Automatic control mistake proofing method for nut welding of projection welding machine

A projection welding machine and nut technology, which is applied in the field of automatic control error proofing of projection welding machine nut welding, can solve the problems of low degree of automation and the like

Inactive Publication Date: 2021-09-14
天津七所高科技有限公司
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Problems solved by technology

[0003] In view of this, the present invention proposes a method for automatic control and error-proofing of projection welder nut welding to solve the problem of low automation in traditional detection methods

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  • Automatic control mistake proofing method for nut welding of projection welding machine
  • Automatic control mistake proofing method for nut welding of projection welding machine
  • Automatic control mistake proofing method for nut welding of projection welding machine

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Embodiment Construction

[0031] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0032] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientation or height relationship indicated by "vertical", "horizontal", "top", "bottom", "inner" and "outer" is based on the orientation or height relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be understood a...

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Abstract

The invention provides an automatic control mistake proofing method for nut welding of a projection welding machine. The method comprises the following steps that S1, a displacement sensor is installed on the upper electrode side of a machine head of the projection welding machine; S2, the nut welding standard height is calibrated through an upper system; S3, a nut is placed at a welding point position, and a welding starting signal is sent to a welding controller and an upper computer through a PLC; S4, the upper computer sends the welding specification parameters to the welding controller; S5, the welding controller controls the upper electrode to be pressed down according to welding specification parameters, the displacement sensor sends detected data to the PLC, and the upper computer reads the height of the upper electrode in the PLC; and S6, when the difference value between the current height of the upper electrode and the nut welding standard height is larger than a preset compensation value, it is judged that the nut is placed abnormally, the projection welding machine stops welding, and otherwise, it is judged that the nut is placed correctly, and welding is conducted. According to the automatic control mistake proofing method for nut welding of the projection welding machine, the problem that a traditional detection method is low in automation degree is solved.

Description

technical field [0001] The invention belongs to the field of welding technology, in particular to a method for automatic control and error prevention of nut welding of a projection welding machine. Background technique [0002] Projection welding machine is a commonly used welding device for mechanical parts such as auto parts. It is often used for welding nuts and screws. In nut welding, by adding to the projection welding machine equipment Nut detection device It can conveniently realize the detection of the nut placement status, so as to realize the anti-error function of nut welding and avoid welding errors. The traditional detection method adopts the control form of PLC+HMI, which is complicated to control and has a low degree of automation. Contents of the invention [0003] In view of this, the present invention proposes an automatic control and error prevention method for nut welding of a projection welding machine to solve the problem of low automation in traditi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K11/14B23K11/30B23K11/36
CPCB23K11/14B23K11/30B23K11/36
Inventor 徐昊张益民翟宝亮田增泰刘锋
Owner 天津七所高科技有限公司
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