JP4710114B2 - Continuous cutting method and apparatus for sheet material - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a continuous cutting method and apparatus for sheet-like material, and more specifically, continuously cuts a wide sheet-like material at an arbitrary width in a direction perpendicular to the longitudinal direction without cutting the terminal portion. The present invention relates to a continuous cutting method and an apparatus therefor.
[0002]
[Prior art]
Conventionally, when a wide sheet-like material is cut into a narrow width, a plurality of cutting devices are installed in a direction perpendicular to the feeding direction of the member, and the sheet-like material is divided into a plurality of pieces, stacked, or wound. And a method of cutting the sheet-like material in a zigzag manner by installing cutting blades of the cutting device in a zigzag on the left and right sides in a direction orthogonal to the feeding direction of the sheet-like material.
[0003]
[Problems to be solved by the invention]
However, in the conventional method, a large number of cutting devices and cutting blades are required, and it is difficult to cut a wide sheet-like material by changing it to an arbitrary width, and it is possible to manufacture a thin member without a continuous cut. There was a problem that was difficult.
[0004]
The object of the present invention is to cut a wide sheet-like material into an arbitrary width and cut continuously with a single cutting device and cutting blade, and continuously produce a continuous thin material member. Another object of the present invention is to provide a continuous cutting method and apparatus for sheet-like material that can be used.
[0005]
[Means for Solving the Problems]
In order to achieve the above-mentioned object, the continuous cutting method for a sheet-like material according to the present invention is capable of reciprocating a sheet-like material having a long width and a predetermined width that is conveyed, in the width direction of the material, A continuous cutting method for cutting continuously with an arbitrary width in a direction perpendicular to the longitudinal direction of the sheet-like material by using a cutter capable of ascending and descending without separating the terminal portion, wherein the conveyor conveys by the cutter of the cutting device when the material of the narrow continuously cut in the width direction of the sheet material toward the rear end from the front end of the sheet material conveyed by being sent at a predetermined pitch the sheet material in the longitudinal direction, The sheet material is cut while moving the cutter from one end side in the width direction to the other end side or from the other end side to the vicinity of the one end side, and the presence / absence inspection of the material provided at the front and rear portions in the rotation direction of the cutter is performed. When the material detection roll of the means falls off from the end of the sheet-like material, the detection sensor detects it and raises the cutter from the sheet-like material W via the lifting device, and further the reciprocating means of the cutting device When the cutter is moved to the terminal portion on the other end side without cutting the cutting terminal portion composed of the connecting portion of a predetermined length of the sheet-like material, and the first piece of the sheet-like material is cut in this way, then the sheet-like material The sheet-like material is fed out by one pitch in the longitudinal direction, and the cutter of the cutting device is moved from the end portion on the other end side of the sheet-like material W toward the one end side by the same operation as above to cut the cutting end portion. The gist of the invention is to continuously cut a narrow material in the width direction of the sheet-like material by cutting the material with a predetermined width and repeating such an operation .
[0006]
Further, the continuous cutting device for sheet-like material of the present invention is capable of reciprocating in a direction orthogonal to the conveying direction on the conveying conveyor for intermittently conveying the long sheet-shaped material, and The cutting device comprises a cutting device that can be moved up and down via a lifting device, and the cutting device includes a rotatable cutter at a central portion, and is connected to the lifting device at a predetermined interval in front and rear portions in the rotation direction of the cutter. A material presence / absence detection means is provided, and the material presence / absence detection means is composed of an elevating cylinder and a material detection roll connected to the tip of the elevating cylinder via a caster , and the material detection roll is provided on a terminal portion of the sheet-like material. It is a gist that the cutter is lifted from the sheet-like material by operating the lifting cylinder of the lifting device via the detection sensor. It is intended.
[0007]
A material pressing member that can be moved up and down is provided on the side of the cutting device on the material conveying direction side, the cutter is a rotatable disk cutter, and the material presence / absence detecting means is a rotating roller. It is a summary.
