钢筋钢带自动焊生产线专用电阻焊焊机的设计
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摘要
为了解决常规钢筋钢带自动焊生产线中焊接单根短节存在的生产效率低、焊接短节两端焊接热量不均、短节并联分流以及焊接三相电流不平衡等问题,采用同时焊接6根钢筋短节,且单根短节的焊接采取双电源独立供电模式进行焊接。设计了专用电阻焊的焊接接头及焊接电源的结构,计算了其主要参数,实现了钢筋钢带的自动焊接。检测结果表明,焊接产品的拉伸断裂荷重满足实际使用要求,该设计结构和参数合理可行。
In order to solve the problems of low production efficiency, uneven welding heat, parallel shunt, and three-phase current imbalance in the single-segment welding of conventional steel bar and strip production welding, the six steel strips are welded by the simultaneous welding method, and the single short section of the soldering takes a dual power supply independent mode. The structure of welding joints and welding power source for special resistance welding was designed. The main parameters were calculated and the automatic welding of steel strips was realized. The test results show that the tensile fracture load of the welded product meets the actual use requirements, and the design structure and parameters are reasonable and feasible.
In order to solve the problems of low production efficiency, uneven welding heat, parallel shunt, and three-phase current imbalance in the single-segment welding of conventional steel bar and strip production welding, the six steel strips are welded by the simultaneous welding method, and the single short section of the soldering takes a dual power supply independent mode. The structure of welding joints and welding power source for special resistance welding was designed. The main parameters were calculated and the automatic welding of steel strips was realized. The test results show that the tensile fracture load of the welded product meets the actual use requirements, and the design structure and parameters are reasonable and feasible.
引文
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[2]杨浩,孟凡军,孙阳,等.自动电阻焊技术在梯子梁制造中的应用[J].新技术新工艺,2013(6):100-101.
[3]秦禹,卫进.基于PID-模糊控制梯子梁焊接电路的仿真[J].制造业自动化,2014(20):109-111.
[4]孙阳,孟凡军,何毅,等.基于PLC和伺服控制技术的梯子梁自动焊接平台控制系统[J].新技术新工艺,2013(2):110-114.
[5]周静红.基于PLC控制的电阻焊技术的研究[J].自动化应用,2016(12):84-85.
[6]巩宪波.多规格船用锚链横档自动焊接设备的研究与设计[D].青岛:青岛科技大学,2017.
[7]杨锐.自动化金刚石钻头激光焊接系统的研究[D].武汉:华中科技大学,2007.
[8]张勇.电阻焊控制技术[M].西安:西北工业大学出版社,2014.
[9]KNIGHT D L.Design of transformers for resistance welding machines[J].Transactions of the American Institute of Electrical Engineers Part II Applications&Industry,2012,72(4):238-243.
[10]赵熹华,冯吉才.压焊方法及设备[M].北京:机械工业出版社,2005:106-115.
[11]中国机械工程学会焊接学会.焊接手册(第1卷)[M].北京:机械工业出版社,1992:425-440.