CN110394438A - One kind is into material return system, Squeezing die casting machine and its casting method - Google Patents
One kind is into material return system, Squeezing die casting machine and its casting method Download PDFInfo
- Publication number
- CN110394438A CN110394438A CN201910769530.5A CN201910769530A CN110394438A CN 110394438 A CN110394438 A CN 110394438A CN 201910769530 A CN201910769530 A CN 201910769530A CN 110394438 A CN110394438 A CN 110394438A
- Authority
- CN
- China
- Prior art keywords
- barrel
- extruding
- formed punch
- molten metal
- high temperature
- 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.)
- Pending
Links
- 238000005266 casting Methods 0.000 title claims abstract description 73
- 239000000463 material Substances 0.000 title claims abstract description 63
- 238000004512 die casting Methods 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 27
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 118
- 229910052751 metal Inorganic materials 0.000 claims abstract description 74
- 239000002184 metal Substances 0.000 claims abstract description 74
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 59
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 55
- 239000007788 liquid Substances 0.000 claims abstract description 55
- 238000001125 extrusion Methods 0.000 claims abstract description 18
- 230000006835 compression Effects 0.000 claims abstract description 15
- 238000007906 compression Methods 0.000 claims abstract description 15
- 239000007921 spray Substances 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 11
- 238000005507 spraying Methods 0.000 claims description 11
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 10
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 10
- 229910045601 alloy Inorganic materials 0.000 claims description 8
- 239000000956 alloy Substances 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 7
- 239000002828 fuel tank Substances 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 238000007711 solidification Methods 0.000 claims description 5
- 230000008023 solidification Effects 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 238000011049 filling Methods 0.000 claims description 4
- 230000003028 elevating effect Effects 0.000 claims description 3
- 230000004907 flux Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000011230 binding agent Substances 0.000 claims description 2
- 238000005086 pumping Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 23
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 7
- 239000001301 oxygen Substances 0.000 abstract description 7
- 229910052760 oxygen Inorganic materials 0.000 abstract description 7
- 239000007789 gas Substances 0.000 abstract description 6
- 230000003647 oxidation Effects 0.000 abstract description 5
- 238000007254 oxidation reaction Methods 0.000 abstract description 5
- 230000007717 exclusion Effects 0.000 abstract description 3
- 238000003860 storage Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 238000003973 irrigation Methods 0.000 abstract 1
- 230000002262 irrigation Effects 0.000 abstract 1
- 230000007246 mechanism Effects 0.000 description 12
- 238000009413 insulation Methods 0.000 description 6
- 238000003723 Smelting Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 239000011344 liquid material Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000881 depressing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910001338 liquidmetal Inorganic materials 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 201000009240 nasopharyngitis Diseases 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 235000014347 soups Nutrition 0.000 description 1
- 238000009716 squeeze casting Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/02—Pressure casting making use of mechanical pressure devices, e.g. cast-forging
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention discloses one kind into material return system, Squeezing die casting machine and its casting method, be related to metal mold compression casting technical field, drip irrigation device include the extruding barrel being connect with mold cavity, with the extruding barrel far from stalk be connected on the downside of one end of mold cavity and the low-pressure nitrogen holding furnace of storage high temperature aluminium alloys molten metal bath.The present invention, which has, to be realized when extrusion casint or partial pressure are cast, al alloy molten metal liquid guarantees not wrap up in gas inside al alloy molten metal liquid in casting stowing operation, and achieve the purpose that cast product is made to carry out T6 heat treatment pre-condition, high temperature aluminium alloys molten metal bath and oxygen-enriched air exclusion is effectively ensured simultaneously, influences casting property, production efficiency and its manufacture reliability because of its selective oxidation to avoid high temperature aluminium alloys molten metal bath.
Description
Technical field
The present invention relates to a kind of technical fields of metal mold compression casting, and more specifically it is related to a kind of into feed back system
System, Squeezing die casting machine and its casting method.
Background technique
Currently, in commonly used extrusion casting machine (such as national foundry machinery professional standard JB/ on domestic market
As T12551-2015 is shown), molding part is similar to common cold-chamber die casting machine, and it is partially vertical for squeezing (injection)
Formula is placed in shuttle-type pressing mechanism below mold, including the vertical extrusion barrel that is fixed in the mechanism also with mechanism
It is tilted to the outside of machine together, pressing mechanism is again in order to using soup feeding machine be poured by hand or to it molten aluminum, after casting complete
Swing returns to original position, and last pressing mechanism is by molten aluminum low speed injection type chamber and makes molten aluminum in Under Pressure Solidification more higher than die casting
Molding.Since " service working time " of the swing type pressing mechanism is too long, it is easy to cause the outer sphere molten metal contacted with barrel
Cooling, form the crust of early stage, should " crust " passively into not only will affect in casting system molten aluminum flowing, also can shadow
The structural homogenity of filling and castings material is rung, it is very big to the negative effect of castability.Thus, which can only be with greatly
Machine do smaller product, only limpingly deal with and go using because of its application range very little, occupation rate of market pole
It is low, so needing fundamentally to improve！
Notification number is that the Chinese patent of CN103817310B discloses a kind of intelligent alloy liquid extrusion casting and forming device, should
Intelligent alloy liquid extrusion casting and forming device includes that tup, cast gate be stifled, material cup, electric heater, A liquid level sensor, B liquid level
Sensor, C liquid level sensor, temperature sensor and air pressure rise liquid smelting furnace.Therefore, which forms
Device rises liquid smelting furnace using totally enclosed air pressure, and electric heater is located at the feeder sleeve of smelting furnace, and temperature sensor is located at material cup,
Tup and cast gate, which block up, to be respectively provided in the right part of material cup and the inner cavity of left part, and A, B, C liquid level sensor are respectively provided at pouring for mold
Material position, the position filled type interposition, fill type interference position, when work, air pressure is risen the liquid material press-in material in liquid smelting furnace by compressed air
In cup, tup by the liquid material injection die cavity in material cup, by A, B, C liquid level sensor and temperature sensor by the position of liquid material and
Temperature signal is fed back to the technical solution that computer controller is manipulated automatically, makes alloy liquid extrusion casting molding production.
