CN115502579B

CN115502579B - Neodymium iron boron magnetism material laser cutting machine

Info

Publication number: CN115502579B
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: 2023-09-22
Anticipated expiration: 2042-10-31
Also published as: CN115502579A

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 discharge channel is formed at the beginning of the moving groove, an inclined second discharge channel is communicated with the bottom of the first discharge channel, two groups of clamps are arranged in the moving groove and are used for bearing neodymium-iron-boron blanks, the two groups of clamps are connected through racks, a first motor is arranged at the edge of the processing groove.

Description

Neodymium iron boron magnetism material laser cutting machine

Technical Field

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.

Background

The sintered NdFeB magnet is processed to form a standard blank, the standard blank is cut to form a corresponding shape, then the NdFeB magnet is magnetized to finish the processing of the NdFeB magnet, various cutting methods for the NdFeB magnet blank are available, slicing cutting, electric spark cutting and laser cutting are adopted, the laser cutting is accurate in molding, the efficiency is high, and the NdFeB magnet blank is widely popularized gradually.

The neodymium-iron-boron magnet is cut on the surface of a standard neodymium-iron-boron magnet blank plate at one time to form a plurality of finished products, the finished products are required to be adhered to the surface of the blank plate after being cut, after all the blank plates are cut by laser, the clamp directly releases the workpiece, and the finished products and the rest material plate frames are completely separated through falling impact and subsequent manual stripping.

Disclosure of Invention

The invention aims to solve the following problems in the prior art: the laser cutting of the existing neodymium iron boron magnet is that after all the laser cutting of a blank plate, a clamp directly releases a workpiece, a finished product piece and a residual material plate frame are completely separated through falling impact and subsequent manual stripping, and the finished product piece, the residual material plate frame and dust formed by cutting are mixed together by the processing mode, so that inconvenience is brought to the arrangement of the finished product piece in the later stage and the recovery of the residual material plate frame.

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, two sides of the processing groove are provided with moving grooves in a straight line, an inclined first row channel is arranged at the start of the moving groove, an inclined second row channel is communicated with the bottom of the first row channel, two groups of clamps are arranged in the moving groove and are used for bearing a neodymium iron boron blank plate, the two groups of clamps 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 connected with the racks through gear meshing and is used for driving the two groups of clamps to alternately replace positions between the processing groove and the first row channel;

the upper surface of the first row of channels is provided with an upper conveying belt, a channel for conducting the NdFeB blank plates is formed between the upper conveying belt and the lower conveying belt, and a plurality of feelers are uniformly arranged on the surface of the upper conveying belt.

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

Preferably, the fixture comprises a base frame, the middle part of base frame has square through region, the movable groove has been seted up at the regional apex angle position of through of base frame, has the hornblock through spring elastic connection in the movable groove, and the edge of hornblock has right angle shape hornblock, and the apex angle of neodymium iron boron embryo flitch is arranged in the hornblock is born, base frame one side has the rolling dish through torsion spring elastic rotation, and the rolling dish surface rolling has the steel wire, and the steel wire links each hornblock, and the rolling dish is connected with the torsion member.

Preferably, the torsion piece comprises a torsion seat, the torsion seat is fixedly connected with the winding disc, a torsion handle is rotated on one side of the torsion seat and can freely rotate to one side, the torsion handle is rotated to the other side to be abutted against the torsion seat to form a whole, a notch penetrating through the moving groove is formed in the upper surface of the processing table, a contact block is arranged at the edge of the notch, close to the first row of channels, and the contact block is used for extruding the torsion handle.

Preferably, one end of the upper surface of the processing table, which is far away from the processing groove, is provided with a charging barrel, a neodymium iron boron blank plate is placed in the charging barrel in a superposition manner, the bottom of the charging barrel is submerged in the moving groove, the bottom of the charging barrel is provided with a strip opening penetrating through the moving groove, the width of the strip opening is smaller than that of the neodymium iron boron blank plate, one side of the portion of the charging barrel, which is submerged in the moving groove and is close to the processing groove, is provided with a sheet opening, and the neodymium iron boron blank plate is led into the moving groove through the sheet opening.

Preferably, the edge of the through area of the base frame elastically rotates through 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 with the strip opening at the bottom of the charging barrel in a straight line.

Preferably, a contact strip is arranged at one end of the edge of the notch, which is close to the charging barrel, and the extension size of the contact strip in the direction of the torsion piece is smaller than that of the contact block.

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

1. according to the invention, two groups of clamps are adopted to alternately convey the neodymium iron boron blank plate after laser cutting into the first row channel, the upper conveyor belt and the lower conveyor belt clamp and convey the neodymium iron boron blank plate, and meanwhile, the touch rod extrudes and separates adhered finished products on the surface of the neodymium iron boron blank plate, so that the finished products are discharged from the second row channel, and the rest material plate frame is discharged from the first row channel, thereby facilitating the subsequent sorting and arrangement;

2. according to the invention, four groups of flexibly mounted corner blocks are used for clamping and fixing the neodymium-iron-boron blank plate, and the four groups of corner blocks are automatically expanded to release the processed neodymium-iron-boron blank plate through the contact block opposite torsion handle to maintain continuity and automatically position and discharge;

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

4. according to the invention, the contact strip presses the torsion handle, so that the corner blocks are in a small-amplitude expansion state during feeding, the neodymium iron boron blank plate can automatically fall into the corner groove conveniently, and the automatic and accurate feeding of the neodymium iron boron blank plate is completed by matching with the closing and tightening of the subsequent corner blocks.

Drawings

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

FIG. 2 is a schematic view of two clamp connection structures according to the present invention;

FIG. 3 is a schematic view of a contact strip abutting structure of a torsion member according to the present invention;

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

FIG. 5 is a schematic view of the structure of the first outlet of the present invention;

FIG. 6 is a schematic diagram of the distribution structure of the moving slot, the first row and the second row according to the present invention;

FIG. 7 is a schematic diagram showing the structure of the NdFeB blank plate at the bottom of the barrel according to the present invention;

FIG. 8 is a schematic diagram of the lower conveyor distribution structure of the present invention;

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

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

Reference numerals in the drawings: 1. a processing table; 2. a laser cutting device; 3. a processing groove; 4. a clamp; 41. a base frame; 42. a corner block; 43. an angular groove; 44. a torsion seat; 45. a torsion handle; 46. a steel wire; 47. a movable groove; 48. a reel; 49. a push handle; 5. a charging barrel; 6. a moving groove; 61. a notch; 62. a touch block; 63. a touch bar; 7. a first motor; 71. a rack; 8. a second motor; 81. a first lane; 82. a second row of channels; 83. a lower conveyor belt; 84. an upper conveyor belt; 85. and a feeler lever.

Detailed Description

The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

Specific implementations of the invention are described in detail below in connection with specific embodiments.

Example 1

As shown in fig. 1, a neodymium iron boron magnetic material laser cutting machine 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, the processing groove 3 is aligned, and the laser cutting device 2 cuts and processes a neodymium iron boron blank plate in the processing groove 3;

as shown in fig. 6-8, a moving groove 6 is formed on the left side and the right side of the processing groove 3, the moving groove 6 extends along the processing table 1 in a straight line, the top of the moving groove 6 penetrates through the upper surface of the processing table 1 through a notch 61, a first channel 81 is formed at one end, close to the processing groove 3, of the bottom surface of the moving groove 6, the first channel 81 extends downwards in a tilting manner and penetrates through the end surface of the processing table 1, a second channel 82 is formed at the bottom surface of the first channel 81, and the second channel 82 penetrates through the surface of the processing table 1 in a tilting manner in the opposite direction of the second channel 82;

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

a channel for conducting the NdFeB blank plate is formed between the upper conveyor belt 84 and the lower conveyor belt 83, the second motor 8 is started to drive the lower conveyor belt 83 to rotate, the upper conveyor belt 84 is synchronously conducted through gear engagement transmission, and the NdFeB blank plate is extruded and conducted;

as shown in fig. 1-2, two clamps 4 are arranged in a straight line in a moving groove 6, the side edges of the two clamps 4 are fixedly connected through a rack 71, a first motor 7 is arranged at the position of a processing groove 3, a gear is fixed at the shaft end of the first motor 7, the gear is meshed 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 groups of clamps 4 to reciprocate to perform transposition movement;

as shown in fig. 9-10, the fixture 4 is based on a base frame 41, the middle part of the base frame 41 is provided with a square through area, the top angle part of the through area of the base frame 41 is provided with a movable groove 47 in the diagonal direction, a corner block 42 is slid in the movable groove 47 and is elastically connected by a spring, the inner side edge of the corner block 42 is in a right angle shape, the inner side edge of the upper surface of the corner block 42 is provided with a right angle-shaped corner groove 43, one side of the base frame 41 close to the processing groove 3 is elastically rotated by a torsion spring to form a winding disc 48, the surface of the winding disc 48 is wound with four groups of steel wires 46, the inside of the base frame 41 is provided with cavities, the steel wires 46 penetrate through the cavities to be connected with the corner blocks 42 one by one, the corner parts of the steel wires 46 are provided with rotating wheels, and the parts of the steel wires 46, which are connected with the corner blocks 42 in the top angle direction of the base frame 41;

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

placing square neodymium iron boron blanks between the corner blocks 42, clamping the top corners of the neodymium iron boron blanks into the corner grooves 43, enabling the corner blocks 42 to stably clamp the neodymium iron boron blanks through elasticity, limiting the neodymium iron boron blanks to the machining groove 3 area by the clamp 4, cutting a plurality of magnet pieces on the neodymium iron boron blanks through the laser cutting device 2, and adhering the cut magnet pieces to the rest blank frame;

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

as shown in fig. 4-6, when the fixture 4 moves above the first row 81, the torsion handle 45 is pressed by the contact block 62 to drive the torsion seat 44 and the winding disc 48 to rotate 1 against the elastic force, the winding disc 48 rotates the winding steel wire 46 to enable the four corner blocks 42 to synchronously expand outwards against the elastic force, the cut neodymium-iron-boron blank falls into the first row 81, two groups of lower conveyor belts 83 bear two sides of the neodymium-iron-boron blank, the second motor 8 is started to drive the upper conveyor belt 84 and the lower conveyor belt 83 to synchronously rotate, the neodymium-iron-boron blank is bitten into the middle, the contact rod 85 on the surface of the upper conveyor belt 84 presses the surface of the neodymium-iron-boron blank, so that the formed magnet piece falls into the second row 82 from the residual piece, the second row 82 intensively slides out, and the residual piece is discharged from the first row 81, so that separation and collection are realized;

as shown in fig. 1, fig. 3, fig. 6 and fig. 7, a barrel 5 is fixed at one end of the upper surface of the processing table 1 far from the processing groove 3, the barrel 5 extends vertically upwards, a neodymium iron boron blank plate to be processed is stacked and placed in the barrel 5, the bottom of the barrel 5 sinks into the interior of the moving groove 6, the bottom of the barrel 5 is provided with a strip opening penetrating through the moving groove 6, 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 barrel 5, one side of the barrel 5, which is submerged into the moving groove 6, is provided with a sheet opening, the neodymium iron boron blank plate is guided into the moving groove 6 through the sheet opening, a push handle 49 is installed at the edge of a penetrating area of the base frame 41 through elastic rotation of 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 barrel 5, one end, the edge of the notch 61 is close to the barrel 5 is provided with a contact strip 63, and the extension size of the contact strip 63 in the direction is smaller than that of the contact block 62.

The neodymium iron boron blank plate to be processed is vertically overlapped in the charging barrel 5, the neodymium iron boron blank plate at the lowest part is aligned with the sheet opening, after the clamp 4 moves to the upper part of the first discharging channel 81 for discharging, the clamp continues to move towards the charging barrel 5, after the clamp 4 moves to the lower part of the charging barrel 5, the push handle 49 is extruded by the neodymium iron boron blank plate at the lowest part to be closed until the push handle 49 passes over the neodymium iron boron blank plate to pop up again, so that the push handle 49 is aligned with the sheet opening, and the vertical surface of the push handle 49 is abutted against the edge of the neodymium iron boron blank plate at the lowest part;

when the clamp 4 is shifted, the push handle 49 pushes the bottommost neodymium iron boron blank plate 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 strip 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 when the torsion seat is extruded by the contact block 62, at the moment, the four groups of corner blocks 42 are opened in a small amplitude by torsion of the winding disc 48, the neodymium iron boron blank plate is convenient to fall into the corner grooves 43 between the corner blocks 42, and when the clamp 4 moves to a position where the torsion handle 45 is separated from the contact strip 63, the corner blocks 42 are all reset to stably clamp the neodymium iron boron blank plate;

when the clamp 4 moves to the position of the contact block 62, the torsion handle 45 swings reversely and freely, and the torsion seat 44 and the winding disc 48 are not driven to rotate, so that the clamp 4 can stably clamp and convey the NdFeB blank plate to the position of the processing groove 3, and automatic feeding is realized.

Claims

1. The utility model provides a neodymium iron boron magnetism 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), moving groove (6) have been seted up to processing groove (3) both sides straight line, and the start of moving groove (6) is provided with first lane (81) of slope, and first lane (81) bottom intercommunication has second lane (82) of slope, is equipped with two sets of anchor clamps (4) in moving groove (6), and anchor clamps (4) are used for bearing neodymium iron boron embryo material board, two sets of connect through rack (71) between anchor clamps (4), the edge of processing groove (3) sets up first motor (7), and the axle head of first motor (7) is through gear engagement connection rack (71) for drive two sets of anchor clamps (4) alternate the transposition between processing groove (3) and first lane (81);

the upper surface of the first row channel (81) is provided with an upper conveying belt (84), a channel for conducting the NdFeB blank plate is formed between the upper conveying belt (84) and the lower conveying belt (83), and a plurality of contact rods (85) are uniformly arranged on the surface of the upper conveying belt (84);

the fixture (4) comprises a base frame (41), a square through area is formed in the middle of the base frame (41), a movable groove (47) is formed in the vertex angle position of the through area of the base frame (41), corner blocks (42) are elastically connected in the movable groove (47) through springs, right-angle corner grooves (43) are formed in the edges of the corner blocks (42), vertex angles of neodymium iron boron blanks are placed in the corner grooves (43) to be borne, a winding disc (48) is elastically rotated on one side of the base frame (41) through torsion springs, steel wires (46) are wound on the surface of the winding disc (48), the steel wires (46) are connected with the corner blocks (42), and the winding disc (48) is connected with torsion pieces;

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 arranged on one side of the torsion seat (44) in a rotating mode, the torsion handle (45) can freely rotate towards one side, the torsion handle (45) can rotate towards the other side and is abutted against the torsion seat (44) to form a whole, 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 edge of the notch (61) close to the first row channel (81), and the contact block (62) is used for extruding the torsion handle (45).

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

3. The neodymium iron boron magnetic material laser cutting machine according to claim 1, wherein one end of the upper surface of the processing table (1) far away from the processing groove (3) is provided with a charging barrel (5), a neodymium iron boron blank plate is placed in the charging barrel (5) in a superposition mode, the bottom of the charging barrel (5) is sunk into the moving groove (6), the bottom of the charging barrel (5) is provided with a strip opening penetrating through the moving groove (6), the width of the strip opening is smaller than that of the neodymium iron boron blank plate, one side of the position of the charging barrel (5) sunk into the moving groove (6) close to the processing groove (3) is provided with a sheet opening, and the neodymium iron boron blank plate is led into the moving groove (6) through the sheet opening.

4. A neodymium iron boron magnetic material laser cutting machine according to claim 3, wherein 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.

5. The neodymium iron boron magnetic material laser cutting machine according to claim 4, wherein a contact strip (63) is arranged at one end of the edge of the notch (61) close to the charging barrel (5), and the extension size of the contact strip (63) towards the torsion member direction is smaller than the extension size of the contact block (62).