CN216828593U - Low-pressure casting mould breakpoint formula forced air cooling structure and low-pressure casting mould - Google Patents
Low-pressure casting mould breakpoint formula forced air cooling structure and low-pressure casting mould Download PDFInfo
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- CN216828593U CN216828593U CN202220338011.0U CN202220338011U CN216828593U CN 216828593 U CN216828593 U CN 216828593U CN 202220338011 U CN202220338011 U CN 202220338011U CN 216828593 U CN216828593 U CN 216828593U
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Abstract
The application provides low pressure casting mould breakpoint formula forced air cooling structure and low pressure casting mould relates to wheel casting technical field. The low-pressure casting die breakpoint type air cooling structure comprises an air cooling disc, wherein the air cooling disc comprises a rim part and a spoke part, the rim part corresponds to a casting wheel rim, the spoke part corresponds to a casting spoke, and the rim part is connected to the circumferential direction of the spoke part; and the air cooling pipe set comprises a first air cooling pipe and a second air cooling pipe, the first air cooling pipe is connected to the middle of the corresponding casting window of the rim part, and the second air cooling pipe is connected to the position, close to the joint position of the rim part and the spoke part, of the rim part. The low-pressure casting die breakpoint type air cooling structure can be used for sequentially cooling key points, and the problems of shrinkage cavities and the like on the rim of a finally-formed wheel casting are prevented. The yield of the low-pressure casting die with the low-pressure casting die breakpoint type air cooling structure during actual production can be improved.
Description
Technical Field
The application relates to the technical field of wheel castings, in particular to a low-pressure casting die breakpoint type air cooling structure and a low-pressure casting die.
Background
The existing casting die adopts a built-in water channel cooling mode for cooling the whole circle of wheel rim, and the cooling mode has the following defects: once cooling is carried out, the whole rim of the casting is cooled, and hot junction places are not effectively fed, so that the casting has defects of local shrinkage cavity and the like, for example, the casting is easy to shrink cavity on the rim relative to the middle of a window and the intersection node of the rim and spokes.
SUMMERY OF THE UTILITY MODEL
An object of this application is to provide a low pressure casting mould breakpoint formula forced air cooling structure, it can be used for improving the problem that local shrinkage cavity appears easily when the cooling of current wheel foundry goods.
It is another object of the present application to provide a low pressure casting die including the above low pressure casting die breakpoint air-cooling structure, which has all the characteristics of the low pressure casting die breakpoint air-cooling structure.
The embodiment of the application is realized as follows:
the embodiment of the application provides a low pressure casting mould breakpoint formula forced air cooling structure, includes:
the air cooling disc comprises a rim part and a spoke part, the rim part corresponds to the casting wheel rim, the spoke part corresponds to the casting wheel spoke, and the rim part is connected to the circumferential direction of the spoke part; and
the forced air cooling nest of tubes, forced air cooling nest of tubes includes first forced air cooling pipe and second forced air cooling pipe, first forced air cooling union coupling in the position at the corresponding foundry goods window middle part of rim portion, second forced air cooling union coupling in rim portion with near the node position that spoke portion connects.
Through laying first forced air cooling pipe and second forced air cooling pipe on the rim portion of forced air cooling dish, can cool off earlier the position at the corresponding foundry goods window middle part of foundry goods rim, cool off the node position that foundry goods rim and spoke are connected again, then other parts of recooling foundry goods, the shrinkage cavity or shrinkage porosity appear in foundry goods window middle part position and the position that foundry goods rim and foundry goods spoke are connected has effectively been avoided.
In addition, the breakpoint type air cooling structure of the low-pressure casting die provided by the embodiment of the application can also have the following additional technical characteristics:
in an alternative embodiment of the present application, the spoke portion includes a central portion and spoke portions, the spoke portions are connected to the circumferential direction of the central portion, the central portion corresponds to the central portion of the cast spoke, the spoke portions correspond to spokes of the cast spoke, the rim portion is connected to one end of the spoke portions, which is far away from the central portion, and the second air-cooling pipe is connected to the rim portion near the position where the spoke portions are connected.
The spoke middle part and the spoke position that central part and spoke portion can correspond the foundry goods respectively to in realizing the foundry goods spoke and solidifying the shaping, the second forced air cooling pipe cools off the foundry goods through the hookup location at spoke portion and rim portion, can effectively avoid foundry goods spoke and rim hookup location to appear the shrinkage cavity.
In an alternative embodiment of the present application, the air-cooled duct group includes a third air-cooled duct connected to a middle portion of the spoke portion.
The third air cooling pipe can cool the middle part of the spoke part, and the middle part of the casting spoke is prevented from being contracted.
In an alternative embodiment of the present application, the air-cooled duct group includes a fourth air-cooled duct connected to the spoke portion at a position of the spoke portion near the central portion.
The fourth air cooling pipe can cool the position of the spoke part close to the central part, and shrinkage cavities are avoided at the position of the casting spoke close to the central part.
In an alternative embodiment of the present application, the air-cooled tube set includes a fifth air-cooled tube connected to the central portion and located at a position of the central portion near the spoke portion.
The fifth air cooling pipe can cool the position of the central part of the casting close to the spoke parts, and shrinkage cavities are avoided at the position of the central part of the casting close to the spoke parts.
In an alternative embodiment of the application, the air-cooled tube group comprises a sixth air-cooled tube connected to the central portion and located on a side of the fifth air-cooled tube remote from the spoke portion.
The sixth air-cooled pipe can cool the central part of the casting to prevent shrinkage cavity at the position.
In an optional embodiment of the present application, the air-cooled tube group includes a third air-cooled tube, a fourth air-cooled tube, a fifth air-cooled tube and a sixth air-cooled tube for cooling the spoke portion, and the first air-cooled tube, the second air-cooled tube, the third air-cooled tube, the fourth air-cooled tube, the fifth air-cooled tube and the sixth air-cooled tube are not communicated with each other.
Through with first forced air cooling pipe second forced air cooling pipe third forced air cooling pipe fourth forced air cooling pipe fifth forced air cooling pipe with the form of each other intercommunicating is designed into to the sixth forced air cooling pipe, can form breakpoint formula and distribute on the foundry goods to cool off the different positions of foundry goods respectively, conveniently carry out the cooling control of different times according to the demand, with the shrinkage cavity scheduling problem appears in avoiding the foundry goods as far as possible.
In the optional embodiment of this application, with the first forced air cooling pipe with the position that rim portion is connected is first position, with the second forced air cooling pipe with the position that rim portion is connected is the second position, first position is equipped with first chill, the second position is equipped with the second chill, the volume of first chill is greater than the volume of second chill.
By arranging the chills with different sizes at the first point location and the second point location respectively, the cooling effect can be played in sequence so as to avoid the occurrence of shrinkage cavity.
The embodiment of the application provides a low pressure casting mould, including last mould upper segment, lower mould and above-mentioned any low pressure casting mould breakpoint formula air-cooled structure, low pressure casting mould breakpoint formula air-cooled structure set up in go up the mould upper segment with between the lower mould.
The low-pressure casting die has the advantages that the breakpoint type air cooling structure of the low-pressure casting die is applied, so that the yield of the finally formed wheel casting is higher.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
FIG. 1 is a schematic view of a breakpoint type air cooling structure of a low pressure casting die according to the present application;
FIG. 2 is a schematic view of a cross section of an air-cooled pan and a cast rim;
FIG. 3 is a schematic view of a wheel casting;
FIG. 4 is a schematic view of a low pressure casting die;
fig. 5 is a schematic view of a conventional water-cooled disc.
Icon: 100-casting a breakpoint type air cooling structure of a die at low pressure; 10-air cooling disc; 11-a rim portion; 12-a spoke portion; 121-center section; 122-a spoke portion; 21-a first air-cooled tube; 22-a second air-cooled tube; 23-a third air-cooled tube; 24-a fourth air-cooled duct; 25-a fifth air-cooled tube; 26-a sixth air-cooled tube; 101-air cooling pipe orifice; 200-wheel casting; 210-a rim; 220-spokes; 221-a central portion; 222-spokes; 300-low pressure casting die; 310-upper die section; 320-lower die; 401-built-in water channel.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the product conventionally places when used, and are only used for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Examples
Referring to fig. 1 and 2, an embodiment of the present application provides a low pressure casting die breakpoint type air cooling structure 100, including:
the air-cooling disc 10 comprises a rim part 11 and a spoke part 12, wherein the rim part 11 corresponds to a cast rim 210, the spoke part 12 corresponds to a cast spoke 220, and the rim part 11 is connected to the circumferential direction of the spoke part 12; and
the air-cooled bank of tubes, air-cooled bank of tubes include first air-cooled pipe 21 and second air-cooled pipe 22, and first air-cooled pipe 21 is connected in the position at the middle part of the corresponding foundry goods window of rim portion 11, and second air-cooled pipe 22 is connected near the node position that rim portion 11 and spoke portion 12 are connected.
Referring to fig. 3, the wheel casting 200 includes a rim 210 and spokes 220, the spokes 220 are formed by a central portion 221 and spokes 222 connected to the central portion 221, and the rim 210 is connected to the spokes 222. Further, the portion between the spokes 222 and the spokes 222 is a window, otherwise referred to as a casting window.
It should be noted that, taking window B in fig. 3 as an example, the position of rim portion 11 corresponding to the middle of the window is referred to as position C in fig. 3, and corresponds to position a of rim portion 11 in fig. 1. The wheel casting 200 has a plurality of windows, and the rim portion 11 has a plurality of positions corresponding to the middle of the windows of the casting, and each position is provided with an air-cooling pipe opening 101 (shown in fig. 2) for installing an air-cooling pipe.
It should be noted that the rim portion 11 corresponds to the cast rim 210, the spoke portion 12 corresponds to the cast spoke 220, and hereinafter, the central portion 121 corresponds to the central portion 221 of the cast spoke 220, and the spoke portion 122 corresponds to the spoke 222 of the cast spoke 220, which all refer to that the air-cooling disc 10 corresponds to a part on the finally formed wheel casting 200 during casting, for example, the spoke portion 122 refers to a part on the air-cooling disc 10 corresponding to the part on which the cast spoke 222 is formed during forming of the wheel casting 200.
Simply speaking, by arranging the first air-cooling pipe 21 and the second air-cooling pipe 22 on the rim part 11 of the air-cooling disc 10, the position of the casting rim 210 corresponding to the middle of the casting window can be cooled firstly, then the node position of the casting rim 210 connected with the spoke 220 is cooled, and then other parts of the casting are cooled, so that shrinkage cavities or shrinkage porosity at the middle position of the casting window and the position of the casting rim 210 connected with the casting spoke 220 are effectively avoided.
With continued reference to fig. 1, the spoke portion 12 includes a central portion 121 and spoke portions 122, the spoke portions 122 are connected to the central portion 121 in the circumferential direction, the central portion 121 corresponds to a central portion 221 of the cast spoke 220, the spoke portions 122 correspond to spokes 222 of the cast spoke 220, the rim portion 11 is connected to one end of the spoke portions 122 away from the central portion 121, and the second air-cooling duct 22 is connected to the rim portion 11 near the position where the spoke portions 122 are connected to the rim portion 11.
The central portion 121 and the spoke portions 122 can respectively correspond to the middle portions of the spokes 220 and the positions of the spokes 222 of the casting, so that the casting spokes 220 can be solidified and formed, the second air cooling pipes 22 cool the casting at the connecting positions of the spoke portions 122 and the rim portion 11, and shrinkage cavities at the connecting positions of the spokes 222 and the rim 210 of the casting can be effectively avoided.
Further, the air-cooling duct group of the present application includes a third air-cooling duct 23, and the third air-cooling duct 23 is connected to the middle of the spoke 122.
The third air-cooled pipe 23 can cool the middle part of the spoke part 122, and the middle part of the casting spoke 222 is prevented from shrinkage.
Further, the air-cooling duct group of the present application includes a fourth air-cooling duct 24, and the fourth air-cooling duct 24 is connected to the spoke portion 122 and is located at a position where the spoke portion 122 is close to the central portion 121.
The fourth air-cooled tubes 24 can cool the spokes 122 near the center portion 121 to avoid shrinkage cavities in the cast spokes 222 near the center portion 121.
Further, the air-cooling tube group of the present application includes a fifth air-cooling tube 25, and the fifth air-cooling tube 25 is connected to the central portion 121 and is located at a position of the central portion 121 close to the spoke portion 122.
The fifth air-cooled duct 25 can cool the casting center portion 221 near the spokes 122 to prevent shrinkage cavities in the casting center portion 221 near the spokes 122.
Further, the air-cooling tube group of the present application includes a sixth air-cooling tube 26, and the sixth air-cooling tube 26 is connected to the central portion 121 and is located on a side of the fifth air-cooling tube 25 away from the spoke portion 122.
The sixth air-cooling duct 26 can cool the central portion 221 of the casting to prevent the occurrence of shrinkage cavities at that position.
The third air-cooling duct 23, the fourth air-cooling duct 24, the fifth air-cooling duct 25 and the sixth air-cooling duct 26 are for cooling the spoke portion 12. In this embodiment, the first air-cooling pipe 21, the second air-cooling pipe 22, the third air-cooling pipe 23, the fourth air-cooling pipe 24, the fifth air-cooling pipe 25 and the sixth air-cooling pipe 26 are not communicated with each other. Through designing into each other not communicating form with first forced air cooling pipe 21, second forced air cooling pipe 22, third forced air cooling pipe 23, fourth forced air cooling pipe 24, fifth forced air cooling pipe 25 and sixth forced air cooling pipe 26, can form breakpoint formula and distribute on the foundry goods to cool off the different positions of foundry goods respectively, conveniently carry out the cooling control of different times according to the demand, with avoid the foundry goods to appear shrinkage cavity scheduling problem as far as possible.
That is, please refer to fig. 1, the air-cooled pipes on the air-cooled plate 10 are separately distributed and not continuous with each other, so that the different positions can be precisely air-cooled according to the cooling time requirements of different areas, and the occurrence of shrinkage cavities is avoided.
Optionally, the position where the first air-cooling pipe 21 is connected with the rim 11 is a first point position, the position where the second air-cooling pipe 22 is connected with the rim 11 is a second point position, the first point position is provided with a first chiller, the second point position is provided with a second chiller, and the volume of the first chiller is larger than that of the second chiller. By arranging the chills with different sizes at the first point location and the second point location respectively, the cooling effect can be played in sequence so as to avoid the occurrence of shrinkage cavity.
In detail, when the chiller is arranged, the chiller can be arranged at the position where the first air cooling pipe 21 and the second air cooling pipe 22 are arranged without arranging the first air cooling pipe 21 and the second air cooling pipe 22, so long as the effect of adjusting the sequence of cooling can be achieved, and the volume of the specific chiller can be designed according to the cooling time requirement, so that the cooling effect meets the requirement, and the problems of shrinkage cavity, shrinkage porosity and the like are avoided.
Of course, chills may be added near the first air-cooled tube 21 and the second air-cooled tube 22 to assist cooling, and the cooling efficiency can be improved to some extent under the condition that the problems such as shrinkage cavities and the like do not occur after final cooling molding can be ensured. Or under the same cooling time, the air flow required to be introduced by air cooling can be saved to a certain extent, and the production cost is saved.
Referring to fig. 4, based on the aforementioned low pressure casting die breakpoint air cooling structure 100, an embodiment of the present application provides a low pressure casting die 300, which includes an upper die section 310, a lower die 320, and the low pressure casting die breakpoint air cooling structure 100, where the low pressure casting die breakpoint air cooling structure 100 is disposed between the upper die section 310 and the lower die 320. The low-pressure casting die 300 can make the yield of the finally formed wheel casting 200 higher by applying the low-pressure casting die breakpoint type air-cooling structure 100.
The upper die upper section 310 and the lower die 320 of the low-pressure casting die 300 can refer to the corresponding structure of the existing low-pressure casting die 300, the position of the low-pressure casting die breakpoint air cooling structure 100 corresponds to the position of the upper die lower section used by the general low-pressure casting die 300, and other structures of the low-pressure casting die 300 can refer to the specific structure used by the general low-pressure casting die 300.
Referring to fig. 5, in the conventional low-pressure casting die 300, a water cooling manner is adopted, a water cooling disc is arranged at a position for cooling the rim 210 at the lower section of the upper die, and a built-in water channel 401 is arranged inside the water cooling disc, so that the cooling of the rim 210 of the wheel casting 200 is performed simultaneously, and thus, a supplement knife at a position where hot junction is likely to occur on the rim 210 is effectively supplemented, and a local shrinkage cavity defect occurs on the wheel casting 200. According to the process analysis of the casting, the middle part of the relative window of the casting wheel rim 210 is the farthest end of the casting, and when the molten aluminum is filled to the section, the temperature of the molten aluminum is reduced at the highest speed, and the flowing performance is reduced; after the first-stage mold filling of casting is finished, the second-stage crystallization pressurization is carried out, the lowest temperature of the farthest end of the casting (namely the lowest temperature of the 11-bit wheel rim part relative to the middle position of the window) needs to be ensured at the moment, and the temperature is gradually increased towards the center position of the casting in sequence, so that a normal temperature field for cooling, cooling and solidifying of the casting can be formed, and the molten aluminum in the whole pouring system can continuously compensate for the cooling and solidifying part under the action of pressure.
In view of the above, the present application provides a breakpoint type air cooling structure 100 for a low pressure casting die.
Specifically, taking aluminum liquid casting as an example, in actual casting, the position of the middle of the corresponding casting window on the rim 210 of the wheel casting 200 is the farthest position of the aluminum liquid mold, that is, the aluminum liquid is cast from the middle gate of the low-pressure casting mold 300, the position to which the aluminum liquid finally flows is the position of the middle of the corresponding casting window on the rim 210, the gate is taken as the starting point, the node of the connection between the rim 210 and the spoke 222 is a position slightly closer than the position of the middle of the corresponding casting window on the rim 210, and is also a position where shrinkage cavities easily occur.
The location on the rim 210 corresponding to the middle of the casting window and the nodal point of the connection of the rim 210 to the spokes 222 requires cooling before cooling at other locations of the wheel casting 200 to achieve better cooling and feeding. Of these two locations, the higher priority of cooling at the location on the rim 210 corresponding to the middle of the casting window is the location where localized cooling is first needed. In the conventional water cooling method, the rim 210 is simultaneously cooled once through a circle, shrinkage cavities are easily formed at the two positions due to thermal bonding, and if the flow feeding is increased by simply increasing the casting temperature of the aluminum liquid, the whole wheel casting 200 loses the purposes and functions of low-temperature and low-pressure casting, and the mechanical performance of the wheel casting 200 is sharply reduced.
In the present application, a break-point type air-cooling structure is adopted, and a first air-cooling pipe 21 is provided at a position corresponding to the middle of a casting window on a rim portion 11 of an air-cooling disc 10, and a second air-cooling pipe 22 is provided near a node position where the rim portion 11 is connected to a spoke portion 12. During the molding of the wheel casting 200, the wheel casting can be gradually cooled from the position of the middle part of the corresponding window of the rim 210 at the farthest end from the pouring gate, then the wheel casting is cooled at the position where the rim 210 is connected with the spoke 222, finally the wheel casting is cooled from the position of the spoke 222 close to the rim 210 to the position close to the center of the spoke 220, and the occurrence rate of shrinkage cavity defects and shrinkage porosity problems can be obviously reduced by gradually cooling different point positions.
In addition, by further providing the third air-cooling duct 23, the fourth air-cooling duct 24, the fifth air-cooling duct 25, and the sixth air-cooling duct 26, the air-cooling function can be provided gradually toward the center portion 121 along the spoke portions 122, so that the spokes 222 and the center portion 221 of the wheel casting 200 are gradually cooled down, and the yield is further improved.
Through actual detection, the defects of shrinkage porosity, shrinkage cavity and the like of the casting are obviously reduced. The shrinkage porosity and shrinkage cavity grade detected by an X-ray machine is reduced from the common grade 3-5 to the grade 1-3; the qualified rate of the casting is improved from 70 to 75 percent to more than 85 percent. The mechanical performance index of the casting is obviously improved.
To sum up, the low pressure casting mould breakpoint formula forced air cooling structure 100 of this application sets up first forced air cooling pipe 21 through the position at the corresponding foundry goods window middle part on rim portion 11, sets up second forced air cooling pipe 22 near the position of being connected with spoke portion 12 on rim portion 11, can be used for realizing the cooling in proper order to these two key point positions, prevents to appear shrinkage cavity scheduling problem on the rim 210 of final fashioned wheel foundry goods 200. The yield of the low-pressure casting die 300 using the low-pressure casting die breakpoint type air cooling structure 100 in actual production can be improved.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (9)
1. The utility model provides a low pressure casting mould breakpoint formula forced air cooling structure which characterized in that includes:
the air cooling disc comprises a rim part and a spoke part, the rim part corresponds to the casting wheel rim, the spoke part corresponds to the casting wheel spoke, and the rim part is connected to the circumferential direction of the spoke part; and
the forced air cooling nest of tubes, forced air cooling nest of tubes includes first forced air cooling pipe and second forced air cooling pipe, first forced air cooling union coupling in the position at the corresponding foundry goods window middle part of rim portion, second forced air cooling union coupling in rim portion with near the node position that spoke portion connects.
2. The low pressure casting die breakpoint type air cooling structure as set forth in claim 1, wherein the spoke portion includes a central portion and spoke portions, the spoke portions are connected to a circumferential direction of the central portion, the central portion corresponds to a central portion of the cast spoke, the spoke portions correspond to spokes of the cast spoke, the rim portion is connected to one end of the spoke portions away from the central portion, and the second air-cooling duct is connected to the rim portion in the vicinity of a position where the spoke portions are connected.
3. The low pressure casting die breakpoint-type air cooling structure as claimed in claim 2, wherein the air cooling tube group comprises a third air cooling tube connected to a middle portion of the spoke portion.
4. The low pressure casting die breakpoint-type air cooling structure as claimed in claim 2, wherein the air cooling tube group includes a fourth air cooling tube connected to the spoke portion at a position of the spoke portion near the central portion.
5. The low pressure casting die breakpoint-type air cooling structure as set forth in claim 2, wherein the air cooling tube group comprises a fifth air cooling tube connected to the central portion at a position of the central portion near the spoke portion.
6. The low pressure casting die breakpoint-type air cooling structure as claimed in claim 5, wherein the air cooling tube group comprises a sixth air cooling tube connected to the central portion and located on a side of the fifth air cooling tube away from the spoke portion.
7. The low pressure casting die breakpoint type air cooling structure according to claim 1, wherein the air cooling tube group includes a third air cooling tube, a fourth air cooling tube, a fifth air cooling tube and a sixth air cooling tube for cooling the spoke portion, and the first air cooling tube, the second air cooling tube, the third air cooling tube, the fourth air cooling tube, the fifth air cooling tube and the sixth air cooling tube are not communicated with each other.
8. The low pressure casting die breakpoint type air cooling structure as claimed in claim 1, wherein a position where the first air cooling pipe is connected with the rim portion is a first point position, a position where the second air cooling pipe is connected with the rim portion is a second point position, the first point position is provided with a first chiller, the second point position is provided with a second chiller, and a volume of the first chiller is larger than a volume of the second chiller.
9. A low pressure casting die comprising an upper die section, a lower die and the low pressure casting die breakpoint-type air-cooling structure according to any one of claims 1 to 8, the low pressure casting die breakpoint-type air-cooling structure being provided between the upper die section and the lower die.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220338011.0U CN216828593U (en) | 2022-02-18 | 2022-02-18 | Low-pressure casting mould breakpoint formula forced air cooling structure and low-pressure casting mould |
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| CN202220338011.0U CN216828593U (en) | 2022-02-18 | 2022-02-18 | Low-pressure casting mould breakpoint formula forced air cooling structure and low-pressure casting mould |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117020173A (en) * | 2023-08-09 | 2023-11-10 | 昆山六丰机械工业有限公司 | A low-pressure casting method for rapidly cooling and strengthening wheel spokes |
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2022
- 2022-02-18 CN CN202220338011.0U patent/CN216828593U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117020173A (en) * | 2023-08-09 | 2023-11-10 | 昆山六丰机械工业有限公司 | A low-pressure casting method for rapidly cooling and strengthening wheel spokes |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |