JPH05270516A - Method and device for tucking in packing sheet for wire rod coil - Google Patents

Abstract

PURPOSE:To automatize the work of covering a wire rod coil with a sheet and enable packing the coil securely to protect it from scratches or rusting by a method wherein, when any part of the packing sheet projecting in the direction of the end of the coil is tucked into the inner cylindrical part, the relative position of the coil and the projecting part of the packing sheet is shifted toward the direction of the circumference. CONSTITUTION:A wire rod coil 1 is mounted on and rotated by a roll 11. A truck 6 is provided in a setup for it to face the axial direction of the roll 11, that is, an end 1A of the wire rod coil 1, and be moved forward and backward. Many swing bars 4, each of which is movable up and down slantingly, that is, in the directions 13, are provided radially at the front of the truck 6 with a linking mechanism 12 interposed therebetween. A base plate 2 of the linking mechanism 12 is rotated by the motor 17 of a gyration mechanism 23. The gyration mechanism 23 and the driving motor 15 of the roll 11 are both controlled by a controller 14. When any part of the sheet projecting in the direction of the end of the wire rod coil 1 is tucked into the inner cylindrical part, the relative position of the wire rod coil 1 and the projecting part of the packing sheet is shifted toward the direction of the circumference by the control of the gyration of the swing bars 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a coil packing sheet folding method and apparatus.

[0002]

2. Description of the Related Art Wire rods wound in a coil shape have been transported in the state of hot rolling as they are. In recent years, however, surface defects and rust during transportation have become a problem due to the trend toward higher quality products. It became necessary to pack. As a method of packing the wire rod coil wound into a coil, Japanese Patent Publication No. 62-1
As disclosed in Japanese Patent No. 8427, there is known a method of covering the outer surface and end surface of a wire rod coil by fixing a rectangular synthetic fiber cloth to the surface of the wire rod coil using a fastener and a string. Further, as an apparatus, Japanese Patent Laid-Open No.
No. 90382 discloses a device for wrapping a band-shaped packaging material (bandage) in a gaiter-wrapping manner, and as disclosed in Japanese Utility Model Publication No. 2-108807, the bag is opened by a bag opening machine. 2. Description of the Related Art There is known a device in which a coil is inserted into a bag-shaped packing material to cover the surface and end surface of a wire coil.

[0003]

[Problems to be Solved by the Invention] Japanese Patent Publication No. Sho 62-1842
According to the method disclosed in Japanese Patent Publication No. 7, a synthetic fiber cloth must be prepared according to the dimensions of the wire rod coil before packing, and the cloth is covered with the fastener and the cord or rope. However, there is a problem in that the work must be done manually, and the coating itself cannot be said to be strong, and the inner peripheral surface of the wire coil cannot be coated. Further, in the method disclosed in Japanese Patent Laid-Open No. 52-90382, a band-shaped packaging material (bandage) serves as a buffer for the inner and outer surfaces and end surfaces of the wire coil, but it is necessary to prevent moisture from entering rainwater during transportation and prevent rust. Therefore, there was a problem that the seal of the band-shaped packaging material could not be completely sealed.

In the apparatus disclosed in Japanese Utility Model Publication No. 2-108807, a bag-shaped packing material must be prepared in accordance with the wire coil size before packing, and the wire coil can be placed in the opened bag. Since it is necessary to insert the wire rod, the material must be larger than the wire rod coil diameter, the material cost increases, the packing tare is not strong, and the wire rod coil insertion handling mechanism is required, which complicates the device and the equipment cost. There was a problem of increase.

[0005]

The present invention advantageously solves the above-mentioned problems of the prior art, and the gist thereof is as follows.
(1) A wire rod coil packing method in which the outer peripheral surface of a wire rod coil is covered with a packing sheet, and the sheet protruding portion in the coil end surface direction is folded into the coil inner cylinder portion, when the sheet protruding portion in the coil end surface direction is folded into the coil inner cylinder portion. A method of folding a sheet for packing a wire coil, characterized in that the relative positions of the wire coil and the protruding portion are shifted in the circumferential direction, (2) a pair of rolls that can be rotated while the wire coil is placed, and a pair of rolls facing each other. And a carriage installed so as to be able to move forward and backward toward the end surface of the wire coil, and the carriage has a plurality of radial swing bars tiltable via a link mechanism on the front surface of the carriage to insert a sheet coil for packing wire coils. In the above, a turning mechanism for turning the swing bar in the coil circumferential direction and a control device having a function of giving a turning command to the turning mechanism are provided. Wire coil packing sheet folding apparatus, (3) the control device is the (2) wire coil packing sheet folding apparatus according having the function of giving a rotation command to a pair of rolls.

[0006]

The present invention will be described below with reference to the drawings. FIG. 1 is a side view illustrating the present invention. As illustrated in FIG. 1, the present invention is directed to a roll 11 on which a wire rod coil 1 is placed and rotated, and a trolley 6 installed so as to be able to move forward and backward so as to face the axial direction of the roll 11, that is, the end face 1A of the wire rod coil 1. The trolley 6 is provided with a large number of swing bars 4 which can be tilted in the direction of the arrow 13 in a radial direction on the front surface of the carriage 6 through the link mechanism 12.
It is possible to turn in the circumferential direction of the wire coil controlled by. The roll 11 is rotated by a roll turning motor 15 controlled by the controller 14. It is desirable that the carriage 6 is provided so as to travel on a rail 7 laid in the direction of the roll 11. 6A and 6B are wheels, 10 is a wheel 6
A motor that drives A to move the carriage 6 forward and backward, and 9 is a drive chain.

