CN106180642B - One kind has shear extrusion function die casting - Google Patents

One kind has shear extrusion function die casting Download PDF

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Publication number
CN106180642B
CN106180642B CN201610586373.0A CN201610586373A CN106180642B CN 106180642 B CN106180642 B CN 106180642B CN 201610586373 A CN201610586373 A CN 201610586373A CN 106180642 B CN106180642 B CN 106180642B
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CN
China
Prior art keywords
punch
pin
plane
cavity plate
plate
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.)
Expired - Fee Related
Application number
CN201610586373.0A
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Chinese (zh)
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CN106180642A (en
Inventor
梁伟
聂慧慧
李线绒
郑留伟
任晓霞
樊海伟
周琱玉
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Shanxi Coal Colleges For Training Managerial Personnel
Taiyuan University of Technology
Original Assignee
Shanxi Coal Colleges For Training Managerial Personnel
Taiyuan University of Technology
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Application filed by Shanxi Coal Colleges For Training Managerial Personnel, Taiyuan University of Technology filed Critical Shanxi Coal Colleges For Training Managerial Personnel
Priority to CN201610586373.0A priority Critical patent/CN106180642B/en
Publication of CN106180642A publication Critical patent/CN106180642A/en
Application granted granted Critical
Publication of CN106180642B publication Critical patent/CN106180642B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D18/00Pressure casting; Vacuum casting
    • B22D18/02Pressure casting making use of mechanical pressure devices, e.g. cast-forging

Abstract

A kind of die casting with shear extrusion function,Primary structure includes punch-pin,Cavity plate,Right baffle-plate,Right shell body,Bolt is female,V-shaped cavity,Room chamber,Upper room groove,Lower room groove,Upper holder block,Lower lock block,Overflow launder,It is shrinkage cavity easily occur in traditional press casting procedure for magnesium alloy,Shrinkage porosite,Crackle,The problem of the defects of internal porosity,Devise the die casting with shear extrusion function,Punch-pin is the cuboid with oblique face,The V-shaped channel-shaped of cavity plate,Punch-pin inclined plane part is connected with cavity plate inclined plane part,Punch-pin inclined plane part is equal with cavity plate inclined plane part angle,When magnesium alloy liquation injects concave die cavity,Punch-pin inclined plane part is slowly pressed into,Shear extrusion power is formed in process of press in,Form magnesium alloy plate,Shear extrusion can effectively improve the compactness of magnesium alloy plate metallographic structure,Strengthen the mechanical property of magnesium alloy plate,Design of Die is advanced,It is rational in infrastructure compact,Shear extrusion power is strong,It is easy to install.

