CN115741445B - Processing equipment for multistage centrifugal pump impeller - Google Patents
Processing equipment for multistage centrifugal pump impeller Download PDFInfo
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- CN115741445B CN115741445B CN202211456761.9A CN202211456761A CN115741445B CN 115741445 B CN115741445 B CN 115741445B CN 202211456761 A CN202211456761 A CN 202211456761A CN 115741445 B CN115741445 B CN 115741445B
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- impeller
- centrifugal pump
- rotating part
- polishing
- frame
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- 238000005498 polishing Methods 0.000 claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 238000001125 extrusion Methods 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 22
- 238000005219 brazing Methods 0.000 claims abstract description 7
- 239000006061 abrasive grain Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 239000002245 particle Substances 0.000 abstract description 26
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 12
- 238000003754 machining Methods 0.000 abstract description 6
- 238000005520 cutting process Methods 0.000 abstract description 4
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007528 sand casting Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses processing equipment for impellers of multistage centrifugal pumps, and relates to the technical field of impeller processing equipment. According to the invention, the polishing and grinding mechanism and the positioning and pressurizing mechanism are arranged on the frame, so that intermittent jet supply of abrasive particle flow is realized, effective grinding of the deep inner surface of the impeller is ensured, excessive cutting of an inlet of a narrower flow passage is avoided, and the product quality of the multistage closed centrifugal pump impeller is further ensured; the inner surface of the impeller is deeply ground through the material channel by the notch extrusion wheel, abrasive particles flowing out from the material outlet are matched to flow into a gap between the polishing curved strip and the free outer curved surface of the impeller through the guide groove, polishing treatment on the outer surface of the impeller is synchronously finished, synchronous polishing on the inner surface and the outer surface of the impeller is realized, meanwhile, machining of the split impellers on two sides is finished on one piece of equipment, the positioning machining angle is not required to be adjusted, and the profile precision of the impeller in the follow-up brazing process is ensured.
Description
Technical Field
The invention relates to the technical field of impeller processing equipment, in particular to processing equipment for multistage centrifugal pump impellers.
Background
The flow guiding mechanism in the multistage centrifugal pump structure mainly comprises an impeller and a flow guiding disc, a pump shaft of the centrifugal pump drives the impeller to do high-speed rotation motion during operation, flowing media enter from the root of the impeller, centrifugal force is obtained through the impeller rotating at high speed and is thrown to the edge of the impeller, the flowing media are discharged from a pressure relief opening and enter into the flow guiding disc, the flow guiding disc collects flowing media flowing out of the pressure relief opening of the impeller and is sent to the root of the next stage of impeller in a pump shell, a sand casting process is adopted for processing the impeller of the multistage centrifugal pump at present, the rougher surface needs to be polished in order to improve the quality grade of the surface of an overflow part, and the conventional better polishing mode is abrasive particle flow polishing processing, and the surface of a part is ground through abrasive particle flow which is inactive in chemical property and non-corrosiveness.
However, in the long-time use process, the existing processing equipment is found to have certain defects: 1. for the closed centrifugal pump impeller, the inner surface and the outer surface of the blade are three-dimensionally twisted curved surfaces, and when the abrasive particle flow is used for grinding the inner surface of the impeller, as the runner of the inner surface of the impeller is narrower, the abrasive particle flow with constant pressure is continuously supplied, differential cutting force is generated on the runner inlet relative to the inner cavity, namely the grinding size at the runner inlet is larger, so that the phenomenon of circulation or mixed flow and the like occurs at the medium outlet of the impeller when the multistage centrifugal pump after the multistage centrifugal pump is installed is used, and the effective application of the multistage centrifugal pump is influenced; 2. for the internal structure of the closed free-form surface impeller, the processing angle needs to be adjusted and positioned, the labor intensity is high, and the profile accuracy of the impeller is difficult to guarantee.
Disclosure of Invention
The invention aims to provide a processing device for a multistage centrifugal pump impeller, which is used for solving the defects caused by the prior art.
