CN215853924U

CN215853924U - Phosphor powder coarse powder conveying device

Info

Publication number: CN215853924U
Application number: CN202121875602.3U
Authority: CN
Inventors: 戚振技; 刘志刚; 马金梅
Original assignee: Guangzhou Zhujiang Photoelectric New Materials Co ltd
Current assignee: Guangzhou Zhujiang Photoelectric New Materials Co ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-02-18
Anticipated expiration: 2031-08-11

Abstract

The utility model provides a fluorescent powder coarse powder conveying device, and belongs to the technical field of fluorescent powder preparation. The conveying device comprises a collecting bin, a first air hammer vibrator, a transfer bin and an air pump, wherein a feeding port of the collecting bin is connected with a fluorescent powder coarse powder discharging port of a vibrating screen machine through a first pipeline; the first air hammer vibrator is arranged at the discharge port of the collecting bin; the feeding port of the transfer bin is connected with the discharging port of the collecting bin through a second pipeline; the discharge hole of the transfer bin is connected with the feed inlet of the double-roller machine through a third pipeline; the air pump is connected with the first air hammer vibrator through an air pipe, and the air pump is connected with the second pipeline through an air pipe. First air hammer electromagnetic shaker among this conveyor sends atmospheric pressure under the effect of air pump periodically and strikes and vibrate, will collect the middlings of collecting in the storehouse and carry to the transfer storehouse completely in, improves the conveying efficiency of phosphor powder middlings greatly.

Description

Phosphor powder coarse powder conveying device

Technical Field

The utility model belongs to the technical field of fluorescent powder preparation equipment, and relates to a fluorescent powder coarse powder conveying device.

Background

In the preparation process of the fluorescent powder, the fluorescent powder needs to be repeatedly crushed and sieved by a pair of rollers for multiple times, the residual coarse powder after sieving is conveyed to a pair of rollers again through a pipeline for crushing and sieving, in the coarse powder conveying stage, the coarse powder is firstly collected into a conical collecting tank, naturally falls into a conveying pipeline under the action of the flowability and gravity of the coarse powder, then a vacuum pump is used for providing pressure, the coarse fluorescent powder is conveyed to a feeding bin of the pair of rollers, and then crushing is carried out; because the fluorescent coarse powder is in the collecting tank under the action of the self-fluidity and gravity, the coarse powder is easily gathered at a certain part of the collecting tank to form blockage or convey empty materials, the conveying is easily unbalanced, the roller pair crushing effect is poor due to excessive conveying, and the crushing times are excessive; too little conveying causes over-crushing, influences product quality and reduces production efficiency.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model provides a fluorescent powder coarse powder conveying device, which aims to solve the technical problems that: how to improve the conveying efficiency of the fluorescent powder coarse powder.

The purpose of the utility model can be realized by the following technical scheme:

a phosphor powder coarse powder conveying device comprises:

the collecting bin is characterized in that a feeding port of the collecting bin is connected with a fluorescent powder coarse powder discharging port of the vibrating screen machine through a first pipeline;

the first air hammer vibrator is arranged at the discharge port of the collecting bin;

the material inlet of the transfer bin is connected with the material outlet of the collection bin through a second pipeline; the discharge hole of the transfer bin is connected with the feeding hole of the double-roller machine through a third pipeline;

and the air pump is connected with the first air hammer vibrator through an air pipe and is connected with the second pipeline through an air pipe.

In the above phosphor powder coarse powder conveying device, the second pipeline is provided with an air inlet valve, and the air pump is connected with the air inlet valve of the second pipeline through an air pipe.

In the above phosphor powder coarse powder conveying device, the conveying device further comprises a second air hammer vibrator, the second air hammer vibrator is installed at the material inlet of the transfer bin, and the second air hammer vibrator is connected with the air pump through an air pipe.

In foretell phosphor powder middlings conveyor, conveyor still includes the third air hammer vibrator, the third air hammer vibrator is installed in the discharge gate department of collecting the storehouse, the third air hammer vibrator sets up with first air hammer vibrator relatively, the third air hammer vibrator is connected through the trachea with the air pump.

