Paper pickup pressure adjustment mechanism and image forming device
A technology for adjusting mechanism and pressure, applied in the fields of paper pickup pressure adjustment mechanism and image forming device, can solve the problem of high cost, achieve simple structure, low cost, and improve the effect of paper pickup abnormal noise
Inactive Publication Date: 2018-05-08
KONICA MINOLTA TECH DEV WUXI
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Problems solved by technology
However, the disadvantage of this solution is that it requires an extremely precise detection system and servo system, resulting in high cost
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[0057] Hereinafter, preferred embodiments of the present invention will be described in detail based on the drawings. In addition, those skilled in the art can implement various alternatives under the inspiration of these embodiments, and the present invention is not limited to the preferred embodiments described here.
[0058] Figure 4 is a configuration diagram schematically showing the image forming apparatus. The image forming units 100Y, 100M, 100C, and 100BK form images of yellow (Y), magenta (M), cyan (C), and black (BK), respectively.
[0059] The surfaces of the photosensitive drums Y, M, C, and BK are charged together by the charging sections 12Y, 12M, 12C, and 12BK, and are exposed by scanning of the photosensitive drums Y, M, and C through the scanning exposure of the optical writing sections 13Y, 13M, 13C, and 13BK. , BK forms a latent image. In addition, an image (toner image) of a predetermined color corresponding to any one of yellow, magenta, cyan, and bla...
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The invention relates to a paper rubbing pressure adjusting mechanism and an image forming device comprising the same. The paper rubbing pressure adjusting mechanism can be used for dynamically adjusting the paper rubbing pressure by a simple structure and a low cost and can improve poor clockwise rotation of a paper rubbing roller so as to prevent retransmission of paper and prolong the service life of the paper rubbing roller. The paper rubbing pressure adjusting mechanism comprises a supporting component, the paper rubbing roller, a moment limiter, a ratchet wheel, a linked moment arm and a force applying component, wherein the paper rubbing roller is arranged on a paper rubbing roller shaft and rotates with the paper rubbing roller shaft; the moment limiter is used for applying a paper rubbing moment to the paper rubbing roller; the ratchet wheel rotates with the paper rubbing roller shaft and the paper rubbing roller; the linked moment arm is arranged at the supporting component and can rotate by taking a pivot as a fulcrum; one end of the linked moment arm can be connected with the ratchet wheel in a clamped mode; and the force applying component is used for adjusting the paper rubbing pressure according to the clamping state of the ratchet wheel and the linked moment arm.
Description
technical field [0001] The present invention relates to a paper pickup pressure adjustment mechanism and an image forming apparatus provided with the paper pickup pressure adjustment mechanism, in particular to a paper pickup pressure adjustment mechanism capable of automatically and dynamically adjusting paper pickup pressure with a simple structure and low cost . Background technique [0002] Conventionally, it is known that an image forming apparatus (for example, a multifunction machine, and the present invention will mainly be described using a multifunction machine as an example) includes a paper pickup mechanism. figure 1 It is a schematic diagram showing a part of the structure of a conventional multifunction machine equipped with a paper pickup mechanism. As shown in the figure, the composite machine includes a paper feed roller 1 that is driven to rotate by a motor. (the area where the paper feed roller 1 cooperates with the pick-up roller 2 described later to ni...
Claims
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IPC IPC(8): B65H3/54
Inventor 杨蕴震
Owner KONICA MINOLTA TECH DEV WUXI