Printing machine with printing curing function

Abstract

The printing machine with the printing curing function comprises a feeding frame, the feeding frame is installed on one side of the upper end of a rack, a conveying opening is formed in the middle of the rack, meanwhile, a deviation rectifying and positioning mechanism is arranged in the conveying opening and located below the feeding frame, and a conveying device is arranged on the other side in the conveying opening; a printing frame is arranged at the conveying opening and located above the conveying device, a top cover is arranged at the top of the printing frame, a cleaning assembly is arranged on the side, close to the feeding frame, of the lower end of the top cover, and a printing mechanism is arranged on the other side of the top cover and located over the positioning plate. According to the printing machine with the printing curing function, an air outlet head, an air conveying pipe, an electric heater and an air blower are arranged to be used in cooperation, hot air is conveniently conveyed into the printing frame, printing ink obtained after printing is air-dried under the action of heat and airflow, meanwhile, under the action of an extending frame, external dust is isolated during conveying and discharging, and the printing quality is improved. Dust is not easy to adhere to the ink, so that the printing quality and the use effect are improved.

Description

Technical Field

[0001] The present invention relates to the technical field related to printing machines, in particular to a printing machine with a printing and curing function. Background Art

[0002] Printing is the technology of transferring the ink from the original manuscripts such as text, pictures, photos, anti-counterfeiting to the surface of paper, fabrics, plastics, leather and other materials through plate making, inking, pressurization and other processes, and transferring the original manuscript content to the substrate through printing machinery and special ink. In order to protect the goods, facilitate transportation, storage and display, and also to convey product information, attract consumers' attention and meet consumers' aesthetic needs, different patterns need to be printed on the packaging wrapped around the outside of the goods, so a printing press is needed.

[0003] After searching, it is found that the typical printing machine in the prior art is disclosed in the publication number CN222291308U, which is an adjustable packaging printing machine, including a bottom plate, a frame fixedly connected to the top of the bottom plate, and the left and right sides of the inner wall of the frame are both rotatably connected to electric rollers, a conveyor belt is arranged on the outside of the electric roller, and the two electric rollers are connected through the conveyor belt transmission, a fixed frame fixedly connected to the top of the frame, and spring telescopic rods are fixedly connected to the top of the inner wall of the fixed frame, and a lifting frame is fixedly connected to the bottom of the spring telescopic rod, and a plurality of squeezing rollers are rotatably connected to the left and right sides of the inner wall of the lifting frame. Through the cooperation between the electric roller, the conveyor belt and the lifting frame, the tightness of the conveyor belt can be adjusted and the printed matter can be fixed, and through the cooperation between the water pump, the water tank and the spray pipe, the conveyor belt can be kept clean to prevent the subsequent printed matter from being contaminated by impurities such as ink.

[0004] In summary, the existing printing presses do not quickly dry the ink when in use, which often affects the printing quality of the packaging because the ink is not completely dry after printing. In addition, when the packaging is subsequently transported and unloaded, it is easy to cause ink ghosting, affecting the use effect of the printing press. In view of the above problems, the existing equipment needs to be improved. Summary of the invention

[0005] The object of the present invention is to provide a printing press with a printing curing function, so as to solve the problem that the existing printing press mentioned in the above background technology does not quickly dry the ink during use, which often affects the printing quality of the package because the ink is not completely dry after printing, and it is easy to cause ink ghosting when the package is subsequently transported and unloaded, thereby affecting the use effect of the printing press.

[0006] To achieve the above object, the present invention provides the following technical solution: a printing machine with printing and curing function, comprising a feeding frame,

[0007] The feed frame is installed on one side of the upper end of the frame, and a conveying port is opened in the middle of the frame, and a correction and positioning mechanism is arranged inside the conveying port below the feed frame, a conveying device is arranged on the other side of the conveying port, and a positioning plate is arranged in the middle of the conveying belt arranged in the conveying device, and a printing frame is arranged above the conveying device at the conveying port, a top cover is arranged on the top of the printing frame, and a cleaning component is arranged on the lower end of the top cover close to the feed frame, and the cleaning component includes a dust suction head, which is connected to the dust suction pump through the top cover through a conveying pipe in the middle of the upper end of the dust suction head, and the other end of the dust suction pump is detachably connected to a dust collecting bag, and the dust collecting bag is connected to the back of the printing frame through a display rack, a plurality of cleaning cotton rollers are equidistantly arranged below the dust suction head, and both ends of the cleaning cotton rollers are detachably connected to the inner side of the printing frame, a printing mechanism is arranged on the other side of the top cover, and the printing mechanism includes a printing component and a curing component, and the printing mechanism is located directly above the positioning plate.

