JPS61139262A - Linear pulse motor - Google Patents
Linear pulse motorInfo
- Publication number
- JPS61139262A JPS61139262A JP26144584A JP26144584A JPS61139262A JP S61139262 A JPS61139262 A JP S61139262A JP 26144584 A JP26144584 A JP 26144584A JP 26144584 A JP26144584 A JP 26144584A JP S61139262 A JPS61139262 A JP S61139262A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic pole
- carriage
- pole
- magnet
- permanent magnet
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion 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
- H02K41/02—Linear motors; Sectional motors
- H02K41/03—Synchronous motors; Motors moving step by step; Reluctance motors
Abstract
Description
【発明の詳細な説明】 〔技術分野〕 この発明は、リニアパルスモータに関するものである。[Detailed description of the invention] 〔Technical field〕 The present invention relates to a linear pulse motor.
第４図に従来例を示す。すなわち、５０は棒状固定子、
５１はキャリッジ、５２．５３はコイル、５４〜５７は
磁極子、５８は永久磁石、５９はローラベアリングであ
る。このリニア／＜ルスモータは、コイｙ５２．５３に
相互に９０度位相のずれ九バイポーラのバＶスを印加す
ると、／＜ｆＷスに応じてキャリフジ５１が一方向にス
テップ動作する。FIG. 4 shows a conventional example. That is, 50 is a rod-shaped stator;
51 is a carriage, 52 and 53 are coils, 54 to 57 are magnetic pole pieces, 58 is a permanent magnet, and 59 is a roller bearing. In this linear/<fW motor, when a 9 bipolar bus V with a phase shift of 90 degrees is applied to the coils y52 and 53, the carriage 51 steps in one direction in response to the /<fW bus.
しかしながら、このリニア／＜〃スモータ紘、軸方向に
長く、またコイＡ’５２．５３の両外偶となる磁極子５
４．５７に永久磁石５８の磁束が流れに＜＜、安定動作
しくぐいという欠点があった。However, this linear /
4.57 has the drawback that the magnetic flux of the permanent magnet 58 does not flow smoothly, making stable operation difficult.
この発明の目的は、キャリッジの軸方内金短縮し小形化
できるとともに、各磁極子に均一に永久磁石の磁束を供
給することができるリニアｔ＜ ＩＶスモータを提供す
ることである。An object of the present invention is to provide a linear t<IV motor that can shorten the axial inner diameter of the carriage to make it more compact, and can uniformly supply the magnetic flux of the permanent magnet to each magnetic pole piece.
この発明のリニアパルスモータは、表面の幅方向に磁極
歯を列設し丸棒状固定子と、この棒状固定子に移動自在
に遊嵌するキャリフジと、このキャリフジに固定されて
軸方向に配列される一対のコイルと、これらの各コイル
の幅方向の両端にそれぞれ配設されて前記磁極歯に対向
する磁極歯を形成した磁極子と、これらの磁極子の外周
側に配役されて各磁極子に磁極を対向するとともにコイ
ルの一方の両端の磁極子とコイルの他方の両端の磁極子
とが相互に異極となるようにした永久磁石とを備えたも
のである。永久磁石がコイルの軸方向に配置されないた
め可動子の軸方向を短縮できる。また各磁極子の外周側
に永久磁石を配置するため各磁極子に均一に永久磁石の
磁束を供給することができる。The linear pulse motor of the present invention includes a round bar-shaped stator with magnetic pole teeth arranged in a row in the width direction of the surface, a carriage which is movably loosely fitted into the bar-shaped stator, and which is fixed to the carriage and arranged in the axial direction. a pair of coils, a magnetic pole piece disposed at both widthwise ends of each of these coils to form magnetic pole teeth opposing the magnetic pole teeth, and each magnetic pole piece disposed on the outer circumferential side of these magnetic pole pieces. The permanent magnet has magnetic poles facing each other and has magnetic pole pieces at both ends of one side of the coil and magnetic pole pieces at both ends of the other side of the coil having different polarities. Since the permanent magnet is not arranged in the axial direction of the coil, the axial length of the mover can be shortened. Further, since the permanent magnet is arranged on the outer circumferential side of each magnetic pole piece, the magnetic flux of the permanent magnet can be uniformly supplied to each magnetic pole piece.
実施例
この発明の一実施例を第１図ないし第３図に基づいて説
明する。図において、固定子１は断面円形棒状で表面の
軸方向に磁極歯２を列設するとともに、鵬方向にガイド
スリット（図示せず）を形成している。キャリッジ３は
円筒体で、内側に軸方向の位置決め用突条４を複数形成
し、突条４間にそれぞれ磁性体をなす鉄板５を断面円弧
状に曲成して装着し、さらに鉄板５に重ねて断面円弧状
の永久磁石６を位置決めしている。この永久磁石６゜６
′は軸方向に２個配置され、相互に所定の絶縁スペーサ
（空隙でもよい）７を介在し、各永久磁石６は径方向に
磁極Ｎ、Ｓを有し、かつ相互は磁極Ｎ、Ｓの向きが異な
っている。前記キャリッジ３の内側にリング状の磁極子
８〜１１および一対のコイＡ’ｌ ２ 、１３が嵌着さ
れ、突条４で位置決め固定されるが、各コイル１２．１
３の両端に磁極子８．９および１０．１１が配置される
とともにコイＡ／１２．１３間の磁極子９，１０間がス
ペーサ１４で絶縁されている。また前記磁極歯２に対向
して所定の磁気ギャップをおいて磁極子８〜１１に磁極
歯１５が形成されているが、磁極歯２に対する関係は磁
極子８．９ならびにｌｉｄ糎子１０．１１の磁極歯１５
が磁極歯２のピッチに対して各々相１１の相互が１ピツ
チず屁るようにする。これはスペーサ１４によって設定
される。また外側の磁極子８．１１に切欠部１６を形成
し、切欠部１６Ｉｃａ−ラベアリング１７を支持して前
記ガイド溝に支持させる。Embodiment An embodiment of the present invention will be described with reference to FIGS. 1 to 3. In the figure, a stator 1 has a circular rod-like cross section, and has magnetic pole teeth 2 arranged in an axial direction on its surface and guide slits (not shown) in the direction of the shaft. The carriage 3 is a cylindrical body with a plurality of protrusions 4 for positioning in the axial direction formed on the inside, and iron plates 5 made of a magnetic material each having an arcuate cross section are attached between the protrusions 4. Permanent magnets 6 having arcuate cross sections are positioned one over the other. This permanent magnet 6゜6
' are arranged in the axial direction, and each permanent magnet 6 has a predetermined insulating spacer (an air gap may be used) 7 between them, and each permanent magnet 6 has magnetic poles N and S in the radial direction, and each permanent magnet 6 has magnetic poles N and S in the radial direction. The directions are different. Ring-shaped magnetic pole pieces 8 to 11 and a pair of coils A'l 2 and 13 are fitted inside the carriage 3, and are positioned and fixed by the protrusion 4. Each coil 12.1
Magnetic pole pieces 8.9 and 10.11 are arranged at both ends of the coil A/12.13, and the magnetic pole pieces 9 and 10 between the coil A/12.13 are insulated by a spacer 14. Further, magnetic pole teeth 15 are formed on the magnetic pole pieces 8 to 11 with a predetermined magnetic gap in opposition to the magnetic pole teeth 2, but the relationship with the magnetic pole teeth 2 is as follows: magnetic pole teeth 15
The pitch of each phase 11 is set so that the pitch of each phase 11 is equal to the pitch of the magnetic pole teeth 2. This is set by spacer 14. Further, a notch 16 is formed in the outer magnetic pole piece 8.11, and the notch 16 supports the bearing 17 and is supported in the guide groove.
