CN219189035U

CN219189035U - Neodymium iron boron cutting machine

Info

Publication number: CN219189035U
Application number: CN202220713394.5U
Authority: CN
Inventors: 武斌
Original assignee: Shenzhen Litian Otrans Technology Co ltd
Current assignee: Shenzhen Litian Otrans Technology Co ltd
Priority date: 2022-03-29
Filing date: 2022-03-29
Publication date: 2023-06-16
Anticipated expiration: 2032-03-29

Abstract

The utility model discloses a neodymium iron boron cutting machine, relates to the field of machining, solves the problem of inconvenient use in the prior art, and has the technical scheme that: the cutting machine comprises a laser cutting mechanism, a workpiece transferring mechanism and a conveying mechanism; the laser cutting mechanism comprises a triaxial movement mechanism and a laser head, and the laser head is arranged on the triaxial movement mechanism; the workpiece transfer mechanism is arranged below the laser head; the workpiece transfer mechanism comprises a bottom plate; the bottom plate is provided with a storage bin, a material taking mechanism, a material conveying mechanism, a clamping mechanism and a fixing mechanism; the storage bin is used for placing a workpiece to be cut; the material taking mechanism is used for taking the workpiece out of the storage bin and transferring the workpiece to the clamping mechanism; the material conveying mechanism is used for enabling the workpiece to move in the clamping mechanism; the fixing mechanism is used for fixing the workpiece to the clamping mechanism. Through the scheme, the workpiece can be automatically cut under the unattended condition.

Description

Neodymium iron boron cutting machine

Technical Field

The utility model relates to the field of machining, in particular to a neodymium iron boron cutting machine.

Background

Neodymium iron boron, also known as neodymium iron boron magnets, is a common permanent magnet. Neodymium-iron-boron magnets are widely used in electronic products such as hard disks, cell phones, headphones, battery powered tools, and the like. It needs to be cut before use. A common cutting mode is to cut by a laser cutting mode. In the prior art, manual feeding and discharging are needed in the cutting process. Thus being inconvenient to use.

Disclosure of Invention

The utility model aims to provide a neodymium iron boron cutting machine, which achieves the purposes of taking materials through machinery and saving manpower.

The technical aim of the utility model is realized by the following technical scheme: a neodymium iron boron cutting machine, which comprises a laser cutting mechanism, a workpiece transferring mechanism and a conveying mechanism; the laser cutting mechanism comprises a triaxial movement mechanism and a laser head, and the laser head is arranged on the triaxial movement mechanism; the workpiece transfer mechanism is arranged below the laser head; the workpiece transfer mechanism comprises a bottom plate; the bottom plate is provided with a storage bin, a material taking mechanism, a material conveying mechanism, a clamping mechanism and a fixing mechanism; the storage bin is used for placing a workpiece to be cut; the material taking mechanism is used for taking the workpiece out of the storage bin and transferring the workpiece to the clamping mechanism; the material conveying mechanism is used for enabling the workpiece to move in the clamping mechanism; the fixing mechanism is used for fixing the workpiece to the clamping mechanism; the material taking mechanism comprises a first sliding rail and a first push rod which are arranged on the base; a first sliding block is arranged on the first sliding rail; one end of the first push rod is fixed with the base, and the other end of the first push rod is connected with the first sliding block; the first push rod can drive the first sliding block to move left and right; the slide block is provided with a material taking arm, and the material taking arm is provided with a second slide rail and a second push rod; a second sliding block is arranged on the second sliding rail; one end of the second push rod is connected with the material taking arm, and the other end of the second push rod is connected with the second sliding block; the second sliding block is provided with a vacuum chuck.

The three-axis motion mechanism adopted by the utility model is an automatic three-axis motion mechanism, and the three-axis motion mechanism can realize the movement of the component in the directions X, Y, Z; under the conception of the utility model, the movement mechanisms meeting the same functions are all within the protection scope of the patent. The three-axis motion mechanism, the laser head, the material taking mechanism, the material conveying mechanism, the clamping mechanism and the fixing mechanism are electrically connected with the controller, and a driving function is realized through the controller; so as to realize automatic material taking and conveying. The first push rod and the second push rod can be any one of a pneumatic push rod, an electric push rod or a hydraulic push rod and are controlled by an automatic control device. The control mode is a scheme which is common to the person skilled in the art. Through the mode, the automatic work of the cutting machine can be realized, and the purposes of mechanically taking materials and saving manpower are achieved.

Further, the laser cutting mechanism comprises a base, a fixed seat, a triaxial movement mechanism and a laser head; the fixed seat is arranged on the base; the bosses on the left side and the right side of the fixing seat are used for installing a triaxial movement mechanism; the triaxial movement mechanism comprises a Y-axis rail, an X-axis rail and a Z-axis rail; the device is provided with two Y-axis rails which are respectively arranged on bosses on the left side and the right side of the fixed seat; the X-axis rail is arranged on the cross beam; sliding parts matched with the Y-axis rails are arranged at two ends of the cross beam; the boss is also provided with a linear motor which is connected with the cross beam; the sliding part is driven by the linear motor, and can drive the cross beam to slide on the Y-axis rail; a sliding table is arranged on the cross beam, and a sliding block matched with the X-axis rail is arranged below the sliding table; the linear motor is arranged on the cross beam and connected with the sliding table; the sliding table can be driven to slide on the X axis through the linear motor; a Z-axis rail is arranged on the sliding table, and a laser head is connected to the Z-axis rail in a sliding manner; the laser head is characterized by further comprising a push rod, wherein one end of the push rod is connected with the sliding table, and the other end of the push rod is connected with the laser head; the laser head can be pushed to slide on the Z-axis rail through the push rod.

The proposal provides a possible structure of the triaxial movement mechanism, and the structure adopts linear motor drive, thereby realizing high-precision X, Y axis positioning.

Further, the clamping mechanism comprises a clamping block, and the clamping block comprises a first clamping block and a second clamping block; the first clamping block and the second clamping block are arranged in parallel; the clamping block is arranged perpendicular to the first sliding rail; corresponding workpiece grooves are formed in the first clamping block and the second clamping block; the workpiece groove is used for preventing the workpiece from moving left and right on the clamping block; the first clamping block is fixed with the bottom plate; the bottom plate is also provided with a third sliding rail and a fourth sliding rail; the third sliding rail and the fourth sliding rail are respectively provided with a third sliding block and a fourth sliding block; two ends of the second clamping block are respectively connected with the third sliding block and the fourth sliding block; the novel sliding block comprises a base plate, a first sliding block, a second sliding block, a third sliding block and a third sliding block.

The workpiece can be moved in the workpiece groove along the setting direction of the clamping block by the clamping mechanism. The third push rod can adopt an electric driving mode, such as an electric push rod, a pneumatic push rod and a hydraulic push rod; manual threaded push rods may also be used. The workpiece requirements of different sizes can be met by adjusting the distance between the first clamping block and the second clamping block.

Further, the material conveying mechanism comprises a fifth sliding rail and a fourth push rod; a fifth sliding block is arranged on the fifth sliding rail; one end of the fourth push rod is fixed with the bottom plate, and the other end of the fourth push rod is connected with the fifth slide block; the fifth sliding rail is arranged in parallel with the clamping block; the fourth push rod can drive the fifth sliding block to move forwards and backwards.

A fifth push rod is arranged on the fifth sliding block; the top of fifth push rod is provided with the clamping jaw.

The clamping jaw is arranged between the first clamping block and the second clamping block, and can grasp a workpiece to move in the workpiece groove. The fourth push rod and the fifth push rod can be any one of a pneumatic push rod, an electric push rod or a hydraulic push rod and are controlled by an automatic control device. The control mode is a scheme which is common to the person skilled in the art.

Further, the fixing mechanism comprises a sixth push rod, and the sixth push rod is fixed with the bottom plate; the sixth push rod is vertically arranged; the device also comprises a connecting plate and a fixing plate; the connecting plate is hinged with the first clamping block; one end of the connecting plate is connected with the fixed plate; the other end of the connecting block is connected with the push rod part of the sixth push rod.

The fifth push rod can be any one of a pneumatic push rod, an electric push rod or a hydraulic push rod and is controlled by an automatic control device. The control mode is a scheme which is common to the person skilled in the art. The workpiece moves to the lower part of the laser head through the material conveying mechanism, and the material conveying mechanism is loosened; the fifth push rod of the fixing mechanism drives the lower fixing plate to press the workpiece. Preventing the workpiece from moving during the cutting process.

Further, a discharging groove is arranged at the rear end of the clamping mechanism, and the discharging groove is positioned between the first clamping block and the second clamping block; and is lower than the height of the workpiece slot.

After the workpiece is machined, the fixing mechanism loosens the fixing plate, the conveying mechanism pushes the workpiece, and the workpiece continues to move in the chute in the blanking groove until the workpiece falls into the blanking groove. A collecting device can be placed below the blanking groove and used for collecting processed workpieces.

Further, it is characterized in that: the conveying mechanism comprises a conveying belt, and the conveying belt is arranged below the blanking groove.

The conveyor belt may transport the work pieces to other places.

By adopting the technical scheme, automatic feeding and cutting of the cutting machine can be realized.

Drawings

FIG. 1 is a schematic diagram of the connection relationship of a multi-station NdFeB cutting device

FIG. 2 is a schematic view of a cutting machine at a first view angle

FIG. 3 is a schematic view of a third view of the cutter

FIG. 4 is a schematic view of the interior of the cutter

FIG. 5 is a schematic view of a laser cutting mechanism

FIG. 6 is an enlarged view of a portion of FIG. 5 at I

FIG. 7 is an enlarged view of a portion at II in FIG. 5

FIG. 8 is a schematic view of a work transfer mechanism installation

FIG. 9 is a schematic diagram showing the connection between the work transfer mechanism and the transfer mechanism

FIG. 10 is a layout of a work transfer mechanism

FIG. 11 is a schematic view of a storage bin

FIG. 12 is a schematic view of a take off mechanism

FIG. 13 is a schematic view of a material conveying mechanism

FIG. 14 is a schematic view of a clamping mechanism

FIG. 15 is a schematic view of a securing mechanism

In the figure: 1. a cutting machine; 11. a housing; 111. a first transfer port; 112. a second transfer port; 2. a laser cutting mechanism; 21. a base; 22. a fixing seat; 23. a triaxial movement mechanism; 231. a Y-axis rail; 232. a sliding part; 233. a cross beam; 234. an X-axis rail; 235. a sliding table; 236. a Z-axis rail; 237. a push rod; 238. a laser head; 3. a workpiece transfer mechanism; 31. a bottom plate; 32. a storage bin; 321. a first bin plate; 322. a second bin plate; 323. a third bin plate; 33. a material taking mechanism; 331. a first push rod; 332. a first slide rail; 333. a first slider; 334. a second push rod; 335. a vacuum chuck; 34. a material conveying mechanism; 341. a fourth push rod; 342. a fifth slide rail; 343. a fifth slider; 344. a fifth push rod; 345. a clamping jaw; 35. a clamping mechanism; 351. a first clamping block; 352. a second clamping block; 353. a third slide rail; 354. a fourth slide rail; 355. a third push rod; 36. a fixing mechanism; 361. a sixth push rod; 362. a connecting plate; 363. a fixing plate; 37. discharging groove; 4. a conveying mechanism; 41. a conveyor belt.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected" to another element, it can be directly or indirectly connected to the other element, the "connection" is not limited to a fixed connection or a movable connection, and a specific connection manner should be determined according to a specific technical problem to be solved.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Examples:

in a first aspect, the embodiment provides a neodymium iron boron precision laser cutting machine, wherein the cutting machine 1 comprises a shell 11, a laser cutting mechanism 2, a workpiece transferring mechanism 3 and a conveying mechanism 4; the two sides of the shell 11 are correspondingly provided with a first conveying port 111 and a second conveying port 112 respectively, the conveying mechanism 4 comprises a conveying belt 41, and two ends of the conveying belt 41 extend out of the first conveying port 111 and the second conveying port 112 respectively.

The laser cutting mechanism 2 comprises a base 21, a fixed seat 22, a triaxial movement mechanism 23 and a laser head 238; the fixed seat 22 is arranged on the base 21; the left and right sides of the fixing seat 22 are provided with bosses, and the bosses on the two sides are used for installing the triaxial movement mechanism 23. A waste port is arranged at the middle part of the fixed seat 22 and below the movement range of the laser head 238; there is the waste bin below the waste gate, and the waste material that laser head 238 cut falls into the waste bin through the waste gate and collects. The boss is also provided with an opening for mounting the conveyor belt 41.

The three-axis movement mechanism 23 includes a Y-axis rail 231, an X-axis rail 234, and a Z-axis rail 236. The Y-axis rail 231 is provided with two bosses respectively arranged at the left side and the right side of the fixed seat 22; also included is a beam 233, the X-axis rail 234 being disposed on the beam 233. Sliding parts 232 matched with the Y-axis rails 231 are arranged at two ends of the cross beam 233; the boss is further provided with a linear motor, and the linear motor is connected to the beam 233. The sliding part 232 can drive the beam 233 to slide on the Y-axis rail 231 by driving the sliding part 232 through a linear motor.

Preferably, the motor housing is connected with the beam 233, and the linear motor sliding part 232 is partially disposed in the motor housing, and the motor housing slides on the Y-axis rail 231 along with the beam 233.

The folding dust cover is characterized by further comprising a folding dust cover, one end of the folding dust cover is connected with the boss through a front plate arranged on the boss, the other end of the folding dust cover is connected with the motor casing, and scraps produced in the cutting process can be prevented from falling into the rail through the folding dust cover, so that the rail is damaged.

Preferably, anti-collision blocks are arranged on two sides of the Y-axis rail 231, so that components such as the cross beam 233 and the motor casing are prevented from being damaged in the sliding process.

A sliding table 235 is arranged on the beam 233, and a sliding block matched with the X-axis rail 234 is arranged below the sliding table 235; and the device also comprises a linear motor which is arranged on the beam 233 and connected with the sliding table 235. The sliding table 235 can be driven to slide on the X axis by a linear motor.

The folding dust cover is preferably further included, one end of the folding dust cover is connected with the sliding table 235, the other end of the folding dust cover is connected with two ends of the cross beam 233, and scraps generated in the cutting process can be prevented from falling into the track through the folding dust cover, so that the track is damaged.

Preferably, anti-collision blocks are arranged on two sides of the X-axis rail 234, so that components such as the cross beam 233 and the motor casing are prevented from being damaged in the sliding process.

Preferably, there are two X-axis rails 234, and the linear motor is disposed between the two rails. By arranging two tracks, the sliding table 235 can run more stably in the X-axis direction, and the positioning error is smaller. Is beneficial to improving the processing precision of products.

The Z-axis rail 236 is arranged on the sliding table 235, and the laser head 238 is connected to the Z-axis rail 236 in a sliding manner. The laser head device further comprises a push rod 237, one end of the push rod 237 is connected with the sliding table 235, and the other end of the push rod 237 is connected with the laser head 238. Laser head 238 may be pushed by push rod 237 to slide on Z-axis rail 236.

The workpiece transfer mechanism 3 is arranged below the laser head 238 and comprises a bottom plate 31; the bottom plate 31 is disposed on the fixing base 22 and located between the bosses on two sides of the fixing base 22. A window is reserved on the bottom plate 31, and the window corresponds to the waste port. The scraps produced by cutting enter the scrap bin through the window and the scrap port.

The bottom plate 31 is provided with a storage bin 32, a material taking mechanism 33, a material conveying mechanism 34, a clamping mechanism 35 and a fixing mechanism 36. The workpiece is taken out from the storage bin 32 through the material taking mechanism 33 and transferred to the material conveying mechanism 34, the material conveying mechanism 34 transfers the workpiece to the fixing mechanism 36, and the workpiece is fixed under the combined action of the fixing mechanism 36 and the clamping mechanism 35. And cutting is completed on the fixed position, and after cutting is completed, the cutting is transmitted by using the material conveying mechanism 34. Below the securing mechanism 36 is a waste port, and a waste bin.

The storage bin 32 comprises a bin plate arranged on the bottom plate 31; the deck includes a first deck 321, a second deck 322, and a third deck 323; the first bin plate 321 is perpendicular to the second bin plate 322, and the first bin plate 321 and the second bin plate 322 are fixed with the bottom plate 31; the third deck 323 is parallel to the first deck 321 and perpendicular to the third deck 323; the first deck 321, the second deck 322, and the third deck 323 form a storage bin 32; preferably, the third deck 323 is adjustable from side to side, i.e., the third deck 323 is slidably coupled to the bottom plate 31 for accommodating workpieces of different sizes. The third deck 323 is appropriately adjusted and fixed to the bottom plate 31 by the fixing mechanism 36. The third deck 323 is connected to the bottom plate 31 in a manner well known in the art and not described in detail herein. Preferably, the first and

third warehouse boards

321 and 323 are provided with a limiting board, which can prevent the workpiece from falling off.

The material taking mechanism 33 comprises a first sliding rail 332 and a first push rod 331 which are arranged on the bottom plate 31; the first sliding rail 332 is provided with a first sliding block 333; one end of the first push rod 331 is fixed to the bottom plate 31, and the other end is connected to the first slider 333. The first push rod 331 can drive the first slider 333 to move left and right. A material taking arm is arranged on the sliding block, and a second sliding rail and a second push rod 334 are arranged on the material taking arm; a second sliding block is arranged on the second sliding rail; one end of the second push rod 334 is connected with the material taking arm, and the other end is connected with the second sliding block; the second slider is provided with a vacuum chuck 335. When the vacuum chuck device works, after the material taking arm moves to the position above the storage bin 32 under the drive of the first push rod 331, the second push rod 334 pushes the second slide block to drive the vacuum chuck 335 to move up and down; the vacuum chuck 335 is used for sucking the workpiece; thereby completing the picking-up action of the workpiece.

Preferably, anti-collision devices are arranged at two ends of the first sliding rail 332, and the anti-collision devices are hydraulic anti-collision heads.

The clamping mechanism 35 comprises clamping blocks, and the clamping blocks comprise a first clamping block 351 and a second clamping block 352; the first clamping block 351 and the second clamping block 352 are arranged in parallel; the clamping block is disposed perpendicular to the first slide rail 332. The first clamping block 351 and the second clamping block 352 are provided with corresponding workpiece grooves; the workpiece groove is used for preventing the workpiece from moving left and right on the clamping block. The first clamping block 351 is fixed to the bottom plate 31. The bottom plate 31 is also provided with a third slide rail 353 and a fourth slide rail 354; the third sliding rail 353 and the fourth sliding rail 354 are respectively provided with a third sliding block and a fourth sliding block; two ends of the second clamping block 352 are respectively connected with the third sliding block and the fourth sliding block. And a third push rod 355 is further included, one end of the third push rod 355 is connected with the bottom plate 31, and the other end of the third push rod 355 is connected with the fourth sliding block. The fourth slider drives the second clamping block 352 to move left and right under the driving of the third push rod 355, so that the distance between the first clamping block 351 and the second clamping block 352 is changed; the clamping or loosening effect on the workpiece is achieved, or the proper spacing is selected according to the size of the workpiece. The preferred third push rod 355 may be a threaded push rod, either manually or automatically.

The material conveying mechanism 34 comprises a fifth sliding rail 342 and a fourth push rod 341; a fifth slider 343 is provided on the fifth slide rail 342; one end of the fourth push rod 341 is fixed with the bottom plate 31, and the other end is connected with the fifth sliding block 343; the fifth sliding rail 342 is arranged in parallel with the clamping block; the fourth push rod 341 may drive the fifth slider 343 to move back and forth. The fifth slider 343 is provided with a fifth push rod 344; the top of the fifth push rod 344 is provided with a clamping jaw 345. The fifth push rod 344 drives the motor to move up and down. The clamping jaw 345 is positioned between the first clamping block 351 and the second clamping block 352, and the clamping jaw 345 can drive the workpiece to move back and forth in the workpiece groove. Preferably, the clamping jaw 345 is a translational clamping jaw 345 to accommodate square magnet workpieces.

Preferably, anti-collision devices are disposed at two ends of the fifth sliding rail 342, and the anti-collision devices are hydraulic anti-collision heads.

The fixing mechanism 36 includes a sixth push rod 361, and the sixth push rod 361 is fixed to the bottom plate 31; the sixth push rod 361 is vertically placed. Further comprising a connection plate 362 and a fixing plate 363; the connecting plate 362 is hinged with the first clamping block 351; one end of the connecting plate 362 is connected with the fixing plate 363, and the fixing plate 363 stretches into the first clamping block 351 for a certain distance above the workpiece groove; the other end of the connection block is connected to the push rod portion of the sixth push rod 361. The fixing plate 363 can move up and down under the drive of the sixth push rod 361, so as to clamp the workpiece; preventing the workpiece from moving up and down during cutting. By adopting the scheme, a lever effect is formed between the fixed plate 363 and the push rod, so that the workpiece can be clamped more stably.

The rear end of the clamping mechanism 35 is provided with a blanking groove 37, and the blanking groove 37 is positioned between the first clamping block 351 and the second clamping block 352; and is lower than the height of the workpiece slot. The processed workpiece is moved along the workpiece groove to the blanking groove 37 by the pushing of the material conveying mechanism 34. The outlet of the discharge chute 37 is located above the conveyor 4. The workpiece falls into the conveyor 4 and is conveyed out of the cutter 1 by the conveyor 4. The conveyor belt 41 of the conveyor mechanism 4 is arranged perpendicularly to the gripping blocks.

Working principle: the material taking arm is driven by the first push rod 331 to enable the vacuum chuck 335 to reach the upper part of the storage bin 32, and the second push rod 334 drives the vacuum chuck 335 to descend and adsorb a workpiece on the chuck; after the second push rod 334 is lifted, the first push rod 331 transfers the material taking arm between the first clamping block 351 and the second clamping block; the second push rod 334 is lowered and the vacuum chuck 335 releases the workpiece to place the workpiece in the workpiece slot. The material conveying mechanism 34 ascends, the clamping jaw 345 grabs the workpiece, and the workpiece moves to the position below the laser head 238 in the workpiece groove under the drive of the fourth push rod 341; the jaws 345 are released and the transfer mechanism 34 is lowered and transferred to the starting position, placing the scrap during processing and causing damage to the jaws 345. The fixing mechanism 36 is activated, and the workpiece is pressed by the fixing plate 363. The triaxial movement mechanism 23 drives the laser head 238 to cut the workpiece under the drive of a preset program. The fixing mechanism 36 is loosened, and after the material conveying mechanism 34 pushes the workpiece to the discharging groove 37, the material conveying mechanism 34 returns to the initial position.

In the present utility model, the above control method and the electrical connection method of each electrical component are conventional control methods for those skilled in the art, and thus will not be described in detail.

In a second aspect, the present embodiment provides a multi-station neodymium iron boron cutting device. The cutting device comprises a plurality of neodymium iron boron precision laser cutting machines 1 provided in the first aspect. The cutting machines 1 are arranged in a straight line, and the first conveying opening 111 and the second conveying opening 112 of the adjacent cutting machines 1 correspond to each other; the conveyor belt 41 of the cutter 1 is connected end to end. Through the scheme, the cutting machine 1 of each device independently completes cutting, and the cutting machine is sequentially conveyed to the conveying belt 41 of the tail cutting machine 1 through the conveying belt 41, and finally, the cutting machine is collected. The floor area of the production workshop is greatly saved.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

Claims

1. A neodymium iron boron cutting machine which is characterized in that: the cutting machine (1) comprises a laser cutting mechanism (2), a workpiece transferring mechanism (3) and a conveying mechanism (4);

the laser cutting mechanism (2) comprises a triaxial movement mechanism (23) and a laser head (238), and the laser head (238) is arranged on the triaxial movement mechanism (23);

the workpiece transfer mechanism (3) is arranged below the laser head (238); the workpiece transfer mechanism (3) comprises a bottom plate (31); the bottom plate (31) is provided with a storage bin (32), a material taking mechanism (33), a material conveying mechanism (34), a clamping mechanism (35) and a fixing mechanism (36); the storage bin (32) is used for placing a workpiece to be cut; the material taking mechanism (33) is used for taking the workpiece out of the storage bin (32) and transferring the workpiece to the clamping mechanism (35); the material conveying mechanism (34) is used for enabling the workpiece to move in the clamping mechanism (35); the fixing mechanism (36) is used for fixing the workpiece to the clamping mechanism (35);

the material taking mechanism (33) comprises a first sliding rail (332) and a first push rod (331) which are arranged on the base (21); a first sliding block (333) is arranged on the first sliding rail (332); one end of the first push rod (331) is fixed with the base (21), and the other end is connected with the first sliding block (333); the first push rod (331) can drive the first sliding block (333) to move left and right; the slide block is provided with a material taking arm, and the material taking arm is provided with a second slide rail and a second push rod (334); a second sliding block is arranged on the second sliding rail; one end of a second push rod (334) is connected with the material taking arm, and the other end of the second push rod is connected with a second sliding block; the second slider is provided with a vacuum chuck (335).

2. The neodymium iron boron cutting machine according to claim 1, wherein: the laser cutting mechanism (2) comprises a base (21), a fixed seat (22), a triaxial movement mechanism (23) and a laser head (238); the fixed seat (22) is arranged on the base (21); bosses on the left side and the right side of the fixed seat (22) are used for installing a triaxial movement mechanism (23);

the triaxial movement mechanism (23) comprises a Y-axis rail (231), an X-axis rail (234) and a Z-axis rail (236); the device is provided with two Y-axis rails (231), and the two Y-axis rails (231) are respectively arranged on bosses on the left side and the right side of the fixed seat (22); the X-axis rail (234) is arranged on the cross beam (233); sliding parts (232) matched with the Y-axis rails (231) are arranged at two ends of the cross beam (233); the boss is also provided with a linear motor which is connected with the beam (233); the sliding part (232) is driven by the linear motor, and the sliding part (232) can drive the cross beam (233) to slide on the Y-axis rail (231);

a sliding table (235) is arranged on the cross beam (233), and a sliding block matched with the X-axis rail (234) is arranged below the sliding table (235); the device also comprises a linear motor, wherein the linear motor is arranged on the cross beam (233) and is connected with the sliding table (235); the sliding table (235) can be driven to slide on the X axis through the linear motor;

a Z-axis rail (236) is arranged on the sliding table (235), and a laser head (238) is connected to the Z-axis rail (236) in a sliding manner; the laser head is characterized by further comprising a push rod (237), wherein one end of the push rod (237) is connected with the sliding table (235), and the other end of the push rod is connected with the laser head (238); the laser head (238) can be pushed to slide on the Z-axis rail (236) by the push rod (237).

3. The neodymium iron boron cutting machine according to claim 1, wherein: the clamping mechanism (35) comprises clamping blocks, and each clamping block comprises a first clamping block (351) and a second clamping block (352); the first clamping block (351) and the second clamping block (352) are arranged in parallel; the clamping block is arranged vertically to the first sliding rail (332); the first clamping block (351) and the second clamping block (352) are provided with corresponding workpiece grooves; the workpiece groove is used for preventing the workpiece from moving left and right on the clamping block; the first clamping block (351) is fixed with the bottom plate (31); the bottom plate (31) is also provided with a third sliding rail (353) and a fourth sliding rail (354); a third sliding block and a fourth sliding block are respectively arranged on the third sliding rail (353) and the fourth sliding rail (354); two ends of the second clamping block (352) are respectively connected with the third sliding block and the fourth sliding block; the novel sliding block comprises a bottom plate (31), and is characterized by further comprising a third push rod (355), wherein one end of the third push rod (355) is connected with the bottom plate (31), and the other end of the third push rod is connected with a fourth sliding block.

4. The neodymium iron boron cutting machine according to claim 1, wherein: the material conveying mechanism (34) comprises a fifth sliding rail (342) and a fourth push rod (341); a fifth sliding block (343) is arranged on the fifth sliding rail (342); one end of a fourth push rod (341) is fixed with the bottom plate (31), and the other end of the fourth push rod is connected with a fifth sliding block (343); the fifth sliding rail (342) is arranged in parallel with the clamping block; the fourth push rod (341) can drive the fifth sliding block (343) to move forwards and backwards; a fifth push rod (344) is arranged on the fifth sliding block (343); the top of the fifth push rod (344) is provided with a clamping jaw (345).

5. The neodymium iron boron cutting machine according to claim 1, wherein: the fixing mechanism (36) comprises a sixth push rod (361), and the sixth push rod (361) is fixed with the bottom plate (31); the sixth push rod (361) is vertically arranged; the device also comprises a connecting plate (362) and a fixing plate (363); the connecting plate (362) is hinged with the first clamping block (351); one end of the connecting plate (362) is connected with the fixed plate (363); the other end of the connecting block is connected with a sixth push rod (361).

6. The neodymium iron boron cutting machine according to claim 5, wherein: the rear end of the clamping mechanism (35) is provided with a blanking groove (37), and the blanking groove (37) is positioned between the first clamping block (351) and the second clamping block (352).

7. The neodymium iron boron cutting machine according to claim 6, wherein: the automatic feeding device further comprises a conveying mechanism (4), wherein the conveying mechanism (4) comprises a conveying belt (41), and the conveying belt (41) is arranged below the blanking groove (37).