JPH0751202Y2 - Hydraulic fixing flange attachment / detachment mechanism - Google Patents
Hydraulic fixing flange attachment / detachment mechanismInfo
- Publication number
- JPH0751202Y2 JPH0751202Y2 JP1988143318U JP14331888U JPH0751202Y2 JP H0751202 Y2 JPH0751202 Y2 JP H0751202Y2 JP 1988143318 U JP1988143318 U JP 1988143318U JP 14331888 U JP14331888 U JP 14331888U JP H0751202 Y2 JPH0751202 Y2 JP H0751202Y2
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- supply
- hole
- fixing flange
- flange
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/24—Chucks characterised by features relating primarily to remote control of the gripping means
- B23B31/30—Chucks characterised by features relating primarily to remote control of the gripping means using fluid-pressure means in the chuck
- B23B31/305—Chucks characterised by features relating primarily to remote control of the gripping means using fluid-pressure means in the chuck the gripping means is a deformable sleeve
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P11/00—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
- B26D7/2614—Means for mounting the cutting member
- B26D7/2621—Means for mounting the cutting member for circular cutters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
- F16D1/08—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key
- F16D1/0805—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping due to deformation of a resilient body or a body of fluid
Description
【考案の詳細な説明】 〔産業上の利用分野〕 本考案は、ロータリーナイフ、砥石、カッターなどの円
板状の物体を軸に取付ける場合、あるいはエンドミル、
ドリル、治具等の軸状の物を取付穴に固定する場合に用
いる油圧固定フランジに関する。[Detailed Description of the Invention] [Industrial field of application] The present invention is intended for mounting a disk-shaped object such as a rotary knife, a grindstone, or a cutter on a shaft, or an end mill,
The present invention relates to a hydraulic fixing flange used when fixing a shaft-shaped object such as a drill or a jig to a mounting hole.
従来、この種の油圧固定フランジとしては、第４図に示
すように、フランジ本体１の一端外周部にボルト２によ
ってリング状のロータリーナイフ３を取付け、上記フラ
ンジ本体１の内部に環状の油圧室４を形成し、かつこの
油圧室４に連通するピストン室５内に、Ｏリング６を有
するピストン７を、上記フランジ本体１の半径方向に移
動自在に装着すると共に、上記フランジ本体１にボルト
８によって固定された中空状のフタ９の中央部に、止め
ネジ10を螺着したものが知られている。そして、上記従
来の油圧固定フランジにおいては、上記止めネジ10をね
じ込むことにより、ピストン７を油圧室４側に押圧し
て、油圧室４内の圧油の圧力を高め、フランジ本体１の
内径を縮小して、クランプに必要な所定の締付力を得る
ようにしている。Conventionally, as a hydraulic fixing flange of this type, as shown in FIG. 4, a ring-shaped rotary knife 3 is attached to the outer peripheral portion of one end of a flange main body 1 by a bolt 2, and an annular hydraulic chamber is provided inside the flange main body 1. 4, a piston 7 having an O-ring 6 is mounted in a piston chamber 5 communicating with the hydraulic chamber 4 so as to be movable in the radial direction of the flange body 1, and a bolt 8 is attached to the flange body 1. It is known that a set screw 10 is screwed to the center of a hollow lid 9 fixed by. Further, in the above-mentioned conventional hydraulic fixing flange, by screwing the set screw 10, the piston 7 is pressed toward the hydraulic chamber 4 side to increase the pressure of the pressure oil in the hydraulic chamber 4 to increase the inner diameter of the flange body 1. It is reduced so as to obtain a predetermined tightening force required for the clamp.
