WO2024122593A1 - シールド電線の端末処理のための芯線位置検出装置、及び、シールド電線の端末処理方法 - Google Patents
シールド電線の端末処理のための芯線位置検出装置、及び、シールド電線の端末処理方法 Download PDFInfo
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- WO2024122593A1 WO2024122593A1 PCT/JP2023/043716 JP2023043716W WO2024122593A1 WO 2024122593 A1 WO2024122593 A1 WO 2024122593A1 JP 2023043716 W JP2023043716 W JP 2023043716W WO 2024122593 A1 WO2024122593 A1 WO 2024122593A1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/28—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for wire processing before connecting to contact members, not provided for in groups H01R43/02 - H01R43/26
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
- H01R13/6461—Means for preventing cross-talk
- H01R13/6463—Means for preventing cross-talk using twisted pairs of wires
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- the present invention relates to a core position detection device that detects the relative positions of multiple cores during terminal processing of a shielded electric wire, and a method of terminal processing of a shielded electric wire that is carried out using the device.
- shielded electric wires there is one type that is used for high-speed communication and has multiple (e.g., two) core wires (signal wires) twisted in a spiral shape inside a shielding material (mainly braided) covered with an insulating resin sheath.
- the two core wires are twisted inside, so the position of the two core wires in the cross section of the wire (for example, the angle of the twist based on the horizontal line) varies depending on the position along the length of the wire.
- the same twisting position occurs for each pitch of the twisted two core wires, and the conditions for this twisting are predetermined in the specifications for each type of wire.
- a shielded connector is used to connect a shielded electric wire.
- a shielded connector that is attached to an end of this type of shielded electric wire is shown in FIG. 3 (see, for example, Japanese Patent Application Laid-Open No. 2003-233634).
- This shielded connector 200 has a resin outer housing 201, a metal outer terminal (shield shell) 202 inserted into the outer housing, a resin inner housing 203 placed inside a cylindrical housing accommodating portion 202a of the outer terminal 202, and a metal inner terminal (internal terminal) 205 attached to a terminal accommodating hole 203a of the inner housing 203.
- An impedance adjustment member 204 may be placed between the inner housing 203 and the inner terminal 205 as necessary.
- the terminal processing for attaching this shielded connector 200 to the shielded electric wire 10 is carried out, for example, as follows.
- the shielded electric wire 10 is configured such that a braid (shielding material) 12 is placed inside the outermost resin sheath 11, and two core wires 15, 15 are twisted together and placed inside the braid 12.
- shielding foils aluminum or copper foils
- the terminal portion of the braid 12 is cut to size (trimmed), and the braid 12 is folded back at the edge of the sleeve 13 toward the base end of the wire, so that the folded back portion 12a of the braid 12 overlaps the outer circumference of the sleeve 13. This is the state shown in Figure 3 (b).
- the two core wires 15, 15 are exposed. If a shielding foil is arranged to cover the outer circumference of the core wires 15, 15, the shielding foil is cut off at the end of the folded back portion 12a of the braid 12 to expose the two core wires 15, 15.
- the core wires 15, 15 still remain twisted, so at least the end portions are untwisted to straighten the two core wires 15, 15, then the insulating coatings 15b, 15b at the ends of the core wires 15, 15 are stripped off to expose the core conductors 15a, 15a, and the inner terminals 20, 20 are crimped and connected to the core conductors 15a, 15a, respectively.
- the inner terminals 20, 20 are accommodated in the terminal accommodation holes 203a, 203a of the inner housing 203, and the inner housing 203 is accommodated in the cylindrical housing accommodation portion 202a of the outer terminal 202.
- the braid clamping piece 202b of the outer terminal 202 is crimped to the folded portion 12a of the braid 12 and the sleeve 13, and the sheath clamping piece 203c of the outer terminal 202 is crimped to the sheath 11.
- Fig. 4 and Fig. 5 show an outline of the relationship between the braid (shielding material) 12, the two core wires 15, 15, and the inner terminal 20.
- Fig. 4 shows a case where the arrangement of the two core wires 15, 15 at position A (position indicated by ⁇ in the figure) of the end 12e of the braid 12 and the arrangement of the two core wires 15, 15 at the connection position to the inner terminal 20 are different (displaced) in the circumferential direction of the electric wire, with the upper figure showing a side view and the lower figure showing a top view.
- Fig. 4 shows a case where the arrangement of the two core wires 15, 15 at position A (position indicated by ⁇ in the figure) of the end 12e of the braid 12 and the arrangement of the two core wires 15, 15 at the connection position to the inner terminal 20 are different (displaced) in the circumferential direction of the electric wire, with the upper figure showing a side view and the lower figure showing a top view.
- FIG 5 shows a case where the arrangement of the two core wires 15, 15 at position A (position indicated by ⁇ in the figure) of the end 12e of the braid 12 and the arrangement of the two core wires 15, 15 at the connection position to the inner terminal 20 are consistent in the circumferential direction of the electric wire (when the arrangement of the core wires 15, 15 is aligned), with the upper figure showing a side view and the lower figure showing a top view.
- the distance L from the end 12e of the braid 12 to the inner terminal 20 is set to a fixed value, and in order to improve transmission performance, it is important to keep the actual length (wire length) of the core wires 15, 15 between them as short as possible. Therefore, it is desirable to extend the exposed core wires 15, 15 as linearly as possible to minimize the wire length.
- the arrangement of the two core wires 15, 15 that have been untwisted and stretched straight may differ between the position of the end 12e of the braid 12 and the position of the connection to the inner terminal 20.
- the untwisting of the core wires 15 is incomplete, and the exposed core wires 15 are no longer straight, resulting in excess length.
- the present invention has been made in consideration of the above-mentioned circumstances, and its purpose is to provide a core position detection device for terminal processing of a shielded electric wire, which can align the arrangement of the core wire exposed from the shielding material at the base end and the tip end, thereby contributing to improving the transmission characteristics of the terminal processing section, and a terminal processing method for a shielded electric wire using the core position detection device.
- the core wire position detection device of the present invention has the following features.
- a core wire position detection device for detecting a relative positional relationship between a plurality of core wires inside a shielding material in a cross section of the electric wire during terminal processing of a shielded electric wire in which a plurality of core wires are arranged in a twisted state inside a shielding material covered with an insulating resin sheath, comprising: an imaging means for imaging an end face of a tip portion of the shielded electric wire; a means for determining an arrangement of the plurality of core wires in a cross section of the electric wire at a position of the end face from an image of the end face captured by the imaging means; a means for calculating an arrangement of the plurality of core wires in a cross section of the electric wire at a position away from the end face by a predetermined length toward a base end side, based on an arrangement of the plurality of core wires in the cross section of the electric wire at the position of the end face and twisting data of the plurality of core wires of the shielded electric wire, which is determined
- the arrangement of the core wire inside the shielding material can be predictively detected even when it is hidden by a sheath or shielding material. Therefore, before the shielding material is removed and the core wire is extended in a straight line, the arrangement of the core wire exposed from the shielding material can be aligned at the base end and the tip end. This makes it possible to improve the straightness and dimensional accuracy of the core wire exposed from the shielding material after the inner terminal and outer terminal are attached, which in turn contributes to improving the transmission characteristics of the terminal processing unit.
- FIG. 1 is a process explanatory diagram of a terminal processing method using a core wire position detection device according to a first embodiment of the present invention.
- FIG. 2 is a process explanatory diagram of a terminal processing method using a core wire position detecting device according to a second embodiment of the present invention.
- FIG. 3 is a schematic perspective view showing a conventional shielded connector.
- FIG. 4 shows an outline of the relationship between the braid (shielding material), two core wires, and an inner terminal, and illustrates a case in which the arrangement of the two core wires exposed from the braid is different at the base end and the tip end, where the upper figure is a side view and the lower figure is a top view.
- FIG. 4 shows an outline of the relationship between the braid (shielding material), two core wires, and an inner terminal, and illustrates a case in which the arrangement of the two core wires exposed from the braid is different at the base end and the tip end, where the upper figure is a side view and the lower figure is a
- FIG. 5 shows an outline of the relationship between the braid (shielding material), two core wires, and an inner terminal, in which the arrangement of the two core wires exposed from the braid is aligned at the base end and the tip end, with the upper diagram being a side view and the lower diagram being a top view.
- FIG. 1 is a process diagram illustrating a terminal processing method using a core wire position detection device according to a first embodiment of the present invention.
- the shielded electric wire 10 used here has a braid (shielding material) 12 arranged inside an outermost resin sheath 11, and two core wires 15, 15 twisted together in a spiral shape arranged inside the braid 12. If necessary, a shielding foil (aluminum or copper foil) is arranged between the core wires 15, 15 and the braid 12.
- the terminal processing method of the first embodiment is an example in which a cylindrical sleeve 13 (see Figure 2) is not used to hold the braid 12 in place.
- the core position detection device used here is a core position detection device that detects the relative positions of the two core wires 15, 15 hidden inside the sheath 11 and shielding material 12 in the cross section of the wire during terminal processing of a shielded wire 10 in which two core wires 15, 15 are spirally twisted inside a braid (shielding material 12) covered with an insulating resin sheath 11.
- the core wire position detection device is configured to include a camera (imaging means) 100 that captures an image of the end face of the tip of the shielded electric wire 10, a means for determining the arrangement (mutual positional relationship) of the two core wires 15, 15 in the electric wire cross section A2 at the position of the end face from the image of the end face captured by the camera 100, and a means for calculating the arrangement of the two core wires 15, 15 in the electric wire cross section A1 at position A, a predetermined length away from the end face A2 toward the base end, from the arrangement of the two core wires 15, 15 in the electric wire cross section A2 at the position of the end face and twisting data of the two core wires 15, 15 of the shielded electric wire 10 that is determined in advance by specifications.
- a camera (imaging means) 100 that captures an image of the end face of the tip of the shielded electric wire 10
- the means for determining the arrangement of the two core wires 15, 15 in the electric wire cross section A2 at the position of the end face and the means for calculating the arrangement of the two core wires 15, 15 in the electric wire cross section A1 at position A are configured, for example, by a computer, although they are not particularly shown.
- Position A in this case is indicated by a " ⁇ " mark in the figure, and is the position of the end of the folded back braid 12 as shown in (c) to (f). In other words, it corresponds to the position of the base ends of the core wires 15, 15 exposed from the end of the braid 12.
- position A of the shielded wire 10 is moved to the processing reference position (movement of arrow X1), and the shielded wire 10 is rotated around its axis (movement of arrow X2) so that the arrangement of the two core wires 15, 15 in the wire cross section A1 at position A becomes a predetermined reference angular position.
- the position where the two core wires 15, 15 are lined up horizontally is set as the reference angular position.
- the sheath 11 on the tip side is stripped away from position A (the action of arrow X3).
- the internal braid 12 is exposed.
- the two core wires 15, 15 are hidden inside the braid 12.
- the braid exposed by stripping away the sheath 11 is trimmed to a predetermined length. For example, it is cut to a predetermined length as shown by the imaginary line in (c).
- the braid 12 after trimming is folded back at the edge of the remaining sheath 11 toward the base end of the electric wire, and the folded back portion 12a is placed over the outer circumference of the end of the remaining sheath 11.
- the two twisted core wires 15, 15 are exposed.
- the two core wires 15, 15 exposed by trimming and folding back the braid 12 are untwisted, and the two core wires 15, 15 are stretched in a straight line at the reference angle position.
- the arrangement of the two core wires 15, 15 will be aligned from the base end exposed from the braid 12 to the tip. This is because the arrangement of the core wires 15, 15 in the cross section A1 of the wire at position A has been detected in advance based on twisting data, and rotational adjustment has been performed in the process step (b) so that the arrangement of the core wires 15, 15 at position A will be the reference angle position.
- the insulating coatings 15b, 15b at the ends of the two core wires 15, 15 that are stretched in a straight line at the reference angle position are removed, and the inner terminals 20 are fixed to the exposed core conductors 15a, 15a, respectively. That is, the conductor clamping piece 20b extending rearward from the contact conductive portion 20a of the inner terminal 20 is clamped to the core conductor 15a, and the coating clamping piece 20c located rearward of the conductor clamping piece 20b of the inner terminal 20 is clamped to the insulating coating 15b of the core wire 15.
- the braid clamping piece (shielding material clamping piece) 202b of the outer terminal 202 (see FIG. 3) is clamped and fixed to the folded portion 12a of the braid 12, which is folded back so as to cover the end of the sheath 11 shown in (f). Thereafter, the assembly process is completed in the order described above using FIG. 3, thereby obtaining the terminal of the shielded electric wire 10 with the shielded connector fixed thereto.
- the arrangement of the two core wires 15, 15 exposed from the braid 12 after processing the braid 12 can be aligned from the base end to the tip of the exposed portion, and the core wires 15, 15 of the exposed portion can be extended linearly from the base end to the tip.
- the excess length of the core wires 15, 15 of the exposed portion can be reduced, and the tip of the core wire can be processed with the lengths of the two exposed core wires 15, 15 aligned, improving the transmission characteristics of the shielded connector.
- FIG. 2 is a process explanatory diagram of the terminal processing method according to the second embodiment.
- the shielded electric wire 10 used is the same as that in the first embodiment.
- the core position detection device used is also the same as that in the first embodiment.
- the end processing method of the second embodiment is an example in which a cylindrical sleeve 13 is used to hold down the braid 12.
- Position A in this case is indicated by a " ⁇ " mark in the figure, and is the position of the end of the folded-back braid 12 as shown in (d) to (h).
- a sleeve 13 since a sleeve 13 is used, it is the position of the edge of the sleeve 13 on the tip side of the wire, as will be described later. In other words, it corresponds to the position of the base ends of the core wires 15, 15 exposed from the end of the braid 12.
- position A of the shielded wire 10 is moved to the processing reference position (movement of arrow X1), and the shielded wire 10 is rotated around its axis (movement of arrow X2) so that the arrangement of the two core wires 15, 15 in the wire cross section A1 at position A becomes a predetermined reference angular position.
- the position where the two core wires 15, 15 are lined up horizontally is set as the reference angular position.
- the sheath 11 is stripped away to expose the braid 12, and a cylindrical sleeve 13 is fitted and fixed around the outer periphery of the braid 12 at the base end of the exposed braid 12.
- the braid 12 exposed by stripping off the sheath 11 is trimmed to a predetermined length, and the trimmed braid 12 is folded back toward the base end of the wire at the end of the sleeve 13 on the tip side of the wire, and the folded back portion 12a is placed over the outer circumference of the sleeve 13.
- the two twisted core wires 15, 15 are exposed.
- the two core wires 15, 15 exposed by trimming and folding back the braid 12 are untwisted, and the two core wires 15, 15 are stretched linearly at the reference angle position.
- the arrangement of the two core wires 15, 15 will be aligned from the base end exposed from the braid 12 to the tip. This is because the arrangement of the core wires 15, 15 within the cross section A1 of the wire at position A has been detected in advance based on twisting data, and rotational adjustment has been performed in the process stage of (b) so that the arrangement of the core wires 15, 15 at position A will be the reference angle position.
- the insulating coatings 15b, 15b at the ends of the two core wires 15, 15 that are stretched in a straight line at the reference angle position are removed, and the inner terminals 20 are fixed to the exposed core conductors 15a, 15a, respectively. That is, the conductor clamping piece 20b extending rearward from the contact conductive portion 20a of the inner terminal 20 is clamped to the core conductor 15a, and the coating clamping piece 20c located rearward of the conductor clamping piece 20b of the inner terminal 20 is clamped to the insulating coating 15b of the core wire 15.
- the braid clamping piece (shielding material clamping piece) 202b of the outer terminal 202 (see FIG. 3) is clamped and fixed to the folded portion 12a of the braid 12, which is folded back so as to cover the sleeve 13 shown in (g). Thereafter, the assembly process is completed in the order described above using FIG. 3, thereby obtaining the terminal of the shielded electric wire 10 with the shielded connector fixed thereto.
- the arrangement of the two core wires 15, 15 exposed from the braid 12 after processing the braid 12 can be aligned from the base end to the tip of the exposed portion, and the core wires 15, 15 of the exposed portion can be extended linearly from the base end to the tip.
- the excess length of the core wires 15, 15 of the exposed portion can be reduced, and the tip of the core wire can be processed with the lengths of the two exposed core wires 15, 15 aligned, improving the transmission characteristics of the shielded connector.
- the present invention is not limited to the above-described embodiment, and can be modified, improved, etc. as appropriate.
- the material, shape, dimensions, number, location, etc. of each component in the above-described embodiment are arbitrary as long as they can achieve the present invention, and are not limited.
- the number of core wires 15 is not limited to two.
- a braid is used as an example of a shielding material, but the present invention can also be applied to shielded electric wires that use shielding materials other than braid (e.g., shielding foil).
- a core position detection device for detecting a relative positional relationship between a plurality of core wires (15) inside a shielding material (12) covered with an insulating resin sheath (11) in a cross section (A1) of the shielded electric wire (10) in a terminal processing of the shielded electric wire (10) having a plurality of core wires (15) in a twisted state inside the shielding material (12),
- the core position detection device comprising: An imaging means (100) for imaging an end face of a tip portion of the shielded electric wire (10); a means for determining an arrangement of the plurality of core wires (15) within a cross section (A2) of the electric wire at the position of the end face from an image of the end face captured by the imaging means (100); a means for calculating an arrangement of the plurality of core wires (15) in the wire
- the core wire position detection device of the configuration [1] above can predict and detect the arrangement of the core wires that are hidden inside the shielding material and cannot be seen from the outside before the shielding material is processed. Therefore, the arrangement of the core wires exposed from the shielding material after the shielding material is processed can be aligned from the base end to the tip of the exposed part, and the core wires of the exposed part can be extended in a straight line from the base end to the tip. As a result, the excess length of the core wires in the exposed part can be reduced, and the tips of the core wires can be processed with the exposed core wires of the same length, improving the transmission characteristics of the shielded connector.
- the arrangement of the core wire (15) exposed from the shielding material (12) can be aligned from the base end to the tip of the exposed portion. Therefore, the core wire (15) of the exposed portion can be extended in a straight line from the base end to the tip, and as a result, the excess length of the core wire (15) of the exposed portion can be reduced, and the tip of the core wire can be processed with the exposed core wire (15) having the same length, improving the transmission characteristics of the shielded connector.
- the arrangement of the core wires (15) exposed from the shielding material (12) can be aligned from the base end to the tip of the exposed portion. Therefore, the core wires (15) in the exposed portion can be extended in a straight line from the base end to the tip. As a result, the excess length of the core wires (15) in the exposed portion can be reduced, and the tip of the core wire can be processed with the exposed core wires (15) aligned in length, improving the transmission characteristics of the shielded connector.
- Shielded wire 11 Sheath 12 Braid (shielding material) 12a Folded-back portion of braid 13 Sleeve 15 Core wire 15a Core wire conductor 15b Insulating coating 20 Inner terminal 100 Camera (imaging means) 202 Outer terminal 202b Braid clamping piece (shielding material clamping piece)
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Abstract
Description
(例えば、特許文献1参照)。
前記シールド電線の先端部の端面を撮像する撮像手段と、
前記撮像手段の撮像した前記端面の画像から該端面の位置における電線断面内での前記複数の芯線の配置を割り出す手段と、
前記端面の位置における電線断面内での前記複数の芯線の配置と、予め仕様により定められている前記シールド電線の複数の芯線の撚り合わせデータとから、前記端面から基端側に所定長だけ離れた位置における電線断面内での前記複数の芯線の配置を算出する手段と、
を備える、
芯線位置検出装置。
図2は、第2実施形態の端末処理方法の工程説明図である。
使用するシールド電線10は第1実施形態と同じである。また、使用する芯線位置検出装置も第1実施形態と同じである。
この第2実施形態の端末処理方法は、編組12を押さえるための筒状のスリーブ13を用いる合の例である。
[1] 絶縁樹脂のシース(11)で被覆されたシールド材(12)の内側に、複数本の芯線(15)が撚られた状態で内装されたシールド電線(10)の端末処理の際の、前記シールド材(12)の内側の複数の芯線(15)の電線断面(A1)内での相互位置関係を検出する芯線位置検出装置であって、
前記シールド電線(10)の先端部の端面を撮像する撮像手段(100)と、
前記撮像手段(100)の撮像した前記端面の画像から該端面の位置における電線断面(A2)内での前記複数の芯線(15)の配置を割り出す手段と、
前記端面の位置における電線断面(A1)内での前記複数の芯線(15)の配置と、予め仕様により定められている前記シールド電線(10)の複数の芯線の撚り合わせデータとから、前記端面から基端側に所定長だけ離れた所定位置(A)における電線断面(A1)内での前記複数の芯線(15)の配置を算出する手段と、
を備える、
芯線位置検出装置。
前記算出工程により得られた前記所定位置(A)における電線断面(A1)内での前記複数の芯線(15)の配置が、予め定めた基準角度位置となるように前記シールド電線(10)をその軸線周りに回転させる回転工程と、
前記回転工程で回転させた前記シールド電線(10)を前記基準角度位置に保持した状態で、前記所定位置(A)から先端側の前記シース(11)を剥ぎ取る剥ぎ取り工程と、
前記剥ぎ取り工程のシース(11)の剥ぎ取りにより露出したシールド材(12)の長さが所定長となるようにトリミング加工し、トリミング加工後のシールド材(12)を、残されたシース(11)の端縁の位置で電線の基端側に折り返して、その折り返し部分(12a)を、残されたシース(11)の端部外周に被せる折り返し工程と、
前記折り返し工程での前記シールド材(12)のトリミング加工および折り返しにより露出した前記複数の芯線(15)の撚りを解いて、前記基準角度位置上において直線状に伸長させる伸長工程と、
前記伸長工程で前記基準角度位置上において直線状に伸長させた複数の芯線(15)の先端の絶縁被覆(15b)を除去して、露出した芯線導体(15a)にそれぞれインナー端子(20)を固定する固定工程と、
前記シース(11)の端部に被さるように折り返した前記シールド材(12)の折り返し部(12a)にアウター端子(202)のシールド材加締片(202b)を加締め固定する加締め工程と、
を備える、
シールド電線の端末処理方法。
前記算出工程により得られた前記所定位置(A)における電線断面(A1)内での前記複数の芯線(15)の配置が、予め定めた基準角度位置となるように前記シールド電線(10)をその軸線周りに回転させる回転工程と、
前記回転工程で回転させた前記シールド電線(10)を前記基準角度位置に保持した状態で、前記所定位置(A)より、前記シールド材(12)の外周に嵌めるスリーブ(13)の軸線方向の長さ分だけ基端側に設定した基端側所定位置(B)から先端側の前記シース(11)を剥ぎ取る剥ぎ取り工程と、
前記剥ぎ取り工程のシース(11)の剥ぎ取りにより露出したシールド材(12)の外周に該露出したシールド材(12)の基端側に位置させて前記スリーブ(13)を嵌めて固定するスリーブ固定工程と、
前記シース(11)の剥ぎ取りにより露出したシールド材(12)の長さが所定長となるようにトリミング加工し、トリミング加工後のシールド材(12)を前記スリーブ(13)の端部の位置で電線の基端側に折り返して、その折り返し部分(12a)を、前記スリーブ(13)の外周に被せる折り返し工程と、
前記折り返し工程での前記シールド材(12)のトリミング加工および折り返しにより露出した前記複数の芯線(15)の撚りを解いて、前記基準角度位置上において直線状に伸長させる伸長工程と、
前記伸長工程で前記基準角度位置上において直線状に伸長させた複数の芯線(15)の先端の絶縁被覆(15b)を除去して、露出した芯線導体(15a)にそれぞれインナー端子(20)を固定する固定工程と、
前記スリーブ(13)に被さるように折り返した前記シールド材(12)の折り返し部(12a)にアウター端子(202)のシールド材加締片(202b)を加締め固定する加締め工程と、
を備える、
シールド電線の端末処理方法。
11 シース
12 編組(シールド材)
12a 編組の折り返し部
13 スリーブ
15 芯線
15a 芯線導体
15b 絶縁被覆
20 インナー端子
100 カメラ(撮像手段)
202 アウター端子
202b 編組加締片(シールド材加締片)
Claims (3)
- 絶縁樹脂のシースで被覆されたシールド材の内側に、複数本の芯線が撚られた状態で内装されたシールド電線の端末処理の際の、前記シールド材の内側の複数の芯線の電線断面内での相互位置関係を検出する芯線位置検出装置であって、
前記シールド電線の先端部の端面を撮像する撮像手段と、
前記撮像手段の撮像した前記端面の画像から該端面の位置における電線断面内での前記複数の芯線の配置を割り出す手段と、
前記端面の位置における電線断面内での前記複数の芯線の配置と、予め仕様により定められている前記シールド電線の複数の芯線の撚り合わせデータとから、前記端面から基端側に所定長だけ離れた所定位置における電線断面内での前記複数の芯線の配置を算出する手段と、
を備える、
芯線位置検出装置。 - 請求項1に記載の芯線位置検出装置により、前記所定位置における電線断面内での前記複数の芯線の配置を算出する算出工程と、
前記算出工程により得られた前記所定位置における電線断面内での前記複数の芯線の配置が、予め定めた基準角度位置となるように前記シールド電線をその軸線周りに回転させる回転工程と、
前記回転工程で回転させた前記シールド電線を前記基準角度位置に保持した状態で、前記所定位置から先端側の前記シースを剥ぎ取る剥ぎ取り工程と、
前記剥ぎ取り工程のシースの剥ぎ取りにより露出したシールド材の長さが所定長となるようにトリミング加工し、トリミング加工後のシールド材を、残されたシースの端縁の位置で電線の基端側に折り返して、その折り返し部分を、残されたシースの端部外周に被せる折り返し工程と、
前記折り返し工程での前記シールド材のトリミング加工および折り返しにより露出した前記複数の芯線の撚りを解いて、前記基準角度位置上において直線状に伸長させる伸長工程と、
前記伸長工程で前記基準角度位置上において直線状に伸長させた複数の芯線の先端の絶縁被覆を除去して、露出した芯線導体にそれぞれインナー端子を固定する固定工程と、
前記シースの端部に被さるように折り返した前記シールド材の折り返し部にアウター端子のシールド材加締片を加締め固定する加締め工程と、
を備える、
シールド電線の端末処理方法。 - 請求項1に記載の芯線位置検出装置により、前記所定位置における電線断面内での前記複数の芯線の配置を算出する算出工程と、
前記算出工程により得られた前記所定位置における電線断面内での前記複数の芯線の配置が、予め定めた基準角度位置となるように前記シールド電線をその軸線周りに回転させる回転工程と、
前記回転工程で回転させた前記シールド電線を前記基準角度位置に保持した状態で、前記所定位置より、前記シールド材の外周に嵌めるスリーブの軸線方向の長さ分だけ基端側に設定した基端側所定位置から先端側の前記シースを剥ぎ取る剥ぎ取り工程と、
前記剥ぎ取り工程のシースの剥ぎ取りにより露出したシールド材の外周に該露出したシールド材の基端側に位置させて前記スリーブを嵌めて固定するスリーブ固定工程と、
前記シースの剥ぎ取りにより露出したシールド材の長さが所定長となるようにトリミング加工し、トリミング加工後のシールド材を前記スリーブの端部の位置で電線の基端側に折り返して、その折り返し部分を、前記スリーブの外周に被せる折り返し工程と、
前記折り返し工程での前記シールド材のトリミング加工および折り返しにより露出した前記複数の芯線の撚りを解いて、前記基準角度位置上において直線状に伸長させる伸長工程と、
前記伸長工程で前記基準角度位置上において直線状に伸長させた複数の芯線の先端の絶縁被覆を除去して、露出した芯線導体にそれぞれインナー端子を固定する固定工程と、
前記スリーブに被さるように折り返した前記シールド材の折り返し部にアウター端子のシールド材加締片を加締め固定する加締め工程と、
を備える、
シールド電線の端末処理方法。
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| CN202380064826.1A CN119856348A (zh) | 2022-12-07 | 2023-12-06 | 用于屏蔽线端子加工的芯线位置检测装置及屏蔽线端子加工方法 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001357960A (ja) * | 2000-06-12 | 2001-12-26 | Yazaki Corp | シールド電線加工装置及びシールド電線加工方法 |
| JP2007132812A (ja) * | 2005-11-10 | 2007-05-31 | Japan Automat Mach Co Ltd | 電線端末部の芯線検査装置 |
| JP2016197962A (ja) * | 2015-04-03 | 2016-11-24 | 平田機工株式会社 | 処理方法、製造方法及び位置決め装置 |
| JP2018088352A (ja) * | 2016-11-29 | 2018-06-07 | 住友電装株式会社 | ツイスト電線セット用治具および端子圧着装置 |
| WO2018198711A1 (ja) * | 2017-04-26 | 2018-11-01 | 住友電装株式会社 | 撚りほどき装置および電線端部加工装置 |
| JP2021015700A (ja) * | 2019-07-11 | 2021-02-12 | 矢崎総業株式会社 | シールドコネクタ |
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2022
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- 2023-12-06 CN CN202380064826.1A patent/CN119856348A/zh active Pending
- 2023-12-06 DE DE112023005077.5T patent/DE112023005077T5/de active Pending
- 2023-12-06 WO PCT/JP2023/043716 patent/WO2024122593A1/ja not_active Ceased
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001357960A (ja) * | 2000-06-12 | 2001-12-26 | Yazaki Corp | シールド電線加工装置及びシールド電線加工方法 |
| JP2007132812A (ja) * | 2005-11-10 | 2007-05-31 | Japan Automat Mach Co Ltd | 電線端末部の芯線検査装置 |
| JP2016197962A (ja) * | 2015-04-03 | 2016-11-24 | 平田機工株式会社 | 処理方法、製造方法及び位置決め装置 |
| JP2018088352A (ja) * | 2016-11-29 | 2018-06-07 | 住友電装株式会社 | ツイスト電線セット用治具および端子圧着装置 |
| WO2018198711A1 (ja) * | 2017-04-26 | 2018-11-01 | 住友電装株式会社 | 撚りほどき装置および電線端部加工装置 |
| JP2021015700A (ja) * | 2019-07-11 | 2021-02-12 | 矢崎総業株式会社 | シールドコネクタ |
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| MX2025002691A (es) | 2025-04-02 |
| JP2024082082A (ja) | 2024-06-19 |
| JP7553534B2 (ja) | 2024-09-18 |
| CN119856348A (zh) | 2025-04-18 |
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