CN102275767B - Paper folding device and paper post-processing device using the paper folding device - Google Patents

Paper folding device and paper post-processing device using the paper folding device Download PDF

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Publication number
CN102275767B
CN102275767B CN201110120572.XA CN201110120572A CN102275767B CN 102275767 B CN102275767 B CN 102275767B CN 201110120572 A CN201110120572 A CN 201110120572A CN 102275767 B CN102275767 B CN 102275767B
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paper
roller
folding
kink
forms
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CN102275767A (en
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细谷久男
清水聪
萱场禅
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Konica Minolta Inc
Konica Minolta Business Technologies Inc
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Konica Minolta Inc
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Abstract

The invention provides a paper folding device and a paper post-processing device using the paper folding device. A cover part (56) is applied for covering the upstream side of the rotating directions of a third roller (55) gap part. Then, by means of the cover part (56), a bending part guiding paper towards the roller gap part of a second folding roller pair is delayed. The first folding roller pair is applied for conveying paper. A second bending part (SB) is formed on the paper. The second bending part (SB) is applied for preventing the paper located on the front of a first crease from being opened. In this way, no matter what the paper is made or how thick the paper is, the paper folding device can practically performing folding treatment in a prescribed position. Meanwhile, the paper folding device can stably perform folding treatment for long.

Description

Paper folding apparatus and use the sheet post-process apparatus of this paper folding apparatus
Technical field
The present invention relates to a kind of paper folding apparatus and use the sheet post-process apparatus of this paper folding apparatus, more specifically, relate to and a kind ofly can carry out two foldings of paper or the paper folding apparatus of three folding processing and use the sheet post-process apparatus of this paper folding apparatus.
Background technology
At present, can carry out two foldings of paper or the paper folding apparatus of three folding processing is well-known, for example, be used in combination as the after-treatment device of the image processing system such as duplicator or chopping machine.This after-treatment device is the paper of discharging from image processing system rear discharge such as folding processing assigned position carries out, thereby after image forms, do not need to carry out paper folding operation, minimizing time and labour.
For example, a kind of sheet post-process apparatus is disclosed in patent documentation 1, its be included in the first folding roller of forming the first folding line on sheet material to and form the second folding roller pair of the second folding line, wherein, by the throughput direction front end of sheet material and the first stop member butt, on sheet material, form kink, the kink of formation is directed between the right roll gap of the first folding roller, form the first folding line, then, by the first folding line and the second stop member butt that form, on sheet material, form kink, the kink of formation is directed between the right roll gap of the second folding roller, form the second folding line, the first stop member and the second stop member move freely on throughput direction.
Patent documentation 1:(Japan) JP 2006-213473 communique
But, utilize transport path shape restriction sheet material bending and control in the method for folding line position of sheet material, due to the material of sheet material or thickness, curling state etc., sometimes can not form folding line in the position of regulation effectively.And, if strengthen the restriction of the bending of transport path to sheet material, can produce the defect such as transportation performance reduction, sheet material obstruction to sheet material.
Summary of the invention
The present invention makes in view of the problems referred to above in paper folding apparatus, its object is to provide a kind of paper folding apparatus and sheet post-process apparatus, no matter how are material or the thickness etc. of this paper folding apparatus sheet material, can both fold effectively processing in the position of regulation.
The invention provides a kind of paper folding apparatus, comprise, on paper, form the first folding roller pair of the first folding line; On paper, form the second folding roller pair of the second folding line; The throughput direction front end butt of the paper of coming with conveying the first block component positioning; With the first folding line butt of paper the second block component that paper is positioned, the throughput direction front end of paper is connected on the first block component, determine the predetermined formation position of the first folding line of paper, by the predetermined formation location guide of the first folding line to the right roll gap portion of the first folding roller, on paper, form the first folding line, then, make the first folding line and the second block component butt of paper, on paper, form kink, the kink of formation is directed to the right roll gap portion of the second folding roller, on paper, forms the second folding line; Wherein, also comprise cap assembly, this cap assembly covers hand of rotation upstream side roller, roll gap portion that forms the second right block component side of the second folding roller, utilize described cap assembly, postpone the described kink of the roll gap portion guiding paper right to the second folding roller, and, continue to utilize the first folding roller to form the second kink to conveyance of sheets and on paper, and utilize the second kink, rejection ratio the first folding line to be positioned at the opening of paper (with paper Open I) of front.
Here, from the angle that the assigned position at paper carries out the second folding processing more effectively, preferably, centered by the axle of described roller, the roll gap portion that the second folding roller is right and the front end angulation of described cap assembly are in the scope of 25 °~35 °.
And, preferably make the surface friction drag of described roller less than the surface friction drag that forms another right roller of the second folding roller.
Moreover, as described roller, preferably adopt in the structure axially with large-diameter portion and minor diameter part.
And from the angle that the assigned position at paper carries out the second folding processing more effectively, the process preferably also arranging form kink on paper is assisted, and kink is directed to the paper pressing mechanism of the right roll gap portion of the second folding roller.
Even from forming the powerful angle that also can not be out of shape and can fold steadily in the long term processing, preferred described paper pressing mechanism comprises bar-like member and support unit, and described support unit makes the length direction of described bar-like member remain on approximate horizontal state the described bar-like member of suspention supporting swingably.And preferred described paper pressing mechanism uses the chip part of tubular as described support unit, insert girth than the bar-like member of all length of chip part in the inner side of this chip part.
Preferred described paper pressing mechanism is assisted the process that forms kink on paper by deadweight, and kink is directed to the right roll gap portion of the second folding roller.
Preferably the first folding roller is to being made up of the first roller and second roller, and the second folding roller is to being made up of second roller and the 3rd roller.
And, the invention provides a kind of sheet post-process apparatus, it is characterized in that thering is paper folding apparatus as above.
In paper folding apparatus of the present invention and sheet post-process apparatus, no matter material or the thickness etc. of paper how, all can fold processing at assigned position effectively.
And, paper pressing mechanism by bar-like member and by the length direction of described bar-like member remain on approximate horizontal state and swingably the support unit of the described bar-like member of suspention supporting form, in the time of handling of paper obstruction etc., even paper pressing mechanism is formed to brute force, also can not be out of shape, can fold steadily in the long term processing.
Brief description of the drawings
Fig. 1 is the overall diagram that represents to be equipped with the sheet post-process apparatus of paper folding apparatus of the present invention and the example of image processing system.
Fig. 2 is the synoptic map that represents the example of paper folding apparatus of the present invention.
Fig. 3 is the partial enlarged drawing of the surrounding of the 3rd roller of Fig. 2.
Fig. 4 is constitution diagram when paper is carried out to three foldings processing.
Fig. 5 is the block diagram that represents the example of the 3rd roller.
Fig. 6 is the partial enlarged drawing of the surrounding of the paper pressing mechanism of Fig. 2.
Fig. 7 (a)~(c) carries out the diagram of circuit of eighty percent discount while processing to paper.
Fig. 8 (a)~(c) carries out the diagram of circuit of three foldings while processing to paper.
Fig. 9 (d)~(e) carries out the diagram of circuit of three foldings while processing to paper.
The explanation of Reference numeral
A image processing system
S paper
FS after-treatment device
SB the second kink
50 folding handling parts
52 paper folding boards (paper foldling mechanism)
51C the first block component
53 first rollers
54 second rollers
55 the 3rd rollers
56 cap assemblies
57 transport path switching parts
59 paper pressing mechanisms
561 base portions
562 front portions
563 front ends
581 second block components
591 chip parts (support unit)
592 bar-like members
594 fulcrums
Detailed description of the invention
Below, based on accompanying drawing, paper folding apparatus of the present invention and sheet post-process apparatus are described in more detail.The present invention is not limited to these embodiments completely.
Fig. 1 is the synoptic map that represents an example of image processing system A and sheet post-process apparatus FS.Image processing system A comprises: image reading unit 1, image processing part 2, image write section 3, image forming part 4, sheet feed cassette 5, paper-feeding mechanism 6, fixing device 7, ADF portion 8 and automatic double-sided copying sheet feed section (ADU) 9.Be equipped with automatic document feeder DF on the top of image processing system A.ADF portion 8 sides at the sidepiece of image processing system A are connected with sheet post-process apparatus FS.
