JPS5889756A - Sealing apparatus for electrode of luminous bulb for discharge lamp - Google Patents
Sealing apparatus for electrode of luminous bulb for discharge lampInfo
- Publication number
- JPS5889756A JPS5889756A JP18805081A JP18805081A JPS5889756A JP S5889756 A JPS5889756 A JP S5889756A JP 18805081 A JP18805081 A JP 18805081A JP 18805081 A JP18805081 A JP 18805081A JP S5889756 A JPS5889756 A JP S5889756A
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- laser beam
- arc tube
- cylinder part
- tube
- 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
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus 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
- H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
- H01J9/32—Sealing leading-in conductors
- H01J9/323—Sealing leading-in conductors into a discharge lamp or a gas-filled discharge device
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
Abstract
Description
【発明の詳細な説明】 1) 発明の技術分野 本発明は、放電灯用発光管の電極封着装置に関する。[Detailed description of the invention] 1) Technical field of invention The present invention relates to an electrode sealing device for an arc tube for a discharge lamp.
2)従来技術
放電灯用発光管、たとえばメタルパライトランプは、通
常、第1図に示すように、たとえば球状に形成された石
英容器P内に゛電極Qa。2) Prior art As shown in FIG. 1, an arc tube for a discharge lamp, such as a metal pallite lamp, usually has an electrode Qa in a quartz container P formed into a spherical shape, for example.
Qbを同軸的に対向配置するとともに石英容器P内に所
定のガスと発光物質Rとを封入したものとなっている。Qb are arranged coaxially and facing each other, and a predetermined gas and a luminescent substance R are sealed in a quartz container P.
そして、゛−極QasQbは、石英容器Pのいわゆる壁
内に墳込まれたモリプデy@等の箔材8m、8bを介し
て外部導出線Ta、Tbに接続されている。The -pole QasQb is connected to external lead lines Ta and Tb via foil materials 8m and 8b, such as molybdenum, embedded in the so-called wall of the quartz container P.
ところで、このような放電灯用発光管t−麹造するに当
っては、一般に次のような手段が採用されている。すな
わち、たとえば石英管を使って、第2図(a)に示すよ
うに、放電空間を形成する空胴部Uおよび上記空胴部U
にこの空胴部Uを中心にして対称的かつ同軸的に連接さ
れた一対の電極挿入筒部Va、Wbおよび空胴部Uの鷺
に設けられた排気口W1に延長させた排気筒部Xからな
る発光管素材2を製作する。次に、−極挿入筒部V a
、 V b内に第2図(b)に示すように電極Q a
e Q b @薄板8m、8bおよび外部纒出婦Ta
、Tbの3者が直列的に接続された部材を電極Qa、Q
bが空胴部U内に位1するようにそれぞれ神込み、この
状態で電極挿込筒部Va、Vbを販水巣バーナで加熱し
て上記筒部Va、Vbi十分軟化させる。そして、軟化
させている状態で上記“−極伸込筒Va、Vbをピンチ
ll4mでピンチし、その後、冷却して封着する。続い
て、排気1m5xを使って′!j!胴部U内な十分排気
した後、!l!胸部胸部区内定ガスと発光物質Rとを収
容した状態で排%m郡Xの根本部分を溶融切断し、封止
することによって第1図に示した発光管を得るようにし
ている。By the way, in making T-koji for such an arc tube for a discharge lamp, the following method is generally employed. That is, for example, using a quartz tube, as shown in FIG. 2(a), the cavity U forming the discharge space and the cavity U
A pair of electrode insertion cylinder parts Va and Wb are connected symmetrically and coaxially around the cavity U, and an exhaust cylinder part X extends to an exhaust port W1 provided at the heel of the cavity U. An arc tube material 2 consisting of the following is manufactured. Next, - pole insertion cylinder part Va
, as shown in FIG. 2(b) within Vb.
e Q b @ Thin plate 8m, 8b and external protrusion Ta
, Tb are connected in series as electrodes Qa, Q
In this state, the electrode insertion cylindrical parts Va and Vb are heated with a water heater burner to sufficiently soften the cylindrical parts Va and Vbi. Then, in the softened state, pinch the above-mentioned "-pole extendable tubes Va and Vb with a pinch ll4m, and then cool and seal them.Next, use an exhaust gas of 1m5x to '!j! inside the trunk U. After sufficiently evacuation, the root part of the thoracic region X is melted and cut while containing the specified gas and the luminescent substance R, and the luminous tube shown in Fig. 1 is made. I'm trying to get it.
