CN109909471A - A kind of online adjustable how metal injection molded system and method for alloying component - Google Patents
A kind of online adjustable how metal injection molded system and method for alloying component Download PDFInfo
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- CN109909471A CN109909471A CN201910230239.0A CN201910230239A CN109909471A CN 109909471 A CN109909471 A CN 109909471A CN 201910230239 A CN201910230239 A CN 201910230239A CN 109909471 A CN109909471 A CN 109909471A
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Abstract
A kind of online adjustable how metal injection molded system and method for alloying component, system includes multiple injection devices, multiple injection devices, transitional module, mixing module and mold, each transition chamber access road is downward from transition chamber to external direction, and the axis of each transition chamber access road and the angle of horizontal plane are β；The axis of the pressure chamber of multiple injection devices is the same diameter of a circle extended line, and the center of circle of the circle is located on the axis of transition chamber；Method are as follows: (1) prepare alloy raw material；(2) crucible preheating and injection device preheating；(3) each liquid reserve tank is poured into alloy raw material thawing；(4) preset temperature of transition chamber and mixing chamber is calculated；(5) it sets each hydraulic injection cylinder stroke (6) and sets fltting speed；(7) mixing chamber electromagnetic agitation；Transition chamber and mixing chamber are heated to preset temperature；(8) start the injection hydraulic cylinder of each injection device, until how metal injection molded completing.Method of the invention improves the stability and uniformity of different time sections alloying component.
Description
Technical field
The invention belongs to metallurgical technology field, in particular to the online adjustable how metal injection molded system of a kind of alloying component
System and method.
Background technique
Metal injection molded technology has can one-pass molding complicated shape metal product, rejection rate be low, high production efficiency, easily
In realizing the advantages that automating, it is widely used in the preparation of small complex shaped metal part；Metal injection molded technology is by original
Material form can be divided into liquid metal injection molding technology, powder metallurgy injection molding technology, semi-solid-state metal injection molding technology.
Wherein, liquid metal is directly injected into mold by liquid metal injection molding technology, at supercooling, demoulding and surface
The processes such as reason obtain final products；The technical matters is simple, low in cost, but product structure property is uneven, bubble is mingled with more, system
Part poor quality；And powder metallurgy injection molding technology is developed on the basis of Plastics Injection Molding Technology and PM technique
And the mixture of viscous state is injected mold using the mixture of metal powder and binder as raw material by a kind of forming technique come,
Final products are obtained through processes such as supercooling, demoulding, abjection binder, sintering and surface treatments；The product product of technology production
It is of fine quality good but raw material preparation difficulty, complex process, with high costs；Semi-solid-state metal injection molding technology is by semi-solid metal slurry
Material is directly injected into mold, obtains final products through processes such as supercooling, demoulding and surface treatments；Technology forming temperature is low for this, fills
The product that type is steady, crystal grain is tiny, product quality is produced compared with liquid metal injection molding technology substantially improves, and raw material preparation is held
Easily, simple process, production cost are substantially reduced compared with powder metallurgy injection molding technology.
Semi-solid-state metal injection (mo(u)lding) machine obtains more and more extensively because it can be produced at low cost high-quality metallic article
Application；But the raw material of existing semi-solid-state metal injection (mo(u)lding) machine is both needed to be blended in advance, and alloying component is fixed, and cannot achieve conjunction
The on-line control of golden ingredient and can only one alloying component metallic article of production list；In the product of switching production different-alloy ingredient
When, it need to match again and be blended semi solid slurry, cleaning pressure chamber etc., thus will lead to waste material increase end to end, efficiency reduction, yield rate
It reduces.
Summary of the invention
In view of the above-mentioned problems existing in the prior art, the present invention provides a kind of online adjustable more metal injections of alloying component
Formation system and method realize the online adjustable of alloying component by the control to different injection device injection speeds, simplify
It the switching time of different-alloy ingredient product preparation, improves efficiency and yield rate.
