CN105729074B - A kind of application method of full metal screw pump stator auxiliary machining device - Google Patents
A kind of application method of full metal screw pump stator auxiliary machining device Download PDFInfo
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- CN105729074B CN105729074B CN201610314902.1A CN201610314902A CN105729074B CN 105729074 B CN105729074 B CN 105729074B CN 201610314902 A CN201610314902 A CN 201610314902A CN 105729074 B CN105729074 B CN 105729074B
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- stator
- pipe nipple
- stator pipe
- section
- alignment pin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Rotary Pumps (AREA)
Abstract
The present invention relates to a kind of application method of full metal screw pump stator auxiliary machining device.Its technical scheme is：A. the integral multiple length of stator lead of screw is taken, bores positioning hole；B. the end stator pipe nipple with tubing thread that pick-up makes, this section of stator pipe nipple is fixed；C. after taking stator pipe nipple of the interlude without tubing thread to load alignment pin, alignment pin and positioning hole are aligned；D. power transmission cylinder is withstood between the piston rod of stator pipe nipple and hydraulic cylinder；E. unlocked stator pipe nipple end face is extruded with hydraulic cylinder, alignment pin is pressed into positioning hole；F. check that two sections of stator pipe nipple connections are fixed after correct；G. repeat step c to f；Beneficial effect is：Cutter distortion is reduced, ensure that machining accuracy, reduces difficulty of processing, and each section of stator is connected with alignment pin interference fits, it ensure that the Dock With Precision Position of inner helical surface, each section of stator pipe nipple of laser welding, welding deformation is small, stator precision is high, greatly reduces difficulty of processing, has saved processing cost.
Description
Technical field
The present invention relates to a kind of application method of all-metal screw pump producing device, more particularly to a kind of all-metal screw pump
Stator auxiliary machining device.
Background technology
All-metal screw pump has high temperature resistant, corrosion-resistant, wear-resistant, inspection pump week as a kind of brand-new heavy crude heat extraction pump
The advantages that phase is long.Its stator is with rotor with small―gap suture fitted seal crude oil, and therefore, the required precision to its stator and rotor is very
It is high.And stator and rotor are all the bigger elongate rod structures of major diameter, cutter or workpiece deformation are serious during processing, and precision is difficult to protect
Card.For especially all-metal screw pump without rubber seal, the required precision to stator and rotor is much higher than common screw pump.
Chinese patent literature Publication No. 102062089A, patent name are《A kind of processing of full metal screw pump stator
Method》, used processing method is:The metal bar material spark cutting of metal screw pump stator will radially be made
Method cut into the bar that two sections are semicircle, with Milling Process on the two panels bar radial direction total length section cut open
Method processes the groove molded line of screw pump rotor operation, and the two panels bar make-up for processing groove molded line then is passed through into fixation
Pin connection together, penetrates in a fixed outer cylinder, forms complete metal screw pump stator.It can substantially reduce processing and set
Standby investment, and difficulty of processing is greatly lowered.But be elongate rod structure again without solution determinant, cutter or work during processing
The problem of part deformation is serious, and precision is difficult to ensure that.
Chinese patent literature Publication No. 102501016A, patent name are《A kind of processing of full metal screw pump stator
Method》, it comprises the following steps：One) processing of stator blank is completed, formed with for forming bore of stator on stator blank
Centre bore；Two) electrolysis molded stator inner chamber is used；Three) polishing is done to bore of stator；Four) surface is done to bore of stator
Cure process；The present invention uses Electrolyzed Processing method combination polishing and Surface hardening treatment, solves all-metal screw pump and determines
The problem of sub- processing difficulties.But be elongate rod structure again without solution determinant, cutter or workpiece deformation are serious during processing, essence
The problem of degree is difficult to ensure that.
Chinese patent literature Publication No. 103008749A, patent name are《A kind of processing of full metal screw pump stator
Equipment》, including knife bar, cutterhead, guide rod, fulcrum bearing, Work fixing device and knife bar rotating driving device, fulcrum bearing and lathe
It is fixedly connected, guide sleeve is provided with guide rod, guide rod is provided with guide groove, and guide rod is arranged in fulcrum bearing, and knife bar leads to
Cross tuneable bushing to be arranged in guide groove, cutterhead is arranged on the front end of knife bar, and rear end and the knife bar rotating driving device of knife bar connect
Connect, knife bar is provided with the translation mechanism moved radially along guide groove, and at least one axial stomata, axial gas are provided with guide rod
The outlet in hole is arranged on the front end face of guide rod, and the import of axial stomata is connected with feeder, and knife bar is provided centrally with axle
To the cooling oilhole of insertion, the rear end for cooling down oilhole is connected with cooling oil fueller, and advantage is that being discharged metal fillings cuts
Cut a little, avoid the problems such as forging a knife with blade tipping of cutterhead, prevent endoporus from being scratched by metal fillings and causing inner hole defect.But also
It is that not solve determinant be elongate rod structure, the problem of cutter or workpiece deformation are serious during processing, and precision is difficult to ensure that.
The content of the invention
The purpose of the present invention is aiming at drawbacks described above existing for prior art, there is provided a kind of full metal screw pump stator is auxiliary
The application method of processing unit (plant) is helped, using the processing pipe nipple of segmented, makes welding deformation small, stator precision is high, greatly reduces
Difficulty of processing.
A kind of application method for full metal screw pump stator auxiliary machining device that the present invention mentions, comprises the following steps：
A. the integral multiple length of stator lead of screw is taken, stator is divided into n sections, once each section of clamping car system on lathe
Stator pipe nipple, and bore positioning hole in the relevant position of its end face；
B. the end stator pipe nipple with tubing thread that pick-up makes, is put into bottom V-shaped groove（6）It is interior, cover top V-shaped groove
（2）And tighten screw（9）, this section of stator pipe nipple is fixed；
C. stator pipe nipple of the interlude without tubing thread is taken to load alignment pin（3）Afterwards, it is placed in bottom V-shaped groove（6）It is interior, insert successively
Enter mandrel（4）, by alignment pin（3）Aligned with the positioning hole of fixed stator pipe nipple；
D. by power transmission cylinder（5）Withstand on stator pipe nipple and hydraulic cylinder（7）Piston rod between；
E. unlocked stator pipe nipple end face is extruded with hydraulic cylinder, by alignment pin（3）It is pressed into positioning hole；
F. after checking that two sections of stator pipe nipple connections are correct, top V-shaped groove is covered（2）And tighten screw（9）, by this section of stator
Pipe nipple is fixed；
G. repeat step c to f, until all each section of stator pipe nipples of connection；
H. after checking that each section of stator pipe nipple confirmation is errorless, with each connecting end surface of laser welding stator pipe nipple, it is cooled to
After room temperature, screw is unclamped（9）, stator is rotated, exposes unwelded face, until welding is completed；
I. after being cooled to room temperature, screw is unloaded（9）, take top V-shaped groove away（2）, taking-up stator can form overall fixed
Son.
The beneficial effects of the invention are as follows：Take shorter stator processing length to strengthen the rigidity of cutter, reduce cutter distortion,
Machining accuracy is ensure that, reduces difficulty of processing, and each section of stator is connected with alignment pin interference fits, ensure that inner helical surface
Dock With Precision Position, each section of stator pipe nipple of laser welding, welding deformation is small, and stator precision is high, greatly reduces difficulty of processing, saves
Processing cost.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of the present invention；
Accompanying drawing 2 is the A direction views of the present invention；
In figure：Stator pipe nipple 1, top V-shaped groove 2, alignment pin 3, mandrel 4, power transmission cylinder 5, bottom V-shaped groove 6, hydraulic cylinder 7, bottom
Seat 8, screw 9.
Embodiment
With reference to accompanying drawing 1-2, the invention will be further described：
A kind of full metal screw pump stator auxiliary machining device that the present invention mentions, including top V-shaped groove 2, alignment pin 3,
Bottom V-shaped groove 6 is fixed on power transmission cylinder 5, bottom V-shaped groove 6, hydraulic cylinder 7, base 8, the top of described base 8, bottom V-shaped groove 6
Top is provided with V-shaped groove, and top both sides are provided with screw, and are connected with top V-shaped groove 2；The stator pipe nipple 1 of segmentation is fixed on
In cavity between top V-shaped groove 2 and bottom V-shaped groove 6, and two symmetrical positioning holes are respectively bored in the both ends of the surface of stator pipe nipple 1, it is fixed
Position pin 3 is inserted in described positioning hole, and mandrel 4 sequentially passes through the stator pipe nipple 1 of each segmentation, and the stator pipe nipple 1 of end passes through
Power transmission cylinder 5 is connected with hydraulic cylinder 7.
Wherein, stator pipe nipple 1 is the integral multiple length by taking stator lead of screw, and stator is divided into n sections, segmental machining
Stator pipe nipple inside spin simultaneously respectively bores two symmetrical positioning holes in its both ends of the surface；Above-mentioned mandrel is using one and stator inner hole small―gap suture
The polished rod of cooperation.
A kind of application method for full metal screw pump stator auxiliary machining device that the present invention mentions, comprises the following steps：
A. the integral multiple length of stator lead of screw is taken, stator is divided into n sections, once each section of clamping car system on lathe
Stator pipe nipple, and bore positioning hole in the relevant position of its end face；
B. the end stator pipe nipple with tubing thread that pick-up makes, is put into bottom V-shaped groove 6, covers top V-shaped groove 2 simultaneously
Screw 9 is tightened, this section of stator pipe nipple is fixed；
C. after taking stator pipe nipple of the interlude without tubing thread to load alignment pin 3, it is placed in bottom V-shaped groove 6, is sequentially inserted into core
Axle 4, the positioning hole of alignment pin 3 and fixed stator pipe nipple is aligned；
D. power transmission cylinder 5 is withstood between the piston rod of stator pipe nipple and hydraulic cylinder 7；
E. unlocked stator pipe nipple end face is extruded with hydraulic cylinder, alignment pin 3 is pressed into positioning hole；
F. after checking that two sections of stator pipe nipple connections are correct, cover top V-shaped groove 2 and tighten screw 9, by this section of stator pipe nipple
It is fixed；
G. repeat step c to f, until all each section of stator pipe nipples of connection；
H. after checking that each section of stator pipe nipple confirmation is errorless, with each connecting end surface of laser welding stator pipe nipple, it is cooled to
After room temperature, screw 9 is unclamped, stator is rotated, exposes unwelded face, until welding is completed；
I. after being cooled to room temperature, screw 9 is unloaded, takes top V-shaped groove 2 away, one-piece stator can be formed by taking out stator.
The present invention takes shorter stator processing length to strengthen the rigidity of cutter, reduces cutter distortion, ensure that processing essence
Degree, difficulty of processing is reduced, and each section of stator is connected with alignment pin interference fits, ensure that the Dock With Precision Position of inner helical surface, is swashed
Each section of stator pipe nipple of photocoagulation, welding deformation is small, and stator precision is high, greatly reduces difficulty of processing, has saved processing cost, is
A kind of cost-effective processing method.
Claims (1)
- A kind of 1. application method of full metal screw pump stator auxiliary machining device, it is characterized in that comprising the following steps：A. the integral multiple length of stator lead of screw is taken, stator is divided into n sections, once each section of stator of clamping car system on lathe Pipe nipple, and bore positioning hole in the relevant position of its end face；B. the end stator pipe nipple with tubing thread that pick-up makes, is put into bottom V-shaped groove（6）It is interior, cover top V-shaped groove（2）And Tighten screw（9）, this section of stator pipe nipple is fixed；C. stator pipe nipple of the interlude without tubing thread is taken to load alignment pin（3）Afterwards, it is placed in bottom V-shaped groove（6）It is interior, it is sequentially inserted into core Axle（4）, by alignment pin（3）Aligned with the positioning hole of fixed stator pipe nipple；D. by power transmission cylinder（5）Withstand on stator pipe nipple and hydraulic cylinder（7）Piston rod between；E. unlocked stator pipe nipple end face is extruded with hydraulic cylinder, by alignment pin（3）It is pressed into positioning hole；F. after checking that two sections of stator pipe nipple connections are correct, top V-shaped groove is covered（2）And tighten screw（9）, by this section of stator pipe nipple It is fixed；G. repeat step c to f, until all each section of stator pipe nipples of connection；H. after checking that each section of stator pipe nipple confirmation is errorless, with each connecting end surface of laser welding stator pipe nipple, it is cooled to room temperature Afterwards, screw is unclamped（9）, stator is rotated, exposes unwelded face, until welding is completed；I. after being cooled to room temperature, screw is unloaded（9）, take top V-shaped groove away（2）, one-piece stator can be formed by taking out stator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610314902.1A CN105729074B (en) | 2014-10-14 | 2014-10-14 | A kind of application method of full metal screw pump stator auxiliary machining device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610314902.1A CN105729074B (en) | 2014-10-14 | 2014-10-14 | A kind of application method of full metal screw pump stator auxiliary machining device |
| CN201410540484.9A CN104384732B (en) | 2014-10-14 | 2014-10-14 | A kind of full metal screw pump stator auxiliary machining device and method |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410540484.9A Division CN104384732B (en) | 2014-10-14 | 2014-10-14 | A kind of full metal screw pump stator auxiliary machining device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105729074A CN105729074A (en) | 2016-07-06 |
| CN105729074B true CN105729074B (en) | 2018-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610314902.1A Active CN105729074B (en) | 2014-10-14 | 2014-10-14 | A kind of application method of full metal screw pump stator auxiliary machining device |
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| CN (1) | CN105729074B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106583952B (en) * | 2016-12-21 | 2020-04-17 | 无锡威孚力达催化净化器有限责任公司 | Welding process for automobile post-processing anchor ear and pipe |
| CN109396463B (en) * | 2018-12-17 | 2019-10-29 | 杭州兴龙泵业有限公司 | A kind of machine-tooled method of Stator of Single Progressive Cavity Pump |
| CN109915044B (en) * | 2019-03-22 | 2023-11-21 | 中国地质大学（北京） | Axial machining and assembling process for metal stator of assembled screw drilling tool |
| CN115194408B (en) * | 2022-07-13 | 2023-08-11 | 四川博润普石油工程技术有限公司 | Method for machining conical screw pump stator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB574440A (en) * | 1943-07-31 | 1946-01-04 | Sulzer Ag | Improvements in or relating to blades for turbo-machines |
| US4208774A (en) * | 1978-11-27 | 1980-06-24 | United Technologies Corporation | Process for welding flanges to a cylindrical engine casing having a plurality of spaced rails and ribs |
| 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 |
| CN102139440A (en) * | 2011-04-13 | 2011-08-03 | 新疆华易石油工程技术有限公司 | Machining method for stator of all-metal screw pump for thickened-oil thermal exploitation |
| 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 |
-
2014
- 2014-10-14 CN CN201610314902.1A patent/CN105729074B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB574440A (en) * | 1943-07-31 | 1946-01-04 | Sulzer Ag | Improvements in or relating to blades for turbo-machines |
| US4208774A (en) * | 1978-11-27 | 1980-06-24 | United Technologies Corporation | Process for welding flanges to a cylindrical engine casing having a plurality of spaced rails and ribs |
| 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 |
| CN102139440A (en) * | 2011-04-13 | 2011-08-03 | 新疆华易石油工程技术有限公司 | Machining method for stator of all-metal screw pump for thickened-oil thermal exploitation |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN105729074A (en) | 2016-07-06 |
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