CN101205024A - Feed paper agency of adjusting recording media skew condition - Google Patents
Feed paper agency of adjusting recording media skew condition Download PDFInfo
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- CN101205024A CN101205024A CNA2006101686945A CN200610168694A CN101205024A CN 101205024 A CN101205024 A CN 101205024A CN A2006101686945 A CNA2006101686945 A CN A2006101686945A CN 200610168694 A CN200610168694 A CN 200610168694A CN 101205024 A CN101205024 A CN 101205024A
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- paper feed
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Abstract
The invention discloses a paper advance mechanism for the skew status correction of a recording medium, which comprises a paper feeding roller for scrolling the recording medium, a paper feeding idle gear for clamping of the recording medium with the paper feeding roller, a correction skew gate installed at one side of the paper feeding roller and the paper feeding idle gear; the correction skew gate consists of an elastic liner and an elastic element, wherein, the elastic liner is used for stopping the recoding medium to correct the skew status of the recording medium before the recording medium is clamped jointly by the paper feeding roller and the paper feeding idle gear; the elastic element is connected with the correction skew gate to provide elastic force for the correction skew gate; the correction skew gate is connected with the elastic element in rotational form.
Description
Technical field
The present invention relates to a kind of paper feed mechanism, particularly relate to a kind of paper feed mechanism of recoverable recording media skew condition.
Background technology
At facsimile apparatus, chopping machine, and even in the design of multifunctional paper feeding machine,, has a paper feed mechanism usually in order to meet the demand of a large amount of paper operations.The user can put into this paper feed mechanism with a large amount of paper, and paper feed mechanism then can carry out the work of separation, with paper one by one in the feed-in machine, with fax, print, operation such as photomechanical printing.The machine of flying print at present causes the paper deflection because putting the tolerance stack in crooked or the transport process when preventing that paper from entering print area, and then the printing image that results on the paper to be seen is crooked, so can make the deflection of eliminating paper in various manners to reduce the deflection of image before paper enters print area.
The method of present employed correction paper sheet askew, mainly divide into the loop circuit and proofread and correct and open loop correction two big classes, aspect the correction of loop circuit in U.S. Pat 5169140, disclose the relative position that utilizes sensor detecting paper (leading edge) among the US5278624, and will detect the result and return to motor, by the velocity contrast of controlling two motors the paper of deflection is proofreaied and correct, yet because sensor adds that the required part number of motor is more, so cost is higher, and in the control logic aspect because of must first processes sensor transmitting the information of returning, the information that sends again forms a Control Circulation to motor, so its control logic circuit is comparatively complicated.
Moreover, roughly still can be divided into dual mode aspect the correction of loop circuit, being exposed in the paper feed process certain group roller set of control in U.S. Pat 6805347B1, US5678488 stops operating or reverses, so that producing, paper frustrates song (buckle), in order to reduce the rigidity of paper, the paper of deflection is corrected easily, proofreaies and correct paper yet the method often needs the counter-rotating earlier of certain roller set just changeing to spend a certain period again, so can reduce the paper transfer rate; In addition, another kind method can need not to control certain group roller set midway and stop operating or reverse, meaning is the sustainable paper feed action of carrying out, see also Fig. 1 and Fig. 2, Fig. 1 does not promote the scheme drawing of a crooked gate of correction (shutter) 14 as yet in a paper 12 for prior art one paper feed mechanism 10, Fig. 2 is the scheme drawing of prior art paper feed mechanism 10 after paper 12 promotes to proofread and correct crooked gate 14, paper feed mechanism 10 includes proofreaies and correct crooked gate 14, one elastic element 16, one paper-feed (input roller) 18, one paper feed idle pulley (pinch input roller) 20, one paper feed supporting plate 22, and a pickup roller 24.Paper feed supporting plate 22 is used for putting paper 12; Pickup roller 24 is arranged at the front side of paper feed supporting plate 22, is used for scrolling paper 12 to move toward paper-feeds 18 and paper feed idle pulley 20 directions; Paper-feed 18 is used for scrolling paper 12; Paper feed idle pulley 20 is used for and paper-feed 18 common clamping paper 12; Proofread and correct crooked gate 14 and be installed on a side of paper-feed 18 and paper feed idle pulley 20, be used in paper 12, in order to the crooked situation of correction paper 12 by backstop paper 12 before paper-feed 18 and the 20 common clampings of paper feed idle pulley; One end of elastic element 16 is connected in proofreaies and correct crooked gate 14, the other end can be connected in a fixed end (for example coating the housing of paper feed mechanism 10 inner members etc.), be used for providing elastic force to proofreading and correct crooked gate 14, elastic element 16 can be a spring, is to be connected in elastic element 16 in rotating mode and proofread and correct crooked gate 14.
