CN102070030B - Paper-fetching device of automatic paper-feeding device - Google Patents
Paper-fetching device of automatic paper-feeding device Download PDFInfo
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- CN102070030B CN102070030B CN200910225927.4A CN200910225927A CN102070030B CN 102070030 B CN102070030 B CN 102070030B CN 200910225927 A CN200910225927 A CN 200910225927A CN 102070030 B CN102070030 B CN 102070030B
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- paper
- arm
- feeding channel
- assembly
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Abstract
The invention relates to a paper-fetching device of an automatic paper-feeding device, which is used for feeding paper in a paper-feeding channel. The paper-fetching device comprises a paper-fetching module and an abutting assembly, wherein the paper-fetching module comprises a driving shaft and a paper-fetching arm articulated with the driving shaft; the driving shaft is used for driving the paper-fetching arm to rotate to a preparation position or a paper-fetching position, the abutting assembly is connected to the paper-fetching arm in a rotatable mode; and when one end of the abutting assembly is rotated to abut on the paper-feeding channel, the paper-fetching arm stays in the preparation position. The paper-fetching device of the automatic paper-feeding device, which is provided by the invention, can prevent the error of paper-feeding incapability or multiple paper feeding caused by a sleep mode or an electricity-saving mode of the automatic paper-feeding device.
Description
Technical field
The present invention relates to a kind of paper extraction unit of automatic paper feeder, relate in particular to a kind of paper extraction unit of being on the waiting list in advance paper position that stays under powering-off state.
Background technology
Along with the progress of scientific and technological industry, various office machine, as chopping machine, scanner or facsimile apparatus etc., becomes the indispensable equipment of office.
Wherein, there is the file scanner of file scan function or the multifunctional paper feeding machine indispensable equipment of office's file electronization especially.Most file scanner all disposes automatic paper feeder, to a folded file is automatically scanned in feed-in scanner unit one by one.US Patent card US6,792,241 " for the image fetch devices of paper carrier, device of image scanning and video generation device " disclose a kind of conventional automatic paper feeder, this automatic paper feeder is used one to get paper arm and a stop, in order to stacked the superiors' paper is sent into feed path.Refer to Figure 1A, it is US6, the structural representation of 792,241 automatic paper feeder 1.Fig. 1 has shown that one of automatic paper feeder 1 gets paper arm 10, stop 20 and paper-feeding channel C.Wherein get paper arm 10 and comprise and press sheet 10a and pickup roller 3, and stop 20 comprises and presses the 20a of portion and gear paper 20b.
Automatic paper feeder 1 by getting paper arm 10 by the paper-feeding channel C of file S feed-in automatic paper feeder 1.When getting paper arm 10, do not get paper when action, its away from paper-feeding channel in a ready position, as shown in Figure 1A.When getting paper arm 10, to get paper when action and can drop to one on paper-feeding channel C and get paper position, as shown in Figure 1B.
As shown in Figure 1A, when getting paper arm 10 and rise to ready position, be arranged at stop 20 on paper-feeding channel C because the relation of gravity makes to keep off paper 20b perpendicular to paper-feeding channel C, stopped that stacked paper S slips in paper-feeding channel C.
Refer to Figure 1B, when getting paper arm 10, drop to while getting paper position, being assemblied in the pickup roller 3 of getting on paper arm 10 front ends contacts with paper S, get the 20a of the portion that presses that sheet 10a presses stop 20 that presses on paper arm 10, make to keep off paper 20b and drop to paper-feeding channel C below, and no longer have the function of blocking paper, so the superiors' paper is entered in automatic paper feeder 1.
Recently environmental protection agitation is prevailing, and many electric equipment products start to arrange sleep pattern to reach the object of carbon reduction, wherein has the also follow-up one after another of office equipment of automatic paper feeder.In sleep pattern, automatic paper feeder can not powered to paper taking module, cause and get paper arm 10 and cannot stay in ready position in default of the supply of electric power, that is to say that getting paper arm 10 can drop to and get paper position, makes stop 20 cannot bring into play the function of gear paper.Now, if user neglects automatic paper feeder, be in sleep pattern, and firmly by paper feed-in automatic paper feeder, multiple paper of user's feed-in will be inserted in paper-feeding channel C undeservedly.After power supply restarts, automatic paper feeder restores electricity, the pickup roller 3 of getting on paper arm 10 front ends contacts with multiple paper that inserted undeservedly in paper-feeding channel C, make to cause overlapping paper feed in multiple paper feed-in simultaneously paper-feeding channel C, or because number of paper is too many, blocking that paper-feeding channel C causes cannot paper feed.
Summary of the invention
Main purpose of the present invention is to provide a kind of paper extraction unit of automatic paper feeder, so as to prevent because of the sleep pattern of automatic paper feeder or battery saving mode cause cannot paper feed or the mistake of multiple paper feed.
In a preferred embodiment, this automatic paper feeder has a paper-feeding channel, and this paper extraction unit is used in this paper-feeding channel of paper feed-in, and this paper extraction unit comprises:
One paper blocking mechanism, in order to stop paper;
One paper taking module, comprise an axle drive shaft and be articulated in one of this axle drive shaft and get paper arm, wherein this axle drive shaft is used for driving this to get paper arm rotation getting paper position to one, when this gets paper arm rotation while getting paper position to this, this is got paper arm and drives this paper blocking mechanism to rotate to leave this paper-feeding channel, and this paper taking module is by this paper-feeding channel of paper feed-in; And
One supports assembly, in rotating mode, be connected to this and get paper arm, when this automatic paper feeder enters a sleep pattern, this is got paper arm gravitate and declines, this end of supporting assembly is rotated and is resisted against this paper-feeding channel, makes this support assembly and supports this and get paper arm and this and get paper arm and stay in a ready position.
In a preferred embodiment, this is got paper arm and also comprises that an axis hole and has the recess of a dip plane, and this is supported assembly and also comprises a rotating shaft and a swing arm, and this rotating shaft is articulated in this axis hole, and makes this this swing arm of supporting assembly get the rotation of paper arm with respect to this.
In a preferred embodiment, this paper blocking mechanism is arranged on this paper-feeding channel.
In a preferred embodiment, this paper-feeding channel surface has a groove to supporting the place of supporting of assembly, and this described end of supporting assembly has a protuberance, and when this is supported assembly and is resisted against on this paper-feeding channel, this protuberance engages with this groove.
In a preferred embodiment, this is supported assembly and also comprises that one is arranged at this described end of supporting assembly for supporting the slipmat of this paper-feeding channel.
Accompanying drawing explanation
Figure 1A～Figure 1B: be the structural representation of known automatic paper feeder.
Fig. 2: be the paper extraction unit structural representation of a preferred embodiment of the present invention.
Fig. 3 A: for supporting assembly and the schematic diagram of getting paper arm and being combined in Fig. 2.
Fig. 3 B: for getting paper arm and the schematic diagram of supporting the junction of assembly.
Fig. 4 A～Fig. 4 D: be the action schematic diagram of the paper extraction unit of a preferred embodiment of the present invention.
Primary clustering description of symbols
D paper 4 automatic paper feeders
40 paper extraction unit 401 paper taking modules
402 paper-feeding channel 403 paper blocking mechanisms
404 support assembly 4011 axle drive shafts
4012 get paper arm 4013 pickup rollers
4021 groove 4041 rotating shafts
4042 swing arm 4043 ends
4044 protuberance 40121 axis holes
40122 recess 401221 dip plane
The specific embodiment
The present invention proposes a kind of paper extraction unit of automatic paper feeder, by supporting assembly and support and get paper arm, the puzzlement being brought to solve prior art getting on paper arm to arrange.Refer to Fig. 2, the structural representation of a preferred embodiment of its paper extraction unit that is automatic paper feeder of the present invention.As shown in Figure 2, the paper extraction unit 40 in automatic paper feeder 4 of the present invention comprises paper taking module 401, paper-feeding channel 402, paper blocking mechanism 403 and supports assembly 404.Paper taking module 401 comprises axle drive shaft 4011, gets paper arm 4012 and pickup roller 4013.Wherein support assembly 404 and be arranged on the side of getting paper arm 4012 in rotating mode, and when paper taking module 401 stays in ready position, support one end 4043 of assembly 404 and support to paper-feeding channel 402.
Refer to Fig. 3 A and Fig. 3 B.Fig. 3 A is that Fig. 2 supports assembly 404 and gets the schematic diagram of paper arm 4012 combinations, and Fig. 3 B gets paper arm 4012 and the schematic diagram of supporting the junction of assembly 404.Refer to Fig. 3 A, support assembly 404 and comprise a rotating shaft 4041 and a swing arm 4042.Refer to Fig. 3 B, get paper arm 4012 and also comprise an axis hole 40121 and a recess 40122, its center dant 40122 has a dip plane 401221.Support the rotating shaft 4041 of assembly 404 through getting the axis hole 40121 on paper arm 4012, the swing arm 4042 of supporting assembly 404 can be rotated with respect to getting paper arm 4012.
Next refer to Fig. 4 A to Fig. 4 D, it is the action schematic diagram of getting paper structure of the paper extraction unit shown in Fig. 2.As shown in Figure 4 A, when automatic paper feeder 4 enters sleep pattern and during in unregulated power state, the paper arm 4012 of getting of paper taking module 401 declines because of gravity, the end 4043 that is linked to the swing arm of supporting assembly 404 4042 of getting paper arm 4012 is resisted against paper-feeding channel 402 surfaces, and make to get paper arm 4012, stays in ready position.In this preferred embodiment, on paper-feeding channel 402, there is a groove 4021, and the end 4043 of supporting the swing arm 4042 of assembly 404 has a protuberance 4044.When supporting the end 4043 of the swing arm 4042 of assembly 404 and be resisted against paper-feeding channel 402 surface, protuberance 4044 engages with the groove 4021 on paper-feeding channel 402 surfaces, to strengthen, support the degree of stability that assembly 404 is resisted against paper-feeding channel 402 surfaces, therefore support assembly 404 and be not easy that angle is not good or External Force Acting arbitrarily slides because supporting, and then lose and support function.
In addition, in a preferred embodiment, for strengthening, support the degree of stability that assembly 404 is resisted against paper-feeding channel 402 surfaces, make to support assembly 404 and be not easy that angle is not good or External Force Acting arbitrarily slides because supporting, and then lose and support function, the end 4043 of supporting assembly 404 can be coated by anti-skidding material, or directly anti-skidding material one, consists of, and to increase, supports the end 4043 of assembly 404 and the friction force between paper-feeding channel 402 surfaces.This anti-skidding material can be used, and for example, the materials such as Natural rubber, neoprene PU or styrene butadiene ribber SBR are made.
When automatic paper feeder 4 is closed sleep pattern and is recovered supply regular power, as shown in Figure 4 B, the axle drive shaft 4011 of paper taking module 401 is rotated to drive to be got 4012 rotations of paper arm and is upwards raised to higher than ready position part, make the assembly 404 of supporting of supporting to paper-feeding channel 402 no longer support paper-feeding channel 402, present the state that freely swings, and paper blocking mechanism 403 is still kept upright state to bring into play the effectiveness of shelves paper.When paper is fed into automatic paper feeder 4 when interior, as shown in Figure 4 C, the paper D in feed-in paper-feeding channel 402 promotes to support assembly 404 and makes to support assembly 404 to rotate, and its end 4043 is no longer resisted against on paper-feeding channel 402.When paper feed action is carried out, as shown in Figure 4 D, the axle drive shaft 4011 of paper taking module 401 is rotated to drive to be got paper arm 4012 and is swung down to and gets paper position.When getting when paper arm 4012 declines, will drive paper blocking mechanism 403 rotations, and make paper blocking mechanism 403 leave paper-feeding channel 402 and do not possess the paper of gear function, pickup roller 4013 can be sent to paper D in paper-feeding channel 402.When paper D enters automatic paper feeder 4, owing to supporting assembly 404, present the state freely swinging, therefore can not cause obstruction to advancing of paper D.
Known according to the above description, the paper extraction unit of automatic paper feeder of the present invention, by assembling, supporting assembly supports paper-feeding channel and supports the weight of getting paper arm, to avoid neglecting automatic paper feeder because of user, be in sleep pattern, and firmly by paper feed-in automatic paper feeder, multiple paper of user's feed-in will be inserted in paper-feeding channel C undeservedly.After power supply restarts, automatic paper feeder restores electricity, the pickup roller 3 of getting on paper arm 10 front ends contacts with multiple paper that inserted undeservedly in paper-feeding channel C, make to cause overlapping paper feed in multiple paper feed-in simultaneously paper-feeding channel C, or because number of paper is too many, blocking that paper-feeding channel C causes cannot paper feed.
The foregoing is only preferred embodiment of the present invention; be not intended to limit the scope of patent protection that the present invention applies for; therefore all other do not depart from the equivalence completing under spirit disclosed in this invention and change or modify, and all should be contained in the scope of patent protection that this case applies for.
Claims (5)
1. a paper extraction unit for automatic paper feeder, this automatic paper feeder has a paper-feeding channel, and this paper extraction unit is for by this paper-feeding channel of paper feed-in, this paper extraction unit comprises:
One paper blocking mechanism, in order to stop paper;
One paper taking module, comprise an axle drive shaft and be articulated in one of this axle drive shaft and get paper arm, wherein this axle drive shaft is used for driving this to get paper arm rotation getting paper position to one, when this gets paper arm rotation while getting paper position to this, this is got paper arm and drives this paper blocking mechanism to rotate to leave this paper-feeding channel, and this paper taking module is by this paper-feeding channel of paper feed-in; And
One supports assembly, in rotating mode, be connected to this and get paper arm, when this automatic paper feeder enters a sleep pattern, this is got paper arm gravitate and declines, this end of supporting assembly is rotated and is resisted against this paper-feeding channel, makes this support assembly and supports this and get paper arm and this and get paper arm and stay in a ready position.
2. the paper extraction unit of automatic paper feeder as claimed in claim 1, wherein this is got paper arm and also comprises that an axis hole and has the recess of a dip plane, and this is supported assembly and also comprises a rotating shaft and a swing arm, this rotating shaft is articulated in this axis hole, and makes this this swing arm of supporting assembly get the rotation of paper arm with respect to this.
3. the paper extraction unit of automatic paper feeder as claimed in claim 1, wherein this paper blocking mechanism is arranged on this paper-feeding channel.
4. the paper extraction unit of automatic paper feeder as claimed in claim 1, this paper-feeding channel surface has a groove to supporting the place of supporting of assembly, and this described end of supporting assembly has a protuberance, when this is supported assembly and is resisted against on this paper-feeding channel, this protuberance engages with this groove.
5. the paper extraction unit of automatic paper feeder as claimed in claim 1, wherein this is supported assembly and also comprises that one is arranged at the slipmat that this supports the described end of assembly, for supporting this paper-feeding channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910225927.4A CN102070030B (en) | 2009-11-23 | 2009-11-23 | Paper-fetching device of automatic paper-feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910225927.4A CN102070030B (en) | 2009-11-23 | 2009-11-23 | Paper-fetching device of automatic paper-feeding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102070030A CN102070030A (en) | 2011-05-25 |
| CN102070030B true CN102070030B (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910225927.4A Expired - Fee Related CN102070030B (en) | 2009-11-23 | 2009-11-23 | Paper-fetching device of automatic paper-feeding device |
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| CN (1) | CN102070030B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103213857A (en) * | 2012-01-19 | 2013-07-24 | 致伸科技股份有限公司 | Automatic paper feed device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6557848B2 (en) * | 2001-04-26 | 2003-05-06 | Silitek Corporation | Paper-stopping mechanism of automatic document feeder |
| CN1923648A (en) * | 2005-08-31 | 2007-03-07 | 兄弟工业株式会社 | Sheet supplying apparatus and image recording apparatus including the same |
| EP1800879A1 (en) * | 2005-12-26 | 2007-06-27 | Samsung Electronics Co., Ltd. | Image forming apparatus including shutter arm unit |
| CN101054135A (en) * | 2006-04-14 | 2007-10-17 | 东友科技股份有限公司 | Paper supplying mechanism and paper feeding device using the same |
| TW200806482A (en) * | 2006-07-17 | 2008-02-01 | Primax Electronics Ltd | Sheet feeding apparatus |
-
2009
- 2009-11-23 CN CN200910225927.4A patent/CN102070030B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6557848B2 (en) * | 2001-04-26 | 2003-05-06 | Silitek Corporation | Paper-stopping mechanism of automatic document feeder |
| CN1923648A (en) * | 2005-08-31 | 2007-03-07 | 兄弟工业株式会社 | Sheet supplying apparatus and image recording apparatus including the same |
| EP1800879A1 (en) * | 2005-12-26 | 2007-06-27 | Samsung Electronics Co., Ltd. | Image forming apparatus including shutter arm unit |
| CN101054135A (en) * | 2006-04-14 | 2007-10-17 | 东友科技股份有限公司 | Paper supplying mechanism and paper feeding device using the same |
| TW200806482A (en) * | 2006-07-17 | 2008-02-01 | Primax Electronics Ltd | Sheet feeding apparatus |
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| CN102070030A (en) | 2011-05-25 |
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