Description

One kind has shear extrusion function die casting
Technical field
The present invention relates to a kind of die casting with shear extrusion function, category non-ferrous metal composite prepare frock and The technical field of application.
Background technology
Non-ferrous metal magnesium and magnesium alloy have many advantages, such as that light weight, excellent cutting performance, capability of electromagnetic shielding are good, Chang It is applied in Aeronautics and Astronautics, electronics industry;But magnesium and magnesium alloy strength are low, hardness is low, poor toughness, corrosion-resistant, make magnesium And the application of magnesium alloy receives great limitation.
The processing mode of magnesium and magnesium alloy has a variety of, such as machining, die casting, traditional die casting mode, in casting often The defects of shrinkage cavity and porosity, crackle, internal porosity occurs, cause the interface wet ability of magnesium and magnesium alloy substrate poor, matrix Consistency is low, directly affects the mechanical property of magnesium and magnesium alloy.
The content of the invention
Goal of the invention
The purpose of the present invention is the deficiency and technology drawback for background technology, for magnesium and the straight plate shape zero of magnesium alloy Part, a kind of die casting with shear extrusion function is designed, the V-shaped channel-shaped of concave die cavity, punch-pin is the rectangle with oblique face Body, punch and matrix is set to form shear extrusion function in press casting procedure, to improve the compactness of plate parts and intensity.
Technical scheme
Primary structure of the present invention includes:Punch-pin, cavity plate, punch-pin inclined plane part, cavity plate inclined plane part, cavity plate straight parts, right baffle-plate, Right shell body, bolt are female, V-shaped cavity, room chamber, upper room groove, lower room groove, upper holder block, lower lock block, overflow launder;
Die casting middle part with shear extrusion function is cavity plate, is convex on the top of cavity plate and middle part Mould;Be provided with right baffle-plate in the left side of cavity plate, and by the first bolt is female, the second bolt is female, the 3rd bolt is female, the 4th bolt is female, 5th bolt is female, the 6th bolt is female fixed;Be provided with right shell body in the right side of cavity plate, and by the 7th bolt is female, the 8th bolt is female, 9th bolt is female, the tenth bolt is female, the 11st bolt is female, the 12nd bolt is female fixed;The V-shaped channel-shaped of concave die cavity, punch-pin Working surface is punch-pin inclined plane part, and the working surface of cavity plate is cavity plate inclined plane part, and cavity plate inclined plane part coordinates with punch-pin inclined plane part and connected Connect;Punch-pin inclined plane part bevel angle is 45 °, and cavity plate inclined plane part bevel angle is 45 °, and two inclined plane part angles are equal;It is oblique in punch-pin Facial top is provided with upper room groove, bottom and is provided with lower room groove, and upper room groove is built with upper holder block, lower room groove built with pushing Block;Room chamber is provided with cavity plate bottom, following side is provided with overflow launder.
Described punch-pin is the cuboid with oblique face, and the following side of punch-pin is punch-pin inclined plane part, punch-pin inclined plane part it is oblique Face angle is 45 °, is provided with upper room groove on the top of punch-pin inclined plane part, bottom is provided with lower room groove.
The V-shaped channel-shaped of described cavity plate, groove left part are cavity plate straight parts, and groove right part is cavity plate inclined plane part, cavity plate inclined plane part The angle of chamfer be 45 °, be room groove in the bottom of cavity plate inclined plane part, overflow launder be provided with the bottom of cavity plate straight parts.
Beneficial effect
The present invention has obvious advance compared with background technology, is in traditional press casting procedure for magnesium and magnesium alloy In easily there is the problem of the defects of shrinkage cavity and porosity, crackle, internal porosity, devise the die casting with shear extrusion function, The V-shaped channel-shaped of concave die cavity, the working surface of punch-pin are punch-pin inclined plane part, and the working surface of cavity plate is cavity plate inclined plane part, cavity plate The angle of chamfer of inclined plane part and punch-pin inclined plane part is 45 °, and is connected;When liquid magnesium alloy injects cavity plate V-shaped cavity, punch-pin Slowly press-in, shear extrusion power is formed in process of press in, form magnesium alloy plate, shear extrusion can effectively improve magnesium alloy sheet metal The compactness of phase constitution, the mechanical property of magnesium alloy plate is enhanced, this Design of Die is advanced, rational in infrastructure compact, shearing Extruding force is strong, easy to install, is the advanced die casting with shear extrusion function.
Brief description of the drawings
Fig. 1, magnesium alloy plate structure chart
