JPH0811397B2 - Recording paper processing device - Google Patents

Description

The present invention relates to a recording paper processing device suitable for use in combination with a recording device such as a copying device.

(Background of the Invention) Recently, recording devices such as printers and facsimiles are widely used in various fields in addition to conventional copying machines. Among them, copying machines tend to be faster and have more functions.

On the other hand, when making materials for conferences or materials for distribution using materials recorded by a recording device such as a copying machine, it is necessary to align, fold down, punch, or bind the materials after recording. It is considered to improve the efficiency of the total copy work by automating the processing of the above, and it has a sorter for sorting the copy, an automatic punching device, an automatic paper dropping machine, an automatic collating machine, or a combination function thereof. A processing device has been proposed (for example, JP-A-61-94180, JP-A-61-84662, Electrophotographic Society of Japan, Vol. 24, No. 3 (1985), pages 188 to 194).

By the way, a series of recorded materials is usually stapled,
Although it is often used or stored as a file, it has not been proposed in the past to process a recorded matter by punching holes with a stapler and binding with a stapler at the same time.

In view of this, the inventors of the present invention have disclosed in Japanese Patent Application No. 62-12201 that an intermediate holding unit holds a set of recording papers supplied one by one from the outside in the order of supply, and a set held by the intermediate holding unit. A processing unit that selectively punches or binds the recording paper at the holding position, a storage unit that stores the processed recording paper, and a first unit that conveys the unprocessed recording paper to the intermediate holding unit. There has been proposed a recording paper processing device comprising a conveying means and a second conveying means for conveying the processed recording paper to the storage section. When this processing device is used in combination with a recording device such as an electrophotographic copying device, a set of recorded products is automatically punched or bound, which is convenient for making conference materials and distribution materials. .

By the way, a punching machine used for punching recording paper in a processing apparatus of this kind converts the rotational movement of a motor, which is a drive source, into a reciprocating movement by a crank mechanism, and the movement of a rocking piece coupled to the crank mechanism is combined with a coupling pin. Although it is transmitted to the punch pin via the pin, the force that acts on the connecting pin during punching is extremely large for a short time, so the pin requires high mechanical strength, and the pin is necessarily made of a material with high rigidity. And tend to be fat. In addition, it is necessary that the connecting portion between the clamp mechanism and the punch pin has a strong and highly rigid structure.

However, since the punch pin consumes a blade portion and needs to be replaced occasionally, the above-described pin and connecting portion are difficult to replace.

(Object and Structure of the Invention) In the recording paper processing apparatus for automating the punching work of the recording paper, the inventors of the present invention press down the punch pin during punching work and push down the punch pin and pull up the punch pin after punching. Focusing on the fact that there is a markedly large difference with the pulling force of the punch machine, the purpose is to make the punch force transmission part to the punch pin of the punch machine a simple structure and to facilitate the exchange of the punch pin. In order to achieve the above, in a transmission mechanism that transmits a punching force from a motor that is a driving source of a punching machine to a punch pin through a crank member and a swinging piece, one end of the swinging piece and one end of the punching pin have an arc section. The surfaces are slidably contacted with each other, and the swinging piece and one end of the punch pin are loosely coupled with the pin.

(Example) The present invention will be described below with reference to the drawings.

The processing device illustrated below is a copying paper processing device used in combination with a copying device. As shown schematically in FIG. 1, the copying paper processing device 1 is connected to the copying device 2 at a position indicated by a broken line E. used.

Prior to the description of the copy sheet processing apparatus 1 which is the object of the present invention, the copying apparatus 2 will be briefly described.

A copy sheet processing apparatus to which the present invention can be applied is a copy original consisting of a plurality of sheets (for example, 5 pages from the first page to the fifth page of a book).
Since it is for copying at least one copy to obtain a copy, and punching or binding it, the copying apparatus has a function of sequentially and repeatedly copying a plurality of copy originals. It is necessary to use a circulating automatic document feeder (hereinafter referred to as RDF device) as a device for that.

As can be seen from FIG. 1, the copying apparatus 2 is equipped with an RDF apparatus 3 on the upper part, and is configured to copy the originals fed one by one by the RDF apparatus 3 by a normal electrophotographic process. . The general structure and function of the copying machine 2 and the RDF machine 3 are already known and will be described briefly.

The RDF device 3 is a glass plate 1 provided on the upper surface of the copying device 2.
0, and as shown in FIG.
A plurality of originals G to be copied are faced up and placed in the order of the first page, the second page, ... Manuscript G
The document placement sensor RS indicates that the document was placed on the document placement plate 11.
Detected by ₁ . When the copy button provided on the operation panel of the copying apparatus 2 is pressed here, the rear end regulating plate 12 of the RDF apparatus 3 advances and the entire document G is pushed forward (to the right in the figure) and on the front passage. Gate 13 at is raised. And the document G passes through the gate 13 original leading edge detecting sensor RS ₂ when the leading edge of the document is detected trailing end regulating plate 12 is stopped by at that somewhat progressed, the gate 13 is lowered and the rear end regulating plate 12 is retracted .

Here, when the document feeding signal is output from the copying apparatus 2 at a predetermined timing, the half-moon shaped feeding roller 14 rotates once and the double feeding preventing roller 15 also rotates to feed only the lowest document. Be done. Guide plate 16
The sheet moves forward on the glass plate 10 of the copying machine 2 at a predetermined speed by being fed by the feed roller 17, detected by the timing sensor RS ₃ and detected by the conveyance belt 18. An optical system 19 including a lamp for irradiating a document and a reflection mirror is provided under the glass plate 10, and the document is exposed while being moved by the optical system 19. When the document leading edge detection signal from the timing sensor RS ₃ is sent to the copying machine 2, the feeding of the transfer paper is started in the copying machine 2. The exposed document is detected by the paper discharge sensor RS ₄ , is transported by the other transport belt 20, and is placed on the remaining document placed on the document placing plate 11. The final discharge of the document is detected by the circulation discharge sensor RS ₅ . The jam during the feeding of the document can be known by the detection timings of the timing sensor RS ₃ and the paper discharge sensor RS ₄ .

It sends out the second document starts when the trailing edge of the first document is detected by the timing sensor RS _3.

Similarly, when the exposure of the third, fourth, ..., All the originals by the optical system of the copying apparatus is completed, the original tip detection sensor RS ₂ confirms that the number of originals is 0, and thus the copy 1 part The feeding of the original is completed.

When making a plurality of copies (for example, 5 copies) of the same copy, automatic feeding is sequentially performed from the last page of the original again, and exposure is sequentially performed up to one page. This document feeding operation is repeated for the required number of copies.

In synchronization with the above operation of the RDF device 3, the following electrophotographic process is performed in the copying device 2.

When a document passing through the glass plate 10 of the copying apparatus 2 at a constant speed is exposed by the optical system 19, the reflected light from the document is projected onto the photoconductor 23 via the mirror 20, the lens 21, and the mirror 22. . Since the surface of the photoconductor 23 is uniformly charged by the charging device 24, an electrostatic latent image is formed when the reflected light from the document is projected. The electrostatic latent image is developed into a visible image by the developing device 25, and is transferred onto the transfer paper P fed from one of the paper feed sets 26 and 27 in synchronization with the automatic document feeding operation. Transferred by 28.

The transfer paper on which the visible image is transferred is separated by the separating device
The sheet is separated from the sheet 23, is conveyed by a conveying belt 29, is fixed by a fixing device 30, and is discharged from the device by a sheet discharging roller 31. Reference numeral 32 denotes a cleaning device for removing toner remaining on the surface of the photoconductor 23 after the transfer paper is separated.

As the copying apparatus, the simplest type for performing single-sided copying from a single-sided original has been illustrated, but the recording paper processing apparatus of the present invention is not limited to this type of copying apparatus, and a single-sided original to double-sided copying or a double-sided original to single-sided copying. It is of course possible to use it in combination with a copying machine of a type that performs copying or double-sided copying. In order to perform these types of copying, it is necessary to invert the original or the transfer paper, and the copying apparatus 2 or RD
The F device 3 needs mechanisms for that purpose, but these mechanisms are already known and are not the gist of the present invention, and therefore description thereof is omitted here.

As shown in FIG. 1, the copy sheet processing apparatus 1 according to the present invention does not punch or bind the copy F that is copied by the copying apparatus 2 and is discharged from the copying apparatus 2, and the discharge tray 40 is used as it is. To the intermediate tray 43 called the stacker by switching the path switching gate 42 for punching and binding, and the transport roller 41 which is stored in the stacker 43. Copy F
It is composed of a processing unit 45 for punching holes and binding them together, and transport rollers 47, 48 for transporting the copy F processed by punching and binding to the final storage tray 46.

The processing unit 45 is composed of one punching machine and two binding machines (so-called stapler) arranged on both sides of the punching machine, and the processing unit 45 is independent of the apparatus (in FIG. 1). It can be pulled out vertically to the paper surface). This is for facilitating the disposal of punch residue generated as a result of the punching process by the punch machine, the loading or replenishment of the stapler (so-called stapler needle) of the stapler, or the removal of the stapled stapler.

The storage tray 46 is an elevating type in which the table on which the processed copy F is placed moves up and down, and the elevating table 46a is lifted by the tray lifting motor M ₁₁ (see FIG. 10). There is. When the copy F placed on the lift table 46a exceeds a predetermined upper limit position, it is detected by the tray upper limit sensor PS ₁₄ , and when it reaches a predetermined lower limit position, it is detected by the tray lower limit sensor PS ₁₅ . Elevating platform 46a is raised and lowered by a tray lifting motor M _11, so that the brakes are applied by the solenoid SD ₂ As elevator platform 46a is not lowered by the weight of the copies F riding on the elevator platform 46a.

Next, the structure of a copy sheet processing apparatus that employs the processing unit according to the present invention will be described in detail.

FIG. 3 shows a perspective view of a main part of the copy sheet processing apparatus. The rollers 41a, 41b, 41c and 41d constitute a carrying roller 41 together with other rollers not shown, and a path switching gate 42.
Is driven by a solenoid SD _1, it takes a first position for transporting the copy of the sheet ejection tray 40 when the solenoid SD ₁ is not energized, a second for transporting the copy of the stacker 43 when the solenoid SD ₁ is excited Take the position. The rollers 44a and 44b form a conveyance roller 44.

The stacker 43 includes an inclined plate 43a and a pair of side plates slidably provided on the upper surface of the inclined plate 43a so that the distance between them can be adjusted.
43b ₁ and 43b ₂ and a stopper 43c for stopping the copy paper, which is provided directly below the inclined plate 43a so as to be able to move forward and backward.

The inclined plate 43a has a plurality of openings 431a, 431b, 431c formed near the front end as shown in FIG. 4 (however, FIG. 4 shows the inclined plate as viewed from the back side), and near the central portion. Two slots 432a and 432b are formed so as to extend laterally, and a hole 433 for blowing air is formed near the rear part.

