Small sheet digital printer

Abstract

The utility model discloses a small sheet digital printer, which relates to the technical field of printers, and comprises a base, the upper surface of the base is provided with a negative pressure pipeline capable of being closed in a partitioned manner, the upper surface of the base is provided with a support frame, and the inner wall of the support frame, which is positioned above the negative pressure pipeline capable of being closed in the partitioned manner, is provided with an air suction belt; a cross beam is arranged above the air suction belt in an up-down sliding mode, a printing trolley is arranged on one side of the cross beam in a sliding mode, and spray heads are arranged on the left side and the right side in the printing trolley correspondingly. By means of the moisturizing cleaning mechanism arranged on the upper surface of the supporting plate, when the two spray heads need to be cleaned, the supporting plate is moved, in the moving process, the sponge roller fixed to the moisturizing bottom plate can scrape off residual ink on the spray heads, automatic cleaning is achieved, then two moisturizing ink pads make contact with the corresponding spray heads respectively, and the cleaning efficiency is improved. Therefore, the nozzle can be protected, air drying of ink on the surface of the nozzle is slowed down, and moisturizing is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of printers, in particular to a small sheet digital printer. Background Art

[0002] Digital printers, also known as universal flatbed printers and arc printers, can print on any material and irregular soft and hard objects. Their printing method is inkjet printing, and there is no actual contact with the object during the printing process.

[0003] Among them, a digital printer with the publication number CN214399297U includes: a printer body, on which a power cord is installed; and a storage component; the storage component includes a storage box fixed on the printer body, a support shaft rotatably supported in the storage box, and a wire reel fixed on the support shaft; the power cord is fixedly installed on the wire reel and can be wound on the wire reel as the support shaft rotates; the support shaft is connected to a power component capable of driving the support shaft to rotate, and a control component capable of preventing the support shaft from rotating is installed in the storage box.

[0004] However, after the existing digital printer sprays ink, a part of the ink will adhere to the surface of the print head. If the residual ink is not processed in time at this time, the ink will solidify, and in severe cases, it can even damage the print head. Summary of the Utility Model

[0005] In view of the above problems existing in the existing digital printers, the present utility model is proposed.

[0006] Therefore, the purpose of the present utility model is to provide a small sheet digital printer, which solves the problem that after the existing digital printer sprays ink, a part of the ink will adhere to the surface of the print head. If the residual ink is not processed in time at this time, the ink will solidify, and in severe cases, it can even damage the print head.

[0007] To achieve the above purpose, the present utility model provides the following technical solutions:

[0008] A small sheet digital printer includes a base. A partitionable closed negative pressure pipeline is arranged on the upper surface of the base. A support frame is arranged on the upper surface of the base. An air suction belt is arranged on the inner wall of the support frame above the partitionable closed negative pressure pipeline. A cross beam is slidably arranged up and down above the air suction belt. A printing carriage is slidably arranged on one side of the cross beam. Nozzles are arranged on both the left and right sides inside the printing carriage. A support plate is slidably arranged on the inner wall of the support frame. A moisture preservation and cleaning mechanism is arranged on the upper surface of the support plate, and the moisture preservation and cleaning mechanism is matched with the two nozzles.

[0009] Preferably, the moisturizing and cleaning mechanism includes two moisturizing bottom plates, two moisturizing ink pads, and two sponge rollers. Both of the two moisturizing bottom plates are arranged on the upper surface of the support plate. Both of the two moisturizing ink pads are fixedly connected to the upper surface of the corresponding moisturizing bottom plate. The two sponge rollers are respectively rotatably connected to the upper surface of the moisturizing bottom plate and are respectively located on one side of the corresponding moisturizing ink pad.

[0010] Preferably, a pressure roller is arranged on the upper surface of the suction belt.

[0011] Preferably, a first guide rail is arranged on one side of the cross beam, and the printing carriage moves through the first guide rail.

[0012] Preferably, a second guide rail is arranged on the side wall of the support frame, and the support plate moves through the second guide rail.