It is remaining but during feed back of intelligence alloy liquid extrusion casting and forming device at the end of " preliminary charge "
Material, and will (feeder sleeve connects in feed opening when slowly being declined by its own gravity in being exposed in oxygen-enriched air condition
Mouthful) at the oxide layer of adhesion easy to form and densification, due to the raising (fusing point of pure alumina of the adhesion aluminium material fusing point of oxidation
Up to 2050 DEG C or so), and then cannot be melted completely when " preliminary charge " next time, so should after repeatedly gathering
Place's feed opening is just difficult to ensure normal work, so that needing to carry out by parts such as disassemblies " tup " (squeezing formed punch) clear
The reply of reason and reproduction；At the same time, the high temperature aluminium alloys molten metal bath after excessive oxidation will cause the comprehensive product of casting
Matter (castability, metallographic structure and material quality etc.) declines to a great extent, and influences the production efficiency and product quality of casting, has
To biggish improvement.
Summary of the invention
In view of the deficienciess of the prior art, the first purpose of this invention be to provide it is a kind of into material return system, should be into
Material return system have enable aluminum alloy to molten metal bath casting stowing operation in guarantee inside do not wrap up in gas, make cast product reach into
The purpose of the pre-condition of row T6 heat treatment or welding processing；Effectively avoid high temperature aluminium alloys molten metal bath and air straight simultaneously
It contacts and influences casting quality, production efficiency and the effect for manufacturing reliability.
To achieve the above object, the present invention provides the following technical scheme that
One kind is into material return system, including the extruding barrel connecting with mold cavity and the extruding barrel far from mold cavity
The low-pressure nitrogen holding furnace of the stalk and storage high temperature aluminium alloys molten metal bath that are connected on the downside of one end, the stalk
Lower end is inserted into the low-pressure nitrogen holding furnace and is located at the liquid level of high temperature aluminium alloys molten metal bath hereinafter, the low-pressure nitrogen
The upper end of holding furnace is provided with nitrogen disengaging control pipe, and the extruding barrel is plugged with close to one end of the stalk will be described
The high temperature aluminium alloys molten metal bath squeezed in barrel is squeezed into the extruding formed punch in mold cavity.
Guarantee high temperature aluminum while the technique for realizing extrusion casint and die casting requires by using above-mentioned technical proposal
Alloy molten metal liquid and oxygen-enriched air exclusion, effectively avoid high temperature aluminium alloys molten metal bath from influencing because of oxidation to reach
To casting quality, production efficiency and the purpose for manufacturing reliability.
The present invention is further arranged to: one end of the separate extruding barrel for squeezing formed punch is connected with diameter less than described
The formed punch connecting rod of punch diameter is squeezed, the extruding barrel is additionally provided with for pair with the formed punch connecting rod pneumostop
Formed punch snap-gauge is opened, the split formed punch snap-gauge is provided with the venthole inflated into the stalk.
By using above-mentioned technical proposal, at the upper end opening that extruding formed punch moves through stalk to mold cavity
Afterwards, nitrogen is entered in the annular chamber for squeezing formed punch rear end by venthole, in low-pressure nitrogen and high temperature aluminium alloys molten metal bath
Under the double action of self weight, the high temperature aluminium alloys molten metal bath surplus on feed nozzle and its underpart (i.e. stalk top) will be with
It rapidly flows back into the lower part of stalk and is flushed with the furnace inner metal liquid face of low-pressure nitrogen holding furnace, to complete " feed back "
" nitrogen covering " is inside entire stalk, a small amount of molten aluminum and the oxygen-enriched sky of effective isolation molten aluminum liquid level and each place adhesion
All contacts of gas, thus be avoided that because high temperature aluminium alloys molten metal bath and air directly contact cause to casting quality,
Production efficiency and the very big negative effect for manufacturing reliability.
The present invention is further arranged to: the extruding barrel is socketed with charging barrel thermal insulation sleeve, and the stalk is socketed with liquid pipe
Muff.
By using above-mentioned technical proposal, charging barrel thermal insulation sleeve and liquid pipe muff are respectively in extruding barrel and stalk set
High temperature aluminium alloys molten metal bath play effective insulation effect.
The present invention is further arranged to: the upper end of the stalk is connected with the feed nozzle being connected to the extruding barrel
Seat, the upper end for squeezing barrel are plugged with and corresponding blank cover, the sealing above and below the feed nozzle seat upper end opening
Cover board is connected with the lifting cylinder for driving the blank cover to do vertical lifting movement and is plugged in the measurement extruding barrel
The metal liquid level meter of high temperature aluminium alloys molten metal bath liquid level, the rear upside for squeezing barrel are provided with the pressing material
Cylinder upper end opening enters and carries out the spraying pneumatic bar of barrel spraying operation.
By using above-mentioned technical proposal, the connection type of feed nozzle seat and stalk is changed into " soft by " rigid connection "
Connection " significantly reduces the fixed difficulty of the replacement, angle adjustment and installation of stalk；Metal liquid level meter is to liquid metal position
The detection set will make the casting of casting measure stability contorting --- and extruding material head size each time is also essentially identical, separately makes
The Foundry Production of casting is in continuous, high-quality, reliably carries out state；Simultaneously after die sinking, squeezing formed punch return, seal closure
Plate under the driving of lifting cylinder, do far from the movement for squeezing barrel, after lifting cylinder movement in place, pneumatic spray head is dynamic
Make --- liquid honing and spraying operation are carried out to the opening for squeezing barrel and its upper end, and complete to make in pneumatic spray head
Industry --- after keeping in the center, lifting cylinder drives blank cover and squeezes the upper end opening lid conjunction fixation of barrel, effectively solves material
Detection that liquid level is set and influenced due to blocking at stalk upper end and jet hole casting can continuous and steady production the problem of.
The present invention is further arranged to: further including cover half mounting plate and extrusion die cover half, the extruding barrel goes out
Material end sequentially passes through the extrusion die cover half and the cover half mounting plate and matches with mold cavity location.
By using above-mentioned technical proposal, cover half mounting plate and extrusion die cover half are for stablizing fixed press barrel
Discharge end, while reducing and squeezing the discharge end of barrel and the difficulty of matching of mold cavity and promote the discharge end and mould for squeezing barrel
The matching precision of tool type chamber.
Second object of the present invention is to provide a kind of Squeezing die casting machine, including mainframe, be located at the mainframe after
The slave frame and electric-control system at end, be provided between the mainframe and the slave frame it is as claimed in claims 1-5 into
Material return system is provided with main fuel tank pedestal on the mainframe and for match progress Die Casting into material return system with described
Mould assembly pump-up system, auxiliary fuel tank pedestal is provided on the slave frame, for connecting into material return system and with described by high temperature
Al alloy molten metal liquid is squeezed into extruding in mold cavity and supercharge control system and by activated actuator pump system or high pressure
The multistage compression system that accumulator adds proportional pressure-reducing valve to form, the mould assembly pump-up system, the extruding and supercharge control system
And multistage compression system is connect with the electric-control system.
By using above-mentioned technical proposal, it is connect into material return system with extruding and supercharge control system and into mold cavity
High temperature aluminium alloys molten metal bath is injected, realizes the automation of Die-Casting production procedure, it is strong in the labour for significantly reducing worker
While degree, raising working efficiency, the dependence to worker's die casting technical ability is reduced, obtains permanent and stable guarantor for product quality
Card.
The present invention is further arranged to: the bottom into material return system is provided with described in driving and does into material return system along perpendicular
The lift adjustment mechanism that histogram is moved horizontally to elevating movement and along the longitudinal direction.
By using above-mentioned technical proposal, lift adjustment mechanism, which drives, effectively shortens liter into material return system lifting, to reach
Liquid pipe length and reduce lift adjustment mechanism and extruding and supercharge control system be connected and fixed the purpose of difficulty, to reduce
Into the maintenance maintenance difficulty of material return system, the practicability of the Squeezing die casting machine is promoted.
The present invention is further arranged to: the mould assembly pump-up system is provided with and the matched vacuum system of mold cavity.
By using above-mentioned technical proposal, vacuum system in casting technique for having special " vacuumizing " demand
Cast casting is obviously improved the practicability of the Squeezing die casting machine.
Third object of the present invention is to provide a kind of casting method of Squeezing die casting machine, include the following steps:
Step 1 is filled with nitrogen into low-pressure nitrogen holding furnace by nitrogen disengaging control pipe, ever-increasing on alloy liquid level
Make that high temperature aluminium alloys molten metal bath passes sequentially through stalk and feed nozzle seat enters extruding barrel under the action of nitrogen pressure
It is interior；
Step 2, the height or total amount for being measured by metal liquid level meter and controlling injected high temperature aluminium alloys molten metal bath, and
Moment when the total amount of high temperature aluminium alloys molten metal bath reaches requirement stops being filled with nitrogen into low-pressure nitrogen holding furnace simultaneously
Use the air valve of big flux by the nitrogen quick release in furnace simultaneously；
Step 3 squeezes formed punch to the movement of mold cavity one end by extruding and supercharge control system driving, and is squeezing formed punch
After blocking the spray material port for squeezing barrel during low speed is mobile, split formed punch snap-gauge closure simultaneously forms pneumostop with formed punch connecting rod
And low-pressure nitrogen is filled with into the annular chamber for squeezing formed punch rear end by its venthole；
Step 4 continues driving extruding formed punch by extruding and supercharge control system to the movement of mold cavity one end and in pressing material
After the spray material port of cylinder is opened, continue to be filled with low pressure nitrogen in the annular chamber between the split formed punch snap-gauge and extruding formed punch of closure
Gas, so that the high temperature aluminium alloys molten metal bath squeezed in barrel, feed nozzle seat and stalk is back to low-pressure nitrogen heat preservation
In furnace；
Step 5, split formed punch snap-gauge are opened and are resetted, and squeeze and supercharge control system continues driving and squeezes formed punch to mold cavity
One end is mobile, and the high temperature aluminium alloys molten metal bath squeezed in barrel is squeezed or die casting enters in mold cavity；
Step 6, extruding and supercharge control system continue driving and squeeze formed punch to the movement of mold cavity one end, in by mold cavity
When being filled with al alloy molten metal liquid, squeezes and supercharge control system instantaneously provides " the first pressurization " of injection pressurization, make to cast
The surface of part reaches the quality requirement of die casting；
Step 7, when extruding and supercharge control system complete filling and completion " the first pressurization " to casting, by activated actuator pump system
Or high pressure accumulator adds the multistage compression system of proportional pressure-reducing valve composition while starting, and it is peculiar to have started " Extrution casting technique " institute
" multistage extruding feeding " technical process, i.e. boost pressure putting off and stepping up and reach that setting is maximum (to squeeze at any time
Pressure) pressure, formed punch is squeezed under the high-pressure effect of this multistage compression system, constantly to the melting in liquid or semisolid
Apply pressure on metal, until its final completely cooling, solidification；
Step 8, casting are opened and discharge after cooling.
