JPH07157181A - Post-processing device for recording sheet - Google Patents

Abstract

PURPOSE:To simplify the configuration of a driving means by furnishing a means to move a stapling member interlockingly and a means for locating. CONSTITUTION:A stapler device 10 to be used in connection with a electrophotographic copying machine, etc., has carriers 13, 14 holding two stapling members equipped with a binding function dividedly and a drive device 20 which is to generate a movement in axial direction. Stoppers 30, 31 are installed for guide rods 15, 16 to guide these carriers, and therewith the binding position by the stapling members 11, 12 is set. Further torque limiters 25, 25a are furnished between a drive shaft 23 and a drive pulley for preventing shock application to the drive device likely when the carriers are stopped by the stoppers.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stapler device used for binding a recording sheet by connecting it to an image forming apparatus such as an electrophotographic copying machine, and more particularly to a stitcher member for driving a staple. , Two stapler members, a clincher member for bending the tip of the staple needle, are held by separate carrier members, and the stapler is stapled at an arbitrary position with respect to the recording paper inserted between the two stapler members. The present invention relates to a post-processing device for recording paper that enables the following.

[0002]

2. Description of the Related Art As a post-processing device for an image forming apparatus such as an electrophotographic copying machine, binding with staples has been generally performed from the past. A device as disclosed in Japanese Patent Laid-Open No. 62-35863 is known. Among the conventional examples, the apparatus disclosed in Japanese Utility Model Laid-Open No. 1-58558 discloses a post-processing apparatus in which a compiling tray is arranged, recording sheets are aligned on the tray, and then a stapling apparatus is used to staple staples. The binding is performed by using the binding so that the bound product is discharged. However, in the above-mentioned conventional example, since the stapling device is arranged at the fixed position, there is a problem that the binding position by the staple is constant. On the other hand, in the example disclosed in Japanese Utility Model Laid-Open No. 62-35863, since the stapling device is provided so as to be movable, a staple needle can be driven into the bookbinding product at an arbitrary position for binding. it can.

However, in the stapling apparatus as shown in the above-mentioned conventional example, only the end portion of the recording paper can be bound by the stapling needle.
There is a problem that it is not possible to meet the purpose of binding a central portion of a large size sheet such as 3 size with a staple and then folding it in half to create a bound product. Therefore, in order to deal with the special purpose as described above, Japanese Patent Laid-Open No. 58-36496 and Japanese Patent Laid-Open No. 2-21960.
A stapling device as disclosed in Japanese Patent Publication No. 1 can be used. In the stapling apparatus shown in the conventional example, a stitcher member for driving a staple needle,
Two stapler members with a clincher member for bending the tip of the staple are held on separate carrier members, and a binding portion is inserted between the two stapler members, or the stapler member is passed between the two stapler members. The stapling needle can be bound to the recording paper at an arbitrary position.

As described above, in order to position the two stapler members at the binding position, Japanese Patent Laid-Open No. 58-3 / 58 has been proposed.
In Japanese Patent No. 6496, a lead screw is used to drive the two stapler members, and the stapler is positioned by driving the screw using a chain. Further, in the example disclosed in Japanese Patent Laid-Open No. 2-219601, a mechanism for separately driving two stapler members using wires is provided, and an optical sensor is used to position the two stapler members. A detection means is provided. A mechanism for binding the bookbinding product is constructed in a state where the light emitting means provided on one stapler member and the light receiving means provided on the other stapler member are aligned with each other. By constructing the positioning means for the stapler member as described above,
Even in the stapling device in which the three stapler members are independently arranged, the stapling operation using the staples can be performed accurately.

[0005]

However, as described above, in the stapling apparatus of the type in which the recording paper for binding is passed between the two stapler members, for example, two stapler members are used by using a lead screw. When using the driving method, it is necessary to strictly control the manufacturing accuracy of the screw. For example, when the lead screw is manufactured by means of rolling or the like, it is difficult to maintain the positioning accuracy of the stapler member, and therefore it is necessary to use means such as cutting. . Therefore, the manufacturing cost of the driving device for the stapling device may be significantly affected, and if the manufacturing of the screw is not properly managed, the stapling device may have a problem in binding work.

