CN212469710U - Double-pressure extrusion casting die - Google Patents
Double-pressure extrusion casting die Download PDFInfo
- Publication number
- CN212469710U CN212469710U CN202020313294.4U CN202020313294U CN212469710U CN 212469710 U CN212469710 U CN 212469710U CN 202020313294 U CN202020313294 U CN 202020313294U CN 212469710 U CN212469710 U CN 212469710U
- Authority
- CN
- China
- Prior art keywords
- die
- bottom plate
- cavity
- top board
- wall
- 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.)
- Active
Links
Images
Abstract
The utility model discloses a double-pressure extrusion casting die, which comprises a bottom plate, wherein an outer sleeve with a cavity is detachably arranged on the upper surface of the bottom plate, the bottom plate can also be detachably provided with a die, the die is arranged in the cavity of the outer sleeve, the bottom plate is provided with a through hole at the position of the die, a lower ejection core is fixedly connected with the position of the through hole of the bottom plate, and the lower ejection core extends into the cavity of the die; the top of the jacket can be dismantled and the top board is connected, surface contact mould top under the top board, the through-hole has been seted up on the top board, the top head passes the top board through-hole, and inside the top head also extended to the mould cavity, seted up at least one on the top board and annotated the liquid mouth, annotate the liquid mouth and locate to set up in the clearance of overcoat inner wall and mould outer wall, the overcoat top sets up two at least lugs, and the cell body has been seted up with the size correspondence of lug to the top board lower surface, and the lug is inlayed in the cell body of top board, accomplishes the fixed of position, the utility model discloses can be quick cool down the metal casting to in the.
Description
Technical Field
The utility model relates to a metal casting technical field especially involves a two pressure squeeze casting moulds.
Background
With the progress of modern science, especially the high-speed development of aerospace technology, high-speed rails and engineering machinery, increasingly high requirements are put on structural materials, and the requirements are difficult to meet by traditional metal or alloy materials. For example, a steel-bonded alloy material, which is one of metal matrix composite materials, provides a good choice for modern advanced industries due to its special properties such as low density, high strength, high specific modulus, high temperature resistance, corrosion resistance, wear resistance, and the like. However, due to the difficulty in preparation and synthesis of the product material, the post-treatment is various, and particularly, internal stress and microcracks of the material are difficult to eliminate through forging and heat treatment, so that great difficulty is caused in post-processing. The research and development of steel bonded alloy materials are the key points of new materials in the 21 st century in all countries in the world, and the mechanical and physical properties, microstructures, strengthening mechanisms, deformation and fracture behaviors of the steel bonded alloy materials are explored.
At the in-process of metal casting, the difficult cooling of metal casting in the mould needs wait for a period and just can take out the foundry goods, for this, the utility model discloses a two pressure extrusion casting moulds compares in prior art, the utility model discloses can be quick to the metal casting in the mould processing of cooling down, improve the production efficiency of metal casting.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a two pressure extrusion casting moulds, compare in prior art, the utility model discloses can be quick to the metal casting in the mould processing of cooling down, improve the production efficiency of metal casting.
The utility model discloses a realize through following technical scheme: a double-pressure extrusion casting die comprises a bottom plate, wherein an outer sleeve with a cavity is detachably mounted on the upper surface of the bottom plate, a die is also detachably mounted on the bottom plate, the die is arranged in the cavity of the outer sleeve, a through hole is formed in the position of the bottom plate at the die, a lower top core is fixedly connected with the position of the through hole of the bottom plate, and the lower top core extends into the cavity of the die;
the upper pressing plate is detachably connected to the top of the outer sleeve, the lower surface of the upper pressing plate contacts with the top of the mold, the through hole is formed in the upper pressing plate, the upper pressing head penetrates through the through hole of the upper pressing plate, the upper pressing head also extends into the cavity of the mold, at least one liquid injection port is formed in the upper pressing plate, and the liquid injection port is arranged in the gap between the inner wall of the outer sleeve and the outer wall of the mold.
When in use, the utility model is arranged in the center of a working press, the cavity of the die is cleaned by a compressor spray gun and is arranged at a fixed position of the bottom plate, and the lower top core is arranged in the guide hole in the center of the bottom plate; pouring molten metal into a mold at constant speed without interruption, wherein the volume of the metal melt is the-% increment of the actual volume of a mold cavity, continuously vibrating for-s, then starting an outer top cylinder of a press to move downwards and pressing an upper pressing plate, the pressure of the outer top cylinder of the oil press is equal to the sum of the pressure of an upper top head and the pressure of a lower top head, the upper top head of the oil press moves downwards to directly press an upper pressing head of the mold on the liquid metal melt to a limit point ((the idle stroke speed of the oil press is 1m/s, the liquid load pressure speed is 0.2m/s, the extrusion force is 50-100MPa, the pressure maintaining time is 15-20s), then starting the lower top cylinder of the press to increase the pressure to 500-650MPa, pressing a lower top core to pressurize liquid/solid materials in the mold cavity and maintain the pressure for 25-30s until the pressure is released, and after the casting of a metal piece is completed, and cooling the mold and the metal casting, injecting cold water into the cavity of the jacket through the liquid injection port, and directly cooling the mold and the metal casting to finish production.
Preferably, in order to fix the position of the upper pressing plate quickly, the top of the outer sleeve is provided with at least two convex blocks, the lower surface of the upper pressing plate is provided with groove bodies corresponding to the convex blocks in size, and the convex blocks are embedded in the groove bodies of the upper pressing plate to complete the position fixing.
Preferably, the material of overcoat is the metal material, and the overcoat of metal material conveniently dispels the heat.
Preferably, in order to improve the cooling effect, a cooling fin is fixedly arranged at the gap between the outer wall of the mold and the inner wall of the outer sleeve, and a plurality of through holes are formed in the cooling fin.
Preferably, the cooling pipe passes through all of the through-holes, and the cooling pipe outer wall contacts the through-hole inner wall.
Preferably, the cooling plate is arranged in a semicircular ring shape, and the cooling plate is made of magnesium-aluminum alloy.
Preferably, the cooling pipe comprises a metal pipe and two liquid conveying pipes, the two liquid conveying pipes are respectively connected with a liquid inlet and a liquid outlet of the metal pipe, circulating cooling liquid is injected into the cooling pipe, and the circulating cooling liquid conducts heat to the metal pipe and the radiating fins, so that the liquid in the outer sleeve cavity is cooled.
The utility model discloses a two pressure squeeze casting moulds, compared with the prior art:
the utility model can quickly cool the metal casting in the die, improve the production efficiency of the metal casting, place the utility model in the center of a working press, clean the die cavity of the die by a compressor spray gun, place the die cavity at a fixed position of a bottom plate, and place a lower ejection core in a guide hole in the center of the bottom plate; pouring molten metal into a mould at a constant speed without interruption, wherein the volume of the molten metal is 4-6% of the actual volume increment of a mould cavity of the mould, continuously vibrating for 5-7s, then starting an outer top cylinder of a press to move downwards and pressing an upper pressing plate, the pressure of the outer top cylinder of an oil press is equal to the sum of the pressure of an upper top head and the pressure of a lower top head, and the upper top head of the oil press moves downwards to directly press the upper pressing head of the mould on the liquid metal to a limit point (the idle stroke speed of the oil press is 1m/s, the liquid load pressure speed is 0.2m/s, the extrusion force is 50-100MPa, and the pressure maintaining time is 15-20 s); and then starting a lower top cylinder of the press to increase the pressure to 500-650MPa, pressurizing the liquid/solid material in the die cavity by the lower top core 8 and maintaining the pressure for 25-30s until pressure is relieved, cooling the die and the metal casting after the casting of the metal piece is finished, injecting cold water into the cavity of the outer sleeve through the liquid injection port, and directly cooling the die and the metal casting to finish production.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the cooling fin and the cooling pipe of the present invention;
fig. 3 is a front view of the cooling tube of the present invention.
In the figure: 1. an upper pressure plate; 2. a bump; 3. a jacket; 4. a cooling fin; 5. a through hole; 6. a base plate; 7. a mold; 8. a lower top core; 9. a liquid injection port; 10. an upper pressure head; 11. a cooling tube; 111. a transfusion tube; 112. a metal tube.
Detailed Description
The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
The utility model discloses a double-pressure extrusion casting die, as shown in figures 1 to 3, comprising a bottom plate 6, wherein an outer sleeve 3 provided with a cavity is detachably arranged on the upper surface of the bottom plate 6, a die 7 can also be detachably arranged on the bottom plate 6, the die 7 is arranged inside the cavity of the outer sleeve 3, the bottom plate 6 is provided with a through hole at the position of the die 7, a lower ejection core 8 is fixedly connected with the position of the through hole of the bottom plate 6, and the lower ejection core 8 extends into the cavity of the die 7; the top of the outer sleeve 3 can be detached to be connected with the upper pressing plate 1, the lower surface of the upper pressing plate contacts with the top of the mold 7, a through hole is formed in the upper pressing plate 1, the upper pressing head 10 penetrates through the through hole of the upper pressing plate 1, the upper pressing head 10 also extends into the cavity of the mold 7, at least one liquid injection port 9 is formed in the upper pressing plate 1, and the liquid injection port 9 is arranged at the gap between the inner wall of the outer sleeve 3 and the outer wall of the.
In order to fix the position of the upper pressing plate 1 quickly, the top of the outer sleeve 3 is provided with at least two convex blocks 2, the lower surface of the upper pressing plate 1 corresponds to the size of the convex blocks 2 and is provided with a groove body, and the convex blocks 2 are embedded in the groove body of the upper pressing plate 1 to complete the fixation of the position.
The outer sleeve 3 is made of metal, and the metal outer sleeve is convenient for heat dissipation; in order to improve the cooling effect, a cooling fin 4 is fixedly arranged at the gap between the outer wall of the die 7 and the inner wall of the jacket 3, and a plurality of through holes 5 are formed in the cooling fin 4; the cooling pipe 11 passes through all the through-holes 5, and the outer wall of the cooling pipe 11 contacts the inner wall of the through-holes 5.
The cooling fin 4 sets up to the semicircle ring-type, and the cooling fin 4 is magnesium aluminum alloy material, and the cooling tube 11 includes a tubular metal resonator 111 and two transfer lines 112, and the inlet and the liquid outlet of tubular metal resonator 111 are connected respectively to two transfer lines 112, injects the endless coolant liquid into the cooling tube 11, and the endless coolant liquid carries out heat-conduction to tubular metal resonator 111 and fin 4 to the liquid in 3 cavitys of overcoat is cooled down and is handled.
When in use, the utility model is arranged in the center of a working press, the cavity of the mould 7 is cleaned by a compressor spray gun and is arranged at the fixed position of the bottom plate 6, and the lower top core 8 is arranged in the guide hole in the center of the bottom plate 6; molten metal melt is continuously poured into a mould 7 at a constant speed, the volume of the metal melt is 4-6% increment of the actual volume of a mould cavity, an outer top cylinder of a press is started to move downwards and press an upper pressing plate 1 after the metal melt is continuously vibrated for 5-7s, the pressure of the outer top cylinder of the oil press is equal to the sum of the pressure of an upper top head and the pressure of a lower top head, and the upper top head of the oil press moves downwards to directly press an upper pressing head 10 of the mould on the liquid metal melt to a limit point (the idle stroke speed of the oil press is 1m/s, the liquid load pressure speed is 0.2m/s, the extrusion force is 50-100MPa, and the pressure maintaining time is 15-20 s); and then starting a lower top cylinder of the press to increase the pressure to 500-650MPa, pressurizing the lower top core 8 to pressurize the liquid/solid material in the cavity of the die 7 and maintaining the pressure for 25-30s until pressure is relieved, cooling the die 7 and the metal casting after the casting of the metal piece is finished, injecting cold water into the cavity of the outer sleeve 3 through a liquid injection port 9, and directly cooling the die and the metal casting to finish production.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (7)
1. The double-pressure extrusion casting die is characterized by comprising a bottom plate (6), wherein a jacket (3) with a cavity is detachably mounted on the upper surface of the bottom plate (6), a die (7) can be further detachably mounted on the bottom plate (6), the die (7) is arranged inside the cavity of the jacket (3), a through hole is formed in the position of the die (7) on the bottom plate (6), a lower top core (8) is fixedly connected to the position of the through hole of the bottom plate (6), and the lower top core (8) extends into the cavity of the die (7);
overcoat (3) top can be dismantled and connect top board (1), the contact of top board lower surface mould (7) top, the through-hole has been seted up on top board (1), and last pressure head (10) pass inside top board (1) through-hole, just it also extends to mould (7) cavity to go up pressure head (10), it annotates liquid mouth (9) to have seted up at least one on top board (1), annotate liquid mouth (9) and locate to set up in the clearance of overcoat (3) inner wall and mould (7) outer wall.
2. The double-pressure extrusion casting die as claimed in claim 1, wherein at least two lugs (2) are arranged at the top of the outer sleeve (3), and a groove is formed in the lower surface of the upper pressure plate (1) corresponding to the lugs (2) in size.
3. A twin pressure extrusion casting mould as claimed in claim 2, characterised in that the material of the jacket (3) is a metallic material.
4. The double-pressure extrusion casting die as claimed in claim 3, wherein a cooling fin (4) is fixedly arranged at a gap between the outer wall of the die (7) and the inner wall of the jacket (3), and a plurality of through holes (5) are formed in the cooling fin (4).
5. The twin pressure extrusion casting die as set forth in claim 4, wherein the cooling pipe (11) passes through all of the through-holes (5), and the outer wall of the cooling pipe (11) contacts the inner wall of the through-holes (5).
6. The twin pressure extrusion casting die as defined in claim 5, wherein the cooling fin (4) is formed in a semicircular shape, and the cooling fin (4) is made of a magnesium aluminum alloy.
7. The twin pressure squeeze casting die according to claim 6, wherein the cooling pipe (11) comprises a metal pipe (111) and two liquid transfer pipes (112), and the two liquid transfer pipes (112) are connected to a liquid inlet and a liquid outlet of the metal pipe (111), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020313294.4U CN212469710U (en) | 2020-03-13 | 2020-03-13 | Double-pressure extrusion casting die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020313294.4U CN212469710U (en) | 2020-03-13 | 2020-03-13 | Double-pressure extrusion casting die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212469710U true CN212469710U (en) | 2021-02-05 |
Family
ID=74458412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020313294.4U Active CN212469710U (en) | 2020-03-13 | 2020-03-13 | Double-pressure extrusion casting die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212469710U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113455230A (en) * | 2021-06-30 | 2021-10-01 | 黑龙江八一农垦大学 | Low-temperature baking forming device for biomass seedling raising pot |
-
2020
- 2020-03-13 CN CN202020313294.4U patent/CN212469710U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113455230A (en) * | 2021-06-30 | 2021-10-01 | 黑龙江八一农垦大学 | Low-temperature baking forming device for biomass seedling raising pot |
| CN113455230B (en) * | 2021-06-30 | 2023-11-07 | 黑龙江八一农垦大学 | Low-temperature baking and forming device for biomass seedling pot |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105014045B (en) | A kind of Compound Extrusion casting method of magnesium alloy special-shaped part | |
| CN212469710U (en) | Double-pressure extrusion casting die | |
| CN1168557C (en) | Casting mould and method for manufacturing metallic hollow castings and hollow castings | |
| CN205996158U (en) | A kind of side core-pulling extrudes die casting equipment | |
| CN206763894U (en) | An a kind of mould two pieces cylinder sleeve squeeze casting mould | |
| CN208116712U (en) | A kind of auto parts die casting that part can be accelerated cooling | |
| CN110732655A (en) | Aluminum alloy casting forming die and forming process | |
| CN103753150B (en) | A kind of preparation method of magnesium alloy honeycomb blind hole structural member | |
| CN215614940U (en) | Adjustable internal chill subassembly | |
| CN112024831B (en) | Casting method of engine cylinder body integrated with high-pressure oil pump and chill core support for casting | |
| CN111774548A (en) | Double-extrusion die casting mold and double-extrusion die casting method | |
| CN213826927U (en) | Novel steel die-casting structure | |
| CN208730139U (en) | A kind of semiconductor high temperature resistant precision die | |
| CN215845542U (en) | Double-runner turbine casting mold device | |
| CN114160774B (en) | Large new energy gearbox housing low-pressure die | |
| CN215544816U (en) | Special mould for producing precision castings | |
| CN111715853A (en) | Excavator bucket tooth casting mould | |
| CN113523193B (en) | Lightweight crankcase casting pouring system and casting process thereof | |
| CN217223498U (en) | Piston mould with water-cooling structure | |
| CN207772302U (en) | A kind of auto parts machinery mold | |
| CN218517674U (en) | A thin slice runner production system for nodular iron and vermicular iron | |
| CN215315513U (en) | Simple sand mold device suitable for shell processing | |
| CN220612256U (en) | Die casting die of compressor bracket | |
| CN219544085U (en) | I-shaped groove type carbon fiber composite forming die | |
| CN214392249U (en) | Gravity casting mold for aluminum alloy thin-wall shell casting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |