CN102451898A - Vacuum melting die-casting equipment - Google Patents
Vacuum melting die-casting equipment Download PDFInfo
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- CN102451898A CN102451898A CN2010105288286A CN201010528828A CN102451898A CN 102451898 A CN102451898 A CN 102451898A CN 2010105288286 A CN2010105288286 A CN 2010105288286A CN 201010528828 A CN201010528828 A CN 201010528828A CN 102451898 A CN102451898 A CN 102451898A
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Abstract
The invention provides vacuum melting die-casting equipment which comprises a melting device, an injection device, a first driving device, a product forming mould and a second driving device, wherein the first driving device can drive the injection device to reciprocate in the melting device; the melting device is in sealed connection with the first driving device and the product forming mould respectively; the second driving device is connected with the product forming mould and can control the opening/closing of the product forming mould; and the vacuum melting die-casting equipment is characterized in that: the melting device comprises a vacuum cylinder, a material pipe and a radio-frequency induction coil, wherein the vacuum cylinder provides a vacuum environment for the melting; the material pipe is located in the vacuum cylinder and used for placing a metal blank; and the radio-frequency induction coil is located outside the vacuum cylinder, contacts with the vacuum cylinder and can heat the metal blank in the material pipe. After the melting is finished, the driving device drives the injection device to finish the injection process, and the injection device injects from bottom to top. The vacuum melting die-casting equipment has a simple structure and relatively low cost, and is convenient to operate.
Description
Technical field
The invention belongs to the apparatus of metal molding field, relate in particular to the melting die casting equipment that is used for various easy oxidation metals and alloy thereof.
Background technology
Metal and alloy with excellent physics, chemistry, mechanical property and precise forming property are the critical materials that supports new and high technologies such as following precision optical machinery, information, Aero-Space device, national defense industry.Yet the preparation condition of most novel metals and alloy requires harsh, and like the Mg alloy, the performance of non-crystaline amorphous metal etc. is responsive to oxygen content, and this just requires its melting and forming process under vacuum condition, to carry out all the time.
Existing evacuated die-casting process equipment nearly all is under the condition of atmosphere, to accomplish press casting procedure, cause the oxidation of metal product easily, and product forms pore easily.Therefore, melting and die casting how under vacuum condition, to accomplish easy oxidation metal are bottlenecks in the evacuated die-casting process method always.Have and adopt the electrode lead-in mode, radio-frequency induction coil and melting kettle are installed in vacuum cavity, easy oxidation metal is carried out melting, water material pipe the inside to the metal of molten condition then, accomplish press casting procedure then.But import the complex structure that vacuum cavity inside can make equipment to electrode, improvement cost is high, and electrode is easy to generate the glow discharge phenomenon in vacuum cavity inside in the energising fusion process, and the reliability of equipment is not high.And melting kettle can be stained with defective material and have oxide skin after the completion melting once is watered the material process, and cleaning trouble, and easy introducing impurity in the Metal Melting process afterwards influence properties of product.
Summary of the invention
The present invention imports vacuum cavity inside for solving existing electrode; Device structure is complicated, improvement cost is high, electroplax is prone to produce defective before the glow discharge phenomenon under vacuum environment in the energising fusion process, and a kind of simple in structure, vacuum melting die casting equipment that reliability is high is provided.
The invention provides a kind of vacuum melting die casting equipment, this equipment comprises: smelting apparatus, material injection device, first drive unit, formed product mould, second drive unit; Said first drive unit drives material injection device and in smelting apparatus, moves back and forth, and is used for that metal stock is sent into smelting apparatus and perhaps the metal liquid after the melting is pushed in the formed product mould; Said smelting apparatus is tightly connected with first drive unit, formed product mould respectively; Said second drive unit is connected the also switching of driven product mould with the formed product mould; Said smelting apparatus is included as melting provides the vacuum drum of vacuum environment, be arranged in material pipe that vacuum drum inside is used to place metal stock, be positioned at the outside radio-frequency induction coil that contacts with vacuum drum and the metal stock that material is managed carried out eddy-current heating of vacuum drum.
The present invention is arranged on radio-frequency induction coil in the air metal stock under the vacuum environment in the confined space is carried out melting; Having avoided that electrode is introduced vacuum makes device structure complicated; Powered electrode can produce problems such as glow discharge phenomenon under improvement cost height and the vacuum environment; Optimize and simplified equipment, reduced the cost of manufacture of equipment, and improved the reliability of equipment.
