Powder feeding device for conveying fine-particle powder

Abstract

The utility model relates to the technical field of powder conveying devices, and discloses a powder conveying device for conveying fine particle powder, which comprises a storage bin and a feed port arranged at the top end of the storage bin, and further comprises a spiral powder conveying mechanism fixedly arranged at the discharge end of the storage bin, a dispersion mechanism is arranged at the other end of the discharging pipe and comprises a dispersion bin and an annular air pipe arranged on the outer side of the dispersion bin in a surrounding manner; a dispersion mechanism is arranged in the dispersion bin, and the dispersion mechanism comprises a fixed part fixedly arranged in the dispersion bin; the bottom of the dispersion bin is fixedly connected with a powder outlet pipe, and the bottom end of the powder outlet pipe is fixedly connected with a venturi pipe. According to the powder feeding device for conveying the fine-particle powder, the conveyed powder can be ground and dispersed, powder caking is avoided, the dispersion effect of the fine-particle powder is improved, and the effect of promoting uniform output of the fine-particle powder is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to powder conveying device technical field, concretely is a kind of powder feeding device for conveying fine particle powder. BACKGROUND

[0002] Plant-based bait particles or biomass particles are processed into powder after crushing plant roots and stems, and then other ingredients are added to make bait.

[0003] In the prior art, plant-based bait is generally crushed after crushing plant roots and stems, then ground into powder, and then conveyed to a mixing device by a powder feeding device and mixed with other ingredient additives. By making plant root powder into particles, not only is resource utilization efficient, but also plays an important role in agriculture, environmental protection, energy and other fields, and is a typical circular economy practice.

[0004] However, the powder feeding device in the prior art mostly directly conveys powder to the mixing bin through a screw powder feeding mechanism. Since the powder may have been caked in the powder storage bin, it is directly sprayed after conveying, and the caked powder particles may not be evenly sprayed with the powder spraying mechanism, affecting the mixing and processing effect in the later stage, and thus there are certain use defects. Therefore, we propose a powder feeding device for conveying fine particle powder to solve the problems raised in the above background. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a powder feeding device for conveying fine particle powder to solve the problem that the existing fine particle powder feeding device is difficult to disperse caked powder, which may cause the caked powder particles to be difficult to be evenly sprayed with the powder spraying mechanism.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a powder feeding device for conveying fine particle powder, comprising a storage bin and a feed inlet arranged at the top end of the storage bin, further comprising a screw powder feeding mechanism fixedly arranged at the discharge end of the storage bin, the discharge end of the screw powder feeding mechanism is fixedly connected with a discharge pipe, the other end of the discharge pipe is provided with a dispersion mechanism, the dispersion mechanism comprises a dispersion bin and an annular air pipe arranged around the outside of the dispersion bin;

[0007] The dispersion mechanism is provided with a dispersion mechanism inside, and the dispersion mechanism comprises a fixed part fixedly arranged inside the dispersion bin, and a rotating part is arranged above the fixed part;

[0008] The bottom of the dispersion bin is fixedly connected with a powder outlet pipe, and the bottom end of the powder outlet pipe is fixedly connected with a venturi pipe, one end of the venturi pipe is connected with an air pipe assembly.

[0009] As the preferred technical scheme of the utility model, the diffusion mechanism further includes a blowing pipe fixedly connected between the diffusion bin and the annular air pipe, the diffusion bin and the annular air pipe are communicated through the blowing pipe, and the blowing pipes are distributed at equal angles along the circumferential tangent direction of the diffusion bin.

[0010] As the preferred technical scheme of the utility model, the diffusion mechanism further includes a blowing pipe fixedly connected between the diffusion bin and the annular air pipe, the diffusion bin and the annular air pipe are communicated through the blowing pipe, and the blowing pipes are distributed at equal angles along the circumferential tangent direction of the diffusion bin.

[0011] As the preferred technical scheme of the utility model, the diffusion mechanism further includes a blowing pipe fixedly connected between the diffusion bin and the annular air pipe, the diffusion bin and the annular air pipe are communicated through the blowing pipe, and the blowing pipes are distributed at equal angles along the circumferential tangent direction of the diffusion bin.

[0012] As the preferred technical scheme of the utility model, the diffusion mechanism further includes a blowing pipe fixedly connected between the diffusion bin and the annular air pipe, the diffusion bin and the annular air pipe are communicated through the blowing pipe, and the blowing pipes are distributed at equal angles along the circumferential tangent direction of the diffusion bin.

[0013] As the preferred technical scheme of the utility model, the diffusion mechanism further includes a blowing pipe fixedly connected between the diffusion bin and the annular air pipe, the diffusion bin and the annular air pipe are communicated through the blowing pipe, and the blowing pipes are distributed at equal angles along the circumferential tangent direction of the diffusion bin.

[0014] As the preferred technical scheme of the utility model, the diffusion mechanism further includes a blowing pipe fixedly connected between the diffusion bin and the annular air pipe, the diffusion bin and the annular air pipe are communicated through the blowing pipe, and the blowing pipes are distributed at equal angles along the circumferential tangent direction of the diffusion bin.

[0015] As the preferred technical scheme of the utility model, the diffusion mechanism further includes a blowing pipe fixedly connected between the diffusion bin and the annular air pipe, the diffusion bin and the annular air pipe are communicated through the blowing pipe, and the blowing pipes are distributed at equal angles along the circumferential tangent direction of the diffusion bin.

[0016] Compared with the prior art, the powder feeding device for conveying fine particle powder can grind and disperse the conveyed powder, avoids powder caking, improves the diffusion effect of fine particle powder, and achieves the effect of promoting uniform output of fine particle powder.

[0017] 1. The dispersion mechanism is arranged in the interior of the dispersion bin, and the inclined guide surface is arranged in an arched convex manner, so that the powder falling through the feeding pipe can be uniformly dispersed along the top surface of the inclined guide surface and flow along the inclined guide surface to the space between the first contact surface and the first grinding wheel, and since there is a grinding gap between the second contact surface and the first contact surface, when the second grinding wheel is driven by the connecting wheel to rotate above the first grinding wheel, the second grinding wheel rotates relative to the first grinding wheel and grinds the powder in the gap, so that the agglomerated or caked powder can be ground and dispersed, and the fine particle powder dispersed by the dispersion mechanism falls uniformly along the outer edge of the first grinding wheel into the dispersion bin, thereby effectively improving the dispersion effect;

[0018] 2. The air blowing pipes are distributed at equal angles along the circumferential tangent direction of the dispersion bin, the air pump blows air into the annular air pipe through the air pipe assembly, so that the airflow uniformly flows into the dispersion bin through the air blowing pipes in the tangential direction, and the tangential airflow can drive the fine particle powder to rotate in the dispersion bin to achieve the dispersion effect;

[0019] Further, the Venturi tube is arranged at the bottom of the powder outlet pipe, the narrow flow channel in the Venturi tube is connected with the powder outlet pipe, the third connecting end of the three-way valve in the air pipe assembly is connected with the Venturi tube through the pipeline structure, the Venturi effect can generate suction force on the dispersion airflow in the dispersion bin, so that the dispersion airflow in the dispersion bin drives the fine particle powder to flow into the Venturi tube through the powder outlet pipe and is sprayed out through the Venturi tube, thereby promoting the uniform output of the fine particle powder, and facilitating the mixing of the output powder particles with the added ingredients in the mixing tank. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure schematic view of the utility model;

[0021] Figure 2 It is a dispersion bin and a powder outlet pipe local section connection structure schematic view of the utility model;

[0022] Figure 3 It is a dispersion mechanism and a dispersion bin section connection structure schematic view of the utility model;

[0023] Figure 4 It is a dispersion mechanism section structure schematic view of the utility model;

[0024] Figure 5 It is a dispersion mechanism section structure schematic view of the utility model; Figure 3 It is a dispersion mechanism section structure schematic view of the utility model;

[0025] In the figure: 1, storage bin; 2, spiral powder feeding mechanism; 3, discharging pipe; 400, diffusion mechanism; 410, diffusion bin; 420, annular air pipe; 430, air blowing pipe; 500, dispersion mechanism; 510, fixed part; 511, first grinding wheel; 512, first contact surface; 513, inclined guide surface; 520, rotating part; 521, second grinding wheel; 522, second contact surface; 523, feed slot; 530, connecting wheel; 540, motor; 6, powder outlet pipe; 7, venturi pipe; 8, air pump; 900, air pipe assembly. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] Please refer to Figures 1-5 The present application provides a technical solution: a powder feeding device for conveying fine particle powder, which comprises a storage bin 1 and a feed inlet arranged at the top end of the storage bin 1, further comprising a spiral powder feeding mechanism 2 fixedly arranged at the discharging end of the storage bin 1, and the discharging end of the spiral powder feeding mechanism 2 is fixedly connected with a discharging pipe 3, and the other end of the discharging pipe 3 is provided with a diffusion mechanism 400, and the spiral powder feeding mechanism 2 comprises a feeding cylinder and a spiral conveying frame rotatably installed inside the feeding cylinder, and the spiral conveying frame is driven by a motor at one end of the feeding cylinder to convey the powder at the bottom of the storage bin 1 to the inside of the diffusion mechanism 400 through the discharging pipe 3.

[0028] Specifically as shown in Figure 1 and Figure 2 The diffusion mechanism 400 comprises a diffusion bin 410 and an annular air pipe 420 arranged around the outside of the diffusion bin 410, and the inside of the diffusion mechanism 400 is provided with a dispersion mechanism 500, and the dispersion mechanism 500 comprises a fixed part 510 fixedly arranged inside the diffusion bin 410, and a rotating part 520 is arranged above the fixed part 510, and as shown in Figure 3 and Figure 5 The fixed part 510 comprises a first grinding wheel 511 fixedly arranged inside the diffusion bin 410, and the top end surface of the first grinding wheel 511 is provided with an inclined guide surface 513, and the outside of the inclined guide surface 513 is connected with a first contact surface 512 also arranged on the top end surface of the first grinding wheel 511, and the inclined guide surface 513 is arched and protruding, which can make the powder falling through the discharging pipe 3 evenly spread along the top surface of the inclined guide surface 513.

[0029] Further, the dispersion mechanism 500 further comprises an electric motor 540 fixedly installed on the top end surface of the dispersion bin 410, and an engaging wheel 530 rotatably arranged in the interior of the dispersion bin 410 is fixedly connected to the output end of the electric motor 540, and the engaging wheel 530 is engaged with the second grinding wheel 521 through the convex tooth structure, and the specific structure is shown in Figure 3 As shown in Figure 5 The rotating part 520 comprises a second grinding wheel 521, and the second grinding wheel 521 is rotatably installed in the interior of the dispersion bin 410 through a bearing structure, and the top end surface of the second grinding wheel 521 is provided with a disc-shaped groove structure, and the circumferential surface of the disc-shaped groove structure is uniformly provided with a convex tooth structure, and the engaging wheel 530 is engaged with the second grinding wheel 521 through the convex tooth structure, and the specific structure is shown in Figure 2 The electric motor 540 drives the engaging wheel 530 to rotate, so that the engaging wheel 530 controls the rotating part 520 to rotate above the fixed part 510;

[0030] Further, the rotating part 520 further comprises a second contact surface 522 arranged on the bottom end surface of the second grinding wheel 521, and the bottom end surface of the second grinding wheel 521 is provided with a feeding groove 523 on the side close to the axis direction of the dispersion bin 410, and the feeding groove 523 is arranged in cooperation with the inclined guide surface 513, and the specific structure is shown in Figure 5 The powder uniformly dispersed along the top surface of the inclined guide surface 513 flows to the space between the first contact surface 512 and the first grinding wheel 511 along the inclined guide surface 513, and since there is a set gap between the second contact surface 522 and the first contact surface 512, when the engaging wheel 530 drives the second grinding wheel 521 to rotate above the first grinding wheel 511, the second grinding wheel 521 rotates relative to the first grinding wheel 511 and grinds the powder in the set gap, so that the fine particle powder that has been agglomerated or caked in the powder can be dispersed;

[0031] Specifically, as shown in Figure 4 The dispersion mechanism 400 further comprises a blowing pipe 430 fixedly connected between the dispersion bin 410 and the annular air pipe 420, the dispersion bin 410 and the annular air pipe 420 are communicated through the blowing pipe 430, and the blowing pipe 430 is uniformly distributed at equal angles along the circumferential tangent direction of the dispersion bin 410, and the bottom of the dispersion bin 410 is fixedly connected with a powder outlet pipe 6, and the bottom end of the powder outlet pipe 6 is fixedly connected with a venturi pipe 7, one end of the venturi pipe 7 is connected with an air pipe assembly 900, the air pipe assembly 900 comprises a three-way valve, and a first connecting end of the three-way valve is fixedly connected with a wind pump 8 through a flange structure, and a second connecting end of the three-way valve is communicated with the annular air pipe 420 through a pipeline structure, and the wind pump 8 blows air into the interior of the annular air pipe 420 through the air pipe assembly 900, and since the airflow uniformly flows into the dispersion bin 410 along the tangential direction through the blowing pipe 430, the airflow can drive the fine particle powder to rotate in the interior of the dispersion bin 410, so as to achieve the dispersion effect on the powder;

[0032] Specifically as Figure 1 And Figure 2 As shown in the three-way valve of the wind pipe assembly 900, the third connecting end is communicated with the Venturi tube 7 through the pipeline structure, and the narrow flow channel in the Venturi tube 7 is connected with the powder outlet pipe 6. Through the Venturi effect, suction force can be generated on the dispersion airflow in the dispersion chamber 410, so that the dispersion airflow in the dispersion chamber 410 drives the fine particle powder along the powder outlet pipe 6 into the Venturi tube 7 and is sprayed out through the Venturi tube 7, achieving the effect of promoting the uniform output of the fine particle powder.

[0033] The working principle of the utility model is: when using the powder conveying device for conveying fine particle powder, first, the powder at the bottom of the storage bin 1 is conveyed into the inside of the dispersion mechanism 400 through the discharge pipe 3 by the spiral powder conveying mechanism 2. Specifically as Figure 2 And Figure 3 As shown, the inside of the dispersion chamber 410 is provided with a dispersion mechanism 500, which is arched and protrudingly arranged through the inclined guide surface 513, so that the powder falling through the discharge pipe 3 can be uniformly scattered along the top surface of the inclined guide surface 513. The powder scattered along the top surface of the inclined guide surface 513 flows to the first contact surface 512 and the first grinding wheel 511. Since there is a set gap between the second contact surface 522 and the first contact surface 512, when the second grinding wheel 521 is rotated above the first grinding wheel 511 by the connecting wheel 530, the second grinding wheel 521 rotates relative to the first grinding wheel 511 and grinds the powder in the set gap, so that the fine particle powder that has agglomerated or caked in the powder can be dispersed. The fine particle powder ground and dispersed by the dispersion mechanism 500 falls uniformly into the dispersion chamber 410 along the outer edge of the first grinding wheel 511;

[0034] Specifically as Figure 1 As shown, the air pump 8 blows air into the inside of the annular air pipe 420 through the wind pipe assembly 900. Since the airflow flows uniformly into the dispersion chamber 410 along the tangential direction through the blowing pipe 430, the airflow can drive the fine particle powder to be spirally scattered in the inside of the dispersion chamber 410, thereby achieving the dispersion effect on the powder.

[0035] Further, the third connecting end of the three-way valve in the wind pipe assembly 900 is communicated with the Venturi tube 7 through the pipeline structure, and the narrow flow channel in the Venturi tube 7 is connected with the powder outlet pipe 6. Through the Venturi effect, suction force can be generated on the dispersion airflow in the dispersion chamber 410, so that the dispersion airflow in the dispersion chamber 410 drives the fine particle powder along the powder outlet pipe 6 into the Venturi tube 7 and is sprayed out through the Venturi tube 7, achieving the effect of promoting the uniform output of the fine particle powder.

[0036] It should be explained finally: above only is the preferred embodiment of the utility model and is not used for limiting the utility model, although the utility model has been explained in detail with reference to foregoing embodiment, for the skilled person in the art, it still can modify the technical scheme recorded in foregoing each embodiment or make equivalent replacement to part technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principle of the utility model should be contained in the protection scope of the utility model.

Claims

1. A powder feeding device for feeding fine particle powder, comprising a storage bin (1) and a feeding port arranged at the top end of the storage bin (1), and further comprising a screw powder feeding mechanism (2) fixedly arranged at the discharging end of the storage bin (1), characterized in that: The discharge end of the screw powder feeding mechanism (2) is fixedly connected with a discharging pipe (3), the other end of the discharging pipe (3) is provided with a diffusion mechanism (400), the diffusion mechanism (400) comprises a diffusion bin (410) and an annular air pipe (420) which is arranged around the outside of the diffusion bin (410). The inside of the diffusion mechanism (400) is provided with a dispersion mechanism (500), and the dispersion mechanism (500) comprises a fixed part (510) which is fixedly arranged in the inside of the diffusion bin (410), and a rotating part (520) which is arranged above the fixed part (510). The bottom of the diffusion bin (410) is fixedly connected with a powder outlet pipe (6), and the bottom end of the powder outlet pipe (6) is fixedly connected with a venturi pipe (7), one end of the venturi pipe (7) is connected with an air pipe assembly (900).

2. A powder delivery device for delivering fine particle powder according to claim 1, wherein: The diffusion mechanism (400) further comprises a blowing pipe (430) which is fixedly connected between the diffusion bin (410) and the annular air pipe (420), the diffusion bin (410) and the annular air pipe (420) are communicated through the blowing pipe (430), and the blowing pipe (430) is distributed at equal angles along the circumferential tangent direction of the diffusion bin (410).

3. A powder delivery device for delivering fine particle powder according to claim 2, wherein: The dispersion mechanism (500) further comprises an electric motor (540) which is fixedly installed on the top end face of the diffusion bin (410), and the output end of the electric motor (540) is fixedly connected with a connecting wheel (530) which is rotatably arranged in the inside of the diffusion bin (410).

4. A powder delivery device for delivering fine particle powder according to claim 3, wherein: The fixed part (510) comprises a first grinding wheel (511) which is fixedly arranged in the inside of the diffusion bin (410), and the top end face of the first grinding wheel (511) is provided with an inclined guide surface (513), and the outside of the inclined guide surface (513) is connected with a first contact surface (512) which is also arranged on the top end face of the first grinding wheel (511).

5. A powder delivery device for delivering fine particle powder according to claim 4, wherein: The rotating part (520) comprises a second grinding wheel (521) which is rotatably installed in the inside of the diffusion bin (410) through a bearing structure.

6. A powder delivery device for delivering fine particle powder according to claim 5, wherein: The top end face of the second grinding wheel (521) is provided with a disc-shaped groove structure, and the circumferential face of the disc-shaped groove structure is uniformly distributed with a convex tooth structure, and the connecting wheel (530) is engagedly connected with the second grinding wheel (521) through the convex tooth structure.

7. A powder delivery device for delivering fine particle powder according to claim 6, wherein: The rotating part (520) further comprises a second contact surface (522) which is arranged on the bottom end face of the second grinding wheel (521), and the bottom end face of the second grinding wheel (521) is provided with a feeding groove (523) which is arranged on the side close to the axis direction of the diffusion bin (410), and the feeding groove (523) is arranged in cooperation with the inclined guide surface (513).

8. A powder delivery device for delivering fine particle powder according to claim 7, wherein: The air pipe assembly (900) comprises a three-way valve, the first connecting end of the three-way valve is fixedly connected with an air pump (8) through a flange structure, the second connecting end of the three-way valve is communicated with the annular air pipe (420) through a pipeline structure, and the third connecting end of the three-way valve is communicated with the venturi pipe (7) through a pipeline structure.

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