Three-dimensional five-axis laser cutting equipment

Abstract

The utility model relates to the technical field of laser cutting machines, in particular to a three-dimensional five-axis laser cutting device which comprises a machine frame, two X-axis cross beams extending in the X-axis direction are arranged on the machine frame in parallel at intervals, a Y-axis movable beam is arranged between the two X-axis cross beams, the two ends of the Y-axis movable beam are arranged on the two X-axis cross beams respectively, and the Y-axis movable beam is arranged on the two X-axis cross beams. The X-axis cross beam is driven by an X-axis driving mechanism to move back and forth in the length direction of the X-axis cross beam; a lifting mechanism is arranged on the Y-axis moving beam; a laser cutting head is mounted on the lifting mechanism; a cutting workbench capable of moving back and forth in the X-axis direction under driving of a machine tool driving mechanism is arranged on the inner side of the machine frame and arranged below the Y-axis movable beam. A limiting structure used for limiting the moving position of the cutting workbench is arranged below the cutting workbench. The laser cutting device has the advantages that relative movement of the laser cutting head and the metal plate to be cut in multiple directions is achieved, operation is convenient, and cutting efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of laser cutting machines, in particular to a three-dimensional five-axis laser cutting device. Background Art

[0002] Laser cutting technology is increasingly used in many fields due to its advantages such as high speed, narrow cutting seam, small heat-affected zone, good verticality of cutting edge, smooth cutting edge, wide range of cutting materials, etc. With the development of laser application technology, laser cutting of three-dimensional space curves has been widely used in many fields such as automobile, aerospace, etc. abroad due to its advanced, flexible and adaptable characteristics. The position adjustment structure of the existing laser cutting machine is complex as a whole, which makes the adjustment path complicated. In the existing technology, the cutting table cannot be accurately positioned, which affects the cutting effect. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a three-dimensional five-axis laser cutting device, which has solved the above-mentioned problems in the prior art.

[0004] The utility model solves the above-mentioned technical problem with the following technical solutions: A three-dimensional five-axis laser cutting device comprises a frame, on which two X-axis beams extending in the X-axis direction are arranged in parallel and at intervals, a Y-axis movable beam is arranged between the two X-axis beams, and two ends of the Y-axis movable beam are respectively arranged on the two X-axis beams for moving back and forth along the length direction of the X-axis beams under the drive of the X-axis driving mechanism; a lifting mechanism is arranged on the Y-axis movable beam, and the lifting mechanism moves back and forth along the length direction of the Y-axis movable beam under the drive of the Y-axis driving mechanism; a laser cutting head is installed on the lifting mechanism, and the laser cutting head moves up and down in the vertical direction under the drive of the lifting mechanism; a cutting workbench which can move back and forth along the X-axis direction under the drive of the machine tool driving mechanism is arranged on the inner side of the frame, and the cutting workbench is arranged below the Y-axis movable beam; a limiting structure for limiting the moving position of the cutting workbench is arranged below the cutting workbench.

[0005] The beneficial effects of the utility model are as follows: the utility model realizes relative movement of the laser cutting head and the metal plate to be cut in multiple directions through the Y-axis movable beam that can move along the length direction of the X-axis crossbeam, the lifting mechanism that can move along the length direction of the Y-axis movable beam, the lifting mechanism that can drive the laser cutting head to rise and fall, and the cutting workbench that can move along the X-axis direction, and the operation is convenient and the cutting efficiency is high; by setting a limiting structure, the cutting workbench can be blocked and limited after reaching the processing position.

[0006] On the basis of the above technical solution, the present invention can also be improved as follows.

[0007] Furthermore, the machine tool drive mechanism includes a machine tool drive motor and a machine tool reducer drivingly connected to the output shaft of the machine tool drive motor. A base is provided on the inner side of the frame, and a machine tool guide rail and a machine tool bevel rack parallel to the X-axis crossbeam are provided on the upper surface of the base. The cutting workbench is slidably arranged on the machine tool guide rail, and the machine tool drive motor and the machine tool reducer are arranged on the cutting workbench. The output shaft of the machine tool reducer is drivingly connected to the machine tool drive gear, and the machine tool drive gear is meshed with the machine tool bevel rack. The limiting structure is arranged at the end of the machine tool bevel rack.

[0008] The beneficial effect of adopting the above-mentioned further scheme is: the machine tool drive motor drives the machine tool drive gear to rotate, and in cooperation with the machine tool bevel rack, the cutting worktable moves back and forth along the length direction of the machine tool guide rail, which can accurately control the moving distance of the cutting worktable and improve the accuracy of laser cutting; the setting of the limiting structure can, on the one hand, prevent the machine tool drive gear from disengaging from the machine tool bevel rack, and on the other hand, block the cutting worktable after it moves to the processing position to ensure that the cutting worktable is in the processing position.

