Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
  • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
  • H01B13/06—Insulating conductors or cables
  • H01B13/08—Insulating conductors or cables by winding
  • H01B13/0816—Apparatus having a coaxial rotation of the supply reels about the conductor or cable
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
  • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
  • H01B13/012—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing wire harnesses
  • H01B13/01263—Tying, wrapping, binding, lacing, strapping or sheathing harnesses
  • H01B13/01281—Harness wrapping apparatus

Definitions

• the invention relates to an assembly head and a method for the automated, in particular fully automated, banding of a cable harness.
• a conductor bundle is generally understood to be a strand-shaped, preferably flexible structure, in particular a preferably electrical conductor bundle, which is composed of one or more (electrical) (conductor) elements (individual conductors).
• electrical conductor
• the individual elements are frequently bundled together by means of taping.
• a tape for example adhesive tape and/or a textile tape, is wrapped around the conductor bundle.
• a mounting head for the automated wrapping of a cable bundle is to be removed, in which the cable bundle can be inserted laterally into a winding head, with pressure elements with rollers provided.
• a swiveling cutting unit for cutting the tape is attached to a frame next to the winding head.
• a winding device can be removed in which a belt roll can be moved along a C-shaped support area by means of a rotary component.
• WO 2015/055753 A1 This describes an assembly station for the automated attachment of clips to a cable bundle.
• a positioning unit first positions the clips on the cable bundle before they are then secured by wrapping them with tape.
• US 4 707 214 A describes another winding device for wrapping a conductor with a rectangular cross-section using insulating tape, whereby the dimensions of the conductor are calibrated by pressure rollers after wrapping.
• a winding device is removed, in which a gripping unit grasps the cable to be wound and inserts it into a winding head before the winding process begins. After the winding process, the gripping unit pulls the cable out of the winding head so that the tape is cut by a cutting element.
• the invention aims to enable automated banding.
• the problem is solved according to the invention by a mounting head according to claim 1 and by a method using such a mounting head according to claim 15.
• the assembly head is generally used for the automated, and in particular fully automated, banding of a transversely extending cable strand with a tape.
• the assembly head itself extends not only transversely but also longitudinally and vertically. It has a winding module with a winding head that extends around a transversely extending The axis of rotation is rotatable.
• the winding module preferably has a drive by which the winding head can be set into a rotational movement.
• the winding head itself preferably comprises a ring segment with a central winding chamber.
• the ring segment has a lateral insertion opening for the lateral (transverse to the transverse direction) insertion of the conductor string into the winding chamber.
• the drive for the winding head is preferably designed as a belt drive, wherein a drive belt engages, in particular, with external teeth on the winding head and thereby sets it in rotation.
• the assembly head also features a taping unit for supplying and guiding the tape.
• the cable harness and the assembly head are moved relative to each other in or against the longitudinal direction, so that the cable harness is inserted laterally into the winding head.
• the tape is then applied to the cable harness and subsequently wound around it.
• the tape is cut and separated. Preferably, this is followed by a movement to ensure the tape end adheres securely to the cable harness.
• a suitably designed control unit is generally arranged to control the movement sequence of the assembly head, with the help of which the individual steps and movements during banding, as explained in detail below, are initiated.
• the cable bundle typically consists of several individual conductors. These are preferably single-core or multi-core sheathed electrical cables. Alternatively, the conductor elements can also be busbars wrapped with tape. In principle, other types of individual conductors or even different types of individual conductors can be combined in the cable bundle. In one design variant... At least some of the individual lines are designed as fluid lines, such as hoses. Preferably, the wiring harness is a purely electrical wiring harness.
• Preferred training courses are included in the sub-requirements.
• a first preferred aspect lies in the design and control of a cutting element, particularly in combination with a (further) pressing element according to claims 2-10.
• This design enables fully automatic stripping of the tape at the end of the taping process and, preferably, furthermore, pressing of the tape end against the conductor.
• the cutting element is attached to the banding unit and is therefore part of the banding unit.
• the cutting element is designed in the manner of a blade, which is oriented particularly in the transverse direction.
• the taping unit is generally attached to the winding head, regardless of the arrangement of the cutting element on the taping unit.
