JPH0627850Y2 - Oil groove for lubrication of friction clamp device - Google Patents
Oil groove for lubrication of friction clamp deviceInfo
- Publication number
- JPH0627850Y2 JPH0627850Y2 JP12668289U JP12668289U JPH0627850Y2 JP H0627850 Y2 JPH0627850 Y2 JP H0627850Y2 JP 12668289 U JP12668289 U JP 12668289U JP 12668289 U JP12668289 U JP 12668289U JP H0627850 Y2 JPH0627850 Y2 JP H0627850Y2
- Authority
- JP
- Japan
- Prior art keywords
- oil
- sleeve
- hole
- short
- clamp device
- 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.)
- Expired - Lifetime
Links
Description
【考案の詳細な説明】 （イ）産業上の利用分野 この考案は射出成形機等の摩擦クランプ装置の潤滑用油
溝に関するものである。DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application This invention relates to a lubricating oil groove for a friction clamp device such as an injection molding machine.
（ロ）従来の技術 従来の摩擦クランプ装置の潤滑用油溝は、第７図に見ら
れるように、円柱状のロッドに摺動可能に外挿すると共
に、外周に流体加圧部を設けたスリーブ２とで構成し、
スリーブ２の内周部にラセン状の油溝２１を設け、ラセ
ン状油溝２１の両端において、一方に給油孔２３、他方
に排油孔２４を設けていた。(B) Conventional Technology As shown in FIG. 7, the lubricating oil groove of the conventional friction clamp device is slidably fitted on a cylindrical rod and provided with a fluid pressurizing portion on the outer circumference. Composed of a sleeve 2 and
A spiral oil groove 21 is provided on the inner peripheral portion of the sleeve 2, and at both ends of the spiral oil groove 21, an oil supply hole 23 is provided on one side and an oil discharge hole 24 is provided on the other side.
ロッドとスリーブ２とが摺動する場合は、スリーブ２外
周の流体加圧部を解放してロツドとスリーブ２との間に
わずかの隙間をつくり、給油孔２３から潤滑油を給油し
て摺動を容易にする。When the rod and the sleeve 2 slide, the fluid pressurizing portion on the outer periphery of the sleeve 2 is released to form a slight gap between the rod and the sleeve 2, and lubricating oil is supplied from the oil supply hole 23 to slide. To facilitate.
クランプする場合は、スリーブ２外周の流体加圧部に圧
力を作用させるスリーブ２を弾性変形させてスリーブ２
をロッドに密着させ、摩擦力を発生させていた。この
際、ロッドとスリーブ２との隙間に介在していた潤滑油
は、スリーブ２の内周部に設けられたラセン状油溝２１
から排油孔２４へ排出される。When clamping, the sleeve 2 that applies pressure to the fluid pressurizing portion on the outer circumference of the sleeve 2 is elastically deformed
Was brought into close contact with the rod to generate frictional force. At this time, the lubricating oil present in the gap between the rod and the sleeve 2 is the helical oil groove 21 provided in the inner peripheral portion of the sleeve 2.
Is discharged to the oil drain hole 24.
（ハ）考案が解決しようとする課題 この従来の方法では、ラセン状油溝２１が長いため、ク
ランプ時のロッドとスリーブ２との密着面から排除され
る潤滑油は長いラセン状油溝２１を通って排油孔２４か
ら排除されるのに時間がかかり、迅速なクランプ動作が
行えなかった。また短時間でクランプ動作を行うと、潤
滑油が密着面から完全に排除されず、残った潤滑油の為
に摩擦力が発生せず、充分なクランプ力を発生出来なか
ったり、場合によっては、クランプ装置および関連装置
の破損に到る場合が生じていた。(C) Problem to be Solved by the Invention In this conventional method, since the spiral oil groove 21 is long, the lubricating oil removed from the contact surface between the rod and the sleeve 2 at the time of clamping has a long spiral oil groove 21. It took time to remove the oil through the oil drain hole 24, and a quick clamp operation could not be performed. If the clamping operation is performed in a short time, the lubricating oil is not completely removed from the contact surface, the remaining lubricating oil does not generate a frictional force, and a sufficient clamping force cannot be generated. In some cases, the clamp device and related devices were damaged.
