JP2020099955A - Rotary table - Google Patents

Rotary table Download PDF

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JP2020099955A
JP2020099955A JP2018238236A JP2018238236A JP2020099955A JP 2020099955 A JP2020099955 A JP 2020099955A JP 2018238236 A JP2018238236 A JP 2018238236A JP 2018238236 A JP2018238236 A JP 2018238236A JP 2020099955 A JP2020099955 A JP 2020099955A
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rotary
rotary shaft
angle
rotary table
rotating shaft
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智臻 夏
Zhizhen Xia
智臻 夏
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Fanuc Corp
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Fanuc Corp
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Abstract

To make it possible to simply adjust an angle of a rotary shaft during assembly.SOLUTION: A rotary table 10 comprises: a table 12; a rotary part 18 which has a rotary shaft 14 for rotating the table 12, and a housing 16 for rotatably supporting the rotary shaft 14; and a support part 20 which supports the rotary part 18. The housing 16 has: a cylindrical part 16a which rotatably supports the rotary shaft 14; and a flange part 16b which is provided at an end part of the cylindrical part 16a. The support part 20 has a through hole 20a capable of inserting the cylindrical part 16a, supports the flange part 16b in a state that the cylindrical part 16a is inserted into the through hole 20a, and further comprises an adjustment plate 22 which has an insertion hole 22a capable of inserting the cylindrical part 16a, is provided between the support part 20 and the flange part 16b, and adjusts an angle of the rotary shaft 14 to the support part 20, in which the adjustment plate 22 is formed such that a thickness of the rotary shaft 14 in an axial direction changes at a predetermined tilt angle.SELECTED DRAWING: Figure 1

Description

本発明は、ワーク等を載置して回転させる回転テーブルに関する。 The present invention relates to a rotary table that mounts and rotates a work or the like.

下記に示す特許文献１に記載されているような回転テーブルにおいては、回転部材を回転可能に支持するハウジングを工作機械などに設置されるケースが固定している。このような回転テーブルにおいて、回転軸の角度を調整する必要が生ずる場合がある。 In a rotary table as described in Patent Document 1 shown below, a housing that rotatably supports a rotary member is fixed to a case installed in a machine tool or the like. In such a rotary table, it may be necessary to adjust the angle of the rotary shaft.

特開２０１７−１４４５３３号公報JP, 2017-144533, A

従来から、回転テーブルの組み立てにおいては、回転軸の角度を簡易に調整することが求められていた。 Conventionally, in assembling a rotary table, it has been required to easily adjust the angle of the rotary shaft.

そこで、本発明は、組み立て時に回転軸の角度を簡易に調整することができる回転テーブルを提供することを目的とする。 Therefore, an object of the present invention is to provide a rotary table that can easily adjust the angle of the rotary shaft during assembly.

本発明の第１の態様は、テーブルと、前記テーブルを回転させるための回転軸と、前記回転軸を回転可能に支持するハウジングと、を有する回転部と、前記回転部を支持する支持部と、を備える、回転テーブルであって、前記ハウジングは、前記回転軸を回転可能に支持する円筒部と、前記円筒部の端部に設けられたフランジ部と、を有し、前記支持部は、前記円筒部を挿入可能な貫通孔を有し、前記貫通孔に前記円筒部が挿入された状態で前記フランジ部を支持し、前記円筒部が挿入可能な挿入孔を有し、前記支持部と前記フランジ部との間に設けられ、前記支持部に対する前記回転軸の角度を調整する調整板をさらに備え、前記調整板は、前記回転軸の軸方向の厚みが所定の傾斜角で変化するように形成されている。 A first aspect of the present invention is a rotating part having a table, a rotating shaft for rotating the table, and a housing for rotatably supporting the rotating shaft, and a supporting part for supporting the rotating part. , A rotary table, wherein the housing has a cylindrical portion that rotatably supports the rotating shaft, and a flange portion provided at an end portion of the cylindrical portion, the supporting portion, Having a through hole into which the cylindrical portion can be inserted, supporting the flange portion in a state where the cylindrical portion is inserted into the through hole, and having an insertion hole into which the cylindrical portion can be inserted, the supporting portion and The adjusting plate is further provided between the flange part and the adjusting part for adjusting the angle of the rotating shaft with respect to the supporting part, and the adjusting plate is configured such that the axial thickness of the rotating shaft changes at a predetermined inclination angle. Is formed in.

