CN201241177Y - Refusion heating device for aluminum alloy thixotropy machining - Google Patents
Refusion heating device for aluminum alloy thixotropy machining Download PDFInfo
- Publication number
- CN201241177Y CN201241177Y CNU2008203006387U CN200820300638U CN201241177Y CN 201241177 Y CN201241177 Y CN 201241177Y CN U2008203006387 U CNU2008203006387 U CN U2008203006387U CN 200820300638 U CN200820300638 U CN 200820300638U CN 201241177 Y CN201241177 Y CN 201241177Y
- Authority
- CN
- China
- Prior art keywords
- induction heating
- thixotropic
- blank
- trolley
- heating coil
- 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.)
- Expired - Lifetime
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 59
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 12
- 238000003754 machining Methods 0.000 title 1
- 230000006698 induction Effects 0.000 claims abstract description 26
- 230000009974 thixotropic effect Effects 0.000 claims abstract description 19
- 239000010935 stainless steel Substances 0.000 claims abstract description 14
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 10
- 239000011819 refractory material Substances 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 238000005266 casting Methods 0.000 description 4
- 238000005242 forging Methods 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000033764 rhythmic process Effects 0.000 description 2
- 238000010301 surface-oxidation reaction Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000555268 Dendroides Species 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000005555 metalworking Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- General Induction Heating (AREA)
Abstract
本实用新型属于金属加工技术领域，特别涉及到一种触变加工用重熔加热设备。该设备包括感应加热电源和坯料加热、运载系统两部分。1～4组1～2米长的感应加热线圈在同一水平面上互相平行布置，感应加热线圈之间互相串联。感应加热线圈各部分疏密一致。感应加热线圈内设置滑道，滑道由1～4根不锈钢管构成，不锈钢管内通水冷却，不锈钢管直径5～20mm。滑道上放置运载触变坯料的小车，小车由耐火材料加工而成，可在气缸等装置推动下在滑道上自由滑行。小车长度为触变坯料长度的1.2～2倍，其放置的水平高度需保证触变坯料位于感应加热线圈的中心轴线位置。每个感应加热线圈的一端都设有气缸等推动装置，推动气缸等装置行程为运载小车长度的1.5～2.5倍。气缸等推动装置直接推动运载小车在感应加热线圈内运行，触变坯料放置于运载小车上，气缸等推动装置及滑道不直接与触变坯料发生作用。其优点在于：能够满足铝合金触变坯料既需要加热迅速又要求温度均匀的要求，同时具有操作安全、运行稳定、工艺可控性强的优点。
The utility model belongs to the technical field of metal processing, in particular to a remelting heating device for thixotropic processing. The equipment includes induction heating power supply, billet heating and carrying system. 1 to 4 groups of 1 to 2 meter long induction heating coils are arranged parallel to each other on the same horizontal plane, and the induction heating coils are connected in series. The density of each part of the induction heating coil is consistent. The induction heating coil is equipped with a slideway, which is composed of 1 to 4 stainless steel tubes, and the stainless steel tubes are cooled by water, and the diameter of the stainless steel tubes is 5-20mm. A trolley carrying thixotropic blanks is placed on the slideway. The trolley is made of refractory materials and can slide freely on the slideway under the push of cylinders and other devices. The length of the trolley is 1.2 to 2 times the length of the thixotropic billet, and the level of its placement must ensure that the thixotropic billet is located at the central axis of the induction heating coil. One end of each induction heating coil is provided with a driving device such as a cylinder, and the stroke of the driving device such as the cylinder is 1.5 to 2.5 times the length of the carrying trolley. Propelling devices such as cylinders directly push the carrying trolley to run in the induction heating coil, the thixotropic blank is placed on the carrying trolley, and the propelling devices such as cylinders and the slideway do not directly interact with the thixotropic blank. Its advantage is that it can meet the requirements of rapid heating and uniform temperature for the aluminum alloy thixotropic blank, and has the advantages of safe operation, stable operation and strong process controllability.
Description
Technical field
The utility model belongs to the metalworking technology field, specially refers to a kind of aluminium alloy thixotroping processing remelting heating installation.
