CN211134604U

CN211134604U - Ultrasonic vibration sieve

Info

Publication number: CN211134604U
Application number: CN201921276839.2U
Authority: CN
Inventors: 刘智敏; 王世银; 巢汇
Original assignee: Jiangxi Shenghua New Material Co ltd
Current assignee: Jiangxi Shenghua New Material Co ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-07-31
Anticipated expiration: 2029-08-07

Abstract

The utility model provides an ultrasonic vibration sieve, which relates to the technical field of mechanical equipment, and comprises a screen and a blowing mechanism, wherein an air nozzle of the blowing mechanism faces towards the screen, when in use, materials are continuously conveyed onto the screen, and the material cannot be timely passed through by the screen due to uneven output quantity of the materials in the conveying process and is slowly accumulated, at the moment, the blowing mechanism is started according to the accumulation condition of the materials, the air nozzle of the blowing mechanism faces towards the screen, the materials accumulated on the screen can be blown up by the gas sprayed by the air nozzle, and then the materials fall to different positions of the screen and pass through the screen again by utilizing the self gravity of the materials, thereby realizing the removal of the accumulated materials, increasing the material processing quantity, reducing the load of the screen and preventing the damage of the screen, the production efficiency is improved, and the production cost is reduced.

Description

Ultrasonic vibration sieve

Technical Field

The utility model belongs to the technical field of mechanical equipment technique and specifically relates to an ultrasonic vibration sieve is related to.

Background

The ultra-fine powder is screened by an ultrasonic vibration screen, which is a common separation process for particles with different sizes, and is mainly used for separating large-particle materials. The materials are mixed and then reach the vibrating screen through the feeding hole, the ultrasonic vibrating screen enables the screen to generate low-amplitude and high-frequency vibration through the ultrasonic transducer, the materials on the screen basically keep suspended on the screen, and then the materials pass through the vibrating screen to achieve the screening effect.

However, in the actual production process, the material is continuously conveyed to the screen through the feeding hole, the output quantity of the material is uneven in the conveying process, the material cannot timely pass through the screen to cause accumulation, the accumulated material can obstruct the movement of the material on the screen, the fatigue of the screen is easy to loosen, the treatment capacity of the material can be greatly reduced, the screen is finally damaged, after the screen is damaged, the material can only be replaced again and then the whole batch of material is sieved again, the production efficiency is undoubtedly reduced, and the production cost is wasted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an ultrasonic vibration sieve to solve current shale shaker because the output quantity of material is inhomogeneous in the transportation process, the material can not in time lead to piling up through the screen cloth, and accumulational material can hinder the motion of material on the screen cloth, not only makes the screen cloth tired loose easily, and the handling capacity of material that moreover can greatly reduced finally can lead to the damaged technical problem of screen cloth.

The utility model provides an ultrasonic vibration sieve, ultrasonic vibration sieve includes the screen cloth and the mechanism of blowing, the air jet orientation of the mechanism of blowing the screen cloth.

Further, the air blowing mechanism is arranged above the side of the screen.

Furthermore, the number of the air blowing mechanisms is multiple.

Further, the ultrasonic vibration sieve comprises a limit sensor, and the limit sensor is connected with the air blowing mechanism.

The limit sensor is used for monitoring the stacking condition of the materials on the screen, and when the materials are stacked to a set height, the limit sensor sends a signal to the blowing mechanism to control the blowing mechanism to start, and air is blown to the screen from the air blowing opening.

Furthermore, the limit sensor is an infrared sensor.

Furthermore, the blowing mechanism comprises an external air source and an electromagnetic valve, the electromagnetic valve is arranged between the air jet and the external air source, and the electromagnetic valve is used for controlling the opening or closing of the air jet.

Furthermore, ultrasonic vibration sieve includes the material import, the material access connection to the material import is carried the feed mechanism of material, spacing sensor with feed mechanism connects.

When the limit sensor monitors that the materials are stacked to a set height, the limit sensor sends a signal to the feeding mechanism, and the feeding mechanism stops conveying the materials to the material inlet according to the signal.

Furthermore, the blowing mechanism comprises a regulating valve, and the regulating valve is arranged between the external air source and the electromagnetic valve and used for regulating the air injection pressure of the air injection port.

Furthermore, the ultrasonic vibration sieve comprises a first cavity and a second cavity which are arranged on two opposite sides of the screen, the first cavity is positioned on the upper portion of the screen, and the second cavity is positioned on the lower portion of the screen.

A first discharge hole is formed in the first cavity and used for discharging unscreened materials; and a second discharge hole is formed in the second cavity and used for discharging screened materials.

Further, ultrasonic vibration sieve includes the dust cover, the dust cover with the upper end intercommunication of first cavity, the material import sets up on the dust cover.

The utility model provides an ultrasonic vibration sieve, which comprises a sieve mesh and an air blowing mechanism, the air jet of the air blowing mechanism faces the screen, when in use, the materials are continuously conveyed to the screen, the screen can not finish the material in time due to the uneven output quantity of the material in the conveying process, and the accumulation is slowly caused, at the moment, the blowing mechanism is started according to the accumulation condition of the material, because the gas jet of the blowing mechanism is towards the screen, the materials stacked on the screen can be blown by the gas jetted by the gas jet, and then, the material falls by its own weight to a different location on the screen and re-passes through the screen, therefore, the accumulated materials are removed, the material processing amount is increased, the load of the screen is reduced, the damage of the screen is prevented, the production efficiency is improved, and the production cost is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of an ultrasonic vibration screen according to an embodiment of the present invention;

fig. 2 is a control schematic diagram of an ultrasonic vibration sieve according to an embodiment of the present invention.

Icon: 100-screen mesh; 200-a blowing mechanism; 210-an air jet; 220-electromagnetic valve; 230-a regulating valve; 300-limit sensor; 400-a dust cover; 410-material inlet; 510-a first cavity; 511-a first outlet; 520-a second cavity; 521-a second discharge hole; 600-an ultrasonic transducer; 700-a controller; 800-a feeding mechanism; 900-base; 910-damping spring.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, the present invention provides an ultrasonic vibration sieve, which comprises a sieve screen 100 and a blowing mechanism 200, wherein an air outlet 210 of the blowing mechanism 200 faces the sieve screen 100.

When the material blowing device is used, materials are continuously conveyed to the screen 100, the screen 100 cannot finish the materials in time due to uneven output quantity of the materials in the conveying process and slowly accumulates on the screen 100, at this time, a user can start the blowing mechanism 200 according to the accumulation condition, as the air nozzle 210 of the blowing mechanism 200 faces the screen 100, the materials accumulated on the screen 100 can be blown up by the air sprayed by the air nozzle 210, and then the blown materials fall to different positions of the screen 100 by utilizing the self gravity and pass through the screen 100 again, so that the accumulated materials are removed, the material handling capacity is increased, the load of the screen 100 is reduced, the damage of the screen 100 is prevented, the production efficiency is improved, and the production cost is reduced.

Preferably, the air blowing mechanism 200 is disposed above the side of the screen 100.

Specifically, the air blowing mechanism 200 is disposed above the side of the screen 100, and the air jet ports 210 face the screen 100. The air jet ports 210 jet air from the side upper part of the screen 100 to the screen 100, so that a part of the materials can be suspended, and then fall onto the screen 100 by utilizing the gravity of the materials, because the ultrasonic transducer 600 is installed at the lower part of the screen 100, the screen 100 can generate low-amplitude and high-frequency vibration, so that the materials falling on the screen 100 and smaller than the mesh size of the screen 100 can pass through the screen 100, and the screening effect is achieved; another part of the material smaller than the mesh size of the screen 100 can be directly blown through the screen 100 by the gas ejected from the gas ejection ports 210. Therefore, the blowing mechanism 200 is arranged above the side of the screen 100, so that the air jet ports 210 can be used for jetting air to the side lower part, and the material with smaller size can be directly blown to the other side of the screen 100, thereby achieving the purpose of quickly eliminating the accumulation of the material.

Preferably, the number of the air blowing mechanisms 200 is plural.

Specifically, a plurality of air blowing mechanisms 200 are arranged along the circumferential direction of the screen 100, and the plurality of air blowing mechanisms 200 can more quickly remove the materials stacked on the screen 100 by air blowing, so that the removing efficiency is improved.

Preferably, the air blowing mechanism 200 may be provided with a plurality of air nozzles 210, the plurality of air nozzles 210 are arranged along the circumferential direction of the screen cloth 100 at intervals, and the air nozzles 210 are all arranged above the side of the screen cloth 100, so that the occupied space in the ultrasonic vibration sieve can be reduced because the volume occupied by the air nozzles 210 is relatively small.

It should be noted that the air blowing mechanism 200 may be disposed below or laterally below the screen 100, and a person skilled in the art may select an installation position according to actual situations.

As shown in fig. 2, the ultrasonic vibration sieve includes a limit sensor 300, and the limit sensor 300 is connected to the air blowing mechanism 200.

Specifically, the position limit sensor 300 is electrically connected to the air blowing mechanism 200, but may also be connected wirelessly, such as via bluetooth.

The limit sensor 300 is used for monitoring the stacking condition of the materials on the screen 100, and when the materials are stacked to a set height, the limit sensor 300 sends a signal to the blowing mechanism 200 to control the blowing mechanism 200 to start and blow air from the air nozzle 210 to the screen 100.

Specifically, the limit sensor 300 is also disposed above the side of the screen 100, when the limit sensor 300 detects that the material on the screen 100 is stacked to a set height, the limit sensor 300 sends a signal to the air blowing mechanism 200, the air blowing mechanism 200 is started after receiving the signal, and the air blowing ports 210 start to blow air to the screen 100, so that the material stacked on the screen 100 is resuspended, then falls down by its own gravity and passes through the screen 100 again, thereby removing the stacked material.

The blowing mechanism 200 may be a pulse-type blowing, i.e. blowing air for a period of time, then pausing for a period of time, and then blowing air for a period of time. The opening or closing of the air nozzle 210 may be manually controlled, i.e., manually controlled by a human. The advantage of the pulse-type air injection is that the suspended material can be blown down onto the screen 100 and pass through the screen 100 by its own weight during the time when the air blowing mechanism 200 is stopped, which is more advantageous for the material to pass through the screen 100.

The blowing mechanism 200 includes an external air source and a solenoid valve 220, the solenoid valve 220 is disposed between the air nozzle 210 and the external air source, and the solenoid valve 220 is used for controlling the opening or closing of the air nozzle 210.

Specifically, the blowing mechanism 200 includes an external air source, the external air source is connected to the solenoid valve 220, the solenoid valve 220 is connected to the air nozzle 210, and the solenoid valve 220 can control the connection or disconnection between the air nozzle 210 and the external air source, so as to control the opening or closing of the air nozzle 210, and the external air source may be an air pump.

External air supply with be provided with solenoid valve 220 between the gas jet 210, solenoid valve 220 can with spacing sensor 300 electricity is connected, works as when the material is piled up to the settlement height, spacing sensor 300 to solenoid valve 220 signals, solenoid valve 220 is according to the signal is opened, will external air supply with gas jet 210 intercommunication, gas can be followed gas jet 210 blowout for clear away accumulational material.

Preferably, the ultrasonic vibration sieve comprises a controller 700, the controller 700 is electrically connected with the limit sensor and the electromagnetic valve 220, respectively, when the limit sensor 300 detects that the material is stacked to a set height, the limit sensor sends a signal to the controller 700, and the controller 700 sends a control instruction to the electromagnetic valve 220 according to the signal, so as to control the electromagnetic valve 220 to be opened; when the accumulated material is cleared, the controller 700 may send a control command to the solenoid valve 220 to control the solenoid valve 220 to close. The control of the opening or closing of the solenoid valve 220 by the controller 700 is prior art and will not be described herein.

The controller 700 controls the opening and closing of the electromagnetic valve 220, so that the intermittent air injection of the air injection port 210 can be realized, that is, when the electromagnetic valve 220 is opened for a period of time, the controller 700 controls the electromagnetic valve 220 to be closed for a period of time, and then controls the electromagnetic valve 220 to be opened for a period of time, so that the intermittent air injection of the air injection port 210 is realized. In addition, the suspended material can fall down to the vibrating screen 100 by its own weight during the time when the air jet is suspended by the air jet ports 210, which is more advantageous for the material to pass through the screen 100.

It should be noted that the limit sensor 300, the controller 700 and the solenoid valve 220 may also be connected wirelessly.

The material inlet 410 is connected with a feeding mechanism 800 for conveying the material to the material inlet 410, and the limit sensor 300 is electrically connected with the feeding mechanism 800.

When the limit sensor 300 monitors that the material is stacked to a set height, the limit sensor 300 sends a signal to the feeding mechanism 800, and the feeding mechanism 800 stops feeding the material to the material inlet 410 according to the signal.

Specifically, when monitoring that the material stacked on the screen 100 reaches a set height, the limit sensor 300 sends a signal to the feeding mechanism 800 and the electromagnetic valve 220 at the same time, and after receiving the signal, the feeding mechanism 800 stops conveying the material to the material inlet 410; after receiving the signal, the electromagnetic valve 220 is opened, the blowing mechanism 200 operates, the air jet port 210 starts to jet air to the screen cloth 100 to remove the materials stacked on the screen cloth 100, and when the stacked materials are removed, the electromagnetic valve 220 is closed, and the feeding mechanism 800 is restarted.

It should be noted that, the time for restarting the feeding mechanism 800 and closing the solenoid valve 220 can be manually controlled, and after the material accumulated on the screen 100 is cleaned, the solenoid valve 220 can be manually closed first, and then the feeding mechanism 800 can be started.

Preferably, the ultrasonic vibration sieve comprises a controller 700, the limit sensor 300, the solenoid valve 220 and the feeding mechanism 800 are all electrically connected with the controller 700, when the limit sensor 300 monitors that the material stacked on the sieve 100 reaches a set height, signals are sent to the feeding mechanism 800 and the solenoid valve 220 at the same time, and after receiving the signals, the feeding mechanism 800 stops conveying the material to the material inlet 410; after the electromagnetic valve 220 receives the signal, it is opened, the blowing mechanism 200 operates, and the air jet port 210 starts to jet air to the screen cloth 100, so as to remove the materials stacked on the screen cloth 100. After the air is blown for a period of time and the accumulated materials are completely removed, the controller 700 sends a signal to the electromagnetic valve 220 again, the electromagnetic valve 220 is closed according to the signal, and the air blowing port 210 stops blowing air; the controller 700 sends a signal to the feeding mechanism 800, and the feeding mechanism 800 is activated according to the signal to continue to feed the material to the material inlet 410.

It should be noted that the time for blowing the air by the air blowing mechanism 200, i.e. the time interval from when the material feeding mechanism 800 stops feeding the material to when the material feeding mechanism 800 restarts feeding the material, can be set by the actual sieving time for stacking the material, and this time can be set in the controller 700 in advance, and the controller 700 can signal the electromagnetic valve 220 and the material feeding mechanism 800 according to this set time to control the electromagnetic valve 220 to close and the material feeding mechanism 800 to restart.

The set time can also be determined according to empirical data, and all the accumulated materials can be removed.

Preferably, in the process of blowing air by the air blowing mechanism 200, the controller 700 can control the electromagnetic valve 220 to be closed and opened to realize pulse air blowing of the air blowing mechanism 200, so that the suspended material falls down in a certain time, the material can smoothly pass through the screen 100, and a user can select the time interval of pulse air blowing as required.

Preferably, the limit sensor 300 is an infrared sensor.

The infrared sensor is a sensor that measures using physical properties of infrared rays. Infrared light is also called infrared light, and has properties of reflection, refraction, scattering, interference, absorption and the like. Any substance, as long as it has a certain temperature itself (above absolute zero), can radiate infrared rays. The infrared sensor does not directly contact with the measured object during measurement, so that friction does not exist, and the infrared sensor has the advantages of high sensitivity, quick response and the like.

It should be noted that the limit sensor 300 may be other contact type or non-contact type sensors, and may be configured to monitor the accumulated material and send signals to the blowing mechanism 200 and the controller 700.

The blowing mechanism 200 comprises an adjusting valve 230, and the adjusting valve 230 is disposed on a connecting pipeline between the external air source and the electromagnetic valve 220 and is used for adjusting the air injection pressure of the air injection port 210. During the use, through adjusting governing valve 230 can control jet-propelled pressure of air jet 210 is when changing behind screen cloth 100, after the size of a dimension of material changes, be used for the suspension the jet-propelled pressure of material also can be along with changing, here through the aperture of adjustment governing valve 230, and then changes jet-propelled pressure 210 can be in need not change under the prerequisite of mechanism 200 of blowing, can satisfy not unidimensional the suspension of material reaches and clears away the purpose of piling up the material, and is more convenient.

Further, the ultrasonic vibration screen includes a first cavity 510 and a second cavity 520 disposed at opposite sides of the screen 100, the first cavity 510 is located at an upper portion of the screen 100, the second cavity 520 is located at a lower portion of the screen 100, and the screen 100 separates the first cavity 510 from the second cavity 520.

A first discharge hole 511 is formed in the first cavity 510, and the first discharge hole 511 is used for discharging unscreened materials; a second discharge hole 521 is formed in the second cavity 520, and the second discharge hole 521 is used for discharging screened materials.

Specifically, a first discharge hole 511 is disposed on a side wall of the first cavity 510, and the first discharge hole 511 may be connected to a first material receiving barrel. After the ultrasonic vibration sieve works for a period of time, certain unscreened materials exist on the screen 100 and need to be discharged in time, otherwise, the working efficiency of the ultrasonic vibration sieve is affected, and at this time, the unscreened materials can be discharged into the first material receiving barrel from the first material outlet 511; the lower end of the side wall of the second cavity 520 is provided with a second discharge hole 521, and the second discharge hole 521 can be connected with a second material receiving barrel and used for discharging screened materials into the second material receiving barrel.

Further, the ultrasonic vibration sieve comprises a dust cover 400, the dust cover 400 is communicated with the upper end of the first cavity 510, and the material inlet 410 is arranged on the dust cover 400 and used for conveying the material onto the sieve screen 100.

Specifically, the dust cover 400 is communicated with the upper end of the first cavity 510, so as to prevent the material in the first cavity 510 from diffusing to the outside and affecting the environment. The ultrasonic vibration sieve is a common separation tool for particles with different sizes, the material is superfine powder under most conditions, the ultrasonic transducer 600 is needed to enable the screen 100 to generate low-amplitude and high-frequency vibration, then the superfine powder passes through the screen 100, and large-particle materials are left on the screen 100, so that the screening effect is realized. The dust cover 400 can prevent the ultra-fine powder from diffusing to the outside, so as to protect the working environment clean and tidy.

In this embodiment, the material inlet 410 is disposed at the top of the dust cover 400, and the material to be screened can enter the first cavity 510 through the material inlet 410, fall on the screen 100, and then be screened.

The ultrasonic vibration sieve comprises a base 900, the second cavity 520 is arranged at the upper end of the base 900, a damping spring 910 is arranged between the base 900 and the outer wall of the bottom of the second cavity 520, and the damping spring 910 is used for reducing vibration of the ultrasonic vibration sieve.

The utility model provides an ultrasonic vibration sieve, ultrasonic vibration sieve includes screen cloth 100 and blowing mechanism 200, the air jet 210 of blowing mechanism 200 is towards screen cloth 100, during the use, on the screen cloth 100 was carried in succession to the material, because the output quantity of material is inhomogeneous in transportation process, leads to screen cloth 100 to have not in time crossed the material, and slowly leads to piling up, when the material piles up and sets for the height, starts blowing mechanism 200, because blowing mechanism 200's air jet 210 is towards screen cloth 100, piles up material on the screen cloth 100 can be blown by air jet 210 spun gas, utilizes its gravity to fall extremely screen cloth 100's different positions and rethread screen cloth 100, thereby reduce screen cloth 100's load prevents screen cloth 100's damage, improves production efficiency, reduces manufacturing cost.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The ultrasonic vibration screen is characterized by comprising a screen and an air blowing mechanism, wherein an air nozzle of the air blowing mechanism faces the screen;

the ultrasonic vibration screen comprises a limit sensor, and the limit sensor is connected with the air blowing mechanism;

the limit sensor is used for monitoring the accumulation condition of the materials on the screen, and when the materials are accumulated to a set height, the limit sensor sends a signal to the blowing mechanism so as to control the blowing mechanism to start and blow air from the air blowing opening to the screen.

2. The ultrasonic vibration screen of claim 1, wherein the air blowing mechanism is disposed above a side of the screen.

3. The ultrasonic vibration screen of claim 1, wherein the number of the air blowing mechanisms is plural.

4. The ultrasonic vibratory screen of claim 1, wherein the limit sensor is an infrared sensor.

5. The ultrasonic vibration screen of claim 1, wherein the blowing mechanism comprises an external air source and a solenoid valve, the solenoid valve is arranged between the air nozzle and the external air source, and the solenoid valve is used for controlling the opening or closing of the air nozzle.

6. The ultrasonic vibration screen of claim 5, wherein the ultrasonic vibration screen comprises a material inlet, the material inlet is connected with a feeding mechanism for conveying the material to the material inlet, and the limit sensor is connected with the feeding mechanism;

7. The ultrasonic vibration screen of claim 6, wherein the blowing mechanism comprises a regulating valve disposed between the external air source and the solenoid valve for regulating the air injection pressure of the air injection port.

8. The ultrasonic vibratory screen of claim 7, wherein the ultrasonic vibratory screen comprises a first cavity and a second cavity disposed on opposite sides of the screen, the first cavity being located in an upper portion of the screen and the second cavity being located in a lower portion of the screen;

9. The ultrasonic vibratory screen of claim 8, wherein the ultrasonic vibratory screen includes a dust cover in communication with an upper end of the first cavity, the material inlet being disposed on the dust cover.