CN102581551A - Method for forming workpieces with deep-hole spiral special-shaped curved surfaces - Google Patents
Method for forming workpieces with deep-hole spiral special-shaped curved surfaces Download PDFInfo
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- CN102581551A CN102581551A CN2011104628798A CN201110462879A CN102581551A CN 102581551 A CN102581551 A CN 102581551A CN 2011104628798 A CN2011104628798 A CN 2011104628798A CN 201110462879 A CN201110462879 A CN 201110462879A CN 102581551 A CN102581551 A CN 102581551A
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Abstract
A method for forming workpieces with deep-hole spiral special-shaped curved surfaces relates to a method for forming deep-hole spiral special-shaped curved surfaces and particularly relates to a method for forming the deep-hole spiral special-shaped curved surfaces for a single-screw pump. The method includes a lamination forming step, a core mould manufacturing step, a lamination assembling step and a workpiece forming step and is simple, high in processing accuracy, low in cost and convenient for forming deep-hole spiral curved surfaces in batch and overcomes the difficulty of forming complicated workpieces with deep-hole spiral special-shaped curved surfaces.
Description
Technical field
The present invention relates to deep hole spiral abnormal curved surface manufacturing process, relate in particular to the deep hole spiral abnormal curved surface manufacturing process in the single-screw (single screw) pump.
Background technology
In machining, often run into the processing of the complicated abnormal curved surface of deep hole, Kong Yueshen, long, directly big than more, difficulty of processing is big more.The particularly processing of deep hole spiral abnormal curved surface, difficulty is bigger, and a lot of situation almost can't be processed.
The lamination manufacturing process that the present invention is used; Make the guide-localization core; Compress lamination and form the blank of deep hole spiral abnormal curved surface workpiece, the method for spiral forming broaching tool broaching deep hole, extrusion deep hole, grinding deep hole, spark machined deep hole, galvano-cautery deep hole processing is prior art.
Summary of the invention
The object of the present invention is to provide a kind of manufacturing process of deep hole spiral abnormal curved surface workpiece, this method is simple, and machining accuracy is high, and cost is low, is convenient to be shaped in batches deep hole spiral abnormal curved surface.
In order to realize the foregoing invention purpose, technical scheme of the present invention is carried out according to the following steps:
1. lamination is shaped: the number of degrees and the rotation direction of confirming deep hole spiral abnormal curved surface workpiece material and deep hole helical angle; Section configuration, structure, size according to deep hole are made the lamination shaping dies; Utilize the shaping dies shaping lamination identical with the deep hole section; The thickness of each lamination is 0.1～6mm, and the thickness of each lamination is preferably 0.3～1mm, and the lamination manufacturing process is any one in punching press, cold extrusion, the casting;
2. make core or outer frock: shape, structure, size and lead angle or pitch according to deep hole are made lamination guide-localization core or outer frock; Along core or outside helix on the frock compress lamination; The lead angle of core or outer frock is 20 °～70 °; Its best lead angle is 27 °～63 °; Gap between lamination and core or the outer frock should be even, and the monolateral gap of lamination and core or outer frock adds 0.05mm to the arbitrary value sum between the 0.1mm greater than lamination thickness divided by the merchant of the tangent gained of lead angle;
3. assembled laminations: with each lamination along lead angle pack into core or outside frock, lean on lamination endoporus core or outer frock guiding and compress lamination, the blank of formation deep hole spiral abnormal curved surface workpiece;
4. Forming Workpiece: adopt any one method in the broaching of spiral forming broaching tool, extruding, grinding, electric spark, the galvano-cautery that the helical deep hole in the deep hole spiral abnormal curved surface workpiece is carried out fine finishining; Its allowance is 0.02～0.1mm.
Requirement to spiral broach is: shape, structure, size, the lead angle of the deep hole in the shape of spiral broach, structure, size, lead angle and the deep hole spiral abnormal curved surface workpiece are identical.
Technique effect of the present invention is; This method is simple, and machining accuracy is high, and cost is low, and the deep hole spiral camber of being convenient to be shaped has solved a complicated special-shape deep-hole spiral abnormal curved surface batch workpiece shaping difficult problem.
