CN110977785A - High-precision blade abrasive fluid surface polishing strengthening equipment - Google Patents
High-precision blade abrasive fluid surface polishing strengthening equipment Download PDFInfo
- Publication number
- CN110977785A CN110977785A CN201911338077.9A CN201911338077A CN110977785A CN 110977785 A CN110977785 A CN 110977785A CN 201911338077 A CN201911338077 A CN 201911338077A CN 110977785 A CN110977785 A CN 110977785A
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- CN
- China
- Prior art keywords
- polishing
- servo driving
- axis servo
- driving system
- polisher
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C5/00—Devices or accessories for generating abrasive blasts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C7/00—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts
- B24C7/0007—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a liquid carrier
Abstract
The invention relates to the field of polishing equipment, in particular to high-precision blade abrasive fluid surface polishing strengthening equipment which comprises a rack and an abrasive box arranged on the rack; the blades are arranged in the grinding box through a clamping device and a B-axis servo driving system, and the lower parts of the blades are in contact with polishing turbid liquid, so that the B-axis servo driving system drives the blades to rotate; the upper end of the frame is provided with X, Y, Z three linear axis servo driving systems and a swing arm, and the tail end of the swing arm is provided with a polisher, so that the polisher is driven to rotate by the A axis servo driving system; the polisher is connected with the polishing centrifugal pump through a hose, and an input shaft of the polishing centrifugal pump is connected with a filter arranged in the grinding box; the polishing centrifugal pump sucks polishing suspension liquid through a filter, and the polishing suspension liquid is pressurized and then conveyed to a polisher through a hose; and the computer control system is arranged outside the rack. The equipment and the process for developing and processing the abrasive fluid surface polishing and strengthening of the blade can obviously improve the surface quality and the geometric accuracy of the blade.
Description
Technical Field
The invention relates to the field of polishing equipment, in particular to high-precision blade abrasive fluid surface polishing strengthening equipment.
Background
The high-precision blade is a core component of the impeller of the water wheel testing machine, the design curved surface of the blade is complex, the processing precision and the surface quality process requirement are high, the high-precision surface modification, the manufacturing process control and the technical method of polishing treatment after the blade finish machining process are difficult problems which disturb the domestic blade surface processing, and after the blade is finished, in order to meet the surface geometric dimension precision and the higher roughness value, the surface needs to be manually polished, so that the high-precision measurement data required by the blade during the test can be met. In the manual grinding process, due to factors such as proficiency, working state and operation mode of workers, the working environment is poor, the strength is high, much dust is generated in grinding, the efficiency is low, the working hours are long, the labor cost is high, the final surface quality of the blade and the geometric precision of the blade can be influenced, the impeller working performance data and the theoretical data have certain deviation in the test process, and the reliability of the test data is influenced. By developing the abrasive fluid surface polishing strengthening equipment and process for polishing the blade, the surface quality and geometric precision of the blade can be obviously improved, the accuracy of impeller test data is improved, great application significance is realized on theoretical design and data analysis, and basic test data which are more in line with a theoretical model are provided for subsequent impeller amplification design.
Disclosure of Invention
The invention provides high-precision blade abrasive fluid surface polishing strengthening equipment aiming at the technical problems in the prior art, and the equipment and the process for developing and processing the abrasive fluid surface polishing strengthening equipment of the blade can obviously improve the surface quality and the geometric precision of the blade, improve the accuracy of impeller test data, have great application significance to theoretical design and data analysis, and provide basic test data which are more in line with a theoretical model for subsequent impeller amplification design.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high-precision blade abrasive fluid surface polishing strengthening device comprises a frame and an abrasive box arranged on the frame; a certain amount of polishing suspension is arranged in the grinding box; the blades are arranged in the grinding box through a clamping device and a B-axis servo driving system, and the lower parts of the blades are in contact with polishing turbid liquid, so that the B-axis servo driving system drives the blades to rotate;
an X-axis sliding table driven by an X-axis servo driving system is arranged at the upper end of the rack, a Y-axis sliding table driven by a Y-axis servo driving system is arranged on the X-axis sliding table, and a Z-axis sliding seat driven by a Z-axis servo driving system is arranged on one side of the Y-axis sliding table; the Z-axis sliding seat is positioned right above the grinding box; a swing arm driven by an A-axis servo driving system is arranged below the Z-axis sliding seat, and a polisher is mounted at the tail end of the swing arm so as to be driven to rotate by the A-axis servo driving system;
the polisher is connected with the polishing centrifugal pump through a hose, and an input shaft of the polishing centrifugal pump is connected with a filter arranged in the grinding box; the polishing centrifugal pump sucks polishing suspension liquid through a filter, and the polishing suspension liquid is pressurized and then conveyed to a polisher through a hose;
the computer control system is arranged outside the rack; the computer control system controls X, Y, Z three linear axis servo driving systems and A, B two rotary axis servo driving systems, so that the polishing head on the polisher performs 5-axis combined control composite motion.
