JPS63156644A - Hydraulic indexing device - Google Patents

Hydraulic indexing device

Info

Publication number
JPS63156644A
JPS63156644A JP61303854A JP30385486A JPS63156644A JP S63156644 A JPS63156644 A JP S63156644A JP 61303854 A JP61303854 A JP 61303854A JP 30385486 A JP30385486 A JP 30385486A JP S63156644 A JPS63156644 A JP S63156644A
Authority
JP
Japan
Prior art keywords
clamp
indexing
hydraulic
chamber
cylinder
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
Application number
JP61303854A
Other languages
Japanese (ja)
Other versions
JP2552467B2 (en
Inventor
Kiyoshi Tamura
清 田村
Akira Masahashi
正橋 晃
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nachi Fujikoshi Corp
Original Assignee
Nachi Fujikoshi Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nachi Fujikoshi Corp filed Critical Nachi Fujikoshi Corp
Priority to JP61303854A priority Critical patent/JP2552467B2/en
Publication of JPS63156644A publication Critical patent/JPS63156644A/en
Application granted granted Critical
Publication of JP2552467B2 publication Critical patent/JP2552467B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

PURPOSE:To aim at simplifying the arrangement of a hydraulic indexing device by communicating the clamp and unclamp hydraulic chambers of an indexing cylinder, respectively with the clamp and unclamp chambers of a clamp cylinder cooperated with the indexing device, and by feeding hydraulic pressure into the clamp chamber after the pressure of the clamp hydraulic chamber is built up. CONSTITUTION:The clamp hydraulic chamber 19 of an indexing cylinder 16 is communicated with the clamp chamber 61 of a tool bed turret clamp cylinder 60 through a clamp port, and the unclamp hydraulic chamber 19 thereof is communicated with the unclamp chamber 62 of the clamp cylinder 50 through an unclamp port. The pressure receiving area of the unclamp hydraulic chamber 20 is larger than that of the clamp hydraulic chamber 19. Further, in order that hydraulic oil is fed into the clamp chamber 61 after the pressure of the clamp hydraulic chamber 19 is built up, an indexing pin 21 is formed therein a radial through-hole 45 for communicating the clamp hydraulic chamber 19 with the outer periphery of the pin, and in its outer periphery with a circumferential groove 34, and a cylinder casing 17 is formed therein inner peripheral grooves 30, 31 communicated with the clamp and unclamp ports.

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は、工作機械の刃物台等の装置の位置決め割出し
を必要とする旋回駆動部に使用する油圧割出し装置に関
する。
DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a hydraulic indexing device used in a swing drive section that requires positioning and indexing of a device such as a tool rest of a machine tool.

(従来技術) 工作機械等の位置決め割出しを必要とする回動駆動部に
使用する油圧割出し装置はその機能として例オばNC旋
盤の刃物台タレットの回動用として使用する場合 イ)
刃物台タレットのアンクランプ動作 口)油圧割出し装
置の回動および位置決め割出し停止動作 ノ→刃物台の
タレットのクランプ動作、の順次動作を滑らかな動きで
かつ迅速、正確に行わせることが必要であり、このため
種々の装置が用いられている。従来の油圧割出し装置は
、例オば刃物台タレットのアンクランプ動作完了を検出
器で確認し、その後油圧側出し装置の回動用制御9P′
fr作勅させる機構となっているものがあるが、回動用
制御升の応答遅れによる動作時間ロスは免れず動作の迅
速さの面で不十分な点があり、またアンクランプ動作N
認用の検出装置も余計に必要となる欠点があった。他の
例としては例えば、刃物台タレットのアンクランプ動作
と油圧割出し装置の回動を連動させる機構もあるが、こ
の場合刃物台タレットのアンクランプ動作を行わせるた
めのシリンダーは接続ボートが3個のインターロックシ
リンダーが必要であり、シリンダー構造が複雑で高価に
なり、″1之配管も増オる欠点がありi。
(Prior art) Hydraulic indexing devices used in rotary drive parts that require positioning and indexing of machine tools, etc. have a function such as when used for rotating the tool post turret of an NC lathe.
Unclamping operation of the turret of the tool post Ex) Rotation and positioning of the hydraulic indexing device, indexing and stopping operation → Clamping operation of the turret of the tool post It is necessary to perform the following operations smoothly, quickly and accurately. For this purpose, various devices are used. Conventional hydraulic indexing devices, for example, use a detector to confirm the completion of unclamping of the tool post turret, and then control 9P' for rotation of the hydraulic side indexing device.
Some devices have a mechanism to force the fr operation, but there is a loss of operation time due to a delay in the response of the rotation control box, and the speed of operation is insufficient, and the unclamping operation N
The disadvantage was that an additional detection device was required. Another example is a mechanism that links the unclamping operation of the tool post turret with the rotation of the hydraulic indexing device, but in this case, the cylinder for unclamping the tool post turret has three connection boats. The disadvantage is that multiple interlock cylinders are required, the cylinder structure is complicated and expensive, and the number of piping increases.

(発明が解決しようとする問題点) 本発明の目的はかかる従来製品の欠点を解消した、刃物
台タレットのアンクランプ動作完了検出器を必要とせず
、またこの検出器の信号によって作動する回動制御弁の
遅れがなく、かつ接続ボートを3個有するインターロッ
クシリンダーを必要としない油圧割出し装置を提供する
ことにある。
(Problems to be Solved by the Invention) The object of the present invention is to eliminate the drawbacks of the conventional products, eliminate the need for a detector for the completion of the unclamping operation of the tool post turret, and also eliminate the need for an unclamping operation completion detector for the tool post turret. To provide a hydraulic indexing device which has no delay in control valves and does not require an interlock cylinder having three connecting boats.

(問題点を解決する九めの手段) このため本発明Fi特許請求の範囲の通りの油圧割出し
装置とすることによって問題点を解決し之。
(Ninth Means for Solving the Problem) Therefore, the problem is solved by providing a hydraulic indexing device according to the claims of the present invention.

(実施例) 次に本発明の実施例につき図面を参照して説明すると、
第1図に示す本発明に基づく油圧割出し装置は、第2図
で示す動作を高速かつ高精度に油圧割出しを可能にした
ものである。第1図はNO旋盤等に使用している刃物台
タレットの割出し用として用いた場合のものであって、
一点鎖線内が油圧割出し装置を形成し、油圧モタ(52
)、油圧モータ(52)により駆動される遊星減速装置
(53)と、割出し機構(54)とを含み、こ゛れら部
材は油圧モータ(52)及び割出し機構(54)の駆動
を制御するための電磁切換弁(so)(st)及びこれ
ら部材間の配管を行う図示しない配管ブロックと共に一
体的に組込まれ、全体がコンパクトに構成されている。
(Example) Next, an example of the present invention will be described with reference to the drawings.
The hydraulic indexing device according to the present invention shown in FIG. 1 enables high-speed and highly accurate hydraulic indexing in the operation shown in FIG. Fig. 1 shows a case where it is used for indexing a tool post turret used in a NO lathe, etc.
The part inside the dashed line forms the hydraulic indexing device, and the hydraulic motor (52
), a planetary reduction gear (53) driven by a hydraulic motor (52), and an indexing mechanism (54), and these members control the driving of the hydraulic motor (52) and the indexing mechanism (54). It is integrally assembled with the electromagnetic switching valves (SO) and (ST) for connecting these components, and a piping block (not shown) for piping between these members, making the whole structure compact.

そして割出し機構(5りは遊星減速装置(53)の出力
軸(ハ)と同期して回転する割出し板(イ)と、割出し
板ρに対し半径方向貫通孔 側に装置され、割出し板口の外周に設けられ之凹溝(3
7,第3図)に挿入可能にされ九割出ピン(財)を配設
し九割出しシリンダーαet含む。割出しシリンダー〇
〇のクランプ油室(2)l−JCLボートを介して刃物
台タレットクランプシリンダー(60)のクランプ室(
61)と連通され、そして割出しシリンダー〇〇のアン
クランプ油室−はUNポートを介してクランプシリンダ
ー(60)のアンクランプ室(62)と連通されている
。アンクランプ室プ室(61)に圧油が送られるように
、割出しピンQ1)にはクランプ油室(至)とピン外周
とを連通させる半径方向貫通孔■と、割出しピン121
1外周に設けられた円周溝@及び外部への接続口である
OLボート及びUNボートとそれぞれ連通するシリンダ
ーケースαカの内周#l n (31)を有するOPは
ポンプと連通する圧油ボート、Tはタンクへの戻りボー
トである。また割出しシリンダー構造内にスプリングα
段が設けてあり、圧油が供給さ几ない状態でも、このス
プリングα匂の力で割出しピンQηを押下げ、第3図に
示すように割出しピン先端凸部(ト)が割出し板りの凹
溝0ηに入り出力軸(財)が位置決めさn2クランプ状
態を保ち、負荷側からの回転力が出力軸(財)に作用し
ても回転することがなく、停電時等の安全装置として働
くようにされている。
The indexing mechanism (5) is equipped with an indexing plate (A) that rotates in synchronization with the output shaft (C) of the planetary reduction gear (53), and an indexing plate (A) that is installed on the through hole side in the radial direction with respect to the indexing plate ρ. A concave groove (3) provided on the outer periphery of the outlet
7, Fig. 3), and includes a nine indexing pin (goods) and a nine indexing cylinder αet. Clamp oil chamber of index cylinder〇〇 (2)l- Clamp chamber of tool post turret clamp cylinder (60) via l-JCL boat (
61), and the unclamp oil chamber of the index cylinder 〇〇 is communicated with the unclamp chamber (62) of the clamp cylinder (60) via the UN port. In order to send pressurized oil to the unclamping chamber (61), the index pin Q1) has a radial through hole (■) that communicates the clamp oil chamber (to) with the outer periphery of the pin, and the index pin 121
1 OP has a circumferential groove @ provided on the outer periphery and an inner periphery #l n (31) of the cylinder case α that communicates with the OL boat and UN boat, which are connection ports to the outside, respectively. Boat, T, is the return boat to the tank. There is also a spring α inside the index cylinder structure.
Even if there is a step and pressure oil is not supplied, the indexing pin Qη is pushed down by the force of this spring α, and the protrusion at the tip of the indexing pin (G) indexes as shown in Figure 3. The output shaft (goods) enters the concave groove 0η of the plate and maintains the position n2 clamped state, and does not rotate even if the rotational force from the load side acts on the output shaft (goods), ensuring safety during power outages, etc. It is designed to work as a device.

次に動作について説明すると、第1図は、停止状態で示
されており、図示外の油圧源から圧油がPポートに供給
され電磁切換弁間のp*−33tポートを通り割出しシ
リンダーαGのシリンダー構造 一スα乃の内周lW■0ηと割出しピンな刀の外周溝(
ロ)との開口部0め(6)を通り内周溝g3から割出し
シリンダー〇〇のクランプ油室(至)に入ると同時にO
Lポートに流れる。割出しシリンダーC1119のクラ
ンプ油室α9に入っt圧油の圧力により割出しピンQ1
1の先端凸部(ト)は割出し板口の外周面に設けられて
いる係合部である凹部0ηに嵌り、出力軸(ハ)が位置
決めされている。一方OLを通った圧油は刃物台タレッ
トクランプシリンダー(60)のクランプ室(61〕に
入り、刃物台タンク)(63)’を押下げ、カービック
カップリング(64)の歯が噛合って刃物台タンク)(
63)?クランプする。一方戻り油側は、刃物台タレッ
トクランプシリンダー (60)のアンクランプ室(6
2)の圧油がUNを通り、割出しシリンダーαGのアン
クランプ油室−の圧油と合流し電磁切換弁(7)のA2
→T2ポートからタンクに戻される。このときPポート
から電磁切換弁(51)へ流れた圧油はff (51)
のP、ボートでブロックされており、またこの弁位置で
は電磁切換弁(51)のAI + Bl + ’rtボ
ートは、割出しシリンダー00の内周溝0■に連通され
ているが、内周溝02と割出しピンクコに設けられた絞
り溝■とは連通されていない状態にあり、さらに割出し
シリンダー00の内周溝(至)および油圧モータ(52
)のドレン(59)はTポートと連通され無負荷にされ
ている。
Next, to explain the operation, Fig. 1 shows the stopped state, and pressure oil is supplied from a hydraulic source (not shown) to the P port and passes through the p*-33t port between the electromagnetic switching valves to the indexing cylinder αG. The cylinder structure of the inner circumference lW■0η of the cylinder and the outer circumference groove of the index pin (
At the same time as it enters the clamp oil chamber (to) of the index cylinder 〇〇 from the inner peripheral groove g3 through the opening 0 (6) with
Flows to L port. The pressure of the oil entering the clamp oil chamber α9 of the index cylinder C1119 causes the index pin Q1 to
The tip convex portion (G) of No. 1 fits into a recess 0η, which is an engaging portion provided on the outer peripheral surface of the index plate opening, and the output shaft (C) is positioned. On the other hand, the pressure oil that has passed through the OL enters the clamp chamber (61) of the tool post turret clamp cylinder (60), pushes down the tool post tank (63)', and the teeth of the curvic coupling (64) engage. Turret tank) (
63)? Clamp. On the other hand, the return oil side is the unclamp chamber (6) of the tool post turret clamp cylinder (60).
The pressure oil of 2) passes through UN and joins the pressure oil of the unclamp oil chamber of the index cylinder αG, and is connected to the A2 of the electromagnetic switching valve (7).
→It is returned to the tank from the T2 port. At this time, the pressure oil flowing from the P port to the electromagnetic switching valve (51) is ff (51)
In addition, at this valve position, the AI + Bl + 'rt boat of the electromagnetic switching valve (51) is communicated with the inner groove 0■ of the indexing cylinder 00, but the inner circumference The groove 02 and the throttle groove ■ provided in the indexing cylinder 02 are not in communication with each other, and the inner circumferential groove (to) of the indexing cylinder 00 and the hydraulic motor (52
)'s drain (59) is communicated with the T port and is left unloaded.

