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Building sand screening machine

A sand screening machine and construction technology, applied in the direction of screening, solid separation, grille, etc., can solve the problems of increasing sand output, waste of sand accumulation, mixing of stone and mud, etc., to achieve the goal of enhancing quality and reducing sand screening efficiency Effect

Pending Publication Date: 2021-05-11
李成
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved in the present invention is to provide a construction sand screening machine, one of which is to have the function of screening sand and solve the problem of mixing a large number of stones and mud inside the sand; the other purpose is to solve the problem of sand screening speed. problem, in order to achieve the effect of strengthening the sand screening and determine the degree of fineness of the sand screened out. Another purpose is to solve the problem of partial sand agglomeration during the sand screening process, so as to facilitate the extrusion and crushing of the sand blocks, which is beneficial to increase the output. The amount of sand, which solves the problem of sand accumulation and waste during the sand screening process

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Such as Figure 1-Figure 6 As shown, the present invention provides a construction sand screening machine, including a support mechanism 1 , a conveyor belt 2 and a sand screening mechanism 4 . In this embodiment, the support mechanism 1 includes support columns 11, and the number of support columns 11 is set to three groups, and the adjacent sides of the three groups of support columns 11 are fixedly connected with the conveyor belt 2, and the adjacent sides of the top of the right support column 11 Both are fixedly connected with a connecting rod 12, the bottom of the connecting rod 12 is provided with a chute, and a slider 13 is slidably connected through the provided chute, the number of the sliders 13 is set to two, and the slider 13 is fixedly connected with a sand screen Mechanism 4, the top of the middle support column 11 is fixedly connected with the sand falling bucket 3, the sand material is poured from the sand falling bucket 3, and the slider 13 is driven t...

Embodiment 2

[0028] Such as Image 6 As shown, on the basis of Embodiment 1, the present invention provides a technical solution: the extrusion sheet 42 is provided with a cavity 421 inside, and the cavity 421 is provided with a partition soft board 422, and the partition soft board 422 adopts multiple Setting, each partition soft plate 422 is provided with a ball 423, and the end of the partition soft plate 422 away from the rubber ring 414 is fixedly connected with a metal film 424. The surface of 42 is easy to adhere to the residual sand 411 after the sand 411 is squeezed, and the rubber ball 415 in the rubber ring 414 produces an impact force on the inner wall of the weak side of the rubber ring 414, and the ball 423 in the extrusion sheet 42 is also impacted during the vibration process. Force, the two impact forces make the residual sand 411 on the surface of the extrusion sheet 42 fall off, and will not accumulate for a long time to cause blockage. The setting of the metal film 424 ...

Embodiment 3

[0030] Such as Figure 4 As shown, on the basis of Embodiment 1 and Embodiment 2, the present invention provides a technical solution: preferably, the inner wall of the center side of the rubber ring 414 is gradually reduced, and the thinnest part of the rubber ring 414 is the center Half the thickness of the inner wall on the other side, this setting maximizes the degree of deformation at the weak point and has a greater impact on the sand screening rate.

[0031] Let's talk about the working principle of this construction sand screening machine in detail.

[0032]When working, pour the sand material from the sand falling bucket 3, and drive the slider 13 to move horizontally in the chute through electric power, and the sand screening plate 41 connected to the slider 13 will vibrate horizontally, and the sand 411 will be sieved along with the sand. With the acceleration of the moving speed of the plate 41, the heavy stones and soil are sieved to the top of the sand 411 under...

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Abstract

The invention discloses a building sand screening machine, and relates to the technical field of building machinery. The building sand screening machine comprises a supporting mechanism, conveyor belts and a sand screening mechanism, wherein the supporting mechanism comprises three groups of supporting columns; the adjacent sides of the three groups of supporting columns are fixedly connected with the conveyor belts; the adjacent sides of the top of the right supporting column are fixedly connected with a connecting rod; sliding grooves are formed in the bottom of the connecting rod; the connecting rod is slidably connected with two sliding blocks through the formed sliding grooves; the sliding blocks are fixedly connected with the sand screening mechanism; and the top of the middle supporting column is fixedly connected with a sand falling hopper. According to the building sand screening machine provided by the invention, stone and soil are screened to the surface layer of sand through oscillation force in the horizontal direction to roll down, so that raised dust is small; sand screening holes and rubber rings are combined, so that the flow speed of the sand is affected; rubber balls violently collide with rebounding protruding blocks and the inner walls of the rubber rings in the rubber rings, so that sand blocks are vibrated to be scattered; and the sand is extruded through double-layer extrusion pieces, so that the sand screening quality is enhanced.

Description

technical field [0001] The invention relates to a sand screening device, relates to the technical field of construction machinery, in particular to a construction sand screening machine. Background technique [0002] Sand generally contains a small amount of soil, and the soil content is limited by the level of the building. Sand is one of the main components of concrete and mortar, and is a bulk material for civil engineering. Sand is generally divided into two categories: natural sand and artificial sand. Formed by natural conditions, rock particles with a particle size of less than 5mm are called natural sand. Artificial sand is made by crushing rocks. Due to high cost and many flakes and powders, it is generally not used. According to different sources, natural sand can be divided into river sand, sea sand and mountain sand. The surface of mountain sand is rough, the particles are angular, the sand content is high, the content of organic impurities is also high, and th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B07B1/30B07B1/46
CPCB07B1/30B07B1/4609B07B1/4636B07B1/46
Inventor 李成
Owner 李成