Tablet coating powder manufacturing and mixing device

Abstract

The utility model discloses a tablet coating powder manufacturing and mixing device and belongs to the technical field of pharmaceutical equipment. A frame is arranged at the upper end of the bottom plate, a horizontally-arranged mixing bin is arranged on the frame, the middle of the mixing bin is rotationally connected with a horizontally-arranged rotating shaft, the rotating shaft is driven by a first motor to rotate, a plurality of sets of mixing paddles are arranged on the outer wall of the rotating shaft, and each set of mixing paddles comprises a plurality of main mixing paddles and a plurality of auxiliary mixing paddles. The plurality of main mixing paddles and the plurality of auxiliary mixing paddles are alternately and uniformly distributed one by one in the circumferential direction of the rotating shaft, and the end part of each main mixing paddle is attached to the inner wall of the mixing bin; the top of the mixing bin communicates with the multiple feeding bins, and the end of the mixing bin communicates with the discharging pipeline. According to the utility model, the plurality of groups of main mixing paddles and auxiliary mixing paddles are alternately and uniformly distributed and are spirally arranged, so that the mixing uniformity and efficiency are improved, and meanwhile, the triangular structures of the main mixing paddles effectively scrape materials on the inner wall to avoid residues. The auxiliary paddle on the auxiliary mixing paddle realizes multi-direction mixing, so that the mixing effect is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tablet coating powder manufacturing mixing device belongs to pharmaceutical equipment technical field. BACKGROUND

[0002] Traditional coating powder mixing device generally adopts vertical structure design. Under this design, the raw materials are mainly placed in the lower part of the mixing bin, which leads to the waste of the upper space of the mixing bin and reduces the overall utilization efficiency of the equipment.

[0003] In addition, after the raw materials are mixed, the unloading mainly depends on the gravity, which not only is slow and inefficient, but also is easy to form sticking phenomenon on the inner wall of the mixing bin, affecting the mixing effect and the cleaning and maintenance of the equipment.

[0004] At the same time, in the existing mixing process, a plurality of raw materials are usually added into the mixing bin one by one for mixing. This operation mode makes the time for the raw materials to realize full and uniform mixing longer, which affects the quality stability and production efficiency of the coating powder. UTILITY MODEL CONTENTS

[0005] In order to solve the problems in the background art, the utility model provides a tablet coating powder manufacturing mixing device.

[0006] To achieve the above purpose, the utility model takes the following technical scheme: a tablet coating powder manufacturing mixing device, comprising a feeding bin, a mixing bin, a rotating shaft, a main mixing paddle, a bottom plate, a frame, a discharge pipeline and a secondary mixing paddle; the upper end of the bottom plate is fixed with a frame, the frame is fixed with a horizontally arranged mixing bin, the middle part of the mixing bin is rotationally connected with a horizontally arranged rotating shaft, the rotating shaft is driven to rotate by a motor, and the outer wall of the rotating shaft is provided with a plurality of mixing paddles; each group of the mixing paddles comprises a plurality of main mixing paddles and a plurality of secondary mixing paddles, which are alternately and uniformly arranged along the circumference of the rotating shaft, and the end of each main mixing paddle is arranged in close contact with the inner wall of the mixing bin; the top of the mixing bin is in communication with a plurality of feeding bins, and the end of the mixing bin is in communication with the discharge pipeline.

[0007] The plurality of mixing paddles are arranged in a spiral shape along the axial direction of the rotating shaft.

[0008] The cross section of each main mixing paddle is a triangular structure, the corner part of the triangle is arranged in close contact with the inner wall of the mixing bin, and the inclined edge in the rotation direction of the triangle is an arc surface.

[0009] The side wall of the main mixing paddle at the end is arranged in close contact with the corresponding inner wall of the mixing bin.

[0010] Each secondary mixing paddle is fixed with an auxiliary paddle arranged perpendicularly thereto.

[0011] The discharge end of each feeding bin is provided with a filter screen.

[0012] The mixing bin is provided with a discharge door between the mixing bin and the discharge pipeline, the lower end of the discharge door is hinged to the mixing bin, and the outer wall of the discharge pipeline is provided with a matching avoiding opening of the mixing bin.

[0013] The outer wall of each feeding bin is matched with a corresponding cam, each cam is driven to rotate by a corresponding motor two, each motor two is fixed on the frame body, each feeding bin is slidably connected with the frame body, and each feeding bin is in communication with the mixing bin through a corresponding hose.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model discloses a plurality of main mixing paddles and vice mixing paddles are alternately distributed and spirally arranged, which improves the mixing uniformity and efficiency, and the triangular structure of the main mixing paddle effectively scrapes the material on the inner wall to avoid residue.The auxiliary paddle on the vice mixing paddle realizes multidirectional mixing, which further improves the mixing effect.The filter screen of the feeding bin ensures that the material is not caked, the cam vibration assists the unloading, and the blockage is avoided.The discharge door cooperates with the gas negative pressure discharge system to realize rapid and residue-free unloading.The space utilization is optimized, and the production efficiency and quality stability are improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structural schematic diagram of the utility model;

[0017] Figure 2 It is the connecting relationship schematic diagram of the rotating shaft and the plurality of mixing paddles;

[0018] Figure 3 It is the structural schematic diagram of the main mixing paddle, and the arrow indicates the rotating direction of the rotating shaft. DETAILED DESCRIPTION

[0019] The technical solutions in the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments, and all other embodiments obtained by the person skilled in the art without creative labor on the basis of the embodiments in the utility model belong to the protection scope of the utility model.

[0020] The utility model provides a kind of tablet coating powder manufacturing mixing device, including feed bin 1, mixing bin 3, rotating shaft 4, main mixing paddle 5, bottom plate 6, frame 7, unloading pipeline 9 and vice mixing paddle 10;The upper end of the bottom plate 6 is fixed with frame 7, the frame 7 is fixed with horizontally arranged mixing bin 3, the middle part of the mixing bin 3 is rotationally connected with horizontally arranged rotating shaft 4, the rotating shaft 4 is driven to rotate by motor one, and is driven by multiple transmission mechanisms, such as belt, which is prior art, so it is not described again;Rotating shaft 4 is uniformly provided with multiple groups of mixing paddles along its axial direction, each group of the mixing paddles includes multiple main mixing paddles 5 and multiple vice mixing paddles 10, and the multiple main mixing paddles 5 and the multiple vice mixing paddles 10 are alternately and uniformly arranged along the circumferential direction of the rotating shaft 4, and the end of each main mixing paddle 5 is arranged in close contact with the inner wall of the mixing bin 3;The top of the mixing bin 3 is in communication with multiple feed bins 1, and the end of the mixing bin 3 is in communication with the unloading pipeline 9.

[0021] The multiple groups of mixing paddles are arranged in a spiral shape along the axial direction of the rotating shaft 4, so that different mixing paddles are located at different positions in the mixing bin 3, so that the mixing is more uniform.

[0022] The cross section of each main mixing paddle 5 is triangular, the corner 13 of the triangle is arranged in close contact with the inner wall of the mixing bin 3, the material on the inner wall of the mixing bin 3 is scraped, and the material adhered and left on the inner wall of the mixing bin 3 is avoided, and the inclined edge 14 in the rotation direction of the triangle is an arc surface, which can wrap the material upward during rotation to speed up the mixing efficiency.

[0023] The side wall of the main mixing paddle 5 located at the end is arranged in close contact with the corresponding inner wall of the mixing bin 3, so as to avoid the material adhered and left on the end inner wall of the mixing bin 3.

[0024] An auxiliary paddle 12 is fixed on each vice mixing paddle 10 and arranged perpendicularly thereto, so as to rotate and mix in multiple directions to improve the mixing efficiency.

[0025] A filter screen 2 is arranged at the discharge end of each feed bin 1, so as to ensure that the material entering the mixing bin 3 is not caked, and the mixing efficiency is improved.

[0026] A discharge door 8 is arranged between the mixing bin 3 and the unloading pipeline 9, the lower end of the discharge door 8 is hinged to the mixing bin 3, and the outer wall of the unloading pipeline 9 is provided with a relief opening matched with the mixing bin 3.

[0027] During discharging, the discharge door 8 is pulled to rotate into the relief opening of the unloading pipeline 9, and then the outlet end of the unloading pipeline 9 is connected with the gas source, so that the material in the mixing bin 3 is quickly sucked out by the gas negative pressure, and the rotation of the mixing paddles is matched to ensure that there is no residue in the mixing bin 3.

[0028] The outer wall of each feeding bin 1 is matched with a corresponding cam 11 respectively, each cam 11 is driven to rotate by a corresponding motor two, which is prior art and will not be repeated. Each motor two is fixed on the frame, each feeding bin 1 is slidably connected with the frame through a sliding groove, and each feeding bin 1 is communicated with the mixing bin 3 through a corresponding hose 15.

[0029] When feeding, a plurality of raw materials are respectively put into the corresponding feeding bin 1, and naturally fall under the action of gravity. Compared with the traditional method of sequentially and completely putting a plurality of raw materials, the present application slowly puts a plurality of raw materials at the same time, so that the mixing is more uniform. The cam 11 serves to vibrate the corresponding feeding bin 1, so as to avoid the raw materials from blocking the filter screen, and can also accelerate the falling speed of the raw materials.

[0030] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent conditions of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0031] In addition, it should be understood that although the present application is described in the specification in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A mixing apparatus for manufacturing tablet coating powder, characterized in that: It includes a feeding hopper (1), a mixing hopper (3), a rotating shaft (4), a main mixing paddle (5), a base plate (6), a frame (7), a discharge pipe (9), and a secondary mixing paddle (10). The upper end of the base plate (6) is fixed with the frame (7), and the horizontally arranged mixing hopper (3) is fixed on the frame (7). The middle part of the mixing hopper (3) is rotatably connected to the horizontally arranged rotating shaft (4). The rotating shaft (4) is driven to rotate by a motor. The outer wall of the rotating shaft (4) is provided with multiple sets of mixing paddles. Each set of mixing paddles includes multiple main mixing paddles (5) and multiple secondary mixing paddles (10). The multiple main mixing paddles (5) and multiple secondary mixing paddles (10) are evenly distributed alternately along the circumference of the rotating shaft (4). The end of each main mixing paddle (5) is attached to the inner wall of the mixing hopper (3). The top of the mixing hopper (3) is connected to multiple feeding hoppers (1), and the end of the mixing hopper (3) is connected to the discharge pipe (9).

2. The tablet coating powder manufacturing and mixing apparatus according to claim 1, characterized in that: The multiple sets of mixing paddles are arranged in a spiral shape along the axial direction of the rotating shaft (4).

3. The tablet coating powder manufacturing and mixing apparatus according to claim 2, characterized in that: Each of the main mixing impellers (5) has a triangular cross-section, with the corner (13) of the triangle fitting against the inner wall of the mixing chamber (3), and the hypotenuse (14) of the triangle in the direction of rotation being an arc surface.

4. The tablet coating powder manufacturing and mixing apparatus according to claim 3, characterized in that: The side wall of the main mixing paddle (5) located at the end is fitted to the inner wall of the mixing chamber (3).

5. The tablet coating powder manufacturing and mixing apparatus according to claim 4, characterized in that: Each of the sub-mixing propellers (10) is fixed with an auxiliary propeller (12) that is perpendicular to it.

6. A mixing apparatus for manufacturing tablet coating powder according to claim 1 or 5, characterized in that: Each of the feed bins (1) is equipped with a filter screen (2) at its discharge end.

7. A mixing apparatus for manufacturing tablet coating powder according to claim 1 or 5, characterized in that: A discharge gate (8) is provided between the mixing chamber (3) and the discharge pipe (9). The lower end of the discharge gate (8) is hinged to the mixing chamber (3). The outer wall of the discharge pipe (9) is provided with an avoidance opening that matches the mixing chamber (3).

8. The tablet coating powder manufacturing and mixing apparatus according to claim 7, characterized in that: The outer wall of each feeding bin (1) is respectively matched with the corresponding cam (11), each cam (11) is driven to rotate by the corresponding motor II, each motor II is fixed on the frame, each feeding bin (1) is slidably connected to the frame, and each feeding bin (1) is connected to the mixing bin (3) through the corresponding hose (15).

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