JP2003146265A - Assembly method for car body and its device - Google Patents
Assembly method for car body and its deviceInfo
- Publication number
- JP2003146265A JP2003146265A JP2001347740A JP2001347740A JP2003146265A JP 2003146265 A JP2003146265 A JP 2003146265A JP 2001347740 A JP2001347740 A JP 2001347740A JP 2001347740 A JP2001347740 A JP 2001347740A JP 2003146265 A JP2003146265 A JP 2003146265A
- Authority
- JP
- Japan
- Prior art keywords
- jig
- positioning
- side body
- assembly line
- positioning jig
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Landscapes
- Automatic Assembly (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、車体の組立方法及
びその装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle body assembly method and apparatus.
【０００２】[0002]
【従来の技術】通常、自動車の車体組立は、組立ライン
の溶接結合ステーションにおいて、塗装前のホワイトボ
ディであるアンダーボディ、サイドボディ、その他のボ
ディ部材を治具に取り付け、その治具を移動させて相対
位置を定めるか、或はラフにセットした各部材に治具を
当てて相対位置を定めるかによって、各部材相互の関係
位置を定め、その上で溶接ロボットにより部材同士を溶
接している。2. Description of the Related Art Normally, in car body assembly of an automobile, an underbody, a side body, and other body members which are unpainted white bodies are attached to a jig at a welding joining station of an assembly line, and the jig is moved. The relative position of each member is determined depending on whether the relative position is determined by a jig or a jig is applied to each member that is roughly set, and then the welding robot welds the members together. .
【０００３】このような組立ラインでは、自動車顧客の
ニーズの多様化に対応すべく、多車種混流形の車体組立
ラインの採用が主流となっている。In such an assembly line, in order to meet the diversifying needs of automobile customers, the mainstream is the adoption of a multi-model mixed flow type vehicle body assembly line.
【０００４】多車種を同一ラインで混流しながら組立て
る場合、車種により、ボディ部材の形状とクランプ位置
が異なるので、位置決め用治具を車種別に用意し、組立
てる車種毎に切替えて使用している。When assembling a large number of vehicle types while mixing them in the same line, the shape of the body member and the clamp position are different depending on the vehicle types. Therefore, a positioning jig is prepared for each vehicle type and used by switching for each vehicle type to be assembled.
【０００５】例えば、サイドボディの位置決め治具を、
多車種混流ラインに切替供給する方式として、図４に示
すように組立ラインに向けてスライド運動する多面形回
転体１を溶接結合ステーション２の両側に配置するもの
や、図５に示すように溶接結合ステーション２の両側に
治具台車３の循環搬送ライン４を設けるものがあった。For example, a side body positioning jig is
As a method of switching and supplying to a multi-vehicle mixed flow line, as shown in FIG. 4, a polyhedral rotating body 1 that slides toward an assembly line is arranged on both sides of a welding joining station 2, or as shown in FIG. There has been a system in which a circulating transfer line 4 for the jig carriage 3 is provided on both sides of the joining station 2.
【０００６】図４に示す多面形回転体１は、その一辺毎
に一車種のサイドボディ位置決め治具５ａを取り付け、
回転位置の割り出しにより、使用する治具５ａを天面の
サイドボディの供給位置に移動させてサイドボディ６を
装着し、このサイドボディ６が溶接結合ステーション２
に向く受け渡し姿勢となるように回転させた後に、前進
させて位置決めを行っている。The polygonal rotary body 1 shown in FIG. 4 has a side body positioning jig 5a of one vehicle type attached to each side thereof.
By determining the rotational position, the jig 5a to be used is moved to the supply position of the side body on the top surface, and the side body 6 is attached.
After being rotated so as to be in a delivery posture facing to, the positioning is performed by advancing.
【０００７】図５に示す循環搬送ライン４は、各治具台
車３に一車種のサイドボディ位置決め治具５ｂを取り付
け、組立てる車種に応じた治具台車３を、溶接結合ステ
ーション２と対向する位置に移動させてサイドボディ６
を装着し、図示しない手段により、このサイドボディ位
置決め治具５ｂを溶接結合ステーション２に起立前進さ
せて、サイドボディ６を溶接結合ステーション２内に位
置決めしている。In the circulating transfer line 4 shown in FIG. 5, a side body positioning jig 5b of one vehicle type is attached to each jig truck 3, and the jig truck 3 according to the vehicle type to be assembled is located at a position facing the welding joining station 2. Move to side body 6
The side body positioning jig 5b is erected and advanced to the welding and joining station 2 by a means (not shown) to position the side body 6 in the welding and joining station 2.
【０００８】[0008]
【発明が解決しようとする課題】図４に示す多面形回転
体１を用いるサイドボディ位置決め治具５ａの供給方式
は、その構造上、４車種のサイドボディ位置決め治具５
ａの供給が限度となる。Due to its structure, the side body positioning jig 5a using the polygonal rotary body 1 shown in FIG.
The supply of a is the limit.
【０００９】また、図５に示す循環搬送ライン４を用い
るものは、一つ一つのサイドボディ位置決め治具５ｂが
大きいので循環搬送ライン４が大きくなり、組立ライン
両側の配置スペース上、供給できる車種数が制限され
る。Further, in the case of using the circulating and conveying line 4 shown in FIG. 5, since each side body positioning jig 5b is large, the circulating and conveying line 4 becomes large, and the type of vehicle that can be supplied on the arrangement space on both sides of the assembly line Limited in number.
【００１０】そのため、交換可能数以上の車種の混流が
できず、それ以外の車種を組立てるときは、サイドボデ
ィ位置決め治具５ａ，５ｂの交換のため長期にわたって
組立ラインを停止する必要があった。Therefore, more than the exchangeable number of vehicle types cannot be mixed, and when assembling other vehicle types, it is necessary to stop the assembly line for a long period of time for exchanging the side body positioning jigs 5a and 5b.
【００１１】また、一車種のサイドボディ位置決め治具
５ａ，５ｂは、必要な位置決め精度を得るための剛性確
保のため、例えば１トン近い重量がある。このため、多
面形回転体１及び治具台車３と、それらの駆動機構は大
型になり、コストが高くなる問題があった。The side body positioning jigs 5a and 5b of one vehicle type have a weight of, for example, about 1 ton in order to secure the rigidity for obtaining the required positioning accuracy. Therefore, there is a problem that the polygonal rotary body 1 and the jig carriage 3 and their drive mechanisms become large in size, and the cost becomes high.
【００１２】さらに、同車系のセダンとワゴンのよう
に、サイドボディの前側半分が同一形状で後側半分のみ
異なる形状の場合でも、従来のサイドボディ位置決め治
具は前後一体であるため、治具を別々に作る必要があっ
た。Further, even when the front half of the side body has the same shape and only the rear half of the side body has a different shape like a sedan and a wagon of the same vehicle system, the conventional side body positioning jig is integrated in the front and rear. It was necessary to make the ingredients separately.
【００１３】そこで、本発明は、多車種のサイドボディ
位置決め治具を限られたスペースで供給でき、部分的に
共通するサイドボディ形状に対して治具の部分的共用化
を可能とし、かつ、冶具の小型軽量化による設備の簡素
化によりコストダウンができる車体の組立方法及びその
装置を提供することを目的とする。Therefore, according to the present invention, it is possible to supply the side body positioning jigs of many types of vehicles in a limited space, and it is possible to partially share the jigs with respect to the partially common side body shape, and An object of the present invention is to provide a vehicle body assembling method and apparatus that can reduce costs by simplifying equipment by reducing the size and weight of a jig.
【００１４】[0014]
【課題を解決するための手段】本発明の請求項１にかか
る車体の組立方法は、組立ライン上のボディ部材の溶接
位置決め治具の両側に、車種別に用意され前後に二分割
されたサイドボディ位置決め治具を、前後別々に供給し
て一体化し、この一体化した溶接位置決め治具にサイド
ボディを装着し、このサイドボディを、組立ライン上の
溶接位置決め治具に位置決めされたボディ部材に位置決
めして溶接することを特徴とする。A method for assembling a vehicle body according to claim 1 of the present invention is a side body which is prepared for each vehicle type and is divided into front and rear sides on both sides of a welding positioning jig for a body member on an assembly line. Positioning jigs are supplied separately to the front and back to be integrated, a side body is attached to this integrated welding positioning jig, and this side body is positioned on the body member positioned by the welding positioning jig on the assembly line. And then weld.
【００１５】この車体の組立て方法は、組立ライン上の
ボディ部材の溶接位置決め治具の両側に配置した定盤
に、前後に二分割されたサイドボディ位置決め治具を別
々に供給し、この定盤に固定されて一体化したサイドボ
ディ位置決め治具にサイドボディを水平姿勢で装着し、
この定盤の起立動作及び組立ライン側への前進動作によ
って、サイドボディを、組立ライン上の溶接位置決め治
具に位置決めされたボディ部材に位置決めする構成とす
ることができる。In this method of assembling a vehicle body, side body positioning jigs divided into front and rear are separately supplied to a surface plate arranged on both sides of a welding positioning jig for a body member on an assembly line, and the surface plate is separately supplied. Attach the side body in a horizontal position to the integrated side body positioning jig that is fixed to
The standing body and the advancing operation to the assembly line side can position the side body on the body member positioned on the welding positioning jig on the assembly line.
【００１６】本発明の請求項３にかかる車体の組立装置
は、前後に二分割されたサイドボディ位置決め治具の供
給を水平姿勢で受け、これを固定して一体化する定盤
と、この定盤を起立させる回転支持機構と、この定盤を
組立ライン側に前進させる前後動機構を備え、組立ライ
ン上のボディ部材の溶接位置決め治具の左右両側に配置
される位置決め搬送装置と、これら左右両側の位置決め
搬送装置に、前後に二分割されたサイドボディ位置決め
治具を別々に供給する左右一対づつの循環コンベアとを
具備したことを特徴とする。According to a third aspect of the present invention, there is provided a vehicle body assembling apparatus which receives a side body positioning jig, which is divided into two parts in a front and rear direction, in a horizontal posture, and which is fixed and integrated, and a surface plate. A rotation support mechanism that erects the board, a forward-backward movement mechanism that advances this surface plate to the assembly line side, and a positioning transfer device that is arranged on both left and right sides of the welding positioning jig of the body member on the assembly line. It is characterized in that the positioning / conveying devices on both sides are provided with a pair of left and right circulation conveyors for separately supplying the side body positioning jigs divided into front and rear.
