Capsule drying device for empty capsule production

Abstract

The utility model discloses a capsule drying device for empty capsule production, and relates to the technical field of capsule drying devices. The drying device comprises a drying box, a sealing cover is arranged on the upper side of the drying box, a tubular stirring shaft is arranged in the drying box in a running fit mode, and a partition plate is arranged in the tubular stirring shaft. The hot air mechanism is started to discharge hot air into the air inlet channel, then the hot air is discharged among the capsules through the air outlet holes in the air distribution pipe, air pressure in the drying box is increased, and water vapor generated among the capsules in the drying box is discharged into the air outlet channel through the air inlet holes in the air distribution pipe and then discharged out of the device through the exhaust holes. The driving mechanism is started to drive the tubular stirring shaft to rotate and stir the capsules in the drying box, so that the drying uniformity of the capsules is improved, hot air is conveniently discharged out of all positions of the drying box through the air outlet holes, water vapor is conveniently discharged out of all positions of the drying box through the air inlet holes, the drying uniformity of the capsules is improved, and the drying efficiency of the capsules is improved.

Description

Technical Field

[0001] The utility model belongs to the field of capsule drying devices, in particular to a capsule drying device for producing hollow capsules. Background Art

[0002] Capsules refer to solid preparations made by filling drugs into hollow hard capsules or sealing them in elastic soft capsules. The materials that constitute the above-mentioned hollow hard capsule shells or elastic soft capsule shells are gelatin, glycerin, water and other medicinal materials, but the proportions of each component are not the same, and the preparation methods are also different. Usually there are hard capsules and soft capsules. Hard capsules are also called hollow capsules, which consist of two parts: the cap and the body; soft capsules are products made by processing the film-forming material and the contents at the same time.

[0003] A Chinese patent with publication number CN218296569U discloses a capsule production dryer, comprising an upper box, a lower box and a base, wherein the base is fixedly connected to the upper box through a bracket, the upper box and the lower box are relatively slidably connected, the lower box is connected with a vibration mechanism, the vibration mechanism is used to drive the lower box to vibrate up and down, the upper box and the lower box are provided with hollow tubes inside, the ends of the hollow tubes are closed, wherein the hollow tubes are connected with a plurality of branch pipes, the branch pipes are provided with air outlets, the upper box is provided with a hot air blower outside, the hot air blower is connected with an air pipe, the air pipe passes through the top of the hollow tube and is rotatably connected thereto, the hollow tube is connected with a rotating mechanism, the rotating mechanism is used to drive the hollow tube to rotate; the device drives the lower box to vibrate up and down through the vibration mechanism, so that the upper box and the lower box have relative movement, and then drives the capsule to vibrate up and down inside the lower box, so that the capsule is heated evenly, and the drying effect of the capsule is further improved, while the air outlet in the application is provided at the end of the branch pipe, resulting in uneven heat in the box, and the water vapor in the box is not easy to be discharged quickly.

[0004] In view of this, the present utility model is proposed. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a capsule drying device for producing hollow capsules.

[0006] In order to solve the above technical problems, the basic concept of the technical solution adopted by the utility model is:

[0007] A capsule drying device for producing hollow capsules comprises a drying box, a sealing cover is provided on the upper side of the drying box, a tubular stirring shaft is rotatably arranged in the drying box, a dividing plate is provided in the tubular stirring shaft, the dividing plate divides the space in the tubular stirring shaft into an air inlet channel and an air outlet channel, the tubular stirring shaft is provided with a plurality of air inlet holes connected with the air inlet channel, the tubular stirring shaft is provided with a plurality of air outlet holes connected with the air outlet channel, a driving mechanism for driving the tubular stirring shaft to rotate is provided on the upper side of the sealing cover, a hot air mechanism connected with the air inlet channel is provided on the upper side of the sealing cover, an exhaust hole is provided on the side of one end of the tubular stirring shaft extending out of the drying box, a discharge valve is provided at the bottom end of the drying box, a feed hopper is provided on the upper side of the sealing cover, and the feed hopper is connected with the feed valve.