At first paper 12 has been got by pickup roller 24, paper feed path by way of paper feed supporting plate 22, proofread and correct crooked gate 14 and strike, paper 12 must overcome the elastic force of proofreading and correct 14 bonded assembly elastic elements 16 of crooked gate, can promote to proofread and correct crooked gate 14 to enter the engagement place of paper-feed 18 and paper feed idle pulley 20.If paper 12 is for ajusting state, then paper 12 is in touching the engagement place that can overcome the elastic force of elastic element 16 after proofreading and correct crooked gate 14 and enter paper-feed 18 and paper feed idle pulley 20, with so that paper 12 by paper-feed 18 and the 20 common clampings of paper feed idle pulley, enters print area and be transmitted; If paper 12 is an askew status, then monolateral paper (leading edge) can touch earlier proofreaies and correct crooked gate 14, but can't overcome the elastic force of elastic element 16 because of the strength of monolateral paper, instantly paper 12 just can't enter the engagement place of paper-feed 18 and paper feed idle pulley 20, after need waiting until paper 12 elastic deformations, force paper to be ajusted, just there is enough strength to overcome the elastic force of elastic element 16 and enters the engagement place of paper-feed 18 and paper feed idle pulley 20, with so that paper 12 by paper-feed 18 and the 20 common clampings of paper feed idle pulley, enters print area and be transmitted.
Proofread and correct the method for paper sheet askew with respect to other, above-mentioned utilization is proofreaied and correct crooked gate 14 and is cooperated the mechanism of elastic element 16 that lower cost, very fast transfer rate are arranged, and the advantage of simple control logic, but when paper 12 is light, even if may cause paper to ajust but paper 12 still can't overcome the elastic force of elastic element 16 effectively, so the situation that can't promote to proofread and correct crooked gate 14, and the problem of generation paperboard; Or as shown in Figure 2, when paper 12 overcomes the elastic force of elastic element 16 and promotes to proofread and correct crooked gate 14, and after entering the engagement place of paper-feed 18 and paper feed idle pulley 20, owing to being rotated, the crooked gate 14 of correction make its angle of inclination, inclined-plane become big, meaning is that paper 12 diminishes with the angle of proofreading and correct crooked gate 14, then this moment can be too small for the Clamping force of paper 12 because of proofreading and correct crooked gate 14, thus paper 12 easy slippages and depart from normal paper feed path, and the problem of generation paperboard.So how finding out one not only can reduce the cost and but also can effectively reach the solution of proofreading and correct the paper sheet askew effect, the just problem of making great efforts for paper feed mechanism design now.
Summary of the invention
The object of the present invention is to provide a kind of paper feed mechanism of recoverable recording media skew condition, to solve the above problems.
The object of the present invention is achieved like this, promptly disclose a kind of paper feed mechanism of recoverable recording media skew condition, it includes a paper-feed, be used for scrolling recording medium, one paper feed idle pulley, be used for and this recording medium of the common clamping of this paper-feed, one proofreaies and correct crooked gate, be installed on a side of this paper-feed and this paper feed idle pulley, this is proofreaied and correct crooked gate and includes an elastic spacer, be used for this recording medium of backstop before this recording medium is by this paper-feed and the common clamping of this paper feed idle pulley, in order to proofreading and correct the situation of this recording media skew, and an elastic element, be connected in this and proofread and correct crooked gate, be used for that this is proofreaied and correct crooked gate elastic force is provided, this proofreaies and correct crooked gate is to be connected in this elastic element in rotating mode.
Description of drawings
Fig. 1 is the prior art paper feed mechanism does not promote to proofread and correct crooked gate as yet in paper a scheme drawing;
Fig. 2 is the scheme drawing of prior art paper feed mechanism after paper promotes to proofread and correct crooked gate;
Fig. 3 is the scheme drawing of paper feed mechanism of the present invention;
Fig. 4 and Fig. 5 are the schematic appearance of the subelement of paper feed mechanism in different visual angles;
Fig. 6 is the scheme drawing of paper feed mechanism of the present invention after recording medium promotes to proofread and correct crooked gate.
