CN202123204U - Casting structure of automobile steering housing - Google Patents
Casting structure of automobile steering housing Download PDFInfo
- Publication number
- CN202123204U CN202123204U CN2011201902245U CN201120190224U CN202123204U CN 202123204 U CN202123204 U CN 202123204U CN 2011201902245 U CN2011201902245 U CN 2011201902245U CN 201120190224 U CN201120190224 U CN 201120190224U CN 202123204 U CN202123204 U CN 202123204U
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- Prior art keywords
- chill
- lug
- cold iron
- casting structure
- installing
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Abstract
The utility model discloses a casting structure of an automobile steering housing. An installing lug is arranged on the automobile steering housing, a cold iron external mould which corresponds to the position of the installing lug is arranged on the casting structure, and a cavity for installing a cold iron is formed on the cold iron external mould. The cold iron external mould which corresponds to the position of the installing lug is arranged on the casting structure, the cold iron is arranged in the cavity of the cold iron external mould when the casting structure is in use, the installing lug which corresponds to the cold iron external mould is quickly cooled by the cold iron during solidifying, and the other parts of the installing lug and a cast product can be simultaneously solidified, so that a thermal center of the installing lug can be eliminated, and the position of the installing lug can not be loosen. By adopting the casting structure, a feeding head can not be used since the problem that the cast piece is loosen can be solved, the technical product yield of the product can be effectively improved, the production efficiency can be greatly improved, and the production cost of an enterprise can be reduced.
Description
Technical field
The utility model relates to a kind of casting mold structure, particularly a kind of casting mold structure that is used for the casting of motor turning shell.
Background technology
Turning to housing is important part in the truck steering, and higher oil pressure need be born in inside, and foundry goods inside is not allow shrinkage defect to exist, otherwise will cause and turn to malfunctioningly, causes the traffic safety accident, the crisis personal safety.
Some turn to housing according to client's drawing design demand the installation lug to be set at present, and this installation lug will go out many greatly with respect to the casting section thickness size, and the lug position is the final set point in casting solidification process; Very easily produce shrinkage defect,, need lug is carried out effective feeding for solving shrinkage porosite; Normally with feeding head lug is carried out feeding, two methods are arranged, first method is to add a feeding head at each lug place; Make rising head in casting process, advance heating molten steel through running channel; Reach the feeding effect solidifying the later stage, the diameter of rising head is greater than the lug diameter, guarantees that rising head is later than lug and solidifies; Second method is to add an exothermic riser on each lug top, do not advance molten iron through running channel, utilizes the spontaneous heating effect of exothermic riser, guarantees that rising head is later than lug and solidifies, and plays the feeding effect.
Though coming feeding is carried out at the final set position through rising head is method commonly used in our castings production; But to turning to housing; Use riser feeding to exist deficiency to lug, first method need increase the cast passage, and the layout of model is had bigger limitation; Because feeding head is arranged, institute is so that product yield is lower simultaneously; Second method has increased production cost greatly with exothermic riser, and product yield is not high yet, and owing to will before moulding, need earlier exothermic riser to be placed on the template, for automatic assembly line, will reduce production efficiency greatly.
The utility model content
To the deficiency of above-mentioned prior art, the technical problem that the utility model will solve provides a kind of motor turning housing of avoiding the casting mold structure that shrinkage porosite appears in lug is installed.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of casting mold structure of motor turning housing, said automobile housing transition is provided with the installation lug, and said casting mold structure is provided with and the corresponding chill external mold in said installation lug position, forms the cavity that chill is installed on the said chill external mold.
Preferably, said casting mold structure comprises cope match plate and following template, and said cope match plate is relative with said following template, and the chill external mold is positioned on the said template down.
Preferably, the root of said chill external mold is provided with the knockout groove.
Technique scheme has following beneficial effect: this casting mold structure is being provided with the chill external mold with installation corresponding place, lug position; This casting mold structure is placed on chill in the cavity of chill external mold in use; Through using chill to make and the corresponding installation lug of chill external mold chilling in process of setting; The remainder that lug and foundry goods are installed is solidified simultaneously, thereby eliminate the thermal center that lug is installed, avoid installing the lug position and produce shrinkage porosite.Adopt this casting mold structure to need not to use feeding head, can effectively improve the product yield of product, can enhance productivity greatly simultaneously, reduce the production cost of enterprise for the shrinkage porosite that solves foundry goods.
Above-mentioned explanation only is the general introduction of the utility model technical scheme, in order more to know the technological means of understanding the utility model, and can implement according to the content of specification, below with the preferred embodiment of the utility model and conjunction with figs. specify as after.The specific embodiment of the utility model is provided by following examples and accompanying drawing thereof in detail.