[0013] Preferably, two elastic telescopic rods are fixedly connected between both of the two moisturizing bottom plates and the support plate.

[0014] In the above technical solution, the technical effects and advantages provided by the present utility model are as follows:

[0015] 1. In the present utility model, through the moisturizing and cleaning mechanism arranged on the upper surface of the support plate, when the two nozzles need to be cleaned, the support plate is moved. During the movement, the sponge rollers fixed on the moisturizing bottom plates can scrape off the remaining ink on the nozzles, thereby realizing automatic cleaning. Subsequently, the two moisturizing ink pads are respectively contacted with the corresponding nozzles, so as to protect the nozzles and slow down the air drying of the ink on the nozzle surfaces, achieving the purpose of moisturizing.

[0016] 2. In the present utility model, by closing the negative pressure pipelines in a partitioned manner, the air zones can be flexibly opened and closed according to different sizes of printing materials to improve the adsorption efficiency. For the corresponding inkjet areas, no air suction holes are arranged to avoid the influence of air suction on the ink droplets. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings.

[0018] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0019] Figure 2 is of the present utility model Figure 1 three-dimensional structural schematic diagram of the printing carriage;

[0020] Figure 3 is of the present utility model Figure 1Schematic three-dimensional structure diagram of the middle crossbeam;

[0021] Figure 4 This is for the present utility model Figure 1 Schematic three-dimensional structure diagram of the middle support plate;

[0022] Figure 5 This is for the present utility model Figure 1 Schematic three-dimensional structure diagram of the middle suction belt.

[0023] Explanation of reference numerals:

[0024] 1. Base; 2. Partitionable closed negative pressure pipeline; 3. Support frame; 4. Suction belt; 5. Crossbeam; 6. Printing carriage; 7. Nozzle; 8. Support plate; 9. Moisture-proof bottom plate; 10. Moisture-proof ink pad; 11. Sponge roller; 12. Pressure roller; 13. First guide rail; 14. Second guide rail; 15. Elastic telescopic rod. Detailed implementation manners

[0025] In order to enable those skilled in the art to better understand the technical solution of the present utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0026] An embodiment of the present utility model discloses a small sheet digital printer.

[0027] Embodiment 1

[0028] Referring to Figures 1-5 , a small sheet digital printer includes a base 1, a partitionable closed negative pressure pipeline 2 is arranged on the upper surface of the base 1, a support frame 3 is arranged on the upper surface of the base 1, a suction belt 4 is arranged on the inner wall of the support frame 3 above the partitionable closed negative pressure pipeline 2, a crossbeam 5 is slidably arranged above the suction belt 4, a printing carriage 6 is slidably arranged on one side of the crossbeam 5, nozzles 7 are arranged on both the left and right sides inside the printing carriage 6, and a support plate 8 is slidably arranged on the inner wall of the support frame 3.

[0029] The suction belt 4 adopts a guide strip conveyor belt of 850mm * 2607mm. On the premise of ensuring flatness, the friction force is increased. The printing carriage 6 uses double nozzles 7 for printing. The entire platform suction is divided into left and right parts. Among them, the left suction is always open, and the right side can be manually adjusted. When only one nozzle 6 is used for work, the negative pressure is concentrated in the left area. When two nozzles are used at the same time, the suction on both sides needs to be opened at the same time.

[0030] Referring to Figures 1-5, a moisturizing and cleaning mechanism is provided on the upper surface of the support plate 8. The moisturizing and cleaning mechanism is matched with the two nozzles 7. The moisturizing and cleaning mechanism includes two moisturizing bottom plates 9, two moisturizing ink pads 10 and two sponge rollers 11. The two moisturizing bottom plates 9 are both arranged on the upper surface of the support plate 8. The two moisturizing ink pads 10 are both fixedly connected to the upper surfaces of the corresponding moisturizing bottom plates 9. The two sponge rollers 11 are respectively rotatably connected to the upper surfaces of the moisturizing bottom plates 9 and are respectively located on one side of the corresponding moisturizing ink pads 10.

