Laser pipe cutting machine carrying multiple feeding devices

Abstract

The utility model relates to a laser pipe cutting machine carrying multiple sets of feeding devices, an automatic feeding structure is installed on the left side of a machine tool body, a semi-automatic feeding structure is installed on the right side of the machine tool body, and when any set of the semi-automatic feeding structure and the automatic feeding structure is fed, a movable centering clamping structure is started synchronously; the movable centering clamping structure is gradually closed from front to back along with movement of the second chuck, the automatic feeding structure drives materials to extend towards the machine tool body, the automatic feeding structure drives the materials to be conveyed to the automatic feeding structure, and the materials are pushed out of the automatic feeding structure through the material pushing structure. The semi-automatic feeding structure comprises a second feeding structure and a feeding structure, and the feeding structure extends to the middle of the machine tool body. The utility model solves the problem that the existing laser pipe cutting machine cannot be compatible with both a semi-automatic feeding laser pipe cutting machine and a full-automatic feeding laser pipe cutting machine due to the fact that a plurality of pipes are circularly replaced for processing by a client, so that the use of the laser pipe cutting machine by the client is relatively inconvenient.

Description

Technical Field

[0001] The utility model relates to the technical field of laser tube cutting machines, in particular to a laser tube cutting machine equipped with multiple sets of feeding devices. Background Art

[0002] Laser cutting technology, considered humanity's greatest invention of the 21st century, has been applied across a wide range of industries, including automotive manufacturing, oil extraction, steel structure construction, railway transportation, and metal manufacturing. Laser tube cutting machines, in particular, have evolved from multiple metal forming processes to a single, single-step process, gradually becoming the mainstream equipment for metal tube processing.

[0003] At present, there are many types of laser tube cutting machines on the market. It is no longer possible to meet the needs of society just by meeting the needs of simple profile cutting. Automated production is becoming more and more urgent for enterprises. From the initial semi-automatic loading to fully automatic loading, many customers now have a variety of pipes that are cyclically replaced for processing. Therefore, the existing laser tube cutting machines have significant drawbacks. Therefore, it is urgent to develop a laser tube cutting machine that is compatible with both semi-automatic loading and fully automatic loading. Therefore, in order to realize the above-mentioned laser tube cutting machine, a laser tube cutting machine equipped with multiple sets of loading devices is proposed to solve the shortcomings of the existing technology. Utility Model Content

[0004] In response to the shortcomings of the existing technology, the utility model provides a laser tube cutting machine equipped with multiple sets of feeding devices, which solves the problem that many customers have to cycle and replace multiple pipes for processing, and the existing laser tube cutting machines cannot be compatible with both a semi-automatic feeding and a fully automatic feeding laser tube cutting machine, which is inconvenient for customers to use.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a laser tube cutting machine equipped with multiple sets of feeding devices, comprising a machine bed, a first chuck, a chuck and a laser cutting structure, a second chuck, a movable centering clamping structure, and a protective plate; the movable centering clamping structure is mounted on the machine bed, the first chuck and the second chuck are movable on the machine bed, an automatic feeding structure is mounted on the left side of the machine bed, and a semi-automatic feeding structure is mounted on the right side, initially the second chuck is located at the front end of the machine bed, and the movable centering clamping structure is synchronized when any one set of the semi-automatic feeding structure and the automatic feeding structure feeds. The automatic loading structure is started in one step, and the mobile centering clamping structure follows the movement of the second chuck to realize gradual closing from front to back, wherein the automatic loading structure includes an automatic loading structure, an automatic feeding structure and a pushing structure, and the automatic feeding structure drives the material to extend toward the machine bed, and the automatic loading structure drives the material to be transferred to the automatic feeding structure and pushed out the automatic feeding structure through the pushing structure, the semi-automatic loading structure includes a loading structure and a feeding structure, and the feeding structure extends to the middle of the machine bed, and the mobile centering clamping structure moves upward to drive the material and the center of the first chuck and the second chuck to be in the same horizontal plane.

