CN212495126U - Hollow step axle forging frock of high temperature alloy - Google Patents
Hollow step axle forging frock of high temperature alloy Download PDFInfo
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- CN212495126U CN212495126U CN202020874320.0U CN202020874320U CN212495126U CN 212495126 U CN212495126 U CN 212495126U CN 202020874320 U CN202020874320 U CN 202020874320U CN 212495126 U CN212495126 U CN 212495126U
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Abstract
The utility model discloses a hollow step axle forging frock of superalloy belongs to the relevant instrument field of superalloy forging instrument, and its technical scheme main points are including supporting drift and fetal membrane, be provided with first forming surface, second forming surface and third forming surface on the lateral surface of drift, first forming surface and the vertical arrangement of third forming surface, the slope of second forming surface is arranged, the fetal membrane is the annular, be provided with fourth forming surface and fifth forming surface on the inner wall of fetal membrane, fourth forming surface and the vertical setting of fifth forming surface, the utility model has the advantages of design dedicated frock, restraint high temperature alloy forging irregular deformation to reach the purpose of stabilizing product state, improve the utilization ratio of raw and other materials, reduction in production cost.
Description
Technical Field
The utility model relates to a high temperature alloy forges the relevant instrument field of instrument, in particular to hollow step axle forging frock of high temperature alloy.
Background
The high-temperature alloy is a metal material which takes iron, nickel and cobalt as the base and can work for a long time at the high temperature of more than 600 ℃ under the action of certain stress; the high-temperature alloy has high-temperature strength, good oxidation resistance and corrosion resistance, good comprehensive properties such as fatigue property and fracture toughness, and the like, and the high-temperature alloy has a single austenite structure and has good structure stability and use reliability at various temperatures. Because of their good properties, superalloys are widely used to manufacture the hottest end parts of aircraft jet engines and various industrial gas turbines.
In the process of designing and producing the forged piece, due to various factors such as personnel, equipment, environment, raw materials and processes, the hollow step shaft forged piece has deformation defects such as eccentricity, concave center, material shortage, bending and warping in the forging process, and cannot meet the requirement of drawing delivery, so that the forged piece is scrapped.
As for deformation in the forging process of the high-temperature alloy hollow step shaft forging piece, the deformation meter is included by increasing the forging machining allowance, the machining requirement can be met even if deformation occurs, but the forging machining allowance is increased, the production period is prolonged, the production cost is increased, waste of raw materials is caused, and the problem of product deformation is not solved fundamentally.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hollow step axle forging frock of superalloy, its advantage lies in designing dedicated frock, retrains irregular deformation of superalloy forging to reach the purpose of stabilizing the product state, improve the utilization ratio of raw and other materials, reduction in production cost.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a hollow step axle forging frock of superalloy, includes supporting drift and fetal membrane, be provided with first shaping surface, second shaping surface and third shaping surface on the lateral surface of drift, first shaping surface and the vertical arrangement of third shaping surface, the slope of second shaping surface is arranged, the fetal membrane is the annular, be provided with fourth shaping surface and fifth shaping surface on the inner wall of fetal membrane, the vertical setting of fourth shaping surface and fifth shaping surface.
Furthermore, a fillet is arranged at the joint of the fourth molding surface and the fifth molding surface, and the radius of the fillet is 40 mm.
Further, the height of the fourth molding surface is 121 +/-1 mm, and the height of the fifth molding surface is 177 +/-1 mm.
Furthermore, the inner hole of the fetal membrane is a stepped hole, the diameter of one end of the stepped hole is 525 mm plus or minus 1mm, and the diameter of one end of the stepped hole is 665 mm plus or minus 1 mm.
Further, the height of the first molding surface and the third molding surface is 20 +/-1 mm.
Further, the diameter of one end of the punch is 330 +/-1 mm, and the diameter of the other end of the punch is 445 +/-1 mm.
To sum up, the utility model discloses following beneficial effect has:
1. the forging piece is placed in an inner hole of the tire membrane, the punch is pressed into the inner hole of the forging piece and drives the forging piece to move towards the interior of the tire membrane, the first molding surface, the second molding surface and the third molding surface are in contact with the inner wall of the forging piece and deform the forging piece, the fourth molding surface and the fifth molding surface are in contact with the outer wall of the forging piece and deform the forging piece, irregular deformation of the high-temperature alloy forging piece is restrained, the purpose of stabilizing the product state is achieved, the utilization rate of raw materials is improved, and production cost is reduced;
2. because fourth becomes profile and fifth becomes profile transition position and is the position that the forging size changed by a wide margin, stress concentration leads to the forging to appear the crack easily appearing, sets up the fillet for reducing stress concentration, reduces the fracture of forging.
Drawings
FIG. 1 is a schematic view of the construction of a punch;
FIG. 2 is a schematic view of the structure of the tire membrane;
FIG. 3 is a schematic structural view of a formed forging.
In the figure, 1, a punch; 11. a first molding surface; 12. a second molding surface; 13. a third molding surface; 2. a fetal membrane; 21. a fourth molding surface; 211. rounding off; 22. and a fifth molding surface.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Example (b): the utility model provides a hollow step axle forging frock of superalloy, combines shown in fig. 1 and fig. 2, including supporting drift 1 and the fetal membrane 2 that uses, in work, the staff places the forging in fetal membrane 2, later uses the punching machine to press drift 1 to the forging, and the forging is located between drift 1 and fetal membrane 2 this moment, and the forging receives extrusion between them to make corresponding deformation.
As shown in figure 1, the punch 1 is designed like a truncated cone, the diameter of one end of the punch 1 is 330 plus or minus 1mm, the diameter of the other end of the punch 1 is 445 plus or minus 1mm, and the height of the punch 1 is 300 plus or minus 1 mm. The punch 1 is provided with a first molding surface 11, a second molding surface 12 and a third molding surface 13 on the outer side, the first molding surface 11 and the third molding surface 13 are vertically arranged, the second molding surface 12 is obliquely arranged, wherein the height of the first molding surface 11 and the third molding surface 13 is 20 +/-1 mm. During operation, the punch 1 is inserted into an inner hole of the forging, and the first molding surface 11, the second molding surface 12 and the third molding surface 13 are abutted against the inner wall of the forging to drive the inner wall of the forging to deform.
As shown in fig. 2, the membrane 2 is designed like a ring, the outer diameter of the membrane 2 is 850 + -1 mm, and the height of the membrane 2 is 298 + -5 mm. The inner hole of the fetal membrane 2 is a stepped hole, the diameter of one end of the stepped hole is 525 +/-1 mm, and the diameter of one end of the stepped hole is 665 +/-1 mm. Be provided with fourth profiled surface 21 and fifth profiled surface 22 on the inner wall of fetal membrane 2, fourth profiled surface 21 and the vertical setting of fifth profiled surface 22, the height of fourth profiled surface 21 is 121 ± 1mm, the height of fifth profiled surface 22 is 177 ± 1mm, the junction of fourth profiled surface 21 and fifth profiled surface 22 is provided with radius 211, the radius of radius 211 is 40mm, because the easy stress concentration in the great position of size variation range, no matter be the forging of fetal membrane 2 or processing of fetal membrane 2 all has the possibility of the fracture appearance, so set up radius 211 and carry out steady transition, reduce stress concentration.
The specific implementation process comprises the following steps: 1. blanking: the superalloy rod size is 250(+2/0) mm × 610(+3/0) mm.
2. Heating: heating the high-temperature alloy bar to 1020 ℃, and then preserving heat for 180 min.
3. Upsetting and reaming: and (3) carrying out upsetting punching on the high-temperature alloy bar to obtain: phi 385 + -5 × phi 250 + -5 × 300 + -5.
4. Hot material returning: and returning the hot material to the furnace and heating for 60 min.
5. Forging: firstly, placing the forging into the tire membrane 2, and then placing the punch 1 into the forging for forming (the forging is shown in figure 3).
6. And (3) cooling: and air cooling.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (6)
1. The utility model provides a hollow step axle forging frock of high temperature alloy which characterized in that: including supporting drift (1) and fetal membrane (2), be provided with first molding surface (11), second molding surface (12) and third molding surface (13) on the lateral surface of drift (1), first molding surface (11) and third molding surface (13) are vertical to be arranged, second molding surface (12) slope is arranged, fetal membrane (2) are the annular, be provided with fourth molding surface (21) and fifth molding surface (22) on the inner wall of fetal membrane (2), fourth molding surface (21) and the vertical setting of fifth molding surface (22).
2. The high-temperature alloy hollow step shaft forging tool according to claim 1, characterized in that: and a fillet (211) is arranged at the joint of the fourth molding surface (21) and the fifth molding surface (22), and the radius of the fillet (211) is 40 mm.
3. The high-temperature alloy hollow step shaft forging tool according to claim 2, characterized in that: the height of the fourth molding surface (21) is 121 +/-1 mm, and the height of the fifth molding surface (22) is 177 +/-1 mm.
4. The high-temperature alloy hollow step shaft forging tool according to claim 1, characterized in that: the inner hole of the fetal membrane (2) is a stepped hole, the diameter of one end of the stepped hole is 525 +/-1 mm, and the diameter of one end of the stepped hole is 665 +/-1 mm.
5. The high-temperature alloy hollow step shaft forging tool according to claim 1, characterized in that: the height of the first molding surface (11) and the third molding surface (13) is 20 +/-1 mm.
6. The high-temperature alloy hollow step shaft forging tool according to claim 1, characterized in that: the diameter of one end of the punch head (1) is 330 +/-1 mm, and the diameter of the other end of the punch head (1) is 445 +/-1 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020874320.0U CN212495126U (en) | 2020-05-22 | 2020-05-22 | Hollow step axle forging frock of high temperature alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020874320.0U CN212495126U (en) | 2020-05-22 | 2020-05-22 | Hollow step axle forging frock of high temperature alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212495126U true CN212495126U (en) | 2021-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020874320.0U Active CN212495126U (en) | 2020-05-22 | 2020-05-22 | Hollow step axle forging frock of high temperature alloy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212495126U (en) |
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2020
- 2020-05-22 CN CN202020874320.0U patent/CN212495126U/en active Active
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