CN111923593B

CN111923593B - Carton full-bottom printing device and method

Info

Publication number: CN111923593B
Application number: CN202010828243.XA
Authority: CN
Inventors: 雷全
Original assignee: Jinjia Packaging Co ltd
Current assignee: Jinjia Packaging Co.,Ltd.
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2022-04-05
Anticipated expiration: 2040-08-17
Also published as: CN111923593A

Abstract

The invention discloses a full-bottom printing device and method for a carton, and belongs to the field of carton processing and production. A carton full-bottom printing device and a printing method comprise a box body, a base and a printing chamber, wherein the printing chamber is positioned in the box body, the base is fixed at the lower end of the box body, a conveying belt is arranged on the base, a feeding hole and a discharging hole are respectively formed in the side wall of the box body, one side, close to the feeding hole, in the box body is rotatably connected with a rolling roller, a driving motor is arranged on the side wall of the box body, the output end of the driving motor is fixedly connected with the rolling roller, and a half-tooth rotating shaft is rotatably connected in the box body; according to the invention, the temperature of the rolling roller is conveniently increased through the arrangement of the friction plate, the flattening effect is improved, the arrangement of the first air cylinder, the first guide pipe, the friction plate, the heat conducting rod, the radiating fin and the first spray head is convenient for drying the printed carton, and the arrangement of the second air cylinder, the refrigerating box, the second guide pipe and the second spray head is convenient for cooling the dried carton.

Description

Carton full-bottom printing device and method

Technical Field

The invention relates to the technical field of carton processing production, in particular to a carton full-bottom printing device and a printing method.

Background

The carton is usually used as a wrapper for goods or an outer layer for protecting goods, the volume of the carton is changed due to the size of goods, the carton is an indispensable part of modern logistics and bears important responsibility for containing, protecting products and beautifying, the surface of the carton is often used as a carrier of information of packaged goods, and the information of goods is usually printed on the surface of a box body through printing equipment.

Present carton full end printing device is laid the carton in the lithography apparatus below through the manual work more, is not convenient for flatten the carton, leads to the carton uneven to influence the printing effect, is not convenient for dry the carton that the printing was accomplished, is not convenient for cool down the carton that the printing processing was accomplished, and the higher not convenient for of carton temperature that the printing was accomplished accomodate.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, the carton is not conveniently pressed to be flat, so that the printing effect is influenced due to the fact that the carton is not flat, the printed carton is not conveniently dried, and the printed and processed carton is not conveniently cooled, and provides a carton full-bottom printing device and a printing method.

In order to achieve the purpose, the invention adopts the following technical scheme:

a carton full-bottom printing device and a printing method comprise a box body, a base and a printing chamber, wherein the printing chamber is positioned in the box body, the base is fixed at the lower end of the box body, a conveyor belt is arranged on the base, a feed inlet and a discharge outlet are respectively arranged on the side wall of the box body, one side, close to the feed inlet, in the box body is rotatably connected with a rolling roller, the side wall of the box body is provided with a driving motor, the output end of the driving motor is fixedly connected with the rolling roller, a half-tooth rotating shaft is rotatably connected in the box body, a transmission belt is connected between the half-tooth rotating shaft and the rolling roller, a rack ring is arranged in the box body and is meshed with the half-tooth rotating shaft, the upper end of the rack ring is fixedly connected with a second connecting rod, the lower end of the rack ring is fixedly connected with a first connecting rod, a first air cylinder is arranged in the base, a first piston is slidably connected in the first air cylinder, the first piston is fixedly connected with a first connecting rod, a heat conducting rod is arranged in the base, a heat radiating fin is arranged in the first air cylinder and fixedly connected with the heat conducting rod, a friction plate is fixedly connected with one end, away from the heat radiating fin, of the heat conducting rod, the friction plate is attached to a rolling roller, a first guide pipe is fixedly connected with the lower end of the first air cylinder, a first nozzle is arranged at one end, away from the first air cylinder, of the first guide pipe, the first nozzle is positioned at one side, close to a discharge port, of a printing chamber, an air inlet is arranged at the lower end of the first air cylinder, a cooling chamber is arranged in the box body and positioned at one side, close to the discharge port, of the first nozzle, a second air cylinder is arranged at the upper end of the box body, a second piston is connected with the second air cylinder in a sliding manner, the second piston is fixedly connected with a second connecting rod, and a refrigeration box is fixedly connected with the side wall of the second air cylinder, the refrigerator is arranged in the refrigeration box, the refrigeration box is connected with the second air cylinder through a connecting pipe, an air inlet is formed in the second air cylinder, a second guide pipe is arranged at the lower end of the refrigeration box, a second spray nozzle is arranged at one end, far away from the refrigeration box, of the second guide pipe, and the second spray nozzle is located in the cooling chamber.

Preferably, sliding connection has the slide bar on the box, the box internal rotation is connected with the gear, second connecting rod and slide bar all with gear engagement, be equipped with the third inflator in the box, sliding connection has the third piston in the third inflator, third piston lower extreme fixedly connected with push rod, the one end and the slide bar fixed connection of third piston are kept away from to the push rod, be equipped with the third pipe on the third inflator, be equipped with the air inlet on the third inflator.

Preferably, the first spray head, the second spray head and the third spray head are all aligned with the conveyor belt.

Preferably, the first conduit, the second conduit, the third conduit and the air inlet are all provided with one-way valves.

Preferably, the conveyor belt is provided with anti-skid grains.

Preferably, the surface of the heat conducting rod is provided with a heat insulation layer.

Preferably, the upper parts of the feeding hole and the discharging hole are rotatably connected with baffle plates.

Preferably, a motor cover is arranged on the driving motor, and heat dissipation holes are formed in the motor cover.

Preferably, the side wall of the box body is fixedly connected with a containing table, and the position of the containing table is matched with the discharge port.

Compared with the prior art, the invention provides a carton full-bottom printing device and a printing method, and the carton full-bottom printing device and the printing method have the following beneficial effects:

1. this carton is full of end printing device and printing method, the setting through the conveyer belt is convenient for drive the carton and is removed, the setting of rolling roller is convenient for flatten the carton of treating the printing, the setting of friction disc is convenient for heat up the rolling roller, improve the effect of flattening, the setting of drive belt is convenient for rolling roller drive half tooth pivot and rotates, through first inflator, first pipe, the friction disc, the heat conduction pole, the fin, the setting of first shower nozzle is convenient for dry the carton after the printing, through the second inflator, the refrigeration case, the second pipe, the setting of second shower nozzle is convenient for cool down the carton after the drying.

2. According to the full-bottom carton printing device and the full-bottom carton printing method, the rack ring drives the sliding rod to reciprocate up and down through the gear, so that the push rod pushes the third piston to reciprocate up and down to pump and exhaust the third air cylinder, when the third piston slides downwards, outside air enters the third air cylinder along the air inlet, and when the third piston slides upwards, air in the third air cylinder is discharged along the third guide pipe and sprayed to the conveying belt through the third spray head to sweep dust attached to the surface of the carton on the conveying belt.

3. According to the full-bottom printing device and the full-bottom printing method for the carton, the first spray head, the second spray head and the third spray head are all aligned to the conveying belt, and the drying efficiency, the cooling efficiency and the cleaning effect are respectively improved.

4. The full-bottom printing device and the printing method for the carton ensure the air flow direction through the arrangement of the one-way valve.

5. According to the full-bottom printing device and the printing method for the carton, the friction force between the carton and the conveyor belt is increased through the arrangement of the anti-slip patterns.

6. The full-bottom printing device and the printing method for the carton facilitate reduction of loss of heat in the transfer process through arrangement of the heat insulation layer.

7. According to the full-bottom printing device and method for the carton, the carton body is convenient to seal in time through the arrangement of the plate, external dust is prevented from entering the carton body, and meanwhile, harmful gas contained in printing ink in the carton body is convenient to isolate.

8. According to the full-bottom carton printing device and the printing method, the driving motor is protected conveniently through the arrangement of the motor cover, and the heat dissipation holes are arranged to dissipate heat of the driving motor conveniently.

9. The full-bottom printing device for the carton and the printing method are convenient for accommodating the printed carton through the arrangement of the accommodating table.

The device is characterized in that the friction plate is arranged to facilitate heating of the rolling roller, the flattening effect is improved, the first air cylinder, the first guide pipe, the friction plate, the heat conducting rod, the radiating fin and the first spray head are arranged to facilitate drying of a printed carton, and the second air cylinder, the refrigerating box, the second guide pipe and the second spray head are arranged to facilitate cooling of the dried carton.

