A three-printhead printer ink stack

Abstract

The utility model relates to related technical field of printer ink stack, especially a kind of three print head printer ink stack, including bottom support, the upper surface side of bottom support is fixedly installed with driving motor, the output of driving motor is fixedly connected with screw rod, the one end of screw rod is connected with ball nut seat, the outer ring of ball nut seat is fixedly installed with connecting plate, the one end of connecting plate is fixedly installed with moving plate, and the both sides surface bore of moving plate is penetrated with connecting piece.The three print head printer ink stack, through screw rod drive mechanism cooperation photoelectric limit switch, the accurate positioning of ink stack tray is realized, perfect docking with print head is ensured, detachable connecting piece and linkage rod structure are used, maintenance time is shortened, automatic position detection is realized by the cooperation of electric limit switch and limit piece, the problem that traditional mechanical limit is easily worn is avoided, and service life is extended.

Description

Technical Field

[0001] This utility model relates to the technical field of printer ink stacks, and in particular to an ink stack for a three-printhead printer. Background Technology

[0002] The ink stack in an inkjet printer is a component used to bond with the printhead. Its function is to use a vacuum principle to forcefully remove clogged ink, thus cleaning the printhead. The ink stack uses negative vacuum to extract ink from the printhead, helping to clear blockages and preventing printhead degradation or damage due to ink residue. The ink stack is tightly fitted to the printhead via a rubber sealing ring, creating a vacuum environment. This sealing structure prevents ink evaporation and air from entering the printhead, avoiding dryness and clogging. Simultaneously, the ink stack keeps the printhead moist, extending its lifespan. Therefore, an ink stack for a three-head printer is needed.

[0003] In most existing three-printhead printers, the ink stack is cleaned by moving the print carriage to a safe position and manually pressing or rotating the ink stack components, which are then secured with clips or screws. Alternatively, an internal mechanical structure (such as gears or motor drive) can be used to automatically raise and lower the ink stack via a control panel or software commands. However, the raising and lowering structure is complex and not convenient for quick docking.

[0004] To address the aforementioned issues, a search revealed a patent with publication number CN211710375U that discloses a printer ink stack device. The patent proposes that "by using a synchronous belt adjustment component located below the synchronous belt, when the synchronous belt becomes loose due to prolonged operation, the relative position of the tensioning wheel and the outer side of the synchronous belt can be adjusted by adjusting the extension length of the movable end of the lifting component, thereby achieving the effect of tensioning the synchronous belt, thus improving transmission accuracy and extending the service life of the synchronous belt." Although the motor shaft drives the reduction gear to rotate via the first gear, the reduction gear shaft drives the second gear to rotate, and the second gear drives the synchronous belt pulleys at both ends of the synchronous belt to rotate synchronously, thereby driving the two sets of cam lifting shafts to rotate synchronously, and the cams on the cam lifting shafts apply different degrees of lifting displacement to the mounting plate via pressure strips, the overall structure is complex and inconvenient for maintenance.

[0005] In light of this, in-depth research into the aforementioned issues led to the creation of this case. Utility Model Content

[0006] The purpose of this utility model is to provide an ink stack for a three-printhead printer, in order to solve the problem mentioned in the background art of existing three-printhead printer ink stacks. Most printer ink stacks, when in contact with the printhead for cleaning, are generally cleaned by moving the print carriage to a safe position and manually pressing or rotating the ink stack components, which are then fixed in place with clips or screws, or by using a built-in mechanical structure (such as gears or motor drive) to achieve automatic lifting and lowering through a control panel or software commands. However, the lifting structure is complex and not convenient for quick docking.

[0007] To achieve the above objectives, this utility model provides the following technical solution: an ink stack for a three-printhead printer, comprising a base, a drive motor fixedly mounted on one side of the upper surface of the base, a lead screw fixedly connected to the output end of the drive motor, a ball bearing nut seat sleeved on one end of the lead screw, a connecting plate fixedly mounted on the outer ring of the ball bearing nut seat, a movable plate fixedly mounted on one end of the connecting plate, connecting members penetrating through openings on both sides of the movable plate, a linkage rod sleeved on one end of the connecting member, a mounting plate connected to the other end of the linkage rod via the connecting member, a side plate fixedly mounted on one side of the mounting plate, upright plates fixedly mounted on both sides of the upper surface of the base, transverse grooves formed on both sides of the surface of the upright plates, a longitudinal groove formed above the transverse grooves on both sides of the surface of the upright plates, a tray fixedly mounted on the upper surface of the mounting plate, a limit piece fixedly mounted on one side of the lower surface of the tray, a photoelectric limit switch fixedly mounted on one side of the upper surface of the base, an ink-absorbing pad fixedly mounted on the upper surface of the tray, and a silicone scraper provided on one side of the upper surface of the tray.

[0008] Preferably, the end bearing of the lead screw is connected to a fixed seat, and the fixed seat is fixedly installed on the upper surface of the base.

