CN116078664A

CN116078664A - Rotatory sorting unit of grit

Info

Publication number: CN116078664A
Application number: CN202310383717.8A
Authority: CN
Inventors: 张磊
Original assignee: JILIN RAILWAY TECHNOLOGY COLLEGE
Current assignee: JILIN RAILWAY TECHNOLOGY COLLEGE
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-05-09
Anticipated expiration: 2043-04-12
Also published as: CN116078664B

Abstract

The invention belongs to the technical field of building construction, and particularly relates to a rotary sorting device for sand, which comprises: a screening plate and a scraper; the screening plate is used for screening the particles and comprises division bars, the number of the division bars is greater than one, material leakage gaps are formed among the division bars, the width of each material leakage gap is a preset value X, and the particles with the particle size smaller than the X can pass through the material leakage gaps; the scraping plate is used for dredging the material leakage gap, and can penetrate through the material leakage gap; the scraper blade is arranged for dredging the material leakage gap of the screening plate, and the screening efficiency is improved.

Description

Rotatory sorting unit of grit

Technical Field

The invention belongs to the technical field of building construction, and particularly relates to a rotary sand sorting device.

Background

In building construction, raw materials such as sand and stone are needed, and the particle size of the sand and stone is one of parameters capable of determining whether the sand and stone can be used for building construction; the sand with different particle sizes has different purposes, and when the sand is produced, a screening device is needed to screen the sand with different particle sizes for distinction; in the prior art, as disclosed in chinese patent CN111842101B, a sand screening device for building construction is disclosed, which includes mechanical parts such as a screen member and a pushing plate, and the screen disposed thereon is easily blocked by sand, so as to affect the screening efficiency of sand.

Disclosure of Invention

Based on this, it is necessary to provide a rotary separation device for sand, which aims at the problems that the sand screening device for the existing building construction cannot automatically dredge and block the screen so that sand cannot be sufficiently screened and the sand screening efficiency is low.

The above purpose is achieved by the following technical scheme:

a rotational sorting apparatus for sand, comprising: a screening plate and a scraper; the screening plate is used for screening particles and comprises division bars, the number of the division bars is larger than one, material leakage gaps are arranged among the division bars, the width of each material leakage gap is a preset value X, and the particles with the particle size smaller than X can pass through the material leakage gaps; the scraping plate is used for dredging the material leakage gap, and the scraping plate can penetrate through the material leakage gap.

Further, the screening plates are obliquely arranged; the screening board is quadrilateral structure, four angles of screening board do not have four screening positions, are first screening position, second screening position, third screening position and fourth screening position respectively according to anticlockwise order, the height of first screening position is greater than the height of second screening position, the height of second screening position equals the height of fourth screening position, the height of second screening position is greater than the height of third screening position.

Further, the screening plates are obliquely arranged; the screening board is quadrilateral structure, four angles of screening board do not have four screening positions, are first screening position, second screening position, third screening position and fourth screening position respectively according to anticlockwise order, the height of first screening position is greater than the height of fourth screening position, the height of fourth screening position is greater than the height of second screening position, the height of second screening position is greater than the height of third screening position.

Further, the parting bead comprises a first end and a second end, and the first end is vertically and fixedly connected with the second end.

Further, it also comprises a housing, said screening plate being disposed within said housing; the vibrating assembly is used for vibrating the screening plate; the vibration assembly comprises a sliding plate, the sliding plate is in sliding connection with the inner wall of the shell, and the first end part is fixedly connected with the sliding plate.

Further, the vibration assembly further comprises a connecting column, a fixed sleeve and a first elastic piece; the fixed sleeve with shell fixed contact sets up, the spliced pole with fixed telescopic inner wall sliding contact sets up, the one end of first elastic component with the bottom fixed contact setting of spliced pole, the other end of first elastic component with fixed telescopic inner bottom surface contact sets up, first elastic component has the resilience effect.

Further, the vibration assembly further comprises a fixed plate, a second elastic piece and a telescopic plate; the fixed plate with second tip fixed contact sets up, be provided with flexible cavity in the fixed plate, the expansion plate sets up in the flexible cavity, just the expansion plate with the inner wall sliding contact of flexible cavity sets up, the one end of second elastic component with the expansion plate rigid coupling, the other end of second elastic component with the fixed plate rigid coupling, when the scraper blade passes through the material leakage clearance, the expansion plate with the scraper blade contact forms frictional force, makes the scraper blade drives the screening board vibration.

