CN1119273C - Paper taking mechanism for automatic paper feeding system - Google Patents
Paper taking mechanism for automatic paper feeding system Download PDFInfo
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- CN1119273C CN1119273C CN 00131791 CN00131791A CN1119273C CN 1119273 C CN1119273 C CN 1119273C CN 00131791 CN00131791 CN 00131791 CN 00131791 A CN00131791 A CN 00131791A CN 1119273 C CN1119273 C CN 1119273C
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- paper
- driving device
- gear
- transmission shaft
- system motors
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Abstract
The present invention relates to a paper taking mechanism for an automatic paper feeding system which is provided with a system motor which can rotates along a first direction and a second direction. The paper taking mechanism comprises a first drive device driven by the system motor, a second drive device driven by the first driving device, and a third drive device driven by the second drive device, wherein the second drive device works when bore external force is larger than a threshold value; the third drive device can be switched between a starting position and a paper taking position.
Description
Technical field
The present invention relates to a kind of paper-fetching mechanism, particularly a kind of paper-fetching mechanism that is used for an autoamtic paper feeding system.
Background technology
Many office affairs machines at for example printer, facsimile apparatus and photoprinter and so on, automatically paper-fetching mechanism is considerable some, and it is with the subsequent action of a stacker Zhang Zidong paging feed-in business machine for example to print, to fax and to xerox and so on.And the cantilevered paper-fetching mechanism is a kind of suitable conventional means in the automatic paper-fetching mechanism, but in prior art, provide the system motors of feed-in paper required drive except that being provided with one, the knee-action of its cantilever all must utilize an expensive electromagnetic valve or another definite-purpose motor to reach, therefore will cause structure than complexity and the too high shortcoming of manufacturing cost, have a strong impact on product competitiveness.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of simple structure, manufacturing cost is lower and paper-fetching mechanism with product competitiveness.
The object of the present invention is achieved like this: a kind of paper-fetching mechanism is provided, and it is used for an autoamtic paper feeding system, and described autoamtic paper feeding system has a system motors that can be rotated in a first direction and be rotated in a second direction.Described paper-fetching mechanism comprises: first driving device that driven by described system motors; One driven by described first driving device and at second driving device of suffered external force start during greater than a threshold value; And one the 3rd driving device, it is driven by described second driving device and opens beginning position and one and get between the paper position and switch, when described system motors is rotated and the suffered external force of described second driving device during less than described threshold value along described first direction, the drive that described the 3rd driving device is rotated along described first direction by described system motors, and switch to the described paper position of getting with the contact paper by the described beginning position of opening, until the suffered external force of described second driving device during greater than described threshold value, described the 3rd driving device will be subjected to the drive of described second driving device and paper is moved, rotate and the suffered external force of described second driving device during along described second direction when described system motors subsequently less than described threshold value, the drive that described the 3rd driving device is rotated along described second direction by described system motors makes described the 3rd driving device return back to the described beginning position of opening by the described paper position of getting.
According to above-mentioned conception, first driving device comprises described in the paper-fetching mechanism: first gear that driven by described system motors; One is linked to the transmission shaft of described first gear; One unilateral bearing, it is sleeved on described transmission shaft, rotates with described transmission shaft when described first direction rotates in described system motors, and does not rotate with described transmission shaft when described second direction is rotated in described system motors; One comber, it is sleeved on described unilateral bearing and rotates thereupon; And one be linked to described transmission shaft to drive second gear of described second driving device.
According to above-mentioned conception, also comprise a cantilever in the paper-fetching mechanism, its pivot is sleeved on described transmission shaft and is connected with described the 3rd driving device with described second driving device.
According to above-mentioned conception, second driving device comprises described in the paper-fetching mechanism: one is fixedly connected on the adapter shaft on the described cantilever; One the 3rd gear, its pivots and to be sleeved on described adapter shaft and to be embedded in described second gear in described first driving device; And a torque limitation module, it is arranged between described adapter shaft and described the 3rd gear, can rotate along described adapter shaft when making the suffered external force of described the 3rd gear greater than described threshold value.
