A high-efficiency laser cutting machine

Abstract

The present invention relates to an efficient laser cutting machine, comprising a fuselage, wherein a bottom plate is fixedly mounted on the lower surface of the fuselage, a placement screen is fixedly mounted at the center of the upper surface of the fuselage, and the placement screen is arranged in an array grid, and a mobile cutting mechanism for mobile cutting is fixedly mounted on the upper end of the fuselage, so as to limit the laser cutting head from slightly deviating, and further improve the surface quality of the right-angle bent pipe after cutting, and the right-angle bent pipe is fixed on the placement screen by performing three-point limiting on the right-angle bent pipe, so as to increase the accuracy of the laser cutting head and improve the cutting efficiency of the laser cutting machine, and in the process of cutting one end of the right-angle bent pipe, the other end is pressed by a veneer panel, so as to avoid the right-angle bent pipe from slightly vibrating and deviating from the original position during the cutting process, thereby reducing the situation that the cutting surface of the right-angle bent pipe after cutting is tilted and cannot be used.

Description

Technical Field

[0001] The invention relates to the technical field of laser cutting, in particular to a high-efficiency laser cutting machine. Background Art

[0002] Laser cutting machine is a kind of machine that uses laser beam to generate high heat area to melt and vaporize the surface of the material being cut, and uses high-pressure gas to blow away the slag and gas of the material being cut, and uses laser beam to perform precise cutting.

[0003] In the process of cutting curved pipes, the existing laser cutting machine needs to first determine the cutting line and cutting point according to the shape of the curved pipe to be cut, then fix the curved pipe to be cut on the workbench, and then select the appropriate laser cutting parameters according to the requirements, and then start the laser cutting machine. Through continuous focusing and movement, cutting is carried out along the designed cutting line, and the cutting of the entire curved pipe is gradually completed. Then the cutting accuracy and surface quality can be checked. Although the current laser cutting machine can cut curved pipes quickly, it still has the following disadvantages:

[0004] 1. In the process of cutting right-angle elbows, when the laser cutting machine cuts the horizontal surface and then moves to the vertical surface for cutting, the current laser cutting machine cannot jam the laser cutting head, and the laser cutting head will slightly deviate, thus affecting the surface quality of the right-angle elbow.

[0005] 2. At present, when fixing the right-angle elbow before cutting by the laser cutting machine, the middle section is usually clamped on the workbench from top to bottom. The horizontal position of the right-angle elbow cannot be completely restricted, which will affect the accuracy of the laser cutting head after cutting, thereby seriously affecting the cutting efficiency of the laser cutting machine.

[0006] 3. When the laser cutting head is cutting the right-angle elbow, the right-angle elbow will vibrate slightly, causing it to slightly deviate from its original position. If it continues to cut at this time, the cutting surface will tilt, making the right-angle elbow unusable after cutting.

[0007] Therefore, in order to ensure that the laser cutting machine can cut the right-angled pipe efficiently and has higher accuracy and surface quality, the present invention provides a high-efficiency laser cutting machine. Summary of the invention

[0008] In order to solve the above technical problems, the present invention provides a high-efficiency laser cutting machine, which is achieved by the following specific technical means:

[0009] A high-efficiency laser cutting machine comprises a body, a bottom plate is fixedly mounted on the lower surface of the body, a screen is fixedly mounted on the upper surface of the body, and the screen is arranged in a rectangular array grid, and a mobile cutting mechanism for mobile cutting is fixedly mounted on the upper end of the body.

[0010] The mobile cutting mechanism comprises a longitudinal moving part symmetrically fixedly installed on the upper end of the fuselage, and a transverse moving part is commonly fixedly installed on the upper ends of the left and right longitudinal moving parts, and the transverse moving parts are symmetrically provided with a blocking part for preventing vibration and displacement.

[0011] The upper surface where the mesh plate is placed is provided with a positioning mechanism for three-point positioning and fixing the bent pipe.

[0012] The positioning mechanism comprises an oblique support part inserted into the grid of the placement mesh plate, and the placement mesh plate is provided with a midpoint part which cooperates with the oblique support part to fix the bent pipe.

[0013] The upper surface of the screen is placed, and two ends of the curved pipe are plugged with a deviation-correcting mechanism to prevent the curved pipe from vibrating and deviating.

[0014] The deviation correction mechanism comprises a transfer and fixing part plugged on the placement screen, and the upper surface of the transfer and fixing part is provided with a facing part that fits the end surface of the bent pipe.

[0015] As a preferred technical solution of the present invention, the longitudinal movement part includes a longitudinal guide rail, a first motor, a longitudinal movement slider and a first cylinder. The upper ends of the left and right sides of the fuselage are fixedly installed with longitudinal guide rails, the front ends of the longitudinal guide rails are fixedly installed with first motors, the output end of the first motor is fixedly sleeved with a first screw, and the first screw is rotatably installed inside the longitudinal guide rail. One side wall of the longitudinal guide rails that are away from each other is slidably connected with a longitudinal movement slider through an opened slideway, and the longitudinal movement slider is threadedly connected to the first screw through a set threaded sleeve, and the upper end surfaces of the left and right longitudinal movement sliders are fixedly installed with first cylinders.

[0016] As a preferred technical solution of the present invention, the transverse movement part includes a transverse guide rail, a second motor, a transverse movement slider, a laser cutting head and a telescopic cable. The telescopic ends of the left and right first cylinders are commonly fixedly installed with a transverse guide rail, and the right end of the transverse guide rail is fixedly installed with a second motor. The output end of the second motor is fixedly sleeved with a second screw, and the second screw is rotatably installed inside the transverse guide rail. The lower end of the transverse guide rail is slidably connected with a transverse movement slider by setting a threaded sleeve and cooperating with the second screw. A laser cutting head is fixedly installed on the outer side of the transverse movement slider, the transverse guide rail passes through the laser cutting head, and a limited position slide rail is set between the transverse guide rail and the laser cutting head, and the laser cutting head is connected to the fuselage through a telescopic cable.

[0017] As a preferred technical solution of the present invention, the locking portion includes a third motor, a pressure plate and a limiting wire groove. The third motor is symmetrically installed on the left and right sides of the laser cutting head, and the output ends of the third motor are fixedly sleeved with a threaded barrel, and the third screw is threadedly connected to the inner thread of the threaded barrel, and the other end of the third screw is fixedly installed with a pressure plate, and the front side wall of the transverse guide rail is fixedly provided with a limiting wire groove, and the pressure plate is located in the limiting wire groove, and the rear end of the pressure plate slides in the limiting wire groove, and the side wall where the pressure plate and the limiting wire groove are close to each other is rough.

[0018] As a preferred technical solution of the present invention, the diagonal support part includes a cross plug plate, a fixing bolt, a diagonal support rod and a tube-proof gasket. The grid on which the mesh panel is placed is connected with a cross plug plate, and the cross plug plate is higher than the height of the mesh panel grid. The lower end of the cross plug plate is threadedly connected with a fixing bolt. The upper surface of the cross plug plate is rotatably connected with the diagonal support rod through a symmetrically arranged rotating shaft. The front ends of the diagonal support rods are rotatably connected with the tube-proof gasket, and a rubber pad is provided on one side wall of the tube-proof gasket away from the diagonal support rod, and an end of the diagonal support rod away from the tube-proof gasket is provided with incomplete gears that mesh with each other.

[0019] As a preferred technical solution of the present invention, the midpoint portion includes an insert plate, a second cylinder, a front pad and a right-angle bend pipe, and the symmetrical diagonal support rod is fitted with a right-angle bend pipe through a pipe-resisting gasket at the front end, and the right-angle bend pipe is placed on a placement mesh plate, and an insert plate is plugged into the placement mesh plate, and a second cylinder is fixedly installed on the upper surface of the insert plate, and a front pad is fixedly installed on the telescopic end of the second cylinder, and a rubber pad is provided on one side wall of the front pad close to the right-angle bend pipe.

