CN109317528A - A kind of metal alloy compositions extrusion molding dies - Google Patents
A kind of metal alloy compositions extrusion molding dies Download PDFInfo
- Publication number
- CN109317528A CN109317528A CN201811560730.1A CN201811560730A CN109317528A CN 109317528 A CN109317528 A CN 109317528A CN 201811560730 A CN201811560730 A CN 201811560730A CN 109317528 A CN109317528 A CN 109317528A
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- extrusion
- cavity plate
- cylinder
- extrusion cylinder
- ratio
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- 238000001125 extrusion Methods 0.000 title claims abstract description 96
- 229910001092 metal group alloy Inorganic materials 0.000 title claims abstract description 10
- 239000000203 mixture Substances 0.000 title description 2
- 238000012545 processing Methods 0.000 claims abstract description 7
- 238000007493 shaping process Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 229910000861 Mg alloy Inorganic materials 0.000 description 19
- 238000000034 method Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 239000007769 metal material Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 238000000265 homogenisation Methods 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000009716 squeeze casting Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
- B21C25/02—Dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C26/00—Rams or plungers; Discs therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C27/00—Containers for metal to be extruded
Abstract
A kind of metal alloy slab extrusion molding dies, including pressure ram (1), squeeze seat (8), outer extrusion cylinder (3), extrusion cylinder (4), cavity plate A (6), cavity plate B (7), the outer extrusion cylinder (3), which is fixed on, to be squeezed on seat (8), and the extrusion cylinder (4), cavity plate A (6), cavity plate B (7) are sequentially coaxially detachably fixed in outer extrusion cylinder (3) and are fitted close by the conical surface；The pressure ram (1) passes through fixed plate (2) and is placed in extrusion cylinder (4)；Extrusion cylinder (4) internal diameter is matched with pressure ram (1) outer diameter；The blank (5) is placed in the extrusion cylinder (4)；The shape of the cavity plate B7 is consistent with the shape processed needed for extrusion, and cavity plate B7 is replaced according to the shape of processing needed for extrusion, replaces cavity plate A6 according to the 30%-50% of total extrusion ratio.The present invention can rapid shaping there is the extrusion of high extrusion ratio, production efficiency greatly improves.
Description
Technical field
The present invention relates to a kind of metal material, in particular to a kind of difficult deformable metal alloy material extrusion molding dies.
Background technique
Extruding has the characteristics that technology is high, variety diversity is good and production is convenient, is metal material industrial production
The important method for preparing and processing with new materials and new products such as various composite materials, dusty material, high-performance difficult-to-machine materials,
It is widely used to the production in the fields such as aerospace, naval vessel, communications and transportation, the energy, metallurgy, chemical industry, defence and military.
In metal material extrusion process, deformable material is by three-dimensional compressive stress, it is prone to Plastic Flow, deformation process energy
Effectively refinement metal grain, makes material mechanical performance get a promotion, however, when strain rate is excessively high or extrusion ratio is excessive, modeling
Property resistance of deformation is big, and Deformation structure has little time to coordinate, and metal material is easy to produce cracking, influences Forming Quality and production efficiency,
The structure property of Forming Workpiece not can guarantee simultaneously, influence product quality, performance difficult-to-machine material high for magnesium alloy etc.
It is even more so.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of metal alloy slab extrusion molding dies, can be primary
Rapid shaping has the extrusion of high extrusion ratio, and production efficiency greatly improves, and can guarantee the Forming Quality of extrusion.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of metal alloy slab use is provided
Extrusion molding dies,
A kind of metal alloy slab extrusion molding dies, including pressure ram 1, squeeze seat 8, outer extrusion cylinder 3, extrusion cylinder 4,
Cavity plate A6, cavity plate B7, it is characterised in that: the outer extrusion cylinder 3, which is fixed on, to be squeezed on seat 8, the extrusion cylinder 4, cavity plate A6, recessed
Mould B7 is sequentially coaxially detachably fixed in outer extrusion cylinder 3 and is fitted close by the conical surface；The pressure ram 1 passes through fixed plate 2
It is placed in extrusion cylinder 4；4 internal diameter of extrusion cylinder is matched with 1 outer diameter of pressure ram；The blank 5 is placed in the extrusion cylinder 4；
The shape of the cavity plate B7 is consistent with the shape processed needed for extrusion, replaces cavity plate according to the shape of processing needed for extrusion
B7 replaces cavity plate A6 according to the 30%-50% of total extrusion ratio.