Background technology
Thixotroping processing is a kind of novel method that shapes between traditional solid-state processing technology (as rolling, extruding, forging etc.) and liquid forming technique (as casting etc.).The technical characterictic of its core comprises: 1) shape temperature between the solid-liquid phase line temperature; 2) grain form is different from the dendroid grain form in the general solidified structure, but shows as non-dendritic, subglobose grain form.Owing to have an above feature, the thixotroping processing technology has that casting flaw is few, void content is low, is easy to shape, die life advantages of higher.These advantages make thixotroping processing compare at cost, aspect of performance with tradition methods of shaping such as forging, die casting all to have suitable competitive edge.In addition, thixotroping processing technology also is with a wide range of applications at the direct near-net-shape of casting and forging, deforming alloy, the aspects such as castability of the difficult casting alloy of improvement.
The thixotroping processing technology can be divided into three phases on technology: the preparation that 1) has the alloy billet (being called for short the thixotroping blank) of thixotropic behavior; 2) remelting heating; 3) thixotroping processing.Usually the requirement to thixotroping blank remelting heating process is: 1) the thixotroping blank of process remelting heating is inside and outside, upper and lower temperature difference should be even as far as possible, to avoid in the follow-up thixotroping course of processing owing to mobile difference causes phenomenons such as Solid-Liquid Separation, also can avoid simultaneously remelting heating back to produce defectives such as " resembling foot ", bring difficulty for the clamping carrying of thixotroping blank; 2) the used time of remelting heat-processed should be short as far as possible, farthest avoiding the thixotroping blank to produce surface oxidation in post bake process and nascent a crystal grain is too grown up, the final performance of thixotroping workpiece had a negative impact; 3) provide excellent microtexture basis for follow-up thixotroping processing.Based on above processing requirement, how to design the important research direction that a kind of device that can satisfy the requirement of above-mentioned remelting heating process becomes thixotroping processing technology industrial application.
Summary of the invention
The purpose of this utility model provides a kind of multi-work-station remelting heating installation, and this equipment can guarantee to be heated that thixotroping blank internal-external temperature difference is little, rhythm of production and following process are complementary.
For achieving the above object, the utility model is taked following design:
The selection of heating means mainly consider temperature distribution whether evenly, heat-up time and the controllability of heat-processed and the stability of temperature etc.The utility model is selected induction heating mode for use.The heat of induction heating is inner that directly produce rather than import into from the outside at blank, can reach very high heat-up rate, and radial temperature difference is less; Because heating is fast, the blank surface oxidation is less, general undesirable gas protection.Induction heater is simple in structure, and labor condition is good.
It is that load coil is horizontally disposed that the basic structure form adopts horizontal type structure, and the thixotroping blank only moves in the horizontal direction, and this structure is compared advantage such as have the stabilization of equipment performance height, process controllability is strong with general vertical structure.
The remelting heating installation is used in aluminium alloy thixotroping processing in the utility model, it is characterized in that:
1) this equipment mainly is made up of induction heating power and blank heating, delivery system two portions;
2) load coil is horizontally disposed, and the thixotroping blank only can move in the horizontal direction;
3) series connection mutually between the load coil, layout parallel to each other on same horizontal plane, all load coil density unanimities;
4) quantity of load coil is 1～4, and the length of each load coil is 1～2 meter;
5) in the load coil slideway is set, slideway is made of 1～4 stainless steel tube, water flowing cooling in the stainless steel tube, stainless steel tube diameter 5～20mm; Place the dolly of delivery thixotroping blank on the slideway, dolly is processed by refractory materials, can be under external force such as cylinder promote on slideway art skating; Dolly length is 1.2～2 times of thixotroping charge length, and the level height of its placement need guarantee that the thixotroping blank is positioned at the central axis position of load coil;
6) end of each load coil all is provided with thrust units such as cylinder, and device strokes such as promotion cylinder are 1.5～2.5 times of delivery dolly length; Thrust units such as cylinder directly promote to deliver dolly and move in load coil, and the thixotroping blank is positioned on the delivery dolly, thrust unit such as cylinder and slideway directly and the thixotroping blank have an effect.
The remelting heating installation is used in above-mentioned aluminium alloy thixotroping processing, and wherein: induction heating power can be selected thyristor supply or IGBT power supply, and power frequency is 300～2500Hz, power 50～300KW.
The remelting heating installation is used in above-mentioned aluminium alloy thixotroping processing, and wherein: load coil can be designed as circle according to the thixotroping blank shape, also can be designed to oval or square.
The remelting heating installation use in above-mentioned aluminium alloy thixotroping processing, wherein: deliver the slip of dolly on slide rail and can adopt any one realization in pneumatic, hydraulic pressure, the electronic mode.
The utility model has the advantages that:
1, with resistive heating relatively, have the heating efficiency height, avoid characteristics such as crystal grain is thick; Have efficient height and the uniform characteristics of Heating temperature more again with single station induction heating equipment;
2, the sense heater coil adopts horizontal positioned, and a plurality of load coils are arranged in parallel; All load coil density unanimities promptly adopt permanent power heating, have and operate steadily, the characteristics that process controllability is strong.
Description of drawings
Fig. 1 is the synoptic diagram of the utility model thixotroping processing with remelting heating installation blank heating, delivery system.
1. first groups of load coils among the figure, 2. second group of load coil, 3. load coil, 4. cylinder, 5. thixotroping blank, 6. stainless steel tube guide rail, 7. delivery dolly, 8. push pedal, 9. cylinder rod.
Concrete embodiment
As shown in Figure 1, thixotroping processing mainly is made up of several parts such as 1～4 group of load coil 3, cylinder 4, stainless steel tube guide rail 6 and delivery dollies 7 with the remelting heating installation in the utility model.Thixotroping blank 5 places delivery dolly 7 middle parts, first delivery dolly 7 that will have a thixotroping blank 5 places on the stainless steel guide rail 6 before 1 push pedal 8 of first group of load coil, arrive the scheduled time, cylinder 4 actions, the delivery dolly 7 that will have thixotroping blank 5 by cylinder rod 9 and the push pedal 8 of being fixed in cylinder rod 9 front ends pushes load coil 3 beginning heat-processedes.After cylinder 4 was finished and released action, inside cylinder bar 9 resetted in 1～10 second.After cylinder rod resets, second delivery dolly that will have a thixotroping blank places on the stainless steel guide rail 6 before the push pedal 8, arrive the scheduled time, cylinder 4 actions, second delivery dolly 7 that will have the thixotroping blank pushes load coil 3 beginning heat-processedes, and second delivery dolly promotes first delivery dolly along the distance of stainless steel guide rail 6 to a delivery dolly of front slide length simultaneously.Circulation and so forth, be pushed out first group of load coil until first delivery dolly that has the thixotroping blank, first delivery dolly that will be had the thixotroping blank by artificial or mechanical manipulator changes the guide rail of second group of load coil over to, finishes same working cycle.Load coil can have 1～4 group according to arts demand.Press from both sides away by clamping device after the thixotroping blank that reaches preset temperature is pushed out load coil, carry out thixotroping processing.
For the A390 alloy, liquidus temperature is 650 ℃, and solidus temperature is 510 ℃, thixotroping blank diameter 76mm, and height 20mm requires heating efficiency and hydropress rhythm of production to be complementary, and reaches 30 seconds/part.Remelting heating installation heater coil adopts the coiling of 14 * 16mm flat copper pipe, internal coil diameter 100mm, every group of load coil length 700mm, totally 2 groups of load coils.Delivery dolly length 100mm.Cylinder is whenever finished 7 times and is released action, finishes the heat-processed of a thixotroping blank in one group of load coil.Each heated total time of thixotroping blank is 420 seconds, has 14 thixotroping blanks to be arranged in load coil all the time in the heat-processed continuously and is heated simultaneously, had a thixotroping blank to finish heat-processed in per 30 seconds.Heating efficiency is 30 a seconds/part in the present embodiment, 575 ℃ of semi-solid temperature, internal-external temperature difference ± 3 ℃.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203006387U CN201241177Y (en) | 2008-04-28 | 2008-04-28 | Refusion heating device for aluminum alloy thixotropy machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203006387U CN201241177Y (en) | 2008-04-28 | 2008-04-28 | Refusion heating device for aluminum alloy thixotropy machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201241177Y true CN201241177Y (en) | 2009-05-20 |
Family
ID=40714472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008203006387U Expired - Lifetime CN201241177Y (en) | 2008-04-28 | 2008-04-28 | Refusion heating device for aluminum alloy thixotropy machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201241177Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102310188A (en) * | 2011-08-30 | 2012-01-11 | 江苏大学 | Method and device for continuously producing surface layer hardened aluminum fasteners |
| CN109416221A (en) * | 2017-06-07 | 2019-03-01 | 感应加热有限公司 | The trackless support of blank in electrical induction coil |
| CN110904398A (en) * | 2018-09-14 | 2020-03-24 | 平高集团有限公司 | Surface treatment method and treatment device for aluminum alloy conductor in switch equipment |
-
2008
- 2008-04-28 CN CNU2008203006387U patent/CN201241177Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102310188A (en) * | 2011-08-30 | 2012-01-11 | 江苏大学 | Method and device for continuously producing surface layer hardened aluminum fasteners |
| CN109416221A (en) * | 2017-06-07 | 2019-03-01 | 感应加热有限公司 | The trackless support of blank in electrical induction coil |
| CN109416221B (en) * | 2017-06-07 | 2021-04-13 | 感应加热有限公司 | Trackless support for billets in electric induction heating coils |
| CN110904398A (en) * | 2018-09-14 | 2020-03-24 | 平高集团有限公司 | Surface treatment method and treatment device for aluminum alloy conductor in switch equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104162555B (en) | A semi-solid thixotropic-plastic composite forming method | |
| CN100469472C (en) | Double-layer composite pipe semi-solid multi-blank extrusion forming process and its device | |
| US9393613B2 (en) | Method for manufacturing hollow ingot for retaining ring of large generator by electroslag remelting | |
| JPS6040640A (en) | Device and method of manufacturing formed metallic part | |
| CN203610629U (en) | Gas-protected crystallizer for horizontal continuous casting of copper tubes | |
| CN102829657B (en) | Producing method of high temperature resistant sintered heat tube | |
| CN106269874A (en) | A kind of electro plasticity cross wedge rolling machine | |
| CN103691901B (en) | Cored crystallizer for upwardly drawing continuous casting copper tubes and method for manufacturing high-performance copper alloy tubes | |
| CN103157692A (en) | Preparation method for zinc-based alloy specially-shaped tube | |
| CN201241177Y (en) | Refusion heating device for aluminum alloy thixotropy machining | |
| CN100450670C (en) | Semi-solid state flexible extrusion molding technique for shaped complex parts | |
| CN103341724A (en) | Process of producing nuclear power plant main pipeline forge piece through centrifugal casting hollow ingot | |
| CN201225820Y (en) | Vertical apparatus for secondarily heating semi-solid-state metal blank | |
| CN203610633U (en) | Cored crystallization system for up-drawing continuous casting of copper tubes and copper alloy tubes | |
| CN105033212A (en) | Crystallizer for continuous casting of titanium alloy pipe | |
| CN100493754C (en) | Diffusion bonding continuous extrusion method of magnesium alloy wire | |
| CN101612638A (en) | Horizontal type device for reheating semi-solid metal blank material | |
| CN103170602A (en) | Preparation method of Titanium-Copper (Ti-Cu) type titanium alloy semi-solid blank | |
| CN103231032A (en) | Vacuum continuous casting device and method for alloy billets | |
| CN210548006U (en) | Water-cooling dummy ingot plate for electroslag continuous stripping hollow steel ingot | |
| CN101716674A (en) | Secondary heating technique in hypereutectic aluminum-silicon alloy semi-solid thixoforming process | |
| CN103857088B (en) | Semisolid metal blank Full-automatic continuous second heating apparatus | |
| CN104264089A (en) | Process for preparing semisolid aluminum alloy blank by compounding electromagnetic molding and secondary remelting | |
| CN203537590U (en) | Semi-solid metal blank full-automatic continuous secondary heating device | |
| CN105344725A (en) | Drawing, expanding and follow-up heating device of cold-drawing unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING GENERAL RESEARCH INSTITUTE FOR NONFERROUS Free format text: FORMER OWNER: SKYQIHUA (BEIJING) NEW MATERIAL COMPANY LIMITED Effective date: 20110324 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100088 1/F (DESHENG PARK), BUILDING 10, MADIAN SOUTH VILLAGE, XICHENG DISTRICT, BEIJING TO: 100088 NO. 2, XINJIEKOU OUTER STREET, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110324 Address after: 100088, 2, Xinjie street, Beijing Patentee after: General Research Institute for Nonferrous Metals Address before: 100088, Beijing, Madian, Xicheng District village, No. 10 building, floor (Desheng Park) Patentee before: SkyQiHua (Beijing) New Material Company Limited |
|
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xu Jun Inventor after: Shi Likai Inventor after: Zhang Zhifeng Inventor before: Li Bo |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LI BO TO: XU JUN SHI LIKAI ZHANG ZHIFENG |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090520 |
|
| CX01 | Expiry of patent term |