JPH06328300A - Clutch for press machine - Google Patents

Abstract

PURPOSE:To extend the life time of a clutch for multi-disk press machine and to prevent generation of troubles. CONSTITUTION:An outside and inside receiving plates 33 and 34 which are turned together with a fly wheel 1 holding both outside surfaces of outside and inside friction plates 31 and 32 which are turned together with a turning shaft 2 are provided in the axial direction in a state in which they are freely slided. An air cylinder 4 is held between both friction plates to be freely slided together with the friction plates in the axial direction. By supplying compressed air to the air cylinder 4, a piston 43 is extended to be abutted on both friction plates 31 and 32 and a turning torque is equally transmitted to both sides. Thus, the life time is extended since the friction plates are equally cooled and weared. It is difficult to generate troubles such as abnormal heating, smoking and repetitive knocking during operation since heat strain and half clutch are not generated.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【産業上の利用分野】本発明はプレス機械の駆動力を伝
達するクラッチ機構に係るが、この発想はプレス機械の
ブレーキに対しても転用が可能である。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a clutch mechanism for transmitting a driving force of a press machine, but this idea can be applied to a brake of the press machine.

【０００２】[0002]

【従来の技術】プレス機械はプレス作業を実施するため
に強大な駆動力を必要とするので、プレスのスライドを
直接昇降させるために駆動機を直結することは避け、所
期の作業を達成するのに十分なエネルギーを蓄えるため
にフライホイルを適用するのが普通である。フライホイ
ルから回転軸、すなわちクランクシャフトへ回転を伝達
したり遮断したりする伝導作用を受け持つのがクラッチ
部であり、プレスのフライホイルはきわめて重量が大き
く、伝達する回転トルクも非常に大きいので、その構造
には多くの課題が残っている。また、その課題の解決を
目指した提案もまた、いくつか散見することができる。2. Description of the Related Art Since a press machine requires a large driving force to carry out a press work, it is not necessary to directly connect the drive machine to directly move the slide of the press up and down, and the desired work is achieved. It is common to apply a flywheel to store enough energy to store. It is the clutch that is responsible for the transmission of transmission and interruption of rotation from the flywheel to the rotating shaft, that is, the crankshaft.The flywheel of the press is extremely heavy and the rotating torque that it transmits is also very large. Many challenges remain in its structure. Moreover, some proposals aimed at solving the problem can also be seen.

【０００３】たとえば、図２に示すのは実公昭６２−４
５８４０号公報の従来技術であり、駆動軸２ａと摩擦板
３１ａの接合面に設けた複数個のピン孔へピン１０１を
両端を抜けないようにシールして挿入し、該摩擦板３１
ａはピン孔を設けた内側縁部の厚みがピンの長さよりも
短く形成されて軸方向へ摺動可能であることを特徴とし
ている。これによって摩擦板は軸方向に移動してフライ
ホイル１ａと圧接状態のときにフライホイルの回転力を
駆動軸へ伝え、しかも回転トルクは位相のずれがなくな
って伝達できるので信頼性の高いクラッチになったと謳
っている。For example, FIG. 2 shows a Japanese Utility Model Publication No. 62-4.
In the prior art of Japanese Patent No. 5840, the pin 101 is sealed and inserted into a plurality of pin holes provided on the joint surface between the drive shaft 2a and the friction plate 31a so as not to come out of both ends, and the friction plate 31 is inserted.
The feature a is characterized in that the inner edge portion provided with the pin hole is formed to have a thickness shorter than the length of the pin and is slidable in the axial direction. As a result, the friction plate moves in the axial direction to transmit the rotational force of the flywheel to the drive shaft when it is in pressure contact with the flywheel 1a, and the rotational torque can be transmitted without any phase shift, making it a highly reliable clutch. It is said that it has become.

