CN1515370A - Method for making aluminium alloy collar rim - Google Patents

Method for making aluminium alloy collar rim Download PDF

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Publication number
CN1515370A
CN1515370A CNA03100105XA CN03100105A CN1515370A CN 1515370 A CN1515370 A CN 1515370A CN A03100105X A CNA03100105X A CN A03100105XA CN 03100105 A CN03100105 A CN 03100105A CN 1515370 A CN1515370 A CN 1515370A
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China
Prior art keywords
aluminium alloy
sheet material
rim
making
curved arc
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CNA03100105XA
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Chinese (zh)
Inventor
陈健正
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YUKANG INDUSTRY Co Ltd
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YUKANG INDUSTRY Co Ltd
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Priority to CNA03100105XA priority Critical patent/CN1515370A/en
Publication of CN1515370A publication Critical patent/CN1515370A/en
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  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

The method for manufacturing aluminium alloy aim mainly adopts direct extrusion forming mode by utilizing aluminium alloy material and includes the following steps: according to the required rim section form making an aluminium alloy plate material; utilizing a group of upper and lower dies whose stitching surface is identical to the form of rim section and is formed into a proper curved angle along the lengthu direction of said plate material; stagewise one-by-one applying pressure to said plate material along its length direction and making said plate material be formed into circular rim form; welding seam so as to obtain the rim semi-finished product; annealing, shaping, heat-treatment and turning treatment to obtain its finished product.

