CN106623839B - Casting forming machine - Google Patents
Casting forming machine Download PDFInfo
- Publication number
- CN106623839B CN106623839B CN201510744203.6A CN201510744203A CN106623839B CN 106623839 B CN106623839 B CN 106623839B CN 201510744203 A CN201510744203 A CN 201510744203A CN 106623839 B CN106623839 B CN 106623839B
- Authority
- CN
- China
- Prior art keywords
- heat preservation
- preservation device
- casting
- liquid
- butt joint
- 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
- 238000005266 casting Methods 0.000 title claims abstract description 67
- 238000004321 preservation Methods 0.000 claims abstract description 106
- 239000007788 liquid Substances 0.000 claims abstract description 58
- 238000002347 injection Methods 0.000 claims abstract description 42
- 239000007924 injection Substances 0.000 claims abstract description 42
- 229910052751 metal Inorganic materials 0.000 claims abstract description 29
- 239000002184 metal Substances 0.000 claims abstract description 29
- 238000001802 infusion Methods 0.000 claims abstract description 16
- 210000001503 joint Anatomy 0.000 claims description 31
- 238000010438 heat treatment Methods 0.000 claims description 13
- 238000007654 immersion Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims 2
- 239000012212 insulator Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 239000000243 solution Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009716 squeeze casting Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Landscapes
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides a casting forming machine, comprising: the mould, the riser tube, the infusion tube, the injection punch, the first heat preservation device and the second heat preservation device are arranged on the press; a casting mold is arranged in the mold, one end of a liquid lifting pipe is connected with the casting mold, the other end of the liquid lifting pipe is provided with an injection punch, and a liquid conveying pipe is connected with the side wall of the liquid lifting pipe; the infusion tube is positioned in the second heat preservation device, and the first heat preservation device and the second heat preservation device are used for preserving heat of molten metal; the injection punch is connected with the injection cylinder and is used for applying high pressure into the riser tube under the pushing of a piston rod of the injection cylinder. The casting forming machine provided by the invention not only ensures that no oxide inclusion exists in the molten metal conveying process, but also ensures that the casting is solidified under high pressure, and the casting has good compactness and excellent quality.
Description
Technical Field
The invention relates to the technical field of casting of metal products, in particular to a casting forming machine.
Background
In the existing casting machine, a low-pressure casting machine and a squeeze casting machine are preferred from the aspects of the application range, the casting quality and the development prospect.
The traditional low-pressure casting machine is characterized in that dry compressed air with lower air pressure is input into a sealed heat preservation furnace, molten metal is input into a mold through a liquid lifting pipe under the action of the air pressure to be pressurized and maintained until a casting is completely solidified, finally, the pressure of air on the liquid level is relieved, the unsolidified molten metal in the liquid lifting pipe flows back to the heat preservation furnace, and then the casting is opened through an oil cylinder and ejected.
Because the pressurization mode of low pressure casting is to pressurize outside the casting mould through an external pressure source, the pressure of compressed air in a heat preservation furnace is generally maximum 1Mpa during low pressure casting, so that the pressure of the casting is very low, and the casting is not compact enough.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a casting forming machine to solve the problem that the traditional low-pressure casting machine is low in pressure.
The invention provides a casting forming machine, which comprises:
the mould, the riser tube, the infusion tube, the injection punch, the first heat preservation device and the second heat preservation device are arranged on the press;
a casting mold is arranged in the mold, one end of the lift tube is connected with the casting mold, the other end of the lift tube is provided with the injection punch, and the infusion tube is connected with the side wall of the lift tube; the infusion tube is positioned in the second heat preservation device, and the first heat preservation device and the second heat preservation device are used for preserving heat of molten metal;
the first heat preservation device is provided with a compressed air channel for applying air pressure to the molten metal in the first heat preservation device;
the injection punch is connected with the injection cylinder and used for applying high pressure to the liquid lifting pipe under the pushing of a piston rod of the injection cylinder.
Further, first heat preservation device and second heat preservation device structure as an organic whole, be provided with the feed liquor passageway that infusion passageway and slope preset the angle in the first heat preservation device, feed liquor passageway's one end with infusion channel connects, feed liquor passageway's the other end with the transfer line is connected, all be provided with in first heat preservation device and the second heat preservation device and soak hot type heating rod.
Further, the first heat preservation device and the second heat preservation device are of split structures.
Furthermore, the second heat preservation device is located on the side face of the first heat preservation device, an infusion channel and a heat immersion type heating rod are arranged in the first heat preservation device, the infusion tube is a first butt joint tube which is horizontally arranged, one end of the first butt joint tube is connected with the infusion channel, the other end of the first butt joint tube is connected with the lift tube, the lift tube is in butt joint and sealing with the first heat preservation device through the first butt joint tube, and a resistance wire is arranged in the second heat preservation device.
Furthermore, the second heat preservation device is located above the first heat preservation device, a transfusion channel and a heat immersion type heating rod are arranged in the first heat preservation device, the transfusion pipe is a second butt joint pipe which is vertically arranged, one end of the second butt joint pipe is connected with the transfusion channel, the other end of the second butt joint pipe is connected with the liquid lifting pipe, the liquid lifting pipe is in butt joint and sealing with the first heat preservation device through the second butt joint pipe, and a resistance wire is arranged in the second heat preservation device.
Further, the first heat preservation device and the second heat preservation device are both provided with heat preservation covers.
The casting forming machine provided by the invention can realize the casting completion of the casting under high pressure, solves the problem of low pressure of the traditional low-pressure casting machine, and can avoid oxide inclusion because the metal liquid finally reaches the die through the liquid conveying channel, the liquid supply channel, the liquid conveying pipe and the liquid lifting pipe in the sealed first heat preservation device and is finally solidified under high pressure. Therefore, the casting forming machine provided by the invention not only ensures that no oxide inclusion exists in the molten metal conveying process, but also ensures that the casting is solidified under high pressure, and the casting has good compactness and excellent quality.
Drawings
FIG. 1 is a schematic structural view of a first embodiment of a casting machine according to the present invention;
FIG. 2 is a schematic structural view of a second embodiment of the casting and molding machine of the present invention;
fig. 3 is a schematic structural diagram of a third embodiment of the casting forming machine provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of a first embodiment of a foundry molding machine provided by the present invention, and as shown in fig. 1, the foundry molding machine of this embodiment includes a mold 1, a lift tube 3, a liquid delivery tube 4, a shot punch 5, a first heat preservation device 6 and a second heat preservation device 7 which are mounted on a press, where the first heat preservation device 6 and the second heat preservation device 7 may be a heat preservation furnace, the mold 2 is disposed in the mold 1, one end of the lift tube 3 is connected with the mold 2, the other end of the lift tube 3 is provided with the shot punch 5, and the liquid delivery tube 4 is connected with a side wall of the lift tube 3. The infusion tube 4 is positioned in a second heat preservation device 7, a first heat preservation device 6 and the second heat preservation device 7 are used for preserving the temperature of molten metal, the injection punch 5 is connected with the injection cylinder, and the injection punch 5 is used for applying high pressure to the interior of the riser tube 3 under the pushing of a piston rod of the injection cylinder. The first heat preservation device 6 and the second heat preservation device 7 shown in fig. 1 are of an integrated structure, a liquid supply channel 8 inclined at a preset angle is arranged in the first heat preservation device 6, for example, the preset angle is smaller than 30 degrees, a liquid conveying channel 11 is arranged in the first heat preservation device, and immersion heating rods 9 are arranged in both the first heat preservation device 6 and the second heat preservation device 7. The first heat preservation device 6 and the second heat preservation device 7 are both provided with a heat preservation cover 10. The first temperature maintaining means 6 has a sealing structure and a compressed air passage.
The working principle of the casting and forming machine provided by the embodiment is as follows: the first heat preservation device 6 is filled with molten metal 20, such as aluminum liquid, the molten metal is heated and preserved by a heat immersion type heating rod 9 in the first heat preservation device 6, compressed air 21 enters the first heat preservation device 6 through a compressed air channel, the molten metal enters the die 1 through a liquid conveying channel 11, a liquid supply channel 8 inclined at a preset angle and a liquid lifting tube 3 by air pressure, the liquid lifting tube 3 is pressurized in a vertical filling mode, the air pressure is maintained, a piston rod of an injection cylinder pushes an injection punch 5 to move forwards, part of the molten metal above the liquid conveying tube 4 is forced to flow back into the first heat preservation device 6, when the injection plunger 5 seals the tube opening of the infusion tube 4, the pressure of the injection plunger 5 rises, the piston rod of the injection cylinder directly pushes the injection plunger 5 to apply high pressure, thereby ensuring that the casting is solidified under high pressure, and after the injection punch 5 finishes extrusion, the casting retreats to the lower end of the infusion tube 4, so that a working cycle is finished. Therefore, the casting can be finished under high pressure, the problem that the pressure of the traditional low-pressure casting machine is not high is solved, and because the molten metal finally reaches the die through the liquid conveying channel, the liquid supply channel, the liquid conveying pipe and the liquid lifting pipe in the sealed first heat preservation device and finally solidifies at high pressure, the oxide inclusion can be avoided. Therefore, the casting forming machine provided by the invention not only ensures that no oxide inclusion exists in the molten metal conveying process, but also ensures that the casting is solidified under high pressure, and the casting has good compactness and excellent quality.
Fig. 2 is a schematic structural diagram of a second embodiment of the casting and forming machine according to the present invention, which is different from the structure shown in fig. 1 in that a first heat preservation device and a second heat preservation device are separate structures, as shown in fig. 2, a second heat preservation device 7 is located above a side surface of a first heat preservation device 6, a lift tube 3 is vertically pressurized for mold filling, a liquid conveying channel 11 and an immersion type heating rod 9 are arranged in the first heat preservation device, the liquid conveying pipe in fig. 2 is a first butt joint pipe 12 horizontally arranged, the lift tube 3 is butt-jointed and sealed with the first heat preservation device 6 through the first butt joint pipe 12, the second heat preservation device 7 is arranged below the lift tube 3, and a resistance wire 13 is arranged in the second heat preservation device, and the resistance wire 13 is used for heating the lift tube 3.
Similar to the operation principle of the casting and forming machine shown in fig. 1, the operation principle of the casting and forming machine provided by the present embodiment is as follows: the first heat preservation device 6 is filled with molten metal 20 such as aluminum liquid, the molten metal is heated and preserved by an immersion heating rod 9 in the first heat preservation device 6, compressed air 21 enters the first heat preservation device 6 through a compressed air channel, the molten metal enters the die 1 through a liquid conveying channel 11, a first butt joint pipe 12 and a riser pipe 3 by air pressure, the riser pipe 3 is vertically charged and pressurized, the air pressure is maintained, a piston rod of an injection cylinder pushes the injection punch 5 to advance to seal the butt joint pipe 12, then the molten metal in the first butt joint pipe 12 completely flows back to the first heat preservation device 6, when the injection punch 5 seals a pipe opening of the first butt joint pipe 12, the pressure of the injection punch 5 is increased, the piston rod of the injection cylinder directly pushes the injection punch 5 to apply high pressure to ensure that a casting is solidified under high pressure, after the extrusion of the injection punch 5 is completed, the injection punch 5 moves back to the lower end of the first butt joint pipe 12, this is until a work cycle is completed. Therefore, the casting can be finished under high pressure, the problem that the pressure of the traditional low-pressure casting machine is not high is solved, and because the molten metal finally reaches the die through the liquid conveying channel, the first butt joint pipe and the liquid lifting pipe in the sealed first heat preservation device and is finally solidified under high pressure, the oxide inclusion can be avoided. Therefore, the casting forming machine provided by the invention not only ensures that no oxide inclusion exists in the molten metal conveying process, but also ensures that the casting is solidified under high pressure, and the casting has good compactness and excellent quality.
Fig. 3 is a schematic structural diagram of a third embodiment of the casting forming machine provided by the present invention, and the structural difference from fig. 1 is that a first heat preservation device and a second heat preservation device are in a split structure, as shown in fig. 3, a second heat preservation device 7 is located above a first heat preservation device 6, a lift tube 3 is vertically pressurized for mold filling, a liquid delivery channel 11 and a heat immersion type heating rod 9 are arranged in the first heat preservation device, a liquid delivery tube in fig. 3 is a second butt joint tube 14 vertically arranged, the lift tube 3 is butt-jointed and sealed with the first heat preservation device 6 through the second butt joint tube 14, the second heat preservation device 7 is arranged below the lift tube 3, and a resistance wire 13 is arranged in the second heat preservation device.
Similar to the operation principle of the casting and forming machine shown in fig. 1 and 2, the operation principle of the casting and forming machine provided in the present embodiment is: the first heat preservation device 6 is filled with molten metal 20 such as aluminum liquid, the molten metal is heated and preserved by an immersion heating rod 9 in the first heat preservation device 6, compressed air 21 enters the first heat preservation device 6 through a compressed air channel, the molten metal enters the die 1 through a liquid conveying channel 11, the second pair of connecting pipes 14 and a riser pipe 3 by air pressure, the riser pipe 3 is vertically charged and pressurized, the air pressure is maintained, a piston rod of the injection cylinder pushes the injection punch 5 to advance to seal the second pair of connecting pipes 14, then the molten metal in the second pair of connecting pipes 14 completely flows back to the first heat preservation device 6, when the injection punch 5 seals the pipe openings of the second pair of connecting pipes 14, the pressure of the injection punch 5 is increased, the piston rod of the injection cylinder directly pushes the injection punch 5 to apply high pressure to ensure that a casting is solidified under high pressure, after the extrusion of the injection punch 5 is completed, the injection punch 5 moves back to the left side of the second pair of, this is until a work cycle is completed. Therefore, the casting can be finished under high pressure, the problem that the pressure of the traditional low-pressure casting machine is not high is solved, and because the molten metal finally reaches the die through the liquid conveying channel, the second butt joint pipe and the liquid lifting pipe in the sealed first heat preservation device and is finally solidified under high pressure, the oxide inclusion can be avoided. Therefore, the casting forming machine provided by the invention not only ensures that no oxide inclusion exists in the molten metal conveying process, but also ensures that the casting is solidified under high pressure, and the casting has good compactness and excellent quality.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. A foundry forming machine, comprising:
the mould, the riser tube, the infusion tube, the injection punch, the first heat preservation device and the second heat preservation device are arranged on the press;
a casting mold is arranged in the mold, one end of the lift tube is connected with the casting mold, the other end of the lift tube is provided with the injection punch, and the infusion tube is connected with the side wall of the lift tube; the infusion tube is positioned in the second heat preservation device, and the first heat preservation device and the second heat preservation device are used for preserving heat of molten metal;
the first heat preservation device is provided with a compressed air channel for applying air pressure to the molten metal in the first heat preservation device;
the injection punch is connected with the injection cylinder and used for applying high pressure to the liquid lifting pipe under the pushing of a piston rod of the injection cylinder.
2. The casting forming machine according to claim 1, wherein the first heat preservation device and the second heat preservation device are of an integral structure, a liquid delivery channel and a liquid delivery channel inclined at a preset angle are arranged in the first heat preservation device, one end of the liquid delivery channel is connected with the liquid delivery channel, the other end of the liquid delivery channel is connected with the liquid delivery pipe, and immersion heating rods are arranged in the first heat preservation device and the second heat preservation device.
3. The casting forming machine of claim 1, wherein the first and second thermal insulators are separate structures.
4. The casting and forming machine according to claim 3, wherein the second heat preservation device is located on a side surface of the first heat preservation device, a liquid conveying channel and a heat immersion type heating rod are arranged in the first heat preservation device, the liquid conveying pipe is a first butt joint pipe horizontally arranged, one end of the first butt joint pipe is connected with the liquid conveying channel, the other end of the first butt joint pipe is connected with the liquid lifting pipe, the liquid lifting pipe is in butt joint and sealing with the first heat preservation device through the first butt joint pipe, and a resistance wire is arranged in the second heat preservation device.
5. The casting and forming machine according to claim 3, wherein the second heat preservation device is located above the first heat preservation device, a liquid conveying channel and an immersion heating rod are arranged in the first heat preservation device, the liquid conveying pipe is a second butt joint pipe vertically arranged, one end of the second butt joint pipe is connected with the liquid conveying channel, the other end of the second butt joint pipe is connected with the liquid lifting pipe, the liquid lifting pipe is in butt joint and sealing with the first heat preservation device through the second butt joint pipe, and a resistance wire is arranged in the second heat preservation device.
6. The foundry forming machine of any one of claims 1 to 5, wherein the first and second insulation means are each provided with an insulation cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510744203.6A CN106623839B (en) | 2015-11-03 | 2015-11-03 | Casting forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510744203.6A CN106623839B (en) | 2015-11-03 | 2015-11-03 | Casting forming machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106623839A CN106623839A (en) | 2017-05-10 |
| CN106623839B true CN106623839B (en) | 2020-01-14 |
Family
ID=58851306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510744203.6A Active CN106623839B (en) | 2015-11-03 | 2015-11-03 | Casting forming machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106623839B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1541788A (en) * | 2003-11-07 | 2004-11-03 | 龙思远 | Indirect extrusion casting process |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1270059B (en) * | 1994-07-04 | 1997-04-28 | T C S Molding Systems S P A | PROCESS AND EQUIPMENT FOR THE MOLDING OF METALLIC ALLOY PIECES |
| US6880614B2 (en) * | 2003-05-19 | 2005-04-19 | Takata Corporation | Vertical injection machine using three chambers |
| DE20309181U1 (en) * | 2003-06-13 | 2004-10-28 | Allper Ag | Multi-part piston for a cold chamber die casting machine |
| CN102211170A (en) * | 2011-05-20 | 2011-10-12 | 江苏天宏机械工业有限公司 | Highly turbocharged low pressure die casting machine |
| CN102728819B (en) * | 2012-07-05 | 2014-04-16 | 西北工业大学 | Device and method for integration vacuum melting precise quantitative pouring of aluminum alloy and magnesium alloy |
| CN202752578U (en) * | 2012-08-29 | 2013-02-27 | 太仓奥科机械设备有限公司 | Hot chamber die casting machine |
| CN205110734U (en) * | 2015-11-03 | 2016-03-30 | 广东科达洁能股份有限公司 | Novel casting make -up machine |
-
2015
- 2015-11-03 CN CN201510744203.6A patent/CN106623839B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1541788A (en) * | 2003-11-07 | 2004-11-03 | 龙思远 | Indirect extrusion casting process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106623839A (en) | 2017-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104084469B (en) | A kind of three-way pipe hydraulic forming device | |
| TWI533954B (en) | A device and a method of melting and forming under vacuum environment | |
| CN106694595B (en) | A kind of aluminium section bar Isothermal Extrusion system and its pressing method | |
| US3447593A (en) | Apparatus for die casting | |
| CN203917555U (en) | A kind of three-way pipe hydraulic forming device | |
| JP2015120176A (en) | Aluminum die casting apparatus and aluminum die casting method | |
| CN206779407U (en) | A kind of double cylinder evacuated die-casting process devices | |
| CN208840449U (en) | Wax apparatus is penetrated in a kind of full-automatic double position | |
| CN109454917B (en) | Ultrahigh-power graphite electrode profiling equipment with impregnation function and profiling method thereof | |
| CN106623839B (en) | Casting forming machine | |
| CN204553401U (en) | Cylinder water-cooling formula hydraulic jack | |
| CN207563468U (en) | A kind of full-automatic four axis hydraulic pressure reshaper | |
| CN210334308U (en) | Feed-back system and extrusion die-casting machine | |
| CN203621457U (en) | Die-casting die | |
| CN205110734U (en) | Novel casting make -up machine | |
| CN106694848A (en) | Pressure casting device and method | |
| KR102563484B1 (en) | Method for high-pressure die casting | |
| CN111571766A (en) | Injection molding apparatus and injection molding method | |
| Iwata et al. | Change in molten metal pressure and its effect on defects of aluminum alloy die castings | |
| ITMI20101606A1 (en) | IMPROVED DEVICE FOR FILLING MOLTED METAL IN PRESSING CHAMBERS IN DIE-CASTING MACHINES | |
| CN104646646A (en) | Double-chamber continuous-pressurization molten aluminum electrical heating and holding furnace | |
| CN108930699A (en) | A kind of processing method of bridge-cut aluminum section bar glue filling device and bridge-cut aluminum section bar | |
| CA2766281A1 (en) | A two sleeve metal filling system for filling of injection sleeve with injection piston in the retracted position for inclined cold chamber die casting machines | |
| CN204094111U (en) | A kind of heating system for material injection device of die casting machine | |
| CN204182880U (en) | A kind of two squeeze pin structures connected by push pedal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 528313, No. 1, West Road, Guang Long Industrial Park, Chencun Town, Shunde District, Guangdong, Foshan Patentee after: Keda Manufacturing Co.,Ltd. Address before: 528313, No. 1, West Road, Guang Long Industrial Park, Chencun Town, Shunde District, Guangdong, Foshan Patentee before: KEDA CLEAN ENERGY Co.,Ltd. |