CN216812310U - Vacuum pump dust pelletizing system - Google Patents
Vacuum pump dust pelletizing system Download PDFInfo
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- CN216812310U CN216812310U CN202220140613.5U CN202220140613U CN216812310U CN 216812310 U CN216812310 U CN 216812310U CN 202220140613 U CN202220140613 U CN 202220140613U CN 216812310 U CN216812310 U CN 216812310U
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Abstract
The utility model relates to the field of vacuum pumps, in particular to a vacuum pump dust removal system. The system comprises a suction pipeline, a storage tank, a vacuum pipeline and a direct-drive vacuum pump; the direct-drive vacuum pump comprises a motor barrel, a motor shaft, a high-speed ball bearing, an impeller, a ring and a motor shell; a motor stator is fixedly embedded in the inner wall of the motor barrel, a motor rotor is fixedly sleeved on the outer wall of the motor shaft, and the positions of the motor stator and the motor rotor correspond to each other; the high-speed ball bearings are all positioned in the motor barrel and are respectively sleeved at two ends of the motor shaft; one end of a motor shaft is connected with an impeller, the ring is provided with a first channel, and the impeller is positioned in the first channel; the motor shell is provided with a second channel, and the first channel is communicated with the outside of the direct-drive vacuum pump through the second channel. The system reduces the quantity and the occupied area of equipment, and improves the air suction efficiency of the vacuum pump dust removal system.
Description
Technical Field
The utility model relates to the field of vacuum pumps, in particular to a vacuum pump dust removal system.
Background
The vacuum pump refers to a device or equipment for obtaining vacuum by pumping a pumped container by using a mechanical, physical, chemical or physicochemical method. Generally speaking, a vacuum pump is a device for improving, generating and maintaining vacuum in a certain closed space by various methods, and is widely applied to industries such as metallurgy, chemical engineering, food, electronic coating and the like.
The Chinese utility model patent application (publication No. CN209423182U, published: 20190924) discloses a process vacuum dust-free chamber dust pelletizing system, including electric telescopic handle, fixed lock, motor, vacuum pump and filter element, electric telescopic handle's lower extreme is connected with the device main part, and the front side of device main part has the dodge gate through hinge connection, the inside of device main part is provided with the filter, and the upside of filter is connected with electric telescopic handle, motor and vacuum pump are installed to the inside downside of device main part, be provided with the protection network on the filter, the outside edge of filter is fixed with the sealing washer, the dodge gate is provided with sealed the pad with the junction of device main part, the inside of filter is fixed with the filter element. This processing procedure vacuum dust pelletizing system of dust free chamber can carry out the processing procedure vacuum in-process at the device, carries out filtering work to the inside air of device through the filter, and then has guaranteed that the vacuum pump can be safe carry out work, has effectually avoided the harmful effects to the vacuum pump such as dust impurity.
The prior art has the following defects: when a traditional vacuum pump dust removal system generates suction force, a motor driving end is adopted to drive a reduction gearbox to rotate so as to drive an impeller to rotate, so that the suction force is generated; in the mode, a reduction gearbox is required to be externally connected, so that the number of equipment and the occupied area are increased; meanwhile, the reduction gearbox rotates at a lower speed, and the impeller rotates at a lower speed when the reduction gearbox drives the impeller, so that the air suction efficiency of the vacuum pump dust removal system is reduced.
Disclosure of Invention
The purpose of the utility model is: aiming at the problems, the motor stator is adopted to directly drive the motor rotor so as to drive the motor shaft to rotate under the support of the high-speed ball bearing, transmission through a reduction box is not needed, and the number and the occupied area of equipment are reduced; meanwhile, energy loss in the transmission process is reduced without reduction transmission of a reduction gearbox, and the rotating speed of a motor shaft and an impeller is improved, so that the air suction efficiency of the vacuum pump dust removal system is improved.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a vacuum pump dust removal system comprises a suction pipeline, a storage tank, a vacuum pipeline and a direct-drive vacuum pump; one end of the storage tank is communicated with the suction pipeline, and the other end of the storage tank is connected with the suction end of the direct-drive vacuum pump through the vacuum pipeline; the direct-drive vacuum pump comprises a motor barrel, a motor shaft, a high-speed ball bearing, an impeller, a ring and a motor shell; a motor stator is fixedly embedded in the inner wall of the motor barrel, a motor rotor is fixedly sleeved on the outer wall of the motor shaft, and the positions of the motor stator and the motor rotor correspond to each other; the high-speed ball bearings are all positioned in the motor barrel and are respectively sleeved at the two ends of the motor shaft; one end of the motor shaft is connected with the impeller, the ring is provided with a first channel, and the impeller is positioned in the first channel; the motor shell is provided with a second channel, and the first channel is communicated with the outside of the direct-drive vacuum pump through the second channel.
Preferably, the first passage is of a smooth meridian flow path configuration.
Preferably, the motor shell is provided with heat dissipation ribs; one end of the motor shell is fixedly connected with a wind shield made of an aluminum-plated material, and the inner wall of the wind shield is fixedly provided with a cooling fan.
Preferably, a cowling is fixedly provided at the inlet end of the impeller.
Preferably, the outer wall of the annular ring is fixedly sleeved with a current collector, and the inner walls of the front end and the rear end of the current collector are respectively positioned at two ends of the first channel.
Preferably, an airfoil-shaped reinforcing rib is arranged between the outer wall of the motor barrel and the inner wall of the motor shell, and the motor barrel is connected with the motor shell into a whole through the airfoil-shaped reinforcing rib in the casting process.
Preferably, the impeller is a three-dimensional flow semi-open type impeller, and a labyrinth seal groove is arranged on the back of the impeller; the labyrinth seal groove is opposite to the outer wall of the motor barrel.
Preferably, the second channel is provided with a plurality of gas outlets, and the gas in the second channel is communicated with the outside of the direct-drive vacuum pump through the plurality of gas outlets.
Preferably, a filtering membrane is arranged in the storage tank and is positioned at the suction end of the vacuum pipeline.
Preferably, the vacuum pump dust removal system further comprises a flow control device; the flow control device comprises a flow sensor, a potentiometer, a first amplifier, a second amplifier and a driving motor; the flow sensor sensing end is positioned in the vacuum pipeline, the flow sensor signal conveying end is connected with one end of the first amplifier, and the other end of the first amplifier is connected with one input end of the second amplifier; the electric brush of the potentiometer is connected with the second input end of the second amplifier, and the two input ends of the driving motor are respectively connected with the two output ends of the second amplifier; the suction pipeline is provided with a valve for controlling the opening degree of the suction pipeline, and the driving end of the driving motor is connected with the valve.
The vacuum pump dust removal system adopting the technical scheme has the advantages that:
when the motor works, 1) the motor stator is electrified to drive the motor rotor to rotate so as to drive the motor shaft to rotate; 2) the motor shaft rotates under the support of the high-speed ball bearing to drive the impeller to rotate; 3) when the impeller rotates, gas is discharged from the outside along the first channel and the second channel in sequence to generate suction; 4) the domestic garbage is sucked into the storage tank along the suction pipeline, so that the working process of the vacuum pump dust removal system is completed. In the mode, the motor stator is adopted to directly drive the motor rotor so as to drive the motor shaft to rotate under the support of the high-speed ball bearing, transmission of a reduction box is not needed, and the number and the occupied area of equipment are reduced; meanwhile, energy loss in the transmission process is reduced without reduction transmission of the reduction gearbox, and the rotating speed of a motor shaft and an impeller is improved, so that the air suction efficiency of the vacuum pump dust removal system is improved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of a direct-drive vacuum pump.
Fig. 3 is a schematic structural view of the impeller.
Fig. 4 is a schematic structural view of the first channel and the second channel.
Fig. 5 is a schematic view of the structure of the current collector.
Fig. 6 is a schematic structural view of an airfoil stiffener.
FIG. 7 is a control logic diagram of the vacuum pump dust removal system.
Detailed Description
The following describes in detail embodiments of the present invention with reference to the drawings.
Example 1
A vacuum pump dust removal system as shown in fig. 1 and fig. 2 comprises a suction pipeline 1, a storage tank 2, a vacuum pipeline 3 and a direct-drive vacuum pump 4; one end of the storage tank 2 is communicated with the suction pipeline 1, and the other end of the storage tank 2 is connected with the suction end of the direct-drive vacuum pump 4 through the vacuum pipeline 3; the direct-drive vacuum pump 4 comprises a motor bucket 41, a motor shaft 42, a high-speed ball bearing 43, an impeller 44, a ring 45 and a motor shell 46; a motor stator 47 is fixedly embedded in the inner wall of the motor barrel 41, a motor rotor 48 is fixedly sleeved on the outer wall of the motor shaft 42, and the positions of the motor stator 47 and the motor rotor 48 correspond to each other; the high-speed ball bearings 43 are all positioned in the motor barrel 41 and are respectively sleeved at two ends of the motor shaft 42; one end of the motor shaft 42 is connected with the impeller 44, the ring 45 is provided with a first channel 451, and the impeller 44 is positioned in the first channel 451; the motor housing 46 is provided with a second passage 461, and the first passage 451 communicates with the outside of the direct drive vacuum pump 4 through the second passage 461. During operation, 1) the motor stator 47 is electrified to drive the motor rotor 48 to rotate so as to drive the motor shaft 42 to rotate; 2) the motor shaft 42 rotates under the support of the high-speed ball bearing 43 to drive the impeller 44 to rotate; 3) the impeller 44 generates suction by discharging gas from the outside along the first and second passages 451 and 461 in sequence while rotating; 4) the domestic garbage is sucked into the storage tank 2 along the suction pipeline 1 so as to complete the working process of the vacuum pump dust removal system. In this way, the motor stator 47 is adopted to directly drive the motor rotor 48 so as to drive the motor shaft 42 to rotate under the support of the high-speed ball bearing 43, and transmission through a reduction gearbox is not needed, so that the number of equipment and the occupied area are reduced; meanwhile, energy loss in the transmission process is reduced without reduction transmission of a reduction gearbox, and the rotating speed of the motor shaft 42 and the impeller 44 is increased, so that the air suction efficiency of the vacuum pump dust removal system is improved.
The first channel 451 is of a smooth meridian flow channel structure, so that the gas is prevented from generating vortex in the process of being disturbed by the impeller 44, and the efficiency of the whole machine is improved.
The motor housing 46 is provided with heat dissipating ribs 462; one end of the motor housing 46 is fixedly connected with a wind shield 463 made of an aluminum-plated material to increase the sound insulation effect, and the inner wall of the wind shield 463 is fixedly provided with a heat radiation fan 464; the heat dissipation ribs 462 and the heat dissipation fan 464 are used for dissipating heat of the direct drive vacuum pump 4.
A cowling 441 is fixedly provided at the inlet end of the impeller 44, and the cowling 441 is used to rectify the gas entering the first passage 451.
The outer wall of the ring 45 is fixedly sleeved with a current collector 452, inner walls of front and rear ends of the current collector 452 are respectively located at two ends of the first channel 451, and the current collector 452 is used for collecting gas thrown away by centrifugal force generated by the impeller 44 to the first channel 451 and the second channel 461.
An airfoil reinforcing rib 411 is arranged between the outer wall of the motor barrel 41 and the inner wall of the motor shell 46, and the motor barrel 41 is connected with the motor shell 46 into a whole through the airfoil reinforcing rib 411 in the casting process.
As shown in fig. 3, the impeller 44 is a three-dimensional flow semi-open type impeller, and a labyrinth seal groove 442 is provided on the back of the impeller 44; the labyrinth seal groove 442 is opposite to the outer wall of the motor bucket 41, and the labyrinth seal groove 442 serves to reduce the gas in the first passage 451 from leaking along the back of the impeller 44.
As shown in fig. 2, the second channel 461 is provided with a plurality of gas outlets 465, and the gas in the second channel 461 is communicated with the outside of the direct-drive vacuum pump 4 through the plurality of gas outlets 465 so as to facilitate the discharge of the gas in the second channel 461.
As shown in fig. 1, a filter membrane 21 is provided in the storage tank 2; the filtering membrane 21 is positioned at the air suction end of the vacuum pipeline 3, and the filtering membrane 21 is used for separating gas and household garbage. The household garbage enters the storage tank 2 through the suction pipeline 1 under the action of strong suction force of the high-speed centrifugal vacuum pump 4 and is sucked into the position of the filtering membrane 21; the filtering membrane 21 can filter the tiny particles except the gas, so the air can be brought into the vacuum pump and finally exhausted out of the atmosphere, and the household garbage can fall at the bottom of the storage box 2 due to the action of gravity.
The system further comprises a flow control device 5; the flow control device 5 includes a flow sensor 51, a potentiometer 52, a first amplifier 53, a second amplifier 54, and a drive motor 55; the sensing end of the flow sensor 51 is positioned in the vacuum pipeline 3, the signal transmission end of the flow sensor 51 is connected with one end of a first amplifier 53, and the other end of the first amplifier 53 is connected with one input end of a second amplifier 54; the electric brush of the potentiometer 52 is connected with a second input end of the second amplifier 54, and two input ends of the driving motor 55 are respectively connected with two output ends of the second amplifier 54; the suction pipe 1 is provided with a valve 11 for controlling the opening degree of the suction pipe 1, and the driving end of the driving motor 55 is connected to the valve 11. The flow sensor 51 added in the vacuum pipeline 3 can monitor the flow in the suction process, and the flow entering the system is the same as the flow entering the direct-drive vacuum pump 4 according to a continuous equation; in the process of suction, the flow is small due to external unstable factors, and the suction force is further influenced. The potential signal epsilon transmitted by the flow sensor 51 has a linear relation with the flow, epsilon is amplified by the first amplifier 53 to be voltage UQ, and the electric brush on the potentiometer 52 can be adjusted to the voltage UR when the flow is required to be maintained; when the flow rate decreases, UQ decreases, UR and UQ form a voltage difference U, and then the voltage difference U is transmitted to the driving motor 55, and the driving motor 55 rotates the control valve 11 to rotate θ in an increasing direction, and then the flow rate increases until the flow rate Q reaches what we need.
Claims (10)
1. A vacuum pump dedusting system is characterized by comprising a suction pipeline (1), a storage tank (2), a vacuum pipeline (3) and a direct-drive vacuum pump (4); one end of the storage tank (2) is communicated with the suction pipeline (1), and the other end of the storage tank (2) is connected with the suction end of the direct-drive vacuum pump (4) through the vacuum pipeline (3); the direct-drive vacuum pump (4) comprises a motor barrel (41), a motor shaft (42), a high-speed ball bearing (43), an impeller (44), a ring (45) and a motor shell (46); a motor stator (47) is fixedly embedded in the inner wall of the motor barrel (41), a motor rotor (48) is fixedly sleeved on the outer wall of the motor shaft (42), and the positions of the motor stator (47) and the motor rotor (48) are corresponding; the high-speed ball bearings (43) are all positioned in the motor barrel (41) and are respectively sleeved at two ends of the motor shaft (42); one end of the motor shaft (42) is connected with the impeller (44), the annular ring (45) is provided with a first channel (451), and the impeller (44) is positioned in the first channel (451); the motor housing (46) is provided with a second channel (461), and the first channel (451) is communicated with the outside of the direct-drive vacuum pump (4) through the second channel (461).
2. A vacuum pump dusting system according to claim 1, characterized in that the first channel (451) is of a smooth meridian flow channel structure.
3. A vacuum pump dusting system according to claim 1, characterized in that the motor housing (46) is provided with heat dissipating ribs (462); one end of the motor shell (46) is fixedly connected with a wind shield (463) made of an aluminum-plated material, and the inner wall of the wind shield (463) is fixedly provided with a heat radiation fan (464).
4. A vacuum pump dusting system according to claim 1, characterized in that a fairing (441) is fixed to the inlet end of the impeller (44).
5. The vacuum pump dedusting system of claim 1, wherein a collector (452) is fixedly attached to an outer wall of the annular ring (45), and inner walls of front and rear ends of the collector (452) are respectively located at two ends of the first channel (451).
6. The vacuum pump dust removal system of claim 1, wherein an airfoil-shaped reinforcing rib (411) is arranged between the outer wall of the motor barrel (41) and the inner wall of the motor housing (46), and the motor barrel (41) is connected with the motor housing (46) into a whole in the casting process through the airfoil-shaped reinforcing rib (411).
7. A vacuum pump dust pelletizing system according to claim 1, characterized in that, impeller (44) is three-dimensional flow semi-open type impeller, and impeller (44) back is provided with labyrinth seal groove (442); the labyrinth seal groove (442) is opposed to the outer wall of the motor bucket (41).
8. A vacuum pump dust pelletizing system according to claim 1, characterized in that the second channel (461) is provided with a plurality of gas outlets (465), and the gas in the second channel (461) is in communication with the outside of the direct drive vacuum pump (4) through the plurality of gas outlets (465).
9. A vacuum pump dusting system according to claim 1, characterized in that a filter membrane (21) is arranged in the storage tank (2), the filter membrane (21) being located at the suction end of the vacuum line (3).
10. A vacuum pump dusting system according to claim 1, characterized in that the system further comprises a flow control device (5); the flow control device (5) comprises a flow sensor (51), a potentiometer (52), a first amplifier (53), a second amplifier (54) and a drive motor (55); the sensing end of the flow sensor (51) is positioned in the vacuum pipeline (3), the signal transmission end of the flow sensor (51) is connected with one end of a first amplifier (53), and the other end of the first amplifier (53) is connected with one input end of a second amplifier (54); the electric brush of the potentiometer (52) is connected with a second input end of a second amplifier (54), and two input ends of a driving motor (55) are respectively connected with two output ends of the second amplifier (54); the suction pipeline (1) is provided with a valve (11) for controlling the opening degree of the suction pipeline (1), and the driving end of the driving motor (55) is connected with the valve (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220140613.5U CN216812310U (en) | 2022-01-19 | 2022-01-19 | Vacuum pump dust pelletizing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220140613.5U CN216812310U (en) | 2022-01-19 | 2022-01-19 | Vacuum pump dust pelletizing system |
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| Publication Number | Publication Date |
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| CN216812310U true CN216812310U (en) | 2022-06-24 |
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| CN202220140613.5U Active CN216812310U (en) | 2022-01-19 | 2022-01-19 | Vacuum pump dust pelletizing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114321025A (en) * | 2022-01-19 | 2022-04-12 | 鑫磊压缩机股份有限公司 | Vacuum pump dust pelletizing system |
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- 2022-01-19 CN CN202220140613.5U patent/CN216812310U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114321025A (en) * | 2022-01-19 | 2022-04-12 | 鑫磊压缩机股份有限公司 | Vacuum pump dust pelletizing system |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Xinlei Energy Conservation Technology Co.,Ltd. Assignor: XINLEI COMPRESSOR CO.,LTD. Contract record no.: X2023330000380 Denomination of utility model: A Vacuum Pump Dust Removal System Granted publication date: 20220624 License type: Common License Record date: 20230707 |