JP2002254110A - Coil holding device and operating method for coil car - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a coil holding device for a coil car and an operating method for a coil car capable of supporting a recoiler drum 2 with a supporting arm 5 even if the coil car moves, and capable of producing coils 4. SOLUTION: The coil holding device 1 is provided with a hoisting means C, a tiling means B, and a pressing means A. The coil holding device 1 actuates No.1 hydraulic cylinder 58, No.2 hydraulic cylinders 66a, 66b and No.3 hydraulic cylinders 69a, 69b, and when these piston rods are contracted, a pressing member 67 of the pressing means A is lowered than the lower surface of the supporting arm 53 which supports the recoiler drum 52, and accordingly, the pressing means A can get under the supporting arm 53 without suspending the recoiler's operation and the coil car 57 can be moved to the working area without suspending the recoiler's operation.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] 1. Field of the Invention [0002] The present invention relates to a coil car coil holding device for conveying a plurality of coils wound by a recoiler and a method of operating the coil car. More specifically, the present invention relates to a coil car coil holding device and a coil car operating method that can transport coils without increasing the stop time of a recoiler and that does not require a large work space.

[0002]

2. Description of the Related Art A coil car for transporting a coil of a metal plate such as a steel plate wound by a recoiler is known. This coil car uses a coil holding device as described in, for example, JP-A-4-260562 and JP-A-5-24725, and removes the coil from the recoiler, holds the coil during transportation, and turns the coil. To prevent loosening.

[0003] A recoiler has a drive source 5 as shown in FIG.
1 is provided with a recoiler drum 2 whose base end 2a is rotatably supported. A plurality of metal plates 3 cut in a predetermined width and running in parallel are wound on the recoiler drum 2. Further, these metal plates 3 are wound into a roll shape on the recoiler drum 2 to form a plurality of coils 4.

In order to remove the wound coil 4 from the recoiler drum 2 and transport it to another place, the diameter of the recoiler drum 2 is reduced, and the coil 4 is pulled out from one end of the recoiler drum 2. . For this reason, one end of the recoiler drum 2 is connected to the drive source 5 at the base end 2a.
1 is supported in a cantilevered state, and the other end is supported by a support arm 5 that is slidable and rotatable at a tip 2b. On the floor 6 below the recoiler, a pair of rails 7a and 7b are laid in parallel with the axial direction of the recoiler drum 2, and the coils 4 removed from the recoiler drum 2 are placed on the rails 7a and 7b. The coil car 8 to be conveyed can run.

[0005] A coil holding device 1 and a lifting / lowering means 10 are provided on a vehicle body 9 of the coil car 8. Elevating means 1
Numeral 0 is used for lifting and lowering the coil 4 held by the coil holding device 1 by lifting and lowering the coil holding device 1 with respect to the vehicle body 9 to lift and pull out the coil 4 from the recoiler drum 2. This lifting means 10
Is a hydraulic cylinder (not shown) fixed vertically to the vehicle body 9.

[0006] The coil holding device 1 includes a bed 11 supported by the hydraulic cylinder, a pair of bearing tables 12a and 12b installed on the bed 11 and having a trapezoidal vertical cross section.
Elevating means 15 provided on the vehicle body 9, a horizontal rotating shaft 16 provided on the elevating means 15, arm-shaped supports 17 a, 17
b and a holding member 19. Bearing bases 12a, 12b
Raises the hydraulic cylinder so that the bearing table 12
The coil 4 mounted on the arc surfaces a and 12b rises.
The vehicle body 9 on the front side of the coil 4, that is, on the side opposite to the side on which the metal plate 3 runs toward the recoiler drum 2,
Elevating means 1 comprising a pair of hydraulic cylinders 13a, 13b and box pillars 14a, 14b moving up and down by their expansion and contraction
5 are provided vertically. And a pair of box pillars 14a,
One horizontal rotation shaft 16 is commonly inserted in the upper part of 14b. One end of a pair of arm-shaped supports 17a and 17b rotatably attached to the horizontal rotation shaft 16 at predetermined intervals is provided with one presser for simultaneously pressing the end portions of the plurality of coils 4. A member 19 is attached.