コノリニアパルスモータの永久磁石６ 、６’に！る磁
束は、第１図の矢印のように、永久磁石６′のＮ極から
、一対の磁極子８．９、固定子１、一対の磁極子１０．
１１、永久磁石６のＳ極、永久磁石６ＯＮ極から鉄板５
、永久磁石６′のＳ極の経路をとり、その結果、磁極子
８〜１１に対向する磁極歯２が有極化される。を九、コ
イル１２．１３は従来と同様、相互に９０度位相のずれ
たパイポーワパルスが印加され、パルスに応じてキャリ
フジ３が固定子１上をステップ移動する。その動作の詳
細は公矧のため省略する。For the permanent magnets 6 and 6' of the Conoli linear pulse motor! As shown by the arrow in FIG. 1, the magnetic flux flows from the N pole of the permanent magnet 6' to the pair of magnetic pole pieces 8.9, the stator 1, the pair of magnetic pole pieces 10.
11. From the S pole of permanent magnet 6 to the ON pole of permanent magnet 6, iron plate 5
, takes the path of the S pole of the permanent magnet 6', and as a result, the magnetic pole teeth 2 facing the magnetic pole pieces 8 to 11 are polarized. 9. Pipowa pulses having a phase shift of 90 degrees from each other are applied to the coils 12 and 13 as in the conventional case, and the carriage 3 moves stepwise on the stator 1 in response to the pulses. The details of its operation are omitted for the sake of brevity.
このように構成したため、このリニアパルスモータは、
キャリッジ３の軸方向長さを従来に比して短縮でき小形
化できる。また前記磁束の径路かられかるように、各磁
極子８〜１１に均等に永久磁石６．６′の磁束が供給さ
れ、磁極子８〜１１に対向する固定子の磁極歯セが確実
に有極化され、キャリッジ３を安定動作できる。With this configuration, this linear pulse motor
The axial length of the carriage 3 can be shortened and the carriage 3 can be made smaller than before. Also, as shown in the path of the magnetic flux, the magnetic flux of the permanent magnets 6 and 6' is evenly supplied to each of the magnetic pole pieces 8 to 11, and the magnetic pole teeth of the stator facing the magnetic pole pieces 8 to 11 are reliably provided. The carriage 3 can be operated stably.
なお、この発明において、永久磁石６．６′は軸方向に
２枚構成しているが、両端部に異磁極をもつ１枚の永久
磁石で構成してもよい。この場合、前記鉄板は省略でき
る。また局方向に分割しないで一対の円筒状磁石を用い
てもよい。さらに永久磁石は円弧状でなく平板状に形成
し、磁極子との間にヨークを介在する構成でもよい。In this invention, the permanent magnets 6 and 6' are constructed of two sheets in the axial direction, but they may be constructed of one permanent magnet having different magnetic poles at both ends. In this case, the iron plate can be omitted. Alternatively, a pair of cylindrical magnets may be used without being divided in the local direction. Furthermore, the permanent magnet may be formed not in an arc shape but in a flat plate shape, and a yoke may be interposed between the permanent magnet and the magnetic pole piece.
この発明によれば、永久磁石を磁極子の外周側に配置し
たことにより、キャリッジの軸方向長さを短縮でき、ま
た各磁極子に均等に永久１ａ石の磁束を供給することが
できるという効果がある。According to this invention, by arranging the permanent magnet on the outer circumferential side of the magnetic pole piece, the axial length of the carriage can be shortened, and the magnetic flux of the permanent 1a stone can be evenly supplied to each magnetic pole piece. There is.
第１図はこの発明の一実施例の断面図、第２図はそのＩ
−１線断面図、第３図はギヤ＋７ フジの斜現図、第４
因は従来例の断面図である。
１・・・固定子、２・・・磁極歯、３・・・キャリッジ
、６゜６′・・・永久磁石、８〜１１・・・磁極子、１
２．１３・・・コイＭ
手続補正書（膀
昭和６０年０３月１１日
昭和５９年特許願第２６１４４５号
２、発明の名称
リニアパルスモータ
３、補正をする者
舅牛との関係 出願人
４、代理人
５、補正命令の日付
自発補正
（２） 区間の′ＩＪＪｌ凶および第４凶七万ｌ撒の
とおり４止する。
１−固ヱ÷
２−澁楊１
３−・キャリ、・、、；
６．６’−−一永２礒ろ
８．９．１０，１１、−６誦十
１２．１３・・−コイル
■
第１図FIG. 1 is a sectional view of one embodiment of this invention, and FIG. 2 is its I
-1 line sectional view, Figure 3 is gear +7. Fuji's oblique view, Figure 4.
The reason is the sectional view of the conventional example. DESCRIPTION OF SYMBOLS 1... Stator, 2... Magnetic pole tooth, 3... Carriage, 6°6'... Permanent magnet, 8-11... Magnetic pole piece, 1
2.13... Koi M Procedural amendment (March 11, 1985 Patent Application No. 261445 2, Title of invention Linear Pulse Motor 3, Relationship with the person making the amendment) Applicant 4 , Agent 5, voluntary amendment of the date of the amendment order (2) 4 stop as per the section 'IJJl and 4th 70,000 l. ,; 6.6'--Ichiei 2 Isoro 8.9.10, 11, -6 recitation 12.13...-Coil■ Figure 1
Claims (1)
状固定子に移動自在に遊嵌するキャリッジと、このキャ
リッジに固定されて軸方向に配列される一対のコイルと
、これらの各コイルの軸方向の両端にそれぞれ配設され
て前記磁極歯に対向する磁極歯を形成した磁極子と、こ
れらの磁極子の外周側に配設されて各磁極子に磁極を対
向するとともにコイルの一方の両端の磁極子とコイルの
他方の両端の磁極子とが相互に異極となるようにした永
久磁石とを備えたリニアパルスモータ。A rod-shaped stator with magnetic pole teeth arranged in the width direction on its surface, a carriage that is movably loosely fitted into the rod-shaped stator, a pair of coils fixed to the carriage and arranged in the axial direction, and each of these coils. A magnetic pole piece is disposed at each end of the coil in the axial direction and has magnetic pole teeth facing the magnetic pole teeth, and a magnetic pole piece is disposed on the outer circumferential side of these magnetic pole pieces and has a magnetic pole facing each magnetic pole piece, and a magnetic pole piece is disposed at each end of the coil in the axial direction. A linear pulse motor equipped with a permanent magnet in which magnetic pole pieces at both ends of one side and magnetic pole pieces at both ends of the other side of a coil have mutually different polarities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26144584A JPS61139262A (en) | 1984-12-10 | 1984-12-10 | Linear pulse motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26144584A JPS61139262A (en) | 1984-12-10 | 1984-12-10 | Linear pulse motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61139262A true JPS61139262A (en) | 1986-06-26 |
Family
ID=17361989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26144584A Pending JPS61139262A (en) | 1984-12-10 | 1984-12-10 | Linear pulse motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61139262A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2793086A1 (en) * | 1999-04-29 | 2000-11-03 | Metabole Dev Et Conseil | FLOW SWITCHED LINEAR MOTOR |
-
1984
- 1984-12-10 JP JP26144584A patent/JPS61139262A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2793086A1 (en) * | 1999-04-29 | 2000-11-03 | Metabole Dev Et Conseil | FLOW SWITCHED LINEAR MOTOR |
| WO2000067364A1 (en) * | 1999-04-29 | 2000-11-09 | Metabole Developpement Et Conseil | Flux switching linear motor |
| US6750570B1 (en) | 1999-04-29 | 2004-06-15 | Metabode Developpement Et Conseil | Flux switching linear motor |
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