JPH0214473Y2 - - Google Patents
Info
- Publication number
- JPH0214473Y2 JPH0214473Y2 JP1983173698U JP17369883U JPH0214473Y2 JP H0214473 Y2 JPH0214473 Y2 JP H0214473Y2 JP 1983173698 U JP1983173698 U JP 1983173698U JP 17369883 U JP17369883 U JP 17369883U JP H0214473 Y2 JPH0214473 Y2 JP H0214473Y2
- Authority
- JP
- Japan
- Prior art keywords
- lead
- writing
- cylindrical
- core
- holder
- 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
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 230000003028 elevating effect Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 description 8
- 238000012840 feeding operation Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は、自動製図機やX−Yプロツタ等の自
動筆記装置に関し、特に筆記手段として鉛筆の芯
を用いてなる自動筆記装置に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an automatic writing device such as an automatic drafting machine or an X-Y plotter, and particularly to an automatic writing device using a pencil lead as a writing means.
自動製図機やX−Yプロツタ等の自動筆記装置
において、筆記ヘツド部となる画線ヘツド装置の
筆記手段として鉛筆の芯を用いるものにあつて
は、筆記動作に伴つて芯が摩耗する。
In automatic writing devices such as automatic drafting machines and X-Y plotters, when a pencil lead is used as the writing means of a drawing head device serving as a writing head portion, the lead is worn out with the writing operation.
ところで、従来、鉛筆の芯を筆記手段とする自
動筆記装置は一本の芯のみしか上記画線ヘツド装
置に装着できない構造のものとなつている。しか
も、上記画線ヘツド装置は長さが予め決められた
市販の芯しか装着できない構造となつている。 Incidentally, conventional automatic writing devices that use a pencil lead as a writing means have a structure in which only one lead can be attached to the above-mentioned drawing head device. Moreover, the above-mentioned printing head device is constructed so that only commercially available leads having a predetermined length can be attached thereto.
したがつて、芯が摩耗して筆記不能となるごと
に一本単位で芯を上記画線ヘツド装置に装着しな
ければならず芯の補充を頻繁に行なわなければな
らない。 Therefore, each time the lead wears out and becomes impossible to write on, the lead must be attached to the printing head device one by one, and the lead must be replenished frequently.
また、筆記動作中に芯が無くなり筆記不能にな
つた場合には、筆記動作を中断して新たな芯を画
線ヘツド装置に装着しなければならず、円滑な筆
記動作を阻害させることになる。 Additionally, if the lead runs out during a writing operation and writing becomes impossible, the writing action must be interrupted and a new lead inserted into the drawing head device, which impedes smooth writing. .
そこで、本考案はこのような実情に鑑みて提案
されたものであり、長さが予め決められた市販の
芯の自動給芯が行なえ、筆記動作を中断させるこ
となく円滑な筆記動作を行ない得る新規な自動筆
記装置を提供することを目的とする。
Therefore, the present invention was proposed in view of the above circumstances, and it is possible to automatically feed a commercially available lead whose length is predetermined, and it is possible to perform a smooth writing motion without interrupting the writing motion. The purpose is to provide a new automatic writing device.
本考案は、上述した目的を達成されるために提
案されたものであつて、作画面上をXY方向に移
動可能な作画ヘツド本体に設けられるとともに、
支持アームを画線ヘツド本体に対して昇降駆動す
る昇降機構と、上記支持アームによつて昇降可能
に支持される筒状支持部材と、上記筒状支持部材
により軸方向に摺動自在に支持されるとともに該
筒状支持部材との間に筆圧スプリングを介装して
筆記面方向に付勢された筒状芯ホルダ部材と、上
記筒状芯ホルダ部材の中間部筒体内に一体に設け
られたチヤツクホルダと、上記チヤツクホルダ内
部にスプリングを介して支持されたコレツト部材
を有し、チヤツクホルダに対する上記コレツト部
材の相対移動により芯の挾持、解除動作を行う芯
チヤツク部材と、複数本の芯が収納可能となさ
れ、上記筒状ホルダ部材の上部筒体内に該筒状ホ
ルダ部材に対して相対移動自在に設けられ下端が
上記芯コレツト部材の上端に当接するとともに下
端に設けた芯送り出し口が上記芯コレツト部材の
芯挿通口に連通する芯ケース部材と、上記筒状芯
ホルダ部材の下部筒体内に該筒状ホルダ部材に対
して相対移動自在に設けられるとともに押圧スプ
リングを介して筆記面方向に付勢され、挿通され
る芯先端部を摩擦保持する芯ガイド部材とを備え
てなる筆記ブロツクと、上記作画ヘツド本体に固
定配置され、前記芯ケース部材と係合して該芯ケ
ース部材の上昇移動を阻止する固定部材と、上記
筆記ブロツクの下降時に上記芯ガイド部材を係止
するように作画ヘツド本体に固定配置された芯ガ
イドストツパとを備えてなる自動筆記装置であつ
て、上記芯チヤツク部材は上記筒状芯ホルダ部材
が上昇したときに芯ケース部材によつてコレツト
部材が下方向に押し込まれることにより上記芯の
挾持動作を解除して芯ケース部内の芯をコレツト
部材の芯挿通孔内へ落下可能とするとともに、上
記筒状芯ホルダ部材が下降した時に芯ケース部材
の押し込みが解除されることにより上記芯を挾持
するようになされ、上記昇降機構の繰り返し動作
による芯先端の筆記面に対する着地圧接、及び浮
上離隔により上記芯ケース部財内に収納されてい
る複数本の芯を一本づつ自動的に上記芯チヤツク
部財内に送り込むとともに、芯の消耗に応じた芯
の繰り出しを行うことを特徴とするものである。
The present invention has been proposed to achieve the above-mentioned object, and is provided in a drawing head body that is movable in the X and Y directions on the drawing surface.
an elevating mechanism that drives the support arm up and down with respect to the printing head body; a cylindrical support member that is movably supported by the support arm; and a cylindrical support member that is slidably supported in the axial direction by the cylindrical support member. and a cylindrical lead holder member which is urged in the direction of the writing surface by interposing a writing pressure spring between the cylindrical lead holder member and the cylindrical lead holder member; The chuck holder has a chuck holder, a collet member supported through a spring inside the chuck holder, and a core chuck member that clamps and releases the core by moving the collet member relative to the chuck holder, and a plurality of cores can be stored. The cylindrical holder member is provided within the upper cylinder body thereof so as to be movable relative to the cylindrical holder member, and has a lower end abutting the upper end of the core collet member, and a core feed port provided at the lower end of the cylindrical holder member. A lead case member that communicates with the lead insertion opening of the member, and a lead case member that is provided within the lower cylinder of the cylindrical lead holder member so as to be movable relative to the cylindrical holder member and biased in the direction of the writing surface via a pressing spring. a writing block comprising a lead guide member that frictionally holds the leading end of the lead inserted therein; and a writing block that is fixed to the drawing head body and engages with the lead case member to prevent the lead case member from moving upwardly. An automatic writing device comprising a fixing member for blocking the drawing block, and a lead guide stopper fixedly arranged on the drawing head main body so as to stop the lead guide member when the writing block is lowered, wherein the lead chuck member is fixed to the writing block. When the cylindrical lead holder member rises, the collect member is pushed downward by the lead case member, thereby releasing the lead clamping action and allowing the lead inside the lead case to fall into the lead insertion hole of the collect member. In addition, when the cylindrical lead holder member is lowered, the pushing of the lead case member is released so as to clamp the lead, and the repeated movement of the lifting mechanism causes the tip of the lead to land in pressure contact with the writing surface. , and automatically feeds the plurality of leads stored in the lead case component one by one into the lead chuck component by flotation and separation, and also feeds out the leads in accordance with the wear and tear of the leads. This is a characteristic feature.
以下、本考案の一実施例を図面を参照しながら
具体的に説明する。
Hereinafter, one embodiment of the present invention will be specifically described with reference to the drawings.
第1図は、本考案にかかる自動製図機やX−Y
プロツタ等の自動筆記装置の画線ヘツド装置の要
部を示す概略断面図である。この画線ヘツド装置
は、作図制御信号等に応じて筆記面G上の任意の
位置に移動し得るように構成されている。この画
線ヘツド装置において、鉛筆の芯1が装着される
筆記ブロツク2を構成する芯ホルダ部材3の筐体
4は、ネジ部5,6により下部筒体4Aと中間部
筒体4Bと上部筒体4Cとに分離可能であり、下
部筒体4A内には第1の芯ガイド筒体10が軸方
向に摺動自在に支持され、中間部筒体4B内には
芯チヤツク部材9が固定支持されており、さらに
上部筒体4C内には複数本の芯1の収納が可能な
筒状の芯ケース部材12が摺動自在に支持されて
いる。 Figure 1 shows the automatic drafting machine and X-Y
1 is a schematic cross-sectional view showing a main part of a drawing head device of an automatic writing device such as a plotter. This drawing head device is configured to be able to move to any position on the writing surface G in response to a drawing control signal or the like. In this drawing head device, a casing 4 of a lead holder member 3 constituting a writing block 2 into which a pencil lead 1 is attached is connected to a lower cylinder 4A, an intermediate cylinder 4B, and an upper cylinder by means of threaded parts 5 and 6. A first core guide cylinder 10 is supported slidably in the axial direction in the lower cylinder 4A, and a core chuck member 9 is fixedly supported in the intermediate cylinder 4B. Furthermore, a cylindrical core case member 12 capable of storing a plurality of cores 1 is slidably supported within the upper cylinder 4C.
