In-mould printing method for blow-molded thin-wall container
A thin-walled container, blow molding technology, applied in metal processing and other directions, can solve problems such as high cost and complex process steps, and achieve the effects of high production efficiency, simple process, and high production accuracy
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[0032] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.
[0033] The invention provides an in-mold printing method for blow-molded thin-walled containers, which realizes a structure such as Figure 1-4 As shown, the in-mold printing of thin-walled injection molded products is realized through a cycle operation. The cycle process includes the following steps:
[0034] (1) The winding motor 15 runs to drive the label roll 7 to move at a constant speed, and the damping unwinding wheel 16 generates a slight resistance torque to prevent the label roll 7 from wrinkling or wavy. When the photoelectric positioner 17 scans the label roll The positioning stripe 702 on the 7 and the winding motor stops. At this time, the pattern area on the label roll 7 is projected on the front end surface 402 of the wedge mold 4;
[0035] (2) The main cylinder 6 push...
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