CN217121661U - Graphite mold for casting titanium alloy with thin-wall rib plate structure - Google Patents
Graphite mold for casting titanium alloy with thin-wall rib plate structure Download PDFInfo
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- CN217121661U CN217121661U CN202220160333.0U CN202220160333U CN217121661U CN 217121661 U CN217121661 U CN 217121661U CN 202220160333 U CN202220160333 U CN 202220160333U CN 217121661 U CN217121661 U CN 217121661U
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Abstract
The utility model discloses a graphite mold for thin wall gusset structure casting titanium alloy, this graphite mold includes: the sprue structure comprises a bottom plate, an outer mold, a left side plate, a right side plate, a mold core, a lower cover plate, an upper cover plate, a sprue, an air outlet runner, a sprue gasket and a sprue, wherein the sprue penetrates through the air outlet runner and the sprue gasket to be connected with the sprue, the bottom of the sprue is connected with the bottom plate, the bottom plate and the outer mold, the outer mold and the left side plate, the outer mold and the right side plate are connected through positioning pins, and the mold core and the left side plate, the mold core and the right side plate, the mold core and the lower cover plate are fixedly connected through bolts. The utility model provides a long, dark, the unable spraying refractory coating in narrow die cavity in the current graphite jig, influence the problem of foundry goods shaping quality, reached and reduced graphite jig cost of manufacture, improved beneficial effect such as foundry goods quality.
Description
Technical Field
The utility model belongs to the technical field of the mold processing technique and specifically relates to a graphite mold for thin wall gusset structure casting titanium alloy.
Background
Titanium and titanium alloy have the advantages of small density, high specific strength, corrosion resistance and the like, so that the titanium and titanium alloy are widely applied to the industries of aerospace, ships, medical treatment and the like. The forming method of the titanium alloy casting mainly comprises the steps of machining graphite casting and investment precision casting. Machined graphite molds are widely used because of their low linear expansion coefficient, good high temperature stability, easy machine-shaping, and high dimensional accuracy.
Graphite has high heat conductivity coefficient and heat capacity, so that molten titanium alloy liquid is cooled in a graphite casting mold at a high speed, chilling action is easy to generate, casting defects such as insufficient casting, cold shut, flow marks and the like are generated on a casting, and the surface quality of the casting is seriously influenced. Particularly, for some titanium alloy castings with large-scale complex thin-wall structures (less than 4 mm), the influence on the surface quality of the non-machined surface of the casting is more obvious. Therefore, when the graphite mold is adopted for casting and producing large-scale complex thin-wall titanium alloy castings, the graphite mold cavity is required to be sprayed with refractory coating.
When a graphite mould of the existing large complex thin-wall titanium alloy casting, especially a titanium alloy casting with complex staggered thin-wall rib plates, is sprayed with refractory paint, long, deep and narrow cavities which are staggered vertically and horizontally in the casting mould cannot be effectively sprayed with the refractory paint, so that the surface quality of the casting formed by casting is poor, and the casting is serious and even scrapped.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in order to solve the problems existing in the background technology, the improved graphite mould for casting the titanium alloy with the thin-wall rib plate structure is provided, and the problems that the casting quality of the casting is affected due to the fact that the casting defects such as insufficient pouring, cold shut, flow marks and the like are easily caused because refractory coatings cannot be sprayed in long, deep and narrow cavities in the existing graphite mould are solved.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a thin wall gusset structure casting graphite jig for titanium alloy, includes bottom plate, external mold, left side board, right side board, core, lower apron, upper cover plate, sprue, give vent to anger and water, runner gasket and sprue, the sprue pass to give vent to anger and water, the runner gasket is connected with the sprue, the sprue bottom is connected with the bottom plate, all be connected with the locating pin between bottom plate and the external mold, between external mold and the left side board and between external mold and the right side board, between core and the lower cover plate and between lower cover plate and the upper cover plate all through bolt fixed connection.
The mold core comprises a mold core main body, a first movable block, a second movable block and a third movable block, wherein the mold core main body, the first movable block, the second movable block and the third movable block are fixedly connected through positioning pins and bolts.
The utility model has the advantages that:
(1) the graphite mould for casting titanium alloy with the thin-wall rib plate structure has the advantages that the part with long, deep and narrow cavities in the graphite mould is made into the loose block structure, so that the spraying of refractory coating is easy, and the forming quality of a casting can be effectively improved;
(2) meanwhile, for the graphite mold with long, deep and narrow cavities, a split type movable block structure is manufactured, the mold can be machined and manufactured by adopting a common three-axis machine tool, and the machining and manufacturing cost of the mold can be effectively reduced.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the graphite mold core of the present invention.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The graphite mold for casting the titanium alloy with the thin-wall rib plate structure shown in fig. 1 and 2 comprises a bottom plate 1, an outer mold 2, a left side plate 3, a right side plate 4, a core 5, a lower cover plate 6, an upper cover plate 7, a sprue 8, an air outlet runner 9, a sprue gasket 10 and a sprue 11, wherein the sprue 11 penetrates through the air outlet runner 9 and the sprue gasket 10 to be connected with the sprue 8, the bottom of the sprue 8 is connected with the bottom plate 1, the bottom plate 1 and the outer mold 2, the outer mold 2 and the left side plate 3, the outer mold 2 and the right side plate 4 are connected through positioning pins, and the core 5 and the left side plate 3, the core 5 and the right side plate 4, the core 5 and the lower cover plate 6, and the lower cover plate 6 and the upper cover plate 7 are fixedly connected through bolts.
The mold core 5 comprises a mold core main body A, a first movable block B, a second movable block C and a third movable block D, and the mold core main body A, the first movable block B, the second movable block C and the third movable block D are fixedly connected through a positioning pin and a bolt.
Before the mold core 5 is assembled, the mold core main body A, the movable block B, the movable block C and the movable block D are sprayed with refractory coatings, after the spraying is completed, the mold core 5 is fastened and connected with the left side plate 3, the right side plate 4, the lower cover plate 6 and the upper cover plate 7 in sequence. And after the assembly is finished, fastening and connecting the graphite mold through bolts.
The graphite mould for casting titanium alloy with the thin-wall rib plate structure has the advantages that the part with long, deep and narrow cavities in the graphite mould is made into the loose block structure, so that the spraying of refractory coating is easy, and the forming quality of a casting can be effectively improved; meanwhile, for the graphite mold with long, deep and narrow cavities, a split type movable block structure is manufactured, the mold can be machined and manufactured by adopting a common three-axis machine tool, and the machining and manufacturing cost of the mold can be effectively reduced.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (2)
1. The utility model provides a thin wall gusset structure casting graphite mold for titanium alloy, includes bottom plate (1), external mold (2), left side board (3), right side board (4), core (5), lower cover plate (6), upper cover plate (7), sprue (8), gives vent to anger and waters (9), runner packing ring (10) and sprue (11), characterized by: the sprue (11) penetrates through the gas outlet pouring gate (9), the pouring gate gasket (10) and is connected with the sprue (8), the bottom of the sprue (8) is connected with the bottom plate (1), the bottom plate (1) and the outer die (2), the outer die (2) and the left side plate (3) and the outer die (2) and the right side plate (4) are connected through positioning pins, and the core (5) is fixedly connected with the left side plate (3), the core (5) and the right side plate (4), the core (5) and the lower cover plate (6) and the upper cover plate (7) through bolts.
2. The graphite mold for casting titanium alloy with the thin-wall rib plate structure according to claim 1, is characterized in that: the mold core (5) comprises a mold core main body (A), a first movable block (B), a second movable block (C) and a third movable block (D), and the mold core main body (A), the first movable block (B), the second movable block (C) and the third movable block (D) are fixedly connected through a positioning pin and a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220160333.0U CN217121661U (en) | 2022-01-20 | 2022-01-20 | Graphite mold for casting titanium alloy with thin-wall rib plate structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220160333.0U CN217121661U (en) | 2022-01-20 | 2022-01-20 | Graphite mold for casting titanium alloy with thin-wall rib plate structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217121661U true CN217121661U (en) | 2022-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220160333.0U Active CN217121661U (en) | 2022-01-20 | 2022-01-20 | Graphite mold for casting titanium alloy with thin-wall rib plate structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217121661U (en) |
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2022
- 2022-01-20 CN CN202220160333.0U patent/CN217121661U/en active Active
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