CN105460672A - Image forming device and paper discharging mechanism thereof - Google Patents
Image forming device and paper discharging mechanism thereof Download PDFInfo
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- CN105460672A CN105460672A CN201410452414.8A CN201410452414A CN105460672A CN 105460672 A CN105460672 A CN 105460672A CN 201410452414 A CN201410452414 A CN 201410452414A CN 105460672 A CN105460672 A CN 105460672A
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Abstract
The invention discloses an image forming device and a paper discharging mechanism thereof. The paper discharging mechanism comprises a first tray, a pushing part, a second tray, a pressure part and a protrusion part, wherein the first tray is used for bearing paper discharged from a paper outlet in the discharging direction; the pushing part is used for pushing out the paper on the first tray in the paper discharging direction; the second tray is located on the downstream part of the first tray in the paper discharging direction to bear the paper pushed out by the pushing part, and the upstream end of the second tray is lower than the downstream end of the first tray; the pressure part is used for pressing the paper on the first tray; the protrusion part is located on the side, near the second tray, of the first tray in the paper discharging direction, and the paper can be supported on the protrusion part when discharged in the paper discharging direction and forms an arch shape extending in the paper discharging direction. The novel paper discharging mechanism is invented and does not damage paper, and the problem that the waist part collapses when the paper is discharged in the paper discharging direction is avoided.
Description
Technical field
The present invention relates to a kind of image processing system and paper-discharge mechanism thereof.
Background technology
Along with making rapid progress of science and technology, the mankind enter the information age already, computer peripheral product and other associated picture forming apparatuss, as the all-in-one multifunctional machine (MFP) of the functions such as duplicator, chopping machine, scanner, facsimile apparatus, photoprinter or collection duplicating, scanning, printing and fax, not only can help the efficiency of promoting people's process information, also accelerate interpersonal communication.
Along with user's user demand is more and more diversified, the function of conventional images forming apparatus is not limited only to form image on paper, and it can also realize following function: carry out post-processing to the paper being formed with image.Such as, described post-processing can be punching, bookbinding, clamping etc.
The existing image processing system that can realize above-mentioned post-processing function comprises paper-discharge mechanism.As shown in Figure 1, described paper-discharge mechanism comprises: the first pallet 1, for carrying the paper of discharging from image processing system paper output (not shown) along discharge direction A; Launched portion 2, for releasing the paper P (quantity be or more) on the first pallet 1 along ADF direction B; Second pallet 3, for carrying the paper P released by launched portion 2, along ADF direction B, the second pallet 3 is positioned at the downstream of the first pallet 1, and the upstream extremity of the second pallet 3 is lower than the downstream end of the first pallet 1.
The paper being formed with image discharges rear stow on the first pallet 1 from paper output, after carrying out post-processing, utilizes launched portion 2 to be pushed out on the second pallet 3 by the paper P on first pallet 1 to the paper P on the first pallet 1.
But, there is following problems in the paper-discharge mechanism of above-mentioned conventional images forming apparatus: is pushed out in the process of the second pallet 3 utilizing launched portion 2 by the paper P on the first pallet 1, if paper P in quire or clamping, then paper likely can crooked (namely no longer fit completely with launched portion 2 in the rear end of paper), causes paper P fitly to discharge.
In order to solve this problem, applicant has the paper-discharge mechanism proposing a kind of improvement, difference between the paper-discharge mechanism improved and existing paper-discharge mechanism is: as shown in Figure 2, the paper-discharge mechanism improved also comprises pressure portion 4, utilizing launched portion 2, the paper P on first pallet 1 is pushed out in the process of the second pallet 3, pressure portion 4 is pressed in the upper surface of paper P, paper P can be fitted with launched portion 2 all the time completely, and then paper P can fitly be released.When launched portion 2 stops pushing paper P, pressure portion 4 discharges, and is no longer pressed on paper P.
But there is following problems again in the paper-discharge mechanism of improvement:
1) when paper P discharges along ADF direction B, after the front end of paper P departs from the first pallet 1, under the effect of paper P self gravitation, the front end of paper P can bend, and be pushed out portion 2 and push on the second pallet 3, second pallet 3 can resist the front end of paper P, causes the front end of paper P to be damaged.
