EP0473036A2 - Machine de pliage de fil pour fil isolé - Google Patents

Machine de pliage de fil pour fil isolé Download PDF

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Publication number
EP0473036A2
EP0473036A2 EP91113832A EP91113832A EP0473036A2 EP 0473036 A2 EP0473036 A2 EP 0473036A2 EP 91113832 A EP91113832 A EP 91113832A EP 91113832 A EP91113832 A EP 91113832A EP 0473036 A2 EP0473036 A2 EP 0473036A2
Authority
EP
European Patent Office
Prior art keywords
wire
bending
carrier
rollers
machine according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP91113832A
Other languages
German (de)
English (en)
Other versions
EP0473036B1 (fr
EP0473036A3 (en
Inventor
Rob Van Hoorn
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ABB BV
Original Assignee
Bv Hollandse Apparatenfabriek Haf
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bv Hollandse Apparatenfabriek Haf filed Critical Bv Hollandse Apparatenfabriek Haf
Publication of EP0473036A2 publication Critical patent/EP0473036A2/fr
Publication of EP0473036A3 publication Critical patent/EP0473036A3/de
Application granted granted Critical
Publication of EP0473036B1 publication Critical patent/EP0473036B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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

Definitions

  • the invention relates to a wire bending machine according to the preamble of claim 1.
  • Wiring in electrical engineering devices often requires insulated wires made of solid material, which are cut to a certain length and bent into a certain shape, the ends of the bent wires having to be stripped so that the pieces of wire can be reworked at the appropriate places in the device without rework can be inserted and connected in an electrically conductive manner.
  • pieces of wire of a certain length were cut from an endless wire, stripped of insulation and bent into the appropriate shape using a bending machine.
  • the bending machine contained two jaws that could be moved towards each other, between which the wire to be bent was manually inserted has been; the jaws were in the shape that the wire should be bent, such as an L-shape and the like. The bending process was triggered manually each time.
  • a wire bending machine in which the bending process for wire pieces is essentially automatic is known.
  • This wire bending machine has a wire feed station which has two pairs of opposing rollers between which the wire is conveyed; it has a bending station by means of which the wire is bent, a stripping station and a cutting station.
  • the bending station has suitably associated jaws of a desired shape, similar to the jaw shape of the device described above. However, this means that only one bending shape can be produced at a time; if the wire is to be bent into another bending shape, the jaws of the bending station must be replaced.
  • the object of the invention is to provide a wire bending machine of the type mentioned, in which wire with different thicknesses can be bent in any shape with any wire length without exchanging elements and components.
  • the bending station has a support which can be rotated about the longitudinal axis of the wire and on which is mounted a bending pin which can be rotated eccentrically about an axis running perpendicular thereto. If the eccentrically arranged bending pin is rotated about its axis of rotation, then the wire protruding from the carrier can pass through the Pins are bent, the direction of bending being dependent on the angular position of the support and thus the axis of rotation of the bending pin. This allows the bends to be bent in different directions so that any bending shape can be achieved.
  • the carrier and the bending pin carrier to which the bending pin is attached can expediently be set in rotation about their own axis independently of one another.
  • a motor for rotating the bending pin carrier can be fastened to the carrier, and on the other hand the carrier can have a cylinder section and a bearing block attached to it, with a cylindrical bore in which the axis of rotation of the bending pin carrier is rotatably mounted.
  • the cylinder section of the carrier comprises a drive shaft (also called a drive pin) with a central through hole for receiving the wire, with rotary bearings being provided between the cylinder section and the drive pin or the drive shaft.
  • the drive shaft preferably has a bevel gear, which meshes with the bending pin carrier, which is also designed as a bevel gear.
  • the carrier can be controlled together with the drive pin and the bending pin carrier in such a way that the plane of rotation or rather the rotary cylinder described by the bending pin with its or its central axis each Take any angular position in relation to the central axis of the wire fed can. Accordingly, the wire can be bent in any direction.
  • a motor is attached to the support for driving the bending pin support; here, however, since when the carrier is rotated, the motor also rotates, so that a high output is required for driving the carrier because of the weight of the motor for the turntable.
  • the drive motor for the carrier is considerably lighter and simpler to design than the version with its own motor for the bending pin carrier.
  • two drive motors are provided which preferably drive the drive pin and the carrier by means of a toothed belt drive.
  • two pairs of rollers are provided, each having a driven and a loosely rotating wheel, which promote the connection of the wire between them by friction.
  • At least one stripping station is then provided in the intermediate area, ie in the area between the two pairs of rollers.
  • the pressure of the pair of rollers located at the front in the conveying direction on the wire located between them is greater than that of the rear pair of rollers, so that the wire area is tensioned between the pairs of rollers.
  • the idler, idler rollers of each pair of rollers can be lifted off the other roller. This prevents the wire from being threaded between the pairs of rollers in the direction of its longitudinal axis. The wire can then simply be inserted laterally.
  • each of the stripping stations is responsible for one wire diameter.
  • each stripping station can advantageously be chosen so that the stripping station has an anvil on which the wire rests, the support surface (anvil surface) in the direction transverse to the conveying direction of the wire corresponds approximately to the diameter of the core of the wire, that a relative to that Anvil U-shaped cutting element displaceable perpendicular to the conveying direction is provided, the leg ends of which are provided with cutting edges, and that the spacing of the legs corresponds to the width of the anvil surface and thus approximately the thickness of the core of the wire, so that insulating sections are moved by moving the cutting element over the anvil cut off on the insulation of the wire.
  • the front and rear of the anvil or the cutting element are provided with vertically extending cutting knives connected in such a way that the insulation of the wire in front of and behind the anvil or the cutting element is cut off from above and from below.
  • the entire bending device for wire is of course only suitable for wire made of solid material.
  • the entire bending device is controlled electronically by means of a program control.
  • the program contains the device data, the number and the distance of the stripping device, the distance of the bending head and the distance of the cutting device (scissors) from a reference point. This reference point is preferably the bending point.
  • This data are entered into the program control: diameter of the wire, length of the wire between the bending point and the cutting length, bending direction, number of bent wire pieces, stripping length.
  • the computer calculates the stripping point, the required feed and the angle of rotation of the stepper motors, whereby the bending radius is taken into account when dimensioning the cutting length, depending on the wire thickness. Furthermore, the stripping station corresponding to the wire diameter is always activated.
  • the bending device according to FIG. 1 has a base frame 10, which consists of two spaced apart feet 11 and 12 made of U-shaped profile material, one cross bar 13 and 14 arranged at the upper end of each foot 11 and 12, and two on the cross bars 13 and 14 attached horizontal support tubes 15 and 16 is formed.
  • a plurality of clamping devices 17, 18, 19, 20, 21 and 22 are fastened between the support pipes 15 and 16 (and a clamping device 17 to 22 is fastened on each support pipe 15 and 16, which clamping devices 17 to 22 for fixing and holding) the individual components of the bending device on the support tubes 15 and 16).
  • the clamping devices 17 to 22 are slidably fastened on the support tubes 15 and 16 in the direction of the support tubes 15 and 16.
  • a support plate 23 and 24 are attached, on each of which two bearing blocks 25 and 26, 251 / 261 and 252 / 262 are screwed.
  • the two bearing blocks 25 and 26 each have a distance between them and are penetrated by a drive shaft 27 and 28, respectively. Both drive shafts extend transversely to the longitudinal extent of the carrier tubes 15 and 16, respectively.
  • a roller wheel 29 and 30 On both drive shafts 27 and 28 between the two bearing blocks 25 and 26 there is a roller wheel 29 and 30, the roller wheel 29 on the left in the drawing FIG. 1 by means of a drive motor 31 is driven.
  • gears 32 and 33 At the free end of the drive shafts 27 and 28 there are gears 32 and 33 which are wound around each other by a toothed belt, so that this results in a toothed belt drive through which the gear 33 is driven with the roller 30.
  • a loosely running roller 35 and 36 interacts with the rollers 29 and 30, which two rollers 35 and 36 are each pressed against the lower rollers 29 and 30 by means of a spring arrangement 37 and 38.
  • the two spring arrangements 37 and 38 are the same, so that only the spring arrangement facing the viewer is to be described.
  • a support frame 39 is fastened on the support plate 23 and is formed from a base plate 40, two transverse side plates 41 and 42 and a transverse support wall 44 provided with a recess 43.
  • the base plate 40 lies on the support plate 23 and is fastened to it.
  • the two side walls 41 and 42 run perpendicular to the base plate 40 and transversely to the longitudinal extension of the two support tubes and the support wall 44 extends perpendicular to the base plate 40, perpendicular to the side walls 41 and 42 and parallel to the longitudinal extension of the support tubes.
  • the drive motor 31 is fastened, and the end of the drive shaft 27 on the drive motor side passes through the support wall 44 at the bore 43.
  • a bore 45 is provided on the upper end of the side walls 41 and 42 opposite the base plate 40, only the bore of the side wall 41 is visible.
  • the bore 45 is penetrated by an axis of rotation 46 and serves to support a triangular holder 47, on the tip of which the roller 35 is mounted.
  • a bolt 48 is attached, at the free end of a cross plate 49 is attached.
  • a compression spring 51 which presses the bridge element 50 and thus the triangular support 47 downwards, that is to say against the bearing block 25 1 and thus the roller 35 against the roller 29.
  • a pivot lever 52 is rotatably supported, which rests with its tip on the upper surface of the bearing block 25 1.
  • the triangular support can be raised so that the roller 35 is raised and a wire to be fed (not shown) are inserted laterally across the roller plane between the rollers.
  • roller 36 can also be lifted off the roller 30 by means of a pivoting lever 522.
  • the diameter of the roller 30 is slightly larger than the diameter of the roller 29, so that the pressure between the rollers 30, 36 on the wire is greater than the pressure between the rollers 35 and 29.
  • the peripheral speed of the roller 30 is greater than that Roll 29, which is why the wire between the two pairs of rollers 35/29 and 36/30 is stretched.
  • each of the stripping devices 53, 54 and 55 has a fixed anvil 56, on the front and rear sides of which a cutting knife 57 and 58 is arranged in the conveying direction of the wire, which cutting knives 57, 58 have the upper anvil surface 59 protrude according to the thickness of the insulation of the wire to be stripped.
  • a semi-circular recess 60 or 61 corresponding to the thickness of the wire insulation is provided on the cutting knife 57 or 58 at its upper edge.
  • the fixed anvil 56 interacts with a cutting element 62 which can be displaced in the vertical direction.
  • the cutting element 62 is U-shaped and accordingly has two legs 63 and 64, the clearance between which corresponds to the thickness of the fixed anvil transverse to the conveying direction.
  • the ends of the legs 63 and 64 are sharpened by a bevel 65 and 66 and thus have cutting edges 67 and 68.
  • Connected to the cutting element 62 are upper cutting knives 69 and 70, which correspond to the lower cutting knives, correspondingly project beyond the cutting edges 67 and 68 and also have a recess 71, only the front recess 71 being visible in FIG. 4.
  • Figure 5 shows the effect of the stripping station.
  • a wire 72 with a wire core 73 and an insulation 74 enveloping it.
  • the cutting edges 67 and 68 cut off the insulation regions which protrude beyond the side surfaces of the anvil 56; the cut-off partial areas 75, 76 of the insulation 64 are segment-like and are shown in FIG. 5 on the left and on the right, sloping downward.
  • the insulation 74 is cut in the vertical direction by the front and rear cutting knives 57, 58, 69, 70 and when the wire 72 is conveyed further, the upper and lower insulating masses 77 and 78, which are still located between the legs 63 and 64, fall in FIG out.
  • the wire is stripped.
  • the bearing block 91a can be seen schematically, which has a cylindrical longitudinal bore 92, in which the cylindrical section 93 of a carrier 94 is rotatably mounted by means of bearing elements 95, preferably ball bearings.
  • the cylindrical section 93 is likewise provided with a cylindrical bore 96, in the interior of which a drive shaft or a drive pin 99, which is mounted with a through bore 98, is received by means of bearing elements 97.
  • the drive pin has a bevel gear 100.
  • the drive pin 99 has a gear 101, which is coupled via a toothed belt drive 102 to the pinion 103 of a fixedly mounted drive motor 104.
  • the drive motor 104 can be seen in FIG. 1 on the right-hand side in the conveying direction of the wire.
