Energy-saving sand screening device for building construction

Abstract

The utility model relates to the technical field of building construction, and discloses an energy-saving sand screening device for building construction, which comprises a screening box, four supporting legs are fixedly arranged on the bottom surface of the screening box and are uniformly distributed on the bottom surface of the periphery of the screening box, and a feeding and discharging mechanism is fixedly arranged on the side surface of the screening box. A screening mechanism is fixedly arranged in the screening box; the feeding and discharging mechanism comprises a feeding part and a discharging part; the bottom surface of the feeding part is fixedly connected with the top surface of the discharging part in a penetrating manner; the discharging part comprises a discharging channel, and the top face of the discharging channel is fixedly connected with the bottom face of the screening box in a penetrating mode. According to the sand screening device, the feeding and discharging mechanism is arranged, and a discharging channel and a box door are arranged to work cooperatively, so that when sand is screened, large-particle sand can stay on the surface of a screening net, the large-particle sand is collected and taken through the box door, and small-particle sand can directly penetrate through the screening net and is discharged through the discharging channel.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to an energy-saving sand screening device for building construction. Background Art

[0002] Sand refers to tiny stone particles, which are an indispensable building material in construction. Sand can be used to prepare concrete. The preparation of concrete has certain requirements on the particle size of sand. Therefore, the sand needs to be screened before use, and a sand screening device for construction is needed.

[0003] A Chinese patent discloses an energy-saving sand screening device for construction, with the publication number CN216857341U, comprising a sand screening box body, and also comprising: a support frame, the support frame is connected to the lower end side surface of the sand screening box body; a sand inlet frame body, the bottom of the sand inlet frame body is through-connected to the upper end surface of the sand screening box body; a sand outlet, the sand outlet is arranged at the lower end position of the sand screening box body, and its sand screening drive mechanism automatically screens the sand, thereby effectively improving the efficiency of sand screening, and can easily prevent the filter frame from being blocked by an anti-blocking mechanism, thereby making the energy-saving sand screening device for construction work more stably.

[0004] However, there are still the following disadvantages: the energy-saving sand screening device for construction cannot quickly classify and collect sand particles of different sizes after sand screening during use, so an energy-saving sand screening device for construction is designed. Utility Model Content

[0005] The purpose of the utility model is to provide an energy-saving sand screening device for construction to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an energy-saving sand screening device for construction includes a screening box, the bottom surface of the screening box is fixedly provided with supporting legs, the number of the supporting legs is four and they are evenly distributed on the bottom surface around the screening box, the side of the screening box is fixedly provided with a feeding and discharging mechanism, and the inside of the screening box is fixedly provided with a screening mechanism;

[0007] The feeding and discharging mechanism comprises a feeding part and a discharging part, and the bottom surface of the feeding part and the top surface of the discharging part are fixedly connected through each other;

[0008] The discharge part comprises a discharge channel, the top surface of the discharge channel and the bottom surface of the screening box are fixedly connected, and a box door is sealed on the inner wall of the right end of the screening box;

[0009] The screening mechanism comprises a screening part and a power part, and the bottom surface of the power part and the top surface of the screening part are fixedly connected;

[0010] The power unit comprises a device plate, and the front and rear end surfaces of the screening box are respectively fixedly connected to the back surfaces of two device plates.

[0011] Preferably, two fixed plates are fixedly provided on the right sides of the front and rear ends of the screening box, respectively, and rotating rods are provided inside the two fixed plates, and the surfaces of the rotating rods are rotatably connected to the inner walls of the two fixed plates by bearings.

[0012] Preferably, a handle is fixedly provided on the front of the rotating rod, a moving block is fixedly sleeved on the surface of the rotating rod, a discharge box is fixedly provided on the top surface of the moving block, and the front of the box door and the inner wall of the screening box are hinged by a hinged rod.

[0013] Preferably, a handle is fixedly provided on the right side of the back end of the box door, a connecting plate is fixedly provided on the right side of the screening box, a clamping plate is provided inside the connecting plate, and the surface of the clamping plate is respectively in sealing contact with the connecting plate and the inner wall of the handle.

[0014] Preferably, a motor is fixedly installed on the top surface of the device plate at the front end, the bottom surface of the motor output rod penetrates the top surface of the device plate and extends to the inside of the device plate, a threaded rod is fixedly installed on the bottom surface of the motor output rod, and the surface of the threaded rod and the inner wall of the device plate are rotatably connected by a bearing.

[0015] Preferably, a limit rod is fixedly provided on the inner wall of the device plate at the rear end, a connecting rod is threadedly sleeved on the surface of the threaded rod, the inner wall of the connecting rod at the rear end and the surface of the limit rod are frictionally and slidingly connected, and the two connecting rod surfaces are in frictional and sliding contact with the inner wall of the screening box.

[0016] Preferably, screening plates are fixedly provided on the front and rear end faces of the two connecting rods, a screening mesh is fixedly provided on the inner wall of the screening plate, the side surface of the screening plate is in frictional sliding contact with the inner wall of the screening box, and a baffle is fixedly provided on the top surface of the left end of the screening box.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The energy-saving sand screening device for construction is provided with a feeding and discharging mechanism, and the discharging channel and the box door cooperate to make the large particles of sand stay on the surface of the screening net when screening the sand, and the large particles of sand are collected and taken out through the box door, and the small particles of sand can be directly discharged through the screening net and the discharging channel;

[0019] 2. The energy-saving sand screening device for construction is provided with a rotating handle and a rotating rod, so that the material box can be deflected at an angle, so that the sand to be screened can be automatically dumped onto the surface of the screening net for screening operation, and can be protected by a baffle to prevent dumping and overflow;

[0020] 3. The energy-saving sand screening device for construction is provided with a screening mechanism, and the cooperation of a motor and a threaded rod is provided, and the auxiliary action of a limit rod is used to enable the screening plate and the screening net to move up and down, thereby performing mobile screening on the surface of the screening net, thereby improving the screening efficiency and effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional schematic diagram of the front structure of the utility model;

[0022] Figure 2 It is a three-dimensional schematic diagram of the right side structure of the utility model;

[0023] Figure 3 It is a three-dimensional schematic diagram of the back structure of the utility model;

[0024] Figure 4 It is a three-dimensional cross-sectional schematic diagram of the right side structure of the utility model;

[0025] Figure 5 For this utility model Figure 2 A three-dimensional enlarged schematic diagram of the structure of area A in the middle.

[0026] In the figure: 1. screening box; 2. supporting legs; 3. feeding and discharging mechanism; 301. fixing plate; 302. turning handle; 303. rotating rod; 304. moving block; 305. unloading box; 306. discharging channel; 307. box door; 308. handle; 309. connecting plate; 310. clamping plate; 4. screening mechanism; 401. installation plate; 402. motor; 403. threaded rod; 404. limiting rod; 405. connecting rod; 406. screening plate; 407. screening net; 408. baffle. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Embodiment 1

[0029] See also Figure 1-Figure 5As shown, an energy-saving sand screening device for construction comprises a screening box 1, the bottom of the screening box 1 is wide inlet and narrow outlet, the bottom surface of the screening box 1 is fixedly provided with supporting legs 2, the number of supporting legs 2 is four and they are evenly distributed on the bottom surface around the screening box 1, a feeding and discharging mechanism 3 is fixedly provided on the side of the screening box 1, and a screening mechanism 4 is fixedly provided inside the screening box 1; the feeding and discharging mechanism 3 comprises a feeding part and a discharging part, the bottom surface of the feeding part and the top surface of the discharging part are fixedly connected; the discharging part comprises a discharging channel 306, the top surface of the discharging channel 306 and the bottom surface of the screening box 1 are fixedly connected, and a box door 307 is sealed on the inner wall at the right end of the screening box 1; the screening mechanism 4 comprises a screening part and a power part, the bottom surface of the power part and the top surface of the screening part are fixedly connected; the power part comprises a device plate 401, and the front and rear end surfaces of the screening box 1 are respectively fixedly connected to the backs of the two device plates 401;

[0030] During operation, the screening box 1 is placed firmly by the four supporting legs 2 , and the sand to be screened is poured into the discharge box 305 .

[0031] Furthermore, two fixed plates 301 are fixedly arranged on the right sides of the front and rear ends of the screening box 1, and rotating rods 303 are arranged inside the two fixed plates 301. The surfaces of the rotating rods 303 are rotatably connected to the inner walls of the two fixed plates 301 by bearings.

[0032] During operation, the handle 302 is rotated to rotate the rotating rod 303, and the material box 305 is driven to bend at an angle through the moving block 304.

[0033] Further, a handle 302 is fixedly provided on the front of the rotating rod 303, a moving block 304 is fixedly sleeved on the surface of the rotating rod 303, a material discharge box 305 is fixedly provided on the top surface of the moving block 304, and the front of the box door 307 and the inner wall of the screening box 1 are hinged by a hinge rod;

[0034] During operation, the handle 302 is rotated to rotate the rotating rod 303, and the material box 305 is driven to bend at an angle through the moving block 304.

[0035] Further, a handle 308 is fixedly provided on the right side of the back end of the box door 307, a connecting plate 309 is fixedly provided on the right side of the screening box 1, a clamping plate 310 is provided inside the connecting plate 309, and the clamping plate 310 is T-shaped, and the surface of the clamping plate 310 is sealed and in contact with the inner wall of the connecting plate 309 and the handle 308 respectively;

[0036] During operation, the box door 307 is flipped open along the hinged rod to collect and process the gravel and large-grained sand on the surface of the screening net 407 .

[0037] Further, a motor 402 is fixedly arranged on the top surface of the front device plate 401, and the model of the motor 402 is Y2-112M-6. The bottom surface of the output rod of the motor 402 penetrates the top surface of the device plate 401 and extends to the inside of the device plate 401. A threaded rod 403 is fixedly arranged on the bottom surface of the output rod of the motor 402, and the surface of the threaded rod 403 and the inner wall of the device plate 401 are rotatably connected by a bearing;

[0038] During operation, the motor 402 is started to rotate the threaded rod 403 .

[0039] Further, a limit rod 404 is fixedly provided on the inner wall of the rear end device plate 401, a connecting rod 405 is threadedly sleeved on the surface of the threaded rod 403, the inner wall of the rear end connecting rod 405 and the surface of the limit rod 404 are frictionally slidably connected, and the surfaces of the two connecting rods 405 are in frictionally slidably contact with the inner wall of the screening box 1;

[0040] During operation, the threaded rod 403 rotates, and the limiting auxiliary function of the limiting rod 404 causes the connecting rod 405 to drive the screening plate 406 to reciprocate up and down.

[0041] Furthermore, the front and rear end surfaces of the two connecting rods 405 are fixedly provided with screening plates 406, the inner wall of the screening plates 406 is fixedly provided with screening nets 407, the side surface of the screening plates 406 is in frictional sliding contact with the inner wall of the screening box 1, and the top surface of the left end of the screening box 1 is fixedly provided with a baffle 408;

[0042] During operation, the connecting rod 405 drives the screening plate 406 to reciprocate up and down, and the baffle 408 is used to protect it from overflow. Sand of different sizes passes through the screening net 407 and its continuous vibration, and the screening work is performed quickly. Large particles of sand and gravel remain on the surface of the screening net 407, and small particles of sand pass through the screening net 407 and are discharged through the discharge channel 306 for centralized collection.

[0043] Working principle: When in use, first place the screening box 1 firmly through the four supporting legs 2, pour the sand to be screened into the lower material box 305, start the motor 402, so that the threaded rod 403 rotates, and through the limiting auxiliary effect of the limiting rod 404, the connecting rod 405 drives the screening plate 406 to reciprocate up and down, turn the handle 302, so that the rotating rod 303 rotates, and the lower material box 305 is driven to deflect the angle through the moving block 304, and the sand inside is poured onto the screening net. The surface of the screening net 407 is protected from overflow by the baffle 408. Sand of different sizes passes through the screening net 407 and its continuous vibration for rapid screening. Large sand and gravel particles remain on the surface of the screening net 407, and small sand particles pass through the screening net 407 and are discharged through the discharge channel 306 for centralized collection. The card plate 310 is slid so that the card plate 310 no longer blocks the handle 308, and the box door 307 is flipped open along the hinged rod to collect and process the large gravel and sand particles on the surface of the screening net 407.

[0044] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An energy-saving sand screening device for construction, comprising a screening box (1), characterized in that: The bottom surface of the screening box (1) is fixedly provided with support legs (2), the number of the support legs (2) is four and they are evenly distributed around the bottom surface of the screening box (1), a material inlet and outlet mechanism (3) is fixedly provided on the side of the screening box (1), and a screening mechanism (4) is fixedly provided inside the screening box (1); The feeding and discharging mechanism (3) comprises a feeding part and a discharging part, wherein the bottom surface of the feeding part and the top surface of the discharging part are fixedly connected through each other; The discharge part comprises a discharge channel (306), the top surface of the discharge channel (306) and the bottom surface of the screening box (1) are fixedly connected, and the inner wall of the right end of the screening box (1) is sealed with a box door (307); The screening mechanism (4) comprises a screening part and a power part, wherein the bottom surface of the power part and the top surface of the screening part are fixedly connected; The power unit comprises a device plate (401), and the front and rear end surfaces of the screening box (1) are respectively fixedly connected to the back surfaces of two device plates (401).

2. The energy-saving sand screening device for construction according to claim 1 is characterized in that: Two fixed plates (301) are fixedly arranged on the right sides of the front and rear ends of the screening box (1), and rotating rods (303) are arranged inside the two fixed plates (301). The surfaces of the rotating rods (303) are rotatably connected to the inner walls of the two fixed plates (301) via bearings.

3. The energy-saving sand screening device for construction according to claim 2 is characterized in that: A turning handle (302) is fixedly arranged on the front of the rotating rod (303), a moving block (304) is fixedly sleeved on the surface of the rotating rod (303), a material discharge box (305) is fixedly arranged on the top surface of the moving block (304), and the front of the box door (307) and the inner wall of the screening box (1) are hingedly connected by a hinge rod.

4. The energy-saving sand screening device for construction according to claim 1 is characterized in that: A handle (308) is fixedly provided on the right side of the back end of the box door (307), a connecting plate (309) is fixedly provided on the right side of the screening box (1), a clamping plate (310) is provided inside the connecting plate (309), and the surface of the clamping plate (310) is in sealing contact with the inner wall of the connecting plate (309) and the handle (308) respectively.

5. The energy-saving sand screening device for construction according to claim 1 is characterized in that: A motor (402) is fixedly arranged on the top surface of the device plate (401) at the front end, and the bottom surface of the output rod of the motor (402) penetrates the top surface of the device plate (401) and extends into the inside of the device plate (401). A threaded rod (403) is fixedly arranged on the bottom surface of the output rod of the motor (402), and the surface of the threaded rod (403) and the inner wall of the device plate (401) are rotatably connected by a bearing.

6. The energy-saving sand screening device for construction according to claim 5 is characterized in that: A limiting rod (404) is fixedly arranged on the inner wall of the device plate (401) at the rear end, a connecting rod (405) is threadedly sleeved on the surface of the threaded rod (403), the inner wall of the connecting rod (405) at the rear end is frictionally and slidably connected to the surface of the limiting rod (404), and the surfaces of the two connecting rods (405) are in frictionally and slidably contact with the inner wall of the screening box (1).

7. The energy-saving sand screening device for construction according to claim 6 is characterized in that: Screen plates (406) are fixedly provided on the front and rear end surfaces of the two connecting rods (405), a screen net (407) is fixedly provided on the inner wall of the screen plate (406), the side surface of the screen plate (406) is in frictional sliding contact with the inner wall of the screen box (1), and a baffle (408) is fixedly provided on the top surface of the left end of the screen box (1).

Images