JPS633768Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Technical Field of the Invention] The present invention relates to a paper binding machine, which is suitable as a tabletop type, and is capable of folding a stapler needle into paper sheets for binding and forming folds in the binding. Regarding the structure that was created.

[Technical background of the invention and its problems]

Conventional desk-top paper binding machines of this type are capable of binding sheets along the edges of stacked sheets with a stapler needle, but cannot bind in the middle of the sheets, and they also do not allow folds to be created in the binding. When opening the folded paper sheets, the folds must be formed by hand.
It was inconvenient.

[Purpose of invention]

The present invention was developed in view of the above-mentioned drawbacks, and it is possible to staple paper sheets fed onto the paper feed table at any position with a stapler needle, and also to form creases in the binding as necessary. The purpose of the present invention is to provide a paper binding machine that is particularly suitable as a tabletop type.

[Summary of the idea]

The paper binding machine of the present invention is located in a gap formed in the middle of a paper feed tray, and a needle guard and a folded paper body are arranged in a substantially straight position at a position slightly lower than the upper surface of this paper feed tray, and A paper binding machine main body is provided which faces and separates from each other and drives stapler needles into paper sheets for binding, and a pair of paper folding rods are provided which clamp paper sheets from both sides of the folded paper body to form folds. A paper binding handle and a paper folding actuating plate that are slidable in a long groove of a paper folding actuating plate that is provided to be able to move up and down, and that are biased and supported in a direction toward each other and that actuate the paper binding machine main body toward a needle receiver. By operating the paper binding handle, the main body of the paper binding machine is actuated to drive the stapler needle into the paper sheets to staple the paper sheets. Also, by operating the paper binding handle, the binding section It is possible to form creases on the surface.

[Example of idea]

Next, the structure of an embodiment of the present invention will be explained with reference to the drawings.

1 is a paper binding machine body, and both frames 2 of this machine body 1
A horizontal first paper feed tray 3 is provided at the front part of the gap, and a paper feed plate 4 is rotatably connected to the inner end of the first paper feed tray 3 by a shaft 5. The paper feed plate 4 is biased upward by a spring 6 and is normally held so as to be substantially flush with the top surface of the first paper feed tray 3.

In addition, on the rear side between both frames 2 of the machine body 1, a second paper feed tray 7 is provided on the same plane as the first paper feed tray 3 with a gap between it and the inner end of the paper feed plate 4. A downwardly curved paper guide portion 7 _a is formed at the inner end of the second paper feed table 7 .

The machine body 1 also includes a needle receiver that is located between the paper feed plate 4 and the second paper feed tray 7 and has a needle receiver surface 8 at the upper end located slightly below the position of the first paper feed tray 3. 9 are provided at intervals in the width direction of the fuselage 1.
A well-known stapler needle receiving recess is formed on the upper surface of the needle receiver 9.

Next, a paper feed tray 3 is placed between the frames 2 on both sides of the machine body 1.
Both ends of a paper binding operation shaft 10 are rotatably supported at an upper position, and a pair of paper binding operation shafts 10 are located near the base end of a paper binding handle 11 and the frames 2 on both sides of the machine body 1. The front ends of the pair of actuating arms 12 are connected to each other by a connecting shaft 13, and the connecting shaft 13 has a plurality of rods located between the actuating arms 12 and spaced apart from each other. A trochanter 14 is rotatably fitted.

Next, 15 is a paper binding machine main body, and these multiple main bodies 15
The rear end of each main body 15 is attached to the mounting plate 17 of the stay 16 fixed between the frames of the machine body 1 so as to be rotatable in correspondence with the needle receiver 9 by a shaft 38, and the front end of each main body 15 has a A well-known stapler needle pressing head 18 is provided which can be raised and lowered, and this head 18
The pressed portion is pressed downward by the trochanter 14, and the lower end stapler pressing portion of the head 18 is opposed to the upper surface of the needle guard 9. Further, each main body 15 is secured to the tip of an elastic spring piece 19 whose base end is fixed to the stay 16, and the tip of each main body 15 is biased upward by the spring piece 19.

Further, on the outside of the frames 2 on both sides of the body 1, there are guide rails 2 fixed to the frames 2 on both sides.
A paper folding actuating plate 21 is provided which is raised and lowered by being guided on both sides by the paper folding actuating plates 21 and 20. A horizontal elongated hole 22 is formed in both the paper folding actuating plates 21, and a pair of paper folding rods 23 are inserted into the elongated hole 22. , 23 are slidably inserted and supported, and the paper folding bars 23, 23 have a portion corresponding to the needle receiver 9 formed with a small diameter. Both ends of a coil spring 24 attached to the paper folding operation plates 21 are engaged with the outer sides of the paper folding bars 23, 23, and the coil springs 24 cause the paper folding bars 23, 23 to
are energized in the direction of approaching each other.

Further, a folded paper body 25 is provided on the machine body 1, facing the paper folding bars 23, 23 and located substantially on the same straight line between the needle receivers 9, and the upper end of this folded paper body 25 is located on the same straight line between the needle receivers 9. The folded paper body 25 is approximately the same height as the upper end of the receiver 9.
The upper edge of is formed into a sharp shape by an inclined surface 37. Further, a trochanter 26 is mounted on a shaft at the lower part of the paper folding actuating plate 21, and this trochanter 26 is attached to the lower end of a paper folding arm 27 provided on both sides of the frame 2 of the machine body 1. It is rotatably engaged with the holding frame piece 28, and both holding frame pieces 28 are biased upward by a coiled spring 29 that is engaged with the guide rail 20.

Further, the base ends of the paper folding arms 27 on both sides are fixed to a paper folding operation shaft 30 whose both ends are rotatably supported on both frames 2 of the machine body 1, and this paper folding operation shaft 30 has a paper folding handle 31. The proximal end of is attached.

Further, a stopper piece 32 is rotatably supported on one frame 2 of the body 1, and the one paper folding bar 23 is detachably engaged with the lower part of the stopper piece 32 when in the lowered state. An engaging edge 33 is formed.

Furthermore, an engagement protrusion (not shown) that engages with the upper surface of the paper feed plate 4 is provided on one of the paper folding actuation plates 21 in a protruding manner.

Note that a paper positioning ruler (not shown) is provided on the upper surface of the second paper feed tray 7.

Next, the operation of this embodiment will be explained.

The stacked paper sheets 35 to be bound are inserted from the first paper feed tray 3, and the leading edge of the paper sheets 35 is transferred to the second paper feed tray 7.
Abut against the ruler and position.

In this state, the part of the sheet 35 to be bound is positioned on the needle receiving surface 8 of the needle guard 9.

Next, when the paper folding handle 31 is pushed downward, the paper folding operation shaft 30 is rotated, and the paper folding arm 2
7 is rotated downward, and the downward rotation of the paper folding arm 27 pushes the roller 26 downward, and the paper folding actuating plate 21 is lowered against the force of the spring 29. This paper folding operation plate 2
The paper folding rods 23, 2 supported in the elongated holes 22 by the descent of 1
3 is lowered, and the inner end side of the paper feed plate 4 is also inclined downward against the force of the spring 6. Then, as the paper folding bars 23, 23 descend, the portion of the paper sheet 35 located between the paper feed plate 4 and the second paper feed table 7 is pressed downward, and as shown in FIG. 23, 23 fold the paper sheet 35 by sandwiching the inclined surface 37 of the folded paper body 25, and the folded portion _35a of the paper sheet 35 floats upward. When the paper binding handle 11 is pushed down in this state, the paper binding operation shaft 10 is rotated, and the operating arm 12
is rotated downward, and this actuating arm 12 pushes the head 18 of the paper binding machine main body 15, and the main body 15 is rotated downward about the shaft 38, and this main body 15 moves the folding part of the sheet 35. 35 When it comes into contact with _a , head 1
8 is lowered, the stapler needle is driven into the folded portion _35a of the paper sheet 35, and the sheet is bent at the needle receiver 9 and stapled.

Then, when the pressure on the paper binding handle 11 is released, the main body 15 returns upward by the spring piece 19, and
When the pressure on the paper folding handle 31 is released, the paper folding operation plate 21 is returned upward by the spring 29, and the paper folding bars 23, 23 are raised by the rise of the paper folding operation plate 21, and the paper sheet 35 is folded. It is possible to untie the section _35a and pull out the bound paper sheets 35.

If it is not necessary to form a fold on the paper sheet 35, the paper folding handle 31 is lowered as described above before the paper sheet 35 is fed, and the paper folding rod 23 is lowered by lowering the paper folding operation plate 21. 23 also descends, and this paper folding bar 23,2
3 is positioned below the upper edge of the paper folding body 25, and in this state, the engagement edge 33 of the stopper piece 32 is engaged with one of the paper folding bars 23, and the paper folding bars 23, 23 are held in a lowered state. do. In this state, when a sheet is inserted from the paper feed tray 3 and the paper binding handle 11 is pushed down as described above, the paper binding machine main body 15 drives the stapler needle into the sheet 35 and staples the sheet. No creases are formed.

Further, when the number of locations where paper sheets 35 are to be stapled is smaller than the number of main bodies 15, the stapler needles are removed from unnecessary locations of the main body 15 in advance and the paper binding operation is not performed.

[Effect of idea]

According to the present invention, since the needle catch and the folded paper body are arranged in the gap between the paper feed trays, the paper sheets can be stacked not only at the edge but also at any intermediate position. A fold can be easily formed at the stapling position, and moreover, stapling and fold formation can be performed at the same location by operating the handle, and the operability is good.

[Brief explanation of the drawing]

FIG. 1 is a side view of a paper binding machine showing an embodiment of the present invention, and FIG. 2 is a side view showing the state of the same paper binding machine during folding. 3, 7... Paper feed stand, 9... Needle holder, 11... Paper binding handle, 21... Paper folding operation plate, 22... Long hole,
23...paper folding stick, 25...paper folding body, 31...paper folding handle, 35...paper leaf.

Claims (1)

[Scope of utility model registration request] A needle holder and a folded paper body are arranged in a substantially straight line at a position slightly lower than the top surface of the paper feeding tray in a gap formed in the middle of the paper feeding tray, and are moved toward and away from the needle holder. A paper folding machine that is provided with a paper binding machine main body that drives stapler needles into paper sheets for binding, and a pair of paper folding bars that can be raised and lowered to clamp paper sheets from both sides of the folded paper body and form folds. A paper binding handle that is slidable in a long groove of the operating plate and biased and supported in a direction toward each other to operate the paper binding machine main body toward the needle receiver; and a paper folding handle that lowers the paper folding operating plate. A paper binding machine characterized by being provided with.