CN101342547A - Automatized continuous processing equipment for T shaped corner extrusion press and its processing method - Google Patents
Automatized continuous processing equipment for T shaped corner extrusion press and its processing method Download PDFInfo
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- CN101342547A CN101342547A CNA2008100210979A CN200810021097A CN101342547A CN 101342547 A CN101342547 A CN 101342547A CN A2008100210979 A CNA2008100210979 A CN A2008100210979A CN 200810021097 A CN200810021097 A CN 200810021097A CN 101342547 A CN101342547 A CN 101342547A
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- 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
- B21C23/001—Extruding metal; Impact extrusion to improve the material properties, e.g. lateral extrusion
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Abstract
The invention discloses a tee corner extruding automatic continuous processing equipment and a processing method thereof, relating to the field of material processing, particularly relating to a tee corner extruding equipment which can automatically and continuously process and produce superfine crystals or nanocrystalline metal-base materials and a method thereof. The invention includes a mould, a first punch, a second punch, a third punch and a feeding and discharging opening. Tee corner extruding cavities are arranged in three neighboring directions in the mould, the first punch, the second bunch and the third punch are arranged in the three cavities respectively; the feeding and discharging opening is arranged in the direction of the other side; the cross-section size of the feeding and discharging opening is larger than the first punch, the second punch and the third punch; the first punch, the second punch and the third punch are connected with a hydraulic control system respectively. The invention is simple in structure, easy to be operated and has an extensive application scope.
Description
Technical field
The present invention relates to material processing field, but relate in particular to the T shape corner extrusion equipment and the method for ultra-fine crystalline substance of the continuous processing of a kind of automation or nanocrystalline metal sill.
Background technology
Equal channel angular extruding (ECAP) is to be grown up on the basis of research pure shear distortion by Russian scientist Segal professor and his colleagues the eighties in 20th century.Its initial purpose is to produce violent plastic deformation under the situation that does not change material cross-section, thereby makes the repeated deformation of material become possibility.
The equal channel angular extruding is compared with common deformation method, and material structure, structure and performance that processing obtains all have very big difference.Common deformation processing methods such as low temperature is cold rolling, cold drawn make material production work hardening, and intensity improves, but its microstructure has the substructure of dislocation pile up or dislocation tangle usually.And equal channel angular is squeezed in very big deflection can be provided under the little load, forms the ultra-fine grained structure that comprises a large amount of high-angle boundaries, and the crystallite dimension of extruding back material can reach hundreds of nanometer even tens nanometers; Crystal grain inside is low energy dislocation structure and sub boundary normally, and the intensity and the plasticity of material all are improved.
The equal channel angle extruding also is in conceptual phase as a kind of new process technology.Owing to do not have to realize finishing continuously between a time and back a time so far, cause processing cost higher; And, at present only can the less block materials of processing dimension, fail to carry out large-scale industrialization production.However, equal channel angular extruding still has tempting development prospect, and more and more researchers is put in the research to it both at home and abroad.At present, advanced industrial countries such as the U.S., Russia and German, day provide funds to support the basic research of ECAP technology one after another, and Japan and some large-scale iron and steel enterprises of Korea S have carried out application corresponding research.China is less in the research and the world level gap in this field, and domestic a lot of colleges and universities and research institution have made a large amount of related works, and has obtained certain achievement.
The extruding path that the equal channel angle extruding is generally acknowledged has three kinds: A path, B path and C path.Wherein the B path is divided into B again according to the difference of sample direction of rotation
AAnd B
CTwo kinds of paths:
A: do not rotate after each extruding, directly enter down a time;
B
A: each extruding back half-twist, direction of rotation alternately changes;
B
C: each extruding back half-twist, but direction of rotation is constant;
C: each extruding back sample Rotate 180 ° enters down a time.
Equal channel angular extruding (ECAP) by internationally recognized be the most promising method for preparing bulk nano-crystalline and super fine crystal material.How to realize that continuously extruded processing is that this method obtains industrial applications important technological problems to be solved.
Summary of the invention
The object of the invention provides a kind of simple in structure, easy operating, T type corner extruding automatized continuous processing equipment and processing method thereof applied widely.
The present invention adopts following technical scheme for achieving the above object:
The present invention includes mould, first drift, second drift, the 3rd drift, feed inlet and outlet, adjacent three directions in the mould are provided with T shape corner extruding die cavity, first drift, second drift, the 3rd drift are set respectively in three die cavities, the opposite side direction is provided with feed inlet and outlet, the sectional dimension of feed inlet and outlet greater than with first drift, second drift, the 3rd drift; Above-mentioned first drift, second drift, the 3rd drift connect hydraulic control system respectively.
