JP6999154B2 - Sheet bundle processing device - Google Patents

Description

The present invention relates to a sheet bundle processing device capable of binding a sheet bundle or removing staples from the sheet bundle.

Conventionally, steps have been generally used as a means for bundling a plurality of sheets so as not to disperse them, and for example, there are steps made of metal (Patent Document 1).

Further, when the stepped sheet bundle needs to be separated into individual sheets again for various reasons, the work of removing the steps from the sheet bundle is required. In order to facilitate this staple removal work, it is conventionally composed of a pair of levers and a claw provided at the tip of the lever, and the user is provided at the tip of the lever by grasping the pair of levers. Many devices for removing staples from a sheet bundle by deforming the staples by the action of a claw, and devices for improving the staples have been proposed (Patent Document 2).

Further, a tool for removing staples by a punching method has been proposed in which staples bound to an object such as paper are cut out and removed including a part of the staples and the staples surrounding the staple binding portion with a punch blade. (Patent Document 3). Further, a sheet processing device having a staple removing device for automatically removing the staples binding the sheet bundle has been proposed (Patent Document 4).

Japanese Unexamined Patent Publication No. 2004-142074 Japanese Unexamined Patent Publication No. 1-306185 Japanese Patent No. 5344332 Japanese Unexamined Patent Publication No. 6-1886807

As described above, a dedicated device for binding a sheet bundle consisting of a plurality of sheets has been proposed, and a dedicated device for removing staples for binding the sheet bundle from the sheet bundle has been proposed, but there is no device that can be shared. In order to bind the sheet bundles and remove the staples, it is necessary to use a dedicated device for each. Using a dedicated device for each has problems such as troublesome handling and high cost.

The present invention has been made in view of this point, and a sheet can be bound with a single device or staples can be removed from the sheet bundle, which is easy to handle and low cost. It is an object of the present invention to provide a bundle processing apparatus.

In order to solve the above-mentioned problems and achieve the object, the present invention is configured as follows.

The invention according to claim 1 comprises a binding portion for binding a bundle of sheets composed of a plurality of sheets, and a binding portion.
A removal part that removes the staples that bind the sheet bundle from the sheet bundle,
A driving means for moving the binding portion and the removing portion,
A staple presence / absence detection means for detecting the presence / absence of staples for binding a bundle of sheets is provided.
When the unbound sheet bundle is set, the binding portion is moved by the driving means based on the detection information without staples to bind the sheet bundle.
On the other hand, when a pre-bound sheet bundle is set, the sheet bundle processing device is characterized in that the staples are removed from the sheet bundle by moving the removing portion by the driving means based on the detection information with staples.

The invention according to claim 2 includes a binding operation unit that performs an operation for binding a bundle of sheets, and a binding operation unit.
Equipped with a removal operation unit that performs operations to remove staples,
The sheet bundle is bound by the operation of the binding operation unit, and the sheet bundle is bound.
The sheet bundle processing apparatus according to claim 1, wherein the staples are removed from the sheet bundle by the operation of the removal operation unit.

With the above configuration, the present invention has the following effects.

In the inventions according to claims 1 and 2 , when an unbound sheet bundle is set, the sheet bundle is bound by the binding portion, while when a pre-bound sheet bundle is set, staples are stapled by the removing portion. By removing from the sheet bundle, the sheet bundle can be bound or staples can be removed from the sheet bundle with a single device, which is easy to handle and low cost.

