JPS6249192B2 - - Google Patents
Info
- Publication number
- JPS6249192B2 JPS6249192B2 JP54065855A JP6585579A JPS6249192B2 JP S6249192 B2 JPS6249192 B2 JP S6249192B2 JP 54065855 A JP54065855 A JP 54065855A JP 6585579 A JP6585579 A JP 6585579A JP S6249192 B2 JPS6249192 B2 JP S6249192B2
- Authority
- JP
- Japan
- Prior art keywords
- printing
- leaf spring
- pin
- printing pin
- mounting
- 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
- 238000000034 method Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000010894 electron beam technology Methods 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 2
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910000889 permalloy Inorganic materials 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
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
- B41J9/00—Hammer-impression mechanisms
- B41J9/02—Hammers; Arrangements thereof
- B41J9/133—Construction of hammer body or tip
Landscapes
- Impact Printers (AREA)
- Welding Or Cutting Using Electron Beams (AREA)
- Laser Beam Processing (AREA)
Description
【発明の詳細な説明】
本発明は情報処理装置における印字機器として
使用されるドツトプリンタ用印字ハンマの製造方
法に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method of manufacturing a printing hammer for a dot printer used as a printing device in an information processing apparatus.
一般にドツトプリンタ用印字ハンマは第１図に
示すように一端を固定部１に固着した板ばね２の
自由端側に印字ピン３を取り付けマグネツトコア
４による吸着、解放により板ばね２を矢印ｆの方
向に振れさせ印字ピン３の先端でインクリボンを
介して紙面（図示せず）を叩き印字している。 In general, a printing hammer for a dot printer has a printing pin 3 attached to the free end side of a leaf spring 2 whose one end is fixed to a fixed part 1, as shown in FIG. Printing is performed by hitting the paper surface (not shown) with the tip of the swinging printing pin 3 via an ink ribbon.
従来、この種のドツトプリンタ用印字ハンマは
第２図に示すように印字ピン３のフランジ６が板
ばね２に接するまで取付部５を板ばね２に設けた
取付穴ａに圧入し取付部５の後端をかしめること
により印字ピン３を板ばね２に固着していた。 Conventionally, this type of printing hammer for dot printers presses the mounting portion 5 into the mounting hole a provided in the leaf spring 2 until the flange 6 of the printing pin 3 comes into contact with the leaf spring 2, as shown in FIG. The printing pin 3 was fixed to the leaf spring 2 by caulking the rear end.
しかし、印字ピン２が非常に小さな部品である
ため、かしめ作業が非常に困難であり、かしめ作
業時にフランジ６が板ばね２から浮き上つてしま
い、板ばね２の表面から印字ピン２の先端の印字
部ｂまでの取付け高さｈにばらつきを生じること
があり、また板ばね２を変形させてしまう結果、
紙面に印字するときの印字圧力にばらつきが生じ
印字の濃淡にばらつきが生じるのを避けられない
という欠点があつた。 However, since the printing pin 2 is a very small part, caulking is very difficult, and the flange 6 lifts off the leaf spring 2 during the caulking process, causing the tip of the printing pin 2 to rise from the surface of the leaf spring 2. This may cause variations in the mounting height h to the printing part b, and may also cause the leaf spring 2 to be deformed.
There is a drawback that the printing pressure when printing on the paper surface varies, which inevitably causes variations in the shading of the print.
また多数の印字を行うため、多数回繰り返して
印字ピン３に加えられる衝撃力に対して、かしめ
では充分な機械的強度が得られず、板ばね２から
印字ピン３が脱落することがあるという欠点があ
つた。 In addition, since a large number of characters are printed, caulking does not provide sufficient mechanical strength against the impact force that is repeatedly applied to the printing pin 3 many times, and the printing pin 3 may fall off from the leaf spring 2. There were flaws.
本発明の目的は 板ばねに印字ピンを固着させ
て製作するのが容易で、しかも機械的強度が充分
大きく、また紙面に印字するときの印字圧力が一
定となつて印字の濃度が一定になるドツトプリン
タ用印字ハンマの製造方法を提供することにあ
る。 The purpose of the present invention is to make it easy to manufacture by fixing a printing pin to a leaf spring, to have sufficient mechanical strength, and to maintain a constant printing pressure when printing on a paper surface, so that the density of the printing is constant. An object of the present invention is to provide a method for manufacturing a printing hammer for a dot printer.
本発明の特徴は、取付穴を有する板ばねと、円
柱形状でかつその周囲に溝を設けた取付部を有す
る印字ピンとを接続するに際して、前記円柱形状
の取付部を前記取付穴に挿入し、しかる後にレー
ザビーム光または電子ビームをスポツト状に複数
個所照射し、板ばねの前記照射個所を溶かしこの
溶けた板ばね部分を前記溝に流れ込ませ、これに
より前記板ばねと前記印字ピンとを固着させるド
ツトプリンタ用印字ハンマの製造方法にある。 A feature of the present invention is that when connecting a leaf spring having a mounting hole and a printing pin having a cylindrical shape and a mounting part with a groove around the periphery, inserting the cylindrical mounting part into the mounting hole, After that, a plurality of spots of laser beam light or electron beam are irradiated to melt the irradiated parts of the leaf spring and cause the melted parts of the leaf spring to flow into the groove, thereby fixing the leaf spring and the printing pin. A method of manufacturing a printing hammer for a dot printer.
