A drying device of a digital color printer

Abstract

The utility model discloses a kind of drying device of digital color printing machine, including digital color printing machine body, the front side outer wall of digital color printing machine body is equipped with multi-step shell, and multiple steps of multi-step shell are all arranged in digital color printing machine body side, the front side outer wall of multi-step shell is fixedly connected with centrifugal fan, the output end of centrifugal fan is commonly installed with air distribution component with the bottom of multi-step shell;The top of the single step of the bottom of multi-step shell is fixedly embedded with main inclined plate.In the utility model, through the collaborative design of multi-step shell and air distribution component, utilize single centrifugal fan and electric heating component, hot air is gradually, reasonably distributed when flowing through the inclined plate and drying pipe of different steps, to form a gradient temperature field from low temperature to high temperature on the printing material travel path automatically, effectively overcome the "false dry", color shift and material deformation defect caused by one-step baking in background technology.

Description

Technical Field

[0001] The utility model relates to the technical field of digital color printers, in particular to a drying device for a digital color printer. Background Art

[0002] As a modern precision device, digital color printers have been widely used in the printing field of various flexible materials such as garments, fabrics, and papers. The working process of a digital color printer usually includes three core links: printing, drying and rewinding. Specifically, after a material completes pattern spraying by the printing nozzle, it needs to be immediately cured by a drying mechanism arranged at the front of the digital color printer to fix the ink and prevent bleeding; subsequently, the dried material is transferred to a rewinding device at the rear of the device for neat rewinding, so as to complete the entire processing process. Therefore, the efficiency and quality of the drying link are directly related to the printing quality and production efficiency of the final product.

[0003] However, the drying mechanism equipped with existing digital color printers has obvious defects in the prior art. Currently, the commonly adopted drying methods are mostly direct-blowing or radiation drying with a single temperature field, that is, after startup, constant and uniform hot air or heat radiation directly acts on the entire width of the material. This "one-step" non-gradient drying mode, due to the lack of fine control over the evaporation process of moisture and solvent in the material and ink, is very likely to cause a series of quality problems. For example, excessively fast surface temperature rise will cause the ink on the surface layer of the material to form a film instantly, while the internal moisture cannot be discharged in time, forming the so-called "false drying" phenomenon; or it may cause color shifting and gloss change of some temperature-sensitive inks, affecting color reproduction; for thinner or heat-sensitive materials (such as some chemical fiber fabrics, special paper), continuous high-temperature baking may also cause material deformation and embrittlement.

[0004] For this reason, we propose a drying device for a digital color printer. Summary of Utility Model

[0005] The purpose of the utility model is to propose a drying device for a digital color printer to solve the disadvantages existing in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solution: a drying device for a digital color printer, comprising a digital color printer body, wherein the outer wall at the front side of the digital color printer body is provided with a multi-step housing, a plurality of steps of the multi-step housing are all arranged on one side of the digital color printer body, a centrifugal fan is fixedly connected to the outer wall at the front side of the multi-step housing, and an air distribution assembly is jointly installed at the output end of the centrifugal fan and the bottom of the multi-step housing;

[0007] An electric heating assembly is fixedly installed at the bottom of the inner surface of the multi-step housing;

[0008] A main inclined plate is fixedly embedded at the top of a single step at the bottom of the multi-step shell, and a first drying tube is installed between the main inclined plate and the multi-step shell.

[0009] The outer surface of the top single step of the multi-step housing is fixedly connected to a second drying tube on one side of the digital color printer body. The top of the remaining multiple steps of the multi-step housing is fixedly embedded with a retaining inclined plate. The multiple retaining inclined plates are all fixedly connected to a third drying tube together with the multi-step housing.

[0010] Furthermore, the air distribution assembly includes a horizontal pipe, which is fixedly connected to the output end of the centrifugal fan. Multiple diversion pipes are uniformly fixedly connected to the bottom of the horizontal pipe, and the bottom of the multiple diversion pipes are jointly fixedly connected to an air distribution pipe. Multiple air distribution ports of the air distribution pipe are fixedly connected to the bottom of the multi-step housing and are connected to the multi-step housing, which can evenly distribute the airflow generated by the centrifugal fan to the inner bottom of the multi-step housing.

[0011] Furthermore, the electric heating component includes an electric heating plate, which is fixedly connected inside the multi-step housing. The top of the electric heating plate is evenly provided with multiple through holes extending to the bottom, which facilitates airflow through the electric heating plate.

[0012] Furthermore, stainless steel mesh plates are fixedly connected to the air outlets of the first drying pipe, the second drying pipe, and multiple third drying pipes. The stainless steel mesh plates can disperse and diffuse the airflow into countless fine and uniform laminar or micro-turbulent flows, ensuring uniform airflow across the entire air outlet area, thereby achieving uniform and gentle drying.