Reasonable is that second drift of the present invention is coaxial straight line with the center line of the 3rd drift, the center line of first drift and described intersect vertical axis.
Reasonable is that the cross section of first drift of the present invention, second drift, the 3rd drift is square, equates with die cavity passage in the mould.
The present invention utilizes the processing method of T type corner extruding automatized continuous processing equipment, may further comprise the steps:
The first step: make second drift stop up T shape die cavity one end by hydraulic control system,, and apply back pressure, make machined material that detrusion take place to counterclockwise moving to the 3rd drift to the first drift imposed load;
Second step: to the 3rd drift imposed load, and apply back pressure by hydraulic control system, make machined material move and detrusion takes place to clockwise direction to first drift;
The 3rd step: make the 3rd drift stop up the T shape die cavity other end by hydraulic control system,, and apply back pressure, make machined material move and detrusion takes place to clockwise direction to second drift to the first drift imposed load;
The 4th step: to the second drift imposed load, and apply back pressure by hydraulic control system, make machined material that detrusion take place to counterclockwise moving to first drift;
The 5th step: repeat above-mentioned steps.
The present invention is in process, and fixing mould is in the state of integral heat insulation always, and first drift, second drift, the 3rd drift are accurately controlled squeeze pressure and stroke by hydraulic control system respectively.According to the difference extruding passage requirement to machined material, three drifts can push in turn, and material is back and forth processed in passage, and the ultra-fine crystalline substance of blocks of large that so just can obtain even tissue is until nanocrystalline material.After machining, machined material is then released by feed inlet and outlet.
The present invention adopts technique scheme, compared with prior art has following advantage:
1, T shape automation control continuous extrusion apparatus of the present invention, its extrusion die is a monoblock type, three punch tunnel on the mould constitute passage extruding die cavities such as T shape together.The squeezing passage cross sectional shape is square, and sectional dimension and passage length can be long as required or short.Corresponding each squeezing passage size is provided with a corresponding drift respectively in each squeezing passage, each drift is by HYDRAULIC CONTROL SYSTEM.Hydraulic control system is accurately controlled punch stroke, extruding load and back pressure, so can realize waiting continuously the passage extruding.
2, the present invention can not only realize easily that material pushes repeatedly, and can realize pushing the taking-up of back material easily.By regulating die cavity and drift size and hydraulic pressure size, can carry out the continuous multi-pass Equal Channel Angular Extrusion Processing of automation control to the material of different size.
3, the present invention is simple in structure, and the uniform crystal particles grain refining efficiency is strong, and easy operating can be realized automatic continuous production processing.
4, the present invention can regulate die cavity and drift size and hydraulic pressure size, thereby has realized the material of different size is carried out the continuous multi-pass Equal Channel Angular Extrusion Processing of automation control.The scope of application is wide, and the commercial Application potentiality are big.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a process schematic diagram of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing technical scheme of the present invention is elaborated:
As shown in Figure 1, the present invention includes mould 1, first drift 2, second drift 3, the 3rd drift 4, feed inlet and outlet 6, adjacent three directions in the mould 1 are provided with T shape corner extruding die cavity, first drift 2, second drift 3, the 3rd drift 4 are set respectively in three die cavities, the opposite side direction is provided with feed inlet and outlet 6, the sectional dimension of feed inlet and outlet 6 greater than with first drift 2, second drift 3, the 3rd drift 4; Above-mentioned first drift 2, second drift 3, the 3rd drift 4 connect hydraulic control system respectively.
Reasonablely be second drift 3 of the present invention) with the center line of the 3rd drift 4 be coaxial straight line, the center line of first drift 2 and described intersect vertical axis.
Reasonable is that the cross section of first drift 2 of the present invention, second drift 3, the 3rd drift 4 is square, equates with die cavity passage in the mould 1.
As shown in Figure 2, the present invention utilizes the processing method of T type corner extruding automatized continuous processing equipment, may further comprise the steps:
The first step: make second drift 3 stop up T shape die cavities one end by hydraulic control system,, and apply back pressure, make machined material 5 that detrusion take place to counterclockwise moving to the 3rd drift 4 to first drift, 2 imposed loads;
Second step: to the 3rd drift 4 imposed loads, and apply back pressure by hydraulic control system, make machined material 5 move and detrusion takes place to clockwise direction to first drift 2;
The 3rd step: make the 3rd drift 4 stop up the T shape die cavity other ends by hydraulic control system,, and apply back pressure, make machined material 5 move and detrusion takes place to clockwise direction to second drift 3 to first drift, 2 imposed loads; Shown in Fig. 2 c;
The 4th step: to second drift, 3 imposed loads, and apply back pressure by hydraulic control system, make machined material 5 that detrusion take place to counterclockwise moving to first drift 2; Shown in Fig. 2 d;
The 5th step: repeat above-mentioned steps.Shown in Fig. 2 e.
