CN201231307Y - Vacuum material-discharging device and die-casting machine with the vacuum material-discharging device - Google Patents
Vacuum material-discharging device and die-casting machine with the vacuum material-discharging device Download PDFInfo
- Publication number
- CN201231307Y CN201231307Y CNU2008201155423U CN200820115542U CN201231307Y CN 201231307 Y CN201231307 Y CN 201231307Y CN U2008201155423 U CNU2008201155423 U CN U2008201155423U CN 200820115542 U CN200820115542 U CN 200820115542U CN 201231307 Y CN201231307 Y CN 201231307Y
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- Prior art keywords
- injection device
- vacuum material
- material injection
- seal
- die casting
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Abstract
The utility model provides a vacuum filling device (100) of a die casting machine, which comprises a driving part (110), an injection part (140), a head board (160) and a charging barrel (150), wherein the head board (160) is provided with a through hole, the charging barrel (160) is arranged in the through hole of the head board (160), and the injection part (140) is driven by the driving part (110) to reciprocate in the charging barrel (160). The utility model is characterized in that the vacuum filling device also comprises a sealing body (130) which is arranged at the outer part of the injection part (140) by the sealing way so as to cause the injection part (140) to be sealed, and a pumping hole (131) is arranged on the sealing body (130) and can seal the injection zone by the vacuum way.
Description
Technical field
The utility model relates to die casting machine, relates in particular to a kind of vacuum material injection device of die casting machine.
Background technology
Compression casting is called for short die casting, is that a kind of molten mass with alloy is poured in the barrel,, and molten mass is solidified under pressure and forms the casting method of foundry goods the die cavity of molten mass with high speed filling mould by pressure.Along with the compression casting of molten mass cooling procedure, both eliminated the shrinkage porosity defect of contraction cavity of blank, also make the interior tissue of blank form the broken crystal grain of forging attitude, the comprehensive mechanical performance of blank is significantly improved.In addition, the blank that this explained hereafter is come out has good outer surface fineness.
The raw material that die casting is adopted mainly is a non-ferrous alloy, especially based on aluminium alloy, magnesium alloy and kirsite.Non-ferrous alloy such as magnesium alloy, oxidation easily, especially easier generation oxidation even burning under molten condition.Oxidized under molten condition for the raw material that prevents die casting, need take corresponding measure, existing die casting machine is taked vacuum die-casting method usually.Vacuum die-casting method is that the gas in the mold cavity is found time, reduce the air pressure in the mold cavity, vacuum state helps filling the eliminating of gas in type and the alloy melt, raw material is after melting, the molten mass of alloy falls into barrel, make the alloy molten body pressure-driven part as the pressure effect of cylinder body under injection filling mold cavity, and under pressure, solidify and obtain the die casting of densification.
As shown in Figure 1, existing die casting machine comprises material injection device 100, working chamber 200 and mould 300, material injection device 100 comprises drive part 110, injection parts 140, a plate 160 and barrel 150, wherein, plate 160 is provided with through hole, barrel 150 is arranged in the through hole of a plate, and injection parts 140 are driven by drive part 110, can move back and forth in barrel 150.Working chamber 200 is tightly connected by plug hole and the material injection device 100 that is arranged on the barrel 150, and an end and the mould 300 of barrel 150 are tightly connected.During die casting, the raw material in the working chamber 200 falls into barrel 150, and by injection parts 140 injections moulding in the mould 300.During evacuated die-casting process, prior art is whole die casting machine to be wrapped up form the vacuum condition that vacuum chamber is realized press casting procedure, and all parts all are under the vacuum state.But the overall vacuum of die casting machine especially high vacuum is difficult to realize, and this structure brought inconvenience for changing the injection tup 141 that is installed on the injection parts 140, the also remaining raw material of inconvenience cleaning, and realize the cost costliness of die casting machine overall vacuum environment.
