JP2013230540A - Pipe-type punch - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a pipe-type punch which prevents chips such as round punching chips and filamentous or powdery cutting chips generated in punching from scattering even if the chips fall on a base.SOLUTION: A pipe-type punch for punching a paper sheet by bringing a pipe-like punching blade down on a blade receiving mat 12a mounted to a base 12, includes a falling chip collecting plate 12d that is detachable and has such an annular shape as surrounding the outside of the blade receiving mat 12a in the base 12 so as to collect chips falling around the blade receiving mat 12a on the base 12 during punching.

Description

  The present invention is a pipe type in which a pipe-like perforating blade is lowered to make a hole in paper on a blade receiving mat fitted to a base, and the punched waste is collected in a punched waste container provided in the apparatus main body. Regarding punch.

  In the case of a pipe punch that lowers the pipe-shaped perforating blade and opens a hole in the paper, the scrap is raised through the pipe-shaped perforating blade. (For example, refer to Patent Documents 1 and 2.)

Japanese Patent Laid-Open No. 06-190794 JP 2000-117697 A

  However, even if a punching waste collection box that collects punching waste that has passed through the pipe-shaped perforating blade is provided on the device body side, round punching waste may fall on the base side. There was a case that it was scattered around the table or table on which the type punch was placed, and there was a problem of deteriorating the beauty.

  In particular, when the number of papers to be perforated is small, the punched-out residue cannot be lifted up inside the pipe-shaped perforating blade, and falls and scatters on the base, which often impairs the appearance.

  Also, when punching paper, in addition to round punch debris, thread debris and other cut debris are also generated, and these debris fall on the base and scatter, impairing the beauty. It was.

  Therefore, the present invention is to provide a pipe punch that prevents a splinter such as a round punch debris or a thread-like or powder-like debris from falling and dropping on a base during drilling. Objective.

In order to solve the above-mentioned problems, the pipe punch of the present invention has a pipe-shaped perforated blade lowered to open a hole in the paper on a blade receiving mat fitted to the base, and the punched waste is provided in the apparatus main body. A pipe-type punch that is collected in a punched waste container, characterized in that a fall waste collecting portion is provided around a blade receiving mat in the base for collecting waste that falls on the base during drilling. To do.
Here, it is preferable that the fall residue collecting part is an annular fall residue collecting tray that is detachable from the base and accommodates around the blade receiving mat.
Further, on the upper surface of the base, in addition to the mounting space opening along the outer shape of the falling dregs stacking tray so that the blade receiving mat and the falling duck stacking tray are mounted, further outside the mounting space opening It is preferable that an opening for attaching / detaching is provided for assisting the attachment / detachment of the falling waste collecting tray when a falling waste collecting tray is attached / detached.
Further, on the upper surface of the base, a paper holding portion is provided to stand up against which the front end of the paper to be perforated comes into contact, and the paper holding portion has a front end portion of the falling waste collecting tray protruding from the paper holding portion. It is even better if a standing opening is provided for exposing the.
Moreover, the fall residue accumulation part may be a fall residue accumulation groove provided on the base and surrounding the outside of the blade receiving mat.

  In the pipe-type punch of the present invention, since a falling dregs collecting portion that collects cutting dregs generated at the time of drilling is provided around the blade receiving mat on the base, a dregs such as a round punched dregs or a thread-like or powder-like cut dregs is provided at the time of drilling. Even if it occurs and falls on the base, it can be collected without scattering.

It is a partially cutaway front view of the pipe type punch of an embodiment. It is a partially cutaway side view of the pipe type punch of an embodiment. It is a partially notched top view of the pipe type punch of embodiment. It is a partial notch side principal part enlarged view of the pipe type punch of embodiment. (A), (b) is a perspective view which respectively shows the structure of the base before and behind mounting | wearing with a fall dregs accumulation tray. (A), (b) is the top view and side view of a table part, respectively. It is a perspective view of a falling dregs collecting tray. (A), (b) is the top view and side view which show the relationship between a blade stand, a blade receiving mat, etc., respectively. It is a partially notched top view which shows the state which removed the one fall dregs accumulation tray. (A)-(d) is a top view which shows an example of the table part which provided the fall dregs accumulation groove | channel, a partially notched front view, a partially notched left side view, and a partially notched right side view, respectively.

  Hereinafter, an embodiment of a pipe punch 1 according to the present invention will be described in detail with reference to the accompanying drawings.

  The pipe type punch 1 of this embodiment is comprised from the apparatus main body 11 and the base 12 which receives the paper 2 to pierce | pierce, as shown in FIGS.

  The device main body 11 includes an extraction container 11b that is detachably attached to the device main body 11, a lifting unit 11c that lifts and lowers the pipe-shaped perforating blade 11a by a rotational force such as a motor (not shown), and a main body side base 11d. And have. The base 12 is attached to the main body side base 11d of the device main body 11.

  The pipe-shaped punching blade 11a is hollow, and the round punched residue when the paper 2 is punched passes through the pipe-shaped punching blade 11a and is dropped into the punched waste container 11b to collect the punched residue when the paper 2 is punched. Is configured to do. Here, the extraction container 11b may be detachably attached to a lifting unit 11c that moves up and down together with the pipe-shaped perforating blade 11a, and may be configured to move up and down together with the pipe-shaped perforating blade 11a and the lifting unit 11c. The apparatus main body 11 other than the unit 11c may be detachably attached, and may be configured not to move up and down.

  The base 12 is a base for receiving the paper 2 to be perforated. As shown in FIG. 5 and the like, the blade receiving mat 12a is detachably and rotatably attached, and the blade receiving base on which the falling dregs collecting tray 12d is placed. 12b and a table portion 12c provided on the blade support 12b.

  Here, the blade receiving mat 12a comes into contact with the tip of the elevating unit 11c that descends during drilling, and is made of synthetic resin or the like. Further, when the pipe-shaped perforating blade 11a abuts many times, a deep kerf is formed at the tip of the pipe-shaped perforating blade 11a, so that the user appropriately rotates the blade receiving mat 12a so that the flat portion hits. To use. Therefore, the blade receiving mat 12a includes a circular contact portion 12a1 having an upper surface substantially flush with the upper surface of the base 12, and a detachable hollow rotating shaft 12a2, and a pipe-shaped perforated blade 11a. Is attached to the blade receiving base 12b so as to come into contact with a position shifted from the rotational center of the circular contact portion 12a1.

  Further, as shown in FIG. 7, the falling dregs collecting tray 12d is detachable from the base 12 and is formed in an annular shape with the blade receiving mat 12a as the center, and is substantially the same as the outer periphery of the blade receiving mat 12a. It has a circular inner peripheral wall 12d1 having an identical or slightly larger inner periphery, an annular bottom wall 12d2, and an outer peripheral wall 12d3. Therefore, as shown in FIGS. 1 to 5 and FIG. 9 and the like, the falling dregs collecting tray 12d is installed on the blade receiving base 12b with almost no gap outside the blade receiving mat 12a and in a detachable state. .

  As shown in FIG. 5 and FIG. 6 and the like, the table portion 12c is configured by bending a steel plate, and is configured with a paper holding portion 12c3 with which the leading end of the paper 2 abuts on the mounting side to the main body side base 11d. A mat and a dish mounted on the outer periphery of the falling dust collecting tray 12d so that the upper surfaces of the blade receiving mat 12a and the falling dust collecting tray 12d are almost flush with each other in the vicinity of the paper stopper 12c3. An opening 12c1 is provided.

  Here, as shown in FIG. 3 to FIG. 5, FIG. 9, etc., the blade receiving mat 12 a does not reach the paper stopper 12 c 3, but the falling dregs collecting tray 12 d provided on the outside of the blade receiving mat 12 a The size reaches the stopper 12c3.

  Therefore, as shown in FIG. 6, the mat / dish mounting opening 12c1 has a substantially circular mounting space opening 12c11 corresponding to the outer periphery of the falling dregs stacking dish 12d, although the paper stopper 12c3 side is a straight line. In addition, it is provided on the outside of the mounting space opening 12c11 with a radius smaller than the radius of the blade receiving mat 12a and the falling debris collecting tray 12d. Attaching / detaching assisting opening 12c12 for assisting the attachment / detaching of the paper and a standing opening 12c13 for exposing the tip of the falling dregs stacking tray 12d protruding from the paper stopper 12c3 to the main body side base 11d side. . The table portion 12c is also provided with a gauge opening 12c2 for exposing the gauges 12e and 12e that slide in conjunction with each other so as to align the center of the paper 2 to be punched with the center of the base 12. It has been.

  Therefore, according to the pipe-type punch 1 of this embodiment, in addition to the punched waste container 11b detachably attached to the device main body 11, a round punched residue or thread that falls around the blade receiving mat 12a in the base 12 or Since the falling waste collecting tray 12d for collecting wastes such as powdered cut wastes is provided, even when a rounded waste residue or thread or powdery cut wastes are generated and fall on the base 12 during drilling Can be collected without splashing. As a result, the aesthetics on the base 12 of the pipe punch 1 and the table on which the pipe punch 1 is placed are improved.

  In particular, in the pipe punch 1 of the present embodiment, the fall residue collecting tray 12d is configured to be detachable from the base 12, so that the fall residue collection tray 12d has a residue such as a round punched residue or a thread-like or powder-like cut residue. In the case of accumulation, as shown in FIG. 9, it becomes possible to remove the accumulated residue by removing the falling residue collecting tray 12d from the base 12. As a result, it becomes possible to throw away the waste without carrying the heavy pipe-type punch 1, which improves usability for women and elderly people with weak power.

  Moreover, in the pipe type punch 1 of this embodiment, when the fall dregs accumulation tray 12d is removed from the base 12, as shown in FIG. 5A and FIG. 9, the inner peripheral edge of the mat / dish mounting opening 12c1 Since there is a gap between the blade receiving mat 12a and the falling dust collecting tray 12d, the blade receiving mat 12a can be easily rotated and replaced. Therefore, the maintainability of the blade receiving mat 12a is improved.

  Moreover, in the pipe type punch 1 of this embodiment, as shown in FIG.3, FIG.5, FIG.6, FIG.9, the table part 12c is used for the substantially circular mounting space according to the outer periphery of the fall dregs collection tray 12d. Since the opening / removal assist opening 12c12 is provided outside the opening 12c11, even if the blade receiving mat 12a and the falling duck collecting tray 12d are mounted on the base 12, the falling duck collecting tray 12d can be easily attached and detached. This also improves usability. In particular, since the opening / removal assist opening 12c12 has a radius smaller than the radius of the blade receiving mat 12a and the falling dust collecting tray 12d, the blade receiving mat 12a and the falling dust collecting tray 12d are mistakenly inserted into the attaching / detaching assist opening 12c12. It is possible to reliably prevent the wearing. However, in the present invention, providing the opening / removal opening 12c12 is optional and can be omitted, but it is desirable to provide it.

  Further, in addition to the mounting space opening 12c11 and the attachment / detachment opening 12c12, the mat / dish mounting opening 12c1 is further connected to the main body side from the paper stopper 12c3 as shown in FIGS. Since a standing opening 12c13 is provided for exposing the tip of the falling dregs stacking tray 12d that protrudes toward the base 11d, the punched debris, cut debris, etc. that have dropped near the paper stopper 12c3 are also present on the base 12. It can be efficiently collected by the falling dregs collecting tray 12d without being scattered. As a result, the aesthetics around the table on which the pipe punch 1 is placed are further improved. However, in the present invention, it is optional to provide the standing opening 12c13 in the paper stopper 12c3, and it can be omitted. However, if it is omitted, the shape of the falling waste collecting tray 12d may be changed, It is necessary to change the shape of the paper holding portion 12c3, for example, by partially denting the paper holding portion 12c3 so as to avoid the tip of the falling dregs collecting tray 12d.

  In addition, in the pipe type punch 1 of this embodiment, in addition to the punched waste container 11b that is detachably attached to the device main body 11, a falling waste collecting tray 12d that is detachable from the base 12 is provided. Then, since it is sufficient to collect the round punched debris dropped around the blade receiving mat 12a and the debris such as the thread-like or powder-like cut debris, for example, FIG. As shown to (a)-(d), while providing the mat | matte mounting | wearing opening part 12c1 'which accommodates the blade receiving mat 12a in the table part 12c of the base 12, and the contact part 12a1 is exposed, the mat mounting | wearing For example, a fall dregs accumulation groove 12d ′ in which the table portion 12c itself is recessed (dented) in a U shape or the like may be provided around the opening 12c1 ′ for use. In this case, the table portion 12c or the base 12 is preferably detachably attached to the device main body 11 if possible. In this way, when discarding the residue accumulated in the falling residue accumulation groove 12d ′, it is sufficient to remove only the base 12 or the table portion 12c from the device main body 11 and carry it to the waste bin or the like. Convenient because it is not necessary to carry

  In addition, in the pipe punch 1 of the present embodiment, in consideration of the convenience of attaching and detaching the dropped dregs stacking tray 12d, the mat / plate mounting opening 12c1 has an opening for mounting / detaching assistance in addition to the mounting space opening 12c11. The portion 12c12 has been described, but a knob portion that protrudes outside the upper end portion of the outer peripheral wall 12d3 of the falling residue collecting tray 12d toward the attachment / detachment opening 12c12 and is flush with the upper surface of the table portion 12c ( (Not shown) may be provided. If it does in this way, it will become easy to attach and detach the fall dregs collecting tray 12d further.

  Moreover, in the pipe type punch 1 of the said embodiment, although the electrically driven pipe type punch 1 which raises / lowers the pipe-shaped punching blade 11a with rotational force, such as a motor (not shown), was demonstrated to an example, in this invention, The present invention is not limited to this, and can be applied to a manual-type pipe punch or the like in which the user manually pushes the handle as long as the paper 2 is punched by the pipe-shaped punching blade 11a.

DESCRIPTION OF SYMBOLS 1 Pipe type punch 11 Apparatus main body 11a Pipe-shaped perforation blade 11b Dump waste container 11c Elevating unit 11d Main body side base 12a Blade receiving mat 12b Blade receiving mat 12b Table rest 12c1 Mat / dish mounting opening 12c1 ′ For mat mounting Opening portion 12c11 Mounting space opening portion 12c12 Attachment / detachment opening portion 12c13 Standing opening portion 12c2 Gauge opening portion 12d Falling waste accumulation tray (falling waste accumulation portion)
12d 'Falling residue accumulation groove (falling residue accumulation part)
12e gauge 2 paper

Claims (5)

  A pipe-type punch that lowers the pipe-shaped perforating blade and opens holes in the paper on the blade receiving mat fitted to the base, and collects the punched residue in a punched waste container provided in the device body. A pipe-type punch characterized in that a fall dregs accumulation portion for collecting dregs falling on the base during drilling is provided around the blade receiving mat in the base. In the pipe type punch according to claim 1,
The pipe-type punch, wherein the fall dregs accumulation part is an annular fall dregs accumulation tray that is removable from the base and accommodates around the blade receiving mat. In the pipe type punch according to claim 2,
On the upper surface of the base, in addition to the mounting space opening along the outer shape of the dropping waste collecting tray so that the blade receiving mat and the falling waste collecting tray are mounted, the falling waste outside the mounting space opening is also provided. A pipe type punch provided with an opening for attaching / detaching for assisting attachment / detachment of a falling waste collecting tray by inserting a finger or the like when attaching / detaching the collecting tray. In the pipe type punch according to claim 2 or 3,
On the upper surface of the base, a paper holding portion is provided to stand up against which the front end of the paper to be punched comes into contact, and the front end portion of the falling waste collecting tray protruding from the paper holding portion is exposed to the paper holding portion. A pipe-type punch, characterized in that a standing opening is provided. In the pipe type punch according to claim 1,
The pipe type punch, wherein the fall dregs accumulation part is a fall dregs accumulation groove provided on the base and surrounding the outside of the blade receiving mat.

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