CN101497248A - Paper processing apparatus - Google Patents
Paper processing apparatus Download PDFInfo
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- CN101497248A CN101497248A CNA2009100028218A CN200910002821A CN101497248A CN 101497248 A CN101497248 A CN 101497248A CN A2009100028218 A CNA2009100028218 A CN A2009100028218A CN 200910002821 A CN200910002821 A CN 200910002821A CN 101497248 A CN101497248 A CN 101497248A
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- paper
- rotary body
- processing apparatus
- roller
- conveyance
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Abstract
The invention provides a paper processing device for forming appropriate bending at the predeterminate folding position on the paper and reducing the folding error. The paper processing device comprises a paper conveying route configured with a first rotating body pair and a second rotating body pair for conveying the paper; a branching route formed by branching the paper conveying routes between the first rotating body pair and the second rotating body pair; a leading rotating body pair provided at the branching route for leading in the paper conveyed in the paper conveying route; a controlling portion for forming a being portion along the branching portion on the paper by controlling the first rotating body pair and the second rotating body pair; a bending adjusting portion for clamping the branching portion; wherein, the leading rotating body pair processes paper by leading in the adjusted being portion.
Description
Technical field
The present invention relates to a kind of paper processing apparatus that uses rotary body to the processing paper.
Background technology
In the past, paper processing apparatus was arranged on the devices such as duplicator or printer with external or built-in form, was used for forming image on the paper or the paper after the printing being carried out paper folding.Existing paper processing apparatus will be from the folding back of the paper that duplicator or printer etc. are discharged direct row's paper, perhaps after folding conveyance to ordering paper apparatus etc. as next operation.
This paper processing apparatus is provided with a pair of paper folding roller that connects on the path of conveyance paper right, by with this roller to the position of broken line of clamping the paper of conveyance on the path and send successively, thereby folded sheet.The method of making position of broken line comprises, and uses towards the right folder portion (nip) of paper folding roller mobile extrusion parts (shredding machine, method chopper); By the restriction paper front end or rear end make paper bending, and to the paper folding roller to introducing the method for this crooked paper.Though the former can make position of broken line more accurately than the latter owing to need set up the extrusion parts, therefore aspect cost or paper processing apparatus big or small inferior to the latter.
At this, in the latter's method, limit the front end of paper or the method for rear end in order to make paper bending, comprise according to the method for the contact component of physics and the method right according to roller.
Example according to the method for the contact component of physics is disclosed in open 2006-213473 number of the Japan Patent.
Following technology is disclosed in this patent documentation, being included in sheet material, to make a paper folding roller of first broken line right, another paper folding roller of making second broken line at sheet material is right, bring in a contact component that positions before the conveyance direction of sheet material by the contact conveyance, carry out another contact component of the location of sheet material by first broken line of contact sheet, make a sheet material contact component of contact and form first bending, and be introduced between the right folder portion of paper folding roller and make first broken line, make the sheet material of making first broken line contact another contact component and form second bending, and be introduced between the right folder portion of another paper folding roller and make second broken line, a described contact component and another contact component are freely removable on the conveyance direction, thereby when sheet material is carried out Z-folded, can freely change position of broken line.
The example that Japan Patent discloses 2003-118932 number or Japan Patent openly discloses according to the right method of roller for 2006-76777 number.The folder portion right with roller keeps the front end of sheet material or the precalculated position of rear end side, sends paper simultaneously successively from the other end, makes the precalculated position bending of sheet material.The paper folding roller just becomes position of broken line to the position of this sweep of introducing.
But disclosed method need be set up parts (contact component) in open 2006-213473 number of the Japan Patent.
Japan Patent discloses 2003-118932 number or Japan Patent discloses disclosed method in 2006-76777 number, though do not need to set up parts, be better than other method at cost or as the aspects such as size of paper folding apparatus, but compare with using the method that extrudes parts, have the problem of the low precision of paper folding position.
Exist the reason of this problem to be because the influence of paper thickness, if just make the predetermined paper folding position of paper stop at the position of paper folding roller, then at the paper folding roller when introducing the sweep of paper, it is big that error becomes.Usually, the space of crooked paper is bigger, so that the paper folding roller is difficult to the sweep that crooked ground paper is opened to also introducing.Therefore the space that the sweep that causes forming on paper is escaped out becomes big, makes local crooked (complications) beyond the target at thin paper Zhang Keneng, and the paper folding roller is difficult to reach evenly (referring to Fig. 8) to the bending position of introducing.
In addition, paper processing apparatus is outside if any one built-in occasion is set up parts such as conveyance roller or paper folding roller usually specially on the parts of the necessity that forms image.
Summary of the invention
The present invention proposes in order to solve aforesaid problem, and it is a kind of at predetermined folding position bending paper that its purpose is to provide, and the little paper processing apparatus of folding error.
According in the claim 1 record the present invention, comprise: the sheet carrying path, dispose be used for the conveyance paper first rotary body to right with second rotary body; The fork path, by first rotary body to and second rotary body between branched portion and form from sheet carrying path fork; The introducing rotary body that is arranged on the fork path is right, is used for being introduced in the paper of sheet carrying path conveyance; Also comprise, control part by controlling first rotary body to right with second rotary body, forms the bend along described branched portion on paper; Be located at the crooked adjustment part of branched portion side, adjust formed bend by clamping branched portion; Wherein, introduce rotary body to processing paper by introducing the bend of being adjusted.
According to the present invention of record in the claim 2, in the described paper processing apparatus of claim 1, be included on the paper image forming part that forms image, double as counter-rotating conveyance path, fork path, paper and form image on the two sides of this paper is used to reverse.
According to the present invention of record in the claim 3, in claim 1 or 2 described paper processing apparatus, crooked adjustment part changes the degree of clamping branched portion according to paper.
The present invention according to record in the claim 4, in any described paper processing apparatus in claim 1 to 3, comprise the test section that is used to detect the paper thickness of conveyance on the sheet carrying path, crooked adjustment part changes the degree of clamping branched portion according to the testing result of test section.
The present invention according to record in the claim 5, in any described paper processing apparatus in claim 1 to 4, comprise the position acquisition portion that is arranged in the sheet carrying path, be used to obtain the position of paper, it is right that control part stops second rotary body according to the position of the paper that is obtained, and forms bend with this on paper.
According to the present invention of record in the claim 6, in the described paper processing apparatus of claim 5, it is right that control part stops second rotary body according to the position of the paper that is obtained, and carry out reverse rotation, forms bend with this on paper.
The present invention according to record in the claim 7, in any described paper processing apparatus in claim 1 to 6, introduce rotary body to be can positive and negative rotation structure, according to the introducing time of the degree change paper of processing paper, carry out reverse rotation simultaneously and discharge processed paper.
According to the present invention, a kind of paper processing apparatus can be provided, this paper processing apparatus can form suitable bend in predetermined folding position on paper, and makes folding error few.
Description of drawings
Fig. 1 is the functional structure chart of expression according to the paper processing apparatus of first embodiment of the invention.
Fig. 2 is the figure of expression according to the configuration example of the control part in the paper processing apparatus of first embodiment of the invention.
Fig. 3 is the flow chart of the action of expression first embodiment of the invention.
Fig. 4 is the figure of the sheet processing of expression first embodiment of the invention.
Fig. 5 is the figure of the functional structure of the paper processing apparatus of expression second embodiment of the invention.
Fig. 6 is illustrated in the figure that only has crooked restriction guide portion in second embodiment of the present invention in the paper rear end side of bending.
Fig. 7 is the figure of expression according to the functional structure of the paper processing apparatus of third embodiment of the invention.
Fig. 8 is the figure of the structure of the existing paper processing apparatus of expression.
Main symbol description:
1 is that first roller is right, and 2 is that second roller is right, and 3 is that the 3rd roller is right, and 4 is the first sheet carrying path, 5 is the second sheet carrying path, and 6 is crooked restriction guide portion, and 7 is the curved space, 8 is paper detecting sensor, and 9 is the paper sheet thickness detecting sensor, and 100 is paper processing apparatus.
Preferred forms of the present invention
Fig. 1 is the functional structure chart of expression according to the paper processing apparatus 100 of first embodiment of the invention.
The paper processing apparatus of present embodiment comprises as right first roller of first rotary body 1, as right second roller of second rotary body to 2, as introducing the 3rd right roller of rotary body to 3, the first sheet carrying path 4 as the sheet carrying path, the second sheet carrying path 5 as minute branch road warp, bending restriction guide portion 6 as crooked adjustment part, as the branched portion between the first sheet carrying path and the second sheet carrying path and have the curved space 7 of crooked restriction guide portion 6, paper detecting sensor 8 and as the paper sheet thickness detecting sensor 9 of test section.In addition, also comprise be used to control first roller to 1, second roller to 2, the control part 20 (not shown) of each inscape such as crooked restriction guide portion 6, be used to import user instruction and it be delivered to the user interface 10 (not shown) of control part 20.
First roller is all connected by two rollers in the first sheet carrying path 4 to 2 to 1 and second roller and constitutes.
At this, crooked restriction guide portion 6 is as long as energy limit flexion shape can be made of any material.For example, can use plastics or rubber, especially rubber has great friction coefficient, therefore preferably uses rubber to limit the bending of paper.The position and the angle of crooked restriction guide portion 6 can or be carried out N (more than the N=2) stage by the user and regulate by not shown motor or spring.
And crooked in order more correctly to adjust in the present embodiment, the two sides of the top of form of the bend in the curved space 7 and paper rear end side all are provided with crooked restriction guide portion 6.But, also can be arranged on any side.
And paper detecting sensor 8 for example can use contact-type (feeler) sensor to realize.At this, the position of paper detecting sensor 8 also can be located at first roller on the conveyance direction to 1 upstream.
Paper sheet thickness detecting sensor 9 is the sensor of the paper thickness that is used to detect conveyance.Paper sheet thickness detecting sensor 9 is arranged on the position that can cover the light of light-emitting component irradiation with paper with photo detectors such as light-emitting component such as LED and photodiodes, detects paper sheet thickness by the percent of pass of light.At this, when employing was indicated the structure of input paper sheet thickness by user interface 10 by the user, the unusable paper thickness detecting sensor 9.
Fig. 2 is the configuration example of the control part 20 in the expression paper processing apparatus 100.
As the CPU of central control part 21 based on from the various data of interface 22 inputs or be stored in data the memory 26, the crooked restriction guiding of control adjustment part 23, first motor 24, second motor 25 and timer 27.
Paper sheet thickness that crooked restriction guiding adjustment part 23 is detected according to paper sheet thickness detecting sensor 9 or the position of adjusting the bending restriction guide portion of representing among Fig. 16 by the paper sheet thickness of user interface 10 indication inputs.
Paper position detecting sensor 26 receives the paper detecting sensor of representing Fig. 18 from paper detecting sensor 8 and detects the signal of conveyance to the front end of the paper in the first sheet carrying path 4, and sends to central control part 21.Central authorities' control part 21 can be right according to each roller of representing among the signal that receives by paper position detecting sensor 26 and Fig. 1 rotation amount and roller radius, hold the computed carrier amount of paper.
ROM, RAM as memory 27 are used for store various kinds of data.Memory 27 be used for storage for example according to the size of paper category (A3, A4, recycled writing paper, high quality paper etc.), thickness and from paper detecting sensor 8 to the curved space 7 distance.
The paper detecting sensor 8 that timer 28 is used for calculating chart 1 expression detects the time that the front end of paper begins, and is delivered to central control part 21.
Below, be the action of boundary during according to the flowchart text of Fig. 3 with the central authorities of paper with paper two foldings.
