CN200998762Y - Positioning device for core casting aluminum alloy greensand mold - Google Patents
Positioning device for core casting aluminum alloy greensand mold Download PDFInfo
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- CN200998762Y CN200998762Y CNU2006201471366U CN200620147136U CN200998762Y CN 200998762 Y CN200998762 Y CN 200998762Y CN U2006201471366 U CNU2006201471366 U CN U2006201471366U CN 200620147136 U CN200620147136 U CN 200620147136U CN 200998762 Y CN200998762 Y CN 200998762Y
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Abstract
A wrought mold core positioning device for founding the aluminium alloy green sand mold casting is provided, a group of positioning pin bush arranged between a sand mold and a mold core, or among the mold cores and the mold core are connected with the positioning pin, the connection between the positioning pin bush and the positioning pin is a circular conical surface connection matched with quality of fit. During founding the aluminium alloy green sand mold casting, a group of solid positioning pin bush arranged between a sand mold and a mold core, or among the mold cores and the mold core are connected with the mold core accurate positioning device of the pin bush, which overcomes the defect of collapsibility and poor quality of fit in the existing core mark and core print seat, improves the quality of fit between the sand mold and the mold core or among mold cores, and ensures the size precision of the casting. In iron core connection locate mode, the mold core connecting and positioning bin also can take chilling effect to the thermal centre of a axle hole, and also can reduce the contracting and inclining loose of the axle hole position remarkably. The utility model also has simple structure, low cost, convenient operation and easy popularization, which is suitable for the production of founding all kinds of the aluminium alloy green sand mold casting.
Description
Technical field
The utility model relates to a kind of positioner, especially is suitable for requiring in the Birmasil wet sand casting the accurately core positioner of location of core.
Background technology
How the Birmasil wet sand casting carries out core and accurately causes founder author's concern in the location, is because core relative size deviation directly influences the dimensional accuracy of foundry goods.How to reduce core relative size deviation, promptly control sand mold and core, core and core relative size, become the key link that the Birmasil wet sand casting is produced the medium casting quality control.The existing core locate mode of using is directly to make core print seat, core print on greensand mold, core, and rely on core print to position with cooperating of core print seat, its weak point is that core print and core print seat have deformability to make it quality of fit very poor, thereby influences Birmasil wet sand casting casting quality.
Summary of the invention
At above-mentioned situation, the purpose of this utility model provides a kind of core positioner that is used for the Birmasil wet sand casting, accurate location and implementation cost that it can reach sand mold and core or core and core are cheap, production environment and service condition thereof are not had specific (special) requirements, be convenient to popularize, promote.
For achieving the above object, a kind of core positioner that is used for the Birmasil wet sand casting, one group of set pin sleeve of device connects alignment pin with core between its sand mold and core or core and core, and this set pin sleeve and the connection of core connection alignment pin are that the connection of taper seat cooperates and is provided with quality of fit.
Be implementation structure optimization, its further measure is:
The connection mating surface of described set pin sleeve is an internal conical surface; The connection mating surface that core connects alignment pin is an end outer conical surface, or other end internal conical surface.
The connection of described set pin sleeve is that an end connects, and the connection that described core connects alignment pin is that an end connects or two ends connect.
Described set pin sleeve connects alignment pin with core connection positioning form is provided with three kinds, and they are that iron core connects locate mode, a core connects locate mode and multicore connects locate mode.
The utility model is in Birmasil wet sand casting production process, the technical scheme that connects the accurate positioner of core of alignment pin in one group of rigidity set pin sleeve of device between sand mold and core or core and core and core, the core print of existing use and the defective that core print seat has deformability, quality of fit difference have been overcome, improve the positioning accuracy between sand mold and core or core and core, guaranteed Birmasil greensand mold casting dimension accuracy.
The utility model has compared to existing technology: 1) can and make the core positioner by the parts size precision design, be different from the accuracy of manufacture of frocks such as apperance and core box, the frock manufacturing expense descends; 2) overcome the core print of existing use and the defective that core print seat has deformability, quality of fit difference, improved the positioning accuracy between sand mold and core or core and core, the foundry goods accepted product percentage obviously improves; 3) iron core connects in the locate mode, and its core connects alignment pin the axis hole thermal center is had chill effect, can obviously reduce shrinkage cavity of axis hole position and loose tendency; 4) simple in structure, cost of manufacture is lower, and is easy to operate, and production environment and service condition thereof are not had specific (special) requirements, is easy to promote.
Be suitable for the production of all kinds of Birmasil wet sand casting.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Fig. 1 is the main pseudosection that the utility model iron core connects locate mode.
Fig. 2 is the main pseudosection that the utility model one core connects locate mode.
Fig. 3 is the main pseudosection that the utility model multicore connects locate mode.
Among the figure 1, set pin sleeve 2, core connect alignment pin.
The specific embodiment
A kind of core positioner that is used for the Birmasil wet sand casting shown in the drawings is a device set pin sleeve 1 in sand mold, and the device core connects alignment pin 2 in core.The connection that this set pin sleeve 1 and core connect alignment pin 2 is that the connection of taper seat cooperates and is provided with certain quality of fit.
Referring to accompanying drawing, the connection mating surface of set pin sleeve 1 is an internal conical surface; Its connection is that an end connects.The connection mating surface that core connects alignment pin 2 is an end outer conical surface, or other end internal conical surface; Its connection is that an end connects or two ends connect.
Its manufacturing process is: set pin sleeve 1 is placed on the mo(u)ld bottom half apperance positioning boss, makes mo(u)ld bottom half, set pin sleeve 1 is accurate strong fix in sand mold; Equally, core is connected alignment pin 2 be placed in the core box apperance locating hole, make core, core connects the i.e. accurate strong fix in core of alignment pin 2; When playing core core being connected alignment pin 2 aligning set pin sleeves 1 then is lowered to.
