EP3585529B1 - Device and method for transporting a coil - Google Patents

Description

The invention relates to a transport device for transporting a coil, the use of such a transport device, a coil processing system with such a transport device, and a method for transporting a coil.

In the metal industry it is common to coil a rolled product, such as metal strip or metal wire, as a coil, i. H. in coiled form to be transported. Such a bundle of a wound rolled product is also called a coil in technical circles.

For the transport of a coil, for example, a coil transport vehicle can be used, which is equipped with a coil support on which the coil can be placed.

A coil, in which the wound rolled product has a high strength and/or a high thickness, can tend to jump out of a coil support of a coil transport car or fall off the coil support, since the coil acts like a (spiral) spring due to its material rigidity. If a coil jumps open, there is a risk that people in the vicinity of the coil will be injured and/or system components will be damaged.

In order to prevent a coil from springing open, in particular during transport, the coil can be closed with one or more straps after the rolled product has been wound up.

It is also known to take a sample from a coil in a sampling station in order to monitor its quality. For the purpose of sampling, the coil is usually partially unwound in the sampling station. Any straps that may be present must be removed beforehand. After sampling, the remaining coil is completely wound up and typically (re)closed with one or more straps.

If any straps that are present are removed in a separate strap-removal station upstream of the sampling station, there is a risk that a coil that tends to jump open will jump open during its transport from the strap-removal station to the sampling station. Likewise, a coil that tends to jump open, if it is strapped (again) in a strapping station downstream of the sampling station, may jump open during its transport from the sampling station to the strapping station.

In addition, with a coil that has a small width and a large diameter and is transported lying on a coil transport trolley in such a way that its coil axis is aligned horizontally during transport, there is a high risk that the coil will fall off during transport, especially when starting up and/or Braking the coil transport car, overturns. The transport of such narrow coils with large diameters thus also harbors the risk that persons in the vicinity of the coils will be injured and/or system components will be damaged.

From the DE 10 2011 080 410 A1 a transport device for transporting a coil with a coil transport carriage and a height-adjustable coil support according to the preamble of claim 1 is known. A movable fixing device provides a height-adjustable clamping unit for pressing the coil to be transported against the coil support, the clamping unit being insertable at least partially into a coil eye of the coil.

One object of the invention is to enable a coil to be transported safely.

This object is achieved according to the invention by a transport device according to claim 1, by a coil processing system according to claim 6, by a use according to claim 8 and by a method according to claim 10.

Advantageous developments of the transport device according to the invention, the coil processing system according to the invention, the use according to the invention and the method according to the invention are each the subject of the dependent patent claims and the following description.

The transport device according to the invention for transporting a coil has a coil transport carriage. The coil transport vehicle includes a chassis and a coil support, which is height-adjustable relative to the chassis. In addition, the transport device according to the invention has a movable fixing device with a clamping unit for pressing the coil to be transported against the coil support, the clamping unit being height-adjustable relative to the coil support and being at least partially insertable into a coil eye of the coil.

With the help of the coil transport car, a coil to be transported can be moved from one place to another, lying on the coil support of the coil transport car.

The moveable fixing device, in particular its clamping unit, can be used to fix the coil in relation to the coil support during transport, i. H. to hold the coil in its position with respect to the coil support.

Pressing the coil to be transported against the coil support using the clamping unit makes it possible to form a non-positive connection between the coil and the coil support.

By pressing the coil to be transported against the coil support, the coil can be reliably secured against tipping over and/or against jumping open. The transport device can thus be used in particular to transport coils that tend to jump up and/or tip over, the transport device not being restricted to the transport of such coils.

In addition, the transport device is not limited to transporting coils of a predetermined diameter, but can transport coils of different diameters.

Since a coil to be transported can be fixed with respect to the coil support using the clamping unit, it is also not necessary for the coil to be closed with one or more straps when it is being transported on the coil transport wagon - especially even if the coil tends to jump open .

With the help of the clamping unit it is also possible at a coil processing station to press the coil against a coil holder of the coil processing station. This enables the coil to be processed safely in/at the coil processing station, especially when the coil tends to spring open and is not strapped with a strap.

The coil transport car is preferably a rail-guided car. In other words, the coil transport carriage can be moved on rails in a preferred manner.

The coil transport carriage is advantageously equipped with wheels on which the coil transport carriage can be moved. It is also advantageous if the coil transport carriage has a drive unit, in particular an electric motor, for driving the wheels.

According to a preferred embodiment of the invention, the coil transport carriage is equipped with a drive unit for driving the coil support, in particular for raising and lowering the coil support. This drive unit can, for example, be a lifting cylinder, in particular a hydraulic lifting cylinder. Hydraulic jacks have the advantage that they are generally compact and robust.

Furthermore, it is advantageous if the fixing device has its own drive unit for driving the clamping unit, in particular for raising and lowering the clamping unit. This drive unit can be, for example, a lifting cylinder, in particular a hydraulic lifting cylinder.

In a preferred manner, the clamping unit can be moved linearly. The coil transport carriage can, for example, have a guide element, in particular a sliding guide, by means of which the clamping unit is mounted in a linearly displaceable manner relative to the coil support of the coil transport carriage. Such a guide element can be part of the coil support or the chassis, for example, or it can be attached to the coil support or the chassis.

Furthermore, it is fundamentally possible that the clamping unit can be moved in a pivoting manner. In particular, the clamping unit can have sections that can be pivoted relative to one another.

The fixing device, in particular its drive unit for driving the clamping unit, is attached to the coil support or to the chassis of the coil transport vehicle. This enables a compact configuration of the transport device, since a separate carriage for the fixing device and said synchronization device can be dispensed with in this case. The movability of the fixing device can therefore be ensured in particular by the movability of the coil transport carriage.

If the fixing device is attached to the chassis of the coil transport vehicle, the transport device preferably includes a synchronization device for synchronizing the movements of the clamping unit and the coil support. This synchronization device is advantageously set up to control the drive unit for driving the clamping unit and the drive unit for driving the coil support in such a way that the coil support and the clamping unit move synchronously, i. H. move with the same speed and the same direction of movement. The synchronization device can have one or more position sensors for monitoring the positions of the clamping unit and/or the coil support.

If the fixing device is attached to the coil support, the clamping unit is preferably moved by the same height as the coil support when the coil support is raised/lowered, unless the clamping unit is raised/lowered relative to the coil support by the drive unit of the fixing device. In principle, a synchronization device for synchronizing the movements of the clamping unit and the coil support can be dispensed with in this case.

In a preferred embodiment of the invention, the clamping unit has a clamping section and a base section connected to the clamping section. The clamping section can in particular be formed in one piece with the base section. Furthermore, the clamping section and the base section are preferably aligned perpendicularly to one another. Furthermore, the clamping section preferably extends in the longitudinal direction of the coil support.

The previously mentioned drive unit of the fixing device can be at least partially integrated into the clamping unit, in particular into the base section of the clamping unit.

The clamping unit can be lowered at least partially, in particular at least a part of its clamping section, into the coil support. The clamping unit can be sunk into the coil support in particular when it is not necessary to press the coil to be transported against the coil support, for example because the coil neither tends to jump up nor tip over. In such a case, there is no need to insert the clamping unit into a coil eye of the coil to be transported or to press the coil against the coil support, which can make the coil transport more time-efficient overall.

The coil support has a recess in which the clamping unit can be lowered at least partially. It is particularly preferred if the clamping unit can be lowered into the coil support in such a way that its upper side is flush with the upper side of the coil support.

In an advantageous embodiment of the invention it is provided that the clamping unit is equipped with a friction reduction unit. The friction reduction unit advantageously serves to reduce frictional resistance between the coil and the clamping unit, in particular when winding and/or unwinding the coil. The friction reduction unit can have, for example, one or more rollers as friction reduction means. Advantageously, the rollers are rotatably mounted.

Preferably, the friction reducing unit is arranged on the underside of the clamping portion of the clamping unit, in particular on that end of the clamping portion remote from the base portion of the clamping unit.

Furthermore, the clamping unit can have a rounded contact surface for pressing onto the coil eye. Due to the rounding of the contact surface of the clamping unit, its contact pressure (compared to a flat contact surface) can act on a larger area of the coil to be transported. As a result, the coil can be damaged by the clamping unit, e.g in the form of indentations, can be avoided or at least reduced.

The rounded contact surface is preferably located on the underside of the clamping section of the clamping unit, in particular on that end of the clamping section which is remote from the base section of the clamping unit.

Furthermore, the coil support can have several support prongs on which the coil can be placed. It is advantageous if the support prongs are bevelled towards the longitudinal center plane of the coil support. In this way, the support prongs can stabilize the coil to be transported on the coil support.

The longitudinal center plane of the coil support means a plane parallel to the longitudinal direction of the coil support, with respect to which the coil support is mirror-symmetrical. The wording that “the support prongs are beveled towards the longitudinal center plane of the coil support” can be understood to mean that the upper side of the respective support prong is oriented obliquely to the longitudinal center plane and faces the longitudinal center plane.

As mentioned at the outset, the invention relates to a coil processing plant.

The coil processing plant according to the invention comprises a first coil processing station and a second coil processing station. In addition, the coil processing system according to the invention comprises at least one transport device of the type described above, ie at least one transport device according to the invention, for transporting a coil from one of the two coil processing stations to the other of the two coil processing stations.

A coil processing plant is a plant for processing one or more coils. under one Processing of a coil in turn means carrying out one or more process/method steps with or on the coil. The processing of a coil can include, for example, weighing the coil, sampling the coil, packaging the coil, strapping the coil and/or removing a strap from the coil.

The coil processing system can in particular be a coil strapping system, ie a system for strapping a coil. Furthermore, the coil processing plant can, for example, be a coil packaging plant, i. H. a system for packaging a coil with a packaging material.

In a preferred embodiment of the invention, the coil processing system is a coil sampling system, ie a system for taking a sample from a coil (sampling of a coil). In this case, one of the two coil processing stations is expediently a sampling station. The sampling station is advantageously equipped with a cutting device, such as scissors or a plasma cutter, which can be used to cut a sample from the coil.

The sampling facility is not limited to sampling a coil. In addition to sampling a coil, the coil can be weighed in the sampling facility and/or sealed with one or more straps.

The other of the two previously mentioned coil processing stations of the coil processing system can be, for example, a delivery station, a collection station, a weighing station, a strap removal station or a strapping station.

If one of the coil processing stations is a strapping station, this can in particular be a peripheral strapping station for strapping an outer circumference of a coil or an eye strapping station for strapping a coil act through his coil eye. Furthermore, the strapping station can be a combined strapping station, which can be used both for strapping a coil through its coil eye and for strapping an outer circumference of the coil.

Furthermore, a coil passing through the coil sampling facility does not necessarily have to be sampled. For example, without being sampled, the coil may pass through the coil sampling facility to receive strapping through its coil eye and/or around its perimeter and/or to be weighed.

In addition to the two coil processing stations mentioned above, the coil processing installation can have one or more further coil processing stations.

The respective coil processing station of the coil processing system preferably has a coil holder on which the coil to be processed can be placed. In addition, the respective coil processing station can have one or more hold-down devices, such as a swivel arm with a hold-down roller. Such a hold-down device can be used to fix the coil to be processed on the coil holder of the respective coil processing station.

If the coil processing plant has several transport devices of the type described above, the transport devices can be used in different areas of the coil processing plant.