Similarly, a pair of hydraulic cylinders 18a and 18b as tilting means 18 are provided upright independently of the elevating means 15 near the elevating means 15 in the vehicle body 9, and the tips of these hydraulic cylinders 18a and 18b are set as described above. A pair of tilting levers 20a, 20b extending from the base ends of the supports 17a, 17b are respectively mounted on the tip ends of the tilting levers 20a, 20b. Therefore, the box post 14a,
By operating 14b, the heights of the base ends of the supports 17a, 17b can be adjusted, and by raising and lowering the hydraulic cylinders 18a, 18b, the turning angles of the tilting levers 20a, 20b can be adjusted. By operating while adjusting the distance, the approach distance of the pressing member 19 to the coil 4 and the pressing force can be adjusted.

[0008] The recoiler and coil car having the above structure are used as follows. That is, as shown in FIG. 7, the rotation of the recoiler drum 2 is stopped when the coil 4 in which the metal plate 3 of a predetermined length is wound around the recoiler drum 2 is prepared. In addition, the support arm 5 supporting the distal end portion 2b of the recoiler drum 2 is rotated to cause the drive source 51 to support the recoiler drum 2 in a cantilever state. At the same time, the elevating means 10 and 15 as the coil holding device 1
Then, the tilting means 18 is operated to place the coil 4 on the coil car 8 and lift the coil 4 from the recoiler drum 2, and then pull out the coil 4 from the tip 2 b of the recoiler drum 2.

Further, as shown in FIG. 8, the coil 4 is inserted into a horizontal bar-shaped support 21 provided on the axis of the recoiler drum 2. Thereafter, the coil 4 is circumferentially bound by a band (not shown). Such a coil 4
The end portion 3a can be prevented from jumping and cannot be unraveled. The coil car in which the coil 4 has been moved to the support 21 operates the coil holding device 1 to release the holding of the coil 4, and then moves to the lower side of the recoiler drum 2.

[0010]

However, FIG. 7 and FIG.
As shown in the figure, when the coil car moves on the rails 7a and 7b, the lifting and lowering means 10, 15 and the tilting means 18 of the coil holding device 1 are brought into a position where they collide with the support arm 5 supporting the recoiler drum 2. For this reason, while the coil car is moving, slide and the like are performed, and the coil holding device 1 is moved.
It is necessary to evacuate to a position where it does not collide with each of the means. Further, the recoiler drum 2 cannot rotate if it is not supported by the support arm 5.

For this reason, while the coil car is moving, it is impossible to wind up a new coil using the recoiler, and the operating time of the line is reduced, so that the productivity of the coil 4 is reduced.

Further, the lifting means 15 is fixed vertically to the vehicle body 9 and the supports 17a, 17b
Does not change at a predetermined length, so that the range in which the coil 4 can be pressed by the pressing member 19 is the point a in FIG.
Only within the angle α formed by connecting o and b. This angle α
When the coil 4 is pressed in the inside, not only the position where the coil 4 is pressed by the pressing member 19 differs depending on the diameter of the coil 4, but also the terminal end of the coil 4 cannot be pressed at a position facing the elevating means 10 (coil). 4 to the support table 12
a, 12b and the pressing member 19 cannot be sandwiched so as to face each other), and the holding of the coil 4 becomes unstable.

The present invention solves such a problem, and the support arm 5 can support the recoiler drum 2 even when the coil car is moved, so that the coil 4 can be produced. An object of the present invention is to provide a coil holding device of a coil car and a method of operating the coil car.
It is another object of the present invention to provide a coil car coil holding device and a coil car operating method that can stably hold a coil.

[0014]

The coil holding device according to the first aspect of the present invention is provided on a coil car 57 located below the recoiler and capable of transferring wound coils from a recoiler drum of the recoiler and conveying the coil outside the recoiler. A pressing means A having a pressing member 67 attached to the distal end thereof for pressing the terminal end of the coil from above toward the recoiler drum; The tilting means B for tilting the pressing member to contact the coil and the elevating means C for raising and lowering the tilting means are sequentially connected to each other.

Further, the pressing means can be configured to be extendable and contractable as shown in the second invention. Further, the rotation fulcrum P of the tilting means can be at least two-dimensionally movable as shown in the third invention. The expression “movable two-dimensionally” means that the movable member can be freely moved with respect to a plane orthogonal to the axis of the coil, and it is sufficient that the position at which the pressing member is pressed against the coil can be set arbitrarily.

According to a fourth aspect of the present invention, there is provided a method for operating a coil car, comprising: a pressing means A having a pressing member 67 mounted on a leading end thereof for pressing the terminal end of the coil from above toward the recoiler drum; The recoiler of the recoiler is provided by using a coil car having a coil holding device including a tilting means B for tilting the holding member to contact the coil and an elevating means C for elevating and lowering the tilting means. A method of operating a coil car for transporting the coil on a drum, wherein the recoiler drum 52 has a tip 52b supported on a rotatable support arm 53, and an end of the coil during operation of the recoiler. By pressing a pressing means A, which has a pressing member 67 for pressing the head at the front end thereof, from below the support arm during operation of the recoiler, the outside of the support arm On the front side of the Luo said Rico Iler drum,
The coil car is moved.

[0017]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in more detail with reference to embodiments relating to a coil holding device and a coil car operating method of the present invention. [Embodiment 1] The present invention is for cutting one wide metal plate to a predetermined width by a slitter, processing it into metal plates of a plurality of widths, and then conveying the coil wound on a recoiler drum. The present invention relates to a coil holding device provided in a coil car.

Coil car 5 to which the present coil holding device is applied
7, a base 57a that can run integrally with the vehicle body is formed on the front side of the recoiler drum 52, that is, on the side opposite to the side on which the metal plate 54 to be wound travels. The coil holding device 1 is provided on the base 57a. As shown in FIGS. 1 to 4, the present coil holding device 1 includes a lifting unit C, a tilting unit B, and a pressing unit A.
And The elevating means C includes a first hydraulic cylinder 58 provided vertically, a rotating shaft 59a, a horizontal arm 5
9 is provided. Biston rod 58 of hydraulic cylinder 58
As shown in FIG. 1 to FIG. 3, a horizontal portion composed of a single horizontal rotating shaft 59a and a pair of plate-like bodies 59b and 59c provided so as to sandwich the rotating shaft 59a is provided at the tip end of the horizontal direction. An arm 59 is provided. The horizontal arm 59
The tilting means B is attached to both ends of.

In the tilting means B, levers 60a and 60b extend in a direction perpendicular to both ends of the horizontal arm 59,
A pair of sliding contact members 62b having an arc-shaped intermittent groove 61b on the inner surface side are fixed to the tip end thereof in parallel at a predetermined interval and perpendicular to the rotation axis of the recoiler drum 52 (in FIG. 3, arc-shaped). Intermittent groove 61b and sliding member 62b
The other arc-shaped intermittent groove portions and sliding contact members facing the above are not shown).

As shown in FIGS. 1 and 2, on the base 57a, on both sides of the first hydraulic cylinder 58, a pair of raising and lowering base plates 63a and 63b having a narrow upper portion are provided at predetermined intervals with a recoiler drum. A pair of guide protrusions 64a, 64b, which are formed in a substantially arc shape with the recoiler drum 52 as a center, are provided outside the lift base plates 63a, 63b. And the intermittent groove 61 of the sliding members 62a, 62b.
a, 61b. Therefore, when the piston rod 58a of the first hydraulic cylinder 58 is extended and contracted, the sliding contact members 62a and 62b move up and down, and the intermittent grooves 61a and 61b are regulated by the guide protrusions 64a and 64b. Recoiler drum 52
(Two-dimensionally displaceable) in a plane in the vertical direction perpendicular to the center of the axis.

Outwardly extending support members 65a, 65b are attached to the lower ends of the sliding members 62a, 62b.
The base ends of the second hydraulic cylinders 66a and 66b are rotatably supported on them. These hydraulic cylinders 66
The piston rods 68a and 68b a and 66b are connected to a pressing means A in which a pressing member 67 for pressing the end of the coil 56 is attached to the lower surface of the distal end. Therefore, in this embodiment, the tilting means B includes the sliding members 62a, 62a.
b, intermittent groove portions 61a, 61b, elevating base plates 63a, 63
b, guide ridges 64a, 64b, second hydraulic cylinder 66
a, 66b and the like.

The pressing means A includes a pair of third hydraulic cylinders 6.
9a, 69b and fixed frame 70a supporting them
A movable frame 70b movable in response to the extension of the piston rods 71a, 71b of the third hydraulic cylinders 69a, 69b; Bearings 72a, 72b attached to the lower end, and a horizontal arm 5 having both ends pivotally supported by the bearings 72a, 72b.
And nine rotating shafts 59a.

Therefore, as shown in FIG. 2, when the second hydraulic cylinders 66a and 66b are expanded and contracted, the pressing means A rotates about the rotation shaft 59a. When the third hydraulic cylinders 69a and 69b are expanded and contracted, the distance of the pressing member 67 to the vertical center line C of the recoiler drum 52 can be changed. In addition, when the first hydraulic cylinder 58 is expanded and contracted, not only does the height of the second hydraulic cylinders 66a, 66b and the pressing means A change, but also the second hydraulic cylinder 6
The rotation fulcrum P of 6a, 66b moves two-dimensionally in a plane perpendicular to the rotation center of the recoiler drum 52 while moving up and down. Therefore, the pressing means A is different from that of the prior art,
In addition to being tilted about the rotation shaft 59a as a rotation fulcrum Q, it is also displaced two-dimensionally toward the recoiler drum 52 in addition to being displaced vertically and vertically.

That is, as shown in FIGS. 1 and 2, a recoiler drum 52 is supported in a cantilever state at its base end 52a by a driving source 51 installed on the slitter line. Support arm 5
The metal plate 54 can be wound around the recoiler drum 52 by driving the drive source 51 because the distal end portion 52b of the recoiler drum 52 is supported on the recoiler drum 52.

A coil car 57 is installed on the floor below the recoiler drum 52 in the same manner as in the prior art. When the coil elevating device 55 installed on the coil car 57 is operated, the coil car 57 is recoiled. The coil 56 wound and formed on the eraser drum 52 can be placed.

The procedure for transporting the coil 4 using a coil car 57 having such a coil holding device and a recoiler will be described. First, (1) the slitted metal plate 54 is wound around the recoiler drum 52 of the recoiler, and when the winding amount reaches a predetermined length, the recoiler is stopped. The coil car 57 is located on the front side of the recoiler drum 52 with the elevating means C lowered.

(2) The coil elevating device 55 is operated to slightly raise the coil 56 formed on the recoiler drum 52 from the recoiler drum 52. (3) The first hydraulic cylinder 58, the second hydraulic cylinders 66a and 66b, and the third hydraulic cylinders 69a and 69b are operated to tilt the pressing means A toward the coil 56. Thereafter, the end portion of the coil 56 is pressed toward the recoiler drum 52 from above by the pressing member 67 of the pressing means A. (4) The support arm 53 is retracted, and the coil car 57 in a state in which the elevating means C is raised is movable. (5) Coil car 5
7 is moved to pull out the coil 56 from the recoiler drum 52 and insert it into another support.

(6) When the coil car 57 comes out of the recoiler winding work area, the support arm 53 is operated to support the leading end 52b of the recoiler drum 52, and the winding of a new metal plate 54 is started. (7) After the coil 4 inserted in the other support is strapped or carried out, and the coil 4 placed on the coil car 57 disappears, as shown in FIG. 4, the coil elevating device 55 and the elevating means C Is lowered so that the coil holding device 1 does not collide with the support arm 53. (8) The coil car 57 is moved under the support arm 53 supporting the recoiler drum 52 for winding the metal plate 54 so as to be positioned on the front side of the recoiler drum 52.

As shown in the above procedure, the first hydraulic cylinder 58 and the second hydraulic cylinders 66a, 66b shown in FIG.
When the piston rods are contracted by operating the third hydraulic cylinders 69a and 69b, the pressing member 67 of the pressing means A becomes lower than the lower surface of the support arm 53 supporting the recoiler drum 52. The pressing means A can be sunk under the support arm 53 without stopping the operation of.

As a result, the coil car 57 can be moved to the work area without stopping the operation of the recoiler, so that the transfer of the coil 56 on the recoiler drum 52 and the pressing of the end portion are immediately performed at the end of the next winding. The operation can be started, and the production efficiency of the coil 56 can be improved. Further, by using the pressing means A, the tilting means B, and the elevating means C, it is possible to minimize the space necessary for the work of holding the coil,
The recoiler and its working space can be reduced.

[Embodiment 2] As a second embodiment, a mode in which the first hydraulic cylinder as the lifting / lowering means C is also moved two-dimensionally will be described. As shown in FIG. 5, a first hydraulic cylinder 58 as an elevating means, which is inclined and installed below the recoiler, is installed in the space of the coil elevating device 55, and its base end is horizontally moved and rotated. Make it movable. The same tilting means B and pressing means A as those in the first embodiment are sequentially connected to the first hydraulic cylinder 58, and the first hydraulic cylinder 58 is displaced toward the front side of the recoiler by a separately provided drive source. Is extended so that the tilting means B and the pressing means A rise to the front side of the coil 56 as shown in FIG.

Although the connecting members of these means are not shown in FIGS. 5 and 6, they are interposed according to the first embodiment. However, in this embodiment, the guide ridge must be long and extend downward, and the piston rod 58a of the first hydraulic cylinder 58 must be connected to the base end of the tilting means B. When this embodiment is employed, in addition to the effect that it is not necessary to dig down the floor surface and make the groove in which the hydraulic cylinder moves deeper to secure the stroke length of the first hydraulic cylinder 58, the winding work space is reduced. The effect that it can be enlarged is exhibited.

The present invention is not limited to those shown in the embodiments, but may be variously modified within the scope of the present invention depending on the purpose and application. That is, the fixed frame 70a and the movable frame 70b of the pressing means A are
Can be formed close to the shape of the peripheral surface.

[0034]

According to the coil holding device of the first invention,
The holding member for holding the coil can be held at an appropriate position regardless of the diameter of the coil. Further, it is not necessary to secure a wide working space necessary for the coil holding device. Further, it can be moved under the recoiler and in front of the recoiler drum. Further, as shown in the second invention, the coil can be held at a more appropriate position by using the holding member. Further, as shown in the third invention, the coil can be pressed at a more appropriate position using the pressing member, and the working space required for the coil holding device can be minimized.

According to the operation method of the coil car of the fifth invention, the coil car can be moved under the recoiler and in front of the recoiler drum, and the operation efficiency of the recoiler can be improved. In addition, the coils can be transported while being stably held.

[Brief description of the drawings]

FIG. 1 is a partially broken front view of a pressing unit and a tilting unit of a recoiler according to a first embodiment of the present invention.

FIG. 2 is a partially broken side view of the same.

FIG. 3 is a partial perspective view showing a main part of the tilting means.

FIG. 4 is a partially broken side view showing the operation of a pressing unit, a tilting unit, and the like.

FIG. 5 is a layout diagram of components in a second embodiment.

FIG. 6 is a layout diagram of components for explaining the operation of the second embodiment.

FIG. 7 is a partially cutaway perspective view of a conventional technique.

FIG. 8 is a partially cutaway perspective view showing the operation of the related art.

FIG. 9 is a conceptual diagram showing the effect of the conventional technique.

[Explanation of symbols]

1; Coil holding device, 51; Drive source, 52; Recoiler drum, 52a; Base end, 52b; Tip, 53; Support arm, 54; Metal plate, 56; Coil, 58; Lifting means, 57; , 67; holding member, A: pressing means, B: tilting means, P: rotation fulcrum.

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Makoto Takahashi 33-4 Shinodamachi, Tokai City, Aichi Prefecture Inside Toyota Steel Center Co., Ltd. (72) Inventor Katsushi Matsuno 4th, Toyota Steel Center 33rd Shinbocho Town, Tokai City, Aichi Prefecture Co., Ltd. F term (reference) 3F052 AA06 AB10 BA02 4E026 DA03 DA05 DB01

Claims (4)

[Claims] 1. A coil holding device provided in a coil car 57 located below a recoiler and capable of transferring a wound coil from a recoiler drum of the recoiler and transporting the wound coil to the outside of the recoiler. Pressing means A having a pressing member 67 for pressing the terminal end of the coil from above toward the recoiler drum side is attached to the tip end, and the pressing means is tilted to bring the pressing member into contact with the coil. Tilt means B
And a lifting and lowering means C for raising and lowering the tilting means. 2. The coil holding device according to claim 1, wherein said pressing means is configured to be extendable and contractible. 3. The coil holding device according to claim 1, wherein the pivot point P of the tilting means is movable at least two-dimensionally. 4. A pressing means A in which a pressing member 67 for pressing the terminal end of the coil from above toward the recoiler drum side is attached to the tip end, and the pressing means is tilted to move the pressing member to the coil. Coil car for transporting the coil on the recoiler drum of a recoiler using a coil car equipped with a coil holding device provided with a tilting means B for contacting the tilting means and a lifting means C for raising and lowering the tilting means. The recoiler drum 52 has a front end 52b supported by a rotatable support arm 53, and a pressing member 67 for pressing an end of the coil during operation of the recoiler has a front end. Pressing means A attached to the part
Moving the coil car from outside of the support arm to the front side of the recoiler drum by dipping the coil car from below the support arm during operation of the recoiler.