JP2001080253A - Binder for recording paper bundle, and binding device therefor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an economical binder, with which a bound recording paper bundle can be comparatively easily unbound and which can be re-used several times, and its binding device. SOLUTION: This device is equipped with a male type binding member 1A having a basic part, a projecting part, which is to be inserted in the punched hole H of a recording paper bundle P, and an engaging part formed on the outer peripheral surface of the projecting part, and a female type binding member 1B having a near snowman-silhouetted connecting hole, with which a small hole 14B and a large hole 14A are connected, and a handle part, which fits the engaging part to the small hole 14B by shifting the engaging part from the large hole 14A to the small hole 14B. Thus, by pinching the punched holes of the recording paper bundle P from both its sides between the female type and the male type binding members 1A and 1B, the recording paper bundle P is bound.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a binding device for a bundle of recording papers for binding together a plurality of recording paper bundles, and a binding device therefor.

[0002]

2. Description of the Related Art Various types of binding processing apparatuses have been proposed which are capable of performing, for example, an end face binding process on a bundle of recording papers on which images are recorded by an image forming apparatus and are sequentially stacked on a matching tray and aligned by the stacking. Has been developed.

Normally, such a binding processing apparatus is configured to drive a binding staple into a recording paper bundle and to bind the leading end of the binding staple through the recording paper bundle by folding back.
A stapler is used.

[0004]

In such a binding processing apparatus, if the bundle of recording paper bundles is unbound one by one, the binding staples must be pulled out and removed. However, the binding needles used are made of metal and are difficult to remove easily with nails or the like. Forcibly pulling out with a nail or the like may cause injury.

In view of the above circumstances, the present invention makes it possible to unravel a bound bundle of recording sheets relatively easily and to reuse it many times, thereby making it economical to bind a bundle of recording sheets. It is an object to provide a tool and a binding device therefor.

[0006]

According to a first aspect of the present invention, there is provided a binding device for a bundle of recording papers for binding and binding together recording papers each having a punched hole. ,
A male binding member having a projection inserted into a punch hole of the bundle of recording sheets provided thereon, and an engagement portion formed on the outer peripheral surface of the projection; a base; A continuous hole in which a small hole that fits into the portion and a large hole having an inner diameter larger than the engaging portion are connected, and a continuous hole having a substantially round shape is provided on the base to fit the engaging portion with the small hole. And a female binding member having a handle portion, wherein the vicinity of the punch holes of the recording paper bundle is sandwiched between the female and male bases from both sides to bind the recording paper bundle.

According to a second aspect of the present invention, in the first aspect of the present invention, the male binding member and the female binding member are integrally connected by a connecting portion, and the connecting portion has flexibility. It is composed of those having.

According to a second aspect of the present invention, there is provided a male holding member for temporarily holding a male binding member, a female holding member for temporarily holding a female binding member, and the male side holding member. By moving the holding member and passing the projection of the male binding member through the punched hole of the aligned recording paper bundle, moving one or both of the male side holding member and the female side holding member. An insertion mechanism that passes the protrusion through the large hole of the continuous hole of the female binding member and sandwiches the recording paper bundle between the base of the female binding member and the base of the female binding member; and operation of the insertion mechanism. Later, one or both of the male holding member and the female holding member are moved to fit the protrusion into the small hole of the continuous hole, and the male binding member and the female binding member are moved. Mechanism that binds the bundle of recording papers by preventing them from coming off from each other, and the operation of the fitting mechanism A male supply mechanism that supplies a new male binding member to the male holding member, and a female supply mechanism that supplies a new female binding member to the female holding member after the operation of the fitting mechanism. It is provided with.

According to a fourth aspect of the present invention, in the second aspect of the present invention, a male cartridge and a female cartridge accommodating a plurality of male binding members and a plurality of female binding members, respectively, A stopper provided to each of the mold cartridge and the female cartridge to hold the male binding member and the female binding member housed in the respective cartridges in a locked state, and to prevent them from being released outside; When the cartridges are mounted on the binding device, the locked state of the stopper is released, and the supply mechanism sequentially supplies the respective binding devices inside the cartridge.

[0010]

Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 shows a binding device 1 according to the present invention. The binding device 1 is formed of a synthetic resin, and includes a male binding member 1A and a female binding member 1B.
It is composed of In the drawing, reference symbol P denotes a recording paper bundle, and H denotes a punch hole formed in each recording paper constituting the recording paper bundle.

As shown in FIG. 2, the male binding member 1A is
It has a disk-shaped base 11 and a projection 12 whose outer diameter is smaller than the inner diameter of the punch hole H, which is vertically attached to the center of one of the plane portions of the base 11. The protrusion 12 has a concave-convex engaging portion, that is, a convex portion 12A having an outer diameter of D1 and a concave portion 12B having an outer diameter of D2 (D1> D2), which are repeatedly and continuously arranged in the thrust direction. In addition, the distal end portion is bulged in order to prevent the connecting hole 14 to be described later from coming out of the small hole 14B.

On the other hand, as shown in FIG. 3, the female binding member 1B has a disc-shaped base 13, a substantially bar-shaped continuous hole 14 formed in the base 13, and an outer peripheral surface of the base 13. And a handle 15 formed in a part of. This continuous hole 1
4, a large hole 14A opened larger than the outer diameter of the concave portion 12B and a small hole 14B fitted into the concave portion 12B so that the concave portion 12A of the male binding member 1A is in a loosely inserted state.
And a narrow portion 14C connecting these holes. The handle 15 is formed in a substantially L-shape in vertical section, so that it can be easily pushed out with a finger or a nail.

Therefore, according to the binding device of this embodiment, since it is made of synthetic resin, it does not generate rust even if it is used for a long period of time or if it is wet by rain or the like. There is no risk of contamination.

Next, a method of using the binding device according to this embodiment will be described. Male binding member 1A and female binding member 1B
And a punch hole H is prepared in advance as shown in FIG.
The recording paper bundle P made of the opened recording paper is arranged so as to be sandwiched from above and below.

For example, the protrusion 12 of the male binding member 1A arranged above the recording paper bundle P is pushed in so as to be inserted into the punch hole H (see FIG. 4B). here,
The female binding member 1B is arranged on the lower surface side of the recording paper bundle P in a state where the large hole 14A overlaps the punch hole H.

In this way, when the projection 12 of the male binding member 1A is inserted into the large hole 14A of the female binding member 1B, the male binding member 1A is connected to the bottom surface of the base paper 11 of the recording paper bundle P. Push it in until it touches the top.

Next, as shown in FIG.
Is pinched with a finger or caught with a fingernail or the like, and is pushed rightward as indicated by the arrow, so that the concave portion 12B of the engaging portion passes through the narrow portion 14C of the continuous hole 14 so that the small hole 14
B enters and is fitted.

As a result, even if a force in the thrust direction of the projection 12 acts, the projection 12 can be prevented from coming out of the small hole 14B, and the recording paper bundle P can be bound by a relatively simple manual operation. It can be bound with the tool 1. The binding device 1 can be removed from the recording paper bundle P by performing the reverse operation up to this point.

The large hole 14A of the female binding member 1B as described above.
When the female binding member 1B is fed into the small hole 14B and the concave portion 12B of the male binding member 1A is engaged in the fitting operation, the female binding member 1B is moved slightly closer to or away from the paper surface of the recording paper bundle P. It is advisable to perform subtle position adjustment with your fingertips. Thereby, not the convex part 12A but the concave part 12B of the protruding part 12 can be passed from the narrow part 14C to the small hole 14B.

Next, regarding another binding device according to the present invention,
explain. In the binding device 2 of this embodiment, as shown in FIGS. 5A and 5B, a male binding portion 2A and a female binding portion 2B are integrally connected by a flexible connecting portion 2C. . In addition,
The specific shape of the binding device 2 of this embodiment is the same as that of the first embodiment except for the connecting portion 2C.

The binding device 2 according to the second embodiment having the above-described configuration.
According to this, the binding device 2 can be formed at a relatively low cost by integral molding using a synthetic resin, and unlike the binding member in which the male and female types are separate from each other, there is little risk of being lost. Is good.

Next, a method of using the binding device 2 according to the second embodiment will be described with reference to FIGS. First, as shown in FIG. 6A, the male binding portion 2A
After the protrusion 22 is disposed above the recording paper bundle P, the protrusion 22 is inserted into the punch hole H as shown in FIG.

Next, as shown in FIG.
7C, the connecting portion 2C is folded back so that the female binding portion 2B is disposed below the recording paper bundle P. As shown in FIG. In this state, the continuous holes 24 of the female binding portion 2B are kept.
The leading end side of the protrusion 22 is passed through the large hole 24A of FIG.
When the female binding portion 2B is pushed in the direction of the arrow as shown in FIG.
Can be fitted, and the recording paper bundle P can be sandwiched and bound by both the binding members.

Next, a recording paper post-processing apparatus provided with a binding device for a binding device according to the present invention will be described with reference to FIG. The recording paper post-processing device 3 is used in conjunction with the image forming device 4, and a post-processing device 6 is provided near the alignment tray 5. Note that a copying machine is used for the image forming apparatus 4 of this embodiment.

The recording paper post-processing apparatus 3 of this embodiment is discharged from an entrance guide plate 31 provided between the image forming apparatus 4 and the recording paper post-processing apparatus 3 and is internally fed via conveyance rollers 32A and 32B. A separation claw 33 operated by a solenoid (not shown) is provided in order to divide the conveyance direction into two directions depending on whether post-processing is performed on the fed recording paper.

In this embodiment, when the recording paper on which the image is recorded is conveyed to the left in the horizontal direction in FIG. 8, the mode shifts to the non-post-processing mode in which post-processing is not performed.
The recording paper shifted to the non-post-processing mode is directly conveyed along a substantially straight non-post-processing conveyance path α by the conveyance roller 33C and the paper discharge roller 32D, and is discharged outside the recording paper post-processing device 3. You.

When the recording sheet is conveyed downward in FIG. 8, the mode shifts to the post-processing mode.

That is, in the post-processing mode, the recording paper is fed along the substantially U-shaped post-processing conveyance path β via the conveyance rollers 32E to 32G, the staple discharge roller 32H, and a guide plate (not shown). After being conveyed, the sheet is discharged to the alignment tray 5. Note that a brush roller (not shown) is integrated with the staple discharge roller 32H.
In the vicinity of the recording paper and in the downstream side in the recording paper transport direction,
2I is provided.

The alignment tray 5 has a rear end reference fence (not shown) provided in parallel with the horizontal direction, and a jogger fence 51 shown in FIG. 9 provided along a recording paper transport direction orthogonal to the rear end reference fence. And Prior to performing post-processing on the recording paper, the alignment tray 5 aligns the lower end of the recording paper bundle P with the rear end reference fence, and adjusts the right and left ends of the recording paper bundle P with the jogger fence 51. They are aligned.

Further, the alignment tray 5 is provided with an endless belt (not shown) and a discharge claw attached to the endless belt and moving upward along the alignment tray 5 so that the aligned recording is performed. While supporting the sheet bundle P at the lower end, the recording sheet bundle P subjected to the end face binding process is discharged from the alignment tray 5. When the bundle of recording papers after attaching the binding device composed of the male and female binding members to the alignment tray 5 is discharged from the alignment tray 5,
One of the binding devices (in this embodiment, the female binding member 1 </ b> B) has a groove 50 (a hole that can be pulled out to the upper surface of the alignment tray 5) for the upper surface of the alignment tray 5 to escape from the lower surface of the alignment tray 5. Is formed.

As shown in FIG. 9, the post-processing device 6 includes a punching device 7 for punching holes near the end face of the bundle of recording paper conveyed and aligned on the alignment tray 5, and a punching hole formed by the punching device 7. A binding device 8 for binding the punched holes of the punched recording sheet bundle P with a binding device composed of male and female binding members.

In FIG. 8, the punching device 7 punches a punch hole at the lower end of the recording paper bundle P aligned by the alignment tray 5, and after punching the punch hole, the following will be described. In order to perform the binding operation in the binding device 8, the binding device 8 is retracted from a stage for a post-processing device (not shown) set at the lower end of the alignment tray 5.

