CN1120795C - Feeder and its feeding method - Google Patents
Feeder and its feeding method Download PDFInfo
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- CN1120795C CN1120795C CN 00108950 CN00108950A CN1120795C CN 1120795 C CN1120795 C CN 1120795C CN 00108950 CN00108950 CN 00108950 CN 00108950 A CN00108950 A CN 00108950A CN 1120795 C CN1120795 C CN 1120795C
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- rolling element
- feed arrangement
- paper
- feeding method
- guiding part
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Abstract
The present invention relates to a feeding device and a feeding method thereof, wherein the device comprises a basal seat, a first rolling element which is abutted on a first surface of the basal seat, and a second rolling element which is externally connected with the first rolling element and abutted on a second surface of the basal seat. When objects are fed, the method rotates the first rolling element clockwise, the objects move to the second rolling element through first friction force from a position between the first rolling element and the first surface, and at this time, the second rolling element is quiet; when the objects move to a position between the second rolling element and the second surface and is guided between the second rolling element and the second surface, the second rolling element rotates clockwise, the objects move to a set position through second friction force, and at this time, the first rolling element runs idle.
Description
Technical field
The present invention relates to a kind of feed arrangement and feeding method thereof, particularly relate to a kind of paper of can avoiding and in the feeding process, produce crooked feed arrangement and feeding method thereof.
Background technology
In the employed automatic carriage, it prevents that paper from producing crooked mode and utilizing a comber (SP-roller) that paper is advanced that paper is sent to a counter-rotational feeding roller (Feeding-roller) forward when mobile in transport process on business machines such as present photoprinter, facsimile apparatus, chopping machine.When paper advances to when touching feeding roller (Feeding-roller),, therefore can reach the purpose of correcting paper front edge (deskew) because feeding roller is backward rotation (being the direction opposite with the paper working direction rotates).After the work for the treatment of the correcting paper front edge is finished, feeding roller will be transformed to forward rotation and do further processing paper is sent to business machine inside.
Yet when owing to comber paper being sent to feeding roller, feeding roller is a backward rotation, therefore can cause the leading edge of paper to produce warpage, irregular phenomenon.This phenomenon more may cause this paper can't enter the phenomenon of feeding roller smoothly except the influence of destruction paper leading edge is attractive in appearance.On the other hand, when feeding roller is transformed to forward rotation paper is sent to business machine when inner, because comber will be transformed to backward rotation simultaneously, so reversing sense may take place with comber and pull paper in feeding roller, causes resistance even the destruction paper of paper when advancing.
Summary of the invention
The objective of the invention is to be directed to above-mentioned prior art and propose and improve, the present invention controls the rotating manner of roller by unilateral bearing (one way bearing), and prior art problems can be resolved.
The object of the present invention is achieved like this, and a kind of feed arrangement promptly is provided, and is applicable at least one object is fed to a both allocation, and this feed arrangement comprises: a pedestal has a first surface and a second surface; One first rolling element rotates along one first axle center with rotary way, and this first rolling element is adjacent to this first surface; One second rolling element rotates along one second axle center with rotary way, and this second rolling element is external in this first rolling element, and this second rolling element is adjacent to second surface; When this first rolling element when a particle feeding direction is rotated, this object is through moving between this first rolling element, this first surface and formed one first friction force and moving toward this second rolling element between via this first rolling element, this first surface, and this moment, this second rolling element was in the state of idle running; When this object moves to this second rolling element, move to this second rolling element between this second surface and via this object, after carrying out correcting between this second surface, this second rolling element passes through this second rolling element along particle feeding direction rotation and this object, formed one second friction force between this second surface and moving toward this both allocation, this moment, this first rolling element was in idling conditions wherein, this first rolling element supports by one first unilateral bearing, this second rolling element supports by one second unilateral bearing, limit this first rolling element by this first unilateral bearing and rotate, limit this second rolling element by this second unilateral bearing and rotate along this second direction along this first direction.