The main element nomenclature
10 paper feed mechanisms, 12 paper
14 proofread and correct crooked gate 16 elastic elements
18 paper-feeds, 20 paper feed idle pulleys
22 paper feed supporting plates, 24 pickup rollers
50 paper feed mechanisms, 52 recording mediums
54 proofread and correct crooked gate 56 elastic elements
58 paper-feeds, 60 paper feed idle pulleys
62 paper feed supporting plates, 64 pickup rollers
66 baffle plates, 68 elastic spacers
The specific embodiment
See also Fig. 3, Fig. 4 and Fig. 5, Fig. 3 is the scheme drawing of the present invention's one paper feed mechanism 50, and Fig. 4 and Fig. 5 are the schematic appearance of the subelement of paper feed mechanism 50 in different visual angles.Paper feed mechanism 50 is applicable to designs such as chopping machine, facsimile apparatus, multifunctional paper feeding machines, the user can put into paper feed mechanism 50 with recording medium 52, paper feed mechanism 50 then can carry out the work of separation, with recording medium 52 one by one in the corresponding machine of feed-in, with print, fax, operation such as photomechanical printing, wherein recording medium 52 is to can be paper or projection etc.Paper feed mechanism 50 includes the crooked gate 54 of at least one correction, at least one elastic element 56, at least one paper-feed 58, at least one paper feed idle pulley 60, a paper feed supporting plate 62, and a pickup roller 64.Paper feed supporting plate 62 is used for putting recording medium 52; Pickup roller 64 is arranged at the front side of paper feed supporting plate 62, is used for scrolling recording medium 52 to move toward paper-feeds 58 and paper feed idle pulley 60 directions; Paper-feed 58 is used for scrolling recording medium 52; Paper feed idle pulley 60 is used for and paper-feed 58 common clamping recording mediums 52; Proofread and correct crooked gate 54 and be installed on a side of paper-feed 58 and paper feed idle pulley 60, proofread and correct crooked gate 54 and include Yi File plate 66, an and elastic spacer 68, be arranged on the baffle plate 66, meaning promptly is recorded on the shock surface of medium 52 collisions, be used in recording medium 52 by backstop recording medium 52 before paper-feed 58 and the 60 common clampings of paper feed idle pulley, use the crooked situation of correction entries medium 52, elastic spacer 68 be can by polyethylene (polyethylene, PE) foam material is formed or is made up of sponge (sponge) material; One end of elastic element 56 is connected in proofreaies and correct crooked gate 54, the other end can be connected in a fixed end (for example coating the housing of paper feed mechanism 50 inner members etc.), be used for providing elastic force to proofreading and correct crooked gate 54, elastic element 56 can be a spring, is to be connected in elastic element 56 in rotating mode and proofread and correct crooked gate 54.
At first recording medium 52 has been got by pickup roller 64, paper feed path by way of paper feed supporting plate 62, and strike set elastic spacer 68 on the baffle plate 66 of proofreading and correct crooked gate 64, recording medium 52 must overcome the elastic force of proofreading and correct 54 bonded assembly elastic elements 56 of crooked gate, can promote to proofread and correct the baffle plate 66 of crooked gate 54 to enter the engagement place of paper-feed 58 and paper feed idle pulley 60.If recording medium 52 is for ajusting state, then recording medium 52 can overcome the elastic force of elastic element 56 and enter the engagement place of paper-feed 58 and paper feed idle pulley 60 after touching the elastic spacer 68 of proofreading and correct crooked gate 54, with so that recording medium 52 by paper-feed 58 and the 60 common clampings of paper feed idle pulley, enters print area and be transmitted; If recording medium 52 is askew status, then the monolateral leading edge of recording medium 52 can touch set elastic spacer 68 on the baffle plate 66 of proofreading and correct crooked gate 54 earlier, but one time of strength of the monolateral leading edge of recording medium 52 there is no the elastic force that method overcomes elastic element 56 at this moment, after need waiting until recording medium 52 elastic deformations, force the leading edge of recording medium 52 to be ajusted, just have enough strength to overcome the elastic force of elastic element 56.Yet in this process, because but elastic spacer 68 is the elastomeric material (as polyethylene foam material or sponge material) of deformation, the elastic spacer 68 depression deformation so recording medium 52 can be bestowed elastic spacer 68 1 pressure, elastic spacer 68 can provide certain that the more power of seizing on both sides by the arms and friction force rest on the leading edge of recording medium 52 shock surface of elastic spacer 68 thus, when the leading edge of recording medium 52 is arranged in a straight line by the time, recording medium 52 can overcome the elastic force of elastic element 56 and enter the engagement place of paper-feed 58 and paper feed idle pulley 60, with so that recording medium 52 by paper-feed 58 and the 60 common clampings of paper feed idle pulley, enters print area and be transmitted.
Overcome the elastic force of elastic element 56 and promote to proofread and correct crooked gate 54 and work as recording medium 52, and after entering the engagement place of paper-feed 58 and paper feed idle pulley 60, proofreading and correct crooked gate 54 this moment can be rotated and make its angle of inclination, inclined-plane become big, meaning is that recording medium 52 diminishes with the angle of proofreading and correct crooked gate 54, see also Fig. 6, Fig. 6 is the scheme drawing of paper feed mechanism 50 of the present invention after recording medium 52 promotes to proofread and correct crooked gate 54, because certain that elastic spacer 68 can provide the more power of seizing on both sides by the arms and friction force the leading edge of recording medium 52 to be rested on the shock surface of elastic spacer 68, and then hold the leading edge of recording medium 52, so recording medium 52 can slippage and depart from normal paper feed path, and can solve the problem of paperboard effectively.
Be compared to prior art, paper feed mechanism of the present invention be utilize install additional elastic spacer in proofreading and correct design on the crooked gate skew condition of correction entries medium effectively, and this mechanism design can increase Clamping force and the friction force of proofreading and correct crooked gate clamping recording medium, the former Applicable scope that has elastic component so can increase effectively, meaning is applicable lighter recording medium, and the problem of paperboard can not take place, so paper feed mechanism of the present invention has lower cost, very fast transfer rate, simple control logic, and the advantage that is difficult for taking place the paperboard problem.
The above only is preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (7)
1. paper feed mechanism, it includes:
One paper-feed (input roller) is used for scrolling recording medium;
One paper feed idle pulley (pinch input roller) is used for and this recording medium of the common clamping of this paper-feed;
One proofreaies and correct crooked gate (shutter), be installed on a side of this paper-feed and this paper feed idle pulley, this is proofreaied and correct crooked gate and includes an elastic spacer, be used for this recording medium of backstop before this recording medium is by this paper-feed and the common clamping of this paper feed idle pulley, in order to proofread and correct the situation of this recording media skew; And
One elastic element is connected in this and proofreaies and correct crooked gate, is used for that this is proofreaied and correct crooked gate elastic force is provided, and this proofreaies and correct crooked gate is to be connected in this elastic element in rotating mode.
2. paper feed mechanism as claimed in claim 1, wherein the crooked gate of this correction comprises a baffle plate in addition, and this elastic spacer is arranged on this baffle plate.
3. paper feed mechanism as claimed in claim 1, wherein this elastic spacer is that (polyethylene, PE) foam material is formed by polyethylene.
4. paper feed mechanism as claimed in claim 1, wherein this elastic spacer is made up of sponge (sponge) material.
5. paper feed mechanism as claimed in claim 1, wherein this elastic spacer is used for continuing this recording medium of backstop after this recording medium is by this paper-feed and the common clamping of this paper feed idle pulley, proofreaies and correct crooked gate landing in order to avoid this recording medium by this.
6. paper feed mechanism as claimed in claim 1, wherein this elastic element is a spring.
7. paper feed mechanism as claimed in claim 1, it includes in addition:
One paper feed supporting plate is used for putting this recording medium; And
One pickup roller is arranged at the front side of this paper feed supporting plate, is used for this recording medium of scrolling to move toward this paper-feed and this paper feed idle pulley direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101686945A CN101205024A (en) | 2006-12-22 | 2006-12-22 | Feed paper agency of adjusting recording media skew condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101686945A CN101205024A (en) | 2006-12-22 | 2006-12-22 | Feed paper agency of adjusting recording media skew condition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101205024A true CN101205024A (en) | 2008-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006101686945A Pending CN101205024A (en) | 2006-12-22 | 2006-12-22 | Feed paper agency of adjusting recording media skew condition |
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| Country | Link |
|---|---|
| CN (1) | CN101205024A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102951471A (en) * | 2011-08-22 | 2013-03-06 | 佳能株式会社 | Sheet conveying apparatus and image forming apparatus |
-
2006
- 2006-12-22 CN CNA2006101686945A patent/CN101205024A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102951471A (en) * | 2011-08-22 | 2013-03-06 | 佳能株式会社 | Sheet conveying apparatus and image forming apparatus |
| CN102951471B (en) * | 2011-08-22 | 2015-08-12 | 佳能株式会社 | Sheet material deflection feeding correct equipment, deflection feeding correct equipment and imaging device |
| US9428356B2 (en) | 2011-08-22 | 2016-08-30 | Canon Kabushiki Kaisha | Sheet skew feed correction apparatus, image forming apparatus and skew feed correction apparatus |
| US9815650B2 (en) | 2011-08-22 | 2017-11-14 | Canon Kabushiki Kaisha | Sheet skew feed correction apparatus, image forming apparatus and skew feed correction apparatus |
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Open date: 20080625 |