CN203649365U - Quantitative furnace of magnesium alloy vacuum suction die-casting machine - Google Patents
Quantitative furnace of magnesium alloy vacuum suction die-casting machine Download PDFInfo
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- CN203649365U CN203649365U CN201320823619.3U CN201320823619U CN203649365U CN 203649365 U CN203649365 U CN 203649365U CN 201320823619 U CN201320823619 U CN 201320823619U CN 203649365 U CN203649365 U CN 203649365U
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Abstract
The utility model belongs to the technical field of die-casting equipment, and particularly relates to a quantitative furnace of a magnesium alloy vacuum suction die-casting machine. The quantitative furnace of the magnesium alloy vacuum suction die-casting machine resolves the technical problems that the design in the prior art is not reasonable enough and blockage is caused easily. The quantitative furnace of the magnesium alloy vacuum suction die-casting machine comprises a base frame and a melting crucible which is arranged on the base frame and provided with a melting passage, wherein one end of the melting passage is a feeding port, the other end of the melting passage is provided with a discharging pipe, and the outer wall of the melting crucible is provided with a heating heat-preservation structure. The quantitative furnace of the magnesium alloy vacuum suction die-casting machine is characterized in that the end, provided with the discharging pipe, of the melting passage is provided with a cast material quantitative mechanism communicated with the discharging pipe, and a vacuumizing mechanism is arranged between the cast material quantitative mechanism and the melting crucible. Compared with the prior art, the quantitative furnace of the magnesium alloy vacuum suction die-casting machine has the advantages of being more reasonable in design, being not blocked easily and achieving quantitative distribution.
Description
Technical field
The utility model belongs to die casting equipment technical field, especially relates to the quantitative stove of a kind of magnesium alloy vacuum suction pressure casting machine.
Background technology
At present, conventional magnesium alloy pressure-casting is mainly configured to quantitative pouring stove both at home and abroad: the compositions such as heating furnace, two chambers crucible, vane type magnesium liquid constant displacement pump, discharge nozzle, control system and hoistable platform.Magnesium ingot adds in airtight crucible by charge door, after melting chamber fusing, enters moist closet, then by vane type or screw type quantitative pump by magnesium liquid pump to discharge nozzle, finally enter die casting machine material cup and carry out die casting, complete a die casting cyclic process.This kind of device is to preventing that the oxidation in magnesium alloy smelting process from being effective, but owing to only having focused on preventing the oxidation of smelting and pouring magnesium alloy process, it is very inconvenient that the operation making becomes, because this kind of type of furnace aspect ratio is higher, normal feeding in raw material is difficult to carry out, even discharging opening or often obstruction like this, per tour need to be cleared up several times, otherwise just cannot normally produce.In addition, the crucible of this pouring furnace also must periodic cleaning, avoids alloy slag to affect product quality in crucible bottom accumulation for a long time.
For this reason, people have carried out long-term exploration, have proposed various solutions.For example; Chinese patent literature discloses a kind of mixed magnesium [application number: 200920270772.1]; it comprises furnace shell; be lined with insulation material at described furnace shell inwall; insulation material dividing plate melts installing zone and crucible heat insulation installing zone by being separated into crucible in furnace shell; the bottom, the top that are positioned at the sidewall of crucible thawing installing zone have burner installing hole, exhaust smoke hole and the first thermocouple jack, and the sidewall that is positioned at crucible heat insulation installing zone has discharging opening, the second thermocouple jack, heating rod hole successively; A crucible is suspended in furnace shell, and crucible comprises crucible body, is connected with dividing plate to form melt zone and heat preservation zone in crucible body in crucible body; Crucible body diapire is supported on insulation material dividing plate, has charging hole, thermocouple jack, protection gas hand-hole and hole except cinder hole, level probe jack and dnockout pump installing hole on crucible cover.Above-mentioned scheme has been improved prior art to a certain extent, but this scheme still exists the magnesium alloy molten metal scale of construction can not accurately control and the problem such as the oxidation of magnesium alloy molten metal and the obstruction of carrier pipe, poor practicability and have potential safety hazard while using.
Utility model content
The purpose of this utility model is for the problems referred to above, provide a kind of practical and can avoid stop up the quantitative stove of magnesium alloy vacuum suction pressure casting machine.
