Spray head moving device

Abstract

The utility model relates to a nozzle moving device which comprises a base, a driving assembly, a moving plate and a plurality of ink-jet heads. The bases are arranged in pairs, driving assemblies are arranged on the bases, the moving plate is located between the bases in pairs, the end of the moving plate is connected with the driving assemblies, the driving assemblies can drive the moving plate to do linear reciprocating motion on the bases in the first direction, and the ink jet heads are arranged on the moving plate. The ink-jet heads are arranged on the moving plate in an array mode, the driving assembly is used for driving the moving plate to move in the first direction, the moving plate drives the ink-jet heads in the printer to integrally move to different positions, and when the ink-jet heads need to be maintained, the moving plate drives the ink-jet heads to be integrally away from paper. Therefore, an outlet of the ink jet head has enough space for ink scraping or ink absorption and the like, and the ink jet head is convenient to moisturize or maintain.

Description

Technical Field

[0001] The utility model relates to the field of inkjet printing, in particular to a nozzle moving device. Background Art

[0002] Inkjet printers typically have multiple inkjet heads arranged in an array for printing on paper. After a long period of inactivity, the ink at the inkjet head outlet tends to solidify, potentially clogging the head. This necessitates maintenance, such as scraping or vacuuming away dust or solidified ink. However, existing inkjet printers often have inkjet heads that cannot be moved simultaneously, making maintenance difficult. Utility Model Content

[0003] (1) Technical issues to be resolved

[0004] The utility model provides a nozzle moving device, aiming to solve the problem of inconvenient inkjet head maintenance in the prior art.

[0005] (2) Technical solution

[0006] In order to solve the above problems, the utility model provides a nozzle moving device, which includes: a base, a driving assembly, a moving plate and a plurality of inkjet heads;

[0007] The bases are arranged in pairs, and the driving components are provided on each of the bases. The movable plate is located between the paired bases, and the end of the movable plate is connected to the driving component. The driving component can drive the movable plate to perform linear reciprocating motion along a first direction on the base, and the inkjet head is arranged on the movable plate.

[0008] Preferably, the driving assembly includes: a slider and a screw rod;

[0009] A linear guide rail is provided on the base, the slider is slidably provided on the linear guide rail, the screw rod is rotatably installed on the base, a driving hole is provided through the slider, an internal thread matching the screw rod is provided in the driving hole, the slider is sleeved on the screw rod through the driving hole, the screw rod can drive the slider to slide along the linear guide rail, and the end of the movable plate is connected to the slider.

[0010] Preferably, the drive assembly further comprises a synchronization shaft and a pair of transmission boxes;

[0011] The base is provided with the transmission box, and the first bevel gear and the second bevel gear are rotatably provided in the transmission box, the first bevel gear is meshed with the second bevel gear, and the angle between the center line of the first bevel gear and the center line of the second bevel gear is 90 degrees; the second bevel gear is connected to the screw rod, the center line of the second bevel gear is collinear with the center line of the screw rod, and the second bevel gear can drive the screw rod to rotate;

[0012] The synchronizing shaft is arranged between the two transmission boxes, and both ends of the synchronizing shaft are fixedly connected to the corresponding first bevel gears.

[0013] Preferably, the drive assembly further comprises a drive motor;

[0014] A driving motor is provided on one of the two transmission boxes. The output shaft of the driving motor is fixedly connected to the first bevel gear. The driving motor can drive the first bevel gear to rotate.

[0015] Preferably, at least two position sensors are provided on at least one of the bases, and the position sensors are arranged along a first direction, and the position sensors are used to detect the position of the movable plate.

[0016] Preferably, three position sensors are provided on the base.

[0017] Preferably, an ink-drawing element is slidably provided on the movable plate, an ink-absorbing head is provided in the ink-drawing element, the ink-absorbing head faces the outlet of the inkjet head, and the ink-absorbing head can absorb ink at the outlet of the inkjet head.

[0018] (3) Beneficial effects

[0019] The utility model has a plurality of inkjet heads arranged in an array on a movable plate, and a driving assembly is used to drive the movable plate to move in a first direction, and the movable plate drives the plurality of inkjet heads in the printer to move as a whole to different positions. When the inkjet heads need maintenance, the movable plate drives the plurality of inkjet heads as a whole away from the paper, so that there is enough space at the outlet of the inkjet heads to perform tasks such as scraping or absorbing ink, thereby facilitating moisturizing or maintenance of the inkjet heads. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of the nozzle moving device of the utility model;

[0021] Figure 2 for Figure 1 Enlarged view at point A.

