JPH0452083A - Exchanging device for electrode chips - Google Patents
Exchanging device for electrode chipsInfo
- Publication number
- JPH0452083A JPH0452083A JP16112090A JP16112090A JPH0452083A JP H0452083 A JPH0452083 A JP H0452083A JP 16112090 A JP16112090 A JP 16112090A JP 16112090 A JP16112090 A JP 16112090A JP H0452083 A JPH0452083 A JP H0452083A
- Authority
- JP
- Japan
- Prior art keywords
- electrode tip
- electrode
- electrode chips
- chips
- tips
- 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.)
- Pending
Links
- 238000003466 welding Methods 0.000 claims abstract description 14
- 238000003825 pressing Methods 0.000 claims description 9
- 238000000605 extraction Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 2
- 239000013589 supplement Substances 0.000 abstract description 2
- 239000013013 elastic material Substances 0.000 description 4
- 239000000284 extract Substances 0.000 description 1
Landscapes
- Arc Welding In General (AREA)
Abstract
Description
【発明の詳細な説明】
(産業上の利用分野)
本発明は抵抗溶接用電極チップの取り替え装置、特に溶
接ロボットの電極チップを自動的に取り替える場合に適
する電極チップの取り替え装置に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to an electrode tip replacement device for resistance welding, and particularly to an electrode tip replacement device suitable for automatically replacing electrode tips of a welding robot.
(従来の技術)
抵抗溶接用電極チップは、テーパーによってシャンクに
差し込んで取り付けてあり、消耗するので適時取り替え
が必要である。(Prior Art) Electrode tips for resistance welding are attached by being inserted into the shank with a taper, and as they wear out, they need to be replaced from time to time.
従来チップを取り替える場合には、作業者が工具を用い
て抜き取り新しいチップと取り替えていた。Conventionally, when replacing a tip, an operator would use a tool to pull it out and replace it with a new tip.
(発明が解決しようとする問題点)
しかしながら、テーパーが溶接時の加圧で堅く差し込ま
れた電極チップは容易に抜けない。(Problems to be Solved by the Invention) However, an electrode tip whose taper is firmly inserted due to pressure during welding cannot be easily removed.
このような電極チップを上下2本、短時間で素早く取り
替えるには熟練が必要で、シャンク側の損傷も多く、又
、多数の溶接ロボットを使用する場合には、作業者がロ
ボットの作動範囲に入る危険と作業時間が問題であった
。It takes skill to quickly replace two such electrode tips, one on the top and one on top, in a short period of time, and the shank side is often damaged.Also, when using multiple welding robots, it is difficult for workers to reach the operating range of the robots. The danger of entering the facility and the time required to do so were issues.
(問題点を解決するための手段)
本発明は、電極チップの抜き取りを、電極チップ保持部
材を軸芯方向に押圧して成し、t[iチップ装着を、溶
接装置の加圧機構を活用して成し、電極チップの供給を
円盤の外周部上下面に適間隔に先端を対峙させて並べ、
間欠的に回転させて成し、電極チップの補給を前期円盤
を取り替えて成すように構成されている。(Means for Solving the Problems) The present invention removes the electrode tip by pressing the electrode tip holding member in the axial direction, and utilizes the pressure mechanism of the welding device to attach the tip. The electrode tips are supplied by arranging them at appropriate intervals on the upper and lower surfaces of the outer periphery of the disk, with their tips facing each other.
It is configured so that it is rotated intermittently, and the electrode tips are replenished by replacing the previous disk.
又、電極チップの抜き取りと装着を同位置で行えるよう
に、交互に入れ換えるように構成されている。Further, the electrode chips are configured to be replaced alternately so that the electrode chips can be removed and installed at the same position.
(作用)
上記構成になる本発明電極チップ取り替え装置において
は、電極チップの抜き取り手段として、シリンダによる
クランプ機構を介して電極チップ保持部材を軸芯方向に
押圧する過程で、ねじりや軸方向力を付して抜き取る。(Function) In the electrode tip replacement device of the present invention configured as described above, as an electrode tip extraction means, in the process of pressing the electrode tip holding member in the axial direction via the clamp mechanism using the cylinder, twisting and axial force are applied. Attach and remove.
電極チップ取り付は手段として、溶接装置の加圧機構を
活用してシャンクのテーパーに圧入保持させる。The electrode tip is attached by press-fitting and holding it into the taper of the shank using the pressure mechanism of the welding device.
電極チップの供給手段として、円盤の外周部上下面にチ
ップ先端を対峙させた状態で適間隔に並べ、間欠的に回
転させる。As a means for supplying electrode tips, the tips are arranged at appropriate intervals on the upper and lower surfaces of the outer periphery of a disk, with the tip ends facing each other, and are rotated intermittently.
電極チップの補充手段として、前記円盤自体を取り替え
る。As a means of replenishing electrode tips, the disk itself is replaced.
(実雄例〉
以下図面にしたがって本発明の特徴を具体的に説明する
。(Example) The features of the present invention will be specifically explained below with reference to the drawings.
電極チップの抜き取り。Removing the electrode tip.
シャンク1にテーパーで差し込まれている電極チップ2
の周囲に、シャンク保持部材4.4aと先端にくさび面
5bを持つ電極チップ保持部材5,5aが対峙した状態
で配しである。Electrode tip 2 inserted into shank 1 with a taper
A shank holding member 4.4a and electrode tip holding members 5, 5a each having a wedge surface 5b at the tip thereof are arranged in a facing state around the shank holding member 4.4a.
この対峙するシャンク保持部材4,4aとチップ保持部
材5,5aとの間に、くさび状コア6が挾まれ、2本の
軸13.13aによってシャンク保持部材4,4aと、
弾性材14.14aを介して保持されている。A wedge-shaped core 6 is sandwiched between the shank holding members 4, 4a and the tip holding members 5, 5a facing each other, and the shank holding members 4, 4a are held together by two shafts 13.13a.
It is held via elastic material 14.14a.
くさび状コアー6.6aの先端側がら、保持部材4.4
a、5.5aの後方側から、それぞれU字形にえぐられ
形成された中空部には円柱状弾性材8.8aが配しであ
る。From the distal end side of the wedge-shaped core 6.6a, the holding member 4.4
A cylindrical elastic member 8.8a is disposed in a U-shaped hollow portion formed from the rear side of each of a and 5.5a.
又、くさび状コアー6.6aの幅広く切り欠かれた画先
端部にはくさび面6bが形成してあり、しかもその長さ
や角度は左右違えである。(又は片方のみ)
軸13.13a部には長大が配しであるので、くさび状
コアー6.6aは軸芯方向に移動できるようになってい
る。In addition, a wedge surface 6b is formed at the wide notched end of the wedge-shaped core 6.6a, and the length and angle of the wedge surface 6b are different from each other on the left and right sides. (Or only one side) Since the shaft 13.13a is long and large, the wedge-shaped core 6.6a can move in the axial direction.
電極チップの抜き取りは、加圧機構矢示9゜9aによっ
て、上記構成のコアー6.6aを軸芯方向に押圧するこ
とによってなされる。The electrode tip is removed by pressing the core 6.6a configured as described above in the axial direction using the pressure mechanism arrow 9.9a.
押圧されてシャンク1及び電極チップ2に押し付けられ
たシャンク保持部材4.4a及びチップ保持部材5,5
aは、円柱状弾性材8.8aを圧し潰してシャンク1と
電極チップ2を把握する。Shank holding member 4.4a and tip holding members 5, 5 pressed against shank 1 and electrode tip 2
a grasps the shank 1 and the electrode tip 2 by crushing the cylindrical elastic member 8.8a.
さらに押圧されると、把握力を増大させながら、先端の
くさび面6bがチップ保持部材5.5aのくさび面5b
に接し押圧する。When pressed further, the wedge surface 6b at the tip increases the gripping force, and the wedge surface 6b of the tip holding member 5.5a
Touch and press.
この押圧時に、コアー6.6aの径方向に広く離れて形
成された左右端のくさび面は、長さや角度を違えて配し
であるために、左右の圧力が偏し、保持部材5,5a及
び電極チップ2に、押し下げとねじりが同時に付加され
、電極チップは抜き取られる。(左右端のくさび面の間
隔は大きいほどねじり力は大きい)
振動を重畳して抜き取りを補足してもよい。During this pressing, since the wedge surfaces at the left and right ends of the core 6.6a, which are formed widely apart in the radial direction, are arranged with different lengths and angles, the pressure on the left and right sides is biased, and the holding members 5, 5a Then, pressing down and twisting are simultaneously applied to the electrode tip 2, and the electrode tip is pulled out. (The larger the distance between the wedge surfaces at the left and right ends, the greater the torsion force.) It is also possible to supplement extraction by superimposing vibrations.
シャンク1の径が大きい場合は、コアー6の上面を直接
シャンク面に接するようにすれば、シャンク保持部材4
.4aは無くてもよい。If the diameter of the shank 1 is large, if the upper surface of the core 6 is brought into direct contact with the shank surface, the shank holding member 4
.. 4a may be omitted.
電極チップの装着。Attaching the electrode tip.
電極チップの装着は溶接装置の加圧機構を活用してシャ
ンクのテーパーにチップを圧入して成る。そのなめ一定
位置に電極チップを供給すればよい。The electrode tip is attached by press-fitting the tip into the taper of the shank using the pressure mechanism of the welding device. It is sufficient to supply the electrode tip to the fixed position.
即ち円盤22の外周部上下面に弾性材2323aによっ
て把握保持された電極チップ2,2aを一定間隔に並べ
て配し、間欠軸21によって間欠的に回転して一定位置
に停止するごとくしである。That is, the electrode tips 2, 2a are arranged at regular intervals on the upper and lower surfaces of the outer circumferential portion of the disk 22, gripped and held by elastic members 2323a, and are intermittently rotated by the intermittent shaft 21 and stopped at fixed positions.
次に、電極チップの取り替えを0点の位置で行う場合に
ついて説明する。Next, a case will be described in which the electrode tip is replaced at the zero point position.
フレーム16とアーム20には電極チップ抜き取り手段
のコアー6が固定してあり、アーム20がシリンダ19
によって加圧軸18を中心に回転し、フレーム16側と
の間で加圧され、前記抜き取り装置により電極チップは
抜き取られる。A core 6 of an electrode chip extraction means is fixed to the frame 16 and the arm 20, and the arm 20 is connected to the cylinder 19.
The electrode tip rotates around the pressurizing shaft 18 and is pressurized with the frame 16 side, and the electrode tip is extracted by the extraction device.
抜き取り装置は上下に2組設置し、上下のチップを同時
に抜き取る。Two extracting devices are installed, one above the other, to extract the upper and lower chips at the same time.
アーム20が開いた後、主軸17によりフレム16を弧
25のように回転させれば、電極チップが上下に並べら
れた円盤22は線Bの位置からliAの位置に移動し、
電極チップは供給され溶接装置の加圧機構を働かで電極
チップを装着する。After the arm 20 is opened, if the frame 16 is rotated in an arc 25 by the main shaft 17, the disk 22 on which the electrode tips are arranged vertically moves from the position of line B to the position of liA,
The electrode tip is supplied, and the pressure mechanism of the welding device is activated to attach the electrode tip.
装着後フレーム16を逆に回転させ、線Bの位置に戻す
と共に円盤22を間欠回転させて次ぎの電極チップ装着
に備える。After attachment, the frame 16 is rotated in the opposite direction and returned to the position of line B, and the disk 22 is intermittently rotated to prepare for the next electrode tip attachment.
電極チップの並べられた円盤22は複数準備し、円盤ご
と取り替えて電極チップを補充する。A plurality of disks 22 on which electrode chips are arranged are prepared, and the electrode chips are replenished by replacing each disk.
フレーム16を固定して、ロボットで溶接装置を線Bの
位置に移動させて電極チップを装着してもよい。The frame 16 may be fixed, and the welding device may be moved to the position of line B using a robot to attach the electrode tip.
(発明の効果)
本発明の電極チップ取り替え装置は上述したように、電
極チップ抜き取りを軸方向への押圧により把握と抜き取
りとを成し、円盤に一定間隔に並べられた電極チップを
、溶接装置の加圧機構を活用して装着し、電極チップの
並ぶ円盤自体を取り替えて電極チップを補充する等、全
体が小型に簡略で、自動的に短時間に電極チップを取り
替えることができる。(Effects of the Invention) As described above, the electrode tip replacement device of the present invention grasps and extracts electrode tips by pressing in the axial direction, and the electrode tips arranged at regular intervals on a disk are transferred to a welding device. The entire device is compact and simple, and the electrode tips can be replaced automatically in a short time by attaching the device using the pressurizing mechanism and replacing the disk itself where the electrode tips are lined up to replenish the electrode tips.
第1図は、電極チップ抜き取り装置の一実施例を示す平
面図。
第2図は、第1図のA−A断面を含む側面図。
第3図は、本発明取り替え装置の一実施例を示す平面図
、
第4図は、円盤22の局部断面図。
1、シャンク、2.電極チップ、4.4a シャンク保
持部材、5,5aチップ保持部材、5b、チップ保持部
材に付されなくさび面、6、くさび状コアー、6b<さ
び状コアーに付されたくさび面、8.8a、円柱状弾性
材、99a、押圧力を示す矢示、13.13a。
軸、14.14a弾性材、16.フレーム、17、主軸
、18.軸、19.加圧シリンダ、20、アーム、21
1間欠軸、22゜円盤、23.23a、弾性材、251
回転の弧、A、B回転位置を示す線、
C1取り替え位置、FIG. 1 is a plan view showing an embodiment of an electrode chip extraction device. FIG. 2 is a side view including the AA cross section in FIG. 1. FIG. 3 is a plan view showing an embodiment of the replacement device of the present invention, and FIG. 4 is a partial sectional view of the disk 22. 1, shank, 2. Electrode tip, 4.4a Shank holding member, 5, 5a Chip holding member, 5b, Wedge surface attached to tip holding member, 6, Wedge-shaped core, 6b< Wedge surface attached to wedge-shaped core, 8.8a , cylindrical elastic material, 99a, arrow indicating pressing force, 13.13a. Shaft, 14.14a elastic material, 16. Frame, 17, main axis, 18. axis, 19. Pressure cylinder, 20, arm, 21
1 intermittent shaft, 22° disc, 23.23a, elastic material, 251
Arc of rotation, A, B line indicating rotation position, C1 replacement position,
Claims (1)
部上下面に一定間隔で電極チップ先端を対峙させて並べ
た円盤を、間欠的に回転し供給する手段と、溶接装置の
加圧機構を活用して電極チップを装着する手段とよりな
る、電極チップの取り替え装置。 2)電極チップの抜き取り手段と、電極チップの供給手
段とを交互に入れ換え、同一位置で取り替えることを特
徴とする第1項記載の電極チップ取り替え装置。 3)一定間隔で電極先端を対峙させて並べた円盤を取り
替えて、電極チップを補充することを特徴とする、第1
項第2項記載の電極チップ取り替え装置。 4)電極チップ保持部材を軸芯方向に押圧して電極チッ
プを把握する手段と、径方向左右を違えたくさびで電極
チップ保持部材を押圧し、ねじりと軸方向力とを同時に
付し、抜き取ることを特徴とする電極チップ取り替え装
置。[Claims] 1) A means for extracting the electrode tip by applying pressure in the axial direction, and a means for supplying the electrode tip by intermittently rotating disks arranged on the upper and lower surfaces of the outer periphery with the tips of the electrode tips facing each other at regular intervals. An electrode tip replacement device comprising means for attaching an electrode tip by utilizing a pressure mechanism of a welding device. 2) The electrode tip replacement device according to item 1, wherein the electrode tip extraction means and the electrode tip supply means are alternately replaced and replaced at the same position. 3) The first method is characterized in that electrode tips are replenished by replacing disks arranged with electrode tips facing each other at regular intervals.
The electrode tip replacement device according to item 2. 4) A means for grasping the electrode tip by pressing the electrode tip holding member in the axial direction, and a wedge on different left and right sides in the radial direction press the electrode tip holding member, apply twisting and axial force at the same time, and pull it out. An electrode tip replacement device characterized by:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16112090A JPH0452083A (en) | 1990-06-19 | 1990-06-19 | Exchanging device for electrode chips |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16112090A JPH0452083A (en) | 1990-06-19 | 1990-06-19 | Exchanging device for electrode chips |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0452083A true JPH0452083A (en) | 1992-02-20 |
Family
ID=15728983
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16112090A Pending JPH0452083A (en) | 1990-06-19 | 1990-06-19 | Exchanging device for electrode chips |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0452083A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5387774A (en) * | 1991-12-20 | 1995-02-07 | A R O | Spot resistance-welding electrode; contact tip for such an electrode; machine for exchanging these tips |
JP2006026649A (en) * | 2004-07-13 | 2006-02-02 | Shinko Kiki Kk | Magazine rack for tip changer |
KR100608418B1 (en) * | 2003-07-23 | 2006-08-02 | 오바라 가부시키가이샤 | Fixed type electrode tip removal device |
JP2019115926A (en) * | 2017-12-27 | 2019-07-18 | 新光機器株式会社 | Replacing device of electrode tip |
KR20190111741A (en) * | 2018-03-22 | 2019-10-02 | 오바라 가부시키가이샤 | Removing device of electrode tip for welding |
-
1990
- 1990-06-19 JP JP16112090A patent/JPH0452083A/en active Pending
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5387774A (en) * | 1991-12-20 | 1995-02-07 | A R O | Spot resistance-welding electrode; contact tip for such an electrode; machine for exchanging these tips |
KR100608418B1 (en) * | 2003-07-23 | 2006-08-02 | 오바라 가부시키가이샤 | Fixed type electrode tip removal device |
JP2006026649A (en) * | 2004-07-13 | 2006-02-02 | Shinko Kiki Kk | Magazine rack for tip changer |
JP4484607B2 (en) * | 2004-07-13 | 2010-06-16 | 新光機器株式会社 | Magazine rack for chip changer |
JP2019115926A (en) * | 2017-12-27 | 2019-07-18 | 新光機器株式会社 | Replacing device of electrode tip |
KR20190111741A (en) * | 2018-03-22 | 2019-10-02 | 오바라 가부시키가이샤 | Removing device of electrode tip for welding |
JP2019166535A (en) * | 2018-03-22 | 2019-10-03 | Obara株式会社 | Device for removing welding electrode chip |
US11203081B2 (en) | 2018-03-22 | 2021-12-21 | Obara Corporation | Removal device of welding electrode tip |
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