JPH04154908A - Coil automatic exchanging device for high-frequency quenching apparatus - Google Patents
Coil automatic exchanging device for high-frequency quenching apparatusInfo
- Publication number
- JPH04154908A JPH04154908A JP2273264A JP27326490A JPH04154908A JP H04154908 A JPH04154908 A JP H04154908A JP 2273264 A JP2273264 A JP 2273264A JP 27326490 A JP27326490 A JP 27326490A JP H04154908 A JPH04154908 A JP H04154908A
- Authority
- JP
- Japan
- Prior art keywords
- coil
- base
- coils
- power receiving
- workpiece
- 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
- 238000010791 quenching Methods 0.000 title claims abstract description 33
- 230000000171 quenching effect Effects 0.000 title claims abstract description 32
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 230000006698 induction Effects 0.000 claims description 39
- 238000001816 cooling Methods 0.000 claims description 7
- 239000012809 cooling fluid Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 abstract description 41
- 238000000034 method Methods 0.000 abstract description 4
- 238000009692 water atomization Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 239000007921 spray Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 3
- 239000012777 electrically insulating material Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Heat Treatment Of Articles (AREA)
Abstract
Description
【発明の詳細な説明】
(産業上の利用分野)
この発明は、凹形状のコイルを用いて軸部を有するワー
クのその軸部の周囲部分に均一に高周波焼入れを施す高
周波焼入れ装置の、前記コイルをワークの種類に応じて
自動交換する装置に関するものである。Detailed Description of the Invention (Field of Industrial Application) The present invention relates to an induction hardening apparatus that uses a concave coil to uniformly induction harden the peripheral portion of the shaft of a workpiece having a shaft. The present invention relates to a device that automatically exchanges coils depending on the type of workpiece.
(従来の技術)
軸部を有するワークのその軸部の周囲部分に均一に高周
波焼入れを施す従来の高周波焼入れ装置としては例えば
、第6図に示すものがある。(Prior Art) An example of a conventional induction hardening apparatus for uniformly induction hardening the peripheral portion of the shaft of a workpiece having a shaft is shown in FIG. 6.
図中1は軸部を有するワークとしての、ドライブシャフ
トを一体的に存する等速ジヨイントのアウタレースを示
し、このアウタレース1は、図示しない搬送装置により
、その軸線を垂直として図中矢印Aで示すように水平方
向へ所定経路に沿ってタクト搬送される。Reference numeral 1 in the figure shows an outer race of a constant-velocity joint that integrally includes a drive shaft as a workpiece having an axial portion. The tact conveyance is carried out horizontally along a predetermined route.
そしてここにおける高周波焼入れ装置は、アウタレース
1をセンタ軸2により上下方向から挟持して図示の焼入
れ位置に位置決めするとともにそこで図中矢印Bで示す
ように回転させる1、図示しないワーク位置決め回転機
構を設け、またガイドロッド3による案内と図示しない
油圧シリンダによる付勢とによって、基台4を前記焼入
れ位置に対し前記搬送経路と直交する図中矢印Cで示す
水平方向へ進退移動可能ならしめ、その基台4上に変成
器5を固設して、その変成器5の出力端子たる給電電極
6に、凹形状のコイル7に固設されてそこから後方へ延
出する受電部材8を、ボルト9を介して固定し、さらに
上記焼入れ位置の両側の、コイル7と干渉しない位置に
、焼入れ水噴霧ノズル10を設けてなる。The induction hardening apparatus here is equipped with a workpiece positioning rotation mechanism (not shown) which holds the outer race 1 from above and below between the center shaft 2 and positions it at the hardening position shown in the figure, and rotates it there as shown by arrow B in the figure. Also, by guidance by the guide rod 3 and urging by a hydraulic cylinder (not shown), the base 4 can be moved forward and backward from the quenching position in the horizontal direction indicated by the arrow C in the figure, which is orthogonal to the conveyance path. A transformer 5 is fixedly installed on the base 4, and a power receiving member 8, which is fixedly installed on a concave coil 7 and extends rearward from the concave coil 7, is connected to a power supply electrode 6, which is an output terminal of the transformer 5, with bolts 9. Further, quenching water spray nozzles 10 are provided on both sides of the quenching position at positions that do not interfere with the coil 7.
かかる高周波焼入れ装置にあっては、基台4が後退した
状態で、アウタレース1が搬送装置により図示の焼入れ
位置の下方にタクト搬送されてくると、先ずワーク位置
決め回転機構が、センタ軸2によりそのアウタレース1
を挟持し、上記焼入れ位置まで上昇させて、そこに位置
決めするとともに回転させ、次いで基台4が前進移動し
て、凹形状のコイル7をそのアウタレース1の軸部に嵌
まり合って寄り添う所定加熱位置に位置させ、さらに変
成器5がそのコイル7に給電電極6および受電部材8を
介し高周波電流を通電することにより、電磁誘導でアウ
タレース1の軸部の周囲部分を均一に発熱させる。In such an induction hardening apparatus, when the outer race 1 is tact-transferred by the conveying device below the hardening position shown in the figure with the base 4 retracted, the workpiece positioning rotation mechanism is first rotated by the center shaft 2. Outer lace 1
is held and raised to the above-mentioned quenching position, positioned there and rotated, and then the base 4 moves forward and the concave coil 7 is fitted into the shaft of the outer race 1 and heated to a predetermined degree. Further, the transformer 5 applies a high frequency current to the coil 7 through the power supply electrode 6 and the power receiving member 8, thereby uniformly generating heat around the shaft portion of the outer race 1 by electromagnetic induction.
そして上記軸部の周囲部分が所定の温度に達すると、先
ず変成器5がコイル7への通電を停止し、次いで基台4
が後退移動してコイル7をそのアウタレース1から離間
する所定待機位置に位置させ、さらに焼入れ水噴霧ノズ
ル10がその回転しているアウタレース1の軸部の周囲
部分に焼入れ水を噴霧してその軸部を急速冷却させ、こ
れによってアウタレースlの軸部の周囲部分に均一に高
周波焼入れが施され、その後ワーク位置決め回転機構が
そのアウタレース1を上記搬送経路まで下降させて搬送
装置に引き渡す。When the surrounding area of the shaft reaches a predetermined temperature, the transformer 5 first stops energizing the coil 7, and then the base 4
moves backward to position the coil 7 at a predetermined standby position where it is separated from the outer race 1, and the quenching water spray nozzle 10 sprays quenching water around the rotating shaft of the outer race 1, thereby spraying the quenching water around the rotating shaft of the outer race 1. As a result, the peripheral portion of the shaft portion of the outer race 1 is uniformly induction hardened, and then the workpiece positioning rotation mechanism lowers the outer race 1 to the above-mentioned transport path and delivers it to the transport device.
(発明が解決しようとする課題)
ところで、アウタレース1の軸部を効率良く発熱させる
ためには、アウタレース1の軸部とそれに寄り添うコイ
ル7との隙間を一定にする必要があるので、アウタレー
ス1の種類を変更する際には、上記コイル7をそのアウ
タレース1の種類に応じて交換する必要がある。(Problem to be Solved by the Invention) By the way, in order to efficiently generate heat in the shaft portion of the outer race 1, it is necessary to maintain a constant gap between the shaft portion of the outer race 1 and the coil 7 nestled therein. When changing the type, it is necessary to replace the coil 7 according to the type of the outer race 1.
