JP2824933B2 - Automatic stapler paper alignment device - Google Patents

Description

The present invention relates to an automatic stapler for clinching a sheet discharged from a copying machine with a stapler, and more particularly, to a sheet discharge tray when the stapler performs a clinch operation. The present invention relates to an automatic stapler sheet aligning apparatus capable of aligning sheets discharged to a paper stapler.

(B) Conventional technology Conventionally, there has been an automatic stapler for clinching a sheet discharged from a copying machine. However, this conventional device is configured by using a specially developed stapler itself to be attached to the copying machine. Was.

For this reason, not only is it expensive, but also the shape is large, and when it is installed in a copier, there is a problem that only that portion becomes bulky.

To solve this problem, we have developed using a stapler that is commercially available for office use.

(C) Problems to be Solved by the Invention However, the paper ejected from the copying machine is not always ejected to a fixed position due to the fluctuation of the conveying means for feeding the paper.
With the specially developed automatic stapler described above or an automatic stapler made of commercial office products, if clinching is performed at a certain position, not only will the paper not be stitched neatly due to misalignment of the paper, but also some of the paper There is a problem that it may not be stapled out of place.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an automatic stapler sheet aligning apparatus capable of automatically aligning sheets when clinching, so that the sheets can be stapled neatly.

(D) Means for solving the problem The present invention relates to a method in which a clinch position of a sheet discharged from a copying machine onto a discharge tray is changed from a standby position set on one side of the discharge tray to the clinch position. An automatic stapler that clinches with a stapler that reciprocates the paper stitcher. A base wall for aligning the ejected sheets is erected at a side edge of a sheet ejection tray facing the stapler. It is an automatic stapler paper alignment device in which a backing plate for aligning the paper by applying the paper to the base wall is provided.

(E) Operation In the paper aligning apparatus of the automatic stapler according to the present invention, when the stapler moves during clinching, the backing plate moves in the same direction in conjunction with the movement of the stapler, and presses the paper against the base wall of the facing discharge tray. And the stapler clinches the clinch position of the sheet.

(F) Effects of the Invention According to the effects described above and the present invention, the paper can be aligned between the base wall and the backing plate at the time of clinching, so that the paper can be aligned neatly and bound.

In addition, since the paper aligning structure has a configuration in which the abutment plate is connected to the moving stapler, a dedicated driving source is not required, the structure is simple, and the operation is reliably performed.

(G) Embodiment of the Invention One embodiment of the present invention will be described below in detail with reference to the drawings.

The drawings show an automatic stapler of a copying machine in which an automatic stapler is incorporated in a sorter of the copying machine. The sorter 10 shown in FIGS. 1 and 2 includes a sheet aligning device.

In the above-mentioned sorter 10, the sorter 10 has ten paper discharge trays 11 stacked vertically, and each of the above-mentioned paper discharge trays 11 has pins 12, 12 attached to both sides thereof, 1
3, 13 and engage with the spiral engraved on the peripheral surface,
One rotation of 3,13 raises or lowers one by one.

The paper copied by a copying machine (not shown) is discharged to a paper discharge path 15 formed by upper and lower guide plates 14 and 14, and then the paper discharged by upper and lower paper discharge rollers 16 and 16 is discharged. Tray 11
Are received and stacked one by one.

The configuration of the above-described sorter 10 is a well-known technique, and thus details thereof are omitted.

The automatic stapler 20 incorporated in the sorter 10 performs a clinch operation on the sheets 21 (21a, 21b) stacked on the sheet discharge tray 11a supported by the elevating rotating body 13.

For this purpose, the automatic stapler 20 is also formed obliquely so as to correspond to the inclination of the paper discharge tray 11a (see FIG. 1).

As shown in FIG. 2, the automatic stapler 20 described above is disposed on one side of the front end side of the paper discharge tray 11, and a position that does not hinder the paper discharge is set to a standby position.
To the clinch position A.

At the side edge of each of the paper output trays 11 facing the automatic stapler 20, a base wall 22 constituting a paper aligning device for aligning the paper 21 is erected, and the paper 21 is applied to the base wall 22. By attaching, the paper can be aligned.

On one side of the paper discharge tray 11 on the side facing the above-mentioned base wall 22, a contact plate 23 constituting a sheet aligning device is located, and the plate 23 is connected to a support frame 24, and A stapler 24 is connected to the stapler, which will be described later, and performs the action of applying the sheet 21 to the base wall 22 and aligning the sheet 21 in conjunction with the movement of the stapler.

 Next, the configuration of the automatic stapler 20 will be described.

That is, as shown in FIGS. 3 and 4, the automatic stapler 20 includes a clinch mechanism 30 and a moving mechanism 31.
The sliding frame 33 on which the stapler 32 is mounted is formed so as to straddle both of the mechanical units 30 and 31.

The above-described sliding frame 33 is formed such that the side of the clinch mechanism section 30 is short and the side of the moving mechanism section 31 is long in plan view (see FIG. 3), and has a U-shaped cross section (see FIG. 4). The rear side of the stapler 32 is bent so that the side of the clinch mechanism 30 side is low and horizontal when viewed from the rear.
The side on the side is high, and four guide rollers 35 are supported on the inside (see FIG. 6).

The above-mentioned guide rollers 35 are formed by upper and lower rail sides 38, 3 of a C-shaped rail 37 fixed to a fixed frame 36 provided on the sorter 10.
8, the sliding frame 33 is supported so as to be slidable from the standby position to the clinch position A and further slidable from the standby position to the outer needle loading position. The sliding frame 33 is biased toward the needle loading position by a spring 39 stretched between the moving frame 33 and the moving frame 33.

The above-described movement from the standby position to the clinch position A is driven by the above-described movement mechanism unit 31, and the movement from the standby position to the needle loading position is performed by releasing the engagement of the movement mechanism unit 31. Driven by 39 urging forces.

And the above-mentioned support frame 24 is the above-mentioned sliding frame.
The support frame 24 and the backing plate 23 also move in the same direction in conjunction with the sliding frame 33 moving the stapler 32 to the clinch position A.

When the backing plate 23 is moved, the paper 21a on the discharge tray 11a is moved.
Against the base wall 22 side like the moved paper 21b,
The paper 21 is aligned.

 The above-described clinch mechanism 30 is configured as follows.

That is, in FIG. 3, FIG. 4 and FIG. 5, a state in which the drive shaft 41 is extended to the other moving mechanism 31 on the upper part of the inverted U-shaped fixed frame 40 fixed to the sorter 10 side. The drive shaft 41 controls one rotation through an appropriate motor and a reduction gear (not shown).

Further, a clinch lever 42 is provided below the drive shaft 41 described above.
This clinch lever 42 is formed by connecting a pair of left and right sides in an inverted U-shape at the front end side, and each of the base ends is pivotally supported by the above-mentioned fixed frame 40 by a support shaft 43.

A pair of eccentric rotary cams 44 are fixed to the drive shaft 41 in correspondence with the above-mentioned clinch lever 42.
A cam groove 45 is engraved on the outer surface of the pin, and a pin 46 implanted in the clinch lever 42 is fitted into the cam groove 45 (see FIG. 5).

Therefore, when the rotary cam 44 makes one rotation, the pin 46 is guided by the cam groove 45, so that the free end side of the clinch lever 42 moves up and down by one.

The free end side of the above-mentioned clinch lever 42 has a clinch roller.
A shaft portion 48 of the clinch roller 47 is engaged with a long groove 49 to enable vertical displacement, and is urged downward by a spring 50 having strong elasticity.

Therefore, when the above-mentioned clinch lever 42 moves down and the clinch roller 47 presses the stapler 32,
The clinch position A of the paper 21 can be clinched with a needle.

A tongue piece is provided at the lower front end of the mounting portion 34 on which the stapler 32 is mounted.
When the stapler 32 moves to the clinch position A, the tongue piece 51 contacts the stopper 52 fixed to the fixed frame 36 to regulate the position of the stapler 32 to the clinch position A.

 The moving mechanism section 31 is configured as follows.

That is, in FIGS. 3, 4 and 6, a substantially heart-shaped rotary cam 60 is fixed to the shaft end of the drive shaft 41, and the upper end of the swing lever 61 is positioned close to the rotary cam 60. Is pivotally supported on a fixed frame 40 by a support shaft 62.

The above-mentioned swing lever 61 supports a roller 63 which is in contact with the above-described rotating cam 60, and the other end of a spring 64 whose one end is locked to the fixed frame 40 is locked to the swing lever 61, whereby the roller 63 Swing lever 61 so that the
To the rotating cam 60 side.

Therefore, when the rotation cam 60 is controlled by one rotation, the swing lever 61 reciprocates one time.

A pressing piece 65 is pivotally attached to the lower end of the above-mentioned rocking lever 61 by a support shaft 66, and a hitting piece 67 is continuously provided on the upper front surface of the pressing piece 65 so as to abut on the front surface of the rocking lever 61, It is urged by a spring 68.

A contact lever 69 is located on the upper surface of the bottom of the sliding frame 33 and opposed to the pressing piece 65, and an intermediate portion of the contact lever 69 stands on the upper surface of the bottom of the sliding frame 33. The supporting member 70 is fixedly supported by a support shaft 71, a roller 72 that contacts the pressing piece 65 is supported on the rear end side, and a lower surface on the front end side is connected to the supporting member 70 described above. The roller 72 is brought into contact with the stopper 73 to regulate the position where the roller 72 comes into contact with the pressing piece 65, and is pressed and urged by the spring 74.

Therefore, when the swing lever 61 swings forward, the contact piece 69 is pushed by the pressing piece 65, and the sliding frame
When the lever 33 moves to the clinch position A side and the swing lever 61 moves backward, the spring urging the sliding frame 33 is moved.
The sliding frame 33 can also be retracted to the standby position by 39.

Therefore, the swing lever 61 is moved by one rotation of the rotary cam 60.
When the sliding frame 33 reciprocates, the sliding frame 33 also reciprocates one time.
Are synchronized, the stapler 32 can clinch to the clinch position A of the paper 21.

Further, as described above, the stapler 32 is moved to the clinch position A.
In synchronization with the movement of the paper tray, the backing plate 23 of the paper aligning device also moves toward the base wall 22 of the paper discharge tray 11 opposite thereto, and during this movement, the paper 21a on the paper discharge tray 11a moves. Then, since the paper 21 is affixed to the base wall 22 like the paper 21b and aligned, even if the paper 21 sent from the copying machine is discharged to a negatively aligned position, the paper 21 can be neatly aligned and bound. .

In addition, since the aligning structure of the paper 21 is configured by connecting the contact plate 23 to the moving stapler 32, a dedicated driving source is not required, the structure is simple, and it works reliably. .

Note that the paper aligning apparatus of the present invention is not limited to the configuration of the embodiment.

[Brief description of the drawings]

 1 is a sectional front view of a sorter, FIG. 2 is a partially cutaway plan view of a sorter, FIG. 3 is a partial sectional plan view of an automatic stapler, FIG. The figure is a partial cross-sectional rear view of the automatic stapler, FIG. 5 is a cross-sectional side view of the clinch mechanism, and FIG. 6 is a partially cut-away cross-sectional side view of the moving mechanism. 20 ... automatic stapler, 21 ... paper 22 ... base wall, 23 ... backing plate 24 ... support frame, 30 ... clinch mechanism 31 ... moving mechanism 32, stapler

Continuation of front page (58) Field surveyed (Int.Cl. ⁶ , DB name) B65H 37 / 04,39 / 11 G03G 15/00 534 B42C 1/12

Claims (1)

(57) [Claims] An automatic stapler for clinching a sheet discharged from a copying machine onto a sheet discharge tray with a stapler reciprocating from a standby position set at one side of the sheet discharge tray to the clinch position; Wherein at a side edge portion of the discharge tray on the side facing the stapler,
An automatic stapler sheet aligning apparatus, wherein a base wall for aligning discharged sheets is erected, and a stabilizing plate is provided on the stapler to align the discharged sheets against the base wall.