2) as shown in Figure 3, when paper P discharges along ADF direction B, under the combined action that paper P self gravitation and the second pallet 3 pairs of paper P front ends are resisted, the waist of paper P can subside, the part opposed front end namely in paper P between front-end and back-end, rear concave end.So not only can cause paper P (namely launched portion 2 stops pushing paper P) before discharging completely, pressure portion 4 is deviate from the rear end of paper P, so that paper P cannot discharge smoothly, but also can cause: as shown in Figure 4, even if paper P discharges smoothly, the rear end of paper P can be placed on the second pallet 3 with case of bending, can affect the discharge of next paper and the accessibility in stowage of the second pallet 3.
Summary of the invention
The object of the invention is: provide a kind of new paper-discharge mechanism, this paper-discharge mechanism can not cause damage to paper, the problem that when also there will not be paper to discharge along ADF direction, waist subsides.
A kind of paper-discharge mechanism provided by the present invention comprises:
First pallet, for carrying the paper of discharging from paper output along discharge direction;
Launched portion, for releasing the paper on described first pallet along ADF direction;
Second pallet, is positioned at the downstream of described first pallet along described ADF direction, to carry the paper released by described launched portion, the upstream extremity of described second pallet is lower than the downstream end of described first pallet;
Pressure portion, for pushing down the paper on described first pallet;
Jut, to be positioned on described first pallet along described ADF direction near the side of the second pallet, and paper can be supported on described jut when described ADF direction is discharged, and forms the shape that arches upward extended along ADF direction.
Optionally, described protruding part is expelled to outside the ADF path of the first pallet in paper from paper output.
Optionally, described protruding part is expelled on the ADF path of the first pallet in paper from paper output;
Described jut has the slope along described discharge direction towards described paper output, and described slope and described carrying surface intersect obtuse angle.
Optionally, the end face of described jut along described ADF direction near described second pallet is triangle; Or the profile of described end face is parabola shaped.
Optionally, the quantity of described jut is multiple, and multiple described jut is spaced along the direction vertical with described ADF direction.
Optionally, also comprise: be positioned at the protuberance on described second pallet carrying surface, be expelled on the ADF path of the second pallet at paper from described first pallet, described protuberance and jut are located on the same line.
Optionally, the quantity of described protuberance is multiple, and multiple described protuberance is spaced along the direction vertical with described ADF direction.
Optionally, the quantity in described jut and pressure portion differs one, and along the direction vertical with described ADF direction, described jut and pressure portion are staggered.
In addition, present invention also offers a kind of image processing system, comprising: above-mentioned arbitrary described paper-discharge mechanism.
Optionally, the guidance panel of described second pallet and image processing system is positioned at the same side.
Compared with prior art, technical scheme of the present invention has the following advantages:
Utilizing launched portion, the paper on the first pallet is pushed out in the process of the second pallet, under the combined action of pressure portion and jut, the paper be supported on jut can form the shape that arches upward extended along ADF direction, enhance the intensity of paper on ADF direction, the amount of bow that top of form is departed from after the first pallet reduces, comparatively flatly can push on the second pallet, reduce the resistant function of the second pallet to top of form, and then reduce the damage of paper.In addition, also avoid the problem that when occurring that paper is discharged along ADF direction, waist subsides.
Accompanying drawing explanation
Fig. 1 is the simplified structure schematic diagram of the paper-discharge mechanism of existing a kind of image processing system, wherein, figure (a) is paper-discharge mechanism along the simplified structure schematic diagram looked over perpendicular to the first pallet direction, and figure (b) is paper-discharge mechanism along the simplified structure schematic diagram being parallel to discharge direction and looking over;
Fig. 2 is the structural representation of the paper-discharge mechanism of a kind of improvement that applicant proposes;
Fig. 3 is the one inefficacy schematic diagram of paper-discharge mechanism shown in Fig. 2;
Fig. 4 is the another kind inefficacy schematic diagram of paper-discharge mechanism shown in Fig. 2;
Fig. 5 is the perspective view of paper-discharge mechanism in the first embodiment of the present invention;
Fig. 6 is the working state schematic representation that paper-discharge mechanism shown in Fig. 5 discharges paper;
Fig. 7 is paper-discharge mechanism shown in Fig. 5 along the structural representation being parallel to discharge direction and looking over;
Fig. 8 is paper-discharge mechanism shown in Fig. 5 along the structural representation being parallel to ADF direction and looking over;
Fig. 9 is the partial enlarged drawing in P region in Fig. 5;
Figure 10 is the simplified structure schematic diagram that in the second embodiment of the present invention, paper-discharge mechanism edge looks over perpendicular to the first pallet direction;
Figure 11 is the three-dimensional structure diagram of image processing system in one embodiment of the present of invention;
Figure 12 is the simplified structure schematic diagram that in the third embodiment of the present invention, paper-discharge mechanism edge looks over perpendicular to the first pallet direction.
