JP3039340B2 - Cutter equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tape or sheet cutter device, and more particularly to a cutter device incorporated in a bookbinding machine, a tape printer, or the like that performs back bookbinding using an adhesive tape.

[0002]

2. Description of the Related Art A bookbinding machine, a tape printer, and the like for attaching a booklet to the back with an adhesive tape are provided with a tape feeding device for sending a long-winding tape and a cutter device for cutting the sent tape. The cutter device is composed of a fixed blade disposed in the path of the tape and a movable blade driven by a motor.For example, in a bookbinding machine, a tape feeder feeds an adhesive tape with release paper to the size of a booklet, The cutter device automatically performs a series of steps from cutting and peeling of the release paper to attaching to the back of the booklet.

[0003]

When cutting an adhesive tape with release paper used in a bookbinding machine or a tape printer, the end face of the adhesive tape is stuck to the side surface of the cutter blade by the adhesive applied to the tape. Poor tape feeding may occur.

When the cutter blade reaches the end of its service life and is to be replaced, or when the cutter blade is to be attached or detached in order to clean the adhesive adhered to the cutter blade, the movable blade of the attached cutter must wait. There is a problem in that position adjustment and the like are required, and it takes time and effort.

Therefore, technical problems to be solved arise in order to prevent sticking of the cutter blade and the adhesive tape, and to facilitate maintenance work such as replacement of the cutter blade. The purpose is to solve.

[0006]

SUMMARY OF THE INVENTION The present invention, which is proposed to achieve the above object, is a cutter device incorporated in a spine binding machine or a tape printer using an adhesive tape with release paper. In a cutter device for cutting a tape by reciprocally driving a movable blade with respect to a fixed blade disposed in a path of an adhesive tape, a scraper facing an edge of the movable blade is connected to the movable blade, and the scraper is connected to the movable blade. A cutter device which slides along the movable blade rubbing surface of the fixed blade in conjunction therewith, and protrudes from the edge of the fixed blade toward the movable blade at the standby position; The cutter unit is formed by assembling the blade and the scraper and the movable blade drive gear mechanism into one frame, and the cutter unit is detachable from the motor unit. There is provided a cutter device according to symptoms.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below in detail with reference to the drawings. FIG. 1 shows a chassis 1 of a bookbinding machine, in which a paper table 5 and a slide table (not shown) are provided on frames 3 and 4 erected on the left and right sides of a base 2. A clamp 6 is provided above the slide table, and a guide rail 7 made of an adhesive tape is provided behind the clamp 6.

The support shaft of the clamp 6, the guide rail 7 and the slide table are provided with guide grooves (not shown) provided in the left and right frames 3, 4 and left and right cam plates 8, 9 attached to the side surfaces of the frames 3, 4. With the cam groove. The cam plates 8 and 9 are driven in the front-rear direction by a driving mechanism driven by a motor 10, and the clamps 6 and the guide rails 7 are driven by cam grooves.
In addition, the slide table is moved along the guide groove.
Thereby, the clamp 6 affixes the adhesive tape T held on the guide rail 7 to the cover edge of the booklet D on the paper table 5, and the guide rail 7 is driven downward and forward to attach the adhesive tape T to the booklet D. Attach to back and back cover.

A tape cartridge 11 containing an adhesive tape roll with release paper is mounted on the right side of the back adhering mechanism such as the guide rail 7. The release paper of the pressure-sensitive adhesive tape T with release paper is cut in the longitudinal direction. In the drawing, the release paper R1 on the front side is pulled out by a capstan roller 12 and an idler roller 13 which are tape feeders, and the adhesive tape T is pulled out. Is supplied to the guide rail 7 through the fixed guide rail 14. The adhesive tape T is sent to the left in a state where the side to which the release paper is adhered is supported by the guide groove 7 a on the front side surface of the guide rail 7.

A booklet guide plate 15 slidable left and right is mounted on the paper table 5, and a photo interrupter 16 attached to the booklet guide plate 15 faces the guide groove 7 a of the guide rail 7.

One end of the booklet D is brought into contact with a reference position guide plate 17 provided at the right end of the sheet table 5, the booklet D is set on the sheet table 5, and the booklet guide plate 15 is moved to move the booklet D to another position. When the end of the adhesive tape T sent in the guide groove 7 a of the guide rail 7 reaches the position of the photo interrupter 16 by contacting the end portion, a tape detection signal is output from the photo interrupter 16 to the control device 18. Is done. The control device 18 stops driving the capstan roller 12 when the tape detection signal is input, and the cutter device 1
9 is driven to cut the adhesive tape T at the end position of the booklet D. Then, as described above, the cam plates 8 and 9 are driven to perform a series of back sticking steps.

FIG. 2 shows a cutter device 19, which comprises a motor unit 20 and a cutter unit 21, and detects whether or not the cutter unit 21 is at a standby position by a photo sensor 22 mounted on the frame 4.

FIG. 3 shows a motor unit 20, which comprises a motor frame 23, a motor 24 and a first reduction gear 25, and a pinion gear 26 of the motor 24 meshes with the first reduction gear 25. Further, screw holes 27 and 28 for mounting the cutter unit 21 are provided at lower front and rear edges of the motor frame 23.

FIG. 4A shows a cutter unit 21 in which a second reduction gear 30 and a third reduction gear 31 are mounted on an angle-shaped cutter frame 29, and scissors 32 are provided on the lower edge.
The fixed blade 33 is mounted downward, and its edge 33 a projects downward from the lower end of the cutter frame 29.

The movable blade 34 of the scissors 32 is integrally formed with a scraper 35 which is bent in an L-shape from the rotation shaft portion and faces the edge 34 a of the movable blade 34, and the scraper 35 is a sliding surface of the fixed blade 33. And protrudes from the edge 33a of the fixed blade 33 toward the movable blade at the standby position. The scraper 35 is provided with a cam groove 36 in a radial direction as viewed from the center of rotation. The cam groove 36 engages with a roller 37 provided on a side surface of the third reduction gear 31 to engage the third reduction gear 31. Is converted into a reciprocating motion of the movable blade 34.

The movable blade 34 is, as shown in FIG.
3 moves back and forth between the standby position most open to the position overlapping the fixed blade 33 and cuts the adhesive tape located between the fixed blade 33 and the movable blade 34. The scraper 35 slides on the movable blade rubbing surface of the fixed blade 33 in the process of ascending and descending together with the movable blade 34, and the end surface of the adhesive tape T is attached to the side surface of the fixed blade 33 as shown in FIG. When the scraper 35 returns to the standby position, the scraper 35 is separated from the fixed blade 33 and pushed back to the tape path as shown in FIG.

As shown in FIG. 4A, a hole 31a is formed in the third reduction gear 31 so as to penetrate the front and back sides. A sensor window 29a is provided at the position of the hole 31a of the reduction gear 31. 38 and 39 are screw holes for attaching the motor unit. 4B, the light emitting element 40 and the light receiving element 41 are screwed to the right frame 4 of the bookbinding machine with the light emitting element 40 and the light receiving element 41 positioned in the sensor window 29a of the cutter frame 29. The third reduction gear 31 faces the side surface of the third reduction gear 31 through the hole (not shown) and the sensor window 29a.
When the one hole 31a reaches the position of the light emitting element 40 and the light receiving element 41, the output signal of the light receiving element 41 detects that the movable blade 34 is at the standby position.

The motor unit 20 is fixed to the right frame 4 shown in FIG.
Screw holes 38 and 39 of the motor unit 20 and screw holes 2 of the motor unit 20
7, and the cutter unit 21 is screwed in place.

Therefore, when cleaning or replacing the cutter unit 21, the cutter unit 21 can be easily removed from the motor unit 20, and when the cutter unit 21 is mounted, the movable blade 34 is moved to a position other than the standby position. Even in the case of the start-up operation, the control device 18 drives the motor 24 by the output of the photo sensor 22 so that the movable blade 34
When the motor reaches the standby position, the motor 24 is stopped by the standby position detection signal of the photo sensor 22, so that the standby position adjustment is unnecessary.

The present invention is not limited to the above embodiment, and various modifications are possible, for example, using a cutter of a type in which a movable blade is raised and lowered in parallel instead of a scissor-shaped cutter. Of course, the invention extends to those modifications.

[0021]

As described above, in the cutter device of the present invention, the scraper slides on the side surface of the fixed blade in conjunction with the movable blade, and the adhesive tape adhered to the fixed blade is peeled off from the fixed blade. Poor feeding of the tape can be prevented.

Further, in the cutter device according to the second aspect, the cutter blade and the movable blade drive gear mechanism are integrally formed as a unit so as to be detachable from the motor unit, so that the workability of maintenance is improved.

[Brief description of the drawings]

FIG. 1 is a front view of a chassis of a bookbinding machine according to an embodiment of the present invention.

FIG. 2 is a front view of the cutter device.

FIG. 3 is a front view of the motor unit.

FIG. 4A is a front view of a cutter unit,
(B) is a front view of the photo sensor.

FIGS. 5 (a), (b), (c), and (d) are explanatory diagrams showing an operation cycle of the cutter device.

[Explanation of symbols]

 Reference Signs List 19 cutter device 20 motor unit 21 cutter unit 22 photosensor 29 cutter frame 29a sensor window 30 second reduction gear 31 third reduction gear 31a hole 32 scissors 33 fixed blade 33a edge 34 movable blade 34a edge 35 scraper 36 cam groove 37 roller T Adhesive tape with release paper

──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Shinji Imai 6-6, Hakozakicho, Nihonbashi, Chuo-ku, Tokyo Inside Max Corporation (56) References JP-A-62-61498 (JP, A) JP-A-6-182696 (JP, A) JP-A-59-162223 (JP, U) JP-A-59-164721 (JP, U) JP-A-61-102543 (JP, A) U) Japanese Utility Model Hei 5-12145 (JP, U) (58) Field surveyed (Int. Cl. ⁷ , DB name) B26D 1/30 501 B26D 7/12 B65H 35/07

Claims (2)

(57) [Claims] 1. A cutter device incorporated in a spine bookbinding machine or a tape printer using an adhesive tape with release paper, wherein a movable blade is reciprocally driven with respect to a fixed blade disposed in a path of the adhesive tape to perform adhesion. In a cutter device for cutting a tape, a scraper (35) facing an edge of the movable blade (34) is connected to a movable blade (34), and the scraper works in conjunction with the movable blade to move a movable blade of a fixed blade (33). A cutter device that slides along a sliding surface and protrudes from an edge of a fixed blade toward a movable blade at a standby position. 2. The fixed blade (33) and the movable blade (34) and the scraper (35) and the movable blade drive gear mechanism (30, 3).
The cutter according to claim 1, wherein the cutter unit (21) is formed by assembling the cutter unit (1) with one frame, and the cutter unit (21) is detachably attached to the motor unit (20). apparatus.