JP2011147921A - Shredder - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a shredder work in which a load is hardly borne to a cutting blade so that cutting is efficiently performed when cutting a used ink ribbon and the like, and further the aftermath can be dealt with without caring about electrostatic charge of the cut ink ribbon. <P>SOLUTION: A shredder includes: a feeding mechanism part composed of a pair of feed roller at least one of which is a rotation driving shaft for feeding a medium to be cut such as an ink ribbon; a guide member for conveying the medium to be cut in a feeding direction and having a gap in a width direction at the subsequent stage of the feed roller; a tearing mechanism part provided with a rotating blade opposed to the guide member, the rotating blade having a blade, a rotating rim of which plunges while rotating into the gap of the guide member internal to tear; and a suction dust-collecting mechanism part for sucking dust after cutting of the ink ribbon at the subsequent stage of the tearing mechanism. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a shredder suitable for cutting a thermal transfer type used ink ribbon or the like by a thermal head.

  A shredder is, for example, a blade that divides a used confidential document or important document into a plurality of disk-shaped slit blades, or further protrudes a sheet of paper that has been cut into a plurality of slits around the slit blade. Thus, the structure of cutting into shorter pieces by cutting the paper into a shredded state has various forms as an office shredder and is well known for general paper processing.

  In recent years, however, ink ribbons that have been coated with oil-based inks that are dissolved and transferred by heat, such as ink ribbons by thermal heads, have been developed, and characters and symbols drawn on thermal heads are transferred to print media by this ink ribbon. Machines have become widespread, and ink ribbons have also spread in large quantities. Adhesive used ink ribbon dipped in ink generated after this printing has the same confidentiality centering on personal information etc., and this used ink ribbon may be lost in the process of disposal There was also. In some cases, it was sold and sold, which was a big social problem in terms of security.

  Therefore, the paper is cut with a shredder or the like in the same manner as an ordinary confidential document. However, in conventional shredders, oil-based ink or the like adheres between the disk-shaped slit blades, solidifies and accumulates, and further, sticky and torn cutting debris and oil-based ink adhere to the periphery of the slit blade and grow. When cutting itself in contact with each other, frictional force increases, contact rotation becomes impossible and breakage, etc. impairs the cutting function, shortens the normal life, makes continuous shredding difficult, etc. There was a problem.

  Accordingly, it has been attempted to incinerate the above-described used ink ribbon basically without cutting. However, there were still security problems such as losing as before while transporting to large incineration facilities. For this reason, it was encouraged to treat in the office as much as possible. However, when incineration is performed in the office, the equipment becomes large, takes time, or because of the oil-based ink ribbon, the odor of oil during combustion However, it was not effective in terms of practicality.

JP 2002-320873 A Utility Model Registration No. 3139242 Japanese Patent Application No. 2009-219675 Utility Model Registration No. 2574314 JP-A-11-169738

Problems to be solved by the invention

  The technique described in Patent Document 1 is that a sticky used master paper soaked with oil-based ink loses its cutting function when cut with a conventional shredder. Therefore, as shown in FIG. 1 and FIG. A configuration is adopted in which unnecessary paper to be guided is guided into the disk-shaped slit while being sandwiched between the auxiliary materials 5 from both sides.

  However, although this method also has the effect of wiping off the oil-based ink by the auxiliary material 5, the oil-based ink adheres to the disk-like slit blade when used for a long time, and the slit is caused by friction between the slit blade and the paper. The same problems occurred, for example, the temperature of the blade increased, the oil-based ink melted, the temperature of the slit blade decreased after the operation stopped, the melted ink solidified, and the disk-shaped slit blade stopped moving.

  In addition, as a technique described in Patent Document 2, a cutting technique called a cross cut is introduced. A sheet of paper that has been cut into a thin shape with a disk-shaped slit blade, which is further projected on the circumference of the slit blade, cut into shorter pieces, cut into pieces, and cross-cut. Features a blade. However, even with this technique, when the ink ribbon is cut, the oil-based ink adheres to the slit blade, and the oil-based ink gradually accumulates between the slit blades.

  On the other hand, the technique described in Patent Document 3 is a technique already filed by the present inventors. Patent Document 3 and the shredder of the present invention were developed to cut an ink ribbon, and the ink ribbon generates a large amount of static electricity when it is cut. A static eliminator was installed. However, the price of the static eliminator is a large part of the cost structure of the shredder body, so the devise to remove the static eliminator from the initial shredder while improving the functions and specifications of the shredder. The result is an improved machine of the present invention.

  And both patent document 4 and patent document 5 have description of the technique which played the suction effect | action. Patent Document 4 is small and lightweight so as not to be restricted in the storage location by sucking and discharging the air in the waste bag and removing the bulky air in the waste bag itself, as described in the column of action of the publication. Shrink and store in a waste bag. In the present invention, as described above, since the ink ribbon made of polypropylene (PP) is cut, static electricity is generated at the time of cutting, so that the problem that the cutting waste is hardened due to static electricity is solved. However, it is not intended to shrink and store the waste bag described in Patent Document 4.

  Further, in Patent Document 5, as described in paragraph 0031, the fan 22 rotates in the chip space 8 as the drive motor 19 is started, and the rose-like ink ribbon pieces are driven by the plurality of blades 21. Is scraped out to the discharge pipe 35, which is guided to the discharge pipe 35 and moves to the dust collector 34. In the present invention, the suction of the ink ribbon piece is the same as in Patent Document 5, but as described above, the ink ribbon may be entangled around the cutting blade due to static electricity generated when the ink ribbon is cut. This is different from the technique described in Patent Document 5 in that ink ribbon waste can be efficiently removed by forcibly suctioning directly from a dust collecting container covering the periphery of the cutting blade.

  Therefore, the shredder for an ink ribbon of the present invention is less likely to be loaded on the cutting blade even if it is cut for a long time when cutting these used ink ribbons, etc., and the initially developed product is charged around the cutting blade. The object is to perform a comfortable and efficient cutting process without using a static eliminating device.

Means for solving the problem

In order to achieve the above object, the invention according to claim 1 includes a feed mechanism portion configured by a pair of feed rollers, at least one of which is a rotary drive shaft for feeding a cutting medium such as an ink ribbon,
A guide member having a gap in the width direction and moving the cutting medium in the feed direction is provided at a subsequent stage of the feed roller, and the guide member is opposed to the guide member, and a rotation edge enters the gap of the guide member. A tearing mechanism provided with a rotary blade having a cutting edge to tear,
A suction dust collecting mechanism portion that sucks dust after cutting the ink ribbon is provided at the subsequent stage of the tearing mechanism portion.

  The invention according to claim 2 is the invention according to claim 1, wherein a dust collecting container is interposed between the tearing mechanism part and the suction dust collecting mechanism part, and the suction dust collector is disposed at the bottom of the dust collecting container. It is configured by providing a suction port for the structure.

  The invention according to claim 3 is the invention according to claim 1 or 2, wherein the guide member has a rotating shaft in the width direction, and a plurality of disk-like shapes rotating with a gap in the rotating shaft direction. The rotating blade rotates in parallel with the rotation axis of the guide rotating member, and the rotating peripheral edge forms a gap inside the gap between the rotating plates of the guide rotating member. It has a cutting edge that has a rotational entry.

  According to a fourth aspect of the present invention, in the first to third aspects of the invention, the cutting edge of the rotary blade is cut out from a single plate so as to rotate into the gap between the rotating plates of the guide rotating member. The cut-out tip is used as a cutting edge, and at least one plate-like blade is attached to the rotating shaft.

  Further, the invention according to claim 5 is the invention according to any one of claims 1 to 4, wherein the rotating peripheral edge of the rotary blade is set to be higher than the peripheral speed of the feed roller, and rotates around the periphery. It has a drive shaft, and a neutralizing brush is arranged around the rotating shaft, and the tip of the rotating blade is contacted and rotated in the dust collecting container to remove the cutting medium.

The perspective explanatory view showing the 1st example of the shredder of the present invention. Explanatory explanatory drawing which the guide member 4 and the cutting edge 5a of this invention expand. Side surface explanatory drawing which shows 2nd Example of the shredder of this invention. FIG. 4 is an explanatory plan view of a cross section showing a state of the guide rotation member 14 and the rotary blade 15 in FIG. 3. Plane cross-sectional explanatory drawing which shows the static elimination brush 21 of FIG. The whole side surface explanatory view of the shredder of the 2nd example of Drawing 3. The whole front explanatory drawing of the shredder of 2nd Example of FIG. The front view explaining the whole mechanism part of the present invention. The figure explaining the dust collecting container arrange | positioned around the cutting blade of this invention. The enlarged view explaining the flange part of a dust collecting container. An explanatory photograph of the torn ink ribbon piece 2t.

  A first embodiment of the present invention will be described with reference to FIGS. FIG. 1 shows a pair of feed rollers 3a and 3b, one of which is a rotary drive shaft for pulling out a used roll-shaped ink ribbon 2 or the like to be cut from one end and continuously feeding it, and these feed rollers 3a and 3b. A guide member 4 for moving the cutting medium formed with a gap 6 recessed in the width direction in the feed direction is provided at the subsequent stage, and the guide member 4 is opposed to the guide member 4, and the rotation periphery is inside the gap 6 of the guide member 4. A rotary blade 5 having a cutting edge 5a (see FIG. 2) that enters and tears into rotation is provided, and the cutting edge (5a) at the rotational periphery of the rotating blade 5 is faster than the peripheral speed of the feed rollers 3a and 3b. It is set as follows. The feed rollers 3a and 3b have a drive roller 3a and a driven roller 3b, and the shaft 3b is pressed by a spring so as to move parallel to the drive shaft 3a.

  In this way, the roll-shaped ink ribbon 2 is drawn out from one end and fed, and flows along the guide member 4 at the peripheral speed of the feed rollers 3a and 3b. Then, the edge of the rotary blade 5 whose rotational peripheral edge rotates at a higher speed than the peripheral speed of the feed rollers 3a, 3b is rotated into the gap 6 of the guide member 4 into the gap of the guide member 4 and the ink ribbon 2 Since the ink ribbon 2 is torn while making a hole in the ink ribbon 2, the ink ribbon 2 can be successively torn.

  With such a structure, a cutting medium is not cut like scissors with a conventional slitter blade, but a hole is made with a cutting edge 5a that sharply tears a thin ink ribbon 2, and the hole is cut as a trigger. Therefore, since the cutting edge 5a at the rotational periphery of the rotary blade 5 has further gaps (G1, G2, G3) inside the gap 6 and does not contact each other, even if oil-based ink or the like is solidified on the cutting edge 5a. The cutting blades do not stick to each other and do not move, and the cutting effect does not change and can be cut in an optimum state.

  In the above embodiment, the guide member 4 is formed of a wall shape. Next, the shredder 11 will be described based on FIGS. 3 to 7 showing a second embodiment of the present invention. As shown in FIG. 3, first, a storage case 7 for storing the ink ribbon 2 to be processed is provided, from which one end of the ink ribbon 2 can be drawn. The storage case 7 has a storage lid 7a that opens and closes via a hinge portion 7b and is not driven unless the storage lid 7a is closed by the microswitch 7c. Since the end of the ink ribbon 2 is bonded and connected to the bobbin 2e, the end of the ink ribbon is pulled up together with the bobbin 2e and the storage lid 7a is pushed up at the end of the cutting process. At that time, the opening of the lid 7a is detected by the microswitch 7c, and the driving of the shredder is stopped.

  The ink ribbon 2 drawn out from the storage case 7 is provided with a pair of feed rollers 13a and 13b, one of which is a rotational drive shaft for continuously feeding the ink ribbon 2 to the cut portion via the guide rollers 16 and 17. ing. Subsequent to the guide members 4 in the first embodiment, the feed rollers 13a and 13b have a rotating shaft 14s in the width direction, and a plurality of disks rotating with a gap in the direction of the rotating shaft 14s. It is comprised by the guide rotation member 14 which consists of a plate-shaped rotation board 14b.

  The rotary blade 15 provided in the same manner as in the first embodiment rotates in parallel with the rotation shaft 14 s of the guide rotation member 14, and the rotation periphery is inside the gap 14 b between the rotation plates 14 a of the guide rotation member 14. The rotary blade 15 has a cutting edge 15a that rotates and enters with a gap. In this case as well, the rotational peripheral edge of the rotary blade 15 is set to be higher than the peripheral speed of the feed rollers 13a and 13b (about twice in this embodiment). As in the first embodiment, the feed rollers 13a and 13b have a drive roller 13a and a driven roller 13b. The shaft 13b can move in parallel with the drive shaft 13a. It is pressed by a spring.

  As shown in the plan explanatory view showing the state of the guide rotating member 14 and the rotary blade 15 in FIG. 3, first, the guide rotating member 14 has a plurality of rotating plates 14b via gaps 14b in the direction of the rotating shaft 14s. Is provided between the frames 19 and 19. On the other hand, a single plate is cut away so that the blade edges 15a of the rotary blades respectively enter the gaps 14b of the guide rotating member 14. This notched tip is formed as a rotary blade edge 15a, and four pieces are attached to the rotary shaft 15s while changing the direction by 90 ° (see FIG. 3).

  As shown in FIGS. 3 and 5, a neutralizing brush 21 that rotates on a rotating shaft 21 s for removing the ink ribbon piece 2 t entangled with the cutting edge (blade 15 a) of the rotating blade 15 is provided below the rotating blade 15. The ink ribbon piece 2t is dropped into the lower part. The rotational peripheral speed of the static eliminating brush 21 is set to rotate at a higher speed than the rotational peripheral speed of the rotary blade 15, and is set so that the drive is transmitted by the motor 30 and the drive belt 31. In addition, as with the rotary blade 15, the static eliminating brush 21 is also provided between the frames 19 by attaching four sheets with the direction changed by 90 ° to the rotary shaft 21 s (see FIG. 3). If it is possible to achieve the purpose of removing the ink ribbon piece 2t entangled with the blade edge of the rotary blade 15 in place of the static eliminating brush 21, an envy belt-like sheet may be used instead.

  It is desirable that the rotational peripheral speed of the guide rotation member 14 is at least equal to or higher than that of the feed rollers 13a and 13b. Further, since the rotation edge of the rotary blade 15 is set to be higher than the peripheral speed of the feed rollers 13 a and 13 b, the ink ribbon is fed by the feed rollers 13 a and 13 b and further by the guide rotation member 14. It is fed sequentially and is reliably torn by the rotary blade 15. The relationship between the rotational peripheral speed of the guide rotating member 14 and the rotational peripheral speed of the rotating blade 15 is preferably set to the same speed or the speed of the rotating blade 15 higher than that of the guide rotating member 14.

  Next, based on the entire cross-sectional side view of FIGS. 6 and 7, a suction device that sucks the shredder 11 covered with the housing 40 and the ink ribbon piece 2 t (see FIG. 11) cut by the shredder 11 at the lower part. The shredder stand 41 including the storage box 50 in which 62 (for example, a mechanism of a vacuum cleaner for storing trash etc. in a trash pack is substituted) will be described.

  The lower surface of the shredder 11 covered with the housing 40, that is, the lower portion of the guide rotating member 14, the rotary blade 15, the static eliminating brush 21, and the like are formed with suction holes H so that the cut ink ribbon pieces 2t are sucked ( In addition, a suction passage for the ink ribbon piece 2t is formed in the lower portion of the suction hole H toward the storage box 50.

  As shown in FIGS. 6 and 7, the shredder stand 41 is covered with a wall except for the front side of FIG. 7, and a height adjusting screw 45 is provided at the lower part thereof. In the shredder stand 41, as described above, a space for the storage box 50 for storing the suction device 62 for sucking the cut ink ribbon piece 2t is formed, and the opening / closing door D is held in front of the handle 51. The suction device 62 can be maintained by pulling it open.

  The shredder 11 configured as described above pulls out one end of the used roll-shaped ink ribbon 2, sets it in the storage case 7, and closes the lid 7a. One end of the ink ribbon 2 is stretched over the guide rollers 16 and 17, and the feeding roller 13a and 13b are sandwiched to complete the setting. In this setting method, the feed roller 13b is a driven roller, and the shaft can move. Therefore, the feed roller 13b can be pulled away to the front (right side in FIG. 3) and one end of the ink ribbon 2 can be sandwiched.

  When the start switch is pressed in the state where the setting is completed, the ink ribbon 2 is sequentially fed between the guide rotating member 14 and the rotating blade 15, and the blade edge 15 a of the rotating blade 15 rotates into the gap 14 b of the guide rotating member 1. Then, the ink ribbon 2 is torn and cut while being perforated. Since the ink ribbon piece 2t is rubbed and shocked and is charged with static electricity, it sticks to the rotary blade 15, but is scraped off by the neutralizing brush 21 at the subsequent stage, or the flange portion of the dust collecting container 60 shown in FIG. A suction device 62 (for example, a vacuum cleaner, not shown) is connected to 61 (exhaust port), and during the cutting operation, the ink ribbon piece 2t is forcibly sucked by the suction device 62, thereby easily collecting dust. be able to. Here, for convenience, the suction device 62 is described as a vacuum cleaner. However, by adopting a type in which the electrostatically charged ink ribbon pieces 2t are stored in a dust pack, the collected ink ribbon pieces 2t The disposal process is extremely easy, and any means that exhibits the same suction effect and dust disposal effect is ideal, and the present invention is not limited to this. Further, the floor surface of the dust collecting container 60 may be flat, but it is more preferable that there is a taper as shown in FIG. 9 in order to make it easy to suck the ink ribbon piece 2t.

  Although the cut shape of the torn ink ribbon piece 2t varies depending on the peripheral speed ratio between the feed rollers 13a and 13b and the rotary blade 15, it is torn and cut into zigzag tips as shown in FIG.

  When the cutting is completed, the bobbin 2e of the ink ribbon 2 (shown in FIG. 3) is pulled up, the storage lid 7a is lifted, a lid opening signal is generated by the microswitch 7c, and the drive of the shredder 11 is stopped. .

  The entire mechanism of the present invention for cutting the ink ribbon with the above-described configuration and operation will be described again with reference to FIGS. The storage box 50 for storing the suction device 62 is a simple drawing. Each mechanism part (X: feeding mechanism part, Y: tearing mechanism part, Z: suction dust collecting mechanism part) of the present invention has a configuration surrounded by a one-dot chain line shown in the figure. First, at least one for feeding a cutting medium such as an ink ribbon is composed of a pair of feed rollers each having a rotation drive shaft, and the cutting is performed with a gap in the width direction at the subsequent stage of the feed rollers. A tearing mechanism portion Y provided with a rotary blade having a cutting edge which is provided with a cutting edge which is provided with a cutting edge which is opposed to the guide member and whose rotation peripheral edge rotates into the gap of the guide member. A suction dust collection mechanism Z that sucks the dust after cutting the ink ribbon is provided at the subsequent stage of the mechanism.

  The feeding mechanism part X and the tearing mechanism part Y will not be described because they perform the operations and processes already described. The suction dust collection mechanism portion Z has a structure in which a dust collection container 60 as shown in FIG. 9 is disposed so as to cover the entire tearing mechanism portion Y, and the ink ribbon piece 2t can be sucked simultaneously with cutting. Here, the dust collecting container 60 shown in FIG. 9 is made of metal, plastic, etc., and the material is not particularly selected. As for the attachment, they are arranged so as to cover a portion that rotates around the series of rotary blades 15 depicted in FIGS. 4 and 5.

  A vacuum cleaner is attached to the flange portion 61 of the dust collecting container 60 shown in FIG. 8 as an example to be connected by a hose 64 or the like, and the ink ribbon piece 2t cut by the rotary blade 15 is sucked. In order to prevent the hose 64 from coming off, the flange portion 61 may be secured with a fixing screw 65 or the like (see FIG. 10). Here, the ink ribbon piece 2t can be forcibly and efficiently removed by suction even when the ink ribbon may stick in the tearing mechanism portion Y due to static electricity generated at the time of cutting. The ink ribbon piece 2t can be removed without using a conventionally used static eliminator.

  Although the sucked ink ribbon piece 2t is the original specification of the cleaner, the ink ribbon piece 2t collected by storing in the dust collection pack 63 in the cleaner can be easily disposed of. In addition, since it is not necessary to directly touch the ink ribbon piece 2t, the phenomenon of sticking to the floor, the inside of the shredder body, hands, clothes, etc., which has been seen so far when the ink ribbon piece 2t is handled and disposed of by hand etc. Can be eliminated at all times, and the disposal work can be simplified and the beautification of the shredder body and its surrounding environment can always be kept clean.

  In addition, the suction device 62 such as a vacuum cleaner can be used by being housed in the storage box 50, and when the suction device 62 is taken out or a large dust collector is used, What is necessary is just to attract from the flange part 61 of the dust collecting container 60, and it does not stick to the scale and arrangement of the suction device 62.

  When the suction device 62 shown in this embodiment is a vacuum cleaner, for example, the ink ribbon piece 2t after the cutting process is a very thin and light material. Assuming that a full signal cannot be obtained, a structure as shown in FIG. 10 is considered as a mechanism for detecting the full state of the dust collection pack 63 as a precaution. FIG. 10 focuses on the flange 61 of the dust collecting container 60. The ventilation hole 70 is arranged in a part of the portion where the hose 64 is connected to the flange 61, and the suction device 62 operates by reducing the suction capability. By detecting the state of the valve 71, the full state of the dust collection pack 63 is searched. In the figure, reference numeral 65 denotes a fixing screw for stopping the hose 64.

  In FIG. 10, an L-shaped valve 71 composed of 71 a and 71 b is attached to a vent hole 70 provided in the flange 61 by a hinge 79 so as to be opened and closed. The valve 71 (71a) is configured to close the vent hole 70. When the suction device 62 has sufficient suction capability, the valve 71 is configured to close and close the vent hole. Therefore, the valve 71 is configured so that tension in the direction away from the vent hole 70 by the spring 73 (the arrow direction indicated by the spring 73) works, and when sufficient suction capability cannot be obtained, the valve 71 is indicated by a dotted line. It is determined that the valve 71 is moved to the position 78, and that the capacity of the suction device 62 is reduced, that is, the dust collecting pack 63 is full.

  The opening / closing width of the valve 71 (71a) is controlled by restricting the movement of 71b by the stopper 72 (opening / closing of 71a with respect to the vent hole 70), and the distance from the vent hole 70 according to the suction capability of the suction device 62 Can be adjusted. As a method for detecting the position of the valve 78 moved by the valve 71, whether it is detected by the mechanical switch 74 attached to the attachment fitting 75 or the non-contact type switch 76 attached to the attachment fitting 77 depends on ease of use. It is sufficient to decide, and at least one of them is selected. Further, other detection means may be provided. In addition, although the opening / closing direction of the valve 71 is drawn so as to operate in the vertical direction of the drawing, it does not ask about the opening / closing direction, material, or shape of the valve.

  In this way, the shredder of the present invention has a structure in which a thin ink ribbon is perforated with a sharp blade edge and is not torn with a conventional slit blade like a pair of scissors. The ink ribbon can be torn stably and stably without suffering problems such as increased cutting friction due to oil-based ink on the ink ribbon. Further, since the ink ribbon after the cutting process is directly sucked from the suction dust collecting mechanism (for example, by a vacuum cleaner), the ink ribbon piece 2t can be disposed without being directly touched by a hand. The surrounding environment for carrying out the process is not soiled by the cut ink ribbon piece 2t.

  Also, as shown in FIGS. 1 and 2, the cutting edge of the rotary blade 5 is M-shaped and the protrusion is bifurcated. The shape may be any of various shapes. Further, although the shape of the blade edge 15a of the second embodiment is not shown in the drawing, as in the first embodiment for convenience, the M-shape and the A-shape may be adopted as appropriate, and the blade edge 15a and the gap 14b are also gaps. 6 is omitted.

  In addition, as illustrated in FIG. 8, a roll-shaped ink ribbon (not shown) is set in the front stage of the feeding mechanism portion X (shown in FIG. 3). A storage lid 7a with a key (not shown) and a lid 71 are attached to prevent the ink ribbon from being taken out easily. Further, the microswitch 7c recognizes the opening / closing state of the lid 71a. A switch 72 is provided.

  Originally, since the ink ribbon has a trace of the transfer of personal confidential information, protection to prevent anyone from taking it out easily during shredder processing (attach the storage lid 7a and lid 71) and When the storage lid 7a and the lid 71 are opened during the shredding work, the ink ribbon feeding operation is performed during the shredding work, so the shredding work (feeding operation) considering safety is performed. In order to take out a signal to be interrupted, a micro switch 7c and a switch 72 are provided.

DESCRIPTION OF SYMBOLS 1, 11 ... Shredder 2 ... Ink ribbon 3a, 3b, 13a, 13b ... Feed roller 4 ... Guide member 5a, 15a ... Cutting edge 5, 15 ... Rotary blade 6 ... Gap 7 ... Storage case 13a, 13b ... Feed roller 14 ... Rotation guide member 14a ... Rotation guide member piece 14b ... Gap 16, 17 ... Guide roller 21a ... Static elimination brush 40 ... Case 41 ... Shredder stand 50 ... Storage box 60 ... Dust collection container 61 ... Flange part 62 ... Suction device 63 ... Dust collection pack 64 ... Hose 65 .... Fixing screw D ... Opening / closing door H ... Suction hole X ... Feed mechanism Y ... Tear mechanism Z ... Suction dust collecting mechanism

Claims (5)

A feed mechanism configured by a pair of feed rollers, at least one of which feeds a cutting medium such as an ink ribbon, formed of a rotational drive shaft;
A guide member having a gap in the width direction and moving the cutting medium in the feed direction is provided at a subsequent stage of the feed roller, and the guide member is opposed to the guide member, and a rotation edge enters the gap of the guide member. A tearing mechanism provided with a rotary blade having a cutting edge to tear,
A shredder suitable for cutting an ink ribbon or the like, characterized by comprising a suction dust collection mechanism portion for sucking dust after cutting the ink ribbon at a subsequent stage of the tearing mechanism portion.   The dust collection container is interposed between the tearing mechanism section and the suction dust collection mechanism section, and the suction port of the suction dust collection mechanism section is provided at the bottom of the dust collection container. A shredder suitable for cutting an ink ribbon or the like according to Item 1.   The guide member has a rotating shaft in the width direction, and is constituted by a guide rotating member made up of a plurality of disk-shaped rotating plates that rotate with a gap in the rotating shaft direction. The rotation edge of the rotating member is parallel to the rotation axis, and the peripheral edge of the rotating member is constituted by a cutting edge that rotates and enters with a gap inside the gap between the rotating plates of the guide rotating member. A shredder suitable for cutting the ink ribbon or the like according to 1 or 2.   The cutting edge of the rotary blade is formed by cutting out a single plate so as to rotate into the gap between the rotating plates of the guide rotating member, and using the notched tip as the cutting edge. 4. The shredder according to claim 1, wherein at least one sheet is attached to the shredder.   The rotating peripheral edge of the rotary blade is configured to be higher than the peripheral speed of the feed roller, and has a rotary drive shaft in the vicinity of the periphery. The shredder according to any one of claims 1 to 4, wherein the cutting medium is removed by rotating the tip of the rotary blade in a dust container.

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