According to above-mentioned conception, the 3rd driving device comprises described in the paper-fetching mechanism: one is linked to the reel of getting on the described cantilever; One the 4th gear, its pivots to be sleeved on and describedly gets reel and be embedded in described the 3rd gear in described second driving device; An and pickup roller, it is linked to described the 4th gear and pivots and is sleeved on the described reel of getting, when described system motors is rotated and the suffered external force of described the 3rd gear during less than described threshold value along described first direction, described cantilever is subjected to the drive that described system motors rotates along described first direction and rotates along described transmission shaft, and switch to and describedly get the paper position so that described pickup roller contact paper by the described beginning position of opening, when the antagonistic force of replacing to paper to be produced when pickup roller makes the suffered external force of described the 3rd gear begin to rotate greater than described threshold value, described the 4th gear and pickup roller will be subjected to the drive of described the 3rd gear and paper is moved, rotate and the suffered external force of described the 3rd gear during along described second direction when described system motors subsequently less than described threshold value, described cantilever system is subjected to drive that described system motors rotates along described second direction and along described transmission shaft contrarotation, and return back to the described beginning position of opening by the described paper position of getting, so that have a distance between described pickup roller and the paper.
According to as can be known above-mentioned, because the present invention utilizes the power of system motors to finish the function that the upper and lower motion of cantilever and roller are got paper, therefore, saved and to have utilized expensive electromagnetic valve or another definite-purpose motor to control cantilever in the means of commonly using to carry out upper and lower action, thoroughly improved complex structure and manufacturing cost too high commonly use disappearance, effectively improve product competitiveness, thereby realized purpose of the present invention.
From below in conjunction with accompanying drawing to can more in depth understanding the present invention the specific descriptions of the present invention.
Description of drawings
Fig. 1 is the structure assembling scheme drawing of the present invention for the preferred embodiment that paper-fetching mechanism developed out that is used for autoamtic paper feeding system.
Fig. 2 (a), Fig. 2 (b), Fig. 2 (c), Fig. 2 (d), Fig. 2 (e) and Fig. 2 (f) are respectively the action scheme drawings of preferred embodiment of the present invention.
The specific embodiment
At first see also Fig. 1, it is the structure assembling scheme drawing of the present invention for the preferred embodiment that paper-fetching mechanism developed out that is used for autoamtic paper feeding system, and the device with autoamtic paper feeding system comprises: printer, facsimile apparatus and scanning device etc., with the common printer with autoamtic paper feeding function is example; printer has a system motors (not shown) and drives the power that paper advances to provide; and first driving device 10 among the present invention comprises: first gear 101; transmission shaft 102; comber (separate roller) 103; unilateral bearing 104 and second gear 105; and the transmission shaft 102 that first gear 101 can be made by the drive of described system motors directly to be linked on described first gear 101 is rotated; as for comber 103 is to be sleeved on the unilateral bearing 104 and to be driven by described transmission shaft 102, directly is linked to 105 of second gears on the described transmission shaft 102 in order to drive second driving device 12.
As for 12 of second drivings device by adapter shaft 121, the 3rd gear 122 and torque limitation module 123 (torque limit module) constitute, wherein adapter shaft 121 is fixedly connected on cantilever loam cake 111 and the cantilever base 112, and the 3rd gear 122 pivots and is sleeved on described adapter shaft 121 and is embedded in described second gear 105 in described first driving device 10, as for being arranged at torque limitation module 123 between described adapter shaft 121 and described the 3rd gear 122 (by finding out among the figure, it can be made of two outside round iron sheets and two inboard circle wool felt ring (collars, the liquid that speckles with high viscosity on the wool felt ring (collar is to increase friction force), can provide a resistance the 3rd gear 122 along adapter shaft 121 rotating moment, and then make and to rotate along described adapter shaft 121 during greater than a threshold value when described the 3rd gear 122 suffered external force.
