CN115383385A - Symmetrical segmental punching lamination welding fixture and positioning method - Google Patents

Symmetrical segmental punching lamination welding fixture and positioning method Download PDF

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Publication number
CN115383385A
CN115383385A CN202211134259.6A CN202211134259A CN115383385A CN 115383385 A CN115383385 A CN 115383385A CN 202211134259 A CN202211134259 A CN 202211134259A CN 115383385 A CN115383385 A CN 115383385A
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CN
China
Prior art keywords
positioning
segmental
positioning key
punching
square groove
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Pending
Application number
CN202211134259.6A
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Chinese (zh)
Inventor
万在京
张博
王月文
宋桀
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Shuguang Aero Electrical Co ltd
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Beijing Shuguang Aero Electrical Co ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Beijing Shuguang Aero Electrical Co ltd filed Critical Beijing Shuguang Aero Electrical Co ltd
Priority to CN202211134259.6A priority Critical patent/CN115383385A/en
Publication of CN115383385A publication Critical patent/CN115383385A/en
Pending legal-status Critical Current

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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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

The invention belongs to the design technology of a laminating welding positioning fixture, and particularly relates to a laminating welding fixture and a positioning method for symmetrical segmental stamped steel. Comprises a base (1), a positioning key (3), a nut (4), 2 gaskets (5), a dummy shaft (6) and a sliding positioning key (7); the positioning key (3) is arranged in a through square groove, the dummy shaft (6) and the sliding positioning key (7) are sequentially arranged in a left vertical face square groove, the gasket (5) is arranged on the positioning shaft of the dummy shaft (6), the fan-shaped punching sheets and the other gasket (5) are sequentially arranged on the positioning shaft of the dummy shaft (6), the combined fan-shaped punching sheets are placed between the positioning key (3) and the sliding positioning key (7) through screwing of the nut (4). The invention solves the problems of clearance fit of the inner hole and the angular direction of a product and general positioning precision of a punching sheet in a clamp. The method is suitable for stacking or welding positioning of the sector groove punching with larger angular positioning of the punching shape.

Description

Symmetrical fan-shaped punching sheet laminating welding fixture and positioning method
Technical Field
The invention belongs to the design technology of a laminating welding positioning fixture, and particularly relates to a laminating welding fixture and a positioning method for symmetrical segmental stamped steel.
Background
At present, the small punching sheet laminating and welding processes are realized by respective operation. The punching sheet (as shown in figure 1) is placed in the inner cavity of the cylinder body which has the same external dimension and is in clearance fit with the inner hole of the product, then the dummy shaft which is in clearance fit with the inner hole of the product is placed, the punching sheet is clamped by a nut on the dummy shaft and then taken out, and then welding is carried out. Is a vertical lamination operation. Because the inner hole and the angular fit of the product are both clearance fit, the positioning precision of the punching sheet in the clamp is general. Effective positioning is not applied to angular positioning, and the requirement on the rotor assembly with high appearance on the punch assembly cannot be met. Affecting the precision of the product.
Disclosure of Invention
The purpose of the invention is as follows: aiming at the technical problems, the welding fixture is designed.
The technical scheme of the invention is as follows: a symmetrical fan-shaped punching lamination welding fixture comprises a base 1, a positioning key 3, a nut 4, 2 gaskets 5, a dummy shaft 6 and a sliding positioning key 7; the base 1 is of a right-angle rectangular structure, the middle part of the left vertical face is provided with a square groove with an upward opening, the bottom surface is provided with a rectangular through square groove, the center line of the through square groove and the center line of the left vertical face square groove are on the same straight line, and the front end of the through square groove is provided with a threaded through hole; the positioning key 3 is arranged in a penetrating square groove, the dummy shaft 6 and the sliding positioning key 7 are sequentially arranged in a left vertical face square groove, the gasket 5 is arranged on the positioning shaft of the dummy shaft 6, the fan-shaped punching sheets and the other gasket 5 are sequentially arranged on the positioning shaft of the dummy shaft 6, the nuts 4 are screwed, and the combined fan-shaped punching sheets are placed between the positioning key 3 and the sliding positioning key 7.
The positioning key 3 and the sliding positioning key 7 are matched with the contact surface of the combined fan-shaped punching sheet.
The positioning key 3 is of a T-shaped structure; the right side of the rectangular table in the middle of the transverse direction is provided with a circular through hole which is consistent with the position of the base 1, and the lower part of the rectangular table in the vertical direction is matched with the rectangular square groove of the base 1.
The upper part of the positioning key 3 is provided with a symmetrical fan-shaped profile matched with the punching sheet fan shape, the size is processed according to the lower difference of an actually measured fan-shaped groove of the punching sheet, and the product assembly is positioned in an angular auxiliary manner.
The positioning key 3 is tightly matched with the through square groove.
The dummy shaft 6 is of a columnar step structure, the large-diameter end is symmetrically processed to be flat, the small-diameter size is in clearance fit with the size of the inner hole of the fan-shaped punching sheet, and the right end is provided with threads to be matched with the nut 4.
The middle piece 7 sliding positioning key is of a step rectangular structure, a symmetrical fan-shaped surface matched with the fan-shaped stamped steel is arranged on a lower small rectangle, and the size of the fan-shaped surface is processed according to the difference of actually measured fan-shaped grooves of the stamped steel, so that accurate angular positioning of the stamped steel component is realized.
The sliding positioning key 7 can move along the vertical surface opening square groove of the base 1.
A symmetrical fan-shaped punching lamination welding fixture positioning method, pack cushion 5, multiple fan-shaped punching, shim 5 into the dummy shaft 6 sequentially, the right side is to be clamped with the nut 4, through the large diameter end flat of the dummy shaft 6 put into the left vertical face square groove of the base 1, fan-shaped groove and positioning key 3 upper portion of one side of fan-shaped punching coincide, put into and slip the positioning key 7 and compress the fan-shaped groove of one side of the product, tighten the nut and compact the fan-shaped punching at the same time, finish the lamination process; the rotation center formed by the positioning key 3 and the dummy shaft 6 after being fixed on the base 1 is matched with the size centers of the upper surface, the lower surface, the left surface and the right surface of the base 1, the welding fixture is turned over for 90 degrees, the welding fixture is positioned and pressed firmly at the fixed position of the welding machine, the welding fixture is overlapped and welded, the welding fixture is turned over for 180 degrees, and the other surface is welded at the existing positioning position of the welding machine.
The combined segmental punching sheet is fixed and unique in position in the clamp.
The invention has the technical effects that: the invention solves the problems of clearance fit of the inner hole and the angular fit of a product and general positioning precision of a punching sheet in the clamp by the designed welding clamp; the method is suitable for laminating or welding positioning of the sector groove punching sheet with larger angular positioning of the punching sheet.
Drawings
FIG. 1 is a schematic view of the shape of a punching sheet and the structure of a component;
FIG. 2 is a schematic structural view of a laminated welding jig;
fig. 3 is a front view of the base 1;
FIG. 4 is a top view of the base 1;
fig. 5 is a front view of the positioning key 3;
fig. 6 is a bottom view of the positioning key 3;
FIG. 7 is a front view of the dummy shaft 6;
FIG. 8 is a left side view of the dummy shaft 6;
fig. 9 is a front view of the gasket 5;
FIG. 10 is a cross-sectional view of the gasket 5;
FIG. 11 is a front view of the slide positioning key 7;
FIG. 12 is a top view of the slide positioning key 7;
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 2-4, a symmetrical segmental punching lamination welding fixture comprises a base 1, a positioning key 3, a nut 4, 2 gaskets 5, a dummy shaft 6 and a sliding positioning key 7; the base 1 is a right-angle rectangular structure, the middle part of the left vertical face is provided with a square groove with an upward opening, the bottom surface is provided with a rectangular through square groove, the central line of the through square groove and the central line of the left vertical face square groove are on the same straight line, and the front end of the through square groove is provided with a threaded through hole; the positioning key 3 is arranged in a through square groove, the dummy shaft 6 and the sliding positioning key 7 are sequentially arranged in a left vertical face square groove, the gasket 5 is arranged on the positioning shaft of the dummy shaft 6, the segmental punching sheets and the other gasket 5 are sequentially arranged on the positioning shaft of the dummy shaft 6, the combined segmental punching sheets are placed between the positioning key 3 and the sliding positioning key 7 through the screwing of the nut 4, and the positioning key 3 and the sliding positioning key 7 are matched with the contact surface of the combined segmental punching sheets; the positioning key 3 is tightly matched with the through square groove.
As shown in fig. 5-6, the upper part of the positioning key 3 is provided with a symmetrical sector-shaped surface matched with a punching sheet sector, the size is processed according to the lower difference of an actually measured sector groove of the punching sheet, and the product assembly is angularly positioned in an auxiliary manner.
The dummy shaft 6 is of a columnar step structure, the large-diameter end is symmetrically processed to be flat, the small-diameter size is in clearance fit with the size of the inner hole of the fan-shaped punching sheet, and the right end is provided with threads to be matched with the nut 4.
As shown in fig. 11-12, the sliding positioning key of the middle part 7 is a step rectangle structure, the lower small rectangle is provided with a symmetrical sector-shaped surface matched with the sector-shaped punching sheet, and the size of the sector-shaped surface is processed according to the difference of actually measured sector-shaped grooves of the punching sheet, so that the accurate angular positioning of the punching sheet assembly is realized. The sliding positioning key 7 can move along the square groove of the vertical surface opening of the base 1.
A symmetrical fan-shaped punching lamination welding fixture positioning method, pack cushion 5, multiple fan-shaped punching, shim 5 into the dummy shaft 6 sequentially, the right side is to be clamped with the nut 4, through the large diameter end flat of the dummy shaft 6 put into the left vertical face square groove of the base 1, fan-shaped groove and positioning key 3 upper portion of one side of fan-shaped punching coincide, put into and slip the positioning key 7 and compress the fan-shaped groove of one side of the product, tighten the nut and compact the fan-shaped punching at the same time, finish the lamination process; the position of the combined segmental stamped steel in the clamp is fixed only; the rotation center formed by the positioning key 3 and the dummy shaft 6 after being fixed on the base 1 is matched with the size centers of the upper surface, the lower surface, the left surface and the right surface of the base 1, the welding fixture is turned over for 90 degrees, the welding fixture is positioned and pressed firmly at the fixed position of the welding machine, the welding fixture is overlapped and welded, the welding fixture is turned over for 180 degrees, and the other surface is welded at the existing positioning position of the welding machine.
The foregoing is only illustrative of the present invention. The present invention will be described in detail, but conventional techniques will not be described in detail. The scope of the present invention is not limited thereto, and any modifications or substitutions that can be easily made by those skilled in the art within the technical scope of the present invention will be covered by the present invention. The protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A symmetrical fan-shaped punching lamination welding fixture is characterized by comprising a base (1), a positioning key (3), a nut (4), 2 gaskets (5), a dummy shaft (6) and a sliding positioning key (7); the base (1) is of a right-angle rectangular body structure, a square groove with an upward opening is formed in the middle of the left vertical surface, a rectangular through square groove is formed in the bottom surface, the center line of the through square groove and the center line of the left vertical surface square groove are on the same straight line, and a threaded through hole is formed in the front end of the through square groove; the positioning key (3) is arranged in the through square groove, the dummy shaft (6) and the sliding positioning key (7) are sequentially arranged in the left vertical face square groove, the gasket (5) is arranged on the positioning shaft of the dummy shaft (6), the fan-shaped punching sheets and the other gasket (5) are sequentially arranged on the positioning shaft of the dummy shaft (6), the fan-shaped punching sheets are screwed through the nut (4), and the combined fan-shaped punching sheets are arranged between the positioning key (3) and the sliding positioning key (7).
2. The laminating welding fixture for the symmetrical segmental laminations according to claim 1, characterized in that a positioning key (3) and a sliding positioning key (7) are matched with a contact surface of the combined segmental laminations.
3. The symmetrical segmental punching lamination welding fixture as claimed in claim 1, wherein the middle positioning key (3) is of a T-shaped structure; the right side of the rectangular table in the middle of the transverse direction is provided with a circular through hole with the same position as the base (1), and the lower part of the rectangular square table in the vertical direction is matched with the rectangular square groove of the base (1).
4. The laminating welding fixture for the symmetric segmental stamped steel as claimed in claim 1, wherein the upper part of the positioning key (3) is provided with a symmetric segmental profile matched with a segment of the stamped steel, the lower difference of an actually measured segmental groove of the stamped steel is processed according to the size, and the product assembly is angularly positioned in an auxiliary manner.
5. The laminating welding fixture for the symmetric segmental punching sheets according to claim 1, wherein the positioning key (3) is tightly matched with the through square groove.
6. The laminating welding fixture for the symmetric segmental laminations according to claim 1, characterized in that the dummy shaft (6) is of a columnar step structure, symmetrical flat parts are machined on a large-diameter end, the small-diameter size is in clearance fit with the size of an inner hole of the segmental laminations, and threads are arranged at the right end of the dummy shaft and are matched with a nut (4).
7. The symmetrical segmental punching laminating welding fixture as claimed in claim 1, wherein the sliding positioning key of the middle piece (7) is of a step rectangular structure, the lower small rectangle is provided with symmetrical segmental surfaces matched with the segmental punching, and the size of the segmental surfaces is processed according to the difference of actually measured segmental grooves of the punching, so that accurate angular positioning of a punching assembly is realized.
8. The symmetrical segmental punching lamination welding fixture as claimed in claim 1, wherein the sliding positioning key (7) can move along the square groove of the vertical opening of the base (1).
9. The positioning method of the symmetrical segmental punching laminating welding fixture according to any one of claims 1 to 8, characterized in that a gasket (5), a segmental punching and the gasket (5) are sequentially arranged in a dummy shaft (6), the right side of the dummy shaft is clamped by a nut (4), the large-diameter end square flat of the dummy shaft (6) is placed in a square groove on the left vertical surface of a base (1), the sector groove on one side of the segmental punching is matched with the upper part of a positioning key (3), then a sliding positioning key (7) is placed to compress the sector groove on one side of a product, and the nut is screwed to compact the segmental punching to complete the laminating process; the positioning key (3) is fixed on the base (1) and forms a rotation center with the dummy shaft (6), the rotation center is matched with the size centers of the upper surface, the lower surface, the left surface and the right surface of the base (1), the welding fixture is turned over for 90 degrees, the positioning and pressing are firmly carried out at the fixed position of the welding machine, the laminating and welding are carried out, the turning is carried out for 180 degrees, and the other surface is welded at the existing positioning position of the welding machine.
10. The method for positioning a symmetrical segmental stamping laminating welding fixture as claimed in claim 9, wherein the combined segmental stamping is fixed only in position in the fixture.
CN202211134259.6A 2022-09-16 2022-09-16 Symmetrical segmental punching lamination welding fixture and positioning method Pending CN115383385A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211134259.6A CN115383385A (en) 2022-09-16 2022-09-16 Symmetrical segmental punching lamination welding fixture and positioning method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211134259.6A CN115383385A (en) 2022-09-16 2022-09-16 Symmetrical segmental punching lamination welding fixture and positioning method

Publications (1)

Publication Number Publication Date
CN115383385A true CN115383385A (en) 2022-11-25

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ID=84126650

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211134259.6A Pending CN115383385A (en) 2022-09-16 2022-09-16 Symmetrical segmental punching lamination welding fixture and positioning method

Country Status (1)

Country Link
CN (1) CN115383385A (en)

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