CN215797075U

CN215797075U - Pneumatic conveying device

Info

Publication number: CN215797075U
Application number: CN202120893997.3U
Authority: CN
Inventors: 李治南
Original assignee: Shenzhen Jiamao Pneumatic Equipment Co ltd
Current assignee: Shenzhen Jiamao Pneumatic Equipment Co ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2022-02-11
Anticipated expiration: 2031-04-27

Abstract

The embodiment of the utility model provides a pneumatic conveying device which comprises a shell, an upper cover, a valve core and a pneumatic connector, wherein a cavity with two open ends is formed in the shell, a feeding hole is formed in the lower end of the cavity, the valve core is arranged at the upper end of the cavity in a sealing mode, the upper cover is covered above the shell in a sealing mode, a pipeline is connected to the upper end of the upper cover, a discharging channel is formed in the upper cover in a penetrating mode, a gas storage cavity is formed between the outer peripheral surface of the valve core and the inner wall of the shell at intervals, the pneumatic connector is arranged on one side of the shell, the pneumatic connector is communicated with the gas storage cavity, a plurality of through holes communicated with the gas storage cavity and the discharging channel are uniformly formed in the upper end of the valve core, the feeding hole is communicated with the discharging channel through the valve core, and a plurality of spiral teeth are arranged on the outer wall surface of the valve core along the circumferential direction. The utility model has the advantages of small volume, simple structure, reasonable design, convenient installation, long service life and higher cost performance.

Description

Pneumatic conveying device

Technical Field

The utility model belongs to the technical field of pneumatic devices, and particularly relates to a pneumatic conveying device.

Background

Traditional material conveyer uses the motor as the drive, relies on suction to inhale the granule to the filter screen mouth, again through gravity fall into the charging cylinder in, so the preparation is complicated, and the cost is high, and the energy consumption is big, still needs often to wash the filter screen.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the embodiment of the utility model is to provide a pneumatic conveying device which has the advantages of small volume, simple structure, reasonable design, convenience in installation, long service life and higher cost performance, and the filter screen is prevented from being cleaned frequently.

The embodiment of the utility model is realized in such a way that the pneumatic conveying device comprises a shell, an upper cover, a valve core and a pneumatic connector, the shell is internally provided with a cavity with two open ends, the lower end of the cavity is provided with a feed inlet, the valve core is hermetically arranged at the upper end of the cavity, the upper cover is covered on the shell in a sealing way, the upper end of the upper cover is connected with a pipeline, a discharging channel is arranged on the upper cover in a penetrating way, the peripheral surface of the valve core and the inner wall of the shell form an air storage cavity at intervals, the pneumatic connector is arranged on one side of the shell, the pneumatic connector is communicated with the gas storage cavity, the upper end of the valve core is uniformly provided with a plurality of through holes which are communicated with the gas storage cavity and the discharge channel, the feed inlet is communicated with the discharge channel through the valve core, and a plurality of spiral teeth are arranged on the outer wall surface of the valve core along the circumferential direction.

Further, the through-hole is inclined in a direction forming an angle with the vertical direction.

Further, the distance between any two adjacent teeth is equal.

Further, the width of the teeth is gradually reduced from the end far away from the feed port to the end close to the feed port.

Further, the cross section of the tooth is triangular.

Further, the feed inlet is trumpet-shaped.

Further, the pneumatic conveying device also comprises upright columns which are uniformly arranged at the bottom of the shell.

Further, the number of the upright posts is three.

Compared with the prior art, the embodiment of the utility model has the advantages that: according to the pneumatic conveying device, air is supplied through the pneumatic connector, air in the valve core is discharged through the through hole, a vacuum phenomenon occurs at the moment, the lower material is easily sucked into the shell from the feeding hole and discharged from the upper cover, the upper end of the upper cover is connected with the pipeline, the material can be conveyed to a certain height, a pneumatic conveying task is completed, the pneumatic conveying device is small in size, simple in structure, reasonable in design, convenient to install, long in service life, high in cost performance, wide in applicable range, capable of conveying plastic particles, various grain particles, liquid and the like, and the filter screen is prevented from being cleaned frequently; and because the outer wall of case is provided with a plurality of along circumference and is the heliciform tooth, consequently can carry out the rectification to the gas in the gas storage chamber for gaseous streamline direction is clear, increases air current intensity, makes the vacuum take place for a short time, and intensity is bigger.

Drawings

FIG. 1 is a schematic sectional view of a pneumatic conveying device provided by an embodiment of the utility model;

fig. 2 is a schematic view of the valve cartridge of fig. 1.

In the drawings, each reference numeral denotes:

10. a housing; 20. an upper cover; 30. a valve core; 40. a pneumatic joint; 11. a feed inlet; 21. a discharge channel; 50. a gas storage cavity; 31. a through hole; 32. teeth; 60. and (4) a column.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

As shown in fig. 1 to 2, a pneumatic conveying apparatus according to an embodiment of the present invention includes a housing 10, an upper cover 20, case 30 and pneumatic connector 40, the inside both ends open-ended cavity that has of casing 10, the cavity lower extreme forms feed inlet 11, case 30 is sealed to be set up in the cavity upper end, the sealed shroud of upper cover 20 is in casing 10 top, the upper cover 20 top is connected with the pipeline, upper cover 20 runs through and has seted up discharging channel 21, the outer peripheral face of case 30 and the inner wall interval of casing 10 form a gas storage chamber 50, pneumatic connector 40 sets up in casing 10 one side, pneumatic connector 40 and gas storage chamber 50 intercommunication, the through-hole 31 of a plurality of intercommunication gas storage chamber 50 and discharging channel 21 is evenly seted up to case 30 upper end, feed inlet 11 is linked together with discharging channel 21 through case 30, the outer wall of case 30 is provided with a plurality of along circumference and is spiral helicine tooth 32.

According to the pneumatic conveying device, air is supplied through the pneumatic connector 40, air in the valve core 30 is discharged through the through hole 31, at the moment, a vacuum phenomenon occurs, the lower material is easily sucked into the shell 10 from the feeding hole 11 and is discharged from the upper cover 20, the upper end of the upper cover 20 is connected with a pipeline, the material can be fed to a certain height, and a pneumatic conveying task is completed; and because the outer wall of case 30 is provided with a plurality of along the circumference and is spiral helicine tooth 32, consequently can carry out the rectification to the gas in the gas storage chamber 50 for the streamline direction of gas is clear, increases the air current intensity, makes the vacuum take place for a short time, and intensity is bigger.

Specifically, the distance between any two adjacent teeth 32 is equal, so that the rectification effect of the airflow is further improved. In this embodiment, the width of each tooth 32 gradually decreases from the end far away from the feed port 11 to the end near the feed port 11, and the width of each flow guide groove formed between two adjacent teeth 32 gradually decreases from bottom to top. The cross-sectional shape of the tooth 32 in this embodiment is triangular, and in other possible embodiments, the cross-sectional shape of the tooth 32 may also be square, circular arc, or other shapes, and the cross-sectional shape of the tooth 32 is not limited in this embodiment.

In the present embodiment, the through hole 31 is inclined in a direction forming an angle with the vertical direction, so that the gas of the gas storage chamber 50 can more easily pass through. In addition, the feed inlet 11 is trumpet-shaped, that is, the inner diameter of the feed inlet 11 gradually increases from top to bottom, so that the material below is more easily sucked into the shell 10.

The pneumatic conveying apparatus of the present embodiment further includes columns 60, and the columns 60 are uniformly arranged at the bottom of the casing 10. Alternatively, the number of the pillars 60 is three. Of course, the number of the pillars 60 may be four, five, six or more, which is not limited in the embodiment.

In summary, the pneumatic conveying device of the utility model supplies air through the pneumatic connector 40, the air in the valve core 30 is discharged through the through hole 31, at this time, a vacuum phenomenon occurs, the lower material is easily sucked into the shell 10 from the feed port 11 and discharged from the upper cover 20, the upper end of the upper cover 20 is connected with a pipeline, the material can be fed into a certain height to complete the pneumatic conveying task, the volume is small, the structure is simple, the design is reasonable, the installation is convenient, the service life is long, the cost performance is high, the filter screen is prevented from being cleaned frequently, the applicable range is wide, and plastic particles, various grain particles, liquid and the like can be conveyed; and because the outer wall of case 30 is provided with a plurality of along the circumference and is spiral helicine tooth 32, consequently can carry out the rectification to the gas in the gas storage chamber 50 for the streamline direction of gas is clear, increases the air current intensity, makes the vacuum take place for a short time, and intensity is bigger.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The pneumatic conveying device is characterized by comprising a shell (10), an upper cover (20), a valve core (30) and a pneumatic connector (40), wherein a cavity with two open ends is formed in the shell (10), a feed inlet (11) is formed at the lower end of the cavity, the valve core (30) is arranged at the upper end of the cavity in a sealing manner, the upper cover (20) covers the shell (10) in a sealing manner, a pipeline is connected to the upper end of the upper cover (20), a discharge passage (21) is formed in the upper cover (20) in a penetrating manner, a gas storage cavity (50) is formed between the outer peripheral surface of the valve core (30) and the inner wall of the shell (10) at an interval, the pneumatic connector (40) is arranged on one side of the shell (10), the pneumatic connector (40) is communicated with the gas storage cavity (50), and a plurality of through holes (31) communicated with the gas storage cavity (50) and the discharge passage (21) are uniformly formed in the upper end of the valve core (30), the feeding hole (11) is communicated with the discharging channel (21) through the valve core (30), and a plurality of spiral teeth (32) are arranged on the outer wall surface of the valve core (30) along the circumferential direction.

2. Pneumatic conveying device according to claim 1, characterised in that the through-hole (31) is inclined at an angle to the vertical.

3. Pneumatic conveying device according to claim 1, characterized in that the distance between any two adjacent teeth (32) is equal.

4. The pneumatic conveying apparatus according to claim 1, wherein the width of the teeth (32) is gradually reduced from the end away from the feed port (11) toward the end close to the feed port (11).

5. The pneumatic conveying apparatus according to claim 1, wherein the teeth (32) have a triangular cross-sectional shape.

6. A pneumatic conveying device according to claim 1, characterised in that the feed opening (11) is trumpet-shaped.

7. The pneumatic conveying apparatus according to claim 1, further comprising a post (60), wherein the post (60) is uniformly disposed at the bottom of the housing (10).

8. Pneumatic conveying device according to claim 7, characterized in that the number of uprights (60) is three.