Ink path optimization device for high-speed flexographic printing presses

Abstract

The utility model discloses an ink path optimization device for a high-speed flexographic printing press, comprising a support plate, an ink roller is rotatably connected between the inner walls on both sides of the support plate, a plurality of support legs are fixedly connected to the inner upper end of the support plate, and an ink cartridge is fixedly connected to the upper ends of the plurality of support legs, and the inner walls on both sides of the support plate are rotatably connected to a rotating shaft, the opposite ends of the two rotating shafts are fixedly connected to a rotating plate, and the opposite sides of the two rotating plates are provided with a slide groove, a connecting plate is arranged between the two rotating plates, and a scraper is fixedly connected to one side of the connecting plate, and the bottom of the ink cartridge is rotatably connected to two stirring shafts, and the outer side walls of the two stirring shafts are fixedly connected to a plurality of stirring rods. The angle of the scraper can be adjusted by cooperating with the rotating shaft and the first motor, and the spacing between the scraper and the ink roller can be adjusted by cooperating with structures such as a threaded rod, a guide rod, and a slider, so that the scraper fits better with the ink roller and prints more evenly.

Description

Technical Field

[0001] The utility model relates to the technical field of high-speed flexographic printing presses, in particular to an ink path optimization device for high-speed flexographic printing presses. Background Art

[0002] The flexographic printing machine adopts a short ink path inking system, which is mainly composed of an ink fountain, an ink roller, a printing plate cylinder and a doctor blade. The ink fountain is used to store ink, the ink roller is responsible for evenly applying the ink on the printing plate cylinder, and the doctor blade is used to control the thickness and uniformity of the ink, so as to achieve uniform and quantitative transfer of ink from the ink fountain to the printing plate surface.

[0003] However, when the ink is dipped from the ink fountain by the ink roller for inking, since the ink inside the ink fountain is in a static state, it is easy for the ink to condense into lumps if left for a long time, resulting in the destruction of the ink and the need to replace new ink, causing unnecessary losses. Therefore, we need to consider how to solve this problem. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, and to propose an ink path optimization device for a high-speed flexographic printing machine, which can adjust the angle of the ink scraper through the cooperation of a rotating shaft and a first motor, and adjust the distance between the ink scraper and the inking roller through the cooperation of structures such as a threaded rod, a guide rod and a slider, so that it can better fit the inking roller and make printing more uniform.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The ink path optimization device of a high-speed flexographic printing press comprises a support plate, an ink roller is rotatably connected between the inner walls on both sides of the support plate, a plurality of support legs are fixedly connected to the inner upper end of the support plate, and the upper ends of the plurality of support legs are commonly fixedly connected to an ink cartridge, the inner walls on both sides of the support plate are rotatably connected to rotating shafts, the opposite ends of the two rotating shafts are fixedly connected to rotating plates, the opposite sides of the two rotating plates are provided with slide grooves, a connecting plate is arranged between the two rotating plates, an ink scraper is fixedly connected to one side of the connecting plate, two stirring shafts are rotatably connected to the inner bottom of the ink cartridge, the outer side walls of the two stirring shafts are fixedly connected to a plurality of stirring rods, the lower ends of the two stirring shafts pass through the ink cartridge and extend to the outside, a moving mechanism for moving the connecting plate is commonly arranged in the two slide grooves, and the lower ends of the two stirring shafts are connected by a transmission mechanism.

[0007] Preferably, a first motor is installed on the outer side wall of the support plate, and a terminal end of an output shaft of the first motor passes through the support plate and is fixedly connected to one of the rotating shafts.

[0008] Preferably, the moving mechanism includes a threaded rod rotatably connected between the inner walls on both sides of one of the slide grooves, and a guide rod fixedly connected between the inner walls on both sides of the other slide groove. Slide blocks are provided on the threaded rod and the guide rod, one of the slide blocks is threadedly connected to the threaded rod, and the other slide block is slidably connected to the guide rod, and the opposite ends of the two slide blocks are fixedly connected to the connecting plate.

[0009] Preferably, one end of the threaded rod passes through the corresponding sliding groove and extends to the outside, and the end of the threaded rod located at the outside is fixedly connected to a knob.

[0010] Preferably, a mounting groove is provided at the upper end of the support plate, a second motor is installed in the mounting groove, and the output shaft end of the second motor is fixedly connected to the lower end of one of the stirring shafts.

[0011] Preferably, the transmission mechanism comprises two transmission wheels, the two transmission wheels are respectively mounted on the lower ends of the corresponding stirring shafts, and the two transmission wheels are connected by belt transmission.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. The rotating shaft and the first motor are provided to adjust the angle of the ink scraper. The ink scraper can be moved to adjust the distance between the ink scraper and the ink roller through the cooperation of the threaded rod, the guide rod and the slider, so that the ink scraper can better contact with the ink roller to scrape off the excess ink, making the printing more uniform.

[0014] 2. Set up structures such as stirring shafts and stirring rods. Under the drive of the transmission wheel and belt, the two stirring shafts rotate with multiple stirring rods to stir the ink in the ink cartridge and keep it in a flowing state, so as to prevent the ink from condensing into lumps inside the ink cartridge and affecting the subsequent inking, thereby reducing printing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural schematic diagram of the ink path optimization device for a high-speed flexographic printing press proposed by the utility model;

[0016] Figure 2 for Figure 1 A top view schematic diagram of

[0017] Figure 3 for Figure 1 The right side diagram of ;

[0018] Figure 4 for Figure 1 A partial cross-sectional schematic diagram of ;

[0019] Figure 5 for Figure 4 Enlarged view of point A.

[0020] In the figure: 1 support plate, 2 inking roller, 3 support leg, 4 ink cartridge, 5 rotating shaft, 6 first motor, 7 rotating plate, 8 slide groove, 9 threaded rod, 10 guide rod, 11 knob, 12 slider, 13 connecting plate, 14 scraper, 15 stirring shaft, 16 stirring rod, 17 second motor, 18 transmission wheel, 19 belt. DETAILED DESCRIPTION

[0021] 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.

[0022] Reference Figure 1-Figure 5 , an ink path optimization device for a high-speed flexographic printing press, comprising a support plate 1, the support plate 1 is a U-shaped plate, an ink roller 2 is rotatably connected between the inner walls on both sides of the support plate 1, a plurality of support legs 3 are fixedly connected to the inner upper end of the support plate 1, and the upper ends of the plurality of support legs 3 are commonly fixedly connected to an ink cartridge 4, and the ink is dipped from the ink cartridge 4 by the ink roller 2 for inking, the inner walls on both sides of the support plate 1 are rotatably connected to a rotating shaft 5, a first motor 6 is installed on the outer side wall of the support plate 1, the output shaft end of the first motor 6 passes through the support plate 1 and is fixedly connected to one of the rotating shafts 5, the opposite ends of the two rotating shafts 5 are fixedly connected to a rotating plate 7, and the opposite sides of the two rotating plates 7 are provided with a slide groove 8, a connecting plate 13 is arranged between the two rotating plates 7, and a scraper 14 is fixedly connected to one side of the connecting plate 13, and the scraper 14 is arranged to scrape off excess ink to avoid too much and thick ink on the ink roller 2, thereby ensuring the quality of printing, and the angle of the scraper 14 can be adjusted through the cooperation of the rotating shaft 5 and the first motor 6;

[0023] Among them, a moving mechanism for moving the connecting plate 13 is commonly provided in the two slide grooves 8, and the moving mechanism includes a threaded rod 9 rotatably connected between the inner walls on both sides of one of the slide grooves 8, and a guide rod 10 is fixedly connected between the inner walls on both sides of the other slide groove 8. One end of the threaded rod 9 passes through the corresponding slide groove 8 and extends to the outside. A knob 11 is fixedly connected to the end of the threaded rod 9 located at the outside, and a rubber layer is provided on the knob 11. Slide blocks 12 are provided on the threaded rod 9 and the guide rod 10, one of which is threadedly connected to the threaded rod 9, and the other is slidably connected to the guide rod 10. The two slide blocks 12 are slidably connected to the inner wall of the corresponding slide groove 8, and the opposite ends of the two slide blocks 12 are fixedly connected to the connecting plate 13. Through the cooperation of the threaded rod 9, the guide rod 10 and the slide block 12, the ink scraper 14 is moved, and the distance between the ink scraper 14 and the ink roller 2 is adjusted, so that the ink scraper 14 is fully in contact with the ink roller 2, thereby improving the uniformity of ink scraping;

[0024] Among them, two stirring shafts 15 are rotatably connected to the bottom of the ink cartridge 4, and the outer side walls of the two stirring shafts 15 are fixedly connected with multiple stirring rods 16. The lower ends of the two stirring shafts 15 penetrate the ink cartridge 4 and extend to the outside. The two stirring shafts 15 rotate with the multiple stirring rods 16 to stir the ink in the ink cartridge 4 to make it flow, avoid ink agglomeration and facilitate subsequent inking. An installation groove is provided at the upper end of the support plate 1, and a second motor 17 is installed in the installation groove. The output shaft end of the second motor 17 is fixedly connected to the lower end of one of the stirring shafts 15, and the lower ends of the two stirring shafts 15 are connected through a transmission mechanism. The transmission mechanism includes two transmission wheels 18, and the two transmission wheels 18 are respectively installed at the lower ends of the corresponding stirring shafts 15, and the two transmission wheels 18 are connected through a belt 19.

[0025] In the utility model, when in use, the first motor 6 is started to rotate the corresponding rotating shaft 5, and the two rotating plates 7 rotate with the ink scraper 14 under the cooperation of the two rotating shafts 5, so that the ink scraper 14 is adjusted to a suitable angle, and then the knob 11 is turned to rotate the threaded rod 9, and under the cooperation of the guide rod 10, the two sliders 12 move with the ink scraper 14 until the ink scraper 14 fits with the ink roller 2, and the distance between the ink scraper 14 and the ink roller 2 is adjusted by moving the ink scraper 14, so that it can fit better with the ink roller 2 to scrape off excess ink, so that printing is more uniform;

[0026] In addition, by starting the second motor 17, the corresponding stirring shaft 15 rotates, and under the drive of the transmission wheel 18 and the belt 19, the other stirring shaft 15 also rotates. The two stirring shafts 15 rotate with multiple stirring rods 16 to stir the ink in the ink cartridge 4 and keep it in a flowing state. This can avoid the phenomenon of ink agglomeration in the ink cartridge 4, facilitate inking by the inking roller 2, and improve the quality of printing.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An ink path optimization device for a high-speed flexographic printing press, comprising a support plate (1), characterized in that: An ink application roller (2) is rotatably connected between the inner walls on both sides of the support plate (1); a plurality of support legs (3) are fixedly connected to the inner upper end of the support plate (1); an ink cartridge (4) is fixedly connected to the upper ends of the plurality of support legs (3); a rotating shaft (5) is rotatably connected to the inner walls on both sides of the support plate (1); a rotating plate (7) is fixedly connected to the opposite ends of the two rotating shafts (5); and a slide groove (8) is provided on the opposite sides of the two rotating plates (7); A connecting plate (13) is arranged between the two rotating plates (7), a scraper (14) is fixedly connected to one side of the connecting plate (13), two stirring shafts (15) are rotatably connected to the bottom of the ink cartridge (4), a plurality of stirring rods (16) are fixedly connected to the outer side walls of the two stirring shafts (15), and the lower ends of the two stirring shafts (15) penetrate the ink cartridge (4) and extend to the outside; A moving mechanism for moving the connecting plate (13) is commonly provided in the two slide grooves (8); The lower ends of the two stirring shafts (15) are connected in transmission via a transmission mechanism.

2. The ink path optimization device for a high-speed flexographic printing press according to claim 1, characterized in that: A first motor (6) is mounted on the outer side wall of the support plate (1); the output shaft end of the first motor (6) passes through the support plate (1) and is fixedly connected to one of the rotating shafts (5).

3. The ink path optimization device for a high-speed flexographic printing press according to claim 1, characterized in that: The moving mechanism comprises a threaded rod (9) rotatably connected between the inner walls on both sides of one of the slide grooves (8); a guide rod (10) is fixedly connected between the inner walls on both sides of the other slide groove (8); sliders (12) are arranged on the threaded rod (9) and the guide rod (10); one of the sliders (12) is threadedly connected to the threaded rod (9); the other slider (12) is slidably connected to the guide rod (10); and the opposite ends of the two sliders (12) are fixedly connected to the connecting plate (13).

4. The ink path optimization device for a high-speed flexographic printing press according to claim 3, characterized in that: One end of the threaded rod (9) passes through the corresponding slide groove (8) and extends to the outside, and the end of the threaded rod (9) located at the outside is fixedly connected to a knob (11).

5. The ink path optimization device for a high-speed flexographic printing press according to claim 1, characterized in that: The upper end of the support plate (1) is provided with a mounting groove, in which a second motor (17) is mounted, and the output shaft end of the second motor (17) is fixedly connected to the lower end of one of the stirring shafts (15).

6. The ink path optimization device for a high-speed flexographic printing press according to claim 1, characterized in that: The transmission mechanism comprises two transmission wheels (18), the two transmission wheels (18) are respectively mounted on the lower ends of the corresponding stirring shafts (15), and the two transmission wheels (18) are connected by a belt (19).

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