CN108381092B - Welding jig for fan impeller chassis and blades - Google Patents
Welding jig for fan impeller chassis and blades Download PDFInfo
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- CN108381092B CN108381092B CN201810310733.3A CN201810310733A CN108381092B CN 108381092 B CN108381092 B CN 108381092B CN 201810310733 A CN201810310733 A CN 201810310733A CN 108381092 B CN108381092 B CN 108381092B
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- fan impeller
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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
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a welding jig for a fan impeller chassis and blades, and belongs to the technical field of machinery. The welding precision is not high in the prior art. The welding jig for the fan impeller chassis and the blades comprises a frame, a turntable and clamping pieces, wherein the turntable is axially and fixedly connected to the frame, the clamping pieces are connected to the turntable, the center of the turntable is provided with a positioning part for positioning the chassis, the clamping pieces comprise 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, the cylinder can drive the pressure rod to translate relative to the turntable, and a positioning unit is formed by the base, the cylinder and the pressure rod. The welding jig for the fan impeller chassis and the blades is high in welding precision.
Description
Technical Field
The invention belongs to the technical field of machinery, and relates to a welding jig for a fan impeller chassis and blades.
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 provides a welding jig for a fan impeller chassis and blades, which is accurate in positioning and high in welding efficiency.
The aim of the invention can be achieved by the following technical scheme:
the utility model provides a welding jig of fan impeller chassis and blade, includes frame, carousel and holder, and above-mentioned carousel axial links firmly in the frame, and above-mentioned holder is connected on the carousel, a serial communication port, the carousel center has the location portion that is used for fixing a position the chassis, and above-mentioned holder includes base, cylinder and depression bar, and above-mentioned base links firmly on the carousel, and above-mentioned cylinder links to each other and the cylinder can drive the depression bar and translate for the carousel with the cylinder, and above-mentioned base, cylinder and depression bar form a positioning unit, positioning unit's quantity is a plurality of and circumference equipartition in carousel border department, has the location structure that is used for fixing a position the blade between two adjacent positioning unit.
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 for the fan impeller chassis and the blades, 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 for the fan impeller chassis and the blades, 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 for the fan impeller chassis and the blades, the transition part is a round angle at the outer end of the pressing rod.
In the welding jig for the fan impeller chassis and the blades, the transition part is a chamfer at the outer end of the pressing rod.
Under the action of the transition part, the compression bar cannot be blocked with the chassis in the moving process.
In the welding jig for the fan impeller chassis and the blades, the positioning part is a positioning column protruding out of the center of the turntable.
In the welding jig for the fan impeller chassis and the blades, the positioning column and the turntable are of an integrated structure.
In the welding jig for the fan impeller chassis and the blades, 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 a 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 for the fan impeller chassis and the blades, the first positioning block comprises a V-shaped body, a rod-shaped connecting rod is arranged at the bottom of the V-shaped 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 for the fan impeller chassis and the blades, 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 hinge joint.
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 for the fan impeller chassis and the blades, 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.
Compared with the prior art, the welding jig for the fan impeller chassis and the blades has two functions due to the compression bar: the first one is used for positioning the chassis; and II, the positioning device is used for positioning the blade. Therefore, the jig is compact in structure and high in positioning stability.
Simultaneously, enable a plurality of blades all to fix at the chassis lateral part under the effect of this tool, no longer need extra fixed above-mentioned part in the operator welding process, its welding precision is not only higher, and the operating efficiency is also higher moreover, has very high practical value.
Drawings
Fig. 1 is a schematic perspective view of a welding jig for a chassis and blades of a fan impeller.
Fig. 2 is a schematic diagram of a front view structure of a welding jig for a chassis and blades of a fan impeller.
Fig. 3 is a schematic structural view of the outer end of the pressing rod in the welding jig for the impeller chassis and the blades of the fan.
In the figure, 1, a rack; 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. and (3) a blade.
Detailed Description
As shown in fig. 1, the welding jig for the fan impeller chassis and the blades comprises a frame 1, a turntable 2 and clamping pieces, wherein the turntable 2 is axially and fixedly connected to the frame 1, the clamping pieces are connected to the turntable 2, the center of the turntable 2 is provided with a positioning part 2a for positioning the chassis, the clamping pieces comprise a base 3, a cylinder 4 and a pressure rod 5, the base 3 is fixedly connected to the turntable 2, the cylinder 4 is fixedly connected to the base 3, the pressure rod 5 is connected with the cylinder 4, the cylinder 4 can drive the pressure rod 5 to translate relative to the turntable 2, the base 3, the cylinder 4 and the pressure rod 5 form a positioning unit, the number of the positioning units is a plurality of and circumferentially and uniformly distributed at the edge of the turntable 2, and a positioning structure for positioning the 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.
Claims (7)
1. The utility model provides a welding jig of fan impeller chassis and blade, which comprises a frame, carousel and clamping piece, above-mentioned carousel axial links firmly in the frame, above-mentioned clamping piece is connected on the carousel, a serial communication port, the carousel center has the location portion that is used for the location chassis, above-mentioned clamping piece includes the base, cylinder and depression bar, above-mentioned base links firmly on the carousel, above-mentioned depression bar links to each other with the cylinder and the cylinder can drive the depression bar and translate for the carousel, above-mentioned base, cylinder and depression bar form a location unit, the quantity of location unit is a plurality of and circumference equipartition in carousel border department, have the location structure that is used for locating the blade between two adjacent location units, location structure includes locating piece one and locating piece two, above-mentioned locating piece one articulates in the depression bar outer end department of one of location unit, locating piece two connect in the depression bar lateral part department that is adjacent with another location unit of above-mentioned location unit, have the location notch two that are used for locating blade one end on the locating piece, above-mentioned locating piece one has the location notch two, above-mentioned depression bar one has the location notch two that is used for locating the blade other end, the depression bar, the body that is V-shaped bottom is located the body is located the V-shaped, is located the depression bar is located the body and is located the side face-shaped, is located the connection rod that is located the connection rod is located on the side face-shaped opposite to the side of the body and has the connection rod when the connection rod is located the notch that is located on the side edge, the side joint edge, the connection rod is located on the side of the opposite edge to the side of the body.
2. The jig for welding a fan impeller chassis to a blade according to claim 1, wherein the base has a guide rail, and the pressing rod is connected to the guide rail.
3. The jig for welding a fan impeller chassis to a blade according to claim 2, wherein the outer end of the pressing rod has a smoothly transition portion.
4. The welding jig for a fan impeller chassis and a blade according to claim 3, wherein the transition portion is a rounded corner at the outer end of the pressing rod.
5. The welding jig for a fan impeller chassis and a blade according to claim 3, wherein the transition portion is a chamfer at an outer end of the pressing rod.
6. The fixture for welding a fan impeller chassis and blades according to claim 4, wherein the positioning portion is a positioning column protruding from the center of the turntable.
7. The welding jig for a fan impeller chassis and blades of claim 6, wherein the positioning posts are integrally formed with the turntable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810310733.3A CN108381092B (en) | 2018-04-09 | 2018-04-09 | Welding jig for fan impeller chassis and blades |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810310733.3A CN108381092B (en) | 2018-04-09 | 2018-04-09 | Welding jig for fan impeller chassis and blades |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108381092A CN108381092A (en) | 2018-08-10 |
| CN108381092B true CN108381092B (en) | 2023-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810310733.3A Active CN108381092B (en) | 2018-04-09 | 2018-04-09 | Welding jig for fan impeller chassis and blades |
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| Country | Link |
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| CN (1) | CN108381092B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109262132B (en) * | 2018-11-05 | 2020-08-04 | 中国航空制造技术研究院 | Blisk swing friction welding device and method |
| CN109249120B (en) * | 2018-11-23 | 2020-10-23 | 佛山市固高自动化技术有限公司 | Multi-station full-automatic welding method for machining fan impeller |
| CN109877494B (en) * | 2019-03-25 | 2023-11-17 | 佛山市南海九洲普惠风机有限公司 | Fan blade assembling device |
| CN110900029B (en) * | 2019-12-07 | 2021-06-29 | 湖州师范学院 | Rotor production equipment for air suspension centrifugal compressor |
| CN110948229B (en) * | 2019-12-07 | 2021-01-05 | 湖州师范学院 | Fan blade assembling machine applied to air suspension centrifugal blower |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080114392A (en) * | 2007-06-27 | 2008-12-31 | 삼원기술 주식회사 | Welding worktable |
| CN204934977U (en) * | 2015-08-31 | 2016-01-06 | 上海瓦鲁自动化技术有限公司 | The assembled welding jigs and fixtures of a kind of impeller |
| CN106041395A (en) * | 2016-06-26 | 2016-10-26 | 上海巩睿电气科技有限公司 | Special welding clamp for fan blade |
| CN207036562U (en) * | 2017-08-01 | 2018-02-23 | 江西凯富勤实业发展有限公司 | A kind of impeller coordinates fastness detection means |
| CN208374556U (en) * | 2018-04-09 | 2019-01-15 | 浙江马尔风机有限公司 | The welding fixture on draught fan impeller chassis and blade |
-
2018
- 2018-04-09 CN CN201810310733.3A patent/CN108381092B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080114392A (en) * | 2007-06-27 | 2008-12-31 | 삼원기술 주식회사 | Welding worktable |
| CN204934977U (en) * | 2015-08-31 | 2016-01-06 | 上海瓦鲁自动化技术有限公司 | The assembled welding jigs and fixtures of a kind of impeller |
| CN106041395A (en) * | 2016-06-26 | 2016-10-26 | 上海巩睿电气科技有限公司 | Special welding clamp for fan blade |
| CN207036562U (en) * | 2017-08-01 | 2018-02-23 | 江西凯富勤实业发展有限公司 | A kind of impeller coordinates fastness detection means |
| CN208374556U (en) * | 2018-04-09 | 2019-01-15 | 浙江马尔风机有限公司 | The welding fixture on draught fan impeller chassis and blade |
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| Publication number | Publication date |
|---|---|
| CN108381092A (en) | 2018-08-10 |
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