[0008] Preferably, a support frame is provided at the lower end of the other side of the frame, and the bottom of the support frame is in the same horizontal plane as the bottom of the correction and positioning mechanism. At the same time, an extension frame is provided at one end of the frame above the support frame, one side of the extension frame is connected to the side with a through opening of the printing frame, and the other side of the extension frame is provided with a discharge port.

[0009] Preferably, the correcting positioning mechanism includes a positioning bottom frame, and sliding grooves are symmetrically opened on both sides of the upper end of the positioning bottom frame, and sliding plates are slidably connected inside the two sliding grooves. The tops of the two sliding plates are connected to the corresponding sides of the lower ends of the correcting plates, and the lower ends of the two sliding plates form a lifting structure with the inside of the positioning bottom frame by driving the lifting assembly.

[0010] Preferably, the driving lifting assembly includes a driving shaft, and the driving shaft is arranged at the lower end inside the positioning bottom frame, and one end of the driving shaft passes through the positioning bottom frame and is connected to the driving motor, an eccentric transmission gear is arranged in the middle of the driving shaft, and eccentric disks are symmetrically arranged on both sides of the driving shaft about the eccentric transmission gear, and a driving shaft is arranged above the driving shaft, both ends of the driving shaft are rotatably connected to the lower end of the sliding plate, and the middle of the driving shaft is meshed with the eccentric transmission gear through an eccentric driven gear, and limited eccentric wheels are symmetrically arranged on both sides of the driving shaft about the eccentric driven gear, the positions of the two limited eccentric wheels are arranged corresponding to the positions of the eccentric disks, and the outer sides of the two eccentric disks are slidably connected to the slideway opened in the middle of the outer sides of the corresponding limited eccentric wheels.

[0011] Preferably, the correcting plate is a circular structure, and a partition seat is arranged in the middle of the correcting plate, and a plurality of bidirectional motors are arranged equidistantly in the middle of the partition seat, and moving rollers are symmetrically arranged on both sides of the bidirectional motor, and the other end of the moving roller is rotatably connected to the correcting plate.

[0012] Preferably, a rotating shaft is provided at the lower end of the conveyor belt close to one side of the support frame, and a tension adjustment component is provided at the upper middle part of the conveyor belt support frame. The tension adjustment component includes a positioning seat, an electric push rod, a lifting frame and a pressure roller. The electric push rod is symmetrically provided at the lower end of the positioning seat, and the output end of the electric push rod is connected to the lifting frame. At the same time, a pressure roller is provided on the inner side of the lower end of the lifting frame, and the outer side of the lower end of the pressure roller is in contact with the conveyor belt.

[0013] Preferably, the printing assembly includes an ink storage cartridge, and electric telescopic rods are symmetrically arranged on both sides of the lower end of the ink storage cartridge, and the output ends of the electric telescopic rods are connected to a lifting plate, a quantitative delivery pump is arranged in the middle of the lifting plate, and the two sides of the quantitative delivery pump are respectively connected to an ink supply tube and a printing device, and the ink supply tube is connected to the middle of the lower end of the ink storage cartridge, and the lower end of the lifting plate is connected to a lower pressure seat through a plurality of equidistantly arranged connecting rods, and the lower pressure seat is a U-shaped structure, and the bottom of the printing device is located on the inner side of the lower pressure seat.

[0014] Preferably, the curing assembly includes an air outlet, and the air outlet is located on one side of the lower pressure seat. At the same time, an air duct arranged on the upper end of the air outlet passes through the printing frame and is connected to the blower. An electric heater is arranged on the air duct between the blower and the air outlet.

[0015] Compared with the prior art, the invention has the following beneficial effects: the printing machine with printing and curing function,

[0016] (1) In order to solve the problem that the existing printing press does not quickly dry the ink during use, which often affects the printing quality of the package because the ink is not completely dry after printing, and the subsequent ink ghosting is easily caused when the package is transported and unloaded, affecting the use effect of the printing press, the present application provides an air outlet, an air duct, an electric heater and a blower for use together, so that hot air is easily transported to the inside of the printing frame. Under the action of heat and airflow, the printed ink is air-dried. At the same time, under the action of the extension frame, external dust is isolated during the transportation and unloading, so that dust is not easy to adhere to the ink, thereby improving the printing quality and use effect;

[0017] (2) In order to solve the problem that the existing printing presses do not have a good dust removal effect when in use, and the dust during the printing process will have a great impact on the printing quality of the packaging, affecting the overall appearance of the packaging and the product quality, the present application sets a cleaning cotton roller to clean the dust adhering to the packaging, and then the dust generated during cleaning is collected in the dust collecting bag through a vacuum head, a conveying pipe and a vacuum pump so that the dust can be processed later. By processing the dust on the packaging, the overall appearance of the packaging during printing and the product quality are improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the front cross-sectional structure of the present invention;

[0019] Figure 2 It is a schematic diagram of the front cross-sectional structure of the deviation correction and positioning mechanism of the present invention;

[0020] Figure 3 For the present invention Figure 1 The enlarged structural diagram at A in the middle;

[0021] Figure 4 It is a schematic diagram of the front cross-sectional structure of the printing mechanism of the present invention;

[0022] Figure 5 It is a front view structural schematic diagram of the present invention;

[0023] Figure 6 It is a rear view structural schematic diagram of the present invention.

[0024] In the figure: 1, frame; 2, feed frame; 3, deviation correction and positioning mechanism; 301, positioning bottom frame; 3011, slide; 302, driving shaft; 303, driving motor; 304, eccentric transmission gear; 305, eccentric disc; 306, deviation correction plate; 307, sliding plate; 308, transmission shaft; 309, eccentric driven gear; 310, limiting eccentric wheel; 311, partition seat; 312, two-way motor; 313, moving roller; 4, support frame; 5, conveying device; 501, conveying belt; 6, positioning plate; 7, rotating shaft; 8, positioning seat; 9, electric push rod; 10, lifting frame; 11, Pressing roller; 12, printing frame; 1201, through-hole; 13, top cover; 14, dust suction head; 15, delivery pipe; 16, dust suction pump; 17, dust bag; 18, display rack; 19, cleaning cotton roller; 20, printing mechanism; 2001, ink storage cartridge; 2002, electric telescopic rod; 2003, lifting plate; 2004, quantitative delivery pump; 2005, ink delivery pipe; 2006, printing device; 2007, connecting rod; 2008, lower pressing seat; 2009, air outlet; 2010, air delivery pipe; 2011, electric heater; 2012, blower; 21, extension frame; 2101, discharge port. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] See also Figure 1-6 The present invention provides a technical solution: a printing machine with printing and curing function, according to Figure 1 , Figure 2 , Figure 5 and Figure 6 As shown, the feed frame 2 is installed on one side of the upper end of the frame 1, and a loading port is provided at the lower end of the feed frame 2 close to the conveying device 5. The loading port, the through-port 1201 and the discharge port 2101 are arranged in a one-to-one correspondence, and a conveying port is provided in the middle of the frame 1. At the same time, a correction and positioning mechanism 3 is provided inside the conveying port and below the feed frame 2. A support frame 4 is provided at the lower end of the other side of the frame 1, and the bottom of the support frame 4 is in the same horizontal plane as the bottom of the correction and positioning mechanism 3. At the same time, an extension frame 21 is provided at one end of the frame 1 located above the support frame 4. Through the extension frame 21, the printed package is not easily contacted with the outside air, so that time for heat dissipation is left, thereby improving the printing quality. One side of the extension frame 21 is connected to the side of the printing frame 12 with the through-port 1201, and the other side of the extension frame 21 is provided with a discharge port 2101.

[0027] Specifically, the correction and positioning mechanism 3 includes a positioning bottom frame 301, and the upper ends of the positioning bottom frame 301 are symmetrically provided with slide grooves 3011, and the two slide grooves 3011 are slidably connected with sliding plates 307 inside. The tops of the two sliding plates 307 are connected to the corresponding sides of the lower ends of the correction plates 306, and the lower ends of the two sliding plates 307 are connected to the inner part of the positioning bottom frame 301 by driving the lifting assembly, and the sliding plates 307 and the correction plates 306 are driven by the lifting assembly to move downward, so that the packages placed on the correction plates 306 can be lifted. Under the action of the feed frame 2, positioning and deviation correction are carried out to facilitate improving the accuracy of the position during packaging transportation. The driving lifting component includes a driving shaft 302, and the driving shaft 302 is arranged at the lower end of the positioning bottom frame 301. At the same time, one end of the driving shaft 302 passes through the positioning bottom frame 301 and is connected to the driving motor 303. An eccentric transmission gear 304 is arranged in the middle of the driving shaft 302, and eccentric disks 305 are symmetrically arranged on both sides of the driving shaft 302 about the eccentric transmission gear 304. At the same time, a transmission shaft 302 is arranged above the driving shaft 302. The transmission shaft 308 is rotatably connected to the lower end of the sliding plate 307 at both ends, and the middle of the transmission shaft 308 is meshed with the eccentric transmission gear 304 through the eccentric driven gear 309. At the same time, limited eccentric wheels 310 are symmetrically arranged on both sides of the transmission shaft 308 about the eccentric driven gear 309. The positions of the two limited eccentric wheels 310 are arranged corresponding to the positions of the eccentric discs 305, and the outer sides of the two eccentric discs 305 are slidably connected to the slideways opened in the middle of the outer sides of the corresponding limited eccentric wheels 310. The machine 303 drives the driving shaft 302, the eccentric transmission gear 304 and the eccentric disc 305 to rotate, and then the eccentric transmission gear 304 and the eccentric disc 305 drive the eccentric driven gear 309, the limiting eccentric wheel 310 and the driving shaft 308 to rotate synchronously, so that under the action of the eccentric transmission gear 304, the eccentric disc 305, the eccentric driven gear 309 and the limiting eccentric wheel 310, the sliding plate 307 moves inside the slide groove 3011, thereby moving the package placed on the correcting plate 306 downward.

[0028] To further explain, the deflection correcting plate 306 is a circular structure, and a partition seat 311 is arranged in the middle of the deflection correcting plate 306. At the same time, a plurality of bidirectional motors 312 are equidistantly arranged in the middle of the partition seat 311. Moving rollers 313 are symmetrically arranged on both sides of the bidirectional motor 312. At the same time, the other end of the moving roller 313 is rotatably connected to the deflection correcting plate 306. The moving roller 313 is driven to rotate by the bidirectional motor 312, so that under the action of the moving roller 313, the packages placed on the deflection correcting plate 306 are transported to the conveying device 5 through the loading port so as to load the packages.

[0029] according to Figure 1 , Figure 3 , Figure 5 and Figure 6As shown, a conveying device 5 is provided on the other side of the conveying port, and a positioning plate 6 is provided in the middle of a conveying belt 501 provided in the conveying device 5. The positioning plate 6 enables the printing mechanism 20 to support the packaging on the conveying belt 501 when printing, thereby improving the stability of the packaging during printing. A rotating shaft 7 is provided on the lower end of the conveying belt 501 close to the side of the supporting frame 4, and a tension adjustment component is provided on the upper middle part of the conveying belt 501 located in the support frame 4. At the same time, the tension adjustment component includes a positioning seat 8, an electric push rod 9, a lifting frame 10 and a pressure roller 11. Electric push rods 9 are symmetrically provided on the lower end of the positioning seat 8, and the output end of the electric push rod 9 is connected to the lifting frame 10. At the same time, a pressure roller 11 is provided on the inner side of the lower end of the lifting frame 10, and the outer side of the lower end of the pressure roller 11 is in contact with the conveying belt 501. The lifting frame 10 and the pressure roller 11 are pushed up and down by the electric push rod 9, so that the conveying belt 501 is tensioned and adjusted under the action of the pressure roller 11 and the rotating shaft 7, thereby improving the stability of the conveying belt 501 in conveying and moving the packaging.

[0030] according to Figure 1 , Figure 4 , Figure 5 and Figure 6 As shown, a printing frame 12 is arranged above the conveying port and a top cover 13 is arranged on the top of the printing frame 12, and a cleaning component is arranged on the lower end of the top cover 13 near the feeding frame 2, and the cleaning component includes a dust suction head 14, and the middle of the upper end of the dust suction head 14 passes through the top cover 13 through a conveying pipe 15 and is connected to a dust suction pump 16, and the other end of the dust suction pump 16 is detachably connected to a dust bag 17, and the dust bag 17 is connected to the back of the printing frame 12 through a display rack 18, and a plurality of cleaning cotton rollers 19 are equidistantly arranged below the dust suction head 14, and the cleaning cotton rollers 19 are arranged on the bottom of the dust suction head 14. The two ends of the roller 19 are detachably connected to the inner side of the printing frame 12. The cleaning cotton roller 19 is used to clean the dust adhered to the packaging printing surface, and then the dust in the air is transported to the dust collecting bag 17 through the dust suction head 14 and the conveying pipe 15 by the dust suction pump 16. The dust is processed in time to avoid dust adhesion when the printing component is printed, thereby improving the packaging printing quality. A printing mechanism 20 is arranged on the other side of the top cover 13, and the printing mechanism 20 includes a printing component and a curing component. At the same time, the printing mechanism 20 is located directly above the positioning plate 6.

