CN1327983C - Aluminum alloy tubing straightening method and special fixture thereof - Google Patents
Aluminum alloy tubing straightening method and special fixture thereof Download PDFInfo
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- CN1327983C CN1327983C CNB2004100206532A CN200410020653A CN1327983C CN 1327983 C CN1327983 C CN 1327983C CN B2004100206532 A CNB2004100206532 A CN B2004100206532A CN 200410020653 A CN200410020653 A CN 200410020653A CN 1327983 C CN1327983 C CN 1327983C
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- alloy pipe
- aluminium alloy
- special fixture
- framework
- aligning
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 34
- 210000000080 chela (arthropods) Anatomy 0.000 claims abstract description 40
- 238000010438 heat treatment Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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Abstract
The present invention provides an aluminium alloy pipe straightening method which is characterized in that an aluminum alloy pipe is arranged on a drawing machine via a special fixture to carry out micro-drawing so as to realize straightening; simultaneously, the tensile strength of the aluminium alloy pipe can be improved, and deformed parts at both ends are removed after the aluminium alloy pipe is straightened. The present invention also provides the special fixture for the aluminium alloy pipe straightening method which is characterized in that the special fixture is composed of a framework, a fixed pressing block with pincer teeth, a movable pressing block with pincer teeth, a screw rod and a choke plug, wherein the fixed pressing block with pincer teeth is directly fixed on the framework, the movable pressing block with pincer teeth is arranged on the framework via the screw rod, and the position of the movable pressing block with pincer teeth is opposite to the position of the fixed pressing block with pincer teeth; the choke plug is used to plug one end of the aluminum alloy pipe so as to prevent the end of the aluminum alloy pipe from being squashed. The aluminium alloy pipe straightening method of the present invention has the advantages that the straightening quality is ensured and the operation is convenient; simultaneously, the tensile strength of the aluminum alloy pipe is improved.
Description
Technical field
The present invention relates to the method for aligning of aluminium alloy pipe.
Background technology
Aluminium alloy pipe often produces crooked deformation after heat treatment, just need align.Existing tube straightening method is aligned with roller after all adopting and filling sand in the tubing.So far also do not see this method is used for aluminium alloy pipe, even adopt this method can not guarantee that aluminium alloy pipe is not crushed.
Summary of the invention
The purpose of this invention is to provide a kind of straightening quality but also easy aluminium alloy pipe method for aligning of not only having guaranteed.
The invention provides a kind of aluminium alloy pipe method for aligning, it is characterized in that: aluminium alloy pipe is contained in by special fixture 1 carries out micro-drawing on the drawbench 2, realize aligning with this, can improve the tensile strength of aluminium alloy pipe simultaneously again, remove the two ends crushed element behind the aligning.
Described micro-drawing is meant that the deformation of aluminium alloy pipe is 0.5%～3.0%;
Special fixture is made up of the fixedly briquetting 14 of framework 11, band pincers tooth 12, movable holddown 16, screw rod 15 and the chock plug 17 of band pincers tooth 12, the fixedly briquetting 14 of band pincers tooth 12 directly is fixed on the framework 11, the movable holddown 16 of band pincers tooth 12 is contained on the framework 11 by screw rod 15, and its position is relative with the fixedly briquetting 14 of band pincers tooth 12.
The present invention also provides the special fixture of described aluminium alloy pipe method for aligning, it is characterized in that: form by the fixedly briquetting 14 of framework 11, band pincers tooth 12, movable holddown 16, screw rod 15 and the chock plug 17 of band pincers tooth 12, the fixedly briquetting 14 of band pincers tooth 12 directly is fixed on the framework 11, the movable holddown 16 of band pincers tooth 12 is contained on the framework 11 by screw rod 15, its position is relative with the fixedly briquetting 14 of band pincers tooth 12, chock plug 17 is used to fill in the end of aluminium alloy pipe, is not crushed to keep the aluminium alloy pipe end.
