JPH078155Y2 - Paper cutting device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Field of Industrial Application) The present invention relates to a paper sheet cutting device, and mainly relates to a paper sheet cutting device according to a scale.

(Prior Art) Conventionally, as a paper sheet cutting device of this type, for example, a structure described in Japanese Utility Model Publication No. 61-140892 is known. In the structure described in this publication, a pair of bearing pieces are erected upright on one end of the substrate, and the base end of the ruler body is rotatably mounted vertically via a spindle between the pair of bearing pieces. A cutter is movably provided in the lengthwise direction of the ruler body through a guide rail in the widthwise middle portion.

(Problems to be Solved by the Invention) In the structure described in the above publication, at the time of cutting a paper sheet, the ruler body is rotated upward with the support shaft as the rotation center, and the paper sheet is placed between the ruler body and the substrate. This is for inserting and aligning the cutting position of this paper sheet, but at this time, there is no structure for aligning the paper sheet on the board etc., so that the ruler body is held on one hand and separated from the board Insert the paper sheet with the other hand,
Moreover, this paper sheet must be aligned while moving, and when the paper sheet is placed on the substrate, the paper sheet larger than this substrate is supported only on the substrate in a narrow space, There is a problem in that the support of the paper sheet lacks stability due to the step difference from the substrate installation surface based on the thickness of the paper sheet, and the paper sheet is apt to be displaced, so that it is not convenient in handling.

Therefore, the present invention has been made in view of such a problem, and makes it possible to support a paper sheet in a wide space when cutting the paper sheet, and to convert the paper sheet into a minimum space when not in use without cutting the paper sheet. , This allows
An object of the present invention is to provide a paper sheet cutting device capable of guiding and supporting a paper sheet with good stability and easily aligning the paper sheet, and thus greatly improving the usability in handling. To do.

[Constitution of device]

(Means for Solving the Problems) A paper sheet cutting device of the present invention is a body base having a flat surface on which a paper sheet is placed, and a top end of the body base which is openable and closable via a spindle. A scale main body provided movably with a cutter for cutting the paper sheet attached to the main body base; And a paper sheet guide body having a placement surface set to the same level.

(Operation) In the paper sheet cutting device of the present invention, the guide body is pulled out from the accommodating portion of the main body base and the guide body is projected in the direction orthogonal to the main body base when cutting the paper sheet. As a result, the mounting surface of the guide body is automatically set to the same level as the smooth surface of the main body base, and the smooth surface and the mounting surface constitute a paper sheet supporting surface having a wide space.

Next, the scale main body is rotated upward about the support shaft to open the smooth surface of the main body base, and paper sheets are set on the smooth surface of the main body base and the mounting surface of the guide body. The cut portion of the paper sheet is easily aligned through the guide of the guide body.

Then, the scale body is rotated downward about the spindle, and the scale body is superposed on the paper sheet on the body base.
The paper sheet is held between the lower surface of the scale body and the smooth surface of the body base, and the cutter is moved to the cutting portion of the paper sheet to cut the paper sheet.

Embodiment An embodiment of the present invention will be described below with reference to the drawings.

In the figure, reference numeral 1 denotes a main body base, which is made of synthetic resin and extends in the left-right direction with a predetermined width, and a smooth surface 2 on which a paper sheet is placed is formed on an upper surface portion thereof. At the same time, in the vicinity of the front edge in the width direction of the smooth surface 2, a cut surface 3 having a predetermined narrow width in the left-right direction and having scratch resistance is formed in the same plane as the smooth surface 2 in a band shape, and the base having the cut surface 3 is formed. The member 3a is integrally fitted in the mounting recess 1a of the main body base 1. An engaging recess 5 as a guide recess is formed at one end of the upper surface of the main body base 1 via a step 4 that is lower than the smooth surface 2, and the engaging bottom plate 6 of the engaging recess 5 is formed. The elastic supporting portion 8 is formed by the cut groove 7 cut in a U shape. An engaging recess 9 serving as a guide recess is formed on the outer side of the elastic supporting portion 8 at a position lower than the engaging bottom plate 6 via a step 9a so as to be inclined outwardly at a high level. Bearing recesses 11 are formed opposite to each other on the inner wall portion of the guide ridge 10 that is parallel to both side edges in the width direction formed with the engaging bottom plate 6. A support recess 13 having an inward opening surrounded by a U-shaped edge frame 12 is formed at the other end of the upper surface of the main body base 1.

