CN201264071Y - Combination model structure of loose flange pipe fitting - Google Patents
Combination model structure of loose flange pipe fitting Download PDFInfo
- Publication number
- CN201264071Y CN201264071Y CNU2008201849260U CN200820184926U CN201264071Y CN 201264071 Y CN201264071 Y CN 201264071Y CN U2008201849260 U CNU2008201849260 U CN U2008201849260U CN 200820184926 U CN200820184926 U CN 200820184926U CN 201264071 Y CN201264071 Y CN 201264071Y
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- pipe fitting
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Abstract
The utility model discloses a combined model structure of a movable flanged fitting, which comprises a flange pipe bore forming a flanged pipe fitting inner cavity, an external model mould forming a pipe fitting external mould, a flange core box forming a movable flange, a pipe fitting structure die cavity, model sand and a model external box. After the corresponding external model mould, the corresponding pipe bore, and the corresponding flange core box are manufactured by using the corresponding pipe fitting external mould, corresponding flanged pipe fitting core box, and corresponding flange sand core mould, the pipe fitting external model mould is formed in the model sand of the sand box, the flange core box is positioned in an external model mould box of the flange core box which is tightly matched with an external mould of the flange core box, and the inner diameter of the box is flatly overlapped with the pipe external mould; an external mould core head supports the end head of the pipe sand core which is sleeved in the inner diameter hole of the flange core box. The combined model structure of the movable flanged fitting with the structure can cast a flange and a pipe by one time, simplifies the procedure of externally casting the flange, improves the quality of the flange casting, and saves the production and manufacture cost.
Description
Technical field
The utility model relates to a kind of casting built-up pattern structure, especially relates to a kind of casting built-up pattern structure of flat mouthful of class loose flange pipe fitting.
Background technology
In the pipeline fluid engineering, usually utilize bolt and flange that pipe fitting is carried out Butt sealing, the casting pattern of flat at present mouthful of class loose flange pipe fitting is: have the outer model sand mold of a width of cloth pipe fitting, flange pipe core, a monolithic flange core box that forms the flange tube intracavity.The outer model sand mold of pipeline, the exterior contour of formation pipe fitting; The pipeline core, the structure core of formation pipe fitting die cavity; The flange core box is used to form one chip half flange, and wherein one chip half flange is made separately outside pipe fitting combination sand mold.Flat mouthful of pipe fitting by the preparation of this model do not contain any flange components, and required flange still needs type to cast out outward, and carries out form such as follow-up machine drilling, installs with the connection butt joint and forms the pipe fitting product that has loose flange.
Flat mouthful of class flanged fitting with this model production, because of pipe fitting and supporting flange employing branch mold casting, so still need follow-up boring and need manually assemble connection, this processing method had not only reduced production efficiency, but also had increased production cost, simultaneously because of after the two-piece type flange butt joint installation, its intensity, precision all have decline, have influenced the installation sealing property of flat mouthful of flange.
The utility model content
Technical problem to be solved in the utility model is the built-up pattern structure that a kind of loose flange pipe fitting is provided at problems of the prior art, its objective is flange and pipe fitting are realized that once-cast is shaped.
The technical solution of the utility model provides a kind of built-up pattern structure of loose flange pipe fitting, this built-up pattern structure comprises a flange pipe core that forms the flange tube intracavity, the one secondary outer model sand mold that forms the pipe fitting external form, the one secondary flange core box that forms loose flange, the fitting structure die cavity, model molding sand and model outer container, with corresponding pipe fitting external mold, the pipe fitting core box, the flange core mold, make corresponding external mold pattern, the pipeline core, behind the flange core box, in the sandbox molding sand, form model sand mold outside the pipe fitting, the flange core box is positioned at flange core box external mold model box, flange core box and flange core box external mold closely cooperate, and box internal diameter and pipeline external mold are smooth overlapping; External mold supports the termination of pipeline core, and the pipeline core is set in the flange core box inner diameter hole.
Described outer model sand mold is used to form the construction profile of pipe fitting, and this outer model sand mold comprises flat mouthful of external mold die cavity, external mold core print, the spacing catch of external mold, flange core box external mold, and it is finished by the moulding on molding sand of identical external mold mould.
The pipe end of described outer model sand mold is provided with 1～4 flat mouthful of external mold die cavity, 1～4 spacing catch of external mold and 1～4 flange core box external mold.
The flange core box in described flange bolt hole is used to form the structure die cavity of pipe fitting flange, and it is combined by flange bolt projection core and flange shrinkage pool core two halves core, and its core chamber is flanged bolt hole moulding flange structural type.
Built-up pattern structure with a kind of loose flange pipe fitting of above-mentioned special construction has the following advantages:
1, the pipe fitting product of built-up pattern cast thus, each parts is convenient to division of labor preparation and cooperative groups type, the direct castable of required flange, having exempted the continuous processing of back road flange operation and two snaps in, simplified the outer cast flange operation of type, improved the flange casting quality, saved manufacturing cost.
2, flange adopts once-cast to be shaped, and its bulk strength, toughness far above two-piece type abutted flange structure, have strengthened the bonding strength and the sealing property of abutted flange effectively.
3, compare with existing model structure, this built-up pattern structure has characteristics such as the group type is simple efficiently, production is energy-saving and cost-reducing, pipe fitting is superior.
Description of drawings
Be that the utility model is described in further detail in conjunction with the accompanying drawings for example with full flanged tee pipe fitting below:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model flange external mold.
Fig. 3 is the structural representation of the utility model sand core structure.
Fig. 4 is the combining structure schematic diagram of the utility model flange core pattern box.
Fig. 5 is the utility model finished product structural representation.
In Fig. 1～5,1: the flange pipe core; 2: outer model sand mold; 3. flange core box; 4: the fitting structure die cavity; 5: the model molding sand; 6: the model outer container; 7: flange core box external mold; 8: the external mold core print; 9: flat mouthful of external mold die cavity; 10: the spacing catch of external mold; 11: flange core box external mold; 12: flange bolt projection core; 13: flange shrinkage pool core; 14: the core chamber.
The specific embodiment
With flat mouthful of loose flange threeway is example, by Fig. 1～Fig. 5 combination as can be known, the built-up pattern structure of this a kind of loose flange pipe fitting comprises a flange pipe core 1 that forms the flange tube intracavity, the one secondary outer model sand mold 2 that forms the pipe fitting external form, the one secondary flange core box 3 that forms loose flange, fitting structure die cavity 4, model molding sand 5 and model outer container 6, with corresponding pipe fitting external mold, the pipe fitting core box, the flange core mold, make corresponding external mold pattern, the pipeline core, behind the flange core box, in the sandbox molding sand, form model sand mold 2 outside the pipe fitting, flange core box 3 is positioned at flange core box external mold 7 model boxes, flange core box 3 closely cooperates with flange core box external mold 7, and box internal diameter and pipeline external mold are smooth overlapping; External mold core print 8 supports the termination of pipeline core 1, and "T"-shaped flange pipe core 1 is set in flange core box 3 inner diameter holes, is used to form the flange pipe core of flanged fitting inner chamber, and its selection is clay-bonded sand or furane resins molding sand.
Outer model sand mold 2 is used to form the construction profile of flat mouthful of class pipe fitting, it is by the external mold mould with pipe fitting external form, form at sandbox molding sand top die, this outer model sand mold contains three flat mouthful of external molds 9, three external mold core prints 8, three the spacing catch 10 of external mold and three flange core box external molds 11; External mold core print 8 is used to support the core termination of pipeline core 1; Flat mouthful external mold 9, mouth is put down in the sealing butt joint that is used to form pipe fitting; The spacing catch 10 of external mold is used to form the axial limiting catch of loose flange; Flange core box external mold 11 is used to deposit loose flange core box 3, cooperates for no gap between flange core box 3 and the flange core box external mold 11 simultaneously.
The flange core box 3 in flange bolt hole adopts and covers sand, and the flange arrangement core chamber 14 that is combined by flange bolt projection core 12, flange shrinkage pool core 13 and flange bolt projection core 12 and flange shrinkage pool core 13 two halves cores constitutes; Wherein the projection in the middle of the shrinkage pool core 13 is used to form the flange bolt hole shape, and after flange core box 3 was put into flange core box external mold 11, its internal diameter and pipeline external mold were smooth overlapping; Core chamber 14 is flanged bolt hole moulding flange structural type.
Contained fitting structure die cavity 4 is combined by flange pipe core 1, outer model sand mold 2 and flange core box 3, after iron liquid pours into, promptly forms the flat shape of the mouth as one speaks structure of band loose flange pipe fitting.
Model molding sand 5 is common clay sand or furane resins molding sand, is used to form pipe fitting model and iron liquid casting.
Model outer container 6 is wooden or the irony structure.
By the structure sand mold that upper-part combines, behind the cast iron liquid, can obtain flat mouthful of class pipe fitting product of qualified band loose flange.
Compound mode in the flange arrangement core box employing type in the utility model is shaped flat mouthful of place's flange once-cast, has simplified the outer cast flange operation of type, has improved the flange casting quality, has saved manufacturing cost; By the flange core flask of special use, a shaping of flat mouthful of place's flange is cast out, strengthened the bonding strength and the sealing property of abutted flange effectively; Adopt the built-up pattern structure, each parts is convenient to division of labor preparation and cooperative groups type, and this helps having improved production efficiency, reduces production costs.
Claims (9)
1. the built-up pattern structure of a loose flange pipe fitting, it is characterized in that: this built-up pattern structure comprises a flange pipe core (1) that forms the flange tube intracavity, the one secondary outer model sand mold (2) that forms the pipe fitting external form, the one secondary flange core box (3) that forms loose flange, fitting structure die cavity (4), model molding sand (5) and model outer container (6), with corresponding pipe fitting external mold, the pipe fitting core box, the flange core mold, make corresponding external mold pattern, the pipeline core, behind the flange core box, in the sandbox molding sand, form model sand mold (2) outside the pipe fitting, flange core box (3) is positioned at flange core box external mold (7) model box, flange core box (3) closely cooperates with flange core box external mold (7), and box internal diameter and pipeline external mold are smooth overlapping; External mold core print (8) supports the termination of pipeline core (1), and pipeline core (1) is set in flange core box (3) inner diameter hole.
2. the built-up pattern structure of a kind of loose flange pipe fitting according to claim 1, it is characterized in that: described outer model sand mold (2) is used to form the construction profile of pipe fitting, should comprise flat mouthful external mold die cavity (9), external mold core print (8), the spacing catch of external mold (10), flange core box external mold (11) by outer model sand mold, it is finished by the moulding on molding sand of identical external mold mould.
3. the built-up pattern structure of a kind of loose flange pipe fitting according to claim 1 and 2 is characterized in that: the pipe end of described outer model sand mold (2) is provided with 1～4 flat mouthful external mold die cavity (9), 1～4 spacing catch of external mold (10) and 1～4 flange core box external mold (11).
4. the built-up pattern structure of a kind of loose flange pipe fitting according to claim 1 and 2, it is characterized in that: the flange core box (3) in described flange bolt hole is used to form the structure die cavity of pipe fitting flange, it is combined by flange bolt projection core (12) and flange shrinkage pool core (13) two halves core, and its core chamber (14) is flanged bolt hole moulding flange structural type.
5. the built-up pattern structure of a kind of loose flange pipe fitting according to claim 3, it is characterized in that: the flange core box (3) in described flange bolt hole is used to form the structure die cavity of pipe fitting flange, it is combined by flange bolt projection core (12) and flange shrinkage pool core (13) two halves core, and its core chamber (14) is flanged bolt hole moulding flange structural type.
6. the built-up pattern structure of a kind of loose flange pipe fitting according to claim 3 is characterized in that: described outer model sand mold (2) adopts furan resin-sand or clay-bonded sand.
7. the built-up pattern structure of a kind of loose flange pipe fitting according to claim 4 is characterized in that: described flange core box (3) adopts and covers sand.
8. the built-up pattern structure of a kind of loose flange pipe fitting according to claim 4 is characterized in that: described model molding sand (5) is common clay sand or furane resins molding sand, is used to form pipe fitting model and iron liquid casting.
9. the built-up pattern structure of a kind of loose flange pipe fitting according to claim 4 is characterized in that: described model outer container (6) is wooden or irony structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201849260U CN201264071Y (en) | 2008-08-22 | 2008-08-22 | Combination model structure of loose flange pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201849260U CN201264071Y (en) | 2008-08-22 | 2008-08-22 | Combination model structure of loose flange pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201264071Y true CN201264071Y (en) | 2009-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201849260U Expired - Fee Related CN201264071Y (en) | 2008-08-22 | 2008-08-22 | Combination model structure of loose flange pipe fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201264071Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101648255B (en) * | 2009-09-14 | 2011-09-28 | 芜湖市金贸流体科技股份有限公司 | Novel device and method for processing valve core nut |
| CN102310161A (en) * | 2011-05-19 | 2012-01-11 | 大连金河铸造有限公司 | Combined model used for casting |
| CN103658550A (en) * | 2013-12-09 | 2014-03-26 | 北京航星机器制造有限公司 | Manufacturing method for casting mold of small and medium-sized shell castings |
-
2008
- 2008-08-22 CN CNU2008201849260U patent/CN201264071Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101648255B (en) * | 2009-09-14 | 2011-09-28 | 芜湖市金贸流体科技股份有限公司 | Novel device and method for processing valve core nut |
| CN102310161A (en) * | 2011-05-19 | 2012-01-11 | 大连金河铸造有限公司 | Combined model used for casting |
| CN103658550A (en) * | 2013-12-09 | 2014-03-26 | 北京航星机器制造有限公司 | Manufacturing method for casting mold of small and medium-sized shell castings |
| CN103658550B (en) * | 2013-12-09 | 2016-08-17 | 北京航星机器制造有限公司 | The manufacture method of the casting mold of middle-size and small-size housing class foundry goods |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090701 Termination date: 20120822 |