JP2002059395A - Method and device for continuously cutting sheet-like material - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method and a device for continuously cutting a sheet-like material, capable of cutting a wide sheet-like material into the optional width and continuously manufacturing continuous thin members with no cut line by one cutting device and a cutting edge. SOLUTION: This continuous cutting device is constituted of a transport conveyor 2 for intermittently conveying a long sheet-like material W onto a stand 1, and a cutting device 4 capable of being reciprocated in a direction perpendicular to the conveying direction of the sheet-like material W and elevatable through an elevating device 3 such as a cylinder. An elevatable material pressing member 5 is installed on the side in the material conveying direction X of the cutting device 4, and a rotatable disc-shaped cutter 6 is provided in the central part. A material presence/absence detecting means 8 connected to the elevating device 3 is provided at a specified distance in the traveling longitudinal direction.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for continuously cutting a sheet-like material, and more particularly, to a method for cutting a wide sheet-like material at an arbitrary width in a direction perpendicular to its longitudinal direction. The present invention relates to a continuous cutting method for continuously cutting without separating and an apparatus therefor.

[0002]

2. Description of the Related Art Conventionally, when a wide sheet material is listed in a narrow width, a plurality of cutting devices are installed in a direction perpendicular to the feeding direction of the member, and the sheet material is divided into a plurality of pieces. , Stacking or winding, and cutting the sheet material in a zigzag manner by installing the cutting blades of the cutting device in a direction perpendicular to the feeding direction of the sheet material. Have been.

[0003]

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 to an arbitrary width. There is a problem that it is difficult to manufacture a thin member having no defect.

SUMMARY OF THE INVENTION It is an object of the present invention to make it possible to change a wide sheet-like material to an arbitrary width by using a single cutting device and a cutting blade, and to continuously connect thin objects continuously. It is an object of the present invention to provide a method and an apparatus for continuously cutting a sheet-like material that can be manufactured in a continuous manner.

[0005]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a continuous cutting method for a sheet-like material according to the present invention. A continuous cutting method for continuously cutting without cutting off a terminal portion at an arbitrary width in a direction orthogonal to a longitudinal direction, wherein a narrow material is continuously cut from a leading end of the conveyed sheet material. In doing so, the gist is to continuously cut the strip-shaped material into strips without cutting off the cutting end while feeding the sheet-shaped material at a constant pitch in the longitudinal direction.

Further, the continuous cutting device for sheet-like material according to the present invention has a conveying conveyor for intermittently conveying a long sheet-like material, and is capable of reciprocating on the conveying conveyor in a direction perpendicular to the conveying direction. And a cutting device that can be moved up and down via a lifting device, wherein the cutting device has a cutter at a central portion and is connected to the lifting device at a predetermined interval in the front-rear direction of travel. The point is that the provision is made.

[0007] A material pressing member which can be moved up and down is provided on a side portion of the cutting device on the side of the material conveying direction, the cutter is a rotatable disk cutter, and the material presence / absence detecting means is a rotating roller. The point is that there is something.

According to the present invention, when continuously cutting a narrow material from the leading end of a conveyed sheet material, the cutting is performed while feeding the sheet material at a constant pitch in the longitudinal direction. Since the strip is continuously cut into strips without separating the terminal, it is possible to change the width of a wide sheet-like material to an arbitrary width and cut it with a single cutting device. Object members can be manufactured continuously and supplied to the next step.

[0009]

Embodiments of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 is a front view of a continuous cutting apparatus for carrying out a continuous cutting method of a sheet material according to the present invention, and FIG. 2 is a side view of FIG.
A transport conveyor 2 for intermittently transporting a long sheet-like material W onto a gantry 1; and a reciprocable reciprocating member on the transport conveyor 2 in a direction orthogonal to the transport direction (X direction) of the sheet-like material W. And a cutting device 4 that can be raised and lowered via a lifting device 3 such as a cylinder.

A vertically movable material holding member 5 is provided on the side of the cutting device 4 on the material transport direction X side.
A rotatable disk-shaped cutter 6 is provided at the center. Further, there is provided a material presence / absence detecting means 8 connected to the elevating device 3 at a predetermined interval in the longitudinal direction of travel.

As shown in FIG. 1, the long sheet-like material W is stacked in a meandering manner on a pallet 7 (or a trolley) below the gantry 1, and one end of the sheet-like material W is provided. Is supplied on one end of a conveyor 2 such as a belt conveyor horizontally installed on the gantry 1 and then supplied to the cutting device 4 side.

Reference numeral 9 denotes a chain of the conveyor 2,
A drive motor 10, which is rotationally driven via a transmission mechanism 9a such as a sprocket, has a sheet-like material W on the transport conveyor 2.
The pressing means which presses down is shown, and this pressing means 10
An L-shaped swinging arm 13 is provided above a support 11 erected on the gantry 1 and is rotatable around a fulcrum 12. A rotatable pressure roller 14 is provided at the tip of the swinging arm 13.
And a cylinder 15 for swinging the pressure roller 14 is attached to the other end.

As shown in FIGS. 2 to 4, the cutting device 4 is configured to transport the sheet-like material W along a guide rail 17 provided on a portal-shaped support frame 16 installed on the gantry 1. It is suspended so as to be able to reciprocate in a direction (Y direction) orthogonal to the (X direction), and the reciprocating means of the cutting device 4 includes:
Sprocket 1 attached to both ends of support frame 16
8a and 18b, a chain 19 wound around the sprockets 18a and 18b, and a drive motor 20 for rotatingly driving the sprocket 18b via a chain 21. Both ends of the chain 19 are connected to the frame 4a of the cutting device 4. Are connected via metal fittings 22a and 22b.

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 disk-shaped cutter 6 rotatable via a bearing 24 at the lower center of the frame 23
At the front and rear portions of the cutter 6 in the rotation direction, lift cylinders 25a, 25b and casters 26a, 26b are attached to the tips of the lift cylinders 25a, 25b.
A pair of front and rear material detection means 8 is provided, which is composed of material detection rolls 27a and 27b attached via the same.

A pedestal 29 having a cutting groove 28 having a concave cross section is provided on the gantry 1 below the disk-shaped cutter 6, and the cutter 6 is applied to the upper edge 28a of the side wall of the cutting groove 28 during cutting. The material holding member 5 provided on the side of the cutting device 4 on the side of the material transport direction X performs a so-called slash-and-cut operation, as shown in FIG.
The sheet material W is suppressed on the sheet 9, and is configured to move up and down via a presser cylinder 30.

Next, a method for continuously cutting the sheet material W will be described with reference to FIGS. 5 (a) and 5 (b) to FIG.

As shown in FIGS. 5 (a) and 5 (b), a long sheet which is conveyed and has a predetermined width (in this embodiment, materials W1 and W2 of different widths are shown). Material W
Is continuously cut without cutting off the terminal portion at an arbitrary width in a direction orthogonal to the longitudinal direction thereof, firstly, a sheet-like material W stacked and installed in a meandering manner on a pallet 7 (or a trolley). The sheet is supplied onto one end of the conveyor 2 with the leading end of the sheet material W, and is guided to the lower portion of the cutter 6 of the cutting device 4 by rotating the conveyor 2 while the leading end of the sheet-like material W is pressed by the holding means 10.

In such a state, the leading end of the sheet-like material W is pressed by the material pressing member 5 into the cut groove 2 having a concave cross section on the gantry 1.
8, the cutter 6 of the cutting device 4 is lowered to the position of the cutting groove 28 via the elevating device 3, and the cutter 6 is applied to the upper edge portion 28a of the side wall of the cutting groove 28 to form a sheet. The sheet W is cut to a predetermined width from one end to the other end of the sheet W while being run through the reciprocating means in a direction orthogonal to the conveying direction of the sheet W while being pressed against the material W. Is what you do. S indicates a cutting line.

Then, the cutter 6 moves to the vicinity of the terminal on the other end side of the sheet material W, and the material detecting 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
When the sheet material W falls off from the end portion of the sheet material W as shown in FIG. 3, a detection sensor (not shown) detects the drop and raises the cutter 6 from the sheet material W via the elevating device 3, and further reciprocates. Through the cutter 6 of the cutting device 4
Is moved to the terminal on the other end side without cutting off the cutting terminal composed of the connecting portion Sa having a predetermined length of the sheet-like material W.

When the first sheet S of the sheet material W is cut in this way, the sheet material W is then sent out one pitch P in the longitudinal direction as shown in FIG. The cutter 6 of the cutting device 4 is moved by the same operation as described above from the portion to the one end side, and the sheet-like material W is cut into a predetermined width without separating the cutting end portion, and such an operation is repeated. Thus, the sheet material W can be continuously cut into strips.

That is, in the embodiment of the present invention, it is possible to cut a wide sheet-like material W by changing the width of the sheet material W to an arbitrary width by a single cutting device. It can be manufactured continuously and supplied to the next process.

The sheet material W is not limited to a fixed width as shown in FIGS. 5 and 6, but may be a sheet material having a partly narrow width as shown in FIG. Material W
It is possible to continuously cut into strips even in a.

Further, in the embodiment of the present invention, the sheet-like material may be applied not only to an industrial sheet-like material but also to a case where a sheet-like material related to food or the like is continuously cut into strips. It is possible, and the use is not particularly limited.

[0025]

According to the present invention, when continuously cutting a narrow material from the leading end of a sheet material conveyed as described above, the cutting terminal is fed while feeding the sheet material at a constant pitch in the longitudinal direction. Since the portion is continuously cut in a strip shape without separating the portion, the following excellent effects can be obtained. (a) .With a single cutting device, it is possible to change a wide sheet-like material to an arbitrary width and cut it. It can be supplied continuously in the width of the size according to the request. (b) Even if the width of the sheet material to be cut varies, it is possible to cope with it, and if it is installed in each facility that uses thin members, it is possible to cut only the necessary amount according to the usage amount As a result, no wasteful material is generated. (c). By changing the distance between the cutter and the material detection roll of the material presence / absence detection means, the width of the uncut portion of the end portion of the member can be changed, and the amount of bite when the folded portion is supplied to the extruder can be adjusted. Can be done.

[Brief description of the drawings]

FIG. 1 is a front view of a continuous cutting device for carrying out a continuous cutting method of a sheet material according to the present invention.

FIG. 2 is a side view of FIG.

FIG. 3 is an enlarged front view of a portion A in FIG. 2;

FIG. 4 is an enlarged side view of FIG. 3;

FIGS. 5A and 5B are explanatory diagrams when cutting two types of sheet materials having different widths.

FIG. 6 is an explanatory view of a method of cutting a terminal portion of a sheet material.

FIG. 7 is an explanatory diagram in a case where a deformed sheet material is cut.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Stand 2 Conveyor 3 Elevating device 4 Cutting device 5 Material holding member 6 Cutter 7 Pallet 8 Material presence / absence detecting means 9 Drive motor 9a Transmission mechanism 10 Holding means 11 Column 12 Support point 13 Swing arm 14 Pressure roller 15 Cylinder 16 Support frame 17 Guide rails 18a, 18b Sprocket 19 Chain 20 Drive motor 21 Chain 22a, 22b Bracket 23 Cutter frame 24 Bearing 25a, 25b Lifting cylinder 26a, 26b Casters 27a, 27b Material detection roll 28 Cutting groove 28a Side wall upper edge portion of cutting groove 29 Base 30 Pressing cylinder W Sheet-shaped material X Transfer direction of sheet-shaped material Y Running direction of cutting device

Claims (5)

[Claims] 1. A continuous cutting method for continuously cutting a conveyed long sheet material having a predetermined width at an arbitrary width in a direction orthogonal to the longitudinal direction without cutting off a terminal portion. When continuously cutting a narrow material from the leading end of the sheet material that is being conveyed, while feeding the sheet material at a constant pitch in the longitudinal direction, in a strip shape without separating the cutting end portion. A continuous cutting method for sheet-like materials that are cut continuously. 2. A transport conveyor for intermittently transporting a long sheet material, and a cutting device capable of reciprocating on the transport conveyor in a direction perpendicular to the transport direction and capable of moving up and down via a lifting device. A continuous cutter for cutting a sheet-like material, comprising: a cutter at a central portion; and a material presence / absence detecting means connected to the lifting / lowering device at predetermined intervals in a longitudinal direction of the cutter. 3. The continuous sheet material cutting apparatus according to claim 2, further comprising a vertically movable material pressing member provided on a side of the cutting apparatus on the material transport direction side. 4. The continuous cutting apparatus for a sheet-like material according to claim 2, wherein the cutter is a rotatable disk cutter. 5. The apparatus according to claim 2, wherein the material presence / absence detecting means is a rotating roller.