Multi-pass processing of the present invention can be pushed continuously successively by these three drifts and be finished, and finally obtains the ultra-fine crystalline substance or the nanocrystalline material of even tissue.Machined material is released by feed inlet and outlet after the process finishing.
The present invention can regulate die cavity and drift size and hydraulic pressure size, thereby has realized the material of different size is carried out the continuous multi-pass Equal Channel Angular Extrusion Processing of automation control.
Claims (4)
1, T type corner extruding automatized continuous processing equipment, it is characterized in that: comprise mould (1), first drift (2), second drift (3), the 3rd drift (4), feed inlet and outlet (6), adjacent three directions in the mould (1) are provided with T shape corner extruding die cavity, first drift (2), second drift (3), the 3rd drift (4) are set respectively in three die cavities, the opposite side direction is provided with feed inlet and outlet (6), the sectional dimension of feed inlet and outlet (6) greater than with first drift (2), second drift (3), the 3rd drift (4); Above-mentioned first drift (2), second drift (3), the 3rd drift (4) connect hydraulic control system respectively.
2, T type corner extruding automatized continuous processing equipment according to claim 1, it is characterized in that: above-mentioned second drift (3) is coaxial straight line with the center line of the 3rd drift (4), the center line of first drift (2) and described intersect vertical axis.
3, T type corner extruding automatized continuous processing equipment according to claim 1, it is characterized in that: the cross section of above-mentioned first drift (2), second drift (3), the 3rd drift (4) is square, equates with die cavity passage in the mould (1).
4, a kind of processing method of T type corner extruding automatized continuous processing equipment according to claim 1 is characterized in that: may further comprise the steps:
The first step: make second drift (3) stop up T shape die cavity one end by hydraulic control system,, and apply back pressure, make machined material (5) that detrusion take place to counterclockwise moving to the 3rd drift (4) to first drift (2) imposed load;
Second step: to the 3rd drift (4) imposed load, and apply back pressure by hydraulic control system, make machined material (5) move and detrusion takes place to clockwise direction to first drift (2); The 3rd step: make the 3rd drift (4) stop up the T shape die cavity other end by hydraulic control system,, and apply back pressure, make machined material (5) move and detrusion takes place to clockwise direction to second drift (3) to first drift (2) imposed load;
The 4th step: to second drift (3) imposed load, and apply back pressure by hydraulic control system, make machined material (5) that detrusion take place to counterclockwise moving to first drift (2);
The 5th step: repeat above-mentioned steps.
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| CN2008100210979A CN101342547B (en) | 2008-08-19 | 2008-08-19 | Automatized continuous processing equipment for T shaped corner extrusion press and its processing method |
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| CN2008100210979A CN101342547B (en) | 2008-08-19 | 2008-08-19 | Automatized continuous processing equipment for T shaped corner extrusion press and its processing method |
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| CN101342547B CN101342547B (en) | 2010-10-13 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102029300A (en) * | 2010-11-07 | 2011-04-27 | 上海交通大学 | Back-pressure four-way reciprocating heading device and processing method thereof |
| CN103014387A (en) * | 2012-12-24 | 2013-04-03 | 中北大学 | Preparation method of magnesium base composite doped with SiC grains |
| CN103447334A (en) * | 2013-02-01 | 2013-12-18 | 深圳信息职业技术学院 | Continuous reciprocating type equal channel corner extrusion device and method |
| CN104438415A (en) * | 2014-11-24 | 2015-03-25 | 徐州工程学院 | Multi-directional composite multi-channel screw extrusion die for metal blank |
| CN105344730A (en) * | 2015-09-26 | 2016-02-24 | 山东建筑大学 | Method for preparing nano copper wire through cold drawing in fylfot equal-channel mold cavity |
