JPH0718474Y2 - Automatic cutting machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to an automatic cutting machine, and more particularly to an automatic cutting machine for cutting a sheet material such as cloth with a laser beam.

[Conventional technology]

Conventionally, an automatic cutting machine has been known that automatically cuts sheet materials such as cloth and paper based on CAD data.

FIG. 3 shows such a conventional automatic cutting machine. In this automatic cutting machine, a laser oscillator 4 described later is placed outside. Above the cutting machine body 1 of this automatic cutting machine, a long head support 2 extending in the width direction of the cutting machine body 1 is provided in the conveying direction (X-axis direction) of a sheet material such as cloth not shown. The head support 2 is provided with a cutting head 3 formed of a processed lens or the like in the longitudinal direction (Y).
It is arranged so as to be reciprocally movable in the axial direction).

The laser oscillator 4 housed in a casing 5 is installed outside the cutting machine body 1 separately from the cutting machine body 1. Inside the casing 5 in the vicinity of the laser oscillator 4. A first mirror 6a that reflects the laser light L obtained by the laser oscillator 4 toward the cutter body 1 is provided in the. Further, a second mirror 6b for reflecting the laser light L reflected by the first mirror 6a in the X-axis direction is arranged above the cutting machine body 1, and inside the head support 2. Is the second mirror 6b
Third mirror 6 for reflecting the laser beam L from the laser beam in the Y-axis direction
c and a fourth mirror 6d for reflecting the laser light L from the third mirror 6c in the optical axis direction of the cutting head 3 are provided.

In the above-described conventional automatic cutting machine, a sheet material conveying device (not shown) conveys a predetermined sheet material to the cutting position on the cutting machine body 1, and in this state, the laser beam L obtained by the laser oscillator 4 is fed. The mirrors 6a, 6
It is sent to the cutting head 3 via b, 6c, 6d, and while the laser beam L is irradiated onto the surface of the sheet material by the cutting head 3, the head support 2 and the cutting head 3 are moved in the X-axis direction and the Y-axis direction. The sheet material is cut into a predetermined shape by moving the sheet material to an arbitrary position.

Further, FIG. 4 shows another conventional automatic cutting machine. In this automatic cutting machine, the laser oscillator 4 is attached to the main body 1 of the cutting machine.
It is built in. That is, the laser oscillator 4 is disposed below the inside of the cutter body 1 of the automatic cutter, and the laser light L is directed to the upper part of the cutter body 1 in the vicinity of the laser oscillator 4. A first mirror 6a that reflects in a substantially vertical direction is provided. Further, like the automatic cutting machine shown in FIG. 3 described above, the first mirror 6a is
The second mirror 6b for reflecting the laser light L reflected by the X-axis direction, the third mirror 6c for reflecting the laser light L from the second mirror 6b in the Y-axis direction, and the third mirror 6c Fourth mirrors 6d for reflecting the laser light L in the optical axis direction of the cutting head 3 are provided respectively.

Even in such an automatic cutting machine, the laser oscillator 4
The laser light L from the above is sent to the cutting head 3 through the respective mirrors 6a, 6b, 6c, 6d, and the surface of the sheet material conveyed to the predetermined cutting position by the cutting head 3 is irradiated with the laser light L. By moving the head support 2 and the cutting head 3 to arbitrary positions in the X-axis direction and the Y-axis direction, the sheet material is cut into a predetermined shape.

[Problems to be solved by the device]

However, in any of the above-mentioned conventional automatic cutting machines, the laser light L obtained by the laser oscillator 4 is reflected by the first mirror 6a to the second mirror 6b located above the cutting machine main body 1, and this second mirror Since the laser beam L is reflected by the third mirror 6c of the head support 2 by 6b, the optical path of the laser beam L is formed in the upper part of the cutter body 1 near the position of the eyes of the user. In addition, the optical path length of the laser light L is changed by the movement of the head support 2 in the X-axis direction, and is long when the head support 2 is located at the position farthest from the second mirror 6b. An optical path will be formed. Therefore, if the laser light L were to leak in the middle of such a long optical path, it would be extremely dangerous to the user and the safety for the user could not be secured. ing.

The present invention has been made in view of the above-described points, and even if the laser light leaks from the optical path of the laser light, there is no danger of harming the user, and the safety for the user is significantly improved. It is intended to provide an automatic cutting machine that can be improved.

[Means for Solving the Problems]

In order to achieve the above-mentioned object, an automatic cutting machine according to the present invention has a head support body disposed above a cutting machine body so as to be capable of reciprocating in a direction orthogonal to its longitudinal direction, and a cutting head is mounted on the head support body. In the automatic cutting machine, which is arranged reciprocally along the longitudinal direction of the head support, and in which a plurality of mirrors for sending laser light obtained by a laser oscillator to the cutting head are arranged in the cutting machine body. An optical path tube extending below the main body of the cutting machine is attached to one end of the head support, and a laser beam obtained by the laser oscillator is reflected in the moving direction of the head support. A mirror for allowing light to enter the lower end of the optical path tube through the other is provided, and another mirror for reflecting the laser light entering the inside of the optical path tube toward the cutting head through the inside of the optical path tube. It is characterized in that it has disposed over.

[Action]

According to the present invention having the above-described structure, when the sheet material is conveyed to the predetermined cutting position of the cutting machine main body, the laser beam from the laser oscillator is passed through the mirror to the optical path through the inside lower part of the cutting machine main body. The laser beam entering the optical path to the cutting head by a mirror and irradiating the surface of the sheet material with the laser beam by the cutting head, the head support and the cutting head are The sheet material can be cut into a predetermined shape by moving it in an arbitrary direction. Since the optical path of the laser light whose optical path length changes due to the movement of the head support passes under the inside of the cutting machine body, even if the laser light leaks in the middle of the optical path, the user's There is no danger of damaging the eyes, etc., and the safety for the user can be significantly improved.

〔Example〕

 Hereinafter, the present invention will be described with reference to the embodiments shown in the drawings.

FIG. 1 shows a first embodiment of an automatic cutting machine according to the present invention, in which an endless conveying device 7 is arranged inside the cutting machine body 1, and A supply roll 9 formed by winding a sheet material 8 such as a cloth is disposed above the outside on one end side. A drive sprocket 10 is fixed to a rotary shaft 9a of the supply roll 9, and a drive motor 11 arranged below the supply roll 9 is connected to the drive sprocket 10 via a chain 12. .
In addition, on the upper surface of the end portion on the supply roll 9 side of the conveying device 7,
A guide roller 13 that guides the sheet material 8 onto the upper surface of the conveying device 7 and is rotatably supported by the machine frame is provided. Then, the supply shaft 9 is rotated by rotating the rotary shaft 9a by the drive motor 11 via the chain 12 and the drive sprocket 10 to rotate the sheet material 8
Is supplied to the upper surface of the conveying device 7 along the guide roller 13.

Above the transport device 7, a long head support 2 extending in the width direction of the cutter body 1 is reciprocally movable in the transport direction (X-axis direction) of the sheet material 8. A cutting head 3 made of a processed lens or the like is provided inside the head support 2 so as to be reciprocally movable along the longitudinal direction (Y-axis direction) of the head support 2. .

Further, in this embodiment, an optical path tube 14 extending substantially vertically downward is fixed to one end of the head support 2, and the upper end of the optical path tube 14 is opened in the Y-axis direction. The lower end of the optical path tube 14 is opened in the X-axis direction.

In the lower portion of the cutter body 1, laser light L is emitted in the Y-axis direction with respect to one side of the cutter body 1 where the optical path tube 14 is located.
A laser oscillator 4 for irradiating the laser beam is provided, and a first mirror 6a for reflecting the laser beam L in the X-axis direction is provided near the laser oscillator 4. Further, at the inner lower end of the optical path tube 14, a second mirror 6b for vertically reflecting the laser light L reflected by the first mirror 6a.
Is provided, the inner upper end of the optical path tube 14,
A third mirror 6c for reflecting the laser light L from the second mirror 6b in the Y-axis direction is arranged, and a third mirror 6c from the third mirror 6c is provided inside the head support 2 in the vicinity of the cutting head 3. A fourth mirror 6d for reflecting the laser light L in the optical axis direction of the cutting head 3 is provided. In addition, each of the above-mentioned mirrors
The 6a, 6b, 6c and 6d can easily be finely adjusted in mounting angle.

Further, on the outside of the sheet material 8 of the cutting machine body 1 in the downstream side in the conveyance direction, a mounting table for placing the sheet material 8 after cutting
15 is provided, and an operation panel 16 for performing various operations such as operation of the drive motor 11, the transport device 7, and the laser oscillator 4 is separately provided near the cutting machine body 1. There is.

Next, the operation of this embodiment having the above-described configuration will be described.

First, the operation panel 16 is operated to drive the transport device 7, and the drive motor 11 is driven to rotationally drive the supply roll 9 in accordance with the movement amount of the transport device 7. 9 sheet material 8 is a guide roller
The sheet is guided by 13 and supplied onto the upper surface of the conveying device 7.

Subsequently, when the sheet material 8 is conveyed to a predetermined cutting position by the movement of the conveying device 7, the laser light L obtained by the laser oscillator 4 is cut through the respective mirrors 6a, 6b, 6c, 6d. The head support 2 and the cutting head 3 are fed to the head 3 and the surface of the sheet material 8 is irradiated with the laser light L by the cutting head 3 while the head support 2 and the cutting head 3 are moved in the X-axis direction and
The sheet material 8 can be cut into a predetermined shape by moving it to an arbitrary position in the axial direction. At this time, the optical path tube 14 is moved integrally with the movement of the head support 2, and the second mirror 6b is also used.
The optical path of the laser light L that is reflected by and reaches the third mirror 6c of the optical path tube 14 passes through the inside of the lower portion of the cutter body 1.
The sheet material 8 after the cutting is discharged to the mounting table 15 by the movement of the transport device 7.

As described above, according to this embodiment, the optical path of the laser light L reflected by the second mirror 6b to the third mirror 6c, and the optical path length of which is changed by the movement of the head support 2 passes through the lower portion of the cutter body 1. Since the laser light passes through the optical path, even if the laser light L leaks in the middle of the optical path, there is no danger of damaging the eyes of the user and the safety for the user can be significantly improved.

FIG. 2 shows a second embodiment of the present invention. In this embodiment, a laser oscillator 4 housed in a laser beam 5 is provided on one side of the cutting machine body 1 separately from the cutting machine body 1. is set up. A first mirror 6a for reflecting the laser light L in the X-axis direction is arranged near the laser oscillator 4 in the lower portion of the cutter body 1. Further, similarly to the first embodiment, the laser light L reflected by the first mirror 6a arranged at the lower end of the optical path tube 14 attached to one end of the head support 2 is reflected in the vertical direction. 2 mirror 6b,
A third mirror 6c arranged at the upper end of the optical path tube 14 for reflecting the laser light L from the second mirror 6b in the Y-axis direction, and the cutting head 3 for cutting the laser light L from the third mirror 6c.
Fourth mirrors 6d for reflecting the light in the optical axis direction are arranged respectively.

The rest of the configuration is the same as that of the first embodiment shown in FIG. 1 described above, and therefore its explanation is omitted.

Also in the present embodiment, as in the first embodiment described above, the laser light L from the laser oscillator 4 installed outside the cutting machine body 1 is passed through the mirrors 6a, 6b, 6c, 6d to the cutting machine. The head support 2 and the cutting head 3 are moved in the X-axis direction and the Y direction while being sent to the cutting head 3 by an optical path passing through the inside of the main body 1 and irradiating the surface of the sheet material 8 with the laser light L by the cutting head 3. Since the sheet material 8 is cut into a predetermined shape by moving it to an arbitrary position in the axial direction, even if the laser light L should leak in the middle of the optical path, the eyes of the user, etc. There is no danger of harm to the user and the safety for the user can be significantly improved.

It should be noted that the present invention is not limited to the above-described embodiment, and various modifications can be made if necessary.

[Effect of device]

As described above, in the automatic cutting machine according to the present invention, the laser light emitted from the laser oscillator is guided by being incident on the lower end portion of the optical path tube by the optical path passing through the lower part of the cutting machine body. Even if the laser light leaks in the middle of the optical path, there is no risk of damaging the eyes of the user, and the safety for the user can be significantly enhanced.

[Brief description of drawings]

1 is a perspective view showing a first embodiment of an automatic cutting machine according to the present invention, FIG. 2 is a perspective view showing a second embodiment of the present invention, and FIG.
FIG. 4 is a schematic perspective view showing a conventional automatic cutting machine, and FIG. 4 is a schematic perspective view showing another conventional automatic cutting machine. 1 ... Cutting machine body, 2 ... Head support, 3 ... Cutting head, 4 ... Laser oscillator, 6a, 6b, 6c, 6d ... Mirror,
7 ... conveying device, 8 ... sheet material, 9 ... supply roll,
14 ... Optical path tube, L ... Laser light.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Akira Munakata 8-2 Kokuryo-cho, Chofu-shi, Tokyo 1 Juki Co., Ltd. (72) Reichiro Ogawa 8-2 Kokuryo-cho, Chofu-shi, Tokyo 1 Within Juke Corporation

Claims (1)

[Scope of utility model registration request] 1. A head support is disposed above a cutting machine body so as to be reciprocally movable in a direction orthogonal to its longitudinal direction, and a cutting head is reciprocated on the head support along the longitudinal direction of the head support. An automatic cutting machine which is movably arranged and has a plurality of mirrors for sending laser light obtained by a laser oscillator to the cutting head in the cutting machine body, wherein the cutting machine is provided at one end of the head support. An optical path tube extending below the main body is attached, and the laser beam obtained by the laser oscillator is reflected in the moving direction of the head support and is made incident on the lower end of the optical path tube through below the cutting machine main body. An automatic cutting machine comprising a mirror and another mirror for reflecting the laser light entering the inside of the optical path tube through the inside of the optical path tube toward the cutting head.