EP3812060B1 - Appareil pour le dressage de câbles - Google Patents

Appareil pour le dressage de câbles Download PDF

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Publication number
EP3812060B1
EP3812060B1 EP19204346.1A EP19204346A EP3812060B1 EP 3812060 B1 EP3812060 B1 EP 3812060B1 EP 19204346 A EP19204346 A EP 19204346A EP 3812060 B1 EP3812060 B1 EP 3812060B1
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EP
European Patent Office
Prior art keywords
roller
straightening apparatus
rollers
roller group
straightening
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.)
Active
Application number
EP19204346.1A
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German (de)
English (en)
Other versions
EP3812060A1 (fr
Inventor
Stefan Viviroli
Marco Della Torre
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.)
Komax Holding AG
Original Assignee
Komax Holding AG
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 Komax Holding AG filed Critical Komax Holding AG
Priority to EP19204346.1A priority Critical patent/EP3812060B1/fr
Priority to RS20221169A priority patent/RS63831B1/sr
Priority to JP2020169582A priority patent/JP2021065934A/ja
Priority to CN202011099711.0A priority patent/CN112769021A/zh
Priority to US16/949,178 priority patent/US11590556B2/en
Priority to MX2020011108A priority patent/MX2020011108A/es
Publication of EP3812060A1 publication Critical patent/EP3812060A1/fr
Application granted granted Critical
Publication of EP3812060B1 publication Critical patent/EP3812060B1/fr
Active legal-status Critical Current
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F1/00—Bending wire other than coiling; Straightening wire
    • B21F1/02—Straightening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F11/00—Cutting wire
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F23/00—Feeding wire in wire-working machines or apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
    • B21D3/02—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers
    • B21D3/05—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers arranged on axes rectangular to the path of the work

Definitions

  • the invention relates to a straightening device for straightening cables according to the preamble of claim 1.
  • the straightening device can be part of a cable processing machine.
  • Such cable processing machines are used for the assembly of electric cables. When assembling cables, cables can be cut to length and stripped and then the cable ends can be crimped.
  • the cable processing machines can also include grommet stations, in which the stripped cable ends are equipped with grommets before crimping.
  • the cables such as insulated strands or solid conductors made of copper or steel, which are processed on a cable processing machine, are usually provided in barrels, on rolls or as a bundle and are therefore more or less strongly curved and twisted after unwinding.
  • Straightened cables are important in order to be able to reliably carry out process steps such as stripping, crimping and, if necessary, fitting with connector housings on the cable processing machine. In order to straighten the cables as much as possible, they are usually pulled through a straightening apparatus attached to the infeed of the machine with the aid of the drives present in the cable processing machine.
  • the pamphlet U.S. 5,676,010 A shows a straightening apparatus and forms the basis for the preamble of claim 1.
  • a straightener is, for example, from EP 2 399 856 A1 known.
  • the straightener has an upper and a lower set of rollers.
  • the cable to be straightened is passed between the rollers of the two groups of rollers in a transport direction.
  • the roller groups can be moved relative to each other. Starting from an open position, the upper roller group is first displaced in a closed direction, which runs at right angles to the transport direction of the cable, against the lower roller group into a closed position. In this closed position, the rollers of the upper and lower roller groups, which run parallel to one another, are on the cable and touch it. This process is also known and familiar to the person skilled in the art under the designation "delivery".
  • the distance between the rollers can be adjusted manually using a rotary knob.
  • An additional quick-release lever enables the straightener to be opened and closed quickly when removing and Laying the cable between the rollers.
  • the roller spacing can also be adjusted automatically.
  • the infeed mechanism for moving the upper group of rollers against the lower group of rollers is provided with a motor drive.
  • this variant is technically complex and expensive.
  • the straightening device for straightening cables comprises a first group of rollers having several rollers and a second group of rollers opposite the first group of rollers and having several rollers, with the cable being able to be passed through in a transport direction alternately between the rollers of the first roller group and the rollers of the second roller group.
  • the straightening apparatus further comprises an infeed device that can be actuated manually or driven by a motor, for example, with which the first group of rollers can be displaced against the second group of rollers. Because the straightening apparatus includes securing means for securing the position of the first group of rollers, the distance between the rollers can be set precisely. The delivery, ie the process in which the first roller group is brought from an open position to a closed position, can be carried out in an efficient manner.
  • the first group of rollers can be moved from the open position in the closing direction, which runs transversely and preferably at right angles to the transport direction, against the second group of rollers to adjust the distance between the rollers of the first and second group of rollers.
  • the open position is the position in which the rollers of the first and second rows of rollers are spaced far enough apart that the cable can be inserted between the rollers.
  • the closed position is the position after the sliding movement has ended; the delivery process is complete. In the closed position, the rollers of the first and second roller groups touch the ideal cable in such a way that it has a straight and not a wavy course.
  • the straightening apparatus may comprise a first roller support for the first roller group to which the rollers of the first roller group are freely rotatably mounted and a second roller support for the second roller group to which the rollers of the second roller group are freely rotatably mounted.
  • the straightening apparatus can have a frame, for example in the form of a base plate, for carrying the first and the second roller support, the first roller support being mounted in the frame so that it can be displaced in the closing direction.
  • the straightening apparatus for forming the securing means includes a return lock, which blocks a reverse movement of the first roller group counter to the closing direction during the infeed process. Thanks to the backstop, the straightening device can be operated reliably, ergonomically and efficiently with regard to the infeed process.
  • discrete backstops such as backstops based on a ratchet mechanism can be provided.
  • a ratchet mechanism can, for example, comprise teeth and a pawl which interacts therewith. With the ratchet mechanism, however, mitral movement would be possible. It is therefore advantageous that the infeed device of the straightening apparatus includes a stepless backstop. Infinitely variable backstops have the advantage of being able to prevent virtually all unwanted reverse movement.
  • the aforementioned backstop can be configured as a positively acting backstop.
  • the backstop can also be designed as a non-positively acting backstop.
  • other backstops are also conceivable.
  • the backstop could be a hydraulic cylinder; if the roller support wants to move back, the outflow of hydraulic oil from the hydraulic cylinder is prevented by non-return valves and the backstop is thus effective.
  • first roller support is supported on the frame by a spring element, in particular a helical compression spring, which acts on the first roller support with a spring force counter to the closing direction. Safe functioning of the backstop can thus be guaranteed in a simple manner.
  • the backstop can comprise a clamping body and in particular a clamping roller, the clamping body or the clamping roller being accommodated in a wedge gap.
  • the wedge gap can be a receptacle for the clamping body that tapers in relation to the closing direction. Due to the wedge effect, the clamping body pressed into the wedge gap can reliably block a return movement of the first roller support.
  • the backstop can include a spring for generating a preload for the clamping body, in particular the clamping roller.
  • the spring-loaded clamping body is constantly pressed into the wedge gap and thus ensures reliable functioning of the backstop.
  • the first roller support can have a wedge-shaped contact surface which, together with a stationary counter surface, forms the wedge gap.