【００１７】前記車体の組立装置における循環コンベア
への二分割されたサイドボディ位置決め治具の搬入と搬
出は、コンベア上を移動可能に配置された移載機と、こ
のコンベアの周囲に配置された治具置き台を用い、移載
機によって、循環コンベアと治具置き台の間で、二分割
されたサイドボディ位置決め治具の移載を行なう方式と
することができる。In the loading and unloading of the two divided side body positioning jigs to and from the circulating conveyor in the vehicle body assembling apparatus, a transfer machine movably arranged on the conveyor and a transfer machine arranged around the conveyor. It is possible to adopt a system in which a jig is placed on the side body positioning jig, which is divided into two parts, between the circulation conveyor and the jig rest by means of a transfer machine.
【００１８】[0018]
【発明の実施の形態】図１に本発明の車体組立装置７の
平面図を示す。これは、組立ライン８の溶接結合ステー
ション２で、搬送用治具に取り付けられたアンダーボデ
ィ９に対して、サイドボディ位置決め治具１０でクラン
プしたサイドボディ１１を左右両側から位置決め供給
し、別に供給されるルーフレール等の他のボディ部材と
共に溶接ロボット１２で溶接結合を行なう構成を示して
いる。1 is a plan view of a vehicle body assembly apparatus 7 of the present invention. In the welding joining station 2 of the assembly line 8, the side bodies 11 clamped by the side body positioning jigs 10 are positioned and supplied from the left and right sides to the underbody 9 attached to the carrying jig, and separately supplied. It shows a configuration in which welding is performed by the welding robot 12 together with other body members such as a roof rail.
【００１９】車種別に用意されるサイドボディ位置決め
治具１０は、図２に示すように前側治具１０ａと後側治
具１０ｂに二分割される。これらは、冶具パレット１３
ａ，１３ｂに、サイドボディの形状に応じた複数のクラ
ンパ１４を取り付けて構成される。これらクランパ１４
とサイドボディ１１のクランプ位置の関係は、例えば同
図で実線と鎖線で示す如くである。The side body positioning jig 10 prepared for each vehicle type is divided into a front jig 10a and a rear jig 10b, as shown in FIG. These are jig pallets 13
A plurality of clampers 14 corresponding to the shape of the side body are attached to a and 13b. These clampers 14
The relationship between the clamp position of the side body 11 and the clamp position of the side body 11 is as shown by a solid line and a chain line in FIG.
【００２０】車種毎に用意され、前後に二分割されたサ
イドボディ位置決め治具１０の前側治具１０ａと後側治
具１０ｂは、車体の右側と左側のものがあり、全部で四
種類ある。これらは、車体に対する位置関係に対応させ
て、溶接結合ステーション２の前後左右に配置された四
ヶ所の治具保管部１５に、所定個数ずつ置かれる。各冶
具保管部１５からは、前側治具１０ａと後側治具１０ｂ
が、溶接結合ステーション２の両側に一対ずつ配置され
た矩形状の循環コンベア１６ａ、１６ｂによっての位置
決め搬送装置１７、１７に供給される。The front side jig 10a and the rear side jig 10b of the side body positioning jig 10 which is prepared for each type of vehicle and is divided into two parts, front and rear, include right side and left side of the vehicle body, and there are four types in total. According to the positional relationship with respect to the vehicle body, a predetermined number of these are placed in the jig storage sections 15 arranged at four positions on the front, rear, left and right of the welding joint station 2. From each jig storage unit 15, a front jig 10a and a rear jig 10b are provided.
Are supplied to the positioning and conveying devices 17, 17 by rectangular circulating conveyors 16a, 16b arranged on both sides of the welding joining station 2.
【００２１】治具保管部１５は、コンベア１８上を直線
移動する移載機である搬送ロボット１９と、このコンベ
ア１８の周囲に配置された複数の治具受け台２０から構
成されている。治具受け台２０は、二分割されたサイド
ボディ位置決め治具１０の前側治具１０ａと後側治具１
０ｂを載せる台で、図示例では各コンベア１８の周囲に
５つずつ配置されている。搬送ロボット１９は前側治具
１０ａと後側治具１０ｂを、そのアームで把持するもの
で、コンベア１８上を走行すると共に旋回運動をする。
この搬送ロボット１９は組立ライン８を制御するコンピ
ュータにより制御されて、次に使用する前側治具１０ａ
と後側治具１０ｂを、治具置き台２０から循環コンベア
１６ａ、１６ｂに搬送し、使用済みの前側治具１０ａと
後側治具１０ｂを空になった治具置き台２０に移載す
る。搬送ロボット１９による循環コンベア１６ａ，１６
ｂに対する前側治具１０ａと後側治具１０ｂの搬入搬出
位置１６ｃは、位置決め搬送装置１７に対して矩形状の
循環コンベア１６ａ，１６ｂの対角線方向に対向する外
側角部である。前側冶具１０ａは、同車系のセダンとワ
ゴンのように、サイドボディの前側が共通している場合
は、治具保管部１５に一車種分を用意すればよい。これ
によってコストダウンが図れる。The jig storage section 15 is composed of a transfer robot 19 which is a transfer machine that linearly moves on the conveyor 18, and a plurality of jig cradle 20 arranged around the conveyor 18. The jig cradle 20 includes a front side jig 10a and a rear side jig 1 of the side body positioning jig 10 divided into two parts.
0b is placed on the table, and five tables are arranged around each conveyor 18 in the illustrated example. The transfer robot 19 holds the front jig 10a and the rear jig 10b with its arms, and travels on the conveyor 18 and makes a turning motion.
The transfer robot 19 is controlled by a computer that controls the assembly line 8, and the front jig 10a to be used next is used.
The rear jig 10b and the rear jig 10b are conveyed from the jig stand 20 to the circulating conveyors 16a and 16b, and the used front jig 10a and rear jig 10b are transferred to the empty jig stand 20. . Circulation conveyors 16a, 16 by the transfer robot 19
The carry-in / carry-out position 16c of the front jig 10a and the rear jig 10b with respect to b is an outer corner portion that diagonally opposes the positioning and conveying device 17 of the rectangular circulating conveyors 16a and 16b. When the front side of the side body is common to the front jig 10a, such as a sedan and a wagon of the same vehicle system, one vehicle type may be prepared in the jig storage unit 15. This can reduce costs.
【００２２】循環コンベア１６ａ、１６ｂは、ローラを
上面に並べて矩形の走行ラインを形成したもので、溶接
結合ステーション２の両側に、前後一対ずつ並べ、前側
治具１０ａと後側治具１０ｂを図示したように矩形移動
させる。各循環コンベア１６ａ、１６ｂは、組立ライン
側で隣接する角部同士が一体化した定盤２１を備えてい
る。この循環コンベア１６ａ、１６ｂにおける前側治具
１０ａと後側治具１０ｂの移動は、例えば、高速移動区
間に図示しないモータによって移動する係止部を用いた
牽引機構を設け、低速移動区間のローラをパワーローラ
として行う。The circulation conveyors 16a and 16b are formed by arranging rollers on the upper surface to form a rectangular traveling line. The front and rear jigs 10a and 10b are shown on both sides of the welding joining station 2 side by side. Move the rectangle as you did. Each circulating conveyor 16a, 16b is provided with a surface plate 21 in which adjacent corners are integrated on the assembly line side. For the movement of the front jig 10a and the rear jig 10b on the circulation conveyors 16a and 16b, for example, a pulling mechanism using a locking portion that is moved by a motor (not shown) is provided in the high speed movement section, and the rollers in the low speed movement section are moved. Perform as a power roller.
【００２３】前記定盤２１は位置決め搬送装置１７の一
部を構成するもので、一対の循環コンベア１６ａ，１６
ｂの組立ライン側の隣接する角部を一体化し、単独で動
けるように他の部分と独立させ、その上面に他の部分と
同様にローラを取り付けている。この定盤２１は、別々
に供給された前側治具１０ａと後側治具１０ｂを固定し
て一体化する図示しない固定機構を備えている。The surface plate 21 constitutes a part of the positioning and conveying device 17, and includes a pair of circulating conveyors 16a, 16a.
Adjacent corners on the assembly line side of b are integrated, independent from other parts so that they can move independently, and rollers are attached to the upper surface in the same manner as the other parts. The surface plate 21 includes a fixing mechanism (not shown) for fixing the front side jig 10a and the rear side jig 10b, which are separately supplied, to integrate them.
【００２４】上記定盤２１の下部に、この定盤２１に起
立倒伏運動と組立ライン側に前後動させる機構を設け
て、前記位置決め搬送装置１７が構成される。これを図
３に示す。前記定盤２１は、溶接結合ステーション２の
左右両側に軸線方向を一致させた状態で対向配置された
前後動機構２２上に移動可能に支持され、定盤２１を直
立させる回転支持機構２３を備えている。図示する実施
形態において、前後動機構２２は、ガイドレール２４に
案内される基台２５をシリンダ装置２６で前後動させる
ものである。回転支持機構２３は枢軸２８とリンク機構
２３ａによって支持した定盤２１をシリンダ装置２７に
より、枢軸２８を回転中心として略９０度回転させ倒伏
起立させる構造となっている。The positioning / conveying device 17 is constructed by providing a mechanism below the surface plate 21 for raising and lowering the surface plate 21 and moving it back and forth toward the assembly line. This is shown in FIG. The surface plate 21 is movably supported on front and rear movement mechanisms 22 that are opposed to each other on the left and right sides of the welding and joining station 2 with their axial directions aligned, and includes a rotation support mechanism 23 that erects the surface plate 21. ing. In the illustrated embodiment, the back-and-forth movement mechanism 22 moves the base 25 guided by the guide rails 24 back and forth by the cylinder device 26. The rotation support mechanism 23 has a structure in which the surface plate 21 supported by the pivot shaft 28 and the link mechanism 23a is rotated by the cylinder device 27 about 90 degrees about the pivot shaft 28 so as to rise and fall.
【００２５】上記構成において、組立ラインの溶接結合
ステーション２に、溶接位置決め治具で位置決めされた
アンダーボディ９に対するサイドボディ１１の位置決め
供給は次のように行われる。In the above structure, the side body 11 is positioned and supplied to the underbody 9 positioned by the welding positioning jig in the welding joining station 2 of the assembly line as follows.
【００２６】組立ライン８を制御するコンピュータの指
令により、次に組立てる車種に応じた前側治具１０ａと
後側治具１０ｂが、治具保管部１５から循環コンベア１
６ａ、１６ｂに搬入される。これは、搬送ロボット１９
のコンベア１８上の移動及び旋回動作により、所定の治
具置き台２０から、循環コンベア１６ａ，１６ｂの搬入
搬出位置１６ｃへの移載により行われる。A front jig 10a and a rear jig 10b corresponding to the type of vehicle to be assembled next are sent from the jig storage section 15 to the circulating conveyor 1 according to a command from a computer controlling the assembly line 8.
It is carried into 6a and 16b. This is the transfer robot 19
By the movement and the turning operation of the conveyor 18, the predetermined jig holder 20 transfers the circulating conveyors 16a and 16b to the loading / unloading position 16c.
【００２７】前後左右四種の前側治具１０ａと後側治具
１０ｂが、搬入搬出位置１６ｃに置かれると、循環コン
ベア１６ａ，１６ｂは、これを定盤２１の付近に移動さ
せて待機する。定盤２１に固定された前側治具１０ａと
後側治具１０ｂの使用が終わり、定盤２１が循環コンベ
ア１６ａ、１６ｂの一部となる位置に戻ると、前側治具
１０ａと後側治具１０ｂの固定を解除して、循環コンベ
ア１６ａ，１６ｂは使用済みの前側治具１０ａと後側治
具１０ｂと、待機していた前側治具１０ａと後側治具１
０ｂを、図示した移動方向に、略同時に移動させる。こ
のため、次に使用する前側治具１０ａと後側治具１０ｂ
の供給が迅速に行なえ、作業インデックスを短縮でき
る。When the front, rear, left and right front jigs 10a and the rear jig 10b are placed at the carry-in / carry-out position 16c, the circulating conveyors 16a, 16b move them to the vicinity of the surface plate 21 and stand by. When the use of the front side jig 10a and the rear side jig 10b fixed to the surface plate 21 is finished and the surface plate 21 is returned to the position where it becomes a part of the circulating conveyors 16a and 16b, the front side jig 10a and the rear side jig 10b. After releasing the fixing of 10b, the circulating conveyors 16a and 16b are used as the front jig 10a and the rear jig 10b, and the front jig 10a and the rear jig 1 that have been waiting.
0b is moved substantially simultaneously in the movement direction shown. Therefore, the front jig 10a and the rear jig 10b to be used next are
Can be supplied quickly and the work index can be shortened.
【００２８】使用済みの前側治具１０ａと後側治具１０
ｂは、循環コンベア１６ａ、１６ｂによって搬入搬出位
置１６ｃに送られ、搬送ロボット１９によって、空の治
具置き台２０に収納される。Used front jig 10a and rear jig 10
b is sent to the carry-in / carry-out position 16c by the circulating conveyors 16a and 16b, and is stored in the empty jig stand 20 by the carrying robot 19.
【００２９】定盤２１の上に前側治具１０ａと後側治具
１０ｂが供給されると、図２に示す位置関係で定盤２１
に固定される。さらに、図３に示すように、サイドボデ
ィ１１が図示しないロボットによって上方から供給さ
れ、前側治具１０ａと後側治具１０ｂのクランパ１４に
水平姿勢でクランプされる。When the front side jig 10a and the rear side jig 10b are supplied onto the surface plate 21, the surface plate 21 has the positional relationship shown in FIG.
Fixed to. Further, as shown in FIG. 3, the side body 11 is supplied from above by a robot (not shown) and clamped in a horizontal posture by the clampers 14 of the front jig 10a and the rear jig 10b.
【００３０】そして、回転支持機構２３によりサイドボ
ディ１１を、前側治具１０ａと後側治具１０ｂ、及び定
盤２１と共に起立させる。さらに、前後動機構２２のシ
リンダ装置２６を伸長させて、サイドボディ１１を溶接
結合ステーション２のアンダーボディ９に位置決めし、
ルーフレール等の他の部材を位置決め供給した後、溶接
ロボット１２による溶接を行なう。Then, the side body 11 is erected by the rotation support mechanism 23 together with the front jig 10a, the rear jig 10b, and the surface plate 21. Further, the cylinder device 26 of the forward / backward movement mechanism 22 is extended to position the side body 11 on the underbody 9 of the welding joining station 2,
After positioning and supplying other members such as a roof rail, welding is performed by the welding robot 12.
