CN105798274A - Device and method for impregnating pantograph slide strip with metal - Google Patents
Device and method for impregnating pantograph slide strip with metal Download PDFInfo
- Publication number
- CN105798274A CN105798274A CN201610337677.3A CN201610337677A CN105798274A CN 105798274 A CN105798274 A CN 105798274A CN 201610337677 A CN201610337677 A CN 201610337677A CN 105798274 A CN105798274 A CN 105798274A
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- valve
- metal
- draw runner
- bell jar
- moulding press
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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
- B22D23/00—Casting processes not provided for in groups B22D1/00 - B22D21/00
- B22D23/04—Casting by dipping
Abstract
The invention discloses a device for impregnating a pantograph slide strip with a metal. The device comprises a molding press device, a vacuum pump, an air compressor and a melting furnace, wherein the molding press device comprises a molding press, a bell jar and a graphite boat. The carbon slide strip is automatically impregnated with the metal through a fit structure of the molding press device, the vacuum pump, the air compressor and the melting furnace, the whole process is reasonable to arrange, the device is simple and convenient to operate and works smoothly, the labor intensity is low, the working efficiency is high, the cost is relatively reduced, an operator can master the device more easily, the metal impregnating time and pressure are greatly reduced, the danger coefficient is reduced, and the economic benefit is significant.
Description
Technical field
The invention still further relates to a kind of device and method, particularly relate to a kind of device and method being exclusively used in pantograph draw runner leaching metal, belong to pantograph pan preparing technical field.
Background technology
Along with the speed of electric locomotive improves constantly, the material of pantograph pan is also in continuous improvement, can be seen that from the Materials of pantograph pan, unavoidable in carbon slipper after baking exist some pores in various degree, simply the size of these pores there are differences, existence due to pore so that the weakness of pantograph pan is more and more prominent；Process so that the carbon draw runner after roasting to be carried out leaching metal, to reach the index request of physics and chemistry；Impregnating metal is to utilize metal liquid to be filled up by the pore of carbon draw runner under the effect of the pressure, thus forming the carbon bar of dense structure.
Therefore, in the course of processing of pantograph pan, soak metal to carbon draw runner and just become a committed step.
And carbon draw runner is mainly heated by the method for traditional impregnating metal, then after metal melt, metal is poured in the container equipped with carbon draw runner by the mode manually carried a sedan, then suppress being made directly after on bell jar cover, finally carbon draw runner is taken out.
Said method usually not adopts vacuum extractor.
In prior art, also having and much adopt vacuum extractor, even with vacuum extractor, most is also adopt above-mentioned step, i.e. evacuation-suppress-pressure release-go out carbon bar.
Such processing method is usually present following shortcoming: one, the amount of labour is big, many, danger coefficient height consuming time；Two, manual operation is difficult, cost is high；Three, the permeability of impregnating metal is not high.
Summary of the invention
The present invention is in order to make up the deficiencies in the prior art, it is provided that a kind of device soaking metal for pantograph draw runner, and this device is to utilize moulding press device, vacuum extractor that metal permeates pantograph carbon draw runner completely, improves the permeability of carbon draw runner impregnating metal；The present invention also provides for the method for a kind of pantograph draw runner leaching metal, and the method utilizes said apparatus to reduce manual operation, reduces the unnecessary step of some impregnating metals, reduces danger coefficient.
For achieving the above object, the present invention adopts the technical scheme that:
A kind of device soaking metal for pantograph draw runner, including moulding press device, vacuum pump, air compressor machine, fusing stove；Described vacuum pump is arranged on the left side of moulding press device, and installs pipes with moulding press and be connected；Described air compressor machine is arranged on the right side of moulding press device, and installs pipes with moulding press and be connected；Described fusing stove is arranged on the right side of air compressor machine, and installs pipes with moulding press and be connected；Described moulding press device includes moulding press, bell jar, graphite boat；Described bell jar is arranged on the base of moulding press；Described graphite boat arranges the inside of bell jar, and fixing with bell jar is connected；The left side of described bell jar is provided with two manholes, respectively the first through hole, the second through hole；Described first through hole is provided with a pipeline, is the first pipeline；Described bell jar is connected with vacuum pump by this first pipeline, thus moulding press device and vacuum pump being linked together；Described second through hole is provided with vacuum meter；The right side of described bell jar also is provided with two manholes, respectively third through-hole, fourth hole；Described third through-hole is provided with a pipeline, and for second pipe, described bell jar is connected with fusing stove by this second pipe, thus being linked together with fusing stove by moulding press device；Described fourth hole is provided with Pressure gauge；Described bell jar be arranged on moulding press mould.
Improving further, described graphite boat is cuboid graphite boat.
Changing machine further, described air compressor machine is provided with a pipeline, is the 3rd pipeline；Described air compressor machine is connected with moulding press device by the 3rd pipeline；Described 3rd pipeline is connected with second pipe.
Improving further, the end of described second pipe is provided with a graphite-pipe；Described graphite-pipe extends in fusing stove, and is connected with metal liquid in fusing stove.
Improving further, described first pipeline is provided with one for the valve that air extraction controls, and is the first valve；Described second pipe is provided with a valve for controlling metal liquid flow, is the second valve；Described 3rd pipeline is provided with a valve for controlling pressure size, is the 3rd valve.
Improve further, be provided with a connecting tube in described second through hole, be the first connecting tube；Described second through hole is connected with vacuum meter by this first connecting tube, thus vacuum meter and bell jar being linked together；Described first connecting tube is provided with a valve controlling vacuum meter numerical values recited, is the 4th valve.
Improve further, also be provided with a connecting tube in described fourth hole, be the second connecting tube；Described fourth hole is connected with Pressure gauge by this second connecting tube, thus Pressure gauge and bell jar being linked together；Described second connecting tube is provided with a valve for controlling Pressure gauge numerical values recited, is the 5th valve.
Improving further, described moulding press is provided with heating system, and described heating system is provided with steel plate；Described bell jar is fixed on this steel plate.
A kind of method soaking metal for pantograph draw runner, the method is to utilize said apparatus to carry out impregnating metal, specifically comprises the following steps that
Step one, metal to be impregnated is placed on fusing stove in melt, become metal liquid；
Step 2, baked carbon draw runner is placed in graphite boat；
Step 3, the graphite boat in step 2 is placed on the steel plate in the heating system of moulding press, then cover upper inverted bell；
Step 4, to heating system electrified regulation, the carbon draw runner in graphite boat is heated, this process to ensure that the temperature of carbon draw runner controls at about 500 DEG C；
Step 5, closing the second valve, the 3rd valve and the 5th valve, bell jar is carried out evacuation, this process still needs to ensure that the temperature of carbon draw runner controls at about 500 DEG C；After the vacuum values on vacuum meter reaches 0.09, open the second valve, utilize the effect of negative pressure of vacuum to be promptly inhaled in graphite boat by second pipe by the metal liquid melted in step one, make metal liquid be completely infused in carbon draw runner；
Step 6, it is then shut off the second valve, continues evacuation, after the vacuum values of vacuum meter reaches predetermined requirement numerical value, close the first valve, the 4th valve, opening the 5th valve and the 3rd valve simultaneously, utilize air compressor machine to suppress in bell jar, this pressure process controlled at 18Mpa/ minute；After reaching predetermined value with the pressure value on Pressure gauge, closing the 5th valve, the 3rd valve, then carry out pressure release, product is taken out in pressure release after completing, and makes remaining metal liquid be back in fusing stove.
This process can be automatically performed carbon draw runner impregnating metal on the one hand, need not manually carry again, convenient and swift, time saving and energy saving；Substantially increase the permeability of impregnating metal, decrease manually-operated danger coefficient.
Compared with prior art, adopt such scheme, the invention has the beneficial effects as follows: the present invention utilizes moulding press device, vacuum pump, air compressor machine, fusing stove fit structure to realize being automatically performed of carbon draw runner impregnating metal, whole procedure layout is reasonable, simple to operation, work smoothness, labor intensity is little, work efficiency is high, cost relative reduction, operative employee are also easier left-hand seat, greatly reduce time and the pressure of impregnating metal, reduce danger coefficient, remarkable in economical benefits.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Wherein: 1, vacuum pump；2, the first pipeline；3, the first valve；4, vacuum meter；5, the 4th valve；6, the first connecting tube；7, bell jar；8, graphite boat；9, carbon draw runner；10, mould on moulding press；11, second pipe；12, the second connecting tube；13, the 5th valve；14, Pressure gauge；15, the second valve；16, the 3rd valve；17, the 3rd pipeline；18, graphite-pipe；19, metal liquid；20, fusing stove；21, air compressor machine；22, steel plate；23, heating system；24, the base of moulding press.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described.
As it is shown in figure 1, a kind of device soaking metal for pantograph draw runner, including moulding press device, vacuum pump 1, air compressor machine 21, fusing stove 20；Described vacuum pump 1 is arranged on the left side of moulding press device, and installs pipes with moulding press and be connected；Described air compressor machine 21 is arranged on the right side of moulding press device, and installs pipes with moulding press and be connected；Described fusing stove 20 is arranged on the right side of air compressor machine 21, and installs pipes with moulding press and be connected.
