Automatic cleaning and printing equipment for household textiles

Abstract

The invention relates to the technical field of textile processing, and discloses an automatic cleaning and printing device for household textiles, the automatic cleaning and printing device comprises a printing working platform and a printing machine head, the printing working platform comprises an equipment box, a supporting flat plate is fixedly mounted on the upper surface of the equipment box, and transmission rollers are rotatably mounted at the two ends of the supporting flat plate; a servo motor is fixedly installed on the surface of the equipment box and drives the transmission rollers to rotate, and two first guide rollers, two second guide rollers and a third guide roller are rotationally installed in the equipment box. The two sides and the lower side of a conveying belt of the printing equipment are all V-shaped broken line faces, a first collecting groove and a second collecting groove are formed in the lower side of the conveying belt to collect cleaning liquid for cyclic utilization, a first liquid spraying pipe is used for spraying a dissolving agent to one side of the conveying belt, and then a second liquid spraying pipe is used for spraying diluent to the other side of the conveying belt; and therefore, the effects of dissolving, diluting and cleaning dirt on the surface of the conveying belt are achieved, and the cleaning cleanliness and efficiency are improved.

Description

Technical Field

[0001] The invention relates to the technical field of textile processing, in particular to an automatic cleaning and printing device for household textiles. Background Art

[0002] During the textile printing process, the textile is laid flat on the printing platform, and the desired pattern is printed on the textile through screen printing or transfer printing technology. In order to prevent the dye from contaminating the printing platform and causing printing ghosting, in the prior art, the patent document with the announcement number CN114751156B discloses a self-cleaning printing device for household textiles, including a substrate, a bracket is fixedly connected to the upper end surface of the substrate, a printing mechanism is arranged between the substrate, a fixed block corresponding to the printing mechanism is fixedly connected to the upper end surface of the substrate, a sink corresponding to the printing mechanism is vertically opened on the upper end surface of the fixed block, a transmission mechanism is arranged in the sink, and a cleaning mechanism coordinated with the transmission mechanism is arranged in the sink. When the device is used, through the cooperation of the cleaning mechanism and the linkage mechanism, the cleaning block can be driven to cooperate with the cleaning agent to periodically clean the conveyor belt in the conveyor belt to remove the residual dye liquid thereon, thereby always maintaining the cleanliness of the upper side of the conveyor belt, preventing the residual dye liquid on the conveyor belt from affecting the textiles, and ensuring the quality of textile printing.

[0003] In actual use, since cross-linking agents are added to the color paste used for printing, the fastness of the adhesive can be improved. After the conveyor belt is colored, it is difficult to wipe it clean with just a cleaning sponge. A special solvent is required to decompose the color paste in the colored area of ​​the conveyor belt, and then dilute and clean it to achieve cleaning. The existing printing equipment has the defect that it is inconvenient to dissolve the dirt and dilute the solvent for cleaning separately, resulting in poor cleaning effect, which needs further improvement. Summary of the invention

[0004] The purpose of the present invention is to solve the defect that the conveyor belt of the printing equipment in the prior art has a poor cleaning effect, and to propose an automatic cleaning printing equipment for household textiles.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: an automatic cleaning printing device for household textiles, comprising a printing work platform and a printing head, the printing work platform comprising an equipment box, a supporting plate is fixedly installed on the upper surface of the equipment box, and transmission rollers are rotatably installed at both ends of the supporting plate, a servo motor is fixedly installed on the surface of the equipment box, the servo motor drives the transmission roller to rotate, two first guide rollers, two second guide rollers and one third guide roller are rotatably installed inside the equipment box, a first collecting trough and a second collecting trough are fixedly installed inside the equipment box, and two second guide rollers are respectively arranged on the upper sides of the first collecting trough and the second collecting trough, and a conveyor belt is sleeved on the surfaces of the transmission roller, the first guide roller, the second guide roller and the third guide roller, so that both sides and the lower side of the conveyor belt are V-shaped fold line surfaces, and the upper side of the conveyor belt covers the upper surface of the supporting plate.

