CN201439113U - Metal mold casting dead head structure - Google Patents
Metal mold casting dead head structure Download PDFInfo
- Publication number
- CN201439113U CN201439113U CN2009203066541U CN200920306654U CN201439113U CN 201439113 U CN201439113 U CN 201439113U CN 2009203066541 U CN2009203066541 U CN 2009203066541U CN 200920306654 U CN200920306654 U CN 200920306654U CN 201439113 U CN201439113 U CN 201439113U
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- riser buss
- mold casting
- rising head
- emitted
- dead head
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Abstract
The utility model relates to a metal mold casting dead head structure which comprises a metal mould with a dead head. The metal mold casting dead head structure is characterized in that a dead head sleeve with low heat conductive coefficient is embedded at the inner side of the dead head of the metal mould, and a clearance is arranged between the dead head sleeve and the dead head. The metal mold casting dead head structure has the characteristics of simple structure, convenient operation, good heat preservation effect and repeated using.
Description
Technical field
The utility model relates to a kind of device that improves riser metal liquid feeding efficiency in a kind of permanent mold casting, especially relates to a kind of permanent mold casting and emits mouth structure.
Background technology
In permanent mold casting, generally all to the thick large part design of foundry goods rising head, allow the rising head inner metal liquid that the thick large part of foundry goods is carried out feeding according to the design feature of foundry goods.Because the metal type dies material is cast iron or hot rolling mould steel etc., it has the high characteristics of the coefficient of heat conduction, and the molten metal at rising head position can be with the very fast cooling cooling of the foundry goods of rising head bottom; In order to slow down the cooling cooling of rising head part metals liquid, generally take measures: strengthen the rising head volume, at rising head surface of internal cavity spray coating heat preservation coating or insulation material, when thermal insulation coatings comes off, stop to produce and spray the paste heat-preserving material again, operating difficulties, riser metal liquid feeding efficiency is low.Application number is that 200720159172.9 utility model discloses a kind of combined type casting riser buss, according to riser buss size and structure it evenly is divided into the several combinations part, each sub-assembly prepares respectively by mould, be provided with syndeton between the sub-assembly, syndeton can be damascene structures, buckle structure, pin feature etc.; Each several part also can connect by binding agent.But in actual use, the heat insulation effect of this riser buss is unsatisfactory.Application number is that 86100068 patent of invention discloses a kind of spherical heatproof riser cover, and its horizontal parting face has pair of concave. when making first insulation cladding, make protruding trim ring be placed on upper die mold; When making second insulation cladding, make recessed trim ring be placed on the counterdie mould, cutting the position, footpath has a fillet.Insulation material adopts refractory fibre, paper, phenolic resins, urotropine, and magnesia powder, water is formulated.The structure of this riser buss is comparatively complicated, and cost high trouble is installed, and its heat insulation effect is still not ideal enough.
Summary of the invention
The utility model mainly is to solve existing in prior technology complex structure, cost height, easy undesirable etc. the technical problem of aging, troublesome poeration, heat insulation effect, a kind of easy to operate, high insulating effect simple in structure is provided, and mouth structure is emitted in the permanent mold casting that can repeatedly use repeatedly.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: mouth structure is emitted in a kind of permanent mold casting, comprise the metal die that has rising head, the rising head inboard that it is characterized in that described metal die is embedded with the low thermal conductivity riser buss, is provided with the gap between this riser buss and the rising head.It is low to be bumped into the coefficient of heat conduction at the rising head position of metal die, heat-resisting, the riser buss that exotic material is made, this riser buss has stoped the heat loss through conduction of riser buss inner metal liquid, greatly slow down the cooling cooling of riser buss inner metal liquid, and other molten metal is to contact with the mould of being made by coefficient of heat conduction good metal material in the casting mold, metal die can be drawn the molten metal heat rapidly, the heat conduction is dispelled the heat, foundry goods is solidified rapidly, foundry goods is changed into by liquid state and produces volume contraction when solid-state, in time add in the foundry goods and still be in liquid molten metal in the rising head, thereby eliminate the inner shrinkage defect that easily produces of foundry goods.Gap between riser buss and the rising head has also further reduced the heat transfer efficiency between riser buss and the mould simultaneously, makes it can reach better heat insulation effect.
As preferably, the endoporus of described riser buss is a pyramidal structure.When die sinking, this structure can more convenient riser buss and the separating of foundry goods.
As preferably, the upside of described riser buss is provided with the riser buss pressing plate, and the riser buss pressing plate is connected by bolt with metal die.The riser buss pressing plate can adopt the flange-type structure, embeds in the rising head, and its lower end contacts with the upper end of riser buss, and riser buss is played fixation, and also very convenient when dismounting.
As preferably, the middle part of described riser buss pressing plate is provided with through hole, is provided with a push rod in the through hole, and the rising head outside is located in the upper end of this push rod, and the riser buss inboard is located in the lower end.In die sinking be, the part of foundry goods in riser buss may do not solidified fully, makes when die sinking, fracture so push down push rod when die sinking, can prevent the discovery of this phenomenon easily, simultaneously also can prevent when die sinking the not segregative problem of foundry goods and patrix.
As preferably, the material of described riser buss is the composite material of schmigel or seat clay and bonding agent.Riser buss is to have thermal conductivity factor low heat-resisting, exotic material by schmigel, seat clay etc. to mix with bonding agent, carrying out compacting, airing, baking, roasting forms, have good heat-insulating property and effect of heat insulation, have enough intensity and hardness, can reuse continuously.
The beneficial effect that brings of the present utility model is, existing in prior technology complex structure, cost height, easy undesirable etc. the technical problem of aging, troublesome poeration, heat insulation effect have been solved, realized that the permanent mold casting rising head is simple in structure, easy to operate, high insulating effect, the characteristics that can repeatedly use repeatedly.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of the present utility model.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: accompanying drawing 1 is a kind of structural representation of the present utility model.The utility model is that mouth structure is emitted in a kind of permanent mold casting, comprises the metal die 3 that has rising head, and the rising head inboard of described metal die is embedded with the riser buss 4 that the composite material by schmigel or seat clay and bonding agent constitutes, and the endoporus of riser buss is a pyramidal structure.Be provided with gap 5 between this riser buss and the rising head.The upside of riser buss is provided with riser buss pressing plate 2, and the riser buss pressing plate is connected by bolt with metal die.The middle part of riser buss pressing plate is provided with through hole, is provided with a push rod 1 in the through hole, and the rising head outside is located in the upper end of this push rod, and the riser buss inboard is located in the lower end.
It is low to be bumped into the coefficient of heat conduction at the rising head position of metal die, heat-resisting, the riser buss that exotic material is made, this riser buss has stoped the heat loss through conduction of riser buss inner metal liquid, greatly slow down the cooling cooling of riser buss inner metal liquid, and other molten metal is to contact with the mould of being made by coefficient of heat conduction good metal material in the casting mold, metal die can be drawn the molten metal heat rapidly, the heat conduction is dispelled the heat, foundry goods is solidified rapidly, foundry goods is changed into by liquid state and produces volume contraction when solid-state, in time add in the foundry goods and still be in liquid molten metal in the rising head, thereby eliminate the inner shrinkage defect that easily produces of foundry goods.Gap between riser buss and the rising head has also further reduced the heat transfer efficiency between riser buss and the mould simultaneously, makes it can reach better heat insulation effect.The riser buss pressing plate can adopt the flange-type structure, embeds in the rising head, and its lower end contacts with the upper end of riser buss, and riser buss is played fixation, and also very convenient when dismounting.
The utlity model has simple in structure, easy to operate, high insulating effect, repeatedly the characteristics such as Reusability.
Claims (8)
1. mouth structure is emitted in a permanent mold casting, comprises the metal die that has rising head, it is characterized in that the rising head inboard of described metal die (3) is embedded with low thermal conductivity riser buss (4), is provided with gap (5) between this riser buss and the rising head.
2. mouth structure is emitted in a kind of permanent mold casting according to claim 1, and the endoporus that it is characterized in that described riser buss is a pyramidal structure.
3. mouth structure is emitted in a kind of permanent mold casting according to claim 1 and 2, it is characterized in that the upside of described riser buss is provided with riser buss pressing plate (2), and the riser buss pressing plate is connected by bolt with metal die.
4. mouth structure is emitted in a kind of permanent mold casting according to claim 1 and 2, it is characterized in that the middle part of described riser buss pressing plate is provided with through hole, is provided with a push rod (1) in the through hole, and the rising head outside is located in the upper end of this push rod, and the riser buss inboard is located in the lower end.
5. mouth structure is emitted in a kind of permanent mold casting according to claim 3, it is characterized in that the middle part of described riser buss pressing plate is provided with through hole, is provided with a push rod in the through hole, and the rising head outside is located in the upper end of this push rod, and the riser buss inboard is located in the lower end.
6. mouth structure is emitted in a kind of permanent mold casting according to claim 1 and 2, and the material that it is characterized in that described riser buss is the composite material of schmigel or seat clay and bonding agent.
7. mouth structure is emitted in a kind of permanent mold casting according to claim 3, and the material that it is characterized in that described riser buss is the composite material of schmigel or seat clay and bonding agent.
8. mouth structure is emitted in a kind of permanent mold casting according to claim 4, and the material that it is characterized in that described riser buss is the composite material of schmigel or seat clay and bonding agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203066541U CN201439113U (en) | 2009-07-22 | 2009-07-22 | Metal mold casting dead head structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203066541U CN201439113U (en) | 2009-07-22 | 2009-07-22 | Metal mold casting dead head structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201439113U true CN201439113U (en) | 2010-04-21 |
Family
ID=42543785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203066541U Expired - Fee Related CN201439113U (en) | 2009-07-22 | 2009-07-22 | Metal mold casting dead head structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201439113U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107335791A (en) * | 2017-07-21 | 2017-11-10 | 中联精工（天津）有限公司 | Cast member waste material automatic recycling device |
| CN112620589A (en) * | 2020-12-18 | 2021-04-09 | 陕西法士特汽车传动集团有限责任公司 | Riser bush and casting method based on riser bush |
-
2009
- 2009-07-22 CN CN2009203066541U patent/CN201439113U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107335791A (en) * | 2017-07-21 | 2017-11-10 | 中联精工（天津）有限公司 | Cast member waste material automatic recycling device |
| CN107335791B (en) * | 2017-07-21 | 2022-12-06 | 大川精工(朝阳)有限公司 | Automatic recovery device for casting waste |
| CN112620589A (en) * | 2020-12-18 | 2021-04-09 | 陕西法士特汽车传动集团有限责任公司 | Riser bush and casting method based on riser bush |
| CN112620589B (en) * | 2020-12-18 | 2023-02-21 | 陕西法士特汽车传动集团有限责任公司 | Riser bush and casting method based on riser bush |
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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: 20100421 Termination date: 20150722 |
|
| EXPY | Termination of patent right or utility model |