[0008]
The present invention is configured as described above, and a sheet-like material having a predetermined length and being conveyed is reciprocated in the width direction of the material, and can be moved up and down by a cutter of a cutting device. A continuous cutting method that cuts continuously without cutting the terminal portion at an arbitrary width in a direction orthogonal to the longitudinal direction of the sheet, and the tip of the sheet-like material that is conveyed by a conveyor by the cutter of the cutting device when continuously cut the material narrow in the width direction of the sheet material toward the rear end from being sent at a predetermined pitch the sheet material in the longitudinal direction, the other from one end side in the width direction of the sheet material The material detection roll of the material presence / absence detecting means provided at the front and rear portions in the rotation direction of the cutter cuts while moving the cutter from the vicinity of the end side or from the other end side to the vicinity of the one end side. When it falls off from the part, the detection sensor detects it and raises the cutter from the sheet-like material W via the lifting device, and further, the cutter of the cutting device is moved to the predetermined length of the sheet-like material via the reciprocating means. After the cutting terminal portion composed of the connecting portion is moved to the terminal portion on the other end side without being cut off, and the first piece of the sheet-like material is cut in this way, the sheet-like material is then sent out one pitch in the longitudinal direction, By moving the cutter of the cutting device from the terminal portion on the other end side of the material W toward the one end side in the same manner as described above, the sheet-shaped material is cut to a predetermined width without cutting the cutting terminal portion. by repeating the operation, since the material of the narrow width direction of the sheet material is continuously cut by single cutting device, cutting by changing the wide sheet material to an arbitrary width It is possible, continuously to produce a fine product member continuous, unbroken, in which can be supplied to the next step.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.
[0010]
FIG. 1 is a front view of a continuous cutting apparatus for carrying out the continuous cutting method of a sheet material embodying the present invention, FIG. 2 is a side view of FIG. A conveyor 2 that intermittently conveys the sheet-like material W, and a reciprocating movement on the conveyor 2 in a direction orthogonal to the conveying direction (X direction) of the sheet-like material W, and a cylinder or the like The cutting device 4 is configured to be lifted and lowered via the lifting device 3.
[0011]
In addition, a material pressing member 5 that can be moved up and down is provided on the side of the cutting device 4 on the material conveying direction X side, and a rotatable disk-shaped cutter 6 is provided in the center. Further, a material presence / absence detecting means 8 connected to the lifting / lowering device 3 is provided at a predetermined interval in the longitudinal direction of the travel.
[0012]
As shown in FIG. 1, the long sheet-like material W is installed in a meandering manner on a pallet 7 (or a carriage) below the gantry 1, and one end of the sheet-like material W is placed on the gantry. 1 is supplied to one end of a conveyor 2 such as a belt conveyor installed horizontally on the belt 1 and then sequentially supplied to the cutting device 4 side.
[0013]
Reference numeral 9 denotes a drive motor that rotationally drives the conveyor 2 via a transmission mechanism 9a such as a chain or sprocket. Reference numeral 10 denotes a pressing means for pressing the sheet-like material W onto the conveyor 2. The pressing means 10 includes An L-shaped swinging arm 13 that can turn around a fulcrum 12 is provided on the upper part of a support column 11 that is erected on the gantry 1, and a rotatable pressure roller 14 is provided at the tip of the swinging arm 13. A cylinder 15 that swings the pressure roller 14 is attached to the other end.
[0014]
As shown in FIGS. 2 to 4, the cutting device 4 is configured to convey the sheet-like material W along the guide rails 17 installed on the gate-shaped support frame 16 installed on the gantry 1 (X direction). The reciprocating means of the cutting device 4 is hung on the sprockets 18a and 18b attached to both ends of the support frame 16 and the sprockets 18a and 18b. The chain 19 is constituted by a rotated chain 19 and a drive motor 20 that rotationally drives the sprocket 18b via the chain 21. Both ends of the chain 19 are connected to the frame 4a of the cutting device 4 via metal fittings 22a and 22b. .
[0015]
Further, as a specific configuration of the cutting device 4, as shown in FIGS. 3 and 4, a cutter frame 23 is fixed to a lower portion of the frame 4a via a lifting device 3 such as a cylinder. A rotatable disk-shaped cutter 6 is attached to the lower part of the center via a bearing 24, and lift cylinders 25a and 25b are provided at the front and rear portions of the cutter 6 in the rotational direction, and casters 26a are provided at the tips of the lift cylinders 25a and 25b. , 26b, a pair of front and rear material presence / absence detection means 8 is provided.
[0016]
Further, a pedestal 29 having a cutting groove 28 having a concave cross section is installed on the gantry 1 below the disk-shaped cutter 6, and the cutting is performed with the cutter 6 applied to the side wall upper edge portion 28a of the cutting groove 28 at the time of cutting. The material pressing member 5 that performs so-called cut-off cutting and that is provided on the side of the cutting device 4 on the material conveying direction X side suppresses the sheet-like material W on the pedestal 29 as shown in FIG. Thus, it is configured to move up and down via the presser cylinder 30.
[0017]
Next, the continuous cutting method of the sheet-like material W is demonstrated, referring FIG. 5 (a), (b)-FIG.
[0018]
As shown in FIGS. 5 (a) and 5 (b), a sheet-like material W having an elongated shape and a predetermined width (in this embodiment, materials W1 and W2 having different widths) are conveyed. In the case of continuous cutting without separating the terminal portion in an arbitrary width in the direction orthogonal to the longitudinal direction, first, the sheet-like material W that is installed in a meandering manner on the pallet 7 (or the carriage) Holding the tip, it is supplied onto one end of the transport conveyor 2, and is guided to the lower part of the cutter 6 of the cutting device 4 by the rotational drive of the transport conveyor 2 with the presser means 10 pressing the tip of the sheet-like material W.
[0019]
In this state, the tip of the sheet-like material W is pressed against the pedestal 29 provided with the cutting groove 28 having a concave cross section on the gantry 1 by the material pressing member 5, and the cutter 6 of the cutting device 4 is moved via the lifting device 3. The reciprocating means is lowered to the position of the cutting groove 28 and the cutter 6 is applied to the side wall upper edge portion 28a of the cutting groove 28 and pressed against the sheet material W in the direction perpendicular to the conveying direction of the sheet material W. The sheet-like material W is cut and cut to a predetermined width from one end side to the other end side of the sheet-like material W while being run through. Note that S represents a cutting line.
[0020]
Then, the cutter 6 moves to the vicinity of the other end side end portion of the sheet-like material W, and the material detection roll 27b of the material presence / absence detecting means 8 provided at the front and rear portions in the rotation direction of the cutter 6 is sheet-like as shown in FIG. When the material W falls off from the terminal portion, a detection sensor (not shown) detects it, lifts the cutter 6 from the sheet-like material W via the lifting device 3, and further, the cutter 6 of the cutting device 4 via the reciprocating means. Is moved to the terminal portion on the other end side without cutting the cutting terminal portion made of the connecting portion Sa of the sheet material W having a predetermined length.
[0021]
When the first sheet S of the sheet-like material W is cut in this way, the sheet-like material W is then sent out one pitch P in the longitudinal direction as shown in FIG. By moving the cutter 6 of the cutting device 4 toward the side in the same manner as described above, cutting the sheet-like material W with a predetermined width without cutting the cutting terminal portion, and repeating such operations, the sheet The shaped material W can be continuously cut into strips (a continuous narrow thin member) .
[0022]
That is, according to the embodiment of the present invention, it is possible to change the wide sheet-like material W to an arbitrary width and cut it with a single cutting device, and continuously cut continuous thin material members. It can be manufactured and supplied to the next process.
[0023]
The sheet-like material W is not limited to a constant width as shown in FIGS. 5 and 6, and may be a sheet-like material Wa having a narrow width as shown in FIG. 7. It is possible to continuously cut into strips (continuous narrow members with no cuts) .
[0024]
In the embodiment of the present invention, as the sheet-like material, in addition to the industrial sheet-like material, a food-related sheet-like material is continuously cut into a strip-like shape (a continuous narrow continuous member). The present invention can be applied to cases, and the use is not particularly limited.
[0025]
【The invention's effect】
This invention is the longitudinal direction of a sheet-like material which can be moved back and forth in the width direction of the material, and can be moved up and down by a cutter of a cutting device which can be moved up and down. Is a continuous cutting method in which the terminal portion is continuously cut at an arbitrary width in a direction orthogonal to the terminal portion without being cut off, and is conveyed from the front end to the rear end of the sheet-like material conveyed by a conveying conveyor by the cutter of the cutting device when the material of the narrow continuously cut in the width direction of the sheet material toward the being sent at a predetermined pitch the sheet material in the longitudinal direction, the other end near the one end side in the width direction of the sheet material Or the material detection roll of the material presence / absence detection means provided at the front and rear portions in the rotation direction of the cutter is moved from above the terminal portion of the sheet-like material. When it is dropped, the detection sensor detects it and raises the cutter from the sheet-like material W via the lifting device, and further, the cutter of the cutting device is removed from the connecting portion of the predetermined length of the sheet-like material via the reciprocating means. The cutting terminal portion is moved to the terminal portion on the other end side without being cut, and when the first sheet-like material is cut in this way, the sheet-like material is then sent out one pitch in the longitudinal direction, By moving the cutter of the cutting device from the end portion on the other end side toward the one end side in the same manner as described above, the sheet material is cut to a predetermined width without cutting the cutting end portion, and such an operation is repeated. By carrying out the process, the narrow material is continuously cut in the width direction of the sheet-like material, so that the following excellent effects can be obtained.
