JP2003192233A - Disconnection detecting device - Google Patents

Disconnection detecting device

Info

Publication number
JP2003192233A
JP2003192233A JP2001393922A JP2001393922A JP2003192233A JP 2003192233 A JP2003192233 A JP 2003192233A JP 2001393922 A JP2001393922 A JP 2001393922A JP 2001393922 A JP2001393922 A JP 2001393922A JP 2003192233 A JP2003192233 A JP 2003192233A
Authority
JP
Japan
Prior art keywords
wire
rotating roller
disconnection
detecting
detected
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.)
Granted
Application number
JP2001393922A
Other languages
Japanese (ja)
Other versions
JP3705359B2 (en
Inventor
Nobuyuki Takemoto
信之 竹本
Kosuke Takemoto
康介 竹本
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.)
Denshi Kk Fa
FA DENSHI KK
Original Assignee
Denshi Kk Fa
FA DENSHI KK
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 Denshi Kk Fa, FA DENSHI KK filed Critical Denshi Kk Fa
Priority to JP2001393922A priority Critical patent/JP3705359B2/en
Publication of JP2003192233A publication Critical patent/JP2003192233A/en
Application granted granted Critical
Publication of JP3705359B2 publication Critical patent/JP3705359B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

<P>PROBLEM TO BE SOLVED: To solve the problem that conventionally it is difficult to accurately determine disconnection in a limit switch type disconnection detecting structure or in a structure for detecting the disconnection by detecting a number of revolutions of a rotating roller. <P>SOLUTION: A means 14 for abutting and energizing the rotating roller 4 so that the rotating roller 4 rotates along with movements of a wire 1 in a halfway of a feeding passage of a moving material such as the wire 1 and detecting rotation of the rotating roller, and a means for detecting position displacement of the rotating roller 4 are constituted by an identical member. Thereby the movement and disconnection of the wire can be detected. A supporting part of the rotating roller 4 is constituted by a spring material. A rotation signal is detected only when a pressure accompanied by the movements of the wire is generated on the spring material of the rotating roller 4. <P>COPYRIGHT: (C)2003,JPO

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【発明の属する技術分野】本発明は線材や帯材やシート
材等の移動動作と断線を同時に検知できる装置に関す
る。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device capable of simultaneously detecting a wire rod, a band member, a sheet member, and the like, as well as their movement and disconnection.

【0002】[0002]

【従来の技術】従来から糸やワイヤー等の線材、また
は、帯や紙やフィルム等のシート材を巻いた一方のボビ
ンから、他方のボビンに巻き替えたり、製造された、ま
たは、製造する線材又はシート材をボビンに巻き取った
り、巻き戻したりする時に、線材又はシート材の送りを
監視するために、センサーがその搬送経路途中に配置さ
れている。この移動される線材等の断線を検知する最も
単純なものとして、リミットスイッチがあり、このリミ
ットスイッチは線材を押圧している時にONとなり、線
材が切断してなくなるとOFFとなるものである。ま
た、線材のガイドローラの回転部に回転数センサーを配
置して、回転数が一定値以下、つまり、送り速度が異常
に低くなると断線したと判断するようにしていた。例え
ば実開平2−45487の技術である。その他、線材の
移動経路途中に近接センサーを配置して、線材の有無を
検知する技術もある。
2. Description of the Related Art Conventionally, a wire rod such as a wire rod such as a thread or a wire, or a bobbin wound from a band material such as a band, a paper or a film, or a bobbin which is rewound or manufactured into another bobbin. Alternatively, in order to monitor the feeding of the wire material or the sheet material when winding or rewinding the sheet material on the bobbin, a sensor is arranged in the middle of the conveying path. The simplest one for detecting the disconnection of the moved wire rod is a limit switch. The limit switch is turned on when the wire rod is pressed and turned off when the wire rod is not cut. Further, a rotation speed sensor is arranged in the rotating portion of the guide roller of the wire rod, and it is determined that the wire breaks when the rotation speed is a certain value or less, that is, the feeding speed becomes abnormally low. For example, it is the technology of Jitsukaihei 2-45487. In addition, there is also a technique of arranging a proximity sensor on the way of movement of the wire to detect the presence or absence of the wire.

