Steel member welding device

By introducing a preheating box and heating structure into the steel component welding device, the steel component is preheated, and the temperature gradient changes and welding quality problems caused by unpreheating are solved, thereby achieving higher quality welding effects.

CN222679887UActive Publication Date: 2025-03-28TIANJIN YISHENG STEEL CO LTD
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Patent Information

Application Number
CN202420334514.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-22
Publication Date
2025-03-28
Estimated Expiration
2034-02-22

AI Technical Summary

Technical Problem

Not preheating before welding of steel components may lead to temperature gradient changes, cold cracks, residual stress, deformation and welding defects, affecting welding quality.

Method used

A steel component welding device is designed, including a preheating box and a heating structure. By generating heat from the heating structure, the preheating box is heated, and the steel component is preheated inside the preheating box.

Benefits of technology

Preheating reduces the temperature gradient, reduces cold cracks and residual stress, slows down the cooling speed of components during welding, improves welding quality, and enhances the plasticity and deformation resistance of steel.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a steel member welding device, which relates to the technical field of steel member processing and comprises a mounting structure, the mounting structure comprises a bottom plate and a support frame, the support frame is mounted at the top end of the bottom plate, a conveying structure is arranged at the top end of the support frame, and a welding structure is arranged on one side of the top end of the support frame. The preheating box is installed on one side of the top end of the supporting frame, the heating structure is arranged at the top end of the preheating box, the cleaning structure is arranged in the preheating box, the transmission structure is arranged at the top end of the heating structure, and the overturning structure is arranged in the preheating box. The preheating box is heated through heat generated by the heating structure, the steel member is preheated through heat in the preheating box, the temperature gradient can be reduced through preheating, cold cracks are reduced, the cooling speed of the member in the welding process can be slowed down through preheating, and therefore generation of residual stress is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of steel component processing, in particular to a steel component welding device. Background Art

[0002] Steel components refer to composite steel structure components that can bear and transfer loads and are made of steel plates, angle steels, channel steels, I-beams, welded or hot-rolled H-shaped steels that are cold-bent or welded and connected by connectors. The steel component system has the comprehensive advantages of light weight, quick installation, and good seismic performance. Welding is required during steel component processing.

[0003] In the prior art, steel components are directly welded, but they are not preheated before welding. Failure to preheat may increase the temperature gradient changes on the surface and inside of the component, thereby increasing the risk of cold cracks, which may lead to rapid cooling of the component during welding and increase the generation of residual stress, thereby causing deformation of the component and possible welding defects, which may lead to uneven heating of the welding area, resulting in uneven formation of the weld, thereby affecting the welding quality, and may lead to moisture in the welding area, increasing the risk of pore formation, reducing the strength and quality of the weld, and may cause the weld to be in an undesirable heat input state, reducing the fluidity of the metal, affecting the formation and quality of the weld. Utility Model Content

[0004] The purpose of the utility model is to provide a steel component welding device to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A steel component welding device comprises an installation structure, wherein the installation structure comprises a base plate and a support frame, the support frame is installed at the top of the base plate, a conveying structure is arranged at the top of the support frame, a welding structure is arranged at one side of the top of the support frame, the welding structure comprises an electric telescopic rod and a welding head, the electric telescopic rod is installed at the top of the support frame, the welding head is installed at the bottom of the electric telescopic rod, a preheating box is installed at one side of the top of the support frame, a heating structure is arranged at the top of the preheating box, a cleaning structure is arranged inside the preheating box, a transmission structure is arranged at the top of the heating structure, and a flipping structure is arranged inside the preheating box.

[0007] As a further solution of the utility model: the conveying structure includes a fixed plate, the fixed plate is fixedly installed on the top of the support frame, a conveyor belt is installed in the fixed plate, a first motor is installed on the fixed plate, and the first motor is connected to the conveyor belt.

[0008] As a further solution of the utility model: the heating structure includes a warehouse body, the warehouse body is installed with the top of the preheating box, the heating wire is installed inside the warehouse body, a fixing frame is fixedly installed on the top of the warehouse body, a rotating shaft is rotatably installed on the fixing frame, a fan blade is installed at the bottom of the rotating shaft, a second motor is installed on the fixing frame, and the motor shaft of the second motor is fixedly connected to the rotating shaft.

[0009] As a further solution of the utility model: the cleaning structure includes a cleaning rod and a second belt, the cleaning rod is rotatably installed inside the preheating box, a third pulley is fixedly installed at one end of the cleaning rod, and the third pulley is connected via the second belt.

[0010] As a further solution of the utility model: the transmission structure includes a first gear and a first belt, the first gear is fixedly mounted on the rotating shaft, the connecting shaft is rotatably mounted on the fixed frame, the second gear is fixedly mounted on the connecting shaft, the second gear is meshed with the first gear, a first pulley is fixedly mounted on the end of the connecting shaft away from the second gear, a second pulley is fixedly mounted on the end of the cleaning rod away from the third pulley, and the second pulley is connected to the first pulley through the first belt.