[0009] Furthermore, the base is provided with a plurality of limit holes, and the plurality of limit holes are arranged at intervals along the bevel rack of the machine tool at the end of the bevel rack of the machine tool, a limit structure is installed in each of the limit holes, and a lifting assembly is installed at the bottom of the limit hole, and the top end of the lifting assembly is fixedly connected to the bottom end of the limit structure to drive the limit structure to extend upward or retract downward into the limit hole.

[0010] The beneficial effect of adopting the above further solution is: the limiting structures at different positions are raised and lowered by the lifting assembly as needed, so that the cutting workbench can be stopped at different processing positions as needed.

[0011] Furthermore, a limiting guide rail is provided on the base, and the limiting guide rail is arranged at the end of the machine tool bevel rack, and the length direction of the limiting guide rail is the same as the extension direction of the machine tool bevel rack, and the limiting structure is slidably arranged on the limiting guide rail and locked on the base through a locking mechanism.

[0012] The beneficial effect of adopting the above further solution is: the position of the limiting structure on the limiting guide rail is adjusted as needed, and then locked and fixed by the locking mechanism, so that the processing position of the cutting table can be adjusted according to the cutting needs of different workpieces.

[0013] Furthermore, a mounting groove is provided on the upper surface of the cutting workbench, the machine tool drive motor and the machine tool reducer are arranged in the mounting groove, and a cover plate for sealing the notch of the mounting groove is provided at the notch of the mounting groove.

[0014] The beneficial effect of adopting the above further solution is that the arrangement of the mounting groove facilitates the installation of the machine tool drive motor and the machine tool reducer.

[0015] Furthermore, a plurality of footrests for fixing the base are evenly arranged at the bottom of the base.

[0016] The beneficial effect of adopting the above further solution is that it is easy to install and fix the base.

[0017] Furthermore, the X-axis drive mechanism includes X-axis drive motors respectively arranged at both ends of the Y-axis moving beam and an X-axis reducer drivingly connected to the output shaft of the X-axis drive motor; an X-axis guide rail and an X-axis bevel rack extending along the length direction of the X-axis crossbeam are provided on the upper surface of the X-axis crossbeam; both ends of the X-axis crossbeam are respectively slidably arranged on the X-axis guide rails; the output end of the X-axis reducer is drivingly connected to the X-axis drive gear, and the X-axis drive gear is meshed with the X-axis bevel rack.

[0018] The beneficial effect of adopting the above further scheme is: the two X-axis drive motors synchronously drive the two X-axis drive gears to rotate, and with the cooperation of the X-axis drive gears and the X-axis bevel rack, the Y-axis moving beam is driven to move back and forth along the length direction of the X-axis crossbeam, which can accurately control the moving distance of the Y-axis moving beam and improve the accuracy of laser cutting.

[0019] Furthermore, the Y-axis driving mechanism includes a Y-axis driving motor arranged on the lifting mechanism and a Y-axis reducer drivingly connected to the output shaft of the Y-axis driving motor; a Y-axis guide rail and a Y-axis bevel rack extending along the length direction of the Y-axis moving beam are provided on the upper surface of the Y-axis moving beam; the lifting mechanism is slidably arranged on the Y-axis guide rail; the output shaft of the Y-axis reducer is drivingly connected to the Y-axis driving gear; and the Y-axis driving gear is meshed with the Y-axis bevel rack.

[0020] The beneficial effect of adopting the above further scheme is: the Y-axis drive motor drives the Y-axis drive gear to rotate, thereby driving the lifting mechanism to move back and forth along the length direction of the Y-axis guide rail, which can accurately control the moving distance of the lifting mechanism and improve the accuracy of laser cutting.

[0021] Furthermore, a Y-axis side guide rail extending along the length direction of the Y-axis moving beam is provided on the side surface of the Y-axis moving beam, and the side wall of the lifting mechanism is slidably connected to the Y-axis side guide rail.

[0022] The beneficial effect of adopting the above further scheme is that the setting of the Y-axis side guide rail can ensure the stability of the movement of the lifting mechanism, and prevent the lifting mechanism from tilting due to weight and force, causing wear on the Y-axis moving beam during movement, thereby affecting the accuracy of laser cutting.

[0023] Furthermore, it also includes two connecting fixed beams, which are respectively arranged between the two ends of the two X-axis cross beams, and the two ends of the connecting fixed beam are respectively fixedly connected to the ends of the two X-axis cross beams.

[0024] The beneficial effect of adopting the above further solution is that the setting of the connecting fixed beam can limit the movement range of the Y-axis movable beam and prevent the Y-axis movable beam from separating from the X-axis crossbeam.

[0025] Furthermore, the lifting mechanism includes a slide plate and a slide table arranged on the slide plate, the slide plate is slidably arranged on the Y-axis moving beam, the slide plate is provided with a Z-axis drive motor and a Z-axis reducer which is transmission-connected to the output shaft of the Z-axis drive motor, a vertically arranged Z-axis guide rail and a Z-axis bevel rack are provided on the side of the slide plate facing the slide table, the slide table is slidably arranged on the Z-axis guide rail, the output shaft of the Z-axis reducer is transmission-connected to the Z-axis drive gear, the Z-axis drive gear is meshed with the Z-axis bevel rack, and the laser cutting head is mounted on the slide table.

[0026] The beneficial effect of adopting the above further scheme is: the Z-axis drive motor drives the Z-axis drive gear to rotate, and in cooperation with the Z-axis bevel rack, the slide moves up and down along the length direction of the Z-axis guide rail, which can accurately control the movement distance of the slide and improve the accuracy of laser cutting. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0028] Figure 2 This is a schematic diagram of the connection between the Y-axis moving beam and the lifting mechanism in the utility model;

[0029] Figure 3 This is a schematic diagram of the installation of the limiting structure in the first embodiment of the utility model;

[0030] Figure 4 This is a schematic diagram of the installation of the limiting structure in the first embodiment of the utility model;

[0031] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0032] 1. Frame; 2. X-axis crossbeam; 3. Y-axis moving beam; 4. Lifting mechanism; 5. Cutting table; 6. X-axis driving motor; 7. X-axis reducer; 8. X-axis guide rail; 9. X-axis bevel rack; 10. Y-axis driving motor; 11. Y-axis reducer; 12. Y-axis guide rail; 13. Y-axis bevel rack; 14. Y-axis side guide rail; 15. Connecting fixed beam; 16. Slide plate; 17. Slide table; 18. Z-axis driving motor; 19. Z-axis reducer; 20. Z-axis guide rail; 21. Z-axis bevel rack; 22. Machine tool driving motor; 23. Machine tool reducer; 24. Base; 25. Machine tool guide rail; 26. Machine tool bevel rack; 27. Limiting structure; 28. Mounting slot; 29. ​​Limiting hole; 30. Lifting assembly; 31. Limiting guide rail; 32. Locking mechanism. DETAILED DESCRIPTION

[0033] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0034] Embodiment 1

[0035] like Figure 1 , Figure 2 As shown, an embodiment of the utility model includes a frame 1, on which two X-axis beams 2 extending along the X-axis direction are arranged in parallel and spaced apart. Specifically, the frame 1 includes four support columns, and the bottom ends of both ends of each of the X-axis beams 2 are respectively fixed with a support column, and the bottom ends of the support columns are fixed to the workplace through anchor plates, and the two support columns connected to the same X-axis beam 2 are fixedly connected through a long fixed column to increase the strength of the frame 1.

[0036] A Y-axis moving beam 3 is disposed between the two X-axis beams 2 , and both ends of the Y-axis moving beam 3 are respectively disposed on the two X-axis beams 2 for moving back and forth along the length direction of the X-axis beam 2 driven by the X-axis driving mechanism.

[0037] In a preferred embodiment of the utility model, two connecting fixed beams 15 are further included, and the two connecting fixed beams 15 are respectively arranged between the two ends of the two X-axis cross beams 2, and the two ends of the connecting fixed beam 15 are respectively fixedly connected to the ends of the two X-axis cross beams 2. The setting of the connecting fixed beam 15 can limit the moving mileage of the Y-axis movable beam 3 to prevent the Y-axis movable beam 3 from separating from the X-axis cross beam 2.

[0038] A lifting mechanism 4 is provided on the Y-axis movable beam 3, and the lifting mechanism 4 moves back and forth along the length direction of the Y-axis movable beam 3 driven by the Y-axis driving mechanism; a laser cutting head (not shown in the accompanying drawings, which is a conventional technology in the field) is installed on the lifting mechanism 4, and the laser cutting head moves up and down in the vertical direction driven by the lifting mechanism 4; a cutting table 5 is provided on the inner side of the frame 1, which can move back and forth along the X-axis direction driven by the machine tool driving mechanism, and the cutting table 5 is arranged below the Y-axis movable beam 3; a limiting structure 27 for limiting the moving position of the cutting table 5 is provided below the cutting table 5.

[0039] The machine tool driving mechanism includes a machine tool driving motor 22 and a machine tool reducer 23 drivingly connected to the output shaft of the machine tool driving motor 22. A base 24 is provided on the inner side of the frame 1. A plurality of footrests for fixing the base 24 are evenly provided at the bottom of the base 24. The base 24 extends from the outside of the frame 1 to the inside of the frame 1. A machine tool guide rail 25 and a machine tool bevel rack 26 arranged parallel to the X-axis crossbeam 2 are provided on the upper surface of the base 24. The cutting workbench 5 is slidably arranged on the machine tool guide rail 25. The machine tool driving motor 22 and the machine tool reducer 23 are arranged on the cutting workbench 5. The machine tool reducer 2 The output shaft of the machine tool 3 is connected to the machine tool driving gear, which is meshed with the machine tool bevel rack 26. The limiting structure 27 is arranged at the end of the machine tool bevel rack 26. In actual use, the machine tool driving motor 22 and the machine tool reducer 23 drive the cutting table 5 to move along the length direction of the machine tool guide rail 25 to the outside of the frame 1, and the metal plate to be cut is placed on the cutting table 5. Then the machine tool driving motor 22 and the machine tool reducer 23 drive the cutting table 5 to move along the length direction of the machine tool guide rail 25 to the inner processing station of the frame 1. The limiting structure 27 blocks the cutting table 5 to achieve the positioning of the cutting table 5. The machine tool driving motor 22 drives the machine tool driving gear to rotate, and in cooperation with the machine tool bevel rack 26, the cutting table 5 moves back and forth along the length direction of the machine tool guide rail 25, which can accurately control the moving distance of the cutting table 5 and improve the accuracy of laser cutting.

[0040] like Figure 3As shown, in this embodiment, the base 24 is provided with a plurality of limiting holes 29, which are arranged at intervals along the machine tool bevel rack 26 at the end of the machine tool bevel rack 26, and a limiting structure 27 is installed in each of the limiting holes 29, and a lifting assembly 30 is installed at the bottom of each of the limiting holes 29, and the top of the lifting assembly 30 is fixedly connected to the bottom of the limiting structure 27 to drive the limiting structure 27 to extend upward or retract downward into the limiting hole 29. The limiting structure 27 at different positions is lifted and lowered by the lifting assembly 30 as needed, so that the cutting table 5 can be stopped at different processing positions as needed.

[0041] In this embodiment, the lifting assembly 30 can be a linear motor or a cylinder, and the output shaft of the lifting assembly 30 is vertically arranged, and its top end is fixedly connected to the bottom end of the limiting structure 27. In addition, conventional lifting devices in the prior art are within the protection scope of this application.

[0042] In this embodiment, a mounting groove 28 is provided on the upper surface of the cutting workbench 5, and the machine tool drive motor 22 and the machine tool reducer 23 are arranged in the mounting groove 28. The notch of the mounting groove 28 is provided with a cover plate (not drawn in the accompanying drawings) for sealing the notch of the mounting groove 28. The notch of the mounting groove 28 is surrounded by a setting groove for placing the cover plate. The cover plate is arranged in the setting groove and fixed to the cutting workbench 5 by screws or bolts. The setting of the mounting groove 28 facilitates the installation of the machine tool drive motor 22 and the machine tool reducer 23.

[0043] In this embodiment, the X-axis driving mechanism includes an X-axis driving motor 6 respectively arranged at both ends of the Y-axis moving beam 3 and an X-axis reducer 7 drivingly connected to the output shaft of the X-axis driving motor 6. The upper surface of the X-axis beam 2 is provided with an X-axis guide rail 8 and an X-axis bevel rack 9 extending along the length direction of the X-axis beam 2. The two ends of the X-axis beam 2 are respectively slidably arranged on the X-axis guide rail 8. The output end of the X-axis reducer 7 is drivingly connected with an X-axis driving gear, and the X-axis driving gear is meshed with the X-axis bevel rack 9. The two X-axis driving motors 6 synchronously drive the two X-axis driving gears to rotate. Under the cooperation of the X-axis driving gear and the X-axis bevel rack 9, the Y-axis moving beam 3 is driven to move back and forth along the length direction of the X-axis beam 2, and the moving distance of the Y-axis moving beam 3 can be accurately controlled to improve the accuracy of laser cutting.

[0044] In this embodiment, the Y-axis driving mechanism includes a Y-axis driving motor 10 provided on the lifting mechanism 4 and a Y-axis reducer 11 drivingly connected to the output shaft of the Y-axis driving motor 10, a Y-axis guide rail 12 and a Y-axis bevel rack 13 extending along the length direction of the Y-axis moving beam 3 are provided on the upper surface of the Y-axis moving beam 3, the lifting mechanism 4 is slidably provided on the Y-axis guide rail 12, the output shaft of the Y-axis reducer 11 is drivingly connected to the Y-axis driving gear, and the Y-axis driving gear is meshed with the Y-axis bevel rack 13. The Y-axis driving motor 10 drives the Y-axis driving gear to rotate, thereby driving the lifting mechanism 4 to move back and forth along the length direction of the Y-axis guide rail 12, which can accurately control the moving distance of the lifting mechanism 4 and improve the accuracy of laser cutting.

[0045] The Y-axis moving beam 3 is provided with a Y-axis side guide rail 14 extending along the length direction of the Y-axis moving beam 3 on the side surface, and the side wall of the lifting mechanism 4 is slidably connected to the Y-axis side guide rail 14. The provision of the Y-axis side guide rail 14 can ensure the stability of the movement of the lifting mechanism 4, and prevent the lifting mechanism 4 from tilting due to weight and force, causing wear on the Y-axis moving beam 3 during the movement, thereby affecting the accuracy of laser cutting.

[0046] In this embodiment, the lifting mechanism 4 includes a slide plate 16 and a slide table 17 arranged on the slide plate 16, the slide plate 16 is slidably arranged on the Y-axis moving beam 3, the slide plate 16 is provided with a Z-axis driving motor 18 and a Z-axis reducer 19 connected to the output shaft of the Z-axis driving motor 18, the slide plate 16 is provided with a vertically arranged Z-axis guide rail 20 and a Z-axis bevel rack 21 on the side facing the slide table 17, the slide table 17 is slidably arranged on the Z-axis guide rail 20, the output shaft of the Z-axis reducer 19 is connected to the Z-axis driving gear, the Z-axis driving gear is meshed with the Z-axis bevel rack 21, and the laser cutting head is installed on the slide table 17. The Z-axis driving motor 18 drives the Z-axis driving gear to rotate, and in cooperation with the Z-axis bevel rack 21, the slide table 17 moves up and down along the length direction of the Z-axis guide rail 20, and the moving distance of the slide table 17 can be accurately controlled to improve the accuracy of laser cutting.

[0047] In this embodiment, the slide plate 16 includes a vertical plate and a horizontal plate fixed on one side of the vertical plate, the horizontal plate is arranged on the upper part of the vertical plate, the bottom of the horizontal plate is slidably connected to the Y-axis guide rail 12, the Y-axis drive motor 10 and the Y-axis reducer 11 are both installed on the horizontal plate, the Z-axis drive motor 18 and the machine tool reducer 23 are installed on the side of the vertical plate connected to the horizontal plate, and the slide 17 is arranged on the side of the vertical plate away from the horizontal plate; the lower part of the side of the vertical plate connected to the horizontal plate is slidably connected to the Y-axis side guide rail 14.

[0048] Embodiment 2

[0049] like Figure 1 , Figure 2 As shown, an embodiment of the utility model includes a frame 1, on which two X-axis beams 2 extending along the X-axis direction are arranged in parallel and spaced apart. Specifically, the frame 1 includes four support columns, and the bottom ends of both ends of each of the X-axis beams 2 are respectively fixed with a support column, and the bottom ends of the support columns are fixed to the workplace through anchor plates, and the two support columns connected to the same X-axis beam 2 are fixedly connected through a long fixed column to increase the strength of the frame 1.

[0050] A Y-axis moving beam 3 is disposed between the two X-axis beams 2 , and both ends of the Y-axis moving beam 3 are respectively disposed on the two X-axis beams 2 for moving back and forth along the length direction of the X-axis beam 2 driven by the X-axis driving mechanism.

[0051] In a preferred embodiment of the utility model, two connecting fixed beams 15 are further included, and the two connecting fixed beams 15 are respectively arranged between the two ends of the two X-axis cross beams 2, and the two ends of the connecting fixed beam 15 are respectively fixedly connected to the ends of the two X-axis cross beams 2. The setting of the connecting fixed beam 15 can limit the moving mileage of the Y-axis movable beam 3 to prevent the Y-axis movable beam 3 from separating from the X-axis cross beam 2.

[0052] A lifting mechanism 4 is provided on the Y-axis movable beam 3, and the lifting mechanism 4 moves back and forth along the length direction of the Y-axis movable beam 3 driven by the Y-axis driving mechanism; a laser cutting head (not shown in the accompanying drawings, which is a conventional technology in the field) is installed on the lifting mechanism 4, and the laser cutting head moves up and down in the vertical direction driven by the lifting mechanism 4; a cutting table 5 is provided on the inner side of the frame 1, which can move back and forth along the X-axis direction driven by the machine tool driving mechanism, and the cutting table 5 is arranged below the Y-axis movable beam 3; a limiting structure 27 for limiting the moving position of the cutting table 5 is provided below the cutting table 5.

[0053] The machine tool driving mechanism includes a machine tool driving motor 22 and a machine tool reducer 23 drivingly connected to the output shaft of the machine tool driving motor 22. A base 24 is provided on the inner side of the frame 1. A plurality of footrests for fixing the base 24 are evenly provided at the bottom of the base 24. The base 24 extends from the outside of the frame 1 to the inside of the frame 1. A machine tool guide rail 25 and a machine tool bevel rack 26 arranged parallel to the X-axis crossbeam 2 are provided on the upper surface of the base 24. The cutting workbench 5 is slidably arranged on the machine tool guide rail 25. The machine tool driving motor 22 and the machine tool reducer 23 are arranged on the cutting workbench 5. The machine tool reducer 2 The output shaft of the machine tool 3 is connected to the machine tool driving gear, which is meshed with the machine tool bevel rack 26. The limiting structure 27 is arranged at the end of the machine tool bevel rack 26. In actual use, the machine tool driving motor 22 and the machine tool reducer 23 drive the cutting table 5 to move along the length direction of the machine tool guide rail 25 to the outside of the frame 1, and the metal plate to be cut is placed on the cutting table 5. Then the machine tool driving motor 22 and the machine tool reducer 23 drive the cutting table 5 to move along the length direction of the machine tool guide rail 25 to the inner processing station of the frame 1. The limiting structure 27 blocks the cutting table 5 to achieve the positioning of the cutting table 5. The machine tool driving motor 22 drives the machine tool driving gear to rotate, and in cooperation with the machine tool bevel rack 26, the cutting table 5 moves back and forth along the length direction of the machine tool guide rail 25, which can accurately control the moving distance of the cutting table 5 and improve the accuracy of laser cutting.

[0054] like Figure 4 As shown, in this embodiment, a limiting guide rail 31 is provided on the base 24, and the limiting guide rail 31 is provided at the end of the machine tool bevel rack 26, and the length direction of the limiting guide rail 31 is the same as the extension direction of the machine tool bevel rack 26, and the limiting structure 27 is slidably provided on the limiting guide rail 31 and locked on the base 24 through a locking mechanism 32. The position of the limiting structure 27 on the limiting guide rail 31 is adjusted as needed, and then locked and fixed by the locking mechanism 32, and the processing position of the cutting workbench 5 can be adjusted according to the cutting needs of different workpieces.

[0055] In this embodiment, the locking mechanism 32 adopts a locking bolt, and the limiting guide rail 31 adopts an I-shaped guide rail to prevent the limiting structure 27 from being separated from the limiting guide rail 31.

[0056] In this embodiment, a mounting groove 28 is provided on the upper surface of the cutting workbench 5, and the machine tool drive motor 22 and the machine tool reducer 23 are arranged in the mounting groove 28. The notch of the mounting groove 28 is provided with a cover plate (not drawn in the accompanying drawings) for sealing the notch of the mounting groove 28. The notch of the mounting groove 28 is surrounded by a setting groove for placing the cover plate. The cover plate is arranged in the setting groove and fixed to the cutting workbench 5 by screws or bolts. The setting of the mounting groove 28 facilitates the installation of the machine tool drive motor 22 and the machine tool reducer 23.

[0057] In this embodiment, the X-axis driving mechanism includes an X-axis driving motor 6 respectively arranged at both ends of the Y-axis moving beam 3 and an X-axis reducer 7 drivingly connected to the output shaft of the X-axis driving motor 6. The upper surface of the X-axis beam 2 is provided with an X-axis guide rail 8 and an X-axis bevel rack 9 extending along the length direction of the X-axis beam 2. The two ends of the X-axis beam 2 are respectively slidably arranged on the X-axis guide rail 8. The output end of the X-axis reducer 7 is drivingly connected with an X-axis driving gear, and the X-axis driving gear is meshed with the X-axis bevel rack 9. The two X-axis driving motors 6 synchronously drive the two X-axis driving gears to rotate. Under the cooperation of the X-axis driving gear and the X-axis bevel rack 9, the Y-axis moving beam 3 is driven to move back and forth along the length direction of the X-axis beam 2, and the moving distance of the Y-axis moving beam 3 can be accurately controlled to improve the accuracy of laser cutting.

[0058] In this embodiment, the Y-axis driving mechanism includes a Y-axis driving motor 10 provided on the lifting mechanism 4 and a Y-axis reducer 11 drivingly connected to the output shaft of the Y-axis driving motor 10, a Y-axis guide rail 12 and a Y-axis bevel rack 13 extending along the length direction of the Y-axis moving beam 3 are provided on the upper surface of the Y-axis moving beam 3, the lifting mechanism 4 is slidably provided on the Y-axis guide rail 12, the output shaft of the Y-axis reducer 11 is drivingly connected to the Y-axis driving gear, and the Y-axis driving gear is meshed with the Y-axis bevel rack 13. The Y-axis driving motor 10 drives the Y-axis driving gear to rotate, thereby driving the lifting mechanism 4 to move back and forth along the length direction of the Y-axis guide rail 12, which can accurately control the moving distance of the lifting mechanism 4 and improve the accuracy of laser cutting.

[0059] The Y-axis moving beam 3 is provided with a Y-axis side guide rail 14 extending along the length direction of the Y-axis moving beam 3 on the side surface, and the side wall of the lifting mechanism 4 is slidably connected to the Y-axis side guide rail 14. The provision of the Y-axis side guide rail 14 can ensure the stability of the movement of the lifting mechanism 4, and prevent the lifting mechanism 4 from tilting due to weight and force, causing wear on the Y-axis moving beam 3 during the movement, thereby affecting the accuracy of laser cutting.

[0060] In this embodiment, the lifting mechanism 4 includes a slide plate 16 and a slide table 17 arranged on the slide plate 16, the slide plate 16 is slidably arranged on the Y-axis moving beam 3, the slide plate 16 is provided with a Z-axis driving motor 18 and a Z-axis reducer 19 connected to the output shaft of the Z-axis driving motor 18, the slide plate 16 is provided with a vertically arranged Z-axis guide rail 20 and a Z-axis bevel rack 21 on the side facing the slide table 17, the slide table 17 is slidably arranged on the Z-axis guide rail 20, the output shaft of the Z-axis reducer 19 is connected to the Z-axis driving gear, the Z-axis driving gear is meshed with the Z-axis bevel rack 21, and the laser cutting head is installed on the slide table 17. The Z-axis driving motor 18 drives the Z-axis driving gear to rotate, and in cooperation with the Z-axis bevel rack 21, the slide table 17 moves up and down along the length direction of the Z-axis guide rail 20, and the moving distance of the slide table 17 can be accurately controlled to improve the accuracy of laser cutting.

[0061] In this embodiment, the slide plate 16 includes a vertical plate and a horizontal plate fixed on one side of the vertical plate, the horizontal plate is arranged on the upper part of the vertical plate, the bottom of the horizontal plate is slidably connected to the Y-axis guide rail 12, the Y-axis drive motor 10 and the Y-axis reducer 11 are both installed on the horizontal plate, the Z-axis drive motor 18 and the machine tool reducer 23 are installed on the side of the vertical plate connected to the horizontal plate, and the slide 17 is arranged on the side of the vertical plate away from the horizontal plate; the lower part of the side of the vertical plate connected to the horizontal plate is slidably connected to the Y-axis side guide rail 14.

[0062] The utility model realizes relative movement of the laser cutting head and the metal plate to be cut in multiple directions through the Y-axis movable beam 3 that can move along the length direction of the X-axis beam 2, the lifting mechanism 4 that can move along the length direction of the Y-axis movable beam 3, the lifting mechanism 4 that can drive the laser cutting head to rise and fall, and the cutting workbench 5 that can move along the X-axis direction. The operation is convenient and the cutting efficiency is high.

[0063] In the description of the present invention, it should be understood that the terms "center", "length", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "inside", "outside", "peripheral", "circumferential" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred system or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0064] In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0065] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0066] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0067] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A three-dimensional five-axis laser cutting device, characterized in that: The invention comprises a frame (1), wherein two X-axis beams (2) extending in the X-axis direction are arranged in parallel and at intervals on the frame (1), a Y-axis movable beam (3) is arranged between the two X-axis beams (2), and two ends of the Y-axis movable beam (3) are respectively arranged on the two X-axis beams (2) for moving back and forth along the length direction of the X-axis beams (2) under the drive of an X-axis driving mechanism; and a lifting mechanism (4) is arranged on the Y-axis movable beam (3), and the lifting mechanism (4) moves along the length direction of the Y-axis movable beam (3) under the drive of the Y-axis driving mechanism. The lifting mechanism (4) is provided with a laser cutting head, and the laser cutting head moves up and down in the vertical direction under the drive of the lifting mechanism (4); a cutting table (5) is provided on the inner side of the frame (1) and can move back and forth along the X-axis direction under the drive of the machine tool driving mechanism, and the cutting table (5) is provided below the Y-axis moving beam (3); and a limiting structure (27) for limiting the moving position of the cutting table (5) is provided below the cutting table (5).

2. The three-dimensional five-axis laser cutting equipment according to claim 1, characterized in that: The machine tool drive mechanism comprises a machine tool drive motor (22) and a machine tool reducer (23) drivingly connected to the output shaft of the machine tool drive motor (22); a base (24) is provided on the inner side of the frame (1); a machine tool guide rail (25) and a machine tool bevel rack (26) are provided on the upper surface of the base (24) and are arranged parallel to the X-axis crossbeam (2); the cutting table (5) is slidably arranged on the machine tool guide rail (25); the machine tool drive motor (22) and the machine tool reducer (23) are arranged on the cutting table (5); the output shaft of the machine tool reducer (23) is drivingly connected to a machine tool drive gear; the machine tool drive gear is meshed with the machine tool bevel rack (26); and the limiting structure (27) is arranged at the end of the machine tool bevel rack (26).

3. The three-dimensional five-axis laser cutting equipment according to claim 2, characterized in that: The base (24) is provided with a plurality of limiting holes (29), and the plurality of limiting holes (29) are arranged at intervals along the machine tool bevel rack (26) at the end of the machine tool bevel rack (26), and a limiting structure (27) is installed in each of the limiting holes (29). A lifting assembly (30) is installed at the bottom of each of the limiting holes (29), and the top end of the lifting assembly (30) is fixedly connected to the bottom end of the limiting structure (27) for driving the limiting structure (27) to extend upward or retract downward into the limiting hole (29).

4. The three-dimensional five-axis laser cutting device according to claim 2, characterized in that: The base (24) is provided with a limiting guide rail (31), the limiting guide rail (31) is arranged at the end of the machine tool bevel rack (26), and the length direction of the limiting guide rail (31) is the same as the extension direction of the machine tool bevel rack (26), and the limiting structure (27) is slidably arranged on the limiting guide rail (31) and locked (32) on the base (24) through a locking mechanism.

5. The three-dimensional five-axis laser cutting equipment according to claim 2, characterized in that: A mounting groove (28) is provided on the upper surface of the cutting workbench (5), the machine tool drive motor (22) and the machine tool reducer (23) are arranged in the mounting groove (28), and a cover plate for sealing the notch of the mounting groove (28) is provided at the notch of the mounting groove (28).

6. The three-dimensional five-axis laser cutting device according to claim 2, characterized in that: A plurality of footrests for fixing the base (24) are evenly arranged at the bottom of the base (24).

7. A three-dimensional five-axis laser cutting device according to any one of claims 1 to 6, characterized in that: The X-axis driving mechanism comprises an X-axis driving motor (6) respectively arranged at the two ends of the Y-axis moving beam (3) and an X-axis reducer (7) drivingly connected to the output shaft of the X-axis driving motor (6); an X-axis guide rail (8) extending along the length direction of the X-axis crossbeam (2) and an X-axis bevel rack (9) are arranged on the upper surface of the X-axis crossbeam (2); the two ends of the X-axis crossbeam (2) are respectively slidably arranged on the X-axis guide rail (8); the output end of the X-axis reducer (7) is drivingly connected to an X-axis driving gear, and the X-axis driving gear is meshed with the X-axis bevel rack (9).

8. A three-dimensional five-axis laser cutting device according to any one of claims 1 to 6, characterized in that: The Y-axis driving mechanism comprises a Y-axis driving motor (10) arranged on the lifting mechanism (4) and a Y-axis reducer (11) drivingly connected to the output shaft of the Y-axis driving motor (10); a Y-axis guide rail (12) extending along the length direction of the Y-axis moving beam (3) and a Y-axis bevel rack (13) are provided on the upper surface of the Y-axis moving beam (3); the lifting mechanism (4) is slidably arranged on the Y-axis guide rail (12); the output shaft of the Y-axis reducer (11) is drivingly connected to the Y-axis driving gear; and the Y-axis driving gear is meshed with the Y-axis bevel rack (13).

9. The three-dimensional five-axis laser cutting device according to claim 8, characterized in that: A Y-axis side guide rail (14) extending along the length direction of the Y-axis moving beam (3) is provided on the side surface of the Y-axis moving beam (3), and the side wall of the lifting mechanism (4) is slidably connected to the Y-axis side guide rail (14).

10. A three-dimensional five-axis laser cutting device according to any one of claims 1 to 6, characterized in that: It also comprises two connecting fixed beams (15), the two connecting fixed beams (15) are respectively arranged between the two ends of the two X-axis cross beams (2), and the two ends of the connecting fixed beam (15) are respectively fixedly connected to the ends of the two X-axis cross beams (2).

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