CN201385957Y - Novel paper-feeding friction rapid switching device - Google Patents
Novel paper-feeding friction rapid switching device Download PDFInfo
- Publication number
- CN201385957Y CN201385957Y CN200920151916U CN200920151916U CN201385957Y CN 201385957 Y CN201385957 Y CN 201385957Y CN 200920151916 U CN200920151916 U CN 200920151916U CN 200920151916 U CN200920151916 U CN 200920151916U CN 201385957 Y CN201385957 Y CN 201385957Y
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- CN
- China
- Prior art keywords
- paper
- feeding wheel
- paper feeding
- fixed mount
- switching device
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- Expired - Fee Related
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Abstract
A novel paper-feeding friction rapid switching device relates to a paper-feeding friction rapid switching device used in a paper advance information acquisition machine. The switching device comprises a power transmission mechanism (1), a power input mechanism (2), a right fixing frame (3), a rotating arm (4), a sensing limit plate (5), a one-way component (6), a motor micro-mechanism (7), a left fixing frame (8), a connecting shaft (9), a stepping motor (10) and a paper feeding wheel (11), wherein the other end of the rotating arm (4) is mounted in the paper feeding wheel (11) and the power transmission mechanism (1); and the paper feeding wheel (11) is connected with the power transmission mechanism (1), so that the paper feeding wheel (11) rotates to drive paper to advance. When power is required by paper sheets, the rotating arm (4) naturally moves downwards, so that the paper feeding wheel (11) can be put into contact with the paper sheets to drive the paper sheets to move; and when the friction between the paper sheets is required to be decreased, the motor micro-mechanism (7) operates, so that the one-way locking of the connecting shaft (9) can be realized under the action of the one-way component (6) to lift up the rotating arm (4), thereby reducing the friction between the paper sheets and achieving the purpose of the pre-separation between the paper sheets.
Description
Technical field:
The utility model relates to a kind of paper feed friction force apparatus for fast switching that uses in scanner, optical character reader (OCR), intelligent character reader, paper money counter and other paper feed information collection machine that is applied in.
Background technology:
At present, the paper-advance unit in the most automatic carriage system relies on the paper feeding wheel and the surface of paper and the friction force difference between paper and the paper to realize paper feed.Paper feeding wheel is to be decided by the pressure between paper feeding wheel and the paper and both friction coefficient to the friction force on paper surface, but intensified pressure also can strengthen the friction force between paper and the paper simultaneously.This just is easy to cause paper feed to re-open, and can't realize the purpose that paper separates.
The utility model content:
The purpose of this utility model provides a kind of later-model paper feed friction force apparatus for fast switching, it utilizes the fine motion of mechanism to control pressure between paper feeding wheel and the paper, before paper enters paper distributing mechanism, strengthen paper feeding wheel pressure and reach the purpose that increases the paper feed friction force, after paper enters paper distributing mechanism, eliminate the pressure between paper feeding wheel and the paper, make friction force minimum between the paper; Thereby make paper when enough paper feed friction force are arranged, paper separates unaffected.
In order to solve the existing problem of background technology, the utility model is by the following technical solutions: it is made up of Power train 1, power input mechanism 2, right fixed mount 3, pivot arm 4, sensing positioning plate 5, unidirectional component 6, motor micromotion mechanism 7, left fixed mount 8, adapter shaft 9, stepping motor 10 and paper feeding wheel 11; Right fixed mount 3 and left fixed mount 8 are arranged in the paper feed system, on right fixed mount 3 and the left fixed mount 8 adapter shaft 9 is housed, adapter shaft 9 one ends are installed power input mechanism 2 and Power train 1, and the other end is installed pivot arm 4, unidirectional component 6 and motor micromotion mechanism 7; The other end of pivot arm 4 is installed paper feeding wheel 12 and Power train 1, and paper feeding wheel 12 links to each other with Power train 1 paper feeding wheel 1 rotation drive paper is travelled forward; When paper needed power, pivot arm 4 moved downward naturally, and paper feeding wheel 12 is contacted with paper, thereby drove sheet movement; When needs reduce friction force between paper, 7 work of motor micromotion mechanism, under the effect of unidirectional component 6, make adapter shaft 9 one-way lockings, lifting of driven rotary arm 4, thereby reduce the pressure between paper feeding wheel 12 and the paper, friction force between the paper is reduced, reach the purpose of the pre-separation between the paper.
Principle of work: the Motion Transmission of power input mechanism 2 is given Power train 1, thereby makes Power train 1 motion; Power train 1 drives paper feeding wheel 12 motions, and paper feeding wheel 12 contacts with paper, makes sheet movement; The unidirectional rotation of motor micromotion mechanism driven rotary arm, other direction free state, pivot arm is rotated within the specific limits, thereby drive paper feeding wheel fine motion up and down, make contacting and break away from and finishing of paper feeding wheel 12 and paper in moment, reduce the friction force between the paper simultaneously, reach the purpose of the pre-separation between the paper.
