JPH08309435A - Cutting device for coiled metal strip - Google Patents

Abstract

PURPOSE: To obtain a cutting device for coiled metal strip suitable for cutting the end part of metal strip of the outer peripheral part and inner peripheral part (inner diameter) in the longitudinal direction in a cutting device for coiled metal strip. CONSTITUTION: A device is provided with a wedge 4 to be inserted between coiled layers of a coiled metal strip 1, a wedge supporting machine 5 to support the wedge 4 and movable in the width direction of coiled metal strip 1, a metal strip cutting machine 9 and a supporting machine 10 for metal strip cutting machine movable in the width direction of coiled metal strip. By this device, the coiled metal strip is instantly cut without damaging.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for cutting a metal strip wound in a coil shape, and more particularly, for cutting an end portion in the longitudinal direction of a metal strip at an outer peripheral portion and an inner peripheral (inner diameter) portion of a coiled metal strip. Is a coil-shaped metal band cutting device suitable for.

[0002]

2. Description of the Related Art Various kinds of quality assurance inspections, sampling of test pieces, etc. are carried out by cutting the outer peripheral portion and the inner peripheral (inner diameter) portion of a coiled metal strip in the longitudinal direction. There is.

Conventionally, while rewinding in another process, inspection,
The main work was to collect test pieces, or to inspect and collect test pieces by manually cutting the metal strip by gas in the coil state.

As a technique for mechanizing these operations, there is a technique disclosed in Japanese Patent Laid-Open No. 4-75719.

The technique of this publication is applied to a metal strip in which the innermost end (the tip in the longitudinal direction of the metal strip) on the inner circumference (inner diameter) side of the coil-shaped metal strip is bent inward. The inner edge of the metal strip after holding the metal strip with the fingers and the sorting jig while rotating the inner circumference of the bent metal strip from the innermost end of the bent jig along the inner diameter. The part is extracted and cut.

[0006]

[Patent Document 1] Japanese Patent Application Laid-Open No. 4-75
The technique disclosed in Japanese Patent No. 719 can be applied only to a metal band in which the innermost end of the metal band is bent toward the inner diameter side, and further, from the coiled metal band to the inner peripheral side of the metal band. Since the end is pulled out and cut, if the width of the metal band is wide, it will be pulled out very long, it is easy to scratch the product side of the metal band, and the metal band extracted in a bamboo shape is returned to the original It was very difficult and the yield was poor.

In addition, in this type of cutting work, the length of a new defect caused by cutting is shortened as much as possible, and the inspection of a long range of flaws can be confirmed by the inspection of periodic defects such as roll flaws. It is necessary to meet the demands that it is possible to cut multiple times efficiently and that the sampling position of the test piece can be sampled from any position in the longitudinal direction of the metal strip under various manufacturing conditions. was there.

Further, in the inspection of the coil-shaped metal strip immediately after hot rolling, there has been a demand to inspect it as soon as possible even though the temperature is high.

[0009]

According to a first aspect of the present invention, a wedge to be inserted between winding layers of a coiled metal strip and a wedge are supported,
And a wedge supporting machine that is movable in the width direction of the coiled metal strip,
A coil-shaped metal band cutting device comprising: a metal band cutting machine; and a metal band cutting machine supporter that supports the metal band cutting machine and is movable in the width direction of the coil-shaped metal band.

According to a second aspect of the present invention, a wedge to be inserted between winding layers of the coiled metal strip, and a wedge that supports the wedge and is movable in the width direction of the coiled metal strip. A metal which is movable in the radial direction and a metal which is in a position facing the wedge through the metal strip, is movable in the radial direction of the coiled metal strip, and is movable in the width direction of the coiled metal strip. A coil-shaped metal band cutting device comprising: a band gripping machine, a metal band cutting machine, and a metal band cutting machine supporting device that supports the metal band cutting machine and is movable in the width direction of the coil-shaped metal band. is there.

The third invention of the present invention is the first invention or the second invention.
In addition to the invention, it is a cutting device for a coiled metal strip provided with two or more wedges.