| CN105921657A (en) * | 2016-07-15 | 2016-09-07 | 合肥工业大学 | Enclosed-type back-pressure two-way extrusion-upsetting forming method for manufacturing refractory metal ultrafine-grained material |
| CN106077118A (en) * | 2016-06-28 | 2016-11-09 | 河海大学 | The continuous processing device of a kind of ultrafine grain metal section bar and processing method |
| CN106734303A (en) * | 2016-12-02 | 2017-05-31 | 中铁建电气化局集团康远新材料有限公司 | Double right angle channel continuous extrusion devices |
| CN109108101A (en) * | 2018-08-23 | 2019-01-01 | 重庆三峡学院 | A kind of multidirectional extruding near-net-shape method of heavy wall four-way pipe |
| CN109759471A (en) * | 2018-12-18 | 2019-05-17 | 长沙仲腾金属材料科技有限公司 | A kind of equal channel pressings mold preparing ultra-fine crystal block body material and method |
| CN113382810A (en) * | 2019-01-31 | 2021-09-10 | 帝国理工学院创新有限公司 | Device and method for extruding curved profiles |
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| CN2584308Y (en) * | 2002-11-15 | 2003-11-05 | 天津理工学院 | Equal-channel corner alternating extruding device |
| CN1302867C (en) * | 2005-06-16 | 2007-03-07 | 上海交通大学 | U-shape isochannel repeated extruding apparatus for preparing ultrafine crystal material |
| CN1759946A (en) * | 2005-10-31 | 2006-04-19 | 哈尔滨理工大学 | Solid phase forming method for waste of magnesium alloy |
| CN100544850C (en) * | 2007-09-28 | 2009-09-30 | 重庆大学 | The processing method of magnesium alloy compressional deformation and mould |
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- 2008-08-19 CN CN2008100210979A patent/CN101342547B/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102029300A (en) * | 2010-11-07 | 2011-04-27 | 上海交通大学 | Back-pressure four-way reciprocating heading device and processing method thereof |
| CN102029300B (en) * | 2010-11-07 | 2012-11-07 | 上海交通大学 | Back-pressure four-way reciprocating heading device and processing method thereof |
| CN103014387A (en) * | 2012-12-24 | 2013-04-03 | 中北大学 | Preparation method of magnesium base composite doped with SiC grains |
| CN103014387B (en) * | 2012-12-24 | 2014-08-06 | 中北大学 | Preparation method of magnesium base composite doped with SiC grains |
| CN103447334A (en) * | 2013-02-01 | 2013-12-18 | 深圳信息职业技术学院 | Continuous reciprocating type equal channel corner extrusion device and method |
| CN104438415A (en) * | 2014-11-24 | 2015-03-25 | 徐州工程学院 | Multi-directional composite multi-channel screw extrusion die for metal blank |
| CN105344730A (en) * | 2015-09-26 | 2016-02-24 | 山东建筑大学 | Method for preparing nano copper wire through cold drawing in fylfot equal-channel mold cavity |
| CN105344730B (en) * | 2015-09-26 | 2017-08-04 | 山东建筑大学 | The method that the passage die cavity cold drawings such as Swastika fonts prepare Nanometer Copper wire rod |
| CN106077118A (en) * | 2016-06-28 | 2016-11-09 | 河海大学 | The continuous processing device of a kind of ultrafine grain metal section bar and processing method |
| CN106077118B (en) * | 2016-06-28 | 2018-03-06 | 河海大学 | A kind of continuous processing device and processing method of ultrafine grain metal section bar |
| CN105921657A (en) * | 2016-07-15 | 2016-09-07 | 合肥工业大学 | Enclosed-type back-pressure two-way extrusion-upsetting forming method for manufacturing refractory metal ultrafine-grained material |
| CN105921657B (en) * | 2016-07-15 | 2018-06-29 | 合肥工业大学 | Prepare the two-way upsetting extrusion method of blanking type back pressure of refractory metal super fine crystal material |
| CN106734303A (en) * | 2016-12-02 | 2017-05-31 | 中铁建电气化局集团康远新材料有限公司 | Double right angle channel continuous extrusion devices |
| CN109108101A (en) * | 2018-08-23 | 2019-01-01 | 重庆三峡学院 | A kind of multidirectional extruding near-net-shape method of heavy wall four-way pipe |
| CN109759471A (en) * | 2018-12-18 | 2019-05-17 | 长沙仲腾金属材料科技有限公司 | A kind of equal channel pressings mold preparing ultra-fine crystal block body material and method |
| CN113382810A (en) * | 2019-01-31 | 2021-09-10 | 帝国理工学院创新有限公司 | Device and method for extruding curved profiles |
| CN113382810B (en) * | 2019-01-31 | 2023-02-21 | 帝国理工学院创新有限公司 | Device and method for extruding curved profiles |
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| CN101342547B (en) | 2010-10-13 |
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