A screening apparatus for tantalum carbide

Abstract

The utility model discloses a kind of screening equipment for tantalum carbide, including base and screening cylinder, wherein: screening cylinder is set on the upper end of base, the control panel is fixedly installed in base front side outer wall by bolt, drawer one is slidably connected in the right side of base, the upper end of screening cylinder is hingedly connected with cylinder cover, screening cylinder is fixedly installed with screen in its inside, screening mechanism is set in the inside of base, including hollow shaft rotationally connected in the inside center of base, the upper end of hollow shaft is fixedly installed with guide block, the top of guide block is provided with air outlet, the air outlet and hollow shaft are interconnected, transmission belt is arranged between the output shaft of motor and the outer wall of hollow shaft, the drop groove is located just above control panel, by setting screening mechanism, on one hand, agglomerated tantalum carbide can be dispersed, improve screening effect, meanwhile, the mesh of screen can be dredged, prevent tantalum carbide from plugging mesh, leading to screening efficiency reduction.

Description

Technical Field

[0001] This utility model relates to the field of screening equipment technology, and in particular to a screening device for tantalum carbide. Background Technology

[0002] In modern industrial production, tantalum carbide is widely used in many fields such as cemented carbide, aerospace, and electronics due to its excellent properties, including high melting point, high hardness, good wear resistance, and chemical stability. For example, in the field of cemented carbide, tantalum carbide is often added to alloys to improve their hardness and wear resistance, thereby significantly improving the performance and service life of cutting tools, molds, and other products.

[0003] In the production of tantalum carbide, sieving is a crucial step, playing a vital role in ensuring the uniformity of product particle size and the stability of quality. Sieving allows for the precise and effective separation of tantalum carbide particles of different sizes, meeting the stringent particle size requirements of various industries. However, current traditional sieving technologies for tantalum carbide exhibit several problems that urgently need to be addressed. Firstly, the inherent physical properties of tantalum carbide, such as irregular particle shape and high surface roughness, make it highly susceptible to clogging during sieving. Clogging not only significantly reduces sieving efficiency and slows production, but can also lead to decreased sieving accuracy, making it difficult to guarantee product quality. Secondly, due to the strong agglomeration tendency of tantalum carbide powder, particles tend to aggregate during storage and transportation due to van der Waals forces. Existing sieving equipment generally lacks effective deagglomeration capabilities for tantalum carbide, preventing these agglomerates from passing through the sieve smoothly. This not only affects sieving efficiency but also results in material waste and increased production costs.

[0004] Therefore, this application provides a screening device for tantalum carbide. Utility Model Content

[0005] This invention provides a screening device for tantalum carbide, which can solve the problems of screen clogging and tantalum carbide powder agglomeration that prevent screening during the screening process in traditional tantalum carbide screening equipment.

[0006] This utility model provides a screening device for tantalum carbide, comprising:

[0007] A screening device includes a base and a screening cylinder, wherein: the screening cylinder is disposed on the upper end of the base, a control panel is fixedly installed on the front outer wall of the base by bolts, a drawer is slidably connected to the right side of the base, a cylinder cover is hinged to the upper end of the screening cylinder, and a screen is fixedly installed inside the screening cylinder;

[0008] The screening mechanism, located inside the base, includes a hollow rotating shaft rotatably connected to the center of the base, a motor fixedly installed on one side of the base, a fan fixedly installed on the other side of the base, and a drop trough located on one side of the upper surface of the base. The fan is located directly below the hollow rotating shaft. A guide block is fixedly installed on the upper end of the hollow rotating shaft, and an air outlet is provided on the top of the guide block. The air outlet is connected to the hollow rotating shaft. A transmission belt is provided between the output shaft of the motor and the outer wall of the hollow rotating shaft. The drop trough is located directly above the control panel.

[0009] In a screening device for tantalum carbide according to one embodiment of the present invention, a cleaning part is provided on one side of the lower end of the guide block, and the cleaning part is in contact with the lower wall of the base.

