JP2019205315A - Electric wire terminal processing device - Google Patents

Electric wire terminal processing device Download PDF

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JP2019205315A
JP2019205315A JP2018100651A JP2018100651A JP2019205315A JP 2019205315 A JP2019205315 A JP 2019205315A JP 2018100651 A JP2018100651 A JP 2018100651A JP 2018100651 A JP2018100651 A JP 2018100651A JP 2019205315 A JP2019205315 A JP 2019205315A
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electric wire
cutting
measurement
angle
wire
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JP6697507B2 (en
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実良 間渕
Saneyoshi Mabuchi
実良 間渕
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Yazaki Corp
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Yazaki Corp
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Priority to JP2018100651A priority Critical patent/JP6697507B2/en
Priority to CN201910423980.9A priority patent/CN110535073B/en
Priority to MX2019006103A priority patent/MX2019006103A/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/12Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof
    • H02G1/1202Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof by cutting and withdrawing insulation
    • H02G1/1248Machines
    • H02G1/1251Machines the cutting element not rotating about the wire or cable
    • H02G1/1253Machines the cutting element not rotating about the wire or cable making a transverse cut

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  • Removal Of Insulation Or Armoring From Wires Or Cables (AREA)
  • Details Of Cutting Devices (AREA)
  • Nonmetal Cutting Devices (AREA)
  • Sampling And Sample Adjustment (AREA)
  • User Interface Of Digital Computer (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Abstract

To provide an electric wire terminal processing device capable of cutting an electric wire, including an odd-numbered or even-numbered wire cores, with a prescribed depth.SOLUTION: An electric wire terminal processing device 100 has a holding rotation part 10 for holding an electric wire 1, and rotating the electric wire 1 around a device reference axis 101, a measurement section 20 for measuring the external-diameter of the electric wire 1 projected on the device reference surface, a storage section 30 for storing the measurement angle and the measurement external-diameter in association, a cutting processing part 50 including cutting blades 51a, 51b and an advance/retreat mechanism 59 for advancing and retreating the cutting blades 51a, 51b toward the device reference axis 101, and an operation part 40 for calculating the cutting angle and the advance and retreat amount of the cutting blades 51a, 51b, from the measurement angle and the measurement external-diameter and wire core external-diameter and the form between core wires. The cutting processing part 50 advances and retreats the cutting blades 51a, 51b by the advance and retreat amount in a state where the electric wire 1 is rotated by the cutting angle.SELECTED DRAWING: Figure 1

Description

本発明は電線端末加工装置、特に複数の線芯が絶縁体によって被覆されている電線の端末を加工する電線端末加工装置に関する。   The present invention relates to an electric wire terminal processing device, and more particularly to an electric wire terminal processing device for processing an end of an electric wire in which a plurality of wire cores are covered with an insulator.

従来、複数の線芯が絶縁体によって被覆されている電線において、端末から所定の範囲の絶縁体を撤去する所謂「皮剥き作業」が行われている。このとき、皮剥き作業を、簡単かる効率的に実行するために、絶縁体に「切り込み」を加工する発明が開示されている(たとえば、特許文献1参照)。   2. Description of the Related Art Conventionally, a so-called “skinning operation” for removing a predetermined range of insulators from a terminal is performed on an electric wire in which a plurality of wire cores are covered with an insulator. At this time, in order to perform the skinning operation easily and efficiently, an invention for processing “cuts” in the insulator has been disclosed (for example, see Patent Document 1).

特開2016−214062号公報(第2−3頁、図2)JP 2016-214062 A (page 2-3, FIG. 2)

特許文献1に開示された発明(被遮蔽ケーブル処理装置)は、捩られている4本の線芯が遮蔽膜に被覆され、遮蔽膜が導電性の遮蔽カバ−によって包囲されている被遮蔽ケーブルについて、遮蔽膜に切り込みを加工するものである。すなわち、4本の線芯は断面十字状に配置され、4本の線芯の中心軸から断面十字方向に進退可能に4個のナイフが設けられ、ナイフは線芯の外径に対応した径の凹状に形成されている。したがって、ナイフの凹状の中心と線芯の中心とを結ぶ仮想線が断面十字方向に一致した状態で、一対のナイフを互いに近接させることで遮蔽膜に局所的に均一の切り込みを加工している。
しかしながら、4本の線芯は捩られているため、線芯の中心は長手方向の位置において変動する。このため、ナイフの位置における前記仮想線上に線芯の中心を配置することが困難であることから、前記仮想線上に線芯の中心が配置されない場合には、所定深さの切り込みを加工することが出来ないという問題があった。さらに、線芯が奇数本である被遮蔽ケーブルには適用することができないという問題があった。さらに、線芯の外径毎にナイフを設ける必要があるという問題もあった。
The invention (shielded cable processing apparatus) disclosed in Patent Document 1 is a shielded cable in which four twisted wire cores are covered with a shielding film, and the shielding film is surrounded by a conductive shielding cover. For the above, a cut is processed in the shielding film. That is, the four wire cores are arranged in a cross-shaped cross section, and four knives are provided so as to be able to advance and retract in the cross-sectional direction from the central axis of the four wire cores. The knives have a diameter corresponding to the outer diameter of the wire core. It is formed in a concave shape. Therefore, a uniform cut is processed locally in the shielding film by bringing a pair of knives close to each other in a state where a virtual line connecting the concave center of the knife and the center of the wire core coincides with the cross direction of the cross section. .
However, since the four wire cores are twisted, the center of the wire core varies in the position in the longitudinal direction. For this reason, since it is difficult to arrange the center of the wire core on the virtual line at the position of the knife, if the center of the wire core is not placed on the virtual line, a cut with a predetermined depth is processed. There was a problem that was not possible. Furthermore, there is a problem that it cannot be applied to a shielded cable having an odd number of wire cores. Further, there is a problem that it is necessary to provide a knife for each outer diameter of the wire core.

本発明は、前記問題を解消するものであり、奇数本や偶数本の線芯を具備する電線に所定深さの切り込みを加工することが出来る電線端末加工装置を提供することにある。   The present invention solves the above-described problem, and provides an electric wire terminal processing apparatus capable of processing a notch of a predetermined depth in an electric wire having an odd number or even number of wire cores.

