CN101691976B - Aluminum alloy snakelike flow channel evaporation plate and processing molding method thereof - Google Patents
Aluminum alloy snakelike flow channel evaporation plate and processing molding method thereof Download PDFInfo
- Publication number
- CN101691976B CN101691976B CN2009101910215A CN200910191021A CN101691976B CN 101691976 B CN101691976 B CN 101691976B CN 2009101910215 A CN2009101910215 A CN 2009101910215A CN 200910191021 A CN200910191021 A CN 200910191021A CN 101691976 B CN101691976 B CN 101691976B
- Authority
- CN
- China
- Prior art keywords
- aluminium alloy
- evaporation plate
- plate
- welding
- flow path
- 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 - Fee Related
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/084—Heat exchange elements made from metals or metal alloys from aluminium or aluminium alloys
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/12—Elements constructed in the shape of a hollow panel, e.g. with channels
- F28F3/14—Elements constructed in the shape of a hollow panel, e.g. with channels by separating portions of a pair of joined sheets to form channels, e.g. by inflation
Abstract
The invention provides an aluminum alloy snakelike flow channel evaporation plate and a processing molding method thereof. The evaporation plate adopts a high strength aluminum alloy plate and consists of an aluminum alloy upper plate, an aluminum alloy lower plate, an inlet pipe and an outlet pipe, wherein the two high strength aluminum alloy plates are overlapped and welded together by a solid-phase stir friction connecting method; the inlet pipe and the outlet pipe are inserted in the upper end and the lower end between the two high strength aluminum alloy plates and are connected with the high strength aluminum alloy evaporation plate body by using an electric arc welding method; and then the evaporation plate is finally molded through a mould and high-pressure bulging technology.
Description
Technical field
The present invention relates to welding technology field, particularly a kind of aluminium alloy serpentine flow path evaporation plate material and processing molding method thereof.
Background technology
Common serpentine flow path evaporation plate generally is to adopt 304 thick corrosion resistant plates of two 1～3mm of long 1.2～1.8m, wide 0.5～1.2m to be welded by the method for resistance seam welding, through gases at high pressure the aluminium alloy evaporation plate is carried out bulging, make it to be shaped to evaporation plate, allow refrigerant (as R-22 or ammonia) in hollow duct, flow with snakelike hollow duct.Because the welding bead on the serpentine flow path evaporation plate is many, distribution is close, the method sweating heat input of resistance seam welding is bigger, and because the stainless steel wire coefficient of expansion is big, thermal conductivity factor is low (about 17w/m * kJ), be easy to generate bigger welding residual stress during resistance welded, cause deforming easily and warpage after the serpentine flow path evaporation plate welding processing and in the use subsequently, therefore need to adopt a kind of welding method that is more suitable for to weld the serpentine flow path evaporation plate.
Aluminium alloy has unique physical and chemical performance, and its density is little, and resistivity is little, and linear expansion coefficient is little and thermal conductivity factor is big.The density of aluminium alloy is more much smaller than stainless steel, and the thermal conductivity ratio stainless steel is much bigger.Adopt aluminium alloy to replace stainless steel not only can alleviate the weight of serpentine flow path evaporation plate, more can reduce the generation of welding deformation, improve the operating efficiency of serpentine flow path evaporation plate.
Common aluminium alloy evaporation plate is by the concurrent flow evaporation plate of aluminium alloy extrusions through being welded, aluminium alloy extrusions wall thickness, shaping structures complexity, make that the weight of aluminium alloy concurrent flow evaporation plate is big, the consumption aluminum alloy materials is many, the cost height, and adopting the aluminium alloy evaporation plate quality less stable of conventional molten solder technological forming, the heat exchanger effectiveness of evaporation plate is not too high.
Friction stir welding is a kind of novel Solid-phase welding method, and the maximum temperature at its weld seam center only is 80% of a fusion temperature, so can not produce the weld defect relevant with metal molten during friction stir welding.Because the friction stir welding temperature is relatively low, the sweating heat input is less, welds the residual stress of back structure or is out of shape less.Simultaneously, friction stir welding is a kind of green welding method, reaches in the welding process little to the pollution of environment before the welding.Therefore, adopt friction stir welding to come machine-shaping serpentine flow path evaporation plate can reduce the sweating heat input, reduce welding residual stress, the welding deformation of control serpentine flow path evaporation plate, and agitating friction welding high efficiency, do not need other to fill scolder, environmental pollution is little, and economic benefit is higher.
By adopting high-strength aluminum alloy material and agitating friction welding processing molding method can solve serpentine flow path evaporation plate welding deformation and warpage issues effectively, make refrigerant and freezing machine oil flow even, unobstructed, improve the heat-exchange capacity of serpentine flow path evaporation plate, minimizing has crucial meaning to material, processing, waste of manpower resource for the sustainable economic development energy-conservation, that resource is friendly.
Summary of the invention
At existing serpentine flow path evaporation plate and machine-shaping technology above shortcomings thereof, the serpentine flow path evaporation plate and the processing molding method thereof that the purpose of this invention is to provide a kind of new material structure, particularly adopt novel high-strength aluminum alloy materials and version, replace the traditional stainless steel material and the version of aluminium alloy extrusions to design, processing, make the serpentine flow path evaporation plate, improve the work effect of serpentine flow path evaporation plate, alleviate the weight of serpentine flow path evaporation plate, reduce welding residual stress, reduce the distortion and the warpage that take place in welding deformation and the use, make the refrigerant channel in the serpentine flow path even, the refrigerant flow resistance is little, improves serpentine flow path evaporation plate cold-and-heat resistent and impacts and tired performance.
The object of the present invention is achieved like this: aluminium alloy serpentine flow path evaporation plate and processing molding method thereof, evaporation plate adopts high strength alumin ium alloy sheet material, constitute by upper plate, lower plate, inlet tube and outlet, two blocks of high strength alumin ium alloy plates weld together by the solid phase friction stir connecting method is overlapping, inlet tube and outlet insert in the two ends up and down between two blocks of high strength alumin ium alloy plates, use arc-welding method to link to each other, make the last moulding of evaporation plate by mould and high pressure bulging process again with high strength alumin ium alloy evaporation plate body; Aluminium alloy serpentine flow path evaporation plate processing molding method may further comprise the steps:
1) by Structural Design Requirement aluminium alloy plate is carried out plate processing and handle: adopt pre-coated hydraulic pressure membrane process, guarantee not injure plate and surface in shearing, punching press, aluminum alloy plate materials process such as rolling, plate cutting adopts Numerical control cutting, one-shot forming; Plate surface is handled, removed the processing thermal stress, strengthen surface strength, improve film adhesive, and the surface of aluminium alloy plate is cleaned and dry the processing;
2) aluminium alloy upper plate and aluminium alloy lower plate are overlaped, on the aluminium alloy evaporation plate, determine the isolation welding bead of serpentine flow path by designing requirement, isolate the welding bead alternating sequence welding of jumping with agitating friction Solid-phase welding method to every, form the serpentine flow path of aluminium alloy evaporation plate;
3) adopt agitating friction Solid-phase welding method to seal seam around two aluminium alloy plates, annular welding bead around forming only stays next air intake passage and a gas outlet passage; Inlet tube and outlet are inserted in air intake passage and the gas outlet passage, and adopt arc-welding method that inlet tube is linked to each other with the sealing of aluminium alloy evaporation plate body with outlet;
4) adopt the inflation jig by designing requirement, the aluminium alloy evaporation plate is carried out bulging, make it to be shaped to evaporation plate, the flat one-tenth reinforcement of the non-welding edge bending of left and right sides with snakelike hollow duct through high pressure inflation technology.
Described aluminium alloy serpentine flow path evaporation plate and processing molding method thereof, inlet tube and outlet are aluminium-alloy pipes, or copper alloy tube, or the aluminum bronze multiple tube made of the method by resistance pressure-welding, because the aluminum bronze multiple tube stable performance that the method for resistance pressure-welding is made, corrosion-resistant, can be about 3～4 times of coating steel pipe service life in the medium-term and long-term use of different environment.Good mechanical property, the while good toughness, ductility is also high, has good antivibration, shock resistance.
Described aluminium alloy serpentine flow path evaporation plate and processing molding method thereof, adopt the agitating friction Solid-phase welding method of no keyhole, use anchor clamps that the two boards material fixedly is assembled together during welding, and adopt the water-cooled copper plate method to reduce sweating heat input and thermal stress in back of work.
Described aluminium alloy serpentine flow path evaporation plate and processing molding method thereof, the aluminum alloy sheet material surface treatment technology is that aluminium alloy evaporation plate inner surface sheet material adopts surperficial little forging treatment technology, or shot blasting on surface nano treatment technology, or mechanical lapping surface nano treatment technology, or surface applied is handled anti-corrosion anti-scale; Aluminium alloy evaporation plate outer surface sheet material adopts anodised hard to handle, or mechanical lapping Surface Nanocrystalline and polishing, or coating; or spraying, or electroplate, make outer surface form layer protecting film; anti-corrosion anti-scale, and make the plate ice smooth surface of bearing, be easy to break away from.The intensity of aluminium alloy evaporation plate and corrosion resistance can both reach requirement, are rationally feasible so replace stainless steel with aluminium alloy, and have the advantage that can not replace.
Described aluminium alloy serpentine flow path evaporation plate and processing molding method thereof, the aluminum alloy sheet material surface treatment technology comprises that the superposed surfaces to aluminium alloy upper plate, aluminium alloy lower plate adopts mechanical little rolling depression method to form surperficial little decorative pattern, there is the side of little decorative pattern to overlap relatively two aluminum alloy sheet material surfaces and welds, make the inner surface of aluminium alloy evaporation plate be covered with the nick salient point.
The bimetal composite mould that it is matrix built-up welding Cr-Ni-W that described aluminium alloy serpentine flow path evaporation plate and processing molding method thereof, inflation jig adopt with No. 45 steel; The isolation welding bead and the annular welding bead that adopt the agitating friction welding to form on the evaporation plate are suppressed clamping by mould, the shape of the final inflation moulding of the snakelike hollow duct of mould internal channel control evaporation plate of optimal design, make the refrigerant channel in the evaporation plate even, the refrigerant flow resistance is little.
Described aluminium alloy serpentine flow path evaporation plate and processing molding method thereof, the agitating friction Solid-phase welding technological parameter of no keyhole is: rotary speed is 800～2000r/min, speed of welding is 100～300mm/min, and the active force between mixing needle and the quilt weldering metal is at 15～30KN.
Above-mentioned processing molding method is applicable to serpentine flow path evaporation plate and the processing and manufacturing thereof of adopting magnesium alloy materials or stainless steel material or titanium alloy material.
The present invention utilizes thermal conductivity factor, and (160w/m * kJ) is than stainless steel (17w/m * kJ) big, and density (2800kg/m
3) than the light (7900kg/m of stainless steel
3) aluminium alloy plate replace corrosion resistant plate not only can reduce welding residual stress, reduce welding deformation, and can improve the cooling effect of serpentine flow path evaporation plate, alleviate the weight of the serpentine flow path evaporation plate of making by aluminium alloy extrusions, save aluminum alloy materials and processing cost.Aluminium alloy serpentine flow path evaporation plate of the present invention is to adopt the agitating friction Solid-phase welding method of no keyhole, and adopts the water-cooled copper plate method to reduce sweating heat input and thermal stress in back of work.Because friction stir welding is a kind of solid phase connecting method, under solid state shape, finish the connection of two workpiece, reduced the sweating heat input, reduced welding residual stress, can prevent incidental distortion and warpage in serpentine flow path evaporation plate processing back and the use effectively.And the time do not need surface of the work is carried out complicated cleaning in welding, reduced welding sequence, improved the welding benefit, reduced to environment pollution, increased economic benefit.The inner surface of aluminium alloy evaporation plate is covered with the nick salient point, increases the roughness of the inner surface of aluminium alloy evaporation plate, thereby has improved the heat exchange effect of serpentine flow path evaporation plate, and the nucleus of boiling is provided, and reduces the temperature degree of supercooling.The bimetal composite mould that it is matrix built-up welding Cr-Ni-W that inflation jig of the present invention adopts with No. 45 steel has reduced die cost, has prolonged service life.The present invention adopts the final shape of the snakelike hollow duct of mould control evaporation plate, makes the refrigerant channel in the serpentine flow path even, and the refrigerant flow resistance is little.
Compared to existing technology, the present invention has following advantage:
1. adopt high strength alumin ium alloy to replace stainless steel satisfying under the condition of intensity, reduce welding residual stress, reduce welding deformation, improve the heat exchange efficiency of serpentine flow path evaporation plate, alleviate the weight of serpentine flow path evaporation plate.
2. adopt friction stir welding to replace resistance seam welding method welding serpentine flow path evaporation plate, make welding temperature low, the sweating heat input is few, and the welding residual stress of generation is little, and welding residual deformation is little.And do not need special cleaning work in the welding process, do not need other packing materials, welding adaptability is good, efficient is high, be easy to realize automatic weldering.In welding process, do not have flue dust, radiation, splash, harmful substances such as noise and arc light produce, environmental pollution is few.
3. aluminium alloy plate evaporation plate inner surface sheet material adopts surperficial little forging treatment technology, or the shot blasting on surface nano treatment technology, or the mechanical lapping surface nano treatment technology, or surface applied is handled anti-corrosion anti-scale, raising corrosion resistance; Aluminium alloy evaporation plate outer surface sheet material adopts anodised hard treatment technology, has improved intensity, forms layer protecting film, and anti-corrosion anti-scale makes the plate ice smooth surface of bearing be easy to break away from.
4. the inner surface of aluminium alloy evaporation plate is covered with the nick salient point, increases the roughness of the inner surface of aluminium alloy evaporation plate, thereby has improved the heat exchange effect of serpentine flow path evaporation plate, and the nucleus of boiling is provided, and has reduced the temperature degree of supercooling.
5. the inflation jig bimetal composite mould that to adopt with No. 45 steel be matrix built-up welding Cr-Ni-W has reduced die cost, has prolonged service life; Adopt the final shape of the snakelike hollow duct of mould control evaporation plate, make the refrigerant channel in the evaporation plate even, the refrigerant flow resistance is little.
6. the present invention has improved the anti-fatigue capability that causes that changed by temperature and pressure of aluminium alloy serpentine flow path evaporation plate, thermal efficiency height, the charging amount of refrigerant is few, fluid inertia is little, be quick on the draw, satisfied the requirement that the energy consumption that goes up is day by day reduced, met environmental protection standard, reduced material, processing and waste of manpower resource; And have to take up an area of and lack, the detachable inspection cleaned, and No. of plates and form are controlled variable, the advantage that cold-producing medium consumption is few.
7. this forming method is not only applicable to aluminium alloy, but also is applicable to serpentine flow path evaporation plate and the processing and manufacturing process thereof that adopts magnesium alloy materials, stainless steel material, titanium alloy material.
Description of drawings
Fig. 1 aluminium alloy serpentine flow path of the present invention evaporation plate structure chart;
The serpentine flow path evaporation plate hollow duct profile of gained behind Fig. 2 bulging;
Fig. 3 aluminium alloy plate has the floor map of little decorative pattern one side;
Fig. 4 has the generalized section of the aluminium alloy plate of little decorative pattern;
Fig. 5 inner surface is covered with the serpentine flow path evaporation plate profile of nick salient point;
Among the figure, 1. upper plate; 2. lower plate; 3. inlet tube; 4. outlet; 5. isolation welding bead; 6. annular welding bead; 7. hollow duct.
The specific embodiment
By adopting high strength alumin ium alloy sheet material, utilize agitating friction welding processing molding method, effectively solve serpentine flow path evaporation plate welding deformation and warpage issues, make refrigerant and freezing machine oil flow even, unobstructed, improve the heat exchanger effectiveness of serpentine flow path evaporation plate, satisfy the requirement of evaporation plate, reduce, realize design and processing molding method thereof efficient, high-quality, energy-conservation, eco-friendly high-quality Al alloy serpentine flow path evaporation plate to material, processing and waste of manpower resource to thermal shock.
Below in conjunction with embodiment and accompanying drawing the present invention is described in further detail.
As depicted in figs. 1 and 2, aluminium alloy serpentine flow path evaporation plate and processing molding method thereof, evaporation plate adopts high strength alumin ium alloy sheet material, constitute by upper plate 1, lower plate 2, inlet tube 3 and outlet 4, two blocks of high strength alumin ium alloy plates weld together by the solid phase friction stir connecting method is overlapping, inlet tube 3 and outlet 4 insert in the two ends up and down between two blocks of high strength alumin ium alloy plates, use arc-welding method to link to each other, make the last moulding of evaporation plate by mould and high pressure bulging process again with high strength alumin ium alloy evaporation plate body; Aluminium alloy serpentine flow path evaporation plate processing molding method may further comprise the steps:
Steps A. by Structural Design Requirement aluminium alloy plate is carried out plate processing and processing: adopt pre-coated hydraulic pressure membrane process, guarantee not injure plate and surface in shearing, punching press, aluminum alloy plate materials process such as rolling, plate cutting adopts Numerical control cutting, one-shot forming; Plate surface is handled, removed the processing thermal stress, strengthen surface strength, improve film adhesive, and the surface of aluminium alloy plate is cleaned and dry the processing;
Step B. overlaps aluminium alloy upper plate 1 and aluminium alloy lower plate 2, on the aluminium alloy evaporation plate, determine the isolation welding bead 5 of serpentine flow path by designing requirement, isolate the welding bead 5 alternating sequence welding of jumping with agitating friction Solid-phase welding method to every, form the serpentine flow path of aluminium alloy evaporation plate;
Step C. adopts agitating friction Solid-phase welding method to seal seam around two aluminium alloy plates, and annular welding bead 6 around forming only stays next air intake passage and a gas outlet passage; Inlet tube 3 and outlet 4 are inserted in air intake passage and the gas outlet passage, and adopt arc-welding method that inlet tube 3 is linked to each other with the sealing of aluminium alloy evaporation plate body with outlet 4;
Step D. adopts the inflation jig by designing requirement, through high pressure inflation technology the aluminium alloy evaporation plate is carried out bulging, makes it to be shaped to the evaporation plate with snakelike hollow duct 7, with the flat one-tenth reinforcement of the non-welding edge bending in the left and right sides.
Aluminium alloy serpentine flow path evaporation plate and processing molding method thereof, inlet tube 3 and outlet 4 are aluminium-alloy pipes, or copper alloy tube, or pass through the aluminum bronze multiple tube of the method manufacturing of resistance pressure-welding.
Aluminium alloy serpentine flow path evaporation plate and processing molding method thereof, adopt the agitating friction Solid-phase welding method of no keyhole, use anchor clamps that the two boards material fixedly is assembled together during welding, and adopt the water-cooled copper plate method to reduce sweating heat input and thermal stress in back of work.
Aluminium alloy serpentine flow path evaporation plate and processing molding method thereof, the aluminum alloy sheet material surface treatment technology is that aluminium alloy evaporation plate inner surface sheet material adopts surperficial little forging treatment technology, or shot blasting on surface nano treatment technology, or mechanical lapping surface nano treatment technology, or surface applied is handled anti-corrosion anti-scale; Aluminium alloy evaporation plate outer surface sheet material adopts anodised hard to handle, or mechanical lapping Surface Nanocrystalline and polishing, or coating; or spraying, or electroplate, make outer surface form layer protecting film; anti-corrosion anti-scale, and make the plate ice smooth surface of bearing, be easy to break away from.
As Fig. 3, Fig. 4 and shown in Figure 5, aluminium alloy serpentine flow path evaporation plate and processing molding method thereof, the aluminum alloy sheet material surface treatment technology comprises that the superposed surfaces to aluminium alloy upper plate 1, aluminium alloy lower plate 2 adopts mechanical little rolling depression method to form surperficial little decorative pattern, there is the side of little decorative pattern to overlap relatively two aluminum alloy sheet material surfaces and welds, make the inner surface of aluminium alloy evaporation plate be covered with the nick salient point.
The bimetal composite mould that it is matrix built-up welding Cr-Ni-W that aluminium alloy serpentine flow path evaporation plate and processing molding method thereof, inflation jig adopt with No. 45 steel; The isolation welding bead 5 and the annular welding bead 6 that adopt the agitating friction welding to form on the evaporation plate are suppressed clamping by mould, the shape of the final inflation moulding of the snakelike hollow duct 7 of mould internal channel control evaporation plate of optimal design, make the refrigerant channel in the serpentine flow path even, the refrigerant flow resistance is little.
Aluminium alloy serpentine flow path evaporation plate and processing molding method thereof, it is characterized in that, the agitating friction Solid-phase welding technological parameter of no keyhole is: rotary speed is 800～2000r/min, and speed of welding is 100～300mm/min, and the active force between mixing needle and the quilt weldering metal is at 15～30KN.
Forming method of the present invention is not only applicable to aluminium alloy, but also is applicable to serpentine flow path evaporation plate and the processing and manufacturing process thereof that adopts magnesium alloy materials, stainless steel material, titanium alloy material; The present invention adopts high-strength aluminum alloy material and agitating friction welding processing molding method can solve serpentine flow path evaporation plate welding deformation and warpage issues effectively, make refrigerant and freezing machine oil flow even, unobstructed, improved the anti-fatigue capability that causes that changes by temperature and pressure of aluminium alloy serpentine flow path evaporation plate, thermal efficiency height, the charging amount of refrigerant is few, fluid inertia is little, be quick on the draw, satisfied the requirement that the energy consumption that goes up is day by day reduced, meet environmental protection standard, reduced material, processing and waste of manpower resource, energy savings; And have to take up an area of and lack, the detachable inspection cleaned, and No. of plates and form are controlled variable, the advantage that cold-producing medium consumption is few.And, can not damage even produce the ice crystal phenomenon serpentine flow path evaporation plate of the present invention yet.
Embodiment 1:
Referring to Fig. 1 or Fig. 2 or Fig. 3,6063 aluminium alloy plates of two block length 1.5m, wide 0.8m, thick 1.8mm carry out plate processing and handle, surfaces externally and internally to aluminum alloy plate materials carries out the processing of shot blasting on surface nanometer, superimposed inner surface is carried out mechanical little roll extrusion form surperficial little decorative pattern, adopt the method for friction stir welding, with the rotary speed is 800r/min, speed of welding is that the welding procedure of 150mm/min is welded into the isolation welding bead with two equidistant welding beads in aluminium alloy plate 14 roads, and will seal seam all around; Adopt arc-welding method to link to each other the compound outlet of compound inlet tube of aluminum bronze and aluminum bronze with the sealing of aluminium alloy evaporation plate body; Adopt the inflation jig, the aluminium alloy evaporation plate is carried out bulging, make it to be shaped to evaporation plate with snakelike hollow duct through gases at high pressure; Carry out other postwelding operations again, exert pressure, just formed aluminium alloy serpentine flow path evaporation plate at last as stress relief annealing, polishing, japanning etc.
Claims (7)
1. aluminium alloy serpentine flow path evaporation plate processing molding method, it is characterized in that, evaporation plate adopts high strength alumin ium alloy sheet material, constitute by upper plate (1), lower plate (2), inlet tube (3) and outlet (4), two blocks of high strength alumin ium alloy plates weld together by the solid phase friction stir connecting method is overlapping, inlet tube (3) and outlet (4) insert in the two ends up and down between two blocks of high strength alumin ium alloy plates, use arc-welding method to link to each other, make the last moulding of evaporation plate by mould and high pressure bulging process again with high strength alumin ium alloy evaporation plate body; Aluminium alloy serpentine flow path evaporation plate processing molding method may further comprise the steps:
Steps A. by Structural Design Requirement aluminium alloy plate is carried out plate processing and processing: adopt pre-coated hydraulic pressure membrane process, guarantee not injure plate and surface in shearing, punching press, rolling aluminium alloy sheet process, plate cutting adopts Numerical control cutting, one-shot forming; Plate surface is handled, removed the processing thermal stress, strengthen surface strength, improve film adhesive, and the surface of aluminium alloy plate is cleaned and dry the processing;
Step B. overlaps aluminium alloy upper plate (1) and aluminium alloy lower plate (2), on the aluminium alloy evaporation plate, determine the isolation welding bead (5) of serpentine flow path by designing requirement, isolate welding bead (5) the alternating sequence welding of jumping with agitating friction Solid-phase welding method to every, form the serpentine flow path of aluminium alloy evaporation plate;
Step C. adopts agitating friction Solid-phase welding method to seal seam around two aluminium alloy plates, and annular welding bead (6) around forming only stays next air intake passage and a gas outlet passage; Inlet tube (3) and outlet (4) are inserted in air intake passage and the gas outlet passage, and adopt arc-welding method that inlet tube (3) is linked to each other with the sealing of aluminium alloy evaporation plate body with outlet (4);
Step D. adopts the inflation jig by designing requirement, through high pressure inflation technology the aluminium alloy evaporation plate is carried out bulging, makes it to be shaped to the evaporation plate with snakelike hollow duct (7), with the flat one-tenth reinforcement of the non-welding edge bending of left and right sides.