[0022] [Description of Reference Numerals]

[0023] 1: Base; 11: Linear guide; 2: Drive assembly; 21: Slider; 22: Screw; 23: Synchronous shaft; 24: Transmission box; 25: Drive motor; 3: Moving plate; 31: Ink suction element; 32: Ink suction head; 4: Inkjet head. DETAILED DESCRIPTION

[0024] In order to better explain the present invention and facilitate understanding, the present invention is described in detail below through specific implementation methods in conjunction with the accompanying drawings.

[0025] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0026] In addition, the terms "first," "second," and so on, used in this utility model are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, features specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0027] In this utility model, unless otherwise specified or limited, the terms "connection" and "fixation" should be understood in a broad sense. For example, "fixation" can mean fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0028] The utility model provides a nozzle moving device, comprising: a base 1, a drive assembly 2, a movable plate 3, and an inkjet head 4. The bases 1 are arranged in pairs, each of which is provided with a drive assembly 2. The movable plate 3 is located between the paired bases 1, and the ends of the movable plate 3 are connected to the drive assembly 2. The drive assembly 2 is capable of driving the movable plate 3 to perform linear reciprocating motion along a first direction on the base 1. The inkjet head 4 is disposed on the movable plate 3. An ink extraction element 31 is slidably disposed on the movable plate 3. An ink absorbing head 32 is disposed within the ink extraction element 31. The ink absorbing head 32 faces the outlet of the inkjet head 4 and is capable of absorbing ink at the outlet of the inkjet head 4.

[0029] During actual use, the movable plate 3 is capable of moving in the vertical direction. When the inkjet head 4 is printing, the movable plate 3 moves the inkjet head 4 to a position close to the paper. When the inkjet head 4 requires maintenance, the movable plate 3 moves the inkjet head 4 away from the paper, allowing sufficient space at the outlet of the inkjet head 4 for maintenance, such as ink scraping or ink absorption. In the technical solution of the present utility model, multiple inkjet heads 4 are arranged in an array on the movable plate 3. The driving assembly 2 drives the movable plate 3 to move in a first direction. The movable plate 3 drives the multiple inkjet heads 4 in the printer to move to different positions as a whole, thereby facilitating the moisturizing or maintenance of the inkjet heads 4.

[0030] Furthermore, the drive assembly 2 includes a slider 21 and a screw rod 22. A linear guide rail 11 is provided on the base 1. The slider 21 is slidably disposed on the linear guide rail 11. The screw rod 22 is rotatably mounted on the base 1. A drive hole is provided through the slider 21. The drive hole is provided with an internal thread that cooperates with the screw rod 22. The slider 21 is sleeved on the screw rod 22 through the drive hole. The screw rod 22 can drive the slider 21 to slide along the linear guide rail 11. The end of the movable plate 3 is connected to the slider 21. By driving the screw rod 22 to rotate, the slider 21 moves along the screw rod 22 in a first direction, thereby driving the movable plate 3 to move back and forth. By providing a driving hole with an internal thread in the slider 21, a transmission mode of the screw rod 22 nut is formed between the slider 21 and the screw rod 22, and the self-locking property between the screw rod 22 and the nut is utilized, that is, only the screw rod 22 can be rotated to drive the slider 21 to move. When in use, the slider 21 will not slide by itself due to additional external force, ensuring that the inkjet head 4 can stay in the set position for a long time without slipping.

[0031] Furthermore, the drive assembly 2 also includes a synchronization shaft 23 and a pair of transmission boxes 24. Each transmission box 24 is provided on the base 1. A first bevel gear and a second bevel gear are rotatably mounted within the transmission box 24. The first bevel gear meshes with the second bevel gear, and the angle between the centerline of the first bevel gear and the centerline of the second bevel gear is 90°. The second bevel gear is connected to the screw rod 22, and the centerline of the second bevel gear is collinear with the centerline of the screw rod 22, enabling the second bevel gear to drive the screw rod 22 to rotate. The synchronization shaft 23 is disposed between the two transmission boxes 24, and each end of the synchronization shaft 23 is fixedly connected to the corresponding first bevel gear.

[0032] In the above solution, the first bevel gear can be connected to the motor to transmit power to the screw 22. The centerline of the first bevel gear is located on the horizontal plane, and the centerline of the second bevel gear is located on the vertical plane. The meshing of the first bevel gear and the second bevel gear changes the direction of the output shaft, making it easier to arrange the motor on the transmission box 24. In addition, the two first bevel gears are connected by the synchronization shaft 23, achieving synchronous rotation of the two first bevel gears, enabling the sliders 21 at both ends of the movable plate 3 to move synchronously, and ensuring that both ends of the movable plate 3 can move synchronously.

[0033] In a preferred embodiment, the drive assembly 2 further includes a drive motor 25. The drive motor 25 is mounted on one of the two transmission cases 24. The output shaft of the drive motor 25 is fixedly connected to the first bevel gear, and the drive motor 25 is capable of driving the first bevel gear to rotate. In this embodiment, only one drive motor 25 is required to drive the two lead screws 22 to rotate synchronously.

[0034] Finally, at least two position sensors are provided on at least one base 1, arranged along a first direction, and are used to detect the position of the movable plate 3. Three position sensors are provided on the base 1. When the movable plate 3 moves to a corresponding position sensor, the position sensor senses the movement and controls the drive motor 25 to stop driving, causing the movable plate 3 to stop at the corresponding position sensor.

[0035] It should be understood that the above description of the specific embodiments of the present invention is merely for the purpose of illustrating the technical approach and features of the present invention. Its purpose is to enable those skilled in the art to understand the contents of the present invention and implement them accordingly. However, the present invention is not limited to the above-described specific embodiments. Any changes or modifications made within the scope of the claims of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A nozzle moving device, characterized in that: The inkjet head moving device comprises: a base (1), a driving assembly (2), a moving plate (3) and a plurality of inkjet heads (4); The bases (1) are arranged in pairs, and the driving components (2) are arranged on each of the bases (1). The movable plate (3) is located between the paired bases (1), and the end of the movable plate (3) is connected to the driving components (2). The driving components (2) can drive the movable plate (3) to perform linear reciprocating motion along a first direction on the base (1), and the inkjet head (4) is arranged on the movable plate (3).

2. The nozzle moving device according to claim 1, wherein: The driving assembly (2) comprises: a slider (21) and a screw rod (22); A linear guide rail (11) is provided on the base (1), the slider (21) is slidably provided on the linear guide rail (11), the screw rod (22) is rotatably mounted on the base (1), a driving hole is provided through the slider (21), an internal thread matching the screw rod (22) is provided in the driving hole, the slider (21) is sleeved on the screw rod (22) through the driving hole, the screw rod (22) can drive the slider (21) to slide along the linear guide rail (11), and the end of the movable plate (3) is connected to the slider (21).

3. The nozzle moving device according to claim 2, wherein: The drive assembly (2) further comprises a synchronization shaft (23) and a pair of transmission boxes (24); The base (1) is provided with the transmission box (24), and a first bevel gear and a second bevel gear are rotatably provided in the transmission box (24), the first bevel gear is meshed with the second bevel gear, and the angle between the center line of the first bevel gear and the center line of the second bevel gear is (90) degrees; the second bevel gear is connected to the screw rod (22), the center line of the second bevel gear is colinear with the center line of the screw rod (22), and the second bevel gear can drive the screw rod (22) to rotate; The synchronizing shaft (23) is arranged between two transmission boxes (24), and the ends of the synchronizing shaft (23) are fixedly connected to the corresponding first bevel gears.

4. The nozzle moving device according to claim 3, wherein: The driving assembly (2) further includes a driving motor (25); A drive motor (25) is provided on one of the two transmission boxes (24), an output shaft of the drive motor (25) is fixedly connected to the first bevel gear, and the drive motor (25) can drive the first bevel gear to rotate.

5. The nozzle moving device according to any one of claims 1 to 4, characterized in that: At least two position sensors are provided on at least one of the bases (1), the position sensors are arranged along a first direction, and the position sensors are used to detect the position of the movable plate (3).

6. The nozzle moving device according to claim 5, wherein: Three position sensors are arranged on the base (1).

7. The nozzle moving device according to any one of claims 1 to 4, characterized in that: An ink-drawing element (31) is slidably provided on the movable plate (3), an ink-absorbing head (32) is provided inside the ink-drawing element (31), the ink-absorbing head (32) faces the outlet of the inkjet head (4), and the ink-absorbing head (32) can absorb ink at the outlet of the inkjet head (4).

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