CN210187647U

CN210187647U - Coarse sand screen

Info

Publication number: CN210187647U
Application number: CN201920722050.9U
Authority: CN
Inventors: Haoyu Sun; 孙浩宇
Original assignee: Qingdao Zhongjian Fuxing Commercial Concrete Co ltd
Current assignee: Qingdao Zhongjian Fuxing Commercial Concrete Co ltd
Priority date: 2019-05-17
Filing date: 2019-05-17
Publication date: 2020-03-27
Anticipated expiration: 2029-05-17

Abstract

The utility model discloses a coarse sand screen, which relates to the technical field of sand screening, and solves the problem that fine sand and soil can not be completely screened out due to accumulation when the existing coarse sand is screened, and the key point of the technical scheme is that the coarse sand screen comprises a support frame positioned on one side of the top of a screen and a feed plate which is fixedly connected with the top of the support frame and positioned above one end of the inclined top of the screen; one side of the feeding plate, which is far away from the screen, is obliquely arranged upwards, two side plates are fixedly connected to two sides of the feeding plate, one ends of the two side plates, which are close to the screen, are obliquely arranged towards the direction of mutual deviation, and one ends of the two side plates, which are close to the screen, are respectively close to one sides, which are close to two baffles on two sides of the screen, of the two baffle plates; divide the flitch to pile up the coarse sand on the feed plate and separate towards the both sides of feed plate to make the coarse sand by the tiling on the feed plate, thereby make the coarse sand fall to be difficult to pile up after the screen cloth together, make fine sand in the middle of the coarse sand and earth can be sieved out completely more easily.

Description

Coarse sand screen

Technical Field

The utility model relates to a technical field of grit screening, more specifically the saying so, it relates to a coarse sand sieve.

Background

Need use a large amount of grit among the building engineering, wherein the stone is a more common material, need mix stone, coarse sand, fine sand and cement etc. according to certain proportion, then use, but often can contain certain fine sand and earth that comes that among the current coarse sand, in order to guarantee that the proportion of mixing is more accurate, need realize screening out fine sand and earth among the coarse sand, then use.

Present coarse sand generally all sieves through the shale shaker, and the conveyer belt conveys the coarse sand on the shale shaker, then fine sand and earth are screened out by the screen cloth, and the coarse sand is then sent out through the lower end of screen cloth, but at the in-process of carrying out the screening, because the quantity of coarse sand is great, produce easily after the conveyer belt falls on the screen cloth and pile up on the screen cloth to make fine sand and earth in the coarse sand be difficult to by the total sifting out.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a coarse sand sieve, it separates towards the both sides of feed plate through dividing the flitch to pile up the coarse sand on the feed plate to make the coarse sand by tiling on the feed plate, thereby be difficult to pile up together after making the coarse sand fall on the screen cloth, make fine sand in the middle of the coarse sand and earth can be sieved out completely more easily.

In order to achieve the above purpose, the utility model provides a following technical scheme: a coarse sand screen comprises a screen, a fixing ring, a discharging plate, a baffle, a supporting rod, a transverse plate, a pull rope, a vibrating plate and a vibrating motor, wherein the screen is obliquely arranged, the fixing ring is fixedly connected to the periphery of the screen, the discharging plate is fixedly connected to the oblique bottom of the screen, the baffle is fixedly connected to the top of the fixing ring and is respectively positioned at the oblique top and two sides of the screen, the supporting rod is vertically arranged and is close to the four corners of the screen, the transverse plate is fixedly connected to the top of the supporting rod and is close to one side of the screen, one end of the pull rope is fixedly connected to the transverse plate, the other end of the pull rope is fixedly connected to the baffle, the vibrating plate;

one side of the feeding plate, which is far away from the screen, is obliquely arranged upwards, two side plates are fixedly connected to two sides of the feeding plate, one ends of the two side plates, which are close to the screen, are obliquely arranged towards the direction of mutual deviation, and one ends of the two side plates, which are close to the screen, are respectively close to one sides, which are close to two baffles on two sides of the screen, of the two baffle plates;

the top of each of the two side plates is fixedly connected with a cross rod, one side of the cross rod, which is close to the feeding plate, is fixedly connected with a material distribution plate which is arranged in a V shape, the two sides of the material distribution plate are parallel to the two side plates, and the distance between one side of the material distribution plate, which is close to the feeding plate, and one side of the material distribution plate, which is close to the material distribution plate, and one side.

Through adopting above-mentioned technical scheme, the conveyer belt carries the top of feed plate with the grit, the grit slides down along the feed plate under the effect of self gravity, in the middle of the process of sliding down, the grit divides the part that the grit of piling together is close to the top towards both sides under the effect of branch flitch divides the material, thereby can the tiling with the grit on dividing the flitch, the grit of tiling on dividing the flitch is difficult to pile up after falling on the screen cloth together, thereby make fine sand and earth in the middle of the grit can be sieved out more easily.

The utility model discloses further set up to: the bottom of the feeding plate is also fixedly connected with a vibration motor.

Through adopting above-mentioned technical scheme, vibrate the coarse sand on the feed plate through shock dynamo for coarse sand on the feed plate can be easier tiling on the feed plate.

The utility model discloses further set up to: a fixed rod is fixedly connected to one side, away from the screen, of the two baffles positioned on the two sides of the screen, a sliding plate capable of sliding in a reciprocating manner along the length direction of the fixed rod is arranged at the bottom of the fixed rod, and a power mechanism for driving the sliding plate to slide is arranged on the fixed rod;

the length direction of the fixed rod is parallel to the width direction of the screen, one side of the sliding plate, which is close to the screen, is parallel to one side of the screen, which is close to the sliding plate, and the distance between one side of the sliding plate, which is close to the screen, and one side of the screen, which is close to the sliding plate, is 2-3 cm.

Through adopting above-mentioned technical scheme, power unit drives the sliding plate and carries out reciprocating sliding along the length direction of fixed bar, and the coarse sand that piles up on the screen cloth is stirred to the sliding plate in the middle of the gliding process for the tiling that the coarse sand can be more even is at the top of screen cloth, thereby makes fine sand and earth in the middle of the coarse sand can be sieved out by more easily completely.

The utility model discloses further set up to: the bottom of the fixed rod is provided with a sliding groove with the length direction parallel to the length direction of the fixed rod;

the power mechanism comprises a single-rotation reciprocating screw rod, a sliding block and a power motor, wherein the single-rotation reciprocating screw rod is arranged in the sliding groove, two ends of the single-rotation reciprocating screw rod are respectively and rotatably connected with two ends of the sliding plate, the sliding block is arranged in the sliding groove and can slide in the sliding groove along the length direction of the sliding groove, and the power motor is used for driving the single-rotation reciprocating screw rod to rotate;

the axial direction of the single-rotation reciprocating screw rod is parallel to the length direction of the sliding groove, a through hole is formed in one side, close to one end of the sliding groove, of the sliding block along the axial direction of the single-rotation reciprocating screw rod, a guide rod fixedly connected to the sliding block is arranged in the through hole, the guide rod is inserted into a spiral groove of the single-rotation reciprocating screw rod, and the sliding plate is fixedly connected to the bottom of the sliding block.

Through adopting above-mentioned technical scheme, power motor drives the reciprocal lead screw of single revolving and rotates, and the reciprocal lead screw of single revolving drives the sliding block and slides along the length direction of fixed rod on the dead lever in the middle of carrying out the pivoted process, and the fixed block drives the sliding plate in gliding process and slides to the coarse sand that will shine and pile up together on the net is spread out smoothly.

The utility model discloses further set up to: the fixed rod is detachably connected to the baffle.

The utility model discloses further set up to: both ends of the fixing rod are fixedly connected with two fastening plates, and one side of each fastening plate, which is far away from the baffle, is provided with a fixing bolt which penetrates through the fixing plate and is in threaded connection with the baffle.

Through adopting above-mentioned technical scheme, the dead lever of dismantling the connection is convenient for change the dead lever.

The utility model discloses further set up to: be provided with the shock pad between fixed plate and the baffle, the shock pad is the rubber shock pad that the rubber material was made.

Through adopting above-mentioned technical scheme, through setting up the shock pad for on the vibrations of screen cloth are difficult to transmit the dead lever, reduce vibrations to the gliding influence of sliding block.

The utility model discloses further set up to: the fixed rods are provided with a plurality of pieces and are evenly distributed along the length direction of the screen.

Through adopting above-mentioned technical scheme, the sliding plate of a plurality of dead lever bottom stirs the grit together for the grit can be better the flat top of spreading at the screen cloth.

To sum up, the utility model discloses compare and have following beneficial effect in prior art:

1. the utility model discloses a set up the feed plate and divide the flitch, the conveyer belt carries the coarse sand to the top of feed plate, the coarse sand slides down along the feed plate under the effect of self gravity, in the middle of the process of sliding down, the coarse sand divides the part that the coarse sand that will pile together is close to the top under the effect that divides the flitch to move towards both sides, thereby can tile the coarse sand on dividing the flitch, the coarse sand that tiles on dividing the flitch is difficult to pile up together after falling on the screen cloth, thereby make fine sand and earth in the coarse sand can be sieved out more easily;

2. the utility model discloses a set up dead lever and sliding plate, the sliding plate carries out reciprocating sliding along the length direction of dead lever, and the sliding plate is stirred piling up the coarse sand on the screen cloth in the middle of the gliding process for the tiling that the coarse sand can be more even is at the top of screen cloth, thereby makes fine sand and earth in the middle of the coarse sand can be sieved out completely more easily.

Drawings

FIG. 1 is an isometric view of the complete structure of the embodiment;

FIG. 2 is a schematic view of an embodiment of a fixing rod;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a cross-sectional view of a fixation rod of an embodiment;

FIG. 5 is an isometric view of a single-turn reciprocating screw of an embodiment;

FIG. 6 is a schematic view of a sliding block and a sliding plate of an embodiment.

In the figure: 1. screening a screen; 2. a fixing ring; 21. a baffle plate; 22. a discharge plate; 23. a vibration plate; 3. a support bar; 31. a transverse plate; 32. pulling a rope; 4. a feeding plate; 41. a side plate; 42. a cross bar; 43. a material distributing plate; 44. a support frame; 5. vibrating a motor; 6. fixing the rod; 61. a fastening plate; 62. fixing the bolt; 63. a shock pad; 64. a sliding groove; 7. a sliding plate; 8. a power mechanism; 81. a single-rotation reciprocating screw rod; 82. a power motor; 83. a slider; 831. a through hole; 832. a guide rod.

Detailed Description

Example (b): a coarse sand screen, see figure 1, comprises a screen 1 arranged obliquely, a fixed ring 2 fixedly connected around the screen 1, a discharge plate 22 fixedly connected at the oblique bottom of the screen 1, a baffle 21 fixedly connected at the top of the fixed ring 2 and respectively positioned at the oblique top and two sides of the screen 1, a support rod 3 vertically arranged and close to the four corners of the screen 1, a transverse plate 31 fixedly connected at the top of the support rod 3 and close to one side of the screen 1, a pull rope 32 fixedly connected to the transverse plate 31 and fixedly connected to the baffle 21 at the other end, a vibration plate 23 fixedly connected to the baffle 21 positioned at the oblique top of the screen 1, a vibration motor 5 fixedly connected to the bottom of the vibration plate 23, a support frame 44 positioned at one side of the top of the screen 1, a feeding plate 4 fixedly connected at the top of the support frame 44 and positioned above one end of the oblique top of the, A cross bar 42 with two ends respectively fixedly connected to one side of the two side plates 41 away from the feeding plate 4 and a distributing plate 43 fixedly connected to one side of the cross bar 42 close to the feeding plate 4 and arranged in a V shape; one side of the feeding plate 4, which is far away from the screen mesh 1, is obliquely arranged upwards, one ends of the two side plates 41, which are close to the screen mesh 1, are obliquely arranged towards the direction of mutual deviation, and one ends of the two side plates 41, which are close to the screen mesh 1, are respectively close to the mutually close sides of the two baffles 21 on the two sides of the screen mesh 1; the two sides of the material distributing plate 43 are parallel to the two side plates 41, and the distance between one side of the material distributing plate 43 close to the feeding plate 4 and one side of the feeding plate 4 close to the material distributing plate 43 is 2-3 cm. The bottom of the feeding plate 4 is also fixedly connected with a vibration motor 5.

Coarse sand falls on feed plate 4 under the effect of conveyer belt, and the coarse sand slides along feed plate 4 down under the effect of self gravity, and in the middle of the in-process that slides down, divide flitch 43 to be close to the part of top position with the coarse sand of piling up together and guide towards both sides for the coarse sand tiling is on feed plate 4, thereby is difficult to pile up together after making the coarse sand on feed plate 4 fall on screen cloth 1.

Referring to fig. 2 and 3, a plurality of fixing rods 6 are arranged above the screen mesh 1, the length direction of the fixing rods 6 is parallel to the width direction of the screen mesh 1, and the fixing rods 6 are uniformly arranged along the length direction of the screen mesh 1. The bottom of the fixed rod 6 is provided with a sliding plate 7 which slides in a reciprocating manner along the length direction of the fixed rod 6, one side of the bottom of the sliding plate 7 is parallel to one side of the top of the screen cloth 1, and the distance between one side of the sliding plate 7 close to the screen cloth 1 and one side of the screen cloth 1 close to the sliding plate 7 is 2-3 cm; two fastening plates 61 are fixedly connected to two sides of the fixing rod 6, the fastening plates 61 are located at the tops of the baffle plates 21 on two sides of the screen mesh 1, a damping pad 63 supported by rubber materials is arranged between the fastening plates 61 and the baffle plates 21, and a fixing bolt 62 penetrating through the fastening plates 61 and the damping pad 63 and connected with the baffle plates 21 through threads is arranged on one side of the fastening plates 61, which is far away from the baffle plates 21. The fixed rod 6 is provided with a power mechanism 8 for driving the sliding plate 7 to slide. The power mechanism 8 drives the sliding plate 7 to slide in a reciprocating mode, and the sliding plate 7 can stir the tops of the coarse sand piled together in the sliding process, so that the coarse sand can be better paved on the screen mesh 1.

Referring to fig. 3 and 4, the bottom of the fixing rod 6 is provided with a sliding groove 64 whose length direction is parallel to the length direction of the fixing rod 6; the power mechanism 8 comprises a single-rotation reciprocating screw rod 81 positioned in the sliding groove 64 and having two ends respectively rotatably connected with two ends of the fixing rod 6, a sliding block 83 arranged in the sliding groove 64 and having the single-rotation reciprocating screw rod 81 driving the sliding block to slide, and a power motor 82 fixedly connected to one of the fixing plates and used for driving the single-rotation reciprocating screw rod 81 to rotate. The axial direction of the single-turn reciprocating screw 81 is parallel to the length direction of the fixed rod 6. The slide plate 7 is fixedly attached to the bottom of the slide block 83.

Referring to fig. 5 and 6, a through hole 831 penetrating through the sliding block 83 is formed in one side of the sliding block 83 close to one end of the fixing rod 6 along the axial direction of the single-rotation reciprocating screw rod 81, and a guide rod 832 fixedly connected to the sliding block 83 is arranged in the through hole 831; two spiral grooves with opposite spiral directions are formed in the periphery of the single-rotation reciprocating screw rod 81, two ends of each spiral groove are communicated with each other, the guide rod 832 is inserted into the guide groove, and the single-rotation reciprocating screw rod 81 drives the sliding block 83 to slide in a reciprocating mode through the spiral grooves and the guide rod 832 in the rotating process.

The working principle of the coarse sand screen when in use is as follows: the coarse sand falls onto the feeding plate 4 under the action of the conveying belt, the coarse sand slides downwards along the feeding plate 4 under the action of self gravity, and in the process of sliding downwards, the material distributing plate 43 guides the part, close to the top, of the stacked coarse sand towards two sides, so that the coarse sand is flatly laid on the feeding plate 4, and the coarse sand on the feeding plate 4 is not easy to stack together after falling onto the screen mesh 1; coarse sand is sunning the in-process that carries out the screening on the net, and the motor drives sliding block 83 through the reciprocal lead screw 81 of single rotation and carries out reciprocating sliding, and sliding block 83 stirs the coarse sand that piles up together through sliding plate 7 in the middle of reciprocating sliding's process for the coarse sand can be better the tiling on the surface of screen cloth 1, and the coarse sand after the screening is seen off through ejection of compact board 22.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a coarse sand sieve, screen cloth (1) including the slope setting, fixed connection is at screen cloth (1) solid fixed ring (2) all around, fixed connection is at play flitch (22) of screen cloth (1) slope bottom, fixed connection is at baffle (21) that solid fixed ring (2) top is located screen cloth (1) slope top and both sides respectively, vertical setting just is close to bracing piece (3) of screen cloth (1) four corners department, fixed connection is close to diaphragm (31) of screen cloth (1) one side at bracing piece (3) top, one end fixed connection is on diaphragm (31) other end fixed connection stay cord (32) on baffle (21), fixed connection is at vibrations board (23) and the vibrating motor (5) of fixed connection in vibrations board (23) bottom on baffle (21) that are located screen cloth (1) slope top, its characterized in that: the device also comprises a support frame (44) positioned on one side of the top of the screen (1) and a feeding plate (4) fixedly connected to the top of the support frame (44) and positioned above one end of the inclined top of the screen (1);

one side of the feeding plate (4) departing from the screen (1) is obliquely arranged upwards, two side plates (41) are fixedly connected to two sides of the feeding plate (4), one ends of the two side plates (41) close to the screen (1) are obliquely arranged towards the direction of mutual deviation, and one ends of the two side plates (41) close to the screen (1) are respectively close to one sides of the two baffles (21) on the two sides of the screen (1) which are close to each other;

the top of each two side plates (41) is fixedly connected with a cross rod (42), one side of each cross rod (42) close to the feeding plate (4) is fixedly connected with a material distributing plate (43) which is arranged in a V shape, two sides of each material distributing plate (43) are parallel to the two side plates (41), and the distance between one side of each material distributing plate (43) close to the feeding plate (4) and one side of each material distributing plate (43) close to the feeding plate (4) is 2-3 cm.

2. The grit screen of claim 1, wherein: the bottom of the feeding plate (4) is also fixedly connected with a vibration motor (5).

3. The grit screen of claim 1, wherein: one side of each of the two baffles (21) positioned at the two sides of the screen (1) and away from the screen (1) is fixedly connected with a fixed rod (6), the bottom of the fixed rod (6) is provided with a sliding plate (7) capable of sliding back and forth along the length direction of the fixed rod (6), and the fixed rod (6) is provided with a power mechanism (8) for driving the sliding plate (7) to slide;

the length direction of the fixed rod (6) is parallel to the width direction of the screen (1), one side of the sliding plate (7) close to the screen (1) is parallel to one side of the screen (1) close to the sliding plate (7), and the distance between one side of the sliding plate (7) close to the screen (1) and one side of the screen (1) close to the sliding plate (7) is 2-3 cm.

4. The coarse sand screen of claim 3, wherein: the bottom of the fixed rod (6) is provided with a sliding groove (64) with the length direction parallel to the length direction of the fixed rod (6);

the power mechanism (8) comprises a single-rotation reciprocating screw rod (81) which is arranged in the sliding groove (64) and two ends of which are respectively connected with two ends of the sliding plate (7) in a rotating way, a sliding block (83) which is arranged in the sliding groove (64) and can slide in the sliding groove (64) along the length direction of the sliding groove (64), and a power motor (82) which is used for driving the single-rotation reciprocating screw rod (81) to rotate;

the axial direction of the single-rotation reciprocating screw rod (81) is parallel to the length direction of the sliding groove (64), one side, close to one end of the sliding groove (64), of the sliding block (83) is provided with a through hole (831) along the axial direction of the single-rotation reciprocating screw rod (81), a guide rod (832) fixedly connected to the sliding block (83) is arranged in the through hole (831), the guide rod (832) is inserted into a spiral groove of the single-rotation reciprocating screw rod (81), and the sliding plate (7) is fixedly connected to the bottom of the sliding block (83).

5. The coarse sand screen of claim 3, wherein: the fixed rod (6) is detachably connected to the baffle (21).

6. The coarse sand screen of claim 5, wherein: both ends of the fixing rod (6) are fixedly connected with two fastening plates (61), and one side of each fastening plate (61) departing from the corresponding baffle (21) is provided with a fixing bolt (62) which penetrates through the fixing plate and is in threaded connection with the corresponding baffle (21).

7. The grit screen of claim 6, wherein: be provided with shock pad (63) between fixed plate and baffle (21), shock pad (63) are rubber shock pad (63) that the rubber material made.

8. The coarse sand screen of claim 3, wherein: the fixed rods (6) are provided with a plurality of pieces, and the fixed rods (6) are uniformly distributed along the length direction of the screen (1).