[0031] When the two nozzles 7 need to be cleaned, move the support plate 8. During the movement, the sponge rollers 11 fixed on the moisturizing bottom plates 9 can scrape off the remaining ink on the nozzles 7, thus realizing automatic cleaning. Subsequently, the two moisturizing ink pads 10 are respectively contacted with the corresponding nozzles 7, thereby protecting the nozzles 7 and slowing down the air drying of the ink on the surfaces of the nozzles 7, achieving the purpose of moisturizing.

[0032] Embodiment Two

[0033] On the basis of Embodiment One, refer to Figure 5 , a pressure roller 12 is provided on the upper surface of the suction belt 4.

[0034] The pressure roller 12 can be used to press the material to be printed, thereby preventing the material from shaking.

[0035] Embodiment Three

[0036] On the basis of Embodiment One, refer to Figure 3 , a first guide rail 13 is provided on one side of the cross beam 5, and the printing carriage 6 moves through the first guide rail 13.

[0037] The first guide rail 13 can be used to enable the printing carriage 6 to move left and right.

[0038] Embodiment Four

[0039] On the basis of Embodiment One, refer to Figure 1 , a second guide rail 14 is provided on the side wall of the support frame 3, and the support plate 8 moves through the second guide rail 14.

[0040] The second guide rail 14 can be used to enable the support frame 3 to move left and right.

[0041] Embodiment Five

[0042] On the basis of Embodiment One, refer to Figure 4 , two elastic telescopic rods 15 are fixedly connected between the two moisturizing bottom plates 9 and the support plate 8.

[0043] The two elastic telescopic rods 15 can be used to enable the two moisturizing bottom plates 9 to move up and down, thereby facilitating the contact between the heat preservation bottom plate 9 and the two nozzles 7.

[0044] Only some exemplary embodiments of the present utility model have been described by way of illustration above. Undoubtedly, for those of ordinary skill in the art, various different ways can be used to modify the described embodiments without departing from the spirit and scope of the present utility model. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present utility model.

Claims

1. A small sheet digital printer, comprising a base (1), characterized in that: The upper surface of the base (1) is provided with a partitionable and closable negative pressure pipeline (2), the upper surface of the base (1) is provided with a support frame (3), the inner wall of the support frame (3) located above the partitionable and closable negative pressure pipeline (2) is provided with a suction belt (4), a crossbeam (5) is provided above the suction belt (4) for sliding up and down, a printing carriage (6) is provided on one side of the crossbeam (5), and nozzles (7) are provided on the left and right sides of the printing carriage (6), a support plate (8) is provided on the inner wall of the support frame (3), and a moisturizing and cleaning mechanism is provided on the upper surface of the support plate (8), and the moisturizing and cleaning mechanism matches the two nozzles (7).

2. The small sheet digital printer according to claim 1, characterized in that: The moisturizing cleaning mechanism comprises two moisturizing base plates (9), two moisturizing ink pads (10) and two sponge rollers (11); the two moisturizing base plates (9) are both arranged on the upper surface of the support plate (8); the two moisturizing ink pads (10) are both fixedly connected to the upper surface of the corresponding moisturizing base plates (9); and the two sponge rollers (11) are respectively rotatably connected to the upper surface of the moisturizing base plates (9) and are respectively located on one side of the corresponding moisturizing ink pads (10).

3. The small sheet digital printer according to claim 1, characterized in that: A pressure roller (12) is provided on the upper surface of the suction belt (4).

4. The small sheet digital printer according to claim 1, characterized in that: A first guide rail (13) is provided on one side of the crossbeam (5), and the printing carriage (6) moves via the first guide rail (13).

5. The small sheet digital printer according to claim 1, characterized in that: The side wall of the support frame (3) is provided with a second guide rail (14), and the support plate (8) moves via the second guide rail (14).

6. The small sheet digital printer according to claim 2, characterized in that: Two elastic telescopic rods (15) are fixedly connected between the two moisturizing base plates (9) and the support plate (8).

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