Spray head cleaning assembly of digital calico printing machine

Abstract

The utility model relates to the technical field of calico printing machines, and discloses a digital calico printing machine nozzle cleaning assembly which comprises a cleaning tank, the outer wall of a bearing box is fixedly connected to the side wall of the cleaning tank, the interior of the bearing box is fixedly connected with a first driving motor, and the output end of the first driving motor is fixedly connected with a belt wheel. A fixed wheel is fixedly connected to the top of the inner wall of the cleaning tank, a plurality of driven wheels are arranged on the outer wall of the fixed wheel, a gear ring is rotationally connected to the inner wall of the cleaning tank, a belt is arranged on the outer walls of the gear ring and the belt wheel, and cleaning brushes are fixedly connected to the bottoms of the driven wheels. In the utility model, the driving motor drives the belt wheel, the gear ring rotates through the belt, the driven wheels rotate along the fixed wheel, and the cleaning brush below the driven wheels rotates along with the driven wheels to brush the surface of the nozzle in multiple directions, so that the problems of dead angles and difficulty in dirt removal in traditional cleaning are solved, all-directional deep cleaning is achieved, stubborn ink stains and impurities at all positions of the nozzle are removed, and the cleaning cleanliness and completeness are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a printing machine technical field especially relates to a digital printing machine shower head cleaning subassembly. BACKGROUND

[0002] In the operation process of the digital printing machine, the cleaning of the shower head is very important, with the wide application of digital printing technology, the requirements of printing quality and efficiency are rising, as a key component, the precision and fluency of ink jet directly affect the final printing effect, and in the use process of the shower head, the ink is easy to remain and dry in the surface and internal gap, if it cannot be effectively cleaned, it will cause the problems of shower head blockage, uneven ink jet and the like, and further affect the normal operation of the whole digital printing operation, therefore, an efficient and accurate digital printing machine shower head cleaning assembly becomes an urgent demand in the industry to ensure that the digital printing machine continuously and stably outputs high-quality printing products.

[0003] Some existing digital printing machine shower head cleaning devices usually adopt a relatively simple structure, for example, part of the device is provided with only one fixed cleaning shower head, the surface of the shower head is washed by water flow in a single direction, and some devices place a simple liquid receiving disc below the shower head, and use gravity to make the cleaning liquid carry away the impurities dropped from the shower head, in the aspect of shower head brushing, manual cleaning cloth is usually used for brushing, or a simple static brush device is arranged, and only limited contact cleaning can be carried out at specific positions of the shower head, and these structures and technical principles are difficult to achieve comprehensive and in-depth cleaning when facing the complex shape and fine internal structure of the shower head.

[0004] Due to the limitations of structure and principle, the traditional shower head cleaning method has the problem of being difficult to realize the omnibearing cleaning of the shower head, since the shower head has multiple surfaces and small gaps, single-direction flushing and simple wiping cannot touch all parts, resulting in the appearance of cleaning dead angles, the dirt in these cleaning dead angles will accumulate over time, gradually forming stubborn ink stains and impurities, increasing the risk of shower head blockage, once the shower head is blocked, the precision and fluency of ink jet will be damaged, not only the printing quality will be reduced, pattern blur and color deviation problems will occur, but also the printing efficiency will be reduced, frequent maintenance and replacement of the shower head also increase the production cost and equipment downtime, which will limit the performance of the digital printing machine, therefore, a digital printing machine shower head cleaning assembly is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a digital printing machine shower head cleaning assembly, which aims at improving the problem of cleaning dead angle and difficult to completely remove dirt in the cleaning method in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A digital printing machine nozzle cleaning assembly, comprising a cleaning tank, the outer wall of the cleaning tank is provided with a liquid supply assembly, the liquid supply assembly is used to provide cleaning liquid for the cleaning assembly, and the top of the cleaning tank is provided with a power assembly, the power assembly is used to provide cleaning power for the cleaning assembly;

[0008] The power assembly comprises a bearing box, the outer wall of the bearing box is fixedly connected to the side wall of the cleaning tank, a driving motor one is fixedly connected in the bearing box, a belt pulley is fixedly connected to the output end of the driving motor one, a fixed pulley is fixedly connected to the top of the inner wall of the cleaning tank, a plurality of driven pulleys are arranged on the outer wall of the fixed pulley, the fixed pulley is engaged with the driven pulleys, a gear ring is rotatably connected to the inner wall of the cleaning tank, the driven pulleys are engaged with the gear ring, a belt is arranged on the outer wall of the gear ring and the belt pulley, the belt is slidably connected to the outer wall of the gear ring and the belt pulley, and a cleaning brush is fixedly connected to the bottom of the driven pulley.

