Title of Invention

A DEVICE FOR TAKING UP FOR TRANSPORT AND UNWINDING COILS OF ROLLED STRIP

Abstract

ABSTRACT UA device for taking up for transport and unwinding coils of rolled strip" The present invention relates to a device for taking up for transport and unwinding coils of rolled strip (WB) successively transported on from a strip rolling mill or a rolled strip storage unit, the device comprising a carousel support (KT), which is rotationally drivable around a vertical axis (VA), with four radially projecting, rotatably mounted support mandrels (TD), which are angularly offset relative to one another by 90°, with axial locking elements (RV), which carousel support pivots each time from a receiving position (A) for the coils of rolled strip (WB) through a specific pivot angle to a take-off or unwinding position (C), characterized in that positions, which are angularly offset each time by 90°, with devices for further processing of the coils of rolled strip (WB), such as devices for removing the coil binding strap, labeling and binding the coil, are provided for the carousel support (KT) between the receiving position (A) and the unwinding position of the support mandrels (TD). Figure 1.

Full Text

The invention pertains to a device for taking up for transport and unwinding coils of rolled strip successively transported on from a strip rolling mill or a rolled strip storage unit, the device comprising a carousel support, which is rotationally drivable around a vertical axis, with four radially projecting, rotatably mounted support mandrels, which are angularly offset relative to one another by 90°, with axial locking elements, which carousel support pivots each time from a receiving position for the coils of rolled strip through a specific pivot angle to a take-off or unwinding position. Devices of this type, by means of which a rolled strip being delivered from a rolling mill is wcund into a coil on a rotating, motor-driven support mandrel, mounted on a carousel support, and by means of which the coil is then brought into a different_ position by the carousel support and unwound again in this position (EP-A-0 576 890 and FR-A-1 158 457) , are already known. According to another known proposal, four support mandrels are mounted 90° apart, in a crosswise manner, on each of a pair of carousel supports, which are set up a certain distance apart. A strip shear is installed between the two carousel supports. With this system, coils of rolled strip are pushed in succession onto the support mandrels of the one carousel support; the strips are unwound and sent to the strip shear; and the strips thus formed are sent to the support mandrel of the other carousel support and wound up on it (US-A-2,202,883). Another known proposal involves the installation of a carousel support in a strip rolling mill between two rows of rolling stands. This carousel carries two pairs of winding reels, which are spaced a certain distance apart and rotationally offset from each other. In this arrangement, the rolled strip being delivered from the one row of rolling stands of the strip rolling mill is wound up and possibly processed on the first pair of winding reels; the strip is then sent on to the second pair of winding reels for further processing and finally transferred from them to the other row of rolling stands (DE-C-972 603). According to yet another proposal, the support mandrels mounted on the carousel support are used to bring the coils of rolled strip, which have been delivered by a ground-level transport device or a walking beam and turned so that their center axis is horizontal, onto one of the support mandrels, to hold the coil axially in place on the mandrel, to pivot'the support mandrel together with the coil of rolled strip into the unwinding position, and finally to unwind the coil. In the meantime, the following coil can be pushed onto the first support mandrel, now in the receiving position, and locked in place on it (US-A-3,870,244). The invention is based on the task of improving this device in such a way that it can be used not only to receive, pivot, unwind, and remove the coils of rolled strip arriving from a strip rolling mill or from a coil storage unit but also, in association with these pivoting movements, to subject the delivered coil of rolled strip to additional processing steps and then to send it onward once again, such further processing consisting of, for example, a coil inspection, the attachment of coil binding straps, the removal of coil binding straps, the labeling of the coil, the weighing of the coil, etc., which have in the past been done on a separate preparation reel. This task is accomplished in that the carousel support has at least two positions between, and offset in each case by 90° from, the receiving position and the unwinding position, these new positions being provided with devices for removing the coil binding straps, for labeling the coil, for binding the coil, etc. In accordance with a further provision of the invention, a permanently installed rotary drive, which can be coupled for rotation in common with the support mandrel opposite it, can be provided in the area of the unwinding position. In addition, a strip shear can be provided near this unwinding position, in the path along which the strip being unwound passes. A straightening device can be installed downstream from the strip shear. This design of the device according to the invention takes up much less space and requires less work for preparing the foundations. The device also makes it possible to eliminate some of the previously required intermediate transfers of the coils and thus to eliminate the receiving and transport devices required for these intermediate transfers. The invention is explained in greater detail below on the basis of the exemplary embodiment illustrated in the accompanying drawing. As can be seen from Figure 1 of the drawing, four support mandrels TDI, TDII, TDIII, and TDIV are mounted on the carousel support KT, which can rotate around the vertical axis VA. The mandrels are offset 90° from each other. They are supported on the carousel support KT in a manner not shown so that they can rotate around their longitudinal axes. Each support mandrel TD has a locking device RV for holding axially in place the coil which has been pushed onto the mandrel. When the carousel support KT turns in the direction of the arrow S, the support mandrels are pivoted in a succession of 90° steps; thus a mandrel starting at position A will be moved in succession to each of the following positions B, C, and D. At position C, a coupling device KV, which can be slid axially or pivoted into position, is installed in a stationary drive housing AG, axially opposite the support mandrel which has arrived in this position/ in the present case, this is mandrel TDIII. The device operates as follows. A coil of rolled strip WB, indicated in broken line, which has been brought by a walking beam or other conveying device from a strip rolling mill or a rolled strip storage unit, is pushed onto the support mandrel I, which is in position A. The coil is locked axially in place by the locking device RV and subjected to a coil processing operation such as an inspection. Then the carousel support KT rotates around the vertical axis VA by 90° in the direction of the arrow S and brings the coil WB into position B. In this position, the coil WB can be subjected to another process or the binding strap can be removed. The next rotational step of the carousel support KT by 90° pivots the coil WB into position C. While the support mandrel I is in this position, the coupling device KV is pushed forward in the direction of the double arrow P and thus connected to the mandrel. This makes it possible for the coil BD, indicated in broken line, to be unwound from the coil and possibly for the initial portion of the strip BD to be cut off by the shear BS installed downstream from the coil. The coil WB remaining on the support mandrel I after the cutting operation is then brought into position D by the next 90° rotational step of the carousel support KT. After another process such as the attachment of the binding strap, labeling, etc., the coil is pulled off the support mandrel TDI and sent on for further processing. As these processing steps are being carried out, i.e., even while the coil WB is being subjected to the first additional process after arriving in position E, the next coil WB can be pushed onto the next unoccupied support mandrel TDII, which has arrived in position A. This next coil will then be brought by the following rotational step of the support mandrel TDII into position B. The next coil WB can then be pushed onto the free support mandrel TDIII, which has now arrived in position A, etc. The coils WB of the sequence can thus be subjected simultaneously to four different processes in one period of time. List of Reference Symbols KT carousel support VA vertical axis TDI support mandrel TDII support mandrel TDIII support mandrel TDIV support mandrel WB coil of rolled strip RV locking device KV coupling device AG drive housing BS strip shear A position B position C position D position S (arrow) P (double arrow) WE CLAIM 1. A device for taking up for transport and unwinding coils of rolled strip (WB) successively transported on from a strip rolling mill or a rolled strip storage unit, the device comprising a carousel support (KT), which is rotationally drivable around a vertical axis (VA), with four radially projecting, rotatably mounted support mandrels (TD), which are angularly offset relative to one another by 90°, with axial locking elements (RV), which carousel support pivots each time from a receiving position (A) for uhe coils of rolled strip (WB) through a specific pivot angle to a take-off or unwinding position (C), characterized in that positions, which are angularly offset each time by 90°, with devices for further processing of the coils of rolled strip (WB), such as devices for removing the coil binding strap, labeling and binding the coil, are provided for the carousel support (KT) between the receiving position (A) and the unwinding position of the support mandrels (TD). 2. The device as claimed in claim 1, wherein a rotational drive arranged in stationary location in the area of the unwinding position (C) and rotationally couplable with the respectively opposite support mandrel (TDI, TDII, TDIII, TDIV). 3. The device as claimed in claim 2, wherein a strip shear (BS) arranged in the region of the unwinding position (C) in the movement path of the unwound strip. 4. The device as claimed in claim 3, wherein a straightening device arranged downline of the strip shear (BS).

Documents:

104-chenp-2003 abstract duplicate.pdf

104-chenp-2003 abstract.jpg

104-chenp-2003 abstract.pdf

104-chenp-2003 claims duplicate.pdf

104-chenp-2003 claims.pdf

104-chenp-2003 correspondence-others.pdf

104-chenp-2003 correspondence-po.pdf

104-chenp-2003 description (complete) duplicate.pdf

104-chenp-2003 description (complete).pdf

104-chenp-2003 drawings duplicate.pdf

104-chenp-2003 drawings.pdf

104-chenp-2003 form-1.pdf

104-chenp-2003 form-18.pdf

104-chenp-2003 form-26.pdf

104-chenp-2003 form-3.pdf

104-chenp-2003 form-5.pdf

104-chenp-2003 others.pdf

104-chenp-2003 pct.pdf

104-chenp-2003 petition.pdf