2. according to the described aluminium alloy serpentine flow path of claim 1 evaporation plate processing molding method, it is characterized in that: inlet tube (3) and outlet (4) are aluminium-alloy pipes, or copper alloy tube, or pass through the aluminum bronze multiple tube of the method manufacturing of resistance pressure-welding.
3. according to the described aluminium alloy serpentine flow path of claim 1 evaporation plate processing molding method, it is characterized in that: the agitating friction Solid-phase welding method that adopts no keyhole, use anchor clamps that the two boards material fixedly is assembled together during welding, and adopt the water-cooled copper plate method to reduce sweating heat input and thermal stress in back of work.
4. according to the described aluminium alloy serpentine flow path of claim 1 evaporation plate processing molding method, it is characterized in that: the aluminum alloy sheet material surface treatment technology is that aluminium alloy evaporation plate inner surface sheet material adopts surperficial little forging treatment technology, or shot blasting on surface nano treatment technology, or mechanical lapping surface nano treatment technology, or surface applied is handled anti-corrosion anti-scale; Aluminium alloy evaporation plate outer surface sheet material adopts anodised hard to handle, or mechanical lapping Surface Nanocrystalline and polishing, or coating; or spraying, or electroplate, make outer surface form layer protecting film; anti-corrosion anti-scale, and make the plate ice smooth surface of bearing, be easy to break away from.
5. according to the described aluminium alloy serpentine flow path of claim 1 evaporation plate processing molding method, it is characterized in that: the aluminum alloy sheet material surface treatment technology comprises that the superposed surfaces to aluminium alloy upper plate (1), aluminium alloy lower plate (2) adopts mechanical little rolling depression method to form surperficial little decorative pattern, there is the side of little decorative pattern to overlap relatively two aluminum alloy sheet material surfaces and welds, make the inner surface of aluminium alloy evaporation plate be covered with the nick salient point.
6. according to the described aluminium alloy serpentine flow path of claim 1 evaporation plate processing molding method, it is characterized in that: the bimetal composite mould that it is matrix built-up welding Cr-Ni-W that the inflation jig adopts with No. 45 steel; The isolation welding bead (5) and the annular welding bead (6) that adopt the agitating friction welding to form on the evaporation plate are suppressed clamping by mould, the shape of the final inflation moulding of the mould internal channel control snakelike hollow duct of evaporation plate (7) of optimal design, make the refrigerant channel in the evaporation plate even, the refrigerant flow resistance is little.
7. according to the described aluminium alloy serpentine flow path of claim 1 evaporation plate processing molding method, it is characterized in that, the agitating friction Solid-phase welding technological parameter of no keyhole is: rotary speed is 800～2000r/min, speed of welding is 100～300mm/min, and the active force between mixing needle and the quilt weldering metal is at 15～30KN.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101910215A CN101691976B (en) | 2009-09-30 | 2009-09-30 | Aluminum alloy snakelike flow channel evaporation plate and processing molding method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101910215A CN101691976B (en) | 2009-09-30 | 2009-09-30 | Aluminum alloy snakelike flow channel evaporation plate and processing molding method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101691976A CN101691976A (en) | 2010-04-07 |
| CN101691976B true CN101691976B (en) | 2011-03-23 |
Family
ID=42080686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101910215A Expired - Fee Related CN101691976B (en) | 2009-09-30 | 2009-09-30 | Aluminum alloy snakelike flow channel evaporation plate and processing molding method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101691976B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112453833A (en) * | 2020-11-17 | 2021-03-09 | 南京工程学院 | Preparation method of high-toughness metal material with shell brick mud imitation structure |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103042370A (en) * | 2011-10-13 | 2013-04-17 | 广翰实业股份有限公司 | Heat dissipation frame manufacturing method and products thereof |
| CN103175432A (en) * | 2013-04-08 | 2013-06-26 | 中国船舶重工集团公司第七一一研究所 | Heat exchange plate for plate-type evaporator |
| CN103851837A (en) * | 2014-03-24 | 2014-06-11 | 吴江市金鑫冷暖设备制造有限公司 | Hollow plate type condenser plate and production method thereof |
| CN105690052A (en) * | 2015-09-18 | 2016-06-22 | 安庆市盛唐制冷设备有限责任公司 | Manufacturing technology for laminated evaporator |
| CN106513942B (en) * | 2017-01-12 | 2019-06-25 | 南京工程学院 | A kind of magnesium alloy face of weld nanocrystallization device and method |
| CN111185722B (en) * | 2018-11-15 | 2021-09-17 | 核工业西南物理研究院 | U-shaped bending forming method for asymmetric flat plate with runner |
-
2009
- 2009-09-30 CN CN2009101910215A patent/CN101691976B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112453833A (en) * | 2020-11-17 | 2021-03-09 | 南京工程学院 | Preparation method of high-toughness metal material with shell brick mud imitation structure |
| CN112453833B (en) * | 2020-11-17 | 2021-08-27 | 南京工程学院 | Preparation method of high-toughness metal material with shell brick mud imitation structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101691976A (en) | 2010-04-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101691978B (en) | Aluminum honeycomb type evaporation plate and processing molding method thereof | |
| CN101691977B (en) | Stainless steel snakelike flow channel cold plate and processing molding method thereof | |
| CN101691976B (en) | Aluminum alloy snakelike flow channel evaporation plate and processing molding method thereof | |
| CN101691961A (en) | Stainless steel plate type heat exchanger and processing molding method thereof | |
| CN101691962B (en) | Processing molding method of magnesium alloy plate type heat exchanger | |
| WO2015109426A1 (en) | Method for manufacturing metal compound plate strip by rolling | |
| CN105478475B (en) | A kind of method of rolling high-strength degree composite metal plate | |
| CN105127198A (en) | Metal composite plate rolling technique based on corrugated surface combining type blank forming | |
| CN104235517A (en) | Corrosion-resisting titanium-steel compound pipe and preparation method thereof | |
| CN111441637A (en) | Large storage tank with stainless steel composite plates manufactured on site and installation method of large storage tank | |
| CN105478476A (en) | Method for rolling metal composite plate strip | |
| CN101008557A (en) | Exchanger with honeycomb structure | |
| CN105251971B (en) | A kind of method hot rolling plate base process interlayer vacuum coating method | |
| CN102039520B (en) | Manufacturing method of aluminium alloy heat exchanger for gas water heater | |
| CN102398145B (en) | Whole near net-shape processing and manufacturing method of snake-shaped runner ice-making board | |
| CN105171259A (en) | Composite pipe and manufacturing method and application thereof | |
| KR20080057967A (en) | Air tank for vehicle and fabricating method thereof | |
| CN103567732B (en) | Tube Sheet of Heat Exchanger, Tube Sheet of Heat Exchanger component and the method for manufacturing them | |
| CN203203453U (en) | Flat tube type finned tube | |
| CN102562308A (en) | Small efficient heat regenerator and manufacturing method thereof | |
| CN101829827A (en) | High temperature vacuum brazing clamp for internally finned tube | |
| CN210833213U (en) | Connecting structure of porous flat tube and tube plate of aluminum air cooler | |
| CN201062690Y (en) | Composite pipe base on titanium | |
| JPH03251686A (en) | Heat exchanger | |
| CN218902391U (en) | Nozzle structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110323 Termination date: 20150930 |
|
| EXPY | Termination of patent right or utility model |