The utility model content
For overcome the die casting machine overall vacuum particularly high vacuum be difficult to realize, and the overall vacuum defect of high cost, according to an aspect of the present utility model, provide a kind of vacuum material injection device of die casting machine, can only realize vacuum state, reduce cost the injection zone.
Described vacuum material injection device comprises drive part, injection parts, a plate and barrel, described plate is provided with through hole, described barrel is arranged in the through hole of described plate, described injection parts are driven by described drive part, move back and forth in described barrel, wherein, it is outside so that the seal of described injection parts sealing that described vacuum material injection device comprises that also sealing is arranged on described injection parts, described seal is provided with bleeding point, can realize vacuum to the injection zone.
Described vacuum material injection device can be realized vacuum seal to the injection zone, and is convenient to realization, handled easily.
According to another aspect of the present utility model, a kind of die casting machine is provided, described die casting machine comprises the vacuum material injection device, working chamber and mould, described working chamber and described mould and described vacuum material injection device are tightly connected, described vacuum material injection device comprises drive part, the injection parts, plate and barrel, described plate is provided with through hole, described barrel is arranged in the through hole of described plate, described injection parts are driven by described drive part, in described barrel, move back and forth, wherein, described vacuum material injection device comprises that also sealing is arranged on the outside so that seal of described injection parts sealing of described injection parts, and described seal is provided with bleeding point.
Realize that with the integral body of existing parcel die casting machine the vacuum of press casting procedure compares, die casting machine of the present utility model can only be realized vacuum to the injection zone that press casting procedure takes place, thereby the die casting environment that especially can realize high vacuum prevents that molten mass is oxidized and obtains the surface quality of better products that vacuum environment is easy to realize and reduced cost.
Description of drawings
Fig. 1 is the structure chart and the injection partial sectional view partly of the die casting machine of prior art;
Fig. 2 is the cutaway view according to the structure of die casting machine of the present utility model;
Fig. 3 is the external view according to die casting machine of the present utility model;
Fig. 4 is the outside drawing of seal under the situation that case lid has been installed according to vacuum material injection device of the present utility model;
Fig. 5 is the outside drawing of seal under the situation of having dismantled case lid according to vacuum material injection device of the present utility model.
The specific embodiment
Figure 2 shows that the cutaway view of the structure of die casting machine of the present utility model, described die casting machine comprises vacuum material injection device 100, working chamber 200 and mould 300.Wherein, described vacuum material injection device 100 comprises drive part 110, injection parts 140, barrel 150 and a plate 160.Plate 160 is provided with and is used to the cast passage placing the through hole of barrel 150 and be used to connect working chamber 200, and barrel 150 is provided with and pours into a mould channel attached plug hole.Injection parts 140 driven portions 110 drive, and can move back and forth in barrel 150.
Described vacuum material injection device also comprises the seal 130 that is arranged on injection parts 140 outsides, makes described vacuum material injection device be in sealing state.Preferably, as shown in Figure 2, seal 130 is arranged between a drive part 110 and the plate 160, and adopts sealing means such as hydrostatic seal such as cushion rubber or magnetic seal to reach the purpose of sealing.Therefore injection parts 140 can move back and forth in seal 130 inside and barrel 150 under the driving of drive part 110.
As shown in Figure 3, seal 130 is provided with bleeding point 131, can vacuumize by 131 pairs of described vacuum material injection devices of bleeding point, and can reach 5 * 10
-2The vacuum of Pa.Because described vacuum material injection device is for being tightly connected, described vacuum material injection device can keep the vacuum state that seals.
In press casting procedure, the injection zone is meant that 200 molten masses that fall into barrel 150 are filled into the process injection parts 140 of mould 300 and the zone of molten mass motion process by 140 pushings of injection parts from the working chamber.Described injection zone is made up of the interior zone of described vacuum material injection device, the interior zone of cast passage and the interior zone of mould 300.Because an end of described barrel 150 and mould 300 be for being tightly connected, and barrel 150 also is tightly connected with the working chamber 200 that is positioned at its top, so described vacuum material injection device 100 realization vacuum have just been realized vacuum to the injection zone.
Described seal 130 is provided with demountable lid 132, can change the tup 141 that is installed on the injection parts 140 and clears up defective material or seal described vacuum material injection device by the dismounting of described lid 132.Preferably, as shown in Figure 4, be to be convenient for changing the operation of tup 141 and cleaning defective material, seal 130 is that the square chest by seal hatch and its side is that one constitutes.Lid 132 is arranged on the square chest of seal 130, and described lid 132 can be dismantled.Described lid 132 is installed is sealed described vacuum material injection device, thereby and bleed by 131 pairs of described vacuum material injection devices of bleeding point and to realize the vacuum of described vacuum material injection device.Observation window 133 can also be provided with on the described lid 132, injection process can be monitored, observe.As shown in Figure 5, the square chest of seal 130 has been dismantled lid 132, and the inside of the seal hatch of the square hole communication seals body 130 on the square chest can be changed the injection conehead 141 of described injection parts 140 easily and clear up defective material by described square hole.
As shown in Figure 2, in the present embodiment, drive part 110 is made up of a plate 111, cylinder body 112 and oil cylinder cover 113, and the required motive force of injection parts is provided by drive part 110 during die casting, and wherein the two ends of cylinder body 112 are supported by riser 111 and oil cylinder cover 113 respectively.
Because the integral body of described vacuum material injection device is that rigid compactness is tightly connected, under the not high situation of equipment precision, seal 130 produces alignment error with the ease of connection of a drive part 110 and a plate 160, has also brought difficulty to the through hole on cylinder body 112, injection parts 140, the plate 160 and the central axes of barrel 150.Therefore, as shown in Figure 2, under the not high situation of equipment precision, the utility model can adopt the two ends of nonrigid connector 120 flexibly be tightly connected respectively driver part 110 and seal 130, thereby flexibly is tightly connected described vacuum material injection device.
Preferably, nonrigid connector described in the present embodiment 120 is a bellows, and described bellows is the housing with cylinder-shaped thin wall wrinkle of a plurality of transverse waves, has good sealing, and have elasticity, under pressure, axial force, cross force or moment of flexure effect, can produce displacement.
As shown in Figure 2, the two ends of described bellows flexibly be tightly connected oil cylinder cover 113 and seal 130, described bellows can produce displacement with the alignment error of compensation on closure on the closure of described drive part 110 and described seal 130 on the one hand, has also just avoided the alignment error of described vacuum material injection device on connecting; On the other hand, thereby described bellows can through hole on cylinder body 112, injection parts 140, the plate 160 be being satisfied in displacement and the situation lower seal of the central axes of barrel 150 is connected described drive part 110 and described seal 130 producing on the direction perpendicular to axial direction, thereby flexibly seals described vacuum material injection device.
Another purpose of the present utility model provides a kind of die casting machine, and described die casting machine comprises vacuum material injection device 100, working chamber 200 and the mould 300 that the utility model provides.Cutaway view as shown in Figure 2 according to die casting machine of the present utility model, plate 160 is provided with the cast passage that is used to connect working chamber 200, barrel 150 is provided with and pours into a mould channel attached plug hole, and working chamber 200 is tightly connected by a plate 160 and the barrel 150 of cast passage and described vacuum material injection device.For example hydrostatic seal or metal sealing means are tightly connected by known mechanical seal mode for one end of barrel 150 and the inlet of mould 300.Therefore, described vacuum material injection device 100, working chamber 200 and mould 300 are the integral body that is tightly connected of internal communication.
