A hot air drying apparatus for preventing deformation of capsules

Abstract

The utility model discloses a kind of hot air drying devices for preventing capsule deformation, including shell, the top of the shell is equipped with fixed column, the top of the fixed column is equipped with mounting plate, driving overturning assembly is provided on the mounting plate.The utility model servo motor drives rotating cylinder to rotate steadily at low speed, capsule is in cylinder with rotation natural overturning, both avoid the scratch of capsule shell, collapse caused by rigid guide plate extrusion friction in traditional spiral drying device, prevent the problem of deformation caused by accumulation pressure in fixed tray type drying, and capsule can be evenly dried by the cooperation of temperature sensor, avoid the fluctuation of hot air temperature caused by local overheating, the shell is sealed by sealing plate, avoid heat loss when drying, dust screen can filter incoming cool air, prevent dust from entering drying space with airflow Pollution capsule.

Description

Technical Field

[0001] This utility model relates to the field of capsule drying technology, specifically a hot air drying device to prevent capsule deformation. Background Technology

[0002] Drying is a crucial step in the capsule manufacturing process. Freshly formed capsules contain a high amount of moisture, which needs to be dried to bring the moisture content down to the required standard to ensure their hardness, brittleness, and stability.

[0003] According to application number CN201510551441.5, a high-efficiency spiral capsule drying device is disclosed, including a housing, a rotating shaft, a drying cylinder mounting ring, a discharge plate, a drying cylinder, a spiral guide plate, a rotating shaft motor, a conveyor belt, a hopper, an air duct expansion plate, an electric heating fan, a discharge port connecting rod, an eccentric wheel, a motor, a hinge, an electric heating fan control device, and a temperature sensor.

[0004] The drying device in the above case has unsatisfactory drying efficiency, resulting in ineffective drying of the capsules. The device relies on a single-sided electric heating fan to deliver air. After the hot air is diffused through the air duct expansion plate, it is locally concentrated in the spiral drum. The area near the fan has excessively high wind speed and temperature, causing the moisture on the capsule surface to evaporate too quickly, forming a hard shell that hinders the escape of internal moisture, resulting in a dry exterior and a damp interior. The area away from the fan has insufficient wind speed and low temperature, causing the capsules to dry slowly. Moreover, the connection between the inlet and outlet lacks an effective sealing structure, allowing cold air from the outside to easily seep in during the drying process. This not only disrupts the temperature and humidity stability inside the drum but may also introduce dust and microorganisms from the air. Therefore, we provide a hot air drying device to prevent capsule deformation. Utility Model Content

[0005] The purpose of this invention is to provide a hot air drying device to prevent capsule deformation, thereby solving the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a hot air drying device for preventing capsule deformation, comprising a housing, a fixing column mounted on the top of the housing, an mounting plate mounted on the top of the fixing column, a drive flipping assembly provided on the mounting plate, the drive flipping assembly being used to drive the capsule to flip, the drive flipping assembly being used by a hot air drying assembly, the hot air drying assembly being used to dry the capsule, and a collection connection assembly provided on the housing, the collection connection assembly being used to collect the dried capsule.

[0007] Optionally, the drive tilting assembly includes two electric push rods, each mounted on the bottom of the mounting plate. The bottom ends of the two electric push rods are fixedly connected by a sealing plate that matches the opening at the top of the housing. A recessed plate is mounted on the bottom of the sealing plate.

[0008] Optionally, a servo motor is installed on the left side of the concave plate, and a rotating cylinder is installed on the right end of the output shaft of the servo motor, which passes through the concave plate and extends to its outside. The surface of the rotating cylinder is provided with several ventilation holes, and a sealing cover is provided at the opening at the top of the rotating cylinder.

[0009] Optionally, connecting blocks are installed on both the left and right sides of the sealing cover, and fixing blocks are installed on both the left and right sides of the top of the rotating cylinder. A rotating block is provided on the side of the fixing block away from the connecting block, and a threaded rod that is threadedly connected to the fixing block is installed on the side of the rotating block close to the connecting block. A slot that matches the threaded rod is provided on the side of the connecting block close to the threaded rod.

