CN114992158B - Metal stamping part and mounting structure thereof - Google Patents
Metal stamping part and mounting structure thereof Download PDFInfo
- Publication number
- CN114992158B CN114992158B CN202210929682.9A CN202210929682A CN114992158B CN 114992158 B CN114992158 B CN 114992158B CN 202210929682 A CN202210929682 A CN 202210929682A CN 114992158 B CN114992158 B CN 114992158B
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- Prior art keywords
- disk
- spoiler
- self
- mounting
- tapping
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/263—Rotors specially for elastic fluids mounting fan or blower rotors on shafts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/053—Shafts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to a metal stamping part and a mounting structure thereof, comprising a body which is integrally stamped and formed, wherein the body is provided with a mounting part, a flared part and a turbulence part, the turbulence part comprises a stamped part and an un-stamped part, the stamped part is provided with a plurality of turbulence plates, and stamping parts of the turbulence plates are provided with stamping holes; the suspension edge of the spoiler is arc-shaped, and the spoiler is rotationally arranged in the same direction; one end of the spoiler facing the flaring part is smaller than one end of the spoiler facing the edge of the spoiler part of the fan, and a connecting edge of the spoiler and the unmapped part forms a certain included angle with the vertical central line of the spoiler; the mounting structure comprises a shaft sleeve, a left disk, a right disk and the body; the left disk and the right disk are arranged on the disk mounting part of the shaft sleeve in a back-to-back manner, and the inward extending part of the mounting part of the body is clamped between the left disk and the right disk; the right disk, the inward extending part and the left disk are locked with the disk mounting part through self-tapping screws. The invention has better turbulent flow effect, firm connection and difficult falling off.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a metal stamping part and an installation structure thereof.
Background
At present, a fan blade applied to a heat dissipation wheel is an integrally formed plastic part or an integrally formed casting part, and usually some fan holes are formed in a fan blade body, and the positions where the fan holes are not formed are used as spoilers, so that the spoilers and the fan holes are located on the same plane, and the spoiling effect is poor. Or some vertical spoilers are injection molded at the positions where the fan holes are not formed, but the spoilers cannot form effective rotating vortex.
And the conventional fan is arranged on the right side of the right disk of the heat dissipation wheel, because the left disk and the right disk of the heat dissipation wheel are formed by stamping a thinner zinc sheet, the thickness of the zinc sheet is only 1mm and even less than 1mm, when the left disk and the right disk are matched with the shaft sleeve, the left disk and the right disk are fixed on the shaft sleeve by common screws, in the using process of the structure, when the left disk and the right disk are provided with belts for working, the left disk and the right disk are easy to shake and cause shaking, the contact surfaces of the left disk and the right disk and the screws are smaller, so that the connection between the left disk and the shaft sleeve and the connection between the right disk and the shaft sleeve are not firm enough, the threads are easy to be damaged, and the fan is easy to scatter and not rotate.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: a metal stamping part and a mounting structure thereof are provided to solve the problems existing in the background art.
The technical scheme adopted by the invention for solving the technical problems is as follows: a metal stamping part comprises a body which is integrally stamped and formed, wherein the body is provided with an installation part, an expansion part positioned at the outer edge of the installation part and a turbulence part positioned at the outer edge of the expansion part, the turbulence part comprises a stamped part and an unmapped part, the stamped part is provided with a plurality of stamped and bent turbulence plates formed by the stamped part and the unmapped part, and stamping positions of the turbulence plates are provided with stamping holes; the suspension edge of the spoiler is arc-shaped, and the spoilers are rotatably arranged in the same direction; one end of the spoiler towards the flaring portion is smaller than one end of the spoiler towards the edge of the turbulence portion of the fan, and the connecting edge of the spoiler and the non-punched portion forms a certain included angle with the vertical center line of the turbulence portion.
Furthermore, the body is integrally formed by stamping a galvanized plate, and the stamped body is used as a fan blade.
Furthermore, the connecting edge of the spoiler and the non-stamped part is in a linear shape or an arc shape, and when the connecting edge of the spoiler and the non-stamped part is in an arc shape, the arc diameter of the suspension edge of the spoiler is smaller than the arc diameter of the connecting edge of the spoiler and the non-stamped part.
Furthermore, reinforcing ribs opposite to the stamping direction of the spoiler are stamped and formed between the adjacent stamping holes, a certain included angle is formed between the central axis of each reinforcing rib and the vertical central line of the spoiler, and the reinforcing ribs are rotatably arranged in the same direction.
Furthermore, the mounting part comprises an outer ring part and an inner extending part, wherein the inner extending part is provided with an assembling hole; the outer ring part protrudes towards the inner side of the body, and the spoiler bends towards the outer side of the body; the outer edge of the turbulence part also comprises a bending flanging.
Meanwhile, the invention also provides an installation structure of the metal stamping part, which comprises a shaft sleeve, a left disk, a right disk and the body; the shaft sleeve is provided with a disk mounting part, the left disk and the right disk are oppositely arranged on the disk mounting part of the shaft sleeve, and the inward extending part of the mounting part of the body is clamped between the left disk and the right disk; the right disk, the inward extending part and the left disk are locked with the disk mounting part through self-tapping screws.
Furthermore, the outer wall surface of the disk mounting part is provided with at least one unclosed notch along the axial direction, and a local self-tapping thread is arranged in the notch; the inner wall surface of the left disk, the inner wall surface of the inward extending part and the inner wall surface of the right disk correspond to the notch local self-tapping threads, the other part of the local self-tapping threads are arranged, the two local self-tapping threads form a complete self-tapping threaded hole, and the self-tapping screw is screwed in the self-tapping threaded hole to lock the left disk, the body and the right disk.
Furthermore, the inner wall surface of the left disk, the inner wall surface of the inward extending part and the inner wall surface of the right disk respectively have local self-tapping threads.
Furthermore, the left disk of the invention comprises a left mounting part and a left outward expansion part; a left reinforcing column body is arranged at the left assembling hole of the left installing part, and the extending length of the left reinforcing column body is greater than the wall thickness of the left assembling hole; the right disk comprises a right installation part and a right external expansion part; the right mounting hole of right side installation department has the right side and strengthens the cylinder, the extension length of strengthening the cylinder on the right side is greater than the wall thickness of right mounting hole.
Furthermore, the left external expansion part of the left disk and the right external expansion part of the right disk are arranged at the back; the hole diameter of the self-tapping screw hole is smaller than the outer diameter of the self-tapping screw, and the cross-sectional area of the self-tapping screw hole is larger than half of the cross-sectional area of the screw part of the self-tapping screw.
The invention has the beneficial effects that the defects in the background technology are solved, the spoiler is directly punched on the thinner metal plate by adopting metal punching, an inward-necking spoiler air channel can be formed, external heat flow can be effectively absorbed and dispersed, and the air flow can form certain rotation and enhance the spoiler effect because the connecting edge of the spoiler and the un-punched part forms a certain included angle with the vertical central line of the spoiler;
meanwhile, the punch formed body is clamped between the left mounting part and the right mounting part, and the body is blocked by the right disk and is not easy to fall apart; and when the threads of the disk installation part or the left disk and the right disk partially slide, the left disk, the right disk and the shaft sleeve can be connected and combined by the threads at other positions, so that the shaft sleeve is more stably connected with the left disk, the body and the right disk and is not easy to fall off.
Drawings
FIG. 1 is a schematic structural view of a metal stamping of the present invention;
FIG. 2 is a schematic view of the mounting structure of the metal stamping of the present invention;
FIGS. 3-4 are perspective views of the mounting structure of the present invention;
FIG. 5 is a schematic view of the bushing configuration of the present invention;
in the figure: 1. a shaft sleeve; 2. a left disc; 3. a right disk; 4. a body; 5. self-tapping screws; 11. a disk mounting section; 12. a notch; 21. a left reinforcement column; 31. a right reinforcing column; 41. an installation part; 42. a flared part; 43. a spoiler portion; 44. a spoiler; 45. punching a hole; 46. reinforcing ribs; 47. an outer ring portion; 48. an inner extension portion; 49. and (7) assembling holes.
Detailed Description
The invention will now be described in further detail with reference to the drawings and preferred embodiments. These drawings are simplified schematic diagrams each illustrating the basic structure of the present invention only in a schematic manner, and thus show only the constitution related to the present invention.
The metal stamping part shown in fig. 1 comprises a body 4 which is integrally stamped and formed, the body 4 is integrally stamped and formed by galvanized plates, and the stamped body 4 is used as a fan blade, so that the manufacturing cost is low, and the manufacturing is simple.
The body 4 as the fan blade is provided with an installation part 41, a flared part 42 positioned on the outer edge of the installation part and a spoiler 43 positioned on the outer edge of the flared part, wherein the spoiler 43 comprises a stamped part and an unmapped part, the stamped part is provided with a plurality of spoilers 44 which are stamped and formed into bends with the unmapped part, and stamped holes 45 are formed at the stamped part of the spoilers 44; the suspension limit of spoiler 44 is the arc, spoiler 44 is less than towards the one end of flaring portion spoiler 44 towards the one end at spoiler 43 edge, spoiler 44 and the vertical central line of being connected limit and spoiler 43 that do not punch the portion and being connected form certain contained angle, spoiler 44 be the rotatory setting of same direction. The spoiler arrangement in the form can form a spoiler air duct with an inward closing-in, and can effectively absorb external heat flow and disperse the external heat flow, and because the connecting edge of the spoiler 44 connected with the non-punched part and the vertical central line of the spoiler part form a certain included angle, the air flow can rotate to a certain degree, and the spoiler effect is enhanced, so the spoiler effect of the fan blade during working is better.
The connecting edge of the spoiler 44 connected with the non-stamped part is linear or arc, and when the connecting edge of the spoiler 44 connected with the non-stamped part is arc, the arc diameter of the suspended edge of the spoiler 44 is smaller than that of the connecting edge of the spoiler 44 connected with the non-stamped part, so that stamping is facilitated.
The reinforcing ribs 46 opposite to the spoiler 44 in stamping direction are formed between the adjacent stamping holes 45 in a stamping mode, a certain included angle is formed between the central axis of each reinforcing rib 46 and the vertical center line of each spoiler 43, and the reinforcing ribs 46 are arranged in the same direction in a rotating mode. The reinforcing ribs 46 are provided to further enhance the strength of the fan blade, so that the fan blade is not easily bent or damaged during the rotation process.
The mounting part 41 comprises an outer ring part 47 and an inner extending part 48, and the inner extending part 48 is provided with an assembling hole 49; the outer ring portion 47 protrudes towards the inner side of the body 4, and the spoiler 44 is bent towards the outer side of the body 4, so that the spoiler 44 and the assembling hole 49 are not in the same plane, the fan blade is convenient to assemble, and a spoiler air duct is convenient to form. The outer edge of the turbulent flow part 43 further comprises a bending flanging, so that the strength of the body 4 is further enhanced, and the body 4 is easy to bend.
As shown in fig. 2 to 4, the mounting structure of the body 4 as a fan blade includes a shaft sleeve 1, a left disk 2, a right disk 3 and the body 4 as a fan blade; the shaft sleeve 1 is provided with a disk mounting part 11, the left disk 2 and the right disk 3 are oppositely arranged on the disk mounting part 11 of the shaft sleeve, and an inward extending part 48 of the mounting part of the body 4 is clamped between the left disk 2 and the right disk 3; the right disk 3, the inward extending part 48 and the left disk 2 are locked with the disk mounting part 11 through the tapping screw 5.
The left disk 2 comprises a left installation part and a left external expansion part; a left reinforcing column body 21 is arranged at the left assembling hole of the left mounting part, and the extending length of the left reinforcing column body 21 is greater than the wall thickness of the left assembling hole; the right disk 3 comprises a right installation part and a right external expansion part; a right reinforcing column 31 is arranged at the right assembling hole of the right installing part, and the extending length of the right reinforcing column 31 is greater than the wall thickness of the right assembling hole; the left outward-extending part of the left disk 2 and the right outward-extending part of the right disk 3 are arranged at the back. The left reinforcing column 21 and the right reinforcing column 31 are added, so that on one hand, the strength of the left disk 2 and the right disk 3 at the assembling holes is enhanced, and the assembling holes are not easy to deform. On the other hand, the contact area between the left disk 2 and the right disk 3 and the disk mounting portion 11 is increased, so that the left disk 2 and the right disk 3 are not easily distorted when being vibrated. In addition, the outer wall surface of the left mounting part of the left disk 2 is higher than the outer wall surface of the right mounting part of the right disk 3, and the inner wall surface of the flared part of the body 4 is attached to the outer wall surface of the right flared part; the outer wall surface of the left mounting part of the left disk 2 and the outer wall surface of the mounting part are used as the binding surface of the external belt.
As shown in fig. 5, the outer wall surface of the disk mounting portion 11 is provided with at least one unclosed notch 12 along the axial direction, and a local self-tapping thread is arranged in the notch 12; the other part of the local self-tapping threads are arranged at the positions, corresponding to the notch local self-tapping threads, of the inner wall surface of the left disk 2, the inner wall surface of the inward extending part 48 and the inner wall surface of the right disk 3, the two local self-tapping threads form a complete self-tapping threaded hole, and the self-tapping screw 5 is screwed in the self-tapping threaded hole to lock the left disk 2, the body 4 and the right disk 3. The diameter of the self-tapping screw hole is smaller than the outer diameter of the self-tapping screw 5, and the cross section area of the self-tapping screw hole is larger than half of the cross section area of the screw part of the self-tapping screw 5. When the disk mounting part 11 or part of the threads of the left disk 2 and the right disk 3 has sliding teeth, the left disk 2, the right disk 3 and the shaft sleeve 1 can be connected and combined by the threads at other positions, so that the shaft sleeve 1 is more stably connected with the left disk 2, the body 4 and the right disk 3 and is not easy to fall off; and the body 4 is blocked by the right disc 3 and is not easy to fall apart.
Claims (7)
1. A metal stamping part, its characterized in that: the device comprises a body which is integrally formed by punching, wherein the body is provided with an installation part, a flared part positioned at the outer edge of the installation part and a turbulence part positioned at the outer edge of the flared part, the turbulence part comprises a punched part and a non-punched part, the punched part is provided with a plurality of turbulence sheets which are formed by punching and are bent with the non-punched part, and a punching hole is formed at the punching part of the turbulence sheets; the suspension edge of the spoiler is arc-shaped, and the spoilers are rotatably arranged in the same direction; one end of the spoiler facing the flaring part is smaller than one end of the spoiler facing the edge of the spoiler, and a connecting edge of the spoiler and the non-punched part forms a certain included angle with a vertical center line of the spoiler;
the mounting structure of the metal stamping part comprises a shaft sleeve, a left disc, a right disc and the body; the shaft sleeve is provided with a disk mounting part, the left disk and the right disk are oppositely arranged on the disk mounting part of the shaft sleeve, and the inward extending part of the mounting part of the body is clamped between the left disk and the right disk; the right disk, the inward extending part and the left disk are locked with the disk mounting part through a tapping screw;
the outer wall surface of the disk mounting part is provided with at least one unclosed notch along the axial direction, and a first local self-tapping thread is arranged in the notch; and second local self-tapping threads are respectively arranged on the inner wall surface of the left disk, the inner wall surface of the inward extending part and the inner wall surface of the right disk at positions corresponding to the first local self-tapping threads arranged in the notch, the first local self-tapping threads and the second local self-tapping threads are combined to form a complete self-tapping threaded hole, and the self-tapping screw is screwed in the self-tapping threaded hole to lock the left disk, the body and the right disk.
2. A metal stamping according to claim 1, wherein: the body is formed by integrally stamping a galvanized plate, and the stamped body is used as a fan blade.
3. A metal stamping according to claim 1, wherein: the connecting edge of the spoiler and the non-stamped part is in a linear shape or an arc shape, and when the connecting edge of the spoiler and the non-stamped part is in an arc shape, the arc diameter of the suspension edge of the spoiler is smaller than the arc diameter of the connecting edge of the spoiler and the non-stamped part.
4. A metal stamping according to claim 1, wherein: the punching press is formed with the strengthening rib opposite with spoiler punching press direction between the adjacent punching press hole, the central axis of strengthening rib and the vertical central line of vortex portion form certain contained angle, the strengthening rib be the rotatory setting of same direction.
5. A metal stamping according to claim 1, wherein: the mounting part comprises an outer ring part and an inner extending part, and the inner extending part is provided with an assembling hole; the outer ring part protrudes towards the inner side of the body, and the spoiler bends towards the outer side of the body; the outer edge of the turbulence part also comprises a bending flanging.
6. A metal stamping according to claim 1, wherein: the left disk comprises a left installation part and a left external expansion part; a left reinforcing column body is arranged at the left assembling hole of the left installing part, and the extending length of the left reinforcing column body is greater than the wall thickness of the left assembling hole; the right disk comprises a right mounting part and a right outward expansion part; the right mounting hole of right side installation department has the right side and strengthens the cylinder, the extension length of strengthening the cylinder on the right side is greater than the wall thickness of right mounting hole.
7. A metal stamping according to claim 6, wherein: the left external expansion part of the left disk sheet and the right external expansion part of the right disk sheet are arranged back to back; the diameter of the self-tapping screw hole is smaller than the outer diameter of the self-tapping screw, and the cross-sectional area of the self-tapping screw hole is larger than half of the cross-sectional area of the screw part of the self-tapping screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210929682.9A CN114992158B (en) | 2022-08-04 | 2022-08-04 | Metal stamping part and mounting structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210929682.9A CN114992158B (en) | 2022-08-04 | 2022-08-04 | Metal stamping part and mounting structure thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114992158A CN114992158A (en) | 2022-09-02 |
| CN114992158B true CN114992158B (en) | 2022-10-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210929682.9A Active CN114992158B (en) | 2022-08-04 | 2022-08-04 | Metal stamping part and mounting structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114992158B (en) |
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| EP0350602B1 (en) * | 1988-07-12 | 1993-12-01 | BABCOCK-BSH AKTIENGESELLSCHAFT vormals Büttner-Schilde-Haas AG | Method for welding rotors for ventilators by means of welding robots, |
| CN2890127Y (en) * | 2006-05-12 | 2007-04-18 | 苏州三星电子有限公司 | 3D heat radiation type impeller washing machine |
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| CN206206542U (en) * | 2016-10-25 | 2017-05-31 | 青岛海尔洗衣机有限公司 | A kind of heat radiation belt pulley |
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| CN203283794U (en) * | 2013-05-13 | 2013-11-13 | 信天翁微电子能源（大连）有限公司 | Horizontal transmission line detachable transmission roller wheel and impeller thereof |
| JP6761356B2 (en) * | 2017-01-12 | 2020-09-23 | 中電プラント株式会社 | Centering jig and centering method for rotor blade variable axial fan |
| CN207384203U (en) * | 2017-05-24 | 2018-05-22 | 广东金霸智能科技股份有限公司 | A kind of low pressure cleaner power assembly |
| CN213331610U (en) * | 2020-09-09 | 2021-06-01 | 河南澈蓝环保技术有限公司 | Radiating fan for inhibiting high-frequency noise |
| CN216241384U (en) * | 2021-08-17 | 2022-04-08 | 湖州禾宇科技有限公司 | Detachable motor radiator fan |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0350602B1 (en) * | 1988-07-12 | 1993-12-01 | BABCOCK-BSH AKTIENGESELLSCHAFT vormals Büttner-Schilde-Haas AG | Method for welding rotors for ventilators by means of welding robots, |
| CN2890127Y (en) * | 2006-05-12 | 2007-04-18 | 苏州三星电子有限公司 | 3D heat radiation type impeller washing machine |
| CN201215171Y (en) * | 2008-02-29 | 2009-04-01 | 海尔集团公司 | Split type heat radiation belt pulley |
| CN201547214U (en) * | 2009-10-09 | 2010-08-11 | 海尔集团公司 | Washing machine belt pulley device and washing machine with same |
| DE102014009051A1 (en) * | 2014-06-24 | 2015-12-24 | Tlt-Turbo Gmbh | Impeller for axial fan |
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| CN107663744A (en) * | 2016-07-29 | 2018-02-06 | 无锡小天鹅股份有限公司 | For motor for washer fan blade and there is its rotary drum washing machine |
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| Publication number | Publication date |
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| CN114992158A (en) | 2022-09-02 |
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