JPH11277137A - Steel plate coil inverting device and steel plate coil packing method using it - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate lifting coils with tongs by easily inverting plural steel plate coils from an up end state to a down end state after superposing and packing them. SOLUTION: In this packing method, a turning body 4 having a cylindrical outer peripheral surface is turnably supported on a frame 1 in the last end of a packing line, and a steel plate coil inverting device wherein a steel plate coil transporting part 10 where a driving conveyer 12 or the like is disposed via a notch becoming a tong inserting space and a steel plate coil placeing part which extends in the direction orthogonal to the steel plate coil transporting part 10 are disposed in the turning body 4, a packed coil which is transported in the up end state is transported to the steel plate coil placing part side with a driving conveyer 12 or the like in a carrying-in position wherein the steel plate coil transporting part 10 is horizontalized, next the turning body 4 is turned 90 degrees. Thus, the packed coil is placed on the steel plate coil placing part in a down end state, tongs are inserted into the packed coil through the tong inserting space in this state, and whereby the packed coil is lifted.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a steel sheet coil reversing apparatus which is applied to a packing line for stacking a plurality of coiled steel sheets and packing the same, and a method for packing a steel sheet coil using the same.

[0002]

2. Description of the Related Art Conventionally, in a packing line for stacking a plurality of steel coils in a stacked manner, Japanese Patent Application Laid-Open No.
As described in Japanese Patent Publication No. 0, a plurality of steel sheet coils conveyed in a so-called down-end state in which the central axis is in the horizontal direction are overlapped, and once this is flipped 180 degrees in a horizontal plane, the packaging paper is By arranging a padding and packing, and then inverting it by 90 degrees in a vertical plane, it is placed on a skid on an unloading conveyor as a so-called up-end state in which the central axis is in a vertical direction so as to be unloaded. I have.

[0003]

In the above conventional example, the packed coil is carried out in an up-end state. Therefore, when the packed coil is hung by a tongue and conveyed, the coil is again brought into a down-end state. The reversing device is disclosed in, for example, JP-A-52-14977.
No. 1 and Japanese Utility Model Publication No. 51-29880 have been proposed.

However, Japanese Patent Application Laid-Open No. Sho 52-149771
The coil overturning device described in the above publication has a configuration in which an L-shaped coil overturning member is fixed to a support shaft that is rotated by a fluid pressure cylinder, and the steel plate coil conveyed in the up-end state is in the down-end state. However, when a packaged coil in which a plurality of coils are superimposed is reversed, the weight of the packaged coil is heavy, and there is an unsolved problem that it is structurally impossible. There is.

[0005] Further, in the coil turning device described in Japanese Utility Model Publication No. 51-29880, an L-shaped frame in which a flat roll table and a V-plane roll table are orthogonal to each other is mounted on a rotating body, and this rotating body is rotated by 90 degrees. By rotating in the range, the coil in the up end state can be inverted to the down end state, but when the coil is inverted from the down end state and the coil is transferred from the flat roll base to the V plane roll base Since the end face of the coil is in contact with the flat roll base,
Since there is no space for inserting the tongue, hanging the tongue must be performed after moving the coil from the V-surface roll table, which is troublesome and requires space for moving the coil. There is an unsolved problem that the configuration becomes large.

Accordingly, the present invention has been made in view of the above-mentioned unsolved problems of the prior art, and inverts a packed coil obtained by stacking and stacking a plurality of coils from an up end state to a down end state. It is an object of the present invention to provide a steel sheet coil reversing device that can be immediately suspended by a tongue when the coil is inverted.

Another object of the present invention is to provide a method of packing a steel sheet coil in which a plurality of steel sheet coils can be efficiently stacked and packed and carried out.

[0008]

In order to achieve the above object, a steel sheet coil reversing device according to a first aspect of the present invention has a driving conveyer that is rotationally driven and disposed with a tongue insertion space at a predetermined interval. A steel sheet coil conveying part for conveying the steel sheet coil with its axial direction as a vertical direction, and a coil receiving stand connected to the steel sheet coil conveying part and receiving a cylindrical surface of the steel sheet coil arranged perpendicular to the steel sheet coil conveying part. Between the rotating body formed with the steel sheet coil mounting portion having the coil body and the coil unloading position where the steel sheet coil mounting portion is in the horizontal state from the coil loading position where the steel sheet coil transporting portion is in the horizontal state. And a turning mechanism for turning the rotation.

According to the first aspect of the present invention, when the packed coil in which a plurality of steel coils are stacked in the up end state is transported to the steel coil transporting section, the coil is transported to the steel coil mounting section by the driving conveyor, By rotating the rotating body by 90 degrees after the cylindrical surface of the packed coil comes into contact with the coil receiver, the packed coil is placed on the coil receiver. At this time, since the tongue insertion space is formed between the drive conveyors in the steel sheet coil conveying unit, the packed coil can be hung by the tongue in a state where the coil is placed on the coil receiving stand.

According to a second aspect of the present invention, there is provided a method for packing a steel sheet coil, comprising stacking a plurality of steel sheet coils such that their axial directions are perpendicular to each other, placing the plurality of steel sheet coils on a transfer mechanism, and stacking the plurality of steel sheet coils on the transfer mechanism. After packing the steel sheet coil, and then transferring the packed coil to the drive conveyor with the steel sheet coil reversing device according to claim 1 as a coil loading position, and after the cylindrical surface of the packed coil comes into contact with the coil receiving base, By rotating the rotating body to the coil unloading position, the packed coil is placed on the coil receiving base with its axial direction being horizontal, and the tongue is inserted through the tongue insertion space in this state, so that the packed coil is inserted. The feature is that it is carried out.

In the invention according to the second aspect, the plurality of steel coils are superimposed and placed on the transport mechanism in an up-end state, and the stacked steel coils are packed on the transport mechanism. The packaged coil is inverted to the down-end state by the first coil reversing device, and can be immediately carried out by the tongs, so that the efficiency of the packing operation when a plurality of steel coils are stacked and packed can be improved.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. First, a steel sheet coil reversing device for reversing a packed coil applicable to the present invention from an up-end state to a down-end state will be described with reference to FIGS.

In the drawing, reference numeral 1 denotes a platform mounted on the floor, and a pair of left and right support rolls 2 and 3 are provided on the upper surface of the platform 1.
Are extended in the front-rear direction and are rotatably disposed, and a rotating body 4 having a cylindrical outer peripheral surface is rotatably supported on these support rolls 2 and 3.

The rotating body 4 has a cylindrical outer peripheral surface 5 extending approximately 180 degrees as viewed from the front, a flat portion 6 extending vertically downward from an upper end portion on the inner surface side, and a horizontal extending leftward from a right end portion. The flat portion 7 is formed in an L-shape, and extends from the upper end side to the vicinity of the flat portion 7 at a predetermined width in the front-rear direction, as is apparent from the right side at the center of the flat portion 6. Notch 8 is formed to form a tongue insertion space,
The flat part 6 is formed in a forked shape.

The flat part 6 is provided with a steel sheet coil conveying part 10.
However, a steel plate coil mounting portion 11 is formed on each flat portion 7. The steel sheet coil conveying section 10 includes drive conveyors 12 and 1 each having a large number of rolls arranged in parallel on the surface of a bifurcated flat section 6.
Each of the guide rolls of the drive conveyors 12 and 13 is connected to a rotating shaft 15 that is rotated by a drive motor 14 with a brake for driving the conveyor by a chain or the like (not shown). The packaged coil 1 that is rotated clockwise at the loading position and is in the up-end state
6 is transferred to the steel plate coil placement unit 11 side.

As shown in FIG. 2, the steel sheet coil mounting section 11 is provided at the center of the flat surface 7.
A V-shaped pedestal 17 is formed to receive the cylindrical surface of the packed coil 16 supplied by the above.

The V-shaped pedestal 17 has a pair of inclined surfaces having inclined upper surfaces whose heights, which are symmetrically arranged with respect to the front-rear center line of the flat surface 7, gradually decrease from the outside to the inside. It is composed of bases 18a and 18b.

Engagement holes 19 are formed at predetermined intervals on the front-rear center line of the flat surface 7 sandwiched between the inclined base portions 18a and 18b. Is inserted.

On the other hand, the rotating body 4 has external teeth 21 on its cylindrical surface.
The external teeth 21 formed on the support roll 3 disposed on the gantry 1 mesh with the external teeth 21, and the reversing brake-equipped drive motor 23 provided on the gantry 1 with the support roll 3
1 is connected via a rotation transmission mechanism such as a gear or a chain (not shown), and a locking piece 24 shown by a broken line in FIG. , 13 are in a horizontal state, and the coil loading position connected to the external conveyor 26 and FIG.
Then, as shown by the solid line, the locking piece 27 abuts against the butting stopper 28 formed on the gantry 1 and is rotated between the coil unloading position where the steel sheet coil mounting portion 11 is in the horizontal state.

As shown in FIG. 2, the drive motors 14 and 23 for driving and reversing the conveyor include a carry-in operation button 32 formed in a pendant-type operation box 31,
By selectively operating the normal operation button 33 and the reverse operation button 34, the drive is controlled by the control panel 35.

That is, as shown by the broken line in FIG.
It is assumed that the rotating body 4 is located at the coil loading position where the steel sheet coil transport unit 10 is in a horizontal state, and the engaging hole 1 according to the width of the packed coil 16 into which the coil overturn prevention bar 20 is transported.
9 is engaged.

In this state, when the packed coil 16 is transported in the up-end state by the external transport conveyor 26 and delivered to the drive conveyors 12 and 13, the carry-in operation button 32 of the operation box 31 is pressed, and While being pressed, the conveyor driving motor 14 is driven to rotate, the guide rolls of the driving conveyors 12 and 13 are rotated clockwise, and the packed coil 16 is conveyed to the steel plate coil mounting portion 11 side and packed. When the cylindrical surface of the coil 16 comes into contact with the V-shaped pedestal 17 of the steel coil placement section 11, the pressing of the carry-in operation button 32 is released to stop the drive conveyors 12, 13.

In this state, when the normal rotation button 33 of the operation box 31 is pressed, the reversing drive motor 23 is driven to rotate normally and the rotating body 4 is rotated clockwise as viewed in FIG. When pivoted to the unloading position shown by the solid line, the locking piece 27 abuts against the butting stopper 28, and it is detected that the unloading position has been reached by position detection means such as a limit switch (not shown). Thus, the rotation of the inversion drive motor 23 is stopped.

When the rotating body 4 reaches the coil unloading position in this way, the packed coil 16 is placed on the V-shaped cradle 17 in a down-end state. Since the tongue insertion space is formed by the notch 8 and the opposite side is open, the tongue is inserted into the center opening of the packed coil 16 after the coil overturn prevention bar 20 is removed from the engagement hole 19. Thus, the packaged coil 16 can be immediately lifted and transported to a desired position.

As described above, by forming the steel sheet coil transfer section 10 and the steel sheet coil mounting section 11 on the rotating body 4 having a cylindrical outer peripheral surface, mechanically, compared to the case where a cantilevered support section is used. While ensuring strength,
The overall configuration can be reduced in size.

Next, a packing line using the above-described steel sheet coil reversing device will be described with reference to FIG. In this packing line, first, a plurality of steel sheet coils C conveyed in a down-end state by a conveyance trolley 41 are sequentially superimposed on the left end, and then reversed to an up-end state to convey the conveyance conveyor 4.
2, a coil superposition turning device 43 for carrying out is provided.
A steel sheet coil reversing device 44 having the configuration shown in FIGS. 1 to 3 described above is disposed on the right end side of the conveyor 42.

Here, the coil superposing and turning device 43 includes:
Rotation having a configuration similar to that described in JP-A-3-146220 and extending and fixed vertically to a first frame 51 which can be sequentially rotated as shown in FIGS. When a required number of steel sheet coils C are inserted and held in a horizontally extending rod-shaped holder 53 which is provided on the support table 52 so as to be able to advance and retreat, the rotation support table 5
5 is rotated 180 degrees in the horizontal plane to the state shown in FIG. 5, and in this state, the second frame 55 to which the roller table 54 on which the skid S is detachably mounted is fixed is rotated 90 degrees counterclockwise.
And then abutted against the tip of the steel sheet coil C, and then, as shown in FIG.
5 are rotated clockwise by 90 degrees, thereby placing the superposed steel coil C on the skid S in an up-end state, pulling the holder 53 upward from this state, and then moving the first frame 51 counterclockwise. By rotating 90 degrees in the direction, from the state shown in FIG. 7, the fixed state of the skid S to the roller table 54 is released, and the stacked coils 56 in the up-end state are conveyed to the conveyor 42 for superposition.

The transport conveyor 42 intermittently transports the stacked coils 56 placed on the skid S as shown in FIG. 8A, while packing paper as shown in FIG.
It packs by applying a metal plate or the like, affixes a predetermined label 57 to form a packed coil 16,
Transport to

In this steel sheet coil reversing device 44, FIG.
As schematically shown in FIG.
The packed coil 16 is received by the driving conveyors 12 and 13 at the coil loading position, and the cylindrical surface of the packed coil 16 is brought into contact with the V-shaped cradle 17 and then the rotating body 4 is rotated clockwise by 90 degrees clockwise. To the coil unloading position shown in FIG. 9 (b), and in this state, using the tongue 45, the packaged coil 16 is formed by utilizing the tongue insertion space formed by the notch 8 formed in the steel sheet coil transfer section 10. And lift it out.

As described above, the packing line is transferred to the conveyor 4
2 is composed of a superposing device 43 and a steel plate coil reversing device 44 disposed at both ends of the packaged coil 16.
Immediately after being inverted from the up-end state to the down-end state, it can be carried out by the tongs 45. The average packing time when reversing from the up-end state to the down-end state by using a crane or the like without using it was significantly reduced from 24.8 minutes / package to 13.3 minutes / package.

[0031]

As described above, according to the steel sheet coil reversing device according to the first aspect, when a packed coil in which a plurality of steel sheet coils are stacked in the up end state is conveyed to the steel sheet coil conveyer, the driving conveyor The packaged coil is transferred to the steel coil mounting part side, and the rotating body is rotated by 90 degrees after the cylindrical surface of the packaged coil comes into contact with the coil receiving base, so that the packed coil is mounted on the coil receiving base in a down-end state. In this state, the tongue insertion space is formed between the drive conveyors in the steel sheet coil conveying part, so even if the width of the packed coil is narrow, the packed coil should be immediately lifted by the tongs without falling over. Is obtained.

According to the method for packing a steel sheet coil according to the second aspect, a plurality of steel sheet coils are placed in an up-end state in a state of being superimposed on each other and placed on a transfer mechanism, and the stacked steel sheet coils are packed on the transfer mechanism. Then, the packed coil is reversed to the down-end state by the coil reversing device according to claim 1 and can be immediately carried out by the tongs, thereby improving the packing work efficiency when a plurality of steel coils are stacked and packed. The effect that can be obtained is obtained.

[Brief description of the drawings]

FIG. 1 is a front view showing a steel sheet coil reversing device according to an embodiment of the present invention.

FIG. 2 is a right side view of FIG.

FIG. 3 is a plan view of FIG. 1;

FIG. 4 is a plan view showing a packing line.

FIG. 5 is an explanatory view showing a state in which coils are superimposed in the superimposing coil rotating device.

FIG. 6 is an explanatory diagram showing a coil inversion state in the superposed coil turning device.

FIG. 7 is an explanatory view showing a coil unloading state in the superposed coil rotating device.

FIGS. 8A and 8B are explanatory views showing a transport state of the superposed coils on the transport conveyor, wherein FIG. 8A is a transport state before packing, and FIG.
Indicates the transport state after packing.

FIG. 9 is a schematic diagram showing a steel sheet coil reversing device;
(A) shows a carry-in state and (b) shows a carry-out state.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Stand 4 Rotating body 5 Cylindrical outer peripheral surface 8 Notch (tongue insertion space) 10 Steel coil transfer part 11 Steel coil placement part 12, 13 Drive conveyor 16 Packed coil 17 V-shaped pedestal 41 Transport trolley 42 Transport conveyor 43 Stack Combined coil turning device 44 Steel plate coil reversing device

Claims (2)

[Claims] 1. A steel sheet coil conveying section for conveying a steel sheet coil in which a rotationally driven drive conveyor is disposed with a tongue insertion space at a predetermined interval therebetween, with the axial direction thereof being vertical, and being connected to the steel sheet coil conveying section. A rotating body formed with a steel coil mounting portion having a coil receiving base for receiving a cylindrical surface of a steel sheet coil disposed orthogonally to the steel sheet coil transporting section, and the steel sheet coil transporting section moving the rotating body horizontally. A rotating mechanism configured to rotate from a coil loading position in a state to a coil unloading position in which the steel plate coil mounting portion is in a horizontal state. 2. A plurality of steel sheet coils are stacked so that their axial directions are perpendicular to each other, placed on a transport mechanism, and the stacked steel sheet coils are packed on the transport mechanism. With the described steel sheet coil reversing device as the coil loading position, the packed coil is transferred to the drive conveyor, and after the cylindrical surface of the packed coil comes into contact with the coil receiving table, the rotating body is rotated to the coil unloading position. The packaged coil is placed on a coil receiving base with the axial direction of the packaged coil being horizontal, and the tongue is inserted through the tongue insertion space in this state, so that the packed coil is carried out. Coil packing method.