CN105689424B - A kind of high-pressure rotary companding extrudes large plastometric set building mortion - Google Patents
A kind of high-pressure rotary companding extrudes large plastometric set building mortion Download PDFInfo
- Publication number
- CN105689424B CN105689424B CN201610059156.6A CN201610059156A CN105689424B CN 105689424 B CN105689424 B CN 105689424B CN 201610059156 A CN201610059156 A CN 201610059156A CN 105689424 B CN105689424 B CN 105689424B
- Authority
- CN
- China
- Prior art keywords
- compression
- section
- expending
- diameter
- building mortion
- 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.)
- Active
Links
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
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/21—Presses specially adapted for extruding metal
-
- 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
-
- 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
- B21C29/00—Cooling or heating work or parts of the extrusion press; Gas treatment of work
- B21C29/02—Cooling or heating of containers for metal to be extruded
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Of Metal (AREA)
Abstract
A kind of large plastometric set building mortion of the present invention；Technical problem to be solved, which is to provide one kind, can realize quantity-produced large plastometric set building mortion；The technical scheme used for：A kind of high-pressure rotary companding extrudes large plastometric set building mortion, including rotary squeezing machine, companding recipient and extrusion die；Heater is provided with outside the companding recipient；Companding recipient is fixed on base by frame；Companding chamber is set in companding recipient, and companding chamber is made up of compression section and expanding section, and compression section is between feed zone and expanding section, and the diameter of compression section is all smaller than the diameter of feed zone and expanding section；Compression section is connected by tapering transition chamber respectively with feed zone and expanding section；Extrusion die is arranged on inside companding recipient and positioned at the end of expanding section；Rotary squeezing machine is also secured on base, and the diameter of the diameter of the pressure ram of rotary squeezing machine and the feed zone coincide.
Description
Technical field
A kind of high-pressure rotary compression-expending extrusion large plastometric set building mortion of the present invention, belongs to metal large plastometric set
Processing unit (plant) technical field.
Background technology
With the fast development of Aero-Space, military affairs and the vehicles, higher requirement is proposed to the performance of material, because
It is the focus studied now that this, which prepares high-performance metal materials,.At present improve material mechanical performance main path have alloying,
The methods of heat treatment, working hardening and refined crystalline strengthening.Research shows to rely on a or two kind of strengthening mechanism merely to improve material
Combination property is limited, by a variety of strengthening mechanism organic assemblings, can not only abundant excavated material Potential performance, and material
The inexorable trend of scientific development.Large plastometric set method has stronger grain refining capability, by strong detrusion, makes
Polycrystalline Metals material inside organization be refined to submicron order (100nm-1.0 μm) or even nanoscale (<100nm), with traditional material
Compare, super fine crystal material has excellent mechanical property.Large plastometric set makes material internal high-angle boundary proportion simultaneously
Increase, the performance of material is improved from many aspects.Therefore, large plastometric set is a variety of strengthening mechanism collective effects to alloy strengthening
Result, strengthen significant effect.
Large plastometric set method mainly has at present：Equal-channel Angular Pressing（ECAP）, Processed by Accumulative Roll-bonding and multiway forging etc..
ECAP is of greatest concern and with fastest developing speed in large plastometric set method, and its principle is to pass through sample under the effect of certain extruding force
Two passages that axis is intersecting and sectional dimension is equal and angled, make sample that pure shear shear deformation occur, and then carefully
Change the purpose of crystal grain.At present, increasing new E CAP is developed, such as side extruding, continuous shear stress and isometrical angle repeatedly
Rolling etc..Although ECAP methods attract wide attention, there are still many problems at present：
(1) ECAP production efficiencys are not high.Result of study shows, in order that material grains refine, raising material property, one
As will pass through multi-pass ECAP extrude.But ECAP processes are discontinuous in itself, and therefore, pilot process is complicated, low production efficiency；
(2) ECAP die costs are higher.The abrasion of mould is bigger in ECAP extrusion processes, and processing cost is higher；
(3) scantling is prepared to be limited.Due to the limitation of be squeezed mould and pressure ram size, it is difficult to prepare large scale
Product；
(4) waste of raw materials is tested than more serious.Sample extruding after can be extended along the direction of extrusion, when elongation sample again
During through ECAP, cracking easily occurs, comes off, causes waste of material；
(5) specimen surface quality can be impacted.Experiment typically using MoS2 as lubricant, sample surface after extrusion
Black MoS2 particles can be squeezed into, surface cleanness degree can be affected.
Therefore develop short route, the new big plastic forming device of large scale and multiple section product can be prepared, have
Significance.
The content of the invention
Overcome the deficiencies in the prior art of the present invention, technical problem to be solved, which is to provide one kind, can realize continuous production
Large plastometric set building mortion.
In order to solve the above technical problems, the technical solution adopted in the present invention is：A kind of high-pressure rotary compression-expending extrusion
Large plastometric set building mortion, including rotary squeezing machine, compression-expending extrusion cylinder and extrusion die；Compression-the expending extrusion
Cylinder is outside to be provided with heater, and the heater is used for compression-expending extrusion cylinder heating；Compression-the expending extrusion
Cylinder is fixed on base by frame；The compression-expending extrusion cylinder is internally provided with compression-extended cavity, feed zone and extruding
Mould, the compression-extended cavity are made up of compression section and expanding section, compression section be located at the feed zone of compression-expending extrusion cylinder with
Between expanding section, and the diameter of compression section is all smaller than the diameter of the feed zone and the diameter of expanding section；Compression section and feed zone
Connected respectively by one section of tapering transition chamber with expanding section；Extrusion die is arranged on inside compression-expending extrusion cylinder and positioned at expansion
Open up the end of section；The rotary squeezing machine is also secured on base, the diameter of the pressure ram of rotary squeezing machine and the feed zone
Diameter coincide, the pressure ram can extend into feed zone.
The course of work is as follows：Start heater, compression-expending extrusion cylinder is preheated, while raw material is launched
Heat-insulation preheating is carried out in feed zone, now pressure ram stretches into place at feed zone, then starts rotary squeezing machine, pressure ram is existed
Promoted forward under rotating at a high speed, raw material is gradually pressed into compression section, the material of compression section under the double action for rotating and extruding
It is expanded therewith into expanding section, the raw material after extending is molded under squeezing action by extrusion die.
Raw material carries out turn under the high speed turning effort of pressure ram always before the shaping part of mould is eventually entered into
Distortion, and compression-expansion process through overcompression-extended cavity realize the large plastometric set of raw material, high-pressure rotary and compression-
Expending extrusion is combined, and is realized and is efficiently prepared Ultra-fine Grained high performance alloys product.
Meanwhile forming process of the invention need not be interrupted, for certain material, the alloy product of size, according to performance
Requirement, it is only necessary to by appropriate simulation and experiment, just can determine that suitable compression-ratio and rotary rpm, pass through this
The device of invention can realize once-forming obtained product.Preparation process is simple, and production efficiency significantly improves.
Lubricant etc. need not be added in addition, and product apparent mass is outstanding.
Accordingly, large plastometric set building mortion of the invention should also include the section bar of extrusion is shaped and cooled down
Cooling system, and the control system that the course of work and technological parameter of whole device are set and adjusted.
The type and control system of cooling system can be designed and select according to needs of production.
The purpose of heater is to include resistance wire and refractory brick to compression-expending extrusion cylinder heating, simplest structure,
Refractory brick is covered in formation refractory brick coating, resistance wire on the outer wall of compression-expending extrusion cylinder and is spirally coiled in refractory brick coating
It is interior.But the setting purpose based on heater, other kinds of mode of heating and corollary apparatus can also be selected.
Influenceed to not formed on heater, frame can select conventional structure, including front shoe, rear fixed plate
And fixed cross beam, front shoe are connected by four fixed cross beams with the corner of rear fixed plate, compression-expending extrusion cylinder are fixed
Between front shoe and rear fixed plate.
The core texture of the present invention is compression-expending extrusion cylinder, and most important is exactly compression section and expanding section.Based on routine
Profile size, the diameter of compression section can select in the range of 10-390mm, and accordingly, the diameter of expanding section is then in 20-
Selected in the range of 400mm；The diameter of feed zone can also select in the range of 20-400mm, while, it is necessary to stretch into feed zone
Pressure ram diameter it is preferably smaller 0.2mm than the diameter of feed zone.The inlet diameter of extrusion die should be with the diameter of expanding section
Unanimously.
