CN204018690U - A kind of die casting - Google Patents
A kind of die casting Download PDFInfo
- Publication number
- CN204018690U CN204018690U CN201420445007.XU CN201420445007U CN204018690U CN 204018690 U CN204018690 U CN 204018690U CN 201420445007 U CN201420445007 U CN 201420445007U CN 204018690 U CN204018690 U CN 204018690U
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- CN
- China
- Prior art keywords
- core
- slide block
- slider
- die casting
- pulling slide
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of die casting, comprise framed, upper mold core, low mold frame, lower mold core, front-slider and rear slider, it is characterized in that, described upper mold core, lower mold core is upper framed with corresponding respectively, low mold frame is connected, described front-slider and low mold frame are slidably connected, front-slider is provided with front oil hydraulic cylinder, front core-pulling slide block is provided with between front-slider and lower mold core, to loose core before described front core-pulling slide block is provided with oil hydraulic cylinder, described rear slider and low mold frame fix, rear core-pulling slide block is provided with between rear slider and lower mold core, to loose core after rear core-pulling slide block is provided with oil hydraulic cylinder, described upper and lower core rod, front and back slide block and front and back core-pulling slide block are combined to form the die casting die cavity of foundry goods, describedly framedly be provided with the spreader be connected with die casting die cavity.The utility model, by the combined innovation of slide block and core-pulling slide block and syndeton thereof, provides one to have at least twice pressurized construction, the die casting that the sbrinkage blowhole of foundry goods is few, quality good and qualification rate is high.
Description
Technical field
The utility model relates to die casting technical field, relates to a kind of die casting for automobile eight gear automatic transmission in particular.
Background technology
When driving a vehicle in city, the automobile fuel consumption applying eight gear automatic transmission is little, is conducive to environmental protection.And when Die Casting, in order to safety, the quality control of eight gear automatic transmission is very strict.Especially, sbrinkage blowhole problem is the key factor affecting speed changer quality.Some speed changer die castings commercially, often cause foundry goods defective due to sbrinkage blowhole problem.But general die casting of the prior art does not effectively solve the problem.Such as Chinese patent Authorization Notice No. CN 201632623 U, authorized announcement date on November 17th, 2010, the name of innovation and creation is called pressure-casting mold of speed changer shell, this Patent Case discloses a kind of mould structure for casting case of transmission, pass through cover half, cover half is pulled, cover half, moving platen, liftout plate and the isostructural combined innovation of running gate system, this mould eliminates the gas hole defect of finished surface, but the sbrinkage blowhole of cast-internal is reduced during this Patent Case by pumped vacuum systems, the pressure vacuumized is difficult to the technical standard reaching speed changer sbrinkage blowhole, there is the problem that qualification rate is low.And for example Chinese patent Authorization Notice No. CN 202861357 U, authorized announcement date on 04 10th, 2013, the name of innovation and creation is called automobile speed variator die casting, this Patent Case discloses a kind of die casting for casting case of transmission, by cover half frame, cover half core, cross core-loosing portion, limited post and the isostructural combined innovation of loose piece, this mould solves the problem of the even demoulding difficulty of product wall unevenness, but the die casting of this Patent Case lacks the structure of pre-die casting, effectively do not reduce the sbrinkage blowhole of cast-internal, there is the problem that casting quality is poor and qualification rate is low.The utility model is by the combined innovation of upper framed, upper mold core, low mold frame, lower mold core, front-slider and rear slider and syndeton thereof, there is provided a kind of easy to process, cost is low, has at least twice pressurized construction, the die casting that the sbrinkage blowhole of foundry goods is few, quality good and qualification rate is high.
Summary of the invention
The utility model solves general structure of cast die in prior art and does not effectively solve the low problem of foundry goods sbrinkage blowhole problem and casting quality difference and qualification rate, a kind of die casting is provided, by the combined innovation of upper framed, upper mold core, low mold frame, lower mold core, front-slider and rear slider and syndeton thereof, realizing this die casting has easy to process, cost is low, there is at least twice pressurized construction, the feature that the sbrinkage blowhole of foundry goods is few, quality good and qualification rate is high.
In order to solve the technical problem of above-mentioned existence, the utility model takes following technical proposals: a kind of die casting, comprise framed, upper mold core, low mold frame, lower mold core, front-slider and rear slider, it is characterized in that, described upper mold core, lower mold core is upper framed with corresponding respectively, low mold frame is connected, described front-slider and low mold frame are slidably connected, front-slider is provided with front oil hydraulic cylinder, front core-pulling slide block is provided with between front-slider and lower mold core, to loose core before described front core-pulling slide block is provided with oil hydraulic cylinder, described rear slider and low mold frame fix, rear core-pulling slide block is provided with between rear slider and lower mold core, to loose core after rear core-pulling slide block is provided with oil hydraulic cylinder, described upper mold core, lower mold core, front-slider, front core-pulling slide block, rear slider and rear core-pulling slide block are combined to form the die casting die cavity of foundry goods, describedly framedly be provided with the spreader be connected with die casting die cavity.
When mounted, first upper mold core and spreader are arranged on respectively upper framed on, lower mold core, front-slider and rear slider are arranged in low mold frame, then front oil hydraulic cylinder is fixed in low mold frame, and be connected with front-slider, then front core-pulling slide block is inserted between front-slider and low mold frame, rear core-pulling slide block is inserted between rear slider and low mold frame, loose core before installing again oil hydraulic cylinder and after to loose core oil hydraulic cylinder, and oil hydraulic cylinder of front loosing core is connected with front core-pulling slide block, after oil hydraulic cylinder of loosing core be connected with rear core-pulling slide block, finally carry out matched moulds by framed up and down, with regard to installation.When casting, first molten metal is injected die casting die cavity along spreader, complete the pre-casting of foundry goods, then oil hydraulic cylinder before starting, front-slider is to die casting die cavity internal slide, realize the first time supercharging of die casting die cavity, then loose core before starting oil hydraulic cylinder and after to loose core oil hydraulic cylinder, the front core-pulling slide block of their correspondences, rear core-pulling slide block is respectively to die casting die cavity internal slide, realize the second time supercharging of die casting die cavity, after foundry goods cooling, after loose core oil hydraulic cylinder and rear core-pulling slide block first reset, after loose core oil hydraulic cylinder and rear core-pulling slide block reset again, front oil hydraulic cylinder and right slide block finally reset, foundry goods is taken out in die sinking afterwards.Spreader, for injecting die casting die cavity by molten metal; Front-slider and front oil hydraulic cylinder, structure is simple, realizes the first time supercharging of die casting die cavity, reduces the sbrinkage blowhole of cast-internal, improves casting quality; Before loose core oil hydraulic cylinder and front core-pulling slide block, after to loose core oil hydraulic cylinder and rear core-pulling slide block, realize the second time supercharging of die casting die cavity, reduce the sbrinkage blowhole of cast-internal further, improve casting quality; Loose core simultaneously oil hydraulic cylinder and after loose core oil hydraulic cylinder can successively action, combine with front oil hydraulic cylinder, realize three superchargings of die casting die cavity, can the better sbrinkage blowhole that must reduce cast-internal, improve casting quality; Front-slider, rear slider, front core-pulling slide block and rear core-pulling slide block, can effectively reduce the size of upper and lower core rod, makes upper and lower core rod easy to process, reduce costs; Die casting of the present utility model is combined by front-slider, front core-pulling slide block and rear core-pulling slide block, after foundry goods is cast in advance, realizes the supercharging that die casting die cavity has at least twice, significantly reduces the sbrinkage blowhole of foundry goods, improves casting quality and qualification rate.
As preferably, described die casting also comprises left slider and right slide block, and described left slider and right slide block are respectively equipped with left oil hydraulic cylinder, right oil hydraulic cylinder, and left slider is all connected with die casting die cavity with right slide block.Combine with front-slider and front oil hydraulic cylinder, increase the supercharging number of times in die casting die cavity further, improve the pressure of die casting die cavity inside, reduce the sbrinkage blowhole of foundry goods, improve casting quality and qualification rate.
As preferably, the top of described left slider is provided with the left core-pulling slide block be connected with die casting die cavity, and described left core-pulling slide block is provided with a left side and looses core oil hydraulic cylinder.Combine with the pressurized construction of front and back core-pulling slide block, increase the supercharging number of times in die casting die cavity further, improve the pressure of die casting die cavity inside, reduce the sbrinkage blowhole of foundry goods, improve casting quality and qualification rate.
As preferably, the top of described right slide block is provided with the right core-pulling slide block be connected with die casting die cavity, and described right core-pulling slide block is provided with the right side and looses core oil hydraulic cylinder.Combine with the pressurized construction of above-mentioned three core-pulling slide blocks, increase the supercharging number of times in die casting die cavity further, improve the pressure of die casting die cavity inside, reduce the sbrinkage blowhole of foundry goods, improve casting quality and qualification rate.
As preferably, described lower mold core is provided with the auxiliary slider be connected with die casting die cavity.Reduce size and the size of lower mold core, make lower mold core easy to process, reduce costs.
As preferably, be describedly framedly provided with the exhaust block be connected with die casting die cavity.Combine with the waste residue groove of mould inside, ensure that this mould can discharge the waste gas in die cavity smoothly, improve casting quality.
Owing to taking above-mentioned technical scheme, a kind of die casting that the utility model provides has such beneficial effect: by the combined innovation of eight oil hydraulic cylinders, four slide blocks and four core-pulling slide blocks and syndeton thereof, there is provided a kind of easy to process, cost is low, there is at least twice pressurized construction, the die casting that the sbrinkage blowhole of foundry goods is few, quality good and qualification rate is high.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of structural representation of the present utility model;
Accompanying drawing 2 is that the A-A of the utility model accompanying drawing 1 is to sectional view;
Accompanying drawing 3 is that the B-B of the utility model accompanying drawing 1 is to sectional view.
In figure: loose core oil hydraulic cylinder 13.1 auxiliary slider 14 exhaust block 15 in oil hydraulic cylinder 12.1 right core-pulling slide block 13 right side of loosing core, right oil hydraulic cylinder 11.1 left core-pulling slide block 12 left side of the right slide block of the left oil hydraulic cylinder 10.1 of oil hydraulic cylinder 8.1 spreader 9 left slider 10 11 of loosing core after core-pulling slide block 8 after oil hydraulic cylinder 7.1 of loosing core before core-pulling slide block 7 before oil hydraulic cylinder 5.1 rear slider 6 before upper framed 1 upper mold core 2 low mold frame 3 lower mold core 4 front-slider 5.
Detailed description of the invention
Accompanying drawings, is described in further detail of the present utility model:
Embodiment one: by reference to the accompanying drawings 1 and 2, a kind of die casting, comprise framed 1, upper mold core 2, low mold frame 3, lower mold core 4, front-slider 5 and rear slider 6, upper mold core 2, lower mold core 4 is respectively with corresponding upper framed 1, low mold frame 3 is connected, front-slider 5 and low mold frame 3 are slidably connected, front-slider 5 is provided with front oil hydraulic cylinder 5.1, front core-pulling slide block 7 is provided with between front-slider 5 and lower mold core 4, to loose core before front core-pulling slide block 7 is provided with oil hydraulic cylinder 7.1, rear slider 6 and low mold frame 3 fix, rear core-pulling slide block 8 is provided with between rear slider 6 and lower mold core 4, to loose core after rear core-pulling slide block 8 is provided with oil hydraulic cylinder 8.1, upper mold core 2, lower mold core 4, front-slider 5, front core-pulling slide block 7, rear slider 6 and rear core-pulling slide block 8 are combined to form the die casting die cavity of foundry goods, upper framed 1 is provided with the spreader 9 be connected with die casting die cavity.
When mounted, first upper mold core and spreader are arranged on respectively upper framed on, lower mold core, front-slider and rear slider are arranged in low mold frame, then front oil hydraulic cylinder is fixed in low mold frame, and be connected with front-slider, then front core-pulling slide block is inserted between front-slider and low mold frame, rear core-pulling slide block is inserted between rear slider and low mold frame, loose core before installing again oil hydraulic cylinder and after to loose core oil hydraulic cylinder, and oil hydraulic cylinder of front loosing core is connected with front core-pulling slide block, after oil hydraulic cylinder of loosing core be connected with rear core-pulling slide block, finally carry out matched moulds by framed up and down, with regard to installation.When casting, first molten metal is injected die casting die cavity along spreader, complete the pre-casting of foundry goods, then oil hydraulic cylinder before starting, front-slider is to die casting die cavity internal slide, realize the first time supercharging of die casting die cavity, then loose core before starting oil hydraulic cylinder and after to loose core oil hydraulic cylinder, the front core-pulling slide block of their correspondences, rear core-pulling slide block is respectively to die casting die cavity internal slide, realize the second time supercharging of die casting die cavity, after foundry goods cooling, after loose core oil hydraulic cylinder and rear core-pulling slide block first reset, after loose core oil hydraulic cylinder and rear core-pulling slide block reset again, front oil hydraulic cylinder and right slide block finally reset, foundry goods is taken out in die sinking afterwards.
Embodiment two: by reference to the accompanying drawings 1, 2, 3, a kind of die casting, comprise framed 1, upper mold core 2, low mold frame 3, lower mold core 4, front-slider 5, rear slider 6, left slider 10 and right slide block 11, upper mold core 2, lower mold core 4 is respectively with corresponding upper framed 1, low mold frame 3 is connected, lower mold core 4 is provided with the auxiliary slider 14 be connected with die casting die cavity, front-slider 5 and low mold frame 3 are slidably connected, front-slider 5 is provided with front oil hydraulic cylinder 5.1, front core-pulling slide block 7 is provided with between front-slider 5 and lower mold core 4, to loose core before front core-pulling slide block 7 is provided with oil hydraulic cylinder 7.1, rear slider 6 and low mold frame 3 fix, rear core-pulling slide block 8 is provided with between rear slider 6 and lower mold core 4, to loose core after rear core-pulling slide block 8 is provided with oil hydraulic cylinder 8.1, upper mold core 2, lower mold core 4, front-slider 5, front core-pulling slide block 7, rear slider 6 and rear core-pulling slide block 8 are combined to form the die casting die cavity of foundry goods, left slider 10 and right slide block 11 are respectively equipped with left oil hydraulic cylinder 10.1, right oil hydraulic cylinder 11.1, left slider 10 is all connected with die casting die cavity with right slide block 11.The top of left slider 10 is provided with the left core-pulling slide block 12 be connected with die casting die cavity, left core-pulling slide block 12 is provided with a left side and looses core oil hydraulic cylinder 12.1, the top of right slide block 11 is provided with the right core-pulling slide block 13 be connected with die casting die cavity, right core-pulling slide block 13 is provided with the right side and looses core oil hydraulic cylinder 13.1, and upper framed 1 is provided with the spreader 9 and exhaust block 15 that are connected with die casting die cavity.
Above-described two specific embodiments, are described in detail the utility model.Apply specific embodiment herein to set forth principle of the present utility model and embodiment, the explanation of embodiment just understands core concept of the present utility model for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model core concept; some modifications can also be carried out to the utility model; the such as size of each core-pulling slide block and exhaust block and the concrete technical parameter etc. of each oil hydraulic cylinder carry out the combination that some amendments or claims carry out some feasibilities, within the protection domain that should drop on the utility model claim.
Claims (6)
1. a die casting, comprise framed, upper mold core, low mold frame, lower mold core, front-slider and rear slider, it is characterized in that, described upper mold core, lower mold core is upper framed with corresponding respectively, low mold frame is connected, described front-slider and low mold frame are slidably connected, front-slider is provided with front oil hydraulic cylinder, front core-pulling slide block is provided with between front-slider and lower mold core, to loose core before described front core-pulling slide block is provided with oil hydraulic cylinder, described rear slider and low mold frame fix, rear core-pulling slide block is provided with between rear slider and lower mold core, to loose core after rear core-pulling slide block is provided with oil hydraulic cylinder, described upper mold core, lower mold core, front-slider, front core-pulling slide block, rear slider and rear core-pulling slide block are combined to form the die casting die cavity of foundry goods, describedly framedly be provided with the spreader be connected with die casting die cavity.
2. a kind of die casting according to claim 1, is characterized in that, described die casting also comprises left slider and right slide block, and described left slider and right slide block are respectively equipped with left oil hydraulic cylinder, right oil hydraulic cylinder, and left slider is all connected with die casting die cavity with right slide block.
3. a kind of die casting according to claim 2, is characterized in that, the top of described left slider is provided with the left core-pulling slide block be connected with die casting die cavity, and described left core-pulling slide block is provided with a left side and looses core oil hydraulic cylinder.
4. a kind of die casting according to claim 2, is characterized in that, the top of described right slide block is provided with the right core-pulling slide block be connected with die casting die cavity, and described right core-pulling slide block is provided with the right side and looses core oil hydraulic cylinder.
5. a kind of die casting according to claim 1, is characterized in that, described lower mold core is provided with the auxiliary slider be connected with die casting die cavity.
6. a kind of die casting according to claim 1, is characterized in that, is describedly framedly provided with the exhaust block be connected with die casting die cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420445007.XU CN204018690U (en) | 2014-08-08 | 2014-08-08 | A kind of die casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420445007.XU CN204018690U (en) | 2014-08-08 | 2014-08-08 | A kind of die casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204018690U true CN204018690U (en) | 2014-12-17 |
Family
ID=52058601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420445007.XU Expired - Fee Related CN204018690U (en) | 2014-08-08 | 2014-08-08 | A kind of die casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204018690U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105033222A (en) * | 2015-08-12 | 2015-11-11 | 重庆市合川区均恒金属加工厂 | Die-casting mould for gearbox shell |
| CN112792315A (en) * | 2020-12-18 | 2021-05-14 | 苏州广型模具有限公司 | Lightweight valve body die casting die |
-
2014
- 2014-08-08 CN CN201420445007.XU patent/CN204018690U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105033222A (en) * | 2015-08-12 | 2015-11-11 | 重庆市合川区均恒金属加工厂 | Die-casting mould for gearbox shell |
| CN112792315A (en) * | 2020-12-18 | 2021-05-14 | 苏州广型模具有限公司 | Lightweight valve body die casting die |
| CN112792315B (en) * | 2020-12-18 | 2022-01-25 | 苏州广型模具有限公司 | Lightweight valve body die casting die |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20180808 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |