JPS5849192B2 - Print head for dot printer - Google Patents
Print head for dot printerInfo
- Publication number
- JPS5849192B2 JPS5849192B2 JP54103434A JP10343479A JPS5849192B2 JP S5849192 B2 JPS5849192 B2 JP S5849192B2 JP 54103434 A JP54103434 A JP 54103434A JP 10343479 A JP10343479 A JP 10343479A JP S5849192 B2 JPS5849192 B2 JP S5849192B2
- Authority
- JP
- Japan
- Prior art keywords
- permanent magnet
- armature
- plate
- fixed
- radial
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/22—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of impact or pressure on a printing material or impression-transfer material
- B41J2/23—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of impact or pressure on a printing material or impression-transfer material using print wires
- B41J2/235—Print head assemblies
- B41J2/25—Print wires
- B41J2/26—Connection of print wire and actuator
Landscapes
- Impact Printers (AREA)
Description
【発明の詳細な説明】
本発明は複数のプリントワイヤが偏倚力を排除されると
復元力で駆動されるよう構成されたアクチュエータ部材
をユニット化し組立て工数を削減したドットプリンタ用
印字ヘッドに関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a print head for a dot printer that reduces the number of assembly steps by unitizing an actuator member configured such that a plurality of print wires are driven by restoring force when biasing force is removed. be.
従来、この種の印字ヘッドの構造は主要機構要素である
印字ワイヤ、印字ワイヤガイド、印字ワイヤ駆動マグネ
ットコア・ヨーク、コイル、およびアーマチュアなどが
個々に設けられていて、複雑に部品が組込まれ係合され
る構造になっている。Conventionally, the structure of this type of print head has had its main mechanical elements, such as the print wire, print wire guide, print wire drive magnet core/yoke, coil, and armature, individually installed, and the parts have been assembled in a complicated manner. It has a structure that fits together.
従って構成部品点数が非常に多く、組立工数がかかるこ
とは勿論のこと、印字ワイヤガイド或は印字ワイヤガイ
ドブラケットに印字ワイヤ駆動マグネット組立がねじ、
リベット、カシメなどが多く使用されていたり、印字ワ
イヤの印字後の跳ね返りを受け止めるバックストップ組
立が、印字ワイヤガイドまたは印字ワイヤガイドブラケ
ット或は印字ワイヤ駆動マグネットヨーク或はケーシン
グ等に軸のスラスト方向のがたと倒れを規制するための
スタツドを介してねじ、リベット、カシメ、などで取り
付けられているため、多くの組立工数を要する構造にな
っており、故障の原因になるとともに大掛りな生産設備
を必要とするなど多くの欠点があった。Therefore, it goes without saying that the number of component parts is extremely large and the number of assembly steps is required.
Many rivets, caulks, etc. are used, and the backstop assembly that prevents the printing wire from rebounding after printing is installed in the printing wire guide, printing wire guide bracket, printing wire drive magnet yoke or casing, etc. in the thrust direction of the shaft. It is attached using screws, rivets, caulking, etc. through studs to prevent it from wobbling and falling, resulting in a structure that requires a lot of assembly man-hours, which can cause breakdowns and require large-scale production equipment. It had many drawbacks, such as the need for
本発明は従来の欠点を除去するため、弾性の円板体に放
射状の欠除部を設けて輪形周縁部と輻状片部を構戒する
と共に中心に円形欠除部を設けた輪形状の板ばねを設け
、前記輻状片部の先端にアーマチュアを固定し上面にL
字形に折曲したプリントワイヤを設け、前記プリントワ
イヤを折曲部において一直線上に配列してユニット体と
なるアクチュエータ部材と、一方円板形磁性体の第1プ
レート上に、その中央に円柱形の永久磁石を固定すると
共に前記永久磁石の軸心を中心とする円周上に励磁コイ
ルを装着したコア複数個と、前記永久磁石と励磁コイル
を装着したコイル複数個の外周に円筒体のケースとを固
定し、円板形磁性体の第2プレートを前記永久磁石上に
載置すると共に前記磁性体には前記アクチュエーク部材
のアーマチュアを挿入できる貫通孔を穿設してユニット
体となる駆動部材とを構成し、前記駆動部材上に前記ア
クチュエーク部材を載置すると共に前記貫通孔に前記ア
ーマチュアを挿入し、前記アクチュエー夕部材上に蓋体
を載置し、前記蓋体の中央に設けたワイヤガイドより前
記アクチュエーク部材のプリントワイヤを垂直に突出さ
せ、蓋体、アクチュエー夕部材および駆動部材を一体に
固定し、永久磁石の磁束を前記輻状片部に分路するよう
構成したことを特徴とし、その目的は複数の部品をユニ
ット化し、小形化すると共に組立て工数の削減、コスト
ダウンするにある。In order to eliminate the drawbacks of the conventional art, the present invention provides a ring-shaped structure in which a radial cutout is provided in an elastic disc body to define the annular peripheral edge and the radial piece, and a circular cutout is provided in the center. A leaf spring is provided, an armature is fixed to the tip of the radial piece, and an L is provided on the top surface.
A printed wire bent into a letter shape is provided, and the printed wire is arranged in a straight line at the bent part to form a unit body, and on the other hand, a cylindrical shape is placed on a first plate of a disc-shaped magnetic material at the center thereof. a plurality of cores to which permanent magnets are fixed and excitation coils are attached on the circumference around the axis of the permanent magnet; and a cylindrical case surrounding the plurality of coils to which the permanent magnets and excitation coils are attached. and a second plate made of a disc-shaped magnetic material is placed on the permanent magnet, and a through hole is bored in the magnetic material into which the armature of the actuator member can be inserted, thereby forming a driving member as a unit. The actuator member is placed on the drive member, the armature is inserted into the through hole, a lid is placed on the actuator member, and a wire is provided at the center of the lid. The printed wire of the actuator member is vertically projected from the guide, the lid body, the actuator member, and the drive member are fixed together, and the magnetic flux of the permanent magnet is shunted to the radial piece portion. The purpose is to unitize multiple parts to reduce the size, reduce assembly man-hours, and reduce costs.
本発明を図面に基いて説明する。The present invention will be explained based on the drawings.
第1図は本発明のドットプリンタ用印字ヘッドの断面図
、第2図は平面図、第3図はばね部材、第4図は第2プ
レートの斜視図、第5図は作動本体斜視図、を示す。FIG. 1 is a sectional view of the print head for a dot printer of the present invention, FIG. 2 is a plan view, FIG. 3 is a spring member, FIG. 4 is a perspective view of the second plate, and FIG. 5 is a perspective view of the operating body. shows.
図において、1は共通磁路を形戒する第1プレート、2
は非磁性体の円筒体のケース、3は蓋体を兼ねるガイド
フレーム、4は磁性体の第2プレート、5はスペーサ、
6は永久磁石、7はコア、8は励磁コイル、9は板はね
、10はアーマチュア、11はプリントワイヤ、11a
は曲率部、12はワイヤガイドを示す。In the figure, 1 is the first plate forming a common magnetic path, 2
is a cylindrical case made of non-magnetic material, 3 is a guide frame that also serves as a lid, 4 is a second plate made of magnetic material, 5 is a spacer,
6 is a permanent magnet, 7 is a core, 8 is an exciting coil, 9 is a plate spring, 10 is an armature, 11 is a printed wire, 11a
indicates a curved portion, and 12 indicates a wire guide.
次に本発明のドットプリンタ用印字ヘッド(以下ヘッド
Hという。Next, there is a print head for a dot printer (hereinafter referred to as head H) of the present invention.
)の構造と動作を説明する。第1プレート1は円板形磁
性体で、底板の役と共通磁路を形成し、ケース2は第1
プレート1に固定される。) structure and operation. The first plate 1 is a disc-shaped magnetic material and forms a common magnetic path with the bottom plate, and the case 2 is a disc-shaped magnetic material.
It is fixed to the plate 1.