3)従来技術の問題点
電極挿入筒部Va、Vb内に44!jA部材を挿入し、
上記電極挿入筒部Va、Vbを加熱軟化させて封着する
に当り、加熱源として前述の如く酸水素パーf−を使用
するようにしている。酸水素バーナは熱源としては最も
安価なものであるが、定められた領域だけを加熱するこ
とが極めて困離で、多くの場合、その領域より広い範囲
に亘って加熱され易い。このように、定められた領域よ
り広い範囲に亘って加熱されるので、罐極挿入崎部Vm
、Vbを加熱した場合、空胴部Uも加熱され易い。この
ため、空胴sUが熱醍形する。放電灯、特にメタルパラ
イトランプ等は、発光管の形状によってその特性が左右
される。したがって、歩−りの^い製造ができない間層
があった。特に、空m部Uの直径が数−と云った車盤の
発光管にあっては、それに対応して゛電極挿入筒部も小
径で短かいので、歩留りが極めて悪いと云う間融があっ
た。さらに、酸水素バーナで加熱した場合、バーナの向
きによって加熱部に乱流が発生し、この結果、管内に大
気を巻き込んで電極を酸化させることが往々にして菖り
、これを防ぐには、一度の熟練を必要とする間−もあっ
た。3) Problems with the prior art: 44! jInsert the A member,
In heating and softening and sealing the electrode insertion cylindrical portions Va and Vb, oxyhydrogen perf- is used as the heat source as described above. Although oxyhydrogen burners are the cheapest heat source, it is extremely difficult to heat only a defined area, and in many cases, it tends to heat a wider area than that area. In this way, since it is heated over a wider range than the defined area, the can pole insertion slope Vm
, Vb, the cavity U is also likely to be heated. Therefore, the cavity sU is heated. The characteristics of discharge lamps, particularly metal pallite lamps, etc., are influenced by the shape of the arc tube. Therefore, there was a layer in between that could not be manufactured at a high yield. In particular, in the case of arc tubes for car panels, where the diameter of the hollow part U is several inches, the electrode insertion cylinder part is also small in diameter and short, resulting in extremely poor yields. . Furthermore, when heating with an oxyhydrogen burner, turbulence occurs in the heating section depending on the orientation of the burner, and as a result, air is often drawn into the tube and oxidizes the electrodes.To prevent this, There were times when it required one-time skill.
4)本発明の目的
本発明は、このような事情C二亀みてなされたもので、
どのような大きさの発光管pあっても、簡単な操作だけ
で、放峨空闇を形成する空胴部を熱変形させることなく
、また電極を酸化させることなく電極封着な行なうこと
ができ、もって歩留りを大幅に向上させ得る放電灯用発
光管の゛電極封着装置を提供することを目的としている
。4) Purpose of the present invention The present invention was made in view of the above circumstances.
Regardless of the size of the arc tube, it is possible to seal the electrodes with a simple operation without thermally deforming the cavity that forms the radiant void or oxidizing the electrodes. An object of the present invention is to provide an electrode sealing device for an arc tube for a discharge lamp, which can greatly improve the yield.
5) 本発明の構成
本発明によれば、未封止の発光管をその鴫楡挿へ筒部を
上下方間に向は下側に位置する筒部を介して遥択的に支
持する発光管支f#JIIIIlが設けられるとともに
上記発光管の上側に位置する電極挿入筒部の外周面に一
択的に加工用レーザ光を照射して軟化させる回転照射形
のレーザ光照射装置が設けられる。さらに、上記発光管
支持機構に支持された発光管の上側に位置する一極挿入
筒部内に造式的に電極部材を吊下げ保持する電橋吊下げ
部材が設けられ、この吊下げ部材はレーザ光照射路を電
力方向に横切って設けられた薄肉の支持部材を介して静
止部に支持される。また、前記発光管内に排気口を介し
て不活性ガスを供給する不活性ガス供給装置と、軟化し
た前記′−補極挿入筒1kJi1択的にピンチするピン
チ機構とが設けられ、少なくとも上記ピンチ機構と前記
レーず光蝋射装置との動作を予め定められた順序に制御
する制御装置が設けられている。5) Structure of the Present Invention According to the present invention, the light emitting device selectively supports an unsealed luminous tube through the tube portion located on the lower side in the vertical direction. A rotary irradiation type laser light irradiation device is provided in which a tube f#JIIIl is provided and the outer circumferential surface of the electrode insertion tube located above the arc tube is selectively irradiated with processing laser light to soften it. . Further, an electric bridge suspension member that structurally suspends and holds the electrode member is provided in the monopole insertion tube located above the arc tube supported by the arc tube support mechanism, and this suspension member is used for the laser beam. It is supported by a stationary part via a thin support member provided across the light irradiation path in the power direction. Further, an inert gas supply device that supplies an inert gas into the arc tube through an exhaust port, and a pinch mechanism that selectively pinches the softened '-commuting electrode insertion cylinder 1kJi1 are provided, and at least the pinch mechanism A control device is provided for controlling the operations of the laser beam and the laser beam waxing device in a predetermined order.
6)本発明の効果
本発明Wt直にあっては、加熱源として前列の如くレー
ザ光な用いている。レーザ光のスポット径を大きくした
り、小さくしたりすることは一般に容易なことである。6) Effects of the present invention In the Wt of the present invention, a laser beam is used as a heating source as in the front row. Generally, it is easy to increase or decrease the spot diameter of laser light.
したがって、電極挿入筒部の真に必要とする部分だけを
所望温度に加熱することができるので放゛罐空間を形成
する空胴部が熱変形するのを確実に防止できる。それに
加え、回転照射形のレーザ光焦射装−を用いて゛電極挿
入筒部の周面を加熱するようにしているので上記筒部の
指定された領域は、馬方向に亘って一様な温度に加熱さ
れる。したがって、礒極神へ筒部の真に必要とする部分
だけを他)二悪影会を与えずにかつ自動的に高精度に封
着できることになる。また、排気口を介して不活性ガス
を供給するようにしているので、加熱時に゛峨極挿へ筒
部を通して大気が空胴部内に流入する虞れがない。した
がって、封着加工時に電極が酸化される眞れもない。そ
して、これらの加工工程は、制御装置からの指令に1い
て行なわれるので、制(2)プログラムを予め鎖長の条
件に設定しておきさえすれば、同品質の発光管を能率的
に歩留りよく形成することができ、熟練度の必要性を解
消することができる。Therefore, only the truly necessary portion of the electrode insertion tube can be heated to a desired temperature, thereby reliably preventing thermal deformation of the cavity forming the can space. In addition, a rotating irradiation type laser beam focusing device is used to heat the circumferential surface of the electrode insertion tube, so that the specified area of the tube has a uniform temperature in the horse direction. is heated to. Therefore, it is possible to automatically seal only the truly necessary portion of the tube portion to the Isogokujin without giving any other negative effects and with high precision. Furthermore, since the inert gas is supplied through the exhaust port, there is no possibility that the atmosphere will flow into the cavity through the cylindrical portion into the polar contact during heating. Therefore, there is no possibility that the electrode will be oxidized during the sealing process. These processing steps are carried out according to commands from the control device, so as long as the chain length conditions are set in advance in the control program (2), arc tubes of the same quality can be produced efficiently with a yield. It can be well formed and eliminates the need for proficiency.
7)本発明の実施例
第3図は、本発明の一実施例C二係る電i封着装置を模
式的に示す図である。7) Embodiment of the present invention FIG. 3 is a diagram schematically showing an electrical sealing apparatus according to Embodiment C2 of the present invention.
すなわち、図中1はケースであり、このケース1内には
、被加工物である未封止の発光管、つまり第2図(畠)
に示した発光vtg材2をその磁極挿入筒部Va 、W
bの軸心線を意力方向と平行させ、かつ下側に位置する
゛成極挿入筒部vbを介して一択的に支持する発光管支
持機構、つまり、チャック機構2が固定されている。な
お、このチャック機構2は、図中矢印3で示す方向の位
置な可変できるように構成されている。In other words, 1 in the figure is a case, and inside this case 1 is an unsealed luminous tube, which is the workpiece, as shown in Figure 2 (Hata).
The light-emitting VTG material 2 shown in FIG.
An arc tube support mechanism, that is, a chuck mechanism 2, is fixed to make the axial center line of b parallel to the voluntary force direction and to selectively support it via the polarizing insertion cylinder section vb located below. . The chuck mechanism 2 is configured to be variable in position in the direction indicated by arrow 3 in the figure.
しかして、上記チャック機構2に支持された発光管素材
2の上側に位置する電極挿入w部Vaの外周面に向けて
レーザ光を照射するレーザ光照射amiが設けである。Therefore, a laser beam irradiation ami is provided which irradiates a laser beam toward the outer peripheral surface of the electrode insertion portion w Va located above the arc tube material 2 supported by the chuck mechanism 2.
このレーザ光照射装置ヱは次のように構成されている。This laser beam irradiation device is constructed as follows.
すなわち、炭酸ガスレーザ発振管等のレーザif5から
送出されたレーザ光A′41:反射m6tl二よって一
旦、前記7発光管素材2の方側でかつ発光を系材2の軸
心線延長に導き、これを反射#、7で上記軸心線と直交
する方向へ辱き、続いて反射fIm8で上記軸心線と平
行する方向へ導いた後、反射@9を介して発光管索材2
の電極挿入筒部v1の周面に導くようにしている。反射
鏡2と反射鏡8との間および反射鏡8と反射−9との間
はそれぞれ筒体10.11によって連結されており、ま
た、反射鏡7には発光管索材2の軸心線と同軸的でかつ
反射鏡6側へ向かう筒体12が連結されている。そして
、皇紀筒体12は軸受13を介してケース1に回転自在
に支持されている。That is, the laser beam A'41 sent out from the laser if5 such as a carbon dioxide laser oscillator tube: Once reflected by the reflection m6tl2, the emitted light is guided to the side of the 7 arc tube material 2 and to the axial line extension of the system material 2, This is reflected in a direction perpendicular to the axis line by reflection #, 7, and then guided in a direction parallel to the axis line by reflection fIm8, and then passed through reflection @9 to the arc tube cable 2.
The electrode is guided to the circumferential surface of the electrode insertion cylindrical portion v1. The reflecting mirror 2 and the reflecting mirror 8 and the reflecting mirror 8 and the reflecting mirror -9 are connected by cylinder bodies 10.11, respectively. A cylindrical body 12 that is coaxial with the reflector 6 and faces toward the reflecting mirror 6 is connected to the cylindrical body 12 . The Koki cylinder body 12 is rotatably supported by the case 1 via a bearing 13.
また−筒体12の上端部外周には、111車14が固定
してあり、この歯車14は歯車16を介してケース1僅
;固定されたモータ16の回転軸に) 連結されている
。A wheel 14 is fixed to the outer periphery of the upper end of the cylindrical body 12, and this gear 14 is connected via a gear 16 to the rotating shaft of a motor 16, which is fixed to the case 1.
