CN206898353U - A kind of disappearance die-cast aluminum device - Google Patents
A kind of disappearance die-cast aluminum device Download PDFInfo
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- CN206898353U CN206898353U CN201720595099.3U CN201720595099U CN206898353U CN 206898353 U CN206898353 U CN 206898353U CN 201720595099 U CN201720595099 U CN 201720595099U CN 206898353 U CN206898353 U CN 206898353U
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- hermetically sealed
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- pressure pipe
- flame retardant
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Abstract
A kind of disappearance die-cast aluminum device, the upper sealing evenly distributed vacuum tube of top tank structure, the vertical duct of the upper pressure pipe of L-shaped are located in upper hermetically sealed can, and the transverse pipe of upper pressure pipe stretches out upper hermetically sealed can, and lost foam pattern cluster is set in upper hermetically sealed can；Lower hermetically sealed can inner surface setting flame retardant coating, flame retardant coating inner surface is uniformly distributed resistance wire, the vertical duct of the lower pressure pipe of L-shaped is arranged in flame retardant coating, the transverse pipe of lower pressure pipe stretches out lower hermetically sealed can through flame retardant coating, crucible is arranged in the cavity of lower hermetically sealed can, nibbles clip fit sealing by tooth between upper connecting tube and lower connecting tube, woven hose is positioned at the center of sealing lower clapboard, woven hose upper end is stretched into hermetically sealed can, center insertion crucible inner bottom part of the woven hose lower end through heat-insulated dividing plate；The highdensity aluminum casting of high-quality is produced, the defects of seldom producing pin hole, stomata, shrinkage cavity and porosity, cold shut.
Description
Technical field
Evaporative pattern aluminium alloy casting device is the utility model is related to, especially a kind of disappearance die-cast aluminum device.
Background technology
The aluminium alloy taken out from smelting furnace is cast in casting mold again, is the critical process during castings production,
Although the time of this process experience is very short, it is very fierce that aluminium alloy moves in transmit process, and the oxide-film of liquid level is continuous
It is destroyed, and constantly produce new oxide-film, and constantly new oxide-film interlayer is involved in aluminium alloy, thus, very
More waste products also produce herein, in order to produce high-grade casting it is necessary to control casting rate, according to many studies have shown that,
Liquid cast aluminium alloy does not produce scattered, and the critical flow velocity of splashing is 0.5m/s.
At present the manufacture method of aluminium alloy castings have gravity sand casting, gravity lost foam casting, low pressure sand casting and
Four kinds of compression casting, most widely used casting mode are traditional gravity castings, that is, the gravity using aluminium alloy in itself, will
It injects casting mold from the top of casting mold.It is most worthless casting mode, because aluminium liquid is under cast gate for aluminium alloy
When falling on bottom, flow velocity is far above 0.5m/s, and liquid stream is at random and splashing is inevitable.The gravity for disappearance die-cast aluminum
The defects of casting also has one unavoidably is exactly that under gravity, high-speed and high-temperature liquid stream is poured in EPS or STMMA casting molds,
Waste gas hydrocarbon caused by EPS or STMMA fired vapours and useless carbon slag can enter in aluminium liquid, are finally detained and arrive casting
It is interior, make the degradation of casting.
Aluminium alloy lost foam casting is using the thermal insulation coatings for doing husky moulding Foam Pattern coating, because vaporization needs to absorb greatly
The heat of amount, so it is higher than the temperature of sand casting in furnace temperature and cast temperature, aluminium element is Active Metals in addition,
Air high temperature aluminium liquid easily with the hydrogen atom and oxygen atom in absorption air, cooling when again out of aluminium liquid separate out hydrogen atom and
Oxygen atom, gravity sand casting and gravity lost foam casting are all to solidify at ambient pressure, and gas evolution can be caused to cause on surface
Pin-hole phenomena occurs in the surface of casting, causes casting to be scrapped, also common pin cinder hole, gas cinder hole, cinder hole, stomata, slag inclusion,
The defects of burning into sand, shrinkage cavity and porosity, cold shut, all it is caused by casting and solidification.Although low pressure sand casting and compression casting
Preferable casting can be produced, but is only limitted to casting simple in construction, is but difficult to ensure its production for baroque casting
Quality.
In view of the foregoing, a kind of disappearance die-cast aluminum device is now developed.
