CN110052505A - A kind of experiment of magnesium alloy with etc. channel angular extrusions mold - Google Patents

A kind of experiment of magnesium alloy with etc. channel angular extrusions mold Download PDF

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Publication number
CN110052505A
CN110052505A CN201910465992.8A CN201910465992A CN110052505A CN 110052505 A CN110052505 A CN 110052505A CN 201910465992 A CN201910465992 A CN 201910465992A CN 110052505 A CN110052505 A CN 110052505A
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CN
China
Prior art keywords
cavity plate
isometrical
isometrical angle
hole
half module
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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.)
Pending
Application number
CN201910465992.8A
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Chinese (zh)
Inventor
刘文义
胡小会
张会
张伟
邹祥宇
孟凡莹
刘艳
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Shaanxi University of Technology
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Shaanxi University of Technology
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Application filed by Shaanxi University of Technology filed Critical Shaanxi University of Technology
Priority to CN201910465992.8A priority Critical patent/CN110052505A/en
Publication of CN110052505A publication Critical patent/CN110052505A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C25/00Profiling tools for metal extruding
    • B21C25/02Dies

Abstract

The present invention provide a kind of experiment of magnesium alloy with etc. channel angular extrusions mold, including punch-pin, cavity die structure, isometrical angle cavity plate, isometrical angle cavity plate banding set and cavity plate understructure, the punch-pin be mounted on the upper end of isometrical angle cavity plate by cavity die structure;The isometrical angle cavity plate banding set is socketed in the outer wall middle position of isometrical angle cavity plate;The lower end of isometrical angle cavity plate is arranged in the cavity plate understructure;The punch-pin includes inverted T-shaped die punch, upper mold rotary table and backform platform, the lower middle position of the upper end integrated setting of the inverted T-shaped die punch in upper mold rotary table;The upper surface of the upper mold rotary table and the lower surface integrated setting of backform platform.Clout of the present invention takes out very convenient;Mould volume is small, and mold materials dosage is few;Isometrical angle cavity plate can carry out separately machined and easy to process according to angle needed for testing;It can individually be replaced after isometrical angle cavity plate is impaired, it is easy to operate.