The utlity model has following beneficial effect: it utilizes the fine motion of mechanism to control pressure between paper feeding wheel and the paper, before paper enters paper distributing mechanism, strengthen paper feeding wheel pressure and reach the purpose that increases the paper feed friction force, after paper enters paper distributing mechanism, eliminate the pressure between paper feeding wheel and the paper, make friction force minimum between the paper; Thereby make paper when enough paper feed friction force are arranged, paper separates unaffected; Realize separating and reach the purpose of paper feed between paper feed and the pre-paper feed, reduce noise simultaneously, lowering apparatus is to the requirement of paper, and is simple in structure, is easy to realize.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
The specific embodiment:
Referring to Fig. 1, this specific embodiment by the following technical solutions: it is made up of Power train 1, power input mechanism 2, right fixed mount 3, pivot arm 4, sensing positioning plate 5, unidirectional component 6, motor micromotion mechanism 7, left fixed mount 8, adapter shaft 9, stepping motor 10 and paper feeding wheel 11; Right fixed mount 3 and left fixed mount 8 are arranged in the paper feed system, on right fixed mount 3 and the left fixed mount 8 adapter shaft 9 is housed, adapter shaft 9 one ends are installed power input mechanism 2 and Power train 1, and the other end is installed pivot arm 4, unidirectional component 6 and motor micromotion mechanism 7; The other end of pivot arm 4 is installed paper feeding wheel 12 and Power train 1, and paper feeding wheel 12 links to each other with Power train 1 paper feeding wheel 1 rotation drive paper is travelled forward; When paper needed power, pivot arm 4 moved downward naturally, and paper feeding wheel 12 is contacted with paper, thereby drove sheet movement; When needs reduce friction force between paper, 7 work of motor micromotion mechanism, under the effect of unidirectional component 6, make adapter shaft 9 one-way lockings, lifting of driven rotary arm 4, thereby reduce the pressure between paper feeding wheel 12 and the paper, friction force between the paper is reduced, reach the purpose of the pre-separation between the paper.
The utility model utilizes the fine motion of mechanism to control pressure between paper feeding wheel and the paper, before paper enters paper distributing mechanism, strengthen paper feeding wheel pressure and reach the purpose that increases the paper feed friction force, after paper enters paper distributing mechanism, eliminate the pressure between paper feeding wheel and the paper, make friction force minimum between the paper; Thereby make paper when enough paper feed friction force are arranged, paper separates unaffected; Realize separating and reach the purpose of paper feed between paper feed and the pre-paper feed, reduce noise simultaneously, lowering apparatus is to the requirement of paper, and is simple in structure, is easy to realize.
Principle of work: the Motion Transmission of power input mechanism 2 is given Power train 1, thereby makes Power train 1 motion; Power train 1 drives paper feeding wheel 12 motions, and paper feeding wheel 12 contacts with paper, makes sheet movement; The unidirectional rotation of motor micromotion mechanism driven rotary arm, other direction free state, pivot arm is rotated within the specific limits, thereby drive paper feeding wheel fine motion up and down, make contacting and break away from and finishing of paper feeding wheel 12 and paper in moment, reduce the friction force between the paper simultaneously, reach the purpose of the pre-separation between the paper.
Claims (1)
1, a kind of later-model paper feed friction force apparatus for fast switching is characterized in that it is made up of Power train (1), power input mechanism (2), right fixed mount (3), pivot arm (4), sensing positioning plate (5), unidirectional component (6), motor micromotion mechanism (7), left fixed mount (8), adapter shaft (9), stepping motor (10) and paper feeding wheel (11); Right fixed mount (3) and left fixed mount (8) are arranged in the paper feed system, on right fixed mount (3) and the left fixed mount (8) adapter shaft (9) is housed, adapter shaft (9) one ends are installed power input mechanism (2) and Power train (1), and the other end is installed pivot arm (4), unidirectional component (6) and motor micromotion mechanism (7); The other end of pivot arm (4) is installed paper feeding wheel (12) and Power train (1), and paper feeding wheel (12) links to each other with Power train (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920151916U CN201385957Y (en) | 2009-05-04 | 2009-05-04 | Novel paper-feeding friction rapid switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920151916U CN201385957Y (en) | 2009-05-04 | 2009-05-04 | Novel paper-feeding friction rapid switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201385957Y true CN201385957Y (en) | 2010-01-20 |
Family
ID=41578485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920151916U Expired - Fee Related CN201385957Y (en) | 2009-05-04 | 2009-05-04 | Novel paper-feeding friction rapid switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201385957Y (en) |
-
2009
- 2009-05-04 CN CN200920151916U patent/CN201385957Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100120 Termination date: 20110504 |