CN110007572A - Sheet material pressing mechanism and image forming apparatus - Google Patents
Sheet material pressing mechanism and image forming apparatus Download PDFInfo
- Publication number
- CN110007572A CN110007572A CN201811291470.2A CN201811291470A CN110007572A CN 110007572 A CN110007572 A CN 110007572A CN 201811291470 A CN201811291470 A CN 201811291470A CN 110007572 A CN110007572 A CN 110007572A
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- CN
- China
- Prior art keywords
- sheet material
- discharge
- pressing
- pressing component
- tray
- Prior art date
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Classifications
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- 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
- B65H37/06—Article or web delivery apparatus incorporating devices for performing specified auxiliary operations for folding
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- 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
- B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
-
- 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
- B65H29/14—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 and introducing into a 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
- B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
- B65H29/70—Article bending or stiffening arrangements
-
- 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
-
- 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
- B65H31/26—Auxiliary devices for retaining articles in the pile
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/65—Apparatus which relate to the handling of copy material
- G03G15/6555—Handling of sheet copy material taking place in a specific part of the copy material feeding path
- G03G15/6573—Feeding path after the fixing point and up to the discharge tray or the finisher, e.g. special treatment of copy material to compensate for effects from the fixing
- G03G15/6576—Decurling of sheet material
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- 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
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- 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
- B65H2301/5122—Corrugating; Stiffening
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- 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
- B65H2404/60—Other elements in face contact with handled material
- B65H2404/61—Longitudinally-extending strips, tubes, plates, or wires
-
- 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
- B65H2404/60—Other elements in face contact with handled material
- B65H2404/63—Oscillating, pivoting around an axis parallel to face of material, e.g. diverting 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
- 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
- B65H2405/1111—Bottom with several surface portions forming an angle relatively to each other
-
- 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
- B65H2801/00—Application field
- B65H2801/03—Image reproduction 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
- B65H2801/00—Application field
- B65H2801/03—Image reproduction devices
- B65H2801/06—Office-type machines, e.g. photocopiers
Abstract
It provides: being able to suppress the middle folding of the sheet material when sheet material of discharge is abutted with pressing component, thus can for example be effectively prevented sheet material so that the downward and curved state in front end is stacked in the sheet material pressing mechanism and image forming apparatus of discharge tray.Sheet material pressing mechanism has pressing component, which presses the sheet material when the sheet material for being attached flexure along the width direction fluctuating orthogonal with the discharge direction of sheet material is discharged towards discharge tray.Pressing component has the first pressing area, which presses the part other than the apex in the mountain portion of the sheet material when the sheet material of discharge abuts.
Description
Technical field
The present invention relates to the images such as sheet material pressing mechanism and duplicator, compounding machine, print apparatus, picture unit to be formed
Device.
Background technique
As image forming apparatus, there is known the device for having sheet material pressing mechanism, which, which includes, is being incited somebody to action
The sheet materials such as paper press the pressing component (referring to patent document 1) of the sheet material when being discharged towards discharge tray.
However, if when the sheet material of discharge is placed in discharge tray, the front end of sheet material and the upstream side (base of discharge tray
End side) contact, then generate following such unfavorable condition.That is, the shape of the upstream side contacts in the front end and discharge tray of sheet material
Sheet material is placed in discharge tray while the movement in discharge tray under state.At this point, if the front end of sheet material is not in discharge tray
On swimmingly move, then for example, sheet material is so that the downward and curved state in front end is stacked in discharge tray.
According to such viewpoint, in existing image forming apparatus, in the width side orthogonal with the discharge direction of sheet material
Upwards make sheet material rise and fall and to sheet material additional flexibility.In this way, the downstream side of the front end and discharge tray that can make sheet material is (preceding
End side) contact.Thus, for example, sheet material can be effectively prevented so that the downward and curved state in front end is stacked in discharge tray.
However, if the sheet material of discharge is abutted with pressing component, sometimes due to the abutting abutted with the pressing component of sheet material
Position and make in sheet material roll over (fluctuating of sheet material crumbles).If this is the case, the front end of sheet material and the downstream side of discharge tray can not be made
Contact.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2014-47067 bulletin
Summary of the invention
The technical problems to be solved by the invention
About the point, the middle folding of sheet material when patent document 1 is abutted for the sheet material of discharge with pressing component does not have any
It shows.
Therefore, the purpose of the present invention is to provide: be able to suppress the sheet material when sheet material of discharge is abutted with pressing component
Middle folding, thus can for example be effectively prevented sheet material so that the downward and curved state in front end be stacked in the sheet material of discharge tray by
Press mechanism and image forming apparatus.
The means solved the problems, such as
In order to solve the above problems, sheet material pressing mechanism of the invention have pressing component, the pressing component will along with
The width direction that the discharge direction of sheet material is directly handed over rises and falls and is attached when the above sheet bent is discharged towards discharge tray to this
Sheet material is pressed, which is characterized in that, above-mentioned pressing component has the first pressing area, first pressing
Region presses the part other than the apex in the mountain portion of the sheet material when the above sheet of discharge abuts.In addition, this hair
Bright image forming apparatus is characterized in that the sheet material pressing mechanism for having aforementioned present invention.
Invention effect
In accordance with the invention it is possible to the middle folding of the sheet material when sheet material of discharge being inhibited to abut with pressing component, thus, it is possible to have
Effect sheet material is prevented so that the downward and curved state in front end is stacked in discharge tray.
Detailed description of the invention
Fig. 1 is the diagrammatic cross-sectional view for being observed from the front the image forming apparatus of present embodiment.
Fig. 2 is the cross-sectional view for indicating the sheet discharging apparatus part of image forming apparatus.
Fig. 3 is the perspective view of the discharge side of the sheet discharging apparatus of image forming apparatus from oblique upper.
Fig. 4 is the top view for indicating the pressing component of sheet material pressing mechanism of sheet discharging apparatus.
Fig. 5 is the side view of the major part of the sheet discharging apparatus of image forming apparatus from discharge side.
Fig. 6 is to indicate that the front end of sheet material is discharged and the first pressing area with pressing component from the discharge outlet of sheet discharging apparatus
The main view of state when abutting.
Fig. 7 is the side view of the state shown in fig. 6 from the discharge direction of sheet material.
Fig. 8 is the top view of state shown in fig. 6.
Fig. 9 is to indicate that the front end of sheet material reaches the main view of the state of the second pressing area of pressing component.
Figure 10 is the side view of the state shown in Fig. 9 from the discharge direction of sheet material.
Figure 11 is the top view of state shown in Fig. 9.
Figure 12 is the main view for indicating the state when front end of sheet material is abutted with discharge tray.
Figure 13 is the top view for indicating the other examples of pressing component.
Figure 14 is the top view for indicating the another other examples of pressing component.
Figure 15 is the top view for indicating the another other examples of pressing component.
Specific embodiment
Hereinafter, the embodiments of the present invention will be described with reference to the drawings.In the following description, to identical component mark
Infuse identical symbol.Their name and function is also identical.Therefore, them are not repeated to be described in detail.
[image forming apparatus]
Fig. 1 is the diagrammatic cross-sectional view for being observed from the front the image forming apparatus 100 of present embodiment.In the figure symbol X indicate from
Front observation left and right directions, symbol X1, X2 respectively indicate left side (side) and right side (other side).Symbol Y is indicated and right and left
The depth direction orthogonal to X, symbol Y1, Y2 respectively indicate face side (side), back side (other side).Symbols Z indicates up and down
Direction, vertical direction.The image forming apparatus 100 of present embodiment is that monochrome image forms device.Image forming apparatus 100
According to the image data read by image read-out 200 or from the image data of outside transmitting, carry out at image formation
Reason.In addition, image forming apparatus 100 is also possible to relative to the sheet materials such as paper p-shaped into polychrome and the colour of the image of monochrome
Image forming apparatus.
Image forming apparatus 100 has original document feeder 108 and image forming apparatus main body 110.It is formed and is filled in image
It sets main body 110 and is provided with image forming part 102 and sheet material handling system 103.
Image forming part 102 has exposing unit 1, developing cell 2, the photoreceptor acted on as electrostatic latent image carrying body
Drum 3, cleaning section 4, Charging system 5 and fixation unit 7.In addition, sheet material handling system 103 has: paper supply tray 81 supplies manually
Paper pallet 82, distributing roller 31 and discharge tray 14.
The top of image forming apparatus main body 110 is provided with the image read-out of the image for reading original copy G
200.Image read-out 200 has the original copy mounting table 221 for original copy G mounting.In addition, in the upside of original copy mounting table 221
It is provided with original document feeder 108.For image forming device 100, the original copy that will be read by image read-out 200
The image of G is conveyed as image data to image forming apparatus main body 110, and record has image on sheet material P.
Image forming apparatus main body 110 is provided with sheet material transport path W1.Paper supply tray 81 or manual feed trays
82 supply sheet material P to sheet material transport path W1.Sheet material transport path W1 is by sheet material P via transfer roll 10 and fixation unit 7
And it is guided to discharge tray 14.Fixation unit 7 is by the toner image being formed on sheet material P heating fixing in sheet material P.It is removed in sheet material
Pick-up roller 11a, 11b, transport roller 12a, the heating for stopping roller 13, transfer roll 10, fixation unit 7 are equipped near fortune path W1
Roller 71 and pressure roller 72 and distributing roller 31.
For image forming apparatus 100, the sheet material P supplied by paper supply tray 81 or manual feed trays 82 is removed
It is transported to and stops roller 13.Next, will on the opportunity for integrating the toner image on sheet material P and photoconductor drum 3 using blocking roller 13
Sheet material P is transported to transfer roll 10.Toner image on photoconductor drum 3 is transferred on sheet material P by transfer roll 10.Thereafter, sheet material P exists
The heating roller 71 and pressure roller 72 of fixation unit 7 pass through, and arrange via transport roller 12a and distributing roller 31 in discharge tray 14
Out.In the case where not only also overleaf carrying out image formation on the surface of sheet material P, by sheet material P from distributing roller 31 to reversal film
Material transport path W2 is carried in the opposite direction.Sheet material P by reversion transport roller 12b~12b make sheet material P table carry on the back reversion and again
It is guided to blocking roller 13.Moreover, sheet material P is same as surface, after so that toner image is formed and is fixed, towards discharge support
Disk 14 is discharged.
[sheet discharging apparatus]
Fig. 2 is the cross-sectional view for indicating 300 part of sheet discharging apparatus of image forming apparatus 100.Fig. 3 is the figure from oblique upper
Perspective view as forming the discharge side of the sheet discharging apparatus 300 of device 100.
Image forming apparatus 100 is also equipped with sheet discharging apparatus 300.Sheet discharging apparatus 300 will be conveyed from fixation unit 7
The sheet material P come is discharged towards discharge tray 14.Sheet discharging apparatus 300 has transport roller 12a, distributing roller 31, flexure additional rollers
32 (examples of flexure additional component) and sheet material pressing mechanism 301.
Transport roller 12a will be carried from the sheet material P that the conveying of fixation unit 7 comes towards distributing roller 31 and flexure additional rollers 32.
The sheet material P come from transport roller 12a conveying is discharged distributing roller 31 towards discharge tray 14.Distributing roller 31 is by upper and lower a pair of of distributing roller
31a, 31b are constituted.The distributing roller 31a of upside compared to downside distributing roller 31b and in the width orthogonal with the discharge direction E of sheet material P
The size spent on the H of direction is smaller.Central portion pair on the width direction H of the distributing roller 31b of the distributing roller 31a and downside of upside
It sets.The distributing roller 31a of upside becomes driven roller, and the distributing roller 31b of downside becomes driven voller.(not by force application parts such as springs
Diagram) it exerts a force to the distributing roller 31b of downside towards distributing roller 31a to the upper side.Flexure additional rollers 32 are disposed in the distributing roller of downside
Both ends on the width direction H of 31b.The outer diameter of flexure additional rollers 32~32 is greater than the outer diameter of the distributing roller 31b of downside.By
This, flexure additional rollers 32 can make sheet material P in the width direction H rise and fall and to sheet material P additional flexibility.
Sheet material pressing mechanism 301 has pressing component 310.Pressing component 310 attached flexure by flexure additional rollers 32
Sheet material P afterwards presses sheet material P when being discharged towards discharge tray 14.Thereby, it is possible to be made by pressing component 310 towards discharge tray
The impetus of the sheet material P of 14 discharges mitigates.
(first embodiment)
Fig. 4 is the top view for indicating the pressing component 310 of sheet material pressing mechanism 301 of sheet discharging apparatus 300.Fig. 5 is from row
The side view of the major part of the sheet discharging apparatus 300 of side observation image forming apparatus 100 out.Fig. 6 is before indicating sheet material P
When end P1 is discharged from the discharge outlet 300a of sheet discharging apparatus 300 and abuts with the first pressing area α of pressing component 310
The main view of state.Fig. 7 is the side view of the state shown in fig. 6 from the discharge direction E of sheet material P.Fig. 8 is shown in fig. 6
The top view of state.In addition, showing the flexure additivity of the sheet material P in left end from discharge direction E in Fig. 8.This is rear
It is also identical in the Figure 11 stated.
Fig. 9 is to indicate that the front end P1 of sheet material P reaches the main view of the state of the second pressing area β of pressing component 310.Figure
10 be the side view of the state shown in Fig. 9 from the discharge direction E of sheet material P.Figure 11 is the top view of state shown in Fig. 9.
In addition, Figure 12 is the main view for indicating the state when front end P1 of sheet material P is abutted with discharge tray 14.
As shown in figure 8, pressing component 310 has the first pressing area α.First pressing area a discharge sheet material P (
Front end P1) abut when the part (part of valley Pb in this) other than the apex Pc of the mountain portion Pa of sheet material P is pressed.
First pressing area α is extended from the abutted position of sheet material P to the discharge direction E of sheet material P with defined distance.Herein, sheet material P
The apex Pc of mountain portion Pa refers to using the line of demarcation L between the mountain portion Pa and valley Pb of sheet material P as boundary and in the mountain portion side Pa
The width direction H including the vertex Pt of mountain portion Pa on defined region.Apex Pc is also possible to mountain portion Pa entirety
Region.
According to the present embodiment, the first pressing area α of pressing component 310 is when the sheet material P of discharge is abutted to sheet material P's
Part other than the apex Pc of mountain portion Pa is pressed.In such manner, it is possible to inhibit sheet material P (front end P1) and the press section of discharge
The middle folding of sheet material P when part 310 abuts.Therefore, the downstream side of the front end P1 and discharge tray 14 that can make sheet material P are (than center
Front end side is leaned in portion) contact.As a result, for example, sheet material P can be effectively prevented so that P1 downward and curved state in front end is stacked in
Discharge tray 14.
However, if center when sheet material P and discharge tray 14 contact on width direction H of the pressing component 310 to sheet material P
Part other than region γ (referring to Fig.1 1) is pressed, then is stacked in the consistency (stackability) of the sheet material P of discharge tray 14
Deteriorate.
In this regard, in the present embodiment, pressing component 310 has the second pressing area β.Second pressing area β exists
The middle section γ on the width direction H of sheet material P is pressed when sheet material P is contacted with discharge tray 14.In this way, in piece
When material P contacts (mounting) with discharge tray 14, the second pressing area β of pressing component 310 is on the width direction H of sheet material P
Middle section γ is pressed.Thereby, it is possible to improve the consistency for being stacked in the sheet material P of discharge tray 14.Herein, sheet material P
Middle section γ on width direction H is the defined region including the center on the width direction H of sheet material P.
In the present embodiment, the first pressing area α is when the sheet material P of discharge is abutted to the vertex of the mountain portion Pa of sheet material P
The part of two or more (in the example two) other than portion Pc is pressed.In this way, sheet material P can be made steadily to be discharged simultaneously
And inhibit the middle folding of sheet material P.
In the present embodiment, pressing component 310 has a pair of of press section 311,311 (referring to Fig. 4).A pair of of press section
311,311 two parts other than the apex Pc of the mountain portion Pa of sheet material P are pressed when the sheet material P of discharge is abutted.One
There is the first pressing area α to press section 311,311.In this way, pressing component 310 can be when the sheet material P of discharge be abutted
Reliably two parts other than the apex Pc of the mountain portion Pa of sheet material P are pressed by a pair of of press section 311,311.By
This, can be such that sheet material P is steadily discharged and inhibit the middle folding of sheet material P.In addition, pressing component 310 has the (ginseng of linking part 312
According to Fig. 4).Linking part 312 links the front end of a pair of of press section 311,311.In this way, can make a pair of of press section 311,
311 integrally act.Thereby, it is possible to abut the sheet material P of discharge steadily with pressing component 310.In the example, linking part
312 have the second pressing area β.
In the present embodiment, on the discharge direction E of sheet material P from vertical direction Z, pressing component 310 is formed as
Making downstream side (front end side) is the substantially U-shaped of bending section.In this way, pressing component 310 can be supported in the sheet material P of discharge
By the upstream side (base end side) of substantially U-shaped reliably to two other than the apex Pc of the mountain portion Pa of sheet material P when connecing
Part is pressed.Thereby, it is possible to sheet material P is discharged steadily and inhibits the middle folding of sheet material P.In addition, 310 energy of pressing component
It is enough that the center of sheet material P or substantial middle are carried out by the bending section of substantially U-shaped when sheet material P and discharge tray 14 are contacted
Pressing.Thereby, it is possible to improve the consistency for being stacked in the sheet material P of discharge tray 14.
In the present embodiment, as shown in figure 4, linking part 312 presses on the discharge direction E of sheet material P with from a pair
The end of downstream side (front end) in portion 311,311 is downstream advanced and gradually balanced or substantially to the inside of width direction H
Balancedly tilt.Linking part 312 in a manner of making central portion on width direction H or substantially central portion become vertex with it is a pair of
Press section 311,311 connects.In addition, a pair of of press section 311,311 includes base portion 311a, 311a and rake 311b, 311b.
Base portion 311a, 311a are arranged in parallel or substantially in parallel along the discharge direction E of sheet material P.Rake 311b, 311b are set to
Between base portion 311a, 311a and linking part 312.Rake 311b, 311b are respectively with from base portion 311a, 311a to linking part
312 advance and gradually balanced or substantially with the tilt angle smaller than the tilt angle of linking part 312 to the inside of width direction H
Balancedly tilt.Pressing component 310 forms a pair of of press section 311,311 and 312 ー body of linking part.Thereby, it is possible to make by
Splenium part 310 becomes single part.
In the present embodiment, the front end 312a of linking part 312 be located to the central portion of the width direction H of sheet material P or
The position that person's substantially central portion is pressed.In this way, the sheet material P for being stacked in discharge tray 14 can reliably be integrated.
In the present embodiment, pressing component 310 is configured to around the axis Q rotation along width direction H.In this way,
Pressing component 310 can be made successfully to rotate around up and down direction Z.Thereby, it is possible to make discharge sheet material P reliably with pressing component
310 abut.Specifically, in the upstream side end (base end part) of pressing component 310, engaging protuberances 310a, 310a are (referring to Fig. 4
And Fig. 6) prominent to the outside of width direction H.In sheet discharging apparatus main body 302 (outer mounting cover) (referring to Fig. 6) along width side
It is through with engaging hole portion 302a, 302a to H (referring to Fig. 6).Hole portion 302a, 302a is engaged with can be around the side that axis Q is rotated freely
Formula is caught in engaging protuberances 310a, 310a.
In the present embodiment, discharge tray 14 (referring to Fig. 2, Fig. 6, Fig. 9) has the first tray portion 141 and the second support
Pan portion 142.First tray portion 141 is located at the upstream side (base end side) of discharge tray 14 on the discharge direction E of sheet material P.Second support
The downstream side of pan portion and the first tray portion 141 is connected with.First tray portion 141 and the second tray portion 142 are integrally formed.First support
Pan portion 141 is tilted in downstream side (front end side) mode higher than upstream side.Second tray portion 142 is horizontal or approximate horizontal, or
It is tilted in such a way that the angle less than the first tray portion 141 is got higher than upstream side by downstream side.
However, for discharge tray 14, in the case where producing the middle folding of sheet material P, sheet material P front end P1 with
Sheet material P is placed in discharge tray 14 while the movement in the first tray portion 141 in the state of the contact of first tray portion 141.
At this point, if the front end P1 of sheet material P is not moved swimmingly in the first tray portion 141, for example, sheet material P so that front end P1 downwards and
Curved state is stacked in discharge tray 14.On the other hand, in the case where not generating the middle folding of sheet material P, it can make sheet material P's
Front end P1 is contacted with the second tray portion 142.Such as sheet material P is so that P1 downward and curved state in front end is stacked in discharge as a result,
The case where pallet 14, will not occur or hardly occur.
In this regard, in the present embodiment, as shown in figure 12, pressing component when sheet material P and discharge tray 14 contact
310 the first pressing area α extends up to corresponding region δ corresponding with the second tray portion 142 on the discharge direction E of sheet material P.
In this way, by the portion other than the apex Pc of the mountain portion Pa of the first pressing area α pressing sheet material P when sheet material P can be discharged
The state divided ensures to corresponding region δ corresponding with the second tray portion 142.Therefore, the front end P1 and the second support of sheet material P can be made
Pan portion 142 contacts.In such manner, it is possible to move the front end P1 of sheet material P swimmingly in the second tray portion 142.As a result, for example, sheet material P
So that P1 downward and curved state in front end will not occur or hardly occur the case where being stacked in discharge tray 14.
(second embodiment)
Figure 13 is the top view for indicating the other examples of pressing component 310.Pressing component 310 shown in Figure 13 is implemented first
In the pressing component 310 of mode remove linking part 312, and by a pair of of press section 311,311 along the discharge direction E of sheet material P with
Linearly component made of (rodlike) formation.A pair of of press section 311,311 of pressing component 310 shown in Figure 13 has first to press
Intermediate pressure section α.In this way, sheet material P can be made steadily to be discharged and inhibits the middle folding of sheet material P.
(third embodiment)
Figure 14 is the top view for indicating the another other examples of pressing component 310.Pressing component 310 shown in Figure 14 is second
The pressing component 310 of embodiment is provided with the component of linking part 312.The linking part 312 of pressing component 310 shown in Figure 14 with
A pair of of press section 311,311 is rectangular or substantially at right angles linearly to be formed.In this way, a pair of of press section can be made
311, it 311 integrally acts.Thereby, it is possible to abut the sheet material P of discharge steadily with pressing component 310.
(the 4th embodiment)
Figure 15 is the top view for indicating the another other examples of pressing component 310.Pressing component 310 shown in figure 15 is in third
The central portion of the width direction H of linking part 312 is provided with the component of protruding portion 312b in the pressing component 310 of embodiment.Figure
The protruding portion 312b of pressing component 310 shown in 15 has the second pressing area β.Protruding portion 312b along sheet material P discharge side
Extend to E.It in this way, being capable of width direction when sheet material P and discharge tray 14 are contacted by protruding portion 312b to sheet material P
Middle section γ (referring to Fig.1 1) on H is pressed.Thereby, it is possible to improve be stacked in discharge tray 14 sheet material P it is consistent
Property.
(other embodiments)
In the present embodiment, make the press section of pressing component become a pair of (two) but it is also possible to be one or three with
On.In addition, in the present embodiment, making to bend additional component as flexure additional rollers but it is also possible to be the additional guiding piece of flexure.
The present invention is not limited by embodiments described above, can be implemented with other various forms.Therefore, above-mentioned reality
All aspects of mode only simple illustration is applied, explains the present invention with not limiting.The scope of the present invention is by claim
Book is shown, and is not limited completely by specification text.Also, belong to the equivalency range of claims deformation, change it is all
In the scope of the present invention.
Symbol description
100 image forming apparatuses
14 discharge tray
141 first tray portions
142 second tray portions
300 sheet discharging apparatus
300a discharge outlet
301 sheet material pressing mechanisms
302 sheet discharging apparatus main bodys
31 distributing rollers
310 pressing components
311 press sections
311a base portion
311b rake
312 linking parts
The front end 312a
312b protruding portion
Distributing roller on the upside of 31a
Distributing roller on the downside of 31b
32 flexure additional rollers (example of flexure additional component)
E discharge direction
H width direction
The line of demarcation L
P sheet material
The front end P1
The rear end P2
The mountain Pa portion
Pb valley
Pc apex
The vertex Pt
Q axis
The first pressing area α
The second pressing area β
γ middle section
The corresponding region δ
Claims (8)
1. a kind of sheet material pressing mechanism, with pressing component, the pressing component is will be along orthogonal with the discharge direction of sheet material
Width direction rises and falls and is attached to press the sheet material when sheet material bent is discharged towards discharge tray, and described
Material pressing mechanism is characterized in that,
The pressing component has the first pressing area, and first pressing area is when the sheet material of discharge is abutted to described
Part other than the apex in the mountain portion of sheet material is pressed.
2. sheet material pressing mechanism according to claim 1, which is characterized in that
The pressing component has the second pressing area, and second pressing area is contacted in the sheet material with the discharge tray
When the middle section in the width direction of the sheet material is pressed.
3. according to claim 1 or sheet material pressing mechanism as claimed in claim 2, which is characterized in that
First pressing area is when the sheet material of discharge is abutted to two other than the apex in the mountain portion of the sheet material
Above part is pressed.
4. sheet material pressing mechanism described in any one of according to claim 1~claim 3, which is characterized in that
The pressing component includes a pair of of press section, when the sheet material of discharge is abutted to the top in the mountain portion of the sheet material
Two parts other than point portion are pressed；And linking part, the front end of the pair of press section is linked.
5. sheet material pressing mechanism described in any one of according to claim 1~claim 4, which is characterized in that
When in the discharge direction of the sheet material from vertical direction, the pressing component is formed as that downstream side is made to become bending
The substantially U-shaped in portion.
6. sheet material pressing mechanism described in any one of according to claim 1~claim 5, which is characterized in that
The pressing component is configured to around the axis rotation along the width direction.
7. a kind of image forming apparatus, which is characterized in that have:
Sheet material pressing mechanism described in any one of 1~claim 6 of claim.
