CN215313831U

CN215313831U - Magnetic core powder high pressure atomizing screening plant

Info

Publication number: CN215313831U
Application number: CN202121420934.2U
Authority: CN
Inventors: 周永川; 李兆波; 周启轩; 靳来昌; 杨云东; 张安磊
Original assignee: Westmag Technology Corp ltd; CETC 9 Research Institute
Current assignee: Westmag Technology Corp ltd; CETC 9 Research Institute
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2021-12-28
Anticipated expiration: 2031-06-24

Abstract

The utility model discloses a magnetic core powder high-pressure atomization screening device, belongs to the technical field of magnetic powder screening, solves the problems of low efficiency caused by horizontally laying a screen to screen powder and yield reduction caused by larger particle size difference of powder particles, and provides a magnetic core powder high-pressure atomization screening device which comprises a device main body, the device main body is internally provided with a first sieve plate, a second sieve plate and a third sieve plate of stepped grids, and the device main body is provided with a corresponding first discharge hole, a second discharge hole and a third discharge hole, in order to promote the magnetic core powder to sieve the powder particles after high-pressure atomization, three layers of sieve plates with different specifications are designed, each sieve plate is provided with an outlet for the powder particles filtered, so as to collect the powder which does not pass through the sieve plate, and the sieving mode avoids the problem that the particle size difference of the powder particles is larger, the problems of rough surface of the insulation coating and overlarge gap difference between particles occur.

Description

Magnetic core powder high pressure atomizing screening plant

Technical Field

The utility model belongs to the technical field of magnetic powder screening, and particularly relates to a magnetic core powder high-pressure atomization screening device.

Background

The magnetic powder screening machine is important equipment in the production of iron-nickel-molybdenum, and separates the thick powder and the thin powder, avoids the magnetic powder thickness to differ and influences mechanical stability and magnetism when later stage design blocking.

The existing powder sifter separates the powder which is continuously shaken by a vibration motor by utilizing a plurality of layers of horizontally laid screens, but the horizontally laid screens must be slowly separated from bottom to top when the powder falls and is accumulated above the screens, so that the efficiency is low, and in the waiting process, part of fine powder is probably discharged from a coarse powder discharge port along with coarse powder, and the yield is reduced;

the larger the particle size difference of the powder particles is, the rougher the insulated coating surface is, the overlarge gap difference between the particles and the particle pieces is caused, and the requirement on the particle size of the specified screened magnetic powder is difficult to achieve by the existing screening equipment;

therefore, in order to screen the required magnetic powder particle size, a magnetic core powder high-pressure atomization screening device is urgently needed to be designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems of low efficiency caused by screening powder by horizontally laying a screen and yield reduction caused by larger particle size difference of powder particles.

The technical scheme adopted by the utility model is as follows:

the utility model provides a magnetic core powder high pressure atomizing screening plant, includes the device main part and sets up the feeder hopper at device main part top, be provided with first sieve in the device main part, be provided with first discharge gate in the one end that is located first sieve, first discharge gate is connected with the device main part first sieve below is provided with the second sieve the below of second sieve is provided with the third sieve, on the two inner walls of second sieve and device main part, first sieve, second sieve and third sieve are cascaded grid, the one end of second sieve is provided with the second discharge gate, the third sieve side be provided with the third discharge gate, the second discharge gate all is connected with the device main part with the third discharge gate.

Preferably, a collection hopper is provided below the third screen plate, a storage box is provided below the collection hopper, the collection hopper is connected to an inner wall of the device body, and the storage box is connected to a bottom of the device body.

As a preferable scheme, at least two material guide plates are arranged on each of the first sieve plate, the second sieve plate and the third sieve plate.

As a preferred scheme, the plurality of material guide plates are distributed on the corresponding first sieve plate, second sieve plate and third sieve plate along a matrix.

As a preferred scheme, each guide plate is respectively connected with the first sieve plate, the second sieve plate and the third sieve plate in a clamping manner.

Preferably, the material guide plate has a protrusion, and the protrusion is triangular.

As a preferable scheme, a baffle is arranged between the first sieve plate and the second sieve plate, the baffle is arranged in parallel with the first sieve plate and is fixedly connected to the device main body,

preferably, the first screen deck has a greater pitch than the second screen deck.

As a preferred scheme, the height of the first discharge port is greater than that of the second discharge port and that of the third discharge port, and the length of the second discharge port is greater than that of the third discharge port.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

1. in order to promote magnetic core powder and sieve the back powder particulate matter at high pressure atomizing, design the sieve of the different specifications of three-layer, the filterable powder particulate matter of every sieve sets up an export to in powder collection not through this sieve, sieve through this kind of mode, avoided because of the powder particle diameter differs greatly, and take place insulating cladding surface roughness and the granule gap of spare and differ too big problem.

2. The design collecting hopper is used for collecting the magnetic core powder passing through the third sieve plate, plays the role of gathering, and gathers the magnetic core powder through the collecting hopper and flow into and all collect in the containing box.

3. A plurality of stock guide that equidistant distribution distributes first sieve, second sieve and third sieve respectively, slows down powder flow velocity, and filterable more abundant, the increase of the collision frequency of powder and stock guide under the vibrations of the vibrations equipment of sieve separator simultaneously, smashes the magnetic core powder of big granule more easily.

4. All set up the stock guide on the three sieve that corresponds, and stock guide and the sieve joint that corresponds, the quantity of stock guide can also be adjusted to this mode to realize quick equidistant installation after the stock guide location.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is an enlarged schematic view of the present invention at A1 of FIG. 2;

the labels in the figure are: 1. a device main body; 2. a third screen deck; 3. a second screen deck; 4. a first discharge port; 5. a first screen deck; 51. a card slot; 6. a baffle plate; 7. a feed hopper; 8. a third discharge port; 9. a collection hopper; 10. a storage box; 11. a second discharge port; 12. a material guide plate; 121. a raised portion.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Example 1:

as shown in fig. 1 and 2, the magnetic core powder high-pressure atomizing and screening device comprises a device main body 1 and a feed hopper 7 arranged at the top of the device main body 1, wherein a first sieve plate 5 is arranged in the device main body 1, a first discharge hole 4 is arranged at one end of the first sieve plate 5, and the first discharge hole 4 is connected with the device main body 1; first sieve 5 below is provided with second sieve 3 the below of second sieve 3 is provided with third sieve 2, on two inner walls of second sieve 3 and device main part 1, first sieve 5, second sieve 3 and third sieve 2 are cascaded grid, the one end of second sieve 3 be provided with second discharge gate 11 the side of third sieve 2 is provided with third discharge gate 8, second discharge gate 11 all is connected with device main part 1 with third discharge gate 8.

In the structure, in order to promote the magnetic core powder to sieve powder particles after high-pressure atomization, a first sieve plate 5, a second sieve plate 3 and a third sieve plate 2 are designed; three layers are designed and three outlets are designed corresponding to three sieve plate filtering channels, and only the outlets of a first discharge port 4, a second discharge port 11 and a third discharge port 8 are needed to collect the magnetic core powder respectively, wherein for example, the magnetic core powder with the particle size of 18-20 microns needs to be screened out, the first sieve plate 5 can select a sieve with the mesh diameter of 20 microns, the magnetic core powder with the mesh diameter of more than 20 microns is filtered out and discharged from the first discharge port 4, the magnetic core powder with the particle size of less than or equal to 20 microns passes through the first sieve plate 5 and then passes through the second sieve plate 3, the second sieve plate 3 can select a sieve with the mesh diameter of 18 microns, the magnetic core powder with the particle size of less than 18 microns passes through the second sieve plate 3 and enters the third sieve plate 2, and the magnetic core powder with the particle size of 18-20 microns is collected after being discharged through the second discharge port 11.

In addition to this, a third screening deck 2 is provided, the choice being to provide more screening separation, for example: the magnetic core powder smaller than 18 μm needs to be screened, and when the magnetic core powder of 16-18 μm needs to be selected, the third sieve plate 2 can be arranged, and a sieve with the mesh diameter of 16 μm is selected for filtering. Through the screening in the mode, the problems that the difference of the particle diameters of powder particles is larger, the insulating coating surface is rough, and the difference of gaps between the particles and particle parts is too large are avoided.

Example 2:

the present embodiment is developed based on embodiment 1, as shown in fig. 2, a collecting hopper 9 is provided below the third sieve plate 2, a receiving box 10 is provided below the collecting hopper 9, the collecting hopper 9 is connected to the inner wall of the apparatus main body 1, the receiving box 10 is connected to the bottom of the apparatus main body 1, the collecting hopper 9 is designed to collect the magnetic core powder passing through the third sieve plate 2, and plays a role of collecting, and the magnetic core powder collected by the collecting hopper 9 flows into the receiving box 10 to be collected; all there is two at least stock guides 12 that set up on first sieve 5, second sieve 3 and the third sieve 2, a plurality of stock guides 12 distribute at corresponding first sieve 5 along the matrix, a plurality of stock guides 12 of equidistant distribution distributes first sieve 5, second sieve 3 and third sieve 2 respectively, under the vibrations of the shock equipment through current sieve separator in addition, play and slow down magnetic core powder and flow velocity and slow down on first sieve 5 second sieve 3 and the third sieve 2 of slope, filterable more abundant, the shock equipment vibrations of sieve separator are down the collision frequency increase of powder and stock guides 12 simultaneously, smash the magnetic core powder of big granule more easily, every stock guides 12 is the joint with being connected of first sieve 5, second sieve 3 and third sieve 2 respectively, the concrete mode of joint is as shown in figure 3, it has the draw-in groove 51 that draw-in groove 51 draw-in first sieve 5 with the joint of gliding mode to open on first sieve 5, the shell can be disassembled to draw out the material guide plate 12, and secondly, the number of the material guide plates 12 can be adjusted, and the material guide plates 12 can be quickly installed at equal intervals in a positioning mode, wherein the material guide plates 12 are provided with the protrusions 121, the protrusions 121 are triangular, and the protrusions 121 are triangular, so that large-particle magnetic core powder can be crushed more easily; a baffle 6 is arranged between the first sieve plate 5 and the second sieve plate 3, the baffle 6 and the first sieve plate 5 are arranged in parallel, the baffle 6 is fixedly connected to the device main body 1, the powder passing through the baffle 6 is prevented from directly falling into the second discharge port 11 to be discharged, the passing powder falls into the upper part of the second sieve plate 3 along the baffle 6, the sieving of the second sieve plate 3 is enhanced more thoroughly, the inclination of the first sieve plate 5 is larger than that of the second sieve plate 3, and the weight of the magnetic core powder is different according to the difference of the particle sizes of the magnetic core powder after filtering, so that the inclination of the first sieve plate 5 is larger than that of the second sieve plate 3 so as to facilitate the circulation of the magnetic core powder with different weights; the height of first discharge gate 4 will be greater than second discharge gate 11 and third discharge gate 8, the length of second discharge gate 11 will be greater than third discharge gate 8, and highly the differentiation mode of layering more does benefit to and distinguishes the material mouth.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A magnetic core powder high-pressure atomization screening device comprises a device main body (1) and a feed hopper (7) arranged at the top of the device main body (1), and is characterized in that a first screen plate (5) is arranged in the device main body (1), a first discharge hole (4) is formed in one end of the first screen plate (5), the first discharge hole (4) is connected with the device main body (1), a second screen plate (3) is arranged below the first screen plate (5), a third screen plate (2) is arranged below the second screen plate (3), the second screen plate (3) and the second screen plate (3) are arranged on two inner walls of the device main body (1), the first screen plate (5), the second screen plate (3) and the third screen plate (2) are stepped grids, a second discharge hole (11) is formed in one end of the second screen plate (3), and a third discharge hole (8) is formed in the side surface of the third screen plate (2), and the second discharge hole (11) and the third discharge hole (8) are both connected with the device main body (1).

2. The magnetic core powder high-pressure atomizing and screening device according to claim 1, characterized in that a collecting hopper (9) is arranged below the third sieve plate (2), a storage box (10) is arranged below the collecting hopper (9), the collecting hopper (9) is connected to the inner wall of the device main body (1), and the storage box (10) is connected to the bottom of the device main body (1).

3. The magnetic core powder high-pressure atomizing and screening device according to claim 1, wherein at least two material guide plates (12) are arranged on each of the first screen plate (5), the second screen plate (3) and the third screen plate (2).

4. The magnetic core powder high-pressure atomizing screening device of claim 3, characterized in that a plurality of said material guiding plates (12) are distributed in a matrix form on the corresponding first screening plate (5), second screening plate (3) and third screening plate (2).

5. The magnetic core powder high-pressure atomizing and screening device as claimed in claim 4, wherein each guide plate (12) is clamped with the first screen plate (5), the second screen plate (3) and the third screen plate (2).

6. The magnetic core powder high-pressure atomizing and screening device of claim 5, wherein the material guide plate (12) is provided with a convex part (121), and the shape of the convex part (121) is triangular.

7. The magnetic core powder high-pressure atomizing and screening device according to claim 1, characterized in that a baffle (6) is arranged between the first screen plate (5) and the second screen plate (3), the baffle (6) is arranged in parallel with the first screen plate (5), and the baffle (6) is fixedly connected to the device main body (1).

8. A magnetic core powder high-pressure atomizing screening device according to claim 1, characterized in that the inclination of the first screening plate (5) is larger than that of the second screening plate (3).

9. The magnetic core powder high-pressure atomizing and screening device of claim 1, wherein the height of the first discharging port (4) is larger than that of the second discharging port (11) and that of the third discharging port (8), and the length of the second discharging port (11) is larger than that of the third discharging port (8).