【0003】[0003]

【発明が解決しようとする課題】このような従来の技術
で断線を検知する構成では、リミットスイッチを用いる
場合には、巻き付いたり押圧されていると確実な断線が
検知できない。また、回転ローラ型の技術では、その動
作周期にのみ着目する装置であったために慣性等による
応答の遅れがあった。つまり、線材の場合において、断
線等の異常が発生すると、線材の回転を検知する回転ロ
ーラとの間の接触圧がなくなるが、回転ローラはしばら
くの間それ自身が有する慣性によって回転を続ける。こ
のことは摩擦抵抗の小さい良好な回転ローラほど回転を
続ける時間は長くなり、回転速度の低下も小さい。更
に、撚合装置や巻取装置等では、張力変動が発生してい
るために回転数にも多少変化が生じているため、断線し
てから回転数センサーにより断線と判断するまでに応答
遅れが発生する。この応答遅れの間、繰り出し装置や巻
取り装置は駆動され続けることになり、その線材が散乱
したり、絡んだりする原因となって、不具合が生じてい
た。また、電線等の撚合装置においては断線した線が不
足したまま撚合装置に巻き込まれるので、修正が煩雑と
なっていた。さらに、標準的に利用されているリミット
スイッチ等での断線検知では、接点不良や正常な状態を
保持したまま断線する可能性があるため確実な断線検知
ができない。撚合装置等においては撚るべき線のうち1
本でも欠損すれば製品としては不良品となるため、断線
を検知できずに生産を継続したことによる損害は莫大な
ものになる。そこで、本発明は線材の移動を検知すると
ともに、断線が生じると応答遅れが極小となるような検
知装置を提供しようとする。
In the structure for detecting disconnection by the conventional technique as described above, when the limit switch is used, a reliable disconnection cannot be detected if the limit switch is wound or pressed. Further, in the rotary roller type technology, there is a delay in response due to inertia and the like because the device focuses only on its operation cycle. That is, in the case of a wire rod, when an abnormality such as a wire breakage occurs, the contact pressure with the rotating roller that detects the rotation of the wire rod disappears, but the rotating roller continues to rotate for some time due to its own inertia. This means that the better the rotating roller having the smaller frictional resistance, the longer the rotation continues, and the smaller the decrease in the rotating speed. Furthermore, in the twisting device and the winding device, there is a slight change in the number of revolutions due to tension fluctuations.Therefore, there is a delay in the response from the disconnection to the determination of disconnection by the revolution sensor. Occur. During this delay in response, the feeding device and the winding device are continuously driven, which causes the wire rod to be scattered or entangled, resulting in a defect. Further, in a twisting device for electric wires and the like, the broken wire is caught in the twisting device while being insufficient, so that the correction is complicated. Further, in the wire breakage detection using a standardly used limit switch or the like, there is a possibility of wire breakage while maintaining a contact failure or a normal state, so that the wire breakage detection cannot be performed reliably. One of the wires to be twisted in a twisting device, etc.
If even a book is missing, it will be a defective product, and the damage caused by continuing production without being able to detect disconnection will be enormous. Therefore, the present invention aims to provide a detection device that detects movement of a wire rod and minimizes response delay when a wire break occurs.

【0004】[0004]

【課題を解決するための手段】本発明の解決しようとす
る課題は以上の如くであり、次に該課題を解決する為の
手段を説明する。即ち、請求項1の如く、線材等の移動
材の搬送経路途中に、回転ローラが前記線材等の移動と
ともに回転するように接触付勢して配置し、該回転ロー
ラの回転を検知する手段と、その回転ローラの位置変位
を検知する手段を同一部材で構成し、前記線材等の移動
と断線を検知可能としたものである。
The problems to be solved by the present invention are as described above. Next, the means for solving the problems will be described. That is, as in claim 1, a means for detecting the rotation of the rotating roller is provided in the middle of the conveying path of the moving material such as the wire rod so that the rotating roller is contact-biased so as to rotate with the movement of the wire. The means for detecting the positional displacement of the rotating roller is composed of the same member, and the movement and disconnection of the wire or the like can be detected.

【0005】また、請求項2の如く、前記回転ローラの
支持部をバネ材で構成し、前記回転ローラに線材等の移
動に伴う圧力がバネ材に生じているときのみ回転信号を
検知するようにしたものである。
According to a second aspect of the present invention, the support portion of the rotary roller is made of a spring material, and the rotation signal is detected only when the pressure due to the movement of the wire or the like is generated in the spring material on the rotary roller. It is the one.

【0006】[0006]

【発明の実施の形態】以下に本発明の実施形態につい
て、図面を用いて詳細に説明する。図1は本発明の第一
実施例の断線検知装置の正面図、図2は第二実施例の断
線検知装置の正面図、図3は第三実施例の断線検知装置
の側面図、図4は同じく正面図、図5は第四実施例の断
線検知装置の正面図、図6は同じく側面図である。
BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described in detail below with reference to the drawings. 1 is a front view of a disconnection detecting device of a first embodiment of the present invention, FIG. 2 is a front view of a disconnection detecting device of a second embodiment, FIG. 3 is a side view of a disconnection detecting device of a third embodiment, and FIG. Is also a front view, FIG. 5 is a front view of the disconnection detecting device of the fourth embodiment, and FIG. 6 is a side view of the same.

【0007】図1において被検知物として線材の場合に
ついて説明する。本発明の断線検知装置は、一方、例え
ば繰出ボビンから、他方、例えば巻取りボビンへ搬送さ
れる線材1の搬送経路途中にガイドプーリー2とガイド
プーリー3が配設されて、該ガイドプーリー2とガイド
プーリー3の間に回転ローラ4が配置されて、このガイ
ドプーリー2・3と回転ローラー4によって線材1がガ
イドされる。
A case where a wire is used as the object to be detected in FIG. 1 will be described. The wire breakage detection device of the present invention is provided with a guide pulley 2 and a guide pulley 3 in the middle of a conveying path of a wire rod 1 conveyed from, for example, a feeding bobbin to the other, for example, a winding bobbin, and the guide pulley 2 and The rotary roller 4 is arranged between the guide pulleys 3, and the wire rod 1 is guided by the guide pulleys 2 and 3 and the rotary roller 4.

【0008】該回転ローラ4はウエイトダンサの一部を
構成しており、この回転ローラ4はアーム5の先端に回
転自在に枢支され、該アーム5の中途部は枢支軸6によ
ってフレーム7に回転自在に枢支され、アーム5の他端
にはウエイト9が挿入されて、ナット10・10によっ
て位置調整可能に固定できるようにしている。但し、前
記ウエイトの代わりにバネ15で引っ張り、該バネ15
の他端を位置調整するように構成することもできる。そ
して、前記枢支軸6に角度センサー11を設けて、アー
ム5の角度を検出し、その検出値をコントローラ12に
入力している。従って、前記ウエイト9の位置を調節す
ることによって、テコの原理によって、線材1の搬送時
の張力を調整でき、また、線材1を搬送する時に張力変
動があると上下動するが、その上下動を角度センサー1
1によって検知して、コントローラ12によって回転ロ
ーラ4の位置が一定となるように、巻取り用のモーター
19を駆動して、張力が一定となるように制御してる。
The rotary roller 4 constitutes a part of a weight dancer, and the rotary roller 4 is rotatably supported by the tip of an arm 5, and the middle part of the arm 5 is supported by a pivot shaft 6 on a frame 7. The arm 9 is rotatably supported by a weight, and a weight 9 is inserted into the other end of the arm 5 so that the weight can be fixed by a nut 10. However, instead of the weight, a spring 15 is used to pull the spring 15
It can also be configured to adjust the other end of the. An angle sensor 11 is provided on the pivot shaft 6 to detect the angle of the arm 5, and the detected value is input to the controller 12. Therefore, by adjusting the position of the weight 9, it is possible to adjust the tension when the wire rod 1 is conveyed by the lever principle, and when the wire rod 1 is conveyed, the tension moves up and down, but the vertical movement The angle sensor 1
1 and the controller 12 drives the winding motor 19 so that the position of the rotary roller 4 becomes constant and controls the tension so that the tension becomes constant.

【0009】そして、本発明の要部である線材1の断線
と移動を検知するために前記回転ローラ4が検知装置の
一部として利用されている。つまり、回転ローラ4の外
周または外周の側面には磁石13・13・・・が一定間
隔をおいて設けられ、または一つ設けられ、該回転ロー
ラ4の側方又は下方のアーム5の回転に邪魔にならない
位置に、前記磁石13と対向するようにホール素子また
は磁気抵抗素子等からなる磁気検出センサー14を配置
して、磁石13の回転を検知して、線材が断線したとき
には磁石13の偏位を検知するようにしている。但し、
前記角度センサー11を廃止してウエイトダンサを構成
せず、張力制御を行わず、単に、移動と断線を検知する
のみに使用する構成とすることもできる。
The rotating roller 4 is used as a part of the detecting device in order to detect the disconnection and movement of the wire 1 which is an essential part of the present invention. That is, the magnets 13, 13, ... Are provided at regular intervals on the outer circumference of the rotary roller 4 or on the side surface of the outer circumference, or one magnet 13 is provided to rotate the arm 5 laterally or downwardly of the rotary roller 4. A magnetic sensor 14 composed of a Hall element or a magnetoresistive element is arranged so as not to interfere with the magnet 13 so as to detect the rotation of the magnet 13 and detect the deviation of the magnet 13 when the wire breaks. I try to detect the position. However,
The angle sensor 11 may be omitted and a weight dancer may not be configured, tension control may not be performed, and the angle sensor 11 may be used only for detecting movement and disconnection.

【0010】このような構成において、線材1が搬送さ
れていると、ウエイト9の重量(又はバネ15の付勢
力)によって押さえつけられた回転ローラ4が回転し
て、磁気検出センサー14が磁石13の通過を検知し
て、パルス状の入力がコントローラ12に入力され、線
材1が移動していることを検知する。そして、このパル
ス数をカウントすることによりコントローラ12で移動
速度が演算される。そして、断線が生じると、回転ロー
ラ4は押さえるものがなくなってウエイト9の自重によ
ってアーム5が回動して、回転ローラ4が上方へ移動
し、磁気検出センサー14と対向する位置から磁石13
が離れてコントローラ12への入力がなくなり、断線と
して検知する。このとき、前記回転ローラ4のアーム5
の支持部の角度を角度センサー11で検知しているの
で、前記回転ローラ4に線材1等の移動に伴う圧力がバ
ネ材に生じているときのみ回転信号を検知してコントロ
ーラ12に入力しおり、断線するとアーム5はウエイト
9の重さ(またはバネ15のバネ力)で上方に回動し
て、その角度は設定角度以上となり断線として検知して
警報を発し、または、モーター19を停止させるのであ
る。なお、回転ローラ4は慣性で回転するが磁気検出セ
ンサー14はその回転を検知できないので、速やかに断
線であると検知できる。従って両センサーの値により確
実に断線であることが判る。
In such a structure, when the wire rod 1 is conveyed, the rotary roller 4 pressed by the weight of the weight 9 (or the urging force of the spring 15) is rotated, and the magnetic detection sensor 14 moves to the magnet 13. When the passage is detected, a pulsed input is input to the controller 12, and it is detected that the wire rod 1 is moving. Then, the controller 12 calculates the moving speed by counting the number of pulses. When the wire breaks, there is nothing to press the rotating roller 4, and the arm 5 is rotated by the weight of the weight 9 to move the rotating roller 4 upward, and the magnet 13 is moved from the position facing the magnetic sensor 14.
Is separated and the input to the controller 12 is lost, and it is detected as a disconnection. At this time, the arm 5 of the rotating roller 4
Since the angle sensor 11 detects the angle of the supporting portion of the above, the rotation signal is detected and input to the controller 12 only when the pressure due to the movement of the wire rod 1 or the like on the rotating roller 4 is generated in the spring member. When the wire is broken, the weight 5 of the weight 9 (or the spring force of the spring 15) rotates upward, and the angle becomes equal to or larger than the set angle, and the wire is detected as a wire break and an alarm is issued, or the motor 19 is stopped. is there. It should be noted that the rotating roller 4 rotates due to inertia, but the magnetic detection sensor 14 cannot detect the rotation, so that it can be promptly detected as a disconnection. Therefore, it can be understood from the values of both sensors that there is a reliable disconnection.

【0011】また、移動と断線を検知するために磁石1
3と磁気検出センサー14を用いる代わりに光センサー
を用いることも可能であり、例えば、反射型の場合には
回転ローラ4の外周又は側面に一定間隔をおいて同じ大
きさの反射板を設け、該反射板に対向して発光素子と受
光素子を配置して、反射板で反射された光を検知して、
移動と断線を検知するようにできる。また、透過型の場
合には、回転ローラ4の側面に一つまたは一定間隔をあ
けて同じ大きさの開口部を設け、その両側に発光素子と
受光素子を配置して、開口部を透過した光を検知するこ
とで、移動と断線を検知するように構成できる。
In addition, the magnet 1 is used to detect movement and disconnection.
It is also possible to use an optical sensor instead of using 3 and the magnetic detection sensor 14. For example, in the case of a reflection type, a reflection plate of the same size is provided on the outer circumference or the side surface of the rotating roller 4 at a constant interval, A light emitting element and a light receiving element are arranged so as to face the reflector, and the light reflected by the reflector is detected,
Movement and disconnection can be detected. Further, in the case of the transmissive type, one or an opening of the same size is provided on the side surface of the rotating roller 4 at regular intervals, and the light emitting element and the light receiving element are arranged on both sides of the opening, and the opening is transmitted. It can be configured to detect movement and disconnection by detecting light.

【0012】また、回転ローラ4の材質と異なる材質の
部材を等間隔で外周に配置して、その異なる部材を検知
することで移動と断線を検知するように構成することも
でき、例えば、合成樹脂等の絶縁体で回転ローラ4を構
成し、その回転ローラ4に同じ大きさの金属を一定間隔
をおいて埋め込んで、この金属を容量型または高周波型
のセンサーで金属を検知するように構成することもでき
る。また、回転ローラの形状を変更して、例えば、歯車
状に構成して、その突起を近接センサーで検知して移動
と断線を検知するようにも構成できる。
It is also possible to dispose members made of a material different from that of the rotating roller 4 at equal intervals on the outer circumference, and detect the different members to detect movement and disconnection. The rotating roller 4 is made of an insulating material such as resin, and the rotating roller 4 is filled with metal of the same size at regular intervals, and the metal is detected by a capacitive or high frequency type sensor. You can also do it. Further, the shape of the rotating roller may be changed, for example, it may be configured as a gear, and the protrusion thereof may be detected by the proximity sensor to detect movement and disconnection.

【0013】また、断線と移動の検知センサーは二つの
センサーを組み合わせても構成でき、例えば、図2に示
す第二実施例の断線検知装置は、回転ローラ4をフレー
ム7によって回転自在に支持し、該フレーム7をバネ1
6によって付勢して、回転ローラ4が線材1に押し付け
るように構成し、該フレーム7とバネ16の間には圧力
センサー17を配置して、線材1への押し付け圧力を検
知し、コントローラ12にその圧力を入力して、巻取り
用のモーター19を駆動して、張力が一定となるように
制御してる。また、該回転ローラ4の回転は磁気検出セ
ンサー14または近接センサー等を用いて磁石13をカ
ウントして移動を検知できるようにし、断線が生じると
押し付ける圧力が開放されて、圧力センサー17の値が
極端に小さくなり、断線を検知するようにしている。
The wire breakage and movement detection sensor can be constructed by combining two sensors. For example, in the wire breakage detection device of the second embodiment shown in FIG. 2, the rotating roller 4 is rotatably supported by the frame 7. , The frame 7 is a spring 1
6, the rotary roller 4 is configured to press against the wire rod 1, and a pressure sensor 17 is arranged between the frame 7 and the spring 16 to detect the pressure applied to the wire rod 1, and the controller 12 Then, the pressure is input to drive the winding motor 19 and the tension is controlled to be constant. Further, the rotation of the rotating roller 4 counts the magnet 13 by using the magnetic detection sensor 14 or the proximity sensor so that the movement can be detected, and when the disconnection occurs, the pressing pressure is released, and the value of the pressure sensor 17 becomes It becomes extremely small and detects disconnection.

【0014】こうして、前記回転ローラ4の支持部とな
るフレーム7をバネ16で付勢し、前記回転ローラ4に
線材等の移動に伴う圧力がに生じているときのみ回転信
号を検知するようにし、圧力が減少し圧力センサー17
からの信号が小さくなり、磁気検出センサー14からの
信号もなくなると、断線と判断するのである。尚、回転
数を検知するために回転軸にロータリエンコーダを配置
する構成としてもよく、また、圧力センサーの代わり
に、断線したときに回転ローラが上昇する位置に位置セ
ンサーを設けるように構成することもできる。
In this way, the frame 7 serving as the support portion of the rotating roller 4 is biased by the spring 16 so that the rotation signal is detected only when the pressure due to the movement of the wire or the like is generated in the rotating roller 4. , Pressure decreases and pressure sensor 17
When the signal from the sensor becomes small and the signal from the magnetic detection sensor 14 also disappears, it is determined that the wire is disconnected. It should be noted that a rotary encoder may be arranged on the rotary shaft to detect the number of rotations, and instead of the pressure sensor, a position sensor may be provided at a position where the rotary roller rises when the wire breaks. You can also

【0015】また、図3、図4の如く構成することもで
きる。即ち、第三実施例の断線検知装置は、回転ローラ
4が支持軸25に回転自在に支持され、該支持軸25は
バネ24によって上方に引っ張られるように付勢してい
る。前記回転ローラ4の外周側面には磁石22が付設さ
れて、線材1が移動しているときに回転ローラ4が下降
した位置の磁石22側方に磁気検出センサー14が配置
されている。また、線材1移動時における線材1の位置
(有無)を検出するセンサー26がバネ24による付勢
方向と反対方向(または側方)に配置されている。該セ
ンサー26及び前記磁気検出センサー14はAND回路
27(またはコントローラ12)に接続されている。
Further, it is also possible to configure as shown in FIGS. That is, in the disconnection detecting device of the third embodiment, the rotating roller 4 is rotatably supported by the support shaft 25, and the support shaft 25 is biased by the spring 24 so as to be pulled upward. A magnet 22 is attached to the outer peripheral side surface of the rotating roller 4, and a magnetic detection sensor 14 is arranged on the side of the magnet 22 at a position where the rotating roller 4 descends when the wire rod 1 is moving. Further, a sensor 26 for detecting the position (presence / absence) of the wire 1 when the wire 1 is moved is arranged in a direction (or a side) opposite to the urging direction of the spring 24. The sensor 26 and the magnetic detection sensor 14 are connected to an AND circuit 27 (or the controller 12).

【0016】このような構成において、通常の巻取り等
の作業においては、線材1は回転ローラ4をバネ24に
抗して下方に引っ張り、回転ローラ4の回転は磁気検出
センサー14により検知され、線材1の搬送速度も検知
している。そして、線材1の有無をセンサー26により
検知している。線材1が断線すると、回転ローラ4はバ
ネ24の付勢力により上昇し、磁気検出センサー14は
磁石22を検出することができず、センサー26も線材
1を検出することができず、断線であることが判る。ま
た、例えば、線材1の張力が変動して回転数が変化して
も、センサー26により線材1を検知していると断線で
ないことが判る。また、断線してセンサー26上に線材
1が位置しても、回転ローラ4はバネ24により持ち上
げられるので、磁気検出センサー14は検知できないの
で、AND回路27より断線であることを出力する。ま
た、回転ローラ4が引っ掛かり、慣性で回転していて
も、センサー26は線材1を検知しないので断線である
ことが判る。よって、二重に線材1を検知しているの
で、確実に、かつ、迅速に断線を検知することができる
のである。
In such a construction, in the ordinary work such as winding, the wire rod 1 pulls the rotating roller 4 downward against the spring 24, and the rotation of the rotating roller 4 is detected by the magnetic sensor 14. The transport speed of the wire 1 is also detected. Then, the presence or absence of the wire 1 is detected by the sensor 26. When the wire rod 1 is broken, the rotating roller 4 rises due to the urging force of the spring 24, the magnetic detection sensor 14 cannot detect the magnet 22, and the sensor 26 cannot detect the wire rod 1 either. I understand. Further, for example, even if the tension of the wire rod 1 fluctuates and the number of rotations changes, if the wire rod 1 is detected by the sensor 26, it is understood that the wire is not broken. Further, even if the wire rod 1 is located on the sensor 26 due to the wire breakage, the rotation roller 4 is lifted by the spring 24, and the magnetic detection sensor 14 cannot detect it. Therefore, the AND circuit 27 outputs a wire breakage. Further, even if the rotating roller 4 is caught and is rotating due to inertia, the sensor 26 does not detect the wire 1, so it can be seen that the wire is broken. Therefore, since the wire rod 1 is double detected, it is possible to detect the wire breakage reliably and quickly.

【0017】次に、第四実施例の断線検知装置を図5、
図6より説明する。側面視略三角形状の基台30の一つ
の斜面30aに、斜面30aよりも一段低く形成した段
差斜面30bが形成され、該斜面30aに板バネ31の
一端が固定されて、他端を斜面30aに沿って上方へ延
出して、撓むことを可能としている。該板バネ31の中
途部にはバネ圧調整用のボルト33が貫通されて基台3
0に螺装さている。該ボルト33の頭部が板バネ31に
当接して回動量が規制されている。該板バネ31の他端
には凹部31aを形成し、該凹部31aに支持軸32を
横架し、回転ローラ4を回転自在に支持し、該回転ロー
ラ4を前記凹部31a内に収納している。該回転ローラ
4の外周側面には磁石13が貼設されている。一方、基
台30の上側部より斜め上方に支持ステー34が突設さ
れ、該支持ステー34の先端に磁気検知センサー14が
配置され、コントローラ12と接続されている。
Next, the disconnection detecting device of the fourth embodiment is shown in FIG.
This will be described with reference to FIG. A step slope 30b formed one step lower than the slope 30a is formed on one slope 30a of the base 30 having a substantially triangular shape in a side view, and one end of the leaf spring 31 is fixed to the slope 30a and the other end is slope 30a. It is possible to bend upward by extending upwards along. A bolt 33 for adjusting the spring pressure is inserted through the middle of the leaf spring 31 so that the base 3
It is screwed to 0. The head of the bolt 33 contacts the leaf spring 31 to regulate the amount of rotation. A recess 31a is formed at the other end of the leaf spring 31, a support shaft 32 is laid horizontally in the recess 31a, the rotary roller 4 is rotatably supported, and the rotary roller 4 is housed in the recess 31a. There is. A magnet 13 is attached to the outer peripheral side surface of the rotating roller 4. On the other hand, a support stay 34 is provided so as to project obliquely above the upper portion of the base 30, and the magnetic detection sensor 14 is arranged at the tip of the support stay 34 and is connected to the controller 12.

【0018】このように構成することにより、線材1を
移動させているときには、その移動に伴う圧力により板
バネ31が曲げられて回転ローラ4は下方に付勢され、
磁石13の回転軌跡が磁気検知センサー14の側方に位
置し、回転数が検知されて線材の移動速度が検出され
る。そして、断線すると回転ローラ4を押さえる力がな
くなるので、板バネ31の付勢力により回転ローラ14
は上方へ回動して、磁石13の回転軌跡が磁気検知セン
サー14の側方位置から離れ、磁気検知センサー14は
磁石を検知することができなくなり、断線であることが
判るのである。
With this configuration, when the wire rod 1 is being moved, the leaf spring 31 is bent by the pressure caused by the movement and the rotating roller 4 is biased downward,
The rotation locus of the magnet 13 is located on the side of the magnetic detection sensor 14, the rotation speed is detected, and the moving speed of the wire is detected. When the wire breaks, the force for pressing the rotating roller 4 is lost, so that the rotating roller 14 is pressed by the urging force of the leaf spring 31.
Is turned upward, the locus of rotation of the magnet 13 is separated from the lateral position of the magnetic detection sensor 14, and the magnetic detection sensor 14 cannot detect the magnet.

【0019】[0019]

【発明の効果】本発明は以上の如く構成したので、次の
ような効果を奏するのである。即ち、請求項1野如く、
線材等の移動材の搬送経路途中に、回転ローラが前記線
材等の移動とともに回転するように接触付勢して配置
し、該回転ローラの回転を検知する手段と、その回転ロ
ーラの位置変位を検知する手段を同一部材で構成し、前
記線材等の移動と断線を検知可能としたので、構成が簡
単となり、安価に断線検知装置を構成できる。また、線
材またはシート材を搬送する経路に本発明の断線検知装
置を配設するだけで、線材又はシート材の移動と断線が
検出できるようになり、その断線は瞬時に検知できるよ
うになり、応答遅れが短く、送りの停止等の処置が速や
かに行えるようになる。そして、断線検知装置はウエイ
トダンサと共用できるので、付加価値を増すことができ
る。
Since the present invention is constructed as described above, it has the following effects. That is, as in claim 1,
A means for detecting the rotation of the rotating roller and a position displacement of the rotating roller are arranged in the middle of the conveying path of the moving material such as the wire material so that the rotating roller is contact-biased so as to rotate with the movement of the wire material. Since the means for detecting is composed of the same member and the movement of the wire or the like and the disconnection can be detected, the structure is simple and the disconnection detecting device can be constructed at low cost. Further, only by disposing the disconnection detection device of the present invention in the path for conveying the wire or sheet material, it becomes possible to detect the movement and disconnection of the wire or sheet material, and the disconnection can be detected instantly, The response delay is short, and it becomes possible to promptly take actions such as stopping the feed. Further, since the disconnection detecting device can be shared with the weight dancer, the added value can be increased.

【0020】また、請求項2の如く、前記回転ローラの
支持部をバネ材で構成し、前記回転ローラに線材等の移
動に伴う圧力がバネ材に生じているときのみ回転信号を
検知するようにしたので、線材ガ切断するとバネ材のバ
ネ力で回転ローラは元の位置に戻り、回転信号が得られ
なくなり、線材の移動と切断が同時に検知できるととも
に、支持材がバネで構成されているため、支持構成を簡
単に構成することができる。
According to a second aspect of the present invention, the support portion of the rotary roller is made of a spring material, and the rotation signal is detected only when the pressure due to the movement of the wire or the like on the rotary roller is generated in the spring material. Therefore, when the wire rod is cut, the rotating roller returns to its original position due to the spring force of the spring member, the rotation signal is not obtained, and the movement and cutting of the wire rod can be detected at the same time, and the supporting member is composed of a spring. Therefore, the support structure can be easily configured.

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

【図1】本発明の第一実施例の断線検知装置の正面図で
ある。
FIG. 1 is a front view of a disconnection detection device according to a first embodiment of the present invention.

【図2】第二実施例の断線検知装置の正面図である。FIG. 2 is a front view of a disconnection detecting device according to a second embodiment.

【図3】第三実施例の断線検知装置の側面図である。FIG. 3 is a side view of a disconnection detecting device according to a third embodiment.

【図4】同じく正面図である。FIG. 4 is a front view of the same.

【図5】第四実施例の断線検知装置の正面図である。FIG. 5 is a front view of a disconnection detecting device according to a fourth embodiment.

【図6】同じく側面図である。FIG. 6 is a side view of the same.

【符号の説明】[Explanation of symbols]

1 線材 4 回転ローラ 12 コントローラ 13 磁石 14 磁気検出センサー 1 wire rod 4 rotating rollers 12 Controller 13 magnets 14 Magnetic detection sensor

───────────────────────────────────────────────────── フロントページの続き Fターム(参考) 3F027 AA01 CA02 DA32 EA09 FA11 3F115 AA02 AA11 CA18 CB02 CC05 CG02    ─────────────────────────────────────────────────── ─── Continued front page    F term (reference) 3F027 AA01 CA02 DA32 EA09 FA11                 3F115 AA02 AA11 CA18 CB02 CC05                       CG02

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 線材等の移動材の搬送経路途中に、回転
ローラが前記線材等の移動とともに回転するように接触
付勢して配置し、該回転ローラの回転を検知する手段
と、その回転ローラの位置変位を検知する手段を同一部
材で構成し、前記線材等の移動と断線を検知可能とした
ことを特徴とする断線検知装置。
1. A means for detecting the rotation of the rotating roller, which is arranged so as to urge the rotating roller so as to rotate with the movement of the wire, etc., in the middle of the conveying path of the moving material such as the wire, and the rotation thereof. A wire breakage detecting device, characterized in that the means for detecting the positional displacement of the roller is composed of the same member, and is capable of detecting the movement and wire breakage of the wire or the like.
【請求項2】 前記回転ローラの支持部をバネ材で構成
し、前記回転ローラに線材等の移動に伴う圧力がバネ材
に生じているときのみ回転信号を検知するようにしたこ
とを特徴とする請求項1記載の断線検知装置。
2. A rotation member is formed of a spring material, and a rotation signal is detected only when pressure applied to the rotation roller by movement of a wire or the like is generated in the spring material. The disconnection detection device according to claim 1.
JP2001393922A 2001-12-26 2001-12-26 Disconnection detection device Expired - Fee Related JP3705359B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001393922A JP3705359B2 (en) 2001-12-26 2001-12-26 Disconnection detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001393922A JP3705359B2 (en) 2001-12-26 2001-12-26 Disconnection detection device

Publications (2)

Publication Number Publication Date
JP2003192233A true JP2003192233A (en) 2003-07-09
JP3705359B2 JP3705359B2 (en) 2005-10-12

Family

ID=27600791

Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
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JP2008213169A (en) * 2007-02-28 2008-09-18 Max Co Ltd Wire cartridge and sheet processing device
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KR101169858B1 (en) 2009-03-23 2012-07-30 가부시키가이샤 고베 세이코쇼 Welding-wire rewinding method
CN103693510A (en) * 2013-12-30 2014-04-02 吴江金名来丝绸进出口有限公司 Yarn breakage detecting device
CN105084113A (en) * 2015-06-26 2015-11-25 北京天地玛珂电液控制系统有限公司 Automatic wire winding device
CN107758436A (en) * 2016-08-16 2018-03-06 珠海光纬金电科技有限公司 A kind of electrical cable machining failure intelligent controlling device
CN110255290A (en) * 2019-06-11 2019-09-20 中国神华能源股份有限公司 Cable drum leading truck detection device and cable drum cable status detection method
CN113548542A (en) * 2021-07-12 2021-10-26 三一海洋重工有限公司 Cable winding and unwinding control method, device and system for hoisting equipment
CN113548542B (en) * 2021-07-12 2023-03-14 三一海洋重工有限公司 Cable winding and unwinding control method, device and system for hoisting equipment
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