The back side of the inclined plate 43a is the motor M ₄ is attached by the support plate 434, a gear 435 is fixed to the rotation shaft of the motor (plate gap adjustment motor) M _4. On the other hand, two sliding members 436a and 436b each having a gear on one side are meshed with each other and arranged in parallel with the gear 435, and each sliding member is provided with metal fittings 437 and 438, and the front side plate 43b ₁ of the inclined plate 43a, 43b ₂ and each sliding member has a longitudinally extending ridge formed on the front side of each sliding member.
Loosely engaged with b. Near the end of one slot 432a, the reference position (home position) of the side plates 43b ₁ and 43b ₂
An optical sensor for detecting (side plate home position sensor) PS ₄ is provided so as to detect the home position by detecting the light shielding by the rising piece 437a of the bracket 437 a. This if such a construction the side plate spacing adjusting motor M ₄ is moved forward or reverse to the sliding member 436a accordingly, 436b by a predetermined length by the solid arrow or dashed arrow direction by a predetermined amount, so that the side plates 43 b ₁ And 43b ₂ increase or decrease the side plate spacing apart from each other.

Further, as shown in FIG. 3, a motor M ₈ for driving a blower fan and a duct 439 are attached near the blower hole 433 on the back side of the inclined plate 43a.

 Next, the stopper 43c will be described.

As shown in FIG. 5, the stopper 43c includes a plurality of protrusions 440 extending forward in the shape of a finger, two protrusions 441 whose tips are bent upward to form an upright piece 441a, and a wide protrusion 442 at the center.
And a pin 444 extending to both left and right sides of the plate member 443. The pins 444 are engaged with grooves 445a provided on the side surface of a resin guide 445 (only the left guide is shown) fixedly provided on the frame of the device on the left and right sides of the plate member 443. . A drive rod 446 extending rearward is attached to the central portion of the plate member 443, and a tooth 446a formed on one side in the longitudinal direction of the drive rod 446 meshes with the pinion 447. The pinion 447 is normally or reversely rotated by a motor (stopper drive motor) M ₇ , and accordingly, the drive rod 446 is guided by the roller 448 and the guide rod 449 and linearly moves in the direction of the arrow. 444 is guided by the groove 445a of the guide 445 and moves forward and backward in the direction of the white arrow.

In the stopper 43c, the projecting pieces 440, 441, 442 of the plate member 443 are located at the positions corresponding to the openings 431a, 431b, 431c of the inclined plate 43a, and when the plate member 443 advances, the openings 431a to 431c.
It is arranged in such a positional relationship that it sticks out above the inclined plate 43a. At the forward position of the plate member 443, two protrusions 441 out of the plurality of protrusions are inserted into the inclined plate 4 from the opening 431b.
The upright piece 441a protruding above the 3a has a stopper function of stopping the copy, which slides down on the inclined plate 43a, at a predetermined position.

As shown in FIG. 3, the processing unit 45 includes a punching machine and two binding devices (staplers) on both sides of the punching machine in a frame 45b which can be pulled out by a guide rail 45a (in the direction indicated by a white arrow in the drawing). Fig. 6 shows the essential parts.

As can be seen from FIG. 6, the punching machine 50 is fixed to the central portion of the frame 45b, and two binding stoppers are movably provided on both sides of the punching machine 50, but only one of them is shown in the drawing.
Is shown removed from the frame 45b.

The punching machine 50 includes a worm gear 51 that can be reciprocally rotated by a motor (punch drive motor) M _6, a gear 53 that is supported by a holder 52 and rotates by meshing with the worm gear 51, and a rotation shaft on both sides of the gear 53. It has two crank members 54a, 54b fixed in a positional relationship shifted by an angle, and swing pieces 55a, 55b rotatably coupled to the crank members 54a, 54b, respectively. The punch guides 56a and 56b extending from the lower end of 55b are integrated with the holder 52 in the pin guide 5
2a, 52b, the worm gear 51, by the rotation of the motor M ₆
It is a part of the holder 52 by vertically moving the punch pins 56a, 56b through the gear 53, the crank members 54a, 54b, and the swing pieces 55a, 55b, and inserting / removing the punch pins 56a, 56b into / from the dies 55e, 55f integrated with the horizontal base 55c. A piece of paper on a horizontal table 55c (copies of multiple rice)
To punch. The punch pins 56a, 56b are slightly lower than the uppermost position, and both pin tips have the pin guides 52a, 52b.
It is also designed to fit inside 52b, so the punched piece of paper will surely come out of the pin. The punch residue is stored in a case detachably attached to the lower side of the horizontal base 55c.

FIG. 7 shows the movement of the punch force transmission mechanism to the punch pin. (A) is before punching, (b) is during punching,
(C) shows a state after punching, and (D) is a front view of the mechanism. In the figure, the same reference numerals as those in FIG. 6 indicate the same components, and the crank member is rotated integrally with the gear 53.
Swing piece loosely and rotatably connected to 54b by pin 50a
The lower end surface of 55b is an arc surface having a radius R ₁ centered on the virtual point A.

On the other hand, the lower end surface of the rocking piece 55b is in smooth surface contact with a sliding member 55g of a low friction material (such as polyacetal) which forms a substantially circular arc surface having a radius R ₂ with the virtual point B as the center. As can be seen from Fig. 7 (d), thin plates 56c and 56d are screwed to both front and back surfaces of the swinging piece 55b, and loosely fixed with a pin 55h near the virtual point B of the sliding member 55g near the lower end of the thin plate. ing. A simple split pin or the like is used for the pin 55h. Here, it suffices that there is a relationship of R ₂ ≦ R ₁ between R ₂ and R ₁ .

On the other hand, in the frame 45b of the processing unit 45, two sliding members 5 having teeth formed on the side edges in the longitudinal direction facing each other.
7, 58 are provided in parallel, a gear (not shown) that meshes with the teeth of the sliding members 57, 58 is provided between the sliding members 57, 58, and this gear is a motor (binding device). Moving motor) M ₃
It is rotated in the normal or reverse direction. Fixing plates 59a and 59b for attaching the binding stopper are fixed near the ends of the sliding members 57 and 58, and when the sliding members 57 and 58 move in the arrow direction by the rotation of the motor M ₃ , the fixing plates are fixed. 59a and 59b are also guided by the guide rails 453 provided on the frame 45b to move left and right, and the binding stopper 60 fixed thereto moves laterally.