Carry the original copy on the document board that is positioned in automatic document feeder DF along the direction of arrow, and read the image of the single or double of original copy by the optical system of image reading unit 1, and read in ccd image sensor 1A.Analog signal by ccd image sensor opto-electronic conversion carries out, after analog processing, A/D conversion, Image Speckle (シ エ mono-デ イ Application グ) adjustment, image Compression etc., being admitted to image write section 3 at image processing part 2.
Carry out the processing such as charged, exposure, development, transfer printing, separation, cleaning at image forming part 4.Particularly, semiconductor laser, by after charged mechanism uniform charged, according to graphicinformation, is irradiated in photosensitive drums 4A surface from image write section 3 to photosensitive drums 4A, form electrostatic latent image on photosensitive drums 4A surface.Then, by imaging mechanism to electrostatic latent image supply with toner and visual after, on the paper S1 being supplied with from sheet feed cassette 5 by paper-feeding mechanism 6, by transfer means 4B transfer printing toner image.The paper S1 that transfer printing has a toner image is heated at fixing device 7, pressurization and on paper S1 fusing toner picture, this paper S is sent into sheet post-process apparatus FS from ADF portion 8.
In addition, while forming image on the two sides of paper S1, the paper S1 that is formed with image at the one side of paper is transferred path switch boards 8A and is transported to ADU9, and again carries out, after the transfer printing, photographic fixing of the toner image at the back side, discharging from ADF portion 8 at image forming part 4.
The sheet post-process apparatus FS that is connected to image processing system A has: paper input part 10, insert paper sheet feed section 20a, 20b, punching handling part 30, overlapping handling part 40, folding handling part 50, bookbinding handling part 71,72, ADF portion 80.
Inserting filling insertion paper S2 in paper sheet feed section 20a, in insertion paper sheet feed section 20b, load other insertion paper S3.Inserting paper S2, S3 is be inserted into the front cover paper the paper S1 discharging from image processing system A or insert the insertion paper such as paper, identical with paper S1, is that punching is processed or the folding object of processing.The insertion paper S2, the S3 that send from insertion paper sheet feed section 20a, 20b are transported to paper input part 10 via downward transport path (without reference numbers).In addition, in explanation below, paper S1, insertion paper S2, S3 are referred to as to paper S.
At paper input part 10 configuration punching handling parts 30, here, in the assigned position punching of paper S.Folding handling part 50 is configured in from paper input part 10 downwards the transport path H1 of branch, overlapping handling part 40 is configured in from the paper input part 10 sheet transport direction downstream of the transport path H2 of branch upward, has separated from one another and forms inner side transport path H4 and outside transport path H3, the H5 of dual bending.
Be positioned at the bookbinding handling part 71 in sheet transport direction downstream, binding the time of processing in order to ensure the paper S in advance, overlapping handling part 40 makes follow-up paper S wait at transport path H3 and transport path H4, H5.Specifically, be provided with conveying roller 21 at the discharge orifice of transport path H4, carry while coming binding first the paper S processing, stop the rotation of conveying roller 21, and wait for top of form is connected under the state on conveying roller 21.On the other hand, follow-up paper S is delivered to transport path H3, H5 from transport path H2, and arrives conveying roller 21.Subsequently, under paper S in advance and the overlapping state of follow-up paper S, be transported to stow portion 70 from conveying roller 21 together by two.
Transport path H3 is branched off into transport path H5 and transport path H6, and transport path H6 is the ADF path that arrives discharge tray 81.
ADF portion 80 has exit roller to 22 and registration mechanism.Exit roller separates when the non-ADF 22, contacts clamping conveyance of sheets S and be expelled to lifting tray 82 in the time of ADF.Though not shown, registration mechanism is discharged and is come and gone mobilely in the vertical direction of direction and horizontal direction at paper, and paper is alignd at Width, adopts current known structure.
Although, the paper S carrying by conveying roller 21 to exit roller to 22 conveyings, but, as previously mentioned, because exit roller separates when the non-ADF 22, therefore, in the time that conveying roller 21 is left in the rear end of paper S, paper S falls to stow portion 70, and along stow portion 70 landings of tilting, and blocked by block (not shown), thereby stow is in stow portion 70.
In the time setting the paper S stow of number of pages in stow portion 70, bind handling part 71 and move, paper S is bound to processing.Bind paper S after treatment and raised by block, and mobile to 22 direction (graphic upper left side) to exit roller in stow portion 70.Now, exit roller is to 22 crimping and clamp paper S, and paper S is discharged to lifting tray 82.
Then, the folding mode to paper S and middle stapling mode describe.In folding mode, paper S carries downwards along transport path H1 from paper sheet delivery portion 10, is folded in half or three folding processing, and discharges to bottom discharge tray 83 at folding handling part 50.On the other hand, at middle stapling mode, paper S carries from paper input part 10 along transport path H1, after bookbinding handling part 72 is processed by middle bookbinding, is folded in half processing, and discharges to bottom discharge tray 83 at folding handling part 50.
As mentioned above, following four kinds of paths are summed up in the ADF path of paper S.
(1) paper input part 10 → transport path H2 → transport path H3 → transport path H6 → discharge tray 81
(2) paper input part 10 → transport path H2 → transport path H3, H4,70 → ADF portion of H5 → stow portion, 80 → lifting tray 82
(3) paper input part 10 → transport path H2 → transport path H4 → ADF portion 80 → lifting tray 82
(4) paper input part 10 → transport path H1 → folding handling part 50 → bottom discharge tray 83
In addition, not binding and process or folding processing in ADF path (3), is the ADF path of selecting in the time forming great amount of images.As shown in the dotted line of figure, lifting tray 82 decline downwards so that the top of the paper S discharging always in certain altitude.Like this, just can thousands of paper of stow on lifting tray 82.
Fig. 2 represents the synoptic map of folding handling part 50.Folding handling part 50 has the first block 51C, paper folding board (paper foldling mechanism) 52, the first roller 53, second roller 54, the 3rd roller 55, transport path switching part 57, directing plate 58, the second block 581 and paper pressing mechanism 59, carries out eighty percent discount or the three folding processing of paper.In addition, in this embodiment, the first roller 53 and second roller 54 form the first folding roller pair, and second roller 54 and the 3rd roller 55 form the second folding roller pair., the first folding roller to the second folding roller to share second roller 54.So just can reduce number of components, the miniaturization and of implement device.Certainly, also can be respectively by different rollers form the first folding roller to the second folding roller pair.
Transport path H1 is made up of directing plate 51A and directing plate 51B, is provided with the first block 51C of the position of restriction paper S in the sheet transport direction downstream of transport path H1.The sheet transport direction front end butt of the first block 51C and paper S also specifies the first folding line position of paper S, according to the formation position of antiquarian and the first folding line, moves to sheet transport direction and opposite sense.
Across the transport path H1 position relative with roll gap portion between the first roller 53 and second roller 54, be provided with relative transport path H1 paper folding board 52 free to advance or retreat.Paper folding board 52 is usually located at the position of avoiding transport path H1, can not hinder the movement of carrying the paper S coming from transport path H1.In the time that the assigned position that is limited the paper S of position by the first block 51C forms the first folding line, paper folding board 52 is outstanding to the direction of the roll gap portion between the first roller 53 and second roller 54 by not shown drive source.Like this, the assigned position of paper S is directed into the roll gap portion between the first roller 53 and second roller 54, and on paper S, forms the first folding line.
Carry out crimping by not shown force application mechanism to forming the first right roller 53 of the first folding roller and second roller 54, at least one roller rotarilys actuate along the direction of arrow of figure.The outer peripheral face of the first roller 53 and second roller 54 has respectively high friction drag.
The transport path switching part 57 that setting can swing by screw actuator SD.In the time paper S being carried out to three foldings processing, transport path switching part 57 is positioned at the position shown in solid line, and paper S is directed to the transport path H10 being formed by directing plate 58.On the other hand, paper S is being carried out to eighty percent discount, that is, when doubling and middle bookbinding, doubling are processed, transport path switching part 57 swings along the anticlockwise direction in figure, and paper S is directed to transport path H11 and is transported to discharge orifice E1.
Transport path H10 is formed as intersecting with respect to the straight line vertical with the straight line of the centre of gration of second roller 54 with the centre of gration that is connected the first roller 53.So just on the paper S that is transported to transport path H10, form kink.And, in transport path H10, be provided with the second block 581.This second block 581 props up the first folding line of paper S and form kink in paper S, moves to sheet transport direction and opposite sense according to the formation position of the second folding line.
Make to form the right second roller of the second folding roller 54 and the mutual crimping of the 3rd roller 55 by not shown force application mechanism, at least one roller rotarilys actuate along the direction of arrow in figure.Here, as described later, from be easy to form the angle of kink among paper S, preferably the surface friction drag of the 3rd roller 55 is less than the surface friction drag of second roller 54.
Fig. 3 represents near the enlarged drawing the 3rd roller 55.In addition, for ease of understanding, omitted in the figure paper pressing mechanism 59 described later.As shown in the drawing, in paper folding apparatus of the present invention, covered the hand of rotation upstream side of roll gap portion of the 3rd roller by cap assembly 56 until the part of adjacent nip portion.Like this, as shown in Figure 4, the second folding line predetermined portions of paper S will be postponed and be entered the right roll gap portion of the second folding roller, forms effectively the second kink SB in paper, is positioned at the opening of paper of front by second kink rejection ratio the first folding line.Here, centered by the axle of the 3rd roller 55, preferably the front end 563 of cap assembly 56 and the angulation θ of roll gap portion are in the scope of 25 °~35 °.In addition, in one end of angle θ, that is, when roll gap portion is grown at Width, the cardinal extremity using the Width central portion of roll gap portion as angle θ.If 25 ° of described angle θ less thaies, the second folding line predetermined portions of paper S may not can successfully enters the second folding roller pair, can not form the second folding line at assigned position.On the other hand, if described angle θ exceedes 35 °, the second kink SB may be on paper S just can not formed fully, the opening of paper of front can not be positioned at by second kink SB rejection ratio the first folding line.
In Fig. 3, the base portion 561 of cap assembly 56 and anterior 562 is " ヘ " word shape ground and engages.And the friction drag of front portion 562 that contact with paper S, cap assembly 56 is larger than the surface friction drag of the 3rd roller 55.The the second folding line predetermined portions that so just can effectively postpone paper S enters the right roll gap portion of the second folding roller, forms effectively the second kink SB on paper S.As anterior 562 material, for example, can be the resin films such as polyethylene terephthalate (PET) film.Base portion 561 and anterior 562 both can split manufacture joint, also can be integrally formed.
On the other hand, although the shape of the 3rd roller 55 is not particularly limited,, preferably large-diameter portion 551 and the minor diameter part 552 shown in Fig. 5 axially replacing round shape.So just can further reduce the surface friction drag of the 3rd roller 55, the second folding line predetermined portions that can more effectively postpone paper S enters the right roll gap portion of the second folding roller.
The sheet transport direction downstream of the roll gap portion between the first roller 53 and second roller 54, the sheet transport direction upstream side of the roll gap portion between second roller 54 and the 3rd roller 55, is provided with paper pressing mechanism 59.Fig. 6 represents near enlarged drawing paper pressing component 59.Paper pressing mechanism 59 has as the bar-like member 592 in the chip part 591 of the chip part 591 of the tubular of support unit and insertion tubular.The top of chip part 591 is arranged on matrix 593.And the girth of bar-like member 592 is than all length of chip part 591, bar-like member 592 maintains the mode of general horizontal direction and is suspended in midair by chip part 591 with length direction.Like this, bar-like member 592 and chip part 591 taking and matrix 593 between installation portion freely swing as fulcrum 594.In addition, paper pressing mechanism 59 can be long parts of axial length, also can axially arrange multiple.And, preferred bonding bar-like member 592 and chip part 591.
As the material of bar-like member 592, although can use the current known materials such as resin, rubber, metal,, preferably at least a portion is rigid body and/or elastic body.In the time that paper pressing component 59 is only assisted form the process of kink in paper S by its deadweight, as long as consider kind or the thickness etc. of the weight of bar-like member 592 and the paper S of folded processing, suitably determine the material of bar-like member 592.
Here, from obtain paper pressing mechanism 59, paper S is given prominence to downwards and forms the angle of auxiliaring effect of bending, as shown in Figure 6, the roll gap portion side of the fulcrum 594 that preferably makes paper pressing mechanism 59 between the first roller 53 and the second roller 54 of common tangential L1, this common tangential L1 is the common tangential in the first roller 53 and second roller 54, sheet transport direction downstream; And fulcrum 594 is positioned at the below of line L2, this line L2 is parallel with common tangential the 3rd roller 55, sheet transport direction downstream with second roller 54, and through the center O of the first roller 53.
Under the common state of conveyance of sheets not, as the front position of paper pressing mechanism 59, be preferably placed at the roll gap portion side between second roller 54 and the 3rd roller 55 of second roller 54 and common tangential L3 the 3rd roller 55, sheet transport direction upstream side.And preferably the front end of paper pressing mechanism 59 contacts with second roller 54.
The folding processing of the folding handling part 50 to this structure below describes.Diagram of circuit when Fig. 7 represents paper S to carry out eighty percent discount processing.If the paper S of regulation number of pages is located by the first block 51C (shown in Fig. 2), and at transport path H1 stow, the first roller 53 and second roller 54 rotate, and paper folding board 52 is to the direction outstanding (Fig. 7 (a)) of the roll gap portion between the first roller 53 and second roller 54.Like this, the assigned position of paper S is pushed into the roll gap portion between the first roller 53 and second roller 54, and is clamped, carries by the first roller 53 and second roller 54, thereby on paper S, forms the first folding line (this figure (b)).In addition, in the stage being clamped by the first roller 53 and second roller 54 at paper S, paper folding board 52 moves round about, avoids transport path H1.Then, transport path switching mechanism 57 swings in the counterclockwise direction, stops paper S to enter transport path H10, becomes to the position of transport path H11 guiding paper S.Like this, paper S is directed into transport path H11 (this figure (c)).
Diagram of circuit when Fig. 8 and Fig. 9 represent paper to carry out three foldings processing.Identical while processing with eighty percent discount, if the paper S of regulation number of pages is located by the first block 51C (shown in Fig. 2), and at transport path H1 stow, the first roller 53 and second roller 54 rotate, and paper folding board 52 is to the direction outstanding (Fig. 8 (a)) of the roll gap portion between the first roller 53 and second roller 54.Like this, the assigned position of paper S is pushed into the roll gap portion between the first roller 53 and second roller 54, and is clamped, carries by the first roller 53 and second roller 54, thereby on paper S, forms the first folding line (this figure (b)).
Allow paper S to enter transport path H10, forbid that paper S enters the position of transport path H11 because transport path switching mechanism 57 is positioned at, therefore, paper S is transported to transport path H10 (this figure (c)).Now, paper pressing mechanism 59, rises to sheet transport direction according to mobile paper S centered by fulcrum 594 (shown in Fig. 6).
Then, the first folding line of paper S and the second block 581 (shown in Fig. 2) butt.Then, the second folding line predetermined portions of paper S contacts with cap assembly 56, and postpones and enter the right roll gap portion of the second folding roller, and on the other hand, the first roller 53 and second roller 54 continues rotation, forms like this second kink SB on paper S.Like this, be positioned at the opening of paper (Fig. 9 (d)) of front by second kink SB rejection ratio the first folding line of the paper S forming.Meanwhile, further form downwards the power of bending projectedly to paper S by paper pressing mechanism 59, and the second folding line predetermined portions of paper S is directed into the right roll gap portion of the second folding roller.Although, in the present embodiment, by the deadweight of paper pressing mechanism 59, produce the power that paper S is bent projectedly downwards,, also can in paper pressing mechanism 59, force application mechanism be set, further increase described power.Wherein, the size of force application mechanism applied force is preferably at paper S and is carried while coming by the first roller 53 and second roller 54, and the paper S transporting is lifted paper pressing mechanism 59 to throughput direction.
And in the present invention, paper pressing mechanism 59 is structures of being suspended and supported in midair bar-like member 592 by chip part 591, therefore, in the time of obstruction of handling of paper etc., even if forming brute force to paper pressing mechanism 59 also can not be out of shape, can fold steadily in the long term processing.In addition, for example, the suspention form of the bar-like member 592 that chip part 591 causes can be that one side of chip part 591 is arranged on to matrix 593, relative another side is arranged on to the form of bar-like member 592.And the support unit using in the present invention is not limited to chip part 591, if tape member etc. can swingingly suspend the parts of supporting bar-like member in midair, just can use current known parts.
Then, protrude downwards and the paper S that bends enters the roll gap portion between second roller 54 and the 3rd roller 55, by by these rollers clampings, carry, on paper S, form the second folding line (this figure (e)).By the rotation of second roller 54 and the 3rd roller 55, the paper S that is formed with two folding lines is transported to transport path H12.
In embodiment as above, by paper folding board 52, paper S is pushed to the roll gap portion between the first roller 53 and second roller 54, and in paper S, form the first folding line, still, can be also following structure.That is, after the front end and the first block 51 butts of paper S, paper S is carried to the direction of the first block component 51C, in paper S, form kink, the kink forming is guided to the roll gap portion between the first roller 53 and second roller 54.

Claims (18)

1. a paper folding apparatus, comprising: the first folding roller pair that forms the first folding line on paper; On paper, form the second folding roller pair of the second folding line; The throughput direction front end butt of the paper of coming with conveying the first block component positioning; With the first folding line butt of paper the second block component that paper is positioned, the throughput direction front end of paper is connected on the first block component, determine the predetermined formation position of the first folding line of paper, by the predetermined formation location guide of the first folding line to the right roll gap portion of the first folding roller, on paper, form the first folding line, then, make the first folding line and the second block component butt of paper, on paper, form kink, the kink of formation is directed to the right roll gap portion of the second folding roller, on paper, forms the second folding line; This paper folding apparatus is characterised in that,
Also comprise cap assembly, this cap assembly covers hand of rotation upstream side roller, roll gap portion that forms the second right block component side of the second folding roller, utilize described cap assembly, postpone the described kink of the roll gap portion guiding paper right to the second folding roller, and, continue to utilize the first folding roller to form the second kink to conveyance of sheets and on paper, and utilize the second kink, rejection ratio the first folding line is positioned at the opening of paper of front.
2. the paper folding apparatus of recording as claim 1, it is characterized in that, centered by the axle of roller that forms the second right block component side of described the second folding roller, the roll gap portion that the second folding roller is right and the front end angulation of described cap assembly are in the scope of 25 °~35 °.
3. the paper folding apparatus of recording as claim 1 or 2, is characterized in that,
The surface friction drag of roller that forms the second right block component side of described the second folding roller is less than the surface friction drag that forms right another roller of the second folding roller.
4. the paper folding apparatus of recording as claim 1, is characterized in that,
The roller that forms the second right block component side of described the second folding roller axially has large-diameter portion and minor diameter part.
5. the paper folding apparatus of recording as claim 1, is characterized in that,
Also comprise paper pressing mechanism, it is assisted the process that forms kink on paper, and kink is directed to the right roll gap portion of the second folding roller.
6. the paper folding apparatus of recording as claim 5, is characterized in that,
Described paper pressing mechanism comprises: bar-like member and support unit, described support unit makes the length direction of described bar-like member remain on approximate horizontal state the described bar-like member of suspention supporting swingably.
7. the paper folding apparatus of recording as claim 6, is characterized in that,
Described paper pressing mechanism uses the chip part of tubular as described support unit, inserts girth than the bar-like member of all length of described chip part in the inner side of this chip part.
8. the paper folding apparatus of recording as any one in claim 5~7, is characterized in that,
Described paper pressing mechanism is assisted the process that forms kink on paper by deadweight, and kink is directed to the right roll gap portion of the second folding roller.
9. the paper folding apparatus of recording as claim 1, is characterized in that,
The first folding roller is to being made up of the first roller and second roller, and the second folding roller is to being made up of second roller and the 3rd roller.
10. a sheet post-process apparatus, is characterized in that, has paper folding apparatus,
This paper folding apparatus, comprises, forms the first folding roller pair of the first folding line on paper; On paper, form the second folding roller pair of the second folding line; The throughput direction front end butt of the paper of coming with conveying the first block component positioning; With the first folding line butt of paper the second block component that paper is positioned, the throughput direction front end of paper is connected on the first block component, determine the predetermined formation position of the first folding line of paper, by the predetermined formation location guide of the first folding line to the right roll gap portion of the first folding roller, on paper, form the first folding line, then, make the first folding line and the second block component butt of paper, on paper, form kink, the kink of formation is directed to the right roll gap portion of the second folding roller, on paper, forms the second folding line;
Wherein, this paper folding apparatus also comprises cap assembly, this cap assembly covers hand of rotation upstream side roller, roll gap portion that forms the second right block component side of the second folding roller, utilize described cap assembly, postpone the described kink of the roll gap portion guiding paper right to the second folding roller, and, continue to utilize the first folding roller to form the second kink to conveyance of sheets and on paper, and utilize the second kink, rejection ratio the first folding line to be positioned at the opening of paper of front.
11. sheet post-process apparatus of recording as claim 10, it is characterized in that, centered by the axle of roller that forms the second right block component side of described the second folding roller, the roll gap portion that the second folding roller is right and the front end angulation of described cap assembly are in the scope of 25 °~35 °.
12. sheet post-process apparatus of recording as claim 10 or 11, is characterized in that, the surface friction drag of roller that forms the second right block component side of described the second folding roller is less than the surface friction drag that forms another right roller of the second folding roller.
13. sheet post-process apparatus of recording as claim 10, is characterized in that,
The roller that forms the second right block component side of described the second folding roller axially has large-diameter portion and minor diameter part.
14. sheet post-process apparatus of recording as claim 10, is characterized in that,
Also comprise paper pressing mechanism, it is assisted the process that forms kink on paper, and kink is directed to the right roll gap portion of the second folding roller.
15. sheet post-process apparatus of recording as claim 10, is characterized in that,
Described paper pressing mechanism comprises bar-like member and support unit, and described support unit makes the length direction of described bar-like member remain on approximate horizontal state the described bar-like member of suspention supporting swingably.
16. sheet post-process apparatus of recording as claim 15, is characterized in that,
Described paper pressing mechanism uses the chip part of tubular as described support unit, inserts girth than the bar-like member of all length of described chip part in the inner side of this chip part.
17. as the sheet post-process apparatus of any one record in claim 14~16, it is characterized in that,
Described paper pressing mechanism is assisted the process that forms kink on paper by deadweight, and kink is directed to the right roll gap portion of the second folding roller.
18. sheet post-process apparatus of recording as claim 10, is characterized in that,
The first folding roller is to being made up of the first roller and second roller, and the second folding roller is to being made up of second roller and the 3rd roller.
CN201110120572.XA 2010-05-11 2011-05-11 Paper folding device and paper post-processing device using the paper folding device Active CN102275767B (en)

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JP5462297B2 (en) * 2012-02-15 2014-04-02 東芝テック株式会社 Paper storage device and printer
JP6146881B2 (en) * 2013-03-13 2017-06-14 ホリゾン・インターナショナル株式会社 Saddle stitch folding device
JP6631270B2 (en) * 2016-01-19 2020-01-15 コニカミノルタ株式会社 Post-processing apparatus and image forming apparatus having the same
CN113370590B (en) * 2021-06-29 2024-06-11 太仓市岭南纸业包装有限公司 Automatic production system for high-strength multilayer corrugated board

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1188752C (en) * 2000-12-28 2005-02-09 佳能株式会社 Sheet folding apparatus and imaging equipment with said sheet folding apparatus
JP2010006566A (en) * 2008-06-30 2010-01-14 Konica Minolta Business Technologies Inc Post-processing device and image forming system
JP2010100347A (en) * 2008-10-21 2010-05-06 Ricoh Co Ltd Paper sheet folding apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003252522A (en) * 2001-12-27 2003-09-10 Konica Corp Program and image forming device of which operation is controlled therewith
EP1324147A3 (en) * 2001-12-27 2009-03-18 Konica Corporation Image forming apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1188752C (en) * 2000-12-28 2005-02-09 佳能株式会社 Sheet folding apparatus and imaging equipment with said sheet folding apparatus
JP2010006566A (en) * 2008-06-30 2010-01-14 Konica Minolta Business Technologies Inc Post-processing device and image forming system
JP2010100347A (en) * 2008-10-21 2010-05-06 Ricoh Co Ltd Paper sheet folding apparatus

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