DE202018100635U1 - Device for forming a multi-part strip coil - Google Patents

Abstract

Device (1) for forming a multi-part band coil (2) from a plurality of individual band coils (3), characterized by
an untwisting unit (4), wherein a band coil (3) with its band coil inside (8) can be positioned around the unwinding unit (4),
the apparatus (1) being adapted to effect relative rotation between the unwinding unit (4) and a belt coil (3),
and the turning unit (4) can exert a radially directed compressive force against a tape coil inner side (8) during a relative rotation between the turning unit (4) and the band coil (3).

Description

The present invention relates to an apparatus for forming a multi-piece band coil of a plurality of individual band coils according to the independent claim. An associated method is also disclosed herein.

Such a multi-part tape coil includes, for example, a so-called PUP ("Piece Under Piece Coil") coil, which is so-called because the individual tape coils are arranged in the PUP coil in one another, for example nested in one another.

A molded with the device according to the invention multi-part tape coil, for example, a PUP coil is formed, inter alia, in coil processing operations of smaller band coils, which are incurred for example as cut remnants in the processing of large band coils. These multi-part band coils are then fed to other processing processes. For this they are often packaged and sent to other companies for further use.

So far, such multi-part band coils of employees manually pushed each other until a multi-part tape coil of a desired size is created.

However, this manual work is physically exhausting, tedious and associated with a high risk of injury to the workers, for example due to the sometimes sharp edges of the band coils. Also, the size of the multi-part band coil is severely limited by the physical capacity of the worker.

The present invention has for its object to make the forms of a multi-part band coils easier, faster and safer.

The invention solves this problem with the features in the characterizing part of the independent device claim.

The device comprises here an untwisting unit, wherein a band coil with its Bandcoilinnenseite is positionable about the untwisting unit, wherein the device is adapted to cause a relative rotation between the untwisting unit and a band coil, and the unwinding unit at a relative rotation between Aufdreehenheit and Bandcoil a can exert radially directed compressive force against a Bandcoilinnenseite.

By Aufdreheinheit, which can exert a radially directed compressive force against a Bandcoilinnenseite at a relative rotation between Aufdreheinheit and Bandcoil, it is possible to expand the inner diameter of Bandcoils by untwisting the Bandcoils and thereby room for positioning further Bandcoils between Aufdreheinheit and the inside to create the enlarged band coils. By the pressure force when rotating against a Bandcoilinnenseite the untwisting unit can turn up a band coil, since the aufzudrehende Bandcoil undergoes both a radial force and a rotational force by the friction between Aufdreheinheit and Bandcoilinnenseite.

Conveniently, the device may have a limiting structure arranged in the radial direction of the turning unit, against which the turning unit can press a band coil from the inside of the band coil.

This limiting structure makes it possible to create a defined stop for the radially outermost band coil of the multi-part band coil to be formed. The delimiting structure can thus decelerate or hold stationary the outermost band coil and thus facilitate unraveling. Furthermore, the limiting structure allows a pressing compression of the individual band coils of the multi-part band coil.

Advantageously, the limiting structure can surround the untwisting unit in the radial direction. Thus, a defined stop for multiple locations of the outermost band coil can be created. The outer dimensions, for example, the outer diameter of the multi-part band coil to be formed can be so easily defined.

In one possible embodiment, the turning unit may have an axis of rotation, and the turning unit may be configured to rotate in different radii about the axis of rotation and to exert a radially directed compressive force against a Bandcoilinnenseite with increasing radius.

All you have to do is rotate the revolving unit to turn on band coils while the band coils do not need to be rotated.

In a further possible embodiment, the turning unit may be formed in a basic position columnar, in particular taper at a free end.

This allows easy positioning of a bandcoil with its bandcoil inside the untwisting unit. An optional tapering at the free end allows a thorn-like design of the turning unit in the basic position and so easy positioning of bulky band coils with initially small inner diameter.

Optionally, the turning unit with its axis of rotation can be aligned vertically. As a result, a band coil positioned around the untwisting unit is likewise positioned vertically upwards with its coil eye and can thus be turned up very uniformly and easily radially in the horizontal direction.

In a further embodiment, the turning unit may comprise a force and motion conversion mechanism which converts a force and / or movement introduced in the turning unit in the direction of the rotation axis into a radial pushing force and / or movement of the turning unit. This allows a simple and compact design of the turning unit. The force and / or movement introduced in the direction of the axis of rotation can hereby undergo a desired change in magnitude, for example an increase or a decrease, during the conversion.

In a variant of the invention, the force and movement conversion mechanism may have a linear actuator acting in the direction of rotation and a scissors mechanism acting radially. This combination allows a particularly compact, for example, columnar, and reliable execution of the turning unit.

In an advantageous embodiment, the turning unit may comprise at least one extendable boom for pressing against a Bandcoilinnenseite, in particular at least one extendable and rotatable boom.

Such a design allows a controllable pressing against a Bandcoilinnenseite. An optional extendable and rotatable version of the boom further allows simultaneous application of a compressive force and a rotational force against a belt coil inside the boom.

