A rotary vibration screen for powder production

Abstract

This utility model relates to the field of powder production technology and discloses a rotary vibrating screen for powder production. A vibration mechanism is provided inside the base, and a rotary vibrating screen body is located on top of the vibration mechanism. A cleaning mechanism is located on top of the rotary vibrating screen body. The cleaning mechanism includes a load-bearing plate, which is fixedly connected to the top of the rotary vibrating screen body. A support frame is fixedly connected to the top of the load-bearing plate, and a hydraulic cylinder is fixedly connected to the top of the support frame. A lifting plate is fixedly connected to the bottom of the hydraulic cylinder, and a protective frame is fixedly connected to the bottom of the lifting plate. A drive motor is fixedly connected inside the protective frame, and a rotating shaft is fixedly connected to the bottom of the drive motor. A filter screen is arranged around the rotating shaft. The hydraulic cylinder drives the lifting plate to move the rotating shaft and cleaning brush up and down, and the drive motor drives the cleaning brush to rotate, allowing for close contact with the top of the filter screen for comprehensive cleaning, effectively removing powder residue and blockages from the screen in real time.

Description

Technical Field

[0001] This utility model relates to the field of powder production technology, specifically to a vibrating screen for powder production. Background Technology

[0002] As a highly efficient particle grading and screening device, the rotary vibrating screen is widely used in the production of powders and granules due to its core advantages of compound vibration and multi-layer screening. In the powder production field, the rotary vibrating screen is a key particle size classification device. Its core function is to separate powders of different particle sizes through screen vibration, so as to ensure the material accuracy and product quality in subsequent production processes.

[0003] A vibrating screen for powder production, disclosed in CN221360323U, is equipped with an air pump and a metal pipe. It enables the conveying and re-grinding of powder particles that are not sufficiently ground or cannot meet the required mesh size, thereby improving product precision. It also has a heater tube to dry the powder particles passing through the screen. It is easy to use and can prevent finished products from sticking together.

[0004] This vibrating screen for powder production is equipped with an air pump and metal pipes, which can transport powder particles that are not sufficiently ground and cannot meet the required mesh size. However, during the powder screening process, the powder material is prone to clogging the filter plate, and the device does not have a structure for cleaning the filter plate. When the filter plate is clogged, the screening effect is affected, so improvement is needed. Utility Model Content

[0005] The purpose of this invention is to provide a vibrating screen for powder production to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a rotary vibrating screen for powder production, comprising a base, a vibration mechanism provided on the inner side of the base, a rotary vibrating screen body provided on the top of the vibration mechanism, and a cleaning mechanism provided on the top of the rotary vibrating screen body;

[0007] The cleaning mechanism includes a load-bearing plate, which is fixedly connected to the top of the vibrating screen body. A support frame is fixedly connected to the top of the load-bearing plate, and a hydraulic cylinder is fixedly connected to the top of the support frame. A lifting plate is fixedly connected to the bottom of the hydraulic cylinder, and a protective frame is fixedly connected to the bottom of the lifting plate. A drive motor is fixedly connected to the inside of the protective frame, and a rotating shaft is fixedly connected to the bottom of the drive motor. A filter screen is provided around the rotating shaft, and the filter screen is fixedly connected to the inside of the vibrating screen body. A cleaning brush is fixedly connected around the rotating shaft.

[0008] Preferably, the inner side of the support frame is provided with a groove corresponding to the movement trajectory of the lifting plate, and the lifting plate is slidably connected inside the groove. The groove can limit the movement of the lifting plate, making the lifting plate more stable during the lifting process.

[0009] Preferably, the inner side of the load-bearing plate and the filter screen is provided with a circular hole corresponding to the position of the rotating shaft, and the rotating shaft is slidably connected to the inner side of the circular hole. Through the circular hole, the rotating shaft can slide inside the load-bearing plate and the filter screen, so that when the rotating shaft rises and falls, it can drive the cleaning brush to rise and fall, so that when the filter screen screens the powder material, the cleaning brush is not easily clogged and the powder material shakes at the top of the filter screen.

[0010] Preferably, the cleaning brush is disposed on the top of the filter screen, and the bottom of the cleaning brush is in close contact with the top of the filter screen. The cleaning brush can clean the top of the filter screen, making the filter screen less prone to clogging.

[0011] Preferably, the vibration mechanism includes a first short rod, which is fixedly connected to the top of the base. A spring is sleeved around the first short rod, and a second short rod is provided on the top of the inner side of the spring. The second short rod is fixedly connected to the bottom of the vibrating screen body. A fixed cylinder is fixedly connected to the middle of the bottom of the vibrating screen body. A vibration motor is fixedly connected to the middle of the inner side of the fixed cylinder. A linkage rod is fixedly connected to the top and bottom of the vibration motor. A vibrating plate is fixedly connected to the outer side of the linkage rod. A limit frame is provided on the inner side of the filter screen, and a vibrating ball is provided on the inner side of the limit frame.

[0012] Preferably, the top of the spring is fixedly connected to the bottom of the vibrating screen body, and the bottom of the spring is fixedly connected to the top of the inner side of the base. The spring, through its own elastic deformation, generates a restoring force that can limit the excessive displacement of the vibrating screen body, ensuring that the vibrating screen body always vibrates regularly within a preset range.

[0013] Preferably, the bottom of the limiting frame is in contact with the bottom of the inner side of the filter screen, and the vibrating ball is in contact with the bottom of the inner side of the filter screen. The metal ball rolls and impacts inside the filter screen as the equipment vibrates, which can directly impact the powder clumps that block the screen holes, greatly reducing the screen hole blockage rate and avoiding the decrease in screening efficiency caused by blockage.

[0014] Compared with the prior art, this utility model provides a rotary vibrating screen for powder production, which has the following beneficial effects:

[0015] 1. The rotary vibrating screen used in powder production has a cleaning mechanism that uses a hydraulic cylinder to drive a lifting plate, which in turn drives the rotating shaft and cleaning brush to move up and down. In conjunction with the drive motor, the cleaning brush rotates, which can closely adhere to the top of the filter screen for comprehensive cleaning and real-time removal of powder residue and blockages.

[0016] 2. This rotary vibrating screen for powder production uses a vibrating motor as its core, which drives the vibrating disc to vibrate synchronously through a linkage rod. Combined with a buffer structure consisting of a first short rod, a second short rod, and a spring, it ensures that the rotary vibrating screen body receives uniform and appropriate vibration intensity, allowing the powder to be fully dispersed and layered on the filter screen, improving particle size classification accuracy. It also buffers the impact of vibration on the base, reduces equipment operating noise and component wear, and extends service life. The vibrating balls in the limit frame impact the bottom of the filter screen with the equipment vibration, significantly reducing the screen hole clogging rate, maintaining stable screening efficiency, and reducing the frequency of downtime for cleaning. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in 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 only 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 front view structural diagram of the present invention;

[0019] Figure 2 For cleaning the structural diagram of the mechanism;

[0020] Figure 3 A schematic diagram of the load-bearing plate, cleaning brush, and support frame structure;

[0021] Figure 4 This is a schematic diagram of the vibration mechanism.

[0022] Figure 5 This is a schematic diagram of the filter screen, limiting frame, and vibrating ball structure.

[0023] In the diagram: 1. Base; 2. Vibrating screen body; 3. Cleaning mechanism; 31. Lifting plate; 32. Hydraulic cylinder; 33. Drive motor; 34. Protective frame; 35. Rotating shaft; 36. Load-bearing plate; 37. Cleaning brush; 38. Filter screen; 39. Support frame; 4. Vibration mechanism; 41. First short rod; 42. Spring; 43. Second short rod; 44. Vibrating plate; 45. Linkage rod; 46. Vibrating motor; 47. Fixed cylinder; 48. Vibrating ball; 49. Limiting frame. Detailed Implementation

[0024] 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, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; 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; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0026] This utility model provides the following technical solution:

[0027] Example 1

[0028] Please see Figure 1-5 This utility model provides a technical solution: a rotary vibrating screen for powder production, including a base 1, a vibration mechanism 4 is provided on the inner side of the base 1, a rotary vibrating screen body 2 is provided on the top of the vibration mechanism 4, and a cleaning mechanism 3 is provided on the top of the rotary vibrating screen body 2.

[0029] The cleaning mechanism 3 includes a load-bearing plate 36, which is fixedly connected to the top of the vibrating screen body 2. A support frame 39 is fixedly connected to the top of the load-bearing plate 36. A hydraulic cylinder 32 is fixedly connected to the top of the support frame 39. A lifting plate 31 is fixedly connected to the bottom of the hydraulic cylinder 32. A protective frame 34 is fixedly connected to the bottom of the lifting plate 31. A drive motor 33 is fixedly connected to the inside of the protective frame 34. A rotating shaft 35 is fixedly connected to the bottom of the drive motor 33. A filter screen 38 is provided around the rotating shaft 35. The filter screen 38 is fixedly connected to the inside of the vibrating screen body 2. A cleaning brush 37 is fixedly connected around the rotating shaft 35.

[0030] Furthermore, the inner side of the support frame 39 is provided with a groove corresponding to the movement trajectory of the lifting plate 31, and the lifting plate 31 is slidably connected inside the groove. The groove can limit the movement of the lifting plate 31, making the lifting plate 31 more stable during the lifting process.

[0031] Furthermore, the inner sides of the load-bearing plate 36 and the filter screen 38 are provided with circular holes corresponding to the position of the rotating shaft 35, and the rotating shaft 35 is slidably connected to the inner side of the circular holes. Through the circular holes, the rotating shaft 35 can slide inside the load-bearing plate 36 and the filter screen 38, so that when the rotating shaft 35 rises and falls, it can drive the cleaning brush 37 to rise and fall, so that when the filter screen 38 screens the powder material, the cleaning brush 37 is not easily clogged and the powder material vibrates at the top of the filter screen 38.

[0032] Furthermore, the cleaning brush 37 is located on top of the filter screen 38, and the bottom of the cleaning brush 37 is in close contact with the top of the filter screen 38. The cleaning brush 37 can clean the top of the filter screen 38, making the filter screen 38 less prone to clogging.

[0033] Example 2

[0034] Please see Figure 1-5 Furthermore, based on Embodiment 1, the vibration mechanism 4 further includes a first short rod 41, which is fixedly connected to the top of the base 1. A spring 42 is sleeved around the first short rod 41. A second short rod 43 is provided on the top of the inner side of the spring 42. The second short rod 43 is fixedly connected to the bottom of the vibrating screen body 2. A fixed cylinder 47 is fixedly connected to the middle of the bottom of the vibrating screen body 2. A vibration motor 46 is fixedly connected to the middle of the inner side of the fixed cylinder 47. A linkage rod 45 is fixedly connected to the top and bottom of the vibration motor 46. A vibrating plate 44 is fixedly connected to the outer side of the linkage rod 45. A limit frame 49 is provided inside the filter screen 38. A vibrating ball 48 is provided inside the limit frame 49.

[0035] Furthermore, the top of the spring 42 is fixedly connected to the bottom of the vibrating screen body 2, and the bottom of the spring 42 is fixedly connected to the top of the inner side of the base 1. The spring 42 can limit the excessive displacement of the vibrating screen body 2 through the restoring force generated by its own elastic deformation, ensuring that the vibrating screen body 2 always vibrates regularly within the preset range.

[0036] Furthermore, the bottom of the limiting frame 49 is in contact with the bottom of the inner side of the filter screen 38, and the vibrating ball 48 is in contact with the bottom of the inner side of the filter screen 38. The vibrating ball 48 rolls and impacts inside the filter screen 38 as the equipment vibrates, which can directly impact the powder clumps that block the screen holes, greatly reducing the screen hole blockage rate and avoiding the decrease in screening efficiency caused by blockage.

[0037] In actual operation, when this device is used, the vibration motor 46 in the vibration mechanism 4 is started. The vibration motor 46 drives the outer vibration disk 44 to rotate synchronously through the linkage rods 45 at the upper and lower ends. The rotation of the vibration disk 44 generates centrifugal force, causing the rotary vibrating screen body 2 to vibrate, providing the core power for powder sieving. When the rotary vibrating screen body 2 vibrates, the spring 42 absorbs the vibration impact through elastic deformation. On the one hand, it weakens the transmission of vibration to the base 1, avoiding displacement of the base 1 or excessive noise. On the other hand, the restoring force of the spring 42 limits the excessive movement of the rotary vibrating screen body 2, ensuring that the rotary vibrating screen body 2 always vibrates regularly within the preset range, ensuring sieving stability. The powder to be sieved is put into the filter screen 38 on the inner side of the rotary vibrating screen body 2. With the vibration of the rotary vibrating screen body 2, the powder makes throwing and sliding motion on the surface of the filter screen 38. Powder with a particle size smaller than the sieve hole is sieved through the sieve hole and falls into the collection area below. Powder with a particle size larger than the sieve hole remains on the surface of the filter screen 38 and is discharged after sieving, realizing the particle size classification of the powder.

[0038] When the vibrating screen body 2 vibrates, the vibrating balls 48 roll synchronously with the vibrating screen body 2 and impact the bottom of the filter screen 38, directly impacting the powder clumps blocked in the screen holes, pushing the fine particles out of the screen holes, and at the same time breaking up the powder clumps on the surface of the filter screen 38, reducing the risk of screen hole blockage from the bottom. When it is necessary to perform deep cleaning on the top of the filter screen 38, the hydraulic cylinder 32 switch is activated. The hydraulic cylinder 32 pushes the bottom lifting plate 31 to slide down along the slide groove inside the support frame 39. The lifting plate 31 drives the bottom protective frame 34, drive motor 33 and rotating shaft 35 to move down synchronously. The bottom of the cleaning brush 37 around the rotating shaft 35 is tightly attached to the top of the filter screen 38. The drive motor 33 is started, and the motor drives the rotating shaft 35 to rotate. The rotating shaft 35 drives the cleaning brush 37 to rotate synchronously, cleaning the large particles of powder remaining on the top of the filter screen 38 to prevent residual material from clogging the screen holes. After cleaning, the hydraulic cylinder 32 retracts, driving the lifting plate 31 and the fixed frame to move upward. The fixed frame is then driven by the drive motor 33 to raise and reset the rotating shaft 35 and the cleaning brush 37, without affecting subsequent screening operations. This allows the screened powder material to be discharged for easy collection by staff.

[0039] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

Claims

1. A vibrating screen for powder production, comprising a base (1), characterized in that: A vibration mechanism (4) is provided on the inner side of the base (1), a rotary vibrating screen body (2) is provided on the top of the vibration mechanism (4), and a cleaning mechanism (3) is provided on the top of the rotary vibrating screen body (2). The cleaning mechanism (3) includes a load-bearing plate (36), which is fixedly connected to the top of the vibrating screen body (2). A support frame (39) is fixedly connected to the top of the load-bearing plate (36). A hydraulic cylinder (32) is fixedly connected to the top of the support frame (39). A lifting plate (31) is fixedly connected to the bottom of the hydraulic cylinder (32). A protective frame (34) is fixedly connected to the bottom of the lifting plate (31). A drive motor (33) is fixedly connected to the inner side of the protective frame (34). A rotating shaft (35) is fixedly connected to the bottom of the drive motor (33). A filter screen (38) is provided around the rotating shaft (35). The filter screen (38) is fixedly connected to the inner side of the vibrating screen body (2). A cleaning brush (37) is fixedly connected around the rotating shaft (35).

2. The vibrating screen for powder production according to claim 1, characterized in that: The inner side of the support frame (39) is provided with a sliding groove corresponding to the movement trajectory of the lifting plate (31), and the lifting plate (31) is slidably connected inside the sliding groove.

3. The vibrating screen for powder production according to claim 1, characterized in that: The inner sides of the load-bearing plate (36) and the filter screen (38) are provided with circular holes corresponding to the position of the rotating shaft (35), and the rotating shaft (35) is slidably connected to the inner side of the circular hole.

4. The vibrating screen for powder production according to claim 1, characterized in that: The cleaning brush (37) is positioned on top of the filter screen (38), and the bottom of the cleaning brush (37) is in contact with the top of the filter screen (38).

5. A vibrating screen for powder production according to claim 1, characterized in that: The vibration mechanism (4) includes a first short rod (41), which is fixedly connected to the top of the base (1). A spring (42) is sleeved around the first short rod (41). A second short rod (43) is provided on the top of the inner side of the spring (42). The second short rod (43) is fixedly connected to the bottom of the vibrating screen body (2). A fixed cylinder (47) is fixedly connected in the middle of the bottom of the vibrating screen body (2). A vibration motor (46) is fixedly connected in the middle of the inner side of the fixed cylinder (47). A linkage rod (45) is fixedly connected to the top and bottom of the vibration motor (46). A vibrating plate (44) is fixedly connected to the outer side of the linkage rod (45). A limit frame (49) is provided inside the filter screen (38). A vibrating ball (48) is provided inside the limit frame (49).

6. A vibrating screen for powder production according to claim 5, characterized in that: The top of the spring (42) is fixedly connected to the bottom of the vibrating screen body (2), and the bottom of the spring (42) is fixedly connected to the top of the inner side of the base (1).

7. A vibrating screen for powder production according to claim 5, characterized in that: The bottom of the limiting frame (49) is in contact with the bottom of the inner side of the filter screen (38), and the vibrating ball (48) is in contact with the bottom of the inner side of the filter screen (38).

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