It is a figure which shows the sheet bundle processing apparatus of 1st Embodiment. It is a figure which shows the sheet bundle processing apparatus of 2nd Embodiment. It is a figure which shows the sheet bundle processing apparatus of 3rd Embodiment. It is a figure which shows the sheet bundle processing apparatus of 4th Embodiment. It is a figure which shows the sheet bundle processing apparatus of 5th Embodiment. It is a figure which shows the sheet bundle processing apparatus of 6th Embodiment. It is a figure which shows Embodiment 1 of the binding part. It is a perspective view which shows the appearance of Embodiment 2 of a binding part. It is sectional drawing of the binding part. It is a figure which shows the operation of closing a bundle of sheets. It is a figure which shows the operation of closing a bundle of sheets. It is a figure which shows the operation of closing a bundle of sheets. It is a figure which shows the operation of closing a bundle of sheets. It is a figure which shows the operation of closing a bundle of sheets. It is a perspective view which shows the sheet bundle in the state before binding. It is a perspective view which shows the sheet bundle in the bound state. It is a figure which shows the bound sheet bundle. It is the schematic sectional drawing of Embodiment 1 of the removal part. It is a perspective view of the main part of the removal part. It is a perspective view of the main part of the removal part. It is a figure explaining the operation of the removal part. It is a perspective view of the removal part. It is a schematic sectional drawing of the removal part. It is a perspective view of the removal base. It is a figure which shows the state which set the sheet bundle. It is a figure which shows the state which confirms the position of a staple. It is a figure explaining the operation of the removal part.

Hereinafter, embodiments of the sheet bundle processing apparatus of the present invention will be described. The embodiments of the present invention show the most preferable embodiments of the present invention, and the present invention is not limited thereto.

(Sheet Bundle Processing Device of the First Embodiment)
The sheet bundle processing apparatus of the first embodiment will be described with reference to FIG. The sheet bundle processing device 500 has a binding unit 510 for binding the sheet bundle 100 composed of a plurality of sheets, a removing unit 520 for removing the staple A for binding the sheet bundle 100 from the sheet bundle 100, and an operation for binding the sheet bundle 100. It is provided with a binding operation unit 530 for performing an operation and a removal operation unit 540 for performing an operation for removing the staple A.

The binding operation unit 530 includes an operation button or an operation lever, and the binding unit 510 is driven by the operation of the operation button or the operation lever to bind the sheet bundle 100. Further, the removal operation unit 540 includes an operation button or an operation lever, and the removal operation unit 520 is driven by the operation of the operation button or the operation lever to remove the staple A.

When the unbound sheet bundle 100 is set in the binding portion 510 to be bound, the binding operation portion 530 is operated and the binding portion 510 is driven to bind the sheet bundle 100. On the other hand, when the pre-bound sheet bundle 100 is set in the removing unit 520, the removing operation unit 540 is operated to drive the removing unit 520 to remove the staple A from the sheet bundle 100.

(Sheet Bundle Processing Device of the Second Embodiment)
The sheet bundle processing apparatus of the second embodiment will be described with reference to FIG. In this embodiment, the same configurations as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted. In this embodiment, the sheet bundle detecting means 550a and 550b for detecting the unbound sheet bundle 100 and the bound sheet bundle 100, and the control means 560 for driving the binding portion 510 and the removing portion 520 based on the sheet bundle detection information. And.

When the unbound sheet bundle 100 is set in the binding portion 510 to be bound, the sheet bundle detecting means 550a detects the sheet bundle 100 and sends the sheet bundle detecting information to the control means 560. The control means 560 drives the binding portion 510 based on the sheet bundle detection information, and binds the sheet bundle 100 by the binding portion 510. On the other hand, when the bound sheet bundle 100 is set in the removing unit 520, the sheet bundle detecting means 550b detects the sheet bundle 100 and sends the sheet bundle detecting information to the control means 560. The control means 560 removes the staple A from the sheet bundle 100 by the removing unit 520 based on the sheet bundle detection information. As the sheet bundle detecting means 550a and 550b, for example, a contact type sensor such as a switch, or a non-contact type sensor such as a reflection type sensor, a transmission type sensor, or an ultrasonic sensor can be used.

(Sheet Bundle Processing Device of Third Embodiment)
The sheet bundle processing apparatus of the third embodiment will be described with reference to FIG. In this embodiment, the same configurations as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted. In this embodiment, a driving means 560 for moving the binding portion 510 and the removing portion 520 is provided.

The driving means 560 includes a moving mechanism that moves the binding portion 510 and the removing portion 520, and the moving mechanism is, for example, a slide moving mechanism that slides by a guide or the like, or a rotary moving mechanism that rotates and moves by a turntable or the like. Is used. In this embodiment, a slide moving mechanism is used as the moving mechanism.

