CN216857834U - A school type frock for thin wall foundry goods - Google Patents
A school type frock for thin wall foundry goods Download PDFInfo
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- CN216857834U CN216857834U CN202122482370.1U CN202122482370U CN216857834U CN 216857834 U CN216857834 U CN 216857834U CN 202122482370 U CN202122482370 U CN 202122482370U CN 216857834 U CN216857834 U CN 216857834U
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Abstract
The utility model belongs to the technical field of titanium and titanium alloy casting, and particularly relates to a sizing tool for a thin-wall casting, which comprises the following components: the shape of the first positioning plate is the same as that of the first mounting edge of the thin-wall casting, and the first positioning plate is suitable for being mounted with the inner edge of the first mounting edge in the thin-wall casting in a matching manner; the second positioning plate is connected with the first positioning plate, and a plurality of screw holes are uniformly distributed on the periphery of the second positioning plate; the shape of the second positioning plate is the same as that of the second mounting edge of the thin-wall casting, and the second positioning plate is suitable for being mounted with the inner edge of the second mounting edge in the thin-wall casting in a matched mode; and the adjusting nut is inserted into the screw hole, the end part of the adjusting nut is abutted to the second mounting edge, and the adjusting nut is suitable for adjusting the distance between the second mounting edge and the second positioning plate so as to shape the thin-wall casting. The structure is simple, the operation is convenient, the one-time qualification rate of the sizing is high, the dimensional precision of the sized casting meets the precision requirement, and the sizing effect is good.
Description
Technical Field
The utility model belongs to the technical field of titanium and titanium alloy casting, and particularly relates to a sizing tool for a thin-wall casting.
Background
Titanium and titanium alloy materials are widely used in the fields of aviation, aerospace, ships and the like, titanium alloy parts with complex structures and thin walls are generally formed into blanks by adopting a near-net forming process, and precision casting is one of main near-net forming processes. The precision casting of the titanium alloy is limited by the influences of factors such as inconsistent shrinkage of each structure, repair welding deformation and the like, deformation is easy to occur in the process of developing a casting, and especially when the wall thickness of the casting is not more than 2mm, the size of a deformed end face is easy to exceed the requirement of the dimensional precision of a drawing.
Therefore, in order to overcome the defects, the utility model urgently needs to provide a sizing tool for the thin-wall casting.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a sizing tool for a thin-wall casting, and aims to solve the problem that the thin-wall titanium and titanium alloy casting exceeds the dimensional accuracy requirement of a drawing in the prior art.
The utility model provides a sizing tool for a thin-wall casting, which comprises: the shape of the first positioning plate is the same as that of the first mounting edge of the thin-wall casting, and the first positioning plate is suitable for being mounted with the inner edge of the first mounting edge of the thin-wall casting in a matching manner; the second positioning plate is connected with the first positioning plate, and a plurality of screw holes are uniformly distributed on the periphery of the second positioning plate; the second positioning plate is suitable for being matched and mounted with the second mounting edge of the thin-wall casting; and the adjusting nut is inserted into the screw hole and is suitable for adjusting the distance between the second mounting edge of the thin-wall casting and the peripheral edge of the second positioning plate.
The sizing tool for the thin-wall casting further preferably comprises a connecting column, and two ends of the connecting column are respectively and vertically connected with the first positioning plate and the second positioning plate.
In the sizing tool for the thin-wall casting, preferably, the first positioning plate, the second positioning plate, the connecting column and the adjusting nut are made of heat-resistant steel.
Preferably, the first positioning plate, the second positioning plate and the connecting column are of an integrally formed structure.
In the sizing tool for a thin-wall casting, it is further preferable that the first positioning plate is circular or polygonal.
In the sizing tool for the thin-wall casting, it is further preferable that the second positioning plate is circular or polygonal.
Preferably, a plurality of lightening holes are uniformly distributed on the second positioning plate.
In the sizing tool for a thin-wall casting, it is further preferable that the central axis of the first positioning plate coincides with the central axis of the second positioning plate.
The sizing tool for the thin-wall casting is further preferably provided with scales for prompting the screwing size on the adjusting nut along the length direction.
