CN101888459B - Paper feed mechanism and image processing device using same - Google Patents
Paper feed mechanism and image processing device using same Download PDFInfo
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- CN101888459B CN101888459B CN2009100513410A CN200910051341A CN101888459B CN 101888459 B CN101888459 B CN 101888459B CN 2009100513410 A CN2009100513410 A CN 2009100513410A CN 200910051341 A CN200910051341 A CN 200910051341A CN 101888459 B CN101888459 B CN 101888459B
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Abstract
The invention provides a paper feed mechanism and an image processing device using the same. The paper feed mechanism comprises an upper shell, a lower shell which is arranged opposite to the upper shell, a paper feed case, a main paper feed roller, a paper separating assembly and a first assistant paper feed roller, wherein, a paper feed channel is formed between the upper shell and the lower shell; the paper feed case is connected with the lower shell and used for placing paper to be fed; the main paper feed roller is arranged on the lower shell and used for feeding paper from the paper feed case along the feeding direction; the paper separating assembly is arranged at the downstream of the longitudinal axis of the main paper feed roller and used for feeding single paper; and the first assistant paper feed roller is arranged on the lower shell and positioned at the lateral side of the main paper feed roller and used for assisting the main paper feed roller to feed paper along the feeding direction.
Description
Technical field
The present invention relates to a kind of in the below paper feed mechanism of paper feed, and the image processor that uses this paper feed mechanism, the for example paper feed mechanism of scanner, printer or multifunctional paper feeding machine.
Background technology
Generally speaking, now image processor has two kinds of top paper feed type and below paper feed types.Wherein the paper feed mechanism of below sheet-fed image processing unit only has a paper feed roller that driven by drive unit usually, is used for feeding paper with the paper feed direction; But it is more to work as number of paper, even needs only when surpassing 100, and this paper feed roller just possibly cause its paper feed power to be not enough to drive paper because of the weight of paper.
And the paper feed roller of known technology is because of big inadequately with the friction area of paper, or because of after roller uses a period of time, may produce abrasion, cause in the process of presenting, and the unstable phenomenon of skew about paper produces, and the quality of image of image processing is affected.
Summary of the invention
In view of this, the present invention provides a kind of paper feed mechanism with strong paper feed power.The present invention adds the auxiliary wheel of assisting the main feed paper roller with the transverse sides of main feed paper roller, to strengthen the paper feed power of paper feed mechanism, to address the above problem.
According to technical scheme of the present invention, a kind of paper feed mechanism is provided.This paper feed mechanism comprises: upper shell and the lower house that disposes relatively with upper shell, feeding box, main feed paper roller, separation assembly and the first auxiliary paper feed roller.Form paper-feeding channel between upper shell and the lower house.Feeding box is connected in lower house, in order to placement paper to be presented.The main feed paper roller is arranged at lower house, is used for feeding paper from feeding box along the paper feed direction.The separation assembly is positioned at the downstream position of main feed paper roller longitudinal axis, is used for making paper to be singlely fed.The first auxiliary paper feed roller is arranged at lower house, and is positioned at the transverse sides of main feed paper roller, feeds paper in order to auxiliary main feed paper roller along the paper feed direction.
The present invention also provides a kind of image processor, comprises paper feed mechanism and image processing module.Image processing module is arranged on the paper-feeding channel, in order to the paper from the paper feed mechanism feed-in is carried out image processing.Paper feed mechanism comprises: upper shell and the lower house that disposes relatively with upper shell, feeding box, main feed paper roller, separation assembly and the first auxiliary paper feed roller.Form paper-feeding channel between upper shell and lower house.Feeding box is connected in lower house, in order to placement paper to be presented.The main feed paper roller is arranged at lower house, is used for feeding paper from feeding box along the paper feed direction.The separation assembly is positioned at the downstream of main feed paper roller longitudinal axis, is used for making paper to be singlely fed.The first auxiliary paper feed roller is arranged at lower house, and is positioned at the transverse sides of main feed paper roller, feeds paper in order to auxiliary main feed paper roller along the paper feed direction.Therefore, above-mentioned image processor can be placed a large amount of paper, it is fed smoothly and is image processing, and because of the average contact-making surface of roller and paper is bigger, can reach avoid in paper feed process paper unstable and make about the purpose of skew.