When the unbound sheet bundle 100 is set, the binding operation unit 530 is operated, and the binding unit 510 slides by the slide moving mechanism of the driving means 560 to move to the set position for binding, and when the binding is completed, the original position is achieved. Evacuate to. Further, when the pre-bound sheet bundle 100 is set, the removing unit 520 slides by the slide moving mechanism of the driving means 560 to move to the set position to remove the staple A from the sheet bundle 100, and when the removal is completed, the original Evacuate to the position of.

(Sheet Bundle Processing Device of the Fourth Embodiment)
The sheet bundle processing apparatus of the fourth embodiment will be described with reference to FIG. In this embodiment, the same configurations as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted. This embodiment includes staple presence / absence detection means 570 for detecting the presence / absence of staples A for binding the sheet bundle 100, and control means 580 for driving the binding portion 510 and the removal portion 520 based on the staple presence / absence detection information.

The staple presence / absence detecting means 570 uses, for example, a contact type sensor using a pair of electrodes, a contact type sensor such as a switch, and a non-contact type sensor such as a reflection type sensor, a transmission type sensor, an electromagnetic wave sensor, and an ultrasonic sensor. In this embodiment, a contact type sensor using a pair of electrodes is used to detect a metal needle which is a staple.

The driving means 560 includes a moving mechanism for moving the binding portion 510 and the removing portion 520, and the moving mechanism is configured in the same manner as in the third embodiment and uses a slide moving mechanism.

When the unstitched sheet bundle 100 is set, the staple presence / absence detection means 570 detects no staples and sends this detection information to the control means 580. The control means 580 controls the drive means 560 based on the detection information without staples, and the binding unit 510 slides by the slide movement mechanism of the drive means 560 to move to the set position and binds, and when the binding is completed, the binding unit 510 returns to the original position. evacuate.

On the other hand, when the pre-bound sheet bundle 100 is set, the staple presence / absence detection means 570 detects the presence of staples and sends this detection information to the control means 580. The control means 580 controls the drive means 560 based on the detection information with staples, and the removing unit 520 slides by the slide movement mechanism of the drive means 560 to move to the set position and removes the staples A from the sheet bundle 100. When the removal is completed, it is saved to the original position. The staple presence / absence detection means 570 may be retracted from the detection position when the removal unit 520 removes the staple A from the sheet bundle 100.

(Sheet Bundle Processing Device of the Fifth Embodiment)
The sheet bundle processing apparatus of the fifth embodiment will be described with reference to FIG. In this embodiment, the same configurations as those in the fourth embodiment are designated by the same reference numerals and the description thereof will be omitted.

In this embodiment, a binding operation unit 530, a removal operation unit 540, and a notification means 590 are provided. The notification means 590 is composed of a display panel, a notification lamp, a notification buzzer, or the like, and operates based on the staple presence / absence detection information of the staple presence / absence detection means 570 to notify the presence / absence of staples.

When the unstitched sheet bundle 100 is set, the staple presence / absence detection means 570 detects the absence of staples, and the notification means 590 operates based on this detection information to notify the absence of staples. Based on this notification, when the binding operation unit 530 is operated, the control means 580 controls the drive means 560, and the binding unit 510 slides by the slide movement mechanism of the drive means 560 to move to the set position and binds. When finished, it will be saved to the original position.

On the other hand, when the pre-bound sheet bundle 100 is set, the staple presence / absence detection means 570 detects the presence of staples, and the notification means 590 operates based on this detection information to notify the presence of staples. When the binding operation unit 530 is operated based on this news,
The control means 580 controls the drive means 560, and the removing unit 520 slides by the slide movement mechanism of the drive means 560 to move to the set position to remove the staple A from the sheet bundle 100, and when the removal is completed, the original position. Evacuate to.

