JPS58137534A - Driver for table - Google Patents
Driver for tableInfo
- Publication number
- JPS58137534A JPS58137534A JP2095182A JP2095182A JPS58137534A JP S58137534 A JPS58137534 A JP S58137534A JP 2095182 A JP2095182 A JP 2095182A JP 2095182 A JP2095182 A JP 2095182A JP S58137534 A JPS58137534 A JP S58137534A
- Authority
- JP
- Japan
- Prior art keywords
- compressed air
- driving
- moved
- machining
- convex member
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0032—Arrangements for preventing or isolating vibrations in parts of the machine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
- B23Q5/38—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
- B23Q5/40—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw
- B23Q5/408—Nut bearings therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
Abstract
Description
【発明の詳細な説明】
直線移動可層なテーブルにヨーイング、ローリング、ピ
ッチングを生じないように直線移動せしめるテーブル駆
動装置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a table driving device that allows a linearly movable table to move linearly without causing yawing, rolling, or pitching.
従来、たとえば精密加工用の工作機械において、直線移
動する加工用テーブルの直線移動方式には次のような方
式のものがある。■ベット側に設けたボールネジの回転
をテーブル側に固設したナツトを介して直接テーブルを
駆動する方式、■ベット側に配設したビニオンと、テー
ブル側に固設したラックを噛合し、ピニオンを駆動する
ことにより直接テーブルを駆動する方式。■ベット上に
塔載したテーブルをロープによって結合し、所定の張力
を与えてテーブルを右左方向に駆動する方式。Conventionally, in machine tools for precision machining, for example, there are the following methods for linearly moving a processing table. ■ A method in which the rotation of a ball screw installed on the bed side directly drives the table via a nut fixed on the table side. ■ A pinion installed on the bed side meshes with a rack fixed on the table side to drive the pinion. A method of directly driving the table by driving it. ■A method in which a table mounted on a bed is connected with a rope, and a predetermined tension is applied to drive the table from side to side.
■の方式は ネジ(普通ネジ、ボールネジ)の曲り、撓
み、取付誤差によってテーブルの移動方向以外力がテー
ブルに作用するので加工精度に悪影響を与えるという欠
点がある。Method (2) has the disadvantage that the bending, deflection, and mounting errors of the screws (regular screws, ball screws) cause force to act on the table in a direction other than the table's movement direction, which adversely affects machining accuracy.
■の方式は ラックとピニオンの噛み合いによって移動
方向と直角な方向の力が発生するので加工精度に悪影響
を与える。Method (2) generates force in the direction perpendicular to the direction of movement due to the meshing of the rack and pinion, which has a negative impact on machining accuracy.
■の方式は ネジ、ラックとピニオンのような外乱を発
生しないがロープに伸びを生ずるため駆動系の剛性が低
くなるという欠点があった。Method (2) does not generate disturbances like screws, racks, and pinions, but it has the disadvantage that the rigidity of the drive system decreases because the rope stretches.
本発明は直線移動可能なテーブルにヨーイング、ローリ
ング、ピッチングを発生することなく、テーブルを移動
せしめるように構成したテーブルの駆動装置を提供する
ことにある。An object of the present invention is to provide a table driving device configured to move a linearly movable table without causing yawing, rolling, or pitching.
第1図および第2図において、10は床上に載置された
ベラ)10で、ペラ)10の上面には一対の摺動面10
aを形成している。揺動面10上には加工用テーブル1
2および駆動用テーブル14が塔載されている0テーブ
ル12とテーブルする。すなわちテーブル12の一側面
には凹状部材13を固設し、駆動用テーブル14はテー
ブル12と対向する側面に凹状部材13と遊合する凸状
部材15を固設している。凸状部材15の凸部には第3
図に示すように多数の空気孔21が穿孔され、凸状部材
15およびテーブル14には空気孔21に通じる溝穴1
6を穴明けし溝穴16と外部の圧縮空気供給装置(図示
省略)はフレキシブルなビニール管17を介して接続さ
れている。また、ベット10に装着したモーター20に
よってその出力軸に1体的に回転するボールネジ19を
具備し、テーブル14の底部にポールネジ19と螺合す
るポールナ、ト18を固着している。In FIGS. 1 and 2, 10 is a spatula 10 placed on the floor, and the top surface of the spatula 10 has a pair of sliding surfaces 10.
It forms a. A processing table 1 is placed on the swinging surface 10.
2 and a driving table 14 are mounted on the 0 table 12. That is, a concave member 13 is fixedly provided on one side of the table 12, and a convex member 15 that engages with the concave member 13 is fixedly provided on the side of the drive table 14 facing the table 12. The convex portion of the convex member 15 has a third
As shown in the figure, a large number of air holes 21 are perforated, and the convex member 15 and table 14 have slots 1 communicating with the air holes 21.
6 is bored and a slot 16 is connected to an external compressed air supply device (not shown) via a flexible vinyl pipe 17. Further, a ball screw 19 is provided on the output shaft of the motor 20 mounted on the bed 10, and a ball screw 19 is integrally rotated, and a pole nut 18 is fixed to the bottom of the table 14 to be screwed into the pole screw 19.
したがって、圧縮空気供給装置(図示省略)から圧縮空
気をホース17を介して溝穴16より空Φ ◆
気孔21に導びき凸状部材と凹状部材のUの字形遊合部
に圧縮空気を噴出して圧縮空気膜を形成と共にモータ2
0を駆動しポールネジ190回転をポールナツト18の
螺合によって直線運動に変侠畢
し、テーブル14を移動する。凸状部材と凹状部材13
とによって形成したUの字形の遊合部は前記圧縮空気膜
を介して係合しているので、テーブル14の移動力によ
ってテーブル12を従動せしめることができる。Therefore, compressed air is introduced from the compressed air supply device (not shown) through the hose 17 through the slot 16 and into the air hole 21, and the compressed air is ejected into the U-shaped joint between the convex member and the concave member. to form a compressed air film and the motor 2
0, the rotation of the pole screw 190 is changed into a linear motion by screwing the pole nut 18, and the table 14 is moved. Convex member and concave member 13
Since the U-shaped play portion formed by the two members engages with each other via the compressed air film, the table 12 can be driven by the moving force of the table 14.
したがって、モータ20、ボールネジ19およびポール
ナツト18等の駆動系に生ずる振動、曲り、撓み等によ
って直線方向の移動刀身の外力が圧縮空気膜で吸収され
るため、テーブル12にはヨーイング、ローリング、ピ
ッチングの影響を与えることがないので、テーブル12
上の加工物の加工に際し、高精度の加工を行なうことが
できる。Therefore, the compressed air film absorbs the external force of the blade moving in the linear direction due to vibration, bending, deflection, etc. generated in the drive system of the motor 20, ball screw 19, pole nut 18, etc. Since it has no effect, Table 12
High precision processing can be performed when processing the above workpiece.
なお凸状部材、凹状部材の形状については本実施以外に
も次のような態様があるので説明する。It should be noted that the shapes of the convex member and the concave member will be explained because there are the following modes in addition to the present embodiment.
第4図に示すものは、駆動側のテーブル14には凸状部
として球面部を有する部材31を設け、テーブル12側
には凹面状の球面を有する部材32設け、部材31と部
材32の球面同士を遊合し、部材31の球面に設けた放
射線上の空気孔33に通じる溝穴34を介して、テーブ
ル14側より圧縮空気を供給するように構成されてる。In the device shown in FIG. 4, a member 31 having a spherical surface as a convex portion is provided on the drive side table 14, a member 32 having a concave spherical surface is provided on the table 12 side, and the spherical surfaces of the member 31 and the member 32 are provided. Compressed air is supplied from the table 14 side through slots 34 communicating with radial air holes 33 provided on the spherical surface of the member 31.
したがって、駆動系に生ずるローリング、ピッチング、
ヨーイングに対しフレキシブルに対応することができる
という特徴がある〇
第5図に示すものは凸状部材41と凹状部材42が水平
面内で円弧面同士で遊合している例を示す。この例の場
合には駆動系のヨーイング、ピッチングに対して効果的
である。Therefore, rolling, pitching, and
It has the characteristic of being able to flexibly respond to yawing. The one shown in FIG. 5 shows an example in which a convex member 41 and a concave member 42 are disposed in a horizontal plane with their arcuate surfaces interlocking with each other. This example is effective against yawing and pitching of the drive system.
以上、述べたように本発明は、直線移動可能なテーブル
にヨーイング、ローリング、ピッチングを発生すること
なく、テーブルを移動せしめることができる。As described above, the present invention can move a linearly movable table without causing yawing, rolling, or pitching.
第1図は本発明の装置を示す平面図。第2図は第1図に
示す■−■断面を示す断面図。第3図は第2図に示すl
ll−1[1断面を示す断面図。第4図は第2の実施例
を示す平面図、第5図は第3の実施例を示す平面図。
12:加工用テーブル、13:凹状部材、l4:駆動用
テーブル、15:凸状部材。
出願人 東芝機械株式会社
、」
74B!1
75図FIG. 1 is a plan view showing the apparatus of the present invention. FIG. 2 is a sectional view taken along the line ■-■ shown in FIG. Figure 3 shows the l shown in Figure 2.
ll-1[1 cross-sectional view showing the cross section. FIG. 4 is a plan view showing the second embodiment, and FIG. 5 is a plan view showing the third embodiment. 12: Processing table, 13: Concave member, l4: Driving table, 15: Convex member. Applicant: Toshiba Machine Co., Ltd.,” 74B! 1 75 figure
Claims (4)
動テーブルと、同移動テーブルの一側面に固設した凹状
部材と、同凹形部材と遊合する凸状部材と、同凸状部材
を同着した直線移動可能な駆動用テーブルと、前記凸状
部材または凹状部材の遊合部に圧縮空気を供給すべく孔
明された複数の空気孔と、同空気孔に圧縮を供給する圧
縮空気供給装置からなり前記駆動側テーブルを直線移動
することによって前記移動テーブルを追従して移動する
ようにしたことを特徴とするテーブル駆動装置。(1) A movable table that can be moved in a straight line and is mounted on a bed, a concave member fixed to one side of the movable table, a convex member that fits with the concave member, and the convex member. a linearly movable drive table having attached thereto; a plurality of air holes formed to supply compressed air to the joint portion of the convex member or the concave member; and compressed air for supplying compression to the air holes. What is claimed is: 1. A table driving device comprising a supply device, and configured to move the driving side table in a straight line so as to follow the movable table.
面を成形したことを特徴とする特許請求の範囲第1記載
のテーブル駆動装置。(2) The table driving device according to claim 1, wherein the mating portion between the convex member and the concave member is formed by forming two planes facing each other.
向面を成形したことを特徴とする特許請求の範囲第1記
載のテーブル駆動装置。(3) The table driving device according to claim 1, wherein the mating portion between the convex member and the concave member is formed by forming arcuate surfaces facing each other.
面を成形したことを特徴とする特許請求の範囲第1項記
載のテーブル駆動装置。(4) The table driving device according to claim 1, wherein the recessed portion between the convex member and the concave member is formed by forming spherical opposing surfaces.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2095182A JPS58137534A (en) | 1982-02-12 | 1982-02-12 | Driver for table |
PCT/JP1983/000041 WO1983002743A1 (en) | 1982-02-12 | 1983-02-10 | Table driving device for machine tool |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2095182A JPS58137534A (en) | 1982-02-12 | 1982-02-12 | Driver for table |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS58137534A true JPS58137534A (en) | 1983-08-16 |
Family
ID=12041494
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2095182A Pending JPS58137534A (en) | 1982-02-12 | 1982-02-12 | Driver for table |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS58137534A (en) |
WO (1) | WO1983002743A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5971812A (en) * | 1982-10-19 | 1984-04-23 | 松下電器産業株式会社 | Sliding table |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5142695B2 (en) * | 1971-09-29 | 1976-11-17 | ||
JPS5635543Y2 (en) * | 1977-11-04 | 1981-08-21 | ||
JPS6030864B2 (en) * | 1980-07-18 | 1985-07-18 | 日本精工株式会社 | Mobile platform device |
-
1982
- 1982-02-12 JP JP2095182A patent/JPS58137534A/en active Pending
-
1983
- 1983-02-10 WO PCT/JP1983/000041 patent/WO1983002743A1/en unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5971812A (en) * | 1982-10-19 | 1984-04-23 | 松下電器産業株式会社 | Sliding table |
JPS637903B2 (en) * | 1982-10-19 | 1988-02-18 | Matsushita Electric Ind Co Ltd |
Also Published As
Publication number | Publication date |
---|---|
WO1983002743A1 (en) | 1983-08-18 |
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