Welding device for butt joint of steel structures

Abstract

The utility model relates to a welding device for butt joint of steel structures, which comprises a worktable, the worktable comprises a tabletop, a first driving part is mounted on the side wall of the tabletop, the first driving part comprises a first motor, a two-way screw rod and a limiting rod, and clamping parts which are distributed at two ends of the two-way screw rod in a mirroring manner and are used for conveying pipes are movably arranged on the two-way screw rod; a second driving part for controlling the welding gun to circumferentially move around the periphery of the pipe is fixedly mounted at the bottom of the table board; the pipe clamping device has the beneficial effects that an electric push rod is controlled to enable the telescopic end of the electric push rod to drive a clamping block to move front and back, pipes of different specifications are clamped, a first motor is started, and then a sliding block connected to the outer wall of a two-way lead screw in a threaded and sleeving mode drives a connecting rod, the electric push rod and the clamping block to move into a fixing ring along the two-way lead screw together with the pipes; the welding seam of the pipe is aligned with the welding gun, the second motor is started, the driven gear meshed with the driving gear rotates synchronously, the welding gun located on the inner wall of the driven gear rotates around the welding position of the pipe, and all-directional welding is conducted on the pipe.

Description

Technical Field

[0001] The present application relates to the technical field of steel structure welding, and in particular to a welding device for butt welding of steel structures. Background Art

[0002] Steel structure is a building structure system constructed with steel as the main material. It is widely used in modern construction projects due to its high strength, light weight, good overall stiffness and excellent deformation capacity. In other industries that require a large amount of steel, such as construction and bridges, welding is a common process. In order to connect two or more steel components together, a steel structure butt welding device is required.

[0003] For example, a Chinese patent with announcement number CN217702151U discloses a steel structure butt welding adjustment device, including an operating table, a slide groove is provided in the middle of the top of the operating table, a hydraulic cylinder is fixedly installed inside the slide groove, a support plate is fixedly installed at the output end of the hydraulic cylinder, a fixing ring is fixedly installed at the top of the support plate, and threaded grooves are provided on the left and right sides of the surface of the fixing ring; the steel structure butt welding adjustment device places the two ends of a steel structure inside two fixing rings so that both ends of the steel structure are limited, and then the threaded rod is rotated to drive the limiting plate to move in the direction of the steel structure to limit the steel structure, thereby achieving the effect of fixing the steel structure and avoiding the shaking of the steel structure, and driving the hydraulic cylinder to drive the two support plates to move at the same time, so that the steel structure remains stable when moving.

[0004] Although the device has many beneficial effects, the following problems still exist: when performing welding operations, it is often impossible to achieve full welding coverage, which means that there may be areas of insufficient fusion at the welding point, thus affecting the overall welding quality; in addition, when faced with pipes of different specifications, the device often lacks sufficient flexibility and adaptability and fails to quickly weld pipes of different specifications.

[0005] Therefore, in order to solve the above problems, the present application provides a welding device for butt-jointing steel structures.

[0006] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore, it may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0007] In order to solve the problems raised in the above background technology, the present application provides a welding device for butt-jointing steel structures.

[0008] The present application provides a welding device for butt-jointing steel structures, comprising a workbench, wherein the workbench comprises a table top and a fixed ring, wherein the fixed ring is fixedly installed at the middle opening of the table top, a first driving unit is installed on the side wall of the table top, the first driving unit comprises a first motor, a bidirectional screw rod and a limit rod, wherein the bidirectional screw rod is movably provided with a clamping unit which is mirror-distributed at both ends thereof and is used to transport pipes, and a second driving unit which controls the circular motion of a welding gun around the periphery of the pipe is fixedly installed on the bottom of the table top.

[0009] Preferably, the clamping part includes a slider, a connecting rod, an electric push rod and a clamping block, wherein the slider is threadedly sleeved on the bidirectional screw rod, the electric push rod is fixedly installed on both sides of the slider through the connecting rod, and the telescopic end of the electric push rod is fixedly connected to a clamping block for clamping the pipe.

[0010] Preferably, the first motor is fixedly mounted on the side wall of the table, both ends of the bidirectional screw rod movably penetrate the side wall of the table, and one end of the bidirectional screw rod is fixedly connected to the output shaft of the first motor, and the limit rod located above the bidirectional screw rod is fixed in the table, and the limit rod movably penetrates the slider.

[0011] Preferably, the second driving part includes a second motor, a mounting block, a driving gear and a driven gear, wherein the second motor is fixedly mounted on the bottom surface of the table top through the mounting block, and the output shaft of the second motor is fixedly mounted with a driving gear, the driven gear is movably engaged in a fixing ring, and the driven gear is meshed with the driving gear.

[0012] Preferably, the welding gun is fixedly mounted on the inner wall of the driven gear.

[0013] Preferably, openings for pipes to pass through are symmetrically provided on both side walls of the table top.

[0014] In summary, this application includes the following beneficial technical effects:

[0015] Control the electric push rod so that its telescopic end drives the clamping block to move forward and backward to clamp pipes of different specifications. Further, start the first motor, and the slider threaded on the outer wall of the two-way lead screw will drive the connecting rod, the electric push rod and the clamping block together with the pipe to move along the two-way lead screw into the fixed ring, and align the welding seam of the pipe with the welding gun. At this time, start the second motor, and its output shaft will drive the driving gear to spin, and the driven gear meshing with the driving gear will rotate synchronously, so that the welding gun located on the inner wall of the driven gear will rotate around the welding point of the pipe, so as to perform all-round welding on the pipe and improve the welding quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure in Example 1 of the present application;

[0017] Figure 2It is a cross-sectional view of the local structure in Example 1 of the present application.

[0018] Explanation of the accompanying drawings: 1. workbench; 101. table top; 102. fixing ring; 2. first driving part; 201. first motor; 202. bidirectional screw rod; 203. limit rod; 3. clamping part; 301. slider; 302. connecting rod; 303. electric push rod; 304. clamping block; 4. second driving part; 401. second motor; 402. mounting block; 403. driving gear; 404. driven gear; 5. welding gun. DETAILED DESCRIPTION

[0019] The following is combined with Figure 1-Figure 2 This application is described in further detail.

[0020] Example 1: Reference Figure 1-Figure 2 A welding device for butt welding of steel structures comprises a workbench 1, wherein the workbench 1 comprises a table top 101 and a fixing ring 102, wherein the fixing ring 102 is fixedly installed at the middle opening of the table top 101, a first driving unit 2 is installed on the side wall of the table top 101, the first driving unit 2 comprises a first motor 201, a bidirectional screw rod 202 and a limit rod 203, wherein the bidirectional screw rod 202 is movably provided with a clamping unit 3 which is mirror-imaged and distributed at both ends thereof and is used to transport a pipe, and a second driving unit 4 which controls a welding gun 5 to move in a circular motion around the outer periphery of the pipe is fixedly installed at the bottom of the table top 101.

[0021] The clamping part 3 includes a slider 301, a connecting rod 302, an electric push rod 303 and a clamping block 304, wherein the slider 301 is threadedly sleeved on the bidirectional screw rod 202, the electric push rod 303 is fixedly installed on both sides of the slider 301 through the connecting rod 302, and the telescopic end of the electric push rod 303 is fixedly connected to the clamping block 304 for clamping the pipe.

[0022] The first motor 201 is fixedly installed on the side wall of the table 101, and both ends of the bidirectional screw rod 202 movably penetrate the side wall of the table 101, and one end of the bidirectional screw rod 202 is fixedly connected to the output shaft of the first motor 201, and the limit rod 203 located above the bidirectional screw rod 202 is fixed in the table 101, and the limit rod 203 movably penetrates the slider 301.

[0023] The second driving part 4 includes a second motor 401, a mounting block 402, a driving gear 403 and a driven gear 404, wherein the second motor 401 is fixedly mounted on the bottom surface of the table 101 through the mounting block 402, and the output shaft of the second motor 401 is fixedly mounted with the driving gear 403, the driven gear 404 is movably engaged in the fixing ring 102, and the driven gear 404 is meshed with the driving gear 403.

[0024] The welding gun 5 is fixedly mounted on the inner wall of the driven gear 404 .

[0025] Openings for pipes to pass through are symmetrically formed on both side walls of the table top 101 .

[0026] The implementation principle of a welding device for butt welding of steel structures in the embodiment of the present application is as follows:

[0027] The pipe is extended into the clamping block 304 from the opening of the side wall of the table 101, and the electric push rod 303 is controlled so that its telescopic end drives the clamping block 304 to move back and forth to clamp pipes of different specifications. Further, the first motor 201 is started, and its output shaft will drive the bidirectional screw rod 202 to spin, then the slider 301 threadedly sleeved on the outer wall of the bidirectional screw rod 202 will drive the connecting rod 302, the electric push rod 303 and the clamping block 304 and the pipe along the bidirectional screw rod 202 to move into the fixed ring 102, and align the welding seam of the pipe with the welding gun 5. At this time, the second motor 401 is started, and its output shaft will drive the driving gear 403 to spin, then the driven gear 404 meshing with the driving gear 403 will rotate synchronously, so that the welding gun 5 located on the inner wall of the driven gear 404 rotates around the welding point of the pipe, and the pipe is welded in all directions.

[0028] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0029] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0030] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

[0031] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A welding device for butt welding of steel structures, comprising a workbench (1), characterized in that: The workbench (1) comprises a tabletop (101) and a fixing ring (102), wherein the fixing ring (102) is fixedly mounted at the middle opening of the tabletop (101), a first driving unit (2) is mounted on the side wall of the tabletop (101), the first driving unit (2) comprises a first motor (201), a bidirectional screw rod (202) and a limit rod (203), wherein the bidirectional screw rod (202) is movably provided with a clamping unit (3) which is distributed in a mirror image at both ends thereof and is used to transport a pipe, and a second driving unit (4) which controls a welding gun (5) to move in a circular motion around the outer periphery of the pipe is fixedly mounted at the bottom of the tabletop (101).

2. A welding device for butt welding of steel structures according to claim 1, characterized in that: The clamping portion (3) comprises a slider (301), a connecting rod (302), an electric push rod (303) and a clamping block (304), wherein the slider (301) is threadedly sleeved on the bidirectional screw rod (202), the electric push rod (303) is fixedly installed on both sides of the slider (301) through the connecting rod (302), and the telescopic end of the electric push rod (303) is fixedly connected to the clamping block (304) for clamping the pipe.

3. A welding device for butt welding of steel structures according to claim 1, characterized in that: The first motor (201) is fixedly mounted on the side wall of the table top (101), the two ends of the bidirectional screw rod (202) movably penetrate the side wall of the table top (101), and one end of the bidirectional screw rod (202) is fixedly connected to the output shaft of the first motor (201), and the limit rod (203) located above the bidirectional screw rod (202) is fixed in the table top (101), and the limit rod (203) movably penetrates the slider (301).

4. A welding device for butt welding of steel structures according to claim 1, characterized in that: The second driving part (4) comprises a second motor (401), a mounting block (402), a driving gear (403) and a driven gear (404), wherein the second motor (401) is fixedly mounted on the bottom surface of the table (101) via the mounting block (402), and the output shaft of the second motor (401) is fixedly mounted with the driving gear (403), and the driven gear (404) is movably engaged in the fixing ring (102), and the driven gear (404) is meshed with the driving gear (403).

5. A welding device for butt welding of steel structures according to claim 1, characterized in that: The welding gun (5) is fixedly mounted on the inner wall of the driven gear (404).

6. A welding device for butt welding of steel structures according to claim 1, characterized in that: The two side walls of the table top (101) are symmetrically provided with openings for pipes to pass through.

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