CN112774976A

CN112774976A - Building screening sand machine

Info

Publication number: CN112774976A
Application number: CN202011546597.1A
Authority: CN
Inventors: 李成
Original assignee: Individual
Current assignee: Baichuan Construction Guangdong Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-05-11
Anticipated expiration: 2040-12-24
Also published as: CN112774976B

Abstract

The invention discloses a building sand screening machine, which relates to the technical field of building machinery and comprises a supporting mechanism, a conveying belt 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 conveying belt, the adjacent sides of the top of the right supporting column are fixedly connected with a connecting rod, the bottom of the connecting rod is provided with a sliding groove, the connecting rod is slidably connected with two sliding blocks through the arranged sliding groove, 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 invention, the stone soil is screened to the surface layer of sand to roll off by using the horizontal direction vibration force, the raised dust is small, the combination arrangement of the sand screening holes and the rubber ring is adopted, the influence on the flow velocity of the sand is realized, the rubber ball is violently impacted with the rebound lug and the inner wall of the rubber ring in the rubber ring to shake the sand scattering block, the double-layer extrusion sheet extrudes the sand, and the sand screening quality is enhanced.

Description

Building screening sand machine

Technical Field

The invention relates to a sand screening device, relates to the technical field of construction machinery, and particularly relates to a construction sand screening machine.

Background

Sand generally contains a small amount of soil, the soil content is limited by the building grade, and sand is one of the main constituent materials of concrete and mortar, which are bulk materials of civil engineering. Sands are generally classified into natural sands and artificial sands. Rock particles with a particle size of less than 5mm, which are formed by the action of natural conditions, are called natural sand, and artificial sand is formed by crushing rocks, and is generally not used due to high cost and a large amount of flaky and powdery substances. Natural sand can be classified into river sand, sea sand and mountain sand according to its origin. The mountain sand has rough surface, multi-edge angle of particles, high sand content, high organic impurity content and poor quality. The surface of the sea sand and the river sand is smooth, the single sea sand has more salt, the concrete and the mortar are influenced to a certain extent, and the river sand is cleaner and wider in application. Need screening the processing to the sand that uses in the building work progress, select the comparatively fine and smooth sand that accords with the construction requirement, but present sand is in the screening process, because contain certain moisture in the sand, leads to the sand to condense easily, and difficult dispersion has directly restrained the screening rate of sand, has following problem to prior art:

1. in the prior art, a sand screening machine has the problems that accumulated sand is easy to accumulate when the sand screening machine shakes and screens up and down, and the accumulated sand directly slides down along with stones without being screened, so that the sand screening efficiency is reduced;

2. among the prior art, can only sieve the sand of equal big or small quality to some sand screening machines, and then can not reach the use original intention that improves the sand screening quality, the suitability variation of this kind of sand screening machine, consequently need carry out the structure innovation and solve specific problem.

Disclosure of Invention

The invention provides a building sand screening machine, which aims to have a sand screening function and solve the problem of mixing of a large number of stone and mud blocks in sand; the sand screening device aims to solve the problem of sand screening speed, achieves the effect of reinforcing sand screening, and determines the fineness of screened sand, and the sand screening device aims to solve the problem of partial sand caking in the sand screening process, conveniently extrudes and crushes sand blocks, is beneficial to increasing sand output and solves the problem of sand accumulation waste in the sand screening process.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

the utility model provides a building screening sand machine, includes supporting mechanism, conveyer belt and screening sand mechanism, and the supporting mechanism includes the support column, the quantity of support column sets up to three groups, three groups the equal fixedly connected with conveyer belt in adjacent side of support column, right side the equal fixedly connected with connecting rod in top adjacent side of support column, the spout has been seted up to the bottom of connecting rod, and has the slider through the spout sliding connection who sets up, the quantity of slider sets up to two, the equal fixedly connected with screening sand mechanism of slider, centre the top fixedly connected with of support column falls husky fill.

The technical scheme of the invention is further improved as follows: the sand screening mechanism comprises a sand screening plate, the sand screening plate is arranged in a semicircular arc surface mode, sand is arranged above the sand screening plate, sand screening holes are formed in the bottom of the sand screening plate, the number of the sand screening holes is set to be multiple, grooves are formed in the inner portions of the sand screening holes, the number of the grooves is set to be two, and rubber rings are fixedly connected to the inner portions of the grooves.

The technical scheme of the invention is further improved as follows: the inside of rubber circle is provided with the rubber ball, the inside of rubber ball is provided with the metal ball, one side that the inner wall of rubber circle is close to the recess is provided with the bounce-back lug, the outer wall fixedly connected with extrusion piece of rubber circle.

The technical scheme of the invention is further improved as follows: the inside of extrusion piece is provided with the cavity, the inside of cavity is provided with separates the soft board, it adopts a plurality of settings to separate the soft board, every the top of separating the soft board all is provided with the ball, separate the equal fixedly connected with metal film of one end that the soft board kept away from the rubber circle.

The technical scheme of the invention is further improved as follows: the inner wall of one side of the center of the rubber ring is reduced in a gradual change mode, and the thinnest part of the rubber ring is half of the thickness of the inner wall of the other side of the center of the rubber ring.

Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:

1. the invention provides a building sand screening machine which is ingenious in design, adopts the combination of a sand screening plate and sand screening holes, is convenient to shake the sand screening plate in the horizontal direction for sand screening, avoids the situation that accumulated sand slides down along with stones due to the fact that the sand screening plate does not shake in the vertical direction, reduces sand screening efficiency, enables the sand screening plate to slide horizontally in a sliding chute, enables stone soil with larger caking to shake on the surface of the sand due to the horizontal vibration force, enables the stone soil with larger weight to roll down gradually under the horizontal vibration force due to the inclined placement of the sand screening plate, and enables dust during sand screening to be smaller due to the horizontal vibration force.

2. The invention provides a building sand screening machine, which can realize the influence on the flow velocity of sand by adopting the combined arrangement of a sand screening hole and a rubber ring, wherein in the sand screening process, when the moving speed in the horizontal direction is higher, a rubber ball can generate violent impact with a rebound lug and the inner wall of the rubber ring in the rubber ring, the impact strength is higher, the deformation degree of the gradually-weakened one side of the center of the rubber ring is higher, the size of a through hole of the sand screening hole is smaller, the flow velocity of the sand passing through is reduced, the size of the passable sand is also smaller, the sand which partially contains water agglomerates can not be blocked when falling into the sand screening hole, in the horizontal oscillation process, the oscillation force can shake the part, then an extrusion sheet can generate extrusion force on the agglomerated sand, and the double-layer extrusion sheet extrudes the sand, thereby enhancing the quality of the sand screening.

3. The invention provides a building sand screening machine, which is characterized in that residual sand is easy to adhere to the surface of an extrusion sheet after the extrusion sheet extrudes the sand through the combination of the extrusion sheet and a rubber ring, a rubber ball in the rubber ring generates impact force on the inner wall of the weak side of the rubber ring, the ball in the extrusion sheet simultaneously vibrates and generates impact force, and the two impact forces cause the residual sand on the surface of the extrusion sheet to fall off, so that the sand cannot be accumulated for a long time to cause blockage.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of a sand screening mechanism according to the present invention;

FIG. 3 is a schematic view of the structure of the sand screen holes of the present invention.

FIG. 4 is a schematic view of the rubber ring structure of the present invention;

FIG. 5 is a schematic top view of a sand screen hole of the present invention;

FIG. 6 is a schematic view of the structure of the extruded sheet of the present invention.

In the figure: 1. a support mechanism; 11. a support pillar; 12. a connecting rod; 13. a slider; 2. a conveyor belt; 3. a sand falling hopper; 4. a sand screening mechanism; 41. screening a sand plate; 411. sand; 412. screening sand holes; 413. a groove; 414. a rubber ring; 415. a rubber ball; 416. a rebound bump; 42. extruding the sheet; 421. a cavity; 422. separating the soft boards; 423. a ball bearing; 424. a flexible metal sheet.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

example 1

As shown in fig. 1-6, the invention provides a building sand screening machine, which comprises a supporting mechanism 1, a conveyor belt 2 and a sand screening mechanism 4. In this embodiment, the supporting mechanism 1 includes three groups of supporting columns 11, the adjacent sides of the three groups of supporting columns 11 are fixedly connected with the conveyer belt 2, the adjacent sides of the top of the right supporting column 11 are fixedly connected with the connecting rod 12, the bottom of the connecting rod 12 is provided with a sliding slot, and the sliding blocks 13 are connected with the sliding chute in a sliding way, the number of the sliding blocks 13 is two, the sliding blocks 13 are fixedly connected with the sand screening mechanism 4, the top of the middle supporting column 11 is fixedly connected with the sand falling hopper 3, the sand raw material is poured into the sand falling hopper 3, drive slider 13 horizontal migration in the spout through electric power, the sieve sand board 41 that slider 13 is connected produces the horizontal shock thereupon, and sand 411 is along with sieve sand board 41 translation rate's acceleration, and the great stone earth of weight sieves the top of sand 411 and rolls downwards gradually under horizontal shaking force, and the raise dust when the power of horizontal direction vibrations makes the sieve sand less.

As shown in fig. 2 to 5, in the present embodiment, preferably, the sand sieving mechanism 4 includes a sand sieving plate 41, the sand sieving plate 41 is disposed in a semicircular arc surface, sand 411 is disposed above the sand sieving plate 41, sand sieving holes 412 are disposed at the bottom of the sand sieving plate 41, a plurality of sand sieving holes 412 are disposed, a groove 413 is disposed inside each sand sieving hole 412, and the number of grooves 413 is two, a rubber ring 414 is fixedly connected inside the groove 413, a rubber ball 415 is disposed inside the rubber ring 414, a metal ball is disposed inside the rubber ball 415, a rebound bump 416 is disposed on one side of an inner wall of the rubber ring 414 close to the groove 413, and a squeezing sheet 42 is fixedly connected to an outer wall of the rubber ring 414, wherein by using a combination of the sand sieving holes 412 and the rubber ring 414, an influence on a flow rate of the sand 411 can be achieved, and when a moving speed in a horizontal direction is faster, rubber ball 415 then can produce fierce striking with bounce-back lug 416 and rubber circle 414 inner wall in the inside of rubber circle 414, the dynamics of striking is big more, the deformation degree that rubber circle 414 center one side gradually becomes weak is big more, the through-hole size of sieve sand hole 412 diminishes thereupon, the velocity of flow that sand 411 passes through has been reduced, passable sand 411 size also diminishes, to the sand 411 that the part contains the moisture caking, do not exclude and also fall into sieve sand hole 412 and can cause the jam, vibrate the in-process at the level, vibrate scattered part of power ability, secondly extrusion piece 42 can produce the extrusion force to caking sand 411, double-deck extrusion piece 42 extrudes sand 411, the quality of sieve sand has been strengthened.

Example 2

As shown in fig. 6, on the basis of embodiment 1, the present invention provides a technical solution: extrusion piece 42's inside is provided with cavity 421, the inside of cavity 421 is provided with separates soft board 422, it adopts a plurality of settings to separate soft board 422, every top of separating soft board 422 all is provided with ball 423, separate the equal fixedly connected with metal soft sheet 424 of one end that soft board 422 kept away from rubber circle 414, set up through the combination of extrusion piece 42 and rubber circle 414, extrusion piece 42's surface is attached to remaining sand 411 after squeezing sand 411, rubber ball 415 in the rubber circle 414 produces the impact to the weak one side inner wall of rubber circle 414, ball 423 in the extrusion piece 42 is shaking simultaneously and is being given birth to well impact, two impact make the surface residue sand 411 of extrusion piece 42 drop, can not pile up for a long time and cause the jam, the deformation degree reduction influence of rubber circle 414 is given birth to in the setting of metal soft sheet 424.

Example 3

As shown in fig. 4, on the basis of the embodiment 1 and the embodiment 2, the present invention provides a technical solution: preferably, the inner wall of one side of the center of the rubber ring 414 is gradually reduced, the thinnest part of the rubber ring 414 is half of the thickness of the inner wall of the other side of the center of the rubber ring, and the deformation degree of the weak part is maximized by the arrangement, so that the influence on the sand screening speed is larger.

The working principle of the building sand screening machine is described in detail below.

When the sand screening device works, sand raw materials are poured from the sand falling hopper 3, the sliding block 13 is driven by electric power to horizontally move in the sliding chute, the sand screening plate 41 connected with the sliding block 13 horizontally vibrates, the sand 411 is accelerated along with the moving speed of the sand screening plate 41, stone soil with larger weight is screened to the position above the sand 411 under the horizontal vibration force and gradually rolls downwards, when the moving speed in the horizontal direction is higher, the rubber ball 415 can violently collide with the inner wall of the rebound lug 416 and the inner wall of the rubber ring 414 in the rubber ring 414, the larger the collision force is, the larger the deformation degree of the gradually weakened one side of the center of the rubber ring 414 is, the size of the through hole of the sand screening hole 412 is reduced, the flow rate of the sand 411 passing through is reduced, the size of the passing sand 411 is also reduced, for the sand 411 which partially contains water agglomerates, blockage caused by not excluding the sand which also falls into the sand screening hole 412, and during the horizontal vibration process, shock power can shake scattered part, secondly extrusion piece 42 can produce the extrusion force to caking sand 411, double-deck extrusion piece 42 extrudees sand 411, the quality of sieve sand has been strengthened, extrusion piece 42's surface is to sand extrusion back attached to remaining sand easily, rubber ball 415 in the rubber circle 414 produces the impact to the weak one side inner wall of rubber circle 414, ball 423 in the extrusion piece 42 is shaking simultaneously and is being crossed living impact, two strands of impacts make the remaining sand in extrusion piece 42 drop, can not pile up for a long time and cause the jam, the sand that drops from sieve sand hole 412 falls on conveyer belt 2, conveyer belt 2 anticlockwise conveying, the sand 411 that makes the sieve out is piled up and is accomplished sieve sand work.

The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the invention without departing from the spirit of the inventive concept.

Claims

1. The utility model provides a building screening sand machine, includes supporting mechanism (1), conveyer belt (2) and screening sand mechanism (4), its characterized in that: supporting mechanism (1) includes support column (11), the quantity of support column (11) sets up to three groups, three groups the equal fixedly connected with conveyer belt (2) of adjacent side of support column (11), right side the equal fixedly connected with connecting rod (12) of the adjacent side in top of support column (11), the spout has been seted up to the bottom of connecting rod (12), and has slider (13) through the spout sliding connection who sets up, the quantity of slider (13) sets up to two, the equal fixedly connected with screening sand mechanism (4) of slider (13), centre the top fixedly connected with of support column (11) falls husky fill (3).

2. A construction screening machine according to claim 1, wherein: screening sand mechanism (4) are including screening sand board (41), screening sand board (41) adopt the setting of semicircle face, the top of screening sand board (41) is provided with sand (411), screening sand hole (412) have been seted up to the bottom of screening sand board (41), just the quantity of screening sand hole (412) sets up to a plurality ofly, the inside of screening sand hole (412) is seted up flutedly (413), just the quantity of recess (413) sets up to two, the inside fixedly connected with rubber circle (414) of recess (413).

3. A construction screening machine according to claim 2, wherein: the inside of rubber circle (414) is provided with rubber ball (415), the inside of rubber ball (415) is provided with the metal ball, the inner wall of rubber circle (414) is close to one side of recess (413) and is provided with bounce-back lug (416), the outer wall fixedly connected with extrusion piece (42) of rubber circle (414).

4. A construction screening machine according to claim 3, wherein: the inside of extrusion piece (42) is provided with cavity (421), the inside of cavity (421) is provided with separates soft board (422), separate soft board (422) and adopt a plurality of settings, every the top of separating soft board (422) all is provided with ball (423), separate the equal fixedly connected with metal soft piece (424) of one end that rubber circle (414) was kept away from in soft board (422).

5. A construction screening machine according to claim 2, wherein: the inner wall of one side of the center of the rubber ring (414) is reduced in a gradual change mode, and the thinnest part of the rubber ring (414) is half of the thickness of the inner wall of the other side of the center of the rubber ring.