WO2018145438A1 - 一种门框的旋转焊接装置 - Google Patents
一种门框的旋转焊接装置 Download PDFInfo
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- WO2018145438A1 WO2018145438A1 PCT/CN2017/098984 CN2017098984W WO2018145438A1 WO 2018145438 A1 WO2018145438 A1 WO 2018145438A1 CN 2017098984 W CN2017098984 W CN 2017098984W WO 2018145438 A1 WO2018145438 A1 WO 2018145438A1
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- welding
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- 238000003466 welding Methods 0.000 title claims abstract description 96
- 230000009467 reduction Effects 0.000 claims abstract description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 19
- 238000004519 manufacturing process Methods 0.000 abstract description 13
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- 230000006872 improvement Effects 0.000 description 4
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- 238000010168 coupling process Methods 0.000 description 3
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- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000003825 pressing Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
Definitions
- the invention relates to a welding device in the field of automobile spare parts production research, in particular to a rotary welding device for a door frame.
- the production process of the company's door and window frames is a split-type production, and then the individual parts are welded together by the splicing and welding method to form a welded piece of the door frame, but the result of welding the separate parts of the door frame is different.
- the welding method is also different. It is often because of the limitation of welding the inner and outer surfaces of the product and the welding of the side door and the inner door. Therefore, the welding process must be separated during the welding process, the welding process is increased, and the welding jig and welding robot are added. The welding personnel have led to an increase in the development cost of the entire product. The operator needs to run back and forth between several processes during the welding operation, which is labor intensive.
- the existing welding method is: the operator in the first process fixes the product on the welding fixture, presses the clamp pressing block, positions the product on the welding fixture, and adjusts the welding of the welding robot.
- the program trajectory finally finishes the outer surface of the lap joint of the first process segment. After the outer surface is welded, the product is removed and sent to the second process. The operator flips the product 180 degrees and will weld. The back side of the product is facing outward, positioned on the second welding fixture, clamping the clamping block, adjusting the welding program trajectory of the welding robot, completing the welding of the inner surface of the welding product, and completing the corner welding of the product.
- the object of the present invention is to provide a rotary welding device for a door frame, which improves the working efficiency of the welding robot, reduces the process of the product, reduces the investment cost of the developer, improves the production efficiency, realizes the semi-automatic production mode, and reduces the operator.
- the labor intensity while improving the welding quality of the product.
- a rotary welding device for a door frame comprising a welding robot, a welding fixture and two rotating bases, wherein the inner side of each of the rotating bases is hinged with a clamp rotating joint, one of which A rotating electric machine is mounted on an upper end surface of the rotating base, and a rotating gear box is disposed between the rotating electric machine and the closest angle rotating connecting seat thereof, and the welding jig is installed between two jig rotating joints, and is arranged on the welding jig
- a plurality of clamping cylinders are disposed around the workpiece placement chamber, and a positioning block matching the shape of the workpiece is disposed on the protruding end of each of the clamping cylinders.
- a plurality of the escape holes are connected to form a Y-shaped escape hole, and the Y-shaped escape hole divides the workpiece placement cavity into a first placement zone, a second placement zone, and a third placement zone.
- the rotary electric machine and the reduction gear box are mounted on the upper end surface of the angular rotation joint.
- a control box for controlling the rotational trajectory of the rotating electrical machine and the welding robot is also included.
- Figure 1 is a schematic view of the structure of the present invention.
- a rotary welding device for a door frame includes a welding robot 1, a welding jig 4, and two rotating bases 2, and an inner side of each of the rotating bases 2 is hinged with a jig rotary joint 3, one of which is rotated.
- a rotating electric machine 7 is mounted on the upper end surface of the seat 2, and a reduction gear box 8 is disposed between the rotating electric machine 7 and its closest angular rotating connection seat, and the welding jig 4 is mounted between the two jig rotating joints 3,
- the welding jig 4 is provided with a workpiece placement chamber 5 and a plurality of escape holes 6 exposing the workpiece welding position, the escape holes 6 penetrating both end faces of the welding jig 4.
- the rotary electric machine 7 is a servo motor.
- the invention ensures that after the completion of one welding, the welding fixture 4 is not disassembled, and the welding fixture 4 is rotated to a favorable position suitable for welding by the welding robot 1 by the rotation control of the servo motor, and the welding robot 1 is again performed.
- Welding, complete the welding work of the product the whole operation process is completed by the servo motor to drive the rotating device, semi-automatic and easy to operate; the whole design considers the personnel input cost, equipment and tooling input cost considerations, effectively the former two workers The work is effectively combined into one station, which improves production efficiency.