Set pin sleeve 1 connects alignment pin 2 with core connection positioning form is provided with three kinds, and they are that iron core connects locate mode, a core connects locate mode and multicore connects locate mode.
It is that set pin sleeve 1 is arranged on mo(u)ld bottom half that first kind of iron core connects locate mode, and core connects alignment pin 2 and directly is lowered to mo(u)ld bottom half as iron core, and this form is applicable to core axis hole location.Core connects 2 pairs of axis hole thermal centers of alignment pin and has chill effect, can obviously reduce shrinkage cavity of axis hole position and loose tendency.
It is that set pin sleeve 1 is arranged on mo(u)ld bottom half that second kind of one core connects locate mode, and core connects alignment pin 2 and is arranged on core, and this form is applicable to the situation of having only one deck core.
It is that set pin sleeve 1 is arranged on mo(u)ld bottom half that the third multicore connects locate mode, and core connection alignment pin 2 is arranged on the ground floor core, core connects alignment pin 2 and is arranged on second layer core, and this connection positioning form is applicable to the situation of multilayer core.
The core positioner of the utility model Birmasil wet sand casting is used for the production of Birmasil wet sand casting, in order to realize recycling, and reduce production costs, the utility model set pin sleeve 1 connects alignment pin 2 with core each part material all adopts steel, iron, aluminium alloy or other common metal material manufacturings.
Operation principle of the present utility model: connect connection and matching relationship between the alignment pin 2 by set pin sleeve 1, core, when following core, core connected alignment pin 2 and aim at set pin sleeves 1 and be lowered to successively and make it to cooperatively interact, thereby realize the accurate location between sand mold and core or core and the core.Core connects alignment pin 2 and is used for the foundry goods axis hole as iron core separately, and core connects 2 pairs of axis hole thermal centers of alignment pin to have chill effect and can obviously reduce shrinkage cavity of axis hole position and loose tendency, improves the internal quality of casting.
Situation of the present utility model is not used in contrast: directly make core print, core print seat on wet type sand mold, core, rely on core print to position with cooperating of core print seat, the deformability of core print and core print seat makes the quality of fit between sand mold and core, core and the core very poor, influence the dimensional accuracy and the shape of Birmasil greensand mold foundry goods, reduce the foundry goods accepted product percentage.
In the Birmasil wet sand casting is produced, use the core positioner of the utility model Birmasil wet sand casting, implementation cost is cheap, and production environment and service condition thereof are not had specific (special) requirements, is convenient to popularize, promote.
Below only be preferred embodiment of the present utility model, according to above-mentioned design of the present utility model, those skilled in the art also can make various modifications and conversion to this.For example, the change and the conversion of set pin sleeve external form, core connection locating pin structure and mating surface form, part material etc.Yet similar this modification and conversion all belong to essence of the present utility model.
Claims (4)
1, a kind of core positioner that is used for the Birmasil wet sand casting, it is characterized in that one group of set pin sleeve of device (1) connects alignment pin (2) between sand mold and core or core and core with core, this set pin sleeve (1) and the connection of core connection alignment pin (2) are that the connection of taper seat cooperates and is provided with quality of fit.
2, the core positioner that is used for the Birmasil wet sand casting according to claim 1, the connection mating surface that it is characterized in that described set pin sleeve (1) is an internal conical surface; The connection mating surface that core connects alignment pin (2) is an end outer conical surface, or other end internal conical surface.
3, the core positioner that is used for the Birmasil wet sand casting according to claim 1, the connection that it is characterized in that described set pin sleeve (1) are that an end connects, and the connection that described core connects alignment pin (2) is that an end connects or two ends connect.
4, the core positioner that is used for the Birmasil wet sand casting according to claim 1, it is characterized in that described set pin sleeve (1) connects alignment pin (2) with core connection positioning form is provided with three kinds, they are that iron core connects locate mode, a core connects locate mode and multicore connects locate mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201471366U CN200998762Y (en) | 2006-12-31 | 2006-12-31 | Positioning device for core casting aluminum alloy greensand mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201471366U CN200998762Y (en) | 2006-12-31 | 2006-12-31 | Positioning device for core casting aluminum alloy greensand mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200998762Y true CN200998762Y (en) | 2008-01-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201471366U Expired - Fee Related CN200998762Y (en) | 2006-12-31 | 2006-12-31 | Positioning device for core casting aluminum alloy greensand mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200998762Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101559477A (en) * | 2009-05-15 | 2009-10-21 | 中国第一汽车集团公司 | Method for positioning large core |
| CN112756558A (en) * | 2020-12-18 | 2021-05-07 | 共赢装备制造有限公司 | Novel resin sand core positioning method |
-
2006
- 2006-12-31 CN CNU2006201471366U patent/CN200998762Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101559477A (en) * | 2009-05-15 | 2009-10-21 | 中国第一汽车集团公司 | Method for positioning large core |
| CN112756558A (en) * | 2020-12-18 | 2021-05-07 | 共赢装备制造有限公司 | Novel resin sand core positioning method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGLU ELECTROMECHANICAL TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: HUNAN JIANGLU MACHINERY GROUP CO., LTD. Effective date: 20080912 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080912 Address after: Office of Electromechanical Technology Co., Ltd. Jiang Lu, Jiefang Lake Road, Yuhu Road, Yuhu District, Hunan, Xiangtan 411100, China Patentee after: Jianglu Electromechanical Science & Technology Co., Ltd. Address before: Hunan Province, Xiangtan province Jiefang North Road, Hunan Jiang Lu Machinery Group Co., Ltd. office, zip code: 411100 Patentee before: Hunan Jianglu Machinery Group Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080102 Termination date: 20121231 |