Sandy soil screening device

Abstract

The utility model discloses a sandy soil screening device, which relates to the technical field of screening devices and comprises a screening bin, supporting legs, a screening plate and a driving mechanism, and the driving mechanism is arranged on the supporting legs and used for driving the screening plate to do horizontal reciprocating motion; the extrusion plate is arranged in the screening bin; the transverse moving mechanism is used for driving the extrusion plate to horizontally move in the screening bin; and the lifting mechanism is used for driving the extrusion plate to synchronously move up and down in a reciprocating manner when the extrusion plate horizontally moves. The transverse moving mechanism drives the extrusion plate to horizontally move in the screening bin, and meanwhile, when the extrusion plate horizontally moves, the lifting mechanism drives the extrusion plate to move up and down in a reciprocating mode, so that the extrusion plate can extrude large-particle sandy soil on the top face of the screening plate in a reciprocating mode, and the sandy soil is crushed; large-particle sandy soil does not need to be treated by subsequent workers, and use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to screening device technical field, concretely is a sandy soil screening device. BACKGROUND

[0002] During construction, the sandy soil with large particles usually needs to be screened and separated, and the workers need to use a screening device to screen and separate, such as the sandy soil screening device for engineering construction disclosed in Chinese patent publication No. CN220177452U. Although this technical solution solves the problem of effectively separating the sandy soil with different particle sizes, it cannot process the screened sandy soil with large particles, and the workers still need to process the sandy soil with large particles, which makes the use inconvenient.

[0003] Therefore, the present application provides a sandy soil screening device. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a sandy soil screening device 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 sandy soil screening device comprises:

[0007] A screening bin is open at the bottom and has a plurality of legs fixed to the outer wall;

[0008] A sieve plate is horizontally and slidingly connected to the legs, the top surface of the sieve plate is in sliding contact with the bottom surface of the screening bin, and the sieve plate is used to shield the lower side opening of the screening bin;

[0009] A driving mechanism is arranged on the legs and is used to drive the sieve plate to move horizontally and reciprocally;

[0010] An extrusion plate is arranged in the screening bin;

[0011] A horizontal movement mechanism is used to drive the extrusion plate to move horizontally in the screening bin;

[0012] A lifting mechanism is used to drive the extrusion plate to move up and down reciprocally synchronously when moving horizontally.

[0013] Further, an ear block is fixed to each of the opposite ends of the sieve plate, a sliding column is horizontally fixed to the ear block, the sliding column penetrates through the adjacent legs, and the sliding column is free to slide horizontally.

[0014] Further, the driving mechanism comprises:

[0015] A first motor is horizontally mounted on one of the legs;

[0016] A rotating disc is drivingly connected to the output shaft of the first motor;

[0017] A hinge rod is hingedly connected to one end of the rotating disc, and hingedly connected to one of the sliding columns at the other end.

[0018] Further, the horizontal moving mechanism comprises:

[0019] Two supports are respectively fixed to the opposite ends of the screening bin;

[0020] A screw rod is rotatably connected to the two supports, and driven to rotate by a second motor mounted on one of the supports;

[0021] A screw nut is threadedly sleeved on the screw rod;

[0022] A moving seat is sleeved on the screw nut, and connected to the extrusion plate.

[0023] Further, the lifting mechanism comprises:

[0024] A fixed cylinder is vertically fixed to the bottom of the moving seat;

[0025] A telescopic column is telescopically inserted into the fixed cylinder, and the lower end of the telescopic column penetrates through the fixed cylinder and is fixed to the extrusion plate;

[0026] A sliding pin is provided on the upper end of the telescopic column, and the fixed cylinder is provided with a waist-shaped hole for the sliding pin to be inserted and freely slide;

[0027] A fixed plate is fixed to the two supports, and the fixed plate is provided with a sliding groove for the sliding pin to be inserted, the sliding groove comprises two straight grooves and a serpentine groove along the moving direction of the moving seat, and the two straight grooves are respectively connected to the two ends of the serpentine groove.

[0028] Further, the fixed plate is made of stainless steel.

[0029] Further, the straight grooves are connected to the upper side of the serpentine groove.

[0030] Further, the fixed plate is provided with two, and is provided on the two sides of the two supports.

[0031] Further, the extrusion plate is provided with an avoiding section which is curved upward on both sides along the horizontal moving direction of the extrusion plate.

[0032] Further, the extrusion plate is made of spring steel material.

[0033] Compared with the prior art, the utility model has the beneficial effects that:

[0034] The utility model discloses a horizontal moving mechanism and lifting mechanism are set up to the extrusion plate, and the extrusion plate is driven to move horizontally in the screening bin by the horizontal moving mechanism, and when moving horizontally, the lifting mechanism drives the extrusion plate to reciprocatingly move up and down, so that the extrusion plate can reciprocatingly extrude the sandy soil on the top surface of the sieve plate, and the sandy soil is broken, so that subsequent workers do not need to process the sandy soil with large particles, and the utility model is convenient to use.

[0035] The utility model discloses a fixed cylinder, telescopic column, sliding pin and the sliding groove on the fixed plate are set up, and when the moving seat moves horizontally, the sliding pin will move up and down in the sliding groove, so as to drive the telescopic column to telescopic motion in the fixed cylinder and drive the extrusion plate to move up and down, and the effect that the sandy soil in the screening bin is broken is realized.

[0036] The utility model discloses drive mechanism drives the sieve plate to move horizontally reciprocatingly, so that the extrusion plate and the sieve plate move relatively, and the sandy soil between the extrusion plate and the sieve plate can be twisted, so that the sandy soil can quickly pass through the sieve plate, and the sandy soil can also be extruded and crushed. DRAWINGS

[0037] Figure 1 It is the structure schematic drawing of a sandy soil screening device in the utility model,

[0038] Figure 2 It is the structure schematic drawing of a sandy soil screening device in the utility model, Figure 1 It is the structure schematic drawing of a sandy soil screening device in the utility model,

[0039] Figure 3 It is the structure schematic drawing of a sandy soil screening device in the utility model, Figure 1 It is the structure schematic drawing of a sandy soil screening device in the utility model,

[0040] Figure 4 It is the structure schematic drawing of a sandy soil screening device in the utility model,

[0041] Figure 5 It is the structure schematic drawing of a sandy soil screening device in the utility model, Figure 4 It is the structure schematic drawing of a sandy soil screening device in the utility model,

[0042] Figure 6 It is the structure schematic drawing of a sandy soil screening device in the utility model, Figure 4 It is the structure schematic drawing of a sandy soil screening device in the utility model.

[0043] In the drawings, the reference signs are explained as follows: 1, extrusion plate; 2, screening bin; 3, sieve plate; 4, sliding column; 5, supporting leg; 6, rotating disc; 7, first motor; 8, hinge rod; 9, second motor; 10, screw rod; 11, straight section groove; 12, telescopic column; 13, moving seat; 14, serpentine groove; 15, support; 16, fixed plate; 17, nut sleeve; 18, avoiding section; 19, sliding pin; 20, fixed cylinder; 21, waist-shaped hole. DETAILED DESCRIPTION

[0044] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0045] Please refer to Figures 1-6 The present application provides a technical solution: a sandy soil screening device, which comprises a screening bin 2, the bottom of the screening bin 2 is open, and supporting legs 5 extending downward are welded on the outer walls of the opposite sides of the screening bin 2, sliding columns 4 are horizontally arranged on the two supporting legs 5, the sliding columns 4 can freely slide on the supporting legs 5, ear blocks are welded on the opposite ends of the other two sliding columns 4, a sieve plate 3 with a plurality of sieve holes on the surface is welded between the two ear blocks, the bottom surface of the sieve plate 3 is in sliding contact with the bottom surface of the screening bin 2, and the sieve plate 3 can produce a shielding effect on the bottom of the screening bin 2, thereby preventing the sandy soil in the screening bin 2 from falling from the lower side of the screening bin 2, when the screening operation is performed, the worker pours the sandy soil to be screened into the screening bin 2;

[0046] One of the supporting legs 5 is welded with a mounting plate, a first motor 7 is horizontally mounted on the mounting plate, a rotating disc 6 is drivingly connected to the output shaft of the first motor 7, a hinge rod 8 is hinged to one of the sliding columns 4 adjacent to the first motor 7, and the end of the hinge rod 8 away from the sliding column 4 in the length direction is hinged to the end surface of the rotating disc 6, so that the rotating disc 6, the hinge rod 8 and the sliding column 4 form a crank slider mechanism, and then when the first motor 7 is started, the output shaft rotates and drives the rotating disc 6 to rotate, when the rotating disc 6 rotates, the hinge rod 8 pulls the sliding column 4 to move, so that the sliding column 4 reciprocatingly drives the sieve plate 3 to move horizontally, so that the sandy soil falling into the screening bin 2 is subjected to the vibration effect of the sieve plate 3, and then the sandy soil with smaller particles can quickly pass through the sieve holes of the sieve plate 3;

[0047] The two ends of the screening bin 2 are respectively welded with supports 15, the two supports 15 are rotatably connected with a lead screw 10 through bearings, the lead screw 10 is driven to rotate by a second motor 9 mounted on one of the supports 15, a nut sleeve 17 is threadedly sleeved on the lead screw 10, a moving seat 13 is sleeved on the nut sleeve 17, a fixed cylinder 20 is vertically welded on the bottom of the moving seat 13, a telescopic column 12 is telescopically inserted into the fixed cylinder 20, the telescopic column 12 passes through the fixed cylinder 20 at the lower end and is welded with a pressing plate 1, a sliding pin 19 is arranged on the upper end of the telescopic column 12, the fixed cylinder 20 is provided with a waist-shaped hole 21 for inserting and freely sliding the sliding pin 19, two fixed plates 16 are commonly welded on the two supports 15, the fixed plates 16 are in an upright state and are respectively arranged on the opposite sides of the two supports 15, the fixed plates 16 are provided with sliding grooves for inserting the sliding pin 19, the sliding grooves include two straight grooves 11 and a serpentine groove 14 along the moving direction of the moving seat 13, and the two straight grooves 11 are respectively connected with the two ends of the serpentine groove 14 in the length direction;

[0048] When the sand is screened, first, the external power supply is connected, the output shaft of the second motor 9 is rotated, and then the lead screw 10 is rotated, when the lead screw 10 rotates, the nut sleeve 17 is driven to move horizontally along the axial direction of the lead screw 10, and then the moving seat 13 is moved horizontally, when the moving seat 13 moves horizontally, the fixed cylinder 20, the telescopic column 12 and the pressing plate 1 are moved horizontally, at the same time, the screen plate 3 is moved horizontally and reciprocally, so that the pressing plate 1 and the screen plate 3 are relatively moved, the sand between the top surfaces of the pressing plate 1 and the screen plate 3 is subjected to the rubbing and extruding combined action of the pressing plate 1, and then the sand with small particles is quickly passed through the screen holes of the screen plate 3, in addition, when the moving seat 13 moves horizontally, the sliding pin 19 is slid from the straight groove 11 to the serpentine groove 14, the serpentine groove 14 is up and down, and then the sliding pin 19 is moved up and down, so that the pressing plate 1 can move up and down, and the sand in the screening bin 2 is extruded, and then the sand with large particles is crushed, the straight groove 11 is connected with the upper side of the serpentine groove 14, so that when the sliding pin 19 slides to the straight groove 11, the vertical distance between the bottom surface of the pressing plate 1 and the screen plate 3 is maximum, and the surface of the screen plate 3 is easily cleaned, the fixed plate 16 is made of stainless steel, so that when the sliding pin 19 slides in the sliding groove of the fixed plate 16, the friction and wear are small, the two sides of the pressing plate 1 along the horizontal moving direction are provided with upwardly curved avoiding sections 18, so that when the pressing plate 1 moves downwardly, the avoiding sections 18 do not shovel the sand on the surface of the screen plate 3, in addition, the pressing plate 1 is made of spring steel, so that when the pressing plate 1 extrudes the sand with large particles, the elastic deformation is avoided.

[0049] The utility model discloses a working principle: when carrying out screening operation, the worker puts the sand to be screened into screening bin 2, connects the power supply of outside, makes the output shaft rotation of second motor 9, and then drives screw rod 10 to rotate, when screw rod 10 rotates, drive the horizontal motion of screw nut sleeve 17 along the axial direction of screw rod 10, and then drive mobile seat 13 to move horizontally, when mobile seat 13 moves horizontally, will drive fixed cylinder 20, telescopic column 12 and extruding plate 1 horizontal motion, and the horizontal reciprocating motion of sieve plate 3 simultaneously, make extruding plate 1 and sieve plate 3 relative motion, so that the sand between the top surface of extruding plate 1 and sieve plate 3 is subjected to the rubbing and extruding combined action force of extruding plate 1, and then accelerates the small sand of particle to pass through the screen hole of sieve plate 3 quickly, in addition, when mobile seat 13 moves horizontally, make sliding pin 19 slide into serpentine groove 14 from straight section groove 11, and the serpentine groove 14 undulates up and down, and then make sliding pin 19 reciprocate up and down, make extruding plate 1 can reciprocate up and down, and produce extruding effect to the sand in screening bin 2, and then produce extruding crushing effect to the sand of big particle, the upper side connection of straight section groove 11 and serpentine groove 14 makes when sliding pin 19 slides to the upper side of straight section groove 11, make the vertical distance between the bottom surface of extruding plate 1 and sieve plate 3 maximum, facilitate the surface of sieve plate 3 to clean up, fixed plate 16 is made of stainless steel material, so that when sliding pin 19 slides in the sliding groove of fixed plate 16, will not produce greater friction and abrasion, the both sides of extruding plate 1 along its horizontal motion direction are provided with the avoiding section 18 that makes upwards bending, so that when extruding plate 1 moves downwards, avoiding section 18 will not shovel the sand on the surface of sieve plate 3, in addition, extruding plate 1 is made of spring steel material, so that when extruding plate 1 extrudes the sand of big particle, through the elastic deformation of itself, avoid plastic deformation.

[0050] It should be noted that in this document, the terms "first", "second", and so on are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A sand soil screening device, characterized by, It includes: A screening bin (2) with its bottom open and a plurality of legs (5) fixed on its outer wall; A sieve plate (3) horizontally slidingly connected to the legs (5), the top surface of the sieve plate (3) slidingly contacting the bottom surface of the screening bin (2), and used to shield the lower opening of the screening bin (2); A drive mechanism provided on the legs (5) and used to drive the horizontal reciprocating movement of the sieve plate (3); An extrusion plate (1) provided in the screening bin (2); A horizontal moving mechanism used to drive the horizontal movement of the extrusion plate (1) in the screening bin (2); A lifting mechanism used to drive the synchronous up-down reciprocating movement of the extrusion plate (1) when it moves horizontally.

2. The sand soil screening apparatus according to claim 1, characterized by The opposite ends of the sieve plate (3) are respectively fixed with ear blocks, and horizontal sliding columns (4) are fixed on the ear blocks, the sliding columns (4) penetrating through the adjacent legs (5) and horizontally freely sliding.

3. The sand soil screening apparatus according to claim 2, characterized by The drive mechanism includes: A first motor (7) horizontally mounted on one of the legs (5); A rotating disc (6) drivingly connected to the output shaft of the first motor (7); A hinge rod (8) having one end hingedly connected to the end face of the rotating disc (6) and the other end hingedly connected to one of the sliding columns (4).

4. The sand soil screening apparatus according to claim 1, characterized by The horizontal moving mechanism includes: Two supports (15) respectively fixed on the opposite ends of the screening bin (2); A lead screw (10) having two ends respectively rotatingly connected to the two supports (15) and driven to rotate by a second motor (9) mounted on one of the supports (15); A lead screw nut (17) threadedly sleeved on the lead screw (10); A moving seat (13) sleeved on the lead screw nut (17) and connected with the extrusion plate (1).

5. The sand soil screening apparatus according to claim 4, wherein The lifting mechanism includes: A fixed cylinder (20) vertically fixed on the bottom of the moving seat (13); A telescopic column (12) telescopically inserted into the fixed cylinder (20), the lower end of the telescopic column (12) penetrating through the fixed cylinder (20) and fixedly connected with the extrusion plate (1); A sliding pin (19) penetrating through the upper end of the telescopic column (12), the fixed cylinder (20) being provided with a waist-shaped hole (21) for the sliding pin (19) to be inserted and freely slide; A fixed plate (16) having two ends respectively fixed on the two supports (15), the fixed plate (16) being provided with a sliding groove for the sliding pin (19) to be inserted, the sliding groove including two straight grooves (11) and a serpentine groove (14) along the moving direction of the moving seat (13).

6. The sand soil screening apparatus according to claim 5, wherein The fixed plate (16) is made of stainless steel.

7. The sand soil screening apparatus according to claim 5, wherein The straight section groove (11) is connected with the upper side of the serpentine groove (14).

8. The sand soil screening apparatus according to claim 5, characterized by, The fixing plate (16) is provided with two, and is provided on both sides of the two supports (15).

9. The sand soil screening apparatus according to claim 1, characterized by, The extrusion plate (1) is provided with an upwardly curved avoiding section (18) on both sides along the horizontal movement direction.

10. A sand soil screening device according to either one of claims 1 or 9, characterized in that, The extrusion plate (1) is made of spring steel material.

Images