CN117161142B - Thermal correction die and method for adjusting sheet - Google Patents
Thermal correction die and method for adjusting sheet Download PDFInfo
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- CN117161142B CN117161142B CN202311272347.7A CN202311272347A CN117161142B CN 117161142 B CN117161142 B CN 117161142B CN 202311272347 A CN202311272347 A CN 202311272347A CN 117161142 B CN117161142 B CN 117161142B
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- 238000012937 correction Methods 0.000 title claims abstract description 233
- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000001105 regulatory effect Effects 0.000 claims abstract description 68
- 230000000399 orthopedic effect Effects 0.000 claims description 64
- 238000001816 cooling Methods 0.000 claims description 54
- 238000010438 heat treatment Methods 0.000 claims description 24
- 239000006104 solid solution Substances 0.000 claims description 20
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 14
- 230000000087 stabilizing effect Effects 0.000 claims description 13
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 229910052786 argon Inorganic materials 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 238000004881 precipitation hardening Methods 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000003750 conditioning effect Effects 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 238000011534 incubation Methods 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims 3
- 239000000956 alloy Substances 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 claims 1
- 238000005266 casting Methods 0.000 abstract description 68
- 230000000694 effects Effects 0.000 abstract description 9
- 230000005484 gravity Effects 0.000 description 12
- 238000003825 pressing Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 229910000601 superalloy Inorganic materials 0.000 description 4
- 239000000243 solution Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005495 investment casting Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Abstract
The application relates to a hot straightening die and a hot straightening method for a regulating plate; relates to the technical field of casting correction; the adjusting sheet thermal correction die comprises a lower correction die, an upper correction die and a correction locking piece; the lower correction die is used for bearing the adjusting sheet, one side wall of the lower correction die is provided with an correction surface, the correction surface is obliquely arranged, and the front surface of the adjusting sheet is attached to the correction surface; the upper correction die is positioned above the adjusting sheet and used for correcting the adjusting sheet; the upper straightening die comprises a straightening plate and a connecting plate, wherein the straightening plate is provided with two straightening plates, and the straightening plates are fixedly connected to the same side wall of the connecting plate along the length direction of the connecting plate; the straightening plate is away from the side wall of the connecting plate and is abutted against the back surface of the side plate of the adjusting piece; the correction locking piece is used for correcting the adjusting piece and locking the lower correction die and the upper correction die; the application has the effect of good thermal correction effect of castings.
Description
Technical Field
The application relates to the technical field of casting correction, in particular to a thermal correction die and a thermal correction method for a regulating plate.
Background
The regulating piece 1 (see figure 1) is a casting, the back of the web 11 of the regulating piece 1 is fixedly connected with a reinforcing net 12 formed by reinforcing ribs 121, two sides of the web 11 are fixedly connected with side plates 13 along the length direction of the web, and the side plates 13 have the characteristics of small thickness and large span due to design requirements; after the casting is poured, the side plates 13 of the casting are deformed due to stress when the casting is cut from a pouring system or deformation of the wax pattern during the pressing and the assembling of the wax pattern; after the casting is cast and molded, the casting needs to be corrected in order to improve the molding quality of the casting. The adjusting sheet thermal straightening die is a die for thermally straightening the adjusting sheet 1.
Currently, reference is made to chinese patent publication No. CN112139294a, which discloses a method for thermal orthotic of large castings, comprising the steps of: step one: the method comprises the steps of providing an orthopedic tool, wherein the orthopedic tool comprises a base, a pressing plate, a supporting screw and a locking nut, one end of the supporting screw is fixedly connected with the base, and the other end of the supporting screw penetrates through the pressing plate and is in threaded connection with the locking nut; step two: clamping the casting between the base and the pressing plate, applying an acting force to the casting by screwing the locking nut, and correcting the casting by the acting force; step three: simultaneously carrying out solution treatment on the castings subjected to the correction in the second step and the correction tool, namely, immediately transferring the castings and the correction tool into water at the same time to be cooled to room temperature after the castings and the correction tool are simultaneously heated to the solution temperature of the casting materials; step four: and (3) taking the castings subjected to solution treatment in the step three off from the correction tool, and finishing correction.
When the casting is corrected, the supporting bolt and the locking nut are used for fixing the casting between the base and the pressing plate, the casting is corrected by rotating the locking nut, then the casting and the correction tool are heated to the solid solution temperature of the casting material, the casting and the tool are immediately transferred into water for cooling, and then the casting is separated from the correction tool, so that correction of the casting is finished, and rebound of the casting after cold correction is reduced. However, when the correction tool is used for correcting the casting, the casting is forced to be corrected, so that larger residual stress exists after correction of the casting, and particularly, even the thinner casting can be torn.
Or, refer to the Chinese patent with publication number CN105499323A, it discloses a thermal correction tool for investment casting with titanium alloy special-shaped structure, comprising an upper pressing plate, a left side plate, a right side plate and a lower bottom plate, wherein the upper pressing plate, the lower bottom plate, the left side plate and the right side plate jointly enclose a frame structure; the left side plate and the right side plate are oppositely arranged and respectively movably connected to the two sides of the lower bottom plate, and the left side plate and the right side plate are connected through a plurality of groups of transverse screws; the upper pressing plate is movably connected with the lower bottom plate through a plurality of groups of longitudinal screw rods, is positioned at the upper ends of the left side plate and the right side plate, and keeps a distance with the upper end surfaces of the left side plate and the right side plate.