Fig. 2, die casting overall structure figure
Fig. 3, Fig. 2 B direction views
Fig. 4, die casting front view
Fig. 5, Fig. 4 A-A profiles
Fig. 6, punch-pin front view
Fig. 7, punch-pin side view
Fig. 8, cavity plate front view
Fig. 9, cavity plate side view
Figure 10, briquetting front view
Figure 11, briquetting side view
Shown in figure, list of numerals is as follows:
1st, punch-pin, 2, cavity plate, 3, right baffle-plate, 4, right shell body, the 5, first bolt is female, and the 6, second bolt is female, the 7, the 3rd bolt Mother, the 8, the 4th bolt are female, and the 9, the 5th bolt is female, and the 10, the 6th bolt is female, and the 11, the 7th bolt is female, and the 12, the 8th bolt is female, and 13, the Nine bolts are female, and the 14, the tenth bolt is female, and the 15, the 11st bolt is female, and the 16, the 12nd bolt is female, and 17, V-shaped cavity, 18, room chamber, 19th, upper holder block, 20, lower lock block, 21, overflow launder, 22, magnesium alloy plate, 23, upper room groove, 24, lower room groove, 25, punch-pin inclined-plane Portion, 26, cavity plate inclined plane part, 27, cavity plate straight parts.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described:
It is magnesium alloy plate structure chart shown in Fig. 1, magnesium alloy plate 22 is rectangular, and positive and negative surface is flat shape, and its thickness is 5mm, length 100mm, width 50mm.
Shown in Fig. 2,3,4,5, for die casting overall structure figure, each portion position is correct, firmly installs.
Die casting middle part is cavity plate 2, is punch-pin 1 on the top of cavity plate 2 and inside;Set in the left side of cavity plate 2 There is right baffle-plate 3, and by the first bolt mother 5, the second bolt mother 6, the 3rd bolt mother 7, the 4th bolt mother 8, the 5th bolt mother 9, Six bolts mother 10 fixes;Right shell body 4 is provided with the right side of cavity plate 2, and by the 7th bolt mother 11, the 8th bolt mother the 12, the 9th Bolt mother 13, the tenth bolt mother 14, the 11st bolt mother 15, the 12nd bolt mother 16 fix;It is V-shaped cavity 17 in cavity plate 2, it is convex The working surface of mould 1 is punch-pin inclined plane part 25, and the working surface of cavity plate 2 is cavity plate inclined plane part 26, cavity plate inclined plane part 26 and punch-pin Inclined plane part 25 is connected;The bevel angle of punch-pin inclined plane part 25 is 45 °, and the bevel angle of cavity plate inclined plane part 26 is 45 °, and two is oblique Face angle degree is equal;Lower room groove 24 is provided with provided with upper room groove 23, bottom on the top of punch-pin inclined plane part 25, upper room groove 23 is built-in There are upper holder block 19, lower room groove 24 built with lower lock block 20;Room chamber 18 is provided with the bottom of cavity plate 2, following side is provided with overflow Groove 21.
It is punch structure figure as shown in 6,7, punch-pin is the cuboid with oblique face, and the bottom right sidepiece of punch-pin 1 is oblique for punch-pin Face 25, the angle of chamfer of punch-pin inclined plane part 25 is 45 °, is provided with upper room groove 23 on the top of punch-pin inclined plane part 25, bottom is provided with Lower room groove 24.
Fig. 8, it is cavity die structure figure, the V-shaped channel-shaped of die cavity of cavity plate 2, centre is V-shaped cavity 17, and groove left part is shown in 9 Cavity plate straight parts 27, groove right part are cavity plate inclined plane part 26, and the angle of chamfer of cavity plate inclined plane part 26 is 45 °, in cavity plate inclined plane part 26 Bottom is room groove 18, and overflow launder 21 is provided with the bottom of cavity plate straight parts 27.
Figure 10, it is briquette structure figure, upper holder block 19, the structure of lower lock block 20, shape, size are consistent, in long rectangle shown in 11 It is block.
Embodiment 1
Die casting application method with shear extrusion function is as follows:
(1) die casting is vertically arranged on the workbench of forcing press;
(2) pressure head of forcing press and punch-pin are connected, and above carried;
(3) the magnesium alloy liquation alignment cavity plate of melting is cast, when flowing out magnesium alloy liquation in spout hole, casting Terminate;
(4) pressure head of forcing press and punch-pin are slowly pressed into concave die cavity;
Press ram drives punch-pin slowly to press, and pressure pressure is 3MPa;
(5) for press ram with punch-pin in course of exerting pressure, the shaping of magnesium alloy liquation is cooled to 25 DEG C;
(6) mold, adherence pressure compressing head, and drive punch-pin to be lifted, punch-pin is departed from cavity plate;
Right baffle-plate and right shell body are unloaded, magnesium alloy plate is taken out, that is, completes the shear extrusion die casting of magnesium alloy plate;
(7) magnesium alloy plate is placed on steel flat board, makes its smooth with mechanical cutting periphery, with sand paper polishing periphery and just The anti-each portion in surface;
(8) clean, with each portion in the positive and negative surface of washes of absolute alcohol magnesium alloy plate, make it clean, as finished product.

Claims (4)

  1. A kind of 1. die casting with shear extrusion function, it is characterised in that:
    Mould primary structure includes:Punch-pin, cavity plate, punch-pin inclined plane part, cavity plate inclined plane part, cavity plate straight parts, right baffle-plate, right gear Plate, bolt are female, V-shaped cavity, room chamber, upper room groove, lower room groove, upper holder block, lower lock block, overflow launder;
    Die casting middle part with shear extrusion function is cavity plate, is punch-pin on the top of cavity plate and middle part; The left side of cavity plate is provided with right baffle-plate, and by the first bolt is female, the second bolt is female, the 3rd bolt is female, the 4th bolt is female, the 5th spiral shell Bolt is female, the 6th bolt is female fixed;Right shell body is provided with the right side of cavity plate, and by the 7th bolt is female, the 8th bolt is female, the 9th spiral shell Bolt is female, the tenth bolt is female, the 11st bolt is female, the 12nd bolt is female fixed;The V-shaped channel-shaped of concave die cavity, the work type of punch-pin Face is punch-pin inclined plane part, and the working surface of cavity plate is cavity plate inclined plane part, and cavity plate inclined plane part is connected with punch-pin inclined plane part;Punch-pin Inclined plane part bevel angle is 45o, cavity plate inclined plane part bevel angle is 45o, two inclined plane part angles are equal;On punch-pin inclined plane part top Lower room groove is provided with provided with upper room groove, bottom, upper room groove is built with upper holder block, lower room groove built with lower lock block;Recessed Mould bottom is provided with room chamber, following side is provided with overflow launder.
  2. A kind of 2. die casting with shear extrusion function according to claim 1, it is characterised in that:Described punch-pin For the cuboid with oblique face, the following side of punch-pin is punch-pin inclined plane part, and the angle of chamfer of punch-pin inclined plane part is 45o, it is oblique in punch-pin The top of face is provided with upper room groove, bottom is provided with lower room groove.
  3. A kind of 3. die casting with shear extrusion function according to claim 1, it is characterised in that:Described cavity plate V-shaped channel-shaped, left part of the groove on V-arrangement in-plane are cavity plate straight parts, and right part of the groove on V-arrangement in-plane is cavity plate Inclined plane part, the angle of chamfer of cavity plate inclined plane part is 45o, it is room groove in the bottom of cavity plate inclined plane part, in the bottom of cavity plate straight parts Provided with overflow launder.
  4. A kind of 4. die casting with shear extrusion function according to claim 1, it is characterised in that:
    Die casting application method with shear extrusion function is as follows:
    (1)Die casting is vertically arranged on the workbench of forcing press;
    (2)The pressure head of forcing press and punch-pin are connected, and above carried;
    (3)The magnesium alloy liquation alignment cavity plate of melting is cast, when flowing out magnesium alloy liquation in spout hole, casting knot Beam;
    (4)The pressure head of forcing press and punch-pin are slowly pressed into concave die cavity;
    Press ram drives punch-pin slowly to press, and pressure pressure is 3MPa;
    (5)For press ram with punch-pin in course of exerting pressure, the shaping of magnesium alloy liquation is cooled to 25oC;
    (6)Die sinking, adherence pressure compressing head, and drive punch-pin to be lifted, punch-pin is departed from cavity plate;
    Right baffle-plate and right shell body are unloaded, magnesium alloy plate is taken out, that is, completes the shear extrusion die casting of magnesium alloy plate;
    (7)Magnesium alloy plate is placed on steel flat board, makes its smooth with mechanical cutting periphery, with sand paper polishing periphery and positive and negative table Each portion in face;
    (8)Cleaning, with each portion in the positive and negative surface of washes of absolute alcohol magnesium alloy plate, make it clean, as finished product.
CN201610586373.0A 2016-07-22 2016-07-22 One kind has shear extrusion function die casting Expired - Fee Related CN106180642B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610586373.0A CN106180642B (en) 2016-07-22 2016-07-22 One kind has shear extrusion function die casting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610586373.0A CN106180642B (en) 2016-07-22 2016-07-22 One kind has shear extrusion function die casting

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CN106180642A CN106180642A (en) 2016-12-07
CN106180642B true CN106180642B (en) 2018-03-09

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201320600Y (en) * 2008-05-14 2009-10-07 华中科技大学 Cast mould for sloping cam plate of auto air conditioning compressor
CN102921921A (en) * 2012-10-17 2013-02-13 华南理工大学 Floating type direct extrusion casting mold and implementing method thereof
CN203649367U (en) * 2013-11-07 2014-06-18 苏州三电精密零件有限公司 Casting mold for aluminium workpiece of automobile air conditioner compressor casing
CN104741571A (en) * 2015-03-23 2015-07-01 昆明理工大学 Manufacturing method of wallboard profile material
CN204657444U (en) * 2015-05-29 2015-09-23 重庆理工大学 A kind of light-alloy continuous Quench casting extruding mold

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201320600Y (en) * 2008-05-14 2009-10-07 华中科技大学 Cast mould for sloping cam plate of auto air conditioning compressor
CN102921921A (en) * 2012-10-17 2013-02-13 华南理工大学 Floating type direct extrusion casting mold and implementing method thereof
CN203649367U (en) * 2013-11-07 2014-06-18 苏州三电精密零件有限公司 Casting mold for aluminium workpiece of automobile air conditioner compressor casing
CN104741571A (en) * 2015-03-23 2015-07-01 昆明理工大学 Manufacturing method of wallboard profile material
CN204657444U (en) * 2015-05-29 2015-09-23 重庆理工大学 A kind of light-alloy continuous Quench casting extruding mold

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Granted publication date: 20180309

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