JPS60113652A - Linear pulse motor - Google Patents

Linear pulse motor

Info

Publication number
JPS60113652A
JPS60113652A JP22023883A JP22023883A JPS60113652A JP S60113652 A JPS60113652 A JP S60113652A JP 22023883 A JP22023883 A JP 22023883A JP 22023883 A JP22023883 A JP 22023883A JP S60113652 A JPS60113652 A JP S60113652A
Authority
JP
Japan
Prior art keywords
magnetic pole
linear pulse
pulse motor
scale
teeth
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
Application number
JP22023883A
Other languages
Japanese (ja)
Other versions
JPS6347070B2 (en
Inventor
Zenichiro Miwa
三輪 善一郎
Hiroshi Nakagawa
洋 中川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shinko Electric Co Ltd
Original Assignee
Shinko Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shinko Electric Co Ltd filed Critical Shinko Electric Co Ltd
Priority to JP22023883A priority Critical patent/JPS60113652A/en
Publication of JPS60113652A publication Critical patent/JPS60113652A/en
Publication of JPS6347070B2 publication Critical patent/JPS6347070B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K41/00Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
    • H02K41/02Linear motors; Sectional motors
    • H02K41/03Synchronous motors; Motors moving step by step; Reluctance motors

Abstract

PURPOSE:To improve the magnetic flux efficiency and to improve the responsiveness of a linear pulse motor by forming the surfaces of platelike pole members as pole faces and concentrically disposing the pole faces. CONSTITUTION:Platelike pole members 73-76 are used as pole faces, which are concentrically disposed. The back surfaces of pairs of poles arranged perpendicularly to the moving direction of the movable side of a linear pulse motor are contacted with different poles of a permanent magnet 81. The members 73-76 are excited by two exciting coils 79, 80. A scale 72 has a toothed portion 72a, and is opposed to the toothed portions 73c-76c of pole members 73-76. The toothed portions 73c-76c of the members 73-76 and the toothed portion 72a of the scale 72 are relatively displaced at 1/4 pitch on the basis of the mutual work between the magnetic flux by the permanent magnet 81 and the magnetic flux by the exciting coils 79, 80.

Description

【発明の詳細な説明】 この発明は特に小型で、可動側の最大変位量を小とする
負荷の駆動に適したりニーアバルスモータの構造に関す
るものである。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a structure of a near-balance motor that is particularly compact and suitable for driving a load with a small maximum displacement on the movable side.

一般に、リニアパルスモータU −次側コイルに供給す
る入力パルスごとに一定の距離(通常4ボ1 。
In general, each input pulse supplied to the U-side coil of a linear pulse motor has a fixed distance (usually 4 pulses).

一ルタイプのもので1ヒツチ)ずつ−次側又は二次側ス
ケール全ステップ状に歩進動作させる。この動作に伴っ
て、リニアパルスモータは正確な位置決め制御を要求す
る各種プリンタのヘッド送り、光電式読取装置のヘッド
送シなどのOA機器に応用されている。そして、このリ
ニアパルスモータの従来構成をだすと第1図、第2図に
示す通りである。すなわち、第1図は一部切欠き側面図
、第2図は一部切欠き正面図で、各図において、(υは
リニアパルスモークの磁束発生を担う1次側で、側面中
火部で磁気的にしゃ断状態にある2個の鉄心(21(3
)、当該鉄心(2) (3)を両側部にて固定する側板
(41(5)、上記各鉄心(2) (3)の上面に図示
の極性にて着磁しである永久礎石((i) (7) 、
当該永久磁石(6) (7)の上面部に接合する磁性板
(8)、上記各鉄心(2) (3)に形成している磁極
(2a)(2b)(:うa)(3b)に取付けられたコ
イル(9aX9bX9CX9d) 、各側板(4) (
5) O両側下ニ支持される軸on ouに回動自在に
支持される車輪(2)〜(2)からなっている。そして
、上記各磁極(2a)(2b)(3a)(3b)には↓
ピッチずつのずれを有して歯部(2al)(2bl)(
3al)(3bl)が形成されている。
If it is a single type, the next side or secondary side scale will be moved step by step, one hit at a time. Along with this operation, linear pulse motors are being applied to OA equipment such as the head feed of various printers and the head feed of photoelectric reading devices that require accurate positioning control. The conventional configuration of this linear pulse motor is as shown in FIGS. 1 and 2. In other words, Fig. 1 is a partially cutaway side view, and Fig. 2 is a partially cutaway front view. Two iron cores (21 (3)
), side plates (41 (5)) that fix the cores (2) (3) on both sides, permanent foundation stones (( i) (7),
The magnetic plate (8) joined to the upper surface of the permanent magnet (6) (7), and the magnetic poles (2a) (2b) (:ua) (3b) formed on each of the above-mentioned iron cores (2) (3). Coils (9aX9bX9CX9d) installed on each side plate (4) (
5) Consists of wheels (2) to (2) rotatably supported on shafts supported on both sides. And, for each magnetic pole (2a) (2b) (3a) (3b) above, ↓
Teeth (2al) (2bl) (with a deviation of pitch)
3al) (3bl) are formed.

(イ)はリニアパルスモータの2次側をなすスケールで
、上面には上記各磁極歯部(2al)などと同一ピッチ
の歯部(16a)が形成されている。
(A) is a scale forming the secondary side of the linear pulse motor, and the upper surface is formed with teeth (16a) having the same pitch as each of the magnetic pole teeth (2al) and the like.

