JP2845280B2 - Paper skew conveyance device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an oblique sheet conveying device applicable to a sorter used in a copying machine, a printer, and the like.

[Conventional technology]

2. Description of the Related Art Conventionally, an oblique sheet conveying device has been used to change a sheet such as copy paper discharged from a copying machine main body to a front end surface reference during the conveyance of the sheet when the sheet is a center reference.

The oblique rollers forming the oblique sheet conveying device have a tilted support shaft to apply oblique conveying force to the sheet, and use bevel gears to connect to a timing belt as a driving force transmitting means. Some use a joint, others use a one-tooth timing belt.

[Problems to be solved by the invention]

In the above prior art, which has a bevel gear configuration,
Since the positional relationship of the center of the support shaft is three-dimensionally regulated, it is necessary to increase the precision of the parts.In the case of the joint structure, the structure of the joint is complicated and the cost is high, and the structure of the joint is simplified. If the angle is large, the belt is likely to come off, and a special belt is required for the oblique roller. There was a problem that was complicated.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a sheet skew conveyance device that can reliably transmit a driving force to a skew roller with a relatively simple configuration.

[Means for solving the problem]

It is an object of the present invention to provide a sheet oblique conveyance device having oblique rollers for obliquely conveying a sheet, oblique section receiving rollers, and oblique section discharge rollers, and a timing pulley for driving the oblique section receiving rollers. , A timing belt provided between the driving roller and a timing pulley for driving the inclined roller, a helical gear for driving the inclined roller obliquely, a helical gear portion meshed with the helical gear, and a timing pulley engaged with the timing belt. This is achieved by a first means provided with an idler having an integral part.

The above objects, in a first unit, a conveying force F ₁ by the HasuMuko unit receiving roller is larger than the conveying force F ₂ by the oblique rollers, the swash conveying force F ₃ by the HasuMuko unit discharge roller It is achieved by the means equivalent to the conveying force F ₂ by countercurrent roller.

[Action]

The driving force from the timing belt is reliably transmitted to the helical gear for obliquely driving the oblique rollers via the timing pulley and the helical gear of the idler.

〔Example〕

 Hereinafter, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a front view showing an embodiment of the entire sheet conveying apparatus, and entrance guide plates 101 and 102 are provided at an entrance A of a copy sheet discharged from a copying machine which is an example of an apparatus main body. A switching claw 103 is provided to convey the copy paper subsequent to the plates 101 and 102. The path above the switching claw 103 is the entrance guide plate 101, the guide plates 110 and 114, the transport roller 1
08, the driven roller 109, the discharge roller 111, the driven roller 115, and the upper transport section 100 provided with the proof tray 116, and the path below the switching claw 103 is the oblique guide plate 20.
5, Oblique section driven guide plate 217, lower transport section guide plate 308, driven guide plates 309, 310, oblique section receiving roller 201, oblique roller 20
2, the slanted part discharge roller 203, the driven roller 214, 216, the ball 215, through the slanted part 200, the conveying roller 301, 302, the driven roller 305, 30
6 and continues to the deflection section B path.

A deflecting claw 312 and a deflecting unit discharge 304 are provided at positions corresponding to the bins 350 on the deflecting unit B path, respectively.
07 is pressed. The conveying roller 108 and the discharging roller 111 are driven by a proof motor 117, and the inclined receiving roller 2
01, oblique rollers 202, oblique section discharge rollers 203, transport rollers 301 and 30
2, and the deflecting unit discharge roller 304 is driven by a drive motor 313. In addition, the pulse generator 315
Is mounted to generate a pulse signal proportional to the number of rotations of the motor to control each part.

FIG. 2 is a plan view of this embodiment of FIG.
On the side of the group of 0, a stapler 701 as stapling means to be described later, a device (hereinafter referred to as a chucking unit) 615 for moving a copy sheet to the stapler 701, and a vertical movement for moving the stapler 701 and the chucking unit 615 to each bin 350 A stapler device (binding means) 700 constituted by a mechanism is arranged.

Also, bin 3 on the opposite side where stapler device 700 is placed
On the side of the group of 50, a pressing member 502 which will be described later as an aligning means for aligning the copy paper before stapling, and a device for moving the pressing member 502 portion to a place suitable for the size of the copy paper are constituted. The swing device 500 is arranged.

Bin 350 on the side where the stapler device 700 is located
Roller device 55 which is a means for aligning copy paper in the vicinity
0 is arranged.

The sorter of this embodiment is a 20-bin sorter as shown in FIG. Bin sensors 321 and 323 and paper discharge sensors 322 and 324 are provided above and below, respectively. These sensors 321,323,322,
Reference numeral 324 denotes a transmission type optical detection sensor including an LED and a phototransistor. The paper ejection sensors 322 and 324 perform the operation of detecting whether or not the copy paper has been ejected.
Bin sensors 321 and 323 perform an operation of determining whether or not a copy sheet exists in 50. Further, the upper transport unit 100 has a paper discharge sensor 121 for detecting whether or not the copy paper has been discharged to the proof tray 116. Further, the lower transport unit 300 is provided with an input sensor 326 for taking timing for distributing copy paper to each bin 350. Both the sensors 121 and 326 are sensors using a photo interrupter with an actuator.

FIG. 3 is a front view showing the details of the upper transport section 100, and FIG. 4A is a side view showing the details of the upper transport section 100. The copy paper discharged from the copying machine main body is placed on guide plates 101 and 102. It is guided and transported to the switching claw 103. The switching claw 103 is connected to a switching solenoid (SOL) 107 via links 104, 105, and 106. When the solenoid 107 is turned off, the copy paper is moved to an inclined portion 200 provided below the upper conveyance section 100, and to the solenoid 107. When turned on, it operates so as to be fed into the upper transfer section 100, respectively.

When the solenoid 107 is turned on, the switching claw 103 is operated, and the copy sheet guided in the upper transport unit 100 is sent to a transport roller 108 provided immediately above the switching claw 103. Transfer roller 108
Is made of EPDM or chloroprene rubber, and the driven roller 109 is pressed by the action of a leaf spring or the like to obtain a conveying force. The transport device composed of a combination of the transport roller 108 and the driven roller 109 is vertically arranged in three rows,
The copy paper is sequentially transported upward. The copy paper is conveyed by this conveyance device between the guide plate 101 and the guide plate 110 to the discharge roller 111 and discharged to the proof tray 116.

The driven roller 109 and the switching claw 103 described above are attached to the guide plate 110, and are rotatably opened around the pin 112 on the back side as shown in the plan view of the guide plate 110 shown in FIG. 4 (b). It is like that. When the guide plate 110 is rotated and opened, the switching claw 103 or the driven roller 109 is opened, thereby facilitating a process such as a paper jam at this portion.

The copy sheet transported by the transport roller 108 and the driven roller 109 arranged in three rows vertically is guided by guide plates 101 and 114 and transported to the discharge roller 111. The material of the discharge roller 111 is also made of EPDM or chloroprene rubber, like the transport roller 108, and the driven roller 115 of the discharge roller 111 is also the transport roller.
Like the driven roller 109 of 108, it is pressed by a leaf spring or the like and has a discharging force.

The copy paper transported to the discharge roller 111 is the discharge roller 1
By the action of 11 and the driven roller 115, the sheet is discharged to the proof tray section 116 shown in FIG. The proof tray section 116 is closer to the main body side than the position of the sorting bin 350 as shown in FIG. This means that the operator can get closer to the operator side, and the operator can easily view and take out the copy paper, and at the same time, shorten the transport distance of the copy paper as much as possible. It has also been shortened.
Further, the proof tray section 116 does not need to be provided with a dedicated proof tray by also serving as a part of the upper cover which is an exterior body.

FIG. 5 is an explanatory view showing a drive system of the upper transport section 100. The upper transport section 100 is provided with a motor 117 independently, and its driving force is transmitted to the transport roller 108 by a timing belt 118 via gears 130 and 131. It is transmitted to the timing pulleys 119 and 120, which are fixed to the shaft of the discharge roller 111, respectively.
This is the configuration that drives 111.