As shown in FIG. 6, the binding machine 60 transmits the rotation of the motor (binding machine drive motor) M ₉ to the eccentric crank (not shown) via the gears 61 and 62 to slowly move the lever 63. Change to linear reciprocating motion. When the lever 63 reciprocates, the V-shaped lever 64 pivots about the fulcrum A and pivots the lever 65. When the lever 65 is lowered, the spring 66 is compressed via the U-shaped push-down piece 67, so that the thin plate 68 is pushed down along the guide 69. As a result, one of the staples filled in the cartridge 70 is separated by the thin plate 68, and is further pressed to bind the pieces of paper (plural copies) on the binding table 71.

Such a binding device 60 is installed on the frame 45b by fixing the attachment plate 72 attached to the bottom surface thereof to the fixing plates 59a and 59b.

In this way, the processing unit 45 has the punching machine 50 at the center and the binding machines 60 on both sides of the punching machine 50 on the same frame 45b, and the entire unit is moved in the forward direction indicated by the white arrow by the handle 453 (see FIG. 3). It can be pulled out. When the punch is accumulated in the case 55d or the binding metal of the binding stopper 60 is clogged, the handle 453 can be pulled to pull out the processing unit 45 to the front side for quick processing.

FIG. 8 shows a feeding mechanism for feeding a copy, punched or bound by the stacker 43, which is a main part of the present invention, to the next conveying means.

A U-shaped support plate 450 is provided below the central portion of the plate material 443 of the stacker 43.
Is attached to support the guide rod 449, and a pin 451 extends horizontally from the side surface of the support plate 450. The pin 451 is engaged with a slot 452a formed at one end of the bending lever 452. The other end of the bending lever 452 is loosely coupled to one end of a rotating V-shaped lever 461 of the roller unit 460. In the roller unit 460, a feed roller 462 is rotatably provided at the center of the bending lever 452, and the feed roller 462 includes two rollers 463 and 46.
4 and the motor through the belt 465 stretched between them
It is rotated by a shaft 466 which is rotated by M ₁ (copy paper transport motor). That is, when stacking, the stopper 43c opens 4
31a, 431b, 431c are fitted to each other to stop the copy at the upright piece 441a of the protruding piece 441, and a stopper when the copy is conveyed after processing.
43c is retracted and the feed roller 462 is moved to the inclined plate 43.
a Send out the processed copy.

FIG. 9 shows a paper holding bar and a driving mechanism for holding a plurality of rice copies placed on the stacker 43 near the punch portion or the binding portion prior to punching or binding.

The paper presser bar 80 is a long metal rod and has a sponge on its bottom surface.
80a is stretched and is hung loosely and slidably by a bar 81 in the central long hole. The bar 81 is loosely fixed to the frame 82 so that it can swing like a seesaw around B as a fulcrum, and is in contact with the peripheral surface of an eccentric cam 83 rotated by a motor (paper pressing bar drive motor) M _{5 at} one end. There is.

When the motor M ₅ rotates, the other end of the bar 81 is moved up and down by the eccentric cam 83. Therefore, the motor M ₅ is rotated at the same time as the punching or binding work, so that the paper pressing lever 80 can be loaded before binding. It is possible to hold down the duplicated copy.

FIG. 10 shows the positions of the motors, sensors and solenoids provided in the copy sheet processing apparatus, some of which have already been described, but all of them will be briefly described below.

FIG. 11 is a block diagram of a control circuit when the copying paper processing apparatus according to the present invention is used in combination with a copying apparatus.

The control circuit of the copy sheet processing apparatus 1 is the sensor PS described above.
_{1 to} PS ₁₆ , a sensor input circuit 101 that converts signals from these sensors into a form that can be processed by the CPU 100, and motors M
_{1 to} M ₁₁ , SD ₁ and SD _2, and a driving circuit 102 for driving the copying apparatus 2. The control circuit of the copying apparatus 2 includes sensors R provided in the RDF apparatus 3.
S _{1 to} S ₅ , a sensor input circuit 201 for converting signals from these sensors into a form that can be processed by the CPU 200, a copy button 202 provided in the form of an operation button on the main body panel of the copying apparatus 2, A size selection button 203 for selecting a copy paper size, a mode selection button 204 for selecting a processing mode of the copy paper processing apparatus 1, a binding position designation button 205 for designating a binding position, and whether or not punching is necessary. A punch designation button 206 for designating, an automatic document size detection button 207 for automatically determining a copy paper size by detecting a document size by the RDF device 3, and a numeric keypad 208 for setting the number of copies or the number of copies. Become. Each time the size selection button 203 is pressed, the selected size is A3 → B4 → F4 → A4 → B
It changes sequentially to 5, and when it is pressed further, the selected size is repeated in this order. When the mode selection button 204 is pressed once, the stack mode is selected, when it is pressed twice, the binding mode is selected, and when it is pressed three times, the punch / binding mode is selected. When the button is pressed further, the selection mode is repeated in this order. . When the binding stop position designation button 205 is pressed once, the binding position is set to the corner a of the copy F as shown in FIG. 12, the corner b when pressed twice, and both a and b when pressed three times. 2's
The data is coded by the CPU 200 and transmitted to the CPU 100 of the processing device 1 as a 3-bit signal. On the other hand, punch designation button 206
Is coded by the CPU 200 as “no punch required” if not pressed and “need punch” if pressed, and transmitted to the CPU 100. In addition to the above, the power supply device 30 is used as the circuit of the copying machine 2.
When the power switch 301 provided on the operation panel is turned on, power is supplied from the power supply device 300 to each component circuit component of the processing apparatus 1 as well as each component circuit component of the copier 2. Is done.

The operation panel of the copying apparatus 2 is further provided with density adjusting means and magnification selecting means such as reduction and enlargement, but these operation means are not directly related to the present invention and therefore omitted here. To do.

Next, the operation of the copy sheet processing apparatus will be described. The copy sheet processing apparatus in this embodiment operates in the following three processing modes.

(A) Stack mode Just like copying an ordinary copy machine, simply copy the original,
A mode in which the sheet is discharged to the sheet discharge tray 40 without being punched or bound (b) Binding mode A copy made up of a plurality of sheets is bound with a binding metal. In this mode, whether the binding stop position is set to only the corner a of the copy as shown in FIG. 11 or only the other corner b as shown in FIG. You can choose.

(C) Punch / Binding mode Punches multiple copies and binds with binding. In this case, the punch designation button 206 is pressed, the punch position is set to one central position, and the binding stop position can be selected from only a, only b, or both a and b as in the above binding mode. . Hereinafter, as an example, a case will be described in which a copy of A43 sheets is copied to create two copies.

No matter which processing mode the copy paper processing device is operated in, first, the power switch 301 of the copying device 2 is turned on, and the R
Three originals are stacked on the original mounting plate 11 of the DF device 3 in the order of first page, second page,... From the top.

When the power switch 301 is turned on, the following initial setting of each load is performed. That is, the binding-stopper moving motor M ₃ is rotated forward by a set number of pulses (for example, 20 pulses) and then reversely rotated, and stopped when the binding-stopper home position sensor PS ₁₀ is turned on. The plate spacing adjustment motor M ₄ is reversed after forward rotation by the number setting pulses (e.g. 20 pulses), it is stopped when the side plate home position sensor PS ₄ is turned on. The paper pressing bar drive motor M ₅ is normally rotated until the paper pressing bar sensor PS ₁₁ is turned on, and the punch drive motor M ₆ is normally rotated until the punch sensor is turned on. The stopper drive motor M ₇ is reversely rotated for a predetermined time after the initialization of the paper pressing bar drive motor M ₅ and the punch drive motor M ₆ is completed, and then is normally rotated until the stopper ON sensor PS ₅ is turned on. The binding machine drive motors M ₉ and M ₁₀ are binding machine sensors PS
Only when ₁₂ , PS ₁₃ are on, rotate them until they turn off. The above is the initialization operation.

Stack Mode FIG. 13 shows a timing chart of the stack mode.

Press the motor selection button 204 on the operation panel of the copying machine 2
Select the stack mode by pressing the button twice.

On the other hand, the size selection button 203 is pressed four times to select the copy paper size A4.

When the copy button 202 is turned on at time t ₁ , the RDF device 3 operates as described above, and the lowermost original (in this case, the third original) is sent out and the glass plate 16 of the copying apparatus 2 is sent. Moved up. During this time, an electrostatic latent image of the original image illuminated by the optical system 19 is formed on the photoconductor 23, and a series of electrophotographic processes proceeds.

On the other hand, the A4 size copy paper F selected by the size selection button 203 is supplied from the cassette 27, the visible image of the original image is transferred to the copy paper P by the transfer electrode 28, and after being fixed by the fixing device 30. The sheet is discharged from the apparatus by the sheet discharge roller 31. The discharge of the copy paper F ₁₁ is detected by the discharge micro switch MS.

The ON signal of the copy button 202 is the control circuit CPU of the processing device 1.
It is transmitted to 100 and the built-in start timer TM ₁ is started.
After a predetermined time by the start timer TM ₁ , the copy paper transport motor M _{2 of} the processing device 1 is started. As a result, the copying machine 2
The first copy sheet F ₁₁ (third page) ejected from is directed in the ejection direction by the path switching gate 42, is conveyed by the conveying roller 41, and is ejected to the sheet ejection tray 40. Sheet discharging the copy sheet F ₁₁ is detected by the paper discharge sensor PS _1, the output of the paper discharge sensor PS ₁ is temporarily inputted to the CPU100 through the sensor input circuit 101 is also sent to the CPU 200. The CPU 200 counts up at the timing of the output of the paper discharge sensor PS ₁ .

As described above as the operation of the RDF device 3, the RDF device 3 sends out the first original (third page) and then the second original (second page), and the copying machine 2 receives the first original. Copy the original image as in. The same applies to the third original. The original image thus copied is sequentially discharged from the copying apparatus 2 after the first sheet. Ejected copy paper F ₁₂ ,
The F ₁₃ is transported by the transport roller 41 of the processing apparatus 1 and discharged to the discharge tray 40. During this time also CPU200 is going to count up at the fall timing of the output of the discharge sensor PS _1.

In this way, while one copy (three sheets) of the copied products F ₁₁ , F ₁₂ , and F ₁₃ are discharged to the discharge tray 40, the CPU 200 causes the count value based on the trailing edge of the discharge sensor PS ₁ and the RDF device 3 to be displayed. Count values based on the output of the circulation paper ejection sensor RS ₅ provided are compared,
When they match, the feeding of the original for the second copy starts.

The feeding of the second copy of the document by the RDF device 3, the copying by the copying device 2, and the conveyance and discharge by the copy sheet processing device 1 are exactly the same as in the case of the first copy, and therefore a description thereof will be omitted. In FIG. 12, the copy of the second copy is shown as F ₂₁ , F ₂₂ , and F ₂₃ .

As can be seen from FIG. 13, the last (first page) copy F ₂₃ of the second copy is discharged from the copying apparatus 2, and when this is detected by the discharge micro switch MS, copying is performed after a predetermined time. The operation ends. When a predetermined time T ₂ has elapsed after the end of this copying operation, the copy paper transport motor M ₂ is stopped.
This time T ₂ starts counting from t ₂ when the copying operation ends.
Defined by CPU100 internal stop timer TM _2.

 Thus, the stack mode ends.

Continuation Stop Mode FIG. 14 shows a timing chart of the staple stop mode.

While pressing the mode selection button 204 on the operation panel twice to select the binding mode, the size selection button 203
Use to select copy paper size A4. Also, the binding stop position designation button 205 is pressed once, for example, to designate the binding stop position at the corner a.

When the copy button 202 is turned on at time t ₁ , RDF
Documents are sent one by one by the device 3, copied by the electrophotographic process by the copying device 2 and discharged from the main body of the device 2. The discharge of the first set of copy sheets F ₁₁ , F ₁₂ , and F ₁₃ is detected by the discharge microswitch MS, and the CPU 200 counts the number of copy sheets discharged based on the output of the microswitch MS. If the number of copy sheets discharged from the copying apparatus 2 (3 in this embodiment) matches the count value (3 in this embodiment) based on the output of the circulation sheet discharge sensor RS ₅ of the RDF apparatus 3, it will take a short time. The last paper signal is output later. At the same time as the last paper signal, the binding start timer built into the CPU 100 starts counting.

On the other hand, when the time T ₁ determined by the start timer TM ₁ built into the CPU 100 elapses after the copy button 202 is turned on,
A transport motor M _2, a stapling machine moving motor M _3, a side plate spacing adjustment mode M _4, the path switching solenoid SD ₁ is energized with the stacker fan drive motor M ₈ rotates. As a result, the transport roller 41 starts rotating, and the two stapling machines
60 through the sliding member 57, 58 is moved from the home position in the direction of the punch unit 50, the side plates 43 b _1, 43 b ₂ is moved to a position substantially equal to the paper size from the home position, the stacker fan starts rotating, The path switching gate 42 is directed in the copy processing direction. At this time, the side plate 43b ₁ for each copy paper ₁
And 43b ₂ to swing the paper to the left and right to align the paper.

Stapling machine driving motor M ₃ and the side plate spacing adjustment motor M ₄
Where the after power-up and prior stapling process by forward by a rotation speed determined by the copying paper size selected (e.g. 20 pulses) and then reversed, for further former home position sensor PS ₁₀ is turned on Further, for the latter are located always home position so are be stopped respectively at the home position sensor PS ₄ is turned on. When the home position sensors PS ₁₀ and PS ₄ are on when the motors M ₃ and M ₄ first rotate in the normal rotation direction for the first time, the motors rotate normally until the sensors turn off.

So the time t ₁ from the time T ₁ stapling machine moving motor M ₃ after elapse stapling machine until slightly outside position than the sheet size A4 60
Is rotated by an amount for moving the side plates, and the side plate spacing adjustment motor M ₄ is rotated by an amount for moving the side plates 43b ₁ and 43b ₂ to the position of A4 which is substantially the paper size. The reason why the binding machine 60 was held at a position slightly outside the paper size is because the opening to the processing position for punching or binding multiple copy papers is not so wide, so all copy papers are at that processing position. This is to ensure that

The copy papers F ₁₁ , F ₁₂ , and F ₁₃ sequentially sent to the processing apparatus 1 are transported by a path switching gate 42 toward a processing direction by conveying rollers 44
The paper is conveyed by the stacker 43 and is discharged to the stacker 43.
Detected by ₂ .

When after the output of the last feeding signal stapling start timer TM ₃ set time by T ₃ has elapsed, the paper pressure with a bar operated timer TM ₄ starts counting built in CPU 100,
Paper retainer bar drive motor M ₅ rotates. On the other hand, the stacker fan stops at this point. When the time T ₄ set by the paper presser bar operation timer TM ₄ has elapsed, the paper presser bar drive motor M ₅ is stopped and the binding stopper moving motor M ₃
Starts rotating again, and the two stapling machines start moving toward the punching machine 50. The motor M ₃ rotates so that the binding position of the binding device 60 is slightly inside the size A 4 selected by the size selection button and then stops.

When the binding machine moving motor M ₃ stops, the binding machine drive motors M ₉ and M ₁₀ will start rotating in the future. Drive motor M
The rotation of ₉ , M ₁₀ is transmitted as a linear reciprocating motion of the lever 63 via the gears 61 and 62, and the V-shaped lever is rotated about the fulcrum A. As a result, the lever 65 rotates and the pressing piece 67
Moves down while compressing the spring 66. As a result, the thin plate 68 descends along the guide 69 and separates only one binding metal contained in the cartridge 70 so as to cut into the copy and bind it.

When the binding machine drive motors M ₉ and M ₁₀ are stopped, the binding machine moving motor M ₃ rotates in the reverse direction and the binding machine rotates to a position slightly outside the selected size A 4 and then stops and paper is stopped. The presser bar drive motor M ₅ rotates and stops when the paper presser bar sensor PS ₁₁ detects the home position of the drive motor M ₅ .

On the other hand, at this time, the stopper drive motor M ₇ starts reverse rotation,
As a result, as can be seen from FIG. 5, the pinion 447 rotates and the drive rod 446 meshed with the pinion 447 retracts. As a result, the plate member 443 moves backward while being guided by the guides 445 on both sides. When the plate 443 moves backwards to some extent, the groove of the guide 445
Since the 445a is inclined, the protrusion 44 that extends in front of it
0 and 441 descend and retract from the openings 431a, 431b, 431c of the inclined plate 43a. In particular, the upright piece 441a of the projecting piece 441 is pulled in from the opening 431b, so that the bound copies (F ₁₁ , F ₁₂ , F ₁₃ ) can slide on the inclined plate 43a. When the stopper 43c retracts to a predetermined position, the stopper OFF sensor PS ₁₆ is turned on, so that the stopper drive motor M ₇ is stopped.

When the copy sheet conveyance motor M ₁ rotates at the same time when the stopper OFF sensor PS ₁₆ is turned on, the shaft 466 shown in FIG. 7 is rotated, and the delivery roller 462 is rotated via the rollers 463, 464 and the belt 465. As a result, the inclined plate 4
A part of the copy paper (F ₁₁ , F ₁₂ , F ₁₃ ) placed on 3a is fed by the feed roller 462 and slides down on the inclined plate 43a. When the two pause sensors PS ₇ and PS ₈ arranged in the width direction of the copy paper detect the leading edge of the copy paper, the conveyance clutch MC (see Fig. 10) works to rotate the conveyance rollers 47 and 48. start. Copying paper is conveyed by the conveying rollers 47, sheet 443 by a mechanism shown in Figure 5 when the leading end is detected by the tray sheet discharge sensor PS ₆ stopper drive motor M ₇ starts rotating to move forward.

When the tray discharge sensor PS ₆ detects the trailing edge of the copy paper and the output is turned off, the M _{1 off} timer TM ₅ built in the CPU 100 starts counting. When the predetermined time T ₅ set by the M _{1 off} timer TM ₅ has elapsed, the copy paper transport motor M ₁ stops, the stacker fan drive motor M ₈ starts again, and air blowing starts.

During this time, the stopper 43c moves forward, and when it reaches a predetermined stop position, the output of the stopper ON sensor PS ₅ is turned off. At this timing, the stopper drive motor M ₇ stops.

The part of the copy paper (F ₁₁ , F ₁₂ , F ₁₃ ) conveyed is placed on the lift table 46 a of the storage tray 46.

While the processing apparatus 1 is performing the binding processing for the first copy sheet as described above, the RDF apparatus 3 sequentially sends out the originals for the second copy sheet processing, and the copying apparatus 2 The copying operation by the electrophotographic process is performed as in the case of the first copy.

As shown in FIG. 14, when the second copies F ₂₁ , F ₂₂ , and F ₂₃ are sequentially ejected from the copying apparatus 2 and detected by the paper ejection microswitch MS ₁ and the last paper signal is output, the binding is performed. Stop start timer TM ₃ starts and measures the set time T ₃ . After the set time T _{3 has} elapsed, the paper presser bar operation timer TM ₄ built in the CPU 100 starts counting and the paper presser bar drive motor M ₅ rotates. The subsequent operation sequence of the timer and the motor is the same as that in the case of the copy of the first copy, and the description thereof will be omitted. The difference in the operation sequence from the processing of the first copy is that the movement of the binding machine 60 and the side plate 43 are different.
This is the movement of b ₁ and 43b ₂ . That is, the binding machine 60 returns to the home position after the binding work. This is a binding machine
This is realized by continuing to rotate the binding machine moving motor M ₃ until the binding machine home position sensor PS ₁₀ detects that the 60 reaches the home position. The side plates 43b ₁ and 43b ₂ are also returned to the home position, which is realized by continuing to rotate the side plate distance adjustment motor M ₄ until the side plate home position sensor PS ₄ detects that the side plate has reached the home position. Is done.

Since this embodiment shows an example of making two copies,
The stacker fan drive motor M ₈ does not start even when the M _{1 off} timer MT ₅ built in the CPU 100 measures the time T ₅ .

 In this way, the binding stop mode ends.

Punch / Binding Mode FIG. 15 shows a timing chart of the punch / binding mode.

The mode selection button 204 on the operation panel is operated to select the punching / binding mode, and the size selection button 203 is operated to select the copy paper size A4. Further, the punch designation button 206 is pressed to give an instruction of "punch required".

As can be seen by comparing the timing chart of FIG. 15 with the timing chart of FIG. 14, the binding operation is exactly the same, only the punching operation is added, and for this reason, the punch drive motor M ₆ and the punch sensor PS are ₉ sequences are added.

Therefore, for the binding operation, refer to the above-mentioned binding mode, and only the punching operation will be described below.

Set time of paper presser bar operation timer built in CPU100
When T ₃ has elapsed, the punch driving motor M ₆ starts to rotate. As shown in FIG. 6, in the punch machine 50, when the punch drive motor M ₆ rotates, the worm gear 51 rotates, and the gear 53 meshed with this rotates. As a result, the two crank members 54a, 54b fixed to the rotating shaft of the gear 53 rotate,
One crank member 54a, 54b has a certain rotation angle (for example, 50
Since it is fixed in a positional relationship that is deviated by
The punching work by the punch pins 56a and 56b via 55a and 55b is also shifted in time. In this way, it is possible to reduce the added according to the punch driving motor M _6. The punching operation will be described with reference to FIG. 7. As shown in FIG. 7A, when the gear 53 rotates in the direction of the arrow, the crank member 54b integrally rotates, and the swinging piece 55b uses the pin 50a as a fulcrum. Rotates counterclockwise. Since the lower end surface of the oscillating piece 55b and the oscillating member 55g are in smooth surface contact, the lower end surface of the oscillating piece 55b does not slide on the circular arc surface of the sliding member 55g and pushes it down. 55b descends as shown in FIG. 7 (b). As a result, the torque of the punch drive motor M ₆ is applied to the set of recording sheets on the horizontal base 55c by the gear 53, the crank member 54b, the swing piece 55b, the sliding member 55g, and the punch pin 56b.
It is transmitted to the recording paper.

When the gear 53 continues to rotate in the direction of the arrow, the swinging piece 55b slowly rotates counterclockwise as shown in FIG. 6C, but the sliding member 55g is connected to the thin plates 56c and 56d by the pin 55h. Therefore, the sliding member 56g rises and the tip of the punch pin 55b comes out of the recording paper.

In this way, the punching force is transmitted not through the pin but through the contact between the arcuate surfaces, so the pin 55b needs only withstand the weak force when pulling up the punch pin, so it has a simple structure with low strength. It will be in time for easy replacement.

When the punch sensor PS ₉ detects that the punch drive motor M ₆ has rotated once and its output changes from “H” to “L”, the punch drive motor M ₆ stops.

As can be seen from the timing chart of FIG. 15, the above-mentioned binding work is performed in the middle of the punching work, and the copy papers F ₁₁ , F ₁₂ , and F ₁₃ of the first copy, which have undergone both the processes, are conveyed by the conveyance rollers 47, It is conveyed by 48 and discharged to the storage tray 46.
The discharging operation after the punching / binding process is the same as the case of only the binding process described above, and thus the description thereof is omitted.

The punching / binding process for the second copy sheet is exactly the same as that for the first copy sheet, and the description thereof will be omitted.

In this way, when two copies of the copies F ₂₁ , F ₂₂ , and F ₂₃ have been punched by the punches and bound by the binding machine, they are discharged to the storage tray 46 in the same manner as the first copy.

As in the present embodiment, there is no problem when making two copies, but when the number of copies to be made at one time is large, the lift table 46 is used.
The tray upper limit sensor indicates that the topmost copy of the copies that have been successively ejected on top of a has exceeded the specified upper limit level.
When detected by the PS ₁₄ , the tray lifting motor M ₁₁ rotates to lower the lifting table 46a by one step. At this time, the solenoid SD ₂ is actuated to apply a brake to the rotating shaft of the tray lifting motor M ₁₁ so that the lifting platform 46a does not descend further. The same operation is repeated as the number of copies on the lift table 46a increases. In this way, when the tray lower limit sensor PS ₁₅ detects that the duplicates are placed on the lift table 46a and the lift table 46a is lowered and lowered to the lower limit position, an over discharge signal is output. Based on this discharge over signal, the warning lamp may be turned on or the warning buzzer may be sounded.

In the above-described embodiment, when the binding device loaded in the binding machine runs out, a sensor provided in advance outputs a binding signal to warn the user, or when the punched dust generated during punching is full in the container. Is convenient to use if you give it a warning.

Further, in the embodiment, the binding stop position is a fixed position in the corner of the copy, and the punch position is also a fixed position in the center of the copy. However, the binding stop position and the punch position can be freely changed. Good.

Further, although an elevating tray is exemplified as a storage tray for finally storing the processed copy, this is suitable for large-scale processing, and a discharge tray type may be used for a normal processing amount.

The recording paper processing apparatus of the present invention is preferably used as a copying paper processing apparatus in combination with a copying apparatus, but the combination partner is not limited to the copying apparatus, but a plurality of standard sheets such as a printing machine or a card processing machine. Of course, a recording device that handles documents may be used.

(Effects of the Invention) As described above, in the present invention, in the recording paper processing apparatus configured to punch the set of externally supplied recording paper at the holding position, the punching punching machine is driven. In a transmission mechanism that transmits a punching force from a motor as a power source to a punch pin through a crank member and a swinging piece, one end of the swinging piece and one end of the punch pin are slidably brought into contact with each other on arcuate surfaces, and swinging is performed. Since it is configured to loosely connect one end and one end of the punch pin with a pin,
When the punch pin is pushed down for punching, the arcuate surfaces of the rocking piece and the punch pin contact each other, but when pulling up the punch pin after punching, the rocking piece and the punch pin are connected by a simple pin with low strength. It will be sufficient in time, and it becomes easy to replace the punch pin, which is a consumable item.

[Brief description of drawings]

FIG. 1 is a schematic diagram showing a copying paper processing apparatus as an example of a recording paper processing apparatus according to the present invention in combination with a copying apparatus, and FIG. 2 is a circulation type automatic document feeding forming a part of the copying apparatus. Fig. 3 is a schematic diagram of a feeding device (RDF device), Fig. 3 is a perspective view showing a main part of the recording paper processing device according to the present invention, and Fig. 4 is a rear view of an inclined plate of the recording paper processing device according to the present invention. FIG. 7 is a perspective view showing the stopper driving mechanism, FIG. 6 is a perspective view showing the processing unit with the binding device removed, and FIGS. 7 (a) to 7 (d) are diagrams showing the movement of the punch force transmitting mechanism. ) Is before punching, (b) is during punching, (c) is after punching, (d) is a front view of the punch force transmission mechanism, FIG. 8 is a perspective view of a mechanism for sending out processed copy paper, and FIG. Is the drive mechanism of the paper holding bar,
FIG. 10 is a layout diagram of motors, sensors and solenoids in the copy sheet recording apparatus, FIG. 11 is a copy sheet processing apparatus and a control circuit of the copy apparatus shown in FIG. 1, and FIG. 12 is a copy sheet processing apparatus according to the present invention. FIG. 13 is a timing chart of the stack mode of the present invention, FIG. 14 is a timing chart of the binding mode of the present invention, and FIG. 15 is a timing chart of the punching / binding mode of the present invention. 1 ... Copy paper processing device, 2 ... Copying device, 3 ... RDF device, 40 ... Paper discharge tray, 41 ... Conveying roller, 42 ... Path switching gate, 43 ... Stacker, 45 ... Processing unit , 46 ...
… Storing tray, 47,48 …… Conveying rollers, 50 …… Punching machine, 53 …… Gear, 54a, 54b …… Crank member, 55a, 55b
...... Swing piece, 55h ...... Pin, 55g ...... Sliding member, 56b ......
Punch pin, 56c, 56d ... thin plate,

Claims (1)

[Claims] 1. A recording processing apparatus configured to punch a set of recording sheets supplied from the outside at a holding position, wherein a rotary motion of a motor which is a drive source of a punching machine for punching is oscillated with a crank member. The one end of the oscillating piece and the one end of the punch pin of the punch force transmission mechanism that converts and transmits the reciprocating motion of the punch pin via the moving piece slidably contact each other with their arcuate sections. A recording paper processing device, characterized in that the rocking piece and one end of the punch pin are loosely connected by a pin.