The online adjustable how metal injection molded system of alloying component of the invention is made of mechanical part and control section,
Wherein mechanical part includes multiple injection devices, multiple injection devices, transitional module, mixing module and mold, control section by
Main control computer and the station composition for being equipped with PLC；Mold, mixing module and the transitional module is located at solid plate simultaneously
It is interior and arrange from top to bottom；Transitional module is equipped with multiple transition chamber access roades and is connected to transition chamber with the external of transitional module；
Each transition chamber access road is downward from transition chamber to external direction, and the folder of the axis of each transition chamber access road and horizontal plane
Angle is β；The injection device includes pressure chamber, injection punch head and injection hydraulic cylinder, and pressure chamber passes through solid plate and transition chamber inlet
Channel connection, pressure chamber is downward from transition chamber access road to external direction, and the axis of pressure chamber and the angle of horizontal plane are α,
Injection punch head is located inside pressure chamber, and injection punch head is assembled together with injection hydraulic cylinder；The top of injection punch head is equipped with pressure chamber
Feed inlet, pressure chamber is connected to by pressure chamber feed inlet with outside, and is equipped with gooseneck conduit connector sleeve,；Pressure chamber is coated with pressure chamber guarantor
Warm device, the interior pressure chamber heat preservation resistance wire that is equipped with of pressure chamber attemperator are equipped with injection temperature element for heating；Multiple injection dresses
The axis for the pressure chamber set is the same diameter of a circle extended line, and the center of circle of the circle is located on the axis of transition chamber；The note
Injection device is made of gooseneck conduit device, injection hydraulic device and liquid reserve tank；Gooseneck conduit device is led by gooseneck conduit and gooseneck
Pipe attemperator is wherein cased with gooseneck conduit attemperator, wherein gooseneck conduit attemperator outside the outlet end of gooseneck conduit
Inside is equipped with injection heat preservation resistance wire and is used for heating and thermal insulation；Gooseneck conduit connector sleeve feeds the outlet end of gooseneck conduit and pressure chamber
Mouth is fixed together, and is connected to the discharge port of gooseneck conduit with pressure chamber feed inlet；The input end of gooseneck conduit is equipped with note
Penetrate hydraulic device, gooseneck conduit is equipped with gooseneck conduit feed inlet, and gooseneck conduit feed inlet is by gooseneck catheter interior and liquid reserve tank
Crucible inside connection；The hydraulic injection cylinder and injection formed punch for injecting hydraulic device are assembled together, wherein injection formed punch is located at
The top of gooseneck conduit feed inlet in gooseneck conduit；The crucible external mounting of liquid reserve tank has holding furnace, is equipped with heat preservation in holding furnace
For heating, crucible temperature element is inserted into inside crucible furnace resistance wire, and protection airway is additionally provided on crucible for being passed through protection
Gas.
In above system, the bottom end of gooseneck conduit is located at the bottom in crucible, and the outlet end of gooseneck conduit is located at outside crucible
Portion, hydraulic injection cylinder are located at outside crucible, and injection formed punch is located inside crucible.
In above system, the top of the transition chamber of transitional module is connected to the mixing chamber bottom of mixing module, mixing module
Mixing chamber at the top of be connected to mould inside space.
Transition resistance silk is equipped in above system, in transitional module to be looped around outside transition chamber, is also equipped in transitional module
Transitional module temperature element；Transition chamber is made of the cylindrical portion on top and the back taper body portion of lower part, and wherein transition chamber enters
Mouth channel is located at the top of vertebral body part.
Hybrid resistor silk is equipped in above system, in mixing module to be looped around outside mixing chamber, and electromagnetism is equipped in mixing module
Induction coil is looped around mixing outdoor use in electromagnetic agitation；Mixing module temperature element is additionally provided in mixing module；Mixing chamber by
The cylindrical portion of top and the rotary table body portion composition of lower section, the cross-sectional area of cylindrical portion are equal to round estrade portion top surface
Area.
Mold resistance wire, which is equipped with, in above system, in mold is looped around mould inside spatial peripheral.
It is equipped with injection servo valve on above-mentioned injection hydraulic cylinder, injection servo valve is equipped on hydraulic injection cylinder；Injection
Servo valve and the control terminal for injecting servo valve are assembled together with station；Inject temperature element, injection temperature element, stage die
The signal output end of block temperature element and mixing module temperature element is assembled together with station；Injection heat preservation resistance wire, pressure
The signal output end that room keeps the temperature resistance wire, holding furnace resistance wire, transition resistance silk, hybrid resistor silk and mold resistance wire passes through number
It is connect according to line with station, station is together with computer assemblies.
Above-mentioned β=20 °~30 °.
Above-mentioned α=β.
