CN220722790U - Protection device of powder vacuum conveying metering equipment - Google Patents
Protection device of powder vacuum conveying metering equipment Download PDFInfo
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- CN220722790U CN220722790U CN202321920330.3U CN202321920330U CN220722790U CN 220722790 U CN220722790 U CN 220722790U CN 202321920330 U CN202321920330 U CN 202321920330U CN 220722790 U CN220722790 U CN 220722790U
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- vacuum conveying
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- pipe
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- 239000000843 powder Substances 0.000 title claims abstract description 27
- 239000000463 material Substances 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 abstract description 14
- 230000003068 static effect Effects 0.000 abstract description 14
- 239000000428 dust Substances 0.000 abstract description 13
- 238000000034 method Methods 0.000 description 5
- 238000000926 separation method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000003826 tablet Substances 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 vacuum conveying equipment, in particular to a protection device of powder vacuum conveying and metering equipment, which comprises the following components: the device comprises a device table, a bin and a vacuum conveying pump, wherein the vacuum conveying pump is arranged on the device table, the bin is fixed on the device table, a discharge metering valve is arranged at the lower end of the bin, a discharge end of the discharge metering valve is connected with a suction pipe, the suction pipe is connected with the vacuum conveying pump, and one end of the vacuum conveying pump is connected with a conveying pipe. According to the utility model, static electricity in the conveyed powder is neutralized through the ion tuyere during operation, and then the static electricity on the equipment table, the vacuum conveying pump and the storage bin is grounded and discharged by matching with the grounding block, so that potential safety hazards caused by static electricity can be avoided; the negative pressure pipe generates negative pressure during charging, and the dust leaked during charging can be sucked through the reserved holes through the annular wall cavity, so that the dust leakage during charging is reduced.
Description
Technical Field
The utility model relates to the technical field of vacuum conveying equipment, in particular to a protection device of powder vacuum conveying metering equipment.
Background
Powder vacuum transfer metering devices are commonly used in devices for conveying small-grained or powdery materials stored in hoppers by vacuum, for example for pneumatic conveying of powders, granules, dust, tablets. Material sucked from the supply point via, for example, a hand suction tube or a hopper is transported through a warehouse or a pipe and reaches the separation chamber of the vacuum conveyor via the suction opening. There, the suction gas is separated from the material to be fed, which material is collected in a separation vessel and, if desired, a filter is arranged downstream of the suction gas end. The suction gas leaves the separation chamber in the direction of a vacuum pump, which is usually fixedly mounted directly on the upper side of the separation chamber.
The existing powder vacuum conveying metering equipment lacks new protection in installation, when powder is conveyed, corresponding static electricity removing measures are lacking, the danger is easy to occur when static electricity contacts with air of mixed powder, and meanwhile when the powder is added into a storage bin, the powder is easy to leak, and dust is caused.
For this purpose, we propose a protection device for powder vacuum transfer metering equipment to solve the above mentioned problems.
Disclosure of Invention
The utility model aims to provide a protection device of powder vacuum conveying and metering equipment, which aims to solve the problem that vacuum conveying equipment lacks electrostatic protection.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a protective device for a powder vacuum delivery metering device, comprising: the device comprises a device table, a bin and a vacuum conveying pump, wherein the vacuum conveying pump is arranged on the device table, the bin is fixed on the device table, a discharge metering valve is arranged at the lower end of the bin, a discharge end of the discharge metering valve is connected with a suction pipe, the suction pipe is connected with the vacuum conveying pump, and one end of the vacuum conveying pump is connected with a conveying pipe.
Preferably, the ion air nozzle is arranged on the material suction pipe, and the air outlet end of the ion air nozzle is positioned at the inner side of the material suction pipe.
Preferably, the equipment table, the storage bin and the vacuum conveying pump are connected with a grounding block through wires.
Preferably, a stirring motor is arranged on the storage bin.
Preferably, the hopper is arranged on the storage bin, the anti-overflow plate is connected with the symmetrical rotating shaft on the inner side of the hopper, and the spring is arranged between the anti-overflow plate and the hopper.
Preferably, the inner wall of the charging hopper is provided with a circular wall cavity, and the inner wall of the circular wall cavity is symmetrically provided with preformed holes.
Preferably, a negative pressure pipe is connected between the annular wall cavity and the suction pipe, and an electromagnetic valve is arranged on the negative pressure pipe.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, static electricity in the conveyed powder is neutralized when the ion tuyere runs, and then the static electricity on the equipment table, the vacuum conveying pump and the storage bin is grounded and discharged by matching with the grounding block, so that potential safety hazards caused by static electricity can be avoided.
2. According to the utility model, negative pressure generated by the negative pressure pipe during charging can suck the leaked dust during charging through the preformed hole through the annular wall cavity, so that the leakage of the dust during charging is reduced.
Drawings
FIG. 1 is a front view of the overall structure of the present utility model;
FIG. 2 is a cross-sectional view of a hopper of the present utility model;
in the figure: 1 equipment table, 11 grounding blocks, 2 bins, 21 stirring motors, 22 discharge metering valves, 23 hoppers, 231 annular wall cavities, 232 reserved holes, 233 spill-proof plates, 234 springs, 3 vacuum conveying pumps, 31 suction pipes, 32 ion air nozzles, 33 conveying pipes, 4 negative pressure pipes and 41 electromagnetic valves.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 and 2, a protection device for a powder vacuum conveying and metering device in the drawings includes: the equipment platform 1, feed bin 2 and vacuum delivery pump 3, install vacuum delivery pump 3 on the equipment platform 1, feed bin 2 is fixed on equipment platform 1, and feed bin 2 lower extreme is provided with ejection of compact metering valve 22, and the discharge end of ejection of compact metering valve 22 is connected with inhales material pipe 31, and inhale material pipe 31 and connect vacuum delivery pump 3, and the one end of vacuum delivery pump 3 is connected with conveyer pipe 33.
The ion air nozzle 32 is arranged on the material suction pipe 31, and the ion air nozzle 32 can generate a large amount of air mass with positive and negative charges when operated, and the air mass is blown out by compressed air, so that the charges on an object can be neutralized. When the surface of the object is charged with negative charges, the surface of the object attracts positive charges in the air flow, and when the surface of the object is charged with positive charges, the surface of the object attracts negative charges in the air flow, so that static electricity on the surface of the object is neutralized, the purpose of eliminating the static electricity is achieved, and the air outlet end of the ion air nozzle 32 is positioned at the inner side of the suction pipe 31.
The equipment table 1, the storage bin 2 and the vacuum conveying pump 3 are connected with the grounding block 11 through wires, and the grounding block 11 can conduct grounding discharge on static electricity generated on the equipment table 1, the storage bin 2 and the vacuum conveying pump 3 through wires.
The stirring motor 21 is arranged on the storage bin 2, and the stirring motor 21 runs to stir the storage bin 2 to prevent powder from caking and blocking.
Be provided with loading hopper 23 on the feed bin 2, the inboard symmetry pivot of loading hopper 23 is connected with spill plate 233, and when the setting of spill plate 233 can prevent the ejection of compact of feed bin 2, the inside material of feed bin 2 leaks, is provided with spring 234 between spill plate 233 and the loading hopper 23, promotes spill plate 233 through spring 234 and upwards moves the closure, and the atress can be rotated down on the spill plate 233 when loading hopper 23 feeds in with the powder of its surface and downhill discharge into feed bin 2 in the collection of intaking.
The inner wall of the hopper 23 is provided with a circular wall cavity 231, preformed holes 232 are symmetrically formed in the inner wall of the circular wall cavity 231, and the preformed holes 232 are used for sucking dust leaked from the hopper 23 during feeding of the bin 2.
A negative pressure pipe 4 is connected between the annular wall cavity 231 and the suction pipe 31, an electromagnetic valve 41 is arranged on the negative pressure pipe 4, the electromagnetic valve 41 opens the vacuum conveying pump 3 to operate the negative pressure pipe 4 to generate negative pressure, and the annular wall cavity 231 sucks the dust generated during feeding through the reserved hole 232 to prevent the dust from leaking out to cause air quality reduction.
In this embodiment, when the powder vacuum conveying and metering device is used, the vacuum conveying pump 3 is operated to convey powder, meanwhile, the ion tuyere 32 is operated to generate a large amount of air masses with positive and negative charges, static electricity in dust is neutralized and eliminated through government charges, and meanwhile, the grounding block 11 can conduct grounding discharge on static electricity generated on the device table 1, the storage bin 2 and the vacuum conveying pump 3 through wires, so that potential safety hazards caused by static electricity in the dust conveying process can be avoided.
During charging, the electromagnetic valve 41 opens the vacuum conveying pump 3 to operate the negative pressure pipe 4 to generate negative pressure, and the annular wall cavity 231 sucks dust generated during charging through the reserved hole 232 to prevent air quality from being reduced due to dust diffusion during charging.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A protective device for a powder vacuum delivery metering device, comprising:
equipment table (1), feed bin (2) and vacuum delivery pump (3), install vacuum delivery pump (3) on equipment table (1), feed bin (2) are fixed on equipment table (1), feed bin (2) lower extreme is provided with ejection of compact metering valve (22), the discharge end of ejection of compact metering valve (22) is connected with inhales material pipe (31), inhale material pipe (31) and connect vacuum delivery pump (3), the one end of vacuum delivery pump (3) is connected with conveyer pipe (33).
2. The protection device for powder vacuum transfer metering apparatus according to claim 1, wherein: an ion air nozzle (32) is arranged on the suction pipe (31), and the air outlet end of the ion air nozzle (32) is positioned at the inner side of the suction pipe (31).
3. The protection device for powder vacuum transfer metering apparatus according to claim 1, wherein: the equipment table (1), the storage bin (2) and the vacuum conveying pump (3) are connected with a grounding block (11) through wires.
4. The protection device for powder vacuum transfer metering apparatus according to claim 1, wherein: and a stirring motor (21) is arranged on the storage bin (2).
5. The protection device for powder vacuum transfer metering apparatus according to claim 1, wherein: be provided with loading hopper (23) on feed bin (2), loading hopper (23) inboard symmetry pivot is connected with spill plate (233), is provided with spring (234) between spill plate (233) and loading hopper (23).
6. The protection device for powder vacuum transfer metering apparatus according to claim 5, wherein: the inner wall of the charging hopper (23) is provided with a circular wall cavity (231), and preformed holes (232) are symmetrically formed in the inner wall of the circular wall cavity (231).
7. The protection device for powder vacuum transfer metering apparatus according to claim 6, wherein: a negative pressure pipe (4) is connected between the annular wall cavity (231) and the suction pipe (31), and an electromagnetic valve (41) is arranged on the negative pressure pipe (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321920330.3U CN220722790U (en) | 2023-07-20 | 2023-07-20 | Protection device of powder vacuum conveying metering equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321920330.3U CN220722790U (en) | 2023-07-20 | 2023-07-20 | Protection device of powder vacuum conveying metering equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220722790U true CN220722790U (en) | 2024-04-05 |
Family
ID=90484991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321920330.3U Active CN220722790U (en) | 2023-07-20 | 2023-07-20 | Protection device of powder vacuum conveying metering equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220722790U (en) |
-
2023
- 2023-07-20 CN CN202321920330.3U patent/CN220722790U/en active Active
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