Automatic welding device

Abstract

The utility model discloses an automatic welding device, and relates to the technical field of roller inner hole welding, and the welding device comprises a rotating assembly used for driving a roller to rotate; the first sliding rail is arranged on the side, connected with the roller, of the rotating assembly; the sliding assembly is connected with the first sliding rail; the mounting frame is arranged above the sliding assembly, a to-be-welded roller is rotatably arranged on the mounting frame, and the to-be-welded roller on the mounting frame is conveyed to the rotating assembly through the sliding assembly; the welding table is arranged on one side of the first sliding rail, and a second sliding rail is arranged on the welding table; the welding assembly is in sliding connection with the second sliding rail, and the welding assembly slides to a designated position to weld the roller on the rotating assembly; the controller is connected with the rotating assembly, the sliding assembly and the welding assembly.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of hole welding of rollers, and particularly relates to an automatic welding device. BACKGROUND

[0002] A continuous casting machine usually adopts a fan-shaped segment transmission. In order to ensure stable operation of the fan-shaped segment, a continuous casting roller cylinder of the fan-shaped segment to be repaired needs to be subjected to repair welding at a wear position at both ends of the roller cylinder, so as to be restored to a size required by a drawing and to ensure that the assembly requirement is met. During hole welding of the roller cylinder, the roller cylinder needs to be laid flat on an iron plate, and gas shielded welding is performed while rotating. Manual welding and manual rotation are performed, and the repair welding efficiency is low, the labor intensity is high, and there are safety hazards during operation. During post-welding processing, a series of quality problems such as slag inclusion, pores, cracks in a weld, and cracks in layer-to-layer lap joints may occur, and the whole is returned for repair. CONTENT OF THE UTILITY MODEL

[0003] The application aims to provide an automatic welding device, and aims to at least partly solve the technical problem of low hole welding efficiency of a roller cylinder.

[0004] To solve the above technical problem, the application adopts the following technical scheme:

[0005] The first aspect of the embodiment of the application provides an automatic welding device for welding an inner hole of a roller cylinder. The welding device comprises: a rotating assembly for driving the roller cylinder to rotate; a first sliding rail arranged on one side where the rotating assembly is connected to the roller cylinder; a sliding assembly connected to the first sliding rail; a mounting rack arranged above the sliding assembly, and a roller cylinder to be welded is arranged on the mounting rack in a rotatable manner, and the roller cylinder to be welded on the mounting rack is transported to the rotating assembly through the sliding assembly; a welding table arranged on one side of the first sliding rail, and a second sliding rail is arranged on the welding table; a welding assembly in sliding connection with the second sliding rail, and the welding assembly is slid to a specified position to weld the roller cylinder on the rotating assembly; and a controller connected to the rotating assembly, the sliding assembly and the welding assembly respectively.

[0006] In some embodiments, the welding device further comprises a lifting assembly fixed to the sliding assembly, and a power output end of the lifting assembly is connected to the mounting rack.

[0007] In some embodiments, the rotating assembly comprises: a first support; a chuck for connecting the roller cylinder, the chuck being arranged on one side of the first support close to the first sliding rail; and a driving motor fixed to the roller cylinder, and a power output end of the driving motor is connected to the chuck through a speed reducer, and the roller cylinder on the chuck is driven to rotate by the driving motor.

[0008] In some embodiments, the sliding assembly comprises: a trolley, slidingly connected with the first slide rail; and a first driving unit, fixed to the first slide rail, a power output end of the first driving unit being connected with the trolley, the trolley being driven to slide by the first driving unit.

[0009] In some embodiments, the lifting assembly comprises: a lifting machine, fixed to an upper end surface of the trolley; and a lifting plate, connected with a power output end of the lifting machine, the mounting frame being fixed to the lifting plate.

[0010] In some embodiments, the lifting assembly further comprises at least one guide column, a lower end of the guide column being fixedly connected with the trolley, and an upper end of the guide column being sleeved with the lifting plate.

[0011] In some embodiments, the mounting frame comprises: two mounting plates, arranged in parallel on an upper end of the lifting plate, a mounting direction of the mounting plate being perpendicular to the first slide rail, and a V-shaped groove being arranged on the mounting plate; and two rotating shafts, arranged perpendicularly to the mounting plate, two ends of the rotating shafts being respectively rotatably connected with two oblique sides of the two mounting plates, the roller being placed in the V-shaped groove and rotatably connected with the rotating shafts.

[0012] In some embodiments, the welding assembly comprises: a welding gun, used for welding the roller; a sliding block, connected with the second slide rail, the welding gun being fixed to the sliding block; and a second driving unit, used for driving the sliding block to move on the second slide rail.

[0013] In some embodiments, the sliding block is provided with a mounting seat, and the welding gun is mounted on the mounting seat.

[0014] In some embodiments, the second driving unit is a driving screw.

