Powder uniform feeding device

Abstract

The utility model belongs to the field of feed control technology, and discloses a powder uniform feeding device, including a main furnace body and a powder bin, a material distribution barrel is arranged on the top of the main furnace body, a feeding pipe is extended from the side of the material distribution barrel, one end of the feeding pipe is connected with the inner cavity of the material distribution barrel, and the other end of the feeding pipe is connected with the bottom of the powder bin, a mesh plate is arranged at the bottom of the material distribution barrel, a first sieve hole is arranged on the mesh plate, a central rotating shaft is erected in the material distribution barrel, a blade is arranged on the central rotating shaft, a uniform distribution plate is arranged directly below the bottom of the material distribution barrel, the uniform distribution plate is in the shape of a cone with narrow top and wide bottom, a second sieve hole is arranged on the uniform distribution plate, a part of the powder falling from the first sieve hole slides along the uniform distribution plate, and the other part falls from the second sieve hole. The powder uniform feeding device is optimized at the powder delivery point, the powder is screened out by the blade and the mesh plate to avoid agglomeration, and then the powder is scattered by the uniform distribution plate, so as to achieve the purpose of uniform feeding and meet the feeding requirements.

Description

Technical Field

[0001] The utility model relates to the technical field of feed control, in particular to a powder material uniform feeding device. Background Art

[0002] During the processing and molding of powdered raw materials, due to the poor fluidity of the powder, it is easy to stick and adsorb. In order to ensure uniform subsequent heating and sufficient reaction, uniform feeding is particularly important.

[0003] Most of the existing powder feeding devices are funnel-shaped, and the powder is dispersed by gravity free falling, but the effect is not good, and the powder is easy to fall in pieces or the funnel mouth is blocked. There are also some improved structures that add screens at the funnel mouth, but it is easy to cause the screen holes to be blocked, which affects the normal screening of the powder and affects the processing efficiency. Utility Model Content

[0004] Based on the above problems, the purpose of the utility model is to provide a powder uniform feeding device, which can effectively break up the powder and achieve uniform feeding.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A powder uniform feeding device comprises a main furnace body and a powder bin located above the main furnace body, a distribution barrel is arranged on the top of the main furnace body, a distribution barrel is arranged vertically, a feeding pipe is extended from the side of the distribution barrel, one end of the feeding pipe is connected with the inner cavity of the distribution barrel, and the other end of the feeding pipe is connected with the bottom of the powder bin, a mesh plate is arranged at the bottom of the distribution barrel, a plurality of first sieve holes are arranged on the mesh plate, a central rotating shaft is erected in the distribution barrel, a plurality of blades are arranged on the central rotating shaft, a uniform distribution plate is arranged directly below the bottom of the distribution barrel, the uniform distribution plate is in the shape of a cone with a narrow upper part and a wide lower part, a plurality of second sieve holes are arranged on the uniform distribution plate, a part of the powder falling from the first sieve holes slides along the uniform distribution plate, and the other part falls from the second sieve holes.

[0007] As an optional solution, six blades are provided, and the six blades are evenly distributed around the central rotating shaft. Each blade extends radially from the central rotating shaft and is close to the upper surface of the mesh plate.

[0008] As an optional solution, a cover plate is provided on the top of the distributing barrel, and a motor for driving the central rotating shaft to rotate is installed on the cover plate.

[0009] As an optional solution, a bracket extends out from the bottom of the material distribution barrel, and the bracket is fixed to the conical surface of the uniform distribution plate.

[0010] As an optional solution, at least one material distribution barrel is provided. When multiple material distribution barrels are provided, multiple material distribution barrels are evenly distributed in annular direction around the central axis of the main furnace body.

[0011] As an optional solution, a discharge funnel corresponding to each distributing barrel is provided at the bottom of the powder bin.

[0012] The beneficial effects of the utility model are as follows: the powder uniform feeding device is optimized in design at the powder feeding point, the powder is screened out by blades and mesh plates to avoid agglomeration, and the powder is then scattered by the uniform distribution plate, thereby achieving the purpose of uniform feeding and meeting the feeding requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of a powder uniform feeding device provided in an embodiment of the utility model;

[0014] Figure 2 It is a structural schematic diagram of a material distribution barrel in a powder material uniform feeding device provided in an embodiment of the utility model;

[0015] Figure 3 yes Figure 2 Sectional view at AA;

[0016] Figure 4 It is a top view of a uniform distribution plate in a powder uniform feeding device provided in an embodiment of the utility model.

[0017] In the attached figure:

[0018] 1. Main furnace body; 2. Powder silo; 3. Distributing barrel; 4. Feeding pipe; 5. Mesh plate; 6. First sieve hole; 7. Central rotating shaft; 8. Blades; 9. Distributing plate; 10. Second sieve hole; 11. Cover plate; 12. Motor; 13. Bracket; 14. Discharging funnel. DETAILED DESCRIPTION

[0019] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0020] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" 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 or an electrical connection; 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 the present invention can be understood according to specific circumstances.

[0021] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0022] In the description of this embodiment, the terms "upper", "lower", "left", "right" and other directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0023] See also Figures 1 to 4 As shown, the preferred embodiment provides a powder uniform feeding device, including a main furnace body 1 and a powder bin 2 located above the main furnace body 1, a dividing barrel 3 is arranged on the top of the main furnace body 1, and the dividing barrel 3 is arranged vertically. A feeding pipe 4 extends from the side of the dividing barrel 3, one end of the feeding pipe 4 is connected with the inner cavity of the dividing barrel 3, and the other end of the feeding pipe 4 is connected with the bottom of the powder bin 2, a mesh plate 5 is arranged at the bottom of the dividing barrel 3, a plurality of first sieve holes 6 are arranged on the mesh plate 5, a central rotating shaft 7 is erected in the dividing barrel 3, a plurality of blades 8 are arranged on the central rotating shaft 7, and a uniform distribution plate 9 is arranged directly below the bottom of the dividing barrel 3, the uniform distribution plate 9 is in the shape of a cone with a narrow upper part and a wide lower part, and a plurality of second sieve holes 10 are arranged on the uniform distribution plate 9, a part of the powder falling from the first sieve holes 6 slides along the uniform distribution plate 9, and the other part falls from the second sieve holes 10.

[0024] Therefore, the powder uniform feeding device is optimized at the powder feeding point, and the powder is screened out by the blades 8 and the mesh plate 5 to avoid agglomeration, and then the powder is scattered by the uniform distribution plate 9, thereby achieving the purpose of uniform feeding and meeting the feeding requirements.

[0025] In this embodiment, six blades 8 are provided, but not limited thereto, and the six blades 8 are evenly distributed around the central rotating shaft 7, and each blade 8 extends radially from the central rotating shaft 7 and is close to the upper surface of the mesh plate 5. Thus, the central rotating shaft 7 drives the six blades 8 to rotate, thereby stirring the powder, causing the powder to fall out of the first sieve hole 6 of the mesh plate 5, and avoiding clogging.

[0026] Furthermore, a cover plate 11 is provided on the top of the distributing barrel 3 , and a motor 12 for driving the central rotating shaft 7 to rotate is installed on the cover plate 11 .

[0027] Specifically, a bracket 13 extends out from the bottom of the distributing barrel 3 , and the bracket 13 is fixed to the conical surface of the uniform distribution plate 9 , so as to fix the uniform distribution plate 9 to the bottom of the distributing barrel 3 and further disperse the powder falling from the first sieve hole 6 .

[0028] In particular, at least one material distribution barrel 3 is provided. When multiple material distribution barrels 3 are provided, the multiple material distribution barrels 3 are evenly distributed around the central axis of the main furnace body 1 to be suitable for a large-volume main furnace body 1 and expand the distribution area of ​​the powder.

[0029] Furthermore, a discharge funnel 14 corresponding to each of the distributing barrels 3 is provided at the bottom of the powder bin 2 , so as to facilitate the powder bin 2 to transport powder to each of the distributing barrels 3 .

[0030] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the scope of protection of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. A powder material uniform feeding device, comprising a main furnace body (1) and a powder material bin (2) located above the main furnace body (1), characterized in that: A material distribution barrel (3) is arranged on the top of the main furnace body (1), and the material distribution barrel (3) is arranged vertically. A feeding pipe (4) extends from the side of the material distribution barrel (3), one end of the feeding pipe (4) is connected to the inner cavity of the material distribution barrel (3), and the other end of the feeding pipe (4) is connected to the bottom of the powder bin (2). A mesh plate (5) is arranged at the bottom of the material distribution barrel (3), and a plurality of first sieve holes (6) are arranged on the mesh plate (5). A central rotating shaft (7) is erected in the barrel (3), and a plurality of blades (8) are arranged on the central rotating shaft (7). A uniform distribution plate (9) is arranged directly below the bottom of the distribution barrel (3), and the uniform distribution plate (9) is in the shape of a cone that is narrow at the top and wide at the bottom. A plurality of second sieve holes (10) are arranged on the uniform distribution plate (9). A portion of the powder falling from the first sieve holes (6) slides along the uniform distribution plate (9), and another portion falls from the second sieve holes (10).

2. The powder uniform feeding device according to claim 1, characterized in that: Six blades (8) are provided, and the six blades (8) are evenly distributed in an annular direction around the central rotating shaft (7). Each blade (8) extends radially from the central rotating shaft (7) and is close to the upper surface of the mesh plate (5).

3. The powder uniform feeding device according to claim 1, characterized in that: A cover plate (11) is provided on the top of the material distributing barrel (3), and a motor (12) for driving the central rotating shaft (7) to rotate is installed on the cover plate (11).

4. The powder uniform feeding device according to claim 1, characterized in that: A bracket (13) extends out from the bottom of the material distribution barrel (3), and the bracket (13) is fixed to the conical surface of the uniform distribution plate (9).

5. The powder uniform feeding device according to claim 1, characterized in that: At least one material distribution barrel (3) is provided. When a plurality of material distribution barrels (3) are provided, the plurality of material distribution barrels (3) are evenly distributed in an annular direction around the central axis of the main furnace body (1).

6. The powder uniform feeding device according to claim 5, characterized in that: A discharge funnel (14) corresponding one-to-one to each of the distribution barrels (3) is provided at the bottom of the powder bin (2).

Images