本発明に係る電線端末加工装置は、線芯と前記線芯を被覆した絶縁体とを具備する電線について、前記電線の端末から所定の位置において前記絶縁体に切り込みを加工する電線端末加工装置であって、
前記電線の長手方向が装置基準軸に一致した状態で前記電線を把持すると共に、前記電線を前記装置基準軸を中心にして回転する把持回転部と、前記装置基準軸を含む面である装置基準面に投影された前記電線の外径を計測する計測部と、計測のために前記電線を回転する角度である計測角度と、前記計測部によって計測された前記計測角度における前記電線の外径である計測外径とを関連付けて記憶する記憶部と、前記装置基準軸に垂直で前記装置基準面に回転中心がある切り込み刃と前記切り込み刃を前記装置基準軸に向けて進退する進退機構とを具備する切り込み加工部と、前記計測角度および前記計測外径と前記線芯の外径および配置形態とから、切り込み加工のために前記電線を回転する角度である切り込み角度と、前記切り込み角度における前記切り込み刃の前記装置基準軸に向かった方向の切り込み進退量を演算する演算部とを有し、
前記進退機構は、前記電線が前記切り込み角度だけ回転された状態で、前記切り込み刃を前記進退量だけ進退させることを特徴とする。
また、前記線芯が複数であって、前記電線の断面が略楕円または略多角形であることを特徴とする。
さらに、前記切り込み刃が一対であって、それぞれ互いに対向して配置され、切り込み加工時に前記電線が180°回転されることを特徴とする。
An electric wire terminal processing apparatus according to the present invention is an electric wire terminal processing apparatus that processes a notch in an insulator at a predetermined position from an end of the electric wire with respect to an electric wire including a wire core and an insulator covering the wire core. There,
A gripping rotation unit that grips the wire in a state where the longitudinal direction of the wire coincides with the device reference axis, and that rotates the wire around the device reference axis, and a device reference that includes the device reference axis. A measurement unit that measures the outer diameter of the electric wire projected on the surface, a measurement angle that is an angle for rotating the electric wire for measurement, and an outer diameter of the electric wire at the measurement angle that is measured by the measurement unit A storage unit that associates and stores a certain measurement outer diameter, a cutting blade that is perpendicular to the device reference axis and has a rotation center on the device reference surface, and an advancing and retreating mechanism that advances and retracts the cutting blade toward the device reference axis A notch processing section, a notch angle that is an angle for rotating the electric wire for notching, and the notch, from the measurement angle, the measurement outer diameter, and the outer diameter and arrangement of the wire core, And a calculator for calculating the direction of the cut reciprocating amount toward the device reference axis of the cutting blade in degrees,
The advance / retreat mechanism is characterized in that the cutting blade is advanced / retreated by the advance / retreat amount in a state where the electric wire is rotated by the cut angle.
Moreover, the said wire core is plurality, The cross section of the said electric wire is a substantially ellipse or a substantially polygon, It is characterized by the above-mentioned.
Further, the cutting blades are a pair and are arranged to face each other, and the electric wire is rotated by 180 ° during the cutting process.

本発明に係る電線端末加工装置は、計測部の計測結果に基づいて、演算された切り込み角度に対応した切り込み進退量だけ切り込み刃が進退するから、切り込み加工位置における線芯の位相に関わりなく、所定深さの切り込みを加工することができる。また、線芯が奇数本であっても適用することができ、さらに、線芯の外径毎に切り込み刃を設ける必要がなくなる。   The wire terminal processing device according to the present invention is based on the measurement result of the measurement unit, because the cutting blade advances and retreats by the amount of cut advance and retreat corresponding to the calculated cut angle, regardless of the phase of the wire core at the cut processing position, A cut with a predetermined depth can be processed. Further, even if the number of wire cores is an odd number, the present invention can be applied, and further, it is not necessary to provide a cutting blade for each outer diameter of the wire core.

本発明の実施の形態1に係る電線端末加工装置を模式的に示す平面図である。It is a top view which shows typically the electric wire terminal processing apparatus which concerns on Embodiment 1 of this invention. 本発明の実施の形態1に係る電線端末加工装置を模式的に示す側面図である。It is a side view which shows typically the electric wire terminal processing apparatus which concerns on Embodiment 1 of this invention. 本発明の実施の形態1に係る電線端末加工装置を模式的に示すものであって、図3の(a)は電線を示す側面図、図3の(b)は電線の当初の姿勢を説明する拡大断面図、図3の(c)は電線の計測時の姿勢を説明する拡大断面図、図3の(c)は電線の切り込み加工時の姿勢を説明する拡大断面図である。FIG. 3 schematically shows the electric wire terminal processing apparatus according to Embodiment 1 of the present invention, where FIG. 3A is a side view showing the electric wire, and FIG. 3B is an explanation of the initial posture of the electric wire. FIG. 3C is an enlarged sectional view for explaining the posture at the time of measuring the electric wire, and FIG. 3C is an enlarged sectional view for explaining the posture at the time of cutting the electric wire. 本発明の実施の形態2に係る電線端末加工装置を模式的に示す平面図である。It is a top view which shows typically the electric wire terminal processing apparatus which concerns on Embodiment 2 of this invention. 本発明の実施の形態2に係る電線端末加工装置を模式的に示す側面図である。It is a side view which shows typically the electric wire terminal processing apparatus which concerns on Embodiment 2 of this invention.

以下、図面を参照しながら、本発明の実施の形態1、2に係る電線端末加工装置について説明する。なお、各図面は模式的に描かれているため、各部材の形状や大きさ、あるいは部材間の位置関係は図示された形態に限定されるものではない。   Hereinafter, the wire terminal processing apparatus according to Embodiments 1 and 2 of the present invention will be described with reference to the drawings. In addition, since each drawing is drawn typically, the shape and size of each member, or the positional relationship between members is not limited to the illustrated form.

[実施の形態1]
図1〜図3は本発明の実施の形態1に係る電線端末加工装置を模式的に示すものであって、図1は平面図、図2は側面図、図3の(a)は電線を示す側面図、図3の(b)は電線の当初の姿勢を説明する拡大断面図、図3の(c)は電線の計測時の姿勢を説明する拡大断面図、図3の(d)は電線の切り込み加工時の姿勢を説明する拡大断面図である。なお、図面の煩雑さを避けるため、一部の部材(配置のための保持部材等)の記載を省略している。
[Embodiment 1]
1 to 3 schematically show an electric wire terminal processing apparatus according to Embodiment 1 of the present invention. FIG. 1 is a plan view, FIG. 2 is a side view, and FIG. 3B is an enlarged cross-sectional view for explaining the initial posture of the electric wire, FIG. 3C is an enlarged cross-sectional view for explaining the posture at the time of measuring the electric wire, and FIG. It is an expanded sectional view explaining the attitude | position at the time of the cutting process of an electric wire. In addition, in order to avoid the complexity of drawing, description of a one part member (holding member etc. for arrangement | positioning) is abbreviate | omitted.

(電線)
図3の(a)において、電線端末加工装置100は、線芯2と線芯2を被覆した絶縁体3とを具備する電線1について、電線端末4から所定の距離の位置(以下「切り込み位置」と称す)5において絶縁体3に切り込み6を加工するものである。
なお、絶縁体3とは、線芯2を除く電線1を構成する部材の総称であって、電気絶縁性の単一材(たとえば、シース)に限定されるものではなく、電気絶縁性あるいは通電性の複数の材料から構成されたものであってもよい。また、以下、理解を容易にするため、線芯2が2本の場合について説明するが、線芯2の本数は限定されるものではない。
(Electrical wire)
In FIG. 3A, the electric wire terminal processing apparatus 100 has a predetermined distance from the electric wire terminal 4 (hereinafter referred to as “cutting position”) for the electric wire 1 including the wire core 2 and the insulator 3 covering the wire core 2. In FIG. 5, the notch 6 is processed in the insulator 3.
The insulator 3 is a general term for members constituting the electric wire 1 excluding the wire core 2, and is not limited to an electrically insulating single material (for example, a sheath). It may be composed of a plurality of materials. Hereinafter, in order to facilitate understanding, a case where there are two wire cores 2 will be described, but the number of the wire cores 2 is not limited.

(電線端末加工装置)
図1および図2において、電線端末加工装置100は、把持回転部10と、計測部20と、記憶部30と、演算部40と、切り込み加工部50と、操作部90とを有している。以下、それぞれについて説明する。
(Wire terminal processing equipment)
In FIG. 1 and FIG. 2, the electric wire terminal processing apparatus 100 includes a gripping rotation unit 10, a measurement unit 20, a storage unit 30, a calculation unit 40, a cutting processing unit 50, and an operation unit 90. . Each will be described below.

(把持回転部)
把持回転部10は、装置基板110に設置され、電線端末4が突き当てられると共に電線端末4を案内する端末案内台13と、端末案内台13において電線端末4が突き当てられる面(図示しない)に垂直な仮想軸(以下「装置基準軸101」と称す)に、電線1の中心が一致するように把持する把持機構11と、把持機構11に把持された電線1を、装置基準軸101を中心にして回転する回転機構12とを具備している。
把持機構11は、円筒体11aと、円筒体11aを装置基準軸101を中心にして回転可能に支持する支持体11bと、円筒体11aの中心軸(装置基準軸101に同じ)に電線1を把持するチャック11cとを具備する。
(Grip rotation part)
The gripping and rotating unit 10 is installed on the apparatus substrate 110, and a terminal guide stand 13 that guides the wire terminal 4 while the wire terminal 4 is abutted thereon, and a surface (not shown) on which the wire terminal 4 is abutted in the terminal guide stand 13. A gripping mechanism 11 that grips the virtual axis perpendicular to the axis (hereinafter referred to as “device reference shaft 101”) so that the center of the wire 1 coincides, and the wire 1 held by the gripping mechanism 11 is connected to the device reference shaft 101. And a rotation mechanism 12 that rotates about the center.
The gripping mechanism 11 includes a cylindrical body 11a, a support body 11b that supports the cylindrical body 11a so as to be rotatable about the apparatus reference axis 101, and the electric wire 1 on the central axis (same as the apparatus reference axis 101) of the cylindrical body 11a. And a chuck 11c for gripping.

回転機構12は、装置基板110に設置されたモータ12aと、モータ12aの回転軸に固定された駆動歯車12bと、円筒体11aに固定され、駆動歯車12bにかみ合う従動歯車12cとを具備する。なお、以上は、回転機構12として歯車を使用しているが、本発明はこれに限定するものではなく、ベルトを使用してもよく、さらに、モータ12aを撤去して、手動によって、直接または減速手段を介して円筒体11aを回転してもよい(これについては、実施の形態2において詳細に説明する)。
以下、説明の便宜上、装置基準軸101を含み装置基板110の上面に平行な仮想面を「装置基準面102」と、装置基準軸101に垂直な仮想面を「計測切り込み面103」と、装置基準軸101を含み装置基準面102に垂直な仮想面を「装置対称面104」と称す。
なお、線芯2の中心を結ぶ仮想線を電線中心線7と称すると、把持された当初は、計測切り込み面103において電線中心線7と装置基準面102とがなす角度(以下「ねじれ角度φm」と称す)は不明である(図3の(b)参照)。
The rotation mechanism 12 includes a motor 12a installed on the apparatus substrate 110, a drive gear 12b fixed to the rotation shaft of the motor 12a, and a driven gear 12c fixed to the cylindrical body 11a and meshing with the drive gear 12b. In the above description, a gear is used as the rotating mechanism 12. However, the present invention is not limited to this, and a belt may be used. Further, the motor 12a may be removed and manually or directly. The cylindrical body 11a may be rotated via the speed reduction means (this will be described in detail in the second embodiment).
Hereinafter, for convenience of explanation, a virtual plane including the apparatus reference axis 101 and parallel to the upper surface of the apparatus substrate 110 is referred to as “apparatus reference plane 102”, a virtual plane perpendicular to the apparatus reference axis 101 is referred to as “measurement cut plane 103”, and an apparatus A virtual plane that includes the reference axis 101 and is perpendicular to the apparatus reference plane 102 is referred to as an “apparatus symmetry plane 104”.
When a virtual line connecting the centers of the wire cores 2 is referred to as an electric wire center line 7, an angle formed between the electric wire center line 7 and the apparatus reference plane 102 in the measurement cut surface 103 (hereinafter referred to as “twist angle φm”) is initially grasped. Is not known) (see FIG. 3B).

(計測部)
計測部20は、回転機構12によって円筒体11a(電線1に同じ)が回転された角度(以下「計測角度θm」と称す)を計測する角度計測機構21と、計測切り込み面103において、装置基準面102(または装置基準面102に平行な仮想投影面)に投影された電線1の外径(以下「計測外径Dm」と称す)を計測する外径計測機構22とを具備している(図3の(c)参照)。そして、計測部20は計測角度θmおよび計測外径Dmを記憶部30に出力する。
(Measurement part)
The measurement unit 20 includes an angle measurement mechanism 21 that measures an angle (hereinafter, referred to as “measurement angle θm”) by which the cylindrical body 11 a (same as the electric wire 1) is rotated by the rotation mechanism 12, and a measurement reference surface 103. An outer diameter measuring mechanism 22 that measures an outer diameter of the electric wire 1 projected on the surface 102 (or a virtual projection plane parallel to the apparatus reference surface 102) (hereinafter referred to as “measurement outer diameter Dm”) (see FIG. (See (c) of FIG. 3). Then, the measurement unit 20 outputs the measurement angle θm and the measurement outer diameter Dm to the storage unit 30.

なお、計測角度θmは所定の間隔毎に0°から180°までの複数の値、すなわち、所定の計測間隔Δθmの整数倍であるが、電線1を連続して回転する間に計測される。
角度計測機構21は、円筒体11aに固定された円盤21aと、円盤21aの外周に対向したフォトセンサー21bとを具備している。すなわち、円盤21aの外周に沿ってスリット(図示しない)が所定の間隔を空けて等角配置され、フォトセンサー21bは、円盤21aが回転した際の、スリットの通過数を計測する。
なお、装置基準面102を装置基板110の上面と平行な仮想面としているが、装置基準面102は適宜設定することができるものである。また、回転機構12および角度計測機構21に代えて、両者の機能を具備する装置(たとえばサーボモータ)を設けてもよい。さらに、外径計測機構22は電線1の輪郭を示す影等の画像を採取して、当該画像のデータから計測外径Dm求める非接触タイプであるが、電線1に直接接触して計測外径Dmを計測する接触タイプであってもよい。また、計測された計測角度θmおよび計測外径Dmを表示するようにしてもよい。
The measurement angle θm is a plurality of values from 0 ° to 180 ° at predetermined intervals, that is, an integral multiple of the predetermined measurement interval Δθm, and is measured while the electric wire 1 is continuously rotated.
The angle measuring mechanism 21 includes a disk 21a fixed to the cylindrical body 11a and a photosensor 21b facing the outer periphery of the disk 21a. That is, slits (not shown) are equiangularly arranged along the outer periphery of the disk 21a with a predetermined interval, and the photosensor 21b measures the number of passes of the slit when the disk 21a rotates.
The apparatus reference plane 102 is a virtual plane parallel to the upper surface of the apparatus substrate 110, but the apparatus reference plane 102 can be set as appropriate. Further, instead of the rotation mechanism 12 and the angle measurement mechanism 21, a device (for example, a servo motor) having both functions may be provided. Further, the outer diameter measuring mechanism 22 is a non-contact type that collects an image such as a shadow indicating the outline of the electric wire 1 and obtains the measured outer diameter Dm from the data of the image. It may be a contact type that measures Dm. Further, the measured measurement angle θm and the measured outer diameter Dm may be displayed.

(記憶部)
記憶部30は、計測部20から入力された計測角度θm毎に、計測角度θm(たとえば、θm0=0、θm1=1・Δθm、θm2=2・Δθm・・・)と計測外径Dm(たとえば、Dm0、Dm1、Dm2・・・)とを関連付けた(θm0、Dm0)、(θm1、Dm1)、(θm2、Dm2)・・・のデータを記憶する。そうすると、かかるデータによって電線1の外形が算出されるから、計測外径Dmが最大になる角度、すなわち、ねじれ角度φmが特定される。そして、ねじれ角度φmを演算部40に出力する。
なお、ねじれ角度φmは、計測角度θmの増加に伴って計測外径Dmが増加する範囲と、計測角度θmの増加に伴って計測外径Dmが減少する範囲との境界であり、計測角度θmは所定の計測間隔Δθmだけ離れた値であるため、ねじれ角度φmは計測角度θmの何れかに一致する場合もあれば、一対の計測角度θmの間の値である場合もある。
(Memory part)
For each measurement angle θm input from the measurement unit 20, the storage unit 30 measures a measurement angle θm (for example, θm0 = 0, θm1 = 1 · Δθm, θm2 = 2 · Δθm,...) And a measurement outer diameter Dm (for example, , Dm0, Dm1, Dm2,...) And (θm0, Dm0), (θm1, Dm1), (θm2, Dm2). Then, since the outer shape of the electric wire 1 is calculated from such data, the angle at which the measured outer diameter Dm is maximized, that is, the twist angle φm is specified. Then, the twist angle φm is output to the calculation unit 40.
The twist angle φm is a boundary between a range in which the measurement outer diameter Dm increases with an increase in the measurement angle θm and a range in which the measurement outer diameter Dm decreases with an increase in the measurement angle θm. Is a value separated by a predetermined measurement interval Δθm, the twist angle φm may coincide with any one of the measurement angles θm or may be a value between a pair of measurement angles θm.

(切り込み加工部)
切り込み加工部50は、計測切り込み面103内に配置された一対の切り込み刃51a、51bと、切り込み刃51a、51bを進退させる進退機構59とを具備している。
すなわち、切り込み刃51a、51bはモータ52a、52bによって回転され、モータ52a、52bは摺動台53a、53bに設置されている。このとき、切り込み刃51a、51bの回転軸はそれぞれ、モータ52a、52bの回転軸にカップリング(図1および図2において、一対の対角線を付した四角で表示している)によって連結され、装置基準面102内で装置基準軸101と平行になっている。
(Cutting section)
The cutting unit 50 includes a pair of cutting blades 51a and 51b disposed in the measurement cutting surface 103, and an advancing / retracting mechanism 59 for moving the cutting blades 51a and 51b back and forth.
That is, the cutting blades 51a and 51b are rotated by the motors 52a and 52b, and the motors 52a and 52b are installed on the slide bases 53a and 53b. At this time, the rotary shafts of the cutting blades 51a and 51b are coupled to the rotary shafts of the motors 52a and 52b by couplings (indicated by squares with a pair of diagonal lines in FIGS. 1 and 2), respectively. The reference plane 102 is parallel to the apparatus reference axis 101.

(進退機構)
そして、進退機構59は、モータ52a、52bがそれぞれ設置された摺動台53a、53bと、摺動台53a、53bを計測切り込み面103と平行に移動可能に案内する案内台54と、摺動台53aおよび摺動台53bのそれぞれに螺合したスプライン軸55と、スプライン軸55にカップリングによって連結されたサーボモータ56とを具備している。このとき、摺動台53a、53bは直方体であって、案内台54に形成された凹溝に侵入し、案内台54とサーボモータ56とは装置基板110に固定されている。
なお、切り込み刃51a、51bの回転軸を、ベアリングを保持した支持体で支持し、かかる支持体を摺動台53a、53bに設置してもよい。
さらに、本発明は、切り込み刃51a、51bを回転刃に限定するものではなく、装置対称面104と平行に往復運動をするハックソーや、装置対称面104と平行に配置された熱線(溶断線)等にしてもよい。
(Advance / Retreat Mechanism)
The advancing / retreating mechanism 59 includes sliding bases 53a and 53b on which motors 52a and 52b are respectively installed, a guide base 54 that guides the sliding bases 53a and 53b so as to be movable in parallel with the measurement cut surface 103, and a sliding base. A spline shaft 55 screwed into each of the base 53a and the slide base 53b, and a servo motor 56 connected to the spline shaft 55 by coupling are provided. At this time, the sliding bases 53a and 53b are rectangular parallelepipeds, enter into the concave grooves formed in the guide base 54, and the guide base 54 and the servo motor 56 are fixed to the apparatus substrate 110.
The rotating shafts of the cutting blades 51a and 51b may be supported by a support body that holds a bearing, and the support bodies may be installed on the slide bases 53a and 53b.
Furthermore, the present invention does not limit the cutting blades 51a and 51b to rotary blades, but a hacksaw that reciprocates in parallel with the device symmetry plane 104, or a heat wire (fusing wire) arranged in parallel with the device symmetry surface 104. You may make it.

スプライン軸55は、装置対称面104に対して面対称、すなわち、摺動台53aが螺合する範囲は左巻きで、摺動台53bが螺合する範囲は右巻きで、共に同一ピッチの螺旋である。したがって、当初(電線1を回転する前)、切り込み刃51aと切り込み刃51bとを装置対称面104から同一距離に配置しておけば、サーボモータ56が回転しても、両者は常に装置対称面104から同一の距離に位置している。
なお、本発明は進退機構59を前記構成に限定するものではなく、摺動台53a、53bの両方に螺合しているスプライン軸55に代えて、摺動台53a、53bのそれぞれに別個のスプライン軸を螺合させ、それぞれのスプライン軸毎に別個のサーボモータを連結してもよい。さらに、スプライン軸およびサーボモータに代えて、摺動台53a、53bをそれぞれ移動するサーボシリンダ等を設けてもよい。
The spline shaft 55 is symmetrical with respect to the device symmetry plane 104, that is, the range in which the slide base 53a is screwed is left-handed, and the range in which the slide base 53b is screwed is right-handed. is there. Therefore, at the beginning (before rotating the electric wire 1), if the cutting blade 51a and the cutting blade 51b are arranged at the same distance from the device symmetry plane 104, even if the servo motor 56 is rotated, both are always on the device symmetry plane. It is located at the same distance from 104.
In the present invention, the advance / retreat mechanism 59 is not limited to the above-described configuration. Instead of the spline shaft 55 screwed to both the slide bases 53a and 53b, separate slide bases 53a and 53b are provided. A spline shaft may be screwed and a separate servo motor may be connected to each spline shaft. Furthermore, instead of the spline shaft and the servo motor, a servo cylinder or the like for moving the slide bases 53a and 53b may be provided.

(演算部)
演算部40は、記憶部30から受け取ったねじれ角度φmと予め製造メーカから提供された線芯2の線芯外径D2および配置形態(線芯2の線芯間距離B2)とから、切り込み加工に当たって電線1を当初位置から回転する角度である切り込み角度θc毎に、線芯2の外面から僅かの距離T2だけに離れた仮想円(図3の(d)において破線にて示す。以下「残肉円8」と称す)に、切り込み刃51a、51bの外周が到達するまでの進退量Ccを算出する(図3の(d)参照)。
このとき、切り込み角度θcがねじれ角度φmに等しいときは、切り込み刃51a、51bの外周は装置基準面102上において残肉円8に到達するが、切り込み角度θcがねじれ角度φmに等しくないときは、切り込み刃51a、51bの外周は装置基準面102から偏位した位置において残肉円8に到達する。
なお、2本の線芯2が密着した状態で捩られている場合は、線芯間距離B2は線芯外径D2と同じ値になる。また、切り込み角度θcは計測角度θmに一致する場合もあれば相違する場合もある。
(Calculation unit)
The calculation unit 40 performs the cutting process based on the twist angle φm received from the storage unit 30, the wire core outer diameter D2 of the wire core 2 and the arrangement form (distance B2 between the wire cores 2) provided in advance by the manufacturer. For each cutting angle θc that is the angle by which the electric wire 1 is rotated from the initial position, a virtual circle (shown by a broken line in FIG. 3D) separated from the outer surface of the wire core 2 by a slight distance T2 is shown below. The advancing / retreating amount Cc until the outer peripheries of the cutting blades 51a and 51b reach the flesh circle 8 "is calculated (see (d) of FIG. 3).
At this time, when the cut angle θc is equal to the twist angle φm, the outer peripheries of the cut blades 51a and 51b reach the remaining circle 8 on the apparatus reference surface 102, but when the cut angle θc is not equal to the twist angle φm. The outer peripheries of the cutting blades 51 a and 51 b reach the remaining circle 8 at positions displaced from the apparatus reference plane 102.
When the two wire cores 2 are twisted in close contact with each other, the distance B2 between the wire cores is the same value as the wire core outer diameter D2. Further, the cutting angle θc may or may not match the measurement angle θm.

(操作部)
操作部90は、電線1の回転開始を指示する回転開始ボタン91と切り込み作業開始を指示する切り込み開始ボタン92と、緊急停止ボタン93と、図示しない制御手段を具備している。このとき、計測時には、計測部20が計測する計測角度θmが180°に到達した時点で、電線1の回転(モータ12a)は停止される。
(Operation section)
The operation unit 90 includes a rotation start button 91 for instructing the rotation start of the electric wire 1, a cutting start button 92 for instructing the start of the cutting operation, an emergency stop button 93, and control means (not shown). At this time, at the time of measurement, the rotation of the electric wire 1 (motor 12a) is stopped when the measurement angle θm measured by the measurement unit 20 reaches 180 °.

(切り込み作業)
切り込み加工は、切り込み開始ボタン92が押されると、演算部40の指令によって、切り込み加工部50の進退機構59(サーボモータ56)と把持回転部10の回転機構12(モータ12a)とが連動して実行される。すなわち、切り込み角度θc毎に、切り込み刃51a、51bが残肉円8に到達する進退量Ccまで、切り込み刃51a、51bは進退させられる。
このとき、絶縁体3の切除範囲を図3の(d)において斜線および塗り潰しにて模式的に示す。なお、切り込み角度θcは所定の切り込み間隔Δθcの整数倍で、0°から180°までの複数の値であるから、所定の切り込み角度θcにおいて切り込まれた後、次に切り込む際に形成される切除範囲は、三日月を半分にした略鋭角三角形状(模式的に塗り潰し範囲で示す)になる。
また、切り込み加工は、電線1の外径計測が終了した後に実行されるものであるから、外径計測が終了した後、一旦、電線1を計測時とは反対の方向に回して、初期の位置(θc=0°)に戻してから計測時と同じ方向に回しながら実行してもよいし、外径計測が修了したところ(θc=180°)から、電線1を計測時とは反対の方向に回しながら実行してもよい。
(Incision work)
In the cutting process, when the cutting start button 92 is pressed, the advance / retreat mechanism 59 (servo motor 56) of the cutting process part 50 and the rotation mechanism 12 (motor 12a) of the gripping rotating part 10 are interlocked according to a command from the calculation part 40. Executed. That is, for each cutting angle θc, the cutting blades 51a and 51b are advanced and retracted up to the advancing / retreating amount Cc at which the cutting blades 51a and 51b reach the remaining circle 8.
At this time, the excision range of the insulator 3 is schematically shown by hatching and filling in FIG. The cutting angle θc is an integral multiple of the predetermined cutting interval Δθc, and is a plurality of values from 0 ° to 180 °. Therefore, the cutting angle θc is formed at the next cutting after being cut at the predetermined cutting angle θc. The excision range is a substantially acute triangular shape (schematically shown as a filled range) in which the crescent moon is halved.
In addition, since the cutting process is performed after the outer diameter measurement of the electric wire 1 is finished, after the outer diameter measurement is finished, the electric wire 1 is once turned in the direction opposite to the measurement, It may be executed while returning to the position (θc = 0 °) and rotating in the same direction as at the time of measurement, or when the outer diameter measurement is completed (θc = 180 °), the electric wire 1 is opposite to the time of measurement. It may be executed while turning in the direction.

さらに、切り込み加工は連続的に電線1を回転しながら、切り込み刃51a、51bを進退させることができるが、過剰な切り込みや切り込み不足を防止するためには、切り込み間隔Δθcを小さくして、切り込み刃51a、51bの進退頻度を増すのが望ましい。
また、切り込み間隔Δθcが大きい場合には、所定の切り込み角度θcにおいて切り込みが終了したところで電線1の回転を停止したまま、一旦、切り込み刃51a、51bを後退させてから電線1を切り込み間隔Δθcだけ回転し、その後で切り込み刃51a、51bを前進するようにしてもよい。
なお、以上は、電線1に両側から同時に切り込みを加工しているが、一方の切り込み刃51aのみを用いて片側のみから切り込みを加工するようにしてもよい。このとき、電線1は360°回転されることになるが、切り込み刃51b、モータ52bおよび摺動台53bが不要になり、設備コストが安価になる。
さらに、線芯2が奇数本(3本等)で、電線1の断面が非対称である場合には、一対の切り込み刃51a、51bをそれぞれ独立して進退可能にして、それぞれに相違した進退をさせたり(このとき、スプライン軸55を途中で分断して、それぞれにサーボモータを連結する)、あるいは、一方の切り込み刃51aのみにして、電線1を360°回転させたりすることになる。
Further, in the cutting process, the cutting blades 51a and 51b can be advanced and retracted while continuously rotating the electric wire 1, but in order to prevent excessive cutting and insufficient cutting, the cutting interval Δθc is reduced to perform cutting. It is desirable to increase the advance / retreat frequency of the blades 51a, 51b.
Further, when the cutting interval Δθc is large, the cutting of the electric wire 1 is temporarily performed while the rotation of the electric wire 1 is stopped at the predetermined cutting angle θc, while the cutting blades 51a and 51b are once retracted, and then the electric wire 1 is cut by the cutting interval Δθc. The cutting blades 51a and 51b may be moved forward after the rotation.
In the above description, the electric wire 1 is cut simultaneously from both sides, but the cut may be processed only from one side using only one cutting blade 51a. At this time, although the electric wire 1 is rotated 360 °, the cutting blade 51b, the motor 52b, and the slide base 53b are not necessary, and the equipment cost is reduced.
Further, when the wire core 2 is an odd number (three, etc.) and the cross section of the electric wire 1 is asymmetrical, the pair of cutting blades 51a and 51b can be independently advanced and retracted, and different advance and retreat can be performed. (At this time, the spline shaft 55 is divided in the middle and the servo motors are connected to each of them), or the electric wire 1 is rotated 360 ° by using only one cutting blade 51a.

(作用効果)
以上のように、電線端末加工装置100は、ねじれ角度φmを算出して、切り込み角度θc毎に残肉位置Acに到達するまで、切り込み刃51a、51bを進退させるから、切り込み過多や切り込み不足が生じない。また、切り込み刃が円盤状の回転刃であるから、線芯2の外径毎に切り込み刃を用意する必要がない。
さらに、以上は、線芯が2本の場合を説明しているが、線芯2が2本でない場合でも同様の切り込み作業ができるから、工具費用が抑えられ、前記と同様の効果が得られる。
なお、計測角度θmは0°から180°である。一方、切り込み角度θcは、線芯2が奇数本の場合など、一対の切り込み刃51a、51bをそれぞれ相違する進退量Ccで作業するときは、0°から180°になるが、一方の切り込み刃51aのみの一台にするときは、0°から360°になる。さらに、線芯2が偶数本の場合でも、一方の切り込み刃51bのみの一台にすると、切り込み角度θcは0°から360°になる。
さらに、線芯2がたとえば遮蔽膜等によって包囲され、遮蔽膜等が絶縁体2によって包囲され、遮蔽膜等にまで切り込みを加工したい場合には、前記要領において遮蔽膜等も絶縁体3の一部であると看做し、残肉位置Acを線芯2内の遮蔽膜等の位置にする。
(Function and effect)
As described above, the wire terminal processing apparatus 100 calculates the twist angle φm and advances and retracts the cutting blades 51a and 51b until the remaining thickness position Ac is reached for each cutting angle θc. Therefore, there is excessive cutting or insufficient cutting. Does not occur. Further, since the cutting blade is a disk-shaped rotary blade, it is not necessary to prepare a cutting blade for each outer diameter of the wire core 2.
Furthermore, although the case where the number of the wire cores is two has been described above, the same cutting operation can be performed even when the number of the wire cores 2 is not two, so that the tool cost can be reduced and the same effect as described above can be obtained. .
The measurement angle θm is 0 ° to 180 °. On the other hand, the cutting angle θc is 0 ° to 180 ° when the pair of cutting blades 51a and 51b are operated with different advance / retreat amounts Cc, such as when the number of the wire cores 2 is an odd number. When only one 51a is used, the angle is 0 ° to 360 °. Furthermore, even when the number of the wire cores 2 is an even number, if only one of the cutting blades 51b is used, the cutting angle θc is changed from 0 ° to 360 °.
Further, when the wire core 2 is surrounded by, for example, a shielding film and the shielding film is surrounded by the insulator 2 and it is desired to cut into the shielding film or the like, the shielding film or the like is also a part of the insulator 3 as described above. The remaining position Ac is set to a position such as a shielding film in the wire core 2.

[実施の形態2]
(電線端末加工装置)
図4および図5は本発明の実施の形態2に係る電線端末加工装置を模式的に示すものであって、図4は平面図、図5は側面図である。なお、実施の形態1と同じ部位または相当する部位には同じ符号を付し、一部の説明を省略する。また、図面の煩雑さを避けるため、一部の部材の記載を省略している。
図4および図5において、電線端末加工装置200は、実施の形態1で説明した電線端末加工装置100の把持回転部10を、電動の回転機構12から手動の手回し機構14に変更したものである。したがって、把持回転部10は、把持機構11と端末案内台13と手回し機構14とを具備している。
[Embodiment 2]
(Wire terminal processing equipment)
4 and 5 schematically show an electric wire terminal processing apparatus according to Embodiment 2 of the present invention. FIG. 4 is a plan view, and FIG. 5 is a side view. In addition, the same code | symbol is attached | subjected to the same site | part as Embodiment 1, or an equivalent site | part, and a part of description is abbreviate | omitted. Moreover, in order to avoid the complexity of drawing, description of a one part member is abbreviate | omitted.
4 and 5, the electric wire terminal processing device 200 is obtained by changing the gripping rotation unit 10 of the electric wire terminal processing device 100 described in the first embodiment from an electric rotation mechanism 12 to a manual hand-turning mechanism 14. . Therefore, the gripping rotation unit 10 includes a gripping mechanism 11, a terminal guide base 13, and a hand turning mechanism 14.

(手回し機構)
手回し機構14は円筒体11aに連結された回転ホイール14aと、回転ホイール14aに設置された装置基準軸101に平行なホイール取手14bとを具備している。
また、円筒体11aには、外面から突出した円筒体アーム15aが設けられ、円筒体11aが回転した際、円筒体アーム15aが当接する第1ストッパ15bおよび第2ストッパ15cが装置基板110に設置されている。このとき、円筒体アーム15aが第1ストッパ15bに当接してから第2ストッパ15cに当接するまで、円筒体11aは180°回転する。
(Hand turning mechanism)
The hand turning mechanism 14 includes a rotating wheel 14a connected to the cylindrical body 11a, and a wheel handle 14b parallel to the apparatus reference shaft 101 installed on the rotating wheel 14a.
Further, the cylindrical body 11a is provided with a cylindrical arm 15a protruding from the outer surface. When the cylindrical body 11a rotates, the first stopper 15b and the second stopper 15c with which the cylindrical arm 15a abuts are installed on the apparatus substrate 110. Has been. At this time, the cylindrical body 11a rotates 180 ° from when the cylindrical arm 15a contacts the first stopper 15b until it contacts the second stopper 15c.

なお、外径計測機構22は、計測切り込み面103を含む面内で、装置基準軸101を中心にして測定用の光線を照射する光源手段22aと、電線1によって一部が遮られた前記光線を受光する受光手段22bと、受光手段22bを支持する支持手段22cとを具備している。
さらに、操作部90は、電線1の計測開始を指示する計測開始ボタン94と切り込み作業開始を指示する切り込み開始ボタン92と、緊急停止ボタン93と、図示しない制御手段を具備している。このとき、計測開始ボタン94が押された後で、円筒体11aが回転されると、計測角度θmおよび計測外径Dmが計測され、それぞれ、記憶部30に出力される。
The outer diameter measuring mechanism 22 includes a light source means 22a for irradiating a measuring light beam around the apparatus reference axis 101 within a plane including the measurement cut surface 103, and the light beam partially blocked by the electric wire 1. Light receiving means 22b for receiving light and support means 22c for supporting the light receiving means 22b.
Further, the operation unit 90 includes a measurement start button 94 for instructing measurement start of the electric wire 1, a cut start button 92 for instructing start of the cut operation, an emergency stop button 93, and a control unit (not shown). At this time, when the cylindrical body 11a is rotated after the measurement start button 94 is pressed, the measurement angle θm and the measurement outer diameter Dm are measured and output to the storage unit 30, respectively.

(切り込み作業)
切り込み加工は、切り込み開始ボタン92が押された状態で、円筒体11aが回転されると、切り込み角度θcが計測される。そうすると、電線端末加工装置100と同様に、切り込み角度θcに対応したサーボモータ56の回転数(正転または逆転の回転角度)が算出され、かかる回転数でサーボモータ56が回転される。すなわち、切り込み角度θc毎に、切り込み刃51a、51bが残肉円8に到達する進退量Ccまで、切り込み刃51a、51bが進退される(図3の(d)参照)。
(Incision work)
In the cutting process, when the cylindrical body 11a is rotated while the cutting start button 92 is pressed, the cutting angle θc is measured. Then, similarly to the wire terminal processing apparatus 100, the rotation speed (forward rotation or reverse rotation angle) of the servo motor 56 corresponding to the cutting angle θc is calculated, and the servo motor 56 is rotated at the rotation speed. That is, for each cutting angle θc, the cutting blades 51a and 51b are moved forward and backward until the cutting blades 51a and 51b reach the advancing / retreating amount Cc (see FIG. 3D).

(作用効果)
以上のように、電線端末加工装置200は、電線端末加工装置100と同様に切り込み過多や切り込み不足が生じない。特に、円筒体11aを手動で回転するから、回転機構が簡素になり装置コストが安価になる。さらに、切り込み刃が円盤状の回転刃であるから、線芯2の外径毎に切り込み刃を用意する必要がない。
(Function and effect)
As described above, the wire terminal processing apparatus 200 does not cause excessive cutting or insufficient cutting as with the wire terminal processing apparatus 100. In particular, since the cylindrical body 11a is manually rotated, the rotation mechanism is simplified and the apparatus cost is reduced. Furthermore, since the cutting blade is a disk-shaped rotary blade, it is not necessary to prepare a cutting blade for each outer diameter of the wire core 2.

以上、本発明を実施の形態1、2をもとに説明した。この実施の形態1、2は例示であり、それらの各構成要素およびその組合せにいろいろな変形例が可能なこと、またそうした変形例も本発明の範囲にあることは当業者に理解されるところである。   The present invention has been described based on the first and second embodiments. The first and second embodiments are merely examples, and it is understood by those skilled in the art that various modifications can be made to each of those components and combinations thereof, and that such modifications are also within the scope of the present invention. is there.

本発明は以上であるから、様々な形状の各種電線について外周に所定深さの切り込みを加工する電線端末加工装置として広く利用することができる。   Since this invention is the above, it can utilize widely as an electric wire terminal processing apparatus which processes the notch of predetermined depth on the outer periphery about various electric wires of various shapes.

1 :電線
2 :線芯
3 :絶縁体
4 :電線端末
5 :切り込み位置
6 :切り込み
7 :電線中心線
8 :残肉円
10 :把持回転部
11 :把持機構
11a:円筒体
11b:支持体
11c:チャック
12 :回転機構
12a:モータ
12b:駆動歯車
12c:従動歯車
13 :端末案内台
14 :手回し機構
14a:回転ホイール
14b:ホイール取手
15a:円筒体アーム
15b:第1ストッパ
15c:第2ストッパ
20 :計測部
21 :角度計測機構
21a:円盤
21b:フォトセンサー
22 :外径計測機構
22a:光源手段
22b:受光手段
22c:支持手段
30 :記憶部
40 :演算部
50 :切り込み加工部
51a:切り込み刃
51b:切り込み刃
52a:モータ
52b:モータ
53a:摺動台
53b:摺動台
54 :案内台
55 :スプライン軸
56 :サーボモータ
59 :進退機構
90 :操作部
91 :回転開始ボタン
92 :切り込み開始ボタン
93 :緊急停止ボタン
94 :計測開始ボタン
100 :電線端末加工装置(実施の形態1)
101 :装置基準軸
102 :装置基準面
103 :計測切り込み面
104 :装置対称面
110 :装置基板
200 :電線端末加工装置(実施の形態2)
Ac:残肉位置
B2:線芯間距離
Cc:進退量
D2:線芯外径
Dm:計測外径
T2:距離
θc:切り込み角度
θm:計測角度
φm:ねじれ角度
DESCRIPTION OF SYMBOLS 1: Electric wire 2: Wire core 3: Insulator 4: Electric wire terminal 5: Cutting position 6: Cutting 7: Electric wire center line 8: Remaining circle 10: Grasp rotation part 11: Grasp mechanism 11a: Cylindrical body 11b: Support body 11c : Chuck 12: Rotating mechanism 12a: Motor 12b: Drive gear 12c: Driven gear 13: Terminal guide stand 14: Hand turning mechanism 14a: Rotating wheel 14b: Wheel handle 15a: Cylindrical arm 15b: First stopper 15c: Second stopper 20 : Measuring unit 21: Angle measuring mechanism 21a: Disk 21b: Photo sensor 22: Outer diameter measuring mechanism 22a: Light source unit 22b: Light receiving unit 22c: Support unit 30: Storage unit 40: Calculation unit 50: Cutting processing unit 51a: Cutting blade 51b: Cutting blade 52a: Motor 52b: Motor 53a: Slide table 53b: Slide table 54 : Guide stand 55: Spline shaft 56: Servo motor 59: Advance / retreat mechanism 90: Operation part 91: Rotation start button 92: Cutting start button 93: Emergency stop button 94: Measurement start button 100: Electric wire terminal processing apparatus (Embodiment 1) )
101: Device reference axis 102: Device reference surface 103: Measurement cut surface 104: Device symmetry surface 110: Device substrate 200: Electric wire terminal processing device (Embodiment 2)
Ac: Remaining meat position B2: Distance between wire cores Cc: Advance / retreat amount D2: Wire core outer diameter Dm: Measurement outer diameter T2: Distance θc: Cutting angle θm: Measurement angle φm: Twist angle

Claims (3)

線芯と前記線芯を被覆した絶縁体とを具備する電線について、前記電線の端末から所定の位置において前記絶縁体に切り込みを加工する電線端末加工装置であって、
前記電線の長手方向が装置基準軸に一致した状態で前記電線を把持すると共に、前記電線を前記装置基準軸を中心にして回転する把持回転部と、
前記装置基準軸を含む面である装置基準面に投影された前記電線の外径を計測する計測部と、
計測のために前記電線を回転する角度である計測角度と、前記計測部によって計測された前記計測角度における前記電線の外径である計測外径とを関連付けて記憶する記憶部と、
前記装置基準軸に垂直で前記装置基準面に回転中心がある切り込み刃と前記切り込み刃を前記装置基準軸に向けて進退する進退機構とを具備する切り込み加工部と、
前記計測角度および前記計測外径と前記線芯の外径および配置形態とから、切り込み加工のために前記電線を回転する角度である切り込み角度と、前記切り込み角度における前記切り込み刃の前記装置基準軸に向かった方向の切り込み進退量を演算する演算部とを有し
前記進退機構は、前記電線が前記切り込み角度だけ回転された状態で、前記切り込み刃を前記進退量だけ進退させることを特徴とする電線端末加工装置。
For an electric wire comprising a wire core and an insulator covering the wire core, an electric wire terminal processing apparatus for processing a cut in the insulator at a predetermined position from the end of the electric wire,
Holding the electric wire in a state in which the longitudinal direction of the electric wire coincides with the apparatus reference axis, and a holding rotation unit that rotates the electric wire around the apparatus reference axis;
A measuring unit for measuring the outer diameter of the electric wire projected on the apparatus reference plane, which is a plane including the apparatus reference axis;
A storage unit that associates and stores a measurement angle that is an angle of rotating the electric wire for measurement, and a measurement outer diameter that is an outer diameter of the electric wire at the measurement angle measured by the measurement unit;
A cutting section comprising a cutting blade perpendicular to the device reference axis and having a center of rotation on the device reference surface, and an advancing and retracting mechanism for moving the cutting blade back and forth toward the device reference axis;
From the measurement angle and the measurement outer diameter and the outer diameter and arrangement of the wire core, a cutting angle that is an angle for rotating the electric wire for the cutting process, and the apparatus reference axis of the cutting blade at the cutting angle And a calculation unit that calculates the amount of advancement / retraction in the direction toward the front, wherein the advancement / retraction mechanism advances / retreats the incision blade by the advancement / retraction amount in a state where the wire is rotated by the notch angle. Electric wire terminal processing equipment.
前記線芯が複数であって、前記電線の断面が略楕円または略多角形であることを特徴とする請求項1記載の電線端末加工装置。   The wire end processing apparatus according to claim 1, wherein the wire core includes a plurality of wires, and the cross section of the wire is substantially elliptical or substantially polygonal. 前記切り込み刃が一対であって、それぞれ互いに対向して配置され、切り込み加工時に前記電線が180°回転されることを特徴とする請求項1または2記載の電線端末加工装置。   3. The electric wire terminal processing apparatus according to claim 1, wherein the cutting blades are a pair and are arranged to face each other, and the electric wire is rotated by 180 degrees during the cutting process.
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