CN103111598A - Induction type die-casting die exhaust device and exhaust method thereof - Google Patents
Induction type die-casting die exhaust device and exhaust method thereof Download PDFInfo
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- CN103111598A CN103111598A CN2013100447330A CN201310044733A CN103111598A CN 103111598 A CN103111598 A CN 103111598A CN 2013100447330 A CN2013100447330 A CN 2013100447330A CN 201310044733 A CN201310044733 A CN 201310044733A CN 103111598 A CN103111598 A CN 103111598A
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- 230000006698 induction Effects 0.000 title claims abstract description 54
- 238000004512 die casting Methods 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 24
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 33
- 239000000956 alloy Substances 0.000 claims abstract description 33
- 239000007788 liquid Substances 0.000 claims abstract description 33
- 239000007787 solid Substances 0.000 claims description 29
- 230000006835 compression Effects 0.000 claims description 24
- 238000007906 compression Methods 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 24
- 230000001939 inductive effect Effects 0.000 claims description 21
- 238000009413 insulation Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 14
- 230000006872 improvement Effects 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 abstract 1
- 230000001960 triggered effect Effects 0.000 abstract 1
- 230000008569 process Effects 0.000 description 9
- 238000005266 casting Methods 0.000 description 7
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- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 238000013022 venting Methods 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000037361 pathway Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
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- 239000007924 injection Substances 0.000 description 1
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- 238000000465 moulding Methods 0.000 description 1
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Abstract
The invention relates to an induction type die-casting die exhaust device and an exhaust method thereof, and aims at solving the technical problems that existing similar devices are complex in structure, poor in exhaust mode, and not ideal in effect, and have no protection measurements. According to the induction type die-casting die exhaust device, an exhaust channel is arranged on a moving die board and a fixed die board, and comprises an exhaust inlet, an induction cavity, a curved cavity, an annular cavity, a piston top cavity and an exhaust outlet from bottom to top in sequence. Two induction bars which are not through at the beginning are arranged on the induction position, and a controller is connected outside the induction bars. The controller is connected with a sealed piston in the piston top cavity. After die-casting alloy liquid enters the induction cavity of the exhaust channel, the induction bars are in breakover, and the controller and the sealed piston are triggered to seal the piston top cavity, so that the die-casting alloy liquid is timely blocked before the piston top cavity of the exhaust channel. The induction type die-casting die exhaust device is simple in structure, and the exhaust method is intelligent, safe and reliable. Exhaust effect is good, and the induction type die-casting die exhaust device is suitable for being used as the exhaust device of die-casting molds or as structural improvement of similar products.
Description
Technical field
The present invention relates to a kind of compression mod exhaust apparatus, is a kind of induction type compression mod exhaust apparatus and method for exhausting thereof.
Background technology
The die venting device is an important composition of die casting, to reduce as far as possible the quality problems that occurs after the foundry goods moulding.Existing die venting device, as the application for a patent for invention of Chinese patent literature publication numbers 201210338186.2, open day is on June 17th, 2009, name is called " die venting device ", the exhaust passage that it discloses a kind of vertical parting face is zigzag structure, the die venting device that it provides is open, molten metal is subjected to the effect of cooling water in exhaustion plate, molten metal flows through repeatedly turnover, generally stops flowing in the 7th tooth to the 8 tooth place's natural coagulations; Particularly: channel depth is limited, and when channel depth surpassed 0.4mm, the mobile stroke of molten metal will be strengthened in the exhaust passage of conventional design; Be molten metal when injection will outside rush down, very dangerous, can guarantee safety although lengthen exhaustion plate, due to the increase of casting projected area, mould structure need be adjusted, die casting machine need reselect, the tale quale structure, casting quality also can not be guaranteed.Simultaneously, the width of exhaust passage is generally in about 70mm, and passage is super strengthens the casting area when wide, will affect clamp force; Moreover such exhaust passage cross-sectional area only is about 30mm
2Although apparatus structure is simple, easy to use, exhaust effect is not good enough.