(a) It is possible to cut a wide sheet-like material by changing it to an arbitrary width with a single cutting device. It can be continuously supplied in the width of the size according to the request.
(b) It is possible to cope with variations in the width of the sheet-like material to be cut, and if it is installed in each facility that uses thin materials, it can cut as much as necessary according to the amount used. Since it can, wasteful material is not generated.
(c) By changing the distance between the cutter and the material detection roll of the material presence / absence detection means, it is possible to change the remaining width of the end portion of the member, and to adjust the amount of biting when the folded portion is supplied to the extruder I can do it.
[Brief description of the drawings]
FIG. 1 is a front view of a continuous cutting apparatus for carrying out a continuous cutting method of a sheet material embodying the present invention.
FIG. 2 is a side view of FIG.
3 is an enlarged front view of a part A in FIG. 2;
4 is an enlarged side view of FIG. 3;
FIGS. 5A and 5B are explanatory diagrams for cutting two types of sheet-like materials having different widths. FIGS.
FIG. 6 is an explanatory diagram of a method for cutting a terminal portion of a sheet-like material.
FIG. 7 is an explanatory diagram for cutting a deformed sheet-like material.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Stand 2 Conveyor 3 Lifting device 4 Cutting device 5 Material pressing member 6 Cutter 7 Pallet 8 Material presence / absence detecting means 9 Drive motor 9a Transmission mechanism 10 Pressing means 11 Supporting column 11 Supporting point 13 Oscillating arm 14 Pressure roller 15 Cylinder 16 Support frame 17 Guide rail 18a, 18b Sprocket 19 Chain 20 Drive motor 21 Chain 22a, 22b Metal fitting 23 Cutter frame 24 Bearing 25a, 25b Lifting cylinder 26a, 26b Casters 27a, 27b Material detection roll 28 Cutting groove 28a Cutting groove side wall upper edge 29 30 Presser cylinder W Sheet material X Sheet material conveyance direction Y Travel direction of cutting device

Claims (4)

A long sheet and a predetermined width of the sheet material that is conveyed can be reciprocated in the width direction of the material, and can be moved to any width in the direction perpendicular to the longitudinal direction of the sheet material by a cutter that can be raised and lowered. A continuous cutting method for continuously cutting without cutting off the terminal portion, the width of the sheet-like material from the front end to the rear end of the sheet-like material conveyed by the conveyor of the cutter by the cutter of the cutting device when continuously cut the material narrow in the direction, while feeding at a predetermined pitch the sheet material in the longitudinal direction, one end side from one end side in the width direction of the sheet material other end near or from the other end, When the material detection roll of the material presence / absence detection means provided at the front and rear portions in the rotation direction of the cutter falls off from the end portion of the sheet material, it is detected when the cutter is moved toward the vicinity. Sir detects and raises the cutter from the sheet-like material W through the lifting device, and further cuts the cutting terminal portion comprising the connecting portion of the sheet-like material with a predetermined length through the reciprocating means. Without moving to the end portion on the other end side in this way, after cutting the first sheet-like material, the sheet-like material is then sent out one pitch in the longitudinal direction, and the end portion on the other end side of the sheet-like material W By moving the cutter of the cutting device toward the one end side from the one end to the one end side, cutting the sheet-like material with a predetermined width without cutting off the cutting terminal portion, and repeating this operation, the sheet-like material A continuous cutting method of a sheet-like material in which a narrow material is continuously cut in the width direction of the material . It consists of a conveyor that intermittently conveys a long sheet-like material, and a cutting device that can be reciprocated in a direction perpendicular to the conveying direction on this conveyor and can be moved up and down via a lifting device, The cutting device is provided with a rotatable cutter at the center, and provided with a material presence / absence detecting means connected to the lifting device at a predetermined interval on the front and rear portions in the rotation direction of the cutter, A lifting cylinder and a material detection roll connected to the tip of the lifting cylinder via a caster . When the material detection roll falls off from the terminal portion of the sheet-like material, the lifting device is lifted and lowered via the detection sensor. A continuous cutting device for a sheet-like material configured to operate a cylinder to raise the cutter from the sheet-like material.   The continuous cutting apparatus of the sheet-like material of Claim 2 which provided the material pressing member which can be raised / lowered in the side part of the material conveyance direction side of the said cutting device.   The continuous cutter for sheet-like material according to claim 2 or 3, wherein the cutter is a rotatable disk cutter.

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