Rotary tablet press capable of automatically feeding

Abstract

The utility model relates to an automatic feeding rotary tablet press which comprises a supporting frame, the supporting frame is divided into a top working area, a middle working area and a bottom working area by a plurality of partition plates arranged on the supporting frame, an automatic feeding bin is arranged on the top working area, a rotary working table and an automatic feeder are arranged on the middle working area, and the bottom working area is provided with an automatic feeding bin. The rotary workbench is provided with a tabletting die, a material mixing chamber with a material inlet and a material outlet is formed in the automatic feeder, a rotary blade is arranged in the material mixing chamber, the automatic feeding bin is communicated with the material inlet, the tabletting die is communicated with the material outlet, and the rotary blade is arranged in the material mixing chamber. A hybrid driving assembly is arranged on the bottom working area, and the rotating blades are connected with the hybrid driving assembly through a lower main shaft. According to the technical scheme, through rapid and uniform feeding of the rotating blades, it is guaranteed that powder raw materials are filled in the mold more uniformly, and the tabletting quality is improved.

Description

Technical Field

[0001] This utility model relates to the field of pharmaceutical tableting machine technology, and in particular to an automatic feeding rotary tableting machine. Background Technology

[0002] Existing rotary tablet press feeding devices mostly use a vertical feeding method, which has the following problems: First, the vertical feeder's rotating spindle is located above the hopper, making it impossible to directly add powder raw materials from above, easily leading to uneven powder addition; second, the traditional spindle drive method is prone to introducing oil and other impurities, contaminating the raw materials and affecting product purity. Therefore, a new type of feeding device is needed that can quickly and evenly add materials while avoiding the introduction of impurities. Utility Model Content

[0003] This utility model aims to solve at least one of the technical problems existing in the prior art or related technologies.

[0004] Therefore, the purpose of this utility model is to provide an automatic feeding rotary tablet press, which can quickly and uniformly fill powder raw materials, thereby improving the ease of operation of the tablet press.

[0005] To achieve the above objectives, the present invention provides an automatic feeding rotary tablet press, comprising a support frame, which is divided into a top working area, a middle working area, and a bottom working area by multiple partitions mounted thereon. An automatic feeding hopper is mounted on the top working area. A rotary table and an automatic feeder are mounted on the middle working area. A tableting mold is mounted on the rotary table. The automatic feeder forms a material mixing chamber with a material inlet and a material outlet. Rotating blades are mounted inside the material mixing chamber. The automatic feeding hopper is connected to the material inlet, and the tableting mold is connected to the material outlet. A mixing drive assembly is mounted on the bottom working area, and the rotating blades are connected to the mixing drive assembly via a lower main shaft.

[0006] In the above technical solution, preferably, the automatic feeder is provided with a hopper at the material inlet, and the bottom of the automatic feeding bin is provided with a material channel that extends into the hopper.

[0007] In any of the above technical solutions, preferably, the automatic feeder has an extension in the direction of the tableting mold, the bottom surface of the extension is flush with the top surface of the tableting mold, and at least part of the material outlet is located on the extension.

[0008] In any of the above technical solutions, preferably, the lower main shaft includes a blade shaft and a hybrid drive shaft, the blade shaft and the hybrid drive shaft are connected by two meshing gears, the blade shaft is mounted on the rotating blade, and the hybrid drive shaft is mounted on the hybrid drive assembly.

[0009] In the above technical solution, preferably, the hybrid drive assembly includes a hybrid drive motor and a speed controller, the hybrid drive motor is electrically connected to the speed controller, and the hybrid drive shaft is mounted on the hybrid drive motor.

[0010] In any of the above technical solutions, preferably, the automatic feeder includes a lower fixed plate and a mixing chamber fixed on the lower fixed plate. The mixing chamber is hollow to form the material mixing chamber. The mixing chamber is covered with a cover plate, and the material inlet is formed on the cover plate.

[0011] Compared with the prior art, the advantages of the automatic feeding rotary tablet press provided by this utility model are as follows: 1. Improved product consistency: The rapid and uniform feeding by the rotating blades ensures that the powder raw materials are filled more evenly in the mold, thus improving the tableting quality; 2. Prevention of impurity contamination: The use of the lower spindle drive effectively prevents oil and other impurities from entering the raw materials, ensuring product purity; 3. Ease of operation: The feeding process is smoother, and the machine design is neat and beautiful, making it easy to operate and maintain. Attached Figure Description

[0012] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0013] Figure 1 A structural diagram of the rotary tablet press according to an embodiment of the present invention is shown;

[0014] Figure 2 A structural diagram of the bottom working area according to an embodiment of the present invention is shown;

[0015] Figure 3 A perspective view of the top of the automatic feeder according to an embodiment of the present invention is shown;

[0016] Figure 4 A perspective view of the bottom of the automatic feeder according to an embodiment of the present invention is shown;

[0017] Figure 5 A schematic diagram of the drive structure of the automatic feeder according to an embodiment of the present invention is shown;

[0018] in, Figures 1 to 5 The correspondence between the reference numerals and component names in the attached drawings is as follows:

[0019] 1. Support frame; 11. Top working area; 12. Middle working area; 13. Bottom working area; 2. Partition; 3. Automatic feeding hopper; 31. Material channel; 4. Rotary worktable; 5. Automatic feeder; 51. Material inlet; 52. Material outlet; 53. Material mixing chamber; 54. Hopper; 55. Extension section; 56. Lower fixed plate; 57. Mixing bin; 58. Cover plate; 6. Tableting mold; 7. Rotating blade; 81. Blade shaft; 82. Mixing drive shaft; 83. Gear; 91. Mixing drive motor; 92. Speed ​​controller. Detailed Implementation

[0020] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0021] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below.

[0022] like Figures 1 to 5 As shown, an automatic feeding rotary tablet press according to an embodiment of the present invention includes a support frame 1. The support frame 1 is divided into a top working area 11, a middle working area 12, and a bottom working area 13 by a plurality of partitions 2 mounted thereon. An automatic feeding bin 3 is mounted on the top working area 11. A rotary worktable 4 and an automatic feeder 5 are mounted on the middle working area 12. A tableting mold 6 is mounted on the rotary worktable 4. The automatic feeder 5 forms a material mixing chamber 53 with a material inlet 51 and a material outlet 52. A rotating blade 7 is mounted in the material mixing chamber 53. The automatic feeding bin 3 is connected to the material inlet 51. The tableting mold 6 is connected to the material outlet 52. A mixing drive assembly is mounted on the bottom working area 13. The rotating blade 7 is connected to the mixing drive assembly through a lower main shaft.

[0023] In this embodiment, the raw material powder enters the material mixing chamber 53 inside the automatic feeder 5 through the automatic feeding bin 3, and then the rotating blades 7 of the material mixing chamber 53 quickly and evenly carry the raw material into the mold embedded in the rotating worktable 4; the rotating blades 7 realize the rapid and uniform distribution of the powder raw material, thereby ensuring that the powder raw material is filled more evenly in the mold and improving the tableting quality; and, since the rotating blades 7 adopt the lower spindle drive method, it effectively prevents oil and other impurities from entering the raw material, ensuring product purity.

[0024] In the above embodiment, preferably, the automatic feeder 5 is provided with a hopper 54 at the material inlet 51, and the bottom of the automatic feeding bin 3 is provided with a material channel 31, which extends into the hopper 54.

[0025] In this embodiment, the hopper 54 provided at the material inlet 51 is used to store the powder raw materials from the automatic feeding bin 3 to ensure the continuity of the feeding process; at the same time, the hopper 54 can collect the powder raw materials more conveniently and prevent the powder raw materials from overflowing.

[0026] In any of the above embodiments, preferably, the automatic feeder 5 has an extension 55 in the direction of the tableting mold 6, the bottom surface of the extension 55 is flush with the top surface of the tableting mold 6, and at least part of the material outlet 52 is located on the extension 55.

[0027] In this embodiment, the bottom surface of the extension 55 is flush with the top surface of the tableting mold 6, so that the extension 55 can act as a scraper to scrape the powder material on the tableting mold 6 into the mold, preventing the material from being stuck on the upper surface of the tableting mold 6. This saves material on the one hand and cleans the mold on the other.

[0028] In any of the above embodiments, preferably, the lower main shaft includes a blade shaft 81 and a hybrid drive shaft 82, the blade shaft 81 and the hybrid drive shaft 82 are connected by two meshing gears 83, the blade shaft 81 is mounted on the rotating blade 7, and the hybrid drive shaft 82 is mounted on the hybrid drive assembly.

[0029] In the above embodiments, preferably, the hybrid drive assembly includes a hybrid drive motor 91 and a speed controller 92, the hybrid drive motor 91 is electrically connected to the speed controller 92, and the hybrid drive shaft 82 is mounted on the hybrid drive motor.

[0030] In this embodiment, the speed of the hybrid drive motor is controlled by the speed regulator 92, thereby adjusting the speed of the rotating blade 7 to adapt to different raw materials and process requirements.

[0031] It should be noted that the driving power structure of the control rotary table 4 in this utility model is the same as the tablet pressing power structure of conventional rotary tablet presses on the market, so it will not be described again in this utility model.

[0032] In any of the above embodiments, preferably, the automatic feeder 5 includes a lower fixed plate 56 and a mixing chamber 57 fixed on the lower fixed plate 56. The mixing chamber 57 is hollow inside to form the material mixing chamber 53. A cover plate 58 is provided on the mixing chamber 57, and the material inlet 51 is formed on the cover plate 58.

[0033] In this utility model, the term "multiple" refers to two or more unless otherwise explicitly defined. The terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; "linking" can be a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0034] In the description of this utility model, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or unit referred to must have a specific orientation or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0035] In the description of this specification, the terms "one embodiment," "some embodiments," "specific embodiment," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which 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.

[0036] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. An automatic feeding rotary tablet press, comprising a support frame (1), the support frame (1) being divided into a top working area (11), a middle working area (12), and a bottom working area (13) by a plurality of partitions (2) mounted thereon, characterized in that: An automatic feeding bin (3) is installed on the top working area (11), a rotary table (4) and an automatic feeder (5) are installed on the middle working area (12), a tableting mold (6) is installed on the rotary table (4), and a material mixing chamber (53) with a material inlet (51) and a material outlet (52) is formed inside the automatic feeder (5). A rotating blade (7) is installed in the material mixing chamber (53), the automatic feeding bin (3) is connected to the material inlet (51), the tableting mold (6) is connected to the material outlet (52), and a mixing drive assembly is installed on the bottom working area (13). The rotating blade (7) is connected to the mixing drive assembly through the lower spindle.

2. The rotary tablet press with automatic feeding according to claim 1, characterized in that: The automatic feeder (5) is provided with a hopper (54) at the material inlet (51), and the automatic feeding bin (3) is provided with a material channel (31) at the bottom, which extends into the hopper (54).

3. The rotary tablet press with automatic feeding according to claim 1 or 2, characterized in that: The automatic feeder (5) has an extension (55) extending toward the tableting mold (6), the bottom surface of the extension (55) being flush with the top surface of the tableting mold (6), and at least part of the material outlet (52) being located on the extension (55).

4. The rotary tablet press with automatic feeding according to claim 1 or 2, characterized in that: The lower main shaft includes a blade shaft (81) and a hybrid drive shaft (82). The blade shaft (81) and the hybrid drive shaft (82) are connected by two meshing gears (83). The blade shaft (81) is mounted on the rotating blade (7), and the hybrid drive shaft (82) is mounted on the hybrid drive assembly.

5. The rotary tablet press with automatic feeding according to claim 4, characterized in that: The hybrid drive assembly includes a hybrid drive motor (91) and a speed controller (92), the hybrid drive motor (91) is electrically connected to the speed controller (92), and the hybrid drive shaft (82) is mounted on the hybrid drive motor (91).

6. The rotary tablet press with automatic feeding according to claim 1 or 2, characterized in that: The automatic feeder (5) includes a lower fixed plate (56) and a mixing chamber (57) fixed on the lower fixed plate (56). The mixing chamber (57) is hollow inside to form the material mixing chamber (53). A cover plate (58) is provided on the mixing chamber (57), and the material inlet (51) is formed on the cover plate (58).

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