CN219484563U - Neodymium iron boron precision laser cutting equipment - Google Patents

Abstract

The utility model relates to the technical field of precision laser processing, and particularly discloses neodymium iron boron precision laser cutting equipment, a laser cutting platform and an outer shield, wherein the laser cutting platform comprises a frame, buffer rubber mats are fixed at four corners of the upper end of the frame, a workbench surface is fixed above the buffer rubber mats, an automatic feeding and discharging jig is fixed on the upper surface of the workbench surface, one side of the automatic feeding and discharging jig is provided with an X-axis module fixed on the workbench surface, a Y-axis module is fixed on a moving part of the X-axis module, and a Z-axis module is fixed on a moving part of the Y-axis module. The beneficial effects are that: the structure design of the cross platform inverted transmission shaft is combined with the upper and lower split negative pressure air draft design to be matched with the double-chuck alternating automatic feeding and discharging jig, so that the three problems that laser processing efficiency is low, dust is easy to enter the transmission shaft of equipment, and waste dust is difficult to recover are effectively solved, and the device has good practical application effect and practical value.

Description

Neodymium iron boron precision laser cutting equipment

Technical Field

The utility model relates to the technical field of precise laser processing, in particular to neodymium iron boron precise laser cutting equipment.

Background

At present, in the field of NdFeB material processing equipment, commonly used equipment is roughly divided into two types, namely wire cutting equipment and laser cutting equipment, and the utility model belongs to the laser cutting equipment; the processing of the neodymium iron boron material by adopting laser cutting equipment is just developed in the last two years, the general laser cutting equipment in the market structurally adopts a structure form of a gantry double-drive or a gantry single-drive, the processing breadth of the structure form is larger, and the structure form is a general machine type, but the general machine type is a general jig when cutting the neodymium iron boron material, so the clamping time is long, and the processing efficiency is low; because dust is easy to generate in the processing process, the dust removal effect is poor, and the use precision and the service life are affected due to the ash entering of a transmission shaft of the equipment.

Disclosure of Invention

The utility model provides neodymium iron boron precision laser cutting equipment for solving the problems.

The technical scheme of the utility model is realized as follows:

the utility model provides a accurate laser cutting equipment of neodymium iron boron, laser cutting platform and outer guard shield, laser cutting platform includes the frame, frame upper end four corners is fixed with the buffering cushion, the buffering cushion top is fixed with table surface, the frame with gap edge between the table surface is inlayed and is had the sealing strip, be fixed with automatic unloading tool on the table surface, automatic unloading tool one side is provided with and fixes X axle module on the table surface, be fixed with Y axle module on the moving part of X axle module, be fixed with Z axle module on the moving part of Y axle module, be fixed with the cutting head keysets on the moving part of Z axle module, be fixed with the laser cutting head on the cutting head keysets, the laser cutting head is just right automatic unloading tool's central point put, the last correspondence of table surface the position shaping of laser cutting head has the blanking mouth that runs through, the below that is located the mouth of frame inside has placed the finished product bin, frame external fixation has outer guard shield, outer guard shield lower extreme lateral wall articulates the moving part is fixed with the outer guard shield, outer guard shield upper end is connected with the outer guard shield through the sealed top is fixed with outer guard shield.

Further, one side of the upper end of the outer protective cover is hinged with an observation window, and the observation window is arranged on one side close to the automatic feeding and discharging jig.

Further, the X-axis module and the Y-axis module are linear motors, the moving stators of the X-axis module and the Y-axis module face opposite, and the Z-axis module is a ball screw module.

Further, the automatic feeding and discharging jig comprises a reference plate, two first linear guide rail pairs are fixed on the upper surface of the reference plate side by side along the length direction, a feeding mechanism is fixed above two ends of the reference plate respectively, a feeding mechanism is mounted on a sliding block of the first linear guide rail pairs, the feeding mechanism comprises a feeding sliding block which is slidably mounted on the first linear guide rail pairs, two clamping mechanisms are symmetrically fixed on two ends of the upper surface of the feeding sliding block, and one end of the feeding sliding block is fixed with a first reciprocating driving mechanism.

Further, the first reciprocating driving mechanism comprises a feeding motor mounting plate and a first clamping synchronous belt, the feeding motor mounting plate is fixed at one end of the feeding sliding block, a first closed-loop stepping motor is fixed on one side of the feeding motor mounting plate, a first synchronous belt wheel arranged on a power shaft of the first closed-loop stepping motor is arranged on the other side of the feeding motor mounting plate, two first synchronous belt idler wheels are symmetrically arranged on two sides of the first synchronous belt wheel, the first synchronous belt idler wheels are arranged in a rotating fit with the feeding motor mounting plate, two ends of the first clamping synchronous belt are fixed at two ends of the reference plate through first synchronous belt pressing blocks, the first clamping synchronous belt is parallel to the first linear guide rail pair, and the first clamping synchronous belt is coiled on the first synchronous belt wheel and the first synchronous belt idler wheels.

Further, feeding mechanism includes two silo jambs of symmetry fixed in datum plate tip both sides, be fixed with the silo bottom plate on the silo jamb, the fixed surface is fixed with the third linear guide on the silo bottom plate is vice, the third linear guide is vice perpendicular with first linear guide, install two silo regulating frames on the slider of third linear guide pair, the silo regulating frame is "T" type, the silo regulating frame inboard is fixed with the silo post through dismantling the connection, the cross-section of silo post is "L" type, the shaping of length direction has the position control slotted hole on the silo regulating frame, the silo bottom plate lower surface middle part is fixed with the layer board, the layer board is parallel with the silo regulating frame, the silo post inboard is fixed with the fender piece, the quantity of fender piece has at least one, the lower extreme of fender piece stretches out the ejection of compact grooved post, the distance of fender piece lower extreme from the layer board upper surface is greater than the thickness of a piece material board that waits to process, but is less than the thickness of two material boards that wait to process, the silo bottom plate rear end is through the screw fixation has the silo limiting plate, the shaping has two limiting grooves on the limiting plate, the shaping of symmetry has the silo limiting screw hole towards one side shaping of silo limiting plate, screw hole is fixed from the screw in the screw hole limiting plate.

Further, the clamping mechanism comprises two second linear guide rail pairs which are arranged on the feeding sliding block in parallel, the second linear guide rail pairs are vertically arranged with the first linear guide rail pairs, two groups of chuck adapter blocks are arranged on the sliding block of the second linear guide rail pairs, the two groups of chuck adapter blocks are symmetrically arranged, the upper surface of the chuck adapter block is lower than the height of the lower surface of the trough column, the lower surface of the chuck adapter block is fixedly provided with a second reciprocating driving mechanism, the lower end of the inner side of the chuck adapter block is fixedly provided with a dust blocking plate, the inner side of the upper surface of the chuck adapter block is provided with a chuck fixing groove, a material chuck is fixed in the chuck fixing groove through screws, the second reciprocating driving mechanism comprises a chuck motor mounting plate and a second clamping synchronous belt, the chuck motor mounting plate is fixed on one end lower surface of the chuck adapter block through detachable connection, one side of the chuck motor mounting plate is fixedly provided with a second closed-loop stepping motor, two sides of the second synchronous belt idler are symmetrically arranged on two sides of the second synchronous belt, the second synchronous belt idler and the chuck is in rotary fit with the chuck motor mounting plate, the second synchronous belt and the second synchronous belt is tightly clamped by the second synchronous belt and the second synchronous belt is tightly clamped on the second linear guide rail pair.

By adopting the technical scheme, the utility model has the beneficial effects that:

(1) The device adopts a structural form of a cross platform on a transmission structure, and adopts a structure of a movable stator inverted on a Y-axis module, so that the transmission structure is more compact and reasonable, is suitable for laser cutting processing of neodymium-iron-boron materials, simultaneously greatly saves equipment cost, improves transmission precision, and also greatly improves dust prevention of a shaft;

(2) The device optimizes the dust extraction effect by carrying out sealing design on the lower end of the frame, realizes the effect of synchronous negative pressure dust extraction of the upper and lower split bodies, effectively solves the problem of dust recovery in the cutting process of the NdFeB material, reduces the possibility that dust in the device enters a transmission structure, and ensures the long-time stable operation of the device;

(3) The automatic feeding and discharging jig of the equipment can realize automatic reciprocating feeding, improves the feeding and discharging efficiency, greatly improves the processing efficiency of the equipment, and ensures the consistency of mass production products.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a perspective view of a laser cutting platform of the present utility model;

FIG. 2 is a front view of a laser cutting platform of the present utility model;

FIG. 3 is a top view of the laser cutting deck of the present utility model;

FIG. 4 is a cross-sectional view of a laser cutting platform of the present utility model;

FIG. 5 is a perspective view of the outer shroud of the present utility model;

FIG. 6 is a front view of the outer shroud of the present utility model;

FIG. 7 is a perspective view of an automatic loading and unloading jig according to the present utility model

Fig. 8 is a cross-sectional view of the automatic feeding and discharging jig of the present utility model.

The reference numerals are explained as follows:

1. a frame; 2. buffering rubber cushion; 3. a work table; 4. a sealing strip; 5. a finished product storage box; 6. sealing the box door; 7. automatic feeding and discharging jig; 71. a reference plate; 72. a first linear guide pair; 73. a feeding mechanism; 731. a feeding slide block; 732. a clamping mechanism; 733. a first reciprocating drive mechanism; 74. a feeding mechanism; 8. an X-axis module; 9. a Y-axis module; 10. a Z-axis module; 11. a cutting head adapter plate; 12. a laser cutting head; 13. an outer shield; 14. an electric control cabinet; 15. a hinge base; 16. an operation table; 17. a handle bar; 18. an observation window; 19. and an exhaust tube.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-6, a neodymium iron boron precision laser cutting device, a laser cutting platform and an outer shield 13, wherein the laser cutting platform comprises a frame 1, the frame 1 is used as a base of the whole device, and is mainly formed by square tubes and steel plates through welding, so that the base is stable and firm, buffer rubber pads 2 are fixed at four corners of the upper end of the frame 1, a working table 3 made of marble is fixed above the buffer rubber pads 2, sealing strips 4 are inlaid at the edges of gaps between the frame 1 and the working table 3, an automatic feeding and discharging jig 7 is fixed on the upper surface of the working table 3, an X-axis module 8 fixed on the working table 3 is arranged on one side of the automatic feeding and discharging jig 7, the moving direction of the X-axis module 8 is in the left-right direction, a Y-axis module 9 is fixed on a moving part of the X-axis module 8, the moving direction of the Y-axis module 9 is in the front-back direction, a Z-axis module 10 is fixed on a moving part of the Y-axis module 9, a cutting head adapter plate 11 is fixed on the moving part of the Z-axis module 10, a laser cutting head 12 is fixed on the cutting head adapter plate 11, the laser cutting head 12 is opposite to the central position of the automatic feeding and discharging jig 7, a penetrating blanking opening is formed on the working table 3 corresponding to the position of the laser cutting head 12, a sealing foam adhesive tape is arranged on the periphery of the blanking opening, a finished product storage box 5 is placed below the blanking opening in the machine frame 1, an outer shield 13 is fixed outside the machine frame 1, the outer shield 13 comprises a front metal plate, a left metal plate, a right metal plate and a top metal plate, the contact part of the machine frame 1 and the outer shield 13 is installed in a tight fit manner, a large gap is avoided, a sealing box door 6 is hinged on the side wall of the lower end of the outer shield 13, a sealing ring is arranged at the contact part of the machine frame 1 and the sealing box door 6, the sealing effect is improved, an exhaust pipe 19 connected with a dust removing fan is fixed on the side wall of the lower end of the outer shield 13, the upper surfaces of four buffer rubber mats 2 and sealing foam rubber strips are connected with the lower surface of the working table surface 3, sealing rubber is beaten at the upper and lower connecting positions of the sealing foam rubber strips, so that the sealing foam rubber strips can be compressed under the gravity action of the marble working table surface 3, a non-leakage channel is formed between the frame 1 and a blanking port of the marble working table surface 3, when the dust removing fan works, the suction force generated by the dust removing fan is larger than the air quantity entering from the joint of the outer shield 13, a negative pressure space is formed above and below the working table surface 3, the atmospheric pressure only can get into from marble working table 3's upper surface processing region, take away from the exhaust port (the position that corresponds exhaust column 19) of frame 1, can accelerate the discharge of dust through negative pressure suction, top one side is fixed with automatically controlled cabinet 14 in the outer guard 13, outer guard 13 upper end one corner is fixed with operation panel 16 through articulated seat 15, operation panel 16 both sides are fixed with the handle pole 17 of being convenient for hold, install laser control system in the operation panel 16, laser control system is the customization that carries out on the laser cutting system of industry general, operation panel 16 and automatic feeding and discharging tool 7, X axle module 8, Y axle module 9, Z axle module 10, laser cutting head 12 electric connection, realize automated control.

In this embodiment, outer guard shield 13 upper end one side articulates there is observation window 18, and observation window 18 is located the one side setting that is close to automatic unloading tool 7 of going up, conveniently observes laser cutting scene from equipment outside, is fixed with the handle on the outer wall of observation window 18, conveniently opens observation window 18 and adds the material.

In this embodiment, the X-axis module 8 and the Y-axis module 9 are all a linear motor driven motion assembly composed of an X-axis marble beam, a linear guide rail pair, a rotor, a stator, a grating ruler, a reading head, a dust cover and other parts, and are consistent with the functions of the common linear motor module, the moving stators of the X-axis module 8 and the Y-axis module 9 face each other, that is, the Y-axis module 9 adopts a flip-chip structure, a slide plate of the Y-axis module 9 is connected with a slide plate of the X-axis module 8, the Z-axis module 10 is a ball screw module, and includes a guide rail dust cover, and the Z-axis module 10 is vertically installed to realize movement in the up-down direction (facing the machine tool).

As shown in fig. 7 and 8, the automatic feeding and discharging jig 7 includes a reference plate 71, two first linear guide rail pairs 72 are fixed on the upper surface of the reference plate 71 side by side along the length direction, a feeding mechanism 74 is fixed above two ends of the reference plate 71, and is used for storing materials, a feeding mechanism 73 is mounted on a slide block of the first linear guide rail pair 72 and is used for clamping the materials and delivering the materials to a station to be processed, the feeding mechanism 73 includes a feeding slide block 731 slidably mounted on the first linear guide rail pair 72, two clamping mechanisms 732 are symmetrically fixed on two ends of the upper surface of the feeding slide block 731, and used for clamping the materials, a first reciprocating driving mechanism 733 is fixed at one end of the feeding slide block 731, and the feeding slide block 731 can be driven to reciprocate on the first linear guide rail pair 72 through the first reciprocating driving mechanism 733 so as to realize bidirectional automatic feeding;

in this embodiment, the first reciprocating driving mechanism 733 includes a feeding motor mounting plate and a first clamping synchronous belt, the feeding motor mounting plate is fixed at one end of the feeding slider, a first closed-loop stepping motor is fixed at one side of the feeding motor mounting plate, a first synchronous pulley mounted on a power shaft of the first closed-loop stepping motor is arranged at the other side of the feeding motor mounting plate, two first synchronous belt idler pulleys are symmetrically mounted at two sides of the first synchronous pulley, the first synchronous belt idler pulleys are mounted in a rotating fit with the feeding motor mounting plate, two ends of the first clamping synchronous belt are fixed at two ends of the reference plate through first synchronous belt pressing blocks, the first clamping synchronous belt is parallel to the first linear guide rail pair, the first clamping synchronous belt is coiled on the first synchronous pulley and the first synchronous belt idler pulleys, the first closed-loop stepping motor is started to drive the first synchronous pulley to rotate, and the feeding slider is driven to reciprocate on the first linear guide rail pair 72 under the action of friction force.

In this embodiment, the feeding mechanism 74 includes two trough side posts symmetrically fixed on two sides of the end of the reference plate, a trough bottom plate is fixed on the trough side posts, a third linear guide pair is fixed on the upper surface of the trough bottom plate, the third linear guide pair is perpendicular to the first linear guide pair, two trough adjusting frames are mounted on the sliding block of the third linear guide pair, the trough adjusting frames are 'T' -shaped, the trough posts are detachably connected and fixed on the inner sides of the trough adjusting frames, the cross section of the trough posts is 'L' -shaped, two trough posts are fixed on each trough adjusting frame to form square trough grooves for placing stacked materials, position adjusting slots are formed on the trough adjusting frames along the length direction, the distance between the two trough adjusting frames, the distance between the trough posts from the trough adjusting frame end and the distance between a plurality of trough posts are all adjustable, and can be adjusted according to the size of the material plates to be processed, the middle part of the lower surface of the trough bottom plate is fixedly provided with a supporting plate which is parallel to the trough adjusting frame, a material plate to be processed is conveniently supported from the lower part, the material is prevented from falling, the inner side of the trough column is fixedly provided with a baffle block, the number of the baffle block is at least one, the baffle block is in direct contact with the material, the baffle block can be directly replaced when worn, the trough column is not required to be replaced, the maintenance cost is reduced, the lower end of the baffle block extends out of the trough column, the distance between the lower end of the baffle block and the upper surface of the supporting plate is larger than the thickness of the material plate to be processed but smaller than the thickness of the two material plates to be processed, the material plate to be processed can be clamped and moved each time, the rear end of the trough bottom plate is fixedly provided with a trough limiting plate through a screw, the trough limiting plate is symmetrically formed with two limiting grooves, the trough adjusting frame is formed towards one side of the trough limiting plate, the screw is screwed to the hand that is fixed with from the spacing inslot and passes in the spacing screw hole, can be fixed tightly behind the screw is screwed up to the hand after adjusting the position of silo alignment jig, avoids silo alignment jig to remove the position.

In this embodiment, the clamping mechanism 732 includes two second linear guide pairs installed in parallel on the feeding slide block, the second linear guide pairs are vertically disposed with the first linear guide pairs, two groups of chuck adapter blocks are installed on the slide block of the second linear guide pairs, the two groups of chuck adapter blocks are symmetrically disposed, the upper surface of the chuck adapter block is lower than the height of the lower surface of the trough column, the lower surface of the chuck adapter block is fixed with a second reciprocating driving mechanism, the second reciprocating driving mechanism can drive the chuck adapter block to slide on the second linear guide pairs to clamp or loosen materials, the lower end of the inner side of the chuck adapter block is fixed with a dust baffle, dust can be prevented from falling normally after processing, the inner side of the upper surface of the chuck adapter block is formed with a chuck fixing groove, the chuck fixing groove is internally provided with material chucks through screws, the shape and specification of the material chucks can be selected according to the size of the material chucks to be processed, the upper surface of the material chucks is higher than the upper surface of the baffle block, and the material chucks are lower than the lower surface of the baffle block, so that the material plates to be conveniently clamped; the second reciprocating driving mechanism comprises a clamping motor mounting plate and a second clamping synchronous belt, the clamping motor mounting plate is fixed on the lower surface of one end of the chuck adapter block through detachable connection, a second closed-loop stepping motor is fixed on one side of the clamping motor mounting plate, a second synchronous pulley fixed on a power shaft of the second closed-loop stepping motor is arranged on the other side of the clamping motor mounting plate, two second synchronous belt idler pulleys are symmetrically arranged on two sides of the second synchronous pulley, the second synchronous belt idler pulleys are installed in a rotating fit with the clamping motor mounting plate, two ends of the second clamping synchronous belt are fixed on the feeding slide block through second synchronous belt pressing blocks, the second clamping synchronous belt is parallel to the second linear guide rail pair, the second clamping synchronous belt is coiled on the second synchronous pulley and the second synchronous belt idler pulley, and the second closed-loop stepping motor is started to drive the second synchronous pulley to rotate so as to drive the chuck adapter block to slide on the second linear guide rail pair under the action of friction force.

The working principle of the utility model is as follows: firstly, placing a stack of neodymium iron boron materials to be processed in feeding mechanisms 74 on the left side and the right side of an automatic feeding and discharging jig 7, inputting an edited program into a laser control system in an operation table 16, clicking for operation, clamping a first neodymium iron boron material to a processing area by a clamping mechanism 732 on the left side of the automatic feeding and discharging jig 7, and then controlling an X-axis module 8, a Y-axis module 9 and a Z-axis module 10 to move by the program, and performing laser cutting processing by matching with laser generated by a laser cutting head 12; after the processing is finished, the clamping mechanism 732 on the left side of the automatic feeding and discharging jig 7 is loosened, the cut product falls into the finished product storage box 5 from the blanking port, and meanwhile, the clamping mechanism 732 on the right side of the automatic feeding and discharging jig 7 clamps a second neodymium iron boron material; then the left side clamping mechanism 732 is used for clamping the third material, meanwhile, the second material clamped by the right side clamping mechanism 732 is moved to the processing area for cutting, after the second product is processed, the third product is moved to the processing area for processing, so that the material on the left side and the material on the right side are processed in a reciprocating and alternating mode, the feeding and discharging time is greatly saved, most of the time is ensured to be in cutting processing, the processing efficiency is greatly improved, in the laser cutting process, a dust removing fan works to generate strong suction force, part of air can only enter the processing area from a gap at the upper end of the outer shield 13 due to the sealing performance of the outer shield 13, negative pressure can be formed in the frame 1 by the strong suction force, and generated dust can be completely sucked away when the air enters an exhaust pipe below the frame 1 from the upper side of the frame 1 through a blanking port.

The circuit connection related to the utility model is a conventional means adopted by the person skilled in the art, can obtain technical teaching through limited tests, and belongs to the widely used prior art.

Structures not specifically described in this application are prior art.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (7)

1. Neodymium iron boron precision laser cutting equipment, laser cutting platform and outer guard shield (13), laser cutting platform includes frame (1), its characterized in that: the automatic blanking machine comprises a frame (1), a buffer rubber cushion (2) is fixed at four corners of the upper end of the frame (1), a working table (3) is fixed above the buffer rubber cushion (2), a sealing strip (4) is embedded at the edge of a gap between the frame (1) and the working table (3), an automatic feeding and discharging jig (7) is fixed on the upper surface of the working table (3), an X-axis module (8) fixed on the working table (3) is arranged on one side of the automatic feeding and discharging jig (7), a Y-axis module (9) is fixed on a moving part of the X-axis module (8), a Z-axis module (10) is fixed on a moving part of the Y-axis module (9), a cutting head adapter plate (11) is fixed on the moving part of the Z-axis module (10), a laser cutting head (12) is fixed on the cutting head (11), the laser cutting head (12) is opposite to the central position of the automatic feeding and discharging jig (7), a shielding cover (13) corresponding to the blanking head (12) is arranged on the working table (3), a shielding box (1) is arranged on the outer side wall (13) of the frame, a sealing box (13) is arranged on the outer side wall (1), an exhaust pipe (19) connected with a dust removal fan is fixed on the side wall of the lower end of the outer shield (13), an electric control cabinet (14) is fixed on one side of the inner top of the outer shield (13), and an operation table (16) is fixed at one corner of the upper end of the outer shield (13) through a hinging seat (15).

2. The neodymium iron boron precision laser cutting device according to claim 1, wherein: an observation window (18) is hinged to one side of the upper end of the outer shield (13), and the observation window (18) is arranged on one side close to the automatic feeding and discharging jig (7).

3. The neodymium iron boron precision laser cutting device according to claim 1, wherein: the X-axis module (8) and the Y-axis module (9) are linear motors, the moving stators of the X-axis module (8) and the Y-axis module (9) face opposite, and the Z-axis module (10) is a ball screw module.

4. The neodymium iron boron precision laser cutting device according to claim 1, wherein: automatic go up unloading tool (7) including benchmark board (71), benchmark board (71) upper surface is fixed with two first straight line guide rail pairs (72) side by side along length direction, benchmark board (71) both ends top respectively is fixed with one feeding mechanism (74), install feeding mechanism (73) on the slider of first straight line guide rail pair (72), feeding mechanism (73) are in including slidable mounting feeding slider (731) on first straight line guide rail pair (72), feeding slider (731) upper surface both ends symmetry is fixed with two clamping mechanism (732), feeding slider (731) one end is fixed with first reciprocating drive mechanism (733).

5. The neodymium iron boron precision laser cutting device according to claim 4, wherein: the first reciprocating driving mechanism (733) comprises a feeding motor mounting plate and a first clamping synchronous belt, the feeding motor mounting plate is fixed at one end of the feeding sliding block, a first closed-loop stepping motor is fixed at one side of the feeding motor mounting plate, a first synchronous belt wheel arranged on a power shaft of the first closed-loop stepping motor is arranged at the other side of the feeding motor mounting plate, two first synchronous belt idler wheels are symmetrically arranged on two sides of the first synchronous belt wheel, the first synchronous belt idler wheels are arranged in a rotating fit with the feeding motor mounting plate, two ends of the first clamping synchronous belt are fixed at two ends of the datum plate through first synchronous belt pressing blocks, the first clamping synchronous belt is parallel to the first linear guide rail pair, and the first clamping synchronous belt is coiled on the first synchronous belt wheel and the first synchronous belt idler wheels.

6. The neodymium iron boron precision laser cutting device according to claim 5, wherein: the feeding mechanism (74) comprises two trough side posts symmetrically fixed on two sides of the end part of the datum plate, a trough bottom plate is fixed on the trough side posts, a third linear guide rail pair is fixed on the upper surface of the trough bottom plate, the third linear guide rail pair is perpendicular to the first linear guide rail pair, two trough adjusting frames are mounted on sliding blocks of the third linear guide rail pair, the trough adjusting frames are T-shaped, trough posts are detachably connected and fixed on the inner sides of the trough adjusting frames, the cross sections of the trough posts are L-shaped, position adjusting slotted holes are formed on the trough adjusting frames along the length direction, a supporting plate is fixed in the middle of the lower surface of the trough bottom plate, the supporting plate is parallel to the trough adjusting frames, a baffle block is fixed on the inner sides of the trough posts, at least one baffle block extends out of the trough posts, the distance between the lower ends of the baffle block and the upper surface of the supporting plate is larger than the thickness of a material plate to be processed, but smaller than the thickness of two material plates to be processed, trough limiting plates are fixed by screws, two limiting grooves are symmetrically formed on the limiting plates, and a screw hole is formed on one side of each limiting frame, which faces the screw hole is formed, and a limiting screw penetrates through the inside of the limiting screw hole.

7. The neodymium iron boron precision laser cutting device according to claim 6, wherein: the clamping mechanism (732) comprises two second linear guide rail pairs which are arranged on the feeding slide block in parallel, the second linear guide rail pairs are arranged perpendicular to the first linear guide rail pairs, two groups of chuck adapter blocks are arranged on the slide block of the second linear guide rail pairs, the two groups of chuck adapter blocks are symmetrically arranged, the upper surface of each chuck adapter block is lower than the height of the lower surface of the trough column, a second reciprocating driving mechanism is fixed on the lower surface of each chuck adapter block, a dust blocking plate is fixed at the lower end of the inner side of each chuck adapter block, a chuck fixing groove is formed in the inner side of the upper surface of each chuck adapter block, and a material chuck is fixed in each chuck fixing groove through a screw; the second reciprocating driving mechanism comprises a clamping motor mounting plate and a second clamping synchronous belt, the clamping motor mounting plate is fixed on the lower surface of one end of the chuck adapter block through detachable connection, a second closed-loop stepping motor is fixed on one side of the clamping motor mounting plate, a second synchronous belt pulley fixed on a power shaft of the second closed-loop stepping motor is arranged on the other side of the clamping motor mounting plate, two second synchronous belt idler pulleys are symmetrically arranged on two sides of the second synchronous belt pulley, the second synchronous belt idler pulleys are installed in a rotating fit with the clamping motor mounting plate, two ends of the second clamping synchronous belt are fixed on the feeding sliding block through second synchronous belt pressing blocks, the second clamping synchronous belt is parallel to the second linear guide rail pair, and the second clamping synchronous belt is coiled on the second synchronous belt pulley and the second synchronous belt idler pulleys.