CN104985159B - A kind of die casting equipment and method for producing refractory metal coating ceramic chip material - Google Patents
A kind of die casting equipment and method for producing refractory metal coating ceramic chip material Download PDFInfo
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- CN104985159B CN104985159B CN201510383285.6A CN201510383285A CN104985159B CN 104985159 B CN104985159 B CN 104985159B CN 201510383285 A CN201510383285 A CN 201510383285A CN 104985159 B CN104985159 B CN 104985159B
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- mould groove
- preheating
- die casting
- preheating mechanism
- crucible
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- 239000000463 material Substances 0.000 title claims abstract description 26
- 239000000919 ceramic Substances 0.000 title claims abstract description 25
- 238000004512 die casting Methods 0.000 title claims abstract description 25
- 239000011248 coating agent Substances 0.000 title claims abstract description 20
- 238000000576 coating method Methods 0.000 title claims abstract description 20
- 239000003870 refractory metal Substances 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 229910052751 metal Inorganic materials 0.000 claims abstract description 29
- 239000002184 metal Substances 0.000 claims abstract description 29
- 230000005484 gravity Effects 0.000 claims abstract description 22
- 238000000465 moulding Methods 0.000 claims abstract description 8
- 238000005266 casting Methods 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims description 24
- 239000007787 solid Substances 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 15
- 229910001338 liquidmetal Inorganic materials 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 229910006295 Si—Mo Inorganic materials 0.000 claims description 3
- 239000011195 cermet Substances 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 3
- 230000001788 irregular Effects 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 15
- 229910010293 ceramic material Inorganic materials 0.000 abstract description 4
- 210000003128 head Anatomy 0.000 description 13
- 238000005516 engineering process Methods 0.000 description 8
- 238000007711 solidification Methods 0.000 description 5
- 230000008023 solidification Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000005242 forging Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000003303 reheating Methods 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910000677 High-carbon steel Inorganic materials 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- -1 casting Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 210000000262 cochlear duct Anatomy 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000010275 isothermal forging Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000011268 mixed slurry Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000010094 polymer processing Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000012056 semi-solid material Substances 0.000 description 1
- 238000010099 solid forming Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 230000009974 thixotropic effect Effects 0.000 description 1
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- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Forging (AREA)
Abstract
A kind of die casting equipment and method for producing refractory metal coating ceramic chip material, including mould groove and to preheating mechanism, mould groove and preheating mechanism are arranged on the side of crucible, gravity head moving up and down is provided with above preheating mechanism, vibrating mechanism and lift cylinders are provided with gravity head, the upper edge of mould groove is provided with a track for stretching out, when die casting works, preheating mechanism removes the preheating position above mould groove along track, gravity head is displaced downwardly to the preheating position to ceramet hydraulic hybrid type casting moulding in the presence of lift cylinders；The metallic cover ceramic material prepared using this kind of device and method, both it had been different from the metallicity of coating ceramic, the performance of ceramics is different from again, both the ductility with metal, electric conductivity, machinability etc., but also with ceramic high rigidity, wearability, high intensity etc..Can be widely applied to type aircraft carrier deck, wear-resisting platform, high intensity platform, wear-resisting firmware etc..
Description
Technical field
The present invention relates to material processing field, particularly relate to a kind of for refractory metal coating ceramic fragment material
The die casting equipment and forming method of material.
