CN113798179B - Aggregate screening device for concrete production - Google Patents

Aggregate screening device for concrete production Download PDF

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Publication number
CN113798179B
CN113798179B CN202111284509.XA CN202111284509A CN113798179B CN 113798179 B CN113798179 B CN 113798179B CN 202111284509 A CN202111284509 A CN 202111284509A CN 113798179 B CN113798179 B CN 113798179B
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CN
China
Prior art keywords
screening frame
plate
aggregate
frame
fixed
Prior art date
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Active
Application number
CN202111284509.XA
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Chinese (zh)
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CN113798179A (en
Inventor
杨璨嶷
吴海浪
孙俊
王涛
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Shandong Jiujuxiang Building Decoration Co Ltd
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Shandong Jiujuxiang Building Decoration Co ltd
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Priority to CN202111284509.XA priority Critical patent/CN113798179B/en
Publication of CN113798179A publication Critical patent/CN113798179A/en
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Publication of CN113798179B publication Critical patent/CN113798179B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • B07B1/34Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen
    • B07B1/343Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen with mechanical drive elements other than electromagnets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D47/00Separating dispersed particles from gases, air or vapours by liquid as separating agent
    • B01D47/02Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/42Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B2201/00Details applicable to machines for screening using sieves or gratings
    • B07B2201/04Multiple deck screening devices comprising one or more superimposed screens
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • Y02A50/2351Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

Abstract

The invention discloses an aggregate screening device for concrete production, which relates to the technical field of concrete production, and particularly relates to an aggregate screening device for concrete production. This aggregate sieving mechanism for production based on concrete, through the setting of top screening frame and below screening frame and dust collection box, the inner chamber fixed connection second backup pad that makes the top screening frame connects supporting spring in the top of second backup pad, makes supporting spring's top connecting splint, makes the inboard installation filter plate of splint, conveniently passes through air nozzle and supporting spring's cooperation, controls the up-and-down motion of filter plate, conveniently makes the aggregate sieve, extension means's life simultaneously.

Description

Aggregate screening device for concrete production
Technical Field
The invention relates to the technical field of concrete production, in particular to an aggregate screening device for concrete production.
Background
Concrete aggregate is a granular loose material which plays a role of a framework or filling in concrete and is divided into coarse aggregate and fine aggregate, wherein the coarse aggregate refers to pebbles, broken stones and the like, the fine aggregate refers to natural sand, artificial sand and the like, the aggregate with the grain diameter of more than 4.75mm is called coarse aggregate and commonly called stones, the gravel and pebbles are commonly used, the broken stones are rock particles with the grain diameter of more than 4.75mm which are prepared by mechanically crushing and screening natural rocks or rocks, the pebbles are rock particles with the grain diameter of more than 4.75mm which are prepared by carrying, sorting and stacking natural weathering, water flow and the like, and the pebbles and the broken stone particles with the length of 2.4 times larger than the average grain diameter of the corresponding grade of the particles are needle-shaped particles; the aggregate with the particle size of less than 4.75mm is called fine aggregate, commonly called sand, the sand is divided into natural sand and artificial sand according to the production source, the natural sand is rock particles with the particle size of less than 4.75mm and does not include particles of soft rock and weathered rock, the natural sand comprises river sand, lake sand, mountain sand and desalinated sea sand, and the artificial sand is a general name of machine-made sand and mixed sand which are subjected to soil removal treatment.
In the production process of concrete, need filter the aggregate earlier, need sieve the great stone of diameter value, prevent to influence the quality of concrete when the preparation of concrete, the method of current screening adopts vibrator to shake the woollen, utilize the cooperation of filter screen, then accomplish the screening, and the screening of this mode can lead to the vibrations of organism frequent, lead to the very big shortening of life-span of organism, and the filter screen can be impaired seriously, influence the life of device, for this reason, we provide one kind based on aggregate sieving mechanism for the concrete production.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an aggregate screening device for concrete production, which solves the problems in the background art.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an aggregate sieving mechanism for production based on concrete, includes top screening frame, its characterized in that: the utility model discloses a dust collection box, including top screening frame, air nozzle, fixed mounting plate, the top screening frame, the fixed mounting plate that is equipped with of inner chamber of supporting shoe, the below fixed mounting plate of below screening frame has the dust collection box, the left and right wall fixed mounting plate of top screening frame and below screening frame, the air nozzle is equipped with to the inner chamber of supporting shoe fixed sleeve, the top fixedly connected with gas-supply pipe of air nozzle, the left and right wall fixed mounting plate of top screening frame and below screening frame has the second backup pad, the top fixedly connected with supporting spring of second backup pad, supporting spring's top fixedly connected with splint, two the inboard movable sleeve of splint is equipped with the filter plate, the air nozzle is located the top of splint, the fixed slot has been seted up to the inboard of splint, filter plate activity suit is in the inside of fixed slot.
Optionally, the material changing frame is fixedly arranged on the rear sides of the upper screening frame and the lower screening frame, a fixing plate is movably sleeved in an inner cavity of the material changing frame, a first supporting plate is fixedly arranged on the front sides of the upper screening frame and the lower screening frame, a fixing spring is fixedly connected to the upper side of the first supporting plate, and a fixing block is fixedly connected to the upper side of the fixing spring.
Optionally, a gas blocking sleeve is fixedly sleeved on the front side of the dust collection box, a gas blocking plate is fixedly sleeved on an inner cavity of the gas blocking sleeve, a blocking spring is fixedly connected to the rear side of the gas blocking plate, a blocking plate is fixedly connected to the rear end of the blocking spring, and a blocking ring is fixedly sleeved on the inner cavity of the gas blocking sleeve.
Optionally, the outer side movable sleeve of the gas blocking sleeve is provided with a pushing sleeve, a third supporting plate is fixedly installed in the inner cavity of the pushing sleeve in a fixed sleeved mode, a supporting rod is fixedly connected to the front side of the third supporting plate, a bearing is fixedly installed on the outer portion of the front end of the supporting rod in a fixed sleeved mode, and the pushing sleeve is fixedly installed on the outer portion of the bearing in a sleeved mode.
Optionally, the left side of top screening frame and the right side fixed mounting of below screening frame limit flitch and limit material piece, the inboard movable sleeve of limit flitch and limit material piece is equipped with the movable block, the top the right side height value of filter plate is greater than the left side height value, the below the filter plate left side height value is greater than the right side height value.
Optionally, the upper part of the fixing plate is attached to the inner sides of the two fixing blocks, and the material changing frame is parallel to the filter plate in the front and back direction.
Optionally, the rear surface of the blocking plate is attached to the front surface of the blocking ring, and the diameter value of the blocking plate is larger than the inner diameter value of the blocking ring.
Optionally, the outer portion of the gas blocking sleeve and the inner side of the pushing sleeve are provided with threads which are matched with each other, the pushing sleeve and the blocking plate are parallel to each other in the front-back direction, and the diameter value of the pushing sleeve is smaller than the inner diameter value of the blocking ring.
The invention provides an aggregate screening device for concrete production, which has the following beneficial effects:
1. this aggregate sieving mechanism for production based on concrete, through the setting of top screening frame and below screening frame and dust collection box, the inner chamber at top screening frame and below screening frame is connected with the air nozzle through the supporting shoe, make the inner chamber fixed connection second backup pad of top screening frame, connect supporting spring in the top of second backup pad, make supporting spring's top connect the movable block, make the inboard installation filter plate of movable block, conveniently pass through the cooperation of air nozzle and supporting spring, the up-and-down motion of control filter plate, conveniently make the aggregate sieve, extension fixture's life simultaneously.
2. This aggregate sieving mechanism for production based on concrete, through at the rear side of top screening frame and below screening frame open establish the reloading frame, make the inner chamber activity suit fixed plate of reloading frame, be connected with first backup pad at the rear end of top screening frame, at the inboard fixed connection fixed spring of first backup pad, make the inboard fixed connection fixed block of fixed spring, make the fixed block and the outside laminating of fixed plate, conveniently change the filter plate when using, the fixed plate can prevent droing of filter plate simultaneously.
3. This aggregate sieving mechanism for production based on concrete, through the rear side suit stifled gas jacket at the dust collection box, make the outside of stifled gas jacket promote the cover through screw thread activity suit, at the fixed suit third backup pad in the inner chamber that promotes the cover, the front side of third backup pad passes through bracing piece and bearing connection filter plate, makes the fixed cover in inner chamber that blocks up the gas jacket be equipped with stifled gas board and shutoff ring, at the front side fixedly connected with shutoff spring of stifled gas board, makes the front end connection shutoff board of shutoff spring, makes the inner chamber atmospheric pressure increase among the convenient device vibrations process, collects the dust in the water of dust collection box inner chamber.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the present invention in a disassembled state;
FIG. 3 is a schematic structural view of an upper screening frame according to the present invention;
FIG. 4 is a schematic structural view of a filter plate according to the present invention;
FIG. 5 is a schematic structural diagram of a fixing plate according to the present invention;
fig. 6 is a schematic structural view of the air blocking sleeve of the present invention.
In the figure: 1. an upper screening frame; 2. a lower screening frame; 3. a dust collection box; 5. a support block; 6. an air nozzle; 7. a gas delivery pipe; 8. a material limiting plate; 9. a movable block; 10. a limiting block; 11. a material changing frame; 12. a fixing plate; 13. a first support plate; 14. fixing the spring; 15. a fixed block; 16. a second support plate; 17. a support spring; 18. a splint; 19. fixing grooves; 20. filtering a plate; 21. blocking the air sleeve; 22. a gas blocking plate; 23. plugging the spring; 24. a plugging plate; 25. a plugging ring; 26. a push sleeve; 27. a third support plate; 28. a support bar; 29. a bearing; 30. and (7) pushing the sleeve.
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.
Referring to fig. 1 to 3, the present invention provides a technical solution: an aggregate screening device for concrete production comprises an upper screening frame 1, a lower screening frame 2 is fixedly arranged below the upper screening frame 1, a dust collection box 3 is fixedly arranged below the lower screening frame 2, supporting blocks 5 are fixedly arranged on the left and right walls of the upper screening frame 1 and the lower screening frame 2, an air nozzle 6 is fixedly sleeved in an inner cavity of each supporting block 5, the air nozzle 6 is positioned above a clamping plate 18, a material limiting plate 8 and a material limiting block 10 are fixedly arranged on the left side of the upper screening frame 1 and the right side of the lower screening frame 2, a movable block 9 is movably sleeved on the inner sides of the material limiting plate 8 and the material limiting block 10, the right side height value of the upper filtering plate 20 is larger than the left side height value, the left side height value of the lower filtering plate 20 is larger than the right side height value, the outer side of a control air pipe 7 is connected with an air pump, air is sprayed into the inner cavity of the air pipe 7 and is sprayed out downwards through the air nozzle 6, make air nozzle 6 jet air downwards, make gaseous splint 18 promote downwards, make splint 18 drive the filter plate 20 downstream, filter plate 20 upwards resets under supporting spring 17's effect afterwards, make splint 18 drive filter plate 20 upward movement, the woollen shakes in the top of filter plate 20 afterwards, make the aggregate that the diameter value is suitable fall down downwards, conveniently sieve the aggregate, reduce simultaneously and hurt to top screening frame 1 and below screening frame 2, increase the life of below screening frame 2 and top screening frame 1, the top fixedly connected with gas-supply pipe 7 of air nozzle 6, the left and right wall fixed mounting of top screening frame 1 and below screening frame 2 has second backup pad 16, the top fixedly connected with supporting spring 17 of second backup pad 16, the top fixedly connected with splint 18 of supporting spring 17 overlaps and is equipped with, the inboard movable filter plate 20 of two splint 18, filter plate 20 movable sleeve is in the inside of fixed slot 19, through the setting of second backup pad 16 and supporting spring 17 and splint 18, conveniently carry out the activity from top to bottom with filter plate 20, make filter plate 20 have better elasticity, cooperation gas-supply pipe 7 and air nozzle 6 conveniently carry out vibration screening to the raw materials of filter plate 20 top, have improved the in-service use effect of device.
