JP2994663B2 - Loom opening forming device - Google Patents
Loom opening forming deviceInfo
- Publication number
- JP2994663B2 JP2994663B2 JP1227099A JP22709989A JP2994663B2 JP 2994663 B2 JP2994663 B2 JP 2994663B2 JP 1227099 A JP1227099 A JP 1227099A JP 22709989 A JP22709989 A JP 22709989A JP 2994663 B2 JP2994663 B2 JP 2994663B2
- Authority
- JP
- Japan
- Prior art keywords
- needle
- solenoid
- yoke
- needles
- movable armature
- 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 - Lifetime
Links
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は織機、とくにジャカード機の開口形成装置の
改良に関する。Description: FIELD OF THE INVENTION The present invention relates to an improvement in an opening forming device for a loom, particularly for a jacquard machine.
（従来の技術） ジャカード機では往復運動するナイフに細索をつない
だ針を係合させ、ナイフを上昇させたときに選択的に針
保持器に針を係合することにより開口（ひ口）を形成し
ている。(Prior Art) In a jacquard machine, a reciprocating knife is engaged with a needle connected to a fine cord, and when the knife is raised, the needle is selectively engaged with a needle holder to open (open) the knife. ) Is formed.
開口を形成する際に針保持器への針の係合は電磁石の
吸着力を利用することが多い（たとえば特開昭61−2253
43号公報、特開昭59−199833号公報、特開昭62−62945
号公報、特開昭59−26543号公報等参照）。In forming the opening, the engagement of the needle with the needle holder often utilizes the attractive force of the electromagnet (for example, see Japanese Patent Application Laid-Open No. 61-2253).
No. 43, JP-A-59-199833, JP-A-62-62945
Reference, JP-A-59-26543, etc.).
（発明が解決すべき課題） ところでこれらはいずれも、針保持器に対する針の係
合が円滑に行われ、かつ電磁石（以下、ソレノイドと称
する。）の吸着力もできるだけ少なくて済むようにする
ため、針の往復運動の過程で針保持器に向けて針を強制
的に曲げるように案内している。(Problems to be Solved by the Invention) By the way, in order to ensure that the engagement of the needle with the needle holder is smoothly performed and that the attraction force of the electromagnet (hereinafter, referred to as a solenoid) is as small as possible, During the reciprocation of the needle, the needle is guided to bend toward the needle holder.
しかし、開口を形成するために針を上下させる過程で
強制的に曲げたり、擦り合ったりすることは、とくに高
速織機にあっては、連続して非常に高速でこれらの運動
を繰り返すことで、針や針保持器の構成要素の摩耗や破
損等の問題を引き起こし、開口形成装置の信頼性を損な
う原因となっている。However, forcibly bending or rubbing in the process of raising and lowering the needle to form an opening, especially in a high-speed loom, by repeating these movements at a very high speed continuously, This causes problems such as abrasion and breakage of the components of the needle and the needle holder, which is a cause of impairing the reliability of the opening forming device.
本発明はこれらの問題を解決することを目的とする。 The present invention aims to solve these problems.
（課題を達成するための手段） そこで本発明は、上下方向に往復運動するナイフと、
このナイフに係合して上下動する針と、針を選択的に上
死点位置に保持する針保持器とからなる織機の開口形成
装置において、針保持器をソレノイドと、ソレノイドの
ヨーク側方に配置され、上端をヨークに固定された板バ
ネと、板バネの下端に装着され、板バネによって上端が
ヨークに当接する可動アーマチャと、可動アーマチャに
接する従動部を備え、ソレノイド通電時に可動アーマチ
ャによって従動部が動かされて突出位置へと回動される
係止爪と、ソレノイド非通電時に板バネの力に抗して従
動部を押して係止爪を退避位置に付勢すると共に、ヨー
クと可動アーマチャ下端の間に間隙を与えるスプリング
とにより構成するとともに、針の上端に前記係止爪と係
合する縦長の係止孔を設け、かつ、針保持器の下部に針
を係止爪に向けて摺動自由に案内する案内部材を配置し
た。(Means for Achieving the Object) Accordingly, the present invention provides a knife that reciprocates vertically.
In an opening forming apparatus for a loom, comprising a needle which moves up and down by engaging with the knife, and a needle holder which selectively holds the needle at a top dead center position, the needle holder is connected to a solenoid and a yoke side of the solenoid. A leaf spring having an upper end fixed to the yoke, a movable armature mounted on the lower end of the leaf spring, and having an upper end in contact with the yoke by the leaf spring, and a driven portion contacting the movable armature. A locking claw that is rotated by the driven portion by the driven portion to the protruding position, and a biasing portion that presses the driven portion against the force of the leaf spring when the solenoid is de-energized to urge the locking claw to the retracted position; A spring that provides a gap between the lower ends of the movable armatures, a vertically long locking hole that engages with the locking claw is provided at the upper end of the needle, and the needle is provided on the locking claw at the lower part of the needle holder. Towards It was placed a guide member for moving freely guide.
（作用） ナイフの上死点付近で、ソレノイドに通電されると可
動アーマチャを介して係止爪が突出位置まで回動し、針
と係合する。その後、ナイフが下降しても針は上昇位置
に保持される。(Operation) When the solenoid is energized in the vicinity of the top dead center of the knife, the locking claw rotates to the projecting position via the movable armature and engages with the needle. Thereafter, even when the knife is lowered, the needle is held at the raised position.
ソレノイドに通電しないときは、係止爪は退避位置に
スプリングで保持され、この場合は上昇した針はナイフ
と共に再び下降する。When the solenoid is not energized, the locking claw is held in the retracted position by a spring, and in this case, the raised needle is lowered again together with the knife.
ソレノイドに対する通電を制御することにより、針の
動きに応じて開口（ひ口）を形成する。By controlling the energization of the solenoid, an opening (mouth) is formed according to the movement of the needle.
（実施例） 第１図〜第５図に示す実施例について説明する。(Example) An example shown in Figs. 1 to 5 will be described.
針保持器20は針2,2を上死点位置で選択的に保持する
もので、ソレノイド５と一対の係止爪6,6を備えて、ケ
ース４を介して基板10に取付けられている。The needle holder 20 selectively holds the needles 2, 2 at the top dead center position, and includes a solenoid 5 and a pair of locking claws 6, 6, and is attached to the substrate 10 via the case 4. .
針保持器20の下部にはナイフ1,1に係合されて上下動
する針2,2を案内するための針案内部材３が配置され
る。A needle guide member 3 for guiding the needles 2, 2 which move up and down while being engaged with the knives 1, 1 is arranged below the needle holder 20.
前記針保持器20のソレノイド５は、ソレノイドコイル
5aへの通電によりヨーク（鉄心）5dに吸着される双頭型
の可動アーマチャ5bが薄い板バネ5c、5cに連結される。
ソレノイド５のヨーク5dに吸着されないときは可動アー
マチャ5bとヨーク5dの間に間隙が存在する。その間隙は
下記に示す可動アーマチャ5bに常時接する従動部6bによ
り与えられる。また、この可動アーマチャ5bは板バネに
よって上端がヨーク5dに当接し、かつ、その接触点を中
心に可動アーマチャ5bが回動できるようになっている。
これにより安定した吸引力を得られるようになってい
る。The solenoid 5 of the needle holder 20 has a solenoid coil
The double-headed movable armature 5b that is attracted to the yoke (iron core) 5d by energizing the 5a is connected to the thin leaf springs 5c, 5c.
When the yoke 5d of the solenoid 5 is not attracted, a gap exists between the movable armature 5b and the yoke 5d. The gap is provided by a driven portion 6b which is always in contact with a movable armature 5b described below. The upper end of the movable armature 5b is in contact with the yoke 5d by a leaf spring, and the movable armature 5b can rotate around the contact point.
Thereby, a stable suction force can be obtained.
このアーマチャ5bに対応して、支持軸７を中心にして
回動する係止爪6,6が設けられ、係止爪6,6の回動先端に
は前記針2,2の縦長の係止孔2aに係合する爪部6aが形成
される一方、回動他端にはアーマチャ5bと接触する従動
部6bが形成される。また、この係止爪6,6は板バネ5cの
力に抗するスプリング８によって爪部6aが引き込まれる
ように付勢される。Corresponding to the armature 5b, locking pawls 6, 6 are provided which rotate around the support shaft 7, and the rotating tips of the locking pawls 6, 6 are used to hold the needles 2, 2 in a vertically long position. A claw portion 6a that engages with the hole 2a is formed, while a driven portion 6b that contacts the armature 5b is formed at the other end of the rotation. The locking claws 6, 6 are urged by the spring 8 against the force of the leaf spring 5c so that the claw portion 6a is retracted.
これらを収めたケース４は基板10の所定位置に対し
て、基板10に突設した弾性体で作られたＵ字型のピン端
子10aを介して着脱可能に係止される。The case 4 containing these is detachably locked to a predetermined position of the substrate 10 via a U-shaped pin terminal 10a made of an elastic body protruding from the substrate 10.