And for example the application for a patent for invention of Chinese patent literature publication number is 200780021079.4, and open day is on June 17th, 2009, and name is called " reduced pressure casting method and reduced pressure casting apparatus ", and it discloses a kind of technology of relevant exhaust duct cut-off.Although used vaccum-pumping equipment in this patent application, when the anomaly sxtructure stuck phenomenon appears in device, there is no safety and Protection, potential safety hazard is arranged, in addition, also there is scientific not enough problem in the setting of exhaust passage deadline; Particularly: the exhaust passage shut-in time can not accurately obtain; And then, can't control closing of vacuum extractor valve port in appropriate moment, when pathway closure was too early, exhaust effect was not good, and pathway closure is crossed when slow, and vaccum-pumping equipment will be damaged, and exhaust effect is unstable.
Relevant exhaust passage cut-off technology, Granted publication CN1096905C as the Chinese patent literature publication, December 25 2002 Granted publication day, the patent of invention name is called " compression mod is carried out the method for exhaust and implements the device of the method ", is not difficult to find out from its disclosed content, in this patent in disclosed method for exhausting in the past, although used vaccum-pumping equipment, but apparatus structure is too complicated, and the exhaust passage size is not clear and definite, and exhaust effect also can't be determined.
In addition, also just like the application for a patent for invention of Chinese patent literature publication numbers 201210285873.2, date of publication on November 28th, 2012, name is called " a kind of compression mod exhaust apparatus ", in its compression mod exhaust passage cut-off method of announcing, although also used vaccum-pumping equipment, but, the exhaust passage stopper relies on institute's exhaust body compressing pressurized plunger and locking-valve, and closes the exhaust passage by mechanical mechanism, and there is scientific not enough problem in the design of exhaust passage deadline; Particularly: the air in whole exhaust process in the exhaust passage is all compressed, and the timing node of closing passage is uncertain; In addition, rely in the exhaust passage compressed air driven mechanism lever to realize the valve port locking, the time of mechanism action is uncertain, also lacks the abnormal protection measure with timer.
In sum, existing compression mod exhaust apparatus exhaust structure is comparatively complicated, mode is not good enough, effect owes desirable, and air exit is not provided with safety protection structure, and there is certain potential safety hazard in exhaust process.
Summary of the invention
For overcoming above-mentioned deficiency, the objective of the invention is provides a kind of induction type compression mod exhaust apparatus and method for exhausting thereof to this area, makes that it solves existing same device complex structure, exhaust mode is not good enough, effect is undesirable and the technical problem of unshielded measure.Its objective is and be achieved through the following technical solutions.
A kind of induction type compression mod exhaust apparatus, this exhaust apparatus comprises moving platen and solid plate, its structural feature is to form the exhaust passage between described moving platen and solid plate, the exhaust passage is followed successively by exhaust entrance, induction cavity, curved chamber, annular chamber, piston top chamber, air exit from down to up, described induction cavity position be provided with two adjacent and all keep with moving platen, solid plate the inductive rod that insulate, the inductive rod external controller, described piston top is provided with the sealing piston in the chamber, and the sealing piston connects described controller.Said structure, by the loop of adopting inductive rod and controller to consist of, thereby the sealing in Based Intelligent Control piston top chamber, diecasting alloys liquid timely cooled and solidified in the exhaust passage that mold cavity is overflowed reaches abundant exhaust and prevents the purpose that diecasting alloys liquid ejects.
Described induction cavity, annular chamber are positioned at described solid plate one side, and described exhaust entrance, curved chamber are positioned at described moving platen one side, and namely described exhaust entrance, induction cavity, curved chamber, annular chamber are dioptric type and communicate between described moving platen and solid plate.Adopt this kind structure, make and form multiple curved structure in the exhaust passage, be that curved chamber is originally as curved structure, and form curved structure between each chamber of exhaust passage itself, the flow velocity that is conducive to fast reducing diecasting alloys liquid, make its quick cooled and solidified, reach better exhaust effect and reduce the hidden danger that aluminium alloy ejects.
Be provided with valve body between described moving platen and solid plate, described piston top chamber, air exit are arranged on described valve body.Because the sealing piston in the piston top chamber is movable part, and have again seal request, can need repairing or change unavoidably, therefore the piston top chamber is arranged on valve body, be conducive to reduce maintenance cost, only need to change or the maintenance valve body gets final product, need not to scrap moving platen.