Background technology
Traditional metal forming is broadly divided into two classes：One class is the liquid forming of metal, such as casting, liquid forging, liquid
Rolling, continuous casting etc.；Another kind of is the solid molding of metal, such as rolling, drawing, extruding, forging, punching press.In 70 years 20th century
Professor Flemimgs for Massachusetts Institute Technology etc. proposes a kind of new method of metal forming, i.e. semi-solid processing skill
Art.Semisolid Metal Processing is exactly in metal solidification process, violent stirring action to be imposed to it, abundant break down dendritic
Nascent solid phase, obtain equably left floating in a kind of liquid metal mother liquor certain spherical nascent solid phase solid-liquid mixed slurry (Gu
Phase component is generally 50% or so), i.e. rheological slurry, the method for directly forming processing using this rheological slurry is referred to as
The rheological molding (rheoforming) of semi-solid-state metal；If rheological slurry is solidified into ingot, connecing needs to be cut into this ingot
A certain size, then reheats (i.e. the reheating of blank) to the semi-solid temperature area of metal, and ingot at this moment is general
Referred to as semisolid metal blank.Processing is formed using the semi-solid blank of metal, this method is referred to as thixotropic forming
(thixoforming).The above two manufacturing process of semi-solid-state metal is collectively referred to as the semi-solid-state shaping or semi-solid processing of metal
(semi-solid forming or processing of metals), at present in the world, generally by semi-solid processing letter
Referred to as SSM (semi-solid metallurgy).
For metal material, semisolid is the scala media that it changes from liquid to Solid State Transformation or from solid-state to liquid
Section, especially for the interval alloy wide of crystallization temperature, the semisolid stage is more long.Metal material is in liquid, solid-state and semisolid three
The individual stage shows visibly different physical characteristic, using these characteristics, generates solidification processing, plastic working and semisolid
The various metals heat processing and forming methods such as processing.
The good fluidity of processing and utilization liquid metal is solidified, to complete the filling in forming process, feeding until solidification
Terminate.Its development trend be using mechanical pressure substitute gravity stowing so that improve drip molding internal soundness and dimensional accuracy but
From in terms of freezing mechanism angle, solidification processing want to be completely eliminated drip molding internal flaw be it is extremely difficult, it is even impossible
's.
The good plastic fluidity that plastic working is presented at high temperature using solid metallic, to complete the shape in forming process
Become and structural transformation.Compared with processing is solidified, the product quality shaped using plastic working is substantially good, but because solid metallic becomes
Shape drag is high, and required deformation force is big, and equipment is also very huge, therefore to consume mass energy, is generally required for complex parts many
Road forming process could be completed.Therefore, the developing direction of plastic working be reduce power consumption of polymer processing and cost, Reducing distortion resistance,
Improve size of formed part precision and surface and internal soundness.Thus precision die forging, isothermal forging and superplasticity processing etc. is occurred in that
Modern plastic processing method.
Semi-solid processing is to utilize metal to change (i.e. liquid coexists admittedly) mistake from liquid to Solid State Transformation or from solid-state to liquid
The method that the characteristic having in journey is formed.This new forming and machining method combines solidification processing and plastic working
Strong point.I.e. processing temperature is lower than liquid, resistance of deformation is smaller than solid-state, can an aximal deformation value shape complex-shaped and precision
The part higher with performance quality requirements.So, the expert that has of foreign countries is by semi-solid processing referred to as 21 century most promising material
Material forming and machining method.
In recent years, the researcher of China is under the support of the plan such as state natural sciences fund, national " 863 ", " 973 ",
Possesses preferable basis in terms of Semi-solid Processing Technologies for Aluminum Alloys development and application.To aluminium alloy semi-solid processing
Basic key technology, including aspects such as semi-solid material technology of preparing, reheating technology and semisolid pressure casting technologies, possesses
To the technical foundation that industrialization is converted.The unit cooperation such as University of Science ＆ Technology, Beijing and metal institute of the Chinese Academy of Sciences is in state natural sciences fund
Support under carried out ferrous materials semisolid direct forming basic research, it is contour in cast iron, spring steel, stainless steel and high-carbon steel
The aspects such as prepared by the semi-solid blank of melting material, the shaping of semisolid spray to cast and Direct Rolling relatively further investigate, and are taken
Obtained phasic results.Aluminium is closed under national " 863 " plan and the support of institute's science fund Beijing Non-Ferrous Metal Research General Academy
The research and application of golden semi-solid processing above have made great progress, and cooperate by with Dong Feng Auto Corporation, solid using half
State die-casting technique realizes the two kinds of batch productions of auto parts of automobile air compressor connecting rod and air-conditioner turbine in production scene.
But up to the present, the device report also without refractory metal coating ceramic fragment.
The content of the invention
The present invention provides a kind of die casting equipment and method for producing refractory metal coating ceramic chip material, uses this kind
Metallic cover ceramic material prepared by device and method, had both been different from the metallicity of coating ceramic, and different from the property of ceramics
Can, the both ductility with metal, electric conductivity, machinability etc., but also with high rigidity, wearability, high intensity etc. of ceramics.Can
To be widely used in type aircraft carrier deck, wear-resisting platform, high intensity platform, wear-resisting firmware etc..
The technical solution adopted in the present invention is：A kind of die casting dress for producing refractory metal coating ceramic chip material
Put, including heating system and power source, including for holding the mould groove of metal mixed liquid and mould groove being preheated
Preheating mechanism, mould groove and preheating mechanism be arranged on the side of crucible, be provided with above preheating mechanism can on move down
Dynamic gravity head, is provided with vibrating mechanism and lift cylinders on gravity head, and the upper edge of mould groove is provided with one and stretches out
Track, die casting work when, preheating mechanism along track remove mould groove above preheating position, gravity head lifting
The preheating position is displaced downwardly in the presence of cylinder to ceramet hydraulic hybrid type casting moulding.
The mould groove, preheating mechanism and crucible in housing, with formed mould groove, preheating mechanism and
Crucible carries out die casting in nitrogen, inert gas or under conditions of vacuumizing.
The mould groove is the one kind in square, cylindrical or irregular shape.
The preheating mechanism is heated using resistance-type, which is provided with the heating element heater for being heated to mould groove, and
The heating element heater is the one kind in electric furnace heating wire, Elema or Si-Mo rod.
A movable pulley that can be slid in orbit, and preheating mechanism are provided with below the preheating mechanism also by traction
Rope is connected with haulage gear and is acted on by haulage gear and moved back and forth in orbit.
The heating system includes the heating arrangements heated to crucible and is arranged in crucible and for stirring gold
Belong to the agitator of liquid.
A kind of method for producing refractory metal coating ceramic chip material, comprises the following steps：
Before step one, die casting, solid metallic is put into crucible, is heated by heating arrangements, melt solid metallic
Melt into liquid metal, it is standby；
Step 2, preprepared potsherd is added in liquid metal, is stirred by agitator, while
Preheating mechanism is moved to the top of mould groove, mould groove is preheated, by preheating mechanism along rail after the completion of preheating
Road removes preheating position, standby；
In step 3, the cermet mixed liquor that will be melted in step 2 crucible feeding mould groove, natural cooling
To half curdled appearance；
Step 4, startup gravity head, make gravity head be pushed under vibrational state, will the molten metal with potsherd
An entirety is pressed into, metallic cover potsherd material is obtained.
Beneficial effects of the present invention：
1st, metallic cover ceramic material prepared by the present invention, had both been different from the metallicity of coating ceramic, and different from pottery
The performance of porcelain, the both ductility with metal, electric conductivity, machinability etc. are high rigidity, wearability but also with ceramics, high-strength
Degree etc..Can be widely applied to type aircraft carrier deck, wear-resisting platform, high intensity platform, wear-resisting firmware etc..
2nd, high degree of automation of the present invention, simple to operate, even if unskilled persons can also be controlled easily.
3rd, the present invention is provided with gravity head, and reliable self gravitation is floating by metallic cover ceramic material, effectively save production
Cost.
4th, before die casting, gravity head and preheating mechanism are arranged at mould groove top to the present invention, realize high
Space availability ratio.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Marked in figure：1st, vibrating mechanism, 2, lift cylinders, 3, pull rope, 4, mould groove, 5, preheating mechanism, 6, gravity
Pressure head, 7, haulage gear, 8, track, 9, movable pulley, 10, heating element heater, 11, housing, 12, crucible, 13, heating arrangements, 14, stir
Mix device, 15, flowing water mouthful.