Also be fixed with guide plate 13 on the framework 11 of the special fixture of aluminium alloy pipe method for aligning provided by the invention, both restraint briquetting 16 rotated, again the moving direction of boot activity briquetting 16.
Band described in the special fixture of aluminium alloy pipe method for aligning provided by the invention clamps the fixedly briquetting 14 of tooth 12 and can make briquetting respectively and clamp tooth 12 two parts composition so that make and increase the hardness of pincers tooth 12 with the movable holddown 16 of band pincers tooth 12, briquetting is connected with pincers tooth 12 usefulness inclined-planes, make between the briquetting of tubing top end opening greater than the opening of inner end, to guarantee further to clamp aluminium alloy pipe in the drawing process.
The pincers tooth 12 of the special fixture of aluminium alloy pipe method for aligning provided by the invention can connect with spring assembly 18 to each other, so that unload aluminium alloy pipe behind the aligning.
In the special fixture of aluminium alloy pipe method for aligning provided by the invention, described chock plug 17 can be made taper and have handle, so that take off from aluminium alloy pipe the aligning back.
The advantage of aluminium alloy pipe method for aligning provided by the invention is: not only guaranteed straightening quality but also easy, also improved the tensile strength of aluminium alloy pipe simultaneously.
Description of drawings
Fig. 1 is aluminium alloy pipe clamping schematic diagram on drawbench;
Fig. 2 is that the structure master of aluminium alloy pipe method for aligning special fixture looks schematic diagram (chock plug 17 is not shown);
Fig. 3 is the structure cross-sectional schematic (chock plug 17 is not shown) of aluminium alloy pipe method for aligning special fixture
The specific embodiment
Embodiment 1
The external diameter of aluminium alloy pipe is 20mm, and wall thickness is 1.6mm, long 2000mm.After heat treatment the deflection degree of aluminium alloy pipe is 2.0mm/m, and yield strength is 290kg/cm
2
Be contained on the drawbench 2 with special fixture 1 provided by the invention, as shown in Figure 1, special fixture (shown in Fig. 2,3) by framework 11, pincers tooth 12, guide plate 13, fixedly briquetting 14, screw rod 15, movable holddown 16, chock plug 17 and spring assembly 18 are formed.Fixedly briquetting 14 directly is fixed on the framework 11, movable holddown 16 is contained on the framework 11 by screw rod 15, and the position of movable holddown also is fixed with guide plate 13 with fixedly briquetting 14 is relative on the framework 11, both restraint briquetting 16 rotated, again the moving direction of boot activity briquetting 16; Movable holddown 16 and fixedly 14 of briquettings be inserted with pincers tooth 12 respectively, briquetting 14 is connected with pincers tooth 12 usefulness inclined-planes with 16, makes between the briquetting of tubing top end opening greater than the opening of inner end, to guarantee further clamping aluminium alloy pipe in the drawing process; Pincers tooth 12 connects with spring assembly 18 to each other, so that unload aluminium alloy pipe behind the aligning; The taper chock plug 17 that has handle is used to fill in the end of aluminium alloy pipe, is not crushed to keep the aluminium alloy pipe end.
Clamping method is as follows: rotary screw 15 promotes movable holddown 16, and upper clamp tooth 12 rises under spring assembly 18 effects, and chock plug 17 is filled in aluminium alloy pipe one end, and aluminium alloy pipe is packed between the two pincers teeth 12, and rotary screw 15 compresses briquetting.The other end with same method clamping aluminium alloy pipe.
Start drawbench 2 and carry out drawing.Drawing deformation is 0.5%.
The deflection degree of aluminium alloy pipe is 0.25～0.22% after the drawing, and yield strength is 340kg/cm
2, tensile strength reaches 480kg/cm
2
The external diameter of aluminium alloy pipe is 50mm, and wall thickness is 2.5mm, long 7000mm.The deflection degree of aluminium alloy pipe after heat treatment is 0.2mm/m, and yield strength is 290kg/cm
2Installation on drawbench 2 and Hubbing method are with embodiment 1.Drawing deformation is 2.0%.Deflection degree is 0.12～0.08mm/m after the drawing, and yield strength is 396kg/cm
2, tensile strength reaches 506kg/cm
2
Embodiment 3
The external diameter of aluminium alloy pipe is 25mm, and wall thickness is 1.8mm, long 3000mm.The deflection degree of aluminium alloy pipe after heat treatment is 0.5mm/m, and yield strength is 290kg/cm
2Installation on drawbench 2 and Hubbing method are with embodiment 1.Drawing deformation is 1.0%.Deflection degree is 0.22～0.15mm/m after the drawing, and yield strength is 358kg/cm
2, tensile strength reaches 491kg/cm
2
Embodiment 4
The external diameter of aluminium alloy pipe is 30mm, and wall thickness is 2.0mm, long 4000mm.The deflection degree of aluminium alloy pipe after heat treatment is 1.0mm/m, and yield strength is 290kg/cm
2Installation on drawbench 2 and Hubbing method are with embodiment 1.Drawing deformation is 1.5%.Deflection degree is 0.15～0.10mm/m after the drawing, and yield strength is 386kg/cm
2, tensile strength reaches 502kg/cm
2
Embodiment 5
The external diameter of aluminium alloy pipe is 40mm, and wall thickness is 2.2mm, long 5000mm.The deflection degree of aluminium alloy pipe after heat treatment is 1.5mm/m, and yield strength is 290kg/cm
2Installation on drawbench 2 and Hubbing method are with embodiment 1.Drawing deformation is 3.0%.Deflection degree is 0.12～0.08mm/m after the drawing, and yield strength is 418kg/cm
2, tensile strength reaches 508kg/cm
2
Claims (7)
1, a kind of aluminium alloy pipe method for aligning is characterized in that: aluminium alloy pipe is contained on the drawbench (2) by special fixture (1) carries out micro-drawing, realize aligning with this;
Described micro-drawing is meant that the deformation of aluminium alloy pipe is 0.5%～3.0%;
Special fixture is made up of the fixedly briquetting (14) of framework (11), band pincers teeth (12), movable holddown (16), screw rod (15) and the chock plug (17) of band pincers teeth (12), the fixedly briquetting (14) of band pincers teeth (12) directly is fixed on the framework (11), the movable holddown (16) of band pincers teeth (12) is contained on the framework (11) by screw rod (15), and its position is relative with the fixedly briquetting (14) of band pincers teeth (12).
2, the special fixture of the described aluminium alloy pipe method for aligning of claim 1, it is characterized in that: special fixture is made up of the fixedly briquetting (14) of framework (11), band pincers teeth (12), movable holddown (16), screw rod (15) and the chock plug (17) of band pincers teeth (12), the fixedly briquetting (14) of band pincers teeth (12) directly is fixed on the framework (11), the movable holddown (16) of band pincers teeth (12) is contained on the framework (11) by screw rod (15), and its position is relative with the fixedly briquetting (14) of band pincers teeth (12).
3, according to the special fixture of the described aluminium alloy pipe method for aligning of claim 2, it is characterized in that: also be fixed with guide plate (13) on the described framework (11).
4, according to the special fixture of claim 2 or 3 described aluminium alloy pipe method for aligning, it is characterized in that: the movable holddown (16) of the fixedly briquetting (14) of described band pincers teeth (12) and band pincers teeth (12) is respectively briquetting and pincers tooth (12) two parts are formed, fixedly briquetting (14) or movable holddown (16) are connected with the inclined-plane with pincers teeth (12), make between the fixedly briquetting (14) of aluminium alloy pipe top end and movable holddown (16) opening greater than the opening of inner end.
5, according to the special fixture of the described aluminium alloy pipe method for aligning of claim 4, it is characterized in that: described pincers tooth (12) uses spring assembly (18) to connect to each other.
6, according to the special fixture of the described aluminium alloy pipe method for aligning of claim 4, it is characterized in that: described chock plug (17) is taper.
7, according to the special fixture of the described aluminium alloy pipe method for aligning of claim 5, it is characterized in that: described chock plug (17) is taper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100206532A CN1327983C (en) | 2004-06-03 | 2004-06-03 | Aluminum alloy tubing straightening method and special fixture thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100206532A CN1327983C (en) | 2004-06-03 | 2004-06-03 | Aluminum alloy tubing straightening method and special fixture thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1704183A CN1704183A (en) | 2005-12-07 |
| CN1327983C true CN1327983C (en) | 2007-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100206532A Expired - Fee Related CN1327983C (en) | 2004-06-03 | 2004-06-03 | Aluminum alloy tubing straightening method and special fixture thereof |
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| Country | Link |
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| CN (1) | CN1327983C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104588448A (en) * | 2015-01-12 | 2015-05-06 | 湖州华利铝业有限公司 | Aluminum section material straightening device |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100453195C (en) * | 2006-12-20 | 2009-01-21 | 重庆镁业科技股份有限公司 | Magnesium alloy extrusion product straightening method and tension straightening machine used therefor |
| CN100512992C (en) * | 2007-12-29 | 2009-07-15 | 中国重型机械研究院 | Combination beam type tension force stretching method |
| CN100512991C (en) * | 2007-12-29 | 2009-07-15 | 中国重型机械研究院 | Full floating tension force stretching method |
| CN102266881B (en) * | 2011-07-12 | 2013-04-03 | 重庆大学 | Stretching-straightening device for online heating-straightening process of magnesium alloy extrusion material |
| CN111389960A (en) * | 2020-04-13 | 2020-07-10 | 西安圣泰金属材料有限公司 | Pipe straightening control system and method and application in titanium alloy pipe straightening |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60187430A (en) * | 1984-03-07 | 1985-09-24 | Katsushige Kumabe | Straight pipe correcting device of curved pipe |
| JPS62185830A (en) * | 1986-02-12 | 1987-08-14 | Kawasaki Steel Corp | Method for preventing longitudinal bend of small-diameter pipe material |
| CN2062657U (en) * | 1989-07-06 | 1990-09-26 | 赵少海 | Grip-draw unit on cold-drawing machine of metal metarials |
| JPH10202323A (en) * | 1997-01-23 | 1998-08-04 | Nakata Seisakusho:Kk | Feeding device for cold roll forming stock |
| CN1046222C (en) * | 1993-07-14 | 1999-11-10 | 上海宝山钢铁总厂 | Reducing press for cold-drawing pipes |
-
2004
- 2004-06-03 CN CNB2004100206532A patent/CN1327983C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60187430A (en) * | 1984-03-07 | 1985-09-24 | Katsushige Kumabe | Straight pipe correcting device of curved pipe |
| JPS62185830A (en) * | 1986-02-12 | 1987-08-14 | Kawasaki Steel Corp | Method for preventing longitudinal bend of small-diameter pipe material |
| CN2062657U (en) * | 1989-07-06 | 1990-09-26 | 赵少海 | Grip-draw unit on cold-drawing machine of metal metarials |
| CN1046222C (en) * | 1993-07-14 | 1999-11-10 | 上海宝山钢铁总厂 | Reducing press for cold-drawing pipes |
| JPH10202323A (en) * | 1997-01-23 | 1998-08-04 | Nakata Seisakusho:Kk | Feeding device for cold roll forming stock |
Non-Patent Citations (1)
| Title |
|---|
| 铝合金管棒材矫直的新技术 高树增，轻金属，第4卷 1998 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104588448A (en) * | 2015-01-12 | 2015-05-06 | 湖州华利铝业有限公司 | Aluminum section material straightening device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1704183A (en) | 2005-12-07 |
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