JPH04169243A - Printing head for wire dot printer - Google Patents
Printing head for wire dot printerInfo
- Publication number
- JPH04169243A JPH04169243A JP29779590A JP29779590A JPH04169243A JP H04169243 A JPH04169243 A JP H04169243A JP 29779590 A JP29779590 A JP 29779590A JP 29779590 A JP29779590 A JP 29779590A JP H04169243 A JPH04169243 A JP H04169243A
- Authority
- JP
- Japan
- Prior art keywords
- thin plate
- armature
- drive lever
- brazing
- hinge
- 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
- 238000005219 brazing Methods 0.000 claims abstract description 10
- 238000003780 insertion Methods 0.000 abstract description 7
- 230000037431 insertion Effects 0.000 abstract description 7
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052709 silver Inorganic materials 0.000 abstract description 5
- 239000004332 silver Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 230000014759 maintenance of location Effects 0.000 abstract description 2
- 239000000956 alloy Substances 0.000 abstract 3
- 229910045601 alloy Inorganic materials 0.000 abstract 3
- 238000003860 storage Methods 0.000 abstract 3
- 229910052751 metal Inorganic materials 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- 238000010276 construction Methods 0.000 abstract 1
- 229910000679 solder Inorganic materials 0.000 description 12
- 238000010586 diagram Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Impact Printers (AREA)
Abstract
Description
【発明の詳細な説明】
〔概要〕
本発明はワイヤドツトプリンタ装置の印字ヘッドに関し
、
組立て作業の容易化を図り、且つ組立て作業の正確化を
目的とし、
打撃ピンを保持するアーマチュアを２枚の薄板ヒンジを
介して駆動レバーとを連結し、該打撃ピンを駆動せしめ
るワイヤドツトプリンタ用印字ヘッドにおいて、
２枚の薄板ヒンジを一体構造とし、駆動レバーとアーマ
チュアにロー付け用のロー溜りを設ける構成とした。[Detailed Description of the Invention] [Summary] The present invention relates to a print head for a wire dot printer device, and aims to facilitate the assembly work and to improve the accuracy of the assembly work. In a print head for a wire dot printer that is connected to a drive lever via a hinge and drives the striking pin, two thin plate hinges are integrated into one body, and a solder reservoir for brazing is provided in the drive lever and armature. .
本発明はワイヤドツトプリンタ装置の印字ヘッドに係り
、特に該装置の心臓部である印字ヘッドの薄板ヒンジの
改良に関する。The present invention relates to a print head for a wire dot printer, and more particularly to an improvement in the thin plate hinge of the print head, which is the heart of the apparatus.
近年ではピエゾ効果を利用した圧電式ドツトインパクト
プリンタが開発されている。In recent years, piezoelectric dot impact printers that utilize the piezo effect have been developed.
このプリンタ装置の印字ヘッドの精度は印字品質に影響
を与える。このため組立て作業の容易化と組立て精度の
向上が望まれている。The accuracy of the print head of this printer device affects print quality. Therefore, it is desired to simplify assembly work and improve assembly accuracy.
［従来の技術］
従来の技術のワイヤドツトプリンタ用印字ヘッドの概略
構成図を第３図に示し、従来の連結部分詳細図を第４図
に示して説明する。[Prior Art] A schematic configuration diagram of a conventional print head for a wire dot printer is shown in FIG. 3, and a detailed diagram of a conventional connection part is shown in FIG. 4 for explanation.
１と２は薄板ヒンジ、５と６と７と８は嵌入部、１２は
アーマチュア、１３と１４は駆動レバーである。1 and 2 are thin plate hinges, 5, 6, 7, and 8 are fitting parts, 12 is an armature, and 13 and 14 are drive levers.
アーマチュア１２に薄板ヒンジ１と薄板ヒンジ２の嵌入
部７．８を上下に２ケ所設ける。駆動レバー１３に薄板
ヒンジ１用の嵌入部５を設け、嵌入部８と嵌入部５に薄
板ヒンジ１を嵌入する。駆動レバー１４に嵌入部６を設
け、アーマチュア１２の嵌入部７と駆動レバー１３の嵌
入部６に薄板ヒンジ２を嵌入する。そしてレーザ溶接機
にて嵌入部５と嵌入部８０周りを溶接して薄板ヒンジ１
、アーマチュア１２と駆動レバー１３を仮止めする。The armature 12 is provided with two fitting parts 7.8, upper and lower, for the thin plate hinge 1 and the thin plate hinge 2. A drive lever 13 is provided with a fitting part 5 for the thin plate hinge 1, and the thin plate hinge 1 is fitted into the fitting part 8 and the fitting part 5. The drive lever 14 is provided with a fitting part 6, and the thin plate hinge 2 is fitted into the fitting part 7 of the armature 12 and the fitting part 6 of the drive lever 13. Then, the insert portion 5 and the insert portion 80 are welded using a laser welding machine to form the thin plate hinge 1.
, temporarily fasten the armature 12 and drive lever 13.
またもう一方の嵌入部６と嵌入部７の周りを溶接して薄
板ヒンジ２３右ｉニア１２と駆動レバー１４を仮止めす
る。そして各嵌入部５．６．７．８と薄板ヒンジ１．２
との間隙に銀ローを塗布し、熱バーナーにて溶解させ間
隙に浸透させて銀ロー付けする。In addition, the other fitting portion 6 and fitting portion 7 are welded around each other to temporarily fix the thin plate hinge 23 right side 12 and the drive lever 14. and each inset part 5.6.7.8 and thin plate hinge 1.2
Silver solder is applied to the gap between the two and melted with a heat burner, allowing it to penetrate into the gap and then soldered with silver.
上記した印字ヘッドの構造では銀ロー付け加工の時に銀
ローが薄板ヒンジの表面に流出して銀ローが盛上がる。In the structure of the print head described above, during the silver brazing process, the silver solder flows out onto the surface of the thin plate hinge, causing the silver solder to bulge.
この為に薄板ヒンジのバネ特性が設計値と異なる。また
仮止めによる組立工数分が多くなる。上記問題に鑑みて
本発明は印字ヘッドをロー付け加工しても薄板ヒンジの
バネ特性が変化せず、組立工数を削減できるワイヤドツ
トプリンタ用印字ヘッドの提供を目的とするものである
。For this reason, the spring characteristics of the thin plate hinge differ from the design values. In addition, the number of assembly steps due to temporary fixing increases. In view of the above problems, an object of the present invention is to provide a print head for a wire dot printer in which the spring characteristics of the thin plate hinge do not change even when the print head is brazed, and the number of assembly steps can be reduced.
上述の目的を達成するため、本発明は、打撃ビンを保持
するアーマチュアを２枚の薄板ヒンジを介して駆動レバ
ーとを連結し、該打撃ビンを駆動せしめるワイヤドツト
プリンタ用印字へ・ンドにおいて、２枚の薄板ヒンジを
一体構造とし、駆動レバーとアーマチュアにロー付け用
のロー溜りを設ける構成とする。In order to achieve the above object, the present invention provides a printing head for a wire dot printer in which an armature holding a striking bottle is connected to a drive lever via two thin plate hinges, and the striking bin is driven. The two thin plate hinges are integrally constructed, and the drive lever and armature are provided with brazing reservoirs for brazing.
本発明によるワイヤドツトプリンタ用印字ヘッドでは２
枚の薄板ヒンジを一体化するので仮止め作業が無くなり
組立作業が容易なる。また嵌入部にロー溜り部を設ける
ので銀ローが薄板ヒンジの表面に流出しない。In the print head for a wire dot printer according to the present invention, two
Since two thin plate hinges are integrated, temporary fixing work is eliminated and assembly work is facilitated. Further, since a solder retention portion is provided in the fitting portion, silver solder does not flow out onto the surface of the thin plate hinge.
