Cleaning unit of single PASS digital printing machine

Abstract

The utility model relates to the field of printing machines, aims to solve the problem of how to reduce incomplete cleaning and moisturizing or cleaning and moisturizing dead angles of a printing head, and provides a cleaning unit of a single PASS digital printing machine. The cleaning unit of the single PASS digital printing machine comprises a moisturizing part and a cleaning part. The surface of one side of the moisturizing part is sunken to form a moisturizing cavity. The cleaning part comprises a cleaning scraping piece and a cleaning suction nozzle, the cleaning scraping piece and the moisturizing cavity are arranged in a spaced mode in the horizontal direction, and the cleaning suction nozzle is arranged between the cleaning scraping piece and the moisturizing cavity. According to the cleaning unit of the single PASS digital printing machine, ink is firstly sucked to the printing head through the cleaning suction nozzle, and then the printing head is scraped by the cleaning scraper to scrape off residual ink, so that the cleaning of the printing head by the cleaning piece is facilitated; the surface, close to the upper side, of the moisturizing part is sunken to form a moisturizing cavity, the moisturizing cavity is filled with moisturizing liquid, the cleaned printing head enters the moisturizing cavity through an opening of the moisturizing cavity, the printing head is immersed in the moisturizing liquid, and therefore the effect of reducing incomplete cleaning and moisturizing or cleaning and moisturizing dead corners of the printing head is achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of printing machines, in particular, to a cleaning unit of a single PASS digital printing machine. BACKGROUND

[0002] Printing is a process of making color paste, applying it to the textile to print out the pattern of the pattern. The processing means used to complete the printing of the textile is called printing process. With the rapid development of science and technology and the continuous improvement of people's living quality, printing textiles have various patterns, printing technology is constantly updated, and the requirements for printing equipment are also higher. The performance of printing equipment directly affects the quality level of textiles. Large-scale digital printing equipment generally adopts single PASS mode, which can realize efficient and rapid multi-color printing.

[0003] In the prior art, the print head of the single PASS digital jet printing unit is cleaned and moisturized by moisturizing ink capsules. The width of the print head is large, and there are cleaning and moisturizing dead angles. How to solve the above technical problems is considered by the technical personnel in the field. CONTENT OF THE INVENTION

[0004] The present application provides a cleaning unit of a single PASS digital printing machine to solve the problem of incomplete cleaning and moisturizing of the print head.

[0005] The embodiment of the present application provides a cleaning unit of a single PASS digital printing machine, which comprises a moisturizing part and a cleaning part. One side surface of the moisturizing part is recessed to form a moisturizing cavity. The cleaning part comprises a cleaning wiper and a cleaning suction nozzle. The cleaning wiper is arranged in the horizontal direction and spaced apart from the moisturizing cavity. The cleaning suction nozzle is arranged between the cleaning wiper and the moisturizing cavity. The cleaning suction nozzle is used to suck ink from the print head. The cleaning wiper is used to scrape ink from the print head. The print head can be moved to a position corresponding to the opening of the moisturizing cavity for moisturizing the cleaned print head.

[0006] Compared with the prior art, the cleaning unit of the single PASS digital printing machine first sucks ink from the print head by the cleaning suction nozzle to suck the ink droplets, and then scrapes the remaining ink from the print head by the cleaning wiper to scrape the remaining ink. This is conducive to cleaning the print head by the cleaning part. The surface near the upper side of the moisturizing part is recessed to form a moisturizing cavity, and the moisturizing cavity is filled with moisturizing liquid. The cleaned print head enters the moisturizing cavity through the opening of the moisturizing cavity and is immersed in the moisturizing liquid, so as to reduce the incomplete cleaning and moisturizing of the print head.

[0007] In a possible implementation, the cleaning nozzles are provided in plurality, the cleaning nozzles are arranged in intervals along a first direction, and the print head is moved to positions corresponding to the cleaning nozzles along a second direction, the first direction being perpendicular to the second direction.

[0008] In a possible implementation, the cleaning wiper extends along a first direction, and the print head is moved to a position corresponding to the cleaning wiper along a second direction, the first direction being perpendicular to the second direction.

[0009] In a possible implementation, the opening of the moisturizing cavity is provided in two, and the openings correspond to the print head one by one.

[0010] In a possible implementation, the cleaning unit of the single-PASS digital printing machine further comprises a carrier, and the moisturizing member is movably connected to the carrier along a vertical direction.

[0011] In a possible implementation, the carrier comprises a connecting pipe and two carrier side plates, the carrier side plates are arranged in intervals, the connecting pipe connects the carrier side plates along a horizontal direction, and the moisturizing member is movably arranged between the carrier side plates along a vertical direction.

[0012] In a possible implementation, the cleaning unit of the single-PASS digital printing machine further comprises a lifting driving member, a sliding block and a sliding rail, the sliding rail is fixedly connected to the carrier side plate along a vertical direction, one end of the sliding block is movably arranged on the sliding rail, the other end of the sliding block is fixedly connected to the moisturizing member, and the lifting driving member is used to drive the sliding block to move the moisturizing member along a vertical direction.

[0013] In a possible implementation, the lifting driving member comprises a lifting motor and a ball screw, one end of the ball screw is drivingly connected to the lifting motor, and the other end of the ball screw is drivingly connected to the sliding block. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings in the embodiments will be briefly introduced as follows. It should be understood that the following drawings only show some of the embodiments of the present application, and therefore should not be considered as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0015] Figure 1 FIG. 1 is a structural schematic diagram of a cleaning unit of a single-PASS digital printing machine according to an embodiment of the present application;

[0016] Figure 2 FIG. 2 is a structural schematic diagram of a cleaning unit of a single-PASS digital printing machine according to another embodiment of the present application; Figure 1perspective view of a cleaning unit, a printer frame and a print head of a single PASS digital printing machine;

[0017] Figure 3 for Figure 1 perspective view of a cleaning unit of a single PASS digital printing machine;

[0018] Figure 4 for Figure 1 front view of a cleaning unit of a single PASS digital printing machine;

[0019] Figure 5 for Figure 1 perspective view of a lifting driving member and a bearing side plate of a cleaning unit of a single PASS digital printing machine.

[0020] Main component symbol explanation:

[0021] 1, a cleaning unit of a single PASS digital printing machine; 11, a moisturizing member; 111, a moisturizing cavity; 112, an opening; 12, a cleaning member; 121, a cleaning wiper; 122, a cleaning suction nozzle; 13, a bearing member; 131, a connecting pipe; 132, a bearing side plate; 14, a lifting driving member; 141, a lifting motor; 142, a ball screw; 15, a sliding block; 16, a sliding rail; 17, a first direction; 18, a second direction; 19, a vertical direction; 2, a printer frame; 3, a print head. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments.

[0023] Some embodiments of the present application are described in detail. The following embodiments and features in the embodiments can be combined with each other without conflict.

[0024] EMBODIMENT

[0025] Please refer to Figures 1 to 5 The present embodiment provides a cleaning unit 1 of a single PASS digital printing machine, which includes a moisturizing member 11 and a cleaning member 12. One side surface of the moisturizing member 11 is recessed to form a moisturizing cavity 111. The cleaning member 12 includes a cleaning wiper 121 and a cleaning suction nozzle 122. The cleaning wiper 121 is arranged along a horizontal direction and spaced apart from the moisturizing cavity 111. The cleaning suction nozzle 122 is arranged between the cleaning wiper 121 and the moisturizing cavity 111. The cleaning suction nozzle 122 is used to suck ink from the print head 3, and the cleaning wiper 121 is used to wipe ink from the print head 3. The print head 3 can be moved to a position corresponding to an opening 112 of the moisturizing cavity 111 to moisturize the cleaned print head 3.

[0026] The cleaning unit 1 of the single PASS digital printing machine first sucks ink from the print head 3 by the cleaning suction nozzle 122 to suck the ink drops, and then scrapes ink from the print head 3 by the cleaning scraping blade 121 to scrape the residual ink, so as to facilitate the cleaning of the print head 3 by the cleaning member 12; the moisturizing member 11 is close to the surface of the upper side, and a moisturizing cavity 111 is formed by recessing, the moisturizing cavity 111 is filled with moisturizing liquid, and the print head 3 after cleaning enters the moisturizing cavity 111 through the opening 112 of the moisturizing cavity 111 and is immersed in the moisturizing liquid, so as to reduce incomplete cleaning and moisturizing or cleaning and moisturizing dead angles of the print head 3.

[0027] In the embodiment, the cleaning unit 1 of the single PASS digital printing machine is arranged at the bottom of a printer frame 2, and the print head 3 is movably suspended in the horizontal direction on the printer frame 2. The print head 3 moves to above the moisturizing cavity 111 in the horizontal direction, and the print head 3 enters the moisturizing cavity 111 from the opening 112 of the moisturizing cavity 111 in the vertical direction 19 to immerse the print head 3 in the moisturizing liquid, so as to facilitate the print head 3 to be cleaned and moisturized immediately after completing the printing work, thereby reducing incomplete cleaning and moisturizing or cleaning and moisturizing dead angles of the print head 3.

[0028] In a possible implementation, the cleaning suction nozzle 122 is provided in plurality, the plurality of cleaning suction nozzles 122 are arranged at intervals along the first direction 17, the print head 3 moves to a position corresponding to the cleaning suction nozzle 122 along the second direction 18, and the first direction 17 and the second direction 18 are perpendicular to each other.

[0029] In the embodiment, the print head 3 moves to a position corresponding to the cleaning suction nozzle 122 along the second direction 18, the print head 3 is started in the flash cleaning mode, the plurality of cleaning suction nozzles 122 are arranged at intervals along the first direction 17, and the cleaning suction nozzle 122 sucks the ink drops sprayed by the print head 3 by suction, so as to clean the print head 3 in time.

[0030] In a possible implementation, the cleaning scraping blade 121 extends along the first direction 17, the print head 3 moves to a position corresponding to the cleaning scraping blade 121 along the second direction 18, and the first direction 17 and the second direction 18 are perpendicular to each other.

[0031] In the embodiment, after the cleaning suction nozzle 122 sucks the ink drops sprayed by the print head 3 by suction, the print head 3 moves to a position corresponding to the cleaning scraping blade 121, and the print head 3 moves along the second direction 18 so that the cleaning scraping blade 121 scrapes the residual ink drops on the surface of the print head 3, thereby further cleaning the print head 3.

[0032] In a possible implementation, the opening 112 of the moisturizing cavity 111 is provided with two openings 112, and the two openings 112 correspond to the print heads 3 one by one.

[0033] In the embodiment, the opening 112 of the moisturizing cavity 111 corresponds to the print heads 3 one by one, so that the plurality of print heads 3 can be moisturized in the moisturizing cavity 111 at the same time, and the print heads 3 can be reduced in the queue to enter the moisturizing cavity 111 for moisturizing, which is beneficial to the overall moisturizing of the plurality of print heads 3.

[0034] In a possible implementation, the cleaning unit 1 of the single-PASS digital printing machine further comprises a bearing member 13, and the moisturizing member 11 is movably connected to the bearing member 13 along the vertical direction 19.

[0035] In the embodiment, the print heads 3 are moved along the horizontal direction to above the opening 112 of the moisturizing cavity 111, and the moisturizing member 11 is moved upward along the vertical direction 19, so that the print heads 3 enter the moisturizing cavity 111 from the opening 112 of the moisturizing cavity 111 to be immersed in the moisturizing liquid, thereby facilitating the cleaning and moisturizing of the print heads 3 immediately after completing the printing work, which is beneficial to reducing the incomplete cleaning and moisturizing or the dead angle of cleaning and moisturizing of the print heads 3.

[0036] In a possible implementation, the bearing member 13 comprises a connecting pipe 131 and two bearing side plates 132, the two bearing side plates 132 are arranged at intervals, the connecting pipe 131 connects the bearing side plates 132 along the horizontal direction, and the moisturizing member 11 is movably arranged between the two bearing side plates 132 along the vertical direction 19.

[0037] In the embodiment, the connecting pipe 131 and the two bearing side plates 132 are fixedly connected to improve the bearing strength of the bearing member 13, so that the moisturizing cavity 111, the cleaning wiper 121 and the cleaning suction nozzle 122 are stably fixed to the moisturizing member 11, the position accuracy of the moisturizing cavity 111, the cleaning wiper 121 and the cleaning suction nozzle 122 is improved, and the incomplete cleaning and moisturizing or the dead angle of cleaning and moisturizing of the print heads 3 is reduced.

[0038] In a possible implementation, the cleaning unit 1 of the single-PASS digital printing machine further comprises a lifting driving member 14, a sliding block 15 and a sliding rail 16, the sliding rail 16 is fixedly connected to the bearing side plate 132 along the vertical direction 19, one end of the sliding block 15 is movably arranged on the sliding rail 16, the other end of the sliding block 15 is fixedly connected to the moisturizing member 11, and the lifting driving member 14 is used to drive the sliding block 15 to move the moisturizing member 11 along the vertical direction 19.

[0039] In the embodiment, two lifting driving members 14 are arranged on both sides of the moisturizing member 11, so that the moisturizing member 11 is uniformly and smoothly moved by the driving force, the position accuracy of the moisturizing cavity 111, the cleaning blade 121 and the cleaning suction nozzle 122 is improved, and the incomplete cleaning and moisturizing or the dead angle of cleaning and moisturizing of the print head 3 is reduced.

[0040] In a possible implementation, the lifting driving member 14 comprises a lifting motor 141 and a ball screw 142, one end of the ball screw 142 is in driving connection with the lifting motor 141, and the other end is in driving connection with the sliding block 15.

[0041] In the embodiment, the moisturizing member 11 is controlled by the lifting motor 141 to change the lifting height, the accuracy of the moisturizing member 11 along the numerical value direction is improved, the print head 3 is completely immersed in the moisturizing liquid, and the incomplete cleaning and moisturizing or the dead angle of cleaning and moisturizing of the print head 3 is reduced.

[0042] In summary, the cleaning unit 1 of the single-PASS digital printing machine first absorbs ink droplets from the print head 3 by the cleaning suction nozzle 122, and then scrapes off residual ink from the print head 3 by the cleaning blade 121, so that the cleaning member 12 can clean the print head 3. The surface of the moisturizing member 11 near the upper side is recessed to form a moisturizing cavity 111, the moisturizing cavity 111 is filled with moisturizing liquid, the print head 3 after cleaning enters the moisturizing cavity 111 through the opening 112 of the moisturizing cavity 111 and is immersed in the moisturizing liquid, so that the incomplete cleaning and moisturizing or the dead angle of cleaning and moisturizing of the print head 3 is reduced.

[0043] The above embodiments are only used to illustrate the technical solutions of the present application and not to limit the present application. Although the present application is described in detail with reference to the above preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced without departing from the spirit and scope of the present application.

Claims

1. A cleaning unit of a single PASS digital printing machine, characterized in that, Comprising: a moisturizing piece, one side surface of which is recessed to form a moisturizing cavity; a cleaning piece, comprising a cleaning blade and a cleaning suction nozzle, the cleaning blade being arranged along a horizontal direction and spaced apart from the moisturizing cavity, the cleaning suction nozzle being arranged between the cleaning blade and the moisturizing cavity, the cleaning suction nozzle being used for ink suction of a print head, the cleaning blade being used for ink scraping of the print head, the print head being capable of moving to a position corresponding to an opening of the moisturizing cavity to moisturize the cleaned print head.

2. The cleaning unit of the single PASS digital printing machine according to claim 1, characterized in that: the cleaning suction nozzle is provided in plurality, the plurality of cleaning suction nozzles being arranged along a first direction, the print head being capable of moving along a second direction to a position corresponding to the cleaning suction nozzle, the first direction being perpendicular to the second direction.

3. The cleaning unit of the single PASS digital printing machine according to claim 1, characterized in that: the cleaning blade extends along a first direction, the print head being capable of moving along a second direction to a position corresponding to the cleaning blade, the first direction being perpendicular to the second direction.

4. The cleaning unit of the single PASS digital printing machine according to claim 1, characterized in that: the opening of the moisturizing cavity is provided in two, the two openings corresponding to the print head one by one.

5. The cleaning unit of the single PASS digital printing machine according to claim 1, characterized in that: the cleaning unit of the single PASS digital printing machine further comprises a bearing piece, the moisturizing piece being movably connected to the bearing piece along a vertical direction.

6. The cleaning unit of the single PASS digital printing machine according to claim 5, characterized in that: the bearing piece comprises a connecting pipe and two bearing side plates, the two bearing side plates being arranged in a spaced apart manner, the connecting pipe connecting the bearing side plates along a horizontal direction, the moisturizing piece being movably arranged between the two bearing side plates along a vertical direction.

7. The cleaning unit of the single PASS digital printing machine according to claim 6, characterized in that: the cleaning unit of the single PASS digital printing machine further comprises a lifting driving piece, a sliding block and a sliding rail, the sliding rail being fixedly connected to the bearing side plate along a vertical direction, one end of the sliding block being movably arranged on the sliding rail, the other end being fixedly connected to the moisturizing piece, the lifting driving piece being used for driving the sliding block to move the moisturizing piece along a vertical direction.

8. The cleaning unit of the single PASS digital printing machine according to claim 7, characterized in that: the lifting driving piece comprises a lifting motor and a ball screw, one end of the ball screw being drivingly connected to the lifting motor, the other end being drivingly connected to the sliding block.

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