CN201693150U - Shuttling magnesium alloy semisolid former - Google Patents
Shuttling magnesium alloy semisolid former Download PDFInfo
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- CN201693150U CN201693150U CN2010201426808U CN201020142680U CN201693150U CN 201693150 U CN201693150 U CN 201693150U CN 2010201426808 U CN2010201426808 U CN 2010201426808U CN 201020142680 U CN201020142680 U CN 201020142680U CN 201693150 U CN201693150 U CN 201693150U
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- magnesium alloy
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- casting machine
- heating clamber
- induction heating
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Abstract
The utility model relates to a shuttling magnesium alloy semisolid former comprising a die casting machine and a sensing heater, wherein the sensing heater comprises a plurality of heating chambers; and when in injection state, one of the heating chambers is matched and connected with the casting chamber of the die casting machine at the injection position and is coaxial with an injection piston. The two sides of each heating chamber are provided with sealing heat-insulation baffles which are held still and provided with injection ports and feeding ports. The power of the heating chambers is independent and adjustable. The shuttling magnesium alloy semisolid has the advantages of omitting the heat-insulation conveying process, simplifying devices, being simple in process, saving energy resources, reducing heat loss, being not easy to oxidize, improving production efficiency, and ensuring the quality and stability of products. The forming capability of video, thixotropy and temperature detection devices can be comprehensively, intuitively, precisely and effectively controlled in an online manner.
Description
Technical field
The utility model relates to a kind of semisolid state forming device, particularly magnesium alloy and aluminium alloy semi-solid building mortion.
Background technology
Magnesium is as the lightest engineering metal material (density 1.8g/cm
3Be 2/3 of aluminium, steel 1/4), has the character that light specific gravity, specific strength and specific stiffness height, damping and amortization and machinability are good, thermal conductivity is good, the electromagnetic shielding ability strong and be easy to a series of uniquenesses such as reclaiming, can satisfy Aeronautics and Astronautics, Hyundai Motor industry to loss of weight, requirements of saving energy, and alternative engineering plastics make the housing and the structural member of electronic equipment, to satisfy light, thin, the miniaturization of product, requirement such as high integration and environmental protection improves the using energy source benefit.
And magnesium alloy easily produces defectives such as pore, shrinkage porosite and hot tearing when conventional die casting.The semisolid casting forming is a kind of new short flow process forming technique that development in recent years is got up.Before metal paste fills type, form the solid phase about half, had the oxidation that can alleviate alloy and wrap up in gas, reduced solidification shrinkage and make advantages such as even tissue, densification, and be easy to the part of forming shape complexity and precision size.The semisolid cast temperature is lower than conventional cast temperature, and surperficial no liquid reduces and pollutes, and energy savings reduces cost.
But existing magnesium alloy, aluminium alloy semi-solid extrusion process are all complicated, production cost is higher, in actual production process, still there is limitation, as: the semi-solid blank heating is to separate with press casting procedure, promptly all needs a transporter, so that the semi-solid blank that heats is delivered to die casting machine pressure injection chamber smoothly, and transporter is generally all complicated, be difficult for realizing, and semi-solid blank thermal loss in the process of transhipment is bigger, technological parameter is wayward.On the one hand, have certain liquid phase in the semi-solid blank, blank is difficult to keep original shape in the transport process, causes technology stability and structural homogenity to reduce, and is prone to defective such as gas enclosure.On the other hand, semi-solid blank contains a certain amount of solid, accurately is transported to the pressure injection chamber of die casting machine for guaranteeing semi-solid blank, and the cast gate of pressure injection chamber cast gate during than conventional die casting is big.Therefore, the injection stroke of die casting machine need extend to adapt to the cast gate of increasing; Pressure injection chamber diameter also will strengthen the semi solid slurry that increases to adapt to.Therefore, for same injection weight, it is big that the shot piston diameter is wanted usually, and the shot piston diameter of increase has reduced the pressure to alloy blank, therefore needs to increase the ability of injection system.Die casting equipment of a high price is revised, and adds the challenge and the high alloy restriction of solid content of intrinsic fluid mobility, makes these semisolid technologies can not become the desirable production technology of most of die casting manufacturer.
