Sand screening device for building construction

Abstract

The utility model discloses a sand screening device for building construction, and relates to the technical field of sand screening for building construction, the sand screening device comprises a device main body and a sand screening mechanism, the sand screening mechanism is arranged on the inner side of the device main body, and by arranging the sand screening mechanism, the telescopic length of a hydraulic lifting rod is adjusted, so that the position of a sand throwing plate is conveniently changed according to the sand amount; sand in the sand storage tank is thrown to the sand screening net through the sand throwing plate, the sand is more dispersed and uniform in the falling process through throwing, when the sand is thrown up through the sand throwing plate, the mass stress of large-particle broken stones mixed in the sand is larger, and therefore the large-particle broken stones are thrown farther than the sand, the large-particle broken stones fall into the collecting bin, and the collecting efficiency is improved. And meanwhile, the sand blocking fan blows air inwards, so that the sand is subjected to outward wind resistance, a large amount of sand is prevented from being thrown into the collecting bin, the sand screening effect is ensured, broken stones entering the collecting bin are screened through the sand filtering screen, and normal sand entering the collecting bin can fall into the sand outlet so as to be taken and used together.

Description

TECHNICAL FIELD

[0001] The utility model relates to building construction sand screening technical field especially relates to a sand screening device for building construction. BACKGROUND

[0002] Building construction refers to the production activity of engineering construction implementation stage, is the building process of all kinds of buildings, also can be said that the various lines on design drawing are changed into the process in the specified place, and the sand is as important material in building construction, and it usually needs to carry out sand screening treatment before use to remove the impurities and the large particles unsuitable for use, thereby improving the quality of building material and the overall performance of engineering.

[0003] The sand screening device for building construction disclosed in the announcement No. CN221453313 U includes a sand screening box, which is the main body shell of the sand screening device for building construction, a first residue discharge hopper is fixedly installed on the side surface of the sand screening box, and a secondary filter plate is fixedly installed on the surface of the first residue discharge hopper. The sand screening plate can be cleaned through the setting of the movable door, and blockage is avoided. However, the traditional sand screening device usually screens a large amount of sand at a time. When a large amount of sand is accumulated on the sand screening plate at a time, the speed of the sand passing through the sand screening plate is reduced, and the large particles of gravel and dust in the sand cannot be quickly removed, resulting in slow overall sand screening speed. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a sand screening device for building construction to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme.

[0006] A sand screening device for building construction includes a device main body and a sand screening mechanism, and the inner side of the device main body is provided with the sand screening mechanism.

[0007] The sand screening mechanism includes a sand throwing assembly and a stone removing assembly, the inner side of the device main body is provided with the sand throwing assembly, and the left side of the device main body is provided with the stone removing assembly.

[0008] Preferably, the sand throwing assembly includes a sand inlet, a sand storage groove, a hydraulic lifting rod, a connecting frame, a servo motor, a driving shaft, a sand throwing plate, and a sand screening net. The right top end of the device main body is provided with the sand inlet, the bottom of the inner side of the device main body is provided with the sand storage groove, the inner wall of the device main body is provided with the hydraulic lifting rod, and the bottom of the hydraulic lifting rod is provided with the connecting frame.

[0009] Preferably, the bottom of the connecting frame is fixedly provided with the servo motor, the inner side of the servo motor is provided with the driving shaft, the outer side of the driving shaft is welded with the sand throwing plate, and the left side of the sand storage groove is provided with the sand screening net.

[0010] Preferably, the sand throwing plate is made of high carbon steel.

[0011] Preferably, the stone removing assembly comprises a collecting bin, a sand blocking fan, a sand filtering screen and a sand outlet, the left side of the device body is provided with the collecting bin, and the top of the collecting bin is provided with the sand blocking fan.

[0012] Preferably, the inner bottom of the collecting bin is provided with the sand filtering screen, and the bottom of the collecting bin is provided with the sand outlet.

[0013] Preferably, the top of the device body is provided with a dust removing assembly, the dust removing assembly comprises a dust removing fan and a dust collecting box, the inner top of the device body is provided with the dust removing fan, and the upper side of the device body is provided with the dust collecting box.

[0014] Compared with the prior art, the device has the advantages that:

[0015] 1. By adjusting the extension length of the hydraulic lifting rod, the position of the sand throwing plate can be changed according to the amount of sand, the sand in the sand storage groove is thrown onto the sand screening net through the sand throwing plate, the sand is more dispersed and uniform when falling due to the throwing, the large particle gravel mixed in the sand is thrown farther due to the greater force on the mass, the large particle gravel falls into the collecting bin, the sand blocking fan blows inward, the sand is subjected to wind resistance outward, a large amount of sand is prevented from being thrown into the collecting bin, the sand screening effect is ensured, the gravel in the collecting bin is screened through the sand filtering screen, the normal sand in the collecting bin falls into the sand outlet, and the sand is taken together.

[0016] 2. By adjusting the extension length of the hydraulic lifting rod, the position of the sand throwing plate can be changed according to the amount of sand, the sand in the sand storage groove is thrown onto the sand screening net through the sand throwing plate, the sand is more dispersed and uniform when falling due to the throwing, the large particle gravel mixed in the sand is thrown farther due to the greater force on the mass, the large particle gravel falls into the collecting bin, the sand blocking fan blows inward, the sand is subjected to wind resistance outward, a large amount of sand is prevented from being thrown into the collecting bin, the sand screening effect is ensured, the sand filtering screen is used for screening the gravel in the collecting bin, the normal sand in the collecting bin falls into the sand outlet, and the sand is taken together. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is an overall front structure schematic view of the device;

[0018] Figure 2 It is an internal structure schematic view of the device body;

[0019] Figure 3 It is a cooperation structure schematic view of the hydraulic lifting rod, the servo motor and the sand throwing plate;

[0020] Figure 4 It is an overall front structure schematic view of the device.

[0021] Explanation of reference signs:

[0022] 1, device body; 2, sand screening mechanism; 21, sand throwing assembly; 211, sand inlet; 212, sand storage groove; 213, hydraulic lifting rod; 214, connecting frame; 215, servo motor; 216, drive shaft; 217, sand throwing plate; 218, sand screening net; 22, stone removing assembly; 221, collection bin; 222, sand blocking fan; 223, sand filtering net; 224, sand outlet; 3, dust removing assembly; 31, dust removing fan; 32, dust collection box. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figures 1-4 Fig. 1 is a kind of sand screening device for construction, including device body 1 and sand screening mechanism 2, the inside of device body 1 is provided with sand screening mechanism 2.

[0025] Sand screening mechanism 2 includes sand throwing assembly 21 and stone removing assembly 22, and the inside of device body 1 is installed sand throwing assembly 21, and the left side of device body 1 is provided with stone removing assembly 22.

[0026] In the present application, sand throwing assembly 21 includes sand inlet 211, sand storage groove 212, hydraulic lifting rod 213, connecting frame 214, servo motor 215, drive shaft 216, sand throwing plate 217 and sand screening net 218, and the right side top of device body 1 is provided with sand inlet 211, and the inside bottom of device body 1 is provided with sand storage groove 212, and the inner wall of device body 1 is installed hydraulic lifting rod 213, and the bottom of hydraulic lifting rod 213 is installed connecting frame 214, and the sand to be screened is poured into sand storage groove 212 through sand inlet 211, and the position of sand throwing plate 217 is changed according to the amount of sand by adjusting the telescopic length of hydraulic lifting rod 213.

[0027] In the application, the bottom end of the connecting frame 214 is fixedly installed with a servo motor 215, the inner side of the servo motor 215 is installed with a driving shaft 216, the outer side of the driving shaft 216 is welded with a sand throwing plate 217, the left side of the sand storage groove 212 is installed with a sand screening net 218, the servo motor 215 is used to rotate the driving shaft 216, so as to drive the sand throwing plate 217 to rotate clockwise, the sand in the sand storage groove 212 is thrown to the sand screening net 218, the sand is more dispersed and uniform when falling through throwing, and meanwhile, large particle gravel and small dust mixed in the sand can be separated, so that the sand screening effect is improved.

[0028] In the application, the sand throwing plate 217 is provided with four groups, the sand throwing plate 217 is made of high-carbon steel, a plurality of groups of sand throwing plates 217 are arranged to improve the continuity of sand throwing, increase the sand screening speed, and increase the wear resistance of the sand throwing plate 217 and prolong the service life thereof.

[0029] In the application, the stone removing assembly 22 includes a collection bin 221, a sand blocking fan 222, a sand filtering screen 223 and a sand outlet 224, the collection bin 221 is installed on the left side of the device body 1, the sand blocking fan 222 is installed on the top end of the collection bin 221, when the sand throwing plate 217 throws the sand, the large particle gravel mixed in the sand is subjected to more stress due to its own mass, so that the large particle gravel is thrown farther than the sand, and falls into the collection bin 221, and meanwhile, the sand blocking fan 222 blows inward, so that the sand is subjected to wind resistance outward, a large amount of sand is prevented from being thrown into the collection bin 221, and the sand screening effect is ensured.

[0030] In the application, the sand filtering screen 223 is installed on the inner bottom end of the collection bin 221, and the sand outlet 224 is arranged on the bottom end of the collection bin 221, the sand filtering screen 223 is used to screen the gravel entering the collection bin 221, so that the normal sand entering the collection bin 221 falls into the sand outlet 224 and is taken together.

[0031] In the application, the dust removing assembly 3 is installed on the top end of the device body 1, the dust removing assembly 3 includes a dust fan 31 and a dust collecting box 32, the dust fan 31 is installed on the inner top end of the device body 1, and the dust collecting box 32 is arranged above the device body 1, the dust fan 31 is used to suck and collect the small dust scattered in the sand throwing process, so as to prevent a large amount of dust from overflowing and polluting the environment.

[0032] Working principle:

[0033] In use, the first step, the device is installed to the required use position, then the sand to be screened is poured into the sand storage groove 212 through the sand inlet 211, and the extension length of the hydraulic lifting rod 213 is adjusted to facilitate changing the position of the sand throwing plate 217 according to the amount of sand. The second step, the driving shaft 216 is rotated through the servo motor 215, thereby driving the sand throwing plate 217 to rotate clockwise, and the sand in the sand storage groove 212 is thrown onto the sand screening net 218, and the sand is more dispersed and uniform when falling through throwing, and meanwhile, the large particle gravel and fine dust mixed in the sand can be separated, so that the sand screening effect is improved. The third step, while the sand is thrown by the sand throwing plate 217, the large particle gravel mixed in the sand is forced more due to its own mass, thereby being thrown farther than the sand, so that the large particle gravel falls into the collection bin 221, and meanwhile, the sand is prevented from being thrown into the collection bin 221 by the sand blocking fan 222 blowing inward, so as to ensure the sand screening effect, and meanwhile, the gravel entering the collection bin 221 is screened through the sand filtering mesh 223, so that the normal sand entering the collection bin 221 can fall into the sand outlet 224, thereby being taken together. The fourth step, the fine dust scattered in the sand throwing process is sucked and collected through the dust removing fan 31, so as to avoid a large amount of dust overflowing and causing environmental pollution, and thus the use of the building construction sand screening device is completed.

[0034] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A sand screening device for construction, comprising a main body and a sand screening mechanism, characterized in that, A sand screening mechanism is provided on the inner side of the main body of the device; The sand screening mechanism includes a sand throwing component and a stone removal component. The sand throwing component is installed on the inner side of the main body of the device, and the stone removal component is provided on the left side of the main body of the device.

2. The sand screening device for construction according to claim 1, characterized in that, The sand-throwing assembly includes a sand inlet, a sand storage tank, a hydraulic lifting rod, a connecting frame, a servo motor, a drive shaft, a sand-throwing plate, and a sand screen. The sand inlet is located at the top right side of the main body of the device, and the sand storage tank is located at the bottom inner side of the main body of the device. A hydraulic lifting rod is installed on the inner wall of the main body of the device, and a connecting frame is installed at the bottom end of the hydraulic lifting rod.

3. The sand screening device for building construction according to claim 2, characterized in that, A servo motor is fixedly installed at the bottom of the connecting frame. A drive shaft is installed inside the servo motor. A sand-throwing plate is welded to the outside of the drive shaft. A sand-screening mesh is installed on the left side of the sand storage tank.

4. The sand screening device for building construction according to claim 3, characterized in that, The sand-throwing plates are provided in four sets, and the sand-throwing plates are made of high-carbon steel.

5. The sand screening device for building construction according to claim 1, characterized in that, The stone removal assembly includes a collection chamber, a sand-blocking fan, a sand filter screen, and a sand outlet. The collection chamber is installed on the left side of the main body of the device, and the sand-blocking fan is installed on the top of the collection chamber.

6. The sand screening device for building construction according to claim 5, characterized in that, A sand filter screen is installed on the inner bottom of the collection chamber, and a sand outlet is provided at the bottom of the collection chamber.

7. The sand screening device for building construction according to claim 1, characterized in that, A dust removal assembly is installed at the top of the main body of the device. The dust removal assembly includes a dust removal fan and a dust collection box. A dust removal fan is installed at the top inner side of the main body of the device, and a dust collection box is located above the main body of the device.

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