次に回動割出しを行う場合、まず最初にスタート信号に
より電磁切換弁(7)、および、必要な回転方向となる
よう電磁切換弁(51)の左右何れかに同時に通電され
ると、圧油は電磁切換弁間のP2−A2と流れるが、電
磁切換弁(51)の2里から油圧モータ(52)→T1
−割出しシリンダーαQの内周溝02までの間は、内周
溝Q2が閉じt状態にあるので圧油は流れない。前記電
磁切換弁−のP2−A2からの圧油は絞り(至)を通り
割出しシリンダーαQのアンクランプ油室−へ入り、割
出しピンQ℃を図でみて左方向へ移動させようとする力
FUとして作用するが、同時にUNポートより刃物台タ
レット(63)のクランプシリンダー(60)のアンク
ランプ室(62)に導かれt圧油け、クランプシリンダ
ー(60)のピストン(65)を上方に移動し、クラン
プシリンダー(60)のクランプ室(61)内の油が押
出され、OLポートを通り、割出しシリンダーαQの内
周溝端から開口部9■、Ol)を通りB、 −e T、
と流れるが開口部(/L→での絞り作用及びアンクラン
プ油室−はクランプ油室QCJより受圧面積が小さいの
で、内周溝(7)およびクランプ油室(至)側の油圧力
は「前記割出しピン?刀を左方向へ移動させようとする
力FU≦割出しピンel)を右方向へ移動させようとす
る力FcJの関係となるように上昇し、割出しピンクη
の現状位fは刃物台タレットクランプシリンダー(60
)がアンクランプ動作を完了し、クランプ室(61)か
らの油の流出が無くなるまで保之れている。そして刃物
台タレットクランプシリンダー(60)のクランプ室(
61)からの油の流出が無くなると、クランプ室(61
)及びクランプ油室(至)は共に開口部αηからTに通
じて圧力が下るので、前記割出しピンf2℃を移動させ
ようとする力関係はr FU > FCJとなり、割出
しピン0のを左方向に移動させ、割出し板−の外周に設
けられている凹部より割出しピンQ1Jの先端凸部を外
し、出力軸(ハ)を回転フリーな状態にする。一方前記
割出しシリンダー00の内周溝02は、割出しピン(財
)が左方向へ移動すると絞り溝■、内周溝(ト)、Tと
つながり、油圧モータ(52)に供給されていた圧油が
流れ、油圧モータ(52)が回転し、減速装置(53)
、出力軸(ハ)、刃物台タンク) (63)と回転伝達
され、刃物台タレットが回動する。続いて必要割出し位
置゛に対し、所定の位置まで回動じた時点で、減速信号
指令により電磁切換9f−■の電気が切れると、圧油は
P2→Btに切換り、割出しピン2υが第4図に示すよ
うな状態にある割出しシリンダーα0の内周溝0υから
貫通孔(ト)を通り、クランプ油室α場に入り、割出し
ピンeTJを割出飯器側方向へ移動させ、第5図に示す
如く、割出しピンf2℃の先端凸部(至)が割出し板@
の外周に接した状態になると共に油圧モータ(52)の
戻り側の圧油が、割出しピンQ1Jの絞り溝(財)によ
り徐々に所定の流量に絞られ、油圧モータ(52)の回
転が減速し、低速回転になる。
Next, when performing rotational indexing, first the electromagnetic switching valve (7) is energized by the start signal, and then either the left or right side of the electromagnetic switching valve (51) is simultaneously energized so that the required rotation direction is achieved. Oil flows from P2-A2 between the electromagnetic switching valves, but from the 2-ri of the electromagnetic switching valve (51) to the hydraulic motor (52) → T1
- Pressure oil does not flow until the inner circumferential groove 02 of the index cylinder αQ because the inner circumferential groove Q2 is in the closed state. The pressure oil from P2-A2 of the electromagnetic switching valve passes through the throttle and enters the unclamp oil chamber of the indexing cylinder αQ, trying to move the indexing pin Q°C to the left as seen in the diagram. It acts as a force FU, but at the same time, pressure oil is guided from the UN port to the unclamp chamber (62) of the clamp cylinder (60) of the tool post turret (63), causing the piston (65) of the clamp cylinder (60) to move upward. The oil in the clamp chamber (61) of the clamp cylinder (60) is pushed out, passes through the OL port, and passes from the inner circumferential groove end of the indexing cylinder αQ to the opening 9■, Ol) B, -e T ,
However, the throttle action at the opening (/L→ and the unclamping oil chamber) has a smaller pressure-receiving area than the clamp oil chamber QCJ, so the hydraulic pressure on the inner circumferential groove (7) and clamp oil chamber (toward) side is The index pin increases so that the force FU≦index pin el) which tries to move the sword to the left is in the relationship FcJ which tries to move the sword to the right, and the index pink η
The current position f is the tool post turret clamp cylinder (60
) is maintained until the unclamping operation is completed and oil no longer flows out from the clamp chamber (61). And the clamp chamber of the tool post turret clamp cylinder (60) (
When oil stops flowing out from the clamp chamber (61)
) and the clamp oil chamber (to) both pass from the opening αη to T and the pressure decreases, so the force relationship that tries to move the index pin f2°C becomes r FU > FCJ, and the index pin 0 Move it to the left to remove the protrusion at the tip of the indexing pin Q1J from the recess provided on the outer periphery of the indexing plate, thereby making the output shaft (c) free to rotate. On the other hand, when the indexing pin moves to the left, the inner circumferential groove 02 of the indexing cylinder 00 connects with the throttle groove ■, the inner circumferential groove (g), and T, and is supplied to the hydraulic motor (52). Pressure oil flows, the hydraulic motor (52) rotates, and the reduction gear (53)
, the output shaft (c), and the tool post tank) (63), and the tool post turret rotates. Next, when the required indexing position has been rotated to a predetermined position, when the electromagnetic switch 9f-■ is turned off by the deceleration signal command, the pressure oil is switched from P2 to Bt, and the indexing pin 2υ is turned off. Pass through the through hole (G) from the inner circumferential groove 0υ of the indexing cylinder α0 in the state shown in Fig. 4, enter the clamp oil chamber α field, and move the indexing pin eTJ toward the side of the indexing rice cooker. , as shown in Fig. 5, the tip convex part (to) of the index pin f2°C is the index plate @
At the same time, the pressure oil on the return side of the hydraulic motor (52) is gradually throttled to a predetermined flow rate by the throttle groove of the index pin Q1J, and the rotation of the hydraulic motor (52) is stopped. It decelerates and rotates at a low speed.

