JPH09323293A - Sheet cutting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make this cutting device easily installable in business equipment as well as to make a stable cutting without entailing any deformation in a frame of this device. SOLUTION: In this sheet cutting device to be used after being built in business equipment including a recorder or the like, and combining a fixed blade 2 and a movable blade 1 installed in a frame 3, thereby cutting a sheet, an engaged member 4 is installed in one end of this frame 3 of a cutter 11 and a locked member 5 in another end respectively, and further an engaged part 8 and a fixed part 7b are installed in a cutting device installed part of the business equipment, then the engaged part 4 at the one end is engaged with the engaged part 8 installed in the business equipment with the specified play, while the locked member 5 at another end is locked to the fixed part 7b and the cutter 11 is installed in the business equipment.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sheet material cutting device used by being incorporated in office equipment such as a recording device of a printer, and more particularly to a sheet material cutting device having a mechanism to be attached to the office equipment.

[0002]

2. Description of the Related Art As a sheet material cutting device used by being incorporated in office equipment such as a recording device of a printer, a rotary blade provided with a blade edge in an axial direction on a rotating circumferential surface is rotated to fix the blade edge. A rotary cutting device that cuts the sheet material by making contact with the cutting edge, a sliding cutting device that slides a thin plate-shaped movable cutting edge up and down to make contact with the fixed cutting edge, and cuts the sheet material, and two discs. A sheet material inserted between both blade edges by running the sheet material in a direction orthogonal to the traveling direction of the sheet material while contacting the blade edges of the blades, or by running in the direction while contacting a single fixed blade with a straight fixed blade edge. There is a roller type cutting device for cutting.

In this cutting device, in order to stably cut the sheet material, the movable blade and the fixed blade mounted on the frame before the cutting device is mounted on the office equipment are smoothly contacted with each other so that the movable blade operates. And the fixed blades are finely adjusted and assembled, and both ends of the frame of the adjusted cutting device are directly fixed to the office equipment by screwing or the like.

[0004]

However, when both ends of the frame are directly fixed to the office equipment by screwing as described above, if the cutting equipment attachment portion of the office equipment is not parallel, the cutting equipment of the cutting equipment is attached. When the frame is deformed such as twisted, the adjustment of the finely adjusted movable blade and fixed blade is broken, and the movable blade and fixed blade are biting, or a gap is created between the movable blade tip and the fixed blade tip, which makes smooth cutting impossible. There was a problem. In order to prevent this, when fixing the cutting device to the office equipment, it is necessary to insert a spacer or the like into the attachment portion to adjust and fix the cutting device, which increases the number of man-hours at the time of attachment and increases the cost. there were.

To solve this problem, one end of a frame of a cutting device is fixed to office equipment and the other end is rotatably and slidably supported by a bracket fixed to the office equipment to prevent distortion of the frame. Have been proposed (Japanese Utility Model Publication No. 62-153094). However, this method has drawbacks in that the number of parts is increased, the bracket is complicated, and the number of mounting steps is increased.

Therefore, in order to solve the above problems, the present invention simply engages a locked member provided at one end of a frame with a locking portion provided in office equipment, and fixes a fixed member at the other end of the frame. It is an object of the present invention to provide a sheet material cutting device that can be easily attached to an office machine and can perform stable cutting without fixing the frame to the frame when the machine is fixed to a fixing portion provided in the office machine.

[0007]

In order to achieve the above object, a sheet material cutting device of the present invention comprises a fixed blade and a movable blade mounted on a frame, which are used by being incorporated in office equipment such as a recording device. In a sheet material cutting device that cuts a sheet material by making contact with each other, a member to be locked is provided at one end of a frame of the cutting device, and a member to be fixed is provided at the other end, and a locking portion is provided at a mounting portion of the cutting device of the office equipment. A fixed part is provided, and the locked member at the one end is locked by the locking part provided on the office equipment with predetermined play, and the fixed member at the other end is provided in the office equipment. The cutting device is fixed to the fixing part and the cutting device is attached to the office equipment.

That is, in the sheet material cutting device of the present invention, the engaged member provided at the office equipment is the engaged member at one end of the frame of the cutting device assembled by finely adjusting the relationship between the fixed blade and the movable blade. The fixing device at the other end of the frame is fixed to the office equipment by a fastener such as a screw, and the cutting device is attached to the office equipment or the like. Therefore, the mounting is easier than the conventional method of screwing both ends of the frame. In addition, since a predetermined play is provided between the locked member at one end of the frame and the locking part of the office equipment, even if the mounting surface of the office equipment is not parallel, it will be locked like the conventional screwing. The member side is not constrained, and the frame is not deformed to make it inoperable or difficult to cut without adjusting it with a spacer or the like when attaching the cutting device. The predetermined play between the locked member and the locking portion is a play that does not cause a twist or the like in the frame of the cutting device when the cutting device is mounted on an office machine whose mounting surface is not parallel. That is, it is desirable that a predetermined clearance be provided between the locked member and the locking portion to prevent the frame of the cutting device from being twisted. However, if this play is too large, the cutting position will vary, so this clearance is usually 0.1 to 0.2 mm.
It will be done.

Further, the sheet material cutting device of the present invention is a sheet material cutting device which is used by being incorporated in office equipment such as a recording device and which cuts a sheet material by bringing a fixed blade and a movable blade mounted on a frame into contact with each other. In the cutting device, a locked member is provided at one end of the frame of the cutting device, and a fixed member is provided at the other end thereof, and a subframe having a locking portion and a fixed portion is provided, and the locked member at the one end of the frame is The locking portion is locked with a certain amount of play, and the member to be fixed at the other end is fixed to the fixing portion of the subframe to integrally connect the frame and the subframe, and the subframe is connected to the office work. The cutting device is attached to the office equipment by being fixed to the equipment.

That is, a sub-frame provided with a locking portion and a fixed portion is provided, and the locking portion and the fixed portion are engaged with the locked member and the fixed member provided on the frame of the cutting device. If the subframe is mounted on office equipment after the frame and subframe are integrated, only the subframe deforms even if the mounting surface is not parallel, and the locked part of the frame and the subframe are locked. There is no deformation of the frame due to the play between the parts. As a result, the same effect as described above can be obtained.

Further, the above-described sheet material cutting device of the present invention is mounted on the frame, and a rotary blade having a long blade edge in the axial direction on the rotary circumferential surface and having both ends rotatably supported by the frame. And a fixed blade having a substantially straight blade edge, the rotary blade for cutting the sheet material by rotating the rotary blade to bring the rotary blade tip into contact with the fixed blade edge, and a rotary sheet material cutting device also has two disc blades. A roller-type sheet material cutting device that cuts the sheet material between two circumferential blade edges that are in contact with each other by running a cutter support table that rotatably supports the blades on a guide rail that is provided orthogonal to the traveling direction of the sheet material. Also, in the above, a cutter support table, which rotatably supports one disc blade, is run on a guide rail provided orthogonally to the traveling direction of the sheet material, and the disc blade edge is provided on the frame. Sliding contact with almost straight fixed blade Also in a roller type sheet material cutting device for cutting a sheet material between both blade edges, or a thin plate-shaped movable blade having a blade edge with a straight line or an inverted V-shaped recessed edge, and a blade mounted on a frame. It is also applicable to a slide type sheet material cutting device provided with a fixed blade having a substantially linear blade edge in the shearing direction, and sliding the movable blade up and down to bring the blade edge into contact with the fixed blade edge to cut the sheet material. It is possible.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the illustrated embodiments. FIG. 1 is an exploded perspective view showing the structure of a rotary type sheet material cutting device according to a first embodiment of the present invention. In FIG. 1, a rotary blade (movable blade) 1 has a cutting blade 1a having a shear angle which is inclined with respect to an axis line, and pins 1b provided at both ends thereof rotate in a shaft hole 3c of a frame 3. It is rotatably supported. The fixed blade 2 is made of an L-shaped material having almost the same length as that of the rotary blade 1, and one edge thereof has a cutting edge 2
a is provided. Then, the fixed blade 2 is provided with a through hole 2b in a body portion on a side not having the L-shaped blade edge 2a, and is fastened to the frame 3 by a fastener 6 such as a rivet inserted in the through hole 2b and the through hole 3d of the frame 3. It is worn.
The rotary blade 1 and the fixed blade 2 are precisely adjusted so that when the rotary blade 1 is rotated, the rotary blade tip 1a and the fixed blade tip 2a slide smoothly over the entire length. As a result, when the rotary blade 1 is rotationally driven by the driving means (not shown), the sheet material to be cut inserted between the cutting blade 1a of the rotary blade 1 and the cutting edge 2a of the fixed blade 2 is cut. There is.

The frame 3 has a U-shaped long U-shaped plate having curved ends 3b formed by bending both ends of the base plate 3a, and the movable blade 1 is provided in a shaft hole 3c provided in the curved end 3b. The pins 1b at both ends of the are rotatably supported. A tongue-shaped locked member 4 is provided at one end of the frame 3 at an extension of the base plate portion 3a so as to project from the curved end portion 3b. Further, the other end of the frame 3 is similarly provided with a projecting tongue-shaped fixed member 5,
A fixing hole 5a for inserting the fastener 9 is penetrated through the fixed member 5. The locked member 4 and the fixed member 5 are formed by punching out the end portion of the substrate portion and then bending the curved end portion 3b so as to facilitate the work.

The cutting device mounting portion 7 of the office equipment to which the sheet material cutting device of the present invention is attached is provided with a square hole 8 orthogonal to the frame mounting surface 7a of the cutting device. A locking portion that locks the locked member 4 is configured. The hole size of the square hole 8 is such that the width X and the height Y in the drawing are slightly larger than the width x and the height y of the locked member 4, and the tongue-shaped locked member 4 is formed. Square hole 8 that constitutes the locking part
It is designed to be locked with a certain amount of play between and. Here, the dimensions of the width X of the square hole 8 and the width x of the locked member 4 may be such that the tongue-shaped locked member 4 can easily enter the square hole 8 when the cutting device 11 is mounted. If the dimensional difference is too large, the cutting position varies, so a clearance of about 0.1 mm is usually taken. Further, the dimensions of the height Y of the square hole 8 and the height y of the locked member 4 need a clearance to such an extent that the twist generated in the office equipment is not transferred. As expected, the clearance is appropriately determined so as to be 0.2 to 0.5 mm. Further, the surface of the cutting device mounting portion 7 of the office equipment on the side opposite to the square hole 8 of the frame mounting surface 7a constitutes a flat fixing portion 7b and is provided with a fixing hole 7c.

The rotary blade 1 and the fixed blade 2 have their cutting edges 1a and 2a.
The cutting device 11 mounted on the frame 3 after being finely adjusted so as to slide smoothly over the entire length is mounted on the cutting device mounting portion 7 of the office equipment as follows. Frame 3
The locked member 4 is inserted into the square hole 8 and the fixed member 5 is placed on the fixed portion 7b to fix the fixed hole 5a and the fixed portion 7 of the fixed member 5.
Fasteners 9 are fastened to the cutting device mounting portion 7 by the fasteners 9 that pass through the fixing holes 7c of b. As described above, the square hole 8 and the locked member 4
Since a certain clearance is provided between them, when the cutting device 11 is mounted on the office equipment, the locked member 4 at one end of the frame 3 is a square hole 8 serving as a locking portion. Even if the fixed member 5 at the other end is fixed to the fixing portion 7b of the office equipment, the frame 3
It is installed without causing any deformation such as twisting.

As described above, according to the sheet material cutting device of the embodiment of the present invention, the locking portion of the square hole and the flat fixing portion are provided in the cutting device mounting portion of the office equipment to which the sheet material cutting device is mounted. Provided with a tongue-shaped locked member protruding from one end of the frame of the cutting device and a similar fixed member at the other end, and inserted this locking member into the square hole of the locking part provided in the office equipment. Then, the sheet material cutting device is mounted on the office equipment by locking it with a certain amount of play, and fixing the member to be fixed at the other end to the fixing part provided on the office equipment with fasteners. It is easier to mount compared to the method of screwing both ends of the frame, and the locked member at one end of the frame is locked with a certain amount of play, so it is not constrained like screwing. Absent. Accordingly, even when the mounting surface of the office equipment is not parallel, the frame is not deformed to make it inoperable or difficult to cut without adjusting with a spacer or the like at the time of mounting.

FIG. 2 is an exploded perspective view showing the structure of a rotary type sheet material cutting device according to a second embodiment of the present invention. In the first embodiment, the rectangular hole (locking portion) 8 and the fixing portion 7a are directly provided on the cutting device mounting surface of the office equipment, but in the second embodiment, the subframe including the locking portion and the fixing portion is provided. The difference is that the cutting device is attached to the office equipment by fixing the subframe to the office equipment after the frame of the cutting device and the subframe are joined. Others are the same as those in the first embodiment, and the same symbols as those in FIG. 1 are used.

The sub-frame 17 shown in FIG. 2 has a flat portion 17a constituting a mounting surface and a bent portion 1 having one end bent at a right angle.
7d has an elongated plate shape slightly longer than the L-shaped frame 3 and has bent holes 17d provided with respective holes 18 constituting locking portions. The opposite end of the bent portion 17d is a flat fixed portion 1
7b is formed, and a fixing hole 17c is provided.

The cutting device 11 is mounted on the cutting device mounting surface 7 of the office equipment as follows. First, in the frame 3 of the cutting device 11 in which the rotary blade 1 and the fixed blade 2 are finely adjusted and mounted as in the first embodiment, the locked member 4 is inserted into the square hole 18 of the sub-frame 17 to be locked. The fixed member 5 is placed on the fixed portion 17b of the sub-frame 17 and the fixed member 5
Of the frame 3 and the sub-frame 17 with the fasteners 9 inserted through the fixing holes 5a of the fixing portions 17b and the fixing holes 17c of the fixing portions 17b.
Are fixed together. After that, the sub-frame 17 is fixed to the cutting device mounting surface 7 of the office equipment by the fastener 19.

According to this mounting method, when the cutting device 11 is mounted on the office equipment, if the mounting portion is not flat, the sub-frame 17 is deformed, but the one end locking member side of the frame 3 is positioned relative to the sub-frame 17. Since it is locked while having a certain amount of play and is fixed to the sub-frame 17 by the member to be fixed at the other end, even if the sub-frame 17 is deformed, the sub-frame 17 is not twisted or deformed by the frame 3, The same effect as the first embodiment can be obtained. According to the present embodiment, the number of parts is increased, but since the chassis of the office equipment does not require a large machining, there is an advantage that the office equipment of the existing design can be easily mounted.

FIG. 3 is an exploded perspective view of the roller type sheet material cutting device of the third embodiment. In this cutting device, a cutter support base 26, which is rotatably supported by slidingly contacting two disc blades 21 each having a cutting edge on the circumference thereof, is provided in a frame 23 provided orthogonally to the traveling direction of the sheet material. The guide rail 23a is made to travel by a driving means (not shown).
Then, a sheet material (not shown) traveling on the guide rail 23a is cut between the two disc blades 21. FIG. 4 is a view showing a roller type sheet material cutting device according to a fourth embodiment, in which a cutter support base 36 rotatably supporting one disc blade 31 is attached to a guide rail 33a of a frame 33.
The sheet material (not shown) is cut between the fixed blade 32 fixed to the frame 33 and the disk blade 31 by running the upper part by a driving means (not shown). Also in these cutting devices, tongue-shaped engaged members 24 and 34 are provided at one ends of the frames 23 and 33, respectively, and fixing holes 25a and 35 are provided at the other ends.
The fixed members 25 and 35 provided with a
4, 34 are inserted into the square holes (locking portions) 8 provided in the cutting device mounting surface 7 of the office equipment, and the fixing holes 25a and 35a of the fixed members 25 and 35 and the fixing hole 7c of the mounting surface 7 of the office equipment. Fastened and fixed by fasteners 9 that are layered through. As a result, the cutting device can be attached to the office equipment without causing deformation of the frames 23 and 33 as in the above-described embodiment.

FIG. 5 is an exploded perspective view of a slide type sheet material cutting device according to a fifth embodiment of the present invention. In the figure,
The frame 43 having a U-shaped cross section is penetrated by a horizontally long paper passing window 46 through which the sheet material to be cut is passed.
The fixed blade 42 is fixed to the lower side of the frame 43 so as to overlap the frame 43. The movable blade 41 is made of a thin plate material having an inverted V-shaped concave edge line, and a slider 49 is provided at the center of the cutting width.
The slider 49 slides in a long hole 50 provided in the central portion of the frame 43 to guide the vertical movement of the movable blade 41. The movable blade 41 moves up and down by a driving means (not shown) so that the blade edge is in sliding contact with the fixed blade 42, and the sheet passing window 4 is provided between the movable blade 41 and the fixed blade 42.
The sheet material inserted in 6 is cut.

Also in this cutting device, a tongue-shaped locked member 44 is provided at one end of the frame 43, and a through hole 45 is provided at the other end.
a provided tongue-shaped fixed member 45 is provided, and the locked member 44
Is inserted into the square hole (locking portion) 8 of the cutting device mounting surface 7 of the office equipment, and is fastened by the fastener 9 inserted through the through hole 45a of the fixed member 45 and the fixing hole 7c of the cutting device mounting surface 7. Fixed. As a result, the same effect as that of each of the above-described embodiments can be obtained.

In each of the third to fifth embodiments, the frame is attached to the cutting device mounting surface 7 of the office equipment, but the cutting device and the fixing part are also attached to these cutting devices as in the second embodiment. It is also possible to attach to the office equipment by using the sub-frame instead of providing it on the attachment surface of the office equipment.

[0025]

As described above, the sheet material cutting device of the present invention has a simpler structure than conventional cutting devices and can be installed in office equipment such as a printer recording device, and Even if the mounting surface of the office equipment is not flat, the frame of the cutting device is not deformed by the mounting. Therefore, even if you do not make adjustments using a spacer etc. during mounting, even if you mount it as it is, the meshing of the moving blade and the fixed blade that has been finely adjusted before mounting may be misaligned and smooth cutting may not be possible. Absent. This can reduce man-hours and costs.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing a structure of a rotary sheet material cutting device according to a first embodiment of the present invention.

FIG. 2 is an exploded perspective view showing the structure of a rotary sheet material cutting device according to a second embodiment of the present invention.

FIG. 3 is an exploded perspective view showing the structure of a roller type sheet material cutting device according to a third embodiment of the present invention.

FIG. 4 is an exploded perspective view showing the structure of a roller type sheet material cutting device according to a fourth embodiment of the present invention.

FIG. 5 is an exploded perspective view showing the structure of a slide type sheet material cutting device according to a fifth embodiment of the present invention.

[Explanation of symbols]

 1 Movable Blade 2 Fixed Blade 3 Frame 4 Locked Member 5 Fixed Member 6 Fastener 7 Cutting Device Mounting Part 7b Mounting Surface (Fixed Part) 8 Square Hole (Locking Part) 9 Fastener 11 Sheet Material Cutting Device 17 Subframe 17b Mounting surface (fixed portion) 18 Square hole (locking portion) 19 Fastener 21 Movable blade 23 Frame 23a Guide rail 24 Locked member 25 Fixed member 26 Cutter support 31 Movable blade 32 Fixed blade 33 Frame 33a Guide rail 34 Covered Locking member 35 Fixed member 41 Movable blade 42 Fixed blade 43 Frame 44 Locked member 45 Fixed member 46 Paper passing window 49 Slider 50 Long hole

Claims (7)

[Claims] 1. A sheet material cutting device which is used by being incorporated in office equipment such as a recording device and which cuts a sheet material by contacting a fixed blade and a movable blade mounted on a frame with each other.
The locked member is provided at one end of the frame of the cutting device, and the fixed member is provided at the other end, and the locking part and the fixed part are provided at the mounting part of the cutting device of the office equipment. The locking portion provided on the office equipment is locked with a predetermined play, and the member to be fixed at the other end is fixed to the fixing portion provided on the office equipment, and the cutting device is attached to the office equipment. A sheet material cutting device characterized by being mounted. 2. A sheet material cutting device, which is used by being incorporated in office equipment such as a recording device, for cutting a sheet material by bringing a fixed blade and a movable blade mounted on a frame into contact with each other.
The frame of the cutting device is provided with a locked member at one end and a fixed member at the other end, and a subframe having a locking portion and a fixed portion is provided, and the locked member at the one end is locked by the subframe. The part has a predetermined play and is locked, the member to be fixed at the other end is fixed to the fixing part of the sub-frame to integrally connect the frame and the sub-frame, and the sub-frame to the office equipment. A sheet material cutting device, characterized in that the cutting device is attached to the office equipment by being fixed. 3. A predetermined clearance is provided between the locked member and the locking portion to prevent the frame of the cutting device from being twisted.
Alternatively, the sheet material cutting device according to item 2. 4. The cutting device includes a rotary blade having a long blade edge in the axial direction on a rotating circumferential surface and both ends rotatably supported by a frame, and a substantially linear blade edge mounted on the frame. The sheet according to any one of claims 1 to 3, further comprising a fixed blade, which is a rotary sheet material cutting device that cuts a sheet material by rotating the rotary blade to bring the rotary blade tip into contact with the fixed blade edge. Material cutting device. 5. The cutting device comprises a cutter support table, in which two disc blades are rotatably supported, traveling on a guide rail provided orthogonal to the traveling direction of the sheet material, and both circles intersecting with each other. The sheet material cutting device according to any one of claims 1 to 3, which is a roller type sheet material cutting device that cuts the sheet material between the peripheral blade edges. 6. The cutting device is configured such that a cutter support table, which rotatably supports one disc blade, is caused to travel on a guide rail provided orthogonally to the traveling direction of the sheet material, and the disc blade edge thereof is provided. 4. The sheet material cutting device according to claim 1, wherein the sheet material cutting device is a roller type sheet material cutting device that cuts a sheet material between both blade edges by sliding a blade onto a substantially straight fixed blade provided on the frame. . 7. The cutting device comprises a thin plate-shaped movable blade having a cutting edge whose cutting edge line is substantially straight or recessed in an inverted V shape, and a fixed blade having a cutting edge which is mounted on a frame and is substantially linear in a shearing direction. The sheet material cutting device according to any one of claims 1 to 3, further comprising: a slide type sheet material cutting device that slides the movable blade up and down to bring the blade edge into contact with a fixed blade blade edge to cut the sheet material. apparatus.