Positioning tool for welding steel ladle cover

Abstract

The positioning tool for welding the steel ladle cover comprises a welding table, a plurality of rotatable balls are evenly distributed at the upper end of the welding table, the upper ends of the balls extend out of the table top of the welding table, a plurality of retention mechanisms are evenly distributed on the outer side of the welding table in the circumferential direction of the welding table, a movable positioning frame is arranged above the welding table, and the movable positioning frame is arranged on the welding table. A plurality of lasers used for positioning welding spots are evenly distributed on the positioning frame. The steel ladle cover plate is positioned on the welding table through the retention mechanism, laser emitted by the laser is irradiated on the steel ladle cover plate by adjusting the position of the laser on the positioning frame, so that a welding point position of a part is determined on the surface of the steel ladle cover plate, and therefore, positioning welding can be quickly carried out; in the subsequent production of steel ladle covers of the same specification, welding point positions do not need to be determined repeatedly, great convenience is brought to workers, and the accuracy of the welding point positions is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of welding stations, in particular to a positioning tool for ladle cover welding. Background Art

[0002] The ladle covering device is a commonly used equipment in the steel smelting process. It is mainly used in steel production processes such as converters and electric arc furnaces. The ladle cover can insulate the molten steel, reduce the oxidation of the molten steel, and prevent the molten steel from mixing with air, dust and other debris, thereby ensuring the excellent quality of the steel and processing availability. During the processing and manufacturing of the ladle, it is necessary to weld cross-shaped reinforcement ribs and welding mounting ears on its circular cover. In the past, when welding, the staff needed to mark the surface of the cover to determine the welding point. This positioning method requires marking each ladle cover, which undoubtedly greatly increases the workload of the staff, and manual marking is prone to errors. Utility Model Content

[0003] The purpose of the utility model is to avoid the deficiencies of the prior art and provide a positioning tool for ladle cover welding, thereby effectively solving the deficiencies in the prior art.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows: a positioning tool for ladle cover welding, comprising a welding table, a plurality of rotatable balls are evenly arranged on the upper end of the welding table, the upper ends of the balls extend out of the table surface of the welding table, a plurality of retaining mechanisms are evenly arranged on the outer side of the welding table along its circumference, a movable positioning frame is arranged above the welding table, and a plurality of lasers for positioning welding points are evenly arranged on the positioning frame;

[0005] A column is provided on one side of the welding table, a rotating head which can rotate at a fixed point is provided on the upper end of the column, the positioning frame is installed on the rotating head, a plurality of sliding rods are evenly arranged in the positioning frame, each of the sliding rods is provided with a plurality of sliding seats, and the laser is installed on the sliding seat.

[0006] Furthermore, a first locking screw is arranged on the side of the slide seat away from the laser, and the first locking screw passes through the side wall of the slide seat and is pressed against the slide rod.

[0007] Furthermore, a connecting rod is provided on the side of the rotating head facing the welding table, one side of the positioning frame is fixedly connected to the connecting rod, and a reinforcing rib plate is also provided at the connection between the connecting rod and the positioning frame.

[0008] Furthermore, a second locking screw is provided on a side of the rotating head away from the connecting rod, and the second locking screw passes through the rotating head and is pressed against the side wall of the column.

[0009] Furthermore, four retaining mechanisms are provided, and the four retaining mechanisms are arranged opposite to each other in pairs around the welding platform.

[0010] Furthermore, the retaining mechanism includes a mounting platform arranged on the side wall of the welding platform, a bracket is arranged at the upper end of the mounting platform, a pushing cylinder is arranged on the top of the bracket, the piston rod of the pushing cylinder is arranged toward one side of the welding platform, and a pushing head is arranged on the piston rod of the pushing cylinder.

[0011] Furthermore, the sides of the pushing heads that are opposite to each other are in an arc-shaped structure.

[0012] Furthermore, the laser is a cross laser.

[0013] Furthermore, a supporting leg is provided at the lower end of the welding table.

[0014] The above technical scheme of the utility model has the following beneficial effects: the utility model positions the ladle cover on the welding table through the fixing mechanism, and then adjusts the position of the laser on the positioning frame so that the laser emitted by it is irradiated on the ladle cover, thereby determining the welding points of the parts on its surface. In this way, positioning welding can be performed quickly, and after the position of the laser is determined, the ladle cover of the same specification does not need to repeatedly determine the welding points in the subsequent production, which brings great convenience to the staff and ensures the accuracy of the welding points. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main plan structure of an embodiment of the utility model;

[0016] Figure 2 This is a schematic top view of a welding station according to an embodiment of the utility model;

[0017] Figure 3 It is a schematic top view of the positioning frame of an embodiment of the utility model. DETAILED DESCRIPTION

[0018] In order to more clearly understand the above-mentioned purposes, features and advantages of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0019] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0020] like Figure 1-3 As shown, a positioning tool for ladle cover welding described in this embodiment includes a welding table 1, a plurality of rotatable balls 2 are evenly arranged on the upper end of the welding table 1, and the upper ends of the balls 2 extend out from the table surface of the welding table 1. The balls 2 form a ball table surface on the surface of the welding table 1, so that when the retaining mechanism adjusts the position of the ladle cover, it is convenient for the ladle cover to move on the table surface of the welding table 1. A plurality of retaining mechanisms are evenly arranged on the outer side of the welding table 1 along its circumferential direction, and a movable positioning frame 3 is arranged above the welding table 1, and a plurality of lasers 4 for positioning welding points are evenly arranged on the positioning frame 3;

[0021] A column 5 is provided on one side of the welding table 1, and a rotating head 6 that can rotate at a fixed point is provided on the upper end of the column 5. The positioning frame 3 is installed on the rotating head 6. A plurality of sliding rods 7 are evenly distributed in the positioning frame 3. Each sliding rod 8 is provided with a plurality of sliding seats 8, and the laser 4 is installed on the sliding seat 8.

[0022] A first locking screw 9 is provided on the sliding seat 8 at a side away from the laser 4 . The first locking screw 9 passes through a side wall of the sliding seat 8 and is pressed against the sliding rod 7 .

[0023] The sliding rod 7 is a square rod. By loosening the first locking screw 9, the slide 8 can be controlled to reciprocate along the sliding rod 7. When a position is selected, the first locking screw 9 is tightened and its end is pressed against the surface of the sliding rod 7 to fix the position of the slide 8.

[0024] A connecting rod 10 is provided on the side of the rotating head 6 facing the welding table 1 , one side of the positioning frame 3 is fixedly connected to the connecting rod 10 , and a reinforcing rib plate 11 is further provided at the connection between the connecting rod 10 and the positioning frame 3 .

[0025] A second locking screw 12 is disposed on a side of the rotating head 6 away from the connecting rod 10 . The second locking screw 12 passes through the rotating head 6 and is pressed against a side wall of the column 5 .

[0026] There are four retaining mechanisms, and the four retaining mechanisms are arranged opposite to each other around the welding platform 1 in pairs.

[0027] The retaining mechanism includes a mounting platform 13 arranged on the side wall of the welding platform 1, a bracket 14 is arranged on the upper end of the mounting platform 13, a pushing cylinder 15 is arranged on the top of the bracket 14, the piston rod of the pushing cylinder 15 is arranged toward one side of the welding platform 1, and a pushing head 16 is arranged on the piston rod of the pushing cylinder 15.

[0028] The lengths of the piston rods of the respective push cylinders 15 are all the same.

[0029] Preferably, the opposite sides of the push heads 16 are in an arc-shaped structure.

[0030] Preferably, the laser 4 is a cross laser, which can emit cross rays to better determine the position of the cross reinforcement ribs.

[0031] A support leg 17 is provided at the lower end of the welding table 1 .

[0032] The working principle of the utility model is as follows: first, loosen the second locking screw 9, rotate the positioning frame 3 and make it leave above the welding table 1, then place the ladle cover on the ball 2 of the welding table 1, and then rotate the positioning frame 3 to the top of the welding table 1 and position it, then control the piston rod of the push cylinder 15 to extend, at this time, the push head 16 on the piston rod will slide against the ladle cover on the surface of the welding table 1, when the piston rod is fully extended, the ladle cover is located at the center of the welding table 1, and the four push heads 16 will fix the position of the ladle cover, then start the laser 4, and slide the slide 8 along the sliding rod 7, so as to adjust the position of the laser 4. Adjustment is made, and the rays emitted by the laser 4 are irradiated on the surface of the ladle cover. When the laser 4 moves to the required welding position, the slide 8 is fixed. At this time, the rays emitted by each laser 4 correspond to each welding position, and the staff can fix the parts by electric welding at the position marked by the rays, and finally weld the parts firmly on the ladle cover. After the welding of the ladle cover is completed, continue to rotate the rotating head 6 and remove the positioning frame 3, so that the welded ladle cover can be lifted and transported away. After re-placing the new ladle cover, reset the positioning frame 3 and turn on the laser 4, so that the welding position can be quickly determined, which brings great convenience to the subsequent production.

[0033] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A positioning tool for ladle cover welding, characterized in that: The welding table comprises a welding table, wherein a plurality of rotatable balls are evenly arranged on the upper end of the welding table, and the upper ends of the balls extend out of the table surface of the welding table, and a plurality of retaining mechanisms are evenly arranged on the outer side of the welding table along the circumference thereof, and a movable positioning frame is arranged above the welding table, and a plurality of lasers for positioning welding points are evenly arranged on the positioning frame; A column is provided on one side of the welding table, a rotating head which can rotate at a fixed point is provided on the upper end of the column, the positioning frame is installed on the rotating head, a plurality of sliding rods are evenly arranged in the positioning frame, each of the sliding rods is provided with a plurality of sliding seats, and the laser is installed on the sliding seat.

2. The positioning tool for ladle cover welding according to claim 1, characterized in that: A first locking screw is arranged on the sliding seat at a side away from the laser. The first locking screw passes through the side wall of the sliding seat and is pressed against the sliding rod.

3. The positioning tool for ladle cover welding according to claim 2, characterized in that: The rotating head is provided with a connecting rod on the side facing the welding table, one side of the positioning frame is fixedly connected to the connecting rod, and a reinforcing rib plate is further provided at the connection between the connecting rod and the positioning frame.

4. The positioning tool for ladle cover welding according to claim 3, characterized in that: The rotating head is provided with a second locking screw on a side away from the connecting rod. The second locking screw passes through the rotating head and is pressed against the side wall of the column.

5. The positioning tool for ladle cover welding according to claim 1, characterized in that: The four retaining mechanisms are arranged in pairs around the welding platform.

6. The positioning tool for ladle cover welding according to claim 5, characterized in that: The retaining mechanism includes a mounting platform arranged on the side wall of the welding platform, a bracket is arranged at the upper end of the mounting platform, a pushing cylinder is arranged on the top of the bracket, a piston rod of the pushing cylinder is arranged toward one side of the welding platform, and a pushing head is arranged on the piston rod of the pushing cylinder.

7. The positioning tool for ladle cover welding according to claim 6, characterized in that: The sides of the pushing heads that are opposite to each other are in an arc-shaped structure.

8. The positioning tool for ladle cover welding according to claim 1, characterized in that: The laser is a cross laser.

9. The positioning tool for ladle cover welding according to claim 1, characterized in that: The lower end of the welding platform is provided with supporting legs.

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