High-precision laser steel structure cutting machine

Abstract

The invention discloses a high-precision laser steel structure cutting machine, which belongs to the field of laser cutting and comprises a working cutting table, a conveying belt for conveying steel structures with different shapes is arranged on the working cutting table, and laser cutting mechanisms with lifting, front-back and left-right moving functions are arranged on two sides of the conveying belt. An end fixing and clamping structure, a plate type fixing and clamping structure, an arc-shaped fixing and clamping mechanism and an angular fixing and clamping mechanism which have the functions of lifting, front-back moving and stretching are sequentially arranged on the two sides of the working cutting table. Steel structures of different shapes are clamped and fixed through the end fixing and clamping mechanism, the plate type fixing and clamping mechanism, the arc-shaped fixing and clamping mechanism and the angular fixing and clamping mechanism, the laser cutting machining stability is improved, meanwhile, the different clamping mechanisms can be matched with one another to be suitable for fixing the steel structures of various shapes, the applicability is wider, and the machining efficiency is improved. The mechanical arm is used for controlling the laser cutting head to conduct laser cutting, and the cutting precision is improved while complex cutting is completed.

Description

Technical Field

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

[0002] Laser cutting is a technology that uses a high-power density laser beam to irradiate the surface of a material, causing the material to melt, vaporize, or reach ignition point quickly, and then uses a high-speed airflow to blow away the molten material, thereby achieving material cutting. Its core principle is to generate extremely high energy density through a focused laser beam, heating the material to an extremely high temperature in a short period of time, causing the material to partially melt or evaporate.

[0003] In the laser cutting process of steel structures, due to the various shapes of steel structures, they need to be fixed before laser cutting to maintain the subsequent stable cutting process. Existing steel structure laser cutting machines usually perform fixed cutting on steel structures of fixed shapes. One steel structure laser cutting machine cannot cut and process steel structures of various shapes, which is inconvenient to use. Summary of the invention

[0004] The purpose of the present invention is to provide a high-precision laser steel structure cutting machine, which can clamp and fix steel structures of different shapes through an end fixing clamping mechanism, a plate fixing clamping mechanism, an arc fixing clamping mechanism, and an angle fixing clamping mechanism, thereby improving the stability of laser cutting processing. At the same time, different clamping mechanisms can cooperate with each other to fix steel structures of various shapes, and have wider applicability. A robotic arm is used to control the laser cutting head for laser cutting, which can complete complex cutting while improving cutting accuracy.

[0005] To achieve the above-mentioned purpose, the present invention provides a high-precision laser steel structure cutting machine, including a working cutting table, on which a conveyor belt for conveying steel structures of different shapes is arranged, and laser cutting mechanisms with lifting, forward, backward, left and right movement functions are arranged on both sides of the conveyor belt, and an end fixing clamping structure, a plate-type fixing clamping structure, an arc-shaped fixing clamping mechanism, and an angle-shaped fixing clamping mechanism with lifting, forward, backward, and left and right movement functions are arranged on both sides of the working cutting table in sequence.

[0006] Preferably, the end fixing and clamping structure includes a bracket 1 symmetrically arranged on both sides of the working cutting table, a top plate 1 parallel to the conveying direction of the conveyor belt is arranged on the top of the bracket 1, a motor 1 is arranged on the top plate 1, the output shaft of the motor 1 is connected with one end of a lead screw 1, the other end of the lead screw 1 passes through a moving block 1 and is connected with a bearing seat 1 arranged on the top plate 1, the lead screw 1 and the moving block 1 are connected by threads, an end slider is arranged at the bottom end of the moving block 1, an end slide groove matched with the end slider is arranged on the top plate 1, and the end slider is arranged in the end slide groove and is slidably connected to the end slide groove; An electric hydraulic cylinder 1 is arranged on the moving block 1, and a hydraulic rod of the electric hydraulic cylinder 1 penetrates the moving block 1 and is connected with the top of the lifting block 1. An electric hydraulic cylinder 2 is arranged on the side of the lifting block 1, and a hydraulic rod of the electric hydraulic cylinder 2 is connected with the end head assembly; The end head assembly comprises a connecting rod 1, a hydraulic rod of an electric hydraulic cylinder 2 is detachably connected to one end of the connecting rod 1, the other end of the connecting rod 1 is a end head, and a rubber head is arranged at the top end of the end head.