- a plurality of clamping cylinders are disposed around the workpiece placement chamber 5, and a positioning block 9 matching the shape of the workpiece is disposed on the protruding end of each of the clamping cylinders.
- a plurality of the escape holes 6 are connected to form a Y-shaped escape hole, and the workpiece placement cavity 5 is an open rectangular shape, and the Y-shaped escape hole divides the workpiece placement cavity 5 into a first placement area, a second placement zone and a third placement zone.
- the two furcation portions of the Y-shaped escape hole divide the workpiece placement chamber 5 into a first placement zone, a second placement zone, and a third placement zone, the vertical portion of the Y-shaped relief hole being located inside the workpiece placement cavity.
- the rotary electric machine 7 and the reduction gear box 8 are mounted on the upper end surface of the angular rotation joint.
- a control box for controlling the rotational trajectory of the rotary electric machine 7 and the welding robot 1 is further included.
- the program for controlling the rotational trajectory of the rotary electric machine 7 and the welding robot 1 in the control box is compiled from PLC programs well known to those skilled in the art.
- the production worker mounts and fixes the welding jig 4 on the jig rotary joint 3, and then clamps the product to the welding jig 4, and then controls the rotation of the jig along the rotating shaft by the rotational power control of the servo motor. Rotating in the opposite direction, the product is swung to the optimal position of the welding. By adjusting the swinging angle and the welding trajectory of the welding robot 1, the outer surface of the product is first welded and then controlled by the rotating device of the servo motor.
- the welding jig 4 is rotated to a certain angle, and the position of the welding fixture 4 is used to weld the relevant position of the product, so that the welding robot 1 can weld the inner surface of the product at the position of the inner overlapping angle of the product, and the inner surface of the product is welded. Thereby, the outer surface and the inner surface of the product are welded to the same welding fixture 4 in the same process to complete the welding.
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- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
一种门框的旋转焊接装置,包括焊接机器人(1)、焊接夹具(4)以及两个旋转基座(2),每个所述旋转基座(2)的内侧铰接有夹具旋转连接座(3),其中一个旋转基座(2)的上端面安装有旋转电机(7),所述旋转电机(7)与其最接近的夹具旋转连接座(3)之间布置有减速箱(8),所述焊接夹具(4)安装在两个夹具旋转连接座(3)之间,焊接夹具(4)上布置有工件放置腔(5)和以及若干个将工件焊接位置暴露的避让孔(6),所述避让孔(6)贯穿焊接夹具(4)的两个端面。经过旋转电机(7)的伺服控制焊接夹具(4)的旋转,有效配合了焊接机器人(1)的焊接动作,使焊接角度和空间得以扩大,提高了生产效率;由于在同一副焊接夹具(4)上即可完成,且工序也由原来的2工序减到1工序,减少了设备、工装和人员的投入,降低了生产的成本。
Description
技术领域
本发明涉及汽车零配件生产研究领域中的一种焊接设备,特别是一种门框的旋转焊接装置。
背景技术
由于目前公司的车门窗框的生产工艺都是分体形的生产,再通过拼接焊接方式,把各个分体零件焊接在一起,组成一个门框的焊接件,但由于门框焊接各分体的结果不一样,焊接的方式也不同,经常因为产品内外表面焊接,侧门和内侧门焊接的局限性,导致在焊接过程中必须把各个焊接工序拆分开,增加焊接工序,同时要增加焊接治具、焊接机器人和焊接的作业人员,导致整个产品的开发成本投入加大,作业员在焊接作业时需在几个工序间来回跑动作业,劳动强度大。
具体地,现有的焊接方式为:第一道工序中的作业员将产品固定在焊接夹具上,压紧夹具压紧块,将产品定位在紧固在焊接夹具上,通过调整焊接机器人的焊接程序轨迹,最终将第一道工序分段的产品搭接部位的外表面焊接完成,外表面焊接完成后,将产品取下,送至第二道工序,作业员将产品翻转180度,将焊接产品的背面朝外,定位放置在第二个焊接夹具上,夹紧夹具压紧块,调整焊接机器人的焊接程序轨迹,完成焊接产品的内表面焊接,完成产品的搭角焊接的作业。
发明内容
本发明的目的,在于提供一种门框的旋转焊接装置,其提高焊接机器人的工作效率,减少产品的工艺工序,减少开发人员成本的投入,提高生产效率,实现半自动化的生产模式,减少作业员的劳动强度,同时提高了产品的焊接质量。
本发明解决其技术问题的解决方案是:一种门框的旋转焊接装置,包括焊接机器人、焊接夹具以及两个旋转基座,每个所述旋转基座的内侧铰接有夹具旋转连接座,其中一个旋转基座的上端面安装有旋转电机,所述旋转电机与其最接近的夹角旋转连接座之间布置有减速箱,所述焊接夹具安装在两个夹具旋转连接座之间,焊接夹具上布置有工件放置腔和以及若干个将工件焊接位置暴露的避让孔,所述避让孔贯穿焊接夹具的两个端面。
作为上述技术方案的进一步改进,所述工件放置腔的四周布置有多个夹紧气缸,每个所述夹紧气缸的伸出端上布置有与工件外形匹配的定位块。
作为上述技术方案的进一步改进,若干个所述避让孔连通后构成Y形避让孔,所述Y形避让孔将工件放置腔分隔成第一放置区、第二放置区以及第三放置区。
作为上述技术方案的进一步改进,所述旋转电机和减速箱安装在夹角旋转连接座的上端面。
作为上述技术方案的进一步改进,还包括用于控制旋转电机和焊接机器人运动轨迹的控制箱。
本发明的有益效果是:
1)
之前的生产工艺方法完全是依靠焊接机器人的关节轴控制操作,焊接机器人的关节臂和焊接角度有限,一次无法完成相对复杂的产品的内外表面焊接的产品,生产效率低。经过工艺改造后,经过旋转电机的伺服控制焊接夹具的旋转,有效配合了焊接机器人的焊接动作,使焊接角度和空间得以扩大,提高了生产效率;
2)
工艺改造后,由于在同一副焊接夹具上即可完成,且工序也由原来的2工序减到1工序,减少了设备、工装和人员的投入,降低了生产的成本。
附图说明
为了更清楚地说明本发明实施例中的技术方案,下面将对实施例描述中所需要使用的附图作简单说明。显然,所描述的附图只是本发明的一部分实施例,而不是全部实施例,本领域的技术人员在不付出创造性劳动的前提下,还可以根据这些附图获得其他设计方案和附图。
图1是本发明的结构示意图。
具体实施方式
以下将结合实施例和附图对本发明的构思、具体结构及产生的技术效果进行清楚、完整地描述,以充分地理解本发明的目的、特征和效果。显然,所描述的实施例只是本发明的一部分实施例,而不是全部实施例,基于本发明的实施例,本领域的技术人员在不付出创造性劳动的前提下所获得的其他实施例,均属于本发明保护的范围。另外,文中所提到的所有联接/连接关系,并非单指构件直接相接,而是指可根据具体实施情况,通过添加或减少联接辅件,来组成更优的联接结构。
参照图1,一种门框的旋转焊接装置,包括焊接机器人1、焊接夹具4以及两个旋转基座2,每个所述旋转基座2的内侧铰接有夹具旋转连接座3,其中一个旋转基座2的上端面安装有旋转电机7,所述旋转电机7与其最接近的夹角旋转连接座之间布置有减速箱8,所述焊接夹具4安装在两个夹具旋转连接座3之间,焊接夹具4上布置有工件放置腔5和以及若干个将工件焊接位置暴露的避让孔6,所述避让孔6贯穿焊接夹具4的两个端面。旋转电机7为伺服电机。
本发明按伺服控制旋转的原理,确保产品在完成一次焊接后,不用拆卸焊接夹具4,通过伺服电机的旋转控制,将焊接夹具4旋转到适合焊接机器人1焊接的有利位置,再次进行焊接机器人1焊接,完成产品的焊接工作,整个操作过程均通过伺服电机带动旋转装置完成,实现半自动化,操作非常方便;整个设计考虑了人员投入成本、设备和工装投入成本方面考虑,有效把以前的两工位作业有效合并为一个工位,提高了生产效率。
进一步作为优选的实施方式,所述工件放置腔5的四周布置有多个夹紧气缸,每个所述夹紧气缸的伸出端上布置有与工件外形匹配的定位块9。
进一步作为优选的实施方式,若干个所述避让孔6连通后构成Y形避让孔,工件放置腔5为开口的矩形状,所述Y形避让孔将工件放置腔5分隔成第一放置区、第二放置区以及第三放置区。Y形避让孔的两分叉部分将工件放置腔5分隔成第一放置区、第二放置区以及第三放置区,Y形避让孔的竖直部分位于工件放置腔内部。
