CN104741422B - A kind of wide cut flat magnesium alloy pipe it is narrow to bending apparatus and method - Google Patents
A kind of wide cut flat magnesium alloy pipe it is narrow to bending apparatus and method Download PDFInfo
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- CN104741422B CN104741422B CN201510129757.5A CN201510129757A CN104741422B CN 104741422 B CN104741422 B CN 104741422B CN 201510129757 A CN201510129757 A CN 201510129757A CN 104741422 B CN104741422 B CN 104741422B
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- mould
- magnesium alloy
- dop
- rotation
- sliding pair
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Classifications
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- 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
- B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
- B21D7/024—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C23/00—Alloys based on magnesium
- C22C23/06—Alloys based on magnesium with a rare earth metal as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/06—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of magnesium or alloys based thereon
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
A kind of wide cut flat magnesium alloy pipe is narrow to bending apparatus and method, belongs to magnesium alloy profiles processing technique field, and it includes rotating main mould, sliding pair mould, and the rotation main mould is provided with mounting groove and section groove;Fixture with section groove is installed in the mounting groove;The section groove is matched with workpiece size;One end of the sliding pair mould is provided with dop;Section groove is equipped with sliding pair mould and dop.The present invention is rotated by rotating the rotating band of main mould part of starting building, while making sliding pair mould do the motion of direction of rotation parallel sliding so that workpiece produces bending in the presence of rotating mould and sliding mould.The present invention successfully solves the narrow process difficulties to bending of magnesium alloy wide-width flat tubing, improves the production efficiency and yield rate of the technique.
Description
Technical field
The invention belongs to magnesium alloy materials and its processing technique field, and in particular to a kind of wide cut flat magnesium alloy pipe is narrow
To bending apparatus and method.
Background technology
The main material of currently manufactured industry has steel/aluminium alloy etc..And magnesium alloy is that proportion is most in current world's practical application
Light structural metallic materials, its major advantage has:China's magnesium resource enriches first, and export volume ranks first in the world;Its characteristic
Specific strength height, shock absorption stronger than rigidity are strong, damping and amortization is unlikely to deform better than other metals, long-term use, recyclable recycling,
By it is universally acknowledged be 21st century " green engineering material ", be also that China 12 period emphasis encourages the new of cross-cutting development
Section bar material, the crutch made of magnesium alloy is lighter than with steel, aluminium alloy, and its proportion is the 2/3 of aluminium, the 1/4 of steel.
But its difficulty of processing of magnesium alloy is big, and especially the technology in terms of flexural deformation also needs to constantly improve, at this stage
Common tubing bends to the factors such as product rate is low, process velocity is slow, clod wash ratio is low and governs the product that magnesium alloy bends tubing
Change application, especially the narrow of flat wide cut tubing has technical barrier to bending techniques.
The content of the invention
Narrow to the problem of bending difficulty is big, bending yield rate is low in order to solve flat wide cut tubing, the present invention proposes a kind of
Wide cut flat magnesium alloy pipe it is narrow to bending apparatus.
The technical scheme is that:
A kind of magnesium alloy, alloy content by mass percentage is:AL3.0 %;Zn1.0 % ;Mn0.3 %;RE5.0%;
Ca0.8 %;Remaining is Mg.
The RE is mischmetal, is lanthanum(La), cerium(Ce), praseodymium (Pr), the mischmetal of neodymium (Nd).
A kind of wide cut flat magnesium alloy pipe it is narrow to bending apparatus, including rotate main mould, sliding pair mould, dop, it is described
Rotate main mould and be provided with mounting groove and section groove;Fixture with section groove is installed in the mounting groove;The section groove with
Section bar workpiece size is matched;The dop be arranged in parallel with sliding pair mould, and sliding pair mould is the cuboid with two steps, its
In step be provided with section groove, the step is work head, and another step is mounting head;
Dop is the cuboid with two steps, and one of step is provided with section groove, and the step is work head, separately
One step is mounting head.