Description

The method for making of aluminium alloy rim
Technical field
The present invention is a kind of method for making of aluminium alloy rim, refer in particular to a kind of elder generation with aluminum alloy materials, directly utilize the extrusion modling mode, according to required wheel rim section configuration, produce the sheet material of aluminium alloy, utilize one group of stitching surface identical again, and be the mould up and down of a suitable curved arc angle along the sheet material length direction with this wheel rim section configuration, sheet material is exerted pressure one by one along its length direction segmentation, to form the method for making of circular rim.
Background technology
Consult shown in Fig. 1-Tu, the method for making of general traditional aluminium alloy rim as No. 4,589,177, the U.S. and 4,185, No. 370 patents of invention, all is the flat boards 1 with an aluminium alloy, as shown in Figure 1; Bend to circle earlier, consult shown in Figure 2ly, with the seam 2 at flat aluminium alloy plate two ends,, be bonded into a circle body 3 again by welding manner; Again by being equiped with the molding press of difformity rolling die, the section of this circle body is carried out the difformity roll-forming in regular turn, consult shown in Figure 3ly, make its aluminium alloy rim that forms required section configuration gradually 4.Its major defect is:
1, because, in traditional manufacturing process, be to make section be flat aluminium alloy circle body, be rolled into the section configuration of required aluminium alloy rim, must utilize many groups of roll squeezers with difformity rolling die, respectively circle body is carried out difform roll-forming, to form required section configuration gradually, so in its roll-forming program, need the expensive roll squeezer of the most groups of configuration, cause its facility cost too high, and difform roll-forming operation not only make procedure numerous and diverse, cause time and artificial going up greatly to waste, the running of most group roll squeezers also causes waste greatly on the energy, causes the whole production cost of aluminium alloy rim can not to be in any more.
2, in addition, because the method for making of traditional aluminium alloy rim is by the roll-in unit section to be flat aluminium alloy circle body, carry out difform roll-forming operation, to form required section configuration gradually, so in whole roll-forming process, very easily make flat aluminium alloy circle body, because of roll-in inhomogeneous, and attenuation or distortion take place, and causing made aluminium alloy rim, it is inhomogeneous that distribution of weight takes place, or hardness situation on the low side, have a strong impact on service life of traditional aluminium alloy rim.
Summary of the invention
At above-mentioned defective, the inventor develops technical scheme of the present invention finally through the permanent research and experiment of making great efforts.
Main purpose of the present invention provides a kind of method for making of aluminium alloy rim, mainly be earlier with aluminum alloy materials, directly utilize the extrusion modling mode, according to required wheel rim section configuration, produce the sheet material of aluminium alloy, utilize one group of stitching surface identical again with this wheel rim section configuration, and the mould up and down that is a suitable curved arc angle along this sheet material length direction, this sheet material is exerted pressure one by one along its length direction segmentation, to form the circular rim shape, and two ends weld together this seam crossing after closing forms a seam gradually again, finish the semi-finished product of aluminium alloy rim, again these semi-finished product are carried out annealing in process in regular turn, integer is handled, heat treatment and turning are handled, the complete finished product of an aluminium alloy rim overcomes the drawback of prior art, reaches the facility cost that reduces roll squeezer, reduce the purpose of procedure and energy savings.
Another object of the present invention provides a kind of method for making of aluminium alloy rim, directly utilize the extrusion modling mode, aluminum alloy materials is complied with required wheel rim section configuration, produce one identical with the wheel rim section configuration, and its inboard has the aluminum alloy plate materials of rib, by pressing mold its segmentation is exerted pressure again, form the wheel loop-shaped of a circle, again the formed seam in two ends is welded together, finish the aluminium alloy rim semi-finished product that an inboard has rib, again semi-finished product are processed processing in regular turn, the inboard that completes has the aluminium alloy rim of rib, it is inhomogeneous to overcome roll-in, and attenuation or distortion take place, and reaches distribution of weight and evenly reaches the purpose that improves service life.
The object of the present invention is achieved like this: a kind of method for making of aluminium alloy rim is characterized in that: it comprises the steps:
(1) directly utilizes the extrusion modling mode, an aluminum alloy materials according to required wheel rim section configuration, is produced the sheet material of an aluminium alloy;
(2) utilize one group of stitching surface identical again, and be the mould up and down of a suitable curved arc angle, this sheet material is exerted pressure one by one along its length direction segmentation along this sheet material length direction with this wheel rim section configuration;
(3) form circular wheel loop-shaped at this sheet material, and two ends weld together this seam crossing after closing forms a seam gradually again, finish the semi-finished product of this aluminium alloy rim;
(4) these semi-finished product are carried out annealing in process, integer processing, heat treatment and turning in regular turn and handle the finished product of the aluminium alloy rim that completes.