(Sheet Bundle Processing Device of the Sixth Embodiment)
The sheet bundle processing apparatus of the sixth embodiment will be described with reference to FIG. In this embodiment, the same configurations as those in the fourth embodiment are designated by the same reference numerals and the description thereof will be omitted. In this embodiment, the driving means 560 includes a moving mechanism for moving the binding portion 510 and the removing portion 520, and the moving mechanism uses a rotary moving mechanism.

When the unstitched sheet bundle 100 is set, the staple presence / absence detection means 570 detects no staples and sends this detection information to the control means 580. The control means 580 controls the drive means 560 based on the detection information without staples, and the binding unit 510 is rotated by the rotational movement mechanism of the drive means 560 to move to the set position and bind, and when the binding is completed, the binding unit 510 returns to the original position. evacuate.

On the other hand, when the pre-bound sheet bundle 100 is set, the staple presence / absence detection means 570 detects the presence of staples and sends this detection information to the control means 580. The control means 580 controls the drive means 560 based on the detection information with staples, and the removing unit 520 is rotated by the rotational movement mechanism of the drive means 560 to move to the set position to remove the staples A from the sheet bundle 100. When the removal is completed, it is saved to the original position.

Further, also in this embodiment, as in the embodiment of FIG. 5, the binding operation unit 530, the removal operation unit 540, and the notification means 590 are provided, and the binding operation unit 530 is notified by notifying the presence or absence of staples in the notification means 590. Alternatively, the removal operation unit 540 may be operated.

(Embodiment of binding part)
The first embodiment of the binding portion is shown in FIG. The binding portion 510 of this implementation is basically one in which the base 600, the staple magazine 601 and the cap 602 are pivotally fixed at one end by a rotating shaft 603.

Since the staple magazine 601 is loaded with a large number of staples A, it is composed of channel-shaped metal fittings and has an outlet 604 for launching the staple A at the bottom of the tip. When the staple magazine 601 is pressed and the cap 602 is opened, the staple A can be loaded in the staple magazine 601.

A driver (not shown) is provided inside the tip of the cap 602, and the driver faces the outlet 604 of the staple magazine 601 to sequentially launch the staple A.

2nd embodiment of the binding portion is shown in FIGS. 8 to 17 . 8 is a perspective view showing the appearance of the binding portion, FIG. 9 is a cross-sectional view of the binding portion, FIGS. 10 to 14 are views showing an operation of closing the sheet bundle, and FIG. 15 is a perspective view showing a sheet bundle in a state before binding. 16 is a perspective view showing a bundle of sheets in a bound state, and FIG. 17 is a diagram showing a bundle of sheets bound.

The binding unit 510 of this implementation includes a paper dust storage unit 440. The binding portion 510 is not limited to this embodiment as long as it binds a bundle of sheets without using a binding needle, and a well-known binding portion 510 is used.

In the actual form of FIG. 8A, the position T1 at which the binding portion 510 binds the sheet bundle 100 is at the rear end corner portion of the sheet bundle 100 and is parallel to the rear end. In the actual form of FIG. 8B, the position T1 at which the binding portion 510 binds the sheet bundle 100 is at the rear end corner portion of the sheet bundle 100 and at an angle of 45 degrees with the rear end. The position T1 at which the binding portion 510 binds the sheet bundle 100 is not limited to the actual form shown in FIG. 8A and the actual form shown in FIG. 8B, and may be set to various positions depending on the structure of the binding portion 510. can.

In the binding portion 510 of this embodiment, the upper mold 411 is rotatably supported by the support shaft 413 with respect to the lower mold 412. The presser plate 414 is arranged between the upper die 411 and the lower die 412, and is rotatably supported by the support shaft 413. A compression coil spring 415 is arranged between the upper die 411 and the presser plate 414, and a leaf spring 416 is arranged between the presser plate 414 and the upper die 411.

The binding portion 510 is provided with a drive device 430 for rotating the upper die 411. This drive device 430 is composed of, for example, an electromagnetic solenoid. When the power is turned on, the plunger 431 pushes the upper mold 411 and rotates it against the compression coil spring 415, and when the power is turned off, the upper mold 411 is restored by the compression coil spring 415. Return to the position of.

