CN101954470A - Vacuum die-casting system of die-casting machine - Google Patents

Vacuum die-casting system of die-casting machine Download PDF

Info

Publication number
CN101954470A
CN101954470A CN2010105257428A CN201010525742A CN101954470A CN 101954470 A CN101954470 A CN 101954470A CN 2010105257428 A CN2010105257428 A CN 2010105257428A CN 201010525742 A CN201010525742 A CN 201010525742A CN 101954470 A CN101954470 A CN 101954470A
Authority
CN
China
Prior art keywords
die
casting
vacuum
die casting
casting machine
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
Application number
CN2010105257428A
Other languages
Chinese (zh)
Inventor
曾月梅
汤铁装
李卫荣
杨洁丹
周剑
王猛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DONGGUAN YIAN ELECTRICAL APPARATUS PRODUCTS Co Ltd
Original Assignee
DONGGUAN YIAN ELECTRICAL APPARATUS PRODUCTS Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by DONGGUAN YIAN ELECTRICAL APPARATUS PRODUCTS Co Ltd filed Critical DONGGUAN YIAN ELECTRICAL APPARATUS PRODUCTS Co Ltd
Priority to CN2010105257428A priority Critical patent/CN101954470A/en
Publication of CN101954470A publication Critical patent/CN101954470A/en
Pending legal-status Critical Current

Links

Images

Landscapes

  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Abstract

The invention discloses a vacuum die-casting system of a die-casting machine, which comprises the die-casting machine, a fixed-mold wallboard of a die casting mold, and a vacuum program control device of a die-casting system, wherein the vacuum die-casting system of the die-casting machine is arranged on the fixed-mold wallboard, the template of the fixed-mold wallboard of the die casting mold is provided with a channel, the outlet of the channel is connected with a vacuumizing device consisting of a vacuum pump, a negative pressure tank, a filter and a vacuum shut-off valve of the die casting mold by pipes; a channel leading to the center of the template of the die casting mold is connected with a casing pipe, the inner end of the casing pipe is communicated with a cavity of the template of the die casting mold, and a valve rod connected with a piston rod of an oil cylinder on the fixed-mold wallboard is arranged in a hole arranged at the outer end of the casing pipe. When carrying out die assembling on the die casting mold of the die-casting machine, by aid of the negative pressure produced by the vacuum pump of the vacuum die-casting system, the invention instantaneously extracts gases in the cavity and the pipe of the template of the mold, and closes the channel timely when the cavity is filled with molten metals, thereby preventing the molten metals from entering the vacuum pipelines so as to carry out die-casting molding on the molten metals in a vacuum.

