Pressure welding compound welding equipment
A hybrid welding and pressure welding technology, applied in the field of pressure welding, can solve the problems of unsatisfactory connection effect of cylindrical enameled wires, and achieve the effect of ensuring accuracy and consistency, improving stability and parallelism
Active Publication Date: 2022-01-21
GUANGZHOU MICRO WELDING EQUIP
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Problems solved by technology
However, ultrasonic spot welding is only suitable for connecting flat metal strips, and the effect of connecting cylindrical enameled wires with insulation is not satisfactory.
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[0022] In order to make the object, technical solution and technical effect of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be understood that the specific implementations described in this specification are only for explaining the present invention, not for limiting the present invention.
[0023] First of all, the technical parameters of the complex spot welding machine host, resistance welding spot welding head, ultrasonic spot welding head and other structures related to the present invention are briefly introduced as follows.
[0024] A resistance welding power supply and an ultrasonic generator are installed in the chassis of the compound spot welding main engine. The size of the chassis is about 50*30*30 (length*width*height). The display and control devices of the resistance welding power supply are respectively installed on the ...
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The invention discloses a pressure welding composite welding equipment, which comprises a composite spot welding main machine equipped with a resistance welding power supply and an ultrasonic generator, a resistance welding spot welding head and an ultrasonic spot welding head. The present invention proposes to remove the insulating layer of the thin enameled wire with the parallel electrode welding head of resistance welding spot welding or to flatten the enameled wire with poor weldability, and then perform compound spot welding at the same joint with ultrasonic sonic poles, which is the reason for poor weldability. Weldments (including pad substrates with poor solderability) provide a hybrid welding device for pressure welding. In addition, the present invention also proposes an improvement for the resistance welding spot welding head suitable for pressure welding composite spot welding, which is equipped with a preset electrode force display circuit and an electrode force detection and display circuit electrically connected, and the correction preset is displayed through an external pressure sensor. Sets the electrode force.
Description
technical field [0001] The invention belongs to the field of pressure welding, and more specifically, the invention relates to a pressure welding compound welding equipment. Background technique [0002] In the field of welding, both resistance welding spot welding and ultrasonic spot welding belong to pressure welding. The electronics industry needs to weld enameled wire lead-out wires to pad contacts of various electronic components. For example, Chinese invention patent 01114785.7 "Spot welding machine that can directly weld enameled wire" reveals that this welding has been better solved by resistance spot welding. technology. However, for poor weldability weldments, including poor weldability pads (also known as base materials) and poor weldability workpieces, the prior art resistance spot welding is almost powerless. Ultrasonic spot welding can weld a wide range of materials, and even workpieces that are difficult to weld by resistance spot welding have a good connect...
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IPC IPC(8): B23K28/02
CPCB23K28/02
Inventor 杨仕桐蓝超华黎伟文王火华
Owner GUANGZHOU MICRO WELDING EQUIP