[0010] In a sieving device for tantalum carbide according to one embodiment of the present invention, an exhaust screen is fixedly installed inside the air outlet and in the middle of the drawer. The mesh size of the exhaust screen is smaller than the particle size of the tantalum carbide particles.

[0011] In a screening device for tantalum carbide according to one embodiment of the present invention, control buttons and a display screen are provided on the outside of the control panel, and a control circuit board and a battery are provided inside the control panel. The control panel is electrically connected to the motor and the fan.

[0012] In a screening device for tantalum carbide according to one embodiment of the present invention, a cylinder is fixedly installed inside one side of the base. An air inlet pipe is provided on the outer wall of the upper end of the cylinder, and the air inlet pipe is located in the upper part of the cylinder and is tangentially connected to the cylinder. The drop groove is connected to one side of the air inlet pipe. A cone is fixedly installed at the lower end of the cylinder. A central tube is fixedly installed in the middle of the upper end of the cylinder. The lower end of the central tube extends to the middle of the cone, and the upper end of the central tube extends to the outside of the base.

[0013] In a screening device for tantalum carbide according to an embodiment of the present invention, a drawer two is slidably connected to the base near the control panel. The drawer two is located directly below the cone. An installation plate is fixedly installed on one side of the upper wall of the base. A cloth bag is fixedly installed on one side of the installation plate. The upper end of the central tube is fixedly connected to one side of the installation plate through a flexible hose.

[0014] In a screening device for tantalum carbide according to one embodiment of the present invention, the trough has an inclined structure.

[0015] The technical solutions provided in this application embodiment may include the following beneficial effects: This application designs a screening device for tantalum carbide. By setting a screening mechanism, the agglomerated tantalum carbide can be dispersed to improve the screening effect. At the same time, the mesh of the screen can be cleared to prevent tantalum carbide from clogging the mesh and reducing the screening efficiency.

[0016] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and do not limit this application. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the structure of Embodiment 1 of this application;

[0019] Figure 2 This is a half-sectional view of Embodiment 1 of this application;

[0020] Figure 3 This is a schematic diagram of the guide block structure in Embodiment 1 of this application;

[0021] Figure 4 This is a schematic diagram of the structure of Embodiment 2 of this application;

[0022] Figure 5 This is a half-sectional view of Embodiment 2 of this application. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0024] In the description of this application, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of the stated features. In the description of this application, "a plurality of" means two or more, unless otherwise explicitly specified.

[0025] The following detailed description of some embodiments of this application is provided in conjunction with the accompanying drawings. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0026] Example 1

[0027] like Figures 1 to 3 As shown, this application provides a screening device for tantalum carbide, comprising:

[0028] The screening device 100 includes a base 10 and a screening cylinder 20. The screening cylinder 20 is located on the upper part of the base 10. A control panel 12 is bolted to the front outer wall of the base 10. A drawer 11 is slidably connected to the right side of the base 10. A cylinder cover 21 is hinged to the upper end of the screening cylinder 20. A screen 22 is fixedly installed inside the screening cylinder 20. A screening mechanism 30 is located inside the base 10 and includes a hollow rotating shaft 31 rotatably connected to the center of the base 10 and fixedly installed on the base. The base 10 has a motor 34 on one side, a fan 33 fixedly installed inside the base 10 on the other side, and a drop trough 35 set on one side of the upper surface of the base 10. The fan 33 is located directly below the hollow rotating shaft 31. A guide block 32 is fixedly installed on the upper end of the hollow rotating shaft 31. An air outlet 36 is provided on the top of the guide block 32. The air outlet 36 is connected to the hollow rotating shaft 31. A transmission belt is provided between the output shaft of the motor 34 and the outer wall of the hollow rotating shaft 31. The drop trough 35 is located directly above the control panel 12.

[0029] After adopting the above technical solution, the tantalum carbide to be screened is placed on the upper surface of the screen 22, and then the cylinder cover 21 is closed. The airflow generated by the blower 33 enters the guide block 32 through the hollow rotating shaft 31, and then enters the screening cylinder 20 through the air outlet 36 at the upper end of the guide block 32. The airflow entering the screening cylinder 20 first moves upward and collides with the inner wall of the cylinder cover 21, then flows downward and enters the drop trough 35. The airflow entering the drop trough 35 is finally discharged through the control panel 12. The tantalum carbide is affected by the airflow and first moves upward and collides with the inner wall of the cylinder cover 21, and then collides with the screen 22 during the descent. In the process of multiple collisions, the agglomerated tantalum carbide will be dispersed and finer. Small tantalum carbide particles are carried by the airflow through the screen 22 and eventually enter the drawer 11, thus achieving the sieving operation of tantalum carbide. The motor 34 is driven to rotate by the transmission belt. During the rotation of the motor 34, the guide block 32 at its upper end rotates around the hollow shaft 31, thereby causing the airflow to blow all around the bottom of the screen 22. During the airflow sieving process, the airflow will blow out the tantalum carbide that is blocked in the holes of the screen 22, thus preventing tantalum carbide from clogging the mesh. By setting up the sieving mechanism 30, the agglomerated tantalum carbide can be dispersed to improve the sieving effect. At the same time, the mesh of the screen can be unblocked to prevent tantalum carbide from clogging the mesh and reducing the sieving efficiency.

[0030] In an optional embodiment, a cleaning part 38 is provided on one side of the lower end of the guide block 32. The cleaning part 38 is in contact with the lower wall of the base 10. During the sieving process, some tantalum carbide powder falls through the mesh of the screen 22 onto the upper surface of the base 10. As the guide block 32 rotates, the cleaning part 38 sweeps the fallen tantalum carbide particles into the fall groove 35 to prevent the tantalum carbide particles from accumulating on the upper wall of the base 10.

[0031] In an optional embodiment, an exhaust screen 37 is fixedly installed inside the air outlet 36 and in the middle of the drawer 11. The mesh size of the exhaust screen 37 is smaller than the particle size of tantalum carbide particles. By setting the exhaust screen 37, tantalum carbide is prevented from being discharged into the equipment and wasted.

[0032] In one optional embodiment, the control panel 12 is provided with control buttons and a display screen on the outside, and the control panel 12 is provided with a control circuit board and a battery inside. The control panel 12 is electrically connected to the motor 34 and the fan 33. The control panel 12 controls the motor 34 and the fan 33 to start and stop, and performs automatic screening.

[0033] Example 2

[0034] like Figures 4 to 5As shown, in order to perform multi-stage sieving of tantalum carbide and improve the sieving quality, based on Embodiment 1, a cylinder 41 is fixedly installed inside one side of the base 10. An air inlet pipe is provided on the outer wall of the upper end of the cylinder 41, and the air inlet pipe is located in the upper part of the cylinder 41 and tangentially connected to the cylinder 41. A drop trough 35 is connected to one side of the air inlet pipe. A cone 42 is fixedly installed at the lower end of the cylinder 41, and a central tube 43 is fixedly installed in the middle of the upper end of the cylinder 41. The lower end of the central tube 43 extends to the middle of the cone 42, and the upper end of the central tube 43 extends to the outside of the base 10. After sieving by the screen 22, the tantalum carbide is sieved. Tantalum carbide enters the interior of cylinder 41. The gas containing tantalum carbide powder enters cylinder 41 and moves downward in a spiral motion along the inner wall of cylinder 41 and cone 42, forming an outer vortex. Under the action of centrifugal force, tantalum carbide particles with a density greater than that of the gas are thrown towards the inner wall of the cylinder and slide down along the inner wall under the combined action of gravity and airflow. After the outer vortex reaches the bottom of cone 42, the airflow begins to reverse and rotates in a spiral motion from bottom to top along the axis, forming an inner vortex. The inner turbine carries fine tantalum carbide powder upward along the central tube 43, thereby achieving secondary screening and improving screening quality.

[0035] In one optional embodiment, a drawer 13 is slidably connected to the side of the base 10 near the control panel 12. The drawer 13 is located directly below the cone 42. An mounting plate 14 is fixedly installed on one side of the upper wall of the base 10. A cloth bag 15 is fixedly installed on one side of the mounting plate 14. The upper end of the central tube 43 is fixedly connected to one side of the mounting plate 14 through a flexible hose. Large tantalum carbide particles during secondary screening enter the interior of the drawer 13, and small tantalum carbide particles during secondary screening enter the interior of the cloth bag 15.

[0036] In an optional embodiment, the drop trough 35 has a sloping structure. When the airflow containing tantalum carbide enters the interior of the drop trough 35, it can pass through quickly on the one hand, and on the other hand, the sloping structure can prevent tantalum carbide from accumulating on the inner wall of the drop trough 35.

[0037] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection. They can refer to a mechanical connection or an electrical connection. They can refer to a direct connection or an indirect connection through an intermediate medium, and they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0038] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature being directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0039] The foregoing disclosure provides many different embodiments or examples for implementing different structures of this application. To simplify the disclosure, specific examples of components and arrangements are described above. Of course, these are merely examples and are not intended to limit the scope of this application. Furthermore, reference numerals and / or letters may be repeated in different examples; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. In addition, various specific examples of processes and materials are provided in this application, but those skilled in the art will recognize the application of other processes and / or the use of other materials.

[0040] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with an embodiment or example is included in at least one embodiment or example of this application. 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.

[0041] Although embodiments of this application have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the claims and their equivalents.

Claims

1. A screening device for tantalum carbide, characterized in that, include: A screening device includes a base and a screening cylinder, wherein: the screening cylinder is disposed on the upper end of the base, a control panel is fixedly installed on the front outer wall of the base by bolts, a drawer is slidably connected to the right side of the base, a cylinder cover is hinged to the upper end of the screening cylinder, and a screen is fixedly installed inside the screening cylinder; The screening mechanism, located inside the base, includes a hollow rotating shaft rotatably connected to the center of the base, a motor fixedly installed on one side of the base, a fan fixedly installed on the other side of the base, and a drop trough located on one side of the upper surface of the base. The fan is located directly below the hollow rotating shaft. A guide block is fixedly installed on the upper end of the hollow rotating shaft, and an air outlet is provided on the top of the guide block. The air outlet is connected to the hollow rotating shaft. A transmission belt is provided between the output shaft of the motor and the outer wall of the hollow rotating shaft. The drop trough is located directly above the control panel.

2. The screening equipment for tantalum carbide according to claim 1, characterized in that, A cleaning part is provided on one side of the lower end of the guide block, and the cleaning part is in contact with the lower wall of the base.

3. The screening equipment for tantalum carbide according to claim 1, characterized in that, An exhaust screen is fixedly installed inside the air outlet and in the middle of the drawer. The mesh size of the exhaust screen is smaller than the particle size of tantalum carbide particles.

4. A screening device for tantalum carbide according to claim 1, characterized in that, The control panel is equipped with control buttons and a display screen on its outer side, and a control circuit board and a battery are installed inside the control panel. The control panel is electrically connected to both the motor and the fan.

5. A screening device for tantalum carbide according to claim 1, characterized in that, A cylinder is fixedly installed inside one side of the base. An air inlet pipe is provided on the outer wall of the upper end of the cylinder. The air inlet pipe is located in the upper part of the cylinder and is tangentially connected to the cylinder. The drop groove is connected to one side of the air inlet pipe. A cone is fixedly installed at the lower end of the cylinder. A central tube is fixedly installed in the middle of the upper end of the cylinder. The lower end of the central tube extends to the middle of the cone, and the upper end of the central tube extends to the outside of the base.

6. A screening device for tantalum carbide according to claim 5, characterized in that, A second drawer is slidably connected to the base near the control panel. The second drawer is located directly below the cone. An installation plate is fixedly installed on one side of the upper wall of the base. A cloth bag is fixedly installed on one side of the installation plate. The upper end of the central tube is fixedly connected to one side of the installation plate via a flexible hose.

7. A screening device for tantalum carbide according to claim 1, characterized in that, The drop chute has an inclined structure.

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