前記反射119は、反射向を回動させるようにしたもの
で具体的::は第4図に示すように構成されている。す
なわち、前記部体114二叉f#部材17を固足し、こ
の支持部材12(二紙面と直交する方向にビン181に
固定し、このビン18で反射鏡本体9聡を支持した反射
鏡支持板19を回動自在に支持させている。反射鏡支持
板19の前記ビン18を中心とした対称的位置には鉄片
jOi、Jobが外側へ突出する関係に取り付けてあり
、これら鉄片JOa、jobに対向する位置には鉄心の
外周にコイルを巻装してなる゛峨磁石21m、21bが
前記支持部材17に固定されている。また、前記反射鏡
支持板19の背面中央部には棒状体22が垂直に突設し
てあり、この棒状体22と上記棒状体22を中心とした
前記支持部材17の両側に形成された折り曲げ部23m
、23bとの間には調整ネジ14m、24bを介してコ
イルスプリング15m、25bが対称関係に装着されて
いる。The reflection 119 is configured to rotate the direction of reflection, and is specifically constructed as shown in FIG. That is, the supporting member 12 (2) is fixed to a bin 181 in a direction perpendicular to the plane of the paper, and the reflecting mirror support plate 18 supports the reflecting mirror body 9 with the bin 18. 19 is rotatably supported. Iron pieces jOi and Job are attached to symmetrical positions of the mirror support plate 19 with respect to the bin 18 in such a manner that they protrude outward. At opposing positions, magnets 21m and 21b formed by winding a coil around the outer circumference of an iron core are fixed to the support member 17.Furthermore, at the center of the back surface of the mirror support plate 19, a rod-shaped body 22 is fixed to the support member 17. is vertically protruding, and bent portions 23m are formed on both sides of the rod-shaped body 22 and the support member 17 centered on the rod-shaped body 22.
, 23b, coil springs 15m, 25b are mounted symmetrically through adjustment screws 14m, 24b.
そして、前記電磁石11m、21bの各コイルの線端は
筒体11.10の外面に沿って配設された4芯ケーブル
(図示せず)を介して、筒体12の外周面に設けられた
4電材製の4つの摺動環26に1対1の関係に接続され
ている。上記4つの摺動環26には4つの接触子27が
常時接触状態に設けてあり、これら僧職子27は前配電
磁石11m、21bのコイルを交互に間欠的に付勢する
電源装置impsに接続されている。The wire ends of the coils of the electromagnets 11m and 21b are connected to the outer peripheral surface of the cylinder 12 via a four-core cable (not shown) arranged along the outer surface of the cylinder 11.10. It is connected to four sliding rings 26 made of four electric materials in a one-to-one relationship. Four contacts 27 are provided in the above-mentioned four sliding rings 26 in a constant contact state, and these priests 27 are connected to a power supply device imps that alternately and intermittently energizes the coils of the front electromagnets 11m and 21b. has been done.
一方、前記チャック機構2に支持された発光管素材2の
上方には、上記発光管素材2の上側に位置する電極挿入
筒部v1内へ峨極部材B −(この部材は第1図に示し
たように外部導出線。On the other hand, above the arc tube material 2 supported by the chuck mechanism 2, an electrode member B- (this member is shown in FIG. External lead wire as shown.
箔材、電極を予め直列的に接続したものである。)を選
択的に吊下げる電極吊下げ保持部材31が配置されてお
り、この部材3Jは重力方向と平行するように設けられ
た支持部材32を介してケース1に支持されている。こ
のように支持部材32はレーザ光Aの照射路を横切るよ
うに設けられているのであるが、この横切る部分の電力
方向と直交する方向の肉厚は0.5−以下で第5図に示
すように両サイドがナイフェツジ状に形成されている。A foil material and an electrode are connected in series in advance. ) is arranged, and this member 3J is supported by the case 1 via a support member 32 provided parallel to the direction of gravity. In this way, the support member 32 is provided so as to cross the irradiation path of the laser beam A, and the thickness of this crossing portion in the direction perpendicular to the power direction is less than 0.5, as shown in FIG. Both sides are shaped like a knife.
また、支持部材32は、アルミニウム、銅、リン肯−な
どの金属で形成されている。そして、上記支持部材32
の中途位置には、発光管系材2を前述の如くチャックa
m構2に支′持させたとき、その先端部が排気筒部Xお
よび排気口Wを介して上記発光管素材Zの空胴部U内に
嵌入し得る細管33が突設されている。この細管33は
、第4図に拡大して示すようにその先端部の上面にガス
排出口34畠。Further, the support member 32 is made of metal such as aluminum, copper, or phosphor. Then, the support member 32
At an intermediate position, the arc tube material 2 is placed in a chuck a as described above.
A thin tube 33 is provided in a protruding manner, the tip of which can be fitted into the cavity U of the arc tube material Z through the exhaust tube section X and exhaust port W when supported by the m structure 2. As shown in an enlarged view in FIG. 4, this thin tube 33 has a gas discharge port 34 on the upper surface of its tip.
34bが設けてあり、また、その基端側はパイプ35.