Further, the polishing suspension is formed by mixing a fine sand abrasive with a certain concentration and water, and is placed in an abrasive box.
Further, a mixing centrifugal pump is arranged outside the grinding material box; the suction inlet of the mixing centrifugal pump is arranged in the grinding material box, the outlet of the mixing centrifugal pump is distributed to a plurality of mixing pipes arranged at the bottom of the grinding material box through a mixing header pipe, and a plurality of spray holes are formed in each mixing pipe to spray the grinding material liquid.
Further, the bottom of the inner side of the grinding material box is also provided with a plurality of groups of V-shaped grooves; one mixing pipe is arranged in each group of V-shaped grooves.
Further, a feed inlet, a mixing cavity and a flat arc-shaped shrinkage discharge outlet are formed in the polisher; the sectional area of the mixing cavity is larger than the sectional areas of the feed inlet and the discharge outlet.
Furthermore, the grinding material box also comprises a temperature sensor and a concentration sensor, and the two sensors respectively monitor the temperature and the concentration of the polishing liquid so as to feed measured data back to the computer control system.
Furthermore, the B-axis servo driving system is connected to the rack outside the grinding material box; one end of the clamping device is connected with the rotary B-axis servo driving system, and the other end of the clamping device is connected with the blade on the inner side of the grinding box.
The invention has the advantages and positive effects that:
according to the high-precision blade abrasive fluid surface polishing strengthening equipment, actual three-dimensional geometric data of the blade is measured and compared with a theoretical three-dimensional model, the blade is subjected to targeted automatic control polishing, and the equipment is small in error, high in quality and high in automation degree.
According to the invention, five-axis movement and abrasive polishing procedures are integrated into one device through computer program control, so that the modularized design of high integration level of blade machining is realized, working parameters are freely adjusted according to varieties and specifications, the manufacturing cost of the blade is reduced, the working hours of product production procedures are reduced to a great extent, the machining efficiency is improved, the blade forming precision is ensured, and the surface mechanical property of the blade is improved. The device has the characteristics of advanced structure, convenient installation, maintenance and operation, compact and reasonable structural layout and high reliability; because the process mode of manual grinding is replaced, the blade polishing has the advantages of high geometric precision, good surface quality, high working efficiency, convenience in adjustment, high automation degree and the like; the invention is a revolution of impeller processing technology and has huge market application prospect.
Description of the drawings:
FIG. 1 is a front view of a polishing enhancement apparatus in accordance with a preferred embodiment of the present invention;
FIG. 2 is a top view of a polishing enhancement apparatus in accordance with a preferred embodiment of the present invention;
FIG. 3 is a front cross-sectional view of a polisher in accordance with a preferred embodiment of the present invention;
fig. 4 is a top cross-sectional view of a polisher in a preferred embodiment of the invention.
Wherein: 1. a frame; 2. a blade; 3. a clamping device; 4. a B-axis servo drive system; 5. an X-axis sliding table; 6. an X-axis servo drive system; 7. a Y-axis sliding table; 8. a Y-axis servo drive system; 9. a Z-axis slide carriage; 10. an A-axis servo drive system; 11. swinging arms; 12. a polisher; 12a, a feed inlet; 12b, an amplifying and mixing cavity; 12c, a discharge hole; 13. a hose; 14. polishing the centrifugal pump; 15. a filter; 16. a Z-axis servo drive system; 17. a V-shaped groove; 18. a mixing tube; 19. spraying a hole; 20. a grinding box; 21. a mixing manifold; 22. a mixing centrifugal pump; 23. a computer control system; 24. concentration and temperature sensors.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; rather than all embodiments. Based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
As shown in fig. 1 to 4, the present invention discloses a high precision blade abrasive fluid surface polishing strengthening device, which comprises a frame 1 and an abrasive box 20 arranged on the frame; a certain amount of polishing suspension is arranged in the grinding box 20; the blades are arranged in the grinding box through a clamping device 3 and a B-axis servo driving system 4, and the lower parts of the blades are contacted with polishing turbid liquid; specifically, the B-axis servo driving system is connected to a rack outside the grinding material box; one end of the clamping device is connected with the B-axis servo driving system, and the other end of the clamping device is connected with the blade on the inner side of the grinding box, so that the B-axis servo driving system drives the blade to rotate;
an X-axis sliding table 5 driven by an X-axis servo driving system 6 is arranged at the upper end of the rack, a Y-axis sliding table 7 driven by a Y-axis servo driving system 8 is arranged on the X-axis sliding table, and a Z-axis sliding seat 9 driven by a Z-axis servo driving system 16 is arranged on one side of the Y-axis sliding table; the X, Y, Z-axis servo driving systems comprise servo motors and lead screws; the Z-axis sliding seat 9 is positioned right above the grinding box; a swing arm 11 driven by an A-axis servo driving system 10 is arranged below the Z-axis sliding seat; specifically, the servo drive system of the shaft A and the servo drive system of the shaft B both comprise a servo motor and a matched speed reducer.
The tail end of the swing arm 11 is provided with a polisher 12, and an A-axis servo driving system is used for driving the polisher to rotate; the polisher 12 is connected with a polishing centrifugal pump 14 through a hose 13, and an input shaft of the polishing centrifugal pump 14 is connected with a filter 15 arranged in a grinding box 20; the polishing centrifugal pump 14 sucks the suspension through a filter, and conveys the suspension to a polisher through a hose 13 after pressurization; preferably, the polisher 12 is internally provided with a feed inlet 12a, a mixing chamber 12b and a flat arc-shaped shrinkage discharge port 12c, and the sectional area of the mixing chamber is larger than the sectional areas of the feed inlet and the discharge port, so that an acceleration flow channel of the polisher is beneficial to forming high-speed and uniform abrasive fluid, high-speed abrasive flow can be realized, certain processing width can be ensured, polishing efficiency and quality are considered, the abrasive flow is uniform in grinding energy of a strip-shaped area contacted with a blade, and the polisher has a good strengthening function and a good flexibility characteristic.
Preferably, the polishing suspension is formed by mixing a certain concentration of fine sand abrasive and water, and is placed in an abrasive box. In order to prevent the fine sand abrasive from sinking to the bottom of the abrasive box under the action of self gravity, a mixing centrifugal pump 22 is arranged outside the abrasive box 20; the suction inlet of the mixing centrifugal pump 22 is arranged in the grinding box 20, the outlet of the mixing centrifugal pump is distributed to a plurality of mixing pipes 18 arranged at the bottom of the grinding box through a mixing header pipe 21, and each mixing pipe is provided with a plurality of spray holes 19 for spraying the grinding fluid. Preferably, the bottom of the inner side of the grinding material box is also provided with a plurality of groups of V-shaped grooves 17; one mixing tube 18 is arranged in each group of V-shaped grooves; the mixing pipe is matched with the V-shaped groove, and the grinding material and water are stirred to be mixed to form a mixed solution with uniform concentration by utilizing the entrainment and mixing functions of the fluid.
The grinding box also comprises a temperature sensor and a concentration sensor, the two sensors respectively monitor the temperature and the concentration of the polishing suspension liquid so as to feed measured data back to the computer control system 23, and the polishing head adjusts working parameters such as the processing speed and the angle of the blade according to the feedback of the computer control system. And when the polishing suspension liquid does not meet the working parameters, the system gives an alarm and carries out manual treatment so as to ensure that the polishing suspension liquid meets the requirements of the polishing working conditions.
The invention adopts the operation mode of wet abrasive liquid polishing, has no dust during working, adopts sand and water as treatment substances, and is environment-friendly and pollution-free.
The working principle is as follows:
the blade to be polished and strengthened is arranged on the clamping device, and the B-axis servo driving system which rotates horizontally is connected with the clamping device through a servo motor and a speed reducer; extracting three-dimensional geometric data of the blade through measuring equipment before polishing, comparing the three-dimensional geometric data with a three-dimensional design theoretical model, analyzing and measuring the three-dimensional geometric data, and inputting different deviation data of the three-dimensional geometric data and the three-dimensional design theoretical model into a program; the program of the computer control system drives an X, Y, Z, A, B five-axis servo drive system according to the deviation data to realize that the polisher is controlled to polish the corresponding part of the blade; according to the grinding efficiency of the polisher under the conditions of different processing materials, temperatures, abrasive concentration and the like, the moving speed of the polisher on the surface of the blade is controlled, namely the speed of the polisher is controlled according to the quantity of the removed materials, so that the error between the finally polished blade and a theoretical model is minimized. The computer control system drives the screw rod through a program control X, Y, Z servo driving system to enable the sliding table to realize linear movement in three directions X, Y, Z and to be matched with the rotary motion of a rotating shaft A of the polishing device and a rotating shaft B of the clamping blade, so that the surface of the blade is polished.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (7)
1. A high-precision blade abrasive fluid surface polishing strengthening device comprises a frame and an abrasive box arranged on the frame; a certain amount of polishing suspension is arranged in the grinding box; the method is characterized in that:
the blades are arranged in the grinding box through a clamping device and a B-axis servo driving system, and the lower parts of the blades are in contact with polishing turbid liquid, so that the B-axis servo driving system drives the blades to rotate;
an X-axis sliding table driven by an X-axis servo driving system is arranged at the upper end of the rack, a Y-axis sliding table driven by a Y-axis servo driving system is arranged on the X-axis sliding table, and a Z-axis sliding seat driven by a Z-axis servo driving system is arranged on one side of the Y-axis sliding table; the Z-axis sliding seat is positioned right above the grinding box; a swing arm driven by an A-axis servo driving system is arranged below the Z-axis sliding seat, and a polisher is mounted at the tail end of the swing arm so as to be driven to rotate by the A-axis servo driving system;
the polisher is connected with the polishing centrifugal pump through a hose, and an input shaft of the polishing centrifugal pump is connected with a filter arranged in the grinding box; the polishing centrifugal pump sucks polishing suspension liquid through a filter, and the polishing suspension liquid is pressurized and then conveyed to a polisher through a hose;
the computer control system is arranged outside the rack; the computer control system controls X, Y, Z three linear axis servo driving systems and A, B two rotary axis servo driving systems, so that the polishing head on the polisher performs 5-axis combined control composite motion.
2. The high precision blade abrasive fluid surface polishing enhancement apparatus of claim 1, wherein: the polishing suspension is prepared by mixing fine sand abrasive and water and is placed in an abrasive box.
3. The high precision blade abrasive fluid surface polishing enhancement apparatus of claim 2, wherein: a mixing centrifugal pump is arranged outside the grinding material box; the suction inlet of the mixing centrifugal pump is arranged in the grinding material box, the outlet of the mixing centrifugal pump is distributed to a plurality of mixing pipes arranged at the bottom of the grinding material box through a mixing header pipe, and a plurality of spray holes are formed in each mixing pipe to spray the grinding material liquid.
4. The high precision blade abrasive fluid surface polishing enhancement apparatus of claim 3, wherein: the bottom of the inner side of the grinding material box is also provided with a plurality of groups of V-shaped grooves; one mixing pipe is arranged in each group of V-shaped grooves.
5. The high precision blade abrasive fluid surface polishing enhancement apparatus of claim 1, wherein: the polisher is internally provided with a feeding hole, a mixing cavity and a flat arc-shaped shrinkage discharging hole; the sectional area of the mixing cavity is larger than the sectional areas of the feed inlet and the discharge outlet.
6. The high precision blade abrasive fluid surface polishing enhancement apparatus of claim 1, wherein: the grinding material box also comprises a temperature sensor and a concentration sensor, wherein the two sensors respectively monitor the temperature and the concentration of the polishing liquid so as to feed measured data back to the computer control system.
7. The high precision blade abrasive fluid surface polishing enhancement apparatus of claim 1, wherein: the B-axis servo driving system is connected to the rack outside the grinding material box; one end of the clamping device is connected with the rotary B-axis servo driving system, and the other end of the clamping device is connected with the blade on the inner side of the grinding box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911338077.9A CN110977785A (en) | 2019-12-23 | 2019-12-23 | High-precision blade abrasive fluid surface polishing strengthening equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911338077.9A CN110977785A (en) | 2019-12-23 | 2019-12-23 | High-precision blade abrasive fluid surface polishing strengthening equipment |
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| Publication Number | Publication Date |
|---|---|
| CN110977785A true CN110977785A (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911338077.9A Pending CN110977785A (en) | 2019-12-23 | 2019-12-23 | High-precision blade abrasive fluid surface polishing strengthening equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113103070A (en) * | 2021-03-05 | 2021-07-13 | 华南理工大学 | Method for machining microgrooves by shearing, thickening and abrasive flow combined grinding |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102327683A (en) * | 2011-07-27 | 2012-01-25 | 江苏中瑞电保智能装备有限公司 | Embedded nozzle |
| CN203899516U (en) * | 2014-05-21 | 2014-10-29 | 芜湖长信科技股份有限公司 | Polished barrel for storing grinding fluid |
| CN104308745A (en) * | 2014-09-02 | 2015-01-28 | 黄文侃 | Jet flow grinding technology for processing metal vehicle wheel hub surface |
| CN107385174A (en) * | 2017-08-28 | 2017-11-24 | 苏州热工研究院有限公司 | A kind of apparatus and method strengthened using cavitating water jet to material surface |
| CN108544379A (en) * | 2018-04-27 | 2018-09-18 | 长春理工大学 | A kind of processing unit (plant) of solid-liquid two-phase abrasive flows polishing calibre-changeable pipe orifice |
| CN108818320A (en) * | 2018-06-26 | 2018-11-16 | 江苏大学 | It is a kind of for blade deburring and the water jet device of shot-peening |
| CN109093247A (en) * | 2018-08-21 | 2018-12-28 | 江苏大学 | A kind of device and method for realizing laser cavitation high-efficient rust-removing paint removal |
-
2019
- 2019-12-23 CN CN201911338077.9A patent/CN110977785A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102327683A (en) * | 2011-07-27 | 2012-01-25 | 江苏中瑞电保智能装备有限公司 | Embedded nozzle |
| CN203899516U (en) * | 2014-05-21 | 2014-10-29 | 芜湖长信科技股份有限公司 | Polished barrel for storing grinding fluid |
| CN104308745A (en) * | 2014-09-02 | 2015-01-28 | 黄文侃 | Jet flow grinding technology for processing metal vehicle wheel hub surface |
| CN107385174A (en) * | 2017-08-28 | 2017-11-24 | 苏州热工研究院有限公司 | A kind of apparatus and method strengthened using cavitating water jet to material surface |
| CN108544379A (en) * | 2018-04-27 | 2018-09-18 | 长春理工大学 | A kind of processing unit (plant) of solid-liquid two-phase abrasive flows polishing calibre-changeable pipe orifice |
| CN108818320A (en) * | 2018-06-26 | 2018-11-16 | 江苏大学 | It is a kind of for blade deburring and the water jet device of shot-peening |
| CN109093247A (en) * | 2018-08-21 | 2018-12-28 | 江苏大学 | A kind of device and method for realizing laser cavitation high-efficient rust-removing paint removal |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113103070A (en) * | 2021-03-05 | 2021-07-13 | 华南理工大学 | Method for machining microgrooves by shearing, thickening and abrasive flow combined grinding |
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Application publication date: 20200410 |