Intelligent laser welding device for teaching instrument machining

Abstract

The invention relates to the technical field of intelligent welding, and discloses an intelligent laser welding device for teaching instrument machining, which comprises a support frame, support legs are fixedly connected to the outer wall of the bottom of the support frame, a first double-shaft motor is fixedly connected to the inner wall of the support frame, and a first rotating shaft is fixedly connected to the output end of the first double-shaft motor; the laser welding device comprises a first double-shaft motor, the outer surface of the first double-shaft motor is fixedly sleeved with a fixing frame, the outer surface of the fixing frame is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a second rotating shaft, and the output end of the driving motor is provided with a welding mechanism. During welding, the two sides of the teaching instrument are clamped and fixed through the adjusting mechanism, then the baffle can effectively prevent welding slag from splashing all around during welding equipment operation, welding slag in a welding area is prevented from splashing to an external area, the yield of the teaching instrument is increased, and high-quality production of the teaching instrument is assisted.

Description

Technical Field

[0001] The present invention relates to the technical field of intelligent welding, and in particular to a laser intelligent welding device for processing teaching instruments. Background Art

[0002] The manufacturing of teaching instruments has increasingly stringent requirements on precision and quality. Traditional welding methods, such as arc welding and resistance welding, can no longer meet the needs of fine processing of teaching instruments due to their large heat-affected zones, rough welds, and difficulty in accurately controlling welding parameters. Laser intelligent welding technology, with its high-energy-density beam, can achieve extremely small heat-affected range, precise weld formation, and automated intelligent control. It can effectively solve the shortcomings of traditional welding, and has emerged in the processing of teaching instruments and has great application potential.

[0003] The patent application with application number CN202210441124.8 discloses an intelligent laser welding equipment including a frame, a laser welding assembly, a first conveying module, a second conveying module, a first fixture, a second fixture and a pre-pressing assembly. The laser welding assembly includes a multi-axis moving assembly installed on the frame and a laser welding head installed on the multi-axis moving assembly; the first conveying module and the second conveying module are spaced apart on the frame and both extend toward the laser welding assembly.

[0004] In summary, when carrying out laser welding operations in the manufacture of teaching instruments, welding slag is easily generated in the welding area of ​​the teaching instrument and splashes to the external area during the welding process. This situation is very likely to damage the appearance of the area outside the weld, thereby affecting the yield of the teaching instrument and is not conducive to the high-quality production of teaching instruments.

[0005] To this end, we proposed a laser intelligent welding device for teaching instrument processing. Summary of the invention

[0006] In view of the deficiencies in the prior art, the present invention provides a laser intelligent welding device for processing teaching instruments to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a laser intelligent welding device for processing teaching instruments, comprising a support frame, a bottom outer wall of the support frame is fixedly connected to a support foot, an inner wall of the support frame is fixedly connected to a first dual-axis motor, an output end of the first dual-axis motor is fixedly connected to a first rotating shaft, an outer surface of the first dual-axis motor is fixedly sleeved with a fixing frame, an outer surface of the fixing frame is fixedly connected to a drive motor, an output end of the drive motor is fixedly connected to a second rotating shaft, a welding mechanism is provided at the output end of the drive motor, and further comprising:

[0008] The adjusting mechanism includes a second sliding frame slidably connected to the first rotating shaft, the inner wall of the second sliding frame is provided with a second through hole, the outer wall of the second sliding frame is provided with a force plate, the outer wall of the force plate close to the second sliding frame is fixedly connected to a third fixed shaft, the end of the third fixed shaft away from the second sliding frame passes through the second sliding frame and is fixedly connected to a second limit block, the outer wall of the second limit block close to the force plate is fixedly connected to a second spring, the end of the second spring away from the second limit block is fixedly connected to the second sliding frame, the third fixed shaft is used to improve the stability of the force plate during the extruded sliding process, and the second spring is used to reset the force plate.

[0009] According to the above technical solution, the inner wall of the force-bearing plate is rotatably connected to a first rotating rod via a rotating shaft, the end of the first rotating rod away from the force-bearing plate is rotatably connected to a second sliding block via a rotating shaft, the second sliding block is slidably connected to the inner wall of the second through hole, and the force-bearing plate drives the second sliding block to slide on the inner wall of the second through hole with the help of the first rotating rod, and the second through hole is used to limit the sliding distance of the second sliding block.

