CN219900187U - Vacuum die casting die - Google Patents
Vacuum die casting die Download PDFInfo
- Publication number
- CN219900187U CN219900187U CN202321164599.3U CN202321164599U CN219900187U CN 219900187 U CN219900187 U CN 219900187U CN 202321164599 U CN202321164599 U CN 202321164599U CN 219900187 U CN219900187 U CN 219900187U
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- CN
- China
- Prior art keywords
- die
- mould board
- ventilation
- wave plate
- movable mould
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000004512 die casting Methods 0.000 title claims abstract description 25
- 238000009423 ventilation Methods 0.000 claims abstract description 42
- 150000001875 compounds Chemical class 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000002184 metal Substances 0.000 description 18
- 238000005266 casting Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 210000003464 cuspid Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to the technical field of die casting equipment, in particular to a vacuum die casting die. Including the movable mould board that is provided with the movable mould core and the fixed mould board that is provided with the fixed mould core, both have formed the die cavity after the compound die, the downside of fixed mould core is provided with the sprue, one side that the sprue is close to the fixed mould core is provided with the subchannel, the upper and lower side of fixed mould core all is provided with the second ventilation groove, the second ventilation groove and the top intercommunication of die cavity of below communicate with the subchannel, be provided with two first ventilation grooves with two second ventilation grooves intercommunication respectively on the movable mould board, be provided with first wave plate and second wave plate on movable mould board and the fixed mould board respectively, form tortuous clearance between first wave plate and the second wave plate after the compound die, one side of movable mould board is provided with the gas vent with this clearance thickness minimum department intercommunication, be provided with the sealing washer that plays sealed effect on the fixed mould board. The utility model does not need to arrange a vacuum valve.
Description
Technical Field
The utility model relates to the technical field of die casting equipment, in particular to a vacuum die casting die.
Background
In the die casting, molten metal is injected into a cavity of a die, and the molten metal is solidified and molded under pressure to obtain a casting, so that a vacuum die casting technology is developed in order to prevent air holes from being generated in the casting due to air in the cavity being mixed with the molten metal due to insufficient discharge. In the prior art, a vacuum valve is generally arranged in a vacuumizing channel, and the vacuum valve is closed before molten metal reaches the vacuum valve, so that the molten metal can be prevented from entering the vacuum valve and vacuumizing equipment. But the vacuum valve has a complex structure and high manufacturing cost.
Disclosure of Invention
The utility model aims to solve the technical problems, and provides a vacuum die casting die without a vacuum valve.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a vacuum die casting die, includes the movable mould board that is provided with the movable mould core and the fixed mould board that is provided with the fixed mould core, after the compound die movable mould core and fixed mould core have formed the die cavity, the downside of fixed mould core is provided with the sprue, one side that the sprue is close to the fixed mould core is provided with the subchannel that feeds through the die cavity, the upper and lower side of fixed mould core all is provided with the second ventilation groove, and wherein the second ventilation groove of below communicates with the top of shunt, the second ventilation groove of top and die cavity intercommunication, be provided with two first ventilation grooves that communicate with two second ventilation grooves respectively on the movable mould board, be provided with first wave plate and second wave plate on movable mould board respectively, form crooked clearance between first wave plate and the second wave plate after the compound die, first ventilation groove and this clearance intercommunication and this clearance are along with the further its thickness is less the more, one side of movable mould board is provided with the gas vent hole that communicates with this clearance thickness minimum department, be provided with sealed effect on the fixed mould board.
Further optimize this technical scheme, be provided with the reposition of redundant personnel awl that can insert the sprue on the movable mould board, the reposition of redundant personnel awl outside is provided with first boss, the second recess has been formed between the circumference of reposition of redundant personnel awl and the first boss, be provided with on the fixed mould board with first boss matched with second concave station, be provided with in the second concave station with second recess matched with second boss.
Further optimize this technical scheme, still be provided with first recess on the movable mould board, first recess and die cavity intercommunication just are located one side of die cavity, and the reposition of redundant personnel way is through first recess and die cavity intercommunication after the compound die.
Further optimize this technical scheme, be provided with first concave station on the movable mould board in one side that first wave board kept away from first ventilation groove, be provided with the air vent with bleed hole intercommunication on the first concave station.
Further optimize this technical scheme, cover half core top is provided with a plurality of expansion grooves, and the upper portion in expansion groove communicates with the second ventilation groove of top, one side in expansion groove is provided with the intercommunication mouth with the die cavity intercommunication.
Further optimizing this technical scheme, the communication port is as the nearer its cross-sectional area of die cavity is, the less.
Further optimize this technical scheme, the one end that first wave board is close to first ventilation groove is provided with the division board, the division board is located between two first ventilation grooves.
Compared with the prior art, the utility model has the following advantages: 1. the molten metal can solidify in the gap between the two wave plates, so that a vacuum valve is not required to be arranged, and the cost is saved; 2. the expansion tank has larger cross section area, a certain amount of molten metal can be stored in the expansion tank, the flow speed of the molten metal in the expansion tank is slower, and the primary cooling effect is achieved; 3. one end of the first wave plate is provided with a separation plate, and molten metal entering a gap between the two wave plates from the first ventilation groove at the lower part can not rush to the upper part of the gap and solidify, so that the continuous vacuumizing through the first ventilation groove at the upper part can not be hindered.
Drawings
Fig. 1 is a schematic structural view of a movable die plate.
Fig. 2 is a schematic structural view of the stationary platen.
Fig. 3 is an enlarged view of fig. 2 at i.
Fig. 4 is a cross-sectional view of the present vacuum die casting mold.
In the figure: 1. a movable template; 11. a movable mold core; 12. a first groove; 13. a first vent groove; 14. a first wave plate; 15. a vent hole; 16. an air suction hole; 17. a partition plate; 18. a split cone; 19. a first boss; 2. a stationary mold plate; 21. a mold core is fixed; 22. a sub-runner; 23. a second vent groove; 24. a second wave plate; 25. a main flow passage; 26. a seal ring; 27. an expansion tank; 28. a communication port; 29. and a second concave stage.
Detailed Description
The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.
The specific embodiment is as follows: referring to fig. 1-4, a vacuum die casting mold comprises a movable mold plate 1 provided with a movable mold core 11 and a fixed mold plate 2 provided with a fixed mold core 21, wherein after the mold is closed, the movable mold core 11 and the fixed mold core 21 form a cavity for molding a casting, the mold is suitable for a horizontal die casting machine, the movable mold plate 1 moves horizontally, and the movable mold plate 1 and the fixed mold plate 2 are in a vertical state. The lower side of the fixed mold core 21 is provided with a main runner 25, one side of the main runner 25, which is close to the fixed mold core 21, is provided with a shunt 22 communicated with a cavity, the upper and lower sides of the fixed mold core 21 are both provided with a second ventilation groove 23, wherein the lower second ventilation groove 23 is communicated with the shunt 22, the upper second ventilation groove 23 is communicated with the top of the cavity, the movable mold plate 1 is provided with two first ventilation grooves 13 which are respectively communicated with the two second ventilation grooves 23, the movable mold plate 1 and the fixed mold plate 2 are respectively provided with a first wave plate 14 and a second wave plate 24, a zigzag gap is formed between the first wave plate 14 and the second wave plate 24 like a canine teeth staggered gap after the mold is closed, the first ventilation groove 13 is communicated with the gap, the thickness of the gap is smaller along with the distance from the first ventilation groove 13, one side of the movable mold plate 1 is provided with an air hole 16 which is communicated with the minimum gap thickness, and the movable mold plate 2 or the movable mold plate 1 is provided with a sealing ring 26 which plays a sealing role.
Be provided with the reposition of redundant personnel awl 18 that can insert sprue 25 on the movable mould board 1, the reposition of redundant personnel awl 18 outside is provided with first boss 19, the second recess has been formed between the circumference of reposition of redundant personnel awl 18 and first boss 19, be provided with on the fixed mould board 2 with first boss 19 matched with second concave station 29, be provided with in the second concave station 29 with second recess matched with second boss, this kind of structure is difficult for leaking liquid, and the molten metal is difficult to get into the gap between movable mould board 1 and the fixed mould board 2 promptly.
The movable mould plate 1 is further provided with a first groove 12, the first groove 12 is communicated with the cavity and is located on one side of the cavity, the split runner 22 is communicated with the cavity through the first groove 12 after mould closing, at the moment, the split runner 22 is communicated with the side face of the cavity, and the pouring gate is easy to remove after die casting is completed.
Specifically, a first concave is disposed on the movable mold plate 1 at a side of the first wave plate 14 away from the first ventilation slot 13, a ventilation hole 15 communicating with the air suction hole 16 is disposed on the first concave, and the ventilation hole 15 communicates with a gap between the first wave plate 14 and the second wave plate 24.
Specifically, a plurality of expansion grooves 27 are arranged above the fixed mold core 21, the upper parts of the expansion grooves 27 are communicated with the second ventilation grooves 23 above, and a communication port 28 communicated with the mold cavity is arranged on one side of the expansion grooves 27. The expansion tank 27 has a larger cross-sectional area, and a certain amount of molten metal can be stored in the expansion tank to perform a primary cooling function, and the primarily cooled molten metal enters the second ventilation tank 23 again. In die casting, the molten metal gradually rises from the bottom to the top of the expansion tank 27 under the action of gravity and then enters the second vent tank 23.
The communication port 28 has a smaller cross-sectional area, mainly a smaller thickness, as it is closer to the cavity, and the flash formed therein after die casting is easy to remove.
The first wave plate 14 is provided with a division plate 17 near one end of the first ventilation grooves 13, the division plate 17 is located between the two first ventilation grooves 13, at this time, the second wave plate 24 is provided with a concave table for accommodating the division plate 17, and no gap exists between the surface of the division plate 17 and the fixed die plate 2. The situation that the molten metal entering the gap between the two wave plates from the lower first vent groove 13 is prevented from rushing to the upper part of the gap to prevent the continuous vacuumizing through the upper first vent groove 13 occurs.
When the die casting device is used, the air suction holes 16 are connected with the vacuum-pumping device through pipelines, the vacuum-pumping device is always in an open state in the die casting process, most of air in the die cavity is sequentially pumped out through the second air vent grooves 23, the first air vent grooves 13, gaps between the two wavy plates, the air vent holes 15 and the air suction holes 16, molten metal rises after entering the bottom of the die cavity from the main flow channels 25 and the shunt channels 22, meanwhile, the molten metal also sequentially enters the gaps between the two wavy plates through the second air vent grooves 23 and the first air vent grooves 13 below, and the molten metal is solidified after reaching the air vent holes 15 due to the fact that the thickness of the gaps is smaller and smaller, and cannot enter the air suction holes 16 and the vacuum-pumping device, and after the die cavity is filled up, the molten metal is solidified after entering the gaps between the two wavy plates through the second air vent grooves 23 and the first air vent grooves 13 above.
It is to be understood that the above-described embodiments of the present utility model are merely illustrative of or explanation of the principles of the present utility model and are in no way limiting of the utility model. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model should be included in the scope of the present utility model. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.
Claims (7)
1. The utility model provides a vacuum die casting die, includes movable mould board (1) and fixed mould board (2) that are provided with movable mould core (11) and are provided with fixed mould core (21), and movable mould core (11) and fixed mould core (21) have formed die cavity, its characterized in that after the compound die: the lower side of cover half core (21) is provided with sprue (25), sprue (25) are close to one side of cover half core (21) and are provided with branch runner (22) of intercommunication die cavity, the upper and lower side of cover half core (21) all is provided with second ventilation groove (23), and wherein second ventilation groove (23) and branch runner (22) intercommunication below, second ventilation groove (23) and the top intercommunication of die cavity above, be provided with two first ventilation grooves (13) with two second ventilation grooves (23) intercommunication respectively on movable mould board (1), be provided with first wave plate (14) and second wave plate (24) on movable mould board (1) and the cover half board (2) respectively, form tortuous clearance between first wave plate (14) and the second wave plate (24) after the compound die, first ventilation groove (13) and this clearance intercommunication and this clearance are along with apart from first ventilation groove (13) its thickness is little, one side of movable mould board (1) is provided with first ventilation groove (13) with minimum thickness intercommunication, movable mould board (1) and sealing washer (2) are provided with between the sealed clearance (16) and the movable mould board (2).
2. A vacuum die casting mold according to claim 1, wherein: be provided with on movable mould board (1) can insert reposition of redundant personnel awl (18) of sprue (25), the reposition of redundant personnel awl (18) outside is provided with first boss (19), the second recess has been formed around reposition of redundant personnel awl (18) and between first boss (19), be provided with on fixed mould board (2) with first boss (19) matched with second concave station (29), be provided with in second concave station (29) with second recess matched with second boss.
3. A vacuum die casting mold according to claim 1, wherein: the movable mold plate (1) is further provided with a first groove (12), the first groove (12) is communicated with the cavity and is located on one side of the cavity, and the split runner (22) is communicated with the cavity through the first groove (12) after mold closing.
4. A vacuum die casting mold according to claim 1, wherein: the movable template (1) is provided with a first concave table on one side, far away from the first ventilation groove (13), of the first wave plate (14), and the first concave table is provided with a vent hole (15) communicated with the air suction hole (16).
5. A vacuum die casting mold according to claim 1, wherein: a plurality of expansion grooves (27) are formed in the upper portion of the fixed die core (21), the upper portions of the expansion grooves (27) are communicated with the second ventilation grooves (23) in the upper portion, and a communication port (28) communicated with the die cavity is formed in one side of the expansion grooves (27).
6. A vacuum die casting mold according to claim 5, wherein: the cross-sectional area of the communication port (28) is smaller as the communication port is closer to the cavity.
7. A vacuum die casting die according to any one of claims 1-6, characterized in that: one end of the first wave plate (14) close to the first ventilation grooves (13) is provided with a separation plate (17), and the separation plate (17) is positioned between the two first ventilation grooves (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321164599.3U CN219900187U (en) | 2023-05-16 | 2023-05-16 | Vacuum die casting die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321164599.3U CN219900187U (en) | 2023-05-16 | 2023-05-16 | Vacuum die casting die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219900187U true CN219900187U (en) | 2023-10-27 |
Family
ID=88463050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321164599.3U Active CN219900187U (en) | 2023-05-16 | 2023-05-16 | Vacuum die casting die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219900187U (en) |
-
2023
- 2023-05-16 CN CN202321164599.3U patent/CN219900187U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A vacuum die-casting mold Granted publication date: 20231027 Pledgee: China Postal Savings Bank Co.,Ltd. Yutian County Branch Pledgor: YUTIAN COUNTY HUAXING DIE CASTING Co.,Ltd. Registration number: Y2024980015352 |