JPS6367733B2 - - Google Patents

Info

Publication number
JPS6367733B2
JPS6367733B2 JP6437982A JP6437982A JPS6367733B2 JP S6367733 B2 JPS6367733 B2 JP S6367733B2 JP 6437982 A JP6437982 A JP 6437982A JP 6437982 A JP6437982 A JP 6437982A JP S6367733 B2 JPS6367733 B2 JP S6367733B2
Authority
JP
Japan
Prior art keywords
bead glass
electron gun
cathode support
bead
view
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
Application number
JP6437982A
Other languages
Japanese (ja)
Other versions
JPS58181251A (en
Inventor
Osamu Baba
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP6437982A priority Critical patent/JPS58181251A/en
Publication of JPS58181251A publication Critical patent/JPS58181251A/en
Publication of JPS6367733B2 publication Critical patent/JPS6367733B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02Manufacture of electrodes or electrode systems
    • H01J9/18Assembling together the component parts of electrode systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)

Description

【発明の詳細な説明】 この発明は電子銃の陰極支持体および複数個の
電極を支持したビードガラスのクラツクや割れの
発生を防止する電子銃組立装置に関するものであ
る。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an electron gun assembly device that prevents the occurrence of cracks and breaks in the cathode support of an electron gun and bead glass supporting a plurality of electrodes.

第1図は従来のカラー陰極線管用インライン型
電子銃の側面図、第2図は第1図のA―A線矢視
図である。これらの図において、電子銃は熱電子
ビームを放射する3組の陰極1と、この陰極1を
支持した陰極支持体2と、電子ビーム量を制御す
るための第1格子電極3、第2格子電極4と、3
本の電子ビームを陰極線管の画面上に集束および
集中させるための第3格子電極5、第4格子電極
6と、これら陰極支持体2、第1〜第4格子電極
3〜6を所定の間隙を保つて電気的に絶縁しかつ
機械的に一体的に連結支持した1対のビードガラ
ス7,7とからなる。8は陰極1内に設けられた
ヒータ(図示せず)を支持するヒータ支持体であ
る。
FIG. 1 is a side view of a conventional in-line electron gun for a color cathode ray tube, and FIG. 2 is a view taken along the line AA in FIG. In these figures, the electron gun includes three sets of cathodes 1 that emit thermionic electron beams, a cathode support 2 that supports the cathodes 1, a first grid electrode 3, and a second grid electrode for controlling the amount of electron beams. Electrodes 4 and 3
A third grid electrode 5, a fourth grid electrode 6 for focusing and concentrating the electron beam on the screen of the cathode ray tube, and these cathode supports 2 and the first to fourth grid electrodes 3 to 6 are arranged at predetermined intervals. It consists of a pair of bead glasses 7, 7 which are electrically insulated and mechanically integrally connected and supported. A heater support 8 supports a heater (not shown) provided within the cathode 1.

上記のように電子銃を構成するためには、すで
に周知のように、まずビード組立治具(図示せ
ず)に陰極支持体2、第1〜第4格子電極3〜6
を挿入して位置決めしたのち、ビードガラス7の
内面部7aをガスバーナ(図示せず)により加熱
軟化し、その軟化した内面部7aに陰極支持体
2、第1〜第4格子電極3〜6から突出した固定
片9を押込みにより植設する必要がある。その状
態の断面図を第3図に示す。
In order to configure the electron gun as described above, first, as is already well known, the cathode support 2, the first to fourth grid electrodes 3 to 6 are mounted on a bead assembly jig (not shown).
After inserting and positioning the bead glass 7, the inner surface 7a of the bead glass 7 is heated and softened by a gas burner (not shown), and the softened inner surface 7a is covered with the cathode support 2 and the first to fourth grid electrodes 3 to 6. It is necessary to implant the protruding fixing piece 9 by pushing it. A cross-sectional view of this state is shown in FIG.

第4図は上記ビードガラス7を位置決めして、
その内面部7aを上記のように陰極支持体2、第
1〜第4格子電極3〜6の固定片9に押付けるた
めの焼台10の斜視図を示す。この焼台10には
ビードガラス位置決め溝10aが設けられている
が、この溝10aの両側面部10b,10bが各
固定片9の押込みに伴うビードガラス7の膨張を
妨げるため、ビードガラス7に応力が残留して、
陰極線管製造工程の熱工程でビードガラス7にク
ラツクや割れなどの欠陥11(第2図)が発生す
ることがあつた。
FIG. 4 shows the positioning of the bead glass 7,
A perspective view of the baking table 10 for pressing the inner surface 7a against the fixing pieces 9 of the cathode support 2 and the first to fourth grid electrodes 3 to 6 as described above is shown. This baking table 10 is provided with a bead glass positioning groove 10a, but since both side surfaces 10b of this groove 10a prevent the expansion of the bead glass 7 due to the pushing of each fixing piece 9, stress is applied to the bead glass 7. remains,
Defects 11 (FIG. 2), such as cracks and breaks, sometimes occur in the bead glass 7 during the heat process of the cathode ray tube manufacturing process.

この発明は上記欠点を解消するためになされた
もので、焼台のビードガラス位置決め溝の側面部
を、陰極支持体、各電極の固定片に対応させて部
分的に除去することにより、ビードガラスの残留
応力を減少し、ビードガラスのクラツクや割れの
発生を防止する電子銃組立装置を提供することを
目的としている。
This invention was made in order to eliminate the above-mentioned drawbacks, and by partially removing the side surface of the bead glass positioning groove of the baking table in correspondence with the cathode support and the fixing pieces of each electrode, the bead glass The purpose of the present invention is to provide an electron gun assembly device that reduces the residual stress of the bead glass and prevents the occurrence of cracks and breaks in the bead glass.

以下、この発明の実施例を図面にもとづいて説
明する。
Embodiments of the present invention will be described below based on the drawings.

第5図はこの発明の一実施例にかかる電子銃組
立装置により組立てられた電子銃の側面図で、第
2図に相当するものである。この図において、第
2図に示したものと同一機能を有するものについ
ては同一符号が記されており、したがつてその説
明は省略する。
FIG. 5 is a side view of an electron gun assembled by an electron gun assembly apparatus according to an embodiment of the present invention, and corresponds to FIG. 2. In this figure, components having the same functions as those shown in FIG. 2 are denoted by the same reference numerals, and therefore their description will be omitted.

第6図は電子銃組立装置の焼台の斜視図であ
る。この焼台10にはビードガラス位置決め溝1
0aが設けられ、かつ当該溝10aの両側面部1
0b,10bは第5図に示した陰極支持体2、第
1〜第4格子電極3〜6のそれぞれから突出した
固定片9に対応して部分的に除去されている。1
0c,10cはその除去部である。
FIG. 6 is a perspective view of the burner table of the electron gun assembly device. This baking table 10 has a bead glass positioning groove 1.
0a is provided, and both side surfaces 1 of the groove 10a are provided.
0b and 10b are partially removed to correspond to the fixing pieces 9 protruding from the cathode support 2 and the first to fourth grid electrodes 3 to 6, respectively, shown in FIG. 1
0c and 10c are the removed portions.

第7図は上記焼台10の使用状態図、第8図は
第7図のC―C線断面図である。これより解るよ
うに、この焼台10のビードガラス位置決め溝1
0aにビードガラス7を嵌着して、その内面部7
aを加熱軟化するとともに、この内面部7aに陰
極支持体2、第1〜第4格子電極3〜6の各固定
片9を押込んだとき、その押込みに伴つてビード
ガラス7の両側面部7b,7bが第5図の凸部7
bで示すように部分的に膨張してビードガラス位
置決め溝7aの除去部10c,10cに逃げる。
これによりビードガラス7の残留応力が減少し、
ビードガラス7のクラツクや割れの発生が防止さ
れる。
FIG. 7 is a diagram showing the use state of the baking table 10, and FIG. 8 is a sectional view taken along the line CC in FIG. As can be seen from this, the bead glass positioning groove 1 of this baking table 10
A bead glass 7 is fitted to 0a, and its inner surface 7
When the cathode support 2 and the fixing pieces 9 of the first to fourth grid electrodes 3 to 6 are pushed into the inner surface 7a, both side surfaces 7b of the bead glass 7 are heated and softened. , 7b is the convex portion 7 in FIG.
As shown in b, it partially expands and escapes to the removed portions 10c, 10c of the bead glass positioning groove 7a.
This reduces the residual stress in the bead glass 7,
The bead glass 7 is prevented from cracking or breaking.

なお、第6図のように、ビードガラス位置決め
溝10aの除去部10cはすべての固定片9に対
応する長さlに設定したが、この除去部10cは
各固定片9に個々に対応させて設けることができ
る。この場合、特に相接近した陰極支持体2と第
1格子電極3と第2格子電極4との3つの固定片
9部分ではビードガラス7の膨張が大きいので、
その3つの固定片9に対応する溝除去部は1つの
大きな除去部とすることができる。
As shown in FIG. 6, the removed portion 10c of the bead glass positioning groove 10a is set to a length l corresponding to all the fixing pieces 9, but the removed portion 10c is made to correspond to each fixing piece 9 individually. can be provided. In this case, the expansion of the bead glass 7 is particularly large in the three fixed pieces 9 of the cathode support 2, first grid electrode 3, and second grid electrode 4 that are close to each other.
The groove removal parts corresponding to the three fixing pieces 9 can be made into one large removal part.

以上説明したように、この発明の電子銃組立装
置によれば、ビードガラスの残留応力を減少し、
ビードガラスのクラツクや割れの発生を防止でき
る効果がある。
As explained above, according to the electron gun assembly apparatus of the present invention, the residual stress of the bead glass can be reduced,
It has the effect of preventing cracks and cracks in bead glass.

【図面の簡単な説明】[Brief explanation of drawings]

第1図は従来の電子銃の側面図、第2図は第1
図のA―A線矢視図、第3図は第1図のB―B線
断面図、第4図は従来の焼台の斜視図、第5図は
この発明の一実施例にかかる電子銃の側面図、第
6図はこの発明の一実施例にかかる電子銃組立装
置の焼台の斜視図、第7図は第6図の焼台の使用
状態図、第8図は第7図のC―C線断面図であ
る。 2……陰極支持体、3〜6……電極、7……ビ
ードガラス、7a……内面図、9……固定片、1
0……焼台、10a……ビードガラス位置決め
溝、10b……側面部、10c……除去部。な
お、図中同一符号は同一もしくは相当部分を示
す。
Figure 1 is a side view of a conventional electron gun, and Figure 2 is a side view of a conventional electron gun.
3 is a sectional view taken along line BB of FIG. 1, FIG. 4 is a perspective view of a conventional grilling table, and FIG. A side view of the gun, FIG. 6 is a perspective view of the firing stand of an electron gun assembly device according to an embodiment of the present invention, FIG. 7 is a view of the firing stand of FIG. 6 in use, and FIG. FIG. 2... Cathode support, 3-6... Electrode, 7... Bead glass, 7a... Inner view, 9... Fixed piece, 1
0... Baking stand, 10a... Bead glass positioning groove, 10b... Side part, 10c... Removal part. Note that the same reference numerals in the figures indicate the same or corresponding parts.

Claims (1)

【特許請求の範囲】[Claims] 1 1対のビードガラス間に陰極支持体と複数個
の電極とを所定の間隙を保つて配置し、上記各ビ
ードガラスの内面部を加熱軟化させるとともに、
この内面部に上記陰極支持体および上記電極の固
定片を押込みにより植設してなる電子銃の組立工
程において、上記ビードガラスを位置決めして上
記陰極支持体および上記電極の固定片に押付ける
焼台のビードガラス位置決め溝の側面部を、上記
固定片に対応させて部分的に除去したことを特徴
とする電子銃組立装置。
1 A cathode support and a plurality of electrodes are arranged between a pair of bead glasses with a predetermined gap maintained, and the inner surface of each bead glass is heated and softened,
In the assembly process of an electron gun in which the cathode support and the electrode fixing piece are implanted into the inner surface by pressing, the bead glass is positioned and pressed against the cathode support and the electrode fixing piece. An electron gun assembly device characterized in that a side surface of the bead glass positioning groove of the stand is partially removed in correspondence with the fixing piece.
JP6437982A 1982-04-15 1982-04-15 Electron gun assembling device Granted JPS58181251A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6437982A JPS58181251A (en) 1982-04-15 1982-04-15 Electron gun assembling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6437982A JPS58181251A (en) 1982-04-15 1982-04-15 Electron gun assembling device

Publications (2)

Publication Number Publication Date
JPS58181251A JPS58181251A (en) 1983-10-22
JPS6367733B2 true JPS6367733B2 (en) 1988-12-27

Family

ID=13256606

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6437982A Granted JPS58181251A (en) 1982-04-15 1982-04-15 Electron gun assembling device

Country Status (1)

Country Link
JP (1) JPS58181251A (en)

Also Published As

Publication number Publication date
JPS58181251A (en) 1983-10-22

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