[0013] Furthermore, two support frames are symmetrically fixedly connected to the front outer wall of the digital color printer body, and the two support frames are respectively fixedly connected to the outer wall of the adjacent side of the multi-step shell. The support frames provide support for the multi-step shell, which is beneficial to the installation of the multi-step shell.

[0014] Furthermore, the multi-step shell, the first drying tube, the second drying tube, and the multiple third drying tubes are all made of heat-insulating materials, which can reduce heat loss.

[0015] The beneficial effects of this utility model are:

[0016] In use, this invention utilizes a multi-tiered shell and air distribution assembly in a coordinated design. By employing a single centrifugal fan and electric heating element, hot air is gradually and rationally distributed as it flows through the inclined plates and drying tubes of different tiers. This automatically creates a gradual temperature field from low to high along the path of the printing material, effectively overcoming the defects of "false drying," color shift, and material deformation caused by one-step baking in the prior art. While significantly improving drying quality and ink adhesion, it also achieves intensive energy utilization, and the overall structure is simple and compact. Attached Figure Description

[0017] To more clearly illustrate the technical solution of this utility model, the drawings used in the description of the specific 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.

[0018] Figure 1 This is a schematic diagram of the overall front view of the present invention;

[0019] Figure 2 This is a partial three-dimensional structural schematic diagram of the present invention;

[0020] Figure 3 This is a partial cross-sectional view of the present invention.

[0021] The attached figures are labeled as follows:

[0022] 1. Digital color printer body; 2. Horizontal tube; 3. Centrifugal fan; 4. Multi-step housing; 5. Second drying tube; 6. Support frame; 7. Third drying tube; 8. Main inclined plate; 9. Stainless steel mesh plate; 10. First drying tube; 11. Heating plate; 12. Air distribution duct; 13. Cut-off inclined plate; 14. Through hole; 15. Diversion pipe. Detailed Implementation

[0023] 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 skilled in the art without creative effort are within the protection scope of the present utility model.

[0024] like Figures 1-3As shown, a drying device for a digital color printer is disclosed, comprising a digital color printer body 1. The front outer wall of the digital color printer body 1 is provided with a multi-step shell 4, and multiple steps of the multi-step shell 4 are arranged on one side of the digital color printer body 1. Two support frames 6 are symmetrically and fixedly connected to the front outer wall of the digital color printer body 1, and the two support frames 6 are respectively fixedly connected to the outer wall of the adjacent side of the multi-step shell 4. A centrifugal fan 3 is fixedly connected to the front outer wall of the multi-step shell 4. An air distribution assembly is installed at the output end of the centrifugal fan 3 and the bottom of the multi-step shell 4. The air distribution assembly includes a horizontal pipe 2, and the horizontal pipe 2 is fixedly interconnected with the output end of the centrifugal fan 3. Multiple diversion pipes 15 are uniformly and fixedly interconnected at the bottom of the horizontal pipe 2. The bottom of the multiple diversion pipes 15 is fixedly interconnected with an air distribution pipe 12, and multiple air distribution ports of the air distribution pipe 12 are fixedly connected to the bottom of the multi-step shell 4 and interconnected with the multi-step shell 4.

[0025] An electric heating component is fixedly installed on the bottom of the inner surface of the multi-step housing 4. The electric heating component includes an electric heating plate 11, which is fixedly connected to the inside of the multi-step housing 4. The top of the electric heating plate 11 is evenly provided with multiple through holes 14 that extend to the bottom. The electric heating plate 11 is a plate-shaped resistance heater that heats up as a whole when energized.

[0026] A main inclined plate 8 is fixedly embedded at the top of a single step at the bottom of the multi-step housing 4. A first drying pipe 10 is installed between the main inclined plate 8 and the multi-step housing 4. A second drying pipe 5 is fixedly connected to the outer surface of the single step at the top of the multi-step housing 4 on one side of the digital color printer body 1. A retaining inclined plate 13 is fixedly embedded at the top of the remaining steps of the multi-step housing 4. A third drying pipe 7 is fixedly connected to the multi-step housing 4. A stainless steel mesh plate 9 is fixedly connected to the air outlet of the first drying pipe 10, the second drying pipe 5 and the multiple third drying pipes 7. The stainless steel mesh plate 9 disperses the passing airflow into countless uniform and gentle micro-airflows, eliminating the "air knife" effect.

[0027] The multi-tiered shell 4, the first drying tube 10, the second drying tube 5, and the multiple third drying tubes 7 are all made of heat-insulating material.

[0028] Centrifugal fan 3 and heating plate 11 are electrically connected to the controller used by the digital color printer body 1, which is beneficial for controlling the overall operation.

[0029] Working principle: When the centrifugal fan 3 and the electric heating component are started, the centrifugal fan 3 runs, draws in ambient air and pressurizes it, and then sends it into the horizontal pipe 2 connected to it. The airflow is then split into multiple distribution pipes 15 and finally enters the air distribution pipe 12, and then enters the cavity of the multi-step housing 4 from the bottom.