Pressure ram, the material of recipient and extrusion die, performance requirement etc., can be according to the property of the raw material generally handled
Selected and designed.Such as：Pressure ram material optional H13,3Cr2W8V, 3Cr3Mo3W2V, Cr4W5Mo2V.Compression-extension
Optional H13,3Cr2W8V, 3Cr3Mo3W2V, Cr4W5Mo2V mould steel of recipient material.The optional H13 of extrusion die material,
3Cr2W8V、3Cr3Mo3W2V、Cr4W5Mo2V。
Compared with prior art the invention has the advantages that.
1st, high-pressure rotary and compression-expending extrusion are combined, realize and efficiently prepare Ultra-fine Grained high performance alloys product.
2nd, forming process temperature is controlled, realizes the stability of forming process, while also achieved to product interior tissue
Control.
3rd, cost is low, and technological process is short, it is easier to realizes industrialized production.
4th, large scale ultrafine grain metal product can continuously be prepared.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings.
Fig. 1 is high-pressure rotary compression-expending extrusion large plastometric set building mortion schematic diagram.
Fig. 2 is heater schematic diagram.
Fig. 3 is the Al-0.5Sc alloy pipe and its interior tissue prepared：(a) 300 DEG C of recipient temperature, extrusion speed are
5mm/min, cooling water flow 15L/min, the Ultra-fine Grained alloy pipe of preparation；(b) interior tissue corresponding to the tubing.
In figure：1 is rotary squeezing machine, and 2 be pressure ram, and 3 be frame, and 4 be heater, and 5 be compression-expending extrusion cylinder, 6
It is cooling system for extrusion die, 7,8 be controller, and 9 be base, and 10 be resistance wire, and 11 be refractory brick.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described.
Embodiment 1
As depicted in figs. 1 and 2, a kind of high-pressure rotary compression-expending extrusion large plastometric set building mortion, including rotation are squeezed
Press 1, compression-expending extrusion cylinder 5 and extrusion die 6；Heater 4, institute are provided with outside the compression-expending extrusion cylinder 5
Heater 4 is stated to be used to heat to compression-expending extrusion cylinder 5；The compression-expending extrusion cylinder 5 is fixed on base by frame 3
On 9；The compression-expending extrusion cylinder 5 is internally provided with compression-extended cavity, and the compression-extended cavity is by compression section and expanding section
Composition, compression section is located between the feed zone and expanding section of compression-expending extrusion cylinder 5, and the diameter of compression section is than the charging
The diameter of section and the diameter of expanding section are all small；Compression section is connected by one section of tapering transition chamber respectively with feed zone and expanding section；
Extrusion die 6 is arranged on the inside of compression-expending extrusion cylinder 5 and positioned at the end of expanding section；The rotary squeezing machine 1 is also secured at
On base 9, the diameter of the diameter and the feed zone of the pressure ram 2 of rotary squeezing machine 1 coincide, and the pressure ram 2 can extend into
In feed zone；
Also include cooling system 7 and control system 8；The cooling system 7 is used for the section bar to being extruded by extrusion die 6
Shaped and cooled down；The control system 8 is used for setting and the tune for controlling the action of large plastometric set building mortion and parameter
Control；
The heater 4 includes resistance wire 10 and refractory brick 11, and refractory brick 11 is covered in compression-expending extrusion cylinder 5
Refractory brick coating is formed on outer wall, resistance wire 10 is spirally coiled in refractory brick coating；
The frame 3 includes front shoe, rear fixed plate and fixed cross beam, and the corner of front shoe and rear fixed plate passes through
Four fixed cross beam connections, the compression-expending extrusion cylinder 5 are fixed between front shoe and rear fixed plate.
Embodiment 2
It is as follows that Al-0.5Sc alloy Ultra-fine Grained tubing steps are prepared using apparatus of the present invention：
The first step：Shaping dies is installed, opens cooling system.
Second step：Compression-expending extrusion cylinder heater is opened, recipient temperature is heated to 300 DEG C；
3rd step：Al-0.5Sc alloys are put into recipient, 300 DEG C of insulation 10min；
4th step：Start rotary squeezing machine, extrusion speed 5mm/min；
5th step：The product of preparation is cooled down, cooling water flow 15L/min.
