JPS60109756A - Linear pulse motor - Google Patents
Linear pulse motorInfo
- Publication number
- JPS60109756A JPS60109756A JP21543483A JP21543483A JPS60109756A JP S60109756 A JPS60109756 A JP S60109756A JP 21543483 A JP21543483 A JP 21543483A JP 21543483 A JP21543483 A JP 21543483A JP S60109756 A JPS60109756 A JP S60109756A
- Authority
- JP
- Japan
- Prior art keywords
- scale
- slider
- toothed portions
- pitch
- 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.)
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Linear Motors (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は永久磁石からの磁束と各相励磁コイルの励磁に
基づく磁束との相互関係により動作するリニアパルスモ
ータに関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a linear pulse motor that operates based on the interrelationship between the magnetic flux from a permanent magnet and the magnetic flux based on the excitation of each phase excitation coil.
従来例の構成とその問題点
近年、リニアパルスモータの産業界への進出にはめざま
しいものがあり、とりわけ、タイプライタ、プリンタ等
のヘット駆動装置として利用されるようになってきた。Conventional Structures and Their Problems In recent years, linear pulse motors have made remarkable advances in industry, and in particular, they have come to be used as head drive devices for typewriters, printers, and the like.
以下に従来のリニアパルスモニタについて説1月する。The conventional linear pulse monitor will be explained below.
第1図は従来のリニアパルスモータの原理図である。第
1図において、1はスケールで、表面に歯部1aが長手
方向に連続的にしかも開隔に形成されている。2はスラ
イダーで、2個の山部鉄心2a 、 2bを永久磁石2
cにて橋絡して構成され、各鉄心2 a 、 2 b
O歯部2 a 1 、2 a 2 、2 b 1 。FIG. 1 is a diagram showing the principle of a conventional linear pulse motor. In FIG. 1, reference numeral 1 denotes a scale, on the surface of which teeth 1a are formed continuously in the longitudinal direction and at intervals. 2 is a slider, and the two peak iron cores 2a and 2b are connected to permanent magnets 2.
c, each core 2a, 2b
O tooth portions 2 a 1 , 2 a 2 , 2 b 1 .
2b2 はそれぞれの間隔はスライダー歯部1’aKお
ける%ピッチのずれを有し、さらに歯部2a1と2b
および2 a 2と2b2吉はスケール歯部1aにおけ
る%ピッチのずれを生じるように&けられている。2c
i、2eはコイルで、コイル2dは歯部2 a 1.2
a2 に対して巻回し、方向を反対にして連続的に装
着される。もう一方のコイル2eは鉄心2bの各歯部2
b1,2b2 に図示の通りの巻回し方向にて装着され
ている。2b2 has a % pitch deviation in the slider tooth portion 1'aK, and the tooth portions 2a1 and 2b
and 2 a 2 and 2 b 2 are deviated so as to cause a % pitch deviation in the scale tooth portion 1a. 2c
i, 2e are coils, coil 2d is toothed part 2a 1.2
It is wound around a2 and installed continuously in the opposite direction. The other coil 2e is connected to each toothed portion 2 of the iron core 2b.
b1, 2b2 in the winding direction as shown in the figure.
」二記第1図の原理図において、各コイル2d。In the principle diagram of Figure 1, each coil 2d.
2eの励磁方向を定められた順序に切替制御を行なうこ
とにより、永久磁石2cからの磁束との相互作用によっ
てスケール歯部の阿ピッチずっスライダー20歩進運動
が達成できる。By controlling the excitation direction of the magnet 2e to switch in a predetermined order, it is possible to achieve stepwise movement of the scale tooth portion of the slider 20 by interaction with the magnetic flux from the permanent magnet 2c.
しかしながら上記の従来の構成では、
■ 各鉄心2a 、 2b相互間歯部間隔(たとえば歯
部2a と2b1 との間隔)は正確な位置決め動作に
おいて極めて重要であるが、各鉄心2a、2bを永久磁
石2Cにて橋絡しつつ精度を出すことは極めて困難であ
る。However, in the conventional configuration described above, (1) the spacing between the teeth between the cores 2a and 2b (for example, the spacing between the teeth 2a and 2b1) is extremely important for accurate positioning; It is extremely difficult to achieve accuracy while bridging at 2C.
@ 2個のスライダー用鉄心2a、2bをお互いに磁気
的絶縁のもとにしかも、永久磁石2Cの磁気吸引力を受
けつつその組立t1一度を出してかつ、充分な強度をも
たせることが製造上固溶である等のいくつかの問題点を
有していた。@ In manufacturing, it is necessary to make the two slider iron cores 2a and 2b magnetically insulated from each other, to be able to assemble them once while receiving the magnetic attraction force of the permanent magnet 2C, and to have sufficient strength. It had several problems such as being a solid solution.
発明の目的
本発明は上記従来の問題点を解消するもので、位置決め
精度を高く維持しつつ製作かdJ能で、かつ、位置決め
精度の向上をけがるこ吉のできるリニアパルスモータを
提供することを目的とする。OBJECTS OF THE INVENTION The present invention solves the above-mentioned conventional problems, and provides a linear pulse motor that can be manufactured easily while maintaining high positioning accuracy, and that can improve positioning accuracy. With the goal.
発明の構成
前記目的を達成するため、不発IJII−jlJニアパ
ルスモータ用スライダの進行方向に沿って中央部を境に
両側のスケール歯部と、スライダー用鉄心歯部との相対
位置をにピッチずらす、とともに、永久磁石のN、S各
様をスライダーの進行方向に沿う中心線を境に両側に配
置することにより、位置決め精度を高く維持しつつ製作
妙判能で、位置決め精度の向」二をはかれ、かつ、推力
/重量を大きくすることができるため応答性の向上がは
かれる等の優れた特長を有するものである。Structure of the Invention In order to achieve the above-mentioned object, the relative positions of the scale tooth portions on both sides of the slider for the unexploded IJII-jlJ near-pulse motor with respect to the center along the traveling direction and the iron core tooth portion for the slider are shifted by a pitch. In addition, by arranging N and S permanent magnets on both sides of the center line along the slider's advancing direction, we can maintain high positioning accuracy and improve manufacturing efficiency. It has excellent features such as being thinner and having greater thrust/weight, which improves responsiveness.
実施例の説8IJ
第2図、第3図、第4図は本発明の一実施例における斜
視図、正面図および前記正面図のA −A/断面図を示
している。各図において、3はリニアパルスモータ用ス
ケールで、後述するスライダーの進行方向の中心線に沿
った両側にスケール歯部のピンチ2に対してにピッチ(
っまDxl’)のずれを有する歯部3a、3bを形成し
ている。4はリニアパルスモータ用スライダーで、上記
歯部3a 、3bそれぞれに対向する歯部磁極を備えた
鉄心5,6、各鉄心6,6を磁気絶縁する非磁性体7、
」二記各鉄心5,6、スケール3とヨーク8を通じて磁
束を発生させる永久磁石9、およびコイル10.11か
ら構成される。DESCRIPTION OF EMBODIMENTS 8IJ FIGS. 2, 3, and 4 show a perspective view, a front view, and an A-A/sectional view of the front view in one embodiment of the present invention. In each figure, 3 is a scale for a linear pulse motor, and the pitch is (
The tooth portions 3a and 3b are formed with a deviation of Dxl'). Reference numeral 4 denotes a slider for a linear pulse motor, which includes iron cores 5 and 6 having toothed magnetic poles facing each of the toothed portions 3a and 3b, a non-magnetic material 7 for magnetically insulating each of the iron cores 6 and 6,
It is composed of a permanent magnet 9 that generates magnetic flux through the iron cores 5 and 6, the scale 3 and the yoke 8, and coils 10 and 11.
ところで、上記鉄心5の歯部磁極5aidスケ一ル歯部
3a1 に対向する位置に配置される状態において、5
bはスケール孔部3a2に、上記鉄心6の歯部磁極ea
、ebはスケール歯部の中間に位置するように形成され
る。ずなわち、歯部磁極6a 、 5b相互間(歯部e
a、6bKついても同様)はそれぞれスケール歯部3a
、sbの /2ピッチの間隔を有し、歯部磁極5a 、
6a (歯部5b、6bについても同様)はそれぞれ
スケール歯部3a、3bの%ピッチの[1)を有してい
る。By the way, in a state where the toothed magnetic pole 5aid of the iron core 5 is placed at a position facing the scale toothed portion 3a1, the 5
b is the toothed magnetic pole ea of the iron core 6 in the scale hole 3a2.
, eb are formed to be located in the middle of the scale teeth. That is, between the toothed magnetic poles 6a and 5b (toothed part e
The same applies to a and 6bK) is the scale tooth portion 3a, respectively.
, sb, with a spacing of /2 pitch, and toothed magnetic poles 5a,
6a (the same applies to the tooth portions 5b and 6b) has a % pitch [1] of the scale tooth portions 3a and 3b, respectively.
上記第2図、第3図および第4図の構成について、その
具体的動作原理を第5図に従って説り1する。第5図で
鉄心6のコイル10にパルス電流か流れると、鉄心5は
磁気的に安定な状態に、丑だ鉄心6は磁気的に不安定な
状態になる。永久磁石9が発生する磁束をφ としたと
き、第5図ta+にm。Regarding the configurations shown in FIGS. 2, 3, and 4, the specific operating principle will be explained with reference to FIG. As shown in FIG. 5, when a pulse current flows through the coil 10 of the iron core 6, the iron core 5 becomes magnetically stable and the dead iron core 6 becomes magnetically unstable. When the magnetic flux generated by the permanent magnet 9 is φ, m is shown in ta+ in FIG.
おいて歯部磁極6a、6bで磁束φ は2分されている
。しかし、歯部磁極らaではφ。十φ1となってその位
置に強く拘束されるか、歯部磁極5bではφ。−φ□と
なり磁束は相殺される。The magnetic flux φ is divided into two by the toothed magnetic poles 6a and 6b. However, from the toothed magnetic pole to a, φ. 10φ1 and is strongly restrained in that position, or the toothed magnetic pole 5b has φ. -φ□, and the magnetic flux is canceled out.
つぎに鉄心6のコイル11にパルス電流が流ねると、今
度は鉄心6が安定な状態に、鉄心5は不安定な状態とな
る。また、第5図(c)では、電磁石5に第6図(−1
とは逆極性になるようにパルス電流を流し、さらに第5
図(d)では、電磁石6に第5図(b)とは逆極性にな
るようにパルス電流を流すことを順次繰返すことによっ
てスライダー4は左方向へと移りジノする。この場合、
スライダー4は%ピッチを1ステツプとして運動してい
る。Next, when a pulse current flows through the coil 11 of the iron core 6, the iron core 6 becomes stable and the iron core 5 becomes unstable. In addition, in FIG. 5(c), the electromagnet 5 is shown in FIG. 6(-1
A pulse current is passed so that the polarity is opposite to that of the fifth
In FIG. 5(d), the slider 4 moves to the left by sequentially passing a pulse current through the electromagnet 6 so as to have a polarity opposite to that in FIG. 5(b). in this case,
The slider 4 moves with % pitch as one step.
なお、」二記説明において、スライダー用鉄心5゜6の
各南都磁極6a、5b 、6a、6bはスライダー移動
方向と直角方向の相対位置を一致させ、これらの各鉄心
6,6に備えられた各歯部5a。In addition, in the explanation in Section 2, the relative positions of the Nanto magnetic poles 6a, 5b, 6a, 6b of the slider iron core 5°6 in the direction perpendicular to the slider movement direction are made to match, and Each tooth portion 5a.
5b 、6a 、ebそれぞれに対応するスケール3の
歯部3a、3bを%ピッチずつ変位させた例を示したが
、第6図、第7図および第8図に示すように、スケール
3の南部はスライダー4の進行方向に沿って左右にずら
すことなく、スライダー用鉄心5,6の磁極tsa、r
sb、ea、6bをスライダー4の進行方向に直角方向
の相対位置をスケール歯部の%ピッチずらすようにして
も全く均等な作用ができる。また、上記説明において永
久磁石はスライダー4の背面においだ構造を示しだが、
第9図、第10図に示すようにスライダー4の間にはさ
みこむ形状としてもよい。また、上記説r!Ij1相励
磁に代えて、2相ないし、1−2相励磁を採用すること
もできる。さらに、磁極鉄心の歯3j<間隔と巻線は実
施例に限定されることなくいくつ、かの変形が考えられ
ることはいうまでもない。An example was shown in which the tooth portions 3a and 3b of scale 3 corresponding to 5b, 6a, and eb were displaced by % pitch, but as shown in FIGS. 6, 7, and 8, the southern part of scale 3 The magnetic poles tsa and r of the slider cores 5 and 6 are aligned without shifting left and right along the advancing direction of the slider 4.
Even if the relative positions of sb, ea, and 6b in the direction perpendicular to the direction of movement of the slider 4 are shifted by % pitch of the scale teeth, completely uniform effects can be achieved. Furthermore, in the above explanation, the permanent magnet is shown to be located on the back side of the slider 4, but
As shown in FIGS. 9 and 10, it may be inserted between sliders 4. Also, the above theory! Ij Instead of 1-phase excitation, 2-phase or 1-2 phase excitation can be adopted. Furthermore, it goes without saying that the number of teeth 3j<interval of the magnetic pole core and the number of windings and the number of windings are not limited to the embodiment, and that some modifications can be considered.
発り]の効果
以上述べたように、不発E!AK (Mるリニアパルス
モークは永久磁石に基つく磁束とスライダー用山部磁極
に備えられたコイルの励磁(、’J替に基つく磁束との
相互作用に基づいて駆動制御をなす構成において、スラ
イダー用磁極鉄心を当該スライダーの進行方向と直角方
向に2分割し、各磁心の背面あるいは間に永久磁石を介
して橋絡し、各鉄心の対応する歯部磁極に対応するスケ
ール南部か当該スケール歯部の%ピンチ変位させるよう
にしたものである。かかる構成に基ついて、
■ スライダーの進行方向における各鉄心の一連の歯部
磁極相互間隔は鉄心素拐打抜きに際して正しく規制され
ているので、従来のように永久磁石等が介在する構成に
比べて各歯部磁極間隔の精度を高く維持できる。As mentioned above, the effect of the unexploded E! AK (M Linear Pulse Smoke is a configuration in which drive control is performed based on the interaction between magnetic flux based on a permanent magnet and magnetic flux based on excitation of a coil provided on the peak magnetic pole for the slider (, 'J). The magnetic pole iron core for the slider is divided into two in the direction perpendicular to the direction of movement of the slider, and a permanent magnet is bridged between the backs of each magnetic core or between them, and the southern part of the scale corresponding to the corresponding toothed magnetic pole of each iron core is divided into two. % pinch displacement of the teeth.Based on this configuration, ■ The distance between the magnetic poles of a series of teeth of each iron core in the direction of movement of the slider is correctly regulated when punching the core. Compared to a configuration in which a permanent magnet or the like is involved, the accuracy of the magnetic pole spacing of each tooth can be maintained at a high level.
@ スライダー進行方向に分離された鉄心を連結するだ
めの従来の構成は強度を保つために大型化するのに比べ
、この種の連結が不要となり、推力/重量を大きくする
ことができ、応答性の向上が図れる等の優れた特徴を有
する。@ Compared to the conventional structure of connecting the iron cores that are separated in the direction of slider movement, which requires increasing the size to maintain strength, this type of connection is not required, the thrust/weight can be increased, and the response is improved. It has excellent features such as being able to improve the
第1図は従来のリニアパルスモータの原理構成図、第2
図、第3図、第4図はそれぞれ本発明に係るリニアパル
スモークの一具体的禍成を示す着視図、正面図および断
面図、第5図は動作を説りJするための原理図、第6図
は他の実施例を示す斜視図、第7図、第9図は他の実施
例を示す正面図、第8図、第10図は他の実施例を示す
断面図である。
3・・・・・・スケール、3a、sb・・・・・・スケ
ール歯部、4・・・・・・スライダー、5,6・・・・
・・磁極鉄心、5a。
5b、ea、eb・・・・・・歯′部磁極、9・・・・
・・永久磁石、10.11・旧・・コイル。
第1図
第2図
第3図
第4図
第5図
co−)(b)
(C)(の
第6図
關 7 図
第9図
r−=A
第10図Figure 1 is the principle configuration diagram of a conventional linear pulse motor, Figure 2
Figures 3 and 4 are a perspective view, a front view, and a sectional view showing a specific structure of the linear pulse smoke according to the present invention, respectively, and Figure 5 is a principle diagram for explaining the operation. , FIG. 6 is a perspective view showing another embodiment, FIGS. 7 and 9 are front views showing other embodiments, and FIGS. 8 and 10 are sectional views showing other embodiments. 3...Scale, 3a, sb...Scale teeth, 4...Slider, 5, 6...
...Magnetic pole iron core, 5a. 5b, ea, eb...Tooth base magnetic pole, 9...
・・Permanent magnet, 10.11・Old・・Coil. Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 co-) (b) (C) (Figure 6) Figure 9 r-=A Figure 10
Claims (3)
ピッチでスケール歯部を形成し、前記スケール歯部に対
向して設けられしかも、スケール長手方向に摺動するス
ライダーには、前記スケール歯ピッチで、歯部磁極を2
組形成し、このうちの1組の歯部磁極を、前記スケール
歯部の一方の列に対峙させた時、前記歯部磁極の他の1
組は、前記スケール歯部の他方の列に対し、前記1組の
歯部磁極と、前記スケール歯部の一方の列の対峙状態と
、前記スケール歯部のピッチのiヒツチずれた状態にて
対峙してなることを特徴とするリニアパルスモータ。(1) In the longitudinal direction of the scale, two rows of scale teeth are formed in parallel and at equal pitches, and a slider that is provided opposite to the scale teeth and that slides in the longitudinal direction of the scale has the above-mentioned scale teeth. With the scale tooth pitch, the tooth magnetic poles are 2
When one set of tooth magnetic poles is opposed to one row of the scale teeth, the other one of the tooth magnetic poles is
The set includes a state in which the one set of tooth magnetic poles and one row of the scale teeth face each other, and a state in which the pitch of the scale teeth is shifted by i hit with respect to the other row of the scale teeth. A linear pulse motor characterized by facing each other.
に、スケール歯部ヒツチ−ヒツチすらしだ状態で設けら
れたことを特徴とする特許請求の範囲第1項記載のリニ
アパルスモーク。(2) The linear pulse smoke according to claim 1, wherein the two rows of scale teeth are provided in the longitudinal direction of the scale in a state where the scale teeth are hit-to-hit.
極は、スケール歯部ヒツチiヒツチずらした状態にて設
けられたことを特徴とする特、fr請求の範囲第1項記
載のリニアパルスモーク。(3) The linear pulse set forth in claim 1, characterized in that the two sets of tooth magnetic poles provided on the slider are provided with the scale teeth shifted by one hit. smoke.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21543483A JPS60109756A (en) | 1983-11-15 | 1983-11-15 | Linear pulse motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21543483A JPS60109756A (en) | 1983-11-15 | 1983-11-15 | Linear pulse motor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS60109756A true JPS60109756A (en) | 1985-06-15 |
Family
ID=16672274
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP21543483A Pending JPS60109756A (en) | 1983-11-15 | 1983-11-15 | Linear pulse motor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60109756A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2577356A1 (en) * | 1985-02-09 | 1986-08-14 | Amada Co Ltd | LINEAR MOTOR PAS-A-PAS |
-
1983
- 1983-11-15 JP JP21543483A patent/JPS60109756A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2577356A1 (en) * | 1985-02-09 | 1986-08-14 | Amada Co Ltd | LINEAR MOTOR PAS-A-PAS |
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