本発明によれば、組み立て時に回転軸の角度を簡易に調整することができる。 According to the present invention, the angle of the rotating shaft can be easily adjusted during assembly.

実施の形態にかかる回転テーブルの断面図である。It is sectional drawing of the rotary table concerning embodiment. 調整板を図１と同じ方向から観た断面図である。It is sectional drawing which looked at the adjustment plate from the same direction as FIG. 調整板を回転軸の軸方向から観た図である。It is the figure which looked at the adjustment board from the axial direction of the axis of rotation. 変形例１にかかる回転テーブルの断面図である。FIG. 9 is a cross-sectional view of a rotary table according to a modified example 1. ２枚の調整板を図４と同じ方向から観た断面図である。It is sectional drawing which looked at two adjustment plates from the same direction as FIG. 変形例２にかかる調整板を回転軸の軸方向から観た図である。FIG. 9 is a view of an adjusting plate according to Modification 2 as viewed from the axial direction of a rotating shaft. 変形例３にかかる調整板を回転軸の軸方向から観た図である。FIG. 11 is a view of an adjustment plate according to Modification 3 as viewed from the axial direction of a rotating shaft.

本発明にかかる回転テーブルについて、好適な実施の形態を掲げ、添付の図面を参照しながら以下、詳細に説明する。 A rotary table according to the present invention will be described in detail below with reference to the accompanying drawings, showing preferred embodiments.

［実施の形態］
図１は、実施の形態にかかる回転テーブル１０の断面図である。回転テーブル１０は、テーブル１２と、回転軸１４およびハウジング１６を有する回転部１８と、回転部１８を支持する支持部２０と、支持部２０に対する回転軸１４の角度を調整する調整板２２と、を備える。テーブル１２は、図示していないワーク等を載置して、テーブル１２に接続されている回転軸１４により回転される。支持部２０は、工作機械または床に設置されている。 [Embodiment]
FIG. 1 is a sectional view of a rotary table 10 according to the embodiment. The rotary table 10 includes a table 12, a rotary unit 18 having a rotary shaft 14 and a housing 16, a support unit 20 that supports the rotary unit 18, and an adjustment plate 22 that adjusts an angle of the rotary shaft 14 with respect to the support unit 20. Equipped with. A work (not shown) is placed on the table 12, and the table 12 is rotated by a rotary shaft 14 connected to the table 12. The support 20 is installed on a machine tool or a floor.

ハウジング１６は、回転軸１４を回転可能に支持する。具体的には、ハウジング１６は、回転軸１４を回転可能に支持する円筒部１６ａと、円筒部１６ａの端部に設けられたフランジ部１６ｂと、を有している。そして、円筒部１６ａには回転軸１４を回転可能に支持する軸受部１６ｃが設けられている。 The housing 16 rotatably supports the rotating shaft 14. Specifically, the housing 16 has a cylindrical portion 16a that rotatably supports the rotating shaft 14, and a flange portion 16b provided at an end of the cylindrical portion 16a. The cylindrical portion 16a is provided with a bearing portion 16c that rotatably supports the rotating shaft 14.

支持部２０は、円筒部１６ａを挿入可能な貫通孔２０ａを有し、貫通孔２０ａに円筒部１６ａが挿入された状態でフランジ部１６ｂを支持している。具体的には、支持部２０とフランジ部１６ｂとは、調整板２２を間に挟んだ状態でボルト２４により固定されている。 The support portion 20 has a through hole 20a into which the cylindrical portion 16a can be inserted, and supports the flange portion 16b in a state where the cylindrical portion 16a is inserted into the through hole 20a. Specifically, the support portion 20 and the flange portion 16b are fixed by a bolt 24 with the adjusting plate 22 sandwiched therebetween.

