CN106882632B - Paper transport device - Google Patents
Paper transport device Download PDFInfo
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- CN106882632B CN106882632B CN201611027128.2A CN201611027128A CN106882632B CN 106882632 B CN106882632 B CN 106882632B CN 201611027128 A CN201611027128 A CN 201611027128A CN 106882632 B CN106882632 B CN 106882632B
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- Prior art keywords
- paper
- roller
- bellows
- transport device
- tray
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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
- B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
- B65H29/20—Delivering or advancing articles from machines; Advancing articles to or into piles by contact with rotating friction members, e.g. rollers, brushes, or cylinders
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/10—Rollers
- B65H2404/14—Roller pairs
- B65H2404/143—Roller pairs driving roller and idler roller arrangement
Abstract
A kind of paper transport device is provided, is conveyed with forming ripple according to the thickness of paper.Paper transport device has：Roller pair, the driving roller and follower roller by paper is discharged from image forming apparatus main body are constituted；Bellows abut the paper of discharge with by the roller, and form ripple on the paper；And standby tray, there is a pair of of tray member, the standby tray loads standby for paper to the paper of discharge by the roller, while the width of tray member described in the size adjusting according to paper, adjusts the interval of the roller pair.
Description
The application be the applying date be on October 24th, 2013, application No. is 201310507719.X, entitled " paper
The divisional application of the application of conveying device ".
Technical field
The present invention relates to the paper transport devices conveyed with forming ripple according to the thickness of paper.
Background technology
All the time, change and form wave on the direction (paper width direction) orthogonal with the conveying direction in paper sheet delivery face
The position of line or intensity, to prevent top of form sagging.
But it needs to detect the sensor of paper width, detect the sensor of paper sheet thickness and carry out based on these biographies
The Mechanical course of the testing result of sensor.Accordingly, there exist causing to increase to form the structure and number of parts of ripple, to improve at
This problem of.
Invention content
Solve the technical solution of technical problem
The paper transport device of embodiment has：Roller pair, by the driven roller that paper is discharged from image forming apparatus main body
It is constituted with driven voller；Bellows abut the paper of discharge with by the roller, and form wave on the paper
Line；And standby tray, there is a pair of of tray member, the standby tray to load by the paper of the roller to discharge
Standby for paper, while the width of tray member described in the size adjusting according to paper, adjustment adjusts the interval of the roller pair.
The paper transport device of embodiment has：Roller to by from image forming apparatus main body be discharged paper driven roller and
Driven voller is constituted；Bellows abut the above-mentioned paper of discharge with by above-mentioned roller, ripple are formed on the paper；And
Elastomeric element, by the pressing of above-mentioned bellows on discharged above-mentioned paper.
In addition, the paper transport device of embodiment has：Roller pair, by the drive that paper is discharged from image forming apparatus main body
Dynamic roller and driven voller are constituted；Bellows abut the above-mentioned paper of discharge with by above-mentioned roller, wave are formed on the paper
Line；And balance weight, by the pressing of above-mentioned bellows on discharged above-mentioned paper.
In addition, the paper transport device of embodiment has：Roller pair, by the drive that paper is discharged from image forming apparatus main body
Dynamic roller and driven voller are constituted；Bellows abut the above-mentioned paper of discharge with by above-mentioned roller, wave are formed on the paper
Line；And elastic piece, when above-mentioned paper thickness, the elastomeric element is integrally formed and is pressed with above-mentioned bellows and arranged
On the above-mentioned paper gone out.
Description of the drawings
Fig. 1 is the general of the structure of the image forming apparatus for the paper transport device for indicating to have involved by first embodiment
Sketch map.
Fig. 2 is the stereogram of the main portions of Fig. 1.
Fig. 3 is the stereogram for the main portions observed from the A arrow directions of Fig. 1.
Fig. 4 is the stereogram of the main portions of Fig. 1.
Fig. 5 is the side view of the effect for illustrating first embodiment.
Fig. 6 is the side view of the effect for illustrating first embodiment.
Fig. 7 A are the definition graphs for the effect of definition graph 5.
Fig. 7 B are the definition graphs for the effect of definition graph 6.
Fig. 8 is the definition graph of the effect of first embodiment.
