CN215746344U - Die casting die with automatic thin mouth of a river that cuts off - Google Patents
Die casting die with automatic thin mouth of a river that cuts off Download PDFInfo
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- CN215746344U CN215746344U CN202122017676.XU CN202122017676U CN215746344U CN 215746344 U CN215746344 U CN 215746344U CN 202122017676 U CN202122017676 U CN 202122017676U CN 215746344 U CN215746344 U CN 215746344U
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Abstract
The utility model discloses a die-casting die with an automatic thin water gap cutting function, which can prolong the service life of the die and improve the production efficiency. The mold comprises a front mold and a rear mold, wherein the front mold and the rear mold are respectively provided with a front mold core and a rear mold core which are matched with each other, a panel is arranged at the front end of the front mold, a sprue bush is arranged in the panel, a water gap flow channel is arranged between the sprue bush and the front mold, a thin water gap cutting mechanism is arranged between the front mold and the panel, the thin water gap cutting mechanism comprises a driving device, a scraper knife fixing block and a scraper knife, the driving device is arranged at the upper end between the front mold and the panel, one end of the scraper knife fixing block is connected with the driving device, the other end of the scraper knife fixing block is connected with the scraper knife, and the scraper knife is positioned right above the water gap flow channel. The utility model is applied to the technical field of moulds.
Description
Technical Field
The utility model relates to a die-casting die, in particular to a die-casting die with an automatic fine water cut-off nozzle.
Background
The die-casting die is a tool for casting metal parts, and is a tool for completing a die-casting process on a special die-casting die forging machine. The basic process of die casting comprises the following steps: the molten metal is cast at low speed or high speed and filled into a cavity of a die, the die is provided with a movable cavity surface, and the molten metal is pressurized and forged along with the cooling process of the molten metal, so that the defects of shrinkage cavity and shrinkage porosity of a blank are eliminated, and the internal structure of the blank reaches broken crystal grains in a forging state; the existing die-casting die adopts the feeding of a thin water gap, the die is generally broken by forcible pulling, but the structure reduces the service life of the die, the die accessories are required to be frequently replaced, the production is influenced, and the production cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of overcoming the defects of the prior art and provides a die-casting die with an automatic thin water gap cutting function, which can prolong the service life of the die and improve the production efficiency.
The technical scheme adopted by the utility model is as follows: the mold comprises a front mold and a rear mold, wherein the front mold and the rear mold are respectively provided with a front mold core and a rear mold core which are matched with each other, a panel is arranged at the front end of the front mold, a sprue bush is arranged in the panel, a water gap flow channel is arranged between the sprue bush and the front mold, a thin water gap cutting mechanism is arranged between the front mold and the panel, the thin water gap cutting mechanism comprises a driving device, a scraper knife fixing block and a scraper knife, the driving device is arranged at the upper end between the front mold and the panel, one end of the scraper knife fixing block is connected with the driving device, the other end of the scraper knife fixing block is connected with the scraper knife, and the scraper knife is positioned right above the water gap flow channel.
Furthermore, the driving device is an oil cylinder, an oil cylinder mounting seat is arranged at the upper end between the front die and the panel, and one end of the oil cylinder mounting seat is fixed on the front die through a bolt.
Furthermore, a cavity is formed in the upper end of the panel, and the scraper knife fixing block and the scraper knife are located inside the cavity.
Furthermore, the sprue channel comprises a main channel and a sub-channel, the main channel is vertically connected with the sub-channel, the sub-channel is located between the front mold and the front mold core, the main channel is located between the panel and the front mold, and the scraper knife is located right above the main channel.
Furthermore, all be provided with the panel push rod that opens and shuts around the panel, the one end that the panel opened and shut the push pedal is connected with outside cylinder one, the other end that the panel opened and shut the push pedal pass behind back mould and the front mould with the panel is connected.
Furthermore, mold opening push rods are arranged on the periphery of the front mold, one end of each mold opening push rod is connected with the external cylinder, and the other end of each mold opening push rod penetrates through the rear mold and then is connected with the front mold.
Furthermore, the rear die is provided with an ejector pin extending into the rear die core.
The utility model has the beneficial effects that: the thin water gap cutting mechanism is additionally arranged between the front die and the panel, after die casting is completed, the panel automatically opens and closes to be separated from the front die, the opening and closing distance is larger than or equal to the thickness of the scraper knife fixing block, then the scraper knife is pushed by the driving device to automatically cut off the water gap, and the cut water gap can fall out from the opening and closing distance.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a cross-sectional view taken along the line A-A in FIG. 2;
FIG. 4 is a cross-sectional view of the spout shut-off mechanism cutting off the spout;
FIG. 5 is a schematic structural view of the thin nozzle cutting mechanism.
Detailed Description
As shown in fig. 1 to 5, in the present embodiment, the present invention includes a front mold 1 and a rear mold 2, wherein the front mold 1 and the rear mold 2 are respectively provided with a front mold core 3 and a rear mold core 4 which are adapted to each other, a panel 5 is arranged at the front end of the front mould 1, a sprue bush 6 is arranged in the panel 5, a water gap flow passage 7 is arranged between the sprue bush 6 and the front mould 1, a thin water gap cutting mechanism 8 is arranged between the front die 1 and the panel 5, the thin water gap cutting mechanism 8 comprises a driving device 81, a scraper knife fixing block 82 and a scraper knife 83, the driving device 81 is installed at the upper end between the front mold 1 and the panel 5, one end of the scraper fixing block 82 is connected with the driving device 81, the other end of the scraper knife fixing block 82 is connected with the scraper knife 83, and the scraper knife 83 is located right above the nozzle runner 7 and attached to the front wall surface of the front mold.
In this embodiment, the driving device 81 is an oil cylinder, an oil cylinder mounting seat 84 is disposed at an upper end between the front mold 1 and the panel 5, and one end of the oil cylinder mounting seat 84 is fixed to the front mold 1 by a bolt, so that the oil cylinder can be fixed to the front mold 1 without movement when the panel 5 is detached.
In this embodiment, thin mouth of water shutdown mechanism 8 still includes two and is fixed in guide rail piece 85 on the front mould 1 wall, the inboard of guide rail piece 8 is equipped with the guide slot, spiller fixed block 82 is located two between the guide rail piece, the both ends of spiller fixed block 82 be equipped with the guide block of guide slot looks adaptation, this design enables cutting off of spiller 83 more smoothly.
In this embodiment, a cavity 51 is formed at the upper end of the panel 5, and the blade fixing block 82 and the blade 83 are both located inside the cavity 51.
In this embodiment, the nozzle flow channel 7 includes a main flow channel 71 and a sub flow channel 72, the main flow channel 71 is vertically connected to the sub flow channel 72, the sub flow channel 72 is located between the front mold 1 and the front mold core 3, the main flow channel 71 is located between the panel 5 and the front mold 1, and the scraper 83 is located right above the main flow channel 71.
In this embodiment, panel 5 all is provided with panel push rod 52 that opens and shuts around, panel 5 opens and shuts the one end of push pedal and is connected with outside cylinder one, the other end of panel 5 opening and shutting the push pedal pass behind back mould 2 and the front mould 1 with panel 5 is connected.
In this embodiment, the periphery of the front mold 1 is provided with mold opening push rods, one end of each mold opening push rod is connected with the external cylinder two, and the other end of each mold opening push rod penetrates through the rear mold 2 and then is connected with the rear mold 1.
In this embodiment, the rear mold 2 is provided with a thimble 9 extending into the rear mold core 4.
In this embodiment, the working process of the present invention is as follows: after the die-casting product is formed, the panel 5 is pushed away from the front mold 1 by the panel opening and closing push rod 52 driven by the external cylinder, then the oil cylinder pushes the scraper knife fixing block 82 to move between the two guide rail blocks, so that the scraper knife 83 is driven to move downwards to cut off the main flow passage 71, then the oil cylinder resets, meanwhile, the external cylinder drives the mold opening push rod to push the front mold 1 away from the rear mold 2, and finally, the ejector pin 9 ejects the product.
The utility model is applied to the technical field of moulds.
While the embodiments of the present invention have been described in terms of practical embodiments, they are not to be construed as limiting the meaning of the present invention, and modifications of the embodiments and combinations with other embodiments will be apparent to those skilled in the art in light of the present description.
Claims (7)
1. The utility model provides a die casting die with automatic cutout thin mouth of a river, includes front mould (1) and back mould (2), front mould (1) with back mould (2) are provided with front mould benevolence (3) and back mould benevolence (4) of mutual adaptation respectively, the front end of front mould (1) is provided with panel (5), be provided with runner cover (6) in panel (5), runner cover (6) with be provided with mouth of a river runner (7), its characterized in that between front mould (1) people: front mould (1) with be provided with thin mouth of a river shutdown mechanism (8) between panel (5), thin mouth of a river shutdown mechanism (8) include drive arrangement (81), spiller fixed block (82) and spiller (83), drive arrangement (81) install in front mould (1) with upper end between panel (5), the one end of spiller fixed block (82) with drive arrangement (81) are connected, the other end of spiller fixed block (82) with spiller (83) are connected, spiller (83) are located directly over mouth of a river runner (7).
2. A die casting mold with an automatic thin water cutoff according to claim 1, characterized in that: the driving device (81) is an oil cylinder, an oil cylinder mounting seat (84) is arranged at the upper end between the front die (1) and the panel (5), and one end of the oil cylinder mounting seat (84) is fixed on the front die (1) through a bolt.
3. A die casting mold with an automatic thin water cutoff according to claim 2, characterized in that: the upper end of the panel (5) is provided with a cavity (51), and the scraper knife fixing block (82) and the scraper knife (83) are both positioned in the cavity (51).
4. A die casting mold with an automatic thin water cutoff according to claim 1, characterized in that: the sprue runner (7) comprises a main runner (71) and a sub-runner (72), the main runner (71) is vertically connected with the sub-runner (72), the sub-runner (72) is located between the front mold (1) and the front mold core (3), the main runner (71) is located between the panel (5) and the front mold (1), and the scraper knife (83) is located right above the main runner (71).
5. A die casting mold with an automatic thin water cutoff according to claim 1, characterized in that: all be provided with panel push rod (52) that opens and shuts around panel (5), panel (5) open and shut the one end of push pedal and be connected with outside cylinder one, panel (5) open and shut the other end of push pedal pass behind back mould (2) and front mould (1) with panel (5) are connected.
6. A die casting mold with an automatic thin water cutoff according to claim 1, characterized in that: the die sinking mechanism is characterized in that die sinking push rods are arranged on the periphery of the front die (1), one end of each die sinking push rod is connected with the external cylinder, and the other end of each die sinking push rod penetrates through the rear die (2) and then is connected with the front die (1).
7. A die casting mold with an automatic thin water cutoff according to claim 1, characterized in that: the rear die (2) is provided with an ejector pin (9) extending into the rear die core (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122017676.XU CN215746344U (en) | 2021-08-25 | 2021-08-25 | Die casting die with automatic thin mouth of a river that cuts off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122017676.XU CN215746344U (en) | 2021-08-25 | 2021-08-25 | Die casting die with automatic thin mouth of a river that cuts off |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215746344U true CN215746344U (en) | 2022-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122017676.XU Active CN215746344U (en) | 2021-08-25 | 2021-08-25 | Die casting die with automatic thin mouth of a river that cuts off |
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| CN (1) | CN215746344U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116441505A (en) * | 2023-06-15 | 2023-07-18 | 广东启新模具有限公司 | Automatic breaking mechanism for three-plate die casting mold gate |
-
2021
- 2021-08-25 CN CN202122017676.XU patent/CN215746344U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116441505A (en) * | 2023-06-15 | 2023-07-18 | 广东启新模具有限公司 | Automatic breaking mechanism for three-plate die casting mold gate |
| CN116441505B (en) * | 2023-06-15 | 2023-08-18 | 广东启新模具有限公司 | Automatic breaking mechanism for three-plate die casting mold gate |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Haisheng Inventor after: Lu Shaochun Inventor after: Lu Han Inventor before: Lu Shaochun Inventor before: Lu Han |