一种用于变速箱齿轮压紧焊接的自定心机构制造技术

本实用新型专利技术涉及一种用于变速箱齿轮压紧焊接的自定心机构，应用于变速箱齿轮全自动激光焊接设备，完成对工件自定心、压紧、退料动作，减小工件的径向跳动，其特征在于：1)自定心机构主要由定心锥轴、上压盘、承压套、活塞体、活塞环、压缩弹簧组成，上压盘居上方，定心锥轴居中间，承压套、活塞环居下方，压缩弹簧在活塞体内；2)定位动作由定心锥轴、上压盘完成，采用锥轴的锥面对工件导向及定位，上压盘辅助定位；3)压紧动作由上压盘、承压套完成，焊接设备伺服电机提升活塞体，上压盘接触工件上端面，承压套接触工件下端面，工件按设定夹紧力被夹紧；4)退料动作由活塞体、活塞环、压缩弹簧完成，焊接完成后伺服电机夹紧力释放，压缩弹簧弹力推动活塞环上移，定心锥轴推动工件依次脱离承压套及上压盘。

A self centering mechanism used for gear compression welding of gearbox

The utility model relates to a self-determined heart mechanism for the tight welding of gear gear, which is applied to the automatic laser welding equipment of the gearbox, and completes the self-determination, compressing and retreating action of the workpiece, and reduces the radial runout of the workpiece. It is characterized by 1) the self fixing mechanism mainly consists of the centering cone shaft, the upper press disc, the bearing sleeve, and the bearing sleeve. The piston body, piston ring and compression spring consist of the upper pressure plate, the center of the centering cone, the pressure sleeve and the piston ring at the bottom, the compression spring in the piston body; 2) the positioning action is completed by the centering cone axis and the upper press plate, the cone axis cones to the workpiece orientation and positioning, the upper pressure disc assists positioning; 3) the pressing action is from the upper pressure. The servo motor of the welding equipment is completed, the servo motor of the welding equipment is hoisting the piston body, the upper pressure plate contacts the end face of the workpiece, the pressure sleeve is in contact with the end face of the workpiece, the workpiece is clamped according to the setting clamping force; 4) the retreating action is completed by the piston body, the piston ring and the compression spring, and the clamping force of the servo motor is released after the welding is completed, and the compression spring force is pushed forward. The piston ring moves upward, and the centering cone shaft drives the work piece to detached from the bearing sleeve and the upper pressure plate in turn.

【技术实现步骤摘要】
一种用于变速箱齿轮压紧焊接的自定心机构
本技术涉及变速箱齿轮激光焊接设备，属于激光加工领域。应用于汽车制造行业的变速箱齿轮激光焊接，提升齿轮制造品质。本技术提供一种用于变速箱齿轮压紧焊接的自定心机构，通过定心锥轴、上压盘、承压套、活塞体、活塞环、压缩弹簧等将配装在一起的双联齿轮实现自动定心后压紧焊接。
技术介绍
汽车工业在我国国民经济中占据重要地位，特别是近几年汽车行业迅猛发展，汽车逐步成为多数人的代步工具。目前美国汽车保有量约3亿辆，中国14亿人口汽车保有量约1亿辆，我国汽车行业具备很大的增量空间。汽车变速箱是关键部件之一，提高变速器品质迫在眉睫，特别是自动挡变速箱质量亟待提升。我公司是变速箱齿轮激光焊接设备的专业制造商，经过近20年的生产实践，已有三代产品成功应用。采用激光焊接工艺，大幅提高了双联齿轮的焊接强度及焊接质量，同时提高了设备的生产效率。焊接后的齿轮有两个关键技术指标，一是焊接后齿轮的端面跳动，二是焊接后齿轮的径向跳动。端面跳动采用本公司的伺服控制压紧技术，焊接跳动量已控制在0.02mm以内，达到国际先进水平。径向跳动则与定位工装密切相关，国产装备焊接后跳动量在0.05本文档来自技高网...

【技术保护点】
一种用于变速箱齿轮压紧焊接的自定心机构，完成对工件自定心、压紧、退料动作，减小工件的径向跳动，其特征在于：自定心机构主要由定心锥轴、上压盘、承压套、活塞体、活塞环、压缩弹簧组成，上压盘居上方，定心锥轴居中间，承压套、活塞环居下方，压缩弹簧在活塞体内。

【技术特征摘要】
1.一种用于变速箱齿轮压紧焊接的自定心机构，完成对工件自定心、压紧、退料动作，减小工件的径向跳动，其特征在于：自定心机构主要由定心锥轴、上压盘、承压套、活塞体、活塞环、压缩弹簧组成，上压盘居...

【专利技术属性】
技术研发人员：黄昭明，刘鹏，万伟，
申请(专利权)人：武汉大族金石凯激光系统有限公司，
类型：新型
国别省市：湖北,42