[0030] The airflow entering the multi-tiered housing 4 first flows through the heating plate 11 fixed at the bottom of the inner cavity. The heating plate 11 is energized and heats up, heating the air passing through it. The multiple through holes 14 on the heating plate 11 not only increase the heat exchange area and improve the heat exchange efficiency, but also help to divide the large airflow into multiple small streams, making the air heated more evenly, thereby forming a stable high-temperature hot air source at the bottom of the cavity.

[0031] Driven by the air pressure provided by the centrifugal fan 3, the hot air gathered at the bottom of the multi-step shell 4 flows upward and is naturally gradient-distributed according to the different flow resistances generated by the unique multi-step structure of the multi-step shell 4: the bottom step of the multi-step shell 4 has the least flow resistance and the highest air pressure, so most of the hot air is directly intercepted by the main inclined plate 8 and then blown out through the first drying pipe 10, which performs high-temperature, high-volume impact drying on the printed material, quickly evaporating most of the free moisture on the surface of the material; the remaining hot air in the upper steps of the multi-step shell 4 flows upward. The air will encounter multiple intercepting inclined plates 13 in sequence. These intercepting inclined plates 13 intercept and guide the hot air step by step. Some of the hot air is guided by the first intercepting inclined plate 13 and blown out into the third drying pipe 7 to form the second medium-temperature enhanced drying zone. Its air volume and temperature are lower than the first zone due to the interception. A smaller portion of the hot air continues to rise and is guided by the subsequent intercepting inclined plates 13 to the upper third drying pipe 7 to form the third drying zone. The air volume and temperature here are further reduced. And so on. Finally, the smallest amount of hot air reaches the top of the multi-step shell 4 and is discharged through the second drying pipe 5 to form the final first low-temperature preheating zone.

[0032] In actual use, after printing, the printing material enters the second drying tube 5 for low-temperature preheating, then passes through multiple third drying tubes 7 for progressively enhanced drying, and then passes through the first drying tube 10 for high-temperature drying to ensure that the ink is completely cured and any residual trace moisture is evaporated. Finally, the completely dried printing material is conveyed to the winding device at the rear of the digital color printer for neat winding.

[0033] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to any specific implementation. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A drying device for a digital color printer, comprising the digital color printer body (1), characterized in that: The front outer wall of the digital color printer body (1) is provided with a multi-step shell (4), and multiple steps of the multi-step shell (4) are all set on one side of the digital color printer body (1). A centrifugal fan (3) is fixedly connected to the front outer wall of the multi-step shell (4). The output end of the centrifugal fan (3) and the bottom of the multi-step shell (4) are jointly equipped with an air distribution component. An electric heating component is fixedly installed on the bottom of the inner surface of the multi-step shell (4); The top of a single step at the bottom of the multi-step shell (4) is fixedly fitted with a main inclined plate (8), and a first drying tube (10) is installed between the main inclined plate (8) and the multi-step shell (4). The outer surface of the top single step of the multi-step housing (4) is fixedly connected to the second drying tube (5) on one side of the digital color printer body (1). The top of the remaining multiple steps of the multi-step housing (4) is fixedly embedded with a retaining inclined plate (13). The multiple retaining inclined plates (13) are all fixedly connected to the third drying tube (7) together with the multi-step housing (4).

2. The drying device for a digital color printer according to claim 1, characterized in that: The air distribution assembly includes a horizontal pipe (2), and the horizontal pipe (2) is fixedly connected to the output end of the centrifugal fan (3). Multiple branch pipes (15) are evenly fixedly connected to the bottom of the horizontal pipe (2). The bottom of the multiple branch pipes (15) is fixedly connected to the air distribution pipe (12). Multiple air distribution ports of the air distribution pipe (12) are fixedly connected to the bottom of the multi-step housing (4) and are connected to the multi-step housing (4).

3. The drying device for a digital color printer according to claim 1, characterized in that: The electric heating assembly includes an electric heating plate (11), which is fixedly connected inside the multi-step housing (4). The top of the electric heating plate (11) is evenly provided with a plurality of through holes (14) extending to the bottom.

4. The drying device for a digital color printer according to claim 1, characterized in that: Stainless steel mesh plates (9) are fixedly connected to the air outlets of the first drying pipe (10), the second drying pipe (5) and multiple third drying pipes (7).

5. The drying device for a digital color printer according to claim 1, characterized in that: The front outer wall of the digital color printer body (1) is symmetrically fixed with two support frames (6), and the two support frames (6) are respectively fixedly connected to the outer wall of the adjacent side of the multi-step shell (4).

6. The drying device for a digital color printer according to claim 1, characterized in that: The multi-tiered shell (4), the first drying tube (10), the second drying tube (5), and the multiple third drying tubes (7) are all made of heat-insulating material.

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