The utility model provides a processing equipment for multistage centrifugal pump impeller, includes frame, feed pump, throws grinds mechanism and location pressurization mechanism, set up the collecting tank in the frame, the upper end slope of frame sets up, the feed pump is installed in the upper end of frame for be used for supplying with polishing abrasive grain, throw the grinding mechanism and install in the frame, and be used for carrying out inside and outside surface simultaneous polishing to centrifugal pump impeller, location pressurization mechanism installs in throwing grinds the mechanism, and be used for carrying out accurate location and half components of a whole that can function independently internal surface pressurization abrasive grain to centrifugal pump impeller.
Preferably, the centrifugal pump impeller is a closed free-form surface impeller, and the split type structures of the centrifugal pump impeller are connected through vacuum brazing.
Preferably, the polishing mechanism comprises a driving motor, a rotating part and a polishing curved bar, wherein the driving motor is arranged at the upper end of the frame, a long gear is arranged at the output end of the driving motor, the rotating part is arranged on the frame in a sliding way through a guide cylinder, a guide cone rod is arranged on the frame in a rotating way, the guide cone rod is abutted against the upper surface of the rotating part, a lifting rod is further arranged on the frame in a sliding way, a spring is sleeved between the upper end of the lifting rod and the frame, a guide flat rod is arranged at the lower part of the lifting rod, the guide flat rod is abutted against the lower surface of the rotating part, a guide groove is arranged at the side end of the lifting rod, a mounting frame is movably arranged at the lower end of the lifting rod and is fixed through a bolt, the polishing curved bar is adjustably arranged on the mounting frame, a gear ring is coaxially and fixedly arranged on the outer side of the rotating part, and the gear ring is meshed with the long gear.
Preferably, the positioning pressurizing mechanism comprises a positioning disc, a screw and a notch extrusion wheel, wherein the positioning disc is detachably arranged at the lower end of the rotating part, a discharge port is formed in the side end of the positioning disc, a material passing channel is formed in the upper end of the positioning disc, a mounting groove matched with the impeller of the centrifugal pump is formed in the positioning disc, the screw is rotatably arranged on the frame through an L-shaped bracket, the screw is in threaded connection with the guide cylinder, the notch extrusion wheel is in threaded connection with the screw and is arranged in the rotating part, the lower end of the screw penetrates through the guide cylinder, and a positioning telescopic head is arranged at the lower part of the guide cylinder.
Preferably, the upper end side of the rotating part is a smooth transition inclined curved surface, the upper port of the rotating part is horizontally arranged, and the upper port side end of the rotating part is provided with a liquid level sensor.
Preferably, the upper port of the rotating part corresponds to the outlet of the feed pump.
Preferably, the end part of the diversion trench is matched with the curved surface of the polishing curved strip and the curved surface of the centrifugal pump impeller.
Preferably, the jet flow direction of the discharge port corresponds to the surface of the diversion trench.
The invention has the advantages that: the polishing mechanism and the positioning pressurizing mechanism are arranged on the frame, the output end of the driving motor drives the rotating part to axially reciprocate along the long gear through the gear ring, so that in the process from the low point position to the high point position at the upper end of the curved surface of the rotating part, the guide cylinder drives the screw rod to synchronously rotate, and then the notch extrusion wheel in the rotating part is driven to synchronously rotate, after the notch of the notch extrusion wheel is overlapped with the lower material passing channel, the abrasive particle flow fully extruded in the inner cavity of the rotating part is rapidly extruded in the notch space of the notch extrusion wheel, and is ejected into the inner surface of a half-side split body of the lower impeller through the material passing channel, and the upper non-notch part covers the material passing channel and stops the abrasive particle supply to the impeller along with the continuous rotation of the notch extrusion wheel, so that the intermittent jet supply of the abrasive particle flow is realized, the effective grinding deep in the inner surface of the impeller is ensured, meanwhile, the excessive cutting of a narrower flow channel inlet is avoided, and the product quality of the impeller of the multistage closed centrifugal pump is ensured;
the inner surface of the impeller is deeply ground through the material channel by the notch extrusion wheel, abrasive particles flowing out from the material outlet are matched to flow into a gap between the polishing curved strip and the free outer curved surface of the impeller through the guide groove, polishing treatment on the outer surface of the impeller is synchronously finished, synchronous polishing on the inner surface and the outer surface of the impeller is realized, meanwhile, machining of the split impellers on two sides is finished on one piece of equipment, the positioning machining angle is not required to be adjusted, and the profile precision of the impeller in the follow-up brazing process is ensured.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic diagram illustrating the assembly of the polishing and grinding mechanism and the positioning and pressurizing mechanism according to the present invention.
FIG. 3 is a schematic diagram showing the assembly of the positioning and pressurizing mechanism and a part of the structure in the present invention.
Fig. 4 is a schematic view of the internal structure of a part of the structure in the present invention.
FIG. 5 is a schematic view showing the assembly of the rotating part and the notch extrusion wheel in the present invention.
Fig. 6 is a schematic diagram of the product of the centrifugal pump impeller of the present invention.
The device comprises a 1-frame, a 2-feed pump, a 3-polishing mechanism, a 4-positioning pressurizing mechanism, a 5-collecting tank, a 301-driving motor, a 302-rotating part, a 303-polishing curved bar, a 304-long gear, a 305-guide cylinder, a 306-guide cone rod, a 307-lifting rod, a 308-spring, a 309-guide flat rod, a 310-guide groove, a 311-gear ring, a 312-mounting frame, a 41-positioning disk, a 42-lead screw, a 43-notch extrusion wheel, a 44-discharge opening, a 45-passing channel, a 46-support, a 47-positioning telescopic head and a 48-mounting groove.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 6, a processing device for multistage centrifugal pump impeller includes a frame 1, a feed pump 2, a polishing mechanism 3 and a positioning and pressurizing mechanism 4, a material collecting groove 5 is provided on the frame 1, the upper end of the frame 1 is inclined, the feed pump 2 is mounted on the upper end of the frame 1 for supplying polishing abrasive particles, the polishing mechanism 3 is mounted on the frame 1 for polishing inner and outer surfaces of the centrifugal pump impeller simultaneously, and the positioning and pressurizing mechanism 4 is mounted in the polishing mechanism 3 for precisely positioning the centrifugal pump impeller and pressurizing the abrasive particles on the inner surface of a half-side split body.
The centrifugal pump impeller is a closed free-form surface impeller, and the split type structure of the centrifugal pump impeller is connected through vacuum brazing.
In this embodiment, the polishing mechanism 3 includes a driving motor 301, a rotating portion 302 and a polishing curved bar 303, the driving motor 301 is mounted at the upper end of the frame 1, a long gear 304 is mounted at the output end of the driving motor 301, the rotating portion 302 is slidably disposed on the frame 1 through a guide cylinder 305, a guiding conical rod 306 is rotatably disposed on the frame 1, the guiding conical rod 306 abuts against the upper surface of the rotating portion 302, a lifting rod 307 is slidably disposed on the frame 1, a spring 308 is sleeved between the upper end of the lifting rod 307 and the frame 1, a guiding flat rod 309 is disposed at the lower portion of the lifting rod 307, the guiding flat rod 309 abuts against the lower surface of the rotating portion 302, a guiding groove 310 is mounted at the side end of the lifting rod 307, a mounting frame 312 is movably mounted at the lower end of the lifting rod 307 and is fixed through a bolt, the polishing curved bar 303 is adjustably mounted on the mounting frame 312, a gear ring 311 is coaxially and fixedly mounted on the outer side of the rotating portion 302, and the gear ring 311 is meshed with the long gear 304.
In this embodiment, the positioning and pressurizing mechanism 4 includes a positioning disc 41, a screw 42 and a notch extrusion wheel 43, the positioning disc 41 is detachably mounted at the lower end of the rotating portion 302, the side end of the positioning disc 41 is provided with evenly distributed discharge ports 44, the upper end of the positioning disc 41 is provided with evenly distributed passing channels 45, the positioning disc 41 is further provided with mounting grooves 48 matched with the centrifugal pump impeller, the screw 42 is rotatably mounted on the frame 1 through an L-shaped bracket 46, the screw 42 is in threaded connection with the guide cylinder 305, the notch extrusion wheel 43 is in threaded mounting on the screw 42 and is disposed in the rotating portion 302, the lower end of the screw 42 penetrates through the guide cylinder 305, and the lower portion of the guide cylinder 305 is provided with a positioning telescopic head 47.
It should be noted that the notch extrusion wheel 43 has an inclined and enlarged trend from top to bottom at the notch, so that the abrasive particle flow is rapidly extruded into the lower material passing channel 45 in the notch cavity.
In this embodiment, the length of the long gear 304 is greater than the length of the gear ring 311, the upper end side of the rotating portion 302 is a smooth transition inclined curved surface, the upper port of the rotating portion 302 is horizontally disposed, the upper port side end of the rotating portion 302 is provided with a liquid level sensor, and the upper port of the rotating portion 302 corresponds to the outlet of the feed pump 2.
In this embodiment, the end of the diversion trench 310 is matched with the curved surface of the polishing curved strip 303 and the centrifugal pump impeller.
In addition, the jet direction of the discharge opening 44 corresponds to the surface of the diversion trench 310.
Working process and principle: in the use process, firstly, according to the flow channel orientation of a half split centrifugal pump impeller to be polished, an adaptive positioning disc 41 is selected and is installed to the lower end of a rotating part 302 together with the impeller, positioning of the impeller is completed by matching with a positioning telescopic head 47, an adaptive polishing curved bar 303 is installed at the lower end of a lifting rod 307 through a mounting frame 312, a feeding pump 2 is started to pump abrasive particle flow into a rotating part 302 with a downward port, then a driving motor 301 is started to drive the output end of the feeding pump 2 to drive a long gear 304 to rotate, the long gear 304 drives the rotating part 302 to rotate through a gear ring 311, and under the elastic pushing action of a spring 308, the lower end of the lifting rod 307 drives a guide flat rod 309 to be kept in tight contact with the lower end face of the gear ring 311, so that the curved track of the upper end of the rotating part 302 is kept in contact with the guide flat rod 306 in the rotation process;
in the process from the low point position to the high point position at the upper end of the curved surface of the rotating part 302, the rotating part 302 drives the centrifugal pump impeller arranged at the lower end of the 41 to ascend and simultaneously drives the screw rod 42 to synchronously rotate through the guide cylinder 305, then drives the notch extrusion wheel 43 in the rotating part 302 to synchronously rotate, and after the abrasive particles flow into the cavity above the rotating part 302, the space between the cavity and the notch at the side end of the notch extrusion wheel 43 is rapidly filled, after the notch of the notch extrusion wheel 43 overlaps with the lower material passing channel 45, the abrasive particle flow fully extruded in the inner cavity of the rotating part 302 is rapidly extruded in the notch space of the notch extrusion wheel 43, and the abrasive particle flows into the inner surface of the half part of the lower impeller through the material passing channel 45 and is accompanied with the abrasive particle flowing out through the material discharging hole 44, and as the notch extrusion wheel 43 continues to rotate, the upper non-notch part covers the material passing channel 45 and stops supplying the abrasive particle of the impeller, and the abrasive particle flowing out of the notch extrusion wheel 43 flows into the gap 303 between the polishing curved strip and the free outer curved surface of the impeller, the abrasive particle flowing out of the material passing channel 310 is synchronously finished, and the abrasive particle flowing out of the material discharging groove 5 is processed and recovered;
when the centrifugal pump impeller with the split structure at the other side is processed in the same process, the positioning disc 41 matched with the side is replaced, and the integral welding of the closed free-form surface impeller is completed in a vacuum brazing mode after the processing is finished.
Based on the above, the polishing and grinding mechanism 3 and the positioning and pressurizing mechanism 4 are arranged on the frame 1, the output end of the driving motor 301 drives the rotating part 302 to axially reciprocate along the long gear 304 through the gear ring 311, so that the screw rod 42 is driven to synchronously rotate through the guide cylinder 305 in the process from the low point position to the high point position at the upper end of the curved surface of the rotating part 302, the notch extrusion wheel 43 in the rotating part 302 is driven to synchronously rotate, after the notch of the notch extrusion wheel 43 overlaps with the lower material passing channel 45, the abrasive particle flow fully extruded in the inner cavity of the rotating part 302 is rapidly extruded in the notch space of the notch extrusion wheel 43, and is injected into the inner surface of the half-side split body of the lower impeller through the material passing channel 45, and the upper non-notch part covers the material passing channel 45 and stops the abrasive particle supply to the impeller, so that the intermittent jet flow supply of the abrasive particle flow is realized, the effective grinding deep in the inner surface of the impeller is ensured, and meanwhile, the excessive cutting to the narrower flow passage is avoided, and the product quality of the impeller of the multistage closed centrifugal pump is ensured;
the inner surface of the impeller is deeply ground through the notch extrusion wheel 43 passing through the material channel 45, abrasive particles flowing out of the material outlet 44 are matched to flow into a gap between the polishing curved strip 303 and the free outer curved surface of the impeller through the guide groove 310, polishing treatment on the outer surface of the impeller is synchronously finished, synchronous polishing on the inner surface and the outer surface of the impeller is realized, machining of the split impellers on two sides is finished on one piece of equipment, the positioning machining angle is not required to be adjusted, and the profile precision of the impeller in the follow-up brazing process is ensured.
It will be appreciated by those skilled in the art that the present invention can be carried out in other embodiments without departing from the spirit or essential characteristics thereof. Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the scope of the invention or equivalents thereto are intended to be embraced therein.
Claims (6)
1. The utility model provides a processing equipment for multistage centrifugal pump impeller, its characterized in that includes frame (1), feed pump (2), polishing mechanism (3) and location pressurization mechanism (4), set up collection silo (5) on frame (1), the upper end slope setting of frame (1), feed pump (2) install in the upper end of frame (1) for be used for supplying with polishing abrasive grain, polishing mechanism (3) are installed on frame (1) to be used for carrying out inside and outside surface simultaneous polishing to centrifugal pump impeller, location pressurization mechanism (4) are installed in polishing mechanism (3) to be used for carrying out accurate location and half components of a whole that can function independently pressurization abrasive grain to centrifugal pump impeller, centrifugal pump impeller wholly is closed free-form impeller, and its split type structure is through vacuum brazing phase, polishing mechanism (3) are including driving motor (301), rotating part (302) and polishing curved strip (303), driving motor (301) are installed in the upper end of frame (1), and driving motor (301) output is installed long gear (304), rotating part (302) are provided with guide cone roller (306) through rotating part (302) on the guide cone (1) looks setting up on rotating part (306), the lifting device is characterized in that a lifting rod (307) is further arranged on the frame (1) in a sliding manner, a spring (308) is sleeved between the upper end of the lifting rod (307) and the frame (1), a guide flat rod (309) is arranged at the lower part of the lifting rod (307), the guide flat rod (309) is abutted against the lower surface of the rotating part (302), a diversion trench (310) is arranged at the side end of the lifting rod (307), a mounting frame (312) is movably arranged at the lower end of the lifting rod (307) and is fixed through a bolt, the polishing curved strip (303) is adjustably mounted on the mounting frame (312), a gear ring (311) is coaxially and fixedly mounted at the outer side of the rotating part (302), and the gear ring (311) is meshed with the long gear (304).
2. A processing apparatus for a multistage centrifugal pump impeller according to claim 1, characterized in that: the positioning pressurizing mechanism (4) comprises a positioning disc (41), a screw rod (42) and a notch extrusion wheel (43), wherein the positioning disc (41) is detachably arranged at the lower end of the rotating part (302), a discharge port (44) is formed in the side end of the positioning disc (41), a material passing channel (45) is formed in the upper end of the positioning disc (41), a mounting groove (48) matched with a centrifugal pump impeller is formed in the positioning disc (41), the screw rod (42) is rotatably arranged on the frame (1) through an L-shaped support (46), the screw rod (42) is in threaded connection with the guide cylinder (305), the notch extrusion wheel (43) is in threaded connection with the screw rod (42) and is arranged in the rotating part (302), the lower end of the screw rod (42) penetrates through the guide cylinder (305), and a positioning extension head (47) is arranged at the lower part of the guide cylinder (305).
3. A processing apparatus for a multistage centrifugal pump impeller according to claim 1, characterized in that: the upper end part side of the rotating part (302) is a smooth transition inclined curved surface, the upper port of the rotating part (302) is horizontally arranged, and a liquid level sensor is arranged at the upper port side end of the rotating part (302).
4. A processing apparatus for a multistage centrifugal pump impeller according to claim 1, characterized in that: the upper port of the rotating part (302) corresponds to the outlet of the feed pump (2).
5. A processing apparatus for a multistage centrifugal pump impeller according to claim 1, characterized in that: the end of the diversion trench (310) is matched with the curved surface of the polishing curved strip (303) and the curved surface of the centrifugal pump impeller.
6. A processing apparatus for a multistage centrifugal pump impeller according to claim 2, characterized in that: the jet flow direction of the discharge opening (44) corresponds to the surface of the diversion trench (310).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211456761.9A CN115741445B (en) | 2022-11-21 | 2022-11-21 | Processing equipment for multistage centrifugal pump impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211456761.9A CN115741445B (en) | 2022-11-21 | 2022-11-21 | Processing equipment for multistage centrifugal pump impeller |
Publications (2)
| Publication Number | Publication Date |
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| CN115741445A CN115741445A (en) | 2023-03-07 |
| CN115741445B true CN115741445B (en) | 2023-08-01 |
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| CN202211456761.9A Active CN115741445B (en) | 2022-11-21 | 2022-11-21 | Processing equipment for multistage centrifugal pump impeller |
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| DE102019131050A1 (en) * | 2019-11-18 | 2021-05-20 | AM Metals GmbH | Flow lapping device for smoothing a surface of a workpiece |
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| CN104972381B (en) * | 2015-02-03 | 2017-05-31 | 浙江工业大学 | A kind of super-smooth surface fluid polishing device based on gas-liquid-solid three-phase abrasive Flow |
| CN206366904U (en) * | 2016-10-20 | 2017-08-01 | 浙江工业大学 | A kind of high efficiency fluid finishing processing device based on structure cavitation effect |
| CN106670954B (en) * | 2016-12-30 | 2018-09-07 | 浙江工业大学 | A kind of centrifugal pump impeller combined type rotary polishing apparatus |
| WO2018154730A1 (en) * | 2017-02-24 | 2018-08-30 | 三菱重工コンプレッサ株式会社 | Impeller manufacturing method and impeller flow path elongation jig |
| CN108326725B (en) * | 2017-12-28 | 2020-05-08 | 西安航天发动机有限公司 | 3D prints closed impeller abrasive flow finishing processingequipment |
| CN109277937A (en) * | 2018-11-01 | 2019-01-29 | 浙江工业大学 | A kind of low specific-speed centrifugal pump impeller cover burnishing device |
| CN111618734A (en) * | 2020-07-01 | 2020-09-04 | 长春理工大学 | Clamp for precisely machining impeller by abrasive flow |
| CN112192432A (en) * | 2020-11-05 | 2021-01-08 | 长春理工大学 | High-precision impeller polishing equipment |
| CN114161310A (en) * | 2021-11-25 | 2022-03-11 | 南京晨光集团有限责任公司 | Shape-following abrasive particle flow clamp for titanium alloy integral impeller |
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|---|---|---|---|---|
| CN105382672A (en) * | 2015-12-10 | 2016-03-09 | 长春理工大学 | Device based on flexible abrasive particle flow and for polishing vane wheel |
| JP2017180178A (en) * | 2016-03-29 | 2017-10-05 | 三菱重工コンプレッサ株式会社 | Impeller manufacturing method with thermofusion laminate molding and mechanical polishing |
| DE102019131050A1 (en) * | 2019-11-18 | 2021-05-20 | AM Metals GmbH | Flow lapping device for smoothing a surface of a workpiece |
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| CN115741445A (en) | 2023-03-07 |
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Effective date of registration: 20231204 Address after: No.1 Yiye Road, Zhongxin Suzhou Chuzhou High tech Industrial Development Zone, Chuzhou City, Anhui Province, 239000 Patentee after: Chuzhou Xinyi Equipment Technology Co.,Ltd. Address before: 239000 Chengnan Industrial Park, Nanqiao District, Chuzhou City, Anhui Province Patentee before: Chuzhou Chengye Machinery Manufacturing Co.,Ltd. |
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