Further, a feature of the above-described upper transfer section 100 is that no transfer roller is provided between the main body discharge section and the switching claw 103. In the use mode of the proof tray section 116, the drive motor 117 of the upper transfer section 100 and the solenoid 107
In the mode in which the copy paper is conveyed simply by operating the bin 350 and the bin 350 is used, the drive motor 117 of the upper conveyance unit 100 and the solenoid 107 do not need to supply power. In addition, the power supply is configured to supply power in a controlled manner, and by maintaining two completely independent transport paths, jam recovery and the like can be easily performed.

The upper conveyance unit 100 is summer detachable easily be Yunitsuto reduction, as a front view showing another embodiment of the transport unit 100 on illustrated in example FIG. 6, Yunitsuto U with different inlet portion A ₁ The post-processing device can be used only by replacing the unit U, even if the discharge position of the copying machine main body is different due to the mounting of the unit. In FIG. 6, the same members as those in FIG. 1 are denoted by the same reference numerals.

Next, the oblique portion 200 in FIG. 1 will be described more specifically.

The oblique section 200 is a unit for changing the copy paper discharged from the copying machine main body to the front end face reference in the transport path when the copy paper is at the center reference. As shown in FIG. It is located in the lower vertical part. The use of the vertical transport path is intended to reduce the size of the entire apparatus and to save space.

The copy paper discharged from the copier is guided to the switching claw 103 in the bin 350 use mode such as sorting or stacking, and is sent to the lower oblique portion receiving roller 201. The oblique portion receiving roller 201 is made of EPDM or coloroprene rubber, and the driven roller 214 is pressed by a leaf spring or the like.
Has gained the conveying force.

FIG. 7 is a side view of the oblique roller 202, which is about 25 to 3 mm so that the copy sheet is conveyed toward the reference guide 204.
Two oblique rollers 202 inclined by 0 ° are arranged. The oblique rollers 202 are also made of EPDM or chloroprene rubber, similarly to the oblique section receiving rollers 201.

As a driven roller, a ball 215 pressed by a compression spring 218 is used as shown in an enlarged sectional view of FIG.
Prevents buckling of copy paper when hitting 4. The copy sheet conveyed obliquely to the reference guide 204 by the oblique rollers 202 is sent to the oblique discharge rollers 203. The slanted portion discharge rollers 203 ensure the conveyance to the next conveyance path, and are made of the same material as the slanted portion reception rollers 201.

In FIG. 8, the driven ball case 219 and the holding member 220
The structure of the compression spring 218 presses the driven ball 215 in the vertical conveyance path.

The conveying direction speed V of the above-mentioned conveying rollers is the oblique portion receiving roller 20.
Speed V _{1 of 1} ≒ Speed V ₂ of oblique roller 202 <Ejection roller 203 of oblique section
The velocity V ₃ of. However, since the speed V ₂ of the oblique roller 202 is a component in the downward conveyance direction, V ₂ = V _2a × cos θ.
For _2a = V _3, and summer and V ₂ = V ₃ cosθ.

Further, the relationship of the conveying force F in each of the conveying rollers is such that the conveying force F _{1 of the} oblique portion receiving roller 201> the conveying force F ₂ of the oblique roller 202.
And conveying force F ₃ of HasuMuko portion discharge rollers 203. Thus also the copy paper tip to increase only conveying force F ₁ of HasuMuko portion receiving roller 201 is sent into the oblique roller 202, the oblique to the rear end leaves the HasuMuko unit receiving roller 201 The purpose is to prevent it and keep the timing of the oblique direction constant. Further to the conveying force F ₃ of HasuMuko portion discharging roller 203 equal to the conveying force F ₂ of the oblique roller 202 is order to leave a margin in the conveying distance HasuMuko.

 Next, a driving method of each transport roller of the oblique portion 200 will be described.

FIG. 9 is an explanatory diagram showing a drive system of the oblique section 200. No.
In FIGS. 7 and 9, the driving force input from the timing pulley 210 fixed to the shaft of the inclined discharge roller 203 is applied to the timing pulley fixed to the shaft of the inclined reception roller 201 via the double-toothed timing belt 213. Transferred to 206, inclined section receiving roller 2
01 is getting the driving force.

FIG. 10 is an enlarged front view of the drive transmission portion.In FIGS. 7 and 10, since the oblique rollers 202 need to be inclined obliquely to the axis, the helical gear 209, the helical gear portion 208a, and the timing pulley portion 208b are integrally formed. The driving force is obtained from the double-toothed timing belt 213 via the idler 208.

FIG. 11 is an explanatory view showing the oblique movement of the copy sheet, and FIG. 11 shows the ideal movement of the copy sheet at the time of oblique. That is, when the rear end of the copy paper P releases the oblique portion receiving roller 201, the oblique direction starts, the oblique direction ends when the rear end of the copy paper P hits the end face against the reference guide 204, and the oblique portion discharge roller 203 advances straight. Transport will be performed.

FIG. 12 is a partial cross-sectional view of the reference guide 204, and in this embodiment, the reference guide 204 is fixed to the oblique driving side guide plate 205 facing the oblique driving guide plate 217 with screws. ing.

The copy paper sent out from the oblique section 200 is guided by the lower transport guide plate 308 and the driven guide plates 309 and 310 in FIG. 1, and is sent to the deflecting section B by the transport rollers 301 and 302 and the driven rollers 305 and 306. The deflecting unit B includes a deflecting unit discharge roller 304, a driven roller 307, a driven guide plate 311, and a deflecting claw 312. Each deflecting claw 312 can be individually operated by a solenoid. Deflection claw 312 according to specified mode conditions
The copy paper is guided to each pin 350 by being opened and closed by a solenoid, and is stacked.

FIG. 13 is a perspective view schematically showing the swinging device, FIG. 14 is a plan view showing the relationship between the swinging device and the bins, and FIG. 15 is a side view of the swinging device. A bin fluence 450 is erected on the side edge, and a bin rear end rising portion 508 is erected on another side edge orthogonal to the edge where the bin fluence 450 is provided. Further, an elongated hole portion 511 is provided at the edge opposite to the edge where the bin fluence 450 is provided.

As shown in FIG. 14, the elongated hole portion 511 has a distance a from the bin rear end rising portion 508, a distance b from the bin fence 450 and the bin rear end rising portion 508, and a width c of the bin fence 450. It is provided to extend for a predetermined length toward 450.

In this embodiment, the dimension a is between 125 and 140 mm. This is because, as a result of the experiment, when the dimension a is 125 mm or less, a moment as shown in the plan view of the bin in FIG. Is not possible, and if the dimension a is 140 mm or more, copy paper P of small size such as B5
At this time, a moment as shown in the plan view of the bottle in FIG. 17 was applied, and it was understood that good alignment could not be performed. For this reason, the dimension a was 125 mm to 1 mm.
Between 40mm.

13 to 15, an oscillating shaft 502 having a circular cross section is provided upright so as to penetrate vertically in each of the long holes 511 provided in each of the bins 350. The swinging shaft 502 is for abutting against the end face of the sheet bundle to perform alignment, and the surface of the swinging shaft 502 has a high friction member rubber,
Sponge, sandpaper, sandblasting and bonding are applied. Further, as shown in FIG. 15, the pivot shaft 502 exerts an unnecessary force on the copy paper bundle due to the elasticity of the leaf springs 503a and 503b, so that the copy paper is not damaged or wrinkled, and the motor is not overloaded. It has become.

FIG. 18 is an explanatory view showing the operation of the copy paper and the swing shaft 502. When the copy paper is curled upward, the swing shaft 502 is moved.
Even if it is attempted to perform alignment, it is not possible to perform sufficient alignment just by trying to go all up as in the state from the explanatory view of FIG. 18, so the high friction member on the surface of the swing shaft 502 The slip of the copy paper is suppressed and the copy paper reaches the bin fluence 450 to ensure good alignment.

