CN210386487U

CN210386487U - Grit sieve separator

Info

Publication number: CN210386487U
Application number: CN201921163137.3U
Authority: CN
Inventors: 施俊
Original assignee: Jinhua Quankou Sandstone Co Ltd
Current assignee: Jinhua Quankou Sandstone Co Ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-04-24
Anticipated expiration: 2029-07-23

Abstract

The utility model discloses a grit sieve separator, its technical scheme main points are: the utility model provides a grit sieve separator, which comprises a base, fixed connection is the material feeding unit on the base, the last second discharge gate that is equipped with of material feeding unit, be connected with the second screening device on the second discharge gate, be equipped with the third discharge gate on the second screening device, be connected with the third screening device on the second screening device, be provided with the second box on the second screening device, be provided with the circular screen cloth of being connected with the second discharge gate in the second box, there is the clearance between second box and the circular screen cloth, be equipped with the fourth discharge gate of being connected with the third screening device on the second box, the first motor of fixedly connected with on the circular screen cloth. The utility model discloses a grit sieve separator designs through setting up three screening mechanisms and to the position of screening mechanism, can divide into three kinds of thickness types with the grit.

Description

Grit sieve separator

Technical Field

The utility model relates to a sieve separator, more specifically say, it relates to a grit sieve separator.

Background

With the rapid development of economy, the development of the building industry is not kept after; the sandstone is an indispensable raw material in building engineering, but the common sandstone on the market has various sizes, is not clearly divided in specification and has various purposes; generally, a construction site needs to use gravels with various specifications, and in order to meet the market demand, a sand making factory can screen and classify the gravels treated by a sand making machine. At present, common sand screening devices on the market have complex structures and poor screening effect.

Aiming at the problems, the Chinese patent with the publication number of CN208592092U discloses a sand screening machine, which has the technical key points that: carry out first screening process through setting up screw conveyor, through setting up first sieve, and connect the sieve and rotate on the cylinder and carry out second screening process, through the combined mechanism who sets up second sieve and motor, cam, gyro wheel, carry out third screening process through will vibrating. However, in the second screening process, because the gravel is very wet, the gravel is accumulated at the position of the roller when falling onto the first sieve plate, the screening effect is not ideal, a large amount of gravel flows to the third screening process, the difficulty of the third screening process is increased, and the screening effect is poor.

A new solution is therefore proposed to solve this problem.

SUMMERY OF THE UTILITY MODEL

To the second screening process screening ability that the problem that exists because the mechanism leads to of prior art not enough, increase the degree of difficulty of third screening process simultaneously, make the problem of the effect variation of third screening process, the utility model aims to provide a can the capacity of three screening processes of full play, a grit sieve separator of screening coarse sand, middlings, fine sand that can be fine.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a grit sieve separator, includes base, the material feeding unit of fixed connection on the base, the last second discharge gate that is equipped with of material feeding unit, be connected with the second screening device on the second discharge gate, be equipped with the third discharge gate on the second screening device, be connected with the third screening device on the second screening device, be provided with the second box on the second screening device, be provided with the circular screen cloth of being connected with the second discharge gate in the second box, there is the clearance between second box and the circular screen cloth, be equipped with the fourth discharge gate of being connected with the third screening device on the second box, the first motor of fixedly connected with on the circular screen cloth.

Through adopting the above technical scheme, this equipment is through setting up the base, fixedly connected with material feeding unit on the base, and this material feeding unit is first screening process simultaneously, it has the second discharge gate to open on material feeding unit, the circular screen cloth that is equipped with on second discharge gate and the second screening device is connected, carry out the second screening in pouring into the circular screen cloth into through the coarse sand that first screening was once screened, the circular screen cloth sets up in the second box, the circular screen cloth is close to the first motor of one end fixedly connected with of second discharge gate, drive the circular screen cloth through first motor and rotate, guarantee that the grit can not push away the amass in the circular screen cloth, and simultaneously improved work efficiency, be provided with the third discharge gate on the second box, the third discharge gate is used for exporting the coarse sand that finally screened, the fourth discharge gate is used for exporting the middlings of screening.

The utility model discloses further set up to: the feeding device is provided with a first box body, a spiral conveying mechanism is arranged in the first box body, a feed inlet is formed in the first box body, a feed hopper corresponding to the feed inlet is fixedly connected to the first box body, and a first discharge outlet connected to a third screening device is formed in the first box body.

Through adopting the above technical scheme, material feeding unit is equipped with first box, be equipped with screw conveyor in first box, first box and there is certain clearance between screw conveyor, it has the feed inlet to open on the first box, fixedly connected with and the corresponding feeder hopper of feed inlet on first box, it has first discharge gate to open on the first box, the grit that will carry out the screening is poured into the feeder hopper and is got into first box in through the feed inlet, the great grit of granule is exported from the second discharge gate under screw conveyor's drive, because there is certain clearance between first box and screw conveyor, the less medium sand of granule is exported to third sieving mechanism through first discharge gate.

The utility model discloses further set up to: the feeding device adopts an inclined placing mode, the second discharge port is arranged at the middle upper position of the first box body, the feed port is arranged at the middle lower position of the first box body, and the first discharge port is arranged at the bottom of the first box body.

Through adopting above-mentioned technical scheme, place material feeding unit slope, and first discharge gate setting is in the bottom of first box, the feed inlet setting is in the well lower position of first box, the second discharge gate setting is in the well upper position of first box, through setting for the position relation to first discharge gate, feed inlet, second discharge gate, guarantee that the grit can be selected the less middlings of granule and the great coarse sand of granule with the grit and carry to corresponding position after passing through screw conveyor's preliminary screening.

The utility model discloses further set up to: the output shaft of the first motor is fixedly connected with a fixing rod, the fixing rod is fixedly connected with the inner wall of the circular screen, and the first motor is fixedly connected to one end of the second box body.

Through adopting above-mentioned technical scheme, fixedly connected with dead lever on the output shaft of first motor, the inner wall fixed connection of dead lever and circular screen cloth guarantees through the design of this structure that first motor can drive circular screen cloth and rotate.

The utility model discloses further set up to: the second box adopts the inclined mode of placing, the fourth discharge gate is seted up on the second box and is higher than the bottom of circular screen cloth, the third discharge gate is seted up in the bottom of second box.

By adopting the technical scheme, the second box body is placed in an inclined mode, sand and stones slide downwards in a rolling mode under the action of gravity, coarse sand and medium sand which are screened and classified can be respectively conveyed to corresponding outlets, and meanwhile, the screening effect can be improved; and the fourth discharge port is arranged on the second box body and is slightly higher than the bottom of the circular screen, the third discharge port is arranged at the bottom of the second box body, the medium sand screened by the circular screen flows to the second box body from the mesh and is output to the third screening device through the fourth discharge port, and the final coarse sand screened by the circular screen flows out of the bottom of the circular screen and is discharged from the third discharge port.

The utility model discloses further set up to: the screening device comprises a base, a first screening device and a second screening device, wherein a screening plate is arranged on the first screening device, one end of the screening plate close to a first discharge port is hinged to a side plate of the base, one end of the screening plate far away from the first discharge port is fixedly connected with a connecting seat, the connecting seat is movably connected with a roller, a cam in contact with the roller is arranged under the roller, and a second motor fixed on the base is fixedly connected to the cam.

Through adopting the above technical scheme, third sieving mechanism is provided with the sieve, the one end hinge that is close to first discharge gate at the sieve is connected on the curb plate of base, this end that makes the sieve can rotate, the one end fixedly connected with connecting seat of first discharge gate is kept away from at the sieve, connecting seat swing joint has the gyro wheel, be provided with the cam with the gyro wheel contact under the gyro wheel, fixedly connected with fixes the second motor on the base on the cam, it rotates to drive the cam through the second motor, the cam drives the gyro wheel and rotates, because the design of cam makes the sieve carry out up-and-down reciprocating motion, form the vibration effect.

The utility model discloses further set up to: and a fifth discharge hole corresponding to the mesh position of the sieve plate and a sixth discharge hole corresponding to the tail end of the sieve plate are formed in the base.

Through adopting above-mentioned technical scheme, it has the fifth discharge gate corresponding with sieve plate mesh position, the sixth discharge gate corresponding with the sieve end to open on the base, and the sieve is used for the medium sand of screening first discharge gate, fourth discharge gate output, and the screening fine sand that advances the sieve flows out from the mesh to export from the fifth discharge gate, and the coarse sand of screening flows to the sixth discharge gate and discharges from the end of sieve.

The utility model discloses further set up to: and guide plates are fixedly connected to the two sides of the fifth discharge port and the sixth discharge port.

Through adopting above-mentioned technical scheme, through the equal fixedly connected with guide plate in the both sides of fifth discharge gate, sixth discharge gate, guarantee that the grit does not take place to splash under the effect of guide plate.

The utility model discloses further set up to: the mesh of sieve is less than the mesh size of circular screen cloth, the mesh of circular screen cloth is unanimous with the clearance size that forms between screw conveyor, the first box.

Through adopting above-mentioned technical scheme, the mesh of circular screen cloth is close with screw conveyor, the clearance size that forms between the first box, through first screening, the second screening is carried out the middlings of selecting respectively from first discharge gate, fourth discharge gate and is exported to third sieving mechanism, through the second screening is carried out the final coarse sand of selecting and is discharged from the third discharge gate, third sieving mechanism screens the middlings, the final fine sand of selecting, the middlings is discharged from fifth discharge gate, sixth discharge gate respectively.

To sum up, the utility model discloses following beneficial effect has:

1. fine sand, medium sand and coarse sand are respectively screened out by the function of three-level screening formed by the cooperation of the spiral conveying mechanism and the first box body, the cooperation of the circular screen and the second box body and the cooperation of the screen plate and the cam.

2. Through the mode that sets up with first box and second box adoption slope, guarantee that the grit does not produce and pile up the effect that can also promote the screening under the effect of blockking up.

3. Through adopting screw conveyor to construct, can also realize the function of pay-off under the prerequisite that can realize screening function for the first time.

4. The mechanism of the cam replaces a vibration motor, so that the cost is saved on the premise of realizing the vibration screening function, and the vibration of the equipment is reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of a sand and stone screening machine of the present invention, which is mainly used to show the connection status of screening devices at all levels;

FIG. 2 is an enlarged view of portion A of FIG. 1 for illustrating the structural state of the cam mechanism;

fig. 3 is a schematic structural diagram of the circular screen in fig. 1, which is used for embodying the structure of the circular screen.

In the figure: 1. a base; 2. a first discharge port; 3. a feed inlet; 4. a feed hopper; 5. a first case; 6. a screw conveying mechanism; 7. a second discharge port; 8. a first motor; 9. a second case; 10. a circular screen; 11. fixing the rod; 12. a support pillar; 13. a fourth discharge port; 14. a sixth discharge port; 15. a sieve plate; 16. a fifth discharge hole; 17. a guide plate; 18. a third discharge port; 19. a second motor; 20. a roller; 21. a connecting seat; 22. a cam.

Detailed Description

In order to make the technical solutions of the present invention better understood, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments, and it should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

A sand screening machine, as shown in figure 1, figure 2, figure 3, carries on the tertiary screening to the sand through the first screening organization, the second screening organization, the third screening organization, divide into fine sand, medium sand, coarse sand; first screening mechanism, second screening mechanism all pass through support column 12 fixed connection on base 1.

The first screening mechanism is a feeding mechanism at the same time, and is provided with a first box body 5, and a spiral conveying mechanism 6 is arranged in the first box body 5; the first box body 5 is provided with a feed inlet 3, a first discharge outlet 2 and a second discharge outlet 7, the first box body 5 is fixedly connected with a feed hopper 4 corresponding to the feed inlet 3, the first discharge outlet 2 is arranged at the bottom of the first box body 5, the feed inlet 3 is arranged at the middle lower position of the first box body 5, and the second discharge outlet 7 is arranged at the middle upper position of the first box body 5; the sand and stone are injected into the feeding hopper, the sand and stone are injected into the spiral conveying mechanism 6 through the feeding hole 3, the sand and stone are conveyed to the second discharging hole 7 through the rotation of the spiral conveying mechanism 6, and because a certain gap exists between the first box body 5 and the spiral conveying mechanism 6, the medium sand with smaller particles flows to the inner wall of the first box body 5 through the gap; meanwhile, coarse sand with larger particles is conveyed to a second screening mechanism through a second discharge hole 7.

A circular screen 10 connected with the second discharge port 7 is arranged on the second screening mechanism, the circular screen 10 is arranged in a second box body 9, one end, close to the second discharge port 7, of the circular screen 10 is fixedly connected with a first motor 8, a fixing rod 11 is fixedly connected to an output shaft of the first motor 8, the fixing rod 11 is fixedly connected with the inner wall of the circular screen 10, and the first motor 8 can drive the circular screen 10 to rotate through the structural design; the fourth discharge port 13 is arranged on the second box body 9 and is higher than the bottom of the circular screen 10, and the third discharge port 18 is arranged at the bottom of the second box body 9; the coarse sand screened in the first screening is injected into the circular screen 10 for second screening, and because the second box body 9 adopts an inclined placing mode, the coarse sand flows downwards under the gravity action of the sand and stone, and meanwhile, the first motor 8 drives the circular screen 10 to rotate, so that the sand and stone are continuously contacted with the circular screen 10 under the condition of ensuring that the sand and stone roll continuously and are not piled up and blocked, and the best screening effect is obtained; because the mesh size on the circular screen 10 is close to the clearance size formed between the spiral conveying mechanism 6 and the first box 5, the medium sand flows out through the mesh on the circular screen 10, the medium sand flows to the inner wall of the second box 9 and flows to the third screening device through the fourth discharge hole 13, and the screened final coarse sand is discharged through the third discharge hole 18.

The third screening device is provided with a screen plate 15, one end of the screen plate 15 close to the first discharge hole 2 is hinged to a side plate of the base 1, so that the end of the screen plate 15 can rotate, one end of the screen plate 15 far away from the first discharge hole 2 is fixedly connected with a connecting seat 21, the connecting seat 21 is movably connected with a roller 20, a cam 22 in contact with the roller 20 is arranged under the roller 20, a second motor 19 fixed on the base 1 is fixedly connected to the cam 22, the cam 22 is driven by the second motor 19 to rotate, the cam 22 drives the roller 20 to rotate, and the screen plate 15 reciprocates up and down due to the design of the cam 22 to form a vibration effect; a fifth discharge port 16 corresponding to the mesh position of the sieve plate 15 and a sixth discharge port 14 corresponding to the tail end of the sieve plate 15 are formed in the base 1, and the sieve plate 15 is used for screening medium sand output by the first discharge port 2 and the fourth discharge port 13; as the mesh of the sieve plate 15 is smaller than that of the circular sieve 10, the screened final fine sand and medium sand are respectively discharged from the fifth discharge port 16 and the sixth discharge port 14 after being screened on the sieve plate 15, and the guide plates 17 are respectively arranged on the two sides of the fifth discharge port 16 and the sixth discharge port 14 so as to ensure that the sand and stone are not splashed.

The sand and stone in the feed hopper 4 enter the first screening device for screening through the feed inlet 3, under the action of the screw conveying mechanism 6, the medium sand with smaller particles flows downwards along the inner wall of the box body from the gap between the screw conveying mechanism 6 and the first box body 5, and is discharged to the third screening device through the first discharge port 2, and the coarse sand with larger particles is conveyed to the second screening process from the second discharge port 7 under the drive of the screw conveying mechanism 6; the coarse sand enters a circular screen 10 in a second box 9, the circular screen 10 is driven by a first motor 8 to rotate, so that the coarse sand rolls continuously, medium sand with smaller particles in the coarse sand falls onto the inner wall of the second box 9 from meshes of the circular screen 10 due to a gap between the second box 9 and the circular screen 10, the medium sand is discharged to a third screening device through a fourth discharge port 13, and the screened final coarse sand is discharged through a third discharge port 18; the third screening device realizes vertical vibration under the cooperation of the second motor 19 and the cam 22, and medium sand screened by the first screening device and the second screening device is screened out fine sand through the sieve holes on the sieve plate 15 under the vibration and is discharged from the fifth discharge hole 16; the screened final medium sand is discharged from the sixth discharge port 14.

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 grit sieve separator, includes base (1), the material feeding unit of fixed connection on base (1), material feeding unit is last to be equipped with second discharge gate (7), be connected with a second screening plant on second discharge gate (7), be equipped with third discharge gate (18) on the second screening plant, be connected with a third screening plant, its characterized in that on the second screening plant: the second screening device is provided with a second box body (9), a circular screen (10) connected with a second discharge port (7) is arranged in the second box body (9), a gap exists between the second box body (9) and the circular screen (10), a fourth discharge port (13) connected with a third screening device is arranged on the second box body (9), and a first motor (8) is fixedly connected to the circular screen (10).

2. A sand screening machine according to claim 1, wherein: the feeding device is provided with a first box body (5), a spiral conveying mechanism (6) is arranged in the first box body (5), the first box body (5) is provided with a feeding hole (3), the first box body (5) is provided with a feeding hopper (4) which is fixedly connected with the feeding hole (3) correspondingly, and the first box body (5) is provided with a first discharging hole (2) which is connected to a third screening device.

3. A sand screening machine according to claim 2, wherein: the feeding device adopts an inclined placing mode, the second discharging port (7) is arranged at the middle upper position of the first box body (5), the feeding port (3) is arranged at the middle lower position of the first box body (5), and the first discharging port (2) is arranged at the bottom of the first box body (5).

4. A sand screening machine according to claim 1, wherein: the fixed rod (11) is fixedly connected to an output shaft of the first motor (8), the fixed rod (11) is fixedly connected with the inner wall of the circular screen (10), and the first motor (8) is fixedly connected to one end of the second box body (9).

5. A sand screening machine according to claim 4, wherein: the second box (9) adopts the inclined placing mode, the fourth discharging port (13) is arranged on the second box (9) and is higher than the bottom of the circular screen (10), and the third discharging port (18) is arranged at the bottom of the second box (9).

6. A sand screening machine according to claim 2, wherein: be provided with sieve (15) on the third sieving mechanism, the one end hinge that sieve (15) are close to first discharge gate (2) is connected on the curb plate of base (1), the one end fixedly connected with connecting seat (21) of first discharge gate (2) are kept away from in sieve (15), connecting seat (21) swing joint has gyro wheel (20), be provided with cam (22) with gyro wheel (20) contact under gyro wheel (20), fixedly connected with second motor (19) on base (1) are fixed in cam (22).

7. A sand screening machine according to claim 6, wherein: and a fifth discharge hole (16) corresponding to the mesh position of the sieve plate (15) and a sixth discharge hole (14) corresponding to the tail end of the sieve plate (15) are formed in the base (1).

8. A sand screening machine according to claim 7, wherein: and guide plates (17) are fixedly connected to the two sides of the fifth discharge hole (16) and the sixth discharge hole (14).

9. A sand screening machine according to claim 6, wherein: the mesh size of sieve (15) is less than the mesh size of circular screen cloth (10), the mesh of circular screen cloth (10) is unanimous with the clearance size that forms between screw conveyor (6), first box (5).