CN117690721A - Processing device and method for agglomeration-preventing sintered neodymium iron boron powder - Google Patents
Processing device and method for agglomeration-preventing sintered neodymium iron boron powder Download PDFInfo
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- CN117690721A CN117690721A CN202311731982.7A CN202311731982A CN117690721A CN 117690721 A CN117690721 A CN 117690721A CN 202311731982 A CN202311731982 A CN 202311731982A CN 117690721 A CN117690721 A CN 117690721A
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- 239000000843 powder Substances 0.000 title claims abstract description 119
- 229910001172 neodymium magnet Inorganic materials 0.000 title claims abstract description 33
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title description 9
- 238000005054 agglomeration Methods 0.000 claims abstract description 12
- 238000003672 processing method Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 95
- 238000003756 stirring Methods 0.000 claims description 59
- 238000007599 discharging Methods 0.000 claims description 53
- 230000007246 mechanism Effects 0.000 claims description 46
- 230000000903 blocking effect Effects 0.000 claims description 40
- 230000005540 biological transmission Effects 0.000 claims description 18
- 230000002457 bidirectional effect Effects 0.000 claims description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 230000033001 locomotion Effects 0.000 claims description 3
- 230000002776 aggregation Effects 0.000 claims 5
- 238000010009 beating Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000009700 powder processing Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 7
- 230000004888 barrier function Effects 0.000 description 5
- 244000309464 bull Species 0.000 description 5
- 238000002156 mixing Methods 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000002744 anti-aggregatory effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
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- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The invention belongs to the technical field of neodymium iron boron powder processing, and relates to a processing device and a processing method for anti-agglomeration sintered neodymium iron boron powder. When the powder scattering operation is carried out, the powder scattering operation can be realized through the rotation and autorotation of the scattering shaft, the powder is shunted through the linear guide pipe and the U-shaped shunt pipe after being scattered, the powder can be scattered again through the rotation of the hitting ball while being shunted and discharged, the powder can be prevented from gathering again, and the scattering effect is improved while being discharged.
Description
Technical Field
The invention belongs to the technical field of neodymium iron boron powder processing, and relates to a processing device and a processing method of anti-agglomeration sintered neodymium iron boron powder.
Background
The sintered NdFeB permanent magnetic material is prepared by adopting a powder metallurgy process, the smelted alloy is prepared into powder and pressed into a pressing blank in a magnetic field, and the pressing blank is sintered in inert gas or vacuum to achieve densification. In the current manufacturing process of neodymium iron boron, in the process of pulverizing to sintering, because the sintered neodymium iron boron powder possibly gets damp in the process or the magnetism of a part of powder is large and other reasons cause that large particle clusters are formed among the powder, especially among fine powder, the particle clusters need to be crushed in order to avoid the influence of the mixing of the particle clusters on the sintered neodymium iron boron quality modeling, and the crushed powder is sent into a die for sintering treatment.
Through retrieving, patent publication number CN 116364404A's patent discloses a prevent sintered neodymium iron boron powder apparatus for producing of reunion, belongs to sintered neodymium iron boron processing technology field, includes: the crushing device comprises a mixing box, wherein a crushing box is arranged on one side of the mixing box, and a feeding box is arranged on one side of the crushing box; the feeding box is arranged in a conical shape, and an opening at one side of the feeding box, which is close to the crushing box, is smaller; the inside of the crushing box is sequentially provided with a first crushing roller and a second crushing roller, wherein the first crushing roller is rotationally connected with the crushing box, and a connecting mechanism with an adjustable position is arranged between the second crushing roller and the crushing box; the mixing box, the crushing box and the feeding box are communicated with each other in sequence.
After the materials are crushed, the crushed materials are directly discharged during discharging, and the directly discharged powder is easily agglomerated together due to magnetism and other reasons during discharging, so that the crushing effect is poor.
Disclosure of Invention
In view of this, the invention provides a processing device and a processing method for anti-agglomeration sintered NdFeB powder, which can shunt the powder after scattering and scatter the powder again after shunting so as to improve the powder scattering effect.
The technical proposal is as follows: the utility model provides a processing apparatus of agglomeration-preventing sintered neodymium iron boron powder, includes base, guide bracket, row's work or material rest, electronic conveyer belt, lower hopper, mounting platform, guide subassembly, break up mechanism, feeding mechanism and shake the mechanism of breaking up, base top both sides are connected with guide bracket and row's work or material rest respectively, one side that the guide bracket is close to row's work or material rest is for slope setting and the terminal and the row's work or material rest of slope department communicate with each other, the slope position of guide bracket is provided with electronic conveyer belt, the guide bracket top is connected with mounting platform, be connected with down the hopper on the mounting platform, be equipped with the guide subassembly that is used for leading the powder and be used for breaking up the powder of caking on the lower hopper, be equipped with the feeding mechanism that is used for carrying the powder to mould department on the guide subassembly, be equipped with shake the mechanism of breaking up for shake the powder of guide subassembly department again, guide subassembly department is including sharp guide pipe, U-shaped shunt tubes, two-way screw feed axle and servo motor, the intercommunication has sharp guide pipe in the middle part, U-shaped guide bracket, U-shaped shunt tubes, two-way screw feed shaft and servo motor, shunt tubes are connected with two-way servo motor.
Further, feeding mechanism is including cylinder, aggregate bin, group work or material rest, spacing subassembly and promotion subassembly, install the cylinder on the row work or material rest, the opening has been seted up at row work or material rest middle part for the powder is discharged, sliding connection has the aggregate bin on the row work or material rest, one side and the bottom that the aggregate bin is close to the guide bracket are open setting, rotate on the aggregate bin and be connected with group work or material rest, group work or material rest rotation can dial into the aggregate bin in, be equipped with on the aggregate bin and be used for carrying out spacing subassembly and the promotion subassembly that is used for promoting group work or material rest rotation to group work or material rest.
Further, the guide assembly comprises a linear guide pipe, a U-shaped shunt pipe, a bidirectional spiral feeding shaft and a servo motor, wherein the linear guide pipe is communicated with the bottom of the discharging hopper, the U-shaped shunt pipe is communicated with the linear guide pipe, the bidirectional spiral feeding shaft used for conveying powder to two sides of the U-shaped shunt pipe is rotationally connected to the U-shaped shunt pipe, the servo motor is mounted on the guide support, and an output shaft of the servo motor is connected with the bidirectional spiral feeding shaft.
Further, break up the mechanism including driving motor, rotation axis, break up the axle, go-between, drive bevel gear and ring gear, install driving motor on the guide bracket top, it is connected with the rotation axis to turn down in the middle of the hopper, the rotation axis with driving motor's output shaft, evenly spaced along circumference rotates on the rotation axis and is connected with the different axle of breaking up of multiunit height, down hopper inner circle is connected with a plurality of go-between from last to lower evenly spaced rotation, the quantity of go-between is unanimous with the group number of breaking up the axle, the go-between with break up the axle and rotate to be connected with, it is connected with drive bevel gear to break up an end extension go-between, evenly spaced in the hopper is connected with quantity and the unanimous ring gear of go-between quantity down, drive bevel gear and ring gear meshing.
Further, the scattering mechanism further comprises a spiral guide plate, the output shaft of the driving motor is connected with the spiral guide plate, and the spiral guide plate is positioned between the discharge end of the discharging hopper and the linear guide pipe.
Further, the limiting assembly comprises a blocking block and an elastic piece II, both sides of the top of the aggregate bin are slidably connected with blocking blocks used for blocking the material stirring frame from rotating anticlockwise, the bottoms of the blocking blocks are inclined planes, and the elastic piece II is connected between the blocking blocks and the aggregate bin.
Further, the pushing assembly comprises a sliding frame, a guide rod, an elastic piece III, a stirring block and a torsion spring, wherein the guide rods are connected to two sides of the collecting bin respectively, the sliding frame is connected to the guide rods in a sliding mode, the elastic piece III is connected between the sliding frame and the guide rods, the stirring block is connected to one side, close to the collecting bin, of the sliding frame in a rotating mode, gaps for the stirring block to move are formed in two sides of the collecting bin respectively, one side of the stirring block is blocked by the sliding frame, and the torsion spring is connected between the stirring block and the sliding frame.
Further, shake the mechanism of loosing including bull stick, connection bevel gear, drive gear, link, hit ball and connecting spring elastic connection rope, both sides all rotate in the guide bracket and be connected with the bull stick, U-shaped shunt tubes both sides all rotate and are connected with the link, and the interval is connected with a plurality of elastic connection ropes on the link, and elastic connection rope end-to-end connection has hits the ball, bull stick and two-way spiral feeding axle both sides all are connected with connection bevel gear, connection bevel gear and two-way spiral feeding epaxial connection bevel gear meshing on the bull stick, all be connected with drive gear on bull stick and the two links, drive gear and the last drive gear meshing of link on the U-shaped shunt tubes both sides all are connected with the link, and the interval is connected with a plurality of connecting springs on the link, and connecting spring end-to-end connection has hits the ball, hits the ball and is the iron.
Further, still including blocking the mechanism, it is including connecting plate, barrier plate, electro-magnet second, connection rack, drive gear and elastic component first to block the mechanism, mounting platform both sides upper portion all is connected with the connecting plate, and the equal sliding connection in mounting platform both sides has the barrier plate that is used for keeping off lower hopper discharge end, and two sides connecting plate all evenly interval embedded type installs electro-magnet second in one side that keeps away from each other, and two barrier plates all installs the iron plate in the middle part of one side that keeps away from each other, be connected with the connection rack on the barrier plate, the rotation axis lower part is connected with drive gear through one-way clutch, drive gear both sides respectively with the connection rack meshing of both sides, the barrier plate with be connected with elastic component first between the mounting platform.
Further, the powder stirring mechanism comprises a screw, a control motor and a stirring plate, wherein the control motor is arranged on the discharging frame, the output shaft of the control motor is connected with the screw, the screw is rotationally connected with the collecting bin, the stirring plate is connected to the screw through threads, and the stirring plate is in sliding fit with the collecting bin.
A processing method of anti-agglomeration sintered NdFeB powder is characterized by comprising the following specific steps:
s1: the processing device is erected, and equipment for conveying the die is moved to the position below the opening of the discharge frame;
s2: putting powder into a discharging hopper, controlling a driving motor to drive a scattering shaft to rotate, and scattering the powder by rotating a transmission bevel gear and a toothed ring while the scattering shaft rotates;
s3: the scattered powder falls into the electric conveying belt through the linear material guide pipe and the U-shaped shunt pipe, and the electric conveying belt is controlled to operate so as to convey the powder to the material discharging frame;
s4: the control cylinder telescopic link is flexible to drive aggregate bin reciprocating motion, and the kickoff then can dial the material into the aggregate bin in, then can send into the opening part with the powder when the aggregate bin removes, drops into the mould with the powder, accomplishes the anti-agglomeration processing and the pay-off to the powder.
The beneficial effects of the invention are as follows: 1. when the powder scattering operation is carried out, the powder scattering operation can be realized through the rotation and autorotation of the scattering shaft, the powder is shunted through the linear guide pipe and the U-shaped shunt pipe after being scattered, the powder can be scattered again through the rotation of the hitting ball while being shunted and discharged, the powder can be prevented from gathering again, and the scattering effect is improved while being discharged.
2. According to the invention, in the operation process, powder can be crushed and conveyed to the discharging frame, after conveying is finished, the powder can be driven into the collecting bin by moving the collecting bin left and right, and then the powder in the collecting bin is discharged to the die through the opening at the discharging frame, namely, the powder scattering and powder throwing effect to the die can be realized at the same time, and the operation is more convenient.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic structural view of the guide bracket, the discharge rack and the electric conveyor belt of the present invention.
Fig. 3 is a schematic structural view of the material guiding assembly and the breaking mechanism of the present invention.
Fig. 4 is a schematic structural view of the material guiding assembly and the scattering mechanism after the blanking hopper and the linear material guiding pipe are cut open.
Fig. 5 is a schematic structural view of the bidirectional screw feeding shaft of the present invention.
Fig. 6 is a schematic view of a first structure of the feeding mechanism of the present invention.
Fig. 7 is a schematic view of a second structure of the feeding mechanism of the present invention.
Fig. 8 is a cross-sectional view of a push assembly of the present invention.
Fig. 9 is a schematic structural view of the vibration dispersing mechanism of the present invention.
Fig. 10 is an enlarged view of section a of fig. 9 in accordance with the present invention.
Fig. 11 is a schematic structural view of the blocking mechanism of the present invention.
FIG. 12 is a schematic view of the blocking mechanism of the present invention with the blanking hopper and mounting platform broken away.
Fig. 13 is a schematic structural view of the first connecting rack, driving gear and elastic member of the present invention.
Fig. 14 is a schematic view of a first structure of the powder stirring mechanism of the present invention.
Fig. 15 is a schematic view of a second structure of the powder stirring mechanism of the present invention.
Part names and serial numbers in the figure: the device comprises a 1-pedestal, a 21-guide bracket, a 22-discharge rack, a 23-electric conveying belt, a 3-blanking hopper, a 31-driving motor, a 32-mounting platform, a 4-straight guide pipe, a 5_U-shaped shunt pipe, a 51-bidirectional spiral feeding shaft, a 52-servo motor, a 61-rotating shaft, a 62-scattering shaft, a 63-transmission bevel gear, a 64-toothed ring, a 65-spiral guide plate, a 66-connecting ring, a 71-rotating rod, a 73-connecting bevel gear, a 75-transmission gear, a 76-connecting rack, a 77-hit ball, a 78-elastic connecting rope, a 81-connecting plate, a 82-blocking plate, a 83-electromagnet second, a 84-connecting rack, a 85-driving gear, a 86-elastic first, a 91-cylinder, a 92-collecting bin, a 93-poking rack, a 941-blocking block, a 942-elastic second, a 951-sliding frame, a 952-guiding rod, a 953-elastic third, a 954-poking block, a 955-torsion spring, a 101-screw, a 102-control motor and a 103-poking plate.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings.