【０００４】しかし、近年、プレスの生産性向上を求め
る要望はますます高くなる一方であり、高速運転と成形
比の増大で対応していくには、駆動力の大幅な増強と迅
速で信頼性の高いトルク伝達が必須の条件となってきて
いる。クラッチに求められる能力はさらに苛酷なものと
なるので、従来のような１枚の摩擦板でフライホイルと
回転軸との回転力の断続を賄うには膨大な摩擦面が計算
上必要であり、現実的にそのような大径の摩擦板をクラ
ッチに組み込むことは不可能に近いという限界に直面す
る。However, in recent years, the demand for improved press productivity is ever increasing, and in order to respond to high-speed operation and an increase in molding ratio, a drastic increase in driving force and rapid and reliable operation are possible. High torque transmission is becoming an essential condition. Since the capacity required for a clutch becomes even more severe, a huge friction surface is required for calculation in order to cover the discontinuity of the rotational force between the flywheel and the rotary shaft with a single friction plate as in the past. In reality, it is almost impossible to incorporate such a large-diameter friction plate in a clutch.

【０００５】このために近年の業界では１セットのクラ
ッチに２枚以上の複数の摩擦板を並列に対向させ、それ
ぞれが単一の摩擦板としての作用を担当すれば、クラッ
チ全体としては従来の２倍以上の能力に向上することが
できるという発想が現われた。この型式のクラッチの一
つが特公昭４２−７７５１号公報に提案されているとこ
ろから見ても、その開発の歴史は必ずしも新しいとはい
えないが、近年はこの多板式のクラッチについても様々
な改善が加えられて図３に示すような構造が現在一般的
に使用されている。図において、本体５ｂ内で回転する
のが回転軸２ｂ、駆動機（図示せず）の駆動力を受けて
回転するのがフライホイル１ｂ、そしてフライホイルの
回転トルクを回転軸へ断続するのがクラッチ３ｂであ
る。クラッチ３ｂは図のように回転軸と共回りするクラ
ッチハブ２１ｂへ並行に対向して立設された２枚の外摩
擦板３１ｂと内摩擦板３２ｂとを具え、両板に挟まれて
中間受け板１０２がクラッチケース３５ｂと共回りして
介装されている。外摩擦板３１ｂ、内摩擦板３２ｂの内
周面はクラッチハブ２１ｂの外周面と軸線方向へ摺動自
在に噛合し、中間受け板１０２、内受け板３４ｂ、およ
びピストン１０３の外周面はクラッチケース３５ｂの内
周面と軸線方向へ摺動自在に噛合している。For this reason, in the recent industry, if two or more friction plates are opposed to each other in parallel to one set of clutches and each of them functions as a single friction plate, the clutch as a whole will not have the conventional structure. The idea that the ability could be more than doubled appeared. Even if one of the clutches of this type is proposed in Japanese Examined Patent Publication No. Sho 42-7751, the development history is not necessarily new, but in recent years, various improvements have been made to the multi-plate clutch. The structure shown in FIG. 3 is commonly used at present. In the figure, the rotary shaft 2b rotates within the main body 5b, the flywheel 1b rotates under the driving force of a driving machine (not shown), and the rotary torque of the flywheel is intermittently applied to the rotary shaft. It is the clutch 3b. The clutch 3b is provided with two outer friction plates 31b and inner friction plates 32b which are erected parallel to and opposed to the clutch hub 21b which rotates together with the rotation shaft as shown in the figure. The plate 102 is interposed together with the clutch case 35b. The inner peripheral surfaces of the outer friction plate 31b and the inner friction plate 32b mesh with the outer peripheral surface of the clutch hub 21b slidably in the axial direction, and the outer peripheral surfaces of the intermediate receiving plate 102, the inner receiving plate 34b, and the piston 103 are clutch cases. It is meshed with the inner peripheral surface of 35b slidably in the axial direction.