• the winding head rotates around its axis of rotation, and therefore the taping unit attached to the winding head also rotates.
• the cutting element In the configuration where the cutting element is attached to the taping unit and thus forms part of it, the cutting element also rotates during the taping process.
• the banding unit is preferably controlled in such a way that, at the end of the banding process, it is moved into a cutting position, particularly against the longitudinal direction. This movement ensures that The cutting element is moved into a defined cutting position. Retracting the taping unit moves it away from the cable. This also tensions the tape, making it easier to cut.
• the taping unit is therefore generally movable and adjustable, particularly on or with the winding head. It thus incorporates an actuating mechanism with a drive unit, allowing the desired movement of the taping unit to be executed.
• the banding unit has a tape dispenser to which the tape, specifically a tape roll, is attached.
• the tape supply is generally sized to be sufficient for several banding operations. Once the tape supply on the tape roll is exhausted, a new tape roll is attached to the tape dispenser. Alternatively, the tape is wound directly onto the tape dispenser.
• the cutting element for cutting the tape is movable in the direction of the tape.
• the cutting element is, for example, movably arranged on the taping unit.
• the cutting element is moved by a movement of the taping unit, and in particular also of the winding head to which the taping unit is attached, especially without relative movement to the taping unit.
• the cutting element is moved towards the tape by a pivoting motion.
• This is achieved, in particular, by a pivoting and thus rotary motion of the tapering unit and, consequently, also of the winding head.
• the particular advantage here is that a rotary drive for the rotary motion of the winding head is simultaneously used for cutting the tape with the cutting element.
• a tape end is formed on the severed section, which is wound around the conductor string.
• a clamping element is provided, which extends towards the The conductor string is movable in such a way that, during the taping process, the end of the tape is pressed against the conductor string.
• the pressing element is subsequently also referred to as a further or second pressing element.
• This additional pressure element is preferably also attached to the banding unit.
• the further pressure element is applied by a rotary movement.
• this is in turn achieved by the rotary movement of the taping unit and, in particular, the winding head.
• both the cutting element and the additional pressure element are attached to the taping unit. Since this, in turn, is rotationally fixed to the rotatable winding head/taping unit, the tape is cut and the tape end is pressed against the conductor at the end of the taping process by at least one suitable pivoting movement of the winding head.
• a single pivoting movement is sufficient for both cutting the tape and pressing the tape end against the conductor, so that first the cutting element cuts the tape and subsequently the additional pressure element presses the tape end against the conductor.
• the cutting element and the other pressure elements are therefore arranged one behind the other, opposite to a pivoting direction. They are thus arranged with a rotational offset from each other.
• the additional pressing element is preferably designed as a flexible tab or a brush.
• the other, second end of the tape which remains on the tape supply provided by the tape dispenser and thus represents a tape start for the next taping process, also forms a tape end.
• a holding element for the second end of the tape which acts primarily as a support and/or fixation element for the tape end.
• the holding element is located adjacent to, and preferably directly adjacent to, the cutting element.
• the holding element keeps the second end of the tape in a defined position, for example, supporting and/or fixing it, so that it can be guided back to the conductor and attached in a controlled manner during a subsequent taping process.
• the retaining element is preferably formed by several individual pins, in particular needle-shaped pins, which preferably extend upwards from a base towards a central winding chamber and thus towards the belt.
• these pins pierce the belt, so that the belt is essentially perforated by the pins, and the belt is fixed in the desired position at the points where the pins penetrate the belt.
• the taping unit preferably includes a tape dispenser on which the tape is stored.
• the taping unit, together with the tape dispenser is attached to the winding head and therefore rotates with it during the taping process.
• a balancing mass is attached to the winding head and, in particular, to the taping unit.
• This is an additional mass element that otherwise has no additional function.
• the mass element is formed, in particular, by a solid body, for example, cylindrical or cuboid, made of solid material.
• the additional balancing mass ensures a suitable mass distribution such that imbalance is avoided during rotation of the winding head.
• the mounting head generally has a support frame to which the individual elements of the mounting head are attached.
• the winding module can be moved longitudinally relative to the support frame, particularly together with the banding unit.
• suitable drive and adjustment elements are provided, for example, a suitable linear guide with drive.
• the winding head and the taping unit are moved longitudinally relative to the support frame, thus advancing towards the conductor tape and then moving back again. This allows for an efficient taping process, as the entire assembly head does not need to be moved. It also prevents collisions with other components used to hold the conductor bundle.
• the cable bundle is generally routed onto a holding device, for example a so-called cable board, i.e., laid and held according to a predetermined routing geometry, for example with suitable support elements.
• the banding is then carried out on this holding device using the mounting head.
• the taping unit enables fully automatic initial fixation of the tape end to the cable bundle. Therefore, no manual fastening of the tape end is required.
• the subsequent taping process is also fully automatic. This fully automatic fixation is achieved, in particular, by moving the taping unit close to the cable bundle. For this purpose, the previously described relative movement of the winding module relative to the support frame is specifically provided.
• the banding unit has a (first) pressure element that is movable towards the cable bundle.
• the pressure element is, for example, movable on the banding unit and Specifically, it is mounted in a pivoting position. Alternatively, it is fixed to the taping unit, and approaching the cable bundle is achieved by a delivery movement of the taping unit, which also includes a pivoting movement.
• the first pressure element is designed, for example, as a strip-shaped element or, alternatively, as a pressure roller, which is moved against the cable bundle and thereby presses the beginning of the tape against the cable bundle.
• a gripping unit which has gripping elements for compressing the cable bundle consisting of several individual wires or strands.
• two gripping units are arranged on both sides of the winding head.
• only one gripping unit is arranged on one side, so that the assembly head is as compact as possible.
• the gripping unit is specifically located on the side opposite the taping unit, next to the winding module.
• the gripping unit is preferably arranged "leading" the taping unit, so that the loose individual wires in the section to be taped next are compressed by the gripping unit.
• the gripping elements In a closed end position, the gripping elements completely enclose the cable bundle circumferentially, at least in conjunction with a further gripper holder, on which they are preferably pivotably mounted.
• the individual, especially loose, conductors of the conductor bundle are first pressed against each other in their final position, compressing them into a first, compressed final position.
• the individual conductors are subsequently held compressed by a further auxiliary element, in particular by the guide rollers described in more detail below, during the taping process.
• the gripping unit is preferably moved into a further, second end position or gripping position, in which the gripping elements release the conductor strand somewhat, such that the conductor strand is in In this gripping position, the conductor is preferably only held loosely.
• the conductor can be guided through the gripping unit in a transverse direction, or that the assembly head can be moved along the preferably stationary conductor during the banding process.
• the gripping elements are arc-shaped.
• a pivoting motion achieves the desired compression of the individual conductors of the cable bundle.
• the cable bundle is compressed, in particular, between these two arc-shaped gripping elements and the previously mentioned gripper holder.
• a suitable drive mechanism is provided to execute the pivoting motion.
• an actuating element is provided that acts on a base of the gripping element and pivots it about a pivot axis.
• the gripping unit is arranged to be movable linearly in and against the longitudinal direction, preferably relative to the winding module.
• the gripping unit is particularly located directly next to the winding module. Specifically, it is attached to the winding module, for example via linear guides, so that it is adjustable in the longitudinal direction relative to the winding module. A suitable drive is provided for this adjustment movement.
• the cable assembly is generally held and, in particular, kept under tension at least on one side, preferably on two opposite sides, between which the mounting head is located.
• the mounting head is moved transversely along the cable assembly during the taping process.
• Another preferred aspect lies in the arrangement and control of guide rollers, which are preferably arranged in pairs on both sides of the winding head.
• the guide rollers of each pair can be moved towards the conductor string, in particular in the longitudinal direction, and additionally also pivoted, such that they are pressed against the conductor string during operation and, in particular, also at least partially.
• To compress and deform the conductor preferably in such a way that the conductor string assumes a flat cross-sectional geometry in the area of the guide rollers. This prevents the conductor string from twisting around its own axis. During the taping process, the conductor string is therefore held between the two guide rollers of each pair.
• the guide rollers are preferably without their own drive and are loosely mounted so that they can rotate about a roller axis.
• the assembly head moves – as described above – preferably in a transverse direction along the cable bundle. This is made possible by the guide rollers, which roll along the cable bundle, allowing it to pass through the two guide rollers.
• Each pair of guide rollers is preferably adjustable in the longitudinal direction.
• at least one of the pairs is attached to the gripping unit and adjustable in the longitudinal direction together with it.
• At least one pair of guide rollers is preferably arranged within a recess of the winding module.
• the pair is movable within this recess, specifically in the transverse direction.
• this pair is positioned within the recess. This results in the most compact possible design of the assembly head.
• this pair is preferably movable in the transverse direction relative to the winding module.
• the gripping unit as a whole is movable in the transverse direction relative to the winding module.
• the winding module generally comprises a support plate extending longitudinally, to which the winding head is rotatably attached laterally in the transverse direction.
• a front end of the support plate similar to the winding head, is laterally open and, for example, formed as a ring segment. is designed and therefore has an open space which forms the aforementioned free space into which the guide rollers can be moved.
• the entire mounting head is specifically designed for attachment to a robot, particularly a multi-axis industrial robot.
• a mechanical interface in particular a flange, with which it can be attached to the robot, specifically to a robot hand of the industrial robot.
• the assembly head 2 shown generally has a support frame 4 to which several units, described in more detail below, are attached.
• the support frame 4 has a flange 6 by which it is held on an industrial robot 8, which is indicated only by a dashed line of a mounting flange of a robot hand.
• the assembly head 2 is thus largely free to move in space, so that the assembly head 2 can be positioned as needed in any position and at any angle (0 - 360°). Alternatively, it is also possible that it can be moved linearly on a fixed frame, for example.
• the mounting head itself is stationary and a cable harness 10 is movable relative to the mounting head 2.
• the mounting head 2 generally serves to band the conductor string 10 with a band 14.
• the band 14 is preferably arranged in a fixed position and the mounting head moves in the direction of the conductor string 10.
• the mounting head 2 extends in a longitudinal direction L, perpendicular to this in a transverse direction Q and further in a vertical direction V. During the banding process, the conductor string 10 extends in the transverse direction Q.
• the assembly head 2 has a winding module 16 with a preferably C-shaped or ring-segment-like winding head 18.
• a taping unit 20 is also attached to the winding head 18 and is thus part of the winding module 16. Due to its design, the winding head 18 has an insertion opening and encloses a central interior space into which the conductor 10 can be inserted.
• the winding head 18 rotates about an axis of rotation (not shown here), which is also a central axis of the interior space defined by the winding head 18. During the taping process, the axis of rotation extends along the conductor 10.
• a suitable drive device is provided for driving the winding head 18.
• a toothed section 19A is formed on the outer circumference of the winding head, into which several drive bands or toothed belts 19B, distributed around the circumference, typically engage (see in particular also FIG 4 At least one toothed belt is driven by a suitable drive.
• the complete belt drive is part of winding module 16.
• the winding module 16, and thus the winding head 18, are preferably adjustable relative to the support frame 4 in and against the longitudinal direction L, so that a feed movement towards the cable bundle 10 is possible.
• the winding head 18 can be moved linearly via a linear drive.
• a suitable drive is provided for this purpose.
• the winding module 16 has a support plate 16A, which is open at its front end, thus defining a clearance 16B.
• the winding head 18 is rotatably attached to the support plate 16A at this front end.
• a ring-segment-shaped plate of the winding head is rotated about the axis of rotation by the aforementioned belt drive.
• the belt drive is also attached to the support plate 16A, specifically behind the winding head when viewed longitudinally.
• the taping unit 20 has a tape dispenser 22 on which the tape 14 is stored. During operation, the tape dispenser 22 rotates with the winding head 18. For this purpose, the taping unit 20 is fixedly attached to the winding head 18, and in particular to the aforementioned ring-segment-shaped, rotatable plate. The taping unit 20 is therefore a component of the rotatable winding head 18.
• the tape dispenser 22 in the exemplary embodiment has a spool carrier 40 to which a tape roll 42 (spool) is attached. This is held on the spool carrier 40 by a central roller holder 44.
• the roller holder 44 achieves a preferably rotationally fixed connection with the spool carrier 40.
• the band roller 42 is held by friction, preferably exclusively by friction.
• the roller holder 44 preferably has an adjustment mechanism for setting the coefficient of friction.
• the spool carrier 40 can accommodate tape reels 42 of different widths.
• at least one adapter ring 46 is arranged which It can be fixed, in particular, to the roll holder 44.
• two adapter rings 46 are arranged, defining a space between them in which a narrow tape roll 42 is held. The two adapter rings 46 also keep the narrow tape roll 42 centered.
• the banding unit 20 has several guide elements and/or deflection elements with which the band 14 is reliably guided and deflected.
• the taping unit 20 preferably has a first pressure element 24.
• the pressure element 24 is movable towards the conductor string 10 and serves to guide and press a tape start against the conductor string 10 at the beginning of the taping process.
• the first pressure element 24 is, for example, pivotally mounted on the taping unit 20. It is particularly designed in the form of a pressure roller.
• the taping unit 20 has a second pressure element 25, which is also adjustable towards the conductor 10.
• This second pressure element 25 is preferably designed as an elastic element, for example as an elastic tab, and in the exemplary embodiment in the form of a brush.
• This second pressure element 25 serves to press a tape end against the conductor 10 at the end of the taping process, as will be explained in more detail below.
• the taping unit 20 also includes a cutting element 23, which is arranged particularly directly adjacent to the further pressure element 25 and is adjustable with it.
• the cutting element 23 and the further pressure element 25 preferably perform a common (pivoting) movement when cutting the tape 14.
• the retaining element 27 Adjacent to the cutting element 23, specifically on the side oriented towards the belt 14 or the belt dispenser 22, and thus in particular opposite the further pressure element 25, there is a retaining element 27 which The retaining element 27 is provided for supporting or holding one end of the partial strip remaining on the tape dispenser 22.
• the retaining element 27 has, for example, several pins, in the exemplary embodiment three pins, which are oriented towards the strip 14 and specifically towards the tape dispenser 22.
• the pins are shown as oversized and too long, contrary to the actual embodiment.
• the pins In the FIG 3 and FIG 4 In the situation shown (after a previous banding process in which band 14 was cut off), the pins pierce band 14.
• a balancing mass 34 is attached to the winding head 18, in particular to the banding unit 20.
• At least and preferably exactly one gripping unit 26 is provided.
• the gripping unit 26 is arranged next to the winding module 16 on the side opposite the banding unit 20.
• two gripping units 26 can be arranged on either side of the winding module 16.
• Each gripping unit 26 has a gripper holder 28 and two arc-shaped gripping elements 30. These are mounted on the gripper holder 28, in particular so as to be pivotally movable.
• FIG 2 A controllable actuating element 31 can be identified, which preferably has two actuating elements 31a, 31b, each of which is connected to one of the gripping elements 30 in a foot area. The actuating elements 31a, 31b can perform a pivoting movement and with them also the arc-shaped gripping elements 30.
• the entire gripping unit 26 is preferably adjustable in the longitudinal direction L towards the conductor string 10.
• the gripping unit is, for example, linearly displaceable on the winding module 16 and, in particular, on the support plate 16 A, with its own drive for linear adjustment.
• the gripping elements 30 are shown in a partially closed position, in which they, together with the gripper 28, completely encircle the cable strand 10.
• the cable strand is therefore positioned between the gripping elements 30 and the gripper 28.
• the gripping elements 30 are brought together, the loose individual strands of the cable strand 10 are gathered, thus compressing the entire cable strand 10.
• the cable strand 10 is guided loosely within the gripping unit 26 during the taping process.
• the cable strand 10 is initially gripped firmly, particularly until a tape end is fixed to the cable strand 10 and the tape 14 has optionally been wrapped several times around the cable strand 10.
• the gripping unit 26 is opened slightly and moved into a gripping position, so that the cable strand 10 is guided loosely and passes through the gripping unit 26 during the taping process.
• the assembly head 2 further comprises two pairs of guide rollers 32. These are mounted on both sides of the winding head 18 and the banding unit 20, respectively.
• the pair located on the side of the gripping unit 26 is, for example, attached to the gripping unit 26, specifically to the gripper holder 28, and is adjustable in the longitudinal direction L with it.
• the pair is adjustable in the longitudinal direction L independently of the gripper.
• the guide rollers 32 are therefore specifically assigned their own adjustment mechanism for longitudinal adjustment, so that they can be adjusted independently of the gripper.
• the opposite pair, which is arranged next to the banding unit 20, is preferably also adjustable in the longitudinal direction L and has a suitable linear drive for this purpose.
• the guide rollers 32 are arranged opposite each other to the conductor string 10 and can be adjusted towards the conductor string 10. A pivoting movement is provided for this purpose. In their closed end position, their roller axes are preferably arranged parallel or largely parallel to each other.
• the conductor string 10 is located between The conductor strand 10 is guided and held by the guide rollers 32.
• the distance between the guide rollers 32 is preferably dimensioned such that the conductor strand 10 is compressed somewhat overall, resulting, for example, in a roughly flattened cross-sectional contour.
• the distance between the guide rollers 32 during the taping process is preferably adjustable, for example, by parameterization or alternatively manually, particularly depending on the diameter of the conductor strand 10.
• a gripping diameter of the gripping elements 28 can preferably be adjusted in the closed state in the same or a similar manner. This reliably prevents twisting of the cable bundle 10 during the subsequent taping process.
• the guide rollers 32 are preferably pressed against the cable bundle 10 throughout the entire taping process.
• the guide rollers 32 are rotatable about their roller axis, but preferably do not have their own drive.
• the surface of the guide rollers 32 preferably has good adhesion and is, for example, rubberized or similarly rubberized. This also largely prevents the risk of damage to the wiring harness 10 during the entire taping process. Furthermore, this counteracts and prevents twisting of the wiring harness during the taping process.
• the banding process is preferably as follows: The assembly head 2 is moved towards the cable bundle 10 by means of the robot 6. The cable bundle 10 is held in place, particularly on both sides. However, the positioning movement of the assembly head 2 is not strictly necessary, depending on its position relative to the cable bundle 10. Alternatively or additionally, the gripping unit 26 and the winding module 16 are moved longitudinally L by moving the winding module 16 relative to the support frame 4. Preferably, the assembly head is positioned next to the cable bundle 10 at the beginning of the taping process, such that the lateral opening of the winding head 18 is oriented towards the cable bundle 10.
• the gripping unit 26 is first positioned towards the cable bundle 10 and moved relative to the support frame 4 for this purpose.
• the gripping elements 30 are then pivoted so that the cable bundle 10 is enclosed.
• the gripping elements 30, together with the gripper holder 28, define a gripping diameter.
• the individual cables are thereby brought together and, if necessary, also compressed.
• the cable bundle 10 is first clamped and held firmly in place during this step.
• the gripping elements 30 are loosened slightly so that they still completely enclose the cable bundle, but only hold it loosely, allowing the cable bundle 14 to be passed through the gripping unit 16 in a transverse direction.
• the conductor strand 14 is tightened in the transverse direction by means of the two pairs on guide rollers 32.
• the two pairs are pulled apart in opposite directions in and against the transverse direction Q, so that the conductor strand 10 is tightened in the area of the winding head 16. At least one of the pairs exerts a movement in the transverse direction Q.
• the winding module 16 is moved longitudinally L towards the conductor string 10 relative to the support frame 4, so that the latter is received inside the winding head 18.
• any loose end of the tape 14 is preferably pressed against the conductor 10 during this delivery movement.
• This is achieved in particular by means of the first pressure element 24, which presses the tape 14 from above against the conductor 10, so that the tape 14 is fixed between the pressure element 24 and the conductor 10 (see also Figure 1).
• Figure 3 In an alternative design variant, the pressure element 24 can also be pivoted from below against the conductor 10, so that the tape start is pressed against the conductor 10. In any case, the tape start is fixed to the conductor 10 fully automatically.
• the tape 14 is, in particular, a self-adhesive tape.
• the winding head 18 and with it the taping unit 20 rotate around the axis of rotation, so that the tape 14 is unwound from the tape dispenser 22 and wound around the conductor 10.
• the tape 14 is first wound several times around the conductor 10 at the starting position, so that the beginning of the tape is reliably fixed.
• the conductor string 10 is then, for example, wrapped in a spiral shape with the tape 14.
• the gripping unit 26 holds the cable bundle 10 firmly enclosed, preferably until the beginning of this spiral wrapping. Generally, before the start of the spiral wrapping, the gripping elements 30 are opened slightly again, so that the cable bundle 10 is still completely enclosed, but only loosely held.
• the entire assembly head 2 is moved in or against the transverse direction Q using the industrial robot 8, so that the tape 14 is successively wrapped around the conductor 10 either as spiral wrapping or as full wrapping.
• the assembly head 2 also allows for spot wrapping, in which the tape 14 is wrapped around the conductor 10 at only one position.
• the tape is automatically cut.
• the taping unit 20 (together with the winding head 18) first retracts a short distance in the opposite direction L. This causes a section of the tape to protrude radially from the conductor strand 10. The tape 14 is thereby taut and thus stretched.
• the tape 14 is cut by means of the cutting element 23.
• a pivoting movement of the taping unit 20, for example about the axis of rotation of the winding module 16, is provided. This guides the cutting element 23 from below against the stretched tape 14. The cutting element 23 then cuts the tape 14.
• the taping unit 20 (together with the winding head 18) first moves back a short distance against the longitudinal direction L, so that the band 14 is tensioned. The taping unit 20 then moves forward a short distance in the longitudinal direction, so that the band 14 is no longer elastically tensioned, but sufficient space is provided for the cutting element 23 to cut it. This prevents the strip 14 from rolling back/retracting due to its elasticity after cutting, thus ensuring that no loose strip beginning is available for the subsequent taping process.
• the loose end of the band created in the process is preferably also pressed against the conductor string 10 by the further pressure element 25.
• an end end remains on the strip 14 located on the tape dispenser 22, which defines the beginning of the strip for the next taping process.
• This end end is held in place by the arrangement of the retaining element 27.
• the strip end rests on top of the retaining element 27.
• the retaining element 27 – as particularly in FIG 3 This can be seen – it is formed by several, in particular needle-shaped, pins that even pierce the band. Piercing occurs especially during cutting, when the cutting element 23 is pivoted from below against the band 14.
• the holding element 27 is preferably pivoted together with the cutting element 23.
• the needle-shaped pins pierce the end of the bandage. This holds the bandage end firmly in position for the next bandaging step.
• the pins protrude only slightly beyond bandage 14 (exaggerated in the figures).
• the end of the tape is held in position by the pins.
• the first pressure element 24, by pivoting, guides the tape 14 to the cable bundle 10, so that the tape 14 is pressed against the cable bundle 10 and adheres to it.
• the end of the tape is then automatically released from the pins.
• the first pressure element 24 generally holds the strip 14 in position.
• the pins hold the strip end downwards after cutting, until the next taping process.
• the holding element 27 is arranged directly adjacent to the cutting element 23. This means, in particular, that the holding element 27, and thus the support point for the end of the belt, is located only a few centimeters away from the cutting element 23, for example, a maximum of 2 cm or even a maximum of 1 cm.
• FIG. 5 and 6 An alternative version of the mounting head 2 is shown. The preceding explanations apply at least largely equally to this alternative version.
• the retaining element 27 is omitted.
• Two gripping units 26 are also attached to both sides of the winding head 18.
• a pair of guide rollers 32 is preferably attached to each gripping unit 26.

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• Manufacture Of Motors, Generators (AREA)
• Supply And Installment Of Electrical Components (AREA)

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• 2023
  • 2023-02-13 DE DE102023201175.1A patent/DE102023201175A1/de active Pending
  • 2023-09-21 WO PCT/EP2023/076129 patent/WO2024062061A1/fr not_active Ceased
  • 2023-09-21 EP EP23776342.0A patent/EP4402704B1/fr active Active
  • 2023-09-21 CN CN202380067306.6A patent/CN120153438A/zh active Pending
  • 2023-09-21 EP EP25221396.2A patent/EP4682913A3/fr active Pending
  • 2023-09-21 DE DE202023002770.5U patent/DE202023002770U1/de active Active
  • 2023-09-21 MA MA68837A patent/MA68837B1/fr unknown
• 2025
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