Advantageously, in one embodiment, the at least one cantilever may have at its free end a shield which is adapted to press against a bandcoil inner side and slide on rotation along a bandcoil inner side under friction. The shield advantageously enables a flat pressing against the belt coil inside while simultaneously applying a rotational force against the belt coil inside.

In a further advantageous embodiment, a first rotator-side end of the scissor mechanism may be stationarily hinged and a second, movable rotator-side end of the scissor mechanism may be hinged to the linear actuator, and two ends of the scissors mechanism remote from the axis of rotation may be hinged to the shield, with one of the shield-side ends in FIG Rotationsachsrichtung slidably hinged to the shield can be.

This arrangement of linear actuator, scissor mechanism and shield advantageously combines the advantages and functions previously mentioned in connection with these features. Furthermore, such an arrangement, for example, when introducing a constant force in the linear actuator allows increasing with increasing radius pressing force of the boom against the Bandcoilinnenseite.

In a preferred possible embodiment, the turning unit may comprise a plurality of extendable, preferably also rotatable, arms, which are arranged in the circumferential direction around the axis of rotation of the turning unit, in particular in mutually equal distances in the circumferential direction.

As a result, pressure forces can be exerted evenly against the Bandcoilinnenseite and thus a Bandcoil be turned up faster and more reliable. This is especially true for the optional rotatable version of the boom.

In one possible embodiment, the delimiting structure can be reversibly detachable from the device.

This facilitates access to the multi-part tape coil after forming the multi-piece tape coil, for example, to remove it from the device and / or pack it.

Advantageously, in one possible embodiment, the limiting structure may be formed as part of a removable coil transport means, in particular as a side wall of a removable coil transport container.

This allows embodiments in which the shaped multi-part band coil is already connected to a coil transport means so that the band coil can already be separated with the coil transport means from the rest of the device and transported on. The optional design of the limiting structure as a side wall of a removable coil transport container is in this case a particularly advantageous embodiment.

For a particular possible embodiment, the turning unit may protrude through a through hole of the detachable coil transport means, in particular the coil transport container having a bottom and a side wall, and the untwisting unit through a through hole in the bottom of the coil transport container protrude into the coil transport container.

This special arrangement between turning unit and coil transport means allows easy forming of the multi-part band coil on the coil transport means. The special, optional version between turning unit and a coil transport container is particularly advantageous.

Furthermore, in one embodiment, the coil transport container may be open at the top. This allows easy insertion of the individual band coils in the coil transport container and thus in the device, and also later a slight lifting out of the shaped multi-part band coil from the coil transport container.

Advantageously, in one embodiment, the coil transport container can be opened and closed laterally. This allows a simple lateral access to the molded multi-part band coil, for example with a forklift.

In another possible embodiment, a removable transport pallet with a through-hole may be provided at the bottom of the coil transport container, and the through-hole of the transport pallet and the through-hole of the coil transport container are in alignment with the axis of rotation of the untwisting unit and dimensioned such that the coil transport container along with the transport pallet is in the rotational axis direction is removable from the rest of the device.

This arrangement allows a simple and reliable forms of a multi-part band coil lying on a transport pallet lying in a coil transport container, the multi-part band coil is already prepared particularly advantageous for subsequent processing and transport steps.

The object mentioned at the outset is further solved by the method with the following method:

A method of forming a multi-piece band coil from a plurality of individual band coils, characterized by positioning at least one band coil with its inside about a untwisting unit, rotating the unwinding unit and the at least one band coil relative to each other, pressing the unwind unit in relative rotation against the inside of the at least one band coil until the Inner diameter of the at least one band coil is increased.

As already mentioned in the independent device claim, it is possible with this method to expand the inner diameter of band coils by unwinding the band coils and thereby to create space for positioning further band coils between the revolving unit and the inside of the enlarged band coils. Due to the compressive force during rotation against a Bandcoilinnenseite the untwisting unit can turn up a band coil, since the band coil undergoes both a radial force and a rotational force due to friction between Aufdreheinheit and Bandcoilinnenseite.

In an advantageous possible embodiment, the method further comprises positioning at least one further band coil between the revolving unit and the at least one enlarged band coil, rotating the revolving unit and the at least one further band coil relative to each other, pressing the revolving unit in relative rotation against the inside of the at least a further band coils until the inner diameter of the at least one further band coil is increased.

At the latest in this design, a multi-part tape coil is formed.

In a further possible embodiment, the method further comprises pressing the at least one further band coil against the inside of the enlarged at least one band coil.

As a result, the shaped multi-part band coil is compacted.

In a further possible variant of the method, the turning unit rotates, in particular about a vertical axis of rotation.

Thus, the relative rotation can be brought about solely by the untwisting unit, while the at least one band coil does not have to be rotated independently. A vertical axis of rotation allows positioning of a band coil to the turning unit with its coil eye also vertically upwards. As a result, the band coil can be turned up very uniformly and easily from the untwisting unit in the radial, horizontal direction.

In a particular possible variant of the method, the turning unit is rotated in variable radii about an axis of rotation and presses with increasing radius against the inside of the at least one band coil.

This allows advantageous pressing and rotating by the turning unit against an inside of the at least one band coil.

In an expedient possible variant of the method, an introduced in the turning unit force and / or movement in a radial Compressive force and / or movement converted to a bandcoil inside.

This allows a simple and compact design of the turning unit. The introduced force and / or movement may further undergo a desired amount of change, such as an increase or decrease, in the conversion.

In an advantageous possible variant of the method, the introduced force and / or movement can be converted by a combination of linear actuator and scissor mechanism into a radial force and / or movement.

This combination allows a particularly compact, for example, columnar, and reliable execution of the turning unit.

In a further possible variant of the method, at least one radially extendable arm of the revolving unit is rotated and presses with increasing radius against the inside of the at least one band coil.

Such a design reliably enables a controllable pressing and rotating against the inside of the at least one band coil. The boom further allows simultaneous application of a compressive force and a rotational force against an inner side of the at least one band coil by the cantilever.

In an advantageous possible embodiment of the method, a plurality of radially extendable arms of the revolving unit rotate and press with increasing radii against an inner side of the at least one band coil, in particular with simultaneously increasing same radii.

As a result, the inside of the at least one band coil can be pressed radially at several points simultaneously, which allows a more uniform untwisting of the at least one band coil. A simultaneous increase in equal radii allows simultaneous and equal pressing at several points on the inside of the at least one band coil, and thereby easier and more uniform unwinding and a uniform radial compression of the molded multi-part band coil.

In one possible embodiment of the method, all the arms rotate at the same speed.

As a result, the inside of the at least one band coil experiences the same rotational force through all the arms.

In a wide possible embodiment of the method, the arms rotate in the circumferential direction at equal distances from each other about the axis of rotation.

As a result, the pressure forces are delivered very evenly to the inside of the at least one band coil.

In a further possible variant of the method, the at least one band coil is pressed in the radial direction against a limiting structure.

This allows, for example, to create a defined stop for the outermost band coil of the multi-part band coil to be formed. The delimiting structure can thus decelerate or hold stationary the outermost band coil at this point against rotation and thus facilitate unraveling. Furthermore, the limiting structure allows a better pressing compression of the individual band coils in the multi-part band coil through the untwisting unit.

In a proposed possible variant of the method, the multi-part band coil is formed on a coil transport means, in particular formed in a coil transport container.

Thus, the multi-part band coil after forming is already on a coil transport for subsequent processing. The optional forming in a coil transport container protects the worker from the individual band coils.

In a further possible variant of the method, the turning unit protrudes through a through-hole in the bottom of a coil transport means detachable from the turning unit, especially protruding through a through-hole in the bottom of a coil transport container detachable from the turning unit into this coil transport box during molding of a multi-piece band coil.

In this way, the multi-part band coil can be formed lying on the coil transport means and can be easily transported to subsequent operations. The aforementioned optional arrangement between Aufdreheinheit and a coil transport container is particularly advantageous because among other things, the workers can be better protected by the container before the multi-part tape coil.

In a further possible embodiment of the method, the coil transport means has the delimiting structure, in particular the delimiting structure is part of a side wall of the coil transport container.

This advantageously combines the advantages of the limiting structure with those of the coil transport means, in particular with those of the coil transport container.

In a further possible variant of the method, the turning unit is designed according to one of the device claims.

In another possible variant of the method, the method is performed with a device according to one of the device claims.

In the following, a possible embodiment of the invention, which advantageously combines several of the aforementioned embodiments and inventive aspects, will be described in more detail with reference to the figures.

• 1 eine perspektivische Ansicht von schräg oben auf eine Ausführungsform einer erfindungsgemäßen Vorrichtung mit einer Aufdreheinheit in einer Grundstellung und mit einem Coiltransportbehälter mit darin eingelegter Transportpalette,
• 2 die Vorrichtung aus 1 mit Auslegern der Aufdreheinheit in einer ausgefahrenen Stellung,
• 3 die Vorrichtung aus 2 ohne Coiltransportbehälter aber mit Transportpalette,
• 4 den Coiltransportbehälter aus 1 mit eingelegter Transportpalette und entfernter Seitenwand,
• 5 die Vorrichtung aus 1 mit einem eingelegten, noch nicht aufgedrehten Bandcoil,
• 6 die Vorrichtung aus 5 mit Auslegern der Aufdreheinheit in einer voll ausgefahrenen Stellung und mit aufgedrehtem Bandcoil,
• 7 die Vorrichtung aus 6 mit Auslegern der Aufdreheinheit in wieder eingefahrener Grundstellung und mit dem aufgedrehten Bandcoil,
• 8 ein schematisch gezeichnetes, noch unaufgedrehtes Bandcoil,
• 9 ein schematisch gezeichnetes, von der Vorrichtung geformtes mehrteiliges Bandcoil aus mehreren einzelnen Bandcoils.

Showing:

• 1 a perspective view obliquely from above on an embodiment of a device according to the invention with an untwisting unit in a basic position and with a coil transport container with inserted transport pallet,
• 2 the device off 1 with arms of the turning unit in an extended position,
• 3 the device off 2 without coil transport container but with transport pallet,
• 4 the coil transport container 1 with inserted transport pallet and removed sidewall,
• 5 the device off 1 with an inserted, not yet wound up bandcoil,
• 6 the device off 5 with arms of the untwisting unit in a fully extended position and with unwound bandcoil,
• 7 the device off 6 with arms of the turning unit in the retracted basic position and with the wound up coil,
• 8th a schematically drawn, still unturned bandcoil,
• 9 a schematically drawn, formed by the device multi-part band coil of several individual band coils.

1 shows a device according to the invention 1 for forming a multi-part bandcoil 2 , here a PUP coil, from several individual band coils 3 ,

The device 1 here has a revolving unit 4 , a support frame 5 , a drive and control unit 6 and a means of transport, here in the form of a coil transport container 7 , on.

The device 1 here has a cuboid shape, which of the cuboid support frame 5 , which the coil transport container 7 receives, and the cuboid, in the support frame 5 used coil transport container 7 is characterized.

The device 1 is open at the top, so a bandcoil 3 or even several band coils at once from above into the coil transport container 7 can be put in that the inside 8th the bandcoil 3 around the here columnar turning unit 4 are positioned around.

The turning unit 4 is in the center of the device 1 So also in the center of the coil transport container 7 , and is positioned by the support frame 5 and the coil transport container 7 surround.

The turning unit 4 extends columnar along a vertical axis of rotation here A , here is rotationally symmetrical, is with its one end 9 on the bottom 10 the device 1 with the most lateral as well as at the bottom 10 the device 1 positioned drive and control unit 6 mechanically and hydraulically connected, and is with its tapered free end 11 thorn-like upwards.

The turning unit 4 protrudes through a through hole 12 in the ground 13 of the coil transport container 7 and through a through hole 14 a transport pallet in the coil transport container 15 in the coil transport container 7 into it.

The coil transport container 7 has four side walls 16 , at least one of them openable and closable, and the floor 13 up and open at the top. The height of the side walls 16 in the direction of the axis of rotation A , so here in the vertical direction, is chosen so that it is at least equal to the length at which the untwisting unit 4 in the coil transport container 7 extends, so that the turning unit 4 not over the side walls here 16 protrudes.

Part of the lateral surface 17 the columnar turning unit 4 is made by radially movable shields 18 shaped here by a total of three radially movable shields 18 ,

These shields 18 are each via a radially acting scissor mechanism 19 with one in the revolving unit 4 positioned and along the axis of rotation A acting linear actuator 20 connected, here with a hydraulic cylinder.

The drive and control unit 6 includes a controllable electric motor, not shown, as well as a controllable hydraulic pump 22 , The electric motor is here via a at the bottom 10 the device located worm gear 23 with the rotatable mounted turning unit 4 connected to rotate it. The hydraulic pump 22 is connected via a rotary feedthrough, not shown, with the hydraulic cylinder in order to extend this and can.

As in 2 good to see includes the turning unit 4 here are three extendable outriggers 24 , which ever one of the scissors mechanisms 19 with shield 18 include. In this embodiment, the whole is in the coil transport container 7 protruding part of the turning unit 4 rotatable at a controllable speed, including the outriggers 24 , The outriggers 24 are extended here in their maximum radial extension length. A tape coil is not shown in this figure for purposes of illustration. The combination of linear actuator 20 and scissors mechanism 19 acts here as a force and motion conversion mechanism which provides a force and / or movement of the linear actuator 20 in a radial force and / or movement of the boom 24 transforms.

As in 3 better to see, are the two of the rotation axis A opposite ends 25 . 26 every scissor mechanism 19 on the inside of the shield facing the rotation axis A. 18 hinged. Furthermore, here is the top 25 the two ends in Rotationsachsrichtung A movable on the shield 18 guided. The shield 18 here is curved running channel-shaped, pointing radially outwards with the convexly curved side. A bandcoil 3 is not shown here for better illustration, nor is the coil transport container 7 ,

At the two in 3 not shown rotationsachseititigen ends of the scissors mechanism 19 the lower end is stationary on the drive unit 4 hinged and the upper, other end of the movable part of the linear actuator 20 , here the hydraulic cylinder, articulated.

All scissors mechanisms 19 are here in this way with the linear actuator 20 connected.

As in 3 can be seen, and can be better understood with the following figures, for example, a transport pallet 15 , for example, as here still with a low-friction top 27 , as a sheet metal support provided, the bearing surface for a multi-part band coil to be formed 2 form. The transport pallet 15 also has the through hole 14 in a central location.

4 shows the coil transport container 7 from the rest of the device 1 separated and with inserted transport pallet 15 , One of the side walls 16 was here from the container 7 away. In this embodiment, the coil transport container 7 side openable and closable. The floor 13 of the coil transport container 7 also has the through hole 12 in a central place. The two through holes 12 . 14 are formed here circular and are so to Aufdreheinheit 4 in the device 1 positioned to be in alignment in rotational axis direction. The turning unit 4 can so in their basic position with retracted boom 24 through the through holes 12 . 14 in the coil transport container 7 be pushed in, and later pulled out in the opposite direction again.

5 shows the device 1 out 1 this time with an inserted bandcoil 3 ,

The turning unit 4 is here in your home position with retired outsiders 24 , The circumferentially extending inside 8th the bandcoil 3 , sometimes called Coilauge, here stands the outer surface 17 , and thus the shields 18 , about parallel opposite. In this position of the turning unit 4 is still the distance between the bandcoil inside 8th and the shields 18 , The bandcoil 3 stands here with a coil page 28 on the friction reduced surface 27 the transport pallet 15 , The turning unit 4 does not rotate here yet.

6 now shows the turning unit 4 with the arms 24 after its rotation in a maximally radially extended position. The outriggers 24 have just stopped spinning, but still press the now wound up tape coil 29 from the bandcoil inside 30 fro against the inner wall 31 of the coil transport container 7 ,

7 shows the turning unit 4 with the arms 24 again in the retracted basic position together with the now wound up bandcoil 29 , As you can see, there is now enough space in the radial direction between the turning unit 4 and the inside 30 of the wound up bandcoil 29 been created to another bandcoil 3 , or several more band coils at once, into the device 1 insert, or more precisely, with the bandcoil inside 8th around the revolving unit 4 to position around and follow this new bandcoil 3 also turn up.

8th shows a single, still unturned bandcoil 3 with his bandcoil inside 8th , his bandcoil outside 32 as well as its inside diameter D1 ,

9 shows a multi-part tape coil 2 , for example a PUP coil, which passes through the device 1 was formed. The individual band coils are here of the turning unit 4 pushed together and pressed into each other. The inner diameter D2 of the multi-part bandcoil 2 in this case is at least equal to the outer diameter of the lateral surface 17 the turning unit 4 ,

In one possible embodiment, the band coils 3 . 29 made of metal. In another possible embodiment, the band coils 3 . 29 from steel. For example, the band coils 3 . 29 from so-called CRGO ("cold-rolled grain-oriented steel"). In one embodiment, the band coils are 3 . 29 surface-coated electrical sheets, for example coated with a film containing magnesium and glass.

In one possible embodiment, the individual band coils have 3 . 29 unwound a length in the range of 2m to 30m, in particular in the range of 5m to 25m.

In another possible embodiment, the bands of the band coils have a thickness in the range of 0.1 mm to 0.5 mm, in particular in the range of 0.2 mm to 0.4 mm.

In one possible embodiment, a multi-part band coil molded according to the invention has a weight in the range from 10 kg to 500 kg, in particular a weight in the range from 50 kg to 300 kg.

All of the aforementioned embodiments can furthermore be combined as desired with one another to form further embodiments.

In another possible embodiment, not shown here, the coil transport container 7 also be omitted. The bandcoil 3 is then, for example, on the transport pallet 15 and is surrounded radially only by the support frame or another radially surrounding structure, which then, for example, as a limiting structure for the forming, multi-part band coil 2 serves.

In a further possible embodiment, not shown here, a limiting structure can also be omitted.

In another possible, not shown, embodiment, the band coil 3 be positioned on a turntable and the turntable are set in rotation. Optionally, a limiting structure can rotate with the turntable. The turning unit 4 has further controllable radially extendable boom, but does not rotate in this embodiment or at a different rotational speed than the turntable with the band coil 3 , Thus, also a relative rotation between Bandcoil 3 and turning unit 4 be generated, and according to the invention a radial force through the turning unit against the Bandcoilinnenseite 8th be exercised so that a bandcoil turns up.

For a better understanding, the mode of operation of the device from the figures and the method will be explained in more detail below.

For the sake of simplicity, the function will be described below with the successive untwisting of individual band coils 3 explained, although several band coils can be turned on at the same time.

At the beginning of molding a multi-part bandcoil 2 a worker, for example by hand, takes a bandcoil 3 as in 8th shown and inverts it with his Coilauge on the thorn-shaped turning unit 4 , which are in their basic position with retracted arms 24 is located as in 1 shown.

The conically tapered free end 11 the turning unit 4 helps the bandcoil 3 over the revolving unit 4 to put it over so that the bandcoil 3 with its inside 8th around the revolving unit 4 positioned on the transport pallet 15 of the container 7 comes to a stop as it is in 5 is shown. The transport pallet 15 is here with the friction reducing coating 27 provided so that the friction between the edges of the band coil 3 and the transport pallet 15 As low as possible and the bandcoil 3 just turn it up.

Subsequently, by the hydraulic pump 22 the moving part of the hydraulic cylinder moves, retracted here, causing the scissor mechanisms 19 at the same time extend radially from the basic position and start the shields 18 radially against the coilcoil inside 8th to press. At least if at least one of the shields 18 in contact with the bandcoil inside 8th reaches, is the turning unit 4 through the electric motor and the worm gear 23 set in rotation.

For example, a worker can work on the drive and control unit 6 the direction of rotation of the turning unit 4 so choose the shields 18 from the inside edge 33 the bandcoil 3 Following the coil winding, rotate to the band coil 3 just turn it up. For a bandcoil like in 8th shown, this would be clockwise.

During the rotation of the turning unit 4 The radius r of the boom is increasingly increased and thereby the inner diameter D1 the bandcoil 3 steadily increased. The radial outer surfaces 34 the shields 18 press here in radial Direction in several places at the same time against the Bandcoilinnenfläche 8th and slide at the same time friction on the Bandcoilinnenfläche 8th along. The bandcoil surface 8th This results in a rotational force which, together with the radial force, the unwinding of the band coil 3 causes. The oppressive rotation process is continued until the boom 24 reach their maximum extended position.

In the present embodiment, the cantilevers press 24 in its maximum extended position the now wound up band coil 29 (previously as a bandcoil 3 designated) against the inner wall 31 of the coil transport container 7 , This inner wall 31 The coil transport container acts here as a delimiting structure and forms a stop for the outside 32 the bandcoil 29 , which makes the bandcoil 29 is braked against a rotation in comparison to Aufdreheinheit or stands still. The inner dimension of the coil transport container 7 sets here the outer diameter of the multi-part band coil to be formed 2 firmly.

After completely turning the bandcoil 3 drive the arms 24 by pressing the hydraulic cylinder back to its fully retracted home position. The bandcoil 29 now remains in his unfolded position.

Subsequently, more band coils are successively inserted into the device in the manner described and turned up to the multi-part band coil 2 has reached a desired strength or a desired weight.

Then the coil transport container 7 with the on the transport pallet 15 lying multi-part bandcoil 2 in the vertical direction along the axis of rotation A of the turning unit 4 as well as the rest of the device 1 lifted and fed to further processing processes.

A structurally identical, still empty coil transport container 7 can be subsequently used in the rest of the device. The support frame 5 serves as a holder and guide for the coil transport container 7 ,

The coil transport container 7 with the molded multipart tape coil 2 may continue after losing weight from the untwisting unit 4 open on one side, the multi-part bandcoil 2 with the transport pallet 15 from the coil transport container 7 be lifted upwards, for example with a forklift, and then packaged.

1. 1. Verfahren zum Formen eines mehrteiligen Bandcoils aus mehreren einzelnen Bandcoils, gekennzeichnet durch Positionieren mindestens eines Bandcoils mit seiner Innenseite um eine Aufdreheinheit, Rotieren der Aufdreheinheit und des mindestens einen Bandcoils relativ zueinander, Drücken der Aufdreheinheit bei relativer Rotation gegen die Innenseite des mindestens einen Bandcoils bis der Innendurchmesser des mindestens einen Bandcoils vergrößert ist.
2. 2. Verfahren nach Punkt 1, gekennzeichnet durch Positionieren mindestens eines weiteren Bandcoils zwischen der Aufdreheinheit und dem mindestens einen vergrößerten Bandcoil, Rotieren der Aufdreheinheit und des mindestens einen weiteren Bandcoils relativ zueinander, Drücken der Aufdreheinheit bei relativer Rotation gegen die Innenseite des mindestens einen weiteren Bandcoils bis der Innendurchmesser des mindestens einen weiteren Bandcoils vergrößert ist.
3. 3. Verfahren nach einem der vorherigen Punkte, gekennzeichnet durch Drücken des mindestens einen weiteren Bandcoils gegen die Innenseite des vergrößerten mindestens einen Bandcoils.
4. 4. Verfahren nach einem der vorherigen Punkte, dadurch gekennzeichnet, dass die Aufdreheinheit rotiert, insbesondere um eine vertikale Rotationsachse.
5. 5. Verfahren nach einem der vorherigen Punkte, dadurch gekennzeichnet, dass die Aufdreheinheit in veränderbaren Radien um eine Rotationsachse rotiert und bei zunehmendem Radius gegen die Innenseite des mindestens einen Bandcoils drückt.
6. 6. Verfahren nach einem der vorherigen Punkte, dadurch gekennzeichnet, dass eine in der Aufdreheinheit eingeleitete Kraft und/oder Bewegung in eine radiale Druckkraft und/oder Bewegung gegen eine Bandcoilinnenseite umgewandelt wird.
7. 7. Verfahren nach Punkt 6, dadurch gekennzeichnet, dass die eingeleitete Kraft und/oder Bewegung durch eine Kombination aus Linearaktuator und Scherenmechanismus in eine radiale Kraft und/oder Bewegung umgewandelt wird.
8. 8. Verfahren nach einem der vorherigen Punkte, dadurch gekennzeichnet, dass mindesten ein radial ausfahrbarer Ausleger der Aufdreheinheit rotiert und dabei mit zunehmendem Radius gegen die Innenseite des mindestens einen Bandcoils drückt.
9. 9. Verfahren nach einem der vorherigen Punkte, dadurch gekennzeichnet, dass mehrere radial ausfahrbare Ausleger der Aufdreheinheit rotieren und dabei mit zunehmenden Radien gegen die Innenseite des mindestens einen Bandcoils drücken, insbesondere mit gleichzeitig zunehmenden gleichen Radien.
10. 10. Verfahren nach einem der Punkte 8 und 9, dadurch gekennzeichnet, dass alle Ausleger mit gleicher Geschwindigkeit rotieren.
11. 11. Verfahren nach einem der Punkte 8 bis 10, dadurch gekennzeichnet, dass die Ausleger in Umfangsrichtung in gleichen Abständen zueinander um die Rotationsachse rotieren.
12. 12. Verfahren nach einem der vorherigen Punkte, dadurch gekennzeichnet, dass das mindestens eine Bandcoil in radialer Richtung gegen eine Begrenzungsstruktur gedrückt wird.
13. 13. Verfahren nach einem der vorherigen Punkte, dadurch gekennzeichnet, dass das mehrteilige Bandcoil auf einem Coiltransportmittel geformt wird, insbesondere in einem Coiltransportbehälter geformt wird.
14. 14. Verfahren nach einem der vorherigen Punkte, dadurch gekennzeichnet, dass die Aufdreheinheit während des Formens eines mehrteiligen Bandcoils durch ein Durchgangsloch im Boden eines von der Aufdreheinheit abnehmbaren Coiltransportmittels hindurchragt, insbesondere durch ein Durchgangsloch im Boden eines von der Aufdreheinheit abnehmbaren Coiltransportbehälters in den Coiltransportbehälter hineinragt.
15. 15. Verfahren nach einem der Punkte 13 bis 14 abhängig von Punkt 12, dadurch gekennzeichnet, dass das Coiltransportmittel die Begrenzungsstruktur aufweist, insbesondere die Begrenzungsstruktur Teil einer Seitenwandung des Coiltransportbehälters ist.
16. 16. Verfahren nach einem der vorherigen Punkte, dadurch gekennzeichnet, dass die Aufdreheinheit gemäß einem der Vorrichtungsansprüche 1 bis 12 ausgebildet ist.
17. 17. Verfahren nach einem der vorherigen Punkte, dadurch gekennzeichnet, dass es mit einer Vorrichtung gemäß einem der Vorrichtungsansprüche durchgeführt wird.

Possible variants of a method according to the invention are summarized again below:

1. A method of forming a multi-piece band coil of a plurality of individual band coils, characterized by positioning at least one band coil with its inside about a turning unit, rotating the turning unit and the at least one band coil relative to each other, pressing the turning unit in relative rotation against the inside of the at least one band coil until the inner diameter of the at least one band coil is increased.
2. 2. Method according to point 1 characterized by positioning at least one further band coil between the unwinding unit and the at least one enlarged band coil, rotating the unwinding unit and the at least one further band coil relative to each other, pressing the unwinding unit relative rotation against the inside of the at least one further band coil until the inner diameter of the at least one further band coils is enlarged.
3. 3. Method according to one of the preceding points, characterized by pressing the at least one further band coil against the inside of the enlarged at least one band coil.
4. 4. The method according to one of the preceding points, characterized in that the turning unit rotates, in particular about a vertical axis of rotation.
5. 5. The method according to one of the preceding points, characterized in that the turning unit rotates in variable radii about an axis of rotation and presses with increasing radius against the inside of the at least one band coil.
6. 6. The method according to one of the preceding points, characterized in that a force introduced in the untwisting unit force and / or movement is converted into a radial compressive force and / or movement against a Bandcoilinnenseite.
7. 7. Procedure according to point 6 , characterized in that the introduced force and / or movement is converted by a combination of linear actuator and scissors mechanism in a radial force and / or movement.
8. 8. The method according to one of the preceding points, characterized in that at least one radially extendable boom of the turning unit rotates and presses with increasing radius against the inside of the at least one band coil.
9. 9. The method according to any one of the preceding points, characterized in that a plurality of radially extendable boom rotate the Aufdreheinheit and press with increasing radii against the inside of the at least one band coil, in particular with the same same increasing radii.
10. 10. Procedure according to one of the points 8th and 9 , characterized in that all the arms rotate at the same speed.
11. 11. Method according to one of the points 8th to 10 , characterized in that the arms rotate in the circumferential direction at equal distances from each other about the axis of rotation.
12. 12. The method according to one of the preceding points, characterized in that the at least one band coil is pressed in the radial direction against a limiting structure.
13. 13. The method according to any one of the preceding points, characterized in that the multi-part band coil is formed on a coil transport means, in particular in a coil transport container is formed.
14. 14. The method according to one of the preceding points, characterized in that the untwisting unit protrudes through a through hole in the bottom of a detachable from the turning unit coil transport means, in particular protrudes through a through hole in the bottom of a detachable from the turning unit Coiltransportbehälters in the coil transport container during the molding of a multi-part band coil ,
15. 15. Procedure according to one of the points 13 to 14 depending on point 12 , characterized in that the coil transport means has the limiting structure, in particular the limiting structure is part of a side wall of the coil transport container.
16. 16. The method according to any one of the preceding points, characterized in that the untwisting unit according to one of the device claims 1 to 12 is trained.
17. 17. Method according to one of the preceding points, characterized in that it is carried out with a device according to one of the device claims.

Claims (18)

Device (1) for forming a multi-part band coil (2) from a plurality of individual band coils (3), characterized by an untwisting unit (4), wherein a band coil (3) with its Bandcoilinnenseite (8) about the untwisting unit (4) can be positioned, the device (1) is adapted to effect relative rotation between the unwinding unit (4) and a belt coil (3), and the unwinding unit (4) provides a radially directed compressive force upon relative rotation between the revolving unit (4) and the belt coil (3) can exercise against a Bandcoilinnenseite (8). Device (1) according to Claim 1 , characterized in that the device (1) has a limiting structure (16) arranged in the radial direction of the turning unit (4) against which the turning unit (4) can press a band coil (3) from the inside of the band coil. Device (1) according to Claim 2 , characterized in that the limiting structure (16) surrounds the turning unit (4) in the radial direction. Device (1) according to one of the preceding claims, characterized in that the turning unit (4) has an axis of rotation (A), and the turning unit (4) is adapted to rotate in different radii (r) about the axis of rotation (A) and with increasing radius (r) can exert a radially directed compressive force against a Bandcoilinnenseite (8). Device (1) according to one of the preceding claims, characterized in that the turning unit (4) is column-shaped in a basic position, in particular at a free end (11) tapers. Device (1) according to one of the preceding claims, characterized in that the turning unit (4) is aligned vertically with its axis of rotation (A). Device (1) according to one of the preceding claims, characterized in that the turning unit (4) has a force and movement conversion mechanism (20, 19), which in the Aufdreheinheit (4) in the direction of the axis of rotation (A) initiated force and / or movement in a radial compressive force and / or movement of the turning unit (4) transferred. Device (1) according to Claim 7 characterized in that the force and motion conversion mechanism has a rotational axis direction (A) acting linear actuator (20) and a radially acting scissors mechanism (19). Device (1) according to one of the preceding claims, characterized in that the turning unit (4) has at least one extendable arm (24) for pressing against a Bandcoilinnenseite (8), in particular at least one extendable and rotatable arm (24). Device (1) according to Claim 9 , characterized in that the at least one arm (24) at its free end a shield (18) which is adapted to press against a Bandcoilinnenseite (8, 30) and under rotation at a Bandcoilinnenseite (8, 30) under Sliding friction along. Device (1) according to one of Claims 8 to 10 characterized in that a first rotationally axial end of the scissor mechanism (19) is articulated in a stationary manner and a second, movable rotationally axial end of the scissors mechanism (19) is articulated on the linear actuator (20) and two ends (25, 25) remote from the rotational axis (A) 26) of the scissors mechanism (19) are hinged to the plate (18), wherein one of the shield-side ends (25) is pivotally mounted in Rotationsachsrichtung on the plate (18). Device (1) according to one of the preceding claims, characterized in that the turning unit (4) has a plurality of extendable, preferably also rotatable, arms (24) which are arranged in the circumferential direction about the axis of rotation (A) of the turning unit (4) , in particular in mutually equal distances in the circumferential direction. Device (1) according to one of Claims 2 to 12 , characterized in that the limiting structure (16) of the device (1) is reversibly detachable. Device (1) according to one of Claims 2 to 13 , characterized in that the delimiting structure (16) is formed as part of a detachable coil transport means, in particular as a side wall (16) of a detachable coil transport container (7). Device (1) according to Claim 14 characterized in that the turning unit (4) protrudes through a through hole (12) of the detachable coil transporting means, in particular, the coil transporting container (7) has a bottom (13) and a side wall (16), and the unwinding unit (4) through a through hole (12) in the bottom (13) of the coil transport container (7) projects into the coil transport container (7). Device (1) according to one of Claims 14 to 15 , characterized in that the coil transport container (7) is open at the top. Device (1) according to one of Claims 14 to 16 , characterized in that the coil transport container (7) is laterally openable and closable. Device (1) according to one of Claims 14 to 17 , Characterized in that the bottom (13) of the Coiltransportbehälters (7) has a removable transport pallet (15) is provided with a through hole (14), and the through hole (14) of the transport pallet (15) and the through hole (12) of Coiltransportbehälters ( 7) in alignment with the axis of rotation (A) of the turning unit (4) and are dimensioned so that the coil transport container (7) including transport pallet (15) in Rotationsachsrichtung (A) from the rest of the device (1) is removable.

Images