CN111495753A

CN111495753A - Screening sand device for construction

Info

Publication number: CN111495753A
Application number: CN202010352317.7A
Authority: CN
Inventors: 王爽
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2020-08-07

Abstract

The invention discloses a sand screening device for building construction, and relates to the technical field of building equipment; the method comprises the following steps: the sand screening device comprises a sand screening main body, a sand screening device and a sand screening device, wherein a plurality of screens for screening sand are arranged in the sand screening main body; the feed hopper is fixedly arranged above the sand screening main body, and a bottom outlet is arranged on the upper screen; the crushing wheel is arranged in the feed hopper in a self-rotating mode, the crushing wheel is arranged in an inverted round table mode, and the space between the outer side of the crushing wheel and the inner wall of the feed hopper is gradually increased from bottom to top; one end of each of the screen meshes is hinged to the sand screening main body, the other end of each of the screen meshes is movably mounted on the sand screening main body through a C elastic piece, and the bottom of the other end of each of the screen meshes is provided with a lifting rod for driving the screen meshes to vibrate in different amplitudes; the movable end of the screen is higher than the hinged end. The invention solves the problem of incomplete screening in the prior art, simultaneously realizes disturbance screening and improves the screening effect.

Description

Screening sand device for construction

Technical Field

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

Background

A sand screening device, also known as a dry land sand screening boat and a sand-stone separator, is a sand-stone separation device suitable for riverways, reservoirs, coal yards and buildings, and is divided into a drum-type sand screening machine, a washing drum-type sand screening machine, a vibrating screen type sand screening machine and the like. The sand and stone are one of the necessary materials for the building, so the quality of the sand influences the safety of the building, and a sand screening device is needed in the construction process.

The prior art can not handle hardened sand, leads to the screening incomplete inadequately, consequently proposes a screening sand device for construction and solves above-mentioned technical problem.

Disclosure of Invention

The invention aims to provide a sand screening device for building construction, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a sand screening device for construction, comprising: the sand screening device comprises a sand screening main body, a sand screening device and a sand screening device, wherein a plurality of screens for screening sand are arranged in the sand screening main body;

the feed hopper is fixedly arranged above the sand screening main body, and a bottom outlet is arranged on the upper screen;

the crushing wheel is arranged in the feed hopper in a self-rotating mode, the crushing wheel is arranged in an inverted round table mode, and the space between the outer side of the crushing wheel and the inner wall of the feed hopper is gradually increased from bottom to top;

one end of each of the screen meshes is hinged to the sand screening main body, the other end of each of the screen meshes is movably mounted on the sand screening main body through a C elastic piece, and the bottom of the other end of each of the screen meshes is provided with a lifting rod for driving the screen meshes to vibrate in different amplitudes; the movable end of the screen is higher than the hinged end.

As a further scheme of the invention: the screen cloth is two, and the screen cloth mesh on upper portion is greater than the mesh of bottom screen cloth.

As a still further scheme of the invention: the lifter slides from top to bottom and sets up in the slide in the screening husky main part, and the lifter lower extreme is contradicted on the swivel becket that sets up from the transmission, be provided with a plurality of archs on the swivel becket, and a plurality of protruding intermittent type rotate to the lifter below, contradict at the lifter lower extreme, and are a plurality of protruding high difference.

As a still further scheme of the invention: the spring is sleeved outside the lifting rod, and the upper end and the lower end of the spring are fixedly installed on the lifting rod and the sliding seat respectively.

As a still further scheme of the invention: and a driving mechanism for driving the two rotating rings to rotate is arranged in the sand screening main body.

As a still further scheme of the invention: the driving mechanism comprises gears A arranged at the bottoms of the two rotating rings and gears B meshed with the gears A respectively, the gears B are fixedly sleeved on a rotating shaft B respectively, and the rotating shaft B is in transmission connection with a motor A in the sand screening main body.

As a still further scheme of the invention: two screen cloth rotation end department all is provided with the discharge gate, and lower part screen cloth bottom fixed mounting has a flitch, go out the flitch slope setting, it also is provided with the discharge gate to go out the flitch low side, the discharge gate all sets up in the sieve husky main part.

As a still further scheme of the invention: crushing wheel upper end fixed mounting has the A pivot, the A pivot is rotated and is installed inside the feeder hopper, the B belt pulley has been put to the cover in the A pivot, the B belt pulley is connected with the slewing mechanism transmission on the feeder hopper.

As a still further scheme of the invention: and the upper end of the rotating shaft A is provided with a material smashing component.

As a still further scheme of the invention: the vibrating plate comprises a vibrating plate body, a vibrating plate body and a vibrating plate body, wherein the vibrating plate body is provided with a plurality of vibrating plate upper portions, the vibrating plate upper portions are fixedly provided with a plurality of vibrating rods with different heights, the vibrating plate bottom is symmetrically provided with a convex block, the vibrating plate bottom is abutted with a driving rod which is symmetrically arranged, the driving rod is fixedly arranged at the top of the rotating shaft A, and the convex block A is arranged on a rotating track of the driving rod.

Compared with the prior art, the invention has the beneficial effects that: the crushing wheel is arranged, so that hardened sand can be crushed conveniently, the screening effect is further improved, and the problem that the hardened sand cannot be treated in the prior art is solved; through the arrangement of the rotating ring, the bulges, the lifting rod, the gear A and the like, the lifting rod is driven to drive the screen to vibrate at different amplitudes, so that disturbance screening is realized, and the screening effect is improved; the invention solves the problem of incomplete screening in the prior art, simultaneously realizes disturbance screening and improves the screening effect.

Drawings

Fig. 1 is a schematic structural view of a sand sieving device for building construction.

Fig. 2 is a schematic structural view of a feed hopper in the sand screening device for building construction.

Fig. 3 is a schematic structural view of a swivel ring in the sand sieving apparatus for building construction.

In the figure: the device comprises a sand screening main body-1, a feed hopper-2, a vibrating disc-3, a material smashing rod-4, a bump-5, a driving rod-6, a crushing wheel-7, a rotating shaft-8, a screen-9, a lifting rod-10, a spring-11, a rotating ring-12, a protrusion-13, a gear-14, a gear-15, a rotating shaft-16, a motor-17, a gear-18, a gear-19, an elastic support-20, a belt pulley-21, a belt pulley-22, a motor-23 and a discharging plate-24.

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.

Example 1

Referring to fig. 1 to 3, in embodiment 1 of the present invention, a sand screening device for building construction includes: the sand screening device comprises a sand screening main body 1, wherein a plurality of screen meshes 9 for screening sand are arranged inside the sand screening main body 1;

the feed hopper 2 is fixedly arranged above the sand screening main body 1, and an outlet at the bottom is arranged on the screen 9 above;

wherein, the inside crushing wheel 7 that is provided with the rotation setting of feeder hopper 2, the round platform setting of crushing wheel 7 for invering, and the space from the bottom up increases gradually between 7 outsides of crushing wheel and the 2 inner walls of feeder hopper, is convenient for pulverize the sand that hardens through setting up crushing wheel 7, and then improves the screening effect, prevents that prior art can not handle the sand that hardens.

One end of each of the screen meshes 9 is hinged to the sand screening main body 1, the other end of each of the screen meshes 9 is movably mounted on the sand screening main body 1 through a C elastic piece, lifting rods 10 for driving the screen meshes 9 to vibrate in different amplitudes are arranged at the bottoms of the other ends of the screen meshes 9, and the lifting rods 10 vibrate in different amplitudes, so that disturbance screening is realized, and the screening effect is improved; the movable end of the screen 9 is higher than the hinged end.

Example 2

Referring to fig. 1 to 3, the main difference between the present embodiment 2 and the embodiment 1 is that the number of the screens 9 is two, and the mesh of the upper screen 9 is larger than that of the bottom screen 9, and two screens 9 are provided to realize two-stage screening.

The lifter 10 slides from top to bottom and sets up in the slide on the husky main part of sieve 1, and the lifter 10 lower extreme is contradicted on the swivel becket 12 that sets up from the transmission, be provided with a plurality of archs 13 on the swivel becket 12, and the intermittent type rotation of a plurality of archs 13 to lifter 10 below, contradict at the lifter 10 lower extreme, and is a plurality of protruding 13 is highly different, because protruding 13 is highly different, and then makes lifter 10 vibration range about the range vary. And then drive screen cloth 9 and carry out different range vibrations, realize the disturbance screening, improve the screening effect.

Spring 11 has been put to the lifting rod 10 outside cover, and spring 11 upper and lower both ends respectively fixed mounting on lifting rod 10 and slide, and this setting makes the lifting rod 10 lower extreme contradict on swivel 12 all the time, guarantees the stability of operation. The contact surface between the lifting rod 10 and the rotating ring 12 is smooth, and the arrangement reduces the resistance in the operation process.

And a driving mechanism for driving the two rotating rings 12 to rotate is arranged in the sand screening main body 1.

The driving mechanism comprises two gears A14 arranged at the bottom of the rotating ring 12 and two gears B15 respectively meshed with the gears A14, the gears B15 are respectively fixedly sleeved on a rotating shaft B16, the rotating shaft B16 is in transmission connection with a motor A17 inside the sand screening main body 1, the motor A17 rotates to further drive the rotating shaft B16 to drive the gears B15 and the gears A14 to rotate, and power is provided for the rotating ring 12 to rotate.

The output end of the A motor 17 is provided with a C gear 18 meshed with a D gear 19, the D gear 19 is fixedly sleeved on the B rotating shaft 16, the arrangement realizes the transmission connection between the A motor 17 and the B rotating shaft 16, and provides power for the rotation of the B rotating shaft 16.

Two 9 rotation end departments of screen cloth all are provided with the discharge gate, and lower part screen cloth 9 bottom fixed mounting has play flitch 24, go out flitch 24 slope setting, go out 24 low sides of flitch and also be provided with the discharge gate, the discharge gate all sets up on sieve husky main part 1, and this setting is convenient for discharge the material.

Crushing 7 upper end fixed mounting of taking turns has A

pivot

8, 8 rotations of A pivot are installed inside feeder hopper 2, B belt pulley 22 has been put to the cover on the 8A pivots, B belt pulley 22 is connected with the slewing mechanism transmission on the feeder hopper 2. The arrangement is such that the a-axis shaft 8 powers the crushing wheel 7 in rotation.

The slewing mechanism includes B motor 23 and the A belt pulley 21 that sets up at B motor 23 output on feeder hopper 2 fixed mounting, A belt pulley 21 passes through the belt with B belt pulley 22 and is connected, should set up to crush and take turns 7 and rotate and provide power.

8 upper ends of A rotating shaft are provided with the material smashing component, and the material smashing component is arranged to prevent the blockage of the discharge port of the feed hopper 2.

The material subassembly of pounding includes that fixed mounting installs at the actuating lever 6 at 8 tops of A pivot and the vibration dish 3 of elastic mounting in feeder hopper 2 discharge opening department, 3 upper portions fixed mounting of vibration dish have a plurality of high differences

smash material pole

4, 3 bottom symmetries of vibration dish are provided with

A lug

5, 3 bottoms of vibration dish are contradicted and are had actuating lever 6 that the symmetry set up, 6 fixed mounting of actuating lever are at 8 tops of A pivot, A lug 5 sets up on the rotation orbit of actuating lever 6, should set up and make actuating lever 6 rotate the in-process intermittent type conflict to A lug 5 on, and then drive vibration dish 3 drives and smashes material pole 4 vertical vibration, smashes the material, prevents to block up.

The bottom of the vibration disk 3 is elastically mounted on the feed hopper 2 through an elastic support 20, and the elastic support 20 is an elastic telescopic rod, so that the vibration disk 3 can vibrate up and down.

The working principle of the invention is as follows: sand to be screened is added into the feed hopper 2, the motor B23 drives the driving rod 6 to rotate through the belt pulley A21, the belt pulley B22 and the rotating shaft A8, the driving rod 6 intermittently drives the vibrating disc 3 and the material smashing rod 4 to vibrate up and down, and material smashing is carried out so as to prevent the blockage of a discharge opening of the feed hopper 2; meanwhile, the rotating shaft A8 drives the crushing wheel 7 to rotate, and the crushing wheel 7 crushes sand, so that the sand cannot be completely screened due to hardening; sand through feeder hopper 2 falls on screen cloth 9, and A motor 17 drives swivel becket 12 through C gear 18, D gear 19B pivot 16, B gear 15 and A gear 14 and rotates, and the arch 13 drive lifter 10 that highly differs on swivel becket 12 drives screen cloth 9 and vibrates under different ranges, realizes the disturbance screening, improves the screening effect.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "top", "bottom", "inner", "outer", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, in the description of the present invention, "a plurality" means two or more unless otherwise specified. A feature defined as "first," "second," etc. may explicitly or implicitly include one or more of the feature.

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. A sand screening device for construction, comprising: the sand screening device comprises a sand screening main body (1), wherein a plurality of screens (9) for screening sand are arranged inside the sand screening main body (1);

the feed hopper (2) is fixedly arranged above the sand screening main body (1), and an outlet at the bottom is arranged on the screen (9) above;

the automatic crushing device is characterized in that a crushing wheel (7) which is arranged in a self-rotating manner is arranged in the feeding hopper (2), the crushing wheel (7) is arranged in an inverted round table, and the space between the outer side of the crushing wheel (7) and the inner wall of the feeding hopper (2) is gradually increased from bottom to top;

one end of each of the screen meshes (9) is hinged to the sand screening main body (1), the other end of each of the screen meshes (9) is movably mounted on the sand screening main body (1) through a C elastic piece, and the bottom of the other end of each of the screen meshes (9) is provided with a lifting rod (10) for driving the screen meshes (9) to vibrate in different amplitudes; the movable end of the screen (9) is higher than the hinged end.

2. The sand screening device for construction according to claim 1, wherein the number of the screens (9) is two, and the mesh of the upper screen (9) is larger than the mesh of the lower screen (9).

3. The sand screening device for building construction according to claim 2, wherein the lifting rod (10) is vertically slidably arranged in a sliding seat on the sand screening main body (1), the lower end of the lifting rod (10) abuts against a rotating ring (12) which is arranged in a self-transmission manner, a plurality of protrusions (13) are arranged on the rotating ring (12), the plurality of protrusions (13) intermittently rotate to the position below the lifting rod (10) and abut against the lower end of the lifting rod (10), and the plurality of protrusions (13) are different in height.

4. The sand screening device for building construction according to claim 3, wherein a spring (11) is sleeved outside the lifting rod (10), and the upper end and the lower end of the spring (11) are respectively fixedly installed on the lifting rod (10) and the sliding seat.

5. The sand screening device for building construction according to claim 4, wherein a driving mechanism for driving the two rotating rings (12) to rotate is arranged inside the sand screening main body (1).

6. The sand screening device for building construction according to claim 5, wherein the driving mechanism comprises gears A (14) arranged at the bottoms of the two rotating rings (12) and gears B (15) respectively meshed with the gears A (14), the gears B (15) are respectively fixedly sleeved on a rotating shaft B (16), and the rotating shaft B (16) is in transmission connection with a motor A (17) inside the sand screening main body (1).

7. The sand screening device for building construction according to claim 6, wherein the two screens (9) are provided with discharge ports at the rotating ends, a discharge plate (24) is fixedly mounted at the bottom of the lower screen (9), the discharge plate (24) is arranged obliquely, the discharge ports are also arranged at the lower ends of the discharge plates (24), and the discharge ports are arranged on the sand screening main body (1).

8. The sand screening device for building construction according to any one of claims 1 to 7, wherein an A rotating shaft (8) is fixedly installed at the upper end of the crushing wheel (7), the A rotating shaft (8) is rotatably installed inside the feed hopper (2), a B belt pulley (22) is sleeved on the A rotating shaft (8), and the B belt pulley (22) is in transmission connection with a rotating mechanism on the feed hopper (2).

9. The sand screening device for building construction according to claim 8, wherein a ramming assembly is arranged at the upper end of the rotating shaft A (8).

10. The sand screening device for building construction according to claim 9, wherein the material smashing component comprises a driving rod (6) fixedly installed at the top of the A rotating shaft (8) and a vibration disc (3) elastically installed at a discharge port of the feed hopper (2), a plurality of material smashing rods (4) with different heights are fixedly installed at the upper part of the vibration disc (3), A convex blocks (5) are symmetrically arranged at the bottom of the vibration disc (3), the driving rod (6) symmetrically arranged is abutted at the bottom of the vibration disc (3), the driving rod (6) is fixedly installed at the top of the A rotating shaft (8), and the A convex blocks (5) are arranged on a rotating track of the driving rod (6).