Description

A kind of experiment of magnesium alloy with etc. channel angular extrusions mold
Technical field
The invention belongs to the channel angular extrusions technical fields such as magnesium alloy experiment use more particularly to a kind of experiment of magnesium alloy to use Etc. channel angular extrusions mold.
Background technique
Magnesium alloy is the alloy that other elements composition is added based on magnesium.Its main feature is that: density is small, and (1.8g/cm3 magnesium closes Gold left and right), intensity is high, and elasticity modulus is big, good heat dissipation, and absorb shock resistance is good, and it is bigger than aluminium alloy to absorb impact load-carrying ability, resistance to organic matter It is good with the corrosive nature of alkali.Main alloy element has aluminium, zinc, manganese, cerium, thorium and a small amount of zirconium or cadmium etc..At present using most wide It is magnesium alloy, followed by magnesium-manganese alloy and magnesium zinc zircaloy.It is mainly used for the industry such as Aeronautics and Astronautics, transport, chemical industry, rocket Department.It is most light metal in practical metal, it is the 1/4 of iron that the specific gravity of magnesium, which is about the 2/3 of aluminium,.It is in practical metal Most light metal, high-intensitive, high rigidity.
Etc. channel angular extrusions (ECAP) technology be a kind of violent large plastometric set technique, it be by sample be pressed into a spy It realizes that the aximal deformation value of material is shear-deformable in the mold not designed, can significantly refine crystal grain, improve microcosmic group of material It knits.
China Patent Publication No. is CN204700076U, and invention and created name is a kind of ECAP Die, including upper Die holder, guide sleeve, guide post, convex mould pad, positioning pin, punch-pin, punch retainer, preceding cavity plate, rear cavity plate, discharge arm, cavity plate backing plate, Pre-stress cover and lower die holder, upper die holder and lower die holder two sides are respectively fixed with the guide sleeve for being built-in with guide post, preceding cavity plate and rear cavity plate It is connected by positioning pin with hexagon socket head cap screw, and the lower end of preceding cavity plate and rear cavity plate is fixed with cavity plate backing plate and lower die holder, preceding cavity plate And rear cavity plate outer cover is equipped with Pre-stress cover, is interference fitted between punch-pin and punch retainer;It is formed in preceding cavity plate and rear cavity plate perpendicular Straight squeezing passage and lateral extrusion channel, discharge arm slide setting in horizontal channel, and punch-pin outer surface is axially opened up along punch-pin There is the groove of lower end closed.But existing extrusion die is generally needed there is also squeezing to finish remaining material taking-up more difficulty It to be squeezed out before squeeze next time using lead rod, time-consuming and laborious, mould volume is big, and material utilization amount is more in manufacturing process, and volume is big It is difficult to carry and operate, material utilization amount causes manufacturing cost high, needs different molds to realize at different isometrical angles, no more Experiment with angle needs different mold to realize, increased costs, and die change is repaired more tired after also complicated and mold is impaired Difficulty, or even whole secondary mold is needed to be replaced, the high problem of maintenance cost.
Therefore, invent a kind of experiment of magnesium alloy with etc. channel angular extrusions mold be very necessary.
Summary of the invention
In order to solve the above technical problem, the present invention provides a kind of magnesium alloys to test the channel angular extrusions molds such as use, with Solving existing extrusion die, there is extruding to finish remaining material taking-up more difficulty, generally requires and utilizes before squeeze next time Lead rod squeezes out, and time-consuming and laborious, mould volume is big, and material utilization amount is more in manufacturing process, and volume is difficult to greatly carry and operate, and material is used Amount causes manufacturing cost high, needs different molds to realize at different isometrical angles, the experiment of different angle needs difference Mold realize, increased costs, die change is also complicated and mold it is impaired after, repair more difficult, or even need whole secondary mold It is replaced, the high problem of maintenance cost.A kind of experiment of magnesium alloy with etc. channel angular extrusions mold, including punch-pin, cavity plate knot Structure, isometrical angle cavity plate, isometrical angle cavity plate banding set and cavity plate understructure, the punch-pin is mounted on isometrical by cavity die structure The upper end of angle cavity plate;The isometrical angle cavity plate banding set is socketed in the outer wall middle position of isometrical angle cavity plate;The cavity plate The lower end of isometrical angle cavity plate is arranged in understructure;The punch-pin includes inverted T-shaped die punch, upper mold rotary table and backform platform, Lower middle position of the upper end integrated setting of the inverted T-shaped die punch in upper mold rotary table;The upper mold rotary table The lower surface integrated setting of upper surface and backform platform.