【０００６】ピストン１０３は本体側に装着した空圧給
排器４６ｂと給排管４７ｂで連結しているので、フライ
ホイルの回転トルクを伝達するときには圧気を供給して
ピストン１０３を図の左方へ向かって押圧して軸線と並
行に摺動し、外摩擦板３１ｂ、中間受け板１０２、内摩
擦板３２ｂの順序で押圧力が伝達して摺動し、最後に内
受け板３４ｂの表面とピストンの内面との間で２枚の摩
擦板を挾圧して回転トルクを摩擦板、クラッチハブを介
して回転軸に伝達する構成となっているのである。な
お、空圧の供給が切られるとピストンを押圧していた横
向けの付勢力が失われ、クラッチカバー３７ｂを貫通す
るねじボルトを図の右方へ付勢しているスプリング１０
４のためにピストン１０３は右方へ引き寄せられ、クラ
ッチは切れた状態となって回転トルクはフライホイルか
ら回転軸へ伝達されない。Since the piston 103 is connected to the pneumatic supply / exhaust device 46b mounted on the main body side by the supply / exhaust pipe 47b, when the rotational torque of the flywheel is transmitted, compressed air is supplied to move the piston 103 to the left side in the figure. It pushes toward and slides in parallel with the axis, and the pressing force is transmitted and slides in the order of the outer friction plate 31b, the intermediate receiving plate 102, and the inner friction plate 32b, and finally the surface of the inner receiving plate 34b. The two friction plates are pressed between the piston and the inner surface of the piston, and the rotational torque is transmitted to the rotary shaft via the friction plates and the clutch hub. When the supply of air pressure is cut off, the lateral biasing force pressing the piston is lost, and the spring 10 biasing the screw bolt penetrating the clutch cover 37b to the right in the figure.
Therefore, the piston 103 is pulled to the right because of 4, and the clutch is disengaged, so that the rotational torque is not transmitted from the flywheel to the rotary shaft.

【０００７】[0007]

【発明が解決しようとする課題】摩擦板を２枚以上の複
数とすれば、板の直径を大きくしなくてもトルク伝達に
有効な摩擦面積が倍増し、従来より遥かに強大な駆動力
の伝達が可能となる。その点は高く評価できるが、摩擦
板の押圧が一方向からのピストンの移動によるものであ
るから、押圧力は外摩擦板３１ｂ、中間受け板１０２、
内摩擦板３２ｂの順で伝達されていくことは本質的に免
れない。そのために２枚の摩擦板のうち、外摩擦板３１
ｂに比べて内摩擦板３２ｂの摩耗量が際立って大きくな
り、両者の損耗に大きな不均衡が生じる。特に外摩擦板
３１ｂには摩擦によって発生する摩擦熱が、隣接するピ
ストンへ加わる圧縮空気のために冷却効果を受けて緩和
されるのに対し、内摩擦板３２ｂにはこの冷却効果が及
ぶ余地がないから、外摩擦板３１ｂに比べると摩擦によ
る温度上昇が甚だしい。このように内外の温度の不均衡
が生じて内摩擦板３２ｂの摩耗だけが著しく進行し、メ
ンテナンス上の大きな難点となる。If two or more friction plates are used, the friction area effective for torque transmission is doubled without increasing the diameter of the plates, resulting in a drive force much larger than the conventional one. Communication is possible. Although this point can be highly evaluated, since the pressing of the friction plate is due to the movement of the piston from one direction, the pressing force is the external friction plate 31b, the intermediate receiving plate 102,
The transmission in the order of the inner friction plate 32b is essentially inevitable. Therefore, of the two friction plates, the outer friction plate 31
The amount of wear of the inner friction plate 32b becomes significantly larger than that of b, resulting in a large imbalance in the wear of both. In particular, the frictional heat generated by the friction on the outer friction plate 31b is relaxed by the cooling effect due to the compressed air applied to the adjacent piston, while the inner friction plate 32b has room for this cooling effect. Therefore, the temperature rise due to friction is greater than that of the outer friction plate 31b. In this way, the internal and external temperature imbalances occur, and only the wear of the internal friction plate 32b significantly progresses, which is a great difficulty in maintenance.

【０００８】内摩擦板３２ｂと外摩擦板３１ｂに挟まれ
た中間受け板１０２は両側面の温度が異なるから一様に
昇温せず、その結果熱歪みが発生する。この歪みは中間
受け板の板厚が薄いほど大きくなり、時には板そのもの
がクラッチ内で傾く状態にまで変形することもある。摩
擦面との接触面が均等な接触となるのを妨げるだけでな
く、中間受け板とクラッチケース３５ｂとの噛合が外れ
て駆動の伝達に異常が起こり、クラッチを切ったにも拘
らず半クラッチとなって発熱、発煙の原因となったり、
半クラッチのために二度打ちの誤動作が生じるという容
易ならぬ事態を誘発する。Since the intermediate receiving plate 102 sandwiched between the inner friction plate 32b and the outer friction plate 31b has different temperatures on both side surfaces, the temperature does not rise uniformly, resulting in thermal distortion. This distortion increases as the plate thickness of the intermediate receiving plate becomes thinner, and sometimes the plate itself is deformed to the state of tilting in the clutch. Not only does this prevent the contact surface with the friction surface from being evenly contacted, but the meshing between the intermediate receiving plate and the clutch case 35b is disengaged, and abnormal drive transmission occurs. May cause fever and smoke,
The half-clutch causes a difficult situation in which a double-stroke malfunction occurs.

【０００９】本発明は以上に述べた課題を解決するため
に、２枚以上の複数の摩擦板を使用する多板型式のクラ
ッチにおいて何れ摩擦板の摩耗もほぼ均等に進行し、半
クラッチ現象が起こらないために発熱、発煙、二度打ち
などの異常事態を回避できるプレス機械のクラッチ装置
の提供を目的とする。In order to solve the above-mentioned problems, the present invention provides a multi-plate type clutch using two or more friction plates, in which the wear of the friction plates progresses almost evenly and a half-clutch phenomenon occurs. An object of the present invention is to provide a clutch device for a press machine that can avoid abnormal situations such as heat generation, smoke generation, and double strikes because it does not occur.

【００１０】[0010]

【課題を解決するための手段】本発明に係るプレス機械
のクラッチは、回転軸２と共回りしつつ軸線方向へ摺動
自在に噛合して並行に対向する外摩擦板３１、内摩擦板
３２と、フライホイル１と共回りしつつ軸線方向へ摺動
自在に噛合し外摩擦板３１の外面、および内摩擦板３２
の内面と対向する外受け板３３、内受け板３４と、フラ
イホイル１と共回りしつつ軸線方向へ摺動自在に噛合し
外受け板３３の内面および内受け板３４の外面と接離自
在に対向するエアシリンダー４とからなることによって
前記の課題を解決した。A clutch of a press machine according to the present invention is an outer friction plate 31 and an inner friction plate 32 which are co-rotating with a rotating shaft 2 and are slidably engaged in the axial direction and opposed in parallel. And an outer surface of the outer friction plate 31 and an inner friction plate 32 that mesh with the flywheel 1 while slidably engaging in the axial direction.
The outer receiving plate 33 and the inner receiving plate 34, which face the inner surface of the, are meshed with the flywheel 1 while being slidably engaged in the axial direction while being able to come in contact with and separate from the inner surface of the outer receiving plate 33 and the outer surface of the inner receiving plate 34. The above-mentioned problem is solved by the air cylinder 4 facing the above.

【００１１】この構成において、エアシリンダー４はシ
リンダー部４１の外周面がクラッチケース３５の内歯３
６と噛合する外歯４２よりなり、該シリンダー部４１へ
伸縮自在に内嵌するピストン４３の突出した底板４４の
外周面も外歯４５を具えて一体的に軸線方向へ摺動自在
に係合し、本体５に装着した空圧給排器４６と給排管４
７を介して断続自在に連結していることが、きわめて好
ましい実施例である。In this construction, the outer peripheral surface of the cylinder portion 41 of the air cylinder 4 is the inner teeth 3 of the clutch case 35.
6, the outer peripheral surface of the bottom plate 44 protruding from the piston 43, which is fitted in the cylinder portion 41 in a telescopic manner, is also provided with the outer tooth 45 so as to be integrally slidably movable in the axial direction. The pneumatic supply / discharge device 46 and the supply / discharge pipe 4 attached to the main body 5
It is a very preferred embodiment to be connected intermittently via 7.