At first, detect the paper thickness (S301, S302) of conveyance by paper sheet thickness detecting sensor 9.
Secondly, adjust the position (S303) of crooked restriction guide portion 6 according to paper sheet thickness by bending restriction guiding adjustment part 23.More specifically, when the paper sheet thickness that is detected by paper sheet thickness detecting sensor 9 during, think that paper is crooked easily less than a reference value.Therefore, in order to be acute angle with paper bending further, the position of bending being limited guide portion 6 moves to the position (for example, the dotted line position of Fig. 1) of clamping the curved space 7.
And, by second roller to 2 further conveyances by the paper (S304) of first roller to 1 conveyance in the first sheet carrying path 4.
If making the length of paper is L, 7 distance is S from paper detecting sensor 8 to the curved space, then detects top of form from paper detecting sensor 8, with sheet carrying to distance (L ÷ 2)+S (S305, S306).At this, detect top of form with timer 28 timing from paper detecting sensor 8, with the time of above-mentioned distance, judge thus whether the central portion of paper is arrived the curved space 7 by conveyance divided by conveyance speed (=angular speed * roller radius).
In view of the above, make the central portion of paper arrive the fork position in the first sheet carrying path 4 and the second sheet carrying path 5.At this moment, make second roller to 2 reverse rotations (S307),, therefore form bending at paper because paper is released from the front and the rear end side of paper by second motor 25.
Form bending according to above-mentioned processing in the central authorities of paper, form correct curved shape by bending restriction guide portion 6.At this moment, introduce the bend and the crimping of paper by the 3rd roller to 3, thereby carry out paper folding (S308) at the middle position of paper.
Expression state at this moment among Fig. 4.
Secondly, second embodiment of the present invention is described.Fig. 5 is the figure of expression as the structure of the paper processing apparatus of the image processing system of the paper folding function with present embodiment.
The paper processing apparatus of present embodiment comprises image forming part 501, paper incorporating section 502, row's paper portion 503.In image forming part 501, on the paper that is housed in paper incorporating section 502, form image, discharge to row's paper portion 503.Row's paper portion 503 has the above-mentioned paper folding function that illustrates in the first embodiment.That is, compare with the paper processing apparatus of representing in above-mentioned first embodiment, its main distinctive points is, has set up as the image forming part 501 and the paper incorporating section 502 that are used to form the mechanism of image.
This row's paper portion 503 comprises as corresponding to the photographic fixing roller 51 of first roller in above-mentioned first embodiment to 1 first rotary body, as corresponding to exit roller 52 of second roller in above-mentioned first embodiment to 2 second rotary body, as corresponding to the paper folding roller 53 of the 3rd roller in above-mentioned first embodiment to 3 introducing rotary body, as the first sheet carrying path 54 corresponding to the sheet carrying path in the first sheet carrying path 4 in above-mentioned first embodiment, as conveyance path, two sides 55 corresponding to the counter-rotating conveyance path in the second sheet carrying path 5 in above-mentioned first embodiment, the curved space 57 corresponding to the curved space 7 of above-mentioned first embodiment, corresponding to the grate paper-arranaging sensor 58 of the paper detecting sensor 8 of above-mentioned first embodiment, and as the paper sheet thickness detecting sensor 59 corresponding to the sensor of the paper sheet thickness detecting sensor 9 of above-mentioned first embodiment.In addition, also comprise the control part 80 (not shown) that is used to control each inscape such as photographic fixing roller 51, exit roller 52, crooked restriction guide portion 56, be used to import user's indication and transmit the user interface 70 (not shown) of this indication to control part 80.
The paper processing apparatus of present embodiment has the function of two-face printing, when two-face printing, makes paper counter-rotating conveyance (switchback, zigzag circuit) on conveyance path, two sides.That is,, therefore has the paper processing apparatus of the image processing system of paper folding function as the space-efficient because conveyance path, two sides 55 double as are the second sheet carrying path that is used for paper folding.And, in the present embodiment and since the first sheet carrying path 54 in the curved space 57 with curved space position as basic point and bending, and the top of form of bending itself can be supported in the first sheet carrying path 54.
