CN105562617A - Split forming method for metal stator of screw pump - Google Patents
Split forming method for metal stator of screw pump Download PDFInfo
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- CN105562617A CN105562617A CN201410641648.7A CN201410641648A CN105562617A CN 105562617 A CN105562617 A CN 105562617A CN 201410641648 A CN201410641648 A CN 201410641648A CN 105562617 A CN105562617 A CN 105562617A
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- screw pump
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Abstract
The invention discloses a split forming method for a metal stator of a screw pump. The method comprises the following steps: dividing into at least two stator flaps with the same structure according to the number of linear heads of the metal stator, wherein the number of the linear heads of the stator is the same as that of the stator flaps; designing and manufacturing a core mold and a modeling mold according to the shape and the structure of one of the stator flaps, wherein the appearance of the core model is the same as the shape of the inner wall of an inner cavity of the stator; manufacturing a plurality of stator flaps according to the molds; after the metal flaps are buckled and assembled, forming a whole metal stator. The split forming method for the metal stator of the screw pump, disclosed by the invention, has the benefits that through the adoption of stator split processing and forming, the shapes of the stator flaps are the same, so that while the stator precision is ensured, the processing and the forming are convenient; the stator flaps adopt positioning groove structures, so that the assembly of the stator is convenient.
Description
Technical field
The present invention relates to all-metal screw pump, specifically a kind of metal stator of screw pump distinguish forming method.
Background technology
In recent years, screw pump discharge opeing lifting and supporting technology more and more perfect, application quantity in ground discharge opeing and heavy oil cold flow production well gets more and more, but General Purpose Rubber screw pump has fatal shortcoming under high temperature environment, cannot work in high temperature environments, all-metal screw pump is efficient lifting discharge opeing under realizing hot environment after successfully developing, and also meets the demand of oil thermal recovery well exploitation simultaneously.
At present, domestic main employing machining and electrolytic formation two kinds of method trial-production processing all-metal screw pumps.The machining process-cycle is long, and processing mold is complicated, and in order to reach the required precision of all-metal screw pump matched in clearance, often the later stage also needs to carry out fine grinding process, and processing cost is high.Electrolytic formation method, adopts and can greatly cut down finished cost and the cycle in this way, but by electrolysis material, electrolytic environments temperature, the impact of the factor such as voltage, electric current during electrolysis, needs to carry out a large amount of experiments the early stage of processing and gropes, could form the technical parameter of complete set, early investment is large.
Summary of the invention
The object of the present invention is to provide a kind of metal stator of screw pump distinguish forming method, adopt the machine-shaping of stator distinguish, stator lobe shape is the same, while ensureing stator precision, is convenient to machine-shaping; Stator lobe adopts locating slot structure, is convenient to the assembling of stator
In order to reach above-mentioned purpose, present invention employs following technical scheme, a kind of metal stator of screw pump distinguish forming method, its step comprises:
Be divided into the identical stator lobe of at least two structures according to the line style head number of metal stator, wherein the line style head number of stator is consistent with the quantity of stator lobe;
According to the shape and structure of one of them stator lobe, manufacture and design core and moulding mould, the profile of its core mould is identical with the inner chamber inner wall shape of stator, manufactures multiple stator lobe successively by above-mentioned mould;
Whole-metal stator is formed after multiple stator lobe is fastened assembling.
During by die casting stator lobe, be embodied in, be grouped together core, moulding mould formation die cavity, then metal medium is injected die cavity, after shaping, core, moulding mould sloughed, obtain stator lobe.
Described stator lobe is respectively arranged with locating slot and positioning table at the two ends at the place of being fastened and connected, and stator lobe is between any two linked into an integrated entity by the consistent locating slot of structure and positioning table the split-type stator of formula.
Described moulding mould is designed with the boss for forming stator lobe locating slot, and is designed with the groove for forming stator lobe positioning table.
The described stator lobe place of being fastened and connected is provided with seal.
