CN220259483U - Casting sand box for connecting flange of gear box of wind generating set - Google Patents
Casting sand box for connecting flange of gear box of wind generating set Download PDFInfo
- Publication number
- CN220259483U CN220259483U CN202321643232.XU CN202321643232U CN220259483U CN 220259483 U CN220259483 U CN 220259483U CN 202321643232 U CN202321643232 U CN 202321643232U CN 220259483 U CN220259483 U CN 220259483U
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- sand
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- box
- sand core
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- 244000035744 Hura crepitans Species 0.000 title claims abstract description 28
- 238000005266 casting Methods 0.000 title claims abstract description 23
- 239000004576 sand Substances 0.000 claims abstract description 35
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 235000013372 meat Nutrition 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The utility model discloses a casting sand box of a gear box connecting flange of a wind generating set, which comprises an upper die and a lower die formed according to a workpiece parting surface, wherein the upper die comprises an upper sand box, an upper sand die and an upper die core; the lower die comprises a lower sand box, a lower sand die and a lower die core, riser heads are distributed in the upper sand die, pouring gates are distributed in the lower sand die, the lower die core is provided with a sand core which is detachably connected, and the sand core and the lower die core are provided with lower profiling surfaces which are matched with lower parting surfaces of workpieces; the beneficial effects of the utility model are as follows: the product is more complicated, the parting difficulty needs to be reduced, the lower mold core adopts a sand core split structure to form a corresponding profiling surface, so that the lower sand mold can form a corresponding cavity, the processing difficulty is reduced, and the production operation is convenient.
Description
Technical Field
The utility model relates to the technical field of metal casting, in particular to a casting sand box for a gear box connecting flange of a wind generating set.
Background
As shown in FIG. 7, the connecting flange is a part of a wind power generator, is a bearing part of wind power equipment, and needs to meet specific use requirements such as load bearing under the environment temperature of stronger wind, forty degrees centigrade below zero and the like.
Disclosure of Invention
The utility model aims to solve the technical problems and provides a casting sand box for a gear box connecting flange of a wind generating set, wherein a lower mold core adopts a split structure to form a corresponding profiling surface, so that a lower sand mold can form a corresponding cavity.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: a casting sand box of a gear box connecting flange of a wind generating set comprises an upper die and a lower die which are formed according to a workpiece parting surface, wherein the upper die comprises an upper sand box, an upper sand die and an upper die core; the lower die comprises a lower sand box, a lower sand die and a lower die core, riser heads are distributed in the upper sand die, pouring gates are distributed in the lower sand die, the lower die core is provided with a sand core which is detachably connected, and the sand core and the lower die core are provided with lower profiling surfaces which are matched with lower parting surfaces of workpieces.
In order to form the sand core, the quality of castings is easy to improve, and the further preferred technical scheme also comprises a sand core box which is arranged in a separated mode, wherein a profiling cavity matched with the outer contour of the sand core is arranged in the sand core box, and a top cover which is buckled with the opening of the sand core box is arranged at the opening of the sand core box.
In order to improve the structural strength of the sand core, a further preferable technical scheme is that the bottom surface of the profiling cavity is provided with a sand core keel, and a plurality of S-shaped reinforcing hooks which are staggered with the sand core keel are arranged along the sand core keel.
In order to prevent the sand core from being damaged at the opening position and improve the quality of the sand core, a further preferable technical scheme is that detachable loose pieces are further arranged in the profiling cavity, and the loose pieces are matched with the outer contour of the sand core.
In order to improve the strength of the core bar, a further preferable technical scheme is that the sand core keel is of a trapezoid structure.
In order to prevent the phenomenon of casting lack of meat caused by sand core sinking in product casting, a further preferable technical scheme is that a lock core hole is arranged on the sand core, and the lower mold core is connected with the sand core through a screw rod penetrating through the lock core hole.
Compared with the prior art, the utility model has the beneficial effects that: the product is complex, the parting difficulty needs to be reduced, the lower mold core adopts a sand core split structure to form a corresponding profiling surface, so that the lower sand mold can form a corresponding cavity, the processing difficulty is reduced, and the production operation is convenient;
the sand core is manufactured through the special sand core box, the sand core opening position is easy to damage, the quality of the sand core is improved through the movable block, and the strength of the sand core is enhanced through the special sand core keel.
Drawings
FIG. 1 is an isometric view of the present utility model;
FIG. 2 is an isometric view of a lower mold core of the present utility model;
FIG. 3 is an isometric view of a sand core of the present utility model;
FIG. 4 is an isometric view of a sand core box of the present utility model;
FIG. 5 is an isometric view of the internal structure of the sand core box of the present utility model;
FIG. 6 is an isometric view of the present utility model after mold closing;
FIG. 7 is an isometric view of a workpiece of the present utility model;
in the figure: 1. a cope flask; 2. riser; 3. sand feeding; 4. an upper mold core; 5. a lower mold core; 6. a gate; 7. a sand mould is arranged; 8. a sand core; 9. a drag flask; 10. a top cover; 11. a sand core box; 12. a sand core keel; s-shaped reinforcing hooks; 14. a movable block; 15. a workpiece.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Examples
As shown in fig. 1, a torque arm casting sand box of a front box body of a gearbox of a wind generating set is provided with an upper die and a lower die according to a parting surface, wherein the upper die comprises a sand box 1, a sand box 3 and a die core 4; the upper sand box 1 is provided with an upper cavity, the upper mold core 4 corresponding to the upper cavity of the upper sand box 1 is provided with an upper profiling surface which is matched with the upper parting surface of the workpiece, the upper profiling surface and the upper cavity of the upper sand box are internally provided with a sand feeding mold 3 formed by casting sand, the sand feeding mold 3 is distributed with a plurality of riser heads 2,
as shown in fig. 2 and 3, the lower mold includes a drag flask 9, a drag mold 7, and a lower core 5; the lower sand box 9 is provided with a lower cavity, the lower mold core 5 corresponding to the lower cavity of the lower sand box 9 is provided with a sand core 8, the sand core 8 is provided with a lock core hole, the lower mold core 5 is connected with the sand core 8 through a screw rod penetrating through the lock core hole, the connected lower mold core 5 and the sand core 8 are provided with a lower profiling surface which is matched with a lower parting surface of a workpiece, and the lower profiling surface on the lower mold core 5 and the lower cavity of the lower sand box are internally provided with a lower sand mold 7 formed by casting sand; the pouring gates 6 are distributed in the lower sand mould 7,
as shown in fig. 4, in order to form the shape of the sand core 8, the casting quality is easy to improve, and further, the sand core box 11 is separately arranged, a profiling cavity matched with the outer contour of the sand core is arranged in the sand core box 11, and a top cover 10 which is buckled with the opening of the sand core box 11 is arranged.
As shown in fig. 5, in order to improve the structural strength of the sand core 8, further, the bottom surface of the profiling cavity is provided with a sand core keel 12, and six S-shaped reinforcing hooks 13 staggered with the sand core keel 12 are provided along the sand core keel 12.
In order to prevent the sand core 8 from being damaged at the starting position and improve the quality of the sand core 8, further, a detachable loose piece 14 is further arranged in the profiling cavity, and the loose piece 14 is matched with the outer contour of the sand core.
To increase the strength of the core keels 12, further, the core keels 12 are in a trapezoid structure.
The working principle is that firstly, a sand core 8 is manufactured through a sand core box 11, a sand core keel 12 is arranged in the sand core box 11, an S-shaped reinforcing hook 13 is arranged on the sand core keel 12 along the sand core keel, then the sand core 8 is cast, then the sand core 8 is arranged on a lower mold core 5, an upper mold and a lower mold are respectively assembled, specifically, an upper mold core 4 is assembled to an upper sand box 1, casting sand is filled between an upper profiling surface of the upper mold core 4 and an upper cavity of the upper sand box 1, then a plurality of riser heads 2 are uniformly arranged in the sand, and then the casting sand is solidified at high temperature to form an upper sand mold 3, an upper profiling cavity with the upper profiling surface being identical is arranged on the upper sand mold 3, and meanwhile, the riser heads 2 are solidified on one side, close to the upper sand box 1, of the upper sand mold 3;
similarly, the lower mold core 5 is assembled to the drag flask 9, casting sand is filled between the lower profiling surface of the lower mold core 5 and the lower cavity of the drag flask 9, then pouring gates are uniformly arranged in the sand, then the casting sand is solidified at high temperature to form a lower sand mold 7, the lower sand mold 7 is provided with a lower profiling cavity with the lower profiling surface matched with the lower profiling surface, and meanwhile, the pouring gates 6 are solidified on one side, close to the drag flask 9, of the lower sand mold 7;
as shown in fig. 6, the upper mold core 4 of the upper mold is removed, and at the same time, the lower mold core 5 of the lower mold is removed, the upper mold is fastened to the lower mold, the cope flask 1 is fastened to the drag flask 9, the cope mold 3 is fastened to the drag mold 7, the upper profiling cavity of the cope mold 3 and the lower profiling cavity of the drag mold 8 are fastened together to form the shape of the workpiece 15, and then the cast workpiece 15 is formed by pouring through a gate.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. A casting sand box of a gear box connecting flange of a wind generating set comprises an upper die and a lower die which are formed according to a workpiece parting surface, wherein the upper die comprises an upper sand box, an upper sand die and an upper die core; the lower die comprises a lower sand box, a lower sand die and a lower die core, riser heads are distributed in the upper sand die, and pouring gates are distributed in the lower sand die.
2. The casting sand box for the connecting flange of the gearbox of the wind generating set according to claim 1, further comprising a sand core box which is arranged in a separated mode, wherein a profiling cavity matched with the outer contour of the sand core is arranged in the sand core box, and a buckled top cover is arranged at the opening of the sand core box.
3. The casting sand box for the gear box connecting flange of the wind generating set according to claim 2, wherein a sand core keel is arranged on the bottom surface of the profiling cavity, and a plurality of S-shaped reinforcing hooks which are staggered with the sand core keel are arranged along the sand core keel.
4. A wind turbine generator system gearbox flange casting flask according to claim 3 wherein said profiling cavity is further provided with a removable loose piece, said loose piece matching the outer contour of said sand core.
5. A wind turbine generator system gearbox flange casting flask according to claim 3 wherein said sand core keel is of a trapezoidal configuration.
6. The casting sand box for the gear box connecting flange of the wind generating set according to claim 1, wherein a lock core hole is formed in the sand core, and the lower mold core is connected with the sand core through a screw penetrating through the lock core hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321643232.XU CN220259483U (en) | 2023-06-27 | 2023-06-27 | Casting sand box for connecting flange of gear box of wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321643232.XU CN220259483U (en) | 2023-06-27 | 2023-06-27 | Casting sand box for connecting flange of gear box of wind generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220259483U true CN220259483U (en) | 2023-12-29 |
Family
ID=89303079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321643232.XU Active CN220259483U (en) | 2023-06-27 | 2023-06-27 | Casting sand box for connecting flange of gear box of wind generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220259483U (en) |
-
2023
- 2023-06-27 CN CN202321643232.XU patent/CN220259483U/en active Active
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