CN115502579A

CN115502579A - Neodymium iron boron magnetism nature material laser cutting machine

Info

Publication number: CN115502579A
Application number: CN202211349313.9A
Authority: CN
Inventors: 曹文; 宋延学; 曹硕; 宋海涛
Original assignee: Jiangsu Longhai Huixin Intelligent Technology Co ltd
Current assignee: Jiangsu Longhai Huixin Intelligent Technology Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2022-12-23
Anticipated expiration: 2042-10-31
Also published as: CN115502579B

Abstract

The invention relates to the field of neodymium iron boron magnet laser cutting, in particular to a neodymium iron boron magnetic material laser cutting machine which comprises a processing table, wherein a processing groove is formed in the middle of the processing table, a laser cutting device is arranged at the edge of the processing groove, moving grooves are linearly formed in two sides of the processing groove, an inclined first row channel is arranged at the starting of the moving grooves, an inclined second row channel is communicated with the bottom of the first row channel, two groups of clamps are arranged in the moving grooves and used for bearing neodymium iron boron blank plates, the two groups of clamps are connected through racks, and a first motor is arranged at the edge of the processing groove.

Description

Neodymium iron boron magnetism nature material laser cutting machine

Technical Field

The invention relates to the field of laser cutting of neodymium iron boron magnets, in particular to a laser cutting machine for neodymium iron boron magnetic materials.

Background

The sintered NdFeB magnet is processed to form a standard blank plate, the standard blank plate is cut into a corresponding shape, and then the machining of the NdFeB magnet is completed by magnetizing.

Adopt laser cutting neodymium iron boron magnet, once cut at standard neodymium iron boron magnet base plate surface and form a plurality of finished product spares, for making once can cut a plurality of finished product spares, need to make the finished product adhesion on the base plate surface after the cutting, to the whole laser cutting back of a base plate, anchor clamps directly release the work piece, through whereabouts striking and follow-up manual peeling off, make finished product spare and the whole separation of clout grillage, this kind of processing method makes the finished product spare, the dust that clout grillage and cutting formed is in the same place, it brings inconvenience to the arrangement of later stage finished product spare and the recovery of clout grillage.

Disclosure of Invention

The invention aims to solve the following problems in the prior art: the laser cutting of current neodymium iron boron magnetism iron is to the whole laser cutting back of a base plate, and anchor clamps directly release the work piece, through whereabouts striking and follow-up manual peeling off, makes finished product spare and clout grillage whole separation, and this kind of processing mode makes finished product spare, clout grillage and the dust that the cutting formed be in the same place, brings inconvenience for the arrangement of later stage finished product spare and the recovery of clout grillage.

In order to solve the problems in the prior art, the invention provides a neodymium iron boron magnetic material laser cutting machine which comprises a processing table, wherein a processing groove is formed in the middle of the processing table, a laser cutting device is arranged at the edge of the processing groove, moving grooves are linearly formed in two sides of the processing groove, an inclined first row channel is arranged at the start of the moving grooves, an inclined second row channel is communicated with the bottom of the first row channel, two groups of fixtures are arranged in the moving grooves and used for bearing neodymium iron boron blank plates, the two groups of fixtures are connected through racks, a first motor is arranged at the edge of the processing groove, and the shaft end of the first motor is meshed with the racks through gears and used for driving the two groups of fixtures to alternately change positions between the processing groove and the first row channel;

the lower conveying belts are symmetrically arranged on two sides of the first channel, the distance between the two groups of lower conveying belts is smaller than the width of the neodymium iron boron blank plate, the upper conveying belt is arranged on the upper surface of the first channel, a channel for conducting the neodymium iron boron blank plate is formed between the upper conveying belt and the lower conveying belts, and a plurality of contact rods are uniformly arranged on the surface of the upper conveying belt.

Preferably, the feeler lever is made of rubber materials, and when the neodymium iron boron blank plate is arranged between the upper conveying belt and the lower conveying belt, the feeler lever extrudes the surface of the neodymium iron boron blank plate.

Preferably, anchor clamps include the base frame, the middle part of base frame has the square region of lining up, the activity groove has been seted up to the regional apex angle position of lining up of base frame, and the activity inslot has the hornblock through spring elastic connection, and the edge of hornblock has right angle shape horn groove, and the apex angle of neodymium iron boron embryo flitch is arranged in the horn groove is born, base frame one side has the rolling dish through torque spring elastic rotation, and rolling dish surface rolling has the steel wire, and steel wire links each horn block, and the rolling dish is connected with the twister.

Preferably, twist reverse the piece including turning round the seat, turn round a fixed connection the rolling dish turns round a seat one side and rotates and have a twist handle, and twist the handle and can freely rotate to one side, twist the handle and receive to turn round the seat to contradict to form integratively to the opposite side rotation, and processing bench upper surface is seted up and is link up the notch of shifting chute, the position that the edge of notch is close to first bank of channels is equipped with the feeler block, and the feeler block is used for the extrusion twist the handle.

Preferably, the one end that processing groove was kept away from to processing platform upper surface has the feed cylinder, and the neodymium iron boron embryo flitch is placed in the stack in the feed cylinder, sink into in the bottom of feed cylinder in the shifting chute, and the bottom of feed cylinder has the strip mouth that link up the shifting chute, strip mouth width is less than the width of neodymium iron boron embryo flitch, and the feed cylinder sinks into one side that the shifting chute position is close to the processing groove and has the piece mouth, and the neodymium iron boron embryo flitch is through in the leading-in shifting chute of piece mouth.

Preferably, the edge of the through area of the base frame is elastically rotated by a torsion spring to form a push handle, the upper surface of the push handle is arc-shaped, the side surface of the push handle is vertical, and the push handle is aligned to the strip opening at the bottom of the charging barrel in a straight line manner.

Preferably, one end of the edge of the notch, which is close to the charging barrel, is provided with a contact strip, and the extension size of the contact strip towards the direction of the twisting piece is smaller than that of the contact block.

Compared with the related art, the laser cutting machine for the neodymium iron boron magnetic material provided by the invention has the following beneficial effects:

1. according to the invention, two groups of clamps are adopted to alternately convey the laser-cut neodymium iron boron blank plates into the first row, and when the upper conveying belt and the lower conveying belt clamp and convey the neodymium iron boron blank plates, the adhesion finished products on the surfaces of the neodymium iron boron blank plates are extruded and separated through the feeler lever, so that the finished products are discharged from the second row, and the excess material plate frames are discharged from the first row, so that the follow-up classification and arrangement are facilitated;

2. the invention adopts four groups of elastically installed angle blocks to clamp and fix the neodymium iron boron blank plates, and the touch blocks are abutted against the torsion handles, so that the four groups of angle blocks automatically expand to release the processed neodymium iron boron blank plates, and the continuity automatic positioning and discharging are kept;

3. according to the invention, the elastically arranged push handle pushes against the neodymium iron boron blank plate at the lowest part in the charging barrel to be discharged from the sheet opening to the surface of the clamp, so that the automatic continuous feeding after discharging is realized, and the high-efficiency processing is kept;

4. according to the invention, the angle block is in a small-amplitude expansion state during feeding through the extrusion and collision of the touch strip to the torsion handle, so that the neodymium iron boron blank plate can automatically fall into the angle groove, and the follow-up angle block is matched to be closed and tightened, thereby completing the automatic and accurate feeding of the neodymium iron boron blank plate.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection structure of two sets of clamps according to the present invention;

FIG. 3 is a schematic view of a structure of the torsion member being abutted by the contact strip;

FIG. 4 is a schematic diagram of a contact structure of a torsion member according to the present invention;

FIG. 5 is a schematic view of the first exhaust outlet according to the present invention;

FIG. 6 is a schematic view of the distribution structure of the moving chute, the first channel and the second channel of the present invention;

FIG. 7 is a schematic view of a discharging structure of the Nd-Fe-B blank plate at the bottom of the charging barrel according to the present invention;

FIG. 8 is a schematic view of the lower conveyor belt configuration of the present invention;

FIG. 9 is a schematic view of the clamp of the present invention;

fig. 10 is a schematic view of a connection structure of a corner block and a winding disc of the present invention.

Reference numbers in the figures: 1. a processing table; 2. laser cutting the device; 3. processing a tank; 4. a clamp; 41. a base frame; 42. a corner block; 43. an angular groove; 44. twisting a base; 45. twisting a handle; 46. a steel wire; 47. a movable groove; 48. a winding disc; 49. a handle is pushed; 5. a charging barrel; 6. a moving groove; 61. a notch; 62. a contact block; 63. a touch bar; 7. a first motor; 71. a rack; 8. a second motor; 81. a first row of channels; 82. a second row of channels; 83. a lower conveyor belt; 84. uploading a conveyor belt; 85. a feeler lever.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

Example one

As shown in fig. 1, a laser cutting machine for neodymium iron boron magnetic materials comprises a processing table 1, wherein a square processing groove 3 is formed in the center of the processing table, a laser cutting device 2 is arranged on the side edge of the middle of the processing table 1, and the processing groove 3 is aligned, so that the laser cutting device 2 cuts and processes a neodymium iron boron blank plate in the processing groove 3;

as shown in fig. 6 to 8, the left and right sides of the processing tank 3 are provided with moving grooves 6, the moving grooves 6 extend linearly along the processing table 1, the top of the moving grooves 6 penetrates the upper surface of the processing table 1 through the notch 61, one end of the bottom surface of the moving grooves 6 near the processing tank 3 is provided with a first row 81, the first row 81 extends obliquely downward to penetrate the end surface of the processing table 1, the bottom surface of the first row 81 is provided with a second row 82, and the second row 82 penetrates the surface of the processing table 1 obliquely in the direction opposite to the second row 82;

the lower conveying belts 83 are symmetrically arranged along two sides of the bottom surface of the first row channel 81, the distance between the lower conveying belts 83 is smaller than the width of the neodymium iron boron blank plate, the upper conveying belt 84 is arranged on the top surface of the first row channel 81, the width of the upper conveying belt 84 is matched with the width of the neodymium iron boron blank plate, a plurality of contact rods 85 made of rubber materials are uniformly fixed on the surface of the upper conveying belt 84, one end of the lower conveying belt 83 is connected with the second motor 8, and the other end of the lower conveying belt 83 is in meshing transmission connection with the upper conveying belt 84 through a gear;

a channel for conducting the neodymium iron boron blank plate is formed between the upper conveying belt 84 and the lower conveying belt 83, the second motor 8 is started to drive the lower conveying belt 83 to rotate, the upper conveying belt 84 conducts synchronously through gear meshing transmission, and the conducting neodymium iron boron blank plate is extruded;

as shown in fig. 1-2, two clamps 4 are provided, two clamps 4 are linearly distributed in a moving slot 6, the side edges of the two clamps 4 are fixedly connected through a rack 71, a first motor 7 is installed at the position of a processing slot 3, a gear is fixed at the shaft end of the first motor 7, the gear is meshed with and connected with the rack 71, the first motor 7 is started to rotate in a reciprocating manner, and the rack 71 is driven to drive the two sets of clamps 4 to perform reciprocating transposition movement;

as shown in fig. 9-10, the fixture 4 is based on a base frame 41, a square through area is provided in the middle of the base frame 41, a movable groove 47 is provided at the vertex angle position of the through area of the base frame 41 in the diagonal direction, the corner block 42 slides in the movable groove 47 and is elastically connected by a spring, the inner edge of the corner block 42 is right-angled, a right-angled corner groove 43 is provided at the inner edge of the upper surface of the corner block 42, a winding disc 48 is elastically rotated by a torsion spring at one side of the base frame 41 close to the processing groove 3, four sets of steel wires 46 are wound on the surface of the winding disc 48, cavities are provided inside the base frame 41, the steel wires 46 penetrate the cavities and are connected with the corner blocks 42 one by one, a rotating wheel is provided at the corner position of the steel wire 46, and the position of the steel wire 46 connected with the corner block 42 extends in the vertex angle direction of the base frame 41;

the twisting piece comprises a twisting seat 44, the twisting seat 44 is arranged on the upper surface of the base frame 41 and is fixedly connected with a winding disc 48, a twisting handle 45 is rotatably arranged on one side, away from the processing groove 3, of the twisting seat 44, the twisting handle 45 can freely rotate towards one side, the twisting handle 45 rotates towards the other side and is abutted against the twisting seat 44 to form a whole, and a contact block 62 is arranged at the position, close to the first discharge passage 81, of the edge of the notch 61;

placing a square neodymium iron boron blank plate between corner blocks 42, clamping the vertex angle of the neodymium iron boron blank plate into a corner groove 43, stably clamping the neodymium iron boron blank plate by the corner blocks 42 through elasticity, limiting the neodymium iron boron blank plate in a processing groove 3 area by a clamp 4, cutting a plurality of magnet pieces on the neodymium iron boron blank plate through a laser cutting device 2, and adhering the cut magnet pieces to a residual material plate frame;

starting a first motor 7 to drive the rack to move linearly, so that the clamp 4 drives the cut workpiece to move into the moving groove 6, and the other clamp 4 moves into the processing groove 3 area from the moving groove 6;

as shown in fig. 4-6, when the fixture 4 moves to above the first row 81, the twisting handle 45 is pressed by the contact block 62 to drive the twisting base 44 and the winding disc 48 to rotate 1 against the elastic force, the winding disc 48 rotates the winding steel wire 46 to make the four corner blocks 42 expand outwards against the elastic force synchronously, the cut nd-fe-b blank plate falls into the first row 81, the two sets of lower conveyor belts 83 bear both sides of the nd-fe-b blank plate, the second motor 8 is started to drive the upper conveyor belt 84 and the lower conveyor belt 83 to rotate synchronously, the nd-fe-b blank plate is engaged therebetween, the contact rod 85 on the surface of the upper conveyor belt 84 presses the surface of the nd-fe-b blank plate, so that the formed magnet piece is separated from the remainder plate and falls into the second row 82, the second row 82 slides out in a centralized manner, and the remainder plate is discharged from the first row 81, thereby realizing separation and collection;

as shown in fig. 1, 3, 6 and 7, a material cylinder 5 is fixed at one end of the upper surface of a processing table 1 far away from a processing groove 3, the material cylinder 5 extends upwards vertically, a neodymium iron boron blank plate to be processed is stacked and placed in the material cylinder 5, the bottom of the material cylinder 5 sinks into the moving groove 6, a strip opening penetrating through the moving groove 6 is formed in the bottom of the material cylinder 5, the width of the strip opening is smaller than that of the neodymium iron boron blank plate, the stacked neodymium iron boron blank plate is supported by the bottom of the material cylinder 5, a strip opening is formed in one side, close to the processing groove 3, of the position, where the material cylinder 5 sinks into the moving groove 6, of the neodymium iron boron blank plate is led into the moving groove 6 through the strip opening, a push handle 49 is elastically and rotatably installed at the edge of a through area of a base frame 41 through a torsion spring, the upper surface of the push handle 49 is arc-shaped, the side surface of the push handle 49 is vertical, the push handle 49 is aligned with the strip opening at the bottom of the material cylinder 5 in a straight line, a position, a contact strip 63 is fixed at one end, close to the edge of the groove opening 61, and the extension dimension of the contact 63 in the direction of the torsion piece is smaller than the extension dimension of the contact block 62.

Vertically and superpositively placing neodymium iron boron blank plates to be processed in the charging barrel 5, aligning the sheet openings of the lowest neodymium iron boron blank plate, continuously moving towards the charging barrel 5 after the clamp 4 moves to the upper part of the first discharge channel 81 for discharging, extruding the push handle 49 by the lowest neodymium iron boron blank plate to be closed after the clamp 4 moves to the lower part of the charging barrel 5 until the push handle 49 crosses the neodymium iron boron blank plate to pop out again, so that the push handle 49 is aligned with the sheet openings, and the vertical surface of the push handle 49 abuts against the edge of the lowest neodymium iron boron blank plate;

when the clamp 4 is shifted, the push handle 49 pushes the neodymium iron boron blank plate at the lowest part out of the sheet opening until the neodymium iron boron blank plate falls on the surface of the clamp 4, at the moment, the torsion handle 45 is extruded by the contact bar 63, so that the torsion seat 44 and the winding disc 48 are in a torsion state, the torsion amplitude is smaller than the amplitude extruded by the contact bar 62, but at the moment, the torsion of the winding disc 48 enables the four groups of corner blocks 42 to be opened in a small amplitude, the neodymium iron boron blank plate falls into the corner grooves 43 between the corner blocks 42 conveniently, and when the clamp 4 moves to the position where the torsion handle 45 is separated from the contact bar 63, all the corner blocks 42 are reset to stably clamp the neodymium iron boron blank plate;

when anchor clamps 4 removed to the position of trolley 62, turn round handle 45 reverse free swing, can not drive and turn round seat 44 and rolling disc 48 and rotate, make anchor clamps 4 can be stable carry neodymium iron boron embryo flitch centre gripping to processing groove 3 position, realize automatic material loading.

Claims

1. The utility model provides a neodymium iron boron magnetism nature material laser cutting machine, includes processing platform (1), its characterized in that, processing platform (1) middle part has processing groove (3), and processing groove (3) edge has laser cutting device (2), shifting chute (6) have been seted up to processing groove (3) both sides straight line, and the starting of shifting chute (6) is provided with the first lane (81) of slope, and first lane (81) bottom intercommunication has the second lane (82) of slope, is equipped with two sets of anchor clamps (4) in shifting chute (6), and anchor clamps (4) are used for bearing neodymium iron boron blank board, and two sets of connect through rack (71) between anchor clamps (4), and the edge of processing groove (3) sets up first motor (7), and the axle head of first motor (7) passes through gear engagement and connects rack (71), is used for driving two sets of anchor clamps (4) alternate between processing groove (3) and first lane (81);

the bilateral symmetry of first row way (81) sets up lower conveyor belt (83), and the interval of two sets of lower conveyor belt (83) is less than the width of neodymium iron boron embryo flitch, and the upper surface of first row way (81) is provided with conveyer belt (84), goes up and constitutes the passageway that conducts neodymium iron boron embryo flitch between conveyer belt (84) and lower conveyor belt (83), the surface of going up conveyer belt (84) evenly sets up a plurality of feeler levers (85).

2. The laser cutting machine for neodymium iron boron magnetic materials according to claim 1, characterized in that the feeler lever (85) is made of rubber material, and when the neodymium iron boron blank plate is placed between the upper conveyor belt (84) and the lower conveyor belt (83), the feeler lever (85) extrudes the surface of the neodymium iron boron blank plate.

3. The laser cutting machine for neodymium iron boron magnetic materials according to claim 1, characterized in that anchor clamps (4) include a base frame (41), the middle part of the base frame (41) has a square through area, movable groove (47) has been seted up at the through area apex angle position of the base frame (41), there is an angle block (42) in movable groove (47) through spring elastic connection, the edge of angle block (42) has right angle shape angle groove (43), the apex angle of neodymium iron boron embryo flitch is placed in be born in angle groove (43), there is rolling disc (48) base frame (41) one side through torsion spring elastic rotation, there is steel wire (46) rolling disc (48) surface rolling, steel wire (46) link each angle block (42), rolling disc (48) are connected with the torsion piece.

4. The laser cutting machine for neodymium iron boron magnetic materials according to claim 3, characterized in that the torsion piece comprises a torsion seat (44), the torsion seat (44) is fixedly connected with the winding disc (48), a torsion handle (45) is rotated on one side of the torsion seat (44), the torsion handle (45) can rotate freely towards one side, the torsion handle (45) is collided with the torsion seat (44) to form a whole towards the other side, a notch (61) penetrating through the moving groove (6) is formed in the upper surface of the processing table (1), a contact block (62) is arranged at the position, close to the first row channel (81), of the edge of the notch (61), and the contact block (62) is used for extruding the torsion handle (45).

5. The laser cutting machine for neodymium iron boron magnetic materials according to claim 4, characterized in that, the one end that processing groove (3) was kept away from to processing platform (1) upper surface has feed cylinder (5), and the stack is placed neodymium iron boron embryo flitch in feed cylinder (5), the bottom of feed cylinder (5) sinks in shifting chute (6), and the bottom of feed cylinder (5) has the strip mouth that link up shifting chute (6), strip mouth width is less than the width of neodymium iron boron embryo flitch, and one side that shifting chute (6) position is close to processing groove (3) is sunk in feed cylinder (5) has the piece mouth, and neodymium iron boron embryo flitch is through in the leading-in shifting chute (6) of piece mouth.

6. The laser cutting machine for neodymium iron boron magnetic materials according to claim 5, characterized in that the edge of the through area of the base frame (41) is elastically rotated by a torsion spring to form a push handle (49), the upper surface of the push handle (49) is arc-shaped, the side surface of the push handle (49) is vertical, and the push handle (49) is aligned with the strip opening at the bottom of the charging barrel (5) in a straight line.

7. The laser cutting machine according to claim 6, characterized in that one end of the edge of the notch (61) close to the charging barrel (5) is provided with an antenna (63), and the extension of the antenna (63) towards the direction of the torsion piece is smaller than that of the contact block (62).