Anti-clogging printing ink circulation device

Abstract

The utility model relates to the technical field of printing machine especially is concerned about a kind of anti-clogging printing machine ink circulating device, and it is accepted to printing machine spray head by receiving device, so that equipment can directly spray ink, and the situation that ink drying blockage in spray head is reduced in the process of stopping, by driving device, the ink collected by receiving device is sent back to the ink storage compartment of equipment, by filtering device, the ink of recycling is filtered, reduce the impurity in external environment and mix into ink, reduce the situation that spray head is blocked due to the impurity in ink, improve the practicability of device;Including receiving device, driving device and filtering device, driving device is installed on receiving device, and filtering device is installed on driving device.

Description

Technical Field

[0001] This utility model relates to the technical field of printing presses, and in particular to an ink circulation device for an anti-clogging printing press. Background Technology

[0002] Piezoelectric ceramic printheads are commonly used in high-speed printing equipment on industrial production lines. They utilize the piezoelectric effect to deform ceramic materials, thereby ejecting tiny droplets. Piezoelectric ceramic printheads have advantages such as small printhead size, high speed, and long lifespan. However, due to their high manufacturing difficulty and cost, they are rarely used in home printers. During prolonged periods of downtime, residual ink in the printhead can dry and harden, leading to blockage of some printhead nozzles.

[0003] The existing Chinese utility model patent with application number CN202420916250.9 relates to an anti-clogging printhead for a printing press, including a printhead housing, end cap, printing pores, ink inlet, electronic control valve, and air inlet pipe, which can clear blockages without disassembly.

[0004] However, in actual use, the above-mentioned device still has a high probability of clogging when the equipment stops. Utility Model Content

[0005] To address the aforementioned technical problems, this utility model provides an anti-clogging ink circulation device for printing presses. This device uses a receiving device to receive ink from the printhead, enabling the equipment to directly eject ink. During downtime, the printhead is periodically activated to reduce ink drying and clogging. A drive device returns the collected ink to the ink storage tank, and a filter device filters the recovered ink, reducing the incorporation of impurities from the external environment and minimizing printhead clogging caused by these impurities. This improves the device's practicality.

[0006] This utility model discloses an ink circulation device for an anti-clogging printing press, comprising a receiving device, a driving device, and a filtering device. The driving device is mounted on the receiving device, and the filtering device is mounted on the driving device. The receiving device receives the ink from the printing press nozzle, allowing the equipment to directly eject ink. During shutdown, the nozzle is periodically activated to reduce ink drying and clogging. The driving device returns the collected ink to the ink storage tank of the equipment. The filtering device filters the recovered ink, reducing the mixing of impurities from the external environment into the ink and minimizing nozzle clogging caused by impurities in the ink, thus improving the practicality of the device.

[0007] Preferably, the receiving device includes a chassis, an access door, a transverse frame, a printhead, a first electric cylinder, an ink collection tank, and a pressure sensor. An access door is located at the front right end of the chassis. A transverse frame is horizontally mounted in the middle of the chassis, and a printhead is mounted on the moving end of the transverse frame. A first electric cylinder is mounted on the right side of the lower end of the chassis, and an ink collection tank is mounted on the moving end of the first electric cylinder via a pressure sensor. The printhead can move with the moving end of the transverse frame to the upper side of the ink collection tank, which is located in the non-printing area of ​​the printing press. The transverse frame drives the printhead to move. This process completes inkjet printing. When the equipment needs to be shut down for an extended period, the printhead is moved to the upper side of the ink collection tank. Then, the first electric cylinder is extended to raise the ink collection tank, allowing the lower end of the printhead to be inserted into the ink collection tank. This allows for periodic control of the printhead to perform inkjet operations, reducing the risk of printhead clogging. The ink is collected in the ink collection tank, and the pressure on the moving end of the first electric cylinder is monitored by a pressure sensor to prevent excessive pressure from causing equipment collision damage, thus improving the practicality of the device.

[0008] Preferably, the driving device includes an ink discharge fountain, an ink discharge pipe, an ink pump, and a spring tube. An ink discharge fountain is installed on the lower end face of the ink collection tank, and an ink discharge pipe is connected to the bottom end face of the ink discharge fountain. An ink pump is installed on the right end face of the ink collection tank. The output end of the ink discharge pipe is connected to the input end of the ink pump, and the output end of the ink pump is connected to the ink storage component of the device via the spring tube. The ink discharge fountain reduces ink residue at the edge of the bottom end face of the ink collection tank. The ink pump returns the collected ink from the ink collection tank to the ink outlet component of the device. The spring tube adapts to the extension and retraction process of the first electric cylinder, preventing pipe breakage and improving the practicality of the device.

[0009] Preferably, the filtration device includes a filter box, a sealing plug, a collection box, and a filter screen. The filter box is installed on the input end of the ink pump, the sealing plug can be inserted into the filter box, and the collection box is installed on the lower end face of the sealing plug. A circular hole is provided on the left end face of the collection box corresponding to the output end of the ink discharge pipe, and a filter screen is installed on the right end face of the collection box. Impurities in the ink are filtered by the filter screen, and the filtered impurities are collected by the collection box. The method of inserting and removing the sealing plug from the filter box facilitates the replacement and cleaning of impurities in the collection box, thus improving the practicality of the device.

[0010] Preferably, it also includes a finger ring, which is provided on the top of the sealing plug; the finger ring makes it easy for the operator to quickly pull out the sealing plug.

[0011] Preferably, it also includes a sealing ring, and an annular groove is provided in the middle of the side of the sealing plug, in which the sealing ring is placed; the sealing ring increases the sealing performance when the sealing plug is inserted into the filter box, reduces ink evaporation, and improves the practicality of the device.

[0012] Preferably, the device also includes a second electric cylinder and a cover plate. The second electric cylinder is installed on the right side of the upper end face inside the casing, and a cover plate is installed on the moving end of the second electric cylinder. The cover plate is located on the upper side of the ink collection tank. When the equipment is operating normally, the second electric cylinder is controlled to extend so that the cover plate moves downward and covers the ink collection tank, thereby sealing the ink collection tank, reducing the pollution caused by the external environment to the inside of the ink collection tank, and improving the practicality of the device.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: the receiving device receives the printing press nozzle, enabling the equipment to spray ink directly. During shutdown, the nozzle is periodically turned on to spray ink, reducing the possibility of ink drying and clogging in the nozzle. The driving device sends the ink collected by the receiving device back to the ink storage tank of the equipment. The filtration device filters the recovered ink, reducing the amount of impurities from the external environment mixed into the ink, thus reducing nozzle clogging caused by impurities in the ink and improving the practicality of the device. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the isometric structure of this utility model;

[0015] Figure 2 This is a first cross-sectional structural diagram of the present invention;

[0016] Figure 3 This is a schematic diagram of the second cross-sectional structure of this utility model;

[0017] Figure 4 This is a schematic diagram of the third cross-sectional structure of this utility model;

[0018] The following are labels in the attached diagram: 1. Chassis; 2. Inspection door; 3. Horizontal movement frame; 4. Printhead; 5. First electric cylinder; 6. Ink collection tank; 7. Pressure sensor; 8. Ink vent; 9. Ink vent tube; 10. Ink pump; 11. Bourdon tube; 12. Filter box; 13. Sealing plug; 14. Miscellaneous collection box; 15. Filter screen; 16. Finger ring; 17. Sealing ring; 18. Second electric cylinder; 19. Cover plate. Detailed Implementation

[0019] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete. Example 1

[0020] Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, the drive unit is mounted on the receiving device, and the filter unit is mounted on the drive unit.

[0021] First, when the equipment needs to stop normal operation for a long time, the printhead 4 is moved to the upper side of the ink collection tank 6. Then, the first electric cylinder 5 is extended to raise the ink collection tank 6, so that the lower end of the printhead 4 is inserted into the ink collection tank 6. This allows the printhead 4 to perform ink spraying operations periodically, reducing the risk of printhead 4 clogging. The ink sprayed out is collected through the ink collection tank 6. The pressure sensor 7 monitors the pressure on the moving end of the first electric cylinder 5 to prevent excessive pressure from causing equipment collision damage. When the equipment is operating normally, the second electric cylinder 18 is extended to move the cover plate 19 downward to cover the ink collection tank 6, thereby sealing the ink collection tank 6 and reducing the pollution caused by the external environment to the inside of the ink collection tank 6. The ink pump 10 is turned on periodically to send the ink collected in the ink collection tank 6 back to the ink outlet component of the equipment.

[0022] The receiving device includes a chassis 1, an inspection door 2, a transverse frame 3, a printhead 4, a first electric cylinder 5, an ink collection tank 6, and a pressure sensor 7. The inspection door 2 is located at the front right end of the chassis 1. The transverse frame 3 is horizontally installed in the middle of the chassis 1. The printhead 4 is installed on the moving end of the transverse frame 3. The first electric cylinder 5 is installed on the right side of the lower end of the chassis 1. The ink collection tank 6 is installed on the moving end of the first electric cylinder 5 via the pressure sensor 7. The printhead 4 can move to the upper side of the ink collection tank 6 following the moving end of the transverse frame 3. The ink collection tank 6 is located in the non-printing operation area of ​​the printing press.

[0023] The drive unit includes an ink discharge fountain 8, an ink discharge pipe 9, an ink pump 10, and a spring tube 11. An ink discharge fountain 8 is provided on the lower end face of the ink collection tank 6. An ink discharge pipe 9 is connected to the bottom end face of the ink discharge fountain 8. An ink pump 10 is installed on the right end face of the ink collection tank 6. The output end of the ink discharge pipe 9 is connected to the input end of the ink pump 10. The output end of the ink pump 10 is connected to the ink storage component of the equipment through the spring tube 11.

[0024] The filtration device includes a filter box 12, a sealing plug 13, a collection box 14, and a filter screen 15. The filter box 12 is provided on the input end of the ink pump 10. The sealing plug 13 can be inserted into the filter box 12. The collection box 14 is provided on the lower end face of the sealing plug 13. A circular hole is provided on the left end face of the collection box 14 corresponding to the output end of the ink discharge pipe 9. The filter screen 15 is installed on the right end face of the collection box 14.

[0025] It also includes a ring 16, which is provided on the upper end face of the sealing plug 13;

[0026] It also includes a sealing ring 17, and an annular groove is provided in the middle of the side of the sealing plug 13, in which the sealing ring 17 is placed;

[0027] It also includes a second electric cylinder 18 and a cover plate 19. The second electric cylinder 18 is installed on the upper right side of the machine housing 1. The cover plate 19 is installed on the moving end of the second electric cylinder 18. The cover plate 19 is located on the upper side of the ink collection tank 6 and receives the printing press nozzle through a receiving device, so that the equipment can spray ink directly. During the shutdown process, the printhead is turned on periodically to spray ink, reducing the possibility of ink drying and clogging in the printhead. The ink collected by the receiving device is sent back to the ink storage tank of the equipment through the drive device. The recovered ink is filtered through the filter device to reduce the impurities in the external environment from mixing into the ink, reducing the possibility of printhead clogging caused by impurities in the ink, and improving the practicality of the device.

[0028] like Figures 1 to 4 As shown, this utility model discloses an ink circulation device for an anti-clogging printing press. During operation, when the equipment needs to be stopped for an extended period, the printhead 4 is moved to the upper side of the ink collection tank 6. Then, the first electric cylinder 5 is extended to raise the ink collection tank 6, allowing the lower end of the printhead 4 to be inserted into the ink collection tank 6. This periodically controls the printhead 4 to perform ink ejection, reducing the risk of printhead clogging. The ejected ink is collected by the ink collection tank 6. A pressure sensor 7 monitors the pressure on the moving end of the first electric cylinder 5 to prevent excessive pressure from causing equipment damage. During normal operation, the second electric cylinder 18 is extended to move the cover plate 19 downwards to cover the ink collection tank 6, sealing it and reducing external environmental contamination. The ink pump 10 is periodically activated to return the collected ink from the ink collection tank 6 to the ink outlet component of the equipment.

[0029] The transverse frame 3, printhead 4, ink pump 10, first electric cylinder 5, second electric cylinder 18, and pressure sensor 7 of the anti-clogging ink circulation device for a printing press of this utility model are commercially available. Technical personnel in this industry only need to install and operate them according to the accompanying instruction manual, without requiring any creative work from those skilled in the art.

[0030] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A clog resistant printer ink circulation device; characterized by, The device includes a receiving device, a driving device, and a filtering device. The driving device is installed on the receiving device, and the filtering device is installed on the driving device. The receiving device includes a chassis (1), an inspection door (2), a transverse frame (3), a nozzle (4), a first electric cylinder (5), an ink collection tank (6), and a pressure sensor (7). An inspection door (2) is provided on the front right side of the chassis (1). A transverse frame (3) is horizontally installed in the middle of the chassis (1). A nozzle (4) is installed on the moving end of the transverse frame (3). A first electric cylinder (5) is installed on the right side of the lower end face of the chassis (1). An ink collection tank (6) is installed on the moving end of the first electric cylinder (5) via a pressure sensor (7). The nozzle (4) can move to the upper side of the ink collection tank (6) along with the moving end of the transverse frame (3). The ink collection tank (6) is located in the non-printing operation area of ​​the printing press.

2. A clog resistant printer ink circulation device as in claim 1, wherein, The drive unit includes an ink hopper (8), an ink hopper tube (9), an ink pump (10), and a spring tube (11). An ink hopper (8) is provided on the lower end face of the ink collection tank (6). An ink hopper tube (9) is connected to the bottom end face of the ink hopper (8). An ink pump (10) is installed on the right end face of the ink collection tank (6). The output end of the ink hopper tube (9) is connected to the input end of the ink pump (10). The output end of the ink pump (10) is connected to the ink storage component of the device through the spring tube (11).

3. A clog resistant printer ink circulation device as in claim 2, wherein, The filtration device includes a filter box (12), a sealing plug (13), a collection box (14), and a filter screen (15). The filter box (12) is provided on the input end of the ink pump (10). The sealing plug (13) can be inserted into the filter box (12). The collection box (14) is provided on the lower end face of the sealing plug (13). A circular hole is provided on the left end face of the collection box (14) corresponding to the output end of the ink discharge pipe (9). The filter screen (15) is installed on the right end face of the collection box (14).

4. A clog resistant printer ink circulation device as in claim 3, wherein, It also includes a ring (16), and the upper end surface of the sealing plug (13) is provided with a ring (16).

5. A clog resistant printer ink circulation device as in claim 4, wherein, It also includes a sealing ring (17), and an annular groove is provided in the middle of the side of the sealing plug (13), in which the sealing ring (17) is placed.

6. A clog resistant printer ink circulation device as in claim 5, wherein, It also includes a second electric cylinder (18) and a cover plate (19). The second electric cylinder (18) is installed on the right side of the upper end of the machine housing (1). The cover plate (19) is installed on the moving end of the second electric cylinder (18). The cover plate (19) is located on the upper side of the ink collection tank (6).

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