JP2535692B2 - Wire coil packing sheet winding device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a packing sheet winding device for a wire coil.

[0002]

2. Description of the Related Art Wire rods wound in a coil shape have been transported in the state of hot rolling, but in recent years, surface defects and rust during transportation have become a problem due to the trend toward higher quality products. It has become necessary to pack. As a method for packing a coil of wire wound in a coil shape, Japanese Patent Publication No. 62-18 / 1987
As disclosed in Japanese Patent No. 427, a method is known in which a rectangular synthetic fiber cloth is fixed to the surface of a wire rod coil by using a fastener and a string to cover the outer surface and end face of the wire rod coil. Further, as an apparatus, Japanese Patent Laid-Open No. 52-9
Band-shaped packaging material (bandage) disclosed in Japanese Patent No. 0382
And a device for winding and packing a gaiter in a gaiter-wrapping manner, and as disclosed in Japanese Utility Model Laid-Open No. 2-108807, a coil is inserted into a bag-shaped packing material opened by a bag-opening machine so that a wire coil Devices for coating surfaces and end faces are known.

[0003]

[Problems to be Solved by the Invention] Japanese Patent Publication No. 62-1842
According to the method disclosed in Japanese Patent Publication No. 7, the synthetic fiber must be prepared according to the dimensions of the wire rod coil before packing, and the cloth is coated on the wire rod coil with a fastener and a string or rope. There was a problem that the work itself had to be done by hand, and it was difficult to say that the coating itself was strong and that the inner peripheral surface of the wire rod coil could not be coated. In the method disclosed in Japanese Patent Laid-Open No. 52-90382, the band-shaped packaging material (bandage) serves as a buffer for the inner and outer surfaces of the wire coil and the end surface, but from the viewpoint of preventing moisture from entering rainwater during transportation and preventing rust. There was a problem that the seal of the band-shaped packaging material could not be completely sealed. Actual Kaihei 2
In the device disclosed in Japanese Patent Laid-Open No. 108807, a bag-shaped packing material matching the wire coil size must be prepared before packing, and the wire coil needs to be inserted into the opened bag material. , The material must be larger than the wire coil diameter, the material cost will not increase, the packing tare will not be strong, and the wire coil insertion and handling mechanism will be required, which complicates the device and increases the equipment cost. It was

[0004]

SUMMARY OF THE INVENTION The present invention advantageously solves the problems of the prior art described above.
A sheet loading carriage is placed on both sides of the wire coil axial direction so that it can move forward and backward, with a pair of cradle rolls on which the wire rod coil is placed and rotating, and a sheet feeding device is placed in front of the cradle roll to configure the seat loading. The trolley has a sheet forming member for shaping the left side portions of the sheet into a cylindrical shape, and a turning device that turns by holding the front end of the sheet, and the sheet feeding device has a sheet conveying device that holds and conveys the front end of the sheet. In the coil packing sheet winding device, the wire forming coil winding sheet winding device is characterized in that the sheet forming member can be expanded and contracted in a radial direction.

The present invention will be described below with reference to the drawings. FIG. 1 is an overall plan view illustrating an apparatus of the present invention, FIG. 2 is a side view thereof, FIG. 3 is a front view of essential parts, and FIG. , FIG. 4 (B)
Is a sectional view taken along line AA, and FIG. 5 is a front view for explaining a procedure for measuring the outer diameter of the wire rod coil. As shown in FIGS. 1 to 5, the device of the present invention includes a pair of cradle rolls 5 capable of rotating while the wire rod coil 1 is placed, and a sheet which can be moved forward and backward on both sides in the axial direction of the wire rod coil with the cradle rolls 5 interposed therebetween. The mounting carriage 9 is arranged, and the sheet feeding device 3 is arranged on the front surface of the cradle roll 5. The sheet mounting carriage 9 holds the sheet forming member 7 and the sheet front end, which form the remaining portions on both sides of the sheet into a cylindrical shape. The sheet feeding device 1 that has a turning device 15 that turns the sheet feeding device 3 and grips and feeds the front end of the sheet.
In the wire coil packaging sheet winding device having No. 4, the sheet forming member 7 can be expanded and contracted in the radial direction.

The two seat mounting carriages 9 according to the present invention are
An expandable / contractible sheet forming member 7 for forming a surplus portion at both ends of the sheet S into a cylindrical shape similar to the outer periphery of the wire coil 1.
And a swivel device 15 that swivels by gripping the front end of the seat,
A sheet crimping device 8 for crimping a crimping member to a sheet end portion. The sheet forming member 7 can be expanded and contracted according to the outer diameter of the wire rod coil 1 measured by the coil outer diameter measuring device 2. The sheet feeding device 3 is installed at the front position of the cradle roll 5, and is conveyed by the sheet conveying device 14 that grasps the front end of the sheet S by the grasping member 11 and conveys the sheet S to the front (right side in FIG. 3). The delivery device 18 has a front end portion of the sheet S which is grasped by the grasping member 12 and delivered to the turning device 15. Reference numeral 4 denotes a joining member adding device for adding a joining member to the rear end of the sheet S. The coil outer diameter measuring device 2 has a movable measuring member 2A that is placed on the cradle roll 5 and is in contact with the outer peripheral portion of the wire coil 1. 2B is a cylinder.

[0007]

The wire coil 1 placed on the cradle roll 5 is sandwiched by the coil outer diameter measuring member 2A attached to the tip of the coil outer diameter measuring device 2 in the circumferential direction of the coil, and is coiled by the linear measuring function. The outer diameter is measured. At this time, the packaging sheet forming member 7 is expanded or contracted according to the outer diameter of the coil based on the measured outer diameter information, and at the same time, the rotational speed of the turning drive unit 7A is adjusted.
As the expansion / contraction mechanism, for example, as shown in FIGS. 4 (A) and 4 (B), the feed screw 22 is rotated by the rotation drive device 20, and a large number of shafts are rotated via the transmission mechanism 21. The feed screw of each shaft is provided with a piece 23 that moves linearly by the rotation of the feed screw. By attaching the sheet forming member 7 to this piece, the sheet forming member 7 divided into a large number is synchronously expanded and contracted. It In the figure, 24 is a chain, 2
Reference numeral 5 is a sprocket, and 26 is a linear guide. In addition,
At this time, the outer diameter information may use information measured in advance by hand or the like. The packing sheet S is made by stacking two kinds of materials, that is, a cushioning cloth and a moisture-proof laminated paper, and is prepared so that the laminated paper becomes the surface when wound around the wire coil 1.

The packing sheet is not particularly limited as long as it has a cushioning function for preventing wire rod coil flaws and a moisture resistance function for preventing rust. Sheet feeding device 1 in which this packing sheet S is provided in the sheet feeding device 3.
4 is a gripping member 11 for conveyance, and a gripping member 12 for delivery is provided below the end of the sheet feeding device 3 on the wire rod coil 1 side.
When the transfer gripping member 12 grips the transfer gripping member 12, the gripping member 12 for transporting is separated, and the gripping member 12 is provided on the packing sheet forming member 7 for rotation.
Is rotated and moved, and the leading edge of the packing sheet S is delivered. When the rotating gripping member 13 grips the leading end of the packing sheet, the delivery gripping member 12 is released and returns to the initial standby position. The rotating gripping member 13 is a packing sheet S.
After gripping, the wire rod coil 1 is moved in the width direction, and tension is applied to the packing sheet S by a tension applying device mechanism (not shown).

Next, the wire rod coil 1 is rotated by rotating the cradle roll 5, and the packing sheet S is rotated by the packing sheet forming member 7 and the rotating gripping member 13 which rotate in synchronization with the rotation speed of the wire rod coil 1. Wire coil 1
And between the cradle roll 5 and wound around the wire coil 1. During this period, the rear end of the packing sheet is detected, the rotation of the wire coil 1 and the packing sheet forming member 7 is stopped, and the joining member attaching / detaching device 4 is used to attach the rear end of the packing sheet to, for example, an adhesive tape. The bonding material is attached. After that, the cradle roll 5 and the packing sheet forming member 7 are further rotated, the wire coil 1 is rotated once, and then the start and end of the packing sheet S positioned on the packing sheet forming members 7 at both ends are attached in advance. The crimping device 8 is inserted into the packaging sheet forming member for joining with the joining material. At this time, regarding the portion of the wire rod coil 1, when the wire rod coil 1 is rotated by the cradle roll 5,
It is not necessary to crimp again because the joints at the beginning and end are crimped by the self-weight of the.

After the winding is completed, the packing sheet molding members 7 located at both ends of the wire rod coil 1 are the sheet gripping members 13.
Is released and the seat mounting carriage 9 installed on the member moves the wire rod coil 1 away from the wire rod coil 1 to retract it.
The wire rod coil 1 in which the packing sheet is wound is placed on the cradle roll 5 and the sheet protrusions at both ends are pushed into the inner surface of the coil to
Packaged outer surface and end surface. This pushing operation may be performed manually, but a device having radial swing bar mechanisms arranged at both ends of the coil (for example, Japanese Patent Application No. 2-157).
It is also possible to carry out automatically according to 760).

[0011]

As described above, according to the present invention, the operation of covering a wire coil with a sheet can be automated, which is not only advantageous in terms of labor saving, but also leads to safety in operation. Further, there is a remarkable effect that all the outer circumference, end face, and inner circumference of the wire coil can be covered.

[Brief description of drawings]

1 is an overall plan view illustrating a device of the present invention, FIG.

FIG. 2 is a side view of the device of the present invention,

FIG. 3 is a front view of a main part of the device of the present invention,

FIG. 4A is a front view illustrating an expansion / contraction mechanism of a sheet forming member, FIG. 4B is a cross-sectional view taken along line AA of FIG.

FIG. 5 is a front view illustrating a procedure for measuring an outer diameter of a wire rod coil.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Wire coil 2 ... Coil outer diameter measuring device 2A ... Coil outer diameter measuring member 3 ... Sheet feeding device 4 ... Joining member adding device 5 ... Cradle roll 7 ... Packing sheet forming member 7A ... Rotating drive device 8 ... Sheet crimping Device 9 ... Sheet loading cart 10 ... Packing cart 11 ... Transport sheet gripping member 12 ... Transfer sheet gripping member 13 ... Winding sheet gripping member 14 ... Sheet transporting device 15 ... Swiveling device 18 ... Transfer device 20 ... Rotation drive device 21 … Transmission mechanism 22… Feed screw 23… Commercial 24… Chain 25… Sprocket 26… Linear guide

Claims (1)

(57) [Claims] 1. A sheet mounting carriage is arranged on both sides in the axial direction of the wire coil so as to be able to move forward and backward, with a pair of cradle rolls on which the wire coil is placed and rotating, and a sheet feeding device is arranged in front of the cradle roll. The seat mounting trolley has a sheet forming member that forms the remaining portions on both sides of the seat into a cylindrical shape and a turning device that grips and turns the front end of the seat, and the sheet feeding device holds and conveys the front end of the seat. A wire rod coil packing sheet winding device having a device, wherein the sheet forming member can be expanded and contracted in a radial direction.