CN215587127U

CN215587127U - Sand screening machine for double-layer screening for constructional engineering

Info

Publication number: CN215587127U
Application number: CN202121948997.5U
Authority: CN
Inventors: 王春艳
Original assignee: Shenzhen Pengrunda Holding Group Co ltd
Current assignee: Shenzhen Pengrunda Holding Group Co ltd
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2022-01-21
Anticipated expiration: 2031-08-19

Abstract

The utility model relates to the technical field of constructional engineering, and discloses a sand sieving machine for double-layer sieving in constructional engineering, which comprises a sieving machine shell, wherein a motor drives a cam to rotate at the upper side position of a first screen, the upper side position fixing frame can slide downwards when being pressurized, the two fixing frames are connected with each other through two connecting rods, the upper side position fixing frame can drive the lower side position fixing frame to slide together when sliding downwards, at the moment, a first screen and a second screen slide downwards in the sieving machine shell under the action force of the cam, the two fixing frames of the cam in a sliding chute are deformed and then rebound and exert upward elastic force on the fixing frames, and at the moment, the first screen and the second screen slide vertically and irregularly in the sieving machine shell to drive gravels sieved on the first screen and the second screen to shake vertically so as to avoid the problem that large-particle gravel guides sieved on the first screen and the second screen from being blocked by meshes of the first screen and the second screen to influence the gravel sieving.

Description

Sand screening machine for double-layer screening for constructional engineering

Technical Field

The utility model relates to the technical field of constructional engineering, in particular to a sand screening machine for double-layer screening in constructional engineering.

Background

Need sieve the grit when building construction, the grit of waiting to screen is poured the screen cloth that recycles to the grit when carrying out the grit screening usually and is sieved the grit, but the rigidity of general screen cloth, when the grit is poured on the screen cloth, big granule's stone is screened and is stayed on the screen cloth, little granule's sand is screened and is leaked down, but when the grit volume of screening is more and more, the stone that sieves on the screen cloth is more and more stayed, the mesh of screen cloth can be blockked up by the stone this moment, thereby lead to the screening of grit to receive the problem of influence, need the sand screening machine of double-deck screening for building engineering for this reason.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a sand screening machine for double-layer screening in constructional engineering, which solves the problems.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a sand sieving machine of double-deck screening for building engineering, including the sieve separator shell, two spouts have been seted up to the inner wall symmetry of sieve separator shell, the inside fixed mounting of spout has the spliced pole, the inside fixed mounting of spout has the spring, the inside movable mounting of sieve separator shell has four outer frames, movable mounting has fixed frame between the outer frame of the left and right sides, the inside fixed mounting that is located the fixed frame of upside has screen cloth one, the inside fixed mounting that is located the fixed frame of downside has screen cloth two, be in the same place through two connecting rod fixed connection between two fixed frames of upper and lower both sides, two circular recesses have been seted up to the inner wall symmetry of sieve separator shell, the inside fixed mounting of the circular recess of sieve separator shell inner wall has the motor, the output fixed mounting of motor has the cam, the cam contacts with the top of the fixed frame that is located the upside each other.

Preferably, the spring is sleeved with the connecting column, the outer wall of the outer connecting frame is fixedly provided with a sliding block movably connected with the sliding groove, the outer wall of the sliding block positioned on the lower side is fixedly connected with the upper end of the spring, the top of the sliding block is provided with a circular through hole, and the connecting column is sleeved with the circular through hole in the sliding block.

Preferably, the outer wall of the extension frame is provided with a rotary groove, the outer wall of the fixing frame is symmetrically and fixedly provided with sleeve shafts movably connected with the rotary groove, and the extension frame and the fixing frame are connected together through bolts and threads.

Preferably, two elastic clamps with elasticity are fixedly mounted at the top of the inner wall of the sliding groove, and the elastic clamps are of U-shaped structures.

Preferably, a guide plate is fixedly installed inside the screening machine shell, the guide plate is a plate with a trapezoidal cross section, and the guide plate extends to the outer side of the screening machine shell.

(III) advantageous effects

Compared with the prior art, the utility model provides a sand screening machine for double-layer screening in constructional engineering, which has the following beneficial effects:

1. the sand sieving machine for double-layer sieving in the building engineering comprises a sand sieving machine shell, a motor, a cam, a first connecting rod, a second connecting rod, a cam, a first fixing frame, a second fixing frame, a connecting rod, a first spring, a second spring, a connecting rod, a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod, a fifth connecting rod, a sixth connecting rod, a fifth connecting rod, a sixth connecting rod, a fifth connecting rod, a sixth connecting rod, a fifth connecting rod, a sixth connecting rod, a fifth connecting rod, a sixth connecting rod, a fifth connecting rod, a sixth connecting rod, a fifth connecting rod, a sixth connecting rod, a fifth connecting rod, a, at the moment, the first screen and the second screen inside the screening machine shell slide up and down irregularly in the screening machine shell to drive the sand screened on the first screen and the second screen to shake up and down so as to avoid the problem that the large-particle sand guide on the first screen and the second screen blocks up the meshes of the first screen and the second screen to influence the sand screening.

2. This sand sieving machine of double-deck screening for building engineering has two elastic clamps through the inside fixed mounting at the spout, when fixed frame upwards slides under the spring action of spring, the fixed frame that is located the upside position with have elastic clamp and contact each other, kick-back after the elastic clamp deformation is applyed decurrent effort to fixed frame and is how big and lead to the problem that fixed frame damaged with the inner wall impact force of avoiding being located the fixed frame direct impact spout of upside position.

3. This sand sieving machine of double-deck screening for building engineering, there is fixed frame through the inside movable mounting at two outer frames, after the grit screening, rotatory bolt breaks away from the inside of outer frame and fixed frame, two fixed frames of both sides downwards rotate under the gravity of self about this moment, the stone that gets off by the screening on the fixed frame this moment can be along the surperficial lapse of screen cloth one and screen cloth two, rotate the bolt afterwards and fix frame interconnect with fixing fixed frame in order to fix fixed frame, thereby be convenient for clear up the waste material on screen cloth one and screen cloth two after the screening.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic view of the present invention showing the structure of the present invention;

FIG. 3 is an enlarged view of the point A in FIG. 2;

fig. 4 is an enlarged schematic view of B in fig. 2.

In the figure: 1. a screen housing; 2. leading the plate; 3. a chute; 4. connecting columns; 5. a spring; 6. an outer connecting frame; 7. a fixing frame; 8. a first screen mesh; 9. a second screen; 10. a connecting rod; 11. a slider; 12. a bolt; 13. an elastic clip; 14. rotating the groove; 15. a sleeve shaft; 16. a motor; 17. a cam.

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. 1-4, a sand sieving machine for double-layer sieving in building engineering comprises a sieving machine shell 1, wherein the sieving machine shell 1 is of a hollow structure, the cross section of the sieving machine shell 1 is of an L shape, a guide plate 2 is fixedly installed inside the sieving machine shell 1, the guide plate 2 is a plate with a trapezoidal cross section, the guide plate 2 extends to the outer side of the sieving machine shell 1, two sliding grooves 3 are symmetrically formed in the inner wall of the sieving machine shell 1, the sliding grooves 3 are rectangular grooves, connecting columns 4 are fixedly installed inside the sliding grooves 3, the connecting columns 4 are of a cylindrical structure, springs 5 are fixedly installed inside the sliding grooves 3, the springs 5 are sleeved with the connecting columns 4, four outer frames 6 are movably installed inside the sieving machine shell 1, the outer frames 6 are of a frame-shaped structure, fixed frames 7 are movably installed between the outer frames 6 on the left side and the right side, the fixed frames 7 are of a rectangular ring-shaped structure, the outer wall of the external frame 6 is provided with a rotary groove 14, the rotary groove 14 is a circular through hole, the outer wall of the fixed frame 7 is symmetrically and fixedly provided with a sleeve shaft 15 which is movably connected with the rotary groove 14, the sleeve shaft 15 is of a cylindrical structure, the external frame 6 is connected with the fixed frame 7 through a bolt 12 in a threaded manner, the inside of the fixed frame 7 positioned at the upper side is fixedly provided with a screen I8, the screen I8 is of a rectangular structure, the inside of the fixed frame 7 positioned at the lower side is fixedly provided with a screen II 9, the screen II 9 is twice of the mesh density of the screen I8, the two fixed frames 7 at the upper side and the lower side are fixedly connected together through two connecting rods 10, the connecting rods 10 are of a rectangular structure, the outer wall of the external frame 6 is fixedly provided with a sliding block 11 which is movably connected with the sliding groove 3, the sliding block 11 is of a rectangular structure, the outer wall positioned at the lower side is fixedly connected with the upper end of the spring 5, circular through-hole has been seted up at slider 11's top, circular through-hole cup joint on spliced pole 4 and the slider 11 is in the same place, inner wall top fixed mounting of spout 3 has two elastic clip 13 that have, elastic clip 13 is the U-shaped structure, two circular recesses have been seted up to sieve separator shell 1's inner wall symmetry, the inside fixed mounting of the circular recess of sieve separator shell 1 inner wall has motor 16, motor 16 is current structure, do not bore here, motor 16's output fixed mounting has cam 17, cam 17 is located the upside position of screen cloth 8, cam 17 and the top of the fixed frame 7 that is located the upside contact each other.

The principle is as follows: when the sand and stone screening is carried out, sand and stone are input from the upper side of the screening machine shell 1, the sand and stone fall on the screen cloth I8 for primary screening, the primarily screened sand and stone fall on the screen cloth II 9 for secondary screening, the motor 16 is connected with external power supply equipment, the motor 16 drives the cam 17 to rotate at the upper side position of the screen cloth I8, when the cam 17 rotates, a downward acting force is exerted on the fixed frame 7 at the upper side position, when the fixed frame 7 at the upper side position is pressurized, the downward sliding is carried out, the two fixed frames 7 are connected with each other through the two connecting rods 10, when the fixed frame 7 at the upper side position slides downwards, the fixed frame 7 at the lower side position is driven to slide together, at the moment, the screen cloth I8 and the screen cloth II 9 slide downwards in the interior of the screening machine shell 1 under the acting force of the cam 17, meanwhile, the spring 5 in the sliding chute 3 deforms under the pressure of the two fixed frames 7 and rebounds and exerts an upward elastic force on the fixed frame 7, at the moment, the first screen 8 and the second screen 9 in the screening machine shell 1 slide up and down irregularly in the screening machine shell 1 to drive the sand screened on the first screen 8 and the second screen 9 to shake up and down so as to avoid the problem that the large-particle sand screened on the first screen 8 and the second screen 9 causes the mesh blockage of the first screen 8 and the second screen 9 to influence the sand screening; by fixedly installing the two elastic clamps 13 with elasticity in the sliding chute 3, when the fixing frame 7 slides upwards under the action of the elasticity of the spring 5, the fixing frame 7 at the upper side position is in contact with the elastic clamps 13 with elasticity, and the elastic clamps 13 rebound after deformation to exert a downward acting force on the fixing frame 7 so as to avoid the problem that the fixing frame 7 is damaged due to the fact that the fixing frame 7 at the upper side position directly impacts the inner wall of the sliding chute 3 with large impact force; through the inside movable mounting at two outer frames 6 there is fixed frame 7, after the grit screening, rotatory bolt 12 breaks away from the inside of outer frame 6 and fixed frame 7, two fixed frames 7 of both sides rotated downwards under the gravity of self about this moment, the stone that is sieved down on the fixed frame 7 this moment can be along screen cloth 8 and two 9 surperficial lapse slides of screen cloth, it will outer frame 6 and fixed frame 7 interconnect in order to fix fixed frame 7 to rotate bolt 12 afterwards, thereby be convenient for clear up the waste material on screen cloth 8 and the two 9 of screen cloth after the screening.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sand sieving machine of double-deck screening for building engineering, includes sieve shell (1), its characterized in that: two sliding chutes (3) are symmetrically arranged on the inner wall of the screening machine shell (1), connecting columns (4) are fixedly arranged inside the sliding chutes (3), springs (5) are fixedly arranged inside the sliding chutes (3), four external frames (6) are movably arranged inside the screening machine shell (1), fixed frames (7) are movably arranged between the external frames (6) on the left side and the right side, a screen I (8) is fixedly arranged inside the fixed frame (7) on the upper side, a screen II (9) is fixedly arranged inside the fixed frame (7) on the lower side, the two fixed frames (7) on the upper side and the lower side are fixedly connected together through two connecting rods (10), two circular grooves are symmetrically arranged on the inner wall of the screening machine shell (1), a motor (16) is fixedly arranged inside the circular grooves on the inner wall of the screening machine shell (1), and a cam (17) is fixedly arranged at the output end of the motor (16), the cam (17) is in contact with the top of the fixed frame (7) located on the upper side.

2. The sand sieving machine for double-layer sieving in constructional engineering according to claim 1, characterized in that: spring (5) cup joint together with spliced pole (4), the outer wall fixed mounting of outer frame (6) has slider (11) with spout (3) swing joint together, and the outer wall of slider (11) that is located the downside is in the same place with the upper end fixed connection of spring (5), and circular through-hole has been seted up at the top of slider (11), and spliced pole (4) cup joints together with the circular through-hole on slider (11).

3. The sand sieving machine for double-layer sieving in constructional engineering according to claim 1, characterized in that: the outer wall of the outer connecting frame (6) is provided with a rotating groove (14), the outer wall of the fixing frame (7) is symmetrically and fixedly provided with a sleeve shaft (15) which is movably connected with the rotating groove (14), and the outer connecting frame (6) and the fixing frame (7) are connected together through a bolt (12) in a threaded manner.

4. The sand sieving machine for double-layer sieving in constructional engineering according to claim 1, characterized in that: two elastic clamps (13) with elasticity are fixedly mounted at the top of the inner wall of the sliding groove (3), and the elastic clamps (13) are of a U-shaped structure.

5. The sand sieving machine for double-layer sieving in constructional engineering according to claim 1, characterized in that: the inner part of the screening machine shell (1) is fixedly provided with a guide plate (2), the guide plate (2) is a plate with a trapezoidal cross section, and the guide plate (2) extends to the outer side of the screening machine shell (1).