JP4062859B2 - Paper direction changing device, glue binding apparatus, and image forming apparatus - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a paper direction changing device that applies a paste in the form of a strip in the vicinity of a side edge of a paper after the direction of the image forming processing discharged from the image forming apparatus main body is changed by 90 degrees in the horizontal direction. The present invention relates to a gluing bookbinding apparatus including a conversion device and an image forming apparatus including a gluing bookbinding apparatus.
[0002]
[Prior art]
2. Description of the Related Art In recent years, a gluing bookbinding apparatus has been provided in which a gluing process is performed on a predetermined position of a sheet on which an image is recorded by a main body of an image forming apparatus such as a copying machine, a printer, or a multi-function machine.
[0003]
As the gluing processing device, (1) a device that ejects glue on paper using a glue ejection nozzle, (2) a glue wheel is installed in the glue storage box, and glue is attached to the outer periphery of the rotating glue wheel, A device that contacts and transfers the outer periphery of a vehicle to a sheet, and (3) a hot melt coating device that discharges a mixture of a hot melt agent (thermal fusion agent) and heated compressed air from a nozzle are used.
[0004]
A bookbinding apparatus described in Japanese Patent Publication No. 59-500907 deflects a sheet conveyed in a first direction in a second conveying direction perpendicular to the conveying direction, and then draws a line at the end of the traveling sheet. A paste is applied to the shape, and after stacking and alignment, pressurization is performed to bind.
[0005]
The paper direction changing apparatus described in Japanese Patent Laid-Open No. 4-133944 uses a difference in peripheral speed between two conveying rollers to rotate the paper 90 degrees and correct the paper skew. The two transport rollers are driven and controlled by independent motors. The control of the roller is started based on a paper passage detection signal of a sensor arranged on the upstream side in the transport direction of the transport roller.
[0006]
The paper direction changing device described in Japanese Patent Laid-Open No. 2-132041 rotates a paper sheet by 90 degrees by holding the paper sheet with a stopper that stops the conveyance of the paper sheet and a rotating disk that faces the paper sheet.
[0007]
[Problems to be solved by the invention]
The above-described paper direction changing device and gluing bookbinding device have the following problems.
[0008]
(1) 90 degree rotation and shifting of paper cannot be performed at the same place at the same time.
(2) 90 degree rotation and shifting of the paper cannot be processed at high speed.
[0009]
(3) The amount of paper shift is limited by the length of the paper.
(4) When the sheet is rotated 90 degrees and shifted, the end of the sheet is caught by the conveyance roller, and the rotation and shift are not performed well.
[0010]
(5) The mechanism becomes complicated when the driving roller of the conveying roller pair is pressed and released.
(6) When the driving roller is made of an elastic member, the conveyance of the paper becomes unstable.
[0011]
The present invention solves each of the above problems, improves the paper direction conversion device, achieves high speed of the paper direction conversion processing by good paper rotation and shift processing, simplifies the mechanism, and reduces the overall size of the device. It aims to make possible. It is another object of the present invention to provide a paper direction changing device that makes it possible to align the end portions of papers of different sizes at a certain position without limiting the paper shift amount to the paper length.
[0012]
[Means for Solving the Problems]
  Said subject is achieved by the following invention.
1. A transport path through which the paper is transported based on the center
  A conveyance roller comprising a driving roller and a driven roller for nipping and conveying the paper in the conveyance path;
  Transported by the transport rollerA sheet rotating means for rotating the sheet 90 degrees in the horizontal plane direction with respect to the conveying direction by sandwiching and rotating the sheet; and
  There is a moving means for positioning the paper by moving the rotation center of the paper rotation means to convert from the center reference conveyance to the one-side reference conveyance.And
The paper conveying surface of the driving roller is formed of a hard material, and the paper conveying surface of a driven roller that can be pressed against and released from the driving roller is formed of an elastic material.A paper direction changing device.
2. 2. The paper direction change according to claim 1, wherein the paper rotation means has a pair of rotating discs capable of holding and releasing the paper and capable of rotating 90 degrees in the horizontal direction with respect to the paper transport direction by a rotation shaft. apparatus.
3. Wherein the paper stopping position is shifted in accordance with the size of the paper carried into the paper direction changing device, and the moving means shifts the rotation center of the paper rotating means in accordance with the paper size. Or the sheet direction changing device according to 2 above.
4). The moving means corresponds to the size of the paper carried into the paper direction changing device.The paper rotation meansMove to a predetermined position and wait for the paperButStops at the specified stop positionThisAfter that, the paper is sandwiched by the paper rotating means and rotated 90 degrees.TheThe sheet direction changing apparatus according to any one of the above items 1 to 3, wherein the direction is changed.
5. The transport rollerByAn outer peripheral surface of the drive roller is provided with a paper transport guide member comprising a pair of upper and lower guide plates that hold a predetermined gap through which the transported paper can pass.TheThe paper transport guide member is slightly protruded from the paper transport surface of one of the guide plates.Any one of 1-4The paper direction changing device described in 1.
6. An inclined surface is provided at an end portion of the sheet conveying surface of the driving roller.Any one of 1-5The paper direction changing device described in 1.
7.A transport path through which the paper is transported based on the center,
  A conveyance roller comprising a driving roller and a driven roller for nipping and conveying the paper in the conveyance path;
A sheet rotating means for rotating the sheet 90 degrees in the horizontal plane with respect to the conveying direction by sandwiching and rotating the sheet conveyed by the conveying roller; and
Moving means for moving the rotation center of the paper rotation means, and converting the center reference conveyance to one-side reference conveyance to position the paper;
The driven roller having a paper conveying surface formed of a hard material is rotatably supported at a predetermined position in the paper conveying path,
The driving roller having a sheet conveying surface formed of an elastic material is supported so as to be pressed against and released from the driven roller.ForPaper direction changing device.
8).8. The paper direction change according to claim 7, wherein the paper rotating means has a pair of rotating disks capable of pinching and releasing the paper and capable of rotating by 90 degrees in the horizontal direction with respect to the paper transport direction by a rotating shaft. apparatus.
9.The paper stopping position is shifted in accordance with the size of the paper carried into the paper direction changing device, and the moving means shifts the rotation center of the paper rotating means in accordance with the paper size. Or the paper direction changing device according to 8.
10.The moving means moves the paper rotating means to a predetermined position corresponding to the size of the paper carried into the paper direction changing device and waits, and after the paper is stopped at a predetermined stop position, the paper 10. The paper direction changing device according to any one of 7 to 9, wherein the paper is pinched by a rotating means and rotated by 90 degrees to change the direction.