永久磁石6は円柱形で、ケース2の中の第1プレート1
の中央に固定される。The permanent magnet 6 has a cylindrical shape and is attached to the first plate 1 inside the case 2.
is fixed at the center of the
励磁コイル8を装着したコア7を永久磁石6の軸心を中
心とする円周上にN個、第1プレート1上のケース2内
に固定する。N cores 7 equipped with excitation coils 8 are fixed in a case 2 on a first plate 1 on a circumference centered on the axis of a permanent magnet 6.
コア7を第1プレート1に固定するには第1プレート1
に孔1−1を設けコア7の下端7−1を挿入して固定す
る。To fix the core 7 to the first plate 1, first plate 1
A hole 1-1 is provided in and the lower end 7-1 of the core 7 is inserted and fixed.
永久磁石6の上面に磁性体の円板形の第2プレート4を
搭載し固定する。A disk-shaped second plate 4 made of magnetic material is mounted and fixed on the upper surface of the permanent magnet 6.
第2プレート4にはコア7に対向する位置にそれぞれ貫
通する角孔4aが穿設されている。The second plate 4 is provided with square holes 4 a that pass through the second plate 4 at positions facing the core 7 .
板ばね9は薄い弾性を有する円板体をなす。円板状の板
はね9に放射状の欠除部を設けて輪形周縁部9aと輻状
片部9bを構或すると共に中央に円形の欠除部を設けた
輪形状の板ばね9を設け、輻状片部9bの先端9b−1
裏面に輻状片部9bの先端9b−1より中心方向に若干
突出するアーマチュア10を固定し、アーマチュア10
の上面にプリントワイヤ11を固定し、途中L字形に折
曲し、折曲部11aにおいて一直線上に配列し先端を上
方に向ける。The leaf spring 9 forms a thin elastic disc body. A circular plate spring 9 is provided in which a circular cutout is provided in the disc-shaped plate spring 9 to form a ring-shaped peripheral edge part 9a and a radial piece part 9b, and a circular cutout is provided in the center. , the tip 9b-1 of the radial piece 9b
An armature 10 that slightly protrudes toward the center from the tip 9b-1 of the radial piece portion 9b is fixed to the back surface.
Print wires 11 are fixed to the upper surface of the wire, bent into an L-shape in the middle, and arranged in a straight line at the bent portion 11a, with the tips facing upward.
第1プレート1、ケース2、永久磁石6、コア7、励磁
コイル8および第2プレート4で駆動部材Dを、板ばね
9、アーマチュア10およびワイヤスプリング11でユ
ニット体となるアクチュエータ部材Aをそれぞれ構成す
る。The first plate 1, case 2, permanent magnet 6, core 7, excitation coil 8, and second plate 4 constitute the driving member D, and the leaf spring 9, armature 10, and wire spring 11 constitute the actuator member A, which serves as a unit. do.
ケース2の上面にリング状スペーサ5を載置し、第2プ
レート4を第1プレート1の中央に設けた永久磁石6上
に載置し、第2プレート4の角形孔4aにアーマチュア
10を挿入し、また板はね9の輪形周縁部9aをスペー
サ5に、更に輪形周縁部9a上にガイドフレーム3を載
置し、ガイドフレーム3の中央に設けたワイヤガイド1
2よりプリントワイヤ11を垂直に上方に突出する。A ring-shaped spacer 5 is placed on the top surface of the case 2, a second plate 4 is placed on the permanent magnet 6 provided at the center of the first plate 1, and an armature 10 is inserted into the square hole 4a of the second plate 4. In addition, the ring-shaped peripheral edge 9a of the plate spring 9 is placed on the spacer 5, the guide frame 3 is placed on the ring-shaped peripheral edge 9a, and the wire guide 1 is provided at the center of the guide frame 3.
2, the print wire 11 is vertically projected upward.
励磁コイル8を励磁しないときは永久磁石6の磁束は第
1プレート1、コア7、アーマチュア10および第2プ
レート4を通るループ磁路を構戒するのでアーマチュア
10がコア7に吸引され、板ばね9の輻状片部9bはす
べてコア7へ偏倚される。When the excitation coil 8 is not excited, the magnetic flux of the permanent magnet 6 creates a loop magnetic path passing through the first plate 1, core 7, armature 10, and second plate 4, so the armature 10 is attracted to the core 7, and the leaf spring All of the 9 radial pieces 9b are biased toward the core 7.
次に必要な励磁コイル8を励磁すると、該励磁コイル8
に発生する磁界に基づく磁束は永久磁石6の磁束の方向
を偏倚し、永久磁石6の磁束がアーマチュア10の吸着
部から排除され、前記励磁された励磁コイル8に対応す
るコア7から前記アーマチュア10は装着偏倚された板
ばね9の輻状片部9bの復元力により解放され、アーマ
チア10に固定されたプリントワイヤ11を駆動し、プ
リン1ヘワイヤ11の先端でドット印字を行う。Next, when the necessary excitation coil 8 is excited, the excitation coil 8
The magnetic flux based on the magnetic field generated shifts the direction of the magnetic flux of the permanent magnet 6, and the magnetic flux of the permanent magnet 6 is removed from the attraction part of the armature 10, and the magnetic flux of the permanent magnet 6 is removed from the core 7 corresponding to the excited excitation coil 8 to the armature 10. is released by the restoring force of the radial piece 9b of the biased plate spring 9, drives the print wire 11 fixed to the armature 10, and prints dots at the tip of the wire 11 to the print 1.
励磁コイル8の励磁を断つとコア7はアーマチュア10
を吸引し、輻状片部9bを偏倚した状態に永久磁石6は
アーマチュアを保持することになる。When the excitation of the excitation coil 8 is cut off, the core 7 becomes the armature 10.
, and the permanent magnet 6 holds the armature in a state where the radial piece portion 9b is biased.
本発明は以上説明したように、輪状の板はね、アーマチ
ュアおよびプリントワイヤからなるアクチュエータ部材
と駆動部材をユニット化できるので大幅に組立て工数を
削減でき、組立て構造も簡単となり、小形が容易構成で
きる。As explained above, the present invention can unitize the actuator member and the drive member, which consist of a ring-shaped plate, an armature, and a printed wire, so that the number of assembly steps can be greatly reduced, the assembly structure is simple, and a small size can be easily constructed. .
コストダウンできるなどの作用効果を生ずる。This produces effects such as cost reduction.
【図面の簡単な説明】
第1図は本発明のドツ1〜プリンタ用印字ヘッドの断面
図、第2図は同じく平面図、第3図は本発明のアクチュ
エーク部材の一部欠除する斜視図、第4図は本発明の第
2プレートの斜視図、第5図は第2プレートを除去した
本発明の駆動部材を一部欠除して示す斜視図、を示す。
D:駆動部材、A:アクチュエータ部材、1:第1プレ
ート、2:円筒体のケース、3:ガイドフレーム、4:
第2プレート、5:スペーサ、6:永久磁石、7:コア
、8:励磁コイル、9:板ばね、9a:輻状片部、10
:プリントワイヤ、11:ワイヤガイド。[BRIEF DESCRIPTION OF THE DRAWINGS] Fig. 1 is a cross-sectional view of the printer print head of the present invention, Fig. 2 is a plan view thereof, and Fig. 3 is a partially cutaway perspective view of the actuator member of the present invention. , FIG. 4 is a perspective view of the second plate of the present invention, and FIG. 5 is a partially cutaway perspective view of the drive member of the present invention with the second plate removed. D: Drive member, A: Actuator member, 1: First plate, 2: Cylindrical case, 3: Guide frame, 4:
2nd plate, 5: spacer, 6: permanent magnet, 7: core, 8: excitation coil, 9: plate spring, 9a: radial piece, 10
: Printed wire, 11: Wire guide.
Claims (1)
と輻状片部を構成すると共に中心に円形欠除部を設けた
輪形状の板ばねを設け、前記輻状片部の先端にアーマチ
ュアを固定し上面にL字形に折曲したプリントワイヤを
設け前記プリントワイヤを折曲部において一直線上に配
列してユニット体となるアクチュエーク部材と、一方、
円板形磁性体の第1プレート上に、その中央に円柱形の
永久磁石を固定すると共に前記永久磁石の軸心を中心と
する円周上に励磁コイルを装着したコア複数個と、前記
永久磁石と励磁コイルを装着したコイル複数個の外周に
円筒体のケースとを固定し、円板形磁性体の第2プレー
トを前記永久磁石上に載置すると共に前記磁性体には前
記アクチュエータ部材のアーマチュアを挿入できる貫通
孔を穿設してユニット体となる駆動部材とを構成し、前
記駆動部材上に前記アクチュエーク部材を載置すると共
に前記貫通孔に前記アーマチュアを挿入し、前記アクチ
ュエーク部材上に蓋体を載置し、前記蓋体の中央に設け
たワイヤガイドより前記アクチュエー夕部材のプリント
ワイヤを垂直に突出させ、蓋体、アクチュエータ部材お
よび駆動部材を一体に固定し、永久磁石の磁束を前記輻
状片部に分路するよう構成したことを特徴とするドット
プリンタ用印字ヘッド。1. An elastic disk body is provided with a radial cutout to constitute a ring-shaped peripheral edge and a radial piece, and a ring-shaped leaf spring with a circular cutout in the center is provided, and the radial cutout of the radial piece is an actuate member having an armature fixed to its tip and a printed wire bent into an L-shape on the upper surface, and arranging the printed wires in a straight line at the bent part to form a unit;
A plurality of cores each having a cylindrical permanent magnet fixed to the center thereof and an excitation coil mounted on a circumference centered on the axis of the permanent magnet on a first plate made of a disk-shaped magnetic material; A cylindrical case is fixed to the outer periphery of a plurality of coils equipped with magnets and excitation coils, and a second plate of a disc-shaped magnetic material is placed on the permanent magnet, and the actuator member is attached to the magnetic material. A driving member is formed as a unit by drilling a through hole into which an armature can be inserted, and the actuating member is placed on the driving member, the armature is inserted into the through hole, and the actuating member is placed on the actuating member. A lid is placed, and the printed wire of the actuator member is vertically protruded from a wire guide provided in the center of the lid, the lid, the actuator member, and the drive member are fixed together, and the magnetic flux of the permanent magnet is A print head for a dot printer, characterized in that the print head is configured to shunt to the radial piece portion.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP54103434A JPS5849192B2 (en) | 1979-08-14 | 1979-08-14 | Print head for dot printer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP54103434A JPS5849192B2 (en) | 1979-08-14 | 1979-08-14 | Print head for dot printer |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5627365A JPS5627365A (en) | 1981-03-17 |
JPS5849192B2 true JPS5849192B2 (en) | 1983-11-02 |
Family
ID=14353924
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP54103434A Expired JPS5849192B2 (en) | 1979-08-14 | 1979-08-14 | Print head for dot printer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5849192B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62198483U (en) * | 1987-05-07 | 1987-12-17 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2129740B (en) * | 1982-11-12 | 1985-09-04 | Epson Corp | Wire drive unit for use in a wire dot print head |
DE3243477A1 (en) * | 1982-11-22 | 1984-05-24 | Mannesmann AG, 4000 Düsseldorf | NEEDLE PRINT HEAD FOR MATRIX PRINTER |
JPH0626898B2 (en) * | 1984-08-16 | 1994-04-13 | 松下電器産業株式会社 | Printing head for dot printer |
US4575268A (en) * | 1984-10-25 | 1986-03-11 | Industrial Technology Research Institute | Dot matrix printer head |
US4591280A (en) * | 1985-01-22 | 1986-05-27 | Mannesmann Tally Corporation | Permanent magnet, stored energy, print head |
JPS6260660A (en) * | 1985-09-10 | 1987-03-17 | Citizen Watch Co Ltd | Dot printer printing head |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5551569A (en) * | 1978-10-10 | 1980-04-15 | Tally Corp | Divided ring magnet printing head |
-
1979
- 1979-08-14 JP JP54103434A patent/JPS5849192B2/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5551569A (en) * | 1978-10-10 | 1980-04-15 | Tally Corp | Divided ring magnet printing head |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62198483U (en) * | 1987-05-07 | 1987-12-17 |
Also Published As
Publication number | Publication date |
---|---|
JPS5627365A (en) | 1981-03-17 |
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