By using above-mentioned technical proposal, obtain in superelevation than depressing the premium casting of crystallization and freezing, while effectively avoiding
Because than press it is high, generate excessive " clamp force " due to increase the demoulding difficulty of casting.
The present invention is further arranged to: in step 3, after squeezing the spray material port on formed punch closure extruding barrel, vacuum
System connect with mold cavity and carries out vacuum pumping.
By using above-mentioned technical proposal, for having the casting of special " vacuumizing " demand casting in casting technique
It makes, increases the yield rate of production efficiency and casting of the Squeezing die casting machine when producing corresponding casting.
In conclusion the invention has the following advantages:
1, it solves to lead to production pause, castability instability problem because of the inner cavity of feed nozzle seat and stalk because of serious sizing
Generation, enable to squeeze Die Casting and be carried out continuously and then be obviously improved the production efficiency and quality and benifit of casting；
2, it is designed by the pressure charging system of special " multistage pressurization feeding ", so that in the technical process for implementing extrusion casting method
In, the premium casting in superelevation than depressing crystallization and freezing can be obtained, while effectively avoiding because initially high, generation is excessive than pressing
" clamp force " and increase the clamp force of Squeezing die casting machine and the intrinsic contradictions such as demoulding difficulty for increasing casting；
3, the automation for realizing Foundry Production process, while the labor intensity for significantly reducing worker, improving working efficiency, drop
The low dependence to worker's die casting technical ability can obtain permanent and stable guarantee for product quality and lay good basis.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the invention into material return system；
Fig. 2 is the structural schematic diagram of Squeezing die casting machine of the invention.
Description of symbols: 1, barrel is squeezed；101, mainframe；102, main fuel tank pedestal；103, mould assembly pump-up system；
104, into material return system；105, lift adjustment mechanism；106, vacuum system；107, extruding and supercharge control system；108, secondary oil
Bottom seat；109, slave frame；110, electric-control system；111, multistage compression system；2, charging barrel thermal insulation sleeve；3, feed nozzle pedestal；4,
Blank cover；5, lifting cylinder；6, spraying pneumatic bar；7, split formed punch snap-gauge；8, formed punch is squeezed；9, formed punch connecting rod；10, it sprays
Expect mouth seat；11, stalk；12, metal liquid level meter；13, fixation clip；14, low-pressure nitrogen holding furnace；141, nitrogen disengaging control
Pipe；15, liquid pipe muff；16, cover half mounting plate；17, extrusion die cover half.
Specific embodiment
To keep technical solution of the present invention and advantage clearer, the present invention is made below with reference to attached drawing further detailed
Explanation.
Embodiment one
As shown in Figure 1, a kind of into material return system 104, including the extruding barrel 1, separate with extruding barrel 1 being connect with mold cavity
The low-pressure nitrogen holding furnace of the stalk 11 and storage high temperature aluminium alloys molten metal bath that are connected on the downside of one end of mold cavity
14.It is provided in the discharge end for squeezing barrel 1 for squeezing the extrusion die cover half 17 and cover half mounting plate that barrel 1 sequentially passes through
16, the discharge end for squeezing barrel 1 matches after passing through cover half mounting plate 16 with mold cavity location, and then will be so that cover half is installed
Plate 16 and extrusion die cover half 17 play the discharge end of stable fixed press barrel 1, while reducing the discharge end for squeezing barrel 1
With the effect of the difficulty of matching of mold cavity, the matching precision of the discharge end and mold cavity that squeeze barrel 1 is effectively promoted.It needs
It is mentioned that, squeezes barrel 1 and be socketed with charging barrel thermal insulation sleeve 2, and stalk 11 is socketed with liquid pipe muff 15.Therefore, barrel is protected
Temperature set 2 and liquid pipe muff 15 have respectively played the high temperature aluminium alloys molten metal bath squeezed in barrel 1 and 11 sets of stalk
The insulation effect of effect.
As shown in Figure 1, in the lower end insertion low-pressure nitrogen holding furnace 14 of stalk 11 and being located at high temperature aluminium alloys melting gold
Under the liquid level for belonging to liquid.The upper end of low-pressure nitrogen holding furnace 14 is provided with nitrogen disengaging control pipe 141, is passed in and out and is controlled by nitrogen
Tubulation 141 controls will be to the high temperature aluminium alloys being located in low-pressure nitrogen holding furnace 14 after nitrogen enters in low-pressure nitrogen holding furnace 14
Molten metal bath forms downward extruding force, and then the high temperature aluminium alloys molten metal bath for the power that be squeezed is passed through stalk
11 enter in extruding barrel 1, and high temperature aluminium alloys molten metal bath is effectively avoided to cause to aoxidize due to oxygen-enriched air contact,
And then shadow casting quality, production efficiency and reliability.It is plugged with close to one end of stalk 11 by pressing material squeezing barrel 1
High temperature aluminium alloys molten metal bath in cylinder 1 is squeezed into the extruding formed punch 8 in mold cavity.Therefore, will in extrusion casint and
It is realized when die casting and guarantees high temperature aluminium alloys molten metal bath and oxygen-enriched air exclusion, effectively avoid high temperature aluminium alloys molten to reach
Melting molten metal influences the purpose of casting quality, production efficiency and reliability because of oxidation.At the same time, formed punch 8 is being squeezed
The formed punch connecting rod 9 that diameter is less than extruding 8 diameter of formed punch is connected with far from the one end for squeezing barrel 1.Barrel 1 is squeezed to be additionally provided with
For the split formed punch snap-gauge 7 with 9 pneumostop of formed punch connecting rod, and split formed punch snap-gauge 7 is provided with and leads into stalk 11
The venthole of gas, and then after squeezing at the upper end opening that formed punch 8 moves through stalk 11 to mold cavity, nitrogen passes through
Venthole enters in the annular chamber for squeezing 8 rear end of formed punch, is self-possessed in nitrogen pressure and high temperature aluminium alloys molten metal bath dual
Under effect, the high temperature aluminium alloys molten metal bath surplus on feed nozzle and its underpart (i.e. 11 top of stalk) will immediately rapidly
Flow back into the lower part of stalk 11 and flushed with the furnace inner metal liquid face of low-pressure nitrogen holding furnace 14, thus complete " feed back " and
Inside " nitrogen covering " entire stalk 11, effectively completely cuts off low-pressure nitrogen holding furnace 14 and oxygen-enriched air, high temperature aluminum is avoided to close
Golden molten metal bath directly contacts with air and influences casting quality, production efficiency and reliability.
As shown in Figure 1, the upper end of stalk 11 be connected with it is fixed by feed nozzle pedestal 3 and with squeeze what barrel 1 was connected to
Feed nozzle seat 10.And the lower end of stalk 11 is provided with the fixation clip 13 for connecting with low-pressure nitrogen holding furnace 14, Gu
Fixed pressuring plate 13 and the lower end of stalk 11 are used connect around property, i.e., stalk 11 be compacted after fixation clip 13 with it is close
Envelope, and there is the space swung by a small margin simultaneously, after solving the extruding barrel 1 because using different length, feed nozzle seat 10 and spray
Expect the quick of mouth pedestal 3 and reliably docks problem.Squeeze barrel 1 upper end be plugged with in 10 upper end opening of feed nozzle seat
Under corresponding blank cover 4.Blank cover 4 is connected with driving blank cover 4 and does the lifting cylinder 5 of vertical lifting movement and insert
It is connected to the metal liquid level meter 12 that measurement squeezes high temperature aluminium alloys molten metal bath liquid level in barrel 1.The back upper place for squeezing barrel 1 is set
It is equipped with and is entered by extruding 1 upper end opening of barrel and carry out the spraying pneumatic bar 6 of " barrel spraying ".Therefore, 10 He of feed nozzle seat
Stalk 11 significantly reduces the fixed difficulty of the replacement, angle adjustment and installation of stalk 11, to improve whole around property connection
A reliability for material return system；Metal liquid level meter 12 will make the casting of casting be in company the detection of liquid metal position
It is continuous, high-quality, reliably carry out state；Simultaneously after die sinking, squeezes formed punch 8 and return at once, and blank cover 4 is in lifting cylinder 5
Driving do far from after the movement for squeezing barrel 1, starting spraying pneumatic bar 6 is simultaneously carried out at barrel 1 and its upper end opening to squeezing
Liquid honing and spraying operation, and lifting cylinder 5 will drive blank cover 4 and pressing material after spraying pneumatic bar 6 fulfils assignment
The upper end opening lid of cylinder 1, which closes, to be fixed, and effectively solves to influence at feed liquid position detection and 11 upper end opening of stalk because of blocking
The problem of casting steadily processes.
As shown in Fig. 2, a kind of Squeezing die casting machine, including mainframe 101, positioned at 101 rear end of mainframe slave frame 109 with
And electric-control system 110.It is provided between mainframe 101 and slave frame 109 above-mentioned into material return system 104.At the same time, host
Be provided on frame 101 main fuel tank pedestal 102 and for the conjunction for matching and carrying out Die Casting into material return system 104
Type pump-up system 103；Auxiliary fuel tank pedestal 108 is provided on slave frame 109, for connecting simultaneously with described into material return system 104
High temperature aluminium alloys molten metal bath is squeezed into extruding in mold cavity and supercharge control system 107 and by servopump system
The multistage compression system 111 that system or high pressure accumulator add proportional pressure-reducing valve to form, mould assembly pump-up system 103 and extruding and pressurization
Control system 107 is connect with electric-control system 110, to achieve the purpose that stablize output control.Correspondingly, into material return system 104
With squeeze and supercharge control system 107, connect and into mold cavity inject high temperature aluminium alloys molten metal bath, realization casting pressure
The automation for casting production procedure reduces while the labor intensity for significantly reducing worker, improving working efficiency to worker's die casting
The dependence of technical ability obtains permanent and stable guarantee for product quality.The bottom into material return system 104 be provided with drive into return
The lift adjustment mechanism 105 that material system 104 is done elevating movement along the vertical direction and moved along the longitudinal direction.Therefore, in rising-falling tone
Complete machine structure 105 drives when doing lifting and front-rear position into material return system 104 and adjusting, be up to reduce lift adjustment mechanism 105 with
It squeezes and supercharge control system 107 and related system is connected and fixed the purpose of difficulty, to reduce into material return system 104
Maintenance, maintenance difficulties, promote the practicability of the Squeezing die casting machine.It should be noted that being also set up in mould assembly pump-up system 103
Have and the matched vacuum system 106 of mold cavity.By the setting of vacuum system 106, when encounter in casting technique have it is special
" vacuumizing " demand casting when, casting actual production in be up to be obviously improved the Squeezing die casting machine Technological adaptability,
And fundamentally improve the purpose of qualified casting.