一対の係止爪6,6の部分に針2,2を導くために、案内部
材３には一対の案内溝3aが形成され、この案内溝3aはケ
ース４に形成した案内溝4aと連続して、針2,2を折り曲
げたりすることなく、真っ直ぐに上下方向に摺動自由に
案内する。A pair of guide grooves 3a are formed in the guide member 3 for guiding the needles 2, 2 to the pair of locking claws 6, 6, and the guide grooves 3a are continuous with the guide grooves 4a formed in the case 4. Thus, the needles 2, 2 are guided straight and vertically slidably without bending.
案内部材３は基板10の下部の案内取付板11に取付固定
される。The guide member 3 is mounted and fixed to a guide mounting plate 11 below the substrate 10.
これらの下部において、織機の回転に連動して上下方
向に同期的に往復運動する一対のナイフ1,1が配置され
る（ただしこの図は説明の便宜上織機の一部を示すもの
で、実際には針保持器20、針2,2、ナイフ1,1等はこれら
を各１組として、多数組が並列されている）。Below these, a pair of knives 1, 1 reciprocating vertically in synchronization with the rotation of the loom are arranged (however, this figure shows a part of the loom for convenience of explanation, The needle holder 20, the needles 2, 2, the knives 1, 1 and the like each have one set, and a large number of sets are arranged in parallel.)
各針2,2の下端の係止溝2bには細索９が係止され、針
2,2と共に上下動し、これにより開口（ひ口）を形成す
る。The cord 9 is locked in the locking groove 2b at the lower end of each needle 2, 2.
It moves up and down together with 2 and 2, thereby forming an opening (hip).
以上のように構成され、次ぎに作用について説明す
る。The configuration is as described above, and the operation will be described next.
第３図は針2,2を針保持器20に係合しない場合であっ
て、ナイフ1,1と共に針2,2が上昇し、その上死点付近で
は針2,2の縦長の係止孔2aは係止爪6,6の位置までくる。
しかしソレノイド５に通電されなければ、係止爪6,6は
針2,2の往復軌道上から退避した位置にあり、針2,2とは
係合せず、この場合はナイフ1,1の下降に伴い針2,2も下
降する。FIG. 3 shows a case where the needles 2, 2 are not engaged with the needle holder 20, in which the needles 2, 2 rise together with the knives 1, 1, and near the top dead center, the needles 2, 2 are vertically locked. The hole 2a reaches the position of the locking claws 6,6.
However, if the solenoid 5 is not energized, the locking claws 6, 6 are in a position retracted from the reciprocating path of the needles 2, 2 and do not engage with the needles 2, 2, in which case the knife 1, 1 is lowered. As a result, the hands 2 and 2 also move down.
これに対して、針2,2が上死点付近に到達する所定の
タイミングでソレノイド５に通電すると、可動アーマチ
ャ5bがヨーク5dに吸着され、このとき係止爪6,6をスプ
リング８に抗して回動させる。この結果、爪部6aが支持
軸７を中心にして針2,2の軌道上に突出し、第４図に示
すように係止孔2aに突入する。なお、係止爪6,6の突入
時には確実に針2,2と係合し、かつ退避時は針2,2と干渉
することのない所定の間隔を保持するように予め設定し
ておく。On the other hand, when the solenoid 5 is energized at a predetermined timing when the needles 2, 2 reach the vicinity of the top dead center, the movable armature 5b is attracted to the yoke 5d, and the locking claws 6, 6 resist the spring 8 at this time. And rotate it. As a result, the claw portion 6a protrudes on the track of the needles 2, 2 around the support shaft 7, and protrudes into the locking hole 2a as shown in FIG. In addition, it is set in advance so that the locking claws 6, 6 are securely engaged with the needles 2, 2 when they enter, and at the time of retreat, a predetermined interval that does not interfere with the needles 2, 2 is maintained.
次いでナイフ1,1が上死点位置より下降していくと、
針2,2は係止爪6,6に係合しているため、その位置に留ど
まり、ナイフ1,1のみが下降する。このようにして針2,2
が係止爪6,6に係合された後ソレノイド５への通電を停
止する。Next, when the knives 1,1 descend from the top dead center position,
Since the needles 2, 2 are engaged with the locking claws 6, 6, they remain at that position, and only the knives 1, 1 are lowered. Thus, the needle 2,2
After the is engaged with the locking claws 6, 6, the power supply to the solenoid 5 is stopped.
この場合、係止爪6,6には針2,2及び細索９の張力がか
かっているため、図示するように係合状態をそのまま保
持する。In this case, since the hooks 6, 6 are under tension of the needles 2, 2 and the cords 9, the engaged state is maintained as shown.
針2,2と係止爪6,6との係合の解除は、ナイフ1,1が上
死点付近まで上昇したときにソレノイド５への通電を停
止しておくとにより行う。The engagement between the needles 2, 2 and the locking claws 6, 6 is released by stopping the energization of the solenoid 5 when the knife 1, 1 rises to near the top dead center.
ナイフ1,1の上昇により上死点付近で針2,2がわずかに
引き上げられると、係止爪6,6にかかっていた引っ張り
力が解消されるため、係止爪6,6はスプリング８の反発
力で係止孔2aから退避し、第３図の状態になる。When the needles 2, 2 are slightly lifted near the top dead center due to the rise of the knives 1, 1, the pulling force applied to the locking claws 6, 6 is released, so that the locking claws 6, 6 are 3 retreats from the locking hole 2a due to the repulsion force, and the state shown in FIG. 3 is obtained.
したがって拘束を解かれた針2,2は、ナイフ1,1と一緒
に下降する。Thus, the released needles 2,2 descend together with the knives 1,1.
これに対して針2,2と係止爪6,6の係合を継続するに
は、ナイフ1,1が上死点付近まで上昇したときにソレノ
イド５に通電し、可動アーマチャ5bをヨーク5dに吸着す
る。この場合は針2,2の負荷が解除されても、係止爪6,6
が突出位置にあるため、依然として針2,2との係合を維
持する。したがってナイフ1,1が下降しても針2,2は残
り、この後にソレノイド５への通電を停止しても前記と
同様に針2,2は上昇位置に保持される。On the other hand, to continue the engagement between the needles 2, 2 and the locking claws 6, 6, when the knife 1, 1 rises to near the top dead center, the solenoid 5 is energized, and the movable armature 5b is moved to the yoke 5d. Adsorb to. In this case, even if the load on the needles 2 and 2 is released, the locking claws 6 and 6
Is still in engagement with the needles 2, 2 since it is in the extended position. Therefore, even if the knives 1 and 1 are lowered, the hands 2 and 2 remain, and even if the power supply to the solenoid 5 is stopped thereafter, the hands 2 and 2 are held at the raised position in the same manner as described above.
これらの動作を予め設定されたプログラムにしたがっ
てコンピュータ等によりソレノイド５の動きを制御すれ
ば、針2,2につながる細索９の動きにもとづいて開口
（ひ口）が形成されるのである。If the operation of the solenoid 5 is controlled by a computer or the like according to a preset program for these operations, an opening (mouth) is formed based on the movement of the cord 9 connected to the needles 2, 2.
ところで、これら一連の運動中に針2,2は案内部材３
の案内溝3a、4aに沿っての上下動を繰り返すのみで、従
来のように電磁石の方向に強制的に曲げられたり、擦り
合ったりしないため、高速運転しても針2,2を摩耗や破
損から保護することができる。By the way, during these series of movements, the needles 2
It only repeats up and down movement along the guide grooves 3a, 4a, but does not bend or rub in the direction of the electromagnet as in the past, so that the needles 2, 2 may wear out even at high speed operation. Can be protected from damage.
また、この実施例によれば、１つのアーマチャ5bによ
って２つの係止爪6,6を同時に作動させることができ
る。また、基板10にはプリント配線をしておき、そこに
ピン端子10aを圧着させて針保持器20を取付けているの
で、基板10に対する取り付け、取り外しが容易に行え、
また部品交換時には基板10ごと針保持器20を取り外して
交換することもできる。Further, according to this embodiment, the two locking claws 6, 6 can be simultaneously operated by one armature 5b. Also, printed wiring is provided on the substrate 10, and the pin terminals 10a are crimped thereon and the needle holder 20 is attached, so that attachment and detachment to the substrate 10 can be easily performed,
Further, at the time of component replacement, the needle holder 20 can be removed and replaced together with the substrate 10.
なお、ソレノイド５の吸着時にアーマチャ5bとヨーク
5dとの曲に適度な隙間を設けることにより、残留磁気を
小さくして、作動の安定性を向上させられる。When the solenoid 5 is attracted, the armature 5b and the yoke 5
By providing an appropriate gap in the music with 5d, the residual magnetism can be reduced and the operation stability can be improved.
（発明の効果） 以上のように本発明によれば、針にはその往復運動中
に曲げや擦り合せ力が作用することがないため、摩耗や
破損が少なく、耐久性や信頼性を著しく改善することが
できる。(Effects of the Invention) As described above, according to the present invention, since no bending or rubbing force acts on the needle during its reciprocating motion, wear and breakage are small, and durability and reliability are significantly improved. can do.
第１図は本発明の実施例の要部正面図、第２図はそのＡ
−Ａ線断面図、第３図、第４図はそれぞれ作動状態を説
明するＡ−Ａ線断面図、第５図は第１図のＢ−Ｂ線断面
図である。 １……ナイフ、２……針、３……案内部材、3a……案内
溝、５……ソレノイド、5b……アーマチャ、5d……ヨー
ク、６……係止爪、８……スプリング、10……基板、20
……針保持器。FIG. 1 is a front view of an essential part of an embodiment of the present invention, and FIG.
FIG. 3 is a cross-sectional view taken along the line AA for explaining the operation state, and FIG. 5 is a cross-sectional view taken along the line BB of FIG. 1 ... knife, 2 ... needle, 3 ... guide member, 3a ... guide groove, 5 ... solenoid, 5b ... armature, 5d ... yoke, 6 ... locking claw, 8 ... spring, 10 ...... board, 20
... Needle holder.
フロントページの続き (58)調査した分野(Int.Cl.6，ＤＢ名) D03C 3/20 Continuation of front page (58) Field surveyed (Int.Cl. 6 , DB name) D03C 3/20
Claims (1)
イフに係合して上下動する針と、針を選択的に上死点位
置に保持する針保持器とからなる織機の開口形成装置に
おいて、針保持器をソレノイドと、ソレノイドのヨーク
側方に配置され、上端をヨークに固定された板バネと、
板バネの下端に装着され、板バネによって上端がヨーク
に当接する可動アーマチャと、可動アーマチャに接する
従動部を備え、ソレノイド通電時に可動アーマチャによ
って従動部が動かされて突出位置へと回動される係止爪
と、ソレノイド非通電時に板バネの力に抗して従動部を
押して係止爪を退避位置に付勢すると共に、ヨークと可
動アーマチャ下端の間に間隙を与えるスプリングとによ
り構成するとともに、針の上端に前記係止爪と係合する
縦長の係止孔を設け、かつ、針保持器の下部に針を係止
爪に向けて摺動自由に案内する案内部材を配置したこと
を特徴とする織機の開口形成装置。1. An opening forming apparatus for a loom comprising a knife reciprocating in a vertical direction, a needle engaged with the knife to move up and down, and a needle holder for selectively holding the needle at a top dead center position. , The needle holder and the solenoid, a leaf spring disposed on the yoke side of the solenoid, the upper end is fixed to the yoke,
A movable armature is provided at the lower end of the leaf spring, the upper end of which is in contact with the yoke by the leaf spring, and a driven portion which is in contact with the movable armature. When the solenoid is energized, the driven portion is moved by the movable armature and turned to the projecting position. A locking claw, and a spring that presses the driven portion against the force of the leaf spring when the solenoid is not energized to urge the locking claw to the retracted position and provides a gap between the yoke and the lower end of the movable armature. That a vertically long locking hole for engaging with the locking claw is provided at the upper end of the needle, and a guide member that guides the needle slidably toward the locking claw is provided at a lower portion of the needle holder. An opening forming device for a loom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1227099A JP2994663B2 (en) | 1989-09-01 | 1989-09-01 | Loom opening forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1227099A JP2994663B2 (en) | 1989-09-01 | 1989-09-01 | Loom opening forming device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0390646A JPH0390646A (en) | 1991-04-16 |
| JP2994663B2 true JP2994663B2 (en) | 1999-12-27 |
Family
ID=16855475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1227099A Expired - Lifetime JP2994663B2 (en) | 1989-09-01 | 1989-09-01 | Loom opening forming device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2994663B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2830683B2 (en) * | 1992-09-11 | 1998-12-02 | トヨタ自動車株式会社 | Rotary atomizing electrostatic coating equipment |
| BE1010134A3 (en) * | 1996-04-10 | 1998-01-06 | Wiele Michel Van De Nv | Gaap training device for a textile machine. |
| BE1010133A3 (en) * | 1996-04-10 | 1998-01-06 | Wiele Michel Van De Nv | Gaap training device for a textile machine. |
| CN205775063U (en) * | 2016-05-31 | 2016-12-07 | 崔如奎 | The electromagnetic valve of high speed jacquard machine |
-
1989
- 1989-09-01 JP JP1227099A patent/JP2994663B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0390646A (en) | 1991-04-16 |
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