H-shaped steel splicing and welding device for steel structure production line

Abstract

The utility model relates to the field of H-shaped steel welding, and discloses a steel structure production line H-shaped steel splicing and welding device which comprises a supporting base, lifting air cylinders are fixedly connected to the four corners of the supporting base, a top plate is fixedly connected to the upper ends of the lifting air cylinders, welding guns are correspondingly arranged on the two sides of the lower end of the top plate, and a control mechanism for driving the welding guns to move is arranged on the bottom face of the top plate. A fixing table is fixedly connected to the upper end of the supporting base, first positioning clamping plates located on the two sides of the fixing table are slidably connected to the supporting base, a control cavity is formed in the fixing table, an adjusting mechanism for driving the first positioning clamping plates on the two sides to slide is arranged in the control cavity, and side plates are fixedly connected to the two sides of the supporting base. Clamping air cylinders are fixedly connected to the sides, close to the fixing table, of the side plates on the two sides, and the output ends of the clamping air cylinders are fixedly connected with second positioning clamping plates. Compared with the prior art, the H-shaped steel positioning device has the advantages that a steel plate can be effectively positioned before H-shaped steel is welded, and the welding stability is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field, in particular to an H-shaped steel splicing and welding device for a steel structure production line. Background Art

[0002] The H-shaped steel is an economic section high-efficiency profile with more optimized cross-sectional area distribution and more reasonable strength-to-weight ratio. It is named because its cross-section is the same as the English letter "H". Since all parts of the H-shaped steel are arranged at right angles, the H-shaped steel has the advantages of strong bending resistance in all directions, simple construction, cost saving, and light structural weight, and has been widely used. The H-shaped steel is usually formed by welding during the processing. However, during the welding process of the H-shaped steel by the existing welding device, the staff usually manually supports the steel plate to splice and position the H-shaped steel, which is difficult to ensure the welding stability and greatly affects the welding quality. Content of the Utility Model

[0003] (1) Technical Problems to be Solved

[0004] The technical problem to be solved by the utility model is that the plates cannot be stably spliced and positioned before welding, which greatly affects the stability of the welding process.

[0005] (2) Technical Solutions

[0006] To solve the above technical problems, the technical solution provided by the utility model is: an H-shaped steel splicing and welding device for a steel structure production line, including a support base, four corners of the support base are fixedly connected with lifting cylinders, the upper ends of the lifting cylinders are fixedly connected with a top plate, welding torches are arranged on both sides corresponding to the lower end of the top plate, a control mechanism for driving the movement of the welding torches is arranged on the bottom surface of the top plate, a fixed table is fixedly connected to the upper end of the support base, first positioning clamps located on both sides of the fixed table are slidably connected to the support base, a control cavity is arranged inside the fixed table, and an adjusting mechanism for driving the sliding of the first positioning clamps on both sides is arranged inside the control cavity. Side plates are fixedly connected to both sides of the support base, clamping cylinders are fixedly connected to one side of both side plates close to the fixed table, and second positioning clamps are fixedly connected to the output ends of the clamping cylinders.

[0007] As an improvement, support cylinders arranged on both sides corresponding to each other are fixedly connected inside the control cavity, and a support plate is fixedly connected to one end of the support cylinder extending to the fixed table.

[0008] As an improvement, the adjusting mechanism includes a rotating shaft rotatably connected to the control cavity. One end of the fixed platform is fixedly connected with a first motor for driving the rotating shaft to rotate. A plurality of gears are rotatably connected to the rotating shaft along the length direction. Both the upper and lower ends in the control cavity are slidably connected with racks meshing with the gears. Both sides of the fixed platform are provided with sliding holes cooperating with the racks. One ends of the two racks extending outside the sliding holes are respectively fixedly connected with the two first positioning clamping plates.

[0009] As an improvement, the control mechanism includes electric push rods fixedly connected to both sides of the bottom surface of the top plate. The output ends of the two electric push rods are both fixedly connected with moving boxes. A lead screw device is arranged in the moving box along the length direction. The welding torch is fixedly connected to the lower end of the lead screw device. One end of the moving box is fixedly connected with a second motor for driving the moving lead screw to rotate.

[0010] As an improvement, the lead screw device includes a moving lead screw rotatably connected in the moving box. A moving block threadedly connected to the outer wall of the moving lead screw is slidably connected in the moving box. The welding torch is fixedly connected to the bottom surface of the moving block.

[0011] As an improvement, a pressing air cylinder is fixedly connected to the top plate. The output end of the pressing air cylinder is fixedly connected with a pressing plate located directly above the fixed platform.

[0012] (III) Beneficial effects

[0013] The advantages of the present utility model compared with the prior art are as follows: Place the web in the middle of the H-shaped steel on the fixed platform, vertically place the two flange plates at both ends of the web, start the adjusting mechanism to drive the two first positioning clamping plates to abut against the inner sides of the flange plates, and at the same time, push the two second positioning clamping plates to abut against the outer sides of the flange plates through the two clamping air cylinders on both sides, so as to realize the positioning of the positions of the two flange plates, prevent the flange plates from being skewed or displaced, and greatly improve the welding stability. Description of the drawings

[0014] Figure 1 is an exploded view of a device for splicing and welding H-shaped steel on a steel structure production line according to the present utility model.

[0015] Figure 2 is a schematic structural diagram of a device for splicing and welding H-shaped steel on a steel structure production line according to the present utility model.

[0016] Figure 3 is a cross-sectional view of a device for splicing and welding H-shaped steel on a steel structure production line according to the present utility model.

[0017] Figure 4 is an enlarged view of a partial structure of a device for splicing and welding H-shaped steel on a steel structure production line according to the present utility model.

[0018] As shown in the figure: 1. Support base; 2. Top plate; 3. Lifting cylinder; 4. Welding torch; 5. Fixed table; 6. First positioning clamping plate; 7. Rotating shaft; 8. Gear; 9. Rack; 10. First motor; 11. Side plate; 12. Clamping cylinder; 13. Second positioning clamping plate; 14. Support plate; 15. Support cylinder; 16. Pressing cylinder; 17. Pressing plate; 18. Moving box; 19. Second motor; 20. Electric push rod; 21. Moving lead screw; 22. Moving block; 23. Slide hole; 24. Control cavity. Detailed implementation

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0020] As Figures 1 to 4 shown, a splicing and welding device for H-shaped steel in a steel structure production line includes a support base 1. Four corners of the support base 1 are fixedly connected with lifting cylinders 3. The upper ends of the lifting cylinders 3 are fixedly connected with a top plate 2. A welding torch 4 is arranged on both sides corresponding to the lower end of the top plate 2. A control mechanism for driving the movement of the welding torch 4 is arranged on the bottom surface of the top plate 2. The control mechanism includes electric push rods 20 fixedly connected to both sides of the bottom surface of the top plate 2. Output ends of the electric push rods 20 on both sides are fixedly connected with moving boxes 18. A lead screw device arranged along the length direction is arranged in the moving box 18. The welding torch 4 is fixedly connected to the lower end of the lead screw device. The lead screw device includes a moving lead screw 21 rotatably connected in the moving box 18. One end of the moving box 18 is fixedly connected with a second motor 19 for driving the rotation of the moving lead screw 21. A moving block 22 threadedly connected to the outer wall of the moving lead screw 21 is slidably connected in the moving box 18. The welding torch 4 is fixedly connected to the bottom surface of the moving block 22.

[0021] A fixed platform 5 is fixedly connected to the upper end of the support base 1. A first positioning clamp plate 6 is slidably connected to the support base 1 on both sides of the fixed platform 5. A control cavity 24 is provided in the fixed platform 5. An adjusting mechanism for driving the sliding of the first positioning clamp plates 6 on both sides is provided in the control cavity 24. The adjusting mechanism includes a rotating shaft 7 rotatably connected in the control cavity 24. A first motor 10 for driving the rotation of the rotating shaft 7 is fixedly connected to one end of the fixed platform 5. A plurality of gears 8 are rotatably connected to the rotating shaft 7 along the length direction. Both the upper and lower ends in the control cavity 24 are slidably connected with racks 9 engaged with the gears 8. Slide holes 23 cooperating with the racks 9 are provided on both sides of the fixed platform 5. One ends of the two racks 9 extending outside the slide holes 23 are respectively fixedly connected to the first positioning clamp plates 6 on both sides. Side plates 11 are fixedly connected to both sides of the support base 1. Clamping cylinders 12 are fixedly connected to one side of the two side plates 11 close to the fixed platform 5. Second positioning clamp plates 13 are fixedly connected to the output ends of the clamping cylinders 12.

[0022] Support cylinders 15 arranged correspondingly on both sides are fixedly connected in the control cavity 24. A support plate 14 is fixedly connected to one end of the support cylinder 15 extending onto the fixed platform 5. A pressing cylinder 16 is fixedly connected to the top plate 2. A pressing plate 17 located directly above the fixed platform 5 is fixedly connected to the output end of the pressing cylinder 16.

[0023] In specific use, place the H-beam web on the upper end of the support plate 14. At the same time, place the two flange plates vertically at both ends of the web and splice them with the web. Start the support cylinder 15 to push the support plate 14 to move up and down to adjust the height of the web. Start the pressing cylinder 16 to push the pressing plate 17 downward to clamp the web between the support plate 14 and the pressing plate 17 to achieve the fixation of the web. Start the clamping cylinders 12 on both sides to push the second positioning clamp plates 13 on both sides towards the flange plates on both sides, and push the flange plates on both sides to abut tightly against both ends of the web. At the same time, start the first motor 10 to drive the rotation of the rotating shaft 7. The rotating shaft 7 drives the rotation of the gears 8. The gears 8 drive the upper and lower two racks 9 to slide in opposite directions, so that the two racks 9 respectively extend out from the slide holes 23 on both sides, and push the first positioning clamp plates 6 away from the fixed platform 5, so that the first positioning clamp plates 6 on both sides abut against the inner sides of the flange plates on both sides. At the same time, the flange plates on both sides are respectively clamped and fixed between the first positioning clamp plates 6 and the second positioning clamp plates 13 on both sides to prevent the flange plates on both sides from tilting or shifting, so that the flange plates on both sides vertically abut against both sides of the web. The welding guns 4 on both sides can weld the flange plates on both sides simultaneously. Start the electric push rods 20 on both sides to push the moving box 18 to slide along the bottom surface of the top plate 2 to adjust the welding position. Start the second motor 19 to drive the rotation of the moving lead screw 21. The moving lead screw 21 drives the moving block 22 to slide along the inner wall of the moving box 18. The moving block 22 drives the welding gun 4 to weld the welds on both sides along the length direction of the web.

[0024] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0025] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

[0026] The above describes the present invention and its implementation manners. Such a description is not restrictive. What is shown in the drawings is only one of the implementation manners of the present invention, and the actual structure is not limited thereto. Generally speaking, if those of ordinary skill in the art are inspired by it and, without departing from the purpose of the present invention, design without creative efforts a structural manner and embodiments similar to this technical solution, they shall fall within the protection scope of the present invention.

Claims

1. An H-shaped steel splicing and welding device for a steel structure production line, comprising a support base (1). Four corners of the support base (1) are fixedly connected with lifting cylinders (3). The upper ends of the lifting cylinders (3) are fixedly connected with a top plate (2). Welding torches (4) are arranged on both sides corresponding to each other at the lower end of the top plate (2). A control mechanism for driving the movement of the welding torches (4) is arranged on the bottom surface of the top plate (2), and it is characterized in that: A fixed table (5) is fixedly connected to the upper end of the support base (1). A first positioning clamping plate (6) located on both sides of the fixed table (5) is slidably connected to the support base (1). A control cavity (24) is arranged inside the fixed table (5). An adjusting mechanism for driving the sliding of the first positioning clamping plates (6) on both sides is arranged inside the control cavity (24). Side plates (11) are fixedly connected to both sides of the support base (1). Clamping cylinders (12) are fixedly connected to one side of both side plates (11) close to the fixed table (5). Second positioning clamping plates (13) are fixedly connected to the output ends of the clamping cylinders (12).

2. The H-shaped steel splicing and welding device of a steel structure production line according to claim 1, characterized in that: Support cylinders (15) arranged on both sides corresponding to each other are fixedly connected inside the control cavity (24). A support plate (14) is fixedly connected to one end of the support cylinder (15) extending onto the fixed table (5).

3. The H-shaped steel splicing and welding device of a steel structure production line according to claim 1, characterized in that: The adjusting mechanism includes a rotating shaft (7) rotatably connected inside the control cavity (24). A first motor (10) for driving the rotation of the rotating shaft (7) is fixedly connected to one end of the fixed table (5). A plurality of gears (8) are rotatably connected to the rotating shaft (7) along the length direction. Rack bars (9) meshing with the gears (8) are slidably connected to both the upper and lower ends inside the control cavity (24). Slide holes (23) cooperating with the rack bars (9) are arranged on both sides of the fixed table (5). One ends of the two rack bars (9) extending outside the slide holes (23) are respectively fixedly connected to the first positioning clamping plates (6) on both sides.

4. A splicing and welding device for H-shaped steel in a steel structure production line according to claim 1, characterized in that: The control mechanism includes electric push rods (20) fixedly connected to both sides of the bottom surface of the top plate (2). Moving boxes (18) are fixedly connected to the output ends of the two electric push rods (20). A lead screw device arranged along the length direction is arranged inside the moving box (18). The welding torch (4) is fixedly connected to the lower end of the lead screw device.

5. The H-shaped steel splicing and welding device of a steel structure production line according to claim 4, characterized in that: The lead screw device includes a moving lead screw (21) rotatably connected inside the moving box (18). A moving block (22) threadedly connected to the outer wall of the moving lead screw (21) is slidably connected inside the moving box (18). The welding torch (4) is fixedly connected to the bottom surface of the moving block (22). A second motor (19) for driving the rotation of the moving lead screw (21) is fixedly connected to one end of the moving box (18).

6. The H-shaped steel splicing and welding device of a steel structure production line according to claim 1, characterized in that: A pressing cylinder (16) is fixedly connected to the top plate (2). A pressing plate (17) located directly above the fixed table (5) is fixedly connected to the output end of the pressing cylinder (16).

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