Ink-jet printer nozzle cleaning device

Abstract

The utility model relates to an ink-jet printer nozzle cleaning device comprising a cleaning tank and a waste liquid tank, an upper cover of the cleaning tank is provided with a nozzle placing port, the bottom of the cleaning tank is fixedly provided with a heat conduction plate, a semiconductor refrigeration sheet is arranged below the heat conduction plate, and a condensation plate is arranged below the semiconductor refrigeration sheet. The semiconductor refrigeration sheet comprises a hot end used for being attached to the heat conduction plate and a cold end used for being attached to the condensation plate, the condensation plate is located on the upper side of the interior of the waste liquid tank, a liquid inlet and an extraction opening are formed in the upper side of the cleaning tank, and a liquid outlet pipe leading to the interior of the waste liquid tank is arranged at the bottom of the cleaning tank. An air inlet pipe communicated with the condensation plate is arranged above the side wall of the waste liquid tank, a conveying pipe is connected between the air extraction opening and the air inlet pipe, an air extraction pump is arranged on the conveying pipe, and an ultrasonic oscillation piece is arranged on the side wall of the cleaning tank. The semiconductor refrigeration sheet realizes double functions of heating the diluent liquid in the cleaning tank and condensing the gaseous diluent in the waste liquid tank.

Description

Technical Field

[0001] The utility model relates to the technical field of inkjet printers, in particular to a nozzle cleaning device for inkjet printers. Background Art

[0002] In order to ensure the quality of inkjet printing and extend the life of the nozzle, the nozzle of the inkjet printer should be cleaned regularly. A nozzle that is not cleaned for a long time may cause ink clogging and serious wear of the nozzle. The existing patent disclosure (publication) number is CN210881332U, which is a nozzle cleaning device for inkjet printer, including a cleaning component, a gas recovery component, a liquid supply component and a waste liquid recovery component; the cleaning component includes an ultrasonic cleaning box and a box cover covering the ultrasonic cleaning box; the ultrasonic cleaning box is provided with an exhaust port, a liquid inlet and a liquid discharge port; the box cover includes an outer frame and a cover plate that is detachably connected to the outer frame; the outer frame is provided with a vent hole; the cover plate is provided with a hole for the nozzle of the inkjet printer to pass through, and the gas recovery component includes an exhaust pipe, an air pump, an air valve and a recovery tank; one end of the exhaust pipe is connected to the exhaust port, and the other end of the exhaust pipe is connected to the air pump, the air valve and the recovery tank in sequence.

[0003] In order to collect the diluent in the air, the prior art adds a recovery tank and a refrigeration component, and the waste water flows into the waste liquid pipe. The present application takes into account that the liquid collected in the waste liquid pipe or the recovery tank contains a large amount of diluent, and it is necessary to filter and refine the diluent in it before it can be recycled and reused. Therefore, the recovery tank and the waste liquid tank can be completely integrated to design a printer nozzle cleaning device with a reasonable layout and a more compact structure. Utility Model Content

[0004] The utility model provides a printer nozzle cleaning device with a reasonable layout and a more compact structure, which solves the above-mentioned problems existing in the use process of the prior art.

[0005] The technical solution of the utility model is achieved as follows: a nozzle cleaning device for a printer comprises a cleaning tank and a waste liquid tank with an opening facing upward, the waste liquid tank is fixedly mounted on the lower side of the cleaning tank, an upper cover is provided on the upper side cover of the cleaning tank, a nozzle placement port is provided on the upper cover, a heat conducting plate is fixedly mounted on the bottom of the cleaning tank, a semiconductor cooling sheet is provided below the heat conducting plate, a condensing plate is provided below the semiconductor cooling sheet, the semiconductor cooling sheet comprises a hot end for being attached to the heat conducting plate and a cold end for being attached to the condensing plate, the condensing plate is located on the upper side of the waste liquid tank, a liquid inlet and an air suction port are provided on the upper side of the cleaning tank, a liquid outlet pipe leading to the waste liquid tank is provided at the bottom of the cleaning tank, a solenoid valve is provided on the liquid outlet pipe, an air inlet pipe leading to the condensing plate is provided above the side wall of the waste liquid tank, a delivery pipe is connected between the air suction port and the air inlet pipe, an air suction pump is provided on the delivery pipe, and an ultrasonic oscillating sheet is provided on the side wall of the cleaning tank.

[0006] Preferably, a plurality of condensing sheets are provided on the lower side of the condensing plate, and the condensing sheets are arranged in the same direction as the air inlet pipe.

[0007] Preferably, the lower end of the liquid outlet pipe is lower than the condensing plate.

[0008] Preferably, an inclined panel is provided on both sides of the condensing sheet on the upper inner side of the waste liquid tank, and the inclined panel extends obliquely toward the condensing sheet to the bottom of the condensing sheet from the upper end of the waste liquid tank, and the air inlet pipe passes through the inclined panel and faces the condensing sheet.

[0009] Preferably, a fixed cover is provided on the condensation plate, and the fixed cover is fixedly connected to the bottom of the cleaning tank by screws.

[0010] Preferably, a liquid containing box is provided in the waste liquid tank, and an assembly port for the liquid containing box to pass through is opened on one side of the waste liquid tank.

[0011] Preferably, the upper cover is slidably provided with abutment seats on both sides of the nozzle placement opening.

[0012] In summary, the beneficial effects of the present invention are:

[0013] 1. When the inkjet printer nozzle is cleaned, the inkjet printer nozzle is placed in the cleaning tank through the nozzle placement port, and the diluent liquid flows into the liquid inlet to immerse the lower side of the inkjet printer nozzle in the diluent liquid, and the semiconductor cooling piece and the ultrasonic oscillator start to work. The ultrasonic oscillator causes the diluent liquid to ultrasonically clean the nozzle, and the cold end of the semiconductor cooling piece reduces the temperature of the condensation plate, while the hot end of the semiconductor cooling piece increases the temperature of the heat conduction plate, and the diluent liquid in the cleaning tank is heated at this time. In addition, the vacuum pump can be turned on to draw the gaseous diluent in the cleaning tank from the vacuum port to the air inlet pipe. The gaseous diluent entering the waste liquid tank from the air inlet pipe will first contact the condensation plate, thereby condensing and dripping into the waste liquid tank. After the nozzle is cleaned, the solenoid valve is opened to allow the diluent liquid in the cleaning tank to flow into the waste liquid tank through the liquid outlet pipe. The structural design of the utility model is reasonable and compact, and the semiconductor cooling piece realizes the dual effects of heating the diluent liquid in the cleaning tank and condensing the gaseous diluent in the waste liquid tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0015] Figure 1 It is a schematic diagram of the structure in which the nozzle is inserted in the utility model;

[0016] Figure 2 for Figure 1 A schematic cross-sectional structure diagram of ;

[0017] Figure 3 It is a schematic diagram of the structure in which the nozzle and the liquid container are exploded;

[0018] Figure 4 It is a schematic diagram of the structure of the condensation plate on the lower side of the cleaning tank in the utility model.

[0019] In the figure: 1. cleaning tank; 11. liquid inlet; 12. air extraction port; 13. liquid outlet pipe; 14. solenoid valve; 2. waste liquid tank; 21. air inlet pipe; 22. inclined panel; 23. assembly port; 24. liquid container; 25. controller; 26. power supply port; 3. upper cover; 31. nozzle placement port; 32. support seat; 4. heat conduction plate; 5. semiconductor cooling plate; 51. hot end; 52. cold end; 6. condensation plate; 61. condensation plate; 62. fixed cover; 63. line port; 7. delivery pipe; 71. air extraction pump; 8. ultrasonic oscillator; 9. nozzle; 91. limit seat. DETAILED DESCRIPTION

[0020] The following will be combined with the attached embodiment of the present utility model Figure 1-4 , clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example:

[0022] like Figures 1 to 4 As shown, the utility model discloses a nozzle cleaning device for a printer, which includes a cleaning tank 1 with an opening facing upward and a waste liquid tank 2, the waste liquid tank 2 is fixedly mounted on the lower side of the cleaning tank 1, an upper cover 3 is provided on the upper side of the cleaning tank 1, and a nozzle placement port 31 is provided on the upper cover 3, the nozzle placement port 31 is used for a nozzle 9 of the printer to be inserted into the gap, a heat conduction plate 4 is fixedly mounted on the bottom of the cleaning tank 1, a semiconductor cooling sheet 5 is provided below the heat conduction plate 4, and a condensation plate 6 is provided below the semiconductor cooling sheet 5, wherein the semiconductor cooling sheet 5 includes a hot end 51 for attaching to the heat conduction plate 4 and a cold end 52 for attaching to the condensation plate 6, the semiconductor cooling sheet 5 is a prior art, and its working principle is based on the Peltier effect, that is, when current passes through a loop composed of two different semiconductor materials, it will The hot end 51 generates heat and absorbs heat at the cold end 52, wherein the condensation plate 6 is located on the upper side of the waste liquid tank 2, a liquid inlet 11 and an air suction port 12 are provided on the upper side of the cleaning tank 1, and a liquid outlet pipe 13 leading to the waste liquid tank 2 is provided at the bottom of the cleaning tank 1, and a solenoid valve 14 is provided on the liquid outlet pipe 13. In addition, an air inlet pipe 21 leading to the condensation plate 6 is provided above the side wall of the waste liquid tank 2, and a delivery pipe 7 is connected between the air suction port 12 and the air inlet pipe 21, and an air pump 71 is provided on the delivery pipe 7. It should also be noted that in order to balance the internal air pressure of the waste liquid tank 2, the cleaning tank 1 can be provided with an exhaust port on the side away from the air inlet pipe 21, and a silica gel filter for adsorbing the diluent can be provided on the exhaust port. In addition, an ultrasonic oscillator 8 is provided on the side wall of the cleaning tank 1.

[0023] Furthermore, a plurality of condensing sheets 61 are provided on the lower side of the condensing plate 6. The condensing sheets 61 are arranged in the same direction as the air inlet pipe 21. The arrangement of the condensing sheets 61 can improve the condensation effect on the diluent.

[0024] When the utility model cleans the inkjet printer nozzle 9, the inkjet printer nozzle 9 is placed in the cleaning tank 1 through the nozzle placement port 31, and the diluent liquid flows into the liquid inlet 11 to immerse the lower side of the inkjet printer nozzle 9 in the diluent liquid. The inkjet printer nozzle 9 needs to be immersed for a certain period of time, and the semiconductor cooling piece 5 and the ultrasonic oscillation piece 8 start to work. The ultrasonic oscillation piece 8 makes the diluent liquid ultrasonically clean the nozzle 9. The cold end 52 of the semiconductor cooling piece 5 reduces the temperature of the condensation plate 6, and the hot end 51 of the semiconductor cooling piece 5 increases the temperature of the heat conduction plate 4. At this time, the diluent liquid in the cleaning tank 1 is just Heating, in addition, the vacuum pump 71 can be turned on to draw the gaseous diluent in the cleaning tank 1 from the vacuum port 12 into the air inlet pipe 21, and the gaseous diluent entering the waste liquid tank 2 from the air inlet pipe 21 will first contact the condensation plate 6 and the condensation sheet 61, thereby condensing and dripping into the waste liquid tank 2. After the nozzle 9 completes the cleaning, the solenoid valve 14 is opened to allow the diluent liquid in the cleaning tank 1 to flow into the waste liquid tank 2 through the liquid outlet pipe 13. The structural design of the utility model is reasonable and compact, and the semiconductor cooling plate 5 realizes the dual functions of heating the diluent liquid in the cleaning tank 1 and condensing the gaseous diluent in the waste liquid tank 2.

[0025] Furthermore, the lower end of the liquid outlet pipe 13 is lower than the condensing sheet, so that the diluent waste liquid flowing into the waste liquid tank 2 through the liquid outlet pipe 13 can be prevented from contacting the condensing sheet 61 .

[0026] In order to limit the range of movement of the gaseous diluent and make it easier for the gaseous diluent to contact the condensing sheet 61, an inclined panel 22 is provided on both sides of the condensing sheet 61 on the upper side of the interior of the waste liquid tank 2. The inclined panel 22 extends obliquely toward the condensing sheet 61 from the upper end of the waste liquid tank 2 to the bottom of the condensing sheet 61, and the air inlet pipe 21 passes through the inclined panel 22 and faces the condensing sheet 61, so that the gaseous diluent entering through the air inlet pipe 21 can more conveniently contact the condensing sheet 61.

[0027] In the utility model, a fixed cover 62 is provided on the condensing plate 6, and the fixed cover 62 is fixedly connected to the bottom of the cleaning tank 1 by a screw, so that the condensing plate 6 also fixes the semiconductor cooling plate 5 under the heat conducting plate 4, and a line opening 63 is also provided on the fixed cover 62, and the semiconductor cooling plate 5 can be connected to the line through the line opening 63, and a controller 25 and a power supply inlet 26 for electrical connection with the semiconductor cooling plate 5 are also provided on the side wall of the waste liquid tank 2.

[0028] Furthermore, a liquid box 24 is provided in the waste liquid tank 2, and an assembly port 23 for the liquid box 24 to pass through is opened on one side of the waste liquid tank 2, so that the diluent waste liquid flowing into the waste liquid tank 2 will be stored in the liquid box 24, which is convenient for taking out for treatment.

[0029] In the present invention, the upper cover 3 is slidably provided with abutting seats 32 on both sides of the nozzle placement opening 31, and the nozzle 9 is provided with a limiting seat 91 for abutting against the abutting seats 32, so that the nozzle 9 is conveniently placed.

[0030] It should also be pointed out that the terms used in the present invention, such as "front", "rear", "vertical", "horizontal", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are only used to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present invention.

[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A printer nozzle cleaning device, characterized in that: The cleaning tank is provided with a top cover, and a nozzle placement port is provided on the top cover; a heat conduction plate is fixedly installed on the bottom of the cleaning tank; a semiconductor cooling sheet is provided under the heat conduction plate; a condensation plate is provided under the semiconductor cooling sheet; the semiconductor cooling sheet comprises a hot end for attaching to the heat conduction plate and a cold end for attaching to the condensation plate; the condensation plate is located at the upper side of the waste liquid tank; a liquid inlet and an air suction port are provided on the upper side of the cleaning tank; a liquid outlet pipe leading to the waste liquid tank is provided at the bottom of the cleaning tank; a solenoid valve is provided on the liquid outlet pipe; an air inlet pipe leading to the condensation plate is provided above the side wall of the waste liquid tank; a delivery pipe is connected between the air suction port and the air inlet pipe; a vacuum pump is provided on the delivery pipe; an ultrasonic oscillation plate is provided on the side wall of the cleaning tank.

2. The inkjet printer nozzle cleaning device according to claim 1, characterized in that: A plurality of condensing sheets are arranged on the lower side of the condensing plate, and the condensing sheets are arranged in the same direction as the air inlet pipe.

3. The inkjet printer nozzle cleaning device according to claim 2, characterized in that: The lower end of the liquid outlet pipe is lower than the condensing plate.

4. The inkjet printer nozzle cleaning device according to claim 2, characterized in that: An inclined panel is provided on both sides of the condensing sheet on the upper inner side of the waste liquid tank. The inclined panel extends obliquely to the upper end of the waste liquid tank toward the condensing sheet and to below the condensing sheet. The air inlet pipe passes through the inclined panel and faces the condensing sheet.

5. The inkjet printer nozzle cleaning device according to claim 1, characterized in that: The condensation plate is provided with a fixed cover, and the fixed cover is fixedly connected to the bottom of the cleaning tank through a screw rod.

6. The inkjet printer nozzle cleaning device according to claim 1, characterized in that: A liquid containing box is arranged in the waste liquid tank, and an assembly opening for the liquid containing box to pass through is opened on one side of the waste liquid tank.

7. The inkjet printer nozzle cleaning device according to claim 1, characterized in that: The upper cover is slidably provided with abutment seats on both sides of the nozzle placement opening.

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