[0010] According to the above technical solution, the inner wall of the end of the second sliding block away from the first rotating rod is rotatably connected to the second rotating rod via a rotating shaft, and the outer wall of the end of the second rotating rod away from the second sliding block is rotatably connected to the rotating frame via a rotating shaft, and the outer surface of the rotating frame is rotatably connected to the clamping plate via a rotating shaft, and the end of the rotating frame away from the clamping plate is rotatably connected to the second sliding frame, and the second rotating rod is pushed by the second sliding block to drive the rotating frame to flip, and the clamping plate is used to cooperate with the force plate to push the teaching instrument.

[0011] According to the above technical solution, the inner wall of one end of the clamping plate away from the rotating frame is rotatably connected to the second dual-axis motor through a rotating shaft, the output end of the second dual-axis motor passes through the clamping plate and is fixedly connected to the adjusting frame, the end of the clamping plate close to the rotating frame is fixedly connected to the third spring, the end of the third spring away from the clamping plate is fixedly connected to the rotating frame, the second dual-axis motor adjusts the teaching instrument through the adjusting frame, and the third spring is used to reset the clamping plate.

[0012] According to the above technical solution, the welding mechanism includes a first sliding frame slidably connected to the second rotating shaft, the inner wall of the first sliding frame is fixedly connected to a hydraulic rod, the output end of the hydraulic rod is fixedly connected to a welding device, the outer surface of the welding device is fixedly sleeved with a first connecting frame, the outer surface of the first connecting frame is provided with a first through hole, and a baffle is provided on the side of the first connecting frame close to the welding device, the baffle is used to prevent welding slag from splashing, and the welding device is used for teaching instrument laser welding operations.

[0013] According to the above technical solution, the top outer wall of the baffle is rotatably connected to an auxiliary rod via a rotating shaft, and the end of the auxiliary rod away from the baffle is rotatably connected to a first sliding block via a rotating shaft. The first sliding block is slidably connected to the inner wall of the first through hole, and the baffle pulls the first sliding block to slide on the inner wall of the first through hole through the auxiliary rod, and the first through hole limits the sliding distance of the first sliding block.

[0014] According to the above technical solution, the outer wall of one end of the baffle away from the auxiliary rod is fixedly connected to the second fixed shaft, the end of the second fixed shaft away from the baffle passes through the first connecting frame and is fixedly connected to the second connecting frame, the inner wall of the second connecting frame is rotatably connected to the roller via a rotating shaft, the outer wall of the baffle on the side close to the second fixed shaft is fixedly connected to the first spring, the end of the first spring away from the baffle is fixedly connected to the first connecting frame, the baffle is connected to the first sliding frame by means of the second fixed shaft and moves under the drive of the second fixed shaft, and the first spring is used for resetting the baffle.

[0015] According to the above technical solution, the top outer wall of the first connecting frame is fixedly connected with a first fixed shaft, the end of the first fixed shaft away from the first connecting frame passes through the first sliding frame and is fixedly connected with a first limit block, the inner wall of the first limit block is slidably connected with the outer surface of the hydraulic rod, the first connecting frame is used to enhance the stability of the welding equipment during movement with the help of the first fixed shaft, and the first limit block is used to limit the sliding distance of the first connecting frame in the vertical direction.

[0016] Compared with the prior art, the present invention provides a laser intelligent welding device for teaching instrument processing, which has the following beneficial effects:

[0017] 1. The present invention provides a laser intelligent welding device for processing teaching instruments. When performing laser welding operations for manufacturing teaching instruments, the two sides of the teaching instrument are first clamped and fixed by an adjustment mechanism. Subsequently, the baffle can effectively block the welding slag from splashing around during the operation of the welding equipment, and prevent the welding slag in the welding area from splashing to the external area, thereby improving the yield of the teaching instrument and facilitating the high-quality production of the teaching instrument.

[0018] 2. The present invention sets up a welding device. When the welding device carries out welding operation, the baffle contacts the outer surface of the teaching instrument with the help of a roller. The roller enables the baffle to move synchronously with the welding device. The roller squeezes the teaching instrument, thereby preventing the teaching instrument from being displaced during the operation of the welding device, thereby ensuring the accuracy and stability of the welding operation.

[0019] 3. The present invention sets an adjustment mechanism. The first dual-axis motor drives the second sliding frame on both sides of the first rotating axis to move accordingly according to the size and position of the teaching instrument, and applies pressure to the two ends of the teaching instrument away from the welding equipment and clamps them. When the roller drives the baffle to move on the teaching instrument, the teaching instrument will not be displaced even if it is squeezed by the roller, thereby ensuring the stability of the teaching instrument during the entire welding operation.

[0020] 4. The present invention provides a clamping plate and an adjustment frame. When the clamping plate contacts the teaching instrument, the third spring is squeezed, so that the clamping plate can be adaptively flipped according to the outer contour of the teaching instrument, thereby ensuring that the clamping plate can fit tightly and properly with the teaching instrument. The second dual-axis motor corrects the position and posture of both sides of the teaching instrument through the adjustment frame and applies auxiliary clamping force, which effectively improves the stability of the teaching instrument during welding operations and ensures smooth welding work. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall front structure of the present invention;

[0022] Figure 2 It is a schematic diagram of the overall front cross-sectional structure of the present invention;

[0023] Figure 3 It is a schematic diagram of the structure of the fixing frame and the welding mechanism of the present invention;

[0024] Figure 4 It is a schematic diagram of the welding mechanism structure of the present invention;

[0025] Figure 5 It is a schematic diagram of the structure of the regulating mechanism of the present invention;

[0026] Figure 6 It is a schematic diagram of the structure of the force-bearing plate and the clamping plate of the present invention;

[0027] Figure 7 It is a schematic diagram of the structure of the clamping plate and the adjusting frame of the present invention;

[0028] Figure 8 For the present invention Figure 2 Schematic diagram of the enlarged structure of A.

[0029] In the figure: 1, support frame; 2, support foot; 3, first dual-axis motor; 4, first rotating shaft; 5, fixed frame; 6, drive motor; 7, second rotating shaft; 8, welding mechanism; 801, first sliding frame; 802, hydraulic rod; 803, welding equipment; 804, first connecting frame; 805, first through hole; 806, first fixed shaft; 807, first limit block; 808, baffle; 809, auxiliary rod; 810, first sliding block; 811, second fixed shaft; 8 12. second connecting frame; 813. roller; 814. first spring; 9. adjusting mechanism; 901. second sliding frame; 902. second through hole; 903. force plate; 904. third fixed axis; 905. second limit block; 906. second spring; 907. first rotating rod; 908. second sliding block; 909. second rotating rod; 910. rotating frame; 911. clamping plate; 912. third spring; 913. second dual-axis motor; 914. adjusting frame. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0031] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0032] 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. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] Example 1: See Figure 1-Figure 4 The present invention provides a technical solution: a laser intelligent welding device for processing teaching instruments, comprising a support frame 1, a support foot 2 is fixedly connected to the bottom outer wall of the support frame 1, a first dual-axis motor 3 is fixedly connected to the inner wall of the support frame 1, a first rotating shaft 4 is fixedly connected to the output end of the first dual-axis motor 3, a fixing frame 5 is fixedly sleeved on the outer surface of the first dual-axis motor 3, a driving motor 6 is fixedly connected to the outer surface of the fixing frame 5, a second rotating shaft 7 is fixedly connected to the output end of the driving motor 6, a welding mechanism 8 is arranged at the output end of the driving motor 6, and also includes:

[0034] The adjusting mechanism 9 includes a second sliding frame 901 slidably connected to the first rotating shaft 4, a second through hole 902 is opened on the inner wall of the second sliding frame 901, a force plate 903 is arranged on the outer wall of the second sliding frame 901, a third fixed shaft 904 is fixedly connected to the outer wall of the force plate 903 close to the second sliding frame 901, an end of the third fixed shaft 904 away from the second sliding frame 901 passes through the second sliding frame 901 and is fixedly connected to a second limiting block 905, a second spring 906 is fixedly connected to the outer wall of the second limiting block 905 close to the force plate 903, an end of the second spring 906 away from the second limiting block 905 is fixedly connected to the second sliding frame 901, and the third fixed shaft 904 is used to increase the force plate 903 In order to ensure stability during the extruded sliding process, the second spring 906 is used to reset the force plate 903. When the teaching instrument performs laser welding operations, the dual-axis motor is started, and its output end drives the first rotating shaft 4 to start rotating. The rotating first rotating shaft 4 drives the second sliding frame 901 to slide, and the force plate 903 squeezes and positions the teaching instrument. After the force plate 903 contacts the teaching instrument, the force plate 903 will move to the side of the second sliding frame 901. The force plate 903 pushes the second limit block 905 with the help of the third fixed shaft 904, so that the second spring 906 is stretched, and the drive motor 6 also works synchronously, driving the welding mechanism 8 through the second rotating shaft 7 to advance toward the welding area of ​​the teaching instrument, thereby preparing for welding operations.

[0035] The welding mechanism 8 includes a first sliding frame 801 slidably connected to the second rotating shaft 7, the inner wall of the first sliding frame 801 is fixedly connected with a hydraulic rod 802, the output end of the hydraulic rod 802 is fixedly connected with a welding device 803, the outer surface of the welding device 803 is fixedly sleeved with a first connecting frame 804, the outer surface of the first connecting frame 804 is provided with a first through hole 805, and a baffle 808 is provided on the side of the first connecting frame 804 close to the welding device 803. When working, the driving motor 6 starts the second rotating shaft 7 to start rotating and pushes the welding mechanism 8 toward the welding area of ​​the teaching instrument. The hydraulic rod 802 works to push the welding device 803 to move closer to the weld area of ​​the teaching instrument. When the welding device 803 reaches the designated position, the welding operation is carried out on the weld area of ​​the teaching instrument. During this process, the baffles 808 arranged on both sides of the welding device 803 can effectively prevent the welding slag generated during the welding operation from splashing everywhere.

[0036] The top outer wall of the baffle 808 is rotatably connected to an auxiliary rod 809 via a rotating shaft. The end of the auxiliary rod 809 away from the baffle 808 is rotatably connected to a first sliding block 810 via a rotating shaft. The first sliding block 810 is slidably connected to the inner wall of the first through hole 805. Under the action of its own gravity, the baffle 808 moves toward the bottom of the first connecting frame 804. The baffle 808 pulls the first sliding block 810 to slide on the inner wall of the first through hole 805 through the auxiliary rod 809.

[0037] The outer wall of the end of the baffle 808 away from the auxiliary rod 809 is fixedly connected to the second fixed shaft 811, the end of the second fixed shaft 811 away from the baffle 808 passes through the first connecting frame 804 and is fixedly connected to the second connecting frame 812, the inner wall of the second connecting frame 812 is rotatably connected to the roller 813 through the rotating shaft, the outer wall of the side of the baffle 808 close to the second fixed shaft 811 is fixedly connected to the first spring 814, the end of the first spring 814 away from the baffle 808 is fixedly connected to the first connecting frame 804, and the baffle 808 is connected to the first sliding frame 801 by means of the second fixed shaft 811. , and moves under its drive, the first spring 814 is used to reset the baffle 808, when the welding equipment 803 moves toward the teaching instrument, the baffle 808 moves accordingly and contacts the outer surface of the teaching instrument through the roller 813, due to the interaction between the roller 813 and the surface of the teaching instrument, the second connecting frame 812 generates a force with the help of the second fixed shaft 811, so that the baffle 808 slides upward, and during the upward sliding process of the baffle 808, a pulling force is applied to the first spring 814 between it and the first connecting frame 804, so that the first spring 814 is stretched.

[0038] The top outer wall of the first connecting frame 804 is fixedly connected with a first fixed shaft 806, and the end of the first fixed shaft 806 away from the first connecting frame 804 passes through the first sliding frame 801 and is fixedly connected with a first limit block 807. When working, the hydraulic rod 802 pushes the welding equipment 803 to move toward the side of the teaching instrument. At this time, the first connecting frame 804 fixedly sleeved on the outer surface of the welding equipment 803 slides on the inner wall of the first sliding frame 801 through the first fixed shaft 806. At the same time, the first limit block 807 slides on the outer surface of the hydraulic rod 802, thereby enhancing the stability of the hydraulic rod 802 during the pushing process, ensuring that the welding equipment 803 smoothly approaches the teaching instrument and performs subsequent welding operations.

[0039] Example 2: Please refer to Figure 5-Figure 8On the basis of the first embodiment, the present invention provides a technical solution: the inner wall of the force-bearing plate 903 is rotatably connected to the first rotating rod 907 through a rotating shaft, and the end of the first rotating rod 907 away from the force-bearing plate 903 is rotatably connected to the second sliding block 908 through a rotating shaft, and the second sliding block 908 is slidably connected to the inner wall of the second through hole 902. During the period when the force-bearing plate 903 squeezes the teaching instrument, the force-bearing plate 903 will move toward the second sliding frame 901, and the force-bearing plate 903 generates a thrust with the help of the first rotating rod 907, pushing the second sliding block 908 to move on the inner wall of the second through hole 902.

[0040] The inner wall of one end of the second sliding block 908 away from the first rotating rod 907 is rotatably connected to the second rotating rod 909 through a rotating shaft, and the outer wall of the end of the second rotating rod 909 away from the second sliding block 908 is rotatably connected to the rotating frame 910 through a rotating shaft. The outer surface of the rotating frame 910 is rotatably connected to the clamping plate 911 through a rotating shaft. The end of the rotating frame 910 away from the clamping plate 911 is rotatably connected to the second sliding frame 901. When the second sliding block 908 is moved by the push of the first rotating rod 907, a squeezing force is applied to the rotating frame 910 by the second rotating rod 909. Under the action of this squeezing force, the rotating frame 910 rotates and flips around the connection part with the second sliding frame 901. As the rotating frame 910 rotates, it drives the clamping plate 911 to move synchronously, and then the clamping plate 911 is used to form an auxiliary support for the teaching instrument to ensure the stability of the teaching instrument during the welding operation.

[0041] The inner wall of one end of the clamping plate 911 away from the rotating frame 910 is rotatably connected to the second double-axis motor 913 through a rotating shaft, the output end of the second double-axis motor 913 passes through the clamping plate 911 and is fixedly connected to the adjusting frame 914, the end of the clamping plate 911 close to the rotating frame 910 is fixedly connected to the third spring 912, and the end of the third spring 912 away from the clamping plate 911 is fixedly connected to the rotating frame 910. When working, the clamping plate 911 approaches the teaching instrument and contacts it. During the contact process, the clamping plate 911 squeezes the third spring 912. Due to the deformation of the third spring 912 under force, the clamping plate 911 can be adaptively flipped according to the outer contour of the teaching instrument, thereby ensuring that the clamping plate 911 is in close and good contact with the teaching instrument. At the same time, the second double-axis motor 913 is started to drive the adjusting frame 914 to move, and the adjusting frame 914 adjusts the position and posture of both sides of the teaching instrument, and provides auxiliary clamping force, effectively enhancing the stability of the teaching instrument during welding operations.

[0042] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0043] Finally, it should be noted that the above description is only 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 can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A laser intelligent welding device for processing teaching instruments, comprising a support frame (1), the bottom outer wall of the support frame (1) is fixedly connected to a support foot (2), the inner wall of the support frame (1) is fixedly connected to a first dual-axis motor (3), the output end of the first dual-axis motor (3) is fixedly connected to a first rotating shaft (4), the outer surface of the first dual-axis motor (3) is fixedly sleeved with a fixing frame (5), the outer surface of the fixing frame (5) is fixedly connected to a driving motor (6), the output end of the driving motor (6) is fixedly connected to a second rotating shaft (7), and the output end of the driving motor (6) is provided with a welding mechanism (8), characterized in that: Also included are: The adjusting mechanism (9) comprises a second sliding frame (901) slidably connected to the first rotating shaft (4); the inner wall of the second sliding frame (901) is provided with a second through hole (902); the outer wall of the second sliding frame (901) is provided with a force-bearing plate (903); the outer wall of the force-bearing plate (903) on one side close to the second sliding frame (901) is fixedly connected to a third fixed shaft (904); the end of the third fixed shaft (904) away from the second sliding frame (901) passes through the second sliding frame (901); The movable frame (901) is fixedly connected to a second limit block (905); a second spring (906) is fixedly connected to an outer wall of a side of the second limit block (905) close to the force-bearing plate (903); an end of the second spring (906) away from the second limit block (905) is fixedly connected to the second sliding frame (901); the third fixed shaft (904) is used to improve the stability of the force-bearing plate (903) during the sliding process under compression; and the second spring (906) is used to reset the force-bearing plate (903).

2. The laser intelligent welding device for teaching instrument processing according to claim 1 is characterized in that: The inner wall of the force-bearing plate (903) is rotatably connected to a first rotating rod (907) via a rotating shaft; one end of the first rotating rod (907) away from the force-bearing plate (903) is rotatably connected to a second sliding block (908) via a rotating shaft; the second sliding block (908) is slidably connected to the inner wall of the second through hole (902); the force-bearing plate (903) drives the second sliding block (908) to slide on the inner wall of the second through hole (902) with the help of the first rotating rod (907); and the second through hole (902) is used to limit the sliding distance of the second sliding block (908).