In order to change the size of the curved space 57, to crooked restriction guide portion be set in a side at least, therefore only crooked restriction guide portion 56 (referring to Fig. 6) is set in the paper rear end side of bending.
At this, shown in above-mentioned first embodiment, though can obtain the curved space of more suitable shape, size when bending restriction guide portion is set in both sides, but because the space of crooked restriction guide portion or cost and paper folding precision are set is the relation of balance (trade-off), therefore can change structure according to the project of paying attention to.
And, exit roller 52 and paper folding roller 53 be connected in can the stepper motor of positive and negative rotation on.
The following describes the order when determining the folding position as benchmark with top of form.
At first, by photographic fixing roller 51 towards first row's paper disc 60 conveyance paper, up to detecting top of form by grate paper-arranaging sensor 58.Exit roller 52 is also towards the direction rotation with sheet carrying to the first row paper disc 60.
Detect top of form from grate paper-arranaging sensor 58, pick up counting, limit top of form through stopping exit roller 52 after the scheduled time by timer.
The so-called scheduled time is, when the length of paper is made as L, being made as S, when the distance from fork position to the folder portion of paper folding roller 53 is made as D, detects top of form from grate paper-arranaging sensor 58 and begin with the time of sheet carrying apart from (L ÷ 2)+S-D from the distance of paper sensor 58 to first sheet carrying paths 54 with the fork position in conveyance path, two sides 55.Because only releasing the paper rear end side in the present embodiment forms bending, therefore compare with above-mentioned first embodiment, stop ahead of time corresponding to amount from the fork position to the distance of the folder portion of paper folding roller 53.
Step afterwards is identical with the content shown in above-mentioned first embodiment.
At this, also the position of grate paper-arranaging sensor 58 can be arranged on position than photographic fixing roller 51 more close paper incorporating sections 502, determine the folding position with the paper rearward end as benchmark.
Introducing crooked paper and after the folded sheet, making exit roller 52 and paper folding roller 53 by paper folding roller 53, thereby paper is being discharged to first row's paper disc 60 towards direction rotation with sheet carrying to the first row paper disc 60.Make exit roller 52 and paper folding roller 53 towards the time that the direction of sheet carrying to the first row paper disc 60 is rotated by control, can make paper be discharged to first row's paper disc 60, also can make paper be discharged to first row's paper disc 60 with folding state with the state that only produces broken line.
Promptly, in beginning to arrive time till the curved space 57 from paper folding roller 53 folded sheets to the rear end of paper, by making the direction rotation of exit roller 52 and paper folding roller 53, thereby can only on paper, form the state row paper of broken line towards first row's paper disc, 60 conveyance paper.If after the rear end of paper arrives the curved space 57, exit roller 52 and paper folding roller 53 are rotated to the direction of sheet carrying to the first being arranged paper disc 60, then since with the merged state in the front-end and back-end of paper with sheet carrying to the first row paper disc 60, thereby the state row paper that is folded with paper.
Secondly, the 3rd embodiment of the present invention is described.Fig. 7 has the figure as the structure of the paper processing apparatus of image processing system of the paper folding function of present embodiment for expression.
Fig. 7 for row's paper end in the conveyance path, two sides 55 of paper processing apparatus that will represent in above-mentioned second embodiment as second example of arranging paper disc 70.
After the folded sheet, paper is arranged paper disc 70 with this state by conveyance to the second by the bend of paper folding roller 53 introducing paper.As long as paper folding roller 53 can not possess reverse rotation or separated structures towards the direction rotation to second row's paper disc, 70 conveyance paper.
At this, the respective embodiments described above are preferred forms of the present invention, under the situation that does not break away from invention thought of the present invention, can carry out various changes.Paper processing apparatus can also be applied to duplicator, printer etc.
Claims (7)
1, a kind of paper processing apparatus is characterized in that, comprise,
The sheet carrying path, dispose be used for the conveyance paper first rotary body to right with second rotary body;
The fork path, by described first rotary body to and described second rotary body between branched portion and form from described sheet carrying path fork;
The introducing rotary body that is arranged on described fork path is right, is used for being introduced in the paper of described sheet carrying path conveyance;
Also comprise,
Control part by controlling described first rotary body to right with described second rotary body, forms the bend along described branched portion on paper;
Be located at the crooked adjustment part of described branched portion side, adjust formed described bend by clamping described branched portion;
Wherein, described introducing rotary body is to processing paper by introducing the described bend of being adjusted.
2, paper processing apparatus according to claim 1 is characterized in that,
Be included in the image forming part that forms image on the paper,
Described fork path double as counter-rotating conveyance path, paper and form image on the two sides of this paper is used to reverse.
3, paper processing apparatus according to claim 1 and 2 is characterized in that, described crooked adjustment part changes the degree of clamping described branched portion according to paper.
4, according to any described paper processing apparatus in the claim 1 to 3, it is characterized in that,
Comprise the test section that is used to detect the paper thickness of conveyance on described sheet carrying path,
Described crooked adjustment part changes the degree of clamping described branched portion according to the testing result of described test section.
5, according to any described paper processing apparatus in the claim 1 to 4, it is characterized in that,
Comprise the position acquisition portion that is arranged in the described sheet carrying path, be used to obtain the position of paper,
It is right that described control part stops described second rotary body according to the position of the paper that is obtained, and forms bend with this on paper.
6, paper processing apparatus according to claim 5 is characterized in that, it is right that described control part stops described second rotary body according to the position of the paper that is obtained, and carry out reverse rotation, forms crooked on paper with this.
7, according to any described paper processing apparatus in the claim 1 to 6, it is characterized in that, described introducing rotary body to be can positive and negative rotation structure, change introducing time of paper according to the degree of processing paper, carry out reverse rotation simultaneously and discharge processed paper.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008016667 | 2008-01-28 | ||
| JP2008016667 | 2008-01-28 | ||
| JP2009005861 | 2009-01-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101497248A true CN101497248A (en) | 2009-08-05 |
Family
ID=40944622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100028218A Pending CN101497248A (en) | 2008-01-28 | 2009-01-24 | Paper processing apparatus |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5233689B2 (en) |
| CN (1) | CN101497248A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103879831A (en) * | 2012-12-20 | 2014-06-25 | 株式会社理光 | Sheet Folding Apparatus, Image Forming Apparatus, And Image Forming System |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015151247A (en) * | 2014-02-18 | 2015-08-24 | コニカミノルタ株式会社 | Sheet folding apparatus and image forming apparatus |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2853669B2 (en) * | 1996-07-26 | 1999-02-03 | 富士ゼロックス株式会社 | Paper folding device |
| JP2004338918A (en) * | 2003-05-19 | 2004-12-02 | Konica Minolta Business Technologies Inc | Paper folding method, paper folding device, and image forming device |
| JP4174521B2 (en) * | 2006-04-04 | 2008-11-05 | 株式会社ゴス グラフイック システムズ ジャパン | Rotary printing machine folding machine |
-
2009
- 2009-01-14 JP JP2009005861A patent/JP5233689B2/en not_active Expired - Fee Related
- 2009-01-24 CN CNA2009100028218A patent/CN101497248A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103879831A (en) * | 2012-12-20 | 2014-06-25 | 株式会社理光 | Sheet Folding Apparatus, Image Forming Apparatus, And Image Forming System |
| CN103879831B (en) * | 2012-12-20 | 2016-04-27 | 株式会社理光 | Paper folding apparatus, imaging device and imaging system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2009203075A (en) | 2009-09-10 |
| JP5233689B2 (en) | 2013-07-10 |
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Application publication date: 20090805 |