Further, as disclosed in JP-A-2-219601, when the stapler member is positioned by arranging the detecting means between the two stapler members, there is a problem in the positioning accuracy of the stapler member by the wire. Occurs. Therefore, when binding with a plurality of staples, after binding one location, the bookbinding product is moved so that the optical path of the sensor is not blocked,
It is necessary to perform the positioning operation for the two stapler members. Therefore, when the above-mentioned binding method is used, it is difficult to automatically align the recording sheets ejected from the image forming apparatus, and it becomes difficult to perform binding with staples at a plurality of places as they are. become.

[0007]

SUMMARY OF THE INVENTION The present invention solves the above-mentioned problems of the conventional apparatus, in which the two stapler members constituting the stapling apparatus are respectively arranged with respect to the two carrier members, and one driving means is provided. It is an object of the present invention to provide a device capable of driving two carrier members in conjunction with each other by using them and accurately performing the positioning operation at the binding position with respect to the carrier member. It is an object of the present invention to provide a device capable of preventing a drive system from being impacted when stopped.

[0008]

According to the present invention, there is provided a stitcher member disposed in a recording paper discharge portion of an electrophotographic copying machine or the like and provided with a staple needle accommodating portion and an pushing portion, and a clincher for bending the tip portion of the staple needle. The present invention relates to a stapling device in which members are provided in different stapler members and a plurality of recording sheets inserted between two stapler members are bound with staples. In the present invention, a movement path of a bookbinding product in which carrier members that respectively support two stapler members, that is, a stitcher member and a clincher member that constitute the stapling device, are bound using drive means and guide means corresponding to the respective staple members. Means for moving in a direction perpendicular to is provided. Positioning means for the carrier members are respectively arranged on the paths for moving the two carrier members constituting the stapling device,
The stapling position is set by a staple, and buffer means is provided between the drive means for the carrier member and the drive source.

Further, in the present invention, a guide rod is provided for guiding the two carrier members, a stopper member is attached to the guide rod in correspondence with the binding position, and the carrier member is locked to the stopper member. By doing so, a means for positioning the stapler member can be configured. Furthermore, in the present invention,
Engagement means for the stopper member is provided for the two carrier members, the stopper member is arranged so as to be retractable in and out of the movement path of the carrier member, and the engagement means provided for the carrier member is used as the stopper member. It is also possible to configure a means for setting the binding position by locking.

In addition to the above structure, in the present invention, means for mutually connecting to the two carrier members is arranged, and the two carrier members are interlocked and moved to the binding position by using the connecting means. It is possible to configure a mechanism for releasing the connection by the connecting means at the binding position and performing the binding with the bookbinding product inserted between the two carrier members. Further, two connecting means are provided between the two carrier members, and the two connecting means are arranged so as to correspond to an interval of a binding position by a staple needle from a side portion of the bookbinding, and a binding side of the bookbinding is connected. It is also possible to configure means for performing binding with the staple needle at a position where the connecting means comes into contact with the side portion of the bookbinding product by moving the side portion on the binding side of the bookbinding product in a state where the means is connected. .

Further, in the present invention, stapling devices in which two carrier members are combined are arranged so as to correspond to both sides of the bookbinding product, and are connected between the two carrier members with respect to the two stapling devices. Means may be provided respectively, and means for moving the bookbinding product in the width direction may be arranged for each stapling device. Then, the connecting means provided in the two stapling devices is used to move to the binding position to set the binding positions on both sides of the bookbinding product, and the connecting means contact the side portions of the bookbinding product, respectively. The stapling device can be used to configure a means for binding with staples.

