CN212711691U - Vacuum material suction port for negative pressure pneumatic conveying device - Google Patents
Vacuum material suction port for negative pressure pneumatic conveying device Download PDFInfo
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- CN212711691U CN212711691U CN202021510171.6U CN202021510171U CN212711691U CN 212711691 U CN212711691 U CN 212711691U CN 202021510171 U CN202021510171 U CN 202021510171U CN 212711691 U CN212711691 U CN 212711691U
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- rotating shaft
- shell
- negative pressure
- pressure pneumatic
- conveying device
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Abstract
The utility model discloses a material mouth is inhaled in vacuum for negative pressure pneumatic conveyor, including casing and pivot, be equipped with feed inlet and discharge gate on the casing, its characterized in that: the feeding hole is formed in the top of the shell, the discharging hole is formed in the side wall of the bottom of the shell, and the caliber of the feeding hole is larger than that of the discharging hole; one end of the rotating shaft is connected with a driving device, the other end of the rotating shaft penetrates through the bottom of the shell and extends out of the feed port, an upper blade is arranged on the rotating shaft outside the feed port, and a conveying assembly used for conveying materials to the discharge port is arranged on the rotating shaft at the discharge port; the inner wall of the shell is provided with a lower blade, and the lower blade is positioned between the upper blade and the conveying assembly. The utility model discloses increased the radiation scope of thin material mouth, and broken large granule material, made it not block up and inhaled the material mouth.
Description
Technical Field
The utility model belongs to negative pressure pneumatic conveyor field, concretely relates to material mouth is inhaled in vacuum for negative pressure pneumatic conveyor.
Background
The negative pressure pneumatic conveying device is a conveying system which utilizes a negative pressure fan (vacuum pump) to generate system negative pressure and pumps powder materials to a material storage device through a pipeline. The material mouthful is inhaled in vacuum is the first device of negative pressure pneumatic conveyor and powder contact, and at present, the material mouthful is inhaled in common vacuum is the structure that most are the big ejection of compact of feed inlet little, and such structure makes material mouthful department frequently takes place to block up is inhaled in the vacuum, and the powder exposes in the air, combines to produce the caking very easily with the moisture in the air, and the caking can't pass the discharge gate just to block up and inhale material mouthful department in the vacuum, and then takes place blocking phenomenon.
Disclosure of Invention
An object of the utility model is to provide a material mouth is inhaled in vacuum for negative pressure pneumatic conveyor, this material mouth is inhaled in vacuum can be to the powder further processing, makes the powder of caking smash through the discharge gate, reduces blocking phenomenon.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a material mouth is inhaled in vacuum for negative pressure pneumatic conveyor, includes casing and pivot, be equipped with feed inlet and discharge gate on the casing, its characterized in that: the feeding hole is formed in the top of the shell, the discharging hole is formed in the side wall of the bottom of the shell, and the caliber of the feeding hole is larger than that of the discharging hole;
one end of the rotating shaft is connected with a driving device, the other end of the rotating shaft penetrates through the bottom of the shell and extends out of the feed port, an upper blade is arranged on the rotating shaft outside the feed port, and a conveying assembly used for conveying materials to the discharge port is arranged on the rotating shaft at the discharge port; the inner wall of the shell is provided with a lower blade, and the lower blade is positioned between the upper blade and the conveying assembly.
Further, the conveying assembly comprises a supporting frame vertically installed on the rotating shaft and a plurality of rake installed on the supporting frame.
Further, the driving device comprises a motor, and an output shaft of the motor is connected with the rotating shaft.
Furthermore, an output shaft of the motor is connected with a steering gear, and the steering gear is connected with the main shaft.
Furthermore, one surface of the upper blade, which is close to the lower blade, is provided with spiral line raised grinding strips.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the upper blade on the main shaft and the lower blade on the shell grind large powder through rotary extrusion, so that the powder with larger volume is crushed and can smoothly enter the negative pressure pneumatic conveying device through the discharge port;
(2) the conveying assembly (rake) on the main shaft conveys the powder far away from the discharge port to the discharge port, so that the powder accumulation phenomenon far away from the discharge port is reduced;
(3) and large-particle materials are crushed, so that the material suction port is not blocked.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The labels in the figure are: 10. a housing; 11. a feed inlet; 12. a discharge port; 13. a lower blade; 20. a rotating shaft; 21. an upper blade; 22. a delivery assembly; 23. a motor; 24. a steering gear.
Detailed Description
As shown in fig. 1, the vacuum material sucking port for the negative pressure pneumatic conveying device provided in this embodiment can crush large powder, so as to reduce the blockage of the material sucking port caused by large powder, and at the same time, can rake the powder far from the material discharging port 12 to the material discharging port 12, so as to reduce the blockage of the material sucking port caused by powder accumulation.
The vacuum material sucking port comprises a shell 10 and a rotating shaft 20, wherein the shell 10 is provided with a feeding port 11 and a discharging port 12, the caliber of the feeding port 11 is large, the caliber of the discharging port 12 is small, and the caliber of the feeding port and the discharging port 12 is consistent with the caliber of the feeding port and the discharging port 12 of the existing vacuum material discharging port, the feeding port 11 and the top of the shell 10 are arranged, and the discharging port 12 is arranged on the side wall of the bottom of the shell 10 and is level with the bottom.
One end of the rotating shaft 20 is connected with a driving device, the other end of the rotating shaft passes through the bottom of the shell 10 and extends out of the feed port 11, an upper blade 21 is arranged on the rotating shaft 20 positioned outside the feed port 11, a certain gap is arranged between the bottom surface of the upper blade 21 and the feed port 11, powder can enter the suction port through the gap, at the same time, for stopping the powder with extra large size, the inner wall of the shell 10 at the feed inlet 11 is provided with a lower blade 13, the powder with larger volume is crushed into powder with small volume between the upper blade 21 and the lower blade 13, so that the grinding strip with spiral line protrusions can pass through the discharge port 12, the bottom surface of the upper blade 21 is processed with grinding strips with spiral line protrusions, the principle of the device is similar to that of a stone mill, the friction force between a large-size material and an upper blade 21 can be increased, the powder is rapidly crushed, and a conveying assembly 22 for conveying the material to a discharge hole 12 is arranged on a rotating shaft 20 at the discharge hole 12; the conveying assembly 22 comprises a support frame vertically installed on the rotating shaft 20 and rake bodies which are uniformly distributed and installed on the support frame, the rotating shaft 20 drives the conveying assembly 22 to rotate, and then the material far away from the discharge hole 12 is raked to the discharge hole 12, and the principle of the conveying assembly is similar to that of the rake bodies.
The driving device comprises a motor 23, the motor 23 is connected with a power supply to provide rotating force to rotate the rotating shaft 20, in order to control the motor 23, the motor 23 is arranged on one side of the shell 10, and a steering gear 24 is connected with the motor 23 to change the transverse rotation into vertical rotation, namely the motor 23 is connected with the steering gear 24, and the steering gear is connected with the rotating shaft 20.
When the powder storage device is used, a discharge hole of the powder storage device is communicated with the feed inlet 11, the discharge hole 12 is connected with the negative-pressure pneumatic conveying device, the motor 23 and the negative-pressure pneumatic conveying device are opened, the negative-pressure pneumatic conveying device generates suction to suck powder into the suction hole, the motor 23 drives the rotating shaft 20 to rotate, the rotating shaft 20 drives the upper blade 21 and the conveying assembly 22 to rotate, the upper blade 21 and the lower blade 13 extrude and grind the powder with large volume into powder with small volume, the conveying assembly 22 (rake) rakes the powder far away from the discharge hole 12 in the shell 10 to the discharge hole 12, and the powder enters the negative-pressure pneumatic conveying device under the action of the suction of the negative-pressure pneumatic conveying device.
The above is only the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any modification and replacement based on the technical solution and the utility model should be covered in the protection scope of the present invention.
Claims (5)
1. The utility model provides a material mouth is inhaled in vacuum for negative pressure pneumatic conveyor, includes casing (10), be equipped with feed inlet (11) and discharge gate (12) on casing (10), its characterized in that: the feeding hole (11) is formed in the top of the shell (10), the discharging hole (12) is formed in the side wall of the bottom of the shell (10), and the caliber of the feeding hole (11) is larger than that of the discharging hole (12);
the material conveying device is characterized by further comprising a rotating shaft (20), one end of the rotating shaft (20) is connected with a driving device, the other end of the rotating shaft penetrates through the bottom of the shell (10) and extends out of the feeding hole (11), an upper blade (21) is arranged on the rotating shaft (20) located outside the feeding hole (11), and a conveying assembly (22) used for conveying materials to the discharging hole (12) is arranged on the rotating shaft (20) located at the discharging hole (12); the inner wall of the shell (10) is provided with a lower blade (13), and the lower blade (13) is positioned between the upper blade (21) and the conveying assembly (22).
2. The vacuum material sucking port for the negative pressure pneumatic conveying device according to claim 1, characterized in that: the conveying assembly (22) comprises a supporting frame vertically arranged on the rotating shaft (20) and a plurality of rake bodies arranged on the supporting frame.
3. The vacuum material sucking port for the negative pressure pneumatic conveying device according to claim 1, characterized in that: the driving device comprises a motor (23), and an output shaft of the motor (23) is connected with the rotating shaft (20).
4. The vacuum material sucking port for the negative pressure pneumatic conveying device according to claim 3, characterized in that: an output shaft of the motor (23) is connected with a steering gear (24), and the steering gear (24) is connected with the main shaft.
5. The vacuum material sucking port for the negative pressure pneumatic conveying device according to claim 1, characterized in that: and one surface of the upper blade (21) close to the lower blade (13) is provided with spiral line convex grinding strips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021510171.6U CN212711691U (en) | 2020-07-24 | 2020-07-24 | Vacuum material suction port for negative pressure pneumatic conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021510171.6U CN212711691U (en) | 2020-07-24 | 2020-07-24 | Vacuum material suction port for negative pressure pneumatic conveying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212711691U true CN212711691U (en) | 2021-03-16 |
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ID=74909876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021510171.6U Active CN212711691U (en) | 2020-07-24 | 2020-07-24 | Vacuum material suction port for negative pressure pneumatic conveying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212711691U (en) |
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2020
- 2020-07-24 CN CN202021510171.6U patent/CN212711691U/en active Active
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