Description of drawings
Fig. 1 is the structure chart of a kind of vacuum melting die casting equipment provided by the invention.
The specific embodiment
Clearer for technical problem, technical scheme and beneficial effect that the present invention is solved, below in conjunction with accompanying drawing and embodiment, the present invention is done further explain.
Preferably, said formed product mould is positioned at above the smelting apparatus, and said material injection device pushes away molten condition metal stock to the formed product mould in the feed pipe from bottom to top.Shoot material from bottom to top and avoided in the horizontal material shooting process fused solution metal stock to produce rolling phenomenon causing product to form a lot of pores, influence the quality of shaped metal articles because of flowing.Traditional melting kettle can be stained with defective material and have oxide skin after the completion melting once is watered the material process; The cleaning trouble; And introduce impurity in the Metal Melting process afterwards easily; Influence properties of product, the motlten metal blank is placed on the piston and contact with the material inside pipe wall and shoot material from bottom to top among the present invention, and the melting press casting procedure finishes the back material can not be stained with defective material in managing.Effectively solved the sizing problem in the traditional vacuum die casting equipment material shooting process.
Preferably, said first drive unit and second drive unit all adopt air cylinder driven.
Preferably, said vacuum drum is provided with aspirating hole, and aspirating hole is used for vacuum cavity inside is vacuumized, and realizes the needed vacuum environment of fusion process.
Preferably, said vacuum drum is provided with air admission hole, and air admission hole is used to feed inert protective gas.
Preferably, said material injection device comprises shoot material bar and position piston on it, leaves the space between said piston and the material inside pipe wall, and gap length is the 0.05-0.1 millimeter.Leave the gap of 0.05mm to 0.1mm between the piston of bearing metal blank and the material inside pipe wall; Guaranteed that the aspirating hole on the vacuum drum can vacuumize material pipe inside; Can also feed protective gas from the air admission hole on the vacuum drum, protective gas also can enter in the material pipe from this gap.
Preferably, said formed product mould comprises fixed half and moving half, and wherein cover half is connected with smelting apparatus, and dynamic model is connected with second drive unit, and second drive unit driving dynamic model moves up and down the formed product mould is opened and closed.
Preferably, be provided with the base plate of support fixation vacuum drum below the said vacuum drum, be connected with the gripper shoe that supports cover half above the vacuum drum, all seal between vacuum drum and base plate, vacuum drum and the gripper shoe with cushion rubber hydrostatic seal or metal.
Preferably, said first drive unit comprises cylinder and cylinder rod, adopts cushion rubber to carry out movable sealing between the cylinder rod of the said base plate and first drive unit.
Preferably, said material pipe is fastened on the said gripper shoe through bolt.
Preferably, be provided with the water cooling plant that vacuum drum is lowered the temperature and cooled off outside the said vacuum drum.Vacuum drum raises because of electromagnetic induction phenomenon produces the eddy current effect temperature during for fear of melting, in the vacuum drum outside water cooling plant is housed, and plays the effect to vacuum drum cooling cooling.
The present invention makes traditional smelting system and injection system integrated, has avoided melting, injection system separately also will realize feed through the mode of watering material or blanking, thereby has solved the problem that causes the material temperature to change in the feed process, helps the stable of properties of product.
As shown in Figure 1, the structure of vacuum melting die casting equipment comprises: be used to drive the bar that shoots material in first drive unit and move upward metal stock is sent into the cylinder 1 in the formed product mould, drive the cylinder rod 2 that the bar that shoots material moves in vacuum cavity.Play the base plate 3 of support and fixation, adopt the rubber sealing body to carry out movable sealing between base plate 3 and the cylinder rod 2.The vacuum drum 4 of vacuum environment is provided for the melting press casting procedure in the smelting apparatus, and vacuum drum 4 adopts the mode of cushion rubber hydrostatic seals to reach the purpose of sealing with base plate 3.Vacuum drum 4 is provided with aspirating hole 19, and this aspirating hole can external vaccum-pumping equipment, and this vaccum-pumping equipment can vacuumize through 19 pairs of vacuum drum 4 inside of aspirating hole, realizes vacuum environment; Also be provided with air admission hole 18 on the vacuum drum 4, through feeding inert protective gas in 18 pairs of vacuum cavities of air admission hole.Metal stock 7 is heated to form molten condition in the material pipe 8 of smelting apparatus, material pipe 8 adopts graphite materials to process, and graphite has not characteristic such as sizing of fusing point height.Shooting material is equipped with the piston 6 that graphite material is processed on the bar 5, and metal stock 7 is placed on the graphite piston 6, and under the driving of cylinder 1, the metal stock that the bar 5 that shoots material can drive on the graphite piston 6 moves reciprocatingly in material pipe 8 inside.Leave the gap of 0.08mm between the inwall of piston 6 and material pipe 8, be used for vacuumizing and feed protective gas in the material pipe.Smelting apparatus also comprises radio-frequency induction coil 16, and it is positioned at the vacuum drum outside, can carry out eddy-current heating to material pipe 8 inner metal stocks 7 through radio-frequency induction coil 16.Vacuum drum 4 raises because of electromagnetic induction phenomenon produces the eddy current effect temperature during for fear of melting, is equipped with in the vacuum drum outside to be used for its water cooling plant that cools 17.Vacuum drum be provided with one be used for the support product mould gripper shoe 9, adopt bolted mode to fix between gripper shoe 9 and the material pipe 8.Adopt the cushion rubber hydrostatic seal between gripper shoe 9 and the vacuum drum 4.After the melting completion to metal stock, the bar 5 that shoots material promotes metal stock 7 to the formed product mould of molten conditions, and cooling cooled and solidified moulding in mold cavity; The formed product mould is made up of cover half 10 and dynamic model 11; Dynamic model 11 is positioned at the top of cover half 10, is connected with the locked mode cylinder rod 12 of second drive unit on the dynamic model 11, and locked mode cylinder rod 12 is under the driving of locked mode cylinder 14; Open dynamic model 11, take out product.Support column 15 is arranged between gripper shoe 9 and the base plate 3, is used for supporting cover half 10.Brother woods post 20 is used for supporting upper plate 13 between upper plate 13 and base plate 3.
The concrete course of work of the vacuum melting die casting equipment that the present invention announces is such: at first second drive unit action; Utilize locked mode cylinder 14 to drive locked mode cylinder rod 12 and lift dynamic model 11; First drive unit action then; Utilize cylinder 1 to drive the bar 5 that shoots material the piston 6 of bearing metal blank is risen in the formed product mould, metal stock is positioned on the piston.And then utilize first, second drive unit that piston and dynamic model are resetted respectively, utilize locked mode cylinder 14 locked modes.Metal stock advances after the feeding pipe; Utilize the 19 pairs of vacuum drum inside of aspirating hole on the vacuum drum 4 to vacuumize, after the vacuum in material pipe 8 and the mold cavity reached designated value, smelting apparatus was started working; Metal stock 7 is melted fast; After the temperature of molten condition metal stock in the material pipe 8 reached designated value, cylinder 1 drove metal stock that the bar 2 that shoots material promotes molten conditions and rises to get in the mold cavity between cover half and the dynamic model and cool off, finalize the design, when liquid metal in mold cavity, finalize the design cool off after; Utilize locked mode cylinder 14 to open the metal product that dynamic model takes out moulding; And put into new metal stock from above, roll back original position under the bar that shoots material, for melting die cast process is next time prepared.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within characteristic of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. vacuum melting die casting equipment, it comprises: smelting apparatus, material injection device, first drive unit, formed product mould, second drive unit; Said first drive unit can drive material injection device and in smelting apparatus, move back and forth, and is used for metal stock is sent into smelting apparatus or the metal liquid after the melting is pushed to the formed product mould; Said smelting apparatus is tightly connected with first drive unit, formed product mould respectively; Said second drive unit is connected and can controls the switching of product forming molds tool with the formed product mould; It is characterized in that: said smelting apparatus is included as melting provides the vacuum drum of vacuum environment, be arranged in material pipe that vacuum drum inside is used to place metal stock, be positioned at the outside radio-frequency induction coil that contacts with vacuum drum and can heat the metal stock that material is managed of vacuum drum.
2. vacuum melting die casting equipment according to claim 1 is characterized in that: said formed product mould is positioned at above the smelting apparatus, and said material injection device can push away molten condition metal stock to the formed product mould in the feed pipe from bottom to top.
3. vacuum melting die casting equipment according to claim 2 is characterized in that: said first drive unit and second drive unit all adopt air cylinder driven.
4. vacuum melting die casting equipment according to claim 3 is characterized in that: said vacuum drum is provided with at least one pore.
5. vacuum melting die casting equipment according to claim 4 is characterized in that: said material injection device comprises shoot material bar and position piston on it, leaves the space between said piston and the material inside pipe wall, and gap length is the 0.05-0.1 millimeter.