しかしながら上記従来の高周波焼入れ装置では、そのコ
イル7の交換を行うコイル段取り作業に際し、先ず上記
搬送装置および高周波焼入れ装置を停止させ、次いでボ
ルト9を取り除いてコイル7を手作業で取り外し、そし
て次に使用するコイル7を手作業で取り付けてボルト9
を仮締めし、その後、一定時間で所定温度までアウタレ
ース1の軸部が昇温するようコイル7の取り付は位置を
微調整する焼入れ条件出しを行い、さらに、そのコイル
7で高周波焼入れしたアウタレース1の軸部の焼入れ品
質を確認してからボルト9を本締めするという手順を行
う必要がある。However, in the above-mentioned conventional induction hardening device, when performing coil setup work to replace the coil 7, first the conveying device and the induction hardening device are stopped, then the bolts 9 are removed and the coil 7 is manually removed, and then the coil 7 is manually removed. Manually install the coil 7 to be used and tighten the bolt 9.
After that, the quenching conditions are set by finely adjusting the installation position of the coil 7 so that the shaft part of the outer race 1 rises to a predetermined temperature in a certain period of time. It is necessary to perform the procedure of confirming the hardening quality of the shaft portion 1 and then fully tightening the bolt 9.
これがため上記従来の高周波焼入れ装置にあっては、コ
イル段取り作業に60〜120分を費やしてしまうとい
う問題があり、このことは、−シフト内で数種類のアウ
タレースlの生産を行う必要がある場合に、焼入れ装置
の稼働率を大幅に引き下6一
げ、ひいては焼入れ装置の能力を大幅に引き下げてるこ
とから特に重大であった。For this reason, in the conventional induction hardening equipment mentioned above, there is a problem in that it takes 60 to 120 minutes to set up the coil. This was particularly important because it significantly reduced the operating rate of the quenching equipment, which in turn significantly reduced the capacity of the quenching equipment.
また上記従来の高周波焼入れ装置にあっては、コイル段
取り作業に熟練を要するため、不慣れな作業者がそれを
行うと段取り作業に要する時間がさらに延長されるとい
う問題もあった。Further, in the conventional induction hardening apparatus described above, since the coil setup work requires skill, there is a problem that if an inexperienced worker performs the coil setup work, the time required for the setup work is further extended.
しかして本出願人は、複数のコイルを具え、それらを自
動的に交換して所定位置に配置するコイル自動交換装置
を研究したが、かかる装置では、複数のコイルを配置し
移動させる際に、設置スペースの制約下で、ワークや搬
送装置とそれらのコイルとの干渉、さらにはワーク位置
決め回転機構や焼入れ水噴霧ノズルとそれらのコイルと
の干渉を避けるのが困難であるという問題があった。However, the present applicant has researched an automatic coil exchange device that includes a plurality of coils and automatically exchanges them and places them in a predetermined position. Due to the limited installation space, there is a problem in that it is difficult to avoid interference between the workpiece or conveyance device and their coils, as well as interference between the workpiece positioning rotation mechanism or the quenching water spray nozzle and these coils.
また、コイルには大きな電流が通電されるので、上記装
置では給電部材と電極との間が溶着してコイルの交換が
できない場合が生じ、交換を確実に行えないという問題
があった。Further, since a large current is passed through the coil, in the above device, there are cases where the power supply member and the electrode are welded together, making it impossible to replace the coil, and there is a problem in that replacement cannot be performed reliably.
この発明は、かかる課題を有利に解決したコイル自動交
換装置を提供するものである。The present invention provides an automatic coil exchange device that advantageously solves this problem.
(課題を解決するための手段)
この発明の高周波焼入れ装置用コイル自動交換装置は、
軸部を有するワークを保持して所定焼入れ位置に位置決
めするとともにそこで回転させるワーク位置決め回転手
段と、凹形状のコイルを支持する基台を水平に進退移動
させて、前記コイルを、前記焼入れ位置に位置決めした
ワークの軸部に嵌まり合って寄り添う所定加熱位置と、
そのワークから離間する所定待機位置との間で進退移動
させる基台移動手段と、前記加熱位置に前進したコイル
に高周波電流を給電する給電手段と、前記コイルで発熱
させたワークに冷却流体を吹きつける急速冷却手段と、
を具える高周波焼入れ装置において、前記コイルを複数
、前記基台の進退移動方向と直交する水平方向へ並べた
配置で支持するコイル支持台と、前記基台上に設けられ
て、その基台の後退状態で前記コイル支持台を水平移動
させ、それらのコイルのうちの任意の一つを、前記待機
位置に相当する前記基台上の使用位置に配置するコイル
選択手段と、前記コイル支持台と前記複数のコイルとの
間にそれぞれ介装されて、それらのコイルを前記コイル
支持台に対し持ち上げる複数のコイル持ち上げ手段と、
前記複数のコイルにそれぞれ固設されて、それらから後
方へ延出する複数の受電部材と、前記使用位置に配置し
たコイルから延出する受電部材の下方の位置にて前記基
台上に固設されて、前記給電手段に接続された給電電極
と、前記給電電極の上方の位置にて前記基台上に固設さ
れて、前記給電電極に対しクランプ部材を進退移動させ
る受電部材クランプ手段と、を設けたことを特徴とする
ものである。(Means for Solving the Problems) The automatic coil changing device for an induction hardening device of the present invention has the following features:
A workpiece positioning and rotation means that holds a workpiece having a shaft portion, positions it at a predetermined hardening position, and rotates the workpiece there; and a base supporting a concave coil are horizontally moved back and forth to move the coil to the hardening position. a predetermined heating position that fits and snuggles against the shaft of the positioned work;
a base moving means for moving the base back and forth between a predetermined standby position separated from the work; a power feeding means for supplying high frequency current to the coil advanced to the heating position; and a power supply means for blowing cooling fluid to the work generated by the coil. A quick cooling means to attach the
An induction hardening apparatus comprising: a coil support base that supports a plurality of the coils in a horizontally arranged arrangement perpendicular to the forward and backward movement direction of the base; Coil selection means for horizontally moving the coil support in a retracted state and arranging any one of the coils at a use position on the base corresponding to the standby position; a plurality of coil lifting means each interposed between the plurality of coils and lifting the coils relative to the coil support;
A plurality of power receiving members are fixedly attached to the plurality of coils and extend rearward from the coils, and a plurality of power receiving members are fixedly attached to the base at a position below the power receiving members extending from the coils arranged in the use position. a power feeding electrode connected to the power feeding means; a power receiving member clamping means fixed on the base at a position above the power feeding electrode and moving a clamp member forward and backward with respect to the power feeding electrode; It is characterized by having the following.
