JPS59201737A - Spindle control device - Google Patents
Spindle control deviceInfo
- Publication number
- JPS59201737A JPS59201737A JP7538583A JP7538583A JPS59201737A JP S59201737 A JPS59201737 A JP S59201737A JP 7538583 A JP7538583 A JP 7538583A JP 7538583 A JP7538583 A JP 7538583A JP S59201737 A JPS59201737 A JP S59201737A
- Authority
- JP
- Japan
- Prior art keywords
- main shaft
- spindle
- feed
- feed screw
- shaft
- 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.)
- Granted
Links
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000003028 elevating effect Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Jigs For Machine Tools (AREA)
- Gripping On Spindles (AREA)
- Turning (AREA)
Abstract
Description
【発明の詳細な説明】 く技術分野〉 本発明は、工作機械の主軸制御装置に関する。[Detailed description of the invention] Technical fields> The present invention relates to a spindle control device for a machine tool.
〈従来技術〉
主軸を回転可能に軸支したタイルを移動可能に内装した
タイルタイプの主軸頭におり・で、従来、主軸・タイル
の移動は、第１図に示すように主軸頭内部で主軸頭側に
両端部を軸支した送リネンａに螺合するナラ１ｂを、ク
イルＣの側部に固設し、送りネジａの回転によりナラ）
ｂ及びクイルＣ１主軸ｄか移動するようにされているの
か一般的である。<Prior art> As shown in Figure 1, movement of the spindle and tile was carried out by rotating the spindle inside the spindle head. A quill 1b, which is screwed onto the feed linen a whose both ends are pivoted on the head side, is fixed to the side of the quill C, and the quill is rotated by the rotation of the feed screw a.
Generally, both the main shaft d and the main axis d of the quill C1 are movable.
しかしこの方式では送りネジａの中心とクイルＣの外周
面の摺動部の中心が一致していなし・ため、送り力の偏
心モーメントが発生し、クイルＣの送りの真直性が損わ
れ、特に深穴ポーリング等の加工精度を低下させる要因
となっていた。However, in this method, the center of the feed screw a and the center of the sliding part on the outer peripheral surface of the quill C do not coincide, so an eccentric moment of the feed force is generated, which impairs the straightness of the feed of the quill C. This was a factor that reduced machining accuracy such as deep hole polling.
〈目的〉
本発明は、上記の不具合をなくすため、主軸及びタイル
の中心と送りネジの中心を一致させ得る送り駆動装置を
具えた主軸制御装置の提供を目的としている。<Objective> In order to eliminate the above-mentioned problems, the present invention aims to provide a spindle control device equipped with a feed drive device that can align the center of the spindle and tile with the center of the feed screw.
〈実施例〉
以下、本発明の一実施例を第２図ないし第４図に基づい
て説明する。図中Ｒはクロスルールで、その摺動部に横
移動可能に主軸頭」が装架され、該主軸頭１の内部には
昇降可能に装架されたクイル９か、またクイル９内には
回転可能ｉこ主軸８か′軸支されている。<Example> Hereinafter, an example of the present invention will be described based on FIGS. 2 to 4. R in the figure is a cross rule, and a spindle head is mounted on the sliding part of the cross rule so as to be able to move laterally. A rotatable main shaft 8 is supported.
主軸頭１の上部に主軸８の回転変換用ギヤを内装した主
軸駆動ギヤケース２か設置され、該主軸駆動ギヤケース
２の上部に主軸８の回転用の主軸駆動モータ３が設置さ
れている。主軸駆動モータ３のモータ軸と主軸８とは、
モータピニオン、連結ギヤ、変換ギヤによって連結され
、主軸駆動モータ３の回転か主軸８に伝達され、主軸８
か回転するようにされることにより、主軸駆動装置Ａか
構成される。A spindle drive gear case 2 containing a gear for rotating the spindle 8 is installed above the spindle head 1, and a spindle drive motor 3 for rotating the spindle 8 is installed above the spindle drive gear case 2. The motor shaft of the main shaft drive motor 3 and the main shaft 8 are:
The rotation of the main shaft drive motor 3 is transmitted to the main shaft 8, and the rotation of the main shaft drive motor 3 is transmitted to the main shaft 8.
The spindle drive device A is configured by causing the spindle to rotate.
主軸駆動モータ３に近接して主軸駆動ギヤケース２の上
部に、送り駆動装置５か設置され、該装置５の」二部に
は主軸８、クイル９を軸線方向に移動するための駆動部
の主軸送りギヤケース６が設置されている。さらに、主
軸送りギヤケース６の」二部に工具着脱のためのシリン
グ−７が設置されている。また主軸送りギヤケース６の
後部下面に主軸送り駆動用の主軸駆動モータ４か上向き
に垂設されている。A feed drive device 5 is installed on the upper part of the main shaft drive gear case 2 in the vicinity of the main shaft drive motor 3, and the second part of the device 5 has a main shaft 8 and a main shaft of a drive section for moving the quill 9 in the axial direction. A feed gear case 6 is installed. Furthermore, a sill 7 for attaching and detaching tools is installed in the second part of the main shaft feed gear case 6. Further, a spindle drive motor 4 for driving the spindle feed is provided vertically upward on the rear lower surface of the spindle feed gear case 6.
なお、前記シリンダー７は主軸頭１に内装された主軸８
と中心線か一致するよう設置されている。Note that the cylinder 7 is connected to a main shaft 8 installed inside the main shaft head 1.
It is installed so that it coincides with the center line.
主軸８の下端の頭部８ａはクイル９の下端部に突設され
、他方の上部は主軸駆動ギヤケース２内に貫通され送り
駆動装置５の本体Ｓａ内に設置されたハウジング１３内
に軸支されている。また主軸８の中心部には１１通穴１
０が開けられており、貫通穴１０内の下方には工具Ｅの
着ｌＢ！、装置［３を構成する工具′ＸＪ脱用軸１１が
昇降可能に挿入さえ尤でいる。さらに主軸８の貫通穴］
０内で軸］コの−Ｌ部位置に主軸８を昇降するための送
りネット゛１か回転可能に挿入されている。該送リネン
１４の下端部は細径にされ、細径外周部に軸受１５が嵌
入されている。また軸受１５の外周部はハウジング１６
で保持され、さらにハウジング１６の外周面にスライド
７ツシユ１７か嵌入され固定されている。スライド７ツ
シユ１７の外周面は主軸８の内周面に当接されており、
回転自在かつガ降自在とされている。The head 8a at the lower end of the main shaft 8 is provided to protrude from the lower end of the quill 9, and the other upper part is pivotally supported in a housing 13 that penetrates into the main shaft drive gear case 2 and is installed in the main body Sa of the feed drive device 5. ing. In addition, there are 11 through holes in the center of the main shaft 8.
0 is drilled, and the tool E is attached to the lower part of the through hole 10. , the tool'XJ removal shaft 11 constituting the device [3 can even be inserted in a vertically movable manner. Furthermore, the through hole of the main shaft 8]
A feed net 1 for raising and lowering the main shaft 8 is rotatably inserted in the -L position of the shaft 8 within the shaft. The lower end of the feed linen 14 has a small diameter, and a bearing 15 is fitted into the small diameter outer periphery. Further, the outer circumference of the bearing 15 is connected to the housing 16.
The slide 7 is held by the housing 16, and a slide 7 bush 17 is fitted and fixed to the outer circumferential surface of the housing 16. The outer peripheral surface of the slide 7 bush 17 is in contact with the inner peripheral surface of the main shaft 8,
It is said to be able to rotate freely and freely descend.
送りネジ１４のネジ部にはナツト２１か螺合され、該ナ
ツト２１の下面に円筒形のハウジング１３が固設されて
いる。ハウジング１３の外径部に垂直方向に回り止め用
のキー２２か゛固設され、該キー２２は、送り駆動装置
５の本体５ａ側面に垂直方向に設けたキー溝２３に滑動
自在に挿通されている。ハウジング１３の内径部に主軸
８の上端部が軸受２４，２５及び受は金４０によって回
転可能ｔこ挿着されている。このように構成された変換
装置Ｃの送すネ′）１４の回転により、キー２２によっ
て回転不能とされたナツト２１、ハウジング１３か昇降
され、さらにハウジング１３に挿着された主軸８が昇降
される。また、主軸８の軸方向移動のみをクイル９に伝
える伝動手段りは、両者８，９間の軸受１７．Ｆとスリ
ーブＧとから構成される。A nut 21 is screwed into the threaded portion of the feed screw 14, and a cylindrical housing 13 is fixed to the lower surface of the nut 21. A locking key 22 is vertically fixed to the outer diameter of the housing 13, and the key 22 is slidably inserted into a key groove 23 vertically provided on the side surface of the main body 5a of the feed drive device 5. There is. The upper end of the main shaft 8 is rotatably inserted into the inner diameter of the housing 13 by means of bearings 24, 25 and a ring 40. By the rotation of the feed screw 14 of the converter C configured in this way, the nut 21 and the housing 13, which are made non-rotatable by the key 22, are raised and lowered, and the main shaft 8 inserted into the housing 13 is also raised and lowered. Ru. Further, the transmission means for transmitting only the axial movement of the main shaft 8 to the quill 9 is a bearing 17 between the two 8 and 9. It consists of F and sleeve G.
