Automatic welding device for steel structure truss

Abstract

The utility model provides an automatic welding device for a steel structure truss, which relates to the technical field of truss welding and comprises a welding robot, a mounting seat is fixedly mounted at the bottom end of the welding robot, a welding head is arranged on the welding robot, and an air draft mechanism is arranged on the welding robot. The air draft mechanism comprises a fixing shell fixedly installed on the welding robot, a guide pipe is fixedly installed on the fixing shell, a suction fan is arranged on the guide pipe, and a smoke guide assembly is arranged on the fixing shell. By controlling the suction fan to operate, the suction fan can generate suction force, and in the welding process, the suction force can suck poisonous gas generated by welding into an external purification device through the outer sleeve, the telescopic pipe, the guide pipe and the hose, so that the poisonous gas can be conveniently treated, and the safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to truss welding technical field, concretely is a kind of steel structure truss automatic welding device. BACKGROUND

[0002] Through the automatic welding device of control to steel structure truss carries out automatic welding work, can promote welding efficiency and quality, applicable to building, bridge and other fields.

[0003] According to the patent with the patent number CN217344101U, a truss mobile welding device is disclosed, which includes a base, a first electric push rod is provided on the top of the base, the first electric push rod is fixedly connected with the base, a top frame is provided on the top of the first electric push rod, the top frame is fixedly connected with the first electric push rod, a drive motor is provided on the bottom of the base, the drive motor is fixedly connected with the base, two moving wheels are provided on both sides of the drive motor; the utility model drives the top frame to move upward by the first electric push rod, thereby driving the worker to move upward, the worker welds the truss of different heights, the drive motor drives the moving wheels to rotate, thereby driving the base to move horizontally, and further driving the worker to move horizontally, the truss of different positions is welded, which is automatic, convenient for welding the truss of different positions, reduces the labor intensity of the worker, and has high welding efficiency.

[0004] Based on the above search and existing technology, it is found that the above-mentioned patent has some defects. During the automatic welding process of the steel structure truss, a large amount of toxic gas is generated, which is not convenient for processing, and it is not convenient for cutting the welding head, which affects the welding efficiency. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art and provides a steel structure truss automatic welding device.

[0006] To solve the above technical problems, the technical scheme of the utility model is as follows:

[0007] The embodiment of the utility model provides a steel structure truss automatic welding device, which comprises a welding robot, a mounting seat is fixedly installed at the bottom end of the welding robot, a welding head is arranged on the welding robot, an air extraction mechanism is arranged on the welding robot, the air extraction mechanism comprises a fixed shell fixedly installed on the welding robot, a conduit is fixedly installed on the fixed shell, a suction fan is arranged on the conduit, and a smoke guide assembly is arranged on the fixed shell.

[0008] A supporting assembly is arranged on the smoke guide assembly, and a wire cutting mechanism is arranged on the supporting assembly.

[0009] The wire cutting mechanism comprises a fixed block arranged on the support assembly, a movable frame rotatably arranged on the fixed block, a support rod rotatably arranged on the movable frame, a support frame fixedly arranged on the support rod, and two second electric telescopic cylinders symmetrically arranged on the support frame.

[0010] Further, the air suction fan is connected with a hose.

[0011] Further, the smoke guide assembly comprises a telescopic pipe connected with the fixed shell, and the telescopic pipe is connected with a sleeve.

[0012] Further, the fixed shell is provided with a first electric telescopic cylinder, and the telescopic end of the first electric telescopic cylinder is fixedly arranged with an edge block fixed with the sleeve.

[0013] Further, the support assembly comprises a circular shell fixedly arranged on the sleeve, and a rotating ring is rotatably arranged on the inner side of the circular shell.

[0014] Further, the welding head is fixedly arranged with a sleeve shell matched with the support rod.

[0015] The above scheme of the utility model has at least the following beneficial effects:

[0016] 1. In the utility model, the air suction fan is controlled to operate, so that the air suction fan can generate suction force. In the welding process, the suction force can suck the toxic gas generated in the welding into the external purification device through the sleeve, the telescopic pipe, the guide pipe and the hose, so that the toxic gas can be treated conveniently, and the safety is improved.

