CN212360320U - Axial fan frame with improved structure - Google Patents
Axial fan frame with improved structure Download PDFInfo
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- CN212360320U CN212360320U CN202021807608.2U CN202021807608U CN212360320U CN 212360320 U CN212360320 U CN 212360320U CN 202021807608 U CN202021807608 U CN 202021807608U CN 212360320 U CN212360320 U CN 212360320U
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- fan frame
- static
- static blade
- blade disc
- axial fan
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Abstract
The utility model discloses an axial fan frame with improved structure, which comprises a fan frame body, a static blade disc, a static blade and a middle pipe, wherein the static blade disc is arranged at the inner side of the fan frame body, one end of a plurality of static blades is fixedly connected with the static blade disc, the other end is fixedly connected with the inner side wall of the fan frame body, a central hole is formed on the static blade disc, the middle pipe is fixedly arranged on the static blade disc, the middle pipe is coaxially and just communicated with the central hole on the static blade disc, the static blade and the middle pipe are all formed structures made of metal materials, the utility model realizes that the static blade disc, the static blade disc and the middle pipe of the axial fan form a metal integrated structure, has good heat conduction performance, can conduct good heat to a bearing system, and simultaneously, the static blade disc and the static blade disc can form forced convection heat dissipation under the action of wind flow, quickly dissipate the conducted heat, and realizes good heat, the service life of the fan is prolonged, and the performance and the weather resistance of the fan are improved.
Description
Technical Field
The utility model relates to an axial fan, in particular to axial fan frame of institutional advancement.
Background
The design of axial fan frame all adopts the scheme of integrated into one piece plastic quiet leaf and copper pipe cladding at present, because the flabellum is high-speed to operate, can produce a large amount of heats, and the quiet leaf of plastic material can not fine heat transfer, the dual temperature of bearing and motor is held down in the metal well-tube in with, can the temperature be very high, be difficult for the heat dissipation, the unable release of heat that the flabellum high-speed operation produced, lead to bearing system temperature rise too high, the life-span shortens, and the quiet leaf of plastic integrated into one piece receives the material restriction of plastic itself, be difficult to accomplish thinner, the quiet leaf is done thinly and can lead to intensity not enough, thick quiet leaf windage is great, influence the performance.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model provides a construction improvement's axial fan frame and preparation method thereof, this construction improvement's axial fan frame can prolong the fan life-span, promotes fan performance and weatherability.
The utility model discloses a solve the technical scheme that its technical problem adopted and be: the utility model provides an axial compressor fan frame of institutional advancement, includes fan framework, quiet bladed disk, quiet blade and well pipe, quiet bladed disk is located fan framework inboard, a plurality of quiet bladed disk one end and quiet bladed disk fixed connection, the other end and fan framework inside wall fixed connection, is formed with the centre bore on the quiet bladed disk, well pipe fixed mounting on quiet bladed disk, well pipe and quiet bladed disk go up the centre bore coaxial just to the intercommunication, quiet bladed disk, quiet blade and well pipe are metal material shaping structure.
As a further improvement of the utility model, the fixed blade disc and the fixed blade are metal material integrated into one piece structure, and the fixed blade disc and the well pipe are metal material integrated into one piece structure or riveting fixed connection.
As a further improvement of the utility model, be formed with the sprouting riveting on the quiet leaf dish, well pipe riveting is formed with the knurling structure on the surface in this sprouting riveting section, well pipe riveting portion circumference outside.
As a further improvement of the utility model, the quiet bladed disk is flat disc structure, and quiet blade integrated into one piece is on quiet bladed disk circumference lateral wall.
As a further improvement, the utility model discloses a 0 ~ 90 contained angle exists between stator blade and the stator blade dish.
As a further improvement of the present invention, the other end of the stationary blade extends from the circumferential outer side wall of the stationary blade disk along a straight line or along a pitch arc, and is finally fixedly connected to the fan frame.
As a further improvement of the present invention, the stationary blade is of a flat structure or an arc structure in its width direction.
As a further improvement of the utility model, the fan frame body is integrally formed outside the circumference of the stationary blade through plastic wrapping.
As a further improvement of the utility model, the stationary blade root forms size constriction structure along stationary blade width direction.
The utility model has the advantages that: the utility model discloses an adopt MIM technique or stamping technology to realize the quiet blade of axial fan, quiet bladed disk and well integrative structure of formation metal, because quiet bladed disk and quiet blade adopt the processing of metal material to form, its heat conductivility is good, can carry out good heat-conduction to bearing system, and simultaneously, quiet bladed disk and quiet blade more can form forced convection heat dissipation under the effect of distinguished and admirable, dispel its conducted heat fast, the good radiating effect of fan bearing system has been realized, be favorable to prolonging fan life, promote fan performance and weatherability.
Drawings
FIG. 1 is a structure in which a stationary blade and a middle tube are integrally formed by MIM technique;
FIG. 2 is a first axial fan frame;
FIG. 3 is a view showing a stationary blade and a middle pipe which are formed by press molding before riveting;
FIG. 4 is a diagram showing a state after riveting a stationary blade and a middle pipe which are formed by punching;
fig. 5 is a second axial fan frame.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings.
Example (b): referring to fig. 2 and 5, an axial flow fan frame with an improved structure includes a fan frame body 1, a stationary blade disc 2, stationary blades 3 and a middle tube 4, the stationary blade disc 2 is located inside the fan frame body 1, one end of each of the stationary blades 3 is fixedly connected to the stationary blade disc 2, the other end of each of the stationary blades 3 is fixedly connected to an inner side wall of the fan frame body 1, a central hole is formed in the stationary blade disc 2, the middle tube 4 is fixedly mounted on the stationary blade disc 2, the middle tube 4 is coaxially and oppositely communicated with the central hole in the stationary blade disc 2, and the stationary blade disc 2, the stationary blades 3 and the middle tube 4 are all formed structures made of metal materials. Quiet bladed disk 2, quiet blade 3 and well pipe 4 all adopt the metal material processing to form, and the metal material heat conductivility is good, can carry out good heat-conduction to the bearing system in well pipe 4, and simultaneously, quiet bladed disk 2 and quiet blade 3 more can form forced convection heat dissipation under the effect of distinguished and admirable, dispel its conductive heat fast, have realized fan bearing system's good radiating effect, are favorable to prolonging fan life, promote fan performance and weatherability.
Referring to fig. 1 and 4, the stationary blade disc 2 and the stationary blades 3 are integrally formed of a metal material, and the stationary blade disc 2 and the middle pipe 4 are integrally formed of a metal material or are fixedly connected by riveting.
The fixed blade disc 2 is provided with a bud riveting section, the middle tube 4 is riveted in the bud riveting section, and the outer side surface of the circumference of the riveting part of the middle tube 4 is provided with an embossing structure.
The static blade disc 2 is of a flat disc structure, and the static blades 3 are integrally formed on the outer circumferential side wall of the static blade disc 2. The static blade disc 2 can also be of a barrel-shaped structure, and the static blades 3 are fixedly arranged on the circumferential outer side wall of the barrel-shaped structure.
And an included angle of 0-90 degrees is formed between the static blades 3 and the static blade disc 2. An included angle is formed between the stationary blade 3 and the stationary blade disk 2, and the overall strength of the stationary blade can be improved.
The other end of the static blade 3 extends along a straight line or an arc line from the outer side wall of the circumference of the static blade disc 2 and is finally fixedly connected with the fan frame body 1. The length direction of the static blades 3 forms a linear structure or an arc structure, the connection strength is improved, and the static blades 3 can extend along the radial direction or the tangential direction of the static blade disc 2.
The stationary blades 3 are flat or arc-shaped in their width direction. The width direction of the static blades 3 forms a linear structure or an arc structure, the strength of the static blades is improved, and the static blades are not easy to damage and deform.
The fan frame 1 is integrally formed outside the circumference of the stationary blade 3 by plastic injection.
The root of the static blade 3 forms a size contraction structure along the width direction of the static blade.
Referring to fig. 1 and 2, a method for manufacturing an axial fan frame with an improved structure includes the following steps:
the method comprises the following steps: integrally forming a static blade disc 2, a static blade 3 and a middle pipe 4 by adopting a metal powder injection molding (MIM) technology;
step two: the fan frame 1 is formed outside the circumference of the stationary blades 3 by a plastic injection process.
The metal integrated forming of the static blades 3, the static blade discs 2 and the middle pipe 4 is realized by adopting the MIM technology, the forming efficiency is high, no connection exists, and the overall strength is high.
The forming steps by adopting the MIM technology are as follows: firstly, metal powder and an adhesive are selected to be mixed to form a raw material, the raw material is mixed and then is sent to an injection machine, the injection machine and a mold in the injection machine form a blank with the integrated stator blade 3, the stator blade disc 2 and the middle pipe 4 in an injection mode, then the adhesive in the blank is removed through a degreasing process, the degreasing methods are various, the most common degreasing method comprises thermal degreasing, solvent degreasing, catalytic degreasing and the like, the degreasing time is determined according to the composition of the adhesive and the chemical property of powder, the degreasing method is selected to ensure that various products are basically consistent, the period is 4-5H under the normal condition, the degreased blank is sintered to obtain the product with the required physical and mechanical properties, and the sintered product can be subjected to post-treatment such as finishing, sand blasting, polishing, electroplating, PVD and the like.
Referring to fig. 3, 4 and 5, a method for manufacturing an axial fan frame with an improved structure includes the following steps:
the method comprises the following steps: forming the middle tube 4 by turning;
step two: the static blade disc 2 and the static blade 3 are integrally formed in a punching mode, and bud picking is carried out at the center of the static blade disc 2;
step three: riveting the middle pipe 4 in the bud on the static leaf disc 2;
step four: the fan frame 1 is formed outside the circumference of the stationary blades 3 by a plastic injection process.
The middle pipe 4 and the fixed blade are machined and manufactured by adopting machining and stamping processes, and then the middle pipe 4 and the fixed blade are riveted and connected to form an integral structure.
The surfaces of the middle pipe 4 and the bud riveting section of the static blade disc 2 are provided with embossing structures. The embossing structure can improve the riveting strength of the two.
In the second step, the stationary blade disc 2 and the stationary blade 3 are integrally formed by punching, and the method comprises the following steps:
a. firstly, blanking a metal plate to form a disc-shaped static blade disc 2 and a static blade 3 blank radially and outwardly extending from the outer side of the circumference of the disc, wherein the root of the static blade 3 blank forms a size contraction structure along the width direction of the static blade 3 blank, and a bud drawing hole is formed in the center of the disc-shaped static blade disc 2;
b. sprouting at a sprouting hole of the disc-shaped static leaf disc 2;
c. and folding the root of the blank 3 of the static blade to form an included angle between the section with the large width of the blank 3 of the static blade and the disc.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (9)
1. The utility model provides an axial fan frame of institutional advancement which characterized in that: including fan framework, quiet leaf dish, quiet leaf and well pipe, quiet leaf dish is located fan framework inboard, a plurality of quiet leaf one end and quiet leaf dish fixed connection, the other end and fan framework inside wall fixed connection are formed with the centre bore on the quiet leaf dish, well pipe fixed mounting is on quiet leaf dish, well pipe and quiet leaf dish on the centre bore coaxial just to the intercommunication, quiet leaf dish, quiet leaf and well pipe are metal material forming structure.
2. The structurally improved axial fan frame according to claim 1, wherein: the static blade disc and the static blades are of a metal material integrated structure, and the static blade disc and the middle pipe are of a metal material integrated structure or fixedly connected in a riveting mode.
3. The structurally improved axial fan frame according to claim 2, wherein: the fixed blade disc is provided with a bud rivet, the middle pipe is riveted in the bud rivet section, and the outer surface of the circumference of the middle pipe rivet is provided with an embossing structure.
4. The structurally improved axial fan frame according to claim 1, wherein: the static blade disc is of a flat disc structure, and the static blades are integrally formed on the circumferential outer side wall of the static blade disc.
5. The structurally improved axial fan frame according to claim 1, wherein: and an included angle of 0-90 degrees is formed between the static blade and the static blade disc.
6. The structurally improved axial fan frame according to claim 1, wherein: the other end of the static blade extends from the outer circumferential side wall of the static blade disc along a straight line or an arc line and is finally fixedly connected with the fan frame body.
7. The structurally improved axial fan frame according to claim 1, wherein: the stationary blade is of a flat structure or an arc structure in a width direction thereof.
8. The structurally improved axial fan frame according to claim 1, wherein: the fan frame body is integrally formed on the outer side of the circumference of the static blades through plastic wrapping and injection.
9. The structurally improved axial fan frame according to claim 1, wherein: the root of the stator blade forms a size contraction structure along the width direction of the stator blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021807608.2U CN212360320U (en) | 2020-08-26 | 2020-08-26 | Axial fan frame with improved structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021807608.2U CN212360320U (en) | 2020-08-26 | 2020-08-26 | Axial fan frame with improved structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212360320U true CN212360320U (en) | 2021-01-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021807608.2U Active CN212360320U (en) | 2020-08-26 | 2020-08-26 | Axial fan frame with improved structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212360320U (en) |
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2020
- 2020-08-26 CN CN202021807608.2U patent/CN212360320U/en active Active
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