Next, scale holders 15 are rotatably mounted in the bearing recesses 11 of the guide ridges 10 at one end of the main body base 1 so as to be rotatable in the left-right direction via support shafts 14 on both sides in the width direction. . The scale holder 15 is formed of synthetic resin into a substantially rectangular shape in plan view with a width that is engageably and disengageably engaged with the engaging recess 5 and the locking recess 9, and the scale holder 15 is provided on both sides in the outer width direction. An elastic mounting piece 17 is formed by the cut groove 16 cut,
On the outer sides in the width direction near the outer ends of the elastic mounting pieces 17 on both sides, the support shafts 14 that are press fit into the bearing recesses 11 and are rotatable are integrally provided. In addition, an engaging projection 19 which is engaged with and disengageably engages with the elastic support portion 8 is integrally provided at the outer edge of the scale holder 15 in the width direction thereof. Further, the scale holder 15 is formed with a hollow insertion part 21 having an insertion opening 20 at the inner end thereof, and one end of a scale main body 23 having a guide rail 22 is press-fitted and locked in the hollow insertion part 21. There is.

The scale body 23 is formed of a transparent synthetic resin and extends in the left-right direction with a width such that the engagement recess 5, the locking recess 9 and the support recess 13 are engageably and disengageably engaged. The guide rail 22 made of transparent synthetic resin is integrally formed on the upper part of the portion, and the guide rail 22 has a supporting leg portion 24 and a large diameter engaging portion 25 at the upper end portion and is formed in a T-shaped cross section. ing.

Next, a cutter body 26 is attached to the guide rail 22 so as to be movable in the left-right direction. This cutter body 26
The slider 27 slidably attached to the guide rail 22 from the front-rear direction is made of synthetic resin, and the slider 27 holds the large-diameter engaging portion 25 of the guide rail 22 at the upper part thereof. A holding portion 28 is formed, and a rib 29, which engages with the supporting leg portion 24 of the guide rail 22 from the front-rear direction, is horizontally provided at a lower portion of the holding portion 28. A rib 30 engaged on the smooth upper surface of 23 is provided so as to project horizontally. Further, a projecting piece 31 is integrally projectingly provided on an upper portion of one end in the left-right direction of the holding portion 28 of the slider 27.
An operating body 32 having a U-shaped cross section is rotatably mounted on the upper end of the operating body 32 through a support shaft 33 so as to be rotatable in the up-down direction. The upper portion of the cutter 35 is integrally embedded and fixed in the cutter holder 34 located on the cutting surface 3, and the rear lower portion of the tip portion of the operating body 32 is engaged with the rear upper portion of the slider 27. A stopper 36 is formed in a vertical shape, and an operation button 37 is integrally projected on the upper end of the tip of the operation body 32. Then, when the operation body 32 is rotated downward with the support shaft 33 as the rotation center by the operation button 37, the lower end of the stopper 36 is engaged and locked with the rear upper portion of the holding portion 28 of the slider 27. At the same time, the cutting edge of the lower end of the cutter 35 is brought into pressure contact sliding on the lower cutting surface 3 of the scale body 23. Further, an elastic support piece 38 made of synthetic resin is integrally formed on the upper part of the middle of the holding portion 28 of the slider 27 so as to project.
The folded free end 39 of the elastic support piece 38 is engaged with a projection piece 40 that is provided at the bottom of the operation button 37. The elastic support piece 38 causes the operating body 32 to be constantly urged and rotated upward about the support shaft 33, and the cutter 35 thereof to be constantly cut.
Are separated from each other. Further, the operation button 37 is covered with a cover body 41, and the cover body 41
At the upper part of the guide port 42, the operation button 37 is movably projected.
Is opened.

Next, on the rear surface of the main body base 1, a housing portion 43 is provided on the rear side thereof as an integral locking projection 44.
The guide projection 45 is integrally formed in the width direction of the back surface of the main body base 1 at a predetermined distance from the one end of the locking projection 44 to the outside. The locking projections 46, 47 are integrally projected horizontally at the end and the rear end of the locking projection 44, and are inserted between the locking projections 46, 47 and the back surface of the main body base 1. Recesses 48 and 49 are formed.

Further, on the back surface of the main body base 1, the guide protrusion
A stopper body 50 having a U-shaped cross section is integrally formed on the inner front portion of the 45, and the insertion port 51 of the stopper body 50 is formed in the accommodating portion.
It is opened to communicate with one end of 43. Further, it is located at the rear part of the insertion opening 51 of the stopper body 50,
A guide long groove 52, a rotation center shaft 53, and a small diameter projection 54, which are long in the front-rear direction, are formed on the back surface of the main body base 1 at 43.

In addition, a guide body 55 that guides the paper sheet is accommodated in the accommodating portion 43 so as to be freely inserted and removed. The guide body 55 is formed of synthetic resin so as to extend in the left-right direction with a predetermined width, and a placing surface 56 on which the paper sheet P is placed is formed smoothly on the upper surface portion thereof. A guide piece 57, which also serves as a stopper, is formed upright in the left-right direction above the rear end edge in the width direction, and the inner wall surface of the guide piece 47 and the inner end portions 10a of the front and rear guide ridges 10 are flush with each other. In addition, the guide piece 57 is detachably engaged with the engagement edge portion 58 at the rear end of the main body base 1. A sliding plate portion 59 is integrally formed horizontally at the base end portion of the guide body 55, and the upper surface portion of the sliding plate portion 59 is locked to a continuous portion with the mounting surface 56. A portion 60 is formed in the width direction, and the locking step portion 60 is releasably locked to a locking edge portion 61 at the rear end portion of the main body base 1 facing the rear portion of the rotation center shaft 53. A tapered guide surface 62 is formed on the inner side of the front edge of the locking step portion 60 so as to incline forward and downward. Further, a locking projection 63 that can be inserted into and removed from the stopper body 50 is integrally formed at the outer end of the sliding plate 56, and the locking projection 63 has an upper portion in the middle in the width direction of the projection. A large-diameter projection 64 is formed so as to be engageable with and disengageable from the long guide groove 52 and the small-diameter projection 54.
Further, a sliding long groove 65 is formed in the left and right direction, through which the rotation center shaft 53 is inserted so as to be rotatable and movable back and forth, in a substantially middle portion of the sliding plate portion 56. Is the small diameter protrusion
A guide long groove 66 for engaging and disengaging 54 is formed. Further, a locking tongue piece 67 projectingly provided in the rear end of the sliding plate portion 56 is removably inserted and locked in the insertion recess 48. further,
A sliding concave portion 68 is formed on the back surface of the sliding plate portion 59, and the sliding concave portion 68 accommodates the guide body 55 in the accommodating portion 43 and the sliding elongated hole 65. The rotation center axis
With the disc 53 inserted, the disc spring 69 is engaged, and the disc spring 69 is fixed by the screw 72 inserted from the insertion hole 70 of the disc spring 69 to the screw hole 71 of the rotation center shaft 53. Has been done. The disc spring 69 is formed of synthetic resin into a substantially conical shape, and a plurality of arcuate cut grooves 73 are formed on the outer side of the insertion hole 70.
Thus, the guide body 55 is always urged and held in the accommodating portion 43. Further, an insertion portion 74 that can be inserted into and removed from the insertion concave portion 49 of the main body base 1 is formed at the tip end portion of the guide body 55, and the guide portion is formed at the rear end portion of the main body base 1 near the insertion concave portion 49. An arcuate recess is formed on the guide piece 57 of the body 55. In the figure, reference numeral 76 is a non-slip body embedded in the back surface of both sides of the main body base 1, and A is a mounting hole for suspension. Although not shown, the scale main body 23 and the guide body 55 are provided with a scale for measurement.

Next, a usage example of the above embodiment will be described.

When the scale main body 23 on the main body base 1 is lifted, for example, by gripping the guide rail 22 at a predetermined position, the tip end of the scale main body 23 is disengaged from the support recess 13 of the main body base 1, and the scale main body 23 is removed. And the scale holder 15 that supports the support shaft 14 in the front and rear bearing recesses 11.
It is rotated outward from the direction away from the main body base 1 about the center of the main body base 1, and the engaging protrusion 19 of the scale holder 15 is rotated.
Is locked to the elastic support portion 8 of the engagement bottom plate 6 in the engagement recess 5. As a result, the upper surfaces of the smooth surface 2 and the cut surface 3 of the main body base 1 are opened, and the scale main body 23 is fixed to the main body base 1 by the elastic support portion 8, the engaging projections 19 and the support shafts 14 at the front and rear portions. On the other hand, it is erected and supported on the engagement concave portion 5 in a state of being rotated and inclined by more than 90 degrees.

Next, the paper sheet P for cutting is arranged on the upper surfaces of the smooth surface 2 and the cut surface 3 of the main body base 1, but at this time, a hand or a member accidentally collides with the scale main body 23. An external force is applied such that the scale body 23 is rotated outward, or it is necessary to further rotate the scale body 23 to rotate it near 180 degrees, so that the scale body 23 is rotated outward. When an external force is applied so that the scale holder 15 moves, the scale holder 15 is further pivoted outwardly about the front and rear support shafts 14 against the elastic support portion 8 via the engagement protrusions 19 to engage the engagement protrusions. The piece 19 is disengaged from the elastic support portion 8, and the lower rotation portion of the scale holder 15 and the base end portion of the guide rail 22 are engaged and locked in the locking recess 9. This prevents the scale main body 23 and its shaft-attached portion from being broken or damaged by an external force, and the scale main body 23 and the scale holder 15 are largely rotated 180 degrees outward of the main body base 1 to extend. Be present.

Next, when a finger is put from the arcuate recessed portion 75 of the main body base 1 to the guide piece 57 of the guide body 55 and the guide body 55 is pushed outward through the guide piece 57, the insertion portion 74 of the guide body 55 is inserted. Is disengaged from the insertion recess 49 of the accommodating portion 43 of the main body base 1, and the guide body 55 is rotated outwardly of the main body base 1 about the rotation center shaft 53 via the sliding long groove 65 of the sliding plate portion 59. The guide member 55 is moved and pulled out from the housing portion 43, and one side portion of the sliding plate portion 59 of the guide body 55 is inserted into the insertion recess 48 of the main body base 1.
The large diameter projection of this guide body 55 before it is inserted into
64 is disengaged from the small-diameter protrusion 54 in the accommodating portion 43, and the large-diameter protrusion 64 is engaged with the back surface portion of the main body base 1 in the accommodating portion 43, and the small-diameter protrusion 54 is a sliding plate of the guide body 55. Department
59 is engaged. In this case, the large-diameter protrusion 64 is larger than the small-diameter protrusion 54.
Has a large projection upward, and a small diameter projection
Since 54 is formed on the outer side of the rotation center shaft 53, the large-diameter projection 64 is disengaged from the small-diameter projection 54 by the rotation, and the sliding plate of the guide body 55 is coupled with the biasing force of the disc spring 69. A level at which the insertion side of the portion 59 with respect to the insertion recess 48 is automatically tilted toward the back surface of the main body base 1 and displaced toward the rear side, and the insertion side of the sliding plate 59 is inserted into the insertion recess 48. Is converted to. Then, in this state, the guide body 55 is further rotated outward about the rotation center shaft 53, and the guide body 55 is rotated.
Is rotated about 90 degrees so as to be orthogonal to the main body base 1, the large diameter protrusion 64 is engaged in the guide long groove 52, the small diameter protrusion 54 is engaged in the guide long groove 66, and the sliding plate is The insertion side portion of the portion 59 and the locking tongue piece 67 are inserted into the insertion recess 48, and
The sliding plate portion 59 is automatically converted into a horizontal state along the back surface portion of the main body base 1 from a state of being inclined in cooperation with the biasing force of the disc spring 69.

Then, when the guide body 55 is pushed into the body base 1, the large-diameter projection 64, the small-diameter projection 54, the guide long groove 66, and the rotation center shaft 53 of the rotation center shaft 53 slide 65 in the guide body 55. These serve as guides for each other along the
It is pushed in front of the main body base 1 against, and the locking projection 63 of the sliding plate 59 is inserted into the stopper body 50 through the insertion opening 51. As a result, the guide body 55 is projectingly locked to the rear portion of the main body base 1 in an orthogonal state, and
The mounting surface 56 of the guide body 55 against the smooth surface 2 of the main body base 1
Are set to the same level and the guide piece of the guide body 55
The inner wall surface 57 and the inner end portions 10a of the front and rear guide ridges 10 are the paper sheet P.
Are formed in the same plane to facilitate guiding the insertion of the. Then, the smooth surface 2 of the main body base 1 and the mounting surface 56 of the guide body 55 constitute a paper sheet supporting surface having a wide space.

Next, the paper sheet P is placed on the smooth surface 2, the cut surface 3 of the main body base 1 and the placement surface 56 of the guide body 55, and the paper sheet P is attached to the inner wall surface of the guide piece 57 and the guide ridge 10. It is aligned with the inner end portion 10a of the. Next, the scale main body 23 and the scale holder 15 are returned and rotated around the support shafts 14 in the front and rear directions on the main body base 1 in the opposite direction to the above-mentioned case, and the scale main body 23 is placed on the main body base 1 and the paper sheet P is attached. The scale main body 23 is superposed on the main body 1, and the tip end portion of the scale main body 23 is fitted into the support recess 13 on the main body base 1. In this case, the engagement protrusion 19 of the scale holder 15 is returned and rotated against the elastic support portion 8. As a result, the vicinity of the cut portion of the paper sheet P is sandwiched between the smooth surface 2 of the main body base 1 and the scale main body 23.

Next, when the cover body 41 of the cutter body 26 is gripped and the operation button 37 is pushed downward while the cutter body 26 is installed at one end of the guide rail 22, the operation body 32 of the operation button 37 is pressed. Has its free end 39 centered on the spindle 33.
And, the cutter holder 34 of the operating body 32 is lowered and the cutter 35 of the cutter holder 34 is lowered onto the cutting surface 3 while being rotated downwardly against the elastic support piece 38 via the projecting piece 40. Contacted. Then, in this state, when the cutter body 26 is moved toward the other end of the guide rail 22, the cutter body 26 is moved to the slider 27.
The guide 29 is slid along the guide rail 22, and at this time, the ribs 29 at the front and rear of the holding portion 28 slide along the front and rear portions of the supporting leg portion 24, and Since the ribs 30 are slid along the front and rear portions of the smooth upper surface of the scale body 23, the cutter body 26 is stably moved along the guide rail 22, and thus the cutter 35 is stable with respect to the cutting surface 3. The paper 35 is moved with good performance, and the paper sheet P is accurately cut by the cutter 35 at a predetermined cutting position. When the operation button 37 of the cutter body 26 is released,
The operating body 32 is automatically pushed up and rotated about the support shaft 33 by the restoring force of the elastic support piece 38, and one side portion of the operating button 37 is locked to the guide port 42 of the cover body 41 to operate the operating body 32. The rotation of the cutter is locked, and the cutter 35 is returned above the cutting surface 3 in preparation for the next cutting operation.

Next, when storing the guide body 55,
Contrary to the above-mentioned case where 55 is pulled out, when this guide body 55 is pulled in the direction of separating from the main body base 1, this sliding plate portion 59 causes the rotation center shaft 53, the sliding long hole 65, and the small diameter protrusion 54. The large-diameter projection 64 and the elongated guide holes 52, 66 are guided to slide in the pulling direction, and the locking projection 63 of the sliding plate portion 59 is pulled out from the stopper body 50 and removed.

Then, when the guide body 55 is rotated around the rotation center shaft 53 toward the housing portion 43 side, the large diameter protrusion 64 is disengaged from the guide long groove 52, and the small diameter protrusion 54 is disengaged from the guide long groove 66,
The large-diameter projections 64 and the small-diameter projections 54 are engaged with the respective opposing surface portions by the biasing force of the disc springs 69 and slide.
Then, by further rotating the guide body 55 around the rotation center shaft 53, the guide body 55 is guided by its guide surface.
62 is gradually accommodated in the accommodating portion 43, the inserting portion 74 of the guide body 55 is inserted into the inserting concave portion 49 of the main body base 1, and the large diameter protrusion 64 is again opposed to the disc spring 69.
And the guide piece 57 of the guide body 55 is locked to the locking edge portion 58 at the rear end of the main body base 1. This allows
The guide body 55 is accommodated in the accommodating portion 43 on the back surface of the main body base 1, and is automatically locked by the disc spring 69, the large diameter protrusion 64 and the small diameter protrusion 54.

[Effect of device]

According to the present invention, the guide body for guiding and supporting the paper sheet is stored in the housing portion of the main body base so that the guide body can be freely taken in and out. Therefore, when the paper sheet is cut, the guide body is pulled out in the direction orthogonal to the main body base. The placement surface and the smooth surface of the main body base can be automatically set to the same level, and the wide space consisting of the placement surface and the smooth surface at the same level guides and supports the paper sheet stably and smoothly. In addition, it is possible to prevent misalignment by the guide of the guide body and easily align the guide body, and to provide the guide body by accommodating the guide body in the accommodating portion of the main body base when not in use without cutting the paper sheet. As a result, the entire size does not increase, and the size can be reduced. Therefore, the handling convenience can be greatly improved.

[Brief description of drawings]

FIG. 1 shows an embodiment of the present invention. FIG. 1 is a plan view of a paper sheet cutting device, FIG. 2 is a side view of the same scale body in an open state, and FIG. FIG. 4 is a side view of the same, FIG. 5 is a cross-sectional view of the scale body attachment portion, FIG. 6 is a partial plan view showing a state where the guide body is pulled out, FIG. 7 is a rear view of the body base, and FIG. Is an exploded perspective view, FIG. 9 and FIG.
The figure is a cross-sectional view of the cutter body. 1 …… Main body base, 2 …… Smooth surface, 14 …… Spindle, 23 ……
Scale body, 35 …… Cutter, 43 …… Container, 55 ……
Guide body, 56 ... mounting surface, P ... paper sheet.

Claims (1)

[Scope of utility model registration request] 1. A main body base having a smooth surface on which a paper sheet is placed, and a cutter which is attached to one upper end of the main body base to open and close via a support shaft to cut a paper sheet are movable. A sheet having a scale main body provided on the main body base and a placement surface that is stored in the storage portion of the main body base and is set to the same level as the smooth surface by being drawn in a direction orthogonal to the main body base. A paper sheet cutting device comprising: a guide body.