CN112719822A - Manufacturing method of aluminum profile die-casting double-tube high-fin radiator - Google Patents
Manufacturing method of aluminum profile die-casting double-tube high-fin radiator Download PDFInfo
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- CN112719822A CN112719822A CN202110020870.5A CN202110020870A CN112719822A CN 112719822 A CN112719822 A CN 112719822A CN 202110020870 A CN202110020870 A CN 202110020870A CN 112719822 A CN112719822 A CN 112719822A
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- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 73
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 31
- 238000004512 die casting Methods 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 238000003466 welding Methods 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 12
- 239000011265 semifinished product Substances 0.000 claims abstract description 9
- 238000001192 hot extrusion Methods 0.000 claims abstract description 8
- 239000000047 product Substances 0.000 claims abstract description 5
- 238000005520 cutting process Methods 0.000 claims description 34
- 229910000831 Steel Inorganic materials 0.000 claims description 25
- 239000010959 steel Substances 0.000 claims description 25
- 238000004080 punching Methods 0.000 claims description 10
- 238000003754 machining Methods 0.000 claims description 8
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 4
- 239000010425 asbestos Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 229910052895 riebeckite Inorganic materials 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000002131 composite material Substances 0.000 abstract description 10
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004321 preservation Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 210000001503 joint Anatomy 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/26—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass heat exchangers or the like
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Fluid Heaters (AREA)
Abstract
The invention provides a method for manufacturing a double-tube high-fin radiator by die-casting an aluminum profile, which is characterized in that the aluminum profile is manufactured by hot extrusion equipment, two ends of the aluminum profile are respectively and vertically cut along the direction of radiating fins to form cut angles, and 2 longitudinal water tubes are arranged in the aluminum profile; then, manufacturing a transverse water pipe and a bent water pipe and welding to obtain an assembly, and respectively connecting the 2-sleeve assembly with the left end and the right end of the aluminum section to obtain a single-piece semi-finished product of the radiator; and die-casting the head and the tail of the sheet to obtain single sheets of the radiator, and connecting and assembling the single sheets of the radiator in parallel by using screws and gaskets to obtain a finished product of the aluminum profile die-cast double-tube high-sheet radiator. Compared with the traditional assembled or injection-molded composite radiator, the high-pressure cast aluminum radiator manufactured by the invention has the advantages of more compact structure, better heat preservation effect, pressure resistance, corrosion resistance and greatly prolonged service life; the high-piece radiating fins are adopted to greatly improve the radiating capacity, and no large-scale equipment is required to be additionally arranged; simple structure, easy production and processing, and suitability for large-area popularization and application.
Description
Technical Field
The invention relates to a manufacturing method of a radiator, in particular to a manufacturing method of an aluminum profile die-casting double-tube high-fin radiator.
Background
The radiator is commonly called as a radiator, is common equipment for household heating, utilizes hot water or steam pipelines to cool or steam to condense and release heat, and radiates the heat through heat exchange modes such as conduction, radiation, convection and the like through the radiator so as to improve the indoor temperature.
Common traditional indoor radiators in the market at present comprise cast iron radiators, steel radiators, aluminum radiators and the like, along with the continuous improvement of national living standard and housing conditions, the radiators are gradually popularized from the north to the south cities, the application range is wider and wider, the demands of users on the radiators are also continuously improved, and the defects of large occupied area, high energy consumption, easy corrosion, poor radiating effect and the like of the traditional radiators are gradually shown. Therefore, radiator manufacturers have already carried out a great deal of research and development aiming at the structure and production mode of the radiator, and have proposed radiators with composite material structures such as copper-aluminum composite radiators, steel-aluminum composite radiators, aluminum-plastic composite radiators and the like, but the existing composite radiators adopt loose assembly structures, so that the water and gas leakage situation is easy to occur, and the heat radiation performance is reduced; in addition, the injection molding or fusion casting molding method adopted by the existing composite radiator is relatively backward, the material bonding compactness is relatively low, the composite radiator is easy to corrode and damage after long-time use, and a high-efficiency and stable-quality radiator manufacturing method is urgently needed to meet the large demands of the market on the radiator.
Disclosure of Invention
The invention aims to overcome the defects of the structure and the manufacturing method of the traditional composite material radiator and provides a manufacturing method of an aluminum profile die-casting double-tube high-fin radiator.
The technical solution of the invention is as follows: a manufacturing method of an aluminum profile die-casting double-tube high-fin radiator specifically comprises the following steps:
1) manufacturing a hot extrusion aluminum profile die, heating an aluminum bar, placing the heated aluminum bar on hot extrusion equipment through the die, and processing the heated aluminum bar into an aluminum profile with a corresponding end surface structure; symmetrical radiating fins are arranged on the aluminum profile at equal intervals from top to bottom, and 2 round holes for mounting the longitudinal water pipes are symmetrically arranged inside the aluminum profile;
2) cutting the two ends of the processed aluminum profile along the direction of the radiating fins respectively and vertically to form cut angles;
3) cutting 2 steel pipes as longitudinal water pipes by a cutting machine, respectively installing the longitudinal water pipes into 2 circular holes in the aluminum profile, and tightly combining the longitudinal water pipes with the aluminum profile through a pipe expander;
4) cutting a plurality of sections of steel pipes through a cutting machine, conveying a part of the steel pipes to a lathe, turning pipe openings, threads and right thread grooves at two ends of the steel pipes, and punching 2 symmetrical circular holes in the side pipe wall through a punch press to obtain a transverse water pipe; punching and bending part of the steel pipe on a punch through a die, and cutting the end of the steel pipe through a multi-head cutting machine to obtain a bent water pipe; respectively inserting 2 bent water pipes into 2 circular holes in the side wall of the transverse water pipe, and welding at one time through a tool and an automatic welding machine to obtain an assembly;
5) respectively connecting the 2 sets of assembly parts with the left end and the right end of the aluminum section bar, and respectively welding the tail ends of 2 bent water pipes in each assembly part with the tail ends of 2 longitudinal water pipes in one step through a tool and an automatic welding machine to complete four-position butt-joint circumferential welding seams to obtain a single-piece semi-finished product of the radiator;
6) respectively die-casting an aluminum leader and a trailer of the radiator single-piece semi-finished product through a die and a die-casting machine, and finally processing to obtain a radiator single piece, wherein both sides of the leader and the trailer are provided with interfaces corresponding to pipe orifices at both ends of a transverse water pipe;
7) cutting a plurality of sections of steel pipes through a cutting machine, placing the steel pipes on the cutting machine through a tool, machining positive and negative threads at pipe orifices at two ends through special wire aligning machining equipment, machining an annular groove in the middle, and punching a right thread groove on a punch through a die to obtain an aligned wire;
8) punching and cutting the asbestos rubber plate on a punch through a die to obtain a gasket;
9) stripping a gasket into an annular groove in the middle of a pair of threads, then respectively installing the pair of threads with the gasket into interfaces on the head and the tail of each radiator single piece, and mutually connecting the head and the tail of each radiator single piece through 2 pairs of threads; and sequentially connecting the single radiator sheets one by one in parallel according to the steps, assembling high-sheet radiators with required number by a special machine, and finally integrally coating to obtain the finished aluminum profile die-cast double-tube high-sheet radiators.
Compared with the prior art, the invention has the advantages that:
1) compared with the traditional assembled or injection-molded composite radiator, the high-pressure cast aluminum radiator manufactured by the invention has the advantages of more compact structure, better heat preservation effect, pressure resistance, corrosion resistance and greatly prolonged service life;
2) the center distance of the radiator is determined according to the blanking length of the aluminum profile, is not controlled by a die, and can be made into a higher high-piece radiating fin, so that the radiating capacity can be greatly improved without adding large-scale equipment;
3) simple structure, easily production and processing can make through current radiator conventional production facility, and the quantity of radiator monolithic can be according to user's needs modularization combination, and simple to operate is fit for popularizing and applying.
Drawings
Fig. 1 is a schematic end view of an aluminum profile.
Fig. 2 is a schematic side view and a corner cutting structure of an aluminum profile.
FIG. 3 is a schematic view of the welded cross-section structure of the elbow pipe and the horizontal pipe.
FIG. 4 is a schematic sectional structure view of the butt joint of the longitudinal water pipe, the aluminum profile and the bent water pipe.
FIGS. 5-1 to 5-5 are schematic structural views of a single heat sink, in which FIG. 5-1 is a front view, FIG. 5-2 is a bottom view, FIG. 5-3 is a sectional view taken along line A-A, FIG. 5-4 is a sectional view taken along line B-B, and FIG. 5-5 is a sectional view taken along line C-C.
FIGS. 6-1-6-2 are schematic structural views of a pair of filaments, wherein FIG. 6-1 is a cross-sectional view of an axial center of the pair of filaments, and FIG. 6-2 is a cross-sectional view of a circumferential center of the pair of filaments.
Fig. 7 is a schematic view of the structure of the gasket.
Fig. 8 is a schematic view of the whole structure of the radiator single-piece assembled high-fin radiator.
In the figure, 1 is an aluminum profile, 1-1 is a radiating fin, 1-2 is a round hole, 1-3 is a cutting angle, 2 is a transverse water pipe, 3 is a bent water pipe, 4 is a longitudinal water pipe, 5 is a sheet head, 6 is a sheet tail, 7 is a counter thread, and 8 is a gasket.
Detailed Description
The technical scheme of the invention is further explained by combining the attached drawings. Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" indicate the orientation or positional relationship based on the content of the drawings in the specification, which is only for convenience of describing the structural relationship of the present invention, and does not limit or imply that the device or element to be referred to must be disposed only in a specific orientation or be configured in a specific configuration, so the present invention is not limited thereto.
In the present invention, unless otherwise specifically stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, for example: can be fixedly connected or detachably connected; can be directly connected or indirectly connected through an intermediate medium; either internally or in interactive relation. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
A method for manufacturing an aluminum profile die-casting double-tube high-fin radiator comprises the following specific operation steps:
according to the end face diagram shown in fig. 1, a hot extrusion aluminum profile die is manufactured, an aluminum bar is heated and then placed on hot extrusion equipment through the die, and an aluminum profile 1 with a corresponding end face structure is processed by adopting a high-pressure aluminum casting process; as shown in figure 1, 6 rows of symmetrical radiating fins 1-1 are arranged on the aluminum profile 1 from top to bottom at equal intervals, wherein 2 round holes 1-2 are symmetrically arranged in the middle of the radiating fins 1-1 in the 2 nd row and the 4 th row. The processed aluminum profile 1 is placed on a cutting machine through a tool to be fed and discharged, and two ends of the aluminum profile 1 are respectively and vertically cut along the direction of the radiating fins to form cutting angles 1-3, wherein the structure of the cutting angles is shown in figure 2.
According to the length of 1 back cut angle of aluminium alloy, through 2 steel pipes of cutting machine intercepting as indulging water pipe 4, through 2 indulge water pipe 4 and install 2 round holes 1-2 into 1 side of aluminium alloy respectively through the frock, 2 indulge inside water pipe 4 expand into aluminium alloy 1 simultaneously through the electric tube expander, make its inseparable combination.
Cutting a plurality of sections of steel pipes through a cutting machine, conveying a part of the steel pipes to a lathe, turning pipe openings, threads and right thread marks at two ends of the steel pipes, and punching 2 symmetrical circular holes in the side pipe wall through a punch press to obtain a transverse water pipe 2; part of the steel pipes are placed on a cutting machine through a tool to be fed and discharged, are punched and bent on a punching machine through a die, and are subjected to head cutting through a multi-head cutting machine to obtain a bent water pipe 3; and (3) respectively inserting the 2 bent water pipes 3 into 2 round holes in the side wall of the transverse water pipe 2, and completing two intersecting line welding joints through one-step welding of a tool and an automatic welding machine to obtain an assembly, wherein the cross section of the assembly is shown in figure 3.
And (3) respectively connecting the 2 sets of the combined parts obtained in the step (4) with the left end and the right end of the aluminum profile 1, and respectively welding the tail ends of 2 bent water pipes 3 in each combined part with the tail ends of 2 longitudinal water pipes 4 at one time through a tool and an automatic welding machine to complete circumferential welding joints at four positions to obtain a radiator single-piece semi-finished product with welded steel pipes, wherein the cross section of the radiator single-piece semi-finished product is shown in fig. 4.
Respectively die-casting an aluminum leader 5 and a tail 6 of a radiator single-chip semi-finished product by a die and a die-casting machine, respectively processing the planes of the assembly parts of the leader 5 and the tail 6 and the radiating fins 1-1 by a special machine, and finally processing to obtain a radiator single chip, wherein the structure of the radiator single chip is shown in figures 5-1-5; wherein, the two sides of the head 5 and the tail 6 are provided with interfaces corresponding to the pipe orifices at the two ends of the transverse water pipe 2. The center distance of the radiator is determined according to the blanking length of the aluminum profile 1 and is not controlled by a die, and because the lengths of the aluminum profile 1 and the longitudinal water pipe 4 can be made very long, the center distance of the radiating fins 1-1 can be maximized (for example 1800 mm), and the radiating fins with higher height can be made, and the radiating capacity can be greatly improved without adding large-scale equipment.
Cutting a plurality of sections of steel pipes through a cutting machine, placing the steel pipes on the cutting machine through a tool, machining positive and negative threads at pipe orifices at two ends through special wire-aligning machining equipment, machining an annular groove in the middle, and punching a right thread groove on a punch through a die to obtain a wire aligning 7, wherein the structure of the wire aligning 7 is shown in figures 6-1-6-2; according to the number of the wires 7, the asbestos rubber sheet is punched out by a punch through a die to obtain a corresponding number of sealing gaskets 8, as shown in fig. 7.
The gasket 8 is stripped into an annular groove in the middle of the paired wires 7, then the paired wires 7 with the gasket 8 are respectively installed in the interfaces on the head 5 and the tail 6 of the single radiator sheet, and the head 5 and the tail 6 between the two single radiator sheets are mutually connected through 2 paired wires 7; the radiator single sheets are sequentially connected in parallel one by one according to the steps, the high sheet radiators with the number of sheets required by a user are assembled by a special machine, and finally the finished product of the aluminum profile die-casting double-tube high sheet radiator is obtained by integrally coating, wherein the structure of the finished product is shown in figure 8, and the finished product is the double-tube high sheet radiator formed by assembling 6 radiator single sheets. The tightening or loosening between the two radiator elements is achieved by rotating the pair of wires 7 by a machine or a special wrench.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The manufacturing method of the aluminum profile die-cast double-tube high-fin radiator is characterized by comprising the following steps of:
1) manufacturing an aluminum profile by a hot extrusion device and adopting a high-pressure aluminum casting process;
2) cutting two ends of the aluminum profile vertically along the direction of the radiating fins to form cut angles;
3) 2 longitudinal water pipes are arranged in the aluminum profile;
4) manufacturing a transverse water pipe and a bent water pipe, and welding to obtain an assembly;
5) respectively connecting the 2-sleeve assembly with the left end and the right end of the aluminum section, and obtaining a single-piece semi-finished product of the radiator through one-time welding;
6) die-casting the head and the tail of the radiator to obtain a single radiator sheet;
7) manufacturing paired filaments;
8) manufacturing a gasket;
9) and connecting and assembling the single radiator sheets in parallel by the aid of the screws and the gaskets to obtain the finished aluminum profile die-cast double-tube high-sheet radiator.
2. The method for manufacturing the aluminum profile die-cast double-tube high-fin radiator according to claim 1, wherein the step 1) specifically comprises the following steps: and (3) manufacturing a hot extrusion aluminum profile die, heating an aluminum bar, placing the heated aluminum bar on hot extrusion equipment through the die, and processing the heated aluminum bar into an aluminum profile with a corresponding end surface structure by adopting a high-pressure aluminum casting process.
3. The method for manufacturing the aluminum profile die-casting double-tube high-fin radiator according to claim 2, wherein a plurality of rows of symmetrical radiating fins are arranged on the aluminum profile at equal intervals from top to bottom, and 2 circular holes for mounting the longitudinal water tubes are symmetrically arranged inside the aluminum profile.