[0007] Preferably, the plate-type fixed clamping structure includes a bracket 2 symmetrically arranged on both sides of the working cutting table, a top plate 2 parallel to the conveying direction of the conveyor belt is arranged on the top of the bracket 2, a motor 2 is arranged on the top plate 2, the output shaft of the motor 2 is connected to one end of the lead screw 2, the other end of the lead screw 2 passes through the moving block 2 and is connected to the bearing seat 2 arranged on the top plate 2, the lead screw 2 is connected to the moving block 2 by a thread, a plate slider is arranged at the bottom end of the moving block 2, a plate slide groove matched with the plate slider is arranged on the top plate 2, and the plate slider is arranged in the plate slide groove and is slidably connected to the plate slide groove; An electric hydraulic cylinder 3 is arranged on the moving block 2, and the hydraulic rod of the electric hydraulic cylinder 3 penetrates the moving block 2 and is connected with the top of the lifting block 2. An electric hydraulic cylinder 4 is arranged on the side of the lifting block 2, and the hydraulic rod of the electric hydraulic cylinder 4 is connected with the plate assembly; The plate-type component comprises a connecting rod 2, a hydraulic rod of an electric hydraulic cylinder 4 is detachably connected to one end of the connecting rod 2, and the other end of the connecting rod 2 is a clamping plate, on which a rubber layer is arranged.

[0008] Preferably, the arc-shaped fixed clamping mechanism includes a bracket three symmetrically arranged on both sides of the working cutting table, a top plate three parallel to the conveying direction of the conveyor belt is arranged on the top of the bracket three, a motor three is arranged on the top plate three, the output shaft of the motor three is connected to one end of the lead screw three, the other end of the lead screw three passes through the moving block three and is connected to the bearing seat three arranged on the top plate three, the lead screw three is connected to the moving block three by a thread, the bottom end of the moving block three is provided with an arc slider, the top plate three is provided with an arc slide groove matched with the arc slider, the arc slider is arranged in the arc slide groove and is slidably connected to the arc slide groove; An electric hydraulic cylinder five is arranged on the moving block three, and the hydraulic rod of the electric hydraulic cylinder five penetrates the moving block three and is connected with the top of the lifting block three. An electric hydraulic cylinder six is ​​arranged on the side of the lifting block three, and the hydraulic rod of the electric hydraulic cylinder six is ​​connected with the arc component; The arc component comprises a connecting rod 3, a hydraulic rod of an electric hydraulic cylinder 6 is detachably connected to one end of the connecting rod 3, and the other end of the connecting rod 3 is an arc plate, on which a rubber layer is arranged.

[0009] Preferably, the angle fixing clamping mechanism comprises a bracket four symmetrically arranged on both sides of the working cutting table, a top plate four parallel to the conveying direction of the conveyor belt is arranged on the top of the bracket four, a motor four is arranged on the top plate four, the output shaft of the motor four is connected to one end of the lead screw four, the other end of the lead screw four passes through the moving block four and is connected to the bearing seat four arranged on the top plate four, the lead screw four is connected to the moving block four by a threaded connection, an angle slider is arranged at the bottom end of the moving block four, an angle slide groove matched with the angle slider is arranged on the top plate four, and the arc slider is arranged in the angle slide groove and is slidably connected to the angle slide groove; An electric hydraulic cylinder 7 is arranged on the moving block 4, and the hydraulic rod of the electric hydraulic cylinder 7 penetrates the moving block 4 and is connected with the top of the lifting block 4. An electric hydraulic cylinder 8 is arranged on the side of the lifting block 4, and the hydraulic rod of the electric hydraulic cylinder 8 is connected with the angle component; The angle component includes a connecting rod four, the hydraulic rod of the electric hydraulic cylinder six is ​​detachably connected to one end of the connecting rod four, the other end of the connecting rod four is an angle plate, the angle plate includes a rectangular plate one and a rectangular plate two, the rectangular plate one is connected to the rectangular plate two, and a rubber layer is provided on the rectangular plate one and the rectangular plate two.