The present invention, which also resides in, provides a kind of casting method of Squeezing die casting machine, includes the following steps:
Step 1 is filled with nitrogen into low-pressure nitrogen holding furnace 14 by nitrogen disengaging control pipe 141, on alloy liquid level constantly
Make under the action of increased nitrogen pressure high temperature aluminium alloys molten metal bath pass sequentially through stalk 11 and feed nozzle seat 10 into
Enter to squeeze in barrel 1；
Step 2, the height or total amount for being measured by metal liquid level meter 12 and controlling injected high temperature aluminium alloys molten metal bath,
And the moment when the total amount of high temperature aluminium alloys molten metal bath reaches requirement, stop being filled with nitrogen into low-pressure nitrogen holding furnace 14
Gas simultaneously uses the air valve of big flux by the nitrogen quick release in furnace simultaneously；
Step 3 squeezes formed punch 8 to the movement of mold cavity one end by extruding and the driving of supercharge control system 107, and is squeezing punching
After blocking the spray material port for squeezing barrel 1 during first 8 low speed is mobile, the split closure of formed punch snap-gauge 7 is simultaneously formed with formed punch connecting rod 9
Pneumostop and by its venthole to squeeze 8 rear end of formed punch annular chamber in be filled with low-pressure nitrogen；
Step 4 is continued driving extruding formed punch 8 by extruding and supercharge control system 107 to the movement of mold cavity one end and squeezed
After the spray material port of binder cylinder 1 is opened, continue to be filled in the annular chamber between the split formed punch snap-gauge 7 and extruding formed punch 8 of closure
Low-pressure nitrogen so that squeeze barrel 1, the high temperature aluminium alloys molten metal bath in feed nozzle seat 10 and stalk 11 be back to it is low
It presses in nitrogen holding furnace 14；
Step 5, split formed punch snap-gauge 7 are opened and are resetted, and squeeze and supercharge control system 107 continues driving and squeezes formed punch 8 to mould
Tool type chamber one end is mobile, and the high temperature aluminium alloys molten metal bath squeezed in barrel 1 is squeezed or die casting enters in mold cavity；
Step 6 squeezes and supercharge control system 107 continues driving to squeeze formed punch 8 mobile to mold cavity one end, by mould type
It is intracavitary when being filled with al alloy molten metal liquid, it squeezes and supercharge control system 107 instantaneously provides the " first to increase of injection pressurization
Pressure ", makes the surface of casting reach the quality requirement of die casting；
Step 7, when extruding and supercharge control system 107 complete filling and completion " the first pressurization " to casting, by servopump
System or high pressure accumulator add the multistage compression system of proportional pressure-reducing valve composition while starting, and have started " Extrution casting technique " institute
The technical process of distinctive " multistage extruding feeding ", i.e. boost pressure putting off and stepping up and to reach setting maximum at any time
(extruding) pressure squeezes formed punch 8 under the high-pressure effect of this multistage compression system, constantly in liquid or semisolid
Apply pressure on molten metal, until its final completely cooling, solidification；
Step 8, casting are opened and discharge after cooling.
By using the casting method of above-mentioned Squeezing die casting machine, premium casting of the superelevation than pressure crystallization, solidification is being obtained
While, effectively avoid because initially than press it is too high due to needs the die casting machine of use more large-tonnage " clamp force ", substantially reduce institute
The demoulding difficulty of squeeze casting.
Embodiment two
Embodiment two and embodiment one the difference is that, in the step 3 of the casting method of Squeezing die casting machine, rushed when squeezing
After first 8 block the spray material port for squeezing barrel 1, vacuum system 106 can connect and be vacuumized with the mold cavity that band vacuumizes
Operation, and then the casting requirement being used in casting technique with special " vacuumizing " demand casting will be met, increase this and squeezes
Press production efficiency and casting qualification rate of the die casting machine when producing corresponding casting.
The above description is only a preferred embodiment of the present invention, and protection scope of the present invention is not limited only to above-mentioned implementation
Example, as long as the technical solution belonged under thinking of the present invention all belongs to the scope of protection of the present invention.It should be pointed out that being led for this technology
For the those of ordinary skill in domain, several modifications and retouching without departing from the principles of the present invention, these are modified and retouching
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of into material return system, it is characterised in that: including the extruding barrel (1) being connect with mold cavity and the pressing material
Cylinder (1) is far from the stalk (11) being connected on the downside of one end of mold cavity and the low pressure for storing high temperature aluminium alloys molten metal bath
Nitrogen holding furnace (14), the lower end of the stalk (11) are inserted into the low-pressure nitrogen holding furnace (14) and are located at high temperature aluminum and close
Under the liquid level of golden molten metal bath, the upper end of the low-pressure nitrogen holding furnace (14) is provided with nitrogen disengaging control pipe (141),
Squeeze barrel (1) is plugged with close to the one end of the stalk (11) by the high temperature aluminium alloys in extruding barrel (1)
Molten metal bath squeezes or die casting enters the extruding formed punch (8) in mold cavity.
2. according to claim 1 a kind of into material return system, it is characterised in that: the extruding formed punch (8) is squeezed far from described
One end of binder cylinder (1) is connected with diameter and is less than the formed punch connecting rod (9) for squeezing formed punch (8) diameter, the extruding barrel
(1) it is additionally provided with for the split formed punch snap-gauge (7) with formed punch connecting rod (9) pneumostop, the split formed punch snap-gauge
(7) it is provided with the venthole inflated into the stalk (11).
3. according to claim 1 a kind of into material return system, it is characterised in that: the extruding barrel (1) is socketed with barrel
Muff (2), the stalk (11) are socketed with liquid pipe muff (15).
4. according to claim 1 a kind of into material return system, it is characterised in that: the upper end of the stalk (11) is connected with
The feed nozzle seat (10) being connected to extruding barrel (1), the upper end for squeezing barrel (1) are plugged with and the feed nozzle seat
(10) corresponding blank cover (4) above and below upper end opening, the blank cover (4) are connected with the driving blank cover (4) and do
The lifting cylinder (5) of vertical lifting movement is simultaneously plugged with the measurement interior high temperature aluminium alloys molten metal bath liquid of extruding barrel (1)
Position metal liquid level meter (12), it is described squeeze barrel (1) rear upside be provided with extruding barrel (1) upper end opening into
Enter and carry out the spraying pneumatic bar (6) of barrel spraying operation.
