Paper perforating device for accounting teaching
A punching device and teaching technology, applied in the direction of metal processing, etc., can solve the problems of easily damaged paper, low work efficiency, large labor load, etc., and achieve the effect of reducing working hours, high work efficiency, and small labor load
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[0035] A paper punching device for accounting teaching, such as Figure 1-6 As shown, it includes bottom plate 1, electric reel 2, first pull wire 3, second slide rail 4, pressure plate 5, second slide block 6, wooden collection frame 7, guide wheel 8, left bracket 9, second pull wire 10. Guide plate 11, swing rod 12, top plate 13, first slide rail 14, moving frame 15, first slide block 16, pressure bar 17, first spring 18, wedge block 19, contact roller 20, block 21, Second spring 22, lifting rod 23, perforating drill 25, sliding sleeve 26, moving rod 27 and connecting frame 28, bottom plate 1 top is provided with left bracket 9, second slide rail 4 and electric reel successively from left to right 2. The upper and lower ends of the right side of the left bracket 9 are symmetrically provided with guide wheels 8, the right side of the left bracket 9 is provided with a connecting frame 28 and a guide plate 11, the connecting frame 28 and the guiding plate 11 are located between...
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