When used according to the invention, the transport device described above, ie the transport device according to the invention, is used for transporting a coil in a coil processing plant, in particular in the coil processing plant described above. The coil is transported from a first coil processing station using the transport device transported from the coil processing plant to a second coil processing station of the coil processing plant.

Alternatively or additionally, the transport device can be used to transport the coil from the second coil processing station to the first coil processing station of the coil processing system.

When transporting the coil, the coil advantageously rests on the coil support of the transport device. Provision can also be made for the clamping unit of the transport device to be inserted into a coil eye of the coil when the coil is being transported. In addition, the coil can be pressed against the coil support during transport using the clamping unit.

Alternatively, it is possible that the clamping unit is not inserted into the coil eye of the coil when the coil is being transported. During transport of the coil, the clamping unit can, for example, be at least partially sunk into the coil support, in particular into its recess.

As mentioned above, the invention also relates to a method for transporting a coil.

In the method according to the invention, the coil is transported with the aid of a transport device from a first coil processing station to a second coil processing station of a coil processing plant.

The transport device used in the method is the transport device described above, ie the transport device according to the invention. Furthermore, the device elements mentioned below in connection with the method can in particular be the previously mentioned device elements.

• ein Coiltransportwagen der Transportvorrichtung an das in/an der ersten Coilverarbeitungsstation befindliche Coil herangefahren wird und dabei, d. h. beim Heranfahren an das Coil, eine Klemmeinheit der Transportvorrichtung in ein Coilauge des Coils eingeführt wird,
• die in das Coilauge eingeführte Klemmeinheit abgesenkt wird, bis die Klemmeinheit gegen das Coil drückt,
• eine Coilauflage der Transportvorrichtung angehoben wird, bis das Coil auf der Coilauflage aufliegt,
• die Coilauflage und die Klemmeinheit, nachdem das Coil auf der Coilauflage aufliegt und die Klemmeinheit gegen das Coil drückt, synchron angehoben werden und
• das Coil auf der Coilauflage aufliegend mithilfe des Coiltransportwagens zu der zweiten Coilverarbeitungsstation transportiert wird und dabei, d. h. während des Transports, das Coil von der Klemmeinheit gegen die Coilauflage gedrückt wird.

The method according to the invention provides that

• a coil transport carriage of the transport device is driven up to the coil located in/at the first coil processing station and a clamping unit of the transport device is inserted into a coil eye of the coil, i.e. when driving up to the coil,
• the clamping unit inserted into the coil eye is lowered until the clamping unit presses against the coil,
• a coil support of the transport device is raised until the coil rests on the coil support,
• the coil support and the clamping unit, after the coil rests on the coil support and the clamping unit presses against the coil, are raised synchronously and
• the coil resting on the coil support is transported to the second coil processing station with the help of the coil transport carriage and, ie during transport, the coil is pressed against the coil support by the clamping unit.

The transported coil can be, for example, a hot-rolled coil, in particular a hot-rolled coil made of steel. Furthermore, the coil can optionally be strapped with at least one strap during its transport from the first coil processing station to the second coil processing station.

Before the coil transport carriage is moved up to the coil, the height position of the clamping unit is preferably adjusted in such a way that the clamping unit can be inserted into the coil eye when the coil transport carriage is displaced horizontally.

Raising the coil support enables the coil to be lifted off a coil receptacle in the first coil processing station, on which the coil initially rests.

Under a synchronous lifting of the coil pad and the clamping unit is a movement of the coil pad and the To understand clamping unit, in which these two elements are raised at the same speed.

Preferably, when the coil has reached the second coil processing station, the coil support and the clamping unit are synchronous—i.e. H. at the same speed - lowered until the coil rests on a coil holder of the second coil processing station. Then the coil support is preferably lowered. In an advantageous embodiment of the invention, the coil is pressed by the clamping unit against the coil holder of the second coil processing station when the coil support is lowered.

Furthermore, it can be provided that while the coil is located in/at the first coil processing station, a hold-down device of the first coil processing station pressing against the coil, in particular against its outer circumference, is removed from the coil when the clamping unit presses against the coil. When the hold-down device is removed, the coil can be prevented from jumping open by the clamping unit, so that people or system components can be avoided.

In one embodiment of the invention, when the coil has reached the second coil processing station, the clamping unit is only lifted off the coil when a hold-down device of the second coil processing station presses against the coil, in particular against its outer circumference.

After the coil has been placed on the coil holder of the second coil processing station, the coil transport carriage can be moved away from the coil. The clamping unit can then be at least partially sunk into a recess in the coil support. The coil transport trolley can then be driven up to the coil again with the clamping unit lowered.

Furthermore, the coil support can be raised until the coil rests on the coil support. Then the coil lying on the coil support can be transported away from the second coil processing station using the coil transport carriage, in particular back to the first coil processing station or to another coil processing station.

However, moving the coil transport carriage away from the coil and lowering the clamping unit into the coil support are not absolutely necessary in order to be able to transport the coil away from the second coil processing station.

Furthermore, it is fundamentally possible that the clamping unit can already be at least partially sunk into the coil support during the transport of the coil from the first to the second coil processing station.

The description given so far of advantageous configurations of the invention contains numerous features, some of which are summarized in the individual dependent patent claims. However, these features can also be considered individually and combined to form further meaningful combinations. In particular, these features can each be combined individually and in any suitable combination with the transport device according to the invention, the coil processing system according to the invention, the use according to the invention and the method according to the invention. Furthermore, method features can also be seen as a property of the corresponding device unit.

Although some terms in the specification and claims are used in the singular or in conjunction with a numeral, the scope of the invention should not be limited to the singular or the respective numeral.

The properties, features and advantages of the invention described above and the manner in which they are achieved become clearer and more clearly understood in connection with the following description of the exemplary embodiments of the invention, which are explained in more detail in connection with the drawings. The exemplary embodiments serve to explain the invention and do not limit the invention to the combinations of features specified therein, not even in relation to functional features. In addition, suitable features of each exemplary embodiment can also be explicitly considered in isolation, removed from one exemplary embodiment, introduced into another exemplary embodiment to supplement it and combined with any of the claims.

FIG 1

eine Seitenansicht einer ersten Ausführungsvariante einer Transportvorrichtung sowie eines auf der Transportvorrichtung aufliegenden Coils, in einem Zustand, bei dem eine Coilauflage der Transportvorrichtung abgesenkt ist;

FIG 2

eine Seitenansicht der Transportvorrichtung aus FIG 1 sowie eines auf der Transportvorrichtung aufliegenden Coils, in einem Zustand, bei dem die Coilauflage angehoben ist;

FIG 3

eine Frontalansicht der Transportvorrichtung aus FIG 1 und FIG 2;

FIG 4

eine Frontalansicht einer zweiten Ausführungsvariante einer Transportvorrichtung zum Transportieren eines Coils;

FIG 5

eine Seitenansicht der Transportvorrichtung aus FIG 4;

FIG 6

eine Seitenansicht einer dritten Ausführungsvariante einer Transportvorrichtung sowie eines auf der Transportvorrichtung aufliegenden Coils, in einem Zustand, bei dem eine Klemmeinheit der Transportvorrichtung in deren Coilauflage versenkt ist;

FIG 7

eine Draufsicht der Transportvorrichtung aus FIG 6 sowie eines auf der Transportvorrichtung aufliegenden Coils;

FIG 8

eine 3D-Ansicht einer möglichen Ausgestaltungsvariante einer Coilauflage sowie einer Klemmeinheit für eine Transportvorrichtung zum Transportieren eines Coils;

FIG 9

eine 3D-Ansicht einer möglichen Ausgestaltungsvariante eines Fahrgestells für eine Transportvorrichtung zum Transportieren eines Coils;

FIG 10

eine Draufsicht einer Coilverarbeitungsanlage;

FIG 11

eine Seitenansicht einer Bandentfernungsstation der Coilverarbeitungsanlage aus FIG 10;

FIG 12

eine Seitenansicht einer Beprobungsstation der Coilverarbeitungsanlage aus FIG 10;

FIG 13

eine Seitenansicht einer Umfangsumreifungsstation der Coilverarbeitungsanlage aus FIG 10;

FIG 14

eine Draufsicht einer anderen Coilverarbeitungsanlage.

Show it:

FIG 1

a side view of a first embodiment variant of a transport device and a coil resting on the transport device, in a state in which a coil support of the transport device is lowered;

FIG 2

a side view of the transport device FIG 1 and a coil resting on the transport device in a state where the coil rest is raised;

3

a front view of the transport device FIG 1 and FIG 2 ;

FIG 4

a front view of a second embodiment of a transport device for transporting a coil;

5

a side view of the transport device FIG 4 ;

6

a side view of a third embodiment of a transport device and one on the Coils resting on the transport device, in a state in which a clamping unit of the transport device is sunk into the coil support;

FIG 7

a plan view of the transport device 6 and a coil resting on the transport device;

8

a 3D view of a possible embodiment variant of a coil support and a clamping unit for a transport device for transporting a coil;

9

a 3D view of a possible embodiment variant of a chassis for a transport device for transporting a coil;

10

a plan view of a coil processing plant;

11

a side view of a strip removal station of the coil processing plant 10 ;

12

shows a side view of a sampling station of the coil processing plant 10 ;

13

shows a side view of a peripheral strapping station of the coil processing system 10 ;

14

a top view of another coil processing plant.

FIG 1 shows a side view of a first embodiment of a transport device 2 for transporting a coil. A coil 4 to be transported using the transport device 2 is in FIG 1 also shown.

The transport device 2 includes a coil transport carriage 6 with a chassis 8 and a coil support 10. In addition, the transport device 2 includes a fixing device 12.

The coil transport carriage 6 comprises four rotatably mounted wheels 14 which are mounted on the chassis 8 of the coil transport carriage 6 . The coil transport carriage 6 can be moved on a rail track by means of these wheels 14 .

The aforementioned coil support 10 is provided with a plurality of support prongs 16 . How out FIG 1 As can be seen, the coil 4 to be transported lies on the coil support 10, more precisely on its support prongs 16, with the coil 4 lying on the coil support 10 in such a way that its coil axis 18 is aligned parallel to the longitudinal direction 20 of the coil support 10.

Said fixing device 12 comprises a clamping unit for pressing the coil 4 to be transported against the coil support 10. The clamping unit 22 has a clamping section 24 which is aligned parallel to the longitudinal direction 20 of the coil support 10. In addition, the clamping unit 22 comprises a base section 26 connected to the clamping section 24 and a sliding section 28 connected to the clamping section 24. Both the base section 26 and the sliding section 28 are aligned perpendicularly to the clamping section 24 of the clamping unit 22.

The height of the coil support 10 can be adjusted relative to the chassis 8 . In other words, the height position of the coil support 10 can be adjusted relative to the chassis 8.

Furthermore, the coil transport carriage 6 has a drive unit 30 for raising and lowering the coil support 10. In the present exemplary embodiment, this drive unit 30 is designed as a hydraulic lifting cylinder which has a lifting rod 32 (cf. FIG 2 ). In order to raise the coil support 10 relative to the chassis 8, the lifting rod 32 of the said drive unit 30 extended. Conversely, in order to lower the coil support 10 relative to the chassis 8, the lifting rod 32 of the drive unit 30 is retracted.

Furthermore, the clamping unit 22 can be adjusted in height relative to the coil support 10 . That is, the height position of the clamping unit 22 can be adjusted relative to the coil support 10.

The fixing device 12 includes a drive unit 34 for raising and lowering the clamping unit 22. This drive unit 34 is also designed as a hydraulic lifting cylinder with a lifting rod 36. Furthermore, the drive unit 34 of the fixing device 12, more precisely, its lifting rod 36, is integrated into the base section 26 of the clamping unit 22. In order to raise the clamping unit 22 relative to the coil support 10, the lifting rod 36 of the drive unit 34 of the fixing device 12 is extended. Conversely, in order to lower the clamping unit 22 relative to the coil support 10, the lifting rod 36 of this drive unit 34 is retracted.

In the present exemplary embodiment, the fixing device 12, more precisely its drive unit 34, is attached to the coil support 10. In addition, the coil support 10 has a sliding guide 38 through which the previously mentioned sliding section 28 of the clamping unit 22 is guided and by means of which the clamping unit 22 is mounted in a linearly displaceable manner.

Furthermore, the coil support 10 has a recess 40 in which the clamping section 24 of the clamping unit 22 can be lowered if it is not necessary to press the coil 4 against the coil support 10 .

In FIG 1 the coil support 10 is in its lowest position relative to the chassis 8. In this state, the lifting rod 32 of the drive unit 30 of the coil transport carriage 6 is retracted as far as possible. In addition, the clamping section 24 of the clamping unit 22 is integrated into a coil eye 42 of the introduced into the coils 4 to be transported and presses the coil 4 against the coil support 10.

FIG 2 shows a further side view of the transport device 2 FIG 1 .

In this figure, too, a coil 4 to be transported rests on the coil support 10 of the transport device 2 . In addition, the clamping unit 22 is inserted into a coil eye 42 of the coil 4 to be transported and presses it against the coil support 10 of the transport device 2.

Compared to the in FIG 1 The state of the transport device 2 shown is the coil support 10 in FIG 2 raised. The coil support 10 is therefore in a higher position relative to the chassis 8 than in FIG 1 . Accordingly, the previously mentioned drive unit 30 of the coil transport carriage 6, more precisely its lifting rod 32, is extended further than in FIG 1 .

3 shows a front view of the transport device 2 FIG 1 and FIG 2 .

Out of 3 it can be seen that the clamping unit 22 has a rounded contact surface 44 with which the clamping unit 22 can be pressed against a coil eye of a coil to be transported. Said rounded contact surface 44 is located on the underside 46 of the clamping section 24 of the clamping unit 22.

Furthermore, it is off 3 It can be seen that the aforementioned support prongs 16 are beveled towards the longitudinal center plane 48 of the coil support 10 . In this way, the support prongs 16 stabilize the coil to be transported on the coil support 10 transversely to its longitudinal direction 20.

The descriptions of the following exemplary embodiments are each primarily limited to the differences therefrom previous embodiment to which reference is made with respect to features and functions that remain the same. Elements that are essentially the same and/or correspond to one another are denoted by the same reference symbols, where appropriate, and features that are not mentioned have been adopted in the following exemplary embodiments without being described again.

FIG 4 shows a front view of a second embodiment variant of a transport device 50 for transporting a coil.

The clamp unit 22 of this transport device 50 is equipped with a friction reduction unit 52 . The friction reduction unit 52 serves to reduce frictional resistance between a coil to be transported and the clamping unit 22 when the coil is to be rotated while lying on the coil support 10 and the clamping unit 22 presses against the coil. A coil resting on the coil support 10 can rotate, for example, when the coil is being wound up and/or unwound, in particular when the coil is being tested.

In the present embodiment, the friction reducing unit 52 includes a plurality of rotatably mounted rollers 54 as friction reducing means. These rollers 54 are arranged on the underside 46 of the clamping section 24 of the clamping unit 22 .

5 12 shows a side view of the transport device 50 from FIG FIG 4 .

Out of 5 It can be seen that the rollers 54 of the friction reduction unit 52 are located at the end of the clamping section 24 remote from the base section 26 of the clamping unit 22 .

6 shows a side view of a third embodiment variant of a transport device 56 for transporting a coil.

In this transport device 56, the fixing device 12, in particular its drive unit 34, is not mounted on the coil support 10 but on the chassis 8 of the coil transport carriage 6. In addition, the coil support 10 has no sliding guide for the clamping unit 22 . Instead, the chassis 8 has a sliding guide 58 for the clamping unit 22.

The base section 26 of the clamping unit 22 is guided by the sliding guide 58 of the chassis 8 and is mounted in a linearly displaceable manner with the aid of this sliding guide 58 . At the transport device 56 off 6 The base section 26, in which the drive unit 34 of the fixing device 12 is integrated, thus fulfills the function of the sliding section 28 of the clamping unit 22 of previous exemplary embodiments at the same time. A separate sliding section is therefore not provided for the clamping unit 22 in the present exemplary embodiment.

In addition, the transport device 56 has 6 a (figuratively not shown) synchronization device for synchronizing the movements of the clamping unit 22 and the coil support 10 on.

in the in 6 In the illustrated state of the transport device 56, the clamping unit 22 is not inserted into a coil eye 42 of a coil 4 to be transported. Rather, the clamping unit 22, more precisely its clamping section 24, is sunk in the recess 40 of the coil support 10, in particular in such a way that the upper side 60 of the clamping section 24 is flush with the upper side 62 of the coil support 10. In this case, the coil 4 to be transported rests on the coil support 10 and on the upper side 60 of the clamping section 24 .

In addition, the width 64 of the coil 4 to be transported in the present exemplary embodiment extends essentially over the entire length of the coil support 10.

FIG 7 12 shows a plan view of the transport device 56 from FIG 6 as well as the coil 4 resting on its coil support 10.

8 shows a 3D view of a possible embodiment variant of a coil support 10 and a clamping unit 22 for a transport device for transporting a coil.

The coil support 10 has a sliding section 66 which can be inserted into a sliding guide of a chassis.

In addition, the coil support 10 has a sliding guide 38 . The clamping unit 22, more precisely its base section 26, is guided by this sliding guide 38 and is mounted in a linearly displaceable manner by means of the sliding guide 38.

With the clamping unit 22 off 8 fulfills its base portion 26, at the same time the function of the sliding portion 28 of the clamping unit 22 of previous embodiments. A separate sliding section is therefore not provided for the clamping unit 22 in the present exemplary embodiment.

Furthermore, in 8 a recess 40 of the coil support 10 is visible, in which the clamping unit 22, more precisely its clamping section 24, can be lowered.

9 shows a 3D view of a possible embodiment variant of a chassis 8 for a transport device for transporting a coil.

The chassis 8 includes a sliding guide 68 for guiding a coil support. This sliding guide 68 is designed in particular to a sliding section of a coil support, such as for Example, the sliding section 66 of the coil support 10 8 , record.

Furthermore, four rotatably mounted wheels 14 are mounted on the chassis 8, by means of which the chassis 8 can be moved on a railway. In 9 however, only three of these four wheels 14 are (at least partially) visible.

10 shows a plan view of a coil processing system 70, which is a coil testing system in the present exemplary embodiment.

This coil processing plant 70 includes eight coil processing stations 72-86. In principle, configurations of the coil processing system 70 are also possible in which the coil processing system 70 has a different number of coil processing stations.

In the present exemplary embodiment, the coil processing stations 72-86 are a first delivery station 72, a second delivery station 74, a strap removal station 76, a sampling station 78, a peripheral strapping station 80, a weighing station 82, an eye strapping station 84 and a pick-up station 86. The individual coil processing stations 72 -86 do not necessarily have to be in the in 10 be arranged in the order shown.

Furthermore, the coil processing plant 70 includes a (in 10 (not visible) transport device 88, which is mounted on a rail track 90 (cf. 12 ) of the coil processing system 70 can be moved and corresponds to one of the previously described transport devices 2, 50, 56 in terms of its configuration.

In 10 For example, each of the coil processing stations 72-86 is occupied by a coil 4. In principle it is possible that only some of the coil processing stations 72-86 are occupied with a coil 4 at the same time.

In the following, an example of how this coil 4 is processed in the coil processing plant 70 is described for a single coil 4 . It is assumed that this coil 4 is closed with a peripheral strapping, ie with a binding tape extending around the outer circumference of the coil 4 .

The coil 4 is transported to the coil processing system 70 with the aid of a transport system (not shown in the figure), such as a crane, and deposited at the first or second delivery station 72 , 74 .

The coil 4 is transported from the first or second discharge station 72, 74 to the strip removal station 76 in the manner described below by means of the previously mentioned transport device 88 of the coil processing system 70.

First, the vertical position of the clamping unit 22 of the transport device 88 is adjusted in such a way that the clamping unit 22 can be inserted into a coil eye 42 of the coil 4 when the coil transport carriage 6 is displaced horizontally.

The coil transport carriage 6 of the transport device 88 is moved up to the coil 4 located in the first or second discharge station 72, 74 and the clamping unit 22 of the transport device 88 is inserted into the coil eye 42 of the coil 4.

The clamping unit 22 introduced into the coil eye 42 is lowered until the clamping unit 22 presses against the coil 4 . Then the coil support 10 of the transport device 88 is raised until the coil 4 rests on the coil support 10 . The height position of the clamping unit 22 is not changed here. Then the coil support 10 and the clamping unit 22 are raised synchronously.

The coil 4 lying on the coil support 10 is then transported to the strip removal station 76 with the aid of the coil transport carriage 6 , the coil 4 being pressed against the coil support 10 by the clamping unit 22 during transport.

When the coil 4 has reached the strip-removal station 76, the coil support 10 and the clamping unit 22 are lowered synchronously until the coil 4 rests on a coil receptacle 92 of the strip-removal station 76 (cf. 11 ). The coil support 10 is then lowered, the coil 4 being pressed by the clamping unit 22 against the coil receptacle 92 of the strip removal station 76 as the coil support 10 is lowered.

In the strap removal station 76 the peripheral strapping of the coil 4 is removed.

The coil 4 is then transported from the strip removal station 76 to the sampling station 78 by means of the transport device 88 . A sample is taken from the coil 4 in the sampling station 78 .

The coil 4 is then transported from the sampling station 78 to the peripheral strapping station 80 by means of the transport device 88 . There the coil 4 receives a circumferential strapping.

Thereafter, the coil 4 is transported from the circumferential strapping station 80 to the weighing station 82 where the coil 4 is weighed.

After weighing, the coil 4 is transported by the transport device 88 from the weighing station 82 to the eye strapping station 84 where the coil 4 is strapped by its coil eye 42 .

The coil 4 is then transported from the eye strapping station 84 to the pick-up station 86 by means of the transport device 88 . There the coil 4 is transported away from the coil processing plant 70 with the aid of a transport system (not shown in the figure), such as a crane.

The coil 4 is transported from one of the coil processing stations 72-86 to the respective next coil processing station 72-86 in the same manner as described above for the transport from the first or second delivery station 72, 74 to the strip removal station 76.

11 14 is a side view of the strip removal station 76 of the coil processing facility 70. FIG 10 .

The strap removal station 76 includes a strap removal device 94 for removing a strap from the coil 4. In the present example, the strap removal station 76 also has a hold-down device 96, which includes a swivel arm 98 with a hold-down roller 100 attached to the swivel arm 98.

In 11 the coil 4 to be processed is placed on the previously mentioned coil holder 92 of the strip removal station 76. In addition, the coil support 10 of the transport device 88 is lowered, so that the coil support 10 is at a distance from the coil 4 .

Furthermore, in 11 the coil 4 is pressed against the coil holder 92 by the clamping unit 22, which is inserted into the coil eye 42 of the coil 4. This enables the circumferential strapping of the coil 4 to be removed safely, since the clamping unit 22 prevents the coil 4 from springing open when the circumferential strapping is removed. The previously mentioned hold-down device 96 of the strap removal station 76 can therefore in principle be dispensed with if the transport device 88 is used during the removal of the peripheral strapping is not used to transport another coil 4.

12 shows a side view of the sampling station 78 of the coil processing plant 70 10 .

The sampling station 78 includes a first hold-down device 102 and a second hold-down device 104 , each of which has a swivel arm 98 and a hold-down roller 100 fastened to the swivel arm 98 . In addition, the sampling station 78 has a third hold-down device 106 which is equipped with a hold-down roller 100 that can be displaced linearly.

Furthermore, the sampling station 78 includes a movable separating device 108 for separating a sample from a coil 4. In the present exemplary embodiment, the separating device 108 is designed as a plasma cutter.

Furthermore, in 12 the previously mentioned rail track 90, on which the transport device 88 can be moved, is visible.

In 12 the coil 4 is placed on a coil holder 110 of the sampling station 78, which has two floor rollers 112. The coil 4 can be rotated on the bottom rollers 112 of the coil holder 110 for unwinding and rewinding the coil 4 for its testing.

The coil support 10 of the transport device 88 is in 12 lowered so that the coil support 10 is spaced from the coil 4. Furthermore, the coil 4 is pressed against the floor rollers 112 by the first hold-down device 102 . Alternatively or additionally, the coil 4 can be pressed against the floor rollers 112 by at least one of the other two hold-down devices 104 , 106 .

Furthermore, the clamping unit 22 of the transport device 88 in 12 sunk in the coil support 10. Alternatively or in addition to the hold-down devices 102, 104, 106, the clamping unit 22 can be used to press the coil 4 against the floor rollers 112.

13 14 shows a side view of the circumferential strapping station 80 of the coil processing system 70. FIG 10 .

The peripheral strapping station 80 includes a strapping device 114 for strapping a coil 4 on its outer circumference. In addition, the peripheral strapping station 80 has a coil holder 116 .

In 13 the coil 4 is placed on the coil holder 116 of the peripheral strapping station 80 . Furthermore, the coil 4 is pressed against the coil holder 116 by the clamping unit 22 of the transport device 88 which is inserted into the coil eye 42 of the coil 4 . The coil support 10 of the transport device 88 is lowered so that it is spaced apart from the coil 4 .

If a coil to be transported does not have to be pressed against the coil support 10 of the transport device 88, the clamping unit 22 can be sunk into the coil support 10 (or remain sunk) and the coil resting on the coil support 10 in the retracted state of the clamping unit 22 from one of the coil processing stations 72-86 to one of the other coil processing stations 72-86.

If a coil is deposited at the first or second delivery station 72, 74 that is not to be sampled in the coil processing system 70, but merely strapped and, if necessary, weighed, the coil can be removed from the first or second delivery station 72, 74 by means of the transport device 88 directly transported to the perimeter strapping station 80 or the eye strapping station 84.

It is also possible for a coil that is not sealed with one or more straps to be introduced into the coil processing system 70 in order to be sampled. In this case, the coil can be transported from the first or second delivery station 72, 74 by means of the transport device 88 directly to the sampling station 78, ie without an intermediate stop at the strip removal station 76.

It is also possible for the coil processing system 70 to have several transport devices of the type described above. These can be used in different areas of the coil processing plant 70 . For example, the aforementioned transport device 88 can be used to transport a coil from the first delivery station 72 to the sampling station 78, while an additional transport device can be used to transport the same coil from the sampling station 78 to the collection station 86.

14 shows a top view of another coil processing plant 118, which is also a coil sampling plant.

This coil processing system 118 comprises four coil processing stations 72, 76, 78, 80. In the present exemplary embodiment, the coil processing stations 72, 76, 78, 80 are a delivery station 72, a strip removal station 76, a peripheral strapping station 80 and a sampling station 78. The individual coil processing stations 72 , 76, 78, 80 do not necessarily have to be in the in 14 be arranged in the order shown. For example, the strap removal station 76 and the hoop strapping station 80 can be interchanged.

Furthermore, the coil processing plant 118 includes a (in 14 not visible) transport device, the terms their configuration corresponds to one of the transport devices 2, 50, 56 described above.

A coil 4 to be processed in the coil processing system 118 is transported to the delivery station 72 and deposited there with the aid of a transport system (not shown in the figure), such as a crane.

By means of the transport device of the coil processing system 118, the coil 4 according to the above in connection with 10 described manner transported from the delivery station 72 in the direction of the sampling station 78, wherein optionally on the way to the sampling station 78 a strap closing the coil 4 is removed in the tape removal station 76.

After being sampled in the sampling station 78, the coil 4 is transported in the opposite direction from the sampling station 78 to the strapping station 80 by means of the transport device of the coil processing system 118, where the coil 4 is strapped.

The coil 4 is transported from the strapping station 80 to the delivery station 72 by means of the transport device of the coil processing system 118 . There the coil 4 is transported away from the coil processing plant 118 with the aid of the previously mentioned transport system. The delivery station 72 thus also serves as a collection station for the coil processing system 118.

In principle, the sampling station 78 can be equipped with its own tape removal device. In such a case, the strip removal station 76 of the coil processing system 118 could in principle be dispensed with.

Although the invention has been illustrated and described in detail by the preferred embodiments, the invention is not limited by the disclosed examples and other variations may be derived therefrom without departing from the scope of the invention.

Reference List

2

transport device

4

coil

6

coil transport car

8th

chassis

10

coil support

12

fixation device

14

wheel

16

support tines

18

coil axle

20

longitudinal direction

22

clamping unit

24

clamping section

26

base section

28

sliding section

30

drive unit

32

lifting rod

34

drive unit

36

lifting rod

38

sliding guide

40

recess

42

coil eye

44

contact surface

46

bottom

48

longitudinal median plane

50

transport device

52

friction reduction unit

54

role

56

transport device

58

sliding guide

60

top

62

top

64

Broad

66

sliding section

68

sliding guide

70

coil processing plant

72

delivery station

74

delivery station

76

tape removal station

78

sampling station

80

Circumferential strapping station

82

Weighing station

84

eye strapping station

86

pick-up station

88

transport device

90

railway

92

coil holder

94

tape removal device

96

hold-down device

98

swivel arm

100

hold down roller

102

hold-down device

104

hold-down device

106

hold-down device

108

separator

110

coil holder

112

floor roller

114

strapping device

116

coil holder

118

coil processing plant

Claims (13)

1. Transport device (2, 50, 56, 88) for transporting a coil (4), comprising

   - a coil transport cart (6) having a chassis (8) and having a coil support (10), which is height-adjustable relative to the chassis (8),

   - a movable fastening device (12) having a clamping unit (22) for pressing the coil (4) to be transported against the coil support (10), wherein the clamping unit (22) is height-adjustable relative to the coil support (10) and is able to be at least partly inserted into a coil eye (42) of the coil (4)

   characterized in that

   - the fastening device (12) is fastened to the coil support (10) or to the chassis (8) of the coil transport cart (6) and

   - the coil support (10) has a cut-out (40), into which the clamping unit (22) can be at least partly lowered.
2. Transport device (2, 50, 56, 88) according to one of the preceding claims,
   characterized in that the clamping unit (22) is outfitted with a friction reducing unit (52) to reduce a frictional resistance between the coil (4) and the clamping unit (22) when winding and/or unwinding the coil (4).
3. Transport device (2, 50, 56, 88) according to Claim 2, characterized in that the friction reducing unit (52) comprises one or more rollers (54) as friction reducing means.
4. Transport device (2, 50, 56, 88) according to one of the preceding claims,
   characterized in that the clamping unit (22) has a rounded pressing surface (44) for pressing against the coil eye (42).
5. Transport device (2, 50, 56, 88) according to one of the preceding claims,
   characterized in that the coil support (10) comprises multiple bearing tines (16), on which the coil (4) can be placed, wherein the bearing tines (16) are beveled toward the longitudinal center plane (48) of the coil support (10).
6. Coil processing system (70, 118) with a first coil processing station (72-86), a second coil processing station (72-86) and at least one transport device (2, 50, 56, 88) according to one of the preceding claims for transporting a coil (4) from one of the two coil processing stations (72-86) to the other of the two coil processing stations (72-86).
7. Coil processing system (70, 118) according to Claim 6, characterized in that the coil processing system (70, 118) is a coil sampling system, wherein one of the two coil processing stations (72-86) is a sampling station (78) outfitted with a severing device (108) and the other of the two coil processing stations (72-86) is a delivery station (72, 74), a pick-up point (86), a weighing station (82), a band removal station (76) or a strapping station (80, 84).
8. Use of a transport device (2, 50, 56, 88) according to one of Claims 1 to 5 for transporting a coil (4) in a coil processing system (70, 118), especially in a coil sampling system, wherein the coil (4) is transported from a first coil processing station (72-86) of the coil processing system (70, 118) to a second coil processing station (72-86) of the coil processing system (70, 118) by means of the transport device (2, 50, 56, 88).
9. Use according to Claim 8,
   characterized in that during the transport of the coil (4)

   - the coil (4) lies on the coil support (10) of the transport device (2, 50, 56, 88),

   - the clamping unit (22) of the transport device (2, 50, 56, 88) is introduced into a coil eye (42) of the coil (4) and

   - the coil (4) is pressed with the aid of the clamping unit (22) against the coil support (10).
10. Method for transporting a coil (4), in which the coil (4) is transported with the aid of a transport device (2, 50, 56, 88) according to one of Claims 1 to 5 from a first coil processing station (72-86) to a second coil processing station (72-86) of a coil processing system (70, 118), wherein

    - a coil transport cart (6) of the transport device (2, 50, 56, 88) is driven up to the coil (4) situated in/at the first coil processing station (72-86) and a clamping unit (22) of the transport device (2, 50, 56, 88) is introduced into a coil eye (42) of the coil (4),

    - the clamping unit (22) introduced into the coil eye (42) is lowered until the clamping unit (22) presses against the coil (4),

    - a coil support (10) of the transport device (2, 50, 56, 88) is raised until the coil (4) lies against the coil support (10),

    - the coil support (10) and the clamping unit (22), once the coil (4) is lying against the coil support (10) and the clamping unit (22) presses against the coil (4), are raised synchronously and

    - the coil (4) lying against the coil support (10) is transported by means of the coil transport cart (6) to the second coil processing station (72-86) and the coil (4) is pressed by the clamping unit (22) against the coil support (10).
11. Method according to Claim 10,
    characterized in that, when the coil (4) has reached the second coil processing station (72-86), the coil support (10) and the clamping unit (22) are lowered synchronously until the coil (4) lies against a coil receiver (92, 110, 116) of the second coil processing station (72-86), and then the coil support (10) is lowered, wherein the coil (4) during the lowering of the coil support (10) is pressed by the clamping unit (22) against the coil receiver (92, 110, 116) of the second coil processing station (72-86).
12. Method according to Claim 10 or 11,
    characterized in that, while the coil (4) is situated in/at the first coil processing station (72-86), a hold-down device (96, 102-106) of the first coil processing station (72-86) pressing against the coil (4) is removed from the coil (4) when the clamping unit (22) presses against the coil (4).
13. Method according to one of Claims 10 to 12,
    characterized in that, when the coil (4) has reached the second coil processing station (72-86), the clamping unit (22) is only lifted up from the coil (4) when a hold-down device (96, 102-106) of the second coil processing station (72-86) presses against the coil (4).

Images