Drawings

Fig. 1 is a schematic structural diagram of a carton full-bottom printing device and a printing method according to the present invention;

fig. 2 is a second schematic structural view of a carton full-bottom printing device and a printing method according to the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 1 illustrating a carton bottom filling printing apparatus and method of printing according to the present invention;

FIG. 4 is an enlarged view of portion B of FIG. 1 illustrating a carton bottom filling printing apparatus and method of printing according to the present invention;

FIG. 5 is an enlarged view of portion C of FIG. 1 illustrating a carton bottom filling printing apparatus and method of printing according to the present invention;

fig. 6 is an enlarged view of a portion D in fig. 1 of a carton full-bottom printing device and a printing method according to the present invention.

In the figure: 1. a box body; 2. a base; 3. a printing chamber; 4. a cooling chamber; 5. a first gas cylinder; 501. a first piston; 502. a first conduit; 503. a first nozzle; 6. a third gas cylinder; 601. a third piston; 7. a second gas cylinder; 701. a second piston; 8. a refrigeration case; 801. a refrigerator; 802. a second conduit; 803. a second nozzle; 9. a conveyor belt; 10. a gear; 101. a slide bar; 102. a push rod; 103. a third conduit; 104. a third spray head; 11. rolling a roller; 111. a half-tooth rotating shaft; 112. a rack ring; 113. a first connecting rod; 114. a second connecting rod; 116. a friction plate; 117. a heat conducting rod; 118. a heat sink; 12. a baffle plate; 14. a storage table; 15. the motor is driven.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1-6, a carton full bottom printing device and a printing method, comprising a box body 1, a base 2, a printing chamber 3, the printing chamber 3 is located in the box body 1, the base 2 is fixed at the lower end of the box body 1, a conveyor belt 9 is arranged on the base 2, a feed inlet and a discharge outlet are respectively arranged on the side wall of the box body 1, a rolling roller 11 is rotatably connected to one side of the box body 1 close to the feed inlet, a driving motor 15 is arranged on the side wall of the box body 1, the output end of the driving motor 15 is fixedly connected with the rolling roller 11, a half-tooth rotating shaft 111 is rotatably connected with the box body 1, a transmission belt is connected between the half-tooth rotating shaft 111 and the rolling roller 11, a rack ring 112 is arranged in the box body 1, the rack ring 112 is meshed with the half-tooth rotating shaft 111, a second connecting rod 114 is fixedly connected to the upper end of the rack ring 112, a first connecting rod 113 is fixedly connected to the lower end of the rack ring 112, a first cylinder 5 is arranged in the base 2, a first piston 501 is slidably connected to the first cylinder 5, the first piston 501 is fixedly connected with a first connecting rod 113, a heat conducting rod 117 is arranged in the base 2, a heat radiating fin 118 is arranged in the first air cylinder 5, the heat radiating fin 118 is fixedly connected with the heat conducting rod 117, one end of the heat conducting rod 117 far away from the heat radiating fin 118 is fixedly connected with a friction plate 116, the friction plate 116 is attached to the rolling roller 11, the lower end of the first air cylinder 5 is fixedly connected with a first guide pipe 502, one end of the first guide pipe 502 far away from the first air cylinder 5 is provided with a first nozzle 503, the first nozzle 503 is positioned at one side of the printing chamber 3 close to the discharge hole, the lower end of the first air cylinder 5 is provided with an air inlet, a cooling chamber 4 is arranged in the box body 1, the cooling chamber 4 is positioned at one side of the first nozzle 503 close to the discharge hole, the upper end of the box body 1 is provided with a second air cylinder 7, a second piston 701 is slidably connected with the second air cylinder 7, the second piston 701 is fixedly connected with a second connecting rod 114, the side wall of the second air cylinder 7 is fixedly connected with a refrigerating box 8, the refrigerating box 8 is internally provided with a refrigerating machine 801, the refrigerating box 8 is connected with the second air cylinder 7 through a connecting pipe, the second air cylinder 7 is provided with an air inlet, the lower end of the refrigerating box 8 is provided with a second guide pipe 802, one end of the second guide pipe 802 far away from the refrigerating box 8 is provided with a second spray head 803, and the second spray head 803 is positioned in the cooling chamber 4.

