CN109110529A - After-treatment device - Google Patents

After-treatment device Download PDF

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Publication number
CN109110529A
CN109110529A CN201810372059.1A CN201810372059A CN109110529A CN 109110529 A CN109110529 A CN 109110529A CN 201810372059 A CN201810372059 A CN 201810372059A CN 109110529 A CN109110529 A CN 109110529A
Authority
CN
China
Prior art keywords
sheet material
pallet
processing
treatment device
roller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810372059.1A
Other languages
Chinese (zh)
Inventor
土桥翔
土桥翔一
桥本嘉久
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba TEC Corp
Original Assignee
Toshiba TEC Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba TEC Corp filed Critical Toshiba TEC Corp
Publication of CN109110529A publication Critical patent/CN109110529A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H31/00—Pile receivers
    • B65H31/26—Auxiliary devices for retaining articles in the pile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/06—Feeding articles separated from piles; Feeding articles to machines by rollers or balls, e.g. between rollers
    • B65H5/066—Feeding articles separated from piles; Feeding articles to machines by rollers or balls, e.g. between rollers the articles resting on rollers or balls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/12—Delivering or advancing articles from machines; Advancing articles to or into piles by means of the nip between two, or between two sets of, moving tapes or bands or rollers
    • B65H29/125—Delivering or advancing articles from machines; Advancing articles to or into piles by means of the nip between two, or between two sets of, moving tapes or bands or rollers between two sets of rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H31/00—Pile receivers
    • B65H31/02—Pile receivers with stationary end support against which pile accumulates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H31/00—Pile receivers
    • B65H31/30—Arrangements for removing completed piles
    • B65H31/3009—Arrangements for removing completed piles by dropping, e.g. removing the pile support from under the pile
    • B65H31/3018—Arrangements for removing completed piles by dropping, e.g. removing the pile support from under the pile from opposite part-support elements, e.g. operated simultaneously
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H31/00—Pile receivers
    • B65H31/30—Arrangements for removing completed piles
    • B65H31/3027—Arrangements for removing completed piles by the nip between moving belts or rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H31/00—Pile receivers
    • B65H31/34—Apparatus for squaring-up piled articles
    • B65H31/36—Auxiliary devices for contacting each article with a front stop as it is piled
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H37/00—Article or web delivery apparatus incorporating devices for performing specified auxiliary operations
    • B65H37/04—Article or web delivery apparatus incorporating devices for performing specified auxiliary operations for securing together articles or webs, e.g. by adhesive, stitching or stapling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H43/00—Use of control, checking, or safety devices, e.g. automatic devices comprising an element for sensing a variable
    • B65H43/02—Use of control, checking, or safety devices, e.g. automatic devices comprising an element for sensing a variable detecting, or responding to, absence of articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/42—Piling, depiling, handling piles
    • B65H2301/421—Forming a pile
    • B65H2301/4212—Forming a pile of articles substantially horizontal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/42—Piling, depiling, handling piles
    • B65H2301/421—Forming a pile
    • B65H2301/4213—Forming a pile of a limited number of articles, e.g. buffering, forming bundles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/51—Modifying a characteristic of handled material
    • B65H2301/512—Changing form of handled material
    • B65H2301/5121—Bending, buckling, curling, bringing a curvature
    • B65H2301/51212—Bending, buckling, curling, bringing a curvature perpendicularly to the direction of displacement of handled material, e.g. forming a loop
    • B65H2301/512125—Bending, buckling, curling, bringing a curvature perpendicularly to the direction of displacement of handled material, e.g. forming a loop by abutting against a stop
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/51—Modifying a characteristic of handled material
    • B65H2301/512—Changing form of handled material
    • B65H2301/5125—Restoring form
    • B65H2301/51256—Removing waviness or curl, smoothing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/11—Details of cross-section or profile
    • B65H2404/111—Details of cross-section or profile shape
    • B65H2404/1114—Paddle wheel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/15—Roller assembly, particular roller arrangement
    • B65H2404/152—Arrangement of roller on a movable frame
    • B65H2404/1521—Arrangement of roller on a movable frame rotating, pivoting or oscillating around an axis, e.g. parallel to the roller axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2405/00—Parts for holding the handled material
    • B65H2405/10—Cassettes, holders, bins, decks, trays, supports or magazines for sheets stacked substantially horizontally
    • B65H2405/11—Parts and details thereof
    • B65H2405/111—Bottom
    • B65H2405/1115—Bottom with surface inclined, e.g. in width-wise direction
    • B65H2405/11151—Bottom with surface inclined, e.g. in width-wise direction with surface inclined upwardly in transport direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/10—Size; Dimensions
    • B65H2511/11—Length
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/10—Size; Dimensions
    • B65H2511/13—Thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/20—Location in space
    • B65H2511/21—Angle
    • B65H2511/212—Rotary position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/20—Location in space
    • B65H2511/22—Distance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/50—Occurence
    • B65H2511/515—Absence
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2553/00—Sensing or detecting means
    • B65H2553/60—Details of intermediate means between the sensing means and the element to be sensed
    • B65H2553/61—Mechanical means, e.g. contact arms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/11—Dimensional aspect of article or web
    • B65H2701/113—Size
    • B65H2701/1131—Size of sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/03—Image reproduction devices
    • B65H2801/06—Office-type machines, e.g. photocopiers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/24—Post -processing devices
    • B65H2801/27—Devices located downstream of office-type machines

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Pile Receivers (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Abstract

A kind of after-treatment device is provided, type and size of the above-mentioned after-treatment device regardless of sheet material can steadily detect sheet material presence or absence.After-treatment device has the processing pallet for placing sheet material and detects the presence of the detection sensor for the sheet material being placed on processing pallet.Include: niproll, under the halted state of image forming apparatus, processing pallet is moved to when detection sensor does not detect sheet material；And longitudinally-aligned roller, sheet material is clipped in by its professional etiquette of going forward side by side between niproll by processing pallet and is quantitatively rotated with stretched sheet.The rear end of sheet material is maintained on processing pallet using paddle portion, and sheet material is extended into downstream side using longitudinally-aligned roller, to detect the presence of sheet material by the detection sensor being arranged on processing pallet.

Description

After-treatment device
Technical field
Embodiments of the present invention are related to after-treatment device.
Background technique
It has been known that there is one kind to carry out defined post-processing to the sheet material (paper) being discharged from image forming apparatus (such as MFP) After-treatment device.
In after-treatment device, the sheet material being discharged from MFP is transported to pallet of awaiting orders.Sheet material is fallen on down under pallet of awaiting orders The processing pallet of side simultaneously stacks.The detection sensor for detecting sheet material is provided in processing pallet.Processing pallet is passing through The stapler of post-processing is executed to the sheet material during sheet material progress binding process, being aligned and bearing is stacked.
In the processing of stapling mode, the paper during processing in paper feeding cassette, which disappears and receives operation from MFP, to be stopped referring to When enabling, equipment for after-treatment stops.It receives in the state of handling the stacking sheet material quantity on pallet less than bookbinding quantity When from the operation stop command of MFP, whether there is paper on MFP notifier processes pallet.When there is no sheet materials on determination processing disk When, it executes and forces paper discharge.Also, after the operation for restoring MFP, sheet material is opened from first to be begun to be stacked on processing pallet, It reaches bookbinding number and executes binding process later.If there is sheet material, then awaits orders without sheet material is discharged, wait the operation of MFP extensive Multiple instruction.After resuming operation, remaining sheet material is stacked, and executes binding process after reaching bookbinding number.
In addition, the detection sensor for detecting the presence of the sheet material being arranged on processing pallet, mostly using cheap Mechanically-actuated type.Unless applying a degree of sheet material load, otherwise mechanically-actuated type detection sensor will not be run.
Therefore, when sheet material is thin paper or sheet width is narrow, or when sheets of sizes is big, due to the underloading of sheet material Or the reasons such as bending, the sheet material can not be detected by sometimes resulting in detection sensor.There are sheet material but detection sensing on processing pallet Device can not but detect, therefore, force paper discharge according to the instruction of MFP sometimes, thus the still unbound sheet material of discharge.Therefore, It has a problem that, i.e., whether there is or not the detections of sheet material and unstable.It is extensive in MFP when forcing for sheet material to be discharged from processing pallet It must be begun to stack up from first sheet material after multiple operation, cause processing time and sheet material loss, inefficiency.
Summary of the invention
Subject to be solved by the invention
The subject to be solved by the invention is to provide a kind of after-treatment devices, type or size regardless of sheet material, can It is enough steadily to detect the presence of sheet material.
The method to solve the problem
The after-treatment device of embodiment of the present invention has processing pallet, detection sensor, pressing roller, conveying roller.Processing Pallet places sheet material.Detection sensor detects the presence of the sheet material placed on the processing pallet.When the detection senses When device does not detect the sheet material, pressing roller is moved to the processing pallet.Conveying roller is by the processing pallet by described Material is clipped in it between the pressing roller, and rotates specified amount to stretch the sheet material.
Detailed description of the invention
Fig. 1 is the brief composition figure of the image formation system of embodiment.
Fig. 2 is the side cross-sectional view for showing the composition of the major part of after-treatment device of embodiment.
Fig. 3 is the side cross-sectional view for showing the first movement of after-treatment device of embodiment.
Fig. 4 is the side cross-sectional view for showing the second movement of after-treatment device of embodiment.
Fig. 5 is the side cross-sectional view for showing the third movement of the after-treatment device of embodiment.
Fig. 6 is the first pass figure for showing the processing of after-treatment device of embodiment.
Fig. 7 is the second flow chart for showing the processing of after-treatment device of embodiment.
Fig. 8 is the third flow chart for showing the processing of after-treatment device of embodiment.
Fig. 9 is the 4th flow chart for showing the processing of the after-treatment device of embodiment.
Symbol description
2... image forming apparatus；3... after-treatment device；17... it awaits orders pallet；18... pallet is handled；30... paddle Portion；40... longitudinally-aligned roller (conveying roller)；41... detection sensor；47... niproll (pressing roller)；S... sheet material；SS... Sheet material pile.
Specific embodiment
Hereinafter, being illustrated referring to attached drawing to the after-treatment device of present embodiment.
Referring to figs. 1 to Fig. 8, the equipment for after-treatment 3 in a kind of image formation system 1 of embodiment is illustrated.Fig. 1 Show the brief configuration example of image formation system 1.Image formation system 1 has image forming apparatus 2 (MFP) and post-processing dress Set 3.Image forming apparatus 2 forms image in the recording medium (hereinafter referred to as " sheet material S ") of the sheets such as paper.Post-processing dress 3 pairs are set after sheet material S (substance for being stacked with multiple sheet materials S being called sheet material pile SS) progress that image forming apparatus 2 conveys Reason.
Image forming apparatus 2 includes: control panel (operation portion) 5, scanner section 6, printing portion 7, paper feed portion 8, paper discharge unit 9. Control panel 5 includes various keys or the touch panel etc. for receiving user's operation.After control panel 5 receives with sheet material S Handle the relevant input of type.Control panel 5 can carry out the bookbinding for executing the classification mode of classification processing, executing binding process Mode or do not execute classification processing and binding process overstepping one's bounds quasi-mode selection.
, be after being discharged to sheet material S when having selected overstepping one's bounds quasi-mode, control panel 5 receives one of following selections, i.e., On the fixed tray 14a for managing device 3, or sheet material S is discharged on able tray 14b.Image forming apparatus 2 is set to post-processing Standby 3 send the information of the post-processing type inputted by control panel 5.