For letting the foregoing of the present invention can be more obviously understandable, hereinafter is special lifts preferred embodiment, and conjunction with figs., elaborates as follows.
Description of drawings
Fig. 1 is the side schematic view of the paper feed mechanism of preferred embodiment of the present invention.
Fig. 2 is the lower house vertical view of paper feed mechanism preferred embodiment of the present invention.
Fig. 3 is the lower house vertical view of paper feed mechanism second embodiment of the present invention.
Fig. 4 is the lower house vertical view of paper feed mechanism the 3rd embodiment of the present invention.
Fig. 5 is the lower house vertical view of paper feed mechanism the 4th embodiment of the present invention.
Fig. 6 is the lower house vertical view according to another execution mode of paper feed mechanism the 4th embodiment of the present invention.
Fig. 7 is the side view of image processor first embodiment of the present invention.
Fig. 8 is the side view of image processor second embodiment of the present invention.
The primary clustering symbol description
10: image processor 100: paper feed mechanism
110: upper shell 120: lower house
130: paper-feeding channel 140: feeding box
150: 151: the first auxiliary paper feed rollers of main feed paper roller
152: the second auxiliary paper feed rollers 160: separation assembly
161: comber 162: the separation pad
170: paper output box 200: image processing module
P: paper D: paper feed direction
M: motor module R: direction of rotation
X, x1: axis of pitch y: longitudinal axis
Embodiment
Fig. 1 is the side schematic view of the paper feed mechanism of preferred embodiment of the present invention, and Fig. 2 is the lower house vertical view of the paper feed mechanism of preferred embodiment of the present invention.Please be simultaneously with reference to figure 1 and Fig. 2; Paper feed mechanism 100 be a kind of from the below paper feed type paper feed mechanism, comprise: upper shell 110 and with upper shell 110 lower houses 120, feeding box 140, main feed paper roller 150, separation assembly 160, the first auxiliary paper feed roller 151 and the second auxiliary paper feed roller 152 of configuration relatively.
120 of upper shell 110 and lower houses form paper-feeding channel 130, in order to paper P to be provided a feed path.Feeding box 140 is connected in lower house 120, in order to placement paper P to be presented.Main feed paper roller 150 is arranged at lower house 120, and driven by motor module M, rotates and produces the power of paper feed with direction of rotation R, and then drive the paper P that is positioned over feeding box 140 and move toward paper feed direction D.Separation assembly 160 is positioned at the downstream position of main feed paper roller, and is positioned on the same longitudinal axis y with main feed paper roller 150, with so that paper be singlely fed; Separation assembly 160 comprises comber 161 that is positioned at lower house 120 and the separation pad 162 that is positioned at upper shell 110; When paper P is fed to separation assembly 160; Because of comber 161 and separation pad 162 are the materials with high frictional force; For example material such as rubber is made, and make paper P produce frictional force when contacting and be fed separately with comber 161, and the situation of unlikely generation multi-paper feed.The first auxiliary paper feed roller 151 is arranged at lower house 120, and is positioned at the transverse sides on the main feed paper roller 150 same axis of pitch x, feeds paper P in order to auxiliary main feed paper roller 150 along paper feed direction D.The second auxiliary paper feed roller 152 is arranged at lower house 120, and is positioned at main feed paper roller 150 another transverse sides on axis of pitch x, feeds paper P in order to auxiliary main feed paper roller 150 along paper feed direction D.
In the present embodiment, assisting paper feed roller 152 because of the first auxiliary paper feed roller 151 and second also is active roller, so promptly can increase the paper feed power of paper feed mechanism, even can carry and present above 100 paper; In addition gene-amplification the contact area of roller with paper, the unstable phenomenon that squints about can avoiding paper P when being fed, to produce.
Fig. 3 is the lower house vertical view of paper feed mechanism second embodiment of the present invention.Wherein only set up the first auxiliary paper feed roller 151 in the side of main feed paper roller 150 on axis of pitch x of lower house 120, with the paper feed power of increase paper feed mechanism 100, and the contact area of increase simultaneously and paper P, also can reach the object of the invention.
