CN204262326U - A kind of vehicle manual gear-box case die-casting die casting system - Google Patents
A kind of vehicle manual gear-box case die-casting die casting system Download PDFInfo
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- CN204262326U CN204262326U CN201420773506.1U CN201420773506U CN204262326U CN 204262326 U CN204262326 U CN 204262326U CN 201420773506 U CN201420773506 U CN 201420773506U CN 204262326 U CN204262326 U CN 204262326U
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Abstract
The utility model discloses a kind of vehicle manual gear-box case die-casting die casting system, be included in die casting the material handle chamber being positioned at the more shallow one end of gear-box case die cavity cavity depth, it is characterized in that, a short main running channel and a long main running channel are extended in material handle chamber along the left and right sides, short main running channel and long main running channel form the semi-surrounding structure surrounding gear-box case die cavity end face and a side, short main running channel is provided with point running channel with side adjacent with gear-box case die cavity on long main running channel and is connected with gear-box case die cavity, the not besieged side of described gear-box case die cavity with the die casting of an end face joint is provided with the cinder ladle and gas extraction system that are connected with gearbox die cavity.The utility model is applicable to the die casting of manual transmission shell and uses very much, reduces the generation of pore and blemish, ensures shaped structure intensity and the type quality of its position, dark chamber, improve manual transmission shell die-cast product total quality.
Description
Technical field
The utility model relates to a kind of vehicle manual gear-box case die casting, particularly relates to a kind of vehicle manual gear-box case die-casting die casting system.
Background technology
Die casting (full name: compression casting), refer to and molten alloy is filled mold cavity under high pressure, high-speed condition, and the casting method of under high pressure cooling forming, be that metal fever most widely used, with the fastest developing speed in casting technique shapes one of process.The parts that aluminium alloy compression casting is shaped, have and can meet the features such as the requirement of design strength close to the shape of product design and dead size, good outward appearance and internal soundness, be applied in more and more widely in recent years in the product shaping of the parts such as automobile, motorcycle, communication, construction equipment.
Vehicle manual gearbox, refers to gearbox manual-gear vehicle being installed manual gear gear.Due to many benefits of casting forming, therefore applicant considers to adopt the mode of casting forming to produce vehicle manual gearbox, and the die-casting die casting system structure devised in die casting as shown in Figure 1, it is included in die casting the material handle chamber 2 being positioned at the more shallow one end of gear-box case die cavity 1 cavity depth, material handle chamber 2 is along each side extending a main running channel 3, main running channel 3 is walked around gear-box case depth of cavity end, more shallow one end and is extended to the most deep location of this end cavity along gear-box case die cavity both sides toward the gear-box case die cavity other end, article two, main running channel 3 side adjacent with gear-box case die cavity 1 is respectively provided with several point of running channel 4 and gear-box case die cavity 1 communicates.
Above-mentioned existing vehicle manual gear-box case die-casting die casting system is that the die-casting die casting system structure of imitating existing routine designs, and namely adopts the mode of bilateral cast to shorten aluminium liquid and fills die cavity required time, avoid aluminium liquid cooling but.But in actual use procedure, find to pour into a mould the vehicle manual gear-box case forming quality obtained poor, product easily breaks and easily occurs blemish and bubble.
By analysis, applicant finds, because vehicle manual gearbox needs to install manual gear gear, this gear has multiple gear, and gear is comparatively complicated, makes vehicle manual gear box casing one end have the darker dark chamber of degree of depth to form enough spatial accommodations.But so dark cavity configuration, when making bilateral cast, there is following defect: when A, cast, the aluminium liquid in three directions enters mold cavity simultaneously, aluminium liquid is at die cavity converges, go before be aluminium liquid (mold temperature is lower relative to aluminium liquid) that temperature is lower in the product between cannot merge completely, product surface there will be cold shut, and product in use has has along cold shut the risk broken apart.B, dark position, chamber not easily arrange steam vent and gas extraction system, and whole design is comparatively complicated.Aluminium liquid converges in the middle part of part, and the gas of mould cannot be discharged, and finally converges the product surface at position and a lot of bubble will appear in inside, affect the mechanical performance of product at aluminium liquid.C, mold cavity three directions feed liquor simultaneously, corresponding running channel volume increases, and needs more aluminium liquid to fill, and the running channel position that is shaped needs again to melt down melting as waste material, and this kind of structure needs the more energy to melt and very easily scaling loss aluminum alloy materials.D, dark position, chamber become motlten metal and finally flow through region, and the impurity in melt all converges, concentrate on the wall of dark chamber, therefore easily form cold shut, affect final part quality and service life.
Utility model content
For above-mentioned the deficiencies in the prior art, technical problem to be solved in the utility model is: how to provide one to be more applicable to the die casting of manual transmission shell and use, can improve the vehicle manual gear-box case die-casting die casting system of manual transmission shell die-cast product quality.
In order to solve the problems of the technologies described above, the utility model have employed following technical scheme:
A kind of vehicle manual gear-box case die-casting die casting system, be included in die casting the material handle chamber being positioned at the more shallow one end of gear-box case die cavity cavity depth, it is characterized in that, a short main running channel and a long main running channel are extended in material handle chamber along the left and right sides, short main running channel and long main running channel form the semi-surrounding structure surrounding gear-box case die cavity end face and a side, short main running channel is provided with point running channel with side adjacent with gear-box case die cavity on long main running channel and is connected with gear-box case die cavity, the not besieged side of described gear-box case die cavity with the die casting of an end face joint is provided with the cinder ladle and gas extraction system that are connected with gearbox die cavity.
In the utility model, improve the setting of main running channel, main running channel only surrounds mold cavity end face and a side, and is provided with cinder ladle and gas extraction system in the mold cavity another side of correspondence and end face joint, the theory structure of running gate system entirety in monolateral cast.Like this, make the flowing overall in die cavity of aluminium liquid have single towards directionality, avoid aluminium liquid and collect at position, dark chamber and occur cold shut, also reduce the porosity at position, dark chamber, improve the mechanical property at position, dark chamber.And aluminium liquid is overall toward a direction flowing, decreases the friendship of aluminium liquid phase and collides the phenomenon of interfering, can improve aluminium liquid flowing velocity like this, although make the speed of filling whole die cavity for monolateral cast aluminium liquid can not reduce too much, ensure die casting effect.
As optimization, described short main running channel is provided with two points of running channels and the more shallow one end of gear-box case depth of cavity connects, the main running channel of described length closes on material position, handle chamber and be provided with a point running channel and the more shallow one end of gear-box case depth of cavity connects, away from expecting handle cavity direction and the position being positioned at the darker one end side of gear-box case depth of cavity is provided with three points of running channels and the darker one end of gear-box case depth of cavity connects on the main running channel of described length.
After such optimization, have three points of running channels at the initiating terminal of gear-box case die cavity cast and be connected feed flow with die cavity, ensure the integrated poured effect of die cavity, be provided with separately three points of running channels in the position that die cavity exists dark cavity configuration and carry out supplementary feed flow, the speed that aluminium liquid fills position, dark chamber can be improved, ensure the casting forming effect at dark chamber place, improve Total Product quality better.
As optimization, all point running channels and gear-box case die cavity connecting place are and arrange towards the direction of cinder ladle and gas extraction system.The uniformity of aluminium liquid flow direction in die cavity can be ensured so better, while improving aluminium liquid flowing velocity, can better avoid aluminium liquid collide and affect die casting effect.
In sum, the utility model is applicable to the die casting of manual transmission shell and uses very much, reduces the generation of know clearly pore and blemish, ensures shaped structure intensity and the type quality of its position, dark chamber, improve manual transmission shell die-cast product total quality.
Accompanying drawing explanation
Fig. 1 is the structural representation of vehicle manual gear-box case die-casting die casting system existing described in background technology.
Fig. 2 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the utility model is described in further detail.
