CN114653838A - Welding local deformation correcting device for thin-wall metal plate welding large casing - Google Patents
Welding local deformation correcting device for thin-wall metal plate welding large casing Download PDFInfo
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- CN114653838A CN114653838A CN202210481769.4A CN202210481769A CN114653838A CN 114653838 A CN114653838 A CN 114653838A CN 202210481769 A CN202210481769 A CN 202210481769A CN 114653838 A CN114653838 A CN 114653838A
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- welding
- plate
- heating
- base
- thin
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- 238000003466 welding Methods 0.000 title claims abstract description 38
- 229910052751 metal Inorganic materials 0.000 title abstract description 7
- 239000002184 metal Substances 0.000 title abstract description 7
- 238000010438 heat treatment Methods 0.000 claims description 75
- 238000003825 pressing Methods 0.000 claims description 17
- 238000004021 metal welding Methods 0.000 claims description 4
- 239000010425 asbestos Substances 0.000 claims description 3
- 229910052895 riebeckite Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 7
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000003856 thermoforming Methods 0.000 description 3
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
Abstract
The application provides a large cartridge receiver welding local deformation correcting unit is welded to thin wall metal plate, belong to the technical field that aeroengine spare part made, specifically include the base, hot plate and backup pad, be fixed with relative outer support seat and the interior support seat that sets up on the base, the mobilizable fixing of hot plate is on outer support seat, the backup pad is mobilizable fixed on the support seat including, hot plate and backup pad are close to each other and keep away from between outer support plate and interior support plate, big cartridge receiver installation limit is compressed tightly on the base, the hot plate is just unanimous with big cartridge receiver lateral wall profile to the side of backup pad, the backup pad is just unanimous with big cartridge receiver inside wall profile to the side of hot plate, the hot plate compresses tightly big cartridge receiver lateral wall, and heat big cartridge receiver, the backup pad compresses tightly big cartridge receiver inside wall. Through the processing scheme of this application, eliminate the inside welding stress of barrel, welding deformation obtains rectifying, guarantees the integrality of part manufacturing.
Description
Technical Field
The application relates to the field of aero-engine component manufacturing, in particular to a device for correcting local deformation in welding of a thin-wall metal plate welding large case.
Background
The titanium alloy thin-wall plate welded large casing type part is a component on an aero-engine and is an important external casing part of the engine. The titanium alloy thin-wall sheet metal welding large casing type part is formed by welding a titanium alloy forging mounting edge, a thermal forming sheet metal part and a mounting seat. The titanium alloy has small thermal conductivity (poor thermal conductivity) and small linear expansion coefficient, and the mounting edge and the mounting seat have small deformation because of large thickness and quick heat conduction of the mounting edge and the mounting seat; the wall thickness of the sheet metal part is thin, so that the heat conduction is poor, the rigidity is poor, the deformation of the cylinder body is large, the concave deformation of the cylinder body of the mounting seat accessory is caused, the welding stress is large, and the strength and the service life of parts are reduced.
Disclosure of Invention
In view of this, the present application provides a device for correcting local deformation during welding of a large thin-wall plate welding case, which solves the problems in the prior art, eliminates the welding stress inside the cylinder, corrects the welding deformation, and ensures the integrity of the manufacturing of the parts.
The application provides a local deformation correcting unit of thin wall metal plate welding big cartridge receiver welding adopts following technical scheme:
a welding local deformation correcting device for a thin-wall plate welding large case comprises a base, a heating plate and a supporting plate, wherein an outer supporting seat and an inner supporting seat which are arranged oppositely are fixed on the base, the heating plate is movably fixed on the outer supporting seat, the supporting plate is movably fixed on the inner supporting seat, the heating plate and the supporting plate are close to and far away from each other between the outer supporting plate and the inner supporting plate, a mounting edge of the large case is pressed on the base, the side, right opposite to the supporting plate, of the heating plate is consistent with the profile of the outer side wall of the large case, the side, right opposite to the heating plate, of the supporting plate is consistent with the profile of the inner side wall of the large case, the heating plate presses the outer side wall of the large case and heats the large case, and the supporting plate presses the inner side wall of the large case.
Optionally, the outer support base and the inner support base are provided with compression bolts which are all provided with through threads and are in threaded connection, the compression bolts move along the radial direction of the large casing, the compression bolts on the outer support base are connected with the heating plate in a rotating mode, and the compression bolts on the inner support base are connected with the supporting plate in a rotating mode.
Optionally, a heating pipe is arranged in the heating plate, and a heating power supply is connected to the heating pipe.
Optionally, the heating plate is provided with a plurality of heating pipes distributed at intervals along the circumferential direction of the large casing
Optionally, the thermal coupling is attached to the heated area of the large casing.
Optionally, one side of the heating plate, which is opposite to the support plate, is tiled with heat insulation asbestos.
Optionally, the base is a closed ring structure surrounding the end edge of the large casing.
Optionally, the base is provided with a plurality of part pressing plates which are uniformly distributed along the circumferential direction of the base, and the part pressing plates and the base press the mounting edge of the large casing through bolts.
To sum up, the application comprises the following beneficial technical effects:
the correcting device is convenient to operate, labor-saving, time-saving and high in reliability; the problem of the deformation correction of the barrel after the barrel and the mounting seat of the large-sized titanium alloy thin-wall sheet welding case part are welded is solved, the deformation area of the barrel is rigidly constrained to a theoretical position through the heating plate and the supporting plate, the barrel is kept warm for a period of time at the thermoforming temperature, the internal stress inside the part is eliminated, and the deformation correction of the part is qualified. The device reduces the rejection rate of parts, greatly reduces the production cost, improves the benefits of companies and has great practical value.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural view of a calibration device of the present application mounted on a casing body;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is a cross-sectional view taken along the line B-B in fig. 2.
Description of reference numerals: 1. a base; 11. a part pressing plate; 12. an outer support base; 13. an inner supporting seat; 2. heating plates; 3. a support plate; 4. a hold-down bolt; 5. heating a tube; 6. a heating power supply; 7. a thermocouple; 8. and (4) a cylinder body.
Detailed Description
The embodiments of the present application will be described in detail below with reference to the accompanying drawings.
The following description of the embodiments of the present application is provided by way of specific examples, and other advantages and effects of the present application will be readily apparent to those skilled in the art from the disclosure herein. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. The present application is capable of other and different embodiments and its several details are capable of modifications and/or changes in various respects, all without departing from the spirit of the present application. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It is noted that various aspects of the embodiments are described below within the scope of the appended claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the present application, one skilled in the art should appreciate that one aspect described herein may be implemented independently of any other aspects and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented and/or a method practiced using any number of the aspects set forth herein. Additionally, such an apparatus may be implemented and/or such a method may be practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present application, and the drawings only show the components related to the present application rather than the number, shape and size of the components in actual implementation, and the type, amount and ratio of the components in actual implementation may be changed arbitrarily, and the layout of the components may be more complicated.
In addition, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, it will be understood by those skilled in the art that the aspects may be practiced without these specific details.
The embodiment of the application provides a device for correcting local deformation during welding of a thin-wall plate welding large case.
As shown in figures 1-3, a local deformation correcting device for welding a large thin-wall plate welding case is characterized by comprising a base 1, a heating plate 2 and a supporting plate 3, an outer supporting seat 12 and an inner supporting seat 13 which are oppositely arranged are fixed on the base 1, the heating plate 2 is movably fixed on the outer supporting seat 12, the supporting plate 3 is movably fixed on an inner supporting seat 13, the heating plate 2 and the supporting plate 3 are close to and far away from each other between the outer supporting plate 3 and the inner supporting plate 3, the large cartridge mounting edge is pressed on the base 1, the side of the heating plate 2 facing the supporting plate 3 is consistent with the profile of the outer side wall of the large cartridge, the side face, right opposite to the heating plate 2, of the supporting plate 3 is consistent with the molded surface of the inner side wall of the large case, the heating plate 2 compresses the outer side wall of the large case and heats the large case, and the supporting plate 3 compresses the inner side wall of the large case.
Be equipped with all to run through and threaded connection's clamp bolt 4 on outer support 12 and the interior support 13, be equipped with all to be equipped with on outer support 12 and the interior support 13 and all be equipped with two clamp bolt 4 along 8 circumference distributions of barrel, clamp bolt 4 follows big quick-witted casket radial direction removes, clamp bolt 4 pivoted on the outer support 12 is connected hot plate 2, clamp bolt 4 pivoted on the interior support 13 is connected backup pad 3. The movement of the heating plate 2 and the supporting plate 3 is controlled by rotating the pressing bolt 4, so that an acting force for clamping the cylinder 8 is provided for the heating plate 2 and the supporting plate 3, and meanwhile, the heating plate 2, the cylinder 8 and the supporting plate 3 are convenient to install and detach.
The inner molded surface of the heating plate 2 is consistent with the theoretical outer molded surface of a part (a cylinder 8), the deformation area of the cylinder 8 can be expanded to a theoretical position through the force applied by the compression screw of the heating plate 2, a hole matched with the heating pipe 5 is processed on the heating plate 2, the heating pipe 5 can be placed on the heating plate 2, and the heat of the heating pipe 5 can be uniformly transmitted to the part.
The outer profile of the supporting plate 3 is consistent with the theoretical inner profile of the part, the supporting of the deformation area of the cylinder 8 can be expanded to the theoretical position through the force applied by the pressing screw rod of the supporting plate 3, the same supporting plates are arranged at the symmetrical positions, and the stress of the part is uniform.
A heating pipe 5 is arranged in the heating plate 2, and a heating power supply 6 is connected to the heating pipe 5. The heating pipe 5 provides heat for local thermal calibration.
The heating plate 2 is provided with a plurality of heating pipes 5 which are distributed at intervals along the circumferential direction of the large casing.
The thermocouple device also comprises a thermocouple 7, and the thermocouple 7 is attached to the heated area of the large casing. The thermocouple 7 detects the temperature of the heating area and feeds the temperature back to the heating power supply 6, so that the heating temperature of the part is prevented from being too high or too low.
The heating power supply 6 provides energy for the whole device, can perform heating adjustment in a partitioned mode, can set heating parameters and temperature regulation and control, and guarantees temperature stability during heat preservation.
The base 1 is a closed annular structure surrounding the large casing mounting edge. The large casing is characterized in that a plurality of part pressing plates 11 which are uniformly distributed along the circumferential direction of the base 1 are arranged on the base 1, and the part pressing plates 11 and the base 1 tightly press the mounting edge of the large casing through bolts. The part pressing plate 11 fixes the part and the base 1 and prevents the part from moving.
The utility model provides a correcting unit, mainly from the influence factor of material and structure, through increasing the rigidity restraint in deformation region, with deformation region local heating to the uniform temperature to keep warm for a certain time, eliminate the inside welding stress of barrel 8, welding deformation obtains correcting, guarantees the integrality that the part was made.
Coating a special antioxidant for titanium alloy on a to-be-heated area of a deformation cylinder 8, placing a titanium alloy plate welding large box on a clamp base 1 after the antioxidant is dried, fixing a part on the base 1, pressing a part pressing plate 11, adjusting the symmetrical heating plate 2 and the supporting plate 3 to the theoretical position of the part to be heated in a moving mode, and adjusting a pressing bolt 4 of the heating plate 2 to press the heating plate 2 and the deformation area of the cylinder 8. Adjusting the thermocouple 7 to enable the temperature measuring area of the thermocouple 7 to be tightly attached to the heating cylinder 8, ensuring the accuracy of temperature measurement, installing the heating pipes 5 into the heating plate 2, connecting the two groups of heating pipes 5 and the corresponding thermocouples 7, paving a layer of heat insulation asbestos on the outer side surface of the heating plate 2, preventing heat loss and increasing the heating speed, turning on the heating power supply 6, heating to the material thermoforming temperature, keeping the temperature for 0.5-1 h, turning off the power supply, and naturally cooling to the room temperature. The deformation area of the cylinder 8 is rigidly constrained to a theoretical position through the heating plate 2 and the supporting plate 3, plastic deformation and internal stress are generated in the deformation area, the heat is preserved for a period of time at the thermoforming temperature, the internal stress in the part is eliminated, and the part deformation is corrected to be qualified.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (8)
1. The device is characterized by comprising a base, a heating plate and a supporting plate, wherein an outer supporting seat and an inner supporting seat which are arranged oppositely are fixed on the base, the heating plate is movably fixed on the outer supporting seat, the supporting plate is movably fixed on the inner supporting seat, the heating plate and the supporting plate are close to and away from each other between the outer supporting plate and the inner supporting plate, the mounting edge of the large cartridge case is pressed on the base, the side, facing the heating plate, of the heating plate is consistent with the outer side wall profile of the large cartridge case, the side, facing the heating plate, of the supporting plate is consistent with the inner side wall profile of the large cartridge case, the heating plate presses the outer side wall of the large cartridge case and heats the large cartridge case, and the supporting plate presses the inner side wall of the large cartridge case.
2. The device for correcting the local deformation during the welding of the thin-wall plate welding large case according to claim 1, wherein the outer support seat and the inner support seat are respectively provided with a through and screw-connected pressing bolt, the pressing bolt moves along the radial direction of the large case, the pressing bolt on the outer support seat is rotationally connected with the heating plate, and the pressing bolt on the inner support seat is rotationally connected with the support plate.
3. The device for correcting local deformation during welding of a thin-wall plate welding large case according to claim 1, wherein a heating pipe is arranged in the heating plate, and the heating pipe is connected with a heating power supply.
4. The device for correcting local deformation during welding of a thin-wall sheet metal welding large casing according to claim 3, wherein a plurality of heating pipes are arranged on the heating plate and are distributed at intervals along the circumferential direction of the large casing.
5. The device for correcting local deformation during welding of the thin-wall plate welding large case as claimed in claim 1, further comprising a thermocouple, wherein the thermocouple is closely attached to the heated area of the large case.
6. The welding local deformation correcting device for the thin-wall sheet welding large casing of claim 1, wherein the side of the heating plate opposite to the support plate is tiled with heat-insulating asbestos.
7. The device for correcting local deformation during welding of a thin-wall sheet metal welding large casing according to claim 1, wherein the base is a closed ring structure surrounding the mounting edge of the large casing.
8. The device for correcting the local deformation during the welding of the large thin-wall sheet metal welding case according to claim 7, wherein a plurality of part pressing plates are uniformly distributed along the circumferential direction of the base, and the part pressing plates and the base clamp the mounting edge of the large case through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210481769.4A CN114653838A (en) | 2022-05-05 | 2022-05-05 | Welding local deformation correcting device for thin-wall metal plate welding large casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210481769.4A CN114653838A (en) | 2022-05-05 | 2022-05-05 | Welding local deformation correcting device for thin-wall metal plate welding large casing |
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| Publication Number | Publication Date |
|---|---|
| CN114653838A true CN114653838A (en) | 2022-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210481769.4A Pending CN114653838A (en) | 2022-05-05 | 2022-05-05 | Welding local deformation correcting device for thin-wall metal plate welding large casing |
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|---|---|
| CN (1) | CN114653838A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115283937A (en) * | 2022-07-21 | 2022-11-04 | 中国航发成都发动机有限公司 | Thin-wall annular sheet metal part assembling device and method |
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2022
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115283937A (en) * | 2022-07-21 | 2022-11-04 | 中国航发成都发动机有限公司 | Thin-wall annular sheet metal part assembling device and method |
| CN115283937B (en) * | 2022-07-21 | 2023-11-10 | 中国航发成都发动机有限公司 | Thin-wall annular sheet metal part assembling device and method |
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