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CN-224210769-U - Digital printing equipment for anti-counterfeiting watermark of packaging box

CN224210769UCN 224210769 UCN224210769 UCN 224210769UCN-224210769-U

Abstract

The utility model discloses anti-counterfeiting watermark digital printing equipment for a packaging box, which comprises a frame, wherein a printer is fixedly arranged on the frame, a mounting frame is arranged on the frame, a carbon fiber brush is rotatably arranged on the mounting frame, a conductive slip ring is arranged on the mounting frame, a rotor end of a conductive slip ring body is fixed at the end part of a rotating shaft of the carbon fiber brush through a hot jacket process, a conductive slip ring sub-end is fixedly arranged on the mounting frame through an insulating flange, an electrostatic generator is arranged on the right side of the frame, a high-voltage output end of the electrostatic generator is connected to an input contact of a stator end of the conductive slip ring through a shielding cable, a high-voltage electrostatic field is generated through the electrostatic generator, and is conducted to the carbon fiber brush through the conductive slip ring, so that the surface of the carbon fiber brush is electrified, and impurities such as dust and fiber on the surface of a packaging box substrate are actively adsorbed. Compared with the traditional mechanical dust removal, the cleaning efficiency of the electrostatic adsorption on the micron-sized particles is effectively improved.

Inventors

  • WANG SONG
  • CHEN GONG
  • Ding Lianqing
  • ZHANG PAN

Assignees

  • 江苏丽泰包装有限公司

Dates

Publication Date
20260508
Application Date
20250630

Claims (6)

  1. 1. The anti-counterfeiting watermark digital printing equipment for the packaging box comprises a frame (1) and a controller (3), and is characterized in that a printing machine (2) is fixedly arranged on the frame (1), a mounting frame (6) is arranged on the frame (1), a carbon fiber brush (7) is rotatably arranged on the mounting frame (6), a conductive slip ring (8) is arranged on the mounting frame (6), a rotor end of a body of the conductive slip ring (8) is fixed at the end part of a rotating shaft of the carbon fiber brush (7) through a hot jacket process, a child end of the conductive slip ring (8) is fixedly arranged on the mounting frame (6) through an insulating flange, a right side of the frame (1) is provided with an electrostatic generator (9), a high-voltage output end of the electrostatic generator (9) is connected to an input contact at a stator end of the conductive slip ring (8) through a shielding cable, an output contact at a rotor end of the conductive slip ring (8) is conducted to the carbon fiber brush (7), a dust collection opening (14) is fixedly arranged on the mounting frame (6), a mounting box (15) is fixedly arranged on the frame (1), the dust collection opening (14) is attached to the carbon fiber brush (7), the surface of the carbon brush (7) is fixedly connected with the mounting box (15) through the dust collection opening (17), install negative pressure fan (16) on mounting box (15), negative pressure fan (16) are located the top of mounting panel (17), dust absorption mouth (14) are located the below of mounting panel (17) through the junction of connecting pipe with mounting box (15), fixed mounting has multiunit equidistance to distribute on mounting panel (17) to strain a section of thick bamboo (18), strain and offered gas outlet (19) in section of thick bamboo (18).
  2. 2. The packaging box anti-counterfeiting watermark digital printing equipment is characterized in that an air cylinder (4) is mounted on the frame (1), the mounting frame (6) is fixedly connected with the output end of a piston rod of the air cylinder (4), a circulating air pump (5) is mounted on the frame (1), the air outlet end of the air cylinder (4) is connected with the air inlet of the circulating air pump (5) through a purifying pipeline, and the air outlet (19) of the circulating air pump (5) is connected to the air inlet end of the air cylinder (4) through a high-pressure air pipe.
  3. 3. The anti-counterfeiting watermark digital printing equipment for the packaging box is characterized in that a plurality of groups of filter cartridges (18) are respectively provided with a scraping brush (20) in a sliding mode, a fixing frame (21) is fixedly arranged in the mounting box (15), the scraping brushes (20) are attached to the surfaces of the filter cartridges (18), the scraping brushes (20) are in sliding connection with the fixing frame (21), a fixing rod (22) is fixedly arranged in the fixing frame (21), the scraping brushes (20) are in sliding sleeve connection with the fixing rod (22), and a second cam (24) is rotatably arranged on the fixing frame (21).
  4. 4. The anti-counterfeiting watermark digital printing equipment for the packaging box is characterized in that two groups of second springs (23) which are symmetrically distributed are sleeved on the fixing part, two ends of the two groups of second springs (23) are fixedly connected with the scraping brush (20) and the fixing frame (21) respectively, and the second cam (24) is attached to the scraping brush (20).
  5. 5. The anti-counterfeiting watermark digital printing equipment for the packaging box is characterized in that a scraping plate (10) is slidably arranged on the mounting frame (6), the scraping plate (10) is located above the dust collection opening (14), the scraping plate (10) is in fit with the surface of the carbon fiber hairbrush (7), a sliding rod (11) is fixedly arranged on the mounting frame (6), a first cam (13) is rotatably arranged on the mounting frame (6), and the first cam (13) is in fit with the scraping plate (10).
  6. 6. The anti-counterfeiting watermark digital printing equipment for the packaging box according to claim 5 is characterized in that the scraping plate (10) is in sliding sleeve connection with the sliding rod (11), two groups of symmetrically distributed first springs (12) are sleeved on the sliding rod (11), and two ends of the two groups of first springs (12) are fixedly connected with the scraping plate (10) and the mounting frame (6) respectively.

Description

Digital printing equipment for anti-counterfeiting watermark of packaging box Technical Field The utility model relates to the technical field of packaging box printing, in particular to packaging box anti-counterfeiting watermark digital printing equipment. Background The anti-counterfeit watermark is a technology which is easy to identify and is clamped in paper, and can enable light rays to pass through so as to display various shadows. The watermark is sometimes seen when reflecting strong light or above a dark background. This phenomenon is caused by a variation in the thickness of the paper or the density of the paper. There are two main methods for producing paper with watermarks, the calender process and the rotary screen printing process. In the production process of energy-saving packaging boxes, people often print anti-counterfeiting watermark numbers on the surfaces of the packaging boxes. In the prior art, static charges are generated by friction of packaging box base materials in processing and storage and transportation, dust, fibers and other impurities in the environment can be actively adsorbed, if the defects of poor transfer, missing printing, ink spots, meteor lines and the like of printing ink are directly caused, the definition of graphics and texts is affected, and the existing printing equipment does not have good limiting measures for the packaging box base materials of different types, so that the deviation of printing precision can be caused by the deviation of positions in the printing process of the base materials. Disclosure of utility model The utility model aims to provide a digital printing device for anti-counterfeiting watermarks of packaging boxes, which aims to solve the problems in the background technology. In order to achieve the purpose, the packaging box anti-counterfeiting watermark digital printing equipment comprises a frame and a controller, wherein a printing machine is fixedly installed on the frame, a mounting frame is arranged on the frame, a carbon fiber brush is rotatably installed on the mounting frame, a conductive slip ring is arranged on the mounting frame, a rotor end of a conductive slip ring body is fixed at the end part of a carbon fiber brush rotating shaft through a hot jacket process, a conductive slip ring sub-end is fixedly installed on the mounting frame through an insulating flange, an electrostatic generator is arranged on the right side of the frame, a high-voltage output end of the electrostatic generator is connected to an input contact of a conductive slip ring stator end through a shielding cable, an output contact of the conductive slip ring rotor end is conducted to the carbon fiber brush, dust collection openings are fixedly installed on the mounting frame, a mounting box is fixedly installed on the frame and is attached to the surface of the carbon fiber brush, the dust collection openings are fixedly connected with the mounting box through connecting pipes, mounting plates are fixedly installed in the mounting box, negative fans are installed on the mounting box and are located above the mounting plates, the dust collection openings are located below the mounting plates through the connecting pipes, and filter cylinders are distributed in the mounting plates and are distributed at equal intervals. As a further preferable mode of the technical scheme, the air cylinder is arranged on the frame, the mounting frame is fixedly connected with the output end of the piston rod of the air cylinder, the circulating air pump is arranged on the frame, the air outlet end of the air cylinder is connected with the air inlet of the circulating air pump through the purifying pipeline, and the air outlet of the circulating air pump is connected to the air inlet end of the air cylinder through the high-pressure air pipe. As a further preferable mode of the technical scheme, the plurality of groups of filter cylinders are provided with scraping brushes in a sliding mode, a fixing frame is fixedly installed in the installation box, the scraping brushes are attached to the surface of the filter cylinders, the scraping brushes are connected with the fixing frame in a sliding mode, fixing rods are fixedly installed in the fixing frame, the scraping brushes are in sliding sleeve joint with the fixing rods, and a second cam is installed on the fixing frame in a rotating mode. As a further preferable mode of the technical scheme, the fixed upper sleeve is sleeved with two groups of second springs which are symmetrically distributed, two groups of second springs are respectively fixedly connected with the scraping brush and the fixing frame, and the second cams are attached to the scraping brush. As the further preferred of this technical scheme, slidable mounting has the scraper blade on the mounting bracket, the scraper blade is located the dust absorption mouth top, the scraper blade sets up with the laminating of carbon fiber brush surface, fixed mounti