[0010] Optionally, the hot air drying assembly includes a blower, a fixed housing, and a temperature sensor. The blower is installed on the top of the inner wall of the concave plate, and the bottom of the blower is connected to a blow nozzle via a pipe. The fixed housing is installed on the top of the sealing plate, and the left and right sides of the inner wall of the fixed housing are fixedly connected by heating wires.

[0011] Optionally, a dustproof net is provided on the top of the fixed shell, and fastening bolts that are threadedly connected to the fixed shell are provided on both the left and right sides of the top of the dustproof net. The temperature sensor is installed on the left side of the inner wall of the concave plate.

[0012] Optionally, the collecting connection assembly includes a top plate and an annular plate. The top plate is installed on the left side of the housing, and the annular plate is rotatably connected to the surface of the fixed column. An adjustment plate is installed on the left side of the annular plate and at the top of the top plate, and a collecting shell is provided on the top of the adjustment plate.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] 1. The servo motor of this utility model drives the rotating drum to rotate smoothly at a low speed. The capsules naturally tumble inside the drum as it rotates. This avoids the scratches and crushing of the capsule shell caused by the squeezing and friction of the rigid guide plate in the traditional spiral drying device, and also prevents the problem of stacking and deformation due to pressure in the fixed tray drying. In addition, with the cooperation of the temperature sensor, the capsules can be dried evenly, avoiding the temperature fluctuation of the hot air caused by local overheating. The sealing plate seals the shell to prevent heat loss during drying, and the dustproof net can filter the incoming cold air to prevent dust from entering the drying space with the airflow and contaminating the capsules.

[0015] 2. This utility model improves the sealing effect of the rotating cylinder by setting a sealing cover, so that both capsule feeding and discharging are carried out through the sealing cover. At the same time, it ensures the stability of the connection between the sealing cover and the rotating cylinder. Moreover, after drying, simply rotating the annular plate can accurately align the collection shell with the discharge port of the rotating cylinder, making it convenient to collect the dried capsules. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0017] Figure 2 This is a three-dimensional structural cross-sectional view of the present invention;

[0018] Figure 3 This is a three-dimensional cross-sectional view of the drive flipping component and the hot air drying component of this utility model;

[0019] Figure 4 This is a three-dimensional cross-sectional view of the rotating cylinder of this utility model;

[0020] Figure 5 This is a three-dimensional structural diagram of the rotating cylinder of this utility model.

[0021] In the diagram: 1. Housing; 100. Fixed column; 101. Mounting plate; 2. Drive tilting assembly; 21. Electric push rod; 22. Sealing plate; 23. Concave plate; 24. Servo motor; 25. Rotating cylinder; 26. Vent hole; 27. Sealing cover; 28. Connecting block; 29. ​​Fixed block; 210. Rotating block; 211. Threaded rod; 212. Slot; 3. Hot air drying assembly; 31. Hair dryer; 32. Fixed housing; 33. Temperature sensor; 34. Air nozzle; 35. Heating wire; 36. Dustproof net; 37. Fastening bolt; 4. Collection connection assembly; 41. Top plate; 42. Annular plate; 43. Adjusting plate; 44. Collection housing; 5. Locking block; 6. Locking groove; 7. Annular groove; 8. Annular block. Detailed Implementation

[0022] 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.

[0023] Please see Figure 1-5A hot air drying device for preventing capsule deformation includes a housing 1, which serves as the core frame of the device and is made of 304 stainless steel plate. The housing 1, together with the sealing plate 22, forms a sealed drying space to isolate external cold air and dust. A controller is installed on the front of the housing 1. The controller receives signals from the temperature sensor 33 and synchronously controls the start and stop of the electric push rod 21, the servo motor 24, the blower 31, and the heating wire 35, as well as their parameters. A fixing column 100 is installed on the top of the housing 1, and a mounting plate 101 is installed on the top of the fixing column 100. The top and bottom ends of the fixing column 100 are fixedly connected to the housing 1 and the mounting plate 101 by welding. An exhaust pipe is installed on the back of the housing 1 and communicates with it to discharge moisture. A one-way valve is installed on the exhaust pipe to prevent external gas from entering the interior of the housing 1.

[0024] The mounting plate 101 is equipped with a drive tilting assembly 2, which includes two electric push rods 21, each mounted on the bottom of the mounting plate 101. The electric push rods 21 receive signals from the controller and synchronously drive the sealing plate 22 and the concave plate 23 to rise and fall. When rising, they facilitate feeding and discharging of the rotating drum 25; when falling, they drive the sealing plate 22 to close the top opening of the housing 1. The bottom ends of the two electric push rods 21 are fixedly connected to the sealing plate 22, which is adapted to the top opening of the housing 1. The sealing plate 22 and the top opening of the housing 1 are adapted to form a sealed space when falling. The sealing plate 22 is made of 304 stainless steel. A concave plate 23 is mounted on the bottom of the sealing plate 22, and a servo motor 24 is mounted on the left side of the concave plate 23. The servo motor 24 drives the rotating cylinder 25 to rotate smoothly at a low speed of 5-15 rpm, causing the capsules to tumble naturally inside the cylinder. The right end of the output shaft of the servo motor 24 passes through the concave plate 23 and extends to the outside of which the rotating cylinder 25 is installed. The rotating cylinder 25 holds the capsules to be dried, and the surface vents 26 allow hot air to penetrate and moisture to be discharged. With the rotation of the servo motor 24, the capsules are gently tumbled. The vents 26, with a diameter of 2-3 mm, are evenly distributed to ensure that the hot air contacts the capsules 360°. The rotating cylinder 25 is made of 304 stainless steel mesh cylinder with a wire diameter of 1 mm and a hole diameter of 2-3 mm. A rotating shaft is rotatably connected to the groove on the right side of the inner wall of the concave plate 23 via a bearing. The left end of the rotating shaft is fixedly connected to the right side of the rotating cylinder 25 by welding. By setting the rotating shaft, the drying process is improved. To improve the stability of the rotating cylinder 25 during rotation, several vent holes 26 are provided on the surface of the rotating cylinder 25. A sealing cover 27 is provided at the opening at the top of the rotating cylinder 25. The side of the sealing cover 27 closest to the rotating cylinder 25 is in contact with the rotating cylinder 25, and the sealing cover 27 closes the opening at the top of the rotating cylinder 25 to prevent capsules from popping out and hot air from leaking during drying. As the only feeding and discharging port for the capsules, it ensures convenient operation. Connecting blocks 28 are installed on both the left and right sides of the sealing cover 27. Fixing blocks 29 are installed on both the left and right sides of the top of the rotating cylinder 25. A rotating block 210 is provided on the side of the fixing block 29 away from the connecting block 28. The side of the rotating block 210 closest to the fixing block 29 is in contact with the fixing block 29. A threaded rod 211, which is threaded to the fixing block 29, is installed on one side. A slot 212, adapted to the threaded rod 211, is provided on the side of the connecting block 28 near the threaded rod 211. The threaded rod 211 passes through the fixing block 29 and the slot 212 sequentially, extending into the slot 212 and contacting its inner wall. Both the slot 212 and the threaded rod 211 are circular. The rotating block 210 drives the threaded rod 211 to screw into the slot 212, thus fixing the sealing cover 27 to the rotating cylinder 25. A locking block 5 is installed at the bottom of the connecting block 28. A slot 6 is provided at the top of the rotating cylinder 25, corresponding to the position of the locking block 5. The bottom of the locking block 5 passes through the slot 6 and extends into it, contacting its inner wall.The cooperation of the locking block 5 and the locking slot 6 achieves the initial positioning of the sealing cover 27.

[0025] The drive rotation assembly 2 is used for the hot air drying assembly 3. The hot air drying assembly 3 includes a blower 31, a fixed housing 32, and a temperature sensor 33. The temperature sensor 33 monitors the hot air temperature near the concave plate 23 in real time and transmits the data to the controller. The blower 31 is installed on the top of the inner wall of the concave plate 23. The blower 31 draws hot air from the fixed housing 32 through the suction pipe and directs it through the blower head 34 to the vent 26 of the rotating cylinder 25. The air speed is adjustable to adapt to different drying stages. The blower head 34 is connected to the bottom of the blower 31 through a pipe. The fixed housing 32 is installed on the top of the sealing plate 22. The left and right sides of the inner wall of the fixed housing 32 are fixedly connected by heating wires 35. When the heating wires 35 are energized, they generate heat to heat the cold air inside the fixed housing 32, forming hot air. The power is adjustable, and the controller... The device is set to 500-1500W and can quickly heat up to the preset temperature of 40-50℃, suitable for capsule drying. A dustproof net 36 is provided on the top of the fixed shell 32. The dustproof net 36 filters the outside air entering the fixed shell 32 to prevent dust, hair and other impurities from entering the rotating cylinder 25 with the hot air and contaminating the capsule. The dustproof net 36 is made of polyester fiber filter. The bottom of the dustproof net 36 is in contact with the top of the fixed shell 32. The top of the blower 31 is equipped with an air intake pipe that is connected to it. The top of the air intake pipe passes through the concave plate 23, the sealing plate 22 and the fixed shell 32 from bottom to top and extends into the interior of the fixed shell 32. Fastening bolts 37 that are threadedly connected to the fixed shell 32 are provided on both the left and right sides of the top of the dustproof net 36. The temperature sensor 33 is installed on the left side of the inner wall of the concave plate 23.

[0026] A collection connection assembly 4 is provided on the housing 1. The collection connection assembly 4 includes a top plate 41 and an annular plate 42. The top plate 41 is installed on the left side of the housing 1. The bottom of the top plate 41 is fixedly connected to the left side of the housing 1 by a reinforcing rib, which improves the strength of the connection between the top plate 41 and the housing 1. The annular plate 42 is rotatably connected to the surface of the fixed column 100. The bottom of the annular plate 42 is in rotatable contact with the top of the housing 1. An adjusting plate 43 is installed on the left side of the annular plate 42 and on top of the top plate 41. The annular plate 42 is fitted onto the surface of the fixed column 100 and is rotatably connected to the annular groove 7 by an annular block 8, which drives the collection shell 44 to rotate and align with the discharge port of the rotating cylinder 25. The bottom of the adjusting plate 43 is in contact with the top of the top plate 41. The top plate 41 serves to support the adjusting plate 43. The top of the adjusting plate 43 is provided with A collection shell 44 is provided to receive the dried capsules discharged from the rotating cylinder 25, preventing the capsules from falling and becoming contaminated. The bottom of the collection shell 44 is in contact with the top of the adjusting plate 43. An annular groove 7 is provided on the surface of the fixing column 100 at the position corresponding to the annular plate 42. An annular block 8 is installed on the inner wall of the annular plate 42, which rotates in contact with the inner wall of the annular groove 7. Positioning grooves are provided on both the left and right sides of the bottom of the collection shell 44. A positioning block is installed on the top of the adjusting plate 43 at the position corresponding to the positioning groove. The top of the positioning block passes through the positioning groove and extends into the groove, contacting the inner wall of the groove. The positioning groove and the positioning block work together to achieve precise positioning of the collection shell 44, ensuring the stability of the collection shell 44 when placed on the adjusting plate 43. The collection shell 44 can be removed by pulling it upward.

[0027] In use, rotate the rotating block 210, which drives the threaded rod 211 to rotate, causing it to exit from the slot 212 of the connecting block 28. Then lift the sealing cover 27 upward to open the cover. Slowly pour the wet capsule to be dried into the rotating cylinder 25, and then close the sealing cover 27 so that the threaded rod 211 is inserted into the slot 212.

[0028] The controller activates the electric push rod 21, causing the electric push rod 21 to drive the sealing plate 22 and the rotating cylinder 25 downward. The rotating cylinder 25 moves into the interior of the housing 1, and the sealing plate 22 contacts the top of the housing 1. The controller first activates the heating wire 35 to preheat the air inside the fixed shell 32. After 3-5 minutes, it activates the blower 31. Finally, it activates the servo motor 24 to drive the rotating cylinder 25 to rotate. The cold air from the outside enters the fixed shell 32 after being filtered by the dustproof net 36. It is heated to the set temperature by the heating wire 35 and drawn by the blower 31 through the suction pipe. It is then transported to the blower head 34 through the pipe and blown in a direction towards the vent 26 of the rotating cylinder 25. The hot air penetrates the vent 26 and acts on the surface of the capsule to dry it. The controller displays the temperature data collected by the temperature sensor 33 in real time. If the temperature exceeds the preset threshold, the system automatically reduces the power of the heating wire 35. If the temperature is below the threshold, the system automatically increases the power.

[0029] After drying is complete, start the electric push rod 21 to raise the rotating cylinder 25 to the feeding height. Then lock the electric push rod 21. At this time, the opening of the rotating cylinder 25 faces upward. Rotate the annular plate 42. The annular plate 42 rotates 180 degrees around the fixed column 100 so that the opening of the collection shell 44 is precisely aligned with the top opening of the rotating cylinder 25. Then remove the sealing cover 27 and start the servo motor 24 so that the servo motor 24 slowly drives the rotating cylinder 25 to rotate 180 degrees so that the opening of the rotating cylinder 25 faces downward. The capsules are discharged and fall into the collection shell 44.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A hot air drying device for preventing capsule deformation, characterized in that: The device includes a housing (1), a fixing post (100) is mounted on the top of the housing (1), an mounting plate (101) is mounted on the top of the fixing post (100), a drive flipping assembly (2) is provided on the mounting plate (101), the drive flipping assembly (2) is used to drive the capsule to flip, the drive flipping assembly (2) is used for a hot air drying assembly (3), the hot air drying assembly (3) is used to dry the capsule, and a collection connection assembly (4) is provided on the housing (1), the collection connection assembly (4) is used to collect the dried capsule.

2. The hot air drying device for preventing capsule deformation according to claim 1, characterized in that: The drive flipping assembly (2) includes two electric push rods (21) which are respectively installed on the bottom of the mounting plate (101). The bottom ends of the two electric push rods (21) are fixedly connected by a sealing plate (22) that is adapted to the top opening of the housing (1). A concave plate (23) is installed on the bottom of the sealing plate (22).

3. The hot air drying device for preventing capsule deformation according to claim 2, characterized in that: A servo motor (24) is installed on the left side of the concave plate (23). The right end of the output shaft of the servo motor (24) passes through the concave plate (23) and extends to the outside of it to install a rotating cylinder (25). Several ventilation holes (26) are opened on the surface of the rotating cylinder (25). A sealing cover (27) is provided at the opening at the top of the rotating cylinder (25).

4. The hot air drying device for preventing capsule deformation according to claim 3, characterized in that: Connecting blocks (28) are installed on both the left and right sides of the sealing cover (27). Fixing blocks (29) are installed on both the left and right sides of the top of the rotating cylinder (25). A rotating block (210) is provided on the side of the fixing block (29) away from the connecting block (28). A threaded rod (211) that is threaded to the fixing block (29) is installed on the side of the rotating block (210) close to the connecting block (28). A slot (212) that is compatible with the threaded rod (211) is provided on the side of the connecting block (28) close to the threaded rod (211).

5. The hot air drying device for preventing capsule deformation according to claim 2, characterized in that: The hot air drying assembly (3) includes a blower (31), a fixed shell (32) and a temperature sensor (33). The blower (31) is installed on the top of the inner wall of the concave plate (23). The bottom of the blower (31) is connected to a blower head (34) through a pipe. The fixed shell (32) is installed on the top of the sealing plate (22). The left and right sides of the inner wall of the fixed shell (32) are fixedly connected by heating wires (35).

6. The hot air drying device for preventing capsule deformation according to claim 5, characterized in that: The top of the fixed shell (32) is provided with a dustproof net (36), and the left and right sides of the top of the dustproof net (36) are provided with fastening bolts (37) that are threadedly connected to the fixed shell (32). The temperature sensor (33) is installed on the left side of the inner wall of the concave plate (23).

7. The hot air drying device for preventing capsule deformation according to claim 1, characterized in that: The collecting connection assembly (4) includes a top plate (41) and an annular plate (42). The top plate (41) is installed on the left side of the housing (1). The annular plate (42) is rotatably connected to the surface of the fixed column (100). An adjusting plate (43) is installed on the left side of the annular plate (42) and on top of the top plate (41). A collecting shell (44) is provided on the top of the adjusting plate (43).

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