JPH08119224A - Method and apparatus for taping outer periphery in packing metallic belt coil - Google Patents

Abstract

PURPOSE: To promote automation of packing by automating tape pasting operation to a coil outer diameter edge part by a robot. CONSTITUTION: A taping head to be attached at a tip of an arm of a robot comprises a tape holder 1 for holding an adhesive tape T, a press-fitting unit 2 for pushing the fed adhesive tape T against an outer peripheral face of a coil for adhesion, a cutter unit 3 for cutting the tape T at a desired position and a bending unit 4 for smoothing the tape T pushed and adhered to the outer peripheral face of the coil toward a coil side.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outer circumference taping method and a device for sticking an adhesive tape to an outer diameter edge portion in a metal band coil package after the outer band material is wrapped.

[0002]

2. Description of the Related Art Conventionally, when packing a metal strip coil such as a steel strip for shipping, it is necessary to wrap it with a waterproof outer peripheral paper and then attach an adhesive tape to the end portion or outer diameter edge portion of the outer peripheral paper. Is being done. Regarding packaging with outer peripheral paper, for example, in Japanese Patent Laid-Open No. 58-30912, a coil is held by holding a coil on a horizontal mandrel and winding a winding shaft around the outer peripheral paper around the coil, and then winding the outer peripheral paper into a coil. It is described to package. Further, in JP-A-61-232121, an outer peripheral paper that matches the coil size is prepared for the coil placed on the cradle roll, and an adhesive tape is attached to the tip of the outer peripheral paper in advance to attach the outer peripheral paper. It describes that it should be wrapped around a coil and packed.

Regarding the work of pre-adhering a tape having a required width to the front end portion of the outer peripheral paper for wrapping the metal strip coil, refer to Japanese Patent Publication No. 5-34221, entitled "Metal Coil Peripheral Paper Adhesive Tape Supply Device Row". Has been described. On the other hand, in the taping work according to the present invention, tape is attached to the outer diameter edge portion in order to prevent damage to the outer peripheral paper due to banding or the like. First, as shown in FIG. Is attached to the outer peripheral cylindrical surface portion so as to protrude to the outside, and then the protruding portion is bent and attached to the circular flat surface portion of the coil side surface. As shown in FIG. 9A, it may be attached over the entire circumference of the outer diameter edge, or as shown in FIG. 9B, it may be attached partially only at the banding position. In any case, the work is complicated because it is applied over two surfaces, and the fact is that it is done manually by the operator, which is one of the obstacles to automation.

[0004]

SUMMARY OF THE INVENTION It is an object of the present invention to automate the work of attaching a tape to the outer diameter edge portion by a robot to help promote automation of the packing work.

[0005]

The present invention as set forth in claim 1, wherein a metal strip coil is wrapped with an exterior material, and then an adhesive tape is attached to the outer diameter edge portion, the metal strip coil is applied to the floor. Hold it slightly higher than the surface,
The taping head of the robot approaches the outer diameter edge of the metal strip coil, rolls out the adhesive tape and sticks to the outer diameter edge while rotating and moving along the outer diameter edge of the coil. This is a method for taping an outer circumference in a metal coil coil packing, characterized in that it is adhered to the outer circumferential surface and side surfaces of a radial edge portion.

According to the second aspect of the present invention, half of the adhesive tape in the width direction is left and one half is adhered to the outer peripheral surface of the metal strip coil, and the other half is attached to the side surface of the metal strip coil. It is the outer peripheral taping method in the metal strip coil packaging according to claim 1, which is attached and adhered with. The present invention according to claim 3 is an outer peripheral taping device, in which a metal strip coil is wrapped with an exterior material, and then an adhesive tape is attached to an outer diameter edge portion, wherein the metal strip coil is placed in a down-end state with respect to a floor surface. A coil lift that holds it at a slightly higher position and an articulated robot with a taping head that performs taping work at the tip of the arm with the outer edge portion of the metal strip coil within the reach range near the metal strip coil. It is an outer peripheral taping device in a metal strip coil packaging characterized by being arranged.

According to a fourth aspect of the present invention, the taping head is a tape holder for holding a coiled adhesive tape so that it can be drawn out freely, and a pressure bonding for pressing the drawn out adhesive tape against the outer peripheral surface of the metal strip coil for adhesion. A unit,
A cutter unit that cuts the fed-out adhesive tape at an arbitrary position, and a bending unit that taps the adhesive tape pressed against the outer peripheral surface of the metal band coil to the side surface of the metal band coil. It is an outer peripheral taping device in the metal strip coil packaging according to Item 3.

