Student examination paper automatic collecting device and method
A technology of a winding device and students, which is applied to the counting, transportation and packaging, instruments and other directions of items shipped through a conveying device, can solve the problems of candidates talking to each other and not taking the papers in time, so as to achieve fairness and impartiality in the examination and improve the efficiency of winding up. , The effect of saving winding time
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Embodiment 1
[0033] refer to Figure 1-4 , a student examination paper automatic winding device and method thereof, comprising a rolling shutter 8 installed on the classroom ceiling, the rolling shutter 8 is driven by a motor 7, an iron chain 11 is wound on the rolling shutter 8, and a conveyor belt 10 is hung on the lower end of the iron chain 11 , motor two 9 drives the conveyor belt 10, an automatic winding device is placed on the conveyor belt 10, a conveyor belt 5 is installed on both sides of the automatic winding device, a motor three 4 drives the conveyor belt 5, a photoelectric switch 2 is installed between the conveyor belt 5 and the test paper collection position, A nixie tube 3 is installed on the shell of the field winding device, and the photoelectric switch 2 and the nixie tube 3 are all connected to the single-chip microcomputer 1 .
[0034] Among them, the photoelectric switch will send a pulse signal to the single-chip microcomputer after receiving no optical signal, and ...
Embodiment 2
[0040] refer to Figure 1-4 , a student examination paper automatic winding device and method thereof, comprising a rolling shutter 8 installed on the classroom ceiling, the rolling shutter 8 is driven by a motor 7, an iron chain 11 is wound on the rolling shutter 8, and a conveyor belt 10 is hung on the lower end of the iron chain 11 , motor two 9 drives the conveyor belt 10, an automatic winding device is placed on the conveyor belt 10, a conveyor belt 5 is installed on both sides of the automatic winding device, a motor three 4 drives the conveyor belt 5, a photoelectric switch 2 is installed between the conveyor belt 5 and the test paper collection position, A nixie tube 3 is installed on the shell of the field winding device, and the photoelectric switch 2 and the nixie tube 3 are all connected to the single-chip microcomputer 1 .
[0041] Among them, the photoelectric switch will send a pulse signal to the single-chip microcomputer after receiving no optical signal, and ...
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