CN104550828B - Apparatus of metal molding - Google Patents

Apparatus of metal molding Download PDF

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Publication number
CN104550828B
CN104550828B CN201310505189.5A CN201310505189A CN104550828B CN 104550828 B CN104550828 B CN 104550828B CN 201310505189 A CN201310505189 A CN 201310505189A CN 104550828 B CN104550828 B CN 104550828B
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CN
China
Prior art keywords
seal
injection
straight
shell
metal molding
Prior art date
Application number
CN201310505189.5A
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Chinese (zh)
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CN104550828A (en
Inventor
王亚楠
陈秋绘
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比亚迪股份有限公司
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Application filed by 比亚迪股份有限公司 filed Critical 比亚迪股份有限公司
Priority to CN201310505189.5A priority Critical patent/CN104550828B/en
Priority claimed from KR1020167013106A external-priority patent/KR101881233B1/en
Publication of CN104550828A publication Critical patent/CN104550828A/en
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Publication of CN104550828B publication Critical patent/CN104550828B/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/14Machines with evacuated die cavity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20Accessories: Details
    • B22D17/2015Means for forcing the molten metal into the die
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20Accessories: Details
    • B22D17/32Controlling equipment

Abstract

The invention discloses a kind of apparatus of metal molding, including:Injection device and velocity of displacement monitoring feedback device, injection device include moveable lucky bar processed and the magnet ring being located on lucky bar processed, are provided with sliding channel in lucky bar processed.Feedback device includes shell and is located at the straight-line displacement sensing device of inside the shell for velocity of displacement monitoring, and shell is tightly connected with injection device, and the rear end of lucky bar processed stretches to inside the shell so that the front end of straight-line displacement sensing device is located in sliding channel.According to the apparatus of metal molding of the present invention, connected using static seal between injection device and velocity of displacement monitoring feedback device, it is easier to realize vacuum sealing, also improve pressurize, this molding to non-crystaline amorphous metal is extremely important.

Description

Apparatus of metal molding
Technical field
The present invention relates to metal smelt field, more particularly, to a kind of apparatus of metal molding.
Background technology
The vacuum die casting machine that transforms on traditional die casting machine, usually employing Ji bar processed and pilot seal component dynamic sealing Mode is sealed, and the property of sealing is radial seal.When needing to gather displacement data, generally by arranged on Ji bar processed Touching ring collision location switch belongs to fixed point and determines tup position judging the position of tup, can not Real-time Feedback tup Position.In addition, the effect of this sealing structure is undesirable, particularly can not ensure well when Ji bar processed is moved back and forth The vacuum leakproofness of injection system, affects on the stability of whole machine very big.
Content of the invention
It is contemplated that at least solving one of technical problem present in prior art.For this purpose, one object of the present invention It is to propose a kind of apparatus of metal molding, the apparatus of metal molding is easier to realize vacuum sealing.
Apparatus of metal molding according to embodiments of the present invention, including:Injection device, the injection device include movably Lucky bar processed and the magnet ring being located on Ji bar processed, are provided with sliding channel in Ji bar processed;Velocity of displacement monitors feedback device, Velocity of displacement monitoring feedback device includes shell and is located at the straight-line displacement sensing device of the inside the shell, the shell with The injection device is tightly connected, and the rear end of Ji bar processed stretches to the inside the shell so that straight-line displacement sensing dress The front end that puts is located in the sliding channel.
Apparatus of metal molding according to embodiments of the present invention, adopts between injection device and velocity of displacement monitoring feedback device Static seal connects, it is easier to realizes vacuum sealing, also improves pressurize, this molding to non-crystaline amorphous metal is extremely important.
The additional aspect and advantage of the present invention will be set forth in part in the description, and partly will become from the following description Obtain substantially, or recognized by the practice of the present invention.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from the description with reference to accompanying drawings below to embodiment Substantially and easy to understand, wherein:
Fig. 1 is the schematic diagram of the apparatus of metal molding according to the embodiment of the present invention;
Fig. 2 is the schematic diagram of the smelting apparatus and injection device in the apparatus of metal molding according to the embodiment of the present invention;
Fig. 3 is the rearview of the smelting apparatus according to the embodiment of the present invention;
Fig. 4 is the right view of the smelting apparatus shown in Fig. 3;
Fig. 5 is the profile of the smelting apparatus shown in Fig. 3;
The connection of working chamber and water cooled electrode component, water cooled electrode component and heating unit of the Fig. 6 for the embodiment of the present invention Relation schematic diagram;
Fig. 7 is the schematic diagram of the pay-off according to the embodiment of the present invention;
Fig. 8 is the schematic diagram of the vacuum extractor according to the embodiment of the present invention;
Fig. 9 is the schematic diagram of the injection device according to the embodiment of the present invention;
Figure 10 is the overall structure sectional view of the injection device according to the embodiment of the present invention and smelting apparatus;
Figure 11 is the enlarged diagram of part A in Fig. 9.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In describing the invention, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " on ", D score, The orientation of instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " or position relationship are Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than indicate or dark Show that the device or element of indication must be with specific orientation, with specific azimuth configuration and operation, therefore it is not intended that right The restriction of the present invention.Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative Importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first " is defined, the feature of " second " can be with bright Show or implicitly include one or more this feature.In describing the invention, unless otherwise stated, " multiple " contain Justice is two or more.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected;Can Being to be mechanically connected, or electrically connect;Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in invention.
