CN216986839U

CN216986839U - Negative pressure dust suction device in dust suction grinder

Info

Publication number: CN216986839U
Application number: CN202123128959.8U
Authority: CN
Inventors: 朱建生; 孙存中; 胡亮
Original assignee: Anhui Yuebo Bio Pharmaceutical Co ltd
Current assignee: Anhui Yuebo Bio Pharmaceutical Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-07-19
Anticipated expiration: 2031-12-13

Abstract

The utility model discloses a negative pressure dust suction device in a dust suction grinder, which comprises a shell, wherein a partition plate for partitioning the shell into a negative pressure chamber and a dust suction chamber is arranged in the shell, a plurality of filter pipes are fixedly inserted in the partition plate, one section of the filter pipe positioned in the dust suction chamber is an elastic corrugated pipe, a connecting piece is respectively arranged in each filter pipe, the lower end of each connecting piece is connected with the lower end of the corresponding filter pipe, and a linear driving mechanism is arranged at the top of the shell and is respectively and fixedly connected with the part of each connecting piece positioned in the negative pressure chamber. The dust removal device can continuously and continuously work when dust on the surface of the filter pipe falls off, and has good dust removal capability.

Description

Negative pressure dust suction device in dust suction grinder

Technical Field

The utility model relates to the field of medicine production devices, in particular to a negative pressure dust suction device in a dust suction pulverizer.

Background

When the capsule medicine is produced, the raw materials are crushed and then are filled into capsules, and the capsules are filled into capsule plates and then are packed into boxes. At present, a dust absorption crusher is generally adopted to crush raw materials, and comprises a crushing device, a dust absorption device and the like, wherein the crushing device crushes the raw materials, and the dust absorption device absorbs dust generated during crushing. The dust suction device is generally provided with a cyclone dust collector and a negative pressure pulse dust collector according to needs, dust generated in production is primarily removed by the cyclone dust collector and then enters the negative pressure pulse dust collector, and finally, the negative pressure pulse dust collector removes dust again and then discharges clean air.

The structure of the existing negative pressure pulse dust collector is shown in fig. 1, and the existing negative pressure pulse dust collector comprises a machine barrel 1, wherein the top and the bottom of the machine barrel 1 are both closed, the bottom of the machine barrel 1 is connected with a dust exhaust port 2, the side wall of the lower part of the machine barrel 1 is connected with a dust inlet 3, a partition plate 4 is arranged in the machine barrel 1 to divide the machine barrel 1 into an upper part and a lower part, wherein a negative pressure chamber 5 is arranged inside the machine barrel 1 above the partition plate 4, a dust suction chamber 6 is arranged inside the machine barrel 1 below the partition plate 4, the side wall of the machine barrel 1 corresponding to the negative pressure chamber 5 is connected with an air outlet 7, and the air outlet is connected with an exhaust fan 12. A plurality of rigid filter pipes 8 are fixedly connected to the partition plate 4 in an inserted mode, the lower end of each filter pipe is sealed and extends into the dust collection chamber 6, the upper end of each filter pipe 8 is a pipe opening and extends into the negative pressure chamber 5, the pipe wall of each filter pipe 8 located in the dust collection chamber 6 is provided with a plurality of filter holes, a main air pipe 9 is further arranged in the negative pressure chamber, the main air pipe 9 is connected with a plurality of branch pipes 10, the pipe openings of the upper ends of the filter pipes 8 are communicated with the branch pipes 10 in a one-to-one mode, and the main air pipe 9 is connected with an air bag 11 fixed to the outside of the machine barrel 1. During operation, the gas that has the dust that cyclone dust collector flowed out gets into suction chamber 6 of barrel 1 from dust inlet 3, and air exhauster 12 work simultaneously makes the negative pressure chamber 5 of barrel 1 form the negative pressure, and heavier dust particle directly falls into clapping dirt mouth 2 in the gas that gets into suction chamber 6, and lighter dust flows to filter tube 8 along with gas under the negative pressure effect of negative pressure chamber 5, filters through filter tube 8 and dams the dust, and pure gas gets into negative pressure chamber 5 and finally is discharged by air exhauster 12 from this. When a large amount of dust adheres to the surface of the filter pipe 8 corresponding to the position of the filter hole, the filter pipe 8 is blocked, at this time, air is supplied to the main air pipe 9 and each branch pipe 10 through the air bag 11, air is blown into the filter pipe 8 through the branch pipes 10, and accordingly the dust adhering to the filter hole of the filter pipe 8 is blown off.

The negative pressure pulse dust collector with the structure has the advantages that when the negative pressure pulse dust collector works, air flow needs to be blown out from the main branch pipeline to the filter pipe 8 at intervals so that attached dust can be blown off, the filter pipe 8 can be prevented from being blocked, the negative pressure environment can be obviously damaged when the air is blown into the filter pipe 8, the dust can not be blown off, and meanwhile, the function of dust collection and air exhaust can not be realized, so that the problem of discontinuous work exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a negative pressure dust suction device in a dust suction grinder, which aims to solve the problem of discontinuous work of a negative pressure pulse dust collector in the prior art.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

in the utility model, the original rigid filter pipe is redesigned, wherein one section of the filter pipe positioned in the dust collection chamber is set as an elastic corrugated pipe, a connecting piece is arranged in the filter pipe, the lower end of the connecting piece is used for connecting the lower end of the filter pipe, and the part of the upper end of the connecting piece extending into the negative pressure chamber is connected with the linear driving mechanism. Therefore, when the dust shaking device works, the connecting piece is driven to vertically move up and down through the linear driving mechanism, so that the filtering pipe can vibrate up and down through the elastic corrugated pipe, and dust attached to the surface of the filtering pipe is shaken off by utilizing the up-and-down vibration. Therefore, the utility model changes the prior mode that the dust attached to the surface of the filter pipe is blown off by the airflow mainly, and adopts the mechanical vibration to shake off the dust, so that the whole device can keep a continuous working state during the mechanical vibration.

In the utility model, the lower end of the connecting piece is connected with the lower end of the filter pipe through the spring, the vibration capability of the filter pipe is enhanced through the spring, and the filter pipe can generate vibration with larger amplitude by matching with the corrugated pipe section.

In the utility model, the connecting piece can adopt the vent pipe, the wall of the vent pipe is provided with the air outlet, and the vent pipe is connected with an external air source, so the utility model can still combine the traditional air flow blowing mode, air flow is introduced into the vent pipe through the air source, and the air flow is blown to the filter pipe from the air outlet of the vent pipe. Therefore, the utility model not only can shake off the dust on the surface of the filter pipe by mechanical vibration, but also can blow off the dust attached to the filter pipe by airflow when needed, and the blowing off of the airflow can be used as a supplementary means for making the dust on the surface of the filter pipe fall off by mechanical vibration.

Compared with the prior art, the utility model has the following advantages:

the dust remover can continuously work when dust on the surface of the filter pipe falls off, and has good dust removing capability.

Drawings

FIG. 1 is a schematic view of a prior art suction pulse cleaner.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a diagram showing a state in which the filtering pipe of the present invention is vibrated.

Detailed Description

The utility model is further illustrated with reference to the following figures and examples.

As shown in fig. 2, the negative pressure dust suction device in the dust suction grinder of the utility model comprises a shell 1, the lower end of the shell 1 is connected with a dust discharge port 2, a partition plate 4 for dividing the shell into an upper part and a lower part is arranged in the shell 1, a negative pressure chamber 5 is arranged in the shell 1 above the partition plate, and a dust suction chamber 6 is arranged in the shell 1 below the partition plate 4. The upper part of the side wall of the right side of the shell barrel 1 is connected with an air outlet 7 corresponding to the position of the negative pressure chamber 5, the air outlet is connected with an exhaust fan 12, the lower part of the side wall of the left side of the shell barrel 1 corresponding to the position of the dust collection chamber 6 is connected with a dust inlet 3, and the dust inlet 3 is used for introducing gas with dust into the dust collection chamber 6.

The partition plate 4 is vertically inserted and fixed with a plurality of filter pipes 8, the lower ends of the filter pipes 8 are sealed and penetrate into the dust collection chamber 6, the upper ends of the filter pipes 8 are pipe openings and penetrate into the negative pressure chamber 5, one section of the filter pipe 8 which is positioned in the dust collection chamber 6 and close to the partition plate 4 is arranged as an elastic corrugated pipe 8.1, the pipe wall of the filter pipe 8 below the elastic corrugated pipe 8.1 is provided with filter holes, and the pipe wall of the elastic corrugated pipe 8.1 can be provided with or without the filter holes.

The inside vertical connecting piece that is equipped with respectively of every filter tube 8, this connecting piece is a breather pipe 13, and breather pipe 13 lower extreme seals to breather pipe 13 lower extreme passes through spring 14 and is connected with filter tube 8 lower extreme, and breather pipe 13 upper end is the mouth of pipe, and the mouth of pipe of breather pipe 13 upper end upwards wears out from filter tube 8 upper end mouth of pipe.

The inside of the negative pressure chamber 5 is provided with a connecting plate 15, the top of the machine barrel 1 is fixed with a linear driving mechanism 16, the linear driving mechanism 16 is a hydraulic cylinder, an air cylinder or a linear push rod motor, the moving rod end of the linear driving mechanism is vertically and downwards fixedly connected with the top of the connecting plate 15, and the upper end pipe orifices of the air pipes 13 are respectively fixed at the bottom of the connecting plate 15.

The connecting plate 15 is provided with a ventilation interface 17, and the ventilation interface 17 is respectively communicated with the upper end pipe orifice of each ventilation pipe 13 through an air passage arranged in the connecting plate 15. An air bag 11 as an air source is fixed on the outer wall of the machine barrel 1, and the air bag 11 is connected with an air vent interface 17 through a flexible pipe which can be stretched or elastically stretched.

As shown in fig. 3, when dust is attached to the surface of the filter pipe 8 and dust needs to be removed during dust collection operation, the linear driving mechanism 16 drives the connecting plate 15 and the vent pipes 13 to reciprocate up and down, at this time, the vent pipes 13 drive the filter pipe 8 to vibrate up and down through the springs 14, and the filter pipe 8 has the elastic corrugated pipe 8.1 part, so the filter pipe 8 below the elastic corrugated pipe 8.1 can vibrate up and down, and the dust attached to the surface of the filter pipe can be shaken off. In the process, no gas is introduced into the negative pressure chamber 5 and the filter pipe 8, so that the negative pressure environment is not damaged, and the whole device can continuously work.

When the surface of the filter hole of the filter pipe 8 is adhered with more dust, the air bag 11 can be used for introducing air flow into the vent pipe 13 to blow off the dust adhered to the surface of the filter hole. The blowing off of the air stream can be used as a supplementary means to the mechanical vibration.

The embodiments of the present invention are described only for the preferred embodiments of the present invention, and not for the limitation of the concept and scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the design concept of the present invention shall fall into the protection scope of the present invention, and the technical content of the present invention which is claimed is fully set forth in the claims.

Claims

1. The utility model provides a negative pressure dust extraction in dust absorption rubbing crusher, includes the shell, and the shell lower extreme is connected with the dust exhaust mouth, and the inside baffle that is divided into two parts about separating the shell, the inside negative pressure room that is of shell above the baffle, the inside suction chamber that is of shell below, the shell correspond the negative pressure room position and are connected with the air outlet, and the position that the shell corresponds the suction chamber is connected with into dust mouth, its characterized in that: the baffle is pegged graft and is fixed with a plurality of filter tubes, and the filter tube lower extreme seals and penetrates to the suction chamber, and the filter tube upper end is the mouth of pipe and penetrates the negative pressure chamber, and the filter tube that is located the suction chamber has one section to establish to the elasticity bellows, is equipped with the connecting piece in every filter tube respectively, and the connecting piece lower extreme is connected and is corresponded the filter tube lower extreme, and the connecting piece upper end upwards wears out from the filter tube upper end mouth of pipe, sharp actuating mechanism is installed at shell section of thick bamboo top, and sharp actuating mechanism lies in the partial fixed connection of negative pressure chamber with each connecting piece respectively, by the vertical up-and-down motion of sharp actuating mechanism drive each connecting piece.

2. The negative pressure dust suction device in the dust suction pulverizer as claimed in claim 1, wherein: the lower end of each connecting piece is connected with the lower end of the corresponding filter pipe through a spring.

3. The negative pressure dust suction device in the dust suction pulverizer as claimed in claim 1, wherein: the connecting piece is a vent pipe, the lower end of the vent pipe extending into the filter pipe is closed, the upper end of the vent pipe is a pipe opening, the pipe wall of the vent pipe positioned in the filter pipe below the partition plate is also provided with a vent hole, and the vent pipe is connected with an external air source through the pipe opening at the upper end.

4. The negative pressure dust suction device in the dust suction pulverizer as claimed in claim 1, wherein: the negative pressure chamber is internally provided with a connecting plate, the parts of the connecting pieces in the negative pressure chamber are respectively and fixedly connected with the connecting plate, and the linear driving mechanism is fixedly connected with the connecting pieces through the connecting plate.

5. The negative pressure dust suction device in the dust suction pulverizer as claimed in claim 4, wherein: the connecting plate is provided with a ventilation interface, the upper end pipe orifices of the ventilation pipes are converged and communicated to the ventilation interface, and an external air source is connected with the ventilation interface through a flexible pipe which can be stretched or elastically stretched.