CN213386721U - Double-impeller airlock feeding device - Google Patents

Abstract

The utility model discloses a double-impeller airlock feeding device, which comprises a feeding bin, wherein the feeding bin comprises two symmetrical cavities which are divided into a left cavity and a right cavity, horizontal rotating shafts are arranged in the left cavity and the right cavity, the horizontal rotating shafts are respectively connected with two rotating motors, and a plurality of stirring blades which are uniformly arranged are arranged on the two horizontal rotating shafts; the device also comprises a partition part which is arranged on the symmetrical axis of the left cavity and the right cavity and is used for isolating the two cavities, the two sides of the partition part are cambered surfaces matched with the cambered surfaces of the inner walls of the left cavity and the right cavity, and the top of the partition part is of a triangular structure with the two sides recessed into cambered surfaces; the feeding bin is provided with a feeding hole and a discharging hole at the upper end and the lower end respectively. The utility model adopts the double impeller to convey the material entering from the feed inlet, and has fast conveying speed and high efficiency; through setting up two rotating electrical machines that direction of rotation is opposite, make blade rotation direction opposite, make the material ejection of compact keep even.

Description

Double-impeller airlock feeding device

Technical Field

The utility model discloses defeated grey equipment technical field of strength, a bilobed wheel airlock feeder of specific design.

Background

Along with the improvement of living standard of people, the requirements of people on the external environment are gradually improved, and the environmental awareness of people is gradually enhanced. Therefore, the production and living needs to be applied to a plurality of environment-friendly devices. The air lock is an effective and environment-friendly device for transferring the powdery substance, and can only allow the powdery substance to pass through but not allow air to flow through. However, most of the existing air lockers adopt a single impeller design, the efficiency of conveying materials is not ideal enough, and the production requirement can not be well met.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a double-impeller airlock feeding device.

In order to achieve the above object, the utility model provides a following technical scheme:

a feeding device of a double-impeller airlock comprises a feeding bin, wherein the feeding bin comprises two cavities which are symmetrical to each other and are divided into a left cavity and a right cavity, horizontal rotating shafts are arranged in the left cavity and the right cavity, the horizontal rotating shafts are respectively connected with two rotating motors, and a plurality of stirring blades which are uniformly arranged are arranged on the two horizontal rotating shafts; the device also comprises a partition part which is arranged on the symmetrical axis of the left cavity and the right cavity and is used for isolating the two cavities, the two sides of the partition part are cambered surfaces matched with the cambered surfaces of the inner walls of the left cavity and the right cavity, and the top of the partition part is of a triangular structure with the two sides recessed into cambered surfaces; the feeding bin is provided with a feeding hole and a discharging hole at the upper end and the lower end respectively.

As the utility model discloses a preferred setting, two rotating electrical machines output shaft rotation opposite direction.

As the utility model discloses an optimal setting, on using horizontal rotation axis as the centre of a circle, using blade length as radial circle, the arc length between arbitrary two blade summits is less than the arc length of wall portion both sides cambered surface.

As the utility model discloses an it is preferable to set up, blade quantity is 5 ~ 8 pieces on two horizontal rotation axle.

As an optimal arrangement of the present invention, the blade tip is provided with an edge the widened sealing end face of the blade rotation direction.

As the utility model discloses an optimized setting, widen sealing end and cavity inner wall clearance and be less than 0.5 mm.

As the utility model discloses an optimized setting, feed inlet department is provided with the screen cloth.

The utility model discloses possess following beneficial effect:

1. the utility model adopts the double impeller to convey the material entering from the feed inlet, and has fast conveying speed and high efficiency; the rotating directions of the blades are opposite by arranging two rotating motors with opposite rotating directions, so that the material discharge is kept uniform;

2. the utility model has the advantages that the widened sealing end surface is arranged on the blade, so that the feed inlet and the discharge port are always in a cut-off state, the purpose of locking the air is achieved, and meanwhile, the widened sealing end surface greatly improves the wear resistance of the top end of the blade and prolongs the service life of the blade;

3. the utility model discloses a set up the screen cloth at the feed inlet, filter large granule debris, the difficult easy large granule debris that are damaged of air-lock ware prolongs its life.

Drawings

Fig. 1 is a schematic structural diagram of a feeding device of a double-impeller airlock.

Wherein the content of the first and second substances,

1-a feeding bin;

2-left cavity;

3-a right cavity;

4-horizontal rotation axis;

5-blade;

6-a partition part;

7-a feed inlet;

8-a discharge hole;

9-widening the sealing end face;

10-screen mesh.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1, an embodiment of the present invention provides a feeding device for a dual-impeller airlock, including a feeding bin 1, where the feeding bin 1 includes two symmetrical cavities, which are divided into a left cavity 2 and a right cavity 3, horizontal rotating shafts 4 are disposed in the left cavity 2 and the right cavity 3, the horizontal rotating shafts 4 are respectively connected to two rotating electrical machines, and a plurality of uniformly arranged stirring blades 5 are disposed on the two horizontal rotating shafts 4; the device also comprises a partition part 6 which is arranged on the symmetrical axis of the left cavity and the right cavity and is used for isolating the two cavities, the two sides of the partition part 6 are cambered surfaces matched with the cambered surfaces of the inner walls of the left cavity and the right cavity, and the top of the partition part is of a triangular structure with the two sides recessed into cambered surfaces; the upper end and the lower end of the feeding bin 1 are respectively provided with a feeding hole 7 and a discharging hole 8.

As a preferable configuration of the embodiment of the present invention, further, the two rotating electric machine output shafts have opposite rotating directions.

As an optimal setting of the embodiment of the present invention, further, on a circle using the horizontal rotation axis 4 as a circle center and the length of the blade 5 as a radius, the arc length between the two arbitrary blade vertexes is smaller than the arc length of the arc surfaces on both sides of the partition portion 6.

By adopting the technical scheme, a material conveying position for bearing materials is formed between any two adjacent blades 5, powdery materials enter from the material inlet 7, fall into the material conveying position formed by the two blades 5 and rotate under the driving of the motor, when the powdery materials rotate to the material outlet, the materials slide down from the material conveying position to realize the unloading function, and the material conveying positions sequentially and circularly receive and unload materials; set up the rotating electrical machines of two sets of rotation directions, wherein 2 adversion anticlockwise rotations of left cavity, 3 adversion clockwise rotations of right cavity, this is because, it is longer than 6 both sides cambered surfaces of wall portion to control cavity inner wall cambered surface, it can satisfy more defeated material positions simultaneously defeated material, accelerate material conveying speed, improve conveying efficiency, and simultaneously, because control two cavity symmetries and set up, two motors that rotate opposite direction, make material conveying speed keep unanimous in two cavities, make 8 ejection of compact of discharge gate more even.

As the preferred setting of the embodiment of the utility model, further, 5 quantity on two horizontal rotation axle 4 blades are 5 ~ 8 pieces.

As a preferable configuration of the embodiment of the present invention, further, the top end of the blade 5 is provided with a widened sealing end surface 9 along the rotation direction of the blade 5.

As the preferred setting of the embodiment of the present invention, further, the gap between the widened sealing end surface 9 and the inner wall of the cavity is smaller than 0.5 mm.

By adopting the technical scheme, the sealing end face 9 is widened, the feed inlet 7 and the discharge outlet 8 are always in a partition state, the purpose of locking air is achieved, meanwhile, the wear-resisting property of the top end of the blade 5 is greatly improved by widening the end face 9, and the service life of the blade is prolonged.

As the preferred setting of the embodiment of the present invention, further, the feed inlet 7 is provided with a screen 10.

Through adopting above-mentioned technical scheme, screen cloth 10 screens the large granule, avoids being damaged by large granule debris by the air lock.

To sum up, the utility model discloses a theory of operation is: powdery materials enter the left cavity and the right cavity through the feed inlet 7 and respectively fall between the blades 5 in the left cavity and the right cavity, the rotating motor drives the materials to start rotating around the horizontal rotating shaft 4, when the blades 5 loaded with the materials rotate to the discharge outlet, the materials slide down from the blades 5 to realize the unloading function, and the two groups of rotating motors in the rotating directions are arranged to accelerate the material conveying speed and improve the conveying efficiency; the left cavity and the right cavity are symmetrically arranged, and the two motors with opposite rotating directions keep the material conveying speeds in the two cavities consistent, so that the material is discharged more uniformly from the discharge port 8; the widened sealing end face 9 is arranged on the blade 5, so that the feed port 7 and the discharge port 8 are always in a separated state, the purpose of locking air is achieved, meanwhile, the widened end face 9 greatly improves the wear resistance of the top end of the blade 5, and the service life of the blade is prolonged; the screen 10 screens large particles, so that the air lock is not easily damaged by large-particle impurities.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims above, any of the claimed embodiments may be used in any combination. The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

Claims (7)

1. The feeding device of the double-impeller airlock comprises a feeding bin and is characterized in that the feeding bin comprises two cavities which are symmetrical to each other and are divided into a left cavity and a right cavity, horizontal rotating shafts are arranged in the left cavity and the right cavity, the horizontal rotating shafts are respectively connected with two rotating motors, and a plurality of stirring blades which are uniformly arranged are arranged on the two horizontal rotating shafts; the device also comprises a partition part which is arranged on the symmetrical axis of the left cavity and the right cavity and is used for isolating the two cavities, the two sides of the partition part are cambered surfaces matched with the cambered surfaces of the inner walls of the left cavity and the right cavity, and the top of the partition part is of a triangular structure with the two sides recessed into cambered surfaces; the feeding bin is provided with a feeding hole and a discharging hole at the upper end and the lower end respectively.

2. The dual impeller airlock feeder of claim 1, wherein said two rotating electrical machine output shafts rotate in opposite directions.

3. The dual impeller airlock feeding device of claim 1, wherein the arc length between the apexes of any two of the blades is smaller than the arc length of the arc surfaces on both sides of the partition portion on a circle having the horizontal rotation axis as the center of circle and the length of the blade as the radius.

4. The dual impeller airlock feed device of claim 1, wherein the number of blades on both horizontal rotating shafts is between 5 and 8.

5. The twin impeller airlock feeder of claim 1, wherein said blade tips are provided with a widened sealing end surface in the direction of rotation of said blades.

6. The dual impeller airlock feed assembly of claim 5 wherein said widened seal end surface has a clearance from the inner wall of the chamber of less than 0.5 mm.

7. The dual impeller airlock feeding set of claim 1 wherein said feed port is provided with a screen.

Images