CN1865106A - Printing device and its paper feeding device - Google Patents
Printing device and its paper feeding device Download PDFInfo
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- CN1865106A CN1865106A CN 200510072698 CN200510072698A CN1865106A CN 1865106 A CN1865106 A CN 1865106A CN 200510072698 CN200510072698 CN 200510072698 CN 200510072698 A CN200510072698 A CN 200510072698A CN 1865106 A CN1865106 A CN 1865106A
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- paper
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- print platform
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Abstract
The invention relates to a paper feedback device, which is mounted on a printer. Wherein, said paper feedback device comprises a print platform, a paper feeding roller, several paper discharging rollers, and several hydrophobic rollers; the print platform has one arc surface; the paper feeding roller is at one side of print platform to feed paper to the print platform; the paper discharging rollers are distantly arranged at another side of print platform; the hydrophobic rollers are arranged above the paper discharging rollers; the hydrophobic rollers and paper discharging rollers clamp the paper and rotate synchronously, to transport paper away the print platform.
Description
Technical field
The present invention relates to a kind of type printer and paper feeder thereof, particularly relate to a kind of paper that prevents and produce wrinkle and can expire the paper feeder that version is printed.
Background technology
In general, traditional type printer in the mode of inkjet printing at big data quantity or when high resolution printed, concentrate on print area because of ink droplet what produce interaction with the fiber properties of paper, make paper produce downwards or bending downwards in the paper delivery direction, this phenomenon is called wrinkle (cockling) phenomenon.The next one zone to be printed that this wrinkle phenomenon will extend to paper, and make printhead and the distance between paper neglect into far away suddenly with ink cartridges.Because the distance between paper and the printhead can't be kept necessarily, the drop point site of ink droplet on paper will be affected, and the feasible image that is printed on the paper presents the light and shade band of flickering inequality, have a strong impact on print quality.
In order to get rid of above-mentioned paper wrinkle phenomenon, traditional practice is to utilize that the contrary flexure of paper is specific removes to overcome wrinkle.With reference to Fig. 1, its expression tradition has the schematic perspective view of the paper feeder of anti-wrinkle rib.This paper feeder 100 transmits a paper 108 by a driving rolls 102 and enters a support platform 104.Because this support platform 104 is provided with paper 108 and feeds out the vertical a plurality of anti-wrinkle rib 106 of direction, therefore paper 108 will produce one first curved edge 110 and one second curved edge 112, and wherein this second curved edge 112 is the continuous wave curved edge.This practice can obtain good effect for overcoming wrinkle, but when the paper tail end breaks away from driving rolls 112, does not transport paper 108 because of there being extra transferring power, so traditional type printer can not be accomplished full version printing at all.
Summary of the invention
Therefore, purpose of the present invention just provides a kind of type printer and paper feeder thereof, utilize the hydrophobic roller of a plurality of arc shootings in the paper feeder to present out paper to increase the design of the anti-wrinkle ability of paper, can effectively prevent the generation of paper wrinkle, make the type printer of using present embodiment have the function that full version is printed.Like this, use the type printer of the paper feeder of present embodiment, can avoid really producing and to carry out the shortcoming that full version is printed as traditional type printer.
According to purpose of the present invention, a kind of paper feeder is proposed, be arranged on the type printer.Paper feeder comprises one to be printed platform, a paper-feed, a plurality ofly goes out paper roller and a plurality of hydrophobic roller.Print platform has a cambered surface, and paper-feed is arranged at one first side of print platform, in order to transmit a paper to print platform.These go out one second side that paper roller is arranged at print platform with being spaced from each other, and these hydrophobic rollers are arranged on the top that these go out paper roller accordingly.These hydrophobic rollers and these go out paper roller and clamp paper and rotation synchronously up and down, leave print platform to transmit paper.
According to a further object of the present invention, a kind of type printer is proposed, comprise a printhead and a paper feeder.Paper feeder is arranged under the printhead.Paper feeder comprises one to be printed platform, a paper-feed, a plurality ofly goes out paper roller and a plurality of hydrophobic roller.Print platform has a cambered surface, and paper-feed is arranged at one first side of print platform, in order to transmit a paper to print platform.These go out one second side that paper roller is arranged at print platform with being spaced from each other, and these hydrophobic rollers are arranged on the top that these go out paper roller accordingly.These hydrophobic rollers and these go out paper roller and clamp paper and rotation synchronously up and down, leave print platform to transmit paper.
For making the above-mentioned purpose of the present invention, feature and advantage can more obvious easy to understand, below especially exemplified by preferably
Embodiment and conjunction with figs. elaborate.
Description of drawings
Fig. 1 represents that tradition has the schematic perspective view of the paper feeder of anti-wrinkle rib;
Fig. 2 A represents the generalized section according to the type printer of embodiments of the invention one;
Fig. 2 B represents the roller array scheme drawing according to the type printer of embodiments of the invention one;
The stressed scheme drawing of paper among Fig. 3 presentation graphs 2A;
Fig. 4 A represents the generalized section according to the type printer of embodiments of the invention two;
Fig. 4 B represents the roller array scheme drawing according to the type printer of embodiments of the invention two;
The stressed scheme drawing of paper among Fig. 5 presentation graphs 4A.
The specific embodiment
Embodiment one
With reference to Fig. 2 A～2B, Fig. 2 A represents the generalized section according to the type printer of embodiments of the invention one simultaneously, and Fig. 2 B represents the roller array scheme drawing according to the type printer of embodiments of the invention one.In Fig. 2 A～2B, type printer 200 comprises a printhead 212 and a paper feeder 201.Paper feeder 201 is arranged at printhead 212 times, and comprises and one print platform 202, a paper-feed 204, a plurality ofly go out paper roller 208 and a plurality of hydrophobic roller, for example a plurality of star gears 210 among Fig. 2 A.In addition, print platform 202 has a cambered surface 202a.Paper-feed 204 is arranged at one first side of print platform 202, carries out inkjet printing to the cambered surface 202a of print platform 202 is last for printhead 212 in order to transmit a paper 206.These go out one second side that paper roller 208 is arranged at print platform 202 with being spaced from each other, and be arranged in parallel with respect to cambered surface 202a.That is to say that these axle center that go out paper roller 208 can be interconnected to one first camber line 209, this first camber line 209 is roughly parallel with cambered surface 202a.Wherein, in the present embodiment, going out paper roller 280 with 5 is that example describes, and goes out paper roller 208a, one second with first respectively and goes out paper roller 208b, the 3rd and go out paper roller 208c, the 4th and go out paper roller 208d and the 5th and go out paper roller 208e and represent.
Explanation further, a plurality of corresponding to the above-mentioned hydrophobic roller 210 that goes out paper roller 208, one first star gear 210a, one second star gear 210b, a third star wheel 210c, one the 4th star gear 210d and Alcor shape wheel 210e for example is arranged at cooresponding first respectively and goes out paper roller 208a, second and go out paper roller 208b, the 3rd and go out paper roller 208c, the 4th and go out paper roller 208d and the 5th and go out paper roller 208e top.It is roughly parallel with cambered surface 202a with first camber line 209 that the axle center of the first star gear 210a, the second star gear 210b, third star wheel 210c, the 4th star gear 210d and Alcor shape wheel 210e can be interconnected into one second camber line, 211, the second camber lines 211 mutually.The first star gear 210a, the second star gear 210b, third star wheel 210c, the 4th star gear 210d and Alcor shape wheel 210e go out paper roller 208a, second and go out paper roller 208b, the 3rd and go out paper roller 208c, the 4th and go out paper roller 208d and the 5th and go out paper roller 208e and clamp paper 206 up and down with first accordingly, make paper 206 almost parallel cambered surface 202a.In addition, the first star gear 210a, the second star gear 210b, third star wheel 210c, the 4th star gear 210d and Alcor shape wheel 210e go out paper roller 208a, second and go out paper roller 208b, the 3rd and go out paper roller 208c, the 4th and go out paper roller 208d and the 5th and go out paper roller 208e and will paper 206 be transmitted in the mode of synchronous rotation and leave print platform 202 with first accordingly.In the present embodiment, cambered surface 202a for example is a recessed cambered surface that makes progress, and first camber line 209 and second camber line 211 for example are two recessed camber lines that make progress, and paper 206 for example is a recessed paper that makes progress.
With arrangement mode, first goes out paper roller 208a goes out paper roller 208b and the 3rd second and goes out between the paper roller 208c.Suppose that first goes out paper roller 208a, second and go out paper roller 208b, the 3rd and go out paper roller 208c, the 4th and go out the roller radius that paper roller 208d and the 5th goes out paper roller 208e and equate, then first shaft core position that goes out paper roller 208a is lower than second and goes out the shaft core position that paper roller 208b and the 3rd goes out paper roller 208c.Similarly, the 4th shaft core position that goes out paper roller 208d is than the second shaft core position height that goes out paper roller 208b, and the 5th shaft core position that goes out paper roller 208e is than the 3rd shaft core position height that goes out paper roller 208c.These five go out paper roller 208 promptly is to form recessed first camber line 209 that makes progress in the mode of arranging according to this.
On the other hand, go out paper roller 208 corresponding a plurality of hydrophobic rollers 210 with these and have identical arc shooting mode too.The roller radius of supposing the first star gear 210a, the second star gear 210b, third star wheel 210c, the 4th star gear 210d and Alcor shape wheel 210e equates that then the shaft core position of the first star gear 210a is lower than the shaft core position of the second star gear 210b and third star wheel 210c.Similarly, the shaft core position of the 4th star gear 210d is than the shaft core position height of the second star gear 210b, and the shaft core position of Alcor shape wheel 210e is than the shaft core position height of third star wheel 210c.These five hydrophobic rollers 210 promptly are to form recessed second camber line 211 that makes progress in the mode of arranging according to this.
Go out the synchronous rotation of paper roller 208 by these hydrophobic rollers 210 and these, leave print platform 202, and force paper 206 to form a recessed paper that makes progress to drive paper 206.Form a recessed paper that makes progress by paper 206, can increase the ability of the anti-wrinkle of paper 206, avoid paper 206 to produce the wrinkle phenomenon at the paper 206 inner stress that produce.
In the present embodiment, paper feeder 201 also comprises at least one down-pressure roller, for example presses down star gear 214 among Fig. 2 A.This presses down star gear 214 and is configured on the print platform 202, and between printhead 212 and hydrophobic roller 210.Press down star gear 214 in order to transmit and to press down paper 206, make paper 206 press close to cambered surface 202a.When paper 206 tail ends break away from paper-feed 204, pressing down star gear 214 can drive paper 206 and advance to reach the purpose that full version is printed, and make paper 206 press close to cambered surface 202a to maintain the stress of reflexed wrinkle, therefore still can reach the effect of accurate ink droplet drop point.
In addition, paper feeder 201 also comprises a plurality of flexible connectors, and for example belt 218, and belt 218 goes out paper roller 208 in order to socket paper-feed 204 accordingly with these, and making paper-feed 204 and these go out paper roller 208 can rotate synchronously.Wherein, paper-feed 204 can be a main wheel, and these go out paper roller 208 can be a plurality of idle pulleys.Perhaps, these go out paper roller 208 can be main wheel, and paper-feed 204 can be an idle pulley.In addition, paper feeder 201 also comprises a clip wheel 216, and clip wheel 216 is arranged on paper-feed 204 tops in rotating mode, in order to paper-feed clamping paper 206 about in the of 206.Clip wheel 216 and paper-feed 204 can rotate synchronously, enter on the print platform 202 accurately to transmit paper 206.
