CN113244984A

CN113244984A - Screening equipment for building sand

Info

Publication number: CN113244984A
Application number: CN202110530823.5A
Authority: CN
Inventors: 程子华
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-15
Filing date: 2021-05-15
Publication date: 2021-08-13

Abstract

The invention relates to the technical field of building equipment and discloses screening equipment for building sand, which comprises a base, wherein a screening outer cavity is arranged at the top of the base, a motor is arranged at a central shaft at the top of the screening outer cavity, a feeding hopper is arranged beside the motor and communicated with the screening outer cavity, a discharging hole is arranged at a central shaft at one end of the base, which is far away from the screening outer cavity, and is communicated with the screening outer cavity, and supporting legs are fixedly arranged at four corners of one end of the base, which is far away from the screening outer cavity. This divide sieve equipment that building sand was used, through the special design to the device, when the stirring board rotated, can release the stirring board under the effect of centrifugal force, can rub with the inner wall of branch sieve inner chamber production when the stirring board, the frictional production can produce a power of kneading to this can rub the sand, thereby reached the purpose of breaking up the sand of caking.

Description

Screening equipment for building sand

Technical Field

The invention relates to the technical field of building equipment, in particular to screening equipment for building sand.

Background

Sand is composed of minerals and tiny fragments of rock. The rock fragments are formed by erosion and weathering of rocks, the components of sand are different according to places, the concrete condition is determined according to the sources and conditions of the local rocks, the natural sand is divided into river sand, sea sand and mountain sand, the thickness of the sand is divided into 4 grades according to the fineness modulus, the medium sand is the sand for common concrete with the threading modulus of 3.0-2.3 mm, and the average grain diameter of 0.5-0.35 mm is preferably the medium sand.

In the building construction process, sand generally needs to be screened for obtaining sand with a proper particle size, but most of sand piles on a building site are placed outdoors, so that the sand is easily condensed into blocks after heavy rain, and the condition of incomplete screening is easily caused when the building screening machine screens the sand, so that the utilization rate of the sand is reduced.

Disclosure of Invention

The invention aims to provide screening equipment for construction sand, which solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the screening device for the building sand comprises a base, wherein a screening outer cavity is arranged at the top of the base, a motor is arranged at the middle shaft of the top of the screening outer cavity, a feeding hopper is arranged beside the motor and communicated with the screening outer cavity, a discharging hole is formed in the middle shaft of one end, far away from the screening outer cavity, of the base, and supporting legs are fixedly arranged at four corners of one end, far away from the screening outer cavity, of the base.

In order to break agglomerated sand and facilitate sand screening, preferably, a screening inner cavity is arranged inside the screening outer cavity, a plurality of screening holes are formed in the screening inner cavity, and a multi-stage vibrating screening mechanism is arranged between the screening inner cavity and the screening outer cavity, so that agglomerated sand is broken up by using vibrating elasticity and is more easily formed into fine sand.

In order to realize multistage vibrations to the sand and smash the sand of caking, preferably, multistage vibrations are divided sieve mechanism and are included vibrations piece, vibrations branch sieve, a plurality of vibrations piece fixed mounting respectively on the outer wall of branch sieve inner chamber and divide the inner wall of sieve outer chamber, a plurality of vibrations piece is crisscross setting, a plurality of respectively vibrations divide the both ends of sieve respectively with divide the vibrations piece on the outer chamber inner wall of sieve and divide the vibrations piece fixed connection on the outer wall of sieve inner chamber, thereby the purpose that sets up like this is for no matter the sand comes out from that part of branch sieve inner chamber and all can form multistage vibrations on the vibrations piece and smash the sand of caking.

In order to strengthen the intensity of smashing sand, it is preferred, the output fixedly connected with pivot of motor, the one end that the motor was kept away from in the pivot runs through the branch sieve inner chamber and extends to inside, the one end fixed mounting who keeps away from the motor in the branch sieve inner chamber has the elasticity arc area, the purpose that sets up like this is for the convenience of utilizing elasticity to smash the processing to sand.

In order to accelerate the screening efficiency of sand, it is preferred that a circle of stirring board has been arrayed to a week of the extension of pivot, the one end that the pivot was kept away from to the stirring board articulates there are a plurality of awl, a plurality of be provided with the elastic extrusion mechanism between the surface of awl's surface and the surface of stirring board, the purpose that sets up like this is for the convenience to smash the branch sieve to the sand.

In order to strengthen the efficiency of smashing sand, it is preferred that the elasticity extrusion mechanism includes elasticity wave plate, broken thorn, the both ends of elasticity wave plate respectively with the surface of awl thorn and the surface fixed connection of stirring board, elasticity wave plate slope sets up, a plurality of broken thorn fixed mounting is on elasticity wave plate, thereby the purpose that sets up like this is smashed in order to roll the sand that makes the caking to the sand.

In order to realize the support of the stirring plate to the inner cavity of the split sieve, preferably, one end of the stirring plate, which is far away from the stabbing, penetrates through the rotating shaft and extends to the inside, the extending part of the stirring plate is fixedly connected with the inner cavity of the rotating shaft through a spring, and the stirring plate can move in the purpose of being arranged like this.

Compared with the prior art, the invention has the beneficial effects that:

(1) this divide sieve equipment that building sand was used, through the special design to the device, when the stirring board rotated, can release the stirring board under the effect of centrifugal force, can rub with the inner wall of branch sieve inner chamber production when the stirring board, the frictional production can produce a power of kneading to this can rub the sand, thereby reached the purpose of breaking up the sand of caking.

(2) This divide sieve equipment that building sand was used, when the stirring board rotated, the awl thorn on the stirring board can take place to rotate on dividing the sieve mesh to make the awl thorn can stretch into and divide inside the sieve mesh, prevented to divide to leave over on the sieve mesh that moist sand blocks up and divides the sieve mesh, influenced the branch sieve effect to the sand.

(3) This screening equipment that building sand was used can extrude elastic wave board when the awl thorn takes place to rotate, receives extruded effect to take place to fold when elastic wave board, can have an extruded effect to the sand after elastic wave board takes place to fold, thereby can make the sand of caking broken under extruded effect to this crushing effect to the sand has been strengthened.

(4) This screening equipment that building sand was used, through the special design to the elastic wave board, when elastic wave board extrusion sand, the broken thorn of higher authority can puncture the sand of caking to make the easier breakage of the sand of caking, with this reinforcing to the crushing effect of sand.

(5) This screening equipment that building sand was used, because the elastic wave board has elasticity, can have an elastic effect when the elastic wave board is folding with the in-process that resumes to can flick the sand on the elastic wave board, with this can strengthen the screening crushing effect of device to the sand.

(6) This building sand is used divides sieve equipment, after sand passes through the dispersion hole, can fall and divide the sieve inner chamber and divide between the sieve exocoel, divides the deformation effect of sieve inner chamber in the cooperation, can make vibrations divide the sieve board to take place vibrations, and sand can divide the sieve board with vibrations and take place the striking to can realize preventing that moist sand is in the caking with this.

(7) This screening equipment that building sand was used, through the special design to multistage vibrations screening mechanism, can realize no matter so that sand is sieved from that part of screening inner chamber, can all be in multistage vibrations screening mechanism continuous striking to the reinforcing is sieved broken effect to sand, has strengthened the practicality of the device with this.

Drawings

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

FIG. 2 is a schematic view of the overall structure inside the screening outer chamber of the present invention;

FIG. 3 is an enlarged view of A of FIG. 2 according to the present invention;

FIG. 4 is a schematic view of the overall structure of the inner cavity of the screening device of the present invention;

FIG. 5 is a schematic view of the overall structure of the interior of the inner chamber of the screening device of the present invention;

FIG. 6 is a schematic view of the overall structure of the stirring plate according to the present invention;

FIG. 7 is a schematic view of the overall structure of the elastic pressing mechanism according to the present invention;

fig. 8 is a sectional view showing the entire structure of the rotary shaft according to the present invention.

In the figure: 1. a base; 2. a screening outer cavity; 3. a motor; 4. feeding into a hopper; 5. a discharge port; 6. supporting legs; 7. screening the inner cavity; 71. dividing sieve pores; 8. a multistage vibrating screening mechanism; 81. a vibration sheet; 82. vibrating the sub-sieve plate; 9. an elastic arcuate band; 10. a stirring plate; 101. e, stabbing; 11. an elastic extrusion mechanism; 111. an elastic wave plate; 112. and (5) crushing the thorns.

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. 1-8, the present invention provides a technical solution: a screening device for construction sand comprises a base 1, the purpose of the setting is to support the whole device, a screening outer cavity 2 is arranged at the top of the base 1, the purpose of the setting is to screen sand, a motor 3 is arranged at the center shaft of the top of the screening outer cavity 2 and is used for providing an external power source, a feeding hopper 4 is arranged beside the motor 3 and is used for feeding the whole device, the feeding hopper 4 is communicated with the screening outer cavity 2 and is used for feeding the device, a discharging port 5 is arranged at the center shaft of one end of the base 1, which is far away from the screening outer cavity 2, the purpose of the setting is to discharge the material, the discharging port 5 is communicated with the screening outer cavity 2 and is used for discharging the material, supporting legs 6 are fixedly arranged at four corners of one end of the base 1, which is far away from the screening outer cavity 2, this is done to facilitate support of the entire device.

Preferably, in this embodiment, in order to smash the sand that agglomerates and be convenient for sieve sand, the inside of branch sieve exocoel 2 is provided with divides sieve inner chamber 7, the purpose that sets up like this is for being convenient for to divide the sieve to smash sand, divide the higher authority of sieve inner chamber 7 to have seted up a plurality of and divide sieve hole 71, the purpose that sets up like this is for being convenient for sand to pass through sieve hole 71, divide and be provided with multistage vibrations between sieve inner chamber 7 and the branch sieve exocoel 2 and divide sieve mechanism 8, the purpose that sets up like this is for further breaing up the sand, prevent the sand agglomeration.

Preferably, in this embodiment, smash the sand of caking in order to realize multistage vibrations to the sand, multistage vibrations are divided sieve mechanism 8 and are included vibrations piece 81, the vibrations divide sieve 82, a plurality of vibrations piece 81 respectively fixed mounting divide on the outer wall of sieve inner chamber 7 and divide the inner wall of sieve outer chamber 2, a plurality of vibrations piece 81 is crisscross the setting respectively, a plurality of vibrations divide the both ends of sieve 82 respectively with divide the vibrations piece 81 on the outer wall of sieve outer chamber 2 and divide the vibrations piece 81 fixed connection on the outer wall of sieve inner chamber 7, thereby the purpose that sets up like this is in order to utilize the expansion of dividing sieve inner chamber 7 to make vibrations piece 81 produce vibrations and smash the sand collision.

Preferably, in this embodiment, in order to enhance the breaking strength of sand, the output end of the motor 3 is fixedly connected with a rotating shaft, one end of the rotating shaft, which is far away from the motor 3, penetrates through the inner cavity 7 of the sieve and extends to the inside, one end of the inner cavity 7 of the sieve, which is far away from the motor 3, is fixedly provided with an elastic arc-shaped belt 9, and the inner cavity 7 of the sieve has elasticity, so that the purpose of the arrangement is to apply a bumping force to sand by using elastic rebound, thereby enhancing the breaking effect on sand.

Preferably, in this embodiment, in order to accelerate the screening efficiency of sand, a circle of stirring plate 10 is arrayed around the extension of the rotating shaft, one end of the stirring plate 10 away from the rotating shaft is hinged with a plurality of conical spines 101, and an elastic pressing mechanism 11 is arranged between the outer surfaces of the plurality of conical spines 101 and the outer surface of the stirring plate 10, so as to enhance the breaking strength of sand.

Preferably, in this embodiment, in order to enhance the sand crushing efficiency, the elastic pressing mechanism 11 includes an elastic wave plate 111 and crushing spines 112, two ends of the elastic wave plate 111 are respectively fixedly connected with the outer surfaces of the conical spines 101 and the outer surface of the stirring plate 10, the elastic wave plate 111 is arranged in an inclined manner, and a plurality of crushing spines 112 are fixedly mounted on the elastic wave plate 111, so as to enhance the sand crushing effect.

Preferably, in this embodiment, in order to realize the support of stirring board 10 to the sub-sieve inner chamber, the one end that the awl 101 was kept away from to a plurality of stirring board 10 runs through the pivot and extends to inside, and the extension of a plurality of stirring board 10 passes through spring fixed connection with the pivot inner chamber, and the purpose that sets up like this is for the convenience of utilizing the revolving force when the pivot rotates to release stirring board 10 to make stirring board 10 support sub-sieve inner chamber 7.

The working principle is as follows:

when the staff need divide the sieve to the sand, the staff can pour the sand into the inside of dividing sieve inner chamber 2 through going into hopper 4, start motor 3, motor 3's start-up can drive the pivot and rotate when the sand enters into the inside of dividing sieve inner chamber 7, can drive stirring board 10 after the pivot rotates and take place to rotate, take place to rotate when stirring board 10 and make awl 101 take place to rotate on dividing sieve hole 71, can give 11 extrusion forces of elastic extrusion mechanism after awl 101 takes place to rotate, elastic wave board 111 can take place to warp under the effect of extrusion force, thereby the sand can receive the extrusion on elastic wave board 111 after elastic wave board 111 takes place to warp, thereby the sand that can make the caking receives the extrusion when the sand smashes.

When the sand passes through the sieve mesh 71, still can enter into vibrations and divide on the sieve 82, can extrude vibrations piece 81 when dividing sieve hole 7 to take place the inflation, the effect that receives the extrusion force when vibrations piece 81 can make vibrations divide sieve 82 to take place vibrations, thereby carry out multistage vibrations to the sand and smash the processing, when the pivot pivoted, stirring board 10 can take place to remove under the effect of centrifugal force, can have an extrusion force effect to sieve inner chamber 7 after stirring board 10 takes place to remove, divide sieve inner chamber 7 to receive the effect of extrusion force and can take place the inflation, the rotation of stirring board 10 can produce the friction with the inner wall that divides sieve inner chamber 7 simultaneously, the friction can have a power of kneading to the sand, thereby the sand that can make the caking can part under the effect of kneading the power.

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

1. The utility model provides a divide sieve equipment that building sand was used, includes base (1), its characterized in that: the screening device is characterized in that a screening outer cavity (2) is arranged at the top of the base (1), a motor (3) is arranged at the middle shaft of the top of the screening outer cavity (2), a feeding hopper (4) is arranged beside the motor (3), the feeding hopper (4) is communicated with the screening outer cavity (2), a discharging port (5) is arranged at the middle shaft of one end, far away from the screening outer cavity (2), of the base (1), the discharging port (5) is communicated with the screening outer cavity (2), and supporting legs (6) are fixedly arranged at four corners of one end, far away from the screening outer cavity (2), of the base (1).

2. The sand screening apparatus of claim 1, wherein: the screening device is characterized in that a screening inner cavity (7) is arranged inside the screening outer cavity (2), a plurality of screening holes (71) are formed in the screening inner cavity (7), and a multi-stage vibrating screening mechanism (8) is arranged between the screening inner cavity (7) and the screening outer cavity (2).

3. The sand screening apparatus of claim 2, wherein: multistage vibrations are divided sieve mechanism (8) and are divided sieve (82) including vibrations piece (81), vibrations, a plurality of vibrations piece (81) fixed mounting respectively on the outer wall of branch sieve inner chamber (7) and on the inner wall of branch sieve exocoel (2), a plurality of vibrations piece (81) is crisscross setting respectively, a plurality of vibrations divide the both ends of sieve (82) respectively with divide vibrations piece (81) on the sieve exocoel (2) inner wall and vibration piece (81) fixed connection on the outer wall of branch sieve inner chamber (7).

4. A screening apparatus for construction sand as claimed in claim 3, wherein: the output fixedly connected with pivot of motor (3), the one end that motor (3) were kept away from in the pivot runs through and divides sieve inner chamber (7) and extend to inside, divide sieve inner chamber (7) to keep away from the one end fixed mounting elasticity arc area (9) of motor (3), divide sieve inner chamber (7) to have elasticity.

5. The sand screening apparatus of claim 4, wherein: a circle of stirring plate (10) is arrayed around the extension part of the rotating shaft, one end, away from the rotating shaft, of the stirring plate (10) is hinged to a plurality of stabs (101), and an elastic extrusion mechanism (11) is arranged between the outer surface of the stabs (101) and the outer surface of the stirring plate (10).

6. The sand screening apparatus of claim 5, wherein: elasticity extrusion mechanism (11) are including elasticity wave board (111), broken thorn (112), the both ends of elasticity wave board (111) respectively with the surface of awl thorn (101) and the surface fixed connection of stirring board (10), elasticity wave board (111) slope sets up, a plurality of broken thorn (112) fixed mounting is on elasticity wave board (111).

7. The sand screening apparatus of claim 6, wherein: the end, far away from the prick (101), of the stirring plate (10) penetrates through the rotating shaft and extends to the inside, and the extending part of the stirring plate (10) is fixedly connected with the inner cavity of the rotating shaft through a spring.