Automatic welding machine for angle iron flange

Abstract

The utility model provides a kind of angle iron flange automatic welding machine, including welding platform and stacker, the welding platform includes welding platform body, welding fixed beam and welding movable beam being set on the welding platform body;The welding movable beam is installed on the welding platform body by longitudinal adjusting mechanism, and the welding movable beam moves along longitudinal direction under the drive of the longitudinal adjusting mechanism, welding fixed beam and welding movable beam are all provided with welding torch assembly, by combining welding platform and stacker, after completing the automatic splicing welding of angle iron, again using stacker realizes automatic unloading, stacking placement, realizes full-automatic production, reduces manual operation, and by servo motor drive has higher action precision, improves the production efficiency of angle iron flange processing.

Description

Technical Field

[0001] This utility model relates to automatic welding equipment, and more particularly to an automatic welding machine for angle iron flanges. Background Technology

[0002] Angle iron flanges are a traditional connecting metal component used in duct or pipe connections. They are manufactured by splicing angle irons together and then welding them together. Currently, the manufacturing of angle iron flanges is mostly completed by manually splicing and welding the angle irons. In this method, both the splicing of the angle irons and the welding at the joints require manual welding. This manual welding manufacturing process is inefficient, labor-intensive, and cannot be automated. Utility Model Content

[0003] The technical problem to be solved by this utility model is that the existing angle iron flange processing efficiency is low and cannot achieve automated production. This utility model provides an automatic welding machine for angle iron flanges to solve the above problems.

[0004] The technical solution adopted by this utility model to solve its technical problem is: an automatic welding machine for angle iron flanges, including a welding platform and a stacking machine. The welding platform includes a welding platform body, a welding fixed beam and a welding movable beam disposed on the welding platform body. The welding movable beam is installed on the welding platform body through a longitudinal adjustment mechanism, and the welding movable beam moves longitudinally under the drive of the longitudinal adjustment mechanism. Welding gun assemblies are disposed on both the welding fixed beam and the welding movable beam.

[0005] Further: The longitudinal adjustment mechanism includes a welding longitudinal slide rail, a welding longitudinal slider slidably mounted on the welding longitudinal slide rail, and a welding longitudinal rack parallel to the welding longitudinal slide rail and fixedly mounted on the welding platform body. The welding movable beam is fixedly mounted on the welding longitudinal slider. A longitudinal adjustment motor is mounted on the welding movable beam. A longitudinal adjustment gear is provided at the output end of the longitudinal adjustment motor. The longitudinal adjustment gear meshes with the welding longitudinal rack.

[0006] Furthermore: both the welding fixed beam and the welding movable beam are respectively fixedly equipped with welding torch assemblies and movably equipped with welding torch assemblies through welding torch traversing mechanisms; the welding torch traversing mechanism includes a welding torch traversing screw, a welding torch traversing slider mounted on the welding torch traversing screw, and a welding torch traversing motor that drives the welding torch traversing screw to rotate. The welding torch traversing motor drives the welding torch traversing screw to rotate, thereby causing the welding torch traversing slider to move along the axial direction of the welding torch traversing screw. The welding torch assembly is fixedly equipped on the welding torch traversing slider.

[0007] Furthermore, the welding torch assembly includes a vertical welding module, a longitudinal welding module disposed on the vertical welding module, and a welding torch. The vertical welding module drives the longitudinal welding module to move vertically, and the longitudinal welding module drives the welding torch to move longitudinally.

[0008] Furthermore: the palletizer includes a palletizer frame body, on which a longitudinal beam is arranged along the longitudinal direction. The longitudinal beam is slidably installed on the palletizer frame body through a palletizing lateral moving mechanism. A material picking claw is arranged on the longitudinal beam. The material picking claw is slidably installed on the longitudinal beam through a palletizing vertical moving mechanism. The material picking claw picks up the welded parts to be palletized.

[0009] Further: The palletizing lateral movement mechanism includes a palletizing lateral slide rail, a palletizing lateral slider, and a palletizing lateral rack. Two palletizing lateral slide rails are horizontally separated and arranged parallel to each other on the palletizing frame body. A palletizing lateral slider is slidably mounted on each of the palletizing lateral slide rails. A longitudinal beam is mounted on the palletizing lateral slide rails, and both ends of the longitudinal beam are fixedly connected to the palletizing lateral sliders on the two ends of the palletizing lateral slide rails. The palletizing lateral rack is parallel to the palletizing lateral slide rails and fixedly mounted on the palletizing frame body. A palletizing lateral movement motor is fixedly mounted on the longitudinal beam, and a palletizing lateral movement gear is mounted on the output shaft of the palletizing lateral movement motor. The palletizing lateral movement gear meshes with the palletizing lateral rack.

[0010] Furthermore: a stacking vertical support is provided on the longitudinal beam along the vertical direction. A material-picking arm is slidably mounted on the stacking vertical support via the stacking vertical moving mechanism. The bottom end of the material-picking arm is provided with the material-picking gripper. The stacking vertical moving mechanism includes a stacking vertical slide rail, a stacking vertical slider, and a stacking vertical rack. The material-picking arm is arranged in the vertical direction, and a stacking vertical slide rail is fixedly mounted on the material-picking arm along the vertical direction. A stacking vertical slider is slidably mounted on the stacking vertical slide rail, and the stacking vertical slider is fixedly mounted on the stacking vertical support. The stacking vertical rack is parallel to the stacking vertical slide rail and fixedly mounted on the material-picking arm. A stacking vertical moving motor is mounted on the stacking vertical support. A stacking vertical moving gear is provided on the output shaft of the stacking vertical moving motor, and the stacking vertical moving gear meshes with the stacking vertical rack.

[0011] Furthermore: a stacking longitudinal guide rail is provided along the longitudinal direction of the longitudinal beam, and a stacking longitudinal slider is slidably provided on the stacking longitudinal guide rail; there are two stacking vertical supports, one of which is fixedly provided at one end of the longitudinal beam, and the other is fixedly connected to the stacking longitudinal slider.

[0012] Furthermore: there are two vertical palletizing motors and two horizontal palletizing motors, and both of the two vertical palletizing motors and the two horizontal palletizing motors are servo motors; a forklift for transferring welded parts is provided below the material picking arm.

[0013] The beneficial effects of this utility model are that the automatic welding machine for angle iron flanges combines a welding platform and a palletizer. After the automatic splicing and welding of angle iron is completed, the palletizer is used to realize automatic unloading and stacking, realizing fully automated production, reducing manual operation, and the servo motor drive has high motion precision, thus improving the production efficiency of angle iron flange processing. Attached Figure Description

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0015] Figure 1 and Figure 2 This is a structural schematic diagram of an automatic welding machine for angle iron flanges from different perspectives according to this utility model;

[0016] Figure 3 This is a structural schematic diagram of the welding platform;

[0017] Figure 4 yes Figure 3 Enlarged view of the structure at point T in the image;

[0018] Figure 5 This is a schematic diagram of the overall external structure of the palletizer;

[0019] Figure 6 This is a schematic diagram of the installation of the longitudinal beams and the picking arm in a palletizer;

[0020] Figure 7 This is a structural schematic diagram showing the longitudinal beam and the material handling arm installed on the back of the longitudinal beam.

[0021] Figure 8 This is a partial structural diagram of the palletizing lateral movement mechanism;

[0022] Figure 9 yes Figure 8 Enlarged view of the structure at point A in the image;

[0023] Figure 10 This is a schematic diagram of the material handling arm;

[0024] Figure 11 yes Figure 10 Schematic diagram of the structure at point B in the diagram;

[0025] Figure 12 This is a schematic diagram of the material handling arm (and...) Figure 10 (Different perspectives)

[0026] Figure 13 yes Figure 12 A schematic diagram of the structure at point C.