また上記車輪四〜a時はスケール(ト)の両縁部に沿グ
て一体的に形成された軌条帯(17a)(17b)上に
β9、これによシ磁極(2a)(2h)(3a)(3b
) の歯部(zax)(zbxX3at)(ab+)と
スケール(4)の歯部(16a)との間に一定のギャッ
プ?が保持される。(なお図をわかりやすくするために
ギャップVは誇張して示されている)。車輪(ロ)〜(
ト)は軌条帯(17a)(17b)に沿って固定された
ガイドレール(18a)(18h)によって進行方向が
規制される。
In addition, for wheels 4 to a, β9 is placed on the rail strips (17a) (17b) integrally formed along both edges of the scale (G), and thereby the magnetic poles (2a) (2h) ( 3a) (3b
) Is there a certain gap between the teeth (zax) (zbxX3at) (ab+) and the teeth (16a) of the scale (4)? is retained. (Note that the gap V is exaggerated for clarity of illustration). Wheel (b) ~ (
The traveling direction of g) is regulated by guide rails (18a) (18h) fixed along the rail bands (17a) (17b).

上記第1図及び第2図に示すリニアノくルスモータにお
いて、例えば−相励磁方式にて駆動する場合、順次各コ
イル(9a)〜(9d) ’e励磁していく過程におい
て、各磁極(2a)(2b)(3a)(3b)に形成し
た歯部(2a+ X2b+ X3at )(3tu )
が順次2次側スケールの歯部に対向することによフッヒ
ツチずつ歩進(見た目には連続的であるが原理上はあく
までもステップ状の変位)していく。この際、1次側磁
束発生装置(1)及び2次側スケール(イ)は一方を固
定(通常スケール)し、他方金波位置決め用負荷に係合
のうえ可動として実用化を達成する。
In the linear noxle motor shown in Figs. 1 and 2 above, when driving, for example, by the -phase excitation method, each magnetic pole (2a) is (2b) (3a) Teeth formed in (3b) (2a+X2b+X3at)(3tu)
is successively opposed to the tooth portion of the secondary scale, thereby moving step by step (it looks continuous, but in principle it is just a step-like displacement). At this time, one of the primary side magnetic flux generator (1) and the secondary side scale (a) is fixed (normal scale), and the other is engaged with the gold wave positioning load and made movable to achieve practical use.

ところで、近年OA機器の発展とともに各種の情報端末
機器は小型化、薄形化の傾向におって、例えば、フロッ
ピーディスクドライブにおいてもこの傾向が強い。この
ような状況において、超小形、超薄形のリニアパルスモ
ータの実現が望まれている。
Incidentally, in recent years, with the development of office automation equipment, various information terminal devices are becoming smaller and thinner, and this tendency is also strong in floppy disk drives, for example. Under these circumstances, it is desired to realize an ultra-small and ultra-thin linear pulse motor.

今、上記市場の景求に対して、前記第1図、第2図に示
す台車タイプのリニアパルスモータは適合できない。す
なわち、上記フロッピーディスクドライブなどでは通常
推力は50t、ストロークは10〜25mm程度で足り
るのに対し、リニア/くルスモータの機体は機構上この
推力、ストロークに適合させるほど小型することは困難
である。より具体的に説明すると巾Wの減少は車輪取付
機構の存在のため限度がおp1高さHについての減少は
1次、2次のも歯部対向面が磁極中を通過する磁束に直
交する上記第1.2図に示す従来の構成では困難である
。一方、長さLについては磁極がリニアパルスモータの
可動側進行方向に厘線上に並べることから短縮には限度
がある。つまシ、最大推力50f1最太ストローク10
〜25mmに定めることは困難でおる。
Currently, the trolley type linear pulse motor shown in FIGS. 1 and 2 is not suitable for the above-mentioned market demands. That is, for the above-mentioned floppy disk drive, normally a thrust of 50 tons and a stroke of about 10 to 25 mm are sufficient, whereas it is mechanically difficult to make the body of a linear/cursor motor small enough to match this thrust and stroke. To explain more specifically, the reduction in width W is limited due to the presence of the wheel attachment mechanism, and the reduction in height H is due to the fact that the primary and secondary teeth facing surfaces are orthogonal to the magnetic flux passing through the magnetic poles. This is difficult with the conventional configuration shown in FIG. 1.2 above. On the other hand, there is a limit to the shortening of the length L because the magnetic poles are arranged on a line in the moving direction of the linear pulse motor. Tsumashi, maximum thrust 50f1 thickest stroke 10
It is difficult to set the distance to 25 mm.

コノ発明の目的はリニアパルスモータの1次側の構成を
工夫することによって駆動原理は従来のものと同一なる
も、低推力、短ストローク特性に適合するように小型化
を実現することのできるリニアパルスモータの構成を提
供することにある。
The purpose of this invention is to improve the configuration of the primary side of the linear pulse motor, so that the driving principle is the same as the conventional one, but the linear pulse motor can be miniaturized to suit the low thrust and short stroke characteristics. The object of the present invention is to provide a configuration of a pulse motor.

