CN113769838A

CN113769838A - Concrete grit separating centrifuge

Info

Publication number: CN113769838A
Application number: CN202111006956.9A
Authority: CN
Inventors: 李岢; 韩保锋; 张华楠
Original assignee: Mianchi Kaiyang Building Materials Co ltd
Current assignee: Mianchi Kaiyang Building Materials Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2021-12-10
Anticipated expiration: 2041-08-30
Also published as: CN113769838B

Abstract

The application relates to the technical field of sand and stone separation equipment, in particular to a concrete sand and stone separator which comprises a barrel body, wherein a feeding hole and a discharging hole are respectively formed in the upper side and the lower side of the barrel body; the screening mechanism comprises a box body and a base which are sequentially arranged from top to bottom, the box body and the barrel body are coaxially arranged, and a plurality of sieve holes through which sand only passes are formed in the outer side wall of the box body; the base is provided with a second motor, and an output shaft of the second motor is connected to the center of the bottom wall outside the box body; the outer bottom wall of the box body is provided with a plurality of through grooves communicated with the interior of the box body, the through grooves are provided with sealing plates used for sealing the through grooves, and the sealing plates are connected to the box body through springs; when the spring is in a natural state, the closing plate is separated from the through groove. This application can improve the cleaning efficiency of waste residue.

Description

Concrete grit separating centrifuge

Technical Field

The application relates to the technical field of sand and stone separating equipment, in particular to a concrete sand and stone separator.

Background

The premixed concrete is a concrete mixture prepared by mixing cement, aggregate, water, an additive, a mineral admixture and the like according to a certain proportion. The premixed concrete can generate waste residues in the production process, the waste residues are doped with sand stones, if the sand stones are not recycled, resources are wasted, and therefore, a factory usually adopts a sand stone separator to separate and recycle the sand stones.

The existing sand-stone separator comprises a barrel body, wherein a feed inlet and a discharge outlet are respectively arranged on the upper side and the lower side of the barrel body, a crushing mechanism is arranged in the barrel body, and a screening mechanism is arranged at the discharge outlet. After concrete waste residue enters the barrel body through the feeding hole, the crushing mechanism is used for crushing the waste residue, the crushed waste residue penetrates through the discharging hole and falls to the screening mechanism, sand penetrates through the screening mechanism and falls downwards, and stones are piled on the screening mechanism.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: after the waste residue screening is completed, workers are required to manually clean the stones accumulated on the screening mechanism, the time required for cleaning the stones is long, the separation efficiency of the waste residue is affected, and therefore improvement is required.

Disclosure of Invention

In order to improve the separation efficiency of waste residue, this application provides a concrete grit separating centrifuge.

The application provides a pair of concrete sand and stone separator adopts following technical scheme: a concrete sand-stone separator comprises a barrel body, wherein a feed inlet and a discharge outlet are respectively arranged on the upper side and the lower side of the barrel body, a crushing mechanism is arranged in the barrel body, a screening mechanism is arranged at the discharge outlet, the crushing mechanism comprises a first motor arranged on the barrel body and a crushing paddle arranged in the barrel body, and an output shaft of the first motor is connected to the crushing paddle;

the screening mechanism comprises a box body and a base which are sequentially arranged from top to bottom, the box body and the barrel body are coaxially arranged, and a plurality of sieve holes through which sand only passes are formed in the outer side wall of the box body; the base is provided with a second motor, and an output shaft of the second motor is connected to the center of the bottom wall outside the box body;

the outer bottom wall of the box body is provided with a plurality of through grooves communicated with the interior of the box body, the through grooves are provided with sealing plates used for sealing the through grooves, and the sealing plates are connected to the box body through springs; when the spring is in a natural state, the closing plate is separated from the through groove.

By adopting the technical scheme, after the concrete waste residue enters the barrel body through the feeding hole, the first motor drives the crushing paddle to rotate, the crushing paddle is used for crushing the waste residue into separated sand and stones, and the sand and the stones fall onto the inner bottom wall of the box body; then the second motor drives the box body to rotate, the closing plate is closed in the through groove under the action of centrifugal force, and the spring is in a stretching state at the moment; the sand and the stones will be butted against the inner side wall of the box body under the action of centrifugal force, the sand will pass through the sieve holes to be separated from the inside of the box body, and the stones will be stacked in the box body, so that the separation of sand and stone is realized.

When the stone in the box body needs to be cleaned, the second motor is closed, the box body stops rotating, the closing plate loses centrifugal force, the spring returns to a natural state and enables the closing plate to slide and break away from the through groove, the stone in the box body drops from the through groove at the moment, the cleaning of the stone is facilitated, and the separation efficiency of waste residues is improved.

Optionally, the crushing paddle is provided with a first brush abutting against the inner side wall of the box body, and the direction in which the first motor drives the barrel body to rotate is opposite to the direction in which the second motor drives the box body to rotate.

By adopting the technical scheme, in the rotating process of the crushing paddle, the crushing paddle drives the first brush to rotationally brush off sand and stones attached to the inner side wall of the box body, so that the sand and stone separation effect is improved, and the sieve pores are not easy to block; when the second motor is closed, the first brush continuously brushes off stones attached to the inner side wall of the box body, so that the stones can be conveniently discharged from the through groove.

Optionally, the crushing paddle is provided with a second brush abutting against the inner bottom wall of the box body.

By adopting the technical scheme, in the rotating process of the crushing paddle, the crushing paddle drives the second brush to rotatably brush off sand and stones attached to the inner bottom wall of the box body, so that the sand and stone separation effect is improved; after the second motor is closed, the second brush continuously brushes stones attached to the inner bottom wall of the box body, so that the stones can be discharged from the through groove conveniently.

Optionally, the inner bottom wall of the box body is conical, the center of the inner bottom wall of the box body protrudes upwards, and the through groove is located at the lower end of the box body.

Through adopting above-mentioned technical scheme, the grit that is located on the box body inner wall will roll downwards because of self gravity and be close to the sieve mesh and lead to the groove to be convenient for the grit is discharged from the sieve mesh, and be convenient for the stone to discharge from leading to the groove.

Optionally, the inner side wall of the box body is arranged obliquely downwards.

By adopting the technical scheme, the contact area of the box body and the gravel is increased, so that more sieve holes can be formed in the box body, and the screening efficiency of the gravel is improved; the grit is under the effect of centrifugal force, will roll upwards on the slope of the inside wall of box body, has avoided the grit to continuously pile up on the interior diapire of box body, has improved the screening efficiency of grit, and rolling grit will be more convenient for pass the sieve mesh.

Optionally, the crushing paddle is provided with a first thorn plate abutting against the inner side wall of the box body and a second thorn plate abutting against the inner bottom wall of the box body, and the direction in which the first motor drives the barrel body to rotate is opposite to the direction in which the second motor drives the box body to rotate.

Through adopting above-mentioned technical scheme, at the rotatory in-process of broken oar, first thorn board will rotate the breakage and pile up on the box body inside wall and bond grit together, and the second thorn board will rotate the breakage and pile up on the box body internal wall and bond grit together for grit further separation.

Optionally, two first collecting boxes arranged in a semi-annular shape are arranged right below the box body, and the two first collecting boxes together form a circular box; two second collecting boxes which are arranged in a semi-ring shape are arranged obliquely below the box body, and a circular box is also enclosed by the two second collecting boxes; the sieve holes are arranged obliquely downwards and face the second collecting box.

By adopting the technical scheme, the sand passing through the sieve holes moves obliquely downwards into the second collecting box, so that the sand is convenient to collect; the stones discharged from the through grooves vertically fall into the first collecting box, so that the stones are convenient to collect.

Optionally, a limiting rod is slidably arranged on the closing plate in a penetrating manner, and the limiting rod is arranged on the outer bottom wall of the box body and extends along the radial direction of the box body.

Through adopting above-mentioned technical scheme, the gag lever post makes the closing plate only can follow the radial slip of box body, has guaranteed that the closing plate can stably seal in logical groove under centrifugal force's the left and right sides to the screening of grit.

To sum up, the application comprises the following beneficial technical effects:

1. the crushing mechanism and the screening mechanism are arranged, the first motor drives the crushing paddle to rotate to crush waste residues, sand and stones generated by crushing the waste residues fall into the box body, the second motor drives the box body to rotate, the closing plate is closed in the through groove, the sand and the stones are abutted against the inner side wall of the box body, the sand penetrates through the sieve holes to be separated from the inside of the box body, and the stones are accumulated in the box body; when the second motor is turned off to stop the box body from rotating, the spring returns to a natural state and urges the closing plate to slide away from the through groove, and stones in the box body fall off from the through groove, so that the stones are convenient to clean, and the separation efficiency of waste residues is improved;

2. the arrangement of the first brush and the second brush ensures that the crushing paddle drives the first brush to rotationally brush off sand and stones attached to the inner side wall of the box body and drives the second brush to rotationally brush off sand and stones attached to the inner bottom wall of the box body in the rotating process of the crushing paddle, the sand and stone separation effect is improved, and sieve holes are not easy to block; when the second motor is turned off, the first brush and the second brush continuously rotate, so that the stones can be conveniently discharged from the through groove;

3. due to the arrangement of the bottom wall, the inner side wall and the sieve holes in the box body, sand and stones on the bottom wall in the box body roll downwards to be close to the sieve holes and the through grooves due to self gravity, so that the sand and the stones are conveniently discharged from the sieve holes and directly fall into the second collecting box, and the stones are conveniently discharged from the through grooves; the sand and stone roll upwards in an inclined way on the inner side wall of the box body under the action of centrifugal force, so that the screening efficiency of the sand and stone is improved, and the rolling sand can more conveniently pass through the sieve holes;

4. the setting of first thorn board and second thorn board, at the rotatory in-process of broken oar, first thorn board will rotate the breakage and pile up on the box body inside wall and bond grit together, and the second thorn board will rotate the breakage and pile up on the box body internal wall and bond grit together for the grit further separates.

Drawings

FIG. 1 is a schematic diagram of the overall structure in the embodiment of the present application;

FIG. 2 is a schematic sectional view of the whole of the embodiment of the present application;

FIG. 3 is a schematic structural view showing a box body and a closing plate in the embodiment of the present application;

fig. 4 is a schematic structural view showing a cartridge in the embodiment of the present application.

Reference numerals: 1. a barrel body; 11. a feed inlet; 12. a discharge port; 2. a crushing mechanism; 21. a first motor; 22. crushing paddles; 23. a connecting rod; 24. a first brush; 25. a second brush; 26. a first stab plate; 27. a second stab plate; 3. a screening mechanism; 31. a box body; 311. screening holes; 312. a through groove; 32. a base; 33. a second motor; 34. a limiting rod; 35. a closing plate; 36. a spring; 4. a first collection box; 5. a second collection box.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses concrete grit separating centrifuge. As shown in figures 1 and 2, the concrete sand-stone separator comprises a barrel body 1, wherein a feeding hole 11 and a discharging hole 12 are respectively formed in the upper side and the lower side of the barrel body 1, a crushing mechanism 2 is arranged in the barrel body 1, and a screening mechanism 3 is arranged at the discharging hole 12.

The crushing mechanism 2 comprises a first motor 21 fixed on the outer top wall of the barrel body 1, an output shaft of the first motor 21 extends in the vertical direction and rotates to penetrate through the center of the top of the barrel body 1, and an output shaft of the first motor 21 extends into the barrel body 1 and is fixedly connected with a crushing paddle 22. After the concrete waste enters the barrel body 1 through the feeding hole 11, the first motor 21 drives the crushing paddle 22 to rotate, and the crushing paddle 22 crushes the waste into separated sand and stones.

The screening mechanism 3 comprises a box body 31 and a base 32 which are sequentially arranged from top to bottom, the box body 31 and the barrel body 1 are coaxially arranged, a box opening of the box body 31 is arranged upwards and corresponds to the discharge opening 12, and a plurality of screen holes 311 only allowing sand to pass through are arranged on the outer side wall of the box body 31; a second motor 33 is fixed on the base 32, and an output shaft of the second motor 33 is connected to the center of the outer bottom wall of the box 31. Separated sand and stones fall into the box body 31, the second motor 33 drives the box body 31 to rotate, the sand and the stones collide against the inner side wall of the box body 31 under the action of centrifugal force, the sand penetrates through the sieve holes 311 to be separated from the interior of the box body 31, and the stones are stacked in the box body 31, so that the separation of sand and stones is realized.

As shown in fig. 2, 3 and 4, a plurality of limiting rods 34 extending along the radial direction of the box body 31 are fixed on the outer bottom wall of the box body 31, a closing plate 35 is slidably arranged on the limiting rods 34 in a penetrating manner, and the closing plate 35 is attached to the outer bottom wall of the box body 31; a spring 36 is wound on the limiting rod 34, and two ends of the spring 36 are respectively connected with the outer bottom wall of the box body 31 and the closing plate 35; the outer bottom wall of the box 31 is provided with a plurality of through slots 312 corresponding to the closing plates 35 one by one.

When the second motor 33 drives the box 31 to rotate, the closing plate 35 is closed in the through groove 312 under the action of centrifugal force, and the spring 36 is in a stretching state at the moment; when the stones in the box body 31 need to be cleaned, the second motor 33 is turned off, the box body 31 stops rotating, the closing plate 35 loses centrifugal force, the spring 36 returns to a natural state and enables the closing plate 35 to slide and separate from the through groove 312, and the stones in the box body 31 fall from the through groove 312, so that the stones are cleaned conveniently, and the separation efficiency of waste residues is improved.

As shown in fig. 1 and 2, two first collecting boxes 4 arranged in a semi-ring shape are arranged right below the box body 31, the two first collecting boxes 4 together form a circular box, and stones passing through the through groove 312 vertically fall into the first collecting boxes 4, so that the stones are conveniently collected; the second collecting boxes 5 arranged in a semi-annular shape are arranged below the box body 31 in the inclined direction, the two second collecting boxes 5 are enclosed into a circular box, sand passing through the sieve holes 311 falls into the second collecting boxes 5, and accordingly collection of the sand is facilitated.

As shown in fig. 2, the lower end of the crushing paddle 22 extends into the box 31 and is fixed with a first brush 24 and a second brush 25 through a connecting rod 23, the first brush 24 abuts against the inner side wall of the box 31, and the second brush 25 abuts against the inner bottom wall of the box 31. During the process that the first motor 21 drives the crushing paddle 22 to rotate, the rotating direction of the crushing paddle 22 is opposite to the rotating direction of the box body 31; the crushing paddle 22 drives the first brush 24 to rotationally brush off the sand and the stones attached to the inner side wall of the box body 31, the crushing paddle 22 also drives the second brush 25 to rotationally brush off the sand and the stones attached to the inner bottom wall of the box body 31, the sand and stone separation effect is improved, and the sieve holes 311 are not easy to block; when the second motor 33 is turned off, the first brush 24 will continuously brush off the stones adhered to the inner sidewall of the box 31, and the second brush 25 will continuously brush off the stones adhered to the inner sidewall of the box 31, thereby facilitating the discharge of the stones from the through groove 312.

The lower end of the crushing paddle 22 is also connected with a first acanthopore plate 26 abutting against the inner side wall of the box body 31 and a second acanthopore plate 27 abutting against the inner bottom wall of the box body 31 through a connecting rod 23. In the process that first motor 21 drives broken oar 22 rotatory, first acanthopore plate 26 will rotate the broken grit of piling up on box body 31 inside wall and bonding together, and second acanthopore plate 27 will rotate broken and pile up the grit that bonds together on the diapire in box body 31 for the grit further separates, thereby has improved the separation effect of grit.

The inner bottom wall of box 31 is conical, the center of the inner bottom wall of box 31 is convex upward, and through groove 312 is located at the lower end of box 31. The sand on the inner bottom wall of the box 31 will roll down by its own weight close to the holes 311 and the through slots 312, thereby facilitating the discharge of the sand from the holes 311 and the discharge of the stones from the through slots 312.

The inner side wall and the outer side wall of the box body 31 are obliquely arranged downwards, so that the contact area of the box body 31 and the gravel is increased, more sieve holes 311 can be formed in the box body 31, and the screening efficiency of the gravel is improved; grit will roll upwards on the slope of the inside wall of box body 31 under the effect of centrifugal force, has avoided the grit to continuously pile up on the inner diapire of box body 31, has improved the screening efficiency of grit, and rolling grit will be more convenient for pass sieve mesh 311.

The sieve holes 311 are obliquely and downwards arranged and face the second collecting box 5, so that the sand passing through the sieve holes 311 can directly move obliquely and downwards into the second collecting box 5, the sand is convenient to collect, and the situation that the sand falls out of the second collecting box 5 due to overlarge or undersize centrifugal force is reduced.

The implementation principle of this application embodiment a concrete sand and stone separator does: after the concrete waste residue enters the barrel body 1 through the feed inlet 11, the first motor 21 drives the crushing paddle 22 to rotate, and the crushing paddle 22 crushes the waste residue into separated sand and stones; the separated sand and stones fall into the box body 31, the second motor 33 drives the box body 31 to rotate, the closing plate 35 is closed in the through groove 312 under the action of centrifugal force, and the spring 36 is in a stretching state at the moment; sand and stones will move obliquely downward and collide against the inner side wall of the box body 31 under the action of centrifugal force and self gravity, the sand will pass through the sieve holes 311 and move obliquely downward into the second collecting box 5, and the stones will be piled up in the box body 31, thereby realizing the separation of sand and stones.

During rotation of the crushing paddles 22, the direction of rotation of the crushing paddles 22 will be opposite to the direction of rotation of the box 31; the crushing paddle 22 drives the first brush 24, the second brush 25, the first thorn plate 26 and the second thorn plate 27 to rotate, the first brush 24 rotationally brushes off sand and stones attached to the inner side wall of the box body 31, the second brush 25 rotationally brushes off sand and stones attached to the inner bottom wall of the box body 31, the sand and stone separation effect is improved, and the sieve holes 311 are not easy to be blocked; first thorn board 26 piles up rotatory broken grit on the box body 31 inside wall and bond together, and second thorn board 27 piles up rotatory broken grit on the diapire in box body 31 and bond together for the grit further separates, thereby has improved the separation effect of grit.

When the stones in the box body 31 need to be cleaned, the second motor 33 is turned off, the box body 31 stops rotating, the closing plate 35 loses centrifugal force, and the spring 36 returns to a natural state and urges the closing plate 35 to slide and separate from the through groove 312; first brush 24 will last brush and remove the stone of adhering to on the box body 31 inside wall this moment, and second brush 25 will last brush and remove the stone of adhering to on the bottom wall in box body 31 for in the stone discharged and dropped first collection box 4 from leading to groove 312, made things convenient for the collection of stone, improved the separation efficiency of waste residue.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a concrete grit separating centrifuge, includes staving (1), and the upper and lower both sides of staving (1) are equipped with feed inlet (11) and discharge gate (12) respectively, are equipped with crushing mechanism (2) in staving (1), and discharge gate (12) department is equipped with screening mechanism (3), its characterized in that: the crushing mechanism (2) comprises a first motor (21) arranged on the barrel body (1) and a crushing paddle (22) arranged in the barrel body (1), and an output shaft of the first motor (21) is connected to the crushing paddle (22);

the screening mechanism (3) comprises a box body (31) and a base (32) which are sequentially arranged from top to bottom, the box body (31) and the barrel body (1) are coaxially arranged, and a plurality of sieve holes (311) through which sand only passes are formed in the outer side wall of the box body (31); a second motor (33) is arranged on the base (32), and an output shaft of the second motor (33) is connected to the center of the outer bottom wall of the box body (31);

a plurality of through grooves (312) communicated with the interior of the box body (31) are formed in the outer bottom wall of the box body (31), closing plates (35) used for closing the through grooves (312) are arranged at the through grooves (312), and the closing plates (35) are connected to the box body (31) through springs (36); when the spring (36) is in a natural state, the closing plate (35) is separated from the through groove (312).

2. The concrete grit separator according to claim 1, wherein: be equipped with on broken oar (22) and contradict in first brush (24) of box body (31) inside wall, first motor (21) drive the rotatory direction of staving (1) and second motor (33) drive the rotatory opposite direction of box body (31).

3. The concrete grit separator according to claim 2, wherein: and a second brush (25) abutting against the inner bottom wall of the box body (31) is arranged on the crushing paddle (22).

4. The concrete grit separator according to claim 1, wherein: the inner bottom wall of the box body (31) is arranged in a conical shape, the center of the inner bottom wall of the box body (31) protrudes upwards, and the through groove (312) is located at the lower end of the box body (31).

5. The concrete grit separator according to claim 4, wherein: the inner side wall of the box body (31) is arranged obliquely downwards.

6. The concrete grit separator according to claim 5, wherein: be equipped with on broken oar (22) and contradict in first acanthopore plate (26) of box body (31) inside wall and conflict in second acanthopore plate (27) of diapire in box body (31), first motor (21) drive the rotatory direction of staving (1) and second motor (33) drive the rotatory opposite direction of box body (31).

7. The concrete grit separator according to claim 5, wherein: two first collecting boxes (4) which are arranged in a semi-annular shape are arranged right below the box body (31), and a circular box is enclosed by the two first collecting boxes (4); two second collecting boxes (5) which are arranged in a semi-ring shape are arranged obliquely below the box body (31), and the two second collecting boxes (5) also jointly enclose a circular box; the sieve holes (311) are arranged obliquely downwards and face the second collecting box (5).

8. The concrete grit separator according to claim 1, wherein: the closing plate (35) is slidably provided with a limiting rod (34) in a penetrating manner, and the limiting rod (34) is arranged on the outer bottom wall of the box body (31) and extends along the radial direction of the box body (31).