Electrode structure and spot welding device
A technology of electrode structure and spot welding device, applied in the direction of electrode characteristics, resistance welding equipment, welding equipment, etc., can solve the problem that the spot welding device cannot enter the spot welding of the gun, achieve high strength, reduce installation steps, and reduce D value Effect
Pending Publication Date: 2022-03-01
DONGFENG LIUZHOU MOTOR
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Problems solved by technology
Due to the need for sufficient pressure and cooling effect, the total thickness of the electrode head and the electrode holder should not be too small. For example, to meet the welding requirements of a pressure of 2500N, the thickness of the electrode holder needs to be at least 10mm. In order to meet the installation of the electrode head and the installation of refrigerant The length of the electrode head should not be too small to meet the requirements of the circulation channel. Therefore, the total thickness of the electrode head and the electrode handle of the existing spot welding device is usually more than 23mm, which leads to welding in some narrow spaces. The welding device cannot enter the gun for spot welding
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[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0032] It should be noted that if there is a directional indication (such as up, down, left, right, front, back...) in the embodiment of the present invention, the directional indication is only used to explain the position in a certain posture (as shown in the accompanying drawing). If the specific posture changes, the directional indication will also change accordingly.
[0033] In addition, if there are descriptions involving "first", "second" and ...
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The invention discloses an electrode structure and a spot welding device, the electrode structure comprises a holding part and an electrode tip, the holding part is provided with a mounting side in a first direction, and one end of the holding part is used for being mounted to an electrode arm of the spot welding device; the electrode tip is arranged on the installation side of the holding rod part in a protruding mode and located at the other end of the holding rod part, the electrode tip and the holding rod part are integrally formed, the sum of the length value of the electrode tip and the thickness value of the holding rod part in the first direction is D, and D is larger than 12 mm and smaller than 20 mm. The invention aims to reduce the total thickness dimension of an electrode tip and an electrode holder of a spot welding device.
Description
technical field [0001] The invention relates to the technical field of welding equipment, in particular to an electrode structure and a spot welding device. Background technique [0002] In the manufacture of automobile bodies, many parts are connected by spot welding after overlapping. Spot welding means that after the workpieces are lapped and combined, pressure is applied through the electrodes of the welding tongs, and then energized. The current flows through the contact surface of the joint and the adjacent area to generate local resistance heat, which causes local melting, and forms a nugget under the action of electrode pressure, and forms after cooling. The process method of solder joints. [0003] The spot welding device is usually equipped with two opposite electrode arms. Each electrode arm is equipped with an electrode handle. , during welding, the two electrode heads are clamped on both sides of the welded sheet metal, contacted with the sheet metal and press...
Claims
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Login to View More IPC IPC(8): B23K11/11B23K11/30
CPCB23K11/11B23K11/30
Inventor 刘汉水张瑞俊黄诚张锦宙欧阳效文卢政君李厚洪陶择恒钟俊左文翔李成整封余荣黄大练
Owner DONGFENG LIUZHOU MOTOR