この目的は本発明によれば、頭部及び脚部を有する4個
の板状磁極部材の前記頭部を集中させるように配置し、
該磁極部材の頭部の平面部に西該リニアパルスモータの
可動側の進行方向に沿1て歯1 ・ 部を等間隔に、かつ磁束発生の順に順次7ヒツテずつの
変位を有して形成し、当該リニアパルスモータの可動側
の進行方向に門し同一側方に位置する各一対の前自己磁
極部口の脚部に対して磁気的な接続を伴って励磁用コイ
ルを装着し、前記各一対の磁極部材にそれぞれ異なる極
性奮起した永久磁石を前記各磁極部材の背面に配置し、
前記各磁極部材の歯部に対向し、同一歯部ピンチ全治す
るスケールと、該スケールの歯部と前記磁極部材の歯部
との間に一定のギャップを保持させて当該リニアパルス
モータの可動側を前記進行方向に案同するガイド手段と
全備えたリニアパルスモーク、によって達成される。
According to the present invention, this purpose is achieved by arranging four plate-shaped magnetic pole members each having a head and a leg so that the heads thereof are concentrated;
On the flat surface of the head of the magnetic pole member, teeth are formed at equal intervals along the direction of movement of the movable side of the linear pulse motor, and are sequentially displaced by 7 teeth in the order of magnetic flux generation. Then, an excitation coil is attached with a magnetic connection to the legs of each pair of front self-magnetic pole openings located on the same side in the direction of movement of the movable side of the linear pulse motor, and A permanent magnet having a different polarity for each pair of magnetic pole members is arranged on the back surface of each of the magnetic pole members,
A scale that faces the teeth of each of the magnetic pole members and completely cures a pinch on the same teeth, and a fixed gap is maintained between the teeth of the scale and the teeth of the magnetic pole member on the movable side of the linear pulse motor. This is achieved by a linear pulse smoke complete with guide means for guiding the movement in the direction of travel.

以下、図示する実施例について具体的に説明する。第3
図はこの発明に係るリニアバルスモータのスケール部を
分離状態にて示す斜視図、第4図は第3図に示すリニア
I(ルスモークを各構成袂素に分離した部品単位の分解
図である。第5図、第6図は同モータの平面図、正面図
でおる。各図において、σ31σ4)ff51σ0にL
字状をなす平板状磁極部材で、その頭部(73a)(7
4a)(75a)(76a)は集中的に自己櫨され、各
脚部(73bX74bX75bX76b)とで全体力よ
H字形を示すように配列される。(73c)(74c)
(75c)(76c)は歯部で、それぞれ各磁極部材(
73〜(76)の頭部(73a)〜(76a)の平面部
に形成され、それぞれ同一ピッチで、かつ歯部(75c
X74cX76cX73c)の順に順次1ピツチずつの
相対的位置の変位を有している。C1l RRCJ41
はスペーサで、磁性体により形成され、上記磁極部材@
〜t7fil 0脚部(73b) 〜(761))の底
面部に接合される。CI′I)CJ(至)は平面コ字状
全なす磁気枠で、それぞれの中心部に平板状にコイル(
7鐘Q全装着している。そして、上記磁気枠(7η徹は
スペーt all−(241+ 介L −c 各磁極N
s 材ff3) −+761 o n部(73b)〜(
76b)にビス@51maη岐によって固定される。侶
υは永久磁石で、図示の通りに着磁され、N、8各磁極
面がそれぞれ磁極部材(ハ)(7匂の頭部(75aX7
6a)の背面、及び磁極部材(7,i 174)の頭部
(73a)(74a)の背面に対向すべく配置される。
The illustrated embodiment will be specifically described below. Third
The figure is a perspective view showing the scale part of the linear pulse motor according to the present invention in a separated state, and FIG. 4 is an exploded view of the linear I shown in FIG. 3 separated into each component. Figures 5 and 6 are a plan view and a front view of the same motor.In each figure, σ31σ4)ff51σ0 and L
It is a flat magnetic pole member in the shape of a letter, and its head (73a) (7
4a) (75a) (76a) are intensively self-arranged and arranged so that each leg (73bX74bX75bX76b) shows an H-shape. (73c) (74c)
(75c) and (76c) are tooth portions, respectively for each magnetic pole member (
73 to (76) are formed on the flat parts of the heads (73a) to (76a), and have the same pitch, and the toothed parts (75c
X74cX76cX73c), the relative positions are sequentially shifted by one pitch. C1l RRCJ41
is a spacer, which is made of a magnetic material, and is connected to the above magnetic pole member @
~t7fil 0 It is joined to the bottom part of the leg part (73b) ~(761)). CI'I) CJ (to) is a magnetic frame with a U-shaped planar shape, and a flat plate-shaped coil (
All 7 bells Q are installed. Then, the above magnetic frame (7η through is spaced all-(241+ through L-c each magnetic pole N
s material ff3) -+761 on part (73b) ~ (
76b) with a screw @51maη branch. Numeral υ is a permanent magnet, which is magnetized as shown in the figure, and each magnetic pole surface of N and 8 is a magnetic pole member (C) (75aX7 head).
6a) and the back surfaces of the heads (73a) (74a) of the magnetic pole member (7, i 174).

S2は当て板で、上記永久磁石Q3υの反磁極側面の磁
気回路金なすとともに1次側の固定部材としての作用を
担う。
S2 is a backing plate, which serves as a fixing member for the primary side as well as the magnetic circuit metal on the side surface of the demagnetizing pole of the permanent magnet Q3υ.