Further, the scraper passes through a leakage gap of the screening plate along a second direction; the direction of the particulate matters passing through the material leakage gap is a first direction, and the second direction is the opposite direction of the first direction.

Further, the scraper comprises a dredging bar and a rotary sleeve; the number of the dredging strips is more than one, and the dredging strips are fixedly connected with the rotary sleeve; the dredging strips are arranged on the rotary sleeve along a first straight line, and the first straight line inclines for a preset included angle relative to the axis of the rotary sleeve.

Further, the device comprises a shell, wherein a feed inlet, a discharge outlet and a collecting cavity are arranged on the shell; the particulate matter passes through the feed inlet gets into inside the shell, the particle size is less than X the particulate matter by the discharge gate discharge the shell, the scraper blade can be with the particle size more than or equal to X the particulate matter discharge the collection chamber.

The beneficial effects of the invention are as follows:

1. the scraper blade is used for dredging the material leakage gap of the screening plate, and screening efficiency is improved.

2. The scraper blade sets up on rotatory sleeve slope, and the effort that removes to first screening position is applyed to the particulate matter on the screening board to the scraper blade to increase the stroke of particulate matter on the screening board, improve the utilization ratio of screening board.

3. Set up vibration subassembly, make vibration subassembly drive screening board vibration, improve screening efficiency of screening board.

4. The telescopic plate is fixedly connected to the parting bead, and when the scraping plate passes through the material leakage gap, the telescopic plate contacts with the scraping plate to form friction force, so that the scraping plate drives the sieving plate to vibrate, and the sieving efficiency of the sieving plate is improved.

5. The sieve plate can discharge the particles with large particle size into the collecting cavity, so that the particles with small particle size and the particles with large particle size are discharged separately.

Drawings

FIG. 1 is a schematic view of a rotary classifier of sand according to an embodiment of the present invention;

FIG. 2 is a side view of one embodiment of a rotary sand sorting apparatus of the present invention;

FIG. 3 is a cross-sectional view taken along the direction A-A in FIG. 2;

FIG. 4 is a schematic view of a part of the construction of one embodiment of the rotary sorting apparatus for sand according to the present invention;

FIG. 5 is a schematic view of the screen plate of one embodiment of the rotary sand sorting apparatus of the present invention;

FIG. 6 is a partial enlarged view at B in FIG. 5;

FIG. 7 is a schematic view of the structure of the scraper of one embodiment of the rotary sand sorting device of the present invention;

wherein:

100. a housing; 101. a feed inlet; 102. a discharge port; 103. a collection chamber; 104. a fixed sleeve;

200. a motor; 201. a first screening position; 202. a second screening position; 203. a third screening position; 204. a fourth screening position;

300. a hinged plate; 310. a vibration assembly;

400. a main shaft;

500. a screening plate; 501. a connecting column; 502. a fixing plate; 503. a telescoping plate; 504. a parting bead; 5041. a first end; 5042. a second end; 505. a sliding plate; 506. a first elastic member;

600. rotating the sleeve; 601. a scraper; 602. and (5) dredging strips.

Detailed Description

The present invention will be further described in detail below with reference to examples, which are provided to illustrate the objects, technical solutions and advantages of the present invention. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

The numbering of components herein, such as "first," "second," etc., is used merely to distinguish between the described objects and does not have any sequential or technical meaning. The terms "coupled" and "connected," as used herein, are intended to encompass both direct and indirect coupling (coupling), unless otherwise indicated. In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

A rotary sand sorting apparatus according to an embodiment of the present invention will be described below with reference to fig. 1 to 7.

As shown in fig. 1-5, a rotary sand sorting device can be used for sand screening, and can be used for screening other particles; specifically, it includes: a screen plate 500 and a scraper 601; the screening plate 500 is used for screening particles, the screening plate 500 comprises partition strips 504, the number of the partition strips 504 is greater than one, material leakage gaps are formed among the partition strips 504, the width of each material leakage gap is a preset value X, and particles with the particle size smaller than the X can pass through the material leakage gaps; the scraping plate 601 is used for dredging a leakage gap, and the scraping plate 601 can penetrate through the leakage gap.

The spacer bars 504 and the spacer bars 504 are provided with a material leakage gap, the spacer bars 504 are uniformly arranged, the width of the material leakage gap is X, and the width of the material leakage gap is adjusted to be large by the particle with the particle size.

The parting strips 504 are arranged in parallel, the particles with the particle diameter equal to X in the particles are contacted with the parting strips 504 to form friction force, yi Ka is arranged in a leakage gap, so that screening efficiency of the leakage gap is reduced, the scraper 601 is arranged, the scraper 601 can remove the particles clamped in the leakage gap through the leakage gap, and screening efficiency of the screening plate 500 is guaranteed.

Further, as shown in fig. 1 to 5, the screening plate 500 is disposed obliquely; the screening deck 500 has a quadrangular structure, and four corners of the screening deck 500 have four screening positions, respectively, a first screening position 201, a second screening position 202, a third screening position 203 and a fourth screening position 204 in a counterclockwise order, the first screening position 201 having a height greater than the second screening position 202, the second screening position 202 having a height equal to the fourth screening position 204, and the second screening position 202 having a height greater than the third screening position 203.

In one embodiment, as shown in fig. 1-5, the screen plate 500 is disposed obliquely; the screening deck 500 has a quadrangular structure, and four corners of the screening deck 500 have four screening positions, respectively, a first screening position 201, a second screening position 202, a third screening position 203 and a fourth screening position 204 in a counterclockwise order, the first screening position 201 having a height greater than the fourth screening position 204, the fourth screening position 204 having a height greater than the second screening position 202, and the second screening position 202 having a height greater than the third screening position 203.

It will be appreciated that the heights of the first screening position 201, the second screening position 202, the third screening position 203 and the fourth screening position 204 may be from a horizontal plane or from other planes.

Specifically, it further includes a housing 100, and a sieving plate 500 is provided in the housing 100, the sieving plate 500 having a quadrangular shape with four side lengths, a, b, c, and d, respectively, in a counterclockwise order.

The side length a is arranged in contact with the shell 100, and b is adjacent to a, the point where a and b intersect is a second screening position 202, the point where b and c intersect is a third screening position 203, the point where c and d intersect is a fourth screening position 204, and the point where d and a intersect is a first screening position 201.

Through setting up screening board 500 slope, be favorable to the particulate matter to remove on screening board 500, increase the utilization efficiency in leaking the material clearance, improve screening efficiency.

Further, as shown in fig. 5, the division bar 504 includes a first end 5041 and a second end 5042, the first end 5041 being vertically affixed to the second end 5042.

The housing 100, the first end 5041, and the second end 5042 form a particulate screening chamber to provide for more thorough screening of particulate.

Further, as shown in fig. 2 to 5, it further includes a housing 100, and a screening plate 500 is provided in the housing 100.

It also includes a vibration assembly 310, the vibration assembly 310 being configured to vibrate the screen plate 500; the vibration assembly 310 includes a sliding plate 505, the sliding plate 505 being slidably coupled to an inner wall of the housing 100, and a first end 5041 being fixedly coupled to the sliding plate 505.

One end of the first end portion 5041 is fixedly connected with the sliding plate 505, the other end of the first end portion 5041 is fixedly connected with the second end portion 5042, the sliding plate 505 can drive the first end portion 5041 to move, the first end portion 5041 can drive the second end portion 5042 to move, and then the particles are screened in a vibrating mode.

The vibration component 310 is arranged, so that the vibration component 310 drives the screening plate 500 to vibrate, and the screening efficiency of the screening plate 500 is improved.

Further, as shown in fig. 3 to 5, the vibration assembly 310 further includes a connection post 501, a fixing sleeve 104, and a first elastic member 506.

The fixed sleeve 104 is fixedly contacted with the shell 100, the connecting column 501 is slidably contacted with the inner wall of the fixed sleeve 104, one end of the first elastic piece 506 is fixedly contacted with the bottom of the connecting column 501, the other end of the first elastic piece 506 is contacted with the inner bottom surface of the fixed sleeve 104, and the first elastic piece 506 has a rebound effect.

The first elastic piece 506 and the fixed sleeve 104 are vertically arranged, the first elastic piece 506 stretches and rebounds to drive the connecting column 501 to reciprocate up and down, and the connecting column 501 reciprocates to drive the first end 5041 to reciprocate, so that the vibration screening effect of the particles on the parting bead 504 is improved.

Further, as shown in fig. 3 to 6, the vibration assembly 310 further includes a fixing plate 502, a second elastic member, and a telescoping plate 503.

Fixed plate 502 and second tip 5042 fixed contact setting are provided with flexible cavity in the fixed plate 502, and flexible board 503 sets up in flexible cavity, and flexible board 503 and flexible cavity's inner wall sliding contact setting, and the one end and the flexible board 503 rigid coupling of second elastic component, the other end and the fixed plate 502 rigid coupling of second elastic component, when scraper blade 601 passes through the material clearance that leaks, flexible board 503 and scraper blade 601 contact formation frictional force make scraper blade 601 drive screening board 500 vibration, improve screening efficiency of screening board 500.

The number of the fixing plates 502, the second elastic pieces and the expansion plates 503 is equal to the number of the division bars 504, and the expansion plates 503 are arranged in a pairwise opposite manner.

In one embodiment, the scraper 601 passes through the leakage gap of the screen plate 500 in the second direction.

The direction of the particulate matters passing through the leakage gap is a first direction, and the second direction is the opposite direction of the first direction.

The scraper 601 dredges the material leakage gap along the second direction, and prevents the screening plate 500 from screening particles with a particle diameter greater than X.

Further, as shown in fig. 1 to 7, the blade 601 includes a circulation bar 602 and a rotating sleeve 600.

The number of the dredging bars 602 is greater than one, and the dredging bars 602 are fixedly connected with the rotary sleeve 600.

The circulation bars 602 are arranged on the rotary sleeve 600 along a first straight line inclined at a preset angle with respect to the axis of the rotary sleeve 600.

Specifically, it further includes a motor 200 and a spindle 400; the motor 200 can drive the main shaft 400 to rotate, and the main shaft 400 is fixedly connected with the rotary sleeve 600; the rotation of the motor 200 drives the spindle 400 to rotate, the rotation of the spindle 400 drives the rotary sleeve 600 to rotate, and the rotation of the rotary sleeve 600 drives the dredging bars 602 to rotate. The preset included angle is larger than zero. The axis of the rotating sleeve 600 is perpendicular to the parting bead 504.

The dredging bars 602 are obliquely arranged on the rotary sleeve 600, when the dredging bars 602 rotate, particles on the screening plate 500 are enabled to contact the dredging bars 602 from the third screening position 203 to the first screening position 201 successively, and the dredging bars 602 apply acting force to the particles on the screening plate 500, which moves towards the first screening position 201, through rotation and pushing of the dredging bars 602, so that the stroke of the particles on the screening plate 500 is increased, and the utilization rate of the screening plate 500 is improved.

In one embodiment, as shown in fig. 1 to 7, the device comprises a housing 100, and a feed inlet 101, a discharge outlet 102 and a collection cavity 103 are arranged on the housing 100.

The particulate matter enters the shell 100 through the feeding hole 101, the particulate matter with the particle size smaller than X is discharged out of the shell 100 through the discharging hole 102, and the scraper 601 can discharge the particulate matter with the particle size larger than or equal to X into the collecting cavity 103.

The housing 100 also includes a hinged plate 300, and the collection chamber 103 is capable of storing particulate matter when the hinged plate 300 is closed; when the hinge plate 300 is opened, the collection chamber 103 discharges the particulate matter.

Specifically, the width of the parting bead 504 is equal to X, the width of the leakage gap between parting bead 504 and parting bead 504 is equal to X, the width of the dredging bead 602 is equal to X, and the gap width between dredging

beads

602 and 602 is equal to X.

The motor 200 drives the main shaft 400 to rotate, the main shaft 400 rotates to drive the rotary sleeve 600 to rotate, the rotary sleeve 600 rotates to drive the dredging strip 602 to rotate, the dredging strip 602 rotates to pass through the sieving plate 500 along the second direction, particles with the particle size larger than or equal to X on the sieving plate 500 move along with the dredging strip 602, the dredging strip 602 continues to rotate after the dredging strip 602 rotates to pass through the sieving plate 500, the particles with the particle size larger than or equal to X move to the upper part of the collecting cavity 103, the gravity of the particles with the particle size larger than or equal to X falls into the collecting cavity 103, after the collecting cavity 103 is filled with the particles, the hinge plate 300 is opened, and the particles in the collecting cavity 103 are discharged.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims

1. A rotary sand sorting device, comprising: a screening plate and a scraper;

the screening plate is used for screening particles and is obliquely arranged, the screening plate comprises division bars, the number of the division bars is larger than one, material leakage gaps are arranged between the division bars, the width of each material leakage gap is a preset value X, and the particles with the particle size smaller than X can pass through the material leakage gaps;

the scraping plate is used for dredging the material leakage gap and comprises a dredging bar and a rotary sleeve;

the dredging strip can pass through the material leakage gap;

the dredging strips pass through the material leakage gap of the screening plate along the second direction;

the direction of the particulate matters passing through the material leakage gap is a first direction, and the second direction is the opposite direction of the first direction;

the number of the dredging strips is more than one, and the dredging strips are fixedly connected with the rotary sleeve;

the dredging strips are arranged on the rotary sleeve along a first straight line, and the first straight line inclines for a preset included angle relative to the axis of the rotary sleeve.

2. The rotary sand and gravel sorting device according to claim 1, wherein the screening plate has a quadrangular structure, four corners of the screening plate have four screening positions, namely, a first screening position, a second screening position, a third screening position and a fourth screening position in a counterclockwise order, the first screening position having a height greater than that of the second screening position, the second screening position having a height equal to that of the fourth screening position, and the second screening position having a height greater than that of the third screening position.

3. The rotary sand and gravel sorting device according to claim 1, wherein the screening plate has a quadrangular structure, four corners of the screening plate have four screening positions, namely a first screening position, a second screening position, a third screening position and a fourth screening position in a counterclockwise order, the first screening position having a height greater than that of the fourth screening position, the fourth screening position having a height greater than that of the second screening position, and the second screening position having a height greater than that of the third screening position.

4. A rotary sand and gravel sorting device according to claim 2 or 3, wherein the division bar comprises a first end and a second end, the first end being fixedly connected to the second end vertically.

5. The rotary sand sorting apparatus of claim 4 further comprising a housing, the screen being disposed within the housing;

the vibrating assembly is used for vibrating the screening plate;

the vibration assembly comprises a sliding plate, the sliding plate is in sliding connection with the inner wall of the shell, and the first end part is fixedly connected with the sliding plate.

6. The rotational sand sorting device of claim 5, wherein the vibration assembly further comprises a connecting post, a stationary sleeve, and a first resilient member;

the fixed sleeve with shell fixed contact sets up, the spliced pole with fixed telescopic inner wall sliding contact sets up, the one end of first elastic component with the bottom fixed contact setting of spliced pole, the other end of first elastic component with fixed telescopic inner bottom surface contact sets up, first elastic component has the resilience effect.

7. The rotational sand sorting device of claim 6, wherein the vibration assembly further comprises a fixed plate, a second elastic member, and a telescoping plate;

the fixed plate with second tip fixed contact sets up, be provided with flexible cavity in the fixed plate, the expansion plate sets up in the flexible cavity, just the expansion plate with the inner wall sliding contact of flexible cavity sets up, the one end of second elastic component with the expansion plate rigid coupling, the other end of second elastic component with the fixed plate rigid coupling, when the mediation strip passes through the material leakage clearance, the expansion plate with the mediation strip contact forms frictional force, makes the mediation strip drives the screening board vibration.

8. The rotary sand and gravel sorting device according to claim 1, which comprises a shell, wherein a feed inlet, a discharge outlet and a collecting cavity are arranged on the shell;

the particulate matter passes through the feed inlet gets into inside the shell, the particle diameter is less than X the particulate matter by the discharge gate discharge the shell, the mediation strip can be with the particle diameter more than or equal to X's particulate matter discharge into collect the chamber.