CN220611329U - Material scattering device suitable for powder selecting machine - Google Patents
Material scattering device suitable for powder selecting machine Download PDFInfo
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- CN220611329U CN220611329U CN202322116394.4U CN202322116394U CN220611329U CN 220611329 U CN220611329 U CN 220611329U CN 202322116394 U CN202322116394 U CN 202322116394U CN 220611329 U CN220611329 U CN 220611329U
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- 239000000463 material Substances 0.000 title claims abstract description 146
- 239000000843 powder Substances 0.000 title claims abstract description 62
- 238000007599 discharging Methods 0.000 claims abstract description 24
- 230000007480 spreading Effects 0.000 claims description 33
- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 230000003014 reinforcing effect Effects 0.000 description 4
- 238000005070 sampling Methods 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000011362 coarse particle Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011027 product recovery Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
Provides a material scattering device suitable for a powder concentrator, and belongs to the technical field of powder concentrators. The powder selecting machine comprises a powder selecting machine frame, wherein a blanking pipe is arranged on the powder selecting machine frame and comprises a powder selecting rotor arranged on the powder selecting machine frame, a feeding hole is formed in the upper part of the powder selecting rotor, a lower discharging cone is arranged on the lower part of the powder selecting rotor, a plurality of discharging holes are uniformly distributed on the circumference of the lower discharging cone, and a material guiding slide carriage is arranged in each discharging hole; the lower part of the lower discharging cone is provided with a material scattering disc which is used for scattering materials through rotation, the material scattering disc comprises a plurality of material scattering blades uniformly distributed on the circumference, the materials flowing down from the discharging hole are guided by a material guiding slide carriage and then fall on the material scattering blades at a distance of 1/2-2/3 of the center of the material scattering disc, the material falling points on the material scattering blades are changed, the design of a material scattering plate is combined, the mixed materials are instantly obtained by a larger centrifugal force than before, the mixed materials can penetrate through an air wall, the cross section of the whole cylinder is uniformly scattered by combining the materials, and the material scattering effect is improved.
Description
Technical Field
The utility model belongs to the technical field of powder separators, and particularly relates to a material scattering device suitable for a powder separator.
Background
The material scattering device is a key component of the powder selecting machine and has the function of scattering the materials falling from the blanking pipe far enough; the system wind can fully blow and float the powder into the rotor of the powder selecting machine, and the selecting efficiency is improved. The structure of the existing spreading device is shown in fig. 9-15, and the existing spreading device comprises a blanking pipe and a spreading disc I9 ', wherein a lower discharging cone I5 ' is arranged at the lower part of the blanking pipe, 8 discharging holes I6 ' are uniformly distributed on the upper circumference of the lower discharging cone I5 ', the spreading disc I9 ' is fixed on a transmission shaft I8 ' at the lower part of the lower discharging cone I5 ', the spreading disc I9 ' comprises 8 spreading blades I10 ' uniformly distributed on the circumference, and reinforcing studs I11 ' are arranged on the upper part of the spreading blades I10 '. The structure has the defects when in use: 1. the material is discharged from a top feeding hole of the powder concentrator through a discharging pipe at the center of the powder concentrator to the center of a lower discharging cone I5 ' by a circle of eight discharging holes I6 ', and as the discharging holes I6 ' face the center of a material scattering blade I10 ', the mixed material flowing out of the 8 discharging holes I6 ' at the bottom is scattered at the near-center point of the lower material scattering blade I10 ', the centripetal force (according to a centripetal force formula, centrifugal force F=a×m, square×r of a=ω, wherein ω is an angular velocity, r is a radius, and m is an object mass) obtained by the horizontally rotating material scattering blade I10 ' is mainly proportional to the change of the radius under the condition that the angular velocity of the same material is unchanged, so that the centrifugal force obtained by the material instantly is smaller and can not be sufficiently scattered on the whole cross section of the barrel. 2. The material falling to the material scattering blade I10 'is scattered by the rotating blade and the reinforcing ribs I11', the material is scattered to the periphery of the cylinder body and is crossed with vortex gas generated by the fan, coarse particles fall into the particle recovery channel after touching the shell, and qualified fine materials enter the finished product recovery channel; however, due to the defects of the angle and the height of the reinforcing vertical ribs I11', the strength of the reinforcing vertical ribs to instantaneously scatter materials to the periphery is insufficient. The diameter range that above-mentioned two kinds of structures lead to the material to break up is little, has reduced selection powder efficiency. There is therefore a need for improvements.