6. vacuum melting die casting equipment according to claim 5; It is characterized in that: said formed product mould comprises fixed half and moving half; Wherein cover half is connected with smelting apparatus, and dynamic model is connected with second drive unit, and second drive unit can drive dynamic model and move up and down the formed product mould is opened and closed.
7. vacuum melting die casting equipment according to claim 6; It is characterized in that: be provided with below the said vacuum drum and support and the fixing base plate of vacuum drum; Be connected with the gripper shoe that supports cover half above the vacuum drum, all seal between vacuum drum and base plate, vacuum drum and the gripper shoe with cushion rubber hydrostatic seal or metal.
8. vacuum melting die casting equipment according to claim 7 is characterized in that: said first drive unit comprises cylinder and cylinder rod, adopts cushion rubber to carry out movable sealing between the cylinder rod of the said base plate and first drive unit.
9. vacuum melting die casting equipment according to claim 8 is characterized in that: said material pipe is fastened on the said gripper shoe through bolt.
10. vacuum melting die casting equipment according to claim 9 is characterized in that: said vacuum drum outside is provided with the water cooling plant that vacuum drum is lowered the temperature and cooled off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105288286A CN102451898A (en) | 2010-10-30 | 2010-10-30 | Vacuum melting die-casting equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105288286A CN102451898A (en) | 2010-10-30 | 2010-10-30 | Vacuum melting die-casting equipment |
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| CN102451898A true CN102451898A (en) | 2012-05-16 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103639387A (en) * | 2013-12-20 | 2014-03-19 | 东莞宜安科技股份有限公司 | Metal vacuum melting die-cast formation equipment |
| CN104368782A (en) * | 2013-08-14 | 2015-02-25 | 增城市运豪五金塑料有限公司 | Integrated induction heating metal melting and fluidizing device of die-casting machine |
| WO2015058611A1 (en) * | 2013-10-23 | 2015-04-30 | Byd Company Limited | Metal forming apparatus |
| WO2015078208A1 (en) * | 2013-11-30 | 2015-06-04 | 中国科学院金属研究所 | Device and process for casting forming of amorphous alloy component |
| CN105722623A (en) * | 2014-06-26 | 2016-06-29 | 高东瑾 | Apparatus and method for melting and molding metal in vacuum environment |
| CN105842031A (en) * | 2016-05-09 | 2016-08-10 | 上海大学 | Preparation equipment for high-throughput experiment samples |
| CN106424634A (en) * | 2016-09-30 | 2017-02-22 | 张斌 | Vacuum melting moulding equipment for amorphous metal and use method of vacuum melting moulding equipment |
| US9821370B2 (en) | 2014-07-10 | 2017-11-21 | Dong Keun Go | Mold device for forming metal in high-level vacuum environment |
| US9968997B2 (en) | 2013-10-23 | 2018-05-15 | Byd Company Limited | Metal forming apparatus |
| CN110385419A (en) * | 2018-04-19 | 2019-10-29 | 恩格尔奥地利有限公司 | Melt element and injecting unit and molding machine for molding machine |
| CN111690832A (en) * | 2020-08-02 | 2020-09-22 | 李碚 | Cold crucible induction melting-die casting device and method for preparing block amorphous material |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2399132Y (en) * | 1999-12-24 | 2000-10-04 | 中国科学院金属研究所 | Vacuum pressure casting large non-crystal alloy appts. |
| CN1539576A (en) * | 2003-04-23 | 2004-10-27 | 山田藤夫 | Appts and method for smelting material |
| WO2004105979A2 (en) * | 2003-06-03 | 2004-12-09 | Dong Keun Go | Die casting machine and casting method by thereof machine |
| CN1733392A (en) * | 2004-08-11 | 2006-02-15 | 杨然森 | Warm house low pressure casting method for alloy casting and casting machine thereof |
| US20060278362A1 (en) * | 2005-06-09 | 2006-12-14 | Ngk Insulators, Ltd. | Diecast machine |
| CN2878025Y (en) * | 2006-03-15 | 2007-03-14 | 黄荣堂 | High cycle heating mould |
| US20070215306A1 (en) * | 2005-06-09 | 2007-09-20 | Ngk Insulators, Ltd. | Diecast machine and diecast method |
| CN101274361A (en) * | 2008-05-08 | 2008-10-01 | 南昌航空大学 | Low speed vacuum squeeze casting technology |
| CN101293277A (en) * | 2008-06-13 | 2008-10-29 | 清华大学 | Pressure difference injection moulding method and equipment for amorphous magnesium alloy |
| CN201231307Y (en) * | 2008-07-17 | 2009-05-06 | 比亚迪股份有限公司 | Vacuum material-discharging device and die-casting machine with the vacuum material-discharging device |
-
2010
- 2010-10-30 CN CN2010105288286A patent/CN102451898A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2399132Y (en) * | 1999-12-24 | 2000-10-04 | 中国科学院金属研究所 | Vacuum pressure casting large non-crystal alloy appts. |
| CN1539576A (en) * | 2003-04-23 | 2004-10-27 | 山田藤夫 | Appts and method for smelting material |
| WO2004105979A2 (en) * | 2003-06-03 | 2004-12-09 | Dong Keun Go | Die casting machine and casting method by thereof machine |
| CN1733392A (en) * | 2004-08-11 | 2006-02-15 | 杨然森 | Warm house low pressure casting method for alloy casting and casting machine thereof |
| US20060278362A1 (en) * | 2005-06-09 | 2006-12-14 | Ngk Insulators, Ltd. | Diecast machine |
| US20070215306A1 (en) * | 2005-06-09 | 2007-09-20 | Ngk Insulators, Ltd. | Diecast machine and diecast method |
| CN2878025Y (en) * | 2006-03-15 | 2007-03-14 | 黄荣堂 | High cycle heating mould |
| CN101274361A (en) * | 2008-05-08 | 2008-10-01 | 南昌航空大学 | Low speed vacuum squeeze casting technology |
| CN101293277A (en) * | 2008-06-13 | 2008-10-29 | 清华大学 | Pressure difference injection moulding method and equipment for amorphous magnesium alloy |
| CN201231307Y (en) * | 2008-07-17 | 2009-05-06 | 比亚迪股份有限公司 | Vacuum material-discharging device and die-casting machine with the vacuum material-discharging device |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104368782A (en) * | 2013-08-14 | 2015-02-25 | 增城市运豪五金塑料有限公司 | Integrated induction heating metal melting and fluidizing device of die-casting machine |
| WO2015058611A1 (en) * | 2013-10-23 | 2015-04-30 | Byd Company Limited | Metal forming apparatus |
| US9968996B2 (en) | 2013-10-23 | 2018-05-15 | Byd Company Limited | Metal forming apparatus |
| US9968997B2 (en) | 2013-10-23 | 2018-05-15 | Byd Company Limited | Metal forming apparatus |
| WO2015078208A1 (en) * | 2013-11-30 | 2015-06-04 | 中国科学院金属研究所 | Device and process for casting forming of amorphous alloy component |
| CN103639387B (en) * | 2013-12-20 | 2016-02-24 | 东莞宜安科技股份有限公司 | A kind of metal vacuum melting die-cast formation equipment |
| CN103639387A (en) * | 2013-12-20 | 2014-03-19 | 东莞宜安科技股份有限公司 | Metal vacuum melting die-cast formation equipment |
| CN105722623B (en) * | 2014-06-26 | 2018-05-01 | 高东瑾 | Under vacuum conditions metal melting and molding device and method |
| CN105722623A (en) * | 2014-06-26 | 2016-06-29 | 高东瑾 | Apparatus and method for melting and molding metal in vacuum environment |
| US9821370B2 (en) | 2014-07-10 | 2017-11-21 | Dong Keun Go | Mold device for forming metal in high-level vacuum environment |
| CN105842031A (en) * | 2016-05-09 | 2016-08-10 | 上海大学 | Preparation equipment for high-throughput experiment samples |
| CN105842031B (en) * | 2016-05-09 | 2019-04-16 | 上海大学 | The Preparation equipment of high-throughput laboratory sample |
| CN106424634A (en) * | 2016-09-30 | 2017-02-22 | 张斌 | Vacuum melting moulding equipment for amorphous metal and use method of vacuum melting moulding equipment |
| CN106424634B (en) * | 2016-09-30 | 2018-05-29 | 张斌 | A kind of amorphous metal vacuum melting former and its application method |
| CN110385419A (en) * | 2018-04-19 | 2019-10-29 | 恩格尔奥地利有限公司 | Melt element and injecting unit and molding machine for molding machine |
| CN111690832A (en) * | 2020-08-02 | 2020-09-22 | 李碚 | Cold crucible induction melting-die casting device and method for preparing block amorphous material |
| CN111690832B (en) * | 2020-08-02 | 2021-07-06 | 李碚 | Cold crucible induction melting-die casting device and method for preparing block amorphous material |
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Application publication date: 20120516 |