Detailed description of the invention
For enabling above-mentioned purpose of the present invention, feature and advantage more become apparent, and are described in detail specific embodiments of the invention below in conjunction with accompanying drawing.
First embodiment
Shown in composition graphs 5 to Fig. 6, the paper-discharge mechanism 1 of the present embodiment comprises: the first pallet 10, for carrying the paper P discharged from image processing system paper output (not shown) along discharge direction A; Launched portion 20, for releasing the paper P (quantity be or more) on the first pallet 10 along ADF direction B; Second pallet 30, is positioned at the downstream of the first pallet 10 along ADF direction B, to carry the paper released by launched portion 20, the upstream extremity of the second pallet 30 is lower than the downstream end of the first pallet 10; Pressure portion 40, for pushing down the paper P on the first pallet 10; Jut 50, be positioned at along the side of ADF direction B near the second pallet 30 on the first pallet 10, paper P can be supported on jut 50 when ADF direction B discharges, and forms the shape that arches upward extended along ADF direction B.
The paper being formed with image discharges rear stow on the first pallet 10 from image processing system paper output along discharge direction A, after carrying out post-processing, utilize launched portion 20 that the paper P on first pallet 10 is pushed out to the second pallet 30 to the paper P on the first pallet 10.When releasing paper P, pressure portion 40 pushes down the paper P on the first pallet 10, can be fitted with launched portion 20 all the time completely in the rear end of paper P, and then paper P can fitly be released.
Utilizing launched portion 20, the paper P on first pallet 10 is pushed out in the process of the second pallet 30, under the combined action of pressure portion 40 and jut 50, the paper P be supported on jut 50 can form the shape that arches upward extended along ADF direction B, enhance the intensity of paper P on the B of ADF direction, the amount of bow that paper P front end is departed from after the first pallet 10 reduces, can comparatively flatly push on the second pallet 30, reduce the resistant function of the second pallet 30 pairs of paper P front ends, and then reduce the damage of paper P.In addition, also avoid the problem that when occurring that paper P discharges along ADF direction B, waist subsides.
In the present embodiment, jut 50 is positioned at the downstream end edge of the first pallet 10 along ADF direction B, makes once paper P is no longer supported on above jut 50, and paper P just departs from the first pallet 10.So, after the front end of paper P departs from the first pallet 10, pushed to the second pallet 30 before, more easily ensure that the front end of paper P has less amount of bow, paper P can comparatively flatly push on the second pallet 30, to reduce the damage that the second pallet 30 couples of paper P cause.
In the alternative of the present embodiment, on the B of ADF direction, jut 50 also can with the described downstream end marginal existence certain distance of the first pallet 10.In order to make paper P can comparatively flatly push on the second pallet 30, this is apart from the smaller the better.
In the present embodiment, jut 50 is positioned at paper on the ADF path that paper output is expelled to the first pallet 10, make to be expelled to the path of the first pallet 10 at paper from image processing system paper output, paper can contact with jut 50, and is supported on jut 50.
Shown in composition graphs 8 to Fig. 9, jut 50 has the slope 500 along discharge direction A towards image processing system paper output, and slope 500 and carrying surface S1 intersect obtuse angle, the obstruction making paper be subject to jut 50 from image processing system paper output when the first pallet 10 is discharged can reduce, and then paper can be more successfully expelled on the first pallet 10.
In the present embodiment, jut 50 is that on-right angle is trapezoidal along ADF direction B near the end face 501 of the second pallet 30, the obstruction making paper P be subject to jut 50 when the first pallet 10 is expelled to the second pallet 30 can reduce, and then paper P can be more successfully expelled on the second pallet 30.
In the alternative of the present embodiment, the end face 501 of jut 50 also can be triangle; Or the profile of end face 501 also can be parabola shaped.In this case, paper P also can successfully be expelled on the second pallet 30.
In the alternative of the present embodiment, jut 50 also can be positioned at paper and be expelled to outside the ADF path of the first pallet 10 from paper output, and make to be expelled to the path of the first pallet 10 at paper from image processing system paper output, paper can not contact with jut 50.Treat that launched portion 20 is along after ADF direction B releases paper P mono-segment distance, paper P just contacts with jut 50.
Be expelled to outside the ADF path of the first pallet 10 because jut 50 is positioned at paper from paper output, therefore, paper can not be subject to the obstruction of jut 50 when the first pallet 10 is discharged from image processing system paper output, paper can be successfully expelled on the first pallet 10.
As shown in Figure 8, in the present embodiment, the quantity of jut 50 is one, and the quantity in pressure portion 40 is two, and along the direction (be in the present embodiment also discharge direction A) vertical with ADF direction B, jut 50 and pressure portion 40 are staggered.
Shown in composition graphs 6 to Fig. 7, in the present embodiment, paper-discharge mechanism 1 also comprises: be positioned at the protuberance 60 on the second pallet 30 carrying surface S2, the vertical section (being parallel to the cross section of ADF direction B) of protuberance 60 substantially arcuately, is expelled to the ADF path upper convex portion 60 of the second pallet 30 from the first pallet 10 and jut 50 is located on the same line at paper.
When the size of paper is bigger than normal, left end, the right-hand member (i.e. the two ends of paper on discharge direction A) of the paper of stow on the second pallet 30 can droop, and are not supported by the second pallet 30.Owing to can be supported on protuberance 60 when paper stow is on the second pallet 30, thus paper can form the shape that arches upward extended along ADF direction B, makes paper be not easy left side from the second pallet 30 or right side (namely the second pallet 30 is along the both sides of discharge direction A) landing.
As previously mentioned, the shape that arches upward extended along ADF direction B is formed when paper P discharges along ADF direction B.Owing to being expelled to the ADF path upper convex portion 60 of the second pallet 30 at paper from the first pallet 10 and jut 50 is located on the same line, therefore, when the front end of paper P is expelled on the second pallet 30, the part forming the shape that arches upward in paper P can cover protuberance 60 surface, increase the area of contact of paper P front end and the second pallet 30, reduce the average force of paper P front end, and then reduce the damage of paper P.
After the paper on the first pallet 10 is pushed out to the second pallet 30 along ADF direction B by launched portion 20, launched portion 20 gets back to initial position along the reversing sense of ADF direction B.In the present embodiment, tape handler (not shown) can be utilized to order about launched portion 20 move along ADF direction B or its reversing sense.
In the present embodiment, pressure portion 40 can rotate around launched portion 20, and the center of turn in pressure portion 40 is parallel to discharge direction A.Utilize motor and sensor (not shown) to control the motion of launched portion 20: when sensor detect launched portion 20 be positioned at prepare start the position pushing away paper time, sensor sends beginning action command to motor, pressure portion 40 is made to start to rotate, until when pressure portion 40 pushes down the paper on the first pallet 10, pressure portion 40 stops operating; When sensor detects that launched portion 20 is positioned at the position (namely paper departs from the first pallet completely) released completely, sensor sends beginning action command to motor again, pressure portion 40 is made to start counter-rotation, pressure portion 40 no longer pushes down paper, until when pressure portion 40 turns to initial position, pressure portion 40 stops operating.
Second embodiment
Difference between second embodiment and the first embodiment is: as shown in Figure 10, in a second embodiment, the quantity in the first pallet 10 upper process portion 50 is multiple (for two in figure), multiple jut 50 is spaced along the direction (being also discharge direction A in the present embodiment) vertical with ADF direction B, the quantity of the second pallet 30 upper convex portion 60 is multiple, multiple protuberance 60 is spaced along the direction (being also discharge direction A in the present embodiment) vertical with ADF direction B, each jut 50 is positioned at along on the straight line of ADF direction B with corresponding protuberance 60 respectively.
In addition, as shown in figure 11, present invention also offers a kind of image processing system, the guidance panel 2 of it paper-discharge mechanism 1, second pallet 30 and image processing system of comprising above-mentioned any embodiment is positioned at the same side, is user-friendly to.
3rd embodiment
Difference between 3rd embodiment and first and second embodiment is: as shown in figure 12, in the third embodiment, and discharge direction A is consistent with ADF direction B; Multiple jut 50 is spaced along with ADF direction B, direction that discharge direction A is vertical, and multiple protuberance 60 is also spaced along with ADF direction B, direction that discharge direction A is vertical.
In addition, present invention also offers a kind of image processing system, it comprises the paper-discharge mechanism of the 3rd embodiment, and the guidance panel of the second pallet and image processing system is not positioned at the same side.
In the present invention, each embodiment adopts laddering literary style, and emphasis describes the difference with previous embodiment, and the same section in each embodiment can with reference to previous embodiment.
Although the present invention discloses as above, the present invention is not defined in this.Any those skilled in the art, without departing from the spirit and scope of the present invention, all can make various changes or modifications, and therefore protection scope of the present invention should be as the criterion with claim limited range.
Claims (10)
1. a paper-discharge mechanism, is characterized in that, comprising:
First pallet, for carrying the paper of discharging from paper output along discharge direction;
Launched portion, for releasing the paper on described first pallet along ADF direction;
Second pallet, is positioned at the downstream of described first pallet along described ADF direction, to carry the paper released by described launched portion, the upstream extremity of described second pallet is lower than the downstream end of described first pallet;
Pressure portion, for pushing down the paper on described first pallet;
Jut, to be positioned on described first pallet along described ADF direction near the side of the second pallet, and paper can be supported on described jut when described ADF direction is discharged, and forms the shape that arches upward extended along ADF direction.
2. paper-discharge mechanism as claimed in claim 1, it is characterized in that, described protruding part is expelled to outside the ADF path of the first pallet in paper from paper output.
3. paper-discharge mechanism as claimed in claim 1, it is characterized in that, described protruding part is expelled on the ADF path of the first pallet in paper from paper output;
Described jut has the slope along described discharge direction towards described paper output, and described slope and described carrying surface intersect obtuse angle.
4. paper-discharge mechanism as claimed in claim 1, it is characterized in that, the end face of described jut along described ADF direction near described second pallet is triangle; Or the profile of described end face is parabola shaped.
5. paper-discharge mechanism as claimed in claim 1, it is characterized in that, the quantity of described jut is multiple, and multiple described jut is spaced along the direction vertical with described ADF direction.
6. paper-discharge mechanism as claimed in claim 1, is characterized in that, also comprise: be positioned at the protuberance on described second pallet carrying surface, be expelled on the ADF path of the second pallet at paper from described first pallet, described protuberance and jut are located on the same line.
7. paper-discharge mechanism as claimed in claim 6, it is characterized in that, the quantity of described protuberance is multiple, and multiple described protuberance is spaced along the direction vertical with described ADF direction.
8. paper-discharge mechanism as claimed in claim 1, it is characterized in that, the quantity in described jut and pressure portion differs one, and along the direction vertical with described ADF direction, described jut and pressure portion are staggered.
9. an image processing system, is characterized in that, comprising: the paper-discharge mechanism described in any one of claim 1 to 8.
10. image processing system as claimed in claim 9, it is characterized in that, the guidance panel of described second pallet and image processing system is positioned at the same side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410452414.8A CN105460672B (en) | 2014-09-05 | 2014-09-05 | Image processing system and its paper-discharge mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410452414.8A CN105460672B (en) | 2014-09-05 | 2014-09-05 | Image processing system and its paper-discharge mechanism |
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| Publication Number | Publication Date |
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| CN105460672A true CN105460672A (en) | 2016-04-06 |
| CN105460672B CN105460672B (en) | 2018-05-08 |
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| CN201410452414.8A Active CN105460672B (en) | 2014-09-05 | 2014-09-05 | Image processing system and its paper-discharge mechanism |
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| CN106219204A (en) * | 2016-08-30 | 2016-12-14 | 天能电池集团有限公司 | A kind of catcher |
| CN107264076A (en) * | 2017-06-30 | 2017-10-20 | 联想(北京)有限公司 | A kind of printed matter output auxiliary body and printing equipment |
| CN111064853A (en) * | 2018-10-17 | 2020-04-24 | 夏普株式会社 | Document conveying apparatus and image forming apparatus |
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| CN107264076A (en) * | 2017-06-30 | 2017-10-20 | 联想(北京)有限公司 | A kind of printed matter output auxiliary body and printing equipment |
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| US11608241B2 (en) | 2018-10-17 | 2023-03-21 | Sharp Kabushiki Kaisha | Document feeder and image forming apparatus |
| US11945673B2 (en) | 2018-10-17 | 2024-04-02 | Sharp Kabushiki Kaisha | Document feeder and image forming apparatus |
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| CN105460672B (en) | 2018-05-08 |
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