CN209439417U - A kind of pressurized construction of die casting - Google Patents
A kind of pressurized construction of die casting Download PDFInfo
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- CN209439417U CN209439417U CN201822129733.1U CN201822129733U CN209439417U CN 209439417 U CN209439417 U CN 209439417U CN 201822129733 U CN201822129733 U CN 201822129733U CN 209439417 U CN209439417 U CN 209439417U
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- die
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- connecting rod
- oil cylinder
- pressurized construction
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Abstract
The utility model discloses a kind of pressurized constructions of die casting, including upper mold (1) and lower die (2), the upper mold (1) is connected with lower die (2), and form the die-casting die chamber (4) of target casting (3), in at least side of the die-casting die chamber (4), the lower die (2) is equipped with the pressurization slot (5) being connected with die-casting die chamber (4), and the lower part of the lower die (2) is equipped with the supercharging device being connected with pressurization slot (5).The beneficial effects of the utility model are clearly: simple and stable structure, cast-internal bubble is few, and quality is high, at low cost.
Description
Technical field
The utility model relates to the technical field of die casting, more specifically to a kind of boosted junction of die casting
Structure.
Background technique
In die casting, there are many reason of influencing casting quality, and cast-internal there are bubble be wherein it is important because
Element.On the market, since structure is unreasonable, many casting are difficult to reach technical requirements because of air bubble problem, are especially casting
The thicker part of part thickness.It is unqualified that this will lead to casting finished products, or even scraps, extreme influence the production cost of enterprise.Cause
This, it is necessary to a kind of structure of cast die for effectively eliminating or reducing cast-internal bubble is designed to solve the above problems, with full
The needs of sufficient Vehicles Collected from Market.The utility model provides one by the combined innovation of upper die and lower die, pressurization slot and supercharging device etc.
Kind simple and stable structure, cast-internal bubble is few, and quality is high, die casting pressurized construction at low cost.
Summary of the invention
The utility model solve in the prior art general die casting structure without effectively solve cast-internal bubble compared with
More problems provides a kind of pressurized construction of die casting, crosses the combined innovation of upper die and lower die, pressurization slot and supercharging device etc.,
Realize that the pressurized construction of the die casting has simple and stable structure, cast-internal bubble is few, the high feature of casting quality.
In order to solve above-mentioned technical problem, the utility model takes following technical proposals: a kind of die casting
Pressurized construction, including upper die and lower die, the upper die and lower die are connected, and form the die-casting die chamber of target casting, in the pressure
At least side of mould cavity, the lower die are equipped with the pressurization slot being connected with die-casting die chamber, and the lower part of the lower die is equipped with and institute
State the supercharging device that pressurization slot is connected.
After molten metal is fully injected into the die casting, the die-casting die chamber will constrain the molten metal, and
Form the concrete shape of target casting；Target casting gradually cool down during, start supercharging device, the supercharging device to
It is pressurized in slot and extends, the pressurization sump volume becomes smaller, so that molten metal, to the intracavitary extruding of die-casting die, the die casting cavity pressure increases
Greatly, the density of the molten metal of the die-casting die chamber increases, the thicker partial pressure of the gradually thickness especially in die-casting die chamber
Increase significantly with density, so that bubble becomes smaller, even is eliminated, avoiding the casting, there are perforative wind due to bubble
Danger, casting quality are substantially improved, and qualification rate at least improves one percentage point.Therefore, in further design scheme, the increasing
The thicker side of the casting section thickness is arranged in indent and the supercharging device, and the thicker side of the casting section thickness is the casting
The thickness of part is a part of 2 times of the thickness of casting thickness thinnest part or 2 times or more.
The upper mold and the lower die are the basic structure of the die casting, generally carry out guiding connection by guide post,
And when producing casting, it is fixed or is demoulded by oil cylinder；The pressurization slot, structure is simple, for increasing the compression mod
The capacity of tool increases the volume of die-casting die chamber；The supercharging device has power source, can be towards under the action of power source
It is pressurized the movement that slot is pressurized and can reset.The pressurized construction of the utility model passes through upper die and lower die, pressurization slot and pressurization
The combined innovation of device, provides that a kind of structure is simple, realize the intracavitary Quick-pressurizing of die-casting die, less or eliminate gas in casting
Bubble, casting quality improve significant die casting pressurized construction.
