CN218841062U

CN218841062U - Pneumatic conveying device

Info

Publication number: CN218841062U
Application number: CN202223152719.6U
Authority: CN
Inventors: 张书昌; 张晓�; 刘长辉
Original assignee: Shandong Maijinli Environmental Protection Equipment Co ltd
Current assignee: Shandong Maijinli Environmental Protection Equipment Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-04-11
Anticipated expiration: 2032-11-28

Abstract

The utility model relates to the technical field of pneumatic transmission, in particular to a pneumatic transmission device, which comprises a negative pressure air suction area and a positive pressure transmission area, wherein the negative pressure air suction area comprises a three-way air suction pipe; the positive pressure conveying area comprises an air locking pipe, the front end of the air locking pipe is connected with the front positive pressure conveying pipe, the rear end of the air locking pipe is connected with a three-way air suction pipe, and the rear end of the three-way air suction pipe is connected with a hopper above the three-way air suction pipe of the rear positive pressure conveying pipe; the hopper comprises a feed opening, a comb plate is arranged at the center of the feed opening, comb teeth are fixed below the comb plate, and the comb plate is connected with a rotating mechanism. The utility model designs the air locking pipe, which can increase the pressure, thereby improving the air suction efficiency of the three-way air suction pipe and improving the blanking efficiency of the hopper; the feed opening still is located to be equipped with the broach, can break up the powder, and supplementary powder has increased the efficiency of unloading in being inhaled the negative pressure pipeline of breathing in.

Description

Pneumatic conveying device

Technical Field

The utility model relates to a pneumatic conveyor technical field especially relates to a pneumatic conveyor.

Background

The pneumatic conveying is also called as air flow conveying, which is a specific application of fluidization technology, and utilizes the energy of air flow to convey granular materials in the direction of air flow in a closed pipeline. For example, the prior art with application number CN201920346763X discloses a pneumatic dust conveying device, which can convey dust by introducing high-pressure air into a pneumatic conveying pipe, but in actual use, smaller powder is more likely to be agglomerated at a feeding port, and the efficiency of air suction and feeding is reduced.

Based on this, the utility model designs a pneumatic conveyor to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pneumatic conveyor, the powder is in the feed opening caking among the solution prior art, blocks the problem of unloading.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

a pneumatic conveying device comprises a negative pressure air suction area and a positive pressure conveying area, and is characterized in that: the negative pressure air suction area comprises a three-way air suction pipe; the positive pressure conveying area comprises an air locking pipe, the front end of the air locking pipe is connected with a front positive pressure conveying pipe, the rear end of the air locking pipe is connected with a three-way air suction pipe, the rear end of the three-way air suction pipe is connected with a rear positive pressure conveying pipe, and a hopper is connected above the three-way air suction pipe; the hopper includes the feed opening, the positive center of feed opening is equipped with the fishback, the below of fishback is fixed with the broach, the slewing mechanism is connected to the fishback.

The rotating mechanism comprises a transverse gear shaft and a longitudinal gear shaft which are both provided with bevel gears. The transverse gear shaft is rotatably connected with a rotating shaft seat, and the rotating shaft seat is fixed on the upper surface of the hopper; the longitudinal gear shaft is positioned in the center inside the hopper, the bottom end of the longitudinal gear shaft is fixedly connected with the comb plate, and the top end of the longitudinal gear shaft penetrates through the upper surface of the hopper and is meshed with the transverse gear shaft through the bevel gear.

And a top cover is hinged to one side above the hopper.

The other end of the transverse gear shaft is connected with a rotating handle.

The front positive pressure conveying pipe is connected with an air source, and the rear positive pressure conveying pipe is connected with a storage bin.

The utility model discloses following beneficial effect has:

1. the utility model designs the air locking pipe, which can increase the pressure, thereby improving the air suction efficiency of the three-way air suction pipe and improving the blanking efficiency of the hopper;

2. the utility model discloses the feed opening department at the hopper is equipped with the broach, can break up the powder, and supplementary powder has increased the efficiency of unloading in being inhaled the negative pressure suction pipe.

Drawings

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

FIG. 1 is a schematic side view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of the pipeline structure of the present invention;

FIG. 4 is a sectional view of the pipeline structure of the present invention;

fig. 5 is a schematic view of the comb structure of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. locking the air pipe; 101. a first booster ring; 102. a second booster ring; 103. a third booster ring; 2. a flange; 3. a three-way air suction pipe; 401. a front positive pressure delivery pipe; 402. a rear positive pressure conveying pipe; 501. a comb plate; 502. comb teeth; 6. a pipe base; 7. a hopper; 71. a feeding port; 8. a top cover; 9. a longitudinal gear shaft; 10. a bevel gear; 11. a rotating shaft seat; 12. a transverse gear shaft; 13. the handle is rotated.

Detailed Description

In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention, and it should be understood that the terms "upper", "middle", "outer", "inner", "lower", and the like indicate orientations or positional relationships, and are only used for convenience of description of the present invention and simplification of description, but do not indicate or imply that the components or elements indicated must have specific orientations, and thus cannot be construed as limitations of the present invention.

The attached drawings are specific embodiments of the utility model, as shown in fig. 1-5, the utility model designs a pneumatic conveying device by utilizing the venturi principle, which comprises a negative pressure air suction area and a positive pressure conveying area, wherein the negative pressure air suction area comprises a three-way air suction pipe 3; the positive pressure conveying area comprises a gas locking pipe 1, the gas locking pipe 1 is used for increasing the pressure in the pipeline, three continuous booster rings are arranged in the gas locking pipe 1, a first booster ring 101, a second booster ring 102 and a third booster ring 103 are arranged from front to back respectively, and a through hole in the center of each booster ring is gradually reduced to increase the gas pressure in the pipeline, so that the negative pressure of the negative pressure suction area is larger, and the suction efficiency is higher. The front end of the air locking pipe 1 is connected with a front positive pressure conveying pipe 401, the rear end is connected with a three-way air suction pipe 3, the rear end of the three-way air suction pipe 3 is connected with a rear positive pressure conveying pipe 402, and the upper part of the three-way air suction pipe 3 is connected with a hopper 7; hopper 7 includes feed opening 701, and the positive center of feed opening 701 is equipped with fishback 501, and fishback 51 position is higher than feed opening 701, avoids stifled feed opening 701, and the below of fishback 501 is fixed with broach 502, and in broach 502 inserted feed opening 701, rotation mechanism is connected to fishback 501. The rotating mechanism comprises a transverse gear shaft 12 and a longitudinal gear shaft 9, wherein one end of the transverse gear shaft 12 is fixedly provided with a bevel gear 10, the top end of the longitudinal gear shaft 9 is fixedly provided with the bevel gear 10, and the two bevel gears 10 are meshed. The other end of the transverse gear shaft 12 is a crank which is connected with a rotating handle 13 and used for cranking the transverse gear shaft 12. The transverse gear shaft 12 is rotatably connected with a rotating shaft seat 11, and the rotating shaft seat 11 is fixed on the upper surface of the hopper 7; the longitudinal gear shaft 9 is positioned in the center of the interior of the hopper 7, the bottom end of the longitudinal gear shaft 9 is fixedly connected to the center of the top of the comb plate 501, and the top end of the longitudinal gear shaft 9 penetrates through the upper surface of the hopper 7 and is meshed with the transverse gear shaft 12 through the bevel gear 10. When the turning handle 13 is turned, the horizontal gear shaft 12 is turned on the rotation shaft base 1 and drives the longitudinal rotation shaft 9 to rotate through the bevel gear 10, thereby rotating the comb teeth 502. One side of 7 tops of hopper articulates there is top cap 8, and top cap 8 opens and shuts and does not influence slewing mechanism, and top cap 8 opens the back, can add the material in 7 to the hopper. The front positive pressure conveying pipe 401 is connected with an air source and used for sending air, and the rear positive pressure conveying pipe 402 is connected with a storage bin and used for storing materials. A plurality of pipeline bases are arranged below all the pipelines to play a supporting role. In addition, all pipelines of the device are connected by the flange 2.

The method of use of this example is as follows:

the air source is opened, air firstly enters the front positive pressure conveying pipe 401, when passing through the air locking pipe 1, the pressure is increased, and a negative pressure area is formed above the three-way air suction pipe 3, so that materials at the position of the feed opening 701 are continuously sucked into the pipeline and finally enter the storage bin through the rear positive pressure conveying pipe 402. When the feed opening 701 is blocked by materials, the rotating handle 13 is rotated, so that the longitudinal gear shaft 9 drives the comb teeth 502 to rotate, the materials stuck on the wall of the feed opening are scattered by the comb teeth 502, and the materials can be continuously sucked into the pipeline, thereby increasing the efficiency of sucking and discharging.

The preferred embodiments of the present invention have been disclosed in an effort to provide an illustration of the present invention, and they are not intended to be exhaustive or to limit the invention to the precise forms disclosed.

Claims

1. A pneumatic conveying device comprises a negative pressure air suction area and a positive pressure conveying area, and is characterized in that: the negative pressure air suction area comprises a three-way air suction pipe (3); the positive pressure conveying area comprises a gas locking pipe (1), the front end of the gas locking pipe (1) is connected with a front positive pressure conveying pipe (401), the rear end of the gas locking pipe is connected with a three-way gas suction pipe (3), the rear end of the three-way gas suction pipe (3) is connected with a rear positive pressure conveying pipe (402), and a hopper (7) is connected above the three-way gas suction pipe (3); hopper (7) include feed opening (701), the positive center of feed opening (701) is equipped with fishback (501), the below of fishback (501) is fixed with broach (502), slewing mechanism is connected to fishback (501).

2. A pneumatic conveying apparatus according to claim 1, characterised in that: the rotating mechanism comprises a transverse gear shaft (12) and a longitudinal gear shaft (9), and both are provided with bevel gears (10).

3. A pneumatic conveying apparatus according to claim 2, characterised in that: the transverse gear shaft (12) is rotatably connected with a rotating shaft seat (11), and the rotating shaft seat (11) is fixed on the upper surface of the hopper (7); the longitudinal gear shaft (9) is positioned in the center of the interior of the hopper (7), the bottom end of the longitudinal gear shaft is fixedly connected with the comb plate (501), and the top end of the longitudinal gear shaft penetrates through the upper surface of the hopper (7) and is meshed with the transverse gear shaft (12) through the bevel gear (10).

4. A pneumatic conveying apparatus according to claim 1, characterised in that: one side above the hopper (7) is hinged with a top cover (8).

5. A pneumatic conveying apparatus according to claim 2, characterised in that: the other end of the transverse gear shaft (12) is connected with a rotating handle (13).

6. A pneumatic conveying apparatus according to claim 1, characterised in that: the front positive pressure conveying pipe (401) is connected with an air source, and the rear positive pressure conveying pipe (402) is connected with a storage bin.