Preferably, the cavity die structure includes threaded hole one, center material hole and die body, under the die body The middle position of side or so two offers threaded hole one respectively;The center material hole is longitudinally provided in the inside of die body Between position.
Preferably, the isometrical angle cavity plate includes isometrical angle cavity plate half module one and isometrical angle cavity plate half module two, described The left side of isometrical angle cavity plate half module two is arranged in isometrical angle cavity plate half module one;The upper inside of the isometrical angle cavity plate half module one Middle position, which offers, is squeezed into type hole one;The inside left middle position of the isometrical angle cavity plate half module one longitudinally offers Unthreaded hole one.
Preferably, the upper inside middle position of the isometrical angle cavity plate half module two, which offers, is squeezed into type hole two;Institute The inner right side middle position for the isometrical angle cavity plate half module two stated longitudinally offers unthreaded hole two.
Preferably, the cavity plate understructure includes threaded hole two and base body, the upper inside of the base body Two wall middle positions of left and right offer threaded hole two.
Preferably, the isometrical angle cavity plate half module one and isometrical angle cavity plate half module two are arranged under die body after merging End.
Preferably, the inverted T-shaped die punch can be plugged on the inside in center material hole with activity.
Preferably, the upper end of the unthreaded hole one and unthreaded hole two setting corresponding with threaded hole one respectively.
Preferably, it is described be squeezed into type hole one and be squeezed into type hole two-phase be correspondingly arranged.
Preferably, the lower end of the unthreaded hole one and unthreaded hole two is correspondingly arranged with threaded hole two-phase respectively.
Preferably, the upper of base body is arranged in after merging in the isometrical angle cavity plate half module one and isometrical angle cavity plate half module two End.
Preferably, the isometrical angle cavity plate stirrup, which is put on, is provided with and the consistent circular hole of extrusion forming orifice angle.
Compared with prior art, the invention has the benefit that
1. in the present invention, the setting of the isometrical angle cavity plate half module one and isometrical angle cavity plate half module two can be convenient, quick Clout is taken out, and facilitate processing.
2. in the present invention, the punch-pin, cavity die structure, isometrical angle cavity plate, isometrical angle cavity plate banding covers and cavity plate pedestal The setting of structure constitutes extrusion die, and mould volume is small, and mold materials dosage is few, saves manufacturing cost.
3. in the present invention, the setting of the isometrical angle cavity plate can carry out separately machined, guarantor according to angle needed for testing Card operation convenience.
4. in the present invention, the setting of the isometrical angle cavity plate can individually be replaced after impaired, easy to operate.
5. in the present invention, the setting of the isometrical angle cavity plate banding set, to guarantee that isometrical angle is recessed in extrusion process 2 two half modules of mould half module one and isometrical angle cavity plate half module merge, and guarantee to merge stability.
6. in the present invention, the circular hole of the isometrical angle cavity plate banding set, to guarantee the stream of material in extrusion process Out.
7. in the present invention, the unthreaded hole one and unthreaded hole two are arranged, two half modules can be fixed, can also squeeze Guarantee that isometrical angle cavity plate half module one and isometrical 2 two half modules of angle cavity plate half module will not move in journey.
8. in the present invention, the setting of the threaded hole one can be used to install screw rod.
9. in the present invention, the setting of the threaded hole two can be used to install screw rod.
10. in the present invention, the inverted T-shaped die punch, the setting of upper mold rotary table and backform platform guarantees that mesh is tested in moulding 's.
11. in the present invention, the setting in the center material hole is conducive to experimental work and goes on smoothly, in order to store Material.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the structural schematic diagram of punch-pin of the invention.
Fig. 3 is the structural schematic diagram of cavity die structure of the invention.
Fig. 4 is the structural schematic diagram of isometrical angle cavity plate half module one of the invention.
Fig. 5 is the structural schematic diagram of isometrical angle cavity plate half module two of the invention.
Fig. 6 is the structural schematic diagram of cavity plate understructure of the invention.
In figure:
1, punch-pin;11, inverted T-shaped die punch;12, upper mold rotary table;13, backform platform;2, cavity die structure;21, threaded hole one; 22, center material hole;23, die body;3, isometrical angle cavity plate;31, isometrical angle cavity plate half module one;311, it is squeezed into type hole one; 312, unthreaded hole one;32, isometrical angle cavity plate half module two;321, it is squeezed into type hole two;322, unthreaded hole two;4, isometrical angle cavity plate banding Set;5, cavity plate understructure;51, threaded hole two;52, base body.