Disclosure of Invention
The utility model solves the technical problems that: the utility model provides a material scattering device suitable for a powder selecting machine, and aims to change the blanking point of a material on a material scattering blade, so that a mixed material instantly obtains a larger centrifugal force, the material is uniformly scattered on the cross section of a whole cylinder, and the material scattering effect is improved.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the material scattering device suitable for the powder concentrator comprises a powder concentrator frame, wherein a blanking pipe is arranged on the powder concentrator frame, the blanking pipe comprises a powder concentrator rotor arranged on the powder concentrator frame, a feed inlet is arranged at the upper part of the powder concentrator rotor, a lower discharging cone is arranged at the lower part of the powder concentrator rotor, a plurality of discharge holes are uniformly distributed on the circumference of the lower discharging cone, and a material guiding slide carriage is arranged in each discharge hole; the lower part of the lower discharging cone is provided with a material spreading disc which spreads materials through rotation, the material spreading disc comprises a plurality of material spreading blades uniformly distributed on the circumference, and materials flowing down from the discharging hole are guided by a material guiding slide carriage to fall on the material spreading blades at a distance of 1/2-2/3 of the center of the material spreading disc.
Further limiting the scheme, the guide slide carriage is obliquely arranged in the discharge hole, the upper end of the guide slide carriage is fixed on the inner wall of the discharge hole close to the center of the lower discharge cone, and the lower end of the guide slide carriage is inclined towards the direction far away from the center of the lower discharge cone.
Further limiting the scheme, wherein two mutually parallel material throwing plates are arranged on the material falling surface on the upper surface of each material scattering blade, the two material throwing plates are perpendicular to the upper surface of the material scattering blade, and an included angle of 30 degrees is formed between each material throwing plate and the center line of the material scattering blade.
Further limiting the scheme, the upper part of the powder concentrator frame is provided with a driving device, an output shaft of the driving device faces downwards and is connected with a transmission shaft, the transmission shaft penetrates through the blanking pipe, the lower end of the transmission shaft extends out to the lower part of the lower discharging cone, and the center of the material spreading disc is fixed on the lower end of the transmission shaft.
Further limiting the scheme, 8 discharge holes are uniformly distributed on the circumference of the lower discharge cone, and correspondingly, 8 material scattering blades are uniformly distributed on the circumference of the material scattering disc.
Compared with the prior art, the utility model has the advantages that:
1. according to the scheme, the discharge hole on the material scattering device is improved, the material guiding slide carriage is additionally arranged on the discharge hole, the material flowing down from the discharge hole is guided by the material guiding slide carriage and falls on the material scattering blade at a position 1/2-2/3 away from the center of the material scattering disc, so that the blanking point of the material falling on the material scattering blade is changed, the blanking point is far away from the center blanking point, and the material scattering device is calculated according to a centrifugal force formula, so that the mixed material (particularly the finished fine powder material) instantly obtains larger centrifugal force than before, the material receives larger impact force, and can penetrate through the ventilation wall, and the material can be uniformly scattered on the whole cross section of the cylinder;
2. according to the scheme, the material throwing plate which forms an included angle of 30 degrees with the center line of the blade is arranged on the material throwing blade blanking surface, and the material throwing plate is instantaneously scattered when the material falls on the blade, so that the material is subjected to increased centrifugal force which is thrown to the periphery, and the material throwing plate is farther in material throwing compared with the original material throwing plate structure;
3. according to the scheme, the inlet airflow generated by the powder concentrator fan is blocked by the front barrel after entering the cyclone barrel, so that the internal cyclone is generated, the wind pressure and the wind quantity are minimum at the center position, the wind pressure and the wind quantity gradually rise towards the periphery, and the energy consumption of the fan can be reduced on the premise of the same powder concentration efficiency as that before transformation through the improvement, otherwise, the powder concentration efficiency can be improved, and the yield is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the lower discharge cone of the present utility model;
FIG. 3 is a front view of the structure of the spreader plate of the present utility model;
FIG. 4 is a top plan view of the structure of the spreader plate of the present utility model;
FIG. 5 is a schematic view of a distributing blade according to the present utility model;
FIG. 6 is a schematic view of the state of spreading material according to the present utility model;
FIG. 7 is a front view showing a spreading state of a spreading tray according to the present utility model;
FIG. 8 is a top view showing a spreading state of a spreading tray according to the present utility model;
FIG. 9 is a schematic view of a prior art lower discharge cone I;
FIG. 10 is a front view showing the structure of a prior art spreader plate I;
FIG. 11 is a top plan view of a prior art spreader plate I;
FIG. 12 is a schematic view of a prior art spreading blade I;
FIG. 13 is a schematic view showing a state of spreading material in the prior art;
FIG. 14 is a front view showing a spreading state of a prior art spreading tray I;
fig. 15 is a top view showing a spreading state of a spreading tray i according to the prior art.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
Referring to fig. 1-15, embodiments of the present utility model are described in detail.