[0008] Optionally, the tubular stirring shaft includes a main air pipe rotatably engaged in the drying box, a plurality of branch air pipes symmetrically arrayed on the main air pipe, a plurality of air inlet holes and a plurality of air outlet holes horizontally arrayed on the branch air pipe, and the exhaust holes are arranged on the side of one end of the main air pipe extending out of the drying box. The main air pipe and the branch air pipe are barrel-shaped structures, which facilitates the air outlet holes to discharge hot air from various parts of the drying box and the air inlet holes to discharge water vapor from various parts of the drying box, thereby improving the uniformity of capsule drying.

[0009] Optionally, a plug is provided at the upper inner portion of the main air pipe, and the plug corresponds to the air outlet channel, so as to facilitate the discharge of water vapor in the air outlet channel through the exhaust hole.

[0010] Optionally, the air distribution pipe at the top of the main air pipe is fitted with the bottom surface of the sealing cover, and the air distribution pipe at the bottom of the main air pipe is fitted with the bottom surface of the inner wall of the drying box, so that the air distribution pipe can be stirred at different heights of the drying box, discharge hot air, and let in water vapor.

[0011] Optionally, the hot air mechanism includes a hot air blower mounted on a sealing cover, an exhaust pipe mounted on an output end of the hot air blower, a bearing fixedly mounted on the main air pipe, and one end of the exhaust pipe fixedly mounted on the bearing, so that the hot air blower can discharge hot air into the air inlet channel through the exhaust pipe.

[0012] Optionally, the driving mechanism includes a first bevel gear fixedly mounted on the main air pipe, a servo motor fixed on the upper side of the sealing cover, and a second bevel gear fixed on the output end of the servo motor, and the second bevel gear is meshed with the first bevel gear, so that the servo motor drives the second bevel gear to drive the tubular stirring shaft to rotate and stir the capsules in the drying box through the first bevel gear.

[0013] After adopting the above technical solution, the utility model has the following beneficial effects compared with the prior art. Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described below at the same time:

[0014] By opening the hot air mechanism, hot air is discharged into the air inlet channel, and then discharged into the space between the capsules through the air outlet holes on the air distribution pipe. The air pressure in the drying box increases, and the water vapor generated between the capsules in the drying box is discharged into the air outlet channel through the air inlet holes on the air distribution pipe, and then discharged through the air outlet holes. The driving mechanism is opened to drive the tubular stirring shaft to rotate and stir the capsules in the drying box, so as to improve the uniformity of capsule drying, discharge the hot air from various places in the drying box through the air outlet holes, and discharge the water vapor from various places in the drying box through the air inlet holes, so as to improve the uniformity of capsule drying and improve the capsule drying efficiency.

[0015] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described below are only some embodiments. For those skilled in the art, other drawings can be obtained based on these drawings without creative work. In the drawings:

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of an embodiment of the utility model;

[0018] Figure 2 This is a schematic cross-sectional view of an embodiment of the utility model;

[0019] Figure 3 This is a schematic diagram of the air outlet structure of an embodiment of the utility model;

[0020] Figure 4 This is a schematic diagram of the air inlet structure of an embodiment of the utility model;

[0021] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0022] Drying box 1, sealing cover 2, tubular stirring shaft 3, dividing plate 301, air inlet channel 302, air outlet channel 303, air inlet hole 304, air outlet hole 305, exhaust hole 306, plug 307, main air pipe 308, air distribution pipe 309, driving mechanism 4, first bevel gear 401, servo motor 402, second bevel gear 403, hot air mechanism 5, hot air blower 501, exhaust pipe 502, discharge valve 6, feed hopper 7, feed valve 8.

[0023] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0024] The utility model will now be further described in detail with reference to the accompanying drawings.

[0025] See also Figure 1-4As shown, in the present embodiment, a capsule drying device for hollow capsule production is provided, including a drying box 1, a sealing cover 2 is provided on the upper side of the drying box 1, a tubular stirring shaft 3 is rotatably provided in the drying box 1, a dividing plate 301 is provided in the tubular stirring shaft 3, the dividing plate 301 divides the space in the tubular stirring shaft 3 into an air inlet channel 302 and an air outlet channel 303, a plurality of air inlet holes 304 connected to the air inlet channel 302 are provided on the tubular stirring shaft 3, a plurality of air outlet holes 305 connected to the air outlet channel 303 are provided on the tubular stirring shaft 3, a driving mechanism 4 for driving the tubular stirring shaft 3 to rotate is provided on the upper side of the sealing cover 2, a hot air mechanism 5 connected to the air inlet channel 302 is provided on the upper side of the sealing cover 2, an exhaust hole 306 is provided on the side of one end of the tubular stirring shaft 3 extending out of the drying box 1, a discharge valve 6 is provided at the bottom end of the drying box 1, a feed hopper 7 is provided on the upper side of the sealing cover 2, and a feed valve 8 is connected to the feed hopper 7.

[0026] By opening the hot air mechanism 5, hot air is discharged into the air inlet channel 302, and then discharged into the space between the capsules through the air outlet holes 305 on the air distribution pipe 309. The air pressure in the drying box 1 increases, and the water vapor generated between the capsules in the drying box 1 is discharged into the air outlet channel 303 through the air inlet holes 304 on the air distribution pipe 309, and then discharged out of the device through the air outlet holes 306. The driving mechanism 4 is opened to drive the tubular stirring shaft 3 to rotate and stir the capsules in the drying box 1, so as to improve the uniformity of capsule drying, and to facilitate the air outlet holes 305 to discharge the hot air to various places in the drying box 1, and to facilitate the air inlet holes 304 to discharge water vapor in various places in the drying box 1, so as to improve the uniformity of capsule drying and improve the capsule drying efficiency.

[0027] The tubular stirring shaft 3 of this embodiment includes a main air pipe 308 rotatably fitted in the drying box 1, a plurality of branch air pipes 309 symmetrically arrayed on the main air pipe 308, a plurality of air inlet holes 304 and a plurality of air outlet holes 305 horizontally arrayed on the branch air pipe 309, and an exhaust hole 306 is provided on the side of one end of the main air pipe 308 extending out of the drying box 1. The main air pipe 308 and the branch air pipe 309 are barrel-shaped structures, which facilitates the air outlet holes 305 to discharge hot air from various parts of the drying box 1, and facilitates the air inlet holes 304 to discharge water vapor from various parts of the drying box 1, so as to improve the uniformity of capsule drying and the efficiency of capsule drying.

[0028] In this embodiment, a plug 307 is provided at the upper inner portion of the main air pipe 308 , and the plug 307 corresponds to the air outlet channel 303 , so that the water vapor in the air outlet channel 303 can be discharged through the exhaust hole 306 .

[0029] In this embodiment, the air distribution pipe 309 located at the top of the main air pipe 308 is in contact with the bottom surface of the sealing cover 2, and the air distribution pipe 309 located at the bottom of the main air pipe 308 is in contact with the bottom surface of the inner wall of the drying box 1, so that the air distribution pipe 309 can stir at different heights of the drying box 1, discharge hot air, and let in water vapor, thereby improving the drying uniformity of the capsules in the drying box 1.

[0030] The hot air mechanism 5 of this embodiment includes a hot air blower 501 installed on the sealing cover 2, an exhaust pipe 502 installed at the output end of the hot air blower 501, and a bearing fixedly mounted on the main air pipe 308, and one end of the exhaust pipe 502 is fixedly mounted on the bearing, so that the hot air blower 501 can discharge hot air into the air inlet channel 302 through the exhaust pipe 502, and the hot air blower 501 can exhaust air to the rotating main air pipe 308.

[0031] The driving mechanism 4 of this embodiment includes a first bevel gear 401 fixedly mounted on the main air pipe 308, a servo motor 402 fixed on the upper side of the sealing cover 2, and a second bevel gear 403 fixed on the output end of the servo motor 402, and the second bevel gear 403 is meshed with the first bevel gear 401, so that the servo motor 402 drives the second bevel gear 403 to drive the tubular stirring shaft 3 to rotate and stir the capsules in the drying box 1 through the first bevel gear 401, so as to improve the uniformity of capsule drying.

[0032] Working principle: turn on the hot air mechanism 5, the hot air blower 501 discharges the hot air into the air inlet channel 302 through the exhaust pipe 502, and then discharges the hot air into the space between the capsules through the air outlet 305 on the air distribution pipe 309, the air pressure in the drying box 1 increases, and the water vapor generated between the capsules in the drying box 1 is discharged into the air outlet channel 303 through the air inlet 304 on the air distribution pipe 309, and then discharged from the device through the exhaust hole 306, turn on the driving mechanism 4, the servo motor 402 drives the second bevel gear 403 to drive the tubular stirring shaft 3 to rotate and stir the capsules in the drying box 1 through the first bevel gear 401, so as to improve the uniformity of capsule drying, facilitate the air outlet 305 to discharge the hot air to various places in the drying box 1, and facilitate the air inlet 304 to discharge water vapor in various places in the drying box 1, so as to improve the uniformity of capsule drying and improve the capsule drying efficiency.

[0033] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0034] The present invention is not limited to the above-mentioned implementation modes. Anyone should be aware of the structural changes made under the inspiration of the present invention. Any technical solution that is the same or similar to the present invention falls within the protection scope of the present invention. The technology, shape, and structure that are not described in detail in the present invention are all known technologies.

Claims

1. A capsule drying device for hollow capsule production, characterized in that: include: A drying box (1), wherein a sealing cover (2) is provided on the upper side of the drying box (1), a tubular stirring shaft (3) is rotatably arranged in the drying box (1), a dividing plate (301) is provided in the tubular stirring shaft (3), the dividing plate (301) divides the space in the tubular stirring shaft (3) into an air inlet channel (302) and an air outlet channel (303), the tubular stirring shaft (3) is provided with a plurality of air inlet holes (304) connected to the air inlet channel (302), the tubular stirring shaft (3) is provided with a plurality of air outlet holes (305) connected to the air outlet channel (303), a driving mechanism (4) for driving the tubular stirring shaft (3) to rotate is provided on the upper side of the sealing cover (2), a hot air mechanism (5) connected to the air inlet channel (302) is provided on the upper side of the sealing cover (2), and an air outlet hole (306) is provided on the side of one end of the tubular stirring shaft (3) extending out of the drying box (1).

2. A capsule drying device for hollow capsule production according to claim 1, characterized in that: The tubular stirring shaft (3) comprises a main air pipe (308) rotatably engaged in the drying box (1), a plurality of air branch pipes (309) symmetrically arrayed on the main air pipe (308), a plurality of air inlet holes (304) and a plurality of air outlet holes (305) horizontally arrayed on the air branch pipes (309), and an air outlet hole (306) provided on the side of one end of the main air pipe (308) extending out of the drying box (1).

3. A capsule drying device for hollow capsule production according to claim 2, characterized in that: A plug (307) is provided at the upper inner portion of the main air pipe (308), and the plug (307) corresponds to the air outlet passage (303).

4. A capsule drying device for hollow capsule production according to claim 2, characterized in that: The air distribution pipe (309) located at the top of the main air pipe (308) is in contact with the bottom surface of the sealing cover (2), and the air distribution pipe (309) located at the bottom of the main air pipe (308) is in contact with the bottom surface of the inner wall of the drying box (1).

5. The capsule drying device for hollow capsule production according to claim 2, characterized in that: The hot air mechanism (5) comprises a hot air blower (501) mounted on the sealing cover (2), an exhaust pipe (502) mounted on the output end of the hot air blower (501), and a bearing fixedly sleeved on the main air pipe (308), wherein one end of the exhaust pipe (502) is fixedly sleeved on the bearing.

6. A capsule drying device for hollow capsule production according to claim 2, characterized in that: The driving mechanism (4) comprises a first bevel gear (401) fixedly sleeved on the main air pipe (308), a servo motor (402) fixed on the upper side of the sealing cover (2), and a second bevel gear (403) fixed on the output end of the servo motor (402), wherein the second bevel gear (403) meshes with the first bevel gear (401).

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