CN203804191U - Die-casting die structure of automobile gearbox shell - Google Patents
Die-casting die structure of automobile gearbox shell Download PDFInfo
- Publication number
- CN203804191U CN203804191U CN201420190949.8U CN201420190949U CN203804191U CN 203804191 U CN203804191 U CN 203804191U CN 201420190949 U CN201420190949 U CN 201420190949U CN 203804191 U CN203804191 U CN 203804191U
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- die
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- core
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Abstract
The utility model relates to a die-casting die structure of an automobile gearbox shell. The structure comprises a movable die frame, a fixed die frame, a fixed die core and a movable die core, wherein a die cavity comprises a deep cavity and a shallow cavity, a pouring opening is aligned with the deep cavity, an integrated melting cup and a small melting cup are arranged in the pouring opening, the small melting cup is communicated with the deep cavity, a fixed die loose core is arranged on the fixed die frame, an included angle is formed between the fixed die loose core and the vertical face of the pouring opening, and the extending direction of the die cavity is consistent with the direction of the length of the fixed die loose core. The die-casting die structure of the automobile gearbox shell has the advantages that first, the pouring opening is formed in the end face of the deep cavity, molten aluminum can flow to the shallow cavity from the deep cavity, filling can be performed from complexity to easiness and from high requirement to low requirement in sequence, casts are free of the defects of air holes, shrinkage holes, cold shut and the like, and requirements of clients are totally met; the pouring opening is aligned with the deep cavity, and therefore the air tightness requirement of the deep cavity portion is effectively guaranteed; because the product and the fixed die loose core rotate by a certain angle, the fixed die loose core is right kept away from the integrated melting cup, the fixed die loose core and the integrated melting cup do not interfere with each other, and operation is facilitated.
Description
Technical field
The utility model relates to a kind of die casting, especially relates to a kind of automobile speed variator structure of cast die.
Background technology
Compression casting is to make motlten metal be full of mold cavity and die cast under high pressure, high speed, in the course of the work repeatedly with red-hot Metal Contact, therefore require compression mod to there is higher heat-resistant anti-fatigue, thermal conductivity wearability, corrosion resistance, impact flexibility, red hardness, good release property etc.Along with developing rapidly of China's automobile and motorcycle industry, Die Casting Industry is rapidly developed, and also comprehensive mechanical property, the life-span etc. of die casting is had higher requirement simultaneously.Compression mod forging process is that first molten metal low speed or high-speed casting are filled in the die cavity of type progressive die tool, mould has movable cavity surface, it,, along with the cooling procedure pressurization of molten metal is forged, had both eliminated the shrinkage porosity defect of contraction cavity of blank, also made the interior tissue of blank reach the Broken Crystal of forging state.In various moulds, the condition of work of die casting is comparatively harsh.At present, it is inaccurate that some die castings exist location, and the problem that machining accuracy is low becomes the bottleneck that restriction die casting industry develops.
Utility model content
The utility model is mainly for the existing problem that has pore, easily shrinkage cavity, poor air-tightness of existing pressure-casting mold of speed changer shell, the automobile speed variator structure of cast die that provide a kind of pore-free, be difficult for shrinkage cavity, air-tightness is good.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of automobile speed variator structure of cast die, comprise dynamic model frame and cover half frame, on cover half frame, be connected with cover half core, on dynamic model frame, be connected with moving-mould-core, dynamic model frame and cover half frame surround mold cavity, cover half frame is provided with sprue gate, described mold cavity comprises dark die cavity and shallow die cavity, dark die cavity and shallow die cavity are connected smoothly, described sprue gate is aimed at dark die cavity, in sprue gate, be provided with the Integral melting cup and the little molten cup that are docking together, little molten cup is communicated with dark die cavity, cover half frame is provided with cover half and looses core, cover half loose core and sprue gate vertical plane between there is angle, the length direction that the direction of extension of mold cavity is loosed core with cover half is consistent.The mold cavity of this die casting is divided into dark die cavity and shallow die cavity, sprue gate is arranged on dark die cavity end face, allow aluminium liquid from dark die cavity to shallow die cavity, from complexity to simply, high to requiring low filling in proper order, die casting foundry goods out from requiring, pore-free, without shrinkage cavity, without defects such as cold shuts, meet customer requirement completely.Cast gate direction is aimed at dark cavity segment completely, allows aluminium liquid major part all pour dark cavity segment, effectively ensures the air-tightness requirement at position, dark chamber.Product and cover half are loosed core and are put with routine completely differently, and product has turned certain angle, and just cover half is loosed core and avoided not interfering with Integral melting cup, convenient operation.
As preferably, in described mold cavity, be provided with left slider, right slide block and top shoe, dynamic model frame is provided with boss, and boss is near left slider, right slide block and top shoe.Play the effect of location at the other boss that increases of slide block, effectively raise the precision of position, hole and product design on slide block.Well meet client's requirement.
As preferably, one side of described described dynamic model frame is provided with two mould pin, between two mould pin, is provided with movably top board, is installed with push rod fixed head on top board, on push rod fixed head, be connected with the push rod that runs through cover half frame, cover half frame is provided with the push pedal guide pillar being connected with push rod.When the demoulding, top board is for ejecting product.
As preferably, described cover half loose core and sprue gate vertical plane between angle angle be 23 °.The cover half product of loosing core has turned 23 °, just avoids not interfering convenient operation with Integral melting cup.
As preferably, in described dynamic model frame, be embedded with guide pin bushing, in guide pin bushing, be provided with guide pillar, dynamic model frame is connected with cover half frame by guide pillar.Accurate positioning, is difficult for dislocation.
As preferably, described dynamic model frame is provided with spreader.
Therefore, 1), mold cavity is divided into dark die cavity and shallow die cavity the beneficial effects of the utility model are:, sprue gate is arranged on dark die cavity end face, allow aluminium liquid from dark die cavity to shallow die cavity, from complexity to simply, high to requiring low filling in proper order from requiring, foundry goods pore-free out of die casting, without shrinkage cavity, without defects such as cold shuts, meets customer requirement completely; 2), cast gate direction aims at dark cavity segment completely, allows aluminium liquid major part all pour dark cavity segment, effectively ensures the air-tightness requirement at position, dark chamber; 3), product and cover half loose core and put with routine completely differently, product has turned certain angle, just cover half is loosed core and is avoided not interfering with Integral melting cup, convenient operation.
Brief description of the drawings
Accompanying drawing 1 is front view of the present utility model;
Accompanying drawing 2 is a kind of longitudinal sectional views of the present utility model;
Accompanying drawing 3 is a kind of schematic diagrames of cover half in the utility model.
Shown in figure: 1-cover half frame, 2-cover half core, 3-guide pillar, 4-guide pin bushing, 5-dynamic model frame, 6-mould pin, 7-ejector pin retaining plate, 8-push pedal, 9-Integral melting cup, the little molten cup of 10-, 11-moving-mould-core, 12-spreader, 13-push pedal guide pillar, 14-ejector guide pillar, 15-left slider, 16-top shoe, the right slide block of 17-, 18-cover half are loosed core, 19-boss.
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment:
As Figure of description 1, shown in 3, a kind of automobile speed variator structure of cast die, comprise dynamic model frame and cover half frame, in dynamic model frame, be embedded with guide pin bushing, in guide pin bushing, be provided with guide pillar, dynamic model frame is connected with cover half frame by guide pillar, on cover half frame, be connected with cover half core, on dynamic model frame, be connected with moving-mould-core, dynamic model frame and cover half frame surround mold cavity, cover half frame is provided with sprue gate, dynamic model frame is provided with spreader, mold cavity comprises dark die cavity and shallow die cavity, dark die cavity and shallow die cavity are connected smoothly, sprue gate is aimed at dark die cavity, as shown in Figure of description 2, in sprue gate, be provided with the Integral melting cup and the little molten cup that are docking together, little molten cup is communicated with dark die cavity, cover half frame is provided with cover half and looses core, cover half loose core and sprue gate vertical plane between there is angle, angle angle is that the direction of extension of the 23 ° of mold cavities length direction of loosing core with cover half is consistent, in mold cavity, be provided with left slider, right slide block and top shoe, dynamic model frame is provided with boss, boss is near left slider, right slide block and top shoe.One side of dynamic model frame is provided with two mould pin, between two mould pin, is provided with movably top board, is installed with push rod fixed head on top board, is connected with the push rod that runs through cover half frame on push rod fixed head, and cover half frame is provided with the push pedal guide pillar being connected with push rod.
The mold cavity of this die casting is divided into dark die cavity and shallow die cavity, as shown in Figure of description 1, A place represents dark die cavity, B place represents shallow die cavity, and sprue gate is arranged on dark die cavity end face, allows aluminium liquid from dark die cavity to shallow die cavity, from complexity to simply, high to requiring low filling in proper order from requiring, foundry goods pore-free out of die casting, without shrinkage cavity, without defects such as cold shuts, meets customer requirement completely.Cast gate direction is aimed at dark cavity segment completely, allows aluminium liquid major part all pour dark cavity segment, effectively ensures the air-tightness requirement at position, dark chamber.Product and cover half are loosed core and are put with routine completely differently, and product has turned certain angle, and just cover half is loosed core and avoided not interfering with Integral melting cup, convenient operation.Play the effect of location at the other boss that increases of slide block, effectively raise the precision of position, hole and product design on slide block.Well meet client's requirement.
Should be understood that this embodiment is only not used in restriction scope of the present utility model for the utility model is described.In addition should be understood that those skilled in the art can make various changes or modifications the utility model after having read the content of the utility model instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Claims (6)
1. an automobile speed variator structure of cast die, comprise dynamic model frame and cover half frame, on cover half frame, be connected with cover half core, on dynamic model frame, be connected with moving-mould-core, dynamic model frame and cover half frame surround mold cavity, cover half frame is provided with sprue gate, it is characterized in that, described mold cavity comprises dark die cavity and shallow die cavity, dark die cavity and shallow die cavity are connected smoothly, described sprue gate is aimed at dark die cavity, in sprue gate, be provided with the Integral melting cup and the little molten cup that are docking together, little molten cup is communicated with dark die cavity, cover half frame is provided with cover half and looses core, cover half loose core and sprue gate vertical plane between there is angle, the length direction that the direction of extension of mold cavity is loosed core with cover half is consistent.
2. a kind of automobile speed variator structure of cast die according to claim 1, is characterized in that, in described mold cavity, be provided with left slider, right slide block and top shoe, dynamic model frame is provided with boss, and boss is near left slider, right slide block and top shoe.
3. a kind of automobile speed variator structure of cast die according to claim 1 and 2, it is characterized in that, one side of described described dynamic model frame is provided with two mould pin, between two mould pin, be provided with movably top board, on top board, be installed with push rod fixed head, on push rod fixed head, be connected with the push rod that runs through cover half frame, cover half frame is provided with the push pedal guide pillar being connected with push rod.
4. a kind of automobile speed variator structure of cast die according to claim 1, is characterized in that, described cover half loose core and sprue gate vertical plane between angle angle be 23 °.
5. according to a kind of automobile speed variator structure of cast die described in claim 1 or 2 or 4, it is characterized in that, in described dynamic model frame, be embedded with guide pin bushing, be provided with guide pillar in guide pin bushing, dynamic model frame is connected with cover half frame by guide pillar.
6. according to a kind of automobile speed variator structure of cast die described in claim 1 or 2 or 4, it is characterized in that, described dynamic model frame is provided with spreader.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420190949.8U CN203804191U (en) | 2014-04-18 | 2014-04-18 | Die-casting die structure of automobile gearbox shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420190949.8U CN203804191U (en) | 2014-04-18 | 2014-04-18 | Die-casting die structure of automobile gearbox shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203804191U true CN203804191U (en) | 2014-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420190949.8U Expired - Fee Related CN203804191U (en) | 2014-04-18 | 2014-04-18 | Die-casting die structure of automobile gearbox shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203804191U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104174829A (en) * | 2014-09-16 | 2014-12-03 | 重庆世华模具有限公司 | Gear case die-casting technology and gear case die-casting dies thereof |
| CN105583392A (en) * | 2016-02-29 | 2016-05-18 | 联禾厚普（太仓）精密机械有限公司 | Core sliding block for die casting of oil pump housing |
-
2014
- 2014-04-18 CN CN201420190949.8U patent/CN203804191U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104174829A (en) * | 2014-09-16 | 2014-12-03 | 重庆世华模具有限公司 | Gear case die-casting technology and gear case die-casting dies thereof |
| CN105583392A (en) * | 2016-02-29 | 2016-05-18 | 联禾厚普（太仓）精密机械有限公司 | Core sliding block for die casting of oil pump housing |
| CN105583392B (en) * | 2016-02-29 | 2017-10-20 | 联禾厚普（太仓）精密机械有限公司 | A kind of core body sliding block of oil pump case die casting |
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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: 20140903 Termination date: 20180418 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |