Perforation anti-counterfeiting device of finished piece box body
A technology of an anti-counterfeiting device and a box body, which is applied in packaging and other directions, can solve the problems of high price, insignificant anti-counterfeiting effect, increased cost, etc., and achieve the effect of simple structure and remarkable anti-counterfeiting effect.
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[0021] The present invention will be further described below in conjunction with accompanying drawing.
[0022] Such as figure 1 and figure 2 As shown, a box punching anti-counterfeiting device for finished products includes a rotary knife roller 1, a cylinder 2, a position detector 3, a position detector 2 4 and a control circuit;
[0023] The rotary knife roller 1 is connected to the cylinder 2, and the cylinder 2 is installed on the brackets at both ends of the conveying track body;
[0024] The perforation depth of the rotary knife roller 1 is greater than the thickness of the sealing tape, and less than the sum of the thickness of the sealing tape and the thickness of the bottom layer of the tape, and a punching head 1-2 for punching is installed on the rotary knife roller 1;
[0025] Position detector one 3 and position detector two 4 are sequentially installed on one side of the transport track in the forward direction, position detector one (3) and position detecto...
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