple tube semi-finished product are rolled to be fed forward to firing equipment, and opposite steering can make to roll rear multiple tube and be integrated with an expansion
, adjacent layer composite plate can be received tighter and tighter, can have a larger frictional force between each contact copper metal layer, be easy to overlapping
Metal level is combined；
(4) a kind of composite tube production system of the invention, firing equipment uses heating in medium frequency or high-frequency heating apparatus, intermediate frequency
After heating or high-frequency heating, electromagnetic wave passes through layers of copper, heats internal layer steel, and steel is heated to after certain temperature, heat can be led into copper
On layer, multiple tube is rapid heated, in this way, under the collective effect of tension force, friction and heat, lap layers of copper is can class
Equally quickly it is bonded together like glue, forms pipeline；
(5) a kind of composite tube production system of the invention, sets welding machine between pipe crimping equipment and firing equipment, this is welded
The welding gun of machine is directed at the metal section seam of multiple tube semi-finished product, and welding machine is disposed in proximity into the entering at the mouth of pipe of firing equipment,
I.e. before multiple tube semi-finished product after rolling enter firing equipment, the metal section seam crossing of welding gun alignment multiple tube semi-finished product is used
The mode of soldering welds last layer copper, in this way, the rotation for the tension force, multiple tube itself that the rotation of core roller opposite direction is provided can cover copper
Cover in section so that whole multiple tube be all copper on surface, centre is copper-steel-copper mixture, it is ensured that the surface soldered of multiple tube
Quality；
(6) a kind of composite tube production system of the invention, one end core print of the design core roller inside firing equipment is used
Nickel-base alloy is made, and the caliber of multiple tube is slightly smaller than the diameter of core roller core head, the similar lathe tool one of core roller after design pipe crimping
Sample, carries out polishing processing, the inner surface quality of such multiple tube is also guaranteed to compound pipe internal surface；
(7) a kind of composite tube production method of the invention, first, right relative to 720 ° of pipe rolling techniques of traditional Bundy tube
Copper-steel composite plate accordingly reduces many in the requirement of the aspect of performances such as intensity, adhesion, stress deformation；Secondly Bundy tube is to use
Whole plate pipe crimping is formed, and whole plate is also 6 meters as to be 6 meters long, then made the pipe come, and client is when needing 5m long tubes, just necessary
Block, which results in very big waste；By comparison, the present invention is to roll into a homogeneous tube using narrow boards spiral, can basis
Client needs to manufacture the multiple tube of correspondence length, and in terms of material is saved, tool has great advantage.
Brief description of the drawings
Fig. 1 is a kind of structural representation of composite tube production system of the present invention.
Label declaration in schematic diagram：
1st, roller seat；2nd, core roller；3rd, pressure roller；4th, composite plate；5th, welding machine；6th, firing equipment；7th, multiple tube.
Embodiment
To further appreciate that present disclosure, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1
In view of existing composite bimetal pipe in process, because the fusing point of two kinds of different metals is different, how
Ensure the weld strength of composite bimetal pipe in welding procedure, be always a great problem that annoying technical staff in field.
A kind of composite tube production system and production method are present embodiments provided, the technological principle that the present embodiment is utilized is mainly：Will
Helically formula is rolled into tubulose to composite plate 4, up and down the outer layer metal of two layers of composite plate 4 will large area overlap, then will
Multiple tube 7 is heated to certain temperature, and certain pressure is imposed to overlying metal layer during pipe crimping, i.e., can make overlapped metal
The similar glue of layer is equally bonded together, so that intensity is made can meet the multiple tube of requirement completely.
Based on above-mentioned principle, the present embodiment mainly to be specifically addressed exemplified by the Copper steel cladding pipe for having typical representative,
Other similarity composite bimetal pipes are equally applicable, in view of length is limited, are repeated no more.
With reference to Fig. 1, a kind of composite tube production system of the present embodiment mainly includes pipe crimping equipment and firing equipment 6, described
Pipe crimping equipment is mainly responsible, and by composite plate 4, helically formula is rolled into tubulose, can realize that the pipe crimping device structure design of the function should
There are many kinds, include roller seat 1, a core roller 2 specific to the pipe crimping equipment described in the present embodiment and be distributed in the periphery of core roller 2
Many pressure rollers 3, one end of core roller 2 and pressure roller 3 is vertically set on roller seat 1；Many pressure rollers 3 are mainly turned by coordinating
It is dynamic that composite plate 4 is spirally rolled into tubulose, and core roller 2 is wrapped in the multiple tube semi-finished product rolled into.
In actual applications, visual different situations design pressure roller 3 be 4,6 it is even more many, the present embodiment is set from pipe crimping
Standby structural complexity, operation ease and manufacturing cost angularly consider that it is 4 to set pressure roller 3, and 4 pressure rollers 3 are uniformly distributed in
The periphery of core roller 2.Furthermore, it is contemplated that any appliance only has in use, and it is flexibly unrestricted, could really it improve in fact
With property, the present embodiment sets core roller 2 to be flexibly connected with roller seat 1, and the distance between two pressure rollers 3 being oppositely arranged can adjust.
In this way, in process of production, can be required according to the different tube diameters of the multiple tube 7 of required processing, core roller 2 is changed, and adjust two
The distance between pressure roller 3 being oppositely arranged, the use flexibility of whole pipe crimping equipment and adaptability have obtained significantly carrying
It is high.
The present embodiment also has the direction of rotation and the helically coiling direction of composite plate 4 that an important feature is core roller 2
Conversely.On the one hand the setting of core roller 2 shapes as the very convenient multiple tube 7 of stator core, is on the other hand also critically important one
Point, if core roller 2 keeps certain speed rotation, and its direction of rotation and the helically coiling of composite plate 4 are in opposite direction, then not only square
Just core roller 2 aids in 4 pressure rollers 3 to roll rear multiple tube semi-finished product being fed forward to firing equipment 6, and opposite steering can make
Roll rear multiple tube and be integrated with an expansion, adjacent layer composite plate 4 can be received tighter and tighter, have between each contact copper metal layer one compared with
Big frictional force, it may also be said to have a larger pressure, if being certainly not reach required welding completely by friction
Temperature.So the present embodiment is provided with firing equipment 6 in side of the pipe crimping equipment away from roller seat 1, heat in the present embodiment
Equipment 6 is an intermediate frequency heater.A part for core roller 2 is located in the intermediate frequency heater, and it can will roll rear multiple tube half
Finished product sends into the intermediate frequency heater, and due to copper not magnetic conduction, steel is magnetic conduction, so after heating in medium frequency, electromagnetic wave passes through layers of copper, plus
Hot internal layer steel, steel is heated to after certain temperature, can be led heat in layers of copper, and multiple tube is rapid heated, and core roller 2 is right again
Multiple tube provides a reverse tension force, under the collective effect of tension force, friction and heat, and lap layers of copper is can similar glue
Water is equally bonded together, and forms pipeline.Due to composite plate 4, helically formula is rolled into tubulose, the big face of layers of copper of adjacent layer composite plate 4
Long-pending is overlapping, therefore has the faying face of a large area, and the intensity that composite tube welding junction can be so met completely will
Ask.
The present embodiment is based on spirally rolling combination, increases contact area to reach the intensity requirement at solder bond, creates
New devises a composite tube production system, relative to 720 ° of pipe rolling techniques of traditional Bundy tube.First, the present embodiment is answered
Conjunction pipe operation system structure is simple, manufacturing cost is low, be easy to operation, and production efficiency is remarkably improved；Secondly, the present embodiment
Many is also accordingly reduced in the requirement of the aspect of performances such as intensity, adhesion, stress deformation to copper-steel composite plate；Also one very prominent
The advantage gone out is that Bundy tube is formed using whole plate pipe crimping, and whole plate is as being 6 meters long, then it is also 6 meters to make the pipe come, and objective
When family needs 5m long tubes, it must just block, which results in very big waste.By comparison, the present embodiment is to use narrow boards spiral shell
A homogeneous tube is made in circumvolution, can be needed to manufacture the multiple tube of correspondence length according to client, in terms of material is saved, the present embodiment
Tool has great advantage.
Embodiment 2
A kind of composite tube production system of the present embodiment, basic be the same as Example 1, its difference is：Due to current city
The copper-steel composite plate sold on face, its section is not handled, the steel of section part be it is exposed outside, if multiple after rolling
Conjunction pipe semi-finished product are sent directly into intermediate frequency heater and are heat-treated, and the surface quality of Copper steel cladding pipe can be poor, and to composite plate
Section handle and be faced with the problem of processing cost is high.In view of this, the present embodiment is in pipe crimping equipment and firing equipment 6
Welding machine 5 is set between (firing equipment 6 uses heating generator in the present embodiment), the welding gun of the welding machine 5 is directed at multiple tube half
The metal section seam of finished product, and welding machine 5 is disposed in proximity to the entering at the mouth of pipe of firing equipment 6.Multiple tube half i.e. after rolling
Finished product enters before firing equipment 6, and the metal section seam crossing of welding gun alignment multiple tube semi-finished product burn-ons one with the mode of soldering
Layer copper, in this way, copper can be covered in section by the rotation for the tension force, multiple tube 7 itself that the rotation of the opposite direction of core roller 2 is provided so that
Whole multiple tube 7 be all copper on surface, centre is copper-steel-copper mixture, it is ensured that the surface soldered quality of multiple tube.
The multiple tube production process of the present embodiment is：Control pressure roller 3 and core roller 2 are rotated, and send into composite plate 4, many pressures
Roller 3 coordinates to rotate spirally is rolled into tubulose by composite plate 4, and core roller 2 is wrapped in the multiple tube semi-finished product rolled into, core
The direction of rotation of die 2 and the helically coiling of composite plate 4 are in opposite direction；Rear multiple tube semi-finished product are rolled to enter before firing equipment 6,
The metal section seam crossing of welding gun alignment multiple tube semi-finished product carries out soldering at initial stage, is re-fed into firing equipment 6 and carries out high-frequency heating,
Heating-up temperature is set to 800 DEG C, and what it is from the output of firing equipment 6 is multiple tube finished product.
Embodiment 3
A kind of composite tube production system of the present embodiment, basic be the same as Example 2, its difference is：Embodiment 2 is solved
The outer surface quality problem of multiple tube, but compound pipe internal surface is it is equally possible that there are quality caused by metal section seam is asked
Topic.It is made therefore, the present embodiment designs one end core print of the core roller 2 inside firing equipment 6 of nickel-base alloy, nickel-base alloy
There is heat resistant and wear resistant.And the caliber of multiple tube is slightly smaller than the diameter of the core print of core roller 2, core roller 2 after design pipe crimping
The effect of a drawing stator is served as, and similar lathe tool is the same, and compound pipe internal surface is carried out polishing processing, such multiple tube
Inner surface quality is also guaranteed, and the multiple tube that heated equipment 6 is exported directly is exactly finished product, without doing post-production again,
The processing efficiency of multiple tube is further enhanced, and processing cost is significantly reduced.
Schematical above that the present invention and embodiments thereof are described, the description does not have restricted, institute in accompanying drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited thereto.So, if the common skill of this area
Art personnel are enlightened by it, without departing from the spirit of the invention, are designed and the technical scheme without creative
Similar frame mode and embodiment, all should belong to protection scope of the present invention.
Claims (10)
1. a kind of composite tube production system, it is characterised in that：Including pipe crimping equipment and firing equipment (6), wherein, described pipe crimping
By composite plate (4), helically formula is rolled into tubulose to equipment, and described firing equipment (6) carries out hot place to rolling rear multiple tube semi-finished product
Reason.
2. a kind of composite tube production system according to claim 1, it is characterised in that：Described pipe crimping equipment includes roller seat
(1), a core roller (2) and many pressure rollers (3) on core roller (2) periphery are distributed in, one end of core roller (2) and pressure roller (3) is equal
It is vertically set on roller seat (1)；Many pressure rollers (3) coordinate to rotate spirally is rolled into tubulose by composite plate (4), and by core roller
(2) it is wrapped in the multiple tube semi-finished product rolled into.
3. a kind of composite tube production system according to claim 2, it is characterised in that：The rotation of described core roller (2)
Direction and composite plate (4) helically coiling are in opposite direction.
4. a kind of composite tube production system according to claim 3, it is characterised in that：Described firing equipment (6) is set
In side of the pipe crimping equipment away from roller seat (1), a part for the core roller (2) is located in firing equipment (6).
5. a kind of composite tube production system according to claim any one of 2-4, it is characterised in that：Pipe crimping equipment and plus
Welding machine (5) is provided between hot equipment (6), the welding gun of the welding machine (5) is directed at the metal section seam of multiple tube semi-finished product.
6. a kind of composite tube production system according to claim 5, it is characterised in that：Described welding machine (5), which is arranged at, to be leaned on
Nearly firing equipment (6) are entered at the mouth of pipe.
7. a kind of composite tube production system according to claim 6, it is characterised in that：Described pressure roller (3) is provided with 4
Root, 4 pressure rollers (3) are uniformly distributed in core roller (2) periphery, and described core roller (2) is flexibly connected with roller seat (1), and two is relative
The distance between pressure roller (3) of setting can adjust.
8. a kind of composite tube production system according to claim 7, it is characterised in that：Described core roller (2) is in heating
The internal one end core print of equipment (6) is made of nickel-base alloy.
9. a kind of composite tube production system according to claim 8, it is characterised in that：During described firing equipment (6) is
Frequency heating or high-frequency heating apparatus.
10. a kind of composite tube production method, it is characterised in that：Control pressure roller (3) and core roller (2) to rotate, send into composite plate
(4), many pressure rollers (3) coordinate to rotate spirally is rolled into tubulose by composite plate (4), and core roller (2) is wrapped in into what is rolled into
In multiple tube semi-finished product, the direction of rotation of core roller (2) and composite plate (4) helically coiling are in opposite direction；Roll rear multiple tube half
Finished product enters before firing equipment (6), and the metal section seam crossing of welding gun alignment multiple tube semi-finished product carries out soldering at initial stage, then send
Enter firing equipment (6) and carry out intermediate frequency or high-frequency heating, what it is from firing equipment (6) output is multiple tube finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710400716.4A CN107052799A (en) | 2017-05-31 | 2017-05-31 | A kind of composite tube production system and production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710400716.4A CN107052799A (en) | 2017-05-31 | 2017-05-31 | A kind of composite tube production system and production method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107052799A true CN107052799A (en) | 2017-08-18 |
Family
ID=59616185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710400716.4A Pending CN107052799A (en) | 2017-05-31 | 2017-05-31 | A kind of composite tube production system and production method |
Country Status (1)
| Country | Link |
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| CN (1) | CN107052799A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113245756A (en) * | 2021-05-27 | 2021-08-13 | 燕山大学 | Double-layer composite pipe straight seam welding heating device and process thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB477526A (en) * | 1935-07-05 | 1937-12-30 | Wiley William Mcminn | Improvements in the manufacture of hollow tubular metal members |
| CN1108159A (en) * | 1994-03-07 | 1995-09-13 | 东北重型机械学院南校 | Spiral-weld tube formation extruding machine |
| CN206747958U (en) * | 2017-05-31 | 2017-12-15 | 马鞍山市吉利机械设备有限公司 | A kind of composite tube production system |
-
2017
- 2017-05-31 CN CN201710400716.4A patent/CN107052799A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB477526A (en) * | 1935-07-05 | 1937-12-30 | Wiley William Mcminn | Improvements in the manufacture of hollow tubular metal members |
| CN1108159A (en) * | 1994-03-07 | 1995-09-13 | 东北重型机械学院南校 | Spiral-weld tube formation extruding machine |
| CN206747958U (en) * | 2017-05-31 | 2017-12-15 | 马鞍山市吉利机械设备有限公司 | A kind of composite tube production system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113245756A (en) * | 2021-05-27 | 2021-08-13 | 燕山大学 | Double-layer composite pipe straight seam welding heating device and process thereof |
| CN113245756B (en) * | 2021-05-27 | 2022-04-15 | 燕山大学 | Double-layer composite pipe straight seam welding heating device and process thereof |
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