CN218554733U

CN218554733U - Mechanical screening device

Info

Publication number: CN218554733U
Application number: CN202223023617.4U
Authority: CN
Inventors: 袁方; 胡三元
Original assignee: Wuhan Sensairui Technology Co ltd
Current assignee: Wuhan Sensairui Technology Co ltd
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-03-03
Anticipated expiration: 2032-11-14

Abstract

The utility model discloses a mechanical screening device relates to screening technical field, including the screening case, the inner wall fixed mounting of screening case has the backing plate, and the upper surface of backing plate is provided with the second screen cloth, and the inner chamber of screening case and the top that is located the second screen cloth are provided with first screen cloth, and the inner wall fixed mounting of screening case has the fixed plate, and the upper surface of fixed plate rotates and is connected with the gag lever post, the beneficial effects of the utility model are that: through the inner chamber with the goods joining screening case, make it fall on the upper surface of first screen cloth, carry out preliminary screening back through first screen cloth, make it fall on the upper surface of second screen cloth, utilize the motor to drive one of them dwang and rotate, make one of them bevel gear rotate, utilize first bevel gear and second bevel gear mesh mutually, can make two dwangs rotate, it rotates to drive the cam through the dwang, utilize the cam to pat the second screen cloth, carry out secondary screening, and is more convenient, can use manpower sparingly simultaneously.

Description

Mechanical screening device

Technical Field

The utility model relates to a screening technical field specifically is a mechanical screening device.

Background

The screening is to utilize a sieve to enable fine-grained materials smaller than a sieve pore in the materials to penetrate through a sieve surface, and coarse-grained materials larger than the sieve pore are retained on the sieve surface, so that the coarse-grained and fine-grained separation is completed, the separation process can be regarded as two stages of material layering and fine-grained sieving, the material layering is a condition for completing the separation, fine grains are suitable for the sieving and are the purpose of separation, the size of rice is usually greatly different, the prices of rice of different sizes sold to the outside are different, in rural areas, when the rice is screened, the rice is usually placed on the sieve, the sieve is shaken manually to carry out the screening, the operation is troublesome, and large manpower is consumed, and a mechanical screening device is provided for conveniently screening the rice.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a mechanical screening device has solved the problem of proposing among the above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a mechanical screening device, includes the screening case, the inner wall fixed mounting of screening case has the backing plate, the upper surface of backing plate is provided with the second screen cloth, the inner chamber of screening case and the top that is located the second screen cloth are provided with first screen cloth, the inner wall fixed mounting of screening case has the fixed plate, the last surface rotation of fixed plate is connected with the gag lever post, the one end of gag lever post run through the second screen cloth and with second screen cloth swing joint, first conical gear has been cup jointed on the surface of gag lever post, the inner chamber of screening case rotates and is connected with two dwangs, two the surface of dwang is all fixed the cam, two the equal fixedly connected with second conical gear of one end that the dwang is corresponding, two second conical gear all meshes with first conical gear mutually.

Preferably, the fixed surface of screening case installs the motor, the output of motor extends to the inner chamber of screening case and rather than one of them dwang fixed connection, another the one end of dwang runs through screening case and fixedly connected with third bevel gear.

Preferably, first joint groove has been seted up to the inner wall of screening case, second joint groove has been seted up on the surface of screening case, one side joint to the inner chamber in first joint groove of first screen cloth, the opposite side fixedly connected with mounting panel of first screen cloth, one side fixed mounting of mounting panel has the joint piece, joint piece joint to the inner chamber in second joint groove.

Preferably, the inner cavity of the screening box is provided with a collecting box, the screening box is internally provided with a chute, the inner cavity of the chute is connected with a sliding block in a sliding manner, and the sliding block is fixedly connected with the collecting box.

Preferably, the surface of the screening box is fixedly provided with an air pumping box, the middle part of the lower surface of the air pumping box is fixedly and rotatably connected with a reciprocating screw rod, one end of the reciprocating screw rod is fixedly connected with a fourth bevel gear, and the fourth bevel gear is meshed with the third bevel gear.

Preferably, the movable plate is sleeved on the surface of the reciprocating screw rod in a threaded manner, the connecting rod is fixedly mounted on the upper surface of the movable plate, one end of the connecting rod extends to the inner cavity of the air exhaust box and is fixedly connected with the piston, and the air exhaust pipe is fixedly mounted inside the air exhaust box.

Preferably, one side fixed mounting of exhaust box has the rose box, the inside of rose box is provided with the filter screen, the inside fixed mounting of rose box has the blast pipe, the one end of blast pipe extends to the inner chamber of exhaust box, the surface of blast pipe and exhaust tube all is provided with the check valve.

The utility model provides a mechanical screening device possesses following beneficial effect:

1. this mechanical screening device, through the inner chamber with the goods adds the screening case, make its upper surface that falls on first screen cloth, carry out preliminary screening back through first screen cloth, make it fall on the upper surface of second screen cloth, utilize the motor to drive one of them dwang and rotate, make one of them second bevel gear rotate, utilize first bevel gear and second bevel gear mesh mutually, can make two dwangs rotate, it rotates to drive the cam through the dwang, utilize the cam to pat the second screen cloth, carry out the secondary screening, and is more convenient, and the while can use manpower sparingly.

2. This mechanical screening device, it can drive third bevel gear through the dwang rotation and rotate, because third bevel gear meshes with fourth bevel gear mutually, make third bevel gear drive fourth bevel gear and rotate, and then make reciprocal lead screw rotate, can drive the fly leaf and remove, utilize the cooperation of fly leaf and connecting rod, it is movable at the inner chamber of exhaust chamber to drive the piston, utilize the cooperation of piston and exhaust tube, can inhale the inner chamber of exhaust chamber to the dust that produces during the screening, the inner chamber of rose box is arranged into to the rethread blast pipe, utilize the filter screen to filter the dust, avoid operating personnel to be in the condition that the more environment of dust influences healthy for a long time.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is an enlarged view of a point a in fig. 2 according to the present invention.

In the figure: 1. a screening box; 2. a base plate; 3. a second screen; 4. a first screen; 5. a fixing plate; 6. a limiting rod; 7. a first bevel gear; 8. rotating the rod; 9. a second bevel gear; 10. a cam; 11. a motor; 12. a first clamping groove; 13. a second clamping groove; 14. mounting a plate; 15. a clamping block; 16. a third bevel gear; 17. an air extraction box; 18. a reciprocating screw rod; 19. a fourth bevel gear; 20. a movable plate; 21. a connecting rod; 22. a piston; 23. a filter box; 24. a filter screen; 25. an exhaust pipe; 26. an air exhaust pipe; 27. a chute; 28. a slider; 29. and a collection box.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

The first embodiment is as follows:

referring to fig. 1 to 3, the present invention provides a technical solution: a mechanical screening device comprises a screening box 1, one side of the screening box 1 is provided with an installation port of a first screen 4, one side of the screening box 1 is provided with a cleaning port which is usually plugged by a sealing plug, the sealing plug can be removed, a backing plate 2 is fixedly installed on the inner wall of the screening box 1, the upper surface of the backing plate 2 is provided with a second screen 3, the first screen 4 is screened to fall on the upper surface of the second screen 3, the first screen 4 is arranged in the inner cavity of the screening box 1 and above the second screen 3, goods are added into the inner cavity of the screening box 1 to fall on the upper surface of the first screen 4, primary screening is carried out through the first screen 4, a fixing plate 5 is fixedly installed on the inner wall of the screening box 1, the upper surface of the fixing plate 5 is rotatably connected with a limiting rod 6, one end of the limiting rod 6 penetrates through the second screen 3 and is movably connected with the second screen 3, the surface of the limiting rod 6 is sleeved with a first bevel gear 7, the inner cavity of the screening box 1 is rotatably connected with two rotating rods 8, the surfaces of the two rotating rods 8 are fixedly sleeved with cams 10, the rotating rods 8 drive the cams 10 to rotate, the cams 10 are utilized to flap the second screen 3 for secondary screening, which is more convenient and saves manpower, one ends corresponding to the two rotating rods 8 are fixedly connected with second bevel gears 9, the two second bevel gears 9 are meshed with the first bevel gear 7, the first bevel gear 7 is meshed with the second bevel gear 9, the two second bevel gears 9 can be rotated to further drive the two rotating rods 8 to rotate, the surface of the screening box 1 is fixedly provided with a motor 11, the output end of the motor 11 extends to the inner cavity of the screening box 1 and is fixedly connected with one rotating rod 8, and the motor 11 is utilized to drive one rotating rod 8 to rotate, make one of them second cone gear 9 rotate, first joint groove 12 has been seted up to the inner wall of screening case 1, second joint groove 13 has been seted up on the surface of screening case 1, one side joint to the inner chamber of first joint groove 12 of first screen cloth 4, the opposite side fixedly connected with mounting panel 14 of first screen cloth 4, one side fixed mounting of mounting panel 14 has joint piece 15, joint piece 15 joint to the inner chamber of second joint groove 13, through the inner chamber of the one side joint to first joint groove 12 of first screen cloth 4, make joint piece 15 joint to the inner chamber of second joint groove 13 simultaneously, accomplish the installation to first screen cloth 4, the inner chamber of screening case 1 is provided with collecting box 29, spout 27 has been seted up to the inside of screening case 1, the inner chamber sliding connection of spout 27 has slider 28, slider 28 and collecting box 29 fixed connection, can collect the goods after the screening through collecting box 29, and is more convenient.

Example two:

referring to fig. 1 to 3, one end of the other rotating rod 8 penetrates through the screening box 1 and is fixedly connected with a third bevel gear 16, the third bevel gear 16 can be driven to rotate by the rotation of the rotating rod 8, the surface of the screening box 1 is fixedly provided with an air extracting box 17, the middle part of the lower surface of the air extracting box 17 is fixedly and rotatably connected with a reciprocating screw rod 18, the reciprocating screw rod 18 is driven to rotate by the fourth bevel gear 19, one end of the reciprocating screw rod 18 is fixedly connected with the fourth bevel gear 19, the fourth bevel gear 19 is meshed with the third bevel gear 16, because the third bevel gear 16 is meshed with the fourth bevel gear 19, the third bevel gear 16 drives the fourth bevel gear 19 to rotate, the surface thread of the reciprocating screw rod 18 is sleeved with the movable plate 20, the movable plate 20 is driven to move through the reciprocating screw rod 18, the upper surface of the movable plate 20 is fixedly provided with a connecting rod 21, one end of the connecting rod 21 extends to the inner cavity of the air extraction box 17 and is fixedly connected with a piston 22, the piston 22 is driven to move in the inner cavity of the air extraction box 17 by the matching of the movable plate 20 and the connecting rod 21, an air extraction pipe 26 is fixedly arranged inside the air extraction box 17, and by the matching of the piston 22 and the air extraction pipe 26, dust generated during screening can be sucked into the inner cavity of the air extraction box 17, a filter box 23 is fixedly arranged on one side of the air extraction box 17, a filter screen 24 is arranged in the filter box 23, the dust is filtered by the filter screen 24, the condition that the operator is in an environment with much dust for a long time and the body health is influenced is avoided, an exhaust pipe 25 is fixedly arranged in the filter box 23, dust is discharged into the inner cavity of the filter box 23 through the exhaust pipe 25, one end of the exhaust pipe 25 extends to the inner cavity of the air suction box 17, and the surfaces of the exhaust pipe 25 and the air suction pipe 26 are provided with one-way valves.

In summary, when the mechanical screening device is used, firstly, the collecting box 29 is placed in the inner cavity of the screening box 1, the sliding block 28 is located in the inner cavity of the sliding chute 27, goods are loaded into the inner cavity of the screening box 1 and fall on the upper surface of the first screen 4, after primary screening is performed through the first screen 4, the goods fall on the upper surface of the second screen 3, the motor 11 is used for driving one of the rotating rods 8 to rotate, one of the second bevel gears 9 is rotated, the first bevel gear 7 is meshed with the second bevel gear 9, the two rotating rods 8 can be rotated, the third bevel gear 16 is rotated at the same time, the cam 10 is driven by the rotating rod 8 to rotate, the second screen 3 is flapped by the cam 10, secondary screening is performed, the piston 22 is meshed with the fourth bevel gear 19, the third bevel gear 16 drives the fourth bevel gear 19 to rotate, the reciprocating screw 18 is rotated, the movable plate 20 can be driven to move, the movable plate 20 is matched with the connecting rod 21 to drive the piston 22 in the inner cavity of the screening box 17, the suction pipe 22 is matched with the suction pipe 22, dust can be sucked into the inner cavity of the filtering box, and dust can be filtered through the exhaust pipe 25, and the exhaust pipe 23, and the dust can be exhausted through the filtering box, and the dust can be exhausted.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a mechanical screening device, includes screening case (1), its characterized in that: inner wall fixed mounting of screening case (1) has backing plate (2), the upper surface of backing plate (2) is provided with second screen cloth (3), the inner chamber of screening case (1) and the top that is located second screen cloth (3) are provided with first screen cloth (4), the inner wall fixed mounting of screening case (1) has fixed plate (5), the upper surface of fixed plate (5) rotates and is connected with gag lever post (6), the one end of gag lever post (6) run through second screen cloth (3) and with second screen cloth (3) swing joint, first conical gear (7) have been cup jointed on the surface of gag lever post (6), the inner chamber of screening case (1) rotates and is connected with two dwang (8), two the surface of dwang (8) all is fixed and has been cup jointed cam (10), two the equal fixedly connected with second conical gear (9) of the corresponding one end of dwang (8), two second conical gear (9) all mesh with first conical gear (7).

2. A mechanical screening apparatus according to claim 1, wherein: the fixed surface of screening case (1) installs motor (11), the output of motor (11) extend to the inner chamber of screening case (1) and with one of them dwang (8) fixed connection, another the one end of dwang (8) runs through screening case (1) and fixedly connected with third bevel gear (16).

3. A mechanical screening apparatus according to claim 1, wherein: first joint groove (12) have been seted up to the inner wall of screening case (1), second joint groove (13) have been seted up on the surface of screening case (1), one side joint to the inner chamber in first joint groove (12) of first screen cloth (4), the opposite side fixedly connected with mounting panel (14) of first screen cloth (4), one side fixed mounting of mounting panel (14) has joint piece (15), the inner chamber in joint piece (15) joint to second joint groove (13).

4. A mechanical screening apparatus according to claim 1, wherein: the inner chamber of screening case (1) is provided with collecting box (29), spout (27) have been seted up to the inside of screening case (1), the inner chamber sliding connection of spout (27) has slider (28), slider (28) and collecting box (29) fixed connection.

5. A mechanical screening apparatus according to claim 1, wherein: the surface of the screening box (1) is fixedly provided with an air pumping box (17), the middle of the lower surface of the air pumping box (17) is fixedly and rotatably connected with a reciprocating screw rod (18), one end of the reciprocating screw rod (18) is fixedly connected with a fourth bevel gear (19), and the fourth bevel gear (19) is meshed with a third bevel gear (16).

6. A mechanical screening apparatus according to claim 5, wherein: the surface thread of reciprocal lead screw (18) has cup jointed fly leaf (20), the last fixed surface of fly leaf (20) installs connecting rod (21), the one end of connecting rod (21) extends to inner chamber and the fixedly connected with piston (22) of exhaust chamber (17), the inside fixed mounting of exhaust chamber (17) has exhaust tube (26).

7. A mechanical screening apparatus according to claim 6, wherein: one side fixed mounting of exhaust box (17) has rose box (23), the inside of rose box (23) is provided with filter screen (24), the inside fixed mounting of rose box (23) has blast pipe (25), the one end of blast pipe (25) extends to the inner chamber of exhaust box (17), the surface of blast pipe (25) and exhaust tube (26) all is provided with the check valve.