Printing device with anti-bubble function
By installing rubber rollers inside the ink tank of the printing device, the problem of air in the gravure printing machine being rolled into ink to form bubbles is solved, and the printing quality is improved.
Patent Information
- Application Number
- CN202421460493.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-25
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-06-25
AI Technical Summary
During the printing process of gravure printers, due to the high-speed rotation of the printing plate, the air will be wrapped in the ink, forming a large number of small bubbles, resulting in printing defects.
A printing device with anti-bubble function was designed. By installing a rubber roller inside the ink tank, the bubbles were squeezed when the rubber roller contacted the printing plate to ensure that there was only ink and no bubbles in the mesh hole.
It effectively avoids bubbles entering the mesh, improves printing quality, and ensures uniform ink transfer and improvement of printing quality.
Smart Images

Figure CN222742364U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of printing, in particular to a printing device with an anti-bubble function. Background Art
[0002] In the gravure printing mechanism, the ink supply pump transfers the ink from the ink barrel to the ink tank, the printing plate is immersed in the ink in the ink tank and rolls, the ink is embedded in the mesh cells on the surface of the printing plate, the printing plate rotates, the blade scrapes off the ink outside the mesh cells, the printing plate contacts the printing film under a certain pressure, the ink in the mesh cells of the printing plate is transferred to the printing film, and printing is completed.
[0003] After searching, a patent with publication number CN215152868U discloses a coloring device of a gravure printing press and a gravure printing press, the gravure printing press is applied with the coloring device of the gravure printing press, the coloring device of the gravure printing press includes a mounting seat, a first working roller, a second working roller and a driving mechanism, the mounting seat is rotatably arranged on a frame at both ends of the printing roller of the gravure printing press, the first working roller and the second working roller are both rotatably arranged between two mounting seats and located above the printing roller, and the driving mechanism is used to control the rotation of the mounting seat.
[0004] In the use of existing equipment, due to the high-speed rotation of the printing plate, air will be drawn into the ink and will soon float on the surface of the ink to form a large number of small bubbles. The small bubbles will inevitably be randomly embedded in the mesh cells. After the small bubbles are embedded in the mesh cells, the ink carrying capacity of the mesh cells is reduced. When transferred to the printing film, the amount of ink applied at the location of the mesh cells with bubbles is small, resulting in printing defects. Therefore, we propose a printing device with anti-bubble function to solve the above problems. Utility Model Content
[0005] The utility model aims to solve the defect that ink contains bubbles and proposes a printing device with an anti-bubble function.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solution: a printing device with anti-bubble function, comprising a base, side vertical plates are welded on both sides of the top of the base, and a printing structure is arranged on the top of the base;
[0007] The printing structure includes an ink tank welded on the top of the base, a rubber roller is rotatably installed between the two side plates and inside the ink tank, a printing plate is rotatably installed between the two side plates and on the top of the rubber roller, an extrusion roller is installed between the two side plates and on the top of the printing plate via a clamping structure, and the printing plate and the rubber roller are connected by a power structure.
[0008] Preferably, the printing structure further comprises a plurality of cells evenly arranged around the printing plate.
[0009] Preferably, a scraper is obliquely installed by bolts between the two side plates and at the rear end of the printing plate.
[0010] Preferably, the clamping structure comprises two clamping sliders inserted at both ends of the squeezing roller, and the two clamping sliders are slidably mounted on the corresponding clamping slide grooves opened on the side vertical plates.
[0011] Preferably, a clamping spring is installed between the top of the two clamping slide blocks and the corresponding clamping slide grooves.
[0012] Preferably, one end of the printing plate extends through the corresponding side plate and is plugged with a motor, and one end of the motor is mounted on the corresponding side plate by bolts.
[0013] Preferably, one end of the printing plate extends through the corresponding side plate and is plugged with a first pulley, one end of the rubber roller extends through the corresponding side plate and is plugged with a second pulley, and the first pulley is connected to the second pulley via a belt.
[0014] Preferably, two tensioning rollers are symmetrically mounted on the top between the two side vertical plates for rotation.
[0015] In the utility model, the printing device with anti-bubble function is:
[0016] 1. The utility model transfers the ink in the ink tank to the printing plate evenly by bonding the rubber roller. The air bubbles are squeezed out at the contact point between the rubber roller and the printing plate, so that only ink without air bubbles can be ensured in the cells of the printing plate, which effectively improves the printing quality.
[0017] 2. The utility model controls the corresponding clamping slider to move downward along the clamping slide groove through two clamping springs, so as to control the squeezing roller thereon to bring the printing film close to the printing plate. Under a certain pressure between the printing plate and the printing film, the ink in the mesh cells is transferred to the printing film to complete printing. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a structural schematic diagram of a printing device with anti-bubble function proposed by the utility model;
[0019] Figure 2 This is a schematic structural diagram of a side view of a printing device with an anti-bubble function proposed by the utility model;
[0020] Figure 3 This is a structural schematic diagram of part A of a printing device with anti-bubble function proposed by the utility model.
[0021] In the figure: 1. base; 2. side plate; 3. printing structure; 301. ink tank; 302. rubber roller; 303. printing plate; 304. squeezing roller; 305. mesh hole; 306. scraper; 4. clamping structure; 401. clamping slider; 402. clamping slide; 403. clamping spring; 5. power structure; 501. motor; 502. pulley 1; 503. pulley 2; 6. tensioning roller. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0023] Reference Figure 1-3 , a printing device with anti-bubble function, comprising a base 1, side plates 2 are welded on both sides of the top of the base 1, and a printing structure 3 is arranged on the top of the base 1;
[0024] The printing structure 3 includes an ink tank 301 welded to the top of the base 1, a rubber roller 302 is rotatably installed between the two side plates 2 and located inside the ink tank 301, a printing plate 303 is rotatably installed between the two side plates 2 and located on the top of the rubber roller 302, an extrusion roller 304 is installed between the two side plates 2 and located on the top of the printing plate 303 through a clamping structure 4, and the printing plate 303 is connected to the rubber roller 302 via a power structure 5.
[0025] In this embodiment, the printing structure 3 further includes a plurality of cells 305 evenly arranged around the printing plate 303 .
[0026] By adopting the above solution, a number of cells 305 are evenly arranged on the periphery of the printing plate 303, realizing the structural characteristics of gravure printing, and achieving the purpose of improving printing efficiency.
[0027] In this embodiment, a scraper 306 is obliquely installed between the two side plates 2 and at the rear end of the printing plate 303 through bolts.
[0028] By adopting the above solution, a scraper 306 is installed obliquely by bolts between the two side plates 2 and at the rear end of the printing plate 303, so that the scraper 306 can scrape off the ink outside the printing plate 303 except for a number of mesh cells 305, so that the inside of the several mesh cells 305 is filled with ink.
[0029] In this embodiment, the pressing structure 4 includes two pressing sliders 401 inserted at both ends of the squeezing roller 304 , and the two pressing sliders 401 are both slidably mounted in the pressing grooves 402 opened on the corresponding side vertical plates 2 .
[0030] By adopting the above scheme, clamping sliders 401 are inserted at both ends of the squeezing roller 304, and the two clamping sliders 401 are slidably installed in the clamping grooves 402 opened on the corresponding side vertical plates 2, so that the two clamping grooves 402 can limit and guide the squeezing roller 304 to move downward and clamp the printing film.
[0031] In this embodiment, a pressing spring 403 is installed between the top of the two pressing slide blocks 401 and the corresponding pressing grooves 402 .
[0032] By adopting the above solution, a clamping spring 403 is installed between the top of the two clamping sliders 401 and the corresponding clamping groove 402, so that the clamping spring 403 applies pressure to the squeezing roller 304, so that the ink in the mesh cell 305 is transferred to the printing film to complete the printing.
[0033] In this embodiment, one end of the printing plate 303 extends through the corresponding side plate 2 and is plugged with a motor 501 . One end of the motor 501 is mounted on the corresponding side plate 2 by means of bolts.
[0034] By adopting the above solution, one end of the printing plate 303 extends through the corresponding side plate 2 and is plugged with a motor 501. One end of the motor 501 is installed on the corresponding side plate 2 by bolts, so that the motor 501 can stably drive the printing plate 303 to rotate synchronously.
[0035] In this embodiment, one end of the printing plate 303 extends through the corresponding side plate 2 and is plugged with a pulley 1 502. One end of the rubber roller 302 extends through the corresponding side plate 2 and is plugged with a pulley 2 503. The pulley 1 502 is connected to the pulley 2 503 through a belt.
[0036] By adopting the above scheme, one end of the printing plate 303 is extended through the corresponding side plate 2 and plugged with pulley 1 502, one end of the rubber roller 302 is extended through the corresponding side plate 2 and plugged with pulley 2 503, pulley 1 502 is connected to pulley 2 503 through a belt, and the motor 501 controls the rubber roller 302 to rotate synchronously with the printing plate 303, so as to perform precise printing.
[0037] In this embodiment, two tensioning rollers 6 are symmetrically mounted on the top between the two side vertical plates 2 for rotation.
[0038] By adopting the above scheme, two tensioning rollers 6 are symmetrically installed on the top between the two side plates 2 to achieve the goal of laying the printing film on the top of the two tensioning rollers 6 to achieve tensioning behavior and avoid folding problems during printing.
[0039] In the utility model, when in use, the printing film is laid on the top of the tension roller 6 at the rear end, and then passes between the printing plate 303 and the squeezing roller 304. At the top of the tension roller 6 at the front end, the motor 501 controls the rotation of the printing plate 303, and the pulley 1 502 and the pulley 2 503 are driven to realize that the ink inside the ink tank 301 adhered to the rubber roller 302 is evenly transferred to the printing plate 303, and the bubbles are squeezed at the contact point between the rubber roller 302 and the printing plate 303, and the mesh cells 305 are There is only ink without bubbles. The scraper 306 scrapes off the ink outside the printing plate 303 except for some mesh cells 305, so that the inside of some mesh cells 305 is filled with ink. The two clamping springs 403 control the corresponding clamping sliders 401 to move downward along the clamping slide groove 402, so as to control the squeezing rollers 304 thereon to carry the printing film tightly against the printing plate 303. Under a certain pressure between the printing plate 303 and the printing film, the ink in the mesh cells 305 is transferred to the printing film, and printing is completed.
[0040] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is defined by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.
[0041] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A printing device with anti-bubble function, comprising a base (1), characterized in that: Side panels (2) are welded to both sides of the top of the base (1), and a printing structure (3) is provided on the top of the base (1); The printing structure (3) comprises an ink tank (301) welded to the top of the base (1); a rubber roller (302) is rotatably mounted between the two side plates (2) and located inside the ink tank (301); a printing plate (303) is rotatably mounted between the two side plates (2) and located on the top of the rubber roller (302); a squeezing roller (304) is mounted between the two side plates (2) and located on the top of the printing plate (303) via a clamping structure (4); and the printing plate (303) is connected to the rubber roller (302) via a power structure (5).
2. A printing device with anti-bubble function according to claim 1, characterized in that: The printing structure (3) further comprises a plurality of cells (305) uniformly arranged around the printing plate (303).
3. The printing device with anti-bubble function according to claim 1, characterized in that: A scraper (306) is obliquely mounted via bolts between the two side upright plates (2) and at the rear end of the printing plate (303).
4. The printing device with anti-bubble function according to claim 1, characterized in that: The clamping structure (4) comprises two clamping sliders (401) inserted at both ends of the squeezing roller (304), and the two clamping sliders (401) are slidably mounted on the corresponding clamping slide grooves (402) opened on the side vertical plates (2).
5. The printing device with anti-bubble function according to claim 4, characterized in that: A clamping spring (403) is installed between the top of the two clamping slide blocks (401) and the corresponding clamping slide groove (402).
6. The printing device with anti-bubble function according to claim 1, characterized in that: One end of the printing plate (303) extends through the corresponding side plate (2) and is plugged with a motor (501); one end of the motor (501) is mounted on the corresponding side plate (2) via bolts.
7. The printing device with anti-bubble function according to claim 1, characterized in that: One end of the printing plate (303) extends through the corresponding side plate (2) and is plugged with a pulley 1 (502); one end of the rubber roller (302) extends through the corresponding side plate (2) and is plugged with a pulley 2 (503); the pulley 1 (502) is connected to the pulley 2 (503) via a belt.
8. The printing device with anti-bubble function according to claim 1, characterized in that: Two tensioning rollers (6) are symmetrically mounted on the top between the two side vertical plates (2).
Citation Information
Patent Citations
Coloring device of photogravure press and photogravure press
CN215152868U