8. image forming apparatus according to claim 7, which is characterized in that
The discharge tray has the first tray portion of upstream side in the discharge direction of the sheet material and is connected in described first
Second tray portion in the downstream side of tray portion,
First tray portion is tilted in the downstream side mode higher than upstream side,
Second tray portion is horizontal or approximate horizontal, or compares upstream with downstream side with the angle for being less than first tray portion
The high mode in side tilts,
First pressing area of the pressing component when sheet material and the discharge tray contact is in the sheet material
Region corresponding with second tray portion is extended up in discharge direction.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017-217636 | 2017-11-10 | ||
| JP2017217636A JP7005299B2 (en) | 2017-11-10 | 2017-11-10 | Sheet holding mechanism and image forming device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110007572A true CN110007572A (en) | 2019-07-12 |
| CN110007572B CN110007572B (en) | 2022-05-03 |
Family
ID=66433101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811291470.2A Active CN110007572B (en) | 2017-11-10 | 2018-10-31 | Sheet discharge apparatus and image forming apparatus |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20190144232A1 (en) |
| JP (1) | JP7005299B2 (en) |
| CN (1) | CN110007572B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57155142U (en) * | 1981-03-23 | 1982-09-29 | ||
| JPH03147673A (en) * | 1989-11-01 | 1991-06-24 | Hitachi Ltd | Collecting device for paper |
| US20020171197A1 (en) * | 2001-03-30 | 2002-11-21 | Ardery Jeffrey Allen | Sheet beam breaker |
| JP2003040507A (en) * | 2000-10-31 | 2003-02-13 | Ricoh Co Ltd | Sheet material discharge device and image forming device |
| US20090189344A1 (en) * | 2008-01-30 | 2009-07-30 | Canon Kabushiki Kaisha | Sheet discharging apparatus and image forming apparatus |
| JP2010001107A (en) * | 2008-06-18 | 2010-01-07 | Fuji Xerox Co Ltd | Medium delivery device, image forming device, and medium striking member |
| JP2011230886A (en) * | 2010-04-27 | 2011-11-17 | Murata Machinery Ltd | Image forming apparatus |
| CN102390746A (en) * | 2010-06-17 | 2012-03-28 | 柯尼卡美能达商用科技株式会社 | Sheet discharge roller and image forming apparatus |
| JP2013015752A (en) * | 2011-07-06 | 2013-01-24 | Fujitsu Ltd | Printer |
| WO2017180152A1 (en) * | 2016-04-15 | 2017-10-19 | Hewlett-Packard Development Company, L.P. | Bail arm to rotate and oscillate |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003040506A (en) * | 2001-07-31 | 2003-02-13 | Ricoh Co Ltd | Sheet discharge device and image forming device |
| US20180370259A1 (en) * | 2017-06-22 | 2018-12-27 | Hewlett-Packard Development Company, L.P. | Move bail arms |
-
2017
- 2017-11-10 JP JP2017217636A patent/JP7005299B2/en active Active
-
2018
- 2018-10-31 CN CN201811291470.2A patent/CN110007572B/en active Active
- 2018-11-08 US US16/184,569 patent/US20190144232A1/en not_active Abandoned
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57155142U (en) * | 1981-03-23 | 1982-09-29 | ||
| JPH03147673A (en) * | 1989-11-01 | 1991-06-24 | Hitachi Ltd | Collecting device for paper |
| JP2003040507A (en) * | 2000-10-31 | 2003-02-13 | Ricoh Co Ltd | Sheet material discharge device and image forming device |
| US20020171197A1 (en) * | 2001-03-30 | 2002-11-21 | Ardery Jeffrey Allen | Sheet beam breaker |
| US20090189344A1 (en) * | 2008-01-30 | 2009-07-30 | Canon Kabushiki Kaisha | Sheet discharging apparatus and image forming apparatus |
| JP2010001107A (en) * | 2008-06-18 | 2010-01-07 | Fuji Xerox Co Ltd | Medium delivery device, image forming device, and medium striking member |
| JP2011230886A (en) * | 2010-04-27 | 2011-11-17 | Murata Machinery Ltd | Image forming apparatus |
| CN102390746A (en) * | 2010-06-17 | 2012-03-28 | 柯尼卡美能达商用科技株式会社 | Sheet discharge roller and image forming apparatus |
| JP2013015752A (en) * | 2011-07-06 | 2013-01-24 | Fujitsu Ltd | Printer |
| WO2017180152A1 (en) * | 2016-04-15 | 2017-10-19 | Hewlett-Packard Development Company, L.P. | Bail arm to rotate and oscillate |
Also Published As
| Publication number | Publication date |
|---|---|
| US20190144232A1 (en) | 2019-05-16 |
| JP2019089608A (en) | 2019-06-13 |
| CN110007572B (en) | 2022-05-03 |
| JP7005299B2 (en) | 2022-01-21 |
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