[0011] As a further solution of the utility model: the flip structure includes a third motor and a rotating plate, the third motor is installed on the outside of the preheating box, a worm shaft is installed on the motor shaft of the third motor, the rotating plate is rotatably installed inside the preheating box, a worm gear is installed at one end of the rotating plate, and the worm shaft and the worm gear are meshed with each other.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0013] 1. The preheating box is heated by the heating structure, and the steel components are preheated by the heat inside the preheating box. Preheating can reduce the temperature gradient and the formation of cold cracks. Preheating helps to slow down the cooling rate of the components during welding, thereby reducing the generation of residual stress, reducing the deformation of the components and improving the welding quality. It can make the steel more plastic, help reduce the hardening during welding, and improve the deformation resistance of the components. Preheating can improve the metal fluidity during welding, help to form a more uniform and deeper weld, thereby improving the welding quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional schematic diagram of the utility model.

[0015] Figure 2 It is a three-dimensional schematic diagram from another viewing angle of the present invention.

[0016] Figure 3 It is a schematic diagram of the transmission structure of the utility model.

[0017] Figure 4 It is a schematic diagram of the heating structure of the utility model.

[0018] Figure 5 This is a schematic diagram of the interior of the preheating box of the present utility model.

[0019] Notes on figure numbers: 1. Installation structure; 11. Base plate; 12. Support frame; 2. Conveying structure; 21. Fixed plate; 22. Conveyor belt; 23. First motor; 3. Welding structure; 31. Electric telescopic rod; 32. Welding head; 4. Preheating box; 5. Heating structure; 51. Warehouse body; 52. Heating wire; 53. Fan blade; 54. Second motor; 6. Transmission structure; 61. First gear; 62. Second gear; 63. First pulley; 64. First belt; 65. Second pulley; 7. Flipping structure; 71. Third motor; 72. Worm shaft; 73. Worm wheel; 74. Turning plate; 8. Cleaning structure; 81. Cleaning rod; 82. Third pulley; 83. Second belt. DETAILED DESCRIPTION

[0020] The following embodiments will be combined with the accompanying drawings to describe the utility model in detail. In the drawings or descriptions, similar or identical parts use the same reference numerals, and in actual applications, the shape, thickness or height of each component can be enlarged or reduced. The various embodiments listed in the utility model are only used to illustrate the utility model, and are not used to limit the scope of the utility model. Any obvious modifications or changes made to the utility model do not depart from the spirit and scope of the utility model.

[0021] Example

[0022] See also Figure 1 to Figure 4In an embodiment of the utility model, a steel member welding device comprises an installation structure 1, the installation structure 1 comprises a bottom plate 11 and a support frame 12, the support frame 12 is installed at the top of the bottom plate 11, a conveying structure 2 is arranged at the top of the support frame 12, the conveying structure 2 comprises a fixed plate 21, the fixed plate 21 is fixedly installed at the top of the support frame 12, a conveying belt 22 is installed in the fixed plate 21, a first motor 23 is installed on the fixed plate 21, the first motor 23 is connected to the conveying belt 22, the first motor 23 is started, and the conveying belt 22 is driven to rotate by the motor shaft of the first motor 23, a welding structure 3 is arranged at one side of the top of the support frame 12, the welding structure 3 comprises an electric telescopic rod 31 and a welding head 32, the electric telescopic rod 31 is installed at the top of the support frame 12, the welding head 32 is installed at the bottom of the telescopic rod of the electric telescopic rod 31, the support frame 1 A preheating box 4 is installed on one side of the top of the preheating box 4, and a heating structure 5 is arranged on the top of the preheating box 4. The heating structure 5 includes a bin 51, the bin 51 is installed with the top of the preheating box 4, a heating wire 52 is installed inside the bin 51, a fixing frame is fixedly installed on the top of the bin 51, a rotating shaft is rotatably installed on the fixing frame, a fan blade 53 is installed at the bottom of the rotating shaft, and a second motor 54 is installed on the fixing frame. The motor shaft of the second motor 54 is fixedly connected with the rotating shaft. The steel component is placed on the conveyor belt 22, and the steel component is conveyed by the conveyor belt 22. The steel component will first enter the preheating box 4, and the heating wire 52 is started to generate heat through the heating wire 52. The second motor 54 is started, and the rotating shaft is driven to rotate by the motor shaft of the second motor 54, and the fan blade 53 is driven to rotate by the rotating shaft. The heat is blown into the preheating box 4 through the fan blade 53, and the steel component is preheated through the preheating box 4;