Examples: the utility model provides a be applicable to the powder scattering device on the powder concentrator, is described with reference to fig. 1-8, including powder concentrator frame 1, be equipped with the unloading pipe on the powder concentrator frame 1, the unloading pipe is including locating the powder concentrator rotor 2 on the powder concentrator frame 1, powder concentrator rotor 2 upper portion is equipped with feed inlet 3, powder concentrator rotor 2 lower part is equipped with down ejection of compact cone 5, the lower part of lower ejection of compact cone 5 is equipped with the disk 9 that spills the material through rotatory, powder concentrator frame 1 upper portion is equipped with drive arrangement 4, drive arrangement 4's output shaft is down and is connected with transmission shaft 8 on it, transmission shaft 8 passes unloading pipe and the lower extreme stretches out to lower ejection of compact cone 5 lower part, disk 9 center is fixed on transmission shaft 8 lower extreme.
Referring to fig. 2, 8 discharge ports 6 are uniformly distributed on the circumference of the lower discharge cone 5, and a material guiding slide carriage 7 is arranged in each discharge port 6; the material spreading disc 9 comprises 8 material spreading blades 10 uniformly distributed on the circumference, and the material flowing down from the discharge hole 6 is guided by the material guiding slide carriage 7 and then falls on the material spreading blades 10 at a position 1/2-2/3 of the distance from the center of the material spreading disc 9.
The guide slide carriage 7 is obliquely arranged in the discharge hole 6, the upper end of the guide slide carriage 7 is fixed on the inner wall of the discharge hole 6 close to the center of the lower discharge cone 5, and the lower end of the guide slide carriage 7 is inclined towards the direction far away from the center of the lower discharge cone 5. The blanking point is acted by the material guiding slide carriage, and the blanking position moves forward to 1/2-2/3 of the blade, as shown in fig. 6.
According to the embodiment, the discharge hole on the material scattering device is improved, the material guiding slide carriage is additionally arranged on the discharge hole, the material flowing down from the discharge hole is guided by the material guiding slide carriage and falls on the material scattering blade at a position 1/2-2/3 of the center of the material scattering disc, so that the blanking point of the material falling on the material scattering blade is changed, the blanking point is far away from the center blanking point, the material scattering device is calculated according to a centrifugal force formula, the mixed material (particularly the finished fine powder material) instantly obtains a larger centrifugal force before, the material receives a larger impact force, and the material can penetrate through the air wall, so that the material can be uniformly scattered on the cross section of the whole cylinder.
Referring to fig. 3-5, two parallel material throwing plates 11 are arranged on the material falling surface on the upper surface of each material scattering blade 10, the two material throwing plates 11 are perpendicular to the upper surface of the material scattering blade 10, and an included angle of 30 degrees is formed between the two material throwing plates 11 and the central line of the material scattering blade 10.
In this embodiment, a material throwing plate with an included angle of 30 degrees with the center line of the blade is installed on the blanking surface of the material throwing blade, and as shown in fig. 7-8, the material throwing plate is instantaneously scattered when the material falls to the blade, so that the material is subjected to an increased centrifugal force of throwing toward the periphery, and the material throwing effect is improved compared with the material throwing plate structure in which the material is thrown farther.
In the structure, the inlet airflow generated by the powder concentrator fan is blocked by the front barrel after entering the cyclone barrel, so that the air pressure and the air quantity are minimum at the center position, and the air pressure and the air quantity gradually rise towards the periphery.