Description of drawings
Fig. 1 takes out the profile of the single screw rod of double end of core with the rigidity stator after the assembled laminations,
Fig. 2 is the front view of the rigidity stator among Fig. 1,
Fig. 3 is the front view of fillet equilateral triangle core for endoporus,
Fig. 4 is that core and endoporus are the main cutaway view after the assembling of fillet equilateral triangle lamination,
Fig. 5 is the front view of endoporus for the rigidity stator after the Long Circle lamination assembling,
Fig. 6 is the front view of six rigidity stators after the quincunx lamination assembling for endoporus,
In Fig. 1, Fig. 3, Fig. 4:
1, endoporus is a fillet equilateral triangle lamination, 2, endoporus is fillet equilateral triangle core,
3, endoporus is the Long Circle lamination, 4, endoporus is six quincunx laminations.
The specific embodiment
1. lamination is shaped: the material of rigidity stator is a sheet metal, and the number of degrees of deep hole helical angle are 41.6 °, and rotation direction is the right hand helix angle; The section configuration fillet equilateral triangle of deep hole; The length of side is 90mm, and overall diameter is 120mm, makes the lamination shaping dies according to the length of side of workpiece overall diameter and fillet equilateral triangle; On punch press, utilize shaping dies to strike out lamination, the thickness of each lamination is 0.35mm;
2. making core: according to the deep hole section configuration is that the lead angle of fillet equilateral triangle and deep hole is 41.6 ° and makes the guide-localization cores, and the monolateral gap sum between said spiral lamination and the core is 0.45mm;
3. assembled laminations: each lamination along 41.6 ° of the lead angles guide-localization core of packing into, is leaned on lamination endoporus core guiding and compresses lamination, form the blank of fillet equilateral triangle deep hole spiral abnormal curved surface rigidity stator;
4, Forming Workpiece: adopt fillet equilateral triangle spiral broach broaching deep hole, carry out fine finishining, its allowance is 0.05mm; Fillet equilateral triangle spiral broach mandrel is locked on the lathe middle carriage holder; With form after the assembled laminations stator place on the lathe spindle chuck and clamp, the spiral broach mandrel passes the threaded hole that lamination forms, according to the corresponding stator helical pitch of rigidity stator; Match Lathe Spindle Box change gear and planker; Main shaft drives the rigidity stator rotation after laminating, and the planker holder clamps spiral broach to move the rigidity of broaching out stator die cavity with planker with lathe dog position opposite direction.
All the other technology contents are identical with technical scheme.
1. lamination is shaped: the material of deep hole spiral abnormal curved surface rigidity stator is a silicon steel sheet, 30.52 ° of the number of degrees of deep hole helical angle, and rotation direction is the right hand helix angle; Endoporus is a Long Circle; Stator outside diameters 220mm, this oblong length, width are respectively 189mm, 105mm, and Long Circle is made up of straightway and circular arc; The thickness of each lamination is 0.5mm, and the lamination manufacturing process is punching press;
2, make core: make lamination guide-localization core by the above-mentioned parameter that provides, the monolateral gap sum of said lamination and core is 0.95mm;
3. assembled laminations: each lamination along 30.52 ° of the lead angles guide-localization core of packing into, is leaned on lamination endoporus core guiding and compresses lamination, form the blank of deep hole spiral abnormal curved surface rigidity stator;
4, Forming Workpiece: adopt Long Circle spiral forming broaching tool broaching deep hole, the helical deep hole in the Long Circle deep hole spiral abnormal curved surface rigidity stator is carried out fine finishining; Its allowance is 0.06mm.
Requirement to spiral broach is: shape, structure, size, the lead angle of the deep hole in the shape of spiral broach, structure, size, lead angle and the deep hole spiral abnormal curved surface workpiece are identical.
All the other technology contents are identical with technical scheme.
(1). lamination is shaped: the material of deep hole spiral abnormal curved surface rigidity stator is the plasticized polyurethane flitch; 62.26 ° of the number of degrees of deep hole helical angle; Rotation direction is the right hand helix angle, the section of deep hole be six quincunx, section overall diameter 450mm; Root diameter on the quincunx deep hole section is six wabblers that evenly distributed on the annular section of 381.6mm; The dome arc of each wabbler is connected through concave arc is smooth with arc end between adjacent two wabblers, and the thickness of each lamination is 1.0mm, and the lamination manufacturing process is punching press;
(2), make core: make lamination guide-localization core by the above-mentioned parameter that provides, the monolateral gap of lamination and core is 0.536mm;
(3). assembled laminations: each lamination is upgraded to 62.26 ° of guide-localization cores of packing into along spiral, leans on lamination endoporus core guiding and compress lamination, form the blank of six quincunx deep hole spiral abnormal curved surface rigidity stators.
Claims (4)
1. the manufacturing process of a deep hole spiral abnormal curved surface workpiece is characterized in that this method carries out according to the following steps:
(1). lamination is shaped: the number of degrees and the rotation direction of confirming deep hole spiral abnormal curved surface workpiece material and deep hole helical angle; Section configuration, structure, size according to deep hole are made the lamination shaping dies; Utilize the shaping dies shaping lamination identical with the deep hole section; The thickness of each lamination is 0.1～6mm, and the thickness of each lamination is preferably 0.3～1mm, and the lamination manufacturing process is any one in punching press, cold extrusion, the casting;
(2). make core or outer frock: shape, structure, size and lead angle or pitch according to deep hole are made lamination guide-localization core or outer frock; Along core or outside helix on the frock compress lamination; The lead angle of core or outer frock is 20 °～70 °; Its best lead angle is 27 °～63 °; Gap between lamination and core or the outer frock should be even, and the monolateral gap of lamination and core or outer frock adds 0.05mm to the arbitrary value sum between the 0.1mm greater than lamination thickness divided by the merchant of the tangent gained of lead angle;
(3). assembled laminations: with each lamination along lead angle pack into core or outside frock, lean on lamination endoporus core or outer frock guiding and compress lamination, the blank of formation deep hole spiral abnormal curved surface workpiece;
(4). Forming Workpiece: adopt any one method in the broaching of spiral forming broaching tool, extruding, grinding, electric spark, the galvano-cautery that the helical deep hole in the deep hole spiral abnormal curved surface workpiece is carried out fine finishining; Its allowance is 0.02～0.1mm.
2. the manufacturing process of deep hole spiral abnormal curved surface workpiece according to claim 1 is characterized in that endoporus is that the manufacturing process of the deep hole spiral abnormal curved surface rigidity stator that forms of fillet equilateral triangle lamination assembling back carries out according to the following steps:
(1). lamination is shaped: the material of rigidity stator is a sheet metal, and the number of degrees of deep hole helical angle are 41.6 °, and rotation direction is the right hand helix angle; The section configuration fillet equilateral triangle of deep hole; The length of side is 90mm, and overall diameter is 120mm, makes the lamination shaping dies according to the length of side of workpiece overall diameter and fillet equilateral triangle; On punch press, utilize shaping dies to strike out lamination, the thickness of each lamination is 0.35mm;
(2). make core: according to the deep hole section configuration is that the lead angle of fillet equilateral triangle and deep hole is 41.6 ° of making guide-localization cores, and the monolateral gap sum between said spiral lamination and the core is 0.45mm;
(3). assembled laminations: each lamination along 41.6 ° of the lead angles guide-localization core of packing into, is leaned on lamination endoporus core guiding and compresses lamination, form the blank of fillet equilateral triangle deep hole spiral abnormal curved surface rigidity stator;
(4), Forming Workpiece: adopt fillet equilateral triangle spiral broach broaching deep hole, carry out fine finishining, its allowance is 0.05mm; Fillet equilateral triangle spiral broach mandrel is locked on the lathe middle carriage holder; With form after the assembled laminations stator place on the lathe spindle chuck and clamp, the spiral broach mandrel passes the threaded hole that lamination forms, according to the corresponding stator helical pitch of rigidity stator; Match Lathe Spindle Box change gear and planker; Main shaft drives the rigidity stator rotation after laminating, and the planker holder clamps spiral broach to move the rigidity of broaching out stator die cavity with planker with lathe dog position opposite direction.
3. the manufacturing process of deep hole spiral abnormal curved surface workpiece according to claim 1 is characterized in that endoporus carries out for the manufacturing process of the deep hole spiral abnormal curved surface rigidity stator of Long Circle lamination assembling back formation according to the following steps:
(1). lamination is shaped: the material of deep hole spiral abnormal curved surface rigidity stator is a silicon steel sheet, 30.52 ° of the number of degrees of deep hole helical angle, rotation direction is the right hand helix angle; Endoporus is a Long Circle; Stator outside diameters 220mm, this oblong length, width are respectively 189mm, 105mm, and Long Circle is made up of straightway and circular arc; The thickness of each lamination is 0.5mm, and the lamination manufacturing process is punching press;
(2), make core: make lamination guide-localization core by the above-mentioned parameter that provides, the monolateral gap sum of said lamination and core is 0.95mm;
(3). assembled laminations: each lamination along 30.52 ° of the lead angles guide-localization core of packing into, is leaned on lamination endoporus core guiding and compresses lamination, form the blank of deep hole spiral abnormal curved surface rigidity stator;
(4), Forming Workpiece: adopt Long Circle spiral forming broaching tool broaching deep hole, the helical deep hole in the Long Circle deep hole spiral abnormal curved surface rigidity stator is carried out fine finishining; Its allowance is 0.06mm.
