CN105936431A - Sheet material conveying device and image forming device - Google Patents

Abstract

The invention provides a sheet material conveying device and an image forming device that are used for correcting deflection of sheet material regardless of the shape of a tip end of the sheet material. Door components are configured to contact with the tip end of the sheet material via at least two contact faces (7af, 7bf) (9af, 9bf) on an upstream side and a downstream side of a sheet material conveying direction. Door positions of contact faces (7af, 7bf) of the door components (7a, 7b) are arranged on the downstream side of the sheet material conveying direction X relative to door positions of the contact faces (9af, 9bf) of the door components (9a, 9b). The contact faces (7af, 7bf) of the door component (7a, 7b) and the contact faces (9af, 9bf) of the door component (9a, 9b) are arranged opposite to contact faces (8af, 8bf) of the door component (8a, 8b). The door components are symmetric about a paper central reference line Yc.

Description

Sheet material conveying device and image processing system

Technical field

The present invention relates to sheet material conveying device and image processing system.

Background technology

In the image processing system of general electrofax mode, it is to be transported by sheet material transport mechanism The record medium (hereinafter referred to as sheet material) of the transfer paper etc. supplied by sheet feed section, and by transfer section by shape Become the toner image on photoreceptor to be transferred on sheet material, come this unfixed by fixing section the most again Toner image.In above-mentioned a series of image forms flow process, when paper supply or conveyance, as When chankings material is to carry out image formation by transfer section in a slanted state relative to sheet material conveyance direction, Deflection (referring to that image is transferred obliquely relative to sheet material) will be produced.

In order to prevent above-mentioned deflection, it is known that the tip of sheet material to be touched the retaining part of para-position roller pair In putting, by pushing the method that sheet material carries out skew correction, or as disclosed in Patent Document 1 Door knob touches mode.Touch in mode at this door knob, be at vertical direction (Vertical Square relative to sheet material conveyance direction To) on can arrange movably, the tip of sheet material is touched be arranged to switch in other words The door (touching component) of sheet material transport path is inner carries out skew correction.

But, in above-mentioned door knob touches the skew correction mechanism of mode, due to the first end shape of sheet material, Touch location on door is not quite similar sometimes, thus will worry about image position can be at random.This door Touch in the embodiment that the problem points of mode will be described below and specifically described by accompanying drawing.

[patent documentation 1] (Japanese) JP 2011-144048 publication

Summary of the invention

The present invention is in view of the foregoing, it is therefore intended that provide a kind of first end shape with sheet material independently Carry out the sheet material conveying device of the skew correction of sheet material.

To achieve these goals, technical scheme provides a kind of sheet material conveying device, and it includes The door component in the face of touching that the tip of multiple sheet materials having and moving touches, and sheet material is carried out oblique Mobile correction: it is characterized in that, the plurality of door component is be arranged on sheet material conveyance direction upper Touch face described in respective at least two places in trip side and downstream to touch with the tip of sheet material.

According to the present invention, just can independently carry out sheet material with the first end shape of sheet material by above-mentioned composition Oblique mobile correction (skew correction).

Accompanying drawing explanation

It it is the pattern pie graph of the conventional image processing system being suitable for the present invention shown in Fig. 1.

Shown in Fig. 2 (a) be first end be that the tip of the preferable sheet material of linearity touches with the state of deflection Plane graph on the door component of Fig. 1, is the oblique mobile correction state after this sheet material touches shown in Fig. 2 (b) Plane graph.

The tip of the sheet material being different from the first end shape of preferable linearity shown in Fig. 3 (a) touches Fig. 1 Door component time plane graph, be posture state flat of this sheet material after this sheet material touches shown in Fig. 3 (b) Face figure.

It it is the pattern pie graph of image processing system involved by an embodiment of the invention shown in Fig. 4.

It is the door component of the door mechanism in said one embodiment to be described and touches face shown in Fig. 5 (a) The oblique view of pith, is to illustrate when the face of touching of door component of regulation occupies position shown in Fig. 5 (b) The plane graph of pith.Shown in Fig. 5 (c) be regulation beyond explanatory diagram 5 (b) door component touch face The plane graph of pith when occupying position.

It it is the oblique view of the drive division etc. of the door mechanism that said one embodiment is described shown in Fig. 6.

It it is the hardware module figure controlling to constitute of said one embodiment shown in Fig. 7.

It is shown in Fig. 8 (a)～(c) in the door mechanism of said one embodiment, for explanation because of various The difference of sheets of sizes and make the pith mode view of the action that the face of touching of a component changes. It is shown in Fig. 8 (d) in the door mechanism of said one embodiment, is different from the tip of preferable linearity The pith mode view of the operating state when tip of the sheet material of portion's shape touches.

It it is the flow chart of the sequence of movement of said one embodiment shown in Fig. 9.

Detailed description of the invention

Hereinafter, the mode of the enforcement of the present invention that include embodiment is described in detail with reference to the attached drawings.In each reality Execute in mode, for having the element (component or constituent part) etc. of same function and shape etc., as long as Being not have to obscure, just after once explanation, by giving same symbol, the description thereof will be omitted.For letter Change figure and explanation, even the element that should represent in the drawings, for this figure there is no need to do The element of special instruction, also can suitably omit.In the element quoting publication publication etc. The when of explanation, it is additional bracket in its symbol, to distinguish with each embodiment etc..

First, with reference to Fig. 1 come the composition to the printer as the image processing system being suitable for the present invention and Action illustrates.It it is the pattern pie graph of the image processing system being suitable for the present invention shown in Fig. 1.Fig. 1 Shown image processing system 100 is that the image forming part (hereinafter referred to as imaging section) by tandem type is formed The color image forming device of the electrofax mode of coloured image, by imaging section 11, sheet feed section 12, turns Print portion 13, fixing section 14, paper discharge unit 15 etc. are constituted.

Imaging section 11 is by forming and export yellow (Y), magenta (M), cyan (C), black (K) etc. four Kind color adds five imaging lists of the toner image of the special color (S) of water white transparency (transparent) or white Unit 110S, 110Y, 110M, 110C, 110K are constituted.As Image forming material, five imagings Unit 110S, 110Y, 110M, 110C, 110K use the most different S of color, Y, M, C, K toner, is the most all same composition, and changes when arriving the life-span.Each image-generating unit 110S, 110Y, 110M, 110C, 110K relative to the device body 2 of image processing system 100 are Can load and unload, i.e. constitute so-called cartridge processing.Hereinafter, for common composition, for K Illustrate as a example by the image-generating unit 110K of toner image.