  • the cylindrical section 93 is also connected at its rear end, as seen in the conveying direction, by means of a toothed belt drive 105 to a drive motor 106, which drive motor 106 is located on the left side of the device (see FIG. 1).
  • the carrier 94 has an eccentric projection 107, in which a receiving bore 108 running transversely to the conveying direction of the wire is made, in which a pin 110 is supported by means of bearing elements 109, on the axis of the conveying axis of the wire, which is denoted by MM in FIG. 2 , facing end, a turntable 111 serving as a bending pin carrier is attached, on which a bending pin 112 is attached eccentrically to the central axis of the pin 110.
  • This bending pin 112 rotates about the central axis of the pin 110 and in this way describes a hollow cylinder which is penetrated by the central axis of the conveying direction of the wire is, so that when the wire protrudes from the through hole 98, the bending pin 112 can bend the wire when it is driven by the turntable 111 on its cylindrical arc.
  • the turntable 111 is also designed as a bevel gear and meshes with the bevel gear 100.
  • the drive pin 99 is driven by means of the motor 104, as a result of which the bevel gear 100 and thus also the bevel gear 111 rotate. If the bending direction is to change, both motors 104 and 106 are driven. And because the peripheral speeds of the bevel gears 100 and 111 are the same, the pin 112 remains in its angular position with respect to the pin 110.
  • the motor 106 probably causes the projection 107 to rotate, but the bending pin 112 does not rotate about its axis.
  • the rotary movement of the pin 112 about the central axis of the pin 110 can also be measured by a rotary transducer on the motor 104, so that no right angles are bent, but angles between 0 and 90 °. Of course, such a rotary transducer can also be arranged on the motor 106 in order to be able to adjust the angular position of the carrier.
  • FIG. 3 shows a further embodiment of the invention.
  • a carrier 114 in the form of a hollow cylindrical shaft is mounted in the bearing block 91a.
  • the rear end seen in the conveying direction, on the left in FIG. 3, is provided with a toothed wheel 115 which is coupled via a toothed belt 116 to a pinion 117 of a drive motor 118.
  • a drive motor 122 is attached, the longitudinal axis of which is oriented transversely to the line M-M.
  • the motor pin 123 passing through the leg 121 carries a turntable 124, to which a bending pin 125 is fastened.
  • the mode of operation is the same as that of the device according to FIG. 2, only the motor 104 as the motor 122 being fastened directly to the carrier head via the L-shaped holder 119. Due to the weight ratios of the motor 122, the arrangement according to FIG. 3 is not quite as optimal as that according to FIG. 2.
  • FIG. 6 shows a roller arrangement or a pair of rollers with a driven roller 29 and a loose idler roller 35.
  • the idler idler roller 35 has a V-shaped cutout 126 on the circumference, so that the wire 72 is pressed at three points, as by arrows P1, P2 and P3 are shown.
  • the drive motors 104, 106; 118 and 120 are stepper motors that can be rotated into certain angular positions of their drive pins.
  • the cutting element 62 is pulled down by means of a piston-cylinder arrangement 79, 80, 81.
  • the cutting element 62 can also be arranged in a stationary manner and the anvil 56 can be moved upwards. Under certain control circumstances, both can also be moved against one another by means of suitable mechanics.
  • the central bore 98 through the drive pin 99 must of course be shaped accordingly in the area in which the bending pin 112 is located. Accordingly, it has a constriction, not shown in FIG. 2, at the front end located in the conveying direction, the inside diameter of which corresponds to the largest wire diameter, and at the transition from the inner wall of this constriction to the outer end face of the drive pin, which in FIG Bevel gear 100, a circular transition is provided, through which a bending radius is formed.
  • there is a kind of funnel the funnel opening of which corresponds to the required bending radius.
  • the bending device or bending machine is controlled electronically by means of a program control, the program control controlling the electric motors for bending and advancing the wire, as well as electromagnetic valves for actuating the piston-cylinder arrangement 79, 80 and 81.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Wire Processing (AREA)
EP91113832A 1990-08-25 1991-08-19 Machine de pliage de fil pour fil isolé Expired - Lifetime EP0473036B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4026989A DE4026989C2 (de) 1990-08-25 1990-08-25 Drahtbiegemaschine für mit Isolierung versehenen Draht
DE4026989 1990-08-25

Publications (3)

Publication Number Publication Date
EP0473036A2 true EP0473036A2 (fr) 1992-03-04
EP0473036A3 EP0473036A3 (en) 1992-08-12
EP0473036B1 EP0473036B1 (fr) 1994-07-27

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Application Number Title Priority Date Filing Date
EP91113832A Expired - Lifetime EP0473036B1 (fr) 1990-08-25 1991-08-19 Machine de pliage de fil pour fil isolé

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EP (1) EP0473036B1 (fr)
DE (2) DE4026989C2 (fr)

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WO2018134115A1 (fr) * 2017-01-18 2018-07-26 Wafios Aktiengesellschaft Procédé et système de fabrication de pièces pliées en un matériau plat isolé
WO2020126259A1 (fr) * 2018-12-17 2020-06-25 Auto-Kabel Management Gmbh Procédé et dispositif pour produire un conducteur électrique
DE102019111940A1 (de) * 2019-05-08 2020-11-12 Wafios Aktiengesellschaft Umformmaschine zum Herstellen von Biegeteilen aus isoliertem länglichem Material
CN113023463A (zh) * 2019-12-25 2021-06-25 四川汇智众创科技有限公司 一种网线自动送料装置
CN113113830A (zh) * 2021-04-23 2021-07-13 东莞市思榕智能装备有限公司 折弯装置及折弯设备
CN114101542A (zh) * 2021-11-12 2022-03-01 昆山派胜智能科技有限公司 一种线材装配装置及方法
CN114309347A (zh) * 2022-01-11 2022-04-12 浙江田中精机股份有限公司 一种快速导线折弯机构
DE102020129360A1 (de) 2020-11-06 2022-05-12 Wafios Aktiengesellschaft Maschine und Verfahren zum Herstellen von an ihren Enden abisolierten Werkstücken aus isoliertem länglichem Material
CN115108410A (zh) * 2022-07-25 2022-09-27 合肥神马科技集团有限公司 一种电驱动直线布缆机控制系统
CN118080731A (zh) * 2024-04-26 2024-05-28 龙焱能源科技（杭州）有限公司 电极引出线铺设弯折一体设备及电极引出线铺设弯折方法
CN118308679A (zh) * 2024-04-09 2024-07-09 东莞珀韵电子有限公司 一种自动镀锡穿套管机及穿套管方法

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CN102916323B (zh) * 2012-10-29 2014-12-10 华南农业大学 一种自动剥多芯线的一体机及其剥线方法
DE202016105999U1 (de) * 2016-10-25 2018-01-26 Leoni Bordnetz-Systeme Gmbh Vorrichtung für die Konfektionierung von Mantelleitungen
CN110125287B (zh) * 2018-06-26 2024-01-16 浙江核芯流体装备有限公司 一种石化渣油过滤滤芯生产设备
CN113871109B (zh) * 2021-08-31 2024-04-09 海南万信达电线电缆有限公司 一种新能源设备回收用电缆线皮芯分离设备
CN115041595B (zh) * 2022-04-19 2024-04-02 苏州泰科贝尔直驱电机有限公司 异形管材自动向心折弯成型机构及包含它的整机
CN115055603B (zh) * 2022-06-14 2025-02-18 强联智创（北京）科技有限公司 一种金属丝塑形机构以及塑形针塑形设备
CN116422745B (zh) * 2023-03-10 2025-11-28 凌云工业股份有限公司 一种滚动体结构式管梁弯曲成形装置

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CN110392611B (zh) * 2017-01-18 2021-02-09 瓦菲奥斯股份公司 由绝缘扁平材料产生弯曲部分的方法和系统
WO2018134115A1 (fr) * 2017-01-18 2018-07-26 Wafios Aktiengesellschaft Procédé et système de fabrication de pièces pliées en un matériau plat isolé
WO2020126259A1 (fr) * 2018-12-17 2020-06-25 Auto-Kabel Management Gmbh Procédé et dispositif pour produire un conducteur électrique
DE102019111940A1 (de) * 2019-05-08 2020-11-12 Wafios Aktiengesellschaft Umformmaschine zum Herstellen von Biegeteilen aus isoliertem länglichem Material
WO2020225369A1 (fr) 2019-05-08 2020-11-12 Wafios Aktiengesellschaft Machine de formage et procédé de production de pièces cintrées à partir d'un matériau allongé isolé doté d'extrémités dénudées
CN113023463A (zh) * 2019-12-25 2021-06-25 四川汇智众创科技有限公司 一种网线自动送料装置
WO2022096325A1 (fr) 2020-11-06 2022-05-12 Wafios Aktiengesellschaft Machine et procédé de fabrication de pièces, dénudées à leurs extrémités, à partir d'un matériau allongé isolé
DE102020129360B4 (de) 2020-11-06 2024-04-18 Wafios Aktiengesellschaft Maschine und Verfahren zum Herstellen von an ihren Enden abisolierten Werkstücken aus isoliertem länglichem Material
DE102020129360A1 (de) 2020-11-06 2022-05-12 Wafios Aktiengesellschaft Maschine und Verfahren zum Herstellen von an ihren Enden abisolierten Werkstücken aus isoliertem länglichem Material
CN113113830A (zh) * 2021-04-23 2021-07-13 东莞市思榕智能装备有限公司 折弯装置及折弯设备
CN114101542A (zh) * 2021-11-12 2022-03-01 昆山派胜智能科技有限公司 一种线材装配装置及方法
CN114101542B (zh) * 2021-11-12 2024-02-27 昆山派胜智能科技有限公司 一种线材装配装置及方法
CN114309347A (zh) * 2022-01-11 2022-04-12 浙江田中精机股份有限公司 一种快速导线折弯机构
CN115108410A (zh) * 2022-07-25 2022-09-27 合肥神马科技集团有限公司 一种电驱动直线布缆机控制系统
CN118308679A (zh) * 2024-04-09 2024-07-09 东莞珀韵电子有限公司 一种自动镀锡穿套管机及穿套管方法
CN118080731A (zh) * 2024-04-26 2024-05-28 龙焱能源科技（杭州）有限公司 电极引出线铺设弯折一体设备及电极引出线铺设弯折方法

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EP0473036B1 (fr) 1994-07-27
DE4026989A1 (de) 1992-02-27
EP0473036A3 (en) 1992-08-12
DE59102329D1 (de) 1994-09-01
DE4026989C2 (de) 1994-01-13

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