CN219966408U - Double-cooling type hub low-pressure casting die - Google Patents
Double-cooling type hub low-pressure casting die Download PDFInfo
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- CN219966408U CN219966408U CN202321276033.XU CN202321276033U CN219966408U CN 219966408 U CN219966408 U CN 219966408U CN 202321276033 U CN202321276033 U CN 202321276033U CN 219966408 U CN219966408 U CN 219966408U
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- pipe
- ventilation ring
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- 238000001816 cooling Methods 0.000 title claims abstract description 31
- 238000005266 casting Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 137
- 239000003595 mist Substances 0.000 claims abstract description 97
- 238000009423 ventilation Methods 0.000 claims abstract description 95
- 210000000078 claw Anatomy 0.000 claims abstract description 51
- 239000000779 smoke Substances 0.000 claims description 30
- 239000007921 spray Substances 0.000 claims description 10
- 238000010030 laminating Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 229910000838 Al alloy Inorganic materials 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 9
- 238000009826 distribution Methods 0.000 description 5
- 238000007711 solidification Methods 0.000 description 5
- 230000008023 solidification Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910000954 Medium-carbon steel Inorganic materials 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000002679 ablation Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005206 flow analysis Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Abstract
The utility model discloses a double-cooling type hub low-pressure casting die, and relates to the field of aluminum alloy die equipment. The utility model comprises a first ventilation ring and a second ventilation ring which are respectively communicated with an air inlet pipe; the other end of the air inlet pipe extends out of the side die, a first water mist ring is attached to the lower portion of the first ventilation ring, a first water mist separating pipe is attached to the outer portion of the first air claw group, the first water mist separating pipe is inserted into a water mist hole formed in the top surface of the top die, and the first water mist separating pipe is communicated with the first water mist ring; a second water mist ring is attached to the upper part of the second ventilation ring, a second water mist dividing pipe is attached to the outer part of the second air claw group, the second water mist dividing pipe is inserted into water mist holes formed in the bottom surface of the side die, and the second water mist dividing pipe is communicated with the second water mist ring; so as to achieve the purposes of improving the cooling effect and saving compressed air.
Description
Technical Field
The utility model relates to the field of aluminum alloy die equipment, in particular to a double-cooling type hub low-pressure casting die.
Background
In the low pressure casting process, the defects generated by the hub are mainly divided into two parts, one part is the defects generated during solidification, and the other part is the defects generated during filling.
The factors influencing the filling defect include casting temperature and casting speed, hydraulic lifting pressure and time, filling pressure and time, pressurizing pressure and time, mold design and the like. The reason for the solidification defect is because the hub does not achieve complete sequential solidification. The whole solidification sequence of the hub can be controlled by adjusting the temperature of the die, the local solidification sequence can be realized by adopting a local cooling mode, the local cooling opening time, the duration time and the flow rate of the hub have influence on the local cooling effect, and the dwell time, the pressure and the pressure relief time have certain effects on the reduction of defects. According to the modeling of the product, the die design is carried out, the die flow analysis is carried out, and the die casting system and the cooling system are optimized according to the result of the die flow analysis, so that the product organization structure is tighter, the product strength is increased, and the casting defects are reduced.
Wherein, chinese patent No. CN215966252U discloses a double-cooled hub low-pressure casting mold, comprising: the device comprises a top die, a bottom die, a steel billet layer, a die cavity, a plurality of side dies, a first ventilation ring, a sprue bush and a second ventilation ring; the top die head is abutted to the middle part of the bottom die; the side dies are arranged on the side wall between the top die and the bottom die in pairs; a cavity is arranged among the top die, the bottom die and the plurality of side dies; the sprue bush is arranged at the central shafts of the top die and the bottom die and is communicated with the cavity; a liquid lifting pipe is inserted into the bottom surface of the sprue bush; the bottom end of the liquid lifting pipe is inserted into the sealed crucible; the side form comprises: a steel billet layer, a medium carbon steel layer and an ablation-resistant coating; a medium carbon steel layer is covered on the inner side wall of the steel billet layer; an ablation-resistant coating is coated on the inner side wall of the medium carbon steel layer; the first ventilation ring is accommodated and arranged on the top surface of the top die, and a plurality of first air claw groups are arranged on the bottom surface of the first ventilation ring at intervals along the circumferential direction of the first ventilation ring; the first wind claw group is inserted into a cooling hole formed in the top surface of the top die; the second ventilation ring is accommodated in an air pipe gap arranged between the bottom surface of the side die and the top surface of the bottom die, and a plurality of second air claw groups are arranged on the top surface of the second ventilation ring at intervals along the circumferential direction of the second ventilation ring; the second wind claw group is inserted into a cooling hole formed in the bottom surface of the side die; the first ventilation ring and the second ventilation ring are respectively communicated with the air inlet pipe; the other end of the air inlet pipe extends out of the side die.
The applicant can improve the cooling effect of the air conditioner and save compressed air.
Disclosure of Invention
The utility model aims to provide a double-cooling type hub low-pressure casting die which is used for solving the problems in the background technology.
In order to solve the problems, the utility model adopts the following technical means:
the double-cooling type hub low-pressure casting die comprises a top die, a bottom die and a plurality of side dies, wherein the middle part of the top die is abutted to the middle part of the bottom die; the side dies are arranged on the side wall between the top die and the bottom die in pairs, a first ventilation ring is accommodated on the top surface of the top die, and a plurality of first air claw groups are arranged on the bottom surface of the first ventilation ring at intervals along the circumferential direction of the first ventilation ring; the first air claw groups are inserted into cooling holes formed in the top surface of the top die, a second air ventilation ring is arranged between the bottom surface of the side die and the top surface of the bottom die, and a plurality of second air claw groups are arranged on the top surface of the second air ventilation ring at intervals along the circumferential direction of the second air ventilation ring; the second air claw group is inserted into a cooling hole formed in the bottom surface of the side die; the first ventilation ring and the second ventilation ring are respectively communicated with the air inlet pipe; the other end of the air inlet pipe extends out of the side die, a first water mist ring is attached to the lower portion of the first ventilation ring, a first water mist separating pipe is attached to the outside of the first air claw group, the first water mist separating pipe is inserted into a water mist hole formed in the top surface of the top die, and the first water mist separating pipe is communicated with the first water mist ring;
the second ventilation ring top laminating is equipped with the second water smoke ring, the outer laminating of second wind claw group is equipped with the second water smoke pipe that divides, the second water smoke pipe inserts in the water smoke hole of seting up on the side form bottom surface, the second water smoke pipe with second water smoke ring intercommunication.
Preferably, the first ventilation ring is communicated with the second ventilation ring through an air inlet branch pipe, and the air inlet end of the first ventilation ring is communicated with air supply equipment.
Further, the first water mist ring is communicated with the second water mist ring through a water mist branch pipe, and the mist inlet end of the first water mist ring is communicated with high-pressure water mist generating equipment.
Still further, the first ventilation ring and the first wind claw group are square pipes, the first water spray ring and the first water spray distribution pipe are square pipes, the joint surface of the first water spray ring and the first ventilation ring is provided with a first pressure relief hole so that the first water spray ring is communicated with the first ventilation ring, and the joint surface of the first wind claw group and the first water spray distribution pipe is also provided with a first pressure relief hole so that the first wind claw group is communicated with the first water spray distribution pipe.
Still further, the second ventilation ring and the second wind claw group are square pipes, the second water mist ring and the second water mist dividing pipe are square pipes, a second pressure release hole is formed in the joint surface of the second water mist ring and the second ventilation ring so that the second water mist ring is communicated with the second ventilation ring, and the second wind claw group and the joint surface of the second water mist dividing pipe are also provided with a second pressure release hole so that the second wind claw group is communicated with the second water mist dividing pipe.
Still further, the first water smoke ring with the faying face of first ventilation ring, first minute water smoke pipe with the faying face of first wind claw group, the first water smoke ring with the faying face of second ventilation ring, the second minute water smoke pipe with the faying face of second wind claw group all is equipped with the insulating layer.
The utility model has the following beneficial effects in the using process:
the bottom die of the die is provided with cooling channels for the mounting surface thermal nodes and the side dies, air cooling of the first ventilation ring and the second ventilation ring and water mist type water cooling of the first water mist ring and the second water mist ring are adopted, and welding lines are eliminated. The die is cooled instantly and stably, so that the purpose of eliminating hot programs is achieved, compressed air is saved, the production defects of prolonging the contact time of hot vortex and cold fluid and reducing the service life of the casting clamp are overcome, and the production efficiency and quality are greatly improved.
Drawings
Fig. 1 is a schematic view of the installation structure of a first water mist ring, a first ventilation ring, a second water mist ring and a second ventilation ring according to the present utility model.
Fig. 2 is a schematic diagram of a fitting structure of a first water mist ring and a first ventilation ring according to the present utility model.
The device comprises a first ventilation ring, a second ventilation ring, a first water mist ring, a first 3-wind claw set, a first 4-water mist distribution pipe, a second 5-ventilation ring, a second 6-water mist ring, a second 7-wind claw set, a second 8-water mist distribution pipe, a second 9-wind inlet branch pipe, a second 10-water mist branch pipe, a first 11-pressure relief hole and a heat insulation layer.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not to indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 and 2, a dual-cooling hub low-pressure casting mold comprises a top mold, a bottom mold and a plurality of side molds, wherein the middle part of the top mold is abutted against the middle part of the bottom mold; the side dies are arranged on the side wall between the top die and the bottom die in pairs, a first ventilation ring 1 is accommodated on the top surface of the top die, and a plurality of first air claw groups 3 are arranged on the bottom surface of the first ventilation ring 1 at intervals along the circumferential direction of the first ventilation ring 1; the first air claw groups 3 are inserted into cooling holes formed in the top surface of the top die, a second ventilation ring 5 is arranged between the bottom surface of the side die and the top surface of the bottom die, and a plurality of second air claw groups 7 are arranged on the top surface of the second ventilation ring 5 at intervals along the circumferential direction of the second ventilation ring; the second wind claw group 7 is inserted into a cooling hole formed in the bottom surface of the side die; the first ventilation ring 1 and the second ventilation ring 5 are respectively communicated with the air inlet pipe; the other end of the air inlet pipe extends out of the side die, a first water mist ring 2 is attached to the lower portion of the first ventilation ring 1, a first water mist separating pipe 4 is attached to the outer portion of the first air claw group 3, the first water mist separating pipe 4 is inserted into a water mist hole formed in the top surface of the top die, and the first water mist separating pipe 4 is communicated with the first water mist ring 2;
the second water mist ring 6 is arranged above the second ventilation ring 5 in a fitting mode, the second water mist dividing pipe 8 is arranged outside the second air claw group 7 in a fitting mode, the second water mist dividing pipe 8 is inserted into water mist holes formed in the bottom surface of the side die, and the second water mist dividing pipe 8 is communicated with the second water mist ring 6.
The top mold, the bottom mold, the side molds, the first ventilation ring 1, the first ventilation claw set 3, the second ventilation ring 5, and the second ventilation claw set 7 are all arranged according to the disclosure patent with chinese patent No. CN 215966252U.
In this way, by providing cooling channels for the mounting surface thermal node and the side mold in the bottom mold of the mold, air cooling by the first ventilation ring 1 and the second ventilation ring 5, and water mist type water cooling by the first water mist ring 2 and the second water mist ring 6 are adopted, and the welding line is eliminated. The die is cooled instantly and stably, so that the purpose of eliminating hot programs is achieved, compressed air is saved, the production defects of prolonging the contact time of hot vortex and cold fluid and reducing the service life of the casting clamp are overcome, and the production efficiency and quality are greatly improved.
Furthermore, the first ventilation ring 1 is communicated with the second ventilation ring 5 through an air inlet branch pipe 9, and the air inlet end of the first ventilation ring 1 is communicated with air supply equipment.
The first water mist ring 2 is communicated with the second water mist ring 6 through a water mist branch pipe 10, and the mist inlet end of the first water mist ring 2 is communicated with high-pressure water mist generating equipment.
And, in order to let ventilation ring and water smoke ring, wind claw group and water smoke pipe laminating are more stable, first ventilation ring 1 with first wind claw group 3 all is the square pipe, first water smoke ring 2 with first water smoke pipe 4 all is the square pipe, first water smoke ring 2 with the faying surface of first ventilation ring 1 is equipped with first pressure release hole 11 makes first water smoke ring 2 with first ventilation ring 1 communicates, first wind claw group 3 with the faying surface of first water smoke pipe 4 is equipped with equally first pressure release hole 11 makes first wind claw group 3 with first water smoke pipe 4 communicates.
And, second ventilation ring 5 and second wind claw group 7 all are square pipe, second water smoke ring 6 with second water smoke divides pipe 8 all to be square pipe, second water smoke ring 6 with the laminating face of second ventilation ring 5 is equipped with the second pressure release hole makes second water smoke ring 6 with second ventilation ring 5 intercommunication, second wind claw group 7 with the laminating face of second water smoke pipe 8 is equipped with equally the second pressure release hole makes second wind claw group 7 with second water smoke pipe 8 intercommunication.
Thus, when compressed air and high-pressure water mist are input, the flow rates of the compressed air and the high-pressure water mist are controlled to be the same, so that water cooling and air cooling can be simultaneously performed in a normal state. And when the cooling load is large, the pressure in the water mist pipe is increased due to high-temperature gasification of the water mist, and in order to improve the safety coefficient, the gas-liquid mixture in the water mist pipe with increased pressure can flow into the ventilation ring from the pressure release hole, so that the ventilation ring is utilized to release the pressure of the water mist pipe, and the safety coefficient in the running process of equipment is improved.
Furthermore, in order to avoid severe heat exchange between the water mist ring and the ventilation ring, the joint surface of the first water mist ring 2 and the first ventilation ring 1, the joint surface of the first water mist separating pipe 4 and the first air claw set 3, the joint surface of the second water mist ring and the second ventilation ring 5, and the joint surface of the second water mist separating pipe 8 and the second air claw set 7 are all provided with heat insulation layers 12.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. The double-cooling type hub low-pressure casting die comprises a top die, a bottom die and a plurality of side dies, wherein the middle part of the top die is abutted to the middle part of the bottom die; the side dies are arranged on the side wall between the top die and the bottom die in pairs, a first ventilation ring (1) is accommodated on the top surface of the top die, and a plurality of first air claw groups (3) are arranged on the bottom surface of the first ventilation ring (1) at intervals along the circumferential direction of the first ventilation ring (1); the first air claw groups (3) are inserted into cooling holes formed in the top surface of the top die, a second air ventilation ring (5) is arranged between the bottom surface of the side die and the top surface of the bottom die, and a plurality of second air claw groups are arranged on the top surface of the second air ventilation ring (5) at intervals along the circumferential direction of the second air ventilation ring; the second air claw group is inserted into a cooling hole formed in the bottom surface of the side die; the first ventilation ring (1) and the second ventilation ring (5) are respectively communicated with the air inlet pipe; the other end of the air inlet pipe extends out of the side die and is characterized in that: a first water mist ring (2) is attached to the lower portion of the first ventilation ring (1), a first water mist separating pipe (4) is attached to the outside of the first air claw group (3), the first water mist separating pipe (4) is inserted into a water mist hole formed in the top surface of the top die, and the first water mist separating pipe (4) is communicated with the first water mist ring (2);
the utility model discloses a side mould, including side mould bottom surface, second ventilation ring (5) top laminating is equipped with second water smoke ring (6), the laminating is equipped with second water smoke pipe (8) outward in second wind claw group (7), second water smoke pipe (8) insert in the water smoke hole of seting up on the side mould bottom surface, second water smoke pipe (8) with second water smoke ring (6) intercommunication.
2. A dual-cooled hub low pressure casting die as claimed in claim 1 wherein: the first ventilation ring (1) is communicated with the second ventilation ring (5) through an air inlet branch pipe (9), and the air inlet end of the first ventilation ring (1) is communicated with air supply equipment.
3. A dual-cooled hub low pressure casting die as claimed in claim 1 wherein: the first water mist ring (2) is communicated with the second water mist ring (6) through a water mist branch pipe (10), and the mist inlet end of the first water mist ring (2) is communicated with high-pressure water mist generating equipment.
4. A dual-cooled hub low pressure casting die as claimed in claim 1 wherein: the first ventilation ring (1) and the first air claw group (3) are square pipes, the first water mist ring (2) and the first water mist separating pipe (4) are square pipes, a first pressure release hole (11) is arranged on the joint surface of the first water mist ring (2) and the first ventilation ring (1) to enable the first water mist ring (2) to be communicated with the first ventilation ring (1), the first air jaw set (3) and the joint surface of the first water mist separating pipe (4) are also provided with the first pressure relief holes (11) so that the first air jaw set (3) is communicated with the first water mist separating pipe (4).
5. A dual-cooled hub low pressure casting die as claimed in claim 1 wherein: the second ventilation ring (5) and the second air claw group (7) are square pipes, the second water mist ring (6) and the second water mist dividing pipe (8) are square pipes, the second water mist ring (6) and the joint surface of the second ventilation ring (5) are provided with second pressure relief holes so that the second water mist ring (6) is communicated with the second ventilation ring (5), and the joint surface of the second air claw group (7) and the second water mist dividing pipe (8) is also provided with second pressure relief holes so that the second air claw group (7) is communicated with the second water mist dividing pipe (8).
6. A dual-cooled hub low pressure casting die according to any one of claims 1 to 5, wherein: the first water spray ring (2) with the faying surface of first ventilation ring (1), first minute water spray pipe (4) with the faying surface of first wind claw group (3), the first water spray ring with the faying surface of second ventilation ring (5), second minute water spray pipe (8) with the faying surface of second wind claw group (7) all is equipped with insulating layer (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321276033.XU CN219966408U (en) | 2023-05-24 | 2023-05-24 | Double-cooling type hub low-pressure casting die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321276033.XU CN219966408U (en) | 2023-05-24 | 2023-05-24 | Double-cooling type hub low-pressure casting die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219966408U true CN219966408U (en) | 2023-11-07 |
Family
ID=88593476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321276033.XU Active CN219966408U (en) | 2023-05-24 | 2023-05-24 | Double-cooling type hub low-pressure casting die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219966408U (en) |
-
2023
- 2023-05-24 CN CN202321276033.XU patent/CN219966408U/en active Active
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