CN114952154B - Blade shaping mechanism for fan impeller assembly - Google Patents
Blade shaping mechanism for fan impeller assembly Download PDFInfo
- Publication number
- CN114952154B CN114952154B CN202210523505.0A CN202210523505A CN114952154B CN 114952154 B CN114952154 B CN 114952154B CN 202210523505 A CN202210523505 A CN 202210523505A CN 114952154 B CN114952154 B CN 114952154B
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- Prior art keywords
- blade
- shaping
- fan
- nut
- fixing device
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- 238000007493 shaping process Methods 0.000 title claims abstract description 52
- 230000007246 mechanism Effects 0.000 title claims abstract description 35
- 230000005291 magnetic effect Effects 0.000 claims description 21
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 230000005294 ferromagnetic effect Effects 0.000 description 7
- 238000003466 welding Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a fan impeller assembles and uses the shaping mechanism of blade, comprising: a detachable fixing device for fixing on the fan middle plate; the horizontal pushing mechanism is arranged on one side of the detachable fixing device facing the blade and is used for pushing the blade to move; the blade shaping assembly comprises a blade shaping arm and a linear motion driving device, one end of the blade shaping arm is used for clamping the top of a blade, the other end of the blade shaping arm is connected with the linear motion driving device arranged on the detachable fixing device, and the blade shaping assembly is used for shaping to enable the blade to be perpendicular to the middle disc surface of the fan.
Description
Technical Field
The invention relates to the technical field of centrifugal fan impellers, in particular to a blade shaping mechanism for fan impeller assembly.
Background
In the existing centrifugal fan impeller, the blade needs to be shaped and processed, because the arc of the blade in the centrifugal fan is bent manually, the blade inevitably has manufacturing errors, (see figure 1) in the existing centrifugal fan manufacture, the blade 1 needs to be shaped, a worker firstly welds two auxiliary top plates 11 at proper positions of a fan middle plate 10, then the blade 1 is jacked to the correct positions by means of jacks 12, the requirement of the perpendicularity of the blade 1 and the fan middle plate 10 is ensured, a pull rod 13 is welded between the fan middle plate 10 and the upper part of the blade 1, the perpendicularity of the blade 1 and the fan middle plate 10 is ensured by adjusting the length of the pull rod 13, after the shape and the position of the blade 1 are adjusted, the worker performs spot welding fixation on the blade 1 and the fan middle plate 10, then grinds out two auxiliary top plates 11 and the welding joint between the pull rod 13 and the fan by using a grinder, then the shaping is moved to the position required by the next position, the same blade needs to repeat the action for several times, time and labor is consumed, the efficiency is quite low, the welding scar causes the surface of the impeller to be uneven, the whole impeller is influenced, and the labor intensity is high.
Disclosure of Invention
The invention aims to solve the problems and the defects of the prior art and provide a blade shaping mechanism for assembling a fan impeller.
The technical problems solved by the invention can be realized by adopting the following technical scheme:
blade plastic mechanism for fan wheel is assembled includes:
A detachable fixing device for fixing on the fan middle plate;
The horizontal pushing mechanism is arranged on one side of the detachable fixing device facing the blade and is used for pushing the blade to move;
The blade shaping assembly comprises a blade shaping arm and a linear motion driving device, one end of the blade shaping arm is used for clamping the top of a blade, the other end of the blade shaping arm is connected with the linear motion driving device arranged on the detachable fixing device, and the blade shaping assembly is used for shaping to enable the blade to be perpendicular to the middle disc surface of the fan.
In a preferred embodiment of the invention, one end of the blade shaping arm is provided with a blade clamping block.
In a preferred embodiment of the invention, the linear motion drive comprises a lead screw nut drive.
In a preferred embodiment of the present invention, the screw-nut driving device includes a nut guide block provided on the detachable fixing device, a nut slidably provided on the nut guide block, a screw engaged with the nut, and the other end of the blade shaping arm is hinged with the nut.
In a preferred embodiment of the invention, the blade shaping assembly comprises two blade shaping assemblies which are symmetrically arranged at two sides of the detachable fixing device.
In a preferred embodiment of the invention, the detachable fixing means comprises a ferromagnetic chuck.
In a preferred embodiment of the present invention, an outer casing is disposed on the outer periphery of the ferromagnetic chuck, the outer casing and the ferromagnetic chuck are mutually limited in a horizontal direction so that the two cannot be displaced relatively in the horizontal direction, and the horizontal pushing mechanism and the linear motion driving device are disposed on the outer casing.
In a preferred embodiment of the invention, the bottom of the outer shell is provided with a resistance increasing tooth surface, and the top of the strong magnetic sucker is provided with a pressing mechanism for pressing the outer shell.
In a preferred embodiment of the invention, the profile of the resistance increasing tooth surface runs counter to the pushing direction of the horizontal pushing mechanism.
In a preferred embodiment of the invention, the pressing mechanism comprises a cover plate fixed on the top of the strong magnetic chuck, a rotating shaft is arranged on the cover plate, and two ends of the rotating shaft are respectively connected with an eccentric wheel pressed on the outer shell.
In a preferred embodiment of the invention, the cover plate is connected with the top of the side edge of the outer shell through a contour pull rod bolt, a gap is reserved between the lower part of the bolt head of the contour pull rod bolt and the upper surface of the cover plate, and a yielding groove for the handle of the strong magnetic chuck to extend out is arranged on the side part of the outer shell.
In a preferred embodiment of the invention, the horizontal pushing mechanism comprises a jack.
Due to the adoption of the technical scheme, the invention has the beneficial effects that: the high-intensity magnetic chuck is quickly attracted on the fan middle disc, the eccentric wheel is quickly pressed on the outer shell, the bottom resistance-increasing tooth surface of the outer shell is used for increasing horizontal resistance, the blade clamping block is quickly fixed on the top of the blade through a bolt, the nut is enabled to do front-back linear motion through rotating the screw rod, the perpendicularity between the blade and the fan middle disc is quickly adjusted, the shape of the blade is quickly adjusted through the horizontal pushing mechanism, the operation of the high-intensity magnetic chuck is free of damage to the surface of the impeller, the production efficiency and the product quality are improved, and the labor intensity of workers is relieved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a prior art structure.
Fig. 2 is one of the perspective views of the present invention.
Fig. 3 is a second perspective view of the present invention.
FIG. 4 is a third perspective view of the present invention.
Fig. 5 is a cross-sectional view of the present invention.
Fig. 6 is an exploded view of the blade shaping assembly of the present invention.
Fig. 7 is an exploded view of the removable fixture of the present invention.
Fig. 8 is a state of use diagram of the present invention.
Detailed Description
The invention is further described below in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the implementation of the invention easy to understand.
Referring to fig. 2 to 8, the blade shaping mechanism for fan wheel assembly includes a detachable fixing device 100, a horizontal pushing mechanism 200, and a blade shaping assembly 300.
The removable fixture 100 is configured to be secured to the fan tray 10. Specifically, the detachable fixing device 100 can be stably fixed on the fan middle tray 10, and also can be detached, and can be fixed at other positions on the fan middle tray 10 according to different shaping requirements so as to meet different requirements.
The horizontal pushing mechanism 200 is disposed on a side of the detachable fixing device 100 facing the blade 1, so that the horizontal pushing mechanism 200 is used to push the blade 1 to move.
At least one blade shaping assembly 300 provided on the detachable fixing device 100, the blade shaping assembly 300 including a blade shaping arm 310 and a linear motion driving device 320, one end of the blade shaping arm 310 being used to clamp the top of the blade 1, the other end of the blade shaping arm 310 being connected to the linear motion driving device 320 provided on the detachable fixing device 100, the blade shaping assembly 300 being used to shape the blade 1 so that the blade 1 is perpendicular to the face of the fan middle plate 10. The blade shaping assembly 300 in this embodiment includes two blade shaping assemblies symmetrically disposed on two sides of the detachable fixing device 100.
One end of the blade shaping arm 310 is provided with a blade clamping block 311. Be provided with first recess 311a and second recess 311b on the blade clamping piece 311 respectively, the first recess 311a of blade clamping piece 311 passes through the connecting pin and articulates with the one end of blade plastic arm 310, is provided with locking bolt 312 on the second recess 311b of blade clamping piece 311, and this locking bolt 312 is used for the top of fixed blade 1 and can also adjust the thickness of adaptation different blades 1.
The linear motion driving device 320 includes a screw-nut driving device including a nut guide block 321 provided on the detachable fixing device 100, a nut 322 slidably provided on the nut guide block 321, and a screw 323 engaged with the nut 322, and the other end of the blade shaping arm 310 is hinged to the nut 322. Specifically, the nut guide block 321 is composed of a guide plate 321a and a fixing block 321b, holes are respectively formed in the guide plate 321a and the fixing block 321b, bolts pass through the holes in the guide plate 321a and the fixing block 321b to fix the nut guide block 321 on the side of the detachable fixing device 100, and a guide waist-shaped groove 321c for sliding the nut 322 is further formed in the nut guide block 321. The middle part of the nut 322 is provided with a through hole 322a for the lead screw 323 to pass through, the top of the nut 322 is provided with a U-shaped groove 322b, the U-shaped groove 322b is hinged with the other end of the blade shaping arm 310 through a connecting pin, and an extension part 322c at one side of the nut 322 is matched with the guide waist groove 321c, so that the nut 322 can do front-back linear motion on the guide waist groove 321c. The screw 323 is provided with annular grooves 323a, the annular grooves 323a are clamped at two sides of one of the fixed blocks 321b, the screw 323 cannot axially move due to the limitation of the annular grooves 323a when the screw 323 rotates, but the movement trend of the screw 323 can drive the nut 322 matched with the screw 323 to linearly and axially move, so that the nut 322 can linearly move back and forth on the guide waist-shaped groove 321c.
The detachable fixing device 100 includes a ferromagnetic chuck 110, an outer housing 120 is disposed on the outer periphery of the ferromagnetic chuck 110 in this embodiment, and the outer housing 120 and the ferromagnetic chuck 110 are mutually limited in a horizontal direction so that the two cannot undergo relative displacement in the horizontal direction, and a horizontal pushing mechanism 200 and a linear motion driving device 320 are disposed on the outer housing 120. When needs are fixed in fan middle plate 10 with dismantling fixing device 100, the direct actuation of accessible strong magnetic chuck 110 reaches the fixed action on fan middle plate 10, and when fixing the additional position on fan middle plate 10 according to different plastic requirements, can dismantle strong magnetic chuck 110 on fan middle plate 10 directly, and this strong magnetic chuck 110's advantage lies in can not wearing and tearing to the surface of fan middle plate 10 when strong magnetic chuck dismantle the change position thereby lead to secondary treatment. In the prior art, when the welding is welded on the fan middle disc 10 and the fan middle disc 10 needs to be removed at a replacement position, welding marks are left on the surface of the fan middle disc 10, so that secondary treatment is needed, and the time and the labor are consumed.
The bottom of the outer housing 120 is provided with a resistance increasing tooth surface 120a, and the top of the strong magnetic chuck 110 is provided with a hold-down mechanism 130 for the press outer housing 120. The tooth profile of the resistance increasing tooth surface 120a in the present embodiment is opposite to the pushing direction of the horizontal pushing mechanism 200. When the horizontal pushing mechanism 200 pushes the blade 1, under the reaction force of the blade 1, the outer housing 120 has a movement trend away from the blade 1, and the direction of the friction force applied to the bottom of the outer housing 120 is exactly opposite to the tooth profile of the resistance increasing tooth surface 120a, so that the stability of the outer housing 120 fixed on the fan middle disk 10 is greatly increased.
The pressing mechanism 130 comprises a cover plate 131 fixed on the top of the strong magnetic chuck 110, a rotating shaft 132 is arranged on the cover plate 131, and two ends of the rotating shaft 132 are respectively connected with an eccentric wheel 133 pressed on the outer shell 120. The cover plate 131 in this embodiment is connected to the top of the side of the outer housing 120 through a contour tie bolt 10a, a gap is provided between the lower surface of the bolt head of the contour tie bolt 10a and the upper surface of the cover plate 131, and a relief groove 121 is provided on the side of the outer housing 120 for the handle 110a of the ferromagnetic chuck 110 to extend. Specifically, the strong magnetic chuck 110 is connected with the cover plate 131 through four locking bolts 20, so that the strong magnetic chuck 110 is fixed on the lower surface of the cover plate 131, and the cover plate 131 is connected with the outer shell 120 through four equal-height pull rod bolts 10a but not locked.
The horizontal pushing mechanism 200 comprises a jack 210, the jack 210 is fixedly connected with the outer shell 120 through a fixing ring 220, friction lines 211 are arranged on the surface, close to the blade 1, of the forefront end of the jack 210, the friction lines 211 can prevent slipping when the blade 1 is pushed, and a jack handle 212 is further arranged on one side of the jack 210.
The working principle of the invention is as follows:
The blade 1 and the middle fan disk 10 are firstly fixed by spot welding near the outer part of the circumference, then the detachable fixing device 100 is placed at a proper position of the middle fan disk 1, the strong magnetic chuck 110 is attracted on the middle fan disk 10, the strong magnetic chuck 110 is attracted with the middle fan disk 10, then the eccentric wheel 133 is rotated to tightly attach the resistance increasing tooth surface 120a at the bottom of the outer shell 120 with the middle fan disk 10, so as to increase the whole horizontal friction force, according to the actual situation, the jack handle 212 of the jack 210 is rotated, the blade 1 is jacked to a proper position, the blade 1 and the middle fan disk 10 are fixed by spot welding locally, the screw 323 is rotated manually, the second groove 311b of the blade clamping block 311 can be clamped at the top of the blade 1, the locking bolt 312 on the second groove 311b of the blade clamping block 311 is locked by a wrench, the blade clamping block 311 is tightly fixed with the top of the blade 1, the screw 323 is rotated by a wrench according to the actual situation, the blade 1 is adjusted to be perpendicular to the surface of the middle fan disk 10, the joint part of the blade 1 and finally the joint part of the blade 1 and the middle fan disk 10 is properly welded, and finally the action of the locking bolt 311 is repeated by loosening the second groove 311b of the blade clamping block and the eccentric wheel.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. Blade plastic mechanism for fan wheel is assembled, its characterized in that includes:
The detachable fixing device comprises a strong magnetic chuck, wherein the periphery of the strong magnetic chuck is provided with an outer shell, and the outer shell and the strong magnetic chuck are mutually limited in the horizontal direction so that the two cannot generate relative displacement in the horizontal direction;
The horizontal pushing mechanism is arranged on one side of the detachable fixing device facing the blade and used for pushing the blade to move, and the horizontal pushing mechanism comprises a jack; the jack is fixedly connected with the outer shell through a fixing ring, friction lines are arranged on one surface, close to the blade, of the foremost end of the jack, and the friction lines can prevent slipping when the blade is pushed;
The blade shaping assembly comprises a blade shaping arm and a linear motion driving device, one end of the blade shaping arm is used for clamping the top of the blade, the other end of the blade shaping arm is connected with the linear motion driving device arranged on the detachable fixing device, and the blade shaping assembly is used for shaping the blade to be perpendicular to the middle disc surface of the fan; one end of the blade shaping arm is provided with a blade clamping block; the blade clamping block is respectively provided with a first groove and a second groove, the first groove of the blade clamping block is hinged with one end of the blade shaping arm through a connecting pin, the second groove of the blade clamping block is provided with a locking bolt which is used for fixing the top of the blade and can also adjust the thickness of the blade to adapt to different blades; the linear motion driving device comprises a screw-nut driving device, the screw-nut driving device comprises a nut guide block arranged on the detachable fixing device, a nut arranged on the nut guide block in a sliding manner and a screw rod matched with the nut, and the other end of the blade shaping arm is hinged with the nut.
2. The blade shaping mechanism for assembling a fan impeller according to claim 1, comprising two blade shaping assemblies symmetrically disposed on both sides of the detachable fixing device.
3. The fan impeller assembly blade shaping mechanism of claim 2, wherein the bottom of the outer housing is provided with a resistance-increasing tooth surface, and the top of the strong magnetic chuck is provided with a pressing mechanism for pressing the outer housing.
4. The fan blade shaping mechanism for assembling fan blade wheel according to claim 3, wherein the tooth profile of the resistance increasing tooth surface is opposite to the pushing direction of the horizontal pushing mechanism.
5. The blade shaping mechanism for assembling a fan impeller according to claim 4, wherein the compressing mechanism comprises a cover plate fixed on the top of the strong magnetic chuck, a rotating shaft is arranged on the cover plate, two ends of the rotating shaft are respectively connected with an eccentric wheel, and the eccentric wheels are compressed on the outer shell.
6. The blade shaping mechanism for assembling a fan impeller according to claim 5, wherein the cover plate is connected with the top of the side edge of the outer shell through a constant-height pull rod bolt, a gap is formed between the lower surface of the bolt head of the constant-height pull rod bolt and the upper surface of the cover plate, and a relief groove for extending out of the handle of the strong magnetic chuck is formed in the side portion of the outer shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210523505.0A CN114952154B (en) | 2022-05-13 | 2022-05-13 | Blade shaping mechanism for fan impeller assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210523505.0A CN114952154B (en) | 2022-05-13 | 2022-05-13 | Blade shaping mechanism for fan impeller assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114952154A CN114952154A (en) | 2022-08-30 |
| CN114952154B true CN114952154B (en) | 2024-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210523505.0A Active CN114952154B (en) | 2022-05-13 | 2022-05-13 | Blade shaping mechanism for fan impeller assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114952154B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105171631A (en) * | 2015-09-29 | 2015-12-23 | 郑州丰宏机械设备科技有限公司 | Fully-automatic multi-blade wheel molding machine |
| CN107617837A (en) * | 2017-10-13 | 2018-01-23 | 浙江顺得机械有限公司 | Tractor bracket welding equipment |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001041194A (en) * | 1999-07-30 | 2001-02-13 | Toyo Kinzoku Kk | Manufacture of impeller |
| CN108465936B (en) * | 2018-05-04 | 2023-07-14 | 苏州迅镭激光科技有限公司 | Impeller automatic assembly welding mechanism |
| CN110052925A (en) * | 2019-05-30 | 2019-07-26 | 南京赛达机械制造有限公司 | A kind of turbine Blade Machining platform |
| CN111558591A (en) * | 2020-06-02 | 2020-08-21 | 盐城工业职业技术学院 | Fixing clamp for cleaning turbine blade and operation method thereof |
| CN112170551B (en) * | 2020-09-08 | 2021-09-14 | 上海瑞晨环保科技股份有限公司 | Automatic shaping mechanism for front disc of large fan impeller |
| CN113399918A (en) * | 2021-07-28 | 2021-09-17 | 湖南金诺动力设备制造有限公司 | High-precision welding tool device for high-end axial flow fan impeller |
-
2022
- 2022-05-13 CN CN202210523505.0A patent/CN114952154B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105171631A (en) * | 2015-09-29 | 2015-12-23 | 郑州丰宏机械设备科技有限公司 | Fully-automatic multi-blade wheel molding machine |
| CN107617837A (en) * | 2017-10-13 | 2018-01-23 | 浙江顺得机械有限公司 | Tractor bracket welding equipment |
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| Publication number | Publication date |
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| CN114952154A (en) | 2022-08-30 |
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