Specific embodiment
As illustrated, a kind of die casting equipment for producing refractory metal coating ceramic chip material, including heating system and
Power source, including for holding the mould groove 4 and the preheating mechanism 5 to the preheating of mould groove 4 of metal mixed liquid, shaping
Mold slots 4 and preheating mechanism 5 are arranged on the side of crucible 12, and the mould groove 4 is square, cylindrical or irregular shape
One kind in shape, the preheating mechanism 5 is heated using resistance-type, which is provided with the heating unit for being heated to mould groove 4
Part 10, and the heating element heater 10 is the one kind in electric furnace heating wire, Elema or Si-Mo rod, is provided with and can go up in the top of preheating mechanism 5
The gravity head 6 of lower movement, is provided with vibrating mechanism 1 and lift cylinders 2 on gravity head 6, and the lower section of the preheating mechanism 5 is provided with
One movable pulley 9 that can be slid on track 8, the upper edge of mould groove 4 is provided with a track 8 for stretching out, preheating mechanism 5
Also it is connected with haulage gear 7 and is acted on by haulage gear 7 by pull rope 3 and is moved back and forth on track 8, when die casting works,
Preheating mechanism 5 removes the preheating position of the top of mould groove 4 along track 8, under gravity head 6 is in the presence of the lift cylinders 2
The preheating position is moved to ceramet hydraulic hybrid type casting moulding.
Further, the mould groove 4, preheating mechanism 5 and crucible 12 are enclosed within housing 11, to form mould
Groove 4, preheating mechanism 5 and crucible 12 carry out die casting in nitrogen, inert gas or under conditions of vacuumizing.
Further, the thawing metal part and material diecast section in the present invention can be placed and run in atmosphere.
The heating system includes the heating arrangements 13 heated to crucible 12 and is arranged in crucible 12 and is used for
The agitator 14 of stirring molten metal, edge is additionally provided with the flowing water mouthful 15 conveniently toppled on the crucible 12.
A kind of method for producing refractory metal coating ceramic chip material, it is characterised in that：Comprise the following steps：
Before step one, die casting, solid metallic is put into crucible 12, is heated by heating arrangements 13, make solid-state gold
Category is melt into liquid metal, standby；
Step 2, preprepared potsherd is added in liquid metal, is stirred by agitator 14, together
When preheating mechanism 5 is moved to the top of mould groove 4, mould groove 4 is preheated, by preheating mechanism after the completion of preheating
5 remove preheating position to spare space along track 8, standby；
It is naturally cold in step 3, the cermet mixed liquor that will be melted in step 2 crucible 12 feeding mould groove 4
But to half curdled appearance；
Step 4, startup gravity head 6, make gravity head 6 be pushed under vibrational state, will the metal with potsherd
Hydraulic pressure is obtained metallic cover potsherd material into an entirety.
Claims (7)
1. a kind of die casting equipment for producing refractory metal coating ceramic chip material, including heating system and power source, it is special
Levy and be：Including the mould groove for holding metal mixed liquid（4）With to mould groove（4）The preheating mechanism of preheating
（5）, mould groove（4）And preheating mechanism（5）It is arranged on crucible（12）Side, in preheating mechanism（5）Be provided with can for top
The gravity head for moving up and down（6）, in gravity head（6）It is provided with vibrating mechanism（1）And lift cylinders（2）, mould groove（4）
Upper edge be provided with a track for stretching out（8）, when die casting works, preheating mechanism（5）Along track（8）Remove mould groove
（4）The preheating position of top, gravity head（6）In lift cylinders（2）In the presence of to be displaced downwardly to the preheating position mixed to ceramet
Close hydraulic pressure type casting moulding.
2. a kind of die casting equipment for producing refractory metal coating ceramic chip material as claimed in claim 1, its feature exists
In：The mould groove（4）, preheating mechanism（5）And crucible（12）It is enclosed within housing（11）In, to form mould groove
（4）, preheating mechanism（5）And crucible（12）Die casting is carried out in nitrogen, inert gas or under conditions of vacuumizing.
3. a kind of die casting equipment for producing refractory metal coating ceramic chip material as claimed in claim 1, its feature exists
In：The mould groove（4）It is the one kind in square, cylindrical or irregular shape.
4. a kind of die casting equipment for producing refractory metal coating ceramic chip material as claimed in claim 1, its feature exists
In：The preheating mechanism（5）Heated using resistance-type, which is provided with for mould groove（4）The heating element heater of heating
（10）, and the heating element heater（10）It is the one kind in electric furnace heating wire, Elema or Si-Mo rod.
5. a kind of die casting equipment for producing refractory metal coating ceramic chip material as claimed in claim 1, its feature exists
In：The preheating mechanism（5）Lower section be provided with one can be in track（8）The movable pulley of upper sliding（9）, and preheating mechanism（5）Also
By pull rope（3）It is connected with haulage gear（7）And by haulage gear（7）Act on track（8）On move back and forth.
6. a kind of die casting equipment for producing refractory metal coating ceramic chip material as claimed in claim 1, its feature exists
In：The heating system is included to crucible（12）The heating arrangements for being heated（13）And it is arranged on crucible（12）It is interior and be used for
The agitator of stirring molten metal（14）.
7. it is a kind of to utilize the method for producing refractory metal coating ceramic chip material such as device in claim 6, its feature to exist
In：Comprise the following steps：
Before step one, die casting, solid metallic is put into crucible（12）It is interior, by heating arrangements（13）Heated, made solid-state gold
Category is melt into liquid metal, standby；
Step 2, preprepared potsherd is added in liquid metal, by agitator（14）Stir, while
By preheating mechanism（5）Move to mould groove（4）Top, to mould groove（4）Preheated, will preheating after the completion of preheating
Mechanism（5）Along track（8）Preheating position is removed, it is standby；
Step 3, by step 2 crucible（12）The middle cermet mixed liquor feeding mould groove for having melted（4）In, it is naturally cold
But to half curdled appearance；
Step 4, startup gravity head（6）, make gravity head（6）Pushed under vibrational state, by the metal with potsherd
Hydraulic pressure is obtained metallic cover potsherd material into an entirety.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510383285.6A CN104985159B (en) | 2015-07-03 | 2015-07-03 | A kind of die casting equipment and method for producing refractory metal coating ceramic chip material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510383285.6A CN104985159B (en) | 2015-07-03 | 2015-07-03 | A kind of die casting equipment and method for producing refractory metal coating ceramic chip material |
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| Publication Number | Publication Date |
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| CN104985159A CN104985159A (en) | 2015-10-21 |
| CN104985159B true CN104985159B (en) | 2017-06-13 |
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| CN201510383285.6A Expired - Fee Related CN104985159B (en) | 2015-07-03 | 2015-07-03 | A kind of die casting equipment and method for producing refractory metal coating ceramic chip material |
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| CN107214318A (en) * | 2017-05-22 | 2017-09-29 | 马鞍山市晨光高耐磨科技发展有限公司 | A kind of metal liquid die forging process system |
| CN109334390B (en) * | 2018-11-06 | 2024-02-02 | 海宁托博特种陶瓷制品有限公司 | Die casting or pouring integrated forming device for silicon nitride heating body and aluminum piece |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2605913A1 (en) * | 1986-10-31 | 1988-05-06 | Pechiney Aluminium | METHOD FOR PRESSURIZED MOLDING OF METALLIC PARTS CONTAINING CERAMIC FIBERS |
| CN101229582A (en) * | 2008-02-22 | 2008-07-30 | 昆明理工大学 | Semi-solid rheo-extrusion casting technology and equipment of hypereutectic Al-Si alloy casting |
| CN201587973U (en) * | 2009-12-28 | 2010-09-22 | 北京有色金属研究总院 | Integrated device for preparing copper-based composite material with high thermal conductivity |
| CN102756108B (en) * | 2012-06-27 | 2014-10-15 | 西安交通大学 | Semi-solid extruding and casting molding mould of compressor crankshaft and molding process |
| CN103031463B (en) * | 2013-01-10 | 2014-08-27 | 哈尔滨工业大学 | Device and method for preparing nanometer ceramic particle-reinforced aluminum-based composite |
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