CN105798274B - A kind of device and method for pantograph draw runner leaching metal - Google Patents
A kind of device and method for pantograph draw runner leaching metal Download PDFInfo
- Publication number
- CN105798274B CN105798274B CN201610337677.3A CN201610337677A CN105798274B CN 105798274 B CN105798274 B CN 105798274B CN 201610337677 A CN201610337677 A CN 201610337677A CN 105798274 B CN105798274 B CN 105798274B
- Authority
- CN
- China
- Prior art keywords
- valve
- moulding press
- bell jar
- pipe
- draw runner
- 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.)
- Active
Links
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
The invention discloses a kind of devices soaking metal for pantograph draw runner, including moulding press device, vacuum pump, air compressor machine, melting furnace；The moulding press device includes moulding press, bell jar, graphite boat；The present invention realizes being automatically performed for carbon draw runner impregnating metal using moulding press device, vacuum pump, air compressor machine, melting furnace fit structure, whole process is rationally distributed, it is simple to operate, work is smooth, labor intensity is small, work efficiency is high, cost relative reduction, operative employee are also easier left-hand seat, the time for greatly reducing impregnating metal and pressure, reduce danger coefficient, remarkable in economical benefits.
Description
Technical field
The invention further relates to a kind of device and method more particularly to it is a kind of be exclusively used in pantograph draw runner soak metal device and
Method belongs to pantograph pan preparing technical field.
Background technology
It is continuously improved with the speed of electric locomotive, the material of pantograph pan is also constantly improving, and is slided from pantograph
The Materials of plate, which can be seen that, inevitably has some different degrees of stomatas in carbon slipper after baking, only these gas
The size in hole has differences, due to the presence of stomata so that the weakness of pantograph pan is more and more prominent；It thus needs to roasting
Carbon draw runner afterwards carries out leaching metal processing, to reach the index request of physics and chemistry；Impregnating metal is to utilize gold under the effect of the pressure
Belong to liquid to fill up the stomata of carbon draw runner, to form the carbon item of dense structure.
Therefore, in the process of pantograph pan, a committed step has been become to carbon draw runner leaching metal.
And the method for traditional impregnating metal mainly heats carbon draw runner, then after metal melt, manually lifts
The mode of sedan-chair pours into metal in the container equipped with carbon draw runner, then will directly suppress after on bell jar cover, finally carbon draw runner
Taking-up.
The above method usually not uses vacuum extractor.
In the prior art, also have and much use vacuum extractor, even with vacuum extractor, majority is also using above-mentioned
The step of, that is, vacuumize-suppress-pressure release-goes out carbon item.
Such processing method usually has the following disadvantages:One, the amount of labour is big, takes more, danger coefficient height；Two, artificial
It is operating difficulties, of high cost；Three, the permeability of impregnating metal is not high.
Invention content
The present invention in order to make up for the deficiencies of the prior art, provides a kind of device for pantograph draw runner leaching metal, the dress
It is that metal is permeated pantograph carbon draw runner completely using moulding press device, vacuum extractor to set, and improves carbon draw runner impregnating metal
Permeability；The present invention also provides a kind of method that pantograph draw runner soaks metal, this method reduces manual operation using above-mentioned apparatus,
The unnecessary step of some impregnating metals is reduced, danger coefficient is reduced.
To achieve the above object, the technical solution adopted by the present invention is that：
A kind of device for pantograph draw runner leaching metal, including moulding press device, vacuum pump, air compressor machine, melting furnace；Institute
It states vacuum pump to be arranged in the left side of moulding press device, and installs pipes and connect with moulding press；The air compressor machine is arranged in moulding press
The right side of device, and install pipes and connect with moulding press；The melting furnace is arranged on the right side of air compressor machine, and with moulding press device
Pipeline connects；The moulding press device includes moulding press, bell jar, graphite boat；On the pedestal of the bell jar setting moulding press；It is described
The inside of bell jar is arranged in graphite boat, and is fixedly connected with bell jar；It is set on the left of the bell jar there are two circular through hole, respectively the
One through-hole, the second through-hole；It is set in the first through hole there are one pipeline, is first pipe；The bell jar passes through the first pipe
It is connected with vacuum pump, to which moulding press device link together with vacuum pump；Second through-hole is equipped with vacuum meter；Institute
It states and also is provided with two circular through holes, respectively third through-hole, fourth hole on the right side of bell jar；There are one being set on the third through-hole
Pipeline is second pipe, and the bell jar is connected by the second pipe with melting furnace, thus by moulding press device and melting furnace
It links together；The fourth hole is equipped with pressure gauge；The top of the bell jar is equipped with moulding press upper mold.
It is further improved, the graphite boat is cuboid graphite boat.
Further change machine, set on the air compressor machine there are one pipeline, is third pipeline；The air compressor machine passes through the third pipe
Road is connected with moulding press device；The third pipeline is connected with second pipe.
It is further improved, the end of the second pipe sets that there are one graphite-pipes；The graphite-pipe extends in melting furnace, and
It is connected with metal liquid in melting furnace.
It is further improved, is set in the first pipe there are one the valve for extracting control for air, be the first valve；Institute
It states and is set on second pipe there are one the valve for controlling metal liquid flow, be the second valve；The third pipeline is equipped with
One valve for being used for control pressure size is third valve.
It is further improved, is set in second through-hole there are one connecting tube, be the first connecting tube；Second through-hole passes through
First connecting tube is connected with vacuum meter, to which vacuum meter and bell jar link together；First connecting tube is equipped with
The valve of one control vacuum meter numerical values recited is the 4th valve.
It is further improved, a connecting tube also is provided in the fourth hole, be the second connecting tube；The fourth hole is logical
It crosses second connecting tube with pressure gauge to be connected, to which pressure gauge and bell jar link together；It is set in second connecting tube
There are one the valves for being used for control pressure table numerical values recited, are the 5th valve.
It is further improved, the moulding press is equipped with heating system, and the heating system is equipped with steel plate；The bell jar is solid
It is scheduled on the steel plate.
A method of metal being soaked for pantograph draw runner, this method is to carry out impregnating metal using above-mentioned apparatus, specifically
Steps are as follows：
Melt Step 1: metal to be impregnated is placed in melting furnace, becomes 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: giving heating system electrified regulation, the carbon draw runner in graphite boat is heated, this process will ensure that carbon is slided
The temperature of item is controlled at 500 DEG C or so；
Step 5: closing the second valve, third valve and the 5th valve, bell jar is vacuumized, this process still needs to protect
The temperature for demonstrate,proving carbon draw runner is controlled at 500 DEG C or so；After the vacuum values on vacuum meter reach 0.09 MPa, the second valve is opened
Door, graphite boat is promptly inhaled into using the effect of negative pressure of vacuum by molten metal liquid in step 1 by second pipe
In, so that metal liquid is completely infused in carbon draw runner；
Step 6: being then shut off the second valve, continue to vacuumize, waits for that the vacuum values of vacuum meter reach scheduled requirement
After numerical value, the first valve, the 4th valve are closed, the 5th valve and third valve is opened simultaneously, is beaten into bell jar using air compressor machine
Pressure, this pressure process are controlled in 18MPa；After reaching predetermined value with the pressure value on pressure gauge, the 5th valve, third valve are closed
Then door carries out pressure release, takes out product after the completion of pressure release, and remaining metal liquid is made to flow back into melting furnace.
On the one hand this process can be automatically performed carbon draw runner impregnating metal, and need not manually be carried, convenient fast
Victory, it is time saving and energy saving；The permeability for substantially increasing impregnating metal reduces manually-operated danger coefficient.
Compared with prior art, using the above scheme, the beneficial effects of the invention are as follows：The present invention using moulding press device,
Vacuum pump, air compressor machine, melting furnace fit structure realize being automatically performed for carbon draw runner impregnating metal, and whole process is rationally distributed, behaviour
Make simple and convenient, work is smooth, and labor intensity is small, work efficiency is high, cost relative reduction, operative employee be also easier left-hand seat,
Time and the pressure for greatly reducing impregnating metal, reduce danger coefficient, remarkable in economical benefits.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention.
Wherein：1, vacuum pump；2, first pipe；3, the first valve；4, vacuum meter；5, the 4th valve；6, the first connection
Pipe；7, bell jar；8, graphite boat；9, carbon draw runner；10, moulding press upper mold；11, second pipe；12, the second connecting tube；13, the 5th valve
Door；14, pressure gauge；15, the second valve；16, third valve；17, third pipeline；18, graphite-pipe；19, metal liquid；20, it melts
Change stove；21, air compressor machine；22, steel plate；23, heating system；24, the pedestal of moulding press.
Specific implementation mode
Present invention will be further explained below with reference to the attached drawings and examples.
As shown in Figure 1, a kind of device for pantograph draw runner leaching metal, including moulding press device, vacuum pump 1, pneumatics
Machine 21, melting furnace 20；The vacuum pump 1 is arranged in the left side of moulding press device, and installs pipes and connect with moulding press；The sky
Press 21 is arranged on the right side of moulding press device, and installs pipes and connect with moulding press；The melting furnace 20 is arranged in air compressor machine
21 right side, and install pipes and connect with moulding press.
The moulding press device includes moulding press, bell jar 7, graphite boat 8.
In the present embodiment, graphite boat 8 is cuboid graphite boat, alternatively referred to as graphite Noah's ark, is added using graphite products
The graphite boat of rectangular-shape made of work；When impregnating metal, carbon draw runner is placed in the graphite boat 8.
The bell jar 7 is fixedly mounted on the pedestal 24 of moulding press.
Four circular through holes are opened up on bell jar 7, are located on the left and right sides end face of bell jar 7.
Two circular through holes that the left side of bell jar 7 opens up, respectively first through hole（It is not indicated in figure）, the second through-hole（Figure
In do not indicate）；One connecting pipe is installed in first through hole, is first pipe 2；The other end of first pipe 2 is mounted on true
In sky pump 1, bell jar 7 is connected by first pipe 2 with vacuum pump 1, and then moulding press device and vacuum pump 1 are connected to one
It rises.
In order to control the speed vacuumized, a valve that control is extracted for air is installed in first pipe 2, is the
One valve 3 is vacuumized by first valve 3.
One connecting tube is installed in the second through-hole, is the first connecting tube 6；The other end of first connecting tube 6 installs one
Vacuum meter 4 utilizes the vacuum degree in the vacuum meter 4 detection bell jar 7；Vacuum meter 4 is connected to bell jar by first connecting tube 6
On；For the value of preferably predetermined vacuum degree, a valve is installed in the first connecting tube 6, is the 4th valve 5, using this
Four valves 6 control vacuum meter numerical values recited.
Two circular through holes that the right side of bell jar 7 opens up, respectively third through-hole（It is not indicated in figure）, fourth hole（Figure
In do not indicate）；One pipeline is also installed on third through-hole, be second pipe 11, the other end graphite-pipe 18 of second pipe 11,
The graphite-pipe 18 is extend into melting furnace 20, and submerges 19 certain depth of metal liquid in melting furnace 20；Pass through second pipe
11, graphite-pipe 18 makes bell jar 7 be connected with melting furnace 20, to which moulding press device and melting furnace 20 link together.
In order to preferably control the flow of metal liquid 19, set that there are one for controlling metal liquid on second pipe 11
The valve of flow is the second valve 15.
It is set on the air compressor machine 21 there are one pipeline, is third pipeline 17；The air compressor machine 21 passes through the third pipeline 17
It is connected with moulding press device；The third pipeline 17 is connected with second pipe 11.
For pouring into for more preferable control pressure, a valve for being used for control pressure size on third pipeline 17 is the
Three valves 16.
Also there are one connecting tubes for installation in the fourth hole, are the second connecting tube 12；The other end of second connecting tube 12
One pressure gauge 14 is installed；Utilize the pressure value in the pressure gauge 14 detection bell jar 7；In order to preferably control pressure value,
One valve is installed in two connecting tubes 12, is the 5th valve 13, utilizes 13 control pressure table numerical values recited of the 5th valve.
The moulding press is equipped with heating system 23, and the heating system 23 is equipped with steel plate 22；The bell jar 7 is fixed on
On the steel plate 22.
In the present embodiment, the heating system 23 is electric heating system；Specifically, for the adjustable of adjustable temperature function
Warm formula electric heating system.
In the present embodiment, the form and dimension of heating system 23 is identical as graphite boat 8.
In the present embodiment, the steel plate 22 is stainless steel plate, specifically, for that can prevent high temperature and not produced because of high temperature
The stainless steel plate for the shape that changes.
In the present embodiment, first pipe 6, second pipe 11, third pipeline 17 are the stainless steel pipes of thickening.
In the present embodiment, in order to preferably carry out pressure release, moulding press upper mold 10 is provided on bell jar 7；Utilize molding
Machine upper mold 10 suppresses bell jar；Make 7 pressure release of bell jar.
A method of metal being soaked for pantograph draw runner, this method is to carry out impregnating metal using above-mentioned apparatus, specifically
Steps are as follows：
Melt Step 1: metal to be impregnated is placed in melting furnace, becomes 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
Bell jar 7；
Step 4: giving 23 electrified regulation of heating system, the carbon draw runner 9 in graphite boat 8 is heated, this process will ensure
The temperature of carbon draw runner 9 is controlled at 500 DEG C or so；
Step 5: closing the second valve 15, third valve 16 and the 5th valve 13, bell jar 7 is vacuumized, this process
Still need to ensure that the temperature of carbon draw runner 9 is controlled at 500 DEG C or so；After the vacuum values on vacuum meter 4 reach 0.09 MPa, beat
Open the second valve 15, using the effect of negative pressure of vacuum by molten metal liquid 19 in step 1 by second pipe 11 promptly
It is inhaled into graphite boat 8, metal liquid 19 is made to be completely infused in carbon draw runner 9；
Step 6: being then shut off the second valve 15, continue to vacuumize, waits for that the vacuum values of vacuum meter 4 reach scheduled
It is required that after numerical value, the first valve 3, the 4th valve 5 are closed, the 5th valve 13 and third valve 16 is opened simultaneously, utilizes air compressor machine
21 suppress into bell jar 7, this pressure process is controlled in 18MPa；After reaching predetermined value with the pressure value on pressure gauge 14, close
Then 5th valve 13, third valve 16 carry out pressure release, product are taken out after the completion of pressure release, and remaining metal liquid is made to flow back
Into melting furnace.
On the one hand this process can be automatically performed carbon draw runner impregnating metal, and need not manually be carried, convenient fast
Victory, it is time saving and energy saving；The permeability for substantially increasing impregnating metal reduces manually-operated danger coefficient.
The present invention realizes carbon draw runner impregnating metal using moulding press device, vacuum pump, air compressor machine, melting furnace fit structure
It is automatically performed, whole process is rationally distributed, simple to operate, and work is smooth, and labor intensity is small, work efficiency is high, cost phase
To reducing, operative employee is also easier left-hand seat, the time for greatly reducing impregnating metal and pressure, reduces danger coefficient, passes through
Ji remarkable benefit.
The present invention is not limited to above-mentioned specific embodiment, those skilled in the art from above-mentioned design,
Without performing creative labour, made various transformation are within the scope of the present invention.
Claims (3)
1. a kind of device for pantograph draw runner leaching metal, including moulding press device, vacuum pump, air compressor machine, melting furnace；It is described
Vacuum pump is arranged in the left side of moulding press device, and installs pipes and connect with moulding press；The air compressor machine setting is filled in moulding press
The right side set, and install pipes and connect with moulding press；The melting furnace is arranged on the right side of air compressor machine, and with moulding press device pipe
Road connects；It is characterized in that：The moulding press device includes moulding press, bell jar, graphite boat；The bottom of the bell jar setting moulding press
On seat；The inside of the graphite boat setting bell jar, and be fixedly connected with bell jar；It sets on the left of the bell jar and leads to there are two round
Hole, respectively first through hole, the second through-hole；It is set in the first through hole there are one pipeline, is first pipe；The bell jar passes through
The first pipe is connected with vacuum pump, to which moulding press device link together with vacuum pump；It is set on second through-hole
There is vacuum meter；Two circular through holes, respectively third through-hole, fourth hole also are provided on the right side of the bell jar；The third is logical
There are one pipelines by Kong Shangshe, are second pipe, and the bell jar is connected by the second pipe with melting furnace, thus by moulding press
Device links together with melting furnace；The fourth hole is equipped with pressure gauge；The top of the bell jar is equipped with moulding press upper mold；
It is set on the air compressor machine there are one pipeline, is third pipeline；The air compressor machine passes through the third pipeline and moulding press device
It is connected；The third pipeline is connected with second pipe；The end of the second pipe is set there are one graphite-pipe；The graphite
Pipe extends in melting furnace, and is connected with metal liquid in melting furnace；It is extracted for air there are one being set in the first pipe
The valve of control is the first valve；It is set on the second pipe there are one the valve for controlling metal liquid flow, is second
Valve；It is set on the third pipeline there are one the valve for being used for control pressure size, is third valve；It is set in second through-hole
There are one connecting tubes, are the first connecting tube；Second through-hole is connected by first connecting tube with vacuum meter, thus will be true
Empty table links together with bell jar；It is set in first connecting tube there are one the valve of control vacuum meter numerical values recited, is the 4th
Valve；It also is provided with a connecting tube in the fourth hole, is the second connecting tube；The fourth hole passes through second connecting tube
It is connected with pressure gauge, to which pressure gauge and bell jar link together；For controlling there are one being set in second connecting tube
The valve of pressure gauge numerical values recited is the 5th valve；The moulding press is equipped with heating system, and the heating system is equipped with steel
Plate；The bell jar is fixed on the steel plate.
2. a kind of device for pantograph draw runner leaching metal according to claim 1, it is characterised in that：The graphite boat
For cuboid graphite boat.
3. a kind of method for pantograph draw runner leaching metal, it is characterised in that：This method is using such as claims 1 or 2 institute
A kind of device for pantograph draw runner leaching metal stated carries out impregnating metal, is as follows：
Melt Step 1: metal to be impregnated is placed in melting furnace, becomes 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: giving heating system electrified regulation, the carbon draw runner in graphite boat is heated, this process will ensure carbon draw runner
Temperature is controlled at 500 DEG C；
Step 5: closing the second valve, third valve and the 5th valve, bell jar is vacuumized, this process still needs to ensure carbon
The temperature of draw runner is controlled at 500 DEG C；After the vacuum values on vacuum meter reach 0.09 MPa, the second valve is opened, is utilized
Molten metal liquid in step 1 is promptly inhaled into graphite boat by the effect of negative pressure of vacuum by second pipe, makes gold
Belong to liquid to be completely infused in carbon draw runner；
Step 6: being then shut off the second valve, continue to vacuumize, waits for that the vacuum values of vacuum meter reach scheduled and require numerical value
Afterwards, the first valve, the 4th valve are closed, the 5th valve and third valve is opened simultaneously, is suppressed into bell jar using air compressor machine, this
Pressure process is controlled in 18MPa；After reaching predetermined value with the pressure value on pressure gauge, the 5th valve, third valve are closed, so
After carry out pressure release, take out product after the completion of pressure release, and remaining metal liquid is made to flow back into melting furnace.
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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105798274A CN105798274A (en) | 2016-07-27 |
| CN105798274B true CN105798274B (en) | 2018-11-13 |
Family
ID=56451640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610337677.3A Active CN105798274B (en) | 2016-05-22 | 2016-05-22 | A kind of device and method for pantograph draw runner leaching metal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105798274B (en) |
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 |
| CN101219471A (en) * | 2008-01-22 | 2008-07-16 | 西北工业大学 | Device and method for producing integrated magnesium base composite material |
| 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 |
-
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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105798274A (en) | 2016-07-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203843149U (en) | Low-pressure casting holding furnace | |
| CN103071765A (en) | Partial air cooling method for precast aperture passage in investment casting shell | |
| CN103302276B (en) | Suction and injection machine for liquid aluminum alloy | |
| CN105798274B (en) | A kind of device and method for pantograph draw runner leaching metal | |
| CN109570468A (en) | A kind of centrifugal rotation casting machine of infrared temperature detection | |
| CN207431179U (en) | A kind of fast dewaxing device | |
| CN107282878B (en) | High-frequency induction type dewaxing and wax-water separation dewaxing kettle | |
| CN108772555B (en) | Explosion-proof device of vacuum suction casting chamber and control method thereof | |
| CN205668058U (en) | A kind of device for pantograph draw runner leaching metal | |
| CN208437627U (en) | A kind of hot investment casting ultra-large type composite form dewaxing device | |
| CN206898353U (en) | A kind of disappearance die-cast aluminum device | |
| CN211679997U (en) | Energy-saving casting equipment | |
| CN205732822U (en) | A kind of automatization low-temperature wax dewaxing device | |
| CN206588342U (en) | A kind of continuous casting intermediate inlet toasts bottom extractor fan online | |
| CN204411751U (en) | A kind of black rosin distilling apparatus | |
| CN208787504U (en) | A kind of cold-chamber die casting machine fluid infusion structure | |
| CN207787678U (en) | Vacuum pressure casting machine | |
| CN205763830U (en) | A kind of online apparatus for baking of continuous casting tundish submerged nozzle | |
| CN101879590B (en) | Continuous casting tundish submerged nozzle on-line roasting apparatus and roasting method | |
| RU2007118032A (en) | METHOD FOR PRODUCING CASTINGS AND DEVICE FOR ITS IMPLEMENTATION | |
| CN205043112U (en) | Confession liquid device that rolls is cast to magnesium alloy | |
| CN106862548A (en) | A kind of continuous casting intermediate inlet toasts bottom extractor fan and method online | |
| CN209969515U (en) | Quick forming die casting machine for double guide pipes of gas furnace head | |
| CN205464278U (en) | Resistance furnace | |
| CN204912670U (en) | Online baking equipment of shell for vacuum induction furnace precision casting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |