CN216632183U - Automatic production line for warm-hot forming of aviation aluminum alloy - Google Patents
Automatic production line for warm-hot forming of aviation aluminum alloy Download PDFInfo
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- CN216632183U CN216632183U CN202122671772.6U CN202122671772U CN216632183U CN 216632183 U CN216632183 U CN 216632183U CN 202122671772 U CN202122671772 U CN 202122671772U CN 216632183 U CN216632183 U CN 216632183U
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Abstract
The utility model provides an automatic production line for warm-hot forming of an aviation aluminum alloy, which comprises a solid solution treatment furnace, a transfer device, a hot-pressing machine, a stamping die and an aging treatment furnace, wherein a heated plate is transmitted into the hot-pressing machine through the transfer device at a discharge end of the solid solution treatment furnace; the transfer device comprises a transfer frame for transferring the plate, an end picking device and a heat preservation shell arranged on the end picking device. According to the utility model, the problem of sudden temperature drop in the transferring process of the aluminum alloy is solved through the transferring device with the heat preservation function, warm-hot forming of the aluminum alloy is realized, and compared with a hot forming and W forming production line, the aging treatment process of the aluminum alloy is omitted, and the production efficiency is greatly improved.
Description
Technical Field
The utility model mainly relates to the technical field of aluminum alloy hot forming of large aviation components, in particular to an automatic production line for warm-hot stamping forming of aviation aluminum alloy.
Background
With the gradual maturity of the domestic aviation technology, the localization of large-scale and thin-wall aviation structural parts such as an engine lip is imperative. However, the aviation aluminum alloy has high strength and small elastic modulus, and is formed at room temperature, so that the plasticity of the material is low, and the forming of complex components is difficult to realize. In recent years, warm forming is proposed, wherein the material is heated to 200-300 ℃, the dislocation migration capability of the material is improved, the deformation resistance of the material is reduced, and finally the forming of complex components is realized. However, in actual production, due to uneven cooling of the plate, the generated thermal stress and rebound are large, so that warm forming of the aluminum alloy is not realized industrially.
The published Chinese invention patent, application number CN105834268A, patent name: aluminum alloy plate hot stamping forming production line, application date: 20160328, the box furnace with rolling mechanism is used to directly spray fire and heat the two sides of the plate, the heating furnace has more complex structure, the heating temperature of the plate is uneven, and the plate is difficult to be produced in batch in industry. Furthermore, for large aerospace components, the material cannot be truly industrially applied.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides an automatic production line for warm-hot forming of an aviation aluminum alloy, which comprises a solid solution treatment furnace 7, a transfer device, a hot pressing machine 8, a stamping die 9 and an aging treatment furnace, wherein the heated plate is transmitted into the hot pressing machine 8 through the transfer device at the discharge end of the solid solution treatment furnace 7, a manipulator 10 is installed on one side, close to the solid solution treatment furnace 7, of the hot pressing machine 8 through a manipulator cross beam 5, the manipulator 10 moves back and forth among the solid solution treatment furnace 7, the transfer device, the hot pressing machine 8 and the aging treatment furnace, and the plate is conveyed into a die cavity of the stamping die 9;
transfer device is including transferring frame 11, the end effector of transferring the sheet material and installing the heat preservation shell 13 on the end effector, the end effector includes connecting plate 6, longeron 4, aluminum pipe 2, clamp 1, install on manipulator 10 at the top of connecting plate 6, and the bottom is fixed on longeron 4 of a pair of parallel, the aluminum pipe 2 is perpendicular and wears to locate longeron 4 and fixed through aluminum pipe fixing base 3, clamp 1 that presss from both sides and establish panel is still installed at the both ends of aluminum pipe 2.
Preferably, the aluminum pipe 2 is provided with two kinds, a long aluminum rod and a short aluminum rod, the outer circumference of the plate is clamped by the clamps 1 installed at both ends of the long aluminum rod, and the inner circumference of the plate is clamped by the clamps 1 installed at both ends of the short aluminum rod.
Preferably, the long aluminum rods are arranged in a three-dimensional mode at equal intervals, the short aluminum rods are arranged in a two-dimensional mode at equal intervals, and the long aluminum rods and the short aluminum rods are arranged at intervals.
Preferably, the heat preservation shell 13 is installed at the bottom of the longitudinal beam 4 and the bottom of the cross beam 5, the interior of the heat preservation shell is fixed through a plurality of round bars, the temperature of the heat preservation shell 13 is controlled to be 200-300 ℃, the inner side of the heat preservation shell 13 is coated with a thermal barrier coating, and a temperature sensor is installed for carrying out multi-point temperature measurement.
Preferably, a cooling system is arranged in the stamping die 9, the cooling system comprises a cooling pipe arranged in the lower die 12, and two ends of the cooling pipe penetrate through the lower die 12 and respectively control the water inlet and outlet amount through a water valve.
Preferably, the solution treatment furnace 7 adopts a roller type heating furnace or a box type heating furnace, and is provided with a circulating fan, the heating rate is 25-200 ℃/min, and the highest heating temperature is 400-700 ℃.
Preferably, the end effector is made of aluminum magnesium alloy or carbon fiber composite material.
The utility model has the beneficial effects that: through the transfer device with the heat preservation function, the problem of sudden temperature drop in the aluminum alloy transfer process is solved, the warm-hot forming of the aluminum alloy is realized, the aging treatment process of the aluminum alloy is omitted compared with a hot forming and W forming production line, and the production efficiency is greatly improved.
Drawings
FIG. 1 is a block diagram of the present invention, wherein the holding shell, the aging furnace and the solution treatment furnace are identical in structure and not shown;
FIG. 2 is a block diagram of the present invention with respect to an end effector;
FIG. 3 is an assembly view of the present invention with respect to an end effector and a thermal shell;
FIG. 4 is a block diagram of the cooling system of the present invention;
in the figure, the position of the upper end of the main shaft,
1. clamping; 2. an aluminum tube; 3. an aluminum pipe fixing seat; 4. a stringer; 5. a cross beam; 6. a connecting plate; 7. a solution treatment furnace; 8. hot pressing machine; 9. a stamping die; 10. a manipulator; 11. a transfer frame; 12. a lower die; 13. and (4) a heat preservation shell.
Detailed Description
In order to make the technical solutions of the present invention better understood and make the above features, objects, and advantages of the present invention more comprehensible, the present invention is further described below with reference to the following examples. The examples are intended to illustrate the utility model and are not intended to limit the scope of the utility model.
As shown in fig. 1 to 4, the present invention includes: the device comprises a solution treatment furnace 7, a transfer device, a hot pressing machine 8, a stamping die 9 and an aging treatment furnace, wherein the heated plate is conveyed into the hot pressing machine 8 by the discharge end of the solution treatment furnace 7 through the transfer device, a manipulator 10 is installed on one side, close to the solution treatment furnace 7, of the hot pressing machine 8 through a manipulator cross beam 5, the manipulator 10 moves back and forth among the solution treatment furnace 7, the transfer device, the hot pressing machine 8 and the aging treatment furnace, and the plate is conveyed into a die cavity of the stamping die 9;
transfer device is including transferring frame 11, the end effector of transferring the sheet material and installing the heat preservation shell 13 on the end effector, the end effector includes connecting plate 6, longeron 4, aluminum pipe 2, clamp 1, the top of connecting plate 6 is installed on manipulator 10, and the bottom is fixed on longeron 4 of a pair of parallel, aluminum pipe 2 is perpendicular and wears to locate longeron 4 and fixed through aluminum pipe fixing base 3, clamp 1 that presss from both sides and establish panel is still installed at the both ends of aluminum pipe 2.
In this embodiment, it is preferable that the aluminum pipe 2 is provided with two kinds, a long aluminum rod and a short aluminum rod, and the outer circumference of the plate material is sandwiched by the clamps 1 installed at both ends of the long aluminum rod and the inner circumference of the plate material is sandwiched by the clamps 1 installed at both ends of the short aluminum rod.
In this embodiment, preferably, three long aluminum rods are arranged at equal intervals, two short aluminum rods are arranged at equal intervals, and the long aluminum rods and the short aluminum rods are arranged at intervals.
Set up above-mentioned structure, because panel is a ring, at the in-process that removes the transportation, not only will guarantee steady transmission, still need prevent to warp, consequently be provided with the aluminium pole of two kinds of different lengths and reach the purpose.
In the implementation, preferably, the heat preservation shell 13 is installed at the bottom of the longitudinal beam 4 and the bottom of the cross beam 5, the interior of the heat preservation shell is fixed through a plurality of round rods, the temperature of the heat preservation shell 13 is controlled at 200-300 ℃, the inner side of the heat preservation shell 13 is coated with a thermal barrier coating, and a temperature sensor is installed to perform multipoint temperature measurement.
By the structure, heat dissipation to the heat preservation box is reduced, heating power of the heat preservation box is reduced, the plate is maintained at a set temperature by controlling the opening and closing state and the power of the heating device, and the stability of the performance of the structural part is improved.
In this embodiment, it is preferable that a cooling system is disposed in the stamping die 9, the cooling system includes a cooling pipe disposed in the lower die 12, and both ends of the cooling pipe penetrate through the lower die 12 and respectively control the amount of water flowing in and out through a water valve.
The structure is arranged, and the cooling system is additionally arranged in the die, wherein the temperature of the cooling water path is 0-50 ℃, and the purpose of preventing the thermal stress deformation caused by overhigh temperature in the molding process of the hot-pressing machine is also realized.
In the implementation, the solution treatment furnace 7 is preferably a roller type heating furnace or a box type heating furnace, and is provided with a circulating fan, the heating rate is 25-200 ℃/min, and the highest heating temperature is 400-.
By adopting the structure, if the roller type continuous furnace is adopted, the industrial batch production is convenient to realize, and the small-batch trial production is convenient to carry out by adopting the multilayer box type furnace.
In the present embodiment, it is preferable that the end effector is made of an aluminum magnesium alloy or a carbon fiber composite material.
By means of the structure, the problem that the end pick-up device is large in inertia and shakes due to overlarge size of a large aviation component is solved, and feeding accuracy of plates is improved. And taking the plate out of the heating furnace through the end pick, and quickly moving the plate to a die for stamping.
In use, the method comprises the following process steps:
step S1: solution heat treatment:
heating the plate in a solid solution heating furnace at the temperature of 500-550 ℃, preserving heat for 10-50min, and simultaneously enabling the transfer device to be close to the solid solution heating furnace;
step S2: plate clamping:
the plate subjected to the heat treatment in the step S1 is combined with a transfer device moving to a furnace mouth, a manipulator is started, a descending end picking device clamps the plate, the plate is clamped within 0-10S, and the plate is put into a heat preservation shell;
step S3: the plate is transferred and sent into the die cavity
After the step S2, the plate is moved to a stamping die within 1-20S through a transfer device, at the moment, a mechanical gripper transfers the aluminum alloy plate to a die cavity within 0-5S, the transfer device is withdrawn from a hot-pressing machine, and the transfer finishing temperature is 450-500 ℃;
step S4: hot stamping forming
After the step S3, the hot press descends, the mold is closed within 2-10S, and then pressure maintaining cooling is carried out;
wherein the descending speed of the first section of press is 250-500mm/s, and the descending speed of the second section of press is 50-100mm/s, so that the dynamic recovery and recrystallization behaviors of the aluminum alloy member in the forming process are regulated and controlled by controlling the forming speed, and the performance optimization of the aluminum alloy member in the forming process is realized;
step S5: and (3) pressure maintaining and cooling of the die:
the pressure maintaining pressure is 2-15Mpa, and the pressure maintaining time is 5-30 s;
step S6: aging treatment:
transferring the plate to an aging treatment furnace, wherein the heating temperature is 120-200 ℃, the heat preservation time is 2-20, the heating rate is 5-15 ℃/min, and the cooling rate is 5-15 ℃/min; the aim is to reduce the deformation of a large member in the process of heating and cooling.
The above-described embodiments are merely illustrative of the principles and utilities of the present application and are not intended to limit the present application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of this patent application.
Claims (7)
1. The automatic production line for warm-hot forming of the aviation aluminum alloy is characterized by comprising a solution treatment furnace (7), a transfer device, a hot-pressing press (8), a stamping die (9) and an aging treatment furnace, wherein the heated plate is conveyed into the hot-pressing press (8) by the discharge end of the solution treatment furnace (7) through the transfer device, a manipulator (10) is installed on one side, close to the solution treatment furnace (7), of the hot-pressing press (8) through a manipulator cross beam (5), the manipulator (10) moves back and forth among the solution treatment furnace (7), the transfer device, the hot-pressing press (8) and the aging treatment furnace, and conveys the plate into a die cavity of the stamping die (9);
transfer device is including transporting frame (11), the end effector of transferring the sheet material and installing heat preservation shell (13) on the end effector, the end effector includes connecting plate (6), longeron (4), aluminum pipe (2), clamp (1), install on manipulator (10) at the top of connecting plate (6), the bottom is fixed on longeron (4) of a pair of parallel, aluminum pipe (2) are perpendicular and wear to locate longeron (4) and fixed through aluminum pipe fixing base (3), clamp (1) of pressing from both sides and establishing panel are still installed at the both ends of aluminum pipe (2).
2. The automatic production line for warm forming of aviation aluminum alloy according to claim 1, wherein: the aluminum pipe (2) is provided with two types, namely a long aluminum rod and a short aluminum rod, the clamp (1) arranged at two ends of the long aluminum rod clamps the outer circumference of the plate, and the clamp (1) arranged at two ends of the short aluminum rod clamps the inner circumference of the plate.
3. The automatic production line for warm forming of aviation aluminum alloy according to claim 2, wherein: the long aluminum rods are arranged in a three-dimensional mode at equal intervals, the short aluminum rods are arranged in a two-dimensional mode at equal intervals, and the long aluminum rods and the short aluminum rods are arranged at intervals.
4. The automatic production line for warm forming of aviation aluminum alloy according to claim 3, wherein: the heat preservation shell (13) is arranged at the bottom of the longitudinal beam (4) and the bottom of the cross beam (5), the interior of the heat preservation shell is fixed through a plurality of round rods, the temperature of the heat preservation shell (13) is controlled to be 200-plus-300 ℃, the inner side of the heat preservation shell (13) is coated with a thermal barrier coating, and a temperature sensor is arranged for multi-point temperature measurement.
5. The automatic production line for warm forming of aviation aluminum alloy according to claim 4, wherein: a cooling system is arranged in the stamping die (9), the cooling system comprises a cooling pipe arranged in the lower die (12), and two ends of the cooling pipe penetrate through the lower die (12) and respectively control the water inlet and outlet amount through water valves.
6. The automatic production line for warm forming of aviation aluminum alloy according to claim 5, wherein: the solution treatment furnace (7) adopts a roller type heating furnace or a box type heating furnace and is provided with a circulating fan, the heating rate is 25-200 ℃/min, and the highest heating temperature is 400-700 ℃.
7. The automatic production line for warm forming of aviation aluminum alloy according to claim 6, wherein: the end effector is made of aluminum magnesium alloy or carbon fiber composite materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122671772.6U CN216632183U (en) | 2021-11-03 | 2021-11-03 | Automatic production line for warm-hot forming of aviation aluminum alloy |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122671772.6U CN216632183U (en) | 2021-11-03 | 2021-11-03 | Automatic production line for warm-hot forming of aviation aluminum alloy |
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| CN216632183U true CN216632183U (en) | 2022-05-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115520640A (en) * | 2022-10-13 | 2022-12-27 | 成都成飞航空产业发展有限责任公司 | Automatic production line for aviation aluminum pipes |
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2021
- 2021-11-03 CN CN202122671772.6U patent/CN216632183U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115520640A (en) * | 2022-10-13 | 2022-12-27 | 成都成飞航空产业发展有限责任公司 | Automatic production line for aviation aluminum pipes |
| CN115520640B (en) * | 2022-10-13 | 2023-12-12 | 成都成飞航空产业发展有限责任公司 | Aviation aluminum pipe automated production line |
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