Preferably, the supercharging device is made of oil cylinder and connecting rod, the connecting rod passes through lower die, and the bottom with pressurization slot
Portion is connected, and the output shaft of the oil cylinder is fixedly connected with connecting rod.The high temperature resistant of oil cylinder and high-power characteristic are fully able to full
The technical requirements produced enough are the connecting rods that setting one is connected with pressurization slot on output shaft in oil cylinder, it is direct to avoid output shaft
With molten metal contacts, extends the oil cylinder service life, reduce cost；Meanwhile increasing connecting rod, the length of output shaft can be made shorter, reduced
The model of oil cylinder is further reduced the cost in the case where meeting the technical requirements of production；And in demoulding, oil cylinder resets, defeated
Shaft and connecting rod retract, and reduce the vacuum degree in the intracavitary portion of die-casting die, improve demoulding efficiency.
Preferably, the diameter of the output shaft is less than the diameter of connecting rod.In the case where rated output power is constant, subtract
Few contact area is to improve the most direct effective method of pressure；By reducing the diameter of connecting rod, so that interlinking lever end and pressurization
The contact area of slot becomes smaller, therefore pressure increases, and the active force intracavitary to die-casting die increases, further less or elimination cast-internal
Bubble, improve casting quality.In further design scheme, connecting rod can be fabricated to multi-step structure, be further reduced
The volume of interlinking lever end improves casting quality.
Preferably, the supercharging device further includes fixing sleeve, one end of the fixing sleeve and the output shaft are socketed simultaneously
It is mutually fixed by fastening bolt, the other end of the fixing sleeve is connected with connecting rod.Fixing sleeve, structure is simple, for output shaft with
The connection of connecting rod, and the work such as can be dismantled, installed, overhauled and replaced to connecting rod by fastening bolt, it is not necessary to make oil cylinder and
Connecting rod is replaced together, is effectively reduced cost.
Preferably, the pressurized construction further includes axle sleeve compatible with connecting rod, described axle sleeve one end and oil cylinder are removable
Unload connected, the other end and the lower die of axle sleeve are bolted.Axle sleeve, structure is simple, increases oil cylinder at a distance from die casting, increases
The heat-dissipating space for having added oil cylinder extends its service life；And there is guiding role to connecting rod, guarantee the stability of pressurization, improves
Casting quality.
Preferably, the oil cylinder is feed cylinder.Feed cylinder, in pressurization, so that output shaft drives connecting rod
It slowly stretches out, the intracavitary portion of die-casting die is pressurized gradually, is further reduced or eliminates the bubble of cast-internal, improves casting quality.
Preferably, the oil cylinder is Numeric hydraulic cylinder.After the completion of supercharging device debugging, die-casting die can be determined
Intracavitary pressurization numerical value, digital oil hydraulic cylinder obtain the length that its output shaft stretches out by the pressurization numerical value, and the production after being allowed to
Process is always maintained at output shaft and stretches out the length, and Numeric hydraulic cylinder still drives connecting rod slowly to stretch, and guarantees with a batch casting
Part deviation is small, has stable quality.
Due to taking above-mentioned technical solution, a kind of pressurized construction of die casting provided by the utility model has in this way
The utility model has the advantages that provide a kind of simple and stable structure by upper die and lower die, the combined innovation of pressurization slot and supercharging device etc., cast
Part air entrapment is few, and quality is high, die casting pressurized construction at low cost.
It is to be appreciated that the introduction of the utility model does not need to realize whole beneficial effects recited above, but
The specific technical effect that specific technical solution may be implemented, and the other embodiments of the utility model can also be realized
The beneficial effect that do not mention above.
Detailed description of the invention
Attached drawing 1 is a kind of structural schematic diagram of the utility model；
Attached drawing 2 is the A of the utility model attached drawing 1 to enlarged drawing.
In figure: 1- upper mold, 2- lower die, 3- target casting, 4- die-casting die chamber, 5- pressurization slot, 6- oil cylinder, 7- connecting rod, 8- are solid
Fixed set, 9- axle sleeve.
Specific embodiment
It is practical new below in conjunction with this to keep the purpose of this utility model, feature, advantage more obvious and understandable
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is only the utility model a part of the embodiment, and not all embodiments.Based on the implementation in the utility model
Example, those skilled in the art's every other embodiment obtained without making creative work, belongs to this reality
With novel protected range.
The principles of the present invention and spirit are described below with reference to several illustrative embodiments.It should be appreciated that giving
These embodiments are out just for the sake of making those skilled in the art can better understand that realize the utility model in turn, and simultaneously
It is non-to limit the scope of the utility model in any way.On the contrary, thesing embodiments are provided so that the utility model more
It is thorough and complete, and the scope of the utility model can be completely communicated to those skilled in the art.
The technical solution of the utility model is further elaborated in the following with reference to the drawings and specific embodiments.
In conjunction with Fig. 1, a kind of pressurized construction of die casting, including upper mold 1 and lower die 2, the upper mold 1 are connected with lower die 2,
And the die-casting die chamber 4 of target casting 3 is formed, in at least side of the die-casting die chamber 4, the lower die 2 is equipped with and die-casting die chamber 4
The pressurization slot 5 being connected, the lower part of the lower die 2 are equipped with the supercharging device being connected with the pressurization slot 5.
After molten metal is fully injected into the die casting, the die-casting die chamber 4 will constrain the molten metal, and
Form the concrete shape of target casting 3；During target casting 3 gradually cools down, start supercharging device, the supercharging device
Extending into pressurization slot 5,5 volume of pressurization slot becomes smaller, so that molten metal is squeezed into die-casting die chamber 4, the die-casting die chamber 4
Pressure increases, and the density of the molten metal of the die-casting die chamber 4 increases, and the gradually thickness especially in die-casting die chamber 4 is thicker
Partial pressure and density increase significantly, so that bubble becomes smaller, even are eliminated, avoid the target casting 3 due to bubble
There are perforative risk, 3 mass of target casting is substantially improved, and qualification rate at least improves one percentage point.Therefore, further
In design scheme, the thicker side of 3 wall thickness of target casting, the casting is arranged in the pressurization slot 5 and the supercharging device
The thicker side of part wall thickness be the thickness of the target casting 3 be 2 times or 2 times of thickness of 3 thickness thinnest part of target casting with
On a part.
The upper mold and the lower die are the basic structure of the die casting, generally carry out guiding connection by guide post,
And when producing casting, it is fixed or is demoulded by oil cylinder；The pressurization slot, structure is simple, for increasing the compression mod
The capacity of tool increases the volume of die-casting die chamber；The supercharging device has power source, can be towards under the action of power source
It is pressurized the movement that slot is pressurized and can reset.The pressurized construction of the utility model passes through upper die and lower die, pressurization slot and pressurization
The combined innovation of device, provides that a kind of structure is simple, realize the intracavitary Quick-pressurizing of die-casting die, less or eliminate gas in casting
Bubble, casting quality improve significant die casting pressurized construction.
It is simple to provide a kind of structure by the combined innovation of upper die and lower die, pressurization slot and supercharging device etc. for the utility model
Stablize, cast-internal bubble is few, and quality is high, die casting pressurized construction at low cost.
Combined with Figure 1 and Figure 2, according to one embodiment of the utility model, the supercharging device is made of oil cylinder 6 and connecting rod 7,
The connecting rod 7 passes through lower die 2, and is connected with the bottom of pressurization slot 5, and the output shaft of the oil cylinder 6 is fixedly connected with connecting rod 7.
The high temperature resistant of oil cylinder 6 and high-power characteristic are fully able to meet the technical requirements of production, in the output shaft of oil cylinder 6
Upper setting one and the connecting rod 7 that is connected of pressurization slot 5 avoid output shaft directly and molten metal contacts, the service life of extension oil cylinder 6,
Reduce cost；Meanwhile increasing connecting rod 7, the length of output shaft can be made shorter, reduce the model of oil cylinder 6, in the skill for meeting production
In the case that art requires, further reduce the cost；And in demoulding, oil cylinder 6 resets, and output shaft and connecting rod 7 retract, and reduces pressure
Vacuum degree inside mould cavity 4 improves demoulding efficiency.
In conjunction with Fig. 1, according to one embodiment of the utility model, the diameter of the output shaft is less than the diameter of connecting rod 7.
In the case where rated output power is constant, reducing contact area is to improve the most direct effective method of pressure；
By reducing the diameter of connecting rod 7, so that 7 end of connecting rod and the contact area of pressurization slot 5 become smaller, therefore pressure increases, to die-casting die
Active force in chamber 4 increases, and the bubble inside further less or elimination target casting 3 improves 3 mass of target casting.Into
In the design scheme of one step, connecting rod 7 can be fabricated to multi-step structure, be further reduced the volume of 7 end of connecting rod, improve target
3 mass of casting.
In conjunction with Fig. 2, according to one embodiment of the utility model, the supercharging device further includes fixing sleeve 8, the fixing sleeve
8 one end is socketed with the output shaft and passes through fastening bolt and mutually fixes, and the other end of the fixing sleeve 8 is connected with connecting rod 7.
Fixing sleeve 8 is used for the connection of output shaft and connecting rod 7, and connecting rod 7 can be dismantled, be installed by fastening bolt,
The work such as maintenance and replacement, it is not necessary to replace oil cylinder 6 and connecting rod 7 together, effectively reduce cost.
In conjunction with Fig. 2, according to one embodiment of the utility model, the pressurized construction further includes axis compatible with connecting rod 7
Set 9, described 9 one end of axle sleeve is detachably connected with oil cylinder 6, and the other end and the lower die 2 of axle sleeve 9 are bolted.
Axle sleeve 9 increases oil cylinder 6 at a distance from die casting, increases the heat-dissipating space of oil cylinder 6, extends its service life；And
There is guiding role to connecting rod 7, guarantee the stability of pressurization, improve 3 mass of target casting.
According to one embodiment of the utility model, the oil cylinder 6 is feed cylinder.
In pressurization, feed cylinder makes output shaft that connecting rod 6 be driven slowly to stretch out, and increases gradually inside die-casting die chamber 4
Pressure, the bubble for being further reduced or eliminating inside target casting 3 improve quality.
According to one embodiment of the utility model, the oil cylinder 6 is Numeric hydraulic cylinder.
After the completion of supercharging device debugging, it can determine that the intracavitary pressurization numerical value of die-casting die, digital oil hydraulic cylinder pass through
The pressurization numerical value obtains the length that its output shaft stretches out, and the production process after being allowed to is always maintained at output shaft and stretches out the length
Degree, and Numeric hydraulic cylinder still drives connecting rod 6 slowly flexible, guarantees that same a collection of casting deviation is small, has stable quality.
It need to be noted that: embodiments described above, the description with preceding method embodiment are similar, tools
There is the similar beneficial effect of same embodiment of the method, therefore does not repeat them here.For technology undisclosed in the utility model embodiment
Details please refers to the description of the utility model embodiment of the method and understands, to save length, therefore repeats no more.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include more elements not only include those elements, but also
Including other elements that are not explicitly listed, or further include for this process, method, article or device intrinsic want
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including the element
Process, method, there is also other identical elements in article or device.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (7)
1. a kind of pressurized construction of die casting, including upper mold (1) and lower die (2), which is characterized in that the upper mold (1) and under
Mould (2) is connected, and forms the die-casting die chamber (4) of target casting (3), in at least side of the die-casting die chamber (4), the lower die
(2) it is equipped with the pressurization slot (5) being connected with die-casting die chamber (4), the lower part of the lower die (2) is equipped with and pressurization slot (5) phase
The supercharging device of connection.
2. a kind of pressurized construction of die casting according to claim 1, which is characterized in that the supercharging device is by oil cylinder
(6) and connecting rod (7) composition, the connecting rod (7) pass through lower die (2), and are connected with the bottom of pressurization slot (5), the oil cylinder (6)
Output shaft be fixedly connected with connecting rod (7).
3. a kind of pressurized construction of die casting according to claim 2, which is characterized in that the diameter of the output shaft is small
Diameter in connecting rod (7).
4. a kind of pressurized construction of die casting according to claim 2, which is characterized in that the supercharging device further includes
Fixing sleeve (8), one end of the fixing sleeve (8), which is socketed with the output shaft and passes through fastening bolt, mutually to be fixed, the fixing sleeve
(8) the other end is connected with connecting rod (7).
5. a kind of pressurized construction of die casting according to claim 2, which is characterized in that the pressurized construction further includes
The compatible axle sleeve (9) with connecting rod (7), described axle sleeve (9) one end are detachably connected with oil cylinder (6), the other end of axle sleeve (9) with
Lower die (2) is bolted.
6. a kind of pressurized construction of die casting according to claim 2, which is characterized in that the oil cylinder (6) is feeding
Oil cylinder.
7. a kind of pressurized construction of die casting according to claim 2, which is characterized in that the oil cylinder (6) is number
Hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822129733.1U CN209439417U (en) | 2018-12-19 | 2018-12-19 | A kind of pressurized construction of die casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822129733.1U CN209439417U (en) | 2018-12-19 | 2018-12-19 | A kind of pressurized construction of die casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209439417U true CN209439417U (en) | 2019-09-27 |
Family
ID=68014959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822129733.1U Active CN209439417U (en) | 2018-12-19 | 2018-12-19 | A kind of pressurized construction of die casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209439417U (en) |
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2018
- 2018-12-19 CN CN201822129733.1U patent/CN209439417U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 315800 No. 1, building 1 and building 2, No. 37, guantanghe Road, Daqi, Beilun District, Ningbo City, Zhejiang Province Patentee after: Ningbo Xinlin Mould Technology Co.,Ltd. Address before: 315800 Chunxiao Guanhai Road, Beilun, Ningbo, Zhejiang Patentee before: NINGBO BEILUN XINLIN ELECTROMECHANICAL MOULD CO.,LTD. |
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| CP03 | Change of name, title or address |