Fig. 4 is the lower house vertical view of paper feed mechanism the 3rd embodiment of the present invention; Wherein main feed paper roller 150, the first auxiliary paper feed roller 151 and the second auxiliary paper feed roller 152 are connected; That is to say that above-mentioned 3 rollers constitute a microscler roller, such design equally can be reached problem to be solved by this invention.
Fig. 5 is the lower house vertical view of paper feed mechanism the 4th embodiment of the present invention; Wherein main feed paper roller 150 is to be disposed on the axis of pitch x; And the first auxiliary paper feed roller 151 and the second auxiliary paper feed roller 152 are to be disposed on the axis of pitch x1; Though main feed paper roller 150 is disposed at different axiss of pitch with the first auxiliary paper feed roller 151 and the second auxiliary paper feed roller 152, and equally can reach purpose of the presently claimed invention.In addition, like this advantage of configuration, be roller between can use different rotating speed to rotate or adopt individually to stop operating; And the situation that squints about paper is improved, when for example main feed paper roller 150 rotated in feeding paper P, it is slower that the first auxiliary paper feed roller 151 and the second auxiliary paper feed roller 152 can be set rotating speed; Or do not rotate earlier; When paper P through behind the main feed paper roller 150, begin to calculate motor step number or time, make paper P leading edge contact the first auxiliary paper feed roller 151 and the second auxiliary paper feed roller 152 and its folder of distinguishing corresponding passive roller (not illustrating) is pinched the place after; Pass through certain motor step number or time again; This moment first, the auxiliary paper feed roller 151 and the second auxiliary paper feed roller 152 just began to rotate, and through above-mentioned steps, paper left and right sides drift condition were improved.
Yet; The present invention is not limited to this; Please refer to Fig. 6; The first auxiliary paper feed roller 151 and the second auxiliary paper feed roller 152 also can be to be positioned at the transverse sides of main feed paper roller 150 in different axis, and are positioned at the upstream position of main feed paper roller 150, also can reach a large amount of paper feeds and avoid the paper shakiness and the purpose of skew.
The present invention also provides a kind of image processor, please be simultaneously with reference to figure 2 and Fig. 7, and Fig. 7 is the side view of image processor of the present invention, image processor 10 comprises paper feed mechanism 100 and image processing module 200; Wherein image processing module 200 is the downstream positions that are positioned at the separation assembly, and is arranged on the paper-feeding channel 130.When image processor 10 is carried out an image processing program; The main feed paper roller 150 and the first auxiliary paper feed roller 151 and the second auxiliary paper feed roller 152 the paper P in feeding box 140 are originally presented toward paper feed direction D; When paper P arrives separation assembly 160, make paper P separately through separation assembly 160 by separation assembly 160, when paper P process image processing module 200, paper P is done image processing then; At last, paper P is fed to paper output box 180.Wherein image processing module 200 is scan components in the present embodiment, for example Charged Coupled Device (CCD) or contact-type image inductor (CIS), its through to the scanning of paper P to carry out scanning operation; Image processing module 200 also can be printing equipment, and is as shown in Figure 8, for example is laser print apparatus, in order to carry out the print job to paper P.
The specific embodiment that in the detailed description of preferred embodiment, is proposed is only in order to convenient explanation technology contents of the present invention; But not with narrow sense of the present invention be limited to the foregoing description; In the situation that does not exceed spirit of the present invention and following claims; The many variations of being done is implemented, and all belongs to scope of the present invention.
Claims (5)
1. a paper feed mechanism in order to paper feeding, is characterized in that, comprises:
Upper shell reaches with said upper shell and is disposed at the lower house of said upper shell relatively, and forms paper-feeding channel between said upper shell and the said lower house;
Feeding box is connected in said lower house, in order to placement said paper to be presented;
The main feed paper roller is arranged at said lower house, is used for presenting said paper from said feeding box along the paper feed direction;
The separation assembly is positioned at said main feed paper roller and along the downstream position of said paper feed direction, and is positioned at same longitudinal axis with said main feed paper roller, with so that said paper be singlely fed; And
The first auxiliary paper feed roller; Be arranged at said lower house; And be positioned at the transverse sides of said main feed paper roller, and be disposed at different axiss of pitch with said main feed paper roller, present the said paper that is positioned on the said feeding box along said paper feed direction in order to auxiliary said main feed paper roller.
2. paper feed mechanism as claimed in claim 1; It is characterized in that, also comprise the second auxiliary paper feed roller, be arranged at said lower house; And be positioned at another transverse sides of said main feed paper roller, present said paper in order to auxiliary said main feed paper roller along said paper feed direction.
3. paper feed mechanism as claimed in claim 2 is characterized in that, the said second auxiliary paper feed roller and said main feed paper roller are to be disposed at same axis of pitch.
4. paper feed mechanism as claimed in claim 2 is characterized in that, said second auxiliary wheel is to be disposed at different axiss of pitch with said main feed paper roller.
5. an image processor is characterized in that,
Said image processor comprises like each described paper feed mechanism among the claim 1-4;
Image processing module is arranged on the said paper-feeding channel, is used for the said paper from said paper feed mechanism feed-in is carried out image processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100513410A CN101888459B (en) | 2009-05-15 | 2009-05-15 | Paper feed mechanism and image processing device using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100513410A CN101888459B (en) | 2009-05-15 | 2009-05-15 | Paper feed mechanism and image processing device using same |
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| Publication Number | Publication Date |
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| CN101888459A CN101888459A (en) | 2010-11-17 |
| CN101888459B true CN101888459B (en) | 2012-04-25 |
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| CN2009100513410A Active CN101888459B (en) | 2009-05-15 | 2009-05-15 | Paper feed mechanism and image processing device using same |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5155603A (en) * | 1990-02-28 | 1992-10-13 | Goldstar Co., Ltd. | Apparatus for transferring documents in a facsimile |
| CN1315254A (en) * | 2000-03-23 | 2001-10-03 | 明碁电脑股份有限公司 | Paper feeding system with paper classifying and stopping mechanisms |
| JP2003146475A (en) * | 2001-11-12 | 2003-05-21 | Canon Electronics Inc | Sheet feeder and sheet handling device with the same |
| CN2623457Y (en) * | 2003-04-11 | 2004-07-07 | 力捷电脑股份有限公司 | Paper feeding device |
| US7193752B2 (en) * | 2003-11-21 | 2007-03-20 | Benq Corporation | Automatic feeding apparatus |
| CN101043573A (en) * | 2006-03-24 | 2007-09-26 | 虹光精密工业（苏州）有限公司 | Automatic paper conveying apparatus having file control rolling wheel |
| JP2007336420A (en) * | 2006-06-19 | 2007-12-27 | Seiko Epson Corp | Image processor |
-
2009
- 2009-05-15 CN CN2009100513410A patent/CN101888459B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5155603A (en) * | 1990-02-28 | 1992-10-13 | Goldstar Co., Ltd. | Apparatus for transferring documents in a facsimile |
| CN1315254A (en) * | 2000-03-23 | 2001-10-03 | 明碁电脑股份有限公司 | Paper feeding system with paper classifying and stopping mechanisms |
| JP2003146475A (en) * | 2001-11-12 | 2003-05-21 | Canon Electronics Inc | Sheet feeder and sheet handling device with the same |
| CN2623457Y (en) * | 2003-04-11 | 2004-07-07 | 力捷电脑股份有限公司 | Paper feeding device |
| US7193752B2 (en) * | 2003-11-21 | 2007-03-20 | Benq Corporation | Automatic feeding apparatus |
| CN101043573A (en) * | 2006-03-24 | 2007-09-26 | 虹光精密工业（苏州）有限公司 | Automatic paper conveying apparatus having file control rolling wheel |
| JP2007336420A (en) * | 2006-06-19 | 2007-12-27 | Seiko Epson Corp | Image processor |
Non-Patent Citations (1)
| Title |
|---|
| JP昭57-27270A 1982.02.13 |
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| CN101888459A (en) | 2010-11-17 |
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