Screening device for low-grade micro-fine particle metal aluminum powder

Abstract

The utility model discloses a low-grade micro-fine particle metal aluminum powder screening device which comprises a support, a containing hopper is arranged at the upper end of the support, a stirring assembly is arranged in the containing hopper, the input end of the stirring assembly is connected with a driving motor, and a magnetic sleeve used for removing ferromagnetic substances is arranged on a stirring shaft of the stirring assembly. A material baffle is hinged to the lower end of the containing hopper, an edge plate of the material baffle is connected with a supporting plate on one side of the containing hopper, ferromagnetic impurities in aluminum powder can be effectively removed through the magnetic sleeve, and the purity of the aluminum powder is remarkably improved. And through mixing of the stirring assembly, it is ensured that the aluminum powder is evenly distributed, and subsequent processing and screening are facilitated. Separation holes are formed in the inner bin of the separation bin and can be adjusted according to needs, and it is ensured that aluminum powder meeting the granularity requirement is screened out; and through rotation of the separation fulcrum shaft, effective screening of the aluminum powder is promoted, and the screening precision is improved.

Description

Technical Field

[0001] The present application relates to the technical field of aluminum powder screening, and particularly to a screening device for low-grade fine-grained metallic aluminum powder. Background Art

[0002] In the production process of metallic aluminum powder, especially when dealing with low-grade fine-grained metallic aluminum powder, it is often necessary to remove ferromagnetic impurities therein and conduct precise particle size screening on the aluminum powder to meet the requirements of subsequent processing. Traditional screening methods often have difficulty effectively removing ferromagnetic impurities in the aluminum powder, resulting in low purity of the aluminum powder. It is difficult to achieve precise control of the particle size of the aluminum powder, which affects the quality of the aluminum powder. Due to design limitations, traditional screening equipment often requires a large power input, increasing energy consumption and costs. Summary of the Invention

[0003] The technical problem to be solved by the present application is to overcome the existing defects and provide a screening device for low-grade fine-grained metallic aluminum powder, which can effectively solve the problems in the background art.

[0004] To achieve the above object, the present application provides the following technical solution: A screening device for low-grade fine-grained metallic aluminum powder, including a support bracket. A material hopper is provided at the upper end of the support bracket. A stirring assembly is arranged in the material hopper. The input end of the stirring assembly is connected to a driving motor. A magnetic sleeve for removing ferromagnetic substances is arranged on the stirring shaft of the stirring assembly. A material baffle is hinged at the lower end of the material hopper. The edge plate of the material baffle is connected to a side support plate of the material hopper. An intermediate material guiding hopper is arranged below the material hopper. A material conveying group is arranged in the intermediate material guiding hopper. A separation chamber is arranged at the output end of the intermediate material guiding hopper. The separation chamber is divided into an inner chamber and an outer chamber. Separation holes are arranged on the inner chamber. A separation support shaft is connected inside the inner chamber.

[0005] As a preferred technical solution of the present application, a feed hopper is arranged at the upper end of the material hopper, and a plug board is arranged on the feed hopper.

[0006] As a preferred technical solution of the present application, the material hopper is mainly composed of a main body arc plate and a material baffle, and the main body arc plate is hinged with the material baffle.

[0007] As a preferred technical solution of the present application, an auxiliary runner is sleeved on the rotating main shaft in the stirring assembly, a transmission wheel is arranged on the transmission shaft in the material conveying group, and the auxiliary runner and the transmission wheel are connected by a transmission belt.

[0008] As a preferred technical solution of the present application, a transmission chain wheel is further arranged on the transmission shaft in the material conveying group, a rotating chain wheel is arranged on the separation support shaft, and a chain is arranged between the transmission chain wheel and the rotating chain wheel for connection.

[0009] Compared with the prior art: The magnetic sleeve in this application can effectively remove ferromagnetic impurities in aluminum powder, significantly improving the purity of aluminum powder. Through the mixing of the stirring component, it ensures uniform distribution of aluminum powder, which is beneficial for subsequent processing and screening. The inner chamber of the separation chamber is provided with separation holes that can be adjusted as needed to ensure that aluminum powder meeting the particle size requirements is screened out. Through the rotation of the separation support shaft, it promotes the effective screening of aluminum powder, improves the screening accuracy. The drive belt is connected between the auxiliary runner and the drive wheel, and the chain is connected between the drive sprocket and the rotating sprocket. Through the drive belt and the chain, the linkage between multiple components is achieved, ensuring the synchronous operation of each component, which can effectively reduce energy consumption and costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 is a schematic structural diagram of this application;

[0011] Figure 2 is the front view of this application;

[0012] Figure 3 is Figure 2 the schematic cross-sectional structure diagram at A - A in

[0013] In the figure: 1. Support brace, 2. Material hopper, 3. Stirring component, 4. Drive motor, 5. Magnetic sleeve, 6. Material baffle, 7. Intermediate feed hopper, 8. Material conveying group, 9. Separation chamber, 91. Inner chamber, 92. Outer chamber, 93. Separation support shaft, 10. Feed hopper, 11. Plugboard, 12. Main body arc plate, 13. Auxiliary runner, 14. Drive wheel, 15. Drive sprocket, 16. Rotating sprocket. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0014] Next, the technical solutions in the embodiments of this application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of this application. Obviously, the described embodiments are only a part of the embodiments of this application, rather than all the embodiments. Based on the embodiments in this application (for the convenience of description and understanding, the upper part of Figure 2 is described as the upper part). All other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of this application.

[0015] Please refer to Figures 1-3 , this application provides a technical solution: A screening device for low-grade fine-grained metallic aluminum powder, including a support brace 1, a material hopper 2 is arranged at the upper end of the support brace 1, a stirring component 3 is arranged in the material hopper 2, the input end of the stirring component 3 is connected to a drive motor 4, and a magnetic sleeve 5 for removing ferromagnetic substances is arranged on the stirring shaft of the stirring component 3.

[0016] The support bracket 1 is the basic supporting structure of the entire screening device, ensuring the stability of the device, being able to withstand the load during the screening process, and ensuring stable operation of the equipment.

[0017] The hopper 2 receives and temporarily stores the aluminum powder to be processed. A stirring assembly 3 is provided inside the hopper to evenly mix the aluminum powder and remove ferromagnetic substances.

[0018] The stirring component 3 mixes the aluminum powder by rotation to ensure that the aluminum powder is evenly distributed, which is convenient for subsequent screening and processing.

[0019] The driving motor 4 provides power to the stirring assembly 3 to ensure the continuous stirring action.

[0020] The magnetic sleeve 5 absorbs and removes ferromagnetic impurities in the aluminum powder to improve the purity of the aluminum powder. The magnetic sleeve 5 is installed on the stirring shaft and rotates with the stirring shaft to effectively capture ferromagnetic particles in the aluminum powder.

[0021] A material baffle 6 is hinged at the lower end of the material hopper 2 , and an edge plate of the material baffle 6 is connected to a side support plate of the material hopper 2 . An intermediate guide hopper 7 is arranged below the material hopper 2 .

[0022] The material baffle 6 controls the inflow of aluminum powder to prevent it from overflowing or entering the next link too quickly; the hinged design can control the flow of aluminum powder by adjusting the position of the material baffle 6; the edge plate is connected to the support plate on one side of the hopper to form an adjustable opening to control the outflow rate of the aluminum powder.

[0023] The intermediate guide hopper 7 guides the aluminum powder that has undergone preliminary processing to the next processing link; it is located below the material hopper 2 and connected to the outlet of the material hopper 2 to guide the aluminum powder into subsequent processing equipment.

[0024] A material conveying group 8 is arranged in the intermediate material guide hopper 7, and a separation bin 9 is arranged at the output end of the intermediate material guide hopper 7. The separation bin 9 is divided into an inner bin 91 and an outer bin 92. A separation hole is arranged on the inner bin 91, and a separation support shaft 93 is connected to the inner bin 91.

[0025] The material conveying group 8 conveys the aluminum powder to the separation bin 9 for further processing, usually in the form of a screw conveyor, to ensure that the aluminum powder is smoothly and evenly conveyed to the separation bin 9.

[0026] The separation bin 9 performs graded screening on the aluminum powder and is divided into an inner bin 91 and an outer bin 92. The inner bin 91 is provided with a separation hole for screening out the aluminum powder that meets the particle size requirements. The inner bin 91 screens out the aluminum powder that meets the particle size requirements through the separation hole, and the aluminum powder that fails to pass is reprocessed to improve resource utilization. The outer bin 92 collects the aluminum powder of the particle size that passes through the separation hole.

[0027] The separation support shaft 93 drives the separation bin 9 to rotate, promoting the screening of aluminum powder; it is connected to the driving sprocket 15 through a chain to ensure synchronous movement. The separation support shaft 93 needs to consider the weight and stability of the separation bin 9 to ensure the smooth progress of the screening process.

[0028] Furthermore, a feed hopper 10 is provided at the upper end of the material hopper 2, and a plug plate 11 is provided on the feed hopper 10.

[0029] The feed hopper 10 is the entrance for aluminum powder to enter the system. It is funnel-shaped to facilitate the smooth flow of aluminum powder and is located above the material hopper 2 as the initial entry point for aluminum powder.

[0030] The plug plate 11 controls the feeding speed of aluminum powder, and its opening and closing can be manually or automatically controlled to flexibly adjust the feeding amount.

[0031] Furthermore, the material hopper 2 is mainly composed of a main body arc plate 12 and a material baffle 6, and the material baffle 6 is hinged to the main body arc plate 12.

[0032] Furthermore, an auxiliary runner 13 is sleeved on the rotating main shaft in the stirring assembly 3, a driving wheel 14 is provided on the transmission shaft in the material conveying group 8, and the auxiliary runner 13 and the driving wheel 14 are connected by a transmission belt.

[0033] The auxiliary runner 13 and the driving wheel 14 are connected by a transmission belt, receive power from the auxiliary runner 13, drive the operation of the material conveying group 8, and ensure synchronous operation between the two.

[0034] Furthermore, a driving sprocket 15 is also provided on the transmission shaft in the material conveying group 8, a rotating sprocket 16 is provided on the separation support shaft 93, and a chain is provided between the driving sprocket 15 and the rotating sprocket 16.

[0035] The driving sprocket 15 is connected to the rotating sprocket 16 through a chain, transmits power to the separation support shaft 93, drives the separation support shaft 93 to rotate, and ensures the stable operation of the separation bin 9.

[0036] In use: Open the plug board 11, and pour the aluminum powder to be processed into the material storage hopper 2 through the feed hopper 10; Start the drive motor 4 to make the stirring assembly 3 start to rotate. The aluminum powder is evenly mixed under the action of the stirring assembly 3, and the magnetic sleeve 5 adsorbs and removes ferromagnetic impurities in the aluminum powder; Adjust the position of the material baffle 6 as needed to control the flow rate of the aluminum powder flowing from the material storage hopper 2 to the intermediate material guiding hopper 7; The aluminum powder flows out from the bottom of the material storage hopper 2 and is guided to the material conveying group 8 through the intermediate material guiding hopper 7; The material conveying group 8 obtains power from the drive motor 4. The auxiliary runner 13 transmits the power to the transmission wheel 14 through the transmission belt, and then drives the material conveying group 8 to operate, and evenly conveys the aluminum powder to the separation bin 9 stably in the form of a screw conveyor; After the aluminum powder reaches the separation bin 9, the transmission sprocket 15 transmits the power to the rotating sprocket 16 through the chain, driving the separation support shaft 93 to rotate, promoting the screening of the aluminum powder, and screening out qualified fine aluminum powder through the separation holes of the inner bin 91.

[0037] Although the embodiments of the present application have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present application. The scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A screening device for low-grade fine-grained metallic aluminum powder, comprising a support bracket (1), wherein a material hopper (2) is arranged at the upper end of the support bracket (1), and is characterized in that: A stirring component (3) is arranged in the material hopper (2). The input end of the stirring component (3) is connected with a driving motor (4). A magnetic sleeve (5) for removing ferromagnetic substances is arranged on the stirring shaft of the stirring component (3). A material baffle (6) is hinged at the lower end of the material hopper (2). The edge plate of the material baffle (6) is connected with one side support plate of the material hopper (2). A middle material guiding hopper (7) is arranged below the material hopper (2). A material conveying group (8) is arranged in the middle material guiding hopper (7). A separation bin (9) is arranged at the output end of the middle material guiding hopper (7). The separation bin (9) is divided into an inner bin (91) and an outer bin (92). Separation holes are arranged on the inner bin (91). A separation support shaft (93) is connected in the inner bin (91).

2. The screening device for low-grade fine-grained metallic aluminum powder according to claim 1, wherein: A feed hopper (10) is arranged at the upper end of the material hopper (2). A plug board (11) is arranged on the feed hopper (10).

3. The screening device for low-grade fine metal aluminum powder according to claim 1, wherein: The material hopper (2) is mainly composed of a main body arc plate (12) and a material baffle (6). The main body arc plate (12) is hinged with the material baffle (6).

4. The screening device for low-grade fine-grained metallic aluminum powder according to claim 1, wherein: An auxiliary runner (13) is sleeved on the rotating main shaft in the stirring component (3). A transmission wheel (14) is arranged on the transmission shaft in the material conveying group (8). The auxiliary runner (13) and the transmission wheel (14) are connected by a transmission belt.

5. The screening device for low-grade fine-grained metallic aluminum powder according to claim 1, wherein: A transmission sprocket (15) is further arranged on the transmission shaft in the material conveying group (8). A rotating sprocket (16) is arranged on the separation support shaft (93). A chain is arranged between the transmission sprocket (15) and the rotating sprocket (16) for connection.

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