[0012]

In the apparatus of the present invention constructed as described above, by disposing the stopper member in the movement path of the carrier member supporting the stapler member, the stapler member can be installed even if the two carrier members are not accurately linked. The function of positioning at the binding position can be performed.
Further, since a buffer member such as a torque limiter is arranged between the drive shaft for driving the carrier member and the pulley,
When the carrier member is stopped by the stopper member, it is possible to prevent the drive system from being impacted. Further, by disposing a locking member as a stopper member with respect to the guide rod, or by providing a locked member on the carrier member and providing a means for retracting / retracting the stopper member in / from the moving path of the carrier member, The stapler member can be stopped at the binding position.

In addition to the above construction, in the present invention, a means for moving the two carrier members forming the stapling apparatus in an interlocking manner by using the connecting means can be constructed, and the interlocking means is released at the binding position. It is also possible to insert the bookbinding product and perform the binding work. In addition, a mechanism for arranging two interlocking means with respect to two carrier members and arranging the interlocking means so as to correspond to a side portion of the bookbinding and a binding position is configured, and one interlocking means is bound. By performing the binding operation at the position abutting the side portion of the sheet, it is possible to automatically perform the binding operation using the staples, and it is possible to exhibit the bookbinding efficiency satisfactorily. Further, in the present invention, when the stapling device in which the two carrier members are combined is arranged on both sides at the binding position of the bookbinding product, by positioning the two stapling devices from both sides of the bookbinding product, The stapling operation with the staples in the two stapling devices can be performed once. When the two stapling devices as described above are used, the stapling mechanism is configured by providing each stapling device with means for moving the stapling devices in a direction in which they separate from and contact each other by using different drive sources. Therefore, the mechanism for positioning the stapling device can be configured as a simple one.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A post-processing apparatus for recording paper according to the present invention will be described with reference to the illustrated example. As shown in FIG. 1, in the present invention, a paper binder 5 is connected to an image forming apparatus such as an electrophotographic copying machine 1. Then, the recording paper is bound by staples, and the bound and created binding product is sent to the paper folding machine 8 to be created as a folded binding product through the portion bound by the staples, and the discharge tray. It is possible to configure a mechanism for discharging to When the image forming apparatus is composed of a copying machine, the toner image formed on the photoconductor drum 2 is transferred onto a sheet and the recording sheet fixed by the fixing device 3 is discharged, as in the case of a general copying machine. The sheet is fed toward the paper binding machine 5 by using the roller device 4. The recording paper ejected from the electrophotographic copying machine 1 is fed obliquely on the tray by using an aligning means such as an aligning paddle 7 on a bookbinding tray 6 provided in a paper binder 5 to remove the recording paper. The operation of sequentially stapling and aligning with the stapling position and using the stapling device 10 is performed.

Further, a paper folding machine 8 is arranged at the discharge portion of the paper binding machine 5 and, for example, when binding the central portion of A3 size recording paper, the binding portion by the staple needle is folded. Thus, it can be discharged to the discharge tray 9 in a folded shape. The paper folding machine 8 can be installed inside the paper binding machine 5, and any conventionally known means can be used as a mechanism for folding the paper folding machine 8. As described above, the electrophotographic copying machine and the paper binder 5 are combined, and a predetermined number of recording sheets are stacked and stapled and discharged as a bookbinding product, or the bookbinding product is folded in two. In the ejecting device, the stapling device 10 can be configured as shown in FIG.

The stapling apparatus 10 shown in FIG. 2 comprises two stapler members, a member for driving a staple and a member for bending the tip of the staple. The two members having different functions are configured as upper and lower stapler members 11 and 12, and the two stapler members are mounted on carrier members 13 and 14, respectively, and two guide rods 1 are arranged in parallel.
Each carrier member is moved along 5, 15a and 16, 16a. The two carrier members have guide plates 17 and 18 for guiding the recording paper.
The recording sheets to be inserted into the paper binding machine can be guided between the upper and lower guide plates 17 and 18 to be aligned with the binding position.