4. The method for manufacturing the aluminum profile die-casting double-tube high-fin radiator according to claim 1, wherein the step 3) specifically comprises the following steps: according to the length behind the aluminium alloy corner cut, through 2 steel pipes of cutting machine intercepting as indulging the water pipe, indulge 2 water pipes through the frock and install 2 round holes into the aluminium alloy side respectively, inside the rethread electric tube expander will indulge 2 water pipes and expand into the aluminium alloy simultaneously, make its inseparable combination.
5. The method for manufacturing the aluminum profile die-casting double-tube high-fin radiator according to claim 1, wherein the step 4) specifically comprises the following steps: cutting a plurality of sections of steel pipes through a cutting machine, conveying a part of the steel pipes to a lathe, turning pipe openings, threads and right thread grooves at two ends of the steel pipes, and punching 2 symmetrical circular holes in the side pipe wall through a punch press to obtain a transverse water pipe; part of the steel pipes are placed on a cutting machine through a tool to be fed and discharged, are punched and bent on a punching machine through a die, and are subjected to head cutting through a multi-head cutting machine to obtain bent water pipes; and (3) respectively inserting 2 bent water pipes into 2 round holes in the side wall of the transverse water pipe, and performing one-time welding through a tool and an automatic welding machine to complete two intersecting line welding seams to obtain an assembly.
6. The method for manufacturing the aluminum profile die-casting double-tube high-fin radiator according to claim 1, wherein the step 5) specifically comprises the following steps: and (3) respectively connecting the 2 sets of the combined parts obtained in the step 4) with the left end and the right end of the aluminum section, and respectively welding the tail ends of 2 bent water pipes in each combined part with the tail ends of 2 longitudinal water pipes in one step through a tool and an automatic welding machine to complete the peripheral welding seams at four positions, so as to obtain the single-piece semi-finished product of the radiator for completing the steel pipe welding.
7. The method for manufacturing the aluminum profile die-cast double-tube high-fin radiator according to claim 1, wherein the step 6) specifically comprises the following steps: respectively die-casting an aluminum leader and a tail of the radiator single-chip semi-finished product through a die and a die-casting machine, respectively processing the planes of the assembly parts of the leader and the tail of the radiator and the radiating fins through processing equipment, and finally processing to obtain a radiator single chip; wherein, the two sides of the head and the tail are provided with interfaces corresponding to the pipe orifices at the two ends of the transverse water pipe.
8. The method for manufacturing the aluminum profile die-casting double-tube high-fin radiator according to claim 1, wherein the step 7) specifically comprises the following steps: a plurality of sections of steel pipes are intercepted through a cutting machine, the steel pipes are placed on the cutting machine through a tool, the front threads and the back threads are machined at the pipe orifices at two ends through a wire aligning machining device, the annular grooves are machined in the middle of the wire aligning machining device, and then right thread grooves are punched on a punch through a die to obtain the aligned wires.
9. The method for manufacturing the aluminum profile die-casting double-tube high-fin radiator according to claim 1, wherein the step 8) specifically comprises the following steps: and punching the asbestos rubber plate on a punch through a die to obtain the gasket.
10. The method for manufacturing the aluminum profile die-casting double-tube high-fin radiator according to claim 1, wherein the step 9) specifically comprises the following steps: stripping a gasket into an annular groove in the middle of a pair of threads, then respectively installing the pair of threads with the gasket into interfaces on the head and the tail of each radiator single piece, and mutually connecting the head and the tail of each radiator single piece through 2 pairs of threads; and connecting the radiator single sheets one by one in sequence according to the steps to assemble the high-sheet radiator with required number of sheets, and finally integrally coating to obtain the finished product of the aluminum profile die-cast double-tube high-sheet radiator.
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| CN202110020870.5A CN112719822A (en) | 2021-01-08 | 2021-01-08 | Manufacturing method of aluminum profile die-casting double-tube high-fin radiator |
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| CN202110020870.5A CN112719822A (en) | 2021-01-08 | 2021-01-08 | Manufacturing method of aluminum profile die-casting double-tube high-fin radiator |
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| CN210601885U (en) * | 2019-09-16 | 2020-05-22 | 王和平 | Heating radiator |
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Application publication date: 20210430 |