CN114345229B

CN114345229B - Powder fuming agent stirring conveying mechanism

Info

Publication number: CN114345229B
Application number: CN202111521349.6A
Authority: CN
Inventors: 陈玉龙; 张亮; 李坤; 杨春龙; 裴仁俊
Original assignee: Yichang Testing Technique Research Institute
Current assignee: Yichang Testing Technique Research Institute
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2023-06-20
Anticipated expiration: 2041-12-13
Also published as: CN114345229A

Abstract

The invention discloses a stirring and conveying mechanism for a powder fuming agent, which comprises a feed box, a feeding mechanism and a stirring mechanism; the bottom of the feed box is an inclined plane, and the feeding mechanism is arranged at the lowest position in the feed box and is used for feeding the powder fuming agent into the external mixing chamber; the stirring mechanism is arranged at the lower part of the feed box and is a wave-shaped mechanism for stirring the powder fuming agent in a layering way. The invention has thorough stirring and even feeding.

Description

Powder fuming agent stirring conveying mechanism

Technical Field

The invention relates to the technical field of smoke generating equipment, in particular to a stirring and conveying mechanism for a powder smoke generating agent.

Background

Chemical substances which are introduced into the atmosphere and can generate stable smoke and fog and achieve the purposes of shielding, blinding and interference by the optical performance of the smoke or fog are called fumigants. The smoke curtain is formed by leading the smoke curtain into the atmosphere by using smoke generating equipment. Smoking agents can be classified into solid and liquid in their morphology. The solid powder fumigant contains a plurality of powder substances, and aims at stirring and conveying the powder fumigant, so that the problems of incomplete stirring and uneven feeding of the powder fumigant exist.

Disclosure of Invention

In view of the above, the invention provides a stirring and conveying mechanism for a powder fuming agent, which is thorough in stirring and uniform in feeding.

The technical scheme adopted by the invention is as follows:

a stirring and conveying mechanism for a powder fuming agent comprises a feed box, a feeding mechanism and a stirring mechanism;

the bottom of the feed box is an inclined plane, and the feeding mechanism is arranged at the lowest position in the feed box and is used for feeding the powder fuming agent into the external mixing chamber; the stirring mechanism is arranged at the lower part of the feed box and is a wave-shaped mechanism for stirring the powder fuming agent in a layering way.

Further, the feeding mechanism and the stirring mechanism are connected through belt transmission.

Further, the feed box comprises an upper feed box and a lower feed box, and the bottom of the lower feed box is an inclined plane.

Further, the feeding mechanism comprises a driving motor, a rotating shaft, a spiral blade, a sleeve, a bearing and a mounting seat;

the sleeve and the mounting seat are both arranged at the end part of the rotating shaft through bearings, the sleeve is positioned outside the mounting seat, the sleeve and the mounting seat are fixedly connected, and the end is driven by the driving motor; the helical blades are fixed on the outer circumference of the rotating shaft.

Further, the stirring mechanism comprises a belt wheel I, a belt wheel II, a belt wheel III, a belt wheel IV, a V belt, a bearing seat, a crankshaft weldment, a stirring shaft and a stirring part;

the stirring part is formed by fixedly connecting two wave-shaped connecting members with inner spokes; two ends of the two wave-shaped connecting members are connected through a stirring shaft, the ends of the stirring shaft are connected with a bearing and a bearing seat through a crankshaft weldment, and the stirring parts are arranged on the feed box through the bearing;

the belt wheel I and the belt wheel II are respectively arranged at two ends of the wave-shaped connecting member and fixedly connected with a crankshaft weldment, and the belt wheel I and the belt wheel II realize transmission through V belts; one end of the other wave-shaped connecting component is fixedly connected with a belt wheel III through a crank welding piece, a belt wheel IV is fixed on a rotating shaft, the belt wheel IV is positioned in the mounting seat, and the belt wheel III and the belt wheel IV realize transmission through V belts.

The beneficial effects are that:

1. according to the invention, the bottom of the blanking box is designed to be an inclined plane, so that the powder fuming agent can slide into the feeding mechanism more easily, and the stirring mechanism is a wave mechanism, so that the powder fuming agent can be stirred in a layered manner, an empty layer formed in the blanking box by the powder fuming agent can be avoided, and the feeding mechanism has the advantages of thorough stirring, uniform feeding and the like.

2. The spiral blade is driven by the driving motor to rotate to generate axial thrust, and the powder smoke agent is sent into the mixing chamber. By controlling the rotation speed of the driving motor, the fuming dosage entering the mixing chamber can be controlled, and the use requirements of various fuming dosages can be met. And secondly, the end part of the rotating shaft adopts a double-bearing supporting structure, so that the structural rigidity is enhanced.

3. The wavy connecting member of the stirring component can realize layered stirring of the powder fuming agent. The single motor is adopted for driving, the V belt is adopted for driving, and the maintenance is free and the reliability is high. Secondly, two groups of stirring shafts are driven by a belt transmission, so that dead point position influence can be eliminated.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention (only half of the bin is shown).

Fig. 2 is a schematic diagram of the structure of the material box.

Fig. 3 is a schematic structural view of the feeding mechanism.

Fig. 4 is a schematic structural view of the stirring mechanism.

The device comprises a 1-feed box, a 2-feeding mechanism, a 3-stirring mechanism, a 4-feed box, a 5-discharge box, a 6-driving motor, a 7-rotating shaft, 8-helical blades, a 9-sleeve, a 10-bearing I, an 11-mounting seat, a 12-belt wheel I, a 13-V belt, a 14-bearing II, a 15-bearing seat, a 16-crankshaft weldment, a 17-stirring shaft, a 18-stirring part, a 19-belt wheel II, a 20-belt wheel III and a 21-belt wheel IV.

Detailed Description

The invention will now be described in detail by way of example with reference to the accompanying drawings.

The invention provides a stirring and conveying mechanism for a powder fuming agent, which is shown in figure 1 and comprises a feed box 1, a feeding mechanism 2 and a stirring mechanism 3.

As shown in fig. 2, the feed box 1 is of an aluminum alloy welding structure and is of a split design, and comprises an upper feed box 4 and a lower feed box 5, wherein the bottom of the lower feed box 5 is an inclined plane.

As shown in fig. 3, the feeding mechanism 2 comprises a driving motor 6, a rotating shaft 7, a helical blade 8, a sleeve 9, a bearing and a mounting seat 11; the sleeve 9 and the mounting seat 11 are both arranged at the end part of the rotating shaft 7 through bearings, the sleeve 9 is positioned outside the mounting seat 11, the sleeve 9 and the mounting seat 11 are fixedly connected, and the end is driven by the driving motor 6; the helical blades 8 are fixed to the outer circumference of the rotating shaft 7. The feeding mechanism 2 is fixed on the blanking box 5 through a mounting seat 11, and the spiral blades 8 are driven by the driving motor 6 to rotate to generate axial thrust so as to feed the powder smoke agent into the mixing chamber. By controlling the rotational speed of the drive motor 6, the amount of smoke entering the mixing chamber can be controlled.

As shown in fig. 4, the stirring mechanism 3 comprises a belt pulley i 12, a belt pulley ii 19, a belt pulley iii 20, a belt pulley iv 21, a V belt 13, a bearing ii 14, a bearing seat 15, a crank weldment 16, a stirring shaft 17 and a stirring component 18;

the stirring part 18 is formed by fixedly connecting two wave-shaped connecting members with inner spokes; the two ends of the two waveform connecting members are connected through a stirring shaft 17, the ends of the waveform connecting members are hinged with the stirring shaft 17, the ends of the stirring shaft 17 are connected with a bearing II 14 and a bearing seat 15 through a crankshaft weldment 16, the ends of the stirring shaft 17 are fixedly connected with the crankshaft weldment 16, a stirring part 18 is arranged on the blanking box 5 through the bearing II 14 and the bearing seat 15, and the bearing seat 15 is fixed on the blanking box 5; the belt wheel I12 and the belt wheel II 19 are respectively arranged at two ends of the wave-shaped connecting member, the belt wheel I12 and the belt wheel II 19 are fixedly connected with the crank weldment 16, and the belt wheel I12 and the belt wheel II 19 realize transmission through the V belt 13; one end of the other wave-shaped connecting component is fixedly connected with a belt wheel III 20 through a crank welding piece 16, a belt wheel IV 21 is fixed on the rotating shaft 7, the belt wheel IV 21 is positioned in the mounting seat 11, and the belt wheel III 20 and the belt wheel IV 21 realize transmission through a V belt 13.

The specific working process is as follows:

the driving motor 6 drives the belt pulley I12, the belt pulley II 19, the belt pulley III 20, the belt pulley IV 21 and the V belt 13 to drive the stirring mechanism 3 to stir the powder fuming agent so as to fall into the feeding mechanism 2; at the same time, the driving motor 6 drives the helical blade 8 to generate axial thrust and send the powder smoke agent into the mixing chamber.

In summary, the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The stirring and conveying mechanism for the powder fuming agent is characterized by comprising a feed box, a feeding mechanism and a stirring mechanism;

the bottom of the feed box is an inclined plane, and the feeding mechanism is arranged at the lowest position in the feed box and is used for feeding the powder fuming agent into the external mixing chamber; the stirring mechanism is arranged at the lower part of the feed box and is a wave-shaped mechanism and is used for stirring the powder fuming agent in a layering manner; the feeding mechanism comprises a rotating shaft and a mounting seat, and the stirring mechanism comprises a belt wheel I, a belt wheel II, a belt wheel III, a belt wheel IV, a belt V, a bearing seat, a crankshaft weldment, a stirring shaft and a stirring part; the stirring part is formed by fixedly connecting two wave-shaped connecting members with inner spokes; two ends of the two wave-shaped connecting members are connected through a stirring shaft, the ends of the stirring shaft are connected with a bearing and a bearing seat through a crankshaft weldment, and the stirring parts are arranged on the feed box through the bearing; the belt wheel I and the belt wheel II are respectively arranged at two ends of the wave-shaped connecting member and fixedly connected with a crankshaft weldment, and the belt wheel I and the belt wheel II realize transmission through V belts; one end of the other wave-shaped connecting component is fixedly connected with a belt wheel III through a crank welding piece, a belt wheel IV is fixed on a rotating shaft, the belt wheel IV is positioned in the mounting seat, and the belt wheel III and the belt wheel IV realize transmission through V belts.

2. A powder aerosol-generating device according to claim 1, wherein the feed mechanism and the stirring mechanism are connected by a belt drive.

3. The powder smoking agent blending delivery mechanism of claim 1, wherein the bin comprises an upper bin and a lower bin, the bottom of the lower bin being beveled.

4. A powder aerosol-generating device according to claim 2, wherein the feed mechanism further comprises a drive motor, a helical blade, a sleeve, a bearing;