[0020] As a preferred technical solution of the present invention, the shifting and fixing part includes a positioning block plate, a clamping block and a gasket bolt. Positioning block plates are provided on both sides of the left and right sides of one end face of the right-angle bend pipe, and positioning block plates are provided on both sides of the front and rear of the other end face. The interiors of the positioning block plates are symmetrically slidably connected with the clamping blocks through the opened slideways, and the positioning block plates are inserted into the grid where the mesh plate is placed through the clamping blocks. The upper end of the clamping block passes through the positioning block plate and is threadedly connected with a gasket bolt.

[0021] As a preferred technical solution of the present invention, the veneer portion includes a semi-arc bracket, a spring screw, a threaded limit sleeve and a veneer panel, the positioning blocks on the left and right sides are commonly fixedly installed with a semi-arc bracket, the semi-arc bracket is slidably connected with a plurality of spring screws in a circular array, the upper end of the semi-arc bracket and the corresponding position of the spring screw are rotatably installed with a threaded limit sleeve, and the threaded limit sleeve and the spring screw are threadedly connected, the lower end of the spring screw is rotatably installed with a veneer panel, and the veneer panel is L-shaped.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] 1. The high-efficiency laser cutting machine is provided with a mobile cutting mechanism. When the laser cutting machine cuts the horizontal surface and then moves to the vertical surface for further cutting, the laser cutting head is locked by the locking part, thereby limiting the slight deviation of the laser cutting head and further improving the surface quality of the right-angle elbow after cutting.

[0024] 2. This high-efficiency laser cutting machine, through the coordination of the positioning mechanism and the mobile cutting mechanism, limits the right-angle elbow placed horizontally on the placement screen at three points in the front and back, so as to fix it on the placement screen, thereby increasing the accuracy of the laser cutting head after cutting and improving the cutting efficiency of the laser cutting machine.

[0025] 3. This high-efficiency laser cutting machine uses the correcting mechanism and the mobile cutting mechanism in coordination with each other. During the process of cutting one end of the right-angle bend pipe, the veneer panel presses against the other end to avoid the slight vibration of the right-angle bend pipe during the cutting process, thereby reducing the situation where the cutting surface of the right-angle bend pipe is tilted and cannot be used after cutting. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the three-dimensional structure of the fuselage of the present invention.

[0027] Figure 2 It is a schematic diagram of the internal three-dimensional structure of the fuselage of the present invention.

[0028] Figure 3 It is a schematic diagram of the three-dimensional structure of the mobile cutting mechanism of the present invention.

[0029] Figure 4 It is a schematic diagram of the three-dimensional structure of the transverse shifting portion and the locking portion of the present invention.

[0030] Figure 5 It is a three-dimensional structural schematic diagram of the positioning mechanism of the present invention.

[0031] Figure 6 It is a schematic diagram of the three-dimensional structure of the diagonal support part of the present invention.

[0032] Figure 7 It is a partial bottom view structural schematic diagram of the positioning mechanism of the present invention.

[0033] Figure 8 for Figure 6 Schematic diagram of the enlarged structure at point A in the middle.

[0034] Fig. 9 for Figure 7 Schematic diagram of the enlarged structure at point B in the middle.

[0035] In the figure: 1, fuselage; 2, bottom plate; 3, screen placement; 4, moving cutting mechanism; 41, longitudinal moving part; 411, longitudinal guide rail; 412, first motor; 413, longitudinal moving slider; 414, first cylinder; 42, transverse moving part; 421, transverse guide rail; 422, second motor; 423, transverse moving slider; 424, laser cutting head; 425, telescopic cable; 43, clamping part; 431, third motor; 432, pressure plate; 433, limit wire groove; 5, positioning mechanism; 51. Diagonal bracing part; 511. Cross plug-in plate; 512. Fixing bolt; 513. Diagonal bracing rod; 514. Pipe-supporting gasket; 52. Midpoint part; 521. Insert plate; 522. Second cylinder; 523. Front gasket; 524. Right-angle bend pipe; 6. Correction mechanism; 61. Transfer and fixation part; 611. Positioning block plate; 612. Clamping block; 613. Gasket bolt; 62. Veneer part; 621. Semi-arc bracket; 622. Spring screw; 623. Threaded limit sleeve; 624. Veneer panel. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] See also Figure 1 and Figure 2 A high-efficiency laser cutting machine includes a body 1, a bottom plate 2 is fixedly installed on the lower surface of the body 1, a screen plate 3 is fixedly installed on the upper surface of the body 1, and the screen plate 3 is arranged in a rectangular array grid, and a mobile cutting mechanism 4 for mobile cutting is fixedly installed on the upper end of the body 1.

[0038] See also Figure 3 and Figure 4 The movable cutting mechanism 4 includes a longitudinal moving part 41 symmetrically fixedly installed on the upper end of the fuselage 1, and a transverse moving part 42 is fixedly installed on the upper ends of the left and right longitudinal moving parts 41. The transverse moving part 42 is symmetrically provided with a blocking part 43 for preventing vibration and displacement.

[0039] See also Figure 5 , Figure 6 and Figure 7 A positioning mechanism 5 for fixing the elbow at three points is provided on the upper surface of the mesh plate 3 .

[0040] The positioning mechanism 5 includes an oblique support portion 51 inserted into the grid of the placement mesh plate 3, and a midpoint portion 52 is provided on the placement mesh plate 3 to cooperate with the oblique support portion 51 to fix the bent pipe.

[0041] See also Figure 8 A deviation correcting mechanism 6 is inserted at both ends of the curved pipe on the upper surface of the mesh plate 3 to prevent the curved pipe from vibrating and deviating.

[0042] The deviation correcting mechanism 6 comprises a transfer and fixing part 61 inserted on the placement screen plate 3 , and the upper surface of the transfer and fixing part 61 is provided with a contact part 62 that contacts the end surface of the bent pipe.

[0043] See also Figure 3 The longitudinal moving part 41 includes a longitudinal guide rail 411, a first motor 412, a longitudinal moving slider 413 and a first cylinder 414. The longitudinal guide rails 411 are fixedly installed on the upper ends of the left and right sides of the fuselage 1, and the first motor 412 is fixedly installed on the front end of the longitudinal guide rail 411. The output end of the first motor 412 is fixedly sleeved with a first screw, and the first screw is rotatably installed inside the longitudinal guide rail 411. A side wall of the longitudinal guide rail 411 that is away from each other is slidably connected with the longitudinal moving slider 413 through an opened slideway, and the longitudinal moving slider 413 is threadedly connected to the first screw through a set threaded sleeve, and the upper end surfaces of the left and right longitudinal moving sliders 413 are fixedly installed with the first cylinder 414.

[0044] See also Figure 4 The transverse moving part 42 includes a transverse guide rail 421, a second motor 422, a transverse moving 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 installed with the transverse guide rail 421. The right end of the transverse guide rail 421 is fixedly installed with the second motor 422. The output end of the second motor 422 is fixedly sleeved with a second screw, and the second screw is rotatably installed inside the transverse guide rail 421. The lower end of the transverse guide rail 421 is slidably connected with the transverse moving slider 423 through a threaded sleeve that cooperates with the second screw. The outer side of the transverse moving slider 423 is fixedly installed with a laser cutting head 424. The transverse guide rail 421 passes through the laser cutting head 424, and a limited position slide rail is set between the transverse guide rail 421 and the laser cutting head 424. The laser cutting head 424 is connected to the fuselage 1 through a telescopic cable 425.

[0045] During specific work, after it is fixed, adjust the output parameters of the laser cutting head 424, and transmit data to the laser cutting head 424 through the body 1 through the telescopic cable 425, and then start the first motor 412 to rotate the first screw to drive the longitudinal sliders 413 on both sides to start translation back and forth on the longitudinal guide rails 411 on both sides, and then start the first cylinder 414 to adjust the height of the transverse guide rail 421 to adjust the height of the laser cutting head 424 when cutting the right-angle bend pipe 524. When the laser cutting head 424 is translated to the end face corresponding to the front end of the right-angle bend pipe 524, the first motor 412 can be stopped.

[0046] Then the second motor 422 can be started, so that it can slide left and right along the transverse guide rail 421 through the second screw rod with the transverse slider 423, and at the same time cut the front end face of the right-angle bend pipe 524. After cutting, it moves to the horizontal plane where the rear end face of the right-angle bend pipe 524 needs to be cut, and then the second motor 422 is stopped.

[0047] See also Figure 4 The locking portion 43 includes a third motor 431, a pressure plate 432 and a limiting wire groove 433. The third motor 431 is symmetrically installed on the left and right sides of the laser cutting head 424, and the output ends of the third motor 431 are fixedly sleeved with a threaded barrel, and the third screw is threadedly connected to the inner thread of the threaded barrel. The other end of the third screw is fixedly installed with a pressure plate 432. The front side wall of the transverse guide rail 421 is fixedly provided with a limiting wire groove 433, and the pressure plate 432 is located in the limiting wire groove 433. The rear end of the pressure plate 432 slides in the limiting wire groove 433, and the side wall where the pressure plate 432 and the limiting wire groove 433 are close to each other is rough.

[0048] During specific operation, the third motor 431 is started, and the pressure plate 432 is moved in the limiting groove 433 through the third screw, so that the pressure plate 432 is pressed against the limiting groove 433, and then the laser cutting head 424 can be pressed against the transverse guide rail 421 to increase its fixity, so as to limit the slight deviation of the laser cutting head 424 and further improve the surface quality of the right-angle bend 524 after cutting.

[0049] First, the correcting mechanism 6 is used to fix the cut surface, and then the first motor 412 is started to drive the laser cutting head 424 to vertically cut the right-angle elbow 524 to complete the laser cutting.

[0050] See also Figure 5 , Figure 6 and Figure 7 The diagonal support part 51 includes a cross plug plate 511, a fixing bolt 512, a diagonal support rod 513 and a pipe-proof gasket 514. The grid on which the mesh panel 3 is placed is connected with the cross plug plate 511, and the cross plug plate 511 is higher than the height of the grid on which the mesh panel 3 is placed. The lower end of the cross plug plate 511 is threadedly connected with the fixing bolt 512. The upper surface of the cross plug plate 511 is rotatably connected with the diagonal support rod 513 through a symmetrically arranged rotating shaft. The front ends of the diagonal support rods 513 are rotatably connected with the pipe-proof gasket 514, and a rubber pad is provided on one side wall of the pipe-proof gasket 514 away from the diagonal support rod 513, and an end of the diagonal support rod 513 away from the pipe-proof gasket 514 is provided with incomplete gears that mesh with each other.

[0051] See also Figure 5 , Figure 6 and Figure 7The midpoint portion 52 includes an insert plate 521, a second cylinder 522, a front pad 523 and a right-angle bend 524. The symmetrical diagonal support rod 513 is fitted with the right-angle bend 524 through the front end pipe pad 514, and the right-angle bend 524 is placed on the placement mesh plate 3, and the placement mesh plate 3 is plugged with an insert plate 521. The second cylinder 522 is fixedly installed on the upper surface of the insert plate 521. The telescopic end of the second cylinder 522 is fixedly installed with a front pad 523, and a rubber pad is provided on one side wall of the front pad 523 close to the right-angle bend 524.

[0052] During specific work, when it is necessary to use the laser cutting head 424 to cut the two end faces of the right-angle bend pipe 524, first place the right-angle bend pipe 524 on the placement screen 3, and according to the length of the right-angle bend pipe 524, swing the diagonal support rod 513 on one side outward. At this time, the diagonal support rod 513 on the other side will follow the gear and rotate synchronously at the same angle, and stop rotating when the angle between the two diagonal support rods 513 reaches a certain degree.

[0053] At this time, the outer side surface of the right-angle bend pipe 524 is fitted into the inner wall of the pipe-receiving gasket 514. At this time, the pipe-receiving gasket 514 will adjust its angle with the diagonal support rod 513 according to the angle of the right-angle bend pipe 524. Then the second cylinder 522 can be started, so that its telescopic end can extend along the center line of the angle between the two diagonal support rods 513 with the front pad 523. Finally, the front pad 523 will abut against the inner side of the right-angle bend pipe 524, and the second cylinder 522 can be closed. At this time, the cross plug-in plate 511 and the fixing bolts 512 will firmly fix the two diagonal support rods 513 on the placement mesh plate 3, and the plug-in plate 521 will fix the second cylinder 522 on the placement mesh plate 3. The rubber pads of the front pad 523 and the pipe-receiving gasket 514 can prevent the right-angle bend pipe 524 from sliding.

[0054] At this time, the outer tube gasket 514 applies force from two directions on the outside and in the opposite direction of the inner center front pad 523 to fix the right-angle bend tube 524 on the surface where the mesh plate 3 is placed, thereby increasing the accuracy of the laser cutting head 424 after cutting while improving the cutting efficiency of the laser cutting machine.

[0055] See also Figure 8 The moving and fixing part 61 includes a positioning block plate 611, a clamping block 612 and a gasket bolt 613. Positioning block plates 611 are arranged on both sides of the left and right sides of one end face of the right-angle elbow 524, and positioning block plates 611 are arranged on both sides of the front and rear of the other end face. The interior of the positioning block plate 611 is symmetrically slidably connected with the clamping block 612 through the opened slideway, and the positioning block plate 611 is inserted into the grid where the mesh plate 3 is placed through the clamping block 612. The upper end of the clamping block 612 passes through the positioning block plate 611 and is threadedly connected with the gasket bolt 613.

[0056] See also Figure 8The veneer portion 62 includes a semi-arc bracket 621, a spring screw 622, a threaded limit sleeve 623 and a veneer panel 624. The left and right positioning blocks 611 are jointly fixed with the semi-arc bracket 621. The semi-arc bracket 621 is slidably connected with a plurality of spring screws 622 in a circular array. The upper end of the semi-arc bracket 621 and the corresponding position of the spring screw 622 are rotatably installed with a threaded limit sleeve 623, and the threaded limit sleeve 623 is threadedly connected to the spring screw 622. The lower end of the spring screw 622 is rotatably installed with a veneer panel 624, and the veneer panel 624 is L-shaped.

[0057] During specific operation, the positioning block plate 611 is placed on both sides of the end surface cut after the right-angle bend pipe 524, and then the clamping block 612 is slid on the positioning block plate 611 and stuck in the grid where the mesh plate 3 is placed. After adjusting the distance between the clamping blocks 612 on both sides to fix the positioning block plate 611, the gasket bolt 613 is rotated to press the clamping block 612 in the positioning block plate 611 during the continuous shortening process, thereby fixing the position of the semi-arc bracket 621.

[0058] Then push the spring screw 622 downward so that the L-long end of the veneer panel 624 below it fits the cut end face of the right-angle bend pipe 524, and then the threaded limit sleeve 623 at the upper end can be rotated to fix the position of the spring screw 622. Then, fix the remaining spring screws 622 in this way, so as to first fix the cut end face of the right-angle bend pipe 524, so as to achieve the effect of pressing one end thereof, so as to avoid the right-angle bend pipe 524 from slightly vibrating and deviating from its original position during the cutting process, thereby reducing the situation where the cut surface of the right-angle bend pipe 524 after cutting is tilted and cannot be used.

[0059] Working principle: When it is necessary to use the laser cutting head 424 to cut the two end faces of the right-angle bend pipe 524, first place the right-angle bend pipe 524 on the placement mesh plate 3, and use the mutual cooperation between the diagonal support part 51 and the midpoint part 52 to apply force from the outer tube gasket 514 in the opposite directions of the inner center point front pad 523 from the outer two directions to fix the right-angle bend pipe 524 on the placement mesh plate 3.

[0060] Next, place the positioning block plate 611 on both sides of the end surface of the right-angle bend pipe 524 after cutting, use the shifting and fixing part 61 to fix the position of the semi-arc bracket 621, and then push the spring screw 622 downward so that the L-long end of the veneer plate 624 below it fits the end surface of the right-angle bend pipe 524 after cutting, rotate the threaded limit sleeve 623 to fix the position of the spring screw 622, and then fix the remaining spring screws 622 in this way, so as to first fix the end surface of the right-angle bend pipe 524 after cutting.

[0061] After it is fixed, adjust the output parameters of the laser cutting head 424, and transmit data to the laser cutting head 424 through the fuselage 1 through the telescopic cable 425. Then, the first motor 412 can be started, and the longitudinal movement part 41 can be used to drive the transverse guide rail 421 to start translation back and forth. Then, the first cylinder 414 is started to adjust the height of the laser cutting head 424 when cutting the right-angle bend pipe 524. When the laser cutting head 424 is translated to the end face corresponding to the front end of the right-angle bend pipe 524, the first motor 412 can be stopped.

[0062] Then the second motor 422 can be started, so that it can slide left and right along the transverse guide rail 421 through the screw rod and the transverse slider 423, and at the same time cut the front end face of the right-angle bend pipe 524. After cutting, it moves to the horizontal plane where the rear end face of the right-angle bend pipe 524 needs to be cut, and then the second motor 422 is stopped.

[0063] Start the third motor 431, which will move the pressure plate 432 forward through the threaded sleeve, so that the pressure plate 432 can be pressed against the limiting groove 433, and then the laser cutting head 424 can be pressed against the transverse guide rail 421. Then, the correction mechanism 6 can be used to fix the cut surface, and then the first motor 412 can be started to drive the laser cutting head 424 to vertically cut the right-angle bend 524, thereby completing the laser cutting.

[0064] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency laser cutting machine, comprising a body (1), characterized in that: A bottom plate (2) is fixedly mounted on the lower surface of the fuselage (1); a placement screen plate (3) is fixedly mounted at the center of the upper surface of the fuselage (1); the placement screen plate (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 fuselage (1); The movable cutting mechanism (4) comprises a longitudinal moving part (41) symmetrically fixedly mounted on the upper end of the machine body (1), a transverse moving part (42) being fixedly mounted on the upper ends of the longitudinal moving parts (41) on both sides, and a locking part (43) for preventing vibration and displacement being symmetrically arranged on the transverse moving part (42); The upper surface of the screen plate (3) is provided with a positioning mechanism (5) for fixing the elbow at three points; The positioning mechanism (5) comprises an oblique support portion (51) inserted into the grid of the placement mesh plate (3); the placement mesh plate (3) is provided with a midpoint portion (52) that cooperates with the oblique support portion (51) to fix the bent pipe; The upper surface of the screen plate (3) is inserted with a correction mechanism (6) at both ends of the curved pipe to prevent the curved pipe from vibrating and deviating; The deviation-correcting mechanism (6) comprises a shifting and fixing portion (61) plugged onto the placement screen (3), and the upper surface of the shifting and fixing portion (61) is provided with a facing portion (62) that is in contact with the end surface of the bent pipe; The longitudinal moving part (41) comprises a longitudinal guide rail (411), a first motor (412), a longitudinal moving slider (413) and a first cylinder (414); the longitudinal guide rails (411) are fixedly mounted on the upper ends of the left and right sides of the body (1); the first motor (412) is fixedly mounted on the front end of the longitudinal guide rail (411); a first screw is fixedly sleeved at the output end of the first motor (412), and the first screw is rotatably mounted inside the longitudinal guide rail (411); a side wall of the longitudinal guide rail (411) that is away from each other is slidably connected to the longitudinal moving slider (413) via a slideway, and the longitudinal moving slider (413) is threadedly connected to the first screw via a threaded sleeve; the upper end surfaces of the left and right longitudinal moving sliders (413) are fixedly mounted with the first cylinder (414); The transverse moving part (42) comprises a transverse guide rail (421), a second motor (422), a transverse moving slider (423), a laser cutting head (424) and a telescopic cable (425); the output ends of the left and right first cylinders (414) are fixedly mounted with the transverse guide rail (421); the right end of the transverse guide rail (421) is fixedly mounted with the second motor (422); the output end of the second motor (422) is fixedly sleeved with a second screw, and the second screw is rotatably mounted on the transverse guide rail (421); 1), the lower end of the transverse guide rail (421) is slidably connected to a transverse sliding block (423) by providing a threaded sleeve and cooperating with a second screw rod, a laser cutting head (424) is fixedly installed on the outer side of the transverse sliding block (423), the transverse guide rail (421) passes through the laser cutting head (424), and a limited position slide rail is provided between the transverse guide rail (421) and the laser cutting head (424), and the laser cutting head (424) is connected to the body (1) by a telescopic cable (425); The clamping portion (43) comprises a third motor (431), a pressure plate (432) and a limiting wire groove (433); the third motor (431) is symmetrically mounted on the left and right sides of the laser cutting head (424); the output ends of the third motor (431) are fixedly sleeved with a threaded barrel, the inner thread of the threaded barrel is connected with a third screw rod, the other end of the third screw rod is fixedly mounted with a pressure plate (432); the front side wall of the transverse guide rail (421) is fixedly provided with a limiting wire groove (433), the pressure plate (432) is located in the limiting wire groove (433), the rear end of the pressure plate (432) slides in the limiting wire groove (433), and the side wall of the pressure plate (432) and the limiting wire groove (433) close to each other is rough; The diagonal support portion (51) comprises a cross plug plate (511), a fixing bolt (512), a diagonal support rod (513) and a pipe-proof gasket (514); the grid of the mesh plate (3) is clamped with the cross plug plate (511), and the cross plug plate (511) is higher than the height of the grid of the mesh plate (3); the lower end of the cross plug plate (511) is threadedly connected with the fixing bolt (512); the upper surface of the cross plug plate (511) is rotatably connected with the diagonal support rod (513) via a symmetrically arranged rotating shaft; the front ends of the diagonal support rods (513) are rotatably connected with the pipe-proof gasket (514); a rubber pad is provided on a side wall of the pipe-proof gasket (514) away from the diagonal support rod (513); and an end of the diagonal support rod (513) away from the pipe-proof gasket (514) is provided with an incomplete gear meshing with each other; The midpoint portion (52) comprises an insert plate (521), a second cylinder (522), a front pad (523) and a right-angled bend pipe (524); the symmetrical diagonal support rod (513) is fitted with a right-angled bend pipe (524) via a pipe-resisting pad (514) at the front end, and the right-angled bend pipe (524) is placed on a placement mesh plate (3); the insert plate (521) is plugged into the placement mesh plate (3); the second cylinder (522) is fixedly mounted on the upper surface of the insert plate (521); the output end of the second cylinder (522) is fixedly mounted with a front pad (523); and a rubber pad is provided on a side wall of the front pad (523) close to the right-angled bend pipe (524).

2. The high-efficiency laser cutting machine according to claim 1, characterized in that: The fixing portion (61) comprises a positioning block plate (611), a clamping block (612) and a gasket bolt (613); the positioning block plates (611) are arranged on both left and right sides of one end face of the right-angle elbow (524), and the positioning block plates (611) are arranged on both front and rear sides of the other end face; the interior of the positioning block plates (611) is symmetrically slidably connected to the clamping blocks (612) via a slideway provided therein; the positioning block plates (611) are inserted into a grid on which the mesh plate (3) is placed via the clamping blocks (612); the upper end of the clamping blocks (612) passes through the positioning block plates (611) and is threadedly connected to the gasket bolt (613).

3. The high-efficiency laser cutting machine according to claim 2, characterized in that: The veneer portion (62) comprises a semi-arc bracket (621), a spring screw (622), a threaded limiting sleeve (623) and a veneer panel (624); the semi-arc bracket (621) is fixedly mounted on the positioning blocks (611) on the left and right sides; the threaded limiting sleeve (623) is rotatably mounted on the upper end of the semi-arc bracket (621) and at a position corresponding to the spring screw (622); the threaded limiting sleeve (623) and the spring screw (622) are both threadedly connected; the threaded limiting sleeve (623) is threadedly connected on the upper end of the spring screw (622); the veneer panel (624) is rotatably mounted on the lower end of the spring screw (622); and the veneer panel (624) is L-shaped.

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