The utility model content
The purpose of this utility model is to overcome the deficiency of above-mentioned semisolid extrusion process, a kind of semisolid state forming device is provided, heating clamber directly is connected with die casting machine pressure injection chamber, realize that semi-solid blank heats and die casting is carried out synchronously, transporter in the middle of saving is simplified technology, energy savings, reduce cost, improve the quality of products and stability.
Technical solution of the present utility model is achieved in that
A kind of shuttle type magnesium alloy semi solid state building mortion comprises die casting machine and induction heating apparatus, and described induction heating apparatus comprises a plurality of heating clambers, it is characterized in that:
Described single heating clamber internal diameter and die casting machine press indoor footpath and shot piston external diameter to mate one by one, and press chamber, each heating clamber and shot piston to put at described die casting machine to be respectively equipped with positioner; Under the injection state, one of heating clamber just is connected in its injection position with die casting machine pressure chamber, and coaxial with shot piston.
Described induction heating apparatus both sides are provided with sealing insulation baffle plate, and the relative pedestal of described baffle plate maintains static, and corresponding injection position and heating clamber are offered injection mouth and charging aperture respectively on it, and described charging aperture double as removes cinder notch.
Described a plurality of heating clamber power is independent adjustable.
Described heating clamber top connects video, thixotropy and temperature-detecting device, so as comprehensively, intuitively, accurately, On-line Control forming ability effectively.
Described induction heating apparatus can be translation shuttle type induction heating apparatus, and a plurality of heating clambers are arranged in a row side by side, can move back and forth, and the period of motion and die casting machine productive temp are synchronous.
Described induction heating apparatus also can be rolling shuttle type induction heating apparatus, and a plurality of heating clambers are lined up a curved surface, and heating clamber moves back and forth along curved surface, and the period of motion and die casting machine productive temp are synchronous.
Utilize above-mentioned shuttle type magnesium alloy semi solid state building mortion to carry out the technology of semi-solid-state shaping, its step is as follows:
A) start induction heating apparatus, normal temperature or preheating alloy blank are put into the heating clamber of induction heating apparatus by charging aperture, it is mobile automatically that described induction heating apparatus press beat, then puts into alloy blank successively respectively by charging aperture in each heating clamber;
B) alloy blank in each heating clamber is warming up to semi solid zone successively;
C) casting forming is carried out in the heating clamber that the arrives semi solid zone injection position that moves to die casting machine in turn;
D) each injection is finished, and the heating clamber of described injection position moves to the charging aperture place automatically, continues to put into alloy blank again.
Described technical process is controlled in real time by video, thixotropy and temperature-detecting device.
Described semi-solid-state shaping technology, alloy blank are heated to semisolid can carry out die casting, saves the insulation course of conveying, simplifies technology, avoids oxidation, reduces thermal loss, improves quality of die casting.
Compared with prior art, the utlity model has following significant advantage:
1, described shuttle type magnesium alloy semi solid state building mortion adopts multistage rapid heating technology, and casting temperature is evenly distributed, and can shorten the production cycle, reduces heat loss and blank surface oxidation, enhances productivity.Multistage heating-up temperature is lower more than 100 ℃ than conventional cast temperature, surperficial no liquid, no gas (being harmful to) protection, whole process of production is pollution-free (dustless, smokeless, nontoxic, tasteless), energy-conserving and environment-protective.
2, described shuttle type induction heating apparatus, parallel-moving type no matter also or roller, all saves the insulation course of conveying, and simplification device is saved the energy, reduces thermal loss, enhances productivity, and guarantees product quality and stability.
3, video, thixotropy and temperature-detecting device can be comprehensively, intuitively, accurately, On-line Control forming ability effectively.
In a word, it is simple to the utlity model has technology, and parameter is easy to control, and the characteristics that yield rate is high can be widely used in the industrial production.
Description of drawings
Fig. 1 is the induction heating apparatus vertical view;
Fig. 2 is the induction heating apparatus profile;
Fig. 3 is the induction heating apparatus front apron;
Fig. 4 is the induction heating apparatus backboard;
Fig. 5 is the induction heating apparatus heating clamber;
Fig. 6 is the induction heating apparatus and the die casting machine location drawing.Among the figure,
1. induction heating apparatus 11. heating clambers 2. die casting machines 21. press chamber 22. shot piston, 31. charging apertures, 32. injection mouths, 33. air inlets, 34. videos monitoring mouthful 35. temperature detection mouths, 36. thixotropy to detect mouth
The specific embodiment:
Embodiment 1
Described shuttle type magnesium alloy semi solid state building mortion comprises die casting machine and induction heating apparatus, and described induction heating apparatus comprises a plurality of heating clambers; Described single heating clamber internal diameter and die casting machine press indoor footpath and shot piston external diameter to mate one by one, and press chamber, each heating clamber and shot piston to put at described die casting machine to be respectively equipped with positioner; Under the injection state, one of heating clamber just is connected in its injection position with die casting machine pressure chamber, and coaxial with shot piston, as shown in Figure 6.
Described induction heating apparatus both sides are provided with sealing insulation baffle plate, comprise front apron and backboard, respectively as shown in Figure 3 and Figure 4, the relative pedestal of described baffle plate maintains static, corresponding injection position and heating clamber are offered injection mouth and charging aperture respectively, described charging aperture double as removes cinder notch, in addition, also is provided with the video monitor mouth on the front apron; Offer air inlet on the backboard.
Described a plurality of heating clamber, as shown in Figure 2, its power is independent adjustable.
Described heating clamber top connects video, thixotropy and temperature-detecting device, as shown in Figure 5 so as comprehensively, intuitively, accurately, On-line Control forming ability effectively.
Described induction heating apparatus is a translation shuttle type induction heating apparatus, and as shown in Figure 1, a plurality of heating clambers are arranged in a row side by side, can move back and forth, and the period of motion and die casting machine productive temp are synchronous.
At induction heating apparatus heating clamber initial position, as shown in Figure 2, heating clamber a overlaps with charging aperture shown in Figure 3.
Technological parameter is as follows, adopts fixed heating frequently:
Each heating clamber power remains constant being: 21kw; DC current: 65A; DC voltage: 250V; Voltage of intermediate frequency: 360V; IF-FRE: 2650HZ; Alloy bar initial temperature: 450 ℃.
Concrete processing step is as follows:
AZ91D magnesium alloy bar is put into induction heating chamber a by charging aperture shown in Figure 3; By productive temp (48s), the heating clamber station that moves to left, this moment, heating clamber b shown in Figure 2 overlapped with charging aperture shown in Figure 3, still by charging aperture adding AZ91D magnesium alloy bar to heating clamber b; By productive temp (48s), the heating clamber station that moves to left again, this moment, heating clamber c shown in Figure 2 overlapped with charging aperture shown in Figure 3, by charging aperture adding AZ91D magnesium alloy bar to heating clamber c; The rest may be inferred, by productive temp (48s), AZ91D magnesium alloy bar is added among heating clamber d, the e successively; At this moment, heating clamber moves to low order end automatically, makes heating clamber a and salty the closing of injection (counting a station) shown in Figure 3, carries out injection and is shaped; Heating clamber is moved to the left a station again, gets back to initial position.
Embodiment 2
Used shuttle type magnesium alloy semi solid state building mortion is with embodiment 1, and induction heating apparatus heating clamber initial position: heating clamber a shown in Figure 2 overlaps with charging aperture shown in Figure 3.
Technological parameter is as follows, and is different with embodiment 1, adopts the frequency conversion heating:
With heating clamber a shown in Figure 2 is example: initial power: 30kw, heating clamber move a station power and reduce 5kw automatically, and this heating clamber power is got back to 30kw automatically after the injection, alloy bar initial temperature: 450 ℃.
Concrete processing step is as follows:
AZ91D magnesium alloy bar is put into induction heating chamber a by charging aperture shown in Figure 3; By productive temp (52s), the heating clamber station that moves to left, this moment, heating clamber b shown in Figure 2 overlapped with charging aperture shown in Figure 3, by charging aperture AZ91D magnesium alloy bar was added among the heating clamber b; By productive temp (52s), the heating clamber station that moves to left again, this moment, heating clamber c shown in Figure 2 overlapped with charging aperture shown in Figure 3, by charging aperture AZ91D magnesium alloy bar was added among the heating clamber c; The rest may be inferred, by productive temp (52s), AZ91D magnesium alloy bar added successively to heating clamber d, e; At this moment, heating clamber moves to low order end automatically, makes heating clamber a and salty the closing of injection (counting a station) shown in Figure 3, casting forming; Heating clamber is moved to the left a station again, gets back to initial position.
The above only is the preferable specific embodiment of the utility model, but protection domain of the present utility model is not limited thereto, such as, be used on the pipe fittings such as valve on the pipeline and non-pipeline on also belong to the row of protection.Anyly be familiar with those skilled in the art in the technical scope that the utility model discloses, be equal to according to the technical solution of the utility model and utility model design thereof and replace or change, all should be encompassed within the protection domain of the present utility model.
Claims (6)
1. a shuttle type magnesium alloy semi solid state building mortion comprises die casting machine and induction heating apparatus, and described induction heating apparatus comprises a plurality of heating clambers, it is characterized in that:
Described single heating clamber internal diameter and die casting machine press indoor footpath and shot piston external diameter to mate one by one, and press chamber, each heating clamber and shot piston to put at described die casting machine to be respectively equipped with positioner; Under the injection state, one of heating clamber just is connected in its injection position with die casting machine pressure chamber, and coaxial with shot piston.
2. shuttle type magnesium alloy semi solid state building mortion according to claim 1, it is characterized in that: described induction heating apparatus both sides are provided with sealing insulation baffle plate, the relative pedestal of described baffle plate maintains static, corresponding injection position and heating clamber are offered injection mouth and charging aperture respectively on it, and described charging aperture double as removes cinder notch.
3. shuttle type magnesium alloy semi solid state building mortion according to claim 2 is characterized in that: described a plurality of heating clamber power are independent adjustable.
4. shuttle type magnesium alloy semi solid state building mortion according to claim 3 is characterized in that: described heating clamber top connects video, thixotropy and temperature-detecting device.
5. according to the described arbitrary shuttle type magnesium alloy semi solid state building mortion of claim 1～4, it is characterized in that: described induction heating apparatus is a translation shuttle type induction heating apparatus, a plurality of heating clambers are arranged in a row side by side, can move back and forth, and the period of motion and die casting machine productive temp are synchronous.
6. according to the described arbitrary shuttle type magnesium alloy semi solid state building mortion of claim 1～4, it is characterized in that: described induction heating apparatus is a rolling shuttle type induction heating apparatus, a plurality of heating clambers are lined up a curved surface, heating clamber moves back and forth along curved surface, and the period of motion and die casting machine productive temp are synchronous.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201426808U CN201693150U (en) | 2010-03-22 | 2010-03-22 | Shuttling magnesium alloy semisolid former |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201426808U CN201693150U (en) | 2010-03-22 | 2010-03-22 | Shuttling magnesium alloy semisolid former |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201693150U true CN201693150U (en) | 2011-01-05 |
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ID=43394394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201426808U Expired - Fee Related CN201693150U (en) | 2010-03-22 | 2010-03-22 | Shuttling magnesium alloy semisolid former |
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| Country | Link |
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| CN (1) | CN201693150U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101875097A (en) * | 2010-03-22 | 2010-11-03 | 大连交通大学 | Semisolid state forming device and forming process |
-
2010
- 2010-03-22 CN CN2010201426808U patent/CN201693150U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101875097A (en) * | 2010-03-22 | 2010-11-03 | 大连交通大学 | Semisolid state forming device and forming process |
| CN101875097B (en) * | 2010-03-22 | 2012-06-13 | 大连交通大学 | Semisolid state forming device and forming process |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20120322 |