CN115519281A - Welding tool for support rod of generator stator core - Google Patents
Welding tool for support rod of generator stator core Download PDFInfo
- Publication number
- CN115519281A CN115519281A CN202211116511.0A CN202211116511A CN115519281A CN 115519281 A CN115519281 A CN 115519281A CN 202211116511 A CN202211116511 A CN 202211116511A CN 115519281 A CN115519281 A CN 115519281A
- Authority
- CN
- China
- Prior art keywords
- bottom plate
- stator core
- dabber
- support rod
- end cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000003466 welding Methods 0.000 title claims abstract description 26
- 238000004080 punching Methods 0.000 claims abstract description 25
- 230000000694 effects Effects 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 14
- 238000010030 laminating Methods 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000004804 winding Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 238000003475 lamination Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
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
-
- 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
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a welding tool for a support rod of a generator stator core, and belongs to the field of laminating welding tools for a generator stator core with windings. It includes the bottom plate, the support stick is still installed at the top of bottom plate, the dabber is installed to the intermediate position of bottom plate, the end cover is installed at the top of dabber, install the eccentric shaft on bottom plate and the end cover jointly, the breach has been seted up on one side of dabber, a lateral wall of eccentric shaft inlays through the breach and establishes at the spindle, the straight flute has been seted up on the lateral wall of dabber, it is equipped with towards the piece locating plate to inlay on the straight flute, be equipped with the clearance towards between the lateral wall of piece locating plate and the support stick, be used for installing stator core. According to the stator punching sheet positioning device, the stator punching sheets can be quickly positioned, laminated and welded through the matching design of the eccentric shaft and the punching sheet positioning plate, the matched contact type of an old type tool and the inner wall of the iron core is replaced, the friction collision between the tool and the inner wall of the iron core before and after the welding of the stator iron core is avoided, the service life of the tool is prolonged, and the quality of the inner wall of the iron core is improved.
Description
Technical Field
The invention relates to the field of a lamination welding tool for a stator core with a winding of a generator, in particular to a welding tool for a lamination and support rod of a stator core of a generator.
Background
The six support rods are welded on the stator core to serve as the base, the base is a design method for replacing a cast iron base and is widely applied to small and medium-sized generators, and in the production process, the support rods need to be welded on the iron core at equal intervals, and the error between the center of a circle where the support rods are located and the axis of the iron core needs to be ensured within the tolerance allowable range.
Traditional induction machine stator core's welding carries out the central point with a solid cylinder and fixes a position, because cylinder external diameter can not adjust, and different batches of stator punching hole size always has the fluctuation, and cooperation size between the two must have greatly like this, leads to two circumstances to appear: (1) The punching sheets of the inner holes of the stator core with large gaps are uneven, so that the subsequent processing is influenced, and even the performance of the motor is influenced; (2) The small clearance can affect the speed of placing the piece and taking the piece, thereby affecting the whole processing efficiency.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a generator stator core supports stick welding frock, aims at solving current welding frock and generator and has winding stator core inner wall friction and collision and the iron core welding back, is difficult to take out the problem of frock.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
the utility model provides a generator stator core supports stick welding frock, includes the bottom plate, the support stick is still installed at the top of bottom plate, the dabber is installed to the intermediate position of bottom plate, the end cover is installed at the top of dabber, install the eccentric shaft jointly on bottom plate and the end cover, the breach has been seted up on one side of dabber, a lateral wall of eccentric shaft inlays through the breach and establishes at the spindle, the straight flute has been seted up on the lateral wall of dabber, it is equipped with towards the piece locating plate to inlay on the straight flute, be equipped with the clearance between the lateral wall of piece locating plate and the support stick for install stator core.
As a preferable example, the base is installed at the bottom of the bottom plate, and the outer circle of the mandrel is installed on the base through a bolt after being excessively matched with the inner hole of the bottom plate.
As a preferable example, a hole site fixing ring is fixedly connected to the support rod through a screw.
As preferred example, the support is installed at the top of bottom plate, the top of support is installed and is folded the seat, just fold and press the seat and cooperate with the dabber, the bottom of frame is equipped with the pneumatic cylinder, the output of pneumatic cylinder runs through frame and bottom plate in proper order to be connected with the connecting rod, the top activity of connecting rod is cup jointed on folding the seat to it is fixed through the breach nut.
As a preferable example, the top end of the supporting rod is fixedly provided with a top plate, and the top plate is matched with the top end of the supporting rod in a small diameter mode.
As a preferable example, the eccentric shaft is installed on the bottom plate and the end cover through screws, shaft holes matched with the eccentric shaft are respectively formed in the bottom plate and the end cover, and the end parts of two ends of the eccentric shaft are respectively sleeved on the shaft hole of the bottom plate and the shaft hole of the end cover.
As a preferred example, the spigot on the end cover is matched with the spigot on the mandrel and is arranged on the mandrel.
As a preferred example, a stator punching sheet is arranged inside the mandrel, a groove is formed in the stator punching sheet, and a protrusion matched with the groove is formed in the punching sheet positioning plate.
The invention has the beneficial effects that: according to the stator punching sheet positioning device, the stator punching sheets can be quickly positioned, laminated and welded through the matching design of the eccentric shaft and the punching sheet positioning plate, the matched contact type of an old type tool and the inner wall of the iron core is replaced, the friction collision between the tool and the inner wall of the iron core before and after the welding of the stator iron core is avoided, the service life of the tool is prolonged, and the quality of the inner wall of the iron core is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1 in a vertical direction;
FIG. 3 is a top view of the present invention;
FIG. 4 is a schematic view of the eccentric shaft according to the present invention;
FIG. 5 is a schematic structural view of a punching positioning plate according to the present invention;
FIG. 6 is a schematic view of the structure of the mandrel of the present invention;
in the figure: the punching die comprises a bottom plate 1, a support rod 2, a mandrel 3, an end cover 4, an eccentric shaft 5, a straight groove 6, a punching sheet positioning plate 7, a stator core 8, a machine base 9, a laminated base 10, a hydraulic cylinder 11, a hole site fixing ring 12, a connecting rod 13, a notch nut 14, a top plate 15, a protrusion 16 and a notch 17.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purpose and the efficacy of the invention easy to understand, the invention is further described with reference to the specific drawings.
As shown in fig. 1-6, a welding tool for a support rod of a generator stator core, comprises a base plate 1, a support rod 2 is further installed at the top of the base plate 1, a mandrel 3 is installed at the middle position of the base plate 1, an end cover 4 is installed at the top of the mandrel 3, an eccentric shaft 5 is installed on the base plate 1 and the end cover 4 together, a notch 17 is formed in one side of the mandrel 3, a side wall of the eccentric shaft 5 is embedded on the mandrel 3 through the notch 17, a straight groove 6 is formed in the side wall of the mandrel 3, a punching positioning plate 7 is embedded in the straight groove 6, a gap is formed between the outer side wall of the punching positioning plate 7 and the support rod 2, and the gap is used for installing a stator core 8.
The base 9 is installed to the bottom of bottom plate 1, and after the excircle on the dabber 3 excessively cooperated with the hole on the bottom plate 1, install on the base 9 through the bolt.
The support rod 2 is fixedly connected with a hole site fixing ring 12 through a screw.
The support is installed at the top of bottom plate 1, and the top of support is installed and is folded pressure seat 10, and fold and press seat 10 and dabber 3 to cooperate, and the bottom of frame 9 is equipped with pneumatic cylinder 11, and the output of pneumatic cylinder 11 runs through frame 9 and bottom plate 1 in proper order to be connected with connecting rod 13, and connecting rod 13's top activity is cup jointed on folding pressure seat 10, and fixed through breach nut 14.
The top end of the supporting rod 2 is fixedly provided with a top plate 15, and the top plate 15 is matched with the top end of the supporting rod 2 in a small diameter mode.
The eccentric shaft 5 is installed on the bottom plate 1 and the end cover 4 through screws, shaft holes matched with the eccentric shaft 5 are formed in the bottom plate 1 and the end cover 4 respectively, and the end portions of two ends of the eccentric shaft 5 are sleeved on the shaft hole of the bottom plate 1 and the shaft hole of the end cover 4 respectively.
The spigot on the end cover 4 is matched with the spigot on the mandrel 3 and is arranged on the mandrel 3.
The stator punching sheet is arranged inside the core shaft 3, a groove is formed in the stator punching sheet, and a protrusion 16 matched with the groove is formed in the punching sheet positioning plate 7.
The working principle is as follows: when in use, the method mainly comprises the following steps:
firstly, a certain number of stator punching sheets are placed in the mandrel 3, and the punching sheets are quickly aligned under the action of the punching sheet positioning plate 7; after the stator iron core is aligned, the eccentric shaft 3 is screwed until the positioning of the stator iron core 8 is completed; laying down a laminating seat 10 on the upper surface of the stator core 8, matching the laminating seat with the mandrel 3, starting a hydraulic cylinder 11 after the laminating is finished, and enabling a connecting rod 13 connected with the hydraulic cylinder 11 to move downwards so as to finish the laminating process of the stator core 8; after the laminating process is finished, welding the corresponding groove of the stator core 8; after welding, placing a plurality of support rods 2 (generally 6) into corresponding holes of the bottom plate 1, and completing the matching and positioning of the top plate 15; placing the hole site fixing ring 12, finishing the directional positioning of the hole on the support rod 2 by the generator stator core support rod through the hole site fixing ring 12, and then welding the support rod 2; after welding, the eccentric shaft 3 is screwed, and the positioning of the stator core 8 is cancelled; after the operation is finished, the hydraulic cylinder 11 is started, the connecting rod 13 connected with the hydraulic cylinder 11 moves upwards, and the stator core 8 and the corresponding tool parts can be taken down after the connecting rod reaches the extreme position; the stator core 8 can be easily separated from the tool without friction, so that the quality of the inner wall of the iron core is ensured, and the service life of the tool is prolonged.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a generator stator core supports stick welding frock, includes the bottom plate, the top of bottom plate still installs support stick, its characterized in that: the utility model discloses a stator core, including bottom plate, dabber, bottom plate, end cover, bottom plate and end cover, the dabber is installed to the intermediate position of bottom plate, the end cover is installed at the top of dabber, install the eccentric shaft jointly on bottom plate and the end cover, the breach has been seted up on one side of dabber, a lateral wall of eccentric shaft inlays through the breach and establishes at the spindle, the straight flute has been seted up on the lateral wall of dabber, it is equipped with towards the piece locating plate to inlay on the straight flute, be equipped with the clearance between the lateral wall and the support rod towards the piece locating plate for install stator core.
2. The generator stator core support rod welding tool according to claim 1, characterized in that: the frame is installed to the bottom of bottom plate, after the hole excessive cooperation on excircle on the dabber and the bottom plate, install on the frame through the bolt.
3. The generator stator core support rod welding tool according to claim 1, characterized in that: and the support rod is fixedly connected with a hole site fixing ring through a screw.
4. The generator stator core support rod welding tool according to claim 3, characterized in that: the support is installed at the top of bottom plate, the top of support is installed and is folded the seat, just it cooperatees with the dabber to fold and press the seat, the bottom of frame is equipped with the pneumatic cylinder, the output of pneumatic cylinder runs through frame and bottom plate in proper order to be connected with the connecting rod, the top activity of connecting rod is cup jointed on folding the seat, and is fixed through the breach nut.
5. The generator stator core support rod welding tool according to claim 3, characterized in that: the top end of the supporting rod is fixedly provided with a top plate, and the top plate is matched with the top end of the supporting rod in a small diameter mode.
6. The generator stator core support rod welding tool according to claim 1, characterized in that: the eccentric shaft is installed on the bottom plate and the end cover through screws, shaft holes matched with the eccentric shaft are formed in the bottom plate and the end cover respectively, and the end portions of the two ends of the eccentric shaft are sleeved on the shaft hole of the bottom plate and the shaft hole of the end cover respectively.
7. The generator stator core support rod welding tool of claim 6, characterized in that: and the spigot on the end cover is matched with the spigot on the mandrel and is arranged on the mandrel.
8. The generator stator core support rod welding tool according to claim 1, characterized in that: the stator punching sheet is arranged inside the core shaft, a groove is formed in the stator punching sheet, and a protrusion matched with the groove is formed in the punching sheet positioning plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211116511.0A CN115519281B (en) | 2022-09-14 | 2022-09-14 | Generator stator core support rod welding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211116511.0A CN115519281B (en) | 2022-09-14 | 2022-09-14 | Generator stator core support rod welding tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115519281A true CN115519281A (en) | 2022-12-27 |
| CN115519281B CN115519281B (en) | 2024-09-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211116511.0A Active CN115519281B (en) | 2022-09-14 | 2022-09-14 | Generator stator core support rod welding tool |
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| Country | Link |
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| CN (1) | CN115519281B (en) |
Citations (17)
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| EP2005558A1 (en) * | 2006-03-30 | 2008-12-24 | Clipper Windpower Technology, Inc. | Electric generator for wind and water turbines |
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2022
- 2022-09-14 CN CN202211116511.0A patent/CN115519281B/en active Active
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| Publication number | Publication date |
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| CN115519281B (en) | 2024-09-20 |
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