[0006] The interior of the equipment box is respectively fixedly installed with a first liquid spray pipe, a second liquid spray pipe and a pumping mechanism. The pumping mechanism transports the cleaning liquid in the first collecting tank and the second collecting tank to the first liquid spray pipe and the second liquid spray pipe respectively. The cleaning liquid is sprayed on the V-shaped fold line surface on both sides of the conveyor belt through the first liquid spray pipe and the second liquid spray pipe respectively. The first liquid spray pipe and the second liquid spray pipe spray a solvent and a diluent respectively to dissolve, dilute and clean the dirt on the surface of the conveyor belt.

[0007] Preferably, the pumping mechanism includes a driving assembly and a pump suction cylinder, the pump suction cylinder is fixedly installed inside the equipment box, a piston disk is slidably installed inside the pump suction cylinder, and a central axis running through the left and right ends of the pump suction cylinder is fixedly installed on the end of the piston disk. The piston disk divides the inner cavity of the pump suction cylinder into a left chamber and a right chamber, the left chamber is connected to the first collecting tank and the first spray pipe respectively through two first pipes, and the right chamber is connected to the second collecting tank and the second spray pipe respectively through two second pipes, and a one-way valve is provided in the first pipe and the second pipe.

[0008] The driving assembly includes an eccentric disk and a transmission frame. The eccentric disk is rotatably installed in the equipment box. The eccentric disk and the third guide roller are connected by synchronous belt transmission. The lower end of the transmission frame is fixedly connected to the two ends of the central shaft. The upper end of the transmission frame is provided with a vertical slide groove. A connecting pin is fixedly installed on the surface of the eccentric disk. The connecting pin is inserted into the vertical slide groove to realize the linkage operation of the conveyor belt and the pump suction cylinder, which solves the problem that the conveyor belt is frequently started and stopped, and the start and stop rhythm of the pump suction cylinder cannot be well matched with it, resulting in increased loss of solvent and diluent.

[0009] Preferably, a plurality of magnetic blocks are embedded inside the pump suction cylinder, a first induction coil and a second induction coil are respectively embedded on the surface of the piston disk, a first excitation coil and a second excitation coil are embedded inside the piston disk, a plurality of first telescopic columns and a plurality of second telescopic columns are respectively slidably installed at both ends of the piston disk, a magnetic shaft is fixedly installed at the ends of the first telescopic column and the second telescopic column, the magnetic shaft on the first telescopic column is slidably inserted into the inner hole of the first excitation coil, and the magnetic shaft on the second telescopic column is slidably inserted into the inner hole of the second excitation coil.

[0010] Among them, toothed rings are fixedly installed on the surfaces of both ends of the transmission roller and the third guide roller, and toothed grooves are opened on the inner side of the conveyor belt. The transmission roller and the third guide roller are respectively meshed with the toothed grooves through the toothed rings for transmission, thereby realizing the function of linkage control of the solvent and diluent delivery amount of the pump suction cylinder by changing the running speed of the conveyor belt.

[0011] Preferably, the interior of the equipment box is rotatably installed with a first roller brush and a second roller brush, respectively contacting the V-shaped fold line surfaces on both sides of the conveyor belt, and the rear side of the equipment box is fixedly installed with a driving motor that drives the first roller brush and the second roller brush to rotate respectively, and the first roller brush and the second roller brush rotate to clean the surface of the conveyor belt.

[0012] A purge nozzle is embedded in the inner side of the equipment box, and the outlet end of the purge nozzle faces the surface of the conveyor belt. The purge nozzle outputs a hot air flow to air-dry the conveyor belt.

[0013] Preferably, the printing head includes a head frame, which is fixedly mounted on the upper side of the equipment box, a printing head is arranged on the inner side of the head frame, a hydraulic cylinder is fixedly mounted on the upper side of the head frame, and a telescopic end of the hydraulic cylinder is fixedly connected to the printing head.

[0014] The present invention has the following beneficial effects:

[0015] 1. The printing equipment, by arranging a driving roller, a first guide roller, a second guide roller and a third guide roller, makes both sides and the lower side of the conveyor belt V-shaped fold line surfaces, and arranges a first collecting tank and a second collecting tank on the lower side of the conveyor belt to collect cleaning liquid for recycling. The design first uses the first spray pipe to spray a solvent on one side of the conveyor belt, and then uses the second spray pipe to spray a diluent on the other side of the conveyor belt, so as to achieve the effect of dissolving, diluting and cleaning the dirt on the surface of the conveyor belt, thereby improving the cleaning cleanliness and efficiency.

[0016] 2. The printing equipment drives the piston disk to move back and forth through the driving component, so that the left and right chambers inside the pump suction cylinder can pump the solvent and the diluent respectively, and deliver the solvent and the diluent to the first spray pipe and the second spray pipe respectively, so as to control the delivery ratio and rhythm of the solvent and the diluent. Since the driving component and the third guide roller are driven by a synchronous belt, the pump suction cylinder works when the conveyor belt is running, realizing the linkage operation of the conveyor belt and the pump suction cylinder, solving the problem that the conveyor belt is frequently started and stopped, and the start and stop rhythm of the pump suction cylinder cannot be well matched with it, resulting in increased loss of solvent and diluent.

[0017] 3. The printing equipment realizes the function of linkage control of the solvent and diluent delivery amount of the pump suction cylinder by changing the running speed of the servo motor. That is, when there are many stains on the conveyor belt, the speed of the servo motor is increased, and the amount of solvent and diluent delivered by the pump suction cylinder is increased accordingly, so that the cleaning is more thorough. When there are fewer stains on the conveyor belt, the speed of the servo motor is reduced, and the amount of solvent and diluent delivered by the pump suction cylinder is reduced accordingly, reducing losses.

[0018] The benefit of this function is that the thickness of the textiles to be printed is different, and the amount of color paste penetrating onto the conveyor belt is also different. Different amounts of solvents and diluents are required for cleaning during the printing process of different textiles. The conveying capacity of the pump suction cylinder needs to be adaptively adjusted to meet the needs of different product processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention (I);

[0020] Figure 2 It is a schematic diagram of the three-dimensional structure of the present invention (II);

[0021] Figure 3 It is a schematic diagram of the internal structure of the equipment box of the present invention;

[0022] Figure 4 It is a schematic diagram of the front cross-section structure of the equipment box of the present invention;

[0023] Figure 5 It is a schematic diagram of the internal structure of the pump suction cylinder of the present invention;

[0024] Figure 6 It is a schematic diagram of the front cross-section structure of the piston disc of the present invention;

[0025] Figure 7 This is a schematic diagram of the front cross-section structure of the pump suction cylinder of the present invention (I);

[0026] Figure 8 This is a schematic diagram of the front cross-section structure of the pump suction cylinder of the present invention (II);

[0027] Fig. 9It is a top plan view of the pump suction cylinder and the conveyor belt of the present invention (I);

[0028] Fig.10 This is a schematic top plan view of the pump suction cylinder and the conveyor belt of the present invention (II).

[0029] In the figure: 1 equipment box, 2 supporting plate, 3 transmission roller, 4 servo motor, 5 first guide roller, 6 second guide roller, 7 third guide roller, 8 first collecting tank, 9 second collecting tank, 10 conveyor belt, 11 first spray pipe, 12 second spray pipe, 13 pump suction cylinder, 14 piston plate, 15 central axis, 16 first pipeline, 17 second pipeline, 18 one-way valve, 19 eccentric plate, 20 transmission frame, 21 connecting pin, 22 first induction coil, 23 second induction coil, 24 first excitation coil, 25 second excitation coil, 26 first telescopic column, 27 second telescopic column, 28 magnetic shaft, 29 first roller brush, 30 second roller brush, 31 driving motor, 32 purge nozzle, 33 toothed ring, 34 printing head, 35 magnetic block. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0031] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0032] Reference Figure 1-Figure 10 , an automatic cleaning printing device for household textiles, comprising a printing working platform and a printing machine head.

[0033] like Figure 3 , 4As shown, the printing work platform includes an equipment box 1, a supporting plate 2 is fixedly installed on the upper surface of the equipment box 1, and transmission rollers 3 are rotatably installed at both ends of the supporting plate 2. A servo motor 4 is fixedly installed on the surface of the equipment box 1, and the servo motor 4 drives the transmission roller 3 to rotate. Two first guide rollers 5, two second guide rollers 6 and one third guide roller 7 are rotatably installed inside the equipment box 1, and a first collecting trough 8 and a second collecting trough 9 are fixedly installed inside the equipment box 1. The two second guide rollers 6 are respectively arranged on the upper side of the first collecting trough 8 and the second collecting trough 9. The surfaces of the transmission roller 3, the first guide roller 5, the second guide roller 6 and the third guide roller 7 are sleeved with a conveyor belt 10, so that both sides and the lower side of the conveyor belt 10 are V-shaped fold line surfaces, and the upper side of the conveyor belt 10 covers the upper surface of the supporting plate 2.

[0034] Among them, toothed rings 33 are fixedly installed on the surfaces of both ends of the transmission roller 3 and the third guide roller 7, and toothed grooves are opened on the inner side of the conveyor belt 10. The transmission roller 3 and the third guide roller 7 are respectively meshed with the toothed grooves through the toothed rings 33 for transmission. The servo motor 4 drives the transmission roller 3 to rotate, drives the conveyor belt 10 to run at a certain speed, and the third guide roller 7 rotates synchronously therewith, that is, the rotation speed of the third guide roller 7 is positively correlated with the rotation speed of the servo motor 4.

[0035] The printing head includes a head frame, which is fixedly mounted on the upper side of the equipment box 1. A printing head 34 is arranged on the inner side of the head frame. A hydraulic cylinder is fixedly mounted on the upper side of the head frame. The telescopic end of the hydraulic cylinder is fixedly connected to the printing head 34. The printing head is a prior art and will not be described in detail here.

[0036] The interior of the equipment box 1 is fixedly installed with a first liquid spray pipe 11, a second liquid spray pipe 12 and a pumping mechanism. The pumping mechanism transports the cleaning liquid in the first collecting tank 8 and the second collecting tank 9 to the first liquid spray pipe 11 and the second liquid spray pipe 12 respectively, and the cleaning liquid is sprayed on the V-shaped fold line surface on both sides of the conveyor belt 10 through the first liquid spray pipe 11 and the second liquid spray pipe 12.

[0037] The pumping mechanism includes a driving assembly and a pump suction cylinder 13, the pump suction cylinder 13 is fixedly installed inside the equipment box 1, a piston disc 14 is slidably installed inside the pump suction cylinder 13, and a central axis 15 that runs through the left and right ends of the pump suction cylinder 13 is fixedly installed at the end of the piston disc 14. The piston disc 14 divides the inner cavity of the pump suction cylinder 13 into a left chamber and a right chamber. The left chamber is connected to the first collection tank 8 and the first spray pipe 11 through two first pipes 16, and the right chamber is connected to the second collection tank 9 and the second spray pipe 12 through two second pipes 17 (refer to Figure 7 , 8, 9, 10), a one-way valve 18 is provided in each of the first pipeline 16 and the second pipeline 17, and the function of the one-way valve 18 is to control the one-way flow of the medium in the first pipeline 16 and the second pipeline 17, such as Fig. 9 , 10 Indicated by the dashed arrow.

[0038] The driving assembly includes an eccentric disk 19 and a transmission frame 20. The eccentric disk 19 is rotatably installed in the equipment box 1. The eccentric disk 19 and the third guide roller 7 are connected by synchronous belt transmission. The lower end of the transmission frame 20 is fixedly connected to the two ends of the central shaft 15. A vertical slide groove is opened at the upper end of the transmission frame 20. A connecting pin 21 is fixedly installed on the surface of the eccentric disk 19. The connecting pin 21 is inserted into the vertical slide groove. The eccentric disk 19 rotates, and the connecting pin 21 slides up and down in the vertical slide groove, driving the transmission frame 20 to translate left and right. During the rotation process of the third guide roller 7, the piston disk 14 is reciprocated left and right in the pump suction cylinder 13 through the transmission of the driving assembly. The volumes of the left chamber and the right chamber in the piston disk 14 change alternately, forming a pressure change, pumping the solvent stored in the first collecting tank 8 to the first spray pipe 11, and pumping the diluent stored in the second collecting tank 9 to the second spray pipe 12.

[0039] A purge nozzle 32 is embedded inside the equipment box 1 , and an outlet end of the purge nozzle 32 faces the surface of the conveyor belt 10 .

[0040] A first roller brush 29 and a second roller brush 30 are rotatably installed inside the equipment box 1, and the first roller brush 29 and the second roller brush 30 are respectively in contact with the V-shaped fold line surfaces on both sides of the conveyor belt 10. A driving motor 31 is fixedly installed on the rear side of the equipment box 1 to drive the first roller brush 29 and the second roller brush 30 to rotate.

[0041] Cleaning process of conveyor belt 10:

[0042] According to the printing rhythm of the up and down movement of the printing head 34, the start and stop rhythm of the servo motor 4 is adjusted, and the servo motor 4 moves to drive the conveyor belt 10 to operate intermittently. Figure 4 When the dirt on the surface of the conveyor belt 10 moves to the left side of the equipment box 1, the first spray pipe 11 sprays a solvent on the dirt, and the dirt is dissolved, softened, and falls off, and then flows along the inclined surface of the conveyor belt 10 with the solvent and falls into the first collecting tank 8. The conveyor belt 10 continues to move, so that the area on the surface of the conveyor belt 10 stained with the solvent moves to the right side of the equipment box 1. The second spray pipe 12 sprays a diluent on the area to rinse the surface of the conveyor belt 10. The rinsed mixed liquid falls along the inclined surface of the conveyor belt 10 into the second collecting tank 9. Finally, the purge nozzle 32 outputs hot air to the surface of the conveyor belt for drying.

[0043] The piston disc 14 is driven to move back and forth by the driving assembly, so that the left and right chambers inside the pump cylinder 13 can pump the solvent and the diluent respectively, and deliver the solvent and the diluent to the first spray pipe 11 and the second spray pipe 12 respectively, so as to control the delivery ratio and rhythm of the solvent and the diluent. A larger amount of solvent is used, and a larger amount of diluent is required. Otherwise, the conveyor belt 10 is not cleaned cleanly enough, and the residual solvent adheres to the product, affecting the printing quality.

[0044] Since the driving assembly and the third guide roller 7 are driven by a synchronous belt, the pump suction cylinder 13 works when the conveyor belt 10 is running, thereby realizing the linkage operation of the conveyor belt 10 and the pump suction cylinder 13, and solving the problem that the conveyor belt 10 is frequently started and stopped, and the start and stop rhythm of the pump suction cylinder 13 cannot be well matched therewith, resulting in increased loss of solvent and diluent. It should be noted that the conveyor belt 10 is started and stopped intermittently, not continuously, and the printing head 34 needs a certain amount of time to heat the printing pattern. If the first spray pipe 11 and the second spray pipe 12 continuously spray the solvent and diluent, the volatilization loss will be serious.

[0045] The printing equipment, by arranging a driving roller 3, a first guide roller 5, a second guide roller 6 and a third guide roller 7, makes both sides and the lower side of the conveyor belt 10 V-shaped fold line surfaces, and arranges a first collecting tank 8 and a second collecting tank 9 on the lower side of the conveyor belt 10 to collect cleaning liquid for recycling. The design first uses the first spray pipe 11 to spray a solvent on one side of the conveyor belt 10, and then uses the second spray pipe 12 to spray a diluent on the other side of the conveyor belt 10, so as to achieve the effect of dissolving, diluting and cleaning the dirt on the surface of the conveyor belt, thereby improving the cleaning cleanliness and efficiency.

[0046] In this embodiment, reference Figure 5-8 A plurality of magnetic blocks 35 are embedded in the interior of the pump suction cylinder 13, a first induction coil 22 and a second induction coil 23 are embedded in the surface of the piston disk 14, a first excitation coil 24 and a second excitation coil 25 are embedded in the interior of the piston disk 14, a plurality of first telescopic columns 26 and a plurality of second telescopic columns 27 are slidably mounted on both ends of the piston disk 14, a magnetic shaft 28 is fixedly mounted on the ends of the first telescopic column 26 and the second telescopic column 27, the magnetic shaft 28 on the first telescopic column 26 is slidably inserted into the inner hole of the first excitation coil 24, the magnetic shaft 28 on the second telescopic column 27 is slidably inserted into the inner hole of the second excitation coil 25, and the piston disk 14 is made of aluminum material, which has a good magnetic field shielding effect.

[0047] The piston disc 14 is a bilaterally symmetrical structure, and the working principles of both ends are the same. The left end of the piston disc 14 is taken as an example for further description.

[0048] When the pump suction cylinder 13 is running, Figure 7As shown, the piston plate 14 reciprocates in the area AA. When the piston plate 14 moves to the left, the first induction coil 22 cuts the magnetic field lines of the magnetic block 35 and generates a magnetic induced electromotive force. The electromotive force is amplified by the amplifier circuit and applied to both ends of the first excitation coil 24. The first excitation coil 24 generates a magnetic field that repels the magnetic axis 28 on the first telescopic column 26, pushing the first telescopic column 26 to extend to the left. Figure 8 As shown in the middle AB area, due to the extension of the first telescopic column 26, the output of the pump suction cylinder 13 is increased. When the piston disk 14 moves to the right, the first induction coil 22 moves in the opposite direction to cut the magnetic field lines of the magnetic block 35, generating an opposite magnetic induced electromotive force, causing the first excitation coil 24 to generate a magnetic field that is attracted to the magnetic axis 28 on the first telescopic column 26, that is, the first telescopic column 26 is retracted into the piston disk 14.

[0049] The moving speed of the piston disk 14 is positively correlated with the magnetic induced electromotive force intensity generated by the magnetic field lines of the first induction coil 22 cutting the magnetic block 35. The moving speed of the piston disk 14 is positively correlated with the rotation speed of the third guide roller 7, that is, when the rotation speed of the third guide roller 7 changes, the telescopic length of the first telescopic column 26 also changes accordingly, so that the output of the pump suction cylinder 13 can be controlled by changing the operating speed of the conveyor belt 10. It should be emphasized that during the actual use of the printing equipment, the moving distance of the conveyor belt 10 is fixed after each start and stop (the single moving distance of the conveyor belt 10 is determined by the area of ​​the printing head 34), and it is inconvenient to control the output of the pump suction cylinder 13 by increasing the operating time of the conveyor belt 10.

[0050] The printing device realizes the function of controlling the delivery amount of the solvent and diluent of the pump suction cylinder 13 by changing the running speed of the servo motor 4, that is, when there are many stains on the conveyor belt 10 (such as Fig.10 The shaded part in the middle is a lighter stain), the speed of the servo motor 4 is increased, and the amount of solvent and diluent delivered by the pump suction cylinder 13 is increased accordingly, so that the cleaning is more thorough. When there are relatively few stains on the conveyor belt 10 (such as Fig. 9 The shaded part in the middle is a heavier stain), the rotation speed of the servo motor 4 is reduced, and the amount of solvent and diluent delivered by the pump suction cylinder 13 is reduced accordingly, thereby reducing the loss;

[0051] The advantage of this function is that the thickness of the textiles to be printed is different, and the amount of color paste that penetrates into the conveyor belt is also different. Different amounts of solvents and diluents are required for cleaning during the printing process of different textiles. The conveying capacity of the pump suction cylinder 13 needs to be adaptively adjusted to meet the needs of different product processing.

[0052] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An automatic cleaning printing device for household textiles, comprising a printing work platform and a printing head, characterized in that: The printing work platform comprises an equipment box (1), a supporting plate (2) is fixedly installed on the upper surface of the equipment box (1), transmission rollers (3) are rotatably installed at both ends of the supporting plate (2), a servo motor (4) is fixedly installed on the surface of the equipment box (1), the servo motor (4) drives the transmission roller (3) to rotate, two first guide rollers (5), two second guide rollers (6) and a third guide roller (7) are rotatably installed inside the equipment box (1), a first collecting trough (8) and a second collecting trough (9) are fixedly installed inside the equipment box (1), the two second guide rollers (6) are respectively arranged on the upper side of the first collecting trough (8) and the second collecting trough (9), and a conveyor belt (10) is sleeved on the surface of the transmission roller (3), the first guide roller (5), the second guide roller (6) and the third guide roller (7), so that both sides and the lower side of the conveyor belt (10) are V-shaped fold line surfaces, and the upper side of the conveyor belt (10) covers the upper surface of the supporting plate (2); A first liquid spray pipe (11), a second liquid spray pipe (12) and a pumping mechanism are fixedly installed inside the equipment box (1), and the pumping mechanism transports the cleaning liquid in the first collecting tank (8) and the second collecting tank (9) to the first liquid spray pipe (11) and the second liquid spray pipe (12), respectively, and the cleaning liquid is sprayed on the V-shaped fold line surface on both sides of the conveyor belt (10) through the first liquid spray pipe (11) and the second liquid spray pipe (12).

2. The automatic cleaning and printing device for household textiles according to claim 1, characterized in that: The pumping mechanism comprises a driving assembly and a pump suction cylinder (13). The pump suction cylinder (13) is fixedly installed inside the equipment box (1). A piston disc (14) is slidably installed inside the pump suction cylinder (13). A central axis (15) penetrating the left and right ends of the pump suction cylinder (13) is fixedly installed at the end of the piston disc (14). The piston disc (14) divides the inner cavity of the pump suction cylinder (13) into a left chamber and a right chamber. The left chamber is respectively connected to the first collecting tank (8) and the first liquid spraying pipe (11) through two first pipes (16). The right chamber is respectively connected to the second collecting tank (9) and the second liquid spraying pipe (12) through two second pipes (17). Both the first pipe (16) and the second pipe (17) are provided with a one-way valve (18).

3. The automatic cleaning and printing device for household textiles according to claim 2, characterized in that: The driving assembly comprises an eccentric disk (19) and a transmission frame (20). The eccentric disk (19) is rotatably mounted in the equipment box (1). The eccentric disk (19) and the third guide roller (7) are connected by synchronous belt transmission. The lower end of the transmission frame (20) is fixedly connected to the two ends of the central shaft (15). The upper end of the transmission frame (20) is provided with a vertical slide groove. A connecting pin (21) is fixedly mounted on the surface of the eccentric disk (19). The connecting pin (21) is inserted into the vertical slide groove.

4. The automatic cleaning and printing device for household textiles according to claim 3, characterized in that: A plurality of magnetic blocks (35) are embedded inside the pump suction cylinder (13), a first induction coil (22) and a second induction coil (23) are embedded on the surface of the piston disc (14), a first excitation coil (24) and a second excitation coil (25) are embedded inside the piston disc (14), a plurality of first telescopic columns (26) and a plurality of second telescopic columns (27) are slidably mounted at both ends of the piston disc (14), a magnetic shaft (28) is fixedly mounted at the ends of the first telescopic column (26) and the second telescopic column (27), the magnetic shaft (28) on the first telescopic column (26) is slidably inserted into the inner hole of the first excitation coil (24), and the magnetic shaft (28) on the second telescopic column (27) is slidably inserted into the inner hole of the second excitation coil (25).

5. The automatic cleaning and printing device for household textiles according to claim 4, characterized in that: A first roller brush (29) and a second roller brush (30) are rotatably mounted inside the equipment box (1); the first roller brush (29) and the second roller brush (30) are in contact with V-shaped folded line surfaces on both sides of the conveyor belt (10) respectively; and a driving motor (31) is fixedly mounted on the rear side of the equipment box (1) for driving the first roller brush (29) and the second roller brush (30) to rotate respectively.

6. The automatic cleaning and printing device for household textiles according to claim 5, characterized in that: A purge nozzle (32) is embedded inside the equipment box (1), and the outlet end of the purge nozzle (32) faces the surface of the conveyor belt (10).

7. The automatic cleaning and printing device for household textiles according to claim 6, characterized in that: Toothed rings (33) are fixedly mounted on both end surfaces of the transmission roller (3) and the third guide roller (7), and toothed grooves are provided on the inner side surface of the conveyor belt (10). The transmission roller (3) and the third guide roller (7) are respectively meshed and transmitted with the toothed grooves through the toothed rings (33).

8. An automatic cleaning and printing device for household textiles according to any one of claims 1 to 7, characterized in that: The printing machine head comprises a machine head frame, which is fixedly mounted on the upper side of the equipment box (1), a printing head (34) is arranged on the inner side of the machine head frame, and a hydraulic cylinder is fixedly mounted on the upper side of the machine head frame, and the telescopic end of the hydraulic cylinder is fixedly connected to the printing head (34).

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