A cutting edge 417, a knife 418, and a cam 419 are attached to the upper die 411. A cam 419 is arranged between the cutting edge 417 and the knife 418. The cam 419 is rotatably supported by the cutting edge 417 fixed to the upper die 411. The leaf spring 420 engages the back surface of the cam 419. The cutting edge 417 has a U-shaped blade surface, and the knife 418 has a one-shaped cross section, which are combined to form a U-shaped notch bar 91 and an I-shape as shown in FIG. The notch hole 92 is formed. A nearly rectangular window 418a is opened in the center of the knife 418. A substantially rectangular hole 414a, 414b is formed in the holding plate 414 and a substantially rectangular hole 412a is formed in the lower mold 412, respectively, facing the cutting edge 417 and the knife 418.

Next, the operation of the binding portion 510 will be described with reference to FIGS. 10 to 17. First, the sheet bundle 100 is placed between the lower mold 412 and the presser plate 414 (FIG. 10). Next, when the power of the drive device 430 is turned on and the upper die 411 is pushed down to a predetermined position by the plunger 431, the cutting blade 417 and the knife 418 penetrate the holes 414a and 414b of the presser plate 414, respectively, and the sheet bundle 100 And enters the hole 412a provided in the lower mold 412. At this time, the cutting edge 417 forms a U-shaped cutting edge 91 in the sheet bundle 100, and the cutting edge 418 forms an I-shaped cutting hole 92 in the sheet bundle 100, and the cut U-shape is formed. The claw 419a of the cam 419 engages with the notch blade portion 91 of the above, and pushes up the U-shaped notch blade portion 91 (FIG. 11).

Then, when the upper die 411 is further pushed down, the cam 419 rotates counterclockwise with the intermediate portion 414c between the holes 414a and 414b of the holding plate 414 as a fulcrum. At this time, the claw 419a of the cam 419 pushes and bends the U-shaped notch belly portion 91, and the tip thereof is inserted into the window 418a of the knife 418 (FIG. 12).

When the power of the drive device 430 is turned off, the upper die 411 returns to the original position by the action of the compression spring 415. As a result, the cam 419 is rotated clockwise by the action of the leaf spring 420 and returned to its original position (FIG. 13). At this time, both the cutting edge 417 and the knife 418 are rising, and the cutting edge 417 comes out of the sheet bundle 100 as it is, but the knife 418 hooks the tip of the U-shaped notch bar portion 91 of the sheet bundle 100 on the window 418a. After inserting the tip of the U-shaped notch blade 91 into the I-shaped notch hole 92 where the knife 418 is opened, the knife 418 exits from the sheet bundle 100 (FIG. 14).

As a result, the binding operation of the sheet bundle 100 is completed, and as shown in FIGS. 16 and 17, the tip of the U-shaped notch bevel portion 91 is inserted into the I-shaped notch hole 92, and the tip is exposed. The side is the front side of the sheet bundle 100, that is, the side on which the image is formed.

The paper dust storage portion 440 is arranged at a position below the binding portion 510, and the paper dust waste generated when the U-shaped notch belly portion 91 and the I-shaped notch hole 92 are formed by the notch in the binding portion 510. Store. The paper dust storage unit 440 has a dust chute 441 for guiding the paper dust, a storage box 442 for storing the paper dust, and a fan 443 constituting a dust collecting means for collecting the paper dust in the storage box 442. .. In this embodiment, the dust collecting means is composed of a fan 443, but a decompression device may be used.

The dowst chute 441 communicates with the storage box 442 from the binding portion 510, a fan 443 is arranged in the dowst chute 441, and an exhaust port 441a is formed above the dowst chute 441. A filter 441b for preventing leakage of paper dust is arranged at the exhaust port 441a. The fan 443 is driven and the paper dust is guided via the dust chute 441, and the paper dust can be reliably stored in the storage box 442. The storage box 442 is removable and can be removed and replaced at a predetermined time, or paper dust residue can be discharged.

