A paper printing dryer

Abstract

This application relates to a paper printing dryer, comprising: a support frame; two side plates disposed opposite to each other at the top of the two support frames; a conveyor disposed between the two side plates; the conveyor including a conveyor belt with multiple ventilation holes; a drying chamber disposed between the tops of the two side plates; multiple sets of drying pipes disposed inside the drying chamber; and an air supply unit disposed on the drying chamber; and an adsorption mechanism comprising a housing disposed between the two side plates; multiple exhaust fans disposed inside the housing. This application, through the combined use of the drying chamber, the air supply unit, and the multiple sets of drying pipes, can comprehensively and efficiently dry the ink on paper products. The negative pressure generated by the exhaust fans of the adsorption mechanism adsorbs the paper products through the ventilation holes, effectively preventing the edges of the paper products from turning over due to gas blowing, thus improving the quality of the printed products.

Description

Technical Field

[0001] This application relates to the field of paper printing technology, and in particular to a paper printing dryer. Background Technology

[0002] In the paper printing industry, printed paper products need to be dried promptly and effectively to fix the ink, prevent ink smudging or peeling, and thus ensure the clarity of the printed pattern and the vibrancy of the colors.

[0003] Currently, most existing paper product printing drying equipment uses gas drying, which involves using hot air to blow on the printed paper products to accelerate the evaporation of solvents in the ink and achieve the drying purpose.

[0004] However, in actual use, when drying gas is blown onto the surface of paper products, the gas's flow rate and pressure exert a force on the paper. This force is unevenly distributed on the paper surface, especially at the edges. Due to the lack of sufficient support and fixation, the gas is more likely to cause the paper edges to flip. When the edges of the paper flip, the incompletely dried ink is easily scratched by adjacent parts or the paper itself, thus affecting the quality of the printed product.

[0005] Specifically, during the printing process, ink needs a certain amount of time to fully dry and cure. During the gas drying stage, if the edges of the paper product are turned over, the undried ink will come into contact with other objects, causing the ink to be rubbed off or blurred. This results in problems such as incomplete or unclear printed patterns, reducing the product's pass rate and increasing production costs.

[0006] To address the aforementioned problems, a paper printing dryer is now designed. Utility Model Content

[0007] This application provides a paper printing dryer to solve the problem in existing paper printing drying equipment in the related art that when drying gas is blown on the surface of paper products, the edges of the paper products are easily flipped, and the ink that is not completely dried is easily scratched by adjacent parts or the paper products themselves, affecting the quality of the printed products.

[0008] In a first aspect, a paper printing dryer is provided, comprising:

[0009] A support frame has two side plates positioned opposite each other at the top of the two support frames. A conveyor is provided between the two side plates. The conveyor includes a conveyor belt with multiple ventilation holes. A drying chamber is provided between the tops of the two side plates. The drying chamber contains multiple sets of drying pipes. An air supply unit is also provided on the drying chamber. The air supply unit is used to supply air to the drying pipes. The drying pipes are used to dry the printed paper.

[0010] It also includes an adsorption mechanism, which includes a housing disposed between two side plates, located below the conveyor belt, and a plurality of exhaust fans disposed inside the housing. The exhaust fans are used to extract the gas after the paper products are dried by the drying tube and adsorb the paper products.

[0011] In some embodiments, the conveyor includes a drive roller rotatably disposed between two side plates, a conveyor belt drive disposed between the two drive rollers, a drive motor and a reducer disposed on one side plate, the output shaft of the drive motor being connected to the input shaft of the reducer, and the output shaft of the reducer being connected to one end of either drive roller.

[0012] In some embodiments, the drying chamber is hollow inside and has an open bottom, with a cover plate located on both sides of the drying chamber between the tops of the two side plates.

[0013] In some embodiments, a plurality of the drying tubes are distributed along the length of the drying chamber;

[0014] The drying pipe includes an air supply pipe installed inside the drying chamber, and multiple jet pipes installed on the air supply pipe.

[0015] In some embodiments, the air supply unit includes a main pipe and a fan installed on the drying chamber, the exhaust pipe of the fan being connected to the main pipe, and the air inlet pipe of the fan being connected to a heating tank.

[0016] One end of the gas transmission pipe is connected to the main pipeline.

[0017] In some embodiments, the heating tank includes a tank body, a plurality of heating wires are disposed inside the tank body, an air inlet pipe is disposed at one end of the tank body, and a filter screen is disposed inside the air inlet pipe.

[0018] In some embodiments, a plurality of fixing plates are provided between the two side plates, the fixing plates are connected to the side wall of the housing, and the housing is connected to an exhaust pipe for discharging gas from inside the housing.

[0019] This application provides a paper printing dryer. Through the combined use of a drying chamber, an air supply unit, and multiple sets of drying tubes, it can comprehensively and efficiently dry the ink on paper products, ensuring that the ink cures quickly and uniformly. At the same time, the negative pressure generated by the exhaust fan of the adsorption mechanism adsorbs the paper products through the air holes on the conveyor belt, keeping them flat throughout the drying process. This effectively avoids the edges of the paper products from turning over due to gas blowing, prevents undried ink from being scratched, and improves the quality of the printed products.

[0020] By using an exhaust fan to promptly remove gases containing solvent volatiles generated during the drying process, the accumulation of harmful gases inside the equipment is reduced, thus lowering the health hazards to operators and improving the working environment around the equipment. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 A three-dimensional structural illustration provided for an embodiment of this application. Figure 1 ;

[0023] Figure 2 A three-dimensional structural illustration provided for an embodiment of this application. Figure 2 ;

[0024] Figure 3 A rear sectional view provided for an embodiment of this application;

[0025] Figure 4 This is a three-dimensional schematic diagram of the connection structure of the support, conveyor and housing provided in the embodiments of this application;

[0026] Figure 5 This is a right sectional view provided for an embodiment of this application.

[0027] In the diagram: 1. Support frame; 2. Side plate; 3. Conveyor; 31. Conveyor belt; 311. Vent hole; 32. Drive roller; 33. Drive motor; 34. Reducer; 4. Drying chamber; 41. Drying pipe; 411. Air supply pipe; 412. Air jet pipe; 42. Air supply unit; 421. Main pipeline; 422. Fan; 423. Heating tank; 5. Adsorption mechanism; 51. Shell; 52. Exhaust fan; 53. Air outlet pipe; 6. Cover plate; 7. Fixing plate. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0029] This application provides a paper printing dryer that solves the problem in existing paper printing drying equipment in the related art that, when drying gas is blown onto the surface of paper products, the edges of the paper products are easily flipped, and the ink that is not completely dried is easily scratched by adjacent parts or the paper products themselves, affecting the quality of the printed products.

[0030] Please see Figures 1-3 A paper printing dryer includes: a support frame 1; two side plates 2 disposed opposite to each other at the top of the two support frames 1; a conveyor 3 disposed between the two side plates 2; the conveyor 3 includes a conveyor belt 31 with multiple ventilation holes 311; a drying chamber 4 disposed between the tops of the two side plates 2; multiple sets of drying pipes 41 disposed inside the drying chamber 4; and an air supply unit 42 disposed on the drying chamber 4 for supplying air to the drying pipes 41 for drying the printed paper; and an adsorption mechanism 5 including a housing 51 disposed between the two side plates 2, the housing 51 being located below the conveyor belt 31; and multiple exhaust fans 52 disposed inside the housing 51 for extracting the gas from the drying pipes 41 after drying the paper and adsorbing the paper.

[0031] After printing, the paper products are conveyed forward by the conveyor belt 31 of the conveyor 3. The air supply unit 42 works to distribute the drying gas into each drying tube 41. Then, the drying gas is evenly sprayed onto the paper products passing below to dry the ink on the paper products.

[0032] At the same time, multiple exhaust fans 52 inside the housing 51 start to work, generating negative pressure. On the one hand, the exhaust fans 52 extract the gas containing solvent volatiles after the drying tube 41 dries the paper products and extract the waste gas after drying together, and discharge it from the equipment through the exhaust pipe 53 to avoid these gases accumulating in the equipment and affecting the drying effect.

[0033] On the other hand, since multiple ventilation holes 311 are provided on the conveyor belt 31, the negative pressure generated by the exhaust fan 52 will act on the paper product through the ventilation holes 311, which will adsorb the paper product and make it stick tightly to the conveyor belt 31, preventing the paper product from turning over due to the blowing of gas during the drying process, and ensuring the stability of the drying process.

[0034] By using the drying chamber 4, the air supply unit 42, and multiple drying tubes 41 in combination, the ink on paper products can be dried comprehensively and efficiently, ensuring that the ink cures quickly and evenly. At the same time, the negative pressure generated by the exhaust fan 52 of the adsorption mechanism 5 adsorbs the paper products through the air holes 311 on the conveyor belt 31, keeping them flat throughout the drying process. This effectively avoids the problem of paper product edges turning over due to gas blowing, prevents undried ink from being scratched, and improves the quality of printed products.

[0035] The exhaust fan 52 promptly removes gases containing solvent volatiles generated during the drying process from the equipment, reducing the accumulation of harmful gases inside the equipment, lowering the health hazards to operators, and improving the working environment around the equipment.

