CN111112057A

CN111112057A - Screening sand device for construction

Info

Publication number: CN111112057A
Application number: CN201911390680.1A
Authority: CN
Inventors: 苏肇松
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-05-08

Abstract

The invention discloses a sand screening device for building construction, which comprises a box body and a sand screening assembly arranged in the box body, wherein the sand screening assembly comprises a first sieve plate, a second sieve plate and two groups of shaking assemblies which are obliquely arranged on the first sieve plate and the second sieve plate respectively; and a motor for driving the rotating shaft to rotate is fixedly arranged at the top of the box body. According to the invention, the shaking sleeve and the shaking spring are adopted to match with the obliquely arranged sieve plate, so that the sieve plate can shake while rotating, the sand screening effect is further enhanced, and the working efficiency is improved; a plurality of groups of discharging doors are adopted to collect sand in a classified manner, so that the sand is convenient for subsequent use; the annular dust absorption pipe with a plurality of groups of horn-shaped dust absorption openings is adopted and matched with the dust washing fan, so that the adverse effect of dust on operators is effectively reduced, and the environment is favorably improved.

Description

Screening sand device for construction

Technical Field

The invention relates to a sand screening device, in particular to a sand screening device for building construction.

Background

In the building construction process, sand is the most common material, can be divided into types such as fine sand, medium sand and coarse sand according to its particle size generally, and the requirement to the granularity and the homogeneity of sand is different for different engineering construction, therefore need screen sand with the help of screening sand device. The sieve plate of the prior sand sieving device is generally in a fixed structure or a unidirectional movement mode, the sieving effect is not good, the sand using requirement can be met only by sieving for many times, and the working efficiency is not high.

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 building construction comprises a box body and a sand screening assembly arranged in the box body, wherein the sand screening assembly comprises a first sieve plate, a second sieve plate and two groups of shaking assemblies which are obliquely arranged on the first sieve plate and the second sieve plate respectively, the shaking assemblies are in sliding connection with a rotating shaft which is rotatably arranged in the box body, the first sieve plate and the second sieve plate are circumferentially fixed on the rotating shaft through the shaking assemblies, and the second sieve plate is positioned below the first sieve plate; and a motor for driving the rotating shaft to rotate is fixedly arranged at the top of the box body.

As a further scheme of the invention: the fixed feeder hopper that is provided with in one side of box outside, the feeder hopper bottom with the inside UNICOM of box and its top are provided with the feeding door.

As a further scheme of the invention: the pivot both ends are passed through the bearing and are rotated and install inside and be provided with in the pivot with shake the subassembly and form sliding fit's lug, the pivot top is passed the box inner wall with motor fixed connection, the pivot bottom still rotates and is provided with out the flitch.

As a further scheme of the invention: the discharging plate is obliquely arranged in the box body, the lower end of the discharging plate corresponds to a third discharging door arranged on the side wall of the box body, and the discharging plate is rotatably connected with the rotating shaft through a discharging sleeve fixed on the discharging plate and is positioned below the second sieve plate.

As a further scheme of the invention: the shaking assembly comprises shaking sleeves and shaking springs, the shaking sleeves are two groups and are fixedly arranged on the first sieve plate and the second sieve plate respectively, the shaking sleeves are internally provided with sliding chutes connected with the protruding blocks in a sliding mode, the shaking springs are further arranged at the bottoms of the shaking sleeves, the tops of the shaking springs are fixedly connected with the shaking sleeves, and the bottoms of the shaking springs are fixedly arranged on the rotating shafts and fixedly connected with the baffle plates.

As a further scheme of the invention: and the first sieve plate and the second sieve plate are respectively provided with a plurality of groups of first sieve holes and second sieve holes, and the aperture of each first sieve hole is larger than that of each second sieve hole.

As a further scheme of the invention: the upper side wall of the box body is also provided with a second discharging door and a first discharging door, the second discharging door corresponds to the lower end of the second sieve plate and is positioned on one side far away from the third discharging door, and the first discharging door corresponds to the lower end of the first sieve plate and is positioned on the same side as the third discharging door.

As a further scheme of the invention: the feeding door, the second discharging door, the third discharging door and the first discharging door are all provided with hidden handles.

As a further scheme of the invention: the dust collection box is characterized in that a dust collection assembly is further arranged on the box body and comprises an annular dust collection pipe, a dust collection box and a dust collection fan, the dust collection box is fixedly arranged on the outer wall of the box body, the dust collection fan is communicated with the dust collection box, one end, far away from the dust collection box, of the dust collection fan penetrates through the side wall of the box body and is communicated with the annular dust collection pipe arranged inside the box body, the annular dust collection pipe is fixedly arranged at the top of the box body, a plurality of groups of dust collection openings are formed in the annular dust collection pipe, and.

Compared with the prior art, the invention has the beneficial effects that:

by adopting the feeding door and the feeding hopper, dust generated in the sand screening process can be effectively prevented from overflowing the box body, and adverse effects on operators and the environment are avoided; two groups of sieve plates with different sieve pore diameters are adopted, sand can be screened in two stages, and the inclined arrangement facilitates the sliding of the sieve, so that the sand screening effect is enhanced; the shaking sleeve and the shaking spring are adopted to match with the obliquely arranged sieve plate, and the shaking spring is stressed to deform, so that the sieve plate rotates and shakes simultaneously, the sand screening effect is further enhanced, and the working efficiency is improved; a first discharging door, a second discharging door and a third discharging door are adopted to separately collect three groups of sand, so that the sand is convenient to use subsequently; sand screened by the second sieve plate is collected by adopting an obliquely arranged discharging plate and is output through a third discharging door; the hidden handle is adopted, so that the manual operation is convenient, and meanwhile, the phenomenon that the handle protrudes to cause mistaken touch can be avoided; the annular dust absorption pipe with a plurality of groups of horn-shaped dust absorption openings is adopted and matched with the dust washing fan, dust generated in the sand sieving process is absorbed into the dust collection box, subsequent centralized processing is facilitated, adverse effects of the dust on operators are effectively reduced, and the environment is favorably improved.

Drawings

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

Fig. 2 is an enlarged schematic view of a region a in fig. 1.

Fig. 3 is a left side view of the structure of fig. 1.

Fig. 4 is a schematic structural view of a sand sieving assembly in the sand sieving device for building construction.

Fig. 5 is a schematic structural view of a feed gate in the sand sieving device for building construction.

Description of reference numerals:

1-a motor; 2-a feed hopper; 21-a feed gate; 3-a rotating shaft; 31-a baffle; 4-a first screen deck; 41-first sieve pore; 5-a box body; 51-a second discharge door; 52-third discharge door; 53-first discharge door; 6-a second sieve plate; 61-second sieve mesh; 7-discharging plate; 71-a discharge sleeve; 8-a dithering component; 81-shaking sleeve; 82-a wobble spring; 9-a dust collection assembly; 91-ring-shaped dust suction pipe; 92-dust box; 93-dust suction fan.

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 5, in the embodiment of the present invention, a sand screening device for building construction includes a box 5 and a sand screening assembly installed inside the box 5, where the sand screening assembly includes a first sieve plate 4 and a second sieve plate 6, and two sets of shaking assemblies 8 obliquely installed on the first sieve plate 4 and the second sieve plate 6, respectively, the shaking assemblies 8 are slidably connected to a rotating shaft 3 rotatably installed in the box 5, the first sieve plate 4 and the second sieve plate 6 are circumferentially fixed on the rotating shaft 3 through the shaking assemblies 8, and the second sieve plate 6 is located below the first sieve plate 4; the top of the box body 5 is also fixedly provided with a motor 1 for driving the rotating shaft 3 to rotate; motor 1 drive pivot 3 rotates, pivot 3 drives first sieve 4 and the rotation of second sieve 6 through shake subassembly 8, realizes the screening sand function, shake subassembly 8 and drive first sieve 4 and the shake of second sieve 6 in step, reinforcing screening sand effect.

A feed hopper 2 is fixedly arranged on one side of the outer part of the box body 5, the bottom of the feed hopper 2 is communicated with the inner part of the box body 5, and a feed door 21 is arranged at the top of the feed hopper 2; open feed gate 21, throw the material to box 5 inside through feeder hopper 2, feed gate 21 can prevent effectively that the dust that the sieve husky in-process produced from spilling over box 5, avoids producing adverse effect to operating personnel and environment.

3 both ends of pivot are passed through the bearing and are rotated and install inside 5 boxes and be provided with on the pivot 3 and form sliding fit's lug with shake subassembly 8, 5 inner walls of box and motor 1 fixed connection are passed at 3 tops of pivot, 3 bottoms of pivot still rotate and are provided with play flitch 7.

The discharging plate 7 is obliquely arranged inside the box body 5, the lower end of the discharging plate 7 corresponds to the position of a third discharging door 52 arranged on the side wall of the box body 5, the discharging plate 7 is rotatably connected with the rotating shaft 3 through a discharging sleeve 71 fixed on the discharging plate and is positioned below the second sieve plate 6, and sand screened by the second sieve plate 6 is gathered at the third discharging door 52 through the discharging plate 7 and is discharged out of the box body 5 through the third discharging door 52.

The shaking component 8 comprises shaking sleeves 81 and shaking springs 82, the shaking sleeves 81 are two groups in number and are respectively fixedly arranged on the first sieve plate 4 and the second sieve plate 6, sliding chutes in sliding connection with the convex blocks are formed in the shaking sleeves 81, shaking springs 82 are further arranged at the bottoms of the shaking sleeves 81, the tops of the shaking springs 82 are fixedly connected with the shaking sleeves 81, the bottoms of the shaking springs are fixedly connected with the baffle 31 fixedly arranged on the rotating shaft 3, when sand falls on the first sieve plate 4 or the second sieve plate 6, the shaking springs 82 deform and drive the shaking sleeves 81 to shake on the rotating shaft 3, so that the first sieve plate 4 and the second sieve plate 6 are driven to shake up and down, and the screening effect is enhanced.

The first sieve plate 4 and the second sieve plate 6 are respectively provided with a plurality of groups of first sieve holes 41 and second sieve holes 61, the aperture of each first sieve hole 41 is larger than that of each second sieve hole 61, sand with the aperture larger than that of each first sieve hole 41 is reserved by the first sieve holes 41 of the first sieve plate 4, sand which does not meet the requirements falls on the second sieve plate 6 for secondary screening, and sand with the aperture larger than that of each second sieve hole 61 is reserved by the second sieve holes 61 of the second sieve plate 6, and sand which does not meet the requirements falls on the discharging plate 7.

A second discharging door 51 and a first discharging door 53 are further arranged on the upper side wall of the box body 5, the second discharging door 51 corresponds to the lower end of the second sieve plate 6 and is positioned on the side far away from the third discharging door 52, the first discharging door 53 corresponds to the lower end of the first sieve plate 4 and is positioned on the same side as the third discharging door 52, the initial position and the stop position of the first sieve plate 4 and the second sieve plate 6 are the same, and after sand is screened, sand retained on the first sieve plate 4 and the second sieve plate 6 is discharged out of the box body 5 through the first discharging door 53 and the second discharging door 51 respectively.

All be provided with hidden handle on feeding gate 21, second discharge door 51, third discharge door 52 and the first discharge door 53, the manually operation of being convenient for avoids the handle outstanding to lead to the mistake to touch simultaneously.

Example 2

Referring to fig. 1 and 3, in an embodiment of the present invention, in order to reduce dust generated in a sand sieving process and improve a working environment of an operator, on the basis of embodiment 1, a dust collection assembly 9 is further disposed on the box body 5, the dust collection assembly 9 includes an annular dust collection pipe 91, a dust collection box 92 and a dust collection fan 93, the dust collection box 92 is fixedly mounted on an outer wall of the box body 5 and is communicated with the dust collection fan 93, one end of the dust collection fan 93, which is far away from the dust collection box 92, penetrates through a side wall of the box body 5 and is communicated with the annular dust collection pipe 91 disposed inside the box body 5, the annular dust collection pipe 91 is fixedly disposed at the top of the box body 5 and is provided with a plurality of groups of dust collection ports, and the dust collection ports are in an inverted horn shape, so as; when feeding and screening sand, the dust suction fan 93 is started, and the annular dust suction pipe 91 sucks dust generated inside the box body 5 through the dust suction port and collects the dust into the dust collection box 92, so that subsequent centralized treatment is facilitated.

The working principle of the invention is as follows:

when the sand screening device works, the feeding door 21 is opened, the feeding hopper 2 feeds materials into the box body 5, and the feeding door 21 is covered, so that dust generated in the sand screening process is prevented from overflowing the box body 5; starting a motor 1 and a dust collection fan 93, wherein the motor 1 drives a rotating shaft 3 to rotate, the rotating shaft 3 drives a first sieve plate 4 and a second sieve plate 6 to rotate through a shaking sleeve 81, meanwhile, a shaking spring 82 drives the first sieve plate 4 and the second sieve plate 6 to shake up and down through the shaking sleeve 81, the sand screening effect is enhanced, and meanwhile, the dust collection fan 93 collects dust generated inside a box body 5 into a dust collection box 92 through a dust collection port on an annular dust collection pipe 91, so that the influence of the dust on operators is reduced; the first sieve plate 4 retains sand with a large first sieve pore 41 through the first sieve pore 41 and drops the sand which does not meet the requirement on the second sieve plate 6 for secondary screening, and the second sieve plate 6 retains the sand with a larger pore 61 through the second sieve pore 61 and drops the sand which does not meet the requirement on the second sieve plate 7; after screening, turn off motor 1 earlier, stopping of first sieve 4 and second sieve 6 is in initial position, closing dust absorption fan 93 again for the lag time, opens first discharge door 53, second discharge door 51 and third discharge door 52 respectively at last, and the three group's sieves that sieve 4 and second sieve 6 were screened are categorised to be collected, the follow-up use of being convenient for.

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. The sand screening device for building construction comprises a box body (5) and sand screening assemblies arranged inside the box body (5), and is characterized in that the sand screening assemblies comprise a first sieve plate (4), a second sieve plate (6) and two groups of shaking assemblies (8) which are obliquely arranged on the first sieve plate (4) and the second sieve plate (6) respectively, the shaking assemblies (8) are in sliding connection with a rotating shaft (3) which is rotatably arranged in the box body (5), the first sieve plate (4) and the second sieve plate (6) are circumferentially fixed on the rotating shaft (3) through the shaking assemblies (8), and the second sieve plate (6) is positioned below the first sieve plate (4); and a motor (1) for driving the rotating shaft (3) to rotate is fixedly arranged at the top of the box body (5).

2. The sand screening device for building construction according to claim 1, wherein a feed hopper (2) is fixedly provided at one side of the outside of the box body (5), the bottom of the feed hopper (2) is communicated with the inside of the box body (5) and the top thereof is provided with a feed gate (21).

3. The sand screening device for building construction according to claim 1, wherein two ends of the rotating shaft (3) are rotatably mounted inside the box body (5) through bearings, a protruding block which forms a sliding fit with the shaking component (8) is arranged on the rotating shaft (3), the top of the rotating shaft (3) penetrates through the inner wall of the box body (5) and is fixedly connected with the motor (1), and a discharging plate (7) is rotatably arranged at the bottom of the rotating shaft (3).

4. The sand screening device for building construction according to claim 3, wherein the discharge plate (7) is obliquely arranged inside the box body (5) and the lower end of the discharge plate (7) corresponds to the position of a third discharge door (52) arranged on the side wall of the box body (5), and the discharge plate (7) is rotatably connected with the rotating shaft (3) through a discharge sleeve (71) fixed on the discharge plate and is positioned below the second screen plate (6).

5. The sand screening device for building construction according to claim 3, wherein the shaking assembly (8) comprises shaking sleeves (81) and shaking springs (82), the shaking sleeves (81) are two groups in number and are respectively fixedly arranged with the first screen plate (4) and the second screen plate (6), sliding grooves connected with the convex blocks are formed in the shaking sleeves (81) in a sliding mode, the shaking springs (82) are further arranged at the bottoms of the shaking sleeves (81), the tops of the shaking springs (82) are fixedly connected with the shaking sleeves (81), and the bottoms of the shaking springs are fixedly connected with the baffle plates (31) fixedly arranged on the rotating shaft (3).

6. The sand screening device for building construction according to claim 5, wherein the first screen plate (4) and the second screen plate (6) are respectively provided with a plurality of groups of first screen holes (41) and second screen holes (61)) and the aperture of the first screen hole (41) is larger than that of the second screen hole (61)).

7. The sand screening device for building construction according to claim 4, wherein a second discharging door (51) and a first discharging door (53) are further arranged on the upper side wall of the box body (5), the second discharging door (51) corresponds to the lower end of the second screen plate (6) and is positioned on the side far away from the third discharging door (52), and the first discharging door (53) corresponds to the lower end of the first screen plate (4) and is positioned on the same side of the third discharging door (52).

8. The sand screening device for building construction according to claim 7, wherein the feed door (21), the second discharge door (51), the third discharge door (52) and the first discharge door (53) are provided with concealed handles.

9. The sand screening device for building construction according to claim 1, wherein a dust collection assembly (9) is further arranged on the box body (5), the dust collection assembly (9) comprises an annular dust collection pipe (91), a dust collection box (92) and a dust collection fan (93), the dust collection box (92) is fixedly arranged on the outer wall of the box body (5) and is communicated with the dust collection fan (93), one end, far away from the dust collection box (92), of the dust collection fan (93) penetrates through the side wall of the box body (5) and is communicated with the annular dust collection pipe (91) arranged inside the box body (5), the annular dust collection pipe (91) is fixedly arranged at the top of the box body (5) and is provided with a plurality of groups of dust collection ports, and the dust collection ports are in an inverted horn shape.