CN216027986U - Die-casting die core structure for impeller - Google Patents
Die-casting die core structure for impeller Download PDFInfo
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- CN216027986U CN216027986U CN202120911294.9U CN202120911294U CN216027986U CN 216027986 U CN216027986 U CN 216027986U CN 202120911294 U CN202120911294 U CN 202120911294U CN 216027986 U CN216027986 U CN 216027986U
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Abstract
The utility model relates to a die-casting die core structure for a sector wheel, which comprises an upper die core, a lower die core and a runner block, wherein the upper die core and the lower die core are arranged in an up-and-down stacking manner, a die cavity is arranged between the upper die core and the lower die core, the middle part of the upper end surface of the upper die core is provided with a runner port extending into the die cavity, the middle part of the upper end surface of the upper die core is provided with the runner block, the lower part of the right side of the runner block is provided with a runner groove extending to the runner port, and the left part of the upper die core is provided with an insert inserted into the edge of the left end of the die cavity. The utility model has the characteristics of simple structure, product quality assurance, production efficiency improvement and the like.
Description
Technical Field
The utility model relates to the technical field of mold cores, in particular to a die-casting mold core structure for a fan wheel.
Background
The fan wheel structure of original is because the outer lane all adopts the arc structure, the phenomenon of inside gas shrinkage cavity appears in the production process easily, and its leading cause lies in, and during aluminium liquid was filled, runner position and fan wheel peripheral distance overlength, and the aluminium liquid velocity of flow is not enough, causes the cooling too fast for inside gas shrinkage cavity appears, in order to solve above-mentioned problem, designs a new mold core structure very necessary.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide a die-casting die core structure for a fan wheel, which has the characteristics of simple structure, product quality assurance, production efficiency improvement and the like.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a die-casting mold core structure for flabellum, includes mold core, lower mold core and runner piece, last mold core and lower mold core stack from top to bottom and arrange, last mold core and lower mold core between be provided with the die cavity, last mold core up end middle part set up the runner mouth that stretches into the die cavity, last mold core up end middle part be provided with the runner piece, runner piece right side lower part is provided with the runner groove that extends to the runner mouth, last mold core left part be provided with the mold insert that inserts die cavity left end edge.
As a supplement to the technical scheme, the lower part of the die cavity is provided with a circle of forming groove, the outer ring of the forming groove is provided with an arc-shaped ring surface which is bent upwards and extends, and the arc-shaped ring surface is evenly provided with arc-shaped rib grooves.
As a supplement to the technical scheme, a boss is arranged on the right side of the upper end of the insert.
As a supplement to the technical scheme, an inclined notch is formed in the left part of the lower end of the insert, and a forming block is arranged on the inclined notch.
As a supplement to the technical scheme, the middle part of the forming block is provided with a notch groove.
As a supplement to the technical scheme, the lower end of the insert is provided with an insert exhaust groove.
As a supplement to the technical scheme, a circle of slag ladle grooves surrounding the die cavity are uniformly arranged on the upper end surface of the lower die core, and an exhaust shallow groove extending to the outer side of the lower die core is formed in one side of each slag ladle groove.
As a supplement to the technical scheme, the four corners of the upper end surface of the lower die core are provided with positioning bosses.
Has the advantages that: the utility model relates to a die-casting die core structure for a fan wheel, which has the following specific beneficial effects:
(1) the single runner block is arranged in the technical scheme and used as an independent runner, so that the material handle in the runner can be taken out when demoulding is greatly facilitated, the production efficiency is greatly improved, the product can be taken out conveniently, the runner port is arranged in the middle of the upper mold core, aluminum liquid can be diffused outwards synchronously when being injected, the outer ring of the product is synchronously molded, and the inner gas shrinkage cavity is avoided;
(2) through setting up the mold insert, make things convenient for the product shaping back, carry out certain extrusion, the production of gas shrinkage cavity is avoided to the unnecessary air of discharge.
Drawings
FIG. 1 is a structural view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a top view of a lower die core according to the present invention;
FIG. 4 is a structural view of a ladle trough according to the present invention;
fig. 5 is a structural view of an insert according to the present invention.
The figure is as follows: 1. the mold comprises an upper mold core, 2, a lower mold core, 3, an insert, 4, a runner block, 5, a runner groove, 6, a slag ladle groove, 7, a positioning boss, 8, an exhaust shallow groove, 9, a mold cavity, 10, an arc rib groove, 11, a forming groove, 12, an inclined notch, 13, an insert exhaust groove, 14, a forming block, 15, a notch groove, 16, a boss, 17 and a product.
Detailed Description
The utility model will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
The embodiment of the utility model relates to a die-casting die core structure for a sector wheel, which comprises an upper die core 1, a lower die core 2 and a runner block 4, wherein the upper die core 1 and the lower die core 2 are arranged in an up-down stacking manner, a die cavity 9 is arranged between the upper die core 1 and the lower die core 2, a runner port extending into the die cavity 9 is arranged in the middle of the upper end surface of the upper die core 1, the runner block 4 is arranged in the middle of the upper end surface of the upper die core 1, a runner groove 5 extending to the runner port is arranged at the lower part of the right side of the runner block 4, and an insert 3 inserted into the edge of the left end of the die cavity 9 is arranged at the left part of the upper die core 1.
Among this technical scheme, through setting up independent runner piece 4, make the material handle of runner be located on 1 up end of upper mold core, during the die sinking, only need to push up runner piece 4, can take out the clearance alone to the material handle, the production efficiency is greatly improved, simultaneously through setting up the runner mouth that is located 1 middle part of upper mold core, make the runner of product be located product top middle part, be the middle part and spread toward the outer lane when the aluminium liquid is injected, make the outer lane of 17 outer lanes of product can the synchronous forming, the cooling, the gas shrinkage cavity phenomenon is avoided appearing.
As a supplement to this technical scheme, die cavity 9 lower part be provided with round shaping groove 11, be provided with the arc anchor ring that the bending up extends on the shaping groove 11 outer lane, evenly be provided with arc muscle groove 10 on the arc anchor ring, through setting up shaping groove 11 for can be used for arranging the thimble hole on the shaping groove 11, make things convenient for product 17 ejecting, simultaneously through setting up arc muscle groove 10, make things convenient for the strengthening rib to appear on the product 17, improve product quality.
As a supplement to the technical solution, a boss 16 is provided on the right side of the upper end of the insert 3.
As a supplement to the present technical solution, an inclined notch 12 is provided at the left part of the lower end of the insert 3, and a molding block 14 is provided on the inclined notch 12.
As a supplement to the present technical solution, the middle of the forming block 14 is provided with a gap groove 15.
As a supplement to the technical scheme, the lower end of the insert 3 is provided with an insert exhaust groove 13.
In this technical scheme, through setting up mold insert 3 for product 17 is in when will solidifying completely, through promoting the extrusion, makes the product can discharge unnecessary air, avoids the appearance of gas shrinkage cavity.
As a supplement to the technical scheme, a circle of cinder ladle grooves 6 surrounding a die cavity 9 are uniformly arranged on the upper end surface of the lower die core 2, and an air exhaust shallow groove 8 extending to the outer side of the lower die core 2 is arranged on one side of the cinder ladle grooves 6.
As a supplement to the technical scheme, the four corners of the upper end surface of the lower mold core 2 are provided with positioning bosses 7.
Claims (8)
1. The utility model provides a die-casting mold core structure for flabellum which characterized in that: including last mold core (1), lower mold core (2) and runner piece (4), last mold core (1) and lower mold core (2) be about stacking and arrange, last mold core (1) and be provided with die cavity (9) down between mold core (2), last mold core (1) up end middle part set up the runner mouth that stretches into die cavity (9), last mold core (1) up end middle part be provided with runner piece (4), runner piece (4) right side lower part is provided with runner groove (5) that extend to the runner mouth, last mold core (1) left part be provided with mold insert (3) that insert die cavity (9) left end edge.
2. The die-cast core structure for a fan wheel according to claim 1, wherein: the die cavity (9) lower part be provided with round shaping groove (11), be provided with the arc anchor ring of bending up extension on shaping groove (11) outer lane, evenly be provided with arc muscle groove (10) on the arc anchor ring.
3. The die-cast core structure for a fan wheel according to claim 1, wherein: and a boss (16) is arranged on the right side of the upper end of the insert (3).
4. The die-cast core structure for a fan wheel according to claim 1, wherein: the left part of the lower end of the insert (3) is provided with an inclined notch (12), and the inclined notch (12) is provided with a molding block (14).
5. The die-casting core structure for a fan wheel according to claim 4, wherein: and a notch groove (15) is formed in the middle of the forming block (14).
6. The die-cast core structure for a fan wheel according to claim 1, wherein: and an insert exhaust groove (13) is formed in the lower end of the insert (3).
7. The die-cast core structure for a fan wheel according to claim 1, wherein: the upper end surface of the lower mold core (2) is uniformly provided with a circle of cinder ladle groove (6) surrounding the mold cavity (9), and one side of the cinder ladle groove (6) is provided with an air exhaust shallow groove (8) extending to the outer side of the lower mold core (2).
8. The die-cast core structure for a fan wheel according to claim 1, wherein: and four corners of the upper end surface of the lower mold core (2) are provided with positioning bosses (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120911294.9U CN216027986U (en) | 2021-04-29 | 2021-04-29 | Die-casting die core structure for impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120911294.9U CN216027986U (en) | 2021-04-29 | 2021-04-29 | Die-casting die core structure for impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216027986U true CN216027986U (en) | 2022-03-15 |
Family
ID=80614043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120911294.9U Active CN216027986U (en) | 2021-04-29 | 2021-04-29 | Die-casting die core structure for impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216027986U (en) |
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2021
- 2021-04-29 CN CN202120911294.9U patent/CN216027986U/en active Active
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