The present invention also provides a kind of feeding method, be fed to a both allocation by a feed arrangement at least one object, this feeding method may further comprise the steps: this object is fed to one first rolling element that is arranged on the pedestal, drive this first rolling element simultaneously and rotate and by formed one first friction force of this first rolling element this object is moved toward one second rolling element along a particle feeding direction, this moment, this second rolling element was in idling conditions; After carrying out correcting by this second rolling element that is in idling conditions for this object, one second friction force that rotates and produce by this second rolling element along a particle feeding direction with this second rolling element of rear drive moves this object toward this both allocation, this moment, this first rolling element was in idling conditions, wherein, this first rolling element supports by one first unilateral bearing, this second rolling element supports by one second unilateral bearing, limit this first rolling element by this first unilateral bearing and rotate, limit this second rolling element by this second unilateral bearing and rotate along this second direction along this first direction.
Therefore, can avoid paper in the feeding process, to produce the generation of crooked or warping phenomenon effectively by feed arrangement of the present invention and feeding method thereof.
Description of drawings
Below in conjunction with accompanying drawing, describe embodiments of the invention in detail, wherein:
Figure 1A is the exterior perspective view of feed arrangement 1 of the present invention;
Figure 1B is the inner structure block diagram of the feed arrangement of the present invention 1 of Figure 1A;
Fig. 1 C is the top view of Figure 1B;
Fig. 2 is the generalized section of the A-A of Fig. 1 C;
Fig. 3 A is that feed arrangement 1 of the present invention is in the generalized section of carrying out before paper P presents;
Generalized section when Fig. 3 B carries out correcting for feed arrangement 1 of the present invention among Fig. 3 A with paper P;
Fig. 3 C for the feed arrangement of the present invention 1 among Fig. 3 B after the correcting of finishing paper P the generalized section when carrying out paper feeding P;
Fig. 3 D is the generalized section of feed arrangement 1 of the present invention after finishing paper feeding P among Fig. 3 C.
Concrete implementation content
Present embodiment proposes explanation at the feed arrangement of for example Photomechanical printing apparatus, type printer, and with object P (for example: paper, below will be) with " paper P " replacement " object P " as being fed object.
See also Figure 1A, 1B, 1C and Fig. 2.
Figure 1A represents the exterior perspective view of the feed arrangement 1 according to the present invention, Figure 1B represents according to the inner structure block diagram with the feed arrangement of the present invention 1 of Figure 1A, Fig. 1 C represents according to the top view with Figure 1B, and Fig. 2 represents the generalized section that the line segment A-A according to Fig. 1 C is carried out.
Shown in Figure 1B, Fig. 1 C, feed arrangement 1 of the present invention mainly includes a housing H, a pick-off unit 10, one first rolling element 11, one second roller element 12, a friction lining 16, a cam gear 15, a guiding part 17 and a catch 18 and combines, by this feed arrangement 1 with paper P from one both allocation X1 be fed to another both allocation X2.
Below just explanation is proposed at above-mentioned each device, the structure of element and relation each other thereof.
(a) housing H:
Shown in Figure 1B, Fig. 1 C, housing H constitutes the outside keystone configuration of feed arrangement 1, this housing H includes an outer cover H-1 (shown in Figure 1A) and a pedestal H-2, wherein, above-mentioned pick-off unit 10, first and second rolling element (11,12), cam gear 15, friction lining 16, guiding part 17 and catch 18 etc. are arranged on the pedestal H-2, and by outer cover H-1 above-mentioned each element are covered (shown in Figure 1A).
(b) first rolling element 11:
Shown in Figure 1B, Fig. 1 C, first rolling element 11 is a roller, this first rolling element 11 is arranged on the axostylus axostyle 110, and by being arranged on the common supporting of two bearing W1, W2 institute on the pedestal H-2, so this first rolling element 11 just can rotate along one first axle center I-I respectively at the both ends of this axostylus axostyle 110.One end of axostylus axostyle 110 is provided with a gear 110G and one first unilateral bearing (one way bearing) 11B.This first unilateral bearing 11B restriction axostylus axostyle 110 and first rolling element 11 only can rotate along a specific direction; When gear 110G when rotating in the opposite direction with this certain party, the axostylus axostyle 110 and first rolling element 11 will can not dally thereupon rotating.