[0015] From the above technical solution, the present application has at least the following advantages and positive effects:

[0016] The automatic welding device in the present application transports the roller to be repaired to the rotating assembly through the sliding assembly, rotates the roller through the rotating assembly, adjusts the roller to a specified position, and then repairs the hole in the roller through the welding assembly. The device has a simple structure, is convenient to use, has a high automation level, can greatly reduce the working intensity of workers, and improves the working efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0018] Figure 1 is a structural schematic diagram of an automatic welding device in an embodiment of the present application;

[0019] Figure 2 is a side view of an automatic welding device in an embodiment of the present application.

[0020] The reference signs are explained as follows: 100, roller; 200, first sliding rail; 310, first support; 320, chuck; 330, speed reducer; 340, driving motor; 400, trolley; 510, elevator; 520, lifting plate; 530, guide column; 600, mounting frame; 610, mounting plate; 611, rotating shaft; 612, bearing; 700, welding table; 710, second sliding rail; 810, welding torch; 820, sliding block; 830, mounting seat. DETAILED DESCRIPTION

[0021] In order for those skilled in the art to which the present application pertains to more clearly understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0022] Figure 1 is a structural schematic diagram of an automatic welding device in an embodiment of the present application; Figure 2 is a side view of an automatic welding device in an embodiment of the present application; as Figure 1 and Figure 2As shown, the device is used for welding the inner hole of the roller 100, and the welding device comprises: a rotating assembly for driving the roller 100 to rotate; a first sliding rail 200 arranged on one side of the rotating assembly connected with the roller 100; a sliding assembly connected with the first sliding rail 200; a mounting bracket 600 arranged above the sliding assembly, the roller 100 to be welded is arranged on the mounting bracket 600 in a rotatable manner, and the roller 100 to be welded on the mounting bracket 600 is transported to the rotating assembly through the sliding assembly; a welding table 700 arranged on one side of the first sliding rail 200, the welding table 700 is provided with a second sliding rail 710; a welding assembly in sliding connection with the second sliding rail 710, the welding assembly is slid to a specified position to weld the roller 100 on the rotating assembly; and a controller connected with the rotating assembly, the sliding assembly and the welding assembly respectively. The roller 100 to be repaired is transported to the rotating assembly through the sliding assembly, then the roller 100 is rotated through the rotating assembly, and after the roller is adjusted to a specified position, the roller 100 is repaired through the welding assembly. The device has the advantages of simple structure, convenient use, high automation level, which can greatly reduce the working intensity of workers and improve the working efficiency.

[0023] In some embodiments, the welding device further comprises a lifting assembly fixed to the sliding assembly, a power output end of the lifting assembly is connected with the mounting bracket 600, and the mounting bracket 600 is controlled through the lifting assembly to adapt to the mounting of rollers 100 of different sizes on the chuck 320.

[0024] In some embodiments, the rotating assembly comprises: a first support 310; a chuck 320 for connecting the roller 100, the chuck 320 is arranged on one side of the first support 310 close to the first sliding rail 200; and a drive motor 340 fixed to the roller 100, a power output end of the drive motor 340 is connected with the chuck 320 through a speed reducer 330, and the roller 100 on the chuck 320 is driven to rotate by the drive motor 340. Specifically, the drive motor 340 is a 1.8kw servo motor, the speed reducer 330 has a speed reduction ratio of 1:70, the rotating speed of the roller 100 is controlled through the speed reducer 330, and the chuck 320 is a three-jaw chuck 320.

[0025] In some embodiments, the sliding assembly comprises: a trolley 400 in sliding connection with the first sliding rail 200; a first drive unit fixed to the first sliding rail 200, a power output end of the first drive unit is connected with the trolley 400, and the trolley 400 is driven to slide through the first drive unit; specifically, the first drive unit can be a driving cylinder, a driving hydraulic cylinder, a driving lead screw or a driving motor.

[0026] In some embodiments, the lifting assembly comprises: a lifting machine 510 fixed to the upper end surface of the trolley 400; a lifting plate 520 connected to the power output end of the lifting machine 510, and the mounting frame 600 is fixed to the lifting plate 520. The lifting assembly further comprises at least one guide column 530, the lower end of the guide column 530 is fixedly connected to the trolley 400, and the upper end of the guide column 530 is sleeved with the lifting plate 520. Specifically, the guide column 530 is provided with four guide columns 530, which are respectively arranged at the four corners of the lifting plate 520. The guide column 530 improves the stability of the lifting. The lifting machine 510 is a spiral lifting machine with a load of 1.5T.

[0027] In some embodiments, the mounting frame 600 comprises: two mounting plates 610 arranged in parallel on the upper end of the lifting plate 520, the mounting direction of the mounting plate 610 is perpendicular to the first sliding rail 200, and the mounting plate 610 is provided with a V-shaped groove; two rotating shafts 611 are arranged perpendicularly to the mounting plate 610, and the two ends of the two rotating shafts 611 are respectively rotatably connected to the inclined edges of the two mounting plates 610. The roller 100 is placed in the V-shaped groove and is rotatably connected to the rotating shaft 611. Specifically, the rotating shaft 611 is provided with a bearing 612 that cooperates with the rotation of the roller 100. The bearing 612 is a bull eye bearing.