[0017] 2. In the utility model, the telescopic end of the first electric telescopic cylinder is controlled to extend, so that the telescopic end of the first electric telescopic cylinder drives the sleeve to move through the edge block, the sleeve drives the movable frame to move through the circular shell, the rotating ring and the fixed block, the movable frame can drive the support rod to move along the inner side of the sleeve shell, the support rod drives the cutter to move to the appropriate position of the welding head through the support frame and the second electric telescopic cylinder, the telescopic end of the second electric telescopic cylinder is controlled to extend, the telescopic end of the second electric telescopic cylinder drives the cutter to perform automatic wire cutting work on the residual welding wire, and the efficiency of the welding work is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a three-dimensional structure schematic view of the steel structure truss automatic welding device of the utility model;

[0019] Figure 2 It is a three-dimensional structure schematic view of the sleeve of the steel structure truss automatic welding device of the utility model;

[0020] Figure 3 It is a round shell three-dimensional structure schematic view of the automatic welding device for the steel structure truss of the utility model;

[0021] Figure 4 It is a rotating ring explosion structure schematic view of the automatic welding device for the steel structure truss of the utility model;

[0022] Figure 5 It is a sleeve shell explosion structure schematic view of the automatic welding device for the steel structure truss of the utility model.

[0023] Mark explanation:

[0024] 1, welding robot;2, mounting seat;3, welding head;4, fixed shell;5, guide pipe;6, air suction machine;7, hose;8, telescopic pipe;9, outer sleeve;10, first electric telescopic cylinder;11, side block;12, round shell;13, rotating ring;14, fixed block;15, movable frame;16, supporting rod;17, sleeve shell;18, supporting frame;19, second electric telescopic cylinder;20, cutter. Specific implementation

[0025] Exemplary embodiments of the present application will be described hereinafter in greater detail with reference to the accompanying drawings. Although exemplary embodiments of the present application are shown in the drawings, it is understood that the present application can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided so that the present application can be more thoroughly understood and the scope of the present application can be accurately conveyed to those skilled in the art.

[0026] As Figures 1 to 5 shown, the embodiment of the present application provides an automatic welding device for steel structure truss, which comprises a welding robot 1, a mounting seat 2 is fixedly installed at the bottom end of the welding robot 1, a welding head 3 is fixedly arranged on the welding robot 1, an air suction mechanism is arranged on the welding robot 1, the air suction mechanism comprises a fixed shell 4 fixedly installed on the welding robot 1, a guide pipe 5 is fixedly installed on the fixed shell 4, an air suction machine 6 is arranged on the guide pipe 5, a smoke guide assembly is arranged on the fixed shell 4, a hose 7 is connected to the air suction machine 6, the smoke guide assembly comprises a telescopic pipe 8 connected to the fixed shell 4, and an outer sleeve 9 is connected to the telescopic pipe 8.

[0027] In the embodiment of the present application, the worker fixes the mounting seat 2 at a suitable position of the production line by using installation parts, so that the welding robot 1 can perform welding work on the steel structure truss, the hose 7 is connected to an external purification device, the worker controls the conveying device to convey the steel structure truss to a specified position, controls the welding robot 1 to move, and makes the welding head 3 move to a specified position of the steel structure truss to perform welding work;

[0028] During the welding process, the suction fan 6 is controlled to operate, so that the suction fan 6 can generate suction force, the suction force can suck the toxic gas generated by welding into the external purification device through the outer sleeve 9, the telescopic pipe 8, the conduit 5 and the hose 7, thereby facilitating the treatment of the toxic gas and improving the safety.

[0029] Figures 1 to 5 As shown, the smoke guide assembly is provided with a supporting assembly, the supporting assembly is provided with a wire cutting mechanism, the wire cutting mechanism comprises a fixed block 14 arranged on the supporting assembly, a movable frame 15 rotatably arranged on the fixed block 14, a supporting rod 16 rotatably arranged on the movable frame 15, a supporting frame 18 fixedly arranged on the supporting rod 16, and two second electric telescopic cylinders 19 fixedly arranged on the supporting frame 18 in a symmetrical manner, and a cutter 20 fixedly arranged on the telescopic end of each second electric telescopic cylinder 19, a first electric telescopic cylinder 10 fixedly arranged on the fixed shell 4, and an edge block 11 fixedly arranged on the telescopic end of the first electric telescopic cylinder 10 and fixed with the outer sleeve 9, wherein the supporting assembly comprises a circular shell 12 fixedly arranged on the outer sleeve 9, and a rotating ring 13 rotatably arranged on the inner side of the circular shell 12, and a sleeve shell 17 fixedly arranged on the welding head 3 and matched with the supporting rod 16.

[0030] In the embodiment of the utility model, the telescopic end of the first electric telescopic cylinder 10 is controlled to extend by the staff, the telescopic end of the first electric telescopic cylinder 10 drives the outer sleeve 9 to move through the edge block 11, the outer sleeve 9 drives the movable frame 15 to move through the circular shell 12, the rotating ring 13 and the fixed block 14, the movable frame 15 can drive the supporting rod 16 to move along the inner side of the sleeve shell 17, the supporting rod 16 drives the cutter 20 to move to the appropriate position of the welding head 3 through the supporting frame 18 and the second electric telescopic cylinder 19, the telescopic end of the second electric telescopic cylinder 19 is controlled to extend, and the telescopic end of the second electric telescopic cylinder 19 drives the cutter 20 to automatically cut the residual welding wire, thereby improving the efficiency of the welding work.

[0031] Then, the telescopic end of the second electric telescopic cylinder 19 is controlled to retract to the fixed end, the cutter 20 is controlled to separate from the welding head 3, the telescopic end of the first electric telescopic cylinder 10 is controlled to retract to the fixed end, and the supporting rod 16 drives the second electric telescopic cylinder 19 and the cutter 20 to move and reset through the supporting frame 18.

[0032] Working principle: the staff controls the conveying device to convey the steel structure truss to the specified position, controls the welding robot 1 to move, and drives the welding head 3 to move to the specified position of the steel structure truss to perform the welding work.

[0033] During the welding process, the suction fan 6 is controlled to operate, so that the suction fan 6 can generate suction force, the suction force can suck the toxic gas generated by welding into the external purification device through the outer sleeve 9, the telescopic pipe 8, the conduit 5 and the hose 7;

[0034] After the welding is finished, the worker controls the extension of the first electric telescopic cylinder 10 to make the first electric telescopic cylinder 10 drive the outer sleeve 9 to move through the side block 11, make the outer sleeve 9 drive the movable frame 15 to move through the round shell 12, the rotating ring 13 and the fixed block 14, make the movable frame 15 drive the supporting rod 16 to move along the inner side of the sleeve shell 17, make the supporting rod 16 drive the cutter 20 to move to the suitable position of the welding head 3 through the supporting frame 18 and the second electric telescopic cylinder 19, control the extension of the second electric telescopic cylinder 19 to make the second electric telescopic cylinder 19 drive the cutter 20 to automatically cut the residual welding wire.

[0035] The above is the preferred embodiment of the present application, it should be noted that for those skilled in the art, without departing from the principles of the present application, can make a number of improvements and refinements, these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A steel structure truss automatic welding device, comprising a welding robot (1), a mounting seat (2) is fixedly installed at the bottom end of the welding robot (1), and a welding head (3) is arranged on the welding robot (1), characterized in that: The welding robot (1) is provided with an air extraction mechanism, the air extraction mechanism comprises a fixed shell (4) fixedly installed on the welding robot (1), a duct (5) is fixedly installed on the fixed shell (4), an air extractor (6) is arranged on the duct (5), and a smoke guide assembly is arranged on the fixed shell (4); The smoke guide assembly is provided with a supporting assembly, and the supporting assembly is provided with a wire shearing mechanism; The wire shearing mechanism comprises a fixed block (14) arranged on the supporting assembly, a movable frame (15) rotatably installed on the fixed block (14), a supporting rod (16) rotatably installed on the movable frame (15), a supporting frame (18) fixedly installed on the supporting rod (16), and two second electric telescopic cylinders (19) symmetrically arranged on the supporting frame (18); a cutter (20) is fixedly installed on the telescopic end of each second electric telescopic cylinder (19).

2. The apparatus according to claim 1, wherein: The air extractor (6) is connected with a hose (7).

3. The apparatus according to claim 2, wherein: The smoke guide assembly comprises a telescopic pipe (8) connected to the fixed shell (4), and an outer sleeve (9) connected to the telescopic pipe (8).

4. The apparatus according to claim 3, wherein: A first electric telescopic cylinder (10) is arranged on the fixed shell (4), and an edge block (11) fixedly connected to the outer sleeve (9) is fixedly installed on the telescopic end of the first electric telescopic cylinder (10).

5. A steel structural truss automatic welding apparatus according to claim 4, characterized in that: The supporting assembly comprises a circular shell (12) fixedly installed on the outer sleeve (9), and a rotating ring (13) rotatably installed on the inner side of the circular shell (12).

6. A steel structural truss automatic welding apparatus according to claim 5, wherein: The welding head (3) is fixedly installed with a sleeve shell (17) matched with the supporting rod (16).

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