Further, the upper end and the lower end of the swing shaft 502
As shown in FIG. 15 and FIG. 15, the timing belt 507a which is inserted into the concave portions of the holders 504a and 504b and extends in the upper region and the lower region of the bin 350 substantially in the same direction as the elongated hole portion 511 extends. And 507b are arranged respectively. The convex portions of the holders 504a and 504b enter and are fixed to the concave portions of the timing belts 507a and 507b. Of the pulleys 509, 510, 516, and 512 on which the timing belts 507a and 507b are respectively mounted, pulleys 509 and 51
6 is a drive shaft 5 provided to extend in the vertical direction
14 are fixed to both ends. The lower timing belt 507b is hung on a pulley 512 provided on the output shaft of the size movement motor 515. The movement of the swing shaft 502 depending on the size is managed by the number of pulses given to the size movement motor 515.

For a certain sheet size, the swing shaft 502 is stopped at a predetermined distance from the discharged copy sheet by the size moving motor 515 (10 mm in this embodiment). When the discharge is completed and the copy paper drops to the rear end rising portion 508 of the bin, at the same time, the swing shaft 502 is moved to the copy paper side, and a pulse is applied so as to have a certain amount of cut (5 mm in this embodiment) from the copy paper end face. Is managed.

At the time of swing 502, when the copy paper is pressed and returned, it is temporarily stopped at the copy paper size width and then returned to the home position, or the copy paper once aligned by the method of changing the moving speed of the swing shaft 502 Is prevented from leaving the bin fence 450 again due to the waist of the paper.

The copy paper bundle is pressed against the bin fluence 450 by the swing shaft 502, and as a result, the position is aligned with one end surface of the copy paper bundle. Bin fluence 45 for aligning the other end
Abut the copy paper against the bin rising section 508 orthogonal to 0,
As a means for aligning, a method of dropping copy paper using the inclination of the pin 350 is used.

The bin 350 has been devised in various ways in order to properly perform sheet alignment and stapling.

FIG. 19 is an explanatory view showing a state in which the bin 350 is mounted, and the bin quasi-angle portions 402 and 403 are formed gently with respect to the bin main angle portion 401. When the bin main angle portion 401 is set to a predetermined angle (30 ° in this embodiment), the copy paper starts to buckle gradually as the discharged copy paper is stacked. This is noticeable in thin paper (see the state of buckling of copy paper (A portion) shown in FIG. 20). The bin quasi-angle unit 403 can prevent the buckling of the copy paper described above by supporting the weight of the copy paper to some extent by the bin quasi-angle unit 403. In this embodiment, the bin quasi-angle portion 40
The angle of 3 is 15 °. However, if the length of the bin main angle portion 401 is short and the length of the bin quasi-angle portion 403 is long,
In some cases, the copy paper does not drop because the weight of the copy paper is excessively supported by the portion 02. Therefore, the length of the bin main angle portion 401 and the bin quasi-angle portion 403 must be appropriate lengths,
It is preferable that the bin main angle part is about 300 mm and the bin quasi-angle part is about 80 mm.

The bin quasi-angle portion 402 is provided for face curl. The stacking status of copy paper exhibiting face curl without the bin quasi-angle portion 402 shown in FIG. 21 is shown in FIG. 22. Comparing with FIG. 21 shows the difference between the part c in FIG. 21 and the part d in FIG. In part c of FIG. 21, the copy paper bundle P is floating away from the bin 350, but in part c of FIG.
Not far from 350. This indicates that the shape of FIG. 22 can stack a larger number of sheets of the copy paper bundle P exhibiting face curl than the shape of FIG. In this embodiment, the bin quasi-angle portion 402 is 15
゜, the length is about 20mm.

FIG. 23 is a front view showing the entire bottle 350, and FIG.
FIG. 50 is a plan view of the projection 411 protruding from the lower side of the bottle 350.
Is for curling copy paper. The copy paper discharged onto the bin 350 is aligned in one direction, but the copy paper with a large curl is removed from the bin fence 4 provided on the side of the bin 350.
Overcoming 50 and worsening alignment. The convex part 411
Are installed so that curling of copy paper and the like can be suppressed and alignment can be performed well.

FIG. 25 is a partial cross-sectional view of a pin 350 having a curl presser,
FIG. 26 is a partial cross-sectional view of the bin 350 without the curl presser. In FIG. 26, the state of, in the copy paper shows the time-dependent state when the copy paper is aligned. I have.

In FIG. 24, reference numerals 412, 413, and 414 denote handles for fixing the bottles. FIG. 27 is a side view of the bottle 350, showing an attached state. In the figure, 430a and 430b indicate side plates, and 431a and 41
3b shows a bin support. Bin tray on bin fuence F side
Fix the bottle 350 at 431a, and the other side bin holder 431b
Is only supported with a slight gap from the bottle 350. By fixing the bin fluence F side, it is possible to prevent the staple position from varying. Also bin holder 43
The small gap provided on the 1b side allows the thermal expansion of the bottle 350 to be absorbed.

In FIG. 24, reference numeral 410 denotes a long hole for the swing shaft to move in accordance with the sheet size. The bin rib 415a is provided to improve the dropping property of the copy paper. Bin rib 41
5a, 415c, 415e. Due to the notch 422 for taking out the copy paper, when the copy paper is stacked on the bin 350, the portion of the bin ribs 415b, 415c, 415e close to the notch for taking out the copy paper is Is higher than the height. When the copy paper is bent, the dropping property of the copy paper is significantly deteriorated. In addition, when the copy paper is swung by the swing shaft 502 in FIG. 13, since the bent copy paper has no stiffness, the alignment accuracy may not be obtained even if the copy paper is swung. The rib 415f of the bin 350 is designed so that the discharged copy paper does not enter the long hole 410 for the swing shaft.

FIG. 28 is a cross-sectional view of a part of the rib 415f near the long hole 410 for the swing shaft, and the rib 415f projects above and below the bin 350 so that the copy paper to be loaded does not fall below. At the same time, it does not enter the cutout of the upper bin. The arrangement of the rib 415f is also from the end face of the copy paper size.
It is set near the position of 10 mm, and it is designed to reliably guide the end face of the sheet which is particularly likely to enter the long hole 511.

The reason why the shape of the rib 415f on the upper side of the bin 350 in FIG. 28 forms a gentle triangular shape on one side is that when the copied copy paper bundle P is stapled as described later and then discharged, it is discharged. This is for guiding the copy paper so as not to be caught on the rib 415f. The rib 415f
In the vicinity of the bin rising portion 420 in FIG. 23, for example, as shown in FIG. 29, the upper and lower ribs are low ribs 415f and 415h, and are gradually increased to the long hole portion 410. This is performed to secure a large number of sheets to be loaded. The bin rib 415g in FIG. 24 follows the rib 415f in the rib position. This rib is provided to improve the dropping property of the copy paper.

The notch 416 shown in FIG. 24 is a notch for chucking a copy sheet whose chucking portion is aligned on the bin 350.

The portion 417 in FIG. 24 falls below the other surface of the bin 350 as shown in a side view showing a part of the bottle 350 in FIG. The portion 417 is provided for taking out small-sized paper. Notch 422 for removing copy paper
If the depth is further increased, the portion 417 becomes unnecessary, but in this case, the strength of the bin 350 is extremely deteriorated. The portion 417 is useful in maintaining the bin strength and making it easy to take out the copy paper when small-sized paper is taken out. Reference numeral 418 in FIG. 24 denotes a cutout for a paper discharge roller.

FIG. 31 is an explanatory view showing the positional relationship between the discharge roller 304 and the bin rising portion 420, wherein a ゜ has an angle slightly larger than 90 °. The part b is a straight line part, and the part c is a curved line. The discharge roller 304 is not located on the same plane as the portion c, but protrudes more toward the sheet discharging direction than the portion c. The shape of the bottle rising portion 420 shown in FIG.
The effect is shown on the alignment accuracy in face curl.
However, when the number of stacks increases due to face curl, the stack of copy sheets P is stacked higher than the bin rising section 420, and a "raising end" X as shown in FIG. 32 occurs. In the present embodiment, the shape of the bin rising portion 420, which is effective for face curl, and the discharge roller 304
Combining protruding into the 350 increases the accuracy of face curl alignment, and scrapes copy paper with the protruding discharge rollers 304 to prevent problems such as the "raising the rear end" X ing.