A sheet guide 8 provided close to the roll 11 is provided to prevent the packing sheet from hanging downward. The swing bar 4 is installed so that its rear end can be tilted through a swing joint 3 on a base plate 2 provided on the front surface of a carriage 6, and the length thereof is changed depending on the mounting portion. A plurality of swing joints 3 are radially arranged on the base plate 2 at equal intervals.
The number of swing bars 4 is provided. Base plate 2
A sliding block 20 is provided in the center of the cylinder 1
It is moved forward and backward by 8. A link mechanism 12 is constructed by connecting the same number of swing joints 19 as the swing bar 4 and swing joints 16 provided on the swing bar 4 to the sliding block 20 by means of a rod 21 on the outer periphery thereof. . Reference numeral 17 denotes a motor for turning the entire base plate 2 installed on the carriage 6, and the turning mechanism 23 is configured to apply the rotational force of the rotating shaft 5 of the motor 17 to the shaft 5A connected to the base plate 2.

FIG. 2 is a sectional view for explaining the packing of the wire rod coil by the device of the present invention. FIG. 1A shows the wire coil 1.
It shows a state in which the outer periphery of is covered with the packing sheet 24,
The sheet 24 is placed on the roll 11, the wire coil 1 is placed on the roll 24, and the sheet 24 is wound around the outer circumference thereof. The sheet 24 is wound around the outer circumference of the wire coil 1 while rotating the roll 11. (B) shows a state in which the trolley is moved forward with the swing bar 4 open and the swing bar is rotated in the direction of arrow 13A to squeeze the end portion of the seat 24, that is, a state of focusing. In (c), the carriage is moved forward in the state of (b), and the end of the seat 24 is pushed into the hollow portion of the wire rod coil 1 by using the tip of the swing bar 4 to cover the inner peripheral surface of the wire rod coil 1. Indicates the indented state. During this pushing operation, the base plate 2 having the swing bar 4 fixed thereto
By controlling the control device 14 to rotate the sheet 24, damage to the sheet 24 can be prevented, and a smooth pushing operation can be performed. Furthermore, the packing sheet 24 is creased and is closely attached to the wire coil inner hole. You can get the package.

As a method aiming at a similar effect, the swing bar 4 is not swung but the roll 11 is driven by the drive motor 11
There is also a method in which the wire rod coil 1 is rotated by rotating the wire rod coil A. (D) shows a state in which the operations of (a) to (c) are performed on the other end surface, that is, the packing shape of the wire rod coil 1 that has been packed. In order to achieve this state, the carriages are arranged on both sides in advance with the roll sandwiched, first the sheet on one side of the coil is pushed into the coil inner hole to hold the sheet with the swing bar, and then the sheet on the opposite side is held. Although it is preferable to push in the same operation, depending on the hardness of the seat, the same operation may be repeated by moving the carriage 6 to the opposite side after finishing the steps (a) to (c). It should be noted that the tip of the swing bar is preferably rounded so that the pushing operation can be smoothly performed without damaging the seat in the steps (b) and (c). Depending on the winding state of the coil, the sheet may be sandwiched between the swing bar and the wire coil, which may make the pushing operation difficult, so the swing bar should be made longer toward the upper side.

[0010]

As described above, according to the present invention, the work of covering the wire rod coil with the sheet can be automated, which is not only advantageous in terms of labor saving but also leads to the safety of the work. Further, there is a remarkable effect that all of the outer circumference, end surface and inner circumference of the wire rod coil can be covered. Furthermore, since the coating on the inner surface of the wire rod coil can be adhered to the inner surface of the coil, not only the packing appearance can be improved, but also when handling the coil after packing, when inserting a hook of a crane, etc. on the inner surface of the coil. We also aim to prevent scratches and scratches.

[Brief description of drawings]

FIG. 1 is a diagram showing an example of a device of the present invention,

FIG. 2 is a cross-sectional view illustrating packing of wire rod coils by the device of the present invention.

[Explanation of symbols]

 1 wire rod coil 2 base plate 3 swing joint 4 swing bar 5 rotating shaft 6 bogie 6A, 6B wheels 7 rail 8 seat guide 9 drive chain 10 motor 11 roll 12 link mechanism 13 arrow 14 control device 15 roll swing motor 16 swing joint 17 Motor 18 Cylinder 19 Swing Joint 20 Sliding Block 21 Rod 22 Packing Sheet 23 Swiveling Mechanism 24 Packing Sheet

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yukio Imai 1421-5 Hitomi, Kimitsu-shi, Chiba (72) Inventor Masato Kimura 1 Kimitsu, Kimitsu-shi, Chiba Nippon Steel Corporation Kimitsu Steel Co., Ltd.

Claims (3)

[Claims] 1. A wire rod coil packing method in which a packing sheet covers an outer peripheral surface of a wire rod coil and a sheet protruding portion in a coil end surface direction is folded into a coil inner cylinder portion, wherein a sheet protruding portion in a coil end surface direction is a coil inner cylinder portion. A method of folding a sheet for packing a wire coil, wherein the relative positions of the wire coil and the protruding portion are shifted in the circumferential direction when the wire coil is folded. 2. A pair of rolls capable of rotating while the wire rod coil is placed thereon, and a carriage installed so as to be able to move forward and backward toward the end surface of the wire rod coil facing the rolls. In a wire rod coil sheet folding apparatus provided with a large number of radial swing bars movable via a link mechanism, a swing mechanism for swinging the swing bars in the coil circumferential direction and a control having a function for giving a swing command to the swing mechanism A sheet folding device for packing a wire rod coil, which is provided with a device. 3. The sheet folding device for packing a wire rod coil according to claim 2, wherein the control device has a function of giving a rotation command to the pair of rolls.