JPH11239993A - Cutting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simplify and ensure installation in a paper cutting part of a paper guillotine or an automatic binding machine by remarkable miniaturization and lightening, to simplify a cutting process and to cut paper and the like efficiently and reliably. SOLUTION: A ram 3 with a cutting blade 2 for cutting paper and the like attached to its support member 1 side is rockingly supported on one side of the support member 1 with an adequate length through a rocking plate 4 at its one end and a rocking arm 5 at its another end, and a driving body 9 structured by coupling a long screw rod 8 to a rotation shaft 7 of a reversible motor 6 is supported on another side of the support member 1 so that another side of the rocking arm 5 is rockingly interlocked with the screw rod 8.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is mainly applied to a paper cutting machine such as a paper cutting machine for copy paper and an automatic bookbinding machine for performing everything from paper cutting to bookbinding, thereby efficiently and reliably cutting paper. The present invention relates to a cutting device suitable for performing the cutting.

[0002]

2. Description of the Related Art Conventionally, the present applicant has already proposed and registered a registered utility model No. 1895880 (Japanese Utility Model Publication No. 3-18160).
Is known.

[0003]

However, the conventional cutting machine cuts a relatively large number of sheets of paper that are appropriately bundled together, and includes a paper / document holding mechanism, a link mechanism, a brake, a speed reduction mechanism, and the like. Is installed, it is inevitably large and heavy, and it cannot be easily and reliably installed in the paper cutting section of a paper cutting machine or an automatic bookbinding machine. However, paper was not efficiently and reliably cut.

The object of the present invention has been made in view of the above-mentioned point of view, and is intended to reduce the size and weight of the apparatus and to provide a simple and easy-to-use paper cutting section for a paper cutting machine or an automatic bookbinding machine. It is an object of the present invention to provide a cutting apparatus which not only allows the paper to be securely installed but also simplifies a paper cutting process and can cut paper efficiently and reliably.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, a cutting apparatus according to the present invention is provided on one side of a supporting member having an appropriate length, and on the supporting member side, a cutting for paper cutting is performed. A ram to which the blade is attached is swingably supported at one end by a swinging plate and at the other end by one end of a swing arm to the support member side. A driving body having a long screw rod connected to the rotation shaft of the reverse rotation motor is supported by the screw rod such that the other end of the swing arm is swingably linked.

[0006] Further, a swinging mechanism in which a forward / reverse rotation motor side of a driving body is supported at one end of a support member via a support plate, and one end is supported at the other end of the support member at the other end of the ram. The vicinity of one end of the moving arm is swingably supported by a shaft pin, and the other end of the swing arm is swingably supported by a screw rod of a driving body via a moving nut. At the other end of the member,
A limit switch having a reverse rotation changeover switch piece of the forward / reverse rotation motor at a front end and a disconnection switch piece of the forward / reverse rotation motor is provided at a longitudinal center portion.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below. The present invention is applied to a paper cutting machine such as a paper cutting machine for copy paper or an automatic bookbinding machine for performing everything from paper cutting to bookbinding. A state in which cutting is performed well and reliably will be described with reference to the drawings.

In the cutting apparatus of the present invention, as shown in FIGS. 1 to 3, one side of a supporting member 1 having an appropriate length is provided with a cutting blade 2 for cutting papers on the supporting member 1 side. The ram 3 is swingably supported to the support member 1 side via a swing plate 4 at one end portion and one end side of a swing arm 5 at the other end portion, and on the other side of the support member 1, A driving body 9 having a long screw rod 8 connected to a rotating shaft 7 of the forward / reverse rotation motor 6 is supported by the screw rod 8 such that the other end of the swing arm 5 is swingably linked.

A driving member 9 is provided at one end of the support member 1.
, Supporting the forward / reverse rotation motor 6 side via a support plate 10,
At the other end of the support member 1, the vicinity of one end of a swing arm 5, one end of which is supported by the other end of the ram 3, is swingably supported by a shaft pin 11. The other end is swingably supported by a screw rod 8 of a driving body 9 via a moving nut 12, and a reverse rotation changeover switch piece of the forward / reverse rotation motor 6 is provided at the other end of the support member 1. 13 is provided with a limit switch 15 having a disconnection switch piece 14 of the forward / reverse rotation motor 6 at the center in the longitudinal direction.

[0010] That is, the cutting apparatus of the present invention is shown in Figs.
As shown in FIG. 2, the state in which the forward / reverse rotation motor 6 is installed vertically in the lower direction will be described. A cutting blade 2 for cutting paper and the like is provided above the supporting member 1 having an appropriate length.
The ram 3 to which the is mounted is swingable obliquely to the support member 1 side via the upper end side of a swing plate 4 at the left end and a pair of front and rear swing arms 5 having a substantially rectangular shape at the right end. To support. In this case, the lower end of the oscillating plate 4 is supported by the support member 1 with the shaft pin 16, and the upper end of the oscillating plate 4 is supported by the ram 3 with the shaft pin 17. Is supported on the support member 1 by a shaft pin 11, and the upper end of each swing arm 5 is supported on the ram 3 by a shaft pin 18.

Also, near the left and right ends of the support member 1,
A pair of front and rear guide plates 19 and 20 for guiding the swinging of the ram 3 when cutting the paper are attached so as to sandwich the ram 3 from the front and rear sides. Notches 21 are provided to prevent the upper end of each swing arm 5 from hitting during swing.

On the lower side of the support member 1, a driving body 9 having a long screw rod 8 connected to a rotation shaft 7 of a forward / reverse rotation motor 6 is attached to the driving rod 9 of the swing arm 5 on the screw rod 8. The lower end is supported so that it can swing freely. In this case, the forward / reverse rotation motor 6 side of the driving body 9 is attached to the left end of the support member 1.
The swinging arm 5 is swingably supported on the support plate 10 via a shaft pin 22, and the vicinity of the upper end of each swing arm 5 whose upper end is supported by the right end of the ram 3 is located on the right end of the support member 1. The swing arm 5 is swingably supported at 11, and the lower end of each swing arm 5 is swingably supported by the screw rod 8 of the driving body 9 and the moving nut 12 via the shaft pin 25. At the right end of member 1,
The reverse rotation changeover switch piece 1 of the forward / reverse rotation motor 6 is provided at the tip.
3, and a limit switch 15 having a disconnecting switch piece 14 of the forward / reverse rotation motor 6 at the center in the longitudinal direction is formed.

Reference numeral 23 denotes a holding frame for the forward / reverse rotation motor 6, reference numeral 24 denotes a bearing for the screw rod 8, and reference numeral 26 denotes a rubber blade cushioning material.

Next, the operation of the cutting apparatus according to the present invention will be described. As shown in FIG.
1 and FIG. 2, the forward / reverse rotation motor 6 is installed in the vertical direction such as the lower side or the upper side, or the forward / reverse rotation motor 6 is installed in the horizontal direction such as the front side or the rear side. As shown, first, the forward / reverse rotation motor 6 of the driving body 9 rotates the screw rod 8 forward, so that the moving nut 12 on the lower end side of each swing arm 5 moves to the forward / reverse rotation motor 6 side. The upper end of each swing arm 5 swings around the shaft pin 11 to the opposite side of the forward / reverse rotation motor 6, and the cutting blade 2 of the ram 3 passes through the swing plate 4 and the upper end of each swing arm 5. When swinging to the support member 1 side, paper such as copy paper is placed between the support member 1 and the cutting blade 2 of the ram 3 and cut (see FIG. 2).

On the other hand, after the paper is cut, when the moving nut 12 on the lower end side of each swing arm 5 moves to the reverse rotation switch piece 13 of the limit switch 15, the forward / reverse motor 6
Is switched to the reverse rotation, the screw rod 8 rotates in the reverse direction, and the moving nut 12 at the lower end of each swing arm 5 moves to the opposite side of the forward / reverse rotation motor 6, and the upper end of each swing arm 5 is pivoted. The cutting blade 2 of the ram 3 swings to the upper side of the support member 1 via the swing plate 4 and the upper end side of the swing arm 5 by swinging about the pin 11 toward the forward / reverse rotation motor 6, and When the moving nut 12 at the lower end of each swing arm 5 moves to the cutting switch piece 14 of the limit switch 15, the forward / reverse rotation motor 6
And the cutting blade 2 of the ram 3 returns to its original position (FIG. 1).
reference).

[0016]

As described above, the cutting device according to the present invention is provided with one side of the supporting member 1 having an appropriate length.
A ram 3 on which a cutting blade 2 for cutting paper is attached is swingably moved toward the support member 1 via a swing plate 4 at one end and a swing arm 5 at the other end. On the other side of the support member 1, a driving body 9 having a long screw rod 8 connected to a rotation shaft 7 of a forward / reverse rotation motor 6 is attached, and the other end of the swing arm 5 is connected to the screw rod 8. Since it is supported so as to be swingably linked, it is composed of the support member 1, the ram 3, and the driving body 9, so that the whole is more compact than the conventional one, and the size and weight are significantly reduced. Therefore, the forward / reverse rotation motor 6 can be easily placed on the paper cutting portion B of the paper cutting machine A or the automatic bookbinding machine in a vertical direction such as a lower side or an upper side, or in a horizontal direction such as a front side or a rear side. The screw rod 8 can be rotated by the forward / reverse motor 6 of the driving body 9 It by, with the other end of the swing arm 5 is moved in the forward and reverse motor 6 side, swings to the opposite side of the one end of the swing arm 5 is normal and reverse rotation motor 6,
Since the cutting blade 2 of the ram 3 swings toward the support member 1 via one end of the swing plate 4 and the swing arm 5, the paper cutting process is simple, and the cutting blade 2 of the support member 1 and the ram 3 can be used. The papers placed between them can be efficiently and reliably cut.

The support member 1, the ram 3, and the driving body 9 make it possible for the ram 3 to function as a brake, as well as a paper / document holding mechanism and a link mechanism that are conventionally installed. In addition to the fact that the screw rod 8 plays a role of deceleration, the brake and the deceleration mechanism can be omitted, so that the size and weight can be further reduced, and the packing, transportation, and storage can be performed. Of course, it is extremely convenient and the cost can be significantly reduced.

Further, one end of the support member 1 supports the forward / reverse rotation motor 6 side of the driving body 9 through a support plate 10, and the other end of the support member 1 has one end connected to the other end of the ram 3. The vicinity of one end of the swing arm 5 supported by the unit is swingably supported by a shaft pin 11, and the other end of the swing arm 5 is connected to a screw rod 8 of a driving body 9 via a moving nut 12. Further, at the other end of the support member 1, there is provided a reverse rotation changeover switch piece 13 of the forward / reverse rotation motor 6 at the distal end, and a disconnection switch for the forward / reverse rotation motor 6 at the center in the longitudinal direction. Piece 1
Since the limit switch 15 having the rotation switch 4 is mounted, the screw nut 8 is rotated forward by the forward / reverse rotation motor 6 of the driving body 9 in use, so that the moving nut 12 on the other end side of the swing arm 5 is rotated by the forward / reverse rotation motor 6. Side, the one end side of the swing arm 5 swings around the shaft pin 11 to the opposite side of the forward / reverse rotation motor 6, and the cutting blade 2 of the ram 3
In addition, since the swing arm 5 swings toward the support member 1 through one end side, paper such as copy paper placed between the support member 1 and the cutting blade 2 of the ram 3 can be cut. After the cutting of the type, when the moving nut 12 on the other end side of the swing arm 5 moves to the reverse rotation changeover switch piece 13 of the limit switch 15, the forward / reverse rotation motor 6 is switched to the reverse rotation, and the screw rod 8 rotates in the reverse direction. As the moving nut 12 on the other end side of the swing arm 5 moves to the opposite side of the forward / reverse rotation motor 6, one end side of the swing arm 5 is rotated about the shaft pin 11 to rotate the forward / reverse rotation motor 6.
Side, the cutting blade 2 of the ram 3 swings upward through the swing plate 4 and one end of the swing arm 5 to the upper side of the support member 1, and moves to the other end of the swing arm 5. When the nut 12 moves to the cutting switch piece 14 of the limit switch 15, the forward / reverse rotation motor 6 is turned off, and the cutting blade 2 of the ram 3 returns to the original position. Cutting can be performed more efficiently and reliably.

[Brief description of the drawings]

FIG. 1 is a front view of a cutting apparatus according to an embodiment of the present invention before cutting papers.

FIG. 2 is a front view of the paper of FIG. 1 at the time of cutting.

FIG. 3 is a perspective view of a cutting machine provided with the cutting apparatus of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Support member 2 Cutting blade 3 Ram 4 Oscillating plate 5 Oscillating arm 6 Forward / reverse rotation motor 7 Rotating shaft 8 Screw bar 9 Driver 10 Support plate 11 Axis pin 12 Moving nut 13 Reverse switching switch piece 14 Cutting switch piece 15 Limit switch 16 Shaft pin 17 Shaft pin 18 Shaft pin 19 Guide plate 20 Guide plate 21 Notch 22 Shaft pin 23 Holding frame 24 Bearing 25 Shaft pin 26 Blade cushioning material A Paper cutting machine B Paper cutting part

Claims (2)

[Claims] 1. One side of a supporting member having an appropriate length,
A ram having a paper cutting blade attached to the support member side is swingably supported to the support member side via a swing plate at one end and a swing arm at one end. At the same time, on the other side of the support member, a driving body having a long screw rod connected to the rotation shaft of the forward / reverse rotation motor is connected so that the other end of the swing arm is swingably linked to the screw rod. A cutting device characterized by being supported. 2. A swinging mechanism in which a forward / reverse rotation motor side of a driving body is supported at one end of a support member via a support plate, and one end is supported at the other end of the support member at the other end of the ram. The vicinity of one end of the moving arm is swingably supported by a shaft pin, and the other end of the swing arm is swingably supported by a screw rod of a driving body via a moving nut. 2. The cutting device according to claim 1, wherein a limit switch having a reverse rotation changeover switch piece of the forward / reverse rotation motor at a distal end and a disconnection switch piece of the forward / reverse rotation motor at a longitudinal center portion is attached to the other end of the member.