Reference numerals 419 in FIG. 23 and 421 in FIG. 24 are ribs provided for reinforcing the bin. Further, in the alignment by dropping, the alignment accuracy may not be sufficient depending on the type of copy paper. To compensate for this, an approach roller device 550 is provided.

FIG. 33 is a front view of the approach roller 550, and FIG. 34 is a plan view.
Driven shaft 33 held by approach roller holder 331 attached to 0
Roller 333 is attached to 2. The deflection roller 30
4, a driving pulley 334 is fixed, and the driven pulley 335 fixed to the driven shaft
3 is driven. The driving pulley 334 and the driven pulley 335 are approximately 10
Since the copy roller 333 obliquely moves the copy paper, the bin fluence 450 and the bin rear end rising portion 508 can be aligned on both side surfaces.

FIG. 35 is an explanatory view showing the relationship between the copy paper P and the shift roller 333. The copy paper P conveyed by the deflecting unit discharge roller 304 and the driven roller 307 is placed on the designated bin 350 by the deflection claw 312. Is discharged by opening. At this time, the approach roller 333 is 5 to 7 mm away from the bin 350.
Copy paper P is discharged from the upper part of 33 (state).
The rear end of the copy paper P protrudes from the bin rear end rising portion 508 by 20 to 30 mm depending on the speed at the time of discharge. The center of the approach roller 333 is about 15 mm away from the rear end portion 508 of the bin and about 20 mm from the bin fluence 450, and the copy paper P that has fallen on the approach roller 333 is scraped onto the bin 350 by the approach roller 333. . The copy paper P dropped into the bin 350 is guided to the bin rear end rising portion 508 by the inclination of the bin 350,
Dive into the lower part of the (state). Thereafter, the swing shaft 502 is moved at the timing when the rear end of the copy sheet P comes into contact with the rear end rising portion 508 of the bin, and the copy sheet P is abutted against the bin fluence 450 to perform alignment. Then, as shown in the front view showing the installation state of the approach roller device 550 in FIG. 36,
By pulling the solenoid 340, the bracket 337 is pulled upward, and the pin 339 is inserted into the hole 338 in FIG.
And the roller holder 331 rotates counterclockwise about the shaft 340, and the roller 333 falls onto the bin 350. Then, the copy paper is abutted against the bin rear end rising portion 508 and the bin fluence 450 by the rotation of the approach roller 333 to perform alignment.
The swing and the operation time of the shift roller 333 are set so as to end before the next copy sheet is discharged or before entering between the shift roller 333 and the bin 350. Then, the next copy paper is similarly aligned.

Although the copy paper is abutted against the bin fluence 450 and the bin rear end rising portion 508 by the shift roller 333, if the force for moving the copy paper is too strong, the copy paper P buckles as shown in FIG. 37. The conveying force of the shift roller 333 is set so that the copy paper P can be conveyed by one sheet, and is slipped after being hit. For this reason, as shown in FIG. 38, a part of the low friction member 333a
Are provided so as to protrude beyond the circumference of the approach roller 333. A plurality of high friction members 333b may be provided as shown in the front view of the approach roller 333 in FIGS. Further approach
The same effect as described above can be obtained by providing an appropriate friction member on 333 and setting the roller pressure.

The copy paper bundle that has been aligned as described above is taken out in the direction of the arrow x in FIG. 14 after various post-processing such as a stapling operation described below is executed. Since there is no support for the take-out in this take-out direction, the copy paper take-out operation can be easily performed.

 Next, the stapler 700 will be described.

FIG. 41 is a perspective view of the stapler device 700, FIG. 42 is a plan view of the stapler device, and FIG. 43 is a front view of a bearing portion of the bin 350 for stacking copy paper provided in multiple stages. A stapler device 700 is arranged on the side.
In this stapler device 700, a stapler 701 and a sheet pulling device 615 are attached to the upper part of a plate-shaped bracket 703 and fixed respectively. Stapler
A stapler 701 is driven into each of the sorted copy paper bundles stacked on each bin (not shown), and the paper drawing device 615 grips the copy paper bundles on each bin. , Which are transported almost horizontally. A bracket 703a is attached to a portion where one end of the bracket 703 is bent upward, and the bracket 703a
The bearing 704 shown in FIGS. 42 and 43 is mounted on 3a, and the retaining ring shown in FIG. 43 is used.
Fixed at 705. The bearing 704 is passed through a slide shaft 710 set in holders 708 and 709 attached to the base 706 and the upper plate 707 in FIG. Shaft 712 provided on bracket 711
And 713 are provided with rollers 714 and 715.
And 715 sandwich the bracket 716.

Further, the drive belt 7 is substantially parallel to the side of the bin 350.
17 are erected. The drive belt 717 is sandwiched between the bracket 703a and the mounting plate 718 and fixed by screws.

The drive belt 717 is stretched between pulleys 719a and 719b that are vertically spaced apart from each other. Then, the power is transmitted to the pulley 723 via a pulley 721 fixed to the output shaft of the drive motor 720 and a power transmission belt 722, and the drive gear 724 fixed coaxially, and a gear 725 meshed with the drive gear 724 in order. The rotational driving force is transmitted to a driving pulley 719a fixed to one end of the support shaft 726. With such a driving force transmission mechanism,
The driving belt 717 is transported and driven, whereby the stapler 701 and the sheet pulling device 715 are vertically moved.

Furthermore, a position sensor 727 is provided on the bracket 711.
Is mounted, and the bracket 716 is provided so that the position sensor 727 sandwiches the bracket. In the bracket 716, holes 716a indicating positions are formed at predetermined intervals so as to correspond to each bin position. By such a position detecting mechanism, the stapler 701 and the sheet pulling device 615 are controlled so as to be stopped at the installation position of each bin.

The protrusion 728 and the sensor 729 in FIG.
When the protrusion 728 enters the sensor 729, the motor 720 stops ascending.

FIG. 44 is an explanatory diagram for making it easy to understand the movement of the stapler 700, and explains the movement of the copy paper P discharged onto the bin 350, the movement of the chuck section 620, and the position of the stapler 701.

The copy paper P discharged onto the bin 350 is discharged to a position indicated by 730d. Thereafter, it is provided at a position where it comes into contact with the fence 733 by the swinging device described above. Then, when copying is completed and stapling is started, the check
It moves from the position of the dashed line 731b to the position of the dashed line 73c, closes the chuck portion 731 and sandwiches the paper 730c, and stops at the position of the solid line. By this operation, the copy paper P moves to the position 730f, and a certain number of copy papers P are stapled on the bin 350 by the stapler 701. Thereafter, the operation reverse to the previous operation is performed, and the copy sheet P is returned to the position of 730e. This completes the work for one bin 350, goes to the next bin 350, and repeats this operation. Details of these operations will be described later.

FIG. 45 is a front view of the sheet pulling device 615, and FIGS.
FIG. 48 and FIG. 48 are front views of the operating state of the sheet pulling device 615, and a check section 620 for holding the copy sheet bundle P on the bin 350, and a reciprocating movement for reciprocating the check section 620 in a substantially horizontal direction. And a moving mechanism 640. In the check section 620, a pair of rocking levers 62
2 and the lower swing lever 624 are swingably mounted.
The swing lever upper 622 and the swing lever lower 624 are connected to the solenoid 62.
By being actuated by 6, the upper check 623 and the lower check 625 operate so as to hold the copy sheet bundle P.

In the reciprocating mechanism 640, a shaft 642 for a chuck part slide is fixed to a frame 641, a bearing 629 to which a substrate 621 is fixed is engaged with the shaft 642, and the shaft 642 is guided by the shaft 642. The check unit 620 reciprocates. Also, frame 641
Is provided with a timing belt 643 for moving the check section 620 toward and away from the copy paper bundle P side. The check section 620 and the timing belt 643 are connected to the arm section 6 of the substrate 621.
Fixed at 21a. Pulleys 644 and 645 are fixed to both ends of the timing belt 643, and one pulley 644 is attached to a stepping motor 646. The pulley 644 rotates by the output of the stepping motor 646, and the timing belt 643 moves. The movement of the timing belt 643 causes the timing belt 64 to move through the arm 621a.
The check unit 620 fixed to 3 moves reciprocally. A position sensor 650 is installed on the frame 641, and a detection plate 630 is set up on the substrate 621 as a detection target. The position sensor 650 detects the home position of the check section 620. ing.

In the embodiment having such a configuration, when the staple mode is started, first, the drive belt 71 shown in FIG.
7, the stapler 701 and the paper pulling device 615 are moved up and down as a unit, and as shown in FIG. 45, the stapler 701 and the paper pulling device 615 accumulate a copy paper bundle P to be stapled. 41, and is stopped at a position close to a predetermined bin 350 based on a signal from the position sensor 727 in FIG. At this time, the solenoid 626 is turned off, so that the swinging levers 622 and 624 and the chucks 623 and 625 are in the open state.

Next, the stepping motor 646 rotates a predetermined amount, moves the timing belt 643, and moves the check unit 620 forward toward the copy paper bundle P. By changing the rotation speed of the stepping motor 646, speed control during movement of the check unit 620 is performed. In the case of this embodiment, the check section
620 grips the aligned copy paper bundle P with the chucks 623 and 625, gradually accelerates at the start when returning to the staple position, and gradually decelerates at the stop, so that the aligned copy paper is accelerated and decelerated. It prevents variation due to inertia. In the case of moving at the same distance within the same time, the acceleration value is the smallest in the increase value of the inertial force. Therefore, in this embodiment, acceleration and deceleration are performed at a uniform speed.

When the chucks 623 and 625 are moved to a position where they can grip the copy sheet bundle P (FIG. 47), they are stopped there and at the same time the solenoid 626 is turned on. When the solenoid 626 is turned on, the chucks 623 and 625 are closed as shown in FIG. 46, and the edges of the copy bunches P of the chucks 623 and 625 are gripped. The movement at this time will be described more specifically. That is, when the solenoid 626 is turned on, the lever 628 is pulled by the spring 627 hooked on the solenoid 626, the upper lever 622 engaged with the lever 628 rotates counterclockwise around the fulcrum 622a, and the upper Go down.
Also, the lower lever 624 has a connection portion 624c with the upper lever 622, and the movement of the upper lever 622 is transmitted, and the lever 624 is turned at the time 624a.
, The lower check 625 is raised, and the copy paper bundle P is gripped by the upper and lower check 623,625. The amount of movement of the upper check 623 and the lower check 625 from the home position is determined by the length of the rotation fulcrum, the force point and the action point of the lever 628. In the case of the present embodiment, as shown in FIG. 46, in which the amount of movement of the chuck is represented by a ratio, in the case of 623 above the chuck, the distance between the point of action 622b and the fulcrum 622a is 92 mm, the force point 622c and the rotation fulcrum.
Since the distance from 622a is 33 mm, it is 92: 33 ≒ 2.79: 1.In the case of 625 below the check, the distance between the point of action 624b and the axis 624a is 26 mm, and the distance between the power point 624c and the axis 624a is 33 mm. The ratio of the movement amount is 26: 33 ≒ 0.79: 1,
The ratio of the amount of movement between 23 and 625 below the chuck is 2.79: 0.79 ≒ 3.53: 1
Becomes That is, when the upper check 623 moves down by 3.5, the lower check 625 moves up by 1. Also on the check 623
The chucking force sandwiched between the lower and the lower chuck 625 is determined by the force of the spring 627 attached to the solenoid 626. 623 on the check
The spring 627 becomes longer as the number of copy sheets P sandwiched between the lower and upper chucks 625 increases, so that the chucking force is increased. This eliminates problems such as displacement due to insufficient chucking force.

If only one corner of the copy paper is gripped by the checkers 623 and 625, a moment is applied to the copy paper P as shown in FIG. Since there is a problem that the staple position varies due to slanting on the upper side, the check 62 as shown in FIG.
3, 625 may be branched to hold a plurality of portions of the copy sheet P so that the copy sheet P does not slant even when a moment due to inertia is applied.

Next, the reversing rotation of the stepping motor 646 causes the chuck portion 620 to return to the original position as shown in FIG. 48 while holding the copy paper bundle P, whereby the copy paper bundle P is substantially horizontal. And moved toward the snipler 610. Then, when the edge portion of the copy paper bundle P is transported to a position where the stapler can be stapled, it stops there.
After that, the stapler 610 performs stapling on the edge portion of the copy sheet bundle P.

When the stapling operation is completed, the stepping motor 64
6 rotates forward, the check section 620 advances, and after the stapled copy paper P is returned onto the bin 350, the solenoid 626 is turned off. As a result, the upper check 623 and the lower check 625 that have been closed are opened. The movement at this time returns from the state shown in FIG. 46 to the state shown in FIG. 47 by the force of the spring 631.
Thereafter, the chuck portion 620 retreats to a predetermined position by the reverse rotation of the stepping motor 646 again. Thereafter, the stapler 610 and the paper pulling device 615 are transported downward toward the next pin 350, and the same stapler operation as described above is repeatedly executed there.

FIG. 51 is a front view of the paper aligning mechanism, and FIGS. 52 and 53 are front views of the operating state of the paper aligning mechanism. As shown in FIG. A bin fluence 450 for aligning the copy paper bundle P is provided so as to rise from the bin 350 at an edge portion facing the bin 350. The lower edge portion of the bin fence 450 is rotatably attached to a support shaft 451 provided along the lower surface of the bin 350, thereby allowing the bin fence 450 to rotate.
Are tilted to the open position shown in FIG. 52. Both end portions of the support shaft 451 are rotatably supported by bearing piece portions 456 formed at both end edge portions of the bottle 350 so as to face downward. A winding spring 4 is attached to the support shaft 451.
52 is installed. Both winding end portions of the winding spring 452 abut on the lower surface side of the bottle 350 and the back surface of the bin fence 450, respectively, and are locked. The rotational force of the winding spring 452 causes the bin fence 450 to rise in the rising direction. They are now receiving power.

Further, the bin fence 450 is opened according to the up and down movement of the stapler 701 via a fence tilting member. The fence tilting member includes a fence movable plate 427 attached to the support shaft 451 and a fence release plate 454 provided on the stapler 701.

The fence movable plate 453 is a part of the bin fence 450
A portion of the fence movable plate 453 is inserted into the fan-shaped hole of 450a, and when the fence movable plate 453 is rotated downward, the lower part of the fan-shaped hole of one piece 450a of the bin fence 450 contacts. Thus, the bin fence 450 is tilted according to the fence movable plate 453. When the fence movable plate 453 is rotated upward,
Since this is rotated so as to be separated without contacting the bin fence 450 side, the fence movable plate 453 is freely rotated.

The roller 454a of the fence release plate 454 extends to a position where it comes into contact with the fence movable plate 453, and comes into contact with the fence movable plate 453 when the stapler 701 moves up and down.
The fence movable plate 453 is rotated.

In the apparatus in such an embodiment, when the sorting operation is performed first, as shown in FIG. 51, the bin fluence 450 is maintained at the rising position by the rotational force of the winding spring 452, and The edge of the copy paper P discharged onto the bin 350 by the operation is moved to the bin fluence 45.
Paper alignment is performed in contact with 0. When the sorting operation is completed, the above-described stapler 701 starts descending, and the roller of the fence release plate 454 on the stapler 701 side is moved.
454a is brought into contact with the fence movable plate 453 on the bin 350 side.
Then, the fence movable plate 453 is rotated to the lower position as shown in FIG. With the movement of the fence movable plate 453, the bin fence 450 is tilted against the rotational force of the winding spring 452, whereby the bin 350 is opened. At this time, the bin fence 450 and the fence movable plate 453 have been pushed down to a position below the surface position A of the bin 350 indicated by the dashed line in FIG. Then, in this state, the stapling operation as described in the above embodiment is performed.

When the stapling operation is completed and the copy paper bundle P is bin 350
The stapler 701 is moved downward toward the next bin 350 at the same time when the stapler 701 is returned to the original position. Then, when the fence release plate 454 is separated from the fence movable plate 453 by the lowering operation of the stapler 701, the bin fence 450 rises by the rotational force of the winding spring 452 and returns to the original position. Such an opening operation and a stapling operation of the bin 350 are performed for all of the sorted bins 350.

When stapling has been performed on all the copy paper bundles P, the staple 701 is raised and returned to the highest home position. The home position is located further above the first-stage bin 350 disposed at the top. When returning to the stapler 701, the fence release plate 454 on the side of the stapler 701 comes into contact with the fence movable plate 452 from below. In this case, the fence movable plate 452 is
As shown in FIG. 3, the escape rotation is performed upward in the idling state, and thus the bin fluence 450 is not rotated at all. By the rising operation of the stapler 701, the fence release plate 454 on the stapler 701 side is moved to the fence movable plate 453.
When it is separated from the side, the fence movable plate 453 is returned to the original position shown in FIG. 51 by its own weight.

FIG. 54 is a front view showing another embodiment of the paper alignment mechanism, in which an elastic body 455 for receiving a fence movable plate 453 is provided on the bin fence 450 side. In such an embodiment, when the stapler 701 returns, the fluence movable plate 4
When the flap 53 is rotated upward in the idling state, the fence movable plate 453 is brought into contact with the elastic body 455 and received by the elastic body 455. Is returned to the original position.

FIG. 55 is a perspective view showing another embodiment of the bin fence 450, FIG. 56 is a plan view of the embodiment of FIG. 55, FIG. 57 is a perspective view of an operation state of the embodiment, and FIG. FIG. 55 is a plan view showing the operation state of the example. In FIGS. 55 and 56, the fence 460 is pressed against each bin 350 so that the paper alignment of all the bins 350 is performed by a single plate. The fence 460 is a rotating viewpoint 4 at the upper and lower ends.
It is rotatably mounted at 60a and 460b. The rotation support viewpoint 460b has a gear 460c, and the gear 460c has a gear 460c.
The gear 461 is engaged, and the gear is driven by a drive motor 462.

When aligning the copy paper, the fence 460 aligns the paper facing the bin 350 as shown in FIGS. When all sorts are completed and staples are performed, Fuens 450 is set to 5th.
As shown in Fig. 7,58, rotate about 90 °, separate from bin 350,
The copy paper P can be moved to the staple position.

FIG. 59 is a block diagram of a control system according to the present embodiment.
This is a micro computer control system including a RAM 802, I / O ports 803 and 806, a clock timer controller 804 (hereinafter abbreviated as CTC), and a universal asynchronous receiver transceiver 805 (hereinafter abbreviated as UART).

While using the RAM 802 as needed by the ROM 801 in which the program is written, a signal from a sensor switch (SW) group described later is received via the I / O port 806, and various drivers 808, 809, 810, 811, 812, Each of the loads described later is controlled via the signal generation unit 813 and the SSR 807. Also, the copier is connected via receiver 814 and driver 815.
By UART805, connect with optical fiber (not shown)
Each status and instruction signal are exchanged.

Specific members of the sensor and switch group (input system) include an entrance sensor 326, a paper ejection sensor 121, a bin sensor 321,
323, entry sensor 322,324, pulse generator 32
5, cover SW, DIPSW, size home sensor 501, vertical home sensor 729, vertical position sensor 727, check home sensor 650, paper presence sensor 675, staple home sensor, and the like.

The load (output system) includes sorter motor (AC motor) 313, switching SOL107, deflection SOL group, check SOL626, shift SOL340, proof motor (DC motor) 117, staple motor (DC motor), size moving motor (stepping). Motor) 515, a vertical movement motor (stepping motor) 720, a check motor (stepping motor) 646, and the like.

Among the signals exchanged with the copier, the signals sent from the copier to the sorter stapler 700 include a sorter start signal, a copier discharge signal, a staple start signal, a staple end signal, a system reset signal, and a service. There are a call reset signal (SC reset), a status request signal, a mode signal, a size signal, a discharge bin instruction signal, and the like.
Model recognition signal, tray paper signal, stackover signal, binover signal, cover open signal, stapleless signal, JAM signal, staple disable signal, paper discharge signal, WAIT signal, BUSY signal, mode end signal, staple count signal And abnormal signals.

Hereinafter, the operation and control of the embodiment of the present invention will be described according to a flowchart.

FIG. 60 is a flow chart of the overall operation of this embodiment. First, a mode signal sent from the copying machine is received (step 1-1), and after starting copying, a size signal is received (step 1-2). Then, a sorter start signal is received (step 1-3). With this reception, the sorter motor (at the time of sorting or stacking) or the proof motor (at the time of proofing or interrupting) is turned on based on the mode signal.

First, the proof mode (steps 1-4) will be described. After the proof motor 117 shown in FIG. 1 is turned on (step 1-5), the switching SOL 107 shown in FIG. 3 is turned on (step 1-6), and when the paper discharge signal is received (step 1-5).
7) The copy paper carried in from the entrance guide 102 (step 1-8) is discharged to the upper proof tray 116 (step 1-9). After the copy sheet is discharged, a discharge signal is transmitted to the copying machine (step 1-10) to notify that the copy sheet has been discharged. Less than. This operation is repeated until the copying is completed (step 1-11). At this time, the jam detection of the copy paper (not described in the flowchart) is naturally performed. After copying, switch SOL107,
The proof motor 117 is turned off (step 1-12), and waits until the next copy operation.

 Next, the sort and stack modes will be described.

After turning on the sorter motor 313 of FIG. 1 (step 1)
−13), judge whether swing is possible or not based on the size signal, etc.
If the swing is possible (step 1-14), the swing shaft 502 in FIG. 13 is moved to a position corresponding to the received size signal (step 1-15). When the copy paper is discharged from the next copying machine, a copy destination bin instruction signal and a discharge signal of the discharged copy paper are transmitted from the copying machine (step 1-1).
6). The destination bin 350 is determined by receiving the discharge signal (step 1-17). Next, copy paper is carried in from the copying machine (step 1-18). After carrying in, the entrance sensor 326 is turned on, and the deflection solenoid (SOL) determined by the discharge destination bin instruction signal is turned on at a timing from the turning on of the entrance sensor 326 (step 1-1).
9) Guide the copy paper to bin 350. When the copy paper is discharged (step 1-20), a paper discharge signal is transmitted to the copying machine (step 1-21) to notify the copying machine that the paper has been reliably discharged onto the bin 350. Based on this signal, the copying machine determines the next discharge destination and the discharge destination after the recovery of the jam.
After an appropriate time elapses until the copy paper is discharged and is placed on the bin 350 and the operation of the copy paper is settled (for example, after 300 ms;
Step 1-22), by turning on the size movement motor 515 in FIG. 13 and moving the swing shaft 502 (step 1-2).
3) Align the paper vertically (horizontally) with respect to the discharge direction. The timing of moving the swing shaft 502 is based on the detection of the trailing end of the copy paper by the entry sensors 322 and 324 and the reference thereof (step 1-24).

After the swing operation is completed, the copy paper is curled,
There are copy papers that rarely reach the end of the bottle 350 or the bin fluence 450 due to the surface being scratched or broken, or having a large amount of static electricity. Work to force it to the end.

For this reason, at the same time as the swing shaft 502 moves,
Is turned on (step 1-25), and the rotating approach roller 333 contacts the upper surface of the paper, suppressing the curl and forcibly approaching the edge (constant time = 200 ms; step 1-26). This approach roller 333 is provided for each bin 350,
Everything goes down at once by SOL340. After finishing this operation,
SOL340 is turned off (step 1-27).

The above operation is performed for each copy output, and the paper alignment (sort, sort,
(Stack) is performed (Step 1-28). When sorting (stacking) is completed in this way, the sorter motor 313 is turned off (step 1-29), and the stapling operation is performed. When the staple start signal is received (step 1-30), the stapler 700 operates (step 1-3).
1), stapling on the stacked copy paper. When the stale operation is completed (Step 1-32), the stapler 700 and the swing shaft 502 move to the home position (Step 1-33).

FIG. 61 is a flowchart for explaining the paper alignment operation, and FIG.
FIGS. 6A to 6D are explanatory views showing the operation of the swing shaft. The swing shaft 502 is positioned at the position based on the size signal as described above (in this embodiment, the swing of the discharge of the copy paper is performed). (At a position about 10 mm from the end surface on the side of the shaft 502). This may be any position as long as the discharged copy paper P hits the swinging shaft so as not to cause a jam or paper breakage (FIG. 62 (a)). After the copy paper is ejected and about 300 ms later, the paper is aligned by swinging operation.

First, size movement motor 515 (stepping motor)
The phase signal is output from the I / O port 803 by the number of pulses corresponding to about 15 mm in the CCW direction so that the swing shaft 502 approaches the paper of about 25 mm, and is driven by the constant voltage driver 811 so that the swing shaft 502 is It is moved [Step 2-1; FIG. 62 (b)].
The speed at this time is about 500 pps, and any speed may be used as long as the copy paper P does not cause any trouble such as wrinkles, scratches or breakage. The copy paper P discharged onto the bin 350 by this operation is pressed against the bin fluence 450 by an excessive amount of about 5 mm. This excessive pressing is performed on copy paper P
This is for achieving variation in length and reliable alignment, and an appropriate value may be used instead of 5 mm.

After the copy paper P is pressed, it is stopped once (50 ms in this embodiment; step 2-2). This is for calm copy paper P and for switching the forward / reverse rotation of the size movement motor 515, and is not particularly necessary and does not have to wait.

Thereafter, the swinging shaft 502 is moved away from the 5 mm paper, that is, moved in the CW direction by the number of pulses corresponding to 5 mm [Step 2-3; FIG. 62 (c)]. The speed at this time is about 300p
ps, which is slower than the speed at which the copy paper P is returned due to over-adjustment, so long as the alignment is not disturbed by the return of the copy paper P due to stiffness. Also 5mm
By returning and stopping, the swing shaft 502 plays the role of the opposite bin fluence at the position corresponding to the paper width, and
By stopping for 0 ms (step 2-4), the copy sheets P are surely aligned. After that, the swing shaft 502
Aligns with the discharge of the next copy sheet, returns to the initial position (step 2-5; FIG. 61 (d)), and stops (step 2-5).
6). The speed at this time may be any speed as long as the speed is sufficient to discharge the next copy sheet. Note that when the paper alignment is poor (curl-sized paper), all or part of this swinging operation may be performed a plurality of times on one copy sheet.

By the way, after the number of stacks of copy paper in the bin 350 exceeds the number of staples (30 in this embodiment),
Prohibiting stapling of the discharged copy paper, stopping the swing that hinders sorting, and setting the swing shaft 50
2 has been evacuated to the home position.

Hereinafter, this operation will be described with reference to the flowchart of FIG.

The number of copy paper sheets loaded on the bin 350 is detected (Step 3-2) by counting when the copy paper is discharged to the first bin (Step 3-1). When it is determined that the discharge count value of the leading bin has exceeded the number of sheets that can be stapled (Step 3-3), the swinging shaft and the swinging shaft 305 are home-positioned centering on the swinging operation and the shifting roller operation (Step 3-4). (Step 3-5), and thereafter, no paper alignment is performed on the discharged copy paper. At the same time, stapling is also prohibited (step 3-6) for the copy paper ejected before.

The stapling operation will be described with reference to the flowcharts of FIGS. 64 (a) to 64 (i). After the sorting, if a copy sheet is placed on the bin, the copying machine transmits a stale start signal, receives this signal, and sets the sequence counter to 0 (step 4-1) to start the operation. . First, the stapler device at Home Position
700 is moved to the first bin for stapling (step 4-2). After the stapler 700 moves to the first bin, the operation proceeds based on the value of the staple operation sequence counter described in FIG. 64 (a). When the stapler 700 has finished moving to the first bin, the value of the staple sequence counter is set from 0 to 1 (step 4-3).

When the value of the staple sequence counter is 1 (step 4-4), as shown in FIG. 64 (b), the check motor (stepping motor) 646 is turned on (step 4-4).
5) The check section 620 in FIG. 45 is advanced. Since the movement amount is a stepping motor, it is determined by the number of pulses corresponding to the movement amount (step 4-6). The movement amount at this time is an amount from the home position of the check unit 620 (the position where the check home sensor 650 is turned on) to the time when the copy paper bundle on the bin 350 can be checked. Check part 620
Is completed (step 4-7), 2 is set to the staple sequence counter (step 4-8),
Proceed to the next operation.

When the value of the staple sequence counter is 2, the 64th
As shown in FIG. 3C, the check SOL 626 is turned on (step 4-9), thereby checking the copy sheet bundle. Then, 3 is set to the staple sequence counter (step 4-10), and the operation proceeds to the next step.

When the value of the staple sequence counter is 3, the 64th
Start the timer as shown in FIG.
-11) Hold the state for 0.2 seconds, and after 0.2 seconds elapses (Step 4)
-12), the timer is stopped (step 4-13), 4 is set in the staple sequence counter (step 4-14), and the operation proceeds. This will cause
The response time of SOL626 can be absorbed and the copy paper bundle can be reliably chucked.

When the value of the staple sequence counter is 4, as shown in FIG. 64 (e), the check motor 646 is turned on (step 4-15), and the check unit 620 is moved to the home position. The check home sensor 650 for detecting the end of the home movement of the check unit 620 is turned on (step 4-16),
The home position movement of the check unit 620 is completed, and the check motor 646 is stopped (step 4-17). Then, 5 is set to the staple sequence counter (step 4-18), and the operation proceeds to the next step. At this time, the check motor 64
At the speed of 6, the uniform acceleration motion is performed so that the checkered copy paper bundle does not shift. In the present embodiment, the processing is started from 600 pps, and is slowed up to 2000 pps.

If the staple sequence counter value is 5, the 64th
As shown in FIG. 48 (f), the output of the paper presence / absence sensor 675 in FIG. 48 is confirmed (step 4-19), and if there is paper, the stapling motor is turned on (step 4-20) to bind the copy paper bundle. Perform the operation. The completion of the binding operation is detected by the staple home sensor (step 4-21), the staple operation is completed (step 4-22), 6 is set to the staple sequence counter (step 4-23), and the next operation is advanced.
When the output of the paper presence sensor 675 indicates that there is no paper, the stapling operation is not performed and the check SOL 626 is turned off (step 4-24), and the staple sequence counter is set to 8 (step 4-25). Move on to operation.

When the value of the stapling sequence counter is 6 (step 4-26), the chuck motor 646 is advanced again to return the stapled copy sheet bundle to the bin 350 as shown in FIG. 64 (g) (step 4-26). 27). After sending the set pulse (step 4-28), the check motor 646
(Step 4-29), turn off the check SOL626 (Step 4-30), and check the arm of the copy paper bundle.
Release 622,624. Thereafter, the timer is started (step 4-31), and after checking the response time of check SOL626 0.2 seconds (step 4-32), the timer is stopped (step 4-33), and the staple sequence counter is set to 7 (step 4-31). -34), and proceed to the next operation.

When the value of the staple sequence counter is 7, the 64th
As shown in FIG. 11H, the user moves the check unit 620 to such an extent that the check unit 620 does not hit the bin 350 to move to the lower bin. As a result, the time from the check per bin to the end of stapling can be shortened, and the system productivity increases. That is, the check motor 646 is started (step 4-3).
5), move backward by the set pulse (Step 4-36),
After the backward movement, the check motor 646 is stopped (step 4-37). Thereafter, the staple sequence counter is set to 8 (step 4-38).

When the stapling is completed, that is, when the staple sequence counter is 8, the vertical movement motor 720 is turned on as shown in FIG. 64 (i) (step 4-39), and the stapler device 7 is turned on.
Increase 00. Then, when the vertical home sensor 729 is turned on (Step 4-40), the vertical moving motor 720 is turned off (Step 4-41). Thereafter, the staple sequence counter is set to 0 (step 4-42).

The above-described operations of the staple sequence counters 0 to 8 are performed until the staple ends. Thereafter, the size moving motor 515 is turned on, and when the size home sensor 501 is turned on, the size moving motor 515 is turned off. The home movement of the stapling apparatus 700 and the movement of the swing shaft 502 may be simultaneous or the order may be reversed. Further, the swing shaft 502 may be moved when all the paper bundles on the bin are removed, that is, when the bin sensors 321 and 323 are turned off.

Next, a description will be given of the function of the vertical up / down slowdown. This function gradually increases the movement speed at the start of vertical movement, moves at a constant speed when the set value is reached, and when the vertical movement stops, gradually reduces the movement speed from just before the bin position to stop, and Is reached at a constant speed and stopped at the stop bin position. As a result, the effective use of the torque of the vertical movement motor 720 and the stop position accuracy can be ensured.

FIG. 65 is a flow chart for explaining the slow-up / slow-down. In the subroutine called every 1 mSEC, after the vertical movement motor 720 is turned on (step 5-1), the slow-up operation is not completed (step 5-1). 5-2), the slow-up counter increments by one for each subroutine call (step 5-3).
The speed data is set in the CTC 804 from the speed data group in the ROM 801 set so that the speed gradually increases based on the value of the slow up counter (step 5-4) (step 5-5). A frequency based on the set speed data is generated from the CTC 804 and sent to the phase signal generation unit 813 in FIG. 59. The phase signal is sent from the phase signal generation unit 813 to the constant current driver 812, and the up / down moving motor 720 operates at the rotation speed corresponding to the speed data.

When the slow-up counter reaches a set value (step 5-6), the slow-up is terminated (step 5-7), and the vertical movement motor 720 operates at a constant rotation speed thereafter.

After a certain time, the slowdown operation starts (step 5).
-8) The slowdown counter increments by one for each subroutine call (step 5-9). Based on the value of the slowdown counter, the speed data is set in the CTC 804 from the speed data group in the ROM 801 set so that the speed gradually decreases (step 5-10) (step 5-11). From this CTC 804, a frequency based on the set speed data is generated and sent to the phase signal generation unit 813. The phase signal is sent from the phase signal generation unit 813 to the constant current driver 812, and the up / down moving motor 720 operates at the rotation speed corresponding to the speed data.

When the slowdown counter reaches a certain set value (step 5-12), the slowdown ends (step 5-13), and the vertical movement motor 720 operates at a constant rotation speed thereafter. When the stapler reaches the bin to be stopped, the vertical movement motor 720 is turned off and stopped, and the slow up counter and the slow down counter are cleared (step 5-14). Incidentally, the chuck motor 646 also performs slow up and down in the same manner.

〔The invention's effect〕

As described above, according to the present invention, it is possible to provide a sheet skew conveying apparatus capable of reliably performing sheet skew conveyance with a relatively simple configuration.

Further, according to the present invention, the conveying force by the oblique portion receiving roller
The F ₁ is larger than the conveying force F ² due to the oblique roller, the conveying force a conveying force F ₃ by HasuMuko unit discharge roller by the diagonal roller
Since the equivalent to F _2, the rear end of the sheet HasuMuko is started from the leaves the HasuMuko unit receiving roller, it is possible to maintain the timing of HasuMuko constant, it is possible to HasuMuko reliably Paper In addition, it is possible to provide a margin for the transfer distance in the oblique direction.

[Brief description of the drawings]

FIG. 1 is a front view of an embodiment of a sheet oblique conveyance device according to the present invention, FIG. 2 is a plan view of the embodiment, FIG. 3 is a front view of an upper conveyance section, and FIG. FIG. 4 (b) is a plan view of a guide plate portion of the upper transport section, FIG. 5 is an explanatory view of a drive system of the upper transport section, and FIG. 6 is another embodiment of the upper transport section. FIG. 7 is a side view of the oblique roller portion, FIG.
FIG. 9 is an enlarged sectional view of a driven ball portion, FIG. 9 is an explanatory view of a drive system of an oblique portion, FIG. 10 is an enlarged front view of a drive transmission portion, and FIG.
FIG. 12 is an explanatory view showing oblique movement, FIG. 12 is a partial cross-sectional view of a reference guide portion, FIG. 13 is a perspective view of a swing device, and FIG. 14 is a plan view showing a relationship between the swing device and a bin. , FIG. 15 is a side view of the swinging device, FIGS. 16 and 17 are plan views for explaining the relationship between the bin and the copy paper, and FIG. 18 is an explanatory view showing the action of the copy paper and the swing shaft. FIG. 19 is an explanatory view showing a state when the bottle is mounted,
FIG. 20 is an explanatory diagram showing buckling of copy paper, FIGS. 21 and 22 are explanatory diagrams for explaining the difference in the stacking situation, FIG. 23 is a front view of the bin, and FIG. 24 is a plan view of the bin. Fig. 25, 26
The figure is an explanatory diagram for explaining the difference in curl holding, 27th
The figure shows a side view of the bottle, FIGS. 28 and 29 show a cross-sectional view of a part of the rib, FIG. 30 shows a side view of a part of the bottle, and FIG. 31 shows the positional relationship between the discharge rollers and the rising portion. FIG. 32 is an explanatory view for explaining the lifting of the rear end, FIG. 33 is a front view of the approaching roller device, FIG. 34 is a plan view of the approaching roller device, and FIG. 35 is copy paper and the approaching roller. FIG. 36 is a front view showing the installation state of the approach roller, FIG. 37 is an explanatory view for explaining the approach of copy paper by the approach roller, and FIGS. 38 and 39.
FIG. 40 is a front view showing another embodiment of the approach roller, and FIG.
FIG. 42 is a perspective view of the stapler device, FIG. 42 is a plan view of the stapler device, FIG. 43 is a front view of a bearing portion, FIG. 44 is an explanatory diagram for explaining the operation of the stapler device, and FIG. FIGS. 46, 47 and 48 are front views of the operating state of the paper pulling device, and FIGS. 49 and 50 are diagrams for explaining the movement of the copy paper on the bin. FIG. 51 is a front view of the paper alignment mechanism, FIG. 52 and FIG. 53 are front views of the operating state of the paper alignment mechanism, FIG. 54 is a front view showing another embodiment of the paper alignment mechanism, FIG. 55 is a perspective view showing another embodiment of the bin fence, FIG. 56 is a plan view of the embodiment of FIG. 55, FIG. 57 is a perspective view of the operation state of the embodiment of FIG. 55, and FIG. FIG. 55 is a plan view of the operating state of the embodiment of FIG. 55, FIG. 59 is a block diagram of the control system, FIG. 60 is a flowchart of the overall operation of this embodiment, and FIG.
FIG. 61 is a flow chart of the paper aligning operation, FIG. 62 is an explanatory view showing the operation of the swing shaft, FIG. 63 is a flowchart of the retracting operation of the swing shaft, FIG. 64 is a flow chart of the staple operation,
FIG. 65 is a flowchart of the slow-up / slow-down operation. 200: Oblique section, 201: Oblique section receiving roller, 202: Oblique section, 203: Oblique section discharge roller, 206, 210: Timing pulley, 208: Idler, 208a ...
b ... Timing pulley part, 209 ... helical gear, 213 ...
…Timing belt.

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁶ , DB name) B65H 9/00-9/20

Claims (2)

(57) [Claims] An oblique roller for conveying a sheet obliquely;
In the sheet oblique conveyance device having the oblique portion receiving roller and the oblique portion discharge roller, the timing set between the driving pulley for driving the oblique portion receiving roller and the driving pulley for driving the oblique portion discharge roller A sheet comprising: a belt; a helical gear for driving the oblique rollers obliquely; and an idler having a helical gear portion meshing with the helical gear and a timing pulley portion engaging with the timing belt. Slant transfer device. 2. The method of claim 1, wherein the conveying force F ₁ by the HasuMuko unit receiving roller is larger than the conveying force F ₂ by the oblique rollers, wherein the conveying force F ₃ by the HasuMuko unit discharge roller paper oblique conveying device being characterized in that the equivalent conveying force F ₂ by diagonal roller.