The utility model provides a processing apparatus of anti-agglomeration sintering neodymium iron boron powder, shown in fig. 1-8, including base 1, guide bracket 21, row's work or material rest 22, electric conveyer belt 23, lower hopper 3, mounting platform 32, guide component, break up mechanism, feeding mechanism and shake the mechanism of scattering, base 1 top right side is connected with guide bracket 21, base 1 top left side is connected with row's work or material rest 22, guide bracket 21 left side lower part is for the slope setting and the slope is located the end and is communicated with row's work or material rest 22, guide bracket 21's incline position is provided with electric conveyer belt 23, guide bracket 21 top right side is connected with mounting platform 32, be connected with down hopper 3 on the mounting platform 32, be equipped with on the lower hopper 3 and be used for carrying out the guide component of direction to the powder and be used for the powder of scattering of caking and break up the mechanism, be equipped with on the row's work or material rest 22 and be used for carrying to mould department the feeding mechanism of scattering again of shaking of guide component.
As shown in fig. 2-5, the material guiding assembly comprises a linear material guiding pipe 4, a U-shaped shunt pipe 5, a bidirectional spiral feeding shaft 51 and a servo motor 52, wherein the linear material guiding pipe 4 is communicated with the middle of the bottom of the lower hopper 3, the left end of the linear material guiding pipe 4 is communicated with the U-shaped shunt pipe 5, the discharging end of the U-shaped shunt pipe 5 is positioned on the upper portion of the electric conveying belt 23, the right side of the U-shaped shunt pipe 5 is rotationally connected with the bidirectional spiral feeding shaft 51, the bidirectional spiral feeding shaft 51 can respectively convey powder to two sides of the U-shaped shunt pipe 5 when rotating, the servo motor 52 is installed at the front side of the guide bracket 21, and an output shaft of the servo motor 52 is connected with the bidirectional spiral feeding shaft 51 through a coupling, so that the servo motor 52 can drive the bidirectional spiral feeding shaft 51 to rotate.
As shown in fig. 3 and 4, the breaking mechanism comprises a driving motor 31, a rotating shaft 61, a breaking shaft 62, a connecting ring 66, a transmission bevel gear 63, a toothed ring 64 and a spiral guide plate 65, wherein the driving motor 31 is installed in the middle of the right side of the top of the guide bracket 21, the rotating shaft 61 is connected in a rotating manner in the middle of the lower hopper 3, the rotating shaft 61 and an output shaft of the driving motor 31 are connected through a coupling, a plurality of groups of breaking shafts 62 with different heights are connected on the rotating shaft 61 in a rotating manner at uniform intervals along the circumferential direction, a plurality of connecting rings 66 are connected in a rotating manner at uniform intervals on the inner ring of the lower hopper 3, the connecting rings 66 are in a rotating manner from top to bottom, the connecting rings 66 are in a rotating connection with the breaking shafts 62, one end of the breaking shaft 62 extends out of the connecting ring 66 to be connected with the transmission bevel gear 63, the transmission bevel gear 63 in a uniformly spaced manner in the lower hopper 3 is connected with the toothed ring 64 in a quantity in a same as the connecting rings 66, the number of the toothed ring 64 on the breaking shaft 62 and the toothed ring 64 close to the bevel gear 63 in a manner of the lower hopper, so that the breaking shaft 62 can rotate around the rotating shaft 61 and the rotating about the rotating shaft 61 to the rotating about the rotating shaft 64 and the rotating about the rotating shaft 64 to the connecting ring 64 to the spiral guide plate 65, and the spiral guide plate 65 can rotate at the position of the spiral guide plate 65, and the material can be used for the material can be driven by the material to the material guide plate and the material guide plate 65 when being positioned at the end and the end of the spiral guide plate 65, and the material guide plate-guiding device.
As shown in fig. 9 and 10, the vibration scattering mechanism comprises a rotating rod 71, a connecting bevel gear 73, a transmission gear 75, a connecting frame 76, a hitting ball 77 and an elastic connecting rope 78, wherein the rotating rod 71 is rotatably connected to the front side and the rear side in the guide bracket 21, the connecting bevel gear 73 is connected to the right side of the rotating rod 71 and the front side and the rear side of the bidirectional spiral feeding shaft 51, the connecting bevel gear 73 on the rotating rod 71 is meshed with the connecting bevel gear 73 on the bidirectional spiral feeding shaft 51, the connecting frame 76 is rotatably connected to the front side and the rear side in the U-shaped shunt tube 5, a plurality of elastic connecting ropes 78 are connected to the connecting frame 76 at intervals, the hitting ball 77 is made of elastic rubber, the transmission gears 75 are connected to the left end of the rotating rod 71 and the two connecting frames 76, and the transmission gears 75 on the rotating rod 71 are meshed with the transmission gears 75 on the connecting frame 76.
When the neodymium iron boron powder is required to be processed, in order to prevent the neodymium iron boron powder from agglomerating and affecting sintering, the device can be used, when the device is used, firstly, powder is poured into the blanking hopper 3, then the driving motor 31 can be controlled to drive the rotating shaft 61 to drive the scattering shaft 62 to rotate, the scattering shaft 62 rotates through the meshing between the transmission bevel gear 63 and the toothed ring 64 when the scattering shaft 62 rotates, the scattering shaft 62 rotates around the rotating shaft 61, the neodymium iron boron powder can be scattered, so as to prevent the neodymium iron boron powder from agglomerating, the scattered neodymium iron boron powder can fall into the linear material guide pipe 4, the powder is guided to the U-shaped shunt pipe 5 through the linear material guide pipe 4, meanwhile, the servo motor 52 can be controlled to drive the bidirectional spiral feeding shaft 51 to rotate to send the powder out through two sides of the U-shaped shunt pipe 5, the bidirectional spiral feeding shaft 51 can drive the rotating rod 71 to rotate through the connection bevel gear 73 when the bidirectional spiral feeding shaft 51 rotates, the rotating rod 71 rotates and can drive the connecting frame 76 to rotate through the transmission gear 75, the connecting frame 76 swings through the elastic connecting rope 78 when rotating, so that the hitting ball 77 repeatedly moves to hit powder, the hitting ball 77 can scatter the powder again in the repeated moving process, the powder discharged through the U-shaped shunt tube 5 can fall on the electric conveying belt 23, the powder is conveyed to the position of the discharging frame 22 through the operation of the electric conveying belt 23, the powder can be processed so as to avoid powder coagulation, the conveying equipment can be moved to the position below the opening of the discharging frame 22 before, and when the conveying equipment conveys the die to the position of the opening of the discharging frame 22, the powder can be controlled to move to the position of the opening so as to realize the addition of the powder in the die.
As shown in fig. 6-8, the feeding mechanism comprises an air cylinder 91, a collecting bin 92, a material stirring frame 93, a limiting component and a pushing component, the air cylinder 91 is mounted on the left side of the top of the material stirring frame 22, an opening is formed in the middle of the material stirring frame 22 for discharging powder, the collecting bin 92 is slidably connected to the material stirring frame 22, the right side of the collecting bin 92 is opened for feeding powder, the bottom of the collecting bin 92 is opened, so that the powder can be discharged through the opening when the collecting bin 92 moves to the opening, the upper portion of the right side of the collecting bin 92 is rotationally connected with the material stirring frame 93, the material stirring frame 93 can rotationally stir the powder into the collecting bin 92, and the collecting bin 92 is provided with the limiting component for limiting the material stirring frame 93 and the pushing component for pushing the material stirring frame 93 to rotate.
As shown in fig. 7, the limiting assembly includes a blocking block 941 and an elastic member two 942, both front and rear sides on the right side of the top of the aggregate bin 92 are slidably connected with a blocking block 941 for blocking the material shifting frame 93 from rotating counterclockwise, the bottom of the blocking block 941 is an inclined plane, so that the material shifting frame 93 can pass through the blocking block 941 (refer to fig. 12) when rotating clockwise, and the elastic member two 942 is connected between the blocking block 941 and the aggregate bin 92.
As shown in fig. 7 and 8, the pushing assembly includes a sliding frame 951, a guiding rod 952, an elastic member three 953, a stirring block 954 and a torsion spring 955, wherein both sides of the collecting bin 92 are connected with the guiding rod 952, the guiding rod 952 is connected with the sliding frame 951 in a sliding manner, the elastic member three 953 is connected between the sliding frame 951 and the guiding rod 952, the elastic member three 953 is a compression spring, one side of the sliding frame 951, which is close to the collecting bin 92, is rotationally connected with the stirring block 954, both sides of the collecting bin 92 are provided with notches, the stirring block 954 can move in the notches, the right side of the stirring block 954 is blocked by the sliding frame 951 so as to prevent the stirring block 954 from rotating rightwards (refer to fig. 12), and the torsion spring 955 is connected between the stirring block 954 and the sliding frame 951.
Before the device is used, the device for conveying the die can be moved to the lower part of the opening position of the material discharging frame 22, the die height is flush with the bottom height in the material discharging frame 22, initially, the air cylinder 91 telescopic rod is in an extension state, the material discharging frame 22 is right side of the material discharging frame 92, the sliding frame 951 is supported by the material discharging frame 22, the elastic member III 953 is in a compression state, at this time, the air cylinder 91 telescopic rod can be controlled to retract and extend again, thereby driving the material discharging frame 92 to reciprocate left and right, the guide rod 952 and the sliding frame 951 can be driven to move leftwards when the sliding frame 951 moves leftwards, the material discharging frame 951 does not support the material discharging frame 22 any more, at this time, the sliding frame 951 is washed down by the action of the elastic member III 953 to move rightwards, the sliding frame 951 drives the stirring block 954 to move rightwards when the sliding frame 951 moves rightwards, at this time, the right side of the stirring block 954 is blocked by the material discharging frame 93, the material discharging frame 951 can be compressed by the torsion spring 955, the material stirring block 951 can be blocked by the material stirring frame 93, when the stirring block 954 moves to be separated from the material discharging frame 92 and the material discharging frame 92 rotates leftwards, the material discharging frame 92 is further contacted with the material discharging frame 93, the material discharging frame 93 can be further pressed by the material discharging frame 92, the material stirring frame 954 can be further contacted with the material discharging frame 93, the material stirring frame 92 is further can be driven to rotate to the left side when the material discharging frame 954 moves to the left side, the material discharging frame 9592 is further moves to rotate, the material stirring 9592 can be pushed to move, the material discharging frame 953 can be further rotates, the material can be further contacted by the material discharging frame 93, and then can be further contacted with the material, and then can be further left, and subsequently, the material can be left, meanwhile, the die is also positioned at the opening, and powder can be discharged to the die at the moment, so that the powder discharging work can be automatically realized, and the excessive powder at the top of the die can be scraped in the process of left-right movement of the aggregate bin 92.
As shown in fig. 11-13, the device further comprises a blocking mechanism, the blocking mechanism comprises a connecting plate 81, a blocking plate 82, an electromagnet two 83, a connecting rack 84, a driving gear 85 and an elastic piece one 86, the connecting plate 81 is connected to the upper portions of the front side and the rear side of the mounting platform 32, the blocking plate 82 is slidably connected to the front side and the rear side of the mounting platform 32, the blocking plate 82 can block the discharging end of the discharging hopper 3, the electromagnet two 83 are embedded in the side, away from each other, of the connecting plates 81 on the two sides, iron blocks are embedded in the middle of the side, away from each other, of the two blocking plates 82, a connecting rack 84 is connected to the blocking plate 82, the driving gear 85 is connected to the lower portion of the rotating shaft 61 through a one-way clutch, the two sides of the driving gear 85 are respectively meshed with the connecting racks 84 on the two sides, the elastic piece one 86 is connected between the blocking plate 82 and the mounting platform 32, and the elastic piece one 86 is a reset spring.
At first, the blocking plate 82 blocks the connection position between the discharging hopper 3 and the linear material guiding pipe 4, when the powder scattering operation is performed, the rotation shaft 61 rotates and does not drive the driving gear 85 to rotate under the action of the one-way clutch, the blocking plate 82 can block powder, the powder is prevented from falling down, the powder can be scattered fully, after the powder scattering is finished, the driving motor 31 can be controlled to drive the rotation shaft 61 to rotate reversely, at the moment, the rotation shaft 61 can drive the driving gear 85 to rotate reversely, the driving gear 85 drives the two side blocking plates 82 to be far away from each other through the connecting racks 84 on two sides when rotating, the elastic piece I86 is stretched, the powder can fall down, the connecting racks 84 are also moved to be separated from the driving gear 85 when the iron plates on the two side blocking plates are magnetically attracted with the electromagnet II 83, the material can be discharged at the moment, the electromagnet II 83 is controlled to be powered off after the material is completely discharged, and the blocking plate 82 can be reset under the action of the elastic piece I86.
As shown in fig. 14 and 15, the powder stirring mechanism further comprises a screw 101, a control motor 102 and a stirring plate 103, the control motor 102 is installed at the rear side of the discharge rack 22, the screw 101 is connected to the output shaft of the control motor 102, the screw 101 is rotationally connected with the collecting bin 92, the stirring plate 103 is connected to the screw 101 through threads, the stirring plate 103 is in sliding fit with the collecting bin 92, and in the operation process, the control motor 102 can be driven to drive the stirring plate 103 to reciprocate back and forth through the screw 101, so that powder is prevented from being blocked.
The embodiment also provides a processing method of the agglomeration-preventing sintered neodymium iron boron powder, which is characterized by comprising the following specific steps:
s1: the processing device is erected, and the equipment for conveying the die is moved to the position below the opening of the discharging frame 22;
s2: putting powder into a discharging hopper 3, controlling a driving motor 31 to drive a scattering shaft 62 to rotate, and scattering the powder by rotating a transmission bevel gear 63 and a toothed ring 64 while the scattering shaft 62 rotates;
s3: the scattered powder falls into the electric conveying belt 23 through the linear material guide pipe 4 and the U-shaped shunt pipe 5, and the electric conveying belt 23 is controlled to operate so as to convey the powder to the material discharging frame 22;
s4: the telescopic rod of the control cylinder 91 stretches out and draws back to drive the aggregate bin 92 to reciprocate, the material stirring frame 93 can stir materials into the aggregate bin 92, and when the aggregate bin 92 moves, powder can be sent into the opening part, the powder is put into the die, and anti-aggregation treatment and feeding of the powder are completed.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (10)
1. The utility model provides a processing apparatus for preventing agglomerating sintered neodymium iron boron powder, its characterized in that, including base (1), guide bracket (21), row's work or material rest (22), electronic conveyer belt (23), unloading hopper (3), mounting platform (32), guide component, break up mechanism, feeding mechanism and shake the mechanism, base (1) top both sides are connected with guide bracket (21) and row's work or material rest (22) respectively, one side that guide bracket (21) is close to row's work or material rest (22) is the slope setting and the slope department terminal communicates with each other with row's work or material rest (22), the incline position of guide bracket (21) is provided with electronic conveyer belt (23), guide bracket (21) top is connected with mounting platform (32), be connected with unloading hopper (3) on mounting platform (32), be equipped with on unloading hopper (3) and be used for carrying out the guide component that leads to the powder and be used for the powder of caking and break up the mechanism that is used for carrying to mould department, be equipped with on the guide component and be equipped with the mechanism that breaks up the guide component that is used for shaking the powder to the material rest (22), be used for dispelling the motor and being used for dispelling the guide component, being equipped with the guide component and being equipped with the guide shaft (4), the spiral feed pipe (4) is equipped with the shunt tubes (4) and the bottom (4) are connected with two-way material feed pipe (4), the automatic powder feeding device is characterized in that a U-shaped shunt tube (5) is communicated with the linear guide tube (4), a bidirectional spiral feeding shaft (51) used for conveying powder to two sides of the U-shaped shunt tube (5) is rotationally connected to the U-shaped shunt tube (5), a servo motor (52) is mounted on the guide support (21), and an output shaft of the servo motor (52) is connected with the bidirectional spiral feeding shaft (51).
2. The processing device for preventing agglomeration of sintered neodymium iron boron powder according to claim 1, wherein the feeding mechanism comprises an air cylinder (91), a collecting bin (92), a stirring frame (93), a limiting component and a pushing component, the air cylinder (91) is installed on the discharging frame (22), an opening is formed in the middle of the discharging frame (22) for discharging powder, the collecting bin (92) is slidably connected to the discharging frame (22), one side, close to the guide bracket (21), of the collecting bin (92) is opened, the stirring frame (93) is rotatably connected to the collecting bin (92), the stirring frame (93) can rotate to stir the powder into the collecting bin (92), and the limiting component for limiting the stirring frame (93) and the pushing component for pushing the stirring frame (93) to rotate are arranged on the collecting bin (92).
3. The processing device for preventing agglomeration sintered neodymium iron boron powder according to claim 2, wherein the scattering mechanism comprises a driving motor (31), a rotating shaft (61), a scattering shaft (62), a connecting ring (66), a transmission bevel gear (63) and a toothed ring (64), the driving motor (31) is mounted on the top of the guide bracket (21), the rotating shaft (61) is connected in the middle of the lower hopper (3) in a rotating manner, the rotating shaft (61) is connected with an output shaft of the driving motor (31), a plurality of groups of scattering shafts (62) with different heights are connected on the rotating shaft (61) at uniform intervals in the circumferential direction, a plurality of connecting rings (66) are connected with the inner ring of the lower hopper (3) at uniform intervals in a rotating manner from top to bottom, the number of the connecting rings (66) is consistent with the number of groups of the scattering shafts (62), the connecting rings (66) are connected with the transmission bevel gear (63) in a rotating manner, one end of the scattering shaft (62) extends out of the connecting ring (66), and the number of the connecting rings (64) in the lower hopper (3) is consistent with the number of the transmission bevel gear (64).
4. A processing device for preventing agglomeration of sintered neodymium-iron-boron powder according to claim 3, characterized in that the scattering mechanism further comprises a spiral guide plate (65), the output shaft of the driving motor (31) is connected with the spiral guide plate (65), and the spiral guide plate (65) is located between the discharge end of the discharging hopper (3) and the linear guide pipe (4).
5. The processing device for the agglomeration-preventing sintered neodymium iron boron powder according to claim 4, wherein the limiting assembly comprises a blocking block (941) and an elastic piece II (942), blocking blocks (941) for blocking the material stirring frame (93) from rotating anticlockwise are slidably connected to two sides of the top of the material collecting bin (92), inclined surfaces are arranged at the bottoms of the blocking blocks (941), and the elastic piece II (942) is connected between the blocking blocks (941) and the material collecting bin (92).
6. The processing device for preventing agglomeration of sintered neodymium iron boron powder according to claim 5, wherein the pushing assembly comprises a sliding frame (951), a guide rod (952), an elastic member III (953), a stirring block (954) and a torsion spring (955), the two sides of the collecting bin (92) are connected with the guide rod (952), the sliding frame (951) is connected with the guide rod (952) in a sliding manner, the elastic member III (953) is connected between the sliding frame (951) and the guide rod (952), the stirring block (954) is connected to one side of the sliding frame (951) close to the collecting bin (92) in a rotating manner, notches for the stirring block (954) to move are formed in the two sides of the collecting bin (92), one side of the stirring block (954) is blocked by the sliding frame (951), and the torsion spring (955) is connected between the stirring block (954) and the sliding frame (951).
7. The processing device for the agglomeration-preventing sintered neodymium-iron-boron powder according to claim 6, wherein the vibration scattering mechanism comprises a rotating rod (71), a connecting bevel gear (73), a transmission gear (75), a connecting frame (76), a beating ball (77) and an elastic connecting rope (78), wherein the rotating rod (71) is rotationally connected to two sides in the guide bracket (21), the connecting frame (76) is rotationally connected to two sides of the U-shaped shunt tube (5), a plurality of elastic connecting ropes (78) are connected to the connecting frame (76) at intervals, the beating ball (77) is connected to the tail end of the elastic connecting rope (78), the connecting bevel gear (73) is connected to two sides of the rotating rod (71) and the connecting bevel gear (73) on the bidirectional spiral feeding shaft (51), the transmission gear (75) on the rotating rod (71) is meshed with the transmission gear (75) on the connecting frame (76).
8. The processing device for preventing agglomeration of sintered neodymium iron boron powder according to claim 7, further comprising a blocking mechanism, the blocking mechanism comprises a connecting plate (81), a blocking plate (82), an electromagnet (83), a connecting rack (84), a driving gear (85) and an elastic piece (86), the connecting plate (81) is connected to the upper parts of two sides of the mounting platform (32), the blocking plate (82) for blocking the discharging end of the discharging hopper (3) is slidably connected to two sides of the mounting platform (32), the electromagnet (83) is embedded in one side of the connecting plate (81) far away from each other at uniform intervals, iron blocks are embedded in the middle part of one side of the two blocking plates (82) far away from each other, a connecting rack (84) is connected to the blocking plate (82), the driving gear (85) is connected to the lower part of the rotating shaft (61) through a one-way clutch, the two sides of the driving gear (85) are respectively meshed with the connecting racks (84) on two sides, and the elastic piece (86) is connected between the blocking plate (82) and the mounting platform (32).
9. The processing device for the agglomeration-preventing sintered neodymium-iron-boron powder according to claim 8, further comprising a powder stirring mechanism, wherein the powder stirring mechanism comprises a screw rod (101), a control motor (102) and a stirring plate (103), the control motor (102) is installed on the discharging frame (22), the screw rod (101) is connected to an output shaft of the control motor (102), the screw rod (101) is rotationally connected with the collecting bin (92), the stirring plate (103) is connected to the screw rod (101) through threads, and the stirring plate (103) is in sliding fit with the collecting bin (92).
10. The processing method of the agglomeration-preventing sintered NdFeB powder based on the processing device of the agglomeration-preventing sintered NdFeB powder, which is characterized by comprising the following specific steps:
s1: the processing device is erected, and equipment for conveying the die is moved to the position below an opening of a discharging frame (22);
s2: the powder is put into a discharging hopper (3), a driving motor (31) is controlled to drive a scattering shaft (62) to rotate, and the scattering shaft (62) rotates and rotates through a transmission bevel gear (63) and a toothed ring (64) to carry out scattering treatment on the powder;
s3: the scattered powder falls into an electric conveying belt (23) through a linear material guide pipe (4) and a U-shaped shunt pipe (5), and the electric conveying belt (23) is controlled to operate so as to convey the powder to a discharging frame (22);
s4: the control cylinder (91) telescopic link stretches out and draws back and drives aggregate bin (92) reciprocating motion, and in dialling work or material rest (93) then can dial aggregate bin (92) with the material, then can send into the opening part with the powder when aggregate bin (92) remove, throw into the mould with the powder in, accomplish the anti-agglomeration processing and the pay-off to the powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311731982.7A CN117690721A (en) | 2023-12-16 | 2023-12-16 | Processing device and method for agglomeration-preventing sintered neodymium iron boron powder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311731982.7A CN117690721A (en) | 2023-12-16 | 2023-12-16 | Processing device and method for agglomeration-preventing sintered neodymium iron boron powder |
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| CN117690721A true CN117690721A (en) | 2024-03-12 |
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