CN216828579U - Die casting die for local extrusion - Google Patents
Die casting die for local extrusion Download PDFInfo
- Publication number
- CN216828579U CN216828579U CN202122955759.3U CN202122955759U CN216828579U CN 216828579 U CN216828579 U CN 216828579U CN 202122955759 U CN202122955759 U CN 202122955759U CN 216828579 U CN216828579 U CN 216828579U
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- China
- Prior art keywords
- die
- pressing plate
- connecting rod
- extrusion
- fixedly connected
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- 238000004512 die casting Methods 0.000 title claims abstract description 30
- 238000001125 extrusion Methods 0.000 title claims abstract description 29
- 238000003825 pressing Methods 0.000 claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims description 16
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 230000003014 reinforcing Effects 0.000 claims description 3
- 239000000155 melt Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Abstract
The utility model relates to the technical field of die casting molds, in particular to a die casting mold for local extrusion, which comprises a mold main body, wherein one side of the mold main body is fixedly provided with mold feet, the top of the mold main body is fixedly provided with an upper pressing plate, the bottom of the mold main body is fixedly provided with a lower pressing plate, the top of the upper pressing plate is fixedly provided with an oil cylinder upper support, the bottom of the lower pressing plate is fixedly provided with an oil cylinder lower support, the edge of the top of the upper pressing plate at one side of the oil cylinder upper support is fixedly provided with a fixed mold water tower, and the top of the upper pressing plate at one side of the fixed mold water tower is fixedly provided with a hoisting ring support. The utility model extrudes the melt in a local extrusion mode, ensures that the melt does not have defects, can extrude and discharge gas in the melt through the exhaust holes on the pressing plate, and can effectively buffer the extrusion acting force by installing the buffer mechanism on the inner side of the pressing plate, thereby avoiding the situations of melt shape damage and the like caused by overlarge extrusion force.
Description
Technical Field
The utility model relates to the technical field of die-casting molds, in particular to a die-casting mold for local extrusion.
Background
The die-casting die is a tool for casting metal parts, and a tool for completing a die-casting process on a special die-casting die forging machine, and the basic process comprises the following steps: the molten metal is cast at low speed or high speed and filled into the cavity of the mold, and the mold has movable cavity surface, which is pressed and forged with the cooling process of the molten metal to eliminate the shrinkage cavity and porosity defect of the blank.
However, the existing common die-casting die still has a few defects in the actual use process: firstly, the wall thickness of a product is always large in the process of die-casting and forming of a traditional die-casting die, and shrinkage cavities and defects are easy to occur at some positions, so that a die-casting piece is easy to damage; secondly, a common die-casting die with an extrusion effect does not have a buffer mechanism during actual die-casting extrusion, so that a die-casting piece is often damaged due to excessive extrusion force during extrusion.
SUMMERY OF THE UTILITY MODEL
The utility model provides a die-casting die for local extrusion, which comprises a die main body, wherein die legs are fixedly arranged on one side of the die main body, an upper pressing plate is fixedly arranged on the top of the die main body, a lower pressing plate is fixedly arranged on the bottom of the die main body, an oil cylinder upper support is fixedly arranged on the top of the upper pressing plate, an oil cylinder lower support is fixedly arranged on the bottom of the lower pressing plate, a fixed die water tower is fixedly arranged on the edge of the top of the upper pressing plate on one side of the oil cylinder upper support, and a hanging ring support is fixedly arranged on the top of the upper pressing plate on one side of the fixed die water tower.
Preferably, the upper pressing plate and the lower pressing plate are the same in size and are oppositely arranged.
Preferably, six lifting ring supports are arranged, and lifting ring parts are welded to the tops of the six lifting ring supports.
Preferably, the mounting groove has all been seted up to the inside of top board and holding down plate, the inside fixed mounting of mounting groove has the installing support, the bottom fixed mounting of installing support has the dome installing component, the one end swing joint of dome installing component has the press platen, the surface of press platen is provided with evenly distributed's exhaust hole, the intermediate position department of installing support rotates installs pivot part, the periphery at both ends is the horizontal connecting rod one of fixedly connected with and horizontal connecting rod two respectively about the pivot part, the one end of horizontal connecting rod one and horizontal connecting rod two is the vertical connecting rod of fixedly connected with all, the bottom fixedly connected with buffer board one of vertical connecting rod, the bottom fixedly connected with spring assembly of buffer board one, spring assembly's other end fixedly connected with buffer board two.
Preferably, the center of the top of the pressing plate is provided with an arc groove matched with the ball top mounting part.
Preferably, a reinforcing rod is fixedly connected between the first transverse connecting rod and the second transverse connecting rod.
Preferably, the side surfaces of the upper pressure plate and the lower pressure plate are provided with heat dissipation holes.
Compared with the prior art, the technical scheme of the utility model has the following beneficial technical effects:
the upper pressing plate and the lower pressing plate are driven by the oil cylinder to extrude the molten liquid, so that when the wall thickness of a product is large and shrinkage holes and air holes are easy to appear at some positions, the positions are extruded in a local extrusion mode, the defect is avoided, and the extrusion position is fixed in advance according to the shape of the product.
The gas in the molten liquid can be extruded and discharged through the exhaust holes in the pressing plate, and the buffer mechanism is arranged on the inner side of the pressing plate, so that the extrusion acting force can be effectively buffered, and the conditions that the shape of the molten liquid is damaged due to overlarge extrusion force are avoided.
Drawings
FIG. 1 is a schematic structural view of a die casting mold for partial extrusion according to the present invention;
FIG. 2 is a schematic view of the mold leg structure of the present invention;
FIG. 3 is a schematic view of the structure of the upper platen according to the present invention;
fig. 4 is a cross-sectional view of the upper platen of the present invention.
Reference numerals are as follows: 1. a mold body; 2. a mould leg; 3. an upper pressure plate; 4. a lower pressing plate; 5. an oil cylinder upper support; 6. a lower support of the oil cylinder; 7. fixing a water tower; 8. a suspension ring support; 9. a bail member; 10. mounting grooves; 11. mounting a bracket; 12. a dome mounting member; 13. a pressing plate; 14. an exhaust hole; 15. a spindle member; 16. a transverse connecting rod I; 17. a transverse connecting rod II; 18. a vertical connecting rod; 19. a first buffer plate; 20. a spring assembly; 21. a second buffer plate; 22. and (4) heat dissipation holes.
Detailed Description
Example one
As shown in fig. 1-2, the die casting die for local extrusion provided by the utility model comprises a die main body 1, wherein a die leg 2 is fixedly installed on one side of the die main body 1, an upper pressing plate 3 is fixedly installed on the top of the die main body 1, a lower pressing plate 4 is fixedly installed on the bottom of the die main body 1, an oil cylinder upper support 5 is fixedly installed on the top of the upper pressing plate 3, an oil cylinder lower support 6 is fixedly installed on the bottom of the lower pressing plate 4, a fixed die water tower 7 is fixedly installed on the edge of the top of the upper pressing plate 3 on one side of the oil cylinder upper support 5, a hanging ring support 8 is fixedly installed on the top of the upper pressing plate 3 on one side of the fixed die water tower 7, the upper pressing plate 3 and the lower pressing plate 4 are the same in size and are oppositely installed, the hanging ring supports 8 are provided with six hanging ring supports, and the hanging ring components 9 are welded on the tops of the six hanging ring supports 8.
In this embodiment, check the safety in utilization between each spare part in this die casting die earlier before using, then carry this die casting die to needs use place and firm installation and prepare to use, this mould is whole to be convenient for fixed in the installation, and pour into die-casting liquation back in the mould, top board 3 on this mould, holding down plate 4 can be effectual extrudees the inside molten metal of mould, drive top board 3 through the hydro-cylinder on this mould, holding down plate 4 extrudees the liquation, can be big at the product wall thickness, when the shrinkage cavity gas pocket appears easily in some positions, extrude above-mentioned position through local extrusion's mode, ensure that its defect can not appear, the extrusion position is fixed in advance according to the shape of product.
Example two
As shown in fig. 3-4, compared with the first embodiment, the die casting mold for local extrusion provided by the present invention further includes an installation groove 10 formed inside the upper platen 3 and the lower platen 4, an installation bracket 11 fixedly installed inside the installation groove 10, a dome installation member 12 fixedly installed at the bottom end of the installation bracket 11, a pressing plate 13 movably connected to one end of the dome installation member 12, vent holes 14 uniformly distributed on the surface of the pressing plate 13, a rotation shaft member 15 rotatably installed at the middle position of the installation bracket 11, a first transverse connecting rod 16 and a second transverse connecting rod 17 fixedly connected to the circumferential surface of the upper end and the lower end of the rotation shaft member 15, a first vertical connecting rod 18 fixedly connected to one end of the first transverse connecting rod 16 and the second transverse connecting rod 17, a first buffer plate 19 fixedly connected to the bottom end of the first vertical connecting rod 18, and a spring assembly 20 fixedly connected to the bottom of the first buffer plate 19, the other end of the spring assembly 20 is fixedly connected with a second buffer plate 21, the center of the top of the pressing plate 13 is provided with an arc groove matched with the ball top mounting part 12, a reinforcing rod is fixedly connected between the first transverse connecting rod 16 and the second transverse connecting rod 17, and heat dissipation holes 22 are formed in the side surfaces of the upper pressing plate 3 and the lower pressing plate 4.
In this embodiment, when the upper platen 3 and the lower platen 4 pressurize the internal melt, the vent holes 14 on the pressing plate 13 extrude and discharge the gas in the melt, and the buffer mechanism is installed inside the pressing plate 13, so that the extrusion acting force can be effectively buffered, and the situation that the shape of the melt is damaged due to the excessive extrusion force is avoided.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (7)
1. The utility model provides a carry out local extruded die casting die, a serial communication port, including mould main part (1), one side fixed mounting of mould main part (1) has mould foot (2), the top fixed mounting of mould main part (1) has top board (3), the bottom fixed mounting of mould main part (1) has holding down plate (4), the top fixed mounting of top board (3) has hydro-cylinder upper bracket (5), the bottom fixed mounting of holding down plate (4) has hydro-cylinder undersetting (6), top board (3) top edge fixed mounting of hydro-cylinder upper bracket (5) one side has cover half water tower (7), top board (3) top fixed mounting of cover half (7) one side has rings pillar (8).
2. A die casting mold for partial extrusion as claimed in claim 1, wherein the upper platen (3) and the lower platen (4) are the same size and are installed oppositely.
3. A die casting mould for local extrusion as claimed in claim 1, wherein six eye pillars (8) are provided, and the top of the six eye pillars (8) are welded with eye parts (9).
4. The die-casting die for local extrusion as claimed in claim 1, wherein the upper platen (3) and the lower platen (4) are both internally provided with an installation groove (10), an installation support (11) is fixedly installed inside the installation groove (10), a ball top installation component (12) is fixedly installed at the bottom end of the installation support (11), one end of the ball top installation component (12) is movably connected with a pressing plate (13), the surface of the pressing plate (13) is provided with exhaust holes (14) which are uniformly distributed, a rotating shaft component (15) is rotatably installed at the middle position of the installation support (11), the circumferential surfaces of the upper end and the lower end of the rotating shaft component (15) are respectively and fixedly connected with a first transverse connecting rod (16) and a second transverse connecting rod (17), one end of the first transverse connecting rod (16) and one end of the second transverse connecting rod (17) are both fixedly connected with a vertical connecting rod (18), and the bottom end of the first buffer plate (19) is fixedly connected with the vertical connecting rod (18), the bottom of the first buffer plate (19) is fixedly connected with a spring assembly (20), and the other end of the spring assembly (20) is fixedly connected with a second buffer plate (21).
5. The die casting die for local extrusion as claimed in claim 4, wherein the center of the top of the pressing plate (13) is provided with an arc groove matched with the ball top mounting part (12).
6. The die casting mold for the partial extrusion as claimed in claim 4, wherein a reinforcing bar is fixedly connected between the first transverse connecting rod (16) and the second transverse connecting rod (17).
7. The die-casting die for local extrusion as claimed in claim 4, wherein the side surfaces of the upper platen (3) and the lower platen (4) are provided with heat dissipation holes (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122955759.3U CN216828579U (en) | 2021-11-29 | 2021-11-29 | Die casting die for local extrusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122955759.3U CN216828579U (en) | 2021-11-29 | 2021-11-29 | Die casting die for local extrusion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216828579U true CN216828579U (en) | 2022-06-28 |
Family
ID=82105301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122955759.3U Active CN216828579U (en) | 2021-11-29 | 2021-11-29 | Die casting die for local extrusion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216828579U (en) |
-
2021
- 2021-11-29 CN CN202122955759.3U patent/CN216828579U/en active Active
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