本考案は以上のような問題点に対し、摺動部への潤滑油
給油、そして迅速かつ完全な密着面からの潤滑油排除を
可能とする摩擦クランプ装置の潤滑用油溝を提供するこ
とを目的とするものである。In order to solve the above problems, the present invention provides a lubricating oil groove for a friction clamp device that enables lubricating oil to be supplied to sliding parts and quickly and completely eliminates lubricating oil from the contact surface. It is intended.
（ニ）課題を解決するための手段 本考案は、ロッド１にスリーブ２を摺動可能に外挿し、
前記スリーブ２外周とハウジング３内周の間に構成され
た油室６に油圧力を作用させて、前記ロツド１と前記ス
リーブ２との摺動面の摩擦力を増減することにより、締
結および解放を繰返す摩擦クランプ装置において、 第１の手段として、前記スリーブ２内周に、ラセン状油
溝２１と、前記ラセン状油溝２１間を連絡する短絡油溝
２２を１本または複数本設けたり、 第２の手段として、前記スリーブ２内周に、ラセン状油
溝２１と、前記スリーブ２壁内に、短絡排油孔２５と延
長給油孔２３ａを各１本または複数本、前記スリーブ２
壁内に、前記ラセン状油溝２１と前記短絡排油孔２５及
び前記延長給油孔２３ａ間を連絡する連結油穴２６及び
給油連結穴２３ｂを設けたり、 第３の手段として、第２の手段に、スリーブ２内周に、
ラセン状油溝２１間を連絡する短絡油溝２２を１本また
は複数本設けたり、 第４の手段として、前記スリーブ２内周に、複数の環状
油溝２７と、電気環状油溝２７間を連絡する短絡油溝２
２を１本または複数本設けたり、 第５の手段として、前記スリーブ２内周に、複数の環状
油溝２７と、前記スリーブ２壁内に、短絡排油孔２５と
延長給油孔２３ａを各１本または複数本、前記スリーブ
２壁内に、複数の前記環状油溝２７と前記短絡排油孔２
５及び前記延長給油孔２３ａ間を連絡する連結油穴２６
及び給油連結穴２３ｂを設けたり、 第６の手段として、第５の手段に、スリーブ２内周に、
複数の環状油溝２７間を連絡する短絡油溝２２を１本ま
たは複数本設けることにより、上記課題を解決する。(D) Means for Solving the Problems In the present invention, a sleeve 2 is slidably externally attached to a rod 1,
Fastening and releasing by applying hydraulic pressure to the oil chamber 6 formed between the outer circumference of the sleeve 2 and the inner circumference of the housing 3 to increase or decrease the frictional force of the sliding surface between the rod 1 and the sleeve 2. In the friction clamp device that repeats the above, as a first means, one or a plurality of spiral oil grooves 21 and one or more short-circuit oil grooves 22 that connect the spiral oil grooves 21 are provided on the inner circumference of the sleeve 2. As a second means, a spiral oil groove 21 is provided on the inner circumference of the sleeve 2, and one or a plurality of short-circuit oil discharge holes 25 and extended oil supply holes 23a are provided in the wall of the sleeve 2 respectively.
A connecting oil hole 26 and an oil supply connecting hole 23b for connecting the spiral oil groove 21, the short-circuit oil discharge hole 25, and the extended oil supply hole 23a are provided in the wall, or as a third means, a second means. On the inner circumference of the sleeve 2,
One or a plurality of short-circuit oil grooves 22 that connect between the spiral oil grooves 21 are provided. As a fourth means, a plurality of annular oil grooves 27 and an electric annular oil groove 27 are provided on the inner circumference of the sleeve 2. Short circuit oil groove 2 to contact
One or a plurality of two are provided, or as a fifth means, a plurality of annular oil grooves 27 are provided in the inner circumference of the sleeve 2, and a short circuit oil drain hole 25 and an extended oil feed hole 23a are provided in the wall of the sleeve 2. One or a plurality of the annular oil grooves 27 and the short circuit oil drain holes 2 in the sleeve 2 wall.
5 and the connecting oil hole 26 for connecting the extended oil supply hole 23a
And a refueling connection hole 23b, or as a sixth means, a fifth means, on the inner circumference of the sleeve 2,
The above problem is solved by providing one or a plurality of short-circuit oil grooves 22 that connect the plurality of annular oil grooves 27.
（ホ）作用 以上のように構成することにより、密着面から排除され
る潤滑油はラセン状油溝２１あるいは複数の環状油溝２
７から、スリーブ２内周に設けられた短絡油溝２２また
はスリーブ２壁内に設けられた連結油穴２６と短絡排油
孔２５を通って排油孔２４より迅速かつ完全に排除され
る。(E) Action With the above-described configuration, the lubricating oil removed from the contact surface is the helical oil groove 21 or the plurality of annular oil grooves 2
7 is quickly and completely removed from the oil drain hole 24 through the short oil groove 22 provided in the inner circumference of the sleeve 2 or the connecting oil hole 26 and the short oil drain hole 25 provided in the sleeve 2 wall.
又、給油においても、スリーブ２壁内に設けた給油孔２
３から、スリーブ２内周に設けられた短絡油溝２２ある
いはスリーブ２壁内に設けられた延長給油孔２３ａと給
油連結穴２３ｂを通り、ラセン状油溝２１あるいは環状
油溝２７へ給油される。Further, also in the oil supply, the oil supply hole 2 provided in the sleeve 2 wall
3, the oil is supplied to the spiral oil groove 21 or the annular oil groove 27 through the short-circuit oil groove 22 provided in the inner circumference of the sleeve 2 or the extended oil supply hole 23a and the oil supply connection hole 23b provided in the sleeve 2 wall. .
（ヘ）実施例 以下、本考案の実施例を図面に基づいて詳細に説明す
る。(F) Embodiment Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.
第１図は本考案の第１実施例で、円柱状のロッド１はス
リーブ２の円筒穴２０にわずかな隙間δをもって摺動可
能に挿入され、スリーブ２の外周に油室６を形成するハ
ウジング３が配置されることで摩擦クランプ装置が構成
されている。スリーブ２の円筒穴２０の内表面には、ラ
セン状油溝２１が設けられ、その両端にはそれぞれ給油
孔２３排油孔２４に連絡しており、さらにラセン状油溝
２１間を連絡する短絡油溝２２を１本または複数本設け
ている。円筒穴２０の両端部および油室６両端には油漏
れ防止リング４ａ、４ｂ、５ａ、５ｂが設けられてい
る。FIG. 1 shows a first embodiment of the present invention, in which a cylindrical rod 1 is slidably inserted into a cylindrical hole 20 of a sleeve 2 with a slight clearance δ, and an oil chamber 6 is formed on the outer circumference of the sleeve 2. The friction clamp device is configured by arranging 3. A spiral oil groove 21 is provided on the inner surface of the cylindrical hole 20 of the sleeve 2, and both ends thereof are connected to an oil supply hole 23 and an oil discharge hole 24, respectively, and a short circuit for connecting the spiral oil grooves 21 to each other. One or a plurality of oil grooves 22 are provided. Oil leakage prevention rings 4a, 4b, 5a, 5b are provided at both ends of the cylindrical hole 20 and both ends of the oil chamber 6.
次にこの実施例の作用について説明する。この様な摩擦
クランプ装置において、給油孔２３からは、常時潤滑油
が供給され、ラセン状油溝２１および短絡油溝２２を経
て排油孔２４に流れる。この間ロッド１とスリーブ２の
円筒穴２０との隙間δを潤滑油が潤滑し、ロッド１とス
リーブ２の滑動を容易にしている。クランプする場合
は、図示していない高圧油圧発生装置から油室６に高圧
油を供給する。この高圧油によりスリーブ２が圧縮さ
れ、円筒穴２０がロッド１と密着する。この際円筒孔２
０とロッド１との隙間δを潤滑していた潤滑油は、最寄
りのラセン状油溝２１に排除され、短絡油溝２２を経
て、排油孔２４に迅速かつ完全に排出される。Next, the operation of this embodiment will be described. In such a friction clamp device, lubricating oil is constantly supplied from the oil supply hole 23 and flows to the oil discharge hole 24 via the spiral oil groove 21 and the short-circuit oil groove 22. During this time, the lubricating oil lubricates the gap δ between the rod 1 and the cylindrical hole 20 of the sleeve 2 to facilitate sliding of the rod 1 and the sleeve 2. When clamping, high pressure oil is supplied to the oil chamber 6 from a high pressure oil pressure generator (not shown). The high-pressure oil compresses the sleeve 2, and the cylindrical hole 20 comes into close contact with the rod 1. At this time, the cylindrical hole 2
The lubricating oil that has lubricated the gap δ between 0 and the rod 1 is removed to the nearest spiral oil groove 21, and quickly and completely discharged to the oil discharge hole 24 via the short-circuit oil groove 22.
第２図は本考案の第２実施例で、スリーブ２のみを示し
たものであり、本実施例は第１実施例におけるスリーブ
２の円筒穴２０の内表面に設けられた短絡油溝２２に代
えて、スリーブ壁内に短絡排油孔２５及び延長給油孔２
３ａを各１本または複数本設け、ラセン状油溝２１と、
連結油穴２６および給油連結穴２３ｂで連結したもので
ある。FIG. 2 shows a second embodiment of the present invention, showing only the sleeve 2. This embodiment has a short-circuit oil groove 22 provided on the inner surface of the cylindrical hole 20 of the sleeve 2 in the first embodiment. Instead, the short-circuit oil drain hole 25 and the extended oil fill hole 2 are provided in the sleeve wall.
3a is provided for each one or more, and the spiral oil groove 21 and
The connection oil hole 26 and the oil supply connection hole 23b are connected.
第３図は本考案の第３実施例で、スリーブ２のみを示し
たものであり、本実施例は第２実施例に短絡油溝２２を
１本または複数本加えたものである。FIG. 3 shows a third embodiment of the present invention, which shows only the sleeve 2, and this embodiment is one in which one or more short-circuit oil grooves 22 are added to the second embodiment.
第４図は本考案の第４実施例で、スリーブ２のみを示し
たものであり、本実施例はスリーブ２の円筒穴２０の内
表面に複数の環状油溝２７を設け、両端の環状油溝の一
方を給油孔２３他方を排油孔２４に連絡し、隣接する環
状油溝２７間に短絡油溝２２を１本または複数本設けて
いる。FIG. 4 shows a fourth embodiment of the present invention, showing only the sleeve 2. In this embodiment, a plurality of annular oil grooves 27 are provided on the inner surface of the cylindrical hole 20 of the sleeve 2, and the annular oil at both ends is provided. One of the grooves is connected to the oil supply hole 23 and the other is connected to the oil discharge hole 24, and one or a plurality of short-circuit oil grooves 22 are provided between adjacent annular oil grooves 27.
第５図は本考案の第５実施例で、スリーブ２のみを示し
たものであり、本実施例は第４実施例におけるスリーブ
２の円筒穴２０の内表面に設けられた短絡油溝２２に代
えて、スリーブ壁内に短絡排油孔２５をおよび延長給油
孔２３ａを各１本または複数本設け、環状油溝２７と、
連結油穴２６および給油連結穴２３ｂで連結したもので
ある。FIG. 5 shows a fifth embodiment of the present invention, showing only the sleeve 2. This embodiment has a short-circuit oil groove 22 formed on the inner surface of the cylindrical hole 20 of the sleeve 2 in the fourth embodiment. Instead, one or a plurality of short circuit oil drain holes 25 and one or more extended oil feed holes 23a are provided in the sleeve wall, and an annular oil groove 27 is provided.
The connection oil hole 26 and the oil supply connection hole 23b are connected.
第６図は本考案の第６実施例で、スリーブ２のみを示し
たものであり、本実施例は第５実施例に短絡油溝２２を
１本または複数本加えたものである。FIG. 6 shows a sixth embodiment of the present invention, showing only the sleeve 2, and this embodiment is one in which one or more short-circuit oil grooves 22 are added to the fifth embodiment.
また、上記実施例において、短絡油溝２２は円筒穴２０
の軸に平行な直線配置である必要はなく、隣接するラセ
ン状油溝２１あるいは環状油溝２７を連結する油溝であ
れば、どの様な配置、形状でもよい。Further, in the above embodiment, the short circuit oil groove 22 is formed in the cylindrical hole 20.
The linear arrangement parallel to the axis is not required, and any arrangement and shape may be used as long as it is an oil groove that connects adjacent spiral oil grooves 21 or annular oil grooves 27.
（ト）考案の効果 以上説明してきたように、本考案によれば、従来のラセ
ン状油溝または環状油溝に短絡油溝あるいは短絡排油孔
を設けたことにより、クランプ時の潤滑油の排油経路が
大巾に短絡され、排油が迅速に行えるようになったこと
により、ロッドとスリーブの密着面からの排油が完全
に、そして確実に行えるようになった。(G) Effect of the Invention As described above, according to the present invention, by providing the short-circuit oil groove or the short-circuit oil drain hole in the conventional spiral oil groove or annular oil groove, the lubricant oil during clamping can be improved. The oil drainage path was short-circuited extensively and the oil was drained quickly, so that the oil can be completely and reliably drained from the contact surface between the rod and the sleeve.
さらに給油にあっても、ロッドを垂直のみならず、傾斜
あるいは水平とした場合でも、潤滑油の給油が円滑に行
えるようになった。Further, when refueling, the lubricating oil can be refueled smoothly not only when the rod is vertical but also when it is inclined or horizontal.
第１図ないし第６図は、それぞれ本考案の第１ないし第
６実施例を示し、第７図は従来の実施例を示している。
但し、第２図ないし第７図は、本考案の対象となるスリ
ーブのみについて示している。 １……ロッド、２……スリーブ、３……ハウジング、４
ａ，４ｂ……油漏れ防止リング（スリーブ用）、５ａ，
５ｂ……油漏れ防止リング（ハウジング用）、６……油
室、２０……円筒穴、２１……ラセン状油溝、２２……
短絡油溝、２３……給油孔、２３ａ……延長給油孔、２
３ｂ……給油連結孔、２４……排油孔、２５……短絡排
油孔、２６……連結油穴、２７……環状油溝、δ……隙
間。1 to 6 show first to sixth embodiments of the present invention, and FIG. 7 shows a conventional embodiment.
However, FIGS. 2 to 7 show only the sleeve which is the subject of the present invention. 1 ... Rod, 2 ... Sleeve, 3 ... Housing, 4
a, 4b ... Oil leakage prevention ring (for sleeve), 5a,
5b ... Oil leakage prevention ring (for housing), 6 ... Oil chamber, 20 ... Cylindrical hole, 21 ... Helical oil groove, 22 ...
Short-circuit oil groove, 23 ... Oil supply hole, 23a ... Extended oil supply hole, 2
3b ... oil supply connection hole, 24 ... oil discharge hole, 25 ... short-circuit oil discharge hole, 26 ... connection oil hole, 27 ... annular oil groove, δ ... gap.
フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｆ１６Ｃ 33/10 Ｚ 6814−3Ｊ Continuation of the front page (51) Int.Cl. 5 Identification code Office reference number FI technical display area F16C 33/10 Z 6814-3J
Claims (6)
に外挿し、前記スリーブ（２）外周とハウジング（３）
内周の間に構成された油室（６）に油圧力を作用させ
て、前記ロツド（１）と前記スリーブ（２）との摺動面
の摩擦力を増減することにより、締結および解放を繰返
す摩擦クランプ装置において、 前記スリーブ（２）内周に、ラセン状油溝（２１）と、
前記ラセン状油溝（２１）間を連絡する短絡油溝（２
２）を１本または複数本設けたことを特徴とする摩擦ク
ランプ装置の潤滑用油溝。1. A sleeve (2) is slidably inserted onto a rod (1), the outer circumference of the sleeve (2) and a housing (3).
By applying an oil pressure to the oil chamber (6) formed between the inner circumferences to increase or decrease the frictional force of the sliding surface between the rod (1) and the sleeve (2), the fastening and releasing are performed. In a repeated friction clamp device, a spiral oil groove (21) is provided on an inner circumference of the sleeve (2),
Short circuit oil groove (2) connecting between the spiral oil grooves (21)
The oil groove for lubrication of the friction clamp device, characterized in that one or a plurality of (2) are provided.
に外挿し、前記スリーブ（２）外周とハウジング（３）
内周の間に構成された油室（６）に油圧力を作用させ
て、前記ロツド（１）と前記スリーブ（２）との摺動面
の摩擦力を増減することにより、締結および解放を繰返
す摩擦クランプ装置において、 前記スリーブ（２）内周に、ラセン状油溝（２１）と、
前記スリーブ（２）壁内に、短絡排油孔（２５）と延長
給油孔（２３ａ）を各１本または複数本、前記スリーブ
（２）壁内に、前記ラセン状油溝（２１）と前記短絡排
油孔（２５）及び前記延長給油孔（２３ａ）間を連絡す
る連結油穴（２６）及び給油連結穴（２３ｂ）を設けた
ことを特徴とする摩擦クランプ装置の潤滑用油溝。2. A sleeve (2) is slidably fitted on a rod (1), the outer circumference of the sleeve (2) and a housing (3).
By applying an oil pressure to the oil chamber (6) formed between the inner circumferences to increase or decrease the frictional force of the sliding surface between the rod (1) and the sleeve (2), the fastening and releasing are performed. In a repeated friction clamp device, a spiral oil groove (21) is provided on an inner circumference of the sleeve (2),
One or a plurality of short circuit oil drain holes (25) and extended oil fill holes (23a) are provided in the sleeve (2) wall, and the spiral oil groove (21) and the sleeve oil groove (21) are provided in the sleeve (2) wall. A lubricating oil groove for a friction clamp device, characterized in that a connecting oil hole (26) and an oil supply connecting hole (23b) are provided to connect between the short-circuit oil discharge hole (25) and the extended oil supply hole (23a).
１）間を連絡する短絡油溝（２２）を１本または複数本
設けた請求項２記載の摩擦クランプ装置の潤滑用油溝。3. A spiral oil groove (2) is provided on the inner circumference of the sleeve (2).
The lubrication oil groove of the friction clamp device according to claim 2, wherein one or a plurality of short-circuit oil grooves (22) for connecting between 1) are provided.
に外挿し、前記スリーブ（２）外周とハウジング（３）
内周の間に構成された油室（６）に油圧力を作用させ
て、前記ロツド（１）と前記スリーブ（２）との摺動面
の摩擦力を増減することにより、締結および解放を繰返
す摩擦クランプ装置において、 前記スリーブ（２）内周に、複数の環状油溝（２７）
と、前記環状油溝（２７）間を連絡する短絡油溝（２
２）を１本または複数本設けたことを特徴とする摩擦ク
ランプ装置の潤滑用油溝。4. A sleeve (2) is slidably inserted onto a rod (1), the outer circumference of the sleeve (2) and a housing (3).
By applying an oil pressure to the oil chamber (6) formed between the inner circumferences to increase or decrease the frictional force of the sliding surface between the rod (1) and the sleeve (2), the fastening and releasing are performed. In a repeated friction clamp device, a plurality of annular oil grooves (27) are provided on the inner circumference of the sleeve (2).
And the short-circuit oil groove (2) that connects the annular oil groove (27) with each other.
The oil groove for lubrication of the friction clamp device, characterized in that one or a plurality of (2) are provided.
に外挿し、前記スリーブ（２）外周とハウジング（３）
内周の間に構成された油室（６）に油圧力を作用させ
て、前記ロツド（１）と前記スリーブ（２）との摺動面
の摩擦力を増減することにより、締結および解放を繰返
す摩擦クランプ装置において、 前記スリーブ（２）内周に、複数の環状油溝（２７）
と、前記スリーブ（２）壁内に、短絡排油孔（２５）と
延長給油孔（２３ａ）を各１本または複数本、前記スリ
ーブ（２）壁内に、複数の前記環状油溝（２７）と前記
短絡排油孔（２５）及び前記延長給油孔（２３ａ）間を
連絡する連結油穴（２６）及び給油連結穴（２３ｂ）を
設けたことを特徴とする摩擦クランプ装置の潤滑用油
溝。5. A sleeve (2) is slidably fitted on a rod (1), and the outer circumference of the sleeve (2) and a housing (3).
By applying an oil pressure to the oil chamber (6) formed between the inner circumferences to increase or decrease the frictional force of the sliding surface between the rod (1) and the sleeve (2), the fastening and releasing are performed. In a repeated friction clamp device, a plurality of annular oil grooves (27) are provided on the inner circumference of the sleeve (2).
And one or more short-circuit oil drain holes (25) and extended oil supply holes (23a) in the wall of the sleeve (2), and a plurality of the annular oil grooves (27) in the wall of the sleeve (2). ) And the short-circuit oil drain hole (25) and the extended oil feed hole (23a) are provided with a connecting oil hole (26) and an oil supply connecting hole (23b). groove.
（２７）間を連絡する短絡油溝（２２）を１本または複
数本設けた請求項５記載の摩擦クランプ装置の潤滑用油
溝。6. The friction clamp device according to claim 5, wherein one or a plurality of short-circuit oil grooves (22) for connecting the plurality of annular oil grooves (27) are provided on the inner circumference of the sleeve (2). Oil ditch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12668289U JPH0627850Y2 (en) | 1989-10-31 | 1989-10-31 | Oil groove for lubrication of friction clamp device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12668289U JPH0627850Y2 (en) | 1989-10-31 | 1989-10-31 | Oil groove for lubrication of friction clamp device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0365005U JPH0365005U (en) | 1991-06-25 |
| JPH0627850Y2 true JPH0627850Y2 (en) | 1994-07-27 |
Family
ID=31674482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12668289U Expired - Lifetime JPH0627850Y2 (en) | 1989-10-31 | 1989-10-31 | Oil groove for lubrication of friction clamp device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0627850Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8220609B2 (en) * | 2006-03-30 | 2012-07-17 | Jtekt Corporation | Torque limiter |
| JP2010169212A (en) * | 2009-01-23 | 2010-08-05 | Okuma Corp | Lubricating mechanism for guide apparatus of machine tool |
-
1989
- 1989-10-31 JP JP12668289U patent/JPH0627850Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0365005U (en) | 1991-06-25 |
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