(c) second rolling element 12:
Shown in Figure 1B, Fig. 1 C, second rolling element 12 is a roller, this second rolling element 12 is arranged on the axostylus axostyle 120, and this second rolling element 12 is abutted to first rolling element 11 by gear 120G, 110G, and axostylus axostyle 120 supports jointly by bearing W1, the W3 institute that is arranged on the pedestal H-2 respectively, and so this second rolling element 12 just can rotate along one second axle center II-II.Be provided with a gear 120G and one second unilateral bearing 12B in an end of second rolling element 12, wherein, this gear 120G is engaged in gear 110G.This second unilateral bearing 12B restriction axostylus axostyle 120 and second rolling element 12 only can rotate along a specific direction; When gear 120G when rotating in the opposite direction with this certain party, the axostylus axostyle 120 and second rolling element 12 will can not dally thereupon rotating.
Limit first and second rolling element 11,12 rotates along single direction respectively except the above-mentioned first unilateral bearing 11B, the 12B that proposes can reach, the mode that is connected in axostylus axostyle 110,120 by devices (not shown) such as unidirectional spring or swing arm gear clusters also can reach identical effect.
(d) pick-off unit 10:
Please consult Fig. 2 simultaneously.
Shown in Fig. 1 C, 2, pick-off unit 10 is a pendulous device, plural paper P can be fed to first rolling element 11 in regular turn by this pick-off unit 10.This pick-off unit 10 includes three external gear 101,102,103 and roller 101R mutually, wherein, gear 103 supports by an axostylus axostyle 100 and is arranged on the pedestal H-2, and this axostylus axostyle 100 can rotate along a third axle heart III, and an end of axostylus axostyle 100 is provided with a gear 100G, and so this pick-off unit 10 just can carry out swing arm campaign (as shown in Figure 2) between a primary importance S1 and the second place S2 along this third axle heart III under the induced effect of axostylus axostyle 100.When pick-off unit 10 is positioned at second place S2, extract action for the paper P of the superiors, make that this paper P that is extracted can be towards the direction feeding of first rolling element 11 by driving its in-to-in roller 101.
(e) cam gear 15:
See also Fig. 1 C, Fig. 2.
Shown in Fig. 1 C, cam gear 15 includes an axostylus axostyle 150 and a cam 151, and wherein, cam 151 is arranged on the axostylus axostyle 150, and this axostylus axostyle 150 supports and is arranged on the pedestal H-2 by bearing W1, and this cam 151 is adjacent to catch 18.
This cam 151 can be swung under the rotary action of axostylus axostyle 150, so can be so that catch 18 moves (as shown in Figure 2) between two positions L1, L2.Be provided with a gear 150G in an end of axostylus axostyle 150, this gear 150G is engaged between gear 110G and the gear 100G.
(f) friction lining 16:
As shown in Figure 2, friction lining 16 is for having the plate of big friction coefficient, by this friction lining 16 to strengthen the separation effect of first rolling element 11.One end of this friction lining 16 is articulated on the pedestal H-2 along a pivot 160, and between friction lining 16, pedestal H-2, be provided with a spring 162, can make first surface 161 between one the 3rd position S3 and one the 4th position S4, swing by this spring 162, and the first surface 161 of this friction lining 16 is adjacent to first rolling element 11.
(g) guiding part 17:
As shown in Figure 2, guiding part 17 is a roller, this guiding part 17 has a second surface 171 being arranged on along the mode that a pivot 170 rotates on the pedestal H-2 in the outside of this guiding part 17, this guiding part 17 is external in second rolling element 12 by second surface 171.