A kind of apparatus of metal molding 1000 according to embodiments of the present invention, the metal forming are described below with reference to Fig. 1-Figure 11 Equipment 1000 is used for the hardware that raw metal machine-shaping is reservation shape, and wherein raw metal can be oxidizable gold Category such as non-crystaline amorphous metal etc..
As Figure 1-Figure 11, apparatus of metal molding 1000 according to embodiments of the present invention includes:Smelting apparatus 5, mould Device 10, injection device 8 and vacuum extractor 3, wherein, smelting apparatus 5 are used for for raw material being smelted into molten condition, smelting apparatus 5 include the working chamber 501 with feeding port 508, being provided with for containing raw material and rotatable crucible 502 in working chamber 501, excellent Selection of land, crucible 502 be located at feeding port 508 underface with receive from feeding port 508 add raw material.It is provided with working chamber 501 For heating unit 003 that raw material is heated obtaining the raw material of molten condition, that is to say, that heating unit 003 is to earthenware Raw material in crucible 502 is heated to obtain the raw material of molten condition.
Die device 10 is connected with the sealing of working chamber 501, and die device 10 is used for the Raw material processing molding of molten condition It is the hardware with reservation shape, the as forming process of metal.Injection device 8 includes barrel component 81 and injection list Unit, barrel component 81 are located at the junction of die device 10 and smelting apparatus 5, and a part for barrel component 81 extend into working chamber To receive the raw material of molten condition in 501 and positioned at the lower section of crucible 502, i.e., when the raw material in crucible 502 is smelted into molten During state, crucible 502 is rotated so that the raw material of molten condition is poured in barrel component 81, and soup process given by as raw material.Injection One end of unit is extend in barrel component 81 through working chamber 501 with the raw material injection by the molten condition in barrel component 81 Enter in die device 10, it is achieved that the injection process of raw material.It is tightly connected between injection unit and smelting apparatus 5, that is to say, that A part for injection device 8 is worn and is penetrated in smelting apparatus 5, and injection device 8 is tightly connected so that injection device 8 with smelting apparatus 5 Unite two into one with the space of the evacuation of smelting apparatus 5.
Vacuum extractor 3 is connected with working chamber 501 and die device 10 respectively, and now vacuum extractor 3 is to injection device 8 Evacuation is carried out with the space that smelting apparatus 5 are limited so that the barrel component 81 of injection device 8 and working chamber 501 are in true In Altitude, and the vacuum extractor 3 also carries out evacuation to die device 10 so that the melting of raw material, give soup, injection And during forming process is all in vacuum environment.
When apparatus of metal molding 1000 works, fed into crucible 502 by feeding port 508 first, then start and take out very Empty device 3 carries out evacuation to working chamber 501, injection device 8 and die device 10, and then heating unit 003 works with to earthenware Raw material in crucible 502 is heated, and when the raw material in crucible 502 is heated to be molten condition, crucible 502 rotates to melt The raw material of state is poured in barrel component 81, and then the injection unit in injection device 8 is by the molten in barrel component 81 The raw material injection of state enters in die device 10, die device 10 to molten condition in raw material be processed molding and have to be formed Soup injection mo(u)lding given by the hardware of reservation shape, a series of melting so as to complete raw metal Journey.
Wherein, apparatus of metal molding 1000 is also included for controlling the mould temperature system 1 of 10 mould temperature of die device, for whole machine Electrical control electric-control system 2 be used for provide fusion process real-time photography feedback CCD systems 9, provide human-machine operation circle Face and the man-machine terminal control system 6 of shaping information monitoring.
Apparatus of metal molding 1000 according to embodiments of the present invention, is located at by the barrel component 81 by injection device 8 molten Refining device 5 and the junction of die device 10, and a part for barrel component 81 is located at the lower section of crucible 502, injection unit A part is extend in barrel component 81 through working chamber 501, will injection device 8 wear and penetrate in smelting apparatus 5, so as to by injection The space of the evacuation of device 8 and smelting apparatus 5 unites two into one, and therefore vacuum extractor 3 needs the spatial volume of evacuation big Big reduction, advantageously ensures that sealing and the pressurize of vacuum space, and enables vacuum extractor 3 to carry out rapidly vacuum Process, the requirement of easy oxidation metal melting vacuum can be met in the short period of time, so as to ensure easy oxidation metal molding Batch production.
In some embodiments of the invention, as shown in figs. 2 and 10, the rear end open of working chamber 501 and working chamber 501 Rear end be provided with first flange 512, the part outside working chamber 501 of injection unit is provided with adapter flange 84, the first method Be tightly connected by vacuum sealing corrugated tube 83 between blue 512 and adapter flange 84 with realize injection device 8 and smelting apparatus 5 it Between be tightly connected.Specifically, vacuum sealing corrugated tube 83 belongs to flexible seals, can by working chamber 501 and injection unit, And its structural design error is offset in assembling, simultaneously because the vacuum sealing corrugated tube 83 is flexible piece, can be a large amount of Absorb apparatus of metal molding 1000 and vibrate the impact to each component, improve the safety of apparatus of metal molding 1000 and stablize Property.It is to be appreciated that the invention is not restricted to this, can also be sealed using other modes between working chamber 501 and injection unit Connection.
As shown in Fig. 2, Fig. 9 and Figure 10, in the specific example of the present invention, the front end of working chamber 501 is opened wide and working chamber 501 front end is provided with second flange 516, and the rear end of die device 10 is provided with head plate 101, and second flange 516 and head plate 101 are sealed Coordinate, barrel component 81 is arranged through head plate 101.Consequently facilitating being tightly connected between die device 10 and smelting apparatus 5.
The structure of the smelting apparatus 5 of the embodiment of the present invention is described in detail below with reference to Fig. 3, Fig. 4 and Fig. 5.
As shown in Fig. 3, Fig. 4 and Fig. 5, smelting apparatus 5 include working chamber 501 with inner chamber, crucible 502, evacuation group Part 503, water cooled electrode component 504, reserved port 505, lead terminal component 506, fine vacuum regulate 507, feeding port 508, lazy Property gas ports 509, CCD terminal ports 510, deflation valve 513, observation window 517, vacuum meter 519 and material road 520.Working chamber 501 Both ends open, first flange 512 and second flange 516 are respectively arranged at the two ends of working chamber 501.The working chamber 501 is formed For general oval, in the example of the present invention, the internal cavity cross sectional shape of working chamber 501 is in rectangular configuration for centre, in The two ends of rectangular configuration are respectively arc structure.Compared with the spherical or cylindrical structure adopted in prior art, working chamber 501 Using this sub-elliptical structure, it is obviously reduced can the volume of cavity, advantageously reduces the time of evacuation.Certainly, melt The internal cavity of refining room 501 can also adopt other shapes, as long as sealed volume can be reduced.
As shown in Figure 3 and Figure 4, the crucible 502 of inert gas shielding is received after being provided with down (throwing) material in working chamber 501, Crucible 502 is connected with water cooled electrode component 504, water cooled electrode component 504 can ensure vacuum sealing under conditions of rotate with Crucible 502 is driven to rotate.The indifferent gas body end for the penetrating noble gases into working chamber 501 is additionally provided with working chamber 501 Mouth 509, inert gas port 509 are provided with nozzle in working chamber 501, and nozzle location is adapted with 502 position of crucible.In earthenware Crucible 502 pours the raw material of molten condition after barrel component 81 into, is returned to rapidly inert gas nozzle position.The noble gases spray Between mouth and the inert gas port 509 on smelting system 5, (as shown in Figure 3) is communicated using conventional PU pipes or metal tube, is led to Cross inert gas port 509 and realize the noble gases time that accesses and the control that measures.Therefore, before die device 10 is not molded 502 rapid cooling of crucible is caused using the method for noble gases cooling protection to crucible 502 just, accordingly even when working chamber 501 is entered Enter atmospheric environment, crucible 502 equally reaches the purpose of protection smelting system 5 because not having the temperature also will not be oxidized.Above-mentioned protection The method simple structure of crucible 502, reliable and stable.Alternatively, noble gases adopt argon.
Such as Fig. 5 and Fig. 6, there is heating unit 003 on crucible 502, be enclosed within crucible 502 outside heating unit 003, heating unit 003 is connected with water cooled electrode component 504.Water cooled electrode component 504 has two electrodes 004, the two ends of heating unit 003 with two Electrode 004 is electrically connected.Heating unit 003 and two electrodes 004 can be hollow structure, have coolant in hollow structure, should Coolant is entered inside heating unit 003 by the hollow structure of an electrode, is then flowed out from another electrode.In other words, The first waterway channel is provided with heating unit 003, in each electrode 004, the second waterway channel, two the second waterway channels is provided with It is connected with the two ends of the first waterway channel respectively, coolant enters into heating unit from the second waterway channel of an electrode 004 After exchanging heat to heating unit 003 in 003 the first waterway channel, flow out from the second waterway channel of another electrode 004.
As shown in fig. 6, two electrodes 004 are located on the side wall of working chamber 501, smelting apparatus 5 also include sealing member 005 With rotary arm 001, the electric to seal each on the one end outside working chamber 501 of each electrode 004 outside sealing member 005, is enclosed within Gap between pole 004 and working chamber 501, rotary arm 001 are fixed on sealing member 005 with 005, two electricity of band dynamic seal Pole 004 and crucible 502 are rotated.In other words, installing hole is offered on the side wall of working chamber 501, water cooled electrode component 504 is arranged in In installing hole, and sealed by a sealing member 005, on sealing member 005, be provided with rotary arm 001.Specifically, the sealing member 005 with the side wall airtight connection of working chamber 501, and sealing member 005 with perpendicular to the direction of installing hole as rotary shaft, the sealing member 005 can side wall rotation of the axle relative to working chamber 501 centered on the rotary shaft.Two electrodes 004 are each passed through sealing member 005, outside is extended to from the interior parallel of working chamber 501.Rotary arm 001 is fixed by screws in the outside of sealing member 005. Under external force effect, rotary arm 001 is moved, overall with perpendicular to the side of installing hole with dynamic sealing 005, electrode 004 and crucible 502 To centered on, axle is rotated relative to working chamber 501, realizes the purpose of 502 Tilting of crucible.
Water cooled electrode component 504 is the core of smelting apparatus 5, and which is connected with outside servomotor with same with servomotor Step drives crucible 502 to rotate, and so as to the melt blanking by smelting system 5 accomplishes that speed controlling is adjustable, facilitates melting state The batch turning speed of raw material, the correction of batch turning angle technological parameter.Compared with coaxial electrode, had using water cooled electrode component 504 The advantage that does not replace, 1:Structural volume is less, is suitable for common die casting machine interface, does not result in location conflicts, if with coaxially Electrode, needs the huge change for making size be combined with common die casting machine in structure;2:Still there is vacuum in coaxial electrode Glow discharge and a fearful arc discharge (being possible to breakdown electrode) after energization, but only there is aura and puts in electrode 004 Electricity, has been not in arc discharge, and glow discharge is the natural phenomena being powered under vacuum condition, as long as the not starting the arc, will not be to electricity There is any impact pole, and only has fraction of energy loss, and typical case's application of this phenomenon is exactly the principle of vacuum arc furnace ignition.
Water cooled electrode component 504 respectively with Water-cooling circulating supply system 4 and vacuum extractor 3 in high frequency electric source phase Even.By water cooled electrode component 504 can realize metal alloy melting, to barrel component 81 (as shown in Figure 9) batch turning with And various cleaning protection acts are completed.Control water cooled electrode component 504, just can be by the raw material of the molten condition in crucible 502 Barrel component 81 is directly poured into, and being not in that blanking height is too high causes polytechnic uncertain factor.For different The action speed that the upset of alloying metal liquation is toppled over, speed are all not quite similar, and here using water cooled electrode component 504, do completely Arrive that control is adjustable, be suitable for the technological requirement of various alloying metals.
Observation window 517 is tightly connected with observation window pedestal 518,518 direct employing high vacuum brazing technique of observation window pedestal It is welded in the chamber body of working chamber 501, by observation window 517 it can directly be seen that the melting situation of internal smelting apparatus 5 and each Plant rotary movement and the injection action of water cooled electrode component 504.Vacuumizing assembly 503, fine vacuum regulate 507, deflation valve 513, the standard configuration of port 505 and vacuum meter 519 for working chamber 501 is reserved, and working chamber 501 can be completely controlled by these components Vacuum occur and release conditions, reserve port 505 for the needs of the increase function of technique after meeting.Inert gas port 509 are provided with the standard vacuum parts such as electromagnetism isolating valve, gas circuit cutting ferrule, by corresponding connector, link together and realize inertia The control for being passed through time and amount of gas.CCD terminal ports 510 are located at the surface of 502 mouthfuls of crucible in melting chamber body 501, Image acquisition device and infrared ray terminal probe is which is provided with, complete for fusion process is fed back to control system by image acquisition device In 6, it is easy to operator to see the melting situation of crucible 502, infrared ray terminal probe Real-time Collection temperature signal feedback at any time In control system 6.
Feeding port 508, material road 520 and the lead terminal component 506 arranged in working chamber 501, the cooperation of these three components Work completes feeding action jointly.Feeding port 508 is communicated with crucible 502 by material road 520, in feeding, feeding port 508 dozens Open, raw material enters material road 520.Lead terminal component 506 is a kind of conventional method of vacuum state and atmospheric condition wiring, material road 520 are provided with whether sensor is blocked in material road 520 or remaining for detecting raw material, and transducing signal is passed through lead end Sub-component 506 is transported in control system, and control system 6 is judged to issuable situation.
In some embodiments of the invention, apparatus of metal molding 1000 also includes velocity of displacement monitoring feedback device 7, position Move speed monitoring feedback device 7 to be connected with injection device 8 for detecting the operational factor of injection device 8.
Velocity of displacement monitoring feedback device 7 according to embodiments of the present invention and injection are described in detail below with reference to Fig. 9-Figure 11 The detailed construction of device 8 and assembly relation between the two.
As shown in Figure 9 and Figure 10, injection device 8 includes barrel component 81, includes lucky bar assembly 82 processed and injection power dress 86 injection unit, vacuum sealing corrugated tube 83, the adapter flange 84 of vacuum sealing corrugated tube and tailgate 85 is put, lucky bar assembly processed 82 include lucky bar processed 821 and the magnet ring 822 being located on lucky bar 821 processed, and wherein, the front end of lucky bar 821 processed is provided with for injection original The tup of material, magnet ring 822 are located at the rear end of lucky bar 821 processed for feeding back the position of lucky bar 821 processed, in the example of the present invention, It is enclosed within straight-line displacement sensing device 72 outside magnet ring 822 and magnet ring 822 is fixed on the rear end face of lucky bar 821 processed.Lucky bar 821 processed Sliding channel is inside provided with, and velocity of displacement monitoring feedback device 7 includes the straight-line displacement sensing device 72 extending in sliding channel.
Barrel component 81 is arranged in head plate 101, and the top of the part positioned at working chamber 501 of barrel component 81 is provided with Sprue channel open 94, crucible 502 are poured the raw material of molten condition in sprue channel open 94 into the raw material of molten condition is poured into barrel group In part 81, so as to basic without blanking height, 81 medial wall of barrel component will not be subject to erosion substantially, and at short notice will be molten The raw material for melting state is poured in barrel component 81 so that the cooling of raw material is consumed seldom, and follow-up forming process is just affected Seldom.Barrel component 81 is incubated in the form of 1 heating cycle of mould temperature system oil simultaneously, now by adjustment mould temperature system 1 temperature can freely adjust holding temperature, meet the holding temperature demand of different raw metals.Wherein in order that barrel Component 81 has more preferable heat-insulating property, can also be provided with heat-insulation layer on barrel component 81.
Lucky bar assembly 82 processed is used for the molten metal in injection barrel component 81, and lucky bar assembly 82 processed is from outside working chamber 501 Portion wears extension toward its inner chamber, and its end is stretched in barrel component 81, and injection power set 86 are connected to lucky bar assembly processed 82 rear side, is that lucky bar assembly 82 processed provides power.That is, one end of lucky bar assembly 82 processed extend into barrel component 81 Interior.Injection power set 86 are connected with Ji bar assembly 82 processed for driving Ji bar assembly 82 processed to move with by barrel component 81 Raw material injection enters in die device 10.
Bar assembly 82 processed for whole Ji, injection power set 86 are maked somebody a mere figurehead suitable operating position with tailgate 85 by head plate 101, Injection power set 86 are tightly connected with vacuum sealing corrugated tube 83 by adapter flange 84, so whole 5 He of smelting apparatus Injection device 8 is in sealed environment.
The two ends sealing of vacuum sealing corrugated tube 83 is arranged in the first flange 512 of adapter flange 84 and working chamber 51, Lucky bar assembly 82 processed is through the vacuum sealing corrugated tube 83.
As shown in Fig. 9,10 and 11, velocity of displacement monitoring feedback device 7 includes pilot seal seat 71, straight-line displacement sensing dress Put 72, rear end seal cover 73, sensor seal cover 74, seal sleeve 75, guiding copper ring 76 and O-ring seal 78.It is being oriented to A preformed hole 77 through pilot seal seat 71 on the thickness direction of pilot seal seat 71 is also provided with seal receptacle 71.In advance 77 are boxed out for the filling lubricating oil in first installation or follow-up maintenance.Specifically, 75 structure of pilot seal seat 71 and seal sleeve Cause for arranging the shell of straight-line displacement sensing device 72, shell is tightly connected with injection device, the rear end of lucky bar 821 processed is stretched Enter to inside the shell so that the front end of straight-line displacement sensing device 72 is located in sliding channel.
More specifically, the insertion in the longitudinal direction of pilot seal seat 71, the front end of pilot seal seat 71 passes through O-ring seal 78 are connected with the rear end static seal of adapter flange 84, lucky bar 821 processed through pilot seal seat 71 and Ji bar 821 processed rear end from leading Stretch out to seal receptacle 71 and extend into inside lucky bar 821 processed in order to straight-line displacement sensing device 72.It is provided with pilot seal seat 71 The guiding copper ring 76 being enclosed within lucky bar 821 processed outward, in some examples of the present invention, it is two to be oriented to copper ring 76, and two are led It is enclosed within lucky bar 821 processed to copper ring 76 is outer at interval.Sliding channel inside lucky bar 821 processed is used for accommodating straight-line displacement sensing Device 72, and a magnet ring 822 for feeding back lucky 821 position of bar processed is provided with Ji bar 821 processed.
It is enclosed within straight-line displacement sensing device 72 outside seal sleeve 75, i.e., straight-line displacement sensing device 72 is fixed on sealing shroud In cylinder 75, the front end of seal sleeve 75 is connected with the rear end static seal of pilot seal seat 71, and the rear end of seal sleeve 75 is provided with The rear end seal cover 73 coordinated with straight-line displacement sensing device 72 and sensor seal cover 74, by straight-line displacement sensing device 72 It is sealed in seal sleeve 75.
Specifically, it is enclosed within the rear end of straight-line displacement sensing device 72 outside sensor seal cover 74, outside rear end seal cover 73 It is enclosed within straight-line displacement sensing device 72 and between the rear end face of sensor seal cover 74 and seal sleeve 75, sensor is close Capping 74 and rear end seal cover 73 coordinate so that being tightly connected between straight-line displacement sensing device 72 and seal sleeve 75.Change speech It, straight-line displacement sensing device 72 is by seal sleeve 75, rear end seal cover 73 and sensor seal cover 74 and pilot seal seat 71 static seals connect, it is ensured that whole velocity of displacement monitoring feedback device 7 is in vacuum environment.Connect relative to traditional dynamic sealing Connect, velocity of displacement monitoring feedback device 7 according to embodiments of the present invention is connected using static seal, it is easier to realize vacuum sealing, Pressurize is also improved, this molding to non-crystaline amorphous metal is extremely important.
Specifically, lucky bar 821 processed can be moved linearly under the constraint for being oriented to copper ring 76 back and forth, and now tup is also in material Move back and forth in cartridge module 81, to realize by the raw material injection in barrel component 81 in die device 10, lucky bar 821 processed is moved So as to drive 822 relative linear displacement sensing device 72 of magnet ring to move, in real time the relative position of tup can be fed back, Complete the data acquisition of tup displacement.The control system 6 of subsequently whole machine can calculate the speed of tup according to the data of collection, then Injection pressure is calculated oil pressure data are extracted.The key parameter of current injection device 8 can finally be drawn, operator can be with Requirement according to current pressure, displacement and speed and according to concrete material, arranges suitable pressure, displacement and velocity amplitude, with Ensure the quality of shaped article.
Wherein, specific Cleaning Principle is as follows:Control system 6 is sent to straight-line displacement sensing device 72 with the frequency of 1kHz Detection signal is converted into current impulse and is passed to positioned at straight-line displacement sensing dress by detection signal, straight-line displacement sensing device 72 Put on the waveguide inside 72, while feeding back to 6 one commencing signals of control system.Wherein waveguide is that thin-wall metal is hollow Pipe, two ends are connected with wire, to conduct current impulse.Current impulse is with high speed along waveguide to straight-line displacement sensing dress 72 other end transmission is put, and so as to a circumferential magnetic field is produced outside waveguide, when the magnetic field and is enclosed within waveguide as position Put magnetic field that the movable magnet ring 822 of change produces intersecting when, due to magnetostrictive effect, a strain in waveguide, can be produced Mechanical wave pulse signal, the mechanical wave pulse signal of this strain are transmitted with fixed speed of sound, and are passed by straight-line displacement quickly Induction device 72 is detected, while straight-line displacement sensing device 72 feeds back an end signal to control system 6.Started by record Signal and the time difference of end signal, you can obtain the current position of magnet ring 822, that is, the position that tup is current.Present bit Put the difference with original position, the as displacement of tup.
In some embodiments of the invention, straight-line displacement sensing device 72 adopts magnetostriction linear displacement transducer. Certainly, the invention is not restricted to this, straight-line displacement sensing device 72 can also adopt the other kinds of sensings such as stay-supported sensor Device, as long as the pressure of lucky bar assembly 82 processed, displacement, speed parameter can be measured.
As the pressure of injection device 8, displacement, speed are very important parameters, this several parameters to extrusion process with And very important reference role is formed, different alloying metals, parameter are incomplete same, and the number for this several parameters It is the key for realizing this several parameter feedback controls according to collection.Conventional e measurement technology cannot be real in the environment of vacuum sealing Existing, the method for relative determination is employed herein, by the processing to the lucky bar 821 processed in Ji bar assembly 82 processed, can be by mangneto The measurement working position of flexible linear displacement transducer 72 is placed in one, and can still be obtained by the method for relative determination.And injection The injection power of device 8 can be drawn by determining oil pressure pressure, and finally feeds back to control system 6, and parameter is simultaneously in touch screen Embody on panel.
Specifically, the injection power of injection device 8 can be by being arranged on injection oil cylinder and the hydraulic pressure pressure communicated in oil cylinder Strong sensor is measured.The sensor miniature deformation that hydraulic pressures sensor is caused by the hydraulic pressures in detection injection oil cylinder, And the current signal that the deformation is converted into 4-20mA is fed back to control system 6, size of the control system 6 by this electric current of detection The real-time pressure of injection device 8 is obtained, has real-time pressure, then be multiplied by the cross-sectional area of injection oil cylinder, that is, obtain injection The Real Time Injection power of system.The parameter is embodied on touch panel simultaneously.
In further embodiment of the present invention, apparatus of metal molding 1000 also includes pay-off 12, pay-off 12 It is connected to be sent in crucible 502 raw material by feeding port 508 with feeding port 508.
As shown in fig. 7, pay-off 12 includes guider 122, rises material conveyer belt 123, the such as gas of blanking controller 124 Cylinder, vibrosieve 125, register 127, intermediate zone 128, screening plant 129, weighing conveyor belt 008 and mass sensor 009.Claim Retransmit and be connected by intermediate zone 128 between band 008 and vibrosieve 125, i.e., one end of intermediate zone 128 is connected with vibrosieve 125, Weighing conveyor belt 008 is connected with the other end of intermediate zone 128.The lower end for rising material conveyer belt 123 is connected with weighing conveyor belt 008, Rise.
Enumerator 127 is used for counting the raw material for entering into weighing conveyor belt 008.Blanking controller 124 and counting Device 127 is connected and is stopped with detecting in enumerator 127 when the quantity of the raw material entered on weighing conveyor belt 008 reaches predetermined value Gear raw material is entered on weighing conveyor belt 008, so that the quantity phase of the raw material for being entered on weighing conveyor belt 008 every time With.Whether the quality of the raw material on the detection weighing conveyor belt 008 of mass sensor 009 is qualified.Screening plant 129 is located at biography of weighing Send and underproof raw material is filtered out from weighing conveyor belt 008.In the specific example of the present invention, quality Sensor 009 and screening plant 129 are arranged on weighing conveyor belt 008, and screening plant 129 is cylinder.
When pay-off 12 works, now the raw material with certain regular shape is put in vibrosieve 125 in advance, is passed through Vibrosieve 125 by feedstock transportation in intermediate zone 128, in the process that raw material is sent to intermediate zone 128 weighing conveyor belt 008 In, enumerator 127 is counted to raw material, when the quantity of the raw material on weighing conveyor belt 008 reaches predetermined value, blanking control Device processed 124 is fallen and is entered on weighing conveyor belt 008 with backstop raw material, now by mass sensor 009 to weighing conveyor belt 008 On the raw material of predetermined quantity carry out comparison and detection, when mass sensor 009 is detected as qualified, quantitative raw material is sent to liter On material conveyer belt 123, when mass sensor 009 is detected as unqualified, then raw material off quality is pushed away by screening plant 129 Enter pre-set position, pay-off 12 remains in operation, qualified raw material is by liter material conveyer belt 123 through guider 122,508 position of feeding port is transported to, blanking forming is waited.
As shown in figure 8, in a particular embodiment of the present invention, vacuum extractor 3 includes:Vacuum pump set 31, dustproof filter Three-way interface 32, working chamber's vacuumizing joint 33, pressure reduction charge valve 34, mould vacuumizing joint 35 and electromagnetic valve 36.Working chamber Vacuumizing joint 33 is located on vacuum pump set 31 and is connected with working chamber 501.Mould vacuumizing joint 35 is located at vacuum pump set 31 It is connected above and with working chamber 501.
Dustproof filter three-way interface 32 includes first interface, second interface and the 3rd interface, first interface and vacuum pump set 31 are connected, and second interface is connected with working chamber's vacuumizing joint 33, and the 3rd interface is connected with mould vacuumizing joint 35, and second connects Drainage screen is respectively equipped with mouth and the 3rd interface.So as to prevent the materials such as raw material or dust from entering in vacuum pump set 31.
Electromagnetic valve 36 is located on dustproof filter three-way interface 32 to be used for controlling second interface and the 3rd beating for interface opens or closes Close, to control whether to carry out evacuation to working chamber 501 and die device 10.Pressure reduction charge valve 34 is located at dustproof filter three and connects Playing a protective role to vacuum extractor 3 in the event of a power failure on mouthfuls 32.Wherein, operation principle of pressure reduction charge valve 34 etc. It is well known to those skilled in the art, is just not described in detail here.
The course of work of the apparatus of metal molding 1000 according to the specific embodiment of the invention is entered below with reference to Fig. 1-Figure 11 Row is described in detail, and wherein apparatus of metal molding 1000 is also included for detecting the vacuum detecting system of vacuum.
First, after start, control system 6 carries out self-inspection, while detecting that the atmospheric pressure in working chamber 501, Water-cooling circulating are supplied Answer cooling water pressure in system 4, each valve position whether normal, as without exception, initial reset is carried out to smelting apparatus 5 So that crucible 502 is just arranged to feeding port 508, normal operating condition is entered into, sound and light alarm is carried out if there is exception, and will The presentation of information of mistake is in the man machine interface of control system 6.
Raw material is sent in the crucible 502 in working chamber 501 by pay-off 12 by feeding port 508, then evacuation Device 3 carries out evacuation to working chamber 501, die device 10, injection device 8, when vacuum detecting system detects working chamber 501st, when the pressure in die device 10, injection device 8 reaches requirements, heating unit 003 starts to the raw material in crucible 502 Heated so that by raw material melting, as molten condition, and die device 10 closes film and is warming up to and needs temperature.
During melting, video image in 9 Real-time Collection smelting apparatus 5 of CCD systems, operator can pass through Situation in the display screen observation smelting apparatus 5 of CCD systems 9, can rule of thumb judge smelting temperature, infrared temperature by video Degree sensor detection smelting temperature, shows in man machine interface in real time.Control system 6 according to the default heated current of technique and adds Hot time control heating power supply power, and realize heating, be incubated multistage control, accurate temperature controlling.
After the completion of heating melting, servomotor drives water cooled electrode component 504 and crucible 502 to rotate, by molten condition Raw material is poured in barrel component 81, and crucible 502 is appropriate to stop to ensure that raw material is all poured in barrel component 81, then crucible 502 high speeds return to cooling position, be passed through noble gases and crucible 502 is cooled down, it is ensured that before die sinking, 502 temperature of crucible reduces To not oxidizable temperature.
Crucible 502 in smelting apparatus 5 topple over after the completion of through default delay time, the injection unit of injection device 8 Carry out a speed, two ram compressions to penetrate, the raw material injection of the molten condition in barrel component 81 is shaped in die device 10.Injection Monitor feedback device 7 in the tup position of lucky 82 front end of bar processed of 72 Real-time Feedback of magnetostrictive displacement sensor in journey, velocity of displacement Tup instantaneous velocity is gone out by tup change in location supercomputing.While the pressure of pressure transducer immediate feedback injection device 8 Value.Velocity of displacement is monitored feedback device 7 and preserves speed, displacement, pressure value and shown with curve form.After the completion of injection, Automatically one section of speed, two-stage nitration speed, two fast starting points, supercharging are calculated to postpone, build the parameters such as pressure time, is looked into for technologist Ask.
After the completion of crucible 502 is cooled down, deflation valve 513 is opened, and the vacuum environment in working chamber 501 is deflated.Vacuum When the pressure of detecting system detection vacuum environment is higher than lower limit is set, through time-delay closing deflation valve 513, it is ensured that vacuum environment Pressure is substantially equal to atmospheric pressure, now allows die device 10 to mold, takes out the hardware after molding.
Last operation personnel cleaning mould, charging basket, tup etc., and operator open feeding port 508, will be former for next circulation Material is poured into from feeding port 508, carries out next circulation.
