JP2002036168A - Infeed processing equipment for cylindrical bodies such as paper can containers - Google Patents

Abstract

(57) [Problem] The present invention relates to a blade-shaped portion formed in a curved shape such as a round shape, a square shape, a waveform, a saw-tooth shape, etc. in a non-straight shape at an opening or a peripheral wall of a cylindrical body formed in advance. The present invention relates to a cutting device for a cylinder such as a container made of paper can and the like, which is capable of forming a diagonal cut shape, a waveform, a saw-tooth shape, and the like, thereby enhancing the commercial value and improving the design. SOLUTION: A blade-shaped portion having a predetermined length formed in a curved shape other than a straight line such as a round shape, a square shape, a waveform, a saw-tooth shape and the like, and a fitted cylindrical body of a work material are rotated. An insertion shaft portion that allows cutting other than a straight line into the cylindrical body by the blade-shaped portion, and driving means for rolling or sliding the blade portion of the insertion shaft portion linked to the insertion shaft portion or the blade portion. And the configuration.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention belongs to the technical field of manufacturing paper containers and the like for packaging and housing commodities such as tea leaves and the like. The cutting edge is formed in a shape other than a straight line, such as a wavy or saw-toothed shape. The present invention relates to a cutting device.

[0002]

2. Description of the Related Art Conventionally, when a notch such as a corrugated or saw-toothed shape is formed in a peripheral wall of an opening or an intermediate peripheral wall of a container such as a paper container made of a round tube, an edge of a sheet forming a cylindrical container in advance is used. After cutting out the cuts such as corrugations, sawtooth shapes and round shapes in the middle,
After this sheet is rolled and formed into a tubular shape, the end of the formed tubular body is wrapped, a menco-shaped bottom body is fitted to the tubular body, and the bottom plate fitted to the wrapped portion is further locked. It formed a body.

[0003]

However, in the case of the conventional cutting method, since a single sheet is used, mass productivity is poor. In particular, a long paper can is formed in advance and this long paper can is used. It is difficult to make cuts such as the above-mentioned corrugations and saw-tooth shapes in the opening of the cylindrical body obtained by cutting to a certain size and the peripheral wall, and it is not possible to make a new cut with good appearance Met. Further, the above-mentioned cuts cannot be easily made in the cylindrical bodies having different diameters.

An object of the present invention is to solve the above-mentioned conventional problems, and an object of the present invention is to provide a blade-shaped portion having a fixed length such as a round shape, a square shape, a wavy shape, a saw-tooth shape, and the like. And a fitting shaft portion that rotates the cylindrical body of the workpiece and allows the blade-shaped portion to cut a waveform or the like into the cylindrical body, and a fitting that is linked to the fitting shaft portion or the blade-shaped portion. A round, square, corrugated, sawtooth opening is formed in a cylindrical body obtained by cutting a long paper can into a fixed size by a driving means for rolling the insertion shaft or sliding the blade-shaped part. It is an object of the present invention to provide a cylindrical body which can easily and surely make a novel cut such as a shape and has a high commercial value.

[0005]

As described above, the apparatus for cutting into a cylindrical body such as a paper can container according to the present invention has a round shape,
The blade-shaped portion having a predetermined length formed in a curved shape other than a straight line such as a square shape, a waveform, a sawtooth shape, and a fitted cylindrical body of the workpiece are rotated, and the blade-shaped portion is fitted to the tubular body. And a driving means for rolling or sliding the blade-shaped portion associated with the shaft-inserted portion or the blade-shaped portion.

In the apparatus for cutting into a cylindrical body such as a paper can container according to the present invention, the driving means is linked to the insertion shaft, and the blade is fixed to fix the blade to the insertion shaft. In some cases, a predetermined cut may be made by fitting the cylindrical body and rolling the cylindrical body into contact with the blade-shaped portion.

Further, the notch processing apparatus of the present invention, in which the driving means is linked to the blade-shaped portion and the fitting shaft portion is rotatable, while rotating the cylindrical body fitted to the fitting shaft portion, In some cases, a predetermined cut is made in the cylindrical body by sliding the abutted blade-shaped portion.

[0008]

According to the cutting device for a cylindrical body of a paper can container or the like according to the present invention, for example, an elliptical opening is formed by diagonally cutting the cylindrical body opening of the paper can container as shown in FIG. In this case, first, a cylindrical body made of a paper can or the like is fitted to the fitting / inserting shaft portion, and then the cylindrical body is rotated by predetermined driving means while the cutting blade is bent into a plane wave shape and abuts on the protruding blade-shaped portion. By moving and making a cut in the peripheral wall, the opening of the cylindrical body becomes an elliptical opening form by an oblique cut.

In the case described above, the cylindrical body is moved laterally while rotating the insertion shaft portion to make a cut.
By simply rotating the tubular body fitted to the fitting shaft portion at a fixed position, the driving means moves the entire blade-shaped portion sideways, and the same cut is made in the tubular body abutted and rotated against the same. In some cases.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of an apparatus for cutting into a cylindrical body such as a paper can container according to the present invention will be described with reference to the drawings. FIG. 1 shows that an insertion shaft portion is laterally moved to fix a blade-shaped portion. FIG. 2 is a front view of the machined state, FIG. 3 is a perspective view of the machined cylinder, and FIG. FIG. 5 is a plan view showing a processing state by the apparatus of an example in which only rotation is performed, FIG. 5 is a front view of the processing state of the apparatus, FIG. 6 is a plan view of a blade portion in which the cutting blade has a waveform, and FIG. FIG. 8 is a front view of a cylindrical body in which a notch is formed in an intermediate peripheral wall, and FIG. 9 is a plan view of a blade shape in which a plurality of hooks are used as a cutting blade. FIG. 10 and FIG. 10 are explanatory diagrams of a cylindrical body in which a cut is made at a hook-shaped blade portion. The processing apparatus according to the embodiment based on the above drawings includes a round shape, a square shape, a waveform, The blade-shaped portion 1 having a predetermined length formed in a curved shape other than a straight line such as a tooth shape, and the fitted cylindrical member 2 of the workpiece are rotated, and a straight line is formed on the cylindrical member 2 by the blade-shaped portion 1. And a driving means 4 for rolling the insertion shaft portion 3 linked to the insertion shaft portion 3.

The blade-shaped portion 1 has a predetermined length on the upper surface of the tool rest 5 and has a sharp cutting edge 1a having an upper edge protruding in a plane curved shape. 1
The opening of the cylinder 2 shown in FIG. 3 is obliquely cut off by rolling the cylinder 2 to form an incision.

The blade-shaped portion 1 may be a cutting blade 1b having a plane waveform shown in FIG. 6 or a cutting blade 1c having a plane sawtooth shape shown in FIG. 7, and further shown in FIG. As described above, a round cutout hole 6 formed by a circular hole end 1d may be formed in the middle of the peripheral wall of the cylindrical body 2 by a plane circular cutting blade.

Next, as the insertion shaft portion 3 into which the cylindrical body 2 is fitted, a rod-shaped shaft having a diameter capable of inserting and removing the cylindrical body 2 is used, and a diameter corresponding to the diameter of the cylindrical body 2 with respect to the main shaft portion. The main shaft portion is connected to a driving means 4 including a driving device for rotation and a rolling device for allowing lateral movement.

The cylindrical body 2 is formed by cutting a long spiral paper tube having a predetermined diameter into a predetermined size, or by winding a sheet-shaped paper plate into a cylindrical shape having a predetermined diameter. Use what you do. Furthermore, a synthetic resin cylinder may be used.

The cylindrical body 2 is formed by the processing apparatus according to the embodiment.
In the case of forming an oval opening, for example, when forming the opening of the cylindrical body 2 constituting the paper tube container with an oblique cutout as shown in the cylindrical body 2 in FIG. After the cylindrical body 2 made of a paper can or the like is fitted to the shaft portion 3, the cutting device 1a is bent into a plane curved shape and abuts against the protruding blade-shaped portion 1 while the rotating drive device and the laterally movable member can be moved. When the cylindrical body 2 is laterally moved while being rotated by the driving means 4 including a rolling device to make a cut in the peripheral wall of the opening, the opening of the cylindrical body 2 becomes obliquely cut off. It becomes an oval opening form. In addition, when the cutting edge 1b having a plane waveform shown in FIG. 6 is used, the cutting form of the peripheral wall of the opening of the cylindrical body 2 is set at the opening end of the waveform, and further, a cutting blade having a plane saw tooth shape shown in FIG. In the case of 1c, the cut form of the peripheral wall of the opening of the cylindrical body 2 is a sawtooth-shaped open end.

Further, as shown in FIG. 8, by using the blade-shaped portion 1 having a plane circular or triangular cutting blade, a design-like through hole or peep hole such as a circle or triangle is formed in the middle of the peripheral wall of the cylindrical body 2. The cut-out hole 6 can be opened, and the cut is made by fitting the cylindrical body 2 made of a paper can or the like into the insertion shaft portion 3 in the same manner as in the above embodiment, and then the cutting blade 1a is shaped like a plane circle or a triangle. The cylindrical body 2 is laterally moved while rotating the cylindrical body 2 by a driving means 4 including a driving device for rotation and a rolling device capable of laterally moving while being in contact with the blade-shaped portion 1 which is bent and projected. The through hole is opened.

As another embodiment of the present invention, as shown in FIGS. 4 and 5, a driving means 4 for enabling lateral movement is linked to the blade 1 and The cylinder 2 is fitted to the fitting shaft portion 3 by linking a drive motor for only rotation of the cylinder 2 and the cylinder 2 is further brought into contact with the blade-shaped portion 1.
The cutting may be performed while the blade-shaped portion 1 is moved laterally by the driving means 4.

Further, according to the present invention, as shown in FIG. 9 and FIG. 10, if the plane shape of the cutting blade 1e of the blade-shaped portion 1 is hook-shaped and the same cutting as in the above embodiment is performed, the cylindrical body 2 When the tubular body 2 is formed as a container, a similar opening edge of the hook-shaped portion 9 is formed on the lid 8 so that the opening edge of The hooks 7 and 9 are locked to each other to form a container having a lock mechanism.

[0019]

As described above, the apparatus for cutting into a cylindrical body such as a paper can container according to the present invention has a predetermined shape formed in a curved shape other than a straight line, such as a round shape, a square shape, a wavy shape, and a sawtooth shape. A blade having a length, and a fitting shaft portion for rotating the fitted cylindrical body of the workpiece so that a cut other than a straight line can be cut into the cylindrical body by the blade shaped part, Since it is composed of a driving means for rolling or sliding the blade portion of the fitted insertion shaft portion linked to the shaft portion or the blade-shaped portion, it is easy to cut the round shape or the like,
It is easy to form and excellent in mass productivity, and naturally forms a long paper can in advance and cuts this long paper can into a certain size. It is very easy to make a cut such as a saw-tooth shape, and it is also possible to make a new cut with a good appearance, and it is also easy to make the cut in a cylinder having a different diameter. At the same time, it has a unique effect of obtaining a cylinder having excellent design and high commercial value.

Further, according to the present invention, the driving means is linked to the insertion shaft, the blade is fixed, the cylinder is fitted to the insertion shaft, and the cylinder is rolled in contact with the blade. In this case, a predetermined cut may be made, and this embodiment has a practical effect that the device can be formed by a relatively simple and inexpensive mechanism.

Further, the notch processing apparatus of the present invention allows the driving means to be linked to the blade-shaped portion, enables the fitting shaft to rotate, and rotates the cylindrical body fitted to the fitting shaft while rotating the fitting. There is also a case where a predetermined cut is made in the cylindrical body by sliding the contacted blade-shaped portion, and the device can be formed by a simple and inexpensive mechanism as in the above-described embodiment. There is a practical effect that a cylindrical body having a cut can be formed.

[Brief description of the drawings]

FIG. 1 is a plan view showing an embodiment of an apparatus for cutting into a cylindrical body such as a paper can container according to the present invention, in which a fitting shaft portion can be rotated and laterally moved.

FIG. 2 is a front view of the embodiment.

FIG. 3 is a perspective view showing a cylindrical body after processing according to the embodiment.

FIG. 4 is a plan view of another example of the processing apparatus according to the present invention, in which the blade portion is configured to be able to move laterally.

FIG. 5 is a front view of the embodiment.

FIG. 6 is a plan view of an example in which the plane shape of the cutting blade of the blade-shaped portion according to the present invention has a waveform.

FIG. 7 is a plan view showing an example in which the plane shape of the cutting blade of the blade-shaped portion according to the present invention has a plane saw blade shape.

FIG. 8 is a front view of a cylindrical body having a round through hole opened in the middle of a peripheral wall by the processing apparatus according to the present invention.

FIG. 9 is a plan view of an example in which the plane shape of the cutting blade of the blade-shaped portion according to the present invention is a hook shape.

FIG. 10 is an explanatory view of a container formed by a cylindrical body having a hook-shaped notch according to the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Blade-shaped part 2 Cylindrical body 3 Fitting insertion shaft part 4 Driving means A Notch

Claims (3)

[Claims] 1. A blade having a predetermined length formed in a curved shape other than a straight line, such as a round shape, a square shape, a waveform, a saw-tooth shape, and the like, and a fitted cylindrical body of a workpiece are rotated. An insertion shaft portion that allows the blade portion to make a cut other than a straight line by the blade portion, and a drive for rolling or sliding the insertion shaft portion linked to the insertion shaft portion or the blade portion. Means for cutting into a cylinder such as a container made of paper can, characterized by comprising means. 2. A method according to claim 1, wherein the driving means is linked to the insertion shaft, the blade is fixed, the cylinder is fitted to the insertion shaft, and the cylinder is abutted and rolled on the blade. 2. The apparatus for cutting into a cylindrical body such as a paper can container according to claim 1, wherein a notch is formed. 3. The driving means is linked to the blade-shaped part.
A predetermined cut is made in the cylinder by rotating the cylinder inserted in the insertion shaft, rotating the cylinder fitted in the insertion shaft, and sliding the blade in contact with the cylinder. Item 3. An apparatus for cutting into a cylindrical body such as a paper can container according to Item 1.