CN216705034U - Metal powder multi-stage screening device - Google Patents
Metal powder multi-stage screening device Download PDFInfo
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- CN216705034U CN216705034U CN202123270164.0U CN202123270164U CN216705034U CN 216705034 U CN216705034 U CN 216705034U CN 202123270164 U CN202123270164 U CN 202123270164U CN 216705034 U CN216705034 U CN 216705034U
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Abstract
The utility model discloses a metal powder multistage screening device, which belongs to the technical field of metal powder processing production and comprises a screening device body, wherein a discharge hole is formed in the lower end of the screening device body, a secondary vibrating screen is arranged in the screening device body, a primary vibrating screen is arranged on the upper side of the secondary vibrating screen, and powder collecting cavities are formed in positions, corresponding to the secondary vibrating screen and the primary vibrating screen, of one end of the screening device body respectively, the screening effect of the first-level vibrating screen on the powder is better.
Description
Technical Field
The utility model belongs to the technical field of metal powder processing and production, and particularly relates to a metal powder multistage screening device.
Background
The metal powder refers to a group of metal particles having a size of less than 1 mm. Including single metal powders, alloy powders, and powders of certain refractory compounds having metallic properties, are the primary raw materials for powder metallurgy. The simple metal is generally silvery white, and under certain conditions, the metal is black powder. Most metal powders are black.
Chinese patent publication No. CN214416992U discloses a metal powder classifying and screening device, the former device utilizes the screw rod to disperse broken powder, the effect of utilizing the screw rod to disperse the powder is poor, the powder can not fall on the first-level vibrating screen uniformly, the powder screening quality is reduced, meanwhile, the second-level vibrating screen in the former device screens the powder, the screened powder is inconvenient to enter a discharge port, and the powder is easy to gather at the lower end in the screening device body.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the background art, the utility model provides a metal powder multistage screening device which has the characteristics that the crushed powder can be uniformly dispersed on a primary vibrating screen and the screening quality of the powder is high.
In order to achieve the purpose, the utility model provides the following technical scheme: a metal powder multistage screening device comprises a screening device body, wherein a discharge port is formed in the lower end of the screening device body, a second-stage vibrating screen is arranged in the screening device body, a first-stage vibrating screen is arranged on the upper side of the second-stage vibrating screen, powder collecting cavities are formed in one end of the screening device body and positions corresponding to the second-stage vibrating screen and the first-stage vibrating screen, a crushing device is arranged at one end of the upper side of the first-stage vibrating screen, a powder feeding port is formed in the position, corresponding to the crushing device, of the upper end of the screening device body, a motor is arranged in the middle of the upper end of the screening device body, a rotating shaft is arranged at the output end of the motor, a material distribution disc is arranged at the lower end of the rotating shaft, a plurality of through holes are formed in the lower end of the material distribution disc, and a first fixing plate is arranged in the position, corresponding to the material distribution disc, in the screening device body, one side of the first fixing plate is provided with a second fixing plate, the other side of the second fixing plate is provided with a third fixing plate, and the first fixing plate and the screening device body, the second fixing plate and the screening device body and the third fixing plate and the screening device body are connected through right-angle rods.
Preferably, the first fixing plate, the second fixing plate and the third fixing plate are staggered, and the lower ends of the third fixing plates are flush with the upper end inside the material distribution disc.
Preferably, an angle is formed between the first fixing plate and the second fixing plate and between the second fixing plate and the third fixing plate, and the material distribution disc is in sliding connection with the screening device body.
Preferably, the material distribution disc is of an aluminum structure, the rotating shaft is connected with the material distribution disc through spot welding, and the rotating shaft is rotatably connected with the screening device body through a bearing.
Preferably, a material guide hopper is arranged on the lower side of the second-stage vibrating screen, a material outlet corresponding to the material outlet is formed in the lower end of the material guide hopper, and a plurality of flow distribution plates are arranged inside the material guide hopper.
Preferably, the flow distribution plates and the material guide hopper are of a welded integrated structure, and the adjacent flow distribution plates form a sixty-degree angle.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the material distribution disc is arranged in the screening device body, the powder crushed by the crushing device falls into the material distribution disc, the material distribution disc rotates to drive the powder in the material distribution disc to rotate, and the first fixing plate, the second fixing plate and the third fixing plate are arranged at different heights, so that when the material distribution disc rotates, the first fixing plate, the second fixing plate and the third fixing plate can block the powder in the material distribution disc and fall to different positions at the upper end of the first-stage vibrating screen through the through holes, and the screening effect of the first-stage vibrating screen on the powder is better.