[0036] like Figure 1 and Figure 4 As shown, in one embodiment, the conveyor 3 includes a drive roller 32 that is rotatably disposed between two side plates 2, and a conveyor belt 31 is driven between the two drive rollers 32. A drive motor 33 and a reducer 34 are disposed on one side plate 2. The output shaft of the drive motor 33 is connected to the input shaft of the reducer 34, and the output shaft of the reducer 34 is connected to one end of any drive roller 32.

[0037] In actual use, after the drive motor 33 starts, its output shaft begins to rotate, transmitting power to the reducer 34. The reducer 34 reduces and increases the torque of the power. The reduced power is transmitted to the drive roller 32 through the output shaft of the reducer 34, driving the drive roller 32 to rotate. The rotation of the drive roller 32 drives the conveyor belt 31 to circulate on it. The paper products on the conveyor belt 31 are conveyed with the movement of the conveyor belt 31 and then dried in the drying area.

[0038] like Figure 3 As shown, the drying chamber 4 in this embodiment is hollow inside and has an open bottom. A cover plate 6 is provided between the tops of the two side plates 2 on both sides of the drying chamber 4.

[0039] The hollow structure inside the drying chamber 4 provides installation space for components such as the drying tube 41, facilitating the rational layout of the drying tube 41 within the drying chamber 4.

[0040] The bottom of the drying chamber 4 is open to cooperate with the conveyor belt 31, so that the drying gas can directly act on the paper products conveyed on the conveyor belt 31, ensuring that the drying gas and the paper products are in full contact, thereby improving drying efficiency and quality.

[0041] The main function of the cover plate 6 is to seal the space on both sides of the drying chamber 4 to prevent the drying gas from leaking from both sides of the drying chamber 4 during the drying process. This helps to improve the utilization rate of the drying gas, allowing more drying gas to be concentrated on the paper products and enhance the drying effect.

[0042] By reducing the leakage of drying gas through the cover plate 6, more drying gas can be applied to paper products, which accelerates the evaporation rate of solvents in ink, shortens drying time, improves production efficiency, and at the same time reduces the leakage of drying gas, thus reducing energy waste.

[0043] like Figure 2 and Figure 3 As shown, in one embodiment, a plurality of the drying pipes 41 are distributed along the length of the drying chamber 4; the drying pipe 41 includes an air supply pipe 411 disposed inside the drying chamber 4, and a plurality of jet pipes 412 disposed on the air supply pipe 411.

[0044] When the equipment is running, the air supply unit 42 sends the drying gas into the air delivery pipe 411. The drying gas flows in the air delivery pipe 411 and is then sprayed out through each jet pipe 412. Since the drying pipes 41 are distributed along the length of the drying chamber 4, as the paper products are conveyed forward on the conveyor belt 31, they will pass through the jet area of ​​each drying pipe 41 in sequence. The drying gas sprayed out by the jet pipes 412 directly acts on the surface of the paper products, accelerating the evaporation of solvents in the ink and achieving the drying purpose.

[0045] The multiple drying tubes 41 distributed along the length of the drying chamber 4 and the multiple air jets 412 on each drying tube 41 enable the drying gas to uniformly cover the entire surface of the paper product, avoiding the problem of local over- or under-drying and ensuring consistent drying quality of the printed pattern.

[0046] The distribution and structure of the drying tubes 41 have good adaptability, and paper products of various sizes can be effectively dried when passing through the drying chamber 4, thus improving the versatility of the equipment.

[0047] like Figure 2 and Figure 3 As shown, in one embodiment, the gas supply unit 42 includes a main pipe 421 and a fan 422 disposed on the drying chamber 4. The exhaust pipe of the fan 422 is connected to the main pipe 421, and the air inlet pipe of the fan 422 is connected to the heating tank 423. One end of the gas delivery pipe 411 is connected to the main pipe 421.

[0048] After the blower 422 is started, it draws in air from the outside. The air first enters the heating tank 423. Inside the heating tank 423, the air is heated to the set temperature by the heating element, becoming dry gas with a certain temperature. The heated dry gas enters the main pipe 421 through the exhaust pipe of the blower 422. Inside the main pipe 421, the dry gas is evenly distributed to each connected air delivery pipe 411. The air delivery pipe 411 delivers the dry gas to the jet pipe 412, which sprays out the dry gas, acting on the paper products on the conveyor belt 31 to achieve the drying purpose.

[0049] like Figure 3 As shown, the heating tank 423 further includes a tank body, a plurality of heating wires are provided inside the tank body, an air inlet pipe is provided at one end of the tank body, and a filter screen is provided inside the air inlet pipe.

[0050] When the fan 422 is started, outside air enters the heating tank 423 through the air intake pipe. Before entering the tank, the air first passes through the filter screen inside the air intake pipe. The filter screen intercepts dust, impurities and other particulate matter in the air, allowing clean air to enter the tank.

[0051] The air entering the tank comes into contact with the heating wire. When the heating wire is energized, it generates heat and transfers the heat to the air, raising the air temperature. The heated air is discharged from the outlet of the heating tank 423, enters the exhaust pipe of the fan 422, and is finally transported to the drying chamber 4 to dry the paper products.

[0052] The filter inside the air inlet pipe can effectively filter impurities in the air, preventing them from entering the heating tank 423, ensuring the quality of the dry gas, and preventing impurities from contaminating paper products.

[0053] By controlling the power and number of heating wires, the heating temperature can be easily adjusted to meet the drying temperature requirements of different paper products and ink types, thus improving the versatility and adaptability of the equipment.

[0054] like Figure 4 and Figure 5 As shown, in this embodiment, a plurality of fixing plates 7 are provided between the two side plates 2. The fixing plates 7 are connected to the side wall of the housing 51. The housing 51 is connected to an exhaust pipe 53, which is used to discharge the gas inside the housing 51.

[0055] During the drying process, the gas from the dried paper products enters the drying chamber 4. The gas is then drawn into the housing 51 by the exhaust fan 52 and subsequently discharged to external waste gas treatment equipment or designated emission areas through the exhaust pipe 53.

[0056] The shell 51 is kept stable by the fixing plate 7, ensuring that the adsorption process can proceed normally and continuously.

[0057] In the description of this application, it should be noted that the terms "upper," "lower," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Unless otherwise expressly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication between two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0058] It should be noted that in this application, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0059] The above description is merely a specific embodiment of this application, enabling those skilled in the art to understand or implement this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims

1. A paper printing dryer, comprising: A support (1) has two side plates (2) arranged opposite to each other at the top of the two supports (1). A conveyor (3) is arranged between the two side plates (2). The conveyor (3) includes a conveyor belt (31) with multiple ventilation holes (311) on the conveyor belt (31). The dry chamber (4) is arranged between the tops of the two side plates (2). The dry chamber (4) is provided with multiple sets of drying pipes (41). The dry chamber (4) is also provided with an air supply unit (42). The air supply unit (42) is used to supply air to the drying pipes (41). The drying pipes (41) are used to dry the printed paper. It also includes an adsorption mechanism (5), which includes a housing (51) disposed between two side plates (2), the housing (51) being located below the conveyor belt (31), and a plurality of exhaust fans (52) being disposed inside the housing (51). The exhaust fans (52) are used to extract the gas after the drying tube (41) dries the paper products and adsorb the paper products.

2. The paper printing dryer as described in claim 1, characterized in that: The conveyor (3) includes a drive roller (32) that is rotatably disposed between two side plates (2), and a conveyor belt (31) is driven between the two drive rollers (32). A drive motor (33) and a reducer (34) are disposed on one side of the side plate (2). The output shaft of the drive motor (33) is connected to the input shaft of the reducer (34), and the output shaft of the reducer (34) is connected to one end of any drive roller (32).

3. The paper printing dryer as described in claim 1, characterized in that: The drying chamber (4) is hollow inside and has an open bottom. A cover plate (6) is provided between the tops of the two side plates (2) on both sides of the drying chamber (4).

4. A paper printing dryer as described in claim 1, characterized in that: The plurality of drying tubes (41) are distributed along the length of the drying chamber (4); The drying pipe (41) includes an air supply pipe (411) disposed inside the drying chamber (4), and a plurality of jet pipes (412) disposed on the air supply pipe (411).

5. A paper printing dryer as described in claim 4, characterized in that: The gas supply unit (42) includes a main pipe (421) and a fan (422) installed on the drying chamber (4). The exhaust pipe of the fan (422) is connected to the main pipe (421), and the air inlet pipe of the fan (422) is connected to the heating tank (423). One end of the gas transmission pipe (411) is connected to the main pipeline (421).

6. A paper printing dryer as described in claim 5, characterized in that: The heating tank (423) includes a tank body, inside which are provided a plurality of heating wires, and at one end of the tank body is provided an air inlet pipe, inside which is provided a filter screen.

7. A paper printing dryer as described in claim 1, characterized in that: Multiple fixing plates (7) are provided between the two side plates (2). The fixing plates (7) are connected to the side wall of the housing (51). An air outlet pipe (53) is connected to the housing (51) and is used to discharge the gas inside the housing (51).

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