[0009] As a further description of the above technical solution:

[0010] The liquid supply assembly comprises a fixed ring, the outer wall of the fixed ring is fixedly connected to the outer wall of the cleaning tank, and a liquid storage tank is fixedly connected to the inner wall of the fixed ring.

[0011] As a further description of the above technical solution:

[0012] The bottom of the cleaning tank is fixedly connected with a liquid outlet pipe, the bottom of the liquid outlet pipe is fixedly connected with a filter box, the side wall of the filter box is fixedly connected with a liquid inlet pipe, and one end of the liquid inlet pipe is fixedly connected to the bottom of the liquid storage tank.

[0013] As a further description of the above technical solution:

[0014] The inner wall of the filter box is fixedly connected with a filter plate and a filter core, and the filter core is located at the bottom of the filter plate.

[0015] As a further description of the above technical solution:

[0016] A sliding rail is formed in the top of the filter box, a protection box is fixedly connected to the side wall of the filter box, transmission columns are rotatably connected to the inner wall of the protection box on the left and right sides, a driving motor two is fixedly connected to the inner wall of the protection box, and the output end of the driving motor two is fixedly connected to the inside of the transmission column.

[0017] As a further description of the above technical solution:

[0018] A conveying belt is slidably connected to the outer wall of the transmission column, a connecting rod two is fixedly connected to the side wall of the conveying belt, and a sliding block is fixedly connected to one end of the connecting rod two.

[0019] As a further description of the above technical solution:

[0020] The slider bottom is fixedly connected with a connecting rod one, the connecting rod one is slidingly connected with the inner wall of the slide rail, and the connecting rod one bottom is fixedly connected with a plate brush;

[0021] As a further description of the above technical solution:

[0022] The filter box side wall is slidingly connected with a collection box, the collection box side wall is fixedly connected with a handle, the filter box inner wall is provided with a plurality of limiting springs, one end of the limiting spring is fixedly connected with the filter box inner wall, and the other end of the limiting spring is fixedly connected with a limiting ball.

[0023] The utility model has the following beneficial effects:

[0024] 1、 in the utility model, the driving motor drives the pulley to rotate, the belt drives the gear ring to rotate, a plurality of driven wheels rotate along the fixed wheel, and then drive the lower cleaning brush to rotate, the surface of the nozzle is brushed from multiple directions, the problem that the traditional cleaning mode has cleaning dead angle and is difficult to completely remove dirt is solved, the nozzle is cleaned in all directions without omission, stubborn ink stains and impurities in the nozzle surface and gaps are effectively removed, and the cleanliness and integrity of the nozzle cleaning are improved.

[0025] 2、 in the utility model, the driving motor drives the transmission column to rotate, the transmission belt is displaced and the connecting rod is synchronously moved, then the sliding block and the connecting rod and the plate brush below the sliding block slide on the slide rail, the surface of the filter plate is cleaned, the sundries are swept into the collection box, the collection box is pulled during cleaning, and is put back after cleaning, the fixing is completed with the help of the limiting ball and the spring, the problem that the cleaning liquid circulation is not smooth and the nozzle is easily blocked due to the accumulation of sundries in the filter box is solved, the cleaning efficiency of the filter box is improved, and the purity of the cleaning liquid is ensured. ACCURACY

[0026] Figure 1 A three-dimensional schematic view of a nozzle cleaning assembly of a digital printing machine is provided for the utility model;

[0027] Figure 2 A fixed wheel structure schematic view of a nozzle cleaning assembly of a digital printing machine is provided for the utility model;

[0028] Figure 3 A filter box structure schematic view of a nozzle cleaning assembly of a digital printing machine is provided for the utility model;

[0029] Figure 4 A collection box structure schematic view of a nozzle cleaning assembly of a digital printing machine is provided for the utility model;

[0030] Figure 5 For Figure 4 The enlarged view of A in the middle.

[0031] Legend:

[0032] 1, cleaning tank; 2, liquid storage tank; 3, fixed ring; 4, filter box; 5, bearing box; 6, drive motor one; 7, pulley; 8, belt; 9, gear ring; 10, fixed wheel; 11, driven wheel; 12, cleaning brush; 13, liquid outlet pipe; 14, protection box; 15, collection box; 16, handle; 17, slide rail; 18, sliding block; 19, connecting rod one; 20, board brush; 21, drive motor two; 22, transmission column; 23, conveyor belt; 24, connecting rod two; 25, filter plate; 26, filter core; 27, limit spring; 28, limit ball; 29, infusion tube. DETAILED DESCRIPTION

[0033] 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 part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0034] Reference Figures 1-3The utility model provides a kind of digital printing machine spray head cleaning subassembly in an embodiment provided by the utility model: a cleaning tank 1, cleaning tank 1 is the core container of spray head cleaning, it is made of corrosion -resistant stainless steel, its internal surface is smooth, it is convenient for the flow of cleaning fluid and the placement of spray head, cleaning tank 1 top is designed with hole, the diameter of this hole is determined according to the size of spray head, so that spray head can be smoothly inserted, while rubber sealing ring is arranged in the edge of hole, to prevent cleaning fluid from overflowing in cleaning process, it is internally installed with multiple cleaning liquid spray heads, cleaning fluid can be evenly sprayed on spray head surface, its spray direction is multi-angle, such as vertical downward, oblique certain angle etc., to ensure that each part of spray head can be covered by cleaning fluid, cleaning tank 1 outer wall is provided with liquid supply component, liquid supply component is used to provide cleaning fluid for cleaning subassembly, cleaning tank 1 top is provided with power component, power component is used to provide cleaning power for cleaning subassembly.The power assembly comprises a bearing box 5 fixedly connected to the side wall of the cleaning tank 1, a driving motor 6 fixedly connected inside the bearing box 5, a belt pulley 7 fixedly connected to the output end of the driving motor 6, the belt pulley 7 being disc-shaped and having tooth grooves or recesses on the surface matching the belt 8, a fixed pulley 10 fixedly connected to the top inner wall of the cleaning tank 1, the fixed pulley 10 being a guide and support part of a driven pulley 11, the fixed pulley 10 being disc-shaped and having a tooth shape on the surface engaging with the driven pulley 11, the fixed pulley 10 being provided with a plurality of driven pulleys 11, the driven pulley 11 being a part connecting the cleaning brush 12 and transmitting power of the tooth ring 9 to the cleaning brush 12, the fixed pulley 10 engaging with the driven pulley 11, the cleaning tank 1 being rotatably connected with the tooth ring 9, the tooth ring 9 being a part cooperating with the belt 8 and the driven pulley 11, the tooth ring 9 being annular and having a tooth shape inside engaging with the driven pulley 11, the driven pulley 11 engaging with the tooth ring 9, the tooth ring 9 being provided with the belt 8 outside the belt pulley 7, the belt 8 being a transmission part connecting the belt pulley 7 and the tooth ring 9 and effectively transmitting power, the belt 8 being slidably connected to the outer wall of the tooth ring 9 and the belt pulley 7, the driven pulley 11 being fixedly connected with the cleaning brush 12 at the bottom, the cleaning brush 12 being a part directly contacting the nozzle and cleaning the nozzle, the cleaning brush 12 being connected with the driven pulley 11 by welding, ensuring that the cleaning brush 12 can stably rotate with the driven pulley 11 when the driven pulley 11 rotates, and the nozzle surface can be brushed all-round, the liquid supply assembly comprising a fixed ring 3, the fixed ring 3 being annular and fixed to the outer wall of the cleaning tank 1 by welding to provide stable support for the liquid storage tank 2, the fixed ring 3 being fixedly connected to the outer wall of the cleaning tank 1, the fixed ring 3 being fixedly connected with the liquid storage tank 2 inside, the liquid storage tank 2 being a cleaning liquid storage container, a small water pump being installed at the bottom of the liquid storage tank 2 to draw filtered cleaning liquid from the filter box 4 and deliver it to the liquid storage tank 2, the cleaning tank 1 being fixedly connected with a liquid outlet pipe 13 at the bottom, the liquid delivery pipe 29 and the liquid outlet pipe 13 being rubber hoses having good corrosion resistance and flexibility, being able to adapt to different pipeline layouts and ensuring that the cleaning liquid will not leak, the liquid outlet pipe 13 being fixedly connected with the filter box 4 at the bottom, the filter box 4 being fixedly connected with the liquid delivery pipe 29 at the side wall, the liquid delivery pipe 29 being fixedly connected to the bottom of the liquid storage tank 2 at one end;

[0035] Specifically, in use of the cleaning assembly, first, the digital printing machine nozzle is inserted into the inside of the cleaning tank 1 along the hole on the top of the cleaning tank 1, at this time, the liquid storage tank 2 located on the side wall of the cleaning tank 1 starts to inject cleaning liquid into the inside of the cleaning tank 1, and the cleaning liquid nozzle on the inner wall of the cleaning tank 1 sprays cleaning liquid on the printing machine nozzle, at the same time, the driving motor 6 starts the belt wheel 7 to move in a circle around the motor output shaft, the belt 8 drives the gear ring 9 to move in a circle synchronously, the rotation of the gear ring 9 promotes the plurality of driven wheels 11 to rotate along the fixed wheel 10, the driven wheels 11 move in a circle around the fixed wheel 10 under the drive of the gear ring 9, the moving direction is related to the rotation direction of the gear ring 9, and in the rotation process, the shaft of the driven wheels 11 also rotates, providing multi-directional power for the cleaning brush 12, so as to brush the surface of the nozzle, ensuring that the dirt, residual ink and other impurities on the surface of the nozzle can be completely removed, restoring the normal working performance of the nozzle, improving the printing quality and working efficiency of the digital printing machine.

[0036] With reference to Figure 4 And Figure 5The inner wall of the filter box 4 is fixedly connected with a filter plate 25 and a filter core 26. The filter plate 25 is made of stainless steel and can withstand certain pressure and chemical corrosion of the cleaning liquid. The thickness of the filter plate 25 is generally between 3-6 mm. A plurality of small holes are uniformly distributed on the plate surface, which can effectively block larger impurities. The filter core 26 is located at the bottom of the filter plate 25. The filter core 26 can effectively remove impurities such as pigment particles, fine dust, and adsorb organic impurities, odors, etc. in the cleaning liquid, to ensure that the cleaning liquid meets the cleaning standard. A sliding rail 17 is provided at the top of the filter box 4. The side wall of the filter box 4 is fixedly connected with a protection box 14. The inner wall of the protection box 14 is rotatably connected with a transmission column 22 on the left and right sides. The transmission column 22 is a component for driving the movement of the conveyor belt 23. A drive motor two 21 is fixedly connected to the inside of the transmission column 22. The outer wall of the transmission column 22 is slidably connected with a conveyor belt 23. The conveyor belt 23 is a transmission component connecting the transmission column 22 and the brush 20. The side wall of the conveyor belt 23 is fixedly connected with a connecting rod two 24. The connecting rod two 24 is a component connecting the conveyor belt 23 and the sliding block 18. It has a long rod structure with certain strength and rigidity, and can stably transmit force. One end of the connecting rod two 24 is fixedly connected with a sliding block 18. The sliding block 18 is a component for connecting and carrying the connecting rod two 24 and the connecting rod one 19. It is designed in block shape and has a through hole connected with the connecting rod one 19 in the inside. The bottom of the sliding block 18 is fixedly connected with a connecting rod one 19. The connecting rod one 19 is slidably connected to the inner wall of the sliding rail 17. The bottom of the connecting rod one 19 is fixedly connected with a brush 20. The brush 20 is a component for directly cleaning the impurities on the filter plate 25. The side wall of the filter box 4 is slidably connected with a collection box 15. The collection box 15 is a container for collecting the cleaned impurities. It is designed in a long box shape. The side wall of the collection box 15 is fixedly connected with a handle 16. A plurality of limiting springs 27 are provided in the inner wall of the filter box 4. The limiting spring 27 is an elastic element for providing a restoring force for the limiting ball 28. One end of the limiting spring 27 is fixedly connected to the inner wall of the filter box 4. The other end of the limiting spring 27 is fixedly connected with a limiting ball 28. The limiting ball 28 is a component for realizing the locking and unlocking functions of the collection box 15.

[0037] Specifically, when the brushing is completed, the cleaning liquid containing sundries enters the inside of the filter box 4 along the liquid outlet pipe 13, first passes through the filter plate 25 to intercept the sundries in the liquid, when the cleaning liquid containing sundries flows through the filter plate 25, due to the pressure of the liquid and its own gravity, the cleaning liquid flows downward through the filter hole, while the sundries are blocked above the filter plate 25, realizing the preliminary solid-liquid separation, then the cleaning liquid enters the filter core 26 below the filter plate 25 for further filtration, after the filtration of the filter core 26, most of the impurities in the cleaning liquid are removed, and relatively pure cleaning liquid is obtained, finally the water pump at the bottom of the liquid storage tank 2 extracts the cleaning liquid, the cleaning liquid enters the inside of the liquid storage tank 2 again along the liquid conveying pipe 29, under the action of the water pump, the cleaning liquid is conveyed back to the liquid storage tank 2 from the bottom of the filter box 4 through the liquid conveying pipe 29, completing the circulation process of the cleaning liquid, so that the cleaning liquid can be continuously used for nozzle cleaning operation, after the extraction of the cleaning liquid inside the filter box 4 is completed, the driving motor two 21 drives the transmission column 22 to rotate, when the driving motor two 21 starts, the transmission column 22 moves in a circular motion around its axis, with the rotation of the transmission column 22, the transmission belt 23 moves in a circular motion along the surface thereof by the friction force, and the power is transmitted to the connecting rod two 24, the connecting rod two 24 moves in a straight line in the same direction as the moving direction of the transmission belt 23 under the driving of the transmission belt 23, the displacement of the connecting rod two 24 causes the displacement of the sliding block 18, then the connecting rod one 19 below the sliding block 18 also slides and displaces in the inner wall of the sliding rail 17, and the brush 20 at the bottom of the sliding block 18 also displaces and sweeps the sundries remaining on the surface of the filter plate 25, the moving direction of the brush 20 is the same as the displacement direction of the connecting rod one 19, in the moving process, the bristles contact the surface of the filter plate 25, the sundries remaining on the filter plate 25 are swept away by the friction force and elastic force of the bristles, so that the sundries are separated from the surface of the filter plate 25, when the brush 20 moves to one side of the filter box 4, the accumulated sundries are swept into the sundry box 15, then the staff can pull the sundry box 15 outward by the handle 16, after the inside of the sundry box 15 is cleaned, the sundry box 15 is put into the filter box 4 again, at this time, the limiting ball 28 enters the corresponding hole position of the sundry box 15 by the rebound of the limiting spring 27, so as to fix the sundry box 15, in the normal state, the limiting spring 27 is in a certain stretching state, providing outward thrust for the limiting ball 28, ensuring that the limiting ball 28 can enter the corresponding hole position of the sundry box 15 when the sundry box 15 is put into the filter box 4, realizing the locking of the sundry box 15, when the staff pulls the sundry box 15 outward, the hole position edge of the sundry box 15 extrudes the limiting ball 28, so that the limiting ball 28 rolls inward to exit the hole position, thereby the sundry box 15 can be smoothly pulled out, realizing the effect of efficiently cleaning the sundries remaining in the filter box 4, improving the cleanliness of the cleaning liquid in the circulation process, reducing the risk of nozzle blockage caused by impurities in the cleaning liquid,Ensure that the digital printing machine nozzle cleaning assembly can run stably and efficiently for a long time, and provide strong support for the normal work of the digital printing machine.

[0038] Working principle: when using the cleaning assembly, first, the digital printing machine nozzle is inserted into the inside of the cleaning tank 1 along the hole at the top of the cleaning tank 1, at this time, the liquid storage tank 2 located on the side wall of the cleaning tank 1 starts to inject cleaning liquid into the inside of the cleaning tank 1, and the cleaning liquid nozzle on the inner wall of the cleaning tank 1 sprays cleaning liquid on the printing machine nozzle, at the same time, the driving motor one 6 drives the belt pulley 7 to start rotating, and drives the gear ring 9 to start rotating through the belt 8, the rotation of the gear ring 9 drives the plurality of driven wheels 11 to rotate along the fixed wheel 10, the rotation of the driven wheel 11 drives the cleaning brush 12 below to rotate, thereby achieving the effect of cleaning the nozzle from multiple directions, when the brushing is completed, the cleaning liquid containing impurities will enter the inside of the filter box 4 along the liquid outlet pipe 13, first, the filter plate 25 intercepts the impurities in the liquid, then the cleaning liquid enters the filter element 26 below the filter plate 25 for further filtration, finally, the water pump at the bottom of the liquid storage tank 2 extracts the cleaning liquid, the cleaning liquid enters the inside of the liquid storage tank 2 again along the liquid conveying pipe 29, after the cleaning liquid in the filter box 4 is extracted, the driving motor two 21 drives the transmission column 22 to rotate, the rotation of the transmission column 22 drives the conveyor belt 23 to move, the movement of the conveyor belt 23 drives the connecting rod two 24 to move synchronously, the movement of the connecting rod two 24 drives the sliding block 18 to move, the connecting rod one 19 below the sliding block 18 also moves in the inner wall of the sliding rail 17, and the brush 20 at the bottom of the sliding block 18 also moves and sweeps the impurities remaining on the surface of the filter plate 25, when the brush 20 moves to one side of the filter box 4, the accumulated impurities will be swept into the impurity collecting box 15, then the staff can pull the impurity collecting box 15 outward through the handle 16, after cleaning the inside of the impurity collecting box 15, the impurity collecting box 15 is placed into the filter box 4 again, at this time, the limiting ball 28 enters the corresponding hole of the impurity collecting box 15 by the rebound of the limiting spring 27, thereby fixing the impurity collecting box 15, thereby achieving the effect of efficiently cleaning the impurities remaining in the filter box 4, improving the cleanliness of the cleaning liquid during the recycling process, and reducing the risk of nozzle blockage caused by impurities in the cleaning liquid.

[0039] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for some technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A digital printing machine head washing assembly comprising a washing tank (1), characterized in that: The outer wall of the cleaning tank (1) is provided with a liquid supply assembly for providing cleaning liquid for the cleaning assembly, and the top of the cleaning tank (1) is provided with a power assembly for providing cleaning power for the cleaning assembly. The power assembly comprises a bearing box (5) fixedly connected to the side wall of the cleaning tank (1), a drive motor one (6) fixedly connected inside the bearing box (5), a belt pulley (7) fixedly connected to the output end of the drive motor one (6), a fixed pulley (10) fixedly connected to the inner top wall of the cleaning tank (1), a plurality of driven pulleys (11) provided on the outer wall of the fixed pulley (10), the fixed pulley (10) engaged with the driven pulleys (11), a gear ring (9) rotatably connected to the inner wall of the cleaning tank (1), the driven pulleys (11) engaged with the gear ring (9), and a belt (8) provided on the outer wall of the gear ring (9) and the belt pulley (7), the belt (8) slidingly connected to the outer wall of the gear ring (9) and the belt pulley (7), and a cleaning brush (12) fixedly connected to the bottom of the driven pulley (11).

2. A cleaning assembly for a print head of a digital textile printer according to claim 1, characterized in that: The liquid supply assembly comprises a fixed ring (3) fixedly connected to the outer wall of the cleaning tank (1), and a liquid storage tank (2) fixedly connected to the inner wall of the fixed ring (3).

3. A cleaning assembly for a print head of a digital textile printer according to claim 1, wherein: The bottom of the cleaning tank (1) is fixedly connected with a liquid outlet pipe (13), the bottom of the liquid outlet pipe (13) is fixedly connected with a filter box (4), the side wall of the filter box (4) is fixedly connected with a liquid inlet pipe (29), and one end of the liquid inlet pipe (29) is fixedly connected to the bottom of the liquid storage tank (2).

4. A cleaning assembly for a print head of a digital textile printer according to claim 3, wherein: The inner wall of the filter box (4) is fixedly connected with a filter plate (25) and a filter core (26), and the filter core (26) is located at the bottom of the filter plate (25).

5. A cleaning assembly for a print head of a digital textile printer according to claim 4, wherein: The top of the filter box (4) is provided with a sliding rail (17), the side wall of the filter box (4) is fixedly connected with a protection box (14), the inner wall of the protection box (14) is rotatably connected with a transmission column (22) on the left and right sides, the inner wall of the protection box (14) is fixedly connected with a drive motor two (21), and the output end of the drive motor two (21) is fixedly connected inside the transmission column (22).

6. A cleaning assembly for a print head of a digital textile printer according to claim 5, wherein: The outer wall of the transmission column (22) is slidingly connected with a conveyor belt (23), the side wall of the conveyor belt (23) is fixedly connected with a connecting rod two (24), and one end of the connecting rod two (24) is fixedly connected with a sliding block (18).

7. A cleaning assembly for a print head of a digital textile printer according to claim 6, wherein: The bottom of the sliding block (18) is fixedly connected with a connecting rod one (19), the connecting rod one (19) is slidingly connected to the inner wall of the sliding rail (17), and the bottom of the connecting rod one (19) is fixedly connected with a plate brush (20).

8. A cleaning assembly for a print head of a digital textile printer according to claim 4, wherein: The side wall of the filter box (4) is slidingly connected with a collection box (15), the side wall of the collection box (15) is fixedly connected with a handle (16), the inner wall of the filter box (4) is provided with a plurality of limiting springs (27), one end of the limiting spring (27) is fixedly connected to the inner wall of the filter box (4), and the other end of the limiting spring (27) is fixedly connected with a limiting ball (28).

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