パルプ36を介して不活性ガスボンベ32に接続されて
いる。34b is provided, and a pipe 35.b is provided at the proximal end thereof.
It is connected to an inert gas cylinder 32 via a pulp 36.
また、前記チャック機構2の下方には、上記チャック機
構2に支持された発光管素材2の上側に位置する電極挿
入筒部■1に選択的にピンチシール加工を施すピンチ機
構LAが設けである。このピンチ機構11は、図中矢印
39で示す方向に昇降自在で、かつ前記電極挿入筒部v
1を選択的に強い力で挾持可能なピンチャジヨウ40を
有し、常時は上記ピンチャジヨウ40がチャック機構2
より下方に位置し、油圧ピストン41によって押し上げ
られたとき上記ピンチャジヨウ40が゛嘔極挿入筒部v
鴫の位置まで上昇し、この状態で上記電極挿入筒部Va
の定妬られた位置を強く挾持し、油圧ピストン4ノが元
の位置へ向けて降下を開始したとき挾持動作を解除する
ように構成されている。そして、上記油圧ピストン41
は油圧制御器42によって制御される。Further, below the chuck mechanism 2, there is provided a pinch mechanism LA for selectively pinch-sealing the electrode insertion cylinder part 1 located above the arc tube material 2 supported by the chuck mechanism 2. . This pinch mechanism 11 is movable up and down in the direction indicated by an arrow 39 in the figure, and the electrode insertion tube portion v
It has a pincher 40 that can selectively clamp the chuck mechanism 2 with a strong force, and the pincher 40 is normally used to hold the chuck mechanism 2.
When the pin charger 40 is located at a lower position and pushed up by the hydraulic piston 41, the pin charger 40 becomes
It rises to the top position, and in this state, the electrode insertion cylinder part Va
The hydraulic piston 4 is configured to firmly clamp the fixed position of the hydraulic piston 4 and release the clamping operation when the hydraulic piston 4 starts to descend toward its original position. And the hydraulic piston 41
is controlled by a hydraulic controller 42.
しかして、前記レーザ管5の動作期間および油圧制御器
42を介してのピンチ機構L1の動作開始および動作期
間は、制御@rt4Sによって後述する関係に制卸され
る。なお、第3図中51は位置決め用のHe −N a
レーザ発振管等のレーザ管を示し、このレーザ管51か
ら送出されたレーザ光Cは図中実線および破線で示す位
置にスライド可能な反射鏡52を介してレーザ光Aの光
軸な通って反射鏡6に照射される。Therefore, the operation period of the laser tube 5 and the operation start and operation period of the pinch mechanism L1 via the hydraulic controller 42 are controlled by the control @rt4S to the relationship described later. In addition, 51 in FIG. 3 is He-Na for positioning.
A laser tube such as a laser oscillation tube is shown, and the laser beam C emitted from this laser tube 51 is reflected by passing along the optical axis of the laser beam A via a reflecting mirror 52 that can be slid to the positions indicated by solid lines and broken lines in the figure. The mirror 6 is irradiated with light.
次に上記のように構成された封着装置の使用例を説明す
る。Next, an example of use of the sealing device configured as described above will be explained.
まず、%2図(a)(二示した発光管素材Z:t’$3
図に示すようにチャックS構2に支持させる。First, the arc tube material Z shown in Figure 2 (a) (2): t'$3
As shown in the figure, it is supported by the chuck S structure 2.
このとき、細管33の先端部が丁度、発光管系材2の空
胴部U内に位置するように支持させる。At this time, the tip of the thin tube 33 is supported so as to be located exactly within the cavity U of the arc tube system material 2.
次に、発光管索材2の上側に位置する電極挿入筒部■1
内に電極部材Bを吊り下げ、この部材Bの上端部を′−
極吊下げ保持部材31に支持させる。次に、反射鏡52
を破線の位置までスライドさせ、この状態でレーザ管5
1を動作させそのレーザ光Cが最終的に反射鏡9を介し
て一極部材B’l@成している箔材の中央部側面を照射
し、この状態で゛一極と空胴部Uiの関係位置が所定に
保たれるようにチャックm1lltの尚さと吊rげ保持
部材3ノの高さとを調整する。次に反射鏡52を実線の
位置に戻すとともにレーザ管51の動作を停止させ、続
いてモータ16を動作開始させるととも1:電源装置2
8の出力スイッチを投入する。そ−、夕16が回転する
と、これに伴なって筒体12が図中実線矢印61で示す
方向に回転するので、発光管素材2の軸心線を中心にし
て反射鏡9も上記矢印6ノで示す方向に回転する、また
、4源装置28が出力の送出を開始すると、反射鏡9の
4磁石211゜21bが交互に間欠的に付勢されるので
反射鏡支持板19が第4図中実線矢印62で示すように
回動し、これに伴なって反射鏡本体91も同方向に回動
する。なお、この回動角は電磁石21m、21bO)各
鉄心と鉄片10m、20bとの間の距離を変えることに
よって容易に町変し得る。Next, the electrode insertion cylinder part ■1 located above the arc tube cable material 2
Suspend the electrode member B inside, and the upper end of this member B
It is supported by the pole suspension holding member 31. Next, the reflecting mirror 52
Slide the laser tube 5 to the position indicated by the broken line, and in this state
1 is operated, and the laser beam C finally irradiates the central side surface of the foil material forming the unipolar member B'l@ through the reflecting mirror 9, and in this state, the unipolar member B'l@ The height of the chuck m1llt and the height of the hanging holding member 3 are adjusted so that the relative position of the chuck m1llt is maintained at a predetermined position. Next, the reflecting mirror 52 is returned to the position indicated by the solid line, the operation of the laser tube 51 is stopped, and the motor 16 is then started to operate.