【００１２】[0012]

【作用】本発明に係るクラッチでは、２枚の摩擦板の間
に中間受け板がなくエアシリンダーが介装されているか
ら、エアシリンダーが作動すると外摩擦板３１に対して
はシリンダー部の頂面が押圧し、内摩擦板３２に対して
はピストンの底板が押圧し、両者を均等に押して作動空
気による冷却作用も両者へ等しく働くから、摩擦板の摩
擦熱は同様に緩和され両板の摩耗は均等に進行する。こ
のように従来は頻発の恐れが拭い切れなかった中間受け
板の異常な変形に基ずく半クラッチ状態の誘発がなくな
り、常に信頼できるクラッチ作用が確保される。In the clutch according to the present invention, since there is no intermediate receiving plate between the two friction plates and the air cylinder is interposed, when the air cylinder is operated, the top surface of the cylinder portion with respect to the outer friction plate 31 is moved. Since the bottom plate of the piston presses against the inner friction plate 32 and presses both of them evenly, and the cooling action of the working air acts on both of them equally, the friction heat of the friction plates is similarly eased and the wear of both plates is prevented. Proceed evenly. In this way, the induction of the half-clutch state due to the abnormal deformation of the intermediate receiving plate, which has not been wiped out in the past, is eliminated, and a reliable clutch action is always ensured.

【００１３】[0013]

【実施例】図１は本発明の実施例を示す縦断正面図であ
る。ここでは２枚の摩擦板である外摩擦板３１、内摩擦
板３２を例示しているが、特に限定するものではなく複
数枚数の摩擦板であれば、基本的には作用、効果に変る
ところはない。図は、プレス機械の本体５に軸支された
回転軸２に対し、図示しない駆動機からの回転トルクを
蓄えたフライホイル１を伝達するクラッチ３を示してい
る。クラッチ３の詳細を説明すると、回転軸２と共回り
するクラッチハブ２１の外周面に刻設した外歯２２と噛
合する外摩擦板３１と内摩擦板３２が軸線方向へ摺動自
在に垂直に並列し、外摩擦板３１の外面は外受け板３３
の内面と、また、内摩擦板３２の内面は内受け板３４の
外面と接離自在に対向している。外受け板３３と内受け
板３４はクラッチケース３５の内周面に刻設された内歯
３６と噛合する外歯を周設している。1 is a vertical sectional front view showing an embodiment of the present invention. Here, the outer friction plate 31 and the inner friction plate 32, which are two friction plates, are illustrated, but the number of friction plates is not particularly limited, and basically the action and the effect are changed. There is no. The figure shows a clutch 3 that transmits a flywheel 1 that stores a rotational torque from a drive machine (not shown) to a rotary shaft 2 that is axially supported by a main body 5 of a press machine. Explaining the details of the clutch 3, an outer friction plate 31 and an inner friction plate 32, which mesh with the outer teeth 22 formed on the outer peripheral surface of the clutch hub 21 that rotates together with the rotating shaft 2, are vertically slidable in the axial direction. Side by side, the outer surface of the outer friction plate 31 is the outer receiving plate 33.
The inner surface of the inner friction plate 32 and the inner surface of the inner friction plate 32 face the outer surface of the inner receiving plate 34 in a freely contactable and separable manner. The outer receiving plate 33 and the inner receiving plate 34 are provided with outer teeth which mesh with inner teeth 36 formed on the inner peripheral surface of the clutch case 35.

【００１４】外摩擦板３１と内摩擦板３２の間にエアシ
リンダー４を介装している。エアシリンダー４はシリン
ダー部４１と、この中へ進退自在に嵌合しているピスト
ン４３とからなり、シリンダー部の外周面には外歯４２
が刻設されてクラッチケースの内歯３６と噛合し、ピス
トンの底板４４の外周面にも外歯４５が刻設されて内歯
３６と噛合しているので、エアシリンダー４は一体的に
軸線と平行に摺動できる。エアシリンダー４のシリンダ
ー部の頂面とピストンの底板とが、フリクションデスク
の役割を務め両摩擦板の摩擦面と圧接または離脱して回
転トルクを伝達または遮断するが、このエアシリンダー
の作動はクラッチカバー３７に取り付けられた空圧給排
器４６によって駆動され、給排管４７を通じてシリンダ
ー部内でピストン４３を軸線方向に滑動させて両摩擦板
を均等に押圧する。The air cylinder 4 is interposed between the outer friction plate 31 and the inner friction plate 32. The air cylinder 4 is composed of a cylinder portion 41 and a piston 43 fitted in the cylinder portion 41 so as to be able to move back and forth therein.
Is engraved and meshes with the internal teeth 36 of the clutch case, and the external teeth 45 are also engraved on the outer peripheral surface of the bottom plate 44 of the piston and meshes with the internal teeth 36. Can slide in parallel with. The top surface of the cylinder portion of the air cylinder 4 and the bottom plate of the piston serve as a friction desk to press or separate from the friction surfaces of both friction plates to transmit or cut rotational torque. It is driven by an air pressure supply / discharge device 46 attached to the cover 37, and the piston 43 is slid axially in the cylinder portion through the supply / discharge pipe 47 to uniformly press both friction plates.

【００１５】内受け板３４の外面とピストン底板４４と
の間に内スプリング４８が挾在し、また、外受け板３３
とシリンダー部頂面との間に外スプリング４９が挾在し
ているので、空圧給排器から圧縮空気が圧入すると両ス
プリングの付勢力を押し戻してピストンを移動するが、
空気が排出されるとスプリングの付勢力のために外摩擦
板３１と内摩擦板３２はエアシリンダーの両面および内
受け板３４と外受け板３３の両面からも引き離されてク
ラッチは切れ、フライホイルの回転トルクは伝達されな
い。An inner spring 48 is interposed between the outer surface of the inner receiving plate 34 and the piston bottom plate 44, and the outer receiving plate 33 is also provided.
Since the outer spring 49 is interposed between the cylinder and the top surface of the cylinder portion, when compressed air is pressed in from the pneumatic supply / discharge device, the urging force of both springs is pushed back to move the piston.
When the air is discharged, the outer friction plate 31 and the inner friction plate 32 are separated from both sides of the air cylinder and both sides of the inner receiving plate 34 and the outer receiving plate 33 due to the biasing force of the spring, the clutch is released, and the flywheel. Is not transmitted.

【００１６】[0016]

【発明の効果】本発明に係るプレス機械のクラッチは以
上に述べたように複数の摩擦板型式によって装置全体の
直径の増大なくして伝達可能な回転トルクを倍増した
が、複数の摩擦板の摩耗はいずれもほぼ均等に進行し、
結果的には摩耗による取り替えの時期を延長しメンテナ
ンス上きわめて有利な条件を生み出す。また、プレス機
械の運転中に半クラッチなどに起因する異常事態の生じ
るおそれがなくなり、信頼性の高いクラッチとしてプレ
ス機械の高速化、生産性の向上に貢献する効果がある。As described above, the clutch of the press machine according to the present invention doubles the rotational torque that can be transmitted by the plurality of friction plate types without increasing the diameter of the entire apparatus. All proceed almost equally,
As a result, the time for replacement due to wear is extended and conditions extremely advantageous for maintenance are created. In addition, there is no possibility that an abnormal situation due to a half clutch or the like will occur during the operation of the press machine, and as a highly reliable clutch, there is an effect of contributing to speeding up of the press machine and improvement of productivity.

【図面の簡単な説明】[Brief description of drawings]

【図１】本発明の実施例の縦断正面図である。FIG. 1 is a vertical sectional front view of an embodiment of the present invention.

【図２】従来技術を示す縦断正面図である。FIG. 2 is a vertical sectional front view showing a conventional technique.