A kind of wide cut flat magnesium alloy pipe it is narrow to bending method, including the description below:
(1)Narrow by the wide cut flat magnesium alloy pipe described in claim 1 is heated to bending apparatus and section bar workpiece
250℃±5℃;
(2)On the rotary gear axis that rotation main mould with fixture is installed to hydraulic test configuration, sliding pair mould and liquid
The sliding support of pressure device configuration is bolted on together, and the rotary press head that dop is configured with hydraulic test is solid by bolt
It is scheduled on together;The section bar workpiece is wide cut flat magnesium alloy pipe;
(3)Section bar workpiece is placed in the section groove for rotating main mould and fixture;
(4)Start hydraulic test, sliding pair mould and dop are simultaneously close to main mould is rotated in the presence of hydraulic test, and
Section bar workpiece is stuck in the section groove for rotating main mould, sliding pair mould and dop;Simultaneously by dop clamping section bar workpiece;
(5)Start hydraulic test, the rotary gear axis rotated by rotation main mould rotation of hydraulic test, while driving section bar
Workpiece rotates to main mould direction of rotation is rotated, and is transported while sliding pair mould does the horizontal sliding in the same direction with rotating main mould direction of rotation
Dynamic, while dop rotates under the drive for the rotary press head that hydraulic test is configured together with section bar workpiece, section bar workpiece is in rotation
In be bent.
Magnesium alloy tool of the present invention has the advantage that:
1. heat loss through conduction performance is better than aluminium alloy and plastics, user's comfortable feel in use.
2. operation difficulty is low, simple to operation.
3. process velocity is fast, and high yield rate.
4. the raw materials such as aluminium alloy, steel are replaced, 100% recyclable recycling.
5. specific strength is high, stronger than rigidity, long-term use is unlikely to deform, and bending phenomenon will not occur during use.
That magnesium alloy wide-width flat tubing is successfully solved to bending apparatus is narrow to bending for wide cut flat magnesium alloy pipe narrow
Process difficulties, improve the production efficiency and yield rate of the technique so that application and magnesium that the handicraft product can be bulk
In alloy series product, magnesium alloy profiles intensity height is given full play to, weight capacity is characterized in by force:Density is small(1.74g/cm3),
Intensity is high, and damping property is good, and the load-carrying ability that withstands shocks is higher than aluminium alloy, bigger than stainless steel, and the corrosivity of resistance to organic matter and alkali is good,
Indeformable advantage is used for a long time.
Brief description of the drawings
Fig. 1 is the narrow structure chart to bending apparatus of wide cut flat magnesium alloy pipe of the present invention.
Fig. 2 is the narrow working state figure to bending apparatus of wide cut flat magnesium alloy pipe of the present invention.
Fig. 3 be wide cut flat magnesium alloy pipe of the present invention it is narrow to bending 90 jiaos after wide cut flat magnesium alloy pipe it is narrow to
The working state figure of bending apparatus.
Fig. 4 is the narrow sliding pair mould or the cross section of dop to bending apparatus of wide cut flat magnesium alloy pipe of the present invention
Figure.
In figure, 1 is rotation main mould;2 be fixture;3 be section bar workpiece;4 be sliding pair mould;5 be dop;6 be section groove;7
It is plectane for cylinder, 8,9 be leptoprosopy, and 10 be wide face, and 11 be installation axis hole.
Embodiment
Shown in Fig. 1, a kind of wide cut flat magnesium alloy pipe it is narrow to bending apparatus, including rotate main mould 1, sliding pair mould 4,
Dop 5, the rotation main mould 1 is provided with mounting groove and section groove 6;Fixture with section groove 6 is installed in the mounting groove
2;The section groove 6 is matched with section bar workpiece size;The dop 5 be arranged in parallel with sliding pair mould 4, sliding pair mould 4 be with
The cuboid of two steps, one of step is provided with section groove 6, and the step is work head, and another step is mounting head;
Mounting head is provided with the mounting hole for being used for being connected with hydraulic test.
Dop 5 is the cuboid with two steps, and one of step is provided with section groove 6, and the step is work head,
Another step is mounting head.Mounting head is provided with the mounting hole for being used for being connected with hydraulic test.
The rotation main mould 1 is provided with installation hole axle 11.The rotary gear axis that hole axle 11 is used to configure with hydraulic test are installed
Connection.Connecting hole is equipped with rotation main mould 1, fixture 2, is fixedly mounted by connecting hole with bolt by main mould 1 is rotated with fixture 2
Together.
It is described rotation main mould 1 be made up of plectane 8, cylinder 7, plectane 8 be located at cylinder 7 above, section groove 6 be located at plectane with
Between cylinder.
Shown in Fig. 2, a kind of wide cut flat magnesium alloy pipe it is narrow to bending method, by described wide cut flat magnesium-alloy tube
The narrow of material is heated to 250 DEG C ± 5 DEG C to bending apparatus and section bar workpiece, and the rotation main mould with fixture then is installed into hydraulic pressure
On the rotary gear axis of device configuration, together with sliding pair mould is bolted on the sliding support that hydraulic test is configured, card
Together with head is bolted on the rotary press head that hydraulic test is configured;
Section bar workpiece 3 is placed in the section groove 6 for rotating main mould 1 and fixture 2, starts hydraulic test, in the work of hydraulic test
It is simultaneously close to main mould 1 is rotated with dop 5 with the secondary mould 4 of lower slider, and section bar workpiece 3 is stuck in rotation main mould 1, fixture 2, slip
In the section groove of secondary mould 4 and dop 5;And dop 5 is clamped section bar workpiece 3;
Bending parameters are set on the control panel of hydraulic test, the hydraulic regulation valve regulation that hydraulic test is configured is arrived
0.3kv, proceeds by bending:The rotary gear axis rotated by rotation main mould 1 and fixture 2 of hydraulic test configuration rotate, simultaneously
Section bar workpiece 3 is driven to be rotated to main mould direction of rotation is rotated, while sliding pair mould 4 does the water in the same direction with rotating main mould direction of rotation
Smooth shifting movement, while dop 5 rotates under the drive for the rotary press head that hydraulic test is configured together with section bar workpiece 3, section bar
Workpiece 3 is bent in rotation.
The anglec of rotation of the rotary press head of hydraulic test configuration is directly proportional to bending parameters;That is the angle of bend of bending parameters
Bigger, the anglec of rotation of the rotary press head of hydraulic test configuration is bigger;The angle of bend of bending parameters is smaller, hydraulic test configuration
Rotary press head the anglec of rotation it is smaller.
Dop is bent 90 degree all the time as section bar workpiece is moved with section bar workpiece during section bar workpiece is bent
Exemplified by, when section bar workpiece is bent 90 degree, the state of dop is changed into plumbness by initial horizontality;With dop
Section groove is reference, and the section groove of the section groove of dop and sliding pair mould is point-blank during original state;When section bar workpiece
When being bent 90 degree, the section groove of dop is in an angle of 90 degrees with the section groove of sliding pair mould(Shown in Fig. 3).
The hydraulic test appoints the product of electromechanical automatic equipment Co., Ltd production, its product type using Jiangyin City day
It is SR-200NC type hydraulic machines.
Section bar workpiece is the magnesium alloy pipe of wide cut flat described in invention.
Heretofore described wide cut flat magnesium alloy pipe refers to that the cross section of magnesium alloy pipe is rectangle or ellipse
Or Long Circle.Cross section is made up of wide face 10 and leptoprosopy 9.
It is described it is narrow to bending refer to leptoprosopy bend.