进一步作为优选的实施方式,所述旋转电机7和减速箱8安装在夹角旋转连接座的上端面。
进一步作为优选的实施方式,还包括用于控制旋转电机7和焊接机器人1运动轨迹的控制箱。控制箱中控制旋转电机7和焊接机器人1运动轨迹的程序为本领域技术人员所熟知的PLC程序汇编而成。
生产作业员将焊接夹具4安装固定在夹具旋转连接座3上,然后将产品装夹到焊接夹具4上,再通过伺服电机的旋转动力控制,控制夹具旋转连接座3沿着其旋转轴的正反方向的旋转,将产品摆动到焊接最佳位置上,通过调整焊接机器人1的摆动角度和焊接轨迹,先对产品的外表面搭接角位进行焊接,然后通过伺服电机的旋转装置控制,将焊接夹具4旋转到一定角度,利用焊接夹具4的避空位的位置,对产品的相关位置进行焊接,达到焊接机器人1可以对产品的内搭接角位焊接的位置,进行产品的内表面焊接,从而达到产品的外表面和内表面焊接在同一工序同一焊接夹具4上完成焊接。
以上是对本发明的较佳实施方式进行了具体说明,但本发明创造并不限于所述实施例,熟悉本领域的技术人员在不违背本发明精神的前提下还可作出种种的等同变型或替换,这些等同的变型或替换均包含在本申请权利要求所限定的范围内。
Claims (5)
- 一种门框的旋转焊接装置,其特征在于:包括焊接机器人、焊接夹具以及两个旋转基座,每个所述旋转基座的内侧铰接有夹具旋转连接座,其中一个旋转基座的上端面安装有旋转电机,所述旋转电机与其最接近的夹角旋转连接座之间布置有减速箱,所述焊接夹具安装在两个夹具旋转连接座之间,焊接夹具上布置有工件放置腔和以及若干个将工件焊接位置暴露的避让孔,所述避让孔贯穿焊接夹具的两个端面。
- 根据权利要求1所述的门框的旋转焊接装置,其特征在于:所述工件放置腔的四周布置有多个夹紧气缸,每个所述夹紧气缸的伸出端上布置有与工件外形匹配的定位块。
- 根据权利要求2所述的门框的旋转焊接装置,其特征在于:若干个所述避让孔连通后构成Y形避让孔,所述Y形避让孔将工件放置腔分隔成第一放置区、第二放置区以及第三放置区。
- 根据权利要求1所述的门框的旋转焊接装置,其特征在于:所述旋转电机和减速箱安装在夹角旋转连接座的上端面。
- 根据权利要求1所述的门框的旋转焊接装置,其特征在于:还包括用于控制旋转电机和焊接机器人运动轨迹的控制箱。
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CN103317289A (zh) * | 2013-07-12 | 2013-09-25 | 苏州澳冠自动化设备有限公司 | 一种双工位焊接机器人 |
CN203380551U (zh) * | 2013-07-12 | 2014-01-08 | 苏州澳冠自动化设备有限公司 | 一种双工位焊接机器人 |
WO2014049637A1 (ja) * | 2012-09-25 | 2014-04-03 | 株式会社キーレックス | 溶接装置 |
CN203804494U (zh) * | 2014-04-23 | 2014-09-03 | 苏州澳克机械有限公司 | 一种挖斗焊接工装 |
CN204262620U (zh) * | 2014-11-21 | 2015-04-15 | 重庆嘉丰汽车零部件股份有限公司 | 机器人焊接系统 |
CN205520276U (zh) * | 2016-03-23 | 2016-08-31 | 常州华东人防设备有限公司 | 门框回转拼框焊接一体化工作台 |
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2017
- 2017-02-07 CN CN201720116094.8U patent/CN206484210U/zh not_active Expired - Fee Related
- 2017-08-25 WO PCT/CN2017/098984 patent/WO2018145438A1/zh active Application Filing
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JP4942917B2 (ja) * | 2004-03-23 | 2012-05-30 | 株式会社神戸製鋼所 | ロボット溶接干渉回避装置及び方法 |
WO2014049637A1 (ja) * | 2012-09-25 | 2014-04-03 | 株式会社キーレックス | 溶接装置 |
CN103317289A (zh) * | 2013-07-12 | 2013-09-25 | 苏州澳冠自动化设备有限公司 | 一种双工位焊接机器人 |
CN203380551U (zh) * | 2013-07-12 | 2014-01-08 | 苏州澳冠自动化设备有限公司 | 一种双工位焊接机器人 |
CN203804494U (zh) * | 2014-04-23 | 2014-09-03 | 苏州澳克机械有限公司 | 一种挖斗焊接工装 |
CN204262620U (zh) * | 2014-11-21 | 2015-04-15 | 重庆嘉丰汽车零部件股份有限公司 | 机器人焊接系统 |
CN205520276U (zh) * | 2016-03-23 | 2016-08-31 | 常州华东人防设备有限公司 | 门框回转拼框焊接一体化工作台 |
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CN109807533A (zh) * | 2018-12-14 | 2019-05-28 | 珠海市润星泰电器有限公司 | 一种可翻转焊接设备及自动焊接系统 |
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