Peg graft for sealing and coordinate in the induction cavity position of described inductive rod and described solid plate.Described inductive rod outside is provided with insulation sleeve, and described solid plate is provided with the inductor core of pegging graft and coordinating with described insulation sleeve.This structure is convenient for changing inductive rod.
It is 20mm that described exhaust passage is designed to width, and the degree of depth is 9.5mm, and this physical dimension is the preferred size that maximizes and design in rational spatial volume scope again according to exhaust effect.
Described moving platen, solid plate top is provided with the security protection drain chamber that connects described air exit.This security protection drain chamber is spouting from air exit in order further to prevent diecasting alloys liquid.
Be provided with a groove frame and the curved baffle corresponding to described air exit in described security protection drain chamber, the groove frame bottom is provided with the groove chamber, be provided with exhaust outlet between groove frame and curved baffle, the arc-shaped depression portion of curved baffle is corresponding to described air exit, and the end of curved baffle is corresponding to described groove chamber.Curved baffle is that the diecasting alloys liquid that air exit ejects is stopped, and diecasting alloys liquid is directed in the groove chamber of groove frame, by the groove chamber collect ejecting diecasting alloys liquid temporarily.Exhaust outlet between groove frame and curved baffle namely is used for the gas that discharging gives off from air exit.
The method for exhausting of this induction type compression mod exhaust apparatus is: the overflow launder of described exhaust entrance connecting mold die cavity, after in mold cavity, the filling of diecasting alloys liquid is completed, diecasting alloys liquid enters described exhaust passage from overflow launder along described exhaust entrance, when diecasting alloys liquid enters described induction cavity, diecasting alloys liquid is as two inductive rod in wire conducting induction cavity, thereby open described controller, controller is controlled described piston rod and is driven described sealing piston with the chamber sealing of described piston top; Two described inductive rod conductings to the time period in described sealing piston closes piston top chamber, described diecasting alloys liquid continues to flow in described exhaust passage, diecasting alloys liquid is after passing through position, dioptric type exhaust passage, produce power consumes, cooled and solidified gradually is before final diecasting alloys liquid flows and terminates in piston top chamber, described exhaust passage.The controller that said method adopts is high-speed oil cylinder, and it has action soon, stable advantage, thus make the operation of sealing piston closes comparatively reliable.
Structure of the present invention is comparatively simple, and exhaust mode is intelligence, reliable comparatively, good exhaust effect, and prevent that effectively diecasting alloys liquid is spouting from air exit, the exhaust apparatus that is suitable as compression mod uses, or the architecture advances of like product.
Description of drawings
Fig. 1 is the invention process structural representation.
Fig. 2 is that the present invention uses state one structural representation.
Fig. 3 is that the present invention uses state two structural representations.
Fig. 4 is that the present invention uses state three structural representations.
Fig. 5 is that the present invention uses state four structural representations.
Fig. 6 is structural representation of the present invention, and in figure, h is the smallest passage degree of depth.
Fig. 7 is mould structure schematic diagram of the present invention.
Fig. 8 is solid plate structural representation of the present invention.
Fig. 9 is that internal exhaust passages of the present invention flows to schematic diagram, and in figure, w is minimal channel width, and S1～S9 is each curved cavity length of exhaust passage.
Figure 10 is existing exhaust apparatus exhaust passage schematic diagram
In figure, the name of sequence number is called: 1, die casting machine material bin, 2, mold cavity, 201, overflow launder, 3, exhaust entrance, 4, moving platen, 5, inductive rod, 6, induction cavity, 7, curved chamber, 8, annular chamber, 9, the piston top chamber, 10, sealing piston, 11, solid plate, 12, valve body, 13, air exit, 14, curved baffle, 15, exhaust outlet, 16, groove frame, 1601, the groove chamber, 17, controller.
The specific embodiment
Now by reference to the accompanying drawings, the invention will be further described.
As shown in Fig. 6～9, this induction type compression mod exhaust apparatus comprises moving platen 4 and solid plate 11, be provided with from down to up exhaust entrance 3, induction cavity 6, curved chamber 7, the annular chamber 8 of conducting successively between moving platen and solid plate, be provided with valve body 12 between moving platen and solid plate top, form piston top chamber 9 between valve body and solid plate, be provided with in the valve body upper end air exit 13 that is communicated with the piston top chamber.Above-mentioned exhaust entrance, curved chamber are positioned at the moving platen side, above-mentioned induction cavity, annular chamber are positioned at the solid plate side, be that exhaust entrance, induction cavity, curved chamber, annular chamber are each other dioptric type and communicate, namely consisted of the exhaust passage of this induction type compression mod exhaust apparatus by above-mentioned exhaust entrance, induction cavity, curved chamber, annular chamber, piston top chamber, air exit.Be provided with at solid plate induction cavity position two adjacent and all keep with moving platen, solid plate the inductive rod 5 that insulate, the inductive rod outside is provided with insulation sleeve, solid plate is provided with the inductor core of pegging graft and coordinating with insulation sleeve, inductive rod the inner is stretched in induction cavity, the outer end connects a controller 17 by wire, and controller of the present invention is high-speed oil cylinder.Be provided with sealing piston 10 in above-mentioned piston top chamber, the sealing piston is connected rear connection high-speed oil cylinder with moving platen from above-mentioned valve body.Be provided with the security protection drain chamber corresponding to air exit at moving platen, solid plate top, this security protection drain chamber is made of a groove frame 16 and the curved baffle 14 corresponding to air exit, the groove frame bottom is provided with groove chamber 1601, be provided with exhaust outlet 15 between groove frame and curved baffle, the arc-shaped depression portion of curved baffle is corresponding to air exit, and the end of curved baffle is corresponding to the groove chamber.
As shown in Figure 1, in the specific implementation, exhaust entrance of the present invention is communicated with the outer overflow launder 201 of offering of mold cavity 2, mold cavity is connected with the die casting machine material bin 1 of outside.As shown in Fig. 2～5, in conjunction with specific embodiments operation principle of the present invention is briefly described: as shown in Figure 2, at first injected the diecasting alloys liquid of capacity in the die casting machine material bin by the outside; Then, as shown in Figure 3, by die casting machine, mold cavity is filled, after filling was completed, the overflow launder that diecasting alloys liquid is offered outside mold cavity flow in the exhaust passage of induction type compression mod exhaust apparatus; As shown in Figure 4, when diecasting alloys liquid flow to the induction cavity of exhaust passage by exhaust entrance, diecasting alloys liquid just with the form of wire with two inductive rod conductings, inductive rod will be connected controller (high-speed oil cylinder) and start, and high-speed oil cylinder drives the sealing piston with the path blockade of piston top chamber and air exit.Because the inductive rod conducting is poor to life period between the sealing of piston top chamber, the piston top chamber is not instantaneous sealing, therefore diecasting alloys liquid will continue to flow to the curved chamber of exhaust passage within this time period; As shown in Figure 5, if piston top this moment chamber is not sealing still, diecasting alloys liquid will continue to flow to annular chamber, but according to the requirement to the exhaust passage size design, finally before diecasting alloys liquid flow to annular chamber and is about to enter the piston top chamber, the sealing piston can with piston top chamber sealing, be completed whole exhaust process.
In above-mentioned exhaust process, diecasting alloys liquid flow to annular chamber from exhaust entrance, passed through the tortuous process for the first time between exhaust entrance and induction cavity, then passed through again the tortuous process for the second time between induction cavity and curved chamber, then pass through again the tortuous process for the third time in curved chamber itself, finally by the 4th the tortuous process of crossing between curved chamber and annular chamber, the diecasting alloys liquid after tortuous flowing repeatedly is cooled and solidified fast just.After above-mentioned tortuous design has been arranged, not higher requirement of size for exhaust passage of the present invention, understand for convenient, size to exhaust passage of the present invention is explained accordingly in conjunction with the size of traditional exhaust passage: the size design of exhaust passage of the present invention such as Fig. 6, shown in Figure 9, minimal channel width w is 20mm, degree of depth h is 9.5mm, and the passage smallest cross-section area is 190mm
2, and the transversal general degree of depth in existing exhaust passage is 0.4mm, length is 70mm.Therefore exhaust passage of the present invention smallest cross-section area is 6～7 times of conventional method, obviously, the improvement of exhaust effect is unquestionable.
Again the swollen type power of mould under a large amount of exhaust castings and the stopping state of pathway closure mouth are analyzed.The general width in existing exhaust passage is 70mm, and length is the rectangular area and entrance, outlet sectorial area formation of 150mm, structure as shown in figure 10, and traditional exhaust passage total projection area is about 14780mm
2And road, exhaust passage of the present invention total projection area is 14190mm
2, area does not only increase, and also slightly reduces, so the swollen type power of mould is controlled.See that again exhaust duct closes the situation of remaining silent, as shown in Figure 9, the exhaust passage total length at center, self-induction chamber, apparatus of the present invention exhaust passage to center, piston top chamber is that 505mm(induction cavity center is to curved cavity length S1=40mm, curved cavity length=S2+S3+S4+S5+S6+S7=31+90+26+18+32+30=227mm, length of ring cavity S8=192mm, annular chamber is to piston top chamber Center Length S9=46mm); If setting mould ingate place filling velocity is 30m/s, and action and signal reaction time that exhaust passage sealing piston is closed are 0.012s, when non-resistance fills type, the aluminium alloy flow velocity of exhaust passage is also 30m/s, within the reaction time that valve port is closed, aluminium alloy flows apart from being 0.012 * 30000=360mm, and be not difficult to find out: the exhaust duct total length of 505mm is safe, and exhaust capacity is significant.Therefore the present invention compare existing exhaust passage not only structural volume do not increase, and exhaust effect significantly strengthens, and is conducive to the compression mod manufacturing, and improves casting quality.
Claims (10)
1. induction type compression mod exhaust apparatus, this exhaust apparatus comprises moving platen (4) and solid plate (11), it is characterized in that forming the exhaust passage between described moving platen (4) and solid plate (11), the exhaust passage is followed successively by exhaust entrance (3) from down to up, induction cavity (6), curved chamber (7), annular chamber (8), piston top chamber (9), air exit (13), described induction cavity position be provided with two adjacent and and moving platen, solid plate all keeps the inductive rod (5) that insulate, inductive rod external controller (17), be provided with sealing piston (10) in described piston top chamber, the sealing piston connects described controller.
2. induction type compression mod exhaust apparatus according to claim 1, it is characterized in that described induction cavity (6), annular chamber (8) are positioned at described solid plate (11) one sides, described exhaust entrance (3), curved chamber (7) are positioned at described moving platen (4) one sides, and namely described exhaust entrance, induction cavity, curved chamber, annular chamber are dioptric type and communicate between described moving platen and solid plate.
3. induction type compression mod exhaust apparatus according to claim 1, is characterized in that being provided with valve body (12) between described moving platen (4) and solid plate (11), and described piston top chamber (9), air exit (13) are arranged on described valve body.
4. induction type compression mod exhaust apparatus according to claim 1, peg graft for sealing and coordinate in induction cavity (6) position that it is characterized in that described inductive rod (5) and described solid plate (11).
5. induction type compression mod exhaust apparatus according to claim 4 is characterized in that described inductive rod (5) outside is provided with insulation sleeve, and described solid plate is provided with the inductor core of pegging graft and coordinating with described insulation sleeve.
6. induction type compression mod exhaust apparatus according to claim 1, is characterized in that it is 20mm that described exhaust passage is designed to width, and the degree of depth is 9.5mm.
7. induction type compression mod exhaust apparatus according to claim 1 is characterized in that described moving platen (4), solid plate (11) top is provided with the security protection drain chamber that connects described air exit.
8. induction type pressing mold exhaust apparatus according to claim 7, it is characterized in that being provided with in described security protection drain chamber a groove frame (16) and a curved baffle corresponding to described air exit (13) (14), the groove frame bottom is provided with groove chamber (1601), be provided with exhaust outlet (15) between groove frame and curved baffle, the arc-shaped depression portion of curved baffle is corresponding to described air exit, and the end of curved baffle is corresponding to described groove chamber.
9. the method for exhausting of an induction type compression mod exhaust apparatus as claimed in claim 1, the overflow launder (201) that it is characterized in that described exhaust entrance (13) connecting mold die cavity (2), after in mold cavity, the filling of diecasting alloys liquid is completed, diecasting alloys liquid enters described exhaust passage from overflow launder along described exhaust entrance (3), when diecasting alloys liquid enters described induction cavity (6), diecasting alloys liquid is as two inductive rod (5) in wire conducting induction cavity, thereby open described controller (17), controller is controlled described sealing piston (10) described piston top chamber (9) is sealed, two described inductive rod conductings to the time period in described sealing piston closes piston top chamber, described diecasting alloys liquid continues to flow in described exhaust passage, diecasting alloys liquid is through behind the dioptric type exhaust passage, produce power consumes, cooled and solidified gradually is before final diecasting alloys liquid flows and terminates in piston top chamber, described exhaust passage.
10. the method for exhausting of induction type compression mod exhaust apparatus according to claim 9, is characterized in that described controller (17) is high-speed oil cylinder.
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| CN201310044733.0A CN103111598B (en) | 2013-02-04 | 2013-02-04 | Induction type compression mod exhaust apparatus |
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| CN201310044733.0A CN103111598B (en) | 2013-02-04 | 2013-02-04 | Induction type compression mod exhaust apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106041020A (en) * | 2015-04-08 | 2016-10-26 | Cast科技株式会社 | Unified valve assembly for ventilating a die casting mold |
| CN108247007A (en) * | 2018-01-24 | 2018-07-06 | 重庆百吉四兴压铸有限公司 | Chain gear chamber cover processing technology |
| CN109702171A (en) * | 2019-03-05 | 2019-05-03 | 金雅豪精密金属科技（深圳）股份有限公司 | The injection mechanism and die casting of anti-volume gas |
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| US4986338A (en) * | 1988-05-16 | 1991-01-22 | Ryobi Ltd. | Gas venting arrangement in high speed injection molding apparatus and method for venting gas in the high speed injection molding apparatus |
| EP0448855B1 (en) * | 1990-03-27 | 1994-05-18 | Ryobi Ltd. | Method for acknowledging operation phase of gas venting device in injection molding apparatus and acknowledging means therefor |
| CN2301318Y (en) * | 1997-08-18 | 1998-12-23 | 古云旺 | Vacuum valve structure for press casting machine |
| DE20016166U1 (en) * | 2000-09-01 | 2000-12-28 | Gauermann, Jörg, 70794 Filderstadt | Vacuum device for die casting systems |
| CN101585079A (en) * | 2008-05-21 | 2009-11-25 | 沈阳铸造研究所 | Low-pressure casting filling method and low-pressure casing filling equipment used by same |
-
2013
- 2013-02-04 CN CN201310044733.0A patent/CN103111598B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4986338A (en) * | 1988-05-16 | 1991-01-22 | Ryobi Ltd. | Gas venting arrangement in high speed injection molding apparatus and method for venting gas in the high speed injection molding apparatus |
| EP0448855B1 (en) * | 1990-03-27 | 1994-05-18 | Ryobi Ltd. | Method for acknowledging operation phase of gas venting device in injection molding apparatus and acknowledging means therefor |
| CN2301318Y (en) * | 1997-08-18 | 1998-12-23 | 古云旺 | Vacuum valve structure for press casting machine |
| DE20016166U1 (en) * | 2000-09-01 | 2000-12-28 | Gauermann, Jörg, 70794 Filderstadt | Vacuum device for die casting systems |
| CN101585079A (en) * | 2008-05-21 | 2009-11-25 | 沈阳铸造研究所 | Low-pressure casting filling method and low-pressure casing filling equipment used by same |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106041020A (en) * | 2015-04-08 | 2016-10-26 | Cast科技株式会社 | Unified valve assembly for ventilating a die casting mold |
| CN108247007A (en) * | 2018-01-24 | 2018-07-06 | 重庆百吉四兴压铸有限公司 | Chain gear chamber cover processing technology |
| CN109702171A (en) * | 2019-03-05 | 2019-05-03 | 金雅豪精密金属科技（深圳）股份有限公司 | The injection mechanism and die casting of anti-volume gas |
| CN109702171B (en) * | 2019-03-05 | 2024-04-16 | 金雅豪精密金属科技（深圳）股份有限公司 | Prevent pressing of book gas and penetrate mechanism and die casting die |
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| CN103111598B (en) | 2015-08-12 |
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