断面がL字形状のガイド支持部材(ハ)(財)が歯部(
73c)〜(76c)全問において磁極部材(υ〜(7
0の旗部(73a)〜(76a)上に配設される。一方
のカイト支持部材(ハ)は上述のビス■1〆のによって
位置決めちれると共に一対の磁極部材ff51 ff6
)上に固定されているが、他方のガイド支持部材(財)
は第5図に明示されるように一対の切欠き(90a)(
9Db)をMし、これらに上述のビスts′7)mが係
合しており、側対の磁極部材1131(/4)上で摺動
可能となっている。ビスリフ)(栖に両端部が支持され
て板はね(叫がガイド支持部材部a上に配設され、この
ガイド支持部材(財)を他方のガイド叉持部拐(へ)に
向って付勢している。
The guide support member (C) (Foundation) with an L-shaped cross section has teeth (
In all questions 73c) to (76c), the magnetic pole member (υ~(7
0 flag portions (73a) to (76a). One of the kite support members (c) is positioned by the above-mentioned screw ①, and a pair of magnetic pole members ff51 ff6
), but the other guide support member (goods)
is a pair of notches (90a) (as shown in FIG. 5).
9Db) are M, and the above-mentioned screws ts'7)m are engaged with these, allowing them to slide on the side pair of magnetic pole members 1131 (/4). A plate is disposed on the guide support member part a, and the guide support member is attached toward the other guide support member part a. It is strong.

両ガイド支持部材□□□(2)の内側には、これらに沿
って摺動可能な断面がL字形状の一対のガイド部材an
 ahaが配設される。各ガイド部材(9υ(’J邊の
垂直部には第4図で明示されるように一対の切欠き(9
3a)(93h)、(93G)(93d)が形成され、
これらに本1ノニアパルスモータの2次側をなすスケー
ルσ々の両(111面を案内するためのボール(財)(
ト)(101X102)力;転動可能に受容される。ま
た、谷ガイド部材(911@2rの水平部KU一対の長
方形状の切欠き(96a)(96b)、(96C)(9
6d)が形成され、これらにロージi!lη鏝、(10
3)(104)が回動可能に嵌め込まれている。第6図
に明示されるようにスケール(7りの下側両縁部(72
b)がローラI9′7)(イ)(103X104)上に
のせられ、これによ如スケールσ4の下面に形成された
歯部(7za)と磁極部材σ3− (7f9の歯部(7
3c)〜(76C)との間に一定のギャップfk保持す
る。スケールσりの歯部(72a)は磁極部材C:13
〜(761の歯部(73C)〜(76c)と同一ピッチ
である。ボール(94)霞(1018,162)は板)
112翰翅の付勢力によりスケールCl7Jの両側面と
ガイド“支持部材(ハ)(財)の垂直部との間で軽い挟
圧状態にお〃)れる。また、磁極部材173〜υQの縁
部上で一対のガイド支持部材(ハ)(財)の間″Kに2
対のストン/((99aX99b)、(100aX10
0b)が固定され、これによりガイド°音昏材(91)
 +921の可動範囲、従ってスケール(7りの可動範
囲(但しガイド部材(9]) t93のそれの2倍)が
規定される。
Inside both guide support members
aha is provided. Each guide member (9υ) has a pair of notches (9υ) in the vertical part of the
3a) (93h), (93G) (93d) are formed,
In addition to these, there are balls (goods) for guiding both scales σ (111) that form the secondary side of the nonia pulse motor (111).
g) (101X102) force; rollably received. In addition, a pair of rectangular notches (96a) (96b), (96C) (9
6d) are formed and Rosi i! lη Trowel, (10
3) (104) is rotatably fitted. As clearly shown in Figure 6, both lower edges of the scale (72
b) is placed on the roller I9'7) (a) (103
A constant gap fk is maintained between 3c) and (76C). The tooth portion (72a) on the scale σ is the magnetic pole member C: 13
~(It is the same pitch as the teeth (73C) ~ (76c) of 761. Ball (94) Kasumi (1018, 162) is a plate)
Due to the biasing force of the wings 112, a slight pressure is created between both sides of the scale Cl7J and the vertical part of the guide support member (c). Also, the edges of the magnetic pole members 173 to υQ At the top, between the pair of guide support members (c) (goods)
Pair of stones/((99aX99b), (100aX10
0b) is fixed, which allows the guide ° sound material (91)
A movable range of +921, and therefore a scale (a movable range of 7 (however, twice that of guide member (9) t93) is defined.

