CN217666338U - Novel ejecting of low pressure casting aluminum alloy wheel mould device - Google Patents
Novel ejecting of low pressure casting aluminum alloy wheel mould device Download PDFInfo
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- CN217666338U CN217666338U CN202220335734.5U CN202220335734U CN217666338U CN 217666338 U CN217666338 U CN 217666338U CN 202220335734 U CN202220335734 U CN 202220335734U CN 217666338 U CN217666338 U CN 217666338U
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Abstract
The utility model discloses a novel ejecting device of a low-pressure casting aluminum alloy wheel mold, which comprises a bottom mold, an ejecting mold, a side mold, a casting cavity, an ejecting plate, an ejecting template, an ejecting rod lower plate and an ejecting rod upper plate, wherein the lower edge of the ejecting plate is in clearance fit with the ejecting mold, the fit length is greater than the moving distance of the inner edge of the ejecting plate on the ejecting mold, an oil storage tank is formed after the annular groove of the ejecting plate is matched with the ejecting mold, oil guide holes are arranged around the ejecting plate, and high-temperature-resistant lubricating oil is added into the oil guide holes; the ejector plate and the ejector rod are in large clearance fit, the ejector rod is fixed by the ejector rod upper plate and the ejector rod lower plate through bolts, the ejector rod penetrates through the ejector plate to be in contact with the upper end face of the ejection disc, the ejector rod is forced to move downwards and drives the ejection disc to move downwards during ejection, and accordingly the ejection of a casting of the ejection disc is achieved. The utility model discloses an advantage ejection dish activity is more smooth and easy, and ejecting foundry goods deflection is very little, and this knot is enough made and processing is simple, and is not high to the assembly requirement yet.
Description
Technical Field
The utility model belongs to the wheel mould field of making relates to a novel ejecting of low pressure casting aluminum alloy wheel mould device.
Background
Along with the development of economic society, the living standard of people is obviously improved, and the requirement on the comfort level of driving automobiles is high, but some automobiles run stably at low speed, severe vibration can be generated after the speed of the automobiles is increased to a certain degree, a steering wheel has out-of-control feeling, some automobiles still keep stable running and do not have obvious phenomenon that the vibration of an automobile body floats out of control when running at high speed, the difference is mainly determined by whether the automobile wheels can be dynamically balanced at high speed, the main reason of the dynamic balance of the aluminum alloy wheels is that the center of mass is deviated due to the deformation of the wheels, and the main reason of the deformation of the wheels is that ejector pins of a certain number cannot operate smoothly in the ejection process due to thermal deformation and movement blockage in the die-casting demolding process, meanwhile, the wheels just separate from a cavity, the temperature is about 230 ℃, and the phenomenon that the ejector pins which are blocked to operate at this time are very easy to eject and deform. The novel ejection device of the low-pressure casting aluminum alloy wheel mold is used for reducing ejection deformation of a wheel in a die casting process.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the not enough of current wheel mould, provide a novel ejecting of low pressure casting aluminum alloy wheel mould device, the technical scheme of the utility model as follows:
the utility model provides a novel ejecting device of low pressure casting aluminum alloy wheel mould, comprises die block, top mould, side forms, foundry goods die cavity, ejecting dish, cope match-plate pattern, ejector pin upper plate, ejector pin hypoplastron.
The casting cavity consists of a top die, a top plate, a bottom die and a side die.
The ejection disc is provided with an ejection disc annular groove at the inner diameter position and an ejection disc inner lug on the upper end face of the ejection disc, the ejection disc is in clearance fit with an ejection die, the fit length is greater than the moving distance of the ejection disc inner lug on the ejection die, oil guide holes are formed in the periphery of the ejection disc, the diameter of each oil guide hole is 3-5 mm, the number of the oil guide holes is determined according to the size of the die and can be 4, 6 or more, high-temperature-resistant lubricating oil is added into the oil guide holes, and the ejection disc annular groove and the ejection die are matched to form an oil storage tank.
The ejector plate is in large clearance fit with the ejector rod, the ejector rod is fixed by an ejector rod upper plate and an ejector rod lower plate through bolts, and the ejector rod penetrates through the ejector plate to be in contact with the upper end face of the ejection disc.
The utility model has the advantages that: the utility model provides a novel ejecting device of low pressure casting aluminum alloy wheel mould compares the advantage with the ejecting device of mould in the past is that the ejecting changes 2 parts into by a part and is ejector pin and ejecting dish promptly, and has designed lubricating mechanism, ejecting dish non-deformable, and the activity is more smooth and easy, and the ejecting foundry goods deflection of this structure is very little, and this structural manufacture is simple with processing, and is not high to the assembly requirement yet.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a top view of the eject tray;
FIG. 3 isbase:Sub>A cross-sectional view A-A of the eject tray;
in the figure: 1. the device comprises a bottom die, 2, a top die, 3, a side die, 4, a casting cavity, 5, an oil storage tank, 6, a top disc, 7, a top die plate, 8, a top rod, 9, a top rod upper plate, 10, a top rod lower plate, 11, an oil guide hole, 12, an inner lug of the top disc, 13 and a top disc ring groove.
Detailed Description
The following describes in detail embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1, the novel ejection device for the low-pressure casting aluminum alloy wheel mold comprises a bottom mold 1, a top mold 2, a side mold 3, a casting cavity 4, an ejection disc 6, a top mold plate 7, an ejector rod 8, an ejector rod upper plate 9 and an ejector rod lower plate 10.
The casting cavity 4 is composed of a top die 2, an ejection disc 6, a bottom die 1 and a side die 3.
The ejector plate 6 is in clearance fit with the ejector die 2, the ejector die 2 is connected with the top die plate 7 through a spigot positioning bolt, the ejector die plate 7 is in large clearance fit with the ejector rod 8, the fit clearance is 1mm-1.5mm, so that the ejector rod 8 can smoothly run, the ejector rod 8 is fixed by the ejector rod upper plate 9 and the ejector rod lower plate 10 through bolts, and the ejector rod 8 penetrates through the ejector die plate 7 to be in contact with the ejector plate 6.
The inner diameter of the ejecting disc 6 is provided with an ejecting disc ring groove 13, and the upper end surface of the ejecting disc 6 is provided with an ejecting disc inner lug 12.
The ejection plate 6 is in clearance fit with the ejection die 2, and the fit clearance is 0.2mm-0.25mm. The matching length is longer than the moving distance of the inner ear 12 of the ejection plate on the top die 2; the ejection disc ring groove 13 is matched with the top die 2 to form an oil storage tank 5; the periphery of the ejecting disc 6 is provided with oil guide holes 11, the diameter of each oil guide hole 11 is 3-5 mm, and an included angle between each oil guide hole 11 and the horizontal direction is 35 degrees, so that the lubricating structure is increased, and lubricating oil is prevented from leaking.
The number of the oil guide holes 11 is determined according to the size of the die, and can be 4, 6 or more.
The depth of the ejection disc annular groove 13 is determined by the size of the mould and the length of the matching surface, and can be 2mm, 4mm or more.
And after the mold is closed, the ejector rod 8 is contacted with the upper end surface of the ejector plate 6. The ejection disc 6 forms a part of the casting cavity 4, the inner lugs 12 of the ejection disc are not in contact with the top die 2 but are close to one end of the top die plate 7, the casting is separated from the bottom die 1 and stuck on the top die 2 after stripping, the ejection disc 6 is driven to move downwards while the ejection rod 8 is stressed to move downwards, and the ejection disc 6 ejects the casting.
And after the casting is ejected, the inner lugs 12 of the ejection disc fall on the top die 2, the side die 3 and the bottom die 1 are firstly closed and then the top die 2 is closed during die closing, at the moment, the lower end of the ejection disc 6 is firstly matched with the side die 3, after the top die 2 is matched with the bottom die 1, the ejection disc 6 returns to form a casting cavity 4 together with the bottom die 1, the top die 2 and the side die 3, and the next round of mold filling is prepared.
The utility model has the advantages that: the utility model provides a novel ejecting device of low pressure casting aluminum alloy wheel mould compares the advantage with the ejecting device of mould in the past is that the ejecting changes 2 parts into by a part and is ejector pin and ejecting dish promptly, and has designed lubricating mechanism, ejecting dish non-deformable, and the activity is more smooth and easy, and the ejecting foundry goods deflection of this structure is very little, and this knot is enough made and processing is simple, and is not high to the assembly requirement yet.
Claims (3)
1. The utility model provides a novel ejecting of low pressure casting aluminum alloy wheel mould device, comprises die block, top mould, side forms, foundry goods die cavity, ejecting dish, cope match-plate pattern, ejector pin upper plate, ejector pin hypoplastron, its characterized in that: the ejection disc is designed with oil guide holes around, high-temperature-resistant lubricating oil is added into the oil guide holes, the ejection disc is designed with an ejection disc annular groove at the inner diameter position, and is designed with ejection disc inner lugs on the upper end face of the ejection disc, the ejection disc is in clearance fit with the ejection die, the fit length is greater than the movable distance of the ejection disc inner lugs on the ejection die, and the ejection disc annular groove is matched with the ejection die to form an oil storage tank.
2. The novel ejection device for the low-pressure casting aluminum alloy wheel mold as claimed in claim 1, wherein: the casting cavity consists of a bottom die, a top die, a side die and an ejection disc.
3. The novel ejection device for the low-pressure casting aluminum alloy wheel mold as claimed in claim 1, characterized in that: the number of the oil guide holes is determined according to the size of the die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220335734.5U CN217666338U (en) | 2022-02-19 | 2022-02-19 | Novel ejecting of low pressure casting aluminum alloy wheel mould device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220335734.5U CN217666338U (en) | 2022-02-19 | 2022-02-19 | Novel ejecting of low pressure casting aluminum alloy wheel mould device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217666338U true CN217666338U (en) | 2022-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220335734.5U Active CN217666338U (en) | 2022-02-19 | 2022-02-19 | Novel ejecting of low pressure casting aluminum alloy wheel mould device |
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| CN (1) | CN217666338U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117669091A (en) * | 2023-12-11 | 2024-03-08 | 东莞汇阳塑胶制品有限公司 | Preassembling method and system for multifunctional test die template |
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2022
- 2022-02-19 CN CN202220335734.5U patent/CN217666338U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117669091A (en) * | 2023-12-11 | 2024-03-08 | 东莞汇阳塑胶制品有限公司 | Preassembling method and system for multifunctional test die template |
| CN117669091B (en) * | 2023-12-11 | 2024-05-14 | 东莞汇阳塑胶制品有限公司 | Preassembling method and system for multifunctional test die template |
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