CN109956347A - Sheet conveyance apparatus, image-reading device and imaging device - Google Patents
Sheet conveyance apparatus, image-reading device and imaging device Download PDFInfo
- Publication number
- CN109956347A CN109956347A CN201811580362.7A CN201811580362A CN109956347A CN 109956347 A CN109956347 A CN 109956347A CN 201811580362 A CN201811580362 A CN 201811580362A CN 109956347 A CN109956347 A CN 109956347A
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- China
- Prior art keywords
- opening
- auxiliary part
- closing component
- component
- rotating member
- Prior art date
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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
- B65H1/00—Supports or magazines for piles from which articles are to be separated
- B65H1/08—Supports or magazines for piles from which articles are to be separated with means for advancing the articles to present the articles to the separating device
- B65H1/14—Supports or magazines for piles from which articles are to be separated with means for advancing the articles to present the articles to the separating device comprising positively-acting mechanical devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H3/00—Separating articles from piles
- B65H3/02—Separating articles from piles using friction forces between articles and separator
- B65H3/06—Rollers or like rotary separators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H3/00—Separating articles from piles
- B65H3/02—Separating articles from piles using friction forces between articles and separator
- B65H3/06—Rollers or like rotary separators
- B65H3/0684—Rollers or like rotary separators on moving support, e.g. pivoting, for bringing the roller or like rotary separator into contact with 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
- B65H5/062—Feeding articles separated from piles; Feeding articles to machines by rollers or balls, e.g. between rollers between 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
- B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
- B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
- B65H7/04—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to absence of articles, e.g. exhaustion of 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
- B65H2402/00—Constructional details of the handling apparatus
- B65H2402/40—Details of frames, housings or mountings of the whole handling apparatus
- B65H2402/44—Housings
- B65H2402/441—Housings movable for facilitating access to area inside the housing, e.g. pivoting or sliding
-
- 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
- B65H2511/51—Presence
-
- 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
- B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
- B65H2511/50—Occurence
- B65H2511/52—Defective operating conditions
- B65H2511/528—Jam
-
- 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
- B65H2553/00—Sensing or detecting means
- B65H2553/80—Arangement of the sensing means
- B65H2553/81—Arangement of the sensing means on a movable element
-
- 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
- B65H2553/80—Arangement of the sensing means
- B65H2553/83—Arangement of the sensing means selectively positionable in operative state
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2555/00—Actuating means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2601/00—Problem to be solved or advantage achieved
- B65H2601/10—Ensuring correct operation
- B65H2601/11—Clearing faulty handling, e.g. jams
-
- 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
- B65H2801/03—Image reproduction devices
- B65H2801/09—Single-function copy machines
Abstract
The present disclosure discloses a kind of sheet conveyance apparatus, image-reading device and imaging device, sheet conveyance apparatus includes: rotatable opening and closing component；Rotating member, setting is on opening and closing component and can be rotated by sheet material；Auxiliary part, it is arranged on opening and closing component, and first position is in when opening and closing component is in the closed position, and the second position is in when opening and closing component is in an open position, wherein, when auxiliary part is in the second position, auxiliary part pushes rotating member to open and close component side.
Description
Technical field
The present invention relates to a kind of equipment, the equipment has for detecting the present or absent rotating member of sheet material.
Background technique
The imaging device (such as electrophotographic copier) recorded on sheet material using electrophotographic method includes figure
As reading equipment, described image, which reads equipment, has image reading section；Imaging moiety, the imaging moiety carry structure in image
Toner image is formed on part (such as photosensitive drums)；And sheet conveyance apparatus, the sheet conveyance apparatus are used to hold in the palm from feeding
Disk etc. transmits sheet material.
Such sheet conveyance apparatus has the mechanism whether being stacked on sheet-stacking pallet for detecting sheet material.Such
Material testing agency, which has, is for example arranged in can mark by the detection of its self weight rotation in sheet conveying path.When sheet material cloth
It sets when on sheet-stacking pallet, sheet material detection label is pushed by the front end of sheet material, and is rotated to release to Photo Interrupter
Shielding to identify the presence of sheet material.On the contrary, sheet material detection label stops the light of Photo Interrupter to identify piece when not having sheet material
The state that material is not present.In this way it is possible to determine the existence or non-existence of sheet material.
It, can be with when being blocked during transmission there is a situation where sheet material in addition, in sheet conveyance apparatus as described above
Make sheet conveying path exposure, so as to remove the sheet material blocked.For this purpose, sheet conveying path by equipment body and
The opening and closing component that can be rotated relative to equipment body is constituted.When sheet material is stuck, by Unscrew and structure is closed
Part exposes transmitting path, so as to removing the sheet material blocked.
In above-mentioned construction, when opening and closing component rotates to exposed sheet conveying path, sheet material detection label is logical
It crosses its self weight rotation and is retracted into and contacted with the surface for opening and closing component.However, excessively being beaten when opening and closing component
When opening, opening and closing component may collide with surrounding objects, such as the wall surface of installation site.Therefore, rotation angle is limited
System is within a predetermined range.In this case, even if opening and closing, component rotates and sheet conveying path is completely exposed, piece
Material detection label may also will not be retracted into the inside for opening and closing the surface of component and can be able to maintain from opening and closing
The surface of component is prominent.Under such state, if executing the replacement operation etc. for the component being located near sheet material detection label,
Sheet material detection label is likely to be broken.
To solve the above-mentioned problems, for example, Japanese Patent Application Laid-Open No.2010-64851 proposes a kind of construction,
It is provided with the wt part for generating the turning moment around rotation axis in the construction in detection label in sheet material.When
When by Unscrew and closure element exposure sheet conveying path, turning moment is generated by wt part, so that sheet material detects
It marks against the surface for opening and closing component, is retracted in the surface for opening and closing component so that sheet material is detected label
Portion.
However, being set as disclosed in Japanese Patent Application Laid-Open No.2010-64851 when on sheet material detection label
When setting wt part, the tilt angle based on the relationship adjustment label for generating the turning moment on label is needed, and by piece
The angle that material detection label and sheet-stacking pallet are formed may become smaller.In this case, sheet material detection is marked due to it certainly
The reaction force generated again becomes larger, and sheet material may be easily bent when fine sheet is arranged.
It is contemplated that for preventing the sheet material detection label in attended operation outstanding from the surface for opening and closing component
Another method, in the method when opening and closing component closing, sheet material detection label is arranged so that detection label
Rotation center be located at open and close component upper position at.In this way, when opening and closing component rotates to cruelly
When revealing transmitting path, sheet material detection label is easily hidden by opening and closing component.
However, when the rotation center of sheet material detection label is located at the upper position for opening and closing component, sheet material inspection
The distance between mark note and sheet-stacking pallet become larger, so that needing to extend sheet material detection label.In particular, if feeding support
Disk has lifting construction, then needs further to extend sheet material detection label.When the radius of turn of sheet material detection label becomes larger, need
Notch is set in the guiding elements for for example opening and closing component to avoid the rotational trajectory of label, this causes intensity to drop
It is low.
Summary of the invention
According to the present invention, the present invention relates to a kind of equipment, the equipment includes:
Component is opened and closed, the opening and closing component is constructed to be permeable to rotate and be configured to be located at closed position
The open position and；
Rotating member, the rotating member can be rotatably set on the opening and closing component and be constructed to be permeable to
It is rotated by sheet material；And
Auxiliary part, the auxiliary part are arranged on the opening and closing component, and the auxiliary part is configured to work as
The opening and closing component is located at first position when being located at closed position, and is configured to when the opening and closing component position
It is located at the second position when open position, wherein the auxiliary part is constructed to be permeable to through the opening and closing component from institute
The rotation of closed position towards the open position is stated since the weight of the auxiliary part is displaced to institute from the first position
The second position is stated,
Wherein, the auxiliary part be configured to when the auxiliary part is located at the second position towards it is described opening and
Closure element side pushes the rotating member.
According to the description below with reference to attached drawing to exemplary embodiment, other feature of the invention be will become obvious.
Detailed description of the invention
Fig. 1 is the view for schematically showing the overall construction of the image-reading device with sheet conveyance apparatus.
Fig. 2 is the view for schematically showing the construction of document tray and transmission unit of sheet conveyance apparatus.
Fig. 3 is the plan view of the feeding part and separate section of sheet conveyance apparatus.
Fig. 4 is the perspective view near the document setup detection sensor of sheet conveyance apparatus.
Fig. 5 is the cross-sectional view of the auxiliary part near the document setup detection sensor of sheet conveyance apparatus.
Fig. 6 is to mark the abutment portion and auxiliary of component when the opening and closing guiding piece of sheet conveyance apparatus is closed
The perspective view of the auxiliary abutment portion of component.
Fig. 7 A, Fig. 7 B and Fig. 7 C are shown before arranging by document and being fed into the document tray of sheet conveyance apparatus
Mobile view.
Fig. 8 is the view for opening and closing the state that guiding piece is opened for schematically showing sheet conveyance apparatus.
Fig. 9 A is to mark structure in the state of being shown schematically in the opening and closing guiding piece closing of sheet conveyance apparatus
The view and Fig. 9 B of the position of part and auxiliary part are the opening and closing guidance for being shown schematically in sheet conveyance apparatus
Part marks the view of the position of component and auxiliary part in the state of opening.
Figure 10 is to show transmission unit and label in the state of the opening and closing guiding piece of sheet conveyance apparatus opening
The perspective view of positional relationship between component.
Figure 11 A is that the opening and closing guiding piece schematically shown in second embodiment in sheet conveyance apparatus is closed
The view and Figure 11 B that the position of component and auxiliary part is marked under state are schematically shown in second embodiment in piece
Material transmission equipment opens and closes the view that the position of component and auxiliary part is marked in the state that guiding piece is opened.
Figure 12 A is that the opening and closing guiding piece schematically shown in 3rd embodiment in sheet conveyance apparatus is closed
The view and Figure 12 B that the position of component and auxiliary part is marked under state are schematically shown in 3rd embodiment in piece
Material transmission equipment opens and closes the view that the position of component and auxiliary part is marked in the state that guiding piece is opened.
Specific embodiment
In the first embodiment, image-reading device will be illustrated by way of example in { first embodiment }, and described image reading is set
Standby includes the sheet conveyance apparatus of transmission document (for sheet material).
<image-reading device>Fig. 1 schematically shows the overall construction of image-reading device.The image-reading device
With image reading section 200 and sheet conveyance apparatus 80.
