CN216606917U - Device for processing outer cylinder of heavy gas turbine fairing by compression molding method - Google Patents
Device for processing outer cylinder of heavy gas turbine fairing by compression molding method Download PDFInfo
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- CN216606917U CN216606917U CN202123289826.9U CN202123289826U CN216606917U CN 216606917 U CN216606917 U CN 216606917U CN 202123289826 U CN202123289826 U CN 202123289826U CN 216606917 U CN216606917 U CN 216606917U
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Abstract
The utility model relates to a device for processing a heavy-duty gas turbine fairing outer cylinder by a compression molding method, in particular to a device for processing a fairing outer cylinder, which solves the problem that the fairing is difficult to expand in a whole circle after being welded into a cylinder. The product structures are combined, single piece blanking, rounding and profiling are carried out on each segment of the outer cylinder of the fairing to obtain the lower end surface flanging, the waist-shaped hole is directly aligned to the lower end surface when the single piece blanking is carried out, deformation caused by welding is avoided, the subsequent assembly difficulty is reduced, the working efficiency is improved, and the production period is shortened. The utility model belongs to the technical field of gas turbines.
Description
Technical Field
The utility model relates to a device for processing a fairing outer cylinder, in particular to a device for processing a heavy-duty gas turbine fairing outer cylinder by a profiling method, and belongs to the technical field of gas turbines.
Background
A fairing outer cylinder in a 300MW heavy-duty gas turbine combustion chamber project is surrounded by 6 circular arc-shaped steel plates of 022Cr19Ni10 with the wall thickness of 2mm, a large number of kidney-shaped holes are formed in the surface of each steel plate, and a full-circle flanging structure used for being assembled with a rear part and increasing the radial strength of a fairing is arranged on the lower end face of each steel plate. In the original in-factory process, the whole ring is blanked, rounded and welded into a cylinder, and the lower end surface flanging is pressed by adopting an expansion tool in a whole ring mode.
SUMMERY OF THE UTILITY MODEL
The utility model further provides a device for profiling the outer cylinder of the heavy-duty combustion engine fairing in a single piece, which solves the problem that the fairing is difficult to be formed into a cylinder in a whole circle expansion mode after being welded into a cylinder.
The technical scheme adopted by the utility model for solving the problems is as follows:
the die comprises a support, an upper die, a lower die and a plurality of pressing plates, wherein the lower die is horizontally arranged, the pressing plates are arranged side by side along the width direction of the lower die, each pressing plate is connected with the lower die through a bolt, the upper die is positioned at the upper part of each pressing plate, and the lower surface of the support is fixedly connected with the upper surface of the upper die.
Furthermore, the support comprises an upper plate, two first rib plates, a second rib plate and a lower plate, wherein the upper plate and the lower plate are arranged in parallel relatively, the first rib plates and the second rib plates are arranged in a cross shape, the upper ends of the first rib plates and the second rib plates are fixedly connected with the lower surface of the upper plate, and the lower ends of the first rib plates and the second rib plates are fixedly connected with the upper surface of the lower plate.
Furthermore, a positioning groove is formed in the middle of the lower surface of the lower plate.
Furthermore, a protruding block matched with the positioning groove is arranged on the upper surface of the upper die; the lower surface of the upper die is provided with an arc which protrudes outwards, and two ends of the upper die are respectively provided with a guide hole matched with the guide post.
Further, the upper surface of lower mould be equipped with circular arc complex recess, the both sides edge of recess is equipped with three first screws of group relatively, the both ends of lower mould be equipped with guide post complex second guide way.
Furthermore, the device for processing the outer cylinder of the heavy-duty combustion engine fairing by the compression molding method further comprises two guide columns, wherein the two guide columns are respectively arranged at two ends of the upper surface of the lower die and positioned at two sides of the groove.
Further, the lower surface of each pressure plate is provided with a protruding part matched with the groove.
Further, the device still includes the dog, and the dog is fixed at the right side outer wall of lower mould.
Furthermore, the right side wall of the upper die and the right side wall of the lower die are positioned on the same plane.
The utility model has the beneficial effects that:
the product structures are combined, single blanking, rounding and profiling are carried out on each segment of the outer cylinder of the fairing to obtain lower end surface flanging, the product precision is guaranteed, the defect that the bulging in the traditional meaning is difficult to guarantee the size and is easy to deform is avoided, the subsequent assembly difficulty is reduced, the working efficiency is improved, and the production period is shortened.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a schematic structural view of a stent;
FIG. 4 is a side view of FIG. 3;
FIG. 5 is a top view of FIG. 3;
FIG. 6 is a schematic structural view of an upper die;
FIG. 7 is a side view of FIG. 6;
FIG. 8 is a schematic top view of FIG. 6;
FIG. 9 is a schematic view of the structure of the lower mold;
FIG. 10 is a side view of FIG. 9;
FIG. 11 is a schematic view of the construction of the platen;
fig. 12 is a side view of fig. 11.
Detailed Description
The first embodiment is as follows: the present embodiment is described with reference to fig. 1 to 2, and includes a bracket 1, an upper die 2, a lower die 3, and a plurality of pressing plates 5, where the lower die 3 is horizontally disposed, the pressing plates 5 are disposed side by side along a width direction of the lower die 3, each pressing plate 5 is connected to the lower die 3 through a bolt, the upper die 2 is located on an upper portion of the pressing plate 5, and a lower surface of the bracket 1 is fixedly connected to an upper surface of the upper die 3.
The second embodiment is as follows: the embodiment is described with reference to fig. 3 to 5, the bracket 1 of the embodiment includes an upper plate 1-1, two first rib plates 1-2, a second rib plate 1-3 and a lower plate 1-4, the upper plate 1-1 and the lower plate 1-4 are arranged in parallel, the first rib plates 1-2 and the second rib plates 1-3 are arranged in a cross shape, the upper ends of the first rib plates 1-2 and the second rib plates 1-3 are fixedly connected with the lower surface of the upper plate 1-1, and the lower ends of the first rib plates 1-2 and the second rib plates 1-3 are fixedly connected with the upper surface of the lower plate 1-4.
Other components and connections are the same as those in the first embodiment.
The third concrete implementation mode: referring to fig. 3, the lower plate 1-4 of the present embodiment is provided with a positioning groove 1-4-1 at the middle of the lower surface thereof.
Other components are connected in the same manner as in the first or second embodiment.
The fourth concrete implementation mode: the embodiment is described with reference to fig. 6 to 8, in which the upper surface of the upper mold 2 is provided with a protruding block 2-1 matching with the positioning groove 1-4-1; the lower surface of the upper die 2 is provided with an arc 2-2 protruding outwards, and two ends of the upper die 2 are respectively provided with a guide hole 2-3 matched with the guide post 4. Other components and connection relationships are the same as those in the first, second or third embodiment.
The fifth concrete implementation mode: the embodiment is described with reference to fig. 9 to 10, in the embodiment, a groove 3-1 matched with the arc 2-2 is formed on the upper surface of the lower die 5, three groups of first screw holes 3-1-1 are oppositely formed at the edges of two sides of the groove 3-1, and second guide grooves 3-2 matched with the guide posts 4 are formed at two ends of the lower die 3.
Other components and connections are the same as those of the first, second, third or fourth embodiments.
The sixth specific implementation mode: the embodiment is described with reference to fig. 1 and 2, and the device for processing the outer cylinder of the heavy combustion engine fairing by the compression molding method further comprises two guide posts 4 which are respectively arranged at two ends of the upper surface of the lower die 3 and are positioned at two sides of the groove 3-1.
Other components and connection relationships are the same as those in the first, second, third, fourth or fifth embodiment.
The seventh embodiment: referring to fig. 11, the lower surface of each pressing plate 5 of the present embodiment is provided with a protrusion 5-1 engaged with the groove 3-1.
Other components and connection relationships are the same as those in the first, second, third, fourth, fifth or sixth embodiment.
The specific implementation mode is eight: referring to fig. 2, the present embodiment is described, and the apparatus further includes a stopper 6, and the stopper 6 is fixed to the right outer wall of the lower mold 3.
Other components and connection relations are the same as those of the first, second, third, fourth, fifth, sixth or seventh embodiment.
The specific implementation method nine: the present embodiment will be described with reference to fig. 2, in which the right side wall of the upper mold 2 and the right side wall of the lower mold 3 are located on the same plane.
Other components and connection relationships are the same as those of the first, second, third, fourth, fifth, sixth, seventh or eighth embodiment.
The working principle is as follows:
the method comprises the following steps: mounting workpiece
The bolts and the three pressing plates 5 are taken down from the lower die 3, the workpiece is placed on the profiling position of the lower die 3, the front end of the workpiece is tightly attached to the stop block 6, the three pressing plates 5 are installed, two ends of each pressing plate 5 are fixed with the lower die 3 through the two bolts, and the workpiece is ready for profiling after being positioned;
step two: profiling die
The support 1 is fixed on a driving mechanism of a press machine through bolts, when in compression molding, two guide posts penetrate through guide holes 2-3 at two ends of the upper die 2, the upper die 2 is driven by the support 1 to move downwards, and the front end of a workpiece is compressed for the first time;
step three: calibration type
And lifting the upper die, and carrying out secondary pressing on the workpiece to correct the pressing size.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (9)
1. A device for processing a heavy-duty combustion engine fairing outer cylinder by a compression molding method is characterized in that: the novel die comprises a support (1), an upper die (2), a lower die (3) and a plurality of pressing plates (5), wherein the lower die (3) is horizontally arranged, the pressing plates (5) are arranged side by side along the width direction of the lower die (3), each pressing plate (5) is connected with the lower die (3) through a bolt, the upper die (2) is located on the upper portion of each pressing plate (5), and the lower surface of the support (1) is fixedly connected with the upper surface of the upper die (2).
2. The device for processing the outer cylinder of the heavy combustion engine fairing by the profiling method as claimed in claim 1, is characterized in that: the support (1) comprises an upper plate (1-1), two first rib plates (1-2), two second rib plates (1-3) and a lower plate (1-4), wherein the upper plate (1-1) and the lower plate (1-4) are arranged in parallel relatively, the first rib plates (1-2) and the second rib plates (1-3) are arranged in a cross shape, the upper ends of the first rib plates (1-2) and the second rib plates (1-3) are fixedly connected with the lower surface of the upper plate 1-1, and the lower ends of the first rib plates (1-2) and the second rib plates (1-3) are fixedly connected with the upper surface of the lower plate (1-4).
3. The device for processing the outer cylinder of the heavy combustion engine fairing by the profiling method as claimed in claim 2, is characterized in that: the middle part of the lower surface of the lower plate (1-4) is provided with a positioning groove (1-4-1).
4. The device for processing the outer cylinder of the heavy combustion engine fairing by the profiling method as claimed in claim 1, is characterized in that: the upper surface of the upper die (2) is provided with a convex block (2-1) matched with the positioning groove (1-4-1); the lower surface of the upper die (2) is provided with an arc (2-2) protruding outwards, and two ends of the upper die (2) are respectively provided with a guide hole (2-3) matched with the guide post (4).
5. The device for processing the outer cylinder of the heavy combustion engine fairing by the profiling method as claimed in claim 1, is characterized in that: the upper surface of the lower die (3) is provided with a groove (3-1) matched with the arc (2-2), the edges of two sides of the groove (3-1) are oppositely provided with three groups of first screw holes (3-1-1), and two ends of the lower die (3) are provided with second guide grooves (3-2) matched with the guide columns (4).
6. The device for processing the outer cylinder of the heavy combustion engine fairing by the profiling method as claimed in claim 1, is characterized in that: the device for processing the outer cylinder of the heavy combustion engine fairing by the compression molding method further comprises two guide posts (4), wherein the two guide posts are respectively arranged at two ends of the upper surface of the lower die (3) and are positioned at two sides of the groove (3-1).
7. The device for processing the outer cylinder of the heavy combustion engine fairing by the profiling method as claimed in claim 1, is characterized in that: the lower surface of each pressure plate (5) is provided with a protruding part (5-1) matched with the groove (3-1).
8. The device for processing the outer cylinder of the heavy combustion engine fairing by the profiling method as claimed in claim 1, is characterized in that: the device also comprises a stop block (6), wherein the stop block (6) is fixed on the outer wall of the right side of the lower die (3).
9. The device for processing the outer cylinder of the heavy combustion engine fairing by the profiling method as claimed in claim 1, is characterized in that: the right side wall of the upper die (2) and the right side wall of the lower die (3) are positioned on the same plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123289826.9U CN216606917U (en) | 2021-12-24 | 2021-12-24 | Device for processing outer cylinder of heavy gas turbine fairing by compression molding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123289826.9U CN216606917U (en) | 2021-12-24 | 2021-12-24 | Device for processing outer cylinder of heavy gas turbine fairing by compression molding method |
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| Publication Number | Publication Date |
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| CN216606917U true CN216606917U (en) | 2022-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202123289826.9U Active CN216606917U (en) | 2021-12-24 | 2021-12-24 | Device for processing outer cylinder of heavy gas turbine fairing by compression molding method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115415408A (en) * | 2022-09-05 | 2022-12-02 | 江苏东方瑞吉能源装备有限公司 | Connecting pipe cover plate pressing die, production method thereof and liner pipe cover plate forming method |
-
2021
- 2021-12-24 CN CN202123289826.9U patent/CN216606917U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115415408A (en) * | 2022-09-05 | 2022-12-02 | 江苏东方瑞吉能源装备有限公司 | Connecting pipe cover plate pressing die, production method thereof and liner pipe cover plate forming method |
| CN115415408B (en) * | 2022-09-05 | 2023-09-26 | 江苏东方瑞吉能源装备有限公司 | Pipe connecting cover plate pressing die, production method thereof and liner pipe cover plate forming method |
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