Compared with the prior art, the utility model has the following advantages:
the utility model provides a sizing tool for a thin-wall casting, which mainly comprises a first positioning plate, a second positioning plate and an adjusting nut, wherein the first positioning plate is used for being installed in a matched mode with the inner edge of a first installation edge of the thin-wall casting, the second positioning plate is suitable for being installed in a matched mode with the inner edge of a second installation edge of the thin-wall casting, and the second positioning plate is provided with a plurality of screw holes for installing the adjusting nut. The structural arrangement enables the distance between the second positioning plate and the second mounting edge to be adjusted through the adjusting nut when the thin-wall casting and the sizing tool are installed in a matched mode, and then sizing can be conducted on the second mounting edge by taking the second positioning plate as a reference; the second positioning plate is fixedly connected with the first positioning plate, and the first positioning plate is installed with the first installation edge in a matching mode, so that the second installation edge can be corrected by taking the first installation edge as a reference; the first mounting edge and the second mounting edge are connected through the thin wall, the deformation performance of the thin wall is good, and the thin wall can be adjusted along with adjustment of the first mounting edge and the second mounting edge, so that the shape correction of the thin-wall casting is realized. The structure is simple, the operation is convenient, the one-time qualification rate of the sizing is high, and the dimensional precision of the sized casting meets the precision requirement, so the sizing effect is good.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic perspective structure diagram of a sizing tool for thin-wall castings according to the present invention;
FIG. 2 is a schematic perspective structure diagram of a sizing tool for thin-wall castings according to the present invention;
FIG. 3 is an assembly schematic diagram of the sizing tool and the thin-wall casting.
Description of reference numerals:
1-a first positioning plate, 2-a second positioning plate, 3-an adjusting nut, 4-a connecting column, 5-a lightening hole, 6-a thin-wall casting, 7-a first mounting edge and 8-a second mounting edge.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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 invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the terms in the present invention can be understood in a specific case to those skilled in the art.
The sizing tool provided by the embodiment is mainly used for sizing the thin-wall casting 6, and preferably is mainly used for the thin-wall casting 6 with the first mounting edge 7 and the second mounting edge 8, wherein the thicknesses of the first mounting edge 7 and the second mounting edge 8 are larger than that of the main body part of the casting, and the sizing tool is suitable for sizing and mounting. The sizing tool in this embodiment mainly performs sizing on the first mounting edge 7 and the second mounting edge 8, and drives the thin wall of the thin-wall casting 6 to be adjusted synchronously through the sized first mounting edge 7 and second mounting edge 8, so as to further achieve sizing of the thin-wall casting 6.
As shown in fig. 1-2, the sizing tool for a thin-wall casting provided in this embodiment mainly includes a first positioning plate 1, a second positioning plate 2, an adjusting nut 3, and a connecting column 4.
The shape of the first positioning plate 1 is the same as that of the first mounting edge 7 of the thin-wall casting 6, and can be a circle, a triangle, a rectangle or other polygons; the size of the first positioning plate 1 is basically the same as the size of the inner edge of the first installation edge 7 of the thin-wall casting 6, the first positioning plate is suitable for being installed on the inner edge of the first installation edge 7 of the thin-wall casting 6 in an adaptive mode during assembling, and after the first positioning plate is installed, the single-edge gap between the first positioning plate 1 and the first installation edge 7 is not larger than 0.5 mm.
The second positioning plate 2 is connected to the first positioning plate 1, and has the same shape as the second mounting edge 8 of the thin-wall casting 6, and can be circular, triangular, rectangular or other polygonal shapes. The size of the second positioning plate 2 is smaller than the size of the inner edge of the second mounting edge 8 of the thin-wall casting 6, and the second positioning plate is suitable for being positioned inside the second mounting edge 8 of the thin-wall casting 6 after being matched and mounted; preferably, the second positioning plate 2 is dimensioned according to the design dimension of the second mounting edge 8, and specifically, the dimension of the second positioning plate 2 is obtained by inwardly offsetting the design dimension of the second mounting edge 8 by 5-30mm, so that the second positioning plate 2 is positioned on the inner side of the second mounting edge 8 and reserves an adjusting space for the adjusting nut 3, and is also used for limiting the adjustable range of the second mounting edge 8. The second positioning plate 2 is also provided with a plurality of lightening holes 5, and the lightening holes 5 are mainly used for conveniently observing the assembly state of the first positioning plate 1 and the first mounting edge 7, reducing the weight of the second positioning plate 2 and facilitating grasping; in this embodiment, the lightening holes 5 are fan-shaped and uniformly distributed on the second positioning plate.
A plurality of screw holes are uniformly distributed on the periphery of the second positioning plate 2; specifically, when the second positioning plate 2 is circular, the number of the screw holes is more than 4, and preferably, the number of the screw holes is 10; when the second positioning board 2 is polygonal, the screw holes are uniformly distributed on each edge, and at least two screw holes are distributed on each edge. The quantity of adjusting nut 3 is the same with the quantity of screw to correspond the cartridge in the screw, during the specific use, adjust the distance between second locating plate 2 and the second installation limit 8 through rotatory adjusting nut 3, and cooperate other steps, with the school type of realization second installation limit 8. Specifically, the adjusting nut 3 for mainly adjusting the inward contraction part of the second mounting edge 8 uniformly struts the second mounting edge 8 through the adjusting nut 3, and the outward expansion part is synchronously driven to be inwardly folded in the process of the strut, so that the shape correction is realized.
The second positioning plate 2 is arranged on the first positioning plate 1 through a connecting column 4 with the height slightly smaller than that of the thin-wall casting 6, so that the height of the sizing tool is basically the same as that of the thin-wall casting 6, and the outer edge of the second positioning plate 2 corresponds to the position of a second mounting edge 8 of the thin-wall casting 6. Preferably, first locating plate 1, second locating plate 2 and spliced pole 4 are integrated into one piece structure, and integrated into one piece structure can avoid influencing the school type precision because of the assembly precision of first locating plate 1, second locating plate 2 and spliced pole 4, and then improves the school type precision.
The shape of first locating plate 1 and second locating plate 2 can be the same, also can be the combination use of different shapes, and is preferred, and first locating plate 1 and second locating plate 2 are circular in this embodiment, and coaxial setting for first installation limit 7, second installation limit 8 are circular and coaxial setting's thin wall casting 6. Compare in polygonal structure's first installation limit 7, second installation limit 8, the inside atress of second installation limit 8 of circular structure can be relatively even when receiving nut 3 effect, and then can reduce the influence to the shape because of the second installation limit 8 is tensile in the school type in-process, and then obtain better school type effect.
Further, the processing materials of the first positioning plate 1, the second positioning plate 2, the connecting column 4 and the adjusting nut 3 are heat-resistant steel (ZG)3Cr18Mn12Si2N) to ensure that the heat-resisting temperature of the first positioning plate 1, the second positioning plate 2, the connecting column 4 and the adjusting nut 3 is not less than 900 ℃. The limitation of the heat-resisting temperature is suitable for ensuring that the sizing tool does not deform in the sizing adjustment and high-temperature annealing processes of the thin-wall casting 6.
As shown in fig. 3, the present embodiment also discloses a use method of the sizing tool by taking the conical-like titanium alloy thin-wall casting 6 as an example:
firstly, assembling a thin-wall casting 6 and a sizing tool together, wherein the sizing tool is positioned in an inner cavity of the thin-wall casting 6, a first positioning plate 1 is assembled in a first mounting edge 7 of the thin-wall casting 6, the end surface is flush with the first mounting edge 7 of the thin-wall casting 6, and the single edge of an assembly gap is not more than 0.5 mm; the second positioning plate 2 is flush with the second mounting edge 8, the adjusting nut 3 is adjusted, the end face of the adjusting nut 3 at the position of the elliptical short axis of the second mounting edge 8 is abutted against the inner wall of the second mounting edge 8, and the adjusting nut 3 at the position of the elliptical long axis of the second mounting edge 8 is not contacted with the second mounting edge 8;
secondly, uniformly heating the second installation side 8 elliptical short shaft part of the thin-wall casting 6 under the atmospheric condition, uniformly screwing the adjusting nut 3 while heating, uniformly spreading the short shaft part until the diameter of the short shaft part exceeds the diameter of the part by 1mm, and stopping shape correction;
and (3) integrally loading the sizing tool and the casting into a vacuum annealing furnace, annealing the thin-wall casting 6 according to the GJB2896A-2007 standard requirement, keeping the deformation positions of the adjusting nut 3 and the thin-wall casting 6 fixed until the annealing process is finished, cooling, finishing the sizing operation, and separating the sizing tool and the thin-wall casting 6.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. The utility model provides a school type frock for thin wall foundry goods which characterized in that includes:
the shape of the first positioning plate is the same as that of the first mounting edge of the thin-wall casting, and the first positioning plate is suitable for being mounted with the inner edge of the first mounting edge in the thin-wall casting in a matching manner;
the second positioning plate is connected with the first positioning plate, and a plurality of screw holes are uniformly distributed on the periphery of the second positioning plate; the shape of the second positioning plate is the same as that of the second mounting edge of the thin-wall casting, and the second positioning plate is suitable for being mounted with the inner edge of the second mounting edge in the thin-wall casting in a matching manner;
and the adjusting nut is inserted into the screw hole, the end part of the adjusting nut is abutted to the second mounting edge, and the adjusting nut is suitable for adjusting the distance between the second mounting edge and the second positioning plate so as to shape the thin-wall casting.
2. The sizing tool for the thin-wall casting according to claim 1, further comprising a connecting column, wherein two ends of the connecting column are respectively and vertically connected with the first positioning plate and the second positioning plate.
3. The sizing tool for the thin-wall casting according to claim 2, wherein the first positioning plate, the second positioning plate, the connecting column and the adjusting nut are made of heat-resistant steel.
4. The sizing tool for the thin-wall casting according to claim 3, wherein the first positioning plate, the second positioning plate and the connecting column are of an integrally formed structure.
5. A sizing tool for a thin-walled casting according to claim 1, wherein the first locating plate is circular or polygonal.
6. A sizing tool for a thin-wall casting according to claim 1, wherein the second positioning plate is circular or polygonal.
7. The sizing tool for the thin-wall casting according to claim 1, wherein a plurality of lightening holes are uniformly distributed on the second positioning plate.
8. A sizing tool for a thin-walled casting according to claim 1, wherein the central axis of the first positioning plate coincides with the central axis of the second positioning plate.
9. The sizing tool for the thin-wall casting according to claim 1, wherein scales for prompting a screwing size are arranged on the adjusting nut along the length direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122482370.1U CN216857834U (en) | 2021-10-14 | 2021-10-14 | A school type frock for thin wall foundry goods |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122482370.1U CN216857834U (en) | 2021-10-14 | 2021-10-14 | A school type frock for thin wall foundry goods |
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| CN216857834U true CN216857834U (en) | 2022-07-01 |
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| CN202122482370.1U Active CN216857834U (en) | 2021-10-14 | 2021-10-14 | A school type frock for thin wall foundry goods |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115464008A (en) * | 2022-08-30 | 2022-12-13 | 北京航空材料研究院股份有限公司 | Method and tool for calibrating titanium alloy rear base |
| CN115584452A (en) * | 2022-10-31 | 2023-01-10 | 山西江淮重工有限责任公司 | Anti-deformation and shape-correcting device for heat treatment of aluminum alloy casting and application |
-
2021
- 2021-10-14 CN CN202122482370.1U patent/CN216857834U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115464008A (en) * | 2022-08-30 | 2022-12-13 | 北京航空材料研究院股份有限公司 | Method and tool for calibrating titanium alloy rear base |
| CN115584452A (en) * | 2022-10-31 | 2023-01-10 | 山西江淮重工有限责任公司 | Anti-deformation and shape-correcting device for heat treatment of aluminum alloy casting and application |
| CN115584452B (en) * | 2022-10-31 | 2024-03-15 | 山西江淮重工有限责任公司 | Anti-deformation and shape correcting device for heat treatment of aluminum alloy castings and application thereof |
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