CN214918188U

CN214918188U - Sand sieving mechanism for municipal construction

Info

Publication number: CN214918188U
Application number: CN202121760447.0U
Authority: CN
Inventors: 魏明
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2021-11-30
Anticipated expiration: 2031-07-30

Abstract

The utility model discloses a sand screening device for municipal construction, which comprises a screening box and a bottom plate, wherein the upper end in the screening box is provided with a screen bucket, a telescopic part is arranged between one side of the screen bucket and the inner wall of the screening box, the other side of the screen bucket is fixedly connected with a push rod extending to the outside of the screening box, the surface of the push rod is sleeved with a reset part, one end of the push rod positioned at the outside of the screening box is provided with a cam, the upper side of the cam is connected with a motor, the lower end of the screen bucket is equidistantly provided with a screen plate with gradually reduced aperture, the middle part of the bottom side of the screen plate is provided with a vibrating motor, the two sides of the screening box are equidistantly provided with discharge ports, the two ends of the screen plate respectively extend to the outside of the screening box through the discharge ports, the bottom sides of the two ends of the screen plate and the discharge ports are respectively fixed with a buffer spring, the outer sides of the screening box between the two discharge ports are fixedly connected with a support frame and the upper side of the support frame, both ends and the middle part of the upper side of the bottom plate are provided with placing grooves, and receiving trolleys are arranged inside the placing grooves; the sand screening device has the advantages that sand screening is realized for many times, sand screening quality and speed are improved, and municipal construction period is shortened.

Description

Sand sieving mechanism for municipal construction

Technical Field

The utility model relates to a municipal construction field especially relates to a sand sieving mechanism for municipal construction.

Background

The sand is generally fine stone particles or is shaped like sand, is used as a main material for building, road repairing, filtering, breeding and beautifying, is used as a smelting quick-dissolving agent, is also used as a main material for manufacturing glass, can be used as a boxing sand bag, a flood control sand bag and the like besides a sand pool in sports, and is required to be screened before the sand is used, so that the sands with different diameters can be selected according to municipal construction positions.

The sand screening device has the advantages that the existing sand screening device is simple in structure, can only screen sand with two types of thicknesses, is poor in screening quality and low in screening speed, prolongs the municipal construction period, and provides the sand screening device for municipal construction.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a sand sieving mechanism for municipal construction to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model adopts the following technical scheme: a sand screening device for municipal construction comprises a screening box and a bottom plate fixedly connected with the bottom end of the screening box, wherein a sealed box door capable of moving left and right is arranged on the surface of the screening box, a screening hopper is arranged at the upper end in the screening box, telescopic parts are symmetrically connected between one side of the screening hopper and the inner wall of the screening box, a push rod is fixedly connected to the other side of the screening hopper, the push rod extends to the outside of the screening box in a sliding manner, a reset part is sleeved on the surface of the push rod, a cam is arranged at one end of the push rod positioned on the outside of the screening box, and a motor is connected to the upper side of the cam;

sieve plates with sequentially reduced apertures are equidistantly arranged at the lower end of the sieve hopper, the middle parts of the bottom sides of the sieve plates are connected with a vibration motor, discharge ports penetrate through two sides of the lower end of the screening box at equal intervals, two ends of each sieve plate extend to the outside of the screening box through the discharge ports respectively, and buffer springs are fixed between the bottom sides of the two ends of each sieve plate and the bottom walls of the discharge ports;

two the equal rigid coupling in screening case outside between the discharge gate has the support frame, the upside of support frame, the upside both ends of bottom plate and middle part all are equipped with the standing groove, the standing groove is inside all to slide to be equipped with and connects the material shallow.

Preferably, the piece that resets includes that the symmetry sets up the reset spring on push rod surface, and two reset springs are located the inside and outside of screening case respectively, two reset spring looks remote site and screening incasement outer wall rigid coupling, and its other end all with push rod surface rigid coupling.

Preferably, the sieve is V style of calligraphy sieve, and both ends downward sloping extends to the screening case outside.

Preferably, the sieve hopper surface is provided with a sealing type sieve hopper door moving upwards, and the surfaces of the box door and the sieve hopper door are both provided with pushing handles.

Preferably, the two ends of the bottom side of the bottom plate are both connected with universal wheels, retractors fixedly connected with the bottom side of the bottom plate are symmetrically arranged between the two universal wheels, and the bottom ends of the retractors are fixedly connected with fixing plates.

Preferably, the extensible member includes that telescopic link and slip cover establish the expanding spring on telescopic link surface, and both all with screening incasement wall and sieve fill lateral wall rigid coupling.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model discloses a motor, cam, push rod, the use that resets and extensible member have realized the reciprocating motion that the sieve was fought, to the preliminary screening of sand, then the cooperation of a plurality of sieves, shock dynamo and buffer spring that the cooperation set up has realized the many times screening of sand, has improved its screening quality and speed, has shortened municipal construction period, cooperates a plurality of uses that connect the material shallow simultaneously, is convenient for filter the storage and the transport of sand.

(2) The utility model discloses a cooperation of universal wheel, expansion bend and fixed plate is used, has not only improved the use convenience of device, and its stability is stronger simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a schematic structural view of the sieve hopper of the present invention.

Wherein, the names corresponding to the reference numbers are: 1. a screening box; 2. a screen bucket; 3. a telescoping member; 4. a push rod; 5. a return spring; 6. a sieve gate; 7. a cam; 8. a motor; 9. a sieve plate; 10. vibrating a motor; 11. a base plate; 12. a placement groove; 13. a material receiving trolley; 14. a discharge port; 15. a buffer spring; 16. a support frame; 17. a retractor; 18. a fixing plate; 19. a universal wheel; 20. and (4) a box door.

Detailed Description

The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.

Example (b):

as shown in figures 1-3, the utility model provides a sand screening device for municipal construction, which comprises a screening box 1 and a bottom plate 11 fixedly connected with the bottom end of the screening box 1, the upper end and the lower end of the screening box 1 are respectively communicated with a feed inlet and a material guide port, the surface of the screening box 1 is provided with a box door 20 moving left and right, the upper end in the screening box 1 is provided with a screen bucket 2, the surface of the screen bucket 2 is provided with a sealed screen bucket door 6 moving upwards, the surfaces of the box door 20 and the screen bucket door 6 are both provided with a push handle, a telescopic part 3 is symmetrically connected between one side of the screen bucket 2 and the inner wall of the screening box 1, the telescopic part 3 comprises a telescopic rod and a telescopic spring which is sleeved on the surface of the telescopic rod, the telescopic rod and the telescopic spring are both fixedly connected with the inner wall of the screening box 1 and the side wall of the screen bucket 2, the other side of the screen bucket 2 is fixedly connected with a push rod 4, the push rod 4 slidably extends to the outside of the screening box 1, the surface of the push rod 4 is sleeved with a reset part, the reset part comprises a reset spring 5 which is symmetrically arranged on the surface of the push rod 4, two reset springs 5 are respectively positioned at the inner part and the outer part of the screening box 1, opposite ends of the two reset springs 5 are fixedly connected with the inner wall and the outer wall of the screening box 1, the other ends of the two reset springs are fixedly connected with the surface of the push rod 4, one end of the push rod 4 positioned at the outer part of the screening box 1 is provided with a cam 7, the upper side of the cam 7 is connected with a motor 8 connected with the screening box 1 through a bracket, the lower end of the screen bucket 2 is equidistantly provided with screen plates 9 with the apertures which are sequentially reduced, the aperture of the screen plate 9 at the uppermost end is smaller than that of the screen bucket 2, the apertures of the screen bucket 2 and the screen plate 9 are arranged according to the use requirement of sand, the number of the screen plates 9 is determined according to the actual use condition, the screen plates 9 are downward-inclined V-shaped screen plates, the middle part of the bottom side of the screen plates 9 is connected with a vibration motor 10, discharge ports 14 penetrate through two sides of the lower end of the screening box 1 at equal distances, and the two ends of the screen plates 9 respectively extend to the outer part of the screening box 1 through the discharge ports 14, buffer springs 15 are fixed between the bottom sides of the two ends of the sieve plate 9 and the bottom walls of the discharge ports 14, support frames 16 are fixedly connected to the outer sides of the sieving box 1 between the two discharge ports 14, placing grooves 12 are formed in the upper sides of the support frames 16 and the two ends and the middle of the upper side of the bottom plate 11, and material receiving trolleys 13 are arranged inside the placing grooves 12 in a sliding mode;

firstly, sand to be screened is guided into the screening box 1 from a feed inlet through a guide assembly, the sand firstly falls into the screening hopper 2, then the motor 8 is controlled to work, the motor 8 drives the cam 7 at the lower end to rotate, then the push rod 4 is pushed to move transversely, the push rod 4 drives the screening hopper 2 to move, meanwhile, the telescopic part 3 and the reset part are matched for use, the reciprocating motion of the push rod 4 is realized, thereby the primary screening of the sand in the screening hopper 2 is accelerated, then the sand falls into the surface of the screen plate 9 through the screening holes of the screening hopper 2, the screen plate 9 shakes through the vibrating motor 10 to accelerate the screening speed of the sand, then the sand falls downwards and is screened in sequence, the multiple screening of the sand is realized, the screening quality and the screening speed of the sand are improved, the municipal construction period is shortened, meanwhile, the sand positioned at the upper end of the screen plate 9 slides down to the two ends of the sand through the self gradient and is guided into the receiving trolley 13 through the discharge port 14 for storage, meanwhile, finally screened sand is stored in the material receiving trolley 13 at the bottom end of the material guiding port, when the sand in the sieve hopper 2 is taken out, the box door 20 is firstly pushed to open the screening box 1, and then the sieve hopper door 6 is pushed upwards to realize the taking out of the sand in the sieve hopper 2.

As shown in fig. 1, in the embodiment, a push handle is arranged on one side of the upper end of a screening box 1, universal wheels 19 are connected to both ends of the bottom side of a bottom plate 11, expansion pieces 17 fixedly connected with the bottom side of the bottom plate 11 are symmetrically arranged between the two universal wheels 19, and a fixing plate 18 is fixedly connected to the bottom ends of the expansion pieces 17;

through pushing away the use of handle and cooperation universal wheel 19, the removal of the device of being convenient for, when the device removed the assigned position, two expansion bend 17 simultaneous workings of control, and expansion bend 17 drives fixed plate 18 and moves down for fixed plate 18 and ground in close contact with, thereby realized fixing the device, not only improved the use convenience of device, its stability is stronger simultaneously.

The above embodiment is only one of the preferred embodiments of the present invention, and all the insubstantial changes or modifications made in the spirit and the idea of the main design of the present invention are consistent with the present invention and all the technical problems solved by the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a sand sieving mechanism for municipal construction, includes bottom plate (11) of screening case (1) and screening case (1) bottom rigid coupling, its characterized in that: the surface of the screening box (1) is provided with a sealed box door (20) moving left and right, the upper end in the screening box (1) is provided with a screening hopper (2), telescopic parts (3) are symmetrically connected between one side of the screening hopper (2) and the inner wall of the screening box (1), the other side of the screening hopper (2) is fixedly connected with a push rod (4), the push rod (4) extends to the outside of the screening box (1) in a sliding manner, a reset part is sleeved on the surface of the push rod (4), one end of the push rod (4) positioned outside the screening box (1) is provided with a cam (7), and the upper side of the cam (7) is connected with a motor (8);

sieve plates (9) with sequentially reduced apertures are arranged at the lower end of the sieve hopper (2) at equal intervals, the middle parts of the bottom sides of the sieve plates (9) are connected with a vibration motor (10), discharge holes (14) penetrate through the two sides of the lower end of the sieve box (1) at equal intervals, the two ends of each sieve plate (9) extend to the outside of the sieve box (1) through the discharge holes (14), and buffer springs (15) are fixed between the bottom sides of the two ends of each sieve plate (9) and the bottom walls of the discharge holes (14);

two equal rigid coupling in screening case (1) outside between discharge gate (14) has support frame (16), upside, the upside both ends and the middle part of bottom plate (11) of support frame (16) all are equipped with standing groove (12), standing groove (12) inside all slides and is equipped with and connects material shallow (13).

2. The sand screening device for municipal construction according to claim 1, wherein: reset the piece including the symmetry set up reset spring (5) on push rod (4) surface, and two reset spring (5) are located the inside and outside of screening case (1) respectively, two reset spring (5) looks remote site and screening case (1) inside and outside wall rigid coupling, and its other end all with push rod (4) surface rigid coupling.

3. The sand screening device for municipal construction according to claim 1, wherein: the sieve plate (9) is a V-shaped sieve plate, and two ends of the sieve plate are inclined downwards and extend to the outside of the screening box (1).

4. The sand screening device for municipal construction according to claim 1, wherein: the surface of the sieve hopper (2) is provided with a sealing type sieve hopper door (6) which moves upwards, and the surfaces of the box door (20) and the sieve hopper door (6) are provided with pushing handles.

5. The sand screening device for municipal construction according to claim 1, wherein: the bottom side of the bottom plate (11) is connected with universal wheels (19) at two ends, telescopic devices (17) fixedly connected with the bottom side of the bottom plate (11) are symmetrically arranged between the two universal wheels (19), and a fixing plate (18) is fixedly connected to the bottom ends of the telescopic devices (17).

6. The sand screening device for municipal construction according to claim 1, wherein: the extensible member (3) comprises an extensible rod and an extensible spring, the extensible spring is sleeved on the surface of the extensible rod in a sliding mode, and the extensible rod and the extensible spring are fixedly connected with the inner wall of the screening box (1) and the side wall of the screening hopper (2).