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Structure for fixing projection welding nut by upper electrode

A projection welding nut and electrode technology, which is applied to resistance welding equipment, welding equipment, metal processing equipment, etc., can solve the problems of low welding efficiency and high labor intensity, and achieve the effects of improving production efficiency, reducing labor intensity, and convenient processing

Pending Publication Date: 2018-11-02
上海兰盈智能科技有限公司
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Problems solved by technology

[0004] At the same time, with the development of the automobile manufacturing industry, the production capacity of projection weldments and spot weldments is getting higher and higher. In the past, the projection weldments were manually projected by nuts, screws and plates, and the welding efficiency was low. strong

Method used

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  • Structure for fixing projection welding nut by upper electrode
  • Structure for fixing projection welding nut by upper electrode

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Embodiment Construction

[0012] The novel of the present invention will be further described below according to the accompanying drawings.

[0013] One end of the upper electrode connecting rod (7) is provided with a stepped blind hole inside, and an internal thread is provided at the end of the stepped blind hole, and a coil wire lead-out hole is also provided at the near end, and the middle part of the upper electrode rod is provided with The straight air inlet is connected with the top of the inner end of the blind hole of the step. The straight air inlet is threaded to connect the air inlet joint (8), the other end of the upper electrode rod is a tapered surface, and the upper electrode A cooling water channel is provided in the middle of one end of the cone surface of the rod.

[0014] A coil (6) is provided inside the large-step blind hole of the upper electrode rod (7), and the coil wire (9) is led out from the coil wire lead-out hole of the upper electrode rod (7).

[0015] The positioning pi...

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Abstract

A structure for fixing projection welding nut by an upper electrode; the invention relates to the technical field of a novel structure for fixing projection welding nut by an upper electrode, in particular to a structure, wherein the structure includes an upper electrode rod, a hollow coil is arranged in the upper electrode rod, a positioning pin is arranged in the coil, a positioning pin is magnetized by the magnetic field of the coil, the positioning pin is magnetically conductive and can absorb and position the projection nut, the technicality and manufacturability of absorbing and positioning the projection nut by the upper electrode are solved. Automatic fastener connection becomes the current technical trend of automobile and home appliance applications. The structure solves the problem that the projection welding pieces are connected with large plates by spot welding after being connected with small plates using nuts and screws through manual projection welding in the prior art,which causes low welding efficiency and high labor intensity. According to the technical scheme, that the structure can be arranged on a welding gun, can complete the process of adsorbing and positioning projection welding nuts by the upper electrode by matching with the structure conveying the projection welding nuts, and achieve the automatic welding the projection welding nuts by matching thewelding gun with a robot.

Description

technical field [0001] The invention relates to the technical field of a novel upper electrode fixing projection welding nut structure, specifically a hollow coil is provided in the upper electrode rod, a positioning pin is provided in the coil, and the positioning pin is magnetized by the magnetic field of the coil to make the positioning The pin is magnetically conductive, a structure that can absorb and position the projection welding nut, which solves the technical and manufacturability of positioning the projection welding nut on the upper electrode. It can be configured on the welding torch, and through the cooperation of the welding torch and the robot, automatic welding of the projection welding nut can be achieved. Background technique [0002] The automatic connection of fasteners is the current technical trend. From manual connection to fully automatic connection, it has advantages in reducing personnel, reducing labor intensity, improving the operator's environmen...

Claims

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Application Information

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IPC IPC(8): B23K11/14B23K11/36
CPCB23K11/14B23K11/36
Inventor 不公告发明人
Owner 上海兰盈智能科技有限公司
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