When in use, the casting is abutted with the upper pressing plate, the left side plate, the right side plate and the lower bottom plate, and high-temperature hot straightening is carried out on the casting; when the casting is abutted against the thermal correction tool, the situation that larger residual stress exists after correction of the casting and even tearing occurs to the thinner casting can also occur. If the casting and the orthopedic tool are heated at high temperature together and then the casting is taken out for orthopedic, the risk of adjusting the orthopedic tool at high temperature is increased, and meanwhile, the casting is in a solid solution state, and the uncontrollable deformation of the casting is easily caused by manually adjusting the orthopedic tool.
Also, reference is made to chinese patent publication No. CN111036722a, which discloses a casting orthopedic device and a casting orthopedic method, the casting orthopedic device including a base, a mount, a top plate, and a top bar. The roof is spaced apart from the base, and the mount pad sets up in the base and is located between roof and the base. The mounting base has an orthotic surface that conforms to the target shape of the casting to be orthotic, the orthotic surface being located on a side of the mounting base facing away from the base. The ejector rod is in threaded connection with the top plate, and one end of the ejector rod, which is positioned between the top plate and the base, is used for propping the casting to be corrected against the mounting seat. A method of casting rectification comprising: mounting the casting to be corrected on the mounting seat; heating the deformation part of the casting to be corrected; and screwing the ejector rod so that the end part of the ejector rod locally presses the deformation of the casting to be corrected to be clung to the correction surface of the mounting seat, and maintaining the preset duration.
The ejector rod is rotated to support the casting on the mounting seat, and then the casting is locally heated, so that the casting is tightly attached to the orthopedic surface and kept for a preset period of time, and the casting is adjusted to be in a target shape. Reduces the occurrence of tearing of the casting by force. But the casting is locally heated, the casting is diffused by taking the heating point as the center, and the casting temperatures in different areas are different, so that the casting has different tensile strengths, and particularly for thinner castings, the casting is easy to distort after local thermal correction, and the correction effect is affected.
In the related art, the casting has the defect of poor thermal straightening effect.
Disclosure of Invention
In order to overcome the defect of poor thermal correction effect of castings, the application provides a regulating plate thermal correction die and a regulating plate thermal correction method.
In a first aspect, the application provides a thermal orthopedic die for a regulating plate, which adopts the following technical scheme: the lower correction die is used for bearing the adjusting piece, one side wall of the lower correction die is provided with an correction surface, the correction surface is obliquely arranged, and the front surface of the adjusting piece is attached to the correction surface; lifting grooves and orthopedic grooves are formed in two sides of the lower straightening die, the lifting grooves are vertically formed, the orthopedic grooves are obliquely formed, and the inclination angles of the orthopedic grooves are the same as those of the orthopedic surfaces; the lifting groove is communicated with the correcting groove and is positioned above the correcting groove;
The upper correction die is positioned above the adjusting sheet and used for correcting the adjusting sheet; the upper straightening die comprises a straightening plate and a connecting plate, wherein the straightening plate is provided with two straightening plates, and the straightening plates are fixedly connected to the same side wall of the connecting plate along the length direction of the connecting plate; the straightening plate is away from the side wall of the connecting plate and is abutted against the back surface of the side plate of the adjusting piece; a yielding groove is formed between the two orthopedic plates and used for accommodating a web plate and a reinforcing net of the adjusting piece; the two sides of the upper straightening die are fixedly connected with straightening pull arms, guide posts are fixed on the side walls of the two straightening pull arms, which are close to each other and deviate from one end of the upper straightening die, and the guide posts are inserted into the lifting groove and the orthopedic groove in a sliding manner;
The upper straightening die is provided with a plug hole, and the plug hole penetrates through the upper straightening die and is arranged in the lower straightening die; the inserting holes are obliquely formed, and the forming direction of the inserting holes is perpendicular to the oblique direction of the orthopedic surface; the lower correction die is vertically provided with an correction hole which is communicated with the splicing hole;
the correction locking piece is used for correcting the adjusting piece and locking the lower correction die and the upper correction die; the correcting locking piece comprises a stop lever, a correcting lever, an adjusting lever, a lock lever and a correcting locking piece; the correction rod is vertically and fixedly connected to the center position of the stop lever in the length direction and is inserted into the insertion hole; the stop lever is positioned at one side of the upper correction die, which is away from the lower correction die; the adjusting rod is vertically arranged and fixedly connected with one end of the correcting rod, which is away from the stop lever, and the upper surface of the adjusting rod gradually inclines downwards from one end, which is away from the upper correcting die, to one end, which is close to the upper correcting die; the lock rod is inserted into the orthopedic hole, and the lower surface of the lock rod gradually inclines upwards from one end away from the upper straightening die to one end close to the upper straightening die; the locking piece is fixedly connected with the upper surface of the lock rod.
By adopting the technical scheme, when the guide post lifting device is used, the upper straightening die is lifted to enable the guide post to be positioned in the lifting groove, the adjusting piece is placed between the upper straightening die and the lower straightening die at the moment, and the front face of the adjusting piece is abutted against the orthopedic surface; placing an upper correction die, and sliding the guide column into the correction slot from the lifting slot; then inserting the correction rod and the adjusting rod into the insertion hole, and inserting the locking rod into the correction hole; the upper straightening die, the lower straightening die and the regulating piece are placed in a vacuum heating furnace together for heating;
When the adjusting piece is heated to a solid solution state, the adjusting piece is completely attached to the correcting surface under the action of the gravity of the upper correcting die and the gravity of the correcting locking piece and the limit of the upper correcting die and the lower correcting die, and meanwhile, the side plate is completely abutted to the correcting plate; at the moment, the guide post slides to the tail end of the orthopedic groove, the adjusting rod is positioned at one side of the locking rod, which is away from the upper straightening die, and abuts against the locking rod, and meanwhile, the stop rod abuts against the upper straightening die; the correction locking block is abutted with the upper surface of the lower correction die; realizing thermal correction of the regulating piece;
The upper correction die, the lower correction die and the regulating piece are placed in a vacuum furnace together and heated until the regulating piece is in a solid solution state, and under the action of the upper correction die and the correction locking piece, the regulating piece is gradually converted into the solid solution state along with the regulating piece to realize automatic correction of the regulating piece; in the process of correction, thinner castings are not easy to tear, and simultaneously, the upper correction die and the lower correction die which are arranged in a standard mode can automatically correct the adjusting piece, so that the possibility of uncontrollable deformation is reduced;
the upper straightening die, the lower straightening die and the regulating piece are heated together, so that residual stress of the cast after straightening is reduced, distortion caused by uneven heating of the cast is reduced, the cast is taken out after cooling, and production safety is improved;
In the heating and correcting process, gravity of the correcting locking piece is transmitted to the locking rod, the upper correcting die is pulled to one side close to the lower correcting die under the action of the locking rod and the adjusting rod, and then pressure is applied to the adjusting piece to promote the correcting of the adjusting piece; meanwhile, after the correction is completed, the upper correction die and the lower correction die are locked; after locking, when the upper straightening die, the lower straightening die and the regulating piece are cooled, the regulating piece is not easy to deform under the limitation of the upper straightening die and the lower straightening die, so that the orthopedic effect is ensured.
Preferably, the bars are cylindrical structures.
By adopting the technical scheme, the stop lever realizes that the upper straightening die is pushed to move towards one side close to the lower straightening die, and simultaneously, the lower straightening die moves downwards along the straightening surface, and the cylindrical stop lever reduces the friction force between the lower straightening die and the lower straightening die.
Preferably, the locking piece is located above the upper straightening die, the lower surface of the locking piece is fixedly connected with a stabilizing piece, the upper surface of the upper straightening die is provided with a stabilizing groove, and the stabilizing piece is inserted into the stabilizing groove.
By adopting the technical scheme, after the adjusting plate is thermally corrected, the correction locking block is abutted against the upper correction die, at the moment, the fixing plate is inserted into the fixing groove, and the fixing plate and the locking rod are jointly locked at the relative position between the upper correction die and the lower correction die, so that the relative position between the upper correction die and the lower correction die is not changed in the cooling process, and the correction stability of the adjusting plate is further improved.
Preferably, a cooling hole is formed in the lower correction die, the cooling hole is obliquely formed, and the inclination angle is the same as that of the correction surface; the plurality of cooling holes are distributed along the width direction of the lower die; the cooling Kong Shouwei is connected sequentially, and cooling holes at two ends in the width direction penetrate through the lower correction die.
Through adopting above-mentioned technical scheme, with the cooling hole and the external argon gas intercommunication of one of them through lower mould upper surface of rectifying to by another cooling hole discharge, when the cooling, the setting up of cooling hole makes the web front and the back cooling speed of regulating plate tend to the same, and then has reduced the tensile stress that web and reinforcement frame produced to the sideboard, has reduced the possibility that the sideboard warp once more.
Preferably, the upper correction die, the lower correction die and the correction locking piece are all made of K424 nickel-based precipitation hardening superalloy as raw materials.
By adopting the technical scheme, the K424 nickel-based precipitation hardening superalloy has the effects of high strength and high temperature resistance, and the strength of the thermal correction die is improved, namely the correction stability of the adjusting sheet is improved in the thermal correction process of the adjusting sheet.
Preferably, a balancing weight is arranged above the locking piece.
Through adopting above-mentioned technical scheme, according to the regulating plate model, whether the balancing weight is installed and what kind of weight's balancing weight is placed in the different thickness and the material adjustment of regulating plate promptly, the balancing weight setting pulls and corrects the mould and remove to the one side that is close to lower mould, realizes simultaneously correcting the regulating plate.
In a second aspect, the application provides a thermal correction method for a regulating plate, which adopts the following technical scheme:
a method of conditioning sheet thermal correction comprising the steps of:
S1, preparing a thermal orthopedic die; cleaning impurities on the surfaces of the upper correction die and the lower correction die; the upper straightening die is pulled upwards, the guide column slides along the guide groove and the lifting groove, and the upper straightening die is separated from the lower straightening die, so that the front surface of the adjusting piece is abutted against the straightening surface; the upper correction die is put down to enable the correction plate to be abutted against the back surface of the side plate of the adjusting piece; inserting the stop lever, the correction lever and the adjusting lever into the inserting hole; the lock rod is inserted into the orthopedic hole and is abutted against the upper surface of the adjusting rod;
S2, heating; the upper straightening die, the lower straightening die, the straightening locking piece and the regulating piece are placed in a vacuum furnace together for heating; until the regulating piece is in a solid solution state, and preserving heat;
S3, cooling and demoulding.
By adopting the technical scheme, the upper correction die, the lower correction die and the regulating piece are placed in the vacuum furnace together and heated until the regulating piece is in a solid solution state, and under the action of the upper correction die and the correction locking piece, the regulating piece is gradually converted into the solid solution state along with the regulating piece, so that the regulating piece is automatically corrected; in the process of correction, thinner castings are not easy to tear, and simultaneously, the upper correction die and the lower correction die which are arranged in a standard mode can automatically correct the adjusting piece, so that the possibility of uncontrollable deformation is reduced;
the upper straightening die, the lower straightening die and the regulating piece are heated together, so that residual stress of the cast after straightening is reduced, distortion caused by uneven heating of the cast is reduced, the cast is taken out after cooling, and production safety is improved;
In the heating and correcting process, gravity of the correcting locking piece is transmitted to the locking rod, the upper correcting die is pulled to one side close to the lower correcting die under the action of the locking rod and the adjusting rod, and then pressure is applied to the adjusting piece to promote the correcting of the adjusting piece; meanwhile, after the correction is completed, the upper correction die and the lower correction die are locked; after locking, when the upper straightening die, the lower straightening die and the regulating piece are cooled, the regulating piece is not easy to deform under the limitation of the upper straightening die and the lower straightening die, so that the orthopedic effect is ensured.
Preferably, in step S3, argon is communicated with one of the cooling holes on both sides of the lower correction die.
Through adopting above-mentioned technical scheme, with the cooling hole and the external argon gas intercommunication of one of them through lower mould of rectifying to discharge by another cooling hole, when the cooling, the setting up of cooling hole makes the web front and the back cooling speed of regulating plate tend to the same, and then has reduced the tensile stress that web and reinforcement frame produced to the sideboard, has reduced the possibility that the sideboard warp once more.
Preferably, in step S2, the incubation time is 6-8 hours.
By adopting the technical scheme, the thermal insulation can reduce the tensile stress between the orthopedic back side plate and the web plate, and simultaneously the orthopedic part of the adjusting piece is irreversibly orthopedic.
In summary, the present application includes at least one of the following beneficial technical effects:
1. The upper correction die, the lower correction die and the regulating piece are placed in a vacuum furnace together and heated until the regulating piece is in a solid solution state, and under the action of the upper correction die and the correction locking piece, the regulating piece is gradually converted into the solid solution state along with the regulating piece to realize automatic correction of the regulating piece; in the process of correction, thinner castings are not easy to tear, and simultaneously, the upper correction die and the lower correction die which are arranged in a standard mode can automatically correct the adjusting piece, so that the possibility of uncontrollable deformation is reduced; the upper straightening die, the lower straightening die and the regulating piece are heated together, so that residual stress of the cast after straightening is reduced, distortion caused by uneven heating of the cast is reduced, the cast is taken out after cooling, and production safety is improved; in the heating and correcting process, gravity of the correcting locking piece is transmitted to the locking rod, the upper correcting die is pulled to one side close to the lower correcting die under the action of the locking rod and the adjusting rod, and then pressure is applied to the adjusting piece to promote the correcting of the adjusting piece; meanwhile, after the correction is completed, the upper correction die and the lower correction die are locked; after locking, when the upper straightening die, the lower straightening die and the regulating piece are cooled, the regulating piece is not easy to deform under the limitation of the upper straightening die and the lower straightening die, so that the orthopedic effect is ensured;
2. the cooling holes enable the cooling speeds of the front side and the back side of the web plate of the adjusting plate to be the same, so that the tensile stress generated by the web plate and the reinforcing frame on the side plate is reduced, and the possibility of the side plate deforming again is reduced;
3. the heat preservation realizes the reduction of the tensile stress between the edge plate and the web plate after the correction, and simultaneously, the correction part of the adjusting piece is subjected to irreversible correction.
Drawings
Fig. 1 is a schematic structural view of a related art;
FIG. 2 is a schematic overall structure of an embodiment of the present application;
FIG. 3 is a part drawing showing a lower die;
FIG. 4 is a part drawing showing an upper die;
FIG. 5 is a cross-sectional view showing the corrective lock;
FIG. 6 is an enlarged schematic view of a portion A of FIG. 5;
fig. 7 is a sectional view showing the cooling hole.
In the figure, 1, a regulating plate; 11. a web; 12. reinforcing the net; 121. reinforcing ribs; 13. a side plate; 2. a lower correction die; 21. an orthopedic surface; 22. a lifting groove; 23. a correction groove; 24. an orthopedic hole; 3. a mould is lifted; 31. a straightening plate; 311. a withdrawal arm; 312. a guide post; 32. a connecting plate; 33. a relief groove; 34. a plug hole; 4. a locking piece; 41. a stop lever; 42. a correction rod; 43. an adjusting rod; 44. a lock lever; 45. a locking correction block; 5. a stabilizing sheet; 51. a stabilizing groove; 6. a cooling hole; 7. and (5) balancing weights.
Detailed Description
The application is described in further detail below with reference to fig. 1-7.
The embodiment of the application discloses a hot straightening die for a regulating plate.
Referring to fig. 1 and 2, a conditioner plate thermal orthopedic die is used to orthopedic a conditioner plate 1; the adjusting sheet thermal correction die comprises a lower correction die 2, an upper correction die 3 and a correction locking piece 4; the upper correction die 3, the lower correction die 2 and the correction locking piece 4 are all made of K424 nickel-based precipitation hardening superalloy as raw materials.
Referring to fig. 2 and 3, the lower die 2 is used for bearing the adjusting piece 1, one side wall of the lower die 2 is provided with an orthopedic surface 21, the orthopedic surface 21 is obliquely arranged, and the front surface of the adjusting piece 1 is attached to the orthopedic surface 21; i.e. the orthotic surface 21 coincides with the standard tab 1. The upper correction die 3 is positioned above the adjusting piece 1 and is used for correcting the adjusting piece 1.
Referring to fig. 2 and 4, the upper straightening die 3 comprises a straightening plate 31 and a connecting plate 32, the straightening plate 31 is provided with two pieces, and the straightening plate 31 is fixedly connected to the same side wall of the connecting plate 32 along the length direction of the connecting plate 32; the side walls of the straightening plates 31, which deviate from the connecting plates 32, are abutted against the back surfaces of the side plates 13 of the adjusting sheet 1, and a yielding groove 33 is formed between the two straightening plates 31, and the yielding groove 33 is used for accommodating the web 11 and the reinforcing net 12 of the adjusting sheet 1.
Referring to fig. 2 and 3, both sides of the lower correction die 2 are provided with a lifting groove 22 and an correcting groove 23, the lifting groove 22 is vertically arranged, the correcting groove 23 is obliquely arranged, and the inclination angle of the correcting groove 23 is the same as that of the correcting surface 21; the lifting groove 22 communicates with the orthopedic groove 23, and the lifting groove 22 is located above the orthopedic groove 23. The two sides of the upper straightening die 3 are fixedly connected with straightening and pulling arms 311, the side walls of the two straightening and pulling arms 311, which are close to each other and away from one end of the upper straightening die 3, are fixedly provided with guide posts 312, and the guide posts 312 are slidably inserted into the lifting grooves 22 and the orthopedic grooves 23; when the guide post 312 is positioned at the bottom end of the leveling groove 23, the upper leveling die 3 and the lower leveling die 2 achieve leveling of the adjusting piece 1.
Referring to fig. 2 and 5, the upper correction die 3 is provided with a plug hole 34, the plug hole 34 penetrates through the upper correction die 3 and is arranged in the lower correction die 2, the plug hole 34 is obliquely arranged, and the arrangement direction of the plug hole 34 is perpendicular to the oblique direction of the correction surface 21; the lower correction die 2 is vertically provided with an orthopedic hole 24, and the orthopedic hole 24 is communicated with the plug hole 34. The straightening locking piece 4 is used for correcting the adjusting piece 1 and the straightening locking piece 4 is used for locking the lower straightening die 2 and the upper straightening die 3. In this embodiment, the upper die 3 and the lower die 2 are connected with lifting lugs.
Referring to fig. 2 and 5, the locking piece 4 includes a bar 41, a locking bar 42, an adjusting lever 43, a lock lever 44, and a locking piece 45; the stop lever 41 is of a cylindrical structure, and the stop lever 41 is positioned on one side of the upper correction die 3, which is away from the lower correction die 2. The straightening rod 42 is vertically and fixedly connected to the center of the stop lever 41 in the length direction, and the straightening rod 42 is inserted into the insertion hole 34. The adjusting rod 43 is rectangular and columnar, the adjusting rod 43 is vertically arranged, the adjusting rod 43 is fixedly connected to one end of the straightening rod 42, which is away from the stop rod 41, and the upper surface of the adjusting rod 43 gradually inclines downwards from one end, which is away from the upper straightening die 3, to one end, which is close to the upper straightening die 3. The lock rod 44 is inserted into the orthopedic hole 24, and the lower surface of the lock rod 44 gradually inclines upwards from one end away from the upper straightening die 3 to one end close to the upper straightening die 3. The locking piece 45 is fixedly connected with the upper surface of the locking rod 44.
When the correcting device is used, the upper correcting die 3 is lifted to enable the guide column 312 to be positioned in the lifting groove 22, a gap is formed between the upper correcting die 3 and the lower correcting die 2, the adjusting piece 1 is placed between the upper correcting die 3 and the lower correcting die 2, and the front face of the adjusting piece 1 is abutted against the correcting face 21; the upper correction die 3 is lowered, and the guide post 312 slides into the correction groove 23 from the lifting groove 22; the correction rod 42 and the adjusting rod 43 are inserted into the insertion hole 34, and the locking rod 44 is inserted into the correction hole 24; at this time, the lower surface of the lock lever 44 is abutted against the upper surface of the adjusting lever 43; the upper straightening die 3, the lower straightening die 2 and the regulating piece 1 are placed in a vacuum heating furnace together for heating.
When the adjusting piece 1 is heated to a solid solution state, the adjusting piece 1 is completely attached to the orthopedic surface 21 under the action of the gravity of the upper straightening die 3 and the gravity of the straightening locking piece 45 and the limit of the upper straightening die 3 and the lower straightening die 2, and meanwhile, the side plate 13 is completely abutted to the orthopedic plate 31; specifically, the lower surface of the lock lever 44 is abutted against the upper surface of the adjusting lever 43, the adjusting lever 43 moves to one side away from the upper straightening die 3 under the guiding action of the two contact surfaces and the gravity action of the straightening block 45, at this time, the adjusting lever 43 drives the straightening rod 42 and the stop lever 41 to move to one side close to the lower straightening die 2, and then the upper straightening die 3 is pulled to move to one side close to the lower straightening die 2, and then the solid solution state adjusting piece 1 is shaped under the limit of the upper straightening die 3 and the lower straightening die 2.
At this time, the guide post 312 slides to the tail end of the orthopedic groove 23, the adjusting rod 43 is positioned at one side of the locking rod 44 away from the upper straightening die 3 and abuts against the locking rod 44, and meanwhile, the stop rod 41 abuts against the upper straightening die 3; the locking piece 45 is abutted with the upper surface of the lower correction die 2.
The upper correction die 3, the lower correction die 2 and the regulating piece 1 are placed in a vacuum furnace together and heated until the regulating piece 1 is in a solid solution state, and under the action of the upper correction die 3 and the correction locking piece 45, the regulating piece 1 is gradually converted into the solid solution state to realize automatic correction of the regulating piece 1; in the process of correction, thinner castings are not easy to tear, and simultaneously, the upper correction die 3 and the lower correction die 2 which are arranged in a standard mode automatically correct the correction piece 1, so that the possibility of uncontrollable deformation is reduced.
The upper straightening die 3, the lower straightening die 2 and the regulating piece 1 are heated together, so that residual stress existing in the cast after straightening is reduced, distortion caused by uneven heating of the cast is reduced, the cast is taken out after cooling, and production safety is improved.
In the heating and correcting process, gravity of the correcting locking piece 45 is transmitted to the locking rod 44, the upper correcting die 3 is pulled to one side close to the lower correcting die 2 under the action of the locking rod 44 and the adjusting rod 43, and then pressure is applied to the adjusting piece 1 to promote the correcting of the adjusting piece 1; meanwhile, after the correction is completed, the upper correction die 3 and the lower correction die 2 are locked; after locking, when the upper straightening die 3, the lower straightening die 2 and the regulating piece 1 are cooled, the regulating piece 1 is not easy to deform under the limitation of the upper straightening die 3 and the lower straightening die 2, so that the orthopedic effect is ensured.
The inserting holes 34 are obliquely arranged, the arranging direction of the inserting holes 34 is perpendicular to the oblique direction of the orthopedic surface 21, and when the straightening block 45, the locking rod 44 and the adjusting rod 43 apply pulling force to the straightening rod 42 and the stop rod 41, the upper straightening die 3 is more convenient to approach the lower straightening die 2. The K424 nickel-based precipitation hardening superalloy has the effects of high strength and high temperature resistance, and in the thermal correction process of the adjusting sheet 1, the strength of the thermal correction die is improved, namely the correction stability of the adjusting sheet 1 is improved.
Referring to fig. 2 and 6, a balancing weight 7 is disposed above the locking piece 45, and the locking piece 45 is located above the upper locking mold 3, a fixing piece 5 is fixedly connected to the lower surface of the locking piece 45, the fixing piece 5 is in a truncated cone-shaped structure, and the upper surface area of the fixing piece 5 is larger than the lower surface area. The upper surface of the upper correction die 3 is provided with a stabilizing groove 51, and the stabilizing piece 5 is inserted into the stabilizing groove 51. In this embodiment, the balancing weight 7 is provided with multiple models, and the balancing weights 7 of different models are different in weight.
When the adjusting piece 1 is used, whether the balancing weight 7 is installed or not and what weight of the balancing weight 7 is placed are adjusted according to the type of the adjusting piece 1, namely different thicknesses and materials of the adjusting piece 1, the balancing weight 7 is used for pulling the upper straightening die 3 to move to one side close to the lower straightening die 2, and meanwhile correction of the adjusting piece 1 is achieved. After the thermal correction of the adjusting plate 1, the correction locking piece 45 abuts against the upper correction die 3, at this time, the fixing piece 5 is inserted into the fixing groove 51, and the relative position between the upper correction die 3 and the lower correction die 2 is locked together with the locking rod 44, so that the relative position between the upper correction die 3 and the lower correction die 2 is not changed in the cooling process, and the correction stability of the adjusting plate 1 is further improved.
Referring to fig. 7, cooling holes 6 are formed in the lower straightening die 2, the cooling holes 6 are formed in an inclined manner and have the same inclination angle as the inclination angle of the straightening surface 21, a plurality of cooling holes 6 are distributed along the width direction of the lower straightening die 2, the plurality of cooling holes 6 are sequentially communicated from head to tail, and the cooling holes 6 at two ends of the width direction of the lower straightening die 2 penetrate through the lower straightening die 2.
When the cooling device is used, the cooling hole 6 penetrating through the lower straightening die 2 is communicated with external argon and is discharged from the other cooling hole 6, and when the cooling device is used for cooling, the cooling speeds of the front side and the back side of the web 11 of the adjusting plate tend to be the same, so that the tensile stress generated by the web 11 and the reinforcing frame on the side plate 13 is reduced, and the possibility of re-deforming the side plate 13 is reduced.
The embodiment of the application provides a thermal correction die for a regulating plate, which is implemented by the following principle: lifting the upper correction die 3, positioning the guide column 312 in the lifting groove 22, placing the adjusting sheet 1 between the upper correction die 3 and the lower correction die 2, and enabling the front surface of the adjusting sheet 1 to abut against the correction surface 21; the upper correction mould 3 is put down; the correction rod 42 and the adjusting rod 43 are inserted into the insertion hole 34, and the locking rod 44 is inserted into the correction hole 24; at this time, the lower surface of the lock lever 44 is abutted against the upper surface of the adjusting lever 43; the upper straightening die 3, the lower straightening die 2 and the regulating piece 1 are placed in a vacuum heating furnace together for heating. When the adjusting piece 1 is heated to a solid solution state, the adjusting piece 1 is completely attached to the orthopedic surface 21 under the action of the gravity of the upper straightening die 3 and the gravity of the straightening locking piece 45 and the limit of the upper straightening die 3 and the lower straightening die 2, and meanwhile, the side plate 13 is completely abutted to the orthopedic plate 31; under the limit of the upper correction die 3 and the lower correction die 2, the correction of the regulating piece 1 in the solid solution state is realized.
The embodiment of the application also discloses a thermal correction method of the regulating plate.
The method comprises the following steps: s1, preparing a thermal orthopedic die; cleaning impurities on the surfaces of the upper correction die 3 and the lower correction die 2; the upper straightening die 3 is pulled upwards, the guide column 312 slides along the guide groove and the lifting groove 22, and the upper straightening die 3 is separated from the lower straightening die 2, so that the front surface of the adjusting piece 1 is abutted against the straightening surface 21; the upper correction die 3 is put down to enable the correction plate 31 to be abutted against the back surface of the side plate 13 of the adjusting piece 1; inserting the stop lever 41, the correction lever 42 and the adjusting lever 43 into the insertion hole 34; the lock rod 44 is inserted into the orthopedic hole 24 and is abutted against the upper surface of the adjusting rod 43;
s2, heating; the upper straightening die 3, the lower straightening die 2, the straightening locking piece 4 and the regulating piece 1 are placed in a vacuum furnace together for heating; until the regulating plate 1 is in a solid solution state, preserving heat for 6-8 hours;
s3, cooling and demoulding; one of the cooling holes 6 on both sides of the downward correction mold 2 is communicated with argon.
The upper correction die 3, the lower correction die 2 and the regulating piece 1 are placed in a vacuum furnace together and heated until the regulating piece 1 is in a solid solution state, and under the action of the upper correction die 3 and the correction locking piece 45, the regulating piece 1 is gradually converted into the solid solution state to realize automatic correction of the regulating piece 1; in the process of correction, thinner castings are not easy to tear, and simultaneously, the upper correction die 3 and the lower correction die 2 which are arranged in a standard way can automatically correct the adjusting piece 1, so that the possibility of uncontrollable deformation is reduced;
the upper straightening die 3, the lower straightening die 2 and the regulating piece 1 are heated together, so that residual stress of the cast after correction is reduced, distortion caused by uneven heating of the cast is reduced, the cast is taken out after cooling, and production safety is improved;
In the heating and correcting process, gravity of the correcting locking piece 45 is transmitted to the locking rod 44, the upper correcting die 3 is pulled to one side close to the lower correcting die 2 under the action of the locking rod 44 and the adjusting rod 43, and then pressure is applied to the adjusting piece 1 to promote the correcting of the adjusting piece 1; meanwhile, after the correction is completed, the upper correction die 3 and the lower correction die 2 are locked; after locking, when the upper straightening die 3, the lower straightening die 2 and the regulating piece 1 are cooled, the regulating piece 1 is not easy to deform under the limitation of the upper straightening die 3 and the lower straightening die 2, so that the orthopedic effect is ensured.
The cooling holes 6 penetrating through the lower straightening die 2 are communicated with the outside argon, and are discharged from the other cooling holes 6, and when cooling is performed, the cooling holes 6 enable the cooling speeds of the front face and the back face of the web 11 of the adjusting plate to be the same, so that the tensile stress generated by the web 11 and the reinforcing frame on the side plate 13 is reduced, and the possibility of re-deforming the side plate 13 is reduced. The thermal insulation achieves the effect of reducing the tensile stress between the orthopedic back edge plate 13 and the web 11, and at the same time, the orthopedic portion of the adjusting piece 1 is irreversibly orthopedic.
The embodiments of the present application are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (9)
1. A hot shaping mould of regulating plate, its characterized in that: comprising the following steps:
The lower correction die (2) is used for bearing the adjusting piece (1), one side wall of the lower correction die (2) is provided with an correction surface (21), the correction surface (21) is obliquely arranged, and the front surface of the adjusting piece (1) is attached to the correction surface (21); lifting grooves (22) and orthopedic grooves (23) are formed in two sides of the lower straightening die (2), the lifting grooves (22) are vertically formed, the straightening grooves (23) are obliquely formed, and the inclination angle of the orthopedic grooves (23) is the same as that of the orthopedic surface (21); the lifting groove (22) is communicated with the correcting groove (23), and the lifting groove (22) is positioned above the correcting groove (23);
The upper correction die (3) is positioned above the adjusting sheet (1) and is used for correcting the adjusting sheet (1); the upper straightening die (3) comprises a straightening plate (31) and a connecting plate (32), wherein the straightening plate (31) is provided with two pieces, and the straightening plate (31) is fixedly connected to the same side wall of the connecting plate (32) along the length direction of the connecting plate (32); the side wall of the straightening plate (31) deviating from the connecting plate (32) is abutted against the back surface of the side plate (13) of the regulating piece (1); a yielding groove (33) is formed between the two straightening plates (31) and is used for accommodating the web plate (11) and the reinforcing net (12) of the adjusting piece (1); the two sides of the upper straightening die (3) are fixedly connected with straightening and pulling arms (311), guide posts (312) are fixed on the side walls, which are close to each other, of one end, away from the upper straightening die (3), of the two straightening and pulling arms (311), and the guide posts (312) are slidably inserted into the lifting grooves (22) and the straightening grooves (23);
The upper straightening die (3) is provided with a plug hole (34), and the plug hole (34) penetrates through the upper straightening die (3) and is arranged in the lower straightening die (2); the inserting holes (34) are obliquely arranged, and the arranging direction of the inserting holes (34) is vertical to the oblique direction of the orthopedic surface (21); the lower correction die (2) is vertically provided with an orthopedic hole (24), and the orthopedic hole (24) is communicated with the inserting hole (34);
the correction locking piece (4) is used for correcting the adjusting piece (1) and locking the lower correction die (2) and the upper correction die (3); the correcting locking piece (4) comprises a stop lever (41), a correcting lever (42), an adjusting lever (43), a lock rod (44) and a correcting locking piece (45); the correction rod (42) is vertically and fixedly connected to the center position of the stop lever (41) in the length direction, and the correction rod (42) is inserted into the insertion hole (34); the stop lever (41) is positioned at one side of the upper correction die (3) which is away from the lower correction die (2); the adjusting rod (43) is vertically arranged, the adjusting rod (43) is fixedly connected to one end of the correcting rod (42) deviating from the stop rod (41), and the upper surface of the adjusting rod (43) gradually inclines downwards from one end deviating from the upper correcting die (3) to one end close to the upper correcting die (3); the lock rod (44) is inserted into the orthopedic hole (24), and the lower surface of the lock rod (44) gradually inclines upwards from one end away from the upper straightening die (3) to one end close to the upper straightening die (3); the locking piece (45) is fixedly connected with the upper surface of the lock rod (44).
2. A conditioner plate thermal correction die as defined in claim 1, wherein: the stop lever (41) is of a cylindrical structure.
3. A conditioner plate thermal correction die as defined in claim 1, wherein: the locking piece (45) is located above the upper straightening die (3), the lower surface of the locking piece (45) is fixedly connected with a stabilizing piece (5), a stabilizing groove (51) is formed in the upper surface of the upper straightening die (3), and the stabilizing piece (5) is inserted into the stabilizing groove (51).
4. A conditioner plate thermal correction die as defined in claim 1, wherein: a cooling hole (6) is formed in the lower correction die (2), the cooling hole (6) is obliquely formed, and the inclination angle is the same as that of the correction surface (21); the plurality of cooling holes (6) are distributed along the width direction of the lower straightening die (2); the cooling holes (6) are communicated end to end in sequence, and the cooling holes (6) positioned at two end points penetrate through the lower correction die (2).
5. A conditioner plate thermal correction die as defined in claim 1, wherein: the upper correction die (3), the lower correction die (2) and the correction locking piece (4) are all made of K424 nickel-based precipitation hardening type high-temperature alloy serving as raw materials.
6. A conditioner plate thermal correction die as defined in claim 1, wherein: a balancing weight (7) is arranged above the corrective locking block (45).
7. A method of thermal conditioning sheet shaping of a thermal conditioning sheet shaping die as set forth in any of claims 1-6 wherein: the method comprises the following steps:
S1, preparing a thermal orthopedic die; cleaning impurities on the surfaces of the upper correction die (3) and the lower correction die (2); the upper straightening die (3) is pulled upwards, the guide column (312) slides along the guide groove and the lifting groove (22), and the upper straightening die (3) is separated from the lower straightening die (2), so that the front surface of the adjusting piece (1) is abutted against the straightening surface (21); the upper straightening die (3) is put down to enable the straightening plate (31) to be abutted against the back surface of the side plate (13) of the adjusting piece (1); inserting the stop lever (41), the correction lever (42) and the adjusting lever (43) into the inserting hole (34); the lock rod (44) is inserted into the orthopedic hole (24) and is abutted against the upper surface of the adjusting rod (43);
S2, heating; the upper correction die (3), the lower correction die (2), the correction locking piece (4) and the regulating piece (1) are placed in a vacuum furnace together for heating; until the regulating piece (1) is in a solid solution state, and preserving heat;
S3, cooling and demoulding.
8. The method for hot straightening a conditioner plate of a hot straightening die for a conditioner plate according to claim 7, characterized in that: in step S3, one of the cooling holes (6) on both sides of the downward correction mold (2) is communicated with argon.
9. The method for hot straightening a conditioner plate of a hot straightening die for a conditioner plate according to claim 7, characterized in that: in step S2, the incubation time is 6-8 hours.
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| CN202311272347.7A CN117161142B (en) | 2023-09-28 | 2023-09-28 | Thermal correction die and method for adjusting sheet |
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| CN202311272347.7A CN117161142B (en) | 2023-09-28 | 2023-09-28 | Thermal correction die and method for adjusting sheet |
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