CN212167707U - Effectual fluid energy mill of noise control - Google Patents

Abstract

The utility model discloses a jet mill with good noise-proof effect, which comprises an outer box body arranged on a base, a crushing device arranged in an inner box body, a material receiving box and a negative pressure device, wherein the outer box body and the inner box body are both fixedly connected with the base, the outer surface of the inner box body is provided with a sound insulation layer, and a gap is reserved between the outer box body and the inner box body, the jet mill with good noise-proof effect can reduce the noise transmission by opening the negative pressure device to form a vacuum layer outside the device when the device is used through the matching between the outer box body arranged on the base, the crushing device arranged in the inner box body, the material receiving box and the negative pressure device, and is provided with a control device which can be automatically opened when the device is prepared, automatically closed when the material is taken after the device is finished, and does not need manual operation, thereby improving the noise-proof effect, the problem of prior art only adopt the one deck to give sound insulation to fill up, such sound insulation effect is not good is solved.

Description

Effectual fluid energy mill of noise control

Technical Field

The utility model relates to a reducing mechanism specifically is a noise control is effectual fluid energy mill.

Background

The working principle of the jet mill is that compressed air is filtered and dried, and then is injected into a grinding cavity at a high speed through a Laval nozzle, materials at the intersection point of a plurality of high-pressure air flows are repeatedly collided, rubbed and sheared to be ground, the ground materials move to a classification area along with ascending air flow under the suction force of a fan, under the action of strong centrifugal force generated by a classification turbine rotating at a high speed, the thick and thin materials are separated, fine particles meeting the particle size requirement enter a cyclone separator and a dust remover to be collected through a classification wheel, and the coarse particles descend to the grinding area to be continuously ground.

Because the inside of jet mill has the air current of high-speed motion, so produce the noise easily, current processing mode is outside at the device setting up the sound insulation pad, and such mode is too simple, and the sound insulation effect that the one deck sound insulation pad is not good, and the sound insulation effect who plays is very limited.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a noise control is effectual fluid energy mill to solve the problem that proposes among the above-mentioned background art.

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

the utility model provides an effectual fluid energy mill of noise control, includes the outside box of installing on the base, installs reducing mechanism in the internal box, connects workbin and vacuum device, outside box and internal box all with base fixed connection, the surface of internal box is equipped with and leaves the space between puigging and outside box and the internal box, the lateral wall of internal box and external box has all been seted up logical groove and has connect workbin and this logical groove joint, vacuum device's the end of breathing in runs through outside box and extends to in the space between outside box and the internal box.

As a further aspect of the present invention: the smashing device comprises an air pump and Laval nozzles, wherein the air pump and the Laval nozzles are communicated through an air jet pipe and are provided with two groups, and the Laval nozzles are located in the inner box body and are opposite in position.

As a further aspect of the present invention: the negative pressure device comprises a negative pressure machine and a control device, the air suction end of the negative pressure machine penetrates through the external box body, and the negative pressure machine is electrically connected with the control device and the control device is movably connected with the material receiving box.

As a further aspect of the present invention: controlling means includes electrode component, plate electrode and power supply, electrode component passes through connecting rod fixed connection with the upper surface that connects the workbin, the plate electrode is relative with the position of the outer wall fixed connection of outside box and plate electrode and electrode component, plate electrode and power supply all with negative pressure machine electric connection, electrode component and power supply electric connection.

As a further aspect of the present invention: when the electrode element is in lap joint with the electrode plate, the material receiving box is in lap joint with the inner wall of the inner box body, and the material receiving box is completely sealed with the outer box body and the inner box body.

Compared with the prior art, the beneficial effects of the utility model are that:

this air flow crusher that noise control effect is good, through installing the outside box on the base, install the reducing mechanism in the inside box, connect the cooperation between workbin and the negative pressure device, make the device when using, it can form the vacuum layer in the device outside to open the negative pressure device, the spread of noise abatement, and control device has been set up, can open automatically when the device is ready, the completion back, automatic self-closing when getting the material, do not need the manual operation, the effect of noise control has been improved, only adopt one deck sound insulation pad to have solved prior art, such sound insulation effect is not good problem.

Drawings

Fig. 1 is a schematic structural view of a jet mill having a good noise-proof effect.

Fig. 2 is a schematic view showing what is in the air flow crusher having a good noise preventing effect.

In the figure: 1. a base; 2. an inner box; 3. a sound insulating layer; 4. an outer case; 5. a laval nozzle; 6. a gas ejector tube; 7. an air pump; 8. a seal ring; 9. a material receiving box; 10. an electrode element; 11. an electrode plate; 12. a negative pressure machine; 13. and (4) a power supply source.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Example 1

Referring to fig. 1-2, an air flow crusher with good noise prevention effect comprises an external box 4 mounted on a base 1, a crushing device mounted in an internal box 2, a material receiving box 9 and a negative pressure device, wherein the external box 4 and the internal box 2 are both fixedly connected with the base 1, the outer surface of the internal box 2 is provided with a sound insulation layer 3, a gap is reserved between the external box 4 and the internal box 2, the side walls of the internal box 2 and the external box 4 are both provided with a through groove, the material receiving box 9 is clamped with the through groove, the air suction end of the negative pressure device penetrates through the external box 4 and extends into the gap between the external box 4 and the internal box 2, when in use, a material to be crushed in the internal box 2 is cut and crushed by high-speed air flow ejected by a laval nozzle 5, falls into the material receiving box 9, and is pulled out of the material receiving box 9 after the crushing is completed, can conveniently take out the material after smashing, effectively improve fluid energy mill's work efficiency, the device is in the use, and inside high velocity air can produce the noise, uses the negative pressure device to siphon away the air in the space between with outside box 4 and inside box 2, makes it form vacuum state, the spread of noise abatement.

Reducing mechanism belongs to prior art, does not do and has no longer been described, reducing mechanism includes air pump 7 and laval nozzle 5, air pump 7 and laval nozzle 5 are equipped with two sets ofly through jet-propelled pipe 6 intercommunication and laval nozzle 5, and are two sets of laval nozzle 5 all is located the inside and the position of inside box 2 relatively, jet-propelled pipe 6 all passes through 8 fixed connection of sealing washer with outside box 4 and inside box 2.

The structure of the negative pressure device is not limited, as long as the requirement that air in the gap can be sucked out is met, the negative pressure device can form vacuum, the negative pressure device is optional, in the embodiment, the negative pressure device comprises a negative pressure machine 12 and a control device, the air suction end of the negative pressure machine 12 penetrates through the external box body 4, the negative pressure machine 12 is electrically connected with the control device, the control device is movably connected with the material receiving box 9, the negative pressure machine 12 belongs to the prior art, and the control device is controlled to be switched by the movement of the material receiving plate 9.

The structure of the control device is not limited, as long as the control device is opened when the material receiving box 9 is closed and closed when the material receiving box 9 is pulled out, preferably, in this embodiment, the control device includes an electrode element 10, an electrode plate 11 and a power supply 13, the electrode element 10 is fixedly connected with the upper surface of the material receiving box 9 through a connecting rod, the electrode plate 11 is fixedly connected with the outer wall of the external box 4, the electrode plate 11 is opposite to the electrode element 10, the electrode plate 11 and the power supply 13 are both electrically connected with the negative pressure machine 12, the electrode element 10 is electrically connected with the power supply 13, when the material receiving box 9 is closed in use, the external box 4, the internal box 2 and the gap between the two are all in a sealed state with the material receiving plate 9, at this time, the electrode element 10 is overlapped with the electrode plate 11, the circuit is connected, the power supply 13 supplies power to the negative pressure machine 12 to turn on the negative pressure, the gap is vacuumized, after the crushing is finished, the material receiving box 9 is taken out, the electrode element 10 is separated from the electrode plate 11, the circuit is disconnected, the negative pressure machine 12 is powered off and closed, the material receiving box 9 is taken out, the external box body 4 and the internal box body 2 are not in a sealing state, the gap between the two is not in a vacuum state, and the circuit is recovered to be normal.

Further, when the electrode member 10 is overlapped with the electrode plate 11, the receiving box 9 is overlapped with the inner wall of the inner case 2 and the receiving box 9 is completely sealed with the outer case 4 and the inner case 2.

Example 2

The present embodiment explains the operation principle of the control device in embodiment 1, specifically as follows:

when the material receiving box 9 is closed, the outer box body 4, the inner box body 2, a gap between the outer box body and the inner box body and the material receiving plate 9 are in a sealed state, at the moment, the electrode element 10 is in lap joint with the electrode plate 11, the circuit is communicated, the power supply 13 supplies power to the negative pressure machine 12, the negative pressure machine 12 is started, the gap is vacuumized, after the crushing is completed, the material receiving box 9 is drawn out, the electrode element 10 is separated from the electrode plate 11, the circuit is disconnected, the negative pressure machine 12 is powered off and closed, after the material receiving box 9 is drawn out, the outer box body 4 and the inner box body 2 are not in a sealed state, the gap between the outer box body and the.

The utility model discloses a theory of operation is: when the device is used, the material to be crushed is cut and crushed in the internal box body 2 through the high-speed airflow sprayed by the Laval nozzle 5, and then falls into the inside of the material receiving box 9, the material receiving box 9 is pulled out after the crushing is completed, the crushed material can be conveniently taken out, the working efficiency of the airflow crusher is effectively improved, the device is used, the internal high-speed airflow can generate noise, the air in the gap between the external box body 4 and the internal box body 2 is sucked away by using a negative pressure device, so that the vacuum state is formed, and the noise is reduced.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims (5)

1. The utility model provides an effectual fluid energy mill of noise control, is including installing outside box (4) on base (1), installing reducing mechanism in inside box (2), connecing workbin (9) and vacuum device, outside box (4) and inside box (2) all with base (1) fixed connection, a serial communication port, the surface of inside box (2) is equipped with puigging (3) and leaves the space between outside box (4) and inside box (2), the lateral wall of inside box (2) and outside box (4) has all been seted up and has been led to the groove and connect workbin (9) and this logical groove joint, vacuum device's the end of breathing in runs through outside box (4) and extends to in the space between outside box (4) and inside box (2).

2. The airflow crusher with good noise prevention effect according to claim 1, wherein the crushing device comprises an air pump (7) and two sets of Laval nozzles (5), the air pump (7) and the Laval nozzles (5) are communicated through an air injection pipe (6), the two sets of Laval nozzles (5) are arranged, the two sets of Laval nozzles (5) are located inside the inner box body (2) and are opposite in position, and the air injection pipe (6) is fixedly connected with the outer box body (4) and the inner box body (2) through sealing rings (8).

3. The airflow mill with good noise prevention effect according to claim 1, characterized in that the negative pressure device comprises a negative pressure machine (12) and a control device, the air suction end of the negative pressure machine (12) penetrates through the outer box body (4), the negative pressure machine (12) is electrically connected with the control device, and the control device is movably connected with the material receiving box (9).

4. The airflow mill with good noise prevention effect according to claim 3, wherein the control device comprises an electrode element (10), an electrode plate (11) and a power supply source (13), the electrode element (10) is fixedly connected with the upper surface of the material receiving box (9) through a connecting rod, the electrode plate (11) is fixedly connected with the outer wall of the outer box body (4), the electrode plate (11) is opposite to the electrode element (10), the electrode plate (11) and the power supply source (13) are both electrically connected with the negative pressure machine (12), and the electrode element (10) is electrically connected with the power supply source (13).

5. A jet mill with good noise-proof effect according to claim 1, characterized in that when the electrode elements (10) are overlapped with the electrode plates (11), the receiving box (9) is overlapped with the inner wall of the inner box (2) and the receiving box (9) is completely sealed with the outer box (4) and the inner box (2).

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