JP5895455B2 - Coil prevention cover and installation method - Google Patents

Description

  TECHNICAL FIELD The present invention relates to a cover for preventing contamination of a steel sheet wound in a coil shape and a mounting method thereof, and preferably by the outer peripheral portion of the steel sheet wound in a coil shape being in contact with a skid of a lift car or a transport carriage during transport. It relates to things that prevent contamination.

  In order to prevent the outer peripheral surface of a coiled steel sheet (hereinafter referred to as a coil) from being scratched or soiled, the entire coil surface is often packed with paper or the like. However, since time is required for packing work, a method of covering a paper tube cut with a cutting line that can be unfolded as in Patent Document 1 or a method of automatically mounting a sufficiently large packing sheet using a machine Has been proposed.

  In Patent Documents 2 and 3, a coiling-end-preventing cover composed of a protector, a hoop, an adhesive tape, etc., which can be applied as a dirt prevention cover, is stored in Patent Document 4. A buffer protector for preventing the coils from contacting each other has been proposed.

Japanese Patent Laid-Open No. 2002-80060 Japanese Utility Model Publication No. 61-105667 Japanese Utility Model Publication No. 62-54951 Japanese Utility Model Publication No.59-129756

  By the way, when the situation where dirt adheres to the outer peripheral surface of the coil is examined in detail, as shown in FIG. It turned out to be difficult to remove due to the soiling. 5A shows a state in which the coil 6 is placed on skids 7a and 7b of a lift car or a carriage (not shown), and FIG. 5B is attached to the outer peripheral surface observed from the side of the coil 6. (C) shows the result of observing the dirt 8a, 8b from the skid 7a, 7b side (not shown) of a lift car or a carriage (not shown).

  In order to prevent such adhesion of dirt, the method described in Patent Document 1 packs the entire surface of the coil, and it is necessary to finally join the end portions of the packing material, so that time is required for packing and unpacking. However, it is not suitable for transport by lift cars or carts that require quick attachment / detachment.

  Moreover, the anti-striking cover at the coil end described in Patent Documents 2 and 3 is complicated as a cover that is temporarily mounted, and the protective device described in Patent Document 4 prevents contamination of the outer peripheral surface of the coil. I can't.

  SUMMARY OF THE INVENTION An object of the present invention is to provide an anti-stain cover for the outer periphery of a coil and a method for mounting the cover, which can solve the above-mentioned problems and can be easily attached and detached.

The object of the present invention can be achieved by the following means.
1. A cover for preventing dirt on the outer peripheral surface of a steel sheet wound in a coil shape, wherein the cover for preventing dirt has a sheet-like main body and an attachment member attached to the sheet-like main body, and the main body is an outer peripheral face of the steel plate. It has an area that covers the area where it is desired to prevent the adhesion of dirt, and is made of a material that can be deformed along the outer peripheral surface of the steel plate. A dirt-preventing cover, comprising: a magnet that closely contacts the outer peripheral surface of the steel plate, wherein the attachment member is attached at a position that is asymmetric between the both end portions.
2. 2. The dirt prevention cover according to 1, wherein the magnet is attached to both end portions of the main body, overlapping the main body or connected to both end portions.
3. 3. The dirt prevention cover according to 1 or 2, wherein the main body is made of a fibrous material.
4). The dirt prevention cover according to any one of claims 1 to 3, wherein the main body is made of an elastic material.
5. A method for attaching a dirt prevention cover according to any one of 1 to 4 on an outer peripheral surface of a steel sheet wound in a coil shape, the coil being wound in a coil shape on a horizontal floor After placing an elastic body having a thickness that allows a part of the steel sheet to be buried, the dirt prevention cover is overlaid, and then a steel sheet wound in a coil shape is pressed from above. How to install the cover for prevention.