3. The laser intelligent welding device for teaching instrument processing according to claim 2 is characterized in that: The inner wall of one end of the second sliding block (908) away from the first rotating rod (907) is rotatably connected to the second rotating rod (909) via a rotating shaft; the outer wall of one end of the second rotating rod (909) away from the second sliding block (908) is rotatably connected to the rotating frame (910) via a rotating shaft; the outer surface of the rotating frame (910) is rotatably connected to a clamping plate (911) via a rotating shaft; one end of the rotating frame (910) away from the clamping plate (911) is rotatably connected to the second sliding frame (901); the second rotating rod (909) is pushed by the second sliding block (908) to drive the rotating frame (910) to flip; the clamping plate (911) is used to cooperate with the force plate (903) to push the teaching instrument.

4. The laser intelligent welding device for teaching instrument processing according to claim 3 is characterized in that: The inner wall of one end of the clamping plate (911) away from the rotating frame (910) is rotatably connected to a second double-axis motor (913) via a rotating shaft; the output end of the second double-axis motor (913) passes through the clamping plate (911) and is fixedly connected to an adjustment frame (914); one end of the clamping plate (911) close to the rotating frame (910) is fixedly connected to a third spring (912); one end of the third spring (912) away from the clamping plate (911) is fixedly connected to the rotating frame (910); the second double-axis motor (913) adjusts the teaching instrument via the adjustment frame (914); and the third spring (912) is used for resetting the clamping plate (911).

5. The laser intelligent welding device for teaching instrument processing according to claim 1 is characterized in that: The welding mechanism (8) comprises a first sliding frame (801) slidably connected to the second rotating shaft (7); a hydraulic rod (802) is fixedly connected to the inner wall of the first sliding frame (801); a welding device (803) is fixedly connected to the output end of the hydraulic rod (802); a first connecting frame (804) is fixedly sleeved on the outer surface of the welding device (803); a first through hole (805) is provided on the outer surface of the first connecting frame (804); a baffle (808) is provided on a side of the first connecting frame (804) close to the welding device (803); the baffle (808) is used to prevent welding slag from splashing; and the welding device (803) is used for laser welding operations of teaching instruments.

6. The laser intelligent welding device for teaching instrument processing according to claim 5 is characterized in that: The top outer wall of the baffle (808) is rotatably connected to an auxiliary rod (809) via a rotating shaft; one end of the auxiliary rod (809) away from the baffle (808) is rotatably connected to a first sliding block (810) via a rotating shaft; the first sliding block (810) is slidably connected to the inner wall of the first through hole (805); the baffle (808) pulls the first sliding block (810) to slide on the inner wall of the first through hole (805) via the auxiliary rod (809); and the first through hole (805) limits the sliding distance of the first sliding block (810).

7. The laser intelligent welding device for teaching instrument processing according to claim 6 is characterized in that: The outer wall of one end of the baffle (808) away from the auxiliary rod (809) is fixedly connected to a second fixed shaft (811); the end of the second fixed shaft (811) away from the baffle (808) passes through the first connecting frame (804) and is fixedly connected to the second connecting frame (812); the inner wall of the second connecting frame (812) is rotatably connected to a roller (813) via a rotating shaft; the outer wall of the baffle (808) on one side close to the second fixed shaft (811) is fixedly connected to a first spring (814); the end of the first spring (814) away from the baffle (808) is fixedly connected to the first connecting frame (804); the baffle (808) is connected to the first sliding frame (801) by means of the second fixed shaft (811) and moves under the drive of the second fixed shaft; the first spring (814) is used for resetting the baffle (808).

8. The laser intelligent welding device for teaching instrument processing according to claim 5 is characterized in that: The top outer wall of the first connecting frame (804) is fixedly connected to a first fixed shaft (806); one end of the first fixed shaft (806) away from the first connecting frame (804) passes through the first sliding frame (801) and is fixedly connected to a first limit block (807); the inner wall of the first limit block (807) is slidably connected to the outer surface of the hydraulic rod (802); the first connecting frame (804) is used to enhance the stability of the welding equipment (803) during movement with the help of the first fixed shaft (806); and the first limit block (807) is used to limit the sliding distance of the first connecting frame (804) in the vertical direction.

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