After the punching operation by the punching device 7 is completed and the punching device 7 retreats from the stage, the binding device 8 advances to the stage, and moves to the above-described male binding member 1A and female binding member 1B. Are automatically attached to the punch holes. The binding device 8 can also be evacuated from the stage at the lower end of the alignment tray 5 after the completion of the binding processing operation.

In FIG. 10, the binding device 8 is generally provided so as to be movable in the width direction of the alignment tray 5 (the paper surface direction in FIG. 10) with respect to the recording paper post-processing device main body (not shown). It comprises a housing 8A and an upper housing 8B provided directly above the lower housing 8A.

The lower housing 8A includes a main drive source 81,
A cam 82 to which a rotational driving force from the main driving source 81 is transmitted via a timing belt 81A, a push-up member 83 that rotates upward about a fulcrum 83A by the turning power of the cam 82, and a female mold Female-side holding member 8 that supports the binding member 1B and is pushed up by the raising operation of the push-up member 83
4 and a guide member 84A for guiding the upward movement of the female holding member 84.

A boss 82A is formed on the cam 82, and constitutes a push-up mechanism that makes contact with the base end of the push-up member 83 to reciprocate the distal end side of the push-up member 83 in the vertical direction.

Further, the lower housing 8A has
As shown in FIG. 1, the female holding member 84 slides in a direction parallel to the floor surface direction of the lower housing 8A (direction along the paper surface of the recording paper bundle P), that is, in the direction B, so that a continuous installation hole is formed. A fitting mechanism 85 is provided for fitting the recess 12B of the engaging portion into the small hole 14B of the fourteen. The fitting mechanism 85 of this embodiment includes a second driving source 85A, a driving cam 85B that is rotated by the driving force of the second driving source 85A, a connecting portion 85C of the driving cam 85B, and a female holding member 84. And a connecting member 85D for connecting the two.

As shown in FIG. 10, the upper housing 8B has a pressing member 86 connected to the cam 82 via a connecting member 89, and a pair of right and left members which are pressed by the pressing member 86 to lower the male binding member 1A. The male side holding member 87 having the same shape as shown in FIG. 12, a guide portion 86A provided on a pressing member 86 for guiding the lowering operation of the male side holding member 87, and the male side holding member 87 And a supporting mechanism 88 for supporting the male binding member 1A by moving in the approaching A and A 'directions.

As shown in FIG. 10, the pressing member 86, together with the cam 82 and the connecting member 89, is used to insert the engaging portion of the male binding member 1A into the continuous hole of the female binding member 1B. Make up the mechanism. The moving direction of the pressing member 86 is guided by a guide member (not shown) in the upper housing 8B so that the pressing member 86 can move toward the lower housing 8A. Has become. Further, the pressing member 8
6, a spring (not shown) is provided, and an elastic force is normally applied in a direction away from the lower housing 8A.

In FIG. 12, the bearing mechanism 88 connects the third driving source 88A and the male side holding member 87 to the fixing portions 8 on one side.
7A, and a pair of pulleys 88 in which the driving force of the third driving source 88A rotates via the belt 88B.
C.

Further, as shown in FIG. 13, male and female cartridges C1 and C2 accommodating a plurality of male and female binding members, and male and female cartridges C1 and C2, respectively. A supply device 100 for individually supplying each female binding member is provided.

A male cartridge C1 shown in FIGS. 14A, 14B and 14C has a casing 91 in which a plurality of male binding members 1A are slidably accommodated in slide grooves 91A having a substantially T-shaped cross section. The opening 9 provided in the casing 91
1B via the pushing member 92A.
A, a pair of left and right stoppers 93 rotatable about a fulcrum 93A, and a male binding member 1A pushed by the spring 92 are prevented from jumping out of the casing 91 (locked state). ), And a spring 94 that applies an inward turning force to the stopper 93.

On the other hand, the female cartridge C2 shown in FIG.
Is a casing 95 in which a plurality of female binding members 1B are slidably accommodated in a slide groove 95A, and each female binding member 1B is pushed through an urging member 96A toward an opening 95B provided in the casing 95. A spring 96 for pushing, and a pair of left and right stoppers 97 rotatable about a fulcrum 97A
A stopper 97 for preventing the female binding member 1B pushed by the spring 96 from jumping out of the casing 95 (into a locked state), and a spring 98 for applying a turning force inward to the stopper 97. ing.

As shown in FIG. 13, the supply mechanism 100 comprises a first supply mechanism 100A for supplying the male binding members 1A one by one from the male cartridge C1 immediately below the male holding member 87, and a female cartridge. The second supply mechanism 100B sequentially supplies the female binding members 1B one by one from C2 to the position directly above the female holding member 84.

When the cartridge C1 is mounted on a predetermined mounting portion (not shown) provided on the upper housing 8B of the binding device 8, the first supply mechanism 100A resists the elastic force of the tension springs 94 and 98, respectively. Then, the stoppers 93 and 97 rotate outward, and the binding member housed inside is opened (unlocked state) so as to protrude to the outside (unlocked state). A pair of pulleys 101 for sequentially sending the binding member toward the stage
A, a conveyor belt 102B stretched around
1A for driving the motor 1A. In addition,
The second supply mechanism 100B also includes the first supply mechanism 100B.
It has the same configuration as A.

Next, the operation of the entire recording paper post-processing apparatus according to this embodiment will be described. (1) In the case where the image is transferred by the image forming apparatus 2 and the post-processing is not performed on the recording sheet discharged from the image forming apparatus 2, the non-processing mode is selected and set. Then, the sheet is conveyed as it is along the non-processing conveyance path α by the sorting action of the separation claw 33, and is discharged by the discharge roller 32D onto the tray 3A outside the recording sheet post-processing device 3.

(2) When, for example, the end-face binding processing mode is selected and set, a solenoid (not shown) is operated to rotate the separation claw 33, and each recording paper is sequentially conveyed toward the post-processing conveyance path β. Will be done.

The direction of conveyance of these recording papers conveyed in this manner is reversed by approximately 180 degrees near the end of the post-processing conveyance path β so that the leading end side is obliquely upward. Then, each recording paper bundle P conveyed here
Is hit in the direction of the rear end reference fence and falls to the lower end of the matching tray 5 by the cooperative action of the rotating operation of the brush roller 32H and the hitting roller 32I movable in the direction of the matching tray 5.

Thus, a plurality of predetermined sheets (for example, up to 5
(About 0 sheets) of recording paper are stacked on the alignment tray 5, and the recording paper alignment operation is performed prior to the end face binding operation on the alignment tray 5. That is, when the trailing end of the recording paper bundle P reaches the rear end reference fence of the alignment tray 5, the jogger fence 51 moves in the width direction of the alignment tray 5 (the width direction of the recording paper bundle) and moves on both sides of the recording paper bundle P. The edges are pressed to align the recording paper bundle P at the center in the transport direction.

A series of such aligning operations are performed on a plurality of recording paper bundles P discharged from the image forming apparatus 2, and thereafter, the process proceeds to a punching operation and an end face binding operation.

The recording paper bundle P stacked and aligned on the alignment tray 3 in this manner is punched by punching an end face of the recording paper bundle P by the punching device 7 shown in FIG. Then, the binding process is performed on the punch holes by the binding device 1. That is, the binding device 8 clamps the male binding member 1A and the female binding member 1B shown in FIG. 1 at the punch hole positions of the recording sheet bundle from both upper and lower sides, and the end face of the recording sheet bundle P is bound.

The recording paper bundle P in which the punching holes are bound by the binding device 1 is finally lifted upward along the surface of the alignment tray 5 while being supported by the ejection claws, as shown in FIG. The sheet is discharged to the tray 3A by the sheet discharge roller 32D.

Next, the operation of binding the end face of the recording paper bundle using the binding device will be described in detail. As shown in FIG. 16, when the cam 82 is rotated counterclockwise by the main driving source 81, the recording paper bundle P in which the punch holes H are punched by the punching device in the alignment tray 5 is connected by the connecting member 89. The pressing member 86 is pressed downward.

(2) As a result, the male holding member 87 is simultaneously pressed down, and the projection 12 of the male binding member 1A is inserted into the punch hole H. Further, the projecting portion 12 is moved down by the pressing member 86 which descends as it is,
B is inserted into the large hole 14A of the ball-shaped continuous holes 14 of B. When the male binding member 1A is pressed down by the pressing member 86, the pair of male holding members 87 approach each other and move the base 11 of the male binding member 1A from both ends as shown in FIG. I support it.

(3) On the other hand, at this time, the female binding member 1B into which the protruding portion 12 is inserted causes the boss 82A to rotate the cam 82 so that the boss 82A moves to the base end (right end) of the push-up member 83 in FIG. Part) is pushed downward. As a result, the distal end of the push-up member 83 rotates upward about the fulcrum 83A, and the female holding member 84 immediately above the distal end is pushed upward. Thereby, the female side holding member 8
4 can be brought into contact with the lower surface of the recording paper bundle P exactly.

(4) At this time, in FIG. 17, the second driving source 85A of the pushing mechanism 85 is operated, the connecting member 85D is pushed downward in the same figure, and the female holding member 84 is moved to the guide member 84A. While being guided, he also moves downward. As a result, the concave portion 12B of the engaging portion of the male binding member 1A inserted into the large hole 14A is inserted and fitted into the small hole 14B. Thereby, the end of the recording paper bundle P is firmly sandwiched and fixed between the male binding member 1A and the female binding member 1B of the binding device 1.

(5) Then, as shown in FIG. 18, the moving belt 88B is rotated counterclockwise by the driving force of the third driving source 88A of the moving mechanism 88,
The male holding members 87 fixed to 8B and in the binding state approaching each other are separated from each other to be in an open state. This allows
The male binding member 1 supported by the male holding member 87
A is released from the male holding member 87.

In the binding device 8 of this embodiment, the description has been made on the premise that punching holes are punched collectively in the recording paper bundle P. First, punching holes are punched in the recording paper one by one. After that, the recording paper bundle may be bundled and aligned, and the end face may be bound. Further, in addition to the above, for example, instead of the end face binding with the binding device, the recording paper bundle having a punched hole in the center is folded in the center, and the binding is saddle-stitched into the punched hole of the recording paper bundle. Such a configuration may be used.

[0059]

As described above, according to the first aspect of the present invention, the engaging portion of the male binding member fitted into the small hole of the female binding member is small. After removing the protrusions of the male binding member inserted into the continuous holes of the female binding member by removing them from the continuous holes, the recording paper bundle is sandwiched from both sides. Can be removed easily, without damaging fingers and nails, and the bound paper bundle can be unwound relatively easily, and the bindings can be reused many times. It is economical.

Further, according to the second aspect of the present invention, since the male binding member and the female binding member are integrally connected at the connecting portion, both the male and female binding members are separately formed. Less likely to be lost compared to
This is convenient, and the connecting portion is made of a flexible material, so that the binding operation can be easily performed.

According to the binding device of the second aspect of the present invention, the binding device can be reused many times, which is economical.

Further, according to the fourth aspect of the present invention, the male cartridge and the female cartridge accommodating a plurality of the male binding members and the female binding members, respectively, are provided with stoppers, respectively. By attaching the cartridge, the locked state of the stopper is released, and each binding device inside the cartridge is supplied by the supply mechanism, so that a large number of male binding members and female binding members can be replenished quickly and efficiently. And then do the binding work,
Work efficiency can be significantly improved.

[Brief description of the drawings]

FIG. 1 is a perspective view of an essential part showing a recording paper bundle bound by a binding device according to the present invention.

FIG. 2A is a front view showing a male binding member constituting the binding device, and FIG. 2B is a plan view thereof.

FIG. 3 is a plan view showing a female binding member constituting the binding device, and FIG. 3B is a side view thereof.

FIGS. 4A to 4C are explanatory diagrams showing a binding operation of a bundle of recording sheets using the binding device.

FIG. 5 is a side view showing a modification of the binding device, and FIG. 5B is a plan view thereof.

FIGS. 6A to 6C are explanatory diagrams showing the first half of a binding operation of a recording paper bundle using the binding device.

FIGS. 7A to 7C are explanatory diagrams showing the latter half of the binding operation of a bundle of recording sheets using the binding device.

FIG. 8 is a schematic configuration diagram showing a recording paper post-processing device incorporating a binding device according to the present invention.

FIG. 9 is a perspective view showing a schematic configuration of the binding device and the like.

FIG. 10 is a configuration diagram showing a schematic configuration of the binding device.

FIG. 11 is a schematic configuration diagram showing a fitting mechanism provided in the binding device.

FIG. 12 is a schematic configuration diagram showing a support mechanism provided in the binding device.

FIG. 13 is a schematic configuration diagram showing a supply mechanism provided in the binding device.

14A is a schematic cross-sectional view showing the configuration of a male cartridge used in the binding device, FIG. 14B is a schematic plan view, and FIG. 14C is a front view.

15A is a schematic sectional view showing the configuration of a male cartridge used in the binding device, FIG. 15B is a schematic plan view, and FIG. 15C is a front view.

FIG. 16 is an explanatory view showing a state where the female binding member is pushed up by the binding device.

FIG. 17 is a schematic configuration diagram showing a fitting mechanism provided in the binding device.

FIG. 18 is an explanatory view showing an operation of a support mechanism provided in the binding device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Binding tool 1A Male binding member 1B Female binding member 11 Base 12 Projection 12A Convex part (engagement part) 12B Concave part (engagement part) 13 Base part 14 Continuous hole 14A Large hole 14B Small hole 15 Handle 2 Binding tool 2A Male binding member 2B Female binding member 2C Connecting portion 22 Projection portion 24 Continuous portion 24A Large hole 24B Small hole 3 Recording paper post-processing device 4 Image forming device 5 Matching tray 6 Post-processing device 7 Punching device 8 Binding device 8A Lower housing 8B Upper housing 82 Cam 82A Boss 83 Push-up member 84 Female side holding member 85 Fitting mechanism 85B Drive cam 85D Connecting member 86 Pressing member 87 Male side holding member 88 Supporting mechanism 89 Connecting member 91 Casing 91A Sliding groove 91B Opening 93 Stopper 95 casing 95A slide groove 95B opening 97 stopper 100 supply mechanism 100A First supply mechanism 100B Second supply mechanism 102A Transport belt 102B Transport belt C1 cartridge C2 cartridge H Punch hole P Recording paper bundle

Claims (4)

[Claims] 1. A binding device for a bundle of recording papers, which bundles and binds each recording paper having a punched hole, and comprises a base and a projection inserted into the punched hole of the recording paper bundle provided on the base. A male binding member having an engagement portion formed on the outer peripheral surface of the projection, a base, a small hole formed in the base and fitted to the engagement portion, and an inner diameter larger than the engagement portion. A female binding member having a substantially hole-shaped continuous hole connected to the large hole, and a handle provided on the base for fitting the engaging portion with the small hole; A binding device for a recording paper bundle, wherein the vicinity of the punch hole is sandwiched between the female and male bases from both sides to bind the recording paper bundle. 2. The method according to claim 1, wherein the male binding member and the female binding member are integrally connected by a connecting portion, and the connecting portion is configured to have flexibility. Binding paper bundle. 3. A male holding member for temporarily holding a male binding member, a female holding member for temporarily holding a female binding member, and the male binding by moving the male holding member. The protrusion of the member is passed through the punched hole of the aligned recording paper bundle, and one or both of the male holding member and the female holding member are moved to move the protrusion to the female binding member. An insertion mechanism that passes the recording paper bundle between the base of the female binding member and the base of the female binding member through the large hole of the continuous hole; and after the operation of the insertion mechanism, the male holding member and the female One or both of the side holding members are moved to fit the protrusions into the small holes of the continuous holes, and the male binding member and the female binding member are prevented from coming off from each other, and the recording paper bundle And after the actuation of the fitting mechanism, the male holding member A male supply mechanism for supplying a new male binding member, and a female supply mechanism for supplying a new female binding member to the female holding member after the fitting mechanism is activated. Paper bundle binding device. 4. A male cartridge and a female cartridge accommodating a plurality of male binding members and a plurality of female binding members, respectively, and a male cartridge provided in each of the male cartridge and the female cartridge and accommodated in each cartridge. A stopper for holding the mold binding member and the female binding member in a locked state, and preventing them from being released to the outside; by attaching each of the cartridges to the binding device, the locked state of the stopper is released; 4. The binding apparatus according to claim 3, wherein each of the binding devices inside the cartridge is sequentially supplied by a supply mechanism.