CN219274435U - Shrinkage-preventing air hole structure for preset ridge of die-casting thick-wall part - Google Patents
Shrinkage-preventing air hole structure for preset ridge of die-casting thick-wall part Download PDFInfo
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- CN219274435U CN219274435U CN202223611535.1U CN202223611535U CN219274435U CN 219274435 U CN219274435 U CN 219274435U CN 202223611535 U CN202223611535 U CN 202223611535U CN 219274435 U CN219274435 U CN 219274435U
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Abstract
The utility model belongs to the technical field of dies, and relates to a shrinkage-preventing air hole structure of a preset ridge of a die-casting thick-wall part. The utility model comprises an upper template, wherein a mold core is arranged in the upper template, a plurality of through holes are formed in the upper template, inserted bars are movably sleeved in the through holes, and the inserted bars are connected to the mold core; the mold core comprises a mold core main body, four grooves are formed in the mold core main body, two wall thickness sleeves are fixedly connected to the mold core main body, external ridge fixing blocks are arranged in the wall thickness sleeves, and external ridge fixing blocks are arranged between the external ridge fixing blocks and the wall thickness sleeves. The utility model can quickly maintain the same temperature with the surrounding shape after the temperature is conducted to the place, but the place is formed in advance after cooling shrinkage, so that cooling shrinkage type air holes can not appear, and the utility model is more beneficial to improving the air hole requirements and the air tightness requirements of similar products.
Description
Technical Field
The utility model belongs to the technical field of dies, and relates to a shrinkage-preventing air hole structure of a preset ridge of a die-casting thick-wall part.
Background
The die-casting thick-wall part is a part formed by die-casting through a die, and the local position of the die-casting part is similar to the part of the die-casting part, because of the structural design reason of the product, the wall thickness is much more than the surrounding shape, and the die-casting part in the condition is easy to cause shrinkage air hole defects in cooling, and the air tightness requirement of the product and the defects of air holes are seriously affected.
The traditional situation that the local wall thickness is too thick is that an overflow groove is arranged, but the overflow groove is limited by the structure of the product to a great extent, and the pressurizing feeding of subsequent cooling is carried out by adding a feeding hole, but the product at the tail end of the product easily causes that the pressure maintaining force cannot be timely transmitted to the pressure maintaining groove, so that batch cooling shrinkage air holes are formed.
Disclosure of Invention
The utility model aims to solve the problems and provide a shrinkage-preventing air hole structure of a preset ridge of a die-casting thick-wall part.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the die-casting thick-wall piece preset ridge piece shrinkage-preventing air hole structure comprises an upper die plate, wherein a die core is arranged in the upper die plate, a plurality of through holes are formed in the upper die plate, inserted bars are movably sleeved in the through holes, and the inserted bars are connected to the die core;
the mold core comprises a mold core main body, four grooves are formed in the mold core main body, two wall thickness sleeves are fixedly connected to the mold core main body, external ridge fixing blocks are arranged in the wall thickness sleeves, and external ridge fixing blocks are arranged between the external ridge fixing blocks and the wall thickness sleeves.
In the die-casting thick-wall part preset ridge part shrinkage-preventing air hole structure, the die core further comprises a plurality of protruding blocks fixedly connected to the die core main body, a plurality of pin holes are formed in the protruding blocks, and one end of the inserted rod is movably inserted into the pin holes.
In the die-casting thick-wall part preset ridge part shrinkage-preventing air hole structure, a plurality of fixing holes are formed in the die core main body, and the fixing holes are uniformly distributed in the die core main body.
In the die-casting thick-wall piece preset ridge piece shrinkage-preventing air hole structure, the side wall of the front side of the upper die plate is connected with the positioning block, and the lower end of the positioning block is lower than the lower side of the upper die plate.
In the die-casting thick-wall part preset ridge part shrinkage-preventing air hole structure, the inserted link comprises a rod part movably inserted in the pin hole, the upper end of the rod part is fixedly connected with a limiting block, and the diameter of the limiting block is larger than that of the rod part.
In the die-casting thick-wall piece preset ridge piece shrinkage-preventing air hole structure, the positioning block comprises a cylinder, and the upper end of the cylinder is fixedly connected with a fixing column.
In the die-casting thick-wall piece preset ridge piece shrinkage-preventing air hole structure, a plurality of air holes are formed in the upper die plate, the air holes are uniformly distributed in the upper die plate, and the air holes are communicated with the grooves.
In the die-casting thick-wall piece preset ridge piece shrinkage-preventing air hole structure, the side wall of the lower side of the upper die plate is fixedly connected with four clamping blocks, and the four clamping blocks are respectively located at four corners of the lower surface of the upper die plate.
In the die-casting thick-wall part preset ridge part shrinkage-preventing air hole structure, the die core main body and the wall thickness sleeve are integrally formed.
In the die-casting thick-wall piece preset ridge piece shrinkage-preventing air hole structure, the diameter of the fixing column is larger than that of the cylinder.
Compared with the prior art, the utility model has the advantages that:
according to the utility model, through the upper template, the mold core, the insert rod, the mold core main body, the groove, the wall thickness sleeve, the external bank piece fixing block and the external bank piece, the external bank piece with the same material shape is pre-placed at the wall thickness position of a product, the external bank piece with the same material is designed to be in a structure capable of being placed at the position when the mold is designed, the external bank piece with the same material is placed in the mold in advance, after mold closing and die casting are performed, aluminum water is injected, the position can be smoothly wrapped and well fused together, the position is in a pre-envisaged shape after cooling, the cooling shrinkage problem is solved to a great extent, the same temperature can be rapidly kept as the surrounding shape after the temperature is conducted to the position, but cooling shrinkage air holes cannot appear due to the fact that the position is formed in advance after cooling shrinkage, and the air hole requirements and air tightness requirements of similar products are favorably improved.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
Fig. 1 is a schematic view of the overall structure of the present utility model.
Fig. 2 is a schematic view of the mold core of fig. 1.
Fig. 3 is a bottom view of the mold core of fig. 1.
Fig. 4 is a schematic cross-sectional view of the mold core of fig. 1.
In the figure: 1. an upper template; 2. a mold core; 3. a rod; 4. a mold core body; 5. a groove; 6. a wall thickness sleeve; 7. an external bank piece fixing block; 8. an external ridge member; 9. a protruding block; 10. a pin hole; 11. a fixing hole; 12. a positioning block; 13. a rod piece; 14. a limiting block; 15. a cylinder; 16. fixing the column; 17. air holes; 18. and (5) clamping blocks.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1-4, the shrinkage-preventing air hole structure of the preset ridge part of the die-casting thick-wall part comprises an upper die plate 1, wherein a die core 2 is arranged in the upper die plate 1, a plurality of through holes are formed in the upper die plate 1, inserted bars 3 are movably sleeved in the through holes, and a plurality of inserted bars 3 are connected to the die core 2;
the die core 2 comprises a die core main body 4, four grooves 5 are formed in the die core main body 4, two wall thickness sleeves 6 are fixedly connected to the die core main body 4, external ridge fixing blocks 7 are arranged in the wall thickness sleeves 6, and external ridge 8 is arranged between the external ridge fixing blocks 7 and the wall thickness sleeves 6.
In the above embodiment, the external ridge 8 with the same material shape is pre-placed at the wall thickness position of the product, the structure capable of placing the external ridge 8 is designed at the position when the mold is designed, the external ridge 8 with the same material is placed in the mold in advance, after mold closing and die casting are performed, the external ridge 8 with the same material is smoothly wrapped after molten aluminum is injected, and the external ridge 8 and the external ridge can be well fused together, the position is the pre-envisaged shape after cooling, the problem of cooling shrinkage is solved to a great extent, the same temperature can be quickly kept with the surrounding shape after the temperature is conducted to the position, but cooling shrinkage type air holes can not appear at the position after cooling shrinkage, and the air hole requirement and the air tightness requirement of the similar product are favorably improved.
The mold core 2 further comprises a plurality of protruding blocks 9 fixedly connected to the mold core main body 4, pin holes 10 are formed in the protruding blocks 9, and one end of the inserted rod 3 is movably inserted into the pin holes 10.
In the present embodiment, a hole can be formed at the time of casting by the pin hole 10 and the insert rod 3 being fitted to each other.
The mold core main body 4 is provided with a plurality of fixing holes 11, and the fixing holes 11 are uniformly distributed on the mold core main body 4.
In the above embodiment, the plurality of fixing holes 11 are provided to improve the ease of installation of the product cast by the core 2.
The side wall of the front side of the upper template 1 is connected with a positioning block 12, and the lower end of the positioning block 12 is lower than the lower side of the upper template 1.
The inserted link 3 comprises a rod piece 13 movably inserted into the pin hole 10, wherein the upper end of the rod piece 13 is fixedly connected with a limiting block 14, and the diameter of the limiting block 14 is larger than that of the rod piece 13.
The positioning block 12 comprises a cylinder 15, and the upper end of the cylinder 15 is fixedly connected with a fixing column 16.
A plurality of air holes 17 are formed in the upper template 1, the air holes 17 are uniformly distributed on the upper template 1, and the air holes 17 are communicated with the grooves 5.
The side wall of the lower side of the upper template 1 is fixedly connected with four clamping blocks 18, and the four clamping blocks 18 are respectively positioned at four corners of the lower surface of the upper template 1.
The mould core body 4 and the wall thickness sleeve 6 are integrally formed.
In the above embodiment, the integrally formed core body 4 and wall thickness sleeve 6 can improve the structural strength of the core 2.
The diameter of the fixing post 16 is larger than the diameter of the cylinder 15.
The working principle of the utility model is as follows:
the external ridge 8 with the same material shape is pre-placed at the wall thickness position of the product, the structure capable of placing the external ridge 8 is designed at the position when the die is designed, the external ridge 8 with the same material is placed in the die in advance, after die closing and die casting are performed on molten aluminum, the external ridge 8 can be successfully wrapped at the position and can be well fused together, the position is the pre-envisaged shape after cooling, the problem of cooling shrinkage is solved to a great extent, the same temperature can be quickly kept with the surrounding shape after the temperature is conducted to the position, but cooling shrinkage type air holes can not appear at the position after cooling shrinkage, and the air hole requirement and the air tightness requirement of similar products are favorably improved.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model.
Although 1, upper template is used more herein; 2. a mold core; 3. a rod; 4. a mold core body; 5. a groove; 6. a wall thickness sleeve; 7. an external bank piece fixing block; 8. an external ridge member; 9. a protruding block; 10. a pin hole; 11. a fixing hole; 12. a positioning block; 13. a rod piece; 14. a limiting block; 15. a cylinder; 16. fixing the column; 17. air holes; 18. terms such as latch, etc., but do not exclude the possibility of using other terms. These terms are only used to more conveniently describe and explain the nature of the utility model and should be construed in a manner consistent with their spirit and scope.
Claims (10)
1. The die-casting thick-wall piece preset ridge piece shrinkage-preventing air hole structure comprises an upper die plate (1) and is characterized in that a die core (2) is arranged in the upper die plate (1), a plurality of through holes are formed in the upper die plate (1), inserted bars (3) are movably sleeved in the through holes, and the inserted bars (3) are connected to the die core (2);
the mold core (2) comprises a mold core main body (4), four grooves (5) are formed in the mold core main body (4), two wall thickness sleeves (6) are fixedly connected to the mold core main body (4), external ridge fixing blocks (7) are arranged in the wall thickness sleeves (6), and external ridge (8) are arranged between the external ridge fixing blocks (7) and the wall thickness sleeves (6).
2. The die-casting thick-wall piece preset ridge piece shrinkage-preventing air hole structure according to claim 1, wherein the die core (2) further comprises a plurality of protruding blocks (9) fixedly connected to the die core main body (4), pin holes (10) are formed in the protruding blocks (9), and one end of the inserted rod (3) is movably inserted into the pin holes (10).
3. The die-casting thick-wall piece preset ridge piece shrinkage-preventing air hole structure according to claim 2, wherein a plurality of fixing holes (11) are formed in the die core main body (4), and the fixing holes (11) are uniformly distributed on the die core main body (4).
4. The die-casting thick-wall piece preset ridge piece shrinkage-preventing air hole structure according to claim 3, wherein a positioning block (12) is connected to the side wall of the front side of the upper die plate (1), and the lower end of the positioning block (12) is lower than the lower side of the upper die plate (1).
5. The die-casting thick-wall piece preset ridge piece shrinkage-preventing air hole structure according to claim 4, wherein the inserted rod (3) comprises a rod piece (13) movably inserted into the pin hole (10), a limiting block (14) is fixedly connected to the upper end of the rod piece (13), and the diameter of the limiting block (14) is larger than that of the rod piece (13).
6. The die-casting thick-wall piece preset ridge piece shrinkage-preventing air hole structure according to claim 5, wherein the positioning block (12) comprises a cylinder (15), and the upper end of the cylinder (15) is fixedly connected with a fixing column (16).
7. The die-casting thick-wall piece preset ridge piece shrinkage-preventing air hole structure according to claim 6, wherein a plurality of air holes (17) are formed in the upper die plate (1), the air holes (17) are uniformly distributed on the upper die plate (1), and the air holes (17) are communicated with the grooves (5).
8. The die-casting thick-wall piece preset ridge piece shrinkage-preventing air hole structure according to claim 7, wherein four clamping blocks (18) are fixedly connected to the side wall of the lower side of the upper die plate (1), and the four clamping blocks (18) are respectively located at four corners of the lower surface of the upper die plate (1).
9. The die-casting thick-wall piece preset ridge piece shrinkage-preventing air hole structure according to claim 8, wherein the die core main body (4) and the wall thickness sleeve (6) are integrally formed.
10. The die-cast thick-wall piece preset ridge shrinkage-preventing air hole structure according to claim 9, wherein the diameter of the fixing column (16) is larger than that of the cylinder (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223611535.1U CN219274435U (en) | 2022-12-30 | 2022-12-30 | Shrinkage-preventing air hole structure for preset ridge of die-casting thick-wall part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223611535.1U CN219274435U (en) | 2022-12-30 | 2022-12-30 | Shrinkage-preventing air hole structure for preset ridge of die-casting thick-wall part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219274435U true CN219274435U (en) | 2023-06-30 |
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ID=86908502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223611535.1U Active CN219274435U (en) | 2022-12-30 | 2022-12-30 | Shrinkage-preventing air hole structure for preset ridge of die-casting thick-wall part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219274435U (en) |
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2022
- 2022-12-30 CN CN202223611535.1U patent/CN219274435U/en active Active
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