WO2018145445A1 - Dispositif de soudage automatique par points de goujon de porte-bagages d'automobile - Google Patents

Dispositif de soudage automatique par points de goujon de porte-bagages d'automobile Download PDF

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Publication number
WO2018145445A1
WO2018145445A1 PCT/CN2017/098992 CN2017098992W WO2018145445A1 WO 2018145445 A1 WO2018145445 A1 WO 2018145445A1 CN 2017098992 W CN2017098992 W CN 2017098992W WO 2018145445 A1 WO2018145445 A1 WO 2018145445A1
Authority
WO
WIPO (PCT)
Prior art keywords
spot welding
stud
luggage rack
cylinder
conveying rail
Prior art date
Application number
PCT/CN2017/098992
Other languages
English (en)
Chinese (zh)
Inventor
于文硕
Original Assignee
广州敏惠汽车零部件有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 广州敏惠汽车零部件有限公司 filed Critical 广州敏惠汽车零部件有限公司
Publication of WO2018145445A1 publication Critical patent/WO2018145445A1/fr

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Classifications

    • 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
    • B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
    • 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 to a procedure covered by only one of the preceding main groups

Definitions

  • the invention relates to a welding device in the field of automobile spare parts production research, in particular to an automatic stud spot welding device for a car luggage rack.
  • the existing operation mode is that an operator fixes the luggage rack on the profiling fixture, opens the clamping device to clamp the luggage rack fixing bracket, and then places a stud on the insulating positioning pin to start the welding machine point.
  • welding welding completes the loosening of the clamping device
  • the picking part places the welded semi-finished product on the transfer frame
  • another operator fixes the welded semi-finished product on the profiling fixture
  • opens the clamping device to clamp the welded semi-finished product
  • clamps the other
  • the studs are placed on the insulating locating pins, the spot welding of the welding machine is started, and the clamping device is loosened after the welding is completed, and the operation is completed. Therefore, it is now necessary to have one stud welding process with two welding machines, two sets of welding jigs, two people to carry out the work, the process is repeated, the tooling equipment is invested heavily, and the production safety and production efficiency are low.
  • the hand stud When the operator performs the welding work, the hand stud should be placed on the insulating locating pin. If the locating pin is worn or misaligned, the stud welding will be directly misaligned, so that the hole of the luggage rack and the roof fixing screw cannot be loaded during loading. Standard, can not guarantee quality.
  • the workpiece When the operator transfers the semi-finished product to the next process, the workpiece has a small size, and the welding residual temperature has a safety hazard, which is easy to cause burns to the operator, and the operator needs to perform a large amount of repetitive work by holding the stud and the semi-finished product, and the labor intensity is large.
  • the object of the present invention is to provide an automatic stud spot welding device for a car luggage rack, which conveys a stud through a vibrating plate, and the servo robot grasps the stud to accurately position the welding operation, and the entire operation process is automatically completed.
  • an automatic stud spot welding device for an automobile luggage rack comprising a frame on which a workpiece fixing jig and a spot welding machine located above the workpiece fixing jig are arranged a vibrating plate, a conveying track fixed on the vibrating plate, and a servo manipulator for feeding the stud at the end of the conveying rail to the luggage rack of the automobile, wherein the spot welding portion of the spot welding machine is arranged with two spot welding heads, two The spot welding heads are respectively directed to the two stud welding positions on the luggage rack of the automobile, and the end of the conveying rail, the servo robot and the two spot welding heads are arranged in a straight line.
  • the servo robot includes a first slider, a first rail parallel to the conveying rail, a first cylinder that drives the first slider to slide along the first rail, and is mounted on the first slider.
  • a second cylinder and a loading cylinder mounted on the extended end of the second cylinder, the protruding end of the second cylinder is vertically downward, and two clamping blocks are mounted on the working end of the loading cylinder, two A stud clamping space is formed between the clamping blocks, and the end of the conveying rail is blocked by the stopper to form a stud standby space capable of accommodating a stud.
  • the inside of the conveying rail forms a hollow passage through which the stud passes, and the upper end of the stud standby space is open.
  • a workpiece locking device is disposed at two ends of the workpiece fixing jig, and a discharging plate is disposed on a front outer side of the workpiece fixing jig, and two ejector pins are disposed on the discharging plate.
  • Two of the rams extend horizontally into the interior of the workpiece fixture, and a jacking cylinder is mounted in the frame, and the stripper plate is mounted on the projecting end of the jacking cylinder.
