CN115700162A

CN115700162A - Metal laser cutting machine with accurate location structure

Info

Publication number: CN115700162A
Application number: CN202211477024.7A
Authority: CN
Inventors: 潘志昌
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-02-07

Abstract

The invention discloses a metal laser cutting machine with an accurate positioning structure, which is provided with a cutting machine body, wherein a first driving shaft is arranged at the upper edge of the cutting machine body; the method comprises the following steps: the protection box is fixed at the top of the cylinder, and a movable shaft penetrates through an inner bearing of the protection box; the connecting boxes are fixed on two sides of the protection box, and connecting shafts penetrate through inner bearings of the connecting boxes; the motor is installed at the bottom of the cutting machine body through a bolt, and an output shaft of the motor is connected with a movable cylinder; and the fixing rod is fixed on the side surface of the bearing plate. This metal laser cutting machine with accurate location structure can carry out corresponding adjustment to the operable scope of laser cutting head according to the size of cutting, avoids causing the damage to location structure and other structures to the power that usable laser cutting head self removed the production carries out the synchronous absorption to the exhaust fume that produces during the cutting.

Description

Metal laser cutting machine with accurate location structure

Technical Field

The invention relates to the technical field of laser cutting machines, in particular to a metal laser cutting machine with an accurate positioning structure.

Background

In the processing process of a metal workpiece, the metal workpiece needs to be cut into a specific shape according to different purposes, and therefore a laser cutting machine needs to be used, compared with the traditional method for cutting by utilizing a blade, the laser cutting machine has the advantages of high precision, more flexible cutting and the like, and when the metal workpiece is processed, the workpiece needs to be accurately positioned, for example, a dust removal type laser cutting machine for processing a metal plate with the publication number of CN211727943U comprises a cutting machine body, a processing table is arranged at the top of the cutting machine body, workpiece positioning devices are arranged on two sides of the inner wall of the processing table, longitudinal moving devices are arranged on two sides of the top of the processing table, a cross beam is arranged between the two longitudinal moving devices, a laser emitter is connected to the outer wall of the cross beam in a sliding mode, a laser beam emitting head is arranged at the bottom of the laser emitter, a dust collection disc is sleeved at the top of the outer wall of the laser beam emitting head, a miniature exhaust fan is installed at the center of the top of the laser emitter, and a gas filtering device is installed on one side of the top of the cross beam. This dust type laser cutting machine not only design has dust removal filter equipment, still designs protection machanism, can absorb and filter a large amount of dusts that produce when laser cutting with gaseous, and work efficiency improves greatly, is worth wideling popularize. However, the dust-removing type laser cutting machine for processing the metal plate still has the following defects in the actual use process:

1. after a metal workpiece is positioned by a traditional laser cutting machine, the operable range of a laser cutting head is inconvenient to correspondingly adjust according to the cutting size, so that the damage of a positioning structure is easily caused in the cutting process, and the subsequent stable limiting of a metal plate is influenced;

2. and the power that laser cutting head self removal produced can't be utilized, comes to absorb the waste cigarette synchronous that the cutting produced, usually need with the help of extra smoking equipment, and cutting and the waste cigarette of absorption can't be unified, still need consume a large amount of electric drive costs.

Aiming at the problems, innovative design is urgently needed on the basis of the original metal laser cutting machine.

Disclosure of Invention

The invention aims to provide a metal laser cutting machine with a precise positioning structure, which aims to solve the problems that the prior art provides inconvenience for correspondingly adjusting the operable range of a laser cutting head according to the cutting size, so that the positioning structure is easily damaged in the cutting process, power generated by the movement of the laser cutting head cannot be utilized to synchronously absorb waste smoke generated by cutting, and extra smoking equipment is usually needed.

In order to achieve the purpose, the invention provides the following technical scheme: a metal laser cutting machine with an accurate positioning structure is provided with a cutting machine body, wherein a first driving shaft is arranged at the upper edge of the cutting machine body, a supporting plate is fixedly sleeved on the outer side of the first driving shaft, a second driving shaft penetrates through the inner side of the supporting plate in a movable mode, an air cylinder is installed on the outer side of the second driving shaft in a threaded mode, and a laser cutting head is connected to the bottom of the air cylinder;

the method comprises the following steps:

the protection box is fixed at the top of the cylinder, a movable shaft penetrates through an inner bearing of the protection box, a fan blade is fixedly installed at one end, close to the protection box, of the movable shaft, the bottom of the protection box is connected with a smoking head through a gas pipe, and the smoking head is installed on the side of the cylinder;

the connecting box is fixed on two sides of the protection box, a connecting shaft penetrates through an inner bearing of the connecting box, another fan blade is fixedly installed at one end, close to the connecting box, of the connecting shaft, and the bottom of the connecting box is connected with the gas pipe through the connecting pipe;

the motor is mounted at the bottom of the cutting machine body through a bolt, an output shaft of the motor is connected with a movable cylinder, a bearing plate is movably mounted inside the cutting machine body, and the bearing plate is movably arranged on the inner side of the cutting machine body;

the fixed rod is fixed to the side face of the bearing plate, one end, far away from the bearing plate, of the fixed rod is fixed with the piston plate, the outer side of the piston plate is sleeved with the fixing box, the fixing box is fixed to the inner bottom face of the cutting machine body, and the side face of the fixing box is connected with the sucker through the first hose.

Preferably, the middle position cover of loose axle is equipped with first gear, and the below meshing of first gear is connected with first rack to first rack is fixed between 2 backup pads, and first gear and loose axle are one-way bearing connection simultaneously, therefore the first gear move the right the time accessible and the meshing transmission between the first rack drive the flabellum rotate and produce suction, and rotate between second gear and the loose axle.

Preferably, the pot head that the flabellum was kept away from to the loose axle is equipped with the second gear, and the top meshing of second gear is connected with the second rack to the second rack is fixed between 2 backup pads, and second gear and loose axle are one-way bearing connection simultaneously, and when the second gear left removal the accessible and the meshing transmission between the second rack drive the flabellum and continue to rotate and produce suction, and rotate between first gear and the loose axle.

Preferably, the pot head that the connecting box was kept away from to the connecting axle is equipped with movable loop bar, and the bottom welding of movable loop bar has the gravity ball, the protection box passes through the gas-supply pipe and the first intercommunication of smoking, and the connecting box is linked together through connecting pipe and gas-supply pipe to all be provided with the check valve on gas-supply pipe and the connecting pipe, consequently through the weight of gravity ball when the laser cutting head back-and-forth movement, can drive movable loop bar and rotate on the connecting axle, and then drive the connecting axle through the swing and rotate.

Preferably, the both ends of a movable section of thick bamboo slide and are provided with the guide pole, and the guide pole one end of keeping away from a movable section of thick bamboo is connected with the movable rod to guide pole and movable rod are connected for rotating, and the one end that the guide pole was kept away from to the movable rod simultaneously and the vertical face of loading board are articulated, can drive the synchronous rotation of guide pole when a movable section of thick bamboo rotates, and through the rotation and the guide of movable rod, can drive 2 loading boards and keep away from each other.

Preferably, the bearing plate is symmetrically distributed about the vertical axis of the cutting machine body, the bearing plate and the cutting machine body form a relative sliding structure, the fixing rod is connected with the fixing box in a sliding mode, the edge of the piston plate is tightly attached to the inner wall of the fixing box in a sliding mode, and the operable range of the laser cutting head can be adjusted by keeping away the bearing plate from each other.

Preferably, the space of the piston plate, which is close to one side of the fixed rod, is communicated with the suckers through first hoses, the suckers are arranged on the surface of the bearing plate in an equidistant mode, a movable groove is formed in the bearing plate on the outer side of each sucker, and the suckers form a sliding structure through the movable grooves and the bearing plate.

Preferably, the space of one side, far away from the fixed rod, of the piston plate is communicated with the pushing block through a second hose, the pushing block is fixed on the vertical surface of the loading plate, a feeding hole is reserved in the inclined surface of the pushing block, meanwhile, the bottom of the pushing block is connected with the surface of the fixed plate in a fitting mode, and when the piston plate moves in the direction far away from the fixed rod, waste scraps falling during cutting can be sucked out through the second hose.

Preferably, the fixed plate runs through the inside of the bearing plate, the two ends of the fixed plate are fixedly connected with the inner wall of the cutting machine body, the connecting block is fixed in the middle of the fixed plate, the fixed plates at the two ends of the connecting block are provided with the fixed blocks at equal intervals, when the bearing plate moves, the pushing block can be driven to stack chips falling on the fixed plate together, and the adhesion of the chips is reduced through the contact between the pushing block and the fixed blocks.

Compared with the prior art, the invention has the beneficial effects that: this metal laser cutting machine with accurate location structure can carry out corresponding adjustment to the operable scope of laser cutting head according to the size of cutting, avoids causing the damage to location structure and other structures to the power that produces is removed to usable laser cutting head self, carries out the synchronous absorption to the waste smoke that produces when cutting, and concrete content is as follows:

1. when the 2 bearing plates are mutually far away from each other to enlarge the operable range of the laser cutting head, the piston plate can be pushed by the fixing rod to move to one side far away from the fixing rod, and then gas in the sucker is sucked out through the first hose, so that the sucker can be stably contacted with the lower surface of the metal plate, the position accuracy after positioning is ensured, and when the bearing plates continuously move, the sucker can be driven to slide in the movable groove due to the fixation between the sucker and the metal plate, so that the adsorbed position of the metal plate can be positioned at the edge of the bearing plate, and the operation of the metal cutting head in a wider range is realized;

2. when the piston plate is pushed to move towards one side of the fixed rod, the pushing block can be driven to contact with the fixed block, so that the generated vibration can shake off the chips adhered to the fixed plate and can play a role of collecting the chips towards the central axis of the fixed plate, and then the chips can be sucked into the second hose from the feed hole and then discharged through the suction force generated when the piston plate moves, so that the function of cleaning the chips is achieved;

3. when the laser cutting head moves left and right, the first gear moves right, the first gear can be meshed with the first rack in a transmission mode, the fan blades are driven to rotate and then generate suction force, the second gear rotates with the movable shaft, the second gear moves left, the second gear can be meshed with the second rack in a transmission mode, the first gear and the movable shaft rotate at the moment, the fan blades are driven to continue to rotate towards one direction to generate suction force, inertia force is utilized when the laser cutting head moves back and forth, the movable sleeve rod can be driven to rotate on the connecting shaft, and then the other fan blade can be driven to rotate towards one direction only, therefore, when the laser cutting head moves towards the other direction to cut, waste gas generated during cutting can be synchronously sucked out.

Drawings

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

FIG. 2 is a schematic top view of the carrier plate according to the present invention;

FIG. 3 is a schematic view of a front cross-sectional structure of the carrier plate of the present invention;

FIG. 4 is a schematic side sectional view of the protective case of the present invention;

FIG. 5 is a front view of the first gear of the present invention;

FIG. 6 is a schematic side view of the connection box of the present invention;

FIG. 7 is a schematic front sectional view of the junction box of the present invention;

FIG. 8 is a schematic cross-sectional view taken at A in FIG. 3 according to the present invention.

In the figure: 1. a cutter body; 2. a first drive shaft; 3. a support plate; 4. a second drive shaft; 5. a cylinder; 6. a laser cutting head; 7. a protective case; 8. a movable shaft; 9. a first gear; 10. a first rack; 11. a second gear; 12. a second rack; 13. a gas delivery pipe; 14. a cigarette end; 15. a connection box; 16. a connecting shaft; 17. a fan blade; 18. a movable loop bar; 19. a gravity ball; 20. a connecting pipe; 21. an electric motor; 22. a movable barrel; 23. a guide rod; 24. a movable rod; 25. a carrier plate; 26. a fixing rod; 27. a piston plate; 28. a fixing box; 29. a first hose; 30. a suction cup; 31. a movable groove; 32. a second hose; 33. a material pushing block; 34. a feed port; 35. a fixing plate; 36. a fixed block; 37. and (4) connecting the blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: a metal laser cutting machine with an accurate positioning structure is provided with a cutting machine body 1, a first driving shaft 2 is arranged at the upper edge of the cutting machine body 1, a supporting plate 3 is fixedly sleeved on the outer side of the first driving shaft 2, a second driving shaft 4 penetrates through the inner side of the supporting plate 3 in a movable mode, an air cylinder 5 is installed on the outer side of the second driving shaft 4 in a threaded mode, and a laser cutting head 6 is connected to the bottom of the air cylinder 5; the method comprises the following steps: the protection box 7 is fixed on the top of the air cylinder 5, a movable shaft 8 penetrates through an inner bearing of the protection box 7, a fan blade 17 is fixedly installed at one end, close to the protection box 7, of the movable shaft 8, the bottom of the protection box 7 is connected with a smoking head 14 through an air conveying pipe 13, and the smoking head 14 is installed on the side of the air cylinder 5; the connecting box 15 is fixed on two sides of the protection box 7, a connecting shaft 16 penetrates through an inner bearing of the connecting box 15, another fan blade 17 is fixedly installed at one end, close to the connecting box 15, of the connecting shaft 16, and the bottom of the connecting box 15 is connected with the air conveying pipe 13 through a connecting pipe 20; the motor 21 is installed at the bottom of the cutting machine body 1 through bolts, an output shaft of the motor 21 is connected with a movable cylinder 22, a bearing plate 25 is movably installed inside the cutting machine body 1, and the bearing plate 25 is movably arranged on the inner side of the cutting machine body 1; the fixing rod 26 is fixed on the side surface of the bearing plate 25, one end, away from the bearing plate 25, of the fixing rod 26 is fixed with a piston plate 27, a fixing box 28 is sleeved on the outer side of the piston plate 27, the fixing box 28 is fixed on the inner bottom surface of the cutting machine body 1, and the side surface of the fixing box 28 is connected with the suction cup 30 through a first hose 29.

As shown in fig. 1 and fig. 4-5, a first gear 9 is sleeved at the middle position of the movable shaft 8, a first rack 10 is engaged and connected below the first gear 9, the first rack 10 is fixed between the 2 support plates 3, and the first gear 9 and the movable shaft 8 are connected by a one-way bearing, the cylinder 5 and the laser cutting head 6 can be driven to move horizontally by the driving of the second drive shaft 4, the cutting position is adjusted, the first gear 9 can be driven to move rightwards when the laser cutting head 6 moves rightwards, so that the fan blades 17 on the movable shaft 8 can be driven to rotate in one direction and generate suction force by the engagement transmission between the first gear 9 and the first rack 10, and at the same time, the second gear 11 rotates on the movable shaft 8 through the one-way bearing without affecting the rotation of the fan blades 17; one end of the movable shaft 8, which is far away from the fan blade 17, is sleeved with a second gear 11, a second rack 12 is meshed and connected above the second gear 11, the second rack 12 is fixed between the 2 supporting plates 3, meanwhile, the second gear 11 and the movable shaft 8 are connected through a one-way bearing, when the laser cutting head 6 moves leftwards, the fan blades 17 on the movable shaft 8 can be driven to continue to rotate towards the same direction through meshing transmission between the second gear 11 and the second rack 12, and at the moment, the first gear 9 rotates on the movable shaft 8 through the one-way bearing, so that the fan blades 17 can only rotate towards one direction in the horizontal movement process of the laser cutting head 6, and waste smoke generated in the cutting process of the laser cutting head 6 can be sucked into the gas conveying pipe 13 from the smoke suction head 14 and finally discharged through suction;

as shown in fig. 1 and 6-7, a movable loop bar 18 is sleeved on one end of a connecting shaft 16, which is far away from a connecting box 15, a gravity ball 19 is welded at the bottom of the movable loop bar 18, a protection box 7 is communicated with a smoke suction head 14 through a gas pipe 13, the connecting box 15 is communicated with the gas pipe 13 through a connecting pipe 20, and the gas pipe 13 and the connecting pipe 20 are both provided with one-way valves;

as shown in fig. 1-2, two ends of the movable cylinder 22 are slidably provided with guide rods 23, one end of each guide rod 23, which is far away from the movable cylinder 22, is connected with a movable rod 24, the guide rods 23 and the movable rods 24 are rotatably connected, and one end of each movable rod 24, which is far away from the guide rods 23, is hinged to a vertical surface of the bearing plate 25, after a metal plate to be cut is placed on the bearing plate 25, the motor 21 drives the movable cylinder 22 and the guide rods 23 to rotate, so as to drive two ends of each movable rod 24 to rotate with the guide rods 23 and the bearing plate 25, and when the inclination angle of the movable rods 24 is changed, the guide rods 23 can be pulled to slide in the movable cylinder 22, so that 2 bearing plates 25 can be driven to be far away from each other by the pushing of the movable rods 24, and the operable range of the laser cutting head 6 can be adjusted by increasing the distance between the bearing plates 25;

as shown in fig. 1-3, the bearing plate 25 is symmetrically distributed about the vertical axis of the cutting machine body 1, and the two are formed into a relative sliding structure, the fixing rod 26 and the fixing box 28 are connected in a sliding manner, and the edge of the piston plate 27 is closely attached to the inner wall of the fixing box 28 for sliding, when the bearing plate 25 moves, the piston plate 27 can be pushed by the fixing rod 26 to move synchronously, when the piston plate 27 moves towards the side away from the fixing rod 26, the air in the suction cup 30 can be sucked out through the first hose 29, so that the suction cup 30 can be stably adsorbed on the lower surface of the metal plate for positioning, and the suction force generated when the bearing plate 25 continues to move can suck the air from the corner of the fixing box 28, thus not only affecting the adsorption of the metal plate, but also not interfering with the movement of the piston plate 27; the space of one side of the piston plate 27, which is close to the fixed rod 26, is communicated with the suction cup 30 through the first hose 29, the suction cups 30 are movably arranged on the surface of the bearing plate 25 at equal intervals, the bearing plate 25 on the outer side of the suction cup 30 is provided with the movable groove 31, meanwhile, the suction cup 30 forms a sliding structure with the bearing plate 25 through the movable groove 31, the position where the metal plate is connected with the suction cup 30 is unchanged when the bearing plate 25 continuously moves, so that the suction cup 30 can be pulled to slide in the movable groove 31, the metal plate can be positioned at the edge when the bearing plate 25 moves to the limit, the laser cutting head 6 can conveniently cut in a larger range, air in the fixed box 28 can be pushed into the suction cup 30 when the bearing plates 25 are close to each other, the suction of the metal plate by the suction cup 30 is relieved, and the processed metal plate can be conveniently taken down;

as shown in fig. 1, 3 and 8, the space of the piston plate 27 on the side away from the fixing rod 26 is communicated with the material pushing block 33 through the second flexible pipe 32, the material pushing block 33 is fixed on the vertical surface of the loading plate 25, the material feeding hole 34 is reserved on the inclined surface of the material pushing block 33, and the bottom of the material pushing block 33 is in fit connection with the surface of the fixing plate 35; the fixing plate 35 penetrates through the inside of the bearing plate 25, two ends of the fixing plate 35 are fixedly connected with the inner wall of the cutting machine body 1, the connecting block 37 is fixed in the middle of the fixing plate 35, meanwhile, the fixing blocks 36 are arranged at equal intervals on the fixing plates 35 at two ends of the connecting block 37, the laser cutting head 6 can drop scraps generated in the machining process of the plates on the fixing plate 35, the scraps can be guided by the connecting block 37 to slide to two ends of the connecting block 37, the pushing block 33 can be driven to be attached to and slide on the fixing plate 35 through the mutual approaching of the 2 bearing plates 25, the scraps on the fixing plate 35 can be pushed to the center of the fixing plate 35 in a concentrated mode, meanwhile, the scattered scraps can be contacted with the fixing block 36 through the moving of the pushing block 33, vibration can be generated in the pushing process, the scraps adhered to the fixing plate 35 and the connecting block 37 can be reduced, the primary cleaning effect can be achieved, the piston plate 27 is driven by the fixing rod 26 to move towards the direction close to the movable cylinder 22, the other end of the fixing box 28 can generate suction force, the scraps on the inclined surface of the pushing block 33 can be sucked into the feeding hole 34, and then enter the fixing box 28 to be cleaned manually, and the subsequent hose can be reduced.

The working principle is as follows: as shown in fig. 1-8, through the guide of the movable cylinder 22, the guide rod 23 and the movable rod 24, it is possible to realize that 2 bearing plates 25 are away from each other, and keep the stability of the bearing plates by the suction cup 30 and the metal plate, so the bearing plates 25 can bear the plates of different specifications, and at the same time, the operable range of the laser cutting head 6 can be adjusted according to the cutting range, and then the cutting of different shapes can be performed through the left and right back-and-forth movement of the laser cutting head 6, and the suction force generated by the transmission of 2 fan blades 17 in the cutting process can be respectively used to suck out the smoke synchronously, and after the cutting of the metal plate is completed, the scraps generated by the cutting can be collected and discharged.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. A metal laser cutting machine with an accurate positioning structure is provided with a cutting machine body (1), a first driving shaft (2) is arranged at the upper edge of the cutting machine body (1), a supporting plate (3) is fixedly sleeved on the outer side of the first driving shaft (2), a second driving shaft (4) penetrates through the inner side of the supporting plate (3) in a movable mode, an air cylinder (5) is installed on the outer side of the second driving shaft (4) in a threaded mode, and a laser cutting head (6) is connected to the bottom of the air cylinder (5);

it is characterized by comprising:

the protection box (7) is fixed to the top of the air cylinder (5), a movable shaft (8) penetrates through an inner bearing of the protection box (7), one end, close to the protection box (7), of the movable shaft (8) is fixedly provided with a fan blade (17), the bottom of the protection box (7) is connected with a smoking head (14) through an air conveying pipe (13), and the smoking head (14) is installed on the side of the air cylinder (5);

the connecting box (15) is fixed on two sides of the protection box (7), a connecting shaft (16) penetrates through an inner bearing of the connecting box (15), another fan blade (17) is fixedly installed at one end, close to the connecting box (15), of the connecting shaft (16), and the bottom of the connecting box (15) is connected with the air conveying pipe (13) through a connecting pipe (20);

the cutting machine comprises a motor (21) which is arranged at the bottom of a cutting machine body (1) through a bolt, an output shaft of the motor (21) is connected with a movable cylinder (22), a bearing plate (25) is movably arranged inside the cutting machine body (1), and the bearing plate (25) is movably arranged on the inner side of the cutting machine body (1);

dead lever (26), fix the side of loading board (25), the one end that loading board (25) were kept away from in dead lever (26) is fixed with piston plate (27), and the outside cover of piston plate (27) is equipped with fixed box (28), fixed box (28) are fixed the interior bottom surface of cutting machine body (1), and the side of fixed box (28) is through first hose (29) and sucking disc (30) interconnect.

2. The metal laser cutting machine with the accurate positioning structure according to claim 1, characterized in that: the middle position cover of loose axle (8) is equipped with first gear (9), and the below meshing of first gear (9) is connected with first rack (10) to first rack (10) are fixed between 2 backup pads (3), and first gear (9) and loose axle (8) are connected for one-way bearing simultaneously.

3. The metal laser cutting machine with the precise positioning structure according to claim 1, wherein: one end cover that flabellum (17) were kept away from in loose axle (8) is equipped with second gear (11), and the top meshing of second gear (11) is connected with second rack (12) to second rack (12) are fixed between 2 backup pads (3), and second gear (11) and loose axle (8) are the one-way bearing connection simultaneously.

4. The metal laser cutting machine with the accurate positioning structure according to claim 1, characterized in that: one pot head that connecting box (15) was kept away from in connecting axle (16) is equipped with movable loop bar (18), and the bottom welding of movable loop bar (18) has gravity ball (19), protection box (7) communicate each other through gas-supply pipe (13) and smoking head (14), and connecting box (15) are linked together through connecting pipe (20) and gas-supply pipe (13) to all be provided with the check valve on gas-supply pipe (13) and connecting pipe (20).

5. The metal laser cutting machine with the precise positioning structure according to claim 1, wherein: the both ends of a movable cylinder (22) slide and are provided with guide rods (23), and the one end that a movable cylinder (22) was kept away from in guide rods (23) is connected with movable rod (24), and guide rods (23) and movable rod (24) are for rotating the connection, and the one end that guide rods (23) were kept away from in movable rod (24) simultaneously and the vertical face of loading board (25) are for articulated.

6. The metal laser cutting machine with the precise positioning structure according to claim 1, wherein: bearing plate (25) are about the vertical axis symmetric distribution of cutting machine body (1), and both constitute relative sliding structure, dead lever (26) and fixed box (28) are sliding connection, and the edge of piston plate (27) closely laminates the slip with the inner wall of fixed box (28).

7. The metal laser cutting machine with the precise positioning structure according to claim 1, wherein: the space of the piston plate (27) close to one side of the fixing rod (26) is communicated with the suckers (30) through first hoses (29), the suckers (30) are arranged on the surface of the bearing plate (25) in an equidistant mode, movable grooves (31) are formed in the bearing plate (25) on the outer side of the suckers (30), and meanwhile the suckers (30) form a sliding structure through the movable grooves (31) and the bearing plate (25).

8. The metal laser cutting machine with the precise positioning structure according to claim 1, wherein: the space of one side, far away from the fixing rod (26), of the piston plate (27) is communicated with a material pushing block (33) through a second hose (32), the material pushing block (33) is fixed on the vertical surface of the bearing plate (25), a material feeding hole (34) is reserved on the inclined surface of the material pushing block (33), and meanwhile the bottom of the material pushing block (33) is attached to the surface of the fixing plate (35).

9. The metal laser cutting machine with the precise positioning structure according to claim 8, wherein: the fixing plate (35) penetrates through the inside of the bearing plate (25), two ends of the fixing plate (35) are fixedly connected with the inner wall of the cutting machine body (1), a connecting block (37) is fixed at the middle position of the fixing plate (35), and fixing blocks (36) are arranged on the fixing plates (35) at two ends of the connecting block (37) at equal intervals.