Specific embodiment
The present invention is specifically described with reference to the accompanying drawing, as shown in Figure 1 and Figure 2, a kind of magnesium alloy experiment use Etc. channel angular extrusions mold, including punch-pin 1, cavity die structure 2, isometrical angle cavity plate 3, isometrical angle cavity plate banding set 4 and cavity plate bottom Holder structure 5, the punch-pin 1 are mounted on the upper end of isometrical angle cavity plate 3 by cavity die structure 2;The isometrical angle cavity plate banding Set 4 is socketed in the outer wall middle position of isometrical angle cavity plate 3;The cavity plate understructure 5 is arranged under isometrical angle cavity plate 3 End;The punch-pin 1 includes inverted T-shaped die punch 11, upper mold rotary table 12 and backform platform 13, the inverted T-shaped die punch 11 Upper end integrated setting upper mold rotary table 12 lower middle position;The upper surface of the upper mold rotary table 12 and backform platform 13 Lower surface integrated setting.
In the present embodiment, in conjunction with shown in attached drawing 3, the cavity die structure 2 includes threaded hole 1, center material hole 22 With die body 23, the middle position of the downside of die body 23 or so two offers threaded hole 1 respectively;In described The longitudinal bosom position for being provided with die body 23 in heart material hole 22.
In the present embodiment, in conjunction with shown in attached drawing 4, the isometrical angle cavity plate 3 includes isometrical one 31 He of angle cavity plate half module The left side of isometrical angle cavity plate half module 2 32 is arranged in isometrical angle cavity plate half module 2 32, the isometrical angle cavity plate half module 1;Institute The upper inside middle position for the isometrical angle cavity plate half module 1 stated, which offers, is squeezed into type hole 1;The isometrical angle is recessed The inside left middle position of mould half module 1 longitudinally offers unthreaded hole 1.
In the present embodiment, in conjunction with shown in attached drawing 5, the upper inside middle position of the isometrical angle cavity plate half module 2 32 It offers and is squeezed into type hole 2 321;The inner right side middle position of the isometrical angle cavity plate half module 2 32 longitudinally offers light Hole 2 322.
In the present embodiment, in conjunction with shown in attached drawing 6, the cavity plate understructure 5 includes threaded hole 2 51 and base body 52, two wall middle position of described upper inside of base body 52 or so offers threaded hole 2 51.
In the present embodiment, specifically, the isometrical angle cavity plate half module 1 and isometrical angle cavity plate half module 2 32 merge The lower end of die body 23 is set afterwards.
In the present embodiment, specifically, the inverted T-shaped die punch 11 can be plugged on center material hole 22 with activity Inside.
In the present embodiment, specifically, the upper end of the unthreaded hole 1 and unthreaded hole 2 322 respectively with threaded hole 1 Corresponding setting.
In the present embodiment, specifically, described be squeezed into type hole 1 and be squeezed into the corresponding setting of type hole 2 321.
In the present embodiment, specifically, the lower end of the unthreaded hole 1 and unthreaded hole 2 322 respectively with threaded hole 2 51 Corresponding setting.
In the present embodiment, specifically, the isometrical angle cavity plate half module 1 and isometrical angle cavity plate half module 2 32 merge The upper end of base body 52 is set afterwards.
Working principle
In the present invention, the screwed screw rod in one end screws base body 52 and enters inside threaded hole 2 51, by isometrical angle cavity plate Half module 1 and the merging of isometrical angle cavity plate half module 2 32 are placed on base body 52, and the screw rod on base body 52 penetrates unthreaded hole one 312 and unthreaded hole 2 322 inside;The screwed screw rod in one end screw with inside the threaded hole 1 in die body 23, then will be recessed Die body 23 is placed on isometrical angle cavity plate 3, and the screw rod on die body 23 penetrates inside unthreaded hole 1 and unthreaded hole 2 322;Then will Isometrical angle cavity plate banding covers 4 sets in isometrical 3 outside of angle cavity plate, to guarantee that two half modules will not separate material in extrusion process; Circular hole on stirrup set 4 is aligned with type hole is squeezed into, and guarantees that experimental material flows out during extrusion forming;Experimental material is placed in In center material hole 22 in die body 23, punch-pin 1 is placed on experimental material, and 1 downlink of punch-pin can be made by applying active force, will Experimental material is squeezed into inside isometrical angle cavity plate 3, achievees the purpose that plastic deformation;After experiment, isometrical angle cavity plate 3 need to only be taken Under, internal surplus material can easily take out.
Using technical solutions according to the invention or those skilled in the art under the inspiration of technical solution of the present invention, Similar technical solution is designed, and reaches above-mentioned technical effect, is to fall into protection scope of the present invention.

