JPS6327954Y2 - - Google Patents
Info
- Publication number
- JPS6327954Y2 JPS6327954Y2 JP11811386U JP11811386U JPS6327954Y2 JP S6327954 Y2 JPS6327954 Y2 JP S6327954Y2 JP 11811386 U JP11811386 U JP 11811386U JP 11811386 U JP11811386 U JP 11811386U JP S6327954 Y2 JPS6327954 Y2 JP S6327954Y2
- Authority
- JP
- Japan
- Prior art keywords
- feed shaft
- casing
- encoder
- flange
- rotating body
- 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
Links
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 2
- 230000007257 malfunction Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Optical Transform (AREA)
- Machine Tool Sensing Apparatuses (AREA)
Description
【考案の詳細な説明】
本考案は工作機械の送り軸の回転量をデイジタ
ルに測定表示するための送り量デイジタル測定表
示装置に関する。[Detailed Description of the Invention] The present invention relates to a feed amount digital measurement and display device for digitally measuring and displaying the amount of rotation of a feed shaft of a machine tool.
此種の装置においては、従来、ダイヤル目盛と
指標との組み合わせによるものが一般的である。
そのため送り軸の送り量の読み取りが不正確にな
るという欠陥が存した。 Conventionally, this type of device generally uses a combination of a dial scale and an index.
As a result, there was a problem in that the feed amount of the feed shaft could not be read accurately.
本考案は送り軸の送り量をデイジタルに測定表
示することで上記欠陥を除去することを目的とす
るものである。 The present invention aims to eliminate the above-mentioned defects by digitally measuring and displaying the feed amount of the feed shaft.
本考案の他の目的は、一般の工作機械に簡単に
取付けられるようにすることである。 Another object of the present invention is to enable easy installation on general machine tools.
更に、本考案の他の目的は、一般の工作機械に
取付けたときに、エンコーダ静止部例えば投光受
光素子に対するエンコーダ可動部例えばスリツト
板の位置関係を一定にし、エンコーダを正確に動
作させることである。 Furthermore, another object of the present invention is to maintain a constant positional relationship of the encoder movable part, such as the slit plate, with respect to the encoder stationary part, such as the light emitting/receiving element, so that the encoder can operate accurately when installed on a general machine tool. be.
また、本考案の他の目的は送り軸支持部のガタ
による送り軸の軸方向の移動をエンコーダ可動部
例えばスリツト板に伝えないようにして、エンコ
ーダが誤動作するのを防止することである。 Another object of the present invention is to prevent malfunction of the encoder by preventing axial movement of the feed shaft due to play in the feed shaft support from being transmitted to the encoder movable portion, such as the slit plate.
以下に本考案の構成を添付図面に示す実施例に
付き詳細に説明する。 The configuration of the present invention will be described in detail below with reference to embodiments shown in the accompanying drawings.
まず、本件出願人が開発した、送り軸の軸部と
回転体の結合機構にキー結合機構を採用した装置
について説明する。 First, a description will be given of a device developed by the applicant in which a key coupling mechanism is used as the coupling mechanism between the shaft portion of the feed shaft and the rotating body.
2は工作機械の本体に固設された保持体であ
り、これに送り軸4の軸部が回転自在に支持され
ている。一般の工作機械の場合には、保持体2の
鍔部6に指標が設けられ、送り軸4にダイヤル盤
を嵌着して、鍔部6の指標とダイヤル盤の目盛に
よつて送り軸4の回転量を目盛表示するものであ
る。本装置では、上記ダイヤル盤を取り外し、該
ダイヤル盤の替りにケーシング8を、送り軸4の
軸部に遊嵌している。ケーシング8に管状に突設
された突条10の内周面を、前記つば部6の外周
面に嵌挿し、突条10に複数個透設されたねじ穴
に配置した調整ねじ12を締付けることによつ
て、ケーシング8を保持体2に固定している。1
4は前記ケーシング8に固定された板部材であ
り、これにデイジタル表示器16の基板が固定さ
れ、該表示器16の表示部は前記ケーシング8に
形成された窓の直下に位置している。18は前記
部材14に配設された2個の受光素子(1個は図
示せず)、20は前記部材14に固定された板部
材に配設された2個の投光素子(1個は図示せ
ず)、であり、該投光素子20と前記受光素子1
8は所定の間隙を存して対向している。前記投
光、受光素子20,18はエンコーダ静止部を構
成している。22は回転体であり、これの管部2
2aの外周面には垂直面22b,22cとつば部
22dが形成されている。前記回転体22の外周
面と前記ケーシング8の両側壁中央に穴を形成す
る内周壁面24,26との間には環状の軸受部材
28,30が嵌合配置され、該軸受部材28,3
0の突条部の端面32,34は前記ケーシング8
の壁面に当接している。前記軸受部材28の一端
面は前記管部22aの垂直面22bに当接し、軸
受部材30の一端面は前記垂直面22cに当接し
ている。前記回転体22の外周面は前記軸受部材
28,30の内周面に回転自在に嵌合している。
そして、この回転中心は前記ケーシング8に対し
て一定であり、且つ、回転体22の軸方向の設定
位置は前記ケーシング8に対して一定である。3
2は前記回転体22の鍔部22dに固定された環
状のスリツト板(エンコーダ可動部)であり、該
スリツト板32は前記受光素子18と投光素子2
0との中間に位置している。尚、図面では受光素
子18の前に配置された公知の固定スリツト板が
省略されている。前記送り軸4の軸部にカラー3
4が固定され、該カラー34の外周面には軸方向
にキー36が固設されている。前記回転体管部2
2aの内周面には、軸方向にキー溝38が穿設さ
れ、該キー溝38は前記キー36に嵌合してい
る。40,42は前記送り軸4の端部のねじ部に
螺合するストツパー用ナツトであり、ナツト40
の側面は前記回転体22の第1図上、右側端面に
軽く当接している。44は前記板部材14に取付
けられたケースであり、これに集積回路が内蔵さ
れている。46は電源供給コネクター、48はリ
セツトボタン、50は前記送り軸4の一端に着脱
可能に固定されたハンドルである。 Reference numeral 2 denotes a holding body fixed to the main body of the machine tool, and the shaft portion of the feed shaft 4 is rotatably supported by this holding body. In the case of a general machine tool, an index is provided on the flange 6 of the holder 2, a dial is fitted onto the feed shaft 4, and the index on the flange 6 and the scale on the dial allow the feed shaft to The rotation amount is displayed on a scale. In this device, the dial board is removed, and a casing 8 is loosely fitted onto the shaft portion of the feed shaft 4 in place of the dial board. Insert the inner circumferential surface of a protrusion 10 provided in a tubular shape on the casing 8 into the outer circumferential surface of the flange portion 6, and tighten the adjustment screws 12 arranged in a plurality of threaded holes provided through the protrusion 10. The casing 8 is fixed to the holder 2 by. 1
Reference numeral 4 denotes a plate member fixed to the casing 8, to which a substrate of a digital display 16 is fixed, and the display portion of the display 16 is located directly below the window formed in the casing 8. Reference numeral 18 indicates two light receiving elements (one is not shown) disposed on the member 14, and 20 indicates two light emitting elements (one is not shown) disposed on the plate member fixed to the member 14. ), and the light emitting element 20 and the light receiving element 1
8 are opposed to each other with a predetermined gap therebetween. The light projecting and light receiving elements 20 and 18 constitute an encoder stationary section. 22 is a rotating body, and the pipe portion 2 of this
Vertical surfaces 22b, 22c and a collar portion 22d are formed on the outer peripheral surface of 2a. Annular bearing members 28, 30 are fitted between the outer peripheral surface of the rotating body 22 and the inner peripheral wall surfaces 24, 26 that form holes in the centers of both side walls of the casing 8.
The end surfaces 32 and 34 of the protruding portion 0 of the casing 8
is in contact with the wall. One end surface of the bearing member 28 is in contact with the vertical surface 22b of the tube portion 22a, and one end surface of the bearing member 30 is in contact with the vertical surface 22c. The outer circumferential surface of the rotating body 22 is rotatably fitted to the inner circumferential surfaces of the bearing members 28 and 30.
The center of rotation is constant with respect to the casing 8, and the set position of the rotating body 22 in the axial direction is constant with respect to the casing 8. 3
2 is an annular slit plate (encoder movable part) fixed to the flange 22d of the rotating body 22, and the slit plate 32 is connected to the light receiving element 18 and the light emitting element 2.
It is located between 0 and 0. Note that the known fixed slit plate disposed in front of the light receiving element 18 is omitted in the drawing. A collar 3 is attached to the shaft portion of the feed shaft 4.
4 is fixed, and a key 36 is fixed to the outer peripheral surface of the collar 34 in the axial direction. The rotating body tube part 2
A keyway 38 is bored in the inner circumferential surface of 2a in the axial direction, and the keyway 38 fits into the key 36. Numerals 40 and 42 are stopper nuts that are screwed into the threaded portion of the end of the feed shaft 4;
The side surface of the rotating body 22 is in light contact with the right end surface of the rotating body 22 in FIG. Reference numeral 44 denotes a case attached to the plate member 14, in which an integrated circuit is built. 46 is a power supply connector, 48 is a reset button, and 50 is a handle detachably fixed to one end of the feed shaft 4.
次に上記装置の作用について説明する。 Next, the operation of the above device will be explained.
ダイヤル表示式の一般的な工作機械に本装置を
セツトするには、まず、ハンドル50とナツト4
0,42を送り軸4から外し、しかる後にダイヤ
ル盤を送り軸4の軸部より取り外す。次にカラー
34を軸4に固定する。次に回転体22の管部2
2aを送り軸4の軸部に挿入し、キー溝38をキ
ー36に嵌合し、ケーシング8の側面を保持体2
の鍔部6の側端面に当接する。次に調整ねじ12
をねじ穴に対して締め付け、ケーシング8をつば
部6に固定する。次にナツト40,42及びハン
ドル50を取付ける。上記した構成において、ハ
ンドル50を回動して送り軸4を回転すると、回
転体22は軸受部材28,30の内周面に沿つて
回転し、該回転と連動してスリツト板32即ちエ
ンコーダ可動部32が回転する。スリツト板32
が回転すると受光素子18が互いに90度位相の異
なる正弦波電圧を出力し、この正弦波パルス信号
はケース44内の集積回路によつて演算処理さ
れ、表示器16の表示部に、リセツト位置からの
送り軸4の回転量即ち刃の送り量が10進化数値に
よつて表示される。送り軸4がガタによつて軸方
向に移動したときは、カラー34が回転体22の
内周面に対して軸方向に摺動し、回転体22即ち
スリツト板32には送り軸4の軸方向の変位は伝
達されない。従つて、スリツト板32と投光素子
20及び受光素子18との対向間隔が変化するこ
とがない。 To set up this device on a general machine tool with a dial display, first remove the handle 50 and nut 4.
0 and 42 from the feed shaft 4, and then remove the dial board from the shaft portion of the feed shaft 4. Next, the collar 34 is fixed to the shaft 4. Next, the tube part 2 of the rotating body 22
2a into the shaft portion of the feed shaft 4, the key groove 38 is fitted into the key 36, and the side surface of the casing 8 is inserted into the holder 2.
It comes into contact with the side end surface of the flange 6. Next, adjust screw 12
is tightened against the screw hole to fix the casing 8 to the collar 6. Next, nuts 40, 42 and handle 50 are installed. In the above configuration, when the handle 50 is rotated to rotate the feed shaft 4, the rotating body 22 rotates along the inner peripheral surfaces of the bearing members 28, 30, and in conjunction with the rotation, the slit plate 32, that is, the encoder is movable. The section 32 rotates. Slit plate 32
When the light-receiving element 18 rotates, the light-receiving element 18 outputs a sine wave voltage having a phase different from each other by 90 degrees, and this sine wave pulse signal is processed by the integrated circuit inside the case 44 and displayed on the display section of the display 16 from the reset position. The amount of rotation of the feed shaft 4, that is, the amount of feed of the blade is displayed as a decimal value. When the feed shaft 4 moves in the axial direction due to play, the collar 34 slides in the axial direction against the inner peripheral surface of the rotating body 22, and the axis of the feed shaft 4 is No directional displacement is transmitted. Therefore, the facing distance between the slit plate 32, the light projecting element 20, and the light receiving element 18 does not change.
上記装置は、送り軸4の軸部と回転体22の結
合機構に、キーとキー溝から成るキー結合機構を
採用しているが、本考案は、第1及び2図に示す
如く、送り軸66(第5図送り軸4に相当する)
に固定されたカラー部材62とケーシング68
(第5図ケーシング8に相当する)に回転自在に
取付けられた回転体64(第5図回転体22に相
当する)との間に角形スプライン機構70を設け
ている。該機構70は、複数のカラー部材62に
形成された歯71と回転体64に形成された歯溝
73とより構成され、これらは互いに噛み合つて
いる。その他、セレーシヨン機構によつて結合す
る方法が存する。更に第3図及び4図に示す如
く、カラー部材72と回転体74との間にギアイ
ンボルト機構76を設けても良い。尚、図中、ケ
ーシング68と回転体64,74の取付構造は第
5図に示す装置と同一なので図示省略されてい
る。 The above device employs a key coupling mechanism consisting of a key and a keyway as a coupling mechanism between the shaft portion of the feed shaft 4 and the rotating body 22, but the present invention employs a key coupling mechanism consisting of a key and a keyway, as shown in FIGS. 66 (corresponds to feed shaft 4 in Figure 5)
Collar member 62 and casing 68 fixed to
A rectangular spline mechanism 70 is provided between a rotating body 64 (corresponding to the rotating body 22 in FIG. 5) rotatably attached to the casing 8 (corresponding to the casing 8 in FIG. 5). The mechanism 70 includes teeth 71 formed on a plurality of collar members 62 and tooth grooves 73 formed on the rotating body 64, which mesh with each other. In addition, there is a method of coupling using a serration mechanism. Furthermore, as shown in FIGS. 3 and 4, a gear-in bolt mechanism 76 may be provided between the collar member 72 and the rotating body 74. In the figure, the mounting structure of the casing 68 and the rotating bodies 64, 74 is omitted because it is the same as the device shown in FIG.
尚、表示器をケーシングに取り付けた構造に特
に限定されるものではない。 Note that the present invention is not particularly limited to the structure in which the display is attached to the casing.
本考案は上述した如く構成したので、一般の工
作機械に歯と歯溝から成る噛み合い結合機構を介
して簡単に取付けることができ、しかもケーシン
グに回転体の管部を軸方向に移動しないように回
転自在に取付け、回転体にエンコーダの可動部を
取付け、該エンコーダ可動部の回転軌跡に対向位
置すべくエンコーダの静止部をケーシング側に取
付けたので、ケーシングを工作機械にセツトする
際、エンコーダ可動部と静止部との位置関係が変
化することがなく、常に一定であり、しかも、送
り軸がその支持部のガタによつて軸方向に微動し
ても、これによつてエンコーダ可動部のエンコー
ダ静止部に対する位置関係が変化することがな
く、エンコーダの誤動作を防止することができ、
正確に送り軸の回転量をデイジタルに測定表示す
ることができる効果が存する。 Since the present invention is constructed as described above, it can be easily installed on a general machine tool via an interlocking coupling mechanism consisting of teeth and tooth spaces, and it is possible to prevent the tube of the rotating body from moving in the axial direction in the casing. The movable part of the encoder is attached to the rotary body, and the stationary part of the encoder is attached to the casing side so as to be positioned opposite to the rotation locus of the encoder movable part, so when the casing is set on the machine tool, the encoder movable part is attached to the rotating body. The positional relationship between the encoder and the stationary part does not change and is always constant, and even if the feed shaft moves slightly in the axial direction due to play in its support part, the encoder of the movable part The positional relationship to the stationary part does not change, preventing encoder malfunctions.
This has the advantage of being able to accurately measure and display the amount of rotation of the feed shaft digitally.
第1図は断面図、第2図は正面断面図、第3図
は断面図、第4図は正面断面図、第5図は側面断
面図、第6図は正面断面図、第7図は正面図であ
る。
2……保持体、4……送り軸、6……鍔部、8
……ケーシング、10……突条、12……調整ね
じ、14……板部材、16……デイジタル表示
器、18……受光素子、20……投光素子、22
……回転体、22a……管部、22b,22c…
…垂直面、22d……鍔部、24,26……壁
面、28,30……軸受部材、32……スリツト
板、34……カラー、36……キー、38……キ
ー溝、62,72……カラー部材、64,74…
…回転体、71……歯、73……歯溝、66……
送り軸。
Figure 1 is a sectional view, Figure 2 is a front sectional view, Figure 3 is a sectional view, Figure 4 is a front sectional view, Figure 5 is a side sectional view, Figure 6 is a front sectional view, and Figure 7 is a front sectional view. It is a front view. 2... Holding body, 4... Feed shaft, 6... Flange, 8
... Casing, 10 ... Projection, 12 ... Adjustment screw, 14 ... Plate member, 16 ... Digital display, 18 ... Light receiving element, 20 ... Light projecting element, 22
...Rotating body, 22a...Pipe section, 22b, 22c...
... Vertical surface, 22d ... Flange, 24, 26 ... Wall surface, 28, 30 ... Bearing member, 32 ... Slit plate, 34 ... Collar, 36 ... Key, 38 ... Keyway, 62, 72 ...Color member, 64, 74...
...Rotating body, 71...Teeth, 73...Tooth groove, 66...
feed axis.
Claims (1)
しないように回転自在に取付け、前記回転体64
にエンコーダーの可動部を取付け、該エンコーダ
ー可動部の回転軌跡に対向位置すべくエンコーダ
ーの静止部を前記ケーシング68側に取付け、前
記ケーシングに突条10を設け、該突条10を前
記工作機械の鍔部6の外周面に遊嵌し、前記突条
10に設けた調整ねじ12を前記鍔部6に圧接し
て前記ケーシング68を工作機械の鍔部6に、該
鍔部6に対して回転しない様に取付けるととも
に、前記回転体64の管部を前記鍔部6の側面か
ら突出する工作機械の送り軸66に嵌挿可能と成
し、前記回転体64の管部と前記送り軸66との
間に、両者が回転方向に連動し且つ前記送り軸6
6が前記管部の軸方向にスライド自在となるよう
に前記管部と送り軸66とを結合する、歯と歯溝
とから成る噛み合い結合機構を設ける一方、前記
エンコーダの信号に基づいて、前記送り軸66の
回転量をデイジタルに表示する表示器を設けたこ
とを特徴とする工作機械用送り量デイジタル測定
表示装置。 The tube portion of the rotating body 64 is rotatably attached to the casing so as not to move in the axial direction, and the rotating body 64 is
The movable part of the encoder is attached to the casing 68, and the stationary part of the encoder is attached to the casing 68 side so as to be located opposite to the rotation locus of the movable encoder part. The adjustment screw 12 that is loosely fitted onto the outer peripheral surface of the flange 6 and is provided on the protrusion 10 is pressed against the flange 6, and the casing 68 is attached to the flange 6 of the machine tool and rotated with respect to the flange 6. The tube portion of the rotary body 64 can be fitted into the feed shaft 66 of a machine tool protruding from the side surface of the collar portion 6, and the tube portion of the rotary body 64 and the feed shaft 66 can be connected to each other. During this period, both are interlocked in the rotational direction and the feed shaft 6
6 is provided with a meshing coupling mechanism consisting of teeth and tooth grooves that connects the tube portion and the feed shaft 66 so that the feed shaft 66 can freely slide in the axial direction of the tube portion. A feed amount digital measurement and display device for a machine tool, characterized in that it is provided with a display that digitally displays the amount of rotation of a feed shaft 66.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11811386U JPS6327954Y2 (en) | 1986-07-31 | 1986-07-31 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11811386U JPS6327954Y2 (en) | 1986-07-31 | 1986-07-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62138554U JPS62138554U (en) | 1987-09-01 |
JPS6327954Y2 true JPS6327954Y2 (en) | 1988-07-28 |
Family
ID=31004258
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11811386U Expired JPS6327954Y2 (en) | 1986-07-31 | 1986-07-31 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6327954Y2 (en) |
-
1986
- 1986-07-31 JP JP11811386U patent/JPS6327954Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS62138554U (en) | 1987-09-01 |
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