According to a fifth aspect of the present invention, there is provided an outer peripheral taping device for packing a metal band coil according to the fourth aspect, wherein a feeding-out preventing means is provided on an outlet side of the tape holder. The present invention according to claim 6 is the outer circumference taping device for metal band coil packaging according to claim 4 or 5, which has a clamp means for winding and holding an adhesive tape around the cutter unit.

Further, the present invention according to claim 7 is the outer peripheral taping device for packing a metal band coil according to any one of claims 4 to 6, wherein the bending unit has a bending head made of a rubber plate.

[0010]

[Operation] According to the present invention, the coil is held at a position slightly higher than the floor surface so that the edge portion can approach the taping head of the robot over the entire circumference, and the coiled adhesive tape is fed to the taping head. A tape holder that holds freely, a pressure bonding unit that presses the drawn adhesive tape to the outer peripheral surface of the metal band coil for adhesion, a cutter unit that cuts the expanded adhesive tape at any position, and a metal band coil outer surface. Equipped with a bending unit that bends the adhesive tape that is pressed and adhered to the side of the coil, the taping head rotates and moves along the outer diameter edge of the coil while feeding the adhesive tape and adhering to the outer diameter edge part. After sticking the half of one side to the outer peripheral surface of the metal strip coil leaving the half in the width direction, the other half is the side surface of the metal strip coil. Since the tape is adhered by stroking toward, the robot can adhere the adhesive tape across the outer peripheral surface and the side surface of the outer diameter edge portion of the metal strip coil.

[0011]

An embodiment of the present invention will be described in detail with reference to the drawings. FIG. 1 is a front view showing the arrangement of the outer circumference taping device,
R is an articulated robot, H is a taping head attached to the tip of the arm, S is a saddle, L is a coil lift, and C is a coil.

An articulated robot R is arranged near the saddle S provided on the outlet side of the coil packing line so that the outer diameter edge of the coil C on the saddle is within the reachable range. The coil C is held at a position slightly higher than the floor surface by the coil lift L in a down-end state where the winding axis is horizontal, and the taping head H can approach the coil C over the entire circumference. In this state, the robot R detects the size and position of the coil C, the taping head H approaches a predetermined position of the coil edge portion, and taping is performed while the coil remains stationary.

Although the robot R is arranged on both sides of the coil C in this embodiment, it may be arranged only on one side and the coil C may be rotated 180 degrees to perform taping on each side. 2 is a front view of the taping head H, FIG. 3 is a plan view of the same, FIG. 4 is a side view thereof, and FIG. 5 is a perspective view for explaining the tape attachment state. 1 is a tape holder, 2 is a crimping unit, and 3 is a cutter. A unit, 4 is a folding unit, and T is a tape.

The tape T is coated on one side with an adhesive material, wound in a coil shape with the coated surface inside, and mounted on the tape holder 1. The tape T is rewound by the crimping unit 2 as described below. It is crimped to the coil edge. As for the positional relationship with the coil in the tape width direction, the center of the tape width is the coil edge position.
As shown in (a), one half of the tape T is adhered to the cylindrical outer peripheral surface of the coil C, leaving a half in the width direction of the tape T, and the other half is extended outside the coil C as it is. This is folded 90 degrees by the folding unit 4,
Taping is applied to the side surface of the coil to adhere it to the side surface of the coil C, and the state shown in FIG.

The tape holder 1 has a built-in bearing,
It is composed of a freely rotating rotary shaft 11 and a feeding-out preventing means 12 provided at a position where the tape is fed out a little.
Normally, if the tape is pulled from the front, the rotating shaft 11 rotates and the tape can be freely fed out.However, if it is desired to prevent this, the feeding-out preventing means 12 such as pressing the shoe against the roll around which the tape is wound 12 Prevents the tape from running and prevents it from being fed out.

The pressure-bonding unit 2 is composed of a pressure-bonding roll 21 and a pressure-bonding cylinder 22 for raising and lowering the pressure-bonding roll 21.
The tape T is pressed against the surface of the coil C from the surface on which the adhesive material is not applied, that is, the back surface, to adhere the tape C. The cutter unit 3 includes a clamp roll 31 and a clamp shoe 32 for winding and holding the tape T, and a tape cutter 33 that moves axially through the clamp shoe 32.
Moving cylinder 35 for moving these, opening and closing cylinder 36,
It is composed of a cutting cylinder 37 and a traverse cylinder 38.

Since the surface of the tape T on the side of the adhesive material is wrapped around the clamp roll 31, it is desirable to use a material that adheres to the surface to some extent. Also, when cutting the tape, the tape cutter 33
It is a consumable member that is replaced by damage because it is scratched by the tip of the, and is made of urethane rubber in this embodiment. On the other hand, the clamp shoe 32 holds the tape by sandwiching it between the clamp shoe 32 and the clamp roll 31, and is therefore made of nylon rubber having a high friction coefficient. A slit is provided in the center of the clamp shoe 32 in the axial direction.
Runs and cuts the tape T. The movement of each member of the cutter unit 3 will be described later with reference to FIG.

The folding head 41 attached to the folding unit 4 is a rubber plate which is attached at a slight inclination in this embodiment, but as described above, the tape T extending in the horizontal direction is bent to form the coil C. Since it is sufficient to make it stick to the side surface, pre-bend in the first step and
Two rubber rolls attached diagonally and vertically may be used so as to be adhered at the step, or a brush-like one in which a bundle of wires having soft waist is arranged may be used. In addition to these, pre-bending may be performed by air blowing from diagonally above.

FIG. 6 is a perspective view showing the movement of each part of the taping head H. As shown in FIG. The arrow a indicates the lifting and lowering of the crimp roll 21, which is operated by the crimp cylinder 22. The arrow b indicates the operation of the feeding prevention means 12. The arrow c indicates the movement of the cutter unit 3, that is, the horizontal movement in the direction perpendicular to the coil edge, which is performed by the movement cylinder 35. An arrow d indicates opening / closing of the clamp shoe 32, which is performed by the opening / closing cylinder 36. The arrow e indicates the movement of the tape cutter 33, which is performed by the cutting cylinder 37. An arrow f indicates a horizontal movement (traverse) of the cutter unit 3 in the coil edge direction, which is omitted in FIG. 6, but is performed by the traverse cylinder 38 shown in FIGS.

A procedure for taping the edge portion of the coil C by the taping head H having the above-described structure will be described with reference to FIGS. First, as shown in FIG. 7A, in the standby state, the tape T is unwound from the tape holder 1 and the tip is held by the cutter unit 3. The pressure roll 21 is on the upper surface of the table T. The position and size of the coil C are instructed to the robot, and the taping head H
When approaching this, first press roll 21 as shown in (b).
Moves down to adhere one part of the tape T to the surface of the coil C. At this time, if the tape T is freely drawn out from the tape holder 1, adhesion cannot be achieved. Therefore, the feeding-out preventing means 12 temporarily prevents the tape T from being fed out, and the tip of the tape T is released from the cutter unit 3.

Next, as shown in (C), the taping head H
While advancing in the reverse direction, the tip portion of the tape T released by the pressure bonding roll 21 is adhered to the coil C. When this is completed, taping head H this time as shown in (d).
Taps by rotating in the forward direction along the outer diameter of the coil. At this time, although not shown in this figure, the bending unit is lightly pressed against the coil edge, and the tape adhered to the outer peripheral surface of the coil is bent to adhere to the side surface of the coil. As described above with reference to FIG. 9, taping may be performed partially or on the entire circumference, and the taping head H rotates about 360 degrees along the outer circumference of the coil C on the entire circumference.

When taping is completed, the cutter unit 3 is temporarily moved to the position c in FIG. 6 as shown in FIG. 8 (e).
Direction, traverse through the back side of the tape T so that only the clamp roll 31 is on the right side of the tape T, and move forward to sandwich the tape T between the clamp roll 31 and the clamp shoe 32, as shown in (f). Then, the tape T is cut by the tape cutter 33. Since the lower side of the clamp shoe 32 is open without following the clamp roll 31, the lower side of the cut tape is released and drops on the surface of the coil c, so that the taping head H is further rotated in the forward direction and left. Bond the parts.

Since taping is completed as described above, (g)
As shown in FIG. 7 (a), the press roll 21 is first raised, and then the cutter unit 3 is traversed to the original position as shown in FIG. 7 (h), and the entire taping head H is rotationally moved in the reverse direction. Return to the state.

[0024]

According to the present invention, the work of attaching the adhesive tape to the outer diameter edge portion of the metal strip coil across the outer peripheral surface and the side surface can be carried out by the robot, so that automation of the packing work is promoted. It has the excellent effect of being performed.

[Brief description of drawings]

FIG. 1 is a front view showing an arrangement of an outer peripheral taping device according to an embodiment of the present invention.

FIG. 2 is a front view of the taping head according to the embodiment of the present invention.

FIG. 3 is a plan view of the taping head according to the embodiment of the present invention.

FIG. 4 is a side view of the taping head according to the embodiment of the present invention.

FIG. 5 is a perspective view showing a procedure of taping work in the embodiment of the present invention.

