CN217989988U

CN217989988U - Sand screening device

Info

Publication number: CN217989988U
Application number: CN202222390364.8U
Authority: CN
Inventors: 夏军; 傅先久; 谭欢
Original assignee: Ma'anshan Shangjian Shuangcheng Commercial Concrete Co ltd
Current assignee: Ma'anshan Shangjian Shuangcheng Commercial Concrete Co ltd
Priority date: 2022-09-08
Filing date: 2022-09-08
Publication date: 2022-12-09
Anticipated expiration: 2032-09-08

Abstract

The utility model discloses a sand screen, which comprises a sand screen shell, wherein the middle part of the top end of the sand screen shell is provided with a sand inlet, a pair of sand screen plates are arranged inside the sand screen shell, and the front end and the rear end of each sand screen plate are respectively provided with a first supporting shaft connected with the front inner wall and the rear inner wall of the sand screen shell; the beneficial effects are that: when impurity on the sieve sand board is more, locking device locks the slider, make the position of back shaft one remain unchanged, starter motor one, drive the slip picture peg and shift up and leave the connecting plate, make whole sieve sand board lose spacingly, starter motor one, can drive the slip lifter plate, the cam etc. move down together, the sieve sand board uses back shaft one to swing downwards as the axle center, thereby can realize the automatic of large-scale granule stone sand and discharge, do not need the large-scale granule stone sand on the manual cleaning sieve sand board, very big reduction staff's burden, the work efficiency of whole sieve sand ware also improves greatly simultaneously.

Description

Sand screening device

Technical Field

The utility model relates to a sand screen technical field particularly, relates to a sand screen.

Background

In the construction of buildings, stone sand, cement and water are mixed together to form a concrete with high strength and long service life.

Before use, the sand screen is used for screening the sand and screening the sand with proper size. Inside sieve sand board of all installing of present sand screen, through driving the shake of sieve sand board, the realization is to the screening of stone sand, some large granule stone sand, impurity then stops in the top of sieve sand board, when large granule stone sand, when impurity reachs certain content, in order to guarantee that sieve sand board has good screening effect, need large granule stone sand on the sieve sand board, impurity clears up, and current sand screen can only be through artifical upper surface cleaning to sieve sand board, staff's work burden improves greatly, cleaning time is long simultaneously, the work efficiency of whole sand screen has been reduced.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem in the correlation technique, the utility model provides a sand screen to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

a sand screen comprises a sand screen shell, wherein a sand inlet is formed in the middle of the top end of the sand screen shell, a pair of sand screen plates are arranged inside the sand screen shell, first support shafts connected with the front inner wall and the rear inner wall of the sand screen shell are arranged at the front end and the rear end of each sand screen plate, a sliding block in sliding connection with the inner wall of the sand screen shell is arranged on each first support shaft, a locking device matched with the sliding block is arranged on the inner wall of the rear side of the sand screen shell, a connecting plate is arranged on one side, far away from each other, of each sand screen plate, a pair of fixing plates are arranged on the inner wall of one side of the sand screen shell, a first motor is arranged at the top end of each fixing plate above the fixing plate, a second motor is arranged at the bottom end of each fixing plate below the sand screen shell, threaded shafts are arranged on one sides, close to each other, of the second motor and the first motor, the both sides inner wall of sand screen ware casing all is equipped with rather than swing joint's slip picture peg, top the screw thread axle runs through the slip picture peg, the slip picture peg runs through the connecting plate, the both sides inner wall of sand screen ware casing all is equipped with rather than swing joint's slip lifter plate, below the screw thread axle runs through slip lifter plate, two the top of slip lifter plate all is equipped with a pair of supporting seat, two be equipped with the connecting axle between the supporting seat, the fixed cover of connecting axle be equipped with a plurality of with the cam that the sand screen board bottom surface contacted, wherein front end the front end of supporting seat be equipped with the motor three that the connecting axle transmission is connected, the bottom middle part of sand screen ware casing is equipped with the discharge gate, bottom one side of sand screen ware casing is equipped with out the flitch, the inside bottom of sand screen ware casing is equipped with switching mechanism.

Preferably, the switching mechanism includes a pair of slope guide plates, one of them slope guide plate with one side inner wall of sand screen casing is connected, wherein another both ends all be equipped with around the slope guide plate with inner wall swing joint's back and forth back support shaft two around the sand screen casing, two fixed covers of support shaft are equipped with the gear, the top of gear is equipped with the rack rather than the meshing connection, the one end of rack be equipped with the electric telescopic handle that sand screen casing opposite side inner wall is connected.

Preferably, the inside bottom of sand screen casing is equipped with a pair of baffle, and two the top of baffle all correspond with the bottom of slope guide plate contacts, the rack cover be equipped with the locating part that sand screen casing opposite side inner wall is connected.

Preferably, the top end of the inside of the sand screen shell is provided with a flow guide cover, and the flow guide cover is of a circular truncated cone structure.

Preferably, two be connected with connecting strip one between the slip picture peg, just connecting strip one is located the rear of sieve sand board, two be connected with connecting strip two between the slip lifter plate, just connecting strip one is located the rear of sieve sand board.

Preferably, one side of each sand sieving plate close to each other is of a semicircular structure, and the other side of each sand sieving plate close to each other is made of rubber.

Preferably, four supporting columns are arranged at the bottom end of the sand screen shell, and the discharge port and the discharge plate are kept at proper intervals with the ground.

The utility model has the advantages that:

1. when impurities on the sand sieving plate are more, the locking device locks the sliding block to keep the position of the first supporting shaft unchanged, the first motor is started to drive the sliding inserting plate to move upwards to separate from the connecting plate, so that the whole sand sieving plate loses the limit, the first motor is started to drive the sliding lifting plate, the cam and the like to move downwards together, and the sand sieving plate swings downwards by taking the first supporting shaft as an axis, so that the automatic discharge of large-sized granular stone sand can be realized, the large-sized granular stone sand on the sand sieving plate does not need to be cleaned manually, the burden of workers is greatly reduced, and meanwhile, the working efficiency of the whole sand sieving device is also greatly improved;

2. the switching mechanism can change the position and the direction of the inclined guide plate, so that the upper surface and the lower surface of the inclined guide plate are respectively used for conveying the stone sand with different sizes, the two kinds of stone sand can not be contacted, and the screening quality of the stone sand is effectively improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a sand screen according to an embodiment of the present invention;

fig. 2 is a front cross-sectional view of a sand screen according to an embodiment of the present invention;

fig. 3 is an enlarged view of a in fig. 2 of a sand screen according to an embodiment of the present invention;

fig. 4 is an enlarged view of B of fig. 2 of a sand screen according to an embodiment of the present invention;

fig. 5 is a schematic view of a connection structure between a sliding block and a locking mechanism in a sand screen according to an embodiment of the present invention.

In the figure:

1. a sand screen housing; 2. a sand inlet; 3. screening a sand plate; 4. a first support shaft; 5. a slider; 6. a locking device; 7. a connecting plate; 8. a fixing plate; 9. a first motor; 10. a second motor; 11. a threaded shaft; 12. sliding inserting plates; 13. a sliding lifter plate; 14. a supporting seat; 15. a connecting shaft; 16. a cam; 17. a discharge port; 18. a discharge plate; 19. inclining the guide plate; 20. a second support shaft; 21. a gear; 22. a rack; 23. an electric telescopic rod; 24. a baffle plate; 25. a stopper; 26. and a flow guide cover.

Detailed Description

To further illustrate the various embodiments, the present invention provides the accompanying drawings, which are part of the disclosure and which are primarily intended to illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and, by reference to these drawings, those of ordinary skill in the art will understand the principles of the invention and its advantages, with reference to the drawings and figures, in which elements are not drawn to scale and like elements are generally designated by like reference numerals.

According to the utility model discloses an embodiment provides a sand screen.

The first embodiment;

as shown in figures 1-5, a sand screen according to an embodiment of the present invention comprises a sand screen casing 1, a sand inlet 2 is provided in the middle of the top end of the sand screen casing 1, a pair of sand screen plates 3 is provided inside the sand screen casing 1, a first support shaft 4 connected to the front and rear inner walls of the sand screen casing 1 is provided at each of the front and rear ends of the sand screen plates 3, a slider 5 slidably connected to the inner wall of the sand screen casing 1 is provided on each of the first support shafts 4, a locking device 6 matched with the slider 5 is provided on the rear inner wall of the sand screen casing 1, a connecting plate 7 is provided on the side away from each other of the two sand screen plates 3, a pair of fixing plates 8 is provided on the inner wall of one side of the sand screen casing 1, wherein a first motor 9 is provided on the top end of the fixing plate 8, wherein a second motor 10 is provided on the bottom end of the fixing plate 8, the two 10 motors and the 9 motor one side that is close to each other all are equipped with threaded shaft 11, the both sides inner wall of sand screen casing 1 all is equipped with rather than swing joint's slip picture peg 12, the top threaded shaft 11 runs through slip picture peg 12, slip picture peg 12 runs through connecting plate 7, the both sides inner wall of sand screen casing 1 all is equipped with rather than swing joint's slip lifter plate 13, the below threaded shaft 11 runs through slip lifter plate 13, two the top of slip lifter plate 13 all is equipped with a pair of supporting seat 14, two be equipped with connecting axle 15 between the supporting seat 14, connecting axle 15 fixed cover be equipped with a plurality of with the cam 16 that the sand screen 3 bottom surfaces contacted, wherein the front end of supporting seat 14 be equipped with the motor three of connecting axle 15 transmission connection, the bottom middle part of sand screen casing 1 is equipped with discharge gate 17, one side of the bottom end of the sand screen shell 1 is provided with a discharge plate 18, and the bottom end inside the sand screen shell 1 is provided with a switching mechanism.

Example two;

as shown in fig. 1-5, according to the utility model discloses a sand screen, switching mechanism includes a pair of slope guide plate 19, one of them slope guide plate 19 with one side inner wall of sand screen casing 1 is connected, wherein another both ends all are equipped with inner wall swing joint's around the sand screen casing 1 back and forth two 20 of back shaft, the fixed cover of two 20 of back shaft is equipped with gear 21, gear 21's top is equipped with the rack 22 of being connected rather than the meshing, the one end of rack 22 be equipped with the electric telescopic handle 23 that sand screen casing 1 opposite side inner wall is connected can swing one of them slope guide plate 19, switches the position direction of slope guide plate 19 to can realize the emission of two kinds of stone sands, the inside bottom of sand screen casing 1 is equipped with a pair of baffles 24, and two the top of baffles 24 all correspond with the bottom of slope guide plate 19 contacts, plays good isolated effect, rack 22 cover be equipped with the locating part 25 that the inner wall of sand screen casing 1 is connected improves rack 22 horizontal migration's stability, the inside top of sand screen casing 1 is equipped with water conservancy diversion cover 26, just the water conservancy diversion cover 26 falls into the round platform sand screen structure of being convenient for sand screen sand 3.

The third embodiment;

as shown in fig. 1-5, according to the utility model discloses a sand sieving device, two be connected with connecting strip one between the slip picture peg 12, just connecting strip one is located the rear of screening sand board 3, with two slip picture peg 12 fixed connection, and can not influence the work of screening sand board 3, two be connected with connecting strip two between the slip lifter plate 13, just connecting strip one is located the rear of screening sand board 3, with two slip lifter plate 13 fixed connection, and can not influence the work of screening sand board 3, two one side that screening sand board 3 is close to each other is semicircular structure, and two one side that screening sand board 3 is close to each other is the rubber material, improves the leakproofness between two screening sand boards 3, can not disturb the swing of screening sand board 3 simultaneously.

The fourth embodiment;

as shown in fig. 1-5, according to the utility model discloses a sand screen, sand screen casing 1's bottom is equipped with four support columns, improves the stability of whole sand screen during operation, makes discharge gate 17, play flitch 18 and ground keep suitable interval simultaneously to be convenient for the collection to the stone sand, just discharge gate 17 play flitch 18 all keeps suitable interval with ground.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the stone sand is poured into the sand inlet 2, the stone sand falls onto the sand sieving plate 3 under the action of the flow guide cover 26 (at the moment, the slide block 5 is not locked by the locking device 6, and meanwhile, the slide inserting plate 12 penetrates through the connecting plate 7), the motor III is started, the connecting shaft 15 rotates to drive the plurality of cams 16 to rotate together, the sand sieving plate 3 slightly shakes up and down, and the stone sand can be screened (large-particle stone sand and impurities stay on the sand sieving plate 3, and small-particle stone sand falls onto the inclined flow guide plate 19 and is discharged through the discharge hole 17); when large-particle stone sand and impurities on the sand sieving plate 3 are more, in order to ensure that the sand sieving plate 3 has a good sieving effect, the electric telescopic rod 23 is started to push the rack 22 to move, the gear 21 reversely rotates, the support shaft two 20 reversely rotates, one inclined guide plate 19 swings (the upper surface of the inclined guide plate faces downwards, and the back surface of the inclined guide plate faces upwards), the locking device 6 clamps and locks the sliding block 5, the first motor 9 is started, the sliding insertion plate 12 moves upwards and is separated from the connecting plate 7, the second motor 10 is started, the sliding lifting plate 13, the support seat 14, the connecting shaft 15, the cam 16 and the third motor slowly move downwards together, at the moment, the sand sieving plate 3 slowly swings downwards by taking the support shaft one 4 as an axis, the large-particle stone sand and the impurities on the sand sieving plate 3 leave the sand sieving plate 3 and fall into the back surface of one inclined guide plate 19, and move to the discharge plate 18 through the inclined guide plate 19, and accordingly cleaning of the sand sieving plate 3 can be automatically achieved.

The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The sand sieving device is characterized by comprising a sand sieving device shell (1), wherein a sand inlet (2) is arranged in the middle of the top end of the sand sieving device shell (1), a pair of sand sieving plates (3) are arranged in the sand sieving device shell (1), a first supporting shaft (4) connected with the front inner wall and the rear inner wall of the sand sieving device shell (1) is arranged at the front end and the rear end of each sand sieving plate (3), each first supporting shaft (4) is provided with a sliding block (5) connected with the inner wall of the sand sieving device shell (1) in a sliding manner, a first locking device (6) matched with the sliding block (5) is arranged on the inner wall of the rear side of the sand sieving device shell (1), a second motor (10) is arranged at the bottom end of the fixing plate (8), a connecting plate (7) is arranged on one side of the sand sieving device shell (1), a pair of fixing plates (8) is arranged on one inner wall of one side of the sand sieving device shell (1), a first motor (9) is arranged on the top of the fixing plate (8), a second motor (10) and a threaded plug board (12) which penetrates through the sliding shaft (12) and is arranged on the sliding shaft (12), the both sides inner wall of sand screen casing (1) all is equipped with rather than swing joint's slip lifter plate (13), the below threaded shaft (11) run through slip lifter plate (13), two the top of slip lifter plate (13) all is equipped with a pair of supporting seat (14), two be equipped with connecting axle (15) between supporting seat (14), connecting axle (15) fixed cover be equipped with a plurality of with cam (16) that sieve sand board (3) bottom surface contacted, wherein the front end of supporting seat (14) be equipped with connecting axle (15) transmission is connected motor three, the bottom middle part of sand screen casing (1) is equipped with discharge gate (17), bottom one side of sand screen casing (1) is equipped with out flitch (18), the inside bottom of sand screen casing (1) is equipped with switching mechanism.

2. The sand screen according to claim 1, wherein the switching mechanism comprises a pair of inclined guide plates (19), one of the inclined guide plates (19) is connected with the inner wall of one side of the sand screen casing (1), the front end and the rear end of the other inclined guide plate (19) are respectively provided with a second support shaft (20) movably connected with the front inner wall and the rear inner wall of the sand screen casing (1), the second support shaft (20) is fixedly sleeved with a gear (21), the top end of the gear (21) is provided with a rack (22) in meshing connection with the gear, and one end of the rack (22) is provided with an electric telescopic rod (23) connected with the inner wall of the other side of the sand screen casing (1).

3. The sand screen according to claim 2, characterized in that a pair of baffles (24) is arranged at the bottom of the inside of the sand screen casing (1), the top ends of the two baffles (24) are correspondingly contacted with the bottom end of the inclined deflector (19), and the rack (22) is sleeved with a limiting part (25) connected with the inner wall of the other side of the sand screen casing (1).

4. The sand screen according to claim 1, characterized in that the top end of the inside of the sand screen shell (1) is provided with a flow guide cover (26), and the flow guide cover (26) is of a circular truncated cone structure.

5. The sand screen according to claim 1, wherein a first connecting strip is connected between the two sliding insertion plates (12), the first connecting strip is positioned behind the sand screen plate (3), a second connecting strip is connected between the two sliding lifting plates (13), and the first connecting strip is positioned behind the sand screen plate (3).

6. The sand screen according to claim 1, characterized in that the sides of the two sand screen plates (3) close to each other are both semicircular structures, and the sides of the two sand screen plates (3) close to each other are made of rubber.

7. A sand screen according to claim 1, characterized in that the bottom end of the sand screen housing (1) is provided with four support columns, and the discharge port (17) and the discharge plate (18) are properly spaced from the ground.