The Ultra-fine Grained alloy pipe structure property prepared using the device is excellent.
Embodiments of the invention are explained in detail above in conjunction with accompanying drawing, but the present invention is not limited to above-mentioned implementation
Example, in those of ordinary skill in the art's possessed knowledge, can also make on the premise of present inventive concept is not departed from
Go out various change.
Claims (7)
- A kind of 1. high-pressure rotary compression-expending extrusion large plastometric set building mortion, it is characterised in that：Including rotary squeezing machine （1）, compression-expending extrusion cylinder（5）And extrusion die（6）；The compression-expending extrusion cylinder（5）Outside is provided with heater （4）, the heater（4）For to compression-expending extrusion cylinder（5）Heating；The compression-expending extrusion cylinder（5）Pass through machine Frame（3）It is fixed on base（9）On；The compression-expending extrusion cylinder（5）It is internally provided with compression-extended cavity, feed zone and extruding Mould（6）, the compression-extended cavity is made up of compression section and expanding section, and compression section is located at compression-expending extrusion cylinder（5）Enter Expect between section and expanding section, and the diameter of compression section is all smaller than the diameter of the feed zone and the diameter of expanding section；Compression section with Feed zone is connected by one section of tapering transition chamber respectively with expanding section；Extrusion die（6）It is arranged on the end of expanding section；The rotation Turn extruder（1）It is also secured at base（9）On, rotary squeezing machine（1）Pressure ram（2）Diameter and the feed zone diameter It coincide, the pressure ram（2）It can extend into feed zone.
- 2. a kind of high-pressure rotary compression-expending extrusion large plastometric set building mortion according to claim 1, its feature exist In：Also include cooling system（7）And control system（8）；The cooling system（7）For to by extrusion die（6）Extrusion Section bar is shaped and cooled down；The control system（8）For controlling, large plastometric set building mortion is acted and parameter is set Fixed and regulation and control.
- 3. a kind of high-pressure rotary compression-expending extrusion large plastometric set building mortion according to claim 1, its feature exist In：The heater（4）Including resistance wire（10）And refractory brick（11）, refractory brick（11）It is covered in compression-expending extrusion cylinder （5）Outer wall on formed refractory brick coating, resistance wire（10）It is spirally coiled in refractory brick coating.
- 4. a kind of high-pressure rotary compression-expending extrusion large plastometric set building mortion according to claim 1, its feature exist In：The frame（3）Including front shoe, rear fixed plate and fixed cross beam, the corner of front shoe and rear fixed plate passes through four Root fixed cross beam connects, the compression-expending extrusion cylinder（5）It is fixed between front shoe and rear fixed plate.
- 5. a kind of high-pressure rotary compression-expending extrusion large plastometric set building mortion according to claim 1, its feature exist In：A diameter of 20-400mm of feed zone, the gap between feed zone and pressure ram are 0.1mm.
- 6. a kind of high-pressure rotary compression-expending extrusion large plastometric set building mortion according to claim 1, its feature exist In：A diameter of 10-390mm of compression section.