For achieving the above object, the utility model has adopted following technical proposal: the quantitative stove of this magnesium alloy vacuum suction pressure casting machine comprises underframe and is arranged on underframe and has the fusion crucible of melting channel, one end of melting channel is charge door, the other end is provided with discharge nozzle, be provided with heating and thermal insulation structure at the outer wall of fusion crucible, it is characterized in that, one end that described melting channel is provided with discharge nozzle is provided with the casting materials quantitative mechanism being communicated with discharge nozzle, between casting materials quantitative mechanism and fusion crucible, is provided with vacuum device.Vacuum device can prevent that discharge nozzle from stopping up and avoiding fusion crucible to clear up frequently.
In the above-mentioned quantitative stove of magnesium alloy vacuum suction pressure casting machine, described casting materials quantitative mechanism comprises that one end inserts in the feeding tube in the discharging opening of described melting channel, at the coconnected vacuum quantitative tank of feeding tube be connected to the discharge nozzle on vacuum quantitative tank, be provided with the quantitative probe that one end inserts in vacuum quantitative tank inside in vacuum quantitative tank top, thereby described discharge nozzle is provided with and can, according to the control device of discharge nozzle described in the signal blocking-up of quantitatively probe input or conducting, on described feeding tube and vacuum quantitative tank, be respectively equipped with heating and heat-insulating device.
In the above-mentioned quantitative stove of magnesium alloy vacuum suction pressure casting machine, described vacuum device comprises vacuum exhaust pipe, and described vacuum exhaust pipe one end is communicated with vacuum quantitative tank, and the other end is communicated with the melting channel of fusion crucible.
In the above-mentioned quantitative stove of magnesium alloy vacuum suction pressure casting machine, described control device comprises the control valve being arranged on discharge nozzle, and described control valve is connected with the driving mechanism that can drive it by discharge nozzle blocking-up or conducting.
In the above-mentioned quantitative stove of magnesium alloy vacuum suction pressure casting machine, described driving mechanism comprises driving cylinder, on the piston rod of driving cylinder, is hinged with connector, and described connector and control valve are fixedly linked, and drives the tail end of cylinder to be hinged on underframe.
In the above-mentioned quantitative stove of magnesium alloy vacuum suction pressure casting machine, described heating and heat-insulating device comprises the heat-insulation layer that is coated on feeding tube and vacuum quantitative tank outer surface, is arranged with induction coil at the outer surface of heat-insulation layer.This heat-insulation layer is heat-preservation cotton.
In the above-mentioned quantitative stove of magnesium alloy vacuum suction pressure casting machine, described fusion crucible is provided with can be respectively by the capping of described melting channel charge door and discharging opening sealing.
In the above-mentioned quantitative stove of magnesium alloy vacuum suction pressure casting machine, described underframe is provided with shell and crucible holder, and described fusion crucible is fixed on crucible holder and is positioned at shell.
In the above-mentioned quantitative stove of magnesium alloy vacuum suction pressure casting machine, described fusion crucible comprises direct tube section placed in the middle, two ends at direct tube section have respectively charge pipe and curved pipe, described direct tube section and the charge pipe formula that is connected as a single entity, described capping is separately positioned on charge pipe and curved pipe one end away from direct tube section, and described feeding tube feed end inserts in curved pipe and extends in direct tube section.
In the above-mentioned quantitative stove of magnesium alloy vacuum suction pressure casting machine, described heating and thermal insulation structure comprises the heat-preservation cotton that is coated on respectively the thermal insulation coatings layer of direct tube section, charge pipe and curved pipe outer wall and is arranged on this thermal insulation coatings layer outer surface, is provided with the induction heating circle that is arranged on heat-preservation cotton outer surface at direct tube section outer wall.Induction heating circle is eddy-current heating silk, and eddy-current heating silk is wrapped in heat-preservation cotton outer surface.
Compared with prior art, the advantage of the quantitative stove of this magnesium alloy vacuum suction pressure casting machine is: 1, realize quantitative casting, can greatly lower the generation of the oxide inclusion of magnesium alloy in casting process; 2, can prevent the obstruction of magnesium alloy in fusion crucible and discharge nozzle, after long time continuous working, also not need crucible to clear up; 3, feed in raw material conveniently and do not have potential safety hazard.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model provides.
In figure, underframe 1, shell 11, crucible holder 12, fusion crucible 2, melting channel 2a, capping 21, direct tube section 22, charge pipe 23, curved pipe 24, heating and thermal insulation structure 3, thermal insulation coatings layer 31, heat-preservation cotton 32, induction heating circle 33, casting materials quantitative mechanism 4, feeding tube 41, vacuum quantitative tank 42, discharge nozzle 43, quantitative probe 44, control device 45, control valve 45a, driving cylinder 45b, piston rod 45c, connector 45d, heating and heat-insulating device 46, induction coil 46a, heat-insulation layer 46b, vacuum device 5, vacuum exhaust pipe 51.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
As shown in Figure 1, the quantitative stove of this magnesium alloy vacuum suction pressure casting machine comprises underframe 1 and is arranged on underframe 1 and has the fusion crucible 2 of melting channel 2a, one end of melting channel 2a is charge door, the other end is provided with discharge nozzle 43, on fusion crucible 2, being provided with can be respectively by the capping 21 of described melting channel 2a charge door and discharging opening sealing, secondly, on underframe 1, be provided with shell 11 and crucible holder 12, described fusion crucible 2 is fixed on crucible holder 12 and is positioned at shell 11, be provided with heating and thermal insulation structure 3 at the outer wall of fusion crucible 2, the one end that is provided with discharge nozzle 43 at this melting channel 2a is provided with the casting materials quantitative mechanism 4 being communicated with discharge nozzle 43, between casting materials quantitative mechanism 4 and fusion crucible 2, be provided with vacuum device 5.
Specifically, the casting materials quantitative mechanism 4 of the present embodiment comprises that one end inserts in the feeding tube 41 in the discharging opening of described melting channel 2a, at the coconnected vacuum quantitative tank of feeding tube 41 42 be connected to the discharge nozzle 43 on vacuum quantitative tank 42, be provided with one end at vacuum quantitative tank 42 tops and insert in the quantitative probe 44 of vacuum quantitative tank 42 inside, can be according to the control device 45 of discharge nozzle 43 described in signal blocking-up that quantitatively probe 44 be inputted or conducting thereby be provided with on discharge nozzle 43, on feeding tube 41 and vacuum quantitative tank 42, be respectively equipped with heating and heat-insulating device 46, this heating and heat-insulating device 46 comprises the heat-insulation layer 46b that is coated on feeding tube 41 and vacuum quantitative tank 42 outer surfaces, be arranged with induction coil 46a at the outer surface of heat-insulation layer 46b, this heat-insulation layer 46b is heat-preservation cotton.
In addition, vacuum device 5 comprises vacuum exhaust pipe 51, and described vacuum exhaust pipe 51 one end are communicated with vacuum quantitative tank 42, and the other end is communicated with the melting channel 2a of fusion crucible 2.
Further, above-mentioned control device 45 comprises the control valve 45a being arranged on discharge nozzle 43, described control valve 45a with can drive it that discharge nozzle 43 is blocked or the driving mechanism of conducting is connected.Concrete, this driving mechanism comprises driving cylinder 45b, on the piston rod 45c of driving cylinder 45b, is hinged with connector 45d, described connector 45d and control valve 45a are fixedly linked, and drive the tail end of cylinder 45b to be hinged on underframe 1.
The fusion crucible 2 of the present embodiment comprises direct tube section placed in the middle 22, there is respectively charge pipe 23 and curved pipe 24 at the two ends of direct tube section 22, described direct tube section 22 and charge pipe 23 formula that is connected as a single entity, described capping 21 is separately positioned on charge pipe 23 and curved pipe 24 one end away from direct tube section 22, and described feeding tube 41 feed ends insert in curved pipe 24 and extend in direct tube section 22; In addition, heating and thermal insulation structure 3 comprises the thermal insulation coatings layer 31 that is coated on respectively direct tube section 22, charge pipe 23 and curved pipe 24 outer walls and the heat-preservation cotton 32 that is arranged on these thermal insulation coatings layer 31 outer surfaces, be provided with the induction heating circle 33 that is arranged on heat-preservation cotton 32 outer surfaces at direct tube section 22 outer walls, induction heating circle 33 is eddy-current heating silk, and eddy-current heating silk is wrapped in heat-preservation cotton 32 outer surfaces.
The operation principle of the present embodiment is as follows: when after magnesium alloy fusing, in fusion crucible 2, be full of magnesium metal liquid, in the time starting to bleed under the effect of vacuum exhaust pipe 51 at source of the gas, magnesium metal liquid can enter vacuum quantitative tank 42 from feeding tube 41, because air pressure in vacuum quantitative tank 42 is at this moment lower, so vacuum quantitative tank 42 can not cause burning because of long-time use, simultaneously, because the discharging opening of molten metal discharge nozzle 43 is very near apart from die casting machine cup distance, can in the time that magnesium metal liquid enters die casting machine cup, not produce and excessively wash away and turbulent flow, cause the defect that burning is serious and the inner bits content of foundry goods increases,
After induction heating circle 33 energisings, induction heating circle 33 is at the interior generation induced-current of fusion crucible 2 heat fused crucible 2, simultaneously, another induction coil 46a of energising also heats feeding tube 41 and vacuum quantitative tank 42, in the time that temperature reaches magnesium alloy fusion temperature, the liquid level of surveying vacuum quantitative tank 42 by controlling quantitative probe 44 just can be controlled the discharge of magnesium alloy melt, thereby reach the object of quantitative pouring, magnesium alloy melt enters die casting machine cup through discharge nozzle 43 and carries out Die Casting.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used underframe 1 herein, shell 11, crucible holder 12, fusion crucible 2, melting channel 2a, capping 21, direct tube section 22, charge pipe 23, curved pipe 24, heating and thermal insulation structure 3, thermal insulation coatings layer 31, heat-preservation cotton 32, induction heating circle 33, casting materials quantitative mechanism 4, feeding tube 41, vacuum quantitative tank 42, discharge nozzle 43, quantitatively probe 44, control device 45, control valve 45a, drive cylinder 45b, piston rod 45c, connector 45d, heating and heat-insulating device 46, induction coil 46a, heat-insulation layer 46b, vacuum device 5, vacuum exhaust pipe 51 terms such as grade, but do not get rid of the possibility that uses other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (10)
1. the quantitative stove of magnesium alloy vacuum suction pressure casting machine, comprise underframe (1) and be arranged on underframe (1) fusion crucible (2) of going up and have melting channel (2a), one end of melting channel (2a) is charge door, the other end is provided with discharge nozzle (43), be provided with heating and thermal insulation structure (3) at the outer wall of fusion crucible (2), it is characterized in that, one end that described melting channel (2a) is provided with discharge nozzle (43) is provided with the casting materials quantitative mechanism (4) being communicated with discharge nozzle (43), between casting materials quantitative mechanism (4) and fusion crucible (2), be provided with vacuum device (5).
2. the quantitative stove of magnesium alloy vacuum suction pressure casting machine according to claim 1, it is characterized in that, described casting materials quantitative mechanism (4) comprises that one end inserts in the feeding tube (41) in the discharging opening of described melting channel (2a), at the coconnected vacuum quantitative tank of feeding tube (41) (42) be connected to the discharge nozzle (43) on vacuum quantitative tank (42), be provided with one end at vacuum quantitative tank (42) top and insert in the inner quantitative probe (44) of vacuum quantitative tank (42), described discharge nozzle (43) is provided with can be according to quantitative probe (44) thereby the control device (45) of discharge nozzle (43) described in the signal blocking-up of input or conducting, on described feeding tube (41) and vacuum quantitative tank (42), be respectively equipped with heating and heat-insulating device (46).
3. the quantitative stove of magnesium alloy vacuum suction pressure casting machine according to claim 2, it is characterized in that, described vacuum device (5) comprises vacuum exhaust pipe (51), described vacuum exhaust pipe (51) one end is communicated with vacuum quantitative tank (42), and the other end is communicated with the melting channel (2a) of fusion crucible (2).
4. according to the quantitative stove of magnesium alloy vacuum suction pressure casting machine described in claim 2 or 3, it is characterized in that, described control device (45) comprises the control valve (45a) being arranged on discharge nozzle (43), and described control valve (45a) is connected with the driving mechanism that can drive it by discharge nozzle (43) blocking-up or conducting.
5. the quantitative stove of magnesium alloy vacuum suction pressure casting machine according to claim 4, it is characterized in that, described driving mechanism comprises driving cylinder (45b), on the piston rod (45c) of driving cylinder (45b), be hinged with connector (45d), described connector (45d) is fixedly linked with control valve (45a), drives the tail end of cylinder (45b) to be hinged on underframe (1).
6. according to the quantitative stove of magnesium alloy vacuum suction pressure casting machine described in claim 2 or 3, it is characterized in that, described heating and heat-insulating device (46) comprises the heat-insulation layer (46b) that is coated on feeding tube (41) and vacuum quantitative tank (42) outer surface, is arranged with induction coil (46a) at the outer surface of heat-insulation layer (46b).