図２は、調整板２２を図１と同じ方向から観た断面図である。図３は、調整板２２を回転軸１４の軸方向から観た図である。調整板２２は、ハウジング１６の円筒部１６ａが挿入可能な挿入孔２２ａを有しており、上述したように支持部２０とフランジ部１６ｂとの間に設けられていて、ボルト２４によって支持部２０およびフランジ部１６ｂにしっかりと固定されている。そして、図２に示されるように、調整板２２は、回転軸１４の軸方向の厚みが所定の傾斜角θで変化するように形成されている。 FIG. 2 is a sectional view of the adjusting plate 22 viewed from the same direction as FIG. FIG. 3 is a view of the adjusting plate 22 viewed from the axial direction of the rotary shaft 14. The adjustment plate 22 has an insertion hole 22a into which the cylindrical portion 16a of the housing 16 can be inserted, is provided between the support portion 20 and the flange portion 16b as described above, and is supported by the bolt 24. And is firmly fixed to the flange portion 16b. Then, as shown in FIG. 2, the adjusting plate 22 is formed so that the axial thickness of the rotating shaft 14 changes at a predetermined inclination angle θ.

上記のような構成の回転テーブル１０の組み立て時において、回転軸１４の支持部２０に対する角度を調整したい場合に、調整したい角度に相当する傾斜角θの調整板２２を用意しておく。これにより、回転軸１４の支持部２０に対する角度を簡易に調整することができる。また、傾斜角θが異なる調整板２２を複数用意しておけば、所望の傾斜角θを有する調整板２２を１枚選択して、支持部２０とフランジ部１６ｂとの間に設置することにより、回転軸１４の支持部２０に対する角度を簡易且つ選択的に調整することができる。また、１枚の調整板２２の設置位置を回転軸１４の軸方向に回転させることにより、支持部２０に対して角度を有する方向を容易に調整することもできる。 When it is desired to adjust the angle of the rotary shaft 14 with respect to the support portion 20 when the rotary table 10 having the above-described configuration is assembled, an adjustment plate 22 having an inclination angle θ corresponding to the desired angle is prepared. Thereby, the angle of the rotary shaft 14 with respect to the support portion 20 can be easily adjusted. If a plurality of adjusting plates 22 having different inclination angles θ are prepared, one adjusting plate 22 having a desired inclination angle θ is selected and installed between the supporting portion 20 and the flange portion 16b. The angle of the rotary shaft 14 with respect to the support portion 20 can be easily and selectively adjusted. Further, by rotating the installation position of the single adjusting plate 22 in the axial direction of the rotary shaft 14, it is possible to easily adjust the direction having an angle with respect to the support portion 20.

［変形例］
上記実施の形態は、以下のように変形してもよい。 [Modification]
The above embodiment may be modified as follows.

（変形例１）
図４は、変形例１にかかる回転テーブル１０の断面図である。変形例１にかかる回転テーブル１０は、調整板２２を複数有している。そして、複数の調整板２２は、重ねられた状態で、支持部２０とフランジ部１６ｂとの間に設けられている。図４では、２枚の調整板２２が重ねられた状態で、支持部２０とフランジ部１６ｂとの間に設けられている様子が示されている。図５は、２枚の調整板２２を図４と同じ方向から観た断面図である。２枚の調整板２２のうちいずれか１枚を回転軸１４の軸方向に回転させることにより、調整板２２を取り換えることなしに、回転軸１４の支持部２０に対する角度を簡易に調整することができる。 (Modification 1)
FIG. 4 is a cross-sectional view of the rotary table 10 according to the first modification. The rotary table 10 according to the first modification has a plurality of adjusting plates 22. Then, the plurality of adjustment plates 22 are provided between the support portion 20 and the flange portion 16b in a stacked state. FIG. 4 shows a state in which the two adjusting plates 22 are provided between the supporting portion 20 and the flange portion 16b in a stacked state. FIG. 5 is a sectional view of the two adjusting plates 22 viewed from the same direction as FIG. By rotating any one of the two adjusting plates 22 in the axial direction of the rotating shaft 14, the angle of the rotating shaft 14 with respect to the support portion 20 can be easily adjusted without replacing the adjusting plate 22. it can.

図４および図５では、２枚の調整板２２の傾斜角θが等しい場合を示してある。傾斜角が等しい２枚の調整板２２を用いることにより、２枚の調整板２２の傾斜角が逆に組み合わさった状態では回転軸１４の支持部２０に対する角度を変化させないこと、すなわち支持部２０の設置面に対して回転軸１４の軸方向を水平に保つことも可能となる。なお、２枚の調整板２２の傾斜角は異なるようにしてもかまわない。 4 and 5 show the case where the inclination angles θ of the two adjusting plates 22 are equal. By using the two adjusting plates 22 having the same inclination angle, the angle of the rotating shaft 14 with respect to the supporting portion 20 is not changed in a state where the inclination angles of the two adjusting plates 22 are reversely combined, that is, the supporting portion 20. It is also possible to keep the axial direction of the rotary shaft 14 horizontal with respect to the installation surface. The inclination angles of the two adjusting plates 22 may be different.

また、複数の調整板２２は３枚以上であってもよく、そのうちの少なくとも１枚を回転軸１４の軸方向に回転させることにより、調整板２２を取り換えることなしに、回転軸１４の支持部２０に対する角度を簡易且つ高い精度で調整することができる。 Further, the plurality of adjusting plates 22 may be three or more, and at least one of the adjusting plates 22 is rotated in the axial direction of the rotating shaft 14 so as to support the rotating shaft 14 without replacing the adjusting plate 22. The angle with respect to 20 can be easily adjusted with high accuracy.

（変形例２）
図１の回転テーブル１０においては、調整板２２は、ボルト２４を回避する位置に設置されていた。しかし、ボルト２４が調整板２２を貫通するようにしてもよい。図６は、変形例２にかかる調整板２２を回転軸１４の軸方向から観た図である。変形例２にかかる調整板２２にはボルト２４を貫通させることが可能なボルト孔２２ｂが調整板２２の周に複数設けられている。ボルト２４を貫通させるボルト孔２２ｂを選択することにより、調整板２２の設置位置を回転軸１４の軸方向の周りに調整できる。これにより、調整板２２は、ボルト２４を貫通させつつ回転軸１４の支持部２０に対する角度を簡易に調整することができる。 (Modification 2)
In the rotary table 10 shown in FIG. 1, the adjusting plate 22 was installed at a position where the bolt 24 was avoided. However, the bolt 24 may penetrate the adjustment plate 22. FIG. 6 is a view of the adjusting plate 22 according to the second modification as viewed from the axial direction of the rotary shaft 14. The adjusting plate 22 according to the second modification is provided with a plurality of bolt holes 22b through which the bolts 24 can pass, around the adjusting plate 22. By selecting the bolt hole 22b through which the bolt 24 penetrates, the installation position of the adjusting plate 22 can be adjusted around the axial direction of the rotating shaft 14. Thereby, the adjusting plate 22 can easily adjust the angle of the rotating shaft 14 with respect to the supporting portion 20 while penetrating the bolt 24.

（変形例３）
図７は、変形例３にかかる調整板２２を回転軸１４の軸方向から観た図である。変形例３にかかる調整板２２にはボルト２４を貫通させる位置を孔内で選択することが可能な長孔のボルト孔２２ｃが調整板２２の周に２つ設けられている。ボルト孔２２ｃの中でボルト２４を貫通させる位置を選択することにより、調整板２２の設置位置を回転軸１４の軸方向の周りに調整することができる。これにより、調整板２２は、ボルト２４を貫通させつつ回転軸１４の支持部２０に対する角度を簡易に調整することができる。 (Modification 3)
7: is the figure which looked at the adjusting plate 22 concerning the modification 3 from the axial direction of the rotating shaft 14. As shown in FIG. The adjustment plate 22 according to the modification 3 is provided with two elongated bolt holes 22c around the adjustment plate 22 that allow the position where the bolt 24 is penetrated to be selected within the hole. The installation position of the adjusting plate 22 can be adjusted around the axial direction of the rotary shaft 14 by selecting the position where the bolt 24 penetrates in the bolt hole 22c. Thereby, the adjusting plate 22 can easily adjust the angle of the rotating shaft 14 with respect to the supporting portion 20 while penetrating the bolt 24.

（変形例４）
上記実施の形態および変形例１〜３は、矛盾の生じない範囲で任意に組み合わされてもよい。 (Modification 4)
The above-described embodiment and modifications 1 to 3 may be arbitrarily combined as long as no contradiction occurs.

［実施の形態から得られる発明］
上記実施の形態から把握しうる発明について、以下に記載する。 [Invention Obtained from Embodiment]
The invention which can be understood from the above-described embodiment will be described below.

（第１の発明）
回転テーブル（１０）は、テーブル（１２）と、テーブル（１２）を回転させるための回転軸（１４）と、回転軸（１４）を回転可能に支持するハウジング（１６）と、を有する回転部（１８）と、回転部（１８）を支持する支持部（２０）と、を備える。ハウジング（１６）は、回転軸（１４）を回転可能に支持する円筒部（１６ａ）と、円筒部（１６ａ）の端部に設けられたフランジ部（１６ｂ）と、を有し、支持部（２０）は、円筒部（１６ａ）を挿入可能な貫通孔（２０ａ）を有し、貫通孔（２０ａ）に円筒部（１６ａ）が挿入された状態でフランジ部（１６ｂ）を支持し、円筒部（１６ａ）が挿入可能な挿入孔（２２ａ）を有し、支持部（２０）とフランジ部（１６ｂ）との間に設けられ、支持部（２０）に対する回転軸（１４）の角度を調整する調整板（２２）をさらに備え、調整板（２２）は、回転軸（１４）の軸方向の厚みが所定の傾斜角で変化するように形成されている。 (First invention)
The rotary table (10) includes a table (12), a rotary shaft (14) for rotating the table (12), and a housing (16) rotatably supporting the rotary shaft (14). (18) and a supporting part (20) for supporting the rotating part (18). The housing (16) has a cylindrical portion (16a) that rotatably supports the rotating shaft (14), and a flange portion (16b) provided at an end of the cylindrical portion (16a). 20) has a through hole (20a) into which the cylindrical portion (16a) can be inserted, and supports the flange portion (16b) with the cylindrical portion (16a) inserted in the through hole (20a). (16a) has an insertion hole (22a) into which it can be inserted and is provided between the support part (20) and the flange part (16b) to adjust the angle of the rotation shaft (14) with respect to the support part (20). The adjusting plate (22) is further provided, and the adjusting plate (22) is formed so that the axial thickness of the rotating shaft (14) changes at a predetermined inclination angle.

これにより、回転テーブル（１０）の組み立て時に、回転軸（１４）の角度を簡易に調整することができる。 This allows the angle of the rotary shaft (14) to be easily adjusted when the rotary table (10) is assembled.

回転テーブル（１０）は、調整板（２２）を複数有し、複数の調整板（２２）は、重ねられた状態で、支持部（２０）とフランジ部（１６ｂ）との間に設けられてもよい。これにより、調整板（２２）を取り換えることなしに、回転軸（１４）の支持部（２０）に対する角度を簡易且つ高い精度で調整することができる。 The rotary table (10) has a plurality of adjusting plates (22), and the plurality of adjusting plates (22) are provided between the support portion (20) and the flange portion (16b) in a stacked state. Good. Accordingly, the angle of the rotary shaft (14) with respect to the support portion (20) can be easily adjusted with high accuracy without replacing the adjustment plate (22).

回転テーブル（１０）は、傾斜角が等しい調整板（２２）が２枚設けられていてもよい。これにより、支持部（２０）の設置面に対して回転軸（１４）の軸方向を水平に保つことができる。 The rotary table (10) may be provided with two adjusting plates (22) having the same inclination angle. Thereby, the axial direction of the rotating shaft (14) can be kept horizontal with respect to the installation surface of the support portion (20).

１０…回転テーブル １２…テーブル
１４…回転軸 １６…ハウジング
１６ａ…円筒部 １６ｂ…フランジ部
１６ｃ…軸受部 １８…回転部
２０…支持部 ２０ａ…貫通孔
２２…調整板 ２２ａ…挿入孔
２２ｂ、２２ｃ…ボルト孔 ２４…ボルト 10... Rotating table 12... Table 14... Rotating shaft 16... Housing 16a... Cylindrical part 16b... Flange part 16c... Bearing part 18... Rotating part 20... Support part 20a... Through hole 22... Adjusting plate 22a... Insertion holes 22b, 22c... Bolt hole 24... Bolt

Claims (3)

テーブルと、
前記テーブルを回転させるための回転軸と、前記回転軸を回転可能に支持するハウジングと、を有する回転部と、
前記回転部を支持する支持部と、
を備える、回転テーブルであって、
前記ハウジングは、前記回転軸を回転可能に支持する円筒部と、前記円筒部の端部に設けられたフランジ部と、を有し、
前記支持部は、前記円筒部を挿入可能な貫通孔を有し、前記貫通孔に前記円筒部が挿入された状態で前記フランジ部を支持し、
前記円筒部が挿入可能な挿入孔を有し、前記支持部と前記フランジ部との間に設けられ、前記支持部に対する前記回転軸の角度を調整する調整板をさらに備え、
前記調整板は、前記回転軸の軸方向の厚みが所定の傾斜角で変化するように形成されている、回転テーブル。 A table,
A rotary unit having a rotary shaft for rotating the table, and a housing rotatably supporting the rotary shaft,
A support portion that supports the rotating portion,
A rotary table comprising:
The housing has a cylindrical portion that rotatably supports the rotating shaft, and a flange portion provided at an end portion of the cylindrical portion,
The support portion has a through hole into which the cylindrical portion can be inserted, and supports the flange portion in a state where the cylindrical portion is inserted into the through hole,
The cylindrical portion has an insertion hole that can be inserted, further comprises an adjusting plate provided between the supporting portion and the flange portion, for adjusting the angle of the rotating shaft with respect to the supporting portion,
The rotary plate is formed so that the axial thickness of the rotary shaft changes at a predetermined tilt angle. 請求項１に記載の回転テーブルであって、
前記調整板を複数有し、
複数の前記調整板は、重ねられた状態で、前記支持部と前記フランジ部との間に設けられている、回転テーブル。 The rotary table according to claim 1, wherein
Having a plurality of the adjusting plates,
A rotary table in which the plurality of adjusting plates are provided between the supporting portion and the flange portion in a stacked state. 請求項２に記載の回転テーブルであって、
前記傾斜角が等しい前記調整板が２枚設けられている、回転テーブル。 The rotary table according to claim 2, wherein
A rotary table provided with two adjusting plates having the same inclination angle.
JP2018238236A 2018-12-20 2018-12-20 Rotary table Pending JP2020099955A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08215964A (en) * 1995-02-10 1996-08-27 Rap Master S F T Kk Inclination adjusting mechanism for base plate
JPH11808A (en) * 1997-06-05 1999-01-06 Polytool Ag Eccentricity correcting device for tool
JP2004042236A (en) * 2002-07-16 2004-02-12 Nachi Fujikoshi Corp Worktable inclination adjusting device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08215964A (en) * 1995-02-10 1996-08-27 Rap Master S F T Kk Inclination adjusting mechanism for base plate
JPH11808A (en) * 1997-06-05 1999-01-06 Polytool Ag Eccentricity correcting device for tool
JP2004042236A (en) * 2002-07-16 2004-02-12 Nachi Fujikoshi Corp Worktable inclination adjusting device

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