Metal bracket welding robot with protection assembly

Abstract

This invention relates to the field of welding equipment technology and discloses a metal bracket welding robot with protective components. The robot includes a base plate, a support seat on the upper part of the base plate, a rotating platform on the upper part of the support seat, a first drive motor inside the support seat for driving the rotating platform, two symmetrical welding stations on the upper part of the rotating platform, and several second drive motors on the lower part of the rotating platform for driving the welding stations. In this invention, by setting two welding stations, which are used alternately for installing and welding the workpiece, and by having a first protective plate located between the two welding stations on the upper part of the rotating platform, the welding spatter generated during multi-axis welding is blocked by the first protective plate. This prevents welding spatter from harming the operator installing the bracket, improving the protective effect of the welding equipment during welding and thus increasing the safety factor during welding.

Description

Technical Field

[0001] This invention relates to the field of welding equipment technology, specifically to a metal bracket welding robot with protective components. Background Technology

[0002] As the manufacturing industry transforms towards intelligence and automation, welding robots have been widely adopted to replace manual labor in metal bracket welding operations, in order to improve welding accuracy, efficiency and operational stability. Welding robot systems typically consist of three main parts: the robot body, the control cabinet and the welding equipment. They achieve precise movement by driving multi-axis joints with servo motors, and complete welding path planning with online teaching or offline programming. They can adapt to different loads and different arm span requirements, meeting welding scenarios ranging from small automotive parts and medium-sized steel structures to large mechanical brackets.

[0003] A search revealed a patent, CN118752143A, which discloses a metal bracket welding robot with protective components. This robot includes a welding robot assembly, a protective moving assembly, a fixing assembly, and a dust extraction assembly. The welding robot assembly includes a base plate, with support columns fixedly installed at each of the four corners of the top of the base plate. A support plate is fixedly installed between the tops of the four support columns, and a fixing plate is fixedly installed on the rear side of the top of the base plate. In this metal bracket welding robot with protective components, sparks and spatter are generated during welding of the metal bracket. These may fly out of the welding area, posing a safety threat to the surrounding environment and operators. The sparks and spatter generated during welding may also pollute the surrounding environment or damage the equipment. The protective components are used to contain the area of ​​welding sparks and spatter, preventing them from harming the surrounding environment and reducing the risk of accidents and injuries.

[0004] The aforementioned patents have significant beneficial effects, but in practical application, they still have the following shortcomings: The aforementioned comparative documents use multiple protective plates to block the spatter generated during welding, and the workpieces to be welded are installed on both sides of the welding robot. However, because welding generates a large amount of spatter, and the spatter travels at high speeds and temperatures, operators may be hit or even burned by the spatter when installing or removing workpieces during the welding process. This reduces the safety factor of the welding equipment. Therefore, there is an urgent need in the art to improve the welding equipment to address the shortcomings of the prior art. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides a metal bracket welding robot with protective components, which improves the protective effect of the welding equipment during welding, thereby increasing the safety factor during welding.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a metal bracket welding robot with protective components, comprising a supporting base plate, a supporting seat on the upper part of the supporting base plate, a rotating platform with a rotating effect on the upper part of the supporting seat, a first drive motor for driving the rotating platform to rotate inside the supporting seat, two symmetrical welding tables on the upper part of the rotating platform, several second drive motors for driving the welding tables to rotate on the lower part of the rotating platform, a protective unit located between the two welding tables on the upper part of the rotating platform, several positioning units on the upper part of the welding tables, and a multi-axis welding part located at one end of the rotating platform and adapted to the position of the welding tables on the upper part of the supporting base plate; The positioning unit is used to position and fix the bracket to be welded, and there is a space between the lower part of the bracket to be welded and the welding table for welding by the multi-axis welding part. The multi-axis welding part can move and rotate in multiple axes and is used to weld the fixed bracket to be welded. The protective unit is used to block the spatter generated when the multi-axis welding part is used.

[0007] Preferably, the protective unit includes a first protective plate disposed on the upper part of the rotating platform and located between two welding platforms, wherein the height and width of the first protective plate are not less than the height and width of the bracket to be welded.

[0008] Preferably, the positioning unit includes a plurality of support columns disposed on the upper part of the welding platform. The side of the support column is provided with a support plate and a connecting plate adapted to the bracket to be welded. The connecting plate is provided with a telescopic device with a telescopic effect. The telescopic end of the telescopic device is provided with a clamping plate adapted to the support plate and the bracket to be welded.

