CN216842358U - Welding fan structure - Google Patents
Welding fan structure Download PDFInfo
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- CN216842358U CN216842358U CN202123431028.5U CN202123431028U CN216842358U CN 216842358 U CN216842358 U CN 216842358U CN 202123431028 U CN202123431028 U CN 202123431028U CN 216842358 U CN216842358 U CN 216842358U
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Abstract
The utility model provides a welding fan structure, includes first crown plate, second crown plate and sets up the blading that is the circumference and distributes between first crown plate and second crown plate, the blading includes a plurality of first blades and a plurality of second blade, the bottom of first blade, the bottom of second blade stretch out and have first flange, the top of second blade is stretched out and is had the second flange, it is provided with first mounting groove to correspond every first flange on the first crown plate, it is provided with the second mounting groove to correspond every second flange on the second crown plate, first flange inserts in the first mounting groove, and the second flange inserts in the second mounting groove, first crown plate and blading welded fastening, second crown plate and blading welded fastening, first blade and second blade are the steel sheet finished piece. By adopting the technical scheme, the ventilation and heat dissipation problems of the high-speed rotating motor are solved, and the fan has the characteristics of small vibration, low noise and low cost.
Description
Technical Field
The utility model belongs to the technical field of the generator fan technique and specifically relates to a welding fan structure.
Background
The fan is used as a rotor component of the motor, plays a role in driving ventilation and heat dissipation, and is also a main structural component of the motor. The traditional motor fan is cast by gray cast iron or aluminum alloy, and is processed to the required size after casting. The disadvantages are that: 1. the cast fan is influenced by a casting process, internal defects are not easy to find, and the fan is easy to tear when the fan rotates at a high speed along with the motor; 2. the production period of the casting is long, and the small-batch production efficiency is low; 3. the surface of the casting part is rough, and high-frequency screaming is easy to generate when the motor rotates at high speed. Therefore, improvements are needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a welding fan structure has solved high-speed rotating electrical machines's ventilation cooling problem, has the characteristics that the fan vibration is little, the noise is low and with low costs simultaneously.
The utility model provides a welding fan structure, includes first crown plate, second crown plate and sets up the blading that is the circumference and distributes between first crown plate and second crown plate, the blading includes a plurality of first blades and a plurality of second blade, the bottom of first blade, the bottom of second blade stretch out and have first flange, the top of second blade is stretched out and is had the second flange, it is provided with first mounting groove to correspond every first flange on the first crown plate, it is provided with the second mounting groove to correspond every second flange on the second crown plate, first flange inserts in the first mounting groove, and the second flange inserts in the second mounting groove, first crown plate and blading welded fastening, second crown plate and blading welded fastening, first blade and second blade are the steel sheet finished piece.
Furthermore, the side surfaces of the first blade and the second blade are right trapezoid, the long sides of the first blade and the second blade are connected with the first annular plate, and the short sides of the first blade and the second blade are connected with the second annular plate.
Furthermore, a first through hole is formed in the middle of the first ring plate, a second through hole is formed in the middle of the second ring plate, and the edge portion of the second through hole is close to the inner side edges of the first blade and the second blade.
Further, the top end of the first blade is flat and contacts with the inner surface of the second ring plate.
Further, the first blade and the second blade are obliquely arranged.
By adopting the technical scheme, the fan is formed by welding the plate parts, the blades of the fan are blanked by the steel plate, the surface is smooth, the fan vibrates little, the noise is low, and compared with the formation of a casting, the fan does not need to be opened, and the cost is low.
The first ring plate and the second ring plate are positioned through the first convex plate and the second convex plate of the second blade, the front ring and the rear ring are good in concentricity, stable in structure and high in reliability.
Drawings
Fig. 1 is a schematic view of the half-section of the present invention.
FIG. 2 is a schematic view of the connection between the first ring plate, the second ring plate and the vane assembly.
FIG. 3 is a schematic view of a first blade.
FIG. 4 is a schematic view of a second blade.
Detailed Description
The present invention will be described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 4, a welding fan structure includes a first ring plate 1, a second ring plate 2, and a blade set disposed between the first ring plate 1 and the second ring plate 2 and distributed circumferentially.
The blade group comprises a plurality of first blades 3 and a plurality of second blades 4, the first blades 3 and the second blades 4 are obliquely arranged, the side surfaces of the first blades 3 and the second blades 4 are right trapezoid, the long edges of the first blades 3 and the second blades 4 are connected with a first annular plate 1, the short edges of the first blades 3 and the second blades 4 are connected with a second annular plate 2, first convex plates 5 extend out of the bottom ends of the first blades 3 and the bottom ends of the second blades 4, the top ends of the first blades 3 are straight and are in contact with the inner surface of the second annular plate 2, second convex plates 6 extend out of the top ends of the second blades 4, first mounting grooves are formed in the first annular plate 1 corresponding to each first convex plate 5, second mounting grooves are formed in the second annular plate 2 corresponding to each second convex plate 6, the first convex plates 5 are inserted into the first mounting grooves, the second convex plates 6 are inserted into the second mounting grooves 10, the first annular plate 1 and the blade group are fixedly welded, the second ring plate 2 is welded and fixed with the blade group, and the first blade 3 and the second blade 4 are steel plate parts.
The middle position of the first ring plate 1 is provided with a first through hole 7, the middle position of the second ring plate 2 is provided with a second through hole 8, and the edge part of the second through hole 8 is close to the inner side edges of the first blade 3 and the second blade.
The high-speed welding fan is formed by a welding-annealing-machining mode, the front and the back first annular plates 1 and the second annular plates 2 are adopted by the fan, and the first blades 3 and the second blades 4 which are obliquely arranged in sufficient quantity are adopted in the middle, so that the high-speed welding fan is higher in mechanical strength and better in stability compared with a traditional casting fan; firstly, the first annular plate 1 is placed on a plane, then the second blade 4 is fixed with the first annular plate 1, then the first blade 3 is welded on the first annular plate 1 through a positioning tool, and finally the second annular plate 2 is welded on the first blade 3 and the second blade 4. After welding, stress relief annealing is carried out, machining is carried out according to a drawing after annealing, and the first convex plate 5 and the second convex plate 6 can play a role in positioning and can play a role in strengthening welding.
By adopting the technical scheme, the fan is formed by welding the plate parts, the blades of the fan are blanked by the steel plate, the surface is smooth, the fan vibrates little, the noise is low, and compared with the formation of a casting, the fan does not need to be opened, and the cost is low.
The first ring plate 1 and the second ring plate 2 are positioned through the first convex plate 5 and the second convex plate 6 of the second blade 4, the front ring and the rear ring are good in concentricity, stable in structure and high in reliability.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, but is intended to cover various modifications, combinations, and alternatives, which will be apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (5)
1. A welding fan structure which characterized in that: including first crown plate, second crown plate and set up the blading that is the circumference and distributes between first crown plate and second crown plate, the blading includes a plurality of first blades and a plurality of second blade, the bottom of first blade, the bottom of second blade stretch out and have first flange, the top of second blade is stretched out and is had the second flange, it is provided with first mounting groove to correspond every first flange on the first crown plate, it is provided with the second mounting groove to correspond every second flange on the second crown plate, first flange inserts in the first mounting groove, and the second flange inserts in the second mounting groove, first crown plate and blading welded fastening, second crown plate and blading welded fastening, first blade and second blade are the steel sheet finished piece.
2. The welding fan structure of claim 1, wherein: the side of first blade and second blade is right trapezoid, and the long limit and the first crown plate of first blade and second blade are connected, the minor face and the second crown plate of first blade and second blade are connected.
3. The welding fan structure of claim 1, wherein: the middle position of the first ring plate is provided with a first through hole, the middle position of the second ring plate is provided with a second through hole, and the edge part of the second through hole is close to the inner side edges of the first blade and the second blade.
4. The welding fan structure of claim 1, wherein: the top end of the first blade is flat and is in contact with the inner surface of the second ring plate.
5. The welding fan structure of claim 1, wherein: the first blade and the second blade are obliquely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123431028.5U CN216842358U (en) | 2021-12-30 | 2021-12-30 | Welding fan structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123431028.5U CN216842358U (en) | 2021-12-30 | 2021-12-30 | Welding fan structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216842358U true CN216842358U (en) | 2022-06-28 |
Family
ID=82111760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123431028.5U Active CN216842358U (en) | 2021-12-30 | 2021-12-30 | Welding fan structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216842358U (en) |
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2021
- 2021-12-30 CN CN202123431028.5U patent/CN216842358U/en active Active
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