Novel anti-re-feeding pickup mechanism
A new type of paper pick-up roller technology, applied in the field of printers, can solve the problems of the complex structure of the paper feeding and multi-sheet separation control device, the difficulty in detecting paper overlap, and the difficulty of increasing the control, and achieves simple structure, simple and effective work, and avoidance of heavy lifting. The effect of sending
Pending Publication Date: 2020-03-06
NINGBO DELI KEBEI TECH CO LTD
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Problems solved by technology
On the one hand, the paper feeding and double sheet separation control device requires an additional sensor and a mechanism for adjusting the contact pressure between the feed wheel and the reverse wheel, which makes the structure of the paper feed and double sheet separation control device more complicated. In addition, the difficulty of controlling
On the other hand, it is relatively difficult to detect paper overlapping, and when there are multiple overlapping, the feed wheel and reverse wheel cannot effectively reset all the overlapping paper below
Method used
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Embodiment Construction
[0023] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0024] Such as figure 1 and figure 2 As shown, the new anti-heavy feed pickup mechanism in this embodiment is installed in the body of the printer, including a paper bin 1, a pickup roller 2, a separation plate 3, a paper stop arm 4 and a power arm 5.
[0025] Wherein the paper bin 1 is arranged horizontally at the lower part of the machine body, and the separating plate 3 is arranged obliquely on the side of the outlet end of the paper bin 1 relative to the horizontal direction. The pick-up roller 2 is set above the exit area of the paper bin 1. When picking up paper, the pick-up roller 2 contacts the uppermost paper in the paper bin 1, and the pick-up wheel 2 rotates, thereby driving the paper in the paper bin 1 to separate. Normally, the paper below the uppermost paper will not move due to the influence of static friction, but the uppe...
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The invention relates to a novel anti-re-feeding pickup mechanism. The mechanism comprises a paper bin, pickup rollers and separation plates; the separation plates are arranged at an exit end of the paper bin; paper blocking arms can swing freely up and down; the paper blocking arms are arranged above a paper bin exit section; strip-shaped holes opened upward are arranged on the separation plates;and free ends of the paper blocking arms can be placed in the strip-shaped holes. The novel anti-re-feeding pickup mechanism can reset retained paper into the paper bin by moving down the paper blocking arms, the occurrence of re-feeding can be effectively avoided during next pickup, the probability of the re-feeding is greatly reduced, and the user experience is good. In addition, according to the novel anti-re-feeding pickup mechanism, the structure is simple, the number of pieces of pickup paper during pickup does not need to be detected, the work is simple and effective, the paper reset operation can be completed for different numbers of the retained paper, and the reliability of paper reset is high.
Description
technical field [0001] The invention relates to the technical field of printers, in particular to a novel anti-overfeed paper pickup mechanism. Background technique [0002] When the printer is feeding paper, it needs to use the pickup roller to rub the uppermost paper in the paper box to the separation wall to separate it from other paper, and then enter the printing channel for printing. However, during the paper pickup process, occasionally several sheets of paper are rubbed onto the separation wall at the same time, and then when the uppermost paper enters the printing path, the following one or several sheets remain on the separation wall. Or at the entrance of the printing path, in this case, the probability of double-feeding in subsequent pickups is greatly increased. [0003] The Chinese invention patent application with the publication number CN1919709A (application number 200610068738.7) "A Paper Feeding and Double Sheet Separation Control Device", wherein the dis...
Claims
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IPC IPC(8): B65H3/50B65H3/06
CPCB65H3/0638B65H3/50B65H2801/12
Inventor 孙连晨邵粱皓王立成
Owner NINGBO DELI KEBEI TECH CO LTD