しかしながら、上記従来の油圧固定フランジにあって
は、軸との間隙が大きかったり、あるいは、固定する力
を大きくするため、油圧室４の圧力を高くする場合、ま
たはフランジの幅が広くなった時などには、ピストン７
の移動によって油圧室４内に供給される油量が不足する
から、ピストン７の数を多くする必要が発生する。そし
て、この結果、高精度を要するフランジ本体１の剛性不
足、強度不足や、部品が多くなるために経済性で不利に
なるといういった問題が生じる。However, in the above-mentioned conventional hydraulic fixing flange, when the pressure in the hydraulic chamber 4 is increased or the width of the flange becomes wide in order to increase the gap between the shaft and the fixing force, or to increase the fixing force. For example, the piston 7
Since the amount of oil supplied into the hydraulic chamber 4 becomes insufficient due to the movement of, the number of pistons 7 must be increased. As a result, problems such as insufficient rigidity and strength of the flange main body 1 which requires high precision, and economical disadvantage due to the increased number of parts occur.
また、油の熱膨張のために、夏、冬でフランジ本体１の
内部に閉じ込められた油の体積が変化し、クランプ力が
弱まり、固定できなくなったり、あるいは前もって内径
が縮小したため、着脱が困難になるなどの問題があっ
た。Also, due to the thermal expansion of oil, the volume of oil trapped inside the flange body 1 changes in summer and winter, the clamping force weakens and it becomes impossible to fix, or the inner diameter has decreased in advance, making it difficult to attach and detach. There was a problem such as becoming.
本考案は、上記事情に鑑みてなされたもので、その目的
とするところは、外部から容易に圧油を供給することが
でき、かつ油圧室内に供給する油量の問題が生じること
がなく、個々の部品を必要最小限に小さく設計でき、従
って、強度、精度、剛性に大きな影響を及ぼすフランジ
本体への加工を必要最小限に抑えることができると共
に、弁機構を用いることによって、加圧及び油圧の解除
が簡単にできる油圧固定フランジを提供することにあ
る。The present invention has been made in view of the above circumstances, and an object thereof is to be able to easily supply pressure oil from the outside and to avoid the problem of the amount of oil supplied to the hydraulic chamber. The individual parts can be designed to be as small as necessary, and therefore, the processing of the flange main body, which has a great effect on strength, accuracy, and rigidity, can be kept to the minimum necessary. An object of the present invention is to provide a hydraulic fixing flange that can easily release hydraulic pressure.
上記目的を達成するために、本考案は、フランジ本体の
内部に設けられた油圧室と、この油圧室と外部とを連通
する油圧供給孔と、油圧供給孔に対して開閉可能に押圧
される弁体とを有する油圧固定フランジと、油圧供給孔
を介して圧油を油圧室内へ供給し及び油圧室から排出す
る中心軸孔と、この中心軸孔内に進退可能に挿入されて
弁体を開弁させ得る押圧部材とを有する給排部材と、を
備えたことを特徴とするものである。In order to achieve the above object, the present invention provides a hydraulic chamber provided inside a flange body, a hydraulic supply hole that communicates the hydraulic chamber with the outside, and a hydraulic supply hole that is openably and closably pressed. A hydraulic fixing flange having a valve body, a central shaft hole for supplying and discharging pressure oil into the hydraulic chamber through the hydraulic supply hole, and a valve body inserted in the central shaft hole so as to be able to move forward and backward. And a supply / discharge member having a pressing member capable of opening the valve.
［作用］ 本考案の油圧固定フランジの着脱機構にあっては、油圧
室内の圧力が不足している場合には、給排部材によっ
て、外部から中心軸孔と油圧供給孔を通して油圧で弁体
を開弁させて油圧室に圧油を供給し、又、油圧室内の圧
力を解放する場合には、給排部材の押圧部材で弁体を開
弁させることで、油圧室内の圧油を中心軸孔を介して排
出する。[Operation] In the mechanism for attaching and detaching the hydraulic fixing flange of the present invention, when the pressure in the hydraulic chamber is insufficient, the valve body is hydraulically driven from the outside through the central shaft hole and the hydraulic supply hole by the supply / discharge member. When the valve is opened to supply pressure oil to the hydraulic chamber, and when the pressure inside the hydraulic chamber is released, the pressure element in the hydraulic chamber is opened by opening the valve body with the pressing member of the supply / discharge member. Discharge through the hole.
以下、第１図ないし第３図に基づいて本考案の一実施例
を説明する。なお、本実施例において、第４図に示す従
来例と同様の構成の部分については同符号を付けて説明
を省略する。An embodiment of the present invention will be described below with reference to FIGS. 1 to 3. In the present embodiment, parts having the same configurations as those of the conventional example shown in FIG.
上記油圧室４とフランジ本体１の外周面との間には、連
通孔20と、外部油圧供給体21を装着するための装着孔22
とが形成されている。この外部油圧供給体21は、一端部
にフランジ部21aが形成され、かつ他端側外周部にＯリ
ング23が装着されると共に、内部の一端から他端にかけ
て、供給治具取付孔21b、連絡孔21c及び弁座21dが順に
形成されているものである。そして、上記外部油圧供給
体21は、フランジ部21aに挿通した取付ボルト24によっ
てフランジ本体１に固定されている。また、上記フラン
ジ本体１の装着孔22の内部にはバネ25が装着され、かつ
このバネ25によって付勢されたボール26が上記外部油圧
供給体21の弁座21dに押し付けられている。A communication hole 20 and a mounting hole 22 for mounting the external hydraulic pressure supply body 21 are provided between the hydraulic chamber 4 and the outer peripheral surface of the flange body 1.
And are formed. This external hydraulic pressure supply body 21 has a flange portion 21a formed at one end thereof, an O-ring 23 mounted on the outer peripheral portion at the other end side thereof, and a supply jig mounting hole 21b and a connecting jig mounting hole 21b from the inside one end to the other end. The hole 21c and the valve seat 21d are formed in order. Then, the external hydraulic pressure supply body 21 is fixed to the flange main body 1 by a mounting bolt 24 inserted into the flange portion 21a. A spring 25 is mounted inside the mounting hole 22 of the flange body 1, and a ball 26 urged by the spring 25 is pressed against the valve seat 21d of the external hydraulic pressure supply body 21.
上記のように構成された油圧固定フランジにあっては、
第２図に示すように、外部油圧供給体21の供給治具取付
孔21bに供給治具27を取付け、カップラーを介して油圧
ポンプから圧油を供給すると、この供給された圧油は、
外部油圧供給体21の連絡孔21cを介して、弁座21dに押し
付けられているボール26をバネ25の付勢力に抗して押し
下げることにより、装着孔22、連通孔20を通って油圧室
４内に供給される。この結果、容易に油圧室４内の圧力
を所定の圧力に上げることができる。With the hydraulic fixing flange configured as described above,
As shown in FIG. 2, when the supply jig 27 is attached to the supply jig mounting hole 21b of the external hydraulic supply body 21 and the pressure oil is supplied from the hydraulic pump via the coupler, the supplied pressure oil is
The ball 26 pressed against the valve seat 21d is pushed down against the urging force of the spring 25 via the communication hole 21c of the external hydraulic pressure supply body 21 to pass through the mounting hole 22 and the communication hole 20 and the hydraulic chamber 4 Supplied within. As a result, the pressure in the hydraulic chamber 4 can be easily raised to a predetermined pressure.
また、油圧室４内の圧力を解放したい場合には、第３図
に示すように、ピン28を外部油圧供給体21の連通孔21c
に挿通する一方、給排部材用筒状蓋体（符号なし）を被
せ、前記ピン28でボール26をバネ25の付勢力に抗して押
し下げることにより、油圧室４内の圧油を瞬時にして外
部に取り出すことができる。Further, when it is desired to release the pressure in the hydraulic chamber 4, the pin 28 is connected to the communication hole 21c of the external hydraulic supply body 21 as shown in FIG.
On the other hand, a cylindrical lid for supply / discharge member (no reference numeral) is covered, and the pin 28 pushes down the ball 26 against the urging force of the spring 25 to instantly pressurize the hydraulic oil in the hydraulic chamber 4. Can be taken out.
尚、外部油圧供給体21の連絡孔21cは油圧供給孔を、ボ
ール弁26は弁体を、供給治具27は給排部材を、供給治具
27の中心軸孔内のピン28は押圧部材を、それぞれ構成す
る。The communication hole 21c of the external hydraulic pressure supply body 21 is a hydraulic pressure supply hole, the ball valve 26 is a valve body, the supply jig 27 is a supply / discharge member, and the supply jig is a supply jig.
The pins 28 in the central shaft holes 27 respectively constitute pressing members.
［考案の効果］ 以上説明したように、本考案は、フランジ本体の内部に
設けられた油圧室と、この油圧室と外部とを連通する油
圧供給孔と、油圧供給孔に対して開閉可能に押圧される
弁体とを有する油圧固定フランジと、油圧供給孔を介し
て圧油を油圧室内へ供給し及び油圧室から排出する中心
軸孔と、この中心軸孔内に進退可能に挿入されて弁体を
開弁させ得る押圧部材とを有する給排部材と、を備えた
ものであるから、弁体の開閉操作によって、油圧室内へ
の圧油の供給及び油圧室内の圧力の解放を簡単かつ円滑
に行うことができることにより、油圧室内の油量の問題
が生じることがなく、個々の部品を必要最小限に（圧力
に対しては、部品を小さくした方が耐圧強度が増加す
る）小さく設計可能となり、従って、強度、精度、剛性
に大きな影響を及ぼすフランジ本体への加工を必要最小
限に抑えることができると共に、大型化に柔軟に対応で
きる。[Advantages of the Invention] As described above, the present invention enables the hydraulic chamber provided inside the flange main body, the hydraulic supply hole that connects the hydraulic chamber and the outside, and the hydraulic supply hole that can be opened and closed. A hydraulic fixing flange having a valve body to be pressed, a central shaft hole for supplying pressure oil into the hydraulic chamber through the hydraulic pressure supply hole and discharging the hydraulic oil from the hydraulic chamber, and a retractable insertable member inserted in the central shaft hole. Since it is provided with a supply / discharge member having a pressing member capable of opening the valve body, it is possible to easily supply pressure oil into the hydraulic chamber and release the pressure in the hydraulic chamber by opening / closing the valve body. Since it can be performed smoothly, there is no problem of the amount of oil in the hydraulic chamber, and each component is designed to be the minimum necessary (for pressure, the smaller the component, the higher the pressure resistance strength). It is possible, therefore, it has great strength, precision and rigidity. It is possible to minimize the processing on the flange body, which has a significant influence, and to flexibly deal with the increase in size.
第１図ないし第３図は本考案の一実施例を示すもので、
第１図は断面図、第２図は油圧室内に圧油を供給する場
合の断面図、第３図は油圧室内の圧油を抜く場合の断面
図、第４図は従来の油圧固定フランジの断面図である。 １……フランジ本体、４……油圧室、20……連通孔、21
……外部油圧供給体、22……装着孔、25……バネ（弁機
構）、26……ボール（弁機構）、21b……供給治具取付
孔、21c……連絡孔、21d……弁座（弁機構）。1 to 3 show an embodiment of the present invention.
FIG. 1 is a sectional view, FIG. 2 is a sectional view when supplying pressure oil into the hydraulic chamber, FIG. 3 is a sectional view when releasing pressure oil from the hydraulic chamber, and FIG. 4 is a conventional hydraulic fixing flange. FIG. 1 ... Flange body, 4 ... Hydraulic chamber, 20 ... Communication hole, 21
...... External hydraulic pressure supply unit, 22 ...... Mounting hole, 25 ...... Spring (valve mechanism), 26 ...... Ball (valve mechanism), 21b ...... Supply jig mounting hole, 21c ...... Communication hole, 21d ...... Valve Seat (valve mechanism).
───────────────────────────────────────────────────── フロントページの続き (72)考案者 長谷川 誠 岐阜県安八郡神戸町大字横井字中新田1528 番地 三菱金属株式会社岐阜製作所内 (56)参考文献 実開 昭59−19204（ＪＰ，Ｕ) 実公 昭63−34824（ＪＰ，Ｙ２) ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Makoto Hasegawa, Makoto Hasegawa 1528 Nakanishi, Yokoi, Kobe, Anpachi-gun, Gifu Prefecture Mitsubishi Metals Co., Ltd. Gifu Works (56) Bibliography 59-19204 (JP, U) ) Actual public Sho 63-34824 (JP, Y2)
Claims (1)
する油圧固定フランジの着脱機構において、 フランジ本体の内部に設けられた油圧室と、この油圧室
と外部とを連通する油圧供給孔と、この油圧供給孔に対
して開閉可能に押圧される弁体とを有する油圧固定フラ
ンジと、 前記油圧供給孔を介して圧油を油圧室内へ供給し及び油
圧室から排出する中心軸孔と、この中心軸孔内に進退可
能に挿入されて上記弁体を開弁させ得る押圧部材とを有
する給排部材と、 を備えたことを特徴とする油圧固定フランジの着脱機
構。1. A hydraulic fixing flange attachment / detachment mechanism for enlarging and reducing the inner diameter using hydraulic pressure to attach / detach, wherein a hydraulic chamber provided inside the flange body and a hydraulic supply for communicating the hydraulic chamber with the outside. A hydraulic fixing flange having a hole and a valve body which is openably and closably pressed against the hydraulic pressure supply hole, and a central shaft hole for supplying and discharging pressure oil into the hydraulic pressure chamber through the hydraulic pressure supply hole. A hydraulic pressure fixing flange attaching / detaching mechanism comprising: a supply / discharge member having a pressing member that is inserted into the central shaft hole so as to be able to move forward and backward to open the valve body.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988143318U JPH0751202Y2 (en) | 1988-11-01 | 1988-11-01 | Hydraulic fixing flange attachment / detachment mechanism |
| KR2019890010209U KR940003985Y1 (en) | 1988-11-01 | 1989-07-12 | Frange fixing device |
| US07/429,932 US5099733A (en) | 1988-11-01 | 1989-11-01 | Rotary knife |
| DE1989619185 DE68919185T2 (en) | 1988-11-01 | 1989-11-02 | Hydraulically fixable flange and rotating tool. |
| EP19890120300 EP0367262B1 (en) | 1988-11-01 | 1989-11-02 | Hydraulically fixable flange and rotary tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988143318U JPH0751202Y2 (en) | 1988-11-01 | 1988-11-01 | Hydraulic fixing flange attachment / detachment mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0263905U JPH0263905U (en) | 1990-05-14 |
| JPH0751202Y2 true JPH0751202Y2 (en) | 1995-11-22 |
Family
ID=15335994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988143318U Expired - Lifetime JPH0751202Y2 (en) | 1988-11-01 | 1988-11-01 | Hydraulic fixing flange attachment / detachment mechanism |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH0751202Y2 (en) |
| KR (1) | KR940003985Y1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7006922B2 (en) * | 2018-01-10 | 2022-01-24 | 株式会社 神崎高級工機製作所 | Gear processing equipment |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5919204U (en) * | 1982-07-28 | 1984-02-06 | 住友金属工業株式会社 | Chucking device for gear processing and inspection |
| JPH0311287Y2 (en) * | 1986-08-25 | 1991-03-19 |
-
1988
- 1988-11-01 JP JP1988143318U patent/JPH0751202Y2/en not_active Expired - Lifetime
-
1989
- 1989-07-12 KR KR2019890010209U patent/KR940003985Y1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0263905U (en) | 1990-05-14 |
| KR900010299U (en) | 1990-06-02 |
| KR940003985Y1 (en) | 1994-06-17 |
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