11. A sheet conveying guide member comprising a pair of upper and lower guide plates that hold a predetermined gap through which the sheet conveyed by the conveying roller can pass; and an outer peripheral surface of the driven rollerTheThe paper transport guide member is slightly protruded from the paper transport surface of one of the guide plates.Any one of 7-10The paper direction changing device described in 1.
12. An inclined surface is provided at an end portion of the paper conveying surface of the driven roller.Any one of 7-11The paper direction changing device described in 1.
13.A transport path through which the paper is transported based on the center,
  A conveyance roller comprising a driving roller and a driven roller for nipping and conveying the paper in the conveyance path;
A paper transport guide member comprising a pair of upper and lower guide plates holding a predetermined gap through which the paper transported by the transport roller can pass;
A sheet rotating means for rotating the sheet 90 degrees in the horizontal plane with respect to the conveying direction by sandwiching and rotating the sheet conveyed by the conveying roller; and
Moving means for moving the rotation center of the paper rotation means, and converting the center reference conveyance to one-side reference conveyance to position the paper;
The paper conveyance guide member and the driven roller are integrally configured to be movable, and the paper conveyance guide member is moved in response to pressure bonding and release between the driving roller and the driven roller.ForPaper direction changing device.
14 14. The sheet direction change according to claim 13, wherein the sheet rotating means has a pair of rotating disks capable of pinching and releasing the sheet and capable of rotating 90 degrees in the horizontal direction with respect to the sheet conveying direction by a rotating shaft. apparatus.
15. The paper stopping position is shifted in accordance with the size of the paper carried into the paper direction changing device, and the moving means shifts the rotation center of the paper rotating means in accordance with the paper size. The sheet direction changing device according to 13 or 14.
16. The moving means moves the paper rotating means to a predetermined position corresponding to the size of the paper carried into the paper direction changing device and waits, and after the paper is stopped at a predetermined stop position, the paper 16. The sheet direction changing device according to any one of 13 to 15, wherein the direction is changed by holding the sheet by a rotating means and rotating it by 90 degrees.
17. 1 to16A paper direction changing device according to any one of the above,
A glue application device for applying glue to the side edge of the direction-changed paper;
Storage means for aligning and storing a plurality of sheets subjected to glue application;
Pressurizing means for pressurizing a plurality of aligned sheets;
A paper discharge means for discharging and stacking the booklet produced by the gluing process;
A gluing bookbinding apparatus characterized by comprising:
18. An image forming apparatus main body comprising an image writing unit, an image forming unit, a paper feeding / conveying unit, and a fixing unit;17An image forming apparatus comprising the gluing bookbinding apparatus described in 1. above.
[0017]
DETAILED DESCRIPTION OF THE INVENTION
Next, an image forming apparatus provided with a paper direction changing device, a gluing bookbinding device, and a gluing bookbinding device according to the present invention will be described with reference to the drawings.
[0018]
FIG. 1 is an overall configuration diagram of an image forming system including an image forming apparatus main body A, an image reading apparatus B, an automatic document feeder DF, and a glue binding apparatus C.
[0019]
The image forming apparatus main body A includes a charging unit 2, an image exposure unit (writing unit) 3, a developing unit 4, a transfer unit 5, a neutralizing unit 6A, around a rotating image carrier (hereinafter referred to as a photoreceptor) 1. Laser beam scanning based on the image data read from the original by the laser beam of the image exposure means 3 after the separation claw 6B and the cleaning means 7 are arranged and the surface of the photosensitive member 1 is uniformly charged by the charging means 2. To form a latent image, and the developing unit 4 reversely develops the latent image to form a toner image on the surface of the photoreceptor 1.
[0020]
On the other hand, the paper (transfer paper) S fed from the paper storage means 8A is sent to the transfer position. The toner image is transferred onto the paper S by the transfer means 5 at the transfer position. Thereafter, the charge on the back surface of the sheet S is erased by the neutralization unit 6A, separated from the photosensitive member 1 by the separation claw 6B, conveyed by the intermediate conveyance unit 8B, subsequently heated and fixed by the fixing unit 9, and then discharged by the discharge roller 8C. Discharged.
[0021]
When image formation is performed on both sides of the sheet S, the sheet S heated and fixed by the fixing unit 9 is branched from the normal sheet discharge path by the conveyance path switching plate 8D, and is switched back and reversed in the reverse conveyance 8E. After that, the paper is discharged out of the apparatus by the paper discharge roller 8C. The paper S discharged from the paper discharge roller 8C is sent to the receiving unit 11 of the glue binding apparatus C.
[0022]
On the other hand, the developer remaining on the surface of the photoreceptor 1 after the image processing is removed downstream of the separation claw 6B by the cleaning unit 7 to prepare for the next image formation.
[0023]
On the upper part of the image forming apparatus main body A, an automatic document feeder DF of a document movement (sheet through) type reading system is supported so as to be openable and closable. The automatic document feeder DF has a single-sided document reading function and a double-sided document reading function.
[0024]
The gluing bookbinding apparatus C includes an aligning and pressing unit 50 in the upper part of the figure, a glue applying unit 40 and a bending deviation correcting unit (hereinafter referred to as a correcting unit) 30 in the middle part, a sheet direction changing device 20 in the lower part, and a cover in the lower part. The sheet feeding means 80 are arranged in a column in a substantially vertical direction.
[0025]
On the right side of the gluing bookbinding apparatus C, an inlet conveyance means 10 and a folding means 70 are arranged. On the left side of the gluing bookbinding apparatus C, a paper discharge means 60 for stacking the glued bookbinding is arranged.
[0026]
FIG. 2 is a configuration diagram illustrating a sheet conveyance path of the glue binding apparatus C. FIG. 3 is a schematic diagram showing a gluing bookbinding process on the paper S.
[0027]
In the gluing bookbinding apparatus C, the receiving section 11 of the inlet section conveying means 10 is installed so as to be adjusted to a position and height that match the sheet discharge roller 8C of the image forming apparatus main body A.
[0028]
The conveyance path of the paper S connected to the receiving unit 11 is branched into an upper paper conveyance path 12 to the uppermost fixed paper discharge tray 15 and a lower paper conveyance path 16 and has an angle occupied by the switching gate G1. The sheet S is fed to one of the transport paths by selection.
[0029]
The upper sheet conveyance path 12 includes conveyance rollers 131, 132, and 133, a discharge roller 14, a guide plate, and the like. The lower sheet conveyance path 16 includes conveyance rollers 171, 172, and 173, a switching gate G2, and a guide plate.