The 3rd driving device 13 comprises: get reel 131, the 4th gear 132 and pickup roller (pick-uproller) 133, wherein getting reel 131 directly is linked on cantilever loam cake 111 and the cantilever base 112, the 4th gear 132 pivots to be sleeved on and describedly gets reel 131 and be embedded in the 3rd gear 122 in described second driving device 12, directly is linked to pickup roller 133 on the 4th gear 132 and also pivots and be sleeved on the described reel 131 of getting.
See also Fig. 2 (a), Fig. 2 (b), Fig. 2 (c), Fig. 2 (d), Fig. 2 (e) and Fig. 2 (f) again, they are respectively the action scheme drawings of preferred embodiment of the present invention.Wherein Fig. 2 (a) shows system motors and is rotated in a first direction and drives transmission shaft 102 and be rotated, because the effect of torque limitation module 123, when described the 3rd gear 122 suffered external force can't overcome its torque limitation less than described threshold value and rotate, the power of its transmission shaft 102 just drives described cantilever 11 and is rotated down (shown in Fig. 2 (b)) along described transmission shaft 102, and switches to and describedly get the paper position so that described pickup roller 133 contact paper (shown in Fig. 2 (c)) by opening beginning position (being resisted against link stopper 20).Touch paper owing to the described pickup roller 133 of cantilever 11 drives and can't rotate again this moment, therefore the antagonistic force that is produced will make described the 3rd gear 122 suffered external force can overcome its torque limitation greater than described threshold value and begin to rotate, thus, second gear 105 that directly is linked on the described transmission shaft 102 will directly drive 122 rotations of the 3rd gear, and then drive the 4th gear 132 and pickup roller 133 rotations, make that paper begins to move along the paper feed direction.Be that paper can be continued to forward to be subjected to its drive by pickup roller 133 drive to described comber 103 belows shown in Fig. 2 (d), when the drive of another roller (not shown) that can be subjected to the downstream, system motors just changes into being rotated in a second direction, and driving transmission shaft 102 carries out contrarotation, and combine with transmission shaft 102 owing to comber 103 sees through unilateral bearing 104, therefore, the transmission shaft 102 of contrarotation can't drive comber 103 and carry out contrarotation, but comber 103 will be along with being rotated by the drive of downstream paper that another roller (not shown) drives.This moment is also because the effect of torque limitation module 123 makes described the 3rd gear 122 suffered external force can't break through its torque limitation less than described threshold value.Therefore, the power of transmission shaft 102 just drives described cantilever 11 and rotates up (shown in Fig. 2 (e)) along described transmission shaft 102, return back to and open beginning position (being resisted against link stopper 20) and till making that described pickup roller 133 leaves paper (shown in second figure (c)) by the described paper position of getting up to cantilever 11, at this moment, though can make the 3rd gear 122 overcome its torque limitation to begin backward rotation because of cantilever 11 is resisted against antagonistic force that link stopper 20 produced, and then drive the 4th gear 132 and pickup roller 133 and rotate, but because of pickup roller 133 has left paper, so can not have any impact.
Claims (5)
1. a paper-fetching mechanism is used for an autoamtic paper feeding system, and described autoamtic paper feeding system has one can is characterized in that described paper-fetching mechanism comprises along first direction rotation and the system motors of rotating along a second direction:
One first driving device that driven by described system motors;
One second driving device that driven by described first driving device, it is in the start during greater than a threshold value of suffered external force; And
One the 3rd driving device, it is subjected to the drive of described second driving device and opens beginning position and one and get between the paper position and switch, when described system motors is rotated and the suffered external force of described second driving device during less than described threshold value along described first direction, the drive that described the 3rd driving device is rotated along described first direction by described system motors, and switch to the described paper position of getting with the contact paper by the described beginning position of opening, until the suffered external force of described second driving device during greater than described threshold value, described the 3rd driving device will be subjected to the drive of described second driving device and paper is moved, rotate and the suffered external force of described second driving device during along described second direction when described system motors subsequently less than described threshold value, the drive that described the 3rd driving device is rotated along described second direction by described system motors makes described the 3rd driving device return back to the described beginning position of opening by the described paper position of getting.
2. paper-fetching mechanism as claimed in claim 1 is characterized in that, described first driving device comprises:
One first gear that driven by described system motors;
One is linked to the transmission shaft of described first gear;
One unilateral bearing, it is sleeved on described transmission shaft, rotates with described transmission shaft when described first direction rotates in described system motors, does not rotate with described transmission shaft when described second direction is rotated in described system motors;
One comber that is sleeved on described unilateral bearing and rotates thereupon; And
One is linked to described transmission shaft to drive second gear of described second driving device.
3. paper-fetching mechanism as claimed in claim 2 is characterized in that it also comprises a cantilever, and its pivot is sleeved on described transmission shaft and is connected with described the 3rd driving device with described second driving device.
4. paper-fetching mechanism as claimed in claim 3 is characterized in that, described second driving device comprises:
One is fixedly connected on the adapter shaft on the described cantilever;
One the 3rd gear, its pivots and to be sleeved on described adapter shaft and to be embedded in described second gear in described first driving device; And
One torque limitation module, it is arranged between described adapter shaft and described the 3rd gear, can rotate along described adapter shaft when making the suffered external force of described the 3rd gear greater than described threshold value.
5. paper-fetching mechanism as claimed in claim 4 is characterized in that, described the 3rd driving device comprises:
One is linked to the reel of getting on the described cantilever;
One the 4th gear, its pivots to be sleeved on and describedly gets reel and be embedded in described the 3rd gear in described second driving device; And
One pickup roller, it is linked to described the 4th gear and pivots and is sleeved on the described reel of getting, when described system motors is rotated and the suffered external force of described the 3rd gear during less than described threshold value along described first direction, described cantilever system is subjected to the drive that described system motors rotates along described first direction and rotates along described transmission shaft, and switch to and describedly get the paper position so that described pickup roller contact paper by the described beginning position of opening, when the antagonistic force of replacing to paper to be produced when pickup roller makes the suffered external force of described the 3rd gear begin to rotate greater than described threshold value, described the 4th gear and pickup roller will be subjected to the drive of described the 3rd gear and paper is moved, rotate and the suffered external force of described the 3rd gear during along described second direction when described system motors subsequently less than described threshold value, described cantilever is subjected to drive that described system motors rotates along described second direction and along described transmission shaft contrarotation, and return back to the described beginning position of opening by the described paper position of getting, so that have a distance between described pickup roller and the paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00131791 CN1119273C (en) | 2000-10-19 | 2000-10-19 | Paper taking mechanism for automatic paper feeding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00131791 CN1119273C (en) | 2000-10-19 | 2000-10-19 | Paper taking mechanism for automatic paper feeding system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1349924A CN1349924A (en) | 2002-05-22 |
| CN1119273C true CN1119273C (en) | 2003-08-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00131791 Expired - Lifetime CN1119273C (en) | 2000-10-19 | 2000-10-19 | Paper taking mechanism for automatic paper feeding system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1119273C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101289144B (en) * | 2007-04-19 | 2013-10-02 | 亚洲光学股份有限公司 | Paper feed device |
| CN103660618B (en) * | 2013-11-21 | 2015-10-21 | 浙江大学 | Convenience paper extractor |
| CN111606087B (en) * | 2019-02-25 | 2021-07-20 | 深圳市亿和精密科技集团有限公司 | Automatic paper device of getting that lifts up |
-
2000
- 2000-10-19 CN CN 00131791 patent/CN1119273C/en not_active Expired - Lifetime
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| Publication number | Publication date |
|---|---|
| CN1349924A (en) | 2002-05-22 |
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| C10 | Entry into substantive examination | ||
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| C06 | Publication | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Owner name: GUANGBAO TECHNOLOGY CO., LTD. Free format text: FORMER NAME OR ADDRESS: XULI CO., LTD. |
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| CP03 | Change of name, title or address |
Address after: Taipei city of Taiwan Province Patentee after: Lite-On Technology Corporation Address before: 10 floor, section 25, Dunhua South Road, Taipei, Taiwan Patentee before: Xuli Co., Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20030827 |
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| CX01 | Expiry of patent term |