A low-temperature curing and drying apparatus for inks used in label printing.

Abstract

This utility model belongs to the field of printing technology, and particularly relates to a low-temperature curing and drying device for ink used in label printing. It includes a housing with an inlet on one side and an outlet on the other. An inlet roller is rotatably connected to the inner wall of the housing near the inlet, and a first guide roller is positioned below one side of the inlet roller. An outlet roller is rotatably connected to the inner wall of the housing near the outlet, and a second guide roller is positioned above one side of the outlet roller. In use, this utility model first performs preliminary curing with ultraviolet lamps, followed by simultaneous double-sided drying with cold air, improving overall drying efficiency and ink curing quality. Dustproof pipes form air curtains at the inlet and outlet, effectively preventing external dust from entering the housing. It also pre-dries the label paper just entering the device and performs secondary drying on the label paper about to be discharged, reducing drying blind spots and ensuring uniform drying.

Description

Technical Field

[0001] This utility model relates to the field of printing technology, and in particular to a low-temperature curing and drying device for ink used in label printing. Background Technology

[0002] The low-temperature curing and drying device for label printing ink is a specialized piece of equipment designed for label printing processes. It is mainly used to solve problems such as label paper deformation, shrinkage, or ink performance damage that may occur due to high temperatures during traditional ink drying. This device can achieve rapid curing and drying of ink at lower temperatures, ensuring that the label paper maintains dimensional stability and printing quality after printing.

[0003] Patent CN222522295U discloses a low-temperature color printing drying device, including a conveyor belt for transporting printed materials. The conveyor belt passes sequentially through a curing chamber, an exhaust chamber, and a drying chamber. Openings for the conveyor belt to pass through are provided on the side walls of each chamber. Multiple ultraviolet curing lamps are installed at the top of the curing chamber, an inlet fan is installed at the outlet side of the drying chamber, and an exhaust fan is installed at the top of the exhaust chamber. This utility model provides a low-temperature color printing drying device that first uses ultraviolet curing lamps to pre-cur the ink, then it enters the drying chamber where it is dried by strong airflow. A drying air generator is also included, allowing the blown drying gas to quickly dry the ink without the use of heating equipment.

[0004] The aforementioned patents suffer from insufficient drying uniformity, unidirectional airflow, difficulty in drying the back of printed materials, lack of dust prevention measures, inconvenient maintenance of ultraviolet lamps, and complex and time-consuming operation. Therefore, a low-temperature curing and drying device for label paper printing ink is proposed for improvement. Utility Model Content

[0005] In order to overcome the defects of the prior art mentioned above, the inventors conducted in-depth research and, after a great deal of creative work, completed this utility model.

[0006] Specifically, the technical problem to be solved by this utility model is to provide a low-temperature curing and drying device for inks used in label printing, so as to solve the current technical problems of insufficient drying uniformity, lack of dust prevention measures and inconvenient maintenance of ultraviolet lamps.

[0007] To solve the above-mentioned technical problems, the present invention provides the following technical solution: A low-temperature curing and drying device for label printing ink includes a box body, an inlet on one side of the box body and an outlet on the other side of the box body, an inlet roller rotatably connected to the inner wall of the box body near the inlet roller, a first guide roller disposed below one side of the inlet roller, an outlet roller rotatably connected to the inner wall of the box body near the outlet roller, and a second guide roller disposed above one side of the outlet roller, and the box body includes a conveying mechanism, a drying mechanism and a limiting mechanism; A fan is fixedly installed at the top of the box. An L-shaped square tube is fixedly sleeved at the output end of the fan. Two air outlet pipes are fixedly sleeved on the inner side of one end of the L-shaped square tube. One end of the two air outlet pipes passes through the side wall of the box and extends into the inside of the box. Several nozzles are threadedly connected to the surface of the air outlet pipes. Both sides of the L-shaped square tube are fixedly fitted with L-shaped air supply pipes, and the bottom end of the L-shaped air supply pipe is fixedly fitted with a dustproof pipe. The dustproof pipes are respectively set above the inlet and outlet, and the bottom end of the dustproof pipe is provided with an air outlet groove.

[0008] As an improved technical solution, a U-shaped frame is provided between the feed roller and the first guide roller, and ultraviolet lamps are symmetrically arranged on the inner side of the U-shaped frame.

[0009] As an improved technical solution, the inner wall of the box is symmetrically equipped with fixed seats, and dovetail blocks are fixedly connected to both the upper and lower ends of the U-shaped frame. The dovetail blocks are fitted into the dovetail groove at the top of the fixed seats.

[0010] As an improved technical solution, a limiting block is fixedly connected to one end of the U-shaped frame, and a fixing block is fixedly connected to one side of the box.

[0011] As an improved technical solution, a locking rod is slidably connected inside the fixing block, one end of the locking rod is fixedly connected to a pull plate, and the other end of the locking rod is fitted into the groove inside the limiting block.

[0012] As an improved technical solution, a spring is sleeved on the outer surface of the lever, and the two ends of the spring are respectively connected to one side of the pull plate and one side of the fixing block.

[0013] As an improved technical solution, a motor is fixedly installed on the other side of the housing via a mounting bracket. The output shaft of the motor is fixedly sleeved with a feed roller drive shaft, and the feed roller drive shaft is rotatably connected to a discharge roller via a sprocket drive assembly.

[0014] After adopting the above technical solution, the beneficial effects of this utility model are: 1. In the process of using this utility model, it first undergoes preliminary curing with ultraviolet lamps, and then achieves double-sided synchronous drying with cold air, which improves the overall drying efficiency and ink curing quality. The dustproof tube forms an air curtain at the inlet and outlet, which effectively blocks external dust from entering the box. It can also pre-dry the label paper that has just entered the device and perform secondary drying on the label paper that is about to be discharged, reducing drying blind spots and ensuring drying uniformity.

[0015] 2. In the use of this utility model, when it is necessary to maintain the ultraviolet lamp, pull the pull plate outward. The pull plate drives the locking rod to move outward against the spring force, so that the end of the locking rod disengages from the groove of the limiting block, releasing the lock on the U-shaped frame. Then, hold the handle at one end of the U-shaped frame and slide it horizontally outward along the dovetail groove of the fixed seat to achieve the purpose of repairing the ultraviolet lamp, thereby quickly realizing the repair of the ultraviolet lamp and greatly shortening the maintenance time. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them: Figure 1 This is a side view of the structure of this utility model; Figure 2 for Figure 1 Enlarged structural diagram of the middle limit mechanism; Figure 3 This is a schematic diagram of another side view of the present invention; Figure 4 for Figure 1 A schematic diagram of the cross-sectional structure; Figure 5 This is an enlarged structural schematic diagram of the U-shaped frame in this utility model.

[0017] Explanation of reference numerals in the attached figures: 1. Box body; 11. Feed inlet; 12. Discharge outlet; 2. Conveying mechanism; 21. Motor; 22. Feed roller; 23. Sprocket drive assembly; 24. Discharge roller; 25. First guide roller; 26. Second guide roller; 3. Drying mechanism; 31. Fan; 32. L-shaped square tube; 33. Air outlet pipe; 34. Nozzle; 35. L-shaped air conveying pipe; 36. Dustproof pipe; 4. U-shaped frame; 41. Dovetail block; 5. Limiting mechanism; 51. Fixed base; 52. Limiting block; 53. Fixed block; 54. Locking rod; 55. Pull plate; 56. Spring; 6. Ultraviolet lamp. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0020] Meanwhile, the meaning of "and / or" or "and / or" appearing throughout the text is that it includes three options. Taking "A and / or B" as an example, it includes option A, option B, or an option that satisfies both A and B.

[0021] Furthermore, in this utility model, descriptions involving "first," "second," etc., are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.

