Automatic production device for label-free packaging bottles and labeling method thereof

An automatic production equipment for label-free packaging bottles, comprising a machine frame (1), wherein a bottle body conveying device (2) and a bottle body labeling device (3) are arranged on the machine frame (1), wherein the bottle body conveying device (2) is arranged on one side of the bottle body labeling device (3) and is in transmission connection with the bottle body labeling device (3);

• and the bottle body labeling device (3) comprises a rotating shaft (31) arranged on the machine frame (1) and an driving annular plate (32) coaxially fixed on the rotating shaft (31), a driving mechanism (11) for driving the rotating shaft (31) to rotate is arranged on the machine frame (1), a plurality of storage plates (32) are rotatably arranged on a top portion of the driving annular plate (32), the plurality of storage plates (321) are distributed in a circular array along a circumferential direction of the driving annular plate (32), at least one self-rotating motor (322) for driving the respective storage plates (321) to rotate is arranged at a bottom portion of the driving annular plate (32), a servo annular plate (33) is coaxially fixed on the rotating shaft (31), pressing assemblies (34) corresponding to the storage plates (321) are arranged on the servo annular plate (33), a plurality of laser heads (12) for bottle labeling are arranged on the machine frame (1), and the plurality of laser heads (12) are distributed in a fan ring shape on one side of the driving annular plate (32) away from the bottle body conveying device (2);
• the bottle body conveying device (2) comprises a conveying line (21), a feed driver plate (22) and a discharge driver plate (23) that are arranged on the machine frame (1), the feed driver plate (22) and the discharge driver plate (23) are respectively rotatably connected with the machine frame (1) are arranged between the conveying line (21) and the driving annular plate (32), the driving mechanism (11) is in transmission connection with the feed driver plate (22) and the discharge driver plate (23), a guide plate (24) is arranged above the conveying line (21) and the driving annular plate (32), the guide plate (24) is arranged between the feed driver plate (22) and the discharge driver plate (23), an inlet guide notch (241) coaxially arranged with the feed driver plate (22) is arranged on one side of the guide plate (24), an outlet guide notch (242) coaxially arranged with the discharge driver plate (23) is arranged on the other side thereof, a feed track (25) and a discharge track (26) are respectively arranged on both sides of the guide plate (24) on the conveying line (21), the feed track (25) is connected with the inlet guide notch (241), and the discharge track (26) is connected with the outlet guide notch (242);
• the feed track (25) comprises feed frames (251) arranged on both sides above the conveying line (21), a curved buffer channel (252) adapted to an outer diameter of the bottle body is formed between the two feed frames (251), and the curved buffer channel (252) smoothly transitions with the inlet guide notch (241);
• a material distribution driver plate (27) is rotatably connected with the one of the feed frames (251) on one side, a plurality of material distribution clamping grooves (271) for only a single bottle body to pass through are evenly arranged on an outer peripheral surface of the material distribution driver plate (27), and a distance from an outermost end of each of the material distribution clamping grooves (271) to a rotation center of the material distribution driver plate (27) is greater than a closest distance from the rotation center of the material distribution driver plate (27) to the curved buffer channel (252);
• and
• a detection frame (211) is arranged on the conveying line (21), the detection frame (211) is arranged on one side of a feeding end of one of the feed frames (251), a material detection sensor (2111) for detecting whether there is a bottle body passing below is arranged on the detection frame (211), a control cylinder (28) is arranged below the material distribution driver plate (27), the control cylinder (28) is electrically connected with the material detection sensor (2111), a lifting rod (281) is arranged on an output terminal of the control cylinder (28), a plurality of limit synapses (272) are arranged on a lower end of the material distribution driver plate (27), the plurality of limit synapses (272) are distributed in a circular array along a rotation center of the material distribution driver plate (27), and the lifting rod (281) is arranged on a circular track surrounded by the plurality of limit synapses (272).