[0031] Specifically, the printing assembly includes an ink storage cartridge 2001, and electric telescopic rods 2002 are symmetrically arranged on both sides of the lower end of the ink storage cartridge 2001, and the output end of the electric telescopic rod 2002 is connected to a lifting plate 2003, and a quantitative delivery pump 2004 is arranged in the middle of the lifting plate 2003, and the two sides of the quantitative delivery pump 2004 are respectively connected to an ink delivery tube 2005 and a printing device 2006, and the ink delivery tube 2005 is connected to the middle of the lower end of the ink storage cartridge 2001, and the lower end of the lifting plate 2003 is connected to the ink storage cartridge 2001 through a plurality of connections arranged at equal distances. The connecting rod 2007 is connected to the lower pressure seat 2008, and the lower pressure seat 2008 is a U-shaped structure. The bottom of the printing device 2006 is located on the inner side of the lower pressure seat 2008. The ink stored in the ink cartridge 2001 is transported to the printing device 2006 through the quantitative delivery pump 2004, and then the electric telescopic rod 2002 is started to push the lifting plate 2003 downward, so that the lower pressure seat 2008 pressurizes and fixes the package on the conveyor belt 501, and at the same time makes the printing device 2006 fit onto the package, thereby completing printing.

[0032] Specifically, the curing component includes an air outlet head 2009, and the air outlet head 2009 is located on one side of the lower pressure seat 2008. At the same time, an air duct 2010 arranged on the upper end of the air outlet head 2009 passes through the printing frame 12 and is connected to the blower 2012. An electric heater 2011 is arranged on the air duct 2010 between the blower 2012 and the air outlet head 2009. By starting the blower 2012 and the electric heater 2011, external air enters the air duct 2010, and the heat generated by the electric heater 2011 is discharged from the air outlet head 2009, so that the hot wind dries the printed area on the package, so that after the ink is completely dry, it is not easy to cause ink ghosting when the package is transported and unloaded, thereby improving the printing quality.

[0033] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the devices or elements referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the protection content of the present invention.

[0034] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. 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 printing machine with printing and curing function, comprising a feed frame (2), characterized in that: The feed frame (2) is mounted on one side of the upper end of the frame (1), and a conveying port is provided in the middle of the frame (1), and a deviation correction and positioning mechanism (3) is provided inside the conveying port and located below the feed frame (2), a conveying device (5) is provided on the other side of the conveying port, and a positioning plate (6) is provided in the middle of a conveying belt (501) provided in the conveying device (5), and a printing frame (12) is provided above the conveying port and located above the conveying device (5), a top cover (13) is provided on the top of the printing frame (12), and a cleaning component is provided at the lower end of the top cover (13) close to the feed frame (2), and the cleaning component includes a dust collector head (14), and the dust collector head (15) is provided at the bottom of the top cover (13). The middle of the upper end of the head (14) is connected to a dust pump (16) through a conveying pipe (15) penetrating the top cover (13), and the other end of the dust pump (16) is detachably connected to a dust bag (17). At the same time, the dust bag (17) is connected to the back of the printing frame (12) through a display rack (18). A plurality of cleaning cotton rollers (19) are equidistantly arranged below the dust head (14), and both ends of the cleaning cotton rollers (19) are detachably connected to the inner side of the printing frame (12). A printing mechanism (20) is arranged on the other side of the top cover (13), and the printing mechanism (20) includes a printing component and a curing component. At the same time, the printing mechanism (20) is located directly above the positioning plate (6).

2. The printing machine with printing and curing function as claimed in claim 1, characterized in that: A support frame (4) is provided at the lower end of the other side of the frame (1), and the bottom of the support frame (4) is in the same horizontal plane as the bottom of the deviation correction and positioning mechanism (3). At the same time, an extension frame (21) is provided at one end of the frame (1) located above the support frame (4), one side of the extension frame (21) is connected to the side of the printing frame (12) provided with a through opening (1201), and the other side of the extension frame (21) is provided with a discharge opening (2101).

3. The printing machine with printing and curing function as claimed in claim 1, characterized in that: The deviation correcting and positioning mechanism (3) comprises a positioning bottom frame (301), and sliding grooves (3011) are symmetrically provided on both sides of the upper end of the positioning bottom frame (301), and sliding plates (307) are slidably connected inside the two sliding grooves (3011), and the tops of the two sliding plates (307) are connected to the corresponding sides of the lower end of the deviation correcting plate (306), and the lower ends of the two sliding plates (307) form a lifting structure with the inside of the positioning bottom frame (301) through a driving lifting component.

4. The printing machine with printing and curing function as claimed in claim 3, characterized in that: The driving lifting assembly comprises a driving shaft (302), and the driving shaft (302) is arranged at the lower end inside the positioning bottom frame (301), and one end of the driving shaft (302) passes through the positioning bottom frame (301) and is connected to the driving motor (303), an eccentric transmission gear (304) is arranged in the middle of the driving shaft (302), and eccentric disks (305) are symmetrically arranged on both sides of the driving shaft (302) about the eccentric transmission gear (304), and a transmission shaft (308) is arranged above the driving shaft (302), and the transmission shaft ( The two ends of the transmission shaft (308) are rotatably connected to the lower end of the sliding plate (307), and the middle of the transmission shaft (308) is meshed with the eccentric transmission gear (304) through the eccentric driven gear (309), and at the same time, limited eccentric wheels (310) are symmetrically arranged on both sides of the transmission shaft (308) about the eccentric driven gear (309), and the positions of the two limited eccentric wheels (310) are arranged corresponding to the positions of the eccentric discs (305), and the outer sides of the two eccentric discs (305) are slidably connected to the slideways opened in the middle of the outer sides of the corresponding limited eccentric wheels (310).

5. The printing machine with printing and curing function as claimed in claim 3, characterized in that: The deflection correcting plate (306) is of a circular structure, and a partition seat (311) is arranged in the middle of the deflection correcting plate (306). At the same time, a plurality of bidirectional motors (312) are arranged equidistantly in the middle of the partition seat (311). Moving rollers (313) are symmetrically arranged on both sides of the bidirectional motor (312), and the other end of the moving roller (313) is rotatably connected to the deflection correcting plate (306).

6. The printing machine with printing and curing function as claimed in claim 1, characterized in that: A rotating shaft (7) is arranged at the lower end of the conveying belt (501) near the side of the supporting frame (4), and a tension adjustment component is arranged at the upper middle of the conveying belt (501) located in the supporting frame (4). The tension adjustment component comprises a positioning seat (8), an electric push rod (9), a lifting frame (10) and a pressure roller (11). The electric push rod (9) is symmetrically arranged at the lower end of the positioning seat (8), and the output end of the electric push rod (9) is connected to the lifting frame (10). At the same time, a pressure roller (11) is arranged on the inner side of the lower end of the lifting frame (10), and the outer side of the lower end of the pressure roller (11) is in contact with the conveying belt (501).

7. The printing machine with printing and curing function as claimed in claim 1, characterized in that: The printing assembly comprises an ink storage box (2001), and electric telescopic rods (2002) are symmetrically arranged on both sides of the lower end of the ink storage box (2001), and the output end of the electric telescopic rod (2002) is connected to a lifting plate (2003), and a quantitative delivery pump (2004) is arranged in the middle of the lifting plate (2003), and the two sides of the quantitative delivery pump (2004) are respectively connected to an ink delivery tube (2005) and a printing device (2006), and the ink delivery tube (2005) is connected to the middle of the lower end of the ink storage box (2001), and the lower end of the lifting plate (2003) is connected to a lower pressing seat (2008) through a plurality of connecting rods (2007) arranged at equal intervals, and the lower pressing seat (2008) is a U-shaped structure, and the bottom of the printing device (2006) is located on the inner side of the lower pressing seat (2008).

8. The printing machine with printing and curing function as claimed in claim 1, characterized in that: The curing component comprises an air outlet head (2009), and the air outlet head (2009) is located on one side of the lower pressure seat (2008). At the same time, an air supply pipe (210) arranged at the upper end of the air outlet head (2009) passes through the printing frame (12) and is connected to the blower (212). An electric heater (2011) is arranged on the air supply pipe (2010) between the blower (2012) and the air outlet head (2009).

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