[0010] Preferably, the laser cutting mechanism includes support frames arranged at both ends of the working cutting table, the support frames are connected to the working cutting table through a lifting structure, a crossbeam is arranged at the top of the support frame, and the crossbeam is connected to the mechanical arm through a movable structure.

[0011] Preferably, the lifting structure includes an electric hydraulic cylinder nine, which is arranged on the working cutting table, and the hydraulic rod of the electric hydraulic cylinder nine is connected to the bottom end of the support frame.

[0012] Preferably, the movable structure includes a motor five symmetrically arranged at the top of the beam, the output shaft of the motor five is connected to one end of the screw five, the other end of the screw five passes through the movable block five and is connected to the bearing seat five arranged on the beam, and the screw five and the movable block five are connected by threads.

[0013] Preferably, a sliding block is provided at the bottom end of the moving block five, a sliding groove matched with the sliding block is provided on the crossbeam, the sliding block is arranged in the sliding groove and is slidably connected with the sliding groove, and a linear motor is provided on the moving block five for driving the robotic arm to move forward and backward.

[0014] Preferably, the robotic arm is a six-degree-of-freedom robotic arm, the robotic arm is invertedly mounted on the linear motor, and a laser welding head is provided at the end of the robotic arm.

[0015] Therefore, the present invention adopts a high-precision laser steel structure cutting machine of the above structure, which has the following beneficial effects: (1) The present invention clamps and fixes steel structures of different shapes through an end fixing clamping mechanism, a plate fixing clamping mechanism, an arc fixing clamping mechanism, and an angle fixing clamping mechanism, thereby improving the stability of laser cutting processing. At the same time, different clamping mechanisms can cooperate with each other to fix steel structures of various shapes, and have wider applicability; (2) The present invention uses a six-degree-of-freedom robotic arm to control the laser cutting head for laser cutting, thereby completing complex cutting while improving cutting accuracy.

[0016] (3) The end fixing clamping mechanism, plate fixing clamping mechanism, arc fixing clamping mechanism and angle fixing clamping mechanism adopted by the present invention all utilize an electric hydraulic cylinder arranged at the top to realize lifting and lowering, and utilize an electric hydraulic cylinder to realize forward extension clamping and fixing. It is possible to realize forward extension clamping and fixing of clamping structures of different shapes at the same height. At the same height, there will be no mutual obstruction and influence, which is more convenient to use.

[0017] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of an embodiment of a high-precision laser steel structure cutting machine of the present invention; Figure 2 This is a schematic diagram of the structure of an end head assembly of an embodiment of a high-precision laser steel structure cutting machine of the present invention; Figure 3 A schematic diagram of the plate-type component structure of an embodiment of a high-precision laser steel structure cutting machine of the present invention; Figure 4 This is a schematic diagram of the arc component structure of an embodiment of a high-precision laser steel structure cutting machine of the present invention; Figure 5 This is a schematic diagram of the structure of an angle component of an embodiment of a high-precision laser steel structure cutting machine of the present invention; Figure 6 This is a schematic diagram of the installation of a mechanical arm of an embodiment of a high-precision laser steel structure cutting machine of the present invention.

[0019] Reference numerals 1. Working cutting table; 2. Conveyor belt; 3. Bracket 1; 4. Top plate 1; 5. Motor 1; 6. Screw 1; 7. Moving block 1; 8. Bearing seat 1; 9. Electric hydraulic cylinder 1; 10. Electric hydraulic cylinder 2; 11. Lifting block 1; 12. Connecting rod 1; 13. End; 14. Bracket 2; 15. Top plate 2; 16. Motor 2; 17. Screw 2; 18. Moving block 2; 19. Bearing seat 2; 20. Electric hydraulic cylinder 3; 21. Electric hydraulic cylinder 4; 22. Lifting block 2; 23. Connecting rod 2; 24. Clamping plate; 25. Bracket 3; 26. Top plate 3; 27. Motor 3; 28. Screw 3; 29. ​​Moving block 3; 30. Shaft Bearing seat three; 31. Electric hydraulic cylinder five; 32. Electric hydraulic cylinder six; 33. Lifting block three; 34. Connecting rod three; 35. Arc plate; 36. Bracket four; 37. Top plate four; 38. Motor four; 39. Screw four; 40. Moving block four; 41. Bearing seat four; 42. Electric hydraulic cylinder seven; 43. Electric hydraulic cylinder eight; 44. Lifting block four; 45. Connecting rod four; 46. Rectangular plate one; 47. Rectangular plate two; 48. Support frame; 49. Crossbeam; 50. Electric hydraulic cylinder nine; 51. Motor five; 52. Screw five; 53. Bearing seat five; 54. Moving block five; 55. Linear motor; 56. Robot arm; 57. Laser cutting head. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages disclosed in the embodiments of the present invention clearer, the embodiments of the present invention are further described in detail in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the embodiments of the present invention and are not intended to limit the embodiments of the present invention. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application. Examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions.

[0021] It should be noted that the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product or server that includes a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units that are not explicitly listed or inherent to these processes, methods, products or devices.

[0022] Like reference numerals and letters denote similar items in the following drawings, and thus, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0023] In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are directions or positional relationships in which the product of the invention is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0024] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "setting", "installation" and "connection" 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 it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] Example like Figure 1 As shown, a high-precision laser steel structure cutting machine according to the present invention comprises a working cutting table 1, on which a conveyor belt 2 for conveying steel structures of different shapes is arranged. On both sides of the working cutting table 1, a terminal 13 fixing clamping structure with lifting, forward and backward movement, and telescopic functions, a plate-type fixing clamping structure, an arc-shaped fixing clamping mechanism, and an angle-shaped fixing clamping mechanism are sequentially arranged.

[0026] The fixing and clamping structure of the end head 13 includes a bracket 3 symmetrically arranged on both sides of the working cutting table 1, and a top plate 4 parallel to the conveying direction of the conveyor belt 2 is arranged on the top of the bracket 3. A motor 5 is arranged on the top plate 4, and the output shaft of the motor 5 is connected to one end of a lead screw 6. The other end of the lead screw 6 passes through a moving block 7 and is connected to a bearing seat 8 arranged on the top plate 4, and the lead screw 6 is connected to the moving block 7 through a thread. A terminal 13 slider is arranged at the bottom end of the moving block 7, and a terminal 13 slide groove matched with the terminal 13 slider is arranged on the top plate 4. The terminal 13 slider is arranged in the terminal 13 slide groove and is slidably connected with the terminal 13 slide groove. An electric hydraulic cylinder 9 is arranged on the moving block 7, and the hydraulic rod of the electric hydraulic cylinder 9 passes through the moving block 7 and is connected to the top of the lifting block 11. An electric hydraulic cylinder 2 10 is arranged on the side of the lifting block 11, and the hydraulic rod of the electric hydraulic cylinder 2 10 is connected to the end head 13 assembly. As shown in FIG. Figure 2 As shown, the end cap 13 assembly includes a connecting rod 12, the hydraulic rod of the electric hydraulic cylinder 10 is detachably connected to one end of the connecting rod 12, the other end of the connecting rod 12 is the end cap 13, and a rubber head is provided at the top of the end cap 13.

[0027] The plate-type fixed clamping structure includes a bracket 14 symmetrically arranged on both sides of the working cutting table 1, and a top plate 15 parallel to the conveying direction of the conveyor belt 2 is arranged on the top of the bracket 14. A motor 16 is arranged on the top plate 15, and the output shaft of the motor 16 is connected to one end of a screw 17. The other end of the screw 17 passes through a moving block 18 and is connected to a bearing seat 19 arranged on the top plate 15. The screw 17 and the moving block 18 are connected by threads. A plate slider is arranged at the bottom end of the moving block 18, and a plate slide groove matched with the plate slider is arranged on the top plate 15. The plate slider is arranged in the plate slide groove and is slidably connected with the plate slide groove. An electric hydraulic cylinder 3 20 is arranged on the moving block 18, and the hydraulic rod of the electric hydraulic cylinder 3 20 passes through the moving block 18 and is connected to the top of the lifting block 22. An electric hydraulic cylinder 4 21 is arranged on the side of the lifting block 22, and the hydraulic rod of the electric hydraulic cylinder 4 21 is connected to the plate-type component. As shown in FIG. Figure 3 As shown, the plate assembly includes a connecting rod 23, the hydraulic rod of the electric hydraulic cylinder 21 is detachably connected to one end of the connecting rod 23, and the other end of the connecting rod 23 is a clamping plate 24, on which a rubber layer is provided.

[0028] The arc-shaped fixed clamping mechanism includes a bracket 3 25 symmetrically arranged on both sides of the working cutting table 1, and a top plate 3 26 parallel to the conveying direction of the conveyor belt 2 is arranged on the top of the bracket 3 25. A motor 3 27 is arranged on the top plate 3 26, and the output shaft of the motor 3 27 is connected to one end of a screw 3 28, and the other end of the screw 3 28 passes through a moving block 3 29 and is connected to a bearing seat 30 arranged on the top plate 3 26, and the screw 3 28 is connected to the moving block 3 29 by a thread. An arc slider is arranged at the bottom end of the moving block 3 29, and an arc slide groove matched with the arc slider is arranged on the top plate 3 26. The arc slider is arranged in the arc slide groove and is slidably connected with the arc slide groove. An electric hydraulic cylinder 5 31 is arranged on the moving block 3 29, and the hydraulic rod of the electric hydraulic cylinder 5 31 passes through the moving block 3 29 and is connected to the top of the lifting block 3 33. An electric hydraulic cylinder 6 32 is arranged on the side of the lifting block 3 33, and the hydraulic rod of the electric hydraulic cylinder 6 32 is connected to the arc component. As shown in FIG. Figure 4 As shown, the arc component includes a connecting rod three 34, the hydraulic rod of the electric hydraulic cylinder six 32 is detachably connected to one end of the connecting rod three 34, and the other end of the connecting rod three 34 is an arc plate 35, on which a rubber layer is provided.

[0029] The angle fixing clamping mechanism includes a bracket four 36 symmetrically arranged on both sides of the working cutting table 1, and a top plate four 37 parallel to the conveying direction of the conveyor belt 2 is arranged at the top of the bracket four 36. A motor four 38 is arranged on the top plate four 37, and the output shaft of the motor four 38 is connected to one end of a screw four 39. The other end of the screw four 39 passes through a moving block four 40 and is connected to a bearing seat four 41 arranged on the top plate four 37. The screw four 39 is connected to the moving block four 40 by a thread. An angle slider is arranged at the bottom end of the moving block four 40, and an angle slide groove matched with the angle slider is arranged on the top plate four 37. The arc slider is arranged in the angle slide groove and is slidably connected with the angle slide groove. An electric hydraulic cylinder seven 42 is arranged on the moving block four 40, and the hydraulic rod of the electric hydraulic cylinder seven 42 passes through the moving block four 40 and is connected to the top of the lifting block four 44. An electric hydraulic cylinder eight 43 is arranged on the side of the lifting block four 44, and the hydraulic rod of the electric hydraulic cylinder eight 43 is connected to the angle component. As shown in FIG. Figure 5 As shown, the angle assembly includes a connecting rod four 45, the hydraulic rod of the electric hydraulic cylinder six 32 is detachably connected to one end of the connecting rod four 45, the other end of the connecting rod four 45 is an angle plate, the angle plate includes a rectangular plate one 46 and a rectangular plate two 47, the rectangular plate one 46 is connected to the rectangular plate two 47, and a rubber layer is provided on the rectangular plate one 46 and the rectangular plate two 47.

[0030] The connecting rod 12, the connecting rod 23, the connecting rod 34, and the connecting rod 45 are all detachable, and the detachable connection is realized by threads. Different clamping structures can be replaced, clamping plates 24 of different lengths and widths can be replaced, arc plates 35 of different curvatures can be replaced, and angle plates of different angles can be replaced. The end head 13 slider, plate slider, arc slider, and angle slider are all bar-shaped protrusions.

[0031] The motor 15 drives the moving block 17 to move through the lead screw 16 to achieve the left and right movement of the end 13, the electric hydraulic cylinder 19 drives the lifting block 11 to move up and down to achieve the lifting and down of the end 13, and the electric hydraulic cylinder 210 drives the connecting rod 12 to move to achieve the extension and retraction of the end 13, so as to clamp the steel structure. The motor 216 drives the moving block 218 to move through the lead screw 217 to achieve the left and right movement of the clamping plate 24, the electric hydraulic cylinder 320 drives the lifting block 22 to move up and down to achieve the lifting and down of the clamping plate 24, and the electric hydraulic cylinder 421 drives the connecting rod 23 to move to achieve the extension and retraction of the clamping plate 24, so as to clamp the steel structure. The motor 327 drives the moving block 329 to move through the lead screw 328 to achieve the left and right movement of the arc plate 35, the electric hydraulic cylinder 531 drives the lifting block 33 to move up and down to achieve the lifting and down of the arc plate 35, and the electric hydraulic cylinder 632 drives the connecting rod 334 to move to achieve the extension and retraction of the arc plate 35, so as to clamp the steel structure. The motor 438 drives the moving block 440 to move through the screw 439 to realize the left and right movement of the angle plate, the electric hydraulic cylinder 742 drives the lifting block 44 to lift and lower to realize the lifting and lowering of the angle plate, and the electric hydraulic cylinder 843 drives the connecting rod 445 to move to realize the extension and retraction of the angle plate, thereby clamping the steel structure.

[0032] Laser cutting mechanisms with lifting, forward, backward, left and right movement functions are provided on both sides of the conveyor belt 2. The laser cutting mechanism includes a support frame 48 provided at both ends of the working cutting table 1, the support frame 48 is connected to the working cutting table 1 through a lifting structure, a crossbeam 49 is provided at the top of the support frame 48, and the crossbeam 49 is connected to the mechanical arm 56 through a moving structure. The lifting structure includes an electric hydraulic cylinder 950, the electric hydraulic cylinder 950 is provided on the working cutting table 1, and the hydraulic rod of the electric hydraulic cylinder 950 is connected to the bottom end of the support frame 48. The moving structure includes a motor 51 symmetrically provided at the top of the crossbeam 49, and the output shaft of the motor 551 is connected to one end of a lead screw 552. The other end of the lead screw 552 passes through a moving block 554 and is connected to a bearing seat 553 provided on the crossbeam 49, and the lead screw 552 is connected to the moving block 554 by a thread. The bottom end of the moving block 54 is provided with a sliding block, and the cross beam 49 is provided with a sliding groove adapted to the sliding block. The sliding block is arranged in the sliding groove and is slidably connected to the sliding groove. The moving block 54 is provided with a linear motor 55 for driving the mechanical arm 56 to move forward and backward. Figure 6 As shown, the robot arm 56 is a six-degree-of-freedom robot arm 56 , the robot arm 56 is invertedly mounted on the linear motor 55 , and the end 13 of the robot arm 56 is provided with a laser welding head.

[0033] The six-degree-of-freedom robot arm 56 adopts an existing structure, and its six degrees of freedom are: Rotation axis: the base rotation axis of the robot arm 56, allowing the robot arm 56 to perform rotational movement in a horizontal plane; Lower arm axis: The second joint of the robot arm 56, which allows the lower arm to swing up and down in the vertical plane; Upper arm axis: The third joint of the robot arm 56, which allows the upper arm to swing up and down in the vertical plane; Wrist rotation axis: the fourth joint of the robot arm 56, allowing the wrist to perform rotational movement; Wrist swing axis: The fifth joint of the robot arm 56, which allows the wrist to swing in the vertical plane; Wrist rotation axis: The sixth joint of the robot arm 56, allowing the wrist to perform rotational movement.

[0034] When in use, the steel structure workpiece is clamped by the end 13 fixed clamping mechanism, plate-type fixed clamping mechanism, arc-shaped fixed clamping mechanism, angle-shaped fixed clamping mechanism or any combination thereof according to the shape of the steel structure on the conveyor belt 2. Then, the upper computer adjusts the height of the mechanical arm 56 according to the cutting shape, and the mechanical arm 56 moves left and right and forward and backward. The mechanical arm 56 drives the laser to continue the steel structure laser cutting to complete the complex cutting task.

[0035] Therefore, the present invention adopts a high-precision laser steel structure cutting machine of the above structure, which clamps and fixes steel structures of different shapes through the end head 13 fixing clamping mechanism, plate-type fixing clamping mechanism, arc-shaped fixing clamping mechanism, and angle-shaped fixing clamping mechanism, thereby improving the stability of laser cutting processing. At the same time, different clamping mechanisms can cooperate with each other to fix steel structures of various shapes, and have wider applicability. A mechanical arm 56 is used to control the laser cutting head 57 for laser cutting, thereby completing complex cutting while improving cutting accuracy.

[0036] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that they can still modify or replace the technical solution of the present invention with equivalents, and these modifications or equivalent replacements cannot cause the modified technical solution to deviate from the spirit and scope of the technical solution of the present invention.

Claims

1. A high-precision laser steel structure cutting machine, characterized by: It includes a working cutting table, on which a conveyor belt for conveying steel structures of different shapes is arranged, and laser cutting mechanisms with lifting, forward, backward, left and right movement functions are arranged on both sides of the conveyor belt. An end fixing clamping structure, a plate-type fixing clamping structure, an arc-shaped fixing clamping mechanism, and an angle-shaped fixing clamping mechanism with lifting, forward, backward, and telescopic functions are arranged in sequence on both sides of the working cutting table.

2. The high-precision laser steel structure cutting machine according to claim 1, characterized in that: The end fixing and clamping structure includes a bracket 1 symmetrically arranged on both sides of the working cutting table, a top plate 1 parallel to the conveying direction of the conveyor belt is arranged on the top of the bracket 1, a motor 1 is arranged on the top plate 1, the output shaft of the motor 1 is connected with one end of a lead screw 1, the other end of the lead screw 1 passes through a moving block 1 and is connected with a bearing seat 1 arranged on the top plate 1, the lead screw 1 and the moving block 1 are connected by threads, an end slider is arranged at the bottom end of the moving block 1, an end slide groove matched with the end slider is arranged on the top plate 1, and the end slider is arranged in the end slide groove and is slidably connected to the end slide groove; An electric hydraulic cylinder 1 is arranged on the moving block 1, and a hydraulic rod of the electric hydraulic cylinder 1 penetrates the moving block 1 and is connected with the top of the lifting block 1. An electric hydraulic cylinder 2 is arranged on the side of the lifting block 1, and a hydraulic rod of the electric hydraulic cylinder 2 is connected with the end head assembly; The end head assembly comprises a connecting rod 1, a hydraulic rod of an electric hydraulic cylinder 2 is detachably connected to one end of the connecting rod 1, the other end of the connecting rod 1 is a end head, and a rubber head is arranged at the top end of the end head.

3. The high-precision laser steel structure cutting machine according to claim 1 is characterized in that: The plate-type fixed clamping structure includes two brackets symmetrically arranged on both sides of the working cutting table, a top plate two parallel to the conveying direction of the conveyor belt is arranged on the top of the two brackets, a motor two is arranged on the two top plates, an output shaft of the two motors is connected with one end of the two lead screws, the other end of the two lead screws penetrates the two moving blocks and is connected with the two bearing seats arranged on the two top plates, the two lead screws are connected with the two moving blocks by threads, a plate slider is arranged at the bottom end of the two moving blocks, a plate slide groove matched with the plate slider is arranged on the two top plates, the plate slider is arranged in the plate slide groove and is slidably connected with the plate slide groove; An electric hydraulic cylinder 3 is arranged on the moving block 2, and the hydraulic rod of the electric hydraulic cylinder 3 penetrates the moving block 2 and is connected with the top of the lifting block 2. An electric hydraulic cylinder 4 is arranged on the side of the lifting block 2, and the hydraulic rod of the electric hydraulic cylinder 4 is connected with the plate assembly; The plate-type component comprises a connecting rod 2, a hydraulic rod of an electric hydraulic cylinder 4 is detachably connected to one end of the connecting rod 2, and the other end of the connecting rod 2 is a clamping plate, on which a rubber layer is arranged.

4. The high-precision laser steel structure cutting machine according to claim 1, characterized in that: The arc-shaped fixed clamping mechanism includes a bracket three symmetrically arranged on both sides of the working cutting table, a top plate three parallel to the conveying direction of the conveyor belt is arranged on the top of the bracket three, a motor three is arranged on the top plate three, the output shaft of the motor three is connected to one end of the lead screw three, the other end of the lead screw three passes through the moving block three and is connected to the bearing seat three arranged on the top plate three, the lead screw three is connected to the moving block three by threads, the bottom end of the moving block three is provided with an arc slider, the top plate three is provided with an arc slide groove matched with the arc slider, the arc slider is arranged in the arc slide groove and is slidably connected to the arc slide groove; An electric hydraulic cylinder five is arranged on the moving block three, and the hydraulic rod of the electric hydraulic cylinder five penetrates the moving block three and is connected with the top of the lifting block three. An electric hydraulic cylinder six is ​​arranged on the side of the lifting block three, and the hydraulic rod of the electric hydraulic cylinder six is ​​connected with the arc component; The arc component comprises a connecting rod 3, a hydraulic rod of an electric hydraulic cylinder 6 is detachably connected to one end of the connecting rod 3, and the other end of the connecting rod 3 is an arc plate, on which a rubber layer is arranged.

5. The high-precision laser steel structure cutting machine according to claim 1, characterized in that: The angle fixing clamping mechanism includes a bracket four symmetrically arranged on both sides of the working cutting table, a top plate four parallel to the conveying direction of the conveyor belt is arranged on the top of the bracket four, a motor four is arranged on the top plate four, the output shaft of the motor four is connected to one end of the lead screw four, the other end of the lead screw four passes through the moving block four and is connected to the bearing seat four arranged on the top plate four, the lead screw four is connected to the moving block four by a thread, the bottom end of the moving block four is provided with an angle slider, the top plate four is provided with an angle slide groove adapted to the angle slider, the arc slider is arranged in the angle slide groove and is slidably connected to the angle slide groove; An electric hydraulic cylinder 7 is arranged on the moving block 4, and the hydraulic rod of the electric hydraulic cylinder 7 penetrates the moving block 4 and is connected with the top of the lifting block 4. An electric hydraulic cylinder 8 is arranged on the side of the lifting block 4, and the hydraulic rod of the electric hydraulic cylinder 8 is connected with the angle component; The angle component includes a connecting rod four, the hydraulic rod of the electric hydraulic cylinder six is ​​detachably connected to one end of the connecting rod four, the other end of the connecting rod four is an angle plate, the angle plate includes a rectangular plate one and a rectangular plate two, the rectangular plate one is connected to the rectangular plate two, and a rubber layer is provided on the rectangular plate one and the rectangular plate two.

6. The high-precision laser steel structure cutting machine according to claim 1, characterized in that: The laser cutting mechanism includes support frames arranged at both ends of the working cutting table, the support frames are connected to the working cutting table through a lifting structure, a crossbeam is arranged on the top of the support frame, and the crossbeam is connected to the mechanical arm through a moving structure.

7. The high-precision laser steel structure cutting machine according to claim 6, characterized in that: The lifting structure comprises an electric hydraulic cylinder nine, which is arranged on the working cutting table, and a hydraulic rod of the electric hydraulic cylinder nine is connected to the bottom end of the supporting frame.

8. The high-precision laser steel structure cutting machine according to claim 7, characterized in that: The moving structure includes a motor 5 symmetrically arranged at the top of the beam, the output shaft of the motor 5 is connected to one end of the lead screw 5, the other end of the lead screw 5 passes through the moving block 5 and is connected to the bearing seat 5 arranged on the beam, and the lead screw 5 and the moving block 5 are connected by threads.

9. The high-precision laser steel structure cutting machine according to claim 8, characterized in that: A sliding block is arranged at the bottom end of the moving block five, a sliding groove matched with the sliding block is arranged on the crossbeam, the sliding block is arranged in the sliding groove and is slidably connected with the sliding groove, and a linear motor for driving the mechanical arm to move forward and backward is arranged on the moving block five.

10. The high-precision laser steel structure cutting machine according to claim 9, characterized in that: The robot arm adopts a six-degree-of-freedom robot arm, the robot arm is invertedly arranged on a linear motor, and a laser welding head is arranged at the end of the robot arm.

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