Description

Die casting machine evacuated die-casting process system
Technical field
The invention belongs to the metal forming technical field.Relate to a kind of evacuated die-casting process technology, be specifically related to a kind of die casting machine evacuated die-casting process system.
Background technology
Casting forming is that liquid metal is under the high pressure effect, with high speed filling mold cavity, and cooled and solidified and obtain a kind of forming technology of foundry goods under pressure.Because molten metal is with high velocity jet state filling die cavity, most of gas in the die cavity has little time to discharge, and be rolled in the molten metal inevitably, and retain in the die casting with form of pinholes, cause forming in the die casting comparatively serious gas hole defect, the inherent quality of product exists certain problem, so common die casting can not be heat-treated, can not weld, therefore make the mechanical property of die casting itself can not get further raising, the expansion and the expansion of die casting application are restricted.
In order to improve the inherent quality of product in the casting forming technology, most of gas when avoiding die casting in the die cavity is rolled in the molten metal and forms pore and retain in the die casting, realizes that evacuated die-casting process just becomes newer research topic in the metal forming technical field.
And evacuated die-casting process at first is the passage of an eliminating is provided will for gas in the casting die die cavity, extracts the gas in the die cavity, guarantees that gas non-involvement in the die cavity is in molten metal; The 2nd, after extracting gas, in time close this passage, stop molten metal to enter vacuum pipe, implement die casting then.But in evacuated die-casting process, particularly one of the bottleneck of (vacuum is more than 90KPa) and difficult point are the layout and the design of the vaccum stop valve of vacuum system in the high vacuum die-casting technique.
Summary of the invention
The present invention is in order to enlarge the use field of die casting, in conjunction with the certain methods of Ultra-Low Speed die casting, semisolid die casting, pore-free die casting, evacuated die-casting process, provides a kind of evacuated die-casting process system.That passes through is provided with the vaccum stop valve of installation in the evacuated die-casting process system, in press casting procedure, open effectively, take the gas in the die cavity away, and after die cavity realization vacuum, close in good time, make molten metal under the state of vacuum, fill type, solved the comparatively serious product inherent quality problem of existence in the existing casting forming technology.
The technical solution adopted in the present invention is, a kind of die casting machine evacuated die-casting process system, comprise die casting machine, and the vacuum presetting apparatus of the cover half wallboard of die casting and die-casting system, described die casting machine evacuated die-casting process system is arranged on the cover half wallboard, the template of described cover half wallboard die casting is provided with a passage, and the outlet of passage connects the die casting vacuum extractor of being made up of vavuum pump, negative-pressure cup, filter, vaccum stop valve successively by pipeline; Connect a sleeve pipe in the passage that leads to die casting template center, the inner end of sleeve pipe communicates with the die cavity of die casting template, is equipped with in the hole of sleeve pipe outer end the valve rod that piston rod connected that oil cylinder is installed is set on the cover half wallboard.
Die casting machine evacuated die-casting process of the present invention system, its feature also be,
Described die casting machine evacuated die-casting process system also is provided with the cast gate inductive switch on the die casting machine injection guide post.
Described die casting machine evacuated die-casting process system is provided with stage casing inductive switch, back segment inductive switch.
The vacuum presetting apparatus of described die-casting system comprises the collector that is connected by computer control, and the collector transmitter that is connected with vacuum pipe of setting and negative-pressure cup respectively.
Die casting machine evacuated die-casting process of the present invention system is at particularly the bottleneck technology and the design difficulty of high vacuum die-casting technique (vacuum is more than 90KPa) in the evacuated die-casting process, adopt the project organization of evacuated die-casting process system and vaccum stop valve, the passage of an eliminating is provided to the gas in the die casting die cavity of die casting machine die casting; By the vaccum stop valve that is provided with in the evacuated die-casting process system, in press casting procedure, open earlier effectively, take the gas in the die cavity away, realize closing bleed-off passage after the vacuum at die cavity subsequently in good time, stop molten metal to enter vacuum pipe, make molten metal under the state of vacuum, fill type, improve the inherent quality of product in the casting forming technology, most of gas when avoiding die casting in the die cavity is rolled in the molten metal and forms pore and retain in the die casting, reduce foundry goods internal porosity, defective such as loose, realize evacuated die-casting process, improve the mechanical property of foundry goods.
Evacuated die-casting process of the present invention is the same with common pressure casting method, and is easy to operate, production efficiency is high, does not increase the extra cost of die casting.
Description of drawings
Fig. 1 is a die casting machine evacuated die-casting process system architecture schematic diagram of the present invention;
Fig. 2 is a die casting machine evacuated die-casting process system vacuum presetting apparatus structural representation of the present invention.
Among the figure, 1. cover half wallboard, 2. template, 3. vavuum pump, 4. negative-pressure cup, 5. filter, 6. vaccum stop valve, 7. sleeve pipe, 8. oil cylinder, 9. valve rod, 10. cast gate inductive switch, 11. stage casing inductive switches, 12. the back segment inductive switch, 13. computers, 14. collectors, 15. transmitters, 16. injection plunger, 17. cast gates, 18. injection guide posts, 19 pipelines, 20. moving platen, 21. die castings, 22. magnetic valves, 23. compressed air.
The specific embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
A kind of die casting machine evacuated die-casting process system, comprise die casting machine, and the vacuum presetting apparatus of the cover half wallboard 1 of die casting and die-casting system, as shown in Figure 1, described die casting machine evacuated die-casting process system is arranged on the cover half wallboard 1, the template 2 of described cover half wallboard 1 die casting is provided with a passage, and the outlet of passage connects the die casting vacuum extractor of being made up of vavuum pump 3, negative-pressure cup 4, filter 5, vaccum stop valve 6 successively by pipeline; Connect a sleeve pipe 7 in the passage that leads to die casting template 2 centers, the inner end of sleeve pipe 7 communicates with the die cavity of die casting template 2, is equipped with in the hole of sleeve pipe 7 outer ends the valve rod that piston rod connected 9 that oil cylinder 8 is installed is set on the cover half wallboard 1; Described die casting machine evacuated die-casting process system also is provided with cast gate inductive switch 10 on the die casting machine injection guide post, described die casting machine evacuated die-casting process system is provided with stage casing inductive switch 11, back segment inductive switch 12.
The vacuum presetting apparatus of the described die-casting system of die casting machine evacuated die-casting process system of the present invention as shown in Figure 2, comprises the collector 14 by computer 13 control connections, and collector 14 is provided with the transmitter 15 that is connected with vacuum pipe with negative-pressure cup 4 respectively.
Die casting machine evacuated die-casting process of the present invention system mould template 2 die cavities are provided with an exhaust passage, behind die casting machine die casting matched moulds, carry out pipeline forvacuum, at this moment, when injection plunger 16 arrives the position of sealing cast gate 17 under the driving of injection oil cylinder, cast gate inductive switch 10 inductions that are provided with on the die casting machine injection guide post 18, the valve rod 9 of oil cylinder 8 retreats, open the exhaust passage on template 2 die cavities, die casting machine evacuated die-casting process system is by vavuum pump 3, negative-pressure cup 4, filter 5, the die casting vacuum extractor that vaccum stop valve 6 is formed, computer 13 control operations according to the vacuum presetting apparatus, the collector 14 of machine 13 control connections as calculated, and collector 14 is provided with transmitter 15 output orders that are connected with vacuum pipe with negative-pressure cup 4 respectively, vaccum stop valve 6 on the vacuum pipe is opened, the gas of mould template 2 die cavities and pipeline is via vaccum stop valve 6, filter 5, the negative pressure that is produced by vavuum pump 3 operations is pumped into negative-pressure cup 4, mould template 2 die cavities form vacuum, when injection plunger 16 when the driving of injection oil cylinder is issued to the fast shot transfer point, the stage casing inductive switch 11 induction actions that are provided with on the oil cylinder 8, the valve rod 9 of oil cylinder 8 advances, insert sleeve pipe 7 fully, passage on the template 2 of sealing die casting, back segment inductive switch 12 induction actions then, close the vaccum stop valve 6 on the vacuum pipe, after the complete closed pipeline prevented that molten metal from sucking vacuum pipe formation obstruction, injection plunger 16 carried out fast shot under the driving of injection oil cylinder.The pressurize certain hour, foundry goods evacuated die-casting process finishes, and die casting machine moving platen 20 retreats die sinking, takes out die casting 21, opens magnetic valve 22, with compressed air 23 cleaning moulds 2 die cavities, carries out next round evacuated die-casting process circulation.
Die casting machine evacuated die-casting process of the present invention system, the negative pressure of bleeding and producing by evacuated die-casting process system vacuum pump 3, when die casting machine die casting matched moulds, after vaccum stop valve 6 is opened, valve rod 9 in the sleeve pipe 7 outer stomidiums retreats, the instantaneous gas of taking mould 2 template die cavities and pipeline away, and when molten metal fills type punctual closing passage, prevent that molten metal from entering vacuum pipe, make molten metal die casting under the state of vacuum fill type.Improved the inherent quality of casting forming product thus, most of gas when avoiding die casting in the die cavity is rolled in the molten metal and forms pore and retain in the foundry goods, reduce foundry goods internal porosity, defective such as loose, realized evacuated die-casting process, improved the mechanical property of foundry goods.
Above-mentioned embodiment is an an example of the present invention, is not to be used for limiting enforcement of the present invention and interest field, and all equivalences of making according to the described content of the present patent application scope of patent protection change and modify, and all should be included in the present patent application claim.

Claims (4)

1. die casting machine evacuated die-casting process system, comprise die casting machine, and the cover half wallboard (1) of die casting and the vacuum presetting apparatus of die-casting system, it is characterized in that, described die casting machine evacuated die-casting process system is arranged on the cover half wallboard (1), the template (2) of described cover half wallboard (1) die casting is provided with a passage, and the outlet of passage connects the die casting vacuum extractor of being made up of vavuum pump (3), negative-pressure cup (4), filter (5), vaccum stop valve (6) successively by pipeline; Connect a sleeve pipe (7) in the passage that leads to die casting template (2) center, the inner end of sleeve pipe (7) communicates with the die cavity of die casting template (2), is equipped with in the hole of sleeve pipe (7) outer end the valve rod that piston rod connected (9) that oil cylinder (8) is installed is set on the cover half wallboard (1).
2. die casting machine evacuated die-casting process according to claim 1 system is characterized in that, described die casting machine evacuated die-casting process system also is provided with cast gate inductive switch (10) on the die casting machine injection guide post.
3. die casting machine evacuated die-casting process according to claim 1 system is characterized in that, described die casting machine evacuated die-casting process system is provided with stage casing inductive switch (11), back segment inductive switch (12).
4. die casting machine evacuated die-casting process according to claim 1 system, it is characterized in that, the vacuum presetting apparatus of described die-casting system comprises the collector (14) by computer (13) control connection, and collector (14) is provided with the transmitter (15) that is connected with vacuum pipe with negative-pressure cup (4) respectively.
CN2010105257428A 2010-11-01 2010-11-01 Vacuum die-casting system of die-casting machine Pending CN101954470A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010105257428A CN101954470A (en) 2010-11-01 2010-11-01 Vacuum die-casting system of die-casting machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010105257428A CN101954470A (en) 2010-11-01 2010-11-01 Vacuum die-casting system of die-casting machine

Publications (1)

Publication Number Publication Date
CN101954470A true CN101954470A (en) 2011-01-26

Family

ID=43482195

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010105257428A Pending CN101954470A (en) 2010-11-01 2010-11-01 Vacuum die-casting system of die-casting machine

Country Status (1)

Country Link
CN (1) CN101954470A (en)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103212687A (en) * 2012-01-19 2013-07-24 香港生产力促进局 Casting device and casting method for wheel disc workpieces
CN103817308A (en) * 2014-02-21 2014-05-28 广东鸿图科技股份有限公司 Punch for high-vacuum die casting and lubrication device for punch
CN104023876A (en) * 2011-09-30 2014-09-03 科卢斯博知识产权有限公司 Injection molding of amorphous alloy using an injection molding system
CN104174830A (en) * 2013-05-27 2014-12-03 舒乐绞扭机有限责任公司 Casting device with an annular duct and a casting method
US8919422B2 (en) 2011-02-18 2014-12-30 United Technologies Corporation Die casting system and cell
CN104772446A (en) * 2015-04-27 2015-07-15 雄邦压铸(南通)有限公司 Mold vacuum pumping device
CN104841906A (en) * 2015-06-05 2015-08-19 芜湖舜富压铸制造有限公司 Vacuum die casting system and vacuumizing method thereof
CN104907523A (en) * 2015-04-22 2015-09-16 美诺精密压铸(上海)有限公司 Exhaust core structure and vacuum die-casting system
CN106077567A (en) * 2016-08-10 2016-11-09 江苏金润汽车传动科技有限公司 Hydraulic valve plate casting evacuation oxygenation die device
CN107020361A (en) * 2017-04-17 2017-08-08 上海万泰汽车零部件有限公司 Part of automobile engine microdiecast mould
CN111097888A (en) * 2020-02-24 2020-05-05 江苏睿甲金属科技股份有限公司 Double-pumping type vacuum die-casting system
CN111575547A (en) * 2020-06-13 2020-08-25 南通华众液压机械有限公司 Production process of cable clamp
US11179772B2 (en) 2019-06-20 2021-11-23 Midland Technologies, Inc. Vacuum sensor system for high pressure die casting
CN113814372A (en) * 2021-10-15 2021-12-21 常州艾可特机电科技有限公司 Vacuum die-casting control method, system and equipment

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001205425A (en) * 2000-01-18 2001-07-31 Hiroshima Aluminum Industry Co Ltd Automatic molten metal feeder
EP1524048A1 (en) * 2003-10-15 2005-04-20 Fondarex S.A. Diecasting or injection moulding machine and actuation as well as post compression unit and control therof
CN1709613A (en) * 2004-06-17 2005-12-21 东芝机械株式会社 Vacuum control device for press caster and method thereof
CN1798622A (en) * 2003-06-03 2006-07-05 高东瑾 Die casting machine and casting method by thereof machine
CN101791686A (en) * 2008-11-01 2010-08-04 吴为国 Vacuum pressure casting machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001205425A (en) * 2000-01-18 2001-07-31 Hiroshima Aluminum Industry Co Ltd Automatic molten metal feeder
CN1798622A (en) * 2003-06-03 2006-07-05 高东瑾 Die casting machine and casting method by thereof machine
EP1524048A1 (en) * 2003-10-15 2005-04-20 Fondarex S.A. Diecasting or injection moulding machine and actuation as well as post compression unit and control therof
CN1709613A (en) * 2004-06-17 2005-12-21 东芝机械株式会社 Vacuum control device for press caster and method thereof
CN101791686A (en) * 2008-11-01 2010-08-04 吴为国 Vacuum pressure casting machine

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9878368B2 (en) 2011-02-18 2018-01-30 United Technologies Corporation Die casting system and cell
US8919422B2 (en) 2011-02-18 2014-12-30 United Technologies Corporation Die casting system and cell
US9289823B2 (en) 2011-02-18 2016-03-22 United Technologies Corporation Die casting system and cell
CN104023876A (en) * 2011-09-30 2014-09-03 科卢斯博知识产权有限公司 Injection molding of amorphous alloy using an injection molding system
CN103212687A (en) * 2012-01-19 2013-07-24 香港生产力促进局 Casting device and casting method for wheel disc workpieces
CN104174830A (en) * 2013-05-27 2014-12-03 舒乐绞扭机有限责任公司 Casting device with an annular duct and a casting method
CN104174830B (en) * 2013-05-27 2019-03-26 舒乐绞扭机有限责任公司 Pouring device and casting method with circulating line
CN103817308A (en) * 2014-02-21 2014-05-28 广东鸿图科技股份有限公司 Punch for high-vacuum die casting and lubrication device for punch
CN103817308B (en) * 2014-02-21 2016-01-20 广东鸿图科技股份有限公司 A kind of high vacuum die casting drift and the lubricating arrangement for this drift
CN104907523A (en) * 2015-04-22 2015-09-16 美诺精密压铸(上海)有限公司 Exhaust core structure and vacuum die-casting system
CN104772446A (en) * 2015-04-27 2015-07-15 雄邦压铸(南通)有限公司 Mold vacuum pumping device
CN104841906A (en) * 2015-06-05 2015-08-19 芜湖舜富压铸制造有限公司 Vacuum die casting system and vacuumizing method thereof
CN106077567A (en) * 2016-08-10 2016-11-09 江苏金润汽车传动科技有限公司 Hydraulic valve plate casting evacuation oxygenation die device
CN107020361B (en) * 2017-04-17 2018-11-16 上海永茂泰汽车零部件有限公司 Part of automobile engine microdiecast mold
CN107020361A (en) * 2017-04-17 2017-08-08 上海万泰汽车零部件有限公司 Part of automobile engine microdiecast mould
US11179772B2 (en) 2019-06-20 2021-11-23 Midland Technologies, Inc. Vacuum sensor system for high pressure die casting
US11529677B2 (en) 2019-06-20 2022-12-20 Midland Technologies, Inc. Vacuum sensor system for high pressure die casting
CN111097888A (en) * 2020-02-24 2020-05-05 江苏睿甲金属科技股份有限公司 Double-pumping type vacuum die-casting system
CN111575547A (en) * 2020-06-13 2020-08-25 南通华众液压机械有限公司 Production process of cable clamp
CN113814372A (en) * 2021-10-15 2021-12-21 常州艾可特机电科技有限公司 Vacuum die-casting control method, system and equipment

Similar Documents

Publication Publication Date Title
CN101954470A (en) Vacuum die-casting system of die-casting machine
CN108480597B (en) A kind of condition of high vacuum degree of die casting fast implements device
CN102145381B (en) Vacuum apparatus used for high vacuum die casting
CN102950270B (en) Multidirectional evacuating device for die-casting
CN103567413A (en) Die-casting device for solving air hole defect of die-casting product and die-casting process thereof
CN103624232B (en) A kind of efficient high vacuum melting pressure casting method and former thereof
CN104907523A (en) Exhaust core structure and vacuum die-casting system
CN204524225U (en) Discharge type cored structure and evacuated die-casting process system
CN201768895U (en) Casting die vacuumizing structure
CN104841906A (en) Vacuum die casting system and vacuumizing method thereof
CN105642862A (en) Vacuum die-casting device and method
CN201405038Y (en) Exhaust device for sand casting
CN201913225U (en) Die casting mold used for manufacturing clutch driving discs
CN101704085B (en) Vacuum exhaust system for die casting
CN201921978U (en) Dissolved die casting equipment
CN105290377B (en) Pneumatic control device and control method of large vacuum pressurization casting equipment
CN201127988Y (en) High-pressure casting mold capable of improving low-pressure casting machine into high-pressure casting machine
CN201338073Y (en) Plunger type vacuum wax injector
CN106735074A (en) A kind of apparatus for pouring for high-pressure casting mould
CN102554181B (en) Die casting mold for manufacturing clutch driving disc
CN204657438U (en) There is the die casting of vacuum device
CN106694845A (en) High-vacuum mold for alloy die-casting formation
CN203751295U (en) Cavity vacuumizing die-casting mold
CN209255764U (en) A kind of casting mould of anti-shrinkage porosite
CN112276044A (en) Negative-pressure vacuum-pumping pouring method for high-pressure regulating valve 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
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20110126

WD01 Invention patent application deemed withdrawn after publication