CN210702459U - Die core extrusion device of die casting die - Google Patents
Die core extrusion device of die casting die Download PDFInfo
- Publication number
- CN210702459U CN210702459U CN201921411684.9U CN201921411684U CN210702459U CN 210702459 U CN210702459 U CN 210702459U CN 201921411684 U CN201921411684 U CN 201921411684U CN 210702459 U CN210702459 U CN 210702459U
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- die
- extrusion
- square
- extrusion pin
- mold core
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Abstract
The utility model relates to a die core extrusion device of die casting die, including the extrusion round pin sleeve pipe of being connected with the mold core lateral surface, the end connection extrusion round pin of extrusion round pin sleeve pipe, the extrusion round pin passes through quick-connect mechanism and connects the hydro-cylinder, this extrusion device controls the mold core through the hydro-cylinder and removes in the die cavity, the face of mold core in the die cavity is the movable die cavity face, when the press drives the mould compound die, the hydro-cylinder drives the mold core and extrudes the die cavity, the mold core forges to the blank pressurization along with the cooling process of molten metal, both eliminate the shrinkage cavity shrinkage porosity defect of blank, also make the internal organization of blank reach the broken crystalline grain of forging the attitude, the comprehensive mechanical properties of blank obtains; the device has the technical innovation point that the oil cylinder is connected to the outer side of the mold core quickly, so that the defects of shrinkage cavity and shrinkage porosity of a blank are overcome.
Description
Technical Field
The utility model belongs to the technical field of the die casting die and specifically relates to a die core extrusion device of die casting die.
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: molten metal is cast at low speed or high speed and filled into a cavity of a die, but if the cavity is not pressurized, the die casting in the cavity has the problems of shrinkage and sand holes, the cavity of the existing die casting dies is only provided with vent holes but is not provided with a movable cavity surface, the space of the cavity cannot be effectively controlled to avoid the sand holes of die casting blanks, and the die casting die is improved.
Disclosure of Invention
The utility model aims at providing a die casting die's mold core extrusion device in order to solve the defect that prior art exists.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
a die core extrusion device of a die casting die comprises an extrusion pin sleeve connected with the outer side surface of a die core, the end part of the extrusion pin sleeve is connected with an extrusion pin, the extrusion pin is connected with a power component through a quick connection mechanism, the quick connection mechanism comprises a square fixed sleeve fixed at the output end of the power component, a square insertion hole is formed in the square fixed sleeve, a square installation surface is formed in the outer side of the extrusion pin, the extrusion pin extends into the square fixed sleeve, and the square installation surface is matched with the inner wall of the square insertion hole;
the periphery of the square fixing sleeve is provided with a plurality of thread fixing holes communicated with the square insertion holes, the square mounting surface of the extrusion pin is provided with a plurality of thread positioning holes, and the end parts of screws inserted into the thread fixing holes are fixedly connected with the thread positioning holes.
Furthermore, the outer side surface of the mold core is provided with a connecting hole, the end part of the extrusion pin sleeve is inserted into the connecting hole, and a positioning bolt on the outer side of the mold core extends into the connecting hole to be fixedly connected with a threaded hole on the extrusion pin sleeve.
Furthermore, the mold core is positioned in a cavity of the mold, and the extrusion pin sleeve is parallel to the moving direction of the mold core in the cavity.
Further, the power component is an oil cylinder.
Furthermore, the extrusion pin sleeve and the extrusion pin are integrally formed, and the cross section of the extrusion pin is hexagonal.
The utility model has the advantages that: the extrusion device controls the die core to move in the die cavity through the oil cylinder, the surface of the die core in the die cavity is a movable die cavity surface, the oil cylinder drives the die core to extrude the die cavity while the press drives the die to close the die, the die core presses and forges a blank along with the cooling process of molten metal, the defects of shrinkage cavity and shrinkage porosity of the blank are eliminated, the internal structure of the blank reaches broken crystal grains in a forging state, and the comprehensive mechanical property of the blank is remarkably improved; the device has the technical innovation point that the oil cylinder is quickly connected to the outer side of the mold core, so that the defects of shrinkage cavity and shrinkage porosity of a blank are overcome;
in addition, in order to facilitate quick connection of the oil cylinder, the outer side surface of the mold core is connected with an extrusion pin sleeve, the end part of the extrusion pin sleeve is connected with an extrusion pin, the extrusion pin is connected with the oil cylinder through a quick connection mechanism, the quick connection mechanism comprises a square fixed sleeve fixed at the output end of the power component, a square jack is arranged on the square fixed sleeve, a square mounting surface is arranged on the outer side of the extrusion pin, the extrusion pin extends into the square fixed sleeve during installation, and the square mounting surface is matched with the inner wall of the square jack; the periphery of the square fixed sleeve is provided with a plurality of thread fixing holes communicated with the square insertion holes, the square mounting surface of the extrusion pin is provided with a plurality of thread positioning holes, and the end parts of the screws inserted into the thread fixing holes are fixedly connected with the thread positioning holes, so that the quick connection of the extrusion pin sleeve and the oil cylinder can be completed; the outer side surface of the mold core is provided with a connecting hole, the end part of the extrusion pin sleeve is inserted into the connecting hole, and a positioning bolt on the outer side of the mold core extends into the connecting hole to be fixedly connected with a threaded hole on the extrusion pin sleeve, so that the quick connection of the extrusion pin sleeve and the mold core can be completed; the extrusion pin sleeve is conveniently connected with the mold core and the oil cylinder and is convenient to disassemble, and the normal use of the mold core cannot be influenced.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an explosion diagram of the present invention.
Detailed Description
As shown in fig. 1 and 2, a die core extrusion device of a die casting die comprises an extrusion pin sleeve 2 connected with the outer side surface of a die core 1, wherein the end part of the extrusion pin sleeve 2 is connected with an extrusion pin 3, the extrusion pin 3 is connected with a power part through a quick connection mechanism, the power part is preferably an oil cylinder 4, the quick connection mechanism comprises a square fixing sleeve 5 fixed at the output end of the power part, the square fixing sleeve 5 is provided with a square insertion hole, the outer side of the extrusion pin 3 is provided with a square installation surface, the extrusion pin 3 extends into the square fixing sleeve 5, and the square installation surface is matched with the inner wall of the square insertion hole;
the peripheral surface of the square fixing sleeve 5 is provided with a plurality of thread fixing holes 6 communicated with the square insertion holes, the square mounting surface of the extrusion pin 3 is provided with a plurality of thread positioning holes 7, and the end parts of screws 8 inserted into the thread fixing holes 6 are fixedly connected with the thread positioning holes 7.
Furthermore, the outer side surface of the mold core 1 is provided with a connecting hole 9, the end part of the extrusion pin sleeve 2 is inserted into the connecting hole 9, and a positioning bolt 10 on the outer side of the mold core 1 extends into the connecting hole 9 to be fixedly connected with a threaded hole on the extrusion pin sleeve 2.
In addition, the mold core 1 is positioned in a cavity of the mold, and the extrusion pin sleeve 2 is parallel to the moving direction of the mold core 1 in the cavity. The extrusion pin sleeve 2 and the extrusion pin 3 are integrally formed, and the section of the extrusion pin 3 is hexagonal.
The extrusion device controls the die core 1 to move in the die cavity through the oil cylinder 4, the surface of the die core 1 in the die cavity is a movable die cavity surface, the oil cylinder 4 drives the die core 1 to extrude the die cavity while the press drives the die to close the die, the die core 1 presses and forges a blank along with the cooling process of molten metal, the shrinkage cavity and shrinkage porosity defect of the blank is eliminated, the internal structure of the blank reaches broken crystal grains in a forging state, and the comprehensive mechanical property of the blank is obviously improved; the device has the technical innovation point that the oil cylinder 4 is connected to the outer side of the mold core 1 quickly, so that the defects of shrinkage cavity and shrinkage porosity of a blank are overcome;
in addition, in order to facilitate quick connection of the oil cylinder 4, the outer side surface of the mold core 1 is connected with an extrusion pin sleeve 2, the end part of the extrusion pin sleeve 2 is connected with an extrusion pin 3, the extrusion pin 3 is connected with a power component through a quick connection mechanism, the power component is preferably the oil cylinder 4, the quick connection mechanism comprises a square fixing sleeve 5 fixed at the output end of the power component, the square fixing sleeve 5 is provided with a square insertion hole, the outer side of the extrusion pin 3 is provided with a square mounting surface, during mounting, the extrusion pin 3 extends into the square fixing sleeve 5, and the square mounting surface is matched with the; the periphery of the square fixing sleeve 5 is provided with a plurality of thread fixing holes 6 communicated with the square insertion holes, the square mounting surface of the extrusion pin 3 is provided with a plurality of thread positioning holes 7, and the end parts of screws 8 inserted into the thread fixing holes 6 are fixedly connected with the thread positioning holes 7, so that the quick connection of the extrusion pin sleeve 2 and the oil cylinder 4 can be completed; the outer side surface of the mold core 1 is provided with a connecting hole 9, the end part of the extrusion pin sleeve 2 is inserted into the connecting hole 9, and a positioning bolt 10 on the outer side of the mold core 1 extends into the connecting hole 9 to be fixedly connected with a threaded hole on the extrusion pin sleeve 2, so that the quick connection of the extrusion pin sleeve 2 and the mold core 1 can be completed; the extrusion pin sleeve 2 is conveniently connected with the mold core 1 and the oil cylinder 4 and is convenient to disassemble, and the normal use of the mold core 1 cannot be influenced.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A die core extrusion device of a die casting die is characterized by comprising an extrusion pin sleeve connected with the outer side surface of a die core, wherein the end part of the extrusion pin sleeve is connected with an extrusion pin, the extrusion pin is connected with a power component through a quick connection mechanism, the quick connection mechanism comprises a square fixing sleeve fixed at the output end of the power component, the square fixing sleeve is provided with a square insertion hole, the outer side of the extrusion pin is provided with a square mounting surface, the extrusion pin extends into the square fixing sleeve, and the square mounting surface is matched with the inner wall of the square insertion hole;
the periphery of the square fixing sleeve is provided with a plurality of thread fixing holes communicated with the square insertion holes, the square mounting surface of the extrusion pin is provided with a plurality of thread positioning holes, and the end parts of screws inserted into the thread fixing holes are fixedly connected with the thread positioning holes.
2. The die core extrusion device of a die casting die as claimed in claim 1, wherein the outer side surface of the die core is provided with a connection hole into which the end of the extrusion pin sleeve is inserted, and a positioning bolt on the outer side of the die core is inserted into the connection hole to be fixedly connected with a threaded hole on the extrusion pin sleeve.
3. The die core extruding apparatus of a die casting die as claimed in claim 1, wherein the die core is located in a cavity of the die, and the extruding pin bushing is parallel to a moving direction of the die core in the cavity.
4. The die core extruding apparatus of a die casting die as claimed in claim 1, wherein said power member is an oil cylinder.
5. The die core extruding apparatus of a die casting die as claimed in claim 1, wherein the extruding pin sleeve is formed integrally with the extruding pin, and the extruding pin has a hexagonal cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921411684.9U CN210702459U (en) | 2019-08-28 | 2019-08-28 | Die core extrusion device of die casting die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921411684.9U CN210702459U (en) | 2019-08-28 | 2019-08-28 | Die core extrusion device of die casting die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210702459U true CN210702459U (en) | 2020-06-09 |
Family
ID=70965810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921411684.9U Expired - Fee Related CN210702459U (en) | 2019-08-28 | 2019-08-28 | Die core extrusion device of die casting die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210702459U (en) |
-
2019
- 2019-08-28 CN CN201921411684.9U patent/CN210702459U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200609 Termination date: 20210828 |
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| CF01 | Termination of patent right due to non-payment of annual fee |