CN201217058Y - Side mould structure of gravity casting hub - Google Patents
Side mould structure of gravity casting hub Download PDFInfo
- Publication number
- CN201217058Y CN201217058Y CNU2008200503369U CN200820050336U CN201217058Y CN 201217058 Y CN201217058 Y CN 201217058Y CN U2008200503369 U CNU2008200503369 U CN U2008200503369U CN 200820050336 U CN200820050336 U CN 200820050336U CN 201217058 Y CN201217058 Y CN 201217058Y
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- web
- gusset
- gravity casting
- reinforcing
- stiffened
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Abstract
The utility model discloses a side die structure for gravity casting of a wheel hub, which comprises a web, an upper stiffened plate and a lower stiffened plate. The upper stiffened plate and the lower stiffened plate are respectively arranged at the upper part and the lower part of the outer side wall of the web. Reinforcing stiffened plates are arranged around the outer side of the web. The middle section of each reinforcing stiffened plate and the outer side wall of the web are separated and suspended, and two ends of the reinforcing stiffened plate are respectively fixedly connected with the two side ends of the web. The reinforcing stiffened plates are two or more in number and supporting ribs are arranged between the reinforcing stiffened plates. The supporting ribs and the reinforcing plates are vertically connected. The side die structure intensifies the force moments of the two side ends of the web and relatively weakens the intensity of the middle section, so that deformation of the side die generated by internal stress due to thermal expansion is shifted to the middle section. Therefore, deformations at two side ends of the side die are small, so the deformation gap is small. The side die structure is widely applicable in the production of automobile wheel hubs through gravity casting.
Description
Technical field
The utility model belongs to a kind of gravity casting hub mould, relates in particular to a kind of side mould structure of gravitational casting of automobile hub mould.
Background technology
The automotive hub mould generally is divided into compression casting hub mold and gravity casting hub mould, and domestic gravity casting hub mould is continued to use the mould process of introducing from Taiwan always and but do not upgraded and improvement.
Traditional gravity casting hub mould, generally comprise parts such as upper die and lower die, side form, side form occupies an important position in the gravity casting hub mould, as shown in Figure 1, be traditional gravity casting hub mould, a whole set of mould mainly is made up of side form 1A, patrix 2, counterdie 3, the center the automotive hub 4 cast by this mold of correspondence.Wherein, about side form 1A each one, as shown in Figure 2, it mainly is made up of last gusset 11, web 12, lower web plate 13, middle ribs 18, brace rod 14, middle ribs 18 is between last gusset 11 and lower web plate 13, and parallel with last gusset 11, lower web plate 13, all bottoms of strengthening gusset up and down all directly are connected with web, its objective is in order to prevent whole side mold distortion.Find in the practice, the mould that utilizes this kind structure in process of production, not only the heat conduction is inhomogeneous, cause automotive hub RIM position feeding difficulty, and because side form internal stress under the situation of being heated is bigger, cause side form outwards to uphold distortion in the matched moulds position, and then it is big to cause left and right sides side form to be in course of work intermediate gap at it in conjunction with the slit, there are a large amount of aluminium water to spill at gap location, said in the industry at once leakage aluminium phenomenon, this very general and serious phenomenon is light then to form the fash that thickness is at least 2～4mm at left and right sides side form in conjunction with the place, slit, serious then aluminium liquid directly flows out from the slit, have a strong impact on production process, and the side form size is big more, this phenomenon is obvious more.In existing production, to residual aluminum fash on the wheel hub, because thickness is big, have only and at first take manually to cut the mode of cutting or use special-purpose die cutting die to be removed, the back accurately processes with lathe again, thereby causes following process loaded down with trivial details, and waste of material is many, and wheel hub this pore appears in the fash position, density is not enough.Therefore, attempt to reduce the aluminium amount of leaking, lower the residual thickness of fash, be to grope but the problem of solution not yet in effect in the aluminum current wheel hub manufacture process always.
Summary of the invention
At the deficiency in the existing conventional art, the special structure that proposes a kind of side mold of the utility model, utilize the side mold of this side mould structure manufacturing can not leak aluminium substantially in the process of casting of automobile hub, it is little to have saved production raw material and fash, and the following process difficulty is diminished.
The utility model has adopted following technical scheme:
A kind of side mould structure of gravity casting hub comprises web 1, goes up gusset 11 and lower web plate 12, described go up gusset 11 and lower web plate 12 lay respectively at described web 1 the lateral wall upper and lower and with described web 1 vertical being connected; It is characterized in that: around the outside of described web 1, also be provided with and the described substantially parallel reinforcement gusset 2 of gusset 11 or described lower web plate 12 of going up, position, the stage casing B of described reinforcement gusset 2 and described web 1, the described lateral wall of going up gusset 11 or lower web plate 12 separate unsettled, and the two ends of described reinforcement gusset 2 are connected with the two side ends A of described web 1 respectively.
In such scheme, the madial wall of described web 1 is the die cavity wall of casting hub.Described upward gusset 11 and lower web plate 12 are separately positioned on the lateral wall upper and lower of described web 1, can play the role of positioning when mounted to described web 1 like this, also can play booster action in the casting use, prevent that described web 1 too is out of shape.
Position, the stage casing B of described reinforcement gusset 2 separates unsettled with the lateral wall of described web 1, be not connected between position, the stage casing B that is meant described reinforcement gusset 2 and described web 1, the described lateral wall of going up gusset 11 or lower web plate 12, having certain clearance between the two and unsettled, only is that the both ends of described reinforcement gusset 2 and the two side ends A of described web 1 are connected.In using die casting wheel hub process, because described reinforcement gusset 2 is centered around the outside of described web 1, its operating temperature is far smaller than the temperature of described web 1, thereby the heat distortion amount of described reinforcement gusset 2 also is far smaller than described web 1, can effectively strengthen the moment of the end, the left and right sides of described web 1 like this, the two side ends that prevents described side mold is heat stretch and make the gap between two side molds behind the matched moulds become big too much, leaks the big problem of aluminium amount; And the deflection that described web 1 causes because of the thermal expansion internal stress is forced to conduct to the medium position of described web 1, is compensated the thermal expansion amount of side form by the deflection of the medium position between described web 1 two side ends.Under this kind scheme, the utility model has changed the deformation position of described web 1, though the medium position deflection of described web 1 has strengthened, but this position can not produce Lou aluminium problem, corresponding to the issuable unnecessary surplus in wheel hub middle part, can adopt lathe to be processed removal together when removing fash, the follow-up work amount is obviously simplified; Also can when design side form inner cavity size data, reserve certain surplus in advance, thereby after the casting of whole wheel hub is finished, can not have dimensional discrepancy substantially.
In order further to improve technique effect, described reinforcement gusset 2 has two or more, between two adjacent described reinforcement gussets 2 brace rod 3 is set, described brace rod 3 and described 2 vertical connections of reinforcement gusset.Can strengthen the support moment of end, 2 pairs of described web 1 left and right sides of described reinforcement gusset so more, described brace rod 3 can prevent that again described reinforcement gusset 2 from use pushing torsional deformation because of the powerful internal stress of described web 1, but does not influence the reasonable deflection of the medium position of described web 1.
In order further to improve technique effect, two described reinforcement gussets 2 lay respectively at the described outside of going up gusset 11 and described lower web plate 12, and separate unsettled with the described lateral wall of going up gusset 11 or described lower web plate 12.Further, the centre position between the described reinforcement gusset 2 in upper and lower also is provided with the 3rd described reinforcement gusset 2.It is unsettled that the medium position of described web 1 is separated with described reinforcement gusset 2, and the two side ends of described web 1 is evenly stressed at axial upper, middle and lower position, and the medium position homogeneous deformation of described web 1, the service life of improving mould.
The technological improvement measure that the utility model is taked can reach following beneficial effect:
(1) compares the reinforcement of traditional moulds and the reinforcement gusset 2 of the utility model design, the utility model adopts the basic principle of dredging rather than intercepting, strengthened the stressed moment of side mold web two side ends, the intensity at relative reduction position, stage casing, allow side mold move to medium position because of the deflection that the thermal expansion internal stress produces, because the deflection of side mold both side ends diminishes, the distortion slit of generation is also little like this, substantially do not leak the aluminium problem, fash is thinned in the 1MM.
(2) since between the left and right sides mould in when casting gap smaller, the pressure at this position improves, the pore of wheel hub reduces, closely knit performance is good.
(3) owing to strengthen the upper, middle and lower position that gusset 2 can be evenly distributed on side mold, make whole side mold stressed evenly.
Owing to the utlity model has above-mentioned advantage, can be widely used in the mould of all kinds of gravitational casting of automobile hub.
Description of drawings
Fig. 1 is the assembling schematic diagram of traditional gravitational casting of automobile hub mould;
Fig. 2 is the structure schematic diagram of traditional moulds side form;
Fig. 3 is a structure schematic diagram of using embodiment of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing, further specify and use the specific embodiment of the present utility model:
As shown in Figure 3, a kind of side mould structure of gravity casting hub comprises web 1, goes up gusset 11 and lower web plate 12, described go up gusset 11 and lower web plate 12 lay respectively at described web 1 the lateral wall upper and lower and with described web 1 vertical being connected; Be positioned at the described outside of going up gusset 11 and described lower web plate 12 a described reinforcement gusset 2 respectively is set, described reinforcement gusset 2 separates unsettled with the described lateral wall of going up gusset 11 or described lower web plate 12, and described reinforcement gusset 2 surrounds described gusset 11 or the described lower web plate 12 gone up respectively.Because described reinforcement gusset 2 is positioned at the described outside of going up gusset 11 and described lower web plate 12, with respect to prior art, the vertical protrusion height of described upward gusset 11 and described lower web plate 12 is just smaller relatively.Further, the centre position between the described reinforcement gusset 2 in upper and lower is also unsettled is provided with the 3rd described reinforcement gusset 2.Unsettled and the two ends of position, the stage casing B of three described reinforcement gussets 2 are connected with the two side ends A of described web 1 respectively.Article three, between the described reinforcement gusset 2 brace rod 3 is set, the vertical connection between described brace rod 3 and three the described reinforcement gussets 2, and described brace rod 3 with described web 1, go up between gusset 11 and the lower web plate 12 and directly be not connected.In this scheme, position, the stage casing B of three described reinforcement gussets 2 all is in vacant state, temperature during work is well below the temperature of described web 1, thereby the heat distortion amount of described reinforcement gusset 2 is less than described web 1, apply bigger anti-extension moment can for the two side ends A of described web 1, make the deflection of side form move to position, stage casing between the two side ends A, and the upper, middle and lower position at position, side form stage casing can produce uniform distortion, gap in casting process behind the two side form matched moulds can obviously reduce and evenly, substantially can not leak aluminium water, the thickness of fash can be reduced to below the 1MM, and the difficulty of following process is much smaller like this.
Claims (4)
1. the side mould structure of gravity casting hub comprises web (1), goes up gusset (11) and lower web plate (12), described on gusset (11) and lower web plate (12) lay respectively at described web (1) the lateral wall upper and lower and with vertical being connected of described web (1); It is characterized in that: around the outside of described web (1), also be provided with and described gusset (11) or the substantially parallel reinforcement gusset (2) of described lower web plate (12) gone up, the position, stage casing (B) of described reinforcement gusset (2) and described web (1), describedly go up gusset (11) or separate unsettledly with the lateral wall of lower web plate (12), and the two ends of described reinforcement gusset (2) are connected with the two side ends (A) of described web (1) respectively.
2. the side mould structure of gravity casting hub according to claim 1, it is characterized in that: described reinforcement gusset (2) has two or more, between adjacent two described reinforcement gussets (2) brace rod (3) is set, described brace rod (3) and vertical connection of described reinforcement gusset (2).
3. the side mould structure of gravity casting hub according to claim 1 and 2, it is characterized in that: two described reinforcement gussets (2) lay respectively at the described outside of going up gusset (11) and described lower web plate (12), and separate unsettled with the described lateral wall of going up gusset (11) or described lower web plate (12).
4. the side mould structure of gravity casting hub according to claim 3, it is characterized in that: the centre position between the described reinforcement gusset in upper and lower (2) also is provided with the 3rd described reinforcement gusset (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200503369U CN201217058Y (en) | 2008-07-08 | 2008-07-08 | Side mould structure of gravity casting hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200503369U CN201217058Y (en) | 2008-07-08 | 2008-07-08 | Side mould structure of gravity casting hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201217058Y true CN201217058Y (en) | 2009-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200503369U Expired - Lifetime CN201217058Y (en) | 2008-07-08 | 2008-07-08 | Side mould structure of gravity casting hub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201217058Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103203433A (en) * | 2013-04-11 | 2013-07-17 | 浙江保康轮毂制造有限公司 | Aluminum alloy hub deep climbing rim structure forming technology |
| CN105583370A (en) * | 2014-10-21 | 2016-05-18 | 沈阳黎明航空发动机(集团)有限责任公司 | Support type casting anti-deformation method |
-
2008
- 2008-07-08 CN CNU2008200503369U patent/CN201217058Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103203433A (en) * | 2013-04-11 | 2013-07-17 | 浙江保康轮毂制造有限公司 | Aluminum alloy hub deep climbing rim structure forming technology |
| CN105583370A (en) * | 2014-10-21 | 2016-05-18 | 沈阳黎明航空发动机(集团)有限责任公司 | Support type casting anti-deformation method |
| CN105583370B (en) * | 2014-10-21 | 2018-10-09 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of brace type casting anti-deformation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090408 Effective date of abandoning: 20080708 |