This aluminum alloy materials comprises and directly utilizes the extrusion modling mode, produces the aluminum alloy plate materials that an inner edge has rib according to required wheel rim section configuration.This upper and lower mould is to be mounted to respectively on the upper and lower holder that is connected on the oil compression rod of a hydraulic press, corresponding stitching surface on this two molds just forms the wheel rim section configuration that institute's desire is made, make this sheet material be installed between the corresponding stitching surface of this two molds, the stitching surface of this two correspondence also is a suitable curved arc angle along this sheet material length direction, drive this hydraulic press, make this two molds that this sheet material is exerted pressure, form a curved arc shape thereon.The size of this curved arc angle is between the 15-60 degree.The radius of this curved arc angle is equivalent to the aluminium alloy rim radius that institute's desire is made.Two side positions of contiguous this mold, add an auxiliary wheel respectively, the wheel carrier of these auxiliary wheels is to be fixedly installed on the upper fixed seat of this hydraulic press, when this sheet material that these auxiliary wheels are put on to this bed die at this mold is exerted pressure, synchronization action, make the contiguous part that is pressed on this sheet material, produce continuous modification along this curved arc angle.This two molds is earlier this sheet material to be exerted pressure respectively along the position of contiguous two ends of its length direction, makes two ends of this sheet material form a predetermined curved arc shape respectively.After two ends of this sheet material being finished a curved arc shape of being scheduled to, utilize sawing machine that the formed inhomogeneous deformation amount of this aluminum alloy plate materials biend is removed.After removing the formed inhomogeneous deformation amount of these sheet material two ends, form a predetermined lead angle by milling machine in the biend of this sheet material, when this sheet material was pressed into circular rim, its two ends closing formed a V-shape seam.After this sheet material is pressed into circular rim, impose local spot welding in this seam crossing again, make this sheet material be shaped into circular rim.After this sheet material is shaped into circular rim, again this V-shape seam is carried out melting welding and handle, make the aluminium alloy scolder in this seam, be welded together with the biend of this sheet material, form the semi-finished product of an aluminium alloy rim.
Describe in detail below in conjunction with the preferred embodiment conjunction with figs..
Description of drawings
Fig. 1 is the schematic diagram of the flat aluminium alloy plate in traditional aluminium alloy rim method for making;
Fig. 2 is the half-finished schematic diagram of aluminium alloy rim in traditional aluminium alloy rim method for making;
Fig. 3 is the schematic diagram of aluminium alloy rim made in traditional aluminium alloy rim method for making;
Fig. 4 is the schematic diagram of aluminum alloy plate materials of the present invention;
Fig. 5 is the schematic diagram of the pressure setting of flat aluminium alloy plate of the present invention;
Fig. 6 is the schematic diagram of the aluminium alloy rim of the embodiment of the invention 2;
Fig. 7 is the schematic diagram of the flat aluminium alloy plate of bending of the present invention;
Fig. 8 is the schematic diagram of aluminum alloy plate materials of the present invention;
Fig. 9 is the schematic perspective view of the made aluminium alloy rim of the present invention;
Figure 10 is the end face welding schematic diagram of aluminium alloy rim of the present invention;
Figure 11 is the half-finished shaping schematic diagram of aluminium alloy rim of the present invention;
Figure 12 is the schematic diagram of the aluminium alloy rim of the embodiment of the invention 3.
The specific embodiment
Embodiment 1
Consult Fig. 4-shown in Figure 6, the present invention is a kind of method for making of aluminium alloy rim, mainly is with aluminum alloy materials, directly utilizes the extrusion modling mode, produces an aluminum alloy plate materials 10 earlier according to required wheel rim section configuration, consults shown in Figure 4;
Utilize one group of upper and lower mould 20,30 again, consult shown in Figure 5ly, this sheet material 10 is exerted pressure respectively along the position of contiguous two ends of its length direction, make two ends of this sheet material 10 form the shape of a predetermined θ radian respectively, consult shown in Figure 6.
Consult shown in Figure 5, on being somebody's turn to do, bed die 20, the 30th, be mounted to respectively connected on the oil compression rod (not shown) of a hydraulic press on, lower fixed seat 28, on 38 (among the figure dotted line partly shown in), this two molds 20, corresponding stitching surface 21 on 30,32 just can form the wheel rim section configuration that institute's desire is made, make this sheet material 10 can be installed on this two molds 20,30 corresponding stitching surface 21,32, the stitching surface 21 of this two correspondence, 32 and be a suitable curved arc angle θ along these sheet material 10 length directions, drive this hydraulic press, make this two molds 20, after 30 pairs of these sheet materials 10 are exerted pressure, can form the curved arc shape of a θ angle thereon, the size of this curved arc angle θ, the needs of visual actual job, with design is the best between the 15-60 degree, and the radius of this curved arc angle θ then is equivalent to the aluminium alloy rim radius that institute's desire is made.
In present embodiment 1, in the process of avoiding aforementioned pressing and forming, be pressed the part of moulding and not being pressed between part of adjacency on this sheet material 10, discontinuous distortion takes place, special in two side positions of contiguous this mold 20, install an auxiliary wheel 40 respectively additional, and the wheel carrier 41 of these auxiliary wheels 40 is fixedly installed on the upper fixed seat 28 of this hydraulic press, when this sheet material 10 that these auxiliary wheels 40 are put on 20 pairs of these bed dies 30 of this mold is exerted pressure, but synchronization action, make not being pressed partly of these adjacency on this sheet material 10,, produce continuous modification along this curved arc angle θ.
Consult shown in Figure 7, after the present invention finishes the shaping of a predetermined arc θ to two ends of this sheet material 10, the biend of this aluminum alloy plate materials 10, will be because of the extruding of its metallic molecule structure, and uneven distortion takes place along its length direction, the deflection Δ LC that makes its central part is greater than its both sides Δ LS, so the present invention makes this sheet material 10 in follow-up processing procedure, circular rim can successfully be pressed into, and the even closing in two ends forms a seam, must be earlier with the formed inhomogeneous deformation amount of these aluminum alloy plate materials 10 biends Δ L, consult shown in Figure 8ly, utilize sawing machine that it is removed.
In addition, when making this sheet material 10 be pressed into circular rim smoothly, the seam of its even closing in two ends, be that to be an outer rim gap bigger, but the V-shape seam of the tight closing of inner edge still can be passed through milling machine, forms a predetermined lead angle in the biend of this aluminum alloy plate materials 10.
Again this aluminum alloy plate materials 10 is placed in 20,30 on this upper and lower mould, along its length direction, to not being pressed into the part of type as yet, the pressing operation is carried out in segmentation one by one, and is pressed into circular rim at this sheet material, consults shown in Figure 9, and two ends are after closing forms a V-shape seam 51 gradually, with these seam 51 places, impose local spot welding 60 again, this aluminum alloy plate materials 10 can be shaped into circular rim.
Consult shown in Figure 10ly, the present invention carries out melting welding to this V-shape seam 51 again and handles, make aluminium alloy scolder 61 this V-shape seam 51 in and the biend of this aluminum alloy plate materials be welded together, promptly form the semi-finished product 50 of aluminium alloy rim of the present invention.
After finishing these wheel rim semi-finished product 50, the present invention is for eliminating its seam 51 places, because of the thermal stress that welding is caused is concentrated, and make its molecular structure evenly distributed, can carry out annealing in process to these semi-finished product 50 again, after finishing annealing in process, these wheel rim semi-finished product 50 can be placed in another hydraulic press (not shown) on, following shaping mould 81,82, consult shown in Figure 11, on being somebody's turn to do, following shaping mould 81, the 82nd, be mounted to respectively on the oil compression rod and holder of this hydraulic press, this two shaping mould 81, the shape of the corresponding stitching surface on 82, shapes proper and the wheel rim inner edge both sides that institute's desire is made are identical, so when this two shaping mould 81, when exert pressure in the inner edge both sides of 82 pairs of these semi-finished product 50, the error that these semi-finished product 50 shapes of recoverable are produced in forming process, order these semi-finished product 50 after integer is handled obtain the identical inner edge shape of wheel rim with institute's desire manufacturing.
The present invention heat-treats in regular turn to these semi-finished product 50 again, by a series of heat treatment, make its material cured, to increase its structural strength, and utilize turning to handle, eliminate the inhomogeneous outstanding of these semi-finished product 50 outer fringe surfaces, to form an even and smooth outer fringe surface, the finished product of an aluminium alloy rim so, promptly completes.
In embodiments of the invention 1, consult again shown in Figure 4, with aluminum alloy materials, directly utilize the extrusion modling mode, when producing an aluminum alloy plate materials 10, can comply with required wheel rim section configuration, produce one identically with the wheel rim section configuration, and its inner rim has the aluminum alloy plate materials 10 of a rib 11.
Embodiment 2
Consult Fig. 5-shown in Figure 6, in embodiments of the invention 2, when this aluminum alloy plate materials 10 when carrying out pressing and forming, this two molds 20 of being installed on this hydraulic press, in 30, on the stitching surface 32 corresponding to the bed die 30 of this rib 11, be provided with one just can ccontaining this rib 11 chase 31, this aluminum alloy plate materials 10 with rib 11 is again by these pressing molds 20,30 segmentations are exerted pressure, form a circular rim, and finish follow-up welding, annealing, integer, behind processing such as heat treatment and the turning handling procedure, can produce the aluminium alloy rim that an inboard has rib 11, consult shown in Figure 6.
Embodiment 3
Consult shown in Figure 12, in embodiments of the invention 3, by on this rib 11, offering the hole 13 of most symmetries, lock member 90 with one can be matched with automotive hub wheel disc 70, secure on these holes 13, and make this set wheel disc 70 of this aluminium alloy rim 50 and its inner rim firmly be combined into one, need not numerous and diverse welding procedure therebetween fully, and can pass through this rib 11, effectively increase the structural strength of this aluminium alloy rim 50.
The above only is a most preferred embodiment of the present invention, and structural feature of the present invention is not limited thereto, and anyly is familiar with this skill person, in field of the present invention, can think easily and variation or modification, all can be encompassed within protection scope of the present invention.

Claims (11)

1, a kind of method for making of aluminium alloy rim, it is characterized in that: it comprises the steps:
(1) directly utilizes the extrusion modling mode, an aluminum alloy materials according to required wheel rim section configuration, is produced the sheet material of an aluminium alloy;
(2) utilize one group of stitching surface identical again, and be the mould up and down of a suitable curved arc angle, this sheet material is exerted pressure one by one along its length direction segmentation along this sheet material length direction with this wheel rim section configuration;
(3) form circular wheel loop-shaped at this sheet material, and two ends weld together this seam crossing after closing forms a seam gradually again, finish the semi-finished product of this aluminium alloy rim;
(4) these semi-finished product are carried out annealing in process, integer processing, heat treatment and turning in regular turn and handle the finished product of the aluminium alloy rim that completes.
2, the method for making of aluminium alloy rim according to claim 1 is characterized in that: this aluminum alloy materials comprises and directly utilizes the extrusion modling mode, produces the aluminum alloy plate materials that an inner edge has rib according to required wheel rim section configuration.
3, the method for making of aluminium alloy rim according to claim 1, it is characterized in that: this upper and lower mould is to be mounted to respectively on the upper and lower holder that is connected on the oil compression rod of a hydraulic press, corresponding stitching surface on this two molds just forms the wheel rim section configuration that institute's desire is made, make this sheet material be installed between the corresponding stitching surface of this two molds, the stitching surface of this two correspondence also is a suitable curved arc angle along this sheet material length direction, drive this hydraulic press, make this two molds that this sheet material is exerted pressure, form a curved arc shape thereon.
4, the method for making of aluminium alloy rim according to claim 3 is characterized in that: the size of this curved arc angle is between the 15-60 degree.
5, the method for making of aluminium alloy rim according to claim 3 is characterized in that: the radius of this curved arc angle is equivalent to the aluminium alloy rim radius that institute's desire is made.
6, the method for making of aluminium alloy rim according to claim 3, it is characterized in that: two side positions of contiguous this mold, add an auxiliary wheel respectively, the wheel carrier of these auxiliary wheels is to be fixedly installed on the upper fixed seat of this hydraulic press, when this sheet material that these auxiliary wheels are put on to this bed die at this mold is exerted pressure, synchronization action makes the contiguous part that is pressed on this sheet material, produces continuous modification along this curved arc angle.
7, the method for making of aluminium alloy rim according to claim 6 is characterized in that: this two molds is earlier this sheet material to be exerted pressure respectively along the position of contiguous two ends of its length direction, makes two ends of this sheet material form a predetermined curved arc shape respectively.
8, the method for making of aluminium alloy rim according to claim 7 is characterized in that: after two ends of this sheet material being finished a curved arc shape of being scheduled to, utilize sawing machine that the formed inhomogeneous deformation amount of this aluminum alloy plate materials biend is removed.
9, the method for making of aluminium alloy rim according to claim 8, it is characterized in that: after removing the formed inhomogeneous deformation amount of these sheet material two ends, form a predetermined lead angle by milling machine in the biend of this sheet material, when this sheet material was pressed into circular rim, its two ends closing formed a V-shape seam.
10, the method for making of aluminium alloy rim according to claim 9 is characterized in that: after this sheet material is pressed into circular rim, impose local spot welding in this seam crossing again, make this sheet material be shaped into circular rim.
11, the method for making of aluminium alloy rim according to claim 10, it is characterized in that: after this sheet material is shaped into circular rim, again this V-shape seam is carried out melting welding and handle, make the aluminium alloy scolder in this seam, be welded together, form the semi-finished product of an aluminium alloy rim with the biend of this sheet material.
CNA03100105XA 2003-01-02 2003-01-02 Method for making aluminium alloy collar rim Pending CN1515370A (en)

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CNA03100105XA CN1515370A (en) 2003-01-02 2003-01-02 Method for making aluminium alloy collar rim

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CNA03100105XA CN1515370A (en) 2003-01-02 2003-01-02 Method for making aluminium alloy collar rim

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102294575A (en) * 2011-08-19 2011-12-28 苏竞 Manufacturing method of light vehicle aluminium alloy hubs
CN103386583A (en) * 2012-05-07 2013-11-13 湖南晟通科技集团有限公司 Method for manufacturing aluminum rim
CN106964945A (en) * 2017-04-26 2017-07-21 福建泉海工贸投资集团有限公司 A kind of production technology of guide wheel wheel blank

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102294575A (en) * 2011-08-19 2011-12-28 苏竞 Manufacturing method of light vehicle aluminium alloy hubs
CN103386583A (en) * 2012-05-07 2013-11-13 湖南晟通科技集团有限公司 Method for manufacturing aluminum rim
CN106964945A (en) * 2017-04-26 2017-07-21 福建泉海工贸投资集团有限公司 A kind of production technology of guide wheel wheel blank

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