Turn on the output switch 8. When the tube 16 rotates, the cylinder body 12 rotates in the direction indicated by the solid line arrow 61 in the figure, so the reflector 9 also rotates in the direction indicated by the arrow 6, centering on the axis of the arc tube material 2. When the four-source device 28 starts outputting output, the four magnets 211 and 21b of the reflector 9 are alternately and intermittently energized, so that the reflector support plate 19 is rotated in the fourth direction. It rotates as shown by a solid arrow 62 in the figure, and the reflecting mirror main body 91 also rotates in the same direction accordingly. Incidentally, this rotation angle can be easily changed by changing the distance between each iron core of the electromagnets 21m, 21bO) and the iron pieces 10m, 20b.
次に、パルプ36を1開”にして細管33を通して発光
當果材Z内に不活性ガスを通流させ、続いて制御装置゛
43にスタート指令を与える。Next, the pulp 36 is opened 1'' to allow inert gas to flow through the thin tube 33 into the luminescent material Z, and then a start command is given to the control device 43.
スタート指令が与えられると、制御装置4sは、まず、
レーザ管5を動作状態c:制御する。この結果、レーザ
管5からレーザ光Aが送出され、このレーザ光λは、反
射鏡11,7,8.9を介して発光管素材2の上側に位
置する電極挿入間部v暑に照射される。このとき、反射
鏡9の反射鏡本体91は前述の如く回動しているので、
&I44図に示すように電極挿入胸部V烏の外面は上記
回動角によって決まる軸方同一でレーデ光Aの照射を受
ける。また、反射鏡9は発光f木材2の軸心線を中心に
して回転しているので磁極挿入筒部Vaは上述した幅で
外周面全体に亘ってレーザ先人の照射を受け、この照射
を受けた部分が一様に軟化する。なお、レーザ光Aの光
路な横切るように支持部材32が位置しているが、この
支持部材32は前述の如く十分に薄肉に形成されている
ので、その獣舎は表われない。When a start command is given, the control device 4s first
The laser tube 5 is controlled to the operating state c:. As a result, laser light A is sent out from the laser tube 5, and this laser light λ is irradiated onto the electrode insertion portion V located above the arc tube material 2 via the reflecting mirrors 11, 7, 8.9. Ru. At this time, since the reflecting mirror main body 91 of the reflecting mirror 9 is rotating as described above,
As shown in FIG.&I44, the outer surface of the electrode-inserted chest V is irradiated with the radar light A in the same axial direction determined by the above rotation angle. In addition, since the reflecting mirror 9 rotates around the axis of the light-emitting wood 2, the magnetic pole insertion tube portion Va is irradiated with the laser over the entire outer circumferential surface with the above-mentioned width, and this irradiation is The affected area will soften uniformly. Note that the support member 32 is positioned so as to cross the optical path of the laser beam A, but since the support member 32 is formed to be sufficiently thin as described above, its enclosure is not visible.
しかして、電極挿入筒部Vaが充分軟化する指令が与え
られると、油圧制御器イ2は油圧ピストン4ノを動作さ
せる。この結果、ピンチャショク40が上昇し、このピ
ンチャショク40は電極挿入筒部Vaの側方まで上昇し
た位置で第6図に示すように、L記電極挿入筒部Vmを
挾持する。この挾持によって電極挿入1%llI部Va
が内部::″電極部材Bを埋込んだ状態に封止される。When a command is given to sufficiently soften the electrode insertion tube portion Va, the hydraulic controller 2 operates the hydraulic piston 4. As a result, the pincher shock 40 rises, and the pincher shock 40 clamps the L-shaped electrode insertion cylinder part Vm at a position raised to the side of the electrode insertion cylinder part Va, as shown in FIG. By this clamping, electrode insertion 1%llI part Va
is sealed with the electrode member B embedded inside.
そして、所定時間経過後、制#装置43は油圧制御器4
2への動作指令の供給を解摩する。この結果、油圧ピス
トン41内の圧力が降下し1ビン参丁ショク40が開い
て、その状態で第3図に示す位置、つまり元の位置まで
降下する。After a predetermined period of time has elapsed, the control device 43 controls the hydraulic controller 4.
The supply of operation commands to 2 is discontinued. As a result, the pressure within the hydraulic piston 41 decreases and the one-bin stopper 40 opens, and in this state it descends to the position shown in FIG. 3, that is, the original position.
