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CN-121989551-A - Continuous plastic film water-based oil film printer

CN121989551ACN 121989551 ACN121989551 ACN 121989551ACN-121989551-A

Abstract

The invention relates to the technical field of ink printing and discloses a continuous plastic film water-based oil film printer which comprises a base, a printing frame arranged on the base, a printing mechanism arranged on the printing frame and used for printing a plastic film, an ink collecting mechanism arranged on the printing frame and an ink scraping mechanism arranged on the ink collecting mechanism, wherein the printing mechanism comprises a printing assembly movably assembled on the printing frame and comprises an anilox roller and a printing plate roller used for printing the plastic film, and the ink scraping mechanism comprises an ink scraping shell, and a first ink scraping knife used for scraping ink on the surface of the anilox roller is slidably arranged on the ink scraping shell. The continuous plastic film water-based oil film printer scrapes excessive ink of the anilox roller through the first doctor blade and recycles the excessive ink, reduces resource waste, and cleans the printing plate roller in real time through the second doctor blade, ensures that the thickness of the ink layer is uniform, avoids different colors of printed patterns, and improves the stability of printing quality.

Inventors

  • WANG XIAOJUN

Assignees

  • 苏州市远瑞包装有限公司

Dates

Publication Date
20260508
Application Date
20251231

Claims (10)

  1. 1. The continuous plastic film water-based oil film printer comprises a machine base (10), a printing frame (101) arranged on the machine base (10), and is characterized by further comprising a printing mechanism (20) arranged on the printing frame (101) for printing a plastic film, an ink receiving mechanism (30) arranged on the printing frame (101), and an ink scraping mechanism (40) arranged on the ink receiving mechanism (30); The printing mechanism (20) comprises a printing assembly (23) movably assembled on the printing frame (101), and the printing assembly (23) comprises an anilox roller (232) and a printing plate roller (233) for performing printing operation on the plastic film; The ink scraping mechanism (40) comprises an ink scraping shell (41), a first ink scraping blade (42) for scraping ink on the surface of the anilox roller (232) and a second ink scraping blade (43) for scraping ink on the surface of the printing plate roller (233) are slidably arranged on the ink scraping shell (41), a first magnet block (44) is fixedly arranged on one side, opposite to the second ink scraping blade (43), of the first ink scraping blade (42), a second magnet block (45) is fixedly arranged on one side, opposite to the first ink scraping blade (42), of the second ink scraping blade (43), one surface, opposite to the second magnet block (45), of the first magnet block (44) is the same in magnetism, a repulsive magnetic field force is arranged between the first magnet block (44) and the second magnet block (45), and the repulsive magnetic force between the first magnet block (44) and the second magnet block (45) pushes the first ink scraping blade (42) and the second magnet block (43) to be respectively adaptive to the surface of the anilox roller (232) and the printing plate roller (232), and the printing plate can be scraped off the excessive ink on the surface of the printing plate roller (232).
  2. 2. A continuous plastic film aqueous oil film printer according to claim 1, wherein the printing assembly (23) further comprises an ink roller (231) and a conveying roller (234), the ink roller (231) is arranged on the left side of the anilox roller (232), the conveying roller (234) is arranged on the right side of a printing plate roller (233), and a printing channel for moving the plastic film is arranged between the printing plate roller (233) and the conveying roller (234).
  3. 3. The continuous plastic film water-based oil film printer as claimed in claim 2, wherein the printing mechanism (20) further comprises a driving motor (21) and a transmission assembly (22) which are assembled on the outer wall of the printing frame (101), the transmission assembly (22) comprises a protective shell (221), a first gear (222) is arranged inside the protective shell (221), a second gear (223) is connected to the right side of the first gear (222) in a meshed mode, a third gear (224) is connected to the right side of the second gear (223) in a meshed mode, and a fourth gear (225) is connected to the right side of the third gear (224) in a meshed mode.
  4. 4. The continuous plastic film aqueous oil film printer according to claim 3, wherein the rotating shaft of the ink roller (231) is fixedly connected with the first gear (222) through the printing frame (101), the rotating shaft of the anilox roller (232) is fixedly connected with the second gear (223) through the printing frame (101), the rotating shaft of the printing plate roller (233) is fixedly connected with the third gear (224) through the printing frame (101), and the rotating shaft of the conveying roller (234) is fixedly connected with the fourth gear (225) through the printing frame (101); The output end of the driving motor (21) is fixedly connected with a rotating shaft on the ink roller (231).
  5. 5. A continuous plastic film aqueous oil film printer as claimed in claim 2, wherein the printing mechanism (20) further comprises a printing ink cartridge (24) fixedly mounted on the inner wall of the printing frame (101), and the printing ink cartridge (24) is positioned at the bottom of the ink roller (231).
  6. 6. The continuous plastic film water-based oil film printer according to claim 5, wherein the ink receiving mechanism (30) comprises an ink receiving shell (31) fixedly assembled on the inner wall of a printing frame (101), a guide plate (32) is fixedly arranged on the upper side of the ink receiving shell (31), splash baffles (33) for preventing the ink from splashing are fixedly arranged on the left side and the right side of the guide plate (32), and the splash baffles (33) are in an inverted J shape; The ink collecting device is characterized in that an inner cavity for collecting ink is formed in the ink collecting shell (31), a guide seat (311) for guiding the ink is fixedly arranged in the inner cavity of the ink collecting shell (31), a circulating pipe (34) for circulating the ink is fixedly arranged at the bottom of the ink collecting shell (31), and one end, far away from the ink collecting shell (31), of the circulating pipe (34) is fixedly connected with the printing ink box (24).
  7. 7. The continuous plastic film water-based oil film printer according to claim 6, wherein the guide plate (32) is provided with a plurality of through holes (321), and a plurality of dispersion balls (322) for disturbing the ink are arranged on the upper side of the guide plate (32).
  8. 8. The continuous plastic film water-based oil film printer according to claim 1, wherein the ink scraping mechanism (40) further comprises a stabilizing slide bar (46) fixedly assembled inside the ink scraping shell (41), two stabilizing slide sleeves (47) are slidably mounted on the stabilizing slide bar (46), the two stabilizing slide sleeves (47) are fixedly connected with the first magnet block (44) and the second magnet block (45) respectively through connecting pieces (471), a supporting spring (48) is sleeved on the periphery of the stabilizing slide bar (46), the supporting spring (48) is located between the two stabilizing slide sleeves (47), and two induction assemblies (49) are mounted on the stabilizing slide bar (46).
  9. 9. The continuous plastic film aqueous oil film printer as set forth in claim 8, wherein the sensing assembly (49) comprises a first sensing piece (491) and a second sensing piece (492), the first sensing piece (491) is fixedly assembled on one side of the stabilizing sliding sleeve (47), the second sensing piece (492) is fixedly assembled on the stabilizing sliding sleeve (46), and the first sensing piece (491) and the second sensing piece (492) are electrically connected.
  10. 10. The continuous plastic film water-based oil film printer is characterized in that a feeding mechanism (11) for discharging plastic films is arranged on the left side of the machine base (10), a drying mechanism (12) for drying the printed plastic films is arranged on the right side of the machine base (10), and a receiving mechanism (13) for receiving the printed plastic films is arranged on the right side of the drying mechanism (12); The printing frame (101) is fixedly provided with a plurality of guide rollers (14) for guiding the printing of the plastic film.