Document S is fed into one by one and is made of transparent glass on pressing plate 18 by sheet conveyance apparatus 80.In addition,
Sheet conveyance apparatus 80 is configured to openable relative to image reading section 200 and can close, and operates and be arranged in pressing
Document on pressing plate 18.
Image reading section 200 optically reads the image of the document transmitted by sheet conveyance apparatus 80 or is arranged in pressing plate
The image of document on 18 carries out photoelectric conversion to image, and inputs image as image information.Image reading unit
200 have the contact-type image sensor 24 for reading part as first, and the contact-type image sensor 24 is read in pressing plate
The image of the side of the mobile document transmitted on 18.Contact-type image sensor 24 is fixed on predetermined on sheet conveyance apparatus 80
At position (position shown in Fig. 1), and read the image of the side of the document transmitted on pressing plate 18.
In addition, image-reading device has second to read part, described second reads the other side of part reading document
Image.Second reading part point include the removable scanner unit 204 with lamp 202 and mirror 203 etc., mirror 205 and 206,
Lens 207 and imaging sensor 208 etc..Second reading part, which sets up separately, to be set in image reading section 200.Second, which reads part, makes to sweep
It retouches device unit 204 to stop at predetermined position (solid line position shown in Fig. 1), and reads above scanner unit 204
The document transmitted on pressing plate 18 the other side image.In addition, along the same of 18 mobile scanners have been unit 204 of pressing plate
When, second reads the image for partially reading the other side for the document being arranged on pressing plate 18.
<sheet conveyance apparatus>sheet conveyance apparatus 80 is in document tray 11 at upper position.Document tray 11 is used as
Arrange the sheet support part of document S thereon, and the document S being arranged on document tray 11 by feed rolls 1 from uppermost
Document is fed according to priority.The document S of feeding is separated and fed one by one by transfer roller 3 and separate roller 4.Work as quilt
When pressing plate 18 of the document S of isolated feeding Jing Guo image reading section 200, passed by scanner unit 204 and contact type image
The image of any of sensor 24 or both reading document S.The document S that wherein image has been read from passes through distributing roller 16
It is discharged in discharge tray 19.
Fig. 2 schematically shows the constructions of document tray 11 and transmission unit.On document tray 11, it is provided with document
Width control plate 10, the document width control plate 10 are used to adjust shifting of the document S stacked in the width direction of document S
It is dynamic.In addition, document tray 11 is constructed to be permeable to be promoted and declined by drive part (not shown).Feed rolls 1 can surround axis
13 rotations.In addition, roller 1 can also be rotated by arm 2 around axis 5, so as to relative to the text being stacked on document tray 11
Shelves S is promoted and decline.
The opening and closing guiding piece 6 for opening and closing component is provided with label component 100, the label component
100 are used as the actuator of document setup detection sensor 102, and the document setup detection sensor 102 is for detecting document support
The existence or non-existence of document on disk 11.Document setup detection sensor 102 uses Photo Interrupter, and when optical axis is by marking
Component 100 stops to detect that sheet material has been set on document tray 11 when (hereinafter referred to sensor ON).On the contrary, working as optical axis
When not stopping (hereinafter referred to sensor OFF) by label component 100, detect that document is not disposed on document tray 11.
Arm 2 is provided with the actuator 90 of supplying position detection sensor 91, and the supplying position detection sensor 91 determines
The raised position (document feeding position) of document tray 11.Supplying position detection sensor 91 uses Photo Interrupter, and when biography
When sensor ON, sheet material can be fed.On the contrary, needing to lift document tray by drive part (not shown) as sensor OFF
11。
Fig. 3 is the plan view of feeding part and separate section.Belt wheel 8 and 9 is separately positioned on feed rolls 1 and transfer roller 3.
Synchronous belt 7 stretches on belt wheel 8 and 9, and the driving force of motor M (referring to fig. 2) is transmitted to feed rolls 1.Arm 2 by spring from
Clutch 12 pushes.When motor M rotates forward, arm 2 declines and contacts the top surface of the document on document tray 11.In addition,
When motor M rotates forward, feed rolls 1 and transfer roller 3 rotate on the direction for feeding document and feed document.Work as electricity
When motivation M is rotated in mutually opposite directions, spring clutch 12 is locked to lift arm 2.
(document setup testing agency) is next, the document setup detection machine that description is arranged in sheet conveyance apparatus
Structure.Fig. 4 is the perspective view near document setup detection sensor.
Document setup detection sensor 102 is kept by opening and closing guiding piece 6.Mark component 100 have by open and
Close two label shaft portions 101 that guiding piece 6 is kept.Mark shaft portion 101 by the supporting part of opening and closing guiding piece 6
103 keep so that one in label shaft portion 101 can rotate freely, and mark in shaft portion 101 another can be with
It rotates freely and moves up.Mark component 100 that there is activator portion 104.When document S is arranged, activator portion 104 by
The front end of document S presses, so that label component 100 is rotated around label shaft portion 101.
Mark component 100 that there is detection part 105, it is described when detection part 105 is rotated around label shaft portion 101
Detection part 105 stops the light of document setup detection sensor 102 to detect that document S has been set by detection part 105
It sets.In addition, label component 100 has protrusion 107.The position of centre of gravity of label component 100 is determined, so that when opening and closing
When guiding piece 6 is closed, the clockwise direction (direction of arrow A) in Fig. 4 generates turning moment around label shaft portion 101.
As a result, protrusion 107 contacts the label stopping part 108 for being arranged in and opening and closing on guiding piece 6, so that it is determined that label structure
The posture in a rotational direction of part 100.
Mark component 100 that there is cylindrical label abutment portion 109.As will be described later, label abutment portion 109 by
Auxiliary part 110 presses.In addition, the position of centre of gravity of label component 100 is located at and the label (mark of shaft portion 101 in the horizontal direction
Remember component 100 rotation center) slightly offset from the position of (about 0.2mm) at.Therefore, the torque generated at label component 100
It is very small.
Auxiliary part 110 is rotatably attached to open and close guiding piece 6, and auxiliary part 110 can be according to opening
It is shifted between the first position and the second position with the opening and closing operation for closing guiding piece 6.Auxiliary part 110 has by beating
Two auxiliary shaft portions 111 that open and close guiding piece 6 is kept.Assist shaft portion 111 by the bearing of opening and closing guiding piece 6
Part 112 is rotatably kept.Auxiliary part 110 has cylindrical auxiliary abutment portion 113.As will be described later, it assists
Abutment portion 113 has the function of the pressing label abutment portion 109 when opening and closing guiding piece 6 and opening.
Two counterweights 114 are attached to auxiliary part 110.Counterweight 114 in the present embodiment is made of SUM material, has
The diameter of 6mm and the length of 12mm.Two counterweights 114 are arranged on the two sides of auxiliary shaft portion 111, so that by counterweight 114
A caused auxiliary part 110 turning moment direction and turning moment as caused by another in counterweight 114
It is contrary.
Fig. 5 is the cross-sectional view of the auxiliary part 110 near document setup detection sensor 102.The center of gravity of auxiliary part 110
Position is determined so that when opening and closing the closing of guiding piece 6, as shown in Figure 5 relative to auxiliary shaft portion 111 in the inverse time
Needle direction generates torque on (direction of arrow B).The auxiliary abutment portion 115 being arranged on auxiliary part 110 exists against setting
The stopping part 116 on guiding piece 6 is opened and closed, thereby determines that the posture in a rotational direction of auxiliary part 110.At this point,
Auxiliary part 110 is located at first position, and position of centre of gravity be located in the horizontal direction with auxiliary shaft portion 111 rotation in
The heart slightly offset from the position of (about 0.2mm) at.Assist the torque of shaft portion 111 very small as a result, generating and arriving.
Fig. 6 is the label abutment portion 109 and auxiliary part that component 100 is marked when opening and closing guiding piece 6 and closing
The perspective view of 110 auxiliary abutment portion 113.
Label abutment portion 109 is arranged far from the position of the center of rotation axis of label shaft portion 101.Label abuts
It is the cylindrical of 3mm that part 109, which has diameter, and is set in parallel with label shaft portion 101.Assist abutment portion
113 are arranged far from the position of the central axis of auxiliary shaft portion 111.Assisting abutment portion 113 to have diameter is the circle of 8mm
Cylindrical shape, and be set in parallel with auxiliary shaft portion 111.
When opening and closing the closing of guiding piece 6, label abutment portion 109 and auxiliary abutment portion 113 are separated from each other, together
When the gap that keeps constant without being in contact with each other.In this case, auxiliary part 110 does not act on label component 100.When
When opening and closing the opening of guiding piece 6, marks shaft portion 101 and assist the following institute of relative positional relationship between shaft portion 111
Change with stating.As a result, label abutment portion 109 and auxiliary abutment portion 113 abut against each other.
Fig. 7 A, Fig. 7 B and Fig. 7 C are the signals for showing the movement before arranging document and being fed into document tray 11
Figure.
Before document S is set, mark component 100 relative to the stack surface of document tray 11 with about 83 ° of gradient
It is kept (Fig. 7 A).It when document S is by user setting, is pressed by activator portion 104 by document S, label component 100 starts
It is rotated in a clockwise direction around label shaft portion 101.
When marking component 100 to rotate about 25 °, document S enters 100 lower section (Fig. 7 B) of label component.At this point, detection part
105 stop the light of document setup detection sensor 102, to detect that document S has been set.By making to mark 100 phase of component
For document S setting direction angle as close possible to 90 °, even also holding very much with the document (such as thin paper) of Low rigidity
It changes places and is detected without being bent.
When detecting document S, document tray 11 is promoted and is moved to pre- by document tray promotion motor (not shown)
(Fig. 7 C) is set in positioning.Hereafter, feeding operation is executed by feed rolls 1.After the sheet material of feeding predetermined quantity, document tray 11
It is fallen by document tray promotion motor (not shown) and is moved to initial position.Label component 100 also returns to initial position
And operate completion.During this sequence of operations, component 100 and auxiliary part 110 is marked not to be in contact with each other.Reason exists
In, when detecting sheet material, due to mark being rotated clockwise in Fig. 7 of component 100, label abutment portion 109 from
It is rotated on the direction that auxiliary abutment portion 113 retracts.
In addition, in the present embodiment, as shown in fig. 7, the label shaft portion 101 of the rotation center as label component 100
It is located in a vertical direction in the state of opening and closing guiding piece 6 and being located at closed position and opens and closes guiding piece 6
Lower position.Using this construction, though label component 100 relative to the setting direction of document angle as close possible to
It 90 °, does not need to extend label component 100 yet.
(operation of component is marked when opening and closing guiding piece and opening) opens and closes guidance next, description is worked as
The operation of component 100 is marked when part 6 is opened.For example, when paper jam occurs in reading equipment, or the replacement portion during maintenance
When part, work is completed in the case where opening and closing guiding piece 6 and opening up.Fig. 8 is to show opening and closing guiding piece 6 to beat
The schematic diagram for the state opened.Guiding piece 6 is opened and closed to be kept into so that rotary shaft 117 can be surrounded relative to equipment body is read
Rotation.When user's Unscrew and closing guiding piece 6 are to open it, the exposure of document transmitting path.At this point, open angle should
It is sufficiently large, because needing a certain amount of space from the perspective of workability, but if open angle is too big, beat on and off
Closing guiding piece 6 may collide with surrounding objects, such as the wall surface of installation site.Therefore, the opening of guiding piece 6 is opened and closed
Angle initialization angle thus, can be worked under the angle and avoid the collision with surrounding objects.Then, work as opening
When with closing the opening of guiding piece 6, opening and closing guiding piece 6 and being maintained at self-supporting state in order to work.
By opening and closing the opening operation of guiding piece 6, auxiliary part 110 is acted on label component 100.Work as opening
When being located at open position with closing guiding piece 6, the pressing label component 100 of auxiliary part 110, so that label component 100 is pushed to
Open and close guiding piece 6.Next, will be described in the auxiliary part 110 when opening and closing guiding piece 6 and opening and closing
Movement on label component 100.
Fig. 9 A and Fig. 9 B are to show label component 100 and auxiliary part when opening and closing guiding piece 6 and closing and open
The schematic diagram of 110 position.Fig. 9 A, which is shown, to be opened and closed guiding piece 6 and is located at the state of closed position and Fig. 9 B is shown
Open and close the state that guiding piece 6 is located at open position.
In the state of opening and closing the closing of guiding piece 6, as described above, label component 100 and auxiliary part 110 are kept
In this state, in this condition due to the weight of their own and in the counterclockwise direction in the case where not contacting each other
(direction of arrow C) generates small torque.
When opening and closing the opening of guiding piece 6, assist shaft portion 111 relative to the position of label shaft portion 101 along inverse
Clockwise relative movement, and the position of shaft portion 111 in a vertical direction is assisted to become the position with label shaft portion 101
It is almost the same.On the other hand, component 100 and auxiliary part 110 is marked to attempt the posture for maintaining to be determined by position of centre of gravity.Therefore,
Auxiliary part is rotated in a clockwise direction due to gravity, and assist abutment portion 113 against label abutment portion 109 with
Perpendicular to generating power on the direction (direction of arrow D) of each tangent line.As a result, relative to label shaft portion 101 along side clockwise
Torque is generated on label component 100 to (direction of arrow E), and component 100 is marked to resist the edge generated due to its self weight
Counterclockwise the torque in (direction of arrow F) and rotate.
Label component 100 continues to rotate, until auxiliary part 110 is against the top table that opening and closing guiding piece 6 is arranged in
Auxiliary stopping part 118 on face.At this point, auxiliary part 110 is located at the second place, and as shown in Figure 9 B, mark component
100 are fully retracted in the guiding surface for opening and closing guiding piece 6.Even if opening and closing guiding piece 6 further to open, by
In auxiliary abutment portion 113 rotation by auxiliary stopping part 118 limited, therefore mark abutment portion 109 will not by into
One step pushes.When opening and closing guiding piece 6 and fully opening and open and close guiding piece 6 and become self-supporting state, beat
Operation is opened to complete.When closing opening and closing guiding piece 6, opening and closing guiding piece 6 is returned to initial by inverse process
State.
Since the label abutment portion 109 and auxiliary abutment portion 113 of label component 100 are all formed as circular arc construction, because
, when opening and closing the opening of guiding piece 6, contact point is gradually moved while rotating for this.
As described above, label component 100 is pressed and is moved by auxiliary part 110 when opening and closing the opening of guiding piece 6
It is dynamic, so that label component 100 is fully retracted in the guiding surface for opening and closing guiding piece 6.Therefore, in jam recovery or dimension
During shield operation, it can reduce due to the wind with hand or other component contacts label component 100 and bring worker damage component
Danger.
As a specific example, description replacement is used to transmit the effect of the transmission unit 121 of sheet material.Figure 10 is to show to work as to beat
The perspective view of positional relationship when open and close guiding piece 6 is opened between transmission unit 121 and label component 100.
When opening and closing the opening of guiding piece 6, label component 100 is retracted into as described above opens and closes guiding piece 6
Surface in.In the embodiment in figure 10, opening and closing guiding piece is formed in for accommodating the accommodating portion of label component 100
In 6, housing section has groove part 119 and protection rib 120.When opening and closing the opening of guiding piece 6, component is marked
100 are pressed by auxiliary part 110, so that label component 100 is retracted into the groove part for being arranged in and opening and closing in guiding piece 6
In 119, and mark component 100 by protecting around the protection rib 120 of label component 100.
Transmission unit 121 has transmission member, such as feed rolls 1, arm 2 and transfer roller 3.Transmission unit 121 is when its is long
Between use when need to safeguard.Therefore, transmission unit 121 can be detachably attached to open and close guiding piece 6.It is safeguarding
When, it opening and closing guiding piece 6 and opens, the direction of the drafting plane in attached drawing along a direction substantially perpendicular of transmission unit 121 is drawn out,
And each roller is replaced.When pulling out transmission unit 121, if label component 100 is prominent from guiding surface, component is marked
100 may collide with transmission unit 121, so that label component 100 is likely to be broken.However, in the construction of above-described embodiment,
Since label component 100 is retracted into the guiding surface for opening and closing guiding piece 6, its risk can be reduced.Therefore, exist
In the present embodiment, label component 100 is arranged near transmission unit 121, so that reducing the size of equipment.
Label component 100 is retracted into the guiding surface for opening and closing guiding piece 6 by auxiliary part 110, and is made
To mark the label shaft portion 101 of the rotation center of component 100 to be arranged in vertical direction when opening and closing guiding piece 6 and closing
On lower position, so as to reduce label component 100 length.
In the present embodiment, with transmission unit 121 as an example, still when label component 100 near exist for example its
When other replacement components of its transfer roller and sensor, above-mentioned construction is also effective.Above structure is not only effective in maintenance,
It and is also effective when there is opening operation (such as the jam recovery) for opening and closing guiding piece 6.
In the present embodiment, label component 100 is fully retracted in the guiding surface for opening and closing guiding piece 6, still
Certain effect can also be obtained even if when marking component 100 not to be fully retracted.
In addition, in the present embodiment, describing the example that file tray 11 has lifting construction, but utilizes not having and mention
The fixed tray for rising construction can obtain similar effect.
In addition, in the present embodiment, auxiliary part 110 has counterweight 114.But even if in no offer counterweight,
Certain effect can be obtained.
In addition, in the present embodiment, there is the sheet conveyance apparatus of label component 100 and auxiliary part 110 to be used for image
Read equipment.However, sheet conveyance apparatus can be used for imaging device, the imaging device has for forming figure on sheet material
The imaging moiety of picture.
{ second embodiment } in the above-described embodiments, when opening and closing the opening of guiding piece 6, auxiliary part 110 is pressed
Component 100 is marked, while auxiliary part 110 and label component 100 rotate in same direction.However, in auxiliary part 110 and mark
When note component 100 rotates in opposite directions relative to one another as described below, label component 100 can be retracted.
Figure 11 A and Figure 11 B are shown in second embodiment when opening and closing guiding piece 6 is located at closed position and open position
The schematic diagram of the position of component 100 and auxiliary part 110 is marked when setting.Figure 11 A, which is shown, opens and closes what guiding piece 6 was closed
State and Figure 11 B show the state that guiding piece 6 is opened that opens and closes.
When opening and closing guiding piece 6 and closing, label component 100 by its self weight and in the counterclockwise direction (arrow C's
Direction) it generates and is kept in the state of small torque by stopping part (not shown).On the other hand, auxiliary part 110 is by it
It is self-possessed and is kept in the state of (direction of arrow G) generation torque by the second stopping part 122 along clockwise direction.Mark component
100 and auxiliary part 110 holding be not in contact with each other.
When opening and closing the opening of guiding piece 6, auxiliary shaft portion 111 exists relative to the position of centre of gravity of auxiliary part 110
Relative position in vertical direction changes.When opening and closing guiding piece 6 is opened to a predetermined angle, by auxiliary part 110
Turning moment caused by position of centre of gravity is switched to counterclockwise (direction of arrow H) from (direction of arrow G) clockwise.
Therefore, auxiliary abutment portion 113 is against label abutment portion 109, so that in the direction (arrow perpendicular to each tangent line
Head I direction) on generate power.As a result, marking structure along clockwise direction (direction of arrow E) relative to label shaft portion 101
Torque is generated on part 100, so that label component resists the power in (direction of arrow F) in the counterclockwise direction that generates due to its self weight
Square and rotate.Label component 100 is rotated up auxiliary part 110 against auxiliary stopping part 118.At this point, label component 100 is complete
It is full reduced to return in the guiding surface for opening and closing guiding piece 6.
As described above, first embodiment is similar to, when opening and closing the opening of guiding piece 6, by by auxiliary part 110
Pressing and movement, label component 100 are fully retracted in the guiding surface for opening and closing guiding piece 6.It, can using this construction
Label is damaged due to staff's hand or component contact label component 100 during jam recovery or attended operation to reduce
The risk of component 100.
{ 3rd embodiment } is moved to open position from closed position in the above-described embodiments, opening and closing guiding piece 6
While setting, the direction of the turning moment due to caused by the weight of auxiliary part 110 switches.However, when opening and closing
When guiding piece 6 is opened, the direction of the turning moment due to caused by the weight of auxiliary part 110 can continue to be identical.
Figure 12 A and Figure 12 B are for illustrating that the label structure opened and closed in guiding piece 6 is arranged in the third embodiment
The view of the operation of part 100 and auxiliary part 110.Figure 12 A, which is shown, opens and closes the shape that guiding piece 6 is located at closed position
State and Figure 12 B show the state that guiding piece 6 is located at open position that opens and closes.
As illustrated in figs. 12 a and 12b, label component 100 is configured to rotate around label shaft portion 101, and assists
Component 110 is configured to rotate around auxiliary shaft portion 111.When opening and closing guiding piece 6 is located at closed position, due to it
Self weight and dangle auxiliary part 110 auxiliary abutment portion 113 be located therein auxiliary abutment portion 113 do not act on label structure
At position in the label abutment portion 109 of part 100.
When opening and closing guiding piece 6 is moved to the open position of Figure 12 B from the closed position of Figure 12 A, auxiliary part
110 and label component 100 be all rotated in a clockwise direction, and assist abutment portion 113 pressing label abutment portion 109, make
Component 100 must be marked to be retracted into the guiding surface for opening and closing guiding piece 6.Using this construction, can obtain with it is above-mentioned
The identical effect of embodiment.
Although describing the present invention by reference to exemplary embodiment, but it is to be understood that the present invention is not limited to disclosed
Exemplary embodiment.Scope of the appended claims should be endowed broadest interpretation, so as to comprising all such modifications and
Equivalent structure and function.
This application claims the equity for the Japanese patent application No.2017-247537 for being filed on December 25th, 2017, by
This, which is incorporated by reference, is incorporated herein.
Claims (17)
1. a kind of equipment, the equipment include:
Component is opened and closed, the opening and closing component is constructed to be permeable to rotate and be configured to be located at closed position and beat
Open position；
Rotating member, the rotating member can be rotatably set on the opening and closing component and be constructed to be permeable to by piece
Material rotation；And
Auxiliary part, the auxiliary part are arranged on the opening and closing component, and the auxiliary part is configured to when described
It opens and closes when component is located at closed position and is located at first position, and be configured to beat when the opening and closing component is located at
It is located at the second position when open position, wherein the auxiliary part is constructed to be permeable to through the opening and closing component from the pass
The rotation of closed position towards the open position is displaced to described from the first position due to the weight of the auxiliary part
Two positions,
Wherein, the auxiliary part is configured to when the auxiliary part is located at the second position towards opening and closing component
Side pushes the rotating member.
2. equipment according to claim 1,
Wherein, the auxiliary part is arranged on the opening and closing component, and the auxiliary part is rotated, described
Auxiliary part is configured to separate when the auxiliary part is located at the first position with the rotating member, the auxiliary part
It is configured to the movement according to the opening and closing component from the closed position to the open position and passes through the auxiliary structure
The weight of part rotates to the second position from the first position, so that the auxiliary part presses the rotating member and court
The rotating member is pushed to the opening and closing component side.
3. equipment according to claim 1, wherein when the opening and closing component is located at the closed position, it is described
The rotation center of rotating member is arranged at the low portion for opening and closing component.
4. equipment according to claim 1,
Wherein, while the opening and closing component is moved to the open position from the closed position, by described auxiliary
The direction of turning moment caused by the weight of component is helped to switch.
5. equipment according to claim 1,
Wherein, the opening and closing part includes accommodating portion, and housing section is configured to accommodate the rotating member.
6. equipment according to claim 1,
Wherein transmission unit is located near the rotating member, and the transmission unit has transmission member, the transmission member
Sheet material is transmitted, the transmission unit is constructed to be permeable to be detachably attached to the opening and closing component.
7. equipment according to claim 1,
Wherein, the abutment portion of the pressing rotating member of the auxiliary part is circular shape.
8. equipment according to claim 1,
Wherein, when the opening and closing component is located at the closed position, the center of gravity of the rotating member is arranged described
Near the rotation center of rotating member.
9. equipment according to claim 2,
Wherein, when the opening and closing component is located at the closed position, the center of gravity of the auxiliary part is arranged described
Near the rotation center of auxiliary part.
10. equipment according to claim 2,
Wherein, when the opening and closing component is moved to the open position from the closed position, the auxiliary part
Center of gravity the rotation center of the auxiliary part is moved to from the side of the rotation center of the auxiliary part in the horizontal direction
The other side.
11. equipment according to claim 2,
Wherein, when the opening and closing component is moved to the open position from the closed position, the auxiliary part
It is rotated along the direction contrary with the rotating member, to push the rotation structure towards the opening and closing component side
Part.
12. equipment according to claim 2,
Wherein, when the opening and closing component is moved to the open position from the closed position, the auxiliary part
It is rotated along direction identical with the direction of the rotating member, to push the rotation structure towards the opening and closing component side
Part.
13. equipment according to claim 1, the equipment further include:
Sheet support part, the sheet support part are configured to support the sheet material to be sent；And
Sensor, the sensor are configured to detect the rotation of the rotating member,
The rotating member passes through the sheet material rotation on the sheet support part.
14. equipment according to claim 13, wherein
In the state that the opening and closing component is located at the closed position, the rotation center of the rotating member is described
Sheet support upper.
15. equipment according to claim 1,
Wherein, the auxiliary part is configured to not act on the rotation structure when the auxiliary part is located at the first position
On part.
16. a kind of image-reading device, described image reads the image that equipment reads sheet material, and described image reads equipment and includes:
Component is opened and closed, the opening and closing component is constructed to be permeable to rotate and be configured to be located at closed position and beat
Open position；
Rotating member, the rotating member can be rotatably set on the opening and closing component and be constructed to be permeable to by institute
State sheet material rotation；
Auxiliary part, the auxiliary part are arranged on the opening and closing component, and the auxiliary part is configured to when described
It opens and closes when component is located at closed position and is located at first position, and be configured to beat when the opening and closing component is located at
It is located at the second position when open position, wherein the auxiliary part is constructed to be permeable to through the opening and closing component from the pass
The rotation of closed position towards the open position is displaced to described from the first position due to the weight of the auxiliary part
Two positions；And
Part is read, the reading part is configured to read the image being formed on sheet material,
Wherein, the auxiliary part is configured to when the auxiliary part is located at the second position towards opening and closing component
Side pushes the rotating member.
17. a kind of imaging device, the imaging device forms image on sheet material, and the imaging device includes:
Component is opened and closed, the opening and closing component is constructed to be permeable to rotate and be configured to be located at closed position and beat
Open position；
Rotating member, the rotating member can be rotatably set on the opening and closing component and be constructed to be permeable to by piece
Material rotation；
Auxiliary part, the auxiliary part are arranged on the opening and closing component, and the auxiliary part is configured to when described
It opens and closes when component is located at closed position and is located at first position, and be configured to beat when the opening and closing component is located at
It is located at the second position when open position, wherein the auxiliary part is constructed to be permeable to through the opening and closing component from the pass
The rotation of closed position towards the open position is displaced to described from the first position due to the weight of the auxiliary part
Two positions；And
Imaging moiety, the imaging moiety are configured to form image on sheet material,
Wherein, the auxiliary part is configured to when the auxiliary part is located at the second position towards opening and closing component
Side pushes the rotating member.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017-247537 | 2017-12-25 | ||
| JP2017247537A JP2019112197A (en) | 2017-12-25 | 2017-12-25 | Sheet conveying device, image reading device, and image forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109956347A true CN109956347A (en) | 2019-07-02 |
Family
ID=66949948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811580362.7A Pending CN109956347A (en) | 2017-12-25 | 2018-12-24 | Sheet conveyance apparatus, image-reading device and imaging device |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20190193970A1 (en) |
| JP (1) | JP2019112197A (en) |
| CN (1) | CN109956347A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7195909B2 (en) | 2018-12-13 | 2022-12-26 | キヤノン株式会社 | Sheet feeding device, image reading device and image forming device |
| JP7297452B2 (en) * | 2019-01-18 | 2023-06-26 | キヤノン株式会社 | sheet feeding device, image reading device, image forming device |
| JP7376338B2 (en) * | 2019-12-19 | 2023-11-08 | 株式会社Pfu | Media transport device, control method and control program |
| JP7418125B2 (en) * | 2020-02-05 | 2024-01-19 | キヤノン株式会社 | Sheet feeding device, image reading device, and image forming device |
| JP2022129288A (en) | 2021-02-24 | 2022-09-05 | 富士フイルムビジネスイノベーション株式会社 | Delivery device and image forming device |
| JP2022130168A (en) | 2021-02-25 | 2022-09-06 | 富士フイルムビジネスイノベーション株式会社 | Delivery device and image forming device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0597278A (en) * | 1991-10-03 | 1993-04-20 | Fuji Xerox Co Ltd | Remaining sheet amount detector |
| JP2003081484A (en) * | 2001-09-14 | 2003-03-19 | Ricoh Co Ltd | Paper carrying device and image forming device |
| US20080303204A1 (en) * | 2007-06-05 | 2008-12-11 | Yueh-Shing Lee | Paper feeding device |
| US20150217952A1 (en) * | 2012-08-27 | 2015-08-06 | Nisca Corporation | Paper supply device |
| CN105366390A (en) * | 2014-08-18 | 2016-03-02 | 理想科学工业株式会社 | Sheet feed device |
| JP2016141489A (en) * | 2015-01-30 | 2016-08-08 | ブラザー工業株式会社 | Sheet supply device |
| JP2017061374A (en) * | 2015-09-25 | 2017-03-30 | キヤノン電子株式会社 | Sheet feeding device and image reading device |
| JP2017095224A (en) * | 2015-11-20 | 2017-06-01 | 京セラドキュメントソリューションズ株式会社 | Image formation apparatus |
-
2017
- 2017-12-25 JP JP2017247537A patent/JP2019112197A/en active Pending
-
2018
- 2018-12-18 US US16/223,646 patent/US20190193970A1/en not_active Abandoned
- 2018-12-24 CN CN201811580362.7A patent/CN109956347A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0597278A (en) * | 1991-10-03 | 1993-04-20 | Fuji Xerox Co Ltd | Remaining sheet amount detector |
| JP2003081484A (en) * | 2001-09-14 | 2003-03-19 | Ricoh Co Ltd | Paper carrying device and image forming device |
| US20080303204A1 (en) * | 2007-06-05 | 2008-12-11 | Yueh-Shing Lee | Paper feeding device |
| US20150217952A1 (en) * | 2012-08-27 | 2015-08-06 | Nisca Corporation | Paper supply device |
| CN105366390A (en) * | 2014-08-18 | 2016-03-02 | 理想科学工业株式会社 | Sheet feed device |
| JP2016141489A (en) * | 2015-01-30 | 2016-08-08 | ブラザー工業株式会社 | Sheet supply device |
| JP2017061374A (en) * | 2015-09-25 | 2017-03-30 | キヤノン電子株式会社 | Sheet feeding device and image reading device |
| JP2017095224A (en) * | 2015-11-20 | 2017-06-01 | 京セラドキュメントソリューションズ株式会社 | Image formation apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2019112197A (en) | 2019-07-11 |
| US20190193970A1 (en) | 2019-06-27 |
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