4. the manufacturing process of deep hole spiral abnormal curved surface workpiece according to claim 1 is characterized in that endoporus is that the manufacturing process that six quincunx laminations are assembled the back deep hole spiral abnormal curved surface rigidity stators that form carries out according to the following steps:
(1). lamination is shaped: the material of deep hole spiral abnormal curved surface rigidity stator is the plasticized polyurethane flitch; 62.26 ° of the number of degrees of deep hole helical angle; Rotation direction is the right hand helix angle, the section of deep hole be six quincunx, section overall diameter 450mm; Root diameter on the quincunx deep hole section is six wabblers that evenly distributed on the annular section of 381.6mm; The dome arc of each wabbler is connected through concave arc is smooth with arc end between adjacent two wabblers, and the thickness of each lamination is 1.0mm, and the lamination manufacturing process is punching press;
(2), make core: make lamination guide-localization core by the above-mentioned parameter that provides, the monolateral gap of lamination and core is 0.536mm;
(3). assembled laminations: each lamination is upgraded to 62.26 ° of guide-localization cores of packing into along spiral, leans on lamination endoporus core guiding and compress lamination, form the blank of six quincunx deep hole spiral abnormal curved surface rigidity stators;
(4), Forming Workpiece: adopt six quincunx spiral forming broaching tool broaching deep holes, the helical deep hole in the quincunx deep hole spiral abnormal curved surface rigidity stator is carried out fine finishining; Its allowance is 0.1mm.
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| CN2011104628798A CN102581551A (en) | 2011-12-31 | 2011-12-31 | Method for forming workpieces with deep-hole spiral special-shaped curved surfaces |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103481024A (en) * | 2013-08-26 | 2014-01-01 | 赵冰 | Molding method for steel part |
| CN105562617A (en) * | 2014-11-07 | 2016-05-11 | 中国石油化工股份有限公司 | Split forming method for metal stator of screw pump |
| CN108247772A (en) * | 2018-01-31 | 2018-07-06 | 浙江农林大学 | A kind of processing method of profiled holes perforated plate |
| CN109365930A (en) * | 2018-11-20 | 2019-02-22 | 广东轻工职业技术学院 | A kind of electric discharge machining apparatus and method in spatially spiral hole |
| CN111474899A (en) * | 2020-04-29 | 2020-07-31 | 大连理工大学 | Triangular-based complex cavity high-speed numerical control milling spiral path generation method |
| CN115609247A (en) * | 2022-12-16 | 2023-01-17 | 山西航天清华装备有限责任公司 | Method for processing thickness of wave-shaped thin-wall axial V-shaped groove |
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| CN1635277A (en) * | 2004-12-15 | 2005-07-06 | 大庆油田有限责任公司 | Method for processing rubber isopachous stator of screw pump |
| 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 |
| 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 |
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Patent Citations (4)
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| JPH10202382A (en) * | 1997-01-23 | 1998-08-04 | Tochigi Pref Gov | Manufacture of die by diagonally cut layer structure |
| CN1635277A (en) * | 2004-12-15 | 2005-07-06 | 大庆油田有限责任公司 | Method for processing rubber isopachous stator of screw pump |
| 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 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103481024A (en) * | 2013-08-26 | 2014-01-01 | 赵冰 | Molding method for steel part |
| CN105562617A (en) * | 2014-11-07 | 2016-05-11 | 中国石油化工股份有限公司 | Split forming method for metal stator of screw pump |
| CN108247772A (en) * | 2018-01-31 | 2018-07-06 | 浙江农林大学 | A kind of processing method of profiled holes perforated plate |
| CN109365930A (en) * | 2018-11-20 | 2019-02-22 | 广东轻工职业技术学院 | A kind of electric discharge machining apparatus and method in spatially spiral hole |
| CN109365930B (en) * | 2018-11-20 | 2020-04-17 | 广东轻工职业技术学院 | Electric spark machining device and method for spatial spiral hole |
| CN111474899A (en) * | 2020-04-29 | 2020-07-31 | 大连理工大学 | Triangular-based complex cavity high-speed numerical control milling spiral path generation method |
| CN111474899B (en) * | 2020-04-29 | 2021-02-19 | 大连理工大学 | Triangular-based complex cavity high-speed numerical control milling spiral path generation method |
| CN115609247A (en) * | 2022-12-16 | 2023-01-17 | 山西航天清华装备有限责任公司 | Method for processing thickness of wave-shaped thin-wall axial V-shaped groove |
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Application publication date: 20120718 |