[0027] In the diagram: 1. Welding platform; 2. Palletizer; 3. Welding platform body; 4. Welding fixed beam; 5. Welding movable beam; 6. Welding torch assembly; 7. Welding longitudinal slide rail; 8. Welding longitudinal slider; 9. Longitudinal adjustment motor; 10. Longitudinal adjustment gear; 11. Welding torch transverse movement screw; 12. Welding torch transverse movement slider; 13. Welding torch transverse movement motor; 14. Welding vertical module; 15. Welding longitudinal module; 16. Welding torch; 18. Palletizer frame body; 19. Longitudinal beam. 0. Picking gripper; 21. Welded parts; 22. Palletizing transverse slide rail; 23. Palletizing transverse slider; 24. Palletizing transverse rack; 25. Palletizing transverse motor; 26. Palletizing transverse gear; 27. Palletizing vertical support; 28. Picking arm; 29. ​​Palletizing vertical slide rail; 30. Palletizing vertical slider; 31. Palletizing vertical rack; 32. Palletizing vertical motor; 33. Palletizing vertical gear; 34. Palletizing longitudinal guide rail; 35. Palletizing longitudinal slider; 36. Forklift. Detailed Implementation

[0028] The embodiments of this utility model are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model. Rather, the embodiments of this utility model include all variations, modifications, and equivalents falling within the spirit and scope of the appended claims.

[0029] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0030] Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance. In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. Furthermore, in the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0031] Any process or method described in the flowchart or otherwise herein can be understood as representing a module, segment, or portion of code comprising one or more executable instructions for implementing a particular logical function or process, and the scope of the preferred embodiments of the present invention includes additional implementations in which functions may be performed not in the order shown or discussed, including substantially simultaneously or in reverse order according to the functions involved, as should be understood by those skilled in the art to which embodiments of the present invention pertain.

[0032] like Figures 1 to 13 As shown, this utility model provides an automatic welding machine for angle iron flanges, including a welding platform 1 and a stacking machine 2. The welding platform 1 includes a welding platform body 3, a welding fixed beam 4 and a welding movable beam 5 disposed on the welding platform body 3. The welding movable beam 5 is installed on the welding platform body 3 through a longitudinal adjustment mechanism, and the welding movable beam 5 moves longitudinally under the drive of the longitudinal adjustment mechanism. Welding gun 16 assemblies 6 are provided on both the welding fixed beam 4 and the welding movable beam 5.

[0033] This automatic welding machine is used to weld angle iron flanges. The product is made by splicing angle irons into a flange shape, and then the automatic welding machine welds the joints to form the final product. The angle irons are spliced ​​and welded on a welding platform. The welding fixed beam 4 and welding movable beam 5 are used to mount the welding torch 16 assembly 6. The welding assembly can complete the welding joint of the angle irons on the welding platform body 3. The welding movable beam 5 is movable relative to the welding fixed beam 4, moving under the drive of the longitudinal adjustment mechanism. Adjusting the distance between them allows for welding angle iron flanges of different sizes and specifications.

[0034] The longitudinal adjustment mechanism includes a welding longitudinal slide rail 7, a welding longitudinal slider 8 slidably mounted on the welding longitudinal slide rail 7, and a welding longitudinal rack parallel to the welding longitudinal slide rail 7 and fixedly mounted on the welding platform body 3. The welding movable beam 5 is fixedly mounted on the welding longitudinal slider 8. A longitudinal adjustment motor 9 is mounted on the welding movable beam 5. A longitudinal adjustment gear 10 is provided at the output end of the longitudinal adjustment motor 9. The longitudinal adjustment gear 10 meshes with the welding longitudinal rack.

[0035] The longitudinal adjustment mechanism is used to adjust the position of the welding movable beam 5. The welding movable beam 5 and the welding longitudinal slider 8 are fixedly connected and can slide along the welding longitudinal slide rail 7. By rotating the longitudinal adjustment motor 9 on the welding movable beam 5, the longitudinal adjustment gear 10 is driven to move along the meshing welding longitudinal rack, thus realizing the adjustment of the position of the welding movable beam 5 along the welding longitudinal slide rail 7.

[0036] Both the fixed welding beam 4 and the movable welding beam 5 are respectively equipped with welding torch 16 assembly 6 and welding torch 16 assembly 6 is movably mounted via welding torch 16 traverse mechanism; the welding torch 16 traverse mechanism includes welding torch 16 traverse screw 11, welding torch 16 traverse slider 12 mounted on welding torch 16 traverse screw 11, and welding torch 16 traverse motor 13 that drives welding torch 16 traverse screw 11 to rotate. The welding torch 16 traverse motor 13 drives welding torch 16 traverse screw 11 to rotate, thereby causing welding torch 16 traverse slider 12 to move along the axial direction of welding torch 16 traverse screw 11. The welding torch 16 assembly 6 is fixedly mounted on welding torch 16 traverse slider 12.

[0037] Both the fixed welding beam 4 and the movable welding beam 5 are equipped with fixed and movable welding torch 16 assemblies 6. The movable welding torch 16 assembly 6 is driven by a welding torch 16 lateral movement mechanism. A welding torch 16 lateral movement mechanism is also provided on both the fixed welding beam 4 and the movable welding beam 5. The welding torch 16 lateral movement motor 13 drives the welding torch 16 lateral movement screw 11 to rotate, thereby causing the welding torch 16 lateral movement slider 12 to move laterally. The welding torch 16 assembly 6 is mounted on the welding torch 16 lateral movement slider 12, thus realizing the lateral displacement adjustment of the welding torch 16 assembly 6.

[0038] The welding torch 16 assembly 6 includes a vertical welding module 14, a longitudinal welding module 15 mounted on the vertical welding module 14, and a welding torch 16. The vertical welding module 14 drives the longitudinal welding module 15 to move vertically, and the longitudinal welding module 15 drives the welding torch 16 to move longitudinally. Driven by the welding torch 16 lateral movement mechanism, the welding torch 16 assembly 6 can achieve lateral adjustment of the welding torch 16's position. Furthermore, the welding torch 16 assembly 6 is equipped with the vertical welding module 14 and the longitudinal welding module 15 to achieve vertical and longitudinal adjustment of the welding torch 16's position. This allows the welding torch 16 to perform precise welding operations on angle irons according to the specific joint structure, and can control the welding torch 16 to accurately follow the required welding trajectory. The vertical welding module 14 and the longitudinal welding module 15 are both common motion control modules. Their orthogonal arrangement allows for precise displacement control in both vertical and longitudinal directions. The specific structure of these modules is existing technology and will not be described in detail here.

[0039] The palletizer 2 includes a palletizer frame body 18, on which a longitudinal beam 19 is arranged along the longitudinal direction. The longitudinal beam 19 is slidably installed on the palletizer frame body 18 through a palletizing lateral moving mechanism. A material picking claw 20 is arranged on the longitudinal beam 19, and the material picking claw 20 is slidably installed on the longitudinal beam 19 through a palletizing vertical moving mechanism. The material picking claw 20 picks up the welded parts 21 to be palletized.

[0040] The palletizer 2 is used to remove the welded parts 21 after welding from the welding table and then place them in the designated area to complete the unloading and palletizing operation of the welded parts 21. The longitudinal beam 19 is mounted on the palletizer frame body 18 and can slide laterally, which allows it to move back and forth between the welding table and the palletizing area. The picking claws 20 on the longitudinal beam 19 move up and down under the drive of the vertical moving mechanism of the palletizing machine. This enables a work cycle of moving down to pick up the welded parts 21, moving up to transfer them to the designated position, moving down to place the welded parts 21, and finally moving up to wait for picking up the parts.

