CN117753976B - Powder auxiliary forming device for magnet production - Google Patents
Powder auxiliary forming device for magnet production Download PDFInfo
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- CN117753976B CN117753976B CN202410186490.2A CN202410186490A CN117753976B CN 117753976 B CN117753976 B CN 117753976B CN 202410186490 A CN202410186490 A CN 202410186490A CN 117753976 B CN117753976 B CN 117753976B
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- 239000000843 powder Substances 0.000 title claims abstract description 47
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 238000003860 storage Methods 0.000 claims description 43
- 238000007790 scraping Methods 0.000 claims description 21
- 230000002457 bidirectional effect Effects 0.000 claims description 9
- 230000009471 action Effects 0.000 abstract description 11
- 239000012535 impurity Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 6
- 230000007547 defect Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 229910001172 neodymium magnet Inorganic materials 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention discloses a powder auxiliary forming device for magnet production, and relates to the technical field of magnet production. The invention comprises a processing table, wherein a support is fixed at the top of the processing table, the processing table further comprises an auxiliary mechanism, the auxiliary mechanism comprises a driving cylinder, an upper die, a lower die, two positioning rods and a mouth-shaped frame, the driving cylinder is fixed at the top of the support, the upper die is fixed at the bottom of a telescopic end of the driving cylinder, the mouth-shaped frame is fixed at the top of the processing table, and the lower die is slidably arranged in the mouth-shaped frame. According to the invention, the upper die is used for limiting the position of the lower die through the two positioning rods by means of the cooperation action of the driving cylinder, the upper die, the two positioning rods and the lower die, so that dislocation can be avoided when the upper die and the lower die are clamped, and the magnet forming quality is improved.
Description
Technical Field
The invention relates to the technical field of magnet production, in particular to a powder auxiliary forming device used in magnet production.
Background
In the production process of the neodymium iron boron magnetic material, after powder preparation is completed, the powder needs to be pressed and formed by a die, and the pressing and forming device completes forming through pressing between an upper die and a lower die.
The patent with the patent publication number of CN210121680U discloses a neodymium iron boron magnet shaping processingequipment, including spliced pole, public mould, base, upper cover, locating plate, dead screw, drawing of patterns cylinder and master model, compare with prior art, this patent simple structure, reasonable in design through setting up spliced pole and base, realizes the shaping of neodymium iron boron magnet on the horizontal direction, has advantages such as course of working is simple, with low costs, efficient, drawing of patterns are convenient.
However, the prior molding device has the following problems: this forming device can appear dislocation when carrying out shaping in-process to the magnet, and this can lead to the mould to receive wearing and tearing when using, shortens the life-span of mould, increases the frequency and the cost that this forming device's mould was changed, and the dislocation appears simultaneously and can lead to the magnet can not satisfy the specification requirement to increase the rejection rate, consequently, we have proposed a powder auxiliary forming device for in the magnet production.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a powder auxiliary forming device for magnet production, which solves the problem that the forming device provided in the prior art can cause dislocation when a die of the forming device is closed in the process of forming a magnet, so that the die is worn in use, the service life of the die is shortened, the die replacement frequency and cost of the forming device are increased, and meanwhile, the magnet can not meet the specification requirement due to dislocation when the die is closed, so that the rejection rate is increased.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the powder auxiliary forming device for the magnet production comprises a processing table, an auxiliary mechanism, a demolding mechanism, an anti-adhesion mechanism and a feeding mechanism, wherein a bracket is fixed at the top of the processing table;
The auxiliary mechanism comprises a driving cylinder, an upper die, a lower die, two positioning rods and a mouth-shaped frame, wherein the driving cylinder is fixed at the top of a support, the upper die is fixed at the bottom of a telescopic end of the driving cylinder, the telescopic end of the driving cylinder pushes the upper die to move downwards, the mouth-shaped frame is fixed at the top of a processing table, the lower die is slidably mounted in the mouth-shaped frame, a spring is arranged between the lower die and the back of the inner wall of the mouth-shaped frame, the two positioning rods are respectively fixed on the front and the back of the upper die, chamfer angles are respectively arranged at the bottom of one side, close to each other, of the two positioning rods and the front and the back of the lower die, and slots matched with the two positioning rods are formed in the top of the processing table.
Further, the auxiliary mechanism further comprises a U-shaped arc block rod and a half arc block, the U-shaped arc block rod is fixed at the bottom of the positioning rod at the back, a plurality of arc blocks are fixed on the front face of the U-shaped arc block rod, and meanwhile, in the process that the upper die drives the positioning rod to move downwards, the positioning rod at the back drives the U-shaped arc block rod to move downwards, the half arc block is fixed at the top of the back of the lower die, and the half arc block is located on the arc block movement track of the U-shaped arc block rod.
Further, demoulding mechanism includes two-way telescopic link, electric putter, T shape disc pole, two-way telescopic link fixes the below inner wall department at the processing platform, electric putter fixes at the top surface middle part of two-way telescopic link, T shape disc pole runs through and slidable mounting is in the inner wall bottom of bed die, and the bottom of T shape disc pole is fixed at electric putter's flexible end top.
Further, the demolding mechanism further comprises a contact supporting rod, an elastic piece, a contact supporting wheel, a knocking rod and a convex rod, wherein a cavity is formed in the bottom of the T-shaped disc rod, a through hole is formed in the front of the bottom of the T-shaped disc rod, the knocking rod is slidably arranged in the cavity of the T-shaped disc rod, the top of the knocking rod is contacted with the top of the inner wall of the cavity, one end of the elastic piece is fixed at the bottom of the knocking rod, and the other end of the elastic piece is fixed at the top of the telescopic end of the electric push rod;
The conflict pole runs through and slidable mounting is at T shape disc pole back below outer wall, and when T shape disc pole upwards moved simultaneously, T shape disc pole drive to support the feeler lever and upwards move, conflict wheel rotation is installed in the front of supporting the feeler lever, and the outer wall of conflict wheel and the outer wall contact of shell fragment, the top at two-way telescopic link is fixed to the billiard pole, and the front of billiard pole is fixed with a plurality of protruding ball, the protruding ball of billiard pole is located the back motion track of supporting the feeler lever.
Further, antiseized attached mechanism includes L shape frame, slide bar, articulated lever, collects box, a plurality of scraper blade, L shape frame is fixed on the right side of last mould, the slide bar runs through and slidable mounting is in the left side of L shape frame, and at every turn upward mould downwardly moving, go up mould and drive L shape frame and slide bar downwardly moving, the one end of articulated lever articulates on the right side of slide bar, the other end of articulated lever articulates at the top of processing platform, collect the top at the slide bar, articulated lever promotes the slide bar to remove along L shape frame right, and the slide bar drives to collect the box and remove right, and a plurality of the even equidistance of scraper blade is fixed in the inner wall top of collecting the box, and a plurality of scraper blade and the bottom surface contact of last mould.
Further, the anti-adhesion mechanism further comprises a bump wheel, a plurality of impact rods, a sliding plate and two cambered surface rods, the bump wheel is rotatably arranged on the right side of the inner wall of the collecting box, the outer wall of the bump wheel is in contact with the bottom surface of the upper die, the collecting box drives the bump wheel to synchronously move, when the bump wheel moves to the bottom surface of the upper die, the upper die pushes the bump wheel to rotate under the action of friction force between the upper die and the bump wheel, and bumps are fixed on the front surface and the back surface of the bump wheel;
The slide slidable mounting is in the inside of collecting the box, and is equipped with the spring between the inner wall bottom of slide and collecting the box, two the cambered surface pole is fixed respectively in the right side openly and the back of slide, and the top of cambered surface pole is located the lug motion track of lug wheel, and the lug wheel drives the lug on it and rotates, and the lug of lug wheel promotes the cambered surface pole and drives the slide and move down along the inside of collecting the box, a plurality of the even equidistance of striking pole is fixed at the top of slide, and the top of a plurality of striking pole and the bottom contact of a plurality of scraper blade.
Further, feed mechanism includes storage case, baffle, worker's shape wheel, threaded rod, L shaped plate, the bar groove has been seted up in the left side of processing platform, the threaded rod rotates the bar inslot portion of installing at processing platform, and the threaded rod passes through motor drive, L shaped plate threaded connection is in the outside of threaded rod, and L shaped plate slidable mounting is in the bar inslot portion of processing platform, when needs add the powder to the bed die, through motor drive threaded rod corotation, the threaded rod drives L shaped plate and removes to the direction of bed die, the top at L shaped plate is fixed to the storage case, the discharge gate has been seted up on the bottom right side of storage case, worker's shape wheel is rotated and is installed in the bottom left side of storage case, and is equipped with the torsional spring between the outer wall of worker's shape wheel, and the top surface of going up the mould is located the runner motion trail of worker's shape wheel, and L shaped plate drive storage case and worker's shape wheel and the direction removal of bed die, when worker's shape wheel and bed die top surface contact, the bed die top surface contradicts worker wheel takes place to rotate, the baffle is fixed on the middle part right side of worker's shape wheel.
Further, feed mechanism still includes Y shape ejector pin, flexible post, swash plate, two lug poles, logical groove has all been seted up on the left side openly and the back of storage case, Y shape ejector pin slidable mounting is at the logical inslot portion of storage case, the inner wall top at Y shape ejector pin is fixed to the one end of flexible post, the inner wall bottom at the storage case is fixed to the other end of flexible post, the swash plate is fixed at the top of Y shape ejector pin, two the lug pole is built in respectively in the top front side and the rear side of bed die, the top of lug pole is fixed with a plurality of lug, two the lug of lug pole is located the bottom openly of Y shape ejector pin and back motion trail.
The invention provides a powder auxiliary forming device used in magnet production. The beneficial effects are as follows:
(1) According to the invention, through the arrangement of the auxiliary mechanism, the driving cylinder, the upper die, the two positioning rods and the lower die are matched, so that the upper die is limited in position by the two positioning rods, and the problems that the upper die and the lower die are worn during use and the magnet cannot meet the specification requirement due to dislocation during die assembly of the upper die and the lower die are avoided. Meanwhile, through the arrangement of the positioning rod and the chamfer of the lower die, the chamfer of the positioning rod is beneficial to pushing the chamfer of the lower die to drive the lower die to be positioned right below the upper die; meanwhile, the upper die, the positioning rod, the U-shaped arc block rod and the half arc block are matched to push the lower die to drive powder in the lower die to shake, so that the powder is uniformly spread in the lower die, the accuracy of the magnet in forming is facilitated, the uniform powder distribution is beneficial to avoiding uneven shrinkage or deformation in the magnet forming process, and the final magnet component is ensured to meet the design requirement.
(2) According to the invention, through the arrangement of the demoulding mechanism, the driving cylinder, the upper mould and the electric push rod are matched to drive the T-shaped disc rod to push the magnet formed in the lower mould to move upwards, so that the demoulding operation of the magnet is realized; meanwhile, the T-shaped disc rod, the contact supporting rod, the convex club, the contact supporting wheel and the elastic piece are matched to drive the knocking rod to knock the top of the inner wall of the T-shaped disc rod, the T-shaped disc rod vibrates, the T-shaped disc rod drives the formed magnet to vibrate, and therefore separation of the magnet and the lower die is promoted, and then demolding efficiency of the magnet is improved.
(3) According to the invention, through the arrangement of the anti-adhesion mechanism, the upper die, the L-shaped frame, the sliding rod, the hinging rod and the collecting box are matched to drive the scraping plate to scrape impurities adhered to the bottom surface of the upper die, and the impurities scraped by the scraping plate can fall into the collecting box to be collected, so that the problem that the defects of non-uniformity or irregularity on the surface of a magnet caused by the adhesion of impurities on the bottom surface of the upper die are avoided. Meanwhile, the collecting box, the bump wheel, the upper die, the cambered surface rod and the sliding plate are matched to drive the impact rod to knock the scraping plate, the scraping plate vibrates and shakes off impurities adhered to the scraping plate, and therefore the scraping efficiency of the scraping plate on impurities adhered to the bottom surface of the upper die is improved.
(4) According to the invention, through the arrangement of the feeding mechanism, the threaded rod, the L-shaped plate, the storage box and the I-shaped wheel are matched to drive the baffle to swing downwards, the baffle opens the discharge hole of the storage box, and powder in the storage box falls into the lower die through the baffle, so that automatic powder discharging is realized, manual intervention is reduced, and the labor intensity of workers is reduced. Meanwhile, the Y-shaped ejector rod is driven to move when the storage box moves, the lug of the lug rod pushes the Y-shaped ejector rod to move upwards, the Y-shaped ejector rod drives the inclined plate to move upwards, when the lug of the lug rod does not push the Y-shaped ejector rod, the telescopic column drives the Y-shaped ejector rod to reset and move downwards under the elastic action of the telescopic column, the Y-shaped ejector rod drives the inclined plate to move downwards, so that the inclined plate reciprocates, the inclined plate drives powder in the storage box to shake up and down, and therefore the efficiency of the powder falling into a lower die from the baffle plate is improved, and the problem that the powder is blocked at a discharge hole of the storage box and is abnormal in blanking is avoided.
Drawings
FIG. 1 is a schematic diagram of the overall invention;
FIG. 2 is a schematic bottom view of the whole of the present invention;
FIG. 3 is a schematic view of an accessory mechanism of the present invention;
FIG. 4 is a rear three-dimensional schematic view of the assist mechanism of the present invention;
FIG. 5 is a schematic partial cross-sectional view of a stripping mechanism of the present invention;
FIG. 6 is an enlarged schematic view of the structure of FIG. 5A according to the present invention;
FIG. 7 is a schematic view of an anti-sticking mechanism of the present invention;
FIG. 8 is a schematic view of a partial structure of an anti-sticking mechanism of the present invention;
Fig. 9 is a schematic partial cross-sectional view of a feed mechanism of the present invention.
In the figure: 1. a processing table; 11. a bracket; 2. an auxiliary mechanism; 21. a drive cylinder; 22. an upper die; 23. a lower die; 24. a positioning rod; 25. a mouth-shaped frame; 26. a U-shaped arc block rod; 27. a half arc block; 3. a demoulding mechanism; 31. a bidirectional telescopic rod; 32. an electric push rod; 33. a T-shaped disc lever; 34. a touch-up rod; 35. a spring plate; 36. a contact wheel; 37. knocking the rod; 38. a cue; 4. an anti-sticking mechanism; 41. an L-shaped frame; 42. a slide bar; 43. a hinge rod; 44. a collection box; 45. a scraper; 46. a bump wheel; 47. a striker rod; 48. a slide plate; 49. a cambered surface rod; 5. a feed mechanism; 51. a storage bin; 52. a baffle; 53. an I-shaped wheel; 54. a threaded rod; 55. an L-shaped plate; 56. y-shaped ejector rod; 57. a telescopic column; 58. a sloping plate; 59. and a bump bar.
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.
Referring to fig. 1-9, one embodiment of the present invention is: a powder auxiliary forming device for magnet production comprises a processing table 1, wherein a bracket 11 is fixed at the top of the processing table 1, and the powder auxiliary forming device also comprises an auxiliary mechanism 2, a demoulding mechanism 3, an anti-adhesion mechanism 4 and a feeding mechanism 5.
The auxiliary mechanism 2 comprises a driving cylinder 21, an upper die 22, a lower die 23, two positioning rods 24 and a mouth-shaped frame 25, wherein the driving cylinder 21 is fixed at the top of the bracket 11, the upper die 22 is fixed at the bottom of the telescopic end of the driving cylinder 21, the telescopic end of the driving cylinder 21 pushes the upper die 22 to move downwards, the mouth-shaped frame 25 is fixed at the top of the processing table 1, the lower die 23 is slidably mounted in the mouth-shaped frame 25, a spring is arranged between the lower die 23 and the back of the inner wall of the mouth-shaped frame 25, the two positioning rods 24 are respectively fixed at the front and the back of the upper die 22, chamfer angles are respectively arranged at the bottom of one side, close to each other, of the two positioning rods 24 and the front and the back of the lower die 23, and slots matched with the two positioning rods 24 are formed in the top of the processing table 1. The upper die 22 drives the two positioning rods 24 to move downwards, the two positioning rods 24 are contacted with the front side and the rear side of the lower die 23, so that the upper die 22 limits the position of the lower die 23 through the two positioning rods 24, dislocation can be avoided when the upper die 22 and the lower die 23 are clamped, the upper die 22 and the lower die 23 are worn and the magnet cannot meet the specification requirement when in use, and meanwhile, the chamfering of the positioning rods 24 and the chamfering of the lower die 23 are arranged, so that the chamfering of the positioning rods 24 is beneficial to pushing the chamfering of the lower die 23 to drive the lower die 23 to be positioned under the upper die 22.
The auxiliary mechanism 2 further comprises a U-shaped arc block rod 26 and a half arc block 27, the U-shaped arc block rod 26 is fixed at the bottom of the positioning rod 24 on the back, a plurality of arc blocks are fixed on the front face of the U-shaped arc block rod 26, and meanwhile, in the process that the upper die 22 drives the positioning rod 24 to move downwards, the positioning rod 24 on the back drives the U-shaped arc block rod 26 to move downwards, the half arc block 27 is fixed at the top of the back face of the lower die 23, and the half arc block 27 is located on an arc block movement track of the U-shaped arc block rod 26. When the arc block of the U-shaped arc block rod 26 does not push the half arc block 27, the lower die 23 moves towards the back of the processing table 1 along the opening frame 25, and the lower die 23 moves towards the back of the processing table 1 along the opening frame 25 under the action of the corresponding spring force of the lower die 23, so that the lower die 23 drives powder in the lower die 23 to shake, so that the powder is uniformly spread in the lower die 23, the accuracy of the magnet in forming is facilitated, uniform powder distribution is beneficial to avoiding uneven shrinkage or deformation in the magnet forming process, and the final magnet component is ensured to meet the design requirement.
The demoulding mechanism 3 comprises a bidirectional telescopic rod 31, an electric push rod 32 and a T-shaped disc rod 33, wherein the bidirectional telescopic rod 31 is fixed at the inner wall of the lower part of the processing table 1, the electric push rod 32 is fixed at the middle part of the top surface of the bidirectional telescopic rod 31, the T-shaped disc rod 33 penetrates through and is slidably mounted at the bottom of the inner wall of the lower mould 23, and the bottom of the T-shaped disc rod 33 is fixed at the top of the telescopic end of the electric push rod 32. After the magnet is formed, the driving cylinder 21 is started again, the telescopic end of the driving cylinder 21 drives the upper die 22 to move upwards, then the electric push rod 32 is started, the telescopic end of the electric push rod 32 pushes the T-shaped disc rod 33 to move upwards, and the T-shaped disc rod 33 pushes the magnet formed in the lower die 23 to move upwards, so that the demolding operation of the magnet is realized.
The demoulding mechanism 3 further comprises a supporting contact rod 34, an elastic sheet 35, a supporting wheel 36, a knocking rod 37, a convex rod 38, a cavity is formed in the bottom of the T-shaped disc rod 33, a through hole is formed in the front of the bottom of the T-shaped disc rod 33, the knocking rod 37 is slidably mounted in the cavity of the T-shaped disc rod 33, the top of the knocking rod 37 is in contact with the top of the inner wall of the cavity, one end of the elastic sheet 35 is fixed to the bottom of the knocking rod 37, the other end of the elastic sheet 35 is fixed to the top of the telescopic end of the electric push rod 32, and the supporting rod 34 penetrates through and is slidably mounted on the outer wall below the back of the T-shaped disc rod 33. Meanwhile, when the T-shaped disc rod 33 moves upwards, the T-shaped disc rod 33 drives the contact rod 34 to move upwards, the contact wheel 36 is rotatably arranged on the front surface of the contact rod 34, the outer wall of the contact wheel 36 is in contact with the outer wall of the elastic piece 35, the convex rod 38 is fixed at the top of the bidirectional telescopic rod 31, a plurality of convex balls are fixed on the front surface of the convex rod 38, and the convex balls of the convex rod 38 are positioned on the back movement track of the contact rod 34. The convex ball of the convex rod 38 pushes the contact resisting rod 34 to move in the direction away from the convex rod 38, the contact resisting wheel 36 is driven by the contact resisting rod 34 to push the elastic sheet 35 to bulge and deform, the knocking rod 37 is pulled to move downwards along the cavity of the T-shaped disc rod 33 when the elastic sheet 35 deforms, when the convex ball of the convex rod 38 does not push the contact resisting rod 34, the contact resisting wheel 36 is not driven by the contact resisting rod 34 to push the elastic sheet 35, the elastic sheet 35 resets under the action of self elasticity, the elastic sheet 35 drives the knocking rod 37 to knock the top of the inner wall of the T-shaped disc rod 33, the T-shaped disc rod 33 vibrates, and the T-shaped disc rod 33 drives the formed magnet to vibrate, so that the separation of the magnet and the lower die 23 is promoted, and the demolding efficiency of the magnet is improved.
The anti-adhesion mechanism 4 comprises an L-shaped frame 41, a sliding rod 42, a hinging rod 43, a collecting box 44 and a plurality of scraping plates 45, wherein the L-shaped frame 41 is fixed on the right side of the upper die 22, the sliding rod 42 penetrates through and is slidably arranged on the left side of the L-shaped frame 41, the upper die 22 drives the L-shaped frame 41 and the sliding rod 42 to move downwards when the upper die 22 moves downwards each time, one end of the hinging rod 43 is hinged on the right side of the sliding rod 42, the other end of the hinging rod 43 is hinged on the top of the processing table 1, and the collecting box 44 is fixed on the top of the sliding rod 42. The articulated rod 43 promotes slide bar 42 to move rightwards along L-shaped frame 41, and slide bar 42 drives and collects box 44 to move rightwards, and a plurality of scraper blade 45 are evenly equidistantly fixed in the inner wall top of collecting box 44, and a plurality of scraper blade 45 and the bottom surface contact of last mould 22, collect box 44 drive scraper blade 45 scrape the impurity of last mould 22 bottom surface adhesion, and the impurity that scraper blade 45 scraped can fall to collect box 44 to the adhesion of last mould 22 bottom surface has the impurity, leads to the problem that the inhomogeneous or irregular defect appears on the magnet surface has been avoided.
The anti-adhesion mechanism 4 further comprises a bump wheel 46, a plurality of impact rods 47, a sliding plate 48 and two cambered surface rods 49, wherein the bump wheel 46 is rotatably arranged on the right side of the inner wall of the collection box 44, the outer wall of the bump wheel 46 is in contact with the bottom surface of the upper die 22, meanwhile, the collection box 44 drives the bump wheel 46 to synchronously move, when the bump wheel 46 moves to the bottom surface of the upper die 22, under the action of friction force between the upper die 22 and the bump wheel 46, the upper die 22 pushes the bump wheel 46 to rotate, the front surface and the back surface of the bump wheel 46 are both fixedly provided with bumps, the sliding plate 48 is slidably arranged in the collection box 44, springs are arranged between the sliding plate 48 and the bottom of the inner wall of the collection box 44, the two cambered surface rods 49 are respectively fixed on the right side front surface and the back surface of the sliding plate 48, and the top of the cambered surface rods 49 are positioned on the bump movement track of the bump wheel 46. The lug wheel 46 drives the lug on the lug wheel to rotate, the lug of the lug wheel 46 pushes the cambered surface rod 49 to drive the sliding plate 48 to move downwards along the inside of the collecting box 44, the plurality of impact rods 47 are uniformly and equidistantly fixed at the top of the sliding plate 48, the top of the plurality of impact rods 47 is contacted with the bottom of the plurality of scraping plates 45, the sliding plate 48 drives the impact rods 47 to be far away from the scraping plates 45, when the lug of the lug wheel 46 does not push the cambered surface rod 49, the sliding plate 48 resets and moves upwards under the action of the corresponding spring force of the sliding plate 48, the sliding plate 48 drives the impact rods 47 to knock the scraping plates 45, the scraping plates 45 vibrate and shake off impurities adhered to the bottom surface of the upper die 22, and accordingly the scraping efficiency of the scraping plates 45 on the impurities adhered to the bottom surface of the upper die 22 is improved.
The feeding mechanism 5 comprises a storage box 51, a baffle plate 52, an I-shaped wheel 53, a threaded rod 54 and an L-shaped plate 55, a strip-shaped groove is formed in the left side of the processing table 1, the threaded rod 54 is rotatably arranged inside the strip-shaped groove of the processing table 1, the threaded rod 54 is driven by a motor, the L-shaped plate 55 is in threaded connection with the outside of the threaded rod 54, and the L-shaped plate 55 is slidably arranged inside the strip-shaped groove of the processing table 1. When powder is required to be added into the lower die 23, the threaded rod 54 is driven by a motor to rotate positively, the threaded rod 54 drives the L-shaped plate 55 to move towards the lower die 23, the storage box 51 is fixed at the top of the L-shaped plate 55, the discharge hole is formed in the right side of the bottom of the storage box 51, the H-shaped wheel 53 is rotatably installed at the left side of the bottom of the storage box 51, a torsion spring is arranged between the H-shaped wheel 53 and the outer wall of the storage box 51, the top surface of the upper die 22 is located on the rotating wheel movement track of the H-shaped wheel 53, the L-shaped plate 55 drives the storage box 51 and the H-shaped wheel 53 to move towards the lower die 23, when the H-shaped wheel 53 contacts with the top surface of the lower die 23, the top surface of the lower die 23 abuts against the H-shaped wheel 53 to rotate, the baffle 52 is fixed on the right side of the middle of the H-shaped wheel 53, the H-shaped wheel 53 drives the baffle 52 to swing downwards, the baffle 52 opens the discharge hole of the storage box 51, and the powder in the storage box 51 falls into the lower die 23 through the baffle 52, so that automatic powder discharging of the powder is realized, manual intervention is reduced, and the working strength of workers is reduced.
The feeding mechanism 5 further comprises a Y-shaped ejector rod 56, a telescopic column 57, an inclined plate 58 and two lug rods 59, through grooves are formed in the front face and the back face of the left side of the storage box 51, the Y-shaped ejector rod 56 is slidably mounted in the through grooves of the storage box 51, one end of the telescopic column 57 is fixed to the top of the inner wall of the Y-shaped ejector rod 56, the other end of the telescopic column 57 is fixed to the bottom of the inner wall of the storage box 51, the inclined plate 58 is fixed to the top of the Y-shaped ejector rod 56, the two lug rods 59 are respectively embedded in the front side and the back side of the top of the lower die 23, and a plurality of lugs are fixed to the top of the lug rods 59. The lug of two lug poles 59 is located on the bottom front and back movement track of Y-shaped ejector pin 56, can drive Y-shaped ejector pin 56 and follow the removal when storage box 51 removes simultaneously, the lug of lug pole 59 promotes Y-shaped ejector pin 56 and upwards moves, Y-shaped ejector pin 56 drives swash plate 58 and upwards moves, when the lug of lug pole 59 does not promote Y-shaped ejector pin 56, under the elasticity effect of telescopic column 57, telescopic column 57 drives Y-shaped ejector pin 56 to reset and downwards move, Y-shaped ejector pin 56 drives swash plate 58 and downwards moves, so reciprocating, swash plate 58 drives the powder in the storage box 51 to shake from top to bottom, thereby promoted the efficiency that the powder falls to lower mould 23 from baffle 52, thereby avoid the powder to block up at the discharge gate of storage box 51, lead to the unusual problem of powder unloading.
When the mold is used, powder is placed into the lower mold 23, the driving cylinder 21 is started, the telescopic end of the driving cylinder 21 pushes the upper mold 22 to move downwards, the upper mold 22 drives the two positioning rods 24 to move downwards, the two positioning rods 24 are contacted with the front side and the rear side of the lower mold 23, so that the upper mold 22 limits the position of the lower mold 23 through the two positioning rods 24, dislocation is avoided when the upper mold 22 and the lower mold 23 are assembled, and the upper mold 22 and the lower mold 23 are worn when in use, and the magnet cannot meet the specification requirement. Meanwhile, through the arrangement of the positioning rod 24 and the chamfer of the lower die 23, the chamfer of the positioning rod 24 is beneficial to pushing the chamfer of the lower die 23 to drive the lower die 23 to be positioned right below the upper die 22; meanwhile, in the process that the upper die 22 drives the positioning rod 24 to move downwards, the positioning rod 24 on the back drives the U-shaped arc block rod 26 to move downwards, the arc block of the U-shaped arc block rod 26 pushes the half arc block 27 to drive the lower die 23 to move towards the front of the processing table 1 along the mouth frame 25, when the arc block of the U-shaped arc block rod 26 does not push the half arc block 27, under the action of the corresponding spring force of the lower die 23, the lower die 23 moves towards the back of the processing table 1 along the mouth frame 25, and the lower die 23 reciprocates in such a way, the powder in the lower die 23 drives the powder to shake, so that the powder is uniformly spread inside the lower die 23, the accuracy of the magnet in forming is facilitated, the uniform powder distribution helps to avoid uneven shrinkage or deformation in the magnet forming process, and the final magnet part is ensured to meet the design requirements.
After the magnet is formed, the driving cylinder 21 is started again, the telescopic end of the driving cylinder 21 drives the upper die 22 to move upwards, then the electric push rod 32 is started, the telescopic end of the electric push rod 32 pushes the T-shaped disc rod 33 to move upwards, and the T-shaped disc rod 33 pushes the magnet formed in the lower die 23 to move upwards, so that the demolding operation of the magnet is realized. Meanwhile, when the T-shaped disc rod 33 moves upwards, the T-shaped disc rod 33 drives the abutting rod 34 to move upwards, the convex ball of the convex rod 38 pushes the abutting rod 34 to move away from the convex rod 38, the abutting rod 34 drives the abutting wheel 36 to push the elastic piece 35 to bulge and deform, the striking rod 37 is pulled to move downwards along the cavity of the T-shaped disc rod 33 when the elastic piece 35 deforms, when the convex ball of the convex rod 38 does not push the abutting rod 34, the abutting rod 34 does not drive the abutting wheel 36 to push the elastic piece 35, the elastic piece 35 resets under the action of self elasticity, the elastic piece 35 drives the striking rod 37 to strike the top of the inner wall of the T-shaped disc rod 33, the T-shaped disc rod 33 vibrates, the T-shaped disc rod 33 drives the formed magnet to vibrate, and therefore separation of the magnet and the lower die 23 is promoted, and the demolding efficiency of the magnet is improved.
When the upper die 22 moves downwards each time, the upper die 22 drives the L-shaped frame 41 and the slide bar 42 to move downwards, the hinged rod 43 pushes the slide bar 42 to move rightwards along the L-shaped frame 41, the slide bar 42 drives the collecting box 44 to move rightwards, the collecting box 44 drives the scraping plate 45 to scrape impurities adhered to the bottom surface of the upper die 22, and the impurities scraped by the scraping plate 45 can fall into the collecting box 44 to be collected, so that the problem that the impurities adhered to the bottom surface of the upper die 22 cause uneven or irregular defects on the surface of a magnet is avoided. Meanwhile, the collecting box 44 drives the bump wheel 46 to synchronously move, when the bump wheel 46 moves to the bottom surface of the upper die 22, under the action of friction force between the upper die 22 and the bump wheel 46, the upper die 22 pushes the bump wheel 46 to rotate, the bump wheel 46 drives bumps on the bump wheel 46 to rotate, the bump pushing cambered surface rod 49 of the bump wheel 46 drives the sliding plate 48 to move downwards along the inside of the collecting box 44, the sliding plate 48 drives the impact rod 47 to be far away from the scraping plate 45, when the bump of the bump wheel 46 does not push the cambered surface rod 49, under the action of spring elasticity corresponding to the sliding plate 48, the sliding plate 48 resets and moves upwards, the sliding plate 48 drives the impact rod 47 to knock the scraping plate 45, and the scraping plate 45 vibrates and shakes off impurities adhered to the bottom surface of the upper die 22, so that the scraping plate 45 scrapes off the impurities adhered to the bottom surface of the upper die 22.
When powder is required to be added into the lower die 23, the motor drives the threaded rod 54 to rotate positively, the threaded rod 54 drives the L-shaped plate 55 to move towards the lower die 23, the L-shaped plate 55 drives the storage box 51 and the I-shaped wheel 53 to move towards the lower die 23, when the I-shaped wheel 53 contacts with the top surface of the lower die 23, the top surface of the lower die 23 abuts against the I-shaped wheel 53 to rotate, the I-shaped wheel 53 drives the baffle 52 to swing downwards, the baffle 52 opens a discharge hole of the storage box 51, and powder in the storage box 51 falls into the lower die 23 through the baffle 52, so that automatic powder discharging is realized, manual intervention is reduced, and labor intensity of workers is reduced. Meanwhile, when the storage box 51 moves, the Y-shaped ejector rod 56 is driven to move along with the movement of the Y-shaped ejector rod 56, the Y-shaped ejector rod 56 drives the inclined plate 58 to move upwards, when the convex block of the convex block rod 59 does not push the Y-shaped ejector rod 56, under the elastic force of the telescopic column 57, the telescopic column 57 drives the Y-shaped ejector rod 56 to reset and move downwards, the Y-shaped ejector rod 56 drives the inclined plate 58 to move downwards, and the inclined plate 58 reciprocates in such a way, so that the inclined plate 58 drives powder in the storage box 51 to shake up and down, and the efficiency of the powder falling into the lower die 23 from the baffle plate 52 is promoted, so that the problem that the powder is blocked at a discharge hole of the storage box 51 and the powder blanking is abnormal is avoided.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (2)
1. The powder auxiliary forming device for the magnet production comprises a processing table (1), wherein a bracket (11) is fixed at the top of the processing table (1), and the powder auxiliary forming device is characterized by further comprising an auxiliary mechanism (2), a demolding mechanism (3), an anti-adhesion mechanism (4) and a feeding mechanism (5);
The auxiliary mechanism (2) comprises a driving cylinder (21), an upper die (22), a lower die (23), two positioning rods (24) and a mouth-shaped frame (25), wherein the driving cylinder (21) is fixed at the top of the bracket (11), the upper die (22) is fixed at the bottom of the telescopic end of the driving cylinder (21), the mouth-shaped frame (25) is fixed at the top of the processing table (1), the lower die (23) is slidably arranged in the mouth-shaped frame (25), a spring is arranged between the lower die (23) and the back of the inner wall of the mouth-shaped frame (25), the two positioning rods (24) are respectively fixed at the front and the back of the upper die (22), and a slot matched with the two positioning rods (24) is formed in the top of the processing table (1);
The demolding mechanism (3) comprises a bidirectional telescopic rod (31), an electric push rod (32) and a T-shaped disc rod (33), wherein the bidirectional telescopic rod (31) is arranged at the inner wall below the processing table (1), the electric push rod (32) is arranged in the middle of the top surface of the bidirectional telescopic rod (31), the T-shaped disc rod (33) penetrates through and is slidably arranged at the bottom of the inner wall of the lower mold (23), and the bottom of the T-shaped disc rod (33) is arranged at the top of the telescopic end of the electric push rod (32);
The bottom of the T-shaped disc rod (33) is provided with a cavity, the front surface of the bottom of the T-shaped disc rod (33) is provided with a through hole, a knocking rod (37) is slidably arranged in the cavity of the T-shaped disc rod (33), the top of the knocking rod (37) is contacted with the top of the inner wall of the cavity, the bottom of the knocking rod (37) is provided with an elastic sheet (35), and the end part, far away from the knocking rod (37), of the elastic sheet (35) is arranged at the top of the telescopic end of the electric push rod (32);
The outer wall below the back of the T-shaped disc rod (33) penetrates through and is provided with a contact supporting rod (34) in a sliding manner, the end part of the contact supporting rod (34) is rotatably provided with a contact supporting wheel (36), the outer edge of the contact supporting wheel (36) is in contact with the outer wall of the elastic sheet (35), a ball rod (38) is arranged on the bidirectional telescopic rod (31), a plurality of balls are fixed on the front surface of the ball rod (38), and the balls of the ball rod (38) are positioned on the back movement track of the contact supporting rod (34);
The anti-adhesion mechanism (4) comprises an L-shaped frame (41), a sliding rod (42), a hinging rod (43), a collecting box (44) and a plurality of scrapers (45), wherein the L-shaped frame (41) is fixed on the right side of an upper die (22), the sliding rod (42) penetrates through and is slidably arranged on the L-shaped frame (41), one end of the hinging rod (43) is hinged on the right side of the sliding rod (42), the other end of the hinging rod (43) is hinged on a processing table (1), the collecting box (44) is fixed at the end part of the sliding rod (42), the plurality of scrapers (45) are uniformly and equidistantly fixed above the inner wall of the collecting box (44), and the plurality of scrapers (45) are in contact with the bottom surface of the upper die (22);
A bump wheel (46) is rotatably arranged on the inner side of the collecting box (44), the outer wall of the bump wheel (46) is in contact with the bottom surface of the upper die (22), and bumps are fixed on the front surface and the back surface of the bump wheel (46);
a sliding plate (48) is arranged in the collecting box (44) in a sliding manner, a spring is arranged between the sliding plate (48) and the inner bottom surface of the collecting box (44), cambered surface rods (49) are respectively arranged on the front surface and the back surface of the sliding plate (48), the top of each cambered surface rod (49) is positioned on the convex block movement track of each convex block wheel (46), a plurality of impact rods (47) are arranged at the top of the sliding plate (48), and the top of each impact rod (47) is in contact with the bottom of each scraping plate (45);
The feeding mechanism (5) comprises a storage box (51), a baffle (52), an I-shaped wheel (53), a threaded rod (54) and an L-shaped plate (55), wherein a strip-shaped groove is formed in the left side of the processing table (1), the threaded rod (54) is rotatably arranged in the strip-shaped groove of the processing table (1), the threaded rod (54) is driven by a motor, the L-shaped plate (55) is slidably arranged in the strip-shaped groove of the processing table (1), and the L-shaped plate (55) is driven to move by the threaded rod (54);
The storage box (51) is fixed at the top of the L-shaped plate (55), a discharge hole is formed in the side face of the bottom of the storage box (51), the I-shaped wheel (53) is rotatably arranged at the bottom of the storage box (51), a torsion spring is arranged between the I-shaped wheel (53) and the outer wall of the storage box (51), the top face of the upper die (22) is positioned on the rotating wheel movement track of the I-shaped wheel (53), and the baffle plate (52) is fixed on the right side of the middle of the I-shaped wheel (53);
The feeding mechanism (5) further comprises a Y-shaped ejector rod (56), a telescopic column (57), an inclined plate (58) and two lug rods (59), through grooves are formed in the front face and the back face of the left side of the storage box (51), the Y-shaped ejector rod (56) is slidably mounted in the through grooves of the storage box (51), one end of the telescopic column (57) is fixed to the top of the inner wall of the Y-shaped ejector rod (56), and the other end of the telescopic column (57) is fixed to the bottom of the inner wall of the storage box (51);
The inclined plate (58) is fixed at the top of the Y-shaped ejector rod (56), two lug rods (59) are respectively embedded and fixed at the front side and the rear side of the top of the lower die (23), a plurality of lugs are fixed at the top of the lug rods (59), and the lugs of the two lug rods (59) are positioned on the front and the rear movement tracks of the bottom of the Y-shaped ejector rod (56).
2. A powder auxiliary forming device for use in magnet production according to claim 1, wherein the bottom of the positioning rod (24) is provided with a U-shaped arc block rod (26), and the U-shaped arc block rod (26) is provided with a plurality of arc blocks;
the top of the back of the lower die (23) is provided with a half arc block (27), and the half arc block (27) is positioned on an arc block movement track of the U-shaped arc block rod (26).
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| CN202410186490.2A CN117753976B (en) | 2024-02-20 | 2024-02-20 | Powder auxiliary forming device for magnet production |
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| JP2007103606A (en) * | 2005-10-03 | 2007-04-19 | Tdk Corp | Molding device in magnetic field, and mold |
| JP2007118023A (en) * | 2005-10-26 | 2007-05-17 | Honda Electronic Co Ltd | Powder molding press device |
| KR101939919B1 (en) * | 2017-09-26 | 2019-01-18 | 주식회사 영신코아 | Core continuous making apparatus for mold |
| CN209174904U (en) * | 2018-11-08 | 2019-07-30 | 浙江嘉兴南湖电子器材集团有限公司 | A kind of anisotropic bond NdFeB magnetic powder molding apparatus |
| CN210121680U (en) * | 2019-03-12 | 2020-03-03 | 杭州银纳磁电技术有限公司 | Neodymium iron boron magnetism body forming process device |
| CN113547097A (en) * | 2021-07-28 | 2021-10-26 | 广东铭利达科技有限公司 | Precision type automobile thin-wall part die-casting forming die |
| CN215657835U (en) * | 2021-08-24 | 2022-01-28 | 滁州恒通磁电科技有限公司 | Die mould for bonding neodymium iron boron magnetic tile |
| CN220144763U (en) * | 2023-02-03 | 2023-12-08 | 大地熊（苏州）磁铁有限公司 | Magnetic field powder forming press |
| CN219563510U (en) * | 2023-03-03 | 2023-08-22 | 安徽欧亚机电设备有限公司 | Automatic demoulding device for mould pressing tray |
| CN219357935U (en) * | 2023-03-28 | 2023-07-18 | 广东泛瑞新材料有限公司 | Vertical powder forming equipment |
| CN220216735U (en) * | 2023-07-21 | 2023-12-22 | 辉门环新（安庆）粉末冶金有限公司 | Metal powder pressure forming device for valve seat ring production |
| CN117086176B (en) * | 2023-10-19 | 2023-12-29 | 山西迈杰模具制造有限公司 | Mould structure with balancing unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115352111A (en) * | 2022-08-02 | 2022-11-18 | 杭州立新电机股份有限公司 | Permanent magnet processing equipment for permanent magnet synchronous motor |
| CN116275033A (en) * | 2023-03-23 | 2023-06-23 | 安徽鼎恒再制造产业技术研究院有限公司 | Die press of alloy powder pressed body |
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