[0028] In some embodiments, the welding assembly comprises: a welding gun 810 for welding the roller 100; a sliding block 820 connected to the second sliding rail 710, and the welding gun 810 is fixed to the sliding block 820; and a second driving unit for driving the sliding block 820 to move on the second sliding rail 710.

[0029] In some embodiments, the sliding block 820 is provided with a mounting seat 830, and the welding gun 810 is mounted on the mounting seat 830.

[0030] In some embodiments, the second driving unit is a driving screw.

[0031] In some embodiments, the controller is connected with the driving motor 340, the first driving unit, the second driving unit and the lifting machine 510 respectively, and the whole welding work is controlled as a whole. From the above technical solution, the present application has at least the following advantages and positive effects:

[0032] The automatic welding device in the present application transports the roller to be repaired to the rotating assembly through the sliding assembly, rotates the roller through the rotating assembly, adjusts the roller to the specified position, and repairs the hole in the roller through the welding assembly. The device has the advantages of simple structure, convenient use, high automation level, which can greatly reduce the working intensity of workers and improve the work efficiency.

[0033] Unless specifically stated and defined otherwise, "on" or "under" of a first feature in relation to a second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, "on", "above" and "over" of a first feature in relation to a second feature includes that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Under", "below" and "underneath" of a first feature in relation to a second feature includes that the first feature is directly below and obliquely below the second feature, or simply means that the first feature is horizontally lower than the second feature.

[0034] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" indicate the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0035] In the present application, unless otherwise specifically stated and limited, the terms "connection", "fixation" and the like should be understood broadly, for example, "fixation" can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection; can be direct connection, or indirect connection through intermediate medium; can be internal connection of two elements or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0036] In addition, the description such as "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implying the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0037] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. An automatic welding apparatus for welding an inner hole of a roller, characterized by, The welding device comprises: a rotating assembly for driving the roller to rotate; a first sliding rail arranged on one side of the rotating assembly connected with the roller; a sliding assembly connected with the first sliding rail; a mounting rack arranged above the sliding assembly, the roller to be welded is arranged rotatably on the mounting rack, and the sliding assembly is used to transport the roller to be welded on the mounting rack to the rotating assembly; a welding table arranged on one side of the first sliding rail, and a second sliding rail is arranged on the welding table; a welding assembly in sliding connection with the second sliding rail, and the welding assembly is used to slide to a specified position to weld the roller on the rotating assembly; a controller connected with the rotating assembly, the sliding assembly and the welding assembly respectively.

2. An automatic welding device according to claim 1, characterized in that The welding device further comprises a lifting assembly fixed to the sliding assembly, and a power output end of the lifting assembly is connected with the mounting rack.

3. An automatic welding device according to claim 1, characterized in that The rotating assembly comprises: a first support; a chuck for connecting the roller, and the chuck is arranged on one side of the first support close to the first sliding rail; a driving motor fixed to the roller, and a power output end of the driving motor is connected with the chuck through a speed reducer, and the driving motor is used to drive the roller on the chuck to rotate.

4. An automatic welding device according to claim 2, wherein The sliding assembly comprises: a trolley in sliding connection with the first sliding rail; a first driving unit fixed to the first sliding rail, and a power output end of the first driving unit is connected with the trolley, and the first driving unit is used to drive the trolley to slide.

5. An automatic welding device according to claim 4, characterized in that The lifting assembly comprises: an elevator fixed to an upper end surface of the trolley; a lifting plate connected with a power output end of the elevator, and the mounting rack is fixed to the lifting plate.

6. An automatic welding device according to claim 5, characterized in that The lifting assembly further comprises at least one guide column, a lower end of the guide column is fixedly connected with the trolley, and an upper end of the guide column is sleeved with the lifting plate.

7. An automatic welding device according to claim 5, characterized in that The mounting rack comprises: two mounting plates arranged in parallel on an upper end of the lifting plate, an installation direction of the mounting plate is perpendicular to the first sliding rail, and a V-shaped groove is arranged on the mounting plate; two rotating shafts arranged perpendicularly to the mounting plate, two ends of the rotating shafts are rotatably connected with inclined edges of the two mounting plates respectively, and the roller is placed in the V-shaped groove and rotatably connected with the rotating shafts.

8. An automatic welding device according to claim 1, characterized in that The welding assembly comprises: a welding gun for welding the roller; a sliding block connected with the second sliding rail, and the welding gun is fixed to the sliding block; a second driving unit for driving the sliding block to move on the second sliding rail.

9. An automatic welding device according to claim 8, characterized in that An installation seat is arranged on the sliding block, and the welding gun is installed on the installation seat.

10. An automatic welding device according to claim 8, characterized in that The second driving unit is a driving screw.

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