Described vacuum material injection device also comprises the seal 130 that is arranged on injection parts 140 outsides, makes described vacuum material injection device be in sealing state.Preferably, seal 130 is arranged between a drive part 110 and the plate 160, and adopts sealing means such as hydrostatic seal such as cushion rubber or magnetic seal to reach the purpose of sealing.
Outside drawing as shown in Figure 3 according to die casting machine of the present utility model, the seal 130 of described vacuum material injection device is provided with bleeding point 131, can bleed to described vacuum material injection device by bleeding point 131, realize described sealing the vacuum material injection device vacuum environment and can reach 5 * 10
-2The vacuum of Pa.Because described vacuum material injection device 100 is the integral body for being tightly connected with working chamber 200 and mould 300, therefore, described vacuum material injection device 100 is realized vacuum, just described vacuum material injection device 100 and the integral body that working chamber 200 and mould 300 constitute are realized vacuum, guaranteed the vacuum environment of press casting procedure.
In addition; in working chamber 200, also be provided with another independent bleeding point 201, can bleed to working chamber 200, assist bleeding point 131 to accelerate pumping process by bleeding point 201; realize the vacuum of working chamber 200 simultaneously, the molten mass that protection is contained in wherein is not oxidated.
Before the die casting, with described vacuum material injection device 100 and the mould 300 that is tightly connected with it state that is evacuated, even negative pressure state is so that molten mass can be successfully 200 falls into barrel 150 from the working chamber during die casting by bleeding point 131.Simultaneously, vacuum state is bled into independently by bleeding point 201 by working chamber 200, and the molten mass that protection is contained in the working chamber 200 is not oxidated.
In the press casting procedure, molten mass 200 falls into barrel 150 from the working chamber, and the pressure that drive part 110 produces promotes injection parts 140 at a high speed through barrels 150, and the molten mass in the barrel 150 is urged to cooling forming in the mould 300.In whole injection process, vacuum material injection device 100, working chamber 200 and mould 300 are a vacuum-packed integral body always, so raw material is in the vacuum protection state always, can be not oxidized.
According to the embodiment of die casting machine of the present utility model, the drive part 110 of described vacuum material injection device comprises riser 111, cylinder body 112 and oil cylinder cover 113.Injection parts 140 are connected on the cylinder body 112, are driven by cylinder body 112 and carry out injection.Described vacuum material injection device 100 and connected working chamber 200 and mould 300 are supported on the supporting bable tops by a plate 111, riser 160 and auxiliary bracing or strutting arrangement.
Because the integral body of described vacuum material injection device is that rigid compactness is tightly connected, under the not high situation of equipment precision, seal 130 produces alignment error with the ease of connection of a drive part 110 and a plate 160, has brought difficulty also for the central axes of the inlet of through hole, barrel 150 and mould 300 on drive part 110, injection parts 140, the plate 160.
Therefore, as shown in Figure 2, in order to address the above problem, the utility model can adopt the nonrigid connector 120 described vacuum material injection device that flexibly is tightly connected, thereby flexibly is tightly connected described die casting machine.The two ends of described nonrigid connector 120 flexibly be tightly connected respectively driver part 110 and seal 130.
Preferably, nonrigid connector 120 is a bellows in the present embodiment, as shown in Figure 2, and the two ends of described bellows flexibly be tightly connected oil cylinder cover 113 and seal 130.Described bellows can produce displacement with the alignment error of compensation on closure on the closure of described drive part 110 and described seal 130 on the one hand, has also just avoided the alignment error of described vacuum material injection device on connecting; On the other hand, because described bellows can produce displacement on direction perpendicular to axial direction, still can be connected described drive part 110 and described seal 130 at the situation lower seal that satisfies through hole, barrel 150 and the central axes of the inlet of mould 300 on drive part 110, injection parts 140, the plate 160 by described bellows, thereby flexibly be tightly connected described vacuum material injection device.Because mould 300 is to be connected individually on the described vacuum material injection device, can guarantee the central axes of inlet and each parts of mould 300, therefore by described bellows also with regard to the described die casting machine that flexibly has been tightly connected.
