CN114005670B - Preparation method and preparation device for bonded NdFeB strong magnet - Google Patents
Preparation method and preparation device for bonded NdFeB strong magnet Download PDFInfo
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- CN114005670B CN114005670B CN202111263389.5A CN202111263389A CN114005670B CN 114005670 B CN114005670 B CN 114005670B CN 202111263389 A CN202111263389 A CN 202111263389A CN 114005670 B CN114005670 B CN 114005670B
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- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- 229910001172 neodymium magnet Inorganic materials 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 19
- 239000006247 magnetic powder Substances 0.000 claims abstract description 12
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000003756 stirring Methods 0.000 claims description 70
- 230000005540 biological transmission Effects 0.000 claims description 43
- 230000007246 mechanism Effects 0.000 claims description 21
- 238000002156 mixing Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 17
- 239000000853 adhesive Substances 0.000 claims description 12
- 230000001070 adhesive effect Effects 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 12
- 238000007790 scraping Methods 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims description 8
- 206010044048 Tooth missing Diseases 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 239000000314 lubricant Substances 0.000 claims description 4
- 230000009471 action Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005405 multipole Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
Abstract
The invention discloses a preparation device for bonding a neodymium iron boron strong magnet, which relates to the field of magnet preparation and solves the problem of great material loss in the existing preparation of magnetic powder.
Description
Technical Field
The invention relates to the technical field of magnet preparation, in particular to a preparation method and a preparation device for an adhesive neodymium-iron-boron strong magnet.
Background
The bonded NdFeB and Nd2Fe14B are made into a composite magnet, and the bonded NdFeB magnet is made by mixing quick-quenching NdFeB magnetic powder and a binder and then performing compression molding or injection molding. The bonded magnet has high dimensional accuracy, can be made into magnetic components with relatively complex shapes, has the characteristics of one-step molding, multi-pole orientation and the like, and in the preparation process of the neodymium iron boron magnet, firstly, magnetic powder and an adhesive are required to be mixed, and after heating, the mixture is heated, mixed, dried and heated, and then injected into a die cavity for cooling molding, and the conventional device for mixing the magnetic powder, the adhesive, a curing agent and a lubricant is an ultrasonic generator, and the magnetic powder particles and liquid are mixed through ultrasonic waves.
After the existing stirrer stirs magnetic powder and adhesive, a large amount of mixture is adhered to a stirring rod due to strong adhesion of the adhesive, and the stirring rod is not easy to separate manually, so that part of mixture is lost when preparation operation is carried out each time.
Disclosure of Invention
The invention aims to provide a preparation method and a preparation device of an adhesive neodymium iron boron strong magnet capable of effectively separating a mixture adhered on a stirring structure, so as to solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the preparation device for the bonded NdFeB strong magnet comprises an ultrasonic generator and a working frame arranged at the side end of the ultrasonic generator, wherein a container cup is arranged at the upper end of the working frame, and a telescopic frame is arranged at the rear end of the working frame; the stirring mechanism can fully stir the magnetic powder and the adhesive, the stirring mechanism is arranged at the lower end of the telescopic frame, the side end of the stirring mechanism is provided with an adjusting mechanism, and a user can adjust the height position of the stirring mechanism through the telescopic frame.
Preferably, the stirring mechanism comprises a motor fixedly mounted at the lower end of the telescopic frame through a mounting plate, a mounting frame is fixedly mounted at the lower end of the motor, a control board is mounted at the outer side of the mounting frame, a fixing frame is fixedly mounted at the output end of the motor, a limiting disc is fixedly mounted at the lower end of the fixing frame, a stirring shaft is fixedly mounted at the lower end of the limiting disc, a scraping piece is mounted on the outer surface of the stirring shaft, an extension piece is mounted at the inner side of the stirring shaft, and the motor can drive the stirring shaft to rotate rapidly through the fixing frame and the limiting disc.
Preferably, the extension piece includes the activity inlay in the inboard movable rod one of (mixing) shaft and movable rod two, the cavity has been seted up to the inboard of (mixing) shaft, movable rod one with the inboard of movable rod two is all fixed mounting in connecting axle one, just the both ends are all movable inlay in the inboard of cavity about the connecting axle one, a set of the outside fixed mounting of connecting axle one has gear one, just the upper end meshing of gear one installs gear two, the inboard fixed mounting of gear two has the connecting axle two, just the connecting axle two activity inlay in the inboard of (mixing) shaft, when connecting axle one and connecting axle two clockwise rotation, can make movable rod one and the outside expansion of movable rod.
Preferably, the scraping piece comprises a sliding sleeve movably sleeved on the outer surface of the stirring shaft, two groups of traction ropes are fixedly embedded in the outer side of the sliding sleeve, the upper ends of the traction ropes movably penetrate through the limiting disc, limiting blocks are fixedly arranged at the upper ends of the limiting discs, winding shafts are movably embedded in the inner sides of the limiting blocks, the traction ropes are circumferentially arranged on the outer sides of the winding shafts, fixing rings are fixedly arranged at the side ends of the limiting blocks, spring is arranged on the inner sides of the fixing rings, the inner ends and the outer ends of the spring are fixedly connected with the winding shafts and the fixing rings, a user can downwards slide the sliding sleeve after the stirring operation is completed, and the sliding sleeve can downwards hang a mixture attached to the surface of the stirring shaft in the sliding sleeve in the sliding process until the mixture falls into the inner parts of the container cups, so that the loss of materials is greatly reduced.
Preferably, the adjusting mechanism comprises a tooth-lacking bevel gear movably mounted at the lower end of the mounting frame, a movable shaft is fixedly mounted at the upper end of the tooth-lacking bevel gear, the upper end of the movable shaft movably penetrates through the mounting frame, a mounting seat is fixedly arranged at the upper end of the movable shaft, the mounting seat is provided with a swinging frame through a movable column, a spring is fixedly mounted at the lower end of the mounting seat, a limit rod is fixedly mounted at the inner side of the swinging frame, a fixing seat is movably sleeved on the outer surface of the limit rod, the fixing seat is fixedly connected with the mounting frame, a transmission piece is mounted at the lower end of the tooth-lacking bevel gear, and after the motor is started, a user can dial the swinging frame upwards to enable the movable shaft to drive the tooth-lacking bevel gear to move downwards.
Preferably, the transmission piece comprises a sleeving block fixedly installed at the upper end of the limiting disc, a transmission shaft is movably embedded in the inner side of the sleeving block, a group of transmission wheels are fixedly installed on the outer surfaces of the first connecting shaft, the second connecting shaft and the transmission shaft, a transmission belt is installed on the outer side of the transmission wheels in a transmission mode, a speed reducing disc is fixedly installed at the upper end of the limiting disc through the limiting plate, the output end of the speed reducing disc is fixedly connected with the transmission shaft, a fixed shaft is fixedly installed at the input end of the speed reducing disc, a transmission bevel gear is fixedly installed at the side end of the fixed shaft, the transmission bevel gear is movably meshed with the gear lack, and can be meshed with the transmission bevel gear after the gear lack bevel gear moves downwards.
Preferably, the first movable rod and the second movable rod are installed in opposite directions, so that the first movable rod and the second movable rod can be unfolded in opposite directions.
Preferably, the container cup is made of glass material, and the container cup made of glass material can facilitate the user to observe the mixture inside.
A preparation method of a preparation device for bonding a neodymium iron boron strong magnet comprises the following steps:
s1, sequentially adding magnetic powder, an adhesive, a lubricant and a curing agent into a container cup, then starting an ultrasonic generator and a motor, and stirring the mixture by the motor through a stirring shaft in the process that the ultrasonic generator enables objects in the container cup to be mixed through ultrasonic waves, so that the mixing efficiency is improved;
s2, lifting the swinging frame in the stirring process of the stirring shaft, enabling the tooth-missing bevel gear to descend and be meshed with the transmission bevel gear, judging the unfolding degree of the first movable rod and the second movable rod according to the frequency of sound generated when the transmission bevel gear is meshed with the tooth-missing bevel gear, greatly improving the mixing efficiency by unfolding the first movable rod and the second movable rod, enabling the motor to reversely rotate after mixing is completed, and retracting the first movable rod and the second movable rod;
s3, after the operation is finished, the ultrasonic generator and the motor are both closed, the sliding sleeve slides downwards under the cooperation of the telescopic frame, and the sliding sleeve can scrape the mixed materials adhered on the surface of the stirring shaft to the inner side of the container cup, so that the loss of the materials is greatly reduced.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, when the ultrasonic generator mixes magnetic powder and adhesive, the motor is started, the motor enables the stirring shaft to rotate at high speed through the fixed frame and the limiting disc, meanwhile, the swinging frame is moved downwards by a user to enable the bevel gear with the missing teeth to touch the transmission part, the transmission part can be unfolded by the first movable rod and the second movable rod, the stirring shaft can fully stir the mixture, and after stirring is completed, the user scrapes away the material adhered to the surface of the stirring shaft through the scraping part, so that the loss of the material is reduced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the structure of the container cup of the present invention;
FIG. 3 is a schematic view of the structure of the first movable rod and the second movable rod of the present invention;
FIG. 4 is a schematic diagram of a swing frame according to the present invention;
FIG. 5 is a schematic diagram of a socket block structure according to the present invention;
FIG. 6 is a schematic diagram of a speed reducer according to the present invention;
FIG. 7 is a schematic view of a cavity structure of the present invention;
fig. 8 is an enlarged view of the structure of fig. 4 a in accordance with the present invention.
In the figure: 1-an ultrasonic generator; 2-a working frame; 3-a container cup; 4-a telescopic frame; 5-a stirring mechanism; 6-stretching piece; 7-scraping piece; 8-an adjusting mechanism; 9-a transmission member; 10-an electric motor; 11-a fixing frame; 12-limiting plate; 13-a stirring shaft; 14-sliding sleeve; 15-mounting rack; 16-control panel; 17-a first movable rod; 18-a second movable rod; 19-cavity; 20-a transmission belt; 21-connecting shaft I; 22-gear one; 23-gear two; 24-connecting a second shaft; 25-fixing seats; 26-a limit rod; 27-a swing frame; 28-tooth-missing bevel gears; 29-a movable shaft; 30-a spring; 31-limiting blocks; 32-a take-up shaft; 33-a fixing ring; 34-spring; 35-a traction rope; 36-sleeving the blocks; 37-speed reducing disc; 38-a drive bevel gear; 39-a drive shaft; 40-fixed shaft.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1 and 2, a preparation device for bonding a neodymium iron boron strong magnet in the drawings comprises an ultrasonic generator 1 and a working frame 2 arranged at the side end of the ultrasonic generator 1, wherein a container cup 3 is arranged at the upper end of the working frame 2, and a telescopic frame 4 is arranged at the rear end of the working frame 2; and the stirring mechanism 5 is arranged at the lower end of the telescopic frame 4, the side end of the stirring mechanism 5 is provided with an adjusting mechanism 8, and a user can adjust the height position of the stirring mechanism 5 through the telescopic frame 4.
Referring to fig. 2 and 3, in the drawings, a stirring mechanism 5 includes a motor 10 fixedly installed at the lower end of a telescopic frame 4 through a mounting plate, the model number of the motor 10 is 86D3414-35, a mounting frame 15 is fixedly installed at the lower end of the motor 10, a control board 16 is installed at the outer side of the mounting frame 15, a fixing frame 11 is fixedly installed at the output end of the motor 10, a limiting disc 12 is fixedly installed at the lower end of the fixing frame 11, a stirring shaft 13 is fixedly installed at the lower end of the limiting disc 12, a scraping piece 7 is installed on the outer surface of the stirring shaft 13, an extending piece 6 is installed at the inner side of the stirring shaft 13, and the motor 10 can drive the stirring shaft 13 to rotate rapidly through the fixing frame 11 and the limiting disc 12.
Referring to fig. 3 and 7, the extension member 6 in the drawings includes a first movable rod 17 and a second movable rod 18 movably embedded in the inner side of the stirring shaft 13, a cavity 19 is formed in the inner side of the stirring shaft 13, a first connecting shaft 21 is fixedly installed in the inner sides of the first movable rod 17 and the second movable rod 18, both left and right ends of the first connecting shaft 21 are movably embedded in the inner side of the cavity 19, a first gear 22 is fixedly installed in the outer side of one group of connecting shafts 21, a second gear 23 is installed at the upper end of the first gear 22 in a meshed manner, a second connecting shaft 24 is fixedly installed in the inner side of the second gear 23, the second connecting shaft 24 is movably embedded in the inner side of the stirring shaft 13, and when the first connecting shaft 21 and the second connecting shaft 24 rotate clockwise, the first movable rod 17 and the second movable rod 18 can be outwards unfolded.
Referring to fig. 4 and 5, in the drawings, the adjusting mechanism 8 includes a bevel gear 28 with teeth lack movably mounted at the lower end of the mounting frame 15, a movable shaft 29 is fixedly mounted at the upper end of the bevel gear 28 with teeth lack, the upper end of the movable shaft 29 movably penetrates through the mounting frame 15, a mounting seat is fixedly arranged at the upper end of the movable shaft 29, a swinging frame 27 is mounted on the mounting seat through a movable column, a spring 30 is fixedly mounted at the lower end of the mounting seat, a limiting rod 26 is fixedly mounted at the inner side of the swinging frame 27, a fixing seat 25 is movably sleeved on the outer surface of the limiting rod 26, the fixing seat 25 is fixedly connected with the mounting frame 15, a transmission member 9 is mounted at the lower end of the bevel gear 28 with teeth lack, after the motor 10 is started, a user can dial the swinging frame 27 upwards, and the movable shaft 29 can drive the bevel gear 28 with teeth lack to move downwards.
Referring to fig. 7, the first movable rod 17 and the second movable rod 18 are installed in opposite directions, so that the first movable rod 17 and the second movable rod 18 can be unfolded in opposite directions.
Referring to fig. 1, the container cup 3 is made of glass material, and the container cup 3 made of glass material is convenient for a user to observe the mixture inside.
A preparation method of a preparation device for bonding a neodymium iron boron strong magnet comprises the following steps:
s1, sequentially adding magnetic powder, an adhesive, a lubricant and a curing agent into a container cup 3, then starting an ultrasonic generator 1 and a motor 10, wherein the motor 10 can stir the mixture through a stirring shaft 13 in the process that the ultrasonic generator 1 mixes objects in the container cup 3 through ultrasonic waves, so that the mixing efficiency is improved;
s2, in the stirring process of the stirring shaft 13, the swinging frame 27 can be lifted up to enable the tooth-missing bevel gear 28 to descend and be meshed with the transmission bevel gear 38, the unfolding degree of the movable rod 17 and the movable rod 18 can be judged through the frequency of sound generated when the transmission bevel gear 38 is meshed with the tooth-missing bevel gear 28, the unfolding of the movable rod 17 and the movable rod 18 can greatly improve the mixing efficiency, and after the mixing is completed, the motor 10 can be rotated reversely to retract the movable rod 17 and the movable rod 18;
s3, after the operation is finished, the ultrasonic generator 1 and the motor 10 are both closed, the sliding sleeve 14 slides downwards under the cooperation of the telescopic frame 4, and the sliding sleeve 14 can scrape the mixed materials adhered on the surface of the stirring shaft 13 to the inner side of the container cup 3, so that the loss of the materials is greatly reduced.
Principle of operation for effective detachment of the mixture adhering to the stirring structure: the user adds various materials into container cup 3 in proper order, can start ultrasonic generator 1 and motor 10, in the ultrasonic generator 1 makes the object in the container cup 3 mix the in-process through the ultrasonic wave, its motor 10 can stir the mixture through (mixing) shaft 13, accelerate mixing efficiency, can lift swing frame 27 in the (mixing) shaft 13 stirring process, make lack tooth bevel gear 28 descend and with transmission bevel gear 38 meshing, the number of times that produces sound when can passing transmission bevel gear 38 and lack tooth bevel gear 28 meshing, judge the degree of expansion of movable rod 17 and movable rod 18, the expansion of its movable rod 17 and movable rod 18 can increase substantially compounding efficiency, after mixing is accomplished, can make motor 10 reverse rotation, withdraw movable rod 17 and movable rod 18, after accomplishing above-mentioned operation, with ultrasonic generator 1 and motor 10 all closed, slide sleeve 14 downwardly under the cooperation of expansion bracket 4, the mixed material that the (mixing) of stirring) shaft 13 surface adhesion all is scraped to the inboard of container cup 3, greatly reduce the loss of material.
Example 2
Referring to fig. 4 and 8, in this embodiment, for further description of example 1, the scraping member 7 includes a sliding sleeve 14 movably sleeved on an outer surface of the stirring shaft 13, two groups of traction ropes 35 are fixedly embedded on an outer side of the sliding sleeve 14, an upper end of each traction rope 35 movably penetrates through the limiting disc 12, a limiting block 31 is fixedly arranged at an upper end of the limiting disc 12, a winding shaft 32 is movably embedded on an inner side of the limiting block 31, the traction ropes 35 are circumferentially arranged on an outer side of the winding shaft 32, a fixing ring 33 is fixedly arranged at a side end of the limiting block 31, a spring 34 is arranged on an inner side of the fixing ring 33, and inner and outer ends of the spring 34 are fixedly connected with the winding shaft 32 and the fixing ring 33 correspondingly.
In this embodiment: after the stirring operation is completed, the user can slide the sliding sleeve 14 downwards, and under the movable embedding of the sliding sleeve 14 and the stirring shaft 13, the mixture attached to the surface of the stirring shaft 13 can be hung off downwards in the sliding process of the sliding sleeve 14 until the mixture falls into the container cup 3, so that the loss of materials is greatly reduced.
Example 3
Referring to fig. 5-7, for further explanation of the embodiment, the driving member 9 includes a socket block 36 fixedly mounted at an upper end of the limiting disc 12, a driving shaft 39 is movably embedded at an inner side of the socket block 36, driving wheels are fixedly mounted on outer surfaces of a group of first connecting shaft 21, a group of second connecting shaft 24 and the driving shaft 39, a driving belt 20 is mounted on an outer side of the driving wheels, a speed reducing disc 37 is fixedly mounted at an upper end of the limiting disc 12 through a limiting plate, an output end of the speed reducing disc 37 is fixedly connected with the driving shaft 39, a fixed shaft 40 is fixedly mounted at an input end of the speed reducing disc 37, a driving bevel gear 38 is fixedly mounted at a side end of the fixed shaft 40, and the driving bevel gear 38 is movably meshed with the tooth-lacking bevel gear 28.
In this embodiment: after the hypocrete bevel gear 28 moves downwards, the hypocrete bevel gear 28 can be meshed with the transmission bevel gear 38, because the hypocrete bevel gear 28 is fixed, the transmission bevel gear 38 can rotate under the meshing of the hypocrete bevel gear 28 in the rapid rotation process under the action of the limiting disc 12, the rotation of the transmission bevel gear 38 is conveyed through the fixed shaft 40 and the speed reducing disc 37, the transmission shaft 39 can rotate the first connecting shaft 21 and the second connecting shaft 24 through the transmission belt 20, and a user can judge the rotation angle of the transmission shaft 39 through the sound generated when the transmission bevel gear 38 and the hypocrete bevel gear 28 are meshed.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a bonding neodymium iron boron strong magnet preparation facilities, includes supersonic generator (1) and install in supersonic generator (1) side work frame (2), its characterized in that: the upper end of the working frame (2) is provided with a container cup (3), and the rear end of the working frame (2) is provided with a telescopic frame (4);
the stirring mechanism (5) can sufficiently stir the magnetic powder and the adhesive, the stirring mechanism (5) is arranged at the lower end of the telescopic frame (4), and an adjusting mechanism (8) is arranged at the side end of the stirring mechanism (5);
the stirring mechanism (5) comprises a motor (10) fixedly installed at the lower end of the telescopic frame (4) through a mounting plate, a mounting frame (15) is fixedly installed at the lower end of the motor (10), a control board (16) is installed at the outer side of the mounting frame (15), a fixing frame (11) is fixedly installed at the output end of the motor (10), a limiting disc (12) is fixedly installed at the lower end of the fixing frame (11), a stirring shaft (13) is fixedly installed at the lower end of the limiting disc (12), a scraping piece (7) is installed on the outer surface of the stirring shaft (13), and an extending piece (6) is installed at the inner side of the stirring shaft (13);
the stretching piece (6) comprises a first movable rod (17) and a second movable rod (18) which are movably embedded in the inner side of the stirring shaft (13), a cavity (19) is formed in the inner side of the stirring shaft (13), a first connecting shaft (21) is fixedly arranged in the inner side of each of the first movable rod (17) and the inner side of the second movable rod (18), the left end and the right end of each of the first connecting shaft (21) are movably embedded in the inner side of the cavity (19), a first gear (22) is fixedly arranged in the outer side of one group of the first connecting shafts (21), a second gear (23) is meshed with the upper end of the first gear (22), a second connecting shaft (24) is fixedly arranged in the inner side of the second gear (23), and the second connecting shaft (24) is movably embedded in the inner side of the stirring shaft (13);
the scraping piece (7) comprises a sliding sleeve (14) movably sleeved on the outer surface of the stirring shaft (13), two groups of traction ropes (35) are fixedly embedded on the outer side of the sliding sleeve (14), the upper ends of the traction ropes (35) movably penetrate through the limiting disc (12), limiting blocks (31) are fixedly arranged at the upper ends of the limiting discs (12), winding shafts (32) are movably embedded on the inner sides of the limiting blocks (31), fixing rings (33) are fixedly arranged at the side ends of the limiting blocks (31) in a surrounding mode, spring (34) are arranged on the inner sides of the fixing rings (33), and the inner ends and the outer ends of the spring (34) are fixedly connected with the winding shafts (32) and the fixing rings (33) correspondingly;
the adjusting mechanism (8) comprises a tooth-lacking bevel gear (28) movably mounted at the lower end of the mounting frame (15), a movable shaft (29) is fixedly mounted at the upper end of the tooth-lacking bevel gear (28), the upper end of the movable shaft (29) movably penetrates through the mounting frame (15), a mounting seat is fixedly arranged at the upper end of the movable shaft (29), a swinging frame (27) is mounted on the mounting seat through a movable column, a spring (30) is fixedly mounted at the lower end of the mounting seat, a limiting rod (26) is fixedly mounted at the inner side of the swinging frame (27), a fixing seat (25) is movably sleeved on the outer surface of the limiting rod (26), the fixing seat (25) is fixedly connected with the mounting frame (15), and a transmission part (9) is mounted at the lower end of the tooth-lacking bevel gear (28);
the transmission piece (9) comprises a sleeving block (36) fixedly mounted at the upper end of the limiting disc (12), a transmission shaft (39) is movably embedded in the inner side of the sleeving block (36), a group of first connecting shafts (21), second connecting shafts (24) and the outer surfaces of the transmission shafts (39) are fixedly provided with transmission wheels, transmission belts (20) are mounted on the outer sides of the transmission wheels in a transmission mode, a speed reducing disc (37) is fixedly mounted at the upper end of the limiting disc (12) through a limiting plate, the output end of the speed reducing disc (37) is fixedly connected with the transmission shafts (39), a fixed shaft (40) is fixedly mounted at the input end of the speed reducing disc (37), a transmission bevel gear (38) is fixedly mounted at the side ends of the fixed shaft (40), and the transmission bevel gear (38) is movably meshed with the tooth-lacking bevel gear (28).
2. The bonded neodymium iron boron strong magnet preparation device according to claim 1, wherein: the movable rod I (17) and the movable rod II (18) are installed in opposite directions.
3. The bonded neodymium iron boron strong magnet preparation device according to claim 2, wherein: the container cup (3) is made of glass materials.
4. A method for preparing the bonded neodymium-iron-boron strong magnet preparation device according to claim 1, which is characterized in that: the method comprises the following steps:
s1, sequentially adding magnetic powder, an adhesive, a lubricant and a curing agent into a container cup (3), then starting an ultrasonic generator (1) and a motor (10), wherein the motor (10) can stir the mixture through a stirring shaft (13) in the process that the ultrasonic generator (1) enables objects in the container cup (3) to be mixed through ultrasonic waves, so that the mixing efficiency is improved;
s2, lifting the swing frame (27) in the stirring process of the stirring shaft (13), enabling the tooth-missing bevel gear (28) to descend and be meshed with the transmission bevel gear (38), judging the unfolding degree of the movable rod I (17) and the movable rod II (18) according to the frequency of sound generated when the transmission bevel gear (38) is meshed with the tooth-missing bevel gear (28), greatly improving the mixing efficiency by unfolding the movable rod I (17) and the movable rod II (18), enabling the motor (10) to reversely rotate after the mixing is completed, and retracting the movable rod I (17) and the movable rod II (18);
s3, after the operation is finished, the ultrasonic generator (1) and the motor (10) are both closed, the sliding sleeve (14) slides downwards under the cooperation of the telescopic frame (4), and the sliding sleeve (14) can scrape the mixed materials adhered on the surface of the stirring shaft (13) to the inner side of the container cup (3), so that the loss of the materials is greatly reduced.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111263389.5A CN114005670B (en) | 2021-10-28 | 2021-10-28 | Preparation method and preparation device for bonded NdFeB strong magnet |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111263389.5A CN114005670B (en) | 2021-10-28 | 2021-10-28 | Preparation method and preparation device for bonded NdFeB strong magnet |
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| CN114005670B true CN114005670B (en) | 2024-02-06 |
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