送リネン１４の上端部は、送り駆動装置５の本体５ａの
上部と、主軸送りギヤケース６の底部間に挿着したハウ
ジング２６内で軸受４１を介して回転自在にされている
。また送ｌ）ネ：／１４の上端部には、主軸送りギヤケ
ース６内で送りギヤ２７がキー２ ｏ ） ２９によっ
て嵌着されている。なお送りネジ１４の」二端面ば主軸
送りギヤケース６の上部カバー；？９のは（ｒ上面位置
までとされている。The upper end of the feed linen 14 is rotatable via a bearing 41 within a housing 26 inserted between the top of the main body 5a of the feed drive device 5 and the bottom of the main shaft feed gear case 6. Further, a feed gear 27 is fitted into the upper end of the feed l)/14 within the main shaft feed gear case 6 by a key 2o) 29. Note that the two end surfaces of the feed screw 14 are connected to the upper cover of the spindle feed gear case 6; 9 is (r) up to the upper surface position.
送りネジ１４の軸心部に貫通穴が開けられ、該貫通穴内
に工具着脱用軸１１を押す押棒３１が挿通されている。A through hole is made in the axial center of the feed screw 14, and a push rod 31 for pushing the tool attachment/detachment shaft 11 is inserted into the through hole.
該押棒３１の上端部に螺着されたナラ）３２と送すネノ
］４の上端面間にスプリング３３が介装され、眺方の下
端部においても下端部（こ１茨着したスナンプリング３
４と送リネン゛１．１の下端面間にスプリング３５が介
装されている。これにより押棒３１は送すネ′）１４の
貫通穴内を軸方向に移動可能にされている。また押棒３
１の下端面は工具着脱用軸１１の上端面に近接（主軸８
が最上部位置にある時）し、上端面はシリンダ７内のピ
ストン杆３６の下端面に近接されている。A spring 33 is interposed between the upper end surface of the snap ring 32 screwed onto the upper end of the push rod 31 and the upper end surface of the feed ring 4,
A spring 35 is interposed between the linen 4 and the lower end surface of the linen 1.1. This allows the push rod 31 to move in the axial direction within the through hole of the feeding screw 14. Also push rod 3
1 is close to the upper end surface of the tool attachment/detachment shaft 11 (main shaft 8
is in the uppermost position), and the upper end surface is close to the lower end surface of the piston rod 36 in the cylinder 7.
主軸送りギヤケース６は、主軸送り装置５の上部で後部
を突出して固設されている。該主軸送りギヤケース６の
後部下面には、送りネジ回転のための駆動モータ４か上
向きに垂設されている。送りギヤケース６内に嵌入され
た駆動モータ４のモータ軸３７にピニオン３８か挿着さ
れ、該ピニオン３８は中間ギヤ３９、送りギヤ２７と連
結されており、駆動モータ４により送りネジ１４が回転
される。The main shaft feeding gear case 6 is fixedly installed at the upper part of the main shaft feeding device 5 with its rear part protruding. A drive motor 4 for rotating the feed screw is vertically installed on the rear lower surface of the main shaft feed gear case 6. A pinion 38 is inserted into the motor shaft 37 of the drive motor 4 fitted into the feed gear case 6, and the pinion 38 is connected to an intermediate gear 39 and the feed gear 27, and the drive motor 4 rotates the feed screw 14. Ru.
次に作動を説明すると、ＮＣ装置の指令により主軸送り
用モータ４が駆動され、該モータの回転により千〜り軸
３７に挿着されたピニオン３８、中間ギヤ３９、送りギ
ヤ２７を介して送りネジ゛１・１が回転する。送りネジ
１４のネジ部に螺合されたナンド２］とナツト２１に固
設されたハウソング１３は、これに固設されたえ−２２
と送Ｉ）装置壁部に設けられたキー溝２３との嵌合によ
って回転不能にされているため、ナツト２１、ハウソン
グ１３は送りネジ１４の軸方向に移動し、ノｚ’）ノン
グ１３の円筒部内に軸受２．！、２５、受は金４０によ
り軸支された主軸８もナツト２１、ｔ１１ンジング１３
の動きに応して移動し、主軸８の移動と共に主軸８を軸
支しているクイル９も移動する。Next, to explain the operation, the main shaft feed motor 4 is driven by a command from the NC device, and the rotation of the motor causes the feed to be sent via the pinion 38 inserted into the spindle shaft 37, the intermediate gear 39, and the feed gear 27. Screw 1.1 rotates. The nut 21, which is screwed onto the threaded portion of the feed screw 14, and the housing song 13, which is fixed to the nut 21, are attached to the nut 21.
Since the nut 21 and the number 13 are prevented from rotating by fitting into the keyway 23 provided on the wall of the device, the nut 21 and the number 13 move in the axial direction of the feed screw 14, and the number z') of the number 13 is Bearing 2 in the cylindrical part. ! , 25, the main shaft 8, which is supported by gold 40, also has nuts 21, t11 rings 13
The quill 9 that pivotally supports the main shaft 8 also moves as the main shaft 8 moves.
く効果〉
以上の説明から明らかな通り、本発明は、主軸頭１内１
こ軸方向移動自在に装架された中空のタイルつと、該ク
イル９内に回転可能に装架された中空の主軸８を回転駆
動する主軸駆動装置Ａと、前記主軸８とクイル９を同時
に軸方向に移動させるための送り駆動装置５と、前記主
軸８の頭部の工具を着脱するための］二兵着脱装置Ｂと
を具え、前記送り駆動装置５には、主軸８に内蔵された
中空の送りネジ部・１と、該送りネジ１４の回転を主軸
８の軸方向移動に変換する変換装置Ｃと、主軸８の軸方
向移動の７ツをクイル９に伝える伝動手段りとが設けら
れ、前記工具着脱装置Ｂには、送１）ネジ１４内に軸方
向移動自在に装架された押棒３］と、前記主軸８に軸方
向移動自在に装架された工具着脱用軸１］とか設けられ
ているものである。Effects〉 As is clear from the above explanation, the present invention has the following advantages:
A main shaft drive device A that rotationally drives a hollow tile mounted so as to be movable in the axial direction, a hollow main shaft 8 rotatably mounted within the quill 9, and a main shaft drive device A that rotationally drives the main shaft 8 and the quill 9 at the same time. The feed drive device 5 includes a feed drive device 5 for moving the tool in the direction, and a two-handed attachment/detachment device B for attaching and detaching the tool on the head of the main spindle 8. A feed screw portion 1 is provided, a conversion device C that converts the rotation of the feed screw 14 into axial movement of the main shaft 8, and a transmission means for transmitting the axial movement of the main shaft 8 to the quill 9. , the tool attachment/detachment device B includes a feeder 1) a push rod 3 mounted in the screw 14 so as to be movable in the axial direction, and a tool attachment/detachment shaft 1 mounted in the main shaft 8 so as to be movable in the axial direction. It is provided.
従って、本発明によると、主軸、タイルの中心と送りネ
ジの中心を一致させることが可能となり、これによりタ
イル送りの真直性を損う基本的な要因を除去できるとい
う優れた効果がある。Therefore, according to the present invention, it is possible to align the main axis, the center of the tile, and the center of the feed screw, which has the excellent effect of eliminating the fundamental factor that impairs the straightness of tile feeding.
第１図は従来装置の縦断面図、第２図は本発明芙施例の
縦断面図、第３図は同側面図、第・１図は同要部の縦断
面図、第５図は同一部の拡大縦断面し」である。
１：主軸頭、５：送り駆動装置、８：主軸、９：クイル
、１１：工具着脱用軸、１４：送りネジ、３１：押棒、
ｊ＼：主軸駆動装置、Ｂ：工具着脱装置、Ｏ：変換装置
、Ｄ：伝動手段。
出 願 人 新日本工機株式会社
代理人 中村恒久
特願昭５８−７５３８５号
３− Ｎｌｉ正をする者
事件との関係 出願人
名 称
（１″ 新日本工機株式会社
４代理人［株］５４１
住 所 大阪市東区南本町４丁目５７番地インペリア
ル船場６、補正により増加する発明の数
別紙の通り補正する。Fig. 1 is a longitudinal sectional view of the conventional device, Fig. 2 is a longitudinal sectional view of an embodiment of the present invention, Fig. 3 is a side view of the same, Fig. 1 is a longitudinal sectional view of the same main part, and Fig. 5 is a longitudinal sectional view of the conventional device. This is an enlarged longitudinal section of the same part. 1: Spindle head, 5: Feed drive device, 8: Spindle, 9: Quill, 11: Tool attachment/detachment shaft, 14: Feed screw, 31: Push rod,
J\: Main shaft drive device, B: Tool attachment/detachment device, O: Conversion device, D: Transmission means. Applicant Shin Nippon Koki Co., Ltd. Agent Tsunehisa Nakamura Patent Application No. 58-75385 3 - Relationship with the Nli Correction Case Address: 6 Imperial Senba, 4-57 Minamihonmachi, Higashi-ku, Osaka, Japan Number of inventions increased by amendment The amendments will be made as per the attached sheet.
Claims (1)
イル（９）と、該タイル（９）内に回転可能に装架され
た中空の主軸（８）を回転駆動する主軸駆動装置（Ａ）
と、前記主軸（８）とタイル（９）を同時に軸方向に移
動させるための送り駆動装置（５）と、前記主軸（８）
の頭部の工具を着脱するための工具着脱装置（Ｂ）とを
具え、前記送り駆動装置（５）には、主軸（８）に内′
ａされた中空の送りネ′）（１４）と、該送りネジ（１
４）の回転を主軸（８）の軸方向移動に変換する変換装
置（Ｃ）と、主軸（８）の軸方向移動のみをタイル（９
）に伝える伝動手段（Ｄ）とか設けられ、前記工具着脱
装ｆｉｆ（Ｂ）には、送りネ′）（１４）内に軸方向移
動自在に装架された押棒（３１）と、前記玉軸（８）に
軸方向移動自在に装架された工具着脱用軸（１１）とか
設けられていることを特徴とする主軸制御装置。A spindle drive that rotationally drives a hollow tile (9) mounted in the spindle head (1) so as to be movable in the axial direction, and a hollow main shaft (8) rotatably mounted in the tile (9). Device (A)
, a feed drive device (5) for simultaneously moving the main shaft (8) and the tile (9) in the axial direction, and the main shaft (8).
The feed drive device (5) is provided with a tool attachment/detachment device (B) for attaching/detaching the tool on the head of the head.
a hollow feed screw (14) and the feed screw (1)
A conversion device (C) converts the rotation of the main shaft (8) into an axial movement of the main shaft (8), and a conversion device (C) that converts the rotation of the main shaft (8) into an axial movement of the main shaft (8).
), and the tool attachment/detachment fif (B) includes a push rod (31) mounted movably in the axial direction in the feed screw (14), A spindle control device characterized in that (8) is provided with a tool attachment/detachment shaft (11) mounted so as to be movable in the axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7538583A JPS59201737A (en) | 1983-04-27 | 1983-04-27 | Spindle control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7538583A JPS59201737A (en) | 1983-04-27 | 1983-04-27 | Spindle control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59201737A true JPS59201737A (en) | 1984-11-15 |
| JPH0112619B2 JPH0112619B2 (en) | 1989-03-01 |
Family
ID=13574671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7538583A Granted JPS59201737A (en) | 1983-04-27 | 1983-04-27 | Spindle control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59201737A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS644534U (en) * | 1987-06-26 | 1989-01-12 | ||
| CN102922396A (en) * | 2012-11-29 | 2013-02-13 | 无锡富岛精工有限公司 | Telescopic bracket |
| JP2023509430A (en) * | 2019-12-31 | 2023-03-08 | セントレ テクニーク デ インダストリーズ メカニークス | Electric spindle with integrated feed with automatic toolholder change |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53130588A (en) * | 1978-04-17 | 1978-11-14 | Genyuu Kitaguchi | Drill unit |
| JPS57105111U (en) * | 1980-12-18 | 1982-06-29 | ||
| JPS5856745A (en) * | 1981-09-29 | 1983-04-04 | Riken Seiki Kk | Tool holder in automatic tool interchanging device |
-
1983
- 1983-04-27 JP JP7538583A patent/JPS59201737A/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53130588A (en) * | 1978-04-17 | 1978-11-14 | Genyuu Kitaguchi | Drill unit |
| JPS57105111U (en) * | 1980-12-18 | 1982-06-29 | ||
| JPS5856745A (en) * | 1981-09-29 | 1983-04-04 | Riken Seiki Kk | Tool holder in automatic tool interchanging device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS644534U (en) * | 1987-06-26 | 1989-01-12 | ||
| CN102922396A (en) * | 2012-11-29 | 2013-02-13 | 无锡富岛精工有限公司 | Telescopic bracket |
| JP2023509430A (en) * | 2019-12-31 | 2023-03-08 | セントレ テクニーク デ インダストリーズ メカニークス | Electric spindle with integrated feed with automatic toolholder change |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0112619B2 (en) | 1989-03-01 |
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