A high speed coating and drying oven

Abstract

The utility model discloses a high -speed coating drying box, including the box, be provided with upper layer fresh air vent, upper layer air outlet, lower layer fresh air vent and lower layer air outlet on the box, upper layer fresh air vent lower layer fresh air vent upper layer air outlet and lower layer air outlet all are provided with the mounting frame, the inside of mounting frame is equipped with adjusting mechanism, adjusting mechanism includes a first fan leaf board, a plurality of second fan leaf boards and drive shaft, the center of drive shaft is equipped with drive mechanism, and one end of drive shaft is hinged to have connecting rod, and the both sides outer wall of first fan leaf board and a plurality of second fan leaf boards all are equipped with the connecting frame. The high -speed coating drying box disclosed by the utility model has the effect that can make the hot air flow distribution of the inside of box more uniform and reasonable, improves the uniformity and efficiency effect of coating drying.

Description

Technical Field

[0001] This utility model relates to the field of coating equipment technology, and in particular to a high-speed coating drying oven. Background Technology

[0002] Coating drying ovens are key pieces of equipment in coating production, used to remove solvents or moisture from coating materials and cure the coating. They typically consist of a chamber, heating system, and ventilation system. By heating air to form a hot airflow, they evenly blow onto the coating surface to achieve efficient drying. Their performance affects coating quality, such as uniformity and adhesion. They are widely used in industries such as electronics, new energy, and packaging printing to help improve product quality and production efficiency.

[0003] Currently, most high-speed coating drying ovens use the traditional damper adjustment method, which adjusts the air volume by manually or simply by controlling the opening and closing of the damper. This method can only achieve a rough adjustment of the air volume and is difficult to perform fine air volume control according to the characteristics of different coating materials, coating speed and drying process requirements. For example, for some high-precision electronic coating materials that are extremely sensitive to changes in temperature and humidity, traditional damper regulation cannot meet their strict drying conditions, which can easily lead to defects such as uneven coating and blistering. Utility Model Content

[0004] This utility model discloses a high-speed coating drying oven, which aims to solve the technical problem that most current high-speed coating drying ovens use the traditional damper adjustment method, which adjusts the air volume by manually or simply electrically controlling the opening and closing of the damper. This method can only achieve a rough adjustment of the air volume and is difficult to achieve fine air volume control according to the characteristics of different coating materials, coating speed and drying process requirements.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A high-speed coating and drying oven includes a box body with an upper fresh air inlet, an upper exhaust air inlet, a lower fresh air inlet, and a lower exhaust air inlet. Each of the upper, lower, upper, and lower exhaust air inlets has a mounting frame. An adjustment mechanism is provided inside each mounting frame. The adjustment mechanism includes a first fan blade, multiple second fan blades, and a drive shaft. A drive mechanism is located at the center of the drive shaft, and a connecting rod is hinged to one end of the drive shaft. Connecting frames are provided on both outer walls of the first and multiple second fan blades, and limiting blocks are provided on both outer walls of the connecting frames. A limiting rod is hinged to the end of the connecting rod away from the drive shaft, and the limiting rod is hinged to one outer wall of the first and multiple second fan blades. The multiple limiting blocks are respectively connected to the inner walls of both sides of the mounting frame via bearings.

[0006] By adopting the above technical solution, the distribution of hot airflow inside the chamber can be made more uniform and reasonable, improving the uniformity and efficiency of coating and drying. Specifically, the high-speed coating and drying chamber introduces fresh air from the outside through the upper and lower fresh air inlets. After the air enters the chamber, it is heated by the upper and lower heating packs to form a hot airflow with a certain temperature. When it is necessary to adjust the airflow of the upper and lower fresh air inlets, the upper and lower exhaust vents, the drive mechanism is first used to drive the drive shaft and connecting rod to rotate. The connecting rod pushes the first and second blades to rotate around the connection point (limiting block) with the mounting frame through the limiting rod, thereby driving the first and second blades to change angle synchronously. Since the limiting rod slides up and down in the connecting frame and one end of the drive shaft slides in the arc-shaped limiting frame, the stability and accuracy of the angle adjustment of the first and second blades are ensured. By adjusting the angle of the first and second blades, the direction and flow rate of the airflow in and out of the fresh air inlet and exhaust vent are controlled.

[0007] As a further embodiment of this utility model: the bottom outer wall of the first fan blade plate, the top outer wall and the bottom outer wall of the second fan blade plate are all provided with grooves, and the second fan blade plate has a "Z" shaped structure.

[0008] By adopting the above technical solution, the grooves opened on the bottom outer wall of the first blade plate and the top and bottom outer walls of the second blade plate can fit together when the first blade plate and the second blade plate are closed. This structure can effectively prevent airflow from leaking out from the gap between the first blade plate and the second blade plate, improving the sealing performance of the housing. At the same time, the grooves can ensure that the relative position between the first blade plate and the second blade plate remains stable, preventing the first blade plate and the second blade plate from misaligning or loosening during movement.

[0009] As a further embodiment of this utility model: the driving mechanism includes a motor, which is fixedly mounted on one outer wall of the mounting frame. Two shafts are provided on one side of the mounting frame, and both shafts are connected to the outer wall of the mounting frame via bearings. A driving gear and a driven gear are fixedly connected to the outer circumference of the two shafts, respectively, and the driving gear and the driven gear mesh with each other. Mounting wheels are fixedly connected to the output shaft of the motor and the outer wall of the driving gear. Belts are sleeved on the outer walls of the two mounting wheels. A fixing rod is provided at the center of the drive shaft, and the end of the fixing rod away from the drive shaft is fixedly connected to the outer wall of the driven gear.

[0010] By adopting the above technical solution, when the motor is powered on and starts running, its output shaft will rotate according to the set speed and direction, thereby driving the mounting wheels to rotate. Since a belt is connected between the two mounting wheels, the driving gear connected to the other mounting wheel will also start to rotate under the transmission action of the belt. When the driving gear rotates, it will drive the driven gear to rotate in the opposite direction. Then the driven gear will drive the drive shaft to make a circular motion through the fixed rod. The motion of the drive shaft is further transmitted to the connecting rod, limit rod and other components connected to it, and finally realizes the adjustment of the angle of the first fan blade and the second fan blade, thereby controlling the airflow in and out of the fresh air inlet and the exhaust air outlet.

[0011] In summary, this application includes at least one of the following beneficial technical effects: 1. By adjusting the angles of the first and second fan blades, the airflow direction and flow rate of the fresh air inlet and exhaust outlet can be precisely controlled, making the hot airflow distribution inside the housing more uniform and reasonable, effectively improving the uniformity of coating drying, avoiding uneven coating drying due to local airflow differences, and ensuring stable product quality. The design of the limit rod sliding up and down in the connecting frame and the drive shaft sliding in the arc-shaped limit frame provides stable support for the angle adjustment of the first and second fan blades, ensuring a smooth adjustment process, while improving the accuracy of angle adjustment, which can meet the fine requirements of different processes for airflow.

[0012] 2. The drive mechanism adopts a transmission method in which the motor drives the mounting wheel, belt, drive gear and driven gear. The transmission is stable and can accurately transmit the rotational motion of the motor to the drive shaft, thereby realizing the stable adjustment of the angle of the first and second blades and ensuring the long-term stable operation of the equipment.

[0013] Other features and advantages of this utility model will be disclosed in detail in the following specific embodiments and accompanying drawings. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of a high-speed coating and drying oven proposed in this utility model.

[0015] Figure 2 This is a schematic diagram of the drive mechanism of a high-speed coating and drying oven proposed in this utility model.

[0016] Figure 3 This is a schematic diagram of the adjustment mechanism of a high-speed coating and drying oven proposed in this utility model.

[0017] Figure 4 This is a schematic diagram of the connecting frame structure of a high-speed coating and drying oven proposed in this utility model.

[0018] In the attached diagram: 1. Housing; 2. Lower heating pack; 3. Lower fresh air inlet; 4. Lower exhaust outlet; 5. Upper fresh air inlet; 6. Upper exhaust outlet; 7. Motor; 8. Mounting wheel; 9. Belt; 10. Drive gear; 11. Driven gear; 12. First fan blade; 13. Second fan blade; 14. Anemometer; 15. Limiting frame; 16. Connecting frame; 17. Drive shaft; 18. Limiting rod; 19. Limiting block; 20. Connecting rod. Detailed Implementation

[0019] 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.

[0020] Reference Figure 1 , Figure 3 and Figure 4 A high-speed coating and drying oven includes a box body 1. The box body 1 is provided with an upper fresh air inlet 5, an upper exhaust air inlet 6, a lower fresh air inlet 3, and a lower exhaust air inlet 4. Each of the upper fresh air inlet 5, lower fresh air inlet 3, upper exhaust air inlet 6, and lower exhaust air inlet 4 is provided with a mounting frame. An adjustment mechanism is provided inside the mounting frame. The adjustment mechanism includes a first fan blade 12, multiple second fan blades 13, and a drive shaft 17. A drive mechanism is provided at the center of the drive shaft 17. A connecting rod 20 is hinged to one end of the drive shaft 17. A connecting frame 16 is provided on both outer walls of the first fan blade 12 and multiple second fan blades 13. A limiting block 19 is provided on both outer walls of the connecting frame 16. A limiting rod 18 is hinged to the end of the connecting rod 20 away from the drive shaft 17. The limiting rod 18 is hinged to one outer wall of the first fan blade 12 and multiple second fan blades 13. Multiple limiting blocks 19 are respectively connected to the inner walls of both sides of the mounting frame through bearings.

[0021] It should be noted that the positive fan in box 1 is an explosion-proof fan, while the negative fan is a non-explosion-proof fan. The outer shells of the positive and negative fans adopt a double-layer insulation structure, with insulation material filling the space between the two layers. This ensures the safe operation of the positive and negative fans in different areas while reducing heat loss.

[0022] The mounting frame also has a limiting frame 15 on one inner wall. The limiting frame 15 has an arc-shaped structure. The end of the drive shaft 17 away from the connecting rod 20 is slidably connected to the inner wall of the limiting frame 15. When the drive mechanism drives the drive shaft 17 to move, the arc-shaped structure of the limiting frame 15 limits the movement trajectory of the drive shaft 17, so that the first fan blade 12 and multiple second fan blades 13 connected to the drive shaft 17 through the connecting rod 20 and the limiting rod 18 can rotate within a predetermined angle range, thereby controlling the opening angle of the fan blades at the fresh air inlet and the exhaust air outlet.

[0023] In the specific implementation process, an anemometer 14 is installed at the air inlet of the upper fresh air inlet 5 and the lower fresh air inlet 3, as well as at the air outlet of the upper exhaust outlet 6 and the lower exhaust outlet 4. This setting facilitates real-time monitoring of wind speed. When the wind speed is found to be inconsistent with the process requirements, the airflow can be changed by adjusting the angle of the first fan blade 12 and the second fan blade 13 through the adjustment mechanism.

[0024] For example, during the coating and drying process, the fresh air volume and exhaust volume entering chamber 1 need to be precisely adjusted according to the process requirements of different stages. This design can achieve fine-tuning of airflow, ensure uniform distribution of hot airflow inside chamber 1, and improve the uniformity and quality of coating and drying.

[0025] Specifically, the high-speed coating and drying chamber introduces fresh air from the outside through the upper fresh air inlet 5 and the lower fresh air inlet 3. After entering the chamber 1, the air is heated by the upper heating pack and the lower heating pack 2 to form a hot airflow with a certain temperature. When it is necessary to adjust the airflow of the upper fresh air inlet 5, the lower fresh air inlet 3, the upper exhaust outlet 6, and the lower exhaust outlet 4, the drive mechanism is first used to drive the drive shaft 17 and the connecting rod 20 to rotate. The connecting rod 20 pushes the first fan blade 12 and the second fan blade 13 to be limited around their connection point with the mounting frame through the limiting rod 18. The rotation of block 19 drives the first blade plate 12 and the second blade plate 13 to change angle synchronously. Since the limiting rod 18 slides up and down in the connecting frame, and one end of the drive shaft 17 slides in the arc-shaped limiting frame 15, the stability and accuracy of the angle adjustment of the first blade plate 12 and the second blade plate 13 are ensured. By adjusting the angle of the first blade plate 12 and the second blade plate 13, the direction and flow of airflow in and out of the fresh air inlet and the exhaust outlet are controlled, so that the hot airflow distribution inside the box 1 is more uniform and reasonable, and the uniformity and efficiency of coating and drying are improved.

[0026] Reference Figure 3 In a preferred embodiment, two connecting frames are provided on one inner wall of the mounting frame. The two connecting frames are distributed at equal distances in a vertical direction, and the limiting rod 18 is slidably connected to the inner wall of the connecting frames.

[0027] Specifically, when the drive mechanism drives the drive shaft 17 to move, thereby pushing the limit rod 18 through the connecting rod 20, the limit rod 18 can only move vertically along the trajectory of the connecting frame. This limiting guide enables the first fan blade 12 and the second fan blade 13 to rotate according to a predetermined angle and trajectory, thereby more accurately controlling the airflow direction and flow rate of the fresh air inlet and the exhaust outlet.

[0028] Reference Figure 3 and Figure 4 In a preferred embodiment, the bottom outer wall of the first blade plate 12, the top outer wall and the bottom outer wall of the second blade plate 13 are all provided with grooves, and the second blade plate 13 has a "Z" shaped structure.

[0029] Specifically, the grooves formed on the bottom outer wall of the first blade plate 12 and the top and bottom outer walls of the second blade plate 13 can fit together when the first blade plate 12 and the second blade plate 13 are closed. This structure can effectively prevent airflow from leaking out from the gap between the first blade plate 12 and the second blade plate 13, improving the sealing performance of the housing 1. At the same time, the grooves can ensure that the relative position between the first blade plate 12 and the second blade plate 13 remains stable, preventing the first blade plate 12 and the second blade plate 13 from becoming misaligned or loose during movement.

[0030] Reference Figure 2 In a preferred embodiment, the drive mechanism includes a motor 7, which is fixedly mounted on one outer wall of the mounting frame. Two shafts are provided on one side of the mounting frame, and both shafts are connected to the outer wall of the mounting frame via bearings. A driving gear 10 and a driven gear 11 are fixedly connected to the outer circumference of the two shafts, respectively, and the driving gear 10 and the driven gear 11 mesh with each other. Mounting wheels 8 are fixedly connected to the output shaft of the motor 7 and the outer wall of the driving gear 10. Belts 9 are sleeved on the outer walls of the two mounting wheels 8. A fixing rod is provided at the center of the drive shaft 17, and the end of the fixing rod away from the drive shaft 17 is fixedly connected to the outer wall of the driven gear 11.

[0031] Specifically, the drive mechanism includes a motor 7, which is fixedly mounted on one outer wall of the mounting frame. Two shafts are provided on one side of the mounting frame, and both shafts are connected to the outer wall of the mounting frame via bearings. A driving gear 10 and a driven gear 11 are fixedly connected to the outer circumference of the two shafts, respectively. The driving gear 10 and the driven gear 11 mesh with each other. Mounting wheels 8 are fixedly connected to the output shaft of the motor 7 and the outer wall of the driving gear 10. Belts 9 are sleeved on the outer walls of the two mounting wheels 8. A fixing rod is provided at the center of the drive shaft 17, and the end of the fixing rod away from the drive shaft 17 is fixedly connected to the outer wall of the driven gear 11.

[0032] Reference Figure 1In a preferred embodiment, the housing 1 is provided with an upper heating pack and a lower heating pack 2. Both the upper heating pack and the lower heating pack 2 are provided with a sealing structure between themselves and the inner wall of the housing 1. The sealing structure helps to form a relatively stable thermal environment inside the housing 1. During the heating process, the heat generated by the heating pack will be retained inside the housing 1 as much as possible to heat the coating material and the air inside the housing 1, thereby improving the heat utilization rate, reducing energy waste, and lowering production costs.

[0033] Working principle: This high-speed coating and drying chamber introduces fresh air from the outside through the upper fresh air inlet 5 and the lower fresh air inlet 3. After entering the chamber 1, the air is heated by the upper heating pack and the lower heating pack 2, forming a hot airflow with a certain temperature. When it is necessary to adjust the airflow of the upper fresh air inlet 5, the lower fresh air inlet 3, the upper exhaust outlet 6, and the lower exhaust outlet 4, the drive mechanism first drives the drive shaft 17 and the connecting rod 20 to rotate. The connecting rod 20 pushes the first blade plate 12 and the second blade plate 13 to be limited around their connection point with the mounting frame through the limiting rod 18. The rotation of block 19 drives the first blade plate 12 and the second blade plate 13 to change angle synchronously. Since the limiting rod 18 slides up and down in the connecting frame, and one end of the drive shaft 17 slides in the arc-shaped limiting frame 15, the stability and accuracy of the angle adjustment of the first blade plate 12 and the second blade plate 13 are ensured. By adjusting the angle of the first blade plate 12 and the second blade plate 13, the direction and flow of airflow in and out of the fresh air inlet and the exhaust outlet are controlled, so that the hot airflow distribution inside the box 1 is more uniform and reasonable, and the uniformity and efficiency of coating and drying are improved.

[0034] The above description is merely a preferred embodiment of this utility model, but the protection scope of this utility model is not limited thereto. The substitutions may be replacements of some structures, devices, or method steps, or they may be complete technical solutions. Equivalent substitutions or modifications made based on the technical solution and inventive concept of this utility model should all be covered within the protection scope of this utility model.

Claims

1. A high-speed coating and drying oven, comprising a box body (1), characterized in that, The housing (1) is provided with an upper fresh air inlet (5), an upper exhaust air inlet (6), a lower fresh air inlet (3), and a lower exhaust air inlet (4). Each of the upper fresh air inlet (5), lower fresh air inlet (3), upper exhaust air inlet (6), and lower exhaust air inlet (4) is provided with a mounting frame. The mounting frame contains an adjustment mechanism, which includes a first fan blade (12), multiple second fan blades (13), and a drive shaft (17). A drive mechanism is located at the center of the drive shaft (17), and one end of the drive shaft (17) is hinged to a... The connecting rod (20) is provided with connecting frames (16) on both sides of the outer walls of the first fan blade plate (12) and the plurality of second fan blade plates (13). The connecting frames (16) are provided with limiting blocks (19) on both sides of the outer walls. The end of the connecting rod (20) away from the drive shaft (17) is hinged to a limiting rod (18). The limiting rod (18) is hinged to one side of the outer wall of the first fan blade plate (12) and the plurality of second fan blade plates (13). The plurality of limiting blocks (19) are respectively connected to the inner walls of both sides of the mounting frame through bearings.

2. The high-speed coating and drying oven according to claim 1, characterized in that, A limiting frame (15) is also provided on one inner wall of the mounting frame. The limiting frame (15) has an arc-shaped structure. The end of the drive shaft (17) away from the connecting rod (20) is slidably connected to the inner wall of the limiting frame (15).

3. A high-speed coating and drying oven according to claim 2, characterized in that, An anemometer (14) is provided at the air inlet of the upper fresh air inlet (5) and the lower fresh air inlet (3), as well as at the air outlet of the upper exhaust outlet (6) and the lower exhaust outlet (4).

4. A high-speed coating and drying oven according to claim 1, characterized in that, Two connecting frames are provided on one inner wall of the mounting frame. The two connecting frames are distributed at equal distances in a vertical direction. The limiting rod (18) is slidably connected to the inner wall of the connecting frame.

5. A high-speed coating and drying oven according to claim 4, characterized in that, The bottom outer wall of the first fan blade (12), the top outer wall and the bottom outer wall of the second fan blade (13) are all provided with grooves, and the second fan blade (13) has a "Z" shaped structure.

6. A high-speed coating and drying oven according to claim 5, characterized in that, The drive mechanism includes a motor (7), which is fixedly mounted on one side of the outer wall of the mounting frame. Two shafts are provided on one side of the mounting frame. Both shafts are connected to the outer wall of the mounting frame by bearings. A drive gear (10) and a driven gear (11) are fixedly connected to the outer circumference of the two shafts, respectively. The drive gear (10) and the driven gear (11) mesh with each other. Mounting wheels (8) are fixedly connected to the output shaft of the motor (7) and the outer wall of the drive gear (10). Belts (9) are sleeved on the outer walls of the two mounting wheels (8). A fixing rod is provided at the center of the drive shaft (17). The end of the fixing rod away from the drive shaft (17) is fixedly connected to the outer wall of the driven gear (11).

7. A high-speed coating and drying oven according to claim 1, characterized in that, The box (1) is provided with an upper heating pack and a lower heating pack (2), and both the upper heating pack and the lower heating pack (2) are provided with a sealing structure between them and the inner wall of the box (1).

Images