Multifunctional welding machine controller based on PLC

A controller and multi-functional technology, applied in manufacturing tools, welding equipment, welding accessories, etc., can solve the problems of poor reliability and high power consumption of equipment, and achieve the effects of enhanced reliability, reduced power consumption of equipment, and increased control functions.

Inactive Publication Date: 2019-01-01
WUHAN UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are fewer types of existing multi-functional welding machines and most of them need to repurchase complete sets of equipment, and there are fewer compatible welding processes. At the same time, the relay control system of existing welding equipment has poor reliability and high power consumption.

Method used

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  • Multifunctional welding machine controller based on PLC
  • Multifunctional welding machine controller based on PLC

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Embodiment Construction

[0013] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0014] In the embodiment of the present invention, such as figure 1 As shown, a PLC-based multifunctional welding machine controller is provided, including a port trigger circuit and a welding process control circuit arranged in sequence, wherein the welding process control circuit includes a welding process sequence control circuit (arc striking, powder feeding, wire feeding, Gas supply and other process sequence control), delay circuit (ventilation, cooling water, wire feeding, powder feeding advance and lag time delay), parameter adjustment circuit, port trigger circuit is used to identify exter...

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Abstract

The invention discloses a multifunctional welding machine controller based on a PLC. The multifunctional welding machine controller comprises a port triggering circuit and a welding process control circuit which are sequentially arranged, wherein the welding process control circuit comprises a welding process time sequence control circuit, a time delay circuit and a parameter adjusting circuit; the port triggering circuit is used for recognizing external information input, the welding process information selected by an operator is transmitted to the welding process control circuit, the weldingprocess control circuit controls the operation of a welding power supply, a wire feeder, a powder feeder, a water cooler and an air channel, so that the control of the welding process, the display ofa working state of the controller and the adjustment of the welding parameters are realized. Manual arc welding, argon arc welding, plasma welding, and hard surface surfacing function of a plasma wire material and a powder material can be realized; a relay control system of existing welding equipment is replaced, so that the reliability of a control system is enhanced, a control function is increased, and the power consumption of the equipment is reduced.

Description

technical field [0001] The invention belongs to the technical field of welding machines, in particular to a PLC-based multifunctional welding machine controller. Background technique [0002] Manual arc welding is an arc welding method in which the electrode and the workpiece are in contact, causing a short circuit, generating high temperature, melting the electrode and the workpiece to achieve metal connection. Manual arc welding operations generally work on the horizontal section of the arc static characteristics, using an arc welding power source with reduced external characteristics. Argon arc welding is an arc welding technique that uses argon as a shielding gas. The arc static characteristic of argon arc welding is a flat characteristic or a rising characteristic. In order to reduce and eliminate the current fluctuation caused by the change of the arc length, an arc welding power source with a steep drop characteristic should be selected. Plasma arc welding mainly co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K9/095B23K9/10B23K9/32
CPCB23K9/095B23K9/10B23K9/32
Inventor 常明周建军李成峰高辉赵智才
Owner WUHAN UNIV OF TECH
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