この時点では、磁極挿入筒部Vaの温度が低下している
のでバルブ36を″閉“にし、ここに片側の封着作業を
終了する。そして、次に未封塘の゛磁極挿入筒部vbが
上側に位置するように発光管索材zt−デャックJll
榊21:セットし直し、再び上述した一遍の操作を行な
うことによって封着作業を終了する。At this point, the temperature of the magnetic pole insertion tube portion Va has decreased, so the valve 36 is "closed" and the sealing work on one side is completed here. Next, place the arc tube cord material zt-duck Jll so that the unsealed magnetic pole insertion cylinder part vb is located on the upper side.
Sakaki 21: Reset and complete the sealing work by performing the above-mentioned operation again.
そして、この場合には、加熱源としてレーザ光を使用し
ていることと加熱時に発光管素材Z内に不活性ガスを通
流させていることとが相俟って、放電空間の形状変形を
招かずに、また一極の品質を低下させずに封着を行なわ
せることができ、結局、前述した効果が得られることに
なる。In this case, the use of laser light as a heating source and the passage of inert gas through the arc tube material Z during heating combine to cause the shape deformation of the discharge space to occur. Sealing can be carried out without causing damage or deteriorating the quality of one pole, and the above-mentioned effects can be obtained after all.
8)本発明の変形例
上述した実施例では、チャック4m2への発光當業材2
のセットおよび電極(1)下げ保持部材31への*m部
材Bのセットを手動で行なうようにしているが、自動セ
ット構成にしてもよい。8) Modification of the present invention In the embodiment described above, the luminescent material 2 is attached to the chuck 4m2.
Although the setting of the *m member B and the *m member B to the electrode (1) lowering and holding member 31 are performed manually, an automatic setting configuration may be used.
また、パルプ36の制御、位置決め制御、モー゛り16
の制御および*源装−の制御も制御装置43で行なわせ
るようにしてもよい。In addition, control of the pulp 36, positioning control, motion 16
The control device 43 may also control the power source device and the source device.
第1図は放罐灯用発光管の一例の側面図、第2図(a)
、(b)は放′砿灯用発光管の一般的な作り方を説明す
るための図、113図は本発明の一実施例に係る封41
装−の模式的構成図、第4図は同装置のレーザ光照射装
置における最終段に位置する反射−の側面図、第5図は
第3図におけるE−8−切断矢視図、第6図はピンチャ
ショクがピンチ動作を行なった時点の第3図におけるE
−g@切断矢視図である。
2・・・発光管素材、U・・・空胴部、Va、Vb・・
・電極挿入筒部、X・・・排気ms、 BL−磁極部材
、2・・・チャックms、4・・・レーザ光照射ytm
。
3ノ・・・磁極吊下げ保持部材、3.2・・・支持部材
、33・・・細管、37・・・不活性ガスボンベ、38
・・・ピンチf*4#、4:9・・・制御装置。
第1図
第2図
(a) (b)
第4図
!5図Figure 1 is a side view of an example of an arc tube for a canal light, Figure 2 (a)
, (b) is a diagram for explaining a general method of making a luminous tube for an open-air lamp, and Figure 113 is a diagram showing a seal 41 according to an embodiment of the present invention.
FIG. 4 is a side view of the reflector located at the final stage in the laser beam irradiation device of the same device, FIG. 5 is a cross-sectional view along arrow E-8 in FIG. The figure shows E in Figure 3 at the time when the pincher-shock performs the pinching action.
-g@cutaway view. 2... Arc tube material, U... Cavity, Va, Vb...
- Electrode insertion cylinder part, X... Exhaust ms, BL-magnetic pole member, 2... Chuck ms, 4... Laser light irradiation ytm
. 3 No.... Magnetic pole suspension holding member, 3.2... Supporting member, 33... Thin tube, 37... Inert gas cylinder, 38
...Pinch f*4#, 4:9...Control device. Figure 1 Figure 2 (a) (b) Figure 4! Figure 5
Claims (4)
にこの空胴部を中心にして対称的かつ同軸的に連接され
た一対の電極挿入筒部および上記空胴部の壁に設けられ
た排気口からなる未封止の発光管を上記一対の電極挿入
筒部の軸心線を重力方向と平行させ下側、に位置する磁
極挿入筒部を介して支持する発光管支持機構と、この発
光管支持機構に支持された前記発光管の上側に位置する
磁極挿入筒部の外周面に加工用レーザ光を回転させなが
ら照射して上記筒部の加工用レーザ光の受光部を軟化さ
せる回転照射形のレーザ光照射装置と、前記磁極挿入1
i1部の外周面を回転しながら照射しているレーザ光路
に一部が横切って設けられかつこの部分の投影幅がレー
ザ光のビーム径より十分小さな幅で形成された前記発光
管の上側に位置する前記電極挿入筒部内に゛磁極部材を
吊り下げ保持する静止部に固定された保持部と、前記発
光管支持機構に支持された前記発光着肉へ前記排気口を
介して不活性ガスを供給する不活性ガス供給装置と、動
作指令が与えられたとき前記発光管支持機構に支持され
ている前記発光管の前記レーザ光の照射を受けた前記電
極挿入筒部をピンチ封止するビンテロ1NItと、予め
定められた順序で少なくとも前記レーザ光照射装置およ
び前記ピンチmmを動作させる制御装置とを具備してな
ることを特徴とする放電灯用発光管の電極対4装置。(1) A cavity forming a discharge space, a pair of electrode insertion cylindrical parts connected symmetrically and coaxially to the cavity, and a wall of the cavity. an arc tube support mechanism that supports an unsealed arc tube consisting of an exhaust port via a magnetic pole insertion cylinder located on the lower side with the axes of the pair of electrode insertion cylinders parallel to the direction of gravity; A machining laser beam is irradiated while rotating the outer peripheral surface of the magnetic pole insertion cylindrical portion located above the arc tube supported by the arc tube support mechanism to soften the processing laser beam receiving portion of the cylindrical portion. A rotating irradiation type laser beam irradiation device and the magnetic pole insertion 1
A portion of the arc tube is located above the arc tube, the part of which is provided so as to partially cross the laser beam path that rotates and irradiates the outer peripheral surface of the i1 portion, and the projected width of this portion is sufficiently smaller than the beam diameter of the laser beam. Inert gas is supplied through the exhaust port to a holding part fixed to a stationary part that suspends and holds a magnetic pole member in the electrode insertion cylinder part and to the luminescent inlay supported by the luminous tube support mechanism. an inert gas supply device for pinch-sealing the electrode insertion tube portion of the arc tube supported by the arc tube support mechanism and irradiated with the laser beam when an operation command is given; An electrode pair 4 device for an arc tube for a discharge lamp, comprising: a control device for operating at least the laser beam irradiation device and the pinch mm in a predetermined order.
向に定められた振幅で走査しながら前記′磁極挿入筒部
に照射するものであることを特徴とする特許#11求の
軸囲第1項記載の放電灯用発光管の電極対***。(2) The laser beam irradiation device irradiates the 'magnetic pole insertion cylinder part with a laser beam while scanning the laser beam in the vertical direction with a predetermined amplitude. Pair of electrodes for arc tubes for discharge lamps as described in Section ***.
向の厚みが0,5−以下であることな特徴とする特許請
求の範囲第1項記載の放電灯用発光管の電極封着装置。(3) The electrode sealing device for an arc tube for a discharge lamp according to claim 1, wherein the support member has a thickness of 0.5 - or less in a direction perpendicular to the direction of gravity.
銅から置ばれた1種で形成されていることを特徴とする
特許請求の範囲第1項または第3項記載の放電灯用発光
管の電極封着装置。(4) The electrode of an arc tube for a discharge lamp according to claim 1 or 3, wherein the supporting member is made of one of aluminum, copper, and phosphor bronze. Sealing device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18805081A JPS5889756A (en) | 1981-11-24 | 1981-11-24 | Sealing apparatus for electrode of luminous bulb for discharge lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18805081A JPS5889756A (en) | 1981-11-24 | 1981-11-24 | Sealing apparatus for electrode of luminous bulb for discharge lamp |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5889756A true JPS5889756A (en) | 1983-05-28 |
Family
ID=16216801
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18805081A Pending JPS5889756A (en) | 1981-11-24 | 1981-11-24 | Sealing apparatus for electrode of luminous bulb for discharge lamp |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5889756A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998032147A1 (en) * | 1997-01-18 | 1998-07-23 | Toto Ltd. | Discharge lamp, discharge lamp sealing method, discharge lamp sealing device |
EP0866488A1 (en) * | 1997-03-17 | 1998-09-23 | Matsushita Electric Industrial Co., Ltd. | High-pressure discharge lamp and manufacturing method thereof |
EP1227510A1 (en) * | 2001-01-24 | 2002-07-31 | Matsushita Electric Industrial Co., Ltd. | Method for manufacturing a discharge tube and discharge lamp comprising a discharge tube obtained thereby |
-
1981
- 1981-11-24 JP JP18805081A patent/JPS5889756A/en active Pending
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998032147A1 (en) * | 1997-01-18 | 1998-07-23 | Toto Ltd. | Discharge lamp, discharge lamp sealing method, discharge lamp sealing device |
EP0954007A1 (en) * | 1997-01-18 | 1999-11-03 | Toto Ltd. | Discharge lamp, discharge lamp sealing method, discharge lamp sealing device |
EP0954007A4 (en) * | 1997-01-18 | 2000-07-19 | Toto Ltd | Discharge lamp, discharge lamp sealing method, discharge lamp sealing device |
US6354901B1 (en) | 1997-01-18 | 2002-03-12 | Toto, Ltd. | Discharge lamp, discharge lamp sealing method, discharge lamp sealing device |
EP0866488A1 (en) * | 1997-03-17 | 1998-09-23 | Matsushita Electric Industrial Co., Ltd. | High-pressure discharge lamp and manufacturing method thereof |
US6132279A (en) * | 1997-03-17 | 2000-10-17 | Matsushita Electric Industrial Co., Ltd. | High-pressure discharge lamp and manufacturing method thereof |
EP1227510A1 (en) * | 2001-01-24 | 2002-07-31 | Matsushita Electric Industrial Co., Ltd. | Method for manufacturing a discharge tube and discharge lamp comprising a discharge tube obtained thereby |
US6729925B2 (en) | 2001-01-24 | 2004-05-04 | Matsushita Electric Industrial Co., Ltd. | Method for manufacturing discharge tube and discharge lamp |
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