次に本発明の実施例について図面を参照して説
明する。 Next, embodiments of the present invention will be described with reference to the drawings.
第３図ａは本発明の一実施例を示す部分底面図
第３図ｂ，ｃは第３図ａに示すAA′断面を工程順
に示す部分断面図である。第３図ｂに示すように
板ばね２（材料はパーマロイ）の取付穴ａにTD
プロセス処理により硬化された印字ピン３′（材
料は合金工具鋼）の取付部５′を嵌入させ、フラ
ンジ部６を板ばね２に当接させ第３図ａに示す場
所Ｃにレーザビーム光または電子ビームを照射
し、取付部５′に設けた溶け込み溝７に板ばね２
を溶かし込み、印字ピン３′を板ばね２に固着す
る。 FIG. 3a is a partial bottom view showing one embodiment of the present invention. FIGS. 3b and 3c are partial sectional views showing the AA' section shown in FIG. 3a in the order of steps. As shown in Figure 3b, insert the TD into the mounting hole a of the leaf spring 2 (permalloy material).
The mounting part 5' of the printing pin 3' (material is alloy tool steel) hardened by process treatment is inserted, the flange part 6 is brought into contact with the leaf spring 2, and the laser beam beam or The plate spring 2 is irradiated with an electron beam and inserted into the weld groove 7 provided in the mounting portion 5'.
to fix the printing pin 3' to the leaf spring 2.
この場合は、フランジ６が板ばね２から浮き上
らず取り付け高さｈを正確に保つことができ、ま
た板ばね２を変形させることもないので、紙面に
印字するときの印字圧力が一定となり、印字の濃
度を一定することができる。 In this case, the flange 6 does not lift up from the leaf spring 2 and the installation height h can be maintained accurately, and the leaf spring 2 is not deformed, so the printing pressure when printing on the paper is constant. , the density of printing can be kept constant.
また板ばね２と印字ピン３′の結合強度が大き
く印字ピン３′が板ばね２から脱落することもな
い。 Further, the bonding strength between the leaf spring 2 and the printing pin 3' is large, so that the printing pin 3' does not fall off from the leaf spring 2.
一般に印字ピン３を硬化させる目的で印字ピン
３は、板ばね２に固着させる前にチタンまたはタ
ングステンを含む溶融塩中に浸し、印字ピン３が
含む炭素を表面に折出させ、表面にチタンカーバ
イトまたはタングステンカーバイトを含有させる
TDプロセス処理を行つている。 Generally, for the purpose of hardening the printing pin 3, the printing pin 3 is immersed in a molten salt containing titanium or tungsten before being fixed to the leaf spring 2, so that the carbon contained in the printing pin 3 is precipitated to the surface, and the surface is coated with titanium. Contains bit or tungsten carbide
Performing TD process processing.
このTDプロセス処理を施す印字ピン３の先端
部分は第２図に示すように凹んだ丸みを有する段
付アール部ｄとしてもよいが、第３図に示すよう
にテーパ部ｅにした方が機械的に強化する効果は
さらに増大する。 The tip of the printing pin 3 to which this TD process is applied may be a stepped rounded part d with a concave roundness as shown in Fig. 2, but it is better to make it a tapered part e as shown in Fig. 3. The effect of strengthening the system further increases.
すなわち、第２図に示す印字ピン３のように先
端部分を凹んだ丸みを有する形状である段付アー
ル部ｄにした場合では、印字ピン３の体積が小さ
く、従つて印字ピン３が含む炭素量が少くTDプ
ロセス処理で印字ピン３の表面に充分な量のチタ
ンカーバイトまたはタングステンカーバイトを含
有していないため硬度が得られず、また印字部ｂ
の近傍は細いため、多数回繰り返えされる印字圧
力に耐えられず、押しつぶされ変形して太くな
る。 That is, when the printing pin 3 shown in FIG. 2 has a stepped rounded part d having a concave rounded tip, the volume of the printing pin 3 is small, and therefore the carbon contained in the printing pin 3 is small. Because the amount is small and the surface of the printing pin 3 does not contain a sufficient amount of titanium carbide or tungsten carbide during the TD process, hardness cannot be obtained, and the printing part b
Because the area around the area is thin, it cannot withstand the printing pressure that is repeated many times, and is crushed and deformed, becoming thicker.
これに対し第３図ａ，ｂ，ｃに示す印字ピン
３′のように先端部分をテーパ部ｅとして体積を
増せば印字ピン３′が含む炭素量も増え、TDプロ
セス処理で大きな硬度を得ることができ、また印
字部ｂの近傍は太くなつているため印字圧力によ
り押しつぶされることが少なくなる。 On the other hand, if the volume is increased by making the tip part a tapered part e as in the printing pin 3' shown in Fig. 3 a, b, and c, the amount of carbon contained in the printing pin 3' will increase, and a large hardness will be obtained by the TD process. In addition, since the area near the printed portion b is thick, it is less likely to be crushed by printing pressure.
本発明は以上説明したように、印字ピンの取り
付け高さを正確にでき、板ばねを変形させないこ
とにより印字圧力、印字濃度を一定にできる効果
がある。 As explained above, the present invention has the effect that the mounting height of the printing pin can be made accurate and printing pressure and printing density can be kept constant by not deforming the leaf spring.
また印字ピンを機械的に強化する効果がある。 It also has the effect of mechanically strengthening the printing pin.
第１図はドツトプリンタ用ハンマの一般的な使
用例を示す斜視図、第２図は従来の一例の断面図
第３図ａは本発明の一実施例の部分底面図、第３
図ｂ，ｃは工程順に示す第３図ａのAA′断面図で
ある。
１……固定部、２……板ばね、３，３′……印
字ピン、４……マグネツトコア、５，５′……取
付部、６……フランジ、７……溶け込み溝、ａ…
…取付穴。
FIG. 1 is a perspective view showing a general usage example of a hammer for a dot printer, FIG. 2 is a sectional view of a conventional example, FIG. 3a is a partial bottom view of an embodiment of the present invention, and FIG.
Figures b and c are sectional views AA' of Figure 3a showing the process order. 1... Fixed part, 2... Leaf spring, 3, 3'... Printing pin, 4... Magnetic core, 5, 5'... Mounting part, 6... Flange, 7... Melt groove, a...
…Mounting holes.
Claims (1)
部を除く周囲に溝を設けた取付部を有する印字ピ
ンとを接続するに際して、該印字ピンのフランジ
が板ばねの表面に接するように該印字ピンの前記
円柱形状の取付部を前記取付穴に挿入し、しかる
後にレーザビーム光または電子ビームをスポツト
状に複数個所照射し、板ばねの前記照射個所を溶
かしこの溶けた板ばね部分を前記溝に流れ込ま
せ、これにより前記板ばねと前記印字ピンとを固
着させることを特徴とするドツトプリンタ用印字
ハンマの製造方法。1. When connecting a leaf spring with a mounting hole and a printing pin having a cylindrical shape and a mounting part with a groove around the circumference except for the ends, the printing pin should be placed so that the flange of the printing pin is in contact with the surface of the leaf spring. The cylindrical mounting portion of the pin is inserted into the mounting hole, and then a laser beam or an electron beam is irradiated in a plurality of spots to melt the irradiated portions of the leaf spring and place the melted portions of the leaf spring into the grooves. 1. A method for manufacturing a printing hammer for a dot printer, characterized in that the plate spring and the printing pin are fixed together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6585579A JPS55158986A (en) | 1979-05-28 | 1979-05-28 | Printing hammer for use in dot printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6585579A JPS55158986A (en) | 1979-05-28 | 1979-05-28 | Printing hammer for use in dot printer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55158986A JPS55158986A (en) | 1980-12-10 |
| JPS6249192B2 true JPS6249192B2 (en) | 1987-10-17 |
Family
ID=13299037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6585579A Granted JPS55158986A (en) | 1979-05-28 | 1979-05-28 | Printing hammer for use in dot printer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55158986A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04128490U (en) * | 1991-05-15 | 1992-11-24 | 株式会社ケンウツド | Speaker case structure |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6012447U (en) * | 1983-07-07 | 1985-01-28 | 株式会社パイロット | High speed dot printer printing hammer |
| JPS60114741U (en) * | 1984-01-05 | 1985-08-03 | 日本電気株式会社 | printing hammer spring |
| JPH0736751Y2 (en) * | 1990-03-20 | 1995-08-23 | 金井 宏之 | Marking wire with armature |
| CN103192180B (en) * | 2013-04-11 | 2016-01-20 | 重庆市灵龙电子有限公司 | Motor for cell phone stator module casing and bearing holder (housing, cover) laser welding process |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49105750A (en) * | 1973-02-12 | 1974-10-07 | ||
| JPS5282519A (en) * | 1975-12-23 | 1977-07-09 | Ncr Co | Matrix printing head actuator |
| JPS52118325A (en) * | 1976-03-24 | 1977-10-04 | Siemens Ag | Mosaic type head |
-
1979
- 1979-05-28 JP JP6585579A patent/JPS55158986A/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49105750A (en) * | 1973-02-12 | 1974-10-07 | ||
| JPS5282519A (en) * | 1975-12-23 | 1977-07-09 | Ncr Co | Matrix printing head actuator |
| JPS52118325A (en) * | 1976-03-24 | 1977-10-04 | Siemens Ag | Mosaic type head |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04128490U (en) * | 1991-05-15 | 1992-11-24 | 株式会社ケンウツド | Speaker case structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55158986A (en) | 1980-12-10 |
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