[0022] like Figure 1 and Figure 5 As shown in the figure, this embodiment provides a low-temperature curing and drying device for ink for label printing, including a box body 1. A feed inlet 11 is opened on one side of the box body 1, and a discharge outlet 12 is opened on the other side of the box body 1. A feed roller 22 is rotatably connected to the inner wall of the box body 1 near the feed inlet 11. A first guide roller 25 is arranged below one side of the feed roller 22. A discharge roller 24 is rotatably connected to the inner wall of the box body 1 near the discharge outlet 12. A second guide roller 26 is arranged above one side of the discharge roller 24. The box body 1 includes a material conveying mechanism 2, a drying mechanism 3, and a limiting mechanism 5. A fan 31 is fixedly installed at the top of the housing 1. An L-shaped square tube 32 is fixedly sleeved at the output end of the fan 31. Two air outlet pipes 33 are fixedly sleeved on the inner side of one end of the L-shaped square tube 32. One end of the two air outlet pipes 33 passes through the side wall of the housing 1 and extends into the interior of the housing 1. Several nozzles 34 are threaded on the surface of the air outlet pipes 33. L-shaped air pipes 35 are fixedly sleeved on both sides of the L-shaped square tube 32. A dustproof tube 36 is fixedly sleeved at the bottom of the L-shaped air pipe 35. The dustproof tubes 36 are respectively set above the feed inlet 11 and the discharge outlet 12. An air outlet groove is opened at the bottom of the dustproof tube 36. A U-shaped frame 4 is provided between the feed roller 22 and the first guide roller 25, and ultraviolet lamps 6 are symmetrically provided on the inner side of the U-shaped frame 4.

[0023] Specifically, the label paper enters the box 1 through the feed inlet 11 and is first pulled into the interior by the feed roller 22. After passing through the first guide roller 25 and the second guide roller 26, the label paper is tilted inside the box 1. The ultraviolet lamp 6 between the feed roller 22 and the first guide roller 25 is turned on to pre-cur the two sides of the label paper. Start the fan 31 to draw in external air and deliver it through the L-shaped square tube 32 to the two air outlet tubes 33. Finally, the air is sprayed out through the nozzle 34 in the form of a high-speed airflow, which can simultaneously deliver air to both sides of the label paper to achieve double-sided synchronous drying, accelerate the evaporation of solvent in the ink, ensure complete curing of the ink, and improve the overall drying efficiency and ink curing quality. At the same time, the L-shaped air duct 35 introduces part of the airflow into the dustproof duct 36 and blows it out from the air outlet at its bottom end, forming an air curtain at the inlet 11 and outlet 12 to block external dust from entering the box 1, thereby improving product quality. It can also pre-dry the label paper that has just entered the device and perform secondary drying on the label paper that is about to be discharged, reducing the drying blind zone and improving the overall drying efficiency and ink curing quality. This design first uses ultraviolet lamp 6 for initial curing, and then uses cold air to achieve simultaneous drying on both sides, which improves the overall drying efficiency and ink curing quality. The dustproof tube 36 forms an air curtain at the inlet 11 and outlet 12, which effectively blocks external dust from entering the box 1. It can also pre-dry the label paper that has just entered the device and perform secondary drying on the label paper that is about to be discharged, reducing drying blind spots and ensuring drying uniformity.

[0024] In a further embodiment, a fixed seat 51 is symmetrically installed on the inner wall of the box 1, and a dovetail block 41 is fixedly connected to both the upper and lower ends of the U-shaped frame 4. The dovetail block 41 is fitted into the dovetail groove at the top of the fixed seat 51. One end of the U-shaped frame 4 is fixedly connected to a limit block 52, and one side of the box body 1 is fixedly connected to a fixing block 53. A locking rod 54 is slidably connected inside the fixing block 53. One end of the locking rod 54 is fixedly connected to a pull plate 55, and the other end of the locking rod 54 is fitted into the groove inside the limiting block 52. A spring 56 is fitted on the outer surface of the lever 54, and the two ends of the spring 56 are connected to one side of the pull plate 55 and the other side of the fixing block 53, respectively.

[0025] Specifically, when the ultraviolet lamp 6 needs maintenance, pull the pull plate 55 outward. The pull plate 55 drives the locking rod 54 to move outward against the elastic force of the spring 56, so that the end of the locking rod 54 disengages from the slot of the limiting block 52, releasing the lock on the U-shaped frame 4. Then, grasp the handle at one end of the U-shaped frame 4 and slide it horizontally outward along the dovetail groove of the fixing seat 51 to pull it out of the box 1, thereby pulling out the ultraviolet lamp 6 for maintenance. This design, through the mechanical locking structure of the limiting mechanism 5, allows for the disassembly and assembly of the U-shaped frame 4 without the need for tools such as wrenches and screwdrivers, thereby enabling rapid maintenance of the ultraviolet lamp 6 and significantly shortening maintenance time.

[0026] In a further embodiment, a motor 21 is fixedly mounted on the other side of the housing 1 via a mounting bracket. The output shaft of the motor 21 is fixedly sleeved with the drive shaft of the feed roller 22. The drive shaft of the feed roller 22 is rotatably connected to the discharge roller 24 via a sprocket drive assembly 23.

[0027] Specifically, after the motor 21 starts, the output shaft drives the feed roller 22 to rotate. The surface of the feed roller 22 contacts the label paper, and the label paper is pulled from the feed port 11 into the box 1 by friction. The drive shaft of the feed roller 22 drives the discharge roller 24 to rotate synchronously through the sprocket drive assembly 23, so that the discharge roller 24 and the feed roller 22 maintain the same direction and speed. Under the bidirectional traction of the feed roller 22 and the discharge roller 24, the label paper passes through the first guide roller 25 and the second guide roller 26 in sequence, and is finally sent out from the discharge port 12.

[0028] It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of protection of this utility model. Furthermore, it should be understood that after reading the technical description of this utility model, those skilled in the art can make various alterations, modifications, and / or variations to this utility model, and all such equivalent forms also fall within the scope of protection defined by the appended claims.

Claims

1. A low-temperature curing and drying apparatus for ink used in label printing, comprising a housing (1), characterized in that: The box (1) has a feed inlet (11) on one side and a discharge outlet (12) on the other side. A feed roller (22) is rotatably connected to the inner wall of the box (1) near the feed inlet (11). A first guide roller (25) is provided below the feed roller (22). A discharge roller (24) is rotatably connected to the inner wall of the box (1) near the discharge outlet (12). A second guide roller (26) is provided above the discharge roller (24). The box (1) includes a conveying mechanism (2), a drying mechanism (3), and a limiting mechanism (5). A fan (31) is fixedly installed at the top of the box (1). An L-shaped square tube (32) is fixedly sleeved at the output end of the fan (31). Two air outlet pipes (33) are fixedly sleeved on the inner side of one end of the L-shaped square tube (32). One end of the two air outlet pipes (33) passes through the side wall of the box (1) and extends into the inside of the box (1). Several nozzles (34) are threaded on the surface of the air outlet pipes (33). Both sides of the L-shaped square tube (32) are fixedly fitted with L-shaped air supply pipes (35), and the bottom end of the L-shaped air supply pipe (35) is fixedly fitted with a dustproof pipe (36). The dustproof pipe (36) is respectively set above the feed inlet (11) and the discharge outlet (12), and the bottom end of the dustproof pipe (36) is provided with an air outlet groove.

2. A low temperature curing drying device for ink used in printing of label paper according to claim 1, characterized in that: The inner wall of the box (1) is symmetrically equipped with a fixed seat (51), and a U-shaped frame (4) is provided between the feed roller (22) and the first guide roller (25). Ultraviolet lamps (6) are symmetrically provided on the inner side of the U-shaped frame (4).

3. A low temperature curing drying device for ink used in printing of label paper according to claim 2, characterized in that: The U-shaped frame (4) is fixedly connected to dovetail blocks (41) at both the upper and lower ends, and the dovetail blocks (41) are fitted into the dovetail groove at the top of the fixed base (51).

4. A low temperature curing drying device for ink used in printing of label paper according to claim 2, characterized in that: One end of the U-shaped frame (4) is fixedly connected to a limiting block (52), and one side of the box (1) is fixedly connected to a fixing block (53).

5. A low temperature curing drying device for ink used in printing of label paper according to claim 4, characterized in that: The fixing block (53) has a sliding connection to a locking rod (54), one end of which is fixedly connected to a pull plate (55), and the other end of which is fitted into the groove inside the limiting block (52).

6. The low-temperature curing and drying apparatus for label paper printing ink according to claim 5, characterized in that: A spring (56) is fitted on the outer surface of the lever (54), and the two ends of the spring (56) are connected to one side of the pull plate (55) and one side of the fixing block (53), respectively.

7. A low temperature curing drying device for ink used in printing of label paper according to claim 1, characterized in that: On the other side of the housing (1), a motor (21) is fixedly installed by a mounting bracket. The output shaft of the motor (21) is fixedly sleeved with the drive shaft of the feed roller (22). The drive shaft of the feed roller (22) is rotatably connected to the discharge roller (24) through the sprocket drive assembly (23).

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