Compared to prior art, the present invention has following beneficial effect:
1. adopt the machine-shaping of stator distinguish, stator lobe shape is the same, while ensureing stator precision, is convenient to machine-shaping;
2. stator lobe adopts locating slot structure, is convenient to the assembling of stator;
3. one set of die processes multiple stator lobe, reduces processing cost, shortens the process-cycle;
In this kind of metal stator of screw pump distinguish forming method, metal stator is divided into the consistent stator lobe of multiple profile vertically according to line style head number.Because stator lobe shape is consistent, be stator lobe by the machine-shaping of metal dust one set of die.Stator lobe is designed with locating slot, utilizes locating slot assembled formation stator.
Accompanying drawing explanation
Fig. 1 is the structural profile schematic diagram of a kind of screw pump metal split-type stator of the present invention;
What Fig. 2 .1, Fig. 2 .2, Fig. 2 .3, Fig. 2 .4 were respectively stator lobe is front view, side view, upward view, equal axes axonometric drawing;
Fig. 3 .1, Fig. 3 .2, Fig. 3 .3 are respectively front view, side view, the equal axes axonometric drawing of core;
Fig. 4 .1, Fig. 4 .2 are respectively front view and the equal axes axonometric drawing of moulding mould.
In figure: 1.1,1.2,1.3 is the consistent stator lobe of shape size; 2.1.1 for stator lobe positioning boss, 2.1.2 are stator lobe detent.
Detailed description of the invention
Detailed description for the present invention and technology contents, coordinate accompanying drawing to be described as follows, but accompanying drawing only provides with reference to the use with explanation, is not used for being limited the present invention.
A kind of metal stator of screw pump distinguish forming method, its step comprises: be divided into the identical stator lobe of at least two structures according to the line style head number of metal stator, and wherein the line style head number of stator is consistent with the quantity of stator lobe; According to the shape and structure of one of them stator lobe, manufacture and design core and moulding mould, the profile of its core mould is identical with the inner chamber inner wall shape of stator, manufactures multiple stator lobe successively by above-mentioned mould; Whole-metal stator is formed after multiple stator lobe is fastened assembling.During by die casting stator lobe, be embodied in, be grouped together core, moulding mould formation die cavity, then metal medium is injected die cavity, after shaping, core, moulding mould sloughed, obtain stator lobe.Described stator lobe is respectively arranged with locating slot and positioning table at the two ends at the place of being fastened and connected, and stator lobe is between any two linked into an integrated entity by the consistent locating slot of structure and positioning table the split-type stator of formula.Described moulding mould is designed with the boss for forming stator lobe locating slot, and is designed with the groove for forming stator lobe positioning table.The described stator lobe place of being fastened and connected is provided with seal.
By design, metal target stator is divided into the consistent stator lobe of multiple profile vertically according to line style head number, for three, as the stator lobe of Fig. 2 .1-2.4.According to the shape and structure of target stator lobe, manufacture and design core, moulding mould as shown in Fig. 3 .1-4.2.Core, moulding mould are grouped together, then metal dust is injected die cavity, after shaping, core, moulding mould are sloughed, obtain stator lobe.
As Fig. 1,1.1,1.2,1.3 3 stator lobes are fastened mutually by detent and positioning boss, then use laser welding technology, stator lobe is welded, final molding metal stator.
The foregoing is only preferred embodiment of the present invention, be not used to limit the scope of the claims of the present invention, other use the equivalence of patent spirit of the present invention to change, and all should all belong to the scope of the claims of the present invention.
Claims (5)
1. a metal stator of screw pump distinguish forming method, its step comprises:
Be divided into the identical stator lobe of at least two structures according to the line style head number of metal stator, wherein the line style head number of stator is consistent with the quantity of stator lobe;
According to the shape and structure of one of them stator lobe, manufacture and design core and moulding mould, the profile of its core mould is identical with the inner chamber inner wall shape of stator, manufactures multiple stator lobe successively by above-mentioned mould;
Whole-metal stator is formed after multiple stator lobe is fastened assembling.
2. a kind of metal stator of screw pump distinguish forming method according to claim 1, it is characterized in that, during by die casting stator lobe, be embodied in, be grouped together core, moulding mould formation die cavity, then metal medium is injected die cavity, after shaping, core, moulding mould are sloughed, obtains stator lobe.
3. a kind of metal stator of screw pump distinguish forming method according to claim 1, it is characterized in that, described stator lobe is respectively arranged with locating slot and positioning table at the two ends at the place of being fastened and connected, and stator lobe is between any two linked into an integrated entity by the consistent locating slot of structure and positioning table the split-type stator of formula.
4. a kind of metal stator of screw pump distinguish forming method according to claim 3, is characterized in that, described moulding mould is designed with the boss for forming stator lobe locating slot, and is designed with the groove for forming stator lobe positioning table.
5. a kind of metal stator of screw pump distinguish forming method according to claim 1, is characterized in that, the described stator lobe place of being fastened and connected is provided with seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410641648.7A CN105562617A (en) | 2014-11-07 | 2014-11-07 | Split forming method for metal stator of screw pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410641648.7A CN105562617A (en) | 2014-11-07 | 2014-11-07 | Split forming method for metal stator of screw pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105562617A true CN105562617A (en) | 2016-05-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410641648.7A Pending CN105562617A (en) | 2014-11-07 | 2014-11-07 | Split forming method for metal stator of screw pump |
Country Status (1)
| Country | Link |
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| CN (1) | CN105562617A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106298374A (en) * | 2016-08-31 | 2017-01-04 | 河南森源电气股份有限公司 | Pole casting mold and outlet terminal combination die thereof |
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|---|---|---|---|---|
| JP2004351446A (en) * | 2003-05-28 | 2004-12-16 | Hitachi Industrial Equipment Systems Co Ltd | Method for casting multiple screw-shaped parts |
| CN101892982A (en) * | 2010-06-28 | 2010-11-24 | 中国石油大学(北京) | Single-screw metal screw pump stator and processing method for inner helical surface thereof |
| CN201763617U (en) * | 2010-08-04 | 2011-03-16 | 李斌 | All-metal multiple-threaded spiral screw pump |
| CN102062089A (en) * | 2010-12-24 | 2011-05-18 | 新疆华易石油工程技术有限公司 | Method for machining full metal screw pump stator |
| CN102501016A (en) * | 2011-11-04 | 2012-06-20 | 中国海洋石油总公司 | Method for machining all-metal screw pump stator |
| CN102581551A (en) * | 2011-12-31 | 2012-07-18 | 重庆明珠机电有限公司 | Method for forming workpieces with deep-hole spiral special-shaped curved surfaces |
| CN102797416A (en) * | 2012-07-08 | 2012-11-28 | 潍坊华铃柴油机动力有限公司 | Stator for screw drills and machining process of stator |
-
2014
- 2014-11-07 CN CN201410641648.7A patent/CN105562617A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004351446A (en) * | 2003-05-28 | 2004-12-16 | Hitachi Industrial Equipment Systems Co Ltd | Method for casting multiple screw-shaped parts |
| CN101892982A (en) * | 2010-06-28 | 2010-11-24 | 中国石油大学(北京) | Single-screw metal screw pump stator and processing method for inner helical surface thereof |
| CN201763617U (en) * | 2010-08-04 | 2011-03-16 | 李斌 | All-metal multiple-threaded spiral screw pump |
| CN102062089A (en) * | 2010-12-24 | 2011-05-18 | 新疆华易石油工程技术有限公司 | Method for machining full metal screw pump stator |
| CN102501016A (en) * | 2011-11-04 | 2012-06-20 | 中国海洋石油总公司 | Method for machining all-metal screw pump stator |
| CN102581551A (en) * | 2011-12-31 | 2012-07-18 | 重庆明珠机电有限公司 | Method for forming workpieces with deep-hole spiral special-shaped curved surfaces |
| CN102797416A (en) * | 2012-07-08 | 2012-11-28 | 潍坊华铃柴油机动力有限公司 | Stator for screw drills and machining process of stator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106298374A (en) * | 2016-08-31 | 2017-01-04 | 河南森源电气股份有限公司 | Pole casting mold and outlet terminal combination die thereof |
| CN106298374B (en) * | 2016-08-31 | 2018-10-30 | 河南森源电气股份有限公司 | Pole casting mold and its outlet terminal combination die |
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Application publication date: 20160511 |