[0009] Preferably, a first adjusting frame is fixedly installed on the side of the support plate and sleeved on the side of the support column. A first limiting bolt for limiting the first adjusting frame is threaded through and threaded onto the first adjusting frame. A second adjusting frame is fixedly installed on the side of the connecting plate and sleeved on the side of the support column. A second limiting bolt for limiting the second adjusting frame is threaded through and threaded onto one side of the second adjusting frame.

[0010] Preferably, a first mounting plate is fixedly installed on the lower side of the support column, and the first mounting plate is fixedly installed on the upper part of the welding platform.

[0011] Preferably, the support plate has a side limiting strip on one side, the upper part of the side limiting strip extends beyond the upper part of the support plate, and the distance between the support column and the side of the side limiting strip is adapted to the bracket to be welded.

[0012] Preferably, a plurality of movable columns are fixedly installed on the side of the side limiting strip, and a plurality of movable grooves adapted to the movable columns are provided on the side of the support plate, and a spring is fixedly installed between the end of the movable column and the inner sidewall of the movable groove.

[0013] Preferably, a second mounting plate for installation is fixedly installed on the lower part of the first protective plate, and a telescopic plate that can be adjusted up and down is provided on the upper part of the first protective plate. A telescopic groove adapted to the telescopic plate is provided on the upper part of the first protective plate, and both the telescopic plate and the first protective plate are provided with transparent observation windows.

[0014] Preferably, the first protective plate is provided with adjustment grooves on opposite sides, and a third limiting bolt with one end threadedly connected to the side of the telescopic plate is inserted in the adjustment groove.

[0015] Preferably, a plug-in seat is fixedly installed on the lower part of the welding table, and a connecting seat is provided on the upper part of the rotating table, the lower part of which is fixedly installed with the output end of the second drive motor. The upper part of the connecting seat is provided with a plug-in groove that is adapted to the plug-in seat, and a fourth limiting bolt with one end threadedly connected to the side of the plug-in seat is provided on the side of the connecting seat.

[0016] To address the shortcomings of existing technologies, this invention provides a metal bracket welding robot with protective components, overcoming the deficiencies of existing technologies. The beneficial effects of this invention are as follows: In this invention, two welding stations are set up, which are used alternately for the installation and welding of the parts to be welded. A first protective plate is provided on the upper part of the rotating platform, located in the middle of the two welding stations. The spatter generated during the multi-axis welding is blocked by the first protective plate. The welding spatter will not cause injury to the operator installing the support to be welded, thereby improving the protective effect of the welding equipment during welding and thus improving the safety factor during welding.

[0017] In this invention, by setting up two welding stations, the alternating welding effect is achieved, reducing the time wasted during welding due to positioning or removal, and improving the welding efficiency of the welding equipment.

[0018] In this invention, by setting a support plate, the position of which can be adjusted and fixed on the side of the support column, and clamping the clamping plate in the middle of the welding part of the bracket to be welded, the welding head of the multi-axis welding part can weld the lower part of the bracket to be welded without having to flip the bracket over and weld it again after welding. All welding positions of the bracket to be welded can be completely welded in one go, further improving the welding efficiency of the welding equipment.

[0019] In this invention, the positions of the support plate and the connecting plate can be adjusted, enabling the positioning of welding supports of different shapes and improving the applicability of the welding equipment.

[0020] In this invention, by setting the first protective plate to be detachable and positioning it in conjunction with the positioning units on the two welding tables, the unused support column is detachable, and the first drive motor drives the bearing seat to rotate, which enables welding of brackets of large or small volume, thereby improving the welding application range of the welding equipment.

[0021] In this invention, by setting side limiting strips, moving columns and springs, the welding components of the welding bracket are clamped, making it easier to position the welding bracket.

[0022] In this invention, by setting a telescopic plate that can move up and down within the telescopic groove, the protection range of the protective unit is increased, further improving the protective effect of the welding equipment.

[0023] In this invention, by setting an observation window, the operator can observe the welding situation on the upper part of another welding platform when the welding support is being positioned, so as to take timely measures in case of emergency during the welding process.

[0024] In this invention, by setting up a plug-in seat, a connecting seat, a plug-in slot, and a fourth limiting bolt, a welding table of appropriate size can be selected for quick installation or disassembly according to the size of the bracket to be welded, thereby improving the practicality of the welding equipment.

[0025] Other features and advantages of the invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of the invention may be realized and obtained by means of the structures pointed out in the description, claims and drawings. Attached Figure Description

[0026] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used together with the embodiments of the invention to explain the invention and do not constitute a limitation thereof.

[0027] Figure 1 This is a schematic diagram of the structure of the two welding stations in this invention when welding the support to be welded. Figure 2 This is a schematic diagram of the structure of the bracket to be welded simultaneously by two welding stations in this invention; Figure 3 This is a schematic diagram showing a partial cross-section of the rotary table and other components in this invention. Figure 4 This is a schematic diagram of the structure of the first protective plate in this invention; Figure 5 This is a schematic diagram of the supporting column in this invention; Figure 6 This is a schematic diagram of the structure of the other side of the support column in this invention; Figure 7 for Figure 3 Enlarged structural diagram at point A in the middle; Figure 8 for Figure 4 Enlarged structural diagram at point B; Figure 9 for Figure 6 Enlarged structural diagram at point C.

[0028] In the diagram: 1. Support base plate; 2. Support seat; 3. Rotary table; 4. First drive motor; 5. Welding table; 6. Second drive motor; 7. Protective unit; 8. Positioning unit; 9. Bracket to be welded; 10. Multi-axis welding section; 11. First protective plate; 12. Support column; 13. Support plate; 14. Connecting plate; 15. Telescopic device; 16. Pressing plate; 17. First adjusting frame; 18. First limiting bolt; 19. Second adjusting frame; 20. Second limiting bolt; 21. First mounting plate; 22. Side limiting strip; 23. Moving column; 24. Moving groove; 25. Spring; 26. Second mounting plate; 27. Telescopic plate; 28. Telescopic groove; 29. ​​Adjusting groove; 30. Third limiting bolt; 31. Transparent observation window; 32. Plug-in seat; 33. Connecting seat; 34. Plug-in groove; 35. Fourth limiting bolt. Detailed Implementation

[0029] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0030] Please see Figures 1-9A metal bracket welding robot with protective components includes a support base plate 1, a support seat 2 on the upper part of the support base plate 1, a rotating platform 3 on the upper part of the support seat 2, a first drive motor 4 inside the support seat 2 for driving the rotating platform 3 to rotate, two symmetrical welding tables 5 on the upper part of the rotating platform 3, several second drive motors 6 on the lower part of the rotating platform 3 for driving the welding tables 5 to rotate, a protective unit 7 on the upper part of the rotating platform 3 located between the two welding tables 5, several positioning units 8 on the upper part of the welding tables 5, and a multi-axis welding part 10 on the upper part of the support base plate 1 located at one end of the rotating platform 3 and adapted to the position of the welding tables 5. The positioning units 8 are used to position and fix the bracket 9 to be welded, and after fixing, there is space between the lower part of the bracket 9 to be welded and the welding tables 5 for welding by the multi-axis welding part 10. The multi-axis welding part 10 is capable of multi-axis movement and rotation and is used to weld the fixed bracket 9. The protective unit 7 is used to block spatter generated by the multi-axis welding part 10, and the protective unit 7 includes components located on the upper part of the rotating platform 3 and between the two welding tables 5. The first protective plate 11 is provided between the welding table 5. The height and width of the first protective plate 11 are not less than the height and width of the bracket 9 to be welded. The positioning unit 8 includes several support columns 12 located on the upper part of the welding table 5. The side of the support column 12 is provided with a support plate 13 and a connecting plate 14 adapted to the bracket 9 to be welded. The connecting plate 14 is provided with a telescopic device 15 with a telescopic effect. The telescopic end of the telescopic device 15 is provided with a clamping plate 16 adapted to the support plate 13 and the bracket 9 to be welded. A first mounting plate 21 is fixedly installed on the lower side of the support column 12. 1. The first protective plate 11 is fixedly installed on the upper part of the welding table 5. The second mounting plate 26 for installation is fixedly installed on the lower part of the first protective plate 11. The first adjusting frame 17 is fixedly installed on the side of the support plate 13 and sleeved on the side of the support column 12. The first adjusting frame 17 is threaded through and connected with a first limiting bolt 18 for limiting the first adjusting frame 17. The second adjusting frame 19 is fixedly installed on the side of the connecting plate 14 and sleeved on the side of the support column 12. The second adjusting frame 19 is threaded through and connected with a second limiting bolt 20 for limiting the second adjusting frame 19.

[0031] Specifically, when welding the bracket 9 to be welded, each welding component of the bracket 9 is first cut and ground to size. If the bracket 9 to be welded is small, several support columns 12 are fixedly installed on the upper part of the welding table 5 using bolts in conjunction with the first mounting plate 21. The position of the support columns 12 is adapted to the shape of the bracket 9 to be welded. For example, if the bracket 9 to be welded is quadrilateral, four support columns 12 are installed, and the support columns 12 are located at the horizontal center of the welding component of the bracket 9 to facilitate welding at the end of the welding component. According to the width of the bracket 9 to be welded and the size of the welding head at the end of the multi-axis welding part 10, the distance between the support plate 13 and the upper part of the welding table 5 is adjusted. The first adjustment frame 1 7. Slide the support plate 13 on the side of the support column 12 to adjust its position so that the welding head of the multi-axis welding part 10 can weld from the lower part of the bracket 9 to be welded. After the position of the support plate 13 is adjusted, tighten the first limiting bolt 18. The end of the first limiting bolt 18 is tightly abutted against the side of the support column 12. Tighten the first limiting bolt 18. If welding brackets 9 of the same size for a long time is to be welded, a threaded hole adapted to the end of the first limiting bolt 18 can be opened on the side of the support column 12. The end of the first limiting bolt 18 is threaded into the threaded hole to ensure the stability of the support plate 13. Adjust and fix the position of the support plate 13 on each support column 12 according to the shape of the bracket 9 to be welded. At the same time, adjust the position of the support plate 13 on each support column 12 according to the shape of the bracket 9 to be welded. The thickness of the frame 9 and the telescopic stroke of the telescopic device 15 adjust the position of the connecting plate 14. The second adjusting frame 19 slides on the side of the support column 12. The position of the second adjusting frame 19 is also limited and fixed using the second limiting bolt 20. The telescopic device 15 is an electric telescopic rod in the prior art. Then, the first protective plate 11 is fixedly installed on the upper part of the rotary table 3 through the cooperation of the second mounting plate 26 and bolts. The first protective plate 11 is located between the two welding tables 5. Then, each welding part of the bracket 9 to be welded is placed on the upper part of the support plate 13 and the position is adjusted. The telescopic device 15 is turned on. The telescopic end of the telescopic device 15 drives the clamping plate 16 to move down, positioning and clamping the welding parts of the bracket 9 to be welded. The second drive is turned on. Motor 6 drives welding table 5 to rotate. After the support 9 to be welded on the upper part of welding table 5 is positioned, the first drive motor 4 is turned on. The output of the first drive motor 4 drives welding table 5 to rotate. The positioned support 9 to be welded rotates to a position close to the multi-axis welding part 10. The multi-axis welding part 10 is a welding arm in the prior art, capable of multi-axis movement. It works in conjunction with the second drive motor 6 to drive welding table 5 to rotate, and welds the support 9 to be welded. During the welding of the support 9 to be welded, the operator repositions the support 9 to be welded on another welding table 5. The height and width of the first protective plate 11 are greater than the height and width of the support 9 to be welded. The spatter generated during welding by the multi-axis welding part 10 is blocked by the first protective plate 11.Welding spatter will not harm the operator installing the bracket 9 to be welded, improving the protective effect of the welding equipment during welding and thus increasing the safety factor. Simultaneously, by setting up two welding stations 5, alternating welding can be achieved, reducing the time wasted on positioning or removal during welding and improving the welding efficiency. A support plate 13 is provided, and its position on the side of the support column 12 can be adjusted and fixed. A clamping plate 16 holds the bracket 9 in the middle position, allowing the welding head of the multi-axis welding section 10 to weld the lower part of the bracket 9 without needing to flip it over for re-welding. All welding positions of the bracket 9 can be completely welded in one go, further improving the welding efficiency. Furthermore, the positions of the support plate 13 and connecting plate 14 are adjustable, allowing for the positioning of brackets 9 with different shapes, increasing the applicability of the welding equipment.

[0032] When welding a large-volume support 9, such as Figure 2 As shown, the first protective plate 11 can be disassembled and positioned by the positioning units 8 on the two welding tables 5. The unused support column 12 can be disassembled and rotated with the first drive motor 4 to drive the bearing seat 2. This allows for welding of brackets 9 of varying sizes, thus improving the welding applicability of the welding equipment.

[0033] All of the electrical products mentioned above can be purchased from the market. They are mature technologies and have been fully disclosed, so they will not be repeated in the instruction manual. All of the electrical products mentioned above are equipped with power cords, and they are electrically connected to the external main controller and 220V phase voltage (or 380V line voltage) through the power cords. The main controller can be a conventional known device such as a computer that plays a control role.

[0034] As a technical optimization of the present invention, a side limiting strip 22 is provided on one side of the support plate 13. The upper part of the side limiting strip 22 extends beyond the upper part of the support plate 13. The upper side of the side limiting strip 22 is inclined. The distance between the support column 12 and the side of the side limiting strip 22 is adapted to the bracket 9 to be welded. A number of movable columns 23 are fixedly installed on the side of the side limiting strip 22. A number of movable grooves 24 adapted to the movable columns 23 are provided on the side of the support plate 13. A spring 25 is fixedly installed between the end of the movable column 23 and the inner side wall of the movable groove 24.

[0035] Specifically, when it is necessary to clamp and position the welding component of the bracket 9 to be welded, the middle position of the welding component of the bracket 9 to be welded is inserted between the side limiting strip 22 and the support column 12. Guided by the inclined surface of the upper part of the side limiting strip 22, the welding component of the bracket 9 to be welded is pressed against the side limiting strip 22, and the side limiting strip 22 moves away from the support column 12. The side limiting strip 22 drives the moving column 23 to move in the moving groove 24. At this time, the spring 25 is stretched. The spring 25 can be made of high temperature resistant material. Through the tension of the spring 25, the side limiting strip 22 can clamp the welding component of the bracket 9 to be welded, making it easier to position the bracket 9 to be welded.

[0036] As a technical optimization of the present invention, the upper part of the first protective plate 11 is provided with a telescopic plate 27 that can be adjusted up and down, the upper part of the first protective plate 11 is provided with a telescopic groove 28 that is adapted to the telescopic plate 27, both the telescopic plate 27 and the first protective plate 11 are provided with a transparent observation window 31, and the opposite sides of the first protective plate 11 are provided with adjustment grooves 29, and a third limiting bolt 30 with one end threadedly connected to the side of the telescopic plate 27 is inserted into the adjustment groove 29.

[0037] Specifically, the telescopic plate 27 can be adjusted according to the size of the bracket 9 to be welded. The telescopic plate 27 can move up and down in the telescopic groove 28 to increase the protection range of the protection unit 7 and further improve the protection effect of the welding equipment. After the telescopic plate 27 is adjusted, one end of the third limiting bolt 30 passes through the adjustment groove 29 and the other end of the third limiting bolt 30 is threaded to the side of the telescopic plate 27. Tightening the third limiting bolt 30 can limit and fix the position of the telescopic plate 27. The transparent observation window 31 is transparent and can be made of high temperature resistant material. When the operator is positioning the bracket 9 to be welded, he / she can observe the welding situation on the upper part of another welding station 5 so as to take timely measures in case of emergency during the welding process.

[0038] As a technical optimization of the present invention, a plug-in seat 32 is fixedly installed on the lower part of the welding table 5, and a connecting seat 33 is provided on the upper part of the rotary table 3, which is fixedly installed on the lower part of the second drive motor 6. The upper part of the connecting seat 33 is provided with a plug-in groove 34 that is adapted to the plug-in seat 32, and a fourth limiting bolt 35 with one end threadedly connected to the side of the plug-in seat 32 is provided on the side of the connecting seat 33.

[0039] Specifically, a welding station 5 of appropriate size can be selected according to the size of the bracket 9 to be welded. If the welding station 5 is too large and the bracket 9 to be welded is too small, it will cause inconvenience to the operator during installation. When installing the welding station 5, the plug-in seat 32 at the bottom of the welding station 5 is inserted into the plug-in groove 34 at the top of the connecting seat 33. One end of the fourth limiting bolt 35 passes through the connecting seat 33 and the other end of the fourth limiting bolt 35 is threaded to the side of the connecting seat 33. Tightening the fourth limiting bolt 35 limits and fixes the plug-in seat 32, further improving the practicality of the welding equipment.

[0040] Finally, it should be noted that in the description of this invention, the terms "vertical," "upper," "lower," "horizontal," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0041] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" 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; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0042] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A metal bracket welding robot with protective components, comprising a supporting base plate (1), characterized in that, The supporting base plate (1) is provided with a supporting seat (2) on the upper part, and a rotating table (3) with a rotating effect is provided on the upper part of the supporting seat (2). The supporting seat (2) is provided with a first drive motor (4) for driving the rotating table (3) to rotate. The rotating table (3) is provided with two symmetrical welding tables (5) on the upper part. The rotating table (3) is provided with several second drive motors (6) for driving the welding tables (5) to rotate on the lower part. The rotating table (3) is provided with a protective unit (7) located between the two welding tables (5) on the upper part. The welding table (5) is provided with several positioning units (8) on the upper part. The supporting base plate (1) is provided with a multi-axis welding part (10) located at one end of the rotating table (3) and adapted to the position of the welding table (5). The positioning unit (8) is used to position and fix the bracket (9) to be welded, and there is a space between the lower part of the bracket (9) to be welded and the welding table (5) for the multi-axis welding part (10) to weld. The multi-axis welding part (10) can move and rotate in multiple axes and is used to weld the fixed bracket (9). The protective unit (7) is used to block the spatter generated when the multi-axis welding part (10) is used.

2. The metal bracket welding robot with protective components according to claim 1, characterized in that, The protective unit (7) includes a first protective plate (11) located on the upper part of the rotary table (3) and between the two welding tables (5), wherein the height and width of the first protective plate (11) are not less than the height and width of the bracket (9) to be welded.

3. The metal bracket welding robot with protective components according to claim 1, characterized in that, The positioning unit (8) includes several support columns (12) located on the upper part of the welding table (5). The side of the support column (12) is provided with a support plate (13) and a connecting plate (14) adapted to the bracket (9) to be welded. The connecting plate (14) is provided with a telescopic device (15) with a telescopic effect. The telescopic end of the telescopic device (15) is provided with a clamping plate (16) adapted to the support plate (13) and the bracket (9) to be welded.

4. A metal bracket welding robot with protective components according to claim 3, characterized in that, The support plate (13) is fixedly installed with a first adjustment frame (17) sleeved on the side of the support column (12). A first limiting bolt (18) for limiting the first adjustment frame (17) is threaded through and connected to the first adjustment frame (17). The connecting plate (14) is fixedly installed with a second adjustment frame (19) sleeved on the side of the support column (12). A second limiting bolt (20) for limiting the second adjustment frame (19) is threaded through and connected to one side of the second adjustment frame (19).

5. A metal bracket welding robot with protective components according to claim 3, characterized in that, The first mounting plate (21) is fixedly installed on the lower side of the support column (12), and the first mounting plate (21) is fixedly installed on the upper part of the welding table (5).

6. A metal bracket welding robot with protective components according to claim 3, characterized in that, The support plate (13) has a side limiting strip (22) on one side. The upper part of the side limiting strip (22) extends beyond the upper part of the support plate (13). The distance between the support column (12) and the side of the side limiting strip (22) is adapted to the bracket (9) to be welded.

7. A metal bracket welding robot with protective components according to claim 6, characterized in that, The side limit bar (22) has several movable columns (23) fixedly installed on its side. The support plate (13) has several movable grooves (24) adapted to the movable columns (23) on its side. A spring (25) is fixedly installed between the end of the movable column (23) and the inner wall of the movable groove (24).

8. A metal bracket welding robot with protective components according to claim 1, characterized in that, The first protective plate (11) is fixedly installed with a second mounting plate (26) for installation. The first protective plate (11) is provided with a telescopic plate (27) that can be adjusted up and down. The first protective plate (11) is provided with a telescopic groove (28) that is adapted to the telescopic plate (27). Both the telescopic plate (27) and the first protective plate (11) are provided with transparent observation windows (31) that are transparent.

9. A metal bracket welding robot with protective components according to claim 8, characterized in that, The first protective plate (11) is provided with adjustment grooves (29) on opposite sides, and a third limiting bolt (30) with one end threadedly connected to the side of the telescopic plate (27) is inserted in the adjustment groove (29).

10. A metal bracket welding robot with protective components according to claim 1, characterized in that, The welding table (5) is fixedly installed with a plug-in seat (32) at the bottom. The rotating table (3) is provided with a connecting seat (33) at the top, which is fixedly installed with the output end of the second drive motor (6). The connecting seat (33) is provided with a plug-in groove (34) that is adapted to the plug-in seat (32) at the top. A fourth limiting bolt (35) with one end threaded to the side of the connecting seat (32) is provided on the side of the connecting seat (33).

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