(作用)
かかるコイル自動交換装置を具える高周波焼入れ装置に
あっては、あらかじめ、基台移動手段が基台を後退位置
に移動させるとともに、コイル選択手段がコイル支持台
を移動させて、基台上にそのコイル支持台を介し支持さ
れた複数のコイルのうち所定のものを待機位置に相当す
る基台上の使用位置に位置させ、さらに受電部材クラン
プ手段がその所定コイルから延出する受電部材を袷電電
極とクランプ部材との間で挟持してワークを待機し、軸
部を有するワークが搬送装置により11送されてくると
、先ずワーク位置決め回転手段が、そのワークを保持し
て所定焼入れ位置に位置決めするとともにそこで回転さ
せ、次いで基台移動手段が基台を水平に前進移動させて
、その基台上の使用位置すなわち待機位置に位置した上
記所定のコイルをそこからそのワークの軸部に嵌まり合
って寄り添う加熱位置まで前進移動させ、そして給電手
段がその所定のコイルに給電電極および受電部材を介し
高周波電流を通電することにより、上記ワークの軸部の
周囲部分を均一に発熱させる。(Function) In an induction hardening apparatus equipped with such an automatic coil exchange device, the base moving means moves the base to the retreat position, and the coil selection means moves the coil support to remove the base from the base. A power receiving member in which a predetermined one of the plurality of coils supported on the base via the coil support stand is positioned at a use position on the base corresponding to a standby position, and further a power receiving member clamping means extends from the predetermined coil. The workpiece is held between the electric electrode and the clamp member, and when the workpiece having the shaft is sent by the conveyance device, the workpiece positioning and rotation means first holds the workpiece and hardens it to a predetermined degree. Then, the base moving means moves the base horizontally forward to move the predetermined coil located at the use position, that is, the standby position on the base, from there to the shaft of the workpiece. The workpiece is moved forward to a heating position where it fits into and nestles with the workpiece, and the power feeding means applies a high frequency current to the predetermined coil through the power feeding electrode and the power receiving member, thereby uniformly generating heat around the shaft portion of the workpiece. .
そして上記軸部の周囲部分が所定の温度に達すると、先
ず給電手段がコイルへの通電を停止し、次いで基台移動
手段が基台を水平に後退移動させて、上記所定のコイル
をそのワークから離間する上記待機位置に後退移動させ
、さらに急速冷却手段がその回転しているワークの軸部
の周囲部分に冷却流体を吹きつけてその軸部を急速冷却
させ、これによってワークの軸部の周囲部分に均一に高
周波焼入れが施され、その後ワーク位置決め回転手段が
そのワークを搬送装置に引き渡す。When the surrounding area of the shaft reaches a predetermined temperature, the power supply means first stops energizing the coil, and then the base moving means moves the base horizontally backwards to transfer the predetermined coil to the workpiece. The rotating workpiece is moved backward to the standby position away from the workpiece, and the rapid cooling means sprays cooling fluid around the rotating shaft of the workpiece to rapidly cool the shaft, thereby cooling the shaft of the workpiece. The surrounding area is uniformly induction hardened, and then the workpiece positioning and rotation means transfers the workpiece to a conveying device.
しかして上記コイル自動交換装置にあっては、ワークの
種類を変更する際に、基台移動手段が基台を後退位置に
移動させた状態で、先ず受電部材クランプ手段がクラン
プ部材を給電電極に対し後退させて、前記所定コイルか
ら延出してそのクランプ部材と給電電極との間に位置す
る受電部材を開放し、次いでコイル持ち上げ手段がその
所定コイルを持ち上げてそのコイルに固設された前記受
電部材を給電電極から引き離し、そしてコイル選択手段
がコイル支持台を移動させて、そのコイル支持台上の複
数のコイルのうち次のワークの種類に対応するものを待
機位置に相当する基台上の使用位置に位置させ、さらに
受電部材クランプ手段がクランプ部材を前進させること
によりそのコイルから延出する受電部材を給電電極とク
ランプ部材との間で挟持してそのコイルへの給電を可能
ならしめる。However, in the above-mentioned automatic coil exchange device, when changing the type of workpiece, the power receiving member clamping means first moves the clamping member to the power supply electrode while the base moving means moves the base to the retracted position. The power receiving member extending from the predetermined coil and located between the clamp member and the power feeding electrode is released, and then the coil lifting means lifts the predetermined coil and the power receiving member fixed to the coil is opened. The member is separated from the power supply electrode, and the coil selection means moves the coil support to place the coil corresponding to the next workpiece type among the plurality of coils on the coil support on the base corresponding to the standby position. The power receiving member clamping means moves the clamping member forward to sandwich the power receiving member extending from the coil between the power supply electrode and the clamping member, thereby enabling power to be supplied to the coil.
従って、この発明のコイル自動交換装置によれば、基台
上に設けられ、複数のコイルを基台の進退移動方向と直
交する水平方向へ並べた配置で支持するコイル支持台を
、基台を後退位置に移動させた状態で水平移動させて、
それらのコイルのうちの任意の一つを使用位置に配置す
るので、狭いスペース内で、それら複数のコイルを、ワ
ークや搬送装置、さらにはワーク位置決め回転手段や急
速冷却手段との干渉を避けて配置し移動させることがで
き、また、受電部材と給電電極との間が溶着していても
、コイル持ち上げ手段がそのコイルを持ち上げてそれに
固設された受電部材を給電電極から引き離すので、コイ
ルの交換を確実に行うことができる。Therefore, according to the automatic coil exchange device of the present invention, the coil support base is provided on the base and supports a plurality of coils in a horizontally arranged arrangement perpendicular to the forward and backward movement direction of the base. While moving it to the retreat position, move it horizontally,
Since any one of these coils is placed in the use position, multiple coils can be placed in a narrow space to avoid interference with the workpiece, conveyance device, workpiece positioning rotation means, and rapid cooling means. In addition, even if the power receiving member and power feeding electrode are welded together, the coil lifting means lifts the coil and separates the power receiving member fixed thereto from the power feeding electrode, so that the coil can be moved easily. Exchange can be carried out reliably.
そしてこの発明のコイル自動交換装置によれば、複数の
コイルの各々につき上記所定加熱位置に位置させた場合
の焼入れ条件出しおよび焼入れ品質確認をあらかじめ行
っておくことにて、上記効果に基づき、コイルの交換を
自動的に、かつ短時間で確実に行うことができ、しかも
熟練を要せずだれでもそれを行わせることができるので
、焼入れするワークの種類を変更する際に、上記搬送装
置および高周波焼入れ装置を停止させることなく、次に
使用するコイルを上記使用位置に配置し得るとともに、
そのコイルへの給電を準備することができ、それゆえ、
−シフト内で数種類のワークの生産を行う必要がある場
合に、焼入れ装置の稼働率を大幅に引き上げ、ひいては
焼入れ装置の能力を大幅に引き上げることができる。According to the automatic coil changing device of the present invention, by determining the quenching conditions and confirming the quenching quality in advance when each of the plurality of coils is positioned at the predetermined heating position, the coil can be replaced based on the above effects. The above transfer device and The coil to be used next can be placed in the above usage position without stopping the induction hardening device, and
You can prepare the power supply to that coil and therefore,
- When it is necessary to produce several types of workpieces within a shift, the operating rate of the quenching equipment can be significantly increased, and the capacity of the quenching equipment can be greatly increased.
(実施例)
以下に、この発明の実施例を図面に基づき詳細に説明す
る。(Example) Hereinafter, an example of the present invention will be described in detail based on the drawings.
第1図は、この発明のコイル自動交換装置の一実施例を
高周波焼入れ装置とともに示す斜視図であり、図中従来
例と同様の部分はそれと同一の符号にて示す。FIG. 1 is a perspective view showing an embodiment of the automatic coil changing device of the present invention together with an induction hardening device, and in the figure, parts similar to those of the conventional example are designated by the same reference numerals.
また第2図、第3図および第4図は、上記高周波焼入れ
装置とこの実施例のコイル自動交換装置とを示す平面図
、正面図および側面図である。Moreover, FIGS. 2, 3, and 4 are a plan view, a front view, and a side view showing the above-mentioned induction hardening apparatus and the automatic coil exchange apparatus of this embodiment.
ここにおける高周波焼入れ装置は、固定台11上に搬送
装置12を具え、この搬送装置12は、第2図=12−
および第4図に示すように、各々油圧シリンダ13で二
つの爪14を互いに接近および離間させる二台のハンド
15を、水平なガイドロッド17の案内下で間隔をあけ
て一緒に油圧シリンダ16により往復移動させることに
より、軸部を有するワークとしての、ドライブシャフト
を一体的に有する等速ジヨイントのアウタレース1を、
その軸線を垂直として第1図中矢印Aで示すように水平
方向へ、第1図の実線および第4図の仮想線でそのアウ
タレース1を示す所定焼入れ位置の下方の所定経路に沿
って、第2図では左端の搬入位置から中央の受渡し位置
へ、またその中央の受渡し位置から右端の搬出位置へ、
順次にタクト搬送することができる。The induction hardening apparatus here includes a conveying device 12 on a fixed table 11, and this conveying device 12 moves two claws 14 to each other with hydraulic cylinders 13, as shown in FIG. By reciprocating the two hands 15 that are brought closer and separated together by a hydraulic cylinder 16 at a distance under the guidance of a horizontal guide rod 17, the drive shaft, which is a workpiece having a shaft portion, can be integrally assembled. An outer race 1 of a constant velocity joint having
With its axis being vertical, the outer race 1 is moved horizontally as shown by arrow A in FIG. In Figure 2, from the carry-in position at the left end to the delivery position at the center, and from the delivery position at the center to the delivery position at the right end.
Sequential tact transportation is possible.
またこの高周波焼入れ装置は、固定台11上にワーク位
置決め回転手段としてのワーク位置決め回転機構18を
具え、このワーク位置決め回転機構18は、ハンド15
で挟持されて搬送装置12で左端の搬入位置から中央の
受渡し位置にタクト搬送されてきたアウタレース1の上
方から、図示しない油圧シリンダにより上側のセンタ軸
2を下降させるとともに、そのアウタレース1の下方か
ら、油圧シリンダ19により下側のセンタ軸2を上昇さ
せることにて、それらのセンタ軸2でそのアウタレース
1を上下方向から挟持し、ハンド15がそのアウタレー
ス1を開放したら、上記二つの油圧シリンダにより上下
のセンタ軸2を一緒に上昇させて、第4図に示すように
、そのアウタレース1を上記の焼入れ位置に位置決めす
るとともに、上側のセンタ軸2を図示しないモータで回
転駆動することにて、そのアウタレース1をそこで第1
図中矢印Bで示すように回転させることができ、さらに
それと逆の手順で、上記焼入れ位置にて焼入れしたアウ
タレース1を下降させて、搬送装置12のハンド15に
引き渡し、右端の搬出位置にタクト搬送させることがで
きる。Further, this induction hardening apparatus is provided with a workpiece positioning rotation mechanism 18 as a workpiece positioning and rotation means on the fixed base 11, and this workpiece positioning rotation mechanism 18 is equipped with a hand 15.
The upper center shaft 2 is lowered by a hydraulic cylinder (not shown) from above the outer race 1 which has been clamped by the outer race 1 and transported by the transport device 12 from the left end carry-in position to the central delivery position, and from below the outer race 1. By raising the lower center shaft 2 with the hydraulic cylinders 19, the outer race 1 is held between the center shafts 2 from above and below, and when the hand 15 releases the outer race 1, the two hydraulic cylinders By raising the upper and lower center shafts 2 together and positioning the outer race 1 at the above-mentioned hardening position as shown in FIG. 4, the upper center shaft 2 is rotationally driven by a motor (not shown). The outer lace 1 is then
The outer race 1 can be rotated as shown by the arrow B in the figure, and in the reverse procedure, the outer race 1 that has been hardened at the hardening position is lowered, delivered to the hand 15 of the conveying device 12, and then moved to the right-hand unloading position. It can be transported.
さらにこの高周波焼入れ装置は、固定台11上に基台移
動手段としての基台移動機構20を具え、この基台移動
機構20は、基台4の下面に固定されたボール循環式ス
ライダ21と嵌まり合う、固定台11上に固定されたガ
イドロッド3による案内と、固−1Q −
足台11上に設けられた図示しないエアシリンダによる
付勢とによって、基台4を上記焼入れ位置に対し前記搬
送経路と直交する第1図中矢印Cで示す水平方向(第2
図では上下方向、第4図では左右方向)へ、ストッパボ
ルトにより特定される所定前進限位置まで所定距離進退
移動させることができる。Furthermore, this induction hardening apparatus is provided with a base moving mechanism 20 as a base moving means on the fixed base 11, and this base moving mechanism 20 is fitted with a ball circulation type slider 21 fixed to the lower surface of the base 4. The base 4 is moved to the above-mentioned quenching position by the guidance of the guide rod 3 fixed on the fixed base 11 and the urging by an air cylinder (not shown) provided on the fixed base 11. In the horizontal direction (second direction) indicated by arrow C in FIG.
It can be moved forward and backward by a predetermined distance up to a predetermined forward limit position specified by a stopper bolt (in the vertical direction in the figure, and in the left-right direction in FIG. 4).
またこの高周波焼入れ装置は、基台4上に給電手段とし
ての変成器5を具え、その変成器5の出力端子たる一対
の給電電極6は、変成器5を囲むカバー22を貫通する
一対の通電部材23に取り付けられるとともにそのカバ
ー22に電気的絶縁状態で支持されて基台4上に固設さ
れている。Further, this induction hardening apparatus includes a transformer 5 as a power supply means on a base 4, and a pair of power supply electrodes 6, which are output terminals of the transformer 5, are connected to a pair of current-carrying electrodes 6 passing through a cover 22 surrounding the transformer 5. It is attached to the member 23 and supported by the cover 22 in an electrically insulated state, and is fixed on the base 4.
加えてこの高周波焼入れ装置は、固定台11上に、上記
搬送装置12と干渉しないよう配置された図示しないブ
ラケットを介し固設された急速冷却手段としての一対の
焼入れ水噴霧ノズル10を具え、この焼入れ水噴霧ノズ
ル10は、後述する加熱位置に前進したコイル7と干渉
しないよう、アウタレース1の上記搬送方向に並べられ
、上記焼入れ位置を間に挟んで間隔をあけて対向配置さ
れている。In addition, this induction hardening apparatus is equipped with a pair of quenching water spray nozzles 10 as rapid cooling means, which are fixedly installed on a fixed base 11 via brackets (not shown) arranged so as not to interfere with the conveying device 12. The quenching water spray nozzles 10 are arranged in the conveying direction of the outer race 1 so as not to interfere with the coil 7 which has advanced to a heating position, which will be described later, and are opposed to each other with an interval between them with the quenching position in between.
しかしてこの実施例のコイル自動交換装置はコイル支持
台24を具え、このコイル支持台24は、互いに異なる
種類のアウタレース1の軸部に適正に嵌まり合って寄り
添い得る三個の凹形状のコイル7を基台4の進退移動方
向と直交する水平方向、すなわち上記搬送方向と平行な
方向(第2図および第3図では左右方向)へ並べた配置
でかつ第4図に示すようにそれらのコイル7の凹部を持
つ前部を基台4の前進方向へ向けて支持している。However, the automatic coil exchange device of this embodiment is equipped with a coil support stand 24, and this coil support stand 24 holds three concave coils that can be properly fitted and snuggled onto the shafts of different types of outer races 1. 7 are arranged in a horizontal direction perpendicular to the forward and backward movement direction of the base 4, that is, in a direction parallel to the above-mentioned conveyance direction (in the left-right direction in FIGS. 2 and 3), and as shown in FIG. The front portion of the coil 7 having a recessed portion is supported toward the forward direction of the base 4.
そしてこのコイル自動交換装置は、そのコイル支持台2
4を水平移動させる、コイル選択手段としてのコイル選
択機構25を具え、このコイル選択機構25は、基台4
上に固定されて上記三個のコイル7を並べた方向へ水平
に延在するガイドロッド26による案内と基台4上に設
けられた油圧シリンダ27による付勢とによって、その
ガイドロッド26にブツシュを介して嵌まり合いかつそ
の上に上記コイル支持台24を固定されたスライド部材
28を往復移動させるとともに、そのスライド部材28
に両端面にそれぞれ当接可能な二本のストッパホルト2
9によってその往復移動限位置を調整可能に特定し、さ
らに油圧シリンダ30によりクランク腕31を押し引き
されて揺動される揺動軸32に図示しないキーとボルト
とで移動可能に固定されてスライド部材28の一端面に
当接可能な水平姿勢と当接しない垂直姿勢との間で揺動
するストッパ部材33によって、ガイドロッド26の中
央部でのスライド部材28の停止位置を調整可能に特定
する。And this coil automatic exchange device has its coil support stand 2.
A coil selection mechanism 25 is provided as a coil selection means for horizontally moving the base 4.
A bushing is attached to the guide rod 26 by guidance by a guide rod 26 fixed above and extending horizontally in the direction in which the three coils 7 are arranged, and by urging by a hydraulic cylinder 27 provided on the base 4. The slide member 28, on which the coil support base 24 is fixed, is reciprocated, and the slide member 28
Two stopper bolts 2 that can come into contact with both end faces respectively
9, the limit position of the reciprocating movement is adjustable and specified, and furthermore, the crank arm 31 is pushed and pulled by a hydraulic cylinder 30, and is movably fixed to a swing shaft 32 that swings, using a key and a bolt (not shown) to slide. The stopping position of the slide member 28 at the center of the guide rod 26 is adjustable by the stopper member 33, which swings between a horizontal position in which it can come into contact with one end surface of the member 28 and a vertical position in which it does not come into contact with it. .
従って上記コイル選択機構25は、上記三個のコイル7
のうちの任意の一つを基台4上の中央部の所定使用位置
に配置することができ、この使用位置は待機位置に相当
して、そこに配置されたコイル7は、基台4の上記進退
移動により、上記焼入れ位置に位置決めされたアウタレ
ース1の軸部に嵌まり合って寄り添う所定加熱位置とそ
のアウタレース1から離間する上記待機位置との間で進
退移動される。Therefore, the coil selection mechanism 25 selects the three coils 7.
Any one of them can be placed at a predetermined use position in the center of the base 4, and this use position corresponds to a standby position, and the coil 7 placed there can be placed at a predetermined use position in the center of the base 4. The above-mentioned forward and backward movement causes the outer race 1 to be moved forward and backward between the predetermined heating position where it fits into and nestles against the shaft portion of the outer race 1 positioned at the above-mentioned quenching position and the above-mentioned standby position where it is separated from the outer race 1.
またこの実施例のコイル自動交換装置は、コイル支持台
24と三個のコイル7との間にそれぞれ介装された、コ
イル持ち上げ手段としての三つのコイルリフタ機構34
を具え、このコイルリフタ機構34は、前記各コイル7
の後部に固設されてそのコイル7から後方へ延出する一
対の受電部材8と嵌まり合ってその昇降を案内するとと
もにその受電部材8とコイル支持台24とを電気的に絶
縁する一対のガイド部材35と、ピストンロッド36a
の先端部に電気的絶縁材製のベース板37を介しそれら
コイル7および受電部材8を固定された小型油圧シリン
ダ36とを具えてなり、そのガイド部材35による案内
と油圧シリンダ36による上昇付勢とによって、コイル
7および受電部材8をコイル支持台24に対し、向きを
一定に維持して持ち上げることができる。Further, the automatic coil exchange device of this embodiment includes three coil lifter mechanisms 34 as coil lifting means, each interposed between the coil support stand 24 and the three coils 7.
The coil lifter mechanism 34 includes a
A pair of power receiving members 8 that are fixedly installed at the rear of the coil 7 and extend rearward from the coil 7 to guide the vertical movement of the power receiving members 8 and electrically insulate the power receiving members 8 and the coil support 24. Guide member 35 and piston rod 36a
The coil 7 and the power receiving member 8 are fixed to the tip of the small hydraulic cylinder 36 through a base plate 37 made of an electrically insulating material. Accordingly, the coil 7 and the power receiving member 8 can be lifted with respect to the coil support base 24 while maintaining a constant orientation.
なお、上記一対の給電電極6は、上記使用位置に配置さ
れたコイル7から後方へ延出する一対の受電部材8の下
方に、それらに整列して位置するように配置されている
。The pair of power feeding electrodes 6 are arranged below and aligned with the pair of power receiving members 8 extending rearward from the coil 7 arranged at the use position.
さらにこの実施例のコイル自動交換装置は、その給電電
極6の上方の位置にて上記カバー22を介し基台4上に
固設された、受電部材クランプ手段としての受電部材ク
ランプ機構38を具え、この受電部材クランプ機構38
は、二本の下向きの油圧シリンダ39のピストンロッド
39aにそれぞれガイドスリーブ40を取り付け、それ
らのガイドスリーブ40により支持ロッド41を昇降可
能に案内するとともに、ガイドスリーブ40内のスプリ
ング42により支持ロッド41を下方へ常時付勢し、そ
れらの支持ロッド41の下端部にそれぞれ電気的絶縁材
製のクランプ部材43を取り付けてなり、それらの油圧
シリンダ39の作動に基づき一対のクランプ部材43を
上記一対の給電電極6に対し進退移動させることができ
る。Further, the automatic coil exchange device of this embodiment includes a power receiving member clamping mechanism 38 as a power receiving member clamping means, which is fixed on the base 4 through the cover 22 at a position above the power feeding electrode 6, This power receiving member clamp mechanism 38
A guide sleeve 40 is attached to each of the piston rods 39a of two downward-facing hydraulic cylinders 39, and the guide sleeves 40 guide the support rod 41 in a vertically movable manner. are always urged downward, and clamp members 43 made of electrically insulating material are attached to the lower ends of these support rods 41, respectively, and the pair of clamp members 43 are moved between the pair of clamp members 43 based on the operation of the hydraulic cylinders 39. It can be moved forward and backward relative to the power supply electrode 6.
なお、各コイル7および受電部材8に設けられてそれら
の内部の冷却水通路に連通されたカプラ44には、図示
しない冷却水用ホースが接続されており、その冷却水用
ホースを介し、各コイル7および受電部材8内には冷却
水が通流されている。Note that a cooling water hose (not shown) is connected to a coupler 44 provided in each coil 7 and power receiving member 8 and communicating with the cooling water passage inside the coils 7 and the power receiving member 8, and each Cooling water flows through the coil 7 and the power receiving member 8.
また上記各機構の作動は、それらの機構の油圧シリンダ
に作動油圧を供給する油圧回路中の電磁式切替え弁を図
示しないシーケンサがあらかじめ指示された手順に従っ
て切替え作動させることにより達成される。Further, the operation of each of the above mechanisms is achieved by switching and operating an electromagnetic switching valve in a hydraulic circuit that supplies hydraulic pressure to the hydraulic cylinders of those mechanisms according to a procedure instructed in advance by a sequencer (not shown).
上述した高周波焼入れ装置にあっては、あらかじめ、基
台移動機構20が基台4を後退位置に移動させるととも
に、コイル選択機構25がコイル支持台24を移動させ
て、基台4上にそのコイル支持台24を介し支持された
三個のコイル7のうち所定のものを基台4上の上記使用
位置すなわち待機位置に位置させ、さらに受電部材クラ
ンプ機構38がその所定コイルから延出する受電部材8
を給電電極6とクランプ部材43との間で挟持してアウ
タレース1を待機し、アウタレース1が搬送装置12に
より上記受渡し位置に搬送されてくると、先ずワーク位
置決め回転機構18が、そのアウタレース1を保持して
上記焼入れ位置に位置決めするとともにそこで回転させ
、次いで基台移動機構20が基台4を水平に前進移動さ
せて、上記待機位置に位置した上記所定のコイル7をそ
こからそのアウタレース1の軸部に嵌まり合って寄り添
う上記加熱位置まで前進移動させ、そして変成器5がそ
の所定のコイル7に給電電極6および受電部材8を介し
高周波電流を通電することにより、上記アウタレース1
の軸部の周囲部分を均一に発熱させる。In the above-mentioned induction hardening apparatus, the base moving mechanism 20 moves the base 4 to the retreat position, and the coil selection mechanism 25 moves the coil support 24 to place the coil on the base 4. A power receiving member in which a predetermined one of the three coils 7 supported via the support stand 24 is located at the above-mentioned use position, that is, a standby position on the base 4, and a power receiving member clamping mechanism 38 extends from the predetermined coil. 8
is held between the power supply electrode 6 and the clamp member 43, and when the outer race 1 is conveyed to the delivery position by the conveyance device 12, the work positioning rotation mechanism 18 first rotates the outer race 1. The base moving mechanism 20 moves the base 4 forward horizontally to move the predetermined coil 7 located at the standby position from there to the outer race 1. The outer race 1 is moved forward to the above-mentioned heating position where it fits into and nestles on the shaft portion, and the transformer 5 passes a high frequency current to the predetermined coil 7 through the power supply electrode 6 and the power receiving member 8, thereby causing the outer race 1 to move forward.
to uniformly generate heat around the shaft.
そして所定時間の経過により上記軸部の周囲部分が所定
の温度に達すると、先ず変成器5がコイル7への通電を
停止し、次いで基台移動機構20が基台4を水平に後退
移動させて、上記所定のコイル7をそのアウタレース1
から離間する上記待機位置に後退移動させ、さらに焼入
れ水噴霧ノズル10がその回転しているアウタレース1
の軸部の周囲部分に焼入れ水を噴霧してその軸部を急速
冷却させ、これによってアウタレース1の軸部の周囲部
分に均一に高周波焼入れが施され、その後ワーク位置決
め回転機構20がそのアウタレース1を搬送装置12に
引き渡す。When the surrounding area of the shaft reaches a predetermined temperature after a predetermined period of time, the transformer 5 first stops energizing the coil 7, and then the base moving mechanism 20 moves the base 4 backward horizontally. Then, the above-mentioned predetermined coil 7 is connected to its outer race 1.
The quenching water spray nozzle 10 is moved backward to the above-mentioned standby position away from the rotating outer race 1.
Quenching water is sprayed around the shaft portion of the outer race 1 to rapidly cool the shaft portion, thereby uniformly induction hardening is applied to the peripheral portion of the shaft portion of the outer race 1, and then the workpiece positioning rotation mechanism 20 rotates the outer race 1. is delivered to the conveyance device 12.
しかして上述したこの実施例のコイル自動交換装置にあ
っては、アウタレース1の種類を変更する際に、基台移
動機構20が基台4を後退位置に移動させた状態で、第
5図に示すように、先ず受電部材クランプ機構38がク
ランプ部材43を給電電極6に対し後退(上昇)させて
、前記所定コイル7から延出してそのクランプ部材43
と給電電極6との間に位置している受電部材8を開放し
、次いでコイルリフタ機構34がその所定コイル7を持
ち上げてそのコイル7に固設された受電部材8を給電電
極6から引き離し、これと同時に残る二つのコイルリフ
タ機構34も対応するコイル7を持ち上げて受電部材8
を給電電極6よりも高く位置させ、そしてコイル選択機
構25がコイル支持台24を移動させて、そのコイル支
持台24上の三個のコイル7のうち次のアウタレースl
の種類に対応するものを上記使用位置に配置し、さらに
受電部材クランプ機構38がクランプ部材43を前進(
下降)させることにより、そのコイル7から延出する受
電部材8をコイルリフタ機構34の油圧シリンダ36の
除圧下でコイル7とともに押し下げて、受電部材8を給
電電極6上に押し付けてコイル7の高さ方向の位置決め
をするとともにその受電部材8を給電電極6とクランプ
部材43との間で挟持してそのコイル7への給電を可能
ならしめる。However, in the automatic coil exchange device of this embodiment described above, when changing the type of outer race 1, the base moving mechanism 20 moves the base 4 to the retracted position as shown in FIG. As shown, first, the power receiving member clamping mechanism 38 moves the clamping member 43 backward (up) with respect to the power feeding electrode 6, and extends from the predetermined coil 7 to clamp the clamping member 43.
The power receiving member 8 located between the power supply electrode 6 and the power supply electrode 6 is opened, and then the coil lifter mechanism 34 lifts the specified coil 7 and separates the power reception member 8 fixed to the coil 7 from the power supply electrode 6. At the same time, the remaining two coil lifter mechanisms 34 also lift the corresponding coils 7 and lift them up to the power receiving member 8.
is positioned higher than the feeding electrode 6, and the coil selection mechanism 25 moves the coil support 24 to select the next outer race l among the three coils 7 on the coil support 24.
The power receiving member clamping mechanism 38 moves the clamping member 43 forward (
By lowering the coil 7, the power receiving member 8 extending from the coil 7 is pushed down together with the coil 7 under the pressure release of the hydraulic cylinder 36 of the coil lifter mechanism 34, and the power receiving member 8 is pressed onto the power feeding electrode 6 to lower the height of the coil 7. The power receiving member 8 is held between the power feeding electrode 6 and the clamp member 43 to enable power feeding to the coil 7.
従って、この実施例のコイル自動交換装置によれば、基
台4上に設けられ、三個のコイル7を基台4の進退移動
方向と直交する水平方向すなわちアウタレース1の搬送
方向と平行な方向へ並べた配置で支持するコイル支持台
24を、基台4を後退位置に移動させた状態で、そのコ
イル7を並べた方向へ水平移動させて、それらのコイル
7のうちの任意の一つを使用位置に配置するので、狭い
スペース内で、それら三個のコイル7を、アウタレース
1や搬送装置12、さらにはワーク位置決め回転機構1
8や焼入れ水噴霧ノズル10との干渉を避けて配置し移
動させることができ、また、受電部材8と給電電極6と
の間が溶着していても、コイルリフタ機構34がそのコ
イル7を持ち上げてそれに固設された受電部材8を給電
電極6から引き離すので、コイル7の交換を確実に行う
ことができる。Therefore, according to the automatic coil exchange device of this embodiment, the three coils 7 are installed on the base 4 and are moved in the horizontal direction perpendicular to the forward and backward movement direction of the base 4, that is, in the direction parallel to the conveyance direction of the outer race 1. With the base 4 moved to the retracted position, the coil support 24 supported in the arranged arrangement is horizontally moved in the direction in which the coils 7 are arranged, and any one of the coils 7 is moved horizontally in the direction in which the coils 7 are arranged. Since these three coils 7 are placed in the use position, these three coils 7 can be easily connected to the outer race 1, the conveyance device 12, and even the workpiece positioning rotation mechanism 1 in a narrow space.
8 and the quenching water spray nozzle 10, and even if the power receiving member 8 and the power feeding electrode 6 are welded together, the coil lifter mechanism 34 lifts the coil 7. Since the power receiving member 8 fixed thereto is separated from the power feeding electrode 6, the coil 7 can be replaced reliably.
そしてこの実施例のコイル自動交換装置によれば、三個
のコイル7の各々につき上記所定加熱位置に位置させた
場合の焼入れ条件出しおよび焼入れ品質確認をあらかじ
め行っておくことにて、上記効果に基づき、コイル7の
交換を自動的に、かつ短時間で(−分収内で)確実に行
うことができ、しかも熟練を要せずだれでもそれを行わ
せることができるので、焼入れするアウタレース1の種
類を変更する際に、上記搬送装置12および高周波焼入
れ装置を停止させることなく、次に使用するコイル7を
上記使用位置に配置し得るとともに、そのコイル7への
給電を準備することができ、それゆえ、−シフト内で数
種類のアウタレース1の生産を行う必要がある場合に、
高周波焼入れ装置の稼働率を大幅に引き上げ、ひいては
高周波焼入れ装置の能力を大幅に引き上げることができ
る。According to the automatic coil exchange device of this embodiment, the above effects can be achieved by determining the quenching conditions and checking the quenching quality in advance when each of the three coils 7 is positioned at the predetermined heating position. Based on this, the coil 7 can be replaced automatically and reliably in a short period of time (within a minute), and anyone can do it without requiring any skill. When changing the type of coil 7, the coil 7 to be used next can be placed in the use position without stopping the conveying device 12 and the induction hardening device, and the power supply to the coil 7 can be prepared. , therefore - if it is necessary to produce several types of outer lace 1 within a shift,
It is possible to significantly increase the operating rate of the induction hardening device and, by extension, the capacity of the induction hardening device.
以上、図示例に基づき説明したが、この発明は上述の例
に限定されるものでなく、例えば、上記例ではアウタレ
ース1の種類変更に伴い作業者が上記シーケンサにコイ
ル自動交換装置の作動指令を与えてコイル7の自動交換
を行わせているが、ワークの加工ライン中にそこを出る
ワークの種類をその寸法等から検出するセンサを設けて
、その加工ラインの下流の高周波焼入れ装置に設けた本
発明のコイル自動交換装置にそのセンサからの信号を入
力することにより、次に高周波焼入れ装置に供給される
ワークの種類に応じて、作業者が指示することなく自動
的にコイルを交換し得るようにしても良い。Although the above has been explained based on the illustrated example, the present invention is not limited to the above-mentioned example. For example, in the above example, in response to a change in the type of outer race 1, the operator issues an operation command to the automatic coil exchange device to the sequencer. A sensor is installed in the workpiece processing line to detect the type of workpiece leaving the workpiece from its dimensions, etc., and is installed in the induction hardening device downstream of the processing line. By inputting the signal from the sensor to the automatic coil exchange device of the present invention, the coil can be automatically exchanged without any instructions from the operator, depending on the type of workpiece to be next supplied to the induction hardening device. You can do it like this.
またコイル持ち上げ手段として、上記例の油圧シリンダ
36に替えてスプリングを用いても良い。Further, as the coil lifting means, a spring may be used instead of the hydraulic cylinder 36 in the above example.
そして上記例のアウタレースIのみでなく、他の、軸部
を有するワークの高周波焼入れ装置にも、本発明のコイ
ル自動交換装置を適用し得ることはいうまでもない。It goes without saying that the automatic coil exchange device of the present invention can be applied not only to the outer race I of the above example, but also to other induction hardening devices for workpieces having shaft portions.
(発明の効果)
かくしてこの発明のコイル自動交換装置によれば、狭い
スペース内で、それら複数のコイルを、ワークや搬送装
置、さらにはワーク位置決め回転手段や急速冷却手段と
の干渉を避けて配置し移動させることができ、また、受
電部材と給電電極との間が溶着しても、コイルの交換を
確実に行うことができる。(Effects of the Invention) Thus, according to the automatic coil exchange device of the present invention, the plurality of coils can be arranged in a narrow space while avoiding interference with the workpiece, the conveyance device, the workpiece positioning rotation means, and the rapid cooling means. Moreover, even if the power receiving member and the power feeding electrode become welded together, the coil can be replaced reliably.
そして本発明の装置によれば、上記効果に基づき、コイ
ルの交換を自動的に、かつ短時間で確実に行うことがで
き、しかも熟練を要せずだれでもそれを行わせることが
できるので、焼入れするワークの種類を変更する際に、
上記搬送装置および高周波焼入れ装置を停止させること
なく、次に使用するコイルを上記使用位置に配置し得る
とともに、そのコイルへの給電を準備することができ、
それゆえ、−シフト内で数種類のワークの生産を行う必
要がある場合に、焼入れ装置の稼働率を大幅に引き上げ
、ひいては焼入れ装置の能力を大幅に引き上げることが
できる。According to the device of the present invention, based on the above effects, the coil can be replaced automatically and reliably in a short time, and anyone can do it without requiring any skill. When changing the type of workpiece to be hardened,
A coil to be used next can be placed in the use position without stopping the conveyance device and the induction hardening device, and power supply to the coil can be prepared;
Therefore, when it is necessary to produce several types of workpieces within a shift, the operating rate of the quenching apparatus can be significantly increased, and the capacity of the quenching apparatus can therefore be significantly increased.
第1図はこの発明のコイル自動交換装置の一実施例をそ
れを適用した高周波焼入れ装置とともに示す斜視図、
第2図は、上記高周波焼入れ装置とこの実施例のコイル
自動交換装置とを示す平面図、第3図は、上記高周波焼
入れ装置とこの実施例のコイル自動交換装置とを示す正
面図、第4図は、上記高周波焼入れ装置とこの実施例の
コイル自動交換装置とを示す側面図、第5図は上記実施
例のコイル自動交換装置の作動状態を示す説明図、
第6図は従来の高周波焼入れ装置を示す斜視図である。
■−・アウタレース 4・−基台
5−変成器 6−・給電電極7−コイル
8−・受電部材10−・・焼入れ水噴霧ノズル
1B−・・ワーク位置決め回転機構
20・−基台移動機構 24・−コイル支持台25
− コイル選択機構 34・−・コイルリフタ機構3
8・・−受電部材クランプ機構FIG. 1 is a perspective view showing an embodiment of the automatic coil changing device of the present invention together with an induction hardening device to which the same is applied, and FIG. 2 is a plan view showing the above-mentioned induction hardening device and the automatic coil changing device of this embodiment. 3 is a front view showing the above-mentioned induction hardening device and the automatic coil changing device of this embodiment, and FIG. 4 is a side view showing the above-mentioned induction hardening device and the automatic coil changing device of this embodiment, FIG. 5 is an explanatory view showing the operating state of the automatic coil exchange device of the above embodiment, and FIG. 6 is a perspective view showing a conventional induction hardening device. ■- Outer race 4- Base 5- Transformer 6- Power supply electrode 7- Coil
8--Power receiving member 10--Quenching water spray nozzle 1B--Work positioning rotation mechanism 20--Base moving mechanism 24--Coil support stand 25
- Coil selection mechanism 34 -- Coil lifter mechanism 3
8...-Power receiving member clamp mechanism
Claims (1)
置に位置決めするとともにそこで回転させるワーク位置
決め回転手段(18)と、 凹形状のコイル(7)を支持する基台(4)を水平に進
退移動させて、前記コイルを、前記焼入れ位置に位置決
めしたワークの軸部に嵌まり合って寄り添う所定加熱位
置と、そのワークから離間する所定待機位置との間で進
退移動させる基台移動手段(20)と、 前記加熱位置に前進したコイルに高周波電流を給電する
給電手段(5)と、 前記コイルで発熱させたワークに冷却流体を吹きつける
急速冷却手段(10)と、を具える高周波焼入れ装置に
おいて、 前記コイルを複数、前記基台の進退移動方向と直交する
水平方向へ並べた配置で支持するコイル支持台(24)
と、 前記基台上に設けられて、その基台の後退状態で前記コ
イル支持台を水平移動させ、それらのコイルのうちの任
意の一つを、前記待機位置に相当する前記基台上の使用
位置に配置するコイル選択手段(25)と、 前記コイル支持台と前記複数のコイルとの間にそれぞれ
介装されて、それらのコイルを前記コイル支持台に対し
持ち上げる複数のコイル持ち上げ手段(34)と、 前記複数のコイルにそれぞれ固設されて、それらから後
方へ延出する複数の受電部材(8)と、前記使用位置に
配置したコイルから延出する受電部材の下方の位置にて
前記基台上に固設されて、前記給電手段に接続された給
電電極(6)と、前記給電電極の上方の位置にて前記基
台上に固設されて、前記給電電極に対しクランプ部材を
進退移動させる受電部材クランプ手段(38)と、を設
けたことを特徴とする、高周波焼入れ装置用コイル自動
交換装置。[Claims] 1. Workpiece positioning and rotation means (18) for holding a workpiece (1) having a shaft portion, positioning it at a predetermined hardening position, and rotating it there; and a base supporting a concave coil (7). The table (4) is moved horizontally back and forth to move the coil back and forth between a predetermined heating position where it fits into the shaft of the workpiece positioned at the quenching position and a predetermined standby position where it is separated from the workpiece. A base moving means (20) for moving, a power supply means (5) for supplying high frequency current to the coil advanced to the heating position, and a rapid cooling means (10) for spraying cooling fluid onto the workpiece generated by the coil. An induction hardening apparatus comprising: a coil support base (24) that supports a plurality of the coils in a horizontally arranged arrangement perpendicular to the forward and backward movement direction of the base;
and, horizontally moving the coil support stand provided on the base in a retracted state of the base, and moving any one of the coils to a position on the base corresponding to the standby position. a coil selection means (25) disposed at a use position; and a plurality of coil lifting means (34) interposed between the coil support stand and the plurality of coils to lift the coils relative to the coil support stand. ), a plurality of power receiving members (8) fixedly attached to each of the plurality of coils and extending rearward from the plurality of coils, and a plurality of power receiving members (8) at a position below the power receiving member extending from the coil arranged in the use position. A power supply electrode (6) is fixed on a base and connected to the power supply means, and a clamp member is fixed on the base at a position above the power supply electrode and is connected to the power supply means. An automatic coil exchange device for an induction hardening device, characterized in that a power receiving member clamping means (38) for moving forward and backward is provided.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP02273264A JP3025523B2 (en) | 1990-10-15 | 1990-10-15 | Automatic coil changer for induction hardening equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP02273264A JP3025523B2 (en) | 1990-10-15 | 1990-10-15 | Automatic coil changer for induction hardening equipment |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH04154908A true JPH04154908A (en) | 1992-05-27 |
JP3025523B2 JP3025523B2 (en) | 2000-03-27 |
Family
ID=17525412
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP02273264A Expired - Fee Related JP3025523B2 (en) | 1990-10-15 | 1990-10-15 | Automatic coil changer for induction hardening equipment |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3025523B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004169133A (en) * | 2002-11-20 | 2004-06-17 | Fuji Electronics Industry Co Ltd | High-frequency induction hardening device for constant velocity universal joint |
WO2013112094A1 (en) * | 2012-01-26 | 2013-08-01 | Aktiebolaget Skf (Publ) | Induction hardening device |
JP2015010251A (en) * | 2013-06-27 | 2015-01-19 | 富士電子工業株式会社 | High-frequency hardening apparatus |
-
1990
- 1990-10-15 JP JP02273264A patent/JP3025523B2/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004169133A (en) * | 2002-11-20 | 2004-06-17 | Fuji Electronics Industry Co Ltd | High-frequency induction hardening device for constant velocity universal joint |
WO2013112094A1 (en) * | 2012-01-26 | 2013-08-01 | Aktiebolaget Skf (Publ) | Induction hardening device |
JP2015010251A (en) * | 2013-06-27 | 2015-01-19 | 富士電子工業株式会社 | High-frequency hardening apparatus |
Also Published As
Publication number | Publication date |
---|---|
JP3025523B2 (en) | 2000-03-27 |
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