CN103978945B - Screen aluminum alloy and welding process thereof - Google Patents
Screen aluminum alloy and welding process thereof Download PDFInfo
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- CN103978945B CN103978945B CN201410240478.1A CN201410240478A CN103978945B CN 103978945 B CN103978945 B CN 103978945B CN 201410240478 A CN201410240478 A CN 201410240478A CN 103978945 B CN103978945 B CN 103978945B
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Abstract
The invention discloses a kind of screen aluminum alloy, comprise grid body and filter frame, described grid body comprises frame and V-type bar, described V-type bar number is multiple and is parallel to each other, comprise V-type bar and lower V-type bar, in opposite directions and two ends are weldingly fixed on frame inwall, described filter frame is weldingly fixed on frame sidewall for described upper V-type bar and lower V-type bar notch; Between upper V-type bar and lower V-type bar, perpendicular to V-type bar direction, be provided with reinforced rib, described reinforced rib is connected with upper V-type bar and the spot welding of lower V-type bar notch respectively, and described reinforced rib two ends are weldingly fixed on frame inwall.The invention also discloses the method for this screen aluminum alloy of welding.The technique of welding aluminum alloy grid of the present invention, by adjustment welding process step and welding condition, significantly can reduce welding deformation amount, improves yield rate, reduces costs, enhance productivity.
Description
Technical field
The invention belongs to aluminum alloy bodywork parts, relate to the technique of screen aluminum alloy and this aluminum alloy grid of welding manufacture.
Background technology
Screen aluminum alloy has the advantage of good looking appearance, withstanding corrosion, easy cleaning, is widely used in train and automotive field, but due to the welding performance of aluminum alloy poor, existing car body screen aluminum alloy often shape and structure is simple, can not meet operating needs; And screen aluminum alloy welding process is at present perfect not, often easily produces welding deformation, the adjusting technique needing some follow-up, more complicated in actual welding process, there is link too much and the problem such as operating difficulties, add the waste of cost and resource.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of novel aluminum alloy grid.
For achieving the above object, the invention provides following technical scheme:
A kind of screen aluminum alloy, comprise grid body and filter frame, described grid body comprises frame and V-type bar, described V-type bar number is multiple and is parallel to each other, comprise V-type bar and lower V-type bar, in opposite directions and two ends are weldingly fixed on frame inwall, described filter frame is weldingly fixed on frame sidewall for described upper V-type bar and lower V-type bar notch.
Preferred as screen aluminum alloy of the present invention, between upper V-type bar and lower V-type bar, perpendicular to V-type bar direction, be provided with reinforced rib, described reinforced rib is connected with upper V-type bar and the spot welding of lower V-type bar notch respectively, and described reinforced rib two ends are weldingly fixed on frame inwall.
Preferred as screen aluminum alloy of the present invention, described upper V-type bar and lower V-type bar are arc-shaped, and described upper V-type bar number is 12-16, and described lower V-type bar number is 13-17, and described upper V-type bar is in same curved surface, and described lower V-type bar is in another curved surface.
Preferred as screen aluminum alloy of the present invention, described frame is rectangle, and is formed by four sections of aluminium section bar weldings.
Preferred as screen aluminum alloy of the present invention, described filter frame entirety is U-shaped, be welded by U-type strip a, H type bar and U-type strip b, described U-type strip a two ends are welded and fixed with one end of H type bar and U-type strip b respectively, and described U-type strip a21, H type bar 22 are relative with U-type strip b23 notch.
Preferred as screen aluminum alloy of the present invention, also comprise jam, described jam is weldingly fixed on the outer wall of frame, and with frame outer wall vertical.
Preferred as screen aluminum alloy of the present invention, grille section (upper and lower V-type is or/and grid body) all adopts the section bar of 6005A-T6.
Preferred as screen aluminum alloy of the present invention, upper and lower V-type bar is staggered to be put.