In the above phosphor powder coarse powder conveying device, two screen meshes are arranged in the vibrating screen machine, the two screen meshes are arranged in parallel, the phosphor powder coarse powder discharge port is positioned above the screen meshes, and the phosphor powder fine powder outlet is arranged below the screen meshes.

In the above phosphor powder coarse powder conveying device, the first pipeline, the second pipeline and the third pipeline are all PPR plastic pipelines.

Compared with the prior art, the utility model has the following advantages:

1. among this conveyor, first air hammer electromagnetic shaker sends atmospheric pressure under the effect of air pump periodically and strikes and vibrate, will collect the middlings of collecting in the storehouse and carry to the transfer storehouse completely in, improves the conveying efficiency of phosphor powder middlings greatly.

2. Among this conveyor, the vibrations that first air hammer electromagnetic shaker produced can shake the fluorescent powder of gathering in the collection cell wall and fall, prevent the gathering of fluorescent powder middlings, and then cause the jam when avoiding carrying the middlings.

Drawings

Fig. 1 is a schematic view of the present delivery device.

In the figure, 1, a collection bin; 2. a first conduit; 3. a vibrating screen machine; 4. a first air hammer vibrator; 5. a transfer bin; 6. a second conduit; 7. a third pipeline; 8. a double-roller machine; 9. an air pump; 10. an intake valve; 11. a second air hammer vibrator; 12. a third air hammer vibrator; 13. and (4) screening.

Detailed Description

The following are specific embodiments of the present invention, and the technical solutions of the present invention will be further described with reference to the drawings, but the present invention is not limited to these embodiments.

It will be understood that the terms "upper," "lower," "front," "rear," "left," "right," "horizontal," "top," "inner," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the utility model and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the utility model.

The terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features. In the description of the present invention, a "set" means two or more unless otherwise specified.

As shown in fig. 1, the conveying device comprises a collection bin 1, a first air hammer vibrator 4, a transfer bin 5 and an air pump 9, wherein a feeding port of the collection bin 1 is connected with a fluorescent powder coarse powder discharging port of a vibrating screen machine 3 through a first pipeline 2; the first air hammer vibrator is arranged at the discharge port of the collecting bin 1; a feeding port of the transfer bin 5 is connected with a discharging port of the collecting bin 1 through a second pipeline 6; a discharge hole of the transfer bin 5 is connected with a feeding hole of a double-roller machine 8 through a third pipeline 7; the air pump 9 is connected with the first air hammer vibrator 4 through an air pipe, and the air pump 9 is connected with the second pipe 6 through an air pipe.

In the conveying device, the vibrating screen machine 3 receives the fluorescent powder crushed by the double-roller machine 8 and screens the fluorescent powder, specifically, two screens 13 are arranged in the vibrating screen machine 3, the two screens 13 are arranged in parallel, and in other embodiments, more than two screens 13 can be arranged in the vibrating screen machine 3 according to actual conditions; a fluorescent powder coarse powder discharge port is positioned above a screen 13, a material inlet of a collection bin 1 is connected with a fluorescent powder coarse powder discharge port of a vibration screening machine 3 through a first pipeline 2, coarse powder which is not screened is collected, a fluorescent powder fine powder outlet is arranged below the screen 13, fine powder is collected through a pipeline, and the fine powder is fluorescent powder which meets the requirement; collect 1 collection in the storehouse and to not sieve middlings then through second pipeline 6 carry the transfer storehouse 5 under the effect of air pump 9 in, because the discharge gate department who collects storehouse 1 installs first air hammer electromagnetic shaker, first air hammer electromagnetic shaker is under the effect of air pump 9, the periodicity sends atmospheric pressure and strikes and vibrates, will collect the middlings of 1 interior collection of storehouse and carry to transfer storehouse 5 completely in, improve the transport efficiency of phosphor middlings greatly, the vibrations that first air hammer electromagnetic shaker produced can shake the phosphor powder of gathering at the collection cell wall and fall, prevent phosphor powder middlings gathering, and then cause the jam when avoiding carrying the middlings.

As shown in fig. 1, in the present embodiment, the second duct 6 is provided with an air inlet valve 10, and the air pump 9 is connected to the air inlet valve 10 of the second duct 6 through an air pipe.

As shown in fig. 1, in this embodiment, the conveying device further includes a second pneumatic hammer vibrator 11, the second pneumatic hammer vibrator 11 is installed at the material inlet of the transfer bin 5, and the second pneumatic hammer vibrator 11 is connected to the air pump 9 through an air pipe. In the structure, the two air hammer vibrators are arranged on the transfer bin 5, so that the fluorescent powder coarse powder in the transfer bin 5 can be completely conveyed to the double-roller machine 8, and the double-roller machine 8 can crush the coarse powder again.

As shown in fig. 1, in this embodiment, the conveying device further includes a third pneumatic hammer vibrator 12, the third pneumatic hammer vibrator 11 is installed at the discharge port of the collecting bin 1, the third pneumatic hammer vibrator 12 is disposed opposite to the first pneumatic hammer vibrator 4, and the third pneumatic hammer vibrator 12 is connected to the air pump 9 through an air pipe. In the structure, the third air hammer vibrator 12 is arranged on the collection bin 1, and the third air hammer vibrator 12 is arranged opposite to the first air hammer vibrator 4, so that the coarse powder gathered in the collection bin 1 can be completely vibrated down, and the conveying efficiency of the fluorescent powder coarse powder is further improved.

As shown in fig. 1, in the present embodiment, the first pipe 2, the second pipe 6, and the third pipe 7 are all PPR plastic pipes. What PPR plastic tubing adopted is the hot connected mode, and it is more firm to adopt glue to bind than prior art's PVC, is difficult to leak gas, guarantees that whole atmospheric pressure conveying system's atmospheric pressure is stable.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. A phosphor powder coarse powder conveying device is characterized by comprising:

the device comprises a collecting bin (1), wherein a feeding port of the collecting bin (1) is connected with a fluorescent powder coarse powder discharging port of a vibrating screen (3) through a first pipeline (2);

the first air hammer vibrator (4) is arranged at a discharge port of the collecting bin (1);

the feeding port of the transfer bin (5) is connected with the discharging port of the collecting bin (1) through a second pipeline (6); a discharge hole of the transfer bin (5) is connected with a feeding hole of a double-roller machine (8) through a third pipeline (7);

the air pump (9), air pump (9) are connected with first air hammer vibrator (4) through the trachea, and air pump (9) are connected with second pipeline (6) through the trachea.

2. The phosphor powder coarse powder conveying device as claimed in claim 1, wherein the second pipeline (6) is provided with an air inlet valve (10), and the air pump (9) is connected with the air inlet valve (10) of the second pipeline (6) through an air pipe.

3. The phosphor meal conveying device according to claim 1, further comprising a second air hammer vibrator (11), wherein the second air hammer vibrator (11) is installed at a feeding port of the transfer bin (5), and the second air hammer vibrator (11) is connected with the air pump (9) through an air pipe.

4. The phosphor powder coarse powder conveying device as claimed in claim 1, wherein the conveying device further comprises a third air hammer vibrator (12), the third air hammer vibrator (12) is mounted at a discharge port of the collecting bin (1), the third air hammer vibrator (12) is arranged opposite to the first air hammer vibrator (4), and the third air hammer vibrator (12) is connected with the air pump (9) through an air pipe.

5. The phosphor powder coarse powder conveying device according to claim 1, wherein two screens (13) are arranged in the vibrating screen (3), the two screens (13) are arranged in parallel, the phosphor powder coarse powder outlet is positioned above the screens (13), and the phosphor powder fine powder outlet is arranged below the screens (13).

6. The phosphor meal conveyor system according to any one of claims 1-5, wherein the first (2), second (6) and third (7) conduits are all PPR plastic conduits.