CN215278508U

CN215278508U - Grit sieving mechanism for building engineering

Info

Publication number: CN215278508U
Application number: CN202121102870.1U
Authority: CN
Inventors: 姚醴
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2021-12-24
Anticipated expiration: 2031-05-21

Abstract

The utility model relates to the technical field of constructional engineering, in particular to a sandstone screening device for constructional engineering, which solves the defects in the prior art and comprises a shell, wherein a feeding funnel is arranged at the top of the shell, a supporting seat is fixed on the bottom wall of the shell through a countersunk bolt, the top of the supporting seat is connected with an inclined material receiving plate through a hexagon screw, a supporting plate is fixed at the top of the material receiving plate through a screw, two screening boxes are movably connected on the supporting plate through a pin shaft, and a first screen and a second screen are respectively arranged on the two screening boxes; through the setting of cam, gyro wheel, slider, piston rod and screening box isotructure, when the screening grit, reciprocating motion about the servo motor drive piston rod to make the screening box can act on the swing, with the cooperation of bobbing machine down, accelerated the efficiency of screening.

Description

Grit sieving mechanism for building engineering

Technical Field

The utility model relates to a building engineering technical field especially relates to a grit sieving mechanism for building engineering.

Background

Sand, which refers to a loose mixture of sand and gravel. Geology refers to mineral or rock particles with the particle size of 0.074-2 mm as sand, and those with the particle size larger than 2mm as gravel or breccia (the difference between the sand and the gravel is that the degree of rounding is different, and the detailed terms of conglomerate and sandstone can be seen). If the crushed stones in the sand are mostly gravel, the sand is called sand gravel.

A grit sieving mechanism for building engineering among the prior art has following defect: firstly, only a vibrating machine is adopted to be matched with a screen during screening, so that the screening efficiency is low; and secondly, only one screen is adopted for screening, so that the screening effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art and providing a sand and stone screening device for constructional engineering.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a sand and stone screening device for constructional engineering comprises a shell, wherein a feeding hopper is arranged at the top of the shell, a supporting seat is fixed on the bottom wall of the shell through a countersunk bolt, the top of the supporting seat is connected with an inclined material receiving plate through a hexagon screw, a supporting plate is fixed at the top of the material receiving plate through a screw, two screening boxes are movably connected to the supporting plate through a pin shaft, and a first screen and a second screen are respectively arranged on the two screening boxes;

the inside of supporting seat rotates and installs the cam, the inside slip of receipts flitch is provided with the piston rod, and one side welding of piston rod has two connecting plates, and one side activity of connecting plate articulates there is the slider, two the slider slides respectively and sets up in bottom one side of two screening boxes.

Preferably, the bottom of each of the two screening boxes is fixedly provided with a vibrating machine.

Preferably, the bottom of two screening boxes has all been seted up the spout, slider and spout sliding connection.

Preferably, a discharge port is formed in one side of the shell, and the discharge port is located in one side of the end portion of the material collecting plate.

Preferably, the material collecting plate is internally provided with a mounting hole, a guide sleeve is fixed inside the mounting hole, and the piston rod is assembled inside the guide sleeve.

Preferably, the outside cover of piston rod is equipped with the spring, and the outside of piston rod is provided with the baffle of integrated into one piece structure, the both ends of spring respectively with baffle and supporting seat fixed connection.

Preferably, the inside of supporting seat is seted up flutedly, the cam is located the inside of recess, has servo motor through screw fixed mounting on the supporting seat, and servo motor's output has the pivot through the coupling joint, the fixed cover of cam is established in the outside of pivot.

The utility model has the advantages that:

1. the utility model discloses in through the setting of cam, gyro wheel, slider, piston rod and screening box isotructure, when screening the grit, reciprocating motion about the servo motor drive piston rod to make the screening box can act on the swing, with the cooperation of bobbing machine under, accelerated the efficiency of screening.

2. The utility model discloses in through the setting of first screen cloth and second screen cloth, adopted two screen meshes of screening box and two different apertures, can carry out the secondary screening to the grit, filter effectually, got rid of the impurity in the grit effectively.

Drawings

FIG. 1 is a front cross-sectional view of a sand and stone screening device for construction engineering provided by the present invention;

FIG. 2 is an enlarged view of the sandstone screening device for construction engineering at the position marked A of the utility model;

fig. 3 is a top view of the screening cassette of the present invention.

In the figure: the screening machine comprises a shell 1, a supporting seat 2, a cam 3, a baffle 4, a spring 5, a piston rod 6, a supporting plate 7, a material receiving plate 8, a material outlet 9, a screening box 10, a vibrating machine 11, a feeding hopper 12, a connecting plate 13, a guide sleeve 14, a sliding chute 15, a sliding block 16 and a first screen 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a sand and stone screening device for building engineering comprises a shell 1, wherein a feeding funnel 12 is arranged at the top of the shell 1, a supporting seat 2 is fixed on the bottom wall of the shell 1 through a countersunk bolt, the top of the supporting seat 2 is connected with an inclined material receiving plate 8 through a hexagon screw, a supporting plate 7 is fixed at the top of the material receiving plate 8 through a screw, two screening boxes 10 are movably connected to the supporting plate 7 through a pin shaft, and a first screen 17 and a second screen are respectively arranged on the two screening boxes 10; the cam 3 is rotatably installed in the supporting seat 2, the piston rod 6 is slidably arranged in the material collecting plate 8, two connecting plates 13 are welded on one sides of the piston rod 6, one sides of the connecting plates 13 are movably hinged with sliders 16, and the two sliders 16 are respectively slidably arranged on one sides of the bottoms of the two screening boxes 10.

Wherein, through cam 3, the gyro wheel, slider 16, piston rod 6 and the setting of screening box 10 isotructure, when screening the grit, reciprocating motion about servo motor drive piston rod 6, thereby make screening box 10 can act on the swing, with the cooperation of bobbing machine 11 down, the efficiency of screening has been accelerated, through the setting of first screen cloth 17 and second screen cloth, the screen cloth of two screening boxes 10 and two different apertures has been adopted, can carry out the secondary screening to the grit, it is effectual to filter, the impurity in the grit has been got rid of effectively.

The equal fixed mounting in bottom of two screening boxes 10 has vibrator 11, spout 15 has all been seted up to the bottom of two screening boxes 10, slider 16 and spout 15 sliding connection, discharge gate 9 has been seted up to one side of casing 1, discharge gate 9 is located one side of receiving flitch 8 tip, the mounting hole has been seted up to the inside of receiving flitch 8, the inside of mounting hole is fixed with guide pin bushing 14, piston rod 6 assembles in the inside of guide pin bushing 14, the outside cover of piston rod 6 is equipped with spring 5, the outside of piston rod 6 is provided with baffle 4 of integrated into one piece structure, the both ends of spring 5 respectively with baffle 4 and supporting seat 2 fixed connection, the recess has been seted up to the inside of supporting seat 2, cam 3 is located the inside of recess, there is servo motor through screw fixed mounting on supporting seat 2, servo motor's output has the pivot through the coupling joint, the outside at the pivot is established to cam 3 fixed cover.

In the embodiment, during screening, materials are poured into a feeding funnel 12, the materials sequentially pass through two screening boxes 10 after passing through the feeding funnel 12, sand and stones are secondarily screened through a first screen 17 and a second screen, large impurities are removed by primary screening, small impurities are removed by secondary screening, the small impurities fall through the second screening box 10, the small impurities slide off from a discharge port 9 by a material receiving plate 8, pure sand and stones are left in the screening boxes 10 below, and a box door on a machine shell can be opened after screening is completed to take out the sand and stones;

furthermore, during screening, the vibrating machine 11 and the servo motor are started simultaneously, the vibrating machine 11 is used for vibrating the two screening boxes 10, the servo motor drives the cam 3 to rotate, the cam 3 rotates along the roller to extrude the piston rod 6, and after the roller passes over the cam 3 to a high point position, the piston rod 6 moves downwards to reset under the action of the self gravity of the spring 5 and the screening boxes 10, so that the back and forth swinging of the screening boxes 10 is realized, and the screening efficiency can be accelerated under the double cooperation of vibration and swinging;

in addition, in the screening process, the sliding block 16 can rotate relative to the connecting plate 13, the sliding block 16 can slide on the sliding groove 15 in a self-adaptive mode, and the mechanisms cannot be locked.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The sandstone screening device for the building engineering comprises a shell (1), and is characterized in that a feeding hopper (12) is arranged at the top of the shell (1), a supporting seat (2) is fixed on the bottom wall of the shell (1) through a countersunk bolt, the top of the supporting seat (2) is connected with an inclined material receiving plate (8) through a hexagonal screw, a supporting plate (7) is fixed at the top of the material receiving plate (8) through a screw, two screening boxes (10) are movably connected to the supporting plate (7) through a pin shaft, and a first screen (17) and a second screen are respectively installed on the two screening boxes (10);

the inside of supporting seat (2) is rotated and is installed cam (3), the inside slip of receipts flitch (8) is provided with piston rod (6), and the welding of one side of piston rod (6) has two connecting plates (13), and one side activity hinge joint of connecting plate (13) has slider (16), two slider (16) slide respectively and set up in bottom one side of two screening boxes (10).

2. A sand and stone screening apparatus for construction engineering according to claim 1, wherein a vibrator (11) is fixedly installed at the bottom of each of the two screening boxes (10).

3. The sand and stone screening device for the building engineering according to claim 1, wherein sliding grooves (15) are formed in the bottoms of the two screening boxes (10), and the sliding blocks (16) are connected with the sliding grooves (15) in a sliding mode.

4. The sand and stone screening device for the building engineering according to claim 1, characterized in that a discharge hole (9) is formed in one side of the housing (1), and the discharge hole (9) is located in one side of the end part of the material collecting plate (8).

5. The sand screening device for the construction engineering according to claim 1, wherein a mounting hole is formed in the material collecting plate (8), a guide sleeve (14) is fixed in the mounting hole, and the piston rod (6) is assembled in the guide sleeve (14).

6. The sand and stone screening device for the building engineering according to claim 1, characterized in that a spring (5) is sleeved outside the piston rod (6), a baffle (4) of an integrally formed structure is arranged outside the piston rod (6), and two ends of the spring (5) are respectively and fixedly connected with the baffle (4) and the supporting seat (2).

7. The sand and stone screening device for the building engineering as claimed in claim 1, wherein the inside of the supporting seat (2) is provided with a groove, the cam (3) is positioned inside the groove, the supporting seat (2) is fixedly provided with a servo motor through a screw, the output end of the servo motor is connected with a rotating shaft through a coupling, and the cam (3) is fixedly sleeved outside the rotating shaft.