[0041] The palletizing lateral movement mechanism includes a palletizing lateral slide rail 22, a palletizing lateral slider 23, and a palletizing lateral rack 24. Two palletizing lateral slide rails 22 are horizontally separated and parallel to each other on the palletizing frame body 18. A palletizing lateral slider 23 is slidably mounted on each palletizing lateral slide rail 22. A longitudinal beam 19 is mounted on the palletizing lateral slide rail 22, and both ends of the longitudinal beam 19 are fixedly connected to the palletizing lateral sliders 23 on the two ends of the palletizing lateral slide rail 22. The palletizing lateral rack 24 is parallel to the palletizing lateral slide rail 22 and fixedly mounted on the palletizing frame body 18. A palletizing lateral movement motor 25 is fixedly mounted on the longitudinal beam 19, and a palletizing lateral movement gear 26 is mounted on the output shaft of the palletizing lateral movement motor 25. The palletizing lateral movement gear 26 meshes with the palletizing lateral rack 24.

[0042] The palletizing lateral movement mechanism is mainly used to drive the longitudinal beam 19 to move laterally on the palletizing frame body 18. The palletizing lateral movement motor 25 fixed on the longitudinal beam 19 rotates, which drives the palletizing lateral movement gear 26 to rotate. Since the palletizing lateral movement gear 26 meshes with the palletizing lateral rack 24, and the palletizing lateral rack 24 is fixedly set on the palletizing frame body 18, the rotation of the palletizing lateral movement gear 26 will drive the longitudinal beam 19 to slide along the lateral guide rail on the palletizing frame body 18. This achieves stable lateral drive of the longitudinal beam 19. In addition, the palletizing lateral movement motor 25 is set at both ends of the longitudinal beam 19, realizing synchronous conveying at both ends of the longitudinal beam 19. This two-end drive method can optimize the stress state of the longitudinal beam 19, avoid jamming due to unilateral drive, and ensure the smooth lateral movement of the longitudinal beam 19.

[0043] A vertical stacking support 27 is vertically arranged on the longitudinal beam 19. A material-picking arm 28 is slidably mounted on the vertical stacking support 27 via a vertical stacking moving mechanism. A material-picking gripper 20 is provided at the bottom end of the material-picking arm 28. The vertical stacking moving mechanism includes a vertical stacking slide rail 29, a vertical stacking slider 30, and a vertical stacking rack 31. The material-picking arm 28 is arranged vertically, and the vertical stacking slide rail 29 is fixedly arranged on the material-picking arm 28 along the vertical direction. A vertical palletizing slider 30 is slidably mounted on the vertical palletizing slide rail 29, and the vertical palletizing slider 30 is fixedly mounted on the vertical palletizing support 27; the vertical palletizing rack 31 is parallel to the vertical palletizing slide rail 29 and fixedly mounted on the picking arm 28; a vertical palletizing motor 32 is mounted on the vertical palletizing support 27; a vertical palletizing gear 33 is provided on the output shaft of the vertical palletizing motor 32, and the vertical palletizing gear 33 meshes with the vertical palletizing rack 31.

[0044] The vertical palletizing support 27 is fixed on the longitudinal beam 19. The vertical palletizing slider 30 and the vertical palletizing slide rail 29 slide together, allowing the picking arm 28 to slide vertically. The vertical palletizing motor 32 is fixed on the vertical palletizing support 27 and drives the vertical palletizing gear 33 to rotate, which in turn drives the vertical palletizing rack 31 to move vertically up and down. This causes the picking arm 28 to move vertically up and down. The method of moving the picking arm 28 up and down by driving the vertical palletizing gear 33 to drive the vertical palletizing rack 31 has high moving accuracy and is easy to control. At the same time, it can move smoothly and can adapt to heavy load grasping and moving conditions.

[0045] The longitudinal beam 19 is provided with a stacking longitudinal guide rail 34 along the longitudinal direction, and a stacking longitudinal slider 35 is slidably provided on the stacking longitudinal guide rail 34; there are two stacking vertical supports 27, one of which is fixedly provided at one end of the longitudinal beam 19, and the other is fixedly connected to the stacking longitudinal slider 35.

[0046] There are two vertical palletizing supports 27: one fixedly mounted on the longitudinal beam 19, and the other slidably mounted on the longitudinal beam 19, allowing it to slide longitudinally along the beam. Each vertical palletizing support 27 is equipped with a picking arm 28, which moves vertically under the drive of the vertical palletizing mechanism. This allows the picking arm 28 to move the picking gripper 20 up and down. The arrangement of one vertical palletizing support 27 fixed to the longitudinal beam 19 and the other slidably mounted on it allows for the gripping of welded parts 21 of different lengths. When it is necessary to adjust the relative distance between the two picking arms 28 to accommodate welded parts 21 of different lengths, the slidably mounted vertical palletizing support 27 can be moved, adjusting the distance between the two vertical palletizing supports 27 and thus the distance between the two picking arms 28 to accommodate the gripping needs of different welded parts 21. The distance of the picking arm 28 is only adjusted during processing and changeover, and the frequency of adjustment is very low. Therefore, such adjustment does not require additional automated drive configuration. The requirements can be met by manually adjusting the position of the movable palletizing vertical support 27.

[0047] There are two vertical palletizing motors 32 and two horizontal palletizing motors 25, both of which are servo motors. A forklift 36 for transferring the welded part 21 is located below the picking arm 28. The servo motors allow control over the lateral movement of the picking jaws 20 and the downward displacement of the welded part 21. After the welded part 21 is picked up from the welding platform 1, the picking arm 28 moves downward, placing the welded part 21 onto the forklift 36 below. The servo motors precisely control the downward displacement of the picking jaws 20, enabling the layered stacking of the welded part 21. Once full, the forklift 36 can directly transfer the stacked welded part 21 to the next process, facilitating convenient transfer.

[0048] In the description of this specification, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, illustrative expressions of the terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0049] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. An automatic welding machine for angle iron flanges, characterized in that: The welding platform (1) includes a welding platform (3) and a palletizer (2). The welding platform (1) includes a welding platform body (3), a welding fixed beam (4) and a welding movable beam (5) disposed on the welding platform body (3). The welding movable beam (5) is installed on the welding platform body (3) through a longitudinal adjustment mechanism, and the welding movable beam (5) moves longitudinally under the drive of the longitudinal adjustment mechanism. Both the welding fixed beam (4) and the welding movable beam (5) are provided with welding torch (16) assemblies (6).

2. The automatic welding machine for angle iron flanges as described in claim 1, characterized in that: The longitudinal adjustment mechanism includes a welding longitudinal slide rail (7), a welding longitudinal slider (8) slidably mounted on the welding longitudinal slide rail (7), and a welding longitudinal rack parallel to the welding longitudinal slide rail (7) and fixedly mounted on the welding platform body (3). The welding movable beam (5) is fixedly mounted on the welding longitudinal slider (8). A longitudinal adjustment motor (9) is mounted on the welding movable beam (5). A longitudinal adjustment gear (10) is provided at the output end of the longitudinal adjustment motor (9). The longitudinal adjustment gear (10) meshes with the welding longitudinal rack.

3. The automatic welding machine for angle iron flanges as described in claim 2, characterized in that: Welding gun (16) assembly (6) is fixedly installed on both the welding fixed beam (4) and the welding movable beam (5), and welding gun (16) assembly (6) is movably installed through the welding gun (16) traverse mechanism. The welding gun (16) traverse mechanism includes a welding gun (16) traverse screw (11), a welding gun (16) traverse slider (12) installed on the welding gun (16) traverse screw (11), and a welding gun (16) traverse motor (13) that drives the welding gun (16) traverse screw (11) to rotate. The welding gun (16) traverse motor (13) drives the welding gun (16) traverse screw (11) to rotate, thereby driving the welding gun (16) traverse slider (12) to move along the axial direction of the welding gun (16) traverse screw (11). The welding gun (16) assembly (6) is fixedly installed on the welding gun (16) traverse slider (12).

4. The automatic welding machine for angle iron flanges as described in claim 3, characterized in that: The welding torch (16) assembly (6) includes a welding vertical module (14), a welding longitudinal module (15) disposed on the welding vertical module (14), and a welding torch (16). The welding vertical module (14) drives the welding longitudinal module (15) to move vertically, and the welding longitudinal module (15) drives the welding torch (16) to move longitudinally.

5. The automatic welding machine for angle iron flanges as described in claim 1, characterized in that: The palletizer (2) includes a palletizer frame body (18), on which a longitudinal beam (19) is arranged along the longitudinal direction. The longitudinal beam (19) is slidably installed on the palletizer frame body (18) through a palletizing lateral moving mechanism. A material picking claw (20) is arranged on the longitudinal beam (19), and the material picking claw (20) is slidably installed on the longitudinal beam (19) through a palletizing vertical moving mechanism. The material picking claw (20) picks up the welded parts (21) to be palletized.

6. The automatic welding machine for angle iron flanges as described in claim 5, characterized in that: The palletizing lateral movement mechanism includes a palletizing lateral slide rail (22), a palletizing lateral slider (23), and a palletizing lateral rack (24). There are two palletizing lateral slide rails (22) arranged horizontally and parallel to each other on the palletizing frame body (18). The palletizing lateral slider (23) is slidably mounted on each of the palletizing lateral slide rails (22). A longitudinal beam (19) is mounted on the palletizing lateral slide rails (22), and both ends of the longitudinal beam (19) are respectively... The palletizing transverse slider (23) is fixedly connected to the palletizing transverse slide rail (22) at both ends; the palletizing transverse rack (24) is parallel to the palletizing transverse slide rail (22) and fixedly installed on the palletizing frame body (18); a palletizing transverse motor (25) is fixedly installed on the longitudinal beam (19), and a palletizing transverse gear (26) is installed on the output shaft of the palletizing transverse motor (25), and the palletizing transverse gear (26) meshes with the palletizing transverse rack (24).

7. An automatic welding machine for angle iron flanges as described in claim 6, characterized in that: A stacking vertical support (27) is vertically arranged on the longitudinal beam (19). A picking arm (28) is slidably mounted on the stacking vertical support (27) via the stacking vertical moving mechanism. The picking arm (28) has a picking gripper (20) at its bottom end. The stacking vertical moving mechanism includes a stacking vertical slide rail (29), a stacking vertical slider (30), and a stacking vertical rack (31). The picking arm (28) is arranged vertically, and a stacking vertical slide rail (29) is fixedly arranged on the picking arm (28) along the vertical direction. A stacking vertical slider (30) is slidably installed on the stacking vertical slide rail (29), and the stacking vertical slider (30) is fixedly installed on the stacking vertical support (27); the stacking vertical rack (31) is parallel to the stacking vertical slide rail (29) and fixedly installed on the material picking arm (28); a stacking vertical moving motor (32) is installed on the stacking vertical support (27), and a stacking vertical moving gear (33) is provided on the output shaft of the stacking vertical moving motor (32), and the stacking vertical moving gear (33) meshes with the stacking vertical rack (31).

8. The automatic welding machine for angle iron flanges as described in claim 7, characterized in that: The longitudinal beam (19) is provided with a stacking longitudinal guide rail (34) along the longitudinal direction, and a stacking longitudinal slider (35) is slidably provided on the stacking longitudinal guide rail (34); there are two stacking vertical supports (27), one of which is fixedly provided at one end of the longitudinal beam (19), and the other is fixedly connected to the stacking longitudinal slider (35).

9. An automatic welding machine for angle iron flanges as described in claim 8, characterized in that: The number of the palletizing vertical movement motor (32) and the palletizing horizontal movement motor (25) are both two, and both of the two palletizing vertical movement motors (32) and the two palletizing horizontal movement motors (25) are servo motors; a forklift (36) for transferring the welded parts (21) is provided below the picking arm (28).

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