[0009] Preferably, the initial point is the position where one side of the movable plate is in contact with the mounting bracket of the drive motor, and the displacement distance from the ball nut seat to the fixed seat matches the size of the longitudinal groove.

[0010] Preferably, the movable plate and the mounting plate are arranged symmetrically, and both ends of the linkage rod are connected by connectors.

[0011] Preferably, the connector passes through the moving plate, the linkage rod, and the mounting plate simultaneously, and the connector consists of a column with a threaded inner ring and a threaded joint.

[0012] Preferably, the lower connector is connected to the transverse groove on the surface of the upright plate, and the upper connector is connected to the longitudinal groove on the surface of the upright plate.

[0013] Preferably, the position of the limiting plate corresponds to that of the photoelectric limit switch, and the side plate provides an installation platform for other auxiliary components.

[0014] Compared with existing technologies, the beneficial effects of this utility model are as follows: The ink stack of this three-printhead printer achieves precise positioning of the ink stack tray through a lead screw transmission mechanism in conjunction with a photoelectric limit switch, ensuring perfect docking with the printhead. The use of detachable connectors and linkage rod structure shortens maintenance time. The innovative design of the horizontal and vertical grooves enables synchronous maintenance of the three printheads within a limited space. The cooperation between the electric limit switch and the limit plate enables automatic position detection, avoiding the problem of easy wear of traditional mechanical limiters and extending service life. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall appearance and structure of the present utility model;

[0016] Figure 2 This is a schematic diagram of the interaction between the movable plate and the mounting plate of this utility model;

[0017] Figure 3 This is a schematic diagram of the vertical plate structure of this utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the tray and ink-absorbing pad of this utility model in cooperation with each other;

[0019] Figure 5 This is a schematic diagram of the interoperable structure of the connecting plate and the movable plate of this utility model.

[0020] In the diagram: 1. Base support; 2. Drive motor; 3. Lead screw; 4. Ball bearing nut seat; 5. Connecting plate; 6. Moving plate; 7. Fixed seat; 8. Connecting piece; 9. Linkage rod; 10. Mounting plate; 11. Side plate; 12. Vertical plate; 13. Horizontal groove; 14. Longitudinal groove; 15. Tray; 16. Limit plate; 17. Photoelectric limit switch; 18. Ink absorption pad; 19. Silicone scraper. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-5This utility model provides a technical solution: an ink stack for a three-printhead printer, including a base 1. A drive motor 2 is fixedly installed on one side of the upper surface of the base 1. A lead screw 3 is fixedly connected to the output end of the drive motor 2. A ball bearing nut seat 4 is sleeved and connected to one end of the lead screw 3. A connecting plate 5 is fixedly installed on the outer ring of the ball bearing nut seat 4. A movable plate 6 is fixedly installed on one end of the connecting plate 5. Connecting pieces 8 penetrate through openings on both sides of the movable plate 6. A linkage rod 9 is sleeved on one end of the connecting piece 8. The other end of the linkage rod 9 is connected to a mounting plate 10 through the connecting piece 8. A side plate 11 is fixedly installed on one side of the plate 10. Upright plates 12 are fixedly installed on both sides of the upper surface of the base 1. Horizontal grooves 13 are opened on both sides of the surface of the upright plates 12. A longitudinal groove 14 is opened above the horizontal grooves 13 on both sides of the surface of the upright plates 12. A tray 15 is fixedly installed on the upper surface of the mounting plate 10. A limit piece 16 is fixedly installed on one side of the lower surface of the tray 15. A photoelectric limit switch 17 is fixedly installed on one side of the upper surface of the base 1. An ink-absorbing pad 18 is fixedly installed on the upper surface of the tray 15. A silicone scraper 19 is provided on one side of the upper surface of the tray 15.

[0023] Furthermore, the end bearing of the lead screw 3 is connected to a fixed seat 7, which is fixedly installed on the upper surface of the base 1. Through the setting of the lead screw 3, the end of the lead screw 3 is connected to the fixed seat 7 through a precision bearing. The fixed seat 7 provides stable support for the lead screw 3, and the position of the fixed seat 7 can also play a limiting role.

[0024] Furthermore, the initial point is the position where one side of the movable plate 6 is attached to the mounting bracket of the drive motor 2. The displacement distance from the ball nut seat 4 to the fixed seat 7 matches the size of the longitudinal groove 14. Through the setting of the longitudinal groove 14, the ball nut seat 4 forms a strict match with the length of the longitudinal groove 14, and strictly controls the up and down movement distance of the tray 15.

[0025] Furthermore, the movable plate 6 and the mounting plate 10 are symmetrically arranged, and the two ends of the linkage rod 9 are connected by connectors 8. Through the arrangement of the movable plate 6 and the mounting plate 10, the movable plate 6 and the mounting plate 10 are arranged in a mirror image, and the two ends of the linkage rod 9 are connected by connectors 8 to ensure the consistency of synchronous cleaning of the three printheads.

[0026] Furthermore, the connector 8 passes through the moving plate 6, the linkage rod 9, and the mounting plate 10. The connector 8 consists of a column with a threaded inner ring and a threaded joint. The connector 8 is made of stainless steel and can be disassembled, making disassembly and maintenance simple and convenient.

[0027] Furthermore, the lower connector 8 is connected to the transverse groove 13 on the surface of the vertical plate 12, and the upper connector 8 is connected to the longitudinal groove 14 on the surface of the vertical plate 12. Through the setting of the transverse groove 13 and the longitudinal groove 14, the transverse groove 13 and the longitudinal groove 14 can cooperate with each other to limit the transverse and longitudinal movements.

[0028] Furthermore, the position of the limit plate 16 corresponds to that of the photoelectric limit switch 17, and the side plate 11 provides an installation platform for other auxiliary components. The side plate 11 has mounting holes, allowing for the expansion and installation of accessories such as ink pumps and solenoid valves, forming a complete cleaning system.

[0029] Working principle: First, the drive motor 2 is in a de-energized state. The moving plate 6 is close to the side of the mounting bracket of the drive motor 2. The ball nut seat 4 is located at the starting section of the lead screw 3. The tray 15 is in a low standby position. When cleaning is required, the drive motor 2 rotates clockwise, driving the lead screw 3 to rotate stably through the coupling. At the same time, the rotation of the lead screw 3 drives the ball nut seat 4 to move. The ball nut seat 4 pushes the moving plate 6 to move linearly through the connecting plate 5. The moving plate 6 drives the linkage rod 9 to move through the connecting piece 8. The other end of the linkage rod 9 drives the mounting plate 10 through the same connecting piece 8. The lower connecting piece 8 moves horizontally along the transverse groove 13 of the vertical plate 12, and the upper connecting piece 8 moves vertically along the longitudinal groove 14, forming a specific motion trajectory of first horizontal and then vertical. The movement of the mounting plate 10 drives the tray 15 to rise to the working position. The ink absorption pad 18 absorbs excess ink under negative pressure, and at the same time, the silicone scraper 19 scrapes off the residue on the surface of the printhead. When cleaning is completed, the drive motor 2 reverses, and all components return according to the principle. The limit plate 16 triggers the photoelectric limit switch 17 to generate a reset signal.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An ink stack for a three-printhead printer, comprising a base (1), characterized in that: A drive motor (2) is fixedly installed on one side of the upper surface of the base (1). A lead screw (3) is fixedly connected to the output end of the drive motor (2). A ball nut seat (4) is sleeved on one end of the lead screw (3). A connecting plate (5) is fixedly installed on the outer ring of the ball nut seat (4). A movable plate (6) is fixedly installed on one end of the connecting plate (5). Connecting parts (8) are passed through the openings on both sides of the movable plate (6). A linkage rod (9) is sleeved on one end of the connecting part (8). A mounting plate (10) is connected to the other end of the linkage rod (9) through the connecting part (8). A side plate (11) is fixedly installed on one side of the mounting plate (10). The base (1) has upright plates (12) fixedly installed on both sides of its upper surface. The upright plates (12) have horizontal grooves (13) on both sides of their surfaces. The upright plates (12) have vertical grooves (14) above the horizontal grooves (13) on both sides of their surfaces. The mounting plate (10) has a tray (15) fixedly installed on its upper surface. The tray (15) has a limit piece (16) fixedly installed on one side of its lower surface. The base (1) has a photoelectric limit switch (17) fixedly installed on one side of its upper surface. The tray (15) has an ink-absorbing pad (18) fixedly installed on its upper surface. The tray (15) has a silicone scraper (19) on one side of its upper surface.

2. The ink stack of a three-printhead printer according to claim 1, characterized in that: The end bearing of the lead screw (3) is connected to a fixed seat (7), which is fixedly installed on the upper surface of the base (1).

3. The ink stack of a three-printhead printer according to claim 1, characterized in that: The initial point is the position where one side of the moving plate (6) is attached to the mounting bracket of the drive motor (2), and the displacement distance from the ball nut seat (4) to the fixed seat (7) matches the size of the longitudinal groove (14).

4. The ink stack of a three-printhead printer according to claim 1, characterized in that: The movable plate (6) and the mounting plate (10) are symmetrically arranged, and both ends of the linkage rod (9) are connected by connectors (8).

5. The ink stack of a three-printhead printer according to claim 1, characterized in that: The connector (8) passes through the moving plate (6), the linkage rod (9) and the mounting plate (10) simultaneously. The connector (8) consists of a column with a threaded inner ring and a threaded joint.

6. The ink stack of a three-printhead printer according to claim 1, characterized in that: The lower connector (8) is connected to the transverse groove (13) on the surface of the upright plate (12), and the upper connector (8) is connected to the longitudinal groove (14) on the surface of the upright plate (12).

7. The ink stack of a three-printhead printer according to claim 1, characterized in that: The position of the limiting piece (16) corresponds to that of the photoelectric limit switch (17), and the side plate (11) provides an installation platform for other auxiliary components.

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