CN101257544A - Paper outputting roller train of automatic paper feeder - Google Patents
Paper outputting roller train of automatic paper feeder Download PDFInfo
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- CN101257544A CN101257544A CNA2007100844791A CN200710084479A CN101257544A CN 101257544 A CN101257544 A CN 101257544A CN A2007100844791 A CNA2007100844791 A CN A2007100844791A CN 200710084479 A CN200710084479 A CN 200710084479A CN 101257544 A CN101257544 A CN 101257544A
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- paper
- paper delivery
- idle pulley
- feeder
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Abstract
The invention puts forward a paper out roller train in an automatic paper feeder, capable of automatically adjusting clipping force along the paper feed-in and feed-through out and avoiding the occurrence of paper jamming in paper out roller train. The paper out roller train principally includes a rocking bracket, a paper out dead pulley, a friction device and a paper out driving wheel, wherein, the rocking bracket connects the paper out dead pulley which is adaptable to change clipping force suitably; the friction device is arranged between the rocking bracket and the paper out dead pulley to increase friction force there between; and the paper out driving wheel is used to control paper feed-in and feed-through out. The invention overcomes the occurrence of paper jamming in paper out roller train in public known techniques.
Description
Technical field
The present invention relates to a kind of paper delivery roller set, relate in particular to the paper delivery roller set in a kind of automatic paper feeder.
Background technology
In modern's daily life and office's document affairs, the use of automatic paper feeder is extremely general, automatic paper feeder often is used in scanning means such as facsimile machine, printer, scanner, and multifunctional paper feeding machine (Multi Function Peripheral, MFP) or the like.Yet when using known automatic paper feeder, the user is subjected to puzzlement, especially the paper spare paperboard of the paper spare paperboard outlet roller set position in automatic paper feeder through regular meeting.
Fig. 1 is a known automatic paper feeder schematic diagram.As shown in Figure 1, this automatic paper feeder 200 comprises a paper feed platform 202, a paper delivery platform 204, a paper-feed group 210, paper feed roller wheels 220, an interior roller group 230, a paper delivery roller set 240, first paper-feeding channel 250, and second paper-feeding channel 260.Wherein paper delivery roller set 240 comprises paper delivery driving wheel 241 and paper delivery idle pulley 242, and paper delivery driving wheel 241 all is fixed in automatic paper feeder 200 inside with paper delivery idle pulley 242, has the folder power of a fixed value between the two-wheeled.
Fig. 2 A is the paper feed schematic diagram of known automatic paper feeder.Shown in Fig. 2 A, when the user only must be scanned first of paper spare 206, then paper spare 206 at first is placed on the paper feed platform 202, then via first paper-feeding channel 250 (as shown in Figure 1) in regular turn by paper-feed group 210, paper feed roller wheels 220, interior roller group 230, paper delivery roller set 240.The paper delivery driving wheel 241 of this moment is for rotating counterclockwise, so paper spare 206 is finished to understand be sent after first the scanning and placed on the paper delivery platform 204.
Fig. 2 B is another paper feed schematic diagram of known automatic paper feeder.Desire to scan in regular turn as the user first of paper spare 206 with second, then paper spare 206 is after finishing first above-mentioned scanning imaging system, paper delivery driving wheel 241 can temporarily be reversed to and clockwise rotate, make paper spare 206 be fed through in second paper-feeding channel 260 (as shown in Figure 1), again in regular turn by paper feed roller wheels 220, interior roller group 230, paper delivery roller set 240 is to finish second scanning, paper delivery driving wheel 241 recovers to rotate counterclockwise then, makes that paper spare 206 is sent to place on the paper delivery platform 204.
Known paper carrier 200 causes the reason of paperboard easily, be because paper delivery driving wheel 241 all is fixed in automatic paper feeder 200 inside with paper delivery idle pulley 242, and the folder power between two-wheeled that must make of the tightness degree between the two-wheeled is enough to drive the feed-in of paper spare and feed out.Therefore in known automatic paper feeder 200, so paper spare often can't enter the result that paperboard takes place between paper delivery driving wheel 241 and the paper delivery idle pulley 242 because folder power is too big.If but the user reduces the tightness degree between the two-wheeled for fear of the jam condition of paper delivery roller set 240, but tend to cause the not enough and feed-in that can't effectively drive paper spare of folder power and feed out.Can understand by above explanation, why paper delivery roller set 240 causes paperboard easily in the known technology, and the reason that can't adjust the folder power between two-wheeled why arbitrarily.
In view of this, propose a kind of paper delivery roller set that can be applicable to automatic paper feeder, recurrent paperboard situation has its necessity and importance in the known technology to overcome.
Summary of the invention
Main purpose of the present invention is to propose a kind of paper delivery roller set of automatic paper feeder, can along with the feed-in of paper spare with feed out automatic adjustment folder power, to overcome recurrent paper delivery roller set paperboard situation in the known technology.
For achieving the above object, the invention provides a kind of paper delivery roller set of automatic paper feeder, wherein paper delivery roller set comprises a swing arm, a paper delivery idle pulley, a rubbing device, and a paper delivery driving wheel.First end of swing arm is connected in automatic paper feeder, makes swing arm to swing according to first end; The paper delivery idle pulley is connected in second end of swing arm; Rubbing device is arranged between swing arm and the paper delivery idle pulley, in order to increase the frictional force between swing arm and the paper delivery idle pulley; The paper delivery driving wheel is connected in automatic paper feeder.Wherein the paper delivery idle pulley has a convergence state and away from state, and when the paper delivery idle pulley was in the convergence state, then the paper delivery idle pulley was because the mobile trend with convergence paper delivery driving wheel of paper spare makes that the folder power between paper delivery idle pulley and the paper delivery driving wheel increases.When the paper delivery idle pulley was in away from state, then the paper delivery idle pulley was because the mobile trend that has away from the paper delivery driving wheel of paper spare makes that the folder power between paper delivery idle pulley and the paper delivery driving wheel reduces.
Description of drawings
Fig. 1 is known automatic paper feeder schematic diagram.
Fig. 2 A is the paper feed schematic diagram of known automatic paper feeder.
Fig. 2 B is the paper feed schematic diagram of known automatic paper feeder.
Fig. 3 is for using the automatic paper feeder schematic diagram of paper delivery roller set of the present invention.
Fig. 4 A is the paper feed schematic diagram of Fig. 3 automatic paper feeder.
Fig. 4 B is the paper feed schematic diagram of Fig. 3 automatic paper feeder.
Fig. 5 is the automatic paper feeder of another embodiment of the present invention.
Fig. 6 is one of paper delivery roller set of the present invention preferred embodiment exploded perspective view.
Wherein, description of reference numerals is as follows:
Automatic paper feeder 200,300,500 paper feed platforms 202,302
Paper delivery platform 204,304 paper spares 206,306
Paper-feed group 210,310 paper feed roller wheels 220,320
Interior roller group 230,330 paper delivery roller set 240,340,540
Paper delivery driving wheel 241,348,548,648 paper delivery idle pulleys 242,345,545,645
Second paper-feeding channel, 260,36 swing arms 342,542,642
First end, 343,543,643 second ends 344,544,644
Outside direction 30 internal direction 380
Embodiment
Fig. 3 is for using the automatic paper feeder schematic diagram of paper delivery roller set of the present invention.As shown in Figure 3, this automatic paper feeder 300 comprises a paper feed platform 302, a paper delivery platform 304, a paper-feed group 310, paper feed roller wheels 320, an interior roller group 330, a paper delivery roller set 340 according to the invention, first paper-feeding channel 350, and second paper-feeding channel 360.Wherein paper delivery roller set 340 comprises a swing arm 342, a paper delivery idle pulley 345, one rubbing device (not shown)s and a paper delivery driving wheel 348.Swing arm 342 has first end 343 that is connected in this automatic paper feeder 300, and second end 344 that is connected in this paper delivery idle pulley 345.Following content, with state earlier retouch paper delivery roller set provided by the present invention 340 how in response to the feed-in of paper spare with feed out, change the folder power between paper delivery idle pulley 345 and the paper delivery driving wheel 348 automatically.The set-up mode of paper delivery roller set 340 of the present invention, will in after content further specify again.
Fig. 4 A is the paper feed schematic diagram of Fig. 3 automatic paper feeder.As shown in Figure 4, when first of user's desire scanning paper spare, then paper spare 306 at first is placed on the paper feed platform 302, then via first paper-feeding channel 350 (as shown in Figure 3) in regular turn by paper-feed group 310, paper feed roller wheels 320, interior roller group 330, paper delivery roller set 340.The paper delivery driving wheel 348 of this moment is for rotating counterclockwise, so paper spare 306 feeds out towards the outside direction 370 of automatic paper feeder 300.In the present embodiment, because paper delivery driving wheel 348 is the inside of being fixed in this automatic paper feeder 300, so paper delivery driving wheel 348 only can rotate along with feeding out of paper spare 306.But 345 of paper delivery idle pulleys can be along with the feeding out of paper spare 306, and have towards the trend of outside direction 370 away from paper delivery driving wheel 348, this be paper delivery idle pulley 345 among the present invention away from state.When paper delivery idle pulley 345 is in away from state, owing to be subjected to pining down of swing arm 342, so paper delivery idle pulley 345 can obtain a component that makes progress.By this component that makes progress, the folder power between paper delivery idle pulley 345 and the paper delivery driving wheel 348 reduces, so the situation of paperboard can not take place paper spare 306.
Fig. 4 B is the paper feed schematic diagram of Fig. 3 automatic paper feeder.Shown in Fig. 4 B, when desiring to carry out second scanning for paper spare 306, then Ci Shi paper delivery driving wheel 348 is for clockwise rotating, so paper spare 306 is towards internal direction 380 feed-ins of automatic paper feeder 300.The feed-in that paper delivery this moment idle pulley 345 is understood along with paper spare 306, and have towards the trend of inner direction 380 convergence paper delivery driving wheels 348, this is the convergence state of paper delivery idle pulley 345 among the present invention.When paper delivery idle pulley 345 is in the convergence state, owing to be subjected to pining down of swing arm 342, so paper delivery idle pulley 345 can obtain a downward component.By this downward component, the folder power between paper delivery idle pulley 345 and the paper delivery driving wheel 348 increases, so paper spare 306 can be fed in the automatic paper feeder 300 smoothly.
In Fig. 4 A and Fig. 4 B, first end 343 of swing arm 342 and the link position of automatic paper feeder 300 are positioned at the top of relative paper delivery driving wheel 348 and near the inboard of automatic paper feeder 300.According to this design, when paper delivery idle pulley 345 feeds out automatic paper feeder 300 in paper spare 306, can obtain upwards component and be in away from state, make folder power reduce to avoid paperboard.When paper delivery idle pulley 345 during in paper spare 306 feed-in automatic paper feeders 300, can obtain downward component and be in the convergence state, make folder power increase with smooth feed-in paper spare 306.
Fig. 5 is the automatic paper feeder of another embodiment of the present invention.In Fig. 5 first end 543 of swing arm 542 and the link position of this automatic paper feeder 500 be positioned at relative paper delivery driving wheel 548 below and near the outside of automatic paper feeder 500.Same, when paper delivery idle pulley 545 when paper spare (not shown) feeds out automatic paper feeder 500, can obtain upwards component and be in away from state, make folder power reduce to avoid paperboard.When paper delivery idle pulley 545 during in paper spare (not shown) feed-in automatic paper feeder 500, can obtain downward component and be in the convergence state, make folder power increase with smooth feed-in paper spare (not shown).
Fig. 6 is the present invention's paper delivery roller set one preferred embodiment exploded perspective view.As shown in Figure 6, wherein comprised the pivotal block 600, swing arm 642, rubbing device 646, paper delivery idle pulley 645, the axostylus axostyle 604 that are formed at automatic paper feeder inside, and paper delivery driving wheel 648.First end 643 of swing arm 642 is a pivot, and this pivot is articulated in this pivotal block 600 makes swing arm 642 to swing according to first end 643.Rubbing device 646 in the present embodiment is a helical spring, this helical spring and paper delivery idle pulley 645 all are sheathed on this axostylus axostyle 604, the two ends of axostylus axostyle 604 are arranged at second end 644 of this swing arm 642 respectively, and this helical spring first side contacts second end 644 in swing arm 642, and this helical spring second side contacts the wherein side in paper delivery idle pulley 645.Thus, increased frictional force between paper delivery idle pulley 645 and the swing arm 642 because of rubbing device 646.By above explanation, and preamble to the description among Fig. 4 A and Fig. 4 B as can be known, frictional force between paper delivery idle pulley 645 and the swing arm 642 increases, make paper delivery idle pulley 645 in paper spare 606 feeds out process with feed-in, be subjected to pining down of swing arm 642 and obtain a component or the effect of component is also more obvious upwards downwards, so the folder power between paper delivery idle pulley 645 and the paper delivery driving wheel 648 can in time reduce or increase.
Only for meeting an embodiment of spirit of the present invention, the modification that those skilled in the art carry out according to spirit of the present invention will be contained among the present invention with variation Fig. 6.For example in another embodiment, automatic paper feeder inside can form two axostylus axostyle mounting grooves, first end of swing arm is formed with a centre bore, this centre bore is sheathed on a location axostylus axostyle, and the two ends of location axostylus axostyle are arranged at respectively in two axostylus axostyle mounting grooves, so swing arm can be swung according to first end equally.
In addition, rubbing device also can adopt shell fragment, rubber, and assembly such as bubble silk floss etc. substitutes.For example: rubbing device is implemented so that a cylindric bubble is continuous, and this cylindric bubble silk floss is sheathed on axostylus axostyle, and first side of cylindric bubble silk floss contacts second end in swing arm, and second side of cylindric bubble silk floss contacts the wherein side in the paper delivery idle pulley.Perhaps, rubbing device adopts a shell fragment, and this shell fragment has a body and an arm body, and wherein body is connected in first end of swing arm, and arm body clip is lived the paper delivery idle pulley.Or rubbing device adopts a sheet rubber, and this sheet rubber is coated on the surface of axostylus axostyle, makes this sheet rubber be arranged between axostylus axostyle and the paper delivery idle pulley to increase frictional force.
Above-described only is preferable possible embodiments of the present invention; described embodiment is not in order to limit scope of patent protection of the present invention; therefore the equivalent structure done of every utilization specification of the present invention and accompanying drawing content changes, and in like manner all should be included in protection scope of the present invention.
Claims (7)
1. the paper delivery roller set of an automatic paper feeder, this paper delivery roller set can be applicable to this automatic paper feeder and presents in the process of a paper spare, it is characterized in that, and this paper delivery roller set comprises:
One swing arm, first end of this swing arm is connected in this automatic paper feeder, makes this swing arm to swing according to this first end;
One paper delivery idle pulley, this paper delivery idle pulley is connected in second end of this swing arm;
One rubbing device is arranged between this swing arm and this paper delivery idle pulley, in order to increase the frictional force between this swing arm and this paper delivery idle pulley; And
One paper delivery driving wheel, this paper delivery driving wheel is connected in this automatic paper feeder;
Wherein this paper delivery idle pulley has a convergence state and away from state, when this paper delivery idle pulley is in this convergence state, then this paper delivery idle pulley is because the mobile trend with this paper delivery driving wheel of convergence of this paper spare, the folder power between this paper delivery idle pulley and this paper delivery driving wheel that makes increases, when this paper delivery idle pulley is in this away from state, then this paper delivery idle pulley is because the mobile trend that has away from this paper delivery driving wheel of this paper spare makes that the folder power between this paper delivery idle pulley and this paper delivery driving wheel reduces.
