Printing machine with stable ink supply

Abstract

The present invention discloses a printing press with stable ink supply, which is provided with an organic body, wherein a feed roller is movably installed inside the body, and an ink supply box is provided above the leveling roller; the printing press comprises: a feed pipe, one end of which is fixed to the upper end surface of the ink supply box; a material vibration mechanism, which is provided on the outside of the feed pipe and can eliminate bubbles in the feed pipe to achieve stable ink supply; an adjustment mechanism, which is provided inside the ink supply box and can adjust the ink output range; a recovery component, which is provided on the side of the ink supply box and can achieve recycling by scraping and recycling excess ink on the leveling roller. The printing press with stable ink supply can scrape and recycle excess ink when leveling the ink after the ink is output, so that the ink can be recycled, reducing waste. In addition, when the ink is output, bubbles in the ink can be eliminated by vibration, ensuring stable ink supply, thereby improving the uniformity of subsequent ink distribution.

Description

Technical Field

[0001] The present invention relates to the technical field of printing presses, in particular to a printing press with stable ink supply. Background Art

[0002] The printing press coats ink on a printing roller, and then transfers the pattern to the substrate through the printing roller to complete the printing. The printing press supplies ink through an ink cartridge, and when the ink is exhausted, it needs to be replenished in time. For example, the publication number CN213199207U discloses a color printing press with an external ink supply structure, which belongs to the technical field of printing presses. The provision of ink partitions allows different colors of ink to be stored separately. The provision of ink baffles allows the ink to be gathered, thereby stabilizing the ink supply. The provision of a three-head ink conduit and an ink pump allows external ink supply. The provision of a low-temperature heating box allows stable ink supply under low temperature conditions. The provision of drawers facilitates the storage of printed materials.

[0003] For example, a fast-acting printing press with convenient ink supply, published in publication number CN208515172U, includes a base capable of stirring the ink to prevent the ink from settling due to long periods of disuse, thereby improving the printing effect of the printing press. The device can automatically replenish the ink to prevent the printing press from stopping due to lack of ink, and the printing press can be inspected and repaired through a sealed door;

[0004] For example, publication number CN214984190U discloses a packaging box printing machine with dual ink pumps for ink supply, which relates to the field of printing machine technology. The provision of a drying device facilitates drying of printed ink stains, and an air guide hood facilitates directing hot air onto the printed packaging box, preventing hot air from overflowing and improving drying efficiency. The provision of two ink pumps can solve the technical problem of a single ink pump being prone to insufficient power or unexpected shutdown, resulting in insufficient ink supply, which in turn affects printing quality and work efficiency. However, the above-mentioned printing machine still has the following shortcomings during actual use:

[0005] 1. Although the above-mentioned printing machine can supply ink, it lacks a mechanism to scrape off excess ink during the ink distribution process after the ink is output. This results in uneven ink thickness on the printing roller, affecting the clarity of the pattern during subsequent printing. There is also no mechanism to recycle excess ink, resulting in a waste of resources.

[0006] 2. At the same time, during the ink transportation process, bubbles will be generated due to its movement. After the bubbles follow the ink output, they will affect the subsequent uniformity of its distribution on the printing roller. Therefore, the traditional ink supply structure lacks the function of eliminating bubbles.

[0007] In response to the above problems, it is urgent to carry out innovative design based on the original printing press. Summary of the Invention

[0008] The purpose of the present invention is to provide a printing press with stable ink supply, so as to solve the problem proposed in the above background technology that when the ink is evenly distributed after output, there is a lack of a structure to scrape off the excess ink, resulting in uneven ink thickness on the printing roller, and there is also a lack of a structure to recover the excess ink. At the same time, during the ink transportation process, bubbles will be generated due to its movement, and the bubbles will affect the subsequent uniformity of the ink distribution on the printing roller after the ink is output.

[0009] To achieve the above-mentioned object, the present invention provides the following technical solution: a printing press with stable ink supply, comprising a body, wherein a feed roller is movably mounted inside the body, a printing roller is mounted above the feed roller, and a leveling roller is mounted above the printing roller, an ink supply cartridge is mounted above the leveling roller, the lower end surface of the ink supply cartridge is an arcuate surface, and a gap is left between the ink supply cartridge and the surface of the leveling roller;

[0010] The ink supply box comprises a feed pipe, one end of which is fixed to the upper end surface of the ink supply box, and the other end of the feed pipe is connected to the ink storage box, and the ink storage box is arranged above the machine body;

[0011] A material shaking mechanism is provided on the outside of the discharge pipe, and can eliminate bubbles in the discharge pipe to achieve stable ink supply;

[0012] An adjustment mechanism is provided inside the ink supply cartridge, and the adjustment mechanism can adjust the ink output range to meet different printing requirements;

[0013] The recovery component is arranged on the side of the ink supply box, and the recovery component realizes recycling by scraping and recovering the excess ink on the screed roller.

[0014] Preferably, the adjustment mechanism includes a movable plate arranged in the bottom cavity of the ink supply cartridge, and discharge holes are provided at equal intervals on the ink supply cartridge on the upper end surface of the movable plate, and connecting holes are reserved at equal intervals on the ink supply cartridge on the lower end surface of the movable plate. At the same time, the connecting holes and the movable plate are distributed in a one-to-one correspondence, and a fixed cavity is provided inside the ink supply cartridge. When the ink enters the fixed cavity from the discharge pipe, it can flow through the discharge hole and the connecting hole to the material distribution roller for continued transmission.

[0015] Preferably, the fixed cavity is respectively communicated with the discharge pipe and the discharge hole, and the movable plate and the ink supply cartridge are slidably connected, and the ends of the two movable plates away from each other are fixedly connected to the connecting rod, and at the same time, the movable plate and the connecting rod are symmetrically distributed about the vertical axis of the ink supply cartridge, and the two movable plates and the connecting rod move in opposite directions. The movable plate adjusts the ink discharge range by sliding in the ink supply cartridge, thereby meeting printing needs of different types.

[0016] Preferably, the recovery component includes a recovery box fixed to the back of the ink supply cartridge, and the cross-section of the recovery box is a "C"-shaped structure, and the bottom edge of the recovery box near the sizing roller is a sloped structure. At the same time, the internal bearing of the recovery box is penetrated by a screw rod, and the two ends of the screw rod are provided with thread grooves in opposite directions. When the sizing roller rotates, it contacts the edge of the recovery box, scraping the ink evenly on the one hand and scraping off excess ink on the other hand.

[0017] Preferably, the screw and the limit plate are threadedly connected, and one side of the limit plate slides in contact with the inner wall of the recovery box, and the other side of the limit plate contacts the surface of the material distribution roller. At the same time, the two limit plates are fixedly connected to the connecting rod on the sides away from each other. When the screw rotates, the limit plate can be driven to move through the threaded transmission between the screw and the limit plate, and the range of ink distribution can be changed by adjusting the distance between the two limit plates.

[0018] Preferably, feed holes are reserved at equal intervals on the inner side of the recovery box, and the side of the recovery box away from the material distribution roller is hollow, and the feed holes are connected to the fixed tube through the internal cavity of the recovery box. At the same time, a motor is installed at the disconnection point of the fixed tube, and the output shaft of the motor is connected to a connecting shaft. After scraping off, excess ink can enter the cavity in the recovery box through the feed holes, and then be transmitted to the ink storage box through the fixed tube.

[0019] Preferably, an impeller is installed on the outside of the connecting shaft, and a box body is sleeved on the outside of the impeller, and the box body is fixed to the back of the ink storage tank. At the same time, the fixed tube extends to the inside of the ink storage tank at one end away from the recovery box, and a filter is fixed on the inner top surface of the ink storage tank. The impeller is driven to rotate by an electric motor, which can generate suction to suck in excess ink and transfer it to the ink storage tank.

[0020] Preferably, a circular plate is fixed to the end of the connecting shaft away from the motor, and a fixing rod is provided at the edge of the circular plate, and a sleeve is provided on the outer sliding sleeve of the fixing rod, and at the same time, the bottom surface of the sleeve is fixedly connected to one end of the guide rod. When the circular plate rotates, it drives the fixing rod to rotate synchronously, and then drives the sleeve to slide on the fixed rod, thereby driving the guide rod to rise and fall.

[0021] Preferably, the other end of the guide rod is connected to a vibration mechanism, and the vibration mechanism includes a movable ring mounted on the outside of the discharge tube, and the movable ring and the discharge tube form a relative lifting structure. At the same time, the discharge tube and the movable ring are arranged at equal intervals. When the guide rod is lifted or lowered, the movable ring can be driven to lift or lower synchronously, and slide up and down on the outside of the discharge tube.