Fig. 9 is the stereogram of the main portions for illustrating the second embodiment involved by paper transport device.
Figure 10 is the side view of the main portions for illustrating the third embodiment designed by paper transport device.
Figure 11 is the side view of the effect for illustrating third embodiment.
Figure 12 is the stereogram of the main portions for illustrating the 4th embodiment involved by paper transport device.
Figure 13 is to expand the side view for showing that a part for the main portions of Figure 12 is cut away.
Figure 14 is the front view of the main portions for illustrating the 5th embodiment involved by paper transport device.
Figure 15 is the definition graph of the effect of the 5th embodiment.
Specific implementation mode
Embodiment is specifically described below with reference to attached drawing.
First embodiment
Fig. 1 is the general of the structure of the image forming apparatus for the paper transport device for indicating to have involved by first embodiment
Sketch map.The paper transport device carries out paper post-processing.Paper post-processing includes bookbinding, classification, punching and intermediate bookbinding
Deng, here to carry out binding process paper processing device illustrate.
The upper surface part of paper transport device 100 is provided with fixed tray 75.Fixed tray 75 has loaded paper
The front end for opening P is higher than the gradient of rear end.The ejection port 71 of fixed tray 75 nearby has output mechanism, is provided with clamping conveying
A pair of of paper ejection rollers 76,77 of paper P.From the entrance roller 22 for receiving paper P from the anterior device of image forming apparatus 5 etc.
To the fixed tray path 74 being provided between ejection port 71 to the guiding paper of paper ejection rollers 76,77 P.
The lower section of ejection port 71 is provided with the rear end supporter i.e. more pallet ribs 80 of the rear ends support paper P.Fixed support
Disk 75 and pallet rib 80 are integrally formed.The loading pole of the paper P on detection fixed tray 75 is installed in the top of ejection port 71
The sensor 81 of limit.
As described above, fixed tray 75 is obliquely installed in such a way that the front end side of paper P is higher than rear end side.Therefore, it conveys
Paper P to fixed tray 75 is returned using the gradient of fixed tray 75 to extreme direction after thin slice, that is, directions arrow x, and rear end is made
It is longitudinally aligned after being abutted with pallet rib 80.Equally, the paper P being discharged from image forming apparatus 5 is by successively to fixed tray 75
It is discharged and longitudinally-aligned until reaching defined number.
The lower section of fixed tray 75 is provided with standby tray 10.It is provided with from entrance roller 22 to standby tray 10
The paper path 36 that paper P is guided to a pair of of paper feed roller (sheet feed section) 24.In addition, from paper feed roller 24 to standby tray 10
It is provided with exit sensor 60.In the present embodiment, exit sensor 60 is adjacent to configuration with paper feed roller 24.Exit sensor
The paper P that 60 detections are conveyed by paper path 36.Paper P is hold conveying by paper feed roller 24.In the lower section of standby tray 10
Configured with processing pallet 12, the processing pallet 12 is loaded from standby tray 10 i.e. from mobile tray member 10a, 10b (figure
2) the paper P of supply is fallen between.The roller being made of driven roller 19a and driven voller 19b with defined pressure to by being contacted
Driven roller 19a and driven voller 19b constitute.Roller is to positioned at the downstream side of paper feed roller 24, conveying passes through the paper that paper feed roller 24 conveys
Open P.Driven roller 19a and driven voller 19b are for example, by using rubber material.
It handles pallet 12 and in the processing mechanism, that is, binder 14 for carrying out paper post-processing is carried out to paper P the binding process phase
Between, it is aligned and supports loaded paper.Handling pallet 12 has a pair of of alignment roller 38a, 38b up and down, described a pair of right up and down
Neat roller 38a, 38b are configured to tilt downwards towards binder 14, multiple paper P of supply will be fallen from standby tray 10
To conveying direction, that is, longitudinally-aligned.Alignment roller 38a, 38b is arranged near binder 14, and after being also used as binding process
Paper stack clamping after from binder 14 take out paper stack conveying roller.
In addition, when falling supply paper P to processing pallet 12 from standby tray 10, in the position that the rear end of paper P is fallen
Configured with the paddle type object 44 being loaded on processing pallet 12.Paddle type object 44 is rotatable, and uppermost paper P is longitudinally-aligned.
Paddle type object 44 is formed by rubber, has elasticity.
End set in 14 side of binder of processing pallet 12 has the rear end with paper P to abut, and limits back-end location
Retainer 45.Substantially intermediate in processing pallet 12 is provided with conveyer belt 50.Conveyer belt 50 passes through after having carried out binding process
The paper stack that alignment roller 38a, 38b is taken out from binder 14 is transported to the first discharge tray (paper discharge unit) 16.Pacify on conveyer belt 50
Equipped with the supply hook 50a for tangling the rear end of paper stack.
Paper P can be fallen supply by standby tray 10 to processing pallet 12.On the other hand, standby tray 10 will can not carry out
The paper P of binding process is conveyed to 16 direction of the first discharge tray.It is to pass through drive to 16 direction of the first discharge tray conveying paper
The roller pair of dynamic roller 19a and driven voller 19b is contacted with the paper P on standby tray 10 and is carried out.
Driven roller 19a, which is rotated by arm 64 by rotating electromagnetic solenoid 63, to be driven, and is driven by feeder motor rotation (not shown)
It is dynamic.Feeder motor is connect with the first roll shaft 19d for being pivotably supported driven roller 19a.It is driven when being abutted with driven roller 19a
Roller 19b is rotated with the rotation of driven roller 19a.Driven voller 19b with driven roller 19a when abutting, in driven voller 19b and driving
Bite is formed between roller 19a.
Aftermentioned corrugated part is being provided with to the top position that paper P is discharged by the roller of driven roller 19a and driven voller 19b
Part 25.
Fig. 2 is the stereogram of standby tray 10.Standby tray 10 is configured to have the front end for making paper P higher than rear end
Gradient.Standby tray 10 is made of a pair of of tray member 10a, 10b.Tray member 10a and 10b along the width of paper P to slide
Dynamic state receives paper P, the both sides of support paper P.Standby tray 10 passes through the sliding (not shown) of standby tray motor.Pallet
Component 10a is slided towards the negative direction of arrow Y-direction and arrow Y-direction.Tray member 10b is towards the directions arrow z and the arrow side z
To negative direction slide movement.Driven voller 19b is arranged on standby tray 10, driven with the sliding movement of standby tray 10
Roller 19b is also moved.
The a series of movement of the paper P of paper transport device 100 is illustrated.There are three transport paths by paper P.The
One transport path is the path that paper P is discharged to fixed tray 75 without bookbinding.Second transport path is without at bookbinding
Reason, the path that paper P is discharged to discharge tray 16.Third transport path be carry out binding process, paper P from processing pallet 12 to
The path that discharge tray 16 is discharged.
The first transport path is illustrated first.Without binding process just to 75 paper discharge of fixed tray the case where
Under, the paper P being discharged from the paper feed roller 6 of image processing system 5 is discharged by pallet path 74 to paper by entrance roller 22
Roller 76,77 is discharged after conveying to fixed tray 75.The paper P being discharged from image processing system 5 is by successively to 75 row of fixed tray
Go out and longitudinally-aligned, until reaching defined number.
The second transport path is illustrated below.To paper P without binding process just to the first discharge tray 16
In the case of paper discharge, such as discharge tray 16 is slided to position shown in dotted lines in Figure 1 in advance.The case where without binding process
Under, to entrance roller 22 convey paper P from entrance roller 22 by paper path 36 to paper feed roller 24 convey, by paper feed roller 24 to
10 paper supply of standby tray.Then paper P is conveyed on standby tray 10 by driven roller 19a and driven voller 19b, to discharge tray
16 discharges.
Third transport path is illustrated below.When carrying out binding process to paper P, the tray member of standby tray 10
10a, 10b carry out sliding movement and can support paper P.The paper be discharged from image forming apparatus 5, supplied by paper feed roller 24
P is for example loaded on standby tray 10, so as to etc. stay in processing pallet 12 on complete to carry out at bookbinding the paper P of front
Reason.During processing on waiting pending pallet 12 terminates, multiple paper P is loaded on standby tray 10.
If handling the paper P before on pallet 12 to be discharged to discharge tray 16, the binding process on pallet 12 is handled
Terminate, then the tray member 10a of Fig. 2 is slided to the directions arrow y, tray member 10b to the directions arrow z respectively.Then make loading
Paper P on standby tray 10 is fallen to processing pallet 12.After carrying out binding process, conveyer belt 50 is driven, will be carried out
The rear end of paper stack T after binding process conveys after hanging on supply hook 50a to discharge tray 16.
In the case where conveying long sized paper sheets P to standby tray 10, even if driven roller 19a is made to be detached with driven voller 19b,
The conveying of paper feed roller 24 can also be utilized to convey paper P to standby tray 10.If driven roller 19a is detached with driven voller 19b,
Then driven voller 19b does not have the carrying capacity of paper, but since the isometric sized paper sheets P of FOLIO have enough length, passes through
Paper feed roller 24 positioned at the upstreams driven voller 19b can also convey paper P to standby tray 10.
At this point, since the isometric sized paper sheets P length directions of FOLIO are long, even if driven roller 19a divides with driven voller 19b
From or bellows 25 to be formed the processing of ripple, downwards sagging can also be inhibited, but paper contacts discharge tray 16.
Even if carrying out the conveying of paper P, when making paper P in the standby state of standby tray 10, paper P by above-mentioned third transport path
Front end contacted with discharge tray 16.
Fig. 3 is the stereogram for the main portions observed from the A arrow directions of the top of the discharge tray 16 of Fig. 1.Fig. 3 shows
Go out the knot of the terminal stage of above-mentioned second transport path without carrying out binding process to paper P to 16 paper discharge of the first discharge tray
Structure.In addition, as shown in Fig. 2, the second roll shaft 19b is separately positioned on tray member 10a, 10b, but in figure 3, in order to indicate
One roll shaft, the second roll shaft and bellows 25 relationship and tray member 10a, 10b not shown.
In the direction orthogonal with sheet transport direction, multiple (being 4 in illustrated example) rollers pair are set at a prescribed interval.It can
Interval and the quantity of roller pair are suitably changed with the maximum width and minimum widith of the paper handled according to image forming apparatus.Roller
To by being constituted with the driven roller 19a and driven voller 19b of defined pressure contact.
Driven roller 19a is rotated centered on the first roll shaft 19d along the direction configuration orthogonal with sheet transport direction
Roller, driven voller 19b is the roller rotated centered on the second roll shaft 19e parallel with the first roll shaft 19d.In addition, driven roller 19a
With driven voller 19b with driven roller 19a in upside, driven voller 19b in downside, the opposite state configuration of upper and lower directions.
First roll shaft 19d is for example constituted using metal shaft.In addition, the first roll shaft 19d is using motor (not shown) as drive
Dynamic source is equipped with multiple driven roller 19a to bidirectional rotary on first roll shaft 19d.Therefore, if being formed makes the first roll shaft
19d rotates, then the structure that multiple driven roller 19a integratedly rotate simultaneously.
In contrast, each driven voller 19b is individually rotatably supported centered on the second roll shaft 19e.In addition, driving
Dynamic roller 19a is pressed against by the roller pressing member that such as spring members (not shown) are formed on each driven voller 19b.
Moreover, being additionally provided with bellows 25 in addition to multiple rollers pair in paper ejection part.Bellows 25 are arm portion
Part, for forming ripple on the paper by roller to discharge, the bearing 251 of one end is rotatably supported by axis 26.Bellows
25 is orthogonal with axis 26, is supported with the state extended to the downstream side of paper sheet delivery.
As shown in figure 4, the downside of the other end of bellows 25 forms the corrugated part 252 for pressurizeing to paper P.
Be provided on bellows 25 between corrugated part 252 and bearing 251 engaging recessed part 253 and with the engaging recessed part 253
Relative position is formed with the holding section 255 of snap-latch piece 254.Holding section 255 engages the first roll shaft 19d.Engaging recessed part 253 with
Engaged with clearance between first roll shaft 19d (with reference to Fig. 5).Therefore, engaging recessed part 253 can to the first roll shaft 19d just
It slightly moves in the direction of friendship.
Herein, in the paper transport device of present embodiment, the mode of movement of paper is used is with the center of paper width
Standard conveys the central standard mode of paper.Using the central standard mode, even if in paper transportation path
The width of the paper of conveying changes, and the center of paper width is also by common central standard position.Therefore, roller pair with
Two driven roller 19a of the orthogonal rotary axis direction of sheet transport direction, inside are configured equidistant with central standard position
Position.Two driven roller 19a in outside are also disposed in and the equidistant position in central standard position.
Elastomeric element such as spring 27 is configured between the bearing 251 and holding section 255 of bellows 25.Spring 27
One end engages with the engaging portion 256 being integrally formed on bellows 25.The other end of spring 27 and paper transport device main body
The engaging of such as frame 28 in 100 (with reference to Fig. 5).Elastomeric element is it is also contemplated that padded coaming etc..
Therefore, by the elastic force of spring 27, the directions arrow B into figure are pressed bellows 25 centered on bearing 251.
Pressable range is equivalent to the first roll shaft 19d shown in fig. 5 clearance distance L between holding section 255.
Herein, the action of bellows 25 is illustrated referring to figure 5 and figure 6.
The thickness of the paper P used in Fig. 5 is t1, and the thickness of the paper P used in Fig. 6 is t2.Thickness t1, t2 is set to be formed
The relationship of t1 ＜ t2.In addition, keeping the material of paper identical.
First, in Figure 5 by roller to the paper P of discharge thickness t1.A part of paper P utilizes bullet in discharge process
The elasticity of spring 27 is abutted with corrugated part 252.The paper P of abutment portion is pressed and forms ripple.Fig. 7 A are shown to thickness t1's
The corrugated state of paper p-shaped.It is θ 1 by the angle initialization of ripple at this time.
In figure 6 again by roller to the paper P of discharge thickness t2.A part of paper P utilizes bullet in discharge process
The elasticity of spring 27 is abutted with corrugated part 252.The paper P of abutment portion is pressed and forms ripple.Fig. 7 B are shown to thickness t2's
The corrugated state of paper p-shaped.It is θ 2 by the angle initialization of ripple at this time.
Since the paper material of thickness t1, t2 are identical, thickness t2 overcomes the power of the elasticity of spring 27 strong.Therefore, with
Thickness t1 is compared, and thickness t2 forms the relationship of t1 ＜ t2, therefore the angle of ripple forms 1 ＞ θ 2 of θ, the wave of the paper P of thickness t1
Line amount increases.
In this way, in the case of the thickness of paper P is thin, ripple quantity can be increased.It is possible thereby to according to the thickness tune of paper P
It is shaped to ripple appropriate.
In addition, considering the thickness of paper in the above description, but in the case of material difference, elastic portion can also be passed through
The effect formation ripple corresponding with material of part.
Fig. 8 shows the comparison knot of the conveying load of the paper P of existing bellows and the bellows of present embodiment
Fruit.The average conveying load of five measurement results is that existing bellows are 168gf, and the bellows of present embodiment are
115gf。
As shown in Figure 8, the bellows 25 of present embodiment can be mitigated the result of conveying load.Therefore, even if
Using bellows, unobstructed paper sheet delivery can also be obtained.
It can carry out paper sheet delivery unobstructedly in the present embodiment.In addition, in the bellows corrugated to paper shaped
On be provided with to paper orientation apply elastic force elastomeric element.It as a result, can without using detecting the sensor etc. of paper sheet thickness
To form ripple corresponding with paper.
Second embodiment
Fig. 9 is the stereogram of the bellows 25 of the second embodiment for illustrating paper transport device.First implements
The bellows 25 of mode form ripple by corrugated part 252 by applying pressure while sliding on paper P.Such case
Under, the thickness of paper P increases or the surface flatness of paper P is deteriorated, then there is a possibility that cannot unobstructed landform it is corrugated.
Therefore, in the present embodiment, the position for the corrugated part 252 for being equivalent to first embodiment is provided with corrugation rolls
257。
Supported hole 2571 is formed in corrugation rolls 257.It is inserted into the supported hole 2571 integrally formed with bellows 25
Two fulcrums 258a, 258b, and rotatably supported.The front end of fulcrum 258a, 258b it is reversely with each other formed
Locking pawl 258c, 258d.Locking pawl 258c, 258d have elasticity.Corrugation rolls 257 make locking pawl 258c, 258d overcome elastic force and
It is closer to each other and be inserted into fulcrum 258a, 258b, it is rotatably supported after insertion by restoring.