- 7. a kind of high-pressure rotary compression-expending extrusion large plastometric set building mortion according to claim 1, its feature exist In：A diameter of 20-400mm of expanding section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610059156.6A CN105689424B (en) | 2016-01-28 | 2016-01-28 | A kind of high-pressure rotary companding extrudes large plastometric set building mortion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610059156.6A CN105689424B (en) | 2016-01-28 | 2016-01-28 | A kind of high-pressure rotary companding extrudes large plastometric set building mortion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105689424A CN105689424A (en) | 2016-06-22 |
| CN105689424B true CN105689424B (en) | 2017-11-10 |
Family
ID=56229779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610059156.6A Active CN105689424B (en) | 2016-01-28 | 2016-01-28 | A kind of high-pressure rotary companding extrudes large plastometric set building mortion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105689424B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109226750B (en) * | 2018-10-26 | 2021-02-09 | 中国航发北京航空材料研究院 | Rapid forming method for powder titanium alloy blade prefabricated blank with damping boss |
| CN110369542A (en) * | 2019-08-14 | 2019-10-25 | 江苏大学 | A kind of continuous expanding extruding mold |
| CN116140586B (en) * | 2023-03-13 | 2024-09-17 | 池州市安安新材料科技股份有限公司 | Extruder for extrusion molding of high-strength and high-toughness aluminum alloy melt and extrusion method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0452024A (en) * | 1990-06-15 | 1992-02-20 | Leotec:Kk | Method for controlling extruding work for metal |
| RU2277992C2 (en) * | 2004-09-06 | 2006-06-20 | Риф Гайзуллович Баймурзин | Fine-grain structure blank producing method |
| CN101767120B (en) * | 2010-01-06 | 2011-12-21 | 哈尔滨理工大学 | Device and method for preparing fine-grained material by directly extruding continuous variable cross section |
| CN101966536B (en) * | 2010-09-22 | 2012-08-22 | 上海交通大学 | Torsion type reciprocating extrusion device and process method thereof |
| CN202343614U (en) * | 2011-12-06 | 2012-07-25 | 无锡乐普金属科技有限公司 | Secondary extruding die of tungsten alloy |
| CN104551545B (en) * | 2014-11-18 | 2016-11-09 | 西安交通大学 | The strain-induced formula semisolid state forming device of a kind of fine grained texture bearing shell and technique |
-
2016
- 2016-01-28 CN CN201610059156.6A patent/CN105689424B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105689424A (en) | 2016-06-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105728493B (en) | A kind of combined type, which is turned round, squeezes the compound large plastometric set device of pier and manufacturing process | |
| US10265746B2 (en) | Rotary extrusion producing method for producing inner ring rib with large aspect ratio formed of hollow billet | |
| CN108637031B (en) | mould for preparing high-performance magnesium alloy pipe | |
| US20180056353A1 (en) | Rotary Extrusion Producing Mold for Producing Inner Ring Rib with Large Aspect Ratio Formed of Hollow Billet | |
| CN103785700B (en) | A kind of mould and method preparing ultra-fine crystal block body material | |
| CN103894435B (en) | Prepare reciprocating extrusion device and the processing method thereof of superfine crystal grain magnesium alloy | |
| CN105880310B (en) | A kind of mould and forming method of the hollow magnesium alloy profiles of Ultra-fine Grained | |
| CN2690068Y (en) | Device for preparing super fine grain crystal pipe by equal passage corner extrusion | |
| CN105689424B (en) | A kind of high-pressure rotary companding extrudes large plastometric set building mortion | |
| CN101406906A (en) | Method for preparing magnesium alloy section bar by continuous corner shearing and squeezing shaping and mold | |
| CN106140847B (en) | A kind of magnesium alloy compressional deformation processing unit (plant) and processing method | |
| CN113941613B (en) | Screw extrusion device and extrusion process for magnesium and magnesium alloy seamless pipe | |
| CN108468005A (en) | A kind of 6000 line aluminium alloy large deformation extruded bars production technologies | |
| CN108704949A (en) | A kind of magnesium alloy channel corner hot-extrusion mold and its heating device | |
| CN107893201A (en) | Reciprocal squeeze for preparing super fine crystal material turns round the isometrical angle manufacturing process of upsetting | |
| CN111495998B (en) | Metal and metal matrix composite forming device | |
| CN108326041A (en) | A kind of equidistant milling method of helical tapered roll of large-scale titanium alloy ultra fine grained steel bar | |
| CN109675947A (en) | A kind of continuous soldering pressing method of the repetition of Refining Mg Alloy crystal grain | |
| CN106180235A (en) | A kind of device utilizing access ramp technology to prepare thin grained magnesium alloy | |
| CN108405651B (en) | A kind of semisolid continuous extrusion production copper alloy wire method | |
| CN205463670U (en) | Big plastic deformation shaper | |
| CN111922106B (en) | Continuous torsion extrusion large plastic deformation method and application thereof | |
| CN111167873B (en) | Extrusion die for three-dimensional regulation and control of grain orientation | |
| CN109136703A (en) | A kind of ZK60 magnesium alloy and preparation method thereof | |
| CN212238643U (en) | Full-automatic metal material grain refinement and forming integrated preparation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |