CN107214317A - A kind of quantitative pouring system for alloy die cast - Google Patents
A kind of quantitative pouring system for alloy die cast Download PDFInfo
- Publication number
- CN107214317A CN107214317A CN201710412100.9A CN201710412100A CN107214317A CN 107214317 A CN107214317 A CN 107214317A CN 201710412100 A CN201710412100 A CN 201710412100A CN 107214317 A CN107214317 A CN 107214317A
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- CN
- China
- Prior art keywords
- topping
- pipe
- quantitative
- pump line
- constant displacement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/30—Accessories for supplying molten metal, e.g. in rations
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The invention discloses a kind of quantitative pouring system for alloy die cast, it is characterised in that including:Melt (1), it is internally provided with crucible;Crucible cover (2), it is placed in above the melt (1) to cover the crucible;Quantitative pump line (3), it is inserted vertically into the crucible through the crucible cover and protruded upward from the crucible cover 2, and the side of the quantitative pump line (3) is provided with outlet;Constant displacement pump (12), it is placed in above the quantitative pump line (3) and forms one with the quantitative pump line (3);Topping up pipe (14), it is fixedly connected with the outlet of quantitative pump line (3), and the topping up pipe (14) is straight pipe;With PLC control system (25), it is used to control the temperature in the operating and the topping up pipe (14) of the constant displacement pump (12).Quantitative pouring system operatio of the invention is simple, easy to maintenance, rational in infrastructure, versatility is good.
Description
Technical field
The present invention relates to die-casting technique field, relate more specifically to a kind of quantitative pouring system for alloy die cast.
Background technology
In die casting, the link of most critical is fusing and the running gate system of raw material.Raw material pass through high temperature in a furnace
Melted, the liquid melted is poured into mould by running gate system.Because the chemical property of magnesium is active, with air under high temperature
In oxygen, water vapour contact, or contact with iron oxide, silica and can occur violent reaction, or even exploded.Especially molten
During refining, Serum Magnesium easily reacts with the oxygen in air, and the oxide-film formed is loose, it is impossible to prevent further oxygen
Change, easily occur burning or explosion phenomenon, therefore, certain safeguard measure must be taken in fusion process, prevent Serum Magnesium and empty
Gas is contacted, and Serum Magnesium is delivered in the material cylinder of die casting machine, completes die casting.
The topping up form of tubes of existing running gate system has following two forms:It is a kind of that for the side wall of smelting furnace, topping up pipe is set
Mouthful, topping up pipe is connected with the topping up mouth of pipe, and constant displacement pump is installed on the crucible cover above melt, and this kind of method is suitable for closing in smelting furnace
Golden liquid level is higher than the arrangement of mould of die casting machine pouring slot;It is another to be split type, topping up pipe and constant displacement pump are installed in
On crucible cover, accessory device is excessive on crucible cover, insufficient space, and this kind of method is suitable for alloy liquid level in smelting furnace and is less than die casting machine
The arrangement of mould pouring slot.First method defect is:Topping up pipe is connected directly between on body of heater, and topping up pipe can not be entered
Row independent operation, once topping up blockage, when safeguarding, then rotates body of heater, could dredge or take behind the position for changing body of heater
Lower topping up pipe is safeguarded.Second method defect is:Constant displacement pump and topping up pipe insert earthenware independently of one another by crucible cover
In crucible, larger position is spatially taken what furnace crucible was stamped limit, and topping up pipe must be bending, one in structure
Denier, which is blocked, is then not easy dredging, safeguards inconvenience.
The content of the invention
Therefore, being poured it is an object of the invention to provide a kind of easy to maintenance and rational in infrastructure for quantifying for alloy die cast
Injection system.
According to an aspect of the invention, there is provided a kind of quantitative pouring system for alloy die cast, it is characterised in that
Including:Melt 1, it is internally provided with crucible;Crucible cover 2, it is placed in the top of melt 1 to cover crucible;Quantitative pump line 3, it is worn
Cross crucible cover to be inserted vertically into crucible and protrude upward from crucible cover 2, and quantify the side of pump line 3 and be provided with outlet;It is quantitative
Pump 12, it is placed in the quantitative top of pump line 3 and forms one with quantitative pump line 3;Topping up pipe 14, the outlet of itself and quantitative pump line 3 is consolidated
Fixed connection, the topping up pipe 14 is straight pipe;With PLC control system 25, its operating for being used to control constant displacement pump 12 and topping up pipe 14
Interior temperature.
According to a preferred embodiment of the present invention, constant displacement pump 12 includes:Motor, power line and the PLC of the motor are controlled
The power pack of system 25 processed is connected, and the signal wire of the motor is connected with PLC control system 25;Axle, it passes through ten thousand with motor
To section connection;Impeller, it is arranged on the bottom of axle;With quantitative pump line 3, its internal setting axle and the impeller.
According to a preferred embodiment of the present invention, U-shaped heat block 6 is provided with around quantitative pump line 3.
According to a preferred embodiment of the present invention, constant displacement pump 12 passes through base 8 and base adjustment plate with quantitative pump line 3
9 form one, and base 8 has horizontal part and vertical portion, and the horizontal part of base 8 is fixed by housing screw 5.
According to a preferred embodiment of the present invention, constant displacement pump 12 is compressed by constant displacement pump housing screw 11, works as release
During constant displacement pump housing screw 11, Rotating Liquid-filled Body pipe 14 so that the topping up pipe 14 being fixedly connected with quantitative pump line 3 is with quantitative pump line 3
Rotatable 60 °~80 °.
According to a preferred embodiment of the present invention, topping up pipe 14 includes:Topping up pipe inner tube, it is logical with quantitative pump line 3
The rapid clamping fixture 13 for overcharging the upper end of liquid pipe 14 is fixedly connected;Heating element heater, it is wrapped in topping up pipe inner tube;Thermometric member
Part, it is wrapped in topping up pipe inner tube;Insulation material, it is looped around on heating element heater and temperature element;Topping up pipe outer tube, its ring
It is wound on the insulation material;Terminal box 16, it is placed on topping up pipe outer tube, and terminal box 16 connects with PLC control system 25
Connect;With bent angle mouth 24, it clamps the lower end that pin 23 is fixedly mounted on topping up pipe 14 by bent angle mouth.
According to a preferred embodiment of the present invention, heating element heater includes topping up pipe import heater strip 17 and topping up pipe goes out
Mouth heater strip 18, temperature element includes topping up pipe import thermocouple 19 and topping up pipe exit thermocouple 20.
According to a preferred embodiment of the present invention, bent angle mouth protection gas tube orifice 22 is provided with bent angle mouth 24, this is curved
Angle mouth protection gas tube orifice 22 is connected with protection tracheae.
According to a preferred embodiment of the present invention, PLC control system 25 is to quantitative pouring control system, described quantitative
The U-shaped heat block 6 of pump line 3 and the heating element heater of topping up pipe 14 are controlled in real time, and carry out signal with die casting machine control system
Interaction.
According to a preferred embodiment of the present invention, quantitative pouring system of the invention can apply to magnesium alloy.
By above technical scheme, the present invention has the advantages that:
(1) in the present invention, quantitative pump line is inserted in crucible by crucible cover, and quantitative pump line forms one with constant displacement pump,
Topping up pipe is fixedly connected with the outlet of quantitative pump line side so that quantitative pouring system architecture of the invention is reasonable;
(2) in the present invention, topping up pipe is straight pipe, and can rotate 60 °~80 ° with quantitative pump line so that the present invention
Quantitative pouring system maintain easily.
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, various other advantages and benefit is common for this area
Technical staff will be clear understanding.Accompanying drawing is only used for showing the purpose of preferred embodiment, and is not considered as to the present invention
Limitation.And in whole drawing and description, identical part is denoted by the same reference numerals.In the accompanying drawings:
Fig. 1 is the structural representation of the quantitative pouring system for alloy die cast of the present invention.
Fig. 2 is quantitative pouring control system of the invention to die casting machine control system, heat block, the topping up pipe of quantitative pump line
The schematic diagram that is controlled of heating element heater.
Reference:1- smelting furnaces;2- crucible covers;The quantitative pump lines of 3-;4- base compact heaps;5- base housing screws;6-U types
Heat block;Adjusting screw above and below 7- bases;8- bases;9- base adjustment plates;10- constant displacement pump pipe flanges;11- constant displacement pumps fix spiral shell
Nail;12- constant displacement pumps;13- rapid clamping fixtures;14- topping up pipes;15- topping up pipe support frames;16- terminal boxes;17- topping up pipes enter
Mouth heater strip;18- topping ups pipe exports heater strip;19- topping up pipe import thermocouples;20- topping up pipe exit thermocouples;21- bent angles
Mouth clamping flange;22- bent angles mouth protects gas tube orifice;23- bent angles mouth clamps pin;24- bent angle mouths;25-PLC control systems.
Embodiment
The invention provides many applicable creative concepts, the creative concept can be reflected in a large number of on specific
Hereinafter.Specific embodiment described in following embodiments of the present invention is only as embodiment of the invention
Exemplary illustration, and be not meant to limit the scope of the invention.
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the quantitative pouring system for alloy die cast of the present invention.
As shown in figure 1, the quantitative pouring system that the present invention is provided, including:Melt 1, the melt 1 is internally provided with crucible;
Crucible cover 2, the top that the crucible cover 2 is placed in melt 1 is used to cover crucible;Quantitative pump line 3, the quantitative pump line 3 passes through crucible cover
It is inserted vertically into crucible and is protruded upward from crucible cover 2, and the side of the quantitative pump line 3 is provided with outlet;Constant displacement pump 12, this is determined
Amount pump 12 is placed in the quantitative top of pump line 3 and forms one with quantitative pump line 3;Topping up pipe 14, the topping up pipe 14 passes through Quick-clamped
Fixture 13 is fixedly connected with the outlet of quantitative pump line 3, and the topping up pipe 14 is straight pipe;With PLC control system 25, this may be programmed and patrols
Collecting controller 25 is used to control the temperature in the operating and topping up pipe 14 of constant displacement pump 12.Quantitative pump line inserts crucible by crucible cover
In, quantitative pump line forms one with constant displacement pump, and topping up pipe is fixedly connected with the outlet of quantitative pump line side so that of the invention determines
Measure injection system structure reasonable.
Constant displacement pump 12 includes:Motor, the power line of the motor is connected with the power pack of PLC control system 25, the motor
Signal wire be connected with PLC control system 25;Axle, the axle is connected with motor by universal joint;And impeller, the impeller is arranged on upper
The bottom of axle is stated, axle and impeller are arranged in quantitative pump line 3.U-shaped heat block 6, the U-shaped heat block 6 are provided with around quantitative pump line 3
The quantitative pump line 3 of crucible cover above section is heated, in the embodiment as shown, heat block is U-shaped heat block, so
And, the type not limited to this of heat block, as long as quantitative pump line can be heated.Quantitative pump frequency and cast of the motor by setting
When time rotates, impeller rotation, aluminium alloy is entered in quantitative pump line from constant displacement pump ttom of pipe end, and is gone out by quantitative pump line
Mouth outflow.
Constant displacement pump 12 forms one with quantitative pump line 3 by base 8 and base adjustment plate 9.Base 8 is " L " shape, base 8
Horizontal component be referred to as horizontal part, the vertical portion of base 8 is referred to as vertical portion, base 8 by base compact heap 4 in the horizontal direction
Upper adjustable, specifically, the horizontal part of base 8 is arranged in the chute of compact heap 4, and the horizontal part of base 8 can be along compact heap 4
Chute move in the horizontal direction, behind the position for the horizontal part for adjusting base 8 by housing screw 5 compress base 8,;Bottom
Seat 8 is adjustable by the in the vertical direction of base adjustment plate 9, and base adjustment plate 9 is " Γ " shape, the horizontal part of base adjustment plate 9
Divide and be referred to as horizontal part, the horizontal part of base adjustment plate 9 is provided with screw, and the vertical portion of base adjustment plate 9 is referred to as vertical portion, and
And the vertical portion of base adjustment plate 9 is provided with bar-shaped trough, specifically, base 8 can be on the vertical portion by base adjustment plate 9
Bar-shaped trough in the vertical direction is moved so that the in the vertical direction of base 8 is adjusted, behind the position for the vertical portion for adjusting base 8
The vertical portion of base adjustment plate 9 is fixed on to the top of the vertical portion of base 8 using screw 7.Base adjustment plate 9 and base 8
Shape is not particularly limited, and base adjustment plate 9 is used cooperatively with base 8, and when base adjustment plate 9 is " Γ " shape, base 8 is " L "
Shape;When base adjustment plate 9 is " ㄏ " shape, base 8 is " ㄥ " shape, as long as base 8 can be by base adjustment plate 9 in vertical side
Adjust upward.Adjusting range in horizontal direction and vertical direction for example can be 0-300mm.Constant displacement pump 8 passes through base
Screw on the horizontal part of adjustment plate 9 fixes constant displacement pump 12 with constant displacement pump fixing screws 11.Because base compact heap 4 is welded on earthenware
On crucible lid 2, quantitatively pump line 3 is welded as a whole and quantitative pump line through the horizontal part and constant displacement pump pipe flange 10 of base adjustment plate 9
3 along base adjustment plate 9 horizontal part and base 8 horizontal part on hole extend into the crucible of smelting furnace 1, thus it is possible to pass through
Base 8 adjusts the position of quantitative pump line 3 with the adjustment on vertical direction in the horizontal direction, especially, is compressed by constant displacement pump
Screw 11 compresses constant displacement pump 12, when unclamping constant displacement pump housing screw 11, Rotating Liquid-filled Body pipe 14 so that fixed with quantitative pump line 3
The topping up pipe 14 of connection is with quantitative 3 rotatable 60 °~80 ° of pump line, and topping up pipe 14 is straight tube so that quantitative pouring of the invention
System is maintained easily.Therefore, the quantitative pouring system as the present invention and when using cooperatively of die casting machine, because base 8 is in level
It can adjust on direction and vertical direction, bent angle mouth 24 is placed exactly in the pouring position of die casting machine feeding cylinder, it is ensured that of the invention
The position consistency of quantitative pouring system and die casting machine so that quantitative pouring system can be more flexible and be suitable for various pressures
Casting machine, versatility is good.
Topping up pipe 14 includes:Topping up pipe inner tube;Heating element heater, the heating element heater is wrapped in topping up pipe inner tube, heating unit
Part includes topping up pipe import heater strip 17 and topping up pipe outlet heater strip 18;Temperature element, the temperature element is wrapped in topping up pipe
In inner tube, temperature element includes topping up pipe import thermocouple 19 and topping up pipe exit thermocouple 20;Insulation material, the insulation material
It is looped around on heating element heater and temperature element;Topping up pipe outer tube, the topping up pipe outer tube is looped around on insulation material;Terminal box 16,
The terminal box 16 is placed on topping up pipe outer tube, and terminal box 16 is connected with PLC control system 25;With bent angle mouth 24, the bent angle
Mouth 24 clamps the lower end that pin 23 is fixedly mounted on topping up pipe 14 by bent angle mouth.Bent angle mouth protection tracheae is provided with bent angle mouth 24
Mouth 22, the bent angle mouth protection gas tube orifice 22 is connected with protection tracheae, and the liquid in topping up pipe is protected.Topping up pipe support frame
15 support topping up pipes 14.Topping up pipe import heater strip 17, topping up pipe outlet heater strip 18, the topping up pipe import thermoelectricity of topping up pipe 14
Idol 19 and topping up pipe exit thermocouple 20 are all connected in terminal box 16, and are connected by terminal box 16 with PLC control system 25,
Especially, the topping up pipe import heater strip 17 of topping up pipe 14, topping up pipe outlet heater strip 18 and the power supply of PLC control system 25
Divide connection.
Fig. 2 is carried out for the quantitative pouring control system of the present invention to the heat block of quantitative pump line, the heating element heater of topping up pipe
Control and carried out with die casting machine control system the schematic diagram of signal interaction.
Quantitative pouring control system is made up of PLC control system 25, U-shaped of the quantitative pouring control system to quantitative pump line 3
Heat block 6, the topping up pipe import heater strip 17 of topping up pipe 14, topping up pipe outlet heater strip 18 are controlled in real time.Specifically, lead to
The heating-up temperature of quantitative pouring set-up of control system topping up pipe 14 is crossed, after the heat button for opening quantitative pouring control system, is filled
Topping up pipe import heater strip 17, topping up pipe outlet heater strip 18 in liquid pipe 14 are begun to warm up, and quantitative pouring control system passes through
Detector unit on topping up pipe 14 monitors the temperature of topping up pipe 14 in real time, makes topping up pipe temperature stabilization in set temperature value.
When die casting machine needs cast under manually or automatically state, PLC control system allows cast by die casting machine control system
Signal control quantitative pouring system operation, frequency of the quantitative pouring control system according to the constant displacement pump set, the duration of pouring
Output a signal on constant displacement pump, constant displacement pump passes through the operating of the duration of pouring according to the frequency of setting, and reaches quantitative pouring control
After the injection delay time set in system processed, quantitative pouring control system sends the signal of casting complete to die casting machine, realizes
Quantitative pouring, during constant displacement pump is operated, the liquid pumped out from smelting furnace 1 is flowed in topping up pipe by quantitative pump line, liquid edge
Topping up pipe is flowed into the material cylinder on die casting machine.PLC control system 25 to quantitative pouring control system, die casting machine control system,
The U-shaped heat block 6 of quantitative pump line 3 and the heating element heater of topping up pipe 14 control and monitor in real time so that of the invention quantifies
The stable and reliable operation of running gate system, simple to operate and high safety.
The quantitative pouring system for alloy die cast of the present invention can apply to magnesium alloy.
The quantitative pouring system for alloy die cast of the present invention realizes automation cast by constant displacement pump, is particularly suitable for use in
Die casting machine arrangement height is than in the structure at smelting furnace bottom, and the quantitative pouring system longtime running is reliable and stable, simple to operate, dimension
Shield is convenient, versatility is good, high safety.
It should be noted that the present invention will be described rather than limits the invention for above-described embodiment, and this
Art personnel can design alternative embodiment without departing from the scope of the appended claims.In claim
In, any reference symbol between bracket should not be configured to limitations on claims.Word "comprising" is not excluded for depositing
In element or step not listed in the claims.Word "a" or "an" before element do not exclude the presence of it is multiple this
The element of sample.
Claims (10)
1. a kind of quantitative pouring system for alloy die cast, it is characterised in that including:
Melt (1), the melt (1) is internally provided with crucible;
Crucible cover (2), the crucible cover (2) is placed in above the melt (1) to cover the crucible;
Quantitative pump line (3), the quantitative pump line (3) is inserted vertically into the crucible through the crucible cover and from the crucible cover
(2) protrude upward, and the side of the quantitative pump line (3) is provided with outlet;
Constant displacement pump (12), the constant displacement pump (12) is placed in above the quantitative pump line (3) and forms one with the quantitative pump line (3)
Body;
Topping up pipe (14), the topping up pipe (14) is fixedly connected with the outlet of quantitative pump line 3, and the topping up pipe (14) is straight pipe;
With
PLC control system (25), the PLC control system (25) is used to control the operating of the constant displacement pump (12) and the topping up
Manage the temperature in (14).
2. quantitative pouring system according to claim 1, it is characterised in that the constant displacement pump (12) includes:
Motor, the power line and signal wire of the motor are connected with the PLC control system (25);
Axle, the axle is connected with the motor by universal joint;With
Impeller, the impeller is arranged on the bottom of the axle,
The axle and the impeller are arranged in the quantitative pump line (3).
3. quantitative pouring system according to claim 2, it is characterised in that add around the quantitative pump line (3) provided with U-shaped
Hot block (6).
4. quantitative pouring system according to claim 1, it is characterised in that the constant displacement pump (12) and the quantitative pump line
(3) by base (8) and base adjustment plate (9) formation one, the base (8) has horizontal part and vertical portion, the base
(8) the horizontal part is fixed by housing screw (5).
5. quantitative pouring system according to claim 1, it is characterised in that institute is compressed by constant displacement pump housing screw (11)
State constant displacement pump (12), when unclamping constant displacement pump housing screw (11), rotate the topping up pipe (14) so that with it is described quantitative
The topping up pipe (14) that pump line (3) is fixedly connected can rotate 60 °~80 ° with the quantitative pump line (3).
6. quantitative pouring system according to claim 1, it is characterised in that the topping up pipe (14) includes:
Topping up pipe inner tube, the topping up pipe inner tube and the quantitative quick clip of the pump line (3) by topping up pipe (14) upper end
Clamper (13) is fixedly connected;
Heating element heater, the heating element heater is wrapped in the topping up pipe inner tube;
Temperature element, the temperature element is wrapped in the topping up pipe inner tube;
Insulation material, the insulation material is looped around on the heating element heater and the temperature element;
Topping up pipe outer tube, the topping up pipe outer tube is looped around on the insulation material;
Terminal box (16), the terminal box (16) is placed on the topping up pipe outer tube, and the terminal box (16) and the PLC
Control system (25) is connected;With
Bent angle mouth (24), the bent angle mouth (24) clamps pin (23) by bent angle mouth and is fixedly mounted under the topping up pipe (14)
End.
7. quantitative pouring system according to claim 6, it is characterised in that the heating element heater adds including topping up pipe import
Heated filament (17) and topping up pipe outlet heater strip (18), the temperature element includes topping up pipe import thermocouple (19) and topping up pipe goes out
Mouth thermocouple (20).
8. quantitative pouring system according to claim 6, it is characterised in that be provided with bent angle mouth on the bent angle mouth (24)
Gas tube orifice (22) is protected, the bent angle mouth protection gas tube orifice (22) is connected with protection tracheae.
9. quantitative pouring system according to claim 1, it is characterised in that the PLC control system (25) is to quantitatively pouring
The heating element heater of note control system, the U-shaped heat block (6) of the quantitative pump line (3) and the topping up pipe (14) enters
Row control in real time and monitoring, and carry out signal interaction with die casting machine control system.
10. the quantitative pouring system according to any one of claim 1 to 9 is the quantitative pouring system of cast magnesium alloy.
Priority Applications (1)
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CN201710412100.9A CN107214317B (en) | 2017-06-02 | 2017-06-02 | Quantitative pouring system for alloy die casting |
Applications Claiming Priority (1)
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CN201710412100.9A CN107214317B (en) | 2017-06-02 | 2017-06-02 | Quantitative pouring system for alloy die casting |
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CN107214317A true CN107214317A (en) | 2017-09-29 |
CN107214317B CN107214317B (en) | 2021-03-23 |
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ID=59947253
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CN205032700U (en) * | 2015-09-23 | 2016-02-17 | 东莞市宏幸工业炉制造有限公司 | Automatic quantitative stove of magnesium alloy |
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AU6671586A (en) * | 1986-12-18 | 1988-06-23 | Dow Chemical Company, The | Molten metal handling system |
EP0581949A1 (en) * | 1992-02-13 | 1994-02-09 | The Dow Chemical Company | Method and apparatus for handling molten metals |
JPH08150460A (en) * | 1994-11-28 | 1996-06-11 | Meichiyuu:Kk | Device for drawing up molten metal |
US6306338B1 (en) * | 1998-09-10 | 2001-10-23 | Ing. Rauch Fertigungstechnik Gesellschaft M.B.H. | Melt withdrawal device for melt furnaces for charging casting machines |
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CN204276853U (en) * | 2014-11-20 | 2015-04-22 | 苏州凯宥电子科技有限公司 | A kind of efficient high vacuum former of conventional die-cast metal alloy |
CN205032700U (en) * | 2015-09-23 | 2016-02-17 | 东莞市宏幸工业炉制造有限公司 | Automatic quantitative stove of magnesium alloy |
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