CN220215609U - Portable powder classifying and screening device - Google Patents

Abstract

The utility model relates to a portable powder classifying and screening device, which belongs to the technical field of powder processing and comprises a plurality of groups of screen trays which are arranged in a vertical direction in a nested manner, wherein the screen trays comprise screen meshes which are arranged from top to bottom, the screen trays at the top are provided with screening covers, the screen trays at the bottom are provided with chassis, the central positions of the plurality of groups of screen trays are respectively and fixedly provided with a vertical sleeve, the sleeves are rotationally connected with a vertical rotating shaft, the shaft wall of the rotating shaft is provided with a brush rod which is contacted with the screen meshes, and the screening covers are provided with driving components connected with the rotating shaft. The screening device has wide application scene and reduces the phenomenon of powder ash scattering.

Description

Portable powder classifying and screening device

Technical Field

The utility model relates to the technical field of powder processing, in particular to a portable powder classifying and screening device.

Background

The screening operation has wide application in mining and metallurgy, construction, chemical industry and other fields. In the industrial production process, materials such as sand, heavy calcium and the like are often required to be classified and screened according to the particle size by a standard screen, so that the quality of the materials is evaluated.

At present, two main powder screening methods exist, one is that a standard screen is fixed by a vibrating screen machine and is electrified, and materials are screened and separated by vibration, and the method is applicable to electrified places; the other is to brush the material in the standard sieve manually, and solid particles pass through the sieve under the action of the brush.

In view of the above-described related art, the inventors have recognized a need for a new screening device that is not limited by the site of use, and reduces the emission of material dust.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide a portable powder classifying and screening device.

The utility model provides a portable powder classifying and screening device, which adopts the following technical scheme:

the utility model provides a portable powder classifying and screening device, includes multiunit along the nested sieve dish of vertical direction range, the sieve dish is including the screen cloth, from top to bottom range the mesh number of sieve dish screen cloth is diminish step by step, is located the top the sieve dish is provided with the screening lid, is located the bottom the sieve dish is provided with the chassis, multiunit the sieve dish central point puts and fixedly is provided with vertical sleeve pipe respectively, the sleeve pipe rotation is connected with vertical pivot, pivot shaft wall is provided with the brush pole that contacts with the screen cloth, the screening lid is provided with the drive assembly who is connected with the pivot.

Preferably, the rotating shaft is formed by splicing a plurality of groups of short shafts, each short shaft is rotatably arranged in the sleeve, and the bottom end of the short shaft positioned above and the top end of the short shaft positioned below are in an engagement state.

Preferably, the drive assembly includes bull stick and rocker, the bull stick rotates along vertical direction and connects in the central point of screening lid puts, the bull stick is the state of passing the screening lid, the bull stick bottom meshes with the pivot top mutually, rocker fixed connection is in the bull stick top.

Preferably, the driving assembly further comprises a motor, a bevel gear and a rim, the outer wall of the screen disc is provided with a supporting plate, the motor is arranged on the surface of the supporting plate, the rim horizontally rotates to be connected to the surface of the screening cover, the bevel gear is arranged at the output end of the motor, the rim is provided with a bevel gear groove meshed with the bevel gear, and the inner wall of the rim is provided with a rod groove for embedding a rocker.

Preferably, the rod groove penetrates through the top wall of the rim along the vertical direction, the rocker and the rotating rod are in rotary connection, and the rotation axis of the rocker and the rotation axis of the rotating rod are arranged in the horizontal direction.

Preferably, the supporting plate is sleeved on the circumferential side wall of the screen disc, and a groove for placing the supporting plate is formed in the circumferential side wall of the screen disc.

Preferably, the shaft wall of the rotating shaft is provided with a horizontal threaded hole, and the brush rod is in threaded connection with the threaded hole.

In summary, the utility model has the following beneficial technical effects:

1. through controlling the rocker for the bull stick drives the pivot and rotates, sets up in the brush pole of pivot axis body and constantly rotates in the screen cloth dish, makes solid material constantly move on the screen cloth surface, with the screening operating condition that satisfies the material, through setting up screening lid, and multiunit screen cloth dish is listed as along vertical direction setting, and screening process is gone on in airtight space all the time, thereby has reduced the phenomenon that material powder ash looses.

2. The rotating shaft comprises a plurality of groups of short shafts which are spliced, so that a worker can conveniently detach the screen disc in the working process.

3. Through setting up the motor, the motor passes through the helical gear and drives the rim rotation, and the rim is driving the rocker rotation to screening plant can realize automatic screening work in the place that satisfies the circular telegram condition.

Drawings

FIG. 1 is a schematic diagram of a portable powder classifying and screening device according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a partial cross-sectional configuration of a screening apparatus;

FIG. 3 is a schematic view of a partially cut-away structure showing the connection of a brush rod and a shaft.

Reference numerals illustrate: 1. a screen tray; 11. a screen; 111. a sleeve; 112. a rotating shaft; 1121. a short shaft; 1122. a character block; 1123. a straight slot; 1124. a threaded hole; 113. a brush bar; 12. a supporting plate; 13. slotting; 2. a sieving cover; 3. a chassis; 4. a drive assembly; 41. a rotating rod; 42. a rocker; 43. a motor; 44. bevel gear; 45. a rim; 451. oblique tooth grooves; 452. a rod groove.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-3.

The embodiment of the utility model discloses a portable powder classifying and screening device. Referring to fig. 1 and 2, including multiunit along the screen tray 1 that vertical direction was arranged and is placed, each screen tray 1 is nested relation each other, screen tray 1 is including screen cloth 11, screen cloth 11 level sets up in screen tray 1 bottom, screen cloth 11's mesh from top to bottom is the setting that diminishes step by step, screen tray 1 that is located the top is covered with screening lid 2, chassis 3 that holds the material has been placed to screen tray 1 bottom that is located the below, the central point of multiunit screen tray 1 puts respectively fixed connection vertical sleeve pipe 111, sleeve pipe 111 is the state that runs through screen cloth 11, sleeve pipe 111 internal rotation is connected with vertical pivot 112, pivot 112 axle wall is provided with horizontal brush pole 113, brush hair portion and screen cloth 11 contact of brush pole 113, and screening lid 2 is provided with the drive assembly 4 that is connected with pivot 112. Through controlling the driving component 4, the driving component 4 drives the rotating shaft 112 to rotate, and the rotating shaft 112 drives the brush rod 113 to rotate, so that the material continuously moves on the surface of the screen 11, and the material with smaller particle size drops step by step.

Referring to fig. 2, the rotating shaft 112 is formed by splicing multiple groups of short shafts 1121, each group of short shafts 1121 is rotatably disposed in the sleeve, and the bottom end of the short shaft 1121 located above and the top end of the short shaft 1121 located below are in an engaged state (the best choice in this application is that a word block 1122 is disposed at the bottom end of the short shaft 1121, and a word slot 1123 into which the word block 1122 is embedded is disposed at the top end of the short shaft 1121).

Referring to fig. 1 and 2, the driving component 4 includes a rotating rod 41 and a rocker 42, the rotating rod 41 is rotationally connected to the central position of the screening cover 2 along the vertical direction, the rotating rod 41 penetrates through the screening cover 2 and is connected with the top end of the rotating shaft 112 in a meshed manner (the most preferred mode of the application is that the bottom end of the rotating rod 41 is provided with a character block 1122, the top end of the rotating shaft 112 is provided with a character groove 1123 for embedding the character block 1122), so that the driving component 4 and the rotating shaft 112 are convenient to assemble and disassemble, the rocker 42 is fixedly connected to the top end of the rotating rod 41, and the rotating rod 41 drives the rotating shaft 112 to rotate by controlling the rocker 42.

Referring to fig. 1, the driving assembly 4 further includes a motor 43, a bevel gear 44 and a rim 45, the outer wall of the screen tray 1 is provided with a supporting plate 12, the motor 43 is fixedly installed on the surface of the supporting plate 12, the rim 45 is horizontally rotatably connected to the surface of the screening cover 2, the bevel gear 44 is fixedly connected to the output end of the motor 43, the central axis of the bevel gear 44 is consistent with the central axis of the output end of the motor 43, a bevel groove 451 engaged with the bevel gear 44 is formed in the circumferential side wall of the rim 45, and a rod groove 452 for embedding the rocker 42 is formed in the inner wall of the rim 45. The motor 43 is started, the bevel gear 44 arranged at the output end of the motor 43 drives the rim 45 to start rotating, and the rocker 42 arranged in the rod groove 452 of the rim 45 also starts rotating, so that the rotating rod 41 connected with the rocker 42 also starts rotating at the same time, and the automatic screening function is realized.

Referring to fig. 1, the rod groove 452 penetrates through the top wall of the rim 45 along the vertical direction, the rocking bar 42 and the rotating rod 41 are in a rotation connection relationship, the rotation axes of the rocking bar 42 and the rotating rod 41 are arranged in the horizontal direction, and one end, far away from the rotating rod 41, of the rocking bar 42 is placed in the rod groove 452 by rotating the rocking bar 42, so that the screening device can be manually screened, and the automatic screening function can be realized.

Referring to fig. 1, the supporting plate 12 is in a state of being sleeved on the circumferential side wall of the screen tray 1, a slot 13 for placing the supporting plate 12 is formed in the circumferential side wall of the screen tray 1, and the supporting plate 12 is slid to the slot 13 along the vertical downward direction, so that the supporting plate 12 can be quickly disassembled and assembled.

Referring to fig. 3, a horizontal screw hole 1124 is formed in a shaft wall of the rotation shaft 112, and a screw thread matched with the screw hole 1124 is formed in the brush rod 113, so that a worker can conveniently disassemble and assemble the brush rod 113.

The embodiment of the utility model relates to an implementation principle of a portable powder classifying and screening device, which comprises the following steps:

through controlling rocker 42 for bull stick 41 drives pivot 112 rotation, sets up in the brush pole 113 butt of pivot 112 axis body in screen cloth 11 surface and constantly rotate in screen tray 1, makes solid material constantly move on screen cloth 11 surface, in order to accomplish solid material's screening work, through setting up screening lid 2, and multiunit screen tray 1 list setting along vertical direction, the screening process is gone on in airtight space all the time, thereby has reduced the phenomenon that material powder ash looses. The driving assembly 4 further comprises a motor 43, a rim 45 and a bevel gear 44, the bevel gear 44 fixedly installed at the output end of the motor 43 is meshed with the bevel gear groove 451 formed in the circumferential side wall of the rim 45, the rocker 42 is rotated into the rod groove 452, the motor 43 is started, the bevel gear 44 drives the rim 45 to rotate, the rocker 42 installed in the rod groove 452 of the rim 45 also starts to rotate, and therefore the rotating rod 41 connected with the rocker 42 also starts to rotate at the same time, and an automatic screening function is achieved.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (7)

1. The utility model provides a portable powder classifying and screening device, includes multiunit along the nested sieve dish (1) of vertical direction range, sieve dish (1) is including screen cloth (11), from top to bottom range mesh number of sieve dish (1) screen cloth (11) is diminish step by step, its characterized in that is located the top sieve dish (1) is provided with screening lid (2), is located the bottom sieve dish (1) is provided with chassis (3), multiunit sieve dish (1) central point puts the fixed sleeve pipe (111) that are provided with respectively, sleeve pipe (111) internal rotation is connected with vertical pivot (112), pivot (112) shaft wall is provided with brush pole (113) with screen cloth (11) contact, screening lid (2) are provided with drive assembly (4) that are connected with pivot (112).

2. The portable powder classifying and screening device according to claim 1, wherein the rotating shaft (112) is formed by splicing a plurality of groups of short shafts (1121), each short shaft (1121) is rotatably arranged in the sleeve, and the bottom end of the short shaft (1121) above and the top end of the short shaft (1121) below are in an engaged state.

3. The portable powder classifying and screening device according to claim 1, wherein the driving assembly (4) comprises a rotating rod (41) and a rocking rod (42), the rotating rod (41) is rotatably connected to the central position of the screening cover (2) along the vertical direction, the rotating rod (41) is in a state of penetrating through the screening cover (2), the bottom end of the rotating rod (41) is meshed with the top end of the rotating shaft (112), and the rocking rod (42) is connected to the top end of the rotating rod (41).

4. A portable powder classifying and screening device according to claim 3, characterized in that the driving assembly (4) further comprises a motor (43), a bevel gear (44) and a rim (45), the outer wall of the screen disc (1) is provided with a supporting plate (12), the motor (43) is placed on the surface of the supporting plate (12), the rim (45) horizontally rotates and is connected to the surface of the screening cover (2), the bevel gear (44) is arranged at the output end of the motor (43), the rim (45) is provided with a bevel groove (451) meshed with the bevel gear (44), and a rod groove (452) for embedding the rocker (42) is formed in the inner wall of the rim (45).

5. The portable powder classifying and screening device according to claim 4, wherein the rod groove (452) penetrates through the top wall of the rim (45) along the vertical direction, the rocker (42) is in a rotary connection relationship with the rotary rod (41), and the rotary axis of the rocker (42) and the rotary rod (41) is arranged in the horizontal direction.

6. The portable powder classifying and screening device according to claim 4, wherein the supporting plate (12) is sleeved on the circumferential side wall of the screen disc (1), and a slot (13) for placing the supporting plate (12) is formed in the circumferential side wall of the screen disc (1).

7. The portable powder classifying and screening device according to claim 1, wherein the shaft wall of the rotating shaft (112) is provided with a horizontal threaded hole (1124), and the brush rod (113) is in threaded connection with the threaded hole (1124).