Rotary welding device

Abstract

The invention discloses a rotary welding device. The rotary welding device comprises a support body, a welding head and a stroke cylinder. Small air cylinders are disposed on the left side and the right side of the welding head correspondingly; fixed hinges are disposed on the two sides of a center line of the front side of the welding head correspondingly; the fixed hinges are connected with rotary hinges through rotary shafts; the rotary hinges are connected with the small air cylinders through movable joints; the lower portions of the rotary hinges are connected with electrode clamps; and the electrode clamps clamp electrode welding pins. According to the rotary welding device, before the stroke cylinder moves upwards, the small air cylinders push the rotary hinges to drive the corresponding electrode clamps and the corresponding electrode welding pins to rotate, and the electrode welding pins are rigidly disconnected around the surfaces of workpieces, so that adhesion between the electrode welding pins and the workpieces is avoided and the situation that the workpieces are pulled broken after pin adhesion is avoided; and the welding appearance is neat, the welding process quality is improved, and high technical requirements in current production are met. By means of the rotary welding device, switching of single-side welding or double-side welding of the workpieces can be achieved.

Description

technical field [0001] The invention relates to the technical field of welding devices, in particular to a rotary welding device. Background technique [0002] In the production process of new energy vehicle battery packs and other electronic components, welding equipment is commonly used production equipment. According to the needs of production, resistance welding is often used between workpieces. Most of the welding devices in the prior art use parallel welding. Welding, due to the uneven energy distribution during welding, most of the heat loss occurs at the contact between the surface of the workpiece and the electrode welding pin during welding, so that the workpiece and the electrode welding pin stick together, causing sticking. The upward movement of the stroke cylinder will tear the electrode welding needle and the workpiece. The surface is not beautiful, which affects the welding strength, and it is easy to short-circuit the welding power supply, reducing the weldi...

AI Technical Summary

Problems solved by technology

[0002] In the production process of new energy vehicle battery packs and other electronic components, welding equipment is commonly used production equipment. According to the needs of production, resistance welding is often used between workpieces. Most of the welding devices in the prior art use parallel welding. Welding, due to the uneven energy distribution during welding, most of the heat loss occurs at the contact between the surface of the workpiece and the electrode welding needle during welding, so that the workpiece and the electrode welding needle stick together, causing the phenomenon of sticking needles. When the welding is completed, the welding head with The upward movement of the stroke cylinder will tear the electrode welding needle and the workpiece. The surface is not beautiful, which affects the welding strength, and it is easy to short-circuit the welding power supply, reducing the welding yield and welding efficiency.

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