2. According to the screening device, the material guide hopper is arranged on the lower side of the second-stage vibrating screen, powder falls into the material guide hopper when the second-stage vibrating screen screens the powder, the material guide hopper guides the powder into and out of the material inlet and outlet through the material outlet, the powder is prevented from being gathered at the lower end of the interior of the screening device body after the second-stage vibrating screen screens screen the powder, and meanwhile, the material guide hopper is internally provided with the plurality of flow distribution plates, so that the material outlet can be prevented from being blocked, and the powder can be shunted.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional perspective view of the screening apparatus body of the present invention;
FIG. 3 is a bottom perspective view of the screening device body of the present invention;
FIG. 4 is an enlarged view taken at A of FIG. 2 according to the present invention;
FIG. 5 is a perspective view of a material guide hopper according to the present invention;
in the figure: 1. a screening device body; 2. a powder collection chamber; 3. a motor; 4. a powder feed port; 5. a first-stage vibrating screen; 6. a secondary vibrating screen; 7. a material guide hopper; 8. distributing disks; 9. a first fixing plate; 10. a second fixing plate; 11. a third fixing plate; 12. a crushing device; 13. a discharge port; 14. a right-angle rod; 15. a through hole; 16. a rotating shaft; 17. a splitter plate; 18. and (4) a feed opening.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-5, the present invention provides the following technical solutions: a metal powder multistage screening device comprises a screening device body 1, a discharge port 13 is arranged at the lower end of the screening device body 1, a second-stage vibrating screen 6 is arranged inside the screening device body 1, a first-stage vibrating screen 5 is arranged on the upper side of the second-stage vibrating screen 6, a powder collecting cavity 2 is arranged at one end of the screening device body 1 and at the position corresponding to the second-stage vibrating screen 6 and the first-stage vibrating screen 5, a crushing device 12 is arranged at one end of the upper side of the first-stage vibrating screen 5, a powder feeding port 4 is arranged at the position corresponding to the crushing device 12 at the upper end of the screening device body 1, a motor 3 is arranged at the middle position of the upper end of the screening device body 1, a rotating shaft 16 is arranged at the output end of the motor 3, a material distribution disc 8 is arranged at the lower end of the rotating shaft 16, a plurality of through holes 15 are formed at the lower end of the material distribution disc 8, a first fixing plate 9 is arranged at the position corresponding to the material distribution disc 8 inside the screening device body 1, one side of the first fixing plate 9 is provided with a second fixing plate 10, the other side of the second fixing plate 10 is provided with a third fixing plate 11, and the first fixing plate 9 and the screening device body 1, the second fixing plate 10 and the screening device body 1 and the third fixing plate 11 and the screening device body 1 are connected through right-angle rods 14.
Specifically, the first fixing plate 9, the second fixing plate 10 and the third fixing plate 11 are staggered, and the lower end of the third fixing plate 11 is flush with the upper end inside the material distribution disc 8.
Through adopting above-mentioned technical scheme, because fixed plate 9, two 10 of fixed plate and three 11 settings of fixed plate are at different heights, when minute charging tray 8 rotated, the powder in minute charging tray 8 can be blockked to fixed plate 9, two 10 of fixed plate and three 11 of fixed plate to drop the different positions in one-level vibration screen cloth 5 upper end through-hole 15, make one-level vibration screen cloth 5 better to the screening effect of powder.
Specifically, an angle between the first fixing plate 9 and the second fixing plate 10 and an angle between the second fixing plate 10 and the third fixing plate 11 are ninety degrees, and the material distribution disc 8 is in sliding connection with the screening device body 1.
Through adopting above-mentioned technical scheme, make fixed plate 9, two 10 of fixed plate and three 11 dispersion effects to the powder better, make that the powder can be even drop on one-level vibrating screen 5.
Specifically, the material distribution disc 8 is arranged to be of an aluminum structure, the rotating shaft 16 and the material distribution disc 8 are connected through spot welding, and the rotating shaft 16 and the screening device body 1 are connected through a bearing in a rotating mode.
Through adopting above-mentioned technical scheme, when making branch charging tray 8 light convenient the use more, pivot 16 can rotate in sieving mechanism body 1 simultaneously, and is more firm between pivot 16 and the branch charging tray 8.
When the powder screening device is used, the material distribution disc 8 is arranged in the screening device body 1, the motor 3 is started to drive the material distribution disc 8 at the lower end of the rotating shaft 16 to rotate, the powder crushed by the crushing device 12 falls into the material distribution disc 8, when the through hole 15 in the material distribution disc 8 reaches the position right below the crushing device 12, the powder falls to one side of the upper end of the first-stage vibrating screen 5 through the through hole 15, the material distribution disc 8 rotates to drive the powder in the material distribution disc 8 to rotate, and the first fixing plate 9, the second fixing plate 10 and the third fixing plate 11 are arranged at different heights, so that when the material distribution disc 8 rotates, the first fixing plate 9, the second fixing plate 10 and the third fixing plate 11 can block the powder in the material distribution disc 8 and fall to different positions at the upper end of the first-stage vibrating screen 5 through the through hole 15, and the screening effect of the first-stage vibrating screen 5 on the powder is better;
example 2
The present embodiment is different from embodiment 1 in that: a material guide hopper 7 is arranged on the lower side of the second-stage vibrating screen 6, a material outlet 18 corresponding to the material outlet 13 is formed in the lower end of the material guide hopper 7, and a plurality of flow distribution plates 17 are arranged inside the material guide hopper 7.
Through adopting above-mentioned technical scheme, during the powder fell guide hopper 7 when second grade vibration screen cloth 6 screened the powder, guide hopper 7 passed through feed opening 18 water conservancy diversion with the powder and passed in and out discharge opening 13, prevented that the powder gathering is at the inside lower extreme of sieving mechanism body 1 after the screening of second grade vibration screen cloth 6.
Specifically, the flow distribution plates 17 and the material guide hopper 7 are of a welded integral structure, and the adjacent flow distribution plates 17 form a sixty-degree angle.
Through adopting above-mentioned technical scheme, the welding integral type structure is more firm, and sets up a plurality of flow distribution plates 17 in guide hopper 7 and can prevent feed opening 18 from taking place to block up, plays the reposition of redundant personnel effect to the powder.
During the use of this embodiment, through set up guide hopper 7 at second grade vibration screen cloth 6 downside, during the powder falls guide hopper 7 when second grade vibration screen cloth 6 filters the powder, guide hopper 7 passes through feed opening 18 water conservancy diversion business turn over discharge opening 13 with the powder, prevents that powder gathering from taking place to block up at the inside lower extreme of sieving mechanism body 1 after second grade vibration screen cloth 6 filters, sets up a plurality of flow distribution plates 17 simultaneously in guide hopper 7 can prevent that feed opening 18 from taking place to block up, plays the reposition of redundant personnel effect to the powder.
The motor 3 is the prior art, and the model number is Z60-55 ZY.
The structure and the working principle of the screening device body 1, the powder collecting cavity 2, the powder feeding port 4, the primary vibrating screen 5, the secondary vibrating screen 6, the crushing device 12 and the discharging port 13 are disclosed in a metal powder classifying and screening device disclosed in Chinese patent publication No. CN 214416992U.
The working principle and the using process of the utility model are as follows: when the utility model is used, the device is arranged at a proper position, powder is added into a crushing device 12 through a powder feeding port 4, the crushed powder is screened through a primary vibrating screen 5 and a secondary vibrating screen 6, a material distribution disc 8 is arranged in a screening device body 1, a motor 3 is started to drive the material distribution disc 8 at the lower end of a rotating shaft 16 to rotate, the powder crushed by the crushing device 12 falls into the material distribution disc 8, when a through hole 15 in the material distribution disc 8 reaches the position right below the crushing device 12, the powder falls to one side of the upper end of the primary vibrating screen 5 through the through hole 15, the material distribution disc 8 rotates to drive the powder in the material distribution disc 8 to rotate, as a first fixing plate 9, a second fixing plate 10 and a third fixing plate 11 are arranged at different heights, when the material distribution disc 8 rotates, the first fixing plate 9, the second fixing plate 10 and the third fixing plate 11 can block the powder in the material distribution disc 8 and fall to different positions at the upper end of the primary vibrating screen 5 through the through hole 15, make one-level vibration screen 5 better to the screening effect of powder, through set up guide hopper 7 at second grade vibration screen 6 downside, the powder falls in guide hopper 7 when second grade vibration screen 6 filters the powder, guide hopper 7 passes through feed opening 18 water conservancy diversion with the powder and passes in feed opening 13, prevent that the powder gathering from taking place at the inside lower extreme of sieving mechanism body 1 after second grade vibration screen 6 filters, it can prevent that feed opening 18 from taking place to block up to set up a plurality of flow distribution plates 17 simultaneously in guide hopper 7, play the reposition of redundant personnel effect to the powder.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a multistage sieving mechanism of metal powder, includes sieving mechanism body (1), its characterized in that: the lower end of the screening device body (1) is provided with a discharge hole (13), a second-stage vibrating screen (6) is arranged inside the screening device body (1), a first-stage vibrating screen (5) is arranged on the upper side of the second-stage vibrating screen (6), powder collecting cavities (2) are formed in the positions, corresponding to the second-stage vibrating screen (6) and the first-stage vibrating screen (5), of one end of the screening device body (1), a crushing device (12) is arranged at one end of the upper side of the first-stage vibrating screen (5), a powder feeding hole (4) is formed in the position, corresponding to the crushing device (12), of the upper end of the screening device body (1), a motor (3) is arranged in the middle of the upper end of the screening device body (1), a rotating shaft (16) is arranged at the output end of the motor (3), and a material distributing disc (8) is arranged at the lower end of the rotating shaft (16), a plurality of through-holes (15) have been seted up to the lower extreme of branch charging tray (8), the inside position that corresponds with branch charging tray (8) of sieving mechanism body (1) is provided with fixed plate (9), one side of fixed plate (9) is provided with fixed plate two (10), the opposite side of fixed plate two (10) is provided with fixed plate three (11), all be connected through right angle pole (14) between fixed plate (9) and sieving mechanism body (1), between fixed plate two (10) and sieving mechanism body (1) and between fixed plate three (11) and sieving mechanism body (1).
2. The multi-stage screening apparatus for metal powder according to claim 1, wherein: the fixed plate I (9), the fixed plate II (10) and the fixed plate III (11) are staggered with each other, and the lower end of the fixed plate III (11) is flush with the upper end in the material distribution plate (8).
3. The multi-stage screening apparatus for metal powder according to claim 1, wherein: the screening device is characterized in that a ninety-degree angle is formed between the first fixing plate (9) and the second fixing plate (10) and between the second fixing plate (10) and the third fixing plate (11), and the material distribution disc (8) is in sliding connection with the screening device body (1).
4. The multi-stage screening apparatus for metal powder according to claim 1, wherein: divide charging tray (8) to set up to aluminium system structure, through spot welding welded connection between pivot (16) and branch charging tray (8), and rotate through the bearing between pivot (16) and the sieving mechanism body (1) and be connected.
5. The multi-stage screening apparatus for metal powder according to claim 1, wherein: the material guide device is characterized in that a material guide hopper (7) is arranged on the lower side of the second-stage vibrating screen (6), a feed opening (18) corresponding to the discharge opening (13) is formed in the lower end of the material guide hopper (7), and a plurality of flow distribution plates (17) are arranged inside the material guide hopper (7).
6. The multi-stage screening apparatus for metal powder according to claim 5, wherein: the flow distribution plates (17) and the material guide hopper (7) are of a welded integral structure, and the flow distribution plates (17) are adjacent to each other and form a sixty-degree angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123270164.0U CN216705034U (en) | 2021-12-23 | 2021-12-23 | Metal powder multi-stage screening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123270164.0U CN216705034U (en) | 2021-12-23 | 2021-12-23 | Metal powder multi-stage screening device |
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| Publication Number | Publication Date |
|---|---|
| CN216705034U true CN216705034U (en) | 2022-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123270164.0U Active CN216705034U (en) | 2021-12-23 | 2021-12-23 | Metal powder multi-stage screening device |
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| CN (1) | CN216705034U (en) |
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2021
- 2021-12-23 CN CN202123270164.0U patent/CN216705034U/en active Active
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