Image-generating unit 110K includes charging device 111K, the photoreceptor of drum shape as image-carrier 112K, developing unit 114K, neutralizer 115K, photoreceptor cleaning device 116K etc..These devices It is maintained in common holding body, and by being loaded and unloaded in device body 2 integratedly, it becomes possible to it Be replaced simultaneously.

Exposure device 113 it is configured with above image-generating unit 110S, 110Y, 110M, 110C, 110K. The image information that exposure device 113 is sent here according to external mechanical such as personal computers, passes through laser diode The laser sent carries out photoscanning to photoreceptor 112S, 112Y, 112M, 112C, 112K.

Photoreceptor 112K is in FIG by driving motor to be driven by revolution on counterclockwise direction.Fill Electric installation 111K is by applying charging bias in as the charging electric wire of charger, in charging electric wire and sense Electric discharge is produced, so that the surface of photoreceptor 112K is by uniform charged between the outer surface of body of light 112K (charging operation).In the surface of the photoreceptor 112K of uniform charged, irradiate by exposure device 113 Laser carry out photoscanning after, form the electrostatic latent image (exposure process) of K.The electrostatic of this K is dived As by using the developing unit 114K of K toner to become K toner image (developing procedure) after developing. Then, (primary transfer operation) on intermediate transfer belt 125 described later it is transferred to.

Neutralizer 115K to toner image by the photoreceptor after being transferred on intermediate transfer belt 125 The surface of 112K is carried out except electricity (except electrician's sequence).Photoreceptor cleaning device 116K includes cleaning balde and cleaning Brush, and to the transfer residual on the surface remaining in photoreceptor 112K after removing electricity by neutralizer 115K Toners etc. carry out removing and reclaim (cleaning process).In FIG, image-generating unit 110S, 110Y, 110M, 110C is also carried out a series of statues same with image-generating unit 110K and processes, and each photoreceptor 112S, S, Y, M, C toner image is formed on 112Y, 112M, 112C.

Sheet feed section 12 by means of paper supply path 159 and sheet material conveying device 103 by the sheet material of transfer paper etc. S is supplied in transfer section 13, includes the sheet feed stacker 121 as sheet material resettlement section, paper feed roller 122, divides From roller to 123, sheet material conveying device 103 etc..Paper feed roller 122 is for being positioned in sheet feed stacker 121 Move towards separate roller 123 after sheet material turn S conveyance.Paper feed roller 122 will be positioned in sheet feed stacker 121 On sheet material S in uppermost sheet material S take out and towards being configured in sheet material conveyance direction X downstream Separate roller is sent 123.The 123 sheet material S taken out by paper feed roller 122 are divided by separate roller page by page From rear, towards including that the sheet material being provided in the sheet material transport mechanism in sheet material conveyance direction X downstream transports Device 103 paper feed.In sheet feed section 12, it it is the sheet width direction that will be perpendicular to sheet material conveyance direction X The central authorities of Y are that standard is to supply sheet material, i.e. use by paper Mean.It addition, " arranging " Refer to configure and arranged later, or position determines the meaning arranged later.

Sheet material conveying device 103 as illustrated in fig. 1, includes conveyance sheet material in sheet material conveyance direction X The carrying roller of S to 161, tilt detection mechanism 162, the sheet material S moved is carried out oblique mobile correction Door mechanism 163 and para-position roller to 164.Above-mentioned carrying roller to 161, tilt detection mechanism 162, door Mechanism 163 and para-position roller are individually configured along the front transport path 160 of transfer 164.Constitute sheet material The carrying roller of carrying device 103 to 161, tilt detection mechanism 162, the thin portion of door mechanism 163 constitute and Action will be described later.

Para-position roller arrives secondary transfer section to 164 with the toner image forming part on intermediate transfer belt 125 The opportunity of the secondary transfer printing clamping part of 139 sends sheet material S.Para-position roller is in sheet width direction to 164 Multiple rollers it is divided into composition in Y.It addition, need not go into the details, including as sheet material carrying channel Described later each paper supply path of transport path 160 before the paper supply path 159 in footpath or transfer, it is also possible to pass through Suitably arrange by for Web guide is constituted to the thin-plate element in the downstream in sheet material conveyance direction X Sheet material ways constitute.

Transfer section 13 is configured in the lower section of image-generating unit 110S, 110Y, 110M, 110C, 110K. Transfer section 13 include driving roller 126, driven voller 127, intermediate transfer belt 125, primary transfer roller 134S, 134Y, 134M, 134C, 134K, secondary transfer roller 135, secondary transfer printing are to roller 136, band cleaning Device 138.

Intermediate transfer belt 125 is by the driving roller 126 in being disposed in inside its ring, driven voller 127, secondary Transfer is tensioned to roller 136, primary transfer roller 134S, 134Y, 134M, 134C, 134K etc. Set up.It addition, " tensioning erection " refers to set up when tensioned.By by drive mechanism in the drawings Rotate clockwise the driving roller 126 being rotated driving on direction, intermediate transfer belt 125 ring in the same direction Around mobile and walking, also connect with photoreceptor 112S, 112Y, 112M, 112C, 112K simultaneously.

Primary transfer roller 134S, 134Y, 134M, 134C, 134K clip intermediate transfer belt 125 respectively Opposite configure with photoreceptor 112S, 112Y, 112M, 112C, 112K, and make middle turning Driven rotation made movably by print band 125.Thus, surface and the sense of intermediate transfer belt 125 it are the formation of Body of light 112S, 112Y, 112M, 112C, 112K abut (meaning connected when touching) Primary transfer clamping part.In primary transfer roller 134S, 134Y, 134M, 134C, 134K, the most logical Cross primary transfer grid bias power supply and apply primary transfer bias respectively.Thus, just photoreceptor 112S, 112Y, S, Y, M, C, K toner image on 112M, 112C, 112K and primary transfer roller 134S, 134Y, Primary transfer electric field is defined between 134M, 134C, 134K.Then, the toner image of shades of colour It is transferred successively relative to intermediate transfer belt 125.

The S toner being formed on the photoreceptor 112S surface of S along with photoreceptor 112S rotation and Enter the primary transfer clamping part of S.Then, by transfer electric field or the effect of clamping pressure, from photosensitive It is transferred on body 112S on intermediate transfer belt 125.So, S toner image is by primary transfer After intermediate transfer belt 125 pass sequentially through the primary transfer clamping part of Y, M, C, K later.So After, Y, M, C, K toner image on photoreceptor 112Y, 112M, 112C, 112K is weighed successively It is transferred on S toner image foldedly.By the primary transfer of this overlap, just at intermediate transfer belt 125 On define the overlapping toner image with characteristic toners such as color toner picture and water white transparencies.Two Secondary transfer roll 135 and secondary transfer printing are to sandwiching intermediate transfer belt 125 and sheet material together with to roller 136 and rotating. Thus, the surface of intermediate transfer belt 125 and the secondary transfer printing folder of secondary transfer roller 135 abutting it are the formation of Hold portion.Relative to the ground connection of secondary transfer roller 135, at secondary transfer printing to being to pass through secondary in roller 136 Transfer bias power supply and be applied with secondary transfer printing bias.

On intermediate transfer belt 125 after the secondary transfer printing by secondary transfer printing clamping part, remain and do not have The transfer residual toner being transferred on sheet material.To this, by having and intermediate transfer belt 125 The band cleaning device 138 of the cleaning balde that surface abuts removes from intermediate transfer belt 125 surface and cleaning 's.

Fixing section 14 forms adding of fixing nip portion after including heating roller 141 and crimping with heating roller 141 Pressure roller 142.The sheet material being fed in fixing section 14 is as mounting surface and heating with its unfixing toner The posture of roller 141 close attachment is clamped in fixing nip portion.Then, by heating or pressurization Make the melted softening of the toner in toner image, so that toner image is fixed on sheet material.So, The fixing sheet material having a toner image by the carrying roller that is provided in ADF path 167 to transporting, more Further, the exit roller through paper discharge unit 15 is discharged from device body 2 168 to machine, and receives Hold and be placed on as on the discharge tray 151 of ADF resettlement section.

In image processing system 100, it is provided with conveyance switching device 166, send path 169, turning path again 170, turn to rear transport path 171 etc., can perform respectively to form image relative to the two sides of sheet material The composition of two surface models.It is exactly that conveyance switching device 166 has and will accept from fixing section 14 specifically Sheet material after conveyance direction be switched to ADF path 167 or send first in path 169 to switch again Pawl 172.Then, only to the print out task of the one side pattern that first of sheet material execution forms image time, Just conveyance direction is set in ADF path 167.Thus, will only be in being formed with image on first Sheet material delivers to exit roller as described above to 168 through ADF path 167, and ADF is to discharge tray 151 On.It addition, when the two sides of sheet material is performed the print out task forming two surface models of image respectively, From fixing section 14 receive two sides the most fixing have toner image sheet material time, also conveyance direction is set Surely arrive in ADF path 167.Thus, just the sheet material ADF being all formed with image will inside be gone up to ADF On dish 151.

On the other hand, when performing the print out task of two surface models, it is only to exist receiving from fixing section 14 During the sheet material that first fixing image, it is set to conveyance direction send again in path 169.On Zai Song road Footpath 169 connects and has turning path 170, be sent to send the sheet material in path 169 by the second switching pawl again Enter in turning path 170 after 173 guiding.Then, all enter when the gamut of the conveyance direction of sheet material During turning path 170, the conveyance direction of sheet material is inverted so that sheet material is turned to.At turning path In 170, it is also associated with turning to rear transport path 171, the sheet material after turning in addition to sending path 169 again Enter into after being guided by the second switching pawl 173 and turn in rear transport path 171.At this moment, sheet material is upper and lower It it is upset.Then, the sheet material after spinning upside down is transport path 171 and paper supply path 159 after turning to After be again passed to secondary transfer printing clamping part.In secondary transfer printing clamping part, the second face is also transferred toning The sheet material of agent picture through fixing section 14 in second after fusing toner picture, through conveyance switching device 166, ADF path 167 and exit roller are to after 168, by ADF to discharge tray 151.

Below, illustrate that the thin portion of sheet material conveying device 103 is constituted and action by Fig. 1～Fig. 3.Figure Shown in 2 (a) be first end be the door that the tip of the preferable sheet material of linearity touches Fig. 1 with the state of deflection Plane graph on component, is the plane graph of oblique mobile correction state after this sheet material touches shown in Fig. 2 (b). The tip of the sheet material being different from the first end shape of preferable linearity shown in Fig. 3 (a) touches Fig. 1's Plane graph during door component, is the plane of the posture state of this sheet material after this sheet material touches shown in Fig. 3 (b) Figure.

As described in Figure 1, sheet feed section 12 sheet material supplied is transported to paper supply path 159, at secondary Transfer section 139 is transferred the toner image on intermediate transfer belt 125, and makes to adjust in fixing section 14 Toner picture obtains fixing.In the flow process that this series of image is formed, when being transported to paper supply path 159 Sheet material run-off the straight (deflection), when at secondary transfer section 139, toner image is transferred on sheet material, sheet Material and toner image would not be parallel and produce image and deviate from.For this deflection that makes corrections, it is provided with a machine Structure 163 and tilt detection mechanism 162.Make to move by door mechanism 163 and tilt detection mechanism 162 The tip of sheet material touch on the door component 63 of a mechanism 163, after carrying out skew correction, then by inclining Tiltedly testing agency 162 detects and judges deflection.

Carrying roller is that the sheet material being disposed of upper and lower a pair and clipping the front transport path 160 of transfer is removed to 161 Send component.Tilt detection mechanism 162 is provided in carrying roller to the transfer between 161 and door mechanism 163 In front transport path 160, it is made up of contact-type image sensor (CIS:Contact Image Sensor) Contact-type image sensor 162a is configured in the sheet width direction Y being perpendicular to sheet material conveyance direction X In gamut.Tilt detection mechanism 162 is because having contact-type image sensor 162a, so just can The size of the sheet width direction Y of the sheet material S moved is detected.

Door mechanism 163 as shown in FIG. 1 to 3, in order to sheet material S being carried out oblique mobile correction, be by The door component 63 of the front transport path 160 of transfer can be switched, and relative to transport path 160 before transfer Make the cam mechanism that a component 63 moves in vertical direction.Vertical direction in illustrated example refers to relatively Transport path 160 before generally horizontal transfer, for vertical direction Z or even above-below direction Z.Door component 63 in order to touch with the tip of the sheet material moved, and is to be divided in the Y of sheet width direction by possessing Face of touching 63a, 63b, 63c, 63d, 63e, the 63f's of multiple (being at 6 in illustrated example) is metal The metal sheet of thin-plate element is formed.Touch face 63a, 63b, 63c, 63d, 63e, 63f respectively It is generally aligned in the same plane.As it has been described above, door mechanism 163 and patent documentation 1 have the records such as Fig. 3, Fig. 4 The first longitudinal para-position correcting mechanism touching component (32) be substantially same composition.

In the arrangement touching face of door component 63, as shown in Fig. 2 (a), if the tip of sheet material SA Portion is preferable linearity, then, even if sheet material SA protrudes on a component 63 obliquely, also can be as Shown in Fig. 2 (a) to Fig. 2 (b), can touch successively and touch face 63a～63f.Thus, sheet material SA's is oblique Being maked corrections to movement, deflection is just improved.

But, it practice, as shown in sheet material SB in Fig. 3 (a) and Fig. 3 (b), sometimes, sheet material SB To be different from the shape of preferable linearity (in illustrated example, be the first end of sheet material SB in first end Central part at the prominent convex configuration of sheet material conveyance direction X).Why the shape of sheet material elder generation end becomes Shape shown in Fig. 3 (a), Fig. 3 (b), is because the impact of cut paper or environment causes stretching from empirically understanding Impact so that the central part of the first end of sheet material SB has becomes prominent in sheet material conveyance direction X The tendency of convex configuration.Such as, in paper using, if production batch or cut paper batch is identical just has Roughly the same occurrence frequency, and just have different tendencies when of different.Such as, Dang Yibao is 500 During the paper using that page fills, it is different every page 500 frequencies occurred.It addition, the flexible meeting that environment causes Because different as the record density of sheet material of medium, moisture content and the difference of keeping environment, also can Change because of sheet material.Further, it is contemplated that as Fig. 1, dress can be formed with the image of two-face printing When putting the two-face printing in 100, in addition to the density, moisture content of sheet material, it is also contemplated that because figure Image planes are amassed or the hot impact of fixing section, and the shape that can further result in sheet material elder generation end can inequality.

As described above, touch when the first end that the shape of sheet material elder generation end is not the sheet material SB of linearity Time on door component 63, the most only with several places in the face of touching of the door component 63 that should encounter (at Fig. 3 (b) In be to touch face 63a, 63c) touch after just finish skew correction action.Thus, just can not get correctly Skew correction.Then, it is recognised that preferably when considering premised on there are above-mentioned sheet material SB It is among multiple door components, as long as relative to sheet material conveyance direction X that sheet material is end at first Carry out touching oblique movement at the two of the inner side in the side, front in downstream and the downstream of sheet material conveyance direction X Make corrections.Below, for expecting to be obtained in that stable skew correction by such skew correction An embodiment of the invention of effect is described in detail.

(embodiment)

With reference to Fig. 4～Fig. 9, an embodiment of the invention is described.It is one of the present invention shown in Fig. 4 The pattern pie graph of the image processing system involved by embodiment.It is to illustrate that said one is real shown in Fig. 5 (a) The door component executing the door mechanism in mode and the oblique view of the pith touching face thereof, shown in Fig. 5 (b) be The plane graph of pith when the face of touching of door component of regulation occupies position is described.Shown in Fig. 5 (c) it is The plane graph of the pith when face of touching of the door component of the regulation beyond explanatory diagram 5 (b) occupies position. It it is the oblique view of the drive division etc. of the door mechanism that an embodiment is described shown in Fig. 6.It is one shown in Fig. 7 The hardware module figure controlling to constitute of individual embodiment.

The image processing system 1 of present embodiment shown in Fig. 4 compared with the image processing system 100 of Fig. 1, Main difference is that with sheet material conveying device 3 to replace sheet material conveying device 103, and is provided with bag The control portion 30 that the action of the image processing system 1 including sheet material conveying device 3 is controlled.Except these are different Beyond Dian, the composition of present embodiment and action are all identical with the image processing system 100 of Fig. 1.Sheet material Carrying device 3 be have the face of touching that the tip of sheet material that is multiple and that move carries out touching door component (after State) and sheet material can be carried out the correct oblique mobile device maked corrections.Sheet material conveying device 3 and Fig. 1 institute Showing that sheet material conveying device 103 is compared, it only difference is that it is to replace a machine with irregular door mechanism 5 Structure 163.In addition to this difference, the composition of the sheet material conveying device 3 in present embodiment and action all with The sheet material conveying device 103 of Fig. 1 is identical.

Irregular door mechanism 5, as shown in Fig. 4～Fig. 6 etc., includes multiple (being 6 in this example) Door component 7a, 7b, 8a, 8b, 9a, 9b, and opposite house component carry out rotate drive drive division 20, with And for detecting the door position detecting mechanism 25 of the phase position of above-mentioned door component.Door component 7a, 7b, 8a, 8b, 9a, 9b, as shown in Fig. 5 (a), are respectively formed as same shape to realize part generalization.These Door component is formed by the resin of suitable metal or hard such that it is able to bear touching of sheet material in lasting Touch.Door component 7a, 7b, 8a, 8b, 9a, 9b are as changing rotation direction on the door-hinge 6 of axle Fix to position (hereinafter also referred to phase position) setting (referring to fixing setting later).

In the ledge from the door-hinge 6 of door component 7a, 7b, 8a, 8b, 9a, 9b, formed respectively There are face of touching 7af, 7bf, 8af, 8bf, 9af, 9bf that the tip with sheet material touches.Then, when door-hinge 6 When rotating the rotational angle of regulation respectively, these touch face 7af, 7bf, 8af, 8bf, 9af, 9bf can be with The tip of sheet material occupies the position being projected in the front transport path 160 of transfer (hereinafter also referred to touching " door position ").When touching face 7af, 7bf, 8af, 8bf, 9af, 9bf and individually occupying position, just Transport path 160 before transfer can be closed.Therefore, door component 7a, 7b, 8a, 8b, 9a, 9b also have As the function to the switching member that transport path 160 before transfer switchs.

Door component 7a, 7b and door component 8a, 8b and door component 9a, 9b distinguish in pairs and with same appearance Gesture is arranged on door-hinge 6.It is to say, door component 7a, 7b and door component 8a, 8b and door component After 9a, 9b are the guide center with sheet width direction Y, about paper supply come by paper central authorities base Directrix Yc is that the position relationship with line symmetry is to be arranged on door-hinge 6.Door component 7a, 7b touch The door position of face 7af, 7bf is configuration compared with the door position of face of touching 9af, 9bf of door component 9a, 9b Downstream in sheet material conveyance direction X.It addition, face of touching 7af, 7bf of door component 7a, 7b and door structure The phase position of face of touching 9af, 9bf of part 9a, 9b face of the touching 8af relative to door component 8a, 8b, 8bf is in opposition side.

The configuration relation of above-mentioned door component 7a, 7b, 8a, 8b, 9a, 9b can be summarized as follows.Namely Saying, first, door component 7a, 7b, 8a, 8b, 9a, 9b are configured as being arranged on sheet material conveyance side To the upstream side of X and face of touching 7af, the 7bf at least two places in downstream and touch face 9af, 9bf come with The tip of sheet material touches.Second, face of the touching 7af of door component 7a, 7b, 8a, 8b, 9a, 9b, 7bf, 8af, 8bf, 9af, 9bf the most linearly arrange on the Y of sheet width direction.3rd, door component Face of touching 7af, 7bf, 8af, 8bf, 9af, 9bf of 7a, 7b, 8a, 8b, 9a, 9b are at same door-hinge The position of the rotation direction on 6 be identical be not single but multiple.It is to say, be provided with each For face of touching 7af, 7bf of same phase position with touch face 8af, 8bf and touch the three of face 9af, 9bf Door component 7a, 7b, 8a, 8b, 9a, 9b of group.

Drive division 20 by the door-hinge 6 door component 7a to being fixedly installed on door-hinge 6,7b, 8a, 8b, 9a, 9b carry out rotating driving.Drive division 20 is fixed in the body frame of image processing system 1, bag Include one end 6b with door-hinge 6 to link and as the driving motor 24 of drive mechanism be disposed in one end Driving force transmission mechanism between portion 6b and driving motor 24.Driving force transmission mechanism has and is set by fixing Put at the one end 6b of door-hinge 6 and there is the driven pulley 22 of the gear teeth, and being arranged on driving motor 24 Output shaft on and there is the driving pulley 23 of the gear teeth, and be erected at driven pulley 22 and driving pulley The band 21 with the gear teeth on 23.As long as drive motor 24 such as to be inputted the stepping driven by pulse Motors etc., by giving umber of pulse, it becomes possible to correctly opposite house component 7a, 7b, 8a, 8b, 9a, 9b The phase position being set of face of touching 7af, 7bf, 8af, 8bf, 9af, 9bf carry out rotating and drive. Motor 24 is driven to be not limited to be inputted the motor driven by pulse, according to different purposes and purposes, also It can be DC motor etc..It addition, drive division 20 is not limited to this, it is also possible to be by being attached at door-hinge The composition of the rotary solenoid etc. in the one end 6b of 6 replaces above-mentioned drive mechanism and above-mentioned driving force to pass Pass mechanism.By such drive division, it becomes possible to realize cost with the easiest composition and reduce.

Door position detecting mechanism 25 include encoder plectane 27 and as detect a component 7a, 7b, The phase bits of the phase position of face of touching 7af, 7bf, 8af, 8bf, 9af, 9bf of 8a, 8b, 9a, 9b Put the script position sensor 26 of testing agency.Encoder plectane 27 is together with script position sensor 26 It is formed on peripheral part the rotary encoder being formed with many slits, and is provided with many narrow on peripheral part Seam, and be fixedly installed in the one end 6b of door-hinge 6.Originally position sensor 26 is with illuminating part The photoelectric sensor of the infiltration type that the state of the peripheral part clamping encoder plectane 27 with light accepting part is arranged. It addition, omit in Fig. 6, the one end 6b and the other end 6a of door-hinge 6 are by being provided with axle The door-hinge supporting member held is rotary to be supported for.This door-hinge supporting member is fixed on image shape Become in the body frame of device 1.

Irregular door mechanism 5 control composition as shown in Figure 7 controls.It is to say, according to script position Put the signal of sensor 26, by controlling driving motor 24, it becomes possible to occupy Fig. 5 (b) or figure selectively The turned position state (door position A or B) of the door-hinge 6 shown in 5 (c).Door position A shown in Fig. 5 (b) leads to Cross the rotational angle changing door-hinge 6, it becomes possible to use face of touching 7af, 7bf and the door of door component 7a, 7b Face of touching 9af, 9bf of component 9a, 9b is projected into the composition in the front transport path 160 of transfer.It addition, Door position B shown in Fig. 5 (c) can use face of touching 8af, 8bf of component 8a, 8b to be projected into transfer Position in front transport path 160 is constituted.So, it becomes possible at random set door component 7a, 7b, 8a, The phase position of face of touching 7af, 7bf, 8af, 8bf, 9af, 9bf of 8b, 9a, 9b, and in this position Place carries out the prominent of the face of touching of a component and avoidance operation.

By Fig. 7 illustrate present embodiment major control constitute.Dress is formed at image shown in Fig. 4 Put the top of 1, be equipped in action command is imparted to image processing system 1 above-mentioned each portion and device Input unit 17, and there is the operating state to above-mentioned each portion and device carry out the display part 18 of visual cognition And as the guidance panel 16 of operation display part.Input unit 17 is equipped for giving above-mentioned instruction Function key or the various buttons of numeral keys, instruction key etc..Display part 18 is equipped and passes through liquid crystal drive The display device that circuit drives.Display part 18 has the function of the notice mechanism of announcement information.In notice In mechanism, in addition to display part 18, also include by being provided in guidance panel 16 or image shape Become the display of going out of the lamp bright light of LED in the suitable position of device 1 to carry out alerting (prompting), or lead to The tweeting sound crossing buzzer etc. alerts, or is alerted by speech.

Control portion 30 has the function of the control member as broad sense, and possesses calculating device and have control The CPU31 of the function of mechanism, information storage part and there is the miniature calculating of the clock etc. as time movement Machine.Information storage part include as storage data storing mechanism non-volatile RAM RAM33, The ROM32 comprising PROM and the storage part 34 comprising HDD (Hard Disk Drive) etc..At this In embodiment, it is at the beginning of by the various control programs (with reference to Fig. 9) such as printed required for operation, system Beginning setting value, the fixed data being accommodated with function for playing CPU31 or relevant data etc. ROM32, and work storage (work memory) RAM33 etc..

CPU31 is according to coming from the signal of various sensors 10 of Fig. 7 and various by guidance panel 16 The signal that button etc. set, carries out including that the driving of above-mentioned each portion and device etc. is right by information storage part The control of printer driver section 19 as the display part 18 etc. of actuator and guidance panel 16.Printing Machine drive division 19 includes the drive division 20 as the irregular door mechanism 5 in sheet material conveying device 3 Driving motor 24.As the main sensors in various sensors 10, contact type image can be there are Sensor 162a and originally position sensor 26.The sheets of sizes inputted in CPU31 and be set has The signal closed, these signals are defeated by the guidance panel 16 as the size set mechanism setting sheets of sizes Enter the various buttons in portion 17 or generated by touch panel etc..At the understanding machine that sheets of sizes is recognized In structure, have and sheets of sizes be set and the various buttons of input unit 17 as size set mechanism, And the upstream side of sheet material conveyance direction X being configured in multiple door components sheets of sizes is carried out Detection and as the contact-type image sensor 162a of testing agency.

First, CPU31 be according to the signal relevant with sheets of sizes and with respectively the touching of multiple door components The signal that the phase position of contacting surface is relevant, as controlling to drive the first controlling organization of motor 24 to make respectively The face of touching occupies the phase position being previously set corresponding to sheets of sizes.Second, when being recognized by size When the sheets of sizes of mechanism's understanding and the sheets of sizes relevant from the phase position being previously set are different, The function of CPU31 is as controlling display part 18 to notify the second abnormal controlling organization.Above-mentioned In the control of CPU31, " signal relevant with sheets of sizes " is that the various buttons by input unit 17 set Fixed, or the signal detected by contact-type image sensor 162a.It addition, " with multiple door structures The signal that the phase position in the face of respectively touching of part is relevant " it is from the door-hinge 6 detected by script position sensor 26 The signal that calculates of script position (initial position).Hereinafter, CPU31 can also be simply referred as controlling Portion 30.

With reference to Fig. 8, the lower action performed of instruction in the control portion 30 of present embodiment is illustrated.Figure It is shown in 8 (a)～(c) in the door mechanism of present embodiment, for the difference because of various sheets of sizes is described And make the plane graph of the pith of the action that the face of touching of a component changes.It is at this shown in Fig. 8 (d) In the door mechanism of embodiment, the tip of the sheet material being different from the first end shape of preferable linearity touches Time the plane graph of pith of operating state.Not the advising of sheet material conveying device 3 in present embodiment In Ze Men mechanism 5, as shown in Fig. 8 (a)～Fig. 8 (c), it is to change a structure according to arbitrary sheets of sizes The composition of the door position in the face of touching of part.Such as, as shown in Fig. 8 (a), using width dimensions LB not When expiring the sheet material SA1 of 200mm, door component 7a, 7b and the respective of door component 9a, 9b touch face 7af, 7bf and to touch face 9af, 9bf be (the door position shown in Fig. 5 (b), position being projected on carrying channel diametric plane Put A).Thus, it is face of touching 7af, the 7bf being touched component 7a, 7b by the tip of sheet material SA1 In carry out skew correction.

It addition, as shown in Fig. 8 (b), using width dimensions LB to be, more than 200mm 300mm is discontented with Sheet material SA2 time, face of touching 8af, 8bf of door component 8a, 8b are the positions being projected on carrying channel diametric plane Put (the door position B shown in Fig. 5 (c)).Thus, be by the tip of sheet material SA2 touch a component 8a, Skew correction is carried out in face of touching 8af, 8bf of 8b.It addition, as shown in Fig. 8 (c), using When width dimensions LB is the sheet material SA3 of more than 300mm, it is to use the door position A shown in Fig. 5 (b), Touched by the tip of sheet material SA3 and carry out deflection school in face of touching 9af, 9bf of component 9a, 9b Positive.At this moment, door component 7a, 7b are configured in sheet material conveyance direction X compared with door component 9a, 9b Downstream.Therefore, though use the sheet material elder generation end shown in Fig. 8 (d) be deformed into convex sheet material SB (with Fig. 3 is identical) time, because being two tips only making the sheet width direction Y in sheet material SB and door structure Face of touching 9af, 9bf of part 9a, 9b touch, so just can carry out skew correction.

Here, this situation is such as also contemplated, i.e. use the width dimensions as shown in Fig. 8 (a) LB is the undersized sheet material of discontented 200mm, and, the central part of sheet material elder generation end be deformed into convex The sheet material (sheets of sizes is the small size shown in Fig. 8 (a)) as shown in Fig. 8 (d) of shape.In this case, examine Consider the interval of face of touching 7af, 7bf to the sheet width direction contemplated in component 7a, 7b and touch Contacting surface 7af, the deformation of the sheet material elder generation end touching face width degree in sheet width direction of 7bf, cutting Set preferably with carrying out skew correction on the spot.

In the door position adjustment of the door component of the sheets of sizes according to above-mentioned sheet material, when set sheet material When the sheets of sizes of size and the actual sheet material placed is different because sheet material tip can be intended to outside The face of touching of door component is touched, so may result in the decline of skew correction performance.Then, in this enforcement In mode, while detected the inclination of sheet material by tilt detection mechanism 162, also by detection lug Material size detects be sized with by antiquarian inconsistent, and notifies operating surface by way of caution By setting error informing user in display part 18 grade of plate 16.

Then, a series of sequence of movement of present embodiment is described with reference to Fig. 9.It is this shown in Fig. 9 The flow chart of the sequence of movement of embodiment.First, it is to confirm set sheets of sizes (step S1). Whether the sheets of sizes (coming alternative with width dimensions LB shown in Fig. 8) set by judgement is at more than 200mm But discontented 300mm (step S2).Here, when the sheets of sizes set is at the discontented 300mm of more than 200mm Time, proceed to step S3 and be set as a position B.It is to say, as used the sheet shown in Fig. 8 (b) Like that, face of touching 8af, 8bf of door component 8a, 8b are positioned at and are projected on carrying channel diametric plane material SA2 Position.On the other hand, when the sheets of sizes set is not at the discontented 300mm of more than 200mm, just Advance to step S6 and be set as a position A.It is to say, as used the sheet material SA1 shown in Fig. 8 (a) Like that, face of touching 7af, 7bf at door component 7a, 7b are positioned at the position being projected on carrying channel diametric plane While, as used the sheet material SA3 shown in Fig. 8 (c), door component 9a, 9b face of touching 9af, 9bf is positioned at the position being projected on carrying channel diametric plane.

When using such sheet material to continue printing action, for set by the input unit 17 of Fig. 7 The most inconsistent the carrying out of sheets of sizes of sheets of sizes and the actual sheet material placed judges (step S5).In step In rapid S5, when there is no sheets of sizes inconsistent, after just set sheets of sizes number of pages being printed Terminate.On the other hand, if having sheets of sizes inconsistent, the most in the step s 7, aobvious at Fig. 7 Show that the warning of the inconsistent notice carrying out including sheets of sizes in portion 18 shows the (such as " sheet material placed Size is inconsistent, please place the sheet material of correct sheets of sizes ").After this is carried out visual cognition, user is just Can suitably carry out reapposing the sheet material of correct sheets of sizes.It addition, there be differing of sheets of sizes During cause, it is also possible to while carrying out including that the warning of the inconsistent notice of above-mentioned sheets of sizes shows, Also stop printing action.

It addition, in present embodiment example, although door component uses the composition of 6, but does not limits to In this, as long as the composition of the door component more than 4 of use, by changing its installation site or angle, Just it is obtained in that the effect of this composition.Further, present embodiment example it is not limited to, it is also possible to structure Become the door component configuring multiple (more than 7) on the same axis, and occupy different multiple door positions, With can corresponding more sheets of sizes and the deformation state of sheet material elder generation end.

As it has been described above, according to present embodiment, the 1st technological maheup below has following effect.This The 1st technological maheup involved by embodiment is the sheet material conveying device of sheet material conveying device 3 grade, its bag The door component in the face of touching that the tip of the sheet material including multiple sheet material S etc. having and move touches, and right Sheet material carries out oblique movement and makes corrections: multiple door component of door component 7a, 7b, 8a, 8b, 9a, 9b etc. Be the upstream side of the sheet material conveyance direction being arranged on sheet material conveyance direction X etc. and downstream touch face 7af, 7bf and touch face 9af, 9bf, or touch face 7af, 7bf and touch face 8af, 8bf etc. The face of touching at least two places is touched with the tip of sheet material.

By the 1st technological maheup, it becomes possible to provide a kind of sheet material conveying device, with the first end shape of sheet material Shape is unrelated, as long as identical sheets of sizes just can make corrections to carry out oblique movement with identical face of touching, And stable oblique mobile correction (skew correction) can be carried out.

The 2nd technological maheup involved by present embodiment is according to the 1st technological maheup, multiple door components Face of respectively touching on the sheet width direction of sheet width direction Y etc. being perpendicular to sheet material conveyance direction not It it is linear array.

By the 2nd technological maheup, because not being that the position in the face of respectively touching by multiple door components is arranged in On straight line, so just can limit the door component in the face of touching according to sheets of sizes.

The 3rd technological maheup involved by present embodiment is according to the 1st or the 2nd technological maheup, multiple The position of the rotation direction in the face of respectively touching of door component is multiple identical on the same axle of door-hinge 6 grade.

By the 3rd technological maheup, it becomes possible to change the face of touching of a component according to the rotational angle of axle Position.

The 4th technological maheup involved by present embodiment is according to the 3rd technological maheup, it include by means of Same axle carries out rotating the driving driving motor 24 grade of the drive division 20 driven to multiple door components Mechanism, and recognize various buttons or the contact of tilt detection mechanism 162 of the input unit 17 of sheets of sizes The size of imageing sensor 162a etc. recognizes mechanism, and detects the phase place in the face of respectively touching of multiple door components The phase position testing agency of script position sensor 26 grade of position, and recognize according to by size The relevant signal of sheets of sizes of mechanism's understanding and multiple with detected by phase position testing agency The relevant signal of the phase position in face of respectively touching of door component is to control drive mechanism, so that respectively touching face Occupy the control portion 30 of the phase position being previously set corresponding to sheets of sizes CPU31 etc. first Controlling organization.

By the 4th technological maheup, it becomes possible to corresponding to sheets of sizes, the face of touching of door component is set in In suitable position.

The 5th technological maheup involved by present embodiment is according to the 4th technological maheup, and size recognizes mechanism It it is the size set mechanism that sheets of sizes is previously set.

By the 5th technological maheup, it is possible to obtain the effect of the 4th technological maheup.

The 6th technological maheup involved by present embodiment is according to the 4th technological maheup, and size recognizes mechanism The upstream side of the sheet material conveyance direction being configured in multiple door components, is the inclination of detection sheets of sizes The size detection mechanism of the contact-type image sensor 162a etc. of testing agency 162.

By the 6th technological maheup, it is possible to obtain the effect of the 4th technological maheup.

The 7th technological maheup involved by present embodiment is according to the 5th technological maheup, and it includes information Carry out the notice mechanism of display part 18 grade of the guidance panel 16 notified, and be configured in multiple door structures The upstream side of the sheet material conveyance direction in part also detects the size detection mechanism of sheets of sizes, and work as size Sheets of sizes and the sheets of sizes being previously set by size set mechanism that testing agency detects are differed During cause, just control the second control to the CPU31 etc. in the abnormal control portion 30 notified of the notice mechanism Mechanism processed.

By the 7th technological maheup, the when of occurring sheets of sizes inconsistent, it becomes possible to relative to sending out The printed article of raw deflection notifies abnormal and alert.

The 8th technological maheup involved by present embodiment is according to the 6th technological maheup, and it includes information Carry out the notice mechanism notified, and the size being set the sheets of sizes recognizing mechanism as size sets Determine mechanism, and the sheets of sizes that detects when size detection mechanism and being come in advance by size set mechanism When the sheets of sizes of setting is inconsistent, just control notice mechanism to abnormal the second control machine notified Structure.

By the 8th technological maheup, it is possible to obtain the effect as with the effect of the 7th technological maheup being.

The 9th technological maheup involved by present embodiment is according to the technology of any one in the 1 to the 8th Constituting, what the touching of at least two places faced the sheet width direction vertical with sheet material conveyance direction passes through paper The Central Line opening central reference line Yc etc. is to configure with the position relationship that line is symmetrical.

By the 9th technological maheup, it becomes possible to be applicable to general sheet material conveying device.

The 10th technological maheup involved by present embodiment is, has formation image on the sheet material moved The image processing system 1 of image formation mechanism of imaging section 11 grade, it includes in the 1 to the 9th appoints What described sheet material conveying device.

By the 10th technological maheup, it becomes possible to provide and there is the oblique mobile correction carrying out high-precision sheet material The image processing system of the sheet material conveying device of (skew correction).

Above, although the preferred forms of the present invention is illustrated, but the invention is not limited in Above-mentioned specific embodiment, as long as being not particularly limited in the above description, is remembered at scope of authority Various deformation and change can be carried out in the thought range of the present invention carried.For example, it is also possible to above-mentioned reality The technology contents executing the record such as mode or embodiment carries out suitable combination.

Sheet material conveying device involved in the present invention is not limited to the sheet material conveying device 3 of above-mentioned embodiment In irregular door mechanism 5, for example, it is also possible to be suitable for Fig. 2～the figure of JP 2012-030971 publication Disclosed clamping carrying roller such as 10 grades is to (151).It is exactly, at clamping carrying roller in (151), to be specifically It is positioned in door side roller 151A of downside and is suitable for not the advising of above-mentioned embodiment clipping sheet material transport path Ze Men mechanism 5.At this moment, the phase position in the face of touching of the door component in irregular door mechanism 5 is restricted , touch the phase position in face but as long as to be changed door component future and rotate shaft portion and the net of driving Network rotates, to roller segment, the shaft portion driven and carries out double structure.Thus, in JP 2012-030971 In the excellent technique that number publication is recorded, it becomes possible to obtain the distinctive effect of the present invention.

Sheet material conveying device involved in the present invention is not limited to be configured in above-mentioned electrofax mode In image processing system, for example, it is also possible to be provided in include ink-jet recording apparatus, porous printer or In all known image processing system of offset press etc..

Image processing system involved in the present invention is not limited to the printer of above-mentioned embodiment, it is also possible to Including photocopier, facsimile machine, drawing apparatus etc., and have these multiple functions multi-functional outside The image processing system of peripheral equipment etc..It addition, in the above-described embodiment, although the present invention is applicable to The image processing system of the middle transfer body of intermediate transfer belt 125 grade is used as image-carrier, but also It is not limited to this.It is to say, the image processing system of present invention transfer modes direct for tandem, or The single photoreceptor of photoconductor drum or photoreceptor band etc. is used as image-carrier or even latent image carrier Image processing system also be able to be suitable for.Even if in this case, by photosensitive in order to will be formed in Image on body is transferred on sheet material towards image transfer section to transport the sheet of sheet material at image transfer section Material carrying device is provided as the above-mentioned door component of oblique mobile correcting mechanism, it becomes possible to obtain with above-mentioned The effect that embodiment is same.

Further, the present invention is not limited to present embodiment, in the scope of the technological thought of the present invention In, in addition to present embodiment is instructed, it will be apparent that can suitably change present embodiment.It addition, The material of described member of formation, quantity, position, shape etc. are also not limited to present embodiment, are implementing Suitable material, quantity, position, shape etc. can be selected the when of the present invention.

In embodiment of the present invention, the appropriate effect recorded only there are best effective produced by the present invention Really, the effect of the present invention is not limited in embodiments of the present invention described.

Claims (10)

1. a sheet material conveying device, it includes that what the tip of multiple sheet material having and moving touched touches The door component in face, and sheet material is carried out oblique mobile correction:

It is characterized in that, the plurality of door component is upstream side and the downstream being arranged on sheet material conveyance direction Touch face described in respective at least two places of side to touch with the tip of sheet material.

Sheet material conveying device the most according to claim 1, it is characterised in that:

The face of respectively touching of the plurality of door component is being perpendicular to the sheet width direction of described sheet material conveyance direction On be not linear array.

Sheet material conveying device the most according to claim 1 and 2, it is characterised in that:

The position of the rotation direction in the face of respectively touching of the plurality of door component is multiple identical on the same axis 's.

Sheet material conveying device the most according to claim 3, it is characterised in that including:

Drive mechanism, the plurality of door component is carried out rotating driving by it by means of described axle；

Size recognizes mechanism, and it recognizes sheets of sizes；

Phase position testing agency, the phase position in the face of respectively touching of the door component that its detection is the plurality of, and

First controlling organization, it is according to the letter relevant with the sheets of sizes being recognized mechanism's understanding by described size Number and the phase in face of respectively touching with the plurality of door component detected by described phase position testing agency The relevant signal in position, position controls described drive mechanism, so that face of respectively touching occupies corresponding to sheets of sizes And the phase position being previously set.

Sheet material conveying device the most according to claim 4, it is characterised in that:

It is the size set mechanism that sheets of sizes is previously set that described size recognizes mechanism.

Sheet material conveying device the most according to claim 4, it is characterised in that:

The described sheet material conveyance direction that is configured in the plurality of door component of described size understanding mechanism upper Trip side, is the size detection mechanism of detection sheets of sizes.

Sheet material conveying device the most according to claim 5, it is characterised in that including:

Notice mechanism, information is notified by it；

Size detection mechanism, its described sheet material conveyance direction being configured in the plurality of door component upper Trip side, and detect sheets of sizes, and

Second controlling organization, the sheets of sizes detected when described size detection mechanism and being set by described size Determine sheets of sizes that mechanism is previously set inconsistent time, just control described notice mechanism and lead to abnormal Know.

Sheet material conveying device the most according to claim 6, it is characterised in that including:

Notice mechanism, information is notified by it；

Size set mechanism, its setting recognizes the sheets of sizes of mechanism as described size, and

Second controlling organization, the sheets of sizes detected when described size detection mechanism and being set by described size Determine sheets of sizes that mechanism is previously set inconsistent time, just control described notice mechanism and lead to abnormal Know.

9. according to the sheet material conveying device in any of the one of claim 1 to 8, it is characterised in that:

Touching of described at least two places faces in the sheet width direction vertical with described sheet material conveyance direction Centre line is to configure with the position relationship that line is symmetrical.

10. there is an image processing system for the image formation mechanism forming image on the sheet material moved, It is characterized in that:

Include the sheet material conveying device in any of the one of claim 1 to 9.