CN108043723B - Circulating sand screening device for building engineering - Google Patents
Circulating sand screening device for building engineering Download PDFInfo
- Publication number
- CN108043723B CN108043723B CN201810057181.XA CN201810057181A CN108043723B CN 108043723 B CN108043723 B CN 108043723B CN 201810057181 A CN201810057181 A CN 201810057181A CN 108043723 B CN108043723 B CN 108043723B
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- Prior art keywords
- chamber
- screening
- cavity
- stirring
- sand
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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
- B07B1/34—Moving 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
- B01F35/71705—Feed mechanisms characterised by the means for feeding the components to the mixer using belts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/75—Discharge mechanisms
-
- 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
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- 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
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a circulating sand screening device for constructional engineering, which comprises a stirring cavity, a screening cavity, a conveyor belt and a circulating mechanism, wherein the stirring cavity is provided with a stirring rod; the upper end of the stirring cavity is also provided with a motor; a hinged plate is hinged to the inner side wall of the screening cavity, a groove is formed in the inner side of the hinged plate, a first spring is arranged in the groove, and the left end of the first spring is fixedly connected with the screen plate; the left end in screening chamber is provided with collects the chamber, collects the left end in chamber and is provided with circulation mechanism. The sand screening device is novel in design, the screening plate moves up and down under the action of the eccentric wheel to screen sand, when the screening plate reaches the highest end, impurities and part of sand on the screening plate enter the collecting cavity through the through holes, the sand entering the collecting cavity enters the circulating mechanism through the filter screen, and then the sand is stirred in the cavity through the conveying belt of the circulating mechanism, so that the impurities are effectively stored separately, the processing is convenient, the frequency of secondary sand screening is reduced, and the sand screening efficiency is improved.
Description
Technical Field
The invention relates to the field of construction machinery, in particular to a circulating sand screening device for construction engineering.
Background
The building engineering refers to an engineering entity formed by the construction of various building constructions and their auxiliary facilities and the installation of lines, pipelines and equipment matched with them. The house building is characterized by comprising a top cover, a beam column, a wall, a foundation and a project which can form an internal space and meet the requirements of people on production, living, study and public activities.
The sand is an essential basic raw material in the field of construction, various impurities such as broken stones, garbage and the like exist in the sand, sand grains in the sand are also classified into different grades, the purposes are different, and the required sand is different in grain size grade. Therefore, the sand needs to be screened before it can be used. The sand inside the sand pile is easy to agglomerate due to the existence of high humidity or rainwater after raining, the existing sand screening equipment does not have a stirring function generally, the sand screening efficiency is reduced, a screen mesh is fixed in the screening process, the sand screening efficiency is low, the labor intensity of workers is increased, and the working efficiency is reduced.
Disclosure of Invention
The invention aims to provide a circulating sand screening device for constructional engineering, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a circulating sand screening device for constructional engineering comprises a stirring cavity, a screening cavity, a conveyor belt and a circulating mechanism; the upper end of the stirring cavity is also provided with a motor, the output end of the motor is fixedly connected with a first rotating shaft, and the first rotating shaft penetrates through the stirring cavity and extends into the screening cavity; a hinged plate is hinged to the inner side wall of the screening chamber, a groove is formed in the inner side of the hinged plate, a first spring is arranged in the groove, the left end of the first spring is fixedly connected with the screen plate, the right end of the screen plate extends into the groove formed in the hinged plate and is in sliding connection with the groove, the left end of the screen plate is hinged to a sliding block, the sliding block is in sliding connection with the sliding groove, and the sliding groove is formed in the side wall of the screening chamber; the left end of the screening cavity is provided with a collecting cavity, the collecting cavity is communicated with the screening cavity through a through hole, a baffle is hinged to the inner side of the collecting cavity, the lower end of the baffle is connected with the sliding block through a steel wire rope, and the lower end of the baffle is connected with the side wall of the collecting cavity through a second spring; and a circulating mechanism is arranged at the left end of the collecting cavity.
As a further scheme of the invention: the upper end of the stirring cavity is provided with a feed hopper.
As a still further scheme of the invention: be located symmetry is installed multiunit stirring rod on the first rotation axis of stirring intracavity, is located still fixed mounting has the fly leaf on the first rotation axis of stirring intracavity, and the fly leaf rotates with the lateral wall in stirring chamber to be connected, and the fly leaf below is provided with the fixed plate, the lateral wall fixed connection in fixed plate and stirring chamber.
As a still further scheme of the invention: and blanking holes are formed in the eccentric positions of the movable plate and the fixed plate.
As a still further scheme of the invention: the lower end of the sliding block is fixedly connected with a supporting rod, the lower end of the supporting rod is rotatably connected to an eccentric wheel, and the eccentric wheel is fixedly connected with a second rotating shaft.
As a still further scheme of the invention: the right-hand member of second rotation axis runs through the lateral wall in screening chamber and with bevel gear B fixed connection, bevel gear B meshes with bevel gear A of fixed mounting at the dwang lower extreme, the upper end of dwang is passed through the belt and is connected with first rotation axis dwang.
As a still further scheme of the invention: the screening intracavity side lower extreme is provided with the conveyer belt, and the left end of conveyer belt is provided with the discharge gate.
As a still further scheme of the invention: circulating mechanism includes feed back pipe, promotion chamber, helical blade and third rotation axis, promotes the chamber and passes through screen cloth and collection chamber intercommunication, promotes the chamber and passes through feed back pipe and stirring chamber intercommunication, and third rotation axis lower extreme rotates to be connected in the inboard bottom that promotes the chamber, and the upper end of third rotation axis runs through the upper end that promotes the chamber and is connected with first rotation axis rotation through the belt, is located fixed mounting has helical blade on the third rotation axis of promotion intracavity.
Compared with the prior art, the invention has the beneficial effects that:
1. the motor drives the stirring rod to rotate through the rotating shaft, the stirring rod stirs sand in the stirring cavity, and the influence of sand caking on blanking is prevented, so that the working efficiency is improved;
2. the movable plate and the fixed plate are matched with each other to realize intermittent blanking of sand, so that excessive sand can be effectively prevented from falling into the screening cavity at the same time to influence the screening efficiency;
3. the sieve reciprocates under the effect of eccentric wheel and screens the sand, and when the sieve reachd the highest point, impurity on the sieve and partial sand got into through the through-hole and collect the intracavity, get into to collect the sand of intracavity and pass through in the filter screen entering circulation mechanism, rethread circulation mechanism conveyer belt stirring intracavity to effectual separately depositing impurity, convenient processing has reduced the number of times that the secondary sieved sand simultaneously, and then has improved sieve husky efficiency, has reduced intensity of labour.
Drawings
Fig. 1 is a schematic structural diagram of a circulating sand screening device for construction engineering.
Fig. 2 is a top view of a movable plate in the circulating sand screening apparatus for construction engineering.
Fig. 3 is an enlarged view of a structure at a point a in the circulating sand screening apparatus for construction work.
In the figure: 1-stirring cavity, 2-feeding hopper, 3-motor, 4-first rotating shaft, 5-stirring rod, 6-movable plate, 7-fixed plate, 8-rotating rod, 9-bevel gear A, 10-bevel gear B, 11-screening cavity, 12-second rotating shaft, 13-conveyor belt, 14-discharge hole, 15-eccentric wheel, 16-material return pipe, 17-lifting cavity, 18-helical blade, 19-third rotating shaft, 20-collecting cavity, 21-blanking hole, 22-hinged plate, 23-first spring, 24-sieve plate, 25-supporting rod, 26-slide block, 27-sliding groove, 28-steel wire rope, 29-baffle, 30-second spring and 31-through hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a circulating sand sieving device for construction engineering comprises a stirring chamber 1, a sieving chamber 11, a conveyor belt 13 and a circulating mechanism; the sand screening device is characterized in that a feed hopper 2 is arranged at the upper end of the stirring cavity 1, sand is placed into the stirring cavity 1 through the feed hopper 2, a motor 3 is further arranged at the upper end of the stirring cavity 1, the output end of the motor 3 is fixedly connected with a first rotating shaft 4, the first rotating shaft 4 penetrates through the stirring cavity 1 and extends into the screening cavity 11, a plurality of groups of stirring rods 5 are symmetrically arranged on the first rotating shaft 4 in the stirring cavity 1, the motor 3 drives the stirring rods 5 to rotate through the first rotating shaft 4, the stirring rods 5 stir the sand in the stirring cavity 1 to prevent the sand from caking to influence the blanking, a movable plate 6 is further fixedly arranged on the first rotating shaft 4 in the stirring cavity 1, the movable plate 6 is rotatably connected with the side wall of the stirring cavity 1, a fixed plate 7 is arranged below the movable plate 6, the fixed plate 7 is fixedly connected with the side wall of the stirring cavity 1, blanking holes 21 are respectively arranged at the eccentric positions of the movable, when first rotation axis 4 drives fly leaf 6 and rotates, when blanking hole 21 that sets up on fly leaf 6 and the blanking hole 21 that sets up on fixed plate 7 coincide, the sand in the stirring chamber 1 passes through blanking hole 21 and gets into screening chamber 11, and when blanking hole 21 that sets up on fly leaf 6 staggers with the blanking hole 21 that sets up on fixed plate 7, the unloading is stopped to realize the effect of intermittent type unloading, can prevent effectively that too much sand from falling simultaneously and screening chamber 11 is interior, influence screening efficiency.
A hinged plate 22 is hinged on the inner side wall of the screening chamber 11, a groove is arranged on the inner side of the hinged plate 22, a first spring 23 is arranged in the groove, the left end of the first spring 23 is fixedly connected with a screen plate 24, the right end of the screen plate 24 extends into the groove arranged on the hinged plate 22 and is in sliding connection with the groove, the left end of the screen plate 24 is hinged on a sliding block 26, the sliding block 26 is in sliding connection with a sliding groove 27 which is arranged on the side wall of the screening chamber 11, the sliding block 26 drives the screen plate 24 to move up and down when moving up and down, so as to improve the screening efficiency of the screen plate 24, a supporting rod 25 is fixedly connected with the lower end of the sliding block 26, the lower end of the supporting rod 25 is rotatably connected with an eccentric wheel 15, the eccentric wheel 15 is fixedly connected with a second rotating shaft 12, the second rotating shaft 12 drives the sliding block 26 to move up and down through the actions of the eccentric wheel 15 and, the bevel gear B10 is engaged with a bevel gear A9 fixedly installed at the lower end of the rotating rod 8, and the upper end of the rotating rod 8 is rotatably connected with the first rotating shaft 4 through a belt; the lower extreme of screening chamber 11 inboard is provided with conveyer belt 13, and the left end of conveyer belt 13 is provided with discharge gate 14.
The left end of the screening cavity 11 is provided with a collecting cavity 20, the collecting cavity 20 is communicated with the screening cavity 11 through a through hole 31, the inner side of the collecting cavity 20 is hinged with a baffle 29, the lower end of the baffle 29 is connected with a sliding block 26 through a steel wire rope 28, the sliding block 26 drives the baffle 29 to rotate through the steel wire rope 28 when moving downwards, so that substances on the baffle 29 enter the bottom of the collecting cavity 20, the lower end of the baffle 29 is connected with the side wall of the collecting cavity 20 through a second spring 30, and the second spring 30 plays a role in resetting; the left end of collecting chamber 20 is provided with circulation mechanism, circulation mechanism includes feed back pipe 16, promotes chamber 17, helical blade 18 and third rotation axis 19, promotes chamber 17 and passes through screen cloth and collects chamber 20 intercommunication, promotes chamber 17 and passes through feed back pipe 16 and stir chamber 1 intercommunication, and third rotation axis 19 lower extreme rotates to be connected in the inboard bottom of promoting chamber 17, and the upper end of third rotation axis 19 runs through the upper end that promotes chamber 17 and rotate through belt and first rotation axis 4 and be connected, is located fixed mounting has helical blade 18 on the third rotation axis 19 in promoting chamber 17, promotes chamber 17 and carries the sand that falls out again in stirring chamber 1.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (1)
1. A circulating sand screening device for constructional engineering comprises a stirring cavity (1), a screening cavity (11), a conveyor belt (13) and a circulating mechanism; the device is characterized in that a motor (3) is further arranged at the upper end of the stirring cavity (1), the output end of the motor (3) is fixedly connected with a first rotating shaft (4), and the first rotating shaft (4) penetrates through the stirring cavity (1) and extends into the screening cavity (11); a hinged plate (22) is hinged to the inner side wall of the screening chamber (11), a groove is formed in the inner side of the hinged plate (22), a first spring (23) is arranged in the groove, the left end of the first spring (23) is fixedly connected with the screen plate (24), the right end of the screen plate (24) extends into the groove formed in the hinged plate (22) and is in sliding connection with the groove, the left end of the screen plate (24) is hinged to a sliding block (26), the sliding block (26) is in sliding connection with a sliding groove (27), and the sliding groove is formed in the side wall of the screening chamber (11); a collecting cavity (20) is arranged at the left end of the screening cavity (11), the collecting cavity (20) is communicated with the screening cavity (11) through a through hole (31), a baffle (29) is hinged to the inner side of the collecting cavity (20), the lower end of the baffle (29) is connected with a sliding block (26) through a steel wire rope (28), and the lower end of the baffle (29) is connected with the side wall of the collecting cavity (20) through a second spring (30); the left end of collecting chamber (20) is provided with circulation mechanism, stirring chamber (1) upper end is provided with feeder hopper (2), be located symmetrical installation has multiunit stirring rod (5) on first rotation axis (4) in stirring chamber (1), be located still fixed mounting has fly leaf (6) on first rotation axis (4) in stirring chamber (1), fly leaf (6) are connected with the lateral wall rotation of stirring chamber (1), fly leaf (6) below is provided with fixed plate (7), fixed plate (7) and the lateral wall fixed connection of stirring chamber (1), the eccentric position department of fly leaf (6) and fixed plate (7) all is provided with blanking hole (21), the lower extreme fixedly connected with bracing piece (25) of slider (26), the lower extreme of bracing piece (25) rotates and connects on eccentric wheel (15), eccentric wheel (15) and second rotation axis (12) fixed connection, the right-hand member of second rotation axis (12) runs through the lateral wall of screening chamber (11) and with bevel gear B (10) fixed connection, bevel gear B (10) and bevel gear A (9) the meshing of fixed mounting at dwang (8) lower extreme, the upper end of dwang (8) is passed through the belt and is connected with first rotation axis (4) dwang, screening chamber (11) inboard lower extreme is provided with conveyer belt (13), and the left end of conveyer belt (13) is provided with discharge gate (14), circulation mechanism includes feed back pipe (16), promotes chamber (17), helical blade (18) and third rotation axis (19), promotes chamber (17) and passes through the screen cloth and collects chamber (20) intercommunication, promotes chamber (17) and passes through feed back pipe (16) and stirring chamber (1) intercommunication, and third rotation axis (19) lower extreme rotates and connects in the inboard bottom of promoting chamber (17), and the upper end of third rotation axis (19) runs through the upper end of promoting chamber (17) and rotates with first rotation axis (4) through the belt and rotate And a helical blade (18) is fixedly arranged on a third rotating shaft (19) positioned in the lifting cavity (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810057181.XA CN108043723B (en) | 2018-01-22 | 2018-01-22 | Circulating sand screening device for building engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810057181.XA CN108043723B (en) | 2018-01-22 | 2018-01-22 | Circulating sand screening device for building engineering |
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| Publication Number | Publication Date |
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| CN108043723A CN108043723A (en) | 2018-05-18 |
| CN108043723B true CN108043723B (en) | 2020-08-28 |
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| CN201810057181.XA Active CN108043723B (en) | 2018-01-22 | 2018-01-22 | Circulating sand screening device for building engineering |
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2018
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