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CN-122018239-A - Exposure device is used in flexographic plate production

CN122018239ACN 122018239 ACN122018239 ACN 122018239ACN-122018239-A

Abstract

The invention discloses an exposure device for producing a flexible plate, which relates to the technical field of printing equipment and comprises a first transverse plate, wherein one end of the first transverse plate is fixedly provided with a third transverse plate, the top of the third transverse plate is correspondingly provided with a fourth transverse plate, the side surfaces of the third transverse plate and the fourth transverse plate are jointly provided with a spreading component, the spreading component comprises a reference frame and a limit frame, a scraper is slidably arranged in the limit frame, the bottom surface of the scraper is flush with the bottom surface of the limit frame, a plurality of cutting strips are equidistantly arranged at the bottom of the scraper along the horizontal direction, the limit frame is superposed on the top of the reference frame, the reference frame replaces a foam adhesive tape of a traditional positioning transparent film, the accurate alignment of the transparent film and a resin coating area is realized, the reference frame is matched by virtue of the scraper in the limit frame, the uniform scraping of liquid resin is synchronously completed, the uniform thickness of the resin layer is ensured to be uniform, the bottom cutting strips are synchronous and the superficial air bubbles are broken in the scraping process of the scraper, the defect of a printing plate caused by air bubble residue is avoided, and the plate making precision and the yield are ensured.

Inventors

  • ZHOU KUN
  • Hua Lilie
  • ZHOU XIN

Assignees

  • 杭州飞洋包装材料有限公司

Dates

Publication Date
20260512
Application Date
20260325

Claims (10)