The production operation mode of the structure comprises the following steps:
1. on the premise of production operation, the production is ensured to be not lower than the output before transformation or higher than the output before transformation, and the product quality requirement is ensured to be met;
2. the method comprises the steps of firstly operating after transformation, producing and sampling and testing by using original operating parameters to obtain powder selecting efficiency and finished product quality indexes, and if the finished product quality index data has a lifting space, firstly lifting the rotating speed of a powder selecting machine by a small extent, keeping the original rotating speed of a high-pressure fan unadjusted, and sampling and testing after lifting; if the quality index data of the finished product continuously has a lifting space, continuously lifting the rotating speed of the powder selecting machine, immediately sampling and testing the powder selecting machine, determining whether to continuously lift the rotating speed of the powder selecting machine according to the testing result, and circularly operating until the quality index of the finished product is at a critical point;
3. after the quality index of the finished product is at a critical point, the rotating speed of the powder concentrator is kept unchanged, the rotating speed of the high-pressure fan is adjusted downwards in a small range, and meanwhile, sampling and testing are carried out, and the operation is carried out circularly according to the quality index of the finished product until the original product is produced;
4. and after the operation flows 2 and 3 are finished, the operation is continuously circulated according to the two operation flows until the balance points of the two operation flows are found.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (5)
1. The utility model provides a spill material device suitable for on selection powder machine, includes selection powder machine frame (1), be equipped with the unloading pipe on selection powder machine frame (1), the unloading pipe is including locating selection powder rotor (2) on selection powder machine frame (1), selection powder rotor (2) upper portion is equipped with feed inlet (3), selection powder rotor (2) lower part is equipped with lower ejection of compact cone (5), its characterized in that: a plurality of discharge holes (6) are uniformly distributed on the circumference of the lower discharge cone (5), and a material guiding slide carriage (7) is arranged in each discharge hole (6); the lower part of the lower discharging cone (5) is provided with a material scattering disc (9) which is used for scattering materials through rotation, the material scattering disc (9) comprises a plurality of material scattering blades (10) which are uniformly distributed on the circumference, and materials flowing down from the discharging hole (6) are guided by a material guiding slide carriage (7) and then fall on the material scattering blades (10) at a distance of 1/2-2/3 away from the center of the material scattering disc (9).
2. The material spreading device suitable for a powder concentrator according to claim 1, wherein: the guide slide carriage (7) is obliquely arranged in the discharge hole (6), the upper end of the guide slide carriage (7) is fixed on the inner wall of the discharge hole (6) close to the center of the lower discharge cone (5), and the lower end of the guide slide carriage (7) is inclined towards the direction far away from the center of the lower discharge cone (5).
3. The material spreading device suitable for a powder concentrator according to claim 1, wherein: two material throwing plates (11) which are parallel to each other are arranged on the material falling surface on the upper surface of each material scattering blade (10), the two material throwing plates (11) are perpendicular to the upper surface of the material scattering blade (10), and the two material throwing plates (11) form an included angle of 30 degrees with the center line of the material scattering blade (10).
4. The material spreading device suitable for a powder concentrator according to claim 1, wherein: the powder concentrator is characterized in that a driving device (4) is arranged on the upper portion of the powder concentrator frame (1), an output shaft of the driving device (4) faces downwards and is connected with a transmission shaft (8) on the output shaft, the transmission shaft (8) penetrates through a discharging pipe, the lower end of the transmission shaft extends out to the lower portion of the lower discharging cone (5), and the center of the material spreading disc (9) is fixed on the lower end of the transmission shaft (8).
5. The material spreading device suitable for a powder concentrator according to claim 1, wherein: and 8 discharge holes (6) are uniformly distributed on the circumference of the lower discharge cone (5), and correspondingly, 8 material scattering blades (10) are uniformly distributed on the circumference of the material scattering disc (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322116394.4U CN220611329U (en) | 2023-08-08 | 2023-08-08 | Material scattering device suitable for powder selecting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322116394.4U CN220611329U (en) | 2023-08-08 | 2023-08-08 | Material scattering device suitable for powder selecting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220611329U true CN220611329U (en) | 2024-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322116394.4U Active CN220611329U (en) | 2023-08-08 | 2023-08-08 | Material scattering device suitable for powder selecting machine |
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| Country | Link |
|---|---|
| CN (1) | CN220611329U (en) |
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2023
- 2023-08-08 CN CN202322116394.4U patent/CN220611329U/en active Active
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