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Automatic paper feeding device

An automatic paper feeding device and paper feeding technology, which are applied in the directions of transportation and packaging, object separation, object supply, etc.

Inactive Publication Date: 2011-07-13
PRIMAX ELECTRONICS LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In view of the inconvenience caused by the commonly used automatic paper feeding device, an automatic paper feeding device that can detect multi-feeding and return paper is required

Method used

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Examples

Experimental program
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Embodiment Construction

[0065] see figure 1 , which is a side view of the structure of the automatic paper feeding device in a preferred embodiment of the present invention. The automatic paper feeding device 1 includes a paper feeding box 10, a paper feeding channel 11, a paper taking module 12, a friction wheel 13, a thickness detection module 14, a document sensor 15, and a control unit 16 (please refer to image 3 ), a paper feed roller 17, a paper output roller set 18 and a paper output box 19. The paper tray 10 is used for placing a plurality of files S, wherein the plurality of files S includes a first file S1 and a second file S2. The paper picking module 12 is used to feed a plurality of documents S on the paper tray 10 into the paper feeding channel 11. The paper picking module 12 includes a paper picking roller 121 and a paper separating roller 122. The paper picking roller 121 follows the paper separating roller 122 rotates synchronously, and the rotation direction of the pickup roller ...

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Abstract

The invention relates to an automatic paper feeding device which comprises a paper feeding tray, a paper feeding channel, a paper taking module, a frictional wheel, a thickness detection module and a control unit. The paper taking module is driven to feed a file on the paper feeding tray into the paper feeding channel; the thickness detection module is used for detecting the thickness of the fileentering the paper feeding channel; and the control unit is used for judging whether multiple paper feeding happens. When the multiple paper feeding happens, the paper taking module reversely rotatesto feed the file to the paper feeding tray. The frictional wheel provides a smaller frictional force when the paper taking module reversely rotates so that the file is returned to the paper feeding tray.

Description

technical field [0001] The invention relates to an automatic paper feeding device, in particular to an automatic paper feeding device with the function of unwinding paper. Background technique [0002] Early scanning devices can only scan the image of a single document. When a user wants to scan a stack of documents, he must take out the scanned document after the scanning device scans a document and place the next document on the scanning device. Scan the next document. In view of the trouble of manually replacing documents, an automatic paper feeding device has been developed on the market. When used with a scanning device, a stack of documents can be scanned without manual document replacement, and even double-sided scanning of documents can be completed. [0003] Generally speaking, the automatic document feeding device is equipped with a paper-feeding module, which is used to feed a stack of documents from the paper tray where the documents are placed and move in a pap...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65H7/12B65H3/06B65H3/46B65H5/06B65H7/14H04N1/04
Inventor 潘永太管建国陈义樑郭秉宏
Owner PRIMAX ELECTRONICS LTD
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