FIG. 6 is a perspective view showing the movement of each part of the taping head in the embodiment of the present invention.

FIG. 7 is a conceptual diagram showing the first half of the taping procedure in the embodiment of the present invention.

FIG. 8 is a conceptual diagram showing the latter half of the taping procedure in the embodiment of the present invention.

FIG. 9 is a perspective view showing types of taping work according to the present invention.

[Explanation of symbols]

 1 Tape Holder 2 Crimping Unit 3 Cutter Unit 4 Bending Unit 11 Rotating Shaft 12 Rollout Prevention Means 21 Crimping Roll 22 Crimping Cylinder 31 Clamp Roll 32 Clamp Shoe 33 Tape Cutter 35 Entry / Exit Cylinder 36 Closing Cylinder 37 Cutting Cylinder 38 Traverse Cylinder 41 Folding Head 42 In / out cylinder C Coil H Taping head L Coil lift R Robot S Saddle T Tape

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Shinji Fujino 1-chome, Mizushima Kawasaki-dori, Kurashiki-shi, Okayama Prefecture (no address) Inside the Mizushima Steel Works, Kawasaki Steel Co., Ltd. Chome (No house number) Inside Kawashima Steel Co., Ltd. Mizushima Steel Works (72) Inventor Kenichi Maegaki 1st house (No house number) Mizushima Kawasaki Dori, Kurashiki City, Okayama Prefecture Kawasaki Steel Co., Ltd. Inside Mizushima Steel Works (72) Inventor Haruyoshi Fujikawa 1-chome, Mizushima Kawasaki-dori, Kurashiki-shi, Okayama, Kawashima Steel Co., Ltd., Mizushima Works (72) Inventor, Yasuhiro Iwakami 1-chome, Mizushima-Kawasaki-dori, Kurashiki, Okayama, Affinity Package Co., Ltd. (72) Inventor Yasuhiro Shimoshima 1-8 Nishide-cho, Hyogo-ku, Kobe-shi, Hyogo Within Kobe Funabuchi Industry Co., Ltd. (72) Inventor Haruki Kitsuka Prefecture, Kobe City, Hyogo-ku, NISHIDE-cho 1-chome No. 8 Kobe docks within the Industry Co., Ltd.

Claims (7)

[Claims] 1. A peripheral taping method in which a metal strip coil is wrapped with an exterior material and then an adhesive tape is attached to an outer diameter edge portion, the metal strip coil is held at a position slightly higher than a floor surface, and a taping head of a robot is provided. Comes close to the outer diameter edge part of the metal band coil, and while sticking out the adhesive tape and adhering to the outer diameter edge part, it rotates and moves along the outer diameter edge of the coil, and the adhesive tape is moved to the outer diameter edge part of the metal band coil. An outer circumference taping method in a metal strip coil packaging, characterized in that it is adhered across the outer circumference surface and the side surface. 2. The adhesive tape is adhered to the outer peripheral surface of the metal strip coil while leaving one half in the width direction, and then the other half is adhered to the side surface of the metal strip coil. A method for taping the outer circumference of the metal band coil packaging described in. 3. A peripheral taping device for wrapping a metal strip coil (C) with an exterior material and then applying an adhesive tape to an outer diameter edge portion, wherein the metal strip coil (C) is placed on a floor surface in a down-end state. A coil lift (L) held at a slightly higher position and a taping head for taping the tip of the arm in the vicinity of the metal strip coil (C) with the outer diameter edge portion of the metal strip coil within the reachable range. An outer peripheral taping device in a metal strip coil packaging, in which an articulated robot (R) having (H) attached thereto is arranged. 4. A tape holder (1) in which a taping head (H) holds a coil-shaped adhesive tape (T) so that it can be drawn out freely, and the drawn-out adhesive tape (T) around the outer circumference of a metal band coil (C). A pressure bonding unit (2) for pressing and adhering to the surface, a cutter unit (3) for cutting the fed adhesive tape (T) at an arbitrary position, and an outer peripheral surface of the metal band coil (C) for adhering The outer peripheral taping device for packaging metal band coils according to claim 3, which comprises a bending unit (4) in which the adhesive tape is stroked toward the side surface of the metal band coil (C). 5. The outer peripheral taping device for packing a metal band coil according to claim 4, wherein the tape holder (1) is provided with a feed-out prevention means (12) on the output side. 6. The outer peripheral taping device for metal band coil packaging according to claim 4, further comprising a clamp means (31, 32) for winding and holding an adhesive tape (T) around the cutter unit (3). 7. The outer peripheral taping device for packing a metal strip coil according to claim 4, wherein the folding unit (4) has a folding head (41) made of a rubber plate.