上記構成において、スケールσ2側を可動側とし永久磁
石−により磁極部材(7■σeはN極に磁極部材C?3
) [74)はS極に定められている。今、コイル(ハ
)Qに電流土工(磁極部材(7団の歯部(75c)とス
ケール(721の歯部(72a)とが吸引する極性とす
る)を流すと、これによって生ずる電磁石磁束と上記永
久磁石化りからの磁束とが磁極部材(7!il ’?’
は重畳され、磁極部月(761では打消され、結局磁極
部拐(7ωの歯部(75C)がスケールσaの歯部(7
2a)との間の磁気吸引力によシ安定点にスケールσ3
e移動し、停止する。次にコイルg30)の電流土工を
切ると同時にコイル(79)に+I(磁極部材σ局の歯
部(74c)とスケールqりの歯部(72a)とが吸引
する極性とする)を流すと、これによって生ずる電磁石
磁束と上記永久磁石囲〕からの磁束が磁極部材σa″c
は重畳され、磁極部材(7りでは打消され、ひいては磁
極部材σ滲の歯部(74G)がスケールσ4の歯部(7
2a)との間の磁気吸引力により1ピツチ移動して安定
点を得る。次いで、コ4 イルσ9)への111 流+I f切ると同時にコイル
(80)に−■の電流を供給すると、上記とは反対の磁
束の力11算減算作用となり、磁極部材(70の歯部(
76c )とスケールの歯部(72a)とが吸引し、さ
らに↓ピッチスケールσりを変位させて安定状態を得る
。同様にして、コイル■の電流の供給の停止とともにコ
イル(79)に−■の電流全供給すると磁極部材(73
Jの歯部(73c)とスケール歯部(72a)との間の
磁気吸引力によって1ピツチのスケール(74の変位金
紗て安定状態となる。以上の動作でスケール(7aはl
ピンチの変位を達成することになるが、同様の動作を繰
返すことによシ入力信号(土工)の投入に比例した量だ
けスケール(73が変位する。この際のスケール(7り
の最大許容変位量はギャップ保持及びスケールCI4案
内作用を担うローラ(97) t9枠(103)(10
4)及びボール(2)(ト)(101)(102)全受
容するガイド部材(91)(9りの許容後動範囲、すな
わちストッパ(99a’)(99b)(100a)(1
00h)間の長さの2倍相当の長さのストロークとなる
。−万、リニアパルスモータの可動側の電動方向を反転
するときは励磁コイル(79)い0)への励磁Ill序
を逆にすればよい。
In the above configuration, the scale σ2 side is the movable side, and the permanent magnet is connected to the magnetic pole member (7■σe is the N pole and the magnetic pole member C?3
) [74) is defined as the south pole. Now, when a current earthwork (magnetic pole member (7 groups of teeth (75c) and scale (721 teeth (72a) attract each other) is passed through the coil (C) Q, the electromagnetic flux generated by this and The magnetic flux from the above permanent magnet is the magnetic pole member (7!il '?'
are superimposed, and are canceled in the magnetic pole part (761), and as a result, the tooth part (75C) of the magnetic pole part (7ω) becomes the tooth part (75C) of the scale σa.
2a) The scale σ3 is at the stable point due to the magnetic attraction between
eMove and stop. Next, when the current earthwork of coil g30) is turned off and at the same time +I is applied to the coil (79) (the polarity is such that the teeth (74c) of the σ station of the magnetic pole member and the teeth (72a) of the scale q are attracted), , the magnetic flux from the electromagnet generated by this and the magnetic flux from the permanent magnet surrounding is the magnetic pole member σa″c
are superimposed, and the magnetic pole member (7) is canceled out, and as a result, the tooth part (74G) of the magnetic pole member σ is the tooth part (74G) of the scale σ4.
2a) and moves one pitch to obtain a stable point. Next, when the 111 current +I f is cut to the coil 4 (coil σ9) and at the same time a - (
76c) and the teeth of the scale (72a) are attracted to each other, and the pitch scale σ is further displaced to obtain a stable state. Similarly, when the current supply to the coil (79) is stopped and the entire current of -■ is supplied to the coil (79), the magnetic pole member (73
Due to the magnetic attraction between the tooth part (73c) of J and the scale tooth part (72a), the displacement of one pitch of the scale (74) becomes stable.With the above operation, the scale (7a becomes l
This will achieve a pinch displacement, but by repeating the same operation, the scale (73) will be displaced by an amount proportional to the input signal (earthwork). The amount is the roller (97) responsible for maintaining the gap and guiding the scale CI4, the t9 frame (103) (10
4) and the ball (2) (g) (101) (102).
The stroke is twice as long as the length between 00h) and 00h). - When reversing the electric direction of the movable side of the linear pulse motor, the order of excitation to the excitation coil (79) may be reversed.

なお、本実施例ではスケールの歯部(72a)と磁極部
材(岱〜(76)の歯部(73c)〜(76c)との間
のギヤノーy y−q保J寺するのにo−ラt!17)
(9f9 (103)(104) k用いているが、こ
れをボールに代えることが考えられる。このような場合
と比較ラーると、ボールとは点接触になるが、ローラ(
96m (103X104) とは線接触になる。従っ
て同じ荷重がかけられた場合にはローラの方が耐久性に
冨み摩耗が少なくなり、よシ長期にわたって一定のギャ
ップを簀定に保持することができる。
In addition, in this embodiment, the gear no. y-q between the teeth (72a) of the scale and the teeth (73c) to (76c) of the magnetic pole members (76) to t!17)
(9f9 (103) (104)
96m (103X104) is a line contact. Therefore, when the same load is applied, rollers have more durability and less wear, and can maintain a constant gap for a longer period of time.

以上、本発明の実施例について説明したが、勿論、本発
明はこれに限定されることなく本発明の技術的思想に基
づいて種々の変形が可能である。
Although the embodiments of the present invention have been described above, the present invention is of course not limited thereto, and various modifications can be made based on the technical idea of the present invention.

