CN219850637U

CN219850637U - Vibrating screen

Info

Publication number: CN219850637U
Application number: CN202320304129.6U
Authority: CN
Inventors: 何翔翔; 赵璇; 史晓玲; 刘佳鑫; 洪尚言; 党颖卓; 吴亦佳; 张思宇
Original assignee: Sinohydro Bureau 12 Co Ltd
Current assignee: Sinohydro Bureau 12 Co Ltd
Priority date: 2023-02-24
Filing date: 2023-02-24
Publication date: 2023-10-20
Anticipated expiration: 2033-02-24

Abstract

The utility model provides a vibrating screen, which relates to the technical field of vibrating screens, wherein a screen body of the vibrating screen is arranged in a sealed box, a feeding part and a discharging hole are arranged on the sealed box, a dust collecting hole is arranged on the sealed box, the dust collecting hole is connected with a dust collecting assembly, the dust collecting assembly comprises a pipe body, a fan, an interception net and a dust recovering hole, the pipe body and the dust recovering hole are connected with the fan, the pipe body is connected with the dust collecting hole, the interception net is cylindrical with one side open, and the interception net is movably arranged in the pipe body. Through setting up the interception net that can adjust, can be after the shale shaker uses for a long time, adjust the interception net length that gets into screening space, the part interception net that newly stretches into in the screening space has better trafficability characteristic to avoid part interception net to use for a long time after because the problem that the dust collection efficiency that blocks up and lead to is low, and then avoid producing the dust that a large amount of dust lead to and spill over the problem that pollutes operational environment.

Description

Vibrating screen

Technical Field

The utility model relates to the technical field of vibrating screens, in particular to a vibrating screen.

Background

The vibrating screen is generally mechanical equipment for screening materials, vibration is generated through operation of a motor, then the screen is driven to vibrate, the materials vibrate to pass through the screen, rapid screening of the materials is achieved, the vibrating screen is widely applied to the fields of construction, mining and the like, dust is very easy to form in the screening process, environment is polluted, the vibrating screen is generally arranged in a sealed cavity, dust collection is carried out through a dust absorption mechanism, a net-shaped structure similar to a filter screen is arranged at an absorption port for intercepting particles except dust, but in continuous operation, the dust collection port is blocked due to dust accumulation, dust collection cannot be completed efficiently, dust overflows, the working environment is polluted, a large amount of dust is mixed into the materials, the screening effect is reduced, the working efficiency is reduced and the labor cost is increased if frequent maintenance or replacement is carried out.

Disclosure of Invention

The utility model aims to provide a vibrating screen, which solves the problems of low dust collection efficiency and the like caused by easy blockage after long-time use of a dust absorption port, prolongs the service time of the dust collection port by arranging an adjustable interception net, and reduces maintenance or replacement frequency.

In order to solve the problems, the utility model provides a vibrating screen, wherein a screen body of the vibrating screen is arranged in a sealing box, a feeding part and a discharging hole are arranged on the sealing box, a dust collecting opening is arranged on the sealing box, the dust collecting opening is connected with a dust collecting assembly, the dust collecting assembly comprises a pipe body, a fan, an interception net and a dust recovery opening, the pipe body and the dust recovery opening are connected with the fan, the pipe body is connected with the dust collecting opening, the interception net is cylindrical with one side open, and the interception net is movably arranged in the pipe body.

According to an embodiment of the present utility model, dust collection ports are disposed between adjacent screen bodies.

According to one embodiment of the utility model, a containing annular cavity is arranged in the pipe wall of the pipe body, and the interception net is installed in the containing annular cavity.

According to an embodiment of the utility model, a plurality of dust collecting ports are arranged between adjacent screen bodies, each dust collecting port is connected with the pipe body, the pipe body is connected with the switching pipe, the switching pipe is connected with the conveying pipe, and the conveying pipe is connected with the fan.

According to an embodiment of the present utility model, the adaptor pipe is connected to the delivery pipe through a bellows.

According to one embodiment of the utility model, the pipe body is provided with an adjusting mechanism, the adjusting mechanism is used for adjusting the extension length of the interception net, the adjusting mechanism comprises a pushing part arranged in the storage annular cavity, and the pushing part can move in the storage annular cavity to push the interception net.

According to an embodiment of the utility model, the mesh diameter of the interception net gradually increases from the closed end to the open end.

According to the embodiment of the utility model, the interception net is provided with the rubber ring, and the rubber ring is in interference fit with the storage annular cavity.

According to an embodiment of the utility model, a dustproof curtain is arranged at the discharge hole.

According to an embodiment of the utility model, the dust collection assembly is arranged in an equipment cabinet.

The utility model has the beneficial effects that the length of the interception net entering the screening space can be adjusted after the vibrating screen is used for a long time by arranging the adjustable interception net, and the part of the interception net newly extending into the screening space has better trafficability, so that the problem of low dust collection efficiency caused by blockage after the part of interception net is used for a long time is avoided, and the problem of pollution to the working environment caused by dust overflow caused by a large amount of dust is further avoided.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a schematic view of the overall structure of a vibrating screen;

FIG. 2 is a schematic diagram of a dust collection assembly;

FIG. 3 is a side view of the tube and dust collection port;

fig. 4 is a schematic view of the structure of the pipe body and the interception net.

Detailed Description

The following description is presented to enable one skilled in the art to practice the utility model and is provided only to enable the utility model. The embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art. The basic principles of the utility model defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other arrangements without departing from the spirit and scope of the utility model.

[ example 1 ]

A vibrating screen, as shown in figure 1, comprises a supporting structure, a power structure, a screen body 15 and a dust collecting assembly, wherein the supporting structure comprises a base 10 and a supporting spring 13, the screen body 15 comprises a mesh screen and a machine body, the machine body is connected with the supporting spring 13, the power mechanism comprises a motor 12, a belt transmission mechanism 11 and a vibration exciter, the motor 12 drives a main shaft of the vibration exciter to rotate through a belt wheel and a belt, the vibration exciting force is generated through the rotation of an eccentric block on the main shaft, the eccentric distance of the eccentric block is changed, different vibration amplitudes can be obtained, and the structure of the part is consistent with that of the traditional vibrating screen and is not repeated.

Specifically, the screen body 15 of the vibrating screen is arranged in the sealed box 4, if the screen body 15 is in a front-rear side closed type, the sealed box 4 can be obtained only by welding plate bodies at the top and the left end and the right end of the screen body, the feeding part 14 and the discharging opening 16 are arranged on the sealed box 4, as shown in fig. 1, the feeding part 14 is a feeding pipe, raw materials fall onto a mesh screen through feeding pipe feeding, the raw materials with different particle diameters after sieving are respectively discharged through the discharging opening 16, a plurality of conveying belts can be arranged at the discharging opening 16 to convey the raw materials, a dustproof curtain is arranged at the discharging opening 16, the dustproof curtain is in a plastic strip-shaped structure, the effect of preventing a large amount of dust from overflowing is achieved, a large amount of generated dust is in the sealed box 4 in the vibrating screening process, the dust collecting opening 40 is arranged on the sealed box 4, as shown in fig. 2, the dust collecting assembly comprises a pipe body 24, a fan 25, a blocking net 3 and a dust recovering opening 26, the pipe 24 and the recovering opening 26 are connected with the fan 25, the pipe body 24 and the dust collecting opening 24 is connected with the fan 25, as shown in the cylindrical collecting opening 3, the dust collecting opening is arranged at one side of the cylindrical opening 3, the dust collecting opening is closed at the side of the collecting opening 24, and the dust collecting opening is closed at the suction opening 4, and the dust collecting opening is closed at the side of the collecting opening 3, and the dust collecting opening is arranged at the suction opening 24.

As shown in fig. 2 and 3, a plurality of dust collecting ports 40 are arranged on the sealing box, each dust collecting port 40 is connected with a pipe body 24, the pipe body 24 is connected with a transfer pipe 21, the transfer pipe 21 is connected with a conveying pipe 22, the transfer pipe 21 is preferably connected with the conveying pipe 22 through a corrugated pipe 27, and the conveying pipe 22 is connected with a fan 25.

Preferably, the dust collection assembly is provided in the equipment cabinet 2, and both the top and rear panels of the equipment cabinet 2 are detachable.

As shown in fig. 3, the adapter tube 21 is connected with the seal box 4 through a connecting piece, the position of the tube body 24 is guaranteed, the connecting piece is a connecting rod fixed on the adapter tube 21, and the connecting rod is connected with the seal box 4 through a bolt.

In order to achieve better dust collection effect, dust collection openings 40 are formed between the upper and lower adjacent mesh screens, so that a multi-layer dust collection structure is formed, as shown in fig. 2, each layer of dust collection structure corresponds to one switching tube 21 and a plurality of tube bodies 24.

The interception net 3 has two mounting modes, one is that the interception net 3 is mounted in the pipe body 24 in an interference fit manner, an ejection bolt is arranged in the pipe body 24, extends along the pipe body 24 and extends out of the switching pipe 21, and the extending length of the interception net 3 is adjusted by rotating the ejection bolt.

The other mounting mode is as shown in fig. 4, a storage annular cavity 240 is formed in the pipe wall of the pipe body 24, the interception net 3 is mounted in the storage annular cavity 240, a rubber ring 31 is arranged on the outer ring of one end of an opening of the interception net 3, the rubber ring 31 is in interference fit with the storage annular cavity 240, the effect of preventing the interception net 3 from falling off is achieved, further, an adjusting mechanism is arranged on the pipe body 24 and used for adjusting the stretching length of the interception net 3, the adjusting mechanism comprises a pushing part 23 mounted in the storage annular cavity 240, the pushing part 23 can move in the storage annular cavity 240 to push the interception net 3, sliding grooves are formed in the storage annular cavity 240, the pushing part 23 is in a rod shape and is provided with two groups, the outer ends of the pushing part 23 extend out of the storage annular cavity 240 through the upper sliding grooves and the lower sliding grooves, the control rod 28 stretches out of the sealing box 4, the control rod 28 can push the interception net 3, each dust collecting structure layer uses a control rod, the whole collecting structure can share one control rod, a position maintaining structure is arranged on the control rod, if the control rod is arranged, a jack bolt is screwed into the sealing box 4, and a jack bolt is screwed into the sealing box at a tight position, and a tight bolt is arranged at the tight bolt position.

The interception net part is blocked, and then dust can be continuously collected by adjusting the protrusion amount, so that the vibrating screen can be used for a long time without stopping machine for maintenance, the screening efficiency is improved, and the labor cost is reduced.

Embodiment two: on the basis of the first embodiment, in order to further avoid the interception net 3 from falling off, an internal thread, optionally a self-locking thread, is arranged at one end of the interception net, which is close to the pushing part 23, and an external thread is arranged at the front end of the pushing part 23, so that the interception net 3 and the pushing part 23 are mounted in a threaded fit.

Embodiment III: on the basis of the first or second embodiment, the diameter of the mesh holes on the interception net 3 is gradually increased from the closed end to the open end, and the effect of collecting dust with different diameters can be achieved by arranging the mesh holes with different diameters on the interception net, so that the method has certain adaptability when the raw materials or screening requirements are changed.

It will be appreciated by persons skilled in the art that the embodiments of the utility model described above and shown in the drawings are by way of example only and are not limiting. The objects of the present utility model have been fully and effectively achieved. The functional and structural principles of the present utility model have been shown and described in the examples and embodiments of the utility model are susceptible to any variations and modifications without departing from the principles.

Claims

1. A vibrating screen, characterized in that: the utility model provides a vibrating screen's screen frame (15) set up in seal box (4), be provided with feed inlet (14) and discharge gate (16) on seal box (4), be provided with dust collection mouth (40) on seal box (4), dust collection mouth (40) are connected with dust collection subassembly, dust collection subassembly includes body (24), fan (25), interception net (3) and dust recovery mouth (26), body (24) and dust recovery mouth (26) with fan (25) are connected, body (24) with dust collection mouth (40) are connected, interception net (3) are one side open-ended cylindric, interception net (3) movable mounting is in body (24).

2. A vibrating screen according to claim 1, wherein: dust collection ports (40) are arranged between the adjacent screen bodies (15).

3. A vibrating screen according to claim 2, wherein: an accommodating annular cavity (240) is formed in the pipe wall of the pipe body (24), and the interception net (3) is installed in the accommodating annular cavity (240).

4. A vibrating screen according to claim 3 wherein: be provided with a plurality of dust collection mouth (40) between adjacent screen frame (15), every dust collection mouth (40) all with body (24) are connected, body (24) are connected with transfer pipe (21), transfer pipe (21) are connected with conveyer pipe (22), conveyer pipe (22) with fan (25) are connected.

5. A vibrating screen according to claim 4 wherein: the switching pipe (21) is connected with the conveying pipe (22) through a corrugated pipe (27).

6. A vibrating screen according to any one of claims 3 to 5 wherein: the pipe body (24) is provided with an adjusting mechanism, the adjusting mechanism is used for adjusting the extending length of the interception net (3), the adjusting mechanism comprises a pushing part (23) arranged in the accommodating annular cavity (240), and the pushing part (23) can move in the accommodating annular cavity (240) to push the interception net (3).

7. A vibrating screen according to claim 6 wherein: the diameter of the mesh holes on the interception net (3) gradually increases from the closed end to the open end.

8. A vibrating screen according to claim 6 wherein: be provided with rubber ring (31) on interception net (3), rubber ring (31) with accomodate annular chamber (240) be interference fit.

9. A vibrating screen according to any one of claims 1 to 5, 7 and 8 wherein: and a dustproof curtain is arranged at the discharge hole (16).

10. A vibrating screen according to claim 9 wherein: the dust collection assembly is arranged in the equipment box (2).