CN111390122A - Liquid forming die structure of deformed aluminum alloy high-power tooth radiator - Google Patents
Liquid forming die structure of deformed aluminum alloy high-power tooth radiator Download PDFInfo
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- CN111390122A CN111390122A CN202010332958.6A CN202010332958A CN111390122A CN 111390122 A CN111390122 A CN 111390122A CN 202010332958 A CN202010332958 A CN 202010332958A CN 111390122 A CN111390122 A CN 111390122A
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- cavity
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- mould body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/10—Cores; Manufacture or installation of cores
- B22C9/103—Multipart cores
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/02—Use of electric or magnetic effects
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
Abstract
The invention provides a liquid forming die structure of a deformed aluminum alloy high-power tooth radiator, which comprises: the mould comprises a mould body, wherein a cavity is arranged in the mould body, an exhaust hole and a liquid injection hole communicated with the cavity are formed in the mould body, and a mould core of a radiator is arranged in the cavity; heating means for supplying heat to the conductive metal in the cavity when the cavity is supplied with the conductive metal in a molten state. The invention can be used for producing the radiator with the tooth thickness less than 1.0mm, the tooth space less than or equal to 1.0mm, the tooth height more than 20mm, the thickness of the bottom plate of the radiator of 10mm and more and the width of the radiator of more than 200 mm; in the forming process, the radiator produced by the invention can not generate deformation, and secondary processing is not needed to be carried out on the radiator, so that the cost is effectively reduced, the production period of the product is shortened, and the production efficiency is greatly improved. In addition, the invention can keep good fluidity of the liquid metal and ensure the integrity of the filling mold and the quality of the product.
Description
Technical Field
The invention relates to the technical field of metal casting molds, in particular to a liquid forming mold structure of a deformed aluminum alloy high-power tooth radiator.
Background
At present, the aluminum extruded radiator is widely applied to various fields such as communication, inverters, IGBTs, servers, vehicle-mounted sound equipment, vehicle lamps, high-power L ED stage lamps, city spot lamps, high-power lasers, IT fields, voltage-stabilized power supplies, inverter power supplies, charging pile power supplies, switching power supplies, communication power supplies, alternating current and direct current power supplies, various electric control cabinets and the like, and the aluminum extruded radiator accounts for a huge amount in the field of industrial sectional materials, and the existing production mode of the aluminum extruded radiator is that the adopted raw materials are generally traditional 6063 deformed aluminum alloy internationally or domestically, 6063 deformed aluminum alloy cast bars are extruded in an extrusion forming die through extrusion force of an extruding machine, however, as the pressure borne by the die of the high-power tooth radiator has extreme, when the tooth thickness of the radiator is smaller than 1.0mm, the tooth spacing of the radiator is smaller than or equal to 1.0mm, the tooth height of the radiator is larger than 20mm, the thickness of the radiator bottom plate is 10mm or more than the thickness, and when the width of the radiator reaches more than 200mm, the pressure-bearing stress of the 2500 tons of the extruding machine is difficult to reach any die.
Meanwhile, in the molding process, once the tooth part of the mold is in a skew state, the mold needs to be arranged on the machine table again and heated to 460-480 ℃, so that the tooth part is deformed; in addition, the temperature of the cast bar is high and the temperature of the die is relatively low to maintain the relative initial rigidity of the die in the conventional process, but long-term practice proves that the deformed aluminum alloy radiator for extruding the high-power teeth has limit, and the rigidity of the die fails when the limit is exceeded, which is a pain point in the industry. The heat conductivity coefficient of the die-casting aluminum, such as ADC12, is only about 1/2 of that of wrought aluminum alloy, and meanwhile, the die-casting aluminum radiator cannot be anodized, so that the heat radiator produced by the die-casting aluminum cannot meet the requirement.
In addition, in many occasions, secondary machining is often required on a bottom plate and a radiator tooth part of the extruded deformed aluminum alloy radiator to remove redundant materials at many positions, which causes great waste, so that a great deal of machining and material cost is increased, for example, a microwave radiating shell communication part needs to be machined into a shell by a thick aluminum plate, a great deal of aluminum metal is wasted, nearly 2 hours are required for secondary machining, and the machining cost is high.
In summary, the existing production process of the deformed aluminum alloy high-power tooth radiator cannot meet the use requirements, the yield is low, the cost is high, and the radiator with the tooth thickness smaller than 1.0mm, the tooth space smaller than or equal to 1.0mm, the tooth height larger than 20mm, the radiator bottom plate thickness of 10mm or more and the radiator width larger than 200mm cannot be produced.
Disclosure of Invention
In view of the above problems, the present invention has been made to provide a liquid molding die structure of a deformed aluminum alloy high-power tooth heat sink.
A liquid forming die structure of a deformed aluminum alloy high-power tooth radiator.
The mold structure includes:
the mould comprises a mould body, wherein a cavity is arranged in the mould body, an exhaust hole and a liquid injection hole communicated with the cavity are formed in the mould body, and a mould core of a radiator is arranged in the cavity;
heating means for supplying heat to the conductive metal in the cavity when the cavity is supplied with the conductive metal in a molten state.
From the top, after the metal reaches the set temperature by solid metal through preheating from the smelting process, liquid metal melt gets into mould body die cavity along annotating the liquid hole and fills the type, and the intracavity gas is discharged from the exhaust hole, therefore liquid metal melt fills the type continuous casting flow process from smelting furnace to casting mould die cavity, the fuse-element temperature of liquid metal is being controlled to heating device all the time, belong to the constant temperature flow and fill the type state, liquid metal melt is in the environment under vacuum environment or inert gas protection, or pour into the liquid metal melt into the mould under the air environment, and from annotating the whole process of liquid hole to die cavity, all be in by the heating state, so can realize the technological process of isothermal gravity continuous casting. After the liquid metal melt is filled, heating is stopped, then after the liquid metal melt is cooled and formed, the die body is disassembled to obtain a finished radiator, deformation can not occur in the forming process, secondary processing is not needed to be carried out on the radiator, cost is effectively reduced, the production period of a product is shortened, and production efficiency is greatly improved.
Because of adopting the liquid forming mode, extrusion is not needed in the production process, so that the invention can be used for producing the radiator with the tooth thickness less than 1.0mm, the tooth space less than or equal to 1.0mm, the tooth height more than 20mm, the thickness of the radiator bottom plate more than 10mm and the radiator width more than 200 mm. In addition, the invention can keep good fluidity of the liquid metal, ensure the integrity of the filling mold and the quality of the product, and simultaneously correct a plurality of inherent defects such as looseness, sand holes, air holes, hot cracks, cold lines, hot junctions, cold barriers and the like in the traditional cooling casting mode, so that the maintenance of the constant-temperature flowing filling mold state of the liquid metal melt is a key step of the realization of liquid precision casting molding of the wrought aluminum alloy, and the processes of melting, filling, solidification control and the like of the wrought aluminum alloy and the composite material thereof are a pioneering technical revolution which fills the blank in the field of liquid precision casting molding of the metal-based composite material.
As an improvement of the present invention, the heating device includes an electromagnetic induction coil, the mold body is placed in the electromagnetic induction coil, and when the cavity is supplied with the conductive metal in a molten state, the electromagnetic induction coil causes an induced current to be generated in the conductive metal in the cavity to be heated.
As an improvement of the invention, the mold core comprises a plurality of installation parts arranged side by side and chips vertically arranged on the lower end faces of the installation parts, the installation parts are tightly connected together through fasteners, vertical gaps are reserved between adjacent chips, a space is reserved between the lower end faces of the chips and the bottom of a cavity, the installation parts are detachably fixed on the upper part of the cavity, and a communication opening between a liquid injection hole and the cavity is formed in the bottom of the cavity.
Further, the mold core is a ceramic mold core.
Optionally, the fastener is a bolt and a nut, and two ends of the bolt are respectively placed in the clamping grooves in the cavity and fixed.
As an improvement of the invention, the die body comprises an inner die and an outer die, the outer die is coated outside the inner die, the inner die comprises an inner left plate, an inner right plate, an inner upper plate, an inner lower plate, an inner front plate and an inner rear plate, the butt joint seam of the inner left plate and the inner upper plate, the butt joint seam of the inner right plate and the inner upper plate are Z-shaped, the outer die comprises an outer left plate, an outer right plate, an outer upper plate, an outer lower plate, an outer front plate and an outer rear plate, the butt joint seam of the outer left plate and the outer upper plate, the butt joint seam of the outer left plate and the inner lower plate and the butt joint seam of the outer right plate and the inner lower plate are Z-shaped, the outer die is provided with a high-temperature-resistant self-locking buckle belt, and the outer left plate, the outer right plate, the outer upper plate, the outer lower plate, the outer front plate and the outer rear plate.
Further, the butt joint seam of the inner left plate and the inner upper plate and the butt joint seam of the outer left plate and the outer upper plate are staggered.
Further, the mould body is an inorganic refractory material mould body or a ceramic mould body.
The invention has the following beneficial effects:
because of adopting the liquid forming mode, extrusion is not needed in the production process, so that the invention can be used for producing the radiator with the tooth thickness less than 1.0mm, the tooth space less than or equal to 1.0mm, the tooth height more than 20mm, the thickness of the bottom plate of the radiator of 10mm and more than 200mm and the width of the radiator of more than 200 mm; in the forming process, the radiator produced by the invention can not generate deformation, and secondary processing is not needed to be carried out on the radiator, so that the cost is effectively reduced, the production period of the product is shortened, and the production efficiency is greatly improved. In addition, the invention can keep good fluidity of the liquid metal, ensure the integrity of the filling mold and the quality of the product, and simultaneously correct a plurality of inherent defects such as looseness, sand holes, air holes, hot cracks, cold lines, hot junctions, cold barriers and the like in the traditional cooling casting mode, so that the maintenance of the constant-temperature flowing filling mold state of the liquid metal melt is a key step of the realization of liquid precision casting molding of the wrought aluminum alloy, and the processes of melting, filling, solidification control and the like of the wrought aluminum alloy and the composite material thereof are a pioneering technical revolution which fills the blank in the field of liquid precision casting molding of the metal-based composite material. The radiator produced by the invention not only saves the traditional equipment of die casting machines, but also has no noise, sewage discharge, waste residue discharge and waste gas discharge in the process, and is a model of environment-friendly basic manufacturing industry of green production, thereby greatly reducing the generation of environmental pollution sources.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the application, are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
fig. 1 is a schematic sectional view of a liquid molding die structure of a wrought aluminum alloy high-power tooth heat sink according to the present application.
Description of reference numerals: 10. a cavity; 20. an exhaust hole; 30. a liquid injection hole; 40. a mold core 41, a mounting portion 42, a chip 43, a bolt; 50. an electromagnetic induction coil; 60. an outer die, 61, an outer left plate, 62, an outer right plate, 63, an outer upper plate, 64 and an outer lower plate; 70. an inner mold 71, an inner left plate 72, an inner right plate 73, an inner upper plate 74, an inner lower plate; 80. a self-locking buckle belt.
Detailed Description
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings and examples.
The terms of orientation of upper, lower, left, right, front, rear, inner, outer, top, bottom, and the like, which are or may be referred to in this specification, are defined relative to the configuration shown in the drawings, and are relative terms, and thus may be changed correspondingly according to the position and the use state thereof. Therefore, these and other directional terms should not be construed as limiting terms.
Furthermore, the terms "comprises," "comprising," and any variations thereof, are intended to cover non-exclusive inclusions.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring first to fig. 1, a liquid molding die structure of a wrought aluminum alloy high-power tooth heat sink is shown.
The mold structure includes:
the mould comprises a mould body, wherein a cavity 10 is arranged in the mould body, an exhaust hole 20 and a liquid injection hole 30 communicated with the cavity 10 are arranged on the mould body, and a mould core 40 of a radiator is arranged in the cavity 10;
heating means for supplying heat to the conductive metal in the cavity 10 when the cavity 10 is supplied with the conductive metal in a molten state.
From the above, after the metal is preheated to a predetermined temperature from the solid metal in the smelting process, the liquid metal melt enters the die body cavity 10 along the liquid injection hole 30 to be filled with the mold, and the gas in the die cavity 10 is discharged from the gas exhaust hole 20, so that the liquid metal melt is continuously cast and flows from the smelting furnace to the casting die cavity 10, the melt temperature of the liquid metal is always controlled by the heating device, the liquid metal melt belongs to a constant-temperature flowing and filling state, the liquid metal melt is injected into the die in the environment of vacuum environment or inert gas protection or in the air environment, and the whole process from the liquid injection hole 30 to the die cavity 10 is in a heated state, so that the isothermal gravity continuous casting process can be realized. After the liquid metal melt is filled, heating is stopped, then after the liquid metal melt is cooled and formed, the die body is disassembled to obtain a finished radiator, deformation can not occur in the forming process, secondary processing is not needed to be carried out on the radiator, cost is effectively reduced, the production period of a product is shortened, and production efficiency is greatly improved.
Because of adopting the liquid forming mode, extrusion is not needed in the production process, so that the invention can be used for producing the radiator with the tooth thickness less than 1.0mm, the tooth space less than or equal to 1.0mm, the tooth height more than 20mm, the thickness of the radiator bottom plate more than 10mm and the radiator width more than 200 mm. In addition, the invention can keep good fluidity of the liquid metal, ensure the integrity of the filling mold and the quality of the product, and simultaneously correct a plurality of inherent defects such as looseness, sand holes, air holes, hot cracks, cold lines, hot junctions, cold barriers and the like in the traditional cooling casting mode, so that the maintenance of the constant-temperature flowing filling mold state of the liquid metal melt is a key step of the realization of liquid precision casting molding of the wrought aluminum alloy, and the processes of melting, filling, solidification control and the like of the wrought aluminum alloy and the composite material thereof are a pioneering technical revolution which fills the blank in the field of liquid precision casting molding of the metal-based composite material.
In this embodiment, the heating device includes an electromagnetic induction coil 50, the mold body is placed in the electromagnetic induction coil 50, and when the cavity 10 is supplied with the conductive metal in a molten state, the electromagnetic induction coil 50 causes an induced current to be generated in the conductive metal in the cavity 10 to be heated.
Preferably, the external power source can adjust the current input to the electromagnetic induction coil 50, such as turning on and off the power source, changing the direction of the current, changing the frequency of the current, changing the magnitude of the current, and so on. For example, the controller adjusts the current input by the external power source to the electromagnetic induction coil 50, that is, the external power source is electrically connected to the electromagnetic induction coil 50 through the controller to control the current input by the electromagnetic induction coil 50. The change of the current can cause the corresponding change of the Lorentz force on the molten metal, and the sudden disappearance, the change of the direction, the change of the size and the like of the Lorentz force can influence the flow of the molten metal in the cavity 10, so that the fiber and particle lumps in the molten metal can be scattered, and the components of the molten metal tend to be uniform. Therefore, the electromagnetic induction heating mode is adopted, and the molten metal is filled in the cavity 10 more uniformly by controlling the heating current and the current direction.
In alternative embodiments, the heating device may also be a device that provides heat to the molten metal in the mold cavity 10 by heat transfer, radiation heating, or the like, or a device that provides heat to the molten metal in the mold cavity 10 by a combination of two or more of heat transfer, radiation heating, electromagnetic induction heating, or the like.
In this embodiment, the mold core 40 includes a plurality of installation portions 41 arranged side by side and a chip 42 vertically arranged on the lower end surface of the installation portion 41, the installation portions 41 are tightly connected together by a fastener, a vertical gap is left between adjacent chips 42, and a space is left between the lower end surface of the chip 42 and the bottom of the cavity 10, the installation portion 41 is fixed on the upper portion of the cavity 10 in a detachable manner, and the communicating port of the liquid injection hole 30 and the cavity 10 is arranged at the bottom of the cavity 10. The mold core 40 is assembled with a plurality of chips 42 to facilitate disassembly and separation of the heat sink from the mold core 40 after the heat sink is formed. Particularly, when the tooth thickness of the heat sink is less than 1.0mm, the tooth pitch is less than or equal to 1.0mm, the tooth height is greater than 20mm, the thickness of the bottom plate of the heat sink is 10mm or more, and the width of the heat sink is 200mm or more, if the mounting portion 41 is integrally formed, the tooth thickness of the heat sink is small, so that the force cannot be applied too much to disassemble and separate the heat sink from the mold core 40 to prevent the heat sink from being damaged, which results in a slow disassembling and separating speed.
In the present embodiment, the mold core 40 is a ceramic mold core 40. Is prepared from materials with very low conductivity at the temperature below the melting point of the supplied conductive metal, such as zirconium ceramic materials, aluminum titanate ceramic materials, corundum ceramic materials and the like.
Specifically, as a preferred embodiment of the present invention, the fastening member is a bolt 43 and a nut, and two ends of the bolt 43 are respectively placed in the clamping grooves inside the cavity 10 for fixing. The groove direction of the clamping groove can be vertical, at the moment, the mold core 40 is placed into the clamping groove from the top of the mold body to be fixed, then the top of the mold body is sealed, and the mold core 40 can be fixed; the groove direction of the clamping groove can be the horizontal direction, at the moment, the mold core 40 is placed into the clamping groove from the side face of the mold body and is fixed, then the side face of the mold body is sealed, and the mold core 40 can be fixed.
In this embodiment, the mold body includes an inner mold 70 and an outer mold 60, the outer mold 60 is wrapped around the inner mold 70, the inner mold 70 includes an inner left plate 71, an inner right plate 72, an inner upper plate 73, an inner lower plate 74, an inner front plate and an inner rear plate, and the butt joint seam of the inner left plate 71 and the inner upper plate 73 and the butt joint seam of the inner right plate 72 and the inner upper plate 73 are Z-shaped, the outer mold 60 includes an outer left plate 61, an outer right plate 62, an outer upper plate 63, an outer lower plate 64, an outer front plate and an outer rear plate, the butt joint seam of the outer left plate 61 and the outer upper plate 63, the butt joint seam of the outer left plate 61 and the inner lower plate 74 and the butt joint seam of the outer right plate 62 and the inner lower plate 74 are Z-shaped, the outer die 60 is provided with a high temperature resistant self-locking buckle belt 80, and the outer left plate 61, the outer right plate 62, the outer upper plate 63, the outer lower plate 64, the outer front plate and the outer rear plate of the outer die 60 are bound and fixed by the self-locking buckle belt 80. The double-sealing inner die and outer die 60 are adopted in the die body for double sealing, the inner die 70 is formed by splicing an inner left plate 71, an inner right plate 72, an inner upper plate 73, an inner lower plate 74, an inner front plate and an inner rear plate, the outer die 60 is coated on the inner die 70, the inner die 70 and the outer die 60 are assembled, repeated use and installation are facilitated, in addition, butt joints of the inner left plate 71 and the inner upper plate 73 and butt joints of the inner right plate 72 and the inner upper plate 73 are Z-shaped, and the butt joints of the outer left plate 61 and the outer upper plate 63, butt joints of the outer left plate 61 and the inner lower plate 74 and butt joints of the outer right plate 62 and the inner lower plate 74 are Z-shaped, so that better sealing can be realized, and molten metal is prevented from leaking.
In this embodiment, a further improvement is made that the butt joint of the inner left plate 71 and the inner upper plate 73 and the butt joint of the outer left plate 61 and the outer upper plate 63 are staggered. The butt joint seam at the upper left position between the inner mold 70 and the outer mold 60 is further staggered, so that the sealing performance is better.
In this embodiment, the mold body is an inorganic refractory mold body or a ceramic mold body. Or a material having a very low conductivity at a temperature below the melting point of the supplied conductive metal, such as a zirconium ceramic material, an aluminum titanate ceramic material, a corundum ceramic material, etc.
The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. The utility model provides a liquid forming die structure of high tooth radiator of wrought aluminum alloy which characterized in that includes:
the mould comprises a mould body, wherein a cavity is arranged in the mould body, an exhaust hole and a liquid injection hole communicated with the cavity are formed in the mould body, and a mould core of a radiator is arranged in the cavity;
heating means for supplying heat to the conductive metal in the cavity when the cavity is supplied with the conductive metal in a molten state.
2. The casting system of claim 1, wherein: the heating device comprises an electromagnetic induction coil, the mould body is arranged in the electromagnetic induction coil, and when the cavity is provided with the conductive metal in a molten state, the electromagnetic induction coil generates induction current in the conductive metal in the cavity to be heated.
3. The casting system of claim 1, wherein: the die core comprises a plurality of installation parts arranged side by side and a vertical chip arranged on the lower end face of the installation parts, the installation parts are tightly connected together through fasteners, a vertical gap is reserved between adjacent chips, a space is reserved between the lower end face of each chip and the bottom of the cavity, the installation parts are fixed on the upper portion of the cavity in a detachable mode, and a liquid injection hole and a communication port of the cavity are formed in the bottom of the cavity.
4. The casting system of claim 1, wherein: the mold core is a ceramic mold core.
5. The casting system of claim 3, wherein: the fastener is a bolt and a nut, and two ends of the bolt are respectively arranged in the clamping grooves in the cavity and fixed.
6. The casting system of claim 1, wherein: the mould body includes centre form and external mold, and the external mold cladding is outside the centre form, the centre form includes interior left board, interior right board, interior upper plate, interior hypoplastron, interior front bezel and interior back plate, just the butt joint seam of interior left board and interior upper plate, the butt joint seam of interior right board and interior upper plate all are the zigzag, the external mold includes outer left board, outer right board, outer upper plate, outer hypoplastron, outer front bezel and outer back plate, the butt joint seam of outer left board and outer upper plate, the butt joint seam of outer left board and interior hypoplastron and the butt joint seam of outer right board and interior hypoplastron all are the zigzag, be equipped with high temperature resistant self-locking type cingulum on the external mold, bind fixedly outer left board, outer right board, outer upper plate, outer hypoplastron, outer front bezel and outer back plate of external mold from locking type.
7. The casting system of claim 6, wherein: the butt joint seam of the inner left plate and the inner upper plate and the butt joint seam of the outer left plate and the outer upper plate are staggered.
8. The casting system of claim 1, wherein: the mould body is an inorganic refractory material mould body or a ceramic mould body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010332958.6A CN111390122A (en) | 2020-04-24 | 2020-04-24 | Liquid forming die structure of deformed aluminum alloy high-power tooth radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010332958.6A CN111390122A (en) | 2020-04-24 | 2020-04-24 | Liquid forming die structure of deformed aluminum alloy high-power tooth radiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111390122A true CN111390122A (en) | 2020-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010332958.6A Pending CN111390122A (en) | 2020-04-24 | 2020-04-24 | Liquid forming die structure of deformed aluminum alloy high-power tooth radiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111390122A (en) |
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2020
- 2020-04-24 CN CN202010332958.6A patent/CN111390122A/en active Pending
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