[0006] Through the above technical solution, further, the movable centering clamping structure includes an auxiliary movable structure and a centering clamping structure, wherein the auxiliary movable structure includes a mounting plate, long teeth, a slide rail, a first servo motor, and a roller; the mounting plate is installed on the inner side surface of the machine tool bed, and a movable plate is provided on the rear side surface of the mounting plate, on which long teeth and a slide rail are symmetrically installed, and a first servo motor is installed on one side of the mounting plate, and a gear is connected to the output end of the first servo motor, and the gear and the long teeth form a gear connection and drive the movable plate to move upward or downward, wherein the centering clamping structure is installed on the other side surface of the movable plate, and a roller is installed at the upper end of the movable plate.

[0007] Furthermore, the centering clamping structure includes a first cylinder, a movable plate, a second cylinder, a connecting rod, and a centering clamping roller; the first cylinder is installed at the bottom of one side of the movable plate, the movable plate is installed at the telescopic end of the first cylinder, the second cylinder is installed on the movable plate, and a guide rail slider is provided in the middle of the surface of the movable plate and at the upper part of the surface, the telescopic end of the second cylinder is connected to the slider, and a connecting rod is movably installed on the slider, and the centering clamping roller is symmetrically and movably connected to the guide rail slider at the upper part, and the centering clamping roller is movably connected to the connecting rod.

[0008] As a preferred technical solution, the first loading structure includes a material storage frame, a side mounting plate, a fifth rotating shaft, a fifth dual-axis servo motor, a first reel, a material winding belt, and a second reel; the material storage frame is located on the rear side of the side mounting plate, and a fifth dual-axis servo motor is installed on one group of side mounting plates, and the dual output ends of the fifth dual-axis servo motor are connected to the fifth rotating shaft, and a first reel is also provided on the side mounting plate, and the first reel is connected to the fifth rotating shaft, and the second reel is installed at the upper end of the side mounting plate, and a clamping shaft is installed at the upper end of the material storage frame, and a material winding belt is connected to the surface of the clamping shaft and fixedly connected to the surface of the first reel through the second reel, and an automatic feeding structure is provided on one side of the side mounting plate.

[0009] Furthermore, a counterweight is provided on the surface of the coiled tape.

[0010] As a preferred technical solution, the automatic feeding structure includes a second chassis, a second crossbeam, an L-shaped mounting plate, a third dual-axis servo motor, a fourth dual-axis servo motor, a third rotating shaft, a fourth rotating shaft, a second loading arm, a transmission gear, a first gear, a second gear, and a second transmission chain; the second chassis is arranged on the left side of the machine tool bed, the second crossbeam is connected to the second chassis, and the third dual-axis servo motor and the fourth dual-axis servo motor are respectively installed on one group of the second chassis through the L-shaped mounting plate, and the dual output ends of the third dual-axis servo motor are connected to the third rotating shaft, and the dual output ends of the fourth dual-axis servo motor are connected to the third rotating shaft. The output end is connected to the fourth rotating shaft, and a transmission gear is installed on the surface of the third rotating shaft. A slider is installed on the front side of the second beam, and a guide rail is provided on the surface of the slider. One side of the guide rail is connected to the second loading arm, and the lower end of the second loading arm is provided with a long tooth. The long tooth and the transmission gear form a gear connection. Secondly, a first gear is symmetrically provided inside the second beam, and the first gear is connected to the third rotating shaft. A second gear is provided inside the second base frame, and the second gear is connected to the fourth rotating shaft. A second transmission chain is provided on the surface of the first gear and the second gear, and a pushing structure is installed on one side of the second beam.

[0011] Furthermore, the pushing structure includes a stroke sensor, a pushing plate, a third cylinder, and a blanking plate; the stroke sensor is installed on one side of the second loading arm, and the blanking plate is installed at the front end of the second loading arm, the third cylinder is installed on one side of the second beam, and the telescopic end of the third cylinder is connected to the pushing plate.

[0012] As a preferred technical solution, the feeding structure includes a first base frame, a first crossbeam, a first dual-axis servo motor, a second dual-axis servo motor, a first rotating shaft, a second rotating shaft, and a first transmission chain; the first base frame is located on the right side of the machine tool bed, and the first crossbeam is installed on the first base frame, and one group of the first base frames is installed with a first dual-axis servo motor and a second dual-axis servo motor, the dual output ends of the first dual-axis servo motor are connected to the second rotating shaft, and the dual output ends of the second dual-axis servo motor are connected to the first rotating shaft, the first base frame and the inner side surface of the first crossbeam are connected to gears, the gear located at the first base frame is connected to the second rotating shaft, and a first transmission chain is provided on the gear.

[0013] Furthermore, the second feeding structure includes a first feeding arm, and the feeding structure is consistent with the automatic feeding structure at the semi-automatic feeding structure.

[0014] As a preferred technical solution, a protective plate is further provided on the machine tool bed, which wraps the chuck and the laser cutting structure.

[0015] Compared with the existing technology, the present invention provides a laser tube cutting machine equipped with multiple feeding devices, which has the following beneficial effects:

[0016] 1. This laser tube cutting machine is equipped with two sets of loading structures through semi-automatic loading structure and automatic loading structure, so that it can be compatible with both semi-automatic loading and fully automatic loading, which is convenient for customers to use. There is no need to recycle and replace a variety of tubes for processing.

[0017] 2. Through the stroke sensor, push plate, third cylinder and blanking plate, the material is pushed into the mobile centering clamping structure for automatic centering. When the material contacts the stroke sensor, the third cylinder pushes the push plate upward, so that the material enters the blanking plate and sees the figure. Figure 6 It can be seen that a spring is also provided on the discharge plate, which can buffer the material entering the discharge pipe, and then wait for the moving centering clamping structure to be lifted out.

[0018] 3. By enclosing the first chassis, the first crossbeam, the first dual-axis servo motor, the second dual-axis servo motor, the first rotating shaft, the second rotating shaft, and the first transmission chain, refer to Figure 12 It can be seen that a support block is also provided on the first transmission chain, and the support block can be installed on the chain. The installation position can be adjusted according to the diameter of the pipe, which is conducive to supporting pipes of different sizes.

[0019] 4. Through the installation plate, long teeth, slide rail, first servo motor, roller and first cylinder, movable plate, second cylinder, connecting rod and centering clamping roller, such an arrangement can facilitate lifting the material when the feeding structure enters the center of the machine bed, and then drive the centering clamping roller to clamp the tube through the action of the second cylinder to keep the tube in the center, which helps to clamp the chuck. Secondly, when the chuck is clamped, the centering clamping structure moves during the movement to follow the movement of the second chuck to achieve gradual closing from front to back, which helps to improve the stability of the clamping. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the utility model;

[0021] Figure 2 This is a schematic diagram of the machine tool bed structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the automatic feeding structure of the utility model;

[0023] Figure 4 For this utility model Figure 3 A local enlarged structural diagram of point A;

[0024] Figure 5 This is a schematic diagram of the automatic feeding structure of the utility model;

[0025] Figure 6 For this utility model Figure 5 A schematic diagram of the partially enlarged structure at point B;

[0026] Figure 7 For this utility model Figure 5 Schematic diagram of the left view structure;

[0027] Figure 8 For this utility model Figure 7 AA cross-sectional structural diagram;

[0028] Figure 9 This is a schematic diagram of the semi-automatic feeding structure of the utility model;

[0029] Figure 10 For this utility model Figure 9 Schematic diagram of the main structure;

[0030] Figure 11 This is a schematic structural diagram of the first dual-axis servo motor and the second dual-axis servo motor of the utility model;

[0031] Figure 12 For this utility model Figure 10 BB cross-sectional structure diagram;

[0032] Figure 13This is a schematic diagram of the mobile centering clamping structure of the utility model;

[0033] Figure 14 This is a top view schematic diagram of the mobile centering clamping of the utility model;

[0034] Figure 15 This is a schematic diagram of the movable plate structure of the utility model.

[0035] In the figure: 1. machine tool bed; 2. first chuck; 3. chuck and laser cutting structure; 4. second chuck; 5. mobile centering clamping structure; 501. mounting plate; 502. long teeth; 503. slide rail; 504. first servo motor; 505. roller; 506. first cylinder; 507. moving plate; 508. second cylinder; 509. connecting rod; 510. centering clamping roller; 6. protective plate; 7. semi-automatic loading structure; 701. first base frame; 702. first crossbeam; 703. first dual-axis servo motor; 704. second dual-axis servo motor; 705. first rotating shaft; 706. second rotating shaft; 707. first transmission chain; 708. first loading arm; 8. Automatic loading structure; 801, second base frame; 802, second crossbeam; 803, stroke sensor; 804, L-shaped mounting plate; 805, third dual-axis servo motor; 806, fourth dual-axis servo motor; 807, third rotating shaft; 808, fourth rotating shaft; 809, second loading arm; 810, transmission gear; 811, material storage rack; 812, side mounting plate; 813, fifth rotating shaft; 814, fifth dual-axis servo motor; 815, first reel; 816, material winding belt; 817, second reel; 818, push plate; 819, third cylinder; 820, unloading plate; 821, first gear; 822, second gear; 823, second transmission chain; 824, slider. 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0037] Example

[0038] See also Figure 1-15The utility model provides the following technical solutions: a laser tube cutting machine equipped with multiple sets of feeding devices, including a machine bed 1, a first chuck 2, a chuck and laser cutting structure 3, a second chuck 4, a movable centering clamping structure 5, and a protective plate 6; the movable centering clamping structure 5 is installed on the machine bed 1, the first chuck 2 and the second chuck 4 are movable on the machine bed 1, an automatic feeding structure 8 is installed on the left side of the machine bed 1, and a semi-automatic feeding structure 7 is installed on the right side. Initially, the second chuck 4 is located at the front end of the machine bed 1, and the movable centering clamping structure 5 is held when any set of the semi-automatic feeding structure 7 and the automatic feeding structure 8 is fed. They are started synchronously, and the moving centering clamping structure 5 follows the movement of the second chuck 4 to achieve gradual closing from front to back, wherein the automatic loading structure 8 includes a first loading structure, an automatic feeding structure and a pushing structure, the automatic feeding structure drives the material to extend toward the machine bed 1, the automatic loading structure drives the material to be transferred to the automatic feeding structure and pushed out of the automatic feeding structure through the pushing structure, the semi-automatic loading structure 7 includes a second loading structure and a feeding structure, the feeding structure extends to the middle of the machine bed 1, the moving centering clamping structure 5 moves upward to drive the material and the center of the first chuck 2 and the second chuck 4 to be in the same horizontal plane.

[0039] In this embodiment, the specific working principle is: this laser tube cutting machine realizes that the laser tube cutting machine can adapt to automatic and semi-automatic loading methods through the automatic loading structure 8 and the semi-automatic loading structure 7, so there is no need to recycle and replace a variety of tubes for processing, which is convenient for customers to use and meets the needs of different situations. Secondly, the moving centering clamping structure 5 follows the movement of the second chuck 4 to realize gradual closing from front to back, so that when the chuck is clamped, the problem of tube deviation caused by excessive chuck bearing capacity due to the excessive length of the tube will not be caused, thereby improving the chuck bearing capacity and maintaining stable movement of the tube.

[0040] According to the above, the mobile centering clamping structure 5 can be specifically referred to Figure 2 、 Figure 13 、 Figure 14 、 Figure 15It can be seen that the mobile centering clamping structure 5 includes an auxiliary mobile structure and a centering clamping structure, wherein the auxiliary mobile structure includes a mounting plate 501, a long tooth 502, a slide rail 503, a first servo motor 504, and a roller 505; the mounting plate 501 is mounted on the inner side of the machine tool bed 1, and a mobile plate is provided on the rear side of the mounting plate 501, on which the long tooth 502 and the slide rail 503 are symmetrically mounted, and a first servo motor 504 is installed on one side of the mounting plate 501, and a tooth is connected to the output end of the first servo motor 504. Wheel, the gear and the long teeth 502 form a gear connection and drive the movable plate to move upward or downward, wherein the centering clamping structure is installed on the other side of the movable plate, and a roller 505 is installed at the upper end of the movable plate. When the pipe is moved to the upper middle part of the machine tool bed 1 through the automatic or semi-automatic feeding structure, the first servo motor 504 is started at this time to drive the movable plate to move upward through the gear and the long teeth 502, thereby making the roller 505 support the pipe, lift the pipe from the feeding structure, and then center it through the centering clamping structure.

[0041] According to the above, the centering clamping structure can be specifically referred to Figure 2 、 Figure 13 、 Figure 14 、 Figure 15 It can be seen that the centering clamping structure includes a first cylinder 506, a movable plate 507, a second cylinder 508, a connecting rod 509, and a centering clamping roller 510; the first cylinder 506 is installed at the bottom of one side of the movable plate, and the movable plate 507 is installed at the telescopic end of the first cylinder 506. The second cylinder 508 is installed on the movable plate 507, and a guide rail slider is provided in the middle and upper part of the surface of the movable plate 507. The telescopic end of the second cylinder 508 is connected to the slider, and a connecting rod 509 is movably installed on the slider. The centering clamping roller 510 is symmetrically and movably connected to the guide rail slider at the upper part, and the centering clamping roller 510 is movably connected to the connecting rod 509. When the first servo motor 504 is started, its first cylinder 506 moves together. At this time, the centering clamping roller 510 is driven to move inward by the action of the second cylinder 508 and the connecting rod 509, thereby centering the pipe.

[0042] According to the above, the first feeding structure can be specifically referred to Figure 1 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 、 Figure 8It can be seen that the first loading structure includes a material storage frame 811, a side mounting plate 812, a fifth rotating shaft 813, a fifth dual-axis servo motor 814, a first reel 815, a material winding belt 816, and a second reel 817; the material storage frame 811 is located at the rear side of the side mounting plate 812, and a fifth dual-axis servo motor 814 is installed on one set of the side mounting plates 812, and the dual output ends of the fifth dual-axis servo motor 814 are connected to the fifth rotating shaft 813, and a first reel 815 is also provided on the side mounting plate 812, and the first reel 815 is connected to the fifth rotating shaft 813, and the side mounting plate 812 A second reel 817 is installed at the upper end, and a clamping shaft is installed at the upper end of the material storage frame 811. A winding belt 816 is connected to the surface of the clamping shaft and is fixedly connected to the surface of the first reel 815 through the second reel 817. An automatic feeding structure is provided on one side of the side mounting plate 812. Through the automatic loading structure, the tubes are stored on the winding belt 816 at this time, and the fifth rotating shaft 813 is driven to rotate by the fifth dual-axis servo motor 814, thereby driving the first reel 815 to rotate, thereby winding the winding belt 816, driving the tube to move upward, and making the tube move to the automatic feeding structure.

[0043] In order to prevent the coil 816 from becoming loose when there is no tube in the coil, please refer to Figure 5 It can be seen that a counterweight is provided on the surface of the coiled material belt 816 .

[0044] According to the above, the automatic feeding structure can be specifically referred to Figure 5 、 Figure 7 、 Figure 8 、 Figure 9It can be seen that the automatic feeding structure includes a second chassis 801, a second crossbeam 802, an L-shaped mounting plate 804, a third dual-axis servo motor 805, a fourth dual-axis servo motor 806, a third rotating shaft 807, a fourth rotating shaft 808, a second loading arm 809, a transmission gear 810, a first gear 821, a second gear 822, and a second transmission chain 823; the second chassis 801 is arranged on the left side of the machine tool bed 1, and the second crossbeam 802 is connected to the second chassis 801. In one group of the second chassis 8 01 is respectively mounted with a third dual-axis servo motor 805 and a fourth dual-axis servo motor 806 through an L-shaped mounting plate 804, and the dual output ends of the third dual-axis servo motor 805 are connected to the third rotating shaft 807, and the dual output ends of the fourth dual-axis servo motor 806 are connected to the fourth rotating shaft 808. A transmission gear 810 is mounted on the surface of the third rotating shaft 807, and a slider 824 is mounted on the front side of the second crossbeam 802. A guide rail is provided on the surface of the slider 824, and one side of the guide rail is connected to the second loading arm 8 09, the lower end of the second loading arm 809 is provided with a long tooth, which is connected to the transmission gear 810. Secondly, a first gear 821 is symmetrically provided inside the second beam 802, and the first gear 821 is connected to the third shaft 807. A second gear 822 is provided inside the second chassis 801, and the second gear 822 is connected to the fourth shaft 808. A second transmission chain 823 is provided on the surface of the first gear 821 and the second gear 822. A pusher is installed on one side of the second beam 802. Structure, when the official enters the automatic feeding structure, the third dual-axis servo motor 805 and the fourth dual-axis servo motor 806 respectively drive the third rotating shaft 807 and the fourth rotating shaft 808 to rotate, and when rotating, the second loading arm 809 is driven to move through the transmission gear 810. When moving, since the third dual-axis servo motor 805 and the fourth dual-axis servo motor 806 run synchronously, the first gear 821 rotates at this time, thereby driving the second transmission chain 823 to move, so that its tube enters the pushing structure.

[0045] According to the above, the pusher structure can be found in Figure 6 It can be seen that the pushing structure includes a stroke sensor 803, a pushing plate 818, a third cylinder 819, and a blanking plate 820; the stroke sensor 803 is installed on one side of the second loading arm 809, and the blanking plate 820 is installed at the front end of the second loading arm 809, and the third cylinder 819 is installed on one side of the second beam 802, and the telescopic end of the third cylinder 819 is connected to the pushing plate 818. When the official enters the pushing structure, the tube contacts the row sensor 803, and then the pushing plate 818 is pushed upward by the third cylinder 819, pushing the tube from the pushing structure to the movable centering clamping structure 5.

[0046] For details on the feeding structure, please refer to Figure 9 、 Figure 10 、 Figure 11 、 Figure 12 It can be seen that the second loading structure includes a first base frame 701, a first crossbeam 702, a first double-axis servo motor 703, a second double-axis servo motor 704, a first rotating shaft 705, a second rotating shaft 706, and a first transmission chain 707; its first base frame 701 is located on the right side of the machine tool bed 1, and the first crossbeam 702 is installed on the first base frame 701, wherein a first double-axis servo motor 703 and a second double-axis servo motor 704 are installed on one group of the first base frames 701, the first double-axis servo motor 703 has two output ends connected to the second rotating shaft 706, and the second double-axis servo motor 704 has two output ends connected to the first rotating shaft 705. The first base frame 701 and the inner side surfaces of the first crossbeam 702 are both connected to gears, and the gear located at the first base frame 701 is connected to the second rotating shaft 706. A first transmission chain 707 is provided on the gear. In order to meet the clamping requirements of different pipes, a protrusion is also installed on the first transmission chain 707. For details, please refer to Figure 12 It can be seen that this can adjust the distance between two adjacent groups of protrusions, thereby meeting the clamping needs of tubes of different sizes and preventing the tubes from moving on the first transmission chain 707 during transportation. The second loading structure is similar to the automatic feeding structure in the automatic loading structure 8, and is mainly driven by two groups of servo motors to rotate the first rotating shaft 705 and the second rotating shaft 706, thereby driving the feeding mechanism to move and the first transmission chain 707 to move, thereby driving the movement of the tube.

[0047] According to the above, the feed structure can be specifically referred to Figure 9 and Figure 12 It can be seen that the feeding structure includes a first loading arm 708, which is consistent with the automatic feeding structure at the semi-automatic loading structure 7. The first loading arm 708 is consistent with the second loading arm 809 in the automatic loading structure 8. Both are driven by gears and cooperate with long teeth to achieve movement, and then move to the middle above the machine tool bed 1, so as to facilitate the movement of the centering clamping structure 5 for extraction.

[0048] In order to protect the chuck machine laser cutting structure 3 during operation, please refer to Figure 1 It can be seen that a protective plate 6 is further provided on the machine tool bed 1, and the protective plate 6 wraps the chuck and the laser cutting structure 3. The chuck and the laser cutting structure 3 are existing structures, so they will not be introduced in detail.

[0049] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A laser tube cutting machine equipped with multiple feeding devices, comprising a machine bed (1), a first chuck (2), a chuck and laser cutting structure (3), a second chuck (4), a movable centering clamping structure (5), and a protective plate (6); the movable centering clamping structure (5) is mounted on the machine bed (1), and the first chuck (2) and the second chuck (4) are movable on the machine bed (1), characterized in that: An automatic loading structure (8) is installed on the left side of the machine tool bed (1), and a semi-automatic loading structure (7) is installed on the right side. Initially, the second chuck (4) is located at the front end of the machine tool bed (1), and when any one of the semi-automatic loading structure (7) and the automatic loading structure (8) feeds, the moving centering clamping structure (5) is started synchronously, and the moving centering clamping structure (5) follows the movement of the second chuck (4) to achieve gradual closing from front to back, wherein the automatic loading structure (8) includes a first loading structure, an automatic feeding structure and a pushing structure, the automatic feeding structure drives the material to extend toward the machine tool bed (1), the automatic loading structure drives the material to be transferred to the automatic feeding structure and pushed out of the automatic feeding structure through the pushing structure, the semi-automatic loading structure (7) includes a second loading structure and a feeding structure, the feeding structure extends to the middle of the machine tool bed (1), and the moving centering clamping structure (5) moves upward to drive the material and the center of the first chuck (2) and the second chuck (4) to be in the same horizontal plane.

2. The laser tube cutting machine equipped with multiple feeding devices according to claim 1, characterized in that: The movable centering clamping structure (5) comprises an auxiliary movable structure and a centering clamping structure, wherein the auxiliary movable structure comprises a mounting plate (501), long teeth (502), a slide rail (503), a first servo motor (504), and a roller (505); the mounting plate (501) is mounted on the inner side surface of the machine tool bed (1); a movable plate is provided on the rear side surface of the mounting plate (501); the long teeth (502) and the slide rail (503) are symmetrically mounted on the movable plate; a first servo motor (504) is mounted on one side of the mounting plate (501); a gear is connected to the output end of the first servo motor (504); the gear and the long teeth (502) form a gear connection and drive the movable plate to move upward or downward; the centering clamping structure is mounted on the other side surface of the movable plate; a roller (505) is mounted at the upper end of the movable plate.

3. The laser tube cutting machine equipped with multiple feeding devices according to claim 2, characterized in that: The centering clamping structure comprises a first cylinder (506), a movable plate (507), a second cylinder (508), a connecting rod (509), and a centering clamping roller (510); the first cylinder (506) is installed at the bottom of one side of the movable plate, the movable plate (507) is installed at the telescopic end of the first cylinder (506), the second cylinder (508) is installed on the movable plate (507), and a guide rail slider is provided at the middle and upper part of the surface of the movable plate (507), the telescopic end of the second cylinder (508) is connected to the slider, and the connecting rod (509) is movably installed on the slider, and the centering clamping roller (510) is symmetrically and movably connected to the guide rail slider at the upper part, and the centering clamping roller (510) is movably connected to the connecting rod (509).

4. The laser tube cutting machine equipped with multiple feeding devices according to claim 1, characterized in that: The first loading structure comprises a material storage frame (811), a side mounting plate (812), a fifth rotating shaft (813), a fifth dual-axis servo motor (814), a first reel (815), a material winding belt (816), and a second reel (817); the material storage frame (811) is located at the rear side of the side mounting plate (812), a fifth dual-axis servo motor (814) is installed on one set of the side mounting plates (812), and the dual output ends of the fifth dual-axis servo motor (814) are connected to the fifth rotating shaft (815). 13), a first reel (815) is also provided on the side mounting plate (812), the first reel (815) is connected to the fifth rotating shaft (813), a second reel (817) is installed at the upper end of the side mounting plate (812), a clamping shaft is installed at the upper end of the material storage frame (811), a coiling belt (816) is connected to the surface of the clamping shaft and is fixedly connected to the surface of the first reel (815) through the second reel (817), and an automatic feeding structure is provided on one side of the side mounting plate (812).

5. The laser tube cutting machine equipped with multiple feeding devices according to claim 4, characterized in that: A counterweight block is provided on the surface of the coiled material belt (816).

6. The laser tube cutting machine equipped with multiple feeding devices according to claim 1, characterized in that: The automatic feeding structure comprises a second base frame (801), a second crossbeam (802), an L-shaped mounting plate (804), a third double-axis servo motor (805), a fourth double-axis servo motor (806), a third rotating shaft (807), a fourth rotating shaft (808), a second loading arm (809), a transmission gear (810), a first gear (821), a second gear (822), and a second transmission chain (823); the second base frame (801) is arranged on the left side of the machine tool bed (1); the second crossbeam (802) is connected to the second base frame (801); the third double-axis servo motor (805) and the fourth double-axis servo motor (806) are respectively mounted on one group of the second base frames (801) via the L-shaped mounting plate (804); the third double-axis servo motor (805) has two output ends connected to the third rotating shaft (807); the fourth double-axis servo motor (806) has two output ends connected to the third rotating shaft (807); The end is connected to a fourth rotating shaft (808), a transmission gear (810) is installed on the surface of the third rotating shaft (807), a slider (824) is installed on the front side of the second crossbeam (802), and a guide rail is provided on the surface of the slider (824), and a second loading arm (809) is connected to one side of the guide rail. The lower end of the second loading arm (809) is provided with a long tooth, and the long tooth and the transmission gear (810) form a gear connection. Secondly, a first gear (821) is symmetrically provided inside the second crossbeam (802), the first gear (821) is connected to the third rotating shaft (807), a second gear (822) is provided inside the second base frame (801), the second gear (822) is connected to the fourth rotating shaft (808), and a second transmission chain (823) is provided on the surface of the first gear (821) and the second gear (822), and a pushing structure is installed on one side of the second crossbeam (802).

7. The laser tube cutting machine equipped with multiple feeding devices according to claim 1, characterized in that: The pushing structure includes a stroke sensor (803), a pushing plate (818), a third cylinder (819), and a blanking plate (820); the stroke sensor (803) is installed on one side of the second loading arm (809), and the blanking plate (820) is installed on the front end of the second loading arm (809); the third cylinder (819) is installed on one side of the second crossbeam (802), and the telescopic end of the third cylinder (819) is connected to the pushing plate (818).

8. The laser tube cutting machine equipped with multiple feeding devices according to claim 1, characterized in that: The second loading structure comprises a first base frame (701), a first crossbeam (702), a first dual-axis servo motor (703), a second dual-axis servo motor (704), a first rotating shaft (705), a second rotating shaft (706), and a first transmission chain (707); The first chassis (701) is located on the right side of the machine tool bed (1); a first crossbeam (702) is installed on the first chassis (701); a first double-axis servo motor (703) and a second double-axis servo motor (704) are installed on one group of the first chassis (701); the double output ends of the first double-axis servo motor (703) are connected to the second rotating shaft (706); the double output ends of the second double-axis servo motor (704) are connected to the first rotating shaft (705); the first chassis (701) and the inner side surface of the first crossbeam (702) are both connected to gears; the gear located on the first chassis (701) is connected to the second rotating shaft (706); and a first transmission chain (707) is provided on the gear.

9. The laser tube cutting machine equipped with multiple feeding devices according to claim 1, characterized in that: The feeding structure includes a first feeding arm (708), and the feeding structure is consistent with the automatic feeding structure at the semi-automatic feeding structure (7).

10. The laser tube cutting machine equipped with multiple feeding devices according to claim 1, characterized in that: A protective plate (6) is also provided on the machine tool bed (1), and the protective plate (6) wraps the chuck and the laser cutting structure (3).

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