During concrete enforcement: as shown in Figure 2, a kind of vehicle manual gear-box case die-casting die casting system, be included in die casting the material handle chamber 2 being positioned at the more shallow one end of gear-box case die cavity 1 cavity depth, a short main running channel 5 and a long main running channel 3 are extended in material handle chamber along the left and right sides, short main running channel 5 and long main running channel 3 form the semi-surrounding structure surrounding gear-box case die cavity end face and a side, short main running channel 5 is provided with point running channel 4 with side adjacent with gear-box case die cavity 1 on long main running channel 3 and is connected with gear-box case die cavity 1, the not besieged side of described gear-box case die cavity 1 with the die casting of an end face joint is provided with the cinder ladle and gas extraction system 6 that are connected with gearbox die cavity 1.
Wherein, described short main running channel 5 is provided with two points of running channels and the more shallow one end of gear-box case depth of cavity connects, the main running channel of described length 3 closes on material position, handle chamber 2 and be provided with a point running channel and the more shallow one end of gear-box case depth of cavity connects, away from expecting direction, handle chamber 2 and the position being positioned at the darker one end side of gear-box case depth of cavity is provided with three points of running channels and the darker one end of gear-box case depth of cavity connects on the main running channel of described length 3.Like this, have three points of running channels at the initiating terminal of gear-box case die cavity cast and be connected feed flow with die cavity, ensure the integrated poured effect of die cavity, be provided with separately three points of running channels in the position that die cavity exists dark cavity configuration and carry out supplementary feed flow, the speed that aluminium liquid fills position, dark chamber can be improved, ensure the casting forming effect at dark chamber place, improve Total Product quality better.
Wherein, all point running channels 4 and gear-box case die cavity 1 connecting place are and arrange towards the direction of cinder ladle and gas extraction system 6.The uniformity of aluminium liquid flow direction in die cavity can be ensured so better, while improving aluminium liquid flowing velocity, can better avoid aluminium liquid collide and affect die casting effect.
In the utility model, original bilateral cast is changed into the version of monolateral cast, implement duration main running channel and select to be arranged on that part hole is less, the comparatively simple side of structure.Divide running channel to be arranged on to avoid on the die cavity edge die joint at hole position.Because motlten metal finally collects the die joint of position at point running channel offside, therefore the gas extraction system comprising cinder ladle and steam vent is then arranged on the die joint of relative position, such layout substantially reduces the complexity of whole system structure, also make waste material easily remove, reduce the difficulty of subsequent technique.Aluminium liquid first will flow through position, dark chamber just can be full of whole die cavity, avoids aluminium liquid and collects at position, dark chamber and occur cold shut, also reduce the porosity at position, dark chamber, improve the mechanical property at position, dark chamber.Meanwhile, can find out that whole running gate system volume decreases half before comparing improvement intuitively from Fig. 2, greatly reduce waste material, improve stock utilization.In addition, because running gate system changes monolateral cast into, mould structure is also simplified, and die size is scaled-back also, saves the expense of mold materials.
In sum, the utility model is applicable to the die casting of manual transmission shell and uses very much, reduces the generation of know clearly pore and blemish, ensures shaped structure intensity and the type quality of its position, dark chamber, improve manual transmission shell die-cast product total quality.
Claims (3)
1. a vehicle manual gear-box case die-casting die casting system, be included in die casting the material handle chamber being positioned at the more shallow one end of gear-box case die cavity cavity depth, it is characterized in that, a short main running channel and a long main running channel are extended in material handle chamber along the left and right sides, short main running channel and long main running channel form the semi-surrounding structure surrounding gear-box case die cavity end face and a side, short main running channel is provided with point running channel with side adjacent with gear-box case die cavity on long main running channel and is connected with gear-box case die cavity, the not besieged side of described gear-box case die cavity with the die casting of an end face joint is provided with the cinder ladle and gas extraction system that are connected with gearbox die cavity.
2. vehicle manual gear-box case die-casting die casting system as claimed in claim 1, it is characterized in that, described short main running channel is provided with two points of running channels and the more shallow one end of gear-box case depth of cavity connects, the main running channel of described length closes on material position, handle chamber and be provided with a point running channel and the more shallow one end of gear-box case depth of cavity connects, away from expecting handle cavity direction and the position being positioned at the darker one end side of gear-box case depth of cavity is provided with three points of running channels and the darker one end of gear-box case depth of cavity connects on the main running channel of described length.
