CN216965736U

CN216965736U - Prevent that dust from drifting away airtight sieve machine

Info

Publication number: CN216965736U
Application number: CN202220633182.6U
Authority: CN
Inventors: 李硕; 李洪平; 刘明亮
Original assignee: ZIBO DONGSEN PETROLEUM TECHNOLOGY DEVELOPMENT CO LTD
Current assignee: ZIBO DONGSEN PETROLEUM TECHNOLOGY DEVELOPMENT CO LTD
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2022-07-15
Anticipated expiration: 2032-03-22

Abstract

The utility model relates to the field of screening equipment, in particular to a closed screening machine for preventing dust from floating, which comprises a frame body, wherein the left side of the inner wall of the frame body is fixedly connected with a collecting frame, the front side and the rear side of the inner wall of the frame body are rotatably connected with a flow guide screen, and the left side of the bottom surface of the flow guide screen is lapped with the right side of the top surface of the collecting frame. The device plugs up through the right-hand member with the screen pipe, the user plugs up the back with the inlet pipe after through carrying the raw materials to the inlet pipe, the rethread aspirator operation, when the inside of filter screen frame is gone into with the gas discharge in the frame, make to produce the negative pressure in the frame, when reducing the screen pipe and screening the raw materials, the possibility that the raise dust drifted out, guarantee user's operational environment, then open the screen pipe, the rethread screen pipe rotates and will filter the raw materials after with the helicoid cooperation and continuously carry out, it is more convenient to take out the raw materials after the screening, time saving and labor saving, and when opening the screen pipe, gas gets into the inside of frame along the screen pipe, it drifts out to reduce the dust from the screen pipe.

Description

Prevent that dust from drifting away airtight sieve machine

Technical Field

The utility model relates to the field of screening equipment, in particular to a closed screening machine for preventing dust from floating.

Background

The screening equipment is widely used for grading, desliming, dehydrating, medium removing operations and the like in industrial departments such as mines, ore dressing, coal dressing, building materials, thermal power plants, chemical engineering and the like.

When the existing partially-closed screening machine is used for screening raw materials, the raw materials are directly conveyed into a screen frame, after screening is finished, the raw materials need to be taken out, and then new raw materials are added into the screening machine, so that the operation process is complex and time-consuming; and the device is being accomplished the raw materials screening, and inconvenient debris to the sieve are collected, and the practicality is not good.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a closed screening machine for preventing dust from floating, which aims to solve the problems that the prior art provides a closed screening machine which directly conveys raw materials into a screen frame when the raw materials are screened, the raw materials need to be taken out after the screening is finished, and then new raw materials are added into the closed screening machine, so that the operation process is complicated and time-consuming; and the device is being accomplished the raw materials screening back, and inconvenient debris to the sieve are collected, the not good problem of practicality.

In order to achieve the purpose, the utility model provides the following technical scheme: a closed screening machine for preventing dust from floating comprises a frame body, wherein a collecting frame is fixedly connected to the left side of the inner wall of the frame body, guide screens are rotatably connected to the front side and the rear side of the inner wall of the frame body, and the left side of the bottom surface of each guide screen is in lap joint with the right side of the top surface of the collecting frame;

bearings are fixedly connected to the front side and the rear side of the inner wall of the frame body, a sieve tube is fixedly connected to the inside of each bearing, the right end of the sieve tube extends to the right side of the frame body, a spiral ring is fixedly connected to the inside of the sieve tube, a driven gear is fixedly sleeved on the left side of the side face of the sieve tube, a cam is fixedly sleeved on the right side of the side face of the sieve tube, and the side face of the cam is in lap joint with the right side of the top face of the diversion sieve;

the front side fixedly connected with motor of framework inner wall, the fixed driving gear that has cup jointed in side of motor axis of rotation, and the side of driving gear and driven gear's side meshing, the front side fixedly connected with aspirator of framework, the intake pipe of aspirator extends to the inside of framework, the fixedly connected with filter screen frame of giving vent to anger of aspirator, the rear side of filter screen frame and the positive fixed connection of framework.

Preferably, the left side of framework inner wall is fixed with the inlet pipe of pegging graft, and the one end of inlet pipe extends to the left side of screen pipe inner wall.

Preferably, the side face of the bearing is fixedly connected with a fixing rod, and one end of the fixing rod, which is far away from the bearing, is fixedly connected with the side face of the inner wall of the frame body.

Preferably, the included angle between the diversion screen and the bottom surface of the inner wall of the frame body is 30 degrees.

Preferably, the left side of the inner wall of the sieve tube is fixedly connected with a hollow disc, and the hollow disc is arranged on the outer side of the feeding pipe.

Preferably, the side fixedly connected with fixed block of motor, and the front side of fixed block and the front side fixed connection of framework inner wall.

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

according to the utility model, the right end of the sieve tube is blocked, after a user blocks the feeding tube after conveying raw materials into the feeding tube, the air aspirator is operated to discharge gas in the frame into the filter screen frame, so that negative pressure is generated in the frame, the possibility of flying dust when the sieve tube screens the raw materials is reduced, the working environment of the user is ensured, then the sieve tube is opened, the filtered raw materials are continuously conveyed out through the rotation of the sieve tube and the matching of the sieve tube and the spiral ring, the screened raw materials are more convenient to take out, time and labor are saved, and when the sieve tube is opened, the gas enters the inside of the frame along the sieve tube, and the dust is reduced from flying out of the sieve tube.

According to the utility model, after raw materials are conveyed into the feeding pipe, the driving gear is driven to rotate through the motor, so that the driving gear drives the driven gear and the sieve pipe to rotate, the sieve pipe is matched with the spiral ring to convey the raw materials in the sieve pipe to the right, the raw materials are sieved through holes in the side surface of the sieve pipe, impurities in the raw materials are enabled to fall onto the diversion sieve, the sieve pipe is driven to rotate by the cam on the side surface to push the right end of the diversion sieve when rotating, the right end of the diversion sieve is enabled to move up and down, the impurities on the upper side of the diversion sieve are collected into the collection frame, and the collection frame is convenient for a subsequent user to clean the diversion sieve.

Drawings

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

FIG. 2 is a cross-sectional view of a three-dimensional structure of the present invention;

fig. 3 is a partial perspective view of the present invention.

In the figure: 1. a frame body; 2. a collection frame; 3. a flow guide sieve; 4. a bearing; 5. a screen pipe; 6. a helical coil; 7. a driven gear; 8. a motor; 9. a driving gear; 10. an aspirator; 11. a screen frame; 12. a feed pipe; 13. a cam.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: a closed screening machine for preventing dust from floating comprises a frame body 1, wherein a collecting frame 2 is fixedly connected to the left side of the inner wall of the frame body 1, guide screens 3 are rotatably connected to the front side and the rear side of the inner wall of the frame body 1, and the left sides of the bottom surfaces of the guide screens 3 are in lap joint with the right sides of the top surfaces of the collecting frame 2;

the front side and the rear side of the inner wall of the frame body 1 are fixedly connected with bearings 4, the inside of the bearings 4 is fixedly connected with a sieve tube 5, the right end of the sieve tube 5 extends to the right side of the frame body 1, the inside of the sieve tube 5 is fixedly connected with a spiral ring 6, the left side of the side surface of the sieve tube 5 is fixedly sleeved with a driven gear 7, the right side of the side surface of the sieve tube 5 is fixedly sleeved with a cam 13, and the side surface of the cam 13 is lapped with the right side of the top surface of the diversion sieve 3;

the front side of the inner wall of the frame body 1 is fixedly connected with a motor 8, the side of the rotating shaft of the motor 8 is fixedly sleeved with a driving gear 9, the side of the driving gear 9 is meshed with the side of the driven gear 7, the front side of the frame body 1 is fixedly connected with an aspirator 10, the air inlet pipe of the aspirator 10 extends to the inside of the frame body 1, the air outlet end of the aspirator 10 is fixedly connected with a filter screen frame 11, and the rear side of the filter screen frame 11 is fixedly connected with the front side of the frame body 1.

In this embodiment, as shown in fig. 1, 2 and 3, a feed pipe 12 is fixedly inserted into the left side of the inner wall of the frame 1, and one end of the feed pipe 12 extends to the left side of the inner wall of the sieve tube 5, so that a user can conveniently and stably feed raw materials into the sieve tube 5 through the feed pipe 12.

In this embodiment, as shown in fig. 1 and fig. 2, a fixing rod is fixedly connected to a side surface of the bearing 4, and one end of the fixing rod, which is far away from the bearing 4, is fixedly connected to a side surface of an inner wall of the frame 1, so that stability of connection between the bearing 4 and the bearing 4 is ensured by the fixing rod.

In this embodiment, as shown in fig. 1 and 2, an included angle between the diversion screen 3 and the bottom surface of the inner wall of the frame 1 is 30 °, and the inclined diversion screen 3 is convenient for diverting, collecting and conveying the raw materials falling on the diversion screen 3 to the collection frame 2.

In this embodiment, as shown in fig. 1 and 2, the hollow disc is fixedly connected to the left side of the inner wall of the sieve tube 5, and the hollow disc is located outside the feeding pipe 12, so that the raw material in the sieve tube 5 is blocked by the hollow disc, and the sieve tube 5 is ensured to be matched with the spiral coil 6, thereby facilitating stable conveying of the raw material.

In this embodiment, as shown in fig. 1 and 2, the side of the motor 8 is fixedly connected with the fixing block, and the front side of the fixing block is fixedly connected with the front side of the inner wall of the frame 1, so that the stability of the connection between the motor 8 and the inner wall of the frame 1 is ensured by the fixing block.

The use method and the advantages of the utility model are as follows: when the airtight screening machine for preventing dust from flying is used, the working process is as follows:

as shown in fig. 1, 2 and 3, the right end of the sieve tube 5 is blocked, a user blocks the feed tube 12 after conveying raw materials into the feed tube 12, then the motor 8 drives the driving gear 9 to rotate, so that the driving gear 9 drives the driven gear 7 and the sieve tube 5 to rotate, the sieve tube 5 is matched with the spiral ring 6 to convey the raw materials in the sieve tube 5 to the right, the raw materials are screened through holes in the side surface of the sieve tube 5, impurities in the raw materials are enabled to fall onto the diversion sieve 3, and the sieve tube 5 drives the cam 13 on the side surface to rotate to push the right end of the diversion sieve 3 when rotating, so that the right end of the diversion sieve 3 moves up and down, the impurities on the upper side of the diversion sieve 3 are enabled to be collected into the collection frame 2, and the subsequent user can clean the diversion sieve conveniently;

then the sieve tube 5 is opened, the sieve tube 5 rotates and is matched with the spiral ring 6 to continuously convey the filtered raw materials out, the sieved raw materials are more convenient to take out, and when the sieve tube 5 is opened, gas enters the inside of the frame body 1 along the sieve tube 5, so that dust is reduced from floating out of the sieve tube 5;

then, the air aspirator 10 is operated to discharge the gas in the frame body 1 into the filter screen frame 11, so that negative pressure is generated in the frame body 1, the possibility of flying dust when the screen pipe 5 screens raw materials is reduced, and the working environment of a user is ensured.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a prevent that dust from drifting about airtight sieve machine, includes framework (1), its characterized in that: the left side of the inner wall of the frame body (1) is fixedly connected with a collecting frame (2), the front side and the rear side of the inner wall of the frame body (1) are rotatably connected with a diversion screen (3), and the left side of the bottom surface of the diversion screen (3) is in lap joint with the right side of the top surface of the collecting frame (2);

the front side and the rear side of the inner wall of the frame body (1) are fixedly connected with bearings (4), a sieve tube (5) is fixedly connected inside the bearings (4), the right end of the sieve tube (5) extends to the right side of the frame body (1), a spiral ring (6) is fixedly connected inside the sieve tube (5), a driven gear (7) is fixedly sleeved on the left side of the side surface of the sieve tube (5), a cam (13) is fixedly sleeved on the right side of the side surface of the sieve tube (5), and the side surface of the cam (13) is in lap joint with the right side of the top surface of the diversion sieve (3);

the utility model discloses a filter screen, including framework (1), the front side fixedly connected with motor (8) of framework (1) inner wall, the fixed cover in side of motor (8) axis of rotation has connect driving gear (9), and the side meshing of the side of driving gear (9) and driven gear (7), the front side fixedly connected with aspirator (10) of framework (1), the intake pipe of aspirator (10) extends to the inside of framework (1), the fixedly connected with filter screen frame (11) of giving vent to anger of aspirator (10), the rear side of filter screen frame (11) and the positive fixed connection of framework (1).

2. The closed screening machine for preventing dust drift of claim 1, wherein: the left side of framework (1) inner wall is fixed to be pegged graft there is inlet pipe (12), and the one end of inlet pipe (12) extends to the left side of screen pipe (5) inner wall.

3. The closed screening machine for preventing dust drift of claim 1, wherein: the side face of the bearing (4) is fixedly connected with a fixing rod, and one end, far away from the bearing (4), of the fixing rod is fixedly connected with the side face of the inner wall of the frame body (1).

4. The closed screening machine for preventing dust drift of claim 1, wherein: the included angle between the diversion screen (3) and the bottom surface of the inner wall of the frame body (1) is 30 degrees.

5. The closed screening machine for preventing dust drift of claim 1, wherein: the left side of screen pipe (5) inner wall fixedly connected with hollow dish, and hollow dish is in the outside of inlet pipe (12).

6. The closed screening machine for preventing dust drift of claim 1, wherein: the side fixedly connected with fixed block of motor (8), and the front side of fixed block and the front side fixed connection of framework (1) inner wall.