Claims (10)

1. channel angular extrusions molds such as a kind of magnesium alloy experiment use, which is characterized in that the channel angulars such as magnesium alloy experiment use Extrusion die includes punch-pin (1), cavity die structure (2), isometrical angle cavity plate (3), isometrical angle cavity plate banding set (4) and cavity plate pedestal knot Structure (5), the punch-pin (1) are mounted on the upper end of isometrical angle cavity plate (3) by cavity die structure (2);The isometrical angle cavity plate Banding set (4) is socketed in the outer wall middle position of isometrical angle cavity plate (3);The cavity plate understructure (5) is arranged at isometrical angle The lower end of cavity plate (3);The punch-pin (1) includes inverted T-shaped die punch (11), upper mold rotary table (12) and backform platform (13), institute Lower middle position of the upper end integrated setting for the inverted T-shaped die punch (11) stated in upper mold rotary table (12);The upper mold The upper surface of rotary table (12) and the lower surface integrated setting of backform platform (13);The cavity die structure (2) includes threaded hole one (21), center material hole (22) and die body (23), the middle position of downside of the die body (23) or so two are opened respectively Equipped with threaded hole one (21);The center material hole (22) is longitudinally provided with the bosom position of die body (23).
2. channel angular extrusions molds such as magnesium alloy experiment use as described in claim 1, which is characterized in that the isometrical angle Cavity plate (3) includes isometrical angle cavity plate half module one (31) and isometrical angle cavity plate half module two (32), the isometrical angle cavity plate half module one (31) it is arranged in the left side of isometrical angle cavity plate half module two (32);Among the upper inside of the isometrical angle cavity plate half module one (31) Position, which offers, is squeezed into type hole one (311);The inside left middle position of the isometrical angle cavity plate half module one (31) is longitudinal Offer unthreaded hole one (312).
3. channel angular extrusions molds such as magnesium alloy experiment use as claimed in claim 2, which is characterized in that the isometrical angle The upper inside middle position of cavity plate half module two (32), which offers, is squeezed into type hole two (321);The isometrical angle cavity plate half module The inner right side middle position of two (32) longitudinally offers unthreaded hole two (322).
4. channel angular extrusions molds such as magnesium alloy experiment use as described in claim 1, which is characterized in that the cavity plate bottom Holder structure (5) includes threaded hole two (51) and base body (52), among two walls of upper inside of the base body (52) or so Position offers threaded hole two (51).
5. channel angular extrusions molds such as magnesium alloy experiment use as claimed in claim 2, which is characterized in that the isometrical angle Lower end of the setting in die body (23) after cavity plate half module one (31) and isometrical angle cavity plate half module two (32) merge.
6. channel angular extrusions molds such as magnesium alloy experiment use as described in claim 1, which is characterized in that the inverted T-shaped Die punch (11) can be plugged on the inside in center material hole (22) with activity;Isometrical angle cavity plate banding set (4) band It is angled be squeezed into the consistent circular hole of type hole.
7. channel angular extrusions molds such as magnesium alloy experiment use as claimed in claim 3, which is characterized in that the unthreaded hole one (312) and the setting corresponding with threaded hole one (21) respectively of the upper end of unthreaded hole two (322).
8. channel angular extrusions molds such as magnesium alloy experiment use as claimed in claim 3, which is characterized in that described is squeezed into Type hole one (311) and it is squeezed into the corresponding setting of type hole two (321).
9. channel angular extrusions molds such as magnesium alloy experiment use as claimed in claim 4, which is characterized in that the unthreaded hole one (312) and the setting corresponding with threaded hole two (51) respectively of the lower end of unthreaded hole two (322).
10. channel angular extrusions molds such as magnesium alloy experiment use as claimed in claim 4, which is characterized in that described is isometrical Upper end of the setting in base body (52) after angle cavity plate half module one (31) and isometrical angle cavity plate half module two (32) merge.
CN201910465992.8A 2019-05-31 2019-05-31 A kind of experiment of magnesium alloy with etc. channel angular extrusions mold Pending CN110052505A (en)

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CN201910465992.8A CN110052505A (en) 2019-05-31 2019-05-31 A kind of experiment of magnesium alloy with etc. channel angular extrusions mold

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CN201910465992.8A CN110052505A (en) 2019-05-31 2019-05-31 A kind of experiment of magnesium alloy with etc. channel angular extrusions mold

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113399487A (en) * 2021-03-10 2021-09-17 沈阳航空航天大学 Extrusion die capable of heating 120-degree corner for magnesium alloy and aluminum alloy

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1712155A (en) * 2005-07-27 2005-12-28 哈尔滨工业大学 Equal radial-channel angular extruding machining apparatus of magnesium alloy and machining method thereof
CN201735621U (en) * 2010-04-06 2011-02-09 南昌航空大学 Equal-passage corner extrusion die
EP2705912A1 (en) * 2012-09-10 2014-03-12 AIT Austrian Institute of Technology GmbH Tool for forming a metal object under high pressure
CN204093855U (en) * 2014-10-16 2015-01-14 中国石油大学(华东) A kind of equal channel angular extrusion die
CN108704949A (en) * 2018-05-23 2018-10-26 贵州大学 A kind of magnesium alloy channel corner hot-extrusion mold and its heating device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1712155A (en) * 2005-07-27 2005-12-28 哈尔滨工业大学 Equal radial-channel angular extruding machining apparatus of magnesium alloy and machining method thereof
CN201735621U (en) * 2010-04-06 2011-02-09 南昌航空大学 Equal-passage corner extrusion die
EP2705912A1 (en) * 2012-09-10 2014-03-12 AIT Austrian Institute of Technology GmbH Tool for forming a metal object under high pressure
CN204093855U (en) * 2014-10-16 2015-01-14 中国石油大学(华东) A kind of equal channel angular extrusion die
CN108704949A (en) * 2018-05-23 2018-10-26 贵州大学 A kind of magnesium alloy channel corner hot-extrusion mold and its heating device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113399487A (en) * 2021-03-10 2021-09-17 沈阳航空航天大学 Extrusion die capable of heating 120-degree corner for magnesium alloy and aluminum alloy

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Application publication date: 20190726

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