CN201482925U - Valve body sand core for sand-casting knife gate valve body - Google Patents
Valve body sand core for sand-casting knife gate valve body Download PDFInfo
- Publication number
- CN201482925U CN201482925U CN2009201918725U CN200920191872U CN201482925U CN 201482925 U CN201482925 U CN 201482925U CN 2009201918725 U CN2009201918725 U CN 2009201918725U CN 200920191872 U CN200920191872 U CN 200920191872U CN 201482925 U CN201482925 U CN 201482925U
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- valve body
- sand
- loam core
- sand core
- casting
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Abstract
The utility model discloses a valve body sand core for sand-casting a knife gate valve body, which comprises a sand core body and a first support part and a second support part positioned at the upper end and the lower end of the sand core body, wherein the front surface and the back surface of the sand core body are also provided with at least a pair of support bosses. As the support bosses are added to the front surface and the back surface of the existing valve body sand core body, the sand core includes four support parts which are respectively at front, back, top and bottom in a cavity so that the sand core obtains better strength in the cavity, better firmness, difficult swinging and more accurate fixation in the cavity, without fallen sand bodies and broken sand cores in the cavity, therefore, the casting yield and quality of the valve body can be effectively enhanced. The valve body sand core is especially applicable to sand-casting the knife gate valve body with large aperture which is more than 400mm.
Description
Technical field
The utility model relates to a kind of valve body loam core that is used for the casting of disconnecting link valve body sand.
Background technology
The valve body loam core of using is gone up in disconnecting link valve body sand casting at present, comprises the loam core body, and body two ends, loam core are provided with the support portion, during the sand casting, the sand mould cavity of being made up of two clack valve body molds is put in the loam core, and two support portions place the position, front and back end of valve body mold respectively.During casting, in the cavity in molten iron perfusion die cavity and loam core, after valve body moulding cooling, pull down two clack valve phantom types, take out the silt particle in the valve body, obtain the valve body finished product.Because the requirement of valve body structure, make the local location thinner thickness in loam core, bearing capacity is relatively poor, again because of the big Heavy Weight of loam core bore, makes the loam core sand body that comes off easily in die cavity, even fracture (casting bottleneck), causes the casting failure.Especially in casting above-mentioned accident of easier appearance during bigbore valve body.
Summary of the invention
Have the defective that the valve body loam core existence of using is gone up in the casting of disconnecting link valve body sand now for overcoming, when the utility model provides a kind of valve body to cast, can prevent the valve body loam core that the loam core sand body comes off, ruptures.
The technical solution adopted in the utility model is: a kind of valve body loam core that is used for the casting of disconnecting link valve body sand, comprise the loam core body and be positioned at loam core body first support portion and second support portion at two ends up and down, also be provided with at least one pair of support rim on the positive and negative of loam core body.
For further increasing the support degree and the degree of balance, the positive and negative of described loam core body is provided with two pairs and symmetrically arranged support rim.
Compared with prior art, the beneficial effect that the utlity model has really is: owing to increase support rim on the positive and negative of existing valve body loam core body, make the loam core in die cavity, have four support portions up and down, front and back, make that loam core intensity in die cavity is better, more firm, be difficult for swing, be fixed in the die cavity more accurately, and loam core in die cavity, can not come off sand body and fracture, thereby can effectively improve the qualified casting and the quality of valve body.The utility model is particularly useful for the sand casting of the above bigbore disconnecting link valve body of 400mm.
The utility model is described in further detail below in conjunction with the drawings and the specific embodiments.
Description of drawings
Fig. 1 is the structural representation of the utility model valve body a kind of embodiment in loam core;
Fig. 2 is the axial cutaway view of Fig. 1;
Fig. 3 is the A-A profile of Fig. 1;
Fig. 4 is the B-B expanded view of Fig. 1.
The specific embodiment
As Fig. 1, Fig. 2, shown in Figure 3, a kind of embodiment that is used for the valve body loam core of disconnecting link valve body sand casting, comprise loam core body 1 and be positioned at loam core body first support portion 2 and second support portion 3 at two ends up and down, the positive and negative of loam core body 1 is provided with two pairs and 4, two pairs of supporting lugs 4 of symmetrically arranged support rim respectively near the left and right sides end positions of loam core body 1.
During the casting of valve body sand, loam core body 1 is put into the sand mould cavity of forming by two clack valve body molds, first support portion 2 of loam core body 1 places valve body mold front end position, second support portion 3 places position, valve body mold rear end, and two pairs of support rims 4 place the left and right sides position of two clack valve body molds near front end position (valve body support portions) respectively.The loam core fixing hole that has support rim to form on the valve body that adopts the loam core of this structure to cast out.
Claims (3)
1. one kind is used for the valve body loam core that disconnecting link valve body sand is cast, comprise loam core body (1) and be positioned at loam core body up and down first support portion (2) and second support portion (3) at two ends, it is characterized in that also being provided with at least one pair of support rim (4) on the positive and negative of described loam core body (1).
