A Welding Ear Structure for Tinplate Can Body

Abstract

The invention provides a welding lug structure for a can body barrel. Each welding foot of a welding lug and a can body of the barrel can be rapidly and accurately aligned and welded, the welding feet are uniform in stress, the welding quality is ensured, and then stability and safety of the barrel in the follow-up conveying or using process are ensured. The structure comprises a three-dimensional outer frame structure, four opposite corners of the end face of one plane of the three-dimensional outer frame structure are each provided with one welding foot in an outward-protruding mode. The cross-section shape of the end face, with the welding feet, of the plane of the three-dimensional outer frame structure is of a noncircular structure, the outward-protruding heights of the four welding feet are the same, and the distances between the center axis of the end face and the four welding feet are equal.

Description

technical field [0001] The invention relates to the technical field of tinplate can bodies, in particular to a welding lug structure for tinplate can bodies. Background technique [0002] In the production process of the existing tinplate can body pail, it is necessary to set welding lugs on both sides of the upper end of the can body. solder feet (see figure 1 , figure 2 ), the protruding height of each welding leg is the same, and a sufficient number of welding legs can be evenly distributed on one side of the circular inner wall of the cylindrical body, so that each welding leg can be welded with the outer wall of the tinplate body, so that the welding ear The above is a common practice in the industry. However, in the actual welding lug welding process, the protrusion height of each welding leg of the welding lug is the same, and the cylindrical body moves towards the tinplate can body through the external structure until it touches. Since the circumferential directi...

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Problems solved by technology

[0002] In the production process of the existing tinplate can body pail, it is necessary to set welding lugs on both sides of the upper end of the can body. solder feet (see figure 1 , figure 2 ), the protruding height of each welding leg is the same, and a sufficient number of welding legs can be evenly distributed on one side of the circular inner wall of the cylindrical body, so that each welding leg can be welded with the outer wall of the tinplate body, so that the welding ear The above is a common practice in the industry. However, in the actual welding lug welding process, the protrusion height of each welding leg of the welding lug is the same, and the cylindrical body moves towards the tinplate can body through the external structure until it touches. Since the circumferential direction of the cylindrical body is not positioned, there may be only 2 to 3 welding feet touching the tinplate body of the barrel. During the welding process, even if a strong pressure is provided, the at least 5 welding feet will be damaged. The uneven force of the barrel will affect the quality of the welding, and it will also cause the welding to be unstable, which will affect the unexpected occurrence of instability in the subsequent handling or use of the barrel.

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