上記第1の芯ガイド筒体10内には第2の芯ガ
イド筒体13が摺動自在に配されている。上記各
芯ガイド筒体10,13間には第1の芯ガイド筒
体10に筆記面G方向に復帰力を付与する押圧ス
プリング14が配されている。なお、上記第2の
芯ガイド筒体13は上記スプリング14によつて
芯チヤツク部材9に押付けられている。 A second core guide cylinder 13 is slidably disposed within the first core guide cylinder 10 . A pressing spring 14 is disposed between each of the lead guide cylinders 10 and 13 to apply a return force to the first lead guide cylinder 10 in the direction of the writing surface G. The second core guide cylinder 13 is pressed against the core chuck member 9 by the spring 14.
上記芯ケース部材12の下端は、第2図にも示
すように芯チヤツク部材9の上端に常時当接する
状態に置かれている。また、上記芯ケース部材1
2は上部筒体4Cのキヤツプ部20によつて上動
端が決められている。また、上記上部筒体4C内
には上記芯ケース部材12を上動端で保持すると
ともに上記芯チヤツク部材9に押圧力を付与する
ための押圧スプリング16が配されている。 The lower end of the core case member 12 is always in contact with the upper end of the core chuck member 9, as shown in FIG. In addition, the core case member 1
The upper moving end of 2 is determined by the cap portion 20 of the upper cylinder 4C. Further, a pressing spring 16 is disposed within the upper cylinder 4C for holding the core case member 12 at its upper moving end and applying a pressing force to the core chuck member 9.
第1の芯ガイド筒体10において下部筒体7の
先端から突出する先端部には芯1が挿通されるゴ
ムリング17を備えた第3の芯ガイド筒体18が
螺着されている。 A third core guide cylinder 18 having a rubber ring 17 into which the core 1 is inserted is screwed onto the tip of the first core guide cylinder 10 that protrudes from the tip of the lower cylinder 7.
なお、芯ホルダ部材3の筐体4をネジ部5,6
により下部筒体4Aと中間部筒体4Bと上部筒体
4Cとに分離可能としたのは、一本目の芯1を芯
チヤツク部材9を介して上記各芯ガイド筒体1
0,13,18内にスムーズに挿入し易くするた
めである。これら各筒体10,13,18を一体
化して、芯ケース部材12の上端開口12aより
芯1を挿入してもよい。なお、上記上端開口12
aはキヤツプ部材20によつて蓋閉し得るように
なつている。 Note that the casing 4 of the core holder member 3 is attached to the threaded portions 5 and 6.
The reason why the first core 1 can be separated into the lower cylinder 4A, intermediate cylinder 4B, and upper cylinder 4C is that the first core 1 is connected to each of the core guide cylinders 1 through the core chuck member 9.
This is to make it easier to insert it smoothly into 0, 13, and 18. These cylindrical bodies 10, 13, and 18 may be integrated, and the core 1 may be inserted through the upper end opening 12a of the core case member 12. Note that the upper end opening 12
a can be closed with a cap member 20.
上記下部筒体7の外周には、芯ホルダ部材3を
軸方向に摺動自在に支持する筒状支持部材として
の外筒体21が組付けられている。この外筒体2
1は圧縮コイルバネからなる芯圧スプリング22
を介して芯ホルダ部材3に対して軸方向の芯先端
部に向つて筆圧となる押圧力を付与する作用をな
すものである。 An outer cylinder 21 is attached to the outer periphery of the lower cylinder 7 as a cylindrical support member that supports the core holder member 3 slidably in the axial direction. This outer cylinder body 2
1 is a core pressure spring 22 made of a compression coil spring.
This acts to apply a pressing force, which is a writing pressure, to the lead holder member 3 in the axial direction toward the leading end portion of the lead through the lead holder member 3.
そして、上記構成からなる筆記ブロツク2は上
記外筒体21がソレノイド等を駆動源する昇降機
構23の支持アーム24によつて挾持されること
により、筆記面Gに対して略垂直に保持されるよ
うになつている。 The writing block 2 having the above structure is held substantially perpendicular to the writing surface G by having the outer cylinder body 21 held by the support arm 24 of the elevating mechanism 23 that drives a solenoid or the like. It's becoming like that.
なお、上記外筒体21が支持アーム24によつ
て挾持された時、芯ケース部材12の上部筒体4
Cから突出している部分に固定支持された鍔部材
25が画線ヘツド装置の本体に固定された固定部
材としての固定板26によつて受け止められ芯ケ
ース部材12が上動しないように保持される。ま
た、第3の芯ガイド筒体18に形成された鍔部2
7には画線ヘツド装置の本体に固定された芯ガイ
ドストツパ28が当接し、上記第3のガイド筒体
18の筆記面Gからの高さ位置を規制する。さら
に、芯ホルダ部材3の筐体4の例えば中間部筒体
4Bに設けられた鍔部29には芯摩耗検出プレー
ト30が当接し、この検出プレート30の軸方向
(図中上下方向)の移動量を検出することにより、
芯の摩耗量が検出される。 Note that when the outer cylinder 21 is held between the support arms 24, the upper cylinder 4 of the core case member 12
A collar member 25 fixedly supported on a portion protruding from C is received by a fixing plate 26 as a fixing member fixed to the main body of the printing head device, and the core case member 12 is held so as not to move upward. . In addition, the flange 2 formed on the third core guide cylinder 18
A lead guide stopper 28 fixed to the main body of the printing head device comes into contact with 7 to regulate the height position of the third guide cylinder 18 from the writing surface G. Further, a lead wear detection plate 30 is in contact with a flange 29 provided on, for example, the intermediate cylinder 4B of the housing 4 of the lead holder member 3, and the detection plate 30 is moved in the axial direction (vertical direction in the figure). By detecting the amount
The amount of wear on the core is detected.
芯チヤツク部材9は、第3図に示すように略円
筒状のチヤツクホルダ31内に、下端部がやや膨
出し縦方向に割り溝を有するコレツト部材32を
配して成り、このコレツト部材32をコイルバネ
33により図中上方に付勢するとともに、下端部
に嵌め込まれたリング34によりコレツト部材3
2の上記膨出部の径を縮めるようにして芯1を把
持している。このような芯チヤツク部材9の芯把
持作用については、芯1に対して上方の力が加わ
るとき強固な保持力が働くが、芯1が下方に引か
れるときには弱い保持力となつて芯1は容易に下
方に引き出される。 As shown in FIG. 3, the core chuck member 9 is made up of a roughly cylindrical chuck holder 31 and a collet member 32 with a slightly bulged bottom end and a longitudinal groove. 33 urges the collet member 3 upward in the figure, and a ring 34 fitted into the lower end of the collet member 3
The core 1 is held in such a manner that the diameter of the bulged portion 2 is reduced. Regarding the lead gripping action of the lead chuck member 9, when an upward force is applied to the lead 1, a strong holding force is exerted, but when the lead 1 is pulled downward, a weak holding force is exerted and the lead 1 is easily pulled downwards.
ここで、芯チヤツク部材9が芯1を把持してお
り、この芯1が第3の芯ガイド筒体18内のゴム
リング17に挿通されているときの芯送り出し動
作について説明する。芯チヤツク部材9と第1の
芯ガイド筒体10とが互いに接近するように相対
移動するとき、例えば、芯チヤツク部材9が図中
下方に(あるいは筒体10が図中上方に)移動す
るとき、芯1にはゴムリング17の摺動摩擦力に
よる図中上向きの力が加えられるため、芯1は芯
チヤツク部材9によつて強固に保持され、筒体1
0内を図中下方に摺動する。これに対して、芯チ
ヤツク部材9と筒体10とが互いに離隔するよう
に相対移動するとき、例えば芯チヤツク部材9が
図中上方に(あるいは筒体10が図中下方に)移
動するときには、ゴムリング17の摩擦力による
芯1の保持力よりも芯チヤツク部材9による保持
力の方が小さくなり、芯1はゴムリング17側で
保持固定されて芯チヤツク部材9のみが上方に移
動する。 Here, a description will be given of the core feeding operation when the core chuck member 9 grips the core 1 and the core 1 is inserted through the rubber ring 17 in the third core guide cylinder 18. When the core chuck member 9 and the first core guide cylinder 10 move relative to each other so as to approach each other, for example, when the core chuck member 9 moves downward in the figure (or the cylinder 10 moves upward in the figure) , since an upward force in the figure is applied to the core 1 due to the sliding friction force of the rubber ring 17, the core 1 is firmly held by the core chuck member 9, and the cylindrical body 1
Slide within 0 downward in the figure. On the other hand, when the core chuck member 9 and the cylinder 10 move relative to each other so as to be separated from each other, for example, when the core chuck member 9 moves upward in the figure (or the cylinder 10 moves downward in the figure), The holding force of the core chuck member 9 is smaller than the holding force of the core 1 due to the frictional force of the rubber ring 17, and the core 1 is held and fixed on the rubber ring 17 side, and only the core chuck member 9 moves upward.
このようにして、第1の芯ガイド筒体10に対
して芯チヤツク部材9が軸方向(図中上下方向)
に往復動する毎に、芯1は芯チヤツク部材9より
図中下方に繰り出される。 In this way, the core chuck member 9 is moved in the axial direction (vertical direction in the figure) with respect to the first core guide cylinder 10.
Each time the lead 1 reciprocates, the lead 1 is let out from the lead chuck member 9 downward in the figure.
ところで、第1図は芯1の繰り出し量が一定値
(初期設定値)となつているときの筆記可能状態
(ペンダウン状態)を示している。このとき、第
3の芯ガイド筒体18は鍔部27が芯ガイドスト
ツパ28により支持されることにより、第3の芯
ガイド筒体18の先端と筆記面Gとの距離P分だ
け鉛筆の芯1が突出することになる。外筒体21
は、前述した支持アーム24により筆記面Gより
一定高さ位置、例えば外筒体21の下端が高さQ
となる位置にて保持されており、芯圧スプリング
22を介して芯ホルダ部材3に押圧力が印加され
ている。この押圧力は、芯チヤツク部材9を介し
て芯1に付与され、芯1の下端が筆記面Gの紙等
を押圧していわゆる筆圧が得られる。なお、この
ときの芯ホルダ部材3の筐体4の鍔部29の上端
面の高さRを検出プレート30により検出してお
り、この高さRを検出することにより、実質的に
は芯チヤツク部材9の下端から筆記面Gまでの距
離Sを検出している。 By the way, FIG. 1 shows a writable state (pen down state) when the amount of delivery of the lead 1 is a constant value (initial setting value). At this time, the flange 27 of the third lead guide cylinder 18 is supported by the lead guide stopper 28, so that the lead of the pencil is increased by the distance P between the tip of the third lead guide cylinder 18 and the writing surface G. will stand out. Outer cylinder body 21
is at a certain height from the writing surface G by the support arm 24 mentioned above, for example, the lower end of the outer cylinder 21 is at a height Q
The core holder member 3 is held at a position such that a pressing force is applied to the core holder member 3 via the core pressure spring 22. This pressing force is applied to the lead 1 via the lead chuck member 9, and the lower end of the lead 1 presses against the paper or the like on the writing surface G to obtain so-called writing pressure. At this time, the height R of the upper end surface of the flange 29 of the housing 4 of the lead holder member 3 is detected by the detection plate 30, and by detecting this height R, the lead chuck is substantially The distance S from the lower end of the member 9 to the writing surface G is detected.
そして、筆記動作が行なわれて芯1が摩耗する
と、この芯摩耗量t分だけ芯ホルダ部材3、芯チ
ヤツク部材9、及び芯1が図中下方に送られる。
これは、上記バネ22が外筒体21に対して芯ホ
ルダ部材3を図中下方に押圧しているからであ
り、最終的には例えば第3図に示すように、芯ホ
ルダ部材3の筐体4の鍔部29の下端面が外筒体
21の上端面に当接して係止されるまで上記下方
への送り動作を行ない得る。そして、この第4図
の状態、あるいはこの状態に達する以前に、検出
プレート30によつて上記芯摩耗量tが所定の設
定値(例えば0.5〜1.0mm程度)に達したことを検
出し、筆記動作を中断して筆記不能状態(ペンア
ツプ動作)を強制的に行なわせる。このペンアツ
プ動作は、芯を芯チヤツク部材9より引き出すた
めの動作である。 When the writing operation is performed and the lead 1 is worn, the lead holder member 3, the lead chuck member 9, and the lead 1 are sent downward in the figure by the amount of lead wear t.
This is because the spring 22 presses the core holder member 3 downward in the figure against the outer cylinder body 21, and eventually the casing of the core holder member 3 as shown in FIG. The downward feeding operation can be performed until the lower end surface of the flange 29 of the body 4 comes into contact with the upper end surface of the outer cylinder 21 and is locked. Then, in the state shown in FIG. 4 or before reaching this state, the detection plate 30 detects that the lead wear amount t has reached a predetermined set value (for example, about 0.5 to 1.0 mm), and the writing The operation is interrupted and the pen-up operation is forced. This pen-up operation is an operation for pulling out the lead from the lead chuck member 9.
第5図はペンアツプ状態を示しており、筆記ブ
ロツク2がペンダウン状態からペンアツプ状態に
動作すると、芯ホルダ部材3の筐体4は同図中上
方向に持ち上げられる。この時、芯ケース部材1
2は固定板26により上方に移動しないように支
持されているため、上記筐体4のみが持ち上げら
れることになる。すると、芯チヤツク部材9のコ
レツト部材23は上記筐体4の上昇移動により相
対的に芯ケース部材12の下端によつて下方向に
押し込まれることになり、芯チヤツク部材9は芯
1の挾持動作を解除する。このように、芯チヤツ
ク部材9の芯挾持動作が解除されると、芯ケース
部材12内に収納されている芯1は自重で該ケー
ス部材12の下端に形成されている芯送り出し口
12bから芯チヤツク部材9の芯挿通孔31a内
に下降する。 FIG. 5 shows the pen-up state, and when the writing block 2 moves from the pen-down state to the pen-up state, the housing 4 of the lead holder member 3 is lifted upward in the figure. At this time, core case member 1
2 is supported by the fixing plate 26 so as not to move upward, so only the casing 4 is lifted. Then, the collect member 23 of the lead chuck member 9 is pushed relatively downward by the lower end of the lead case member 12 due to the upward movement of the housing 4, and the lead chuck member 9 performs the clamping operation of the lead 1. Release. In this way, when the lead clamping operation of the lead chuck member 9 is released, the lead 1 housed in the lead case member 12 is released by its own weight from the lead feeding port 12b formed at the lower end of the case member 12. It descends into the core insertion hole 31a of the chuck member 9.
したがつて、筆記ブロツク2のペンアツプ・ダ
ウン動作を繰り返し行なうことにより、芯1を芯
ホルダ部材3内で下方向に引き出すとともに、芯
ケース部材12内の芯1を自動的に芯ホルダ部材
3内に供給することができる。なお、芯チヤツク
部材9を通過し、各芯ガイド筒体10,13,1
8内に位置している芯1は芯チヤツク部材9に送
り込まれた芯1によつて押圧されながら送り出さ
れる。 Therefore, by repeatedly performing the pen up and down operations of the writing block 2, the lead 1 is pulled out downward within the lead holder member 3, and the lead 1 inside the lead case member 12 is automatically moved into the lead holder member 3. can be supplied to In addition, each core guide cylinder 10, 13, 1 passes through the core chuck member 9.
The core 1 located within the core 8 is pushed out while being pressed by the core 1 fed into the core chuck member 9.
このように、上記実施例によれば長さが予め決
められた市販の芯を一本ずつとぎれることなく芯
ホルダ部材3内に自動的に供給することができる
ので、筆記動作中において芯1が無くなるような
事故を極力防ぐことができ、長時間に亘つて円滑
な筆記動作を行なうことができ、また、芯1の補
充回数が少なくて済む。したがつて自動製図機の
ように製図作業を自動で行なうものに対しては優
れた効果を発揮するものである。 In this way, according to the above embodiment, commercially available leads with predetermined lengths can be automatically fed into the lead holder member 3 one by one without being interrupted, so that the lead 1 can be easily supplied during the writing operation. Accidents such as lead 1 running out can be prevented as much as possible, smooth writing operation can be performed for a long time, and the number of times the lead 1 needs to be replenished can be reduced. Therefore, it is highly effective for devices that automatically perform drafting work, such as automatic drafting machines.
さらに、上記実施例によれば、筆記ブロツク2
の芯先端の着地、浮上動作、いわゆるペンダウ
ン、ペンアツプ動作に伴つて芯1の繰り出し動作
が自動的に行なわれるため、芯先端を筆記面Gに
圧接させたまま一筆で描く際の芯摩耗量tが前記
一定の値(例えば0.5〜1mm程度)を越えない限
り強制的な芯1の繰り出し動作は行なわれない。 Furthermore, according to the above embodiment, the writing block 2
The amount of lead wear t when drawing with a single stroke while the lead tip is in pressure contact with the writing surface G is because the feeding operation of lead 1 is automatically performed in conjunction with the landing and floating movements of the lead tip, so-called pen-down and pen-up movements. The core 1 is not forcibly fed out unless it exceeds the above-mentioned certain value (for example, about 0.5 to 1 mm).
また、上記一筆で描く際の芯摩耗量が上記一定
値を越えた場合には、芯ホルダ部材3の筐体4の
筆記面Gからの高さ位置の変化が検出プレート3
0に関連して設けられた例えばフオトインタラプ
タ等より成る位置検出手段により検出され、この
検出出力に応じて、筆記動作を一時的に停止させ
昇降機構23を作動して筆記ブロツク2を上下動
させることにより、芯1の繰り出しが強制的に行
なわれる。そして、この芯繰り出し動作終了後
に、上記一時的に停止した筆記動作を継続させれ
ばよい。この場合、芯摩耗の検出は、筆記動作中
に定常的に行なわれており、この芯摩耗検出のた
めだけに筆記動作を中断させる必要がないことに
注目すべきである。また、芯1の摩耗状態を芯ホ
ルダ部材3の高さ位置移動量により検出している
ため、簡単な構造で芯摩耗量をチエツクでき、し
かも筆記動作中でも芯ホルダ部材3の変位量検出
が連続して行なわれているため、芯摩耗チエツク
のためだけに筆記動作を中断させる必要がない。 In addition, if the amount of lead wear when drawing with one stroke exceeds the above-mentioned certain value, the change in the height position of the lead holder member 3 from the writing surface G of the housing 4 is detected by the detection plate 3.
The writing block 2 is detected by a position detecting means, such as a photo interrupter, provided in connection with the writing block 2, and in response to this detection output, the writing operation is temporarily stopped and the lifting mechanism 23 is activated to move the writing block 2 up and down. As a result, the lead 1 is forcibly fed out. After this lead feeding operation is completed, the temporarily stopped writing operation may be continued. In this case, it should be noted that the detection of lead wear is carried out regularly during the writing operation, and there is no need to interrupt the writing action just to detect this lead wear. In addition, since the wear condition of the lead 1 is detected by the amount of height position movement of the lead holder member 3, the amount of lead wear can be checked with a simple structure, and the amount of displacement of the lead holder member 3 can be continuously detected even during writing operation. Therefore, there is no need to interrupt the writing operation just to check for lead wear.
さらに、筆記動作開始時等において、ペンダウ
ンしても芯ホルダ部材3が外筒体21に対して下
降した位置(例えば第4図参照)に達し、検出プ
レート30が芯摩耗を検出する場合には、何度か
ペンアツプ、ダウン動作を繰り返して芯繰り出し
動作を行なわせ、所定の芯繰り出し量となつた時
に筆記動作を行なわせるようにすればよい。この
場合、ペンアツプ、ダウン動作が所定回数(例え
ば5〜6回程度)行なわれても、所定の芯繰り出
し量に達しない場合に、警報等を発して芯交換を
要求するようにしてもよい。 Furthermore, at the start of a writing operation, etc., even if the pen is down, the lead holder member 3 reaches a lowered position with respect to the outer cylinder 21 (for example, see FIG. 4), and the detection plate 30 detects lead wear. , the pen up and down operations may be repeated several times to perform the lead feeding operation, and when a predetermined amount of lead feeding is reached, the writing operation may be performed. In this case, even if the pen up and down operations are performed a predetermined number of times (for example, about 5 to 6 times), if the predetermined amount of lead delivery is not reached, an alarm may be issued to request replacement of the lead.
このように、本考案によれば筆記ブロツクの昇
降動作により長さが予め決められた市販の芯を一
本ずつ芯ホルダ部材内に自動的に供給することが
できるので、筆記動作中において芯が無くなるよ
うな事故を極力防ぐことができ、長時間に亘つて
円滑な筆記動作を行なうことができ、また、芯の
補充回数が少なくて済む。したがつて、自動製図
機のように製図作業を自動で行なうものに対して
は優れた効果を発揮するものである。
As described above, according to the present invention, commercially available leads with predetermined lengths can be automatically fed into the lead holder member one by one by the lifting and lowering movement of the writing block, so that the leads can be easily supplied during the writing operation. Accidents such as lead loss can be prevented as much as possible, smooth writing operations can be performed over a long period of time, and the number of times the lead needs to be replenished can be reduced. Therefore, it is highly effective for devices that automatically perform drafting work, such as automatic drafting machines.
第1図は本考案の一実施例を示す自動筆記装置
の画線ヘツド装置の要部を示す概略断面図、第2
図は芯ホルダ部材近傍の概略断面図、第3図は芯
チヤツク部材の概略拡大断面図、第4図及び第5
図はそれぞれ筆記ブロツクの異なる動作状態を示
す概略断面図である。
1……芯、2……筆記ブロツク、3……芯ホル
ダ部材、9……芯チヤツク部材、12……芯ケー
ス部材、12b……芯送り出し口、21……外筒
体、23……昇降機構、24……支持アーム、2
6……固定板、31a……芯挿通孔。
FIG. 1 is a schematic sectional view showing the main parts of a drawing head device of an automatic writing device showing one embodiment of the present invention;
The figure is a schematic sectional view of the vicinity of the lead holder member, FIG. 3 is a schematic enlarged sectional view of the lead chuck member, and FIGS.
The figures are schematic sectional views showing different operating states of the writing block. DESCRIPTION OF SYMBOLS 1...Lead, 2...Writing block, 3...Lead holder member, 9...Lead chuck member, 12...Lead case member, 12b...Lead feeding port, 21...Outer cylinder body, 23...Elevating/lowering Mechanism, 24...Support arm, 2
6... Fixed plate, 31a... Core insertion hole.
Claims (1)
体に設けられるとともに、支持アームを画線ヘツ
ド本体に対して昇降駆動する昇降機構と、 上記支持アームによつて昇降可能に支持される
筒状支持部材と、上記筒状支持部材により軸方向
に摺動自在に支持されるとともに該筒状支持部材
との間に筆圧スプリングを介装して筆記面方向に
付勢された筒状芯ホルダ部材と、上記筒状芯ホル
ダ部材の中間部筒体内に一体に設けられたチヤツ
クホルダと、上記チヤツクホルダ内部にスプリン
グを介して支持されたコレツト部材を有し、チヤ
ツクホルダに対する上記コレツト部材の相対移動
により芯の挾持、解除動作を行う芯チヤツク部材
と、複数本の芯が収納可能となされ、上記筒状ホ
ルダ部材の上部筒体内に該筒状ホルダ部材に対し
て相対移動自在に設けられ下端が上記芯コレツト
部材の上端に当接するとともに下端に設けた芯送
り出し口が上記芯コレツト部材の芯挿通口に連通
する芯ケース部材と、上記筒状芯ホルダ部材の下
部筒体内に該筒状ホルダ部材に対して相対移動自
在に設けられるとともに押圧スプリングを介して
筆記面方向に付勢され、挿通される芯先端部を摩
擦保持する芯ガイド部材とを備えてなる筆記ブロ
ツクと、 上記作画ヘツド本体に固定配置され、前記芯ケ
ース部材と係合して該芯ケース部材の上昇移動を
阻止する固定部材と、 上記筆記ブロツクの下降時に上記芯ガイド部材
を係止するように作画ヘツド本体に固定配置され
た芯ガイドストツパとを備えてなる自動筆記装置
であつて、 上記芯チヤツク部材は上記筒状芯ホルダ部材が
上昇したときに芯ケース部材によつてコレツト部
材が下方向に押し込まれることにより上記芯の挾
持動作を解除して芯ケース部内の芯をコレツト部
材の芯挿通孔内へ落下可能とするとともに、上記
筒状芯ホルダ部材が下降した時に芯ケース部材の
押し込みが解除されることにより上記芯を挾持す
るようになされ、上記昇降機構の繰り返し動作に
よる芯先端の筆記面に対する着地圧接、及び浮上
離隔により上記芯ケース部財内に収納されている
複数本の芯を一本づつ自動的に上記芯チヤツク部
財内に送り込むとともに、芯の消耗に応じた芯の
繰り出しを行うことを特徴とする自動筆記装置。[Scope of Claim for Utility Model Registration] An elevating mechanism provided on a printing head body that is movable in the X and Y directions on the drawing surface and that drives a support arm up and down with respect to the printing head main body; and a cylindrical support member that is slidably supported in the axial direction by the cylindrical support member, and a writing pressure spring is interposed between the cylindrical support member and the cylindrical support member that is applied in the direction of the writing surface. The chuck holder includes a biased cylindrical lead holder member, a chuck holder integrally provided within the intermediate cylinder of the cylindrical lead holder member, and a collet member supported within the chuck holder via a spring, and A core chuck member that clamps and releases the core by relative movement of the collet member, and a plurality of cores can be stored in the upper cylinder of the cylindrical holder member, and are movable relative to the cylindrical holder member. a lead case member whose lower end abuts the upper end of the lead collector member and whose lead feed port provided at the lower end communicates with the lead insertion port of the lead collector member; A writing block comprising a lead guide member that is movable relative to the cylindrical holder member, is biased in the direction of the writing surface via a pressure spring, and frictionally holds the leading end of the inserted lead; a fixing member that is fixedly disposed on the drawing head main body and engages with the lead case member to prevent the lead case member from moving upward; a drawing head that locks the lead guide member when the writing block is lowered; An automatic writing device comprising a lead guide stopper fixedly arranged on the main body, wherein the lead chuck member is such that when the cylindrical lead holder member is raised, the collector member is pushed downward by the lead case member. As a result, the clamping operation of the lead is released and the lead in the lead case part can fall into the lead insertion hole of the collect member, and when the cylindrical lead holder member is lowered, the pushing of the lead case member is released. By this, the above-mentioned lead is held between the leads, and the plurality of leads housed in the above-mentioned lead case parts are held one by one by the landing pressure contact of the tip of the lead against the writing surface by the repeated operation of the above-mentioned elevating mechanism, and by floating and separating. An automatic writing device characterized in that the lead is automatically fed into the chuck member and the lead is fed out according to wear of the lead.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17369883U JPS6080996U (en) | 1983-11-11 | 1983-11-11 | automatic writing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17369883U JPS6080996U (en) | 1983-11-11 | 1983-11-11 | automatic writing device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6080996U JPS6080996U (en) | 1985-06-05 |
JPH0214473Y2 true JPH0214473Y2 (en) | 1990-04-19 |
Family
ID=30378331
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17369883U Granted JPS6080996U (en) | 1983-11-11 | 1983-11-11 | automatic writing device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6080996U (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0340638Y2 (en) * | 1985-08-30 | 1991-08-27 | ||
JPS62157000A (en) * | 1985-12-28 | 1987-07-11 | ワイケイケイ株式会社 | Method and device for discharging residual lead of automatic drawing machine |
JPH0425360Y2 (en) * | 1986-09-30 | 1992-06-17 | ||
JP2532592B2 (en) * | 1987-08-21 | 1996-09-11 | グラフテック株式会社 | Recording device using a pencil pen |
JP2589507B2 (en) * | 1987-09-21 | 1997-03-12 | 武藤工業株式会社 | Automatic writing lead feeding device in XY plotter |
JP2589509B2 (en) * | 1987-09-21 | 1997-03-12 | 武藤工業株式会社 | Automatic writing lead feeding device in XY plotter |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5198521A (en) * | 1975-02-15 | 1976-08-30 | ||
JPS575183U (en) * | 1980-06-10 | 1982-01-11 |
-
1983
- 1983-11-11 JP JP17369883U patent/JPS6080996U/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5198521A (en) * | 1975-02-15 | 1976-08-30 | ||
JPS575183U (en) * | 1980-06-10 | 1982-01-11 |
Also Published As
Publication number | Publication date |
---|---|
JPS6080996U (en) | 1985-06-05 |
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