CN204485738U - Wheel online magnetic powder inspection magnetic flaw detection ink mixed stirring device - Google Patents
Wheel online magnetic powder inspection magnetic flaw detection ink mixed stirring device Download PDFInfo
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- CN204485738U CN204485738U CN201420767339.XU CN201420767339U CN204485738U CN 204485738 U CN204485738 U CN 204485738U CN 201420767339 U CN201420767339 U CN 201420767339U CN 204485738 U CN204485738 U CN 204485738U
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- endless tube
- agitator
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Abstract
The utility model discloses a kind of wheel online magnetic powder inspection magnetic flaw detection ink mixed stirring device, belong to the annex of magnaflux.The agitator of this device is provided with takes out material hole, return port, spout hole, and bucket wall inner ring establishes the deflection plate in band baffling hole, and bucket wall and deflection plate form baffling chamber, and the return port on bucket wall connects with baffling chamber and communicates; The unidirectional quantitative hydraulic pump of liquid stream rabbling mechanism is taken out through valve, pipeline and agitator respectively and is expected that hole, return port, spout hole and spraying mechanism connect and communicate; The air inlet pipe of Gas Stirring mechanism stretches into bottom by agitator central axis and is connected with endless tube, and the endless tube of band venthole is fixed on agitator bottom inside.Advantage is that this device adopts liquid backflow mechanism to combine with pneumatic stirring mechanism, and the baffling hole of magnetic flaw detection ink on deflection plate, forms spraying liquid stream, improves the turbulent extent of magnetic flaw detection ink; The endless tube of pneumatic stirring mechanism forms ascending air bottom agitator, offsets the autoprecipitation of magnetic, and magnetic consumption reduces, and the accuracy of testing result is high.
Description
Technical field
The utility model belongs to the annex of magnaflux, particularly relates to a kind of wheel online magnaflux magnetic flaw detection ink agitating device.
Background technology
After train wheel fine finishining, detection line is needed to carry out magnetic particle testing by magnaflux.After magnaflux utilizes magnetization, ferrimagnet deforms at the fault location magnetic line of force on surface or nearly surface, effusion wheel surface forms detectable stray field, stray field attracts magnetic, thus at fault location magnetism powder accumulation, form magnetic trace, under suitable illumination condition, show position and the shape of defect.For ensureing detection sensitivity and detection efficiency, magnaflux uses fluorescent magnetic suspension to detect with continuity method, the precipitating concentration of magnetic flaw detection ink is the key index ensureing detection sensitivity, too high concentration causes contrast too high, and impact detects to be observed, and too low concentration causes the sharply decline of sensitivity, tiny defect is difficult to find, therefore magnaflux before use, needs to stir at least 20 minutes magnetic flaw detection ink in advance, guarantees the uniformity of Particle content.At present, the magnetcisuspension of magnaflux is stirred by flow agitating apparatus or mechanical stirring device.
Magnetic flaw detection ink flow agitating apparatus is made up of agitator, hydraulic pump, pipeline, and hydraulic pump is fixed on agitator, and bottom agitator, side is established and taken out material hole, and return port is established at middle part, and pipeline connects takes out material hole, hydraulic pump and return port.Problems existing is after hydraulic pump extracts magnetic flaw detection ink, magnetic flaw detection ink directly flows back to staving through backflow, cause in staving to be formed locally to stir even to exist and stir blind area, magnetic flaw detection ink stirs uneven, magnetic settling velocity is too fast, cause magnetic flaw detection ink precipitating concentration such as 0.3ml/100ml when succeeding calibration to drop to 0.1ml/100ml interval in operation after 30 minutes, a large amount of magnetics is deposited to bottom agitator and cannot uses, and has a strong impact on on-line checkingi sensitivity; For ensureing the sensitivity detected, need to add a large amount of magnetic, cause magnetic to waste serious, production cost increases.
Magnetic flaw detection ink mechanical stirring device is made up of agitator, shaft, motor and speed reducer, and motor connects reductor, the output shaft connection shaft of reductor forms entirety and is placed in above agitator, and shaft stretches in agitator.Problems existing makes tangential circular motion because shaft rotarily drives fluid, forms eddy current, cause turbulent extent not high, and magnetic flaw detection ink stirs uneven; Due to the effect of centrifugal force, cause magnetic to be separated with fluorescent dye, affect the quality of magnetic, and then affect testing result.
Utility model content
In order to overcome the defect of prior art, the purpose of this utility model is to provide a kind of wheel online magnetic powder inspection magnetic flaw detection ink mixed stirring device, alter flows to, reduce centrifugal force, avoid the precipitation that magnetic is too much, reduce magnetic consumption, be dispersed in making dispersed-powder in dispersant, reduce production cost, ensure testing result.
Wheel online magnetic powder inspection magnetic flaw detection ink mixed stirring device, be characterized in that this device is connected and composed by agitator, liquid stream rabbling mechanism and gas rabbling mechanism, described agitator is provided with takes out material hole, return port, spout hole, bucket wall inner ring establishes the deflection plate in band baffling hole, bucket wall and deflection plate form baffling chamber, and the return port on bucket wall connects with baffling chamber and communicates; The unidirectional quantitative hydraulic pump of liquid stream rabbling mechanism is expected that hole, return port, spout hole and spraying mechanism connect communicate through valve, being taken out of pipeline and agitator respectively; The Gas Stirring mechanism be made up of air inlet pipe and endless tube is located in agitator, and air inlet pipe stretches into bottom by agitator central axis and is connected with endless tube, and the endless tube of band venthole is fixed on agitator bottom inside.
The utility model improves further, described liquid stream rabbling mechanism is by unidirectional quantitative hydraulic pump, two position, three-way electromagnetic change valve, first flow speed control valve, second flow speed control valve and pipeline connect and compose, unidirectional quantitative hydraulic pump to be fixed on outside agitator and to be expected that hole connects by drain pipe and communicate with taking out, unidirectional quantitative hydraulic pump export mixes two bye-pass, first pipeline is connected and composed by the first flow speed control valve and two position, three-way electromagnetic change valve, two position, three-way electromagnetic change valve is established discharging port A and discharging opening B, discharging port A is for cleaning the waste liquid outlet of agitating device, discharging opening B is connected with spraying mechanism, second pipeline is connected and composed by the second flow speed control valve and return duct, and return duct is connected with the return port on agitator, and magnetic flaw detection ink stirs up and down through acting in agitator of liquid stream rabbling mechanism, eliminates liquid flow short-circuit phenomenon, improves the turbulent extent of magnetic flaw detection ink.
The utility model improves further, described Gas Stirring mechanism is connected and composed by air inlet pipe, the first endless tube, the second endless tube, the 3rd endless tube, tube connector, the diameter of the 3rd endless tube and the internal diameter of agitator adapt, first endless tube, the second endless tube, the 3rd endless tube concentric uniform distribute and are welded on agitator bottom inside, air inlet pipe is connected with the first endless tube, and the second endless tube is connected with the first endless tube, the 3rd endless tube respectively by tube connector; Venthole vertically upward all established by first endless tube, the second endless tube, the 3rd endless tube, and its quantity is at least 8,12,16 respectively, and endless tube forms ascending air bottom agitator, offsets the autoprecipitation of magnetic.
The utility model improves further, described deflection plate is made up of transverse slat and riser, riser cylindrically, external diameter is less than the internal diameter 5-8mm of agitator, riser middle and lower part radial direction all establishes three circle baffling holes, and often enclose baffling hole and be at least four, the central axis in baffling hole is obliquely and horizontal by 30 ° of angles, magnetic flaw detection ink jet velocity is fast, stroke is long, strengthens magnetic flaw detection ink and stirs up and down; Transverse slat is circular, and outer rim is closely welded with agitator wall, and inner edge is closely welded with riser, makes deflection plate and bucket wall form an airtight chamber.
The utility model improves further, and described unidirectional quantitative hydraulic delivery side of pump establishes the backflow branch road be made up of overflow valve and overflow pipe, and overflow pipe connects with spout hole and communicates, and stablizes the outlet pressure of unidirectional quantitative hydraulic pump, ensures the safe operation of liquid backflow mechanism.
The utility model improves further, and the internal diameter of described first endless tube, the second endless tube, the 3rd endless tube is 14mm, and external diameter is 16mm.
The utility model improves further, and the diameter of described venthole is 4mm.
The utility model improves further, and the diameter in described baffling hole is 4mm.
During use, in agitator, add magnetic and dispersant, the second flow speed control valve is tuned up, make magnetic flaw detection ink reach even fast, save mixing time; When after spray system work, open source of the gas, pneumatic stirring mechanism works, and the concentration according to magnetic flaw detection ink suitably regulates the second flow speed control valve, is distributed in making dispersed-powder in dispersant; According to the size of workpiece to be detected, suitably regulate the first flow speed control valve, make spraying effect reach best.
Compared with prior art, advantage is novel, and structure letter is gathered, rationally; This device adopts liquid backflow mechanism to combine with pneumatic stirring mechanism, and the baffling hole of magnetic flaw detection ink on deflection plate forms spraying liquid stream, alter flows to, and stirs up and down in agitator, eliminates liquid flow short-circuit phenomenon, improve the turbulent extent of magnetic flaw detection ink, reduce centrifugal force; The endless tube of pneumatic stirring mechanism forms ascending air bottom agitator, offsets the autoprecipitation of magnetic, and magnetic consumption reduces, and is dispersed in dispersant dispersed-powder, and production cost reduces, and the accuracy of testing result is high.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further illustrated.
Fig. 1 is the structural representation of wheel online magnetic powder inspection magnetic flaw detection ink mixed stirring device;
Fig. 2 is that Fig. 1 is along A-A line sectional view;
Fig. 3 is the I portion enlarged drawing of Fig. 2;
Fig. 4 is that Fig. 3 is along B-B line sectional view;
Fig. 5 is the II portion enlarged drawing of Fig. 2;
Fig. 6 is that Fig. 5 is along C-C line sectional view.
In figure: 1-agitator, 101-deflection plate, 102-baffling chamber, 103-return port, 104-takes out material hole, 105-baffling hole, 106-spout hole, 2-liquid backflow mechanism, 201-two position, three-way electromagnetic change valve, 202-first flow speed control valve, 203-second flow speed control valve, the unidirectional quantitative hydraulic pump of 204-, 205-drain pipe, 206-return duct, 207-overflow valve, 208-overflow pipe, 3-pneumatic stirring mechanism, 301-air inlet pipe, 302-first endless tube, 303-second endless tube, 304-the 3rd endless tube, 305-tube connector, 306-venthole, 4-spraying mechanism.
Detailed description of the invention
Below in conjunction with embodiment to the utility model row detailed description further.
As can be seen from Fig. 1 to 6, wheel online magnetic powder inspection magnetic flaw detection ink mixed stirring device, this device is connected and composed by agitator 1, liquid stream rabbling mechanism 2 and gas rabbling mechanism 3, described agitator is provided with takes out material hole 104, return port 103, spout hole 106, bucket wall inner ring establishes the deflection plate 101 in band baffling hole 105, bucket wall and deflection plate form baffling chamber 102, and the return port on bucket wall connects with baffling chamber and communicates; The unidirectional quantitative hydraulic pump 204 of liquid stream rabbling mechanism is expected that hole, return port, spout hole and spraying mechanism 4 connect communicate through valve, being taken out of pipeline and agitator respectively; By air inlet pipe 301 and endless tube (302; 303; 304) the Gas Stirring mechanism formed is located in agitator, and air inlet pipe stretches into bottom by agitator central axis and is connected with endless tube, and the endless tube of band venthole 306 is fixed on agitator bottom inside.
Be it can also be seen that by Fig. 1, described liquid stream rabbling mechanism 2 is by unidirectional quantitative hydraulic pump 204, two position, three-way electromagnetic change valve 201, first flow speed control valve 202, second flow speed control valve 203 and pipeline connect and compose, unidirectional quantitative hydraulic pump to be fixed on outside agitator and to be expected that hole 104 connects by drain pipe 205 and communicate with taking out, unidirectional quantitative hydraulic pump export mixes two bye-pass, first pipeline is connected and composed by the first flow speed control valve and two position, three-way electromagnetic change valve, two position, three-way electromagnetic change valve is established discharging port A and discharging opening B, discharging port A is for cleaning the waste liquid outlet of agitating device, discharging opening B is connected with spraying mechanism 4, second pipeline is connected and composed by the second flow speed control valve and return duct 206, and return duct is connected with the return port 103 on agitator 1, and magnetic flaw detection ink stirs up and down through acting in agitator of liquid stream rabbling mechanism, eliminates liquid flow short-circuit phenomenon, improves the turbulent extent of magnetic flaw detection ink.
Be it can also be seen that by Fig. 1,2, described Gas Stirring mechanism 3 is connected and composed by air inlet pipe 301, first endless tube 302, second endless tube 303, the 3rd endless tube 304, tube connector 305, first endless tube, the second endless tube, the 3rd endless tube are copper endless tube, internal diameter is 14mm, external diameter is 16mm, the diameter of the 3rd endless tube and the internal diameter of agitator 1 adapt, first endless tube, the second endless tube, the 3rd endless tube concentric uniform distribute and are welded on agitator bottom inside, air inlet pipe is connected with the first endless tube, and the second endless tube is connected with the first endless tube, the 3rd endless tube respectively by tube connector; Venthole 306 vertically upward all established by first endless tube, the second endless tube, the 3rd endless tube, and the diameter of venthole is 4mm, and its quantity is at least eight, 12,16 respectively, and endless tube forms ascending air bottom agitator, offsets the autoprecipitation of magnetic.
Be it can also be seen that by Fig. 1 to 4, described deflection plate 101 is made up of transverse slat and riser, riser cylindrically, external diameter is less than the internal diameter 5-8mm of agitator 1, and riser middle and lower part radial direction all establishes three circle baffling holes 105, and the diameter in baffling hole is 4mm, often enclose baffling hole and be at least four, the central axis in baffling hole obliquely and horizontal by 30 ° of angles, magnetic flaw detection ink jet velocity is fast, stroke is long, strengthens magnetic flaw detection ink and stirs up and down; Transverse slat is circular, and outer rim is closely welded with agitator wall, and inner edge is closely welded with riser, makes deflection plate and bucket wall form an airtight chamber.
Be it can also be seen that by Fig. 1, the backflow branch road be made up of overflow valve 207 and overflow pipe 208 is established in the outlet of described unidirectional quantitative hydraulic pump 204, overflow pipe connects with spout hole 106 and communicates, and stablizes the outlet pressure of unidirectional quantitative hydraulic pump, ensures the safe operation of liquid backflow mechanism.
Claims (8)
1. wheel online magnetic powder inspection magnetic flaw detection ink mixed stirring device, it is characterized in that this device is connected and composed by agitator (1), liquid stream rabbling mechanism (2) and gas rabbling mechanism (3), described agitator is provided with takes out material hole (104), return port (103), spout hole (106), bucket wall inner ring establishes the deflection plate (101) of band baffling hole (105), bucket wall and deflection plate form baffling chamber (102), and the return port on bucket wall connects with baffling chamber and communicates; The unidirectional quantitative hydraulic pump (204) of liquid stream rabbling mechanism is expected that hole, return port, spout hole and spraying mechanism (4) connect communicate through valve, being taken out of pipeline and agitator respectively; By air inlet pipe (301) and endless tube (302; 303; 304) the Gas Stirring mechanism formed is located in agitator, and air inlet pipe stretches into bottom by agitator central axis and is connected with endless tube, and the endless tube of band venthole (306) is fixed on agitator bottom inside.
2. wheel according to claim 1 online magnetic powder inspection magnetic flaw detection ink mixed stirring device, it is characterized in that described liquid stream rabbling mechanism (2) is by unidirectional quantitative hydraulic pump (204), two position, three-way electromagnetic change valve (201), first flow speed control valve (202), second flow speed control valve (203) and pipeline connect and compose, unidirectional quantitative hydraulic pump to be fixed on outside agitator and to be expected that hole (104) connects by drain pipe (205) and communicate with taking out, unidirectional quantitative hydraulic pump export mixes two bye-pass, first pipeline is connected and composed by the first flow speed control valve and two position, three-way electromagnetic change valve, two position, three-way electromagnetic change valve is established discharging port A and discharging opening B, discharging port A is for cleaning the waste liquid outlet of agitating device, discharging opening B is connected with spraying mechanism (4), second pipeline is connected and composed by the second flow speed control valve and return duct (206), and return duct is connected with the return port (103) on agitator (1).
3. wheel according to claim 1 online magnetic powder inspection magnetic flaw detection ink mixed stirring device, it is characterized in that described Gas Stirring mechanism (3) is by air inlet pipe (301), first endless tube (302), second endless tube (303), 3rd endless tube (304), tube connector (305) connects and composes, the diameter of the 3rd endless tube and the internal diameter of agitator (1) adapt, first endless tube, second endless tube, 3rd endless tube concentric uniform distributes and is welded on agitator bottom inside, air inlet pipe is connected with the first endless tube, second endless tube by tube connector respectively with the first endless tube, 3rd endless tube connects, first endless tube, the second endless tube, the 3rd endless tube are all established venthole (306) vertically upward, its quantity is at least eight, 12,16 respectively.
4. the wheel online magnetic powder inspection magnetic flaw detection ink mixed stirring device according to claim 1 or 2 or 3, it is characterized in that described deflection plate (101) is made up of transverse slat and riser, riser cylindrically, external diameter is less than the internal diameter 5-8mm of agitator (1), riser middle and lower part radial direction all establishes three circle baffling holes (105), often enclose baffling hole and be at least four, the central axis in baffling hole is obliquely and horizontal by 30 ° of angles; Transverse slat is circular, and outer rim is closely welded with agitator wall, and inner edge is closely welded with riser, makes deflection plate and bucket wall form an airtight chamber.
5. wheel according to claim 2 online magnetic powder inspection magnetic flaw detection ink mixed stirring device, it is characterized in that the backflow branch road be made up of overflow valve (207) and overflow pipe (208) is established in the outlet of described unidirectional quantitative hydraulic pump (204), overflow pipe connects with spout hole (106) and communicates.
6. wheel according to claim 3 online magnetic powder inspection magnetic flaw detection ink mixed stirring device, it is characterized in that described first endless tube (302), the second endless tube (303), the 3rd endless tube (304) internal diameter be 14mm, external diameter is 16mm.
7. the online magnetic powder inspection magnetic flaw detection ink of the wheel according to claim 3 or 6 mixed stirring device, is characterized in that the diameter of described venthole (306) is 4mm.
8. wheel according to claim 4 online magnetic powder inspection magnetic flaw detection ink mixed stirring device, is characterized in that the diameter of described baffling hole (105) is 4mm.
Priority Applications (1)
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CN201420767339.XU CN204485738U (en) | 2014-12-09 | 2014-12-09 | Wheel online magnetic powder inspection magnetic flaw detection ink mixed stirring device |
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CN201420767339.XU CN204485738U (en) | 2014-12-09 | 2014-12-09 | Wheel online magnetic powder inspection magnetic flaw detection ink mixed stirring device |
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CN201420767339.XU Withdrawn - After Issue CN204485738U (en) | 2014-12-09 | 2014-12-09 | Wheel online magnetic powder inspection magnetic flaw detection ink mixed stirring device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104437211A (en) * | 2014-12-09 | 2015-03-25 | 马钢(集团)控股有限公司 | Magnetic suspension mixing and stirring device for online magnetic powder inspection of wheels |
CN106390651A (en) * | 2016-06-08 | 2017-02-15 | 福建铁拓机械有限公司 | Integrated tail gas and waste powder treating apparatus of complete set of equipment for regeneration and stirring of asphalt |
-
2014
- 2014-12-09 CN CN201420767339.XU patent/CN204485738U/en not_active Withdrawn - After Issue
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104437211A (en) * | 2014-12-09 | 2015-03-25 | 马钢(集团)控股有限公司 | Magnetic suspension mixing and stirring device for online magnetic powder inspection of wheels |
CN104437211B (en) * | 2014-12-09 | 2017-01-11 | 马钢(集团)控股有限公司 | Magnetic suspension mixing and stirring device for online magnetic powder inspection of wheels |
CN106390651A (en) * | 2016-06-08 | 2017-02-15 | 福建铁拓机械有限公司 | Integrated tail gas and waste powder treating apparatus of complete set of equipment for regeneration and stirring of asphalt |
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Granted publication date: 20150722 Effective date of abandoning: 20170111 |