以下、本発明のワイヤドツトプリンタ用印字ヘッドを第
１図の本発明に係る連結部分詳細図、第２図の本発明の
Ｕ字状薄板ヒンジの構造図を参照して説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS The print head for a wire dot printer according to the present invention will be described below with reference to FIG. 1, which is a detailed view of a connecting portion according to the present invention, and FIG. 2, which is a structural diagram of a U-shaped thin plate hinge according to the present invention.
３はＵ字状薄板ヒンジ、５と６と９は嵌入部、１２はア
ーマチュア、１３と１４は駆動レバー、１７と１８と１
９は曲折部、２０はロー溜りである゛、従来例にて使用
した図面の内、同じ意味を持つ構成部材には同じ番号を
使用している。3 is a U-shaped thin plate hinge, 5, 6 and 9 are inset parts, 12 is an armature, 13 and 14 are drive levers, 17, 18 and 1
Reference numeral 9 indicates a bent portion, and 20 indicates a low-flow reservoir. In the drawings used in the conventional example, the same numbers are used for components having the same meaning.
第２図に示すようにＵ字状薄板ヒンジ３は曲折部１７．
１８．１９が２重に曲げられた薄板状バネ材である。As shown in FIG. 2, the U-shaped thin plate hinge 3 has a bent portion 17.
18 and 19 are double bent thin plate spring members.
第１図の本発明に係る連結部分詳細図を参照して説明す
る。This will be explained with reference to the detailed view of the connection part according to the present invention shown in FIG.
Ｕ字状薄板ヒンジ３を駆動レバー１３の嵌入部５にＵ字
状薄板ヒンジ３の曲折部１７を嵌太し、駆動レバー１４
の嵌入部６に曲折部１８を嵌入する。アーマチュア１２
の嵌入部９にＵ字状薄板ヒンジ３の曲折部１９をそれぞ
れ嵌入する。各嵌入部５．６．９の底部は矩形状をして
おり、一方これに嵌入されるＵ字状薄板ヒンジ３の各端
部は２重に折り曲げられ外表面が湾曲形状となっている
ので該Ｕ字状薄板ヒンジ３の曲折部１７．１８．１９を
嵌入した状態では嵌入部の底面との間に自動的にロー溜
り２０となる隙間が形成されることになる。３か所のロ
ー溜り２０に所定量分の練り状の銀ローを上面から注入
し熱バーナーにて銀ローと周囲を熱し溶解させる。そし
てＵ字状薄板ヒンジ３をアーマチュア１２、駆動レバー
１３と駆動レバー１４を銀ロー付けし固着する。The bent portion 17 of the U-shaped thin plate hinge 3 is fitted into the insertion portion 5 of the drive lever 13, and the drive lever 14
The bent portion 18 is fitted into the fitting portion 6 of the. Armature 12
The bent portions 19 of the U-shaped thin plate hinge 3 are respectively inserted into the fitting portions 9 of the U-shaped thin plate hinges 3. The bottom of each fitting part 5.6.9 has a rectangular shape, while each end of the U-shaped thin plate hinge 3 fitted into this is bent double and has a curved outer surface. When the bent portions 17, 18, and 19 of the U-shaped thin plate hinge 3 are fitted, a gap that becomes a solder pool 20 is automatically formed between the bent portions 17, 18, and 19 of the U-shaped thin plate hinge 3 and the bottom surface of the fitted portion. A predetermined amount of paste-like silver solder is injected from the top into three solder pools 20, and the silver solder and its surroundings are heated and melted with a heat burner. Then, the U-shaped thin plate hinge 3 is fixed to the armature 12, drive lever 13, and drive lever 14 by silver soldering.
（発明の効果〕
以上説明したように本発明によるワイヤドツトプリンタ
用印字ヘッドでは嵌入部にロー溜り部を設けるので銀ロ
ーが薄板ヒンジの表面に流出せず、このために薄板ヒン
ジのバネ特性が変化しない。(Effects of the Invention) As explained above, in the print head for wire dot printers according to the present invention, since the solder pool is provided in the insertion part, the silver solder does not flow out onto the surface of the thin plate hinge, and as a result, the spring characteristics of the thin plate hinge change. do not.
このためプリンタ用印字ヘッドの組立精度が向上される
。また従来の２枚の薄板ヒンジを一体化構造にしたこと
により仮止め作業がなくなり組立て作業が容易になる。Therefore, the assembly accuracy of the print head for the printer is improved. Furthermore, since the two conventional thin plate hinges are integrated into an integrated structure, there is no need for temporary fixing work, and assembly work becomes easier.
以上から高品質の印字を保つことができる。From the above, high quality printing can be maintained.
第１図は本発明に係る連結部分詳細図、第２図は本発明
のＵ字状薄板ヒンジの構造図、第３図は従来のワイヤド
ツトプリンタ用印字ヘッドの概略構成図、第４図は従来
の連結部分詳細図である。
図において、
ｌと２は薄板ヒンジ、
３はＵ字状薄板ヒンジ、
４は打撃ビン、
５と６と７と８と９は嵌入部、
１２はアーマチュア、
１３と１４は駆動レバー、
１６は連結部、
１７と１８と１９は曲折部、
２０はロー溜りを示す。
ｊ１発ＧＨｔ＝４’ｌ＝に：ＵＨＰ＋ｔ９Ｆｌ）ｍ第１
図
ント嬉５９呵４Ｕす′堵（゛ｆ噺猛ヒンジ論ａｉり７第
２図
Ｕ／ｌワイｖ１ζヮ１７・ソンタ序εＬ掌へ・アレｈ項
田各Ｊ箕ｆス閃第３図
従木／ｌ連Ｒ−１？全言￥畑図FIG. 1 is a detailed view of the connection part according to the present invention, FIG. 2 is a structural diagram of the U-shaped thin plate hinge of the present invention, FIG. 3 is a schematic configuration diagram of a conventional print head for a wire dot printer, and FIG. 4 is a conventional diagram. FIG. In the figure, l and 2 are thin plate hinges, 3 is a U-shaped thin plate hinge, 4 is a striking bottle, 5, 6, 7, 8, and 9 are fitting parts, 12 is an armature, 13 and 14 are drive levers, 16 is a connection 17, 18, and 19 are bent portions, and 20 is a low-temperature reservoir. j1 GHt=4'l=: UHP+t9Fl) m 1st
Figure 2 U/l Y v1 Tree/l Ren R-1?All words￥Field map
Claims (1)
の薄板ヒンジ（１、２）を介して駆動レバー（１３、１
４）とを連結し、該打撃ピン（４）を駆動せしめるワイ
ヤドットプリンタ用印字ヘッドにおいて、２枚の薄板ヒ
ンジ（１、２）を一体構造とし、駆動レバー（１３、１
４）とアーマチュア（１２）にロー付け用のロー溜り（
２０）を設ける構成としたことを特徴とするワイヤドッ
トプリンタ用印字ヘッド。The armature (12) holding the striking pin (4) is connected to the drive lever (13, 1) via two thin plate hinges (1, 2).
4) and drives the striking pin (4), the two thin plate hinges (1, 2) are integrally constructed, and the drive lever (13, 1
4) and armature (12) for brazing (
20) A print head for a wire dot printer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29779590A JPH04169243A (en) | 1990-11-01 | 1990-11-01 | Printing head for wire dot printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29779590A JPH04169243A (en) | 1990-11-01 | 1990-11-01 | Printing head for wire dot printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04169243A true JPH04169243A (en) | 1992-06-17 |
Family
ID=17851269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29779590A Pending JPH04169243A (en) | 1990-11-01 | 1990-11-01 | Printing head for wire dot printer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04169243A (en) |
-
1990
- 1990-11-01 JP JP29779590A patent/JPH04169243A/en active Pending
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