The online adjustable more metal injection mouldings of alloying component of the invention are to use above system, including walk as follows
It is rapid:
1, prepare alloy raw material；When alloy raw material is N kind, select transition chamber access road quantity for the transitional module of N；
Each transition chamber access road connects an injection device, and each injection device assembles an injection device；
2, the corresponding injection device of each alloy raw material and injection device are preset, it respectively will be in the liquid reserve tank of injection device
Crucible preheating, preheating temperature is higher than 10~30 DEG C of fusing point of corresponding alloy raw material, while being assemblied in one with the injection device
The pressure chamber of the injection device risen is also heated separately to mutually synthermal；
3, each alloy raw material is separately heated to melt as liquid alloy raw material, then pours into corresponding injection device respectively
Liquid reserve tank in；
4, the preset temperature of transition chamber and mixing chamber is calculated；The melting temperature of each alloy raw material is determined first, if each alloy
Raw material is followed successively by M by the sequence of fusing point from high to low0、M1、M2……Mn-1、Mn, work as M0Quality to meet or exceed whole alloys former
When expecting the 50% of gross mass, with M0Alloy raw material fusing point as preset temperature；Work as M0Quality it is total all or less than alloy raw material
Quality 50% when, by M1、M2……Mn-1Sequence one by one by the Mass Calculation of each alloy raw material to M0In, until gross mass reaches
It arrives or more than the 50% of whole alloy raw material gross masses, then to calculate the minimum conjunction of melting temperature into each alloy raw material therein
The fusing point of golden raw material is as preset temperature；As the alloy raw material M that melting temperature is minimumnQuality to meet or exceed whole alloys former
When expecting the 50% of gross mass, the fusing point of the alloy raw material minimum using melting temperature is higher by 10~20 DEG C as preset temperature；
5, each hydraulic injection cylinder stroke is set, when control injection device carries out one injection, the liquid for being transported to pressure chamber is closed
Golden raw material is just full of pressure chamber；Start the hydraulic injection cylinder of each injection device, it is respectively that the liquid alloy in each injection device is former
Material is injected into each pressure chamber；
6, setting the injection hydraulic cylinder fltting speed of each hydraulic device is respectively V1、V2、V3...Vn, and respectively meet as follows
Formula:
In formula, V is injection hydraulic cylinder fltting speed in the hydraulic device, unit m/s；ρ is the liquid in the hydraulic device
Density of the state alloy raw material under curdled appearance, unit kg/m3；C is that the liquid alloy raw material in the hydraulic device accounts for whole
The mass fraction of alloy raw material, unit %；
7, electromagnetic agitation is applied to the mixing chamber in mixing module by electromagnetic mixing apparatus；Transition chamber and mixing chamber are added
Heat is to preset temperature；
8, the injection hydraulic cylinder for starting each injection device simultaneously, by the fltting speed V of setting1、V2、V3...VnIt respectively will be each
Indoor liquid alloy raw material indentation transition chamber is pressed, and forms semi solid slurry under function composite by electromagnetic stirring via mixing chamber, then
Into in mold, how metal injection molded complete.
In the above method, when it is previous it is how metal injection molded after the completion of, carry out next different shape heterogeneity
When mostly metal injection molded, through die sinking, demoulding and cleaning mold, then more mold exchange removes transition chamber side by side and mixes indoor residual
Remaining metal, and preset temperature is reset according to the melting temperature and mass percent of each alloy raw material in a manner described, according to
The curdled appearance density and mass percent of each alloying component reset fltting speed in a manner described, then re-start more
It is metal injection molded.
In the above method, the total measurement (volume) of each pressure chamber is equal to the total measurement (volume) of transition chamber, mixing chamber and mould inside space；Each pressure
Each indoor liquid alloy raw material of pressure is all extruded pressure chamber by the injection punch head of injection device；The cross-sectional area of each pressure chamber it is total with it is mixed
The base area for closing rotary table body portion in room is identical.
In the above method, man-machine interface is arranged in the main control computer of control section, and each injection is equipped in man-machine interface and is filled
It sets and is switched with each injection device, be equipped with hydraulic injection cylinder stroke input and output domain, be equipped with each liquid reserve tank temperature and set input and output
Domain is equipped with each pressure chamber temperature and sets input and output domain, be equipped with each injection hydraulic cylinder fltting speed input and output domain, is equipped with transition chamber
Temperature sets input and output domain, is equipped with mixing chamber temperature and sets input and output domain；The main control computer passes through PLC and station
It is transferred on together, equipped with injection starts switch, injection starts switch, electromagnetic agitation starts switch, each liquid reserve tank on station
Temperature setting executes switch, the setting of each pressure chamber temperature executes switch, the setting of transition room temperature executes switch and mixing chamber temperature is set
Switch is executed calmly.
Beneficial effects of the present invention:
1, compared with conventional metals injection (mo(u)lding) machine, the process for specially preparing semi solid slurry is eliminated, is substantially increased
Production efficiency；It can guarantee semisolid by setting the preset temperature of transition chamber and mixing chamber according to the fusing point of each alloy raw material
The solid liquid phase ratio of slurry is close to 1: 1；The selection of mixing chamber desired temperature ensure that the solid-to-liquid ratio of semi solid slurry close to 1: 1,
It improves and fills type stability, improve parts quality；
2, by the control to different injection device injection speeds, the online adjustable of alloying component is realized, and adjusts letter
It is single convenient, enormously simplify the switching time of different-alloy ingredient product preparation, reduce end to end waste material, improve efficiency and at
Product rate；
3, each injection device is distributed on the same circular arc, mixing chamber was distributed in the circular arc center of circle and perpendicular to the straight of circular arc
All transition chamber shapes are identical and identical as mixing chamber angle on line, in same transitional module, this makes each raw metal from pressure
Room, which flow to mixing chamber, have passed through isometric path, improve the stability and uniformity of different time sections alloying component；
4, pressure chamber quantity is more than mixing chamber, in the case where pressure chamber cross-sectional area is greater than mixing chamber cross-sectional area, mixing chamber
The flow velocity of middle semi solid slurry, which is greater than, presses indoor flow velocity, increases turbulent flow, substantially increases the uniformity of alloying component.
Detailed description of the invention
Fig. 1 is the online adjustable how metal injection molded system structure diagram of alloying component of the invention；
Fig. 2 is the mechanical part structural schematic diagram in the embodiment of the present invention；
Fig. 3 is the injection device structural schematic diagram in the embodiment of the present invention；
Fig. 4 is multiple injection device arrangement architecture schematic diagrames in the embodiment of the present invention 1；
Fig. 5 is the injection device side elevational cross-section structural schematic diagram in Fig. 4；
Fig. 6 is the transitional module the schematic diagram of the section structure in the embodiment of the present invention；
Fig. 7 is the top view cross section structural schematic diagram of Fig. 6；
Fig. 8 is the mixing module the schematic diagram of the section structure in the embodiment of the present invention；
In figure, 1, mechanical part, 2, main control computer, 3, be equipped with the station of PLC, 4, solid plate, 5, mold, 6, mixed
Mold block, 7, transitional module, 8, injection device, 9, injection device, 10, injection servo valve, 11, hydraulic injection cylinder, 12, crucible survey
Warm element, 13, holding furnace, 14, crucible, 15, gooseneck conduit attemperator, 16, protection airway, 17, gooseneck conduit, 18, note
Penetrate heat preservation resistance wire, 19, pressure chamber, 20, injection punch head, 21, injection hydraulic cylinder, 22, injection servo valve, 23, injection temperature element,
24, pressure chamber attemperator, 25, pressure chamber heat preservation resistance wire, 26, gooseneck conduit connector sleeve, 27, pressure chamber feed inlet, 28, transition resistance
Silk, 29, transition chamber, 30, transition chamber access road, 31, transitional module temperature element, 32, hybrid resistor silk, 33, electromagnetic induction
Coil, 34, mixing chamber, 35, mixing module temperature element, 36, injection formed punch, 37, gooseneck conduit feed inlet.
Specific embodiment
The alloy raw material used in the embodiment of the present invention is commercially available industrial products.
Frequency when carrying out electromagnetic agitation in the embodiment of the present invention is 10~50Hz.
The material of transitional module, mixing module and mold is steel in the embodiment of the present invention.
The scope of patent protection that scheme in embodiment is not intended to limit the invention, it is all without departing from carried out by the present invention etc.
Effect implements or change, is both contained in the scope of the invention.
Embodiment 1
The online adjustable how metal injection molded system structure of alloying component is as shown in Figure 1, by mechanical part and control unit
It is grouped as；
Mechanical part structure is as shown in Fig. 2, include multiple injection devices 8, multiple injection devices 9, transitional module 7, mixing
Module 6 and mold 5；
Control section is made of main control computer with the station for being equipped with PLC；
Mold 5, mixing module 6 and transitional module 7 are located in solid plate 4 simultaneously and arrange from top to bottom；
7 structure of transitional module is as shown in Figures 6 and 7；Equipped with multiple transition chamber access roades 30 by transition chamber 29 and stage die
The external connection of block 7；Each transition chamber access road 30 is downward from transition chamber 7 to external direction, and each transition chamber access road
30 axis and the angle of horizontal plane are β；
Injection device structure is as shown in figure 5, include pressure chamber 19, injection punch head 20 and injection hydraulic cylinder 21, pressure chamber 19 passes through
Solid plate 4 is connected to transition chamber access road 30, and pressure chamber 19 is downward from transition chamber access road 30 to external direction, and pressure chamber
19 axis and the angle of horizontal plane are α, and injection punch head 20 is located inside pressure chamber 19, and injection punch head 20 and injection hydraulic cylinder 21
It is assembled together；The top of injection punch head 20 is equipped with pressure chamber feed inlet 27, and pressure chamber feed inlet 27 is by the goose of 20 injection device 8 of pressure chamber
Neck conduit 17 is connected to, and is equipped with gooseneck conduit connector sleeve 26；Pressure chamber 19 is coated with pressure chamber attemperator 24；Pressure chamber heat preservation dress
It sets and is equipped with pressure chamber heat preservation resistance wire 25 in 24 for heating, and be equipped with injection temperature element 23；
The axis of the pressure chamber 19 of multiple injection devices 9 is the same diameter of a circle extended line, and the center of circle of the circle was located at
It crosses on the axis of room 29；Arrangement mode is as shown in Figure 4；
8 structure of injection device gooseneck conduit device, injection hydraulic device and liquid reserve tank as shown in figure 3, be made of；
Gooseneck conduit device is made of gooseneck conduit 17 and gooseneck conduit attemperator 15, wherein the outlet of gooseneck conduit 17
End is external to be cased with gooseneck conduit attemperator 15, and injection heat preservation resistance wire 18 is wherein equipped with inside gooseneck conduit attemperator 15 and is used
In heating and thermal insulation, and it is equipped with injection temperature element 12；
The outlet end of gooseneck conduit 17 and pressure chamber feed inlet 27 are fixed together by gooseneck conduit connector sleeve 26, make goose
The discharge port of neck conduit 17 is connected to pressure chamber feed inlet 27；
The input end of gooseneck conduit 17 is equipped with injection hydraulic device, and gooseneck conduit 17 is equipped with gooseneck conduit feed inlet
37, gooseneck conduit feed inlet 37 will be connected to inside gooseneck catheter interior and the crucible 14 of liquid reserve tank；
The hydraulic injection cylinder 11 and injection formed punch 36 for injecting hydraulic device are assembled together, wherein injection formed punch 36 is located at goose
The top of gooseneck conduit feed inlet 37 in neck conduit 17；14 external mounting of crucible of liquid reserve tank has a holding furnace 13, in holding furnace 13
Equipped with holding furnace resistance wire for heating, crucible temperature element 12 is inserted into inside crucible 14, and protection conductance is additionally provided on crucible 14
Pipe 16 is for being passed through protection gas；
The bottom end of gooseneck conduit 17 is located at the bottom in crucible 14, and the outlet end of gooseneck conduit 17 is located at outside crucible 14,
Hydraulic injection cylinder 11 is located at outside crucible 14, and injection formed punch 36 is located inside crucible 14；
The top of the transition chamber 29 of transitional module 7 is connected to 34 bottom of mixing chamber of mixing module 6, and mixing module 6 mixes
34 top of room is closed to be connected to 5 inner space of mold；
It is equipped with transition resistance silk 28 in transitional module 7 to be looped around outside transition chamber 29, is also equipped with stage die in transitional module 7
Block temperature element 31；Transition chamber 29 is made of the cylindrical portion on top and the back taper body portion of lower part, wherein transition chamber inlet
Channel 30 is located at the top of vertebral body part；
6 structure of mixing module is as shown in figure 8, the internal hybrid resistor silk 32 that is equipped with is looped around outside mixing chamber 34, mixing module 6
The interior electromagnetic induction coil 33 that is equipped with is looped around outside mixing chamber 34 for electromagnetic agitation；Mixing module survey is additionally provided in mixing module 6
Warm element 35；Mixing chamber 34 is made of the cylindrical portion of top and the rotary table body portion of lower section, the cross section of cylindrical portion
Product is equal to the area of round estrade portion top surface；
It is equipped with mold resistance wire in mold 5 and is looped around mould inside spatial peripheral；
It is equipped with injection servo valve 22 on injection hydraulic cylinder 21, injection servo valve 10 is equipped on hydraulic injection cylinder 11；Pressure
The control terminal for penetrating servo valve 22 and injection servo valve 10 is assembled together with the station 3 for being equipped with PLC；
Crucible temperature element 12, injection temperature element 23, transitional module temperature element 31 and mixing module temperature element 35
Signal output end be assembled together with the station 3 for being equipped with PLC；
Injection heat preservation resistance wire 18, pressure chamber keep the temperature resistance wire 25, holding furnace resistance wire, transition resistance silk 28, hybrid resistor
The signal output end of silk 32 and mold resistance wire is connect by data line with the station 3 for being equipped with PLC, and the behaviour of PLC is equipped with
Make platform 3 together with computer assemblies；
β=25 °；α=β；
Method are as follows:
Prepare three kinds of alloy raw materials, respectively commercial-purity aluminium, alloy ZL101A and alloy Y 113, fusing point are respectively 660
DEG C, 613 DEG C and 577 DEG C；According to the ingredient of subject alloy ADC10 alloy-steel casting, the mass percent difference of three kinds of alloy raw materials
It is 20%, 35% and 45%；
Alloy raw material is three kinds, and transition chamber access road quantity is 3；Each transition chamber access road connects an injection dress
It sets, each injection device assembles an injection device；
The corresponding injection device of each alloy raw material and injection device are preset, it respectively will be in the liquid reserve tank of injection device
Crucible preheating, preheating temperature is higher than 10~30 DEG C of fusing point of corresponding alloy raw material, while being assembled together with the injection device
Injection device pressure chamber be also heated separately to it is mutually synthermal；
Each alloy raw material is separately heated to melt as liquid alloy raw material, then pours into corresponding injection device respectively
In liquid reserve tank；
Calculate the preset temperature of transition chamber and mixing chamber；Commercial-purity aluminium is M0, alloy ZL101A is M1, M0+M1More than whole
The 50% of alloy raw material gross mass, with M1613 DEG C of melting temperature of alloy ZL101A are used as preset temperature；
It sets each hydraulic injection cylinder stroke and is transported to the liquid alloy of pressure chamber when control injection device carries out one injection
Raw material is just full of pressure chamber；Start the hydraulic injection cylinder of each injection device, respectively by the liquid alloy raw material in each injection device
It is injected into each pressure chamber；
The injection hydraulic cylinder fltting speed for setting each hydraulic device is respectively V1、V2、V3, according to formula (1), commercial-purity aluminium,
The fltting speed of alloy ZL101A and alloy Y 113 is respectively 1m/s, 1.75m/s and 2.25m/s；
Electromagnetic agitation is applied to the mixing chamber in mixing module by electromagnetic mixing apparatus；Transition chamber and mixing chamber are heated
To preset temperature；
The injection hydraulic cylinder for starting each injection device simultaneously, by the fltting speed V of setting1、V2、V3It respectively will be in each pressure chamber
Liquid alloy raw material be pressed into transition chamber, and form semi solid slurry under function composite by electromagnetic stirring via mixing chamber, enter back into mould
In tool, how metal injection molded complete；
The total measurement (volume) of each pressure chamber is equal to the total measurement (volume) of transition chamber, mixing chamber and mould inside space；The pressure of each injection device
It penetrates formed punch and each indoor liquid alloy raw material of pressure is all extruded into pressure chamber；Rotary table in the total and mixing chamber of the cross-sectional area of each pressure chamber
The base area of body portion is identical；
Man-machine interface is arranged in the main control computer of control section, and each injection device is equipped in man-machine interface and each injection fills
Switch is set, hydraulic injection cylinder stroke input and output domain is equipped with, each liquid reserve tank temperature is equipped with and sets input and output domain, be equipped with each pressure chamber
Temperature sets input and output domain, is equipped with each injection hydraulic cylinder fltting speed input and output domain, is equipped with the setting input of transition room temperature
Domain output is equipped with mixing chamber temperature and sets input and output domain；The main control computer is transferred on together by PLC and station,
Equipped with injection starts switch, injection starts switch, electromagnetic agitation starts switch, the setting of each liquid reserve tank temperature executes on station
Switch, the setting of each pressure chamber temperature execute switch, the setting of transition room temperature executes switch and the setting of mixing chamber temperature executes switch；
The work of control section the following steps are included:
Start the switch of 3 injection devices and injection device in the man-machine interface of main control computer；
The liquid reserve tank temperature and pressure chamber temperature that commercial-purity aluminium is set in the man-machine interface of main control computer are closed as 670 DEG C
The liquid reserve tank temperature and pressure chamber temperature of golden ZL101A is 630 DEG C, and the liquid reserve tank temperature and pressure chamber temperature of alloy Y 113 are 590 DEG C,
And on start-up operation platform liquid reserve tank temperature setting execute switch and pressure chamber temperature setting executes switch, to mutually keep the temperature resistance furnace with
Pressure chamber is heated, and three alloys after melting are injected separately into corresponding liquid reserve tank after temperature reaches assigned temperature；
The temperature setting of transition chamber and mixing chamber on start-up operation platform executes switch, to guarantee the solid-liquid of semi solid slurry
Than close to 1: 1；
The stroke of hydraulic injection cylinder is set in the man-machine interface of main control computer 2, control stroke value to inject hydraulic
Cylinder can one injection liquid material amount be just full of pressure chamber 19；
In the man-machine interface of main control computer, fltting speed is distinguished to injection hydraulic cylinder fltting speed input and output domain；
Start injection on station to start switch, liquid metal raw material was pressed by each injection hydraulic cylinder with setting speed
The semi solid slurry formed close to Y112 alloying component is crossed in room and mixing chamber, and further completes to fill type in mold 5；
Embodiment 2
Using the device of embodiment 1, more mold exchange removes transition chamber side by side and mixes indoor residual metal, and according to each conjunction
The melting temperature and mass percent of golden raw material reset preset temperature in a manner described, according to the solidification shape of each alloying component
The density of states and mass percent reset fltting speed in a manner described, how metal injection molded then re-start；
With embodiment 1, difference is method:
(1) according to the ingredient of subject alloy ZL105 alloy-steel casting, the mass percent of three kinds of alloy raw materials is respectively
55%, 15% and 35%；
(2) commercial-purity aluminium is M0, more than the 50% of whole alloy raw material gross masses, with M0The melting temperature 660 of commercial-purity aluminium
DEG C be used as preset temperature；
(3) fltting speed of commercial-purity aluminium, alloy ZL101A and alloy Y 113 be respectively 2.75m/s, 0.75m/s and
1.5m/s。
The scope of patent protection that scheme in embodiment is not intended to limit the invention, it is all without departing from carried out by the present invention etc.
Effect implements or change, is both contained in the scope of the patents of this case.
Claims (10)
1. a kind of online adjustable how metal injection molded system of alloying component, is made of mechanical part and control section, wherein
Mechanical part includes multiple injection devices, multiple injection devices, transitional module, mixing module and mold, and control section is by master control
Computer and the station composition for being equipped with PLC；Mold, mixing module and the transitional module is located in solid plate simultaneously simultaneously
It arranges from top to bottom；It is characterized by: transitional module is equipped with multiple transition chamber access roades for the outer of transition chamber and transitional module
Portion's connection；Each transition chamber access road is downward from transition chamber to external direction, and the axis and water of each transition chamber access road
The angle of plane is β；The injection device includes pressure chamber, injection punch head and injection hydraulic cylinder, and pressure chamber passes through solid plate and mistake
The connection of chamber inlet channel is crossed, pressure chamber is downward from transition chamber access road to external direction, and the axis of pressure chamber and horizontal plane
Angle is α, and injection punch head is located inside pressure chamber, and injection punch head is assembled together with injection hydraulic cylinder；The top of injection punch head
Equipped with pressure chamber feed inlet, pressure chamber is connected to by pressure chamber feed inlet with outside, and is equipped with gooseneck conduit connector sleeve,；Pressure chamber outer cladding
There is pressure chamber attemperator, pressure chamber heat preservation resistance wire is equipped in pressure chamber attemperator for heating, and be equipped with injection temperature element；It is more
The axis of the pressure chamber of a injection device is the same diameter of a circle extended line, and the center of circle of the circle is located on the axis of transition chamber；
The injection device is made of gooseneck conduit device, injection hydraulic device and liquid reserve tank；Gooseneck conduit device is by gooseneck conduit
With gooseneck conduit attemperator, gooseneck conduit attemperator is wherein cased with outside the outlet end of gooseneck conduit, wherein gooseneck conduit
It is equipped with injection heat preservation resistance wire inside attemperator and is used for heating and thermal insulation；Gooseneck conduit connector sleeve by the outlet end of gooseneck conduit with
Pressure chamber feed inlet is fixed together, and is connected to the discharge port of gooseneck conduit with pressure chamber feed inlet；The input end of gooseneck conduit
It is equipped with injection hydraulic device, gooseneck conduit is equipped with gooseneck conduit feed inlet, and gooseneck conduit feed inlet is by gooseneck catheter interior
It is connected to inside the crucible of liquid reserve tank；The hydraulic injection cylinder and injection formed punch for injecting hydraulic device are assembled together, wherein injecting
Formed punch is located at the top of gooseneck conduit feed inlet in gooseneck conduit；The crucible external mounting of liquid reserve tank has a holding furnace, in holding furnace
Equipped with holding furnace resistance wire for heating, crucible temperature element is inserted into inside crucible, and protection airway is additionally provided on crucible and is used for
It is passed through protection gas.
2. a kind of online adjustable how metal injection molded system of alloying component according to claim 1, it is characterised in that
The bottom end of the gooseneck conduit is located at the bottom in crucible, and the outlet end of gooseneck conduit is located at outside crucible, hydraulic injection cylinder
Outside crucible, injection formed punch is located inside crucible.
3. a kind of online adjustable how metal injection molded system of alloying component according to claim 1, it is characterised in that
The top of the transition chamber of the transitional module is connected to the mixing chamber bottom of mixing module, at the top of the mixing chamber of mixing module with
The connection of mould inside space.
4. a kind of online adjustable how metal injection molded system of alloying component according to claim 1, it is characterised in that
It is equipped with transition resistance silk in the transitional module to be looped around outside transition chamber, transitional module thermometric member is also equipped in transitional module
Part；Transition chamber is made of the cylindrical portion on top and the back taper body portion of lower part, and wherein transition chamber access road is located to fall vertebra
The top of body portion.
5. a kind of online adjustable how metal injection molded system of alloying component according to claim 1, it is characterised in that
It is equipped with hybrid resistor silk in the mixing module to be looped around outside mixing chamber, is looped around in mixing module equipped with electromagnetic induction coil
Outdoor use is mixed in electromagnetic agitation；Mixing module temperature element is additionally provided in mixing module；Mixing chamber by top cylindrical body portion
Divide and the rotary table body portion of lower section forms, the cross-sectional area of cylindrical portion is equal to the area of round estrade portion top surface.
6. a kind of online adjustable how metal injection molded system of alloying component according to claim 1, it is characterised in that
It is equipped with injection servo valve on the injection hydraulic cylinder, injection servo valve is equipped on hydraulic injection cylinder；Injection servo valve and
The control terminal of injection servo valve is assembled together with station；Inject temperature element, injection temperature element, transitional module thermometric member
The signal output end of part and mixing module temperature element is assembled together with station；Injection heat preservation resistance wire, pressure chamber heat preservation electricity
The signal output end for hindering silk, holding furnace resistance wire, transition resistance silk, hybrid resistor silk and mold resistance wire passes through data line and behaviour
Make platform connection, station is together with computer assemblies.
7. a kind of online adjustable how metal injection molded system of alloying component according to claim 1, it is characterised in that
β=20 °~30 °；α=β.
8. a kind of online adjustable more metal injection mouldings of alloying component, it is characterised in that using described in claim 1
System includes the following steps:
(1) prepare alloy raw material；When alloy raw material is N kind, select transition chamber access road quantity for the transitional module of N；Often
A transition chamber access road connects an injection device, and each injection device assembles an injection device；
(2) the corresponding injection device of each alloy raw material and injection device are preset, it respectively will be in the liquid reserve tank of injection device
Crucible preheating, preheating temperature is higher than 10~30 DEG C of fusing point of corresponding alloy raw material, while being assembled together with the injection device
Injection device pressure chamber be also heated separately to it is mutually synthermal；
(3) each alloy raw material is separately heated to melt as liquid alloy raw material, then pours into corresponding injection device respectively
In liquid reserve tank；
(4) preset temperature of transition chamber and mixing chamber is calculated；The melting temperature of each alloy raw material is determined first, if each alloy raw material
M is followed successively by by the sequence of fusing point from high to low0、M1、M2……Mn-1、Mn, work as M0Quality to meet or exceed whole alloy raw materials total
Quality 50% when, with M0Alloy raw material fusing point as preset temperature；Work as M0Quality all or less than alloy raw material gross mass
50% when, by M1、M2……Mn-1Sequence one by one by the Mass Calculation of each alloy raw material to M0In, until gross mass reach or
It is former more than the 50% of whole alloy raw material gross masses, then to calculate the alloy that melting temperature is minimum into each alloy raw material therein
The fusing point of material is as preset temperature；As the alloy raw material M that melting temperature is minimumnQuality to meet or exceed whole alloy raw materials total
Quality 50% when, the fusing point of the alloy raw material minimum using melting temperature is higher by 10~20 DEG C as preset temperature；
(5) each hydraulic injection cylinder stroke is set, when control injection device carries out one injection, the liquid alloy for being transported to pressure chamber is former
Material is just full of pressure chamber；Start the hydraulic injection cylinder of each injection device, respectively infuses the liquid alloy raw material in each injection device
Inject each pressure chamber；
(6) setting the injection hydraulic cylinder fltting speed of each hydraulic device is respectively V1、V2、V3...Vn, and respectively meet following public
Formula:
In formula, V is injection hydraulic cylinder fltting speed in the hydraulic device, unit m/s；ρ is that the liquid in the hydraulic device is closed
Density of the golden raw material under curdled appearance, unit kg/m3；C is that the liquid alloy raw material in the hydraulic device accounts for whole alloys
The mass fraction of raw material, unit %；
(7) electromagnetic agitation is applied to the mixing chamber in mixing module by electromagnetic mixing apparatus；Transition chamber and mixing chamber are heated
To preset temperature；
(8) injection hydraulic cylinder for starting each injection device simultaneously, by the fltting speed V of setting1、V2、V3...VnRespectively by each pressure chamber
Interior liquid alloy raw material is pressed into transition chamber, and forms semi solid slurry under function composite by electromagnetic stirring via mixing chamber, enters back into
In mold, how metal injection molded complete.
9. a kind of online adjustable more metal injection mouldings of alloying component according to claim 8, it is characterised in that
The total measurement (volume) of each pressure chamber is equal to the total measurement (volume) of transition chamber, mixing chamber and mould inside space；The injection punch head of each injection device will
Indoor liquid alloy raw material is respectively pressed all to extrude pressure chamber；Rotary table body portion in the total and mixing chamber of the cross-sectional area of each pressure chamber
Base area is identical.
10. a kind of online adjustable more metal injection mouldings of alloying component according to claim 8, it is characterised in that
Man-machine interface is arranged in the main control computer of control section, and each injection device is equipped in man-machine interface and each injection device switchs,
Equipped with hydraulic injection cylinder stroke input and output domain, it is equipped with each liquid reserve tank temperature and sets input and output domain, set equipped with each pressure chamber temperature
Determine input and output domain, be equipped with each injection hydraulic cylinder fltting speed input and output domain, is equipped with transition room temperature and sets input and output domain,
Input and output domain is set equipped with mixing chamber temperature；The main control computer is transferred on together by PLC and station, in station
Equipped with injection starts switch, injection starts switch, electromagnetic agitation starts switch, the setting of each liquid reserve tank temperature executes switch, each
The setting of pressure chamber temperature executes switch, the setting of transition room temperature executes switch and the setting of mixing chamber temperature executes switch.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112427616A (en) * | 2020-10-20 | 2021-03-02 | 深圳领威科技有限公司 | Die casting machine and die casting method |
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| CN108262455A (en) * | 2016-12-30 | 2018-07-10 | 沈阳铸造研究所 | A kind of integrated reho-forming method for manufacturing high-quality semi-solid light alloy casting |
| WO2018178815A1 (en) * | 2017-03-27 | 2018-10-04 | Flavio Mancini | Apparatus for the hot-chamber die casting of non-ferrous alloys |
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| JPS555139A (en) * | 1978-06-24 | 1980-01-16 | Toshiba Mach Co Ltd | Injection pump device for molten metal |
| US6296044B1 (en) * | 1998-06-24 | 2001-10-02 | Schlumberger Technology Corporation | Injection molding |
| US20080176094A1 (en) * | 2007-01-23 | 2008-07-24 | Husky Injection Molding Systems Ltd. | Metal Molding System |
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| CN108262455A (en) * | 2016-12-30 | 2018-07-10 | 沈阳铸造研究所 | A kind of integrated reho-forming method for manufacturing high-quality semi-solid light alloy casting |
| WO2018178815A1 (en) * | 2017-03-27 | 2018-10-04 | Flavio Mancini | Apparatus for the hot-chamber die casting of non-ferrous alloys |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112427616A (en) * | 2020-10-20 | 2021-03-02 | 深圳领威科技有限公司 | Die casting machine and die casting method |
| US11440088B2 (en) | 2020-10-20 | 2022-09-13 | Shenzhen Leadwell Technology Co., Ltd. | Die casting machine and die casting method |
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| CN109909471B (en) | 2020-09-01 |
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