Stirring device and wet type granulator

Abstract

The utility model discloses a stirring device and wet type granulator relates to wet type granulator technical field, including stirring tank and scraper blade subassembly, the inside of stirring tank is provided with stirring frame group, and the middle of stirring frame group vertically passes through transmission shaft, and the top end of transmission shaft is equipped with the fixed ring, and the scraper blade subassembly is equipped with the fixed ring. The scraping plate assemblies are connected to the periphery of the stirring frame set in an annular array mode, and a scraper assembly is arranged at the bottom of the connecting disc. According to the stirring device and the wet type granulator, the six groups of scraper blade assemblies are mounted around the stirring frame group in an annular array, so that the stirring frame group axially rotating in the vertical direction can drive the scraper blade assemblies connected with the stirring frame group to synchronously rotate along with the structural transmission of the transmission shaft; on one hand, the scraper assembly can assist the stirring frame set in rapidly stirring and mixing materials, on the other hand, it can be ensured that the materials cannot be adhered to the inner wall of the stirring tank in real time, and meanwhile the scraper assembly can be used for synchronously cleaning the surface of the inner bottom side of the stirring tank at the same time.

Description

Technical Field

[0001] The utility model relates to the technical field of wet granulators, and specifically relates to a stirring device and a wet granulator. Background Art

[0002] A wet granulator is a device used to grind moist powder materials into required granules. It can not only process moist powder materials, but also crush lumpy dry materials into required granules. The main features of this machine include easy installation and disassembly of the sieve mesh, which can be appropriately adjusted in tightness, convenient disassembly of the heptagonal drum and easy cleaning. The mechanical transmission system is completely enclosed in the machine body and is equipped with a lubrication system to ensure stable operation of the whole machine. Wet granulators are widely used in the fields of pharmaceuticals, food, chemicals, etc. Especially in the pharmaceutical industry, it is used to grind moist powder raw materials into granules, which are dried and then used for pressing tablets. It can also crush materials that have coagulated into lumps during storage. In addition, wet granulators are also suitable for processing foods such as candies and sugar mixtures, malted milk, etc., as well as other industrial mixtures such as ceramics, plastics, etc., to make them into formed granules.

[0003] Due to the structural limitations of the internal stirring device of conventional wet granulators, when mixing and stirring materials, the materials will adhere to the inner wall surface of the stirring tank. On the one hand, it will lead to insufficient mixing of the materials, and on the other hand, it will cause inconvenience in later maintenance and cleaning.

[0004] Therefore, in view of this, research and improvement are carried out on the existing structure and deficiencies, and a stirring device and a wet granulator are proposed. Content of the Utility Model

[0005] The purpose of the utility model is to provide a stirring device and a wet granulator to solve the problems raised in the above background art.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A stirring device and a wet granulator, including a stirring tank and a scraper assembly. A stirring frame group is arranged inside the stirring tank, and a transmission shaft vertically penetrates through the middle of the stirring frame group. A fixing ring is installed at the top of the transmission shaft. The scraper assembly is annularly and arrayedly connected around the stirring frame group. A connecting disk is arranged at the bottom of the stirring frame group, and a scraper knife assembly is arranged at the bottom of the connecting disk. The scraper assembly includes a stabilizing frame, a connecting frame, and a scraper main body. A connecting frame is arranged in the middle of one side of the stabilizing frame close to the stirring frame group, and a scraper main body is installed on the side of the stabilizing frame away from the connecting frame.

[0007] Further, the stirring frame group includes a main pile body, stirring knives, and fixing frames. Six groups of stirring knives are annularly and arrayedly installed around the main pile body, and fixing frames are obliquely installed in the middle section of the top of the stirring knives.

[0008] Furthermore, the main pile body, the stirring blades and the fixing frame are welded to each other, and the connecting frame is connected to the top end of the fixing frame through a bolt structure.

[0009] Furthermore, the stirring frame group is threadedly connected to the transmission shaft, and the fixing ring is threadedly connected to the transmission shaft.

[0010] Furthermore, the scraper assembly includes a connecting bushing, a scraper body and a wear-resistant coating. Three scraper bodies are annularly arranged around the connecting bushing, and the surface of the scraper body is sprayed with a wear-resistant coating.

[0011] Furthermore, the stirring frame group, the fixing ring, the connecting disc and the scraper assembly are connected by a bolt structure, and both the connecting disc and the scraper assembly are threadedly connected to the transmission shaft.

[0012] Furthermore, a groove structure matching the bottom surface structure of the main pile body is formed on the top surface of the connecting disc, and a groove structure matching the top surface structure of the connecting bushing is formed on the bottom surface of the connecting disc.

[0013] A wet granulator is provided with the stirring device as described above.

[0014] The utility model provides a stirring device and a wet granulator, which have the following beneficial effects:

[0015] 1. In the utility model, the connecting frame on one side of the stabilizing frame is connected to the top end of the fixing frame by adopting a bolt structure, so that the scraper body vertically installed on one side of the stabilizing frame fits against the inner wall of the stirring tank. By using the above structure, on the one hand, when the whole stirring frame group rotates axially in the vertical direction, the connected scraper assembly can rotate synchronously. With the cooperation of the stirring frame group and the scraper assembly, a combined stirring structure can be formed inside the stirring tank to mix and stir the materials to the greatest extent, so as to ensure the stirring effect and operation efficiency. On the other hand, while the scraper assembly assists the stirring frame group to stir the materials, the scraper body attached to the inner wall of the stirring tank will move along the surface of the inner wall of the stirring tank, thus preventing the materials from adhering to the inner wall of the stirring tank, achieving structural cleaning and further ensuring the sufficiency of the material stirring and mixing.

[0016] 2. In the present utility model, a scraper assembly is connected to the bottom of the connecting plate. The scraper assembly is connected to the bottom of the connecting plate and the stirring frame group, and a bolt structure is used to connect and fix the stirring frame group, the fixing ring, the connecting plate, and the scraper assembly on the same vertical axis. The main pile body, the fixing ring, the connecting plate, and the connecting shaft sleeve are all threadedly connected to the transmission shaft. With the use of the above structure, as the stirring frame group rotates axially vertically, the scraper assembly at the bottom rotates synchronously. On the one hand, it can further assist the stirring frame group to provide stirring effect at the bottom. At the same time, the scraper body abuts against the inner bottom surface of the stirring tank. Therefore, while the structure rotates, it can also prevent materials from adhering to the inner bottom surface of the stirring tank, which is convenient for subsequent structural maintenance and cleaning. On the other hand, the combined use of the stirring frame group, the fixing ring, the connecting plate, and the scraper assembly with the transmission shaft also makes the entire device structure have firm connection while being convenient for structural disassembly and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 FIG. 6 is a schematic side view of the main body of a stirring device and a wet granulator according to the present utility model;

[0018] Figure 2 FIG. 10 is an exploded structural view of the main body of a stirring device and a wet granulator according to the present utility model;

[0019] Figure 3 FIG. 14 is a three-dimensional structural view of the stirring frame group of a stirring device and a wet granulator according to the present utility model;

[0020] Figure 4 FIG. 18 is a three-dimensional structural view of the scraper assembly of a stirring device and a wet granulator according to the present utility model;

[0021] Figure 5 FIG. 22 is a three-dimensional structural view of the scraper blade assembly of a stirring device and a wet granulator according to the present utility model.

[0022] In the figure: 1, stirring tank; 2, stirring frame group; 201, main pile body; 202, stirring blade; 203, fixing frame; 3, transmission shaft; 4, fixing ring; 5, scraper assembly; 501, stabilizing frame; 502, connecting frame; 503, scraper body; 6, connecting plate; 7, scraper blade assembly; 701, connecting shaft sleeve; 702, scraper blade body; 703, wear-resistant coating. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] The following further describes in detail the embodiments of the present utility model in conjunction with the drawings and examples. The following examples are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0024] As Figures 1 to 5As shown in the figure, a stirring device and a wet granulator include a stirring tank 1 and a scraper assembly 5. A stirring frame group 2 is arranged inside the stirring tank 1, and a transmission shaft 3 vertically penetrates through the middle of the stirring frame group 2. Moreover, a fixing ring 4 is installed at the top end of the transmission shaft 3. The scraper assembly 5 is connected in a circular array around the stirring frame group 2. And a connecting disk 6 is arranged at the bottom of the stirring frame group 2. Moreover, a scraping knife assembly 7 is arranged at the bottom of the connecting disk 6. The scraper assembly 5 includes a stabilizing frame 501, a connecting frame 502, and a scraper main body 503. A connecting frame 502 is arranged in the middle of one side of the stabilizing frame 501 close to the stirring frame group 2. And a scraper main body 503 is installed on the side of the stabilizing frame 501 away from the connecting frame 502. The stirring frame group 2 includes a main pile body 201, stirring knives 202, and a fixing frame 203. Six groups of stirring knives 202 are installed in a circular array around the main pile body 201. And a fixing frame 203 is obliquely installed in the middle section of the top of the stirring knife 202. The main pile body 201, the stirring knives 202, and the fixing frame 203 are welded to each other. And the connecting frame 502 is connected to the top end of the fixing frame 203 through a bolt structure. By using the bolt structure to connect the connecting frame 502 on one side of the stabilizing frame 501 to the top end of the fixing frame 203, the scraper main body 503 vertically installed on one side of the stabilizing frame 501 is attached to the inner wall of the stirring tank 1. By using the above structure, on the one hand, when the whole stirring frame group 2 rotates axially in the vertical direction, the connected scraper assembly 5 can rotate synchronously to assist stirring, and at the same time, it can clean the inner wall of the stirring tank 1.

[0025] As Figures 1 to 5 shown, the stirring frame group 2 is threadedly connected to the transmission shaft 3, and the fixing ring 4 is threadedly connected to the transmission shaft 3. The scraping knife assembly 7 includes a connecting shaft sleeve 701, a scraping knife main body 702, and a wear-resistant coating 703. Three groups of scraping knife main bodies 702 are arranged in a circular array around the connecting shaft sleeve 701. And a wear-resistant coating 703 is sprayed on the surface of the scraping knife main body 702. The stirring frame group 2, the fixing ring 4, the connecting disk 6, and the scraping knife assembly 7 are connected through a bolt structure. And both the connecting disk 6 and the scraping knife assembly 7 are threadedly connected to the transmission shaft 3. A groove structure matching the bottom surface structure of the main pile body 201 is provided on the top surface of the connecting disk 6. And a groove structure matching the top surface structure of the connecting shaft sleeve 701 is provided on the bottom surface of the connecting disk 6. As the stirring frame group 2 rotates axially vertically, the bottom scraping knife assembly 7 rotates synchronously. On the one hand, it can further assist the stirring frame group 2 to provide the stirring effect at the bottom. At the same time, the scraping knife main body 702 abuts against the inner bottom surface of the stirring tank 1. Therefore, while the structure rotates, it can also prevent the material from adhering to the inner bottom surface of the stirring tank 1, which is convenient for subsequent structural maintenance and cleaning.

[0026] A wet granulator is installed with the stirring device as described above. Six sets of scraper assemblies 5 are installed around the stirring frame group 2 in a circular array. With the structural transmission of the transmission shaft 3, the stirring frame group 2 that rotates axially in the vertical direction will drive the connected scraper assemblies 5 to rotate synchronously. On the one hand, the scraper assemblies 5 can assist the stirring frame group 2 to quickly stir and mix the materials. On the other hand, it can ensure in real time that the materials will not adhere to the inner wall of the stirring tank 1. At the same time, the use of the scraper assembly 7 can clean the surface of the inner bottom side of the stirring tank 1 synchronously.

[0027] In summary, as Figures 1 to 5 shown, for this stirring device and the wet granulator, during use, first screw the scraper assembly 7, the connecting disk 6, the stirring frame group 2 and the fixing ring 4 onto the surface of the transmission shaft 3 in sequence, and make the various structural parts dock with each other. Then use the bolt structure to, and then further connect and fix the scraper assembly 7, the connecting disk 6, the stirring frame group 2 and the fixing ring 4. Then connect and fix the connecting frame 502 on one side of the stabilizing frame 501 to the top of the fixing frame 203 obliquely arranged in the middle section of the stirring blade 202 in the vertical direction by using the bolt structure;

[0028] When the external drive unit drives the transmission shaft 3 to rotate axially vertically inside the stirring tank 1, at this time, the stirring frame group 2, the scraper assemblies 5 and the scraper assembly 7 rotate synchronously. While the stabilizing frame 501 and the scraper body 503 assist the stirring blades 202 around the main pile body 201 to mix the materials, the scraper body 503 and the scraper blade body 702 will clean the inner wall surface of the stirring tank 1 synchronously to ensure that the materials do not adhere while ensuring the sufficiency of the material mixing and stirring.

[0029] The embodiments of the present invention are given for purposes of illustration and description, and are not exhaustive or limit the present invention to the disclosed form. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are chosen and described in order to better illustrate the principles of the present invention and its practical application, and to enable those of ordinary skill in the art to understand the present invention and thus design various embodiments with various modifications suitable for specific purposes.

Claims

1. A stirring device, comprising a stirring tank (1) and a scraper assembly (5), characterized in that: The stirring tank (1) is provided with a stirring frame group (2) inside, and a transmission shaft (3) vertically penetrates the middle of the stirring frame group (2), and a fixing ring (4) is installed at the top of the transmission shaft (3), the scraper assembly (5) is connected to the stirring frame group (2) in a circular array, and a connecting plate (6) is provided at the bottom of the stirring frame group (2), and a scraper assembly (7) is provided at the bottom of the connecting plate (6), and the scraper assembly (5) comprises a stabilizing frame (501), a connecting frame (502) and a scraper body (503), the connecting frame (502) is provided in the middle of one side of the stabilizing frame (501) close to the stirring frame group (2), and the scraper body (503) is installed on the side of the stabilizing frame (501) away from the connecting frame (502).

2. A stirring device according to claim 1, characterized in that: The stirring frame group (2) comprises a main pile body (201), stirring blades (202) and a fixing frame (203); six groups of stirring blades (202) are installed in a circular array around the main pile body (201); and the fixing frame (203) is obliquely installed at the top middle section of the stirring blades (202).

3. A stirring device according to claim 2, characterized in that: The main pile body (201), the stirring blade (202) and the fixing frame (203) are connected to each other by welding, and the connecting frame (502) is connected to the top end of the fixing frame (203) by means of a bolt structure.

4. A stirring device according to claim 1, characterized in that: The stirring frame group (2) is threadedly connected to the transmission shaft (3), and the fixing ring (4) is threadedly connected to the transmission shaft (3).

5. A stirring device according to claim 2, characterized in that: The scraper assembly (7) comprises a connecting sleeve (701), a scraper body (702) and a wear-resistant coating (703); three groups of scraper bodies (702) are arranged in an annular array around the connecting sleeve (701), and the surface of the scraper body (702) is sprayed with the wear-resistant coating (703).

6. A stirring device according to claim 1, characterized in that: The stirring frame assembly (2), the fixing ring (4), the connecting plate (6) and the scraper assembly (7) are connected via a bolt structure, and the connecting plate (6) and the scraper assembly (7) are both threadedly connected to the transmission shaft (3).

7. A stirring device according to claim 5, characterized in that: The top surface of the connection plate (6) is provided with a groove structure matching the bottom surface structure of the main pile body (201), and the bottom surface of the connection plate (6) is provided with a groove structure matching the top surface structure of the connection sleeve (701).

8. A wet granulator, characterized in that: The wet granulator is equipped with a stirring device as described in any one of claims 1-7.

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