CN210599560U - Centrifugal vacuum pump with adjustable blades - Google Patents
Centrifugal vacuum pump with adjustable blades Download PDFInfo
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- CN210599560U CN210599560U CN201921483492.9U CN201921483492U CN210599560U CN 210599560 U CN210599560 U CN 210599560U CN 201921483492 U CN201921483492 U CN 201921483492U CN 210599560 U CN210599560 U CN 210599560U
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- impeller
- vacuum pump
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Abstract
The utility model discloses a blade adjustable centrifugal vacuum pump belongs to centrifugal vacuum pump technical field, including the base, base upper portion sets up the motor, its characterized in that: motor one side sets up the gear box, gear box far away motor one side sets up the free end spiral case, the nearly gear box one side of free end spiral case sets up the free end spiral case, the inside impeller that sets up of free end spiral case, impeller far away gear box one side sets up the blade, gear shaft inside the gear box passes through the coupling joint with the output shaft of motor, the impeller passes through the output shaft of gear box with the gear box and is connected, the blade is adjustable diffuser blade, the quantity of blade is 15, replace traditional fixed blade with impeller body design with adjustable diffuser blade, can fall the resistance of air that the blade bore in the course of the work and moisture to minimum, the effective protection to the blade has been realized, and obviously prolonged the blade and even the life of whole impeller, manufacturing cost reduces by a wide margin.
Description
Technical Field
The utility model relates to a centrifugal vacuum pump technical field specifically is a blade adjustable centrifugal vacuum pump
Background
The vacuum pump is a device for obtaining a vacuum environment by pumping a pumped container by using mechanical, physical, chemical and other methods, in the papermaking industry, paper needs to be dewatered in the production process, the process needs the vacuum pump to complete, an impeller is a core part in the vacuum pump, the aim of vacuumizing is achieved by the high-speed stable rotation of the impeller, most impellers of the existing vacuum pump are designed in an integrated mode, blades need to face partial air from the container to be pumped and moisture in paper in the vacuumizing process, and along with the high-speed rotation of the impeller, the air, the moisture and the blades have higher relative speeds, so that the blades are extremely easy to wear, the service life is not long, and the production cost is undoubtedly increased for manufacturers, therefore, the vacuum pump with the blades not easy to wear is designed, are becoming increasingly important.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a blade adjustable centrifugal vacuum pump.
The utility model provides a blade adjustable centrifugal vacuum pump, includes the base, base upper portion sets up the motor, its characterized in that: the novel gear box is characterized in that a gear box is arranged on one side of the motor, a free end worm cover is arranged on one side of the gear box far away from the motor, a free end volute is arranged on one side of the free end worm cover close to the gear box, an impeller is arranged inside the free end volute, blades are arranged on one side of the impeller far away from the gear box, a gear shaft inside the gear box is connected with an output shaft of the motor through a coupler, and the impeller is connected with the gear box through the output shaft of the gear box.
Further, the vanes are adjustable diffuser vanes.
Furthermore, an actuator mounting plate is arranged on one side, close to the gear box, of the free-end volute, an electric actuator is arranged at the top of the actuator mounting plate, a protective cover is arranged on one side, far away from the top of the actuator mounting plate, of the electric actuator, a transmission system is arranged inside the protective cover, and the transmission system is movably connected with the blades.
Further, the number of the blades is 15, wherein 1 blade connected with the transmission system is an active blade, and the rest 14 blades are passive blades.
Further, the blades are radially arranged on the impeller in an equidistant annular mode.
Further, an oil tank is arranged on one side of the base, the oil tank is connected with the free end volute through a pipeline, and the oil tank is connected with the free end volute through a pipeline to form a closed loop oil circuit.
The utility model discloses a blade adjustable centrifugal vacuum pump's beneficial effect does:
1. the adjustable diffuser blades are used for replacing the traditional fixed blades integrally designed with the impeller, and the electric actuator is matched for controlling the positions of the blades through the transmission device, so that the resistance of air and moisture borne by the blades in the working process can be reduced to the minimum, the blades are effectively protected, the service lives of the blades and even the whole impeller are obviously prolonged, and the production cost is greatly reduced;
2. the oil tank and the free end volute are connected through a pipeline to form a closed loop oil circuit, so that the impeller can be well lubricated, the impeller is further protected, and the service life of the impeller is further prolonged.
Drawings
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, but the protection scope of the present invention is not limited thereto.
Fig. 1 is a schematic structural view of a centrifugal vacuum pump with adjustable blades according to the present invention;
fig. 2 is a schematic structural diagram of the inside of a free-end volute of the centrifugal vacuum pump with adjustable blades of the present invention;
fig. 3 is a schematic structural diagram of one side of the impeller mounting blade of the centrifugal vacuum pump with adjustable blades of the present invention.
The device comprises a free end volute 1, a gear box 2, a base 3, an oil tank 4, a motor 5, a coupler 6, a free end volute cover 7, an electric actuator 8, a shield 9, an actuator mounting plate 10, an impeller 11 and a blade 12.
Detailed Description
For the sake of clarity, the centrifugal vacuum pump with adjustable blades according to the present invention will be further described with reference to fig. 1 to 3 of the drawings.
The utility model provides a blade adjustable centrifugal vacuum pump, includes base 3, 3 upper portions of base set up motor 5, its characterized in that: the motor is characterized in that a gear box 2 is arranged on one side of the motor 5, a free end volute cover 7 is arranged on one side, far away from the motor 5, of the gear box 2, the free end volute cover 7 is close to one side of the gear box 2 and is provided with a free end volute 1, an impeller 11 is arranged inside the free end volute 1, blades 12 are arranged on one side, far away from the gear box 2, of the impeller 11, a gear shaft inside the gear box 2 is connected with an output shaft of the motor 5 through a coupler 6, and the impeller 11 is connected with the gear box 2 through an output shaft of the gear box 2.
Further, the vanes 12 are adjustable diffuser vanes.
Further, an actuator mounting plate 10 is arranged on one side, close to the gear box 2, of the free-end volute 1, an electric actuator 8 is arranged on the top of the actuator mounting plate 10, a protective cover 9 is arranged on one side, far away from the electric actuator 8, of the top of the actuator mounting plate 10, a transmission system is arranged inside the protective cover 9, and the transmission system is movably connected with the blades 12.
Further, the number of the blades 12 is 15, wherein 1 blade 12 connected to the transmission system is an active blade, and the remaining 14 blades 12 are passive blades.
Further, the blades 12 are radially and annularly arranged on the impeller 11 at equal intervals.
Further, an oil tank 4 is arranged on one side of the base 3, the oil tank 4 is connected with the free end volute 1 through a pipeline, and the oil tank 4 is connected with the free end volute 1 through a pipeline to form a closed loop oil circuit.
The utility model discloses a theory of operation of blade adjustable centrifugal vacuum pump does: the method comprises the steps of connecting a free end worm cover 7 with a container to be vacuumized, starting a motor 5, enabling an impeller 11 to rotate at a constant speed through transmission of a gear box 2, starting vacuumization, starting an electric actuator 8, controlling the direction of a blade 12 through a transmission system, enabling an included angle between the blade 12 and air and moisture extracted in the rotating process to be reduced as much as possible, further reducing the impact force of the air and the moisture on the blade 12 to the minimum, protecting the blade 12, closing the motor 5 after the interior of the container to be vacuumized is vacuumized, closing the electric actuator 8, stopping transmission of the impeller 11, and completing a work cycle.
The above is only the specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (6)
1. The utility model provides a blade adjustable centrifugal vacuum pump, includes base (3), base (3) upper portion sets up motor (5), its characterized in that: the motor-driven gearbox is characterized in that a gear box (2) is arranged on one side of the motor (5), the gear box (2) is far away from one side of the motor (5) and is provided with a free end volute cover (7), the free end volute cover (7) is close to one side of the gear box (2) and is provided with a free end volute (1), an impeller (11) is arranged inside the free end volute (1), the impeller (11) is far away from one side of the gear box (2) and is provided with blades (12), a gear shaft inside the gear box (2) is connected with an output shaft of the motor (5) through a coupler (6), and the impeller (11) is connected with the gear box (2) through an output shaft of the gear box (.
2. A centrifugal vacuum pump with adjustable vanes according to claim 1, characterized in that the vanes (12) are adjustable diffuser vanes.
3. A centrifugal vacuum pump with adjustable blades as claimed in claim 1, wherein an actuator mounting plate (10) is arranged on one side of the free-end volute (1) close to the gear box (2), an electric actuator (8) is arranged on the top of the actuator mounting plate (10), a shield (9) is arranged on one side of the top of the actuator mounting plate (10) far away from the electric actuator (8), a transmission system is arranged inside the shield (9), and the transmission system is movably connected with the blades (12).
4. A centrifugal vacuum pump with adjustable vanes according to claim 3, characterized in that the number of vanes (12) is 15, of which 1 vane (12) connected to the drive system is an active vane and the remaining 14 vanes (12) are passive vanes.
5. A centrifugal vacuum pump with adjustable vanes according to claim 4, characterized in that the vanes (12) are radially arranged in an equidistant ring on the impeller (11).
6. The centrifugal vacuum pump with adjustable blades as claimed in claim 1, wherein an oil tank (4) is arranged on one side of the base (3), the oil tank (4) is connected with the free-end volute (1) through a pipeline, and the oil tank (4) is connected with the free-end volute (1) through a pipeline to form a closed-loop oil circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921483492.9U CN210599560U (en) | 2019-09-08 | 2019-09-08 | Centrifugal vacuum pump with adjustable blades |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921483492.9U CN210599560U (en) | 2019-09-08 | 2019-09-08 | Centrifugal vacuum pump with adjustable blades |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210599560U true CN210599560U (en) | 2020-05-22 |
Family
ID=70691587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921483492.9U Active CN210599560U (en) | 2019-09-08 | 2019-09-08 | Centrifugal vacuum pump with adjustable blades |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210599560U (en) |
-
2019
- 2019-09-08 CN CN201921483492.9U patent/CN210599560U/en active Active
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