CN204917314U - Paper feeding device - Google Patents
Paper feeding device Download PDFInfo
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- CN204917314U CN204917314U CN201520661481.0U CN201520661481U CN204917314U CN 204917314 U CN204917314 U CN 204917314U CN 201520661481 U CN201520661481 U CN 201520661481U CN 204917314 U CN204917314 U CN 204917314U
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- Prior art keywords
- paper
- angle
- cardboard
- paper feed
- feed roller
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- 239000000123 paper Substances 0.000 claims abstract description 221
- 239000011111 cardboard Substances 0.000 claims abstract description 54
- 230000007246 mechanism Effects 0.000 claims description 26
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 238000010586 diagram Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 6
- 230000003321 amplification Effects 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
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- Sheets, Magazines, And Separation Thereof (AREA)
Abstract
The utility model provides a paper feeding device (3), utilizes to dispose and will carry the paper of placing the paper supply face in paper supply drive division (5) of the front end of paper supply face and see off towards the place ahead one by one from the below, characterized by, and paper supply drive division (5) have: carry paper feed roller (51) of putting and carrying the paper, and dial paper component (52) with what the paper was pushed aside aside, it has group cardboard (521) to dial paper component (52), this group cardboard (521) are configured as and paper feed roller (51) butt, it disposes in paper feed roller (51) from top and the place ahead to dial cardboard (521), and for vertical direction slope regulation angle ( alpha ), the paper supply face is by constituting with the front surface portion (41) of first angle slope with for the rear surface portion (42) of horizontal direction with the slope of second angle for the horizontal direction, first angle is when the paper gets into the butt portion (T) of dialling cardboard (521) and paper feed roller (51), front end and group cardboard (521) contact such angle more first than paper feed roller (51) of paper, the second angle is the angle bigger than first angle.
Description
Technical field
The utility model relates to the paper feed that a kind of paper that will be placed in confession paper is sent from below one by one forward.
Background technology
As shown in figure 16, the paper feed being called as such as ADF (AutoDocumentFeeder: auto document feeder) utilizes group cardboard 526 to be pushed aside by the paper be placed in for paper 40, and utilizes paper feed roller 51 to send forward.
Prior art document
Patent documentation
Patent documentation 1: Japanese Patent Laid-Open 8-143173 publication
Patent documentation 2: Japanese Patent Laid-Open 9-150979 publication
Patent documentation 3: Japanese Patent Laid-Open No. Sho 63-300038 publication
In the existing paper feed shown in Figure 16, there is following problem.
(1) when supplying the tilt angle theta of paper 40 excessive, utilizing group cardboard 526 cannot push paper aside fully, easily producing " the overlapping paper feeding of paper ".
(2) when supplying the tilt angle theta of paper 40 too small, paper feed roller 526 is difficult to carry paper, easily " not carrying of paper " occurs.
(3) generally about 30 degree are more set to for the tilt angle theta of paper 40, in this case, sometimes because of the kind of paper, environment and produce " the overlapping paper feeding of paper " or produce " not carrying of paper ".
Therefore, in existing paper feed, for dialled by setting rightly cardboard 526 material, dial the angle of inclination etc. of cardboard 526 and solve " the overlapping paper feeding of paper " and " not carrying of paper " rightly.But this setting is very difficult.
Utility model content
The purpose of this utility model is to provide one that simple structure can be utilized to solve the paper feed of " the overlapping paper feeding of paper " and " not carrying of paper " rightly.
Paper feed of the present utility model utilizes the paper supply drive division be configured at for the front end of paper to send being placed in the above-mentioned paper for paper one by one from below forward, and it is characterized in that, above-mentioned paper supply drive division has: load and carry the paper feed roller of paper, and paper pushed aside dial paper component, above-mentioned group of paper component has dials cardboard, this group of cardboard is configured to abut with above-mentioned paper feed roller, the above-mentioned group of cardboard is from top and front is configured at above-mentioned paper feed roller, and relative to vertical inclination predetermined angular, the above-mentioned paper that supplies is formed with the rear face portion of the second angular slope with the front surface part of the first angular slope with relative to horizontal direction by relative to horizontal direction, above-mentioned first angle is when paper enters the abutting part of above-mentioned group of cardboard and above-mentioned paper feed roller, the front end of paper first contacts such angle with above-mentioned group of cardboard than above-mentioned paper feed roller, above-mentioned second angle is the angle larger than above-mentioned first angle.
According to the utility model, simple structure can be utilized to solve " the overlapping paper feeding of paper " and " not carrying of paper ".
Accompanying drawing explanation
Fig. 1 is the front view of the printer representing the paper feed comprising the utility model one embodiment.
Fig. 2 is the block diagram of the original copy reading mechanism of Fig. 1.
Fig. 3 is the block diagram of the original copy reading mechanism under the state pulled down by lid.
Fig. 4 is the front section view of original copy reading mechanism.
Fig. 5 is the main portion amplification view of paper feed.
Fig. 6 is the cross-sectional schematic representing the first angle adjusting mechanism and the second angle adjusting mechanism.
Fig. 7 is the body portion schematic diagram for paper of Fig. 6.
Fig. 8 is the cross-sectional schematic representing the first angle adjusting mechanism and the second angle adjusting mechanism.
Fig. 9 is the exploded perspective view dialling paper component of paper supply drive division.
Figure 10 represents the three-dimensional Local map dialling cardboard regulating mechanism.
Figure 11 represents the three-dimensional Local map dialling cardboard regulating mechanism.
Figure 12 is the front section view representing leaf spring.
Figure 13 is the block diagram of Figure 12.
Figure 14 is the front section view of the leaf spring representing another example.
Figure 15 is the block diagram of Figure 14.
Figure 16 is the main portion amplification view of existing paper feed.
(nomenclature)
3 paper feeds
4 for paper
41 front surface part
42 rear face portion
5 paper supply drive divisions
51 paper feed rollers
52 groups of paper components
521 groups of cardboards
53,53A leaf spring
T abutting part
Detailed description of the invention
Fig. 1 is the front view of the printer representing the paper feed comprising the utility model one embodiment.Printer 1 comprises original copy reading mechanism 2 at the upper surface of main body 11.In this printer 1, the image of original paper is read by original copy reading mechanism 2, and carries out plate-making operation according to this view data, to form plate-making body paper, and prints according to this plate-making body paper.Fig. 2 is the block diagram of original copy reading mechanism 2.Fig. 3 is the block diagram of the original copy reading mechanism 2 under the state pulled down by lid 21.As shown in Figure 3, original copy reading mechanism 2 comprises paper feed 3, image reading unit 6 and heap paper portion 7.Paper feed 3 has: what be made up of front surface part 41 and rear face portion 42 supplies paper 4; And be configured at the paper supply drive division 5 of the front end for paper 4.Image reading unit 6 is from the paper reading images sent here forward by paper feed 3.Heap paper portion 7 receives and loads the paper by image reading unit 6.Paper supply drive division 5 and image reading unit 6 are configured at the space between the two side 22 of Width both sides, are usually covered by lid 21.
[basic structure]
Fig. 4 is the front section view of original copy reading mechanism 2.Paper 100 is placed in the state shown in fig. 4 on paper 4.Fig. 5 is the main portion amplification view of paper feed 3.As shown in Figure 3, paper supply drive division 5 is located at the central portion of the axle 50 extended in the direction of the width.Axle 50 be supported at both ends in two side 22.Paper supply drive division 5 has: load and carry the paper feed roller 51 of paper; And paper pushed aside dial paper component 52.Dial paper component 52 and there is group cardboard 521 configured in the mode abutted with paper feed roller 51.Dial cardboard 521 from top and front is configured at paper feed roller 51.In addition, cardboard 521 is dialled relative to vertical inclination predetermined angular α.
Extend to till front end 411 enters the position of paper supply drive division 5 for the front surface part 41 of paper 4.The front end 421 of rear face portion 42 is positioned at the top of the rear end 412 of front surface part 41.For on paper 4, front surface part 41 to tilt the first angle θ 1 relative to horizontal direction, and rear face portion 42 to tilt the second angle θ 2 relative to horizontal direction.As shown in the arrow P 1 of Fig. 5, the first angle θ 1 be when paper enter dial the abutting part T of cardboard 521 with paper feed roller 51 time, paper front end more first than paper feed roller 51 contact such angle with group cardboard 521.Second angle θ 2 is angles larger than the first angle θ 1.Such as, the first angle θ 1 is 5 ~ 10 degree, and the second angle θ 2 is 35 ~ 45 degree.
In the paper feed 3 of said structure, the paper be placed in for paper 4 enters paper supply drive division 5 from the front end 411 of front surface part 41, pushing aside by dialling paper component 52, entering abutting part T one by one from below, and carried towards image reading unit 6 by paper feed roller 51 and arrive heap paper portion 7.
According to the paper feed 3 of said structure, following effect can be given play to.
(1) angle of inclination for the front surface part 41 of paper 4 is set to the first angle θ 1, and therefore, the paper be placed in for paper 4 first abuts with group cardboard 521 than paper feed roller 51 when entering the abutting part T of paper supply drive division 5.Consequently, the paper entering paper supply drive division 5 is reliably pushed aside by group cardboard 521, then, enters abutting part T, and is sent forward by paper feed roller 51.Therefore, according to paper feed 3, can prevent " the overlapping paper feeding of paper ".
(2) angle of inclination for the rear face portion 42 of paper 4 is set to the second angle θ 2, and therefore, the paper be placed in for paper 4 easily moves towards paper supply drive division 5.Consequently, paper can reliably arrive abutting part T.Therefore, according to paper feed 3, can prevent " not carrying of paper ".
(3) in order to prevent " the overlapping paper feeding of paper " and " not carrying of paper " together, in paper feed 3, only be divided into front surface part 41 and rear face portion 42 for paper 4, the angle of inclination of front surface part 41 is set to the first angle θ 1, and the angle of inclination of rear face portion 42 is set to the second angle θ 2.Therefore, simple structure can be utilized to solve " the overlapping paper feeding of paper " and " not carrying of paper ".
[concrete structure]
The paper feed 3 of said structure also comprises following structure.
A () front surface part 41 has the first angle adjusting mechanism regulated the first angle θ 1.As shown in Figure 6, the first angle adjusting mechanism comprises axle 43, and this axle 43 is fixed on the front portion of the lower surface 413 of front surface part 41.As shown in Figure 7, the part of the axle 43 engaged with lower surface 413 becomes plane 431.Axle 43 be supported at both ends in two side 22.Axle 43 is supported on two side 22 in the mode that can rotate freely.Therefore, as shown in Fig. 6 and Fig. 8, front surface part 41 is rotated as arrow R1 for fulcrum with axle 43 by making axle 43 rotate.
According to said structure, the first angle θ 1 can be set arbitrarily.Therefore, the kind of the paper that can come with supply sets the first appropriate angle θ 1 being used for preventing " the overlapping paper feeding of paper " accordingly.
B () rear face portion 42 has the second angle adjusting mechanism regulated the second angle θ 2.As shown in Figure 6, the second angle adjusting mechanism comprises axle 44, and this axle 44 is fixed on the front portion of the lower surface 423 of rear face portion 42.As shown in Figure 7, the part of the axle 44 engaged with lower surface 423 becomes plane 441.Axle 44 be supported at both ends in two side 22.Axle 44 is supported on two side 22 in the mode that can rotate freely.Therefore, as shown in Fig. 6 and Fig. 8, rear face portion 42 rotates as arrow R2 for fulcrum with axle 44 by making axle 44 rotate.
According to said structure, the second angle θ 2 can be set arbitrarily.Therefore, the kind of the paper that can come with supply sets the second appropriate angle θ 2 being used for preventing " not carrying of paper " accordingly.
C (), as shown in exploded drawings and Fig. 9, the paper component 52 of dialling of paper supply drive division 5 is formed by dialling cardboard 521, holder 522, spring 523 and lid 524.Dial cardboard 521 to be made up of sponge.Use polyolefins Foamex, especially polyethylene foamed being ideal as sponge.Dialling cardboard 521 utilizes the leading edge 5221 of holder 522 and trailing edge 5222 to be held in the lower surface of holder 522.Holder 522 arc sections 5223 is affiliated to the groove 501 in axle 50 and is installed on axle 50.Therefore, holder 522 freely can be rotated around axle 50.Lid 524 utilizes installation sheet 5241 to be fixed on the par 502 of axle 50 under the state covering holder 522.Therefore, lid 524 is integrated with 50 one-tenth, axle.Spring 523 is configured between lid 524 and holder 522, and namely dials cardboard 521 to holder 522 and exert a force towards paper feed roller 51.By this, dial cardboard 521 to abut with the side face of paper feed roller 51.
According to said structure, following effect can be given play to.
(c-1) dial cardboard 521 to be made up of sponge, therefore, group cardboard 521 abutted with the surrounding of paper feed roller 51 can be compressed by spring 523.Consequently, dial cardboard 521 to increase with the contact area of paper feed roller 51.By this, improve group paper performance dialling cardboard 521.Therefore, can reliably prevent further " the overlapping paper feeding of paper ".
(c-2) dial cardboard 521 to be made up of sponge, therefore, what the friction coefficient F1 dialling the surface of cardboard 521 was formed with by rubber type of material dials compared with cardboard, is less.Therefore, " sound " that produce when paper can be suppressed to be pushed aside.
(c-3) dial cardboard 521 to be exerted a force by spring 523, therefore, can set exactly dial cardboard 521 and paper feed roller 51 abut pressure.Therefore, appropriate group paper operation can be realized.
D () is dialled paper component 52 and is had group cardboard regulating mechanism regulated the predetermined angular α dialling cardboard 521.As shown in Figures 10 and 11, dialling cardboard regulating mechanism is consist of the elongated hole 221 being supported at both ends in sidewall 22 by axle 50.Axle 50 is supported to can while rotate while mobile in elongated hole 221.Therefore, when axle 50 is in rotary moving towards the state of the front end being positioned at elongated hole 221 as shown in figure 11 from the state of the rear end being positioned at elongated hole 221 as shown in Figure 10, dial that paper component 52 is overall to tilt further, consequently, the predetermined angular α dialling cardboard 521 diminishes.Like this, by making axle 50 mobile in elongated hole 221, predetermined angular α can at random be regulated.
According to said structure, the predetermined angular corresponding with the kind of the paper that supply comes can be set, consequently, appropriate group paper can be performed.
E () paper supply drive division 5 has press element, paper is being pressed on paper feed roller 51 than dialling cardboard 521 position rearward by this press element.As shown in FIG. 12 and 13, press element is leaf spring 53.Leaf spring 53 is made up of installation portion 531, vertical portion 532, rake 533, press section 534, and it is such as metal.Press section 534 is tabular surfaces, and abuts with the side face of paper feed roller 51.The friction coefficient F2 of the bearing surface of press section 534 is less than the friction coefficient F1 on the surface of dialling cardboard 521.Leaf spring 53 is fixed on the par 502 of axle 50 by installation portion 531 and is installed on axle 50 together with the installation sheet 5241 of lid 524.That is, leaf spring 53 is integrated with group paper component 52 one-tenth.
In said structure, the paper entering paper supply drive division 5 from front surface part 41 is pressed on the side face of paper feed roller 51 by press section 534, and is carried to abutting part T along with the rotation of paper feed roller 51.
According to said structure, contribute to paper and sent forward by the rotation of paper feed roller 51.That is, the paper that can contribute to being placed in front surface part 41 enters abutting part T.Therefore, can prevent " not carrying of paper " together with the second angle θ 2 of rear face portion 42, even if or in the inadequate situation of the second angle θ 2, also can prevent " not carrying of paper ".
In addition, form press element by leaf spring 53, therefore, can low price and realize press element simply.
[distressed structure]
(1) Figure 14 is the front section view of another example representing leaf spring.Figure 15 is the block diagram of Figure 14.This leaf spring 53A is arranged with group paper component 52 split.That is, leaf spring 53A is made up of installation portion 535, transverse part 536, vertical portion 537, rake 538 and press section 539, utilizes installation portion 535 to be installed on the inner vertical rib 212 of lid 21.Press section 539 is identical with the press section 534 of leaf spring 53 (Figure 12).
According to said structure, the mounting or dismounting operation of leaf spring 53A easily can be carried out.
(2) the utility model also can not adopt above-mentioned concrete structure (a) ~ (e), or also can at random select to adopt the more than one structure in above-mentioned concrete structure (a) ~ (e).
(3) paper feed of the present utility model is not limited to the original copy reading mechanism of above-mentioned printer, also may be used for other mechanisms or device.
Industrial utilizability
Paper feed of the present utility model can utilize simple structure to solve " the overlapping paper feeding of paper " and " the not paper feeding of paper " rightly, and therefore, industrial value is larger.
Claims (8)
1. a paper feed, utilizing the paper supply drive division be configured at for the front end of paper to send being placed in the described paper for paper one by one from below forward, it is characterized in that,
Described paper supply drive division has: load and carry the paper feed roller of paper; And paper pushed aside dial paper component,
Described group of paper component has dials cardboard, and this group of cardboard is configured to abut with described paper feed roller,
The described group of cardboard is from top and front is configured at described paper feed roller, and relative to vertical inclination predetermined angular,
The described paper that supplies is formed with the rear face portion of the second angular slope with the front surface part of the first angular slope with relative to horizontal direction by relative to horizontal direction,
Described first angle be when paper enter described dial the abutting part of cardboard with described paper feed roller time, paper front end first contact such angle with described group of cardboard than described paper feed roller,
Described second angle is the angle larger than described first angle.
2. paper feed as claimed in claim 1, is characterized in that,
Described first angle is 5 ~ 10 degree,
Described second angle is 35 ~ 45 degree.
3. paper feed as claimed in claim 1, is characterized in that,
Described paper supply drive division has press element, and paper is being pressed on described paper feed roller than described group of cardboard position rearward by this press element.
4. paper feed as claimed in claim 3, is characterized in that,
Described press element is leaf spring.
5. paper feed as claimed in claim 1, is characterized in that,
Described group of paper component has group cardboard regulating mechanism regulated the described predetermined angular of described group of cardboard.
6. paper feed as claimed in claim 1, is characterized in that,
Described group of cardboard is made up of sponge.
7. paper feed as claimed in claim 1, is characterized in that,
Described group of cardboard is abutted with described paper feed roller by spring press.
8. paper feed as claimed in claim 1, is characterized in that,
Described have the first angle adjusting mechanism regulated described first angle and/or the second angle adjusting mechanism regulated described second angle for paper mask.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520661481.0U CN204917314U (en) | 2015-08-28 | 2015-08-28 | Paper feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520661481.0U CN204917314U (en) | 2015-08-28 | 2015-08-28 | Paper feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204917314U true CN204917314U (en) | 2015-12-30 |
Family
ID=54966462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520661481.0U Active CN204917314U (en) | 2015-08-28 | 2015-08-28 | Paper feeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204917314U (en) |
-
2015
- 2015-08-28 CN CN201520661481.0U patent/CN204917314U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |