CN211488516U

CN211488516U - Powder mixture separating mechanism

Info

Publication number: CN211488516U
Application number: CN201922300805.9U
Authority: CN
Inventors: 宾跃; 黄敏坚; 陈建义
Original assignee: Foshan Haitian Flavoring and Food Co Ltd; Foshan Haitian Gaoming Flavoring and Food Co Ltd
Current assignee: Foshan Haitian Flavoring and Food Co Ltd; Foshan Haitian Gaoming Flavoring and Food Co Ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-09-15
Anticipated expiration: 2029-12-18

Abstract

The utility model relates to a material separation field, concretely relates to powder mixture separating mechanism, it shakes and is equipped with first separation chamber and second separation chamber in the sieve device, vibrating part orders about the vibration of sieve device, powder mixture gets into behind the first separation chamber and sieves through the screen cloth under the effect of the excitation force that vibrating part produced, large granule thing is discharged through the first discharge gate on the sieve device that shakes, the chamber is collected in the exhaust device suction, the air of second separation chamber and first separation chamber, make the small granule thing that wafts move regularly, and the air current is higher in the mesh department velocity of flow of screen cloth, can further carry out wind-force elutriation to the big particulate matter of mixture and small granule thing, promote the separation effect of powder, it is used for collecting the small granule thing to collect the chamber, small granule thing adopts the strength transportation can effectively avoid the dust to fly upward and influence the production environment.

Description

Powder mixture separating mechanism

Technical Field

The utility model relates to a material separation field especially relates to a powder mixture separating mechanism.

Background

To the different powder mixture of particle size, at present adopt the mode of screen cloth screening to separate usually, the aperture of screen cloth mesh has decided whether the particulate matter can pass through the screen cloth, and the particle size of particulate matter is less than the aperture of screen cloth mesh, then this particulate matter can pass through the mesh, otherwise, then can't pass through the mesh to the realization is separated the different powder mixture of particle size.

However, when the particle size difference of the particles in the powder exceeds a certain range, such as the particle size of the large particles is 2mm, and the particle size of the small particles is 5 μm, the small particles can be attached to the large particles by adopting a screening method, i.e. the small particles can be retained on one side of the screen together with the large particles, resulting in poor separation effect of the powder mixture. Meanwhile, the small particles are lighter in weight and fly around in the screening process, so that the environment is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model aims to provide a powder mixture separating mechanism to the problem that the dust flies upward when solving the relatively poor and screening of present powder mixture's separation effect.

Based on this, the utility model provides a powder mixture separating mechanism, which comprises a separating component and a collecting component;

the separation assembly comprises a vibrating screen device with a vibrating screen component, a first separation cavity and a second separation cavity which are communicated are arranged in the vibrating screen device, a screen is arranged between the first separation cavity and the second separation cavity, and the vibrating screen device is also provided with a second discharge hole communicated with the second separation cavity, a feed inlet and a first discharge hole communicated with the first separation cavity;

the collecting assembly comprises a collecting cavity and an exhaust device, the collecting cavity is communicated with the second discharge hole, and an air inlet end of the exhaust device is communicated with the collecting cavity.

Preferably, the first separation cavity and the second separation cavity are sequentially arranged from top to bottom, and the feed inlet is positioned at the top of the vibrating screen device.

Preferably, the screen is horizontally disposed.

Preferably, the second discharge port is located on a side wall of the vibrating screen device.

Preferably, a cone arranged opposite to the screen is arranged in the second separation cavity, and the second discharge hole is located on one side of the cone.

Preferably, the separating assembly further comprises a frame and an elastic member, and two ends of the elastic member are respectively connected to the vibrating screen device and the frame.

Preferably, a collection container is arranged in the collection cavity, and the exhaust device, the filtering device and the collection container are sequentially arranged from top to bottom.

Preferably, a funnel is further arranged in the collection cavity, the feeding end of the funnel is opposite to the filtering device, and the discharging end of the funnel is opposite to the opening of the collection container.

Preferably, the device further comprises a material conveying pipe, and two ends of the material conveying pipe are respectively connected to the second material outlet and the collecting cavity.

Preferably, the collecting assembly further comprises a filtering device, an air inlet end of the filtering device is communicated with the collecting cavity, and an air exhaust end of the filtering device is communicated with an air inlet end of the air exhaust device.

The utility model discloses a powder mixture separating mechanism, be equipped with first separation chamber and second separation chamber in its sieve device that shakes, vibrating component orders about the vibration of sieve device that shakes, powder mixture gets into behind the first separation chamber through the screen cloth screening under the effect of the excitation force that vibrating component produced, large granule thing is discharged through the first discharge gate on the sieve device that shakes, the chamber is collected in the exhaust device suction, the air in second separation chamber and first separation chamber, make the tiny particle thing that wafts to move regularly, and the air current is higher at the mesh department velocity of flow of screen cloth, can further carry out wind-force elutriation to the big particulate matter of mixing and tiny particle thing, promote the separation effect of powder, it then is used for collecting the tiny particle thing to collect the chamber, tiny particle thing adopts pneumatic transport can effectively avoid the dust to fly and influence the production environment.

Drawings

Fig. 1 is a schematic structural diagram of a powder mixture separation mechanism according to an embodiment of the present invention.

Wherein, 1, separating the components; 11. a vibrating screen device; 111. a first separation chamber; 112. a second separation chamber; 113. screening a screen; 114. a vibrating member; 115. a feed inlet; 116. a first discharge port; 117. a second discharge port; 118. a cone; 12. a frame; 13. an elastic member; 2. a collection assembly; 21. a collection chamber; 211. a collection container; 212. a funnel; 22. a filtration device; 23. an air exhaust device; 3. a delivery pipe.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Referring to fig. 1, a powder mixture separating mechanism of the present invention is schematically shown, which includes a separating assembly 1 and a collecting assembly 2.

The separation assembly 1 comprises a vibrating screen device 11 with a vibrating part 114, a first separation cavity 111 and a second separation cavity 112 which are communicated are arranged in the vibrating screen device 11, and a screen 113 is arranged between the first separation cavity 111 and the second separation cavity 112. The vibrating screen device 11 is further provided with a feeding hole 115, a first discharging hole 116 and a second discharging hole 117. The vibrating member 114 is located at the bottom of the vibrating screen device 11, and the vibrating member 114 may be an existing eccentric vibrating motor. The first discharge port 116 and the feed port 115 are communicated with the first separation cavity 111, and the second discharge port 117 is communicated with the second separation cavity 112.

The collecting assembly 2 includes a collecting chamber 21, a filtering device 22 and an air exhausting device 23, the collecting chamber 21 is communicated with the second discharging hole 117, an air inlet end of the filtering device 22 is communicated with the collecting chamber 21, an air exhausting end of the filtering device 22 is communicated with the air exhausting device 23, the air exhausting device 23 can adopt an existing axial flow fan, the air exhausting device 23 is used for sucking air in the collecting chamber 21 to force the air to flow through the filtering device 22, of course, the air exhausting device 23 can also guide airflow to flow through the first separating chamber 111 and the second separating chamber 112 in sequence and enter the collecting chamber 21.

In the process of separating the powder mixture, the powder mixture (containing large particles and small particles, the particle size of the large particles is larger than that of the small particles) is fed into the first separation chamber 111 from the feeding hole 115, the vibration part 114 generates an excitation force and acts on the vibration sieve device 11, the excitation force of the screen 113 forces the mixed large particles and small particles to be separated, especially the small particles attached to the large particles can be peeled off, because the particle size of the small particles is smaller than the aperture of the mesh of the screen 113, and the particle size of the large particles is larger than the aperture of the mesh of the screen 113, the large particles can be separated from the first separation chamber 111 by the screen 113, and the small particles can pass through the screen 113 and enter the second separation chamber 112, and the large particles in the first separation chamber 111 can be discharged from the first discharging hole 116.

Meanwhile, the air exhaust device 23 sucks the air in the collection chamber 21, the second separation chamber 112 and the first separation chamber 111, so that the air flows through the first separation chamber 111, the second separation chamber 112 and the collection chamber 21 in sequence, the flying small particles move along with the air, the flowing air can not only avoid the small particles from being retained in the first separation chamber 111 (the small particles are light in weight, small in gravity and slow in falling speed), but also can carry out wind power elutriation on the powder mixture, specifically, the air flow rate at the mesh of the screen 113 is high, so that the powder mixture continuously impacts the screen 113, the small particles attached to large particles fall off when impacting the screen 113, and then pass through the screen 113 under the driving of the air flow. The small particles enter the collection chamber 21 from the second separation chamber 112 through the second discharge port 117, and the filter device 22 can block the small particles and allow air to flow through, so as to ensure that the small particles can be collected and stored by the collection chamber 21.

The powder mixture separating mechanism screens the powder mixture through the exciting force of the vibrating part 114 and the airflow generated by the air exhausting device 23, so that small particles are prevented from being attached to large particles, and the separating effect is improved. And the small particles are pneumatically conveyed, so that dust is prevented from escaping and diffusing, and the production environment is prevented from being influenced.

Specifically, the first separation chamber 111 and the second separation chamber 112 are sequentially arranged from top to bottom, the feeding port 115 is located at the top of the vibrating screen device 11, the screen 113 is horizontally arranged, and the first discharging port 116 is located on the side wall of the vibrating screen device 11. The powder mixture entering the first separation chamber 111 from the inlet 115 falls to the screen 113 under the action of gravity, the small particles in the first separation chamber 111 enter the second separation chamber 112 through the screen 113 under the combined action of gravity and air flow, and the large particles in the first separation chamber 111 are gradually discharged from the first outlet 116 at one side of the screen 113.

The second discharge port 117 is located on the side wall of the vibrating screen device 11, a cone 118 is arranged in the second separation chamber 112 opposite to the screen 113, wherein the cone 118 is preferably conical, the second discharge port 117 is located on one side of the cone 118, air in the second separation chamber 112 flows to the second discharge port 117 on one side of the cone 118 under the action of the exhaust device 23, so that cyclone is generated in the second separation chamber 112, and small particles rotate in the second separation chamber 112 along with the cyclone and move centrifugally. Meanwhile, the small particles fall to the surface of the cone 118, and the tapered surface of the cone 118 provides a radial component force to the small particles, which is directed to the radial outside of the cone 118, further driving the small particles to perform centrifugal motion, and finally discharging the small particles from the second discharge hole 117. The separating mechanism further comprises a material conveying pipe 3, two ends of the material conveying pipe 3 are respectively connected with the second material outlet 117 and the collecting cavity 21, and the small particles are discharged from the second material outlet 117 and enter the collecting cavity 21 through the material conveying pipe 3.

The separating assembly 1 further comprises a frame 12 and an elastic member 13, wherein both ends of the elastic member 13 are respectively connected to the vibrating screen device 11 and the frame 12, and the elastic member 13 is preferably a spring which can prevent the vibration of the vibrating screen device 11 from being transmitted to the frame 12.

The collection cavity 21 is internally provided with a funnel 212 and a collection container 211, the exhaust device 23, the filter device 22 and the collection container 211 are sequentially arranged from top to bottom, the feeding end of the funnel 212 is arranged opposite to the filter device 22, the discharging end of the funnel 212 is arranged opposite to the opening of the collection container 211, and small particles fall into the funnel 212 after being filtered by the filter device 22 and finally fall into the collection container 211.

To sum up, the utility model discloses a powder mixture separating mechanism, it shakes and is equipped with first separation chamber 111 and second separation chamber 112 in the sieve device 11, vibrating part 114 orders about the vibration of sieve device 11, powder mixture gets into behind first separation chamber 111 under the effect of the excitation force that vibrating part 114 produced sieves through screen cloth 113, large granule thing is discharged through first discharge gate 116 on the sieve device 11 that shakes, exhaust apparatus 23 suction collects chamber 21, the air of second separation chamber 112 and first separation chamber 111, make the little particulate matter motion of wafing, and the air current is higher at the mesh department velocity of flow of screen cloth 113, can further carry out wind-force elutriation to the big particulate matter and the little particulate matter of mixing, promote the separation effect of powder, little particulate matter is finally accomodate in collecting chamber 21, little particulate matter adopts pneumatic transport can effectively avoid the dust to fly and influence the production environment.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. A powder mixture separating mechanism is characterized by comprising a separating component and a collecting component;

the separation assembly comprises a vibrating screen device with a vibrating part, a first separation cavity and a second separation cavity which are communicated are arranged in the vibrating screen device, a screen is arranged between the first separation cavity and the second separation cavity, and the vibrating screen device is also provided with a second discharge hole communicated with the second separation cavity, a feed inlet and a first discharge hole communicated with the first separation cavity;

2. The powder mixture separating mechanism of claim 1, wherein the first separating cavity and the second separating cavity are sequentially arranged from top to bottom, and the feed inlet is located at the top of the vibrating screen device.

3. The powder mixture separating mechanism of claim 1, wherein the screen is horizontally disposed.

4. The powder mixture separating mechanism of claim 1, wherein the second discharge port is located on a side wall of the vibrating screen device.

5. The powder mixture separating mechanism of claim 1, wherein a cone is disposed in the second separating chamber opposite to the screen, and the second discharge port is located at one side of the cone.

6. A powder mixture separating mechanism as claimed in claim 1, wherein the separating assembly further comprises a frame and an elastic member, and both ends of the elastic member are connected to the vibrating sieve device and the frame, respectively.

7. The powder mixture separating mechanism of any one of claims 1 to 6, wherein a collecting container is disposed in the collecting chamber, and the air exhausting device, the filtering device and the collecting container are sequentially disposed from top to bottom.

8. The powder mixture separating mechanism of claim 7, wherein a funnel is further disposed in the collection chamber, a feed end of the funnel is disposed opposite to the filtering device, and a discharge end of the funnel is disposed opposite to an opening of the collection container.

9. The powder mixture separating mechanism of claim 1, further comprising a feed pipe, wherein two ends of the feed pipe are connected to the second outlet and the collecting chamber, respectively.

10. The powder mixture separating mechanism of claim 1, wherein the collecting assembly further comprises a filtering device, an air inlet end of the filtering device is communicated with the collecting cavity, and an air outlet end of the filtering device is communicated with an air inlet end of the air outlet device.