Scanner section 6 includes reading part, reads the image information of file destination to be copied.Scanner section 6 is by the figure of reading As information is sent to printing portion 7.Printing portion 7 utilizes toner etc. based on the image information sent from scanner section 6 or external equipment Developer forms output image.Printing portion 7 applies heat and pressure to the toner image being transferred on sheet material S, by color Toner image is fixed on sheet material S.
Paper feed portion 8 forms the timing of toner image according to printing portion 7, and sheet material S is one by one supplied to printing portion 7.Row Paper portion 9 conveys the sheet material S being discharged from printing portion 7 to after-treatment device 3.
Next, being illustrated to after-treatment device 3.
As shown in Figure 1, after-treatment device 3 is disposed adjacent with image forming apparatus 2.After-treatment device 3 passes through control panel 5 Specified post-processing is executed to the sheet material S come from the conveying of image forming apparatus 2.For example, post-processing is binding process etc..
After-treatment device 3 includes await orders portion 12, processing unit 13, discharge unit 14 and post-processing control unit 15.Await orders portion 12 Make to convey the sheet material S temporal persistence (buffering) of coming from image forming apparatus 2.The portion 12 that awaits orders includes awaiting orders pallet 17.For example, logical During crossing the post-processing that processing unit 13 executes leading sheet material S, the portion 12 that awaits orders makes subsequent multiple sheet materials S await orders.Await orders portion 12 The top of processing unit 13 is set.For example, multiple preset sheet material S are overlapped by the portion 12 that awaits orders, and it is at shape of awaiting orders State.Await orders portion 12 make when processing unit 13 empties stop sheet material S to processing unit 13 fall.
The sheet material S that 13 pairs of processing unit conveyings come is post-processed.Processing unit 13 includes processing pallet 18.Processing unit 13 is to more The sheet material pile SS for opening bookbinding number obtained by sheet material S alignment carries out the i.e. binding process of the processing of the stapler based on bookbinding.Processing unit 13 The sheet material S handled later is carried out to the discharge of discharge unit 14.
As depicted in figs. 1 and 2, the top of after-treatment device 3 is arranged in the fixed tray 14a of discharge unit 14.Able tray The side of after-treatment device 3 is arranged in 14b.Able tray 14b can be moved up in above-below direction along the side of after-treatment device 3 It is dynamic.Sheet material S is discharged to fixed tray 14a and able tray 14b from the portion of awaiting orders 12 and processing unit 13.
Post-process the molar behavior that control unit 15 controls after-treatment device 3.That is, as depicted in figs. 1 and 2, post-processing control Portion 15 controls await orders portion 12, processing unit 13 and discharge unit 14.It post-processes control unit 15 and controls entrance roller 20a and 20b, outlet roller The movement of 21a and 21b and assisted guides 22, and control the movement of hook driving mechanism 23 and niproll driving mechanism 25. Post-processing control unit 15 is formed by the control circuit including CPU, ROM and RAM.
Next, each section composition of after-treatment device 3 is described in detail by Fig. 2 to Fig. 5.
In the present embodiment, " upstream side " and " downstream side " refers to upstream side (the image shape on the conveying direction of sheet material S At 2 side of device) and downstream side (side fixed tray 14a or the side able tray 14b)." front end " and " rear end " refers respectively to piece " end of downstream side " and " upstream side end " on material conveying direction.In addition, in the present embodiment, by the plane with sheet material S (piece face direction) direction substantially parallel and substantially orthogonal with sheet material conveying direction is known as sheet width direction W.
As depicted in figs. 1 and 2, after-treatment device 3 has the sheet material S continued after the paper discharge unit 9 of image forming apparatus 2 Transport path 26.Also include a pair of of entrance roller 20a and 20b in transport path 26 and a pair of of outlet roller 21a and 21b, It awaits orders portion 12 and processing unit 13.The inside of after-treatment device 3 is arranged in transport path 26.
Transport path 26 includes the sheet material supply opening 26a for being provided with entrance roller 20a and 20b and is provided with outlet roller 21a With the sheet material outlet 26b of 21b.The paper discharge unit 9 of sheet material supply opening 26a and image forming apparatus 2 is opposite.Sheet material S is from image shape Sheet material supply opening 26a is supplied at device 2.Sheet material outlet 26b is towards the portion of awaiting orders 12.The sheet material S of transport path 26 is passed through The portion of awaiting orders 12 is transported to from sheet material outlet 26b.
As depicted in figs. 1 and 2, the fixed tray 14a of transport path 26 towards discharge unit 14 extends and to branch out second defeated Send path 26c.Second transport path 26c guides sheet material S to fixed tray 14a in overstepping one's bounds quasi-mode.Selecting classification When mode or stapling mode, transport path 26 guides sheet material S to the portion of awaiting orders 12.Conveying of the transport path 26 towards the portion of awaiting orders 12 The longitudinally-aligned roller 40 (conveying roller) of the processing unit 13 in direction downstream side extends and branches out third transport path 26d.
In Fig. 3, entrance roller 20a and 20b are arranged near sheet material supply opening 26a.Entrance roller 20a and 20b are put down each other It is capable and diametrically opposed.Entrance roller 20a is the driven roller that the upper surface side of transport path 26 is arranged in.Entrance roller 20b is to set Set the driven voller in the lower face side of transport path 26.Entrance roller 20a and 20b by sheet material S be clipped between roll gap in.Enter Mouth roller 20a and 20b conveys the sheet material S of clamping to the downstream side of conveying direction.
Outlet roller 21a and 21b are arranged near sheet material outlet 26b.Outlet roller 21a and 21b is parallel to each other and in diameter Upwards opposite to each other.Outlet roller 21a is the driven voller that the upper surface side of transport path 26 is arranged in.Outlet roller 21b is that setting exists The driven roller of the lower face side of transport path 26.Outlet roller 21a and 21b by sheet material S be clipped between roll gap in.Outlet roller 21a and 21b conveys the sheet material S of clamping to conveyance direction downstream side.
Next, being illustrated to the portion of awaiting orders 12.
As shown in Figures 2 and 3, portion 12 is awaited orders with await orders pallet (buffer disc) 17 and assisted guides 22.It awaits orders pallet 17 rear end is located near outlet roller 21a and 21b.Await orders pallet 17 rear end be located at than transport path 26 sheet material arrange 26b is exported closer at lower section.Pallet 17 await orders with the side gradually risen in turn before the downstream side to sheet transport direction Formula tilts relative to horizontal direction.During executing post-processing by processing unit 13, pallet 17 of awaiting orders overlapping multiple sheet materials S simultaneously makes It is awaited orders.
Pallet 17 of awaiting orders have can on the W of sheet width direction it is approaching and distancing a pair of tray member.Work as piece For material S when pallet 17 of awaiting orders is awaited orders, a pair of of tray member can be closer to each other with supporting sheet S.When from awaiting orders pallet 17 from When the movement sheet material S of processing pallet 18 in reason portion 13, a pair of of tray member is separated from each other, and holds in the palm supported sheet material S to processing Disk 18 falls (movement).
The top for pallet 17 of awaiting orders is arranged in assisted guides 22.Assisted guides 22 have and the basic phase of pallet 17 of awaiting orders Same length, such as on the sheet material conveying direction.Assisted guides 22 are mobile from pallet 17 of awaiting orders to processing pallet 18 in sheet material S When, sheet material S is pushed to handle pallet 18.Assisted guides 22 have swinging axle in the end in the downstream side of sheet material conveying direction. Assisted guides 22 swing the end of upstream side of sheet material conveying direction downwards by swinging axle, and by sheet material S to processing Pallet 18 pushes.
Paddle portion 30 is provided between the upstream side for pallet 17 of awaiting orders and the upstream side of processing pallet 18.Paddle portion 30 with along It rotates centered on the rotary shaft of sheet width direction W, thus presses sheet material S to processing pallet 18.Paddle portion 30 sheet material S from When pallet 17 of awaiting orders is mobile to processing pallet 18, the rear end of sheet material S is pushed to handle pallet 18.Paddle portion 30 has by rubber etc. The paddle 30a that elastic material is formed, and pressed the rear end of sheet material S to processing pallet 18 by paddle 30a.
Paddle portion 30 rotates counterclockwise along figure in the state that paddle 30a is with sheet material S contact.Processing support is fallen in as a result, Sheet material S on disk 18 is moved or is pushed to the upstream side of the sheet material conveying direction of processing unit 13.Paddle portion 30 and setting are in processing unit The longitudinally-aligned roller 40 in 13 downstream side and the rear end retainer 32 that upstream side is arranged in constitute longitudinally-aligned device together, this is vertical Execute the alignment (so-called longitudinally-aligned) of sheet material S on the sheet material conveying direction to alignment means.
Paddle portion 30 can change the angle of paddle 30a abutted with the sheet material S of processing pallet 18, to adjust the movement of sheet material S Or the pressure of pressing.By the way that paddle 30a is changed to the different component of rigidity, mobile or pressing pressure can be also adjusted.
Next, being illustrated to processing unit 13.
As shown in Figures 2 and 3, processing unit 13 includes processing pallet 18, laterally aligned plate 33, rear end retainer 32, stapler Machine (binding process portion) 35, backing-out punch (ejector) 36, thruster 36a, hook (pushing mechanism) 38, hook band 39 and longitudinal direction Alignment roller 40.In addition, being equipped with the detection sensing for detecting the presence of sheet material S on the conveyance plane 18a of sheet material S for placing processing pallet 18 Device 41.
The lower section for pallet 17 of awaiting orders is arranged in processing pallet 18.Pallet 18 is handled with to the downstream of sheet material conveying direction The mode gradually risen in turn before side tilts relative to horizontal direction.Processing pallet 18 for example with await orders pallet 17 substantially in parallel Inclination.Handle the conveyor surface 18a that pallet 18 has supporting sheet S (sheet material S is placed on it).
Two sides on the sheet width direction W of the conveyor surface 18a of processing pallet 18 have been oppositely disposed a pair of laterally right Neat plate 33.A pair of laterally aligned plate 33 is arranged with being separated from each other on the W of sheet width direction.Laterally aligned plate 33 can be in sheet material On width direction W, moved on direction in direction close to each other and away from each other.Laterally aligned plate 33 constitutes laterally aligned dress It sets, the alignment (so-called laterally aligned) of sheet material S is carried out on the W of sheet width direction.
The end of the upstream side of processing pallet 18 is arranged in rear end retainer 32.Pass through the longitudinally-aligned up time along figure of roller 40 The reverse rotation in needle direction drives, and the rear end the sheet material S retainer 32 being placed on processing pallet 18 conveys.Longitudinally-aligned roller 40 The upstream side of sheet material S is abutted with rear end retainer 32 with the cooperation of paddle portion 30, thus executes the longitudinally-aligned of sheet material S.Pass through Longitudinally-aligned roller 40 is counterclockwise rotated in the forward direction into driving along figure, and is cooperated with the paddle portion 30 of the rear end of pressing sheet material S, To stretch thin and light sheet material S and curved sheet material S.Sheet material S is stretched planarly to abut with conveyor surface 18a, and is pushed away The end of dynamic mechanically-actuated type detection sensor 41.
The rear of processing pallet 18 is arranged in stapler 35.Stapler 35 can by abut rear end retainer 32 and be aligned Order jail in the end of sheet material S.When selecting stapling mode, the sheet material pile SS's of 35 pairs of stapler abutting rear end retainers 32 and alignment End carries out binding process.
The initial position of the upstream side of processing pallet 18 is arranged in backing-out punch 36.Backing-out punch 36 is provided in side view sight It examines down Chong Die with rear end retainer 32.Backing-out punch 36 can make sheet material S mobile to conveyance direction downstream side.When backing-out punch 36 is to defeated When sending the downstream side in direction mobile, backing-out punch 36 makes the sheet material pile SS for having carried out binding process or classification processing advance.Backing-out punch 36 the end of sheet material pile SS are arranged in the position that can be transferred to hook 38.Backing-out punch 36 is by the initial bit before above-mentioned movement Set force.
Thruster (thruster) 36a is arranged along conveyor surface 18a.Thruster 36a can be with backing-out punch 36 together to piece The downstream side of material conveying direction is mobile.When thruster 36a is mobile to the downstream side of conveying direction, thruster 36a is right from longitudinal direction Neat roller 40 is more prominent to the downstream side of conveying direction.Thruster 36a so that conveyor surface 18a from longitudinally-aligned roller 40 more towards conveying The mode that direction downstream side extends is prominent.Initial position before the movement, thruster 36a is from longitudinally-aligned roller 40 more to defeated Direction upstream side is sent to submerge.Thruster 36a is exerted a force to the initial position before the movement.
Hook 38 shown in Fig. 2 is fixed on hook band 39.Hook band 39, which is circumferentially hanged up, is being located at processing pallet 18 Between conveying direction upstream side and a pair of of belt pulley 43a and 43b in downstream side.The belt pulley 43a of conveyance direction downstream side is arranged It is Chong Die with longitudinally-aligned roller 40 in the case where side view is observed.The belt pulley 43a of conveyance direction downstream side is driving pulley, passes through the drive The rotation of movable pulley drives hook band 39.These hook bands 39 and belt pulley 43a, 43b constitute the hook for driving hook 38 Pawl driving mechanism 23.
With the driving of hook band 39, hook 38 is mobile from lower face side (back side) along the coiling direction of hook band 39 To the conveyor surface 18a of upper surface side.Conveying side of the hook 38 on conveyor surface 18a with the sheet material S being placed on processing pallet 18 End abutment to the upstream side, and sheet material S is conveyed in a manner of releasing to the conveyance direction downstream side of processing pallet 18.Hook 38 is mobile to the downstream side of sheet material conveying direction in the upper surface side (side conveyor surface 18a) for handling pallet 18.
After feeding sheets S, hook 38 is along the periphery of the belt pulley 43a of the front end side of processing pallet 18 to lower surface Side is mobile.Later, hook 38 keeps the lower face side for handling pallet 18 mobile to the upstream side of sheet material conveying direction.Hook 38 is to locate It awaits orders as original position HP the lower face side for managing the front of the belt pulley 43b of the rear end side of pallet 18.Hook 38 is along processing The periphery of the belt pulley 43b of the rear end side of pallet 18 is moved to conveyor surface 18a from original position HP, and conveys and produce from backing-out punch 36 Sheet material pile up SS.
Hook driving mechanism 23 has is driven by the conduct that hook 38 (belt pulley 43a), backing-out punch 36 and thruster 36a share The hook driving motor 45 in dynamic source.Hook driving motor 45 is permanently connected to belt pulley 43a, but via electromagnetic clutch 46 with energy The mode being enough connected and disconnected from is connected to backing-out punch 36 and thruster 36a.Hook driving mechanism 23 is only opened in electromagnetic clutch 46 When dynamic (when connection), backing-out punch 36 and thruster 36a is set to advance using the driving force of hook driving motor 45.It backing-out punch 36 and pushes away Power device 36a returns to the initial position before advancing by the elastic force of itself (when disconnection) when electromagnetic clutch 46 is closed.
When counter clockwise direction of the belt pulley 43a in figure rotates in the forward direction driving, hook 38, displacer 36 and thruster 36a is moved to downstream side (left side in figure) from conveying direction upstream side on the conveyor surface 18a of processing pallet 18.Work as belt pulley When clockwise direction of the 43a in figure reversely rotates driving, hook 38, backing-out punch 36 and thruster 36a are in processing pallet 18 Conveying direction upstream side (right side in figure) is moved on conveyor surface 18a.
Longitudinally-aligned roller 40 rotates in the forward direction driving by the counter clockwise direction in figure, to the able tray of discharge unit 14 14b conveying is placed on the sheet material S on processing pallet 18.Longitudinally-aligned roller 40 is placed on processing pallet 18 by contact from below Sheet material S come to sheet material S apply driving force.At this point, as shown in figure 3, when the sheet material S flexure on processing pallet 18 and with it is longitudinal right When neat roller 40 separates, the driving force of longitudinally-aligned roller 40 cannot be applied to sheet material S.Therefore, in the top of processing pallet 18 (at this The top of pallet 17 of awaiting orders in embodiment), it is provided with for sheet material S to be clipped in its own between longitudinally-aligned roller 40 Niproll 47 is used as pressing roller.
Niproll 47 is the driven voller without driving source.Niproll 47 can be located at awaiting orders above pallet 17 of awaiting orders It position (referring to Fig. 3) and is moved between the rotation position (referring to fig. 2,4 and 5) of longitudinally-aligned roller 40.Niproll 47 is by pressing from both sides It holds the driving of roller driving mechanism 25 and is moved between standby position and rotation position.By the rotation that niproll 47 is moved to lower section Indexing is set, and niproll 47 is pressed against longitudinally-aligned roller 40 so that sheet material S is sandwiched therebetween.Thereby, it is possible to by the drive of longitudinally-aligned roller 40 Dynamical stability it is transmitted to sheet material S.
In stapling mode, the sheet material S being placed on the conveyor surface 18a of processing pallet 18 is retained, until they are stacked SS is piled up at the sheet material of bookbinding number.Both existed in sheet material S it is thin and light or curved, there is also A3 etc. be easily bent it is large-sized Sheet material.Therefore, even multiple sheet materials S, detection sensor 41 can not also detect sometimes.In this case, as shown in figure 5, In the state that the rear end of sheet material S is pressed by paddle portion 30, the front end of sheet material S be sandwiched in longitudinally-aligned roller 40 and niproll 47 it Between and extend to downstream side.Even if sheet material S is thin and light, or even if bending, also can after being extended by detection sensor 41 Detection.
Fig. 3 and niproll driving mechanism 25 shown in Fig. 4 have supporting arm 49, support and clamp in front end (leading end portion) While roller 47, base end part (rear end) can be swung along sheet width direction W around axis.The base end part of supporting arm 49 is linked with Solenoid 50.As shown in figure 3, niproll 47 passes through supporting arm centered on axis when solenoid 50 drives so that plunger is prominent 49 swing upwards and are moved to standby position.As shown in figure 4, when solenoid 50 makes plunger and submerges (attraction), niproll 47 It is swung downwards by supporting arm 49 and is moved to rotation position.Niproll 47 presses longitudinally-aligned roller 40 in rotation position.
It is mechanically-actuated type for detecting the presence of detection sensor 41 existing for sheet material S.Detection sensor 41 is held in the palm from processing The conveyor surface 18a of disk 18 is prominent in such a way that such as sensor portion can retreat.When sheet material S is fallen from pallet 17 of awaiting orders, inspection The sensor portion for surveying sensor 41 is supported promotion and shifts, to detect sheet material S.The sheet material S being stacked on processing pallet 18 Number by the transport path 26 in after-treatment device 3 sensor (not shown in FIG.) detect.
Pass through biggish step and space from transport path 26 by the sheet material S that third transport path 26d is conveyed, until arriving Up to the longitudinally-aligned roller 40 of processing pallet 18.Therefore, the ramped shaped haunted on conveyor surface 18a can be set in processing pallet 18 Guiding piece (not shown in FIG.).As a result, under overstepping one's bounds quasi-mode, when selecting discharge mesh of the able tray 14b as sheet material S Ground when, it will be able to processing pallet 18 longitudinally-aligned roller 40 steadily guide from third transport path 26d convey sheet material S。
In overstepping one's bounds quasi-mode, when selecting discharge destination of the fixed tray 14a as sheet material S, control unit is post-processed Sheet material S is transported to the second transport path 26c, and sheet material S is expelled to admittedly by 15 control branch components (not shown in FIG.) etc. Determine pallet 14a.
When selecting stapling mode or classification mode, post-processing control unit 15 controls branch components etc., and sheet material S is transported to Third transport path 26d, and sheet material S is transported to the portion of awaiting orders 12.It later, will by controlling await orders portion 12 and processing unit 13 The sheet material S for executing buffering and post-processing is expelled to able tray 14b.
The after-treatment device 3 of the image formation system 1 of present embodiment has above-mentioned composition, next, description is handled Sheet material in pallet 18 is with/without detection control method.
In after-treatment device 3, stapling mode is selected.It is conveyed from the paper discharge unit 9 of image forming apparatus 2 to transport path 26 Sheet material S be transported to the pallet 17 of awaiting orders in the portion of awaiting orders 12.Multiple sheet materials S is retained on pallet 17 awaiting orders.When in processing pallet When completing the binding process of sheet material pile SS on 18 and sheet material pile SS is discharged, from multiple sheet materials S of accumulation is fallen on from pallet 17 of awaiting orders It manages on pallet 18.Also, pallet 18 is handled when residue sheet material S is fallen on from pallet 17 of awaiting orders, and reaches the sheet material pile of bookbinding number When SS, after the alignment, binding process is executed by stapler 35.When the sheet material pile SS that binding process is completed is counterclockwise along figure When driving hook band 39, hook 38 is moved to upstream side from original position HP.Later, hook 38 along conveyor surface 18a downstream It is mobile, it receives and SS is piled up by the sheet material that backing-out punch 36 pushes, squeezed out to downstream side and be discharged.
Next, falling in multiple sheet materials S stopped on processing pallet 18 from pallet 17 of awaiting orders.At this point, being formed in image In such as paper feed portion 8 of device 2, when sheet material S is drained, image forming apparatus 2 just suspends.After-treatment device 3 comes from receiving Stop when the movement of image forming apparatus 2 is ceased and desisted order, and notifies to stop completing information etc. to image forming apparatus 2.
In this state, when detection sensor 41 detects the sheet material S in processing pallet 18, enter armed state Until image forming apparatus 2 drives again.When image forming apparatus 2 drives again, supplies and preset in processing pallet 18 Binding process needed for after remaining sheet material S, restore binding process.The original of the pause of image forming apparatus 2 (movement halted state) Cause also can be the situation too high or too low for temperature of fuser sometimes other than the sheet material S in paper feed portion 8 is finished, or selection The case where manual stapler etc..
In the case where detection sensor 41 detects that sheet material S is not present, even if with the presence of sheet material S on processing pallet 18, As shown in figure 3, when sheet material S is thin and light or bending, it is also possible to can't detect.Even if detection sensor 41 detects sheet material S, such as Fruit user takes out sheet material S before image forming apparatus 2 drives again, even if supplying after driving image forming apparatus 2 again Remaining sheet material S, sheet material number needed for binding process is also insufficient.
Sheet material showing with/without detection control method in the case of these along the flow chart of Fig. 6 to Fig. 8, will be described below Example.
It is extensive from the halted state of image forming apparatus 2 supply sheet material S to paper feed portion 8 as shown in the first pass figure of Fig. 6 Multiple operation (ACT1).After-treatment device 3 drives again according to the instruction from image forming apparatus 2.Detection sensor 41 is examined Surveying sheet material S whether there is on the processing pallet 18 of after-treatment device 3 (ACT2).The (YES) when detecting sheet material S, passes through ACT3 It notifies image forming apparatus 2, continues the processing of after-treatment device 3 same as before.If sheet material S (no) is not detected, in ACT4 In be confirmed whether it is stapling mode.If not stapling mode (no), then continue the processing of the after-treatment device 3 under the mode. If it is stapling mode (YES), then the sheet material that processing pallet 18 is carried out in the second procedure of ACT5 controls (sheet material with/without detection It checks).
In second flow chart shown in Fig. 7, the paddle portion 30 of after-treatment device 3 shown in Fig. 3 rotates counterclockwise along figure. The rear end for the sheet material S being placed on processing pallet 18 is retracted and pressed by the paddle 30a in paddle portion 30.Example shown in Fig. 3 In son, due to as the big sheet material S of this size such as A3 be it is curved, detection sensor 41 cannot detect it.Post-processing Control unit 15 controls niproll driving mechanism 25, so that niproll 47 rotates and declines (ACT10) downwards.
As a result, as shown in figure 4, the sheet material S being placed on the conveyor surface 18a of processing pallet 18 is clamped and is maintained at longitudinal Between alignment roller 40 and niproll 47.The driving force of longitudinally-aligned roller 40 is applied on sheet material S by the pressing force of niproll 47. As shown in Figure 5, by ACT11 along rotating longitudinally-aligned roller 40 by specified amount, rear end quilt The sheet material S that paddle portion 30 presses downstream linearly stretches (ACT12).The regulation rotation amount of longitudinally-aligned roller 40 is preset, Make it possible to be bent according to eliminations such as the length of sheet material S and thinnesses, even thin paper, can also apply tension and can be by detecting Sensor 41 detects.
It since tension is applied to sheet material S by the rotation of longitudinally-aligned roller 40, and bends and eliminates, therefore, pass through machinery Activating profile detection sensor 41 determines whether the presence (ACT13) of sheet material S again.When there are (YES) when sheet material S, image shapes for judgement It is notified at device 2 and is maintained at armed state (ACT14).After the operation of image forming apparatus 2 restores, remaining sheet material S It is supplied to processing pallet 18 by pallet 17 of awaiting orders, and is stacked, until reaching the sheet material pile SS of bookbinding number.
When by detection sensor 41 determining that sheet material S is not present (no), detecting it not in ACT15 is the second operation, just Back to ACT11.In ACT11, rotate longitudinally-aligned roller 40 again according to specified amount in sheet material discharge direction.Detection sensor 41 carry out second, and whether there is or not judgements existing for sheet material S (referred to as to operate again).If existed being determined with sheet material S for the second time, into Row enters ACT14.If it is determined that sheet material is not present, then second of judgement is completed in ACT15 confirmation.Control niproll driving mechanism 25, so that niproll 47 is far from longitudinally-aligned roller 40 and rises (ACT16).Paddle portion 30 is set to return to the original position far from conveyor surface 18a It sets.Do not have sheet material (ACT18) on 2 notifier processes pallet 18 of image forming apparatus, sheeting material is controlled with/without judgement.
Return to first pass figure shown in fig. 6, in ACT6, detection sensor 41 reaffirm processing pallet 18 on whether there is or not Sheet material S.If there is no sheet material (no), then processing, which is gone to, receives operation, and the processing of image forming apparatus 2 is waited to start.When There is (YES) in the presence of sheet material, the registration process (ACT7) of sheet material pile SS is executed in the third flow chart of Fig. 8.
In the third flow chart of Fig. 8, by restoring the operation of image forming apparatus 2, remaining sheet material S is supplied to processing Pallet 18, and the sheet material for becoming bookbinding number piles up SS.In registration process, in Fig. 5, rotate paddle portion 30 counterclockwise along figure Specified amount draws sheet material pile SS to upstream side (ACT21).It is rotated clockwise longitudinally-aligned roller 40 along figure, it will Sheet material pile SS draws to upstream side and it is made to abut (ACT22) with rear end retainer 32.Sheet material pile SS is right on longitudinal direction as a result, Together.Confirm that the pull-out of the sheet material pile rear end SS retainer 32 is completed.
Next, keeping the laterally aligned plate 33 of a pair of the sheet material pile two sides SS close to each other on such as sheet width direction W Direction and direction away from each other on move back and forth twice, to execute laterally aligned (ACT23) of sheet material pile SS.Then, paddle Portion 30 is rotated in the counterclockwise direction specified amount again, and sheet material pile SS is retracted upstream side (ACT24).Stop longitudinally-aligned roller 40 Rotation, with complete sheet material pile SS alignment work (ACT25).Later, the sheet material pile on 35 binding process pallet 18 of stapler SS.Also it can be omitted the processing step longitudinally-aligned again of ACT25.
As described above, in the present embodiment, under the halted state of image forming apparatus 2, even if sheet material S be thin paper or The case where bending or sheet material S size are big, also can reliably be carried out by detection sensor 41 processing pallet 18 in whether there is or not sheet materials Existing detection.Moreover, can reduce cost by using mechanically-actuated type detection sensor 41.In stapling mode, pass through It is repeated twice the stretching of sheet material S in processing pallet 18 and whether there is or not the detections of sheet material, the mistake in sheet material inspection can be eliminated.Energy It enough prevents sheet material S of the detection sensor 41 not in detection processing pallet 18 and forces to be discharged, and can subtract after resuming operation Leeway is handled less.
Hereinafter, for modified embodiment of the present embodiment, for the same or similar part of above embodiment and Component is all made of identical symbol and is illustrated.
In the above-described embodiment, the image on sheet material S is continuously performed using image forming apparatus 2 and after-treatment device 3 Formation and binding process.As the variation of above embodiment, user can also without using image forming apparatus 2 and manually The sheet material of bookbinding bookbinding number piles up SS.Even in this case, if the sheet material S of sheet material pile SS is thin and light, or it is big Size, then sheet material pile SS is bent on processing pallet 18 sometimes.In this case, after can also be by present embodiment Processing unit 3 carries out sheet material and controls with/without detection.Referring to the 4th flow chart shown in Fig. 9, which is illustrated.
Under the halted state of image forming apparatus 2, bookbinding mould manually is changed by the operation button of after-treatment device 3 Formula.In addition, executing binding process by pressing operation button.
In the manual stapling mode shown in the 4th flow chart of Fig. 9, the sheet material for binding number pile SS is supplied to by user Handle pallet 18.Judging processing pallet 18 by detection sensor 41, whether there is or not sheet materials to pile up SS (ACT31).When passing through detection sensor 41 determine that sheet material pile SS there are when (YES), executes binding process by stapler 35 in ACT35.When judgement sheet material pile SS is not deposited At (no), the second procedure of Fig. 7 is entered in ACT32, to execute the sheet material inspection of sheet material pile SS.
Sheet material inspection as a result, if in ACT 33 by detection sensor 41 determine sheet material pile SS be not present (no), It ends processing.SS (YES) is piled up if there is sheet material, then executes the alignment of sheet material pile SS according to the third flow chart of Fig. 8 in ACT34 Processing.Then, binding process is executed in ACT35, sheet material is bound by stapler 35 and piles up SS.
As described above, the after-treatment device 3 of present embodiment also can be applied to bind manually.
In the above-described embodiment, after-treatment device 3 is separated with image forming apparatus 2, but after-treatment device 3 is also possible to Such as the image forming apparatus with trimmer (finisher) in fuselage in cabinet.
When handling the sheet material in pallet 18 with/without detection control (sheet material inspection), embodiment and variation are by examining When survey sensor 41 has carried out the judgement without sheet material S, it is repeated twice identical judgement control.However, sheet material is controlled with/without detection It is not limited to twice.If judging precision height by the inspection that detection sensor 41 detects the presence of sheet material, can once terminate, it can also be with Carry out judgement more than three times.
In embodiment and variation, after sheet material is with/without detection control, the registration process of sheet material pile SS is executed, But registration process also can be omitted.
In the above-described embodiment, by the sheet material S on 40 stretch processing pallet 18 of paddle portion 30 and longitudinally-aligned roller, by detecting Sensor 41 detects the presence of the presence of sheet material S.Detection sensor 41 is arranged between paddle portion 30 and longitudinally-aligned roller 40, can be only It is detected by the sheet material S on longitudinally-aligned 40 stretch processing pallet 18 of roller.In this case, sheet material S is clipped in longitudinally-aligned roller Between 40 and niproll 47, pallet 18 will be handled in the way of it will not be moved to the degree in downstream side by longitudinally-aligned roller 40 Sheet material S rotates and extends.As a result, sheet material S can also be detected by detection sensor 41.
In the above-described embodiment, figure is received in the state that the sheet material pile S in processing pallet 18 is fewer than bookbinding number When picture forms the movement halt instruction of device 2, just when resuming operation, whether there is or not sheet materials in detection processing pallet 18.It replaces, Can also the operation of image forming apparatus 2 pause after, operation recovery before period, by sheet material with/without detection Control come detection processing pallet 18 on whether there is or not the presence of sheet material.Even in this case, as long as user does not carry out from processing The operation such as sheet material S is taken out in pallet 18, so that it may accurately carry out that whether there is or not the detection of sheet material controls as in the present embodiment.
In this embodiment it is assumed that the armed state of sheet material processing includes the halted state of above-mentioned image forming apparatus 2 Or halted state.
At least one embodiment according to the above description, by have pressing processing pallet in sheet material pressing roller and Conveying roller, can be under the armed state of image forming apparatus, sheet material that stretching and detection cannot be detected by detection sensor.
Although the description of several embodiments, but these embodiments are intended only as example and propose, it is not intended that limit Surely the range invented.These embodiments can be implemented with various other ways, can be in the objective for not departing from invention Various omissions, substitutions and changes are carried out in range.These embodiments and modifications thereof are included in the scope and spirit of invention, It is similarly included in the range of invention and its equalization documented by claims.

Claims (5)

1. a kind of after-treatment device, which is characterized in that have:
Pallet is handled, the processing pallet places sheet material；
Detection sensor detects the presence of the sheet material being placed on the processing pallet；
Pressing roller is moved to the processing pallet when the detection sensor does not detect the sheet material；And
Conveying roller, the conveying roller by the processing pallet by the sheet clamping at it between the pressing roller, and revolve Turn specified amount.
2. after-treatment device according to claim 1, wherein have in the upstream of the conveying roller of the processing pallet Side keeps the paddle of the sheet material.
3. after-treatment device according to claim 2, wherein the sheet material is delivered to upstream side by the paddle rotation.
4. after-treatment device according to claim 2 or 3, wherein the paddle keeps the load set of sheet material for greater than institute State the conveying capacity of conveying roller.
5. after-treatment device according to any one of claim 1 to 4, wherein the regulation of the conveying roller is repeated several times Amount rotation and the detection based on the presence or absence of detection sensor sheet material.
CN201810372059.1A 2017-06-22 2018-04-24 After-treatment device Pending CN109110529A (en)

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JP2017-122271 2017-06-22

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CN111747150A (en) * 2019-03-27 2020-10-09 东芝泰格有限公司 Sheet processing apparatus

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JP2868691B2 (en) * 1993-08-25 1999-03-10 シャープ株式会社 Sheet post-processing equipment
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US9567183B2 (en) * 2013-12-16 2017-02-14 Canon Finetech Inc. Sheet processing apparatus and image forming system having the same
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Application publication date: 20190101