CN116586793A

CN116586793A - High-efficient laser cutting machine

Info

Publication number: CN116586793A
Application number: CN202310705104.1A
Authority: CN
Inventors: 陈义红; 陈义兵; 易光纯; 金鑫
Original assignee: Wuhan Honglei Laser Co ltd
Current assignee: Wuhan Honglei Laser Co ltd
Priority date: 2023-06-14
Filing date: 2023-06-14
Publication date: 2023-08-15

Abstract

The invention relates to a high-efficiency laser cutting machine, which comprises a machine body, wherein a bottom plate is fixedly arranged on the lower surface of the machine body, a placement screen plate is fixedly arranged at the center of the upper surface of the machine body, the placement screen plate is arranged in an array grid, a mobile cutting mechanism for mobile cutting is fixedly arranged at the upper end of the machine body, the condition that laser cutting head slightly deviates is limited, the surface quality of a right-angle bent pipe after cutting is further improved, the right-angle bent pipe is fixed on the placement screen plate by three-point limiting, the cutting accuracy of the right-angle bent pipe after cutting is improved, the cutting efficiency of the laser cutting machine is improved, the other end of the right-angle bent pipe is pressed by a veneer in the cutting process, the condition that the vibration of the right-angle bent pipe slightly deviates from the original position in the cutting process is avoided, and the condition that the cut surface of the right-angle bent pipe after cutting is inclined and cannot be used is reduced.

Description

High-efficient laser cutting machine

Technical Field

The invention relates to the technical field of laser cutting, in particular to a high-efficiency laser cutting machine.

Background

The laser cutting machine is a machine which melts and vaporizes the surface of a material to be cut by generating a high-temperature region by a laser beam, blows slag and gas of the material to be cut by using high-pressure gas, and performs precise cutting by using the laser beam.

In the process of cutting the bent pipe, the existing laser cutting machine needs to determine a cutting line and a cutting point according to the shape of the cut bent pipe, then the bent pipe to be cut is fixed on a workbench, then appropriate laser cutting parameters are selected according to requirements, the laser cutting machine can be started, the cutting is carried out along the designed cutting line through continuous focusing and moving, the cutting of the whole bent pipe is gradually completed, then the cutting accuracy and the surface quality can be checked, and although the existing laser cutting machine can quickly cut the bent pipe, the following defects still exist:

1. in the process of cutting the right-angle bent pipe, when the laser cutting machine cuts the horizontal plane and then moves to the vertical plane for cutting, the current laser cutting machine cannot clamp the laser cutting head, and the laser cutting head can slightly deviate to influence the surface quality of the right-angle bent pipe.

2. At present, when the right-angle elbow is fixed before being cut by the laser cutting machine, the middle section of the right-angle elbow is clamped on the workbench from top to bottom, the horizontal position of the right-angle elbow cannot be completely limited, the accuracy of the laser cutting head after cutting can be influenced, and the cutting efficiency of the laser cutting machine is seriously influenced.

3. When the laser cutting head cuts the right-angle bent pipe, the right-angle bent pipe can slightly vibrate, so that the right-angle bent pipe slightly deviates from the original position, if the laser cutting head is used for cutting at the moment, the cutting surface can be inclined, and the situation that the cut right-angle bent pipe cannot be used can occur.

Therefore, in order to ensure that the laser cutting machine can cut the right-angle bent pipe efficiently and has higher accuracy and surface quality, the invention provides the efficient laser cutting machine.

Disclosure of Invention

In order to solve the technical problems, the invention provides a high-efficiency laser cutting machine, which is realized by the following specific technical means:

the utility model provides a high-efficient laser cutting machine, includes the fuselage, the lower surface fixed mounting of fuselage has the bottom plate, the upper surface fixed mounting of fuselage has and places the otter board, and places the otter board and set up for rectangular array net, the upper end fixed mounting of fuselage has the removal cutting mechanism of removal cutting.

The movable cutting mechanism comprises longitudinal moving parts which are symmetrically and fixedly arranged at the upper end of the machine body, transverse moving parts are fixedly arranged at the upper ends of the longitudinal moving parts, and clamping parts for preventing vibration and deflection are symmetrically arranged on the transverse moving parts.

The upper surface of the placing screen plate is provided with a positioning mechanism for positioning and fixing the bent pipe at three points.

The positioning mechanism comprises an inclined strut part which is inserted into the grid of the placing screen plate, and the placing screen plate is provided with a middle point part which is matched with the inclined strut part to fix the bent pipe.

The upper surface of the placing screen board is inserted with a deviation rectifying mechanism for preventing the vibration deviation of the placing screen board at two ends of the bent pipe.

The correcting mechanism comprises a moving and fixing part which is inserted on the placing screen, and the upper surface of the moving and fixing part is provided with a pasting part which is pasted with the end face of the bent pipe.

As a preferable technical scheme of the invention, the longitudinal moving part comprises a longitudinal guide rail, a first motor, a longitudinal moving sliding block and a first air cylinder, wherein the upper ends of the left side and the right side of the machine body are fixedly provided with the longitudinal guide rail, the front ends of the longitudinal guide rail are fixedly provided with the first motor, the output end of the first motor is fixedly sleeved with a first screw rod, the first screw rod is rotatably arranged in the longitudinal guide rail, one side walls of the longitudinal guide rail, which are far away from each other, are connected with the longitudinal moving sliding block in a sliding manner through an opened slideway, the longitudinal moving sliding block is in threaded connection with the first screw rod through a set thread sleeve, and the upper end faces of the left side and the right side of the longitudinal moving sliding block are fixedly provided with the first air cylinder.

As a preferable technical scheme of the invention, the transverse moving part comprises a transverse guide rail, a second motor, a transverse moving sliding block, a laser cutting head and a telescopic cable, wherein the transverse guide rail is fixedly installed at the telescopic end of the first cylinder on the left and right, the second motor is fixedly installed at the right end of the transverse guide rail, a second screw rod is fixedly sleeved at the output end of the second motor, the second screw rod is rotatably installed in the transverse guide rail, the lower end of the transverse guide rail is matched with the second screw rod through a threaded sleeve in a sliding manner, the transverse moving sliding block is fixedly installed at the outer side of the transverse moving sliding block, the transverse guide rail penetrates through the laser cutting head, a limiting sliding rail is arranged between the transverse guide rail and the laser cutting head, and the laser cutting head is connected with the machine body through the telescopic cable.

As a preferable technical scheme of the invention, the clamping part comprises a third motor, a pressing plate and a limiting wire groove, wherein the third motor is symmetrically arranged at the left side and the right side of the laser cutting head, the output end of the third motor is fixedly sleeved with a threaded cylinder, the threaded cylinder is internally and spirally connected with a third screw, the other end of the third screw is fixedly provided with the pressing plate, the front side wall of the transverse guide rail is fixedly provided with the limiting wire groove, the pressing plate is positioned in the limiting wire groove, the rear end of the pressing plate slides in the limiting wire groove, and one side wall of the pressing plate, which is mutually close to the limiting wire groove, is roughly provided.

As a preferable technical scheme of the invention, the inclined strut part comprises a cross plugboard, fixing bolts, inclined strut and a pipe supporting gasket, wherein the grid for placing the net board is clamped with the cross plugboard, the cross plugboard is higher than the grid for placing the net board, the lower end of the cross plugboard is connected with the fixing bolts in a threaded manner, the upper surfaces of the cross plugboards are rotationally connected with the inclined strut through symmetrically arranged rotating shafts, the front ends of the inclined strut are rotationally connected with the pipe supporting gasket, a rubber pad is arranged on one side wall of the pipe supporting gasket, far away from the inclined strut, and one end of the inclined strut, far away from the pipe supporting gasket, is provided with an intermeshed incomplete gear.

As a preferable technical scheme of the invention, the middle point part comprises an inserting disc, a second cylinder, a front cushion block and a right-angle bent pipe, the right-angle bent pipe is attached to the inclined strut through a pipe supporting cushion piece at the front end, the right-angle bent pipe is placed on a placing screen, the inserting disc is inserted on the placing screen, the second cylinder is fixedly arranged on the upper surface of the inserting disc, the front cushion block is fixedly arranged at the telescopic end of the second cylinder, and a rubber pad is arranged on one side wall of the front cushion block, which is close to the right-angle bent pipe.

As a preferable technical scheme of the invention, the moving and fixing part comprises a positioning block plate, clamping blocks and gasket bolts, wherein the positioning block plate is arranged on the left side and the right side of one end face of the right-angle bent pipe, the positioning block plate is arranged on the front side and the rear side of the other end face of the right-angle bent pipe, the clamping blocks are symmetrically and slidingly connected in the positioning block plate through the arranged slide ways, the positioning block plate is inserted in a grid for placing the net plate through the clamping blocks, and the gasket bolts penetrate through the positioning block plate at the upper end of the clamping blocks.

As a preferable technical scheme of the invention, the veneering part comprises a half-arc bracket, spring screws, thread limiting sleeves and veneers, wherein the half-arc bracket is fixedly arranged on the left side and the right side of the positioning block plate, the plurality of spring screws are slidingly connected with the half-arc bracket in a circumferential array mode, the thread limiting sleeves are rotatably arranged at the upper ends of the half-arc bracket and the positions corresponding to the spring screws, the thread limiting sleeves are in threaded connection with the spring screws, the veneers are rotatably arranged at the lower ends of the spring screws, and the veneers are L-shaped.

Compared with the prior art, the invention has the following beneficial effects:

1. this high-efficient laser cutting machine through setting up the use that removes cutting mechanism, moves to the perpendicular when cutting again after laser cutting machine cuts the horizontal plane, utilizes screens portion to block laser cutting head to restrict its condition that takes place slight skew, further improves the surface quality of right angle return bend after the cutting.

2. This high-efficient laser cutting machine uses through setting up the mutually supporting of positioning mechanism and removal cutting mechanism, carries out the three-point spacing around carrying out the right angle return bend of horizontal placement on placing the otter board to this fixes it on placing the otter board, thereby when increasing the accuracy behind the laser cutting head cutting, improves laser cutting machine's cutting efficiency.

3. This high-efficient laser cutting machine uses through the mutually supporting of rectifying mechanism and the removal cutting mechanism that sets up, is cutting the in-process to the one end of right angle return bend, carries out to its other end through the veneer and supports to press, avoids the circumstances emergence of the slight vibrations slight deviation home position of in-process right angle return bend of cutting to reduce the circumstances emergence that the right angle return bend cutting surface slope after the cutting can't be used.

Drawings

Fig. 1 is a schematic perspective view of a fuselage of the present invention.

Fig. 2 is a schematic view of the internal perspective structure of the fuselage of the present invention.

Fig. 3 is a schematic perspective view of the mobile cutting mechanism of the present invention.

Fig. 4 is a schematic perspective view of a traverse part and a clamping part according to the present invention.

Fig. 5 is a schematic perspective view of a positioning mechanism according to the present invention.

Fig. 6 is a schematic perspective view of the diagonal bracing portion of the present invention.

Fig. 7 is a schematic view of a portion of a bottom view of the positioning mechanism of the present invention.

Fig. 8 is an enlarged schematic view of the structure at a in fig. 6.

Fig. 9 is an enlarged schematic view of the structure at B in fig. 7.

In the figure: 1. a body; 2. a bottom plate; 3. placing a screen plate; 4. moving the cutting mechanism; 41. a longitudinal moving part; 411. a longitudinal guide rail; 412. a first motor; 413. longitudinally moving the sliding block; 414. a first cylinder; 42. a traversing part; 421. a transverse guide rail; 422. a second motor; 423. a traversing slide block; 424. a laser cutting head; 425. a retractable cable; 43. a clamping part; 431. a third motor; 432. a pressing plate; 433. limiting wire grooves; 5. a positioning mechanism; 51. a diagonal bracing portion; 511. a cross plug board; 512. a fixing bolt; 513. a diagonal brace; 514. a pipe supporting gasket; 52. a midpoint portion; 521. inserting a disc; 522. a second cylinder; 523. a front cushion block; 524. a right-angle elbow; 6. a deviation correcting mechanism; 61. a moving and fixing part; 611. positioning block plates; 612. a clamping block; 613. a spacer bolt; 62. a face part; 621. a half-arc bracket; 622. a spring screw; 623. a thread limit sleeve; 624. a veneer.

Detailed Description

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

Referring to fig. 1 and 2, a high-efficiency laser cutting machine includes a machine body 1, a bottom plate 2 is fixedly mounted on the lower surface of the machine body 1, a placement screen 3 is fixedly mounted on the upper surface of the machine body 1, the placement screen 3 is arranged in a rectangular array grid, and a mobile cutting mechanism 4 for mobile cutting is fixedly mounted on the upper end of the machine body 1.

Referring to fig. 3 and 4, the movable cutting mechanism 4 includes a longitudinally moving portion 41 symmetrically and fixedly mounted on an upper end of the machine body 1, a laterally moving portion 42 is fixedly mounted on upper ends of the laterally and longitudinally moving portion 41, and locking portions 43 for preventing vibration and deflection are symmetrically disposed on the laterally moving portion 42.

Referring to fig. 5, 6 and 7, a positioning mechanism 5 for positioning and fixing the bent pipe at three points is disposed on the upper surface of the placement screen 3.

The positioning mechanism 5 comprises a diagonal bracing part 51 inserted into the grid of the placement screen 3, and the placement screen 3 is provided with a middle point part 52 which is matched with the diagonal bracing part 51 to fix the bent pipe.

Referring to fig. 8, a deviation rectifying mechanism 6 for preventing vibration deviation is inserted on the upper surface of the placement screen 3 at two ends of the bent pipe.

The deviation correcting mechanism 6 comprises a moving and fixing part 61 inserted on the placing screen 3, and a veneering part 62 jointed with the end face of the bent pipe is arranged on the upper surface of the moving and fixing part 61.

Referring to fig. 3, the longitudinal moving portion 41 includes a longitudinal guide 411, a first motor 412, a longitudinal moving slider 413 and a first cylinder 414, the upper ends of the left and right sides of the machine body 1 are fixedly provided with the longitudinal guide 411, the front ends of the longitudinal guide 411 are fixedly provided with the first motor 412, the output end of the first motor 412 is fixedly sleeved with a first screw rod, the first screw rod is rotatably installed in the longitudinal guide 411, a side wall of the longitudinal guide 411, which is far away from each other, is slidably connected with the longitudinal moving slider 413 through an opened slideway, the longitudinal moving slider 413 is in threaded connection with the first screw rod through a set threaded sleeve, and the upper end faces of the left and right longitudinal moving sliders 413 are fixedly provided with the first cylinder 414.

Referring to fig. 4, the traversing portion 42 includes a transverse guide rail 421, a second motor 422, a traversing slider 423, a laser cutting head 424 and a telescopic cable 425, the telescopic ends of the left and right first cylinders 414 are fixedly provided with the transverse guide rail 421, the right end of the transverse guide rail 421 is fixedly provided with the second motor 422, the output end of the second motor 422 is fixedly sleeved with a second screw rod, the second screw rod is rotatably installed in the transverse guide rail 421, the lower end of the transverse guide rail 421 is matched with the second screw rod through a threaded sleeve and is slidably connected with the traversing slider 423, the outside of the traversing slider 423 is fixedly provided with the laser cutting head 424, the transverse guide rail 421 penetrates through the laser cutting head 424, a limiting slide rail is arranged between the transverse guide rail 421 and the laser cutting head 424, and the laser cutting head 424 is connected with the machine body 1 through the telescopic cable 425.

In particular, when the fixing is completed, the output parameters of the laser cutting head 424 are adjusted, data is transmitted to the laser cutting head 424 through the telescopic cable 425 by the machine body 1, then the first motor 412 is started, the first screw rod is rotated to drive the longitudinal sliding blocks 413 on two sides to start to translate back and forth on the longitudinal guide rails 411 on two sides, then the first cylinder 414 is started, the height of the transverse guide rails 421 is adjusted, the height of the laser cutting head 424 when the laser cutting head 424 cuts the right-angle elbow 524 is adjusted, and the first motor 412 is stopped when the laser cutting head 424 is translated to an end face corresponding to the front end of the right-angle elbow 524.

Then, the second motor 422 is started to slide left and right along the transverse guide rail 421 by the second screw rod with the transverse sliding block 423, and simultaneously cuts the front end surface of the right-angle elbow 524, and after the front end surface of the right-angle elbow 524 is cut, the second motor 422 is stopped after the front end surface of the right-angle elbow 524 is moved to a horizontal plane which is required to be cut with the rear end surface of the right-angle elbow 524.

Referring to fig. 4, the clamping portion 43 includes a third motor 431, a pressing plate 432 and a limiting slot 433, the third motor 431 is symmetrically installed on the left and right sides of the laser cutting head 424, the output end of the third motor 431 is fixedly sleeved with a threaded cylinder, the threaded cylinder is internally threaded with a third screw, the other end of the third screw is fixedly provided with the pressing plate 432, the front side wall of the transverse guide 421 is fixedly provided with the limiting slot 433, the pressing plate 432 is located in the limiting slot 433, the rear end of the pressing plate 432 slides in the limiting slot 433, and a side wall, close to each other, of the pressing plate 432 and the limiting slot 433 is rough.

When the device specifically works, the third motor 431 is started, and the pressing plate 432 moves in the limiting wire groove 433 through the third screw rod, so that the pressing plate 432 is pressed in the limiting wire groove 433, and then the laser cutting head 424 is pressed on the transverse guide rail 421, so that the fixity of the laser cutting head 424 is improved, the situation that the laser cutting head 424 is slightly offset is limited, and the surface quality of the right-angle bent pipe 524 after cutting is further improved.

The cut surface is fixed by the deviation correcting mechanism 6, and then the first motor 412 is started to carry the laser cutting head 424 to vertically cut the right-angle elbow 524, so as to complete laser cutting.

Referring to fig. 5, 6 and 7, the diagonal bracing portion 51 includes a cross plug board 511, a fixing bolt 512, diagonal bracing 513 and a pipe supporting spacer 514, the grid of the placement screen 3 is clamped with the cross plug board 511, the cross plug board 511 is higher than the grid of the placement screen 3, the lower end of the cross plug board 511 is in threaded connection with the fixing bolt 512, the upper surface of the cross plug board 511 is rotationally connected with the diagonal bracing 513 through symmetrically arranged rotating shafts, the front ends of the diagonal bracing 513 are rotationally connected with the pipe supporting spacer 514, a rubber pad is arranged on a side wall of the pipe supporting spacer 514 far away from the diagonal bracing 513, and an end of the diagonal bracing 513 far away from the pipe supporting spacer 514 is provided with an intermeshing incomplete gear.

Referring to fig. 5, 6 and 7, the middle point 52 includes a tray 521, a second cylinder 522, a front cushion block 523 and a right-angle elbow 524, the symmetrical diagonal brace 513 is attached to the right-angle elbow 524 through a pipe supporting spacer 514 at the front end, the right-angle elbow 524 is placed on the placement screen 3, the tray 521 is inserted on the placement screen 3, the second cylinder 522 is fixedly mounted on the upper surface of the tray 521, the front cushion block 523 is fixedly mounted at the telescopic end of the second cylinder 522, and a rubber pad is disposed on a side wall of the front cushion block 523 close to the right-angle elbow 524.

When the laser cutting head 424 is needed to cut two end faces of the right-angle elbow 524, the right-angle elbow 524 is placed on the placement screen 3, the inclined stay bars 513 on one side are swung outwards according to the length of the right-angle elbow 524, at the moment, the inclined stay bars 513 on the other side can synchronously rotate by the same angle under the action of the gear, and the rotation is stopped when the included angle between the two inclined stay bars 513 reaches a certain degree.

At this time, the outer side surface of the right-angle elbow 524 is attached to the inner wall of the pipe supporting spacer 514, at this time, the pipe supporting spacer 514 automatically adjusts the angle between the pipe supporting spacer 514 and the diagonal brace 513 along the angle of the right-angle elbow 524, then the second cylinder 522 can be started, the telescopic end of the second cylinder 522 stretches out along the central line of the included angle between the two diagonal braces 513 with the front spacer 523, and finally the front spacer 523 abuts against the inner side of the right-angle elbow 524 to close the second cylinder 522, at this time, the cross-shaped plugboard 511 and the fixing bolt 512 firmly fix the two diagonal braces 513 on the placement screen 3, the plugboard 521 fixes the second cylinder 522 on the placement screen 3, and the front spacer 523 and the rubber pad supporting the pipe spacer 514 can prevent the right-angle elbow 524 from sliding.

At this time, the right-angle elbow 524 is fixed on the surface of the placement screen 3 by the acting force of the outer pipe supporting spacer 514 from the outer two directions and the opposite direction of the inner center point front spacer 523, so that the accuracy of the laser cutting head 424 after cutting is increased and the cutting efficiency of the laser cutting machine is improved.

Referring to fig. 8, the moving and fixing portion 61 includes a positioning block plate 611, a clamping block 612 and a spacer bolt 613, the positioning block plate 611 is disposed on the left and right sides of one end face of the right-angle elbow 524, the positioning block plate 611 is disposed on the front and rear sides of the other end face, the clamping block 612 is symmetrically and slidably connected to the inside of the positioning block plate 611 through an opened slideway, the positioning block plate 611 is inserted into the grid of the placement net plate 3 through the clamping block 612, and the spacer bolt 613 is threaded through the positioning block plate 611 at the upper end of the clamping block 612.

Referring to fig. 8, the veneering portion 62 includes a half arc bracket 621, a spring screw 622, a threaded stop collar 623 and a veneer 624, the half arc bracket 621 is fixedly mounted on the left and right side positioning block plates 611 together, the half arc bracket 621 is slidably connected with a plurality of spring screws 622 in a circumferential array manner, the threaded stop collar 623 is rotatably mounted at the upper end of the half arc bracket 621 and at the position corresponding to the spring screws 622, the threaded stop collar 623 is in threaded connection with the spring screws 622, the veneer 624 is rotatably mounted at the lower end of the spring screws 622, and the veneer 624 is in an L-shaped configuration.

In specific work, the positioning block plate 611 is placed on two sides of the end face cut after the right-angle elbow 524, then the clamping blocks 612 slide on the positioning block plate 611 and are clamped in the grid of the placing net plate 3, after the distance between the clamping blocks 612 on two sides is adjusted to fix the positioning block plate 611, the gasket bolts 613 are rotated, so that the clamping blocks 612 are tightly pressed in the positioning block plate 611 in the continuously shortened process, and the position of the half-arc bracket 621 is fixed.

Then the spring screw 622 is pushed downwards, the L long end of the veneer 624 below the spring screw 622 is attached to the right-angle elbow 524 and then is cut into an end face, the threaded limiting sleeve 623 at the upper end can be rotated to fix the position of the spring screw 622, then the rest spring screws 622 are fixed by the same method, the end face cut after the right-angle elbow 524 is fixed, one end of the spring screw 622 is pressed against the end face, the condition that the right-angle elbow 524 slightly vibrates and deviates from the original position in the cutting process is avoided, and the condition that the cut face of the right-angle elbow 524 is inclined and cannot be used is reduced.

Working principle: when the laser cutting head 424 is required to cut two end faces of the right-angle elbow 524, the right-angle elbow 524 is placed on the placement screen 3, and the right-angle elbow 524 is fixed on the placement screen 3 by utilizing the interaction of the diagonal bracing portion 51 and the middle point portion 52 and the acting force of the outer pipe supporting cushion piece 514 in the opposite directions of the outer side two directions and the inner side center point front cushion block 523.

Then, the positioning block plate 611 is placed on two sides of the end face cut after the right-angle elbow 524, the position of the half-arc bracket 621 is fixed by the moving and fixing part 61, then the spring screw 622 is pushed downwards, the L long end of the veneer 624 below the spring screw 622 is attached to the end face cut after the right-angle elbow 524, the screw limiting sleeve 623 is rotated to fix the position of the spring screw 622, and then the rest spring screws 622 are fixed in the similar way, so that the end face cut after the right-angle elbow 524 is fixed.

After the fixing is completed, the output parameters of the laser cutting head 424 are adjusted, data are transmitted to the laser cutting head 424 through the telescopic cable 425 by the machine body 1, then the first motor 412 can be started, the longitudinal moving part 41 is utilized to carry the transverse guide rail 421 to start to translate back and forth, then the first cylinder 414 is started to adjust the height of the laser cutting head 424 when the laser cutting head 424 cuts the right-angle elbow 524, and the first motor 412 can be stopped when the laser cutting head 424 is translated to an end face corresponding to the front end of the right-angle elbow 524.

The second motor 422 is then started to slide left and right along the transverse guide rail 421 by the screw rod with the transverse sliding block 423, and simultaneously cuts the front end surface of the right-angle elbow 524, and after the cutting, the second motor 422 is stopped after the cutting is moved to a horizontal plane which is required to be cut with the rear end surface of the right-angle elbow 524.

The third motor 431 is started, and the pressing plate 432 is driven to move forward through the threaded sleeve, so that the pressing plate 432 is pressed into the limiting wire groove 433, then the laser cutting head 424 is pressed against the transverse guide rail 421, then the cut surface can be fixed by the deviation correcting mechanism 6, and then the first motor 412 is started to drive the laser cutting head 424 to vertically cut the right-angle bent pipe 524, so that laser cutting is completed.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high-efficient laser cutting machine, includes fuselage (1), its characterized in that: the lower surface of the machine body (1) is fixedly provided with a bottom plate (2), the center of the upper surface of the machine body (1) is fixedly provided with a placement screen plate (3), the placement screen plate (3) is arranged in a rectangular array grid, and the upper end of the machine body (1) is fixedly provided with a mobile cutting mechanism (4) for mobile cutting;

the movable cutting mechanism (4) comprises a longitudinal moving part (41) which is symmetrically and fixedly arranged at the upper end of the machine body (1), a transverse moving part (42) is fixedly arranged at the upper ends of the longitudinal moving part (41) at the left and right sides, and clamping parts (43) for preventing vibration and deflection are symmetrically arranged on the transverse moving part (42);

the upper surface of the placement screen plate (3) is provided with a positioning mechanism (5) for positioning and fixing the bent pipe at three points;

the positioning mechanism (5) comprises an inclined support part (51) inserted into the grid of the placement screen plate (3), and the placement screen plate (3) is provided with a middle point part (52) which is matched with the inclined support part (51) to fix the bent pipe;

the upper surface of the placing screen plate (3) is inserted with a deviation rectifying mechanism (6) for preventing the vibration deviation of the upper surface of the bending pipe at two ends of the bending pipe;

the correcting mechanism (6) comprises a moving and fixing part (61) inserted on the placing screen plate (3), and a pasting part (62) pasting the end face of the bent pipe is arranged on the upper surface of the moving and fixing part (61).

2. The efficient laser cutting machine as claimed in claim 1, wherein: longitudinal movement portion (41) are including longitudinal guide (411), first motor (412), longitudinal movement slider (413) and first cylinder (414), the equal fixed mounting of left and right sides upper end of fuselage (1) has longitudinal guide (411), the equal fixed mounting of front end of longitudinal guide (411) has first motor (412), the fixed cover of output of first motor (412) is equipped with first screw rod, and first screw rod rotates the inside of installing at longitudinal guide (411), a lateral wall that longitudinal guide (411) kept away from each other has longitudinal movement slider (413) through the slide sliding connection who sets up, and longitudinal movement slider (413) is through the thread bush and first screw rod threaded connection of setting, control longitudinal movement slider (413) up end equal fixed mounting has first cylinder (414).

3. The efficient laser cutting machine according to claim 2, wherein: the utility model provides a laser cutting machine, including sideslip portion (42), including transverse guide (421), second motor (422), sideslip slider (423), laser cutting head (424) and flexible cable (425), control the common fixed mounting of output of first cylinder (414) has transverse guide (421), the right-hand member fixed mounting of transverse guide (421) has second motor (422), the fixed cover of output of second motor (422) is equipped with the second screw rod, and the inside at transverse guide (421) is installed in the rotation of second screw rod, the lower extreme of transverse guide (421) is cooperateed sliding connection with sideslip slider (423) through setting up the thread bush with the second screw rod, outside fixed mounting of sideslip slider (423) has laser cutting head (424), transverse guide (421) run through laser cutting head (424), and be provided with spacing slide rail between transverse guide (421) and the laser cutting head (424), laser cutting head (424) are connected through flexible cable (425) with fuselage (1).

4. A high efficiency laser cutting machine according to claim 3 wherein: the clamping part (43) comprises a third motor (431), a pressing plate (432) and a limiting wire groove (433), wherein the third motor (431) is symmetrically arranged at the left side and the right side of the laser cutting head (424), a threaded cylinder is fixedly sleeved at the output end of the third motor (431), a third screw rod is connected with the threaded cylinder in a threaded manner, the pressing plate (432) is fixedly arranged at the other end of the third screw rod, the limiting wire groove (433) is fixedly arranged on the front side wall of the transverse guide rail (421), the pressing plate (432) is positioned in the limiting wire groove (433), the rear end of the pressing plate (432) slides in the limiting wire groove (433), and one side wall, close to the limiting wire groove (433), of the pressing plate (432) is in rough arrangement.

5. The efficient laser cutting machine as claimed in claim 1, wherein: the inclined strut portion (51) comprises a cross plugboard (511), fixing bolts (512), inclined strut rods (513) and a pipe supporting cushion piece (514), the grid of the placing screen plate (3) is clamped with the cross plugboard (511), the cross plugboard (511) is higher than the grid of the placing screen plate (3), the lower end of the cross plugboard (511) is connected with the fixing bolts (512) in a threaded mode, the upper surface of the cross plugboard (511) is rotationally connected with the inclined strut rods (513) through symmetrically arranged rotating shafts, the front ends of the inclined strut rods (513) are rotationally connected with the pipe supporting cushion piece (514), one side wall of the pipe supporting cushion piece (514) away from the inclined strut rods (513) is provided with a rubber pad, and one end of the inclined strut rods (513) away from the pipe supporting cushion piece (514) is provided with an incomplete gear meshed with each other.

6. The efficient laser cutting machine as defined in claim 5, wherein: midpoint part (52) are including inserting dish (521), second cylinder (522), preceding cushion (523) and right angle return bend (524), symmetry support pipe gasket (514) laminating through the front end to inclined stay (513) have right angle return bend (524), and right angle return bend (524) are placed on placing otter board (3), it has inserts dish (521) to place to peg graft on otter board (3), the upper surface fixed mounting of inserting dish (521) has second cylinder (522), the output fixed of second cylinder (522) has preceding cushion (523), and a side wall that preceding cushion (523) is close to right angle return bend (524) is provided with the rubber pad.

7. The efficient laser cutting machine as defined in claim 6, wherein: the movable fixing part (61) comprises a locating block plate (611), clamping blocks (612) and gasket bolts (613), the left side and the right side of one end face of the right-angle elbow pipe (524) are respectively provided with the locating block plate (611), the front side and the rear side of the other end face are respectively provided with the locating block plate (611), the inside of the locating block plate (611) is respectively connected with the clamping blocks (612) in a symmetrical sliding manner through a set slideway, the locating block plates (611) are inserted into grids of the placing net plate (3) through the clamping blocks (612), and the upper ends of the clamping blocks (612) penetrate through the locating block plates (611) to be connected with the gasket bolts (613) in a threaded manner.

8. The efficient laser cutting machine as defined in claim 7, wherein: the veneer part (62) comprises a half-arc support (621), a spring screw (622), a thread limiting sleeve (623) and a veneer (624), wherein the left side and the right side of the half-arc support (621) are fixedly installed together by the positioning block plate (611), the thread limiting sleeve (623) is installed at the upper end of the half-arc support (621) and at the corresponding position of the spring screw (622) in a rotating mode, the thread limiting sleeve (623) is in threaded connection with the spring screw (622), the thread limiting sleeve (623) is in threaded connection with the upper end of the spring screw (622), the veneer (624) is installed at the lower end of the spring screw (622) in a rotating mode, and the veneer (624) is in an L-shaped arrangement.