JPH0247582A - Presence of needle detecting method for sewed product and the like - Google Patents
Presence of needle detecting method for sewed product and the likeInfo
- Publication number
- JPH0247582A JPH0247582A JP63199565A JP19956588A JPH0247582A JP H0247582 A JPH0247582 A JP H0247582A JP 63199565 A JP63199565 A JP 63199565A JP 19956588 A JP19956588 A JP 19956588A JP H0247582 A JPH0247582 A JP H0247582A
- Authority
- JP
- Japan
- Prior art keywords
- needle
- magnetism
- sewed
- detected
- product
- 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
- 238000000034 method Methods 0.000 title description 8
- 230000005389 magnetism Effects 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 16
- 238000009958 sewing Methods 0.000 claims description 15
- 238000005034 decoration Methods 0.000 abstract description 3
- 239000002184 metal Substances 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 11
- 238000007689 inspection Methods 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005355 Hall effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Geophysics And Detection Of Objects (AREA)
Abstract
Description
この発明は、縫製品等にまぎれ込む針を検出する方法に
関する。The present invention relates to a method for detecting a needle that gets mixed into a sewing product or the like.
縫製工場等において、たとえば、縫製機械からの縫い針
の脱落、あるいは待ち針の抜き忘れにより、縫製品に針
がまぎれこむことがある。
縫製品の多くは人が着用するので、上記のようにしてま
ぎれ込んだ針を確実に検出し、これを取り除いた上で出
荷する必要がある。
従来、Ｆ述のような針が縫製品′にまぎれ込んでいるか
どうかの検査は、金属センサによって行うのが普通であ
った。
金属センサは、永久磁石にコイルを巻いて形成した検出
体の近くで鉄片などの磁性体が動くと、コイルに誘導起
電力が発生するという原理を利用しており、上記の起電
力を増幅してブザーやランプなどの警部手段を駆動する
ように構成されている。この金属センサの検出体を縫製
品の近くで移動させるか、または、検出体の近くを縫製
品をスライドさせると、縫製品に鉄片などが含まれてい
た場合、その存在を検出することができる。2. Description of the Related Art In a sewing factory or the like, for example, a sewing needle may fall off from a sewing machine or may become entangled in a sewn product due to forgetting to remove a pin. Since most sewn products are worn by people, it is necessary to reliably detect the needles that have become entangled in the products as described above and remove them before shipping. Conventionally, the inspection as described in F to see whether or not the needle is entangled in the sewn product' has been generally carried out using a metal sensor. Metal sensors utilize the principle that when a magnetic object such as a piece of iron moves near a detection object formed by winding a coil around a permanent magnet, an induced electromotive force is generated in the coil, and this electromotive force is amplified. The sensor is configured to drive an inspector means such as a buzzer or a lamp. If the detected object of this metal sensor is moved near the sewn product or the sewn product is slid near the detected object, the presence of iron pieces, etc. in the sewn product can be detected. .
しかしながら、上記の金属センサは、磁性体であればど
のようなものでも検出してしまうので、針基外のたとえ
ばファスナーの金属部分や、金属製のボタンなどにも反
応し、針だけを検出する目的のためには今ひとつ使い勝
手が悪かった。また、金属センサに剥して縫製品を移動
させる必要があるので、確実性にも乏しかった。
この発明は、以上の事情のもとで考え出されたものであ
って、従来の問題を解決し、たとえ針具外の磁性体金属
が含まれている縫製品であっても、針がまぎれ込んでい
る場合、その針だけを確実に検出することができる方法
を提供することを目的とする。However, the metal sensor described above can detect any magnetic material, so it also reacts to metal parts of zippers, metal buttons, etc. outside the needle base, and only detects the needle. It wasn't very convenient for my purpose. Furthermore, since it is necessary to remove the sewn product to a metal sensor and move it, reliability is also poor. This invention was devised under the above circumstances, and it solves the conventional problems and prevents the needle from getting mixed up even if the sewing product contains magnetic metal other than the needle tool. The object of the present invention is to provide a method that can reliably detect only the needle when the needle is crowded.
上記の課題を解決するため、この発明では、次の技術的
手段を講している。
すなわち、本願発明の縫製品等の針検出方法は、縫製時
に使用する計またはその付属物に磁気を与え、磁気セン
サによってｌａ調製品まぎれこんだ上記針またはその付
属物の磁気を検出するようにしたことを特徴とする。In order to solve the above problems, the present invention takes the following technical measures. That is, the method for detecting needles for sewn products, etc. of the present invention applies magnetism to the needle or its attachment used during sewing, and uses a magnetic sensor to detect the magnetism of the needle or its attachment mixed in the LA preparation. It is characterized by
本願発明では、縫製に使用する針またはその付属物に磁
気を与えておき、この針を使って縫製された縫製品にま
ぎれこむ針の存在を、この針またはその付属物に与えた
磁気を検出することにより検知するようにしている。し
たがって、本願発明によれば、たとえ縫製品にファスナ
ーや金属ボタンなどの金属装飾が施されていても、従来
のようにこれらを誤検知することがなく、針だけを確実
に検出することができる。しかも、磁気センサの検出体
は、ホール素子などの電流６ｎ気効果素子を使用して磁
気そのものの存在を検出することができるので、従来の
金属センサのように検出体に対して被検出体を移動させ
る必要がなく、より確実な針検出が可能となる。In the present invention, magnetism is applied to the needle used for sewing or its attachment, and the presence of the needle that gets mixed into the sewing product sewn using this needle is detected by the magnetism applied to the needle or its attachment. It is detected by doing this. Therefore, according to the present invention, even if a sewn product has metal decorations such as a zipper or metal button, it is possible to reliably detect only the needle without erroneously detecting these items as in the past. . Moreover, since the detection object of the magnetic sensor can detect the presence of magnetism itself using a current 6n effect element such as a Hall element, it is possible to detect the presence of magnetism itself. There is no need to move the needle, allowing for more reliable needle detection.
以下、本願発明の実施例を図面を参照しつつ、説明する
。
まず、本願発明方法においては、縫製に使用する縫い針
ｌ （第１図（ａｌ）、あるいは待ち針２ （第１図（
ｂ））などの針に磁気を与える。縫い針１あるいは待ち
針２は、鉄などの磁性体でできているので、公知の着磁
機によって容易に磁気を与えることができる。通常の縫
い針１では、公知の着は機によって直接磁化することに
より、３０ガウスないし５０ガウスの磁気を与えること
ができる。また、待ち針２においては、その付属物であ
る撮み部２ａに磁気を与えてもよい。この場合、盪み部
２ａを磁性材料薄板で作成してこれを直接磁化してもよ
いが、たとえば、市販のマグ不フト・ゴムを薄板基板に
貼着してもよい。この場合、３００ないし５００ガウス
の磁気を与えることが可能である。
次に本願発明方法では、縫製品にまぎれこんだ上記の針
の存在を、これに与えた磁気を磁気センサ３で検知する
ことにより検出する。
第２図に磁気センサ３の一例を示す。矩形箱状のケース
４の上面には平板状の検査台５が形成されており、その
一部に設けた縦方向の窓部６の内側に複数個の検出体（
プローブ）７・・・を臨ませである。この検出体７・・
・は、ホール素子によって構成することができ、かつ各
検出体７・・・の間隔は、ホール素子の怒度に応じて、
上記窓部６の縦方向全領域に存在する３０ガウス程度の
磁気点を検出しうる程度に設定される。
第３図に磁気センサ３の回路構成の一例を示す。
ホール素子制御回路８は、検出体７のホール素子に電流
を流す。ホール素子に磁界が作用するとホール効果によ
って起電圧がホール素子に発生し、この起電圧が増幅回
路９で増幅され、表示器１０または警音器１１が駆動さ
れる。表示器１０としては、磁界の存在下においてホー
ル素子に発生する起電圧をそのまま増幅して示すメータ
であってもよいし、上記起電圧があらかしめ設定された
しきい値を超えたときにランプが点灯するようにしても
よい。
上記の磁気センサ３を用いて縫製品中の針を検知するに
は、上記検査台５上に縫製品を滑らせる。
仮に、縫製品の内部に上述のように着磁された針が存在
すると、いずれかの検出体７・・・がこの針の磁気を検
出し、表示器１０に磁気検出情報が表示され、または、
警音器が音を発する。本例では、縦方向の窓部６に複数
個の検出体７・・・が配置されているので、窓部６の長
さに入るようにして縫製品を１回滑らせるだけで、縫製
品のすべての部分について上記針が存在するか否かの検
査をすることができる。
上述のように本願発明方法では、針に与えた磁気を検出
することによって縫製品中の針の存在を検知するように
しているので、縫製品にたとえば金属による装飾が施さ
れていても、これによって誤動作することはなく、問題
となる針だけを確実に検出することができる。
なお、磁気センサ３としては、上述のように据え面き式
の検査台上に縫製品を滑らせる形態の他、第・１図に示
すように、先端部にいくつかの検出体７・・・を列状に
配置してなる操作体１２をコード１３によって本体１４
に接続し、操作体１２を把持して検出体７・・・が配置
された先端部で縫製品の表面をスキャンして使用するよ
うに構成してもよい。
また、第２図に示す磁気センサ３では、検査台に縦長の
窓部を設け、この窓部に複数個の検出体７・・・を列状
に配置して構成しているが、たとえば、検査台の全域に
わたり、多数個の検出体を複数行？！数列に配置し、検
査台上のすべての領域における磁気を検出できるように
構成すると、第２図に示す磁気センサ３のように縫製品
を検査台上を滑らせる必要なくより簡単に縫製品中の磁
気を帯びた針を検出することができる。
さらに、実施例では、磁気センサ３の検出体にホール素
子を使用しているが、その他、たとえば、磁気抵抗素子
、磁気ダイオード、あるいは磁気トランジスタなどの磁
電変換素子を使用して構成することも、もちろん可能で
ある。Embodiments of the present invention will be described below with reference to the drawings. First, in the method of the present invention, the sewing needle l (Fig. 1 (al)) used for sewing or the pin 2 (Fig. 1 (al)
b) Magnetize the needle such as). Since the sewing needle 1 or the pin 2 is made of a magnetic material such as iron, it can be easily magnetized by a known magnetizer. In a conventional sewing needle 1, a known magnet can be directly magnetized by the machine to provide a magnetism of 30 Gauss to 50 Gauss. Further, in the pin pin 2, magnetism may be applied to the photographing part 2a, which is an appendage thereof. In this case, the depressed portion 2a may be made of a thin plate of magnetic material and directly magnetized, or, for example, commercially available Magfuft rubber may be adhered to the thin plate substrate. In this case, it is possible to apply a magnetic force of 300 to 500 Gauss. Next, in the method of the present invention, the presence of the needle mixed into the sewing product is detected by detecting the magnetism applied to the needle using the magnetic sensor 3. FIG. 2 shows an example of the magnetic sensor 3. A flat inspection table 5 is formed on the upper surface of the rectangular box-shaped case 4, and a plurality of detection objects (
Probe) 7... is now available. This detection object 7...
・can be constituted by a Hall element, and the interval between each detection body 7... is determined according to the degree of anger of the Hall element.
It is set to such an extent that a magnetic point of approximately 30 Gauss existing in the entire vertical area of the window portion 6 can be detected. FIG. 3 shows an example of the circuit configuration of the magnetic sensor 3. The Hall element control circuit 8 causes a current to flow through the Hall element of the detection object 7. When a magnetic field acts on the Hall element, an electromotive voltage is generated in the Hall element due to the Hall effect, this electromotive voltage is amplified by the amplifier circuit 9, and the display 10 or the horn 11 is driven. The indicator 10 may be a meter that directly amplifies and displays the electromotive voltage generated in the Hall element in the presence of a magnetic field, or a lamp that indicates when the electromotive voltage exceeds a preset threshold. may be lit. To detect a needle in a sewn product using the magnetic sensor 3, the sewn product is slid onto the inspection table 5. If a needle magnetized as described above exists inside the sewn product, one of the detectors 7 detects the magnetism of this needle, and magnetic detection information is displayed on the display 10, or ,
The alarm sounds. In this example, since a plurality of detecting bodies 7 are arranged in the vertical window 6, the sewn product can be detected by simply sliding the sewn product once within the length of the window 6. The presence or absence of the needle can be tested for all parts of the . As mentioned above, in the method of the present invention, the presence of a needle in a sewn product is detected by detecting the magnetism applied to the needle, so even if the sewn product has metal decorations, Therefore, only the problematic needle can be reliably detected. In addition to the magnetic sensor 3 that slides the sewn product onto a fixed inspection table as described above, the magnetic sensor 3 may have several detection bodies 7 at the tip as shown in FIG. 1. The main body 14 is connected by a cord 13 to an operating body 12 formed by arranging them in a row.
It may also be configured such that the user grips the operating body 12 and scans the surface of the sewn product with the distal end where the detecting body 7 is disposed. Further, the magnetic sensor 3 shown in FIG. 2 is configured by providing a vertically elongated window on the examination table and arranging a plurality of detection bodies 7 in a row in this window. Multiple lines of multiple detection objects across the entire area of the inspection table? ! If they are arranged in several rows and configured to detect magnetism in all areas on the inspection table, the sewn product can be easily inspected without having to slide the sewn product on the inspection table like the magnetic sensor 3 shown in Fig. 2. can detect magnetic needles. Further, in the embodiment, a Hall element is used as the detection body of the magnetic sensor 3, but it may also be configured using a magneto-electric conversion element such as a magnetoresistive element, a magnetic diode, or a magnetic transistor. Of course it is possible.
第１図（ａｌおよびｆｂｌは、本願発明方法において磁
気を与えるべき針の例を示す図、第２図は磁気センサの
一例の概路外観図、第３図はその概略回路構成図、第４
図は磁気センサの他の態様を示す概路外観図である。
１・・・縫い針、２・・・待ち針、３・・・磁気センサ
、７・・検出体。FIG. 1 (al and fbl are diagrams showing an example of a needle to be magnetized in the method of the present invention, FIG. 2 is a schematic external view of an example of a magnetic sensor, FIG. 3 is a schematic circuit configuration diagram thereof, and FIG.
The figure is a schematic external view showing another aspect of the magnetic sensor. 1... Sewing needle, 2... Pin needle, 3... Magnetic sensor, 7... Sensing object.
Claims (1)
え、磁気センサによって縫製品にまぎれこんだ上記針ま
たはその付属物の磁気を検出するようにしたことを特徴
とする、縫製品等の針検出方法。(1) A needle for sewn products, etc., characterized in that the needle used during sewing or its attachment is magnetized, and a magnetic sensor detects the magnetism of the needle or its attachment mixed into the sewn product. Detection method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63199565A JPH0247582A (en) | 1988-08-09 | 1988-08-09 | Presence of needle detecting method for sewed product and the like |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63199565A JPH0247582A (en) | 1988-08-09 | 1988-08-09 | Presence of needle detecting method for sewed product and the like |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0247582A true JPH0247582A (en) | 1990-02-16 |
Family
ID=16409945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63199565A Pending JPH0247582A (en) | 1988-08-09 | 1988-08-09 | Presence of needle detecting method for sewed product and the like |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0247582A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06123780A (en) * | 1992-09-09 | 1994-05-06 | Nichibaku:Kk | Method and device for inspecting remaining needle |
| EP0784153A2 (en) | 1996-01-11 | 1997-07-16 | Toyota Jidosha Kabushiki Kaisha | Fuel injection timing control apparatus for diesel engine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5627273U (en) * | 1979-08-06 | 1981-03-13 | ||
| JPS58111776A (en) * | 1981-12-25 | 1983-07-02 | Hitachi Metals Ltd | Piping detector |
-
1988
- 1988-08-09 JP JP63199565A patent/JPH0247582A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5627273U (en) * | 1979-08-06 | 1981-03-13 | ||
| JPS58111776A (en) * | 1981-12-25 | 1983-07-02 | Hitachi Metals Ltd | Piping detector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06123780A (en) * | 1992-09-09 | 1994-05-06 | Nichibaku:Kk | Method and device for inspecting remaining needle |
| EP0784153A2 (en) | 1996-01-11 | 1997-07-16 | Toyota Jidosha Kabushiki Kaisha | Fuel injection timing control apparatus for diesel engine |
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