JP2986782B1 - Multi-round reel drum - Google Patents

Abstract

An object of the present invention is to provide a multi-round reel drum whose outer diameter can be enlarged and reduced. SOLUTION: A drum shaft 8 is divided into three or more places in a circumferential direction, and each of circumferentially divided joints is elastically deformable in a radial direction, and has segments 1 and 2 each provided with a slope portion 1a on an inner diameter side. A hollow rod 7 and a center rod 6 penetrated so as to move in the axial direction of the drum shaft, means for moving the hollow rod and the center rod in the axial direction, and engagement with the inclined portion of each segment 1 And a spreader 3 connected to a hollow rod or a center rod by engaging the inner diameter side of the spreader 3 with the drum shaft so as to be movable in the axial direction, and the circumferentially divided joining of the segments 1 and 2. Inside the part, a sub-segment 4 having a gradient part provided on the inner diameter side and a gradient part engaging with the gradient part of each sub-segment are provided on the outer peripheral side, and the inner diameter side is connected to the drum shaft so as to move in the axial direction. Engage And a sub-spreader 5 connected to the center rod or the hollow rod.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a multi-round reel drum. More specifically, the present invention is applied to a rewinding device for unwinding a strip of steel, non-ferrous metal, paper, plastic, or the like from a coil and a winding device for winding the material around the coil.

[0002]

2. Description of the Related Art A conventional rewinding device is shown in FIGS.
Shown in When rewinding the steel strip 50a from the steel strip coil 50, as shown in FIG. 6, the reel drum outer diameter D is made smaller than the coil inner diameter d, and the steel strip coil 50 is inserted into the reel drum 60. Next, as shown in FIG.
The rod 66 sliding in the shaft hole of No. 8 and each spreader 63 mounted on the rod 66 are moved to the drive side by a rotary cylinder (not shown), and each spreader 63 is moved.
Gradient section 63a and the gradient section 61a of each segment 61
To move the respective segments 61 in the outer diameter direction, thereby expanding the outer diameter D of the reel drum and fixing the steel strip coil 50 to the reel drum 60.

[0003] Subsequently, the reel drum 60 is
The steel strip 50a is rotated by 0 to rewind the steel strip 50a from the steel strip coil 50, and is supplied to a cold rolling equipment (not shown), a continuous annealing equipment, a surface treatment equipment such as pickling plating, and the processed steel strip 50a is It is wound around a steel strip coil by a winding device (not shown). When rewinding the steel band coil 51 whose coil inner diameter d is larger than the maximum expansion dimension of the reel drum outer diameter D to the steel band 51a, a cylindrical rubber sleeve 81 is attached to the reel drum 60 as shown in FIG. A steel sleeve 82 which is fitted or divided into four parts in the circumferential direction as shown in FIG. 9 is fastened to the screw holes 61 b of each segment 61 shown in FIG. 7 to fix the strip steel coil 51 to the reel drum 60. .

[0004] When the steel strip coil of which the steel strips 50a, 51a have been wound by the wind-up device is rewound by another equipment, if the outer diameter of the reel drum of the unwinding equipment is large, this equipment is not used. The rubber sleeve 81 is inserted into a reel drum of a winding device (not shown), or the steel sleeve 82 is fastened to wind the steel strips 50a and 51a.

[0005]

The conventional maximum expansion dimension of the outer diameter of the reel drum is constant, and the rewinding or the inner diameter of the coil whose inner diameter is larger than the outer diameter of the reel drum is made larger than the outer diameter of the reel drum. In winding, a cylindrical rubber sleeve is fitted on the outer peripheral surface of the reel drum, or a steel sleeve divided in the circumferential direction is attached, and this coil is rewound and wound. Therefore, it takes a long time to attach or detach the rubber sleeve or the steel sleeve, and there is a problem that the downtime of the line is increased.

[0006]

The multi-round reel drum according to the present invention has the following structure to solve the above-mentioned problems.