[0023] See also Figure 1 to Figure 5A cleaning structure 8 is arranged inside the preheating box 4, and the cleaning structure 8 includes a cleaning rod 81 and a second belt 83. Two cleaning rods 81 are arranged, and the cleaning rods 81 are rotatably installed inside the preheating box 4. A third pulley 82 is fixedly installed at one end of the cleaning rod 81, and the third pulley 82 is connected through the second belt 83. A transmission structure 6 is arranged at the top of the heating structure 5, and the transmission structure 6 includes a first gear 61 and a first belt 64. The first gear 61 is fixedly installed on the rotating shaft, and a connecting shaft is rotatably installed on the fixing frame. A second gear 62 is fixedly installed on the connecting shaft, and the second gear 6 2 is meshed with the first gear 61, a first pulley 63 is fixedly installed on the end of the connecting shaft away from the second gear 62, a second pulley 65 is fixedly installed on the end of the cleaning rod 81 away from the third pulley 82, and the second pulley 65 is connected to the first pulley 63 through a first belt 64. A turning structure 7 is arranged in the preheating box 4, and the turning structure 7 includes a third motor 71 and a rotating plate 74. The third motor 71 is installed outside the preheating box 4, a worm gear 73 is installed at one end of the rotating plate 74, and the rotating plate 74 is rotatably installed inside the preheating box 4, and the rotating plate 74 is above the conveyor belt 22. A worm shaft 72 is installed on the motor shaft of the third motor 71, and the worm shaft 72 and the worm wheel 73 mesh with each other. When the steel component enters the preheating box 4, the first gear 61 is driven to rotate through the rotating shaft. Because the first gear 61 and the second gear 62 are meshed, the first gear 61 drives the second gear 62 to rotate, and the second gear 62 drives the connecting shaft to rotate. The connecting shaft drives the first pulley 63 to rotate. The first pulley 63 drives the second pulley 65 to rotate through the first belt 64, and drives the cleaning rod 81 to rotate through the second pulley 65. The cleaning rod 81 cleans the steel component. When the steel component is transmitted to the position of the rotating plate 74, the third motor 71 is started, and the motor shaft of the third motor 71 drives the worm shaft 72 to rotate, and the worm shaft 72 drives the worm wheel 73 to rotate, and the worm wheel 73 drives the rotating plate 74 to rotate, and the steel component is turned over by the rotating plate 74. The turned steel component is further transported by the transmission drive 22, and the steel component is cleaned by another cleaning rod 81. The steel component is turned over by the rotating plate 74, so that the cleaning rod 81 fully cleans the steel component, and the steel component is transmitted to the bottom end of the welding head 32, and the steel component is welded by the welding head 32.

[0024] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0025] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A steel component welding device, comprising a mounting structure (1), wherein the mounting structure (1) comprises a base plate (11) and a support frame (12), wherein the support frame (12) is mounted on the top of the base plate (11), and characterized in that: A conveying structure (2) is arranged at the top of the support frame (12); a welding structure (3) is arranged at one side of the top of the support frame (12); the welding structure (3) comprises an electric telescopic rod (31) and a welding head (32); the electric telescopic rod (31) is mounted at the top of the support frame (12); the welding head (32) is mounted at the bottom of the electric telescopic rod (31); a preheating box (4) is arranged at one side of the top of the support frame (12); a heating structure (5) is arranged at the top of the preheating box (4); a cleaning structure (8) is arranged inside the preheating box (4); a transmission structure (6) is arranged at the top of the heating structure (5); and a flipping structure (7) is arranged inside the preheating box (4).

2. A steel member welding device according to claim 1, characterized in that: The conveying structure (2) comprises a fixed plate (21), the fixed plate (21) is fixedly mounted on the top of the support frame (12), a conveying belt (22) is mounted inside the fixed plate (21), a first motor (23) is mounted on the fixed plate (21), and the first motor (23) is connected to the conveying belt (22).

3. A steel member welding device according to claim 2, characterized in that: The heating structure (5) comprises a warehouse (51), the warehouse (51) is installed at the top of the preheating box (4), a heating wire (52) is installed inside the warehouse (51), a fixing frame is fixedly installed at the top of the warehouse (51), a rotating shaft is rotatably installed on the fixing frame, a fan blade (53) is installed at the bottom of the rotating shaft, a second motor (54) is installed on the fixing frame, and the motor shaft of the second motor (54) is fixedly connected to the rotating shaft.

4. A steel member welding device according to claim 3, characterized in that: The cleaning structure (8) comprises a cleaning rod (81) and a second belt (83); the cleaning rod (81) is rotatably mounted inside the preheating box (4); a third pulley (82) is fixedly mounted on one end of the cleaning rod (81); and the third pulley (82) is connected via the second belt (83).

5. A steel member welding device according to claim 4, characterized in that: The transmission structure (6) comprises a first gear (61) and a first belt (64); the first gear (61) is fixedly mounted on a rotating shaft; a connecting shaft is rotatably mounted on the fixed frame; a second gear (62) is fixedly mounted on the connecting shaft; the second gear (62) and the first gear (61) are meshed with each other; a first pulley (63) is fixedly mounted on the end of the connecting shaft away from the second gear (62); a second pulley (65) is fixedly mounted on the end of the cleaning rod (81) away from the third pulley (82); and the second pulley (65) is connected to the first pulley (63) via a first belt (64).

6. A steel member welding device according to claim 1, characterized in that: The turning structure (7) comprises a third motor (71) and a rotating plate (74); the third motor (71) is mounted on the outside of the preheating box (4); a worm shaft (72) is mounted on the motor shaft of the third motor (71); the rotating plate (74) is rotatably mounted inside the preheating box (4); a worm wheel (73) is mounted on one end of the rotating plate (74); and the worm shaft (72) and the worm wheel (73) are meshed with each other.

Citation Information

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