Printing machine drying device

Abstract

The utility model belongs to the field of printing and technology, and particularly relates to a printing machine drying device which comprises a printing machine body. A base is arranged at an outlet of the printing machine body, a groove is formed in the upper portion of the base, rotating rollers are arranged in the two ends of the groove and rotate in a matched mode through a conveying belt, a plurality of air outlet holes are formed in the surface of the conveying belt in an array mode, and a plurality of air inlets are formed in the top of the drying box in an array mode. Air inlet pipes are fixedly installed on the air inlets, fans are fixedly installed in the upper ends of the air inlet pipes, electric heating wires are arranged below the fans and fixedly installed in the air inlet pipes, a plurality of air guide pipes are arranged on one side of the upper portion of the drying plate in parallel and fixedly connected to the outer side of the upper end of the drying box, and the other ends of the air guide pipes are fixedly connected to one side of the base; the groove is communicated with the groove; the multiple air outlet holes are formed in the conveying belt, and the draught fan and the electric heating wire in the drying box are combined, so that uniform drying of printed matter is achieved.

Description

Technical Field

[0001] This utility model relates to the field of printing press technology, specifically a printing press drying device. Background Technology

[0002] Printing presses are widely used in various industries such as publishing, packaging, advertising, labeling, and ticketing. Especially in the packaging industry, as consumers' demands for product packaging increase, the application of printing presses in packaging printing is becoming increasingly widespread.

[0003] Printing press drying equipment typically includes a hot air drying system. Fresh air enters the mixing chamber from the fresh air inlet, is heated by the heat exchanger, and then enters the drying chamber to dry the printed surface. The hot air carries away most of the solvent and is discharged from the system.

[0004] During the printing process, printed materials need to undergo drying to ensure print quality. However, existing printing press drying devices often result in uneven drying, leading to deformation, curling, or uneven coloring of the printed materials. Therefore, a new printing press drying device is proposed to address these issues. Utility Model Content

[0005] To overcome the shortcomings of existing technologies, printed materials need to undergo drying during the printing process to ensure print quality. However, existing printing press drying devices often cause problems such as deformation, curling, or uneven coloring of printed materials due to uneven drying. This utility model proposes a printing press drying device.

[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: A printing press drying device according to this utility model includes a printing press body; a base is provided at the outlet of the printing press body; a drive motor is fixedly installed on one side of the base; a groove is opened in the upper part of the base; rotating rollers are arranged in both ends of the groove; both ends of the rotating rollers are rotatably installed in the base through bearings; the rotating shaft of the drive motor is fixedly connected to one end of the rotating rollers; the rotating rollers rotate in cooperation with a conveyor belt; multiple air outlets are arrayed on the surface of the conveyor belt; a drying chamber is fixedly installed on the upper part of the base; multiple air inlets are arrayed on the top of the drying chamber; air inlet pipes are fixedly installed on each air inlet; a fan is fixedly installed in the upper end of the air inlet pipe; an electric heating wire is fixedly installed in the air inlet pipe below the fan; a drying plate is slidably installed in the upper part of the drying chamber; multiple air holes are arrayed on the drying plate; and multiple air outlets are arranged parallel to each other on one side above the drying plate. A single air guide pipe is fixedly connected to the outer side of the upper end of the drying chamber. The other end of each air guide pipe is fixedly connected to one side of the base and communicates with its groove. A bidirectional screw is provided below both ends of the drying plate. Both ends of the bidirectional screw are rotatably mounted inside the drying chamber via bearings. Positioning seats are provided on both sides of the drying chamber. Threaded holes are opened on both ends of each positioning seat. The positioning seats are slidably mounted on the bidirectional screws. Multiple sliding holes are arrayed on the top of the positioning seats, and sliding rods are slidably installed in each of the sliding holes. Mounting seats are fixedly installed at the lower ends of each sliding rod. Multiple rollers are rotatably mounted in an array within the mounting seats. An adjusting motor is fixedly installed on one side of the drying chamber. The rotating shaft of the adjusting motor is fixedly connected to one end of the bidirectional screw. By setting multiple air outlets arrayed on the conveyor belt, combined with the air inlet on the top of the drying chamber and the fan and electric heating wire inside the air inlet pipe, hot air is evenly distributed on the surface of the printed matter, ensuring uniform heating of the printed matter during the drying process.

[0007] Preferably, a groove is provided on one side of the upper end of the air inlet pipe, and a dustproof net is slidably installed in the groove. By setting the dustproof net, impurities in the air entering the drying device can be effectively filtered, thus maintaining the quality of the printed matter.

[0008] Preferably, cylinders are fixedly installed at the top of both ends of the drying chamber, and the piston rods of the cylinders are fixedly connected to the upper parts of both ends of the drying plate. By controlling the extension and retraction of the cylinders, the distance between the drying plate and the printed matter can be adjusted to further optimize the drying effect.

[0009] Preferably, each of the two-way screws passes through the drying chamber at the same end and is fixedly mounted with a rotating wheel. The rotating wheels rotate in coordination with each other via a belt. The rotation of the rotating wheels via the belt drives the two-way screw to rotate synchronously. The distance between the two positioning seats can be adjusted according to the width of the printed matter to accommodate printed matter of different widths.

[0010] Preferably, multiple springs are arranged parallel to each other between the positioning seat and the mounting seat. The springs are slidably mounted on the slide rod. By setting the springs, the rollers can clamp the two sides of the printed matter of different thicknesses to prevent the printed matter from shifting during the movement.

[0011] Preferably, an exhaust pipe is fixedly installed on one side of the drying chamber, and multiple dustproof blades are vertically arranged inside the outlet end of the exhaust pipe. Both ends of the dustproof blades are rotatably installed inside the exhaust pipe. By setting the dustproof blades, dust or impurities can be effectively prevented from entering the exhaust pipe, thus maintaining a clean drying environment.

[0012] The advantages of this utility model are:

[0013] 1. This utility model achieves uniform distribution and efficient utilization of hot air on the surface of the printed matter during the printing process. After the printing press completes its printing task, the printed matter is conveyed onto a conveyor belt on the base. The drive motor is started, driving the rotating rollers and conveyor belt to rotate and send the printed matter into the drying chamber. At the same time, the fan and electric heating wire are started. The fan draws in external air through the air inlet pipe, filters it through the dust screen, and then enters the air inlet pipe. After being heated by the electric heating wire, it becomes hot air. The hot air enters the drying chamber through the air inlet and acts on the surface of the printed matter through the air holes of the drying plate. Meanwhile, the cylinder adjusts the height of the drying plate according to the thickness of the printed matter, and the bidirectional screw and rotating wheel adjust the distance of the positioning seat according to the width of the printed matter. With the continuous movement of the conveyor belt and the continuous circulation of hot air, the printed matter is gradually dried. Finally, the dried hot air is discharged through the exhaust pipe. At the same time, the dustproof blades prevent dust or impurities from entering the exhaust pipe. This structural design achieves the function of uniform distribution and efficient utilization of hot air on the surface of the printed matter, solving the problem that the printed matter needs to undergo drying treatment during the printing process to ensure printing quality. However, existing printing press drying devices often cause problems such as deformation, curling, or uneven coloring of printed materials due to uneven drying. Significantly improving the drying uniformity of printed materials can effectively reduce product quality problems caused by uneven drying and improve overall printing quality and production efficiency. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art 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.

[0015] Figure 1 A schematic diagram of one side of the drying unit of a printing press;

[0016] Figure 2This is a schematic diagram of the other side of the drying unit of a printing press.

[0017] Figure 3 This is a schematic diagram of the internal structure of the upper part of the drying oven;

[0018] Figure 4 This is a schematic diagram of the overall structure of the conveying device;

[0019] Figure 5 This is a schematic diagram of the internal structure of the base.

[0020] In the diagram: 1. Printing press body; 2. Base; 3. Drying oven; 4. Air inlet pipe; 5. Dustproof net; 6. Fan; 7. Electric heating wire; 8. Cylinder; 9. Drying plate; 10. Air guide pipe; 11. Positioning seat; 12. Bidirectional screw; 13. Slide rod; 14. Spring; 15. Mounting seat; 16. Roller; 17. Adjusting motor; 18. Rotating wheel; 19. Belt; 20. Exhaust pipe; 21. Dustproof blade; 22. Rotating roller; 23. Conveyor belt; 24. Drive motor. Detailed Implementation

[0021] 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 scope of protection of the present utility model.

[0022] Please see Figure 1-5As shown, a printing press drying device includes a printing press body 1; a base 2 is provided at the outlet of the printing press body 1, a drive motor 24 is fixedly installed on one side of the base 2, a groove is formed in the upper part of the base 2, and rotating rollers 22 are provided in both ends of the groove. The two ends of the rotating rollers 22 are rotatably installed in the base 2 through bearings. The rotating shaft of the drive motor 24 is fixedly connected to one end of the rotating rollers 22. The rotating rollers 22 are rotated in cooperation with each other through a conveyor belt 23. Multiple air outlets are arrayed on the surface of the conveyor belt 23. A drying chamber 3 is fixedly installed on the upper part of the base 2, and multiple air inlets are arrayed on the top of the drying chamber 3. Air inlet pipes 4 are fixedly installed on each air inlet. A fan 6 is fixedly installed in the upper end of the air inlet pipe 4. An electric heating wire 7 is fixedly installed in the air inlet pipe 4 below the fan 6. A drying plate 9 is slidably installed in the upper end of the drying chamber 3. An array of air outlets is arrayed on the drying plate 9. The drying chamber 3 is equipped with multiple air holes. Multiple air guide pipes 10 are arranged parallel to each other on one side of the drying plate 9 and fixedly connected to the outer side of the upper end of the drying chamber 3. The other end of each air guide pipe 10 is fixedly connected to one side of the base 2 and communicates with its groove. Bidirectional screws 12 are provided below both ends of the drying plate 9. Both ends of the bidirectional screws 12 are rotatably mounted inside the drying chamber 3 via bearings. Positioning seats 11 are provided on both sides of the drying chamber 3. Threaded holes are provided on both ends of each positioning seat 11. The positioning seats 11 are slidably mounted on the bidirectional screws 12. Multiple sliding holes are arrayed on the top of the positioning seats 11, and sliding rods 13 are slidably mounted in each sliding hole. Mounting seats 15 are fixedly mounted at the lower end of each sliding rod 13. Multiple rollers 16 are rotatably mounted in an array within the mounting seats 15. An adjusting motor 17 is fixedly mounted on one side of the drying chamber 3. The rotating shaft of the adjusting motor 17 is fixedly connected to one end of the bidirectional screws 12.During operation, after the printing press body 1 completes the printing task, the printed matter is conveyed onto the conveyor belt 23 on the base 2. The drive motor 24 is started, driving the bidirectional screw 12 to rotate. Simultaneously, the bidirectional screw 12 drives the rotating wheel 18 to rotate. When the rotating wheel 18 rotates, the belt 19 drives another rotating wheel 18 to rotate synchronously, further driving the bidirectional screw 12 to rotate. The rotation of the bidirectional screw 12 causes the positioning seats 11 to slide on the slide rod 13, thereby adjusting the distance between the positioning seats 11. The cylinder 8 is activated, and its piston rod extends and retracts, flexibly adjusting the distance between the drying plate 9 and the conveyor belt 23. The drive motor 24 is started, driving the rotating roller 22 and the conveyor belt 23 to rotate to accommodate printed matter of different widths. The printed matter is fed into the drying chamber 3 via the conveyor belt 23 and rollers 16 in the mounting base 15. The fan 6 and electric heating wire 7 are activated. The fan 6 draws in outside air through the air inlet pipe 4, which, after being filtered by the dust filter 5, enters the air inlet pipe 4. The air is then heated by the electric heating wire 7 to form hot air. This hot air enters the drying chamber 3 through the air inlet, passes through the pores of the drying plate 9, and acts on the surface of the printed matter. A portion of the hot air enters the groove of the base 2 through the air guide pipe 10, and then is blown towards the bottom of the printed matter through the air outlets on the surface of the conveyor belt 23. As the conveyor belt 23 moves continuously and the hot air circulates continuously, the printed matter is gradually dried. Finally, the dried hot air is discharged through the exhaust pipe 20, while the dust filter blades 21 prevent dust or impurities from entering the exhaust pipe 20.

[0023] Each side of the upper end of the air inlet pipe 4 is provided with a sliding groove, and a dustproof net 5 is slidably installed in the sliding groove. During operation, when printing, the fan 6 and the electric heating wire 7 are started. The fan 6 draws in external air through the air inlet pipe 4, which enters the air inlet pipe 4 after being filtered by the dustproof net 5. Then, it is heated by the electric heating wire 7 to form hot air, ensuring that the hot air entering the drying chamber 3 is pure and free of impurities, thereby avoiding contamination of the printed matter.

[0024] Cylinders 8 are fixedly installed at the top of both ends of the drying chamber 3. The piston rods of the cylinders 8 are fixedly connected to the upper parts of both ends of the drying plate 9. During operation, when the printed matter is printed, the cylinders 8 are activated, and their piston rods extend and retract, which can flexibly adjust the distance between the drying plate 9 and the conveyor belt 23, so that the drying device can adapt to printed matter of different thicknesses or materials, ensuring that hot air can act evenly and effectively on the surface of the printed matter, thereby improving drying efficiency and quality.

[0025] The bidirectional screw 12 has a rotating wheel 18 fixedly installed at the same end through the drying chamber 3. The rotating wheels 18 rotate in coordination with each other through a belt 19. During operation, when the adjusting motor 17 drives one of the rotating wheels 18 to rotate, the belt 19 will drive the other rotating wheel 18 to rotate synchronously, thereby driving the bidirectional screw 12 to rotate. The rotation of the bidirectional screw 12 will cause the positioning seat 11 to slide on the slide bar 13, thereby adjusting the distance between the positioning seats 11 to accommodate printed materials of different widths.

[0026] Multiple springs 14 are arranged parallel to each other between the positioning seat 11 and the mounting seat 15. The springs 14 are slidably mounted on the slide rod 13. During operation, when the printed matter passes through the roller 16, the springs 14 will compress and rebound appropriately according to the thickness and weight of the printed matter, thereby ensuring that the roller 16 can stably support and guide the movement of the printed matter.

[0027] An exhaust pipe 20 is fixedly installed on one side of the drying chamber 3. Multiple dustproof blades 21 are vertically arranged inside the outlet end of the exhaust pipe 20. Both ends of the dustproof blades 21 are rotatably installed inside the exhaust pipe 20. During operation, when the printed matter is being printed, the hot air circulates inside the drying chamber 3 and is eventually discharged through the exhaust pipe 20. The air flow drives the dustproof blades 21 to rotate, opening the outlet of the exhaust pipe 20.

[0028] Working principle: During the printing process, after the printing press body 1 completes the printing task, the printed matter is conveyed onto the conveyor belt 23 on the base 2. The drive motor 24 is started, driving the bidirectional screw 12 to rotate. Simultaneously, the bidirectional screw 12 drives the rotating wheel 18 to rotate. When the rotating wheel 18 rotates, the belt 19 drives another rotating wheel 18 to rotate synchronously, thereby driving the bidirectional screw 12 to rotate. The rotation of the bidirectional screw 12 causes the positioning seat 11 to slide on the slide rod 13, thereby adjusting the distance between the positioning seats 11. The cylinder 8 is started, and its piston rod extends and retracts, which can flexibly adjust the distance between the drying plate 9 and the conveyor belt 23. The drive motor 24 is started, driving the rotating roller 22 and the conveyor belt 23 to rotate to accommodate printed matter of different widths. The printed matter is fed into the drying chamber 3 by the conveyor belt 23 and the rollers 16 in the mounting base 15. The fan 6 and the electric heating wire 7 are started. The fan 6 draws in outside air through the air inlet pipe 4. After being filtered by the dust screen 5, the air enters the air inlet pipe 4 and is then heated by the electric heating wire 7 to form hot air. The hot air enters the interior of the drying chamber 3 through the air inlet and acts on the surface of the printed matter through the air holes of the drying plate 9. A portion of the hot air enters the groove of the base 2 through the air guide pipe 10 and is then blown to the bottom of the printed matter through the air outlet on the surface of the conveyor belt 23. With the continuous movement of the conveyor belt 23 and the continuous circulation of the hot air, the printed matter is gradually dried. Finally, the dried hot air is discharged through the exhaust pipe 20. At the same time, the dustproof blades 21 prevent dust or impurities from entering the interior of the exhaust pipe 20.

[0029] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0030] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A drying device for a printing press, characterized in that: The system includes a printing press body (1); a base (2) is provided at the outlet of the printing press body (1), a drive motor (24) is fixedly installed on one side of the base (2), a groove is provided in the upper part of the base (2), and rotating rollers (22) are provided in both ends of the groove. Both ends of the rotating rollers (22) are rotatably installed in the base (2) through bearings. The rotating shaft of the drive motor (24) is fixedly connected to one end of the rotating rollers (22), and the rotating rollers (22) are rotated together by a conveyor belt (23). Multiple air outlets are arrayed on the surface of the conveyor belt (23). A drying chamber (3) is fixedly installed on the upper part of the base (2). Multiple air inlets are arrayed on the top of the drying chamber (3). An air inlet pipe (4) is fixedly installed on each air inlet. A fan (6) is fixedly installed inside the upper end of the air inlet pipe (4). An electric heating wire (7) is fixedly installed inside the air inlet pipe (4) below the fan (6). A drying plate (9) is slidably installed inside the upper end of the drying chamber (3). Multiple air outlets are arrayed on the drying plate (9). The drying plate (9) has multiple air guide pipes (10) arranged parallel to each other on one side above it and fixedly connected to the outer side of the upper end of the drying box (3). The other end of each air guide pipe (10) is fixedly connected to one side of the base (2) and connected to its groove. Both ends of the drying plate (9) are provided with bidirectional screws (12). Both ends of the bidirectional screws (12) are rotatably installed in the drying box (3) through bearings. Both sides of the drying box (3) are provided with positioning seats (11). Both ends of the positioning seats (11) are provided with openings. The positioning seat (11) is slidably mounted on the bidirectional screw (12). The top of the positioning seat (11) is provided with multiple sliding holes, and each sliding hole is provided with a sliding rod (13). Each sliding rod (13) is fixedly mounted with a mounting seat (15) at its lower end. Multiple rollers (16) are arranged in an array and rotatably mounted in the mounting seat (15). An adjusting motor (17) is fixedly mounted on one side of the drying oven (3). The rotating shaft of the adjusting motor (17) is fixedly connected to one end of the bidirectional screw (12).

2. The printing press drying device according to claim 1, characterized in that: Each of the upper ends of the air intake pipe (4) is provided with a sliding groove, and a dustproof net (5) is slidably installed in the sliding groove.

3. The printing press drying device according to claim 1, characterized in that: The drying box (3) is fixedly installed with cylinders (8) at both ends of the top, and the piston rods of the cylinders (8) are fixedly connected to the upper parts of both ends of the drying plate (9).

4. A printing press drying device according to claim 1, characterized in that: The bidirectional screw (12) passes through the drying box (3) at the same end and is fixedly installed with a rotating wheel (18). The rotating wheels (18) rotate in coordination with each other through a belt (19).

5. A printing press drying device according to claim 1, characterized in that: Multiple springs (14) are arranged in parallel between the positioning seat (11) and the mounting seat (15), and the springs (14) are slidably mounted on the slide rod (13).

6. A printing press drying device according to claim 1, characterized in that: An exhaust pipe (20) is fixedly installed on one side of the drying box (3). Multiple dustproof blades (21) are vertically arranged inside the outlet end of the exhaust pipe (20). Both ends of the dustproof blades (21) are rotatably installed inside the exhaust pipe (20).

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