7. according to the quantitative stove of magnesium alloy vacuum suction pressure casting machine described in claim 2 or 3, it is characterized in that, described fusion crucible (2) is provided with can be respectively by the capping (21) of described melting channel (2a) charge door and discharging opening sealing.
8. the quantitative stove of magnesium alloy vacuum suction pressure casting machine according to claim 7, it is characterized in that, described underframe (1) is provided with shell (11) and crucible holder (12), and described fusion crucible (2) is fixed on crucible holder (12) above and is positioned at shell (11).
9. the quantitative stove of magnesium alloy vacuum suction pressure casting machine according to claim 8, it is characterized in that, described fusion crucible (2) comprises direct tube section placed in the middle (22), there is respectively charge pipe (23) and curved pipe (24) at the two ends of direct tube section (22), described direct tube section (22) and charge pipe (23) formula that is connected as a single entity, described capping (21) is separately positioned on charge pipe (23) and curved pipe (24) one end away from direct tube section (22), and described feeding tube (41) feed end inserts in curved pipe (24) and extends in direct tube section (22).
10. the quantitative stove of magnesium alloy vacuum suction pressure casting machine according to claim 9, it is characterized in that, described heating and thermal insulation structure (3) comprises the thermal insulation coatings layer (31) that is coated on respectively direct tube section (22), charge pipe (23) and curved pipe (24) outer wall and the heat-preservation cotton (32) that is arranged on this thermal insulation coatings layer (31) outer surface, is provided with the induction heating circle (33) that is arranged on heat-preservation cotton (32) outer surface at direct tube section (22) outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320823619.3U CN203649365U (en) | 2013-12-11 | 2013-12-11 | Quantitative furnace of magnesium alloy vacuum suction die-casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320823619.3U CN203649365U (en) | 2013-12-11 | 2013-12-11 | Quantitative furnace of magnesium alloy vacuum suction die-casting machine |
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| Publication Number | Publication Date |
|---|---|
| CN203649365U true CN203649365U (en) | 2014-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320823619.3U Expired - Fee Related CN203649365U (en) | 2013-12-11 | 2013-12-11 | Quantitative furnace of magnesium alloy vacuum suction die-casting machine |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104874765A (en) * | 2015-06-12 | 2015-09-02 | 东莞帕姆蒂昊宇液态金属有限公司 | Material supply device and material supply method of vertical type die casting machine |
| CN105057633A (en) * | 2015-07-20 | 2015-11-18 | 广东科达洁能股份有限公司 | Quantitive molten metal vacuum scooping device |
| CN105195711A (en) * | 2015-10-20 | 2015-12-30 | 无锡格莱德科技有限公司 | Die-casting dosage precisely-controlled die-casting machine |
| CN109865816A (en) * | 2019-04-08 | 2019-06-11 | 苏州孝东金属制品有限公司 | A kind of die casting machine high-precision alloy quantitative material feeder |
| CN111889660A (en) * | 2020-08-04 | 2020-11-06 | 天津宏镁科技有限公司 | Magnesium alloy rapid melting device and quantitative control discharging system thereof |
| CN114247872A (en) * | 2021-11-30 | 2022-03-29 | 天能电池集团股份有限公司 | Cast-weld system and cast-weld method for quantitative lead adding of lead storage battery |
-
2013
- 2013-12-11 CN CN201320823619.3U patent/CN203649365U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104874765A (en) * | 2015-06-12 | 2015-09-02 | 东莞帕姆蒂昊宇液态金属有限公司 | Material supply device and material supply method of vertical type die casting machine |
| CN105057633A (en) * | 2015-07-20 | 2015-11-18 | 广东科达洁能股份有限公司 | Quantitive molten metal vacuum scooping device |
| CN105195711A (en) * | 2015-10-20 | 2015-12-30 | 无锡格莱德科技有限公司 | Die-casting dosage precisely-controlled die-casting machine |
| CN109865816A (en) * | 2019-04-08 | 2019-06-11 | 苏州孝东金属制品有限公司 | A kind of die casting machine high-precision alloy quantitative material feeder |
| CN111889660A (en) * | 2020-08-04 | 2020-11-06 | 天津宏镁科技有限公司 | Magnesium alloy rapid melting device and quantitative control discharging system thereof |
| CN114247872A (en) * | 2021-11-30 | 2022-03-29 | 天能电池集团股份有限公司 | Cast-weld system and cast-weld method for quantitative lead adding of lead storage battery |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 Termination date: 20151211 |
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