  According to the present invention, a coil dirt prevention cover that can be easily attached and detached and that can prevent dirt and wrinkles on the coil surface and a method for mounting the same are obtained, which is extremely useful in industry.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. The typical perspective appearance figure showing the case where the dirt prevention cover shown in Drawing 1 was piled up on the elastic body. The schematic diagram which shows the mounting | wearing method (a)-(c) of the dirt prevention cover which concerns on one Example of this invention. The schematic diagram which shows the effect which attached the handle in the time of removing the dirt prevention cover which concerns on one Example of this invention from a coil ((a)-(c)) to the asymmetrical position. It is a figure explaining the situation where a wrinkle arises on a coil outer peripheral surface, or dirt adheres, (a) is a mode that a coil contacts a skid, (b) (c) is a situation where dirt of a skid adhered to a coil outer peripheral surface. FIG. 5B is a diagram schematically showing an adhesion state observed from the end surface side, and FIG.

  The present invention prevents the adhesion of dirt that adheres to the outer peripheral surface (hereinafter, also referred to as the outer peripheral surface of the steel plate or the outer peripheral surface of the coil) of a steel sheet wound in a coil shape (hereinafter may be referred to as a coil) by magnetic force. This is a sheet-shaped anti-smudge cover. Hereinafter, the present invention will be described in detail with reference to the drawings. The description will be made in the case where the anti-smudge cover is rectangular, but it may be oval or polygonal.

  FIG. 1 shows a schematic perspective external view of a dirt prevention cover according to an embodiment of the present invention. In the figure, 1 is a dirt prevention cover, 2 is a sheet-like main body, 3a and 3b are magnets such as rubber magnets attached to the main body 2, and 4 is a handle which is an attachment member attached to one side of the main body 2. .

  The illustrated dirt prevention cover 1 includes a main body 2 made of a fibrous or elastic material that can be deformed to cover the outer peripheral surface of the coiled steel plate, and a main body 2 for holding the main body 2 along the outer peripheral surface of the steel plate. 2 has magnets 3a and 3b for tightly attaching both ends of the steel plate to the outer peripheral surface of the steel sheet, and a handle 4 as an attachment member for removing the dirt prevention cover 1 from the outer peripheral surface of the steel sheet. When the main body 2 is an elastic body, for example, an es sheet (trade name: manufactured by Toshi Ito Co., Ltd.), and when the magnets 3a and 3b are rubber magnets, those manufactured by Meiko Magnet Co., Ltd. can be used.

The handle 4 may be any shape that can be easily held by the operator, and the shape is not particularly defined. It is preferable to use a U-shape like a handle of a bag so that an operator can easily grasp it, and the opening side is fixed toward the main body 2. Position to attach the handle 4 to the body 2, in the asymmetrical position with respect to the center position of the overall length L ₁ of the dirt preventive cover 1 (center line a), in the case where the folded in mounting position, the magnet 3a, 3b is The distance from the center position is a distance d so as not to attract each other.

  The sheet-like main body 2 may have an area that covers at least a desired region where it is desired to prevent the adhesion of dirt on the outer peripheral surface of the steel sheet, and does not define the upper limit of the area. However, it is preferable to set the area to which the mounting method described later can be applied.

For example, the length of the case, the sheet-like body 2 has a width W coil width, length (magnets 3a, the magnet 3a from the full-length L _1, including the length of the 3b to prevent the fouling by skid shown in FIG. 5 and L _2, the length) obtained by subtracting the length _{L 2} of the magnet 3b, skid 7a, it may be the more outer 7b intervals.

  When the dirt prevention cover 1 is attached to the outer peripheral surface of the coil, the dirt prevention cover 1 is laid on the base 5 made of an elastic body placed on a horizontal floor as shown in FIG. Do not press). FIG. 3 is a diagram for explaining a mounting procedure when the magnets 3a and 3b of the dirt prevention cover 1 are attracted in parallel to the axial direction of the coil. 9 lowers the coil 6 (a).

  The coil 6 is pressed against the pedestal 5 made of an elastic body with the crane 9 so that a part of the coil 6 sinks to the pedestal 5, and the magnets 3a and 3b are brought into contact with and adsorbed to the outer peripheral surface of the coil 6, thereby forming The main body 2 is brought into close contact with the outer peripheral surface of the coil (b). The crane 6 on which the dirt prevention cover 1 is mounted is lifted by the crane 9 and placed on a lift car or a carriage (not shown) (c).

  The dimensions of the pedestal 5 and the type of elastic body and the dimensions of each part of the dirt prevention cover are such that the dirt prevention cover is attached by the sinking of the coil into the pedestal and the dirt is prevented from adhering. , Set appropriately considering the weight.

When the cover 1 for preventing dirt is rectangular and the magnets 3a and 3b are attracted in parallel to the axial direction of the coil with respect to the coil having the maximum width and the maximum outer diameter, the preferable dimensions of the respective parts are as follows. , the overall length _{L 1} is 2800 mm, the thickness t is 10 mm, the magnets 3a, each of 3b length _{L 2} 300 mm, the distance d from the center line a of the handle 4 is 500 mm. For example, when a sponge is used as the base material, the width K is 3000 mm, the length L is 3500 mm, and the thickness T is 1000 mm. When adsorbing magnet 3a, and 3b at right angles the axial direction of the coil, the total width W is 2800 mm, the total length _{L 1} is 2000mm in coil width. In this case, the magnets 3a and 3b are preferably rubber magnets.

  The coil 6 is lifted by the crane 9, and the worker can attach the dirt prevention cover 1 to the coil even if the magnets 3a and 3b are sequentially attracted to the coil or simultaneously attracted by a plurality of workers. Is possible.

  FIG. 4 is a diagram showing the effect of attaching the handle at an asymmetrical position when removing the dirt prevention cover from the coil when the magnets 3a and 3b are attracted in parallel to the axial direction of the coil. When the handle 4 is lifted (a) and the handle 4 is pulled downward by an operator or a robot (b), when the handle 4 is folded at the attached position over the entire length of the dirt prevention cover 1, the magnets 3a and 3b are used. Are not attached to each other, and are not attracted to each other, so that it is possible to save the trouble of pulling the magnets 3a and 3b apart when reusing.

  The dirt prevention cover according to the present invention may be used to prevent contact between the yard skid and the coil when the cover is placed on the coil yard. Since the outer periphery is prevented from being contaminated by using the cover at the time of conveyance, the effect of improving the yield and reducing the treatment cost by reducing the defective part cut can be obtained.

DESCRIPTION OF SYMBOLS 1 Dirt prevention cover 2 Sheet-like main body 3a, 3b Magnet 4 Handle 5 Base 6 Coil 7a, 7b Skid 8a, 8b Dirt 9 Crane W Dirt prevention cover width L ₁ Dirt prevention cover length t Dirt prevention Cover thickness T Pedestal thickness K Pedestal width L Pedestal length

Claims (5)

A dirty preventive cover the outer peripheral surface of the rolled steel sheet in a coil shape, said contamination prevention cover has a hand Tsu preparative attached to a sheet-shaped body and the sheet-like body, the outer periphery of said body steel sheet It has an area that covers the area where it is desired to prevent the adhesion of dirt on the surface, and is made of a material that can be deformed along the outer peripheral surface of the steel plate. has a magnet adhering the parts to the outer peripheral surface of the steel sheet, hand Tsu preparative above, contamination preventive cover, characterized in that attached to the asymmetric a position between said end portions.   The dirt prevention cover according to claim 1, wherein the magnet is attached to both ends of the main body so as to overlap the main body or to be connected to both end portions.   3. The dirt prevention cover according to claim 1, wherein the main body is made of a fibrous material.   The dirt prevention cover according to any one of claims 1 to 3, wherein the main body is made of an elastic material.   A method for attaching a dirt prevention cover according to any one of claims 1 to 4, wherein the dirt prevention cover is attached to an outer peripheral surface of a steel sheet wound in a coil shape. After laying an elastic body having a thickness that allows a part of the steel sheet to be buried, the dirt prevention cover is overlaid, and then the steel sheet wound in a coil shape is pressed from above. How to install the anti-smudge cover.

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