CN210115638U - Welding fixture for annular array blade guider - Google Patents
Welding fixture for annular array blade guider Download PDFInfo
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- CN210115638U CN210115638U CN201920889732.9U CN201920889732U CN210115638U CN 210115638 U CN210115638 U CN 210115638U CN 201920889732 U CN201920889732 U CN 201920889732U CN 210115638 U CN210115638 U CN 210115638U
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Abstract
The utility model relates to an annular array blade director welding jig, including the circular shape anchor clamps main part, the side of anchor clamps main part is equipped with a plurality of side fixed parts, the anchor clamps main part is equipped with the welding mouth, annular array blade director welding jig still includes a plurality of holding down plates, the holding down plate is located the outside of welding mouth, the back of holding down plate is equipped with holding down plate fastening bolt, annular array blade director welding jig still includes a plurality of top plates, the top plate is located the front of anchor clamps main part, every side fixed part is equipped with a plurality of side direction clamp bolt fixed blocks, the side direction clamp bolt fixed block is located the front of side fixed part, the side direction clamp bolt fixed block is equipped with side direction clamp bolt, annular array blade director welding jig still includes a plurality of ejecting bolts, ejecting bolt is located the reverse side of anchor clamps main part. The utility model discloses can accomplish annular array blade director blank and weld preceding orthopedic, location, fixed, correct the stress deformation of part blank self, prevent to produce dislocation, deformation in the welding process.
Description
Technical Field
The utility model relates to a laser election district melts additive manufacturing field, especially relates to annular array blade director welding jig.
Background
The annular array blade guider of the aero-engine is complex in structure, the requirements of a high-temperature high-pressure use environment on the mechanical property of the annular array blade guider are high, and the problems of high manufacturing difficulty, long period, low yield, poor mechanical property and the like exist in the traditional casting process. The difficulty can be solved by adopting a selective laser melting additive manufacturing process, but the forming size of the process is limited, and only a method of welding and combining after sectional forming can be adopted. And after the sectional part blank is melted and formed in the laser selection area, the support needs to be taken down and removed from the substrate, stress deformation can occur, combination welding is hindered, the stress deformation cannot be corrected, the part is unqualified after being welded, in addition, dislocation and deformation can be caused in the welding process, shrinkage can be generated after welding, and the part cannot meet the requirements of various dimensional accuracy.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an annular array blade director welding jig can accomplish annular array blade director blank and weld preceding orthopedic, location, fixed, corrects the stress deformation of part blank self, prevents to produce dislocation, deformation in the welding process.
The utility model discloses a following technical scheme realizes above-mentioned purpose: a welding fixture for an annular array blade guider comprises a circular fixture main body, wherein a plurality of side fixing parts protruding along the thickness direction of the fixture main body are arranged on the side surface of the fixture main body, the fixture main body is provided with a welding port, the welding fixture for the annular array blade guider further comprises a plurality of lower pressing plates, the lower pressing plates are positioned on the outer sides of the welding port, lower pressing plate fastening bolts are arranged on the back surfaces of the lower pressing plates, the welding fixture for the annular array blade guider further comprises a plurality of upper pressing plates, the upper pressing plates are positioned on the front surface of the fixture main body, the upper pressing plates are connected with the fixture main body through upper pressing plate fastening nuts and upper pressing plate fastening bolts, a plurality of lateral pressing bolt fixing blocks are arranged on each side fixing part, the lateral pressing bolt fixing blocks are positioned on the front surface of the side fixing parts, and the lateral pressing bolt fixing blocks are square blocks with, the welding fixture for the annular array blade guider further comprises a plurality of ejection bolts, and the ejection bolts are located on the reverse side of the fixture main body.
Furthermore, there are three welding mouths, three welding mouths are distributed along the circumference at equal angles, and the welding mouths are U-shaped.
Further, the number of the side fixing parts is three.
Furthermore, the number of the lower pressing plates is three, and the three lower pressing plates are distributed at equal angles along the circumference.
Furthermore, the three lower pressing plates and the three side fixing parts are arranged at intervals.
Further, the upper pressure plate is wedge-shaped.
Compared with the prior art, the utility model discloses annular array blade director welding jig's beneficial effect is: the annular array blade guider blank can be shaped, positioned and fixed before welding, the stress deformation of the part blank is corrected, the dislocation and the deformation are prevented in the welding process, meanwhile, the annular array blade guider welding fixture also has the function of resisting the shrinkage of the part after welding, and the whole part obtained after combined welding meets the requirement of size precision. In addition, after welding, the part is completely attached to the clamp, so that the part is difficult to take out. The lateral compression bolts and the ejection bolts are made of aluminum bolts with low hardness, so that parts are prevented from being damaged by jacking, and all bolt nuts are in standard sizes and are convenient to replace.
Drawings
FIG. 1 is a schematic front view of an annular array vane director welding fixture.
FIG. 2 is a schematic reverse side view of an annular array vane director welding fixture.
In the figure, 1, a clamp body, 2, a lower pressing plate, 3, an upper pressing plate, 4, an ejection bolt, 5, a segmented part blank, 11, a side fixing part, 12, a welding port, 13, a lateral pressing bolt fixing block, 14, a lateral pressing bolt, 21, a lower pressing plate fastening bolt, 31, an upper pressing plate fastening nut, 32 and an upper pressing plate fastening bolt.
Detailed Description
Referring to fig. 1 to 2, a welding jig for a circular array blade guide includes a circular jig main body 1, three side fixing portions 11 protruding in a thickness direction of the jig main body are disposed on a side of the jig main body, the jig main body 1 is disposed with three welding ports 12, the three welding ports 12 are distributed at equal angles along a circumference, and the welding ports 12 are U-shaped.
Annular array blade director welding jig still includes three holding down plate 2, and three holding down plate 2 is along the equal angular distribution of circumference, and three holding down plate 2 is located the outside of three welding mouth 12 respectively. The back of the lower press plate 2 is provided with four lower press plate fastening bolts 21, and the length direction of the lower press plate fastening bolts 21 is consistent with the thickness direction of the clamp body. The three lower press plates 2 are spaced apart from the three side fixing portions 11.
The welding fixture for the annular array blade guider further comprises nine upper pressing plates 3, the upper pressing plates 3 are located on the front face of the fixture main body 1, and the upper pressing plates 3 are connected with the fixture main body 1 through upper pressing plate fastening nuts 31 and upper pressing plate fastening bolts 32. The upper platen fastening bolt 32 has a length direction coincident with the thickness direction of the jig main body. The upper press plate 3 is wedge-shaped.
Each side fixing portion 11 is provided with four lateral compression bolt fixing blocks 13, the four lateral compression bolt fixing blocks 13 are distributed at equal angles, the lateral compression bolt fixing blocks 13 are located on the front face of the side fixing portion 11, the lateral compression bolt fixing blocks 13 are square blocks with threaded holes (not shown), lateral compression bolts 14 are arranged in the threaded holes (not shown), and the length directions of the lateral compression bolts 14 are perpendicular to the thickness direction of the clamp body.
The annular array blade guider welding clamp further comprises nine ejection bolts 4, the ejection bolts 4 are located on the reverse side of the clamp body 1, and the length direction of the ejection bolts 4 is consistent with the thickness direction of the clamp body. The ejector bolts 4 are in contact with the reverse side of the segmented part blank 5.
The utility model discloses a theory of operation does: the sectional part blank is placed on the clamp main body, and the surface of the sectional part blank, which is attached to the clamp main body, is a machined clamping reference surface. Three lower pressing plates are assembled on the clamp main body by using the lower pressing plate fastening bolts, and then nine upper pressing plates are assembled on the clamp main body by using the upper pressing plate fastening bolts and the upper pressing plate fastening nuts. At the moment, the upper pressure plate fastening bolt and the upper pressure plate fastening nut are screwed, the segmented part blank is tightly pressed on the clamp main body and the lower pressure plate, the longitudinal warping deformation of the segmented part blank is corrected, and meanwhile, the segmented part blank is preliminarily fixed. Then the lateral compression bolt is screwed down, the segmented part blank is compressed on the clamp main body from the lateral direction, the lateral opening deformation of the segmented part blank is corrected, and meanwhile, the segmented part blank is completely attached to the clamp main body and is completely fixed. And the positions of the three welding openings correspond to the welding positions of the segmented part blank, and the three welding positions are fixed by spot welding through argon tungsten-arc welding. And after spot welding and fixing, taking down the three lower pressing plates, and welding the segmented part blank to obtain the whole part. And loosening the lateral compression bolts after welding, loosening the upper pressure plate fastening bolts and the upper pressure plate fastening nuts, taking down the upper pressure plate, and finally uniformly ejecting the whole part through the ejection bolts.
The utility model has the advantages of it is following:
(1) the longitudinal buckling deformation of the segmented part blank is corrected through the upper pressing plate, the clamp main body and the lower pressing plate, and meanwhile, the segmented part blank is preliminarily fixed, so that the segmented part blank is prevented from moving along with the lateral pressing bolt when the lateral pressing bolt is screwed; (2) the sectional part blank is pressed on the clamp main body from the side direction through a side direction pressing bolt, and the side direction opening deformation of the sectional part blank is corrected, so that the sectional part blank is completely attached to and completely fixed with the clamp main body, and dislocation and deformation in the welding process are prevented; (3) the lower pressing plate is taken down after spot welding, the segmented part blank still keeps the positioning position and the fixing state after the lower pressing plate is taken down through spot welding, and the lower pressing plate is taken down so that the subsequent welding cannot be hindered by the lower pressing plate; (4) when the whole part is taken down, the ejection bolts are uniformly screwed down, so that the whole part is prevented from being damaged by jacking and tilting; (5) the lateral compression bolts and the ejection bolts are made of aluminum bolts with low hardness, so that parts are prevented from being damaged by jacking, and all bolt nuts are in standard sizes and are convenient to replace.
The utility model discloses can accomplish annular array blade director blank and weld preceding orthopedic, location, fixed, correct the stress deformation of part blank self, prevent to produce dislocation, deformation in the welding process, annular array blade director welding jig still has the effect of resisting part welding back shrink simultaneously, makes the whole dimensional accuracy requirement that accords with of part that obtains after the combination welding. In addition, after welding, the part is completely attached to the clamp, so that the part is difficult to take out. The lateral compression bolts and the ejection bolts are made of aluminum bolts with low hardness, so that parts are prevented from being damaged by jacking, and all bolt nuts are in standard sizes and are convenient to replace.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides an annular array blade director welding jig which characterized in that: the welding fixture comprises a circular fixture main body, wherein a plurality of side fixing parts protruding along the thickness direction of the fixture main body are arranged on the side surface of the fixture main body, the fixture main body is provided with a welding port, the annular array blade guider welding fixture further comprises a plurality of lower pressing plates, the lower pressing plates are positioned on the outer sides of the welding port, lower pressing plate fastening bolts are arranged on the back surfaces of the lower pressing plates, the annular array blade guider welding fixture further comprises a plurality of upper pressing plates, the upper pressing plates are positioned on the front surface of the fixture main body and connected with the fixture main body through upper pressing plate fastening nuts and upper pressing plate fastening bolts, each side fixing part is provided with a plurality of lateral pressing bolt fixing blocks, the lateral pressing bolt fixing blocks are positioned on the front surface of the side fixing parts, the lateral pressing bolt fixing blocks are square blocks with threaded holes, and lateral pressing bolts are arranged in the threaded holes, the welding fixture for the annular array blade guider further comprises a plurality of ejection bolts, and the ejection bolts are located on the reverse side of the fixture main body.
2. The annular array vane director welding fixture of claim 1, wherein: the welding mouth has three, three the equal angular distribution of welding mouth along the circumference, the welding mouth is the U type.
3. The annular array vane director welding fixture of claim 1, wherein: the side fixed part has three.
4. The annular array vane director welding fixture of claim 3, wherein: the number of the lower pressing plates is three, and the three lower pressing plates are distributed at equal angles along the circumference.
5. The annular array vane director welding jig of claim 4, wherein: the three lower pressing plates and the three side fixing parts are arranged at intervals.
6. The annular array vane director welding fixture of claim 1, wherein: the upper pressure plate is wedge-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920889732.9U CN210115638U (en) | 2019-06-13 | 2019-06-13 | Welding fixture for annular array blade guider |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920889732.9U CN210115638U (en) | 2019-06-13 | 2019-06-13 | Welding fixture for annular array blade guider |
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| Publication Number | Publication Date |
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| CN210115638U true CN210115638U (en) | 2020-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920889732.9U Active CN210115638U (en) | 2019-06-13 | 2019-06-13 | Welding fixture for annular array blade guider |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116618907A (en) * | 2023-07-21 | 2023-08-22 | 兰州交通大学 | Welding device for ferris wheel of aero-engine blade |
-
2019
- 2019-06-13 CN CN201920889732.9U patent/CN210115638U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116618907A (en) * | 2023-07-21 | 2023-08-22 | 兰州交通大学 | Welding device for ferris wheel of aero-engine blade |
| CN116618907B (en) * | 2023-07-21 | 2023-09-15 | 兰州交通大学 | Welding device for ferris wheel of aero-engine blade |
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