CN103801674A - Fixing structure for preventing excessive thermal deformation of die - Google Patents
Fixing structure for preventing excessive thermal deformation of die Download PDFInfo
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- CN103801674A CN103801674A CN201410050485.5A CN201410050485A CN103801674A CN 103801674 A CN103801674 A CN 103801674A CN 201410050485 A CN201410050485 A CN 201410050485A CN 103801674 A CN103801674 A CN 103801674A
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- fixing structure
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Abstract
The invention relates to the technical field of manufacturing of automobile dies and discloses a fixing structure for preventing excessive thermal deformation of a die. The fixing structure comprises an outer ring fixing structure which is used for being connected with the die and a base plate in a fastened mode, wherein the outer ring fixing structure is arranged at the outer end of the die. The fixing structure further comprises at least one inner ring fixing structure, wherein each inner ring fixing structure comprises at least one connection portion and an extension portion, each connection portion extends out downwards from the position, close to the center, of the lower bottom surface of the die, the extension portion is arranged on the base plate and corresponds to each connection portion, and each connection portion is fixedly connected with the extension portion through a fastener. The fixing structure for preventing the excessive thermal deformation of the die has the advantages that the outer ring fixing structure and the inner ring fixing structure are matched with each other, so that the connection between the die and the base plate is more stable and firmer, the upward action force generated by a connecting device of a molten aluminum crucible and a riser tube can be effectively resisted, the deformation of a bottom die of the die is lowered to 0.1mm to 0.3mm, and the dimensional accuracy of a product is improved; in addition, operation is simple and maintenance is convenient.
Description
Technical field
The present invention relates to automobile die manufacturing technology field, relate in particular to a kind of for preventing mold hot to be out of shape excessive fixed structure.
Background technology
Conventional low hub mold mainly comprises mould, base plate, crucible and stalk jockey, described mould bottom surface is fixed on base plate by external ring fixing structure near outer end place, the below of described base plate is provided with crucible, in described crucible, be provided with stalk jockey, the upper end of described stalk jockey is sleeved on the center of mould.
This kind of connected mode, bed die produces upwards arching distortion of core under the acting in conjunction of active force upwards of aluminium water crucible and stalk jockey and thermal deformation, produce the different deflections of measuring according to different mold wall thicknesses and shape, even mold wall thickness is thicker, deflection still can reach 0.5-0.8mm, just easily occur that so aborning foundry goods scraps because deflection is excessive, the problem that defect rate is high.
Summary of the invention
The object of the invention is to propose a kind of for preventing mold hot to be out of shape excessive fixed structure, can solve mould easily cause aborning distortion excessive, the problem that defect rate is high.
For reaching this object, the present invention by the following technical solutions:
A kind of for preventing mold hot to be out of shape excessive fixed structure, comprise: for being fastenedly connected the external ring fixing structure of mould and base plate, described external ring fixing structure is laid in the outer end of mould, also comprise at least one inner ring fixed structure, described inner ring fixed structure comprises by the bottom surface of mould near center extended at least one connecting portion downwards, be laid in extension corresponding with connecting portion on base plate, described connecting portion and extension are fixedly connected by securing member.
Wherein, described extension is the loop configuration take mold center as the center of circle, offers the fixing hole of multiple corresponding connection parts in described loop configuration.
Wherein, described extension is the list structure radially take mold center as radiant, and on each list structure, offers the fixing hole of corresponding connection parts.
Wherein, described connecting portion is from the downward extended cylinder of mould bottom surface, on described cylinder, offers locating hole.
Wherein, described connecting portion is the annular solid take mold center as the center of circle, on described annular solid, offers locating hole.
Wherein, described securing member is bolt or screw.
The invention has the beneficial effects as follows: external ring fixing structure and inner ring fixed structure match, make the connection between mould and base plate more firm and solid, be highly resistant to the active force upwards that aluminium water crucible and stalk jockey produce, the deflection of the bed die of mould is dropped to 0.1-0.3mm, improved the accuracy of product size; And simple to operate, easy to maintenance.
Accompanying drawing explanation
Fig. 1 be the specific embodiment of the invention 1 provide for preventing mold hot to be out of shape the structural representation of excessive fixed structure.
In figure:
1, connecting portion; 2, extension; 3, securing member; 4, mould; 5, base plate; 6, external ring fixing structure.
The specific embodiment
Further illustrate technical scheme of the present invention below in conjunction with accompanying drawing and by the specific embodiment.
