Unwinding mechanism and cleaning device
A technology of unwinding mechanism and cleaning device, which is applied in the field of card cleaning, and can solve the problems of affecting the cleaning effect of the cleaning tape, affecting the uniformity of the cleaning tape, and affecting the length of the cleaning tape.
Inactive Publication Date: 2020-04-28
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Problems solved by technology
[0002] In the cleaning mechanism, when the rewinding shaft is driven by the stepping motor to take up the cleaning tape, the cleaning tape on the unwinding reel also rolls along with it. If a certain damping force is not applied to the unwinding reel, the cleaning tape cannot be rolled up during the winding process. Tension, which will affect the length of the cleaning tape rolled up, will also affect the neatness of the cleaning tape on the winding drum on the winding shaft
In the prior art device that applies a damping force to the unwinding shaft, the damping force will change during the rotation of the unwinding shaft, thereby affecting the tension of the cleaning tape and affecting the cleaning effect of the cleaning tape
Method used
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[0023] Specific embodiments of the present disclosure will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present disclosure, and are not intended to limit the present disclosure.
[0024] The terms "first", "second" and the like used in the embodiments of the present disclosure are used to distinguish one element from another, and do not have order or importance.
[0025] According to one aspect of the present disclosure, an unwinding mechanism 100 is provided, such as Figure 1-3 As shown, the unwinding mechanism 100 includes a support 10 , a rotating shaft 20 and a damping mechanism 30 . One end of the rotating shaft 20 is used for transmission connection with the unwinding drum 40 , and the rotating shaft 20 passes through the support 10 and can rotate around its own axis. The damping mechanism 30 includes an elastic member 31 , a ...
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The invention relates to an unwinding mechanism and a cleaning device. The unwinding mechanism comprises a support, a rotating shaft and a damping mechanism, wherein one end of the rotating shaft is in transmission connection with an unwinding drum, the rotating shaft penetrates through the support and can rotate around the axis of the rotating shaft, the damping mechanism comprises an elastic piece, a stop piece, a static friction plate and a dynamic friction plate, the static friction plate is fixedly arranged on the support and opposite to the dynamic friction plate, the dynamic friction plate is slidably arranged on the rotating shaft in the axis direction of the rotating shaft, the dynamic friction plate and the stop piece are in transmission connection with the rotating shaft, the elastic piece abuts against the position between the dynamic friction plate and the stop piece so as to apply pressure to the dynamic friction plate, then the dynamic friction plate abuts against the static friction plate, and the two ends of the elastic piece are in transmission connection with the dynamic friction plate and the stop piece correspondingly so that the elastic piece can rotate alongwith the rotating shaft. According to the unwinding mechanism and the cleaning device, the dynamic friction force generated between the dynamic friction plate and the static friction plate is also constant, so that constant damping force is provided for the unwinding drum through the elastic piece, and stable output of cleaning adhesive tape is guaranteed.
Description
technical field [0001] The present disclosure relates to the technical field of card cleaning, in particular to an unwinding mechanism and a cleaning device. Background technique [0002] In the cleaning mechanism, when the rewinding shaft is driven by the stepping motor to take up the cleaning tape, the cleaning tape on the unwinding reel also rolls accordingly. If a certain damping force is not applied to the unwinding reel, the cleaning tape cannot be rolled up during the winding process. Tension will affect the length of the cleaning tape that is rolled up, and will also affect the regularity of the cleaning tape on the winding drum on the winding shaft. In the device in the prior art that applies a damping force to the unwinding shaft, the damping force will change during the rotation of the unwinding shaft, thereby affecting the tension of the cleaning tape and affecting the cleaning effect of the cleaning tape. Contents of the invention [0003] The purpose of the ...
Claims
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Login to View More IPC IPC(8): B08B7/00B08B13/00B65H23/182
CPCB08B7/0028B08B13/00B65H23/182
Inventor 蔡胜国
Owner AEROSPACE INFORMATION