CN111421126B - Novel die casting die can be changed to module - Google Patents
Novel die casting die can be changed to module Download PDFInfo
- Publication number
- CN111421126B CN111421126B CN202010269160.1A CN202010269160A CN111421126B CN 111421126 B CN111421126 B CN 111421126B CN 202010269160 A CN202010269160 A CN 202010269160A CN 111421126 B CN111421126 B CN 111421126B
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- die
- cooling
- casting
- split body
- groove
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Classifications
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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
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/229—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies with exchangeable die part
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2218—Cooling or heating equipment for dies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses a novel die-casting die capable of being replaced, wherein a cooling cavity of a cooling die of the novel die-casting die capable of being replaced is communicated with a groove for accommodating the casting die, so that during cooling, cooling liquid is in direct contact with the surface of the casting die, the heat transfer rate is high, the temperature of each point on the surface of the die is more uniform, and the quality of a casting molding workpiece is improved. In addition, the cooling dies are driven to move by the telescopic driving rod of the driving device, so that the die assembly and the die disassembly of the two cooling dies are realized, and the die assembly process is simpler, more convenient and more efficient.
Description
Technical Field
The invention relates to the technical field of casting mould equipment,
In particular, the invention relates to a novel die-casting die which can be replaced by a die block.
Background
The die casting die is a tool for casting metal parts. The basic technological process of die casting is that molten metal is first cast at low or high speed into the cavity of the mold with movable cavity surface, and the mold is pressurized and forged with the cooling process of molten metal to eliminate the shrinkage cavity and porosity of the blank and to make the internal structure of the blank reach forged broken grains. The comprehensive mechanical properties of the blank are obviously improved.
Control of the surface temperature of the die casting mold is very important for producing high quality die castings. Uneven or improper die casting die temperature can lead to unstable casting size, and casting deformation can occur in the production process, and defects such as hot pressure, die sticking, surface concave, shrinkage cavity, thermal bubble and the like are generated. When the temperature difference of the surface of the die is large, the variables in the production period, such as filling time, cooling time, spraying time and the like, are affected to different degrees. The existing die casting die surface is cooled by adopting a water cooling indirect cooling mode, namely cooling water is not in direct contact with the die surface, so that the difference exists in heat transfer coefficients of all points on the die surface, the heat transfer speed is different, and finally the quality of a cast molding workpiece is influenced. In addition, the existing die casting die cavity is assembled by adopting a screw fastening mode, the assembly process is complex, the time is consumed, and the production efficiency is low.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a novel die-casting die capable of being replaced by a die block.
In order to solve the problems, the invention adopts the following technical scheme:
a novel die-casting die is changed to but module, includes:
The casting mold is provided with a first split body and a second split body, a first casting liquid inlet is formed in the first split body and/or the second split body, and the first split body and the second split body jointly form a cavity mold for containing casting liquid;
the first cooling die is internally provided with a first cooling cavity for containing cooling liquid and a first groove for containing the first split body, and is provided with a first cooling liquid inlet and a first cooling liquid outlet;
A second cooling mould provided with a second cooling cavity for containing cooling liquid and a second groove for containing the second split body, a second inlet and a second outlet for cooling liquid are arranged on the second cooling mould, the second cooling cavity is communicated with the second groove, and
The driving device is fixedly connected with one end of the first cooling die through a telescopic driving rod and can drive the driving rod to move in a telescopic manner;
And the first cooling die and/or the second cooling die is/are provided with a second casting liquid inlet which is communicated with the first casting liquid inlet.
Preferably, the cooling device further comprises a chuck, wherein a third groove for accommodating the chuck is formed in the first cooling die and/or the second cooling die, and the chuck is used for clamping and connecting the first split body and the second split body.
Preferably, the chuck and the third groove are provided with mutually matched positioning columns and positioning holes.
Preferably, a sealing ring is sleeved outside the chuck.
Preferably, the cooling device further comprises a guide rail, and the driving device drives the first cooling die to slide along the guide rail.
Preferably, the cooling device further comprises a base, and the second cooling die is fixedly arranged on the base.
Preferably, opposite surfaces of the first cooling mold and the second cooling mold, which are matched with each other, are provided with a positioning groove and a positioning lug which are mutually clamped.
Preferably, the driving device is a hydraulic driving device, and the driving rod is a hydraulic rod.
Compared with the prior art, the invention has the technical effects that:
According to the novel cooling cavity of the cooling die capable of replacing the die-casting die with the die-casting die, the cooling cavity is communicated with the groove for accommodating the casting die, so that during cooling, cooling liquid is in direct contact with the surface of the casting die, the heat transfer rate is high, the temperature of each point on the surface of the die is more uniform, and the quality of a casting-molded workpiece is improved. In addition, the cooling dies are driven to move by the telescopic driving rod of the driving device, so that the die assembly and the die disassembly of the two cooling dies are realized, and the die assembly process is simpler, more convenient and more efficient.
Drawings
Fig. 1 is a schematic structural diagram of a novel die-casting mold capable of being replaced by a module according to an embodiment of the present invention;
FIG. 2 is a schematic side view of a first cooling mold according to an embodiment of the present invention;
FIG. 3 is a schematic side view of a second cooling mold according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a chuck clamping casting mold according to an embodiment of the present invention.
In the figure, 1, a casting mold, 2, a first cooling mold, 3, a second cooling mold, 4, a driving device, 5, a driving rod, 6, a chuck, 7, a sealing ring, 8, a guide rail, 9, a base, 101, a first split, 102, a second split, 1021, a first casting liquid inlet, 201, a first groove, 202, a first inlet, 203, a first outlet, 204, a third groove, 205, a first cooling mold positioning groove, 206, a first cooling mold positioning bump, 301, a second groove, 302, a second inlet, 303, a second outlet, 304, a second casting liquid inlet, 305, a second cooling mold positioning groove, 306, a second cooling mold positioning bump, 601, a chuck positioning post, 602, a chuck positioning hole, 2041, a third groove positioning post, 2042, and a third groove positioning hole.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The embodiment of the invention provides a novel die-casting die capable of being replaced by a die, and the die-casting die is structurally shown in figures 1,2, 3 and 4. The novel die-casting die capable of being replaced by a die block comprises a casting die 1, a first cooling die 2, a second cooling die 3 and a driving device 4. The casting mold 1 has a first split 101 and a second split 102, and a first casting liquid inlet 1021 is formed in the second split 102 (the first casting liquid inlet 1021 may be formed in the first split 101; or the first split body 101 and the second split body 102 are provided with a first casting liquid inlet, so that casting liquid can be poured from two sides of the casting mould 1 at the same time), the first split body 101 and the second split body 102 jointly form a cavity mould containing casting liquid, a first cooling cavity (not shown in the figure) containing cooling liquid and a first groove 201 containing the first split body 101 are arranged in the first cooling mould 2, the first cooling mould 2 is provided with a first cooling liquid inlet 202 and a first outlet 203, the first cooling cavity is communicated with the first groove 201, the cooling liquid in the first cooling cavity can be directly contacted with the outer surface of the first split body 101 of the casting mould 1 positioned in the first groove 201, a second cooling cavity (not shown in the figure) containing cooling liquid and a second groove 301 containing the second split body 102 are arranged in the second cooling mould 3, the second cooling cavity is communicated with the second groove 301, the second cooling cavity is positioned in the second cooling cavity and the second groove 301, the second cooling cavity can be directly contacted with the outer surface of the second casting mould 1 through a second driving rod, and the second cooling liquid can be directly contacted with the first driving rod 4, the second cooling cavity is directly positioned in the second cooling cavity 3, and the second cooling rod 4 is in telescopic connection with the outer surface of the casting mould 4, and the driving rod 4 can be contacted with the outer surface of the casting mould 4, and the driving rod 4 can be driven, and the telescopic driving device is in a telescopic device is contacted with the second liquid, and the outer end 304 is contacted with the second cooling liquid, and the driving rod is directly 304. When the first casting solution inlet 1021 is formed in each of the first and second split members 101 and 102, the second casting solution inlet 304 communicating with the first casting solution inlet 1021 is formed in each of the first and second cooling molds 2 and 3.
When the novel die-casting die capable of being replaced is used, the first split body 101 and the second split body 102 of the casting die 1 are assembled into a cavity die body containing casting liquid, then the driving device 4 drives the driving rod 5 to extend forwards, so that the first cooling die 2 and the second cooling die 3 are tightly pressed together to be clamped, casting liquid is poured into the first casting liquid inlet 1021 communicated with the first cooling die through the second casting liquid inlet 304 on the second cooling die 3, and meanwhile, circulating cooling liquid is poured into cooling cavities of the first cooling die 2 and the second cooling die 3. In this way, the circulating cooling liquid is fully contacted with the bottoms of the first split body 101 and the second split body 102 of the casting mould 1, the heat transfer process is enhanced, the temperature of each point on the surface of the casting mould 1 is more uniform, and the quality of casting forming workpieces is improved. Meanwhile, the circulating cooling liquid forms stable pressure in the cooling chamber, and the cooling liquid can apply a pair of continuous liquid pressures with opposite directions to the bottoms of the first split body 101 and the second split body 102, so that the first split body 101 and the second split body 102 are tightly attached to each other, and the sealing effect of the first split body 101 and the second split body 102 of the casting mold 1 is promoted.
After casting is completed, the driving device 4 drives the driving rod 5 to shorten backwards, so that the first cooling die 2 and the second cooling die 3 are separated, meanwhile, cooling liquid in the first cooling die 2 and the second cooling die 3 is discharged, the first split 101 and the second split 102 of the casting die 1 are opened, and the cooled and formed casting is taken out, so that the one-time die casting forming process is completed.
The novel first cooling die 2 of the die-casting die capable of being replaced by the die-casting die is driven to move by the telescopic driving rod 5 of the driving device 4, so that the die assembly and the die disassembly of the first cooling die 2 and the second cooling die 3 are realized, and the die assembly process is simpler, more convenient and more efficient.
In order to make the combination connection of the first split 101 and the second split 102 of the casting mold 1 more convenient and compact, preferably, a novel die-casting mold capable of replacing a die module according to this embodiment further includes a chuck 6, wherein the first cooling mold 2 is provided with a third groove 204 for accommodating the chuck 6 (the third groove 204 may also be provided on the second cooling mold 3, or the first cooling mold 2 and the second cooling mold 3 are symmetrically provided with a third groove 204 for accommodating the chuck 6, so that one part of the chuck 6 is located in the third groove 204 provided in the first cooling mold 2, and the other part is located in the third groove 204 provided in the second cooling mold 3), and the chuck 6 is used for clamping and connecting the first split 101 and the second split 102 of the casting mold 1.
Meanwhile, in order to facilitate the mold closing assembly of the first cooling mold 2 and the second cooling mold 3, it is preferable that the chuck 6 and the third groove 204 are provided with positioning posts and positioning holes which are matched with each other, as shown in fig. 2, 3 and 4. The chuck 6 is provided with a chuck positioning column 601 and a chuck positioning hole 602, and the third groove 204 is provided with a third groove positioning hole 2042 matched with the chuck positioning column 601 and a third groove positioning column 2041 matched with the chuck positioning hole 602.
Preferably, the chuck 6 is also sleeved with a sealing ring 7. The sealing ring 7 plays a role of fastening and sealing the casting mold 1, and can prevent cooling liquid from entering the casting mold 1.
Preferably, the novel die-casting die capable of changing the die blocks of the embodiment further comprises a guide rail 8, and the driving device 4 drives the first cooling die 2 to slide back and forth along the guide rail 8. In this way, the first cooling die 2 can make reciprocating movement along the preset direction on the guide rail 8, which is beneficial to quick die closing and positioning of the first cooling die 2 and the second cooling die 3.
Preferably, the novel die-casting die capable of changing the die block of the embodiment further comprises a base 9, and the second cooling die 3 is fixedly arranged on the base 9. When the mold closing or mold unloading operation is performed, the second cooling mold 3 is fixed through the base 9, and the driving device 4 drives the first cooling mold 2 to move back and forth.
Preferably, the opposite surfaces of the first cooling mold 2 and the second cooling mold 3 are provided with positioning grooves and positioning projections which are mutually engaged, as shown in fig. 2 and 3. A first cooling die positioning groove 205 and a first cooling die positioning projection 206 are formed in the first cooling die 2, a second cooling die positioning projection 306 engaged with the first cooling die positioning groove 205 and a second cooling die positioning groove 305 engaged with the first cooling die positioning projection 206 are formed in the second cooling die 3. The driving device 4 drives the first cooling die 2 to stretch out and draw back, so that positioning assembly of the positioning grooves and the positioning convex blocks on the first cooling die 2 and the second cooling die 3 is completed, and the first cooling die 2 and the second cooling die 3 are tightly attached together.
Preferably, the driving means 4 is a hydraulic driving means, while the driving rod 5 is a hydraulic telescopic rod. The hydraulic driving mode is easier to realize automatic control, has stable transmission and quick response, and is suitable for mechanical design, manufacture and application.
The first and second split bodies 101 and 102 of the casting mold 1 of the present invention can be manufactured by 3D printing, so that the casting mold 1 can be a product of any complex shape. When the shape of the casting mold 1 is changed, the shapes of the first groove 201 of the first cooling mold 2 and the second groove 301 of the second cooling mold 3 are correspondingly changed, namely, the casting mold 1, the first cooling mold 2 and the second cooling mold 3 are modularized, and the requirements of producing casting workpieces with different shapes can be met through simple replacement of the modules.
The present invention is not limited to the above-described specific embodiments, and various modifications and variations are possible. Any modification, equivalent replacement, improvement, etc. of the above embodiments according to the technical substance of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. Novel but module change die casting die, its characterized in that includes:
The casting mold is provided with a first split body and a second split body, a first casting liquid inlet is formed in the first split body and/or the second split body, and the first split body and the second split body jointly form a cavity mold for containing casting liquid;
the first cooling die is internally provided with a first cooling cavity for containing cooling liquid and a first groove for containing the first split body, and is provided with a first cooling liquid inlet and a first cooling liquid outlet;
The second cooling die is internally provided with a second cooling cavity for containing cooling liquid and a second groove for containing the second split body, and is provided with a second inlet and a second outlet for cooling liquid; the circulating cooling liquid forms stable pressure in the cooling chamber, and the cooling liquid applies a pair of continuous liquid pressures with opposite directions to the bottoms of the first split body and the second split body;
The driving device is fixedly connected with one end of the first cooling die through a telescopic driving rod and can drive the driving rod to move in a telescopic mode, wherein the driving device is a hydraulic driving device, and the driving rod is a hydraulic rod;
a second casting liquid inlet is formed in the first cooling die and/or the second cooling die, and the second casting liquid inlet is communicated with the first casting liquid inlet;
The cooling device comprises a first cooling die, a second cooling die, a driving device and a guide rail, wherein the driving device drives the first cooling die to slide along the guide rail, and a positioning groove and a positioning lug which are mutually clamped are formed in opposite faces of the die assembly of the first cooling die and the second cooling die.
2. The novel die-casting die capable of being replaced by a module according to claim 1, further comprising a chuck, wherein a third groove for accommodating the chuck is formed in the first cooling die and/or the second cooling die, and the chuck is used for clamping and connecting the first split body and the second split body.
3. The novel die-casting die capable of being replaced by a die-casting die according to claim 2, wherein the chuck and the third groove are provided with mutually matched positioning columns and positioning holes.
4. A new modular exchangeable die casting mold as set forth in claim 3, wherein said chuck is further provided with a sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010269160.1A CN111421126B (en) | 2020-04-08 | 2020-04-08 | Novel die casting die can be changed to module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010269160.1A CN111421126B (en) | 2020-04-08 | 2020-04-08 | Novel die casting die can be changed to module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111421126A CN111421126A (en) | 2020-07-17 |
| CN111421126B true CN111421126B (en) | 2025-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010269160.1A Active CN111421126B (en) | 2020-04-08 | 2020-04-08 | Novel die casting die can be changed to module |
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| JP2005161353A (en) * | 2003-12-02 | 2005-06-23 | Sanpo:Kk | Injection section of die casting machine |
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| CN212350317U (en) * | 2020-04-08 | 2021-01-15 | 福建工程学院 | A Novel Modular Replaceable Die Casting Mould |
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| CN100577327C (en) * | 2005-02-22 | 2010-01-06 | 株式会社日立金属精密 | Manufacturing method of impeller for supercharger |
| JP4626419B2 (en) * | 2005-06-27 | 2011-02-09 | トヨタ自動車株式会社 | Cylinder block casting method and cylinder block |
| JP4518012B2 (en) * | 2005-12-09 | 2010-08-04 | 日産自動車株式会社 | Mold cooling structure and cooling method |
| JP4508150B2 (en) * | 2006-04-24 | 2010-07-21 | トヨタ自動車株式会社 | Mold for casting and cooling method thereof |
| CN101564766B (en) * | 2008-09-28 | 2011-02-02 | 福建工程学院 | Oriented time-sequence air-suction method for casting mould |
| US20140224385A1 (en) * | 2013-02-13 | 2014-08-14 | Caterpillar Incorporated | Apparatus and method for manufacturing a turbocharger component |
| US10173261B2 (en) * | 2015-11-17 | 2019-01-08 | United Technologies Corporation | Highly cooled die casting plunger |
| CN208528047U (en) * | 2018-07-06 | 2019-02-22 | 阜新宝盛压铸机械有限公司 | High-pressure fog lubricated type injection rod |
| KR20190126699A (en) * | 2018-11-23 | 2019-11-12 | 김현호 | Apparatus for cooling diecasting mold having variable extensions |
| CN209886641U (en) * | 2019-04-16 | 2020-01-03 | 青岛宇洋模具机械铸造有限公司 | Sealing mechanism for production of pressure container mold |
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2020
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09103864A (en) * | 1995-10-11 | 1997-04-22 | Toyota Motor Corp | Die casting machine |
| JP2005161353A (en) * | 2003-12-02 | 2005-06-23 | Sanpo:Kk | Injection section of die casting machine |
| CN109332661A (en) * | 2018-12-04 | 2019-02-15 | 河北四通新型金属材料股份有限公司 | A kind of anti-segregation alloy casting device |
| CN212350317U (en) * | 2020-04-08 | 2021-01-15 | 福建工程学院 | A Novel Modular Replaceable Die Casting Mould |
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| CN111421126A (en) | 2020-07-17 |
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Address after: No. 33, Xuefu South Road, New University District, Shangjie Town, Minhou County, Fuzhou City, Fujian Province, 350118 Patentee after: Fujian University of Science and Technology Country or region after: China Address before: No. 33, Xuefu South Road, New University District, Shangjie Town, Minhou County, Fuzhou City, Fujian Province, 350118 Patentee before: FUJIAN University OF TECHNOLOGY Country or region before: China |