Description

Continuous plastic film water-based oil film printer Technical Field The invention belongs to the technical field of ink printing, and particularly relates to a continuous plastic film water-based oil film printer. Background The plastic film is widely used as packaging materials or decorative carriers of various products by virtue of the excellent characteristics of light weight, flexibility, high transparency, water resistance, moisture resistance and the like, and is usually required to be printed for giving the plastic film rich colors, exquisite patterns and specific identification information, meeting the various demands of product propaganda, brand popularization, product protection and the like, wherein the water-based ink printing has the remarkable advantages of outstanding environmental protection performance, good printing suitability, high drying speed and the like, and gradually becomes one of the main technologies in the field of plastic film printing, and the printer for the water-based ink printing of the plastic film is used as core equipment for realizing the printing process, and is used for carrying out the key task of accurately and uniformly transferring the water-based ink to the surface of the plastic film, and completing the continuous printing operation of the plastic film by tightly matching and cooperative work among all parts so as to ensure that the final printed product can present clear, bright and stable printing effect and meet the demands of the market for the high-quality plastic film printed product. However, in the existing practical production process for printing with water-based ink on plastic films, although the printer can realize basic printing functions to a certain extent, there are a plurality of disadvantages and shortcomings, firstly, in the printing process, since the anilox roller and the printing plate roller continuously and continuously carry out printing operation on the plastic films, the anilox roller and the printing plate roller can continuously absorb ink from an ink supply system, the distribution of the ink on the surfaces of the anilox roller and the printing plate roller gradually becomes uneven along with the extension of the printing time, the thickness of the ink layer printed on the plastic films is difficult to keep consistent, the difference of the thickness of the ink layer can be directly reflected on the printed matters, the color depth of the printed patterns is different, the visual effect and the quality consistency of the printed matters are seriously affected, and the defects exist, the printing use requirements of manufacturers cannot be met, and further improvement is needed. Accordingly, the present invention has been made in view of the above problems, and an object of the present invention is to provide a continuous plastic film aqueous oil film printer which has a practical value. Disclosure of Invention In order to solve the technical problems, the invention provides a continuous plastic film water-based oil film printer, which is realized by the following specific technical means: the continuous plastic film water-based oil film printer comprises a machine base, a printing frame arranged on the machine base, a printing mechanism arranged on the printing frame for printing a plastic film, an ink receiving mechanism arranged on the printing frame, and an ink scraping mechanism arranged on the ink receiving mechanism; the printing mechanism comprises a printing assembly movably assembled on the printing frame, and the printing assembly comprises an anilox roller and a printing plate roller for performing printing operation on the plastic film; The ink scraping mechanism comprises an ink scraping shell, a first scraping knife for scraping ink on the surface of the anilox roller and a second scraping knife for scraping ink on the surface of the printing plate roller are slidably arranged on the ink scraping shell, a first magnet block is fixedly arranged on one side, opposite to the second scraping knife, of the first scraping knife, a second magnet block is fixedly arranged on one side, opposite to the first scraping knife, of the second scraping knife, one surface, opposite to the second magnet block, of the first magnet block is of the same magnetism, repulsive magnetic field force is arranged between the first magnet block and the second magnet block, and the first scraping knife and the second scraping knife are pushed to be respectively and adaptively abutted to the surfaces of the anilox roller and the printing plate roller through repulsive magnetic force between the first magnet block and the second magnet block, and redundant ink on the surfaces of the anilox roller and the printing plate roller can be scraped. According to the technical scheme, the printing plate roller is further described, the first doctor blade is used for scraping the excessive printing ink of the anilox roller and recycling the printing ink, so