  • the two spot welding heads are mounted on the output end of the spot welding machine through the same mount.
  • the rack is equipped with a PLC controller, an emergency stop switch, a start switch, and a vibrating plate switch.
  • the invention has the beneficial effects that the invention transmits the stud through the vibrating plate, and the servo manipulator grasps the stud to accurately position and perform the welding operation, and the whole operation process is automatically completed, thereby avoiding the welding residual temperature and injuring the person, improving the safety and the safety. Solve the quality abnormalities caused by the operator's operation, ensure the welding accuracy and quality, and at the same time greatly reduce the labor intensity of the operator.
  • the special stud welding equipment can simultaneously weld the two studs and combine the processes into one, which can be completed by only one operator. The operator only needs to put the parts, press the stud spot welding device start button, take the three-step operation to complete the work, greatly reduce the labor intensity of the operator, improve the work efficiency, and reduce one person and one spot welding. Equipment reduces labor costs and equipment input costs.
  • Figure 1 is a schematic view of the structure of the present invention.
  • an automatic stud spot welding device for a car roof rack includes a frame 1 on which a workpiece fixing jig 2, a spot welding machine 5 located above the workpiece fixing jig 2, and vibration are disposed.
  • the two spot welding heads 6 respectively face two stud welding positions on the luggage rack of the automobile, and the end of the conveying rail 15, the servo robot and the two spot welding heads 6 are distributed in a straight line.
  • the servo robot includes a first slider 10, a first rail 9 parallel to the transport rail 15, a first cylinder 8 that drives the first slider 10 to slide along the first rail 9, and is mounted on the first a second cylinder 11 on a slider 10 and a loading cylinder 12 mounted on an extended end of the second cylinder 11, the projecting end of the second cylinder 11 being vertically downward, on the working end of the loading cylinder 12
  • Two clamping blocks 13 are mounted, and a stud clamping space is formed between the two clamping blocks 13.
  • the end of the conveying rail 15 is blocked by the blocking block 16 to form a stud capable of accommodating a stud. Standby space.
  • the inside of the conveying rail 15 forms a hollow passage through which the studs are received, and the hollow passage communicates with the stud standby space, and the upper end of the stud standby space is open for the robot to stand by from the stud. The stud is removed from the open end of the space.
  • the workpiece fixing fixture 2 is provided with workpiece locking devices 3 at both ends thereof, and the front outer side of the workpiece fixing jig 2 is provided with a discharging plate 4, and the discharging plate 4 is arranged with two a top ram 17, two of the ejector rods 17 extend horizontally into the interior of the workpiece fixing jig 2, in which the jacking cylinder is mounted, and the unloading plate 4 is mounted on the jacking of the jacking cylinder end.
  • the two spot weld heads 6 are mounted on the output of the spot welder 5 by the same mount. At this time, the two spot welding heads 6 realize simultaneous welding to improve welding efficiency.
  • the rack 1 is equipped with a PLC controller 7, an emergency stop switch, a start switch, and a vibrating plate switch.
  • the production operator first confirms the setting procedure of the PLC controller 7. After confirming the completion, the stud is placed on the vibrating plate 14, and the vibrating plate switch is pressed to adjust the stud under the vibration of the vibrating plate 14 and maintain the spot to be spotted. The studs are moved to the end of the conveying rail 15 in a spot welding state, and the studs are closely arranged, and one of the studs enters the stud standby space. After confirming, the operator places the spot welding semi-finished product on the workpiece fixing jig 2, presses the start switch, the workpiece locking device 3 starts to be in the clamped state to fix the semi-finished product, the servo manipulator starts, and the loading cylinder 12 moves to the conveying.
  • a stud is clamped at the end of the track 15, the second cylinder 11 drives the loading cylinder 12 to rise, the first cylinder 8 translates the loading cylinder 12 to the position of the stud insulating positioning pin, the stud is lowered, the servo robot returns to the origin, and the servo robot repeats
  • the work of gripping the stud is placed in another position of the car luggage rack, and the spot welder 5 drives the two spot welding heads 6 to move to the spot to be spotted, lowers the studs and semi-finished products, and sets the welding parameters according to the PLC controller 7
  • the spot welding operation is performed during the energization time.
  • the spot welding machine 5 drives the two spot welding heads 6 to return to the origin, and the workpiece locking device 3 is pressed down, and the spot welded product is jacked up by the jack 17 and then The operator takes the parts and the automatic spot welding process is completed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Resistance Welding (AREA)
  • Automatic Assembly (AREA)

Abstract

L'invention a trait à un dispositif de soudage automatique par points de goujon de porte-bagages d'automobile, comprenant un cadre (1), le cadre (1) étant pourvu d'un gabarit de fixation de pièce à travailler (2), une machine de soudage par points (5) qui est située au-dessus du gabarit de fixation de pièce à travailler (2), un disque de vibration (14), un rail de transport (15) qui est fixé sur le disque de vibration (14), et une main mécanique asservie qui achemine des goujons à une extrémité du rail de transport (15) sur un porte-bagages d'automobile. Des positions de soudage par points de la machine de soudage par points (5) sont pourvues de deux têtes de soudage par points (6), les deux têtes de soudage par points (6) font face à deux positions de soudage de goujons sur le porte-bagages d'automobile, et l'extrémité du rail de transport (15), la main mécanique asservie et les deux têtes de soudage par points (6) sont agencées en ligne droite. Les goujons sont transportés par l'intermédiaire du disque de vibration (14), la main mécanique asservie saisit et positionne précisément les goujons pour une opération de soudage, et l'ensemble du processus de fonctionnement est achevé automatiquement, empêchant ainsi la chaleur de soudage résiduelle de nuire aux personnes, augmentant la sécurité, résolvant les anomalies de qualité causées par les facteurs opérationnels des travailleurs, assurant la précision et la qualité du soudage, et diminuant significativement l'intensité de travail des travailleurs.
PCT/CN2017/098992 2017-02-07 2017-08-25 Dispositif de soudage automatique par points de goujon de porte-bagages d'automobile WO2018145445A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201720115044.8U CN206550525U (zh) 2017-02-07 2017-02-07 一种汽车行李架的自动螺柱点焊装置
CN201720115044.8 2017-02-07

Publications (1)

Publication Number Publication Date
WO2018145445A1 true WO2018145445A1 (fr) 2018-08-16

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Application Number Title Priority Date Filing Date
PCT/CN2017/098992 WO2018145445A1 (fr) 2017-02-07 2017-08-25 Dispositif de soudage automatique par points de goujon de porte-bagages d'automobile

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Country Link
CN (1) CN206550525U (fr)
WO (1) WO2018145445A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109732186A (zh) * 2019-03-14 2019-05-10 刘永定 锁板碰焊挂扣自动化设备
CN110270518A (zh) * 2019-07-23 2019-09-24 格力电器（武汉）有限公司 物料的自动检测设备

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108188554B (zh) * 2018-03-21 2020-06-19 重庆山朕科技发展有限公司 后轮鼓包内板螺柱焊夹具及其夹持机构
CN108237321A (zh) * 2018-04-13 2018-07-03 盛裕科技(苏州)有限公司 螺母点焊自动化装置
CN110340583B (zh) * 2019-08-09 2020-12-08 中俄国际医学研究股份有限公司 一种基于牙科托槽的铅银焊接设备
CN111230266A (zh) * 2020-02-11 2020-06-05 江门市恒正自动化设备科技有限公司 一种螺柱自动焊接机

Citations (6)

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Publication number Priority date Publication date Assignee Title
CN201534260U (zh) * 2009-11-02 2010-07-28 众泰控股集团有限公司 一种新型螺柱点焊机
EP2376254A2 (fr) * 2008-12-15 2011-10-19 Newfrey LLC Appareil de soudage des goujons
CN103659094A (zh) * 2012-09-21 2014-03-26 上海拖拉机内燃机有限公司 机器人点焊和螺柱焊焊接系统
JP2015042407A (ja) * 2013-08-26 2015-03-05 三菱電機株式会社 スタッド溶接の位置決め治具
CN204565405U (zh) * 2015-02-13 2015-08-19 宁波市鄞州永兴电子有限公司 用于焊接无源音箱背板上螺柱的点焊机
CN106112227A (zh) * 2016-08-22 2016-11-16 江门市蓬江区得力华自动化设备有限公司 一种铝锅螺柱自动焊接机

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2376254A2 (fr) * 2008-12-15 2011-10-19 Newfrey LLC Appareil de soudage des goujons
CN201534260U (zh) * 2009-11-02 2010-07-28 众泰控股集团有限公司 一种新型螺柱点焊机
CN103659094A (zh) * 2012-09-21 2014-03-26 上海拖拉机内燃机有限公司 机器人点焊和螺柱焊焊接系统
JP2015042407A (ja) * 2013-08-26 2015-03-05 三菱電機株式会社 スタッド溶接の位置決め治具
CN204565405U (zh) * 2015-02-13 2015-08-19 宁波市鄞州永兴电子有限公司 用于焊接无源音箱背板上螺柱的点焊机
CN106112227A (zh) * 2016-08-22 2016-11-16 江门市蓬江区得力华自动化设备有限公司 一种铝锅螺柱自动焊接机

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109732186A (zh) * 2019-03-14 2019-05-10 刘永定 锁板碰焊挂扣自动化设备
CN110270518A (zh) * 2019-07-23 2019-09-24 格力电器（武汉）有限公司 物料的自动检测设备

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