Description of drawings
Fig. 1 is the overall structure sketch map of the utility model embodiment.
Fig. 2 is the structural representation of template under the utility model embodiment.
The specific embodiment
Describe in detail below in conjunction with the preferred embodiment of accompanying drawing to the utility model.
As shown in Figure 1; This casting mold structure comprises a cope match plate 1 and template 2 once, and cope match plate 1 is relative with following template 2, forms cavity between cope match plate 1 and the following template 2; Use this casting mold structure to can be used for the casting of motor turning housing, this motor turning housing is provided with the installation lug.
As shown in Figure 2; The following template 2 of this casting mold structure is provided with chill external mold 21; The number of chill external mold 21 and position are corresponding with the number and the position of the installation lug of the motor turning housing that needs casting; The cavity of chill form to be installed on the chill external mold 21, to be provided with a circle knockout groove 22 at the root of chill external mold 21.
This casting mold structure in use; Before mould assembling, at first chill is placed in the cavity of chill external mold 21; The chill size should be carried out strict control; And make the drift that ends of check chill size, and the shape of chill should be corresponding with the shape that lug is installed, and chill external mold 21 places down the use that can make things convenient for chill on the template 2.The broken sand that produces in the following chill process can drop in the knockout groove 22, can avoid broken sand that chill is impacted like this, and chill can be in place.For preventing that the lug surface from producing pore and producing adhesion with chill, need handle with coating on the chill surface.The operation of following chill is carried out in moulding and mould assembling two inter processes, the equipment that do not take normal duration of runs.
This casting mold structure is being provided with the chill external mold with installation corresponding place, lug position; This casting mold structure is placed on chill in the cavity of chill external mold in use; Through using chill to make and the corresponding installation lug of chill external mold chilling in process of setting; The remainder that lug and foundry goods are installed is solidified simultaneously, thereby eliminate the thermal center that lug is installed, avoid installing the lug position and produce shrinkage porosite.Through test, use this casting mold structure car that steams next life to turn to the housing product yield can reach 76%, flaw detection is dissected at foundry goods lug position, find to have shrinkage defect to take place.
Adopt this casting mold structure production motor turning housing to compare with using feeding head, every type can be practiced thrift 40 kilograms of molten iron, and product yield is greatly enhanced; Production efficiency also improves a lot when improving yield rate with using exothermic riser to compare, and can effectively reduce the production cost of enterprise.
More than the casting mold structure of motor turning housing that the utility model embodiment is provided carried out detailed introduction; For one of ordinary skill in the art; Thought according to the utility model embodiment; On the specific embodiment and range of application, all can change to some extent; Therefore this description only is used for should not be construed as the restriction to the utility model in the utility model embodiment is described, and all any changes of being made according to the utility model design philosophy are all within the protection domain of the utility model.
Claims (3)
1. the casting mold structure of a motor turning housing, said automobile housing transition is provided with the installation lug, and it is characterized in that: said casting mold structure is provided with and the corresponding chill external mold in said installation lug position, forms the cavity that chill is installed on the said chill external mold.
2. the casting mold structure of motor turning housing according to claim 1 is characterized in that: said casting mold structure comprises cope match plate and following template, and said cope match plate is relative with said following template, and the chill external mold is positioned on the said template down.
3. the casting mold structure of motor turning housing according to claim 1 is characterized in that: the root of said chill external mold is provided with the knockout groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201902245U CN202123204U (en) | 2011-06-08 | 2011-06-08 | Casting structure of automobile steering housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201902245U CN202123204U (en) | 2011-06-08 | 2011-06-08 | Casting structure of automobile steering housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202123204U true CN202123204U (en) | 2012-01-25 |
Family
ID=45486275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201902245U Expired - Fee Related CN202123204U (en) | 2011-06-08 | 2011-06-08 | Casting structure of automobile steering housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202123204U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109158536A (en) * | 2018-10-29 | 2019-01-08 | 扬州广润机械有限公司 | A kind of casting technique of preventing car magnesium iron steering gear housing casting leakage |
-
2011
- 2011-06-08 CN CN2011201902245U patent/CN202123204U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109158536A (en) * | 2018-10-29 | 2019-01-08 | 扬州广润机械有限公司 | A kind of casting technique of preventing car magnesium iron steering gear housing casting leakage |
| CN109158536B (en) * | 2018-10-29 | 2020-05-05 | 扬州广润机械有限公司 | Casting process for preventing leakage of automobile ductile iron steering gear shell 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120125 Termination date: 20200608 |