5. according to claim 1 a kind of into material return system, it is characterised in that: further include cover half mounting plate (16) and squeeze
Compression mould cover half (17), the discharge end for squeezing barrel (1) sequentially pass through the extrusion die cover half (17) and the cover half
Mounting plate (16) simultaneously matches with the position of mold cavity.
6. a kind of Squeezing die casting machine, it is characterised in that: including mainframe (101), positioned at the slave of the mainframe (101) rear end
Frame (109) and electric-control system (110) are arranged between the mainframe (101) and the slave frame (109) just like claim
Into material return system (104) described in 1-5, be provided on the mainframe (101) main fuel tank pedestal (102) and for it is described
The mould assembly pump-up system (103) for carrying out Die Casting is matched into material return system (104), is provided with pair on the slave frame (109)
Oil tank base support (108), for being connect into material return system (104) with described and high temperature aluminium alloys molten metal bath being squeezed into mould
The intracavitary extruding of tool type and supercharge control system (107) and proportional pressure-reducing valve is added to form by activated actuator pump system or high pressure accumulator
Multistage compression system (111), the mould assembly pump-up system (103), the extruding and supercharge control system (107) and multistage
Compression system is connect with the electric-control system (110).
7. a kind of Squeezing die casting machine according to claim 6, it is characterised in that: the bottom into material return system (104)
It is provided with the driving rising-falling tone complete machine doing elevating movement along the vertical direction into material return system (104) and moving along the longitudinal direction
Structure (105).
8. a kind of Squeezing die casting machine according to claim 6, it is characterised in that: mould assembly pump-up system (103) setting
Have and the matched vacuum system of mold cavity (106).
9. a kind of casting method of Squeezing die casting machine, which comprises the steps of:
Step 1 is filled with nitrogen into low-pressure nitrogen holding furnace (14) by nitrogen disengaging control pipe (141), on alloy liquid level
High temperature aluminium alloys molten metal bath is made to pass sequentially through stalk (11) and feed nozzle under the action of ever-increasing nitrogen pressure
Seat (10), which enters, to be squeezed in barrel (1)；
Step 2, the height for being measured by metal liquid level meter (12) and controlling injected high temperature aluminium alloys molten metal bath or total
Amount, and the moment when the total amount of high temperature aluminium alloys molten metal bath reaches requirement stop into low-pressure nitrogen holding furnace (14)
It is filled with nitrogen and while using the air valve of big flux by the nitrogen quick release in furnace；
Step 3 squeezes formed punch (8) to the movement of mold cavity one end by extruding and supercharge control system (107) driving, and is squeezing
After the spray material port closure that barrel (1) will be squeezed during the low speed of pressure formed punch (8) is mobile, split formed punch snap-gauge (7) is closed and and formed punch
Connecting rod (9) forms pneumostop and is filled with low-pressure nitrogen into the annular chamber for squeezing formed punch (8) rear end by its venthole；
Step 4 continues to drive extruding formed punch (8) mobile simultaneously to mold cavity one end by extruding and supercharge control system (107)
After the spray material port for squeezing barrel (1) is opened, continue the ring between the split formed punch snap-gauge (7) and extruding formed punch (8) of closure
Shape is intracavitary to be filled with low-pressure nitrogen, so that the high temperature aluminium alloys in extruding barrel (1), feed nozzle seat (10) and stalk (11) are molten
Melt molten metal to be back in low-pressure nitrogen holding furnace (14)；
Step 5, split formed punch snap-gauge (7) are opened and are resetted, and squeeze and supercharge control system (107) continues driving and squeezes formed punch
(8) mobile to mold cavity one end, the high temperature aluminium alloys molten metal bath squeezed in barrel (1) is squeezed or die casting enters mold
Type is intracavitary；
Step 6, squeeze and supercharge control system (107) continue driving squeeze formed punch (8) it is mobile to mold cavity one end, by mould
Tool type is intracavitary when being filled with al alloy molten metal liquid, squeeze and supercharge control system (107) instantaneously provide injection pressurization " just
Secondary pressurization " makes the surface of casting reach the quality requirement of die casting；
Step 7, when extruding and supercharge control system (107) complete filling and completion " the first pressurization " to casting, by servo
Pumping system or high pressure accumulator add the multistage compression system (111) of proportional pressure-reducing valve composition while starting, and have started " extrusion casint
The technical process of technique " specific " multistage extruding feeding ", i.e. boost pressure putting off and stepping up and reach at any time
Maximum (extruding) pressure is set, formed punch (8) are squeezed under the high-pressure effect of this multistage compression system, constantly in liquid
Or apply pressure on the molten metal of semisolid, until its final completely cooling, solidification；
Step 8, casting are opened and discharge after cooling.
10. a kind of casting method of Squeezing die casting machine according to claim 9, it is characterised in that: in step 3, when crowded
After pressing formed punch (8) to block the spray material port squeezed on barrel (1), vacuum system (106) connect and is vacuumized with mold cavity
Operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910769530.5A CN110394438A (en) | 2019-08-20 | 2019-08-20 | One kind is into material return system, Squeezing die casting machine and its casting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910769530.5A CN110394438A (en) | 2019-08-20 | 2019-08-20 | One kind is into material return system, Squeezing die casting machine and its casting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110394438A true CN110394438A (en) | 2019-11-01 |
Family
ID=68328714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910769530.5A Pending CN110394438A (en) | 2019-08-20 | 2019-08-20 | One kind is into material return system, Squeezing die casting machine and its casting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110394438A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112123613A (en) * | 2020-09-10 | 2020-12-25 | 衡阳市衡山科学城科技创新服务有限公司 | Production equipment for negative template structured ultrathin heat management material |
| CN115138821A (en) * | 2022-06-24 | 2022-10-04 | 昆山友人铸造有限公司 | Liquid raw material extrusion casting conveying pipe |
| CN115921814A (en) * | 2022-12-29 | 2023-04-07 | 广州和德轻量化成型技术有限公司 | Die casting machine and die casting method |
| CN117840406A (en) * | 2024-03-08 | 2024-04-09 | 北京航空航天大学 | Full-automatic casting production line for particle reinforced composite material |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB928063A (en) * | 1961-04-12 | 1963-06-06 | Die Casting Machine Tools Ltd | Improvements in or relating to die casting machines |
| JP2000024767A (en) * | 1998-07-14 | 2000-01-25 | Takashi Ikeda | Molten metal supplying system for casting apparatus |
| JP2003220460A (en) * | 2002-01-29 | 2003-08-05 | Fujino Gijutsu Consultant:Kk | Die-cast casting machine and method therefor |
| JP2004122146A (en) * | 2002-09-30 | 2004-04-22 | Aisin Keikinzoku Co Ltd | High-pressure casting method for thick-walled product |
| JP2012245525A (en) * | 2011-05-25 | 2012-12-13 | Fujino Gijutsu Consultant:Kk | Die casting device and method |
| CN103817310A (en) * | 2014-01-23 | 2014-05-28 | 姚国志 | Intelligent alloy liquid state squeeze casting molding device |
| CN210334308U (en) * | 2019-08-20 | 2020-04-17 | 刘汝斌 | Feed-back system and extrusion die-casting machine |
-
2019
- 2019-08-20 CN CN201910769530.5A patent/CN110394438A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB928063A (en) * | 1961-04-12 | 1963-06-06 | Die Casting Machine Tools Ltd | Improvements in or relating to die casting machines |
| JP2000024767A (en) * | 1998-07-14 | 2000-01-25 | Takashi Ikeda | Molten metal supplying system for casting apparatus |
| JP2003220460A (en) * | 2002-01-29 | 2003-08-05 | Fujino Gijutsu Consultant:Kk | Die-cast casting machine and method therefor |
| JP2004122146A (en) * | 2002-09-30 | 2004-04-22 | Aisin Keikinzoku Co Ltd | High-pressure casting method for thick-walled product |
| JP2012245525A (en) * | 2011-05-25 | 2012-12-13 | Fujino Gijutsu Consultant:Kk | Die casting device and method |
| CN103817310A (en) * | 2014-01-23 | 2014-05-28 | 姚国志 | Intelligent alloy liquid state squeeze casting molding device |
| CN210334308U (en) * | 2019-08-20 | 2020-04-17 | 刘汝斌 | Feed-back system and extrusion die-casting machine |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112123613A (en) * | 2020-09-10 | 2020-12-25 | 衡阳市衡山科学城科技创新服务有限公司 | Production equipment for negative template structured ultrathin heat management material |
| CN115138821A (en) * | 2022-06-24 | 2022-10-04 | 昆山友人铸造有限公司 | Liquid raw material extrusion casting conveying pipe |
| CN115138821B (en) * | 2022-06-24 | 2024-03-12 | 昆山友人铸造有限公司 | Liquid raw material extrusion casting feeding pipe |
| CN115921814A (en) * | 2022-12-29 | 2023-04-07 | 广州和德轻量化成型技术有限公司 | Die casting machine and die casting method |
| CN117840406A (en) * | 2024-03-08 | 2024-04-09 | 北京航空航天大学 | Full-automatic casting production line for particle reinforced composite material |
| CN117840406B (en) * | 2024-03-08 | 2024-05-28 | 北京航空航天大学 | Full-automatic casting production line for particle reinforced composite material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110394438A (en) | One kind is into material return system, Squeezing die casting machine and its casting method | |
| CN101342584B (en) | Liquid processing technique for magnesium, aluminum and special equipment thereof | |
| CN201102062Y (en) | Liquid condition processing device of magnesium, aluminum alloy | |
| CN108311658A (en) | Vacuum low speed pressure casting method | |
| CN103978183A (en) | Differential pressure casting machine and casting method | |
| CN2204209Y (en) | Vacuum-pressured casting device | |
| CN109332631A (en) | A kind of communication box body hypothermia die-casting process | |
| CN111069569A (en) | Low-pressure filling type gravity compensation type casting mold and casting method thereof | |
| CN210334308U (en) | Feed-back system and extrusion die-casting machine | |
| CN102909357A (en) | Quantitative pouring method of light alloy melt | |
| CN212443158U (en) | Vacuum melting atmosphere protection semi-continuous casting system | |
| CN114799116A (en) | Die casting die of precision die casting | |
| CN208303836U (en) | A kind of aluminum alloy die-casting die | |
| CN207746381U (en) | A kind of aluminum alloy chassis hollow thin-wall fore sub frame metal gravity casting die | |
| WO2013131405A1 (en) | Low-pressure casting device | |
| CN211101530U (en) | Novel pressure casting device | |
| CN1322948C (en) | Mould and method for preparation high-pressure switch cast aluminium can | |
| CN211803763U (en) | Low-pressure filling type gravity compensation casting mould | |
| CN108620548A (en) | A kind of intermittent feed liquor hot chamber machine | |
| CN213317613U (en) | Non ferrous metal alloy aluminium alloy ingot die-casting device | |
| CN1322950C (en) | Warm house low pressure casting method for alloy casting and casting machine thereof | |
| CN108262463B (en) | Differential pressure casting machine with components of a whole that can function independently autoclave structure | |
| CN208712835U (en) | A kind of negative pressure feeding structure | |
| CN106735081A (en) | A kind of counter-pressure casting machine and casting method | |
| CN112548074A (en) | Pressure-regulating filling type high-pressure solidification casting device and casting method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |