CN108202095A - Bronze pan tube ovality control system - Google Patents
Bronze pan tube ovality control system Download PDFInfo
- Publication number
- CN108202095A CN108202095A CN201711498198.0A CN201711498198A CN108202095A CN 108202095 A CN108202095 A CN 108202095A CN 201711498198 A CN201711498198 A CN 201711498198A CN 108202095 A CN108202095 A CN 108202095A
- Authority
- CN
- China
- Prior art keywords
- unit
- straightening roll
- deep trouth
- tube
- control system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910000906 Bronze Inorganic materials 0.000 title claims abstract description 28
- 239000010974 bronze Substances 0.000 title claims abstract description 28
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 238000004276 ovality control Methods 0.000 title claims abstract description 23
- 238000012937 correction Methods 0.000 claims abstract description 16
- 238000012545 processing Methods 0.000 claims abstract description 12
- 238000004804 winding Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 25
- 229910052802 copper Inorganic materials 0.000 abstract description 25
- 239000010949 copper Substances 0.000 abstract description 25
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 3
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D21/00—Combined processes according to methods covered by groups B21D1/00 - B21D19/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/02—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/08—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/08—Bending rods, profiles, or tubes by passing between rollers or through a curved die
Abstract
The present invention provides a kind of bronze pan tube ovality control systems, are related to coil pipe production system technical field, and including clamping and conveying device, rectification unit, vertical correction unit, pre- ellipse element and bend unit, the rectification unit includes：Deep trouth straightening roll；The deep trouth straightening roll is oppositely arranged, and is formed with elliptical tube processing channel between the deep trouth straightening roll being oppositely arranged, and is entered in the vertical correction unit by the elliptical tube of the rectification unit；The vertical correction unit includes：Deep trouth straightening roll；The deep trouth straightening roll is oppositely arranged, and is formed with elliptical tube processing channel between the deep trouth straightening roll being oppositely arranged, and solves the problems, such as that oval copper pipe easily deformation technology occurs in winding or intermediate link.
Description
Technical field
The present invention relates to coil pipe production system technical field, more particularly, to a kind of bronze pan tube ovality control system.
Background technology
Bronze pan tube is a kind of common non-ferrous metal tube.It is to be wound in determine by copper pipe or copper-alloy pipe-material blank blank
Diameter coil pipe is made.(including copper and copper alloy etc., other than material is different, basic structure is homogeneous for conventional bronze pan tube
Together, therefore claim bronze pan tube below) original tube, be curled into big outer diameter copper pipe after rolling and drawing, tube billet is by multi-pass drawing
It pulls out to finished product or makes its softening through online annealing, be reprocessed into finished product, be then transferred to winding working procedure, will be managed using Winding machine
After material is wound in the sizing coil pipe of shallow bid diameter, the annealing furnace for being transported to heat treatment procedure is annealed, is packed, and is finally delivered and is used
Family.
The bronze pan tube finished product of prior art production, in copper pipe ovality production process it is difficult to ensure that；It is wound in copper pipe reel
Once, bronze pan tube circularity can be only achieved certain requirement to preceding ellipse pre- according to a certain percentage.
The information for being disclosed in the background technology part is merely intended to deepen understanding of the general background technology to the present invention, and
It is not construed as recognizing or implies that the information forms the prior art known to those skilled in the art in any form.
Invention content
The purpose of the present invention is to provide bronze pan tube ovality control system, to alleviate ellipse in the prior art
Copper pipe is easily winding or intermediate link deform the technical issues of.
A kind of bronze pan tube ovality control system provided by the invention, including：It is clamping and conveying device, rectification unit, vertical
Correcting unit, pre- ellipse element and bend unit, the rectification unit include：Deep trouth straightening roll；
The deep trouth straightening roll is oppositely arranged, and elliptical tube processing is formed between the deep trouth straightening roll being oppositely arranged
Channel enters by the elliptical tube of the rectification unit in the vertical correction unit；
The vertical correction unit includes：Deep trouth straightening roll；
The deep trouth straightening roll is oppositely arranged, and elliptical tube processing is formed between the deep trouth straightening roll being oppositely arranged
Channel.
Further, the bend unit includes：Roller and pre- oval roller；
The roller is used cooperatively with the pre- oval roller, so that the elliptical tube is from the roller and the pre- oval roller
Pass through in the processing channel of formation, complete the winding of the bending to the elliptical tube.
Further, the clamping and conveying device includes：Shallow slot straightening roll；
The shallow slot straightening roll is oppositely arranged, by the shallow slot straightening roll that is oppositely arranged by the elliptical tube pinch to
Next operating unit.
Further, the pre- ellipse element includes：Pre- ellipse roller；
The long axis D of the pre- oval roller is ranging from：120mm-134mm.
Further, the distance d of two notches of the pre- oval roller is ranging from：112mm-118mm.
Further, the depth r1 of the notch is ranging from：1mm-12mm.
Further, the width r2 of the notch is ranging from：2-14mm.
Further, the bend unit for make the stress of the elliptical tube that the pre- ellipse element processes into
Row neutralizes, so that the integral strength enhancing of the elliptical tube.
Further, the elliptical tube for needing to process is delivered to the horizontal resistance straightening unit by the clamping and conveying device；
The horizontal resistance straightening unit is provided with one group of deep trouth straightening roll；
The elliptical tube come out from the horizontal resistance straightening unit enters the vertical resistance straightening unit；
The vertical resistance straightening unit is provided with one group of deep trouth straightening roll.
Further, enter the pre- ellipse element from the elliptical tube of the vertical resistance straightening unit output so that institute
State the pre- ovality of elliptical tube ranging from：3%-6%.
Using bronze pan tube ovality control system provided by the invention, have the advantages that：
Bronze pan tube ovality control system provided by the invention, including：Clamping and conveying device, rectification unit, vertical correction
Unit, pre- ellipse element and bend unit, the rectification unit include：Deep trouth straightening roll；Deep trouth straightening roll is oppositely arranged,
And elliptical tube processing channel is formed between the deep trouth straightening roll being oppositely arranged, enter by the elliptical tube of rectification unit and hang down
In straight correcting unit；Vertical correction unit includes：Deep trouth straightening roll；Deep trouth straightening roll is oppositely arranged, and the deep trouth being oppositely arranged
Elliptical tube processing channel is formed between straightening roll.
Here by the way that the straightening roll of shallow slot form of the prior art to be made into the straightening roll of deep trouth form, to solve on business
Poor problem, because when copper pipe diameter is slightly larger than standard size in practice, the problem of ovality is larger, and idler wheel edge can scrape copper, from
And increase the qualification rate of the production of copper pipe.By using the straightening roll of deep trouth in rectification unit and vertical correction unit,
Have for the total quality of copper pipe and be substantially improved, the aligning and set round to copper pipe play the role of extremely important.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is bronze pan tube ovality control system complete layout provided in an embodiment of the present invention；
Fig. 2 is the structure diagram of deep trouth straightening roll provided in an embodiment of the present invention；
Fig. 3 is the structure diagram of shallow slot straightening roll provided in an embodiment of the present invention；
Fig. 4 is the structure diagram of roller provided in an embodiment of the present invention；
Fig. 5 is the close-up schematic view of the A of Fig. 4 provided in an embodiment of the present invention；
Fig. 6 is the structure diagram of pre- oval roller provided in an embodiment of the present invention；
Fig. 7 is the close-up schematic view of the B of Fig. 6 provided in an embodiment of the present invention.
Icon：100- clamping and conveying devices；200- rectification units；300- vertical correction units；400- is pre- oval single
Member；500- bend units；600- deep trouth straightening rolls；700- shallow slot straightening rolls；800- rollers；The pre- oval rollers of 900-.
Specific embodiment
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's all other embodiments obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instructions such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Convenient for the description present invention and simplify description rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is only used for description purpose, and it is not intended that instruction or hint relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
The specific embodiment of the present invention is described in detail below in conjunction with attached drawing.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
Fig. 1 is bronze pan tube ovality control system complete layout provided in an embodiment of the present invention；Fig. 2 is implemented for the present invention
The structure diagram for the deep trouth straightening roll 600 that example provides；Fig. 3 is the structure of shallow slot straightening roll 700 provided in an embodiment of the present invention
Schematic diagram；Fig. 4 is the structure diagram of roller 800 provided in an embodiment of the present invention；Fig. 5 is Fig. 4 provided in an embodiment of the present invention
A close-up schematic view；Fig. 6 is the structure diagram of pre- oval roller 900 provided in an embodiment of the present invention；Fig. 7 is this hair
The close-up schematic view of the B for Fig. 6 that bright embodiment provides.
Fig. 1-7 are please referred to, bronze pan tube ovality control system provided in an embodiment of the present invention is done below in conjunction with attached drawing
It is described in detail.
A kind of bronze pan tube ovality control system that at least one embodiment of the present invention provides, including：Clamping and conveying device 100,
Rectification unit 200, vertical correction unit 300, pre- ellipse element 400 and bend unit 500, rectification unit 200 wrap
It includes：Deep trouth straightening roll 600；
Deep trouth straightening roll 600 is oppositely arranged, and it is logical that elliptical tube processing is formed between the deep trouth straightening roll 600 being oppositely arranged
Road enters by the elliptical tube of rectification unit 200 in vertical correction unit 300；
Vertical correction unit 300 includes：Deep trouth straightening roll 600；
Deep trouth straightening roll 600 is oppositely arranged, and it is logical that elliptical tube processing is formed between the deep trouth straightening roll 600 being oppositely arranged
Road.
It should be noted that here by the way that the straightening roll of shallow slot form of the prior art to be made into the aligning of deep trouth form
Roller, to solve because of tolerance issues, because when copper pipe diameter is slightly larger than standard size in practice, ovality is larger, the meeting of idler wheel edge
The problem of scraping copper, so as to increase the qualification rate of the production of copper pipe.Pass through rectification unit 200 and vertical correction unit 300
The middle straightening roll using deep trouth has the total quality of copper pipe and is substantially improved, and the aligning set round of copper pipe is played extremely
Important role.
In addition, bend unit 500 includes：Roller 800 and pre- oval roller 900；
Roller 800 is used cooperatively with pre- oval roller 900, so that elliptical tube adds from roller 800 with what pre- oval roller 900 was formed
Pass through in work channel, complete the bending winding to elliptical tube.
It should be noted that being used cooperatively by long axis semicircle and short axle semicircle, is folded over copper pipe with reaching
Ensure better ovality in journey, reduce deformation ratio, and cause elliptical tube early period since pre- ellipse element 400 is pre- oval single
Member 400 deforms, and then actively deforms copper pipe, then offseted by bending Passive deformation into bend unit 500, single in winding
The ovality of the copper pipe ensured is realized at member.
In addition, clamping and conveying device 100 includes：Shallow slot straightening roll 700；
Shallow slot straightening roll 700 is oppositely arranged, and is pinched elliptical tube to next behaviour by the shallow slot straightening roll 700 being oppositely arranged
Make unit.
Here shallow slot straightening roll 700 is a simple process for playing conveying and pinching, so that in transmission process
Any damage will not be caused to copper pipe.
Specifically, elliptical tube mentioned in the present invention is copper pipe, is not to represent different tubing.
In addition, pre- ellipse element 400 includes：Pre- ellipse roller 900；
The long axis D of pre- ellipse roller 900 is ranging from：120mm-134mm.
The distance d of two notches of pre- ellipse roller 900 is ranging from：112mm-118mm.
The depth r1 of notch is ranging from：1mm-12mm.
The width r2 of notch is ranging from：2-14mm.
It should be noted that most suitable proportioning is obtained by multigroup experiment, to reach in order to which production pipe wall is relatively thin and straight
During the bigger copper pipe of diameter, meet certain pre- ovality so that pre- ovality can reach 3%, 5% or 6%.
In addition, the stress of elliptical tube that bend unit 500 is used to process pre- ellipse element 400 is neutralized, with
So that the integral strength enhancing of the elliptical tube.
Therefore pass through the roller 800 in the pre- oval roller 900 and bend unit 500 to pre- ovality unit and pre- ellipse
The improvement of the structure size of roller 900, makes actively deform copper pipe early period, then is offseted by bending Passive deformation, subsequent
The copper pipe of opposing circular is realized at rolling unit.
In addition, the elliptical tube for needing to process is delivered to horizontal resistance straightening unit by clamping and conveying device 100；
Horizontal resistance straightening unit is provided with one group of deep trouth straightening roll 600；
The elliptical tube come out from horizontal resistance straightening unit enters vertical resistance straightening unit；
Vertical resistance straightening unit is provided with one group of deep trouth straightening roll 600.
The bronze pan tube ovality control system of the present invention is illustrated above, still, the present invention is not limited to above-mentioned
Specific embodiment without departing from the scope of the claims, can carry out various deformations or change.Present invention packet
Include various modifications within the scope of the claims and change.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution recorded in foregoing embodiments either to which part or all technical features into
Row equivalent replacement；And these modifications or replacement, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of bronze pan tube ovality control system, including：Clamping and conveying device, rectification unit, vertical correction unit, pre- ellipse
Unit and bend unit, which is characterized in that
The rectification unit includes：Deep trouth straightening roll；
The deep trouth straightening roll is oppositely arranged, and it is logical that elliptical tube processing is formed between the deep trouth straightening roll being oppositely arranged
Road enters by the elliptical tube of the rectification unit in the vertical correction unit；
The vertical correction unit includes：Deep trouth straightening roll；
The deep trouth straightening roll is oppositely arranged, and it is logical that elliptical tube processing is formed between the deep trouth straightening roll being oppositely arranged
Road.
2. bronze pan tube ovality control system according to claim 1, which is characterized in that the bend unit includes：It is curved
Roller and pre- oval roller；
The roller is used cooperatively with the pre- oval roller, so that the elliptical tube is formed from the roller and the pre- oval roller
Processing channel in pass through, complete the bending to the elliptical tube winding.
3. bronze pan tube ovality control system according to claim 1, which is characterized in that the clamping and conveying device includes：It is shallow
Slot straightening roll；
The shallow slot straightening roll is oppositely arranged, and is pinched the elliptical tube to next by the shallow slot straightening roll being oppositely arranged
Operating unit.
4. bronze pan tube ovality control system according to claim 1, which is characterized in that the pre- ellipse element includes：
Pre- ellipse roller；
The long axis D of the pre- oval roller is ranging from：120mm-134mm.
5. bronze pan tube ovality control system according to claim 4, which is characterized in that two slots of the pre- oval roller
The distance d of mouth is ranging from：112mm-118mm.
6. bronze pan tube ovality control system according to claim 5, which is characterized in that the model of the depth r1 of the notch
Enclose for：1mm-12mm.
7. bronze pan tube ovality control system according to claim 5, which is characterized in that the model of the width r2 of the notch
Enclose for：2-14mm.
8. bronze pan tube ovality control system according to claim 1, which is characterized in that the bend unit is used to make institute
It states the stress of the elliptical tube that pre- ellipse element processes to be neutralized, so that the integral strength of the elliptical tube increases
By force.
9. bronze pan tube ovality control system according to claim 1, which is characterized in that the clamping and conveying device will need to add
The elliptical tube of work is delivered to the horizontal resistance straightening unit；
The horizontal resistance straightening unit is provided with one group of deep trouth straightening roll；
The elliptical tube come out from the horizontal resistance straightening unit enters the vertical resistance straightening unit；
The vertical resistance straightening unit is provided with one group of deep trouth straightening roll.
10. bronze pan tube ovality control system according to claim 1, which is characterized in that from the vertical resistance straightening unit
The elliptical tube of output enters the pre- ellipse element so that the pre- ovality of the elliptical tube is ranging from：3%-6%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711498198.0A CN108202095B (en) | 2017-12-29 | 2017-12-29 | Copper Coil Ovality Control System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711498198.0A CN108202095B (en) | 2017-12-29 | 2017-12-29 | Copper Coil Ovality Control System |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108202095A true CN108202095A (en) | 2018-06-26 |
| CN108202095B CN108202095B (en) | 2024-04-09 |
Family
ID=62605279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711498198.0A Active CN108202095B (en) | 2017-12-29 | 2017-12-29 | Copper Coil Ovality Control System |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108202095B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109676056A (en) * | 2018-12-28 | 2019-04-26 | 纪雄伟 | A kind of quadrangle R arc evaporators with special-shaped pipes production system and production method and evaporator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09110292A (en) * | 1995-10-23 | 1997-04-28 | Hitachi Cable Ltd | Winder of thin pipe |
| KR200373181Y1 (en) * | 2004-10-23 | 2005-01-15 | 김광부 | A correct apparatus of a metal pipe |
| CN202045188U (en) * | 2011-04-29 | 2011-11-23 | 金川集团有限公司 | Horizontal rewinding device for copper-nickel alloy disc stretched tube |
| CN102996647A (en) * | 2012-12-10 | 2013-03-27 | 中山市盈科轴承制造有限公司 | Bearing unit used for copper pipe straightening and applied copper pipe straightening device thereof |
| CN104588437A (en) * | 2013-10-30 | 2015-05-06 | 朱建平 | Production method and pipe-coiling device of non-ferrous metal coil pipes |
| CN106311800A (en) * | 2015-06-17 | 2017-01-11 | 江苏兴荣高新科技股份有限公司 | Winding method and winding machine |
| CN208033368U (en) * | 2017-12-29 | 2018-11-02 | 重庆龙煜精密铜管有限公司 | Bronze pan tube ovality control system |
-
2017
- 2017-12-29 CN CN201711498198.0A patent/CN108202095B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09110292A (en) * | 1995-10-23 | 1997-04-28 | Hitachi Cable Ltd | Winder of thin pipe |
| KR200373181Y1 (en) * | 2004-10-23 | 2005-01-15 | 김광부 | A correct apparatus of a metal pipe |
| CN202045188U (en) * | 2011-04-29 | 2011-11-23 | 金川集团有限公司 | Horizontal rewinding device for copper-nickel alloy disc stretched tube |
| CN102996647A (en) * | 2012-12-10 | 2013-03-27 | 中山市盈科轴承制造有限公司 | Bearing unit used for copper pipe straightening and applied copper pipe straightening device thereof |
| CN104588437A (en) * | 2013-10-30 | 2015-05-06 | 朱建平 | Production method and pipe-coiling device of non-ferrous metal coil pipes |
| CN106311800A (en) * | 2015-06-17 | 2017-01-11 | 江苏兴荣高新科技股份有限公司 | Winding method and winding machine |
| CN208033368U (en) * | 2017-12-29 | 2018-11-02 | 重庆龙煜精密铜管有限公司 | Bronze pan tube ovality control system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109676056A (en) * | 2018-12-28 | 2019-04-26 | 纪雄伟 | A kind of quadrangle R arc evaporators with special-shaped pipes production system and production method and evaporator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108202095B (en) | 2024-04-09 |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Junbiao Inventor after: Guo Wenzheng Inventor after: Chang Junjie Inventor after: Hu Tingming Inventor before: Guo Wenzheng Inventor before: Liu Junbiao Inventor before: Li Qiang Inventor before: Hu Tingming Inventor before: Chen Wenfeng Inventor before: Chang Junjie |
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| GR01 | Patent grant |