With reference to Fig. 3, the stressed scheme drawing of paper among its presentation graphs 2A.In Fig. 3, clip wheel downforce 2161 is used to press down paper 206, makes paper 206 successfully be fed on the print platform 202.By hydrophobic roller 210 and the arc shooting mode that goes out paper roller 208, when paper 206 is sent to the hydrophobic roller 210 of Fig. 2 A and goes out between the paper roller 208, paper will form a recessed paper that makes progress because of hydrophobic roller downforce 2101 thereupon.Paper 206 is the recessed internal stress that upwards produces because of this body structure.So, paper 206 can promote the ability of reflexed wrinkle by hydrophobic roller 210 and the arc shooting mode that goes out paper roller 208.Therefore, the paper feeder 201 of present embodiment not only can promote the effect of paper reflexed wrinkle, also can make type printer 200 carry out full accurately version and print.
Embodiment two
With reference to Fig. 4 A～4B, Fig. 4 A represents the generalized section according to the type printer of embodiments of the invention two simultaneously, and Fig. 4 B represents the roller array scheme drawing according to the type printer of embodiments of the invention two.Type printer 400 comprises a printhead 402 and a paper feeder 401, and printhead 402 is in order to carry out inkjet printing on a paper 404.Paper feeder 401 comprises one to be printed platform 406, a paper-feed 410, a plurality ofly goes out paper roller 412 and a plurality of hydrophobic roller 412.In addition, print platform 406 has a cambered surface 406a.Paper-feed 410 is arranged at one first side of print platform 406, carries out inkjet printing for printhead 402 in order to transmit a paper 404 to print platform 406.These go out one second side that paper roller 412 is arranged at print platform 406 with being spaced from each other, and be arranged in parallel with respect to cambered surface 406a.These holding paper edges that go out paper roller 414 can be interconnected to one first camber line 413, and this first camber line 413 is roughly parallel with cambered surface 406a.In the present embodiment, going out paper roller 412 with 3 is that example describes, and goes out paper roller 412a, one second with first respectively and goes out paper roller 412b and the 3rd and go out paper roller 412c and represent.
Further explanation, a plurality of corresponding to the above-mentioned hydrophobic roller 414 that goes out paper roller 412, for example one first star gear 414a, one second star gear 414b and a third star wheel 414c, being separately positioned on cooresponding first goes out paper roller 412a, second and goes out paper roller 412b and the 3rd and go out paper roller 412c top, it is roughly parallel with cambered surface 406a with first camber line 413 that the axle center of the first star gear 411a, the second star gear 411b and third star wheel 411c can be interconnected into one second camber line, 411, the second camber lines 411 mutually.The first star gear 414a, the second star gear 414b and third star wheel 414c go out paper roller 412a, second and go out paper roller 412b and the 3rd and go out paper roller 412c and clamp paper 404 up and down with first accordingly, make paper 404 almost parallel cambered surface 406a.In addition, the first star gear 414a, the second star gear 414b and third star wheel 414c go out paper roller 412a, second and go out paper roller 412b and the 3rd and go out paper roller 412c and will paper 404 be transmitted and leave print platform 406 in the mode of synchronous rotation with first accordingly.In the present embodiment, cambered surface 406a for example is a recessed cambered surface that makes progress, and first camber line 413 and second camber line 411 for example are two recessed camber lines that make progress, and paper 404 for example is a recessed paper that makes progress.
With arrangement mode, first goes out paper roller 412a goes out paper roller 412b and the 3rd second and goes out between the paper roller 412c.Suppose that the first roller radius that goes out paper roller 412a goes out the radius that paper roller 412b and the 3rd goes out paper roller 412c less than second, and first goes out paper roller 412a, second, and to go out the axial connecting line that paper roller 412b and the 3rd goes out paper roller 412c be a horizon, and then first edge that inserts and puts that goes out paper roller 412a is lower than second and goes out the edge that inserts and puts that paper roller 412b and the 3rd goes out paper roller 412c.
On the other hand, go out paper roller 412 corresponding a plurality of hydrophobic rollers 414 with these and have identical arc shooting mode with the hydrophobic roller 210 of embodiment one too, do not repeat them here.
In the present embodiment, paper feeder 401 also comprises a support roller, for example is the support star gear 416 among Fig. 4 A.Support star gear 416 and be arranged on out after the paper roller 412, make these go out paper roller 412 between support roller 416 and paper-feed 410.Support star gear 416 is in order to transmission and provide paper 404 1 bearing forces, and makes paper 404 form the recessed paper that makes progress.In addition, paper feeder 401 also comprises a clip wheel 418, and clip wheel 418 is arranged on paper-feed 410 tops in rotating mode, in order to paper-feed clamping paper 404 about in the of 410.Clip wheel 418 and paper-feed 410 rotate synchronously, enter on the print platform 406 in order to drive paper 404 accurate transmission.
In addition, paper feeder 401 also comprises a plurality of flexible connectors, and for example belt 420, and belt 420 goes out paper roller 412 in order to socket paper-feed accordingly 410 and these, and making paper-feed 410 and these go out paper roller 412 can rotate synchronously.Wherein, going out paper roller 412 can be main wheel, and paper-feed 410 can be an idle pulley.Perhaps, paper-feed 410 can be a main wheel, and going out paper roller 412 can be idle pulley.
With reference to Fig. 5, the stressed scheme drawing of paper among its presentation graphs 4A.Clip wheel downforce 4181 makes paper 404 successfully be fed on the print platform 406 in order to press down paper 404.It is a recessed upwards paper that star gear downforce 4141 and support star gear bearing force 422 can keep paper 404.The stress that produces during by paper 404 bendings makes paper 404 have the characteristic of reflexed wrinkle.And, have power owing to go out paper roller 412, therefore when paper 404 tail ends broke away from paper-feed 410, this type printer 400 still can carry out full version and print.
But the technical personnel that has general knowledge under the present embodiment in the technical field can understand that the technology of present embodiment is not limited thereto, for example, the paper feeder 201 of embodiment one also can be provided with support roller after going out paper roller 208, thereby omits the design of down-pressure roller 214.In addition, the paper feeder 401 of embodiment two also can be provided with down-pressure roller at paper-feed 410 with go out between the paper roller 412, thereby omits the design of support roller 416.
The paper feeder that the above embodiment of the present invention disclosed, it utilizes the hydrophobic roller of a plurality of arc shootings to present out paper to increase the design of the anti-wrinkle ability of paper, can effectively prevent the generation of paper wrinkle, the feasible type printer of using the paper feeder of present embodiment has the function that full version is printed.Therefore, use the type printer of the paper feeder of present embodiment, can avoid really producing and to carry out the shortcoming that full version is printed as traditional type printer.
In sum, though the present invention discloses with a preferred embodiment, it is not in order to limit the present invention; any those skilled in the art; not breaking away from design of the present invention and scope, can make various changes and retouching, so protection scope of the present invention is defined with accompanying Claim.
Claims (18)
1. a paper feeder is arranged on the type printer, and described paper feeder comprises:
One prints platform, has a cambered surface;
One paper-feed is arranged at one first side of described print platform, in order to transmit a paper to described print platform;
A plurality ofly go out paper roller, be arranged at one second side of described print platform with being spaced from each other; And
A plurality of hydrophobic rollers are arranged on the described top that goes out paper roller accordingly, and described hydrophobic roller and describedly go out paper roller and clamp described paper up and down and rotate synchronously leaves described print platform to transmit described paper.
2. paper feeder as claimed in claim 1 wherein saidly goes out paper roller and forms one first camber line, and the hydrophobic roller forms one second camber line, and first camber line and second camber line are roughly parallel to cambered surface.
3. paper feeder as claimed in claim 1 also comprises a down-pressure roller, is arranged on the print platform, in order to transmit and to press down paper to press close to cambered surface.
4. paper feeder as claimed in claim 1 also comprises a support roller, is arranged at out after the paper roller, makes the hydrophobic roller between support roller and paper-feed, and support roller is in order to support and to transmit paper.
5. paper feeder as claimed in claim 1 also comprises a plurality of flexible connectors, in order to socket paper-feed accordingly with go out paper roller, makes paper-feed and go out paper roller and can rotate synchronously.
6. paper feeder as claimed in claim 5, wherein said paper-feed is a main wheel, going out paper roller is a plurality of idle pulleys.
7. paper feeder as claimed in claim 5, wherein said flexible connector are many belts.
8. paper feeder as claimed in claim 1, wherein said hydrophobic roller is a plurality of star gears.
9. paper feeder as claimed in claim 1, wherein said cambered surface are a recessed cambered surface that makes progress.
10. type printer comprises:
One printhead; And
One paper feeder is arranged under the described printhead, and comprises:
One prints platform, has a cambered surface;
One paper-feed is arranged at one first side of described print platform, in order to transmit a paper to described print platform;
A plurality ofly go out paper roller, be arranged at one second side of described print platform with being spaced from each other; And
A plurality of hydrophobic rollers are arranged on the described top that goes out paper roller accordingly, and described hydrophobic roller and describedly go out paper roller and clamp described paper up and down and rotate synchronously leaves described print platform to transmit described paper.
11. type printer as claimed in claim 10 wherein saidly goes out paper roller and forms one first camber line, the hydrophobic roller forms one second camber line, and first camber line and second camber line are roughly parallel to cambered surface.
12. type printer as claimed in claim 10, wherein said paper feeder also comprises a down-pressure roller, is arranged on the print platform, in order to transmit and to press down paper to press close to cambered surface.
13. type printer as claimed in claim 10, wherein said paper feeder also comprises a support roller, is arranged at out after the paper roller, makes the hydrophobic roller between support roller and paper-feed, and support roller is in order to transmit and to support paper.
14. type printer as claimed in claim 10, wherein said paper feeder also comprises a plurality of flexible connectors, in order to socket paper-feed accordingly with go out paper roller, makes paper-feed and go out paper roller and can rotate synchronously.
15. type printer as claimed in claim 14, wherein said paper-feed is a main wheel, and going out paper roller is a plurality of idle pulleys.
16. type printer as claimed in claim 14, wherein said flexible connector are many belts.
17. type printer as claimed in claim 10, wherein said hydrophobic roller is a plurality of star gears.
18. type printer as claimed in claim 10, wherein said cambered surface are a recessed cambered surface that makes progress.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510072698 CN1865106A (en) | 2005-05-17 | 2005-05-17 | Printing device and its paper feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510072698 CN1865106A (en) | 2005-05-17 | 2005-05-17 | Printing device and its paper feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1865106A true CN1865106A (en) | 2006-11-22 |
Family
ID=37424284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510072698 Pending CN1865106A (en) | 2005-05-17 | 2005-05-17 | Printing device and its paper feeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1865106A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102205746A (en) * | 2010-03-25 | 2011-10-05 | 精工爱普生株式会社 | Recording device |
| CN108367872A (en) * | 2016-01-25 | 2018-08-03 | 惠普发展公司有限责任合伙企业 | Star wheel support |
-
2005
- 2005-05-17 CN CN 200510072698 patent/CN1865106A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102205746A (en) * | 2010-03-25 | 2011-10-05 | 精工爱普生株式会社 | Recording device |
| CN108367872A (en) * | 2016-01-25 | 2018-08-03 | 惠普发展公司有限责任合伙企业 | Star wheel support |
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