3. vehicle manual gear-box case die-casting die casting system as claimed in claim 1, is characterized in that, all point running channels and gear-box case die cavity connecting place are and arrange towards the direction of cinder ladle and gas extraction system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420773506.1U CN204262326U (en) | 2014-12-10 | 2014-12-10 | A kind of vehicle manual gear-box case die-casting die casting system |
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| CN201420773506.1U CN204262326U (en) | 2014-12-10 | 2014-12-10 | A kind of vehicle manual gear-box case die-casting die casting system |
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| CN204262326U true CN204262326U (en) | 2015-04-15 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105215328A (en) * | 2015-11-10 | 2016-01-06 | 北京科技大学 | The extrusion casint system of the short vehicle frame of a kind of wheelchair |
| CN105750523A (en) * | 2016-04-19 | 2016-07-13 | 中信戴卡股份有限公司 | Aluminum alloy high-pressure casting mold |
| CN106623805A (en) * | 2016-12-06 | 2017-05-10 | 丹阳荣嘉精密机械有限公司 | Die for right box shell of gearbox used for automobile |
| CN106694850A (en) * | 2017-03-20 | 2017-05-24 | 中信戴卡股份有限公司 | Pouring device for high-pressure casting mold |
| CN106735074A (en) * | 2017-03-20 | 2017-05-31 | 中信戴卡股份有限公司 | A kind of apparatus for pouring for high-pressure casting mould |
| CN107457385A (en) * | 2017-09-30 | 2017-12-12 | 天津市发利汽车压铸件厂 | Die casting and die casting equipment |
| CN107552757A (en) * | 2017-09-27 | 2018-01-09 | 广东鸿图南通压铸有限公司 | A kind of eccentric extrusion process for stopping runner system |
| CN110560661A (en) * | 2019-10-24 | 2019-12-13 | 长春中誉集团有限公司 | Gating system of large-scale die-casting gearbox shell |
-
2014
- 2014-12-10 CN CN201420773506.1U patent/CN204262326U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105215328A (en) * | 2015-11-10 | 2016-01-06 | 北京科技大学 | The extrusion casint system of the short vehicle frame of a kind of wheelchair |
| CN105215328B (en) * | 2015-11-10 | 2017-12-08 | 北京科技大学 | A kind of extrusion casint system of the short vehicle frame of wheelchair |
| CN105750523A (en) * | 2016-04-19 | 2016-07-13 | 中信戴卡股份有限公司 | Aluminum alloy high-pressure casting mold |
| CN106623805A (en) * | 2016-12-06 | 2017-05-10 | 丹阳荣嘉精密机械有限公司 | Die for right box shell of gearbox used for automobile |
| CN106694850A (en) * | 2017-03-20 | 2017-05-24 | 中信戴卡股份有限公司 | Pouring device for high-pressure casting mold |
| CN106735074A (en) * | 2017-03-20 | 2017-05-31 | 中信戴卡股份有限公司 | A kind of apparatus for pouring for high-pressure casting mould |
| CN107552757A (en) * | 2017-09-27 | 2018-01-09 | 广东鸿图南通压铸有限公司 | A kind of eccentric extrusion process for stopping runner system |
| CN107552757B (en) * | 2017-09-27 | 2019-07-16 | 广东鸿图南通压铸有限公司 | A kind of eccentric die-casting process for stopping runner system |
| CN107457385A (en) * | 2017-09-30 | 2017-12-12 | 天津市发利汽车压铸件厂 | Die casting and die casting equipment |
| CN107457385B (en) * | 2017-09-30 | 2019-11-29 | 天津市发利汽车压铸件厂 | Die casting and die casting equipment |
| CN110560661A (en) * | 2019-10-24 | 2019-12-13 | 长春中誉集团有限公司 | Gating system of large-scale die-casting gearbox shell |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 402761 A, No. 60, long Qing Road, Qinggang street, Bishan District, Chongqing. Patentee after: Chongqing Ruitong Seiko Polytron Technologies Inc Address before: No. 60, dragon green road, Qingqian street, Bishan District, Chongqing Patentee before: CHONGQING RUITONG INDUSTRY CO., LTD. |
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| CP03 | Change of name, title or address |