CN1272142C - Directly and fast forming method and device for polymetal based on welding amassed - Google Patents
Directly and fast forming method and device for polymetal based on welding amassed Download PDFInfo
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- CN1272142C CN1272142C CN 03134394 CN03134394A CN1272142C CN 1272142 C CN1272142 C CN 1272142C CN 03134394 CN03134394 CN 03134394 CN 03134394 A CN03134394 A CN 03134394A CN 1272142 C CN1272142 C CN 1272142C
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Abstract
The present invention relates to a direct and fast forming method and a device for polymetal based on welding accumulation. Arc welding heat source melting metal wire materials are adopted by the method to be accumulated. The flat surface and the contour of a layer sheet are processed by a high speed milling head to ensure the precision of a made member. The movement of a Three-dimensional working table is controlled by a digital control program to realize the geometric characteristics of a required part. The technology measures of the adaptive adjustment of a wire sending direction and temperature field improvement by an embedding medium are adopted in a forming process in order to enhance forming quality. A metal part which is formed by the method has the characteristics of low cost, compact tissue and high efficiency. The fast forming of a functional gradient structure metal part can be realized.
Description
One, technical field
The invention belongs to the manufacturing technology field, particularly a kind of direct rapid molding device of piling up based on welding of many metals.
Two, background technology
Shaping (RP) is a kind of brand-new manufacturing technology fast, its adopts material forming principle that adds up, need not cutter, frock and complicated technological preparation, can produce 3D solid by the three-dimensional CAD physical model fast with certain function, realized that really CAD/CAPP/CAM's is integrated, its outstanding advantage is the restriction that is not subjected to the part complexity, and part is complicated more, and its technical advantage is obvious more.Quick forming method commonly used at present has: photocuring method (Stereolithography), laminated solid body autofrettage (LOM), fusion sediment method (FDM), 3 D-printing method (3D-Print) and precinct laser sintering method (SLS).First three methods generally adopts photosensitive resin, paper and wax as moulding material, can not directly make metal parts; And precinct laser sintering method (SLS method) is though can make metal parts, but owing to the refractory metal powder is bonded to shape by binding agent or low-melting-point metal powder, through paying for the process of burning, the part dense structure property and the mechanical performance that are obtained are all undesirable again; And the method that adopts high power laser direct sintering metal powder material to be shaped, though can obtain the part of satisfactory mechanical property,, expensive cost of equipment and operating cost make it be difficult to apply in production reality.
Three, summary of the invention
The object of the present invention is to provide a kind of simple in structure, cost is low and can directly make the direct rapid molding device of piling up based on welding of many metals of the multiple material metal constitutional detail of high-performance dense structure.
In order to achieve the above object, the present invention utilizes melting welding power supply deposite metal matrix and fills metal wire material, by wire feeder metal wire material is sent in the arc light zone that produces between welding torch and the matrix, made a material fusing, three-dimensional working platform motion under digital control system control, make the molten drop pointwise of packing material become line, become face by line, after one deck forms, carry out this processing of face and profile layer by layer by milling head, after one deck was finished, the welding of following one deck was piled up; The diameter of the metal wire material that wire feeder is carried is less than 0.8mm; Milling head adopts the high speed milling head more than 20,000 rev/mins to carry out the processing of aspect and profile.
The numerical control rotary mechanism and the three-dimensional working platform that the inventive system comprises frame and be arranged on the upper and lower end of frame, be characterized in, in numerical control rotary mechanism, be respectively arranged with wire feeder that is used for transferring metal silk material and the welding gun that is connected with the melting welding power supply, said wire feeder and welding gun also are provided with milling head on frame between three-dimensional working platform and data slew gear.
Another characteristics of this device are: the melting welding power supply is an Arc Welding Power; Between three-dimensional working platform and welding gun, also be provided with the dielectric material of embedding welding zone; Dielectric material is liquid medium and solid dielectric; Liquid medium is light water, deionized water, emulsion; Solid dielectric material is resistant to elevated temperatures metal dust and ceramic powders.
Because the present invention sends into metal wire material in the arc light zone that produces between welding torch and the matrix, make a material fusing, profiled member moves under the control of three-dimensional working platform, makes the molten drop pointwise of packing material become line, becomes face by line, by the face adult.After one deck forms, carry out this processing of face and profile layer by layer, with the bonding precision of sheet layer by layer by milling head.
Four, description of drawings
Fig. 1 is the overall structure schematic diagram of apparatus of the present invention.
Five, the specific embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
Referring to Fig. 1, the present invention includes frame 9.Three-dimensional working platform is fixed on the lower end of frame 9 by a riser, and riser can be adjusted perpendicularity, and whole three-dimensional working platform 5 is equipped with balance weight, is subjected to the influence of gravity when alleviating workbench 5 elevating movements and to the flecition of riser.Three-dimensional working platform 5 can carry out the interlock of X-Y axle and the elevating movement of Z axle under digital control system control.Single line and the formation of synusia and the feed motion that synusia adds relative high speed milling head 8 in man-hour in the banking process mainly finished in the interlock of X-Y axle.Z axle motion mainly finish accumulation layer by layer and add man-hour Z to feed motion.Numerical control rotary mechanism 2 is installed in the upper end of frame 9, and can rotate.Wire feeder 6 and welding gun 7 are installed in the numerical control rotary mechanism 2, when welding is piled up, when the accumulation path was curve, numerical control rotary mechanism 2 drives wire feeders 6 and welding gun 7 is rotated, and the angle of adjusting wire feed is to guarantee that the wire feed direction is in the tangential direction of piling up the path.High speed milling head 8 is installed on the frame 9, and after one deck welding accumulation was finished, the XY motion of three-dimensional working platform 5 drove workpiece and carries out the processing of synusia and profile near high speed milling head 8, and after the completion of processing, three-dimensional working platform 5 drives workpiece 4
Be returned to welding and pile up the position, wait for the accumulation of one deck down.Melting welding power supply 1 is placed on frame one side, and ion gas, protection gas are connected with welding gun 7 by tracheae, by cable source current are transferred to welding gun 7.
The present invention utilizes melting welding power supply 1 deposite metal matrix 4 and fills metal wire material, the metal wire material of different materials is sent in the arc light zone that produces between welding gun 7 and the matrix by wire feeder 6, make a material fusing, three-dimensional working platform 5 is under digital control system control, and the geometric properties motion according to want formation of parts makes the molten drop pointwise of the metal material of filling become line, become face by line, after one deck forms, carry out this processing of face and profile layer by layer, with the bonding precision of face layer by layer by milling head 8.After one deck was finished, the welding of following one deck was piled up.For guarantee to weld droplet transfer in the banking process continuously and stable, wire feeder 6 is installed in the numerical control rotary mechanism 2, adjust the angle of wire feed according to the direction of filling track, the wire feed direction is overlapped with filling the tangential of track, stable to guarantee reaching continuously of molten bath, guarantee the width of single line and the accumulation precision of product.In the welding banking process, the stable of electric arc has direct influence to welding quality, in welding process, adopt dielectric material 3 will pile up the part embedding, can guarantee near the arc stability welding zone on the one hand, change the thermal field distribution of welding zone on the other hand by medium, thereby reduce the generation of welding deformation and postwelding residual stress.
The present invention can be used on the metal parts that fields such as machinery, automobile, space flight and aviation, instrument and meter are used for making metal die and have the function gradient structure requirement.
Claims (4)
1, a kind of direct rapid molding device of piling up based on welding of many metals, the numerical control rotary mechanism (2) and the three-dimensional working platform (5) that comprise frame (9) and be arranged on the upper and lower end of frame (9), it is characterized in that: in numerical control rotary mechanism (2), be respectively arranged with wire feeder (6) that is used for transferring metal silk material and the welding gun (7) that is connected with melting welding power supply (1), said wire feeder (6) and welding gun (7) are positioned between three-dimensional working platform (5) and the data slew gear (2), also are provided with milling head (8) on frame (9).
2, the direct rapid molding device of piling up based on welding of many metals according to claim 1, it is characterized in that: said melting welding power supply (1) is an Arc Welding Power.
3, the direct rapid molding device of piling up based on welding of many metals according to claim 1 is characterized in that: the said dielectric material (3) that also is provided with the embedding welding zone between three-dimensional working platform (5) and welding gun (7).
4, the direct rapid molding device of piling up based on welding of many metals according to claim 3, it is characterized in that: said dielectric material (3) is liquid medium and solid dielectric; Liquid medium is light water, deionized water, emulsion; Solid dielectric material is resistant to elevated temperatures metal dust and ceramic powders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03134394 CN1272142C (en) | 2003-07-11 | 2003-07-11 | Directly and fast forming method and device for polymetal based on welding amassed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03134394 CN1272142C (en) | 2003-07-11 | 2003-07-11 | Directly and fast forming method and device for polymetal based on welding amassed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1481972A CN1481972A (en) | 2004-03-17 |
| CN1272142C true CN1272142C (en) | 2006-08-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN 03134394 Expired - Fee Related CN1272142C (en) | 2003-07-11 | 2003-07-11 | Directly and fast forming method and device for polymetal based on welding amassed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1272142C (en) |
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| GB2429941B (en) * | 2005-09-08 | 2011-05-11 | Welding Alloys Ltd | Manufacture of hardfaced rollers and plates |
| CN101817121B (en) * | 2010-04-15 | 2012-03-28 | 华中科技大学 | Deposition forming composite manufacturing method of part and mould and auxiliary device thereof |
| CN102896173B (en) * | 2012-09-18 | 2014-08-27 | 华中科技大学 | Metamorphic forming device for additive manufacturing |
| CN105312570B (en) * | 2014-06-05 | 2017-09-26 | 华中科技大学 | A kind of increment manufacture method for part or mould |
| CN104148776B (en) * | 2014-08-12 | 2018-08-24 | 新疆大学 | The method of built-up welding forming metal parts based on metal powder support |
| CN104259352B (en) * | 2014-08-12 | 2017-01-25 | 华南理工大学 | Method for rapid prototyping by taking wire as raw material and rapid forming machine |
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| CN205129373U (en) * | 2015-10-30 | 2016-04-06 | 东莞市亚美精密机械配件有限公司 | Compound 3D printing apparatus of plasma melting and multiaxis milling process based on internet signal transmission |
| CN105772719B (en) * | 2016-01-06 | 2018-06-29 | 江苏烁石焊接科技有限公司 | A kind of silk-coaxial 3D printing the method for powder-gas-electric arc |
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| CN106141373A (en) * | 2016-07-18 | 2016-11-23 | 南京航空航天大学 | The electric arc 3D printing device of aluminum alloy junction component and Method of printing |
| CN106271411B (en) * | 2016-08-19 | 2018-08-14 | 赵晴堂 | The compound method for milling of metal material three-dimensional system |
| CN107377972A (en) * | 2017-07-19 | 2017-11-24 | 洛阳理工学院 | A kind of 3D printer using wire as raw material |
| CN107617856A (en) * | 2017-10-25 | 2018-01-23 | 扬州大学 | A kind of metal cladding repairs compound increasing material manufacturing method with border cutting |
| CN110370638B (en) * | 2019-07-29 | 2021-03-09 | 温州乐发教育科技有限公司 | Metamorphic forming device for additive manufacturing |
| CN110695478B (en) * | 2019-09-24 | 2022-07-19 | 大族激光科技产业集团股份有限公司 | Send a gas blowing device |
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2003
- 2003-07-11 CN CN 03134394 patent/CN1272142C/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN1481972A (en) | 2004-03-17 |
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