In terms of design parameter, the apparatus of metal molding 1000 of the embodiment of the present invention in 2~20 seconds can fill melting Put 5 and the vacuum of injection device 8 drop in the range of 5~200Pa, within ultimate value can reach 10Pa, and press and rise less In the 0.5Pa/ seconds, excellent vacuum environment can be just provide enough at short notice.For non-crystaline amorphous metal etc. will to vacuum Ask the apparatus of metal molding of higher product, the present invention vacuum of smelting apparatus 5 and injection device 8 can be dropped in 15 seconds To below 100Pa.Design parameter can be set on equipment, can be done according to the technological requirement of production product and be repaiied in real time Change.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ", The description of " example ", " specific example " or " some examples " etc. means specific features, the knot described with reference to the embodiment or example Structure, material or feature are contained at least one embodiment or example of the present invention.In this manual, to above-mentioned term Schematic representation is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or spy Point can be combined in any one or more embodiments or example in an appropriate manner.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that:Not These embodiments can be carried out with multiple changes, modification, replacement and modification in the case of the principle and objective that depart from the present invention, this The scope of invention is limited by claim and its equivalent.

Claims (7)

1. a kind of apparatus of metal molding, it is characterised in that include:
Injection device, the injection device include moveable lucky bar processed and the magnet ring being located on Ji bar processed, the lucky system Sliding channel is provided with bar;
Velocity of displacement monitors feedback device, and the velocity of displacement monitoring feedback device includes shell and is located at the straight of the inside the shell Displacement of the lines sensing device, the shell are tightly connected with the injection device, and the rear end of Ji bar processed stretches to the shell Interior so that the straight-line displacement sensing device front end be located at the sliding channel in;
The injection device is provided with adapter flange, and the shell is tightly connected with the adapter flange, after Ji bar processed End extend into the inside the shell through the adapter flange;
The shell includes:The pilot seal seat of insertion, the front end of the pilot seal seat and the switching in the longitudinal direction Flange seal connects;Seal sleeve, the straight-line displacement sensing device are fixed in the seal sleeve, and the seal sleeve Front end be connected with the back-end sealing of the pilot seal seat;
The rear end open of the seal sleeve, the velocity of displacement monitoring feedback device also include that rear end seal cover and sensor are close Capping, is enclosed within outside the sensor seal cover on the rear end of the straight-line displacement sensing device, is enclosed within outside the rear end seal cover On the straight-line displacement sensing device and between the rear end face of the sensor seal cover and the seal sleeve, the biography Sensor closure and the rear end seal cover coordinate so that close between the straight-line displacement sensing device and the seal sleeve Envelope connection.
2. apparatus of metal molding according to claim 1, it is characterised in that the velocity of displacement monitoring feedback device is also wrapped Guiding copper ring is included, the guiding copper ring is located in the pilot seal seat and is enclosed within Ji bar processed outward.
3. apparatus of metal molding according to claim 2, it is characterised in that the guiding copper ring is two, described two Guiding copper ring is outer at interval to be enclosed within Ji bar processed.
4. apparatus of metal molding according to claim 1, it is characterised in that the pilot seal seat is provided with leads described Run through the preformed hole of the pilot seal seat on the thickness direction of seal receptacle.
5. apparatus of metal molding according to claim 1, it is characterised in that the pilot seal seat and the adapter flange Between be provided with O-ring seal.
6. apparatus of metal molding according to claim 1, it is characterised in that be enclosed within the straight-line displacement outside the magnet ring and pass On induction device and the magnet ring is fixed on the rear end face of Ji bar processed.
7. apparatus of metal molding according to claim 1, it is characterised in that the straight-line displacement sensing device is stretched for mangneto Contracting linear displacement transducer.
CN201310505189.5A 2013-10-23 2013-10-23 Apparatus of metal molding CN104550828B (en)

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CN201310505189.5A CN104550828B (en) 2013-10-23 2013-10-23 Apparatus of metal molding
KR1020167013106A KR101881233B1 (en) 2013-10-23 2014-10-15 Metal forming apparatus
US15/028,991 US9968997B2 (en) 2013-10-23 2014-10-15 Metal forming apparatus
EP14856353.9A EP3041622B1 (en) 2013-10-23 2014-10-15 Metal forming apparatus
PCT/CN2014/088649 WO2015058644A1 (en) 2013-10-23 2014-10-15 Metal forming apparatus

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US3956973A (en) * 1972-07-11 1976-05-18 Basic Aluminum Castings Company Die casting machine with piston positioning control
KR100253814B1 (en) * 1998-01-12 2000-04-15 서동명 Diecasting machine with sensor for measuring a traveling distance in injection cylinder
JP4184152B2 (en) * 2003-05-16 2008-11-19 東芝機械株式会社 Die casting apparatus and casting method
CN101239373B (en) * 2008-03-04 2010-06-23 苏州意特机械有限公司 Vertical pressure charging press-shoot system
CN101704087A (en) * 2009-11-27 2010-05-12 清华大学 Vacuum die-casting mould sealing structure
CN201693151U (en) * 2010-02-10 2011-01-05 广东伊之密精密机械有限公司 Mechanism for controlling and measuring injection stroke of die casting machine
CN202398798U (en) * 2011-10-25 2012-08-29 深圳领威科技有限公司 Die casting machine material shooting displacement detecting device
CN203679217U (en) * 2013-10-23 2014-07-02 比亚迪股份有限公司 Metal forming equipment

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