【００３１】この後に、前側治具１０ａと後側治具１０
ｂによるサイドボディ１１のクランプを解いて、位置決
め搬送装置１７の定盤２１は、循環コンベア１６ａ、１
６ｂと一体となる位置に復帰する。次の組立てが同一車
種の場合は、空になった前側治具１０ａと後側治具１０
に、サイドボディ１１が再度供給され、前記同様の手順
で組立が行われる。車種が変更になった場合は、前記同
様の手順で、使用済みの治具と、次に使用される治具が
交換される。After this, the front jig 10a and the rear jig 10
The side plate 11 of the positioning and conveying device 17 is released from the clamp of the side body 11 by b and the circulating conveyors 16a, 1
It returns to the position where it is integrated with 6b. When the next assembly is the same vehicle model, the front jig 10a and the rear jig 10 that have become empty are emptied.
Then, the side body 11 is supplied again, and the assembly is performed in the same procedure as described above. When the vehicle type is changed, the used jig and the jig to be used next are exchanged by the same procedure as described above.
【００３２】上記実施形態は、サイドボディ位置決め治
具１０を前後に二分割したことにより、その大きさと重
量を半分程度にしているので、矩形状の循環コンベア１
６ａ，１６ｂの設置面積と必要な駆動力を小さくでき、
搬送ロボット１９を用いた治具保管部１５の採用を可能
にして低コスト化を図ることができる。In the above embodiment, since the side body positioning jig 10 is divided into two parts, the size and weight thereof are halved, so that the rectangular circulating conveyor 1 is used.
The installation area of 6a and 16b and the required driving force can be reduced,
The jig storage unit 15 using the transfer robot 19 can be adopted, and the cost can be reduced.
【００３３】因みに、サイドボディ位置決め治具が前後
一体のものは、その重量が、例えば１トン程度あるの
で、一般的なアーム式の搬送ロボットによる移載は極め
て困難である。By the way, since the side body positioning jig having the front and rear integrated parts has a weight of, for example, about 1 ton, it is extremely difficult to transfer the jig by a general arm type transfer robot.
【００３４】上記実施形態で、治具置き台２０は、サイ
ドボディ位置決め治具１０の前側治具１０ａ又は後側治
具１０を１つ載せるものであったが、複数の治具を収納
するラック式冶具置き台を採用し、設置面積を増加させ
ずに、交換可能な前側治具１０ａと後側治具１０の数を
増やすこともできる。この場合は、治具保管部１５の搬
送ロボット１９をコンベア１８を持たない固定式とする
こともできる。In the above-described embodiment, the jig stand 20 is one on which the front jig 10a or the rear jig 10 of the side body positioning jig 10 is placed, but a rack for storing a plurality of jigs. It is also possible to increase the number of replaceable front side jigs 10a and rear side jigs 10 without increasing the installation area by adopting a type jig holder. In this case, the transfer robot 19 of the jig storage unit 15 may be a fixed type without the conveyor 18.
【００３５】また、循環コンベア１６ａ、１６ｂを用い
ないで、搬送ロボットにより、前側治具１０ａと後側治
具１０を、ラック式の治具置き台から位置決め搬送装置
１７に直接供給する構成とすることも可能である。Further, the front side jig 10a and the rear side jig 10 are directly supplied from the rack type jig stand to the positioning and conveying device 17 by the transfer robot without using the circulating conveyors 16a and 16b. It is also possible.
【００３６】[0036]
【発明の効果】本発明の請求項１にかかる発明によれ
ば、サイドボディ位置決め治具を前後に二分割して用い
るので、分割された治具の小型化及び軽量化により取り
扱い及び収納が容易になる。このため、多車種の治具の
切換え供給を、周囲に大きなスペースを要しないで行な
える。また、同車系のセダンとワゴンのように、サイド
ボディの前側半分が共通している場合は、その部分のサ
イドボディ位置決め冶具を一車種分用意すればよいの
で、コストダウンが図れる。According to the first aspect of the present invention, since the side body positioning jig is used by dividing it into front and rear parts, it is easy to handle and store due to the size and weight of the divided jig. become. For this reason, it is possible to switch and supply jigs for various vehicle types without requiring a large space around the jigs. Also, when the front half of the side body is common, as in the case of a sedan and a wagon of the same vehicle system, the side body positioning jig for that portion may be prepared for one vehicle type, thus reducing the cost.
【００３７】本発明の請求項２にかかる発明によれば、
溶接結合ステーションの両側に配置され倒伏起立及び前
後動する位置決め搬送装置によって、二分割されたサイ
ドボディ位置決め治具の一体化、この治具へのサイドボ
ディの装着、及び溶接結合ステーションヘのサイドボデ
ィの位置決め供給を行なうことにより、二分割されたサ
イドボディ位置決め治具の使用を可能にする。According to the invention of claim 2 of the present invention,
By the positioning and conveying device which is arranged on both sides of the welding joint station and stands upright and moves back and forth, the divided side body positioning jig is integrated, the side body is attached to this jig, and the side body to the welding joint station. By performing the positioning supply of, it is possible to use the side body positioning jig divided into two parts.
【００３８】本発明の請求項３にかかる発明によれば、
二分割されたサイドボディ位置決め治具の位置決め搬送
装置への供給を、左右一対ずつの循環コンベアによって
行ない、使用済みの治具の排出と、次に使用する冶具の
供給を同時に行うことにより、交換時間の短縮が図れ
る。According to the invention of claim 3 of the present invention,
The side body positioning jig divided into two parts is supplied to the positioning and conveying device by a pair of left and right circulating conveyors, and the used jig is discharged and the jig to be used next is replaced at the same time. The time can be shortened.
【００３９】本発明の請求項４にかかる発明は、サイド
ボディ位置決め治具が二分割により軽量化されているこ
とを利用し、二分割されたサイドボディ位置決め治具の
循環コンベアへの供給と排出を、周囲に治具置き台を配
置したコンベアの上を走行する搬送ロボットによる移載
動作によって行なうので、サイドボディ位置決め治具の
管理が容易に行なえる。The invention according to claim 4 of the present invention utilizes the fact that the side body positioning jig is lightened by being divided into two parts, and the side body positioning jig divided into two parts is supplied to and discharged from the circulation conveyor. Is carried out by the transfer operation by the transfer robot running on the conveyor around which the jig stand is arranged, so that the side body positioning jig can be easily managed.
【図１】本発明の車体組立装置を示す平面図。FIG. 1 is a plan view showing a vehicle body assembly apparatus of the present invention.
【図２】二分割されたサイドボディ位置決め治具と、そ
のサイドボディに対するクランプ位置を示した平面図で
ある。FIG. 2 is a plan view showing a side body positioning jig divided into two parts and a clamp position with respect to the side body.
【図３】溶接結合ステーションに配置された位置決め搬
送装置を示す側面図である。FIG. 3 is a side view showing a positioning and conveying device arranged at a welding and joining station.
【図４】多面形回転体を用いたサイドボディ位置決め治
具の切替え装置を示す側面図である。FIG. 4 is a side view showing a side-body positioning jig switching device using a polygonal rotating body.
【図５】治具台車の循環搬送ラインを用いたサイドボデ
ィ位置決め治具の切替え装置を示す平面図である。FIG. 5 is a plan view showing a switching device for a side body positioning jig that uses a circulating transfer line of a jig cart.
２ 溶接結合ステーション ７ 車体組立装置 ８ 組立ライン ９ アンダーボディ １０ サイドボディ位置決め治具 １０ａ 前側冶具 １０ａ 後側冶具 １１ サイドボディ １２ 溶接ロボット １３ａ，１３ｂ 冶具パレット １４ クランパ １５ 治具保管部 １６ａ、１６ｂ 循環コンベア １６ｃ 搬入搬出位置 １７ 位置決め搬送装置 １９ 搬送ロボット ２０ 治具受け台 ２１ 定盤 ２２ 前後動機構 ２３ 回転支持機構 2 Welding joining station 7 Body assembly equipment 8 assembly line 9 Underbody 10 Side body positioning jig 10a front jig 10a Rear jig 11 side body 12 Welding robot 13a, 13b Jig pallet 14 Clamper 15 Jig storage 16a, 16b Circulation conveyor 16c Loading / unloading position 17 Positioning and transporting device 19 Transport robot 20 jig support 21 surface plate 22 Forward / backward movement mechanism 23 Rotation support mechanism
Claims (4)
め治具の両側に、車種別に用意され前後に二分割された
サイドボディ位置決め治具を、前後別々に供給して一体
化し、この一体化した溶接位置決め治具にサイドボディ
を装着し、このサイドボディを、組立ライン上の溶接位
置決め治具に位置決めされたボディ部材に位置決めして
溶接することを特徴とする車体の組立方法。1. Side body positioning jigs, which are prepared for each vehicle type and are divided into front and rear parts, are separately supplied to the both sides of the welding positioning jigs for the body members on the assembly line, and these are integrated. A method of assembling a vehicle body, wherein a side body is attached to a welding positioning jig, and the side body is positioned and welded to a body member positioned by the welding positioning jig on an assembly line.
め治具の両側に配置した定盤に、前後に二分割されたサ
イドボディ位置決め治具を別々に供給し、この定盤に固
定されて一体化したサイドボディ位置決め治具にサイド
ボディを水平姿勢で装着し、この定盤の起立動作及び組
立てライン側への前進動作によって、サイドボディを、
組立ライン上の溶接位置決め治具に位置決めされたボデ
ィ部材に位置決めして溶接することを特徴とする請求項
１に記載した車体の組立方法。2. A side plate positioning jig divided into front and rear parts is separately supplied to a platen arranged on both sides of a welding positioning jig for a body member on an assembly line, and the side plate positioning jig is fixed to the platen and integrated. Install the side body in a horizontal position on the optimized side body positioning jig, and move the side body by the standing motion of this surface plate and the forward motion to the assembly line side.
2. The method for assembling a vehicle body according to claim 1, wherein the body member is positioned and welded to a welding positioning jig on the assembly line.
め治具の供給を水平姿勢で受け、これを固定して一体化
する定盤と、この定盤を起立させる回転支持機構と、こ
の定盤を組立てライン側に前進させる前後動機構を備
え、組立ライン上のボディ部材の溶接位置決め治具の左
右両側に配置される位置決め搬送装置と、 これら左右両側の位置決め搬送装置に、前後に二分割さ
れたサイドボディ位置決め治具を別々に供給する左右一
対ずつの循環コンベアとを具備したことを特徴とする車
体の組立装置。3. A surface plate that receives a supply of a side body positioning jig that is divided into two parts in the front and rear in a horizontal posture and fixes and integrates the same, a rotation support mechanism that erects the surface plate, and this surface plate. Is equipped with a forward / backward moving mechanism for advancing to the assembly line side, and it is divided into two parts, a positioning transfer device placed on the left and right sides of the welding positioning jig of the body member on the assembly line, and a positioning transfer device on these left and right sides. A vehicle body assembling apparatus comprising a pair of left and right circulating conveyors for separately supplying side body positioning jigs.
機と、このコンベアの周囲に配置された治具置き台を備
え、移載機によって、循環コンベアと治具置き台の間
で、二分割されたサイドボディ位置決め治具の移載を行
なうようにしたことを特徴とする請求項３に記載した車
体の組立装置。4. A transfer machine movably arranged on the conveyor, and a jig stand arranged around the conveyor. The transfer machine is provided between the circulation conveyor and the jig stand. The vehicle body assembly apparatus according to claim 3, wherein the side body positioning jig divided into two parts is transferred.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001347740A JP4076756B2 (en) | 2001-11-13 | 2001-11-13 | Body assembly method and apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001347740A JP4076756B2 (en) | 2001-11-13 | 2001-11-13 | Body assembly method and apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003146265A true JP2003146265A (en) | 2003-05-21 |
| JP4076756B2 JP4076756B2 (en) | 2008-04-16 |
Family
ID=19160698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001347740A Expired - Lifetime JP4076756B2 (en) | 2001-11-13 | 2001-11-13 | Body assembly method and apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4076756B2 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1918182A1 (en) * | 2006-11-03 | 2008-05-07 | COMAU SpA | System for assembling motor-vehicle body structures or sub-assemblies thereof |
| KR100879070B1 (en) | 2007-10-19 | 2009-01-15 | 현대자동차주식회사 | A moving cart system |
| JP5815094B1 (en) * | 2014-09-04 | 2015-11-17 | 富士重工業株式会社 | Body manufacturing equipment |
| JP5886916B1 (en) * | 2014-09-04 | 2016-03-16 | 富士重工業株式会社 | Body manufacturing equipment |
| CN107199468A (en) * | 2017-07-06 | 2017-09-26 | 安徽江淮汽车集团股份有限公司 | Equipment replacement system |
| CN109014914A (en) * | 2018-10-16 | 2018-12-18 | 东莞市新亮点自动化设备科技有限公司 | A kind of blender automatic assembling |
| CN109093382A (en) * | 2018-09-30 | 2018-12-28 | 上海君屹工业自动化股份有限公司 | More specification fixtures automatically switch production line |
| CN114560031A (en) * | 2022-03-24 | 2022-05-31 | 阿维塔科技(重庆)有限公司 | Fender assembly assembling system and assembling method thereof |
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2001
- 2001-11-13 JP JP2001347740A patent/JP4076756B2/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1918182A1 (en) * | 2006-11-03 | 2008-05-07 | COMAU SpA | System for assembling motor-vehicle body structures or sub-assemblies thereof |
| US7770780B2 (en) | 2006-11-03 | 2010-08-10 | Comau S.P.A. | System and method for assembling motor-vehicle body structures or sub assemblies thereof |
| KR100879070B1 (en) | 2007-10-19 | 2009-01-15 | 현대자동차주식회사 | A moving cart system |
| JP5815094B1 (en) * | 2014-09-04 | 2015-11-17 | 富士重工業株式会社 | Body manufacturing equipment |
| JP5886916B1 (en) * | 2014-09-04 | 2016-03-16 | 富士重工業株式会社 | Body manufacturing equipment |
| US9505090B2 (en) | 2014-09-04 | 2016-11-29 | Fuji Jukogyo Kabushiki Kaisha | Vehicle body manufacturing apparatus |
| US10046442B2 (en) | 2014-09-04 | 2018-08-14 | Subaru Corporation | Vehicle body manufacturing apparatus |
| CN107199468A (en) * | 2017-07-06 | 2017-09-26 | 安徽江淮汽车集团股份有限公司 | Equipment replacement system |
| CN107199468B (en) * | 2017-07-06 | 2019-02-22 | 安徽江淮汽车集团股份有限公司 | Equipment replacement system |
| CN109093382A (en) * | 2018-09-30 | 2018-12-28 | 上海君屹工业自动化股份有限公司 | More specification fixtures automatically switch production line |
| CN109014914A (en) * | 2018-10-16 | 2018-12-18 | 东莞市新亮点自动化设备科技有限公司 | A kind of blender automatic assembling |
| CN114560031A (en) * | 2022-03-24 | 2022-05-31 | 阿维塔科技(重庆)有限公司 | Fender assembly assembling system and assembling method thereof |
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