Total extrusion ratio are as follows:
The extrusion ratio of cavity plate A6 is n1=D02/D12；The extrusion ratio of cavity plate B7 is n2=D12/D22；
It obtains: the extrusion ratio n1=D0 of cavity plate A62/D12=(30%-50%) n；
Wherein: D1 is cavity plate A6 diameter, and D2 is cavity plate B7 diameter；D0 is the diameter of blank 5.
The length that the cavity plate A6 squeezes work belt is 10-15mm.
The beneficial effects of the present invention are:
1) cavity plate middle section has the extruding work belt of certain length, and since single deformable squeeze is than reducing, extrusion is not allowed
Easy to crack, Forming Quality is improved, and shaping speed can be improved.
2) using multiple shaping moulds are fixedly installed with above seat squeezing, as pressure ram moves down in extrusion cylinder, energy
It is enough to be sequentially pressed into blank in two shaping moulds, stablize to be completed at the same time the extrusion with high extrusion ratio by once extruding
Molding, and shaping speed and die life, high production efficiency can be improved, and can guarantee Forming Quality, especially suitable for difficulty
The extrusion forming of forming metal；
3) each shaping mould is fixed on using outer extrusion cylinder and fixed plate and is squeezed on seat, mold installation and removal are convenient, fit
It is wide with range.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of mold of the present invention；
Wherein: 1, pressure ram, 2, fixed plate, 3, outer extrusion cylinder, 4, extrusion cylinder, 5, blank, 6, cavity plate A, 7, cavity plate B, 8 squeeze
Wedge.
Specific embodiment
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be identified by a person skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Referring to Fig. 1, the embodiment of the present invention includes:
A kind of magnesium alloy ingot extrusion molding dies, comprising: squeeze seat 8, cavity plate A6 and cavity plate B7, each extrusion cylinder
4 and cavity plate A6 and 7 is removably attached to the top for squeezing seat 8 by outer extrusion cylinder 3, and blank 5 is placed in extrusion cylinder 4
Interior, pressure ram 1 passes through fixed plate 2 and is placed in extrusion cylinder 4.
Wherein, the blank 5 is the magnesium ingot casting of diameter D0, and cavity plate A6 diameter is D1, and cavity plate B7 diameter is D2, cavity plate B7's
Shape is consistent with the shape processed needed for extrusion, and the shape of the processing according to needed for extrusion is recessed come molding needed for any replacement
Mould B7 replaces required cavity plate A6: total extrusion ratio according to the 30%-50% of total extrusion ratioWherein, the extrusion ratio n1=D0 of cavity plate A62/D12=(30%-50%) n, cavity plate B7
Extrusion ratio n2=D12/D22。
The operating process of a kind of magnesium alloy ingot extrusion molding dies of the present invention are as follows: blank 5 is placed in extruding
In cylinder 4, extruder drives pressure ram 1 to run down, and blank 5 is successively pressed into cavity plate A6, cavity plate B7, finally obtains complete squeeze
Casting die.
It is different from the prior art, a kind of magnesium alloy ingot extrusion molding dies of the present invention, cavity plate A6 is being formed
Cavity plate middle section is equipped with the extruding work belt of 10-15mm in the process, stablizes convenient for billet size, so that blank in entire forming process
Not the defects of not will form fold, surface indentation in a pressing direction, and improve die life.Meanwhile to avoid work
It is cohered with the too long metal easily caused, lubricant aquadag is uniformly smeared in concave die cavity.
Embodiment 1
Diameter is the cylindrical fine grain magnesium alloy rod of 10mm.Firstly, turned blank, it is contemplated that the requirement of surface quality,
The suitably cylindrical magnesium alloy ingot of diameter can be selected according to extrusion ratio, length can determine according to actual needs, will be through homogenizing
The magnesium alloy blank 5 (two-step homogenization annealing) of processing is heated to assigned temperature (300 DEG C -450 DEG C) and keeps the temperature 1-3h, heat preservation
Temperature should be higher than that the recrystallization temperature of magnesium alloy, while be lower than the melting temperature of alloy main phases precipitated, while heating extrusion cylinder
4, cavity plate A6 and 7 is to assigned temperature (300 DEG C -450 DEG C)；Secondly, extruding force is calculated according to the extrusion ratio relations of distribution, according to crowded
Pressure and working condition selection extrusion equipment simultaneously make extrusion die, and according to assembling extrusion die device as shown in Figure 1, guarantee
Pressure ram 1, outer extrusion cylinder 3, extrusion cylinder 4, cavity plate A6 and cavity plate B7 coaxial arrangement, the type chamber of extrusion cylinder 4, cavity plate A6 and cavity plate B7
Interior uniform smearing lubricant aquadag；Then sufficient magnesium alloy blank 5 will be kept the temperature to be put into the beginning to speak of extrusion cylinder 4, starting is squeezed
Press applies pressure to blank 5 by pressure ram 1 and carries out constant speed extruding, blank 1 is made to sequentially enter cavity plate A6 and cavity plate B7, squeezes
It is molded go out fine grain magnesium alloy rod, the magnesium alloy rod obtained after extruding through 340 DEG C of -420 DEG C of solution treatment or timeliness at
Reason is surface-treated magnesium extruded bars after progress structure property test determines that microstructure meets design requirement.
Embodiment 2
Rectangle fine grain magnesium alloy profiles having a size of 80X10.Firstly, turned blank, it is contemplated that the requirement of surface quality, it can
Cylindrical magnesium alloy ingot is processed into the suitable rectangle magnesium alloy blank of size according to extrusion ratio, length can be according to actual needs
It determines, the magnesium alloy blank 5 (two-step homogenization annealing) through Homogenization Treatments is heated to assigned temperature (300 DEG C -450 DEG C)
And 1-3h is kept the temperature, holding temperature should be higher than that the recrystallization temperature of magnesium alloy, while be lower than the melting temperature of alloy main phases precipitated,
Extrusion cylinder 4, cavity plate A6 and 7 to assigned temperature (300 DEG C -450 DEG C) are heated simultaneously；Secondly, being calculated according to the extrusion ratio relations of distribution
Extruding force according to extruding force and working condition selection extrusion equipment and makes extrusion die, and squeezes according to assembling as shown in Figure 1
Die device guarantees pressure ram 1, outer extrusion cylinder 3, extrusion cylinder 4, cavity plate A6 and cavity plate B7 coaxial arrangement, extrusion cylinder 4, cavity plate A6
And the intracavitary uniform smearing lubricant aquadag of type of cavity plate B7；Then sufficient magnesium alloy blank 5 will be kept the temperature and be put into extrusion cylinder 4
In beginning to speak, start extruder, pressure is applied to blank 5 by pressure ram 1 and carries out constant speed extruding, blank 1 is made to sequentially enter cavity plate
A6 and cavity plate B7, extrusion forming go out fine grain magnesium alloy rod, and the magnesium alloy profiles obtained after extruding are through 340 DEG C of -420 DEG C of solid solutions
Processing or ageing treatment carry out table to magnesium extruded bars after progress structure property test determines that microstructure meets design requirement
Surface treatment.
The above description is only a preferred embodiment of the present invention, is not construed as limitation of the present invention, may based on the present invention
There are various modifications and variations, should all be included in the protection scope of the present invention.
Claims (3)
1. a kind of metal alloy slab extrusion molding dies, including pressure ram (1), extruding seat (8), outer extrusion cylinder (3), extruding
Cylinder (4), cavity plate A (6), cavity plate B (7), it is characterised in that: the outer extrusion cylinder (3), which is fixed on, to be squeezed on seat (8), described to squeeze
Pressure cylinder (4), cavity plate A (6), cavity plate B (7) are sequentially coaxially detachably fixed in outer extrusion cylinder (3) and are fitted close by the conical surface；
The pressure ram (1) passes through fixed plate (2) and is placed in extrusion cylinder (4)；Extrusion cylinder (4) internal diameter and pressure ram (1) outer diameter phase
Cooperation；The blank (5) is placed in the extrusion cylinder (4)；The shape processed needed for the shape and extrusion of the cavity plate B (7)
Unanimously, cavity plate B (7) are replaced according to the shape of processing needed for extrusion, and cavity plate A is replaced according to the 30%-50% of total extrusion ratio
(6)。
2. a kind of metal alloy slab extrusion molding dies according to claim 1, it is characterised in that: described is total crowded
Pressure ratio are as follows:
The extrusion ratio of cavity plate A6 is n1=D02/D12；The extrusion ratio of cavity plate B7 is n2=D12/D22；
It obtains: the extrusion ratio n1=D01 of cavity plate A62/D12=(30%-50%) n；
Wherein: D1 is cavity plate A (6) diameter, and D2 is cavity plate B (7) diameter；D0 is the diameter of blank (5).
3. a kind of metal alloy slab extrusion molding dies according to claim 1, it is characterised in that: the cavity plate
The length that A (6) squeezes work belt is 10-15mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811560730.1A CN109317528A (en) | 2018-12-20 | 2018-12-20 | A kind of metal alloy compositions extrusion molding dies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811560730.1A CN109317528A (en) | 2018-12-20 | 2018-12-20 | A kind of metal alloy compositions extrusion molding dies |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109317528A true CN109317528A (en) | 2019-02-12 |
Family
ID=65256237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811560730.1A Pending CN109317528A (en) | 2018-12-20 | 2018-12-20 | A kind of metal alloy compositions extrusion molding dies |
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| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109877178A (en) * | 2019-04-17 | 2019-06-14 | 哈尔滨理工大学 | A kind of extrusion die and forming method of more dimensional thickness Mg-Al composite strips |
| CN111515263A (en) * | 2020-05-09 | 2020-08-11 | 哈尔滨工业大学（威海） | Extrusion processing method and device for flexibly regulating magnesium or magnesium alloy texture |
| CN112453085A (en) * | 2020-09-18 | 2021-03-09 | 中国航发北京航空材料研究院 | Continuous composite extrusion cogging method for high-temperature alloy ingot casting difficult to deform |
| CN112792150A (en) * | 2020-12-23 | 2021-05-14 | 东北轻合金有限责任公司 | Extrusion method of 7150 alloy profile |
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|---|---|---|---|---|
| CN102632095A (en) * | 2012-04-25 | 2012-08-15 | 上海交通大学 | Secondary continuous extrusion processing method of magnesium alloy and die plate insert for secondary continuous extrusion processing method |
| CN103084577A (en) * | 2013-02-07 | 2013-05-08 | 哈尔滨工业大学 | Device and method for step type hot extrusion preparation of Nd-phase-rich Nd2Fe14B/alpha-Fe permanent magnet |
| CN104174677A (en) * | 2014-07-16 | 2014-12-03 | 深圳大学 | Magnesium alloy ultrasonic wave micro extrusion formed refined grain technology at normal temperature |
| CN205165389U (en) * | 2015-10-29 | 2016-04-20 | 重庆良能机械有限公司 | Continuous extrusion die |
| CN209502590U (en) * | 2018-12-20 | 2019-10-18 | 吉林大学 | A kind of metal alloy compositions extrusion molding dies |
-
2018
- 2018-12-20 CN CN201811560730.1A patent/CN109317528A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102632095A (en) * | 2012-04-25 | 2012-08-15 | 上海交通大学 | Secondary continuous extrusion processing method of magnesium alloy and die plate insert for secondary continuous extrusion processing method |
| CN103084577A (en) * | 2013-02-07 | 2013-05-08 | 哈尔滨工业大学 | Device and method for step type hot extrusion preparation of Nd-phase-rich Nd2Fe14B/alpha-Fe permanent magnet |
| CN104174677A (en) * | 2014-07-16 | 2014-12-03 | 深圳大学 | Magnesium alloy ultrasonic wave micro extrusion formed refined grain technology at normal temperature |
| CN205165389U (en) * | 2015-10-29 | 2016-04-20 | 重庆良能机械有限公司 | Continuous extrusion die |
| CN209502590U (en) * | 2018-12-20 | 2019-10-18 | 吉林大学 | A kind of metal alloy compositions extrusion molding dies |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109877178A (en) * | 2019-04-17 | 2019-06-14 | 哈尔滨理工大学 | A kind of extrusion die and forming method of more dimensional thickness Mg-Al composite strips |
| CN111515263A (en) * | 2020-05-09 | 2020-08-11 | 哈尔滨工业大学（威海） | Extrusion processing method and device for flexibly regulating magnesium or magnesium alloy texture |
| CN112453085A (en) * | 2020-09-18 | 2021-03-09 | 中国航发北京航空材料研究院 | Continuous composite extrusion cogging method for high-temperature alloy ingot casting difficult to deform |
| CN112453085B (en) * | 2020-09-18 | 2022-08-23 | 中国航发北京航空材料研究院 | Continuous composite extrusion cogging method for high-temperature alloy ingot casting difficult to deform |
| CN112792150A (en) * | 2020-12-23 | 2021-05-14 | 东北轻合金有限责任公司 | Extrusion method of 7150 alloy profile |
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Application publication date: 20190212 |