A user puts a paper box to be printed into a box body 1 along a feeding hole and flatly spreads the paper box on a conveyor belt 9, the paper box moves along the direction of a discharging hole of the conveyor belt 9, a driving motor 15 is started to drive a rolling roller 11 to rotate, the rolling roller 11 flattens the surface of the paper box, the paper box enters a printing chamber 3 along the conveyor belt 9, printing equipment prints and processes the paper box, meanwhile, the rolling roller 11 drives a half-tooth rotating shaft 111 to rotate, the half-tooth rotating shaft 111 drives a rack ring 112 to reciprocate up and down, the rack ring 112 drives a first piston 501 to reciprocate up and down through a first connecting rod 113, when the first piston 501 moves upwards, outside air enters the first air cylinder 5 along an air inlet, meanwhile, the rolling roller 11 and a friction plate 116 rub to generate heat, the heat is transferred to a heat dissipation plate 118 along a heat conduction rod 117, the heat dissipation plate 118 heats up air in the first air cylinder 5, when the first piston 501 moves downwards, hot air in the first air cylinder 5 is discharged along a first guide pipe 502 and is sprayed to be transferred to the first spray head 503 A conveying belt 9 for drying the paper box coming out of the printing chamber 3, the dried paper box enters the cooling chamber 4 along with the conveying belt 9, meanwhile, the rack ring 112 drives the second piston 701 to reciprocate up and down through the second connecting rod 114, when the second piston 701 slides down, the outside air enters the second air cylinder 7 along the air inlet, when the second piston 701 slides up, the air enters the refrigeration box 8 along the conduit, is discharged along the second conduit 802 after being cooled by the refrigerator 801 and is sprayed out by the second spray head 803, the paper box entering the cooling chamber 4 is cooled, it is noted that the friction between the friction plate 116 and the rolling roller 11 raises the surface temperature of the rolling roller 11, the effect of flattening the paper box is increased, the cooled paper box moves out of the box body 1 along with the conveying belt 9 through the discharge port, and it should be noted that the driving motor 15 in the above embodiment may be of type YE3200L2-6, but not limited to this kind of motor, lithography apparatus is prior art, do not do too much to describe here again, be convenient for drive the carton through setting up of conveyer belt 9 and remove, the setting of laminating roller 11 is convenient for flatten the carton of treating the printing, the setting of friction disc 116 is convenient for heat up laminating roller 11, improve the effect of flattening, the setting of conveyer belt is convenient for laminating roller 11 and drives half tooth pivot 111 and rotate, setting through first inflator 5, first pipe 502, friction disc 116, heat conduction pole 117, fin 118, the carton after the printing is convenient for dry in the setting of first shower nozzle 503, set up through second inflator 7, refrigeration case 8, second pipe 802, the carton after the second shower nozzle 803 is convenient for cool down.

Example 2:

referring to fig. 1-6, a carton full bottom printing device and a printing method, which are substantially the same as those of embodiment 1, further, a sliding rod 101 is slidably connected on the box 1, a gear 10 is rotatably connected in the box 1, the second connecting rod 114 and the sliding rod 101 are engaged with the gear 10, a third air cylinder 6 is arranged in the box 1, a third piston 601 is slidably connected in the third air cylinder 6, a push rod 102 is fixedly connected at the lower end of the third piston 601, one end of the push rod 102 far away from the third piston 601 is fixedly connected with the sliding rod 101, a third guide tube 103 is arranged on the third air cylinder 6, an air inlet is arranged on the third air cylinder 6, the rack ring 112 drives the sliding rod 101 to reciprocate up and down through the gear 10, so that the push rod 102 pushes the third piston 601 to reciprocate up and down to pump and exhaust the third air cylinder 6, when the third piston 601 slides down, the outside air enters the third air cylinder 6 along the air inlet, when the third piston 601 slides upward, the air in the third air cylinder 6 is discharged along the third conduit 103 and is sprayed toward the conveyor belt 9 by the third spray head 104, so as to purge the dust attached to the surface of the carton on the conveyor belt 9.

Example 3:

referring to fig. 1-6, a carton full bottom printing device and a printing method are substantially the same as those in embodiment 1, and further, the first spray head 503, the second spray head 803, and the third spray head 104 are all aligned with the conveyor belt 9, which increases the drying, cooling, and cleaning efficiency and effect, respectively.

Example 4:

referring to fig. 1-6, a printing apparatus and a printing method for a full bottom of a carton are substantially the same as those in embodiment 1, and further, a first conduit 502, a second conduit 802, a third conduit 103, and an air inlet are all provided with a check valve, and the arrangement of the check valve ensures the air flow direction.

Example 5:

referring to fig. 1-6, a carton full bottom printing device and a printing method are substantially the same as those in embodiment 1, and further, the conveyor belt 9 is provided with anti-slip patterns, and the arrangement of the anti-slip patterns increases the friction force between the carton and the conveyor belt 9.

Example 6:

referring to fig. 1-6, a printing apparatus and a printing method for a full bottom of a carton are substantially the same as those in embodiment 1, and further, a heat insulation layer is disposed on a surface of the heat conduction rod 117, and the heat insulation layer is disposed to reduce heat loss during a heat transfer process.

Example 7:

referring to fig. 1-6, a carton full bottom printing device and a printing method are basically the same as those in embodiment 1, and further, a baffle plate 12 is rotatably connected above a feeding port and a discharging port, the baffle plate 12 is arranged to facilitate timely sealing of the box body 1, prevent external dust from entering the box body 1, and facilitate isolation of harmful gas contained in ink in the box body 1.

Example 8:

referring to fig. 1 to 6, a carton full bottom printing device and a printing method are substantially the same as those in embodiment 1, further, a motor cover is disposed on the driving motor 15, heat dissipation holes are disposed on the motor cover, the motor cover is disposed so as to protect the driving motor 15, and the heat dissipation holes are disposed so as to dissipate heat of the driving motor 15.

Example 9:

referring to fig. 1-6, a carton full bottom printing device and a printing method are substantially the same as those in embodiment 1, and further, a receiving table 14 is fixedly connected to a side wall of the box body 1, the position of the receiving table 14 is matched with that of the discharge port, and the receiving table 14 is arranged to facilitate receiving of a printed carton.

According to the invention, the friction plate 116 is arranged to facilitate heating of the rolling roller 11 and improve the flattening effect, the first air cylinder 5, the first guide pipe 502, the friction plate 116, the heat conducting rod 117, the radiating fin 118 and the first nozzle 503 are arranged to facilitate drying of the printed carton, and the second air cylinder 7, the refrigeration box 8, the second guide pipe 802 and the second nozzle 803 are arranged to facilitate cooling of the dried carton.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The full-bottom printing device for the carton comprises a box body (1), a base (2) and a printing chamber (3), and is characterized in that the printing chamber (3) is positioned in the box body (1), the base (2) is fixed at the lower end of the box body (1), a conveyor belt (9) is arranged on the base (2), a feed inlet and a discharge outlet are respectively arranged on the side wall of the box body (1), one side of the box body (1) close to the feed inlet is rotatably connected with a rolling roller (11), the side wall of the box body (1) is provided with a driving motor (15), the output end of the driving motor (15) is fixedly connected with the rolling roller (11), a half-tooth rotating shaft (111) is rotatably connected in the box body (1), the conveyor belt is connected between the half-tooth rotating shaft (111) and the rolling roller (11), a rack ring (112) is arranged in the box body (1), and the rack ring (112) is meshed with the half-tooth rotating shaft (111), the upper end of the rack ring (112) is fixedly connected with a second connecting rod (114), the lower end of the rack ring (112) is fixedly connected with a first connecting rod (113), a first air cylinder (5) is arranged in the base (2), a first piston (501) is connected in the first air cylinder (5) in a sliding manner, the first piston (501) is fixedly connected with the first connecting rod (113), a heat conducting rod (117) is arranged in the base (2), a radiating fin (118) is arranged in the first air cylinder (5), the radiating fin (118) is fixedly connected with the heat conducting rod (117), one end, far away from the radiating fin (118), of the heat conducting rod (117) is fixedly connected with a friction plate (116), the friction plate (116) is attached to the rolling roller (11), the lower end of the first air cylinder (5) is fixedly connected with a first guide pipe (502), one end, far away from the first air cylinder (5), of the first guide pipe (502) is provided with a first spray nozzle (503), the first spray head (503) is positioned on one side of the printing chamber (3) close to the discharge port, the lower end of the first air cylinder (5) is provided with an air inlet, a cooling chamber (4) is arranged in the box body (1), the cooling chamber (4) is positioned on one side of the first spray head (503) close to the discharge port, the upper end of the box body (1) is provided with a second air cylinder (7), a second piston (701) is slidably connected in the second air cylinder (7), the second piston (701) is fixedly connected with a second connecting rod (114), a side wall of the second air cylinder (7) is fixedly connected with a refrigeration box (8), a refrigerator (801) is arranged in the refrigeration box (8), the refrigeration box (8) is connected with the second air cylinder (7) through a connecting pipe, the air inlet is arranged on the second air cylinder (7), a second guide pipe (802) is arranged at the lower end of the refrigeration box (8), and a second spray head (803) is arranged at one end, far away from the refrigeration box (8), of the second guide pipe (802), second shower nozzle (803) are located cooling chamber (4), sliding connection has slide bar (101) on box (1), the box (1) internal rotation is connected with gear (10), second connecting rod (114) and slide bar (101) all with gear (10) meshing, be equipped with third inflator (6) in box (1), sliding connection has third piston (601) in third inflator (6), third piston (601) lower extreme fixedly connected with push rod (102), the one end and slide bar (101) fixed connection of third piston (601) are kept away from in push rod (102), be equipped with third pipe (103) on third inflator (6), be equipped with the air inlet on third inflator (6).

2. Carton full bottom printing device according to claim 1, characterized in that said first nozzle (503), second nozzle (803) and third nozzle (104) are all aligned with the conveyor belt (9).

3. Carton full bottom printing device according to claim 1, characterized in that said first duct (502), said second duct (802), said third duct (103) and said air inlet are provided with one-way valves.

4. A carton full bottom printing device according to claim 3, characterized in that said conveyor belt (9) is provided with anti-slip threads.

5. Carton full bottom printing device according to claim 4, characterised in that the surface of the heat conducting bar (117) is provided with a thermal insulation layer.

6. A carton full bottom printing device according to claim 3, wherein a flap (12) is pivotally connected above both the infeed and outfeed ports.

7. The carton full bottom printing device according to claim 5, wherein a motor cover is arranged on the driving motor (15), and heat dissipation holes are arranged on the motor cover.

8. The carton full bottom printing device according to claim 1, characterized in that a receiving table (14) is fixedly connected to the side wall of the box body (1), and the position of the receiving table (14) is matched with the discharge port.

9. A method for printing on the full bottom of a carton, characterized in that the printing device of claim 1 is adopted, and the method mainly comprises the following steps:

s1, a user puts the paper box to be printed into the box body (1) along the feeding hole and flatly spreads the paper box on the conveyor belt (9), the paper box moves along the direction of the discharging hole of the box of the conveyor belt (9),

s2, starting a driving motor (15) to drive a rolling roller (11) to rotate, enabling the surface temperature of the rolling roller (11) to rise due to the friction of a friction plate (116) and the rolling roller (11), flattening the surface of a paper box by the rolling roller (11), enabling the paper box to enter a printing chamber (3) along with a conveyor belt (9), printing the paper box by a printing device,

s3, the rolling roller (11) drives the half-tooth rotating shaft (111) to rotate, the half-tooth rotating shaft (111) drives the rack ring (112) to reciprocate up and down, the rack ring (112) drives the first piston (501) to reciprocate up and down through the first connecting rod (113), when the first piston (501) moves up, outside air enters the first air cylinder (5) along the air inlet, meanwhile, the rolling roller (11) and the friction plate (116) rub to generate heat, the heat is transmitted to the radiating fin (118) along the heat conducting rod (117), the radiating fin (118) heats the air in the first air cylinder (5), when the first piston (501) moves down, hot air in the first air cylinder (5) is discharged along the first guide pipe (502) and sprayed to the conveyor belt (9) by the first spray nozzle (503), and the carton coming out of the printing chamber (3) is dried,

s4, enabling the dried paper boxes to enter a cooling chamber (4) along with a conveyor belt (9), meanwhile, driving a second piston (701) to reciprocate up and down through a second connecting rod (114) by a rack ring (112), enabling outside air to enter a second air cylinder (7) along an air inlet when the second piston (701) slides downwards, enabling air to enter a refrigeration box (8) along a guide pipe when the second piston (701) slides upwards, discharging along a second guide pipe (802) after being cooled by a refrigerator (801) and spraying out from a second spray head (803), and cooling the paper boxes entering the cooling chamber (4).