[0030]
The sheet conveyance path connected to the lower sheet conveyance path 16 is branched into two systems that lead to the middle sheet direction changing device 20 and the lowermost folding means 70, and the sheet S is selected by selecting the angle occupied by the switching gate G2. Is fed to one of the transport paths.
[0031]
(1) Paper is discharged directly to the fixed paper tray 15 at the top of the device.
The image-formed paper S discharged from the image forming apparatus main body A is introduced into the receiving unit 11, passes through the paper transport path 12, is transported by the transport rollers 131 to 133, and is sandwiched by the discharge rollers 14 to be held by the machine. The paper is discharged onto a fixed paper discharge tray 15 on the outer upper portion and sequentially stacked.
[0032]
In this paper transporting process, the switching gate G1 is swung by driving the solenoid, the paper transporting path 16 is closed, the paper transporting path 12 is opened, and the paper S can pass through the fixed paper discharge tray 15. To do.
[0033]
(2) 90 degree rotation processing of paper
When this sheet rotation mode is set, the switching gate G2 closes the sheet conveying path 18B, holds the sheet conveying path 18A in an open state, and allows the sheet S to pass through the sheet conveying path 18A with the solenoid turned off. enable.
[0034]
The image-formed paper S discharged from the image forming apparatus main body A passes through the receiving portion 11, the paper transport path 16, and the transport rollers 171 and 172, and passes through the paper transport path 18A formed open by the switching gate G2. Passed, deflected in a substantially right-angle direction on the left side in the figure, sandwiched by the transport roller 173, and sent to the paper direction changing device 20.
[0035]
The sheet S introduced into the sheet direction changing device 20 passes through the sheet conveyance path 21 opened above the switching gate G3, is sandwiched between the conveyance rollers 22, 23, 24, and 25, and is shown in the left direction of the arrow shown in the drawing. Proceed to.
[0036]
When the central portion of the sheet S reaches the sheet rotating means 26, the sheet conveyance is temporarily stopped, the pressure contact of the conveying rollers 22, 23, 24, and 25 is released, and the separated state is maintained. In the state where the pressure contact of the conveying rollers 22 to 25 is released, the lower rotating disk 261 and the upper rotating disk 262 of the sheet rotating unit 26 rotate while sandwiching the sheet S, thereby converting the direction of the sheet S by 90 degrees. For example, an A4 size paper S is converted into the A4R direction by the paper rotation means 26.
[0037]
The sheet orientation conversion device 20 can simultaneously perform the 90-degree rotation of the sheet S and the sheet S shifting process. Alternatively, the paper direction conversion device 20 can independently execute the 90-degree rotation of the paper S and the paper shifting process.
[0038]
The sheet S whose rotation direction has been changed is conveyed by the press-contact rotation of the conveyance rollers 22 to 25, is unloaded from the sheet direction conversion device 20, is sandwiched between the conveyance rollers 27 </ b> A and 27 </ b> B, and is deflected upward in a substantially perpendicular direction as illustrated. Then, after passing through the switching gate G4, it is further deflected to the right in the figure and sent to the correcting means 30.
[0039]
The sheet S that does not require gluing and binding processing passes through the sheet conveyance path on the left side of the switching gate G4 by driving of the solenoid, is conveyed by the conveyance rollers 61 and 62, and is moved up and down by the sheet discharge roller 63. It is discharged to the tray 64.
[0040]
(3) Bending deviation correction processing
The correction means 30 for correcting the skew deviation of the sheet S includes conveyance rollers 31, 32, 33, and 34, a sheet conveyance path 35, an alignment reference plate 36, and an alignment correction plate 37 that can clamp and release the sheet S. The sheet S before the paste application process is brought into contact with the alignment reference plate 36 and aligned on one side.
[0041]
(4) Glue application processing to paper S
The paper S sent from the correcting means 30 to the glue applying means 40 advances in the right direction indicated by the arrow in the figure. The paper transport path 42 of the glue applying means 40 and the paper transport path 35 of the correcting means 30 are both formed substantially parallel to the paper transport path 21 of the paper direction changing device 20, and the transport direction of the paper S is the paper direction changing device 20. This is the opposite direction to the transport direction.
[0042]
The glue discharge means 41 accommodates glue supplied from a bag-like container (not shown), and forms glue application part N by discharging glue in one of the side edges of the running paper S in the form of a band or an intermittent broken line. .
[0043]
The sheet S that has been subjected to the glue application process is nipped by the thin film forming roller 43 and the glue application part N is rolled to form a thin film, and is then nipped and conveyed by the conveying rollers 441, 442, and 443, and is formed of a guide plate It rises along the conveyance path 45, is sandwiched between the discharge rollers 46, and is discharged to the aligning and pressing unit 50.
[0044]
(5) Consistent pressure treatment
The first sheet S not subjected to the glue application process is sandwiched between gripping means (gripper means) 51, and the leading end abuts against the stopper 53 and is placed at a predetermined position on the sheet storage means (hereinafter referred to as a stacker) 52. Placed. The gripping means 51 moves while being supported by a rotating belt 54.
[0045]
Similarly, the second and subsequent sheets S subjected to the glue application process are sandwiched by the gripping means 51 and sequentially placed on the preceding sheet S on the stacker 52 with the glue application part on the lower surface side. . Reference numeral 55 denotes a pair of width alignment members that can move in the width direction, and regulates the width direction of the paper S.
[0046]
The pressure roller member 56 is supported by the rotating belt 54 and moves together with the gripping means 51. The pressure roller member 56 moves while being pressed against the pasted back side of the sheet S to ensure adhesion between the sheets.
[0047]
The pressing process of the sheet S by the pressure roller member 56 may be performed every time the second and subsequent sheets S are placed on the stacker 52. Alternatively, the pressing process may be performed every time a plurality of sheets S are stacked.
[0048]
One bookbinding process completed by the above-described process is completed. In the gluing bookbinding apparatus C, a maximum of 200 sheets S can be glued to be bound.
[0049]
(6) Stack of paper
A plurality of discharge belts 59 wound around a driving roller 57 and a driven roller 58 are rotatably disposed on a part of the sheet stacking surface of the stacker 52.
[0050]
The final sheet S is stacked on the stacker 52, pressed, and pasted and bound, the sheet bundle is held at the trailing end of the sheet bundle by the discharge claw 59a of the discharge belt 59. The paper slides on the mounting surface, is sandwiched between the paper discharge rollers 63 of the paper discharge means 60, and is discharged and stacked on the lift paper discharge tray 64.
[0051]
The elevating paper discharge tray 64 can stack sheets S that have been subjected to glue application and sheets S that have not been subjected to glue application, and can accommodate a large amount of sheets S by raising and lowering driving.
[0052]
(7) Cover paper feed
The cover sheet paper feeding means 80 includes a paper feed cassette 81 and a paper feed member 82. One cover sheet K fed from the sheet feed cassette 81 passes through the sheet feed path 83 and the transport roller 84, is sent to the sheet direction changing device 20, passes through the correcting means 30, and then the glue applying means 40 and the alignment. In the pressurizing means 50, the above-mentioned sheet bundle is superposed on the upper surface or the lower surface and glued and bound.
[0053]
Further, one cover sheet K fed from the sheet feed cassette 81 is branched by a switching gate G5 through a sheet feed path 83, sent into a folding means 70 described later, and folded in half. The paper passes through the conveying roller 84, is sent to the paper direction changing device 20, passes through the correcting means 30, the glue applying means 40, and the aligning and pressing means 50, and can be glued and bound on the paper bundle.
[0054]
(8) Folding process
The sheet S conveyed downward from the sheet conveyance path 16 in the figure is branched at the switching gate G2, and is carried into the folding means 70 through the sheet conveyance path 18B. The folding means 70 includes folding rollers 71, 72, 73 and a conveyance path switching plate 74, and performs a two-fold process or a Z-fold process on the loaded paper S. The folded sheet S is joined to the cover sheet feeding path by the switching gate G5, and is sent to the sheet direction changing device 20 via the transport roller 84 and the switching gate G2, and further, the correction means 30, the glue coating, Gluing and binding are performed through the cloth means 40 and the alignment pressing means 50.
[0055]
FIG. 4 is a perspective view showing the position where glue is applied to various types of paper S. FIG. 4A is a diagram in which the glue application portion N is formed on the long side of the paper S, FIG. 4B is a diagram in which the glue application portion N is formed on the short side of the paper S, and FIG. FIG. 4D is a diagram in which the glue application portion N is formed on the sheet S that has been folded in half, and FIG.
[0056]
(First form of implementationState, obedienceDriving up and down of the moving roller)
FIG. 5 is a sectional view of the paper direction changing device 20, and FIG. 6 is a plan view.
[0057]
The conveying roller 22 includes a driving roller 22A and a driven roller 22B. Similarly, the conveyance roller 23 includes a driving roller 23A and a driven roller 23B, the conveyance roller 24 includes a driving roller 24A and a driven roller 24B, and the conveyance roller 25 includes a driving roller 25A and a driven roller 25B.
[0058]
The motor M1 rotates the driving roller 25A and the driving roller 24A via a timing belt (hereinafter referred to as a belt) TB1, rotates the driving roller 23A via a belt TB2, and further drives the driving roller 22A via a belt TB3. Rotate.
[0059]
The motor M2 rotates the disc 280 via the gear train and causes the eccentric pin 280A to make a circular motion. A connecting rod (crank) 281 connected to the eccentric pin 280 </ b> A swings the swing lever 282 about the support shaft 220.
[0060]
The swing lever 282 is connected to a driven roller shaft 222 that rotatably supports two driven rollers 22B, and releases the pressure contact between the driving roller 22A and the spring-driven driven roller 22B.
[0061]
The connecting rod 283 connected to the swing lever 282 swings the swing lever 284 around the support shaft 230 and releases the pressure contact between the driving roller 23A and the spring-biased driven roller 23B. The connecting rod 285 connected to the connecting rod 283 causes the swing lever 286 to swing around the support shaft 240 and releases the pressure contact between the driving roller 24A and the spring-biased driven roller 24B. Similarly, the connecting rod 287 connected to the connecting rod 285 swings the swing lever 288 about the support shaft 250, and releases the pressure contact between the driving roller 25A and the spring-biased driven roller 25B.
[0062]
FIG. 7 is a cross-sectional view of the paper direction changing device 20.
The sheet direction changing device 20 includes a sheet rotating unit 26 that can rotate while sandwiching the sheet S, and a moving unit 29 that moves the sheet rotating unit 26 in a direction orthogonal to the sheet conveying direction.
[0063]
The sheet rotating means 26 includes a lower rotating disk 261 that supports the lower surface of the sheet S, an upper rotating disk 262 that sandwiches the upper surface of the sheet S, and a driving unit that moves the upper rotating disk 262 up and down.
[0064]
The lower rotating disk 261 is supported by the lower moving body 263. The upper rotating disk 262 is supported by the upper moving body 264 so as to be movable up and down. The shaft 265 fixed upright to the upper rotating disk 262 is supported by two bearings 266 fixed to the upper moving body 264 so as to be movable up and down. The pin 267 implanted in the shaft 265 is pushed downward by a lever 268 connected to the plunger of the solenoid SL. A spring 269 hooked to one end of the lever 268 urges the shaft 265 upward.
[0065]
The upper moving body 264 and the lower moving body 263 are moved by the moving means 29 and are movable in a direction orthogonal to the paper transport direction. The motor M4 of the driving means rotates an upper timing pulley (hereinafter referred to as a pulley) TP1 and a lower pulley TP2 via a belt TB4.
[0066]
The upper moving body 264 locked to a part of the belt TB5 provided on the pulleys TP1 and TP3 is guided and moved by two regulating shafts (guide rods) 291 arranged in parallel.
[0067]
The lower moving body 263 locked to a part of the belt TB6 installed on the pulleys TP2 and TP4 is guided by a restriction shaft (guide bar) 292 and moves. The upper moving body 264 and the lower moving body 263 that are driven by the same drive source (motor M4) are positioned vertically opposite to each other and move in the same direction at the same speed.
[0068]
FIG. 8 is a schematic diagram showing a conventional paper direction changing method.
FIG. 8A shows a process in which vertically oriented (for example, A4) paper Sa is carried in with the center reference CL, changed in direction by 90 degrees (A4R arrangement), and aligned with the one-side reference portion SL. If the rotation center m of the rotating disk of the sheet direction changing device is set at the center position of the sheet Sa, the side edge of the sheet Sa is greatly separated from the one-side reference part SL after the sheet Sa is rotated. In order to bring the side edge of the paper Sa into contact with the one-side reference portion SL after processing, a large movement amount a in the paper width direction is required.
[0069]
FIG. 8B shows a process in which paper Sb having a horizontally long layout (for example, A3 layout) is carried by the center reference CL, changed in direction by 90 degrees (A3R layout), and aligned by the one-side reference portion SL. Also in this case, if the rotation center m of the rotating disk of the sheet direction changing device is set at the center position of the sheet Sb, after the sheet Sb is rotated, the side edge of the sheet Sb is brought into contact with the one-side reference portion SL. A large movement amount b is required in the paper width direction.
[0070]
The paper direction changing device 20 according to the present invention shifts the rotation center of the paper rotation means 26 by the moving means 29 according to the size of the paper S to be carried in, and the paper S by the rotating disks 261 and 262 of the paper rotation means 26. The direction is changed by pinching and rotating 90 degrees.
[0071]
FIG. 9 is a schematic diagram showing a process of changing the direction of a vertically long sheet by the sheet direction changing device 20 of the present invention.
[0072]
Hereinafter, a paper conveyance process when changing the paper direction will be described.
(1) The sheet Sa carried in the center reference CL by the conveyance rollers 22 to 24 and arranged vertically (for example, A4 arrangement) is conveyed in the illustrated white arrow direction X1 and reaches the predetermined position indicated by the broken line. The driving of the drive rollers (lower rollers) 22A to 25A by the motor M1 is stopped, and the conveyance of the paper Sa is stopped (first position S1 of the paper Sa shown by a broken line). The first position S1 is a predetermined position that varies depending on the paper size. After the conveyance of the paper Sa is stopped, the pressure contact of the driven rollers (upper rollers) 22B to 25B is released by the motor M2.
[0073]
(2) The moving means 29 moves the paper rotating means 26 from the initial position m1 indicated by the broken line to the predetermined position m2 indicated by the solid line by driving the motor M4 prior to paper conveyance. The predetermined position m2 is a setting position that varies depending on the paper size.
[0074]
(3) By driving the motor M3, the lower rotating disk 261 and the upper rotating disk 262 of the sheet rotating unit 26 sandwich the front and back surfaces of the sheet Sa, change the direction of the sheet Sa by 90 degrees, and change the direction of the sheet Sa indicated by a broken line. The vehicle is stopped at the second position S2, and a horizontally long layout (for example, A4R layout) is set.
[0075]
FIG. 9A shows a rotation state in which the paper Sa is rotated 90 degrees clockwise from the first position S1 and is set at the second position S2. FIG. 9B shows a rotation state in which the paper Sa is rotated 90 degrees counterclockwise from the first position S1 and is set at the second position S2.
[0076]
(4) The driven rollers 22B to 25B of the conveying rollers 22 to 25 are brought into pressure contact with the driving rollers 22A to 25A by driving the motor M3 and spring bias. The paper Sa set at the second position S2 is transported in the illustrated white arrow direction X2 by the transport rollers 22 to 25 rotated by the driving of the motor M1, and is positioned on the one-side reference portion SL.
[0077]
FIG. 10 is a schematic diagram showing a process of changing the direction of the landscape paper Sb by the paper direction changing device 20 of the present invention. FIG. 10A is shifted to a predetermined position set by the paper size by the moving means 29. The sheet rotation means 26 rotates the sheet Sb 90 degrees counterclockwise from the first position S1 and is installed in the second position S2. FIG. 10B shows a rotation state in which the sheet rotating means 26 shifted to a predetermined position by the moving means 29 rotates the sheet Sb 90 degrees clockwise from the first position S1 and installs it at the second position S2. . In any case, the paper S is positioned at the one-side reference portion SL by changing the direction of the paper S by 90 degrees by the paper direction changing device 20. The side edge portion of the paper S that is in contact with the one-side reference portion SL is set to coincide with the side edge portion positioning means of the paper S in the glue applying means 40.
[0078]
FIG. 11 is a cross-sectional view of the conveyance roller disposed in the paper direction changing device 20.
Since the transport rollers 22 to 25 have the same configuration, the transport roller 22 will be described below as a representative.
[0079]
The sheet conveyance path 21 of the sheet direction changing device 20 is formed by a sheet conveyance guide member including a lower guide plate 211 and an upper guide plate 212. In the hole formed in the lower guide plate 211, the outer peripheral portion of the drive roller (lower roller) 22A protrudes. The protrusion amount Δ1 at which the outer peripheral surface of the drive roller 22A protrudes from the sheet conveyance guide surface on the upper surface side of the lower guide plate 211 is very small, for example, set to 1 mm.
[0080]
The outer peripheral portion of the drive roller 22A is molded from a hard material such as polypropylene (PP), and the sheet conveying surface is formed as a smooth surface. A frustoconical inclined surface c is formed at the end of the sheet conveying surface of the drive roller 22A.
[0081]
The outer peripheral portion of the driven roller 22B (upper roller) protrudes from the hole formed in the upper guide plate 212 and comes into pressure contact with the driving roller 22A. The driven roller 22B can be retracted upward from the pressure contact position with the driving roller 22A by the motor M2 shown in FIG.
[0082]
The sheet conveyance surface portion 22B1 on the outer peripheral portion of the driven roller 22B is formed of an elastic material such as ethylene-propylene rubber (EPDM).
[0083]
FIG. 11A shows a state where the driven roller 22B is pressure-bonded. The paper S is sandwiched and transported in the pressure-bonded state.
[0084]
FIG. 11B shows a pressure-release state in which the driven roller 22B is moved upward and separated from the driving roller 22A. In this pressure-release state, the paper S is pressed and sandwiched by the paper rotating means 26 shown in FIG. During the rotation of the sheet, the driven roller 22B is retracted above the sheet conveying surface of the upper guide plate 212.
[0085]
Further, since the paper conveying surface of the driving roller 22A is formed as a smooth surface by a hard material, the paper S is placed on the paper conveying surface of the driving roller 22A and smoothly rotates 90 degrees in the horizontal direction. Further, the amount of protrusion Δ1 from the upper surface of the lower guide plate 211 of the driving roller 22A is small, and the direction of the sheet S is changed by the truncated cone-shaped inclined surface c formed at the end of the sheet conveying surface of the driving roller 22A. The paper S is not caught between the corners of the drive roller 22A, and the paper S is placed on the paper transport surface of the drive roller 22A and smoothly rotated 90 degrees in the horizontal direction.
[0086]
(Second form of implementationState, drivingDriving up and down of the moving roller)
FIG. 12 is a cross-sectional view showing a second embodiment of the paper direction changing device 20 of the present invention. In addition, about the code | symbol used in drawing, the same code | symbol is attached | subjected to the part which has the same function as FIGS. Further, differences from the first embodiment will be described.
[0087]
The belt TB7 rotated by the motor M6 rotates the driving roller 22A via TB8 and TB9. Further, the belt TB8 rotates the drive roller 23A via the TB10. On the other hand, the belt TB7 rotates the drive roller 24A via TB11 and TB12. Further, the belt TB11 rotates the driving roller 25A via the TB13. Thus, the drive rollers 22A, 23A, 24A, and 25A are simultaneously rotated in the same speed and in the same direction.
[0088]
The motor M7 rotates the disc 201 having the eccentric pin 202 via the gear train, circularly moves the eccentric pin 202, and swings the long connecting rod (crank) 203 connected to the eccentric pin 202. The shafts 22C, 23C, 24C, 25C implanted in the connecting rod 203 are connected to the swing plates 22D, 23D, 24D, 25D, respectively.
[0089]
The swing plate 22D is supported so as to be swingable about the support shaft 22E. The drive roller support plate 22G that rotatably supports the drive roller 22A is oscillated about the support shaft 22H, is urged by a spring 22J, and presses the drive roller 22A against the driven roller 22B installed at a fixed position. is doing.
[0090]
When the connecting rod 203 performs a crank movement in the direction of the arrow shown in the drawing, the swing plate 22D swings around the support shaft 22E in the clockwise direction shown in the drawing. The pin 22F implanted at the end of the swing plate 22D swings the drive roller support plate 22G counterclockwise, and separates the drive roller 22A from the clamping position with the driven roller 22B.
[0091]
The pressing and releasing mechanisms of the driving rollers 23A, 24A, and 25A have the same configuration as that of the driving roller 22A.
[0092]
The motor M7 clamps the drive roller 23A with the driven roller 23B against the spring bias through the connecting rod 203, the shaft 23C, the swing plate 23D, and the drive roller support plate 23G simultaneously with the pressing of the drive roller 22A. Separate from position. Similarly, the motor M7 moves the drive roller 24A away from the nipping position with the driven roller 24B, and simultaneously moves the drive roller 25A away from the nipping position with the driven roller 25B.
[0093]
FIG. 13 is a cross-sectional view of the transport roller disposed in the paper direction changing device 20.
Since the transport rollers 22 to 25 have the same configuration, the transport roller 22 will be described below as a representative.
[0094]
The paper transport path 21 of the paper direction changing device 20 is formed by a lower guide plate 211 and an upper guide plate 212. The outer peripheral portion of the driven roller (upper roller) 22B protrudes from a hole formed in the upper guide plate 212. The protrusion amount Δ2 at which the outer peripheral surface of the driven roller 22B protrudes from the sheet conveyance guide surface on the lower surface side of the upper guide plate 212 is very small, for example, set to 1 mm.
[0095]
The outer peripheral portion of the driven roller 22B is molded from a hard material such as polyacetal (POM), and the sheet conveying surface is formed as a smooth surface. A frustoconical inclined surface c is formed at the end of the paper transport surface of the driven roller 22B.
[0096]
The outer peripheral portion of the drive roller 22A (lower roller) protrudes into the hole formed in the lower guide plate 211, and is pressed against and released from the driven roller 22B. The driving roller 22A can be retracted downward from the pressure contact position with the driven roller 22B at the fixed position by the motor M7 shown in FIG.
[0097]
The sheet conveying surface portion on the outer peripheral portion of the driving roller 22A is formed of an elastic material such as ethylene-propylene rubber (EPDM).
[0098]
FIG. 13A shows a state where the driving roller 22A is pressure-bonded to the driven roller 22B. The paper S is sandwiched and transported in the pressure-bonded state.
[0099]
FIG. 13B shows a released state in which the driving roller 22A is moved downward and separated from the driven roller 22B. In this released state, the sheet rotation means 26 shown in FIG. During the rotation of the sheet, the driving roller 22A is retracted below the sheet conveying surface of the lower guide plate 211.
[0100]
Further, since the paper transport surface of the driven roller 22B is formed as a smooth surface by a hard material, the paper S contacts the paper transport surface of the driven roller 22B and smoothly rotates 90 degrees in the horizontal direction. Further, the protrusion Δ2 from the lower surface of the upper guide plate 212 of the driven roller 22B is small, and the corner portion of the driven roller 22B is formed by the truncated cone-shaped inclined surface c formed at the end of the paper conveying surface of the driven roller 22B. The sheet S is placed on the sheet conveying surface of the driven roller 22B and smoothly rotated 90 degrees in the horizontal direction.
[0101]
(Third form of implementationState, draftElevating drive of inner plate and driven roller)
FIG. 14 is a front sectional view showing a third embodiment of the paper direction changing device 20 of the present invention. FIG. 15 is a side sectional view of the conveying roller 22 and the driving means. In addition, about the code | symbol used in drawing, the same code | symbol is attached | subjected to the part which has the same function as FIGS. Further, differences from the first and second embodiments will be described.
[0102]
The sheet direction changing device 20 can be moved up and down by integrally forming a sheet conveyance guide member including a lower guide plate 211 and an upper guide plate 212 and a driven roller (upper roller) 22B biased by a spring 22K. The sheet conveying guide member is moved in response to the pressure bonding and release between the driving roller 22A and the driven roller 22B.
[0103]
The motor M1 rotates the driving roller 25A and the driving roller 24A via the belt TB1, rotates the driving roller 23A via the belt TB2, and further rotates the driving roller 22A via the belt TB3.
[0104]
The motor M8 rotates the disc 201F via the gear train and causes the eccentric pin 202F to make a circular motion. The distal end portion of the connecting rod 203F connected to the eccentric pin 202F is connected to the vicinity of the distal end portion of the shaft 204 to move the shaft 204. A roller 205F rotatably supported at the tip of the shaft 204 is movable by being fitted in a guide groove 207 formed in the vertical direction of the front panel 206F of the apparatus main body.
[0105]
The roller 205R rotatably supported at the rear end portion of the shaft 204 can be fitted and moved in a guide groove 207 formed in the vertical direction on the rear panel 206R of the apparatus main body. The vicinity of the rear end portion of the shaft 204 is fitted to the distal end portion of a connecting rod 203R connected to an eccentric pin 202R planted on the disc 201R.
[0106]
The disk 201F is rotated by the drive rotation of the motor M8, and the connecting rod 203F moves the shaft 204 up and down in the direction in which the guide groove 207 is formed. At the same time, the rear end portion on the rear panel 206R side of the shaft 204 is also lifted and lowered while being supported by the guide groove 207, the connecting rod 203R, the eccentric pin 202R, and the disc 201R.
[0107]
The lower guide plate 211 that supports and integrates the shaft 204 is moved up and down by the lifting and lowering driving of the shaft 204 by the drive rotation of the motor M8. An upper guide plate 212 that is fixed to the lower guide plate 211 and that forms a sheet conveyance path 21 while maintaining a predetermined gap moves up and down together with the lower guide plate 211. The driven roller 22B having the driven roller shaft 212 supported by the upper guide plate 212 also moves up and down together with the upper guide plate 212. The driven rollers 23B, 24B, and 25B supported by the upper guide plate 212 also move up and down together with the upper guide plate 212.
[0108]
FIG. 16 is a cross-sectional view of the conveyance roller disposed in the paper direction changing device 20.
Since the transport rollers 22 to 25 have the same configuration, the transport roller 22 will be described below as a representative.
[0109]
The paper transport path 21 of the paper direction changing device 20 is formed by a lower guide plate 211 and an upper guide plate 212. The outer peripheral portion of the driven roller (upper roller) 22B protrudes from a hole formed in the upper guide plate 212. The protrusion amount Δ3 at which the outer peripheral surface of the driven roller 22B protrudes from the sheet conveyance guide surface on the lower surface side of the upper guide plate 212 is very small, for example, set to 1 mm or less.
[0110]
The outer peripheral portion of the driven roller 22B is molded from a hard material such as polyacetal (POM), and the sheet conveying surface is formed as a smooth surface. A frustoconical inclined surface c is formed at the end of the paper transport surface of the driven roller 22B.
[0111]
The outer peripheral portion of the drive roller 22A (lower roller) protrudes into a hole formed in the lower guide plate 211, and can be pressed against and released from the driven roller 22B. The driven roller 22B, the upper guide plate 212, and the lower guide plate 211 can be retracted upward from the pressure contact position with the drive roller 22A at the fixed position by the motor M8 shown in FIG.
[0112]
The sheet conveying surface portion on the outer peripheral portion of the driving roller 22A is formed of an elastic material such as ethylene-propylene rubber (EPDM).
[0113]
FIG. 16A shows a state where the driven roller 22B is pressure-bonded. The paper S is sandwiched and conveyed in this crimped state.
[0114]
FIG. 16B shows a released state where the integrated driven roller 22B, upper guide plate 212, and lower guide plate 211 are moved upward and separated from the drive roller 22A. In this released state, the sheet rotation means 26 shown in FIG. When the sheet rotates, the driving roller 22A sinks below the sheet conveying surface of the lower guide plate 211, and the lower surface side of the sheet S is in sliding contact with the upper surface of the lower guide plate 211.
[0115]
Further, since the paper transport surface of the driven roller 22B is formed as a smooth surface by a hard material, the paper S contacts the paper transport surface of the driven roller 22B and smoothly rotates 90 degrees in the horizontal direction. Further, the amount of protrusion Δ2 from the lower surface of the upper guide plate 212 of the driven roller 22B is small, and the sheet S is driven by the driven roller 22B by the truncated cone-shaped inclined surface c formed at the end of the sheet conveying surface of the driven roller 22B. Even if it is slidably contacted on the sheet conveying surface, the corner of the driven roller 22B is not caught and is smoothly rotated 90 degrees in the horizontal direction.
[0116]
The gluing bookbinding apparatus C of the present invention is connected to an image forming apparatus such as a copying machine, a printer, or a complex machine thereof. Desired digital processing is performed by the image forming apparatus. After processing such as single-sided recording, double-sided recording, and page editing, the discharged paper is covered and glued by the image forming apparatus provided with the glue binding apparatus C of the present invention. Processing is performed accurately and efficiently, and bookbinding is performed.
[0117]
It is also possible to form the gluing bookbinding apparatus C of the present invention in an independent apparatus and perform gluing and bookbinding on a sheet processed by another image forming apparatus.
[0118]
【The invention's effect】
As is apparent from the above description, the following effects can be achieved by the paper direction changing device, the gluing bookbinding device, and the image forming device of the present invention.
[0119]
(1) Claims 1 to 1 of the present invention16According to any one of the paper orientation conversion apparatuses, it is possible to simultaneously perform paper rotation and shift processing with one apparatus, and the entire apparatus can be configured compactly. In addition, the shift operation can be minimized, and the paper can be processed at high speed. Furthermore, since the shift amount is not limited by the paper length, the edge portions of the paper having different sizes can be aligned at a certain position.
[0120]
(2)Also,Claims of the invention1-16With the paper direction changing device according to any one of the above, the paper conveyance failure and paper damage caused by the paper being caught on the driving roller, the driven roller, and the guide plate during the paper rotation process are prevented, and good paper conveyance is achieved. Thus, paper rotation, paper shift, etc. can be achieved, and the mechanism can be simplified.
[0121]
(3) Claims of the present invention17The gluing bookbinding apparatus described in (1) makes it possible to reduce the size of the gluing bookbinding apparatus including a paper direction changing device, a paper transport device, a glue applying device, a paper storage unit, a pressure unit, and a paper discharge unit.
[0122]
(4) Claims of the present invention18By connecting a gluing bookbinding device to the image forming apparatus described in the above, direction conversion processing and glue application processing are continuously performed on paper carried out from the image forming device at high speed, and bookbinding processing is automatically performed. It is possible to do.
[Brief description of the drawings]
FIG. 1 is an overall configuration diagram of an image forming system including an image forming apparatus, an automatic document feeder, and a glue binding apparatus.
FIG. 2 is a configuration diagram illustrating a sheet conveyance path of a gluing bookbinding apparatus.
FIG. 3 is a schematic diagram illustrating a process for pasting and binding a sheet.
FIG. 4 is a perspective view showing positions where glue is applied to various types of paper.
FIG. 5 is a cross-sectional view of a paper direction changing device.
FIG. 6 is a plan view of the paper direction changing device.
FIG. 7 is a cross-sectional view of a paper direction conversion device.
FIG. 8 is a schematic diagram illustrating a conventional paper direction conversion method.
FIG. 9 is a schematic diagram showing a process of changing the direction of a vertically long sheet by the sheet direction changing device of the present invention.
FIG. 10 is a schematic diagram showing a process of changing the direction of landscape paper by the paper direction changing device of the present invention.
FIG. 11 is a cross-sectional view of a conveyance roller disposed in the paper direction conversion device.
FIG. 12 is a cross-sectional view showing a second embodiment of the paper direction changing apparatus of the present invention.
FIG. 13 is a cross-sectional view of a conveyance roller disposed in a paper direction changing device.
FIG. 14 is a front sectional view showing a third embodiment of the paper direction changing device of the invention.
FIG. 15 is a side sectional view of a conveying roller and a driving unit.
FIG. 16 is a cross-sectional view of a conveyance roller disposed in the paper direction conversion device.
[Explanation of symbols]
20 Paper direction changing device
21 Paper transport path
211 Lower guide plate (paper conveyance guide member)
212 Upper guide plate (paper transport guide member)
22, 23, 24, 25 Transport roller
22A, 23A, 24A, 25A Drive roller (lower roller)
22B, 23B, 24B, 25B Followed roller (upper roller)
26 Paper rotation means
261 Lower rotating disk
262 Upper rotating disk
263 Lower moving body
H.264 Upper moving body
27A, 27B Conveying roller
280 disc
29 Moving means
30 Bending deviation correction means (correction means)
40 Glue application means
41 Glue discharge means
50 Alignment pressurizing means
A Image forming device body
C Glue binding device
S, Sa, Sb paper
Δ1, Δ2, Δ3 Protrusion

Claims (18)

A transport path through which the paper is transported based on the center,
A conveyance roller comprising a driving roller and a driven roller for nipping and conveying the paper in the conveyance path;
A sheet rotating means for rotating the sheet 90 degrees in the horizontal plane with respect to the conveying direction by sandwiching and rotating the sheet conveyed by the conveying roller ; and
Wherein moving the center of rotation of the paper rotating means, to convert the conveyance of the one-side reference from the transport of the center reference have a moving means for positioning the sheets,
A paper direction changing device , wherein a paper conveying surface of the driving roller is formed of a hard material, and a paper conveying surface of a driven roller that can be pressed against and released from the driving roller is formed of an elastic material .   2. The paper direction according to claim 1, wherein the paper rotation unit has a pair of rotating disks capable of pinching and releasing the paper and capable of rotating by 90 degrees in a horizontal direction with respect to the paper conveyance direction by a rotation shaft. Conversion device.   The paper stopping position is shifted in accordance with the size of the paper carried into the paper direction changing device, and the moving means shifts the rotation center of the paper rotating means in accordance with the paper size. The sheet direction changing apparatus according to 1 or 2. Said moving means, said in response to the size of the sheets to be conveyed in the sheet direction changing device to stand by moving the paper rotating means in a predetermined position, after the sheet is stopped at a predetermined stop position, the paper direction changing device according to any one of claims 1 to 3, characterized in that redirecting rotated 90 degrees by sandwiching the paper by the paper rotating means. The sheet transport guide member comprising a pair of upper and lower guide plates sheet conveyed by the conveying roller to hold a predetermined gap passable installed, the outer peripheral surface of the drive roller, one of the guide of the paper conveying guide member The sheet direction changing device according to claim 1, wherein the sheet direction changing apparatus is slightly protruded from a sheet conveying surface of the plate. Paper direction changing device according to any one of claims 1 to 5, characterized in that a sloping surface on the end portion of the sheet conveyance surface of the drive roller. A transport path through which the paper is transported based on the center,
A conveyance roller comprising a driving roller and a driven roller for nipping and conveying the paper in the conveyance path;
A sheet rotating means for rotating the sheet 90 degrees in the horizontal plane with respect to the conveying direction by sandwiching and rotating the sheet conveyed by the conveying roller; and
Moving means for moving the rotation center of the paper rotation means, and converting the center reference conveyance to one-side reference conveyance to position the paper;
The driven roller having a paper conveying surface formed of a hard material is rotatably supported at a predetermined position in the paper conveying path,
Pressing said drive roller formed of an elastic material sheet conveyance surface to said driven roller, releasably supporting features and to that for feed direction converting device that was. 8. The sheet direction according to claim 7, wherein the sheet rotating means has a pair of rotating disks capable of holding and releasing the sheet and capable of rotating by 90 degrees horizontally with respect to the sheet conveying direction by a rotation shaft. Conversion device. The paper stopping position is shifted in accordance with the size of the paper carried into the paper direction changing device, and the moving means shifts the rotation center of the paper rotating means in accordance with the paper size. The sheet direction changing device according to 7 or 8. The moving means moves the paper rotating means to a predetermined position corresponding to the size of the paper carried into the paper direction changing device and waits, and after the paper is stopped at a predetermined stop position, the paper The paper direction changing device according to any one of claims 7 to 9, wherein the direction is changed by holding the paper by a rotating means and rotating the paper by 90 degrees. A paper transport guide member comprising a pair of upper and lower guide plates that hold a predetermined gap through which the paper transported by the transport roller can pass is installed, and the outer peripheral surface of the driven roller is placed on one guide of the paper transport guide member The paper direction changing device according to claim 7, wherein the paper direction changing device is slightly protruded from a paper conveyance surface of the plate. The sheet direction changing device according to any one of claims 7 to 11, wherein an inclined surface is provided at an end portion of the sheet conveying surface of the driven roller. A transport path through which the paper is transported based on the center,
A conveyance roller comprising a driving roller and a driven roller for nipping and conveying the paper in the conveyance path;
A paper transport guide member comprising a pair of upper and lower guide plates holding a predetermined gap through which the paper transported by the transport roller can pass;
A sheet rotating means for rotating the sheet 90 degrees in the horizontal plane with respect to the conveying direction by sandwiching and rotating the sheet conveyed by the conveying roller; and
Moving means for moving the rotation center of the paper rotation means, and converting the center reference conveyance to one-side reference conveyance to position the paper;
Allowing movement between the driven roller and the sheet transport guide member is integrally formed, pressure contact between the drive roller and the driven roller, in response to the release, you and moving the sheet conveying guide member paper redirecting device. 14. The sheet direction according to claim 13, wherein the sheet rotating means has a pair of rotating disks capable of pinching and releasing the sheet and capable of rotating by 90 degrees horizontally with respect to the sheet conveying direction by a rotation shaft. Conversion device. The paper stopping position is shifted according to the size of the paper carried into the paper direction changing device, and the moving means shifts the rotation center of the paper rotating means according to the paper size. Item 15. The sheet direction changing device according to Item 13 or 14. The moving means moves the paper rotating means to a predetermined position corresponding to the size of the paper carried into the paper direction changing device and waits, and after the paper is stopped at a predetermined stop position, the paper The paper direction changing device according to any one of claims 13 to 15, wherein the direction is changed by holding the paper by a rotating means and rotating it 90 degrees. A paper direction changing device according to any one of claims 1 to 16 ,
A glue application device for applying glue to the side edge of the direction-changed paper;
Storage means for aligning and storing a plurality of sheets subjected to glue application;
Pressurizing means for pressurizing a plurality of aligned sheets;
A paper discharge means for discharging and stacking the booklet produced by the gluing process;
A gluing bookbinding apparatus characterized by comprising: An image forming apparatus comprising: an image forming apparatus main body comprising an image writing means, an image forming means, a paper feed / conveying means, and a fixing means; and the gluing bookbinding apparatus according to claim 17 .

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