Claims (1)
1. a kind of wide cut flat magnesium alloy pipe is narrow to bending method, including the description below:
(1)Narrow by wide cut flat magnesium alloy pipe to bending apparatus and section bar workpiece is heated to 250 DEG C ± 5 DEG C, hydraulic test
The hydraulic regulation valve regulation of configuration is to 0.3kv;
(2)On the rotary gear axis that rotation main mould with fixture is installed to hydraulic test configuration, sliding pair mould is set with hydraulic pressure
The sliding support of standby configuration is bolted on together, and the rotary press head that dop is configured with hydraulic test is bolted on
Together;The section bar workpiece is wide cut flat magnesium alloy pipe;
(3)Section bar workpiece is placed in the section groove for rotating main mould and fixture;
(4)Start hydraulic test, sliding pair mould and dop are simultaneously close to rotation main mould in the presence of hydraulic test, and by type
Material workpiece is stuck in the section groove for rotating main mould, sliding pair mould and dop;Simultaneously by dop clamping section bar workpiece;
(5)Start hydraulic test, the rotary gear axis rotated by rotation main mould rotation of hydraulic test, while driving section bar workpiece
To the rotation of main mould direction of rotation is rotated, moved while sliding pair mould does the horizontal sliding in the same direction with rotating main mould direction of rotation, together
Shi Katou rotates under the drive for the rotary press head that hydraulic test is configured together with section bar workpiece, and section bar workpiece is curved in rotation
It is bent;Wide cut flat magnesium alloy pipe it is narrow to bending apparatus, including rotate in main mould, sliding pair mould, dop, the rotation main mould
Provided with mounting groove and section groove;Fixture with section groove is installed in the mounting groove;The section groove and section bar workpiece chi
Very little matching;The dop be arranged in parallel with sliding pair mould, and sliding pair mould is the cuboid with two steps, one of step
Section groove is provided with, the step is work head, and another step is mounting head;
Dop is the cuboid with two steps, and one of step is provided with section groove, and the step is work head, another
Step is mounting head;The magnesium alloy, alloy content by mass percentage is:AL3.0 %;Zn1.0 % ;Mn0.3 %;
RE5.0%;Ca0.8 %;Remaining is Mg.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510129757.5A CN104741422B (en) | 2015-03-24 | 2015-03-24 | A kind of wide cut flat magnesium alloy pipe it is narrow to bending apparatus and method |
Applications Claiming Priority (1)
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CN201510129757.5A CN104741422B (en) | 2015-03-24 | 2015-03-24 | A kind of wide cut flat magnesium alloy pipe it is narrow to bending apparatus and method |
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CN104741422A CN104741422A (en) | 2015-07-01 |
CN104741422B true CN104741422B (en) | 2017-08-04 |
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Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105414284A (en) * | 2015-10-08 | 2016-03-23 | 滁州品之达电器科技有限公司 | Multi-purpose plate bending plate |
CN105414977A (en) * | 2015-10-08 | 2016-03-23 | 滁州品之达电器科技有限公司 | Multifunctional pipe bending machine |
CN105414265A (en) * | 2015-10-08 | 2016-03-23 | 滁州品之达电器科技有限公司 | Multifunctional plate bending machine with lifting pressing type pipe bending mechanism |
CN108188295B (en) * | 2017-12-29 | 2020-01-03 | 佛山途荣五金制品有限公司 | Automatic bending device for hollow glass aluminum parting strips |
CN109226321A (en) * | 2018-10-19 | 2019-01-18 | 山东新活新材料科技有限公司 | Trough aluminium alloy shape bending technique and its equipment |
CN109226379A (en) * | 2018-10-19 | 2019-01-18 | 山东新活新材料科技有限公司 | Full automatic aluminium section bar bending apparatus |
Family Cites Families (5)
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CN1270857A (en) * | 1999-04-21 | 2000-10-25 | 宁波永华液压器材有限公司 | Hot pipebending technology and mold for bending pipe |
US7140224B2 (en) * | 2004-03-04 | 2006-11-28 | General Motors Corporation | Moderate temperature bending of magnesium alloy tubes |
CN201127971Y (en) * | 2007-11-29 | 2008-10-08 | 上海交通大学 | Digital control pipe bender mold for hot bending |
JP5294384B2 (en) * | 2008-02-08 | 2013-09-18 | 学校法人千葉工業大学 | Magnesium alloy pipe bending method |
KR20140015909A (en) * | 2012-07-27 | 2014-02-07 | 주식회사 케이에프테크 | Bending apparatus for magnesium alloy board |
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