Utility model content
The purpose of this utility model is to overcome deficiency of the prior art, there is provided a kind of disappearance die-cast aluminum device, energy
High-quality, high density, flawless aluminum casting are produced in manufacture.Low pressure bottom is cast：Cast using the size control of pressure
Speed casting liquid level is steady, will not disperse to splash.Lost foam modeling：Surface smoothness is high, and allowance is small.Negative pressure of vacuum：Have
Being discharged outside quickly caused gas of effect, will not allow harmful residual to be mixed into aluminium liquid, ensure that the degree of purity of material.Add
Pressure solidification：It is adapted to aluminium alloy grain refinement and solidification, the defects of seldom producing pin hole, stomata, shrinkage cavity and porosity, cold shut.
The utility model to achieve these goals, adopts the following technical scheme that：A kind of disappearance die-cast aluminum device, be by：
Upper hermetically sealed can, vacuum tube, upper pressure pipe, upper relief pipe, lost foam pattern cluster, main running channel, Shang Gai, upper connecting tube, lower hermetically sealed can,
Flame retardant coating, resistance wire, lower pressure pipe, lower relief pipe, crucible, heat-insulated dividing plate, support, lower cover, lower connecting tube, sealing lower clapboard,
Blast pipe, temperature probe, tooth nibble clip, woven hose is formed；It is upper to seal the evenly distributed vacuum tube of top tank structure, uniformly divide on vacuum tube
Cloth aperture, vacuum tube lower section are stretched out outside upper hermetically sealed can, and valve, vacuum pipe end and vacuum are set on the vacuum tube outside upper hermetically sealed can
Pump docks；The vertical duct of the upper pressure pipe of L-shaped is located in upper hermetically sealed can, and the transverse pipe of upper pressure pipe stretches out upper hermetically sealed can, upper close
The horizontal pipe end of upper pressure pipe outside sealed cans sets valve, is vertically arranged in the middle part of the transverse pipe of the upper pressure pipe outside upper hermetically sealed can
Upper relief pipe, sets valve on upper relief pipe, and the horizontal pipe end of the upper pressure pipe outside upper hermetically sealed can is docked with pressurized tank；It is upper close
Lost foam pattern cluster is set in sealed cans, the main running channel for making lost foam pattern cluster by sand is located on the axial line of upper hermetically sealed can,
Covered on being set above upper hermetically sealed can, upper hermetically sealed can and upper lid nibble clip fit sealing by tooth, and pressure-reducing valve, pressure are just set on upper lid
Power table, vacuum meter, upper sealing pot bottom set upper connecting tube；
Lower hermetically sealed can inner surface setting flame retardant coating, flame retardant coating inner surface is uniformly distributed resistance wire, under being stretched out below resistance wire
Hermetically sealed can docks with controller；The vertical duct of the lower pressure pipe of L-shaped is arranged in flame retardant coating, and the vertical duct upper end of lower pressure pipe is stretched
Go out flame retardant coating, the transverse pipe of lower pressure pipe stretches out lower hermetically sealed can through flame retardant coating, the transverse pipe of the lower pressure pipe outside lower hermetically sealed can
End sets valve, is vertically arranged lower relief pipe in the middle part of the transverse pipe of the lower pressure pipe outside lower hermetically sealed can, is set on lower relief pipe
Valve, the horizontal pipe end of the lower pressure pipe outside lower hermetically sealed can are docked with pressurized tank；Crucible is arranged in the cavity of lower hermetically sealed can,
Support is set between crucible bottom surface and flame retardant coating bottom surface, heat-insulated dividing plate, the vertical section of the temperature probe of L-shaped are set above crucible
Insert in crucible, it is horizontal to be connected to the lower hermetically sealed can of part stretching with temperature controller；Lower cover is set above lower hermetically sealed can, lower hermetically sealed can and
Lower cover nibbles clip fit sealing by tooth, and pressure-reducing valve and pressure gauge are set above lower cover, and lower tops set lower connecting tube, upper company
Clip fit sealing is nibbled by tooth between adapter and lower connecting tube, sealing lower clapboard is set in lower connecting tube, and woven hose is positioned at close
The center of lower clapboard is sealed, woven hose upper end is stretched into hermetically sealed can through the bottom surface of upper hermetically sealed can, woven hose upper end end face and institute
State the contact of main running channel lower end surface, woven hose lower end through heat-insulated dividing plate center insertion crucible inner bottom part, upper hermetically sealed can, on
Lid, the axial line of upper connecting tube, lower hermetically sealed can, lower cover, lower connecting tube overlap, and woven hose is located on the axial line, blast pipe
Bottom surface and flame retardant coating through lower hermetically sealed can are stretched into the cavity of lower hermetically sealed can.
Upper pressure pipe vertical pressure pipe upper end end face in the upper hermetically sealed can is higher than the connecting line of upper hermetically sealed can and upper lid,
Lower pressure pipe vertical pressure pipe upper end end face in lower hermetically sealed can is higher than lower hermetically sealed can and the connecting line of lower cover.
Operating principle is：
Aluminium liquid after melting after degasification slagging-off refinement and Metamorphism treatment loads in crucible, and crucible is put into lower hermetically sealed can
Support on, into aluminium liquid insert L-shaped temperature probe, clip is nibbled to lower cover and lower hermetically sealed can fit sealing, woven hose by tooth
Stretched into through the center and lower cover top center of sealing lower clapboard in aluminium liquid；EPS the or STMMA lost foam pattern clusters of coating are gone up
After drying room is dried, be put into hermetically sealed can, insert dry sand, after bumper ram-jolt, by tooth nibble clip to Shang Gai with it is upper close
Sealed cans fit sealing, the upper connecting tube of upper hermetically sealed can and the lower connecting tube of lower hermetically sealed can are docked, make hermetically sealed can and lower sealing
Tank is connected as a single entity, and the upper end of woven hose is stretched into hermetically sealed can through the bottom surface of upper hermetically sealed can, woven hose upper end and evaporative pattern mould
The main running channel lower end docking of type cluster, temperature control is transferred to Resistant heating, the temperature of the temperature probe collection of L-shaped by controller
When the temperature of aluminum liquid that device shows in crucible reaches 700~750 DEG C of predetermined cast temperature, start vavuum pump, by vacuum tube to upper
Vacuumized in hermetically sealed can, observe the vacuum of vacuum meter, the vacuum in hermetically sealed can is maintained in the value range of setting, together
When open valve in the transverse pipe of lower pressure pipe, make the pressure rapid increase in lower hermetically sealed can, the pressure in lower hermetically sealed can is led to
The pressure gauge crossed down on lid shows that when the pressure in lower hermetically sealed can reaches the value range of setting, high temperature aluminium liquid is under pressure
Enter upper hermetically sealed can from bottom to top along woven hose, the vacuum in regulation in hermetically sealed can, and the pressure in lower hermetically sealed can, make aluminium liquid
At the uniform velocity enter the main running channel of upper hermetically sealed can with 0.45~0.5m/s flow velocity, travel further into EPS or STMMA lost foam patterns
Cluster, lost foam pattern cluster are gasified by high temperature aluminium liquid, and gas is under vacuum through the gap between coating and sand by vacuum tube
On aperture enter vacuum tube, be transported to outside hermetically sealed can, aluminium liquid occupy lost foam pattern cluster gasification after space, to cast
Complete；
After casting, the valve on valve and vacuum tube under closing in the transverse pipe of pressure pipe, open under lower pressure pipe
Valve on relief pipe, when the pressure gauge on lower lid shows down that the pressure in hermetically sealed can is reduced to 0.2~0.3MPa, subtract under closing
Valve in pressure pipe, while the valve in the transverse pipe of the valve and upper pressure pipe in the transverse pipe of lower pressure pipe is opened again, on
Pressure in hermetically sealed can, which rises, is maintained at 0.4~0.6MPa, and the pressure in lower hermetically sealed can, which rises, is maintained at 0.5~0.7MPa, and 15
After~20 minutes, the casting in upper hermetically sealed can solidifies completely, the valve and upper pressure pipe under closing in the transverse pipe of pressure pipe
Valve in transverse pipe, the valve on the upper relief pipe of the valve and upper pressure pipe on the lower relief pipe of lower pressure pipe is opened, on
Pressure in hermetically sealed can and lower hermetically sealed can is gradually reduced, after the pressure on pressure gauge and lower lid on upper lid is designated as 0MPa, rotation
Turn the tooth among upper hermetically sealed can and lower hermetically sealed can and nibble clip, remove hermetically sealed can, covered in opening, take out casting, completion was cast
Journey；
Another upper hermetically sealed can equipped with lost foam pattern cluster and sand is connected with lower hermetically sealed can, poured by above-mentioned steps
Casting；
According to the volume calculations of crucible casting number, after reaching casting number, remaining aluminium liquid is not enough to again in crucible
Cast, take out crucible and add aluminium liquid, moved in circles by above-mentioned steps；
After having cast, when clearing up lower hermetically sealed can, cleaning is discharged to the residue in lower hermetically sealed can by blast pipe.
The beneficial effects of the utility model are：Mainly solves the skill that baroque casting can not ensure its production quality
Art problem, it can manufacture and produce high-quality, high density, flawless aluminum casting.Low pressure bottom is cast：Utilize the size control of pressure
The speed casting liquid level of system casting is steady, will not disperse to splash.Lost foam modeling：Surface smoothness is high, and allowance is small.Vacuum
Negative pressure：Effectively being discharged outside quickly caused gas, will not allow harmful residual to be mixed into aluminium liquid, ensure that the pure of material
Cleanliness.Compression solidification：It is adapted to aluminium alloy grain refinement and solidification, can seldom produces pin hole, stomata, shrinkage cavity and porosity, cold shut etc.
Defect.The utility model is that middle-size and small-size foundry enterprise brings immeasurable benefit, while is filled with China's evaporative pattern aluminium casting machine
The blank of tool, laid the foundation for manufacture high-quality high quality complexity aluminum casting, be adapted to popularity application.
Brief description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings：
Fig. 1 is general assembly structural representation；
In Fig. 1：Upper hermetically sealed can 1, vacuum tube 11, upper pressure pipe 12, upper relief pipe 121, lost foam pattern cluster 13, main running channel
131st, upper lid 14, upper connecting tube 15, lower hermetically sealed can 2, flame retardant coating 21, resistance wire 22, lower pressure pipe 23, lower relief pipe 231, crucible
24th, heat-insulated dividing plate 241, support 25, lower cover 26, lower connecting tube 27, sealing lower clapboard 271, blast pipe 28, temperature probe 29, tooth
Nibble clip 3, woven hose 4.
Embodiment
The utility model is described in further detail with reference to embodiment：
The upper evenly distributed vacuum tube 11 of the inwall of hermetically sealed can 1, aperture is uniformly distributed on vacuum tube 11, and the lower section of vacuum tube 11 is stretched out
Outside upper hermetically sealed can 1, valve is set, the end of vacuum tube 11 is docked with vavuum pump on the vacuum tube 11 outside upper hermetically sealed can 1；L-shaped it is upper
The vertical duct of pressure pipe 12 is located in upper hermetically sealed can 1, the upper hermetically sealed can 1 of transverse pipe stretching of upper pressure pipe 12, outside upper hermetically sealed can 1
The horizontal pipe end of upper pressure pipe 12 sets valve, is vertically arranged in the middle part of the transverse pipe of the upper pressure pipe 12 outside upper hermetically sealed can 1
Relief pipe 121, sets valve on upper relief pipe 121, the horizontal pipe end and pressurized tank pair of the upper pressure pipe 12 outside upper hermetically sealed can 1
Connect；Lost foam pattern cluster 13 is set in upper hermetically sealed can 1, the main running channel 131 of lost foam pattern cluster 13 is made positioned at upper close by sand
On the axial line of sealed cans 1, the top of upper hermetically sealed can 1 sets upper lid 14, upper hermetically sealed can 1 and upper lid 14 by tooth nibble clip 3 fasten it is close
Envelope, the upper top of lid 14 set pressure-reducing valve, pressure gauge, vacuum meter, and the upper bottom of hermetically sealed can 1 sets upper connecting tube 15；
The lower inner surface setting flame retardant coating 21 of hermetically sealed can 2, the inner surface of flame retardant coating 21 are uniformly distributed resistance wire 22, under resistance wire 22
Side stretches out lower hermetically sealed can 2 and docked with controller；The vertical duct of the lower pressure pipe 23 of L-shaped is arranged in flame retardant coating 21, lower pressure pipe
Flame retardant coating 21 is stretched out in 23 vertical duct upper end, and the transverse pipe of lower pressure pipe 23 stretches out lower hermetically sealed can 2, lower sealing through flame retardant coating 21
The horizontal pipe end of lower pressure pipe 23 outside tank 2 sets valve, vertical in the middle part of the transverse pipe of the lower pressure pipe 23 outside lower hermetically sealed can 2
Lower relief pipe 231 is set, valve is set on lower relief pipe 231, the horizontal pipe end and pressure of the lower pressure pipe 23 outside lower hermetically sealed can 2
Power tank docks；Crucible 24 is arranged in the cavity of lower hermetically sealed can 2, and support is set between the bottom surface of crucible 24 and the bottom surface of flame retardant coating 21
25, the top of crucible 24 sets heat-insulated dividing plate 241, and the vertical section of the temperature probe 29 of L-shaped is inserted in crucible 24, horizontal to portion
Hermetically sealed can 2 under stretching out is divided to be connected with temperature controller；The lower top of hermetically sealed can 2 sets lower cover 26, and lower hermetically sealed can 2 and lower cover 26 are nibbled by tooth
The fit sealing of clip 3, the top of lower cover 26 set pressure-reducing valve and pressure gauge, and the top of lower cover 26 sets lower connecting tube 27, upper connecting tube
The fit sealing of clip 3 is nibbled by tooth between 15 and lower connecting tube 27, sealing lower clapboard 271, woven hose 4 are set in lower connecting tube 27
Positioned at the center of sealing lower clapboard 271, the upper end of woven hose 4 is stretched into hermetically sealed can 1 through the bottom surface of upper hermetically sealed can 1, woven hose 4
Upper end end face contacts with the main lower end surface of running channel 131, center insertion crucible of the lower end of woven hose 4 through heat-insulated dividing plate 241
24 inner bottom parts, upper hermetically sealed can 1, upper lid 14, upper connecting tube 15, lower hermetically sealed can 2, lower cover 26, the axial line of lower connecting tube 27 overlap,
Woven hose 4 is located on the axial line, and blast pipe 28 stretches into lower hermetically sealed can 2 through the bottom surface of lower hermetically sealed can 2 and flame retardant coating 21
In cavity.
The vertical pressure pipe upper end end face of upper pressure pipe 12 in the upper hermetically sealed can 1 is higher than upper hermetically sealed can 1 and upper lid 14
Connecting line, the connection of the vertical pressure pipe upper end end face of lower pressure pipe 23 in lower hermetically sealed can 2 higher than lower hermetically sealed can 2 and lower cover 26
Line.
Claims (2)
1. a kind of disappearance die-cast aluminum device, be by：Upper hermetically sealed can (1), vacuum tube (11), upper pressure pipe (12), upper relief pipe
(121), lost foam pattern cluster (13), main running channel (131), upper lid (14), upper connecting tube (15), lower hermetically sealed can (2), flame retardant coating
(21), resistance wire (22), lower pressure pipe (23), lower relief pipe (231), crucible (24), heat-insulated dividing plate (241), support (25), under
Lid (26), lower connecting tube (27), sealing lower clapboard (271), blast pipe (28), temperature probe (29), tooth nibble clip (3), transfusion
(4) are managed to form；It is characterized in that：The evenly distributed vacuum tube of upper hermetically sealed can (1) inwall (11), it is uniformly distributed on vacuum tube (11) small
Hole, vacuum tube (11) lower section stretch out upper hermetically sealed can (1) outside, valve, vacuum tube are set on the vacuum tube (11) of upper hermetically sealed can (1) outside
(11) end is docked with vavuum pump；The vertical duct of the upper pressure pipe (12) of L-shaped is located in upper hermetically sealed can (1), upper pressure pipe (12)
Transverse pipe stretch out upper hermetically sealed can (1), the horizontal pipe end of the upper pressure pipe (12) of upper hermetically sealed can (1) outside sets valve, upper close
Relief pipe (121) is vertically arranged in the middle part of the transverse pipe of the upper pressure pipe (12) of sealed cans (1) outside, is set on upper relief pipe (121)
Valve, the horizontal pipe end of the upper pressure pipe (12) of upper hermetically sealed can (1) outside are docked with pressurized tank；Set and disappear in upper hermetically sealed can (1)
Mould model cluster (13) is lost, the main running channel (131) of lost foam pattern cluster (13) is located at the axial line of upper hermetically sealed can (1) by sand
On, being set above upper hermetically sealed can (1) and cover (14), upper hermetically sealed can (1) and upper lid (14) nibble clip (3) fit sealing by tooth,
Pressure-reducing valve, pressure gauge, vacuum meter are set above upper lid (14), and upper hermetically sealed can (1) bottom sets upper connecting tube (15)；
Lower hermetically sealed can (2) inner surface setting flame retardant coating (21), flame retardant coating (21) inner surface are uniformly distributed resistance wire (22), resistance wire
(22) lower section is stretched out lower hermetically sealed can (2) and docked with controller；The vertical duct of the lower pressure pipe (23) of L-shaped is arranged at flame retardant coating (21)
Interior, flame retardant coating (21) is stretched out in the vertical duct upper end of lower pressure pipe (23), and the transverse pipe of lower pressure pipe (23) passes through flame retardant coating (21)
Lower hermetically sealed can (2) is stretched out, the horizontal pipe end of the lower pressure pipe (23) of lower hermetically sealed can (2) outside sets valve, and lower hermetically sealed can (2) is outside
Lower pressure pipe (23) transverse pipe in the middle part of be vertically arranged lower relief pipe (231), valve is set on lower relief pipe (231), under it is close
The horizontal pipe end of the lower pressure pipe (23) of sealed cans (2) outside is docked with pressurized tank；Crucible (24) is arranged at the sky of lower hermetically sealed can (2)
Intracavitary, support (25) is set between crucible (24) bottom surface and flame retardant coating (21) bottom surface, heat-insulated dividing plate is set above crucible (24)
(241) it is horizontal to stretch out lower hermetically sealed can (2) and temperature to part, in the vertical section insertion crucible (24) of the temperature probe (29) of L-shaped
Control device connection；Set lower cover (26), lower hermetically sealed can (2) and lower cover (26) to nibble clip (3) by tooth above lower hermetically sealed can (2) to fasten
Sealing, lower cover (26) top set pressure-reducing valve and pressure gauge, lower connecting tube (27), upper connecting tube (15) are set at the top of lower cover (26)
Clip (3) fit sealing is nibbled by tooth between lower connecting tube (27), sealing lower clapboard (271) is set in lower connecting tube (27),
Woven hose (4) stretches into close positioned at the center of sealing lower clapboard (271), woven hose (4) upper end through the bottom surface of upper hermetically sealed can (1)
In sealed cans (1), woven hose (4) upper end end face contacts with main running channel (131) lower end surface, woven hose (4) lower end through every
Center insertion crucible (24) inner bottom part of hot dividing plate (241), upper hermetically sealed can (1), upper lid (14), upper connecting tube (15), lower sealing
Tank (2), lower cover (26), the axial line of lower connecting tube (27) overlap, and woven hose (4) is located on the axial line, blast pipe (28)
Bottom surface and flame retardant coating (21) through lower hermetically sealed can (2) are stretched into the cavity of lower hermetically sealed can (2).
A kind of 2. disappearance die-cast aluminum device according to claim 1, it is characterised in that：It is upper in the upper hermetically sealed can (1)
Pressure pipe (12) vertical pressure pipe upper end end face is higher than upper hermetically sealed can (1) and the connecting line of upper lid (14), in lower hermetically sealed can (2)
Connecting line of lower pressure pipe (23) the vertical pressure pipe upper end end face higher than lower hermetically sealed can (2) and lower cover (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720595099.3U CN206898353U (en) | 2017-05-24 | 2017-05-24 | A kind of disappearance die-cast aluminum device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720595099.3U CN206898353U (en) | 2017-05-24 | 2017-05-24 | A kind of disappearance die-cast aluminum device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206898353U true CN206898353U (en) | 2018-01-19 |
Family
ID=61288284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720595099.3U Expired - Fee Related CN206898353U (en) | 2017-05-24 | 2017-05-24 | A kind of disappearance die-cast aluminum device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206898353U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109530612A (en) * | 2018-12-31 | 2019-03-29 | 兴化市剑达铸造有限公司 | A kind of lost foam casting process suitable for large and medium-sized product |
| CN110560667A (en) * | 2018-06-06 | 2019-12-13 | 张志国 | Vacuum-pressure conversion casting infiltration method and equipment for metal matrix ceramic composite material |
-
2017
- 2017-05-24 CN CN201720595099.3U patent/CN206898353U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110560667A (en) * | 2018-06-06 | 2019-12-13 | 张志国 | Vacuum-pressure conversion casting infiltration method and equipment for metal matrix ceramic composite material |
| CN109530612A (en) * | 2018-12-31 | 2019-03-29 | 兴化市剑达铸造有限公司 | A kind of lost foam casting process suitable for large and medium-sized product |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180119 Termination date: 20190524 |