CN111872349A - Semi-solid forming system based on fan-shaped efficient runner - Google Patents
Semi-solid forming system based on fan-shaped efficient runner Download PDFInfo
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- CN111872349A CN111872349A CN202010657788.9A CN202010657788A CN111872349A CN 111872349 A CN111872349 A CN 111872349A CN 202010657788 A CN202010657788 A CN 202010657788A CN 111872349 A CN111872349 A CN 111872349A
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- runner
- lower die
- fan
- cavity
- semi
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/007—Semi-solid pressure die casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/14—Machines with evacuated die cavity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2272—Sprue channels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention relates to a semi-solid forming system based on a fan-shaped efficient runner, which comprises a lower die and an upper die which are correspondingly arranged, wherein the lower die comprises a lower die cavity communicated with a fan-shaped efficient runner structure, the fan-shaped efficient runner structure comprises a runner introduction block connected with the lower die, a runner assembly groove is arranged on the runner introduction block, a runner introduction groove is arranged in the middle of the runner assembly groove, the runner introduction groove is communicated with a lower die runner, and the lower die runner comprises an upstream slope and a runner inlet communicated with the upstream slope; the lower die runner is in a fan-shaped outward diffusion shape, and a molten metal collecting groove is arranged at the position of the lower die runner, which corresponds to the sprue introducing groove; the height of the runner inlet is 55-78% of the height of the connecting part of the die cavity.
Description
Technical Field
The invention relates to a molding technology, in particular to preparation of automobile parts, and particularly shows a semi-solid molding system based on a fan-shaped efficient runner.
Background
Die casting is called casting for short, and is a precision forming technology for metal parts close to the final shape and size, and the final product is a die casting. The essence of the method is that under the action of high pressure, liquid metal is filled into a die cavity at high speed, and is formed and solidified under the action of pressure, so that a die casting with clear outline and smooth surface is obtained. In the non-ferrous metal casting industry, die casting is an important casting method. In recent years, light alloys mainly containing magnesium and aluminum have gained importance in the die casting industry, and aluminum alloy castings obtained by die casting account for about six components of the total amount of lead alloy castings.
The semi-solid die casting is a novel die casting method, a die cavity is filled with semi-solid liquid metal, but the semi-solid liquid metal has high viscosity and is difficult to flow, so that the semi-solid liquid metal is one of the characteristics of the semi-solid liquid metal, and the semi-solid liquid metal cannot be efficiently formed in the forming mode at the present stage.
Therefore, there is a need to provide a semi-solid molding system based on a fan-shaped high-efficiency runner to solve the above problems.
Disclosure of Invention
The invention aims to provide a semi-solid forming system based on a fan-shaped efficient runner.
The technical scheme is as follows:
a semi-solid forming system based on a fan-shaped efficient runner comprises a lower die and an upper die which are correspondingly arranged, wherein the lower die comprises a lower die cavity communicated with a fan-shaped efficient runner structure, the fan-shaped efficient runner structure comprises a runner introduction block connected to the lower die, a runner assembly groove is arranged on the runner introduction block, a runner introduction groove is arranged in the middle of the runner assembly groove, the runner introduction groove is communicated with a lower die runner, and the lower die runner comprises an upstream slope and a runner inlet communicated with the upstream slope; the lower die runner is in a fan-shaped outward diffusion shape, and a molten metal collecting groove is arranged at the position of the lower die runner, which corresponds to the sprue introducing groove; the height of the runner inlet is 55-78% of the height of the connecting part of the die cavity.
The lower die comprises a lower die cavity, and the lower die cavity comprises a plurality of corresponding cavities of the slender angle plates, a product round cavity and a plurality of corresponding cavities of the product.
Further, the upper die comprises an upper die cavity, and the upper die cavity comprises an upper die corresponding cavity A, an upper die corresponding cavity B and an upper die corresponding cavity C which are respectively matched with the slender angle plate corresponding cavity, the product round cavity and the product corresponding cavity.
Furthermore, a plurality of overflow runners are arranged on the lower die corresponding to the lower die cavity of the product.
Furthermore, the overflow runners are symmetrically and uniformly distributed on two sides of the product by taking the center of the product as a reference.
Furthermore, the overflow channel is communicated with the overflow groove, and the overflow groove is communicated with the vacuum extraction device.
Furthermore, a plurality of mold cores are arranged between the upper mold cavity and the lower mold cavity.
Further, be provided with lower mould assembly high platform on the lower mould, be provided with the mould assembly on the lower mould assembly high platform and correspond the groove, go up the mould and include the last mould assembly that matches with lower mould assembly high platform and correspond the platform, go up the mould assembly and correspond the bench and be provided with the last mould card platform that corresponds the groove cooperation and use with last mould assembly on the bench.
Furthermore, the lower die is provided with a lower die assembly table corresponding to the lower die assembly height table, the lower die assembly table is provided with a copying clamping groove, and the upper die is correspondingly provided with a copying clamping table.
Further, the lower die assembly high platform and the lower die assembly platform are connected through a slope.
Compared with the prior art, the semi-solid metal liquid flow channel has the advantages that the fan-shaped efficient flow channel is introduced, the high-quality inflow of the semi-solid metal liquid is guaranteed, and the semi-solid forming effect is guaranteed.
Drawings
FIG. 1 is a schematic diagram of the present invention.
FIG. 2 is a second schematic structural diagram of the present invention.
Fig. 3 is a third schematic structural diagram of the present invention.
FIG. 4 is a fourth schematic view of the present invention.
Detailed Description
Example (b):
referring to fig. 1 to 4, the present embodiment shows a semi-solid molding structure, which includes a lower mold 2 and an upper mold 1 disposed correspondingly;
the lower die 2 comprises a lower die cavity communicated fan-shaped efficient flow channel structure 100, the fan-shaped efficient flow channel structure 100 comprises a flow channel introduction block 3 connected to the lower die, a sprue assembly groove 31 is formed in the flow channel introduction block 3, a sprue introduction groove 32 is formed in the middle of the sprue assembly groove 31, the sprue introduction groove 31 is communicated with a lower die flow channel 4, and the lower die flow channel 4 comprises an upstream slope 41 and a flow channel inlet 42 communicated with the upstream slope 41; the lower die runner 4 is in a fan shape and is diffused outwards, and a molten metal collecting groove 43 is arranged at the position of the lower die runner 4 corresponding to the sprue introducing groove 32; the height of the runner inlet 42 is 55% -78% of the height of the cavity junction, while this embodiment is shown at 60%;
the lower die 2 comprises a lower die cavity 21, the lower die cavity 21 comprises a plurality of fine angle plate corresponding cavities 22, the bottoms of the fine angle plate corresponding cavities 22 are provided with thimble holes A23, the size of the thimble hole A23 is larger than that of a thimble, and the thimble hole A23 forms an auxiliary overflow structure for ensuring the complete filling structure of the fine angle plate corresponding cavities 22 during semi-solid forming; the lower die cavity 21 further comprises a product round cavity 24, the product round cavity 24 is correspondingly provided with a plurality of thimble holes B25, the size of the thimble hole B25 is larger than that of a thimble, and the thimble hole B25 forms an auxiliary overflow structure during semi-solid forming to ensure that the product round cavity is completely filled.
The lower die cavity 21 further comprises a plurality of product corresponding cavities, the product corresponding cavities are correspondingly provided with ejector pin holes C26, the size of each ejector pin hole C16 is larger than that of an ejector pin, and the ejector pin holes C26 form auxiliary overflow during semi-solid forming to ensure that the product corresponding cavities are completely filled.
The upper die 1 comprises an upper die cavity 11, and the upper die cavity 11 comprises an upper die corresponding cavity A, an upper die corresponding cavity B and an upper die corresponding cavity C which are respectively matched with the narrow angle plate corresponding cavity 22, the product round cavity 24 and the product corresponding cavity.
The lower die 2 is provided with a plurality of overflow runners 27 corresponding to the lower die cavity of the product.
The overflow channels 27 are symmetrically and uniformly distributed on both sides of the product with respect to the center of the product.
The overflow channel 27 communicates with the overflow groove 28, and the overflow groove 28 communicates with the vacuum extractor 4.
A plurality of mold cores 5 are arranged between the upper mold cavity 1 and the lower mold cavity 2.
Be provided with lower mould assembly plateau 5 on the lower mould 2, be provided with mould assembly on the lower mould assembly plateau 5 and correspond groove 51, go up mould 1 and include the last mould assembly that matches with lower mould assembly plateau 5 and correspond platform 6, go up and be provided with the last mould card platform 61 that uses with last mould assembly corresponds groove 51 cooperation on the mould assembly corresponds platform 6.
The lower die 2 is provided with a lower die assembly table 7 corresponding to the lower die assembly high table 5, a copying clamping groove 71 is arranged on the lower die assembly table 7, and the upper die is correspondingly provided with a copying clamping table 8.
The lower die assembly level 5 and the lower die assembly level 7 are connected 9 by a ramp.
The working principle of the embodiment is as follows:
the semi-solid metal liquid flows into the lower die runner 4 through the sprue leading-in groove 31, flows into the die cavity in a fan-shaped outward diffusion shape along the lower die runner 4 by taking the metal liquid collecting groove 43 as a collecting point, the height of the runner inlet 42 is larger at the moment, the flow of the flowing semi-solid metal liquid can be ensured, and in the process of flowing into the die cavity, auxiliary overflow is formed under the action of the thimble hole A23, the thimble hole B25 and the thimble hole C26, so that the forming quality of special parts of the product shape is ensured.
Compared with the prior art, the invention introduces the fan-shaped high-efficiency runner, ensures high-quality inflow of semi-solid metal liquid, ensures the semi-solid forming effect, simultaneously ensures filling of the part which is difficult to fill of a product by introducing the thimble hole as auxiliary overflow, and simultaneously ensures accurate forming of the die by highly accurate die assembly setting, thereby forming a high-quality die forming structure.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.
Claims (10)
1. A semi-solid forming system based on a fan-shaped efficient runner is characterized in that: the lower die comprises a lower die and an upper die which are correspondingly arranged, wherein the lower die comprises a lower die cavity communicated with a fan-shaped efficient flow channel structure, the fan-shaped efficient flow channel structure comprises a flow channel introduction block connected to the lower die, a sprue assembly groove is formed in the flow channel introduction block, a sprue introduction groove is formed in the middle of the sprue assembly groove and communicated with a lower die flow channel, and the lower die flow channel comprises an upstream slope and a flow channel inlet communicated with the upstream slope; the lower die runner is in a fan-shaped outward diffusion shape, and a molten metal collecting groove is arranged at the position of the lower die runner, which corresponds to the sprue introducing groove; the height of the runner inlet is 55-78% of the height of the connecting part of the die cavity.
2. The semi-solid forming system based on the fan-shaped efficient runner as claimed in claim 1, wherein: the lower die comprises a lower die cavity, and the lower die cavity comprises a plurality of corresponding cavities of the slender angle plates, a product round cavity and a plurality of corresponding cavities of the product.
3. The semi-solid forming system based on the fan-shaped high-efficiency runner as claimed in claim 2, wherein: the upper die comprises an upper die cavity, and the upper die cavity comprises an upper die corresponding cavity A, an upper die corresponding cavity B and an upper die corresponding cavity C which are respectively matched with the slender angle plate corresponding cavity, the product round cavity and the product corresponding cavity.
4. The semi-solid forming system based on the fan-shaped high-efficiency runner as claimed in claim 3, wherein: and a plurality of overflow runners are arranged on the lower die corresponding to the lower die cavity of the product.
5. The semi-solid forming system based on the fan-shaped efficient runner as claimed in claim 4, wherein: the overflow runners are symmetrically and uniformly distributed on two sides of the product by taking the center of the product as a reference.
6. The semi-solid forming system based on the fan-shaped efficient runner as claimed in claim 5, wherein: the overflow channel is communicated with the overflow groove, and the overflow groove is communicated with the vacuum extraction device.
7. The semi-solid forming system based on the fan-shaped efficient runner as claimed in claim 6, wherein: a plurality of mold cores are arranged between the upper mold cavity and the lower mold cavity.
8. The semi-solid forming system based on the fan-shaped efficient runner as claimed in claim 7, wherein: be provided with lower mould assembly high platform on the lower mould, be provided with the mould assembly on the lower mould assembly high platform and correspond the groove, go up the mould and include the last mould assembly that matches with lower mould assembly high platform and correspond the platform, go up the mould assembly and correspond the bench and be provided with the last mould ka tai that corresponds the groove cooperation and use with last mould assembly on the bench.
9. The semi-solid forming system based on the fan-shaped efficient runner of claim 8, wherein: the lower die is provided with a lower die assembly table corresponding to the lower die assembly height table, the lower die assembly table is provided with a copying clamping groove, and the upper die is correspondingly provided with a copying clamping table.
10. The semi-solid forming system based on the fan-shaped efficient runner of claim 9, wherein: the lower die assembly high platform is connected with the lower die assembly platform through a slope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010657788.9A CN111872349B (en) | 2020-07-09 | 2020-07-09 | Semi-solid forming system based on fan-shaped efficient runner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010657788.9A CN111872349B (en) | 2020-07-09 | 2020-07-09 | Semi-solid forming system based on fan-shaped efficient runner |
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| CN111872349A true CN111872349A (en) | 2020-11-03 |
| CN111872349B CN111872349B (en) | 2021-10-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113770326A (en) * | 2021-07-30 | 2021-12-10 | 金榀精密工业(苏州)有限公司 | Die core adjusting type die-casting forming structure |
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| CN202572857U (en) * | 2012-04-09 | 2012-12-05 | 青岛金宁塑料模具有限公司 | Injection mold with fan gate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113770326A (en) * | 2021-07-30 | 2021-12-10 | 金榀精密工业(苏州)有限公司 | Die core adjusting type die-casting forming structure |
| CN113770326B (en) * | 2021-07-30 | 2023-09-26 | 金榀精密工业(苏州)有限公司 | Die core adjusting type die casting forming structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111872349B (en) | 2021-10-22 |
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