Corrugation rolls 257 exist while being rotated on paper P forms ripple on paper P.It can mitigate by the bullet of spring 27
Property generate paper P and bellows 25 between friction.
In the present embodiment, even if rubbing to bellows in paper thickness or the slickness difference of paper surface etc. increased
In the case of, it can also realize unobstructed paper sheet delivery.
Third embodiment
Figure 10 is the side view of the main portions for the third embodiment for illustrating paper transport device.
Present embodiment does not use the spring 27 of first embodiment, but balance weight 81 is installed on bellows 25.
Balance weight 81 is mounted remotely from the bellows 25 of the position of the axis 26 supported freely to rotate.Moreover, with clearance
It is provided with padded coaming 82 between engaging recessed part 253 and the first roll shaft 19d.Padded coaming 82 is for preventing when conveying paper P
The mechanicalness noise generated by the contact with the first roll shaft 19d of engaging recessed part 253.Bellows 25 are by balance weight 81 by paper
It presses in the direction of P.
Herein, 0 and Figure 11 illustrates the effect of third embodiment referring to Fig.1.In the present embodiment, also to figure
10 with the paper P of Figure 11 be that the different example of same material, thickness illustrates.The thickness of the paper P of Figure 10 is t1, Figure 11's
The thickness of paper is t2.Make t1 and t2 that there is the relationship of t1 ＜ t2.
Therefore, because the thickness t2 waves that are thin, therefore being formed by balance weight 81 of thickness t1 ratios Figure 11 of the paper P of Figure 10
Line is as shown in Figure 7 A.Similarly, since the thickness t1 of thickness t2 ratios Figure 10 of the paper P of Figure 11 is thick, therefore pass through 81 shape of balance weight
At ripple it is as shown in Figure 7 B.
Therefore, in the case of using balance weight 81, ripple quantity can also be increased when paper P is thin, when paper P thickness can also subtract
Few ripple quantity.In addition, the corrugated part 252 abutted with paper P can also use the corrugation rolls illustrated in second embodiment
257。
It is same in the present embodiment, it, can by being pressed to paper orientation to the bellows for forming ripple on paper
To form ripple corresponding with paper.
4th embodiment
Figure 12 is the stereogram of the main portions for the 4th embodiment for illustrating paper transport device.In 4th embodiment
The spring 27 of the above embodiment and balance weight 81 are replaced with elastic piece 259.
At the position opposite with the open portion of engaging recessed part 253 and snap-latch piece 254, with the integrated landform of bellows 25
At flexible 259.Elastic piece 259 has elasticity in the direction orthogonal with the first roll shaft 19d.First roll shaft 19d configurations are in card
It closes between piece 254 and elastic piece 259.Bellows 25 are rotated according to the thickness of paper P centered on axis 26.
That is, the increased bellows of thickness 25 in paper P are rotated, to adjust ripple forming amount.Thickness
When thin paper P, overcomes the elasticity of elastic piece 259 and control the forming amount of ripple on paper P.When the thickness thickness of paper P, wave
Line component 25 controls the forming amount of ripple using elastic piece 259.
Same in this embodiment, using paper P as same material, thickness accounts in case of being t1 ＜ t2.
In the case of the ripple that the paper P of thickness t1 is formed by corrugated part 252, bellows 25 do not rotate, and formation is equivalent to figure
The state of 7A.In addition, in the case that the paper P of thickness t2 is by corrugated part 252, bellows 25 are rotated.It is formed as a result,
Ripple become the state of Fig. 7 B of being equivalent to.
In this way, by the effect of elastic piece 259, ripple quantity can be increased when paper P is thin, when paper thickness can reduce ripple
Amount, so as to form ripple corresponding with paper.
5th embodiment
Figure 14 is the side view of the main portions for the 5th embodiment for illustrating paper transport device.
Present embodiment forms ripple using bellows 25 on paper P.Moreover, being waited for according to the size adjusting of paper P
While the width of tray member 10a, 10b of machine pallet 10, the position of driven roller 19a and driven voller 19b are adjusted.
According to the size of paper P, expand as possible in the case where the conveying for not reducing driven roller 19a and driven voller 19b is clamped
The interval of big driven roller 19a and driven voller 19b.
Figure 15 be to change standby tray width in the case of, the bellows of existing bellows and present embodiment
Paper P the figure that is compared of remaining carrying capacity.In addition, remaining carrying capacity indicates that rubber system is driven in the case of a temperature drop
The surplus energy of the carrying capacity of the frictional decrease of dynamic roller 19a and driven rod 19b.
Figure 15 indicates to change based on tray member 10a, 10b the remaining carrying capacity in the case of the gripping width of paper P
The measurement result of remaining carrying capacity in the case of measurement result and the condition of change bellows.The clamping for changing paper P is wide
Degree is in case of being set as 165mm and be set as 177.4mm.Change the condition of bellows and existing wave is used with (1)
In case of bellows are not used in the case where the case where line component, (2) use the bellows of present embodiment, (3).
Measure 5 remaining carrying capacities.In the case that the width of tray member 10a, 10b of standby tray 10 are 165mm, put down
Residue carrying capacity is 32gf when using existing bellows, is 108gf when using the bellows of present embodiment,
It is 500gf when bellows are not used.Equally, average surplus when the width of tray member 10a, 10b being set as 177.4mm
Remaining carrying capacity is 159gf when using existing bellows, is 220gf when using the bellows of present embodiment,
It is 500gf when bellows are not used.
In the case of bellows 25 using present embodiment, obtain as shown in Figure 8 conveying load reduction as a result, same
When, the increased result of remaining carrying capacity is obtained as shown in figure 15.It therefore, can also unobstructedly in the case of using bellows
Paper is conveyed, while may insure to convey required remaining carrying capacity.
In the present embodiment, paper can also be conveyed unobstructedly in the case of using bellows.Moreover, according to paper
Size adjusting driven roller and driven voller interval, to do not reduce conveying clamping can be obtained by remaining carrying capacity.
In the respective embodiments described above, by taking the centrally disposed bellows in standby tray 10 as an example, but not by this
Limitation, can also be arranged multiple.In addition, though carrying out the conveying of paper using center as standard, but even if it is biased to move with paper
The either side for moving orthogonal direction convey and can also be realized.In this case, multiple bellows are preferably provided with right
It should be in the size of paper.
Although the certain embodiments of the present invention have been described, these embodiments are shown the present invention
Example property explanation, and the range being not meant to limit the present invention.In fact, various new device and method described herein can
To be presented as other various forms.Also, it under the premise of without departing from the spirit of the present invention, can be set to described herein
Standby and method form makees various omissions, substitutions and changes.Appended claims and its equivalent cover these and fall into this
The form of the scope and spirit of invention or modification.
Symbol description
19a driven rollers, 19b driven vollers, the first roll shafts of 19d, the second roll shafts of 19e, 25 bellows, 251 bearings, 252 waves
Line portion, 253 engaging recessed parts, 254 snap-latch pieces, 255 holding sections, 256 engaging portions, 257 corrugation rolls, 26 axis, 27 springs, 81 balances
Block, 82 padded coamings, P paper.
Claims (9)
1. a kind of paper transport device, which is characterized in that
Have：
Roller pair, the driving roller and follower roller by paper is discharged from image forming apparatus main body are constituted；
Bellows abut the paper of discharge with by the roller, and form ripple on the paper；
Elastomeric element, by bellows pressing on the discharged paper；And
Standby tray has a pair of of tray member, and the standby tray, which loads, supplies the paper standby,
While the width of tray member described in size adjusting according to paper, the interval of the roller pair is adjusted,
One end of the bellows is supported by axis freely to rotate, and the other end and is parallel to axis installation and by the drive
The first roll shaft that dynamic roller supports freely to rotate engages with clearance.
2. paper transport device according to claim 1, which is characterized in that
The bellows are abutted by corrugation rolls with the paper.
3. paper transport device according to claim 1 or 2, which is characterized in that
The bellows keep the paper shaped corrugated in the downstream of the sheet transport direction of the roller pair.
4. paper transport device according to claim 1, which is characterized in that
Processing pallet is provided with below the standby tray, the standby tray can fall the paper to processing pallet
Lower supply.
5. paper transport device according to claim 4, which is characterized in that
The standby tray is to the processing pallet by from falling the supply paper between the mobile tray member.
6. paper transport device according to claim 1, which is characterized in that
The bellows are provided with multiple.
7. paper transport device according to claim 6, which is characterized in that
The side on being biased to the direction orthogonal with the direction that the paper moves is arranged in the bellows.
8. paper transport device according to claim 1, which is characterized in that
The bellows are arranged in the top by the roller to the paper of discharge.
9. paper transport device according to claim 1, which is characterized in that
The driven voller is arranged in the top of the tray member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611027128.2A CN106882632B (en) | 2013-10-24 | 2013-10-24 | Paper transport device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611027128.2A CN106882632B (en) | 2013-10-24 | 2013-10-24 | Paper transport device |
| CN201310507719.XA CN104555540B (en) | 2013-10-24 | 2013-10-24 | Paper conveying device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310507719.XA Division CN104555540B (en) | 2013-10-24 | 2013-10-24 | Paper conveying device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106882632A CN106882632A (en) | 2017-06-23 |
| CN106882632B true CN106882632B (en) | 2018-09-14 |
Family
ID=53072780
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611027128.2A Active CN106882632B (en) | 2013-10-24 | 2013-10-24 | Paper transport device |
| CN201310507719.XA Active CN104555540B (en) | 2013-10-24 | 2013-10-24 | Paper conveying device |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310507719.XA Active CN104555540B (en) | 2013-10-24 | 2013-10-24 | Paper conveying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN106882632B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6606969B2 (en) * | 2015-10-23 | 2019-11-20 | ブラザー工業株式会社 | Conveying apparatus and inkjet recording apparatus |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102963758A (en) * | 2011-08-29 | 2013-03-13 | 株式会社东芝 | Sheet processing apparatus and sheet conveying method |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61248852A (en) * | 1985-04-26 | 1986-11-06 | Hitachi Ltd | Paper sheets feeder |
| JPH09221257A (en) * | 1996-02-19 | 1997-08-26 | Canon Aptecs Kk | Folded sheet stacking device and image forming device provided therewith |
| JP2931292B2 (en) * | 1998-03-30 | 1999-08-09 | キヤノン株式会社 | Sheet ejection device |
| US6190070B1 (en) * | 1998-10-13 | 2001-02-20 | Xerox Corporation | Printer with media corrugation at media output |
| JP2004315104A (en) * | 2003-04-11 | 2004-11-11 | Kyocera Mita Corp | Sheet correction device and image formation device equipped with it |
| US7434802B2 (en) * | 2004-02-27 | 2008-10-14 | Canon Kabushiki Kaisha | Sheet discharging apparatus and sheet treating apparatus provided with the same |
| JP4277222B2 (en) * | 2005-08-29 | 2009-06-10 | 村田機械株式会社 | Discharge roller device |
| JP5390164B2 (en) * | 2008-10-17 | 2014-01-15 | 富士通フロンテック株式会社 | Paper sheet discharge and accumulation device |
| JP5419533B2 (en) * | 2009-04-30 | 2014-02-19 | キヤノン株式会社 | Image forming apparatus |
| JP5062300B2 (en) * | 2010-06-17 | 2012-10-31 | コニカミノルタビジネステクノロジーズ株式会社 | Paper discharge roller and image forming apparatus |
| JP5191526B2 (en) * | 2010-11-16 | 2013-05-08 | シャープ株式会社 | Sheet conveying apparatus and image forming apparatus having the same |
-
2013
- 2013-10-24 CN CN201611027128.2A patent/CN106882632B/en active Active
- 2013-10-24 CN CN201310507719.XA patent/CN104555540B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102963758A (en) * | 2011-08-29 | 2013-03-13 | 株式会社东芝 | Sheet processing apparatus and sheet conveying method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104555540B (en) | 2017-04-12 |
| CN106882632A (en) | 2017-06-23 |
| CN104555540A (en) | 2015-04-29 |
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