2. the valve body loam core that is used for disconnecting link valve body sand casting according to claim 1 is characterized in that the support rim (4) on the positive and negative of described loam core body (1) is symmetrical arranged.
3. the valve body loam core that is used for the casting of disconnecting link valve body sand according to claim 1 and 2 is characterized in that described loam core body (1) positive and negative is provided with two pairs of support rims (4), and two pairs of support rims (4) are the left and right sides end positions of close loam core body (1) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201918725U CN201482925U (en) | 2009-08-20 | 2009-08-20 | Valve body sand core for sand-casting knife gate valve body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201918725U CN201482925U (en) | 2009-08-20 | 2009-08-20 | Valve body sand core for sand-casting knife gate valve body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201482925U true CN201482925U (en) | 2010-05-26 |
Family
ID=42421818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201918725U Expired - Fee Related CN201482925U (en) | 2009-08-20 | 2009-08-20 | Valve body sand core for sand-casting knife gate valve body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201482925U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102248130A (en) * | 2011-06-17 | 2011-11-23 | 河南豫兴铸造有限公司 | Manufacturing process of core assembly for butterfly valve body |
| CN102601312A (en) * | 2012-03-23 | 2012-07-25 | 日月重工股份有限公司 | Fixing structure for cores in casting mould for cases of mining machinery |
| CN102626768A (en) * | 2011-12-30 | 2012-08-08 | 芜湖瑞鹄铸造有限公司 | Die core for casting die turning sleeve |
| CN102773417A (en) * | 2012-07-26 | 2012-11-14 | 无锡蠡湖叶轮制造有限公司 | Reusable memory mud core |
| CN103252457A (en) * | 2013-05-02 | 2013-08-21 | 江苏泰普电力设备有限公司 | 25-tonnage hydraulic multi-way valve casting process |
| CN103372632A (en) * | 2012-04-16 | 2013-10-30 | 南野金属材料(苏州)有限公司 | Manufacture method of integral triple valve body loam core |
| CN114226646A (en) * | 2021-12-01 | 2022-03-25 | 宁波金汇精密铸造有限公司 | Casting device and manufacturing method of hollow casting |
-
2009
- 2009-08-20 CN CN2009201918725U patent/CN201482925U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102248130A (en) * | 2011-06-17 | 2011-11-23 | 河南豫兴铸造有限公司 | Manufacturing process of core assembly for butterfly valve body |
| CN102626768A (en) * | 2011-12-30 | 2012-08-08 | 芜湖瑞鹄铸造有限公司 | Die core for casting die turning sleeve |
| CN102626768B (en) * | 2011-12-30 | 2015-06-24 | 芜湖瑞鹄铸造有限公司 | Die core for casting die turning sleeve |
| CN102601312A (en) * | 2012-03-23 | 2012-07-25 | 日月重工股份有限公司 | Fixing structure for cores in casting mould for cases of mining machinery |
| CN102601312B (en) * | 2012-03-23 | 2014-12-03 | 日月重工股份有限公司 | Fixing structure for cores in casting mould for cases of mining machinery |
| CN103372632A (en) * | 2012-04-16 | 2013-10-30 | 南野金属材料(苏州)有限公司 | Manufacture method of integral triple valve body loam core |
| CN102773417A (en) * | 2012-07-26 | 2012-11-14 | 无锡蠡湖叶轮制造有限公司 | Reusable memory mud core |
| CN103252457A (en) * | 2013-05-02 | 2013-08-21 | 江苏泰普电力设备有限公司 | 25-tonnage hydraulic multi-way valve casting process |
| CN114226646A (en) * | 2021-12-01 | 2022-03-25 | 宁波金汇精密铸造有限公司 | Casting device and manufacturing method of hollow casting |
| CN114226646B (en) * | 2021-12-01 | 2024-03-19 | 宁波金汇精密铸造有限公司 | Casting device and manufacturing method of hollow casting |
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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: WENZHOU CHISUN VALVE MANUFACTURE CO., LTD. Free format text: FORMER OWNER: JIANG RIJING Effective date: 20101217 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 325024 NO. 5, LANE 40, ZHONGYANGHUI ROAD, YONGZHONG SUBDISTRICT, LONGWAN DISTRICT, WENZHOU CITY, ZHEJIANG PROVINCE TO: 325011 NO. A, JINJI ROAD, JIN AO VILLAGE, YAOXI TOWN, LONGWAN DISTRICT, WENZHOU CITY, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20101217 Address after: Yao Xi Zhen Jin Ao Cun Jin Ji Lu Longwan District of Wenzhou City, Zhejiang Province, No. 325011 A Patentee after: WENZHOU CHISUN VALVE MANUFACTURE CO., LTD. Address before: Longwan District of Wenzhou City, Zhejiang Province, 325024 central exchange hit Street 40 Lane Road No. 5 Patentee before: Jiang Rijing |
|
| DD01 | Delivery of document by public notice |
Addressee: WENZHOU CHISUN VALVE MANUFACTURE CO., LTD. Jiang Rijing Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20110820 |