CN216910946U - Grit sieving mechanism for building engineering - Google Patents

Abstract

The utility model belongs to the technical field of gravel screening, in particular to a gravel screening device for constructional engineering, which comprises a screening box, a feed inlet, a screening component and a supporting component, wherein the feed inlet is fixedly connected with the top end of the screening box, the screening component is positioned in the screening box, the supporting component is fixedly connected with the bottom end of the screening box, under the coordination of a motor and a cam, the device generates vibration, standard gravel larger than the standard gravel is filtered onto a second screen through a first screen by matching a first screen and a second screen, then the gravel which does not accord with the standard is conveyed to a discharge port through the first discharge port and a second discharge port and is discharged, the standard gravel passes through a guide plate and a third discharge port, the screening work efficiency is effectively improved, the vibration generated on the ground when equipment runs can be effectively relieved through a shock pad, and a plurality of springs and telescopic rods are supported, the screening subassembly of being convenient for carries out screening work.

Description

Grit sieving mechanism for building engineering

Technical Field

The utility model belongs to the technical field of sand screening, and particularly relates to a sand screening device for constructional engineering.

Background

The sand and stone screening machine is a device for screening sand and stone for building construction, the sand and stone are screened by a screen in a grading way, so that the sand and stone with different sizes can be ensured to be used as much as possible, the firmness degree of a building can be ensured after the sand and stone are screened, the building grade can reach the national standard building requirement, therefore, the sand and stone screening machine has an important function in building construction, the particle diameter of the sand and stone directly determines whether the quality of the stirred concrete is qualified or not, the sand and stone which are just transported to a construction site need to be filtered and screened, the existing sand and stone screening device for building engineering has a simple structure, the manual lifting and shaking screening is needed, the time and labor are wasted, the screening efficiency is low, a large amount of dust can also appear when the screening is carried out, parts for automatic vibration filtering are lacked, most of the equipment only carries out one-time sand and stone screening, therefore, a plurality of gravels meeting the screening requirements can be leaked, the screening effect of the gravels is greatly reduced, various requirements of the building are not in accordance with the standards, and potential safety hazards are buried for the building.

Therefore, the sand and stone screening device for the constructional engineering is designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a sand and stone screening device for constructional engineering, which can effectively improve the screening work efficiency, reduce the labor intensity of operators and improve the screening accuracy.

In order to achieve the purpose, the utility model provides the following technical scheme: a gravel screening device for constructional engineering comprises a screening box, a feeding hole and a screening assembly, wherein the feeding hole is fixedly connected with the top end of the screening box;

the screening subassembly includes first sieve, the second sieve, first discharge gate, the second discharge gate, stock guide and third discharge gate, the first sieve of inside top fixedly connected with of screening case, the one end of first sieve just is located the first discharge gate of one side fixedly connected with of screening case, the below of first sieve just is located screening incasement fixedly connected with second sieve, the one end of second sieve just is located one side fixedly connected with second discharge gate of screening case, the below of second sieve just is located screening incasement fixedly connected with stock guide, the one end of stock guide just is located one side fixedly connected with third discharge gate of screening case.

The sand and stone screening device for the building engineering is preferable, and further comprises a supporting component fixedly connected and arranged at the bottom end of the screening box, the supporting component comprises a bottom plate, supporting columns, telescopic rods and springs, the top end of the bottom plate is fixedly connected with one ends of the supporting columns, the other ends of the supporting columns are fixedly connected with one ends of the telescopic rods, the other ends of the telescopic rods are fixedly connected with the bottom end of the screening box, and the springs are sleeved on the outer circles of the telescopic rods.

Preferably, the screening assembly further comprises a motor and a cam, the bottom end of the screening box is fixedly connected with the motor, and the output end of the motor is fixedly connected with the cam.

Preferably, the screening assembly further comprises a baffle and atomizing nozzles, a plurality of groups of atomizing nozzles which are distributed at equal intervals are fixedly mounted on the inner wall of the screening box respectively, and one side of each atomizing nozzle is fixedly connected with the baffle.

As the sand screening device for the building engineering, the meshes of the first sieve plate are larger than the meshes of the second sieve plate, and the first sieve plate and the second sieve plate are inclined towards one side.

Preferably, the support assembly further comprises a plurality of shock absorption pads, the bottom end of the bottom plate is uniformly distributed with the shock absorption pads, and the ground of each shock absorption pad is provided with anti-skid grains.

Preferably, the telescopic rod is a telescopic hollow cylindrical rod formed by rolling a metal strip, and the solid part is slidably connected in the hollow part.

Compared with the prior art, the utility model has the beneficial effects that:

1. this kind of grit sieving mechanism for building engineering, under the cooperation of motor and cam, under the effect of the centrifugal force of cam, make the device pass through and produce the vibration, cooperation through first sieve and second sieve, be greater than standard grit through first screen cloth and filter the second screen cloth on the standard grit, rethread second screen cloth will be greater than standard grit and sieve, then export the grit that will not conform to the standard through first discharge gate and second and convey the bin outlet and discharge, the grit with the standard is discharged through stock guide and third discharge gate, screening work efficiency has effectively been improved, operator intensity of labour has been reduced, and the screening accuracy has been improved.

2. Through the setting of supporting component, through the shock pad that sets up, can effectively alleviate equipment in the vibrations that ground produced when the operation, the support of a plurality of springs and telescopic link is convenient for screen the subassembly and is carried out screening work.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

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

FIG. 2 is a schematic structural view of a first discharge port, a second discharge port and a screening box in the present invention;

FIG. 3 is a schematic view of a support assembly according to the present invention;

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

in the figure:

1. a screening box; 2. feed inlet

3. A screening component; 31. a first screen deck; 32. a second screen deck; 33. a first discharge port; 34. a second discharge port; 35. a material guide plate; 36. a third discharge port; 37. a motor; 371. a cam; 38. a baffle plate; 39. an atomizing nozzle;

4. a support assembly; 41. a base plate; 42. a shock pad; 43. a support pillar; 44. a telescopic rod; 45. a spring.

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.

As shown in fig. 1:

the utility model provides a grit sieving mechanism for building engineering, includes screening case 1 and is located 1 top fixed connection's of screening case feed inlet 2.

In this embodiment: present sandstone sieving mechanism for building engineering, most equipment only carry out the screening of disposable filtration formula to the grit, will lead to a lot of grit that accord with the screening requirement to leak the sieve like this, greatly reduced the screening efficiency of grit.

It should be noted that: when screening, dust fall work should be done, prevent that a large amount of dust that appears from causing the pollution to the air when screening.

As shown in fig. 1, fig. 2 and fig. 4:

in combination with the above, the screening box also comprises a screening assembly 3 positioned in the screening box 1, wherein the screening assembly 3 comprises a first screening deck 31, a second screening deck 32 and a first discharge port 33, second discharge gate 34, stock guide 35 and third discharge gate 36, the first sieve 31 of inside top fixedly connected with of screening case 1, the one end of first sieve 31 and the first discharge gate 33 of one side fixedly connected with that is located screening case 1, the below of first sieve 31 and the fixedly connected with second sieve 32 that is located screening case 1, the one end of second sieve 32 and the one side fixedly connected with second discharge gate 34 that is located screening case 1, the below of second sieve 32 and the fixedly connected with stock guide 35 that is located screening case 1, the one end of stock guide 35 and the one side fixedly connected with third discharge gate 36 that is located screening case 1, the bottom fixedly connected with motor 37 of screening case 1, the output fixed connection cam 371 of motor 37.

In this embodiment: when dividing the sieve, starter motor 37, and then drive cam 371 and rotate, pour the grit into from feed inlet 2, cooperation through first sieve 31 and second sieve 32, be greater than standard grit through first sieve 31 and filter the second sieve 32 on, rethread second sieve 32 will be greater than standard grit and sieve, then convey the bin outlet through first discharge gate 33 and second discharge gate 34 will not be conform to the grit of standard and discharge, the grit with the standard is through stock guide 35 and 36 discharges of third discharge gate, effectively improve screening work efficiency, operator intensity of labour has been reduced, and the screening accuracy has been improved.

It should be understood that: the mesh of first sieve 31 is greater than the mesh of second sieve 32, and all sets up towards a lopsidedness, is convenient for through this setting to discharge through first sieve 31 and second sieve 32 the granule that will not conform to the mark vertebra through first discharge gate 33 and second discharge gate 34, and first discharge gate 33 and the crisscross setting of second discharge gate 34, through this setting, is convenient for divide the grit that is not conform to the mark vertebra of selecting out to separate and collect.

It should be noted that: respectively fixed mounting has the atomizing nozzle 39 of multiunit equidistant distribution on the inner wall of screening case 1, one side fixed connection of atomizing nozzle 39 is equipped with baffle 38, carry the atomizing nozzle 39 with outside water through the water pump and spout into in the screening case 1 through atomizing after, the dust that the atomizing water can fly apart in will screening case 1 subsides fast and avoids producing dust pollution, the baffle 38 of setting can avoid grit to strike atomizing nozzle 39, and then improve atomizing nozzle 39's life.

As shown in fig. 1, fig. 3 and fig. 4:

combine above-mentioned content, still include the supporting component 4 that is located screening case 1 bottom fixed connection setting, supporting component 4 includes bottom plate 41, support column 43, telescopic link 44 and spring 45, the one end of a plurality of support columns 43 of top fixed connection of bottom plate 41, the one end of the equal fixedly connected with telescopic link 44 of the other end of a plurality of support columns 43, the bottom of the other end fixed connection screening case 1 of a plurality of telescopic links 44, and the excircle of a plurality of telescopic links 44 all overlaps and is equipped with spring 45.

In this embodiment: through the cooperation support of a plurality of springs 45 and telescopic link 44 (the scalable hollow cylinder pole that forms is rolled up by the metal strip, and but solid portion sliding connection is in hollow portion), the one end of a plurality of support columns 43 of top fixed connection of bottom plate 41, the one end of the equal fixedly connected with telescopic link 44 of the other end of a plurality of support columns 43, the screening subassembly 3 of being convenient for carries out screening work.

It should be understood that: a plurality of shock absorbing pads 42 are uniformly distributed at the bottom end of the bottom plate 41, and anti-skid lines are arranged on the ground of the shock absorbing pads 42, so that the shock generated during the operation of the equipment can be effectively reduced, and meanwhile, the anti-skid function is achieved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a grit sieving mechanism for building engineering, includes screening case (1) and is located screening case (1) top fixed connection's feed inlet (2), its characterized in that: also comprises a screening assembly (3) located inside the screening box (1);

the screening component (3) comprises a first screening plate (31), a second screening plate (32), a first discharge hole (33), a second discharge hole (34), a material guide plate (35) and a third discharge hole (36), a first sieve plate (31) is fixedly connected with the top end inside the screening box (1), a first discharge hole (33) is fixedly connected with one end of the first sieve plate (31) and positioned at one side of the screening box (1), a second sieve plate (32) is fixedly connected below the first sieve plate (31) and positioned in the screening box (1), one end of the second sieve plate (32) is fixedly connected with a second discharge hole (34) at one side of the screening box (1), a material guide plate (35) is fixedly connected below the second sieve plate (32) and positioned in the sieving box (1), one end of the material guide plate (35) is fixedly connected with a third material outlet (36) on one side of the screening box (1).

2. The sand screening device for the constructional engineering according to claim 1, characterized in that: still including being located screening case (1) bottom fixed connection sets up supporting component (4), supporting component (4) include bottom plate (41), support column (43), telescopic link (44) and spring (45), the one end of a plurality of support columns of top fixed connection (43) of bottom plate (41) is a plurality of the one end of the equal fixedly connected with telescopic link (44) of the other end of support column (43), a plurality of the bottom of the other end fixed connection screening case (1) of telescopic link (44), and a plurality of the excircle of telescopic link (44) is all overlapped and is equipped with spring (45).

3. The sand screening device for the constructional engineering according to claim 1, characterized in that: screening subassembly (3) still include motor (37) and cam (371), the bottom fixedly connected with motor (37) of screening case (1), output fixed connection cam (371) of motor (37).

4. The sand screening device for the constructional engineering according to claim 1, characterized in that: screening subassembly (3) still include baffle (38) and atomizing nozzle (39), on the inner wall of screening case (1) respectively fixed mounting have the atomizing nozzle (39) of the equidistant distribution of multiunit, one side fixed connection of atomizing nozzle (39) is equipped with baffle (38).

5. The sand screening device for the constructional engineering according to claim 1, characterized in that: the meshes of the first sieve plate (31) are larger than the meshes of the second sieve plate (32), and are all obliquely arranged towards one side.

6. The sand screening device for the constructional engineering according to claim 2, characterized in that: the supporting component (4) further comprises a shock absorption pad (42), a plurality of shock absorption pads (42) are uniformly distributed at the bottom end of the bottom plate (41), and anti-skidding lines are arranged on the ground of the shock absorption pads (42).

7. The sand screening device for the constructional engineering according to claim 2, characterized in that: the telescopic rod (44) is a telescopic hollow cylindrical rod rolled by a metal strip, and the solid part is slidably connected in the hollow part.

Images