【図３】別の従来技術を示す縦断正面図である。FIG. 3 is a vertical sectional front view showing another conventional technique.

【符号の説明】[Explanation of symbols]

１ フライホイル ２ 回転軸 ３ クラッチ ４ エアシリンダー ５ 本体 21 クラッチハブ 22 外歯（クラッチハブ） 31 外摩擦板 32 内摩擦板 33 外受け板 34 内受け板 35 クラッチケース 36 内歯（クラッチケース） 37 クラッチカバー 38 外歯（外受け板） 39 外歯（内受け板） 41 シリンダー部 42 外歯（シリンダー部） 43 ピストン 44 底板 45 外歯（底板） 46 空圧給排器 47 給排管 48 内スプリング 49 外スプリング 1 Flywheel 2 Rotating shaft 3 Clutch 4 Air cylinder 5 Main body 21 Clutch hub 22 External tooth (clutch hub) 31 External friction plate 32 Internal friction plate 33 External receiving plate 34 Internal receiving plate 35 Clutch case 36 Internal tooth (clutch case) 37 Clutch cover 38 External teeth (external receiving plate) 39 External teeth (internal receiving plate) 41 Cylinder part 42 External teeth (cylinder part) 43 Piston 44 Bottom plate 45 External teeth (bottom plate) 46 Pneumatic supply / discharge device 47 Supply / discharge pipe 48 Spring 49 Outer spring

Claims (2)

【特許請求の範囲】[Claims] 【請求項１】 摩擦板の接着によってフライホイル１の
回転を回転軸２へ伝達するプレス機械のクラッチにおい
て、回転軸２と共回りしつつ軸線方向へ摺動自在に噛合
して並行に対向する外摩擦板３１、内摩擦板３２と、フ
ライホイル１と共回りしつつ軸線方向へ摺動自在に噛合
し外摩擦板３１の外面、および内摩擦板３２の内面と対
向する外受け板３３、内受け板３４と、フライホイル１
と共回りしつつ軸線方向へ摺動自在に噛合し外受け板３
３の内面および内受け板３４の外面と接離自在に対向す
るエアシリンダー４とからなることを特徴とするプレス
機械のクラッチ。1. In a clutch of a press machine for transmitting the rotation of a flywheel 1 to a rotary shaft 2 by adhering a friction plate, the rotary shaft 2 and the clutch are slidably meshed in the axial direction while facing each other in parallel. The outer friction plate 31, the inner friction plate 32, and the outer receiving plate 33, which meshes with the flywheel 1 and is slidably engaged in the axial direction while facing the outer surface of the outer friction plate 31 and the inner surface of the inner friction plate 32. Inner backing plate 34 and flywheel 1
Outer support plate 3 that meshes with the axis of rotation while rotating with
A clutch for a press machine, comprising an air cylinder 4 facing the inner surface of 3 and the outer surface of the inner receiving plate 34 so as to come into contact with and separate from the inner surface of the inner receiving plate 34. 【請求項２】 請求項１において、エアシリンダー４は
シリンダー部４１の外周面がクラッチケース３５の内歯
３６と噛合する外歯４２よりなり、該シリンダー部４１
へ伸縮自在に内嵌するピストン４３の突出した底板４４
の外周面も外歯４５を具えて一体的に軸線方向へ摺動自
在に係合し、クラッチカバー３７に装着した空圧給排器
４６と給排管４７を介して断続自在に連結していること
を特徴とするプレス機械のクラッチ。2. The air cylinder 4 according to claim 1, wherein the outer peripheral surface of the cylinder portion 41 comprises outer teeth 42 which mesh with the inner teeth 36 of the clutch case 35.
Bottom plate 44 protruding from the piston 43, which is elastically fitted inside
The outer peripheral surface of the is also provided with external teeth 45 and is integrally slidably engaged in the axial direction, and is intermittently connected via a pneumatic supply / discharge device 46 attached to the clutch cover 37 and a supply / discharge pipe 47. The clutch of the press machine characterized by being