[0022] Preferably, a first magnetic block is fixed to the inner wall of the movable ring, and the magnetic properties of the first magnetic block and the second magnetic block are the same, and the second magnetic block is arranged at equal intervals on the side of the discharge tube. At the same time, the second magnetic block is connected to the discharge tube through a spring. When the movable ring is raised or lowered, the repulsion between the first magnetic block and the second magnetic block can drive the second magnetic block to vibrate, which can vibrate out the bubbles in the discharge tube.

[0023] Compared with the prior art, the present invention has the following beneficial effects: the printing press with stable ink supply can scrape off and recycle excess ink during ink distribution after ink output, so that the ink can be recycled and waste is reduced. In addition, during ink output, bubbles in the ink can be removed by vibration, ensuring stable ink supply and thus improving the uniformity of subsequent ink distribution. The specific contents are as follows:

[0024] 1. When the printing range needs to be adjusted, the screw can be rotated through the threaded transmission between the limit plates to drive the two limit plates closer to or farther away from each other, and then the movable plate is driven to move synchronously through the connecting rod. In this way, the movable plate slides in the ink supply cartridge to change the range of the discharge hole and the connecting hole blocked, thereby adjusting the ink discharge range;

[0025] Furthermore, the limiting plate and the movable plate move synchronously, so when the ink outlet range is reduced, the distance between the two limiting plates is reduced accordingly. In this way, when the recovery box evenly distributes the ink on the screed roller, the range of ink distribution on the screed roller can be reduced accordingly. On the contrary, when the distance between the two limiting plates is increased, the range of ink distribution on the screed roller is also increased accordingly. At the same time, it will not affect the scraping of excess ink, nor will it cause the excess ink to flow freely.

[0026] 2. During the rotation of the screed roller, excess ink on its surface can be scraped off by the edge of the recovery box. The scraped ink is then placed inside the recovery box. The rotation of the impeller generates suction, which draws the ink on the recovery box into the cavity inside the box through the feed hole. The ink is then transported back to the ink storage box through a fixed pipe. The recovered ink can be filtered through the filter and recycled, thus avoiding waste.

[0027] 3. When the connecting shaft rotates, it can drive the circular plate to rotate synchronously, and then drive the guide rod to rise and fall through the guidance of the fixed rod and the sleeve plate. The guide rod drives the movable ring to rise and fall on the discharge pipe, and drives the first magnetic block on the inside of the movable ring to contact the second magnetic block at a different position. Then, through the repulsion of the two magnetic blocks, the second magnetic block can be driven to vibrate through the spring and transmit the vibration force to the discharge pipe. By vibrating it, the bubbles in the ink can be vibrated out, thereby achieving stable ink supply. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the front view structure of the present invention;

[0029] Figure 2 This is a schematic diagram of the cross-sectional structure of the present invention;

[0030] Figure 3 This is a structural diagram of the ink storage box of the present invention;

[0031] Figure 4 This is a schematic diagram of the side cross-section structure of the ink storage tank of the present invention;

[0032] Figure 5 This is a schematic diagram of the top cross-sectional structure of the recycling box of the present invention;

[0033] Figure 6 This is a schematic diagram of the side cross-sectional structure of the recycling box of the present invention;

[0034] Figure 7 This is a front view structural diagram of the movable plate of the present invention;

[0035] Figure 8 This is a schematic diagram of the recycling box structure in top section according to the present invention;

[0036] Figure 9 This is a schematic diagram of the front cross-section structure of the movable ring of the present invention;

[0037] Figure 10 It is a schematic diagram of the front view structure of the circular plate of the present invention.

[0038] In the figure: 1. Machine body; 2. Feed roller; 3. Printing roller; 4. Material leveling roller; 5. Ink supply cartridge; 6. Feeding tube; 7. Ink storage tank; 8. Fixed chamber; 9. Discharge hole; 10. Connecting hole; 11. Movable plate; 12. Connecting rod; 13. Limiting plate; 14. Screw; 15. Recovery box; 16. Feed hole; 17. Fixed tube; 18. Motor; 19. Connecting shaft; 20. Impeller; 21. Filter; 22. Circular plate; 23. Fixed rod; 24. Sleeve plate; 25. Guide rod; 26. Movable ring; 27. First magnetic block; 28. Second magnetic block. DETAILED DESCRIPTION

[0039] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0040] See also Figures 1-10 , the present invention provides the following technical solutions:

[0041] Embodiment 1: In order to solve the problems existing in the prior art, this embodiment adopts the following technical scheme: a printing machine with stable ink supply is provided with an organic body 1, a feed roller 2 is movably installed inside the body 1, and a printing roller 3 is arranged above the feed roller 2, and a screed roller 4 is installed above the printing roller 3, an ink supply box 5 is arranged above the screed roller 4, and the lower end surface of the ink supply box 5 is an arc surface, and a gap is left between the surface of the ink supply box 5 and the screed roller 4; it includes: a feed pipe 6, one end of which is fixed to the upper end surface of the ink supply box 5, and the other end of the feed pipe 6 is connected to an ink storage box 7, and the ink storage box 7 is arranged above the body 1; a vibration mechanism, which is arranged on the outside of the feed pipe 6, and the vibration mechanism can eliminate bubbles in the feed pipe 6 to achieve stable ink supply; an adjustment mechanism, which is arranged inside the ink supply box 5, and the adjustment mechanism can adjust the ink output range to meet different printing requirements; a recovery component, which is arranged on the side of the ink supply box 5, and the recovery component realizes recycling by scraping and recycling excess ink on the screed roller 4.

[0042] The ink output range of existing printing machines is fixed, which makes it difficult to adjust the ink output range according to printing needs. Therefore, it has great limitations when printing, such as Figure 1-Figure 2 and Figure 7-Figure 8 As shown, the adjustment mechanism includes a movable plate 11 disposed in the bottom cavity of the ink supply cartridge 5, and discharge holes 9 are opened at equal intervals on the ink supply cartridge 5 on the upper end surface of the movable plate 11, and connection holes 10 are reserved at equal intervals on the ink supply cartridge 5 on the lower end surface of the movable plate 11. At the same time, the connection holes 10 and the movable plate 11 are distributed in a one-to-one correspondence, and a fixed cavity 8 is opened inside the ink supply cartridge 5; the fixed cavity 8 is communicated with the discharge pipe 6 and the discharge hole 9 respectively, and the movable plate 11 and the ink supply cartridge 5 are slidably connected, and the ends of the two movable plates 11 away from each other are fixedly connected to the connecting rod 12, and the movable plates 11 and the connecting rod 12 are symmetrically distributed about the vertical axis of the ink supply cartridge 5, and the two movable plates 11 and the connecting rod 12 move in opposite directions;

[0043] When printing is required, the ink in the ink storage box 7 is transferred to the fixed cavity 8 through the discharge pipe 6, and then flows to the screed roller 4 through the discharge hole 9 and the connecting hole 10. The ink is evenly distributed by the screed roller 4 so that it can be further transferred to the printing roller 3, and then the material conveyed by the feed roller 2 is printed by the printing roller 3. Since the discharge holes 9 and the connecting holes 10 are equidistantly arranged on the ink supply box 5, the ink can flow evenly from different positions to the screed roller 4. When the printing range needs to be adjusted, the ink discharge range needs to be adjusted synchronously. Therefore, the movable plate 11 is slid in the ink supply box 5 to change the range of the discharge hole 9 and the connecting hole 10 blocked, thereby adjusting the ink discharge range.

[0044] Example 2: The existing printing machine lacks a structure for scraping off and recycling excess ink, resulting in uneven ink thickness on the printing roller and ink waste. Therefore, this embodiment adopts the following technical solutions, such as Figure 3-Figure 6 As shown, the recovery assembly includes a recovery box 15 fixed to the back of the ink supply cartridge 5, and the cross-section of the recovery box 15 is a "C"-shaped structure, and the bottom edge of the recovery box 15 near the screed roller 4 is a bevel structure, and the internal bearing of the recovery box 15 is penetrated by a screw rod 14, and the two ends of the screw rod 14 are provided with thread grooves in opposite directions; the screw rod 14 and the limit plate 13 are threadedly connected, and one side of the limit plate 13 slides in contact with the inner wall of the recovery box 15, and the other side of the limit plate 13 contacts the surface of the screed roller 4, and the two limit plates 13 are fixedly connected to the connecting rod 12 on the side away from each other; Feed holes 16 are reserved at equal intervals on the inner side of the recovery box 15, and the side of the recovery box 15 away from the sparging roller 4 is hollow, and the feed holes 16 are connected to the fixed tube 17 through the internal cavity of the recovery box 15. At the same time, a motor 18 is installed at the disconnection point of the fixed tube 17, and the output shaft of the motor 18 is connected to a connecting shaft 19; an impeller 20 is installed on the outer side of the connecting shaft 19, and a box body is provided on the outer side of the impeller 20, and the box body is fixed to the back of the ink storage box 7. At the same time, one end of the fixed tube 17 away from the recovery box 15 extends to the interior of the ink storage box 7, and a filter screen 21 is fixed to the inner top surface of the ink storage box 7;

[0045] During the rotation of the screed roller 4, excess ink on the surface of the screed roller 4 can be scraped off by the edge of the recovery box 15, and the scraped ink is placed on the inner side of the recovery box 15. After that, the motor 18 drives the impeller 20 to rotate through the connecting shaft 19, which can generate suction and suck the ink on the recovery box 15 into the cavity inside it through the feed hole 16. Then, it can be transported back to the ink storage box 7 through the fixed pipe 17. The recovered ink can be recycled after being filtered by the filter screen 21, thereby avoiding waste. When it is necessary to adjust the ink output range, the screw rod 14 can be rotated through the threaded transmission between the screw rod 14 and the limit plate 13 to drive the two limit plates 13 closer to or away from each other, so that The movable plate 11 is driven to move by the connecting rod 12, and the movable plate 11 slides in the ink supply cartridge 5. When the two movable plates 11 move away from each other, the ink outlet range can be expanded, and when they approach each other, the ink outlet range is narrowed. Since the limiting plate 13 moves synchronously with the movable plate 11, when the ink outlet range is narrowed, the distance between the two limiting plates 13 is correspondingly reduced. In this way, when the recovery box 15 evenly distributes the ink on the sparging roller 4, the range of ink distribution on the sparging roller 4 can be correspondingly reduced. Conversely, when the distance between the two limiting plates 13 is increased, the range of ink distribution on the sparging roller 4 is also increased accordingly, without affecting the scraping of excess ink or causing the excess ink to flow freely.

[0046] Example 3: In the existing printing machine, during the ink delivery process, bubbles are generated due to its movement, and the bubbles will affect the subsequent uniformity of the ink distribution on the printing roller 3 after the ink is output. Therefore, this embodiment adopts the following technical solutions, such as Figure 9-10 As shown, a circular plate 22 is fixed to the end of the connecting shaft 19 away from the motor 18, and a fixing rod 23 is provided at the edge of the circular plate 22, and a sleeve plate 24 is slidably sleeved on the outer side of the fixing rod 23, and the bottom surface of the sleeve plate 24 is fixedly connected to one end of the guide rod 25; the other end of the guide rod 25 is connected to a vibration mechanism, and the vibration mechanism includes a movable ring 26 sleeved on the outside of the discharge pipe 6, and the movable ring 26 and the discharge pipe 6 form a relative lifting structure, and the discharge pipe 6 and the movable ring 26 are arranged at equal intervals; a first magnetic block 27 is fixed to the inner wall of the movable ring 26, and the magnetic properties of the first magnetic block 27 and the second magnetic block 28 are the same, and the second magnetic block 28 is arranged at equal intervals on the side of the discharge pipe 6, and the second magnetic block 28 is mutually engaged with the discharge pipe 6 through a spring. Connection; When the connecting shaft 19 rotates, it can drive the circular plate 22 to rotate synchronously, and the circular plate 22 can drive the fixed rod 23 to rotate to different angles, and then drive the sleeve plate 24 to slide on the fixed rod 23. When the fixed rod 23 drives the sleeve plate 24 to move to different heights, it can drive the guide rod 25 to rise and fall synchronously, and the guide rod 25 drives the movable ring 26 to rise and fall on the discharge pipe 6, and drives the first magnetic block 27 on the inside of the movable ring 26 to contact the second magnetic block 28 at different positions, and then through the repulsion of the two magnetic blocks, the second magnetic block 28 can be driven to vibrate. During the lifting process of the movable ring 26, the elasticity of the spring can drive the second magnetic block 28 to vibrate, and the vibration force is transmitted to the discharge pipe 6. By vibrating it, the bubbles in the ink can be vibrated out, thereby achieving stable ink supply.

[0047] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A printing machine with stable ink supply, comprising a body (1), wherein a feed roller (2) is movably mounted inside the body (1), a printing roller (3) is mounted above the feed roller (2), and a leveling roller (4) is mounted above the printing roller (3), an ink supply cartridge (5) is mounted above the leveling roller (4), the lower end surface of the ink supply cartridge (5) is an arc surface, and a gap is left between the surfaces of the ink supply cartridge (5) and the leveling roller (4); It is characterized in that include: A feed pipe (6), one end of which is fixed to the upper end surface of the ink supply box (5), and the other end of the feed pipe (6) is connected to an ink storage box (7), and the ink storage box (7) is arranged above the machine body (1); A material vibration mechanism is arranged on the outside of the discharge pipe (6), and the material vibration mechanism can eliminate bubbles in the discharge pipe (6) to achieve stable ink supply; An adjustment mechanism is arranged inside the ink supply box (5), and the adjustment mechanism can adjust the ink output range to meet different printing requirements; A recovery component is arranged on the side of the ink supply box (5), and the recovery component scrapes and recovers excess ink on the screed roller (4) to achieve recycling; The adjustment mechanism comprises two movable plates (11) arranged in a cavity at the bottom of the ink supply cartridge (5), and discharge holes (9) are provided on the ink supply cartridge (5) at equal intervals on the upper end surface of the movable plate (11), and connection holes (10) are reserved on the ink supply cartridge (5) at equal intervals on the lower end surface of the movable plate (11), and a fixed cavity (8) is provided inside the ink supply cartridge (5); The fixed cavity (8) is communicated with the discharge pipe (6) and the discharge hole (9) respectively, and the movable plate (11) and the ink supply box (5) are slidably connected, and the ends of the two movable plates (11) that are away from each other are fixedly connected to the connecting rod (12), and the movable plates (11) and the connecting rod (12) are symmetrically distributed about the vertical axis of the ink supply box (5), and the two movable plates (11) and the connecting rod (12) move in opposite directions; The recycling assembly includes a recycling box (15) fixed to the back of the ink supply box (5), and the cross-section of the recycling box (15) is a "C"-shaped structure, and the bottom edge of the recycling box (15) near the material leveling roller (4) is an inclined surface structure, and the internal bearing of the recycling box (15) is penetrated by a screw rod (14), and the two ends of the screw rod (14) are provided with thread grooves in opposite directions; Feed holes (16) are reserved at equal intervals on the inner side of the recovery box (15), and the side of the recovery box (15) away from the material-leveling roller (4) is hollow, and the feed holes (16) are connected to the fixed tube (17) through the internal cavity of the recovery box (15), and a motor (18) is installed at the disconnection point of the fixed tube (17), and the output shaft of the motor (18) is connected to the connecting shaft (19); An impeller (20) is mounted on the outer side of the connecting shaft (19), and a box body is sleeved on the outer side of the impeller (20), and the box body is fixed to the back side of the ink storage box (7), and an end of the fixed tube (17) away from the recovery box (15) extends to the inside of the ink storage box (7), and a filter screen (21) is fixed to the inner top surface of the ink storage box (7); A circular plate (22) is fixed to one end of the connecting shaft (19) away from the motor (18), and a fixing rod (23) is provided at the edge of the circular plate (22), and a sleeve plate (24) is provided on the outer side of the fixing rod (23) for sliding sleeve, and the bottom surface of the sleeve plate (24) is fixedly connected to one end of the guide rod (25); The other end of the guide rod (25) is connected to a material vibration mechanism, and the material vibration mechanism includes a movable ring (26) sleeved on the outside of the discharge pipe (6), and the movable ring (26) and the discharge pipe (6) form a relative lifting structure, and the discharge pipe (6) and the movable ring (26) are both arranged at equal intervals; A first magnetic block (27) is fixed to the inner wall of the movable ring (26), and a second magnetic block (28) is arranged at equal intervals on the side of the discharge tube (6). At the same time, the second magnetic block (28) is connected to the discharge tube (6) through a spring, and the magnetic properties of the first magnetic block (27) and the second magnetic block (28) are the same.

2. A printing press with stable ink supply according to claim 1, characterized in that: The screw rod (14) and the limiting plate (13) are threadedly connected, and one side of the limiting plate (13) slides in contact with the inner wall of the recovery box (15), and the other side of the limiting plate (13) contacts the surface of the material leveling roller (4), and the two limiting plates (13) are fixedly connected to the connecting rod (12) on the sides away from each other.

Images