In the present invention, in the stapling apparatus 10 shown in FIG. 2, a cartridge for holding staples and a stitcher member having a driving mechanism are provided on the lower stapler member 12. Then, a clincher member for bending the tip end portion of the staple is provided on the upper stapler member 11, and an acting member corresponding to the binding direction of the staple needle can be arranged on the upper and lower stapler members. Then, in the carrier member 14 provided with the mechanism for driving the staples,
A means for moving the stapler member 11 in the vertical direction is provided so that the bookbinding product is pressed against the stapler member provided with the clincher member, and the staple needle is driven to perform the binding operation for the bookbinding product.

The carrier members 13 and 14 respectively holding the two stapler members 11 and 12 are respectively connected to driving timing belts, and by driving the driving belt members 28 and 28a, the width direction of the recording paper. It is configured to reciprocate in the (axial direction of the guide rod). A drive belt member 28, 28a for driving the carrier member is provided at one end of the device with the drive shaft 2
The drive pulley 20 is driven by the drive device 20 by being wound around the drive pulleys 24 and 24a provided on the No. 3 and tension side pulleys 26 and 26a provided on the other end. The drive device 20 drives the drive shaft 23 in the forward and reverse directions from the pulse motor 21 via the gear device 22, and the stapler member is made into a bookbinding product by a signal from a control device provided in the paper binder 5. On the other hand, it is possible to perform the binding work using the staple in a state where the staple needle is moved in the width direction and stopped at the set binding position.

Further, a sensor S1 is arranged for setting the home position of the carrier member when the carrier member is moved by the driving device. In the present invention, the tension adjusting members 27, 27a are respectively arranged with respect to the drive pulleys 24, 24a on the drive belt members 28, 28a for moving the two carrier members holding the stapler member. . The drive belt member used to drive the carrier member can be configured in the same manner as a general timing belt, but in addition, a wire, another belt member, or the like can be used. Further, in order to drive the carrier member of the present invention, drive pulleys 24, 24a provided on the drive shaft 23 are attached via torque limiters 25, 25a. As will be described later, the carrier member is a stop member such as a stopper. A means is provided to prevent an unreasonable load from being applied to the constituent members of the drive system when stopped by.

In the apparatus of the present invention, the carrier member is moved by using the driving device to accurately stop the stapler member at the binding position, and both sides of the guide rod are used for binding the bookbinding article by the staple needle. The stopper member is arranged at a predetermined position. In the example shown in FIG. 2, the stopper members 30 and 30 a are arranged with respect to the guide rod 15 that guides the carrier member 13, and the guide rod 16 that guides the carrier member 14 is arranged.
In contrast, stopper members 31 and 31a are arranged respectively. As the stopper member, for example, means for fixing and holding the ring-shaped member to the guide rod by using a screw or the like can be used. Further, when the mounting position of the stopper member is changed, a plurality of mounting holes are arranged at predetermined intervals with respect to the guide rod, and the stopper member and the guide rod are mounted using a pin or the like for fixing. As a result, it is possible to configure a device that can change the paper size of the bookbinding product and the binding position.

As described above, by attaching the stopper member to the guide rod and bringing the carrier member into contact with the stopper member, the carrier member moves when setting the position of the stapler member. Since it collides with the stopper member on the way, a problem occurs that a large impact is applied to the drive system. Therefore, in the present invention, the drive pulleys 24, 24a are arranged on the drive shaft 23 via the torque limiters 25, 25a, respectively, and the carrier member is suddenly stopped while the drive shaft is being driven. The torque limiter constitutes a buffering means that prevents slippage of the drive system and an unreasonable load on each mechanism of the drive system. Further, as the buffering means, in addition to using a torque limiter, an arbitrary slip clutch means and other buffering means capable of controlling the value of the transmission torque can be used. Further, as a stopper member, it is also possible to deal with it by providing a projection having a simple structure such as inserting and fixing a pin member into a guide rod.

