Wire-feeding speed regulating system

A technology of speed regulation system and wire feeding speed, which is applied in arc welding equipment, manufacturing tools, welding equipment, etc. It can solve the problems that the wire feeding speed cannot be adjusted, affects the welding seam formation, and easily causes welding defects, etc., so as to ensure the appearance Forming and stable wire feeding effect

Active Publication Date: 2014-12-17
ZHEJIANG JINGGONG STEEL BUILDING GRP
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Problems solved by technology

During the welding process, the current will change within a certain range, and the wire feeding system can fine-tune the wire feeding speed by detecting the magnitude of the current, but during the welding process, splashes, oil stains, rust and other debris will affect the wire feeding system When the wire feeding speed cannot be adjusted, it is easy to cause welding defects and affect the welding seam formation during welding.

Method used

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Embodiment Construction

[0015] In order to make the content of the present invention more clearly understood, the present invention will be further described in detail below based on specific embodiments and in conjunction with the accompanying drawings.

[0016] Such as figure 1 As shown, the present invention discloses a wire feeding speed regulation system, which includes a control power supply 1, a speed setting device 2, a DSP chip 3, a wire feeding power supply 4, a bridge drive circuit 5, a motor 6 and a test feedback Composition of grating 7;

[0017] Wherein, the DSP chip 3 is connected to the control power supply 1, the speed setting device 2, and the test feedback grating 7 respectively;

[0018] The bridge drive circuit 5 is connected to the motor 6, and the bridge drive circuit 5 controls the rotation of the motor 6;

[0019] The wire feeding power supply 4 is connected to the bridge drive circuit 5, and the wire feeding power supply 4 energizes the wire feeding circuit;

[0020] The ...

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Abstract

The invention belongs to the technical field of welding, and particular relates to a wire-feeding speed regulating system. According to the wire-feeding speed regulating system, a control system is adopted, a DSP (Digital Signal Processor) chip serves as a core of the control system, a pulse frequency signal in accordance with a wire-feeding speed is obtained through the speed measure feedback of a grating and is compared with an input speed giving signal to obtain an operation result, the operation result is output through a PWM (Pulse-Width Modulation) circuit, a PWM pulse-width control signal of which the frequency is 20KHz is output to a bridge-type driving circuit, the rotating speed of a motor is timely adjusted to adjust the wire-feeding speed, the operations are cyclically performed in sequence, and therefore the stability of the wire-feeding speed is guaranteed. The wire-feeding speed regulating system has the advantages that matching of the wire-feeding speed and welding parameters is realized; when the wire-feeding speed is abnormal, the wire-feeding speed is timely adjusted, the effect of feeding wires stably is achieved, and the appearance forming of a welding seam is guaranteed.

Description

technical field [0001] The invention belongs to the field of welding technology, and in particular relates to a wire feeding speed regulating system. Background technique [0002] In MIG / MAG welding, general electric welding machines usually adjust the wire feeding speed by adjusting the current. During the welding process, the current will change within a certain range, and the wire feeding system can fine-tune the wire feeding speed by detecting the magnitude of the current, but during the welding process, splashes, oil stains, rust and other debris will affect the wire feeding system When the wire feeding speed cannot be adjusted, it is easy to cause welding defects and affect the welding seam formation during welding. [0003] In view of this, the applicant provides a wire feeding speed regulation system, from which this case arises. Contents of the invention [0004] The purpose of the present invention is to provide a wire feeding speed regulation system, which can...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K9/133
CPCB23K9/124B23K9/133
Inventor 张建平孙关富戴为志李华滕氄曾祥文陆安洪阙子雄陈辉
Owner ZHEJIANG JINGGONG STEEL BUILDING GRP
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