Claims (13)
1, a kind of vacuum material injection device (100) that is used for die casting machine, this vacuum material injection device (100) comprises drive part (110), injection parts (140), plate (160) and barrel (150), described plate (160) is provided with through hole, described barrel (150) is arranged in the through hole of described plate (160), described injection parts (140) are driven in described barrel (150) by described drive part (110) and move back and forth, it is characterized in that, described vacuum material injection device (100) comprises also and is arranged on the outside so that seal (130) of described injection parts (140) sealing of described injection parts (140) that described seal (130) is provided with bleeding point (131).
2, vacuum material injection device according to claim 1 (100) is characterized in that, described seal (130) is sealedly connected between described drive part (110) and described the plate (160).
3, vacuum material injection device according to claim 1 (100) is characterized in that, described seal (130) is provided with dismountable lid (132).
4, vacuum material injection device according to claim 3 (100) is characterized in that, described seal (130) is made of the square chest one of seal hatch and side thereof, and described lid (132) is arranged on the described square chest.
5, vacuum material injection device according to claim 4 (100) is characterized in that, the lid (132) of described seal (130) is provided with observation window (133).
6, vacuum material injection device according to claim 1 (100), it is characterized in that, described drive part (110) comprises riser (111), cylinder body (112) and oil cylinder cover (113), and the two ends of described cylinder body (112) are supported by described oil cylinder cover (113) and described riser (111) respectively.
7, vacuum material injection device according to claim 1 (100), it is characterized in that, described vacuum material injection device (100) also comprises nonrigid connector (120), the two ends of described nonrigid connector (120) flexibly be tightly connected respectively described drive part (110) and described seal (130).
8, vacuum material injection device according to claim 7 (100) is characterized in that, described nonrigid connector (120) is a bellows.
9, a kind of die casting machine, described die casting machine comprises working chamber (200) and mould (300), it is characterized in that, this die casting machine also comprises vacuum material injection device (100), described working chamber (200) and described mould (300) are tightly connected with described vacuum material injection device (100) respectively, described vacuum material injection device (100) comprises drive part (110), injection parts (140), plate (160) and barrel (150), described plate (160) is provided with through hole, described barrel (150) is arranged in the through hole of described plate (160), described injection parts (140) are driven by described drive part (110), in described barrel (150), move back and forth, described vacuum material injection device (100) comprises also and is arranged on the outside so that seal (130) of described injection parts (140) sealing of described injection parts (140) that described seal (130) is provided with bleeding point (131).
10, die casting machine according to claim 9 is characterized in that, described working chamber (200) are provided with another independent bleeding point (201).
11, die casting machine according to claim 9, it is characterized in that, the drive part (110) of described vacuum material injection device (100) comprises riser (111), cylinder body (112) and oil cylinder cover (113), and the two ends of described cylinder body (112) are supported by described oil cylinder cover (113) and described riser (111) respectively.
12, die casting machine according to claim 9, it is characterized in that, described vacuum material injection device (100) also comprises nonrigid connector (120), the two ends of described nonrigid connector (120) flexibly be tightly connected respectively described drive part (110) and described seal (130).
13, die casting machine according to claim 12 is characterized in that, described nonrigid connector (120) is a bellows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201155423U CN201231307Y (en) | 2008-07-17 | 2008-07-17 | Vacuum material-discharging device and die-casting machine with the vacuum material-discharging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201155423U CN201231307Y (en) | 2008-07-17 | 2008-07-17 | Vacuum material-discharging device and die-casting machine with the vacuum material-discharging device |
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| Publication Number | Publication Date |
|---|---|
| CN201231307Y true CN201231307Y (en) | 2009-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008201155423U Expired - Lifetime CN201231307Y (en) | 2008-07-17 | 2008-07-17 | Vacuum material-discharging device and die-casting machine with the vacuum material-discharging device |
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| CN (1) | CN201231307Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102451898A (en) * | 2010-10-30 | 2012-05-16 | 比亚迪股份有限公司 | Vacuum melting die-casting equipment |
| CN102909335A (en) * | 2012-11-20 | 2013-02-06 | 广东鸿泰科技股份有限公司 | High-vacuum die casting device with bidirectional vacuumizing |
| CN103264151A (en) * | 2013-05-06 | 2013-08-28 | 佛山市贝斯顿科技有限公司 | Bearing seat for injection tables of die-casting machines |
| CN104275465A (en) * | 2014-09-16 | 2015-01-14 | 苏州橙石铸造有限公司 | Double-seal plunger for material injection device of die casting machine and material injection device |
| CN104550825A (en) * | 2013-10-23 | 2015-04-29 | 比亚迪股份有限公司 | Metal forming equipment |
| CN105642862A (en) * | 2015-12-31 | 2016-06-08 | 宇龙计算机通信科技(深圳)有限公司 | Vacuum die-casting device and method |
| CN106457374A (en) * | 2014-06-02 | 2017-02-22 | Ksm铸造集团有限公司 | Casting device and diecasting method |
| US9968997B2 (en) | 2013-10-23 | 2018-05-15 | Byd Company Limited | Metal forming apparatus |
| CN109926558A (en) * | 2017-12-18 | 2019-06-25 | 比亚迪股份有限公司 | Vacuum die casting machine and evacuated die-casting process method |
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2008
- 2008-07-17 CN CNU2008201155423U patent/CN201231307Y/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102451898A (en) * | 2010-10-30 | 2012-05-16 | 比亚迪股份有限公司 | Vacuum melting die-casting equipment |
| CN102909335A (en) * | 2012-11-20 | 2013-02-06 | 广东鸿泰科技股份有限公司 | High-vacuum die casting device with bidirectional vacuumizing |
| CN102909335B (en) * | 2012-11-20 | 2015-04-29 | 广东鸿泰科技股份有限公司 | High-vacuum die casting device with bidirectional vacuumizing |
| CN103264151B (en) * | 2013-05-06 | 2017-11-07 | 东莞市鸿程机械有限公司 | A kind of supporting seat of die casting machine platform |
| CN103264151A (en) * | 2013-05-06 | 2013-08-28 | 佛山市贝斯顿科技有限公司 | Bearing seat for injection tables of die-casting machines |
| CN104550825A (en) * | 2013-10-23 | 2015-04-29 | 比亚迪股份有限公司 | Metal forming equipment |
| US9968997B2 (en) | 2013-10-23 | 2018-05-15 | Byd Company Limited | Metal forming apparatus |
| CN106457374B (en) * | 2014-06-02 | 2020-04-28 | Ksm铸造集团有限公司 | Casting device and die casting method |
| CN106457374A (en) * | 2014-06-02 | 2017-02-22 | Ksm铸造集团有限公司 | Casting device and diecasting method |
| CN104275465A (en) * | 2014-09-16 | 2015-01-14 | 苏州橙石铸造有限公司 | Double-seal plunger for material injection device of die casting machine and material injection device |
| CN104275465B (en) * | 2014-09-16 | 2016-09-28 | 苏州橙石铸造有限公司 | A kind of double containment plunger on material injection device of die casting machine and material injection device |
| CN105642862B (en) * | 2015-12-31 | 2019-08-23 | 宇龙计算机通信科技(深圳)有限公司 | A kind of vacuum die-cast equipment and method |
| CN105642862A (en) * | 2015-12-31 | 2016-06-08 | 宇龙计算机通信科技(深圳)有限公司 | Vacuum die-casting device and method |
| CN109926558A (en) * | 2017-12-18 | 2019-06-25 | 比亚迪股份有限公司 | Vacuum die casting machine and evacuated die-casting process method |
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