The multi-round reel drum according to the first aspect of the present invention is divided into three or more circumferentially extending drum shafts which are driven and rotated, and are moved radially with respect to the drum shafts. A circumferentially divided joint portion is elastically deformable in the radial direction, and a hollow rod and a central rod penetrated so as to move axially within the axis of the drum shaft, and a segment provided with a gradient portion on the inner diameter side, respectively. Means for moving the hollow rod and the center rod in the axial direction, and a gradient portion which engages with the gradient portion of each of the segments is provided on the outer peripheral side, and the inner diameter side is movably axially movable on the drum shaft. And a sub-segment provided with a gradient part on the inner diameter side inside the circumferential division joint part of each of the segments, and a spreader respectively connected to the hollow rod or the center rod by engaging with the hollow rod or the center rod. And a gradient portion that engages with the gradient portion of each of the sub-segments is provided on the outer peripheral side, and the inner diameter side is engaged with the drum shaft so as to move in the axial direction, and is connected to the center rod or the hollow rod. And a sub-spreader.

[0008] Multi-circularity reel drum according to claim 2 of the present invention, the billing said segments in claim 1, arc-shaped outer peripheral surface in the multi-circularity elastically deforming the outer peripheral surface formed in the circumferential direction of the reel drum And the sub-segment presses the inner diameter surface of each outer segment toward the outer diameter side.

[0009]

[0010]

[0011] When unwinding a small strip coil coil inner diameter than the reel drum outer diameter [Operation of the invention of claim 1], after shrinking the reel drum outer diameter than the coil inner diameter, the strip coil It is inserted into the multi-round reel drum, the hollow rod or center rod and each spreader are moved in the axial direction, and the inclined portion and the inclined portion of each segment are slid in the axial direction to remove each segment. The outer diameter of the multi-round reel drum is expanded until the segment presses the inner circumferential surface of the band coil, and the outer surface of the drum is rounded until the segment presses the inner circumferential surface of the band coil. Fix to drum. Thereafter, the multi-round reel drum is rotated by driving rotation of the drum shaft to rewind the band coil.

When rewinding a strip coil having a coil inner diameter larger than the outer diameter of the reel drum, the hollow rod or center rod and each spreader are further moved in the same axial direction as described above, and the gradient portions of each spreader are moved. And the inclined portion of each segment are slid in the axial direction, and each segment is further moved in the outer diameter direction until these segments press the inner peripheral surface of the strip coil. Next, the center rod or hollow rod and the sub-spreader are further moved in the same axial direction as described above, and each sub-spreader and each sub-segment are slid in the axial direction so that each sub-spreader is slid. The segments are moved outward in the radial direction, and the inner peripheral side of the circumferentially divided joint of each segment is pressed and elastically deformed until the circumferentially divided joint presses the inner peripheral surface of the band coil. The belt coil is fixed to the multi-round reel drum by expanding the outer diameter of the multi-round reel drum to a perfect circle. Thereafter, the multi-round reel drum is rotated by driving rotation of the drum shaft to rewind the band coil.

[0013] When unwinding a small strip coil coil inner diameter than the reel drum outer diameter [Operation of the invention of claim 2], after shrinking than the coil inner diameter of the reel drum outside diameter, the strip coil The outer segments are inserted into the multi-round reel drum, and each outer segment is moved in the outer diameter direction via each segment, until the outer peripheral surface of each outer segment presses the inner peripheral surface of the strip coil. The outer diameter of the circular reel drum is expanded to make its outer peripheral surface a perfect circle, and the strip coil is fixed to the multi-round reel drum. Then, the multi-circle reel drum is rotated by the driving rotation of the drum shaft to rewind the band material coil.

When rewinding a band coil having a coil inner diameter larger than the reel drum outer diameter, each outer segment passes through each segment until the outer peripheral surface of the outer segment presses the inner peripheral surface of the band coil. The outer segments are further moved in the radial direction. Next, the sub-segments are further moved in the outer diameter direction until the entire outer peripheral surface of the outer segment presses the inner peripheral surface of the strip coil, and presses the inner diameter side of each outer segment, thereby elastically deforming in the outer radial direction. Thus, the outer peripheral surface of the multi-circle reel drum is made a perfect circle, and the outer diameter thereof is further expanded to fix the band material coil to the multi-circle reel drum. Then, the multi-circle reel drum is rotated by the driving rotation of the drum shaft to rewind the band material coil.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to embodiments shown in the drawings. 1 and 2 show a multi-round reel drum 20 according to an embodiment of the present invention.
This multi-round reel drum 20 is applied to a rewinding device or a winding device. As shown in the figure, a hollow rod 7 and a center rod 6 are coaxially and slidably disposed at the center of a drum shaft 8, and the end of the drum shaft 8 is connected to a driving device (not shown). It is designed to rotate.

The hollow rod 7 and the center rod 6 that slides in the hollow portion are connected at their ends to a known rotary double rod cylinder (not shown) provided at the driving end of the drum shaft 8. It can slide in any direction. On the outer peripheral surface of the drum shaft 8, four spreaders 3 are arranged at regular intervals in the circumferential direction, and the spreaders 3 have segments 1 mounted thereon.

The spreader 3 has its inner diameter side slidably fitted to the drum shaft 8 in the axial direction, has a slope 3a formed on the outer diameter side, and is fixed to the hollow rod 7 by a cotter (not shown). The segment 1 is fitted so that the inclined portion 1a formed on the inner diameter side is slid in the axial direction on the inclined portion 3a of the spreader 3 and only between the stopper rings 13 and 14 fixed to the drum shaft 8 in the radial direction. To move to.

An outer segment 2 is fastened to the center of the outer peripheral surface of each segment 1 in the circumferential direction. The outer segment 2 is formed in a comb-like shape so that its outer peripheral surface has an arc shape, and its adjacent divided joints 2a mesh with each other, and is formed so as to be elastically deformed in the radial direction.

Further, on the outer peripheral surface of the drum shaft 8, sub-spreaders 5 are arranged between the spreaders 3, and sub-segments 4 are mounted on the sub-spreaders 5. The sub-spreader 5 has a slope 5 on the outer diameter side.
a is formed, and the inner diameter side is fitted on the drum shaft 8 so as to slide in the axial direction, and is fixed to the center rod 6 by a cotter (not shown).

The sub-segment 4 is fitted so that the inclined portion 4a formed on the inner diameter side slides in the axial direction with the inclined portion 5a of the sub-spreader 5, and the inner side of the divided adjacent portion 2a of each outer segment 2. Thus, it moves only in the radial direction between the stopper rings 13 and 14 fixed to the drum shaft 8. Note that the segment 1 and the sub-segment 2 may be integrally formed and formed so as to be elastically deformed in the circumferential direction.

The multi-circle reel drum 20 according to the present embodiment having the above configuration is used as follows. First, when rewinding the band steel coil 50 having a coil inner diameter d smaller than the reel drum outer diameter D, the reel drum outer diameter D is reduced to be smaller than the coil inner diameter d, and the band steel coil 50 is Insert

Next, as shown in FIGS. 1 and 2, the hollow rod 7 and each spreader 3 are moved to the drive side by a rotary double rod cylinder, and each spreader 3 is moved.
The outer segment 2 presses the inner peripheral surface of the strip steel coil 50 by sliding each of the segment 1 and the outer segment 2 in the outer radial direction by sliding the inclined portion 3a of each of the segments 1 and the inclined portion 1a of each segment 1. Until the reel drum outer diameter D
To fix the steel strip coil 50 to the multi-round reel drum 20.

Subsequently, the multi-circle reel drum 20 is rotated by the driving rotation of the drum shaft 8 so that the steel strip coil 5 is rotated.
0, rewinding, cold rolling equipment (not shown), continuous annealing equipment,
It is supplied to a processing surface treatment equipment such as pickling plating to be processed, and is wound by a winding device (not shown) equipped with the multi-circular reel drum 20 or the conventional reel drum 60. On the other hand, when rewinding the steel strip coil 51 having a coil inner diameter d larger than the reel drum outer diameter D, the hollow rod 7 and each spreader 3 are further moved to the drive side as shown in FIG. Of the outer segment 2 by sliding the inclined portion 3a of the
Each segment 1 is further moved in the outer radial direction until the inner surface of the steel strip coil 51 is pressed.

Next, as shown in FIGS. 4 and 5, the center rod 6 and the sub-spreader 5 are moved to the drive side, and the slopes 5a of each sub-spreader 5 and the slopes 4a of each sub-segment 4 are moved. Slide each sub segment 4
Are respectively moved in the outer diameter direction, and press the divided joining portion 3a of the outer segment 2 until the entire outer peripheral surface of the outer segment 2 presses the inner peripheral surface of the steel strip coil 51 to make the multi-circle reel drum 20 a perfect circle. The reel drum outer diameter D is expanded to fix the steel strip coil 51 to the multi-round reel drum 20.

Subsequently, the multi-circle reel drum 20 is rotated by the driving rotation of the drum shaft 8 so that the steel strip coil 5 is rotated.
The reel 1 is supplied to a next-step equipment (not shown) for processing, and is wound by a winding device (not shown) equipped with the multi-round reel drum 20 or the conventional reel drum 60. If there is a coil return in the equipment of the next step, the multi-round reel drum 20 of the winding device of the present equipment is wound up by operating as described above, and the diameter of the reel drum of the rewinding apparatus of the next step is reduced to the suburban diameter. In addition, the inner diameter of the steel strip coil is set. In addition,
Even if the inner diameter d of the coil is intermediate between the steel strip coils 50 and 51, the outer peripheral surface of the multi-round reel drum 20 can be unwound with a substantially perfect circle.

[0026]

As described above in detail with reference to the embodiments, the multi-circle reel drum according to the present invention is divided into three or more places in the circumferential direction, and each of the adjacent divided joint portions has a diameter. A segment that can be elastically deformed in the direction, a segment moving unit that moves the segment in the radial direction, and an outer circumferential surface arc correcting unit that elastically deforms the circumferentially divided joint from the inner diameter side to the outer diameter direction. Even if the outer diameter of the multi-round reel drum is changed, the outer circumferential surface can be corrected by the outer circumferential surface arc correcting means to make the outer circumferential surface a perfect circle. The drum makes it possible to rewind a strip material coil having a different coil inner diameter, or to wind up a rare material coil having a different coil inner diameter. Therefore, since it is not necessary to attach or detach the rubber sleeve or the steel sleeve, it is possible to shorten the time required for inserting the band material coil in rewinding and the preparation time for winding, thereby reducing line downtime. Can be.

[Brief description of the drawings]

FIG. 1 is a plan view illustrating a multi-round reel drum according to an embodiment of the present invention.

FIG. 2 is a sectional view taken along line II-II in FIG.

FIG. 3 is an enlarged sectional view of the outer diameter of the multi-round reel drum of FIG. 2;

4 is a cross-sectional view of the multi-round reel drum of FIG. 3 in which the outer diameter is a perfect circle;

FIG. 5 is a sectional view taken along line VV in FIG. 4;

FIG. 6 is a side view schematically showing a conventional rewinding device.

FIG. 7 is a cross-sectional view showing a reel drum according to the related art.

FIG. 8 is a side view showing a state where the steel strip coil is being rewound by the rewinding device.

FIG. 9 is a side view showing a state in which the steel strip coil is being rewound by the rewinding device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 segment 2 outer segment 2a division joining part 1a, 3a, 4a, 5a slope part 3 spreader 4 sub-segment 5 sub-spreader 6 center rod 7 hollow rod 8 drum shaft 20 multi-round reel drum 50, 51 band steel coil D reel drum Outer diameter d Coil inner diameter

────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Hideyuki Nibu 1 Fujimachi, Hirohata-ku, Himeji City, Hyogo Prefecture Inside Nippon Steel Corporation Hirohata Works (56) References JP-A-8-57538 (JP, A) JP-A-54-173031 (JP, U) (58) Fields investigated (Int. Cl. ⁶ , DB name) B65H 18/00-18/28 B21C 47 / 30

Claims (2)

(57) [Claims] 1. A drum shaft that is driven and rotated, and is divided into three or more portions in the circumferential direction so as to move only in the radial direction with respect to the drum shaft, and each circumferentially divided joint portion is elastically deformable in the radial direction. A segment provided with a slope portion on the inner diameter side, a hollow rod and a center rod penetrated so as to move in the axial center of the drum shaft in the axial direction, and the hollow rod and the center rod are moved in the axial direction. Means for providing, and a gradient portion engaging with the gradient portion of each of the segments is provided on the outer peripheral side, and the inner diameter side is movably engaged with the drum shaft in the axial direction, respectively, and the hollow rod or the central rod is respectively engaged with the drum shaft. A connected spreader, a sub-segment provided with a gradient portion on the inner diameter side inside the circumferential division joint of each segment, and a gradient portion of each of the sub-segments. And a sub-spreader connected to the center rod or the hollow rod with the inner diameter side engaged with the drum shaft so as to move in the axial direction. Round reel drum. 2. The segment includes an outer segment that forms an outer peripheral surface of the multi-round reel drum with an arc-shaped outer peripheral surface and is elastically deformed in a circumferential direction, and the sub-segment defines an inner diameter surface of each outer segment. 2. The multi-round reel drum according to claim 1, wherein the drum is pressed to an outer diameter side.