[0012]

The present invention can be applied to both the outer peripheral portion and the inner peripheral (inner diameter) portion of the coil-shaped metal strip, and a wedge is inserted between the winding layers of the coil-shaped metal strip to form a metal between the metal strips. A gap is formed into which a band cutting machine can be inserted, and the metal band cutting machine is moved in the width direction of the coil-shaped metal band to cut.

For example, a wedge is inserted between the innermost end layer of the inner circumference of the winding layer and the next layer adjacent to the innermost layer to form a gap between the metal winding layers so that a metal band cutting machine can be inserted. The metal band cutting machine is moved in the width direction of the coiled metal band for cutting.

Wedges can be relatively easily inserted into the end layers such as the outer peripheral portion and the inner peripheral (inner diameter) portion of the coiled metal strip.
Moreover, the winding shape of the metal band (the winding shape of the coil) is not damaged.

As the metal band cutting machine, gas fusing, laser beam fusing, shearing method and the like are used. In this case, it is preferable that the fusing energy is directed in a direction that does not damage the metal band (product) on the non-cutting side. For example, when collecting a test piece from the inner end layer of the inner circumference, insert a fusing torch between the inner end layer of the metal band and the next layer adjacent to it, and in the direction without the metal band on the inner diameter side. It radiates energy toward.

When the energy cannot be directed in such a direction, it is preferable to insert a heat resistant mat, a heat resistant metal or the like on the non-cut side metal strip (product) side. This inserter is preferably provided close to the metal band cutting machine.

Similarly, in the case of securing the clearance by the shearing method, a wedge is used to form a clearance into which the nibler type blade on one side and its supporting member can be inserted.

When a test piece or the like is sampled while avoiding the front end or the rear end of the metal strip in the longitudinal direction, the wedge is inserted into the winding layer to be cut and cut, or a plurality of wedges are inserted after being inserted into the outermost end. In the latter case, preferably, the coiled metal strip is rotated, or the wedge and the wedge supporting machine, and the metal strip cutting machine and the supporting machine for the metal strip cutting machine are required. The cutting can be performed by rotating inward or outward.

The rotation of the coiled metal strip or the rotation of the wedge and the wedge support machine and the rotation of the metal strip cutter and the support machine for the metal strip cutter is also used for adjusting the length of the test piece or the like. It is possible.

Since the second invention has a function of moving the wedge in the radial direction of the coil-shaped metal strip, it is possible to increase the gap and reduce the size limitation of the metal strip cutting machine.
A high efficiency large cutting machine can be installed.

Further, since the contact portion between the wedge and the coiled metal strip can be reduced (for example, when the coil is rotated to change the cutting position, the wedge does not come into contact with the non-cut side metal strip). ), It is possible to minimize the damage to the product. Further, the load for rotation can be reduced.

Since the metal band can be held by the wedge and the metal band gripping machine, the distance between the cutting machine and the metal band can be kept constant, so that the metal band can be surely cut, and the cut piece (test piece etc.) after cutting. Can be quickly recovered from the coiled metal strip. In this case, preferably, the coiled metal strip is rotated, or the wedge, the wedge support machine, the metal strip gripping machine, and the metal strip cutter and the support machine for the metal strip cutter are rotated in the inner circumference or the outer circumference direction. By doing so, it is possible to continuously cut and collect the cut pieces.

According to the third aspect of the invention, by providing two wedges,
After inserting the two wedges, you can easily insert the one wedge by utilizing the gap, and even if the gap near the one wedge disappears by cutting, leaving one wedge in the winding layer Since it has been secured, the work of inserting the wedge can be reduced.

Although various other forms can be adopted, for example, by disposing a metal band cutting machine and a supporting device for the metal band cutting machine between the wedges, in the case of cutting a short length, the metal band is cut. It is possible to eliminate the need for coil rotation by moving the cutter and the metal band cutter supporter in the height direction or rotating the cutter in the inner or outer circumference, and further reduce the occurrence of scratches.

Further, it is possible to cut twice only by moving the metal band cutting machine and the support machine for the metal band cutting machine in the inner peripheral direction or the outer peripheral direction.

In still another method, after cutting, one wedge is left in the wound layer, another wedge and a metal band gripper are used to collect the cut pieces, and the coiled metal band is rotated. Alternatively, if the wedge, the wedge supporting machine, the metal band gripping machine, and the metal band cutting machine and the cutting machine supporting machine are rotated in the inner peripheral direction or the outer peripheral direction, a gap for the second and subsequent cutting is created. Eliminates the work of making a wedge and the work of adjusting the cutting position. And
Grip the metal strip again with another wedge and the metal strip gripper,
If you operate a metal band cutting machine, you can continue to cut and collect cut pieces. Therefore, by repeating these series of operations, it is possible to easily and continuously cut and collect the cut pieces.

[0027]

1 is a side view of a coiled metal band cutting apparatus according to an embodiment of the present invention, and FIG. 2 is a view of the apparatus shown in FIG. The wedge 4 is inserted between the innermost layer 2 of the inner peripheral portion of the coil-shaped metal strip 1 and the next layer 3 adjacent thereto by the wedge supporter 5 in the width direction of the metal strip, so that it is melted. A gap for inserting the metal band cutting machine 9 is secured, the metal band cutting machine 9 is cut while being fed in the width direction of the metal band by the metal band cutting machine supporter 10, and the inner circumference of the coiled metal band 1 is scratched. Collect test pieces for inspection or material testing.

The innermost layer 2 of the inner peripheral portion of the coiled metal strip 1,
The wedge 4 is set between the layer 3 and the next layer 3 adjacent thereto, the height of the wedge supporting machine 5 and the metal band cutting machine supporting machine 10 is changed due to the change of the outer diameter, and the coil having the same outer diameter is used. The height change of the wedge supporting machine 5 and the metal band cutting machine supporting machine 10 due to the change of the inner diameter is performed by the elevating device 12 below the main body 11 of the coiled metal band cutting device.

When the cutting length is not restricted, the lifting device 12 can adjust the position of the cutting a plurality of times.

Since the coiled metal strip 1 is placed on the coil skid 17, when the cutting is performed twice or more, the support 11 for the metal strip cutter is provided in the main body 11 of the coiled metal strip cutting device. A rotating mechanism (not shown) for rotating both the 10 and the wedge supporting device 5 in the inner peripheral direction or the outer peripheral direction.
Is preferably attached.

When the high temperature coiled metal strip 1 is moved while being placed on the coil skid 17, the cutting device for the coiled metal strip is retracted from the inside of the line by the carriage 13 so as to be damaged due to contact, Prevents damage from high heat from high heat metal strips.

FIG. 3 is a perspective view of a coiled metal band cutting device according to a second embodiment of the present invention. The wedge 4 is inserted by being fed in the width direction of the metal strip by the cylinder in the wedge support machine 5, and a gap for inserting the metal strip cutting machine 9 having a shearing blade at the tip thereof is secured, and the metal strip cutting machine 9 is inserted into the metal strip. A cylinder in the support machine 10 for the band cutting machine cuts the metal band while feeding it in the width direction, and inspects the inner circumference of the coiled metal band 1 for a scratch or a test piece for a material test.

In order to prevent the main body 11 of the coil-shaped metal band cutting device from moving due to the load of the insertion of the wedge 4, a carriage fixing machine 16 for clamping the floor surface with a cylinder is provided.

FIG. 4 is a side view of a coiled metal band cutting device according to a third embodiment of the present invention, FIG. 5 is a view of the device of FIG. 4 as seen in the direction of arrow B, and FIG. 6 is a view of the device of FIG. It is a conceptual diagram explaining movement. In this embodiment, a mechanism 6 for moving the wedge 4 in the radial direction of the coil-shaped metal strip 1 is attached to the wedge supporting machine 5, and the wedge 4 is provided.
Since there are two a and 4b and wedge support machines 5b and 5b, when cutting the same metal strip a plurality of times, for example, the time for inserting the wedge 4b can be shortened, and further the wedge 4b and the metal strip gripping machine 7 can be used. Since the mechanism 8 for holding the metal strip is attached to the wedge support machine 5b and has, the wedge 4b and the metal strip gripping machine 7 can grip the test piece or the like after the cutting so that the coiled metal strip 1 can be quickly recovered. is there.

The cut-out test piece taken out is released from the grip on the base 14 of the test piece and stored. The lifting device 15 for the pedestal of the test piece after cutting ensures the storage amount of the test piece,
It prevents the coiled metal strip from coming into contact with the cutting device.

Further, as shown in FIG. 4, the coiled metal strip 1
Is placed on the cradle roll 18, the coiled metal strip 1 can be rotated, so that the rotating function for rotating the wedge supporting machine 5 and the metal band cutting machine supporting machine 10 is not necessary.

Further, as shown in FIG. 5, a metal band cutting machine 9 is arranged between the wedges 4a and 4b.

FIG. 6A shows a state in which the wedge 4a is inserted between the innermost layer 2 of the inner peripheral portion of the coil-shaped metal strip 1 and the next layer 3 adjacent to the innermost layer 2.

FIG. 6B shows a state in which the wedge 4a is moved in the direction of increasing the gap by the mechanism 6 for moving the coiled metal strip 1 in the radial direction. The mechanism 6 for moving the wedge 4a in the radial direction of the coiled metal strip 1 includes a cylinder, a screw shaft,
It can be composed of a rotating mechanism having an eccentric shaft, one or more gears and the like, a pressure fluid for driving them, a motor and the like.

FIG. 6C shows a state in which the coiled metal strip 1 is rotated by the cradle roll 18 and the position of the wedge 4a is shifted to the sampling position of the test piece.

Incidentally, for example, when the metal strip has high rigidity and high strength, the slip resistance between the wedge and the metal strip is kept low so that the gap in the state (b) of FIG. 6 cannot be sufficiently large, or the cutting machine. Since the size is large, if the gap in the state (b) of FIG. 6 is insufficient, the gap may be increased again in the state (c).

FIG. 6D shows a state in which the new wedge 4b and the metal band gripping machine 7 are inserted into the gap between the innermost layer 2 and the next layer 3 adjacent to the innermost layer 2 so that a gap is formed in advance. The insertion is completed in time.

FIG. 6E shows a state in which the innermost layer 2 of the metal band is gripped by the wedge 4b and the metal band gripping machine 7 by the moving mechanism 8 for gripping the metal band. This moving mechanism 8 is a cylinder,
It can be composed of a screw shaft, a rotating mechanism having an eccentric shaft, one or more gears and the like, a pressure fluid for driving them, a motor and the like. Alternatively, a mechanism 6 for moving the wedge in the radial direction
It may be combined with.

If necessary, these two wedges 4a, 4
b may be moved in the radial direction at the same time to increase the gap with a small force.

In FIG. 6 (f), the metal band cutting machine 9 is inserted into the gap between the two wedges 4a and 4b, and the innermost layer 2 (test piece) of the metal band is gripped by the wedge 4b and the metal band gripping machine 7. The metal strip cutting machine 9 is in the state of being cut while being fed in the width direction of the metal strip by the metal strip cutting machine supporting device 10.

FIG. 6 (g) shows a state where the test piece is taken out from the coil-shaped metal band 1 by gripping it with the wedge 4b and the metal band gripping machine 7.

When a plurality of test pieces are required, the process is repeated from the state of (b) in FIG. 6 so that cutting and recovery of the test pieces can be performed continuously.

FIG. 7 is a perspective view showing an example of a moving machine 6 for moving the wedge 4 in the radial direction of the coiled metal strip 1 in the fourth embodiment of the present invention. The motor 61 for radial movement is rotated to rotate the screw shaft 62, and the slide base 64 on the slide guide 63 on the main body 11 is moved in the radial direction. In addition, a wedge 4 is formed in the width direction of the coiled metal strip 1.
To describe an example of a mechanism for feeding, the width direction moving motor 51 is rotated to rotate the screw shaft 52, and the slide base 54 on the slide guide 53 is moved in the radial direction.

FIG. 8 is a perspective view showing an example of a mobile unit 8 for gripping a metal band according to the fifth embodiment of the present invention. The metal band gripping machine 7 in which the moving cylinder 81 is moved by a high-pressure working fluid (not shown) and is fixed to the cylinder rod 82.
The slide base 83 coupled to is moved along the slide guide 84.

FIG. 9 is a perspective view of an end cutting device for coiled metal strips according to a sixth embodiment of the present invention. The function 6a for moving the wedge 4a in the radial direction has a built-in cylinder for moving the wedge 4a in the radial direction. 6b is a moving mechanism 8 for gripping the metal band between the metal band gripping machine 7 and the wedge 4b, and the wedge 4
Is a type that is also used as a mechanism 6 for moving the
It has a built-in cylinder.

Although each of the examples is applied to the inner peripheral portion of the coil-shaped metal strip, it can also be applied to the outer peripheral portion of the coil-shaped metal strip.

[0052]

Industrial Applicability According to the present invention, since the metal strip is not extracted and cut, the yield is not reduced, the coiled metal strip is not scratched, and the metal strip can be cut immediately even at a high temperature.

[Brief description of drawings]

FIG. 1 is a side view of a coiled metal band cutting device according to an embodiment of the present invention.

2 is a view on arrow A of the apparatus of FIG. 1. FIG.

FIG. 3 is a side view of a coiled metal band cutting device according to a second embodiment of the present invention.

FIG. 4 is an overall view of a coiled metal band cutting device according to a third embodiment of the present invention.

5 is a view on arrow B of the apparatus of FIG. 4. FIG.

FIG. 6 is a conceptual diagram illustrating the operation of the device of FIG.

FIG. 7 is a perspective view of a fourth embodiment of a moving machine 6 for moving the wedge 4 of the present invention in the radial direction of the coiled metal strip 1.

FIG. 8 is a fifth part of a mobile device 8 for gripping a metal band according to the present invention.
It is a perspective view of an Example.

FIG. 9 is a perspective view of a coiled metal band cutting device according to a sixth embodiment of the present invention.

[Explanation of symbols]

1 Coil Metal Band 2 Innermost Layer of Coil Metal Band 3 Next Layer of Inner Layer of Coil Metal Band 4 Wedge 5 Wedge Supporter 6 Mobile Machine of Wedge in Coil Radial Direction 7 Metal Band Grip Machine 8 Metal Band Grip For moving 9 Metal band cutting machine 10 Supporting machine for metal band cutting machine 11 Main body of cutting device for coiled metal band 12 Lifting device for main body of cutting device for coiled metal band 13 For cutting device for coiled metal band Cart for moving 14 Cradle for test piece after cutting 15 Lifting device for cradling test piece after cutting 16 Fixing machine for moving cart cutting device for coiled metal strip 17 Coil skid 18 Cradle roll

Claims (3)

[Claims] 1. A wedge to be inserted between winding layers of a coiled metal strip, a wedge supporter that supports the wedge and is movable in the width direction of the coiled metal strip, a metal strip cutter, and a metal strip. A device for cutting a coiled metal strip, comprising: a supporter for a metal strip cutting machine, which supports the cutting machine and is movable in the width direction of the coiled metal strip. 2. A wedge to be inserted between winding layers of the coiled metal strip, the wedge being supported, movable in the width direction of the coiled metal strip, and further movable in the radial direction of the coiled metal strip. A wedge supporting device, a metal band gripping device that is in a position facing the wedge through the metal band, is movable in the radial direction of the coiled metal band, and is also movable in the width direction of the coiled metal band; A device for cutting a coiled metal band, comprising: a band cutting machine; and a supporter for the metal band cutting machine, which supports the metal band cutting machine and is movable in the width direction of the coiled metal band. 3. The coiled metal band cutting device according to claim 1, further comprising two or more wedges.