[0022]

[Embodiment 2] In addition to constituting the apparatus shown in FIG. 2, the stapling apparatus of the present invention may be provided with positioning means for the stapling apparatus 10 as shown in FIGS. In the example shown in FIG. 3, as in the case of the apparatus of FIG. 2, the two carrier members 13 and 14 constituting the stapling apparatus 10 are driven by the drive belts 28 and 28a via the pulleys provided on the drive shaft 23. It is driven by the torque limiter 2 between the drive shaft and the pulley.
5,25a are provided as buffer means. Further, the carrier member driven by the belt uses a mechanism that is guided along the respective guide rods 15 and 16.
Projecting members 35 and 36 are arranged on one side of the moving path on the frames of the carrier members 13 and 14, and concave grooves 37 and 38 for locking the stopper rollers 43 and 45 on the projecting members. Are provided respectively. Then, the stopper rollers 43, 43a are arranged corresponding to the binding position of the bookbinding product, and the carrier member is stopped at the position where the stopper roller is locked in the concave groove during the movement of the carrier member, so that the binding is performed. Allow the position to be set automatically.

The stopper member shown in FIG. 3 can be constructed, for example, as a stop positioning device 40 having a mechanism as shown in FIG. In the example shown in FIG. 4, the upper and lower shaft members 42 and 44 are arranged in parallel so as to correspond to the two carrier members, and the respective shafts 42 and 4 are arranged.
By attaching the stopper rollers 43, 43a and 45 to the roller 4 and rotating the shaft by using the driving device 41, the position where the stopper roller engages with the projecting member of the carrier member and the retracted position can be set. To do so.
The drive device 41 provided in the stop positioning device 40 is constituted by a motor 41a capable of rotating in the forward and reverse directions and a gear member 41b, and constitutes a means for rotating the shaft members 42 and 44 in arbitrary directions. Further, the conducting means 46 is provided between the shaft members provided with the stopper rollers, and the conducting means 46 is provided.
Is the transmission belt 4 between the pulleys 47, 47a provided on the shaft.
8 is provided.

When the carrier positioning member is stopped at the binding position by using the stop positioning device constructed as described above, first, the stopper rollers 43, 45 ... Are attached to the shaft members 42, 44. Attach it corresponding to the binding position for. The means for fixing the stopper roller is screwed into the locking hole at a predetermined interval on the shaft member,
It is possible to use means such as fastening a ring-shaped member arranged at the base of the stopper roller to the shaft to fix it, and the stopper roller 43, 45 can be placed at an arbitrary position depending on the paper size of the bookbinding product and the binding position information. ...... is fixed and held. Then, with respect to the bookbinding product to be inserted into the stapling device, the drive member 41 is operated during the movement of the carrier member to swing the stopper roller to a position where the stopper roller is engaged with the projecting member. During the movement, the stopper roller is stopped in a state of protruding into the groove.

When the stapler member provided on the carrier member is operated at the stop position, the work of binding with the staple can be performed at an accurate position. Also, 1
When the binding at the location is completed, the driving means 41 is driven in the opposite direction to swing the stopper roller to the non-operating position,
The carrier member is moved laterally to the next binding position, and the stopper roller is swung again to the operating position in the middle thereof, so that the carrier member is locked. Even when the stop positioning device as shown in FIGS. 3 and 4 is used, when the carrier member is locked by the stopper roller and stopped, the torque limiter slides so that the drive device is not impacted. Can be relaxed.

[0026]

[Embodiment 3] As shown in the above embodiments, in addition to moving two carrier members in conjunction with each other, in the stapling apparatus of the present invention, a drive source is provided for one of the two carrier members. It is possible to use means for providing and connecting another carrier member to the carrier member on the drive side to move the two stapler members to the binding position. For example, as in the example shown in FIGS. 5 and 6, it is possible to configure a means for connecting a drive source to the upper carrier member 13 and moving the lower carrier member 14 using the connection pin member 50. . In the illustrated example,
A means for moving each of the upper and lower carrier members 13, 14 in parallel along the guide rods 15, 15a and 16, 16a, and connecting only the drive pulley 26 for driving the carrier member 13 to the drive mechanism, The pulley 26a corresponding to the carrier member 14 is not driven.
Further, the carrier member 13 is provided with a connection pin member 50 driven by a solenoid 52, and the carrier member 14 is provided with a concave portion 53 with which a pin is engaged. When the carrier member is moved, the connecting pin member 5
0 in the recess 53 of the carrier member 14,
The carrier member 13 is driven and moved to the binding position between them, and then the solenoid is driven to separate the connecting pin member 50 from the carrier member 14, and the bookbinding product is inserted between the two carrier members to staple. Be sure to bind with a needle.

The binding of a bookbinding product using the stapling apparatus of FIG. 5 is performed as shown in FIGS. When binding to the bookbinding product P using the stapling device, the bookbinding product is inserted between the two carrier members 13 and 14 by the transport roller device 55 arranged in the upstream part of the stapling device, and is transported in the downstream part. The bookbinding product P is clamped by the two transport roller devices including the roller device 56. In the binding state shown in FIGS. 7 and 8, the connection pin member is held by the carrier member 13 and is maintained in a state where it does not abut against the bookbinding product. The positioning operation for the bookbinding product is easily performed. Furthermore, the two carrier members that bind with staples are
Since it is stopped at the binding position for the bookbinding product, the binding work can be easily performed by the stapler member provided on the carrier member.

In the embodiment of the present invention, the means for setting the binding position is constituted by using one connecting pin member 50. However, in the stapling apparatus of the present invention, as shown in FIG. By providing two connecting pin members for positioning with respect to the member, it is possible to configure means for positioning the stapling device with respect to the bookbinding product and means for moving the two carrier members in conjunction with each other. In the example shown in FIG. 9, two connection pin members 50 and 51 are arranged on the carrier member 13 on both sides with respect to the center position T of binding by the staples with a predetermined interval, respectively, and A means for retracting the member by a solenoid or the like is provided. With respect to the binding center position T by the staples, the interval for arranging the connecting pin members is set in correspondence with the binding position from the side of the bookbinding product.

When binding the left side of the bookbinding product using the apparatus shown in FIG. 9, the connecting pin member 50 is locked in the recess 53 of the carrier member 14 as shown by the solid line in the drawing. With the connection pin member 51 held in the inoperative position, the bookbinding product is approached from the left side. And
The binding position T by the staple is set at the position where the connection pin member 50 comes into contact with the left side portion of the bookbinding product, and the stapler member is operated to perform binding.
Also, when binding to the right side of the bound product,
At the position shown by the chain line in the figure, the connecting pin member 51 is brought into contact with the right side surface of the bookbinding product, the center T of the binding position by the staple is set, and the binding work is performed.

As described above, in the embodiment of the stapling apparatus of the present invention, in the stapling apparatus which uses two carrier members for binding, the two pin members are positioned by the connecting pin member and the stapler member is placed at the binding position. Then, the connecting pin member is moved to the non-actuated position, the movement path of the bookbinding product is released, the bookbinding product is inserted, and the binding work can be performed. And
After binding the bound book with the staples, the bound book is moved by the transport roller device, and the two binding members are engaged by the connecting pin member, so that the next binding work is dealt with. To In addition, FIG.
As shown in, when binding to both sides of the bookbinding product, after positioning the stapling device at one end of the bookbinding product to perform binding work, move the bookbinding product to connect. It is necessary to set the interlocking state using the pin member, move the two carrier members to the other side, and then move the bookbinding product to the binding position again to use the means for binding the other side. Becomes However, when the interlocking mechanism of the stapling device as shown in FIGS. 5 and 9 is used, the work efficiency should be good for the binding mode such as binding at one place continuously. As a result, the structure of the entire stapling apparatus can be simplified as compared with the case where means for separately driving the two carrier members are provided.

[0031]

[Embodiment 4] As shown in each of the above embodiments, in addition to the stapling apparatus being constituted by a set of carrier materials,
In the present invention, as shown in FIG. 10, two stapling devices are arranged on both sides of the binding position, and the respective stapling devices are positioned at the binding position from the side portion of the bookbinding product so that the two staple devices are positioned. A mechanism for binding with a needle can be configured. In the example shown in FIG. 10, two stapling devices are arranged on both sides of the bookbinding product P, and one stapling device is provided with two carrier members 13 and 14 facing each other.
The other stapling device has two carrier members 13a,
14a face each other. Further, each of the stapling devices arranged on both sides of the bookbinding product has the same structure as in FIG.
The interlocking means as shown below is arranged to provide a mechanism for interlocking and moving the respective carrier members constituting the two stapling devices.

Further, in the carrier members constituting the two stapling devices, two connecting pins are arranged between the upper and lower members to constitute means for setting the interlocking relationship between the respective carrier members. In the above embodiment, in the stapling device on one side, the connecting pin member 50 driven by the solenoid with respect to the upper carrier member 13,
51, the carrier member 1 of the other stapling device
In 3a, the connection pin members 50a and 51a are arranged, respectively. Then, in the stapling devices arranged on both sides, with respect to the binding center position T by the staples, the intervals at which the respective connection pin members are arranged are set from the side of the bookbinding product in correspondence with the binding position.

When the left side of the bookbinding product is bound using the apparatus shown in FIG. 10, the outer connecting pin members 50 and 50a are attached to the carrier member 1 as shown in the drawing.
The recesses 53 and 53a of the sheets 4 and 14a are respectively engaged, and the connecting pin members 51 and 51a are held in the non-actuated position so as to be approached from both sides of the bookbinding product. And
At the position where the connection pin members 50 and 50a come into contact with the left and right side portions of the bookbinding product, the binding center position T by the staple is set, and the stapler member is operated to perform binding. As described above, in the embodiment shown in FIG. 10 of the present invention, two stapling devices can be arranged on both sides of a bookbinding product to configure a device for simultaneously binding with two staples. Therefore, when the two stapling devices are arranged on both sides to constitute a means for performing the binding operation for the bookbinding product, the bookbinding work can be performed quickly. Furthermore, when two stapling devices are used, it is possible to arrange such that only one connecting pin 50, 50a is arranged for each stapling device, and the connecting pin is provided on the side of the bookbinding product. It is also possible to set the binding position for the bookbinding product by contacting and setting the binding position.

[0034]

Since the post-processing apparatus for recording paper of the present invention has the above-mentioned structure, two stoppers are provided by disposing the stopper member in the movement path of the carrier member supporting the stapler member. The stapler member can be positioned at the binding position without accurately interlocking the members. Further, when a buffer member such as a torque limiter is arranged between the drive shaft for driving the carrier member and the pulley, when the carrier member is stopped by the stopper member, it is necessary to give a shock to the drive system. Can be prevented. Further, by disposing a locking member as a stopper member with respect to the guide rod, or by providing a locked member on the carrier member and providing a means for retracting / retracting the stopper member in / from the moving path of the carrier member, The stapler member can be stopped at the binding position.

In addition to the above effects, in the present invention, when the means for moving the two carrier members in conjunction with each other by using the connecting means, the drive mechanism can be simplified. In addition, in the case where a mechanism is provided in which two interlocking means are arranged with respect to two carrier members, and the interlocking means is arranged so as to correspond to the side portion of the bookbinding product and the binding position, one interlocking means. By performing the binding operation at the position of abutting against the side of the bookbinding product, the binding work with the staple needle can be automatically performed,
The efficiency of bookbinding can be exhibited well. further,
When a means for arranging the stapling devices on both sides of the bookbinding product is used, it is possible to perform the binding with the staples at two locations at the same time, so that the efficiency of the binding operation can be improved.

[Brief description of drawings]

FIG. 1 is an explanatory diagram showing a configuration of a post-processing apparatus for recording paper according to the present invention.

FIG. 2 is a perspective view showing a configuration of a stapling apparatus of the present invention.

FIG. 3 is a perspective view showing the configuration of a second embodiment of the stapling device of the present invention.

FIG. 4 is an explanatory diagram showing a configuration of a stopper member used in FIG.

FIG. 5 is an explanatory diagram of a third embodiment of the present invention.

FIG. 6 is an explanatory diagram of a moving mechanism of the stapling apparatus of FIG.

FIG. 7 is an explanatory diagram of a binding operation using the stapling apparatus of FIG.

FIG. 8 is a side view of the example of FIG.

FIG. 9 is an explanatory diagram of the fourth embodiment of the present invention.

FIG. 10 is an explanatory diagram of the fifth embodiment of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 electrophotographic copying machine, 5 paper binding machines, 8 paper folding machines, 10 stapling devices, 11.12 stapler members, 13.14 carrier members, 15
.16 guide rods, 20 drive devices, 23
Drive shaft, 25 / 25a torque limiter, 28
28a drive belt member, 30/31 stopper member, 40 stop positioning device, 41 drive device, 42/44 shaft member, 43/45 stopper roller, 50/51 connecting pin member, 52 solenoid.

Claims (6)

[Claims] 1. A stapler member, which is disposed in a recording paper discharge unit of an electrophotographic copying machine and provided with a stapling needle accommodating portion and an extruding portion, and a clincher member for bending the leading end portion of the staple needle, respectively. A stapler device for binding a plurality of recording paper sheets inserted between two stapler members with staples, the two stapler members, a stitcher member and a clincher member, which constitute the stapler device being respectively supported. Means for moving the carrier member in the direction perpendicular to the moving path of the bound bookbinding product by using the corresponding driving means and guiding means, and the carrier member is provided on the path for moving the two carrier members. Positioning means for each of the sheets are arranged to set the binding position with the staple. , Post-processing apparatus of the recording paper and providing a cushioning means between the drive source to the drive means for said carrier member. 2. A guide rod is provided to guide two carrier members constituting the stapling device, a stopper member is attached to the guide rod in correspondence with a binding position, and the carrier member is locked to the stopper member. The post-processing apparatus for recording paper according to claim 1, further comprising means for positioning the stapler member by causing the stapler member. 3. A locked member provided on the carrier member, wherein locked means for the stopper member is provided for the two carrier members, and the stopper member is arranged so as to be retractable with respect to a moving path of the carrier member. The post-processing apparatus for recording paper according to claim 1, wherein a means for setting the binding position is configured by engaging the means with a stopper member. 4. A means for mutually connecting to the two carrier members is arranged, and the two carrier members are interlocked and moved to the binding position by using the connecting means, and the connecting means is provided at the binding position for the bookbinding product. The post-processing device for recording paper according to claim 1, wherein the post-processing device for recording paper comprises a mechanism for releasing the connection according to (1) and binding the bookbinding product between the two carrier members. 5. A binding device for binding a book, wherein two connecting means are provided between the two carrier members, and the two connecting means are arranged corresponding to an interval of a binding position by a staple needle from a side portion of the binding product. In a state in which the side connecting means is connected, the side of the binding side of the bookbinding product is moved, and the binding is performed by a staple in a position where the connecting means abuts the side part of the bookbinding. The recording paper post-processing apparatus according to item 4. 6. A stapling device in which the two carrier members are combined is arranged corresponding to both sides of a bookbinding product, and connecting means are provided between the two carrier members for the two stapling devices, respectively. At the same time, means for moving the bookbinding product in the width direction is arranged with respect to each stapling device, and the stapler is moved to the binding position by using the connecting means provided on the two stapling devices, so that the binding positions on both sides of the bookbinding device The recording sheet according to any one of claims 1 to 5, wherein the stapler is set and the stapler is used to bind at the position where the connecting means is in contact with the side of the bookbinding product. Aftertreatment device.