続いて割出し板−の外周に設けられた凹溝部0ηが割出
しピン?υの位置まで回転し、割り出しピンQ℃先端凸
部が割出し飯田の外周に設けられた凹溝に入ると共に油
圧モータ(52)の戻り側の圧油は絞り溝■が閉じるの
で流れなくなり油圧モータ(52)の回転が停止する。
Next, the concave groove 0η provided on the outer periphery of the index plate is the index pin? When the index pin rotates to the position υ, the convex tip of the index pin Q℃ enters the concave groove provided on the outer periphery of the index Iida, and the pressure oil on the return side of the hydraulic motor (52) closes the throttle groove ■, so it stops flowing and the oil pressure decreases. Rotation of the motor (52) stops.

また同時に割出しシリンダー〇〇の内周溝Ovと割出し
ピン?υの外周溝(ロ)との開口部0υが開き、圧油は
内周溝端からOLボートへ流れ、刃物台タレットクラン
プシリンダー(60)のクランプ室(61)に入り、刃
物台タレット(63)がクランプ状態になり位置決め割
出しが終了する。
Also, at the same time, the inner circumferential groove Ov of the indexing cylinder 〇〇 and the indexing pin? The opening 0υ between υ and the outer groove (B) opens, and the pressure oil flows from the inner groove end to the OL boat, enters the clamp chamber (61) of the tool post turret clamp cylinder (60), and is inserted into the tool post turret (63). is in a clamped state and positioning and indexing is completed.

(発明の効果) 以上説明したように、本発明によると出力軸の位置決め
割出しをバックラツシなしの高精度に行うと共に、油圧
割出し装置と協働するクランプシリンダーのクランプ、
アンクランプ動作を行わせるための接続ポートは、UN
ボート、OLボートの2個で前記クランプシリンダーの
クランプ、アンクランプ動作と、油圧割出し装置の割出
し機構のクランプ、アンクランプ動作および回動動作と
の連係動作を、余計な検出装置を必要とせずに迅速、確
実に行わせることができる油圧割出し装置となっている
ので、割出し動作時間の短縮かでき、ま九相手機械装置
の部品点数並びに組立工数の減少にもなり、組付が容易
になると共に機構も簡素化、コンパクト化できるものと
なり、まt接続ボートを3個有するインターロックシリ
ンダーを必要としない油圧割出し装置を提供するものと
なった。
(Effects of the Invention) As explained above, according to the present invention, the positioning and indexing of the output shaft is performed with high accuracy without backlash, and the clamping of the clamp cylinder that cooperates with the hydraulic indexing device is performed.
The connection port for unclamping is UN
The two units, the boat and the OL boat, can perform the linked operation between the clamping and unclamping operations of the clamp cylinder and the clamping, unclamping and rotational operations of the indexing mechanism of the hydraulic indexing device without the need for an extra detection device. Since it is a hydraulic indexing device that can quickly and reliably perform the indexing operation without any problems, the indexing operation time can be shortened, and the number of parts and assembly man-hours of the mating machine can be reduced, making assembly easier. In addition to being easy to use, the mechanism can be simplified and compact, and a hydraulic indexing device that does not require an interlock cylinder having three connecting boats is provided.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明の実施例油圧割出し装置をN。 機械の刃物台タレット割出しクランプシリンダーに使用
し友ときの油圧回路図を示し、第2図は第1図に示す油
圧割出し装置の作動線図を示し、第3図乃至第5図は第
1図に示す割出し機構のA7A線に沿っt要部拡大断面
図でそれぞれ異る作動位置を示す。 16・・・割出しシリンダー  19・・・クランプ油
室20・・・アンクランプ油室  21・・・割出しピ
ン23・・・割出し板    24・・・出力軸30.
31・・・内周溝(透り装置) 34・・・円周溝(送り装置)37・・・凹溝(係例0
45・・・貫通孔(送り装置)52・・・油圧モータ5
3・・・遊星減速装置   54・・・割出し機構60
・・・クランプシリンダー 61・・・クランプ室62
・・・アンクランプ室 代理人 弁理士  河 内 潤 二 T 第2図 ヱニ/j5g。
FIG. 1 shows a hydraulic indexing device according to an embodiment of the present invention. A hydraulic circuit diagram for use in a machine's tool post turret indexing clamp cylinder is shown, FIG. 2 is an operating diagram of the hydraulic indexing device shown in FIG. 1, and FIGS. 3 to 5 are FIG. 1 is an enlarged cross-sectional view of the main part of the indexing mechanism shown in FIG. 1 along line A7A, showing different operating positions. 16... Index cylinder 19... Clamp oil chamber 20... Unclamp oil chamber 21... Index pin 23... Index plate 24... Output shaft 30.
31...Inner circumferential groove (transparent device) 34...Circumferential groove (feeding device) 37...Concave groove (related case 0
45...Through hole (feeding device) 52...Hydraulic motor 5
3... Planetary reduction gear 54... Indexing mechanism 60
... Clamp cylinder 61 ... Clamp chamber 62
...Unclamp Office Representative Patent Attorney Jun Kawauchi 2T Figure 2 Eni/j5g.

Claims (1)

【特許請求の範囲】[Claims] 1)油圧モータと、油圧モータにより駆動される遊星減
速装置と、遊星減速装置の出力軸の回転位置決めを行う
割出し機構とを含み、前記割出し機構は、前記遊星減速
装置の出力軸と同期して回転する割出し板と割出し板外
周に設けた係合部に挿入可能な割出しピンを配設した割
出しシリンダーとを含む、油圧割出し装置において、前
記割出しシリンダーのクランプ油室とクランプ油室より
少い受圧面積のアンクランプ油室とはそれぞれ油圧割出
し装置と協働するクランプシリンダーのクランプ室とア
ンクランプ室とそれぞれ連通され、かつクランプ油室の
圧力が上昇してから圧油をクランプ室に送る装置を含む
ことを特徴とする油圧割出し装置。
1) A hydraulic motor, a planetary reduction gear driven by the hydraulic motor, and an indexing mechanism for rotationally positioning an output shaft of the planetary reduction gear, the indexing mechanism being synchronized with the output shaft of the planetary reduction gear. In a hydraulic indexing device, the hydraulic indexing device includes an indexing plate that rotates and an indexing cylinder provided with an indexing pin that can be inserted into an engaging portion provided on the outer periphery of the indexing plate. The unclamping oil chamber, which has a smaller pressure-receiving area than the clamping oil chamber, communicates with the clamping chamber and unclamping chamber of the clamp cylinder that cooperate with the hydraulic indexing device, respectively, and after the pressure in the clamping oil chamber rises. A hydraulic indexing device characterized in that it includes a device for sending pressure oil to a clamp chamber.
JP61303854A 1986-12-22 1986-12-22 Hydraulic indexing device Expired - Lifetime JP2552467B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61303854A JP2552467B2 (en) 1986-12-22 1986-12-22 Hydraulic indexing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61303854A JP2552467B2 (en) 1986-12-22 1986-12-22 Hydraulic indexing device

Publications (2)

Publication Number Publication Date
JPS63156644A true JPS63156644A (en) 1988-06-29
JP2552467B2 JP2552467B2 (en) 1996-11-13

Family

ID=17926095

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61303854A Expired - Lifetime JP2552467B2 (en) 1986-12-22 1986-12-22 Hydraulic indexing device

Country Status (1)

Country Link
JP (1) JP2552467B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0549241U (en) * 1991-11-29 1993-06-29 株式会社不二越 Hydraulic indexing device
JP2005288612A (en) * 2004-03-31 2005-10-20 Makino Milling Mach Co Ltd Control method of nc machine tool having index table and nc machine tool
JP2009279753A (en) * 2008-04-29 2009-12-03 Maschinenfabrik Berthold Hermle Ag Machining center with rotatable and pivotable workpiece table having clamping device of rotation axis
JP2021010951A (en) * 2019-07-03 2021-02-04 オークマ株式会社 Main spindle device for composite processing machine

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5852302U (en) * 1981-10-03 1983-04-09 株式会社大隈鐵工所 rapid clamping device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5852302U (en) * 1981-10-03 1983-04-09 株式会社大隈鐵工所 rapid clamping device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0549241U (en) * 1991-11-29 1993-06-29 株式会社不二越 Hydraulic indexing device
JP2005288612A (en) * 2004-03-31 2005-10-20 Makino Milling Mach Co Ltd Control method of nc machine tool having index table and nc machine tool
JP4666936B2 (en) * 2004-03-31 2011-04-06 株式会社牧野フライス製作所 NC machine tool control method having indexing table and NC machine tool
JP2009279753A (en) * 2008-04-29 2009-12-03 Maschinenfabrik Berthold Hermle Ag Machining center with rotatable and pivotable workpiece table having clamping device of rotation axis
JP2021010951A (en) * 2019-07-03 2021-02-04 オークマ株式会社 Main spindle device for composite processing machine

Also Published As

Publication number Publication date
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