2. the paper delivery roller set of automatic paper feeder as claimed in claim 1 is characterized in that, this paper delivery roller set also comprises an axostylus axostyle, and the two ends of this axostylus axostyle are connected to this second end of this swing arm, and this paper delivery idle pulley is sheathed on this axostylus axostyle.
3. the paper delivery roller set of automatic paper feeder as claimed in claim 2 is characterized in that, this rubbing device is one of them of a shell fragment, a spring, a rubber and a bubble silk floss.
4. the paper delivery roller set of automatic paper feeder as claimed in claim 3, it is characterized in that, this spring is a helical spring, this helical spring is sheathed on this axostylus axostyle, first side of this helical spring contacts this second end in this swing arm, and second side of this helical spring contacts the wherein side in this paper delivery idle pulley.
5. the paper delivery roller set of automatic paper feeder as claimed in claim 1 is characterized in that, the link position of this of this swing arm first end and this automatic paper feeder is positioned at the top of relative this paper delivery driving wheel and near the inboard of this automatic paper feeder.
6. the paper delivery roller set of automatic paper feeder as claimed in claim 1 is characterized in that, the link position of this of this swing arm first end and this automatic paper feeder is positioned at the below of relative this paper delivery driving wheel and near the outside of this automatic paper feeder.
7. the paper delivery roller set of automatic paper feeder as claimed in claim 1 is characterized in that, this automatic paper feeder has a pivotal block, and this of this swing arm first end has a pivot, and this pivot is articulated in this pivotal block.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN200710084479A CN100581209C (en) | 2007-03-02 | 2007-03-02 | Paper outputting roller train of automatic paper feeder |
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CN200710084479A CN100581209C (en) | 2007-03-02 | 2007-03-02 | Paper outputting roller train of automatic paper feeder |
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CN101257544A true CN101257544A (en) | 2008-09-03 |
CN100581209C CN100581209C (en) | 2010-01-13 |
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CN200710084479A Expired - Fee Related CN100581209C (en) | 2007-03-02 | 2007-03-02 | Paper outputting roller train of automatic paper feeder |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102190197A (en) * | 2010-03-15 | 2011-09-21 | 株式会社东芝 | Recording medium sorting apparatus, erasing apparatus, and recording medium sorting method |
CN102530594A (en) * | 2010-12-27 | 2012-07-04 | 致伸科技股份有限公司 | Automatic paper feeding device |
CN103569807A (en) * | 2012-07-27 | 2014-02-12 | 致伸科技股份有限公司 | Double-surface paper feeding device |
CN104097965A (en) * | 2013-04-11 | 2014-10-15 | 致伸科技股份有限公司 | Deflection roller device applied to paper conveyance and method for changing conveyance path of paper |
-
2007
- 2007-03-02 CN CN200710084479A patent/CN100581209C/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102190197A (en) * | 2010-03-15 | 2011-09-21 | 株式会社东芝 | Recording medium sorting apparatus, erasing apparatus, and recording medium sorting method |
CN102530594A (en) * | 2010-12-27 | 2012-07-04 | 致伸科技股份有限公司 | Automatic paper feeding device |
CN103569807A (en) * | 2012-07-27 | 2014-02-12 | 致伸科技股份有限公司 | Double-surface paper feeding device |
CN104097965A (en) * | 2013-04-11 | 2014-10-15 | 致伸科技股份有限公司 | Deflection roller device applied to paper conveyance and method for changing conveyance path of paper |
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CN100581209C (en) | 2010-01-13 |
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Granted publication date: 20100113 Termination date: 20160302 |