CN108526784B - Welding jig of fan impeller - Google Patents
Welding jig of fan impeller Download PDFInfo
- Publication number
- CN108526784B CN108526784B CN201810310737.1A CN201810310737A CN108526784B CN 108526784 B CN108526784 B CN 108526784B CN 201810310737 A CN201810310737 A CN 201810310737A CN 108526784 B CN108526784 B CN 108526784B
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- Prior art keywords
- positioning
- frame
- fixedly connected
- disc
- block
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Classifications
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- 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
Abstract
The invention provides a welding jig for a fan impeller, and belongs to the technical field of machinery. It has solved prior art and has had the problem that welding efficiency is low. The welding jig for the fan impeller comprises a frame, wherein one end of the frame is provided with a first driving part and a rotary table, the first driving part is fixedly connected to the frame and is connected with the rotary table, the rotary table is provided with a first positioning mechanism for positioning a fan chassis and blades, the other end of the frame is provided with a second driving part, a positioning plate and a sliding block, the second driving part is fixedly connected to the frame, and the sliding block is connected to the frame and is provided with a guiding structure between the sliding block and the frame. The welding jig of the fan impeller is high in welding efficiency.
Description
Technical Field
The invention belongs to the technical field of machinery, and relates to a welding jig for a fan impeller.
Background
The fan impeller is an important component part in the fan and comprises a base plate, a top plate and blades, wherein the base plate and the top plate are arranged in parallel, the number of the blades is a plurality, the blades are uniformly distributed between the base plate and the top plate, and two sides of the blades are respectively fixedly connected to the base plate and the top plate.
In order to ensure the stability of the connection between the blade and the chassis, the blade is usually welded to the chassis.
However, the existing welding operation is performed by manual work, the welding quality is determined by experience of an operator, and the welding efficiency is low due to the manual operation.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provide a welding jig for a fan impeller, which has high welding precision and a compact structure.
The aim of the invention can be achieved by the following technical scheme: the utility model provides a welding jig of fan impeller, includes the frame, its characterized in that, the one end of frame has driving piece and carousel, and driving piece links firmly in the frame and driving piece links to each other with the carousel, has the positioning mechanism first that is used for location fan chassis and blade on the carousel, and the other end of frame has driving piece two, positioning disk and slider, and driving piece two links firmly in the frame, and the slider is connected in the frame and has guide structure between slider and the frame, and driving piece two can drive the slider translation in the frame under guide structure's effect, and above-mentioned positioning disk axial links firmly on the slider, has the positioning mechanism second that is used for location fan roof-plate on the positioning disk.
The fan impeller comprises a chassis, a top disc and blades positioned between the chassis and the top disc, wherein the chassis and the blades are positioned by a first positioning mechanism, and the top disc is positioned by a second positioning mechanism.
After the parts are installed, the second driving part can drive the sliding block to stably translate along the frame under the action of the guide structure. When the top disk is abutted against the other side of the blade, the bottom disk, the plurality of blades and the top disk are stably abutted together. At this time, the operator can perform the welding operation without additional positioning of the above-mentioned parts.
When one of the blades is welded with the top disk and the bottom disk, the driving piece drives the turntable to rotate. The other blade to be welded is positioned at the welding operation position, so that the welding operation is rapidly performed.
Of course, the positioning disk is axially fixedly connected to the sliding block, and the positioning disk can smoothly rotate relative to the sliding block.
In the welding jig for the fan impeller, a first rotating shaft is fixedly connected to the center of the turntable, the first rotating shaft is axially fixedly connected to one end of the frame, and the first rotating shaft is connected with the first driving piece.
The rotary table can be stably driven to rotate through the first rotary shaft.
In the welding jig of the fan impeller, a second rotating shaft is fixedly connected to the center of the positioning disk, the outer end of the rotating shaft is fixedly connected with the positioning disk, and the second rotating shaft is axially fixedly connected to the sliding block.
The second rotating shaft can enable the positioning disc to rotate smoothly, and of course, the sliding block can drive the positioning disc to move along with the sliding block in the translation process.
In the welding jig of the fan impeller, the guiding structure comprises a sliding rail fixedly connected to the frame, and the sliding block is connected to the sliding rail.
In the welding jig of the fan impeller, the second positioning mechanism comprises a positioning edge protruding out of the outer side of the positioning disc, and the second rotating shaft is connected to the inner side of the positioning disc.
The center of the top disc of the fan impeller is also provided with a through hole which is matched with the positioning edge, and once the top disc is sleeved on the positioning edge, the top disc and the positioning disc can be stably connected together.
In the welding jig of the fan impeller, the first positioning mechanism comprises a turntable and a clamping piece, the turntable is axially and fixedly connected to the frame, the clamping piece is connected to the turntable, the welding jig is characterized in that the center of the turntable is provided with a positioning part for positioning a chassis, the clamping piece comprises a base, an air cylinder and a pressure rod, the base is fixedly connected to the turntable, the air cylinder is fixedly connected to the base, the pressure rod is connected with the air cylinder and can drive the pressure rod to translate relative to the turntable, the base, the air cylinder and the pressure rod form positioning units, the positioning units are distributed at the edges of the turntable in a plurality of circumferential directions, and a positioning structure for positioning blades is arranged between every two adjacent positioning units.
The chassis of the fan impeller is provided with a through hole at the center, and the positioning part in the welding jig is matched with the through hole at the center of the chassis.
The chassis is sleeved at the positioning part, so that the chassis can be stably connected in the jig.
Of course, in the above action, the compression bar is in a contracted state. Once the chassis is connected with the turntable stably, the cylinders act synchronously, so that all the compression bars extend out, and the chassis is tightly pressed between the compression bars and the turntable.
Then, the blade is positioned by a positioning structure between two adjacent positioning units, and the positioned blade is abutted against the chassis.
At this time, the chassis and the plurality of blades are positioned, and at this time, the operator does not need to additionally fix the chassis and the blades during welding.
Of course, after the blades are welded with the chassis, the air cylinder drives the compression bar to retract, so that the fan impeller formed by welding is convenient to detach from the jig.
In the welding jig of the fan impeller, the base is provided with a guide rail, and the compression bar is connected to the guide rail.
The compression bar can be stably translated under the action of the guide rail.
In the welding jig of the fan impeller, the inner end of the pressure rod is connected with the air cylinder, the outer end of the pressure rod can move to be close to the center of the turntable, and the outer end of the pressure rod is provided with a smooth transition part.
In the welding jig of the fan impeller, the transition part is a round corner at the outer end of the pressing rod.
In the welding jig for the fan impeller, the transition part is a chamfer at the outer end of the pressing rod.
In the welding jig for the fan impeller, the transition part is a chamfer at the outer end of the pressing rod.
In the welding jig for the fan impeller, the positioning part is a positioning column protruding from the center of the turntable.
In the welding jig of the fan impeller, the positioning column and the turntable are of an integrated structure.
In the welding jig of the fan impeller, the positioning structure comprises a first positioning block and a second positioning block, the first positioning block is hinged to the outer end of the compression bar of one positioning unit, the second positioning block is connected to the side part of the compression bar of the other positioning unit adjacent to the positioning unit, the first positioning block is provided with a first positioning notch for positioning one end of the blade, and the second positioning block is provided with a second positioning notch for positioning the other end of the blade.
The second positioning block is fixed with one pressing rod, and the first positioning block is hinged with the other adjacent pressing rod. The structure can ensure that the two ends of the blade can be stably positioned by the first positioning block and the second positioning block.
Specifically, one end of the blade is embedded in the first positioning notch, and the other end of the blade is embedded in the second positioning notch. The blade is stably positioned between two adjacent compression bars through the structure.
The first positioning block can slightly swing, so that the connection stability of the blade and the jig can be further guaranteed.
In the welding jig of the fan impeller, the first positioning block comprises a V-shaped body, a rod-shaped connecting rod is arranged at the V-shaped bottom of the body, a concave notch is arranged at the outer end of the pressing rod, a hinge opening with a larger size is arranged at the bottom of the notch, the connecting rod is matched with the hinge opening, the connecting rod is embedded in the hinge opening, and the V-shaped notch of the body forms the first positioning notch.
The connecting rod is matched with the hinging opening, so that the whole positioning block I is stably hinged on the compression bar.
In the welding jig of the fan impeller, the V-shaped port of the body is provided with the blocking edge protruding outwards, and the blocking edge can be abutted against the side part of the compression bar when the connecting rod of the body swings at the hinging port.
The blocking edge has the limiting purpose, namely, the body can only swing in a small range within a set range.
In the welding jig of the fan impeller, the middle part of the pressure bar is provided with a concave positioning groove, the second positioning block is fixedly connected to the positioning groove, and one side of the second positioning notch is flush with the pressure bar.
The connecting block II is embedded in the positioning groove and then firmly connected to the compression bar through the fastening piece.
Drawings
Fig. 1 is a schematic perspective view of a welding jig for a fan impeller.
Fig. 2 is a schematic cross-sectional structure of the welding jig of the fan impeller.
Fig. 3 is a schematic perspective view of a first positioning mechanism in the welding jig for the fan impeller.
Fig. 4 is a schematic diagram of a front view structure of a first positioning mechanism in the welding jig of the fan impeller.
Fig. 5 is a schematic structural view of a press rod in the welding jig of the fan impeller.
In the figure, 1, a rack; 1a, a sliding rail; 2. a turntable; 2a, a positioning part; 3. a base; 3a, a guide rail; 4. a cylinder; 5. a compression bar; 5b, a hinge opening; 5c, positioning grooves; 6. a first positioning block; 6a, a body; 6b, connecting rods; 6c, a blocking edge; 7. a second positioning block; 8. a chassis; 9. a blade; 10. a first driving member; 11. a second driving piece; 12. a slide block; 13. a first rotating shaft; 14. a second rotating shaft; 15. a positioning edge; 16. and (5) positioning the disc.
Detailed Description
As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, a welding jig for a fan impeller comprises a frame, wherein one end of the frame is provided with a first driving part and a rotary table, the first driving part is fixedly connected to the frame and connected with the rotary table, the rotary table is provided with a first positioning mechanism for positioning a fan chassis and blades, the other end of the frame is provided with a second driving part, a positioning disc and a sliding block, the second driving part is fixedly connected to the frame, the sliding block is connected to the frame and provided with a guide structure between the sliding block and the frame, the second driving part can drive the sliding block to translate in the frame under the action of the guide structure, the positioning disc is axially fixedly connected to the sliding block, and the positioning disc is provided with a second positioning mechanism for positioning a fan top disc.
The guide structure comprises a sliding rail fixedly connected to the frame, and the sliding block is connected to the sliding rail.
The second positioning mechanism comprises a positioning edge protruding outside the positioning disc, and the second rotating shaft is connected to the inner side of the positioning disc.
The first positioning mechanism comprises a rotary table 2 and clamping pieces, wherein the rotary table 2 is axially and fixedly connected to the machine frame 1, the clamping pieces are connected to the rotary table 2, the center of the rotary table 2 is provided with a positioning part 2a for positioning a chassis, the clamping pieces comprise a base 3, an air cylinder 4 and a pressure rod 5, the base 3 is fixedly connected to the rotary table 2, the air cylinder 4 is fixedly connected to the base 3, the pressure rod 5 is connected with the air cylinder 4, the air cylinder 4 can drive the pressure rod 5 to translate relative to the rotary table 2, the base 3, the air cylinder 4 and the pressure rod 5 form a positioning unit, the number of the positioning units is a plurality of and circumferentially uniformly distributed at the edge of the rotary table 2, and a positioning structure for positioning blades 9 is arranged between two adjacent positioning units.
The base 3 is provided with a guide rail 3a, and the compression bar 5 is connected to the guide rail 3 a.
The inner end of the pressure rod 5 is connected with the air cylinder 4, the outer end of the pressure rod 5 can move to be close to the center of the turntable 2, and the outer end of the pressure rod 5 is provided with a smooth transition part.
In this embodiment, the transition portion is a rounded corner at the outer end of the compression bar. According to the actual situation, it is also feasible that the transition part is a chamfer at the outer end of the compression bar.
The positioning part is a positioning column protruding from the center of the turntable 2.
The positioning column and the turntable 2 are of an integrated structure.
As shown in fig. 1, 2 and 3, the positioning structure comprises a first positioning block 6 and a second positioning block 7, wherein the first positioning block 6 is hinged at the outer end of the compression bar 5 of one positioning unit, the second positioning block 7 is connected at the side part of the compression bar 5 of the other positioning unit adjacent to the positioning unit, the first positioning block 6 is provided with a first positioning notch for positioning one end of the blade 9, and the second positioning block 7 is provided with a second positioning notch for positioning the other end of the blade 9.
The first positioning block comprises a V-shaped body 6a, a rod-shaped connecting rod 6b is arranged at the V-shaped bottom of the body 6a, a concave notch is arranged at the outer end of the pressing rod 5, a hinge opening 5b with a larger size is arranged at the bottom of the notch, the connecting rod 6b is matched with the hinge opening 5b, the connecting rod 6b is embedded in the hinge opening 5b, and the V-shaped notch of the body 6a forms the first positioning notch.
The v-shaped ports of the body 6a are provided with blocking edges 6c protruding outwards, and the blocking edges 6c can abut against the side parts of the compression bars 5 when the connecting rods 6b of the body 6a swing at the hinging openings 5 b.
The middle part of the compression bar 5 is provided with a concave positioning groove 5c, the second positioning block 7 is fixedly connected to the positioning groove 5c, and one side of the second positioning notch is flush with the compression bar 5.
The chassis of the fan impeller is provided with a through hole at the center, and the positioning part in the welding jig is matched with the through hole at the center of the chassis.
The chassis is sleeved at the positioning part, so that the chassis can be stably connected in the jig.
Of course, in the above action, the compression bar is in a contracted state. Once the chassis is connected with the turntable stably, the cylinders act synchronously, so that all the compression bars extend out, and the chassis is tightly pressed between the compression bars and the turntable.
Then, the blade is positioned by a positioning structure between two adjacent positioning units, and the positioned blade is abutted against the chassis.
At this time, the chassis and the plurality of blades are positioned, and at this time, the operator does not need to additionally fix the chassis and the blades during welding.
Of course, after the blades are welded with the chassis, the air cylinder drives the compression bar to retract, so that the fan impeller formed by welding is convenient to detach from the jig.
Of course, after the blades are welded with the chassis, the air cylinder drives the compression bar to retract, so that the fan impeller formed by welding is convenient to detach from the jig.
After the parts are installed, the second driving part can drive the sliding block to stably translate along the frame under the action of the guide structure. When the top disk is abutted against the other side of the blade, the bottom disk, the plurality of blades and the top disk are stably abutted together. At this time, the operator can perform the welding operation without additional positioning of the above-mentioned parts.
When one of the blades is welded with the top disk and the bottom disk, the driving piece drives the turntable to rotate. The other blade to be welded is positioned at the welding operation position, so that the welding operation is rapidly performed.
Of course, the positioning disk is axially fixedly connected to the sliding block, and the positioning disk can smoothly rotate relative to the sliding block.
Claims (1)
1. The welding jig for the fan impeller comprises a frame, and is characterized in that one end of the frame is provided with a first driving part and a rotary disc, the first driving part is fixedly connected to the frame and is connected with the rotary disc, the rotary disc is provided with a first positioning mechanism for positioning a fan chassis and blades, the other end of the frame is provided with a second driving part, a positioning disc and a sliding block, the second driving part is fixedly connected to the frame, the sliding block is connected to the frame and is provided with a guiding structure between the sliding block and the frame, the second driving part can drive the sliding block to translate on the frame under the action of the guiding structure, the positioning disc is provided with a second positioning mechanism for positioning a fan top disc, the center of the rotary disc is fixedly connected with a first rotating shaft which is axially fixedly connected to one end of the frame and is fixedly connected with the first driving part, the center of the positioning disc is fixedly connected with a second rotating shaft, and the outer end of the rotating shaft is fixedly connected with the positioning disc, the second rotating shaft is axially and fixedly connected to the sliding block, the guiding structure comprises a sliding rail fixedly connected to the frame, the sliding block is connected to the sliding rail, the second positioning mechanism comprises a positioning edge protruding out of the positioning disc, the second rotating shaft is connected to the inner side of the positioning disc, the first positioning mechanism comprises a clamping piece, the clamping piece is connected to the turntable, the center of the turntable is provided with a positioning part for positioning a fan chassis, the clamping piece comprises a base, a cylinder and a pressure rod, the base is fixedly connected to the turntable, the cylinder is fixedly connected to the base, the pressure rod is connected with the cylinder and can drive the pressure rod to translate relative to the turntable, the base, the cylinder and the pressure rod form a positioning unit, the number of the positioning units is a plurality of positioning units which are circumferentially and uniformly distributed at the edge of the turntable, a positioning structure for positioning blades is arranged between two adjacent positioning units, the base is provided with a guide rail, the positioning structure comprises a first positioning block and a second positioning block, wherein the first positioning block is hinged to the outer end of the pressing rod of one positioning unit, the second positioning block is connected to the side part of the pressing rod of the other positioning unit adjacent to the positioning unit, a first positioning notch for positioning one end of the blade is formed in the first positioning block, a second positioning notch for positioning the other end of the blade is formed in the second positioning block, the first positioning block comprises a V-shaped body, a rod-shaped connecting rod is arranged at the V-shaped bottom of the body, a hinge joint is arranged at the outer end of the pressing rod, the connecting rod is matched with the hinge joint, the connecting rod is embedded in the hinge joint, and the V-shaped notch of the body forms the first positioning notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810310737.1A CN108526784B (en) | 2018-04-09 | 2018-04-09 | Welding jig of fan impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810310737.1A CN108526784B (en) | 2018-04-09 | 2018-04-09 | Welding jig of fan impeller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108526784A CN108526784A (en) | 2018-09-14 |
| CN108526784B true CN108526784B (en) | 2023-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810310737.1A Active CN108526784B (en) | 2018-04-09 | 2018-04-09 | Welding jig of fan impeller |
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| CN (1) | CN108526784B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115213521A (en) * | 2022-09-19 | 2022-10-21 | 南通惠尔风机有限公司 | Machining device for fan impeller |
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Also Published As
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|---|---|
| CN108526784A (en) | 2018-09-14 |
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