Crushing device

Abstract

The utility model discloses a crushing device, and belongs to the technical field of material crushing. The crushing device comprises a stand column and a box body arranged at the upper end of the stand column, a stirring shaft sequentially penetrates through the box body, a first crushing part and a first screen and extends into a second crushing part, the stirring shaft is of a hollow structure, and a first through hole is formed in the stirring shaft; a stirring rod communicated with the stirring shaft and a cleaning assembly matched with the first screen are arranged on the stirring shaft located at the first crushing part, second through holes and cutting blades are arranged on the stirring rod at intervals, and stirring blades are arranged on the stirring shaft located at the second crushing part; a discharging assembly is arranged at the bottom of the box, a feeding assembly, a dehumidification assembly and a driving assembly in transmission connection with the stirring shaft are arranged at the top of the box, one end of the dehumidification assembly communicates with the stirring shaft, and the other end of the dehumidification assembly is inserted into the top of the side, away from the stirring shaft, of the box. And through cooperation of hot air flow and the blades, the material crushing effect is improved, meanwhile, the materials are prevented from adhering to the interior of the box body, and the yield is guaranteed.

Description

Technical Field

[0001] The present application relates to a pulverizing device, and belongs to the technical field of material pulverizing. Background Art

[0002] In the process of drug preparation, it is often necessary to crush bulk materials. For example, in the process of preparing a pharmaceutical composition containing baricitinib, the active ingredients (baricitinib, filler, disintegrant, lubricant and coating agent) need to be crushed and sieved before use. Among them, fillers, disintegrants and lubricants are prone to moisture condensation during the production process.

[0003] At present, most of the materials are crushed by mechanical crushing equipment in production, but the existing crushing device does not have the function of drying and dehumidifying the materials, which causes the damp materials to easily adhere to the inner wall of the box, the stirring shaft, the stirring rod and the blade after entering the crushing box, thereby causing material waste and affecting the output. In order to solve the above problems, a crushing device is proposed in this application. Utility Model Content

[0004] In order to solve the above problems, the present application proposes a crushing device, which not only improves the crushing effect of the material through the cooperation of hot air flow and blades, but also prevents the material from adhering to the box body, thereby ensuring the output.

[0005] The technical solution adopted by the utility model is as follows:

[0006] A crushing device, comprising a column and a box, wherein the box is arranged at the upper end of the column, wherein a first crushing part and a second crushing part are arranged in the box, wherein the first crushing part and the second crushing part are separated by a first screen, wherein a stirring shaft passes through the box, the first crushing part and the first screen in sequence and extends into the second crushing part, wherein the stirring shaft is a hollow structure, wherein a plurality of first through holes are arranged thereon, wherein a stirring rod and a cleaning component are arranged on the stirring shaft located in the first crushing part, wherein the stirring rod is a hollow structure, wherein a plurality of second through holes and a cutting blade are arranged thereon at intervals, wherein the stirring shaft is connected to the stirring rod, wherein the cleaning component cooperates with the first screen, and wherein a crushing blade is arranged on the stirring shaft located in the second crushing part;

[0007] A discharging assembly is arranged at the bottom of the box body, and a feeding assembly, a dehumidification assembly and a driving assembly are arranged at the top of the box body. The driving assembly is transmission-connected to the stirring shaft, one end of the dehumidification assembly is connected to the stirring shaft, and the other end is plugged into the top of the box body away from the stirring shaft.

[0008] Optionally, the dehumidification component includes an air inlet duct, a hot air furnace and a return air duct, and a heating body, a blower and a moisture absorbing mesh are arranged in sequence in the hot air furnace. One end of the air inlet duct is connected to a side of the hot air furnace close to the heating body, and the other end is connected to a stirring shaft. One end of the return air duct is connected to a side of the hot air furnace close to the moisture absorbing mesh, and the other end is inserted into the top of the box body away from the stirring shaft.

[0009] Optionally, the driving assembly includes a motor, a first gear and a second gear, the first gear is arranged at the output end of the motor, the second gear is arranged at the top of the stirring shaft, and the first gear is meshed with the second gear.

[0010] Optionally, the first screen is bucket-shaped and is movably connected to the stirring shaft via a sealed bearing.

[0011] Optionally, the stirring rod is located above the cleaning assembly, and the cleaning assembly includes a connecting member and bristles, and the bristles are arranged at an end of the connecting member away from the stirring shaft.

[0012] Optionally, a protective net is disposed in each of the first through hole and the second through hole.

[0013] Optionally, the feed assembly comprises a feed hopper and a sealing cover, and the sealing cover is arranged at one end of the feed hopper away from the box body.

[0014] Optionally, the discharging assembly includes a discharging hopper and a discharging pipe, and a valve is provided between the discharging hopper and the discharging pipe.

[0015] Optionally, a second screen is provided at one end of the discharge hopper away from the discharge pipe, a suspension rod is provided at the bottom of the stirring shaft, and bristles are provided at one end of the suspension rod away from the stirring shaft.

[0016] Optionally, a material collection box is provided directly below the discharge pipe.

[0017] The beneficial effects of this application include but are not limited to:

[0018] The pulverizing device provided in the present application comprises a first pulverizing part and a second pulverizing part. Through two pulverizing processes, it can ensure that the material is fully pulverized and the pulverizing effect is improved. The setting of the stirring shaft and the stirring rod can make the airflow enter the box in all directions, blow up the material, collide and rub with the blade, increase the fluidity and distribution uniformity of the material in the crushing area, and thus improve the crushing effect. By setting a cleaning component, the residue on the first screen can be cleaned in time during the stirring process to prevent blockage and ensure the continuity and stability of the pulverizing process. The setting of the dehumidification component, on the one hand, can make the hot air evenly distributed in the material through the through holes on the stirring shaft and the stirring rod, effectively remove the moisture therein, improve the pulverizing effect and product quality, and on the other hand, can also recycle the heat energy, saving energy and protecting the environment. By setting the discharging component, the feeding component and the driving component, the structure is compact and the layout is reasonable, which ensures the normal operation of the pulverizing device, realizes the effective pulverizing and drying of the material, and ensures the production output. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0020] Figure 1 This is a schematic diagram of the structure of a pulverizing device according to an embodiment of the present application;

[0021] Figure 2 This is a schematic diagram of the structure of the hot air furnace involved in the embodiment of the present application;

[0022] Figure 3 is a schematic structural diagram of a first through hole involved in an embodiment of the present application;

[0023] List of parts and reference numerals:

[0024] 1. Column, 2. Box, 3. First crushing part, 4. Second crushing part, 5. First screen, 6. Stirring shaft, 7. First through hole, 8. Stirring rod, 9. Second through hole, 10. Cutting blade, 11. Crushing blade, 12. Air inlet pipe, 13. Hot air furnace, 14. Return air pipe, 15. Heating body, 16. Blower, 17. Moisture absorption screen, 18. Motor, 19. First gear, 20. Second gear, 21. Bracket, 22. Connector, 23. Brush, 24. Protective net, 25. Feed hopper, 26. Sealing cover, 27. Discharge hopper, 28. Discharge pipe, 29. Valve, 30. Second screen, 31. Suspension rod, 32. Collecting box. DETAILED DESCRIPTION

[0025] In order to more clearly illustrate the overall concept of the present application, a detailed description is given below in an illustrative manner in conjunction with the accompanying drawings.

[0026] In order to more clearly understand the above-mentioned purposes, features and advantages of the present application, the present application is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0027] In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present application is not limited to the specific embodiments disclosed below.

[0028] In addition, in the description of the present application, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0029] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0030] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0031] In the present application, unless otherwise clearly specified and limited, a first feature "above" or "below" a second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0032] Reference Figure 1-3 , introduces a crushing device according to the present application.

[0033] The crushing device according to the present embodiment includes a column 1 and a box 2, the box 2 is arranged at the upper end of the column 1, and a first crushing part 3 and a second crushing part 4 are provided in the box 2, and the first crushing part 3 and the second crushing part 4 are separated by a first screen 5. The stirring shaft 6 passes through the box 2, the first crushing part 3 and the first screen 5 in sequence and extends into the second crushing part 4. Through the two crushing processes, it can ensure that the material is fully crushed and the crushing effect is improved; the stirring shaft 6 is a hollow structure, and a plurality of first through holes 7 are arranged on it, so that the airflow enters the box 2, blows up the material, collides and rubs with the blade, so as to crush the material. Purpose: A stirring rod 8 and a cleaning assembly are arranged on the stirring shaft 6 located in the first crushing part 3. The stirring rod 8 is a hollow structure, and a plurality of second through holes 9 and cutting blades 10 are arranged thereon at intervals. The stirring shaft 6 is connected with the stirring rod 8, so that the airflow can flow out from multiple directions, which helps to increase the fluidity and distribution uniformity of the material in the crushing area, thereby improving the crushing effect; the cleaning assembly cooperates with the first screen 5, so as to clean the residue on the first screen 5 in time during the stirring process, prevent blockage, and ensure the continuity and stability of the crushing process; a crushing blade 11 is arranged on the stirring shaft 6 located in the second crushing part 4;

[0034] A discharging assembly is provided at the bottom of the box body 2, which has a compact structure and a reasonable layout, and is convenient for discharging the crushed materials in time; a feeding assembly, a dehumidification assembly and a driving assembly are provided at the top of the box body 2, and the driving assembly is transmission-connected to the stirring shaft 6. One end of the dehumidification assembly is connected to the stirring shaft 6, and the other end is plugged into the top of the box body 2 away from the stirring shaft 6. On the one hand, the hot air can be evenly distributed in the material through the through holes on the stirring shaft 6 and the stirring rod 8, effectively removing moisture therein, improving the crushing effect and product quality, and on the other hand, the heat energy can be recycled, which is energy-saving and environmentally friendly.

[0035] Reference Figure 2As an implementation mode, the dehumidification component includes an air inlet pipe 12, a hot air stove 13 and a return air pipe 14. A heating body 15, a blower 16 and a moisture absorbing mesh plate 17 are sequentially arranged in the hot air stove 13. One end of the air inlet pipe 12 is connected to a side of the hot air stove 13 close to the heating body 15, and the other end is connected to the stirring shaft 6. One end of the return air pipe 14 is connected to a side of the hot air stove 13 close to the moisture absorbing mesh plate 17, and the other end is inserted into the top of the box 2 away from the stirring shaft 6.

[0036] The wind generated by the blower 16 is heated by the heater 15 and then enters the box 2 to dry the material. The air in the box 2 re-enters the hot air furnace 13 from the return air duct 14, absorbs the moisture in the moisture-absorbing mesh plate 17, and then circulates to dry the material in the box 2, thereby ensuring the drying effect and achieving full utilization of thermal energy.

[0037] The present application does not limit the specific types of the heating body 15 and the hygroscopic mesh plate 17. The heating body 15 can be any heat source that consumes electrical energy, such as an electric heating plate, and the hygroscopic mesh plate 17 can be a mesh plate containing any hygroscopic material, such as silica gel.

[0038] Specifically, the air inlet pipe 12 and the stirring shaft 6 are connected via a sealed bearing to prevent gas leakage during transmission, thereby ensuring the airtightness of the connection between the two and helping to improve the crushing efficiency.

[0039] As an embodiment, the driving assembly includes a motor 18, a first gear 19 and a second gear 20. The first gear 19 is arranged at the output end of the motor 18, and the second gear 20 is arranged at the top of the stirring shaft 6. The first gear 19 is meshed with the second gear 20 to rotate the stirring shaft 6, thereby driving the stirring rod 8, the cleaning assembly, the crushing blade 11 and the suspension rod 31 to rotate, thereby crushing and cleaning the material.

[0040] It can be understood that a bracket 21 is provided on the top of the box body 2, and the motor 18 is connected to the lower end of the bracket 21 to ensure that it remains stable during operation and improve space utilization.

[0041] As an implementation method, the first screen 5 is bucket-shaped, which is beneficial to reduce the accumulation and clogging of materials during the crushing process. The first screen 5 and the stirring shaft 6 are movably connected through a sealed bearing, so that the stirring shaft 6 can rotate freely in the screen. The structure is stable, maintenance is convenient, and the flexibility of use is improved.

[0042] As an embodiment, the stirring rod 8 is located above the cleaning component, and the cleaning component includes a connecting part 22 and bristles 23. The bristles 23 are arranged at the end of the connecting part 22 away from the stirring shaft 6. The structure is compact. In addition to the crushing function, it also integrates a cleaning function, which can prevent the screen from being blocked and ensure the normal operation of the equipment.

[0043] As an implementation manner, a protective net 24 is disposed in each of the first through hole 7 and the second through hole 9 to prevent materials from entering the stirring shaft 6 and the stirring rod 8 .

[0044] As an embodiment, the feed assembly includes a feed hopper 25 and a sealing cover 26. The sealing cover 26 is provided at one end of the feed hopper 25 away from the box body 2, which can protect the material from the influence of the external environment and help maintain the quality and stability of the material.

[0045] As an implementation mode, the discharging assembly includes a discharging hopper 27 and a discharging pipe 28, and a valve 29 is provided between the discharging hopper 27 and the discharging pipe 28, which is easy to operate, helps to control the discharging process of the material, and improves the production flexibility.

[0046] As an embodiment, a second screen 30 is provided at one end of the discharge hopper 27 away from the discharge pipe 28, which is convenient for further screening of the material and helps to improve product quality. A hanging rod 31 is provided at the bottom of the stirring shaft 6, and a brush 23 is provided at one end of the hanging rod 31 away from the stirring shaft 6 to prevent the screen from being blocked and affecting the discharge.

[0047] It can be understood that the present application does not impose any specific limitation on the mesh sizes of the first sieve 5 and the second sieve 30 , as long as the mesh size of the first sieve 5 is smaller than the mesh size of the second sieve 30 .

[0048] As an implementation mode, a collection box 32 is provided directly below the discharge pipe 28 to facilitate the collection of the crushed materials.

[0049] The working principle of the pulverizing device according to this embodiment is:

[0050] Open the sealing cover 26, put the material into the box body 2 through the feed hopper 25, cover the sealing cover 26, start the motor 18, the heater 15 and the blower 16, so that the stirring shaft 6 rotates, and at the same time, the hot air enters the stirring shaft 6 and the stirring rod 8, and the cutting blade 10 and the crushing blade 11 are used to crush the material. During this period, the first screen 5 and the second screen 30 are cleaned by the bristles 23. The air entering the return air duct 14 absorbs moisture through the hygroscopic mesh plate 17 and flows to the box body 2 again. After the crushing is completed, turn off the motor 18, the heater 15 and the blower 16, open the valve 29, and the material reaching the discharge hopper 27 flows into the collecting box 32 through the discharge pipe 28.

[0051] Each embodiment in this specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment.

[0052] The above is only an embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A comminution device, characterized in that: It comprises a column and a box body, wherein the box body is arranged at the upper end of the column, and a first crushing part and a second crushing part are arranged in the box body, and the first crushing part and the second crushing part are separated by a first screen, and a stirring shaft passes through the box body, the first crushing part and the first screen in sequence and extends into the second crushing part, and the stirring shaft is a hollow structure, and a plurality of first through holes are arranged on it, and a stirring rod and a cleaning component are arranged on the stirring shaft located in the first crushing part, and the stirring rod is a hollow structure, and a plurality of second through holes and a cutting blade are arranged on it at intervals, and the stirring shaft is connected with the stirring rod, and the cleaning component cooperates with the first screen, and a crushing blade is arranged on the stirring shaft located in the second crushing part; A discharging assembly is arranged at the bottom of the box body, and a feeding assembly, a dehumidification assembly and a driving assembly are arranged at the top of the box body. The driving assembly is transmission-connected to the stirring shaft, one end of the dehumidification assembly is connected to the stirring shaft, and the other end is plugged into the top of the box body away from the stirring shaft.

2. The pulverizing device according to claim 1, characterized in that: The dehumidification component includes an air inlet pipe, a hot air furnace and a return air pipe. A heating body, a blower and a moisture absorbing mesh are arranged in sequence in the hot air furnace. One end of the air inlet pipe is connected to a side of the hot air furnace close to the heating body, and the other end is connected to the stirring shaft. One end of the return air pipe is connected to a side of the hot air furnace close to the moisture absorbing mesh, and the other end is plugged into the top of the box body away from the stirring shaft.

3. The pulverizing device according to claim 1, characterized in that: The driving assembly includes a motor, a first gear and a second gear, wherein the first gear is arranged at the output end of the motor, the second gear is arranged at the top of the stirring shaft, and the first gear is meshed with the second gear.

4. The pulverizing device according to claim 1, characterized in that: The first screen is bucket-shaped and is movably connected to the stirring shaft via a sealed bearing.

5. The pulverizing device according to claim 1, characterized in that: The stirring rod is located above the cleaning assembly. The cleaning assembly includes a connecting piece and bristles. The bristles are arranged at an end of the connecting piece away from the stirring shaft.

6. The pulverizing device according to claim 1, characterized in that: A protective net is disposed in each of the first through hole and the second through hole.

7. The pulverizing device according to claim 1, characterized in that: The feed assembly comprises a feed hopper and a sealing cover, wherein the sealing cover is arranged at one end of the feed hopper away from the box body.

8. The pulverizing device according to claim 1, characterized in that: The discharging assembly comprises a discharging hopper and a discharging pipe, and a valve is arranged between the discharging hopper and the discharging pipe.

9. The pulverizing device according to claim 8, characterized in that: A second screen is arranged at one end of the discharge hopper away from the discharge pipe, a suspension rod is arranged at the bottom of the stirring shaft, and bristles are arranged at one end of the suspension rod away from the stirring shaft.

10. The pulverizing device according to claim 8, characterized in that: A material collecting box is arranged directly below the discharge pipe.

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