Referring to fig. 4 to 5, a material changing frame 11 is fixedly arranged at the rear side of an upper screening frame 1 and a lower screening frame 2, a fixing plate 12 is movably sleeved in an inner cavity of the material changing frame 11, the upper side of the fixing plate 12 is attached to the inner sides of two fixing blocks 15, the material changing frame 11 is parallel to a filter plate 20 in front and at the back, after the filter plate is used for a period of time, the fixing blocks 15 are pushed upwards and downwards, so that the fixing blocks 15 push the fixing springs 14 upwards and downwards, then the fixing plate 12 is pulled out outwards, then the filter plate 20 is pulled out for replacing the new filter plate 20, the filter plate 20 is conveniently pulled out from the inner cavity of a clamping plate 18 through the arrangement of the material changing frame 11 and the fixing grooves 19, the fixing grooves 19 are arranged at the inner side of the clamping plate 18, a first supporting plate 13 is fixedly arranged at the front sides of the upper screening frame 1 and the lower screening frame 2, the fixing springs 14 are fixedly connected above the first supporting plate 13, the fixing blocks 15 are fixedly connected above the fixing springs 14, the setting of fixed block 15 plays the effect of fixed plate 12, and the rear side that conveniently processes top screening frame 1 and below screening frame 2 through fixed plate 12 when using is closed, prevents that filter plate 20 from the activity appearing in vibrations process and leading to the outside dropping of filter plate 20, influences the normal use of device, influences the result of use of device.
Referring to fig. 6, an air blocking sleeve 21 is fixedly sleeved on the front side of a dust collection box 3, an air blocking plate 22 is fixedly sleeved on the inner cavity of the air blocking sleeve 21, a blocking spring 23 is fixedly connected on the rear side of the air blocking plate 22, a blocking plate 24 is fixedly connected on the rear side of the blocking spring 23, a blocking ring 25 is fixedly sleeved on the inner cavity of the air blocking sleeve 21, the inner cavities of the upper screening frame 1, the lower screening frame 2 and the dust collection box 3 can be sealed by the arrangement of the blocking spring 23, the blocking plate 24, the air blocking plate 22 and the blocking ring 25 in the use process, the inner cavity air pressure of the upper screening frame 1, the lower screening frame 2 and the dust collection box 3 is prevented from being reduced to influence the dust fall effect, the inner cavity air pressure of the upper screening frame 1, the lower screening frame 2 and the dust collection box 3 is increased by an air pipe 7, the air pressure can extrude the dust in the inner cavities of the upper screening frame 1, the lower screening frame 2 and the dust collection box 3 downwards, so that the dust falls into the water in the inner cavity of the dust collection box 3, a pushing sleeve 26 is movably sleeved outside the air blocking sleeve 21, a third supporting plate 27 is fixedly sleeved in an inner cavity of the pushing sleeve 26, a supporting rod 28 is fixedly connected to the front side of the third supporting plate 27, a bearing 29 is fixedly sleeved outside the front end of the supporting rod 28, a pushing sleeve 30 is fixedly sleeved outside the bearing 29, the pushing sleeve 26 is rotated to enable the pushing sleeve 26 to rotate on the outer barrel thread of the air blocking sleeve 21, the pushing sleeve 26 pushes the third supporting plate 27 to move rightwards, the third supporting plate 27 drives the supporting rod 28 to push rightwards, the supporting rod 28 pushes the pushing sleeve 30 to move rightwards, the pushing sleeve 30 is convenient to move rightwards, the device is convenient to deflate, the movable block 9 is prevented from being difficult to move under the action of air pressure, the rear part of the blocking plate 24 is attached to the front part of the blocking ring 25, the diameter value of the blocking plate 24 is larger than the inner diameter value of the blocking ring 25, the pushing sleeve 30 extrudes the blocking plate 24 rightwards, the blocking plate 24 compresses the blocking spring 23, the gap is exposed between the plugging plate 24 and the plugging ring 25, so that the gas in the inner cavities of the upper screening frame 1, the lower screening frame 2 and the dust collection box 3 is discharged through the plugging plate 24 and the plugging ring 25, then the movable block 9 is drawn out from the inner cavities of the material limiting plate 8 and the material limiting block 10, the push sleeve 30 can be prevented from rotating in the pushing process through the arrangement of the bearing 29, the normal use of the plugging spring 23 is influenced, the outer part of the gas blocking sleeve 21 and the inner side of the push sleeve 26 are provided with mutually adaptive threads, the push sleeve 30 and the plugging plate 24 are parallel to each other in the front and back direction, the diameter value of the push sleeve 30 is smaller than the inner diameter value of the plugging ring 25, the push sleeve 26 is arranged, the push sleeve 26 is convenient to drive the push sleeve 30 to move rightwards when in use, meanwhile, the diameter value of the plugging ring 25 is larger than the diameter value of the push sleeve 30, and the plugging plate 24 is convenient to move rightwards through the push sleeve 30 when in use.
In summary, when the aggregate screening device for concrete production is used, firstly, the movable block 9 is inserted between the material limiting block 10 and the material limiting plate 8, then, the wool is put downwards from the upper part of the upper screening frame 1, then, the wool falls to the upper part of the filter plate 20, then, the top end is closed, the outer side of the air pipe 7 is controlled to be connected with the air pump, then, air is injected into the inner cavity of the air pipe 7, the air in the inner cavity of the air pipe 7 is downwards injected through the air nozzle 6, the air pushes the clamping plate 18 downwards to enable the clamping plate 18 to drive the filter plate 20 to move downwards, then, the filter plate 20 is upwards reset under the action of the supporting spring 17 to enable the clamping plate 18 to drive the filter plate 20 to move upwards, then, the wool vibrates above the filter plate 20 to enable the aggregate with a proper diameter value to fall downwards, the stones with a large diameter value are left above the aggregate 20 and then fall downwards, falling to the upper part of the lower filter plate 20, controlling the air pipe 7 to spray downwards, enabling the air nozzle 6 and the support spring 17 to control the lower filter plate 20 to vibrate up and down to inject water into the inner cavity of the dust collection box 3, then increasing the air pressure of the inner cavities of the upper screening frame 1, the lower screening frame 2 and the dust collection box 3 through the air pipe 7, enabling the air pressure to extrude the dust in the inner cavities of the upper screening frame 1, the lower screening frame 2 and the dust collection box 3 downwards, enabling the dust to fall into the water in the inner cavity of the dust collection box 3, then rotating the push sleeve 26, enabling the push sleeve 26 to rotate on the outer barrel thread of the air blocking sleeve 21, enabling the push sleeve 26 to push the third support plate 27 to move rightwards, enabling the third support plate 27 to drive the support rod 28 to push the push sleeve 30 to move rightwards, enabling the push sleeve 30 to extrude the blocking plate 24 rightwards, enabling the blocking plate 24 to compress the blocking spring 23, and enabling a gap between the blocking plate 24 and the blocking ring 25 to be exposed, and (3) discharging gas in the inner cavities of the upper screening frame 1, the lower screening frame 2 and the dust collection box 3 through the blocking plate 24 and the blocking ring 25, then drawing the movable block 9 out of the inner cavities of the material limiting plate 8 and the material limiting block 10 to enable aggregate above the filtering plate 20 to fall out, after the filtering plate is used for a period of time, pushing the fixed block 15 upwards and downwards to enable the fixed block 15 to push the fixed spring 14 upwards and downwards, then drawing the fixed plate 12 outwards, and then drawing the filtering plate 20 out to replace the filtering plate 20.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides an aggregate sieving mechanism for production based on concrete, includes top screening frame (1), its characterized in that: the dust collection box is characterized in that a lower screening frame (2) is fixedly arranged below the upper screening frame (1), a dust collection box (3) is fixedly arranged below the lower screening frame (2), supporting blocks (5) are fixedly arranged on the left wall and the right wall of the upper screening frame (1) and the lower screening frame (2), an air nozzle (6) is fixedly sleeved in an inner cavity of each supporting block (5), an air delivery pipe (7) is fixedly connected above the air nozzle (6), a second supporting plate (16) is fixedly arranged on the left wall and the right wall of the upper screening frame (1) and the lower screening frame (2), a supporting spring (17) is fixedly connected above the second supporting plate (16), a clamping plate (18) is fixedly connected at the top end of the supporting spring (17), a filter plate (20) is movably sleeved on the inner sides of the two clamping plates (18), and the air nozzle (6) is positioned above the clamping plate (18), the inner side of the clamping plate (18) is provided with a fixing groove (19), and the filter plate (20) is movably sleeved inside the fixing groove (19).
2. The aggregate screening device for concrete production based on claim 1, characterized in that: top screening frame (1) and below screening frame (2) rear side are fixed has seted up reloading frame (11), the inner chamber movable sleeve of reloading frame (11) is equipped with fixed plate (12), the front side fixed mounting of top screening frame (1) and below screening frame (2) has first backup pad (13), the top fixedly connected with fixed spring (14) of first backup pad (13), the top fixedly connected with fixed block (15) of fixed spring (14).
3. The aggregate screening device for concrete production based on claim 1, characterized in that: the fixed cover of front side of dust collection box (3) is equipped with stifled gas cover (21), the fixed cover of inner chamber of stifled gas cover (21) is equipped with stifled gas board (22), the rear side fixedly connected with shutoff spring (23) of stifled gas board (22), the rear end fixedly connected with shutoff board (24) of shutoff spring (23), the inner chamber fixed cover of stifled gas cover (21) is equipped with shutoff ring (25).
4. The aggregate screening device for concrete production according to claim 3, wherein the aggregate screening device comprises: the outer side movable sleeve of stifled gas cover (21) is equipped with and promotes cover (26), the fixed cover in inner chamber of promoting cover (26) is equipped with third backup pad (27), the front side fixedly connected with bracing piece (28) of third backup pad (27), the fixed cover in front end outside of bracing piece (28) is equipped with bearing (29), the fixed cover in outside of bearing (29) is equipped with and pushes away cover (30).
5. The aggregate screening device for concrete production based on claim 1, characterized in that: the left side of top screening frame (1) and the right side fixed mounting of below screening frame (2) limit flitch (8) and limit block (10), the inboard movable sleeve of limit flitch (8) and limit block (10) is equipped with movable block (9), top the right side height value of filter plate (20) is greater than the left side height value, the below the height value in filter plate (20) left side is greater than the right side height value.
6. The aggregate screening device for concrete production based on claim 2, characterized in that: the upper part of the fixing plate (12) is attached to the inner sides of the two fixing blocks (15), and the material changing frame (11) is parallel to the filter plate (20) in the front-back direction.
7. The aggregate screening device for concrete production based on claim 3, characterized in that: the back of shutoff board (24) is laminated with the preceding of shutoff ring (25), the diameter value of shutoff board (24) is greater than the internal diameter value of shutoff ring (25).
8. The aggregate screening device for concrete production according to claim 4, wherein the aggregate screening device comprises: the outer portion of the gas blocking sleeve (21) and the inner side of the pushing sleeve (26) are provided with mutually matched threads, the pushing sleeve (30) and the blocking plate (24) are parallel to each other in the front-back direction, and the diameter value of the pushing sleeve (30) is smaller than the inner diameter value of the blocking ring (25).
CN202111284509.XA 2021-11-01 2021-11-01 Aggregate screening device for concrete production Active CN113798179B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111284509.XA CN113798179B (en) 2021-11-01 2021-11-01 Aggregate screening device for concrete production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111284509.XA CN113798179B (en) 2021-11-01 2021-11-01 Aggregate screening device for concrete production

Publications (2)

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CN113798179A CN113798179A (en) 2021-12-17
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4272366A (en) * 1979-08-16 1981-06-09 Fmc Corporation Heavy duty two mass vibratory machine
US4505812A (en) * 1983-03-30 1985-03-19 Ilecard Pty. Limited Sieve screen deck
CN104646282A (en) * 2015-02-13 2015-05-27 刘越浪 Device for compressing screen mesh pneumatically
CN106513305A (en) * 2016-10-27 2017-03-22 安徽徽名山农业股份有限公司 Vertical reciprocating reverse-vibrating type hog bristle screening machine
CN213644819U (en) * 2020-11-18 2021-07-09 珠海市振业混凝土有限公司 Concrete aggregate conveying device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4272366A (en) * 1979-08-16 1981-06-09 Fmc Corporation Heavy duty two mass vibratory machine
US4505812A (en) * 1983-03-30 1985-03-19 Ilecard Pty. Limited Sieve screen deck
CN104646282A (en) * 2015-02-13 2015-05-27 刘越浪 Device for compressing screen mesh pneumatically
CN106513305A (en) * 2016-10-27 2017-03-22 安徽徽名山农业股份有限公司 Vertical reciprocating reverse-vibrating type hog bristle screening machine
CN213644819U (en) * 2020-11-18 2021-07-09 珠海市振业混凝土有限公司 Concrete aggregate conveying device

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Address after: Xitou Village, Lushan, Qingtuo Town, Yinan County, Linyi City, Shandong Province, 276300

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