Described moulding press device includes moulding press, bell jar 7, graphite boat 8.
In the present embodiment, graphite boat 8 is cuboid graphite boat, it is possible to be called graphite Noah's ark, is the rectangular-shaped graphite boat utilizing graphite products to process；During impregnating metal, carbon draw runner is placed in this graphite boat 8.
Described bell jar 7 is fixedly mounted on the base 24 of moulding press.
Bell jar 7 is offered four manholes, lays respectively on the left and right sides end face of bell jar 7.
Two manholes that the left side of bell jar 7 is offered, respectively the first through hole (not indicating in figure), the second through hole (not indicating in figure)；First through hole is installed a connection pipeline, is the first pipeline 2；The other end of the first pipeline 2 is arranged in vacuum pump 1, is connected with vacuum pump 1 by the first pipeline 2 by bell jar 7, and then moulding press device and vacuum pump 1 is linked together.
In order to control the speed of evacuation, the first pipeline 2 is installed one for the valve that air extraction controls, be the first valve 3, by this first valve 3 evacuation.
One connecting tube is installed in the second through hole, is the first connecting tube 6；The other end of the first connecting tube 6 installs a vacuum meter 4, utilizes this vacuum meter 4 to detect the vacuum in bell jar 7；Vacuum meter 4 is connected on bell jar by this first connecting tube 6；For the value of predetermined vacuum degree better, the first connecting tube 6 is installed a valve, is the 4th valve 5, utilizes the 4th valve 6 to control vacuum meter numerical values recited.
Two manholes that the right side of bell jar 7 is offered, respectively third through-hole (not indicating in figure), fourth hole (not indicating in figure)；Also installing a pipeline on third through-hole, for second pipe 11, the other end graphite-pipe 18 of second pipe 11, this graphite-pipe 18 extend in fusing stove 20, and metal liquid 19 certain depth in fusing stove 20 that submerges；Bell jar 7 is made to be connected with fusing stove 20 by second pipe 11, graphite-pipe 18, thus being linked together with fusing stove 20 by moulding press device.
In order to better control over the flow of metal liquid 19, second pipe 11 is provided with a valve for controlling metal liquid flow, is the second valve 15.
Described air compressor machine 21 is provided with a pipeline, is the 3rd pipeline 17；Described air compressor machine 21 is connected with moulding press device by the 3rd pipeline 17；Described 3rd pipeline 17 is connected with second pipe 11.
In order to better control pouring into of pressure, on the 3rd pipeline 17, a valve being used for controlling pressure size, is the 3rd valve 16.
One connecting tube is also installed in described fourth hole, is the second connecting tube 12；The other end of the second connecting tube 12 installs a Pressure gauge 14；This Pressure gauge 14 is utilized to detect the force value in bell jar 7；In order to better control force value, the second connecting tube 12 is installed a valve, is the 5th valve 13, utilizes the 5th valve 13 to control Pressure gauge numerical values recited.
Described moulding press is provided with heating system 23, and described heating system 23 is provided with steel plate 22；Described bell jar 7 is fixed on this steel plate 22.
In the present embodiment, described heating system 23 is electric heating system；Specifically, for having the temperature-adjustable electric heating system of temp. controllable function.
In the present embodiment, the form and dimension of heating system 23 is identical with graphite boat 8.
In the present embodiment, described steel plate 22 is corrosion resistant plate, specifically, for preventing high temperature and the corrosion resistant plate not being deformed because of high temperature.
In the present embodiment, the first pipeline 6, second pipe the 11, the 3rd pipeline 17 are the stainless steel pipes of thickening.
In the present embodiment, in order to carry out pressure release better, bell jar 7 is provided with on moulding press mould 10；Utilize mould 10 on moulding press that bell jar is suppressed；Make bell jar 7 pressure release.
A kind of method soaking metal for pantograph draw runner, the method is to utilize said apparatus to carry out impregnating metal, specifically comprises the following steps that
Step one, metal to be impregnated is placed on fusing stove in melt, become metal liquid；
Step 2, baked carbon draw runner 9 is placed in graphite boat 8；
Step 3, the graphite boat 8 in step 2 is placed on the steel plate 22 in the heating system 23 of moulding press, then cover upper inverted bell 7；
Step 4, to heating system 23 electrified regulation, the carbon draw runner 9 in graphite boat 8 is heated, this process to ensure that the temperature of carbon draw runner 9 controls at about 500 DEG C；
Step 5, closing the second valve the 15, the 3rd valve 16 and the 5th valve 13, bell jar 7 is carried out evacuation, this process still needs to ensure that the temperature of carbon draw runner 9 controls at about 500 DEG C；After the vacuum values on vacuum meter 4 reaches 0.09, open the second valve 15, the metal liquid 19 melted in step one is promptly inhaled in graphite boat 8 by the effect utilizing negative pressure of vacuum by second pipe 11, makes metal liquid 19 be completely infused in carbon draw runner 9；
Step 6, it is then shut off the second valve 15, continue evacuation, after the vacuum values of vacuum meter 4 reaches predetermined requirement numerical value, close the first valve the 3, the 4th valve 5, open the 5th valve 13 and the 3rd valve 16 simultaneously, utilizing air compressor machine 21 to suppress in bell jar 7, this pressure process controlled at 18Mpa/ minute；After reaching predetermined value with the pressure value on Pressure gauge 14, closing the 5th valve the 13, the 3rd valve 16, then carry out pressure release, product is taken out in pressure release after completing, and makes remaining metal liquid be back in fusing stove.
This process can be automatically performed carbon draw runner impregnating metal on the one hand, need not manually carry again, convenient and swift, time saving and energy saving；Substantially increase the permeability of impregnating metal, decrease manually-operated danger coefficient.
The present invention utilizes moulding press device, vacuum pump, air compressor machine, fusing stove fit structure to realize being automatically performed of carbon draw runner impregnating metal, whole procedure layout is reasonable, simple to operation, work smoothness, labor intensity is little, work efficiency is high, cost relative reduction, operative employee are also easier left-hand seat, greatly reduce time and the pressure of impregnating metal, reduce danger coefficient, remarkable in economical benefits.
The present invention is not limited to above-mentioned specific embodiment, and those of ordinary skill in the art, from above-mentioned design, without performing creative labour, done all conversion, all falls within protection scope of the present invention.
Claims (9)
1. for a device for pantograph draw runner leaching metal, including moulding press device, vacuum pump, air compressor machine, fusing stove；Described vacuum pump is arranged on the left side of moulding press device, and installs pipes with moulding press and be connected；Described air compressor machine is arranged on the right side of moulding press device, and installs pipes with moulding press and be connected；Described fusing stove is arranged on the right side of air compressor machine, and installs pipes with moulding press and be connected；It is characterized in that: described moulding press device includes moulding press, bell jar, graphite boat；Described bell jar is arranged on the base of moulding press；Described graphite boat arranges the inside of bell jar, and fixing with bell jar is connected；The left side of described bell jar is provided with two manholes, respectively the first through hole, the second through hole；Described first through hole is provided with a pipeline, is the first pipeline；Described bell jar is connected with vacuum pump by this first pipeline, thus moulding press device and vacuum pump being linked together；Described second through hole is provided with vacuum meter；The right side of described bell jar also is provided with two manholes, respectively third through-hole, fourth hole；Described third through-hole is provided with a pipeline, and for second pipe, described bell jar is connected with fusing stove by this second pipe, thus being linked together with fusing stove by moulding press device；Described fourth hole is provided with Pressure gauge；Described bell jar be arranged on moulding press mould.
2. a kind of device soaking metal for pantograph draw runner according to claim 1, it is characterised in that: described graphite boat is cuboid graphite boat.
3. a kind of device soaking metal for pantograph draw runner according to claim 1, it is characterised in that: described air compressor machine is provided with a pipeline, is the 3rd pipeline；Described air compressor machine is connected with moulding press device by the 3rd pipeline；Described 3rd pipeline is connected with second pipe.
4. a kind of device soaking metal for pantograph draw runner according to claim 1, it is characterised in that: the end of described second pipe is provided with a graphite-pipe；Described graphite-pipe extends in fusing stove, and is connected with metal liquid in fusing stove.
5. a kind of device soaking metal for pantograph draw runner according to claim 1, it is characterised in that: described first pipeline is provided with one for the valve that air extraction controls, and is the first valve；Described second pipe is provided with a valve for controlling metal liquid flow, is the second valve；Described 3rd pipeline is provided with a valve for controlling pressure size, is the 3rd valve.
6. a kind of device soaking metal for pantograph draw runner according to claim 1, it is characterised in that: it is provided with a connecting tube in described second through hole, is the first connecting tube；Described second through hole is connected with vacuum meter by this first connecting tube, thus vacuum meter and bell jar being linked together；Described first connecting tube is provided with a valve controlling vacuum meter numerical values recited, is the 4th valve.
7. a kind of device soaking metal for pantograph draw runner according to claim 1, it is characterised in that: it also is provided with a connecting tube in described fourth hole, is the second connecting tube；Described fourth hole is connected with Pressure gauge by this second connecting tube, thus Pressure gauge and bell jar being linked together；Described second connecting tube is provided with a valve for controlling Pressure gauge numerical values recited, is the 5th valve.
8. a kind of device soaking metal for pantograph draw runner according to claim 1, it is characterised in that: described moulding press is provided with heating system, and described heating system is provided with steel plate；Described bell jar is fixed on this steel plate.
9. one kind for pantograph draw runner leaching metal method, it is characterised in that: the method be utilize in claim 1-8 as described in any one a kind of for pantograph draw runner soak metal device carry out impregnating metal, specifically comprise the following steps that
Step one, metal to be impregnated is placed on fusing stove in melt, become metal liquid；
Step 2, baked carbon draw runner is placed in graphite boat；
Step 3, the graphite boat in step 2 is placed on the steel plate in the heating system of moulding press, then cover upper inverted bell；
Step 4, to heating system electrified regulation, the carbon draw runner in graphite boat is heated, this process to ensure that the temperature of carbon draw runner controls at about 500 DEG C；
Step 5, closing the second valve, the 3rd valve and the 5th valve, bell jar is carried out evacuation, this process still needs to ensure that the temperature of carbon draw runner controls at about 500 DEG C；After the vacuum values on vacuum meter reaches 0.09, open the second valve, utilize the effect of negative pressure of vacuum to be promptly inhaled in graphite boat by second pipe by the metal liquid melted in step one, make metal liquid be completely infused in carbon draw runner；
Step 6, it is then shut off the second valve, continues evacuation, after the vacuum values of vacuum meter reaches predetermined requirement numerical value, close the first valve, the 4th valve, opening the 5th valve and the 3rd valve simultaneously, utilize air compressor machine to suppress in bell jar, this pressure process controlled at 18Mpa/ minute；After reaching predetermined value with the pressure value on Pressure gauge, closing the 5th valve, the 3rd valve, then carry out pressure release, product is taken out in pressure release after completing, and makes remaining metal liquid be back in fusing stove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610337677.3A CN105798274B (en) | 2016-05-22 | 2016-05-22 | A kind of device and method for pantograph draw runner leaching metal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610337677.3A CN105798274B (en) | 2016-05-22 | 2016-05-22 | A kind of device and method for pantograph draw runner leaching metal |
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| CN105798274A true CN105798274A (en) | 2016-07-27 |
| CN105798274B CN105798274B (en) | 2018-11-13 |
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| CN201610337677.3A Active CN105798274B (en) | 2016-05-22 | 2016-05-22 | A kind of device and method for pantograph draw runner leaching metal |
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| JP2009068027A (en) * | 2007-09-10 | 2009-04-02 | Toyota Motor Corp | Method for producing aluminum alloy casting |
| CN202684050U (en) * | 2012-07-05 | 2013-01-23 | 西北工业大学 | Vacuum pressure infiltration device for continuously preparing magnesium-based composite material irregular part |
| CN104525918A (en) * | 2015-01-14 | 2015-04-22 | 温州新科先进粉体材料有限公司 | Vacuum pressure infiltration device and system for pantograph metal-impregnated carbon sliding plate |
| CN204338867U (en) * | 2014-12-23 | 2015-05-20 | 广州市柏琳汽车零件制造有限公司 | A kind of vehicle-mounted air conditioner compressor housing vacuum, pressure impregnation device |
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2016
- 2016-05-22 CN CN201610337677.3A patent/CN105798274B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002158191A (en) * | 2000-11-22 | 2002-05-31 | Fujikura Ltd | Apparatus and method for filling metal in infinitesimal space |
| JP2009068027A (en) * | 2007-09-10 | 2009-04-02 | Toyota Motor Corp | Method for producing aluminum alloy casting |
| CN101219471A (en) * | 2008-01-22 | 2008-07-16 | 西北工业大学 | Device and method for producing integrated magnesium base composite material |
| CN202684050U (en) * | 2012-07-05 | 2013-01-23 | 西北工业大学 | Vacuum pressure infiltration device for continuously preparing magnesium-based composite material irregular part |
| CN204338867U (en) * | 2014-12-23 | 2015-05-20 | 广州市柏琳汽车零件制造有限公司 | A kind of vehicle-mounted air conditioner compressor housing vacuum, pressure impregnation device |
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| CN105798274B (en) | 2018-11-13 |
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