CN105689703A - Rare earth permanent magnetic powder precise supply and feeding system - Google Patents
Rare earth permanent magnetic powder precise supply and feeding system Download PDFInfo
- Publication number
- CN105689703A CN105689703A CN201610155451.1A CN201610155451A CN105689703A CN 105689703 A CN105689703 A CN 105689703A CN 201610155451 A CN201610155451 A CN 201610155451A CN 105689703 A CN105689703 A CN 105689703A
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- powder
- powder box
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- rare earth
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/004—Filling molds with powder
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
Abstract
The invention provides a rare earth permanent magnetic powder precise supply and feeding system and belongs to the technical field of neodymium-iron-boron rare earth permanent magnet forming equipment. The system comprises a weighing shovel, a conical feeding hopper, an organic hose, a powder adding box, a horizontal guide rail, a powder adding box pushing and pulling device and an electrical control system. The rare earth permanent magnetic powder precise supply and feeding system is simple and reasonable in structure and high in automation degree. When the system is used for oriented forming, precise weighing and filling of magnetic powder required by magnetic block blank can be guaranteed, labor intensity of workers is reduced, and practicality is good.
Description
Technical field
The invention provides a kind of rare earth permanent-magnet powder accurately supply powder and send hello powder system, belong to Fe-B rare-earth permanent magnet former technical field。
Background technology
Magnetic field orientating molding is an important production link of sintered NdFeB industry, the mode of operation of hand stock after most employing automatic weighing in current commercial production。Hand stock is inefficient, require significantly high to operative's proficiency, and the dangerous property of operating process。Realize magnetic powder accurately supply powder and automatically send feeding, will greatly improve automaticity and the production efficiency of die mould process。
Summary of the invention
The efficiency that the invention aims to improve present hand stock is low, the problem of poor accuracy, it is proposed that a kind of rare earth permanent-magnet powder is accurately for powder and send and feed powder system。
It is an object of the invention to be achieved through the following technical solutions:
A kind of rare earth permanent-magnet powder, accurately for powder and send and feed powder system, including weighing shovel, taper loading hopper, organic flexible pipe, adds powder box, horizontal guide rail, adds powder box and push and retracting device and electric control system。Magnetic powder after weighing adds weighing shovel, and taper loading hopper is positioned at below weighing shovel discharge end, it is simple to magnetic powder pours into taper loading hopper top end opening from weighing shovel。Add powder box to be fixed on and add on powder box fixed mount, when add powder box be positioned at keep out of the way time, organic flexible pipe is positioned in vertical direction and adds directly over powder box charging aperture。Add powder box when being positioned at die-filling position, add powder box discharging opening and be positioned at directly over cavity space mouth。Horizontal guide rail plane is suitable for reading higher than cavity space, and is perpendicular to alignment magnetic field direction。Wherein:
The material of described weighing shovel is polishing metallic plate, and its rear end handle portion connects the first cylinder and displacement transducer, and its discharge end bottom is connected with supporting plate by eyenut and rotating shaft。
The top end opening place of described taper loading hopper is charging aperture, is positioned at weighing shovel lower section；The bottom end opening of taper loading hopper, opening part connects organic flexible pipe, is provided with pneumatic vibrator outside taper loading hopper。
The described powder box that adds adding that powder box is fixed on that the second cylinder or micro servo motor control pushes and inside retracting device, mounting means is detachable。After adding powder box arrival retreating position, described organic flexible pipe end opening is positioned at and adds directly over powder box charging aperture。It is rectangular horn-like for adding powder box lower end discharging opening, discharge port end actinal surface is best bright finish face, discharging opening extenal fixation has the sealing cleaning doctor that a circle polyurethane material makes, making to add that powder box discharging opening is seamless with guide pass to be contacted by sealing cleaning doctor, its long edge lengths is slightly less than former orientation bit width。Shaking device is electromagnetic vibrator, is installed on and adds outside powder box。Preferably, described in add the size of powder box and can adjust according to the change of pressing under magnetic field position cavity dimension, described various sizes of powder box has and adds the identical propelling movement of powder box and retracting device attachment structure, it is ensured that changes at any time and adds powder box。
The described powder box that adds pushes and retracting device mainly includes the second cylinder and add powder box fixed mount, and adding powder box fixed mount material is non-magnetic rustless steel。Adding powder box fixed mount and the second cylinder piston plate to be connected, the second cylinder can drive and add powder box and move back and forth, and will add powder box and be close to guide level, it is prevented that powder spills。Preferably, described second cylinder is replaced by servomotor, is driven by drive rod and adds powder box and move reciprocatingly between position in die-filling position and keeping out of the way。Realize digitized speed governing by servo-drive, when adding powder box and arriving above former, short distance shake can be carried out or rock, contribute to magnetic powder uniform in the filling of cavity space。
Described electric control system includes information acquisition module and PLC controls module, and at horizontal guide rail place equipped with position sensor, the signal of position sensor is input in information acquisition module, it is achieved add the die-filling position of powder box and the collection keeping out of the way an information。The driving of described vibrator, cylinder or motor is controlled module by PLC and controls。
Described weighing shovel, taper loading hopper, adding powder box and add powder box and push and retracting device installation position displacement sensor or grating scale, sensor or grating scale gather signal and are connected into information acquisition module。Cylinder solenoid valve, motor servo circuit and vibrator control valve and connect PLC control module。
Described rare earth permanent-magnet powder accurately supplies powder and the slave part sending feed system to be pressing under magnetic field press, alignment magnetic field coil is positioned at guide rail both sides, guide level leaves square hole at cavity space upper area, after reinforced, add powder box to be back to and keep out of the way position, add powder box and guide rail all moves up and down without influence on diel。
Work process
Annexation: the magnetic powder after weighing adds weighing shovel, taper loading hopper is positioned at below weighing shovel discharge end, it is simple to magnetic powder pours into taper loading hopper top end opening from weighing shovel。Add powder box to be fixed on and add on powder box fixed mount, when add powder box be positioned at keep out of the way time, organic flexible pipe is positioned in vertical direction and adds directly over powder box charging aperture。Add powder box when being positioned at die-filling position, add powder box discharging opening and be positioned at directly over cavity space mouth。Horizontal guide rail plane is suitable for reading higher than cavity space, and is perpendicular to alignment magnetic field direction。Specific works process is as follows:
The first step: the first cylinder is initially and stretches out state, weighing shovel is positioned at above automatic powder measuring machine pressure transducer, after the magnetic powder added in weighing shovel reaches the weight set, first cylinder shrinks and drives weighing shovel hand to lift up, weighing shovel rotates clockwise with port of export eyenut and rotating shaft connecting portion for axle, is poured onto by magnetic powder in the taper loading hopper of lower section。
Second step: add powder box initial bit for keeping out of the way position, add that powder box is suitable for reading to be positioned at immediately below the organic flexible pipe of taper loading hopper, in taper loading hopper, magnetic powder falls into and adds powder box, the pneumatic vibrator that taper loading hopper installs additional simultaneously starts vibrations, magnetic powder is avoided to adhere to taper loading hopper and hose inner wall, it is ensured that weighed magnetic powder falls completely within and adds in powder box。
3rd step: with add the second cylinder that powder box is connected or servomotor starts driving and adds powder box along horizontal guide rail by keeping out of the way position to die-filling position straight ahead。Horizontal guide rail place is equipped with position sensor。In adding powder box advance process, add powder box and the close contact of horizontal guide rail plane, seal cleaning doctor and guarantee that magnetic powder will not be revealed。Arriving horizontal guide rail square hole when adding powder box, namely during die-filling position, namely magnetic powder falls into cavity space from adding the rectangular loudspeaker charge door in powder box lower end。Add the electromagnetic vibrator installed additional on powder box simultaneously and start vibration。Preferably, when driving device is servomotor, can drive and add powder box and above cavity space, do short distance move back and forth, it is ensured that in die cavity, magnetic powder is filled uniformly。Numeric Control Technology is coordinated can conveniently to realize different filling amount and the complicated acceleration and deceleration motion of different size blank raw material filling。
4th step: add after powder completes, and adds the second cylinder that powder box is connected or servomotor starts driving and adds powder box and return to keeping out of the way position by die-filling position along horizontal guide rail。Magnetic field orientating moulding press starts magnetic powder in die cavity is carried out oriented moulding, and automatic powder measuring machine starts toward claiming powder quantitatively to add magnetic powder in shoveling simultaneously。Repeat above step。
Beneficial effect
In sum, the invention provides a kind of rare earth permanent-magnet powder accurately supply powder and send hello powder system。This system structure advantages of simple, automaticity is higher；When using this system to carry out oriented moulding, it is possible to ensure accurately weighing and loading of magnetic powder needed for magnetic piece blank, reduce the labor intensity of workman, there is good practicality。Specific as follows:
Magnetic powder after weighing adds in weighing shovel, coordinates the upset realizing weighing shovel to feed in raw material by the first cylinder with eyenut and rotating shaft。Ensure that powder accurately falls into by taper loading hopper and organic flexible pipe and add powder box, and install vibrator additional and prevent magnetic powder from adhering to taper bucket and hose inner wall。By installing sealing cleaning doctor additional adding powder box bottom face, it is filled with slip gap, it is to avoid the leakage of powder and waste in propelling movement process。Pushed by the second cylinder or servomotor and retracted and add powder box, it is achieved that the purpose that magnetic powder is quantitatively carried。Whole system realizes PLC and automatically controls, it is ensured that the accuracy of process and controllability。
Accompanying drawing explanation
Fig. 1 is structural representation provided by the invention；
Fig. 2 provided by the invention adds powder box sectional view；
Fig. 3 is guide rail structure schematic diagram provided by the invention；
Fig. 4 is that the powder box that adds provided by the invention pushes and retracting device front view；
Fig. 5 is that the powder box that adds provided by the invention pushes and retracting device side view；
Fig. 6 is that the powder box that adds provided by the invention pushes and retracting device top view。
Accompanying drawing labelling: 1-1. the first cylinder, 1-2. weighing is shoveled, 2-1. taper loading hopper, the organic flexible pipe of 2-2., 2-3. pneumatic vibrator, 3-1. adds powder box, and 3-2. seals cleaning doctor, 4. the second cylinder (or servomotor), 5. add powder box fixed mount, 6-1. horizontal guide rail, 6-2. position sensor。
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention will be further described。
A kind of rare earth permanent-magnet powder accurately supplies powder and send hello powder system, owing to rare earth permanent-magnet powder exists easily oxidation, will have a strong impact on the performance of prepared magnet during too high oxygen level。Therefore in best embodiment, magnetic field orientating shaped device and native system need to be placed in atmosphere of inert gases。During as being exposed to operation in atmospheric atmosphere, the magnetic powder before pressing process need to be added antioxidant, to stop magnetic powder over oxidation。
It is positioned at below weighing shovel 1-2 discharge end as it is shown in figure 1, the magnetic powder after weighing adds described weighing shovel 1-2, described taper loading hopper 2-1, it is simple to magnetic powder shovels 1-2 from weighing and pours into taper loading hopper 2-1 top end opening。The described powder box 3-1 that adds is fixed on and adds on powder box fixed mount 5, when add powder box 3-1 be positioned at keep out of the way time, described organic flexible pipe 2-2 is positioned in vertical direction and adds directly over powder box 3-1 charging aperture。The described powder box 3-1 that adds when being positioned at die-filling position, adds powder box 3-1 discharging opening and is positioned at directly over cavity space mouth。Described horizontal guide rail place 6-1 plane is suitable for reading higher than cavity space, and is perpendicular to alignment magnetic field direction。
The first step: the first cylinder 1-1 is initially and stretches out state, described weighing shovel 1-2 is positioned at above automatic powder measuring machine pressure transducer, after the magnetic powder added in weighing shovel 1-2 reaches the weight set, first cylinder 1-1 shrinks and drives weighing shovel 1-2 handle portion to lift up, weighing shovel 1-2 rotates clockwise with port of export eyenut and rotating shaft connecting portion for axle, is poured onto by magnetic powder in the taper loading hopper 2-1 of lower section。
Second step: as shown in Figure 2, add powder box 3-1 initial bit for keeping out of the way position, add that powder box 3-1 is suitable for reading to be positioned at immediately below the organic flexible pipe 2-2 of taper loading hopper 2-1, in taper loading hopper 2-1, magnetic powder falls into and adds powder box 3-1, the pneumatic vibrator 2-3 that taper loading hopper 2-1 installs additional simultaneously starts vibrations, magnetic powder is avoided to adhere to taper loading hopper 2-1 and flexible pipe 2-2 inwall, it is ensured that weighed magnetic powder falls completely within and adds in powder box 3-1。
3rd step: with add powder box 3-1 the second cylinder 4 being connected or servomotor starts driving and adds powder box 3-1 along horizontal guide rail place 6-1 by keeping out of the way position to die-filling position straight ahead, horizontal guide rail 6-1 place is equipped with position sensor 6-2, as shown in Figure 3。In adding powder box 3-1 advance process, add powder box 3-1 and the close contact of horizontal guide rail 6-1 place plane, seal cleaning doctor 3-2 and guarantee that magnetic powder will not be revealed。Arriving horizontal guide rail 6-1 place square hole when adding powder box 3-1, namely during die-filling position, namely magnetic powder falls into cavity space from adding the rectangular loudspeaker charge door in powder box 3-1 lower end。Add the electromagnetic vibrator installed additional on powder box 3-1 simultaneously and start vibration。Preferably, when driving device is servomotor, can drive and add powder box 3-1 and above cavity space, do short distance move back and forth, it is ensured that in die cavity, magnetic powder is filled uniformly。Numeric Control Technology is coordinated can conveniently to realize different filling amount and the complicated acceleration and deceleration motion of different size blank raw material filling。Add powder box to push with retracting device as shown in Figure 4,5, 6。
4th step: add after powder completes, and adds powder box 3-1 the second cylinder 4 being connected or servomotor starts driving and adds powder box 3-1 and return to keeping out of the way position by die-filling position along horizontal guide rail 6-1 place。Magnetic field orientating moulding press starts magnetic powder in die cavity is carried out oriented moulding, and automatic powder measuring machine starts toward claiming powder quantitatively to add magnetic powder in shoveling simultaneously。Repeat above step。
In sum, the invention provides a kind of rare earth permanent-magnet powder accurately supply powder and send hello powder system。This system structure advantages of simple, automaticity is higher；When using this system to carry out oriented moulding, it is possible to ensure accurately weighing and loading of magnetic powder needed for magnetic piece blank, reduce the labor intensity of workman, there is good practicality。
Claims (8)
1. a rare earth permanent-magnet powder accurately supplies powder and send hello powder system, it is characterised in that: include weighing shovel, taper loading hopper, organic flexible pipe, add powder box, horizontal guide rail, add powder box propelling movement and retracting device and electric control system；Magnetic powder after weighing adds weighing shovel, and taper loading hopper is positioned at below weighing shovel discharge end；Add powder box to be fixed on and add on powder box fixed mount, when add powder box be positioned at keep out of the way time, organic flexible pipe is positioned in vertical direction and adds directly over powder box charging aperture；Add powder box when being positioned at die-filling position, add powder box discharging opening and be positioned at directly over cavity space mouth；Horizontal guide rail plane is suitable for reading higher than cavity space, and is perpendicular to alignment magnetic field direction。
2. a kind of rare earth permanent-magnet powder according to claim 1 accurately supplies powder and send hello powder system, it is characterized in that: the material of described weighing shovel is polishing metallic plate, its rear end handle portion connects the first cylinder and displacement transducer, and its discharge end bottom is connected with supporting plate by eyenut and rotating shaft。
3. a kind of rare earth permanent-magnet powder according to claim 1 accurately supplies powder and send hello powder system, it is characterised in that: the top end opening place of described taper loading hopper is charging aperture, is positioned at weighing shovel lower section；The bottom end opening of taper loading hopper, opening part connects organic flexible pipe, is provided with pneumatic vibrator outside taper loading hopper。
4. a kind of rare earth permanent-magnet powder according to claim 1 is accurately for powder and send and feed powder system, it is characterised in that: described in add powder box and be fixed on the second cylinder or micro servo motor controls adds powder box and push and inside retracting device, mounting means is detachable；After adding powder box arrival retreating position, described organic flexible pipe end opening is positioned at and adds directly over powder box charging aperture；It is rectangular horn-like for adding powder box lower end discharging opening, discharge port end actinal surface is best bright finish face, discharging opening extenal fixation has the sealing cleaning doctor that a circle polyurethane material makes, making to add that powder box discharging opening is seamless with guide pass to be contacted by sealing cleaning doctor, its long edge lengths is slightly less than former orientation bit width；Shaking device is electromagnetic vibrator, is installed on and adds outside powder box；Preferably, described in add the size of powder box and can adjust according to the change of pressing under magnetic field position cavity dimension, described various sizes of powder box has and adds the identical propelling movement of powder box and retracting device attachment structure, it is ensured that changes at any time and adds powder box。
5. a kind of rare earth permanent-magnet powder according to claim 1 is accurately for powder and send and feed powder system, it is characterised in that: described in add powder box and push and retracting device mainly includes the second cylinder and adds powder box fixed mount, adding powder box fixed mount material is non-magnetic rustless steel；Adding powder box fixed mount and the second cylinder piston plate to be connected, the second cylinder can drive and add powder box and move back and forth, and will add powder box and be close to guide level, it is prevented that powder spills；Preferably, described second cylinder is replaced by servomotor, is driven by drive rod and adds powder box and move reciprocatingly between position in die-filling position and keeping out of the way；Realize digitized speed governing by servo-drive, when adding powder box and arriving above former, short distance shake can be carried out or rock, contribute to magnetic powder uniform in the filling of cavity space。
6. a kind of rare earth permanent-magnet powder according to claim 1 accurately supplies powder and send hello powder system, it is characterized in that: described electric control system includes information acquisition module and PLC controls module, at horizontal guide rail place equipped with position sensor, the signal of position sensor is input in information acquisition module, it is achieved add the die-filling position of powder box and the collection keeping out of the way an information；The driving of described vibrator, cylinder or motor is controlled module by PLC and controls。
7. a kind of rare earth permanent-magnet powder according to claim 1 accurately supplies powder and send hello powder system, it is characterized in that: described weighing shovel, taper loading hopper, add powder box and add powder box and push and retracting device installation position displacement sensor or grating scale, sensor or grating scale gather signal and are connected into information acquisition module；Cylinder solenoid valve, motor servo circuit and vibrator control valve and connect PLC control module。
8. a kind of rare earth permanent-magnet powder according to claim 1 accurately supplies powder and send hello powder system, it is characterized in that: described rare earth permanent-magnet powder accurately supplies powder and the slave part sending feed system to be pressing under magnetic field press, alignment magnetic field coil is positioned at guide rail both sides, guide level leaves square hole at cavity space upper area, after reinforced, add powder box to be back to and keep out of the way position, add powder box and guide rail all moves up and down without influence on diel。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610155451.1A CN105689703B (en) | 2016-03-18 | 2016-03-18 | It a kind of accurate powder supply of rare earth permanent-magnet powder and send and feeds powder system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610155451.1A CN105689703B (en) | 2016-03-18 | 2016-03-18 | It a kind of accurate powder supply of rare earth permanent-magnet powder and send and feeds powder system |
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| CN105689703A true CN105689703A (en) | 2016-06-22 |
| CN105689703B CN105689703B (en) | 2019-03-12 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106113569A (en) * | 2016-08-18 | 2016-11-16 | 桂林电子科技大学 | A kind of quantitative drawing-in device of rare-earth magnetic compacting automatic production line |
| CN111014661A (en) * | 2019-12-05 | 2020-04-17 | 成都众信达机电设备有限公司 | Full-automatic metal powder processing equipment |
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| CN105689703B (en) | 2019-03-12 |
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Address after: 010100 the Inner Mongolia Autonomous Region Jinshan Economic and Technological Development Zone, Cha Suqi, Hohhot Applicant after: Sheng Lun Magnetic Industry Co., Ltd. Address before: 010100 the Inner Mongolia Autonomous Region Jinshan Economic and Technological Development Zone, Cha Suqi, Hohhot Applicant before: KYSL ADVANCED MATERIAL TECHNOLOGY CO., LTD. |
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