CN220282319U - Hollow gear type quantitative powder feeding device - Google Patents
Hollow gear type quantitative powder feeding device Download PDFInfo
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- CN220282319U CN220282319U CN202321449558.9U CN202321449558U CN220282319U CN 220282319 U CN220282319 U CN 220282319U CN 202321449558 U CN202321449558 U CN 202321449558U CN 220282319 U CN220282319 U CN 220282319U
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- powder
- gear assembly
- feeding device
- gear
- powder feeding
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- 239000000843 powder Substances 0.000 title claims abstract description 109
- 238000007664 blowing Methods 0.000 claims abstract description 8
- 230000003031 feeding effect Effects 0.000 abstract description 4
- 239000000428 dust Substances 0.000 description 35
- 238000004880 explosion Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000001629 suppression Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003449 preventive effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000013022 venting Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The utility model relates to the technical field of industrial powder feeding, in particular to a hollow gear type quantitative powder feeding device, which comprises a charging basket, a powder falling bin arranged at the bottom end of the charging basket, and a powder outlet pipe arranged at the lower end of the powder falling bin, wherein the charging basket, the powder falling bin and the powder outlet pipe are respectively communicated, and the powder feeding device also comprises a gear assembly rotationally arranged in the powder falling bin and a driving piece for driving the gear assembly to rotate; the gear assembly is rotationally arranged in the powder falling bin, the gear assembly is of a hollow structure, and a plurality of air blowing holes communicated with the inside of the gear assembly are formed in the side wall of the gear assembly; the one end that the gear assembly kept away from the driving piece still is connected with rotary joint, rotary joint is used for external air supply. The utility model aims to provide a hollow gear type quantitative powder feeding device, which has better powder feeding effect through the design of a hollow gear.
Description
Technical Field
The utility model relates to the technical field of industrial powder feeding, in particular to a hollow gear type quantitative powder feeding device.
Background
The industrial dust has the risk of explosion in the concentrated collection treatment process, the common explosion-proof technology comprises explosion suppression, explosion venting, explosion suppression, inerting and the like, the solid inerting refers to adding inert dust into the combustible dust to prevent explosion, and the inerting is a preventive measure and belongs to an intrinsic safety method. Quantitative and stable feeding of inert dust into a dust collector is a precondition for ensuring inerting effectiveness, and an inert dust conveying device usually uses a screw to finish dust conveying, but in actual use, the problem of unstable powder feeding and powder feeding interruption often occurs in the screw-based dust conveying device, because the inert dust has viscosity, and arch bridging is easy to occur at the bottom of a charging basket. In addition, dust is easily accumulated around the screw to cause clogging.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the utility model aims to provide the hollow gear type quantitative powder feeding device, and the powder feeding effect is better through the design of the hollow gear.
The utility model is realized by the following technical scheme:
the hollow gear type quantitative powder feeding device comprises a charging basket, a powder falling bin arranged at the bottom end of the charging basket, and a powder outlet pipe arranged at the lower end of the powder falling bin, wherein the charging basket, the powder falling bin and the powder outlet pipe are respectively communicated, and the powder feeding device further comprises a gear assembly and a driving piece, wherein the gear assembly is rotatably arranged in the powder falling bin, and the driving piece is used for driving the gear assembly to rotate; the gear assembly is rotationally arranged in the powder falling bin, the gear assembly is of a hollow structure, and a plurality of air blowing holes communicated with the inside of the gear assembly are formed in the side wall of the gear assembly; the one end that the gear assembly kept away from the driving piece still is connected with rotary joint, rotary joint is used for external air supply.
Two opposite limiting tables are respectively arranged on two side walls of the powder falling bin in a protruding mode, and grooves corresponding to the gear components are formed in one ends, close to each other, of the limiting tables; the two limiting tables are arranged at intervals to form a powder falling cavity, and the gear set is arranged in the powder falling cavity.
Wherein, the upper end of spacing platform is provided with the inclined plane toward the middle part direction slope in powder storehouse that falls.
The other two side walls of the powder falling bin are respectively provided with a powder baffle in a protruding mode, and two sides of the powder baffle are respectively connected to the upper end of the powder falling cavity.
Wherein the driving piece is a servo motor.
Wherein the plurality of blow holes are uniformly distributed among teeth of the gear assembly.
The utility model has the beneficial effects that:
according to the hollow gear type quantitative powder feeding device, the gear assembly is arranged in the powder falling bin, and the driving piece drives the gear assembly in a rotating way, and meanwhile, an external air source can intermittently introduce compressed air into the gear assembly, so that the gear assembly intermittently breaks arches of dust at the lower end of the charging basket; in addition, the compressed gas is introduced into the gear assembly, and meanwhile, compact dust attached between adjacent teeth can be blown away, so that the dust can stably and continuously fall down, and after the dust falls down to the powder outlet pipe, the dust is sucked away by an external dust collector, and powder feeding is completed. Compared with the prior art, the utility model can realize accurate and quantitative powder falling and has better powder feeding effect.
Drawings
The utility model will be further described with reference to the accompanying drawings, in which embodiments do not constitute any limitation of the utility model, and other drawings can be obtained by one of ordinary skill in the art without inventive effort from the following drawings.
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a cross-sectional view of the present utility model.
Fig. 3 is a cross-sectional view of the internal structure of the present utility model.
Reference numerals
The device comprises a charging basket-100, a powder outlet pipe-101, a driving piece-102, a frame-103, a powder falling bin-104, a vibrator-105, a cover plate-106, a limit table-107, a groove-108, a powder falling cavity-109, an inclined plane-110, a powder baffle-111, a rotary joint-112,
gear assembly-200, teeth-201, blow holes-202.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model.
The industrial dust has the risk of explosion in the concentrated collection treatment process, the common explosion-proof technology comprises explosion suppression, explosion venting, explosion suppression, inerting and the like, the solid inerting refers to adding inert dust into the combustible dust to prevent explosion, and the inerting is a preventive measure and belongs to an intrinsic safety method. Quantitative and stable feeding of inert dust into a dust collector is a precondition for ensuring inerting effectiveness, and an inert dust conveying device usually uses a screw to finish dust conveying, but in actual use, the problem of unstable powder feeding and powder feeding interruption often occurs in the screw-based dust conveying device, because the inert dust has viscosity, and arch bridging is easy to occur at the bottom of a charging basket. In addition, dust is easily accumulated around the screw to cause clogging.
In order to solve the above problems, the present embodiment discloses a hollow gear type quantitative powder feeding device, the structure of which is shown in fig. 1 to 3, the powder feeding device comprises a charging basket 100, a powder falling bin 104 arranged at the bottom end of the charging basket 100, and a powder discharging pipe 101 arranged at the lower end of the powder falling bin 104, wherein the charging basket 100, the powder falling bin 104 and the powder discharging pipe 101 are respectively communicated, the powder feeding device further comprises a gear assembly 200 rotatably arranged in the powder falling bin 104, and a driving member 102 for driving the gear assembly 200 to rotate; the gear assembly 200 is rotatably arranged in the powder falling bin 104, the gear assembly 200 is of a hollow structure, and a plurality of air blowing holes 202 communicated with the inside of the gear assembly 200 are formed in the side wall of the gear assembly 200; the end of the gear assembly 200 away from the driving member 102 is further connected with a rotary joint 112, and the rotary joint 112 is used for externally connecting an air source.
In this embodiment, the material barrel 100 is of a funnel-shaped structure, the material barrel 100, the powder falling bin 104 and the powder outlet pipe 101 are all arranged in the frame 103, the upper end of the material barrel 100 protrudes out of the upper end of the frame 103, the powder falling bin 104 is positioned in the frame 103, one half of the powder outlet pipe 101 is positioned in the frame 103, and the other half protrudes out of the frame 103; a cover plate 106 is rotatably connected to the upper end of the charging basket 100, so that powder can be conveniently poured into the charging basket 100; the lower end of the charging basket 100 is of a conical structure, and the smaller end of the charging basket 100 is connected with the powder falling bin 104; the vibrator 105 is arranged on the outer side wall of the lower end of the charging basket 100, the vibrator 105 can be started at certain intervals, the charging basket 100 is vibrated by the vibrator 105, so that a cavity formed in the charging basket 100 can be collapsed rapidly in an earthquake, and the vibrator 105 can adopt the GT pneumatic runner vibrator 105.
Further, two opposite limiting tables 107 are respectively arranged on two side walls of the powder falling bin 104 in a protruding mode, and a groove 108 corresponding to the gear assembly 200 is formed in one end, close to each other, of each limiting table 107; the two limiting tables 107 are arranged at intervals to form a powder falling cavity 109, and the gear assembly 200 is arranged in the powder falling cavity 109.
Further, an inclined plane 110 is obliquely arranged at the upper end of the limiting table 107 toward the middle of the powder falling bin 104, so that the inclined plane 110 of the powder falling bin 104.
Through setting up spacing platform 107 and inclined plane 110 for from the dust of storage bucket 100 falling into powder storehouse 104 to fall powder chamber 109 gathering, promote the collection efficiency of dust.
In addition, the other two side walls of the powder falling bin 104 are respectively provided with a powder baffle 111 in a protruding manner, two sides of the powder baffle 111 are respectively connected to the upper end of the powder falling cavity 109, and the powder baffle 111 can prevent dust from falling into the connection part between the driving member 102 and the gear assembly 200.
In actual use, the driving member 102 is connected with the gear assembly 200 through a coupling, preferably, the driving member 102 is a servo motor; the plurality of air blowing holes 202 are arranged between the adjacent teeth 201 and are uniformly distributed. The other end of the gear assembly 200 is connected with an external air source through a rotary joint 112, as can be seen from fig. 2 and 3, the gear assembly 200 is located in the powder falling cavity 109, the material barrel 100 is located above the gear assembly 200, the powder outlet pipe 101 is located below the gear assembly 200, the structure of the powder falling bin 104 enables one quarter of the gear assembly 200 to be always exposed to the lower end of the material barrel 100, and the other quarter of the gear assembly is exposed to the powder outlet pipe 101, and the powder outlet pipe 101 is externally connected with a dust collector. When the servo motor drives the gear assembly 200 to rotate for one quarter turn, the air source intermittently introduces compressed air to perform back blowing for a short time, and the arch bridge at the lower end of the charging basket 100 can be damaged by the back blowing action of the compressed air, so that dust falls into the gear assembly 200 and then is brought to the lower end of the gear assembly 200 and falls into the powder outlet pipe 101 under the action of gravity; in addition, compressed gas can also blow off dense dust attached between adjacent teeth 201 after coming out of the gas blowing holes 202, so that the dust can stably and continuously fall, and after falling to the powder outlet pipe 101, the dust is sucked away by an external dust collector to finish powder feeding, and the intermittent arch breaking effect is better and the powder feeding effect is better; by adjusting the rotational speed of the gear assembly 200, accurate and quantitative powder falling can also be realized.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.
Claims (6)
1. The utility model provides a cavity gear formula ration powder feeding device, includes the storage bucket, sets up in the powder storehouse that falls of storage bucket bottom and sets up in the play powder pipe of powder storehouse lower extreme, storage bucket, powder storehouse and play powder pipe communicate, its characterized in that respectively: the powder feeding device further comprises a gear assembly rotatably arranged in the powder falling bin and a driving piece for driving the gear assembly to rotate;
the gear assembly is rotationally arranged in the powder falling bin, the gear assembly is of a hollow structure, and a plurality of air blowing holes communicated with the inside of the gear assembly are formed in the side wall of the gear assembly;
the one end that the gear assembly kept away from the driving piece still is connected with rotary joint, rotary joint is used for external air supply.
2. The hollow gear type quantitative powder feeding device according to claim 1, wherein: two opposite limiting tables are respectively arranged on two side walls of the powder falling bin in a protruding mode, and grooves corresponding to the gear components are formed in one ends, close to each other, of the limiting tables;
the two limiting tables are arranged at intervals to form a powder falling cavity, and the gear set is arranged in the powder falling cavity.
3. The hollow gear type quantitative powder feeding device according to claim 2, wherein: the upper end of the limiting table is obliquely provided with an inclined plane towards the middle of the powder falling bin.
4. The hollow gear type quantitative powder feeding device according to claim 2, wherein: the other two side walls of the powder falling bin are respectively provided with a powder baffle in a protruding mode, and two sides of the powder baffle are respectively connected to the upper end of the powder falling cavity.
5. The hollow gear type quantitative powder feeding device according to claim 1, wherein: the driving piece is a servo motor.
6. The hollow gear type quantitative powder feeding device according to claim 1, wherein: the plurality of blow holes are uniformly distributed among teeth of the gear assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321449558.9U CN220282319U (en) | 2023-06-07 | 2023-06-07 | Hollow gear type quantitative powder feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321449558.9U CN220282319U (en) | 2023-06-07 | 2023-06-07 | Hollow gear type quantitative powder feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220282319U true CN220282319U (en) | 2024-01-02 |
Family
ID=89340336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321449558.9U Active CN220282319U (en) | 2023-06-07 | 2023-06-07 | Hollow gear type quantitative powder feeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220282319U (en) |
-
2023
- 2023-06-07 CN CN202321449558.9U patent/CN220282319U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240705 Address after: 510663 No.9, Keke Road, Huangpu District, Guangzhou City, Guangdong Province Patentee after: Guangzhou Special Equipment Testing and Research Institute (Guangzhou Special Equipment Accident Investigation Technology Center Guangzhou Elevator Safety Operation Monitoring Center) Country or region after: China Address before: 6 / F, Liurong building, 65 Liurong Road, Guangzhou, Guangdong 510180 Patentee before: GUANGZHOU ACADEMY OF SPECIAL EQUIPMENT INSPECTION & TESTING Country or region before: China |
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| TR01 | Transfer of patent right |