CN115228723A - Particle sorting device and method - Google Patents
Particle sorting device and method Download PDFInfo
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- CN115228723A CN115228723A CN202210860493.0A CN202210860493A CN115228723A CN 115228723 A CN115228723 A CN 115228723A CN 202210860493 A CN202210860493 A CN 202210860493A CN 115228723 A CN115228723 A CN 115228723A
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- 239000002245 particle Substances 0.000 title claims abstract description 94
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 88
- 238000012216 screening Methods 0.000 claims abstract description 32
- 239000000843 powder Substances 0.000 claims abstract description 20
- 230000009471 action Effects 0.000 claims description 20
- 238000013459 approach Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 13
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 239000011146 organic particle Substances 0.000 abstract description 2
- 239000008187 granular material Substances 0.000 description 38
- 238000007599 discharging Methods 0.000 description 13
- 238000000926 separation method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 5
- 239000004677 Nylon Substances 0.000 description 3
- 230000009194 climbing Effects 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 229920001778 nylon Polymers 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000012254 powdered material Substances 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
Abstract
The invention provides a particle sorting device and a method, relates to the field of organic particle material sorting, and aims at the problem of poor screening effect of particle materials with different particle sizes at present, a vibrating screen with an inclined bulge part is used for vibrating and screening the materials, the bulge part can push long-strip particles with large particle sizes to climb upwards, small-particle-size particles in accordance with specifications gradually fall down, powder materials gradually move transversely along with the vibrating screen, continuous screening of the particle materials is achieved, the particle materials with different specifications are dispersedly moved to different positions, blocking is avoided, and the sorting effect is ensured.
Description
Technical Field
The invention relates to the field of organic particle material sorting, in particular to a particle sorting device and method.
Background
For organic granular materials, such as transparent nylon particles and the like, screening is needed before packaging, and the particle size and the uniform mixing degree have very important influence on subsequent use. For example, chinese patent (application number: 201820100187.6) discloses a screening device for nylon modified master batches, nylon particles are screened in three stages to meet the screening requirements of particles of various sizes, the separation accuracy is achieved, and energy is effectively saved. But the screening that it was aimed at is the screening of approximate granule material different particle diameters, and the granule collecting box need be pulled out and collect, and is not convenient enough during the use.
In the actual production process, not only the materials with different particle sizes need to be screened, but also unqualified products such as long-strip particles, powder and the like in the same batch of particle materials need to be screened, although the existing multilayer screening device can achieve the effect of separating the materials with different specifications after multi-stage screening, the large-particle-size materials are stopped above the screen in the screening process and are easy to block the screen, so that the subsequent materials cannot be screened, and the materials are accumulated on the screen, especially long-strip-shaped particles; if the screen is cleaned regularly, screening continuity is affected, so that the treatment efficiency is low, and if the screen is inclined to automatically discharge, a large amount of unscreened materials are still carried in the discharging process, so that the screening effect is affected; traditional screen cloth structure screening efficiency is low, the screening effect is poor, can't satisfy the demand that many particle diameter granule material was selected separately.
Disclosure of Invention
The invention aims to provide a particle sorting device and a method aiming at the defects in the prior art, wherein a vibrating screen with an inclined bulge part is used for vibrating and screening materials, the bulge part can push long-strip particles with large particle size to climb upwards, small-particle-size particles in accordance with specifications gradually fall down, and powder materials gradually move transversely along with the vibrating screen, so that the continuous screening of the particle materials is realized, the particle materials with different specifications are dispersedly moved to different positions, the blockage is avoided, and the sorting effect is ensured.
The first purpose of the invention is to provide a particle sorting device, which adopts the following scheme:
the vibrating screen is obliquely arranged and mounted on a vibrating table, a plurality of cavities which are arranged at intervals are formed in the sorting box, and each cavity is provided with a sorting port communicated with the outlet end of the vibrating screen; the surface of the vibrating screen is provided with convex parts, the axes of the convex parts are distributed along the direction from the inlet to the outlet of the vibrating screen, the vibrating screen is provided with a plurality of rows of convex parts which are distributed at intervals along the axial direction which is vertical to the convex parts, and the convex parts in adjacent rows are arranged in a staggered way; all the convex parts in the same row are sequentially distributed at intervals along the axial direction; under the action of the vibrating screen, the materials with different particle sizes move towards different sorting openings.
Furthermore, a plurality of layers of vibrating screens which are arranged at intervals are arranged on the vibrating table, the planes of the vibrating screens are parallel, and the outlet end of each layer of vibrating screen is communicated with the sorting box.
Further, be provided with the feeding case on the shale shaker, the feeding case is equipped with many feedstock channel, and feedstock channel and shale shaker one-to-one intercommunication to carry the material to the shale shaker in the feeding case.
Furthermore, the feeding box is connected with the vibrating screen, and the outlet of the feeding channel is positioned at the relatively higher end of the vibrating screen and is positioned at the inlet end of the vibrating screen far away from the outlet end; the height of the inlet end of the vibrating screen is greater than that of the outlet end.
Furthermore, the cross section of the bulge part perpendicular to the axial direction of the bulge part is in a triangle shape, action surfaces with different slopes are formed on two sides of the axial line, and the slope of the action surface on one side of the higher end of the vibrating screen is larger than that of the action surface on the other side.
Furthermore, the sorting box comprises three cavities, namely a first cavity, a second cavity and a third cavity in sequence from high to low along the vibrating screen, and a sliding stop block is arranged between the first cavity and the second cavity to distribute the sizes of inlets of the first cavity and the second cavity; and a filter tank for powder to pass through is arranged at the communication position of the second cavity and the third cavity.
Further, the separation box is connected with a plurality of discharging pipes, and first cavity intercommunication first discharging pipe, the filter tank intercommunication holds the collection chamber of powder, collects chamber intercommunication second discharging pipe, and third cavity intercommunication third discharging pipe.
Further, the shaking table is installed in the frame, and the sorting box is connected in shale shaker one end, and shale shaker, sorting box vibrate along the shale shaker incline direction jointly under the shaking table effect.
A second object of the present invention is to provide a method of operating a particle sorting apparatus according to the first object, comprising:
the inlet end of the vibrating screen receives particles to be sorted, the vibrating table drives the vibrating screen to vibrate, and the particles gradually move towards the sorting box under the action of gravity;
the particles exceeding the specification gradually climb under the action of the convex part, the particles meeting the specification gradually slide downwards under the action of the convex part, and the particles lower than the specification approach to the middle part of the vibrating screen;
the cavity near the higher end of the vibrating screen receives particles that exceed the specification, the cavity near the lower end of the vibrating screen receives particles that meet the specification, and the cavity in the middle receives particles that are below the specification.
Further, the particles entering the middle cavity are subjected to secondary screening, and the particles meeting the specification enter the cavity close to the lower end of the vibrating screen.
Compared with the prior art, the invention has the advantages and positive effects that:
(1) To the present poor problem of the granule material screening effect to different particle diameters, utilize the slope to have the shale shaker of bellying to carry out vibratory screening to the material, the bellying can promote the rectangular granule of big particle diameter to upwards climb, and the granule of the small particle diameter that accords with the specification falls gradually, and powder material is along with shale shaker lateral shifting gradually, reaches the continuous screening to granule material, makes the granule material dispersion of different specifications remove to different positions, avoids blockking up and guarantees to select separately the effect.
(2) The multi-layer vibrating screens are arranged to synchronously act to jointly vibrate as a unified whole, and meanwhile, multiple groups of materials are screened, so that the screening speed is increased; many feedstock channel of cooperation can distribute the material to the multiunit shale shaker, correspond the sorting of multiunit shale shaker, improve the sorting efficiency to the granule.
(3) The granular materials are conveyed to the high position of the vibrating screen and the inlet end far away from the outlet, can naturally fall after the granular materials are put in, and the vibration is utilized to enable the long-strip granules with the lengths exceeding the specification to gradually climb, so that the materials meeting the specification can gradually fall, and the shunting of the granular materials with different particle diameters is realized; meanwhile, the inlet end height is larger than the outlet end height, so that the inlet end height gradually moves towards the outlet end direction while climbing along the inclined direction, and the inlet end height falls into the corresponding cavity to complete separation, reduce the risk of blocking a filter screen, and improve the screening efficiency.
(4) Adopt the bellying of class triangular prism shape, when the shaking table drives the shale shaker along its place plane direction vibration, the working face that utilizes big slope one side promotes rectangular form material and rises, thereby make rectangular form material climb, small-particle diameter material constantly drops in from the clearance of bellying, thereby approach to the bottom, pulverous material removes to the entry direction gradually in the recess between the adjacent row bellying, the vibrational force makes it resume the groove position again after breaking away from the recess, thereby approach to the middle part position, accomplish the sorting of granule material.
(5) Set up the slip dog in the separation box, the entry size to first cavity and the entry size of second cavity are divided, satisfy different vibration parameters, the different distribution area that different materials correspond, reduce the probability that rectangular form material mistake falls into the second cavity, and simultaneously, second cavity intercommunication third cavity to set up the filter-tank in its intercommunication position, filter the powder, the granule that accords with the specification requirement enters into the third cavity from the second cavity once more, improve the qualification rate after the screening.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic view of the structure of a particle sorting apparatus according to embodiment 1 or 2 of the present invention.
Fig. 2 is a schematic structural view of a multilayer vibrating screen in embodiment 1 or 2 of the present invention.
Fig. 3 is a schematic structural view of a vibrating screen in embodiment 1 or 2 of the present invention.
Fig. 4 is a schematic structural view of a sorting box in embodiment 1 or 2 of the present invention.
Fig. 5 is a schematic structural view of a vibration table in embodiment 1 or 2 of the present invention.
Fig. 6 is a schematic structural view of a projection in embodiment 1 or 2 of the present invention.
In the figure, 1 a frame, 2 a vibrating screen, 3 a feeding box, 4 a feeding channel, 5 a sorting box, 6 a first cavity, 7 a second cavity, 8 a third cavity, 9 a first discharging pipe, 10 a second discharging pipe, 11 a third discharging pipe, 12 a vibrating table and 13 bulges.
Detailed Description
Example 1
In one exemplary embodiment of the present invention, a particle sorting apparatus is provided, as shown in fig. 1-6.
The materials sorted in the embodiment are cylindrical particle materials, wherein the strip-shaped materials refer to materials with axial length larger than the required specification; the material meeting the specification is a granular material which can not rise under the action of the vibrating screen 2 and gradually fall to a lower position; for powder, powder and the like smaller than the specification, the powder and the like tend to move to the middle position between the high position and the low position under the action of the vibrating screen 2 and gradually move to the outlet end of the vibrating screen 2.
The particle sorting device shown in figure 1 can sort particle materials, and separate strip-shaped materials with particle sizes exceeding the specification in the materials from the particle materials meeting the specification, so that the problems of easy blockage and poor screening effect of the traditional screening mode are solved.
To the sorting process, utilize the shale shaker 2 that the slope was arranged and had bellying 13 to carry out shale shaker 2 branch to the material, bellying 13 can promote the rectangular granule of big particle diameter upwards to climb, and the granule of small particle diameter that accords with the specification falls gradually, and powder material is along with shale shaker 2 lateral shifting gradually, reaches the continuous screening to granule material, makes the granule material dispersion of different specifications remove to different positions, avoids blockking up and guarantees the sorting effect.
Combine figure 1, fig. 2, granule sorting unit mainly includes shaking table 12, shale shaker 2, feeding box 3 and sorting box 5, shaking table 12 can be installed in frame 1, conveniently arrange in the place, connect shale shaker 2 on shaking table 12, drive 2 vibrations of shale shaker, 2 whole for the horizontal plane slope arrange, therefore, shaking table 12 is with vibrating application in shale shaker 2, the direction of vibration is the incline direction of shale shaker 2 place plane, feeding box 3 intercommunication shale shaker 2, empty the dispersion in shale shaker 2 with the material, sorting box 5 intercommunication shale shaker 2, carry out the categorised collection to the material after the separation, accomplish the sorting process.
As shown in figure 2, a plurality of cavities arranged at intervals are formed in the sorting box 5, each cavity is provided with a sorting port communicated with the outlet end of the vibrating screen 2, materials are gradually shunted at a position close to the outlet end of the vibrating screen 2 after being acted by the vibrating screen 2, and the sorting ports correspondingly accept the materials at different positions.
The surface of the vibrating screen 2 is provided with convex parts 13, the axes of the convex parts 13 are distributed along the direction from the inlet to the outlet of the vibrating screen 2, the vibrating screen 2 is provided with a plurality of rows of convex parts 13 which are distributed at intervals along the axial direction which is vertical to the convex parts 13, and the convex parts 13 in adjacent rows are arranged in a staggered way; a groove is formed between the convex parts 13 in the adjacent rows, and materials such as powder and powder which are smaller than the specification move along the extending direction of the groove.
All the convex parts 13 in the same row are sequentially distributed at intervals along the axial direction; under the effect of shale shaker 2, the material of different particle diameters removes towards different sorting opening to fall into the cavity that different sorting openings correspond and collect, accomplish the sorting of granule material.
As shown in fig. 3 and 6, for the structure of the convex portion 13, the cross section of the convex portion 13 perpendicular to the axial direction thereof is triangular, the two sides of the axial line form action surfaces with different slopes, and the slope of the action surface on the side of the higher end of the vibrating screen 2 is greater than that of the action surface on the other side.
It should be noted that, the positions where the protruding portions 13 contact the material are all smoothed, so that the problems of bouncing, splashing and the like caused by vibration expansion of the material due to sharp ridge structures are avoided.
Adopt the bellying 13 of class triangular prism shape, when shaking table 12 drives shale shaker 2 along its place plane direction vibration, utilize the effect face of big slope one side to promote long form material and rise, thereby make long form material climb, the granule footpath material constantly drops in the clearance of bellying 13, thereby approach to the bottom, powdered material removes to the entry direction gradually in the recess between adjacent row bellying 13, vibrational force makes it resume groove position again after breaking away from the recess, thereby approach to middle part position, accomplish the sorting of granule material.
It can be understood that the gap between the adjacent protrusions 13 in the same row and the gap between the adjacent protrusions 13 in the adjacent row are configured according to requirements, so that the granular materials meeting the specification can gradually fall down and the materials exceeding the specification can gradually rise, and meanwhile, the problems of splashing, flying and the like caused in the vibration process are also required to be avoided.
In order to improve the overall working efficiency, as shown in fig. 1, a plurality of layers of vibrating screens 2 are arranged on a vibrating table 12 at intervals, the planes of the vibrating screens 2 are parallel, the outlet end of each layer of vibrating screen 2 is communicated with a sorting box 5 corresponding to the plurality of layers of vibrating screens 2, a plurality of feeding channels 4 are arranged on the feeding box 3, and the feeding channels 4 are communicated with the vibrating screens 2 in a one-to-one correspondence manner so as to convey materials in the feeding box 3 to the vibrating screens 2.
It can be understood that as shown in fig. 2 and 3, a trough body is arranged in the feeding box 3, the outlet end of the trough body is divided into a plurality of feeding channels 4 under the partition plate, each feeding channel 4 extends downwards and thus extends to the multi-layer vibrating screen 2, and the materials are guided to the vibrating screen 2 for sorting.
The multi-layer vibrating screen 2 is arranged to synchronously act as a unified whole to vibrate together, and meanwhile, a plurality of groups of materials are screened, so that the screening speed is increased; many feedstock channel 4 of cooperation can distribute the material to multiunit shale shaker 2, correspond the sorting of multiunit shale shaker 2, improve the sorting efficiency to the granule.
2 during operation of shale shaker, need disperse granular material according to the specification, granular material carries to 2 high-order of shale shaker and keeps away from the entry end of export, can fall naturally after throwing in granular material to utilize the vibration to make length surpass the rectangular granule of specification and climb gradually, the material that accords with the specification can fall gradually, realizes the reposition of redundant personnel of different particle diameter granular material.
Meanwhile, the material needs to be moved from the inlet end to the outlet end of the vibrating screen 2, so that the material enters the sorting box 5 to complete particle sorting, and for this purpose, the feeding box 3 is connected to the vibrating screen 2, and the outlet of the feeding channel 4 is located at the relatively higher end of the vibrating screen 2 and is located at the inlet end of the vibrating screen 2 far away from the outlet end; the height of the inlet end of the vibrating screen 2 is greater than the height of the outlet end.
The entrance point height is greater than the exit end height for it is when climbing along the incline direction, also is moving to the exit end direction gradually, thereby falls into corresponding cavity, accomplishes and selects separately, has reduced the risk of blockking up the filter screen, improves screening efficiency.
For the structure of the separation box 5, corresponding to the above-mentioned strip-shaped materials exceeding the specification, the granular materials meeting the specification, and the materials smaller than the specification, the powder materials, the separation box 5 is provided with three cavities, and the three cavities are a first cavity 6, a second cavity 7 and a third cavity 8 in sequence from high to low along the vibrating screen 2.
A sliding stop block is arranged between the first cavity 6 and the second cavity 7 so as to distribute the sizes of inlets of the first cavity 6 and the second cavity 7; a filter tank for powder to pass through is arranged at the communication position of the second cavity 7 and the third cavity 8.
Set up the slip dog in the separation box 5, divide the entry size of first cavity 6 and the entry size of second cavity 7, satisfy different distribution regions that different vibration parameters, different materials correspond, reduce the probability that rectangular form material mistake falls into second cavity 7.
In addition, a part of granular materials meeting the specification also exist in the middle area between the upper part and the lower part of the inclined vibrating screen 2, and after the granular materials fall into the second cavity 7 from the middle area, the granular materials in the second cavity 7 can be screened; the second cavity 7 is configured to be communicated with the third cavity 8, the filter tank is arranged at the communication position of the second cavity 7, the thickness of the filter tank is smaller than the size of the particle materials meeting the specification, so that powder is filtered, the particles meeting the specification requirement enter the third cavity 8 from the second cavity 7 again, and the qualified quantity after screening is improved.
When changing the material kind of sorting to shale shaker 2, can adjust the position of slip dog in sorting box 5, also can adjust the size of filter-tank, make it change the size that can supply the powder to pass through.
The vibrating table 12 is arranged on the frame 1, the sorting box 5 is connected to one end of the vibrating screen 2, and the vibrating screen 2 and the sorting box 5 vibrate along the inclined direction of the vibrating screen 2 under the action of the vibrating table 12; the vibrating table 12 is structured as shown in fig. 5, and is driven by a cylinder, and the cylinder is used for pushing a reciprocating mechanism to realize periodic vibration.
Example 2
In another exemplary embodiment of the present invention, a sorting method using a particle sorting apparatus is illustrated in fig. 1 to 6.
With the particle sorting apparatus as in embodiment 1, the sorting method comprises:
the inlet end of the vibrating screen 2 receives particles to be sorted, the vibrating table 12 drives the vibrating screen 2 to vibrate, and the particles gradually move towards the sorting box 5 under the action of gravity;
the particles exceeding the specification gradually climb under the action of the convex part 13, the particles meeting the specification gradually slide downwards under the action of the convex part 13, and the particles lower than the specification approach to the middle part of the vibrating screen 2;
the cavity close to the higher end of the vibrating screen 2 receives particles exceeding the specification, the cavity close to the lower end of the vibrating screen 2 receives particles meeting the specification, and the cavity in the middle receives particles lower than the specification;
the particles entering the middle cavity are screened for the second time, and the particles meeting the specification enter the cavity close to the lower end of the vibrating screen 2.
With reference to embodiment 1 and fig. 1 to 6, specifically:
during feeding: the outlet end of the feeding box 3 is communicated with a plurality of feeding channels 4, and the materials are distributed to a plurality of groups of vibrating screens 2 and are sorted corresponding to the plurality of groups of vibrating screens 2.
While on the vibrating screen 2: drive shale shaker 2 when its place plane direction vibration at shaking table 12, utilize the working face of big slope one side to promote rectangular form material and rise, thereby make rectangular form material climb, the granule footpath material constantly drops in following the clearance of bellying 13, thereby approach to the bottom, powdered material removes to the entry direction in the recess between adjacent row bellying 13 gradually, the vibrational force makes it resume the groove position again after breaking away from the recess, thereby approach to the middle part position, accomplish the sorting of granule material.
When entering the separation box 5: the vibration is utilized to enable the strip-shaped particles with the lengths exceeding the specification to gradually climb, so that the materials meeting the specification can gradually fall down, and the shunting of the particle materials with different particle diameters is realized; the material is when climbing along the incline direction, also is moving to the exit end direction gradually to fall into the cavity of corresponding sort bin 5, accomplish the separation, reduced the risk that blocks up the filter screen, improve screening efficiency.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A particle sorting device is characterized by comprising a vibrating screen and a sorting box, wherein the vibrating screen is obliquely arranged and mounted on a vibrating table, a plurality of cavities which are arranged at intervals are formed in the sorting box, and each cavity is provided with a sorting port communicated with the outlet end of the vibrating screen; the surface of the vibrating screen is provided with convex parts, the axes of the convex parts are distributed along the direction from the inlet to the outlet of the vibrating screen, the vibrating screen is provided with a plurality of rows of convex parts which are distributed at intervals along the axial direction which is vertical to the convex parts, and the convex parts of adjacent rows are arranged in a staggered way; all the convex parts in the same row are sequentially distributed at intervals along the axial direction; under the action of the vibrating screen, the materials with different particle sizes move towards different sorting openings.
2. The particle sorting device of claim 1, wherein the vibratory table is provided with a plurality of layers of spaced vibrating screens, the planes of the vibrating screens are parallel, and the outlet end of each layer of vibrating screen is communicated with the sorting box.
3. The particle sorting apparatus of claim 2, wherein the vibratory screen is provided with a feed box, the feed box is provided with a plurality of feed channels, and the feed channels are in one-to-one communication with the vibratory screen to convey the material in the feed box to the vibratory screen.
4. The particle sorting apparatus of claim 3, wherein the feed box is connected to the shaker, the feed channel outlet being located at a relatively higher end of the shaker and at an inlet end of the shaker remote from the outlet end; the height of the inlet end of the vibrating screen is greater than that of the outlet end.
5. The particle sorting apparatus of claim 1, wherein the projection has a triangular-like cross section perpendicular to the axial direction thereof, and the two sides of the axis form active surfaces having different slopes, and the slope of the active surface on the side of the higher end of the vibrating screen is greater than the slope of the active surface on the other side.
6. The particle sorting apparatus of claim 1, wherein the sorting box comprises three chambers, a first chamber, a second chamber and a third chamber in sequence from high to low along the vibrating screen, and a sliding block is arranged between the first chamber and the second chamber to distribute the inlet sizes of the first chamber and the second chamber; and a filter tank for powder to pass through is arranged at the communication position of the second cavity and the third cavity.
7. The particle sorting device according to claim 6, wherein a plurality of discharge pipes are connected to the sorting box, the first chamber communicates with the first discharge pipe, the filter tank communicates with a collection chamber containing the powder, the collection chamber communicates with the second discharge pipe, and the third chamber communicates with the third discharge pipe.
8. The particle sorting apparatus of claim 1, wherein the vibratory table is mounted to the frame and the sorting box is connected to one end of the vibratory screen, the vibratory screen and the sorting box being vibrated together in a direction along the inclination of the vibratory screen by the vibratory table.
9. A sorting method using the particle sorting apparatus according to any one of claims 1 to 8, comprising:
the inlet end of the vibrating screen receives particles to be sorted, the vibrating table drives the vibrating screen to vibrate, and the particles gradually move towards the sorting box under the action of gravity;
the particles exceeding the specification gradually climb under the action of the convex part, the particles meeting the specification gradually slide downwards under the action of the convex part, and the particles lower than the specification approach to the middle part of the vibrating screen;
the cavity near the higher end of the vibrating screen receives particles that exceed the specification, the cavity near the lower end of the vibrating screen receives particles that meet the specification, and the cavity in the middle receives particles that are lower than the specification.
10. The sorting method according to claim 9, wherein the particles entering the middle chamber are subjected to secondary screening, and the particles meeting the specification enter the chamber near the lower end of the vibrating screen.
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| CN202210860493.0A CN115228723A (en) | 2022-07-21 | 2022-07-21 | Particle sorting device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116213246A (en) * | 2023-05-04 | 2023-06-06 | 四川磊蒙机械设备有限公司 | Vibrating screen capable of automatically controlling screening speed and screening method thereof |
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