例えば、上記実施例においてはスケール側を可動とする
態様について説明したが、−次9111磁束発生部側を
可動側とすることもできる。、1k、合板状磁極部材の
頭部に眞部全四欠状に形成する代シにスリンI・状の歯
部とすることもでき、このスリット状の歯部形成に際し
てはリニアパルスモークの可動側進行方向と直角方向に
対向する1対の磁極部材の歯部は崩該歯部先端部を一体
的に接続してもよい。このとき(は漏洩磁束増大に伴い
効率の低下はまぬがれなめが、機械的強度を増すことが
できる。さらにリニアパルスモータ励磁コ・イル(削い
つへのパルス電流供給は上記実施例のように一相励磁方
式に限らす、従来のリニアパルスモータのように二相励
磁を採用することもできる。そして、1対の磁極部材の
脚部金τ体的に形成するようにしてもよく。永久磁石+
811 k単方向性とすることにより当板+aは必ずし
も設ける必要はない。
For example, in the above embodiment, the scale side is movable, but the -order 9111 magnetic flux generation section side may be the movable side. , 1k, the head of the plywood-like magnetic pole member can be formed into a slit-shaped tooth portion in place of the four-notched shape at the end, and when forming this slit-like tooth portion, the movable side of the linear pulse smoke is The tooth portions of a pair of magnetic pole members facing perpendicularly to the direction of movement may be integrally connected at the tips of the collapsed tooth portions. In this case, the mechanical strength can be increased, although the efficiency will not decrease due to the increase in leakage magnetic flux.Furthermore, the pulse current supply to the linear pulse motor excitation coil (pulse current supply to the shavings will be constant as in the above embodiment). It is not limited to the phase excitation method, but it is also possible to adopt two-phase excitation like a conventional linear pulse motor.Then, the legs of the pair of magnetic pole members may be formed into a metal body.Permanent magnet +
By using the 811k unidirectionality, it is not necessary to provide the contact plate +a.

以上述べたようにこの発明に係るリニアパルスモークに
板状磁極部材の表面を磁極面とし、これらの磁極面を集
中的に配置し、リニアパルスモータ可動側の進行方向と
直角方向に配列される各一対の磁極の裏面を永久磁石の
異なる磁極に当接させ、各一対の磁極部材を励磁する2
個の励磁コイルを備え、上記永久磁石の磁束と上記励磁
コイルの励磁によって生する磁束との相互作用に茫づい
て、磁極部材の歯部とスケールに形成はれ、上記磁極部
材の歯部と対向している歯部との相対位置1 。
As described above, in the linear pulse smoke according to the present invention, the surface of the plate-shaped magnetic pole member is used as the magnetic pole surface, and these magnetic pole surfaces are arranged in a concentrated manner and are arranged in a direction perpendicular to the traveling direction of the movable side of the linear pulse motor. 2. Bringing the back surfaces of each pair of magnetic poles into contact with different magnetic poles of a permanent magnet to excite each pair of magnetic pole members.
Due to the interaction between the magnetic flux of the permanent magnet and the magnetic flux generated by the excitation of the excitation coil, a swell is formed on the teeth of the magnetic pole member and the scale. Relative position 1 with the opposing teeth.

をτヒツチずつ変位さセるようにしたものである。The displacement is set by τ hits.

この構成に基づいて、次項に掲げる多(の特長を有する
Based on this configuration, it has many features listed in the next section.

[11i極面が集中できる構成であるため、従来の可動
側進行方向に沿って連続して磁極が設けられる構成に比
して磁路長が短かく、ひいては、磁束効率の向上がはか
れる。
[11i Since the configuration allows the pole faces to be concentrated, the magnetic path length is shorter than in the conventional configuration in which magnetic poles are continuously provided along the moving direction of the movable side, and as a result, the magnetic flux efficiency is improved.

(2)(υ項の事実よりニ次側スケール全小形化でき、
これに伴いスケールを可動側とした場合、推力/可動側
重量が犬となり応答性を向上させることができる。
(2) (From the fact of the υ term, the secondary side scale can be completely downsized,
Accordingly, when the scale is set to the movable side, the thrust/movable side weight becomes equal, and responsiveness can be improved.

(3)永久磁石から生ずる磁束の磁路長が全て均一とな
るため推力のばらつきが殆んどなくなり、停止精度の向
上かはか九る。
(3) Since the magnetic path length of the magnetic flux generated from the permanent magnet is all uniform, there is almost no variation in thrust force, which improves stopping accuracy.

(4)リニアパルスモータ全体を薄形化でき適用範囲全
拡大することができる。
(4) The entire linear pulse motor can be made thinner and its range of application can be expanded.

すなわち、上記(1)〜(4)項の記載事項に関連して
本発明に係る構成は小形化のみならす、リニアバルスモ
ータの性能の改善にもとより Ml産に適している構造
金なしているなど優れた効果を生じているものである。
That is, in relation to the items described in items (1) to (4) above, the configuration according to the present invention not only contributes to miniaturization, but also improves the performance of linear pulse motors, and has a structure suitable for Ml production. It has produced excellent effects.

【図面の簡単な説明】[Brief explanation of drawings]

第1図、第2図はそれぞれ従来のIJ ニアパルスモー
タの構成を示す一部を切欠いた側面図及び正面図、第3
図はこの発明の実施例に係るリニアパルスモータのスケ
ール部全分離した状態金示す斜視図、第4図は第3図の
部品分解図、第5図は同リニアパルスモータの平面図、
及び第6図は同正面図である。 なお図において、 (7り・・・・・・・・・・・・・・・・・・・・・・
・・・・・・・・スケール(72a)・・・・・・・・
・・・・・・・・・・・・・・・歯 部(岱〜(70・
・・・・・・・・・・・・・・・・・・・・・・・磁極
部拐(73c)〜(76c)・・・・・・・・・磁極歯
部(7つ(18・・・・・・・・・・・・・・・・・・
・・・・・・・・・・・磁 気 枠囲□・・・・・・・
・・・・・・・・・・・・・・・・・・・・・・・励磁
用コイルいD・・・・・・・・・・・・・・・・・・・
・・・・・・・・・・・・・・永久磁石(911(’J
J・・・・−・・・・・・・・・・・・・・・・・・・
・・・ガイド部材(94)(95) (101)(10
2)・・・・・・・・・・・・・・・・・・・・・・・
・・・・ボ − ル(9η(9騰(103)(104) ・・・・・・・・・・山・・川・・・・・・・・・O−
7代理人 飯阪泰雄 (醗)手続補正書 昭和60年2月19日 特許庁長官 志賀 学殿 昭和58年特 許願第220238号 2、 発明の名称 リニアパルスモータ3、 補正をす
る者 事件との関係 l庁許出願人 、、、、、、]ft2都中央1.<11本4.j、+3
ノ12ノ27゜ &補正の内容 (1)特許請求の範囲を別紙のとおり補正する。 (2)明細書第6頁第2行〜同第17行の[頭部及び脚
部を有する・・・・・・リニアパルスモータ、」を下記
のとおり補正する。 記 [頭部及び脚部を有する4個の板状磁極の前記頭St集
中させるように配置し、該磁極の頭部の平面部に当該リ
ニアパルスモータの可動側の進行方向に沿って歯部を等
間隔に、かつ磁束1発生の順に順次1ピツチずつの変位
を有して形成し、当該リニアパルスモータの可動側の進
行方向に関し同一側方に位置する各一対の前記磁極の脚
部に対して磁気的な接続を伴って励磁用コイルを装着し
、前記各一対の磁極にそれぞれ異なる極性を配した永久
磁石を前記各磁極の背面に配置し、前記各磁極の歯部に
対向し、同一歯部ピッチを有するスケールと、該スケー
ルの歯部と前記磁極の歯部との間に一定のキャップ全保
持させて当該リニアパルスモータの可動側を前記進?テ
方向に案内するガイ2、特許請求の範囲 (1)頭部及び脚部を有する4個の板状磁極の前記頭部
を集中させるように配置し、該磁極の頭部の平面部に当
該リニアパルスモータの可動側の進行方向に活って歯部
を等間隔に、かつ磁束1 。 発生の順に順次7ヒツチずつの変位を有して形成し、当
該リニアパルスモータの可動側の進行方向に関し同一側
方に位置する各一対の前記緋−極の脚部に対して磁気的
な接続を伴って励磁用コイルを装着し、前記各一対の磁
極にそれぞれ異なる極性を配した永久磁石を前記名1灸
坤、の背面に配置し、前記各磁極の歯部に対向し、同一
歯部ピッチを有するスケールと、該スケールの歯部と前
記磁極の歯部との間に一定のキャップを保持させて当該
リニアパルスモータの可動側を前記進行方向に案内する
ガイド手段とを備えたリニアパルスモーク。 (2)前記ガイド手段はローラを含み、これにより前記
一定のギャップ全保持させるようにしている前記第1項
に記載のリニアパルスモータ。
Figures 1 and 2 are a partially cutaway side view and a front view showing the configuration of a conventional IJ near-pulse motor, respectively, and Figure 3
The figure is a perspective view of a linear pulse motor according to an embodiment of the present invention, with the scale part completely separated, FIG. 4 is an exploded view of the parts of FIG. 3, and FIG. 5 is a plan view of the same linear pulse motor.
and FIG. 6 are front views of the same. In the figure, (7ri・・・・・・・・・・・・・・・・・・・
・・・・・・・・・Scale (72a)・・・・・・・・・
......
・・・・・・・・・・・・・・・・・・・・・Magnetic pole parts (73c) to (76c)・・・・・・・・・Magnetic pole teeth (7 (18・・・・・・・・・・・・・・・・・・
・・・・・・・・・Magnetic frame □・・・・・・・
・・・・・・・・・・・・・・・・・・・・・Excitation coil D・・・・・・・・・・・・・・・・・・・
・・・・・・・・・・・・Permanent magnet (911('J
J・・・・−・・・・・・・・・・・・・・・・・・
... Guide member (94) (95) (101) (10
2)・・・・・・・・・・・・・・・・・・・・・・・・
...Ball (9η (9 rises (103) (104) ......Mountains...Rivers...O-
7 Agent Yasuo Iisaka (醆) Procedural Amendment February 19, 1985 Commissioner of the Patent Office Gakudono Shiga 1985 Patent Application No. 220238 2 Title of invention Linear pulse motor 3 Amendment to the case of the person making the amendment Related: Office Applicant, ,,,,] ft2 Tokyo Chuo 1. <11 pieces 4. j, +3
No. 12 No. 27° & Contents of amendment (1) The scope of claims is amended as shown in the attached sheet. (2) "Linear pulse motor having a head and legs" in lines 2 to 17 of page 6 of the specification shall be corrected as follows. [The heads St of four plate-shaped magnetic poles each having a head and a leg are arranged so as to be concentrated, and teeth are provided on the plane part of the heads of the magnetic poles along the direction of movement of the movable side of the linear pulse motor. are formed at equal intervals and with a displacement of 1 pitch sequentially in the order of magnetic flux 1 generation, and the leg portions of each pair of magnetic poles located on the same side with respect to the traveling direction of the movable side of the linear pulse motor. An excitation coil is attached with a magnetic connection to the magnetic pole, and a permanent magnet with a different polarity arranged on each pair of magnetic poles is arranged on the back surface of each magnetic pole, facing the teeth of each magnetic pole, The movable side of the linear pulse motor is moved by using a scale having the same tooth pitch and a fixed cap between the teeth of the scale and the tooth of the magnetic pole. A guide 2 for guiding in the Te direction is arranged so as to concentrate the heads of four plate-shaped magnetic poles having heads and legs, and The teeth are arranged at equal intervals in the moving direction of the linear pulse motor, and the magnetic flux is 1. Magnetic connection to each pair of the scarlet pole leg portions formed with a displacement of 7 hits in the order of occurrence and located on the same side with respect to the moving direction of the movable side of the linear pulse motor. A permanent magnet with a different polarity for each pair of magnetic poles is placed on the back side of the moxibustion tube, facing the teeth of each of the magnetic poles, and having the same tooth. A linear pulse comprising a scale having a pitch and a guide means for holding a fixed cap between the teeth of the scale and the teeth of the magnetic pole to guide the movable side of the linear pulse motor in the traveling direction. smoke. (2) The linear pulse motor according to item 1, wherein the guide means includes a roller, thereby maintaining the constant gap.

Claims (1)

【特許請求の範囲】 <lI 頭部及び脚部を有する4個の板状磁極部拐の前
記頭部全集中させるように配置し、該磁極部材の頭部の
平面部に当該リニアパルスモータの可動側の進行方向に
沿って歯部を等間隔に、かつ磁束発生の順に順次重ピッ
チずつの変位を有して形成し、当該リニアパルスモータ
の可動側の進行方向に関し同一側方に位置する各一対の
前記磁極部材の脚部に対して磁気的な接Wck伴って励
磁用コイル全装看し、前記各一対の磁極部材にそれぞれ
異なる極性金配した永久磁石を前記各磁極部材の背面に
配置し、前記各磁極部材の歯部に対向し、同一歯部ピッ
チを有するスケールと、該スケールの歯部と前記磁極部
拐の歯部との間に一定のギャップ全保持させて当該リニ
アパルスモータの可動側を前記進行方向に案内するガイ
ド手段とを備えたリニアパルスモータ。 (2) 前記ガイド手段はローラ金倉み、これによp前
記一定のギャップを保持させるようにしている前記第1
項に記載のリニアパルスモータ。
[Scope of Claims] <lI The heads of four plate-shaped magnetic pole members each having a head and leg parts are arranged so that the heads are all concentrated, and the linear pulse motor is placed on the flat part of the heads of the magnetic pole members. The teeth are formed at equal intervals along the direction of movement of the movable side and are displaced by heavy pitches in the order of magnetic flux generation, and are located on the same side with respect to the direction of movement of the movable side of the linear pulse motor. An excitation coil is fully mounted with magnetic contact Wck to the legs of each pair of magnetic pole members, and a permanent magnet with a different polarity arranged on each pair of magnetic pole members is attached to the back surface of each magnetic pole member. A scale is arranged, facing the teeth of each of the magnetic pole members and having the same tooth pitch, and maintaining a constant gap between the teeth of the scale and the teeth of the magnetic pole member to generate the linear pulse. A linear pulse motor comprising a guide means for guiding a movable side of the motor in the traveling direction. (2) The guide means includes a roller, which maintains the constant gap between the first and second parts.
The linear pulse motor described in section.
JP22023883A 1983-11-22 1983-11-22 Linear pulse motor Granted JPS60113652A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22023883A JPS60113652A (en) 1983-11-22 1983-11-22 Linear pulse motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22023883A JPS60113652A (en) 1983-11-22 1983-11-22 Linear pulse motor

Publications (2)

Publication Number Publication Date
JPS60113652A true JPS60113652A (en) 1985-06-20
JPS6347070B2 JPS6347070B2 (en) 1988-09-20

Family

ID=16748051

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22023883A Granted JPS60113652A (en) 1983-11-22 1983-11-22 Linear pulse motor

Country Status (1)

Country Link
JP (1) JPS60113652A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS622851A (en) * 1985-06-26 1987-01-08 Shinko Electric Co Ltd Linear pulse motor
JPS6212369A (en) * 1985-07-05 1987-01-21 Shinko Electric Co Ltd Linear pulse motor
JPS62104470A (en) * 1985-10-29 1987-05-14 Omron Tateisi Electronics Co Plate-formed linear pulse motor
EP0229280A2 (en) * 1986-01-14 1987-07-22 OMRON Corporation Planar linear pulse motor

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS622851A (en) * 1985-06-26 1987-01-08 Shinko Electric Co Ltd Linear pulse motor
JPS6212369A (en) * 1985-07-05 1987-01-21 Shinko Electric Co Ltd Linear pulse motor
JPH0510908B2 (en) * 1985-07-05 1993-02-12 Shinko Electric Co Ltd
JPS62104470A (en) * 1985-10-29 1987-05-14 Omron Tateisi Electronics Co Plate-formed linear pulse motor
EP0229280A2 (en) * 1986-01-14 1987-07-22 OMRON Corporation Planar linear pulse motor
US4860183A (en) * 1986-01-14 1989-08-22 Omron Tateisi Electronics Co. Planar linear pulse motor

Also Published As

Publication number Publication date
JPS6347070B2 (en) 1988-09-20

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