CN214555338U

CN214555338U - Feeding device of powder concentrator

Info

Publication number: CN214555338U
Application number: CN202023284438.7U
Authority: CN
Inventors: 任思谦; 马全章; 王方
Original assignee: Shaanxi Zhengyuan Fly Ash Comprehensive Utilization Co Ltd
Current assignee: Shaanxi Zhengyuan Fly Ash Comprehensive Utilization Co Ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-11-02
Anticipated expiration: 2030-12-30

Abstract

The application relates to the technical field of powder screening, in particular to a feeding device of a powder concentrator, which comprises a machine body, a rotary table, a rotary shaft, a support, a motor, a feeding part, a feeding pipe and a plurality of clapboards, wherein the feeding pipe comprises an inner pipe and an outer pipe, and the clapboards are fixedly arranged between the inner pipe and the outer pipe along the length direction and divide the space between the inner pipe and the outer pipe into a plurality of feeding channels; the two ends of the inner pipe are sealed, one end of the feeding piece is used for being communicated with powder to be screened, and the other end of the feeding piece is communicated with the outer pipe; the feeding pipe coaxially penetrates through the top wall of the machine body along the vertical direction, the motor is arranged in the inner pipe, one end, away from the output shaft, of the motor is arranged on the top wall of the machine body through the support, and one end, away from the motor, of the support penetrates through the feeding piece and is arranged on the outer side of the outer pipe of the machine body; one end of the rotating shaft is coaxially arranged on an output shaft of the motor, the other end of the rotating shaft coaxially extends into the machine body along the inner pipe and penetrates through the end wall of the inner pipe, and the rotating disc is coaxially arranged at one end, extending out of the inner pipe, of the rotating shaft. This application can make the powder more even throwing out.

Description

Feeding device of powder concentrator

Technical Field

The application relates to the technical field of powder screening, in particular to a feeding device of a powder concentrator.

Background

The action size and the fineness of the fly ash on cement and concrete are closely related, and the smaller the fineness is, the better the action effect is, so that in the fly ash production, after the fly ash is ground into particles with uneven thickness in a grinding machine, the fly ash can be sent into a powder concentrator for separation, the larger particles are separated out and returned to the grinding machine for grinding, and the fine fly ash particles can be directly discharged to be used as finished fly ash to leave a factory.

Chinese patent application No. 201822080075.1 discloses a selection powder machine, which comprises an outer shell, fixed connection is at the fine powder discharging pipe of shell body bottom, the interior casing of setting in the shell body, fixed connection is at the middlings discharging pipe of interior casing bottom, pass shell body top intermediate position and rotate with the shell body and connect in the pivot, fixed connection is at the carousel of pivot bottom, fixed connection is at a plurality of minute flitchs at the carousel top, fixed connection is at the connecting rod and the puddler at the connecting rod top at carousel top, pass the shell body top and with two inlet pipes of shell body fixed connection and the heating rod of winding in the inlet pipe outside. On material powder was sent into the carousel from the inlet pipe, the air and the material powder of heating rod in to the inlet pipe heated, opened the motor and made motor drive pivot and carousel rotate to throw away the carousel with material powder on the carousel under the effect of centrifugal force, material powder scatters in interior casing, sieves and separates material powder.

In order to solve the problems in the prior art, powder is directly stacked on a turntable through a feeding pipe and is thrown out of the turntable under the action of centrifugal force, and the powder needs to be thrown out in a highly dispersed state to form a material curtain and is sorted, so that the inventor thinks that the defect of uneven powder throwing exists.

SUMMERY OF THE UTILITY MODEL

In order to make the powder more even throw out, this application provides a selection powder machine pan feeding device.

The application provides a selection powder machine pan feeding device adopts following technical scheme:

a powder concentrator feeding device comprises a machine body, a rotary table, a rotary shaft, a support, a motor, a feeding piece, a feeding pipe and a plurality of partition plates, wherein the feeding pipe comprises an inner pipe and an outer pipe; the two ends of the inner pipe are sealed, one end of the feeding piece is used for being communicated with powder to be screened, and the other end of the feeding piece is communicated with the outer pipe; the feeding pipe coaxially penetrates through the top wall of the machine body along the vertical direction, the motor is arranged in the inner pipe, one end, away from the output shaft, of the motor is arranged on the top wall of the machine body through the support, and one end, away from the motor, of the support penetrates through the feeding piece and is arranged on the outer side of the outer pipe of the machine body; one end of the rotating shaft is coaxially arranged on the output shaft of the motor, the other end of the rotating shaft coaxially extends into the machine body along the inner tube and penetrates through the end wall of the inner tube, and the rotating disc is coaxially arranged at one end, extending out of the inner tube, of the rotating shaft.

By adopting the technical scheme, when the powder concentrator is used for screening powder, the motor is started, so that the output shaft of the motor drives the rotary table to rotate through the rotating shaft, the powder to be screened is introduced between the outer pipe and the inner pipe through the feeding part, the powder is separated by the partition plates and enters the plurality of feeding channels, uniformly falls on the rotating rotary table along the feeding channels, and is thrown out of the rotary table under the action of centrifugal force for screening; the feeding pipe is divided into a plurality of feeding channels by the partition plates through the arranged feeding piece, the feeding pipe and the partition plates, so that powder can be uniformly scattered on the rotary table, the powder is thrown out of the rotary table in a dispersed state, the uniformity of the thrown powder is improved, and the screening efficiency is improved; the outer tube and the inner tube can protect the motor from being exposed in the powder, and meanwhile, the powder is shunted, so that the flux of the powder in the same time is reduced, and the accumulation of the powder on the rotary table is reduced.

Optionally, the diameter of the outer tube is not greater than the diameter of the turntable.

By adopting the technical scheme, the powder material can be conveniently and uniformly scattered on the turntable, and simultaneously, the powder material can fall close to the side edge, so that the powder material can be conveniently thrown out.

Optionally, the top wall of the rotary table is concave.

By adopting the technical scheme, when the powder is thrown, the throwing direction of the powder is changed, the falling time of the powder in the inner cavity of the machine is prolonged, the powder concentrator is convenient to sieve the powder, and the sieving effect is improved.

Optionally, the top wall of the turntable is provided with a plurality of material guide grooves, one end of each material guide groove is arranged at the center of the turntable, and the other end of each material guide groove is arranged on the side wall of the turntable along the circumferential direction.

By adopting the technical scheme, the material guide groove is arranged to guide the throwing of the powder, so that the powder close to the center of the turntable is conveniently thrown out of the turntable along the material guide groove, and the accumulation of the powder on the turntable is reduced.

Optionally, the outer tube rotates with the organism roof to be connected, the feeding piece with the outer tube rotates to be connected, the pivot sets firmly the inner tube stretches into on the end wall of organism one end, the outer tube is close to carousel one end and is connected and can with through throwing the material net between the lateral wall of circumference along the carousel.

By adopting the technical scheme, the feeding pipe and the rotary table are connected by the material throwing net and the rotary shaft, so that the feeding section and the rotary table can synchronously rotate, powder has certain centrifugal force when leaving the feeding pipe, the initial speed of powder throwing is increased, and meanwhile, the powder is scattered again when the rotary table is thrown out by the material throwing net, so that the powder can be more uniformly thrown out.

Optionally, the diameter of the throwing screen is larger than that of the outer pipe.

By adopting the technical scheme, the area of the material throwing net is increased, the powder throwing efficiency is improved, and the powder is convenient to disperse.

Optionally, one end of the partition board, which is close to the rotary table, extends out of the feeding pipe and is abutted against the top wall of the rotary table, and one end of the partition board, which is close to the axial direction of the rotary table, is abutted against the rotary shaft.

By adopting the technical scheme, the powder falling on the rotary table is always in a relatively dispersed and uniform state through the partition plate, the uniformity of the thrown powder is further improved, and the screening efficiency is improved.

Optionally, the feeding piece includes negative pressure pump and inlet pipe, inlet pipe one end be used for with wait to sieve the powder intercommunication, the other end with outer tube swivelling joint, negative pressure pump sets up on the inlet pipe and with the inlet pipe intercommunication.

Through adopting above-mentioned technical scheme, the negative pressure pump and the inlet pipe that set up can send into the pan feeding pipe with the powder of treating the screening in, can let in the air in the pan feeding pipe simultaneously, and the powder on the carousel of being convenient for leaves the carousel along with the air current for the speed of throwing out of powder improves screening efficiency.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the feeding pipe is divided into a plurality of feeding channels by the partition plates through the arranged feeding piece, the feeding pipe and the partition plates, so that powder can be uniformly scattered on the rotary table, the powder is thrown out of the rotary table in a dispersed state, the uniformity of the thrown powder is improved, and the screening efficiency is improved; the outer pipe and the inner pipe are arranged, so that the motor can be protected from being exposed in the powder, the powder is shunted, the flux of the powder in the same time is reduced, and the accumulation of the powder on the rotary table is reduced;

2. the rotary table is arranged, so that the throwing direction of the powder is changed when the powder is thrown out, the falling time of the powder in the inner cavity of the machine is prolonged, the powder is conveniently screened by the powder concentrator, and the screening effect is improved; through the material guide groove, powder close to the center of the turntable can be conveniently thrown out of the turntable along the material guide groove, and the accumulation of the powder on the turntable is reduced;

3. the material throwing net and the rotating shaft are connected with the material feeding pipe and the rotating disc, so that the material feeding section and the rotating disc synchronously rotate, powder has certain centrifugal force when leaving the material feeding pipe, the initial speed of powder throwing is increased, and meanwhile, the powder is scattered again when the powder is thrown out of the rotating disc through the material throwing net, so that the powder can be thrown out more uniformly.

Drawings

Fig. 1 is a schematic overall structure diagram of a feeding device of a powder concentrator in an embodiment of the present application.

FIG. 2 is a cross-sectional view of the feed tube of FIG. 1.

Description of reference numerals: 1. a body; 2. a feeding member; 21. a negative pressure pump; 22. a feed pipe; 3. a rotating member; 31. a turntable; 32. a rotating shaft; 33. throwing the material net; 34. a support frame; 35. a connecting rod; 36. a motor; 37. a material guide chute; 4. a feeding pipe; 41. an inner tube; 42. an outer tube; 5. a separator.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses selection powder machine pan feeding device. Referring to fig. 1 and 2, the feeding device of the powder concentrator comprises a machine body 1, a feeding piece 2, a rotating piece 3, a feeding pipe 4 and a partition plate 5, wherein the rotating piece 3 is arranged on the machine body 1. The feeding pipe 4 comprises an inner pipe 41 and an outer pipe 42, six clapboards 5 are arranged, the six clapboards 5 are welded between the inner pipe 41 and the outer pipe 42 along the length direction and divide the space between the inner pipe 41 and the outer pipe 42 into six feeding channels, and two ends of the inner pipe 41 are sealed. One end of the feeding piece 2 is used for being communicated with powder to be screened, and the other end is communicated with the outer pipe 42; the pan feeding pipe 4 coaxially penetrates the top wall of the machine body 1 along the vertical direction and is rotatably connected with the machine body 1 through a bearing, and the partition plate 5 extends into one end of the machine body 1 and exceeds the end wall of the inner pipe 41.

Referring to fig. 1, the feeding member 2 includes a negative pressure pump 21 and a feeding pipe 22, one end of the feeding pipe 22 is used for communicating with powder to be screened, the other end is rotatably connected with the outer pipe 42 through a rotary joint, and the negative pressure pump 21 is communicated on the feeding pipe 22 through a flange.

Referring to fig. 1 and 2, the rotating member 3 includes a rotating disc 31, a rotating shaft 32, a throwing screen 33, a bracket and a motor 36, the bracket includes a support frame 34 and a connecting rod 35, one end of the connecting rod 35 coaxially penetrates into the inner tube 41 and is rotatably connected with the inner tube 41, the other end penetrates through the feeding tube 22 and is welded on the feeding tube 22, one end of the connecting rod 35 penetrating through the feeding tube 22 is welded on the support frame 34, and one end of the support frame 34 far away from the connecting rod 35 is welded on the top wall of the machine body 1. One end of the motor 36, which is far away from the output shaft, is welded at one end of the connecting rod 35, which extends into the inner tube 41, one end of the rotating shaft 32 is coaxially welded on the output shaft of the motor 36, and the other end of the rotating shaft coaxially extends into the machine body 1 along the inner tube 41 and penetrates through the end wall of the inner tube 41 to be welded with the end wall of the inner tube 41; the rotary table 31 is coaxially welded at one end of the rotary shaft 32, which extends out of the inner pipe 41, the partition plate 5, which extends out of the feeding pipe 4, is welded at the top wall of the rotary table 31, and one end, which extends out of the feeding pipe 4 and is close to the axial direction of the rotary table 31, of the partition plate 5 is welded on the rotary shaft 32; the diameter of the turntable 31 is the same as that of the outer tube 42, the top wall of the turntable 31 is concave, a plurality of material guide grooves 37 are formed in the top wall of the turntable 31, one end of each material guide groove 37 is arranged at the center of the turntable 31, and the other end of each material guide groove is arranged on the side wall of the turntable 31 along the circumferential direction. The diameter of the material throwing net 33 is larger than that of the outer pipe 42, the material throwing net 33 is coaxially arranged between the outer pipe 42 and the rotary table 31, and two ends of the material throwing net 33 are respectively welded on the side walls of the outer pipe 42 and the rotary table 31 along the circumferential direction.

The implementation principle of the feeding device of the powder concentrator in the embodiment of the application is as follows: when the powder concentrator is used for screening powder, the motor 36 is started, so that the output shaft of the motor 36 drives the turntable 31 to rotate through the rotating shaft 32, and further drives the outer pipe 42 and the inner pipe 41 to synchronously rotate along with the rotating shaft 32 through the rotating shaft 32 and the material throwing net 33; the negative pressure pump 21 is adjusted to be started, so that powder to be screened is introduced between the outer pipe 42 and the inner pipe 41 along the feeding pipe 22, the powder is uniformly separated by the partition plates 5 and enters the six feeding channels, and is uniformly thrown out of the feeding channels along the feeding channels, a part of the powder passes through the material throwing net 33 to be thrown out, and the rest of the powder falls on the rotating turntable 31, continuously passes through the material throwing net 33 under the action of centrifugal force to be thrown out of the turntable 31 and is screened.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a selection powder machine pan feeding device, includes organism (1), carousel (31), pivot (32), support and motor (36), its characterized in that: the feeding device is characterized by further comprising a feeding piece (2), a feeding pipe (4) and a plurality of partition plates (5), wherein the feeding pipe (4) comprises an inner pipe (41) and an outer pipe (42), and the partition plates (5) are fixedly arranged between the inner pipe (41) and the outer pipe (42) along the length direction and divide the space between the inner pipe (41) and the outer pipe (42) into a plurality of feeding channels; the two ends of the inner pipe (41) are sealed, one end of the feeding piece (2) is used for being communicated with powder to be screened, and the other end of the feeding piece is communicated with the outer pipe (42); the feeding pipe (4) coaxially penetrates through the top wall of the machine body (1) along the vertical direction, the motor (36) is arranged in the inner pipe (41), one end, far away from an output shaft, of the motor (36) is arranged on the top wall of the machine body (1) through the support, and one end, far away from the motor (36), of the support penetrates through the feeding piece (2) and is arranged on the outer side of the outer pipe (42) of the machine body (1); one end of the rotating shaft (32) is coaxially arranged on an output shaft of the motor (36), the other end of the rotating shaft (32) coaxially extends into the machine body (1) along the inner pipe (41) and penetrates through the end wall of the inner pipe (41) to be arranged, and the rotating disc (31) is coaxially arranged at one end, extending out of the inner pipe (41), of the rotating shaft (32).

2. The powder concentrator feeding device of claim 1, wherein: the diameter of the outer pipe (42) is not larger than that of the rotary disc (31).

3. The powder concentrator feeding device of claim 1, wherein: the top wall of the rotary disc (31) is concave.

4. The powder concentrator feeding device of claim 3, wherein: the top wall of the rotary disc (31) is provided with a plurality of material guide grooves (37), one end of each material guide groove (37) is arranged at the center of the rotary disc (31), and the other end of each material guide groove (37) is arranged on the side wall of the rotary disc (31) along the circumferential direction.

5. The powder concentrator feeding device of claim 3, wherein: outer tube (42) are connected with organism (1) roof rotation, feeding spare (2) with outer tube (42) rotate to be connected, pivot (32) set firmly inner tube (41) stretch into on the end wall of organism (1) one end, outer tube (42) are close to between carousel (31) one end and carousel (31) along circumferential lateral wall through throwing material net (33) be connected and can with carousel (31) synchronous revolution.

6. The powder concentrator feeding device of claim 5, wherein: the diameter of the throwing net (33) is larger than that of the outer pipe (42).

7. The powder concentrator feeding device of claim 5, wherein: baffle (5) are close to carousel (31) one end stretch out pan feeding pipe (4) and with carousel (31) roof butt, just baffle (5) are close to carousel (31) axial one end with pivot (32) butt.

8. The powder concentrator feeding device of claim 1, wherein: the feeding piece (2) comprises a negative pressure pump (21) and a feeding pipe (22), one end of the feeding pipe (22) is used for being communicated with powder to be screened, the other end of the feeding pipe is rotatably connected with the outer pipe (42), and the negative pressure pump (21) is arranged on the feeding pipe (22) and is communicated with the feeding pipe (22).