CN221582015U - Water cooling structure of metal casting mould - Google Patents
Water cooling structure of metal casting mould Download PDFInfo
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- CN221582015U CN221582015U CN202420160333.XU CN202420160333U CN221582015U CN 221582015 U CN221582015 U CN 221582015U CN 202420160333 U CN202420160333 U CN 202420160333U CN 221582015 U CN221582015 U CN 221582015U
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- hole
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- water cooling
- cooling
- blind hole
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- 238000001816 cooling Methods 0.000 title claims abstract description 72
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 70
- 238000005058 metal casting Methods 0.000 title claims abstract description 18
- 239000010963 304 stainless steel Substances 0.000 claims description 3
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 abstract description 24
- 238000009413 insulation Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 7
- 230000002093 peripheral effect Effects 0.000 abstract description 5
- 239000000498 cooling water Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 229910001338 liquidmetal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The utility model provides a water cooling structure of metal casting mould, includes the side form, the die cavity wall of side form sets up the through-hole, and the water-cooling inserts the body setting in the through-hole, the through-hole is the shoulder hole, the both ends of the water-cooling insert all set up annular boss, annular boss passes through the heat insulation and inlays the cover cooperation in the major diameter section of through-hole, makes the minor diameter section of the water-cooling insert and side form contactless, the both ends that separate Wen Xiangtao inner wall set up first flange and annular boss contact, the both ends that separate Wen Xiangtao outer wall set up the inner wall contact of second flange and through-hole, separate Wen Xiangtao axial end sets up the hole shoulder contact of third flange and through-hole, set up the blind hole along the axial in the water-cooling insert, outlet pipe fixed connection is on the water-cooling insert, the closing cap is sealed for the drill way of blind hole, the inlet tube passes in the closing cap inserts the blind hole, set up a plurality of spacing archs and blind hole inner wall contact on the inlet tube. The water-cooling insert is simple in structure, good in cooling effect, free of influence on the temperature of the peripheral die and capable of improving the quality of castings.
Description
Technical Field
The utility model belongs to the technical field of mold water-cooling insert structures, and particularly relates to a water-cooling structure of a metal casting mold.
Background
Metal casting is a casting method in which liquid metal is poured into a metal mold to obtain a casting. In metal casting, a local thick and large hot joint part exists, the hot joint part is the part which is finally solidified in the casting cooling process and is the position in the casting where shrinkage porosity is most likely to occur, the hot joint part has important influence on the quality and performance of the casting, if the shrinkage porosity phenomenon occurs in the hot joint part of the casting, the defects such as cracks and air holes are likely to occur in the casting, the strength and toughness of the casting are reduced, and the service life of the casting is influenced, so that in the process of pouring liquid metal into a metal casting mould, the hot joint part of the casting needs to be subjected to water cooling treatment by adopting a water cooling insert, but because the working temperature of the mould needs to be kept, and a gap is reserved between the water cooling insert and the mould.
The utility model discloses a special cooling structure of casting mould part of publication number CN 201470864U, discloses a local cooling structure for casting mould, and its technical scheme is: the casting mold cooling structure comprises an upper mold and a lower mold, wherein the lower mold is provided with a cooling insert made of the same material as the mold, a cooling channel is arranged in the cooling insert, the cooling channel is communicated with a water circulation system, and a gap is arranged between the cooling insert and the lower mold. Although a gap is reserved between the cooling insert and the die in the technical scheme, the temperature of the peripheral die is not affected, molten metal is easy to flow into the gap, so that casting flash is caused, the product quality is poor, the flash needs to be manually treated, and time and labor are wasted; the cooling insert is fixedly connected to the die through the bolts, the bolts are easy to shift after multiple times of metal casting, and the cooling insert is likely to deviate from and contact the die, so that the die is influenced by the cooling insert, the temperature of the die is reduced, and the shrinkage porosity phenomenon occurs more rapidly when the periphery of a hot joint part of a casting is cooled; according to the technical scheme, the water inlet pipe is fixed at one end only, the other end is not fixedly supported, the water inlet pipe is inclined easily, water flow is disturbed, and the cooling effect is poor.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art, provides a water cooling structure of a metal casting mold, the water cooling insert has simple structure, the cooling water flow is uniform, the cooling effect is good, the temperature of the peripheral die is not affected, the prepared casting has no flash, and the quality of the casting is improved.
The purpose of the utility model is realized in the following way:
The utility model provides a water cooling structure of metal casting mould, includes the side form of mould, set up a through-hole on the die cavity wall of side form, a water cooling insert sets up in the through-hole of side form, constitute the part of side form die cavity wall, the through-hole is the shoulder hole, and the both ends of this shoulder hole are big footpath section, and the centre is the path section, the both ends of water cooling insert set up annular boss respectively, annular boss is fit in the big footpath section at through-hole both ends through the heat preservation inlay respectively, makes the path section and the side form of water cooling insert middle section contactless, the both ends of separating Wen Xiangtao inner circumference wall all set up first flange, first flange and annular boss contact, the both ends of heat preservation inlay outer circumference wall all set up the second flange, the second flange contacts with the inner circumference wall of through-hole, separate Wen Xiangtao axial end one side and set up the third flange, the third flange contacts with the hole shoulder of through-hole, set up a blind hole along the axial in the water cooling insert, a outlet pipe fixed connection with the blind hole on the water cooling insert, blind hole's drill way is with the blind hole is sealed to be covered to insert, seal up with the blind hole and insert in the arch with the blind hole and seal up with the inner wall and seal the inside the water inlet tube is set up with a plurality of spacing to be sealed.
The blind end of the blind hole is a chilling position, and a groove is arranged at the chilling position.
The cross section of the groove is trapezoid, the base angle of the trapezoid is set to be 30-60 degrees, and the wall thickness of one side of the chilling part close to the die cavity is 1.5-3mm.
The limit protrusion can be arranged at one or more positions, and the number of each position is more than 3, so that the straightness of the water inlet pipe is ensured.
The limiting protrusion is welded and fixed on the water inlet pipe.
The water outlet of the water inlet pipe is provided with a taper hole, and the upstream end of the taper hole is large, and the downstream end of the taper hole is small and is used for water flow gathering.
The baffle Wen Xiangtao is made of 304 stainless steel.
The utility model has the beneficial effects that: by adopting the water cooling structure, cooling water flows in from the water inlet pipe, flows in the water flow convergence at the taper hole of the water outlet of the water inlet pipe, and flows out from the water outlet pipe after cooling the chilling part, so that the cooling water flow is uniform and the cooling effect is good; gaps are reserved between the water-cooling insert and the side dies, so that the temperature of the peripheral dies is not affected, and the phenomenon of shrinkage porosity caused by rapid cooling around the hot joint part of the casting is avoided; and no clearance exists between the cavity and the water-cooling insert body, so that the prepared casting has no flash, and the quality of the casting is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
FIG. 3 is a schematic view of a side mold according to the present utility model;
FIG. 4 is a schematic view of the present utility model assembled in a side mold;
FIG. 5 is a cross-sectional view of a thermal insulation sleeve of the present utility model;
fig. 6 is a partial cross-sectional view of a water inlet pipe of the present utility model.
Reference numerals illustrate: the water-cooling insert 1, a chilling part 1a-1, a groove 1a, an annular boss 1b, a blind hole 1c, a sealing cover 1d, a water inlet pipe 2, a taper hole 2a, a water outlet pipe 3, a heat insulation insert sleeve 4, a first flange 4a, a second flange 4b, a third flange 4c, a limiting protrusion 5, a side die 6, a cavity 7 and a through hole 7a.
Detailed Description
Further description is provided below with reference to the drawings and detailed description.
Referring to fig. 1 to 6, an embodiment of a water cooling structure of a metal casting mold comprises a side mold 6 of the mold, a through hole 7a is arranged on a cavity 7 wall of the side mold 6, and a water cooling insert 1 is arranged in the through hole 7a of the side mold 6 to form a part of the cavity 7 wall of the side mold 6. The through hole 7a is a stepped hole, two ends of the stepped hole are large-diameter sections, and the middle of the stepped hole is a small-diameter section; annular bosses 1b are respectively arranged at two ends of the water-cooling insert body 1, and the annular bosses 1b are respectively matched in large-diameter sections at two ends of the through hole 7a through the heat insulation insert sleeve 4, so that a small-diameter section of the middle section of the water-cooling insert body 1 is not contacted with the side mold 6, and the phenomenon that cooling water affects the temperature of the side mold 6 when passing through the water-cooling insert body 1, so that shrinkage porosity occurs rapidly in the periphery of a hot joint part of a casting is avoided;
The heat insulation inlay sleeve 4 is made of 304 stainless steel, so that the heat insulation effect is good; first flanges 4a are arranged at two ends of the inner circumferential wall of the heat insulation inlay sleeve 4, and the first flanges 4a are contacted with the annular boss 1 b; second flanges 4b are arranged at two ends of the outer circumferential wall of the heat insulation inlay sleeve 4, and the second flanges 4b are contacted with the inner circumferential wall of the through hole 7 a; a third flange 4c is arranged on one side of the axial end of the heat insulation insert sleeve 4, and the third flange 4c is contacted with a hole shoulder of the through hole 7 a; the first flange 4a, the second flange 4b and the third flange 4c are arranged on the heat insulation insert 4, so that the contact area between the water-cooling insert 1 and the side die 6 is reduced, the water-cooling heat transfer is reduced, and the influence on the working temperature of the side die 6 is avoided;
A blind hole 1c is axially arranged in the water-cooling insert body 1, a chilling part 1a-1 is arranged at the blind end of the blind hole 1c, a groove 1a with a trapezoid cross section is arranged at the chilling part 1a-1, the bottom angle of the trapezoid is set to be 45 degrees, and inflow water flow for cooling water flows out along an inclined plane through the groove 1 a; the wall thickness of one side of the chilling part 1a-1 close to the die cavity 7 is 2mm, so that the wall thickness is reduced while the strength is ensured, and the cooling effect is better;
A water outlet pipe 3 is fixedly connected to the water cooling insert 1 and communicated with the blind hole 1c, the orifice of the blind hole 1c is sealed by a sealing cover 1d, a water inlet pipe 2 is inserted into the blind hole 1c through the sealing cover 1d, and four limit protrusions 5 are radially welded and fixed at positions, which are 5mm away from the end face, of the water outlet of the water inlet pipe 2 and are in contact with the inner wall of the blind hole 1c, so that the straightness of the water inlet pipe 2 is ensured; the water outlet of the water inlet pipe 2 is provided with a taper hole 2a, and the upstream end of the taper hole 2a is large, and the downstream end is small, so that the water flow is concentrated.
By adopting the water cooling structure, cooling water flows in from the water inlet pipe 2, flows in the water flow convergence at the taper hole 2a of the water outlet of the water inlet pipe 2, and after cooling the chilling part 1a-1, the cooling water flows out from the water outlet pipe 3, so that the cooling water flow is uniform and the cooling effect is good; a gap is reserved between the water-cooling insert 1 and the side die 6, the temperature of the peripheral die is not influenced, the phenomenon of shrinkage porosity caused by cooling around a hot joint part of a casting is avoided, and the quality of the casting is high.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the utility model, and those skilled in the art will appreciate that the modifications made to the utility model fall within the scope of the utility model without departing from the spirit of the utility model.
Claims (7)
1. The utility model provides a water cooling structure of metal casting mould, includes side form (6) of mould, set up a through-hole (7 a) on die cavity (7) wall of side form (6), a water cooling insert (1) set up in through-hole (7 a) of side form (6), constitutes the part of side form (6) die cavity (7) wall, its characterized in that: the water cooling insert is characterized in that the through hole (7 a) is a stepped hole, two ends of the stepped hole are large-diameter sections, the middle of the stepped hole is small-diameter sections, annular bosses (1 b) are respectively arranged at two ends of the water cooling insert (1), the annular bosses (1 b) are respectively matched in the large-diameter sections at two ends of the through hole (7 a) through a baffle Wen Xiangtao (4), the small-diameter sections at the middle section of the water cooling insert (1) are not contacted with the side dies (6), first flanges (4 a) are respectively arranged at two ends of the inner circumferential wall of the baffle Wen Xiangtao (4), the first flanges (4 a) are respectively contacted with the annular bosses (1 b), second flanges (4 b) are respectively arranged at two ends of the outer circumferential wall of the baffle Wen Xiangtao (4), the second flanges (4 b) are respectively contacted with the inner circumferential wall of the through hole (7 a), a third flange (4 c) is arranged at one side of the axial end of the baffle Wen Xiangtao (4), the third flange (4 c) is contacted with the hole shoulder of the through hole (7 a), a blind hole (1 c) is axially arranged in the water cooling insert (1), a blind hole (1 c) is fixedly connected with a water outlet pipe (1 c) through a blind hole (1 d) and a blind hole (1 c) is fixedly inserted into the blind hole (1 d) through the blind hole (1 d), the water inlet pipe (2) is provided with a plurality of limiting protrusions (5) which are in contact with the inner wall of the blind hole (1 c).
2. The water cooling structure of a metal casting mold according to claim 1, wherein: the blind end of the blind hole (1 c) is a chilling part (1 a-1), and the chilling part (1 a-1) is provided with a groove (1 a).
3. The water cooling structure of a metal casting mold according to claim 2, wherein: the cross section of the groove (1 a) is trapezoid, the base angle of the trapezoid is set to be 30-60 degrees, and the wall thickness of one side of the chilling part (1 a-1) close to the die cavity (7) is 1.5-3mm.
4. The water cooling structure of a metal casting mold according to claim 1, wherein: the limit protrusion (5) can be arranged at one or more positions, and the number of each position is more than 3, so that the straightness of the water inlet pipe (2) is ensured.
5. The water cooling structure of a metal casting mold according to claim 1 or 4, characterized in that: the limiting protrusion (5) is welded and fixed on the water inlet pipe (2).
6. The water cooling structure of a metal casting mold according to claim 1, wherein: the water outlet of the water inlet pipe (2) is provided with a taper hole (2 a), and the upstream end of the taper hole (2 a) is large, and the downstream end is small, so that the water flow is concentrated.
7. The water cooling structure of a metal casting mold according to claim 1, wherein: and the baffle Wen Xiangtao (4) is made of 304 stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420160333.XU CN221582015U (en) | 2024-01-23 | 2024-01-23 | Water cooling structure of metal casting mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420160333.XU CN221582015U (en) | 2024-01-23 | 2024-01-23 | Water cooling structure of metal casting mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221582015U true CN221582015U (en) | 2024-08-23 |
Family
ID=92415142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420160333.XU Active CN221582015U (en) | 2024-01-23 | 2024-01-23 | Water cooling structure of metal casting mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221582015U (en) |
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- 2024-01-23 CN CN202420160333.XU patent/CN221582015U/en active Active
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