  1. 1. The exposure device for producing the flexible plate comprises a first transverse plate (1) and is characterized in that one end of the first transverse plate (1) is provided with a third transverse plate (9), the top of the third transverse plate (9) is provided with a fourth transverse plate (17), and the side surfaces of the third transverse plate (9) and the fourth transverse plate (17) are provided with a spreading component; the spreading component comprises a reference frame (25) and a limit frame (26) which are arranged on one side of the third transverse plate (9) and one side of the fourth transverse plate (17); A scraping plate (2609) is slidably arranged in the limiting frame (26), and the bottom surface of the scraping plate (2609) is flush with the bottom surface of the limiting frame (26); A cutting strip (2670) is arranged at the bottom of the scraper (2609) at equal intervals along the horizontal direction of the scraper (2609); the limiting frame (26) is arranged at the top of the reference frame (25), and has the same size as the reference frame (25), foam adhesive tapes for positioning the transparent film are replaced by the reference frame (25), so that the foam adhesive tapes with easy displacement and low precision are abandoned, the accurate positioning of the transparent film and a resin coating area is realized, the scraping of liquid resin is synchronously completed by matching the scraping plate (2609) in the limiting frame (26) with the reference frame (25), the thickness consistency of the resin layer is ensured, meanwhile, in the synchronous process of scraping the liquid resin by the scraping plate (2609), the cutting strip (2670) is utilized to puncture and destroy residual bubbles on the surface and the shallow layer of the liquid resin in real time, the hidden bubble hazards are rapidly eliminated, the problem of plate relief caused by residual bubbles is avoided, the spreading quality of the liquid resin is improved, and the qualification rate of plate making and finished products are improved.
  2. 2. The exposure device for producing the flexible plate of claim 1, wherein a storage box (2601) is arranged in the middle of one end of the limiting frame (26), a discharge hole (2602) is formed below one side of the storage box (2601), second limiting blocks (2603) are symmetrically arranged on one side of the bottom of the storage box (2601), and a baffle (2604) is arranged on one side of the inside of the storage box (2601).
  3. 3. The exposure device for producing the flexible plate according to claim 2, wherein second limiting rods (2607) are symmetrically arranged at the top of the scraping plate (2609), a fifth transverse plate (2605) is movably penetrated through the two second limiting rods (2607), a pressing block (2608) is fixedly connected to the top ends of the two second limiting rods (2607), compression springs (2671) with two ends respectively abutted to the pressing block (2608) and the second limiting rods (2607) are sleeved on the outer peripheral surface of the two second limiting rods (2607), and pulleys (2606) are symmetrically arranged at the two ends of the fifth transverse plate (2605).
  4. 4. The exposure device for flexographic plate production according to claim 3, wherein the bottoms of the two ends of the fourth transverse plate (17) are fixedly connected with second cushion blocks (16), the bottoms of the second cushion blocks (16) are connected with the tops of the two ends of the third transverse plate (9), third electric sliding rails (18) are symmetrically arranged on the two sides of the fourth transverse plate (17), third electric sliding blocks (19) are slidably arranged on the two third electric sliding rails (18), a storage box (20) is fixedly connected to the outer side faces of the two third electric sliding blocks (19), a cavity is formed in the storage box (20), first limiting holes (2001) are symmetrically formed in the lower portion of one face of the storage box (20), and the first limiting holes (2001) are spliced with the second limiting blocks (2603).
  5. 5. The exposure device for flexographic plate production according to claim 4, wherein a first micro motor (2002) is fixedly installed at the bottom of the storage box (20), an input end of the first micro motor (2002) is communicated with an inner cavity of the storage box (20) through a pipeline, an output end of the first micro motor (2002) is fixedly connected with a liquid outlet (2003), a controller (22) is arranged above one side of the storage box (20), a storage battery (23) is arranged below one side of the storage box (20), a cover plate (21) is arranged at the top of the storage box (20), and a heat pipe (2101) is arranged at one end of the bottom of the cover plate (21).
  6. 6. The exposure device for flexographic plate production according to claim 2, wherein the bottoms of the two ends of the third transverse plate (9) are fixedly connected with first cushion blocks (8), the bottoms of the first cushion blocks (8) are fixedly connected with the upper parts of the ends of the first transverse plate (1), second electric sliding rails (10) are symmetrically arranged on the two sides of the third transverse plate (9), second electric sliding blocks (11) are slidably arranged on the two second electric sliding rails (10), assembling blocks (12) are fixedly connected to the outer side faces of the two second electric sliding blocks (11), first limiting blocks (1201) are symmetrically arranged on the upper parts of one sides of the assembling blocks (12), and the two first limiting blocks (1201) are spliced with second limiting holes (2501).
  7. 7. The exposure apparatus for producing a flexographic plate according to claim 6, wherein a fixing plate (13) is fixedly installed below one end of the assembly block (12), transverse shafts (14) are movably arranged at two ends of the fixing plate (13), a film (15) is wound on the outer surface of each transverse shaft (14), and a handle (1401) is arranged at one end of each transverse shaft (14).
  8. 8. The exposure device for producing the flexible plate of claim 7, wherein a transverse frame (1202) is fixedly arranged below the other end of the assembly block (12), first limiting rods (1203) are arranged at two ends of the transverse frame (1202), collecting boxes (1204) are fixedly connected below the middle parts of the two transverse frames (1202), a liquid outlet hole (1205) is formed in one end of each collecting box (1204), and the upper surface of the film (15) is in sliding connection with the horizontal side face of each collecting box (1204) of the collecting box (1204) and is in sliding connection with the peripheral side face of each first limiting rod (1203).
  9. 9. The exposure device for producing the flexographic plate according to claim 4, wherein a second micro pump (24) is arranged in the middle of one side of the storage box (20), the input end of the second micro pump (24) is connected with the liquid outlet hole (1205) through a pipeline, and the output end of the second micro pump (24) is communicated with the inner cavity of the storage box (20) through the pipeline.
  10. 10. The exposure device for producing the flexible plate according to claim 1, wherein a vertical plate (2) is arranged in the middle of the top of the first transverse plate (1), a first electric sliding rail (3) is arranged on one surface of the vertical plate (2), a first electric sliding block (4) is arranged on the first electric sliding rail (3) in a sliding mode, a second transverse plate (5) is fixedly arranged on one surface of the first electric sliding block (4), an upper exposure box (6) is arranged in the middle of the bottom of the second transverse plate (5), a lower exposure box (7) is arranged below the bottom of the upper exposure box (6), ultraviolet light tubes are arranged in the upper exposure box (6) and the lower exposure box (7), a transparent panel is arranged on the bottom surface of the upper exposure box (6), and a transparent panel is arranged on the top surface of the lower exposure box (7).

Description

Exposure device is used in flexographic plate production Technical Field The invention relates to the technical field of printing equipment, in particular to an exposure device for producing a flexible plate. Background The flexible plate printing is taken as one of four main printing modes worldwide, the environment friendliness is high, the printing range is wide, the flexible plate printing is suitable for high-speed automatic production and other core advantages, the flexible plate printing is taken as a green printing process, the flexible plate printing is widely applied to the printing fields such as food packaging, labels, corrugated boxes and flexible packages at present, especially the packaging printing market is dominant, the application scale of the industry is continuously expanded, the flexible plate printing is a core link for determining the flexible printing quality, the production efficiency and the production cost, the main current main process mainly comprises photosensitive resin plate printing, and is divided into two main modes of solid photosensitive resin plate printing and liquid photosensitive resin plate printing, wherein the liquid photosensitive resin plate is very popular in medium and small batch plate printing and general flexible plate production scenes due to the characteristics of flexible plate printing process, the core principle comprises key processes such as resin glue coating paving, exposure curing, development rinsing, drying and the like, the core principle is that the liquid photosensitive resin is selectively irradiated by ultraviolet rays to enable the photosensitive region resin to undergo polymerization crosslinking reaction to form, and the non-photosensitive region resin is finally removed by relief printing, relief printing is formed, and the relief printing is concave. At present, manual knife coating is adopted in the traditional liquid resin glue spreading treatment, workers firstly make film negative films and then place the film negative films on an exposure device in the actual production process, then cover transparent films on the negative films, then fix the periphery through foam adhesive tapes, finally pour the liquid resin glue spreading, the liquid resin glue needs to be scraped by workers through scraping plates in the spreading process, manual operation or simple equipment is scraped without reference, the problems of uneven local thickness, surface waviness, bubble residues, edge accumulation and the like are easy to occur, the relief depth of printing plates after subsequent exposure is different, the quality and the qualification rate of finished products are reduced, meanwhile, the traditional exposure equipment is used for recovering the liquid resin glue on the transparent films by compression adsorption and recovery after the flexible plate is manufactured, and due to the fact that the films are easy to wrinkle, part of liquid resin glue still remains on the films after the recovery is not thorough enough, and the waste of raw materials is caused. Therefore, it is necessary to invent an exposure apparatus for flexographic plate production to solve the above-mentioned problems. Disclosure of Invention Technical problem to be solved Aiming at the defects of the prior art, the invention provides an exposure device for producing a flexible plate, which solves the problem of uneven resin paving by manual or simple equipment. Technical proposal The exposure device for producing the flexible plate comprises a first transverse plate, wherein one end of the first transverse plate is provided with a third transverse plate, the top of the third transverse plate is provided with a fourth transverse plate, and the side surfaces of the third transverse plate and the fourth transverse plate are provided with a spreading component; the spreading component comprises a reference frame and a limit frame which are arranged on one side of the third transverse plate and one side of the fourth transverse plate; a scraping plate is arranged in the limiting frame in a sliding manner, and the bottom surface of the scraping plate is flush with the bottom surface of the limiting frame; the bottom of the scraping plate is provided with cutting strips at equal intervals along the horizontal direction of the scraping plate; The utility model discloses a transparent film, including the transparent film, the spacing frame sets up at the top of benchmark frame, and is the same with the size of benchmark frame, replace the foam sticky tape that is originally used for fixing a position transparent film with the benchmark frame, thereby abandon easy aversion, foam sticky tape locate mode that the precision is low, realize transparent film and resin coating region's accurate location, the scraper blade cooperation benchmark frame in the spacing frame is accomplished simultaneously and is strikeed the liquid resin, guarantee that the resin layer thickness is unanimous, s