A welding positioning robot for steel processing

Abstract

The present invention belongs to the technical field of welding robots and specifically discloses a welding positioning robot for steel processing, comprising a workbench, a steel workpiece placed on the upper surface of the workbench, a servo drive mechanism installed inside the workbench, a fixed frame provided above the workbench, a feeding mechanism and a material storage frame provided inside the fixed frame, and a plurality of reinforcement plates stacked and installed inside the material storage frame. The present invention realizes automatic feeding of the reinforcement plates by cooperating with the feeding mechanism and the material storage frame. After feeding the reinforcement plates, the robot automatically completes a flipping action, adjusts the reinforcement plates to an upright position, and accurately places them on the surface of the steel workpiece, preparing the positioning for subsequent welding by the welding robot assembly, reducing manual intervention and improving production efficiency.

Description

Technical Field

[0001] The invention belongs to the technical field of welding robots, and specifically discloses a welding positioning robot for steel processing. Background Art

[0002] The steel processing welding positioning robot is an industrial robot specifically designed for welding tasks, capable of completing high-quality welding work without human intervention. This robot uses a high-precision positioning system to ensure accurate welding position, thereby improving welding quality and production efficiency.

[0003] Existing welding positioning robots used in steel processing need to temporarily fix the reinforcement plates to the surface of steel parts through spot welding when welding reinforcement plates to the surface of steel parts. After confirming that the position is correct, the welding robot is used to perform formal welding to ensure the welding quality. However, the spot welding of reinforcement plates is time-consuming and labor-intensive, which greatly affects work efficiency. Summary of the Invention

[0004] In view of this, the purpose of the present invention is to propose a welding positioning robot for steel processing, so as to solve the problem that in the prior art, when welding a reinforcing plate on the surface of a steel part, it is necessary to first temporarily fix the reinforcing plate on the surface of the steel part by spot welding, and then perform formal welding by a welding robot after confirming that the position is correct, so as to ensure the welding quality. However, the spot welding of the reinforcing plate is time-consuming and labor-intensive, which greatly affects work efficiency.

[0005] To achieve the above purpose, the present invention provides a welding positioning robot for steel processing, comprising a workbench, a steel workpiece is placed on the upper surface of the workbench, a servo drive mechanism is installed inside the workbench, a fixed frame is provided above the workbench, guide blocks are fixedly installed on both sides of the fixed frame, the bottom of the guide block cooperates with the servo drive mechanism, the fixed frame is located directly above the steel workpiece, the guide block is located on the side of the steel workpiece, a feeding mechanism and a material storage frame are provided inside the fixed frame, a plurality of reinforcing plates are stacked and installed inside the material storage frame, and the reinforcing plates are used to be welded to the surface of the steel workpiece. The blanking mechanism cooperates with the material storage frame, and the blanking mechanism can install the reinforcing plate upright on the surface of the steel part. A welding robot assembly is installed on the side of the workbench, and the welding robot assembly is used to weld the reinforcing plate to the surface of the steel part. An L-shaped main plate is fixedly installed at the rear end of the bottom of the fixed frame, and fixed side strips are fixedly installed on both sides of the L-shaped main plate. A flip plate is movably provided above the L-shaped main plate and between the two fixed side strips. The flip plate is at the front end of the L-shaped main plate, and a gear is installed at the front end of the flip plate. The end of the gear is connected to the fixed side strips through a rotating shaft. The top of the baffle is provided with a through slot, and a light rod is movably installed in the through slot, and the front end of the swing rod is connected to the light rod through a rotating shaft, and the rear end of the swing rod is fixedly provided with a convex column, and the convex column is movably installed in the front of the fixed frame. The cam is movably arranged in the movable groove, and extrusion blocks are fixedly installed on both sides of the material storage frame, and the upper surface of the extrusion block is set to an inclined shape. The surface of the extrusion block is slidably installed in the movable groove, and the surface of the L-shaped main plate is slidably installed with an L-shaped sliding plate. The front end of the L-shaped sliding plate is provided with a rack, and the front end of the L-shaped sliding plate is movably installed under the flip plate, and the rack is meshed with the gear. The rear end of the L-shaped sliding plate is fixedly provided with a guide column, and the guide column movably passes through the L-shaped main plate, and a first spring is provided on the surface of the guide column and between the L-shaped main plate and the L-shaped sliding plate.

[0006] In the above technical solution, preferably, the width of the fixing frame is greater than the width of the steel member, the width of the L-shaped main body plate is less than the width of the steel member, and the L-shaped main body plate is movably arranged inside the steel member.

[0007] In the above technical solution, preferably, an extension plate is fixedly installed at the rear end of the bottom of the material storage frame, support plates are installed at both ends of the bottom of the extension plate, the support plates are used to support the reinforcing plate, and a protruding plate is fixed at the front end of the bottom of the material storage frame, an output port is reserved between the support plate and the protruding plate, and a groove is provided at the bottom of the extension plate and between the two support plates.

[0008] In the above technical solution, preferably, a protruding platform is fixedly installed at the middle end of the top of the flap, and the two support plates are slidably installed on the sides of the protruding platform respectively. The top of the protruding platform and the top of the support plate are at the same horizontal height, and a shielding component is provided at the rear end of the protruding platform, and the shielding component cooperates with the groove.

[0009] In the above technical solution, preferably, the shielding assembly includes a recovery groove, which is opened on the rear end surface of the protruding platform, and a second spring is provided inside the recovery groove. The top end of the second spring is connected to a shielding block, and the shielding block is movably installed in the recovery groove through the second spring, and the rear end of the shielding block is provided with an arc surface.

[0010] In the above technical solution, preferably, a cylinder is installed at the rear of the fixed frame, the output end of the cylinder is connected to the storage frame, a slide groove is provided on the upper surface of the fixed side bar, a slide bar is fixedly installed at the bottom of the support plate, and the slide bar is slidably installed in the slide groove.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] The moving path and position of the material storage frame are precisely controlled by the cylinder, which can realize orderly automatic unloading of the reinforcement plate, avoiding the error and efficiency loss of manual material removal. The L-shaped sliding plate, rack and gear form a sophisticated transmission mechanism. When the material storage frame moves, the L-shaped sliding plate slides under force, driving the rack to convert the linear motion into the circular motion of the gear, thereby automatically completing the flipping action of the flap and adjusting the reinforcement plate to an upright state. At the same time, when the material storage frame moves, the extrusion blocks on both sides slide in the movable groove, pushing the swing rod to swing, and through the cooperation of the light rod and the through groove, the material storage frame automatically turns over. The baffle is dynamically controlled to slide down, and the reinforcement plate is stably clamped and positioned after it is erected. When the reinforcement plate is flipped and adjusted to the upright state, the baffle can cover the surface of the reinforcement plate to ensure the stability of the reinforcement plate in the upright state. Due to the gravity of the reinforcement plate itself and the distance between the flap and the surface of the steel part, the reinforcement plate can fall naturally and accurately contact the surface of the steel part, which is convenient for welding. The various components of the whole system work closely together to realize the full process automation of the reinforcement plate from storage, unloading, flipping to positioning, effectively reducing manual intervention and greatly improving the production efficiency of steel welding and positioning. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic structural diagram of the welding robot assembly of the present invention;

[0014] Figure 2 It is a schematic diagram of the workbench structure of the present invention;

[0015] Figure 3 It is a schematic diagram of the fixing frame structure of the present invention;

[0016] Figure 4 This is a schematic diagram of the internal structure of the fixing frame of the present invention;

[0017] Figure 5 This is a schematic diagram of the internal structure of the material storage frame of the present invention;

[0018] Figure 6 It is a structural schematic diagram of the blanking mechanism of the present invention;

[0019] Figure 7 This is a structural schematic diagram of the blanking mechanism of the present invention from another perspective;

[0020] Figure 8 For the present invention Figure 7 Enlarged view of point A in the middle;

[0021] Figure 9 This is a schematic diagram of the flap structure of the present invention;

[0022] Figure 10 It is a schematic structural diagram of the material storage frame of the present invention.

[0023] In the figure: 1. Welding robot assembly; 2. Workbench; 3. Steel parts; 4. Reinforcement plate; 5. Fixed frame; 6. Guide block; 7. Unloading mechanism; 8. L-shaped main plate; 9. Fixed side bar; 10. Flip plate; 11. Gear; 12. Projecting platform; 13. L-shaped sliding plate; 14. Rack; 15. Guide column; 16. First spring; 17. Storage frame; 18. Support plate; 19. Projecting plate; 20. Output port; 21. Groove; 22. Shielding assembly; 23. Recovery trough; 24. Second spring; 25. Shielding block; 26. Slide; 27. Slide; 28. Swing rod; 29. ​​Boss; 30. Baffle; 31. Through slot; 32. Vertical slot; 33. Light rod; 34. Cylinder; 35. Movable slot; 36. Extrusion block. DETAILED DESCRIPTION

[0024] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0025] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0026] like Figures 1-10 The welding positioning robot for steel processing shown in the figure includes a workbench 2, a steel part 3 is placed on the upper surface of the workbench 2, a servo drive mechanism is installed inside the workbench 2, and the servo drive mechanism realizes precise position control through a servo motor and a servo control system, which can be used for translation adjustment. It is an existing and mature mechanism and will not be elaborated on here. A fixed frame 5 is provided above the workbench 2, and guide blocks 6 are fixedly installed on both sides of the fixed frame 5. The bottom of the guide block 6 cooperates with the servo drive mechanism, the fixed frame 5 is directly above the steel part 3, and the guide block 6 is on the side of the steel part 3. A feeding mechanism 7 and a storage frame 17 are provided inside the fixed frame 5, and the internal stacking arrangement of the storage frame 17 is arranged. It is equipped with multiple reinforcing plates 4, which are used to be welded on the surface of the steel part 3. The unloading mechanism 7 cooperates with the storage frame 17. The unloading mechanism 7 can install the reinforcing plates 4 upright on the surface of the steel part 3. A welding robot assembly 1 is installed on the side of the workbench 2. The welding robot assembly 1 is used to weld the reinforcing plates 4 to the surface of the steel part 3. The unloading mechanism 7 cooperates with the storage frame 17 to realize the automatic unloading operation of the reinforcing plates 4. After the reinforcing plates 4 are unloaded, the flipping action can be automatically completed. The reinforcing plates 4 will be adjusted to an upright state and accurately placed on the surface of the steel part 3, preparing for the subsequent positioning of the welding robot assembly 1 for welding, reducing manual intervention and improving production efficiency.

[0027] The rear end of the bottom of the fixed frame 5 is fixedly installed with an L-shaped main body plate 8, and fixed side strips 9 are fixedly installed on both sides of the L-shaped main body plate 8. A flap 10 is movably provided above the L-shaped main body plate 8 and between the two fixed side strips 9. The flap 10 is at the front end of the L-shaped main body plate 8, and a gear 11 is installed at the front end of the flap 10. The end of the gear 11 is connected to the fixed side strips 9 through a rotating shaft. The fixed frame 5 serves as a structure for carrying and positioning related components. The L-shaped main body plate 8 is fixed at its bottom rear end. The two fixed side strips 9 provide a frame foundation for the installation and movement of components such as the flap 10. The flap 10 is at the front end of the L-shaped main body plate 8 and is between the two fixed side strips 9. Between the fixed side bars 9, this installation method allows the flap 10 to rotate around the rotating shaft connected to the fixed side bars 9. When the reinforcing plate 4 falls from the storage frame 17 to the surface of the flap 10, since the gear 11 is installed at the front end of the flap 10 and is connected to the fixed side bar 9 through the rotating shaft, the rotation of the gear 11 can drive the flap 10 to flip around the rotating shaft. During the flipping process of the flap 10, the reinforcing plate 4 originally placed parallel to its surface will gradually change its posture with the rotation of the flap 10, and will eventually be adjusted to an upright state and accurately placed on the surface of the steel part 3, preparing for positioning for subsequent welding by the welding robot assembly 1.

[0028] The width of the fixed frame 5 is greater than the width of the steel part 3, and the width of the L-shaped main plate 8 is less than the width of the steel part 3. The L-shaped main plate 8 is movably arranged inside the steel part 3. The width of the fixed frame 5 is greater than the width of the steel part 3, and the steel part 3 can be positioned and framed as a whole, providing a stable placement space for the steel part 3 on the workbench 2 to ensure that it will not be arbitrarily offset due to external interference during the welding process, thereby ensuring the accuracy of the welding position. The width of the L-shaped main plate 8 is less than the width of the steel part 3 and is arranged inside the steel part 3. This layout can provide an installation basis for components such as the flap 10 without hindering the normal placement of the steel part 3. At the same time, the flap 10 can more accurately guide the reinforcement plate 4 to the appropriate welding position on the surface of the steel part 3, reduce positioning deviation, and improve welding quality.

[0029] An extension plate is fixedly installed at the rear end of the bottom of the storage frame 17, and support plates 18 are installed at both ends of the bottom of the extension plate. The support plate 18 is used to support the reinforcement plate 4. A protruding plate 19 is fixedly provided at the front end of the bottom of the storage frame 17, and an output port 20 is reserved between the support plate 18 and the protruding plate 19. A groove 21 is provided at the bottom of the extension plate and between the two support plates 18. Multiple reinforcement plates 4 are stacked and stored in the storage frame 17. The reinforcement plates 4 fall due to their own gravity. The extension plate at the rear end of the bottom of the storage frame 17 and the support plates 18 at both ends work together to provide stable support for the reinforcement plates 4, so that the reinforcement plates 4 are neatly stacked.

[0030] The middle end of the top of the flap 10 is fixedly mounted with a protruding platform 12, and two support plates 18 are slidably mounted on the sides of the protruding platform 12. The protruding platform 12 provides a sliding track and support for the support plate 18, so that the support plate 18 can slide flexibly in a specific direction. The top of the protruding platform 12 and the top of the support plate 18 are at the same horizontal height. The rear end of the protruding platform 12 is provided with a shielding component 22, which cooperates with the groove 21. By making the top of the protruding platform 12 and the top of the support plate 18 at the same horizontal height, when the storage frame 17 is at When it is directly above the flip plate 10, the bottom of the lowest reinforcing plate 4 can contact the support plate 18 and the protruding platform 12 at the same time, which can ensure the stability of the reinforcing plate 4 and avoid the reinforcing plate 4 from tilting or being placed unstable due to inconsistent support heights. When the material storage frame 17 moves to the rear of the flip plate 10, the shielding component 22 will block the rear of the lowest reinforcing plate 4, so that the lowest reinforcing plate 4 will remain on the surface of the protruding platform 12. After the material storage frame 17 moves to the rear of the flip plate 10, the remaining reinforcing plates 4 will fall downward due to their own gravity.

[0031] The shielding assembly 22 includes a recovery groove 23, which is opened on the rear end surface of the protruding platform 12. A second spring 24 is provided inside the recovery groove 23, and a shielding block 25 is connected to the top of the second spring 24. The shielding block 25 is movably installed in the recovery groove 23 through the second spring 24. The rear end of the shielding block 25 is provided with an arc surface. In the initial state, the second spring 24 is in a naturally extended state. Under the support of the second spring 24, the shielding block 25 partially extends out of the recovery groove 23, and the arc surface of its rear end is exposed to the outside, forming a shield for the rear of the lowest reinforcing plate 4 in the storage frame 17. Afterwards, when the storage frame 17 is flipped from In the process of moving the rear of the plate 10 to just above the flip plate 10, the reinforcing plate 4 will contact the curved surface of the blocking block 25. Due to the design of the curved surface, the reinforcing plate 4 will generate an extrusion force on the blocking block 25, so that the blocking block 25 can overcome the elastic force of the second spring 24, compress the second spring 24 and move into the recovery slot 23, thereby providing avoidance space for the smooth removal of the reinforcing plate 4. When the material storage frame 17 moves to just above the flip plate 10, the extrusion force acting on the surface of the blocking block 25 disappears, the second spring 24 returns to its original state, and pushes the blocking block 25 to extend out of the recovery slot 23 again, returning to the initial position for blocking the subsequent reinforcing plate 4.

[0032] The inner wall of the fixed frame 5 is provided with a movable groove 35, and a swing rod 28 is installed on the inner wall of the fixed frame 5 and above the movable groove 35 through a rotating shaft. A baffle 30 is movably installed in the front of the interior of the fixed frame 5, and a vertical groove 32 is provided at the front end of the interior of the fixed frame 5. A tension spring is provided inside the vertical groove 32, and a convex strip is provided on the surface of the baffle 30. The convex strip is slidably installed in the vertical groove 32, and the bottom of the tension spring is connected to the convex strip. A through groove 31 is provided at the top of the baffle 30, and a light rod 33 is movably installed inside the through groove 31. The front end of the swing rod 28 is connected to the light rod 33 through a rotating shaft, and the rear end of the swing rod 28 is fixedly installed with a boss 29, which is movably set in the movable groove 35. Extrusion blocks 36 are fixedly installed on both sides of the storage frame 17. The upper surface of the extrusion block 36 is set to an inclined shape, and the surface of the extrusion block 36 is slidably installed in the movable groove When the material storage frame 17 moves toward the rear of the flip plate 10 in the fixed frame 5, the extrusion blocks 36 on both sides of the material storage frame 17 move together with the material storage frame 17. Since the surface of the extrusion blocks 36 is slidably installed in the movable groove 35, the extrusion blocks 36 will push the boss 29 to move upward in the movable groove 35 during the sliding process in the movable groove 35. The boss 29 is fixedly installed at the rear end of the swing rod 28. The movement of the boss 29 drives the swing rod 28 to swing around the rotating axis of the inner wall of the fixed frame 5. According to the lever principle, the other end of the swing rod 28 will move downward, and under the action of the light rod 33 and the through groove 31, the baffle 30 will be pushed to slide downward along the vertical groove 32. When the reinforcing plate 4 is flipped and adjusted to the upright state, the baffle 30 can block the surface of the reinforcing plate 4, thereby ensuring the stability of the reinforcing plate 4 in the upright state.

[0033] The L-shaped sliding plate 13 is provided with a rack 14 at the front end thereof, and the rack 14 is always in meshing state with the gear 11, and the backward sliding of the L-shaped sliding plate 13 drives the rack 14 to move. The first spring 16 is located between the L-shaped main plate 8 and the L-shaped sliding plate 13. When the L-shaped sliding plate 13 slides backward, the first spring 16 will be compressed. When the L-shaped sliding plate 13 is not subject to external pressure, the L-shaped sliding plate 13 will be reset. Under the action of the gear 11 and the rack 14, the flip plate 10 will also be reset.

[0034] A cylinder 34 is installed at the rear of the fixed frame 5, and the output end of the cylinder 34 is connected to the material storage frame 17. A slide groove 26 is provided on the upper surface of the fixed side bar 9, and a slide bar 27 is fixedly installed at the bottom of the support plate 18. The slide bar 27 is slidably installed in the slide groove 26. The cylinder 34 serves as a power source. When the cylinder 34 receives the control signal, its output end performs telescopic movement, thereby pushing or pulling the material storage frame 17 to move in the fixed frame 5, realizing precise control of the position of the material storage frame 17, and providing power support for the unloading and positioning of the reinforcement plate 4. The slide bar 27 at the bottom of the support plate 18 cooperates with the slide groove 26 provided on the upper surface of the fixed side bar 9, and the slide bar 27 can slide smoothly in the slide groove 26, ensuring that the support plate 18 moves smoothly in a specific direction, so that the support plate 18 always maintains a good support and positioning relationship with the reinforcement plate 4, ensuring the stability of the reinforcement plate 4 during the transportation process.

[0035] Working principle: First, place the steel part 3 on the upper surface of the workbench 2, the welding robot assembly 1 is installed on the side of the workbench 2 and is in a standby state, and multiple reinforcement plates 4 are stacked and installed in the storage frame 17, and then the cylinder 34 controls its output end to extend, pushing the storage frame 17 to move directly above the flip plate 10 in the fixed frame 5. During the movement, the reinforcement plate 4 in the storage frame 17 will contact the curved surface of the blocking block 25, and the reinforcement plate 4 will generate an extrusion force on the blocking block 25, so that the blocking block 25 overcomes the elastic force of the second spring 24, compresses the second spring 24 and moves into the recovery slot 23, and the reinforcement plate 4 passes smoothly. When the storage frame 17 moves to directly above the flip plate 10, the extrusion force acting on the surface of the blocking block 25 disappears, and the second spring 24 returns to its original state, pushing The movable blocking block 25 extends out of the recovery slot 23 again to block the subsequent reinforcing plate 4. At this time, the bottom of the lowest reinforcing plate 4 contacts the support plate 18 and the protruding platform 12 at the same time, keeping it stably placed on the flip plate 10. The cylinder 34 moves again, the output end retracts, and the material storage frame 17 moves to the rear of the flip plate 10 in the fixed frame 5. At this time, the blocking block 25 has a blocking effect on the lowest reinforcing plate 4. The lowest reinforcing plate 4 will move out of the material storage frame 17 through the output port 20, so that the lowest reinforcing plate 4 will be retained on the surface of the protruding platform 12. Then the extension plate of the material storage frame 17 contacts the L-shaped sliding plate 13 and generates a force to push it backward. The L-shaped sliding plate 13 slides backward along the surface of the L-shaped main plate 8, and the rack 14 at its front end moves backward synchronously. Since the rack 14 is meshed with the gear 11, the linear motion of the rack 14 is converted into the circular motion of the gear 11, driving the gear 11 to rotate around the rotating shaft, thereby driving the flap 10 to rotate around the rotating shaft. During the flipping process of the flap 10, the reinforcing plate 4 originally placed parallel to its surface will gradually change its posture as the flap 10 rotates, and is finally adjusted to an upright state. In the process of the material storage frame 17 moving toward the rear of the flap 10, the extrusion blocks 36 on both sides of the material storage frame 17 slide in the movable groove 35, pushing the boss 29 to move upward in the movable groove 35, and the boss 29 drives the swing rod 28 to swing around the rotating shaft of the inner wall of the fixed frame 5. According to the principle of leverage, the other end of the swing rod 28 will move downward, and through the action of the light rod 33 and the through groove 31, the baffle 30 is pushed along The vertical slot 32 slides downward, and when the reinforcing plate 4 is flipped and adjusted to the upright state, the baffle 30 blocks the surface of the reinforcing plate 4 to ensure the stability of the reinforcing plate 4 in the upright state. Since the reinforcing plate 4 itself has a certain gravity, and the flip plate 10 is in the upright state, there is still a certain distance between its bottom and the surface of the steel part 3, so that the reinforcing plate 4 will fall naturally after flipping, and the bottom of the reinforcing plate 4 will contact the surface of the steel part 3. The flip plate 10 and the baffle 30 will clamp and position the top of the reinforcing plate 4. After the reinforcing plate 4 is erected on the surface of the steel part 3, the welding robot assembly 1 is started to perform welding operations on the bottom and side surfaces of the reinforcing plate 4 that is erected on the surface of the steel part 3 and is on the side of the baffle 30. After welding, the reinforcing plate 4 will be fixed to the surface of the steel part 3.After welding is completed, the cylinder 34 pushes the material storage frame 17 again to move directly above the flap 10 within the fixed frame 5. The L-shaped sliding plate 13, no longer under the pressure of the material storage frame 17, is reset forward by the action of the first spring 16. Through the action of the gear 11 and rack 14, the flap 10 is also reset to its initial position, ready for the next reinforcement plate 4 cutting operation. Finally, the servo drive mechanism drives the fixed frame 5 to move toward the rear of the steel part 3, achieving the welding of multiple reinforcement plates 4 at different positions on the steel part 3. After the reinforcement plates 4 are cut, the welding robot assembly 1 moves in the opposite direction to weld the other end of the reinforcement plate 4.

[0036] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. Various changes and improvements are possible without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the invention as claimed.

Claims

1. A welding positioning robot for steel processing, comprising a workbench (2), characterized in that: A steel part (3) is placed on the upper surface of the workbench (2), a servo drive mechanism is installed inside the workbench (2), a fixed frame (5) is provided above the workbench (2), guide blocks (6) are fixedly installed on both sides of the fixed frame (5), the bottom of the guide block (6) cooperates with the servo drive mechanism, the fixed frame (5) is located directly above the steel part (3), the guide block (6) is located on the side of the steel part (3), a blanking mechanism (7) and a storage frame (17) are provided inside the fixed frame (5), a plurality of reinforcing plates (4) are stacked and installed inside the storage frame (17), the reinforcing plates (4) are used to be welded to the surface of the steel part (3), the blanking mechanism (7) and the storage frame (17) are connected to each other. 7), the blanking mechanism (7) can vertically install the reinforcing plate (4) on the surface of the steel part (3), a welding robot assembly (1) is installed on the side of the workbench (2), and the welding robot assembly (1) is used to weld the reinforcing plate (4) to the surface of the steel part (3), an L-shaped main plate (8) is fixedly installed at the rear end of the bottom of the fixing frame (5), fixed side strips (9) are fixedly installed on both sides of the L-shaped main plate (8), a flap (10) is movably provided above the L-shaped main plate (8) and between the two fixed side strips (9), the flap (10) is located at the front end of the L-shaped main plate (8), and a gear (11) is installed at the front end of the flap (10), and the gear (11) The end of the fixed side bar (9) is connected to the fixed side bar (9) through a rotating shaft, the inner wall of the fixed frame (5) is provided with a movable groove (35), and the inner wall of the fixed frame (5) and above the movable groove (35) are provided with a swing rod (28) through a rotating shaft. A baffle (30) is movably installed in the front of the interior of the fixed frame (5), a vertical groove (32) is provided at the front end of the interior of the fixed frame (5), a tension spring is provided inside the vertical groove (32), a convex strip is provided on the surface of the baffle (30), the convex strip is slidably installed in the vertical groove (32), and the bottom of the tension spring is connected to the convex strip, a through groove (31) is provided at the top of the baffle (30), a light rod (33) is movably installed inside the through groove (31), and the swing rod (30) is provided at the top of the baffle (30). The front end of the movable rod (28) is connected to the light rod (33) through a rotating shaft, and a boss (29) is fixedly installed at the rear end of the swing rod (28), and the boss (29) is movably arranged in the movable groove (35). Extrusion blocks (36) are fixedly installed on both sides of the material storage frame (17), and the upper surface of the extrusion block (36) is set to be inclined. The surface of the extrusion block (36) is slidably installed in the movable groove (35). The surface of the L-shaped main plate (8) is slidably installed with an L-shaped sliding plate (13), and the front end of the L-shaped sliding plate (13) is provided with a rack (14). The front end of the L-shaped sliding plate (13) is movably installed below the flap (10), and the rack (14) is engaged with the gear (11).A guide post (15) is fixedly provided at the rear end of the L-shaped sliding plate (13), and the guide post (15) is movable through the L-shaped main plate (8). A first spring (16) is provided on the surface of the guide post (15) and between the L-shaped main plate (8) and the L-shaped sliding plate (13).

2. A welding positioning robot for steel processing according to claim 1, characterized in that: The width of the fixing frame (5) is greater than the width of the steel member (3), the width of the L-shaped main body plate (8) is less than the width of the steel member (3), and the L-shaped main body plate (8) is movably arranged inside the steel member (3).

3. The welding positioning robot for steel processing according to claim 1, characterized in that: An extension plate is fixedly mounted at the rear end of the bottom of the material storage frame (17), support plates (18) are mounted at both ends of the bottom of the extension plate, and the support plates (18) are used to support the reinforcing plate (4). A protruding plate (19) is fixedly mounted at the front end of the bottom of the material storage frame (17), an output port (20) is reserved between the support plate (18) and the protruding plate (19), and a groove (21) is provided at the bottom of the extension plate and between the two support plates (18).

4. A welding positioning robot for steel processing according to claim 3, characterized in that: A protruding platform (12) is fixedly mounted at the middle end of the top of the flap (10), and the two support plates (18) are slidably mounted on the sides of the protruding platform (12), respectively. The top of the protruding platform (12) and the top of the support plate (18) are at the same horizontal height, and a shielding component (22) is provided at the rear end of the protruding platform (12), and the shielding component (22) cooperates with the groove (21).

5. The welding positioning robot for steel processing according to claim 4, characterized in that: The shielding assembly (22) includes a recovery groove (23), the recovery groove (23) is opened on the rear end surface of the protruding platform (12), a second spring (24) is provided inside the recovery groove (23), the top end of the second spring (24) is connected to a shielding block (25), the shielding block (25) is movably installed in the recovery groove (23) through the second spring (24), and the rear end of the shielding block (25) is provided with an arc surface.

6. The welding positioning robot for steel processing according to claim 3, characterized in that: A cylinder (34) is installed at the rear of the fixed frame (5), and the output end of the cylinder (34) is connected to the storage frame (17). A slide groove (26) is provided on the upper surface of the fixed side bar (9), and a slide bar (27) is fixedly installed at the bottom of the support plate (18), and the slide bar (27) is slidably installed in the slide groove (26).

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