(h) catch 18:
Shown in Figure 1B, Fig. 1 C, catch 18 is an approximate L template spare, by catch 18 the end of a plurality of paper P is carried out the program of positioned in alignment.
As shown in Figure 2, the end of this catch 18 cooperates among the knock hole 108H of two guide brackets 108 that are contained in pedestal H-2 partly, when catch 18 under the effect of this cam 151 and when position L2 falls to position L1, the end of catch 18 can fall within the knock hole 108H of guide bracket 108, and is certain to guarantee for the positioned in alignment action of a plurality of paper P.
Below just for operating principle and the method that a plurality of paper P carry out feeding explanation is proposed at said apparatus and element.
See also Fig. 3 A～3D.
Fig. 3 A represents that feed arrangement 1 is in the generalized section of carrying out before paper P presents according to the present invention.Generalized section when Fig. 3 B represents according to the feed arrangement of the present invention 1 among Fig. 3 A paper P to be carried out correcting, generalized section when Fig. 3 C represents to carry out presenting of paper P according to the feed arrangement of the present invention 1 among Fig. 3 B after the correcting of finishing paper P, and Fig. 3 D represents according to the generalized section of the feed arrangement of the present invention 1 among Fig. 3 C after finishing the presenting of paper P.
Shown in Fig. 3 B, before the roller 101 by motor driven pick-off unit 10 is about to be contacted with paper P, gear 120G is towards anticlockwise motion, so driven gear 110G rotates toward the clockwise direction, gear 150G drives axostylus axostyle 150 towards anticlockwise motion towards anticlockwise motion, gear 150G, axostylus axostyle 150 drives cam 151 and swings (shown in Fig. 1 C), makes catch 18 move to position L2 on the L1 of position.This moment, axostylus axostyle 100 rotated toward the clockwise direction, and the roller 101R that therefore drives pick-off unit 10 can move the paper P feeding of the superiors by friction force towards first rolling element 11.This moment, second rolling element 12 remained in idling conditions under the effect of the second unilateral bearing 12B.
Subsequently, by carry out along clockwise direction rotating first rolling element 11 with paper P clamping between the friction lining 16 on first rolling element 11, the first surface 161, and under the first friction force effect of first rolling element 11 that continues to rotate, this paper P is just moved toward second rolling element 12 constantly.Because the paper P of feeding can't promote second rolling element 12, therefore second rolling element 12 in fact is to be in actionless state.
It is emphasized that, when first rolling element 11 when direction R1 turns round, because the cause of the first unilateral bearing 11B, and the paper P in the feeding is not sufficient to promote second rolling element 12 it is rotated, and therefore this moment, second rolling element 12 was the static state that does not rotate.
Please consult Fig. 3 B again, when the fore-end of paper P arrives between competing second rolling element 12 (still remain static this moment), guiding part 17, utilize that formed groove carries out correcting for paper P between actionless second rolling element 12 and the guiding part 17, make the fore-end of paper P can in the set time, entirely be adjacent to second rolling element 12.Because second rolling element 12 be the transfixion state, the phenomenon that therefore can not make the front end of paper P have alice to be out of shape.
See also Fig. 3 C, after the correcting operation of finishing paper P, gear 120G just changes toward clockwise direction and rotates and second rolling element 12 is rotated along clockwise direction, utilizes that formed one second friction force carries out feeding for paper P between second rolling element 12, the guiding part 17.Because the setting of the first unilateral bearing 11B, when second rolling element 12 when clockwise direction rotates, first rolling element 11 can't be thereupon towards anticlockwise motion.Friction force between the paper P and first rolling element 11 is enough to spur first passive device 11 and rotates toward the clockwise direction, and therefore first rolling element 11 is the cw idling conditions.Because therefore first rolling element 11 can avoid first rolling element 11, second rolling element 12 to carry out rightabout rotation for cw idle running, and the planarization that acts on even destroy paper is pullled in generation to paper P.
See also Fig. 3 D, when paper P breaks away from fully after the frictional movement between second rolling element 12, the guiding part 17, paper P just can smoothly arrive at the both allocations X2 shown in the figure, so to carry out the work of next stage.
Therefore, by first rolling element 11 (along clockwise direction, shown in Fig. 3 B) present for paper P, and make the leading section of paper P contact at formed groove between second rolling element 12, the guiding part 17 (this moment second, rolling element 12 was quiescence, and the paper P that is pushed through first rolling element 11 can't promote second rolling element 12) by pushing of first rolling element 11.In the time that sets, by the lasting rotation of first rolling element 11 paper P entirely contacted between second rolling element 12, the guiding part 17 behind the formed groove, just drive this moment and be arranged on unilateral bearing and support second rolling element 12 and rotate, first rolling element 11 so just can entirely be sent to both allocations with paper P by second rolling element 12 for idle running simultaneously.
In sum, the feeding method of feed arrangement of the present invention is the setting by two unilateral bearings (one waybearing), when first rolling element when clockwise direction rotates, object is through moving to first rolling element, between the first surface and via first rolling element, formed one first friction force between the first surface and moving toward second rolling element, because the setting of second unilateral bearing, second rolling element of this moment is in the static state that does not rotate, thereby when object moves to second rolling element, move to second rolling element between the second surface and via object, carry out leading edge correcting (deskew) between the second surface afterwards, this second rolling element passes through this second rolling element along clockwise direction rotation and this object, formed one second friction force between this second surface and moving toward this both allocation, this moment, this first rolling element was in idling conditions.
Though disclosed the present invention in conjunction with above preferred embodiment; yet its also unrestricted the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; can do some and change and retouching, so protection scope of the present invention should be with being as the criterion that claim was defined.
Claims (23)
1. feed arrangement is applicable at least one object is fed to a both allocation, and this feed arrangement comprises:
One pedestal has a first surface and a second surface;
One first rolling element rotates along one first axle center with rotary way, and this first rolling element is adjacent to this first surface;
One second rolling element rotates along one second axle center with rotary way, and this second rolling element is external in this first rolling element, and this second rolling element is adjacent to second surface; When this first rolling element when a particle feeding direction is rotated, this object is through moving between this first rolling element, this first surface and formed one first friction force and moving toward this second rolling element between via this first rolling element, this first surface, and this moment, this second rolling element was in the state of idle running; When this object moves between this second rolling element, this second surface and after carrying out correcting between this second rolling element, this second surface, this second rolling element rotates and this object moves toward this both allocation by formed one second friction force between this second rolling element, this second surface along a particle feeding direction, and this first rolling element is in idling conditions at this moment; Wherein, this first rolling element supports by one first unilateral bearing, this second rolling element supports by one second unilateral bearing, limit this first rolling element by this first unilateral bearing and rotate, limit this second rolling element by this second unilateral bearing and rotate along this second direction along this first direction.
2. feed arrangement as claimed in claim 1, wherein, this first direction is same as this second direction.
3. as claim 1,2 described feed arrangements, wherein, this first rolling element is driven by a pick-off unit, and this pick-off unit is in order to move to this object between this first rolling element, this first surface.
4. feed arrangement as claimed in claim 3, wherein, the swinging arm device of this pick-off unit between a primary importance and a second place, moving along a third axle heart.
5. feed arrangement as claimed in claim 4, wherein, this first surface can move between one the 3rd position and one the 4th position, and this first surface when the 3rd position and this first rolling element adjoin each other.
6. feed arrangement as claimed in claim 5 also includes a guiding part, and this second surface is positioned at the outside of this guiding part.
7. feed arrangement as claimed in claim 6, wherein, this object is a paper.
8. feed arrangement as claimed in claim 4 also includes a guiding part, and this second surface is positioned at the outside of this guiding part.
9. feed arrangement as claimed in claim 8, wherein, this first surface can move between one the 3rd position and one the 4th position, and this first surface when the 3rd position and this first rolling element adjoin each other.
10. feed arrangement as claimed in claim 9, wherein, this guiding part is a roller.
11. feed arrangement as claimed in claim 10, wherein, this object is a paper.
12. a feeding method is fed to a both allocation by a feed arrangement at least one object, this feeding method may further comprise the steps:
This object is fed to one first rolling element that is arranged on the pedestal, drive this first rolling element simultaneously and rotate and by formed one first friction force of this first rolling element this object is moved toward one second rolling element along a particle feeding direction, this moment, this second rolling element was in idling conditions;
After carrying out correcting by this second rolling element that is in idling conditions for this object, one second friction force that rotates and produce by this second rolling element along a particle feeding direction with this second rolling element of rear drive moves this object toward this both allocation, and this moment, this first rolling element was in idling conditions; Wherein, this first rolling element supports by one first unilateral bearing, this second rolling element supports by one second unilateral bearing, limit this first rolling element by this first unilateral bearing and rotate, limit this second rolling element by this second unilateral bearing and rotate along this second direction along this first direction.
13. feeding method as claimed in claim 12, wherein, this first direction is same as this second direction.
14. feeding method as claimed in claim 13, wherein, this pedestal includes a first surface and a second surface, and this first and second surface contacts to produce this first and second friction force respectively with this first and second rolling element respectively.
15. as claim 12,13 or 14 described feeding methods, wherein, this first rolling element is driven by a pick-off unit, and this pick-off unit is in order to move to this object between this first rolling element, this first surface.
16. feeding method as claimed in claim 15, wherein, the swinging arm device of this pick-off unit between a primary importance and a second place, moving along a third axle heart.
17. feeding method as claimed in claim 15, wherein, this first surface can move between one the 3rd position and one the 4th position, and this first surface when the 3rd position and this first rolling element adjoin each other.
18. feeding method as claimed in claim 17 also includes a guiding part, this second surface is positioned at the outside of this guiding part.
19. feeding method as claimed in claim 18, wherein, this object is a paper.
20. feeding method as claimed in claim 15 also includes a guiding part, this second surface is positioned at the outside of this guiding part.
21. feeding method as claimed in claim 20, wherein, this first surface can move between one the 3rd position and one the 4th position, and this first surface when the 3rd position and this first rolling element adjoin each other.
22. feeding method as claimed in claim 21, wherein, this guiding part is a roller.
23. feeding method as claimed in claim 22, wherein, this object is a paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00108950 CN1120795C (en) | 2000-05-23 | 2000-05-23 | Feeder and its feeding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00108950 CN1120795C (en) | 2000-05-23 | 2000-05-23 | Feeder and its feeding method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1324753A CN1324753A (en) | 2001-12-05 |
| CN1120795C true CN1120795C (en) | 2003-09-10 |
Family
ID=4579350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00108950 Expired - Fee Related CN1120795C (en) | 2000-05-23 | 2000-05-23 | Feeder and its feeding method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1120795C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5298954B2 (en) * | 2008-04-10 | 2013-09-25 | セイコーエプソン株式会社 | Printer recording paper transport control method and printer |
| CN101370063B (en) * | 2008-09-24 | 2011-06-01 | 苏州佳世达电通有限公司 | Continuous paper feed scanning method and continuous paper feed device |
| WO2023038631A1 (en) * | 2021-09-10 | 2023-03-16 | Hewlett-Packard Development Company, L.P. | Media loading |
-
2000
- 2000-05-23 CN CN 00108950 patent/CN1120795C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1324753A (en) | 2001-12-05 |
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Owner name: BENQ ELECTRONS STOCK CO., LTD. Free format text: FORMER NAME OR ADDRESS: MINGHONG STOCK CO., LTD. |
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Patentee after: Benq Corp. Patentee before: Mingqi Computer Co., Ltd. |
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Granted publication date: 20030910 Termination date: 20110523 |