Embodiment 1
As shown in Figure 1, a kind of for preventing mold hot to be out of shape excessive fixed structure, comprise: for being fastenedly connected the external ring fixing structure 6 of mould 4 and base plate 5, described external ring fixing structure 6 is laid in the outer end of mould 4, comprise an inner ring fixed structure, described inner ring fixed structure comprises that bottom surface by mould 4, near the downward extended connecting portion 1 in center, is laid in extension corresponding with connecting portion 1 on base plate 52, and described connecting portion 1 and extension 2 are fixedly connected by securing member 3.
Described extension 2 is the loop configuration take mould 4 centers as the center of circle, offers the fixing hole of multiple corresponding connection parts 1 in described loop configuration.Wherein, described connecting portion 1 is the annular solid take mold center as the center of circle, on described annular solid, offers locating hole.
Described annular solid and loop configuration make the connection between mould 4 and base plate 5 more firm and solid, in the time that aluminium water crucible and stalk jockey active force upwards act on die casting, because increased the connecting portion of annular solid and the extension of loop configuration, the deflection of the bed die of mould 4 is dropped to 0.1-0.3mm, improved the accuracy of product size.And simple to operate, easy to maintenance.
Preferably, described securing member 3 is bolt or screw.The two ends of described bolt or screw are separately fixed in fixing hole and locating hole, play the effect that connecting portion and extension are fastenedly connected.
A kind of for preventing mold hot to be out of shape excessive fixed structure, comprise: for being fastenedly connected the external ring fixing structure of mould and base plate, described external ring fixing structure is laid in the outer end of mould, also comprise two inner ring fixed structures, described inner ring fixed structure comprises by the bottom surface of mould near center extended at least one connecting portion downwards, be laid in extension corresponding with connecting portion on base plate, described connecting portion and extension are fixedly connected by securing member.
Described extension is the list structure radially take mold center as radiant, and on each list structure, offers the fixing hole of corresponding connection parts.Described connecting portion is from the downward extended cylinder of mould bottom surface, on described cylinder, offers locating hole.Described securing member is bolt or screw.
Described bolt or screw are respectively by being fixedly connected connecting portion and extension with coordinating of fixing hole and locating hole, and described two inner ring retainer plates are all take the center of mould as annular, and be evenly distributed between the external ring fixing structure and stalk coupling arrangement of mould.
A kind of for preventing mold hot to be out of shape excessive fixed structure, comprise: for being fastenedly connected the external ring fixing structure of mould and base plate, described external ring fixing structure is laid in the outer end of mould, also comprise an inner ring fixed structure, described inner ring fixed structure comprises by the bottom surface of mould near center extended at least one connecting portion downwards, be laid in extension corresponding with connecting portion on base plate, described connecting portion and extension are fixedly connected by securing member.
Described extension is the loop configuration take mold center as the center of circle, offers the fixing hole of multiple corresponding connection parts in described loop configuration.Described connecting portion is from the downward extended cylinder of mould bottom surface, on described cylinder, offers locating hole.Described securing member is bolt or screw.Described bolt or screw are respectively by being fixedly connected connecting portion and extension with coordinating of fixing hole and locating hole.
The extension of described loop configuration has been reinforced the supporting role of base plate, by being fixedly connected with of extension and multiple connecting portions, the deflection of the bed die of mould is dropped to 0.1-0.3mm simultaneously, has improved the accuracy of product size.And simple to operate, easy to maintenance.
A kind of for preventing mold hot to be out of shape excessive fixed structure, comprise: for being fastenedly connected the external ring fixing structure of mould and base plate, described external ring fixing structure is laid in the outer end of mould, also comprise three inner ring fixed structures, described three inner ring fixed structures are the donut take mold center as the center of circle.
Described inner ring fixed structure comprises that bottom surface by mould, near the downward extended connecting portion in center, is laid in extension corresponding with connecting portion on base plate, and described connecting portion and extension are fixedly connected by securing member.
Described extension is the list structure radially take mold center as radiant, and on each list structure, offers the fixing hole of corresponding connection parts.Described connecting portion is the annular solid take mold center as the center of circle, on described annular solid, offers locating hole.Described securing member is bolt or screw.Described bolt or screw are respectively by being fixedly connected connecting portion and extension with coordinating of fixing hole and locating hole.
Know-why of the present invention has below been described in conjunction with specific embodiments.These are described is in order to explain principle of the present invention, and can not be interpreted as by any way limiting the scope of the invention.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other specific embodiment of the present invention, within these modes all will fall into protection scope of the present invention.
Claims (6)
1. one kind for preventing mold hot to be out of shape excessive fixed structure, comprise: for being fastenedly connected the external ring fixing structure (6) of mould (4) and base plate (5), described external ring fixing structure (6) is laid in the outer end of mould (4), it is characterized in that, also comprise at least one inner ring fixed structure, described inner ring fixed structure comprises by the bottom surface of mould (4) near center extended at least one connecting portion (1) downwards, be laid in the upper extension (2) corresponding with connecting portion (1) of base plate (5), described connecting portion (1) and extension (2) are fixedly connected by securing member (3).
2. according to claim 1 a kind of for preventing mold hot to be out of shape excessive fixed structure, it is characterized in that, described extension (2) is the loop configuration take mould (4) center as the center of circle, offers the fixing hole of multiple corresponding connection parts (1) in described loop configuration.
3. according to claim 1 a kind of for preventing mold hot to be out of shape excessive fixed structure, it is characterized in that, described extension (2) is the list structure radially take mould (4) center as radiant, and on each list structure, offers the fixing hole of corresponding connection parts (1).
4. it is characterized in that for preventing mold hot to be out of shape excessive fixed structure according to a kind of described in claim 2 or 3 any one, described connecting portion (1) is from the downward extended cylinder of mould (4) bottom surface, on described cylinder, offers locating hole.
5. it is characterized in that for preventing mold hot to be out of shape excessive fixed structure according to a kind of described in claim 2 or 3 any one, described connecting portion (1) is the annular solid take mold center as the center of circle, on described annular solid, offers locating hole.
6. according to claim 1 a kind ofly it is characterized in that for preventing mold hot to be out of shape excessive fixed structure, described securing member (3) is bolt or screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410050485.5A CN103801674A (en) | 2014-02-13 | 2014-02-13 | Fixing structure for preventing excessive thermal deformation of die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410050485.5A CN103801674A (en) | 2014-02-13 | 2014-02-13 | Fixing structure for preventing excessive thermal deformation of die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103801674A true CN103801674A (en) | 2014-05-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410050485.5A Pending CN103801674A (en) | 2014-02-13 | 2014-02-13 | Fixing structure for preventing excessive thermal deformation of die |
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| CN (1) | CN103801674A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6310056A (en) * | 1986-06-30 | 1988-01-16 | Toyo Tire & Rubber Co Ltd | Mold for low pressure casting of metal die for vulcanizing tyre forming |
| CN101497122A (en) * | 2008-01-31 | 2009-08-05 | 上海爱仕达汽车零部件有限公司 | Diesel motor aluminium alloy cylinder metal mould low-pressure casting mold |
| CN201376083Y (en) * | 2009-05-05 | 2010-01-06 | 中信戴卡轮毂制造股份有限公司 | Hub die base plate |
| CN202447606U (en) * | 2011-12-27 | 2012-09-26 | 芜湖黄燕实业有限公司 | Baseplate of automobile hub casting mold |
| CN202447593U (en) * | 2011-12-27 | 2012-09-26 | 芜湖黄燕实业有限公司 | Pouring die for automobile hub |
| CN203737994U (en) * | 2014-02-13 | 2014-07-30 | 昆山众异特机械工业有限公司 | Fixing structure used for preventing die excessively-large thermal deformation |
-
2014
- 2014-02-13 CN CN201410050485.5A patent/CN103801674A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6310056A (en) * | 1986-06-30 | 1988-01-16 | Toyo Tire & Rubber Co Ltd | Mold for low pressure casting of metal die for vulcanizing tyre forming |
| CN101497122A (en) * | 2008-01-31 | 2009-08-05 | 上海爱仕达汽车零部件有限公司 | Diesel motor aluminium alloy cylinder metal mould low-pressure casting mold |
| CN201376083Y (en) * | 2009-05-05 | 2010-01-06 | 中信戴卡轮毂制造股份有限公司 | Hub die base plate |
| CN202447606U (en) * | 2011-12-27 | 2012-09-26 | 芜湖黄燕实业有限公司 | Baseplate of automobile hub casting mold |
| CN202447593U (en) * | 2011-12-27 | 2012-09-26 | 芜湖黄燕实业有限公司 | Pouring die for automobile hub |
| CN203737994U (en) * | 2014-02-13 | 2014-07-30 | 昆山众异特机械工业有限公司 | Fixing structure used for preventing die excessively-large thermal deformation |
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Application publication date: 20140521 |