(Embodiment of removal part)
Embodiment 1 of the removal unit is shown in FIGS. 18 to 21. FIG. 18 is a schematic cross-sectional view of the removed portion, FIGS. 19 and 20 are perspective views of the main portion of the removed portion, and FIG. 21 is a diagram illustrating the operation of the removed portion.

The removing unit 520 of this embodiment has a staple removing means 11 for removing the staple A for binding the sheet bundle 100 from the sheet bundle and a driving means 13 for driving the staple removing means 11 on the apparatus main body B having the mounting table 10. The housing unit 12 for accommodating the removed staples is provided.

The staple removing means 11 is arranged vertically downward with respect to the sheet bundle 100, and presses the sheet bundle 100 to the removal set position, the press plate 110, the drive plate 120 for operating the press plate 110, and the staple A. It has a removal base 130 with claws 131 removed from the bundle 100 and a drive foil 140 rotated by the drive means 13.

An opening 10a is formed in the mounting table 10 of the main body of the apparatus, and the sheet bundle 100 is set so that the staple A is positioned corresponding to the opening 10a. The press plate 110 is provided on the main body B of the apparatus so as to be movable up and down, and moves downward to pressurize the sheet bundle 100 to the removal set position, and moves upward to release the pressurization of the sheet bundle 100.

The press plate 110 is urged by a spring 122 in a direction of pressurizing the seat bundle 100. The drive plate 120 is rotatably provided on the support shaft 121 and has an action arm 120a and a cam opening 120b. When the drive plate 120 is rotated by the drive foil 140, the action arm 120a moves the press plate 110 up and down. It is a configuration to do.

The removal base 130 is rotatably provided on the support shaft 132, has a guide portion 130a for guiding the removed staples to the accommodating portion 12, and an action arm 130b, and is urged to always return to the initial position by the spring 133. Has been done. The removal base 130 is provided with a claw 131. By the rotation of the removal base 130, the claw 131 pulls out the staple A from the sheet bundle 100 from the lower position in the vertical direction and removes the staple A, and the pulled staple A falls and is guided by the guide portion 130a and collected in the accommodating portion 12.

The drive foil 140 is fixed to the drive shaft 141. A belt 142 is provided on the gear 141a provided on the drive shaft 141 and the output gear 141b of the motor 13a constituting the drive means 13. The drive shaft 141 is rotated via the belt 142 by the drive of the motor 13a, and the drive foil 140 is rotated in conjunction with the rotation. The drive means 13 of this embodiment is configured to include an electric drive source of the motor 13a. The motor 13a is connected to a power source and driven by an operation button (not shown).

The drive foil 140 has a first protrusion 140a that engages the cam opening 120b of the drive plate 120 and a second protrusion 140b that engages the action arm 130b of the removal base 130. When the drive foil 140 is located in the initial position, the first protrusion 140a engages with the cam opening 120b of the drive plate 120 to restrict the drive plate 120 to be in the initial position.

By rotating the drive foil 140 to the right, the first protrusion 140a rotates in conjunction with each other, and the first protrusion 140a releases the regulation of the cam opening 120b, so that the drive plate 120 rotates in conjunction with the spring 122. , The press plate 110 moves downward and pressurizes the sheet bundle 100 to the removal set position. When the drive wheel 140 further rotates to the right, the second protrusion 140b engages the acting arm 130b of the removal base 130, the removal base 130 rotates to the left against the spring 133, and the claw 131 rotates vertically. The staple A is pulled out from the sheet bundle 100 from the lower position and removed.

Next, the operation of the removing portion will be described with reference to FIG. When the staple A of the sheet bundle 100 is set so as to correspond to the opening 10a, the control means 17 is driven by the motor 13a which is the driving means 13 and drives the drive foil 140 to the right via the belt 142. Rotate to. By rotating the drive wheel 140 to the right, the drive plate 120 whose rotation is restricted by the first protrusion 140a engaged with the cam opening 120b is rotated to the right by the spring 122, and the acting arm 120a is a press plate. In order to release the regulation of 110, the press plate 110 moves downward and pressurizes the sheet bundle 100 to the removal set position (FIG. 21A).

When the drive foil 140 is further rotated to the right, the first protrusion 140a is separated from the cam opening 120b, the second protrusion 140b is engaged with the action arm 130b of the removal base 130, and the removal base 130 is attached to the spring 133. It rotates to the left in conjunction with each other (FIG. 21 (b)).

When the drive wheel 140 is further rotated to the right, the removal base 130 is interlocked and further rotated to the left, the claw 131 pulls out the staple A from the sheet bundle 100 from the lower position in the vertical direction to remove it, and the staple A falls. (Fig. 21 (c)).

When the drive foil 140 is further rotated to the right, the second protrusion 140b is separated from the acting arm 130b of the removal base 130, and the removal base 130 is rotated to the right by the spring 133 to return to the standby position. When the removal base 130 rotates to the right and returns to the standby position, the staple A that has fallen on the removal base 130 is guided by the guide portion 130a and collected in the accommodating portion 12 (FIG. 21 (d)). .. When the removal base 130 returns to the standby position, the drive wheel 140 further rotates to the right, the first protrusion 140a engages with the cam opening 120b of the drive plate 120, and the rotation is restricted by the first protrusion 140a. Then, the press plate 110 is moved upward to release the pressurization of the sheet bundle 100 and return it to the standby position.

Embodiment 1 of the removal unit will be described with reference to FIGS. 22 to 27. 22 is a perspective view of the removed portion, FIG. 23 is a schematic cross-sectional view of the removed portion, FIG. 24 is a perspective view of the removal base, FIG. 25 is a view showing a state in which a bundle of sheets is set, and FIG. FIG. 27 is a diagram showing a state, and FIG. 27 is a diagram illustrating the operation of the removing portion.

The removing unit 520 of this embodiment has a staple removing means 11 for removing the staple A for binding the sheet bundle 100 from the sheet bundle and a driving means 13 for driving the staple removing means 11 on the apparatus main body B having the mounting table 10. The housing unit 12 for accommodating the removed staples is provided.

The staple removing means 11 is arranged vertically downward with respect to the sheet bundle 100, and presses the sheet bundle 100 to the removal set position with the press plate 110, the drive lever 500 for operating the press plate 110, and the staple A. It has a removal base 130 having claws 131 for removing from the bundle 100, and a drive arm 501 provided on the drive lever 500.

The drive means 13 is configured to include a manual drive source for the drive lever 500. A support bracket 502 is provided on the mounting table 10, and a drive lever 500 is rotatably provided on the support bracket 502 with the support shaft 503 as a fulcrum, and the drive lever 500 is manually rotated. A peephole 520 is provided at the center of the drive lever 500, and it is possible to check the staple A of the seat bundle 100 set from the peephole 520. The peephole 520 is provided with a mark for determining the position of the staple A.

An opening 10a is formed in the mounting table 10 of the main body of the apparatus, and the sheet bundle 100 is set so that the staple A is positioned corresponding to the opening 10a. The press plate 110 is rotatably provided around the support shaft 503 as a fulcrum, and is urged via a pressing leaf spring 504 provided on the drive lever 500. When the drive lever 500 is pushed, the press plate 110 presses the sheet bundle 100 to the removal set position via the pressing leaf spring 504. An elastic sheet 110a is provided on the pressure surface side of the press plate 110, and the elastic sheet 110a is surely pressed so that the set sheet bundle 100 does not shift in position.

The removal base 130 is rotatably provided on the support shaft 132 and has a guide portion 130a for guiding the removed staples to the accommodating portion 12 and a connecting pin 130g. The connecting pin 130g is engaged with the cam groove 501a provided in the drive arm 501, and when the drive lever 500 is pushed, the drive arm 501 rotates, and the removal base 130 is supported by the connecting pin 130g engaged with the cam groove 501a. It rotates around the shaft 132 as a fulcrum.

The removal base 130 is provided with a claw 131. Due to the rotation of the removal base 130, the claw 131 pulls out the staple A from the sheet bundle 100 from the lower position in the vertical direction to remove it, and the pulled staple A falls from the opening 10a and is guided by the guide portion 130a to the accommodating portion 12. Will be recovered.

The accommodating portion 12 is provided so as to be retractable on the mounting table 10, and the staple A pulled out at the position set on the mounting table 10 is collected in the accommodating unit 12. When the staple A is collected in the predetermined number accommodating section 12, it is pulled out to the mounting table 10 and the staple A is discarded.

As described above, the staple removing means 11 is driven by the press plate 110 that pressurizes the sheet bundle 100 to the removal set position, the removal base 130 having the claw 131 that removes the staple A from the sheet bundle 100, and the driving means 13. It has an arm 501, the press plate 110 is operated by the drive means 13, and the removal base 130 is operated via the drive arm 501 to remove the staple A from the lower position in the vertical direction.

Next, the operation of the removing unit 520 will be described with reference to FIG. 27. When the staple A of the sheet bundle 100 is set so as to correspond to the opening 10a (FIG. 27A), the user pushes the drive lever 500. By pushing the drive lever 500, as shown in FIGS. 27 (b) to 27 (d), the staple A is pulled out from the sheet bundle 100, and the pulled staple A is dropped and collected in the accommodating portion 12. To.

FIG. 27B shows a state during operation, and when the drive lever 500 is pushed, the press plate 110 presses the sheet bundle 100 to the removal set position via the pressing leaf spring 504. The drive arm 501 rotates in conjunction with the operation of pushing the drive lever 500, and the removal base 130 rotates with the support shaft 132 as a fulcrum by the connecting pin 130 g engaged with the cam groove 501a. The rotation of the removal base 130 causes the claw 131 to move from the lower position in the vertical direction to the position where the staple A is pulled out from the sheet bundle 100.

FIG. 27C shows a state in which the operation is completed, the rotation of the drive lever 500 is stopped, the rotation of the drive arm 501 is stopped, and the claw 131 pulls out the staple A from the sheet bundle 100 by the rotation of the removal base 130. The pulled out staple A falls and is held by the removal base 130.

FIG. 27D shows a state of returning to the initial position, and the drive lever 500 returns to the initial position by a spring (not shown). At this time, the drive arm 501 rotates in conjunction with the return of the drive lever 500, whereby the removal base 130 rotates in the return direction, and the staple A held by the removal base 130 falls from the removal base 130 and is accommodated. Collected in part 12.

When the staple A is collected in the accommodating portion 12 and the staple A is collected in the predetermined number accommodating portion 12, the staple A is pulled out to the mounting table 10 and the staple A is discarded (FIG. 27 (e)).

The present invention is applicable to a sheet bundle processing apparatus capable of binding a sheet bundle or removing staples from a sheet bundle, and binding the sheet bundle or removing staples from the sheet bundle with a single device. It is easy to handle and low cost.

A Staple 100 Sheet bundle 500 Sheet bundle processing device 510 Binding unit 520 Removal unit 530 Binding operation unit 540 Removal operation unit 550a, 550b Sheet bundle detection means 560 Control means 570 Staple presence / absence detection means 580 Control means 590 Notification means

Claims (2)

A binding part that binds a bundle of sheets consisting of multiple sheets,
A removal part that removes the staples that bind the sheet bundle from the sheet bundle,
A driving means for moving the binding portion and the removing portion,
A staple presence / absence detection means for detecting the presence / absence of staples for binding a bundle of sheets is provided.
When the unbound sheet bundle is set, the binding portion is moved by the driving means based on the detection information without staples to bind the sheet bundle.
On the other hand, when a pre-bound sheet bundle is set, the sheet bundle processing device is characterized in that the staples are removed from the sheet bundle by moving the removing portion by the driving means based on the detection information with staples. A binding operation unit that binds a bundle of sheets,
Equipped with a removal operation unit that performs operations to remove staples,
The sheet bundle is bound by the operation of the binding operation unit, and the sheet bundle is bound.
The sheet bundle processing apparatus according to claim 1, wherein the staples are removed from the sheet bundle by the operation of the removal operation unit.

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