  • the stationary counter-surface can be formed, for example, by a guide surface assigned to the frame, along which the first roller support can be guided during the closing process.
  • Alternative backstops could include two wedges, the wedges having oppositely directed, sloping wedge surfaces which, if reverse movement were to occur, would be urged together preventing reverse movement.
  • Other alternative backstops could include eccentric bodies.
  • the straightening apparatus can have a manually operable infeed device with an operating element that can be moved linearly in the closing direction, in particular in the form of a button, via which the first roller support or the first roller group can be displaced in the closing direction, for example by pressing the operating element.
  • a straightening apparatus is characterized by easy handling and good ergonomics.
  • the control element only has to be pressed to deliver.
  • a quick-release lever for quick closing is also not required.
  • a driver for advancing the first roll support can be connected to the operating element.
  • the driver can connect to a shank of the operating element or be formed by the shank itself.
  • the shank is one in the closing direction extending, elongate member.
  • the driver or the shaft can be slidably mounted in the frame and can be moved in the closing direction (and optionally in the opposite direction). When it is moved in the closing direction by pressing the button-like operating element or when it is moved in some other way, the driver pushes against the first roller support and thus displaces the first roller support in the closing direction.
  • a straightening apparatus with an infeed device that can be driven by a motor can also have such a driver.
  • the backstop is preferably designed as a releasable backstop.
  • an unlocking element can be provided to release the blocking effect of the backstop.
  • An unlocking element for releasing the blocking effect can be arranged on the driver or can be connected to the driver.
  • the driver with the unlocking element is designed in such a way that during a return movement, ie during a movement in the opposite direction to the closing direction, the unlocking element can be brought into abutment with the clamping body.
  • the unlocking element can be a nose-like projection projecting away from the driver or the shaft.
  • the unlocking element can push the clamping body away, so that the clamping body no longer contacts the wedge-shaped contact surface of the wedge gap, that is to say there is no longer any clamping.
  • the blocking effect can be released by pulling the button-like operating element.
  • This solution is characterized by its easy handling.
  • the straightening apparatus does not necessarily have to have an infeed device that can be actuated manually.
  • the straightening apparatus has a drivable infeed device with a linear direct drive, a Having pneumatic cylinders or a hydraulic cylinder for moving the first roller support in the closing direction.
  • Such infeed devices can be controlled easily and operated automatically or semi-automatically.
  • the straightening apparatus for determining the closed position can have a contact roller, with the contact roller being arranged on the output side following the first roller group in relation to the transport direction, and with the cable between the contact roller and a counter roller assigned to the second roller group and located opposite the contact roller is pressable.
  • the straightening apparatus for determining the closed position can have at least one and preferably several contact fingers that are preferably mounted so that they can be displaced to a limited extent in the closing direction, the at least one contact finger being assigned to one of the roller groups and in particular to the first roller group.
  • the contact finger can be arranged opposite a roller of the other group of rollers, in particular the second group of rollers, in such a way that the cable can be pressed between the respective contact finger and the roller opposite.
  • the probing fingers can be designed in such a way that, after the closed position has been determined, they can be brought into a rest position by displacement in the opposite direction to the closing direction, so that they no longer act on the cable.
  • the second roller support is mounted on the frame so that it can rotate about a pivot axis and if the straightening apparatus has a pivoting device that can be actuated manually or driven by a motor, for example, with which to adjust the angle of attack between the rollers the first and the second group of rollers, the second group of rollers can preferably be pivoted from a neutral position into an active position.
  • the second roller support can particularly preferably be rotatably mounted on the frame in such a way that, as a result of the pivoting of the second roller support, the rollers on the input side act more strongly on the cable than the rollers on the output side.
  • the pivoting device can, for example, be a device as already known from the EP 2 399 856 has become known.
  • a gate control can be provided for the movement of the first roller support and/or the second roller support.
  • a linearly movable pusher element can be provided for the gate control, via which both the first roller support and the second roller support can be moved.
  • the pushing element can be designed to be manually actuated or motor-driven.
  • the two straightening parameters (roller spacing, angle of attack) can be set in a single common work step or actuating movement.
  • the straightening apparatus can have a push element with a hand lever that can be actuated manually and can preferably be moved back and forth in the transport direction.
  • An infeed link guide for moving the first roller support in the closing direction and an opening link guide for releasing the blocking effect and for returning the first roller support can be arranged on the pushing element.
  • a first, spring-loaded control body can interact with the feed link guide and the opening link guide.
  • a pivoting link guide for pivoting the second roller support can be arranged on the pushing element.
  • a second, spring-loaded control body can interact with the pivoting link guide.
  • the pivoting link guide can be formed by a step-like control path with preferably a plurality of receptacles for the control body. This enables the angle of attack to be adjusted particularly quickly.
  • a pivoting link guide could also be used with conventional straighteners, i.e. with straighteners without a backstop or other securing means for securing the position of the first roller group that has been shifted by means of the infeed device.
  • figure 1 shows a straightening apparatus 1 for straightening cables with two opposite roller groups 2 and 3 that can be moved towards one another.
  • a second group of rollers, designated 3 has a plurality of rollers 21.1 to 21.6 arranged one behind the other in a row.
  • the first roller group 2 is arranged at the top in the straightening apparatus 1, which is why, for the sake of simplicity and better understanding, this roller group is referred to as “upper roller group”; the associated rollers 20.1 to 20.7 are correspondingly «upper rollers».
  • the group of rollers 3 opposite the upper group of rollers 2 is consequently a “lower group of rollers” in the present case.
  • the upper rollers 20.1 to 20.7 and the lower rollers 21.1 to 21.6 run parallel to one another and each lie on horizontal roller lines.
  • This in 1 (not shown) cable which can be passed between the upper rollers 20.1 .. 20.7 and the lower rollers 21.1 .. 21.6 for straightening, also runs in the horizontal direction, which is indicated by an arrow x.
  • 1 shows the straightening device 1 in an open position, in which the two groups of rollers 2 are spaced far enough from one another that a cable can be introduced or inserted between the upper rollers 20.1 .. 20.7 and the lower rollers 21.1 .. 21.6. Thereafter, the upper group of rollers 2 is moved against the lower group of rollers 3 . This closing movement is indicated with an arrow s.
  • the closing direction s runs in the vertical direction. 2 shows the straightening device 1 in a closed position or after the end of an infeed process, after the upper roller group 2 has been moved against the lower roller group 3 in the closing direction s.
  • the cable 4, which is now alternately acted upon by the rollers 20.1 .. 20.7 and 21.1 .. 21.6 of the upper and lower roller groups 2 and 3, can be pulled in the horizontal transport direction x through the straightener 1 by means of a cable conveyor (not shown).
  • roller groups 2 and 3 relate to embodiments of the straightening apparatus 1 according to the invention.
  • other arrangements and orientations of the roller groups 2 and 3 are also conceivable.
  • the two groups of rollers 2 and 3 could also be arranged side by side; in this case, the closing direction s would run on a horizontal plane.
  • the straightening apparatus 1 described in detail below can be used in a cable processing machine (not shown) for assembling cables.
  • the cable processing machine can be used to process electrical cables, such as insulated strands or insulated solid conductors made of copper or steel.
  • the cables to be processed are provided in drums on reels or in bundles.
  • the cables fed to the cable processing machine from barrels, rolls or bundles are more or less strongly curved and twisted. The cable must therefore be straightened, for which purpose the straightening apparatus 1 mentioned at the outset is used.
  • the cable processing machine can be designed, for example, as a pivoting machine that has a pivoting unit with a cable gripper.
  • the swivel unit In order to feed the cable ends to processing stations such as a boot station and a crimping station, the swivel unit must be rotated about a vertical axis.
  • a cutting and stripping station is usually arranged on the machine longitudinal axis of the cable processing machine.
  • the cable processing machine then includes a feed unit with a cable conveyor designed, for example, as a belt conveyor, which brings the cable in the transport direction along the longitudinal axis of the machine to the pivoting unit.
  • the straightening device 1 is arranged in front of the belt conveyor in the cable processing machine on the longitudinal axis of the machine. When feeding the cable to the swing unit, the cable is pulled through the straightener 1 to straighten the cable 4.
  • the rollers 20.1 .. 20.7 of the first or upper roller group 2 are attached to a first roller support 6 so that they can rotate freely.
  • the rollers 21.1 .. 21.6 of the lower or second roller group 2 are attached to a second roller support 7 so that they can rotate freely.
  • the straightening apparatus further comprises a frame 8 in the form of a base plate for supporting the first and second roller supports 6 and 7.
  • the roller supports 6, 7 are plate-like in the present case.
  • the first roller support 6 with the upper rollers 20.1 .. 20.7 is mounted in the frame 8 so that it can be displaced in the closing direction s.
  • the second roller support 6 with the lower rollers 21.1 .. 21.6 is rotatably mounted in the frame 8 with respect to a horizontal pivot axis indicated by 24 and running at right angles to the transport direction.
  • the straightener 1 is similar to that of the EP 2 399 856 A1 become known straightening apparatus; the movement of the roller support 6 with the upper rollers 20.1 .. 20.7 for the infeed process is carried out by means of a new type of infeed device 5.
  • the infeed device 5 is designed to be operated manually and includes an operating element 16 that can be moved linearly in the closing direction s.
  • the first roller support 6 is supported on the frame 8 by a spring element 10 in the form of a helical compression spring, which applies a spring force to the first roller support 6 counter to the closing direction s.
  • a spring element 10 in the form of a helical compression spring, which applies a spring force to the first roller support 6 counter to the closing direction s.
  • the operating element 16 only needs to be pressed, resulting in particularly simple and ergonomic handling.
  • the second roll support 7 with the lower roll group 3 is not moved during the delivery process.
  • the lower roller group 3 is held by a machine control system via a pneumatic valve and a pneumatic cylinder 33 in a position parallel to the upper roller group 2, which corresponds to a neutral position.
  • the control element 16 is in the form of a button, for example.
  • the operating element 16 could have a bow-like handle.
  • the straightening device 1 comprises a backstop (9, see the following 3 ), which blocks a reverse movement of the upper roller group 2 against the closing direction s.
  • the upper set of rollers could also be blocked by a clamping mechanism, for example a clamping lever or a pneumatic cylinder.
  • a freely rotatable contact roller 19 is also arranged on the first roller support 6 .
  • the contact roller 19 is arranged on the output side following the upper roller group 2 with respect to the transport direction x and is used to determine the closed position.
  • On the opposite side of the contact roller 19 is a counter-roller 22 on the second Role support 7 provided. If starting from the open position ( 1 ) the upper group of rollers 2 is displaced in the s-direction against the second group of rollers 3, the cable 4 lying in between comes into contact with the two rollers 19 and 22.
  • the closing movement caused by pressing the control element 16 sets the two thanks to the contact roller 19 and counter roller 22 Role groups 2, 3 for any cable diameter correctly to each other.
  • the upper rollers 20.1 .. 20.7 touch on one side and the lower rollers 21.1 .. 21.6 on the other side the cable 4 in the closed position in such a way that it still runs straight.
  • the feeler roller 19 and the counter-roller 22 cooperating with it ensure that the rollers 20.1 .. 20.7 and 21.1 .. 21.6 cannot be pushed further into one another, which would lead to a wave-like course of the cable 4 guided between the rollers.
  • the operator who presses the operating element 16 down feels a sudden increase in counter-pressure as soon as the cable 4 is pressed between the feeler roller 19 and the counter-roller 22 . In this way, the operator receives a message that the delivery process is complete ( 2 ) and he can let go of the operating element 16. Thanks to the backstop, it is ensured that after the operating element 16 has been released, an undesired backward movement of the upper roller group 2 in the opposite direction to the closing direction s or upwards is prevented.
  • a guide roller 37 is arranged at the front end of the first roller support 6 on the input side.
  • the guide roller 37 has a larger roller diameter than the rollers 20.1 .. 20.7 for straightening the cable.
  • the guide roller 37 is offset vertically slightly downwards relative to the rollers 20.1 .. 20.7, so that the guide roller 37 is positioned below the cable when the straightening device 1 is in the closed position.
  • the guide roller 37 serves to facilitate the insertion of the cable 4 into the open straightener.
  • the guide roller 37 makes it possible, for example, that the cable 4 can be tensioned by hand before and while the straightening apparatus 1 is being closed, so that it can be easily ensured that the cable is between all the rollers 20.1 .. 20.7, 21.1 ..21.6 comes to rest.
  • the first roller support 6 for the Upper rollers 20.1 .. 20.7 has a guide section 38 extending in the vertical direction, which can be guided slidingly between two guide plates 39, 40 for the displacement movement in the s-direction along guide surface .
  • the guide plates 39, 40 are part of the frame 8.
  • the operating element 16 adjoins the guide section 38 of the first roller support 6 at the top.
  • the already mentioned backstop is in 3 recognizable and marked there with 9.
  • the backstop 9 includes a pinch roller 11 which is accommodated in a wedge gap 12 .
  • the wedge gap 12 is a receptacle for the clamping roller 11 that tapers in relation to the closing direction s.
  • the backstop 9 also includes a spring 13 for generating a preload for the clamping roller 11.
  • the wedge effect can cause the clamping roller 11 pressed into the wedge gap to cause a return movement of the block the first roller supports 6 reliably.
  • the clamping roller 11 is constantly pressed into the wedge gap 12 by means of the spring 13 and thus ensures reliable functioning of the backstop 9 .
  • An unlocking element 41 can be seen below the pinch roller 11 . When this unlocking element 41 is pushed upwards against the pinch roller 11, it can push the pinch roller 11 upwards and thus cancel the clamping effect (cf 7 ).
  • the button-shaped operating element 16 has a shaft 17 which is firmly connected to a driver 18 .
  • the driver 18 adjoining the shaft 17 serves to advance the first roller support 6 when the operating element 16 is pressed.
  • the driver 18 has a front end with respect to the closing direction s, which at least when closing contacts the first roller support 6 for advancement.
  • a nose-like projection for forming the unlocking element 41 for releasing the blocking effect adjoins the driver 18, which is inserted into the wedge gap 12 from the side (cf. the following 6/7 ).
  • the second roller support 7 is pivoted about the pivot axis 24 into an active position in order to generate a sufficient straightening effect, so that the input-side rollers 20.1, 21.1 act on the cable 4 more than the output-side rollers 20.7, 21.6.
  • a pneumatic cylinder 33 By means of a pneumatic cylinder 33, the front side of the second roller support 7 on the input side pulled up what in figure 5 is indicated by an arrow z.
  • the pneumatic cylinder 33 can easily set the desired angle of attack ⁇ by appropriate control.
  • configurations of straightening devices would also be conceivable, in which the pivoting could be carried out manually using appropriate means.
  • the straightening apparatus 1 can have a force-limiting device between the operating element 16 and the counter-roller 22, for example by the operating element 16 being at least indirectly connected to the counter-roller 22 via a spring (not shown) and the stroke of the operating element 16 being limited by a mechanical stop.
  • figure 5 shows the straightener 1 in the active position after the second roller support 7 has been pivoted approaching towards the entrance of the upper roller group 2.
  • the cable 4 should run approximately tangentially without being curved.
  • the optimum setting of the rollers 20.7, 21.7 on the output side correlates with the outer diameter of the cable 4.
  • the machine control In order to activate the straightener 1, the machine control (not shown) brings the lower roller group 3 into the active position, either after pressing a special button or automatically within a program sequence, in that the pneumatic cylinder 33 on the input side moves the lower roller group 3 to the upper roller group 3 .
  • the restoration of the original starting position of the straightener 1 could also be done by pressing a button or set in motion automatically within a program sequence.
  • the button or the program sequence could actuate a pneumatic valve or a switch of the machine control, whereupon the lower group of rollers 3 is moved back via the pneumatic cylinder 8 into the position parallel to the first group of rollers 2 .
  • the machine control could also be designed in such a way that the activation of the pneumatic cylinder 8 for pivoting the lower roller group 3 back from the active position into the parallel neutral position could be triggered by pulling or possibly by pressing the button-shaped operating element 16 again.
  • the counter-roller 22 is arranged relative to the contact roller 19 relative to the pivot axis 24 in such a way that the counter-roller 22 moves away from the contact roller 19 during this movement and the pressing or clamping of the cable 4 between the two rollers 19 and 22 is released.
  • the position of the pivot axis 24 is approximately in the middle between the last lower roller 21.7 and the counter roller 22.
  • the pivot axis 24 could also take other positions.
  • the pivot axis 24 could be coaxial with the axis of rotation of the counter-roller 22 .
  • pivot axis 24 instead of left as in the case of the Figures 1 to 8 shown embodiments, would be arranged to the right of the counter-roller 22, the distance between the rollers 19 and 22 would decrease during pivoting to create the active position and the cable 4 would be squeezed accordingly. It would also be conceivable for an additional pair of rollers (not shown) to be mounted downstream of the straightening apparatus for squeezing the cable on the cable processing machine.
  • the wedge gap 12 is formed by a wedge-shaped contact surface 14 associated with the first roller support 6 and by a stationary mating surface associated with the frame 8 .
  • This counter-surface is formed by a guide surface 34 assigned to the frame 8, along which the first roller support 6 can be guided during the closing process.
  • the infeed device 5, with which the upper roller group 2 can be displaced against the lower roller group 3 to adjust the distance between the rollers 20.1 .. 20.6 and 21.1 .. 21.7 of the upper and lower roller groups 2 and 3, can also be motor-driven be.
  • an actuator 35 is provided, with which the upper roller group 2 can be moved vertically downwards for the infeed process.
  • the actuator can be a pneumatic drive, for example. If the manually operable control element 16 by the actuator 35, as in 8 shown, is replaced, the delivery process can be carried out in a cost-effective and process-reliable manner without the intervention of an operator.
  • the straightening device 1 has contact fingers 23 for determining the closed position.
  • the probing fingers 23 are assigned to the upper roller group 2 in the present case.
  • the contact fingers 23 are each arranged opposite a roller 21.1 .. 21.6 of the lower roller group 3 in such a way that the cable 4 can be pressed between the respective contact finger 23 and the opposite roller 21.1 .. 21.6.
  • the straightening apparatus 1 has six probing fingers 23; ie in the present example a contact finger 23 for each of the six lower rollers 21.1 .. 21.6.
  • a carrier plate which carries the contact fingers 23, has elongated holes 36, so that the contact fingers 23 or the carrier plate are or is mounted on the first roller support 6 so that they can be displaced to a limited extent in the closing direction.
  • FIGS. 10 to 12 relate to a further embodiment of a straightening apparatus 1, which is equipped with the backstop described above, but not shown here for the sake of simplicity.
  • This straightening apparatus 1 is characterized by the special configuration of the infeed device 5 for carrying out the infeed process and the pivoting device 15 for creating the active position. The movement of both roller supports 6 and 7 takes place with the aid of a link control explained below.
  • the straightening apparatus 1 has a push element 25 that can be moved linearly in the transport direction x, via which both the first roller support 6 with the upper rollers 20.1 .. 20.7 and the second roller support 7 with the lower rollers 21.1 .. 21.6 can be moved.
  • the pushing element 25 can be actuated manually via a hand lever 26 .
  • the pushing element 25 could also be connected to a drive for moving the pushing element 25 .
  • the slotted link control includes a control body denoted by 30 which interacts with the feed slotted guide 27 and the opening slotted guide 28 .
  • the control body 30 is supported on the first roller support 6 via a spring 42 .
  • a pivoting link guide 29 for pivoting the second roller support 7 is arranged on the thrust element 25 , with the pivoting link guide 29 interacting with a spring-loaded control body 31 denoted by 31 .
  • the pen to Generation of the spring load on the control body 31 is denoted by 43 .
  • the spring 43 supports the control body 31 against the frame 8 of the straightener 1 at the top.
  • the control body 31 is connected to the second roller support 7 via a lever 44 .
  • the pivoting link guide 29 can be formed by a continuously rising control path or curve. It can be advantageous if the pivoting slotted link guide 29 is formed by a step-like control path with a plurality of receptacles 32 for the control body 31 . Such a connecting link guide 29 with a step-like designed control path for setting discrete angle of attack positions is in the embodiment according to FIG Figures 10 to 12 shown.
  • the straightening apparatus 1 has the pusher element 25 with a hand lever 26 and the slotted guides 27, 28, 29.
  • the pusher element 25 can be moved back and forth with the hand lever 26 relative to the frame 8.
  • the link guide 27 controls the infeed process via the control body 30 designed as a roller, in which the upper roller group 2 is pushed down against the lower roller group 3 .
  • this straightening apparatus 1 also has a contact roller 19 and a counter-roller 22 located opposite it. Alternatively, one or more probing fingers could also be used.
  • the link guide 29 controls the pivoting process via the control body 30 designed as a roller, during which the angle of attack ⁇ of the lower roller group 3 is adjusted.
  • the mechanism of the link control for infeed and pivoting is as follows: The starting point is in 10 shown open position. The pushing element 25 is pushed to the left. The control body 30 moving along the infeed link guide 27 presses the roller group 2 via the spring 42 in the closing direction s against the cable 4 until the cable 4 is clamped between the feeler roller 19 and the counter roller 22 . The delivery process is complete and the closed position is reached. The straightening device 1 in this closed position is in 11 shown.
  • rollers 20.1, 21.1, 20.2, 20.3, .. are positioned at the entrance in such a way that the cable 4 has to move between the rollers in a wavy manner in such a way that the cable 4 passes through each next roller in is curved with decreasing intensity. If the pushing element 25 is now pushed further to the left, the spring 42 can relax and the spring (10) (not shown here), with which the first roller support 6 is supported on the frame 8, presses the roller group 2 into the backstop.
  • the straightening apparatus 1 is correspondingly brought back into its open state or open position.
  • the pivoting slotted guide 29 initially puts the lower roller group 3 back into the parallel neutral position via the control body 31 .
  • the control body 30 moves along the opening link guide 28 and removes the backstop, whereupon the upper roller group 2 can be transferred to the open position.
  • a tension spring could also be used instead of the lever 44, so that the angle of attack of the lower roller group 2 is influenced indirectly via the corresponding spring force.
  • the contact roller 19 and counter roller 22 lying opposite one another could also be positioned further to the pivot axis 24 in such a way that they move towards one another when the upper roller group 3 is advanced. This achieves a squeezing effect that corresponds to that of a so-called pinch roller.
  • the pivot axis 24 can, for example, be moved vertically by means of an adjusting screw or an eccentric.
  • a device could also be attached to the straightening apparatus 1, which allows a shift between the frame 10 and the roller group 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Wire Processing (AREA)
  • Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)
  • Electric Cable Installation (AREA)
  • Manufacturing Of Electrical Connectors (AREA)

Claims (15)

  1. Appareil de redressage (1) permettant de redresser des câbles (4), comportant un premier groupe de rouleaux (2) présentant plusieurs rouleaux (20.1... 20.7) et un second groupe de rouleaux (3) présentant plusieurs rouleaux (21.1... 21.6) et opposé au premier groupe de rouleaux (2), le câble (4) pouvant être passé, dans un sens de transport (x), alternativement entre les rouleaux (20.1... 20.7) du premier groupe de rouleaux (2) et les rouleaux (21.1... 21.6) du second groupe de rouleaux (3) respectivement, et comportant un dispositif d'avance (5) au moyen duquel le premier groupe de rouleaux (2) peut être déplacé dans un sens de fermeture (s) à l'encontre du second groupe de rouleaux (3), l'appareil de redressage (1) comprenant des moyens de fixation permettant de fixer en position le premier groupe de rouleaux (2) déplacé dans le sens de fermeture au moyen du dispositif d'avance (5), caractérisé en ce que l'appareil de redressage (1) comprend un blocage anti-retour (9) pour la formation des moyens de fixation, lequel bloque un mouvement de retour du premier groupe de rouleaux (2) à l'opposé du sens de fermeture (s).
  2. Appareil de redressage (1) selon la revendication 1, caractérisé en ce que l'appareil de redressage (1) présente un premier support de rouleaux (6) pour le premier groupe de rouleaux (2), support sur lequel les rouleaux (20.1... 20.7) du premier groupe de rouleaux (2) sont fixés de manière à pouvoir tourner librement, et un second support de rouleaux (7) pour le second groupe de rouleaux (3), support sur lequel les rouleaux (21.1... 21.6) du second groupe de rouleaux (2) sont fixés de manière à pouvoir tourner librement, et par un cadre (8) permettant de supporter les premier et second supports de rouleaux (6, 7), le premier support de rouleaux (6) étant monté dans le cadre (8) de manière à pouvoir être déplacé dans le sens de fermeture.
  3. Appareil de redressage (1) selon la revendication 1 ou 2, caractérisé en ce que le premier support de rouleaux (6) est supporté sur le cadre (8) par un élément de ressort (10), en particulier un ressort hélicoïdal de compression, lequel sollicite le premier support de rouleaux (6) avec une force de ressort à l'opposé du sens de fermeture.
  4. Appareil de redressage (1) selon l'une des revendications 1 à 3, caractérisé en ce que le blocage anti-retour (9) comprend un corps de serrage, en particulier un rouleau de serrage (11), le corps de serrage ou le rouleau de serrage étant logé dans une fente en coin (12).
  5. Appareil de redressage (1) selon la revendication 4, caractérisé en ce que le blocage anti-retour (9) comprend un ressort (13) permettant de générer une précontrainte pour le corps de serrage, en particulier pour le rouleau de serrage (11).
  6. Appareil de redressage (1) selon l'une des revendications 1 à 5, caractérisé en ce que l'appareil de redressage (1) présente un dispositif d'avance (5) à actionnement manuel comportant un élément de commande (16), en particulier sous la forme d'un bouton, pouvant être déplacé linéairement dans le sens de fermeture.
  7. Appareil de redressage (1) selon la revendication 6, caractérisé en ce qu'un élément d'entraînement (18) permettant de faire avancer le premier support de rouleaux (5) est raccordé à l'élément de commande (16).
  8. Appareil de redressage (1) selon la revendication 7, caractérisé en ce qu'un élément de déverrouillage (41) est prévu pour la libération de l'effet de blocage du blocage anti-retour (9).
  9. Appareil de redressage (1) selon la revendication 7, caractérisé en ce qu'un élément de déverrouillage (41) permettant de libérer l'effet de blocage est disposé sur l'élément d'entraînement (18), l'élément de déverrouillage (41) pouvant être amené en butée avec le corps de serrage (11) pendant un mouvement de retour dans le sens opposé au sens de fermeture.
  10. Appareil de redressage (1) selon l'une des revendications 1 à 9, caractérisé en ce que l'appareil de redressage (1) présente un rouleau de contact (19) pour la fixation de la position de fermeture, le rouleau de contact (19) étant disposé côté sortie en aval du premier groupe de rouleaux (2) par rapport au sens de transport (x), et le câble (4) pouvant être pressé entre le rouleau de contact (19) et un contre-rouleau (22) associé au second groupe de rouleaux (3) et opposé au rouleau de contact (19).
  11. Appareil de redressage (1) selon l'une des revendications 1 à 10, caractérisé en ce que l'appareil de redressage (1) présente au moins un et de préférence plusieurs doigts de contact (23) pour la fixation de la position de fermeture, l'au moins un doigt de contact (23) étant associé à l'un des groupes de rouleaux et en particulier au premier groupe de rouleaux (2) et le doigt de contact (23) étant disposé respectivement opposé à un rouleau (21.1... 21.6) de l'autre groupe de rouleaux, en particulier du second groupe de rouleaux (3), de sorte que le câble (4) peut être pressé entre le doigt de contact (23) respectif et le rouleau (21.1... 21.6) opposé.
  12. Appareil de redressage (1) selon l'une des revendications 2 à 11, caractérisé en ce que, pour la génération supplémentaire de l'effet de redressement du câble après la fin du processus d'avance, le second support de rouleaux (6) est monté sur le cadre (8) de manière à pouvoir pivoter autour d'un axe de pivotement (24), et en ce que l'appareil de redressage (1) possède un dispositif de pivotement (15) au moyen duquel le second groupe de rouleaux (3) peut être pivoté dans une position active.
  13. Appareil de redressage (1) selon l'une des revendications 2 à 12, caractérisé en ce qu'une commande à coulisse est prévue pour le déplacement du premier support de rouleaux (6) et/ou du second support de rouleaux (7).
  14. Appareil de redressage (1) selon la revendication 13, caractérisé en ce qu'un élément de poussée (25) pouvant être déplacé linéairement est prévu pour la commande à coulisse, par l'intermédiaire duquel le premier support de rouleaux (6) ainsi que le second support de rouleaux (7) peuvent être déplacés.
  15. Appareil de redressage (1) selon la revendication 14, caractérisé en ce que l'appareil de redressage (1) présente un élément de poussée (25) pouvant être déplacé, à actionnement manuel et comportant un levier à main (26).
EP19204346.1A 2019-10-21 2019-10-21 Appareil pour le dressage de câbles Active EP3812060B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP19204346.1A EP3812060B1 (fr) 2019-10-21 2019-10-21 Appareil pour le dressage de câbles
RS20221169A RS63831B1 (sr) 2019-10-21 2019-10-21 Uređaj za ispravljanje kablova
JP2020169582A JP2021065934A (ja) 2019-10-21 2020-10-07 ケーブルのくせ取りのためのくせ取り装置
CN202011099711.0A CN112769021A (zh) 2019-10-21 2020-10-14 用于排齐线缆的排齐装置
US16/949,178 US11590556B2 (en) 2019-10-21 2020-10-19 Straightener for straightening cables
MX2020011108A MX2020011108A (es) 2019-10-21 2020-10-20 Aparato de rectificacion para enderezar cables.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19204346.1A EP3812060B1 (fr) 2019-10-21 2019-10-21 Appareil pour le dressage de câbles

Publications (2)

Publication Number Publication Date
EP3812060A1 EP3812060A1 (fr) 2021-04-28
EP3812060B1 true EP3812060B1 (fr) 2022-11-30

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EP19204346.1A Active EP3812060B1 (fr) 2019-10-21 2019-10-21 Appareil pour le dressage de câbles

Country Status (6)

Country Link
US (1) US11590556B2 (fr)
EP (1) EP3812060B1 (fr)
JP (1) JP2021065934A (fr)
CN (1) CN112769021A (fr)
MX (1) MX2020011108A (fr)
RS (1) RS63831B1 (fr)

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Publication number Priority date Publication date Assignee Title
CN113618410A (zh) * 2021-08-18 2021-11-09 豪丰茂五金制品(太仓)有限公司 一种刀杆加工用拉直断料设备及其工作方法
CN114263059B (zh) * 2021-12-01 2023-03-21 湖南湘钢金属材料科技有限公司 一种电梯钢丝绳后变形器
CN117123701B (zh) * 2023-10-27 2024-04-12 赣州东峰自动化设备有限公司 一种铁丝生产拉直设备

Citations (1)

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EP0619155B1 (fr) * 1993-04-06 1997-06-04 WITELS APPARATE-MASCHINEN ALBERT GmbH & Co. KG Appareil pour le dressage de produits en fil, plusieurs fil ou tubulaires

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US4005592A (en) * 1975-12-12 1977-02-01 Haeussler Alfred H K Strip and wire straightener roll
US5676010A (en) * 1996-09-20 1997-10-14 The Whitaker Corporation Wire straightening device
DE19828675C2 (de) 1998-06-26 2000-05-25 Witels App Masch Albert Gmbh Verfahren und Vorrichtung zum Einstellen von mittels eines Verstellmechanismus translatorisch verstellbaren Richtrollen eines Richtapparates zum Richten von Draht
CN102366803B (zh) 2010-06-23 2015-09-02 科马斯控股股份公司 用于矫直线缆的矫直装置以及相应的方法
EP3184191B1 (fr) * 2015-12-21 2020-02-05 Komax Holding AG Dispositif d'alignement des conducteurs
CN205702240U (zh) * 2016-04-14 2016-11-23 天津市天龙得冷成型部件有限公司 冷镦机的线材较直装置
CN206392758U (zh) * 2016-11-30 2017-08-11 东莞中厚智能机械有限公司 一种线材校直器
CN207709736U (zh) * 2017-04-29 2018-08-10 加渥机械自动化（上海）有限公司 一种偏心式快速再启动精密矫直器

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0619155B1 (fr) * 1993-04-06 1997-06-04 WITELS APPARATE-MASCHINEN ALBERT GmbH & Co. KG Appareil pour le dressage de produits en fil, plusieurs fil ou tubulaires

Also Published As

Publication number Publication date
US20210114079A1 (en) 2021-04-22
CN112769021A (zh) 2021-05-07
JP2021065934A (ja) 2021-04-30
MX2020011108A (es) 2021-04-22
RS63831B1 (sr) 2023-01-31
US11590556B2 (en) 2023-02-28
EP3812060A1 (fr) 2021-04-28

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