Circulating drying device for tablet processing

Abstract

The utility model discloses a circular drying device for tablet processing, which comprises a thermal insulation outer box, a heating bin, a driving motor and an air heater, a sealing door is hinged to the front wall of the thermal insulation outer box, a driving shaft and a fixing shaft are arranged on the opposite side walls in the thermal insulation outer box, the driving shaft is rotatably arranged on the inner side wall of the thermal insulation outer box, and the fixing shaft is arranged on the inner side wall of the thermal insulation outer box. One end of the heating bin is arranged on the driving shaft, one end of the fixing shaft penetrates through and extends into the heating bin, the fixing shaft is rotationally connected with the heating bin, the driving motor is arranged on the side wall of the heat preservation outer box, a power output shaft is connected with the driving shaft, and the air heater is arranged on the other side of the heat preservation outer box. A hot air pipeline is arranged in the fixing shaft, and an air outlet of the air heater is communicated with the hot air pipeline. The utility model relates to the technical field of tablet processing, and particularly provides a circulating drying device for tablet processing.

Description

Technical Field

[0001] The utility model relates to the technical field of tablet processing, in particular to a circulating drying device for tablet processing. Background Art

[0002] The tablet production process includes raw material preparation, formula mixing, granulation, tableting, coating, drying and other process flows. Among them, drying is to dry the coated drugs and solidify the coating materials. At this time, the drying temperature and drying time must be strictly controlled to avoid affecting the quality of the drugs.

[0003] Existing medicine drying equipment generally puts the medicines into a chamber for centralized drying during drying. Although the efficiency is high, the medicines are stacked and the drying uniformity is average. It is difficult to ensure the drying uniformity of each tablet, which affects the drying efficiency and tablet quality. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the existing tablet drying equipment cannot fully dry the tablets in a stacked state, and the drying uniformity is average.

[0005] To solve the above technical problems, the utility model provides the following technical solutions: the utility model proposes a circulating drying device for tablet processing, comprising an insulated outer box, a heating bin, a driving motor and a hot air blower, the front wall of the insulated outer box is hingedly provided with a sealing door, the inner opposite side walls of the insulated outer box are provided with a driving shaft and a fixed shaft, the driving shaft is rotatably arranged on the inner side wall of the insulated outer box, one end of the heating bin is arranged on the driving shaft, one end of the fixed shaft passes through and extends to the interior of the heating bin, the fixed shaft is rotatably connected to the heating bin, the driving motor is arranged on the side wall of the insulated outer box and the power output shaft is connected to the driving shaft, the hot air blower is arranged on the other side of the insulated outer box, a hot air duct is arranged in the fixed shaft, and the air outlet of the hot air blower is communicated with the hot air duct.

[0006] Preferred technical solution 1: The heating bin is a barrel-shaped structure, and the inner wall of the heating bin is provided with a rolling concave ring. A plurality of rolling concave rings are equidistantly arranged along the length direction of the heating bin, and the medicines fall evenly into the rolling grooves to avoid concentrated accumulation affecting the drying effect.

[0007] Preferred technical solution two: multiple sets of exhaust ports are provided on the fixed shaft, and the exhaust ports are connected to the hot air duct. Multiple sets of stirring levers are also equidistantly provided on the fixed shaft, and the bottom shape of the stirring lever is matched with the cross-section of the rolling concave ring, so as to effectively flip the tablets on the bottom wall of the rolling concave ring.

[0008] Preferred technical solution three: A heat circulation component is also provided on the top of the thermal insulation outer box, and the heat circulation component includes a dehumidification chamber and a storage box slidably arranged inside the dehumidification chamber, the storage box stores dehumidifier, and air inlet pipes and air outlet pipes are provided on both sides of the dehumidification chamber, the other end of the air inlet pipe is connected to the inside of the thermal insulation outer box, and the other end of the air outlet pipe is connected to the hot air pipeline.

[0009] Preferred technical solution four: a door panel is hingedly provided on the heating chamber, an exhaust window is provided on the side wall of the heating chamber, an exhaust pipe is provided on the thermal insulation outer box, and a pressure valve is also provided on the exhaust pipe.

[0010] Preferred technical solution five: A controller is also provided on the side wall of the thermal insulation outer box, a temperature sensor is provided inside the thermal insulation outer box, and the temperature sensor, the drive motor and the hot air blower are all electrically connected to the controller.

[0011] The utility model proposes a circulating drying device for tablet processing, which adopts the above structure to achieve the following beneficial effects:

[0012] (1) The inner wall of the heating chamber is provided with multiple groups of rolling concave rings, which effectively disperse the medicines into each concave ring to avoid accumulation. At the same time, the tablets at the bottom of the concave ring are rolled with the cooperation of the stirring lever to prevent the medicines at the bottom from being insufficiently dried;

[0013] (2) The hot air duct and the exhaust port cooperate to heat the interior evenly, and the heat circulation component can dehumidify the hot steam and recycle it, saving energy. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 This is a schematic diagram of the overall structure of a circulating drying device for tablet processing proposed by the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of a circulating drying device for tablet processing proposed by the utility model. Figure 1 ;

[0017] Figure 3 The overall structure of a circulating drying device for tablet processing proposed by the utility model is shown in FIG. Figure 2 ;

[0018] Figure 4 for Figure 3 A partial enlarged schematic diagram of part A.

[0019] Among them, 1. Insulated outer box, 2. Heating chamber, 3. Drive motor, 4. Hot air blower, 5. Sealed door, 6. Drive shaft, 7. Fixed shaft, 8. Hot air duct, 9. Rolling concave ring, 10. Exhaust port, 11. Stirring lever, 12. Thermal circulation component, 13. Dehumidification chamber, 14. Storage box, 15. Inlet pipe, 16. Outlet pipe, 17. Door panel, 18. Exhaust window, 19. Exhaust pipe, 20. Controller. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to directions in the drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0022] Embodiment 1

[0023] like Figures 1 to 4 As shown, the technical solution adopted by the utility model is as follows: a circulating drying device for tablet processing, comprising an insulating outer box 1, a heating bin 2, a driving motor 3 and a hot air blower 4, the front wall of the insulating outer box 1 is hingedly provided with a sealing door 5, the inner side walls of the insulating outer box 1 are provided with a driving shaft 6 and a fixed shaft 7, the driving shaft 6 is rotatably arranged on the inner side wall of the insulating outer box 1, one end of the heating bin 2 is arranged on the driving shaft 6, one end of the fixed shaft 7 passes through and extends to the inside of the heating bin 2, the fixed shaft 7 is rotatably connected to the heating bin 2, the driving motor 3 is arranged on the side wall of the insulating outer box 1 and the power output shaft is connected to the driving shaft 6, the hot air blower 4 is arranged on the insulating outer box 1, and the power output shaft is connected to the driving shaft 6. On the other side of the box 1, a hot air duct 8 is provided in the fixed shaft 7, and the air outlet of the hot air blower 4 is connected to the hot air duct 8; the heating bin 2 is a barrel-shaped structure, and the inner wall of the heating bin 2 is provided with a rolling concave ring 9. There are multiple groups of rolling concave rings 9 equidistantly arranged along the length direction of the heating bin 2, and the medicines fall evenly into the rolling grooves to avoid concentrated accumulation affecting the drying effect; there are multiple groups of exhaust ports 10 on the fixed shaft 7, and the exhaust ports 10 are connected to the hot air duct 8. There are also multiple groups of stirring levers 11 equidistantly arranged on the fixed shaft 7, and the bottom shape of the stirring lever 11 is matched with the cross-section of the rolling concave ring 9, so as to effectively turn over the tablets on the inner bottom wall of the rolling concave ring 9.

[0024] Embodiment 2

[0025] Based on the first embodiment, Figure 1 and Figure 2As shown, a heat circulation component 12 is also provided on the top of the thermal insulation outer box 1, and the heat circulation component 12 includes a dehumidification chamber 13 and a storage box 14 slidably arranged inside the dehumidification chamber 13, the storage box 14 stores dehumidifier, and air inlet pipes 15 and air outlet pipes 16 are provided on both sides of the dehumidification chamber 13, the other end of the air inlet pipe 15 is connected to the inside of the thermal insulation outer box 1, and the other end of the air outlet pipe 16 is connected to the hot air pipeline 8; a door panel 17 is hingedly provided on the heating chamber 2, an exhaust window 18 is provided on the side wall of the heating chamber 2, an exhaust pipe 19 is provided on the thermal insulation outer box 1, and a pressure valve is also provided on the exhaust pipe 19.

[0026] A controller 20 is also provided on the side wall of the thermal insulation outer box 1 , and a temperature sensor is provided inside the thermal insulation outer box 1 . The temperature sensor, the drive motor 3 and the hot air blower 4 are all electrically connected to the controller 20 .

[0027] During specific use, the door panel 17 is opened, the medicine is placed in the heating chamber 2, the door panel 17 and the sealing door 5 are closed, the driving motor 3 and the hot air blower 4 are started, the driving shaft 6 is driven to rotate, and then the heating chamber 2 is driven to rotate. During the rotation process, the medicine is effectively dispersed into each rolling concave ring 9 to avoid accumulation. At the same time, the tablets at the bottom of the concave ring are rolled with the cooperation of the stirring lever 11 to avoid that the bottom medicine is not fully dried. The hot air is discharged into the heating chamber 2 through the hot air pipeline 8 and multiple exhaust ports 10 to fully dry the medicine. The generated moisture enters the dehumidification chamber 13 through the air inlet pipe 15, the moisture is filtered out and discharged into the hot air pipeline 8 through the air outlet pipe 16 to achieve recycling.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, material or apparatus including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, material or apparatus.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A circulating drying device for tablet processing, comprising an insulating outer box, a heating chamber, a driving motor and a hot air blower, characterized in that: The front wall of the thermal insulation outer box is hingedly provided with a sealing door, and the opposite side walls inside the thermal insulation outer box are provided with a driving shaft and a fixed shaft, the driving shaft is rotatably arranged on the inner wall of the thermal insulation outer box, one end of the heating bin is arranged on the driving shaft, one end of the fixed shaft penetrates and extends to the interior of the heating bin, the fixed shaft is rotatably connected to the heating bin, the driving motor is arranged on the side wall of the thermal insulation outer box and the power output shaft is connected to the driving shaft, the hot air blower is arranged on the other side of the thermal insulation outer box, a hot air duct is arranged in the fixed shaft, and the air outlet of the hot air blower is communicated with the hot air duct.

2. A circulating drying device for tablet processing according to claim 1, characterized in that: The heating bin is of barrel-shaped structure, and the inner side wall of the heating bin is provided with rolling concave rings, and a plurality of groups of rolling concave rings are arranged at equal distances along the length direction of the heating bin.

3. A circulating drying device for tablet processing according to claim 2, characterized in that: The fixed shaft is provided with a plurality of exhaust ports which are connected to the hot air pipeline. The fixed shaft is also provided with a plurality of stirring levers at equal intervals. The bottom shape of the stirring levers matches the cross section of the rolling concave ring.

4. A circulating drying device for tablet processing according to claim 3, characterized in that: A heat circulation component is also provided on the top of the thermal insulation outer box, and the heat circulation component includes a dehumidification chamber and a storage box slidably arranged inside the dehumidification chamber. An air inlet pipe and an air outlet pipe are provided on both sides of the dehumidification chamber. The other end of the air inlet pipe is connected to the inside of the thermal insulation outer box, and the other end of the air outlet pipe is connected to the hot air pipeline.

5. A circulating drying device for tablet processing according to claim 4, characterized in that: The heating chamber is hingedly provided with a door panel, the side wall of the heating chamber is provided with an exhaust window, the thermal insulation outer box is provided with an exhaust pipe, and the exhaust pipe is also provided with a pressure valve.

6. A circulating drying device for tablet processing according to claim 5, characterized in that: A controller is also provided on the side wall of the thermal insulation outer box, a temperature sensor is provided inside the thermal insulation outer box, and the temperature sensor, the drive motor and the hot air blower are all electrically connected to the controller.

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