Grid of the present invention is mainly used in the protection of high and cold equipment cabin of motor train unit, can ensure the mechanical characteristics under the low temperature of-35 DEG C; The present invention can be good at stopping blown sand, stone, rainwater access arrangement cabin by reasonably arranging upper and lower V-type bar; Another newly-increased jam can well seal the joint place of grid and skirtboard.
The present invention also provides a kind of technique of welding this screen aluminum alloy, comprises the following steps:
1), frame welding: get aluminum strip and be placed in welding tooling, welding obtains grille side, and during welding, bevel for welding is in two Y shape, groove angle is 68-72 °, welding parameter: I=130 ~ 150A, V=3.0 ~ 3.5mm/s, 100%Ar protects, gas flow=12 ~ 15L/min;
2), grid body welding: first outer V-type bar is placed in frame inside, is welded and fixed, then reinforced rib is put into frame inside, be welded and fixed, finally interior V-type bar is placed in frame inside, is welded and fixed;
3), jam welding: step jam being weldingly fixed on frame outer wall, this step employing two-sided welding, welding parameter: I=120 ~ 130A, V=3.0 ~ 3.5mm/s, 100%Ar protection, gas flow=12 ~ 15L/min;
4), filter frame welding: get U-type strip a, H type bar and U-type strip b, be welded and fixed respectively at U-type strip a two ends with one end of H type bar and U-type strip b, U-type strip a during welding, U-type strip b notch are relative;
5), filter frame and grid body assembly welding: adopt the mode of intermittently welding by step 4) weld gained filter frame and step 2) weld gained grid body and be welded and fixed.
Preferred as welding aluminum alloy grid technique of the present invention, step 2) be welded and fixed inside and outside V-type bar welding parameter: I=180 ~ 200A, V=3.0 ~ 3.5mm/s, 100%Ar protection, gas flow=12 ~ 15L/min; Welding parameter I=200 ~ 220A, V=3.0 when being welded and fixed reinforced rib ~ 3.5mm/s, 100%Ar protection, gas flow=12 ~ 15L/min.
Preferred as welding aluminum alloy grid technique of the present invention, step 4) filter frame weld time, welding parameter: I=110 ~ 120A, V=3.0 ~ 3.5mm/s, 100%Ar protection, gas flow=12 ~ 15L/min.
Preferred as welding aluminum alloy grid technique of the present invention, step 5) filter frame and grid body assembly welding time welding parameter: I=120 ~ 140A, V=3.0 ~ 3.5mm/s, 100%Ar protects, gas flow=12 ~ 15L/min.
Beneficial effect of the present invention is: the technique of welding aluminum alloy grid of the present invention, by adjustment welding process step and welding condition, significantly can reduce welding deformation amount, improves yield rate, reduces costs, enhance productivity.
Accompanying drawing explanation
In order to make object of the present invention, technical scheme and beneficial effect clearly, the invention provides following accompanying drawing and being described:
Fig. 1 is screen aluminum alloy block diagram of the present invention;
Fig. 2 is screen aluminum alloy birds-eye view of the present invention;
Fig. 3 is the A-A view of Fig. 2;
Fig. 4 is the B-B view of Fig. 2;
Fig. 5 is screen aluminum alloy filter frame constructional drawing;
The left view of Fig. 6 Fig. 5;
Fig. 7 a is screen aluminum alloy filter frame block diagram, and Fig. 7 b is I place enlarged drawing;
Fig. 8 a is U-type strip a constructional drawing, and Fig. 8 b is the A-A view of Fig. 8 a;
Fig. 9 a is H type bar constructional drawing, and Fig. 9 b is the left view of Fig. 9 a, and figure c is the A-A view of figure a;
Figure 10 a is U-type strip b constructional drawing, and Figure 10 b is the A-A view of Figure 10 a;
In figure: 1-grid body, 2-filter frame, 3-jam; 11-frame, 12-V-type bar, 13-reinforced rib, 121-upper V-type bar, 122-lower V-type bar; 21-U-type strip a, 22-H type bar, 23-U-type strip b.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
Embodiment 1:
As Figure 1-10 shows, the present embodiment screen aluminum alloy, comprise grid body 1 and filter frame 2, described grid body 1 comprises frame 11 and V-type bar 12, described V-type bar 12 number is multiple and is parallel to each other, comprise V-type bar 121 and lower V-type bar 122, in opposite directions and two ends are weldingly fixed on frame 11 inwall, described filter frame 2 is weldingly fixed on frame 11 sidewall for described upper V-type bar 121 and lower V-type bar 122 notch.
In this enforcement, grille section all adopts the section bar of 6005A-T6.
In this enforcement, upper and lower V-type bar is staggered to be put.
In this enforcement, be provided with reinforced rib between upper V-type bar 121 and lower V-type bar 122, perpendicular to V-type bar 12 direction, described reinforced rib is connected with upper V-type bar 121 and the spot welding of lower V-type bar 122 notch respectively, and described reinforced rib two ends are weldingly fixed on frame 11 inwall.
In this enforcement, described upper V-type bar 121 and lower V-type bar 122 are in arc-shaped, and described upper V-type bar 121 number is 12-16, and described lower V-type bar 122 number is 13-17, and described upper V-type bar 121 is in same curved surface, and described lower V-type bar 121 is in another curved surface; The transversal surface of the curved surface be now made up of upper V-type bar or lower V-type bar is identical with V-type strip, and profile is straight line.
In this enforcement, described frame 11 is rectangle, and is formed by four sections of aluminium section bar weldings.
In this enforcement, described filter frame 2 is overall U-shaped, be welded by U-type strip a21, H type bar 22 and U-type strip b23, described U-type strip a21 two ends are welded and fixed with one end of H type bar 22 and U-type strip b23 respectively, and described U-type strip a21, H type bar 22 are relative with U-type strip b23 notch.
The screen aluminum alloy of this enforcement, also comprises jam 3, and described jam 3 is weldingly fixed on the outer wall of frame 11, and with frame 11 outer wall vertical; Arrange jam, the space that grid can be prevented to be arranged on skirtboard existence enters sandstone, rainwater etc.
The technique of the present embodiment welding aluminum alloy grid, comprises the following steps:
1), frame welding: get aluminum strip and be placed in welding tooling, welding obtains grille side, and during welding, bevel for welding is in two Y shape, groove angle is 68-72 °, welding parameter: I=130 ~ 150A, V=3.0 ~ 3.5mm/s, 100%Ar protects, gas flow=12 ~ 15L/min; It should be noted that, the frame of the present embodiment is welded by four sections of aluminium section bars and forms, and also comprises the step (bevel for welding after bending process is butting grooves) bent wherein at least two sections of profiled ends before welding.
2), grid body welding: first outer V-type bar is placed in frame inside, fix with frame interior welds, then reinforced rib is put into frame inside, and frame inside and V-type bar are welded and fixed, finally interior V-type bar is placed in frame inside, and frame inside and reinforced rib are welded and fixed;
3), jam welding: step jam being weldingly fixed on frame outer wall, this step employing two-sided welding, welding parameter: I=120 ~ 130A, V=3.0 ~ 3.5mm/s, 100%Ar protection, gas flow=12 ~ 15L/min;
4), filter frame welding: get U-type strip a, H type bar and U-type strip b, be welded and fixed respectively at U-type strip a two ends with one end of H type bar and U-type strip b, U-type strip a during welding, U-type strip b notch are relative;
5), filter frame and grid body assembly welding: adopt the mode of intermittently welding by step 4) weld gained filter frame and step 2) weld gained grid body and be welded and fixed, first filter frame is overlayed on the frame of grid body during welding, then weld.
In the present embodiment, step 2) be welded and fixed inside and outside V-type bar welding parameter: I=180 ~ 200A, V=3.0 ~ 3.5mm/s, 100%Ar protection, gas flow=12 ~ 15L/min; Welding parameter I=200 ~ 220A, V=3.0 when being welded and fixed reinforced rib ~ 3.5mm/s, 100%Ar protection, gas flow=12 ~ 15L/min.
In the present embodiment, step 4) filter frame weld time, welding parameter: I=110 ~ 120A, V=3.0 ~ 3.5mm/s, 100%Ar protection, gas flow=12 ~ 15L/min.
In the present embodiment, step 5) filter frame and grid body assembly welding time welding parameter: I=120 ~ 140A, V=3.0 ~ 3.5mm/s, 100%Ar protects, gas flow=12 ~ 15L/min.
The technique of welding aluminum alloy grid of the present invention, by adjustment welding process step and welding condition, significantly can reduce welding deformation amount, improves yield rate, reduces costs, enhance productivity.
Fig. 1 is invention screen aluminum alloy block diagram, and as can be seen from the figure, screen aluminum alloy global shape of the present invention is similar to cuboid, and its long sideband has certain radian.
Fig. 2 is screen aluminum alloy birds-eye view of the present invention, and entirety is rectangle, and its aspect ratio is (680 ~ 720) × (530 ~ 570).
Fig. 3 is the A-A view (not shown filter frame) of Fig. 2; Therefrom can find out, V-type bar is divided into two-layer up and down, and upper strata V and lower floor's V-type notch are arranged in opposite directions, and each V-type bar bearing of trend is identical, and V-type bar two ends are welded and fixed with frame inwall respectively; Scheme at the middle and upper levels in V-type bar or lower floor's V-type bar each V-type bar equidistantly arrange, and the projection of upper strata V-type bar is just to the gap of lower floor's V-type bar.
Fig. 4 is the B-B view (not shown filter frame) of Fig. 2; Also be provided with reinforced rib between visible upper strata V-type bar and lower floor's V-type bar, in figure, the number of reinforced rib is two, and each reinforced rib two ends are welded and fixed with frame inwall respectively, and centre is fixed with each upper strata V-type bar and lower floor's V-type bar electric welding respectively.
Fig. 5 is aluminum alloy bodywork grid filtration mount structure figure; This filter frame visible is welded by U-type strip a, H type bar and U-type strip b, and wherein U-type strip a two ends are welded and fixed with one end of H type bar and U-type strip b respectively, and U-type strip a, U-type strip b notch are relative;
Fig. 7 a is aluminum alloy bodywork grid filtration frame block diagram, and Fig. 7 b is I place enlarged drawing, and in figure, thick black line represents weld seam.
Fig. 8 a is U-type strip a constructional drawing, and Fig. 8 b is the A-A view of Fig. 8 a; Its cross section visible is U-shaped, and wall thickness is 2mm, and sectional dimension is 30 × 30mm.
Fig. 9 a is H type bar constructional drawing, and Fig. 9 b is the A-A view of Fig. 9 a; Its cross section visible is H type, and wall thickness is 2mm, and sectional dimension is 20 × 30mm, and the long edge lengths of its h is 58mm.
Figure 10 a is U-type strip b constructional drawing, and Figure 10 b is the A-A view of Figure 10 a; Its cross section visible is U-shaped, and wall thickness is 2mm, and sectional dimension is 20 × 30mm.
What finally illustrate is, above preferred embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although by above preferred embodiment to invention has been detailed description, but those skilled in the art are to be understood that, various change can be made to it in the form and details, and not depart from claims of the present invention limited range.
Claims (6)
1. a screen aluminum alloy, comprise grid body (1) and filter frame (2), it is characterized in that: described grid body (1) comprises frame (11) and V-type bar (12), described V-type bar (12) number is multiple and is parallel to each other, comprise V-type bar (121) and lower V-type bar (122), in opposite directions and two ends are weldingly fixed on frame (11) inwall, described filter frame (2) is weldingly fixed on frame (11) sidewall for described upper V-type bar (121) and lower V-type bar (122) notch;
Between upper V-type bar (121) and lower V-type bar (122), V-type bar (12) direction is provided with reinforced rib, described reinforced rib is connected with upper V-type bar (121) and lower V-type bar (122) notch spot welding respectively, and described reinforced rib two ends are weldingly fixed on frame (11) inwall;
Described upper V-type bar (121) and lower V-type bar (122) are in arc-shaped, described upper V-type bar (121) number is 12,13,14,15,16, described lower V-type bar (122) number corresponds to 13,14,15,16,17 respectively, described upper V-type bar (121) is in same curved surface, and described lower V-type bar (121) is in another curved surface;
Described frame (11) is rectangle, and is formed by four sections of aluminium section bar weldings;
Described filter frame (2) is overall U-shaped, be welded by U-type strip a (21), H type bar (22) and U-type strip b (23), described U-type strip a (21) two ends are welded and fixed with one end of H type bar (22) and U-type strip b (23) respectively, and described U-type strip a (21), H type bar (22) are relative with U-type strip b (23) notch.
2. screen aluminum alloy according to claim 1, it is characterized in that: also comprise jam (3), described jam (3) is weldingly fixed on the outer wall of frame (11), and with frame (11) outer wall vertical.
3. the technique of welding screen aluminum alloy as described in claim 1-2 any one, is characterized in that, comprise the following steps:
1), frame welding: get aluminum strip and be placed in welding tooling, welding obtains grille side, and during welding, bevel for welding is in two Y shape, groove angle is 68-72 °, welding parameter: I=130 ~ 150A, V=3.0 ~ 3.5mm/s, 100%Ar protects, gas flow=12 ~ 15L/min;
2), grid body welding: first upper V-type bar is placed in frame inside, is welded and fixed, then reinforced rib is put into frame inside, be welded and fixed, finally lower V-type bar is placed in frame inside, is welded and fixed;
3), jam welding: step jam being weldingly fixed on frame outer wall, this step employing two-sided welding, welding parameter: I=120 ~ 130A, V=3.0 ~ 3.5mm/s, 100%Ar protection, gas flow=12 ~ 15L/min;
4), filter frame welding: get U-type strip a, H type bar and U-type strip b, be welded and fixed respectively at U-type strip a two ends with one end of H type bar and U-type strip b, U-type strip a during welding, U-type strip b notch are relative;
5), filter frame and grid body assembly welding: adopt the mode of intermittently welding by step 4) weld gained filter frame and step 2) weld gained grid body and be welded and fixed.
4. the technique of welding aluminum alloy grid according to claim 3, it is characterized in that: step 2) be welded and fixed V-type bar, lower V-type bar welding parameter: I=180 ~ 200A, V=3.0 ~ 3.5mm/s, 100%Ar protect, gas flow=12 ~ 15L/min; Welding parameter I=200 ~ 220A, V=3.0 when being welded and fixed reinforced rib ~ 3.5mm/s, 100%Ar protection, gas flow=12 ~ 15L/min.
5. the technique of welding aluminum alloy grid according to claim 3, is characterized in that: step 4) filter frame welding time, welding parameter: I=110 ~ 120A, V=3.0 ~ 3.5mm/s, 100%Ar protection, gas flow=12 ~ 15L/min.
6. the technique of welding aluminum alloy grid according to claim 3; it is characterized in that: step 5) filter frame and grid body assembly welding time welding parameter: I=120 ~ 140A; V=3.0 ~ 3.5mm/s, 100%Ar protect, gas flow=12 ~ 15L/min.
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| CN201410240478.1A CN103978945B (en) | 2014-05-30 | 2014-05-30 | Screen aluminum alloy and welding process thereof |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104908764A (en) * | 2015-06-23 | 2015-09-16 | 南车青岛四方机车车辆股份有限公司 | Rail train and device cabin thereof |
| RU179189U1 (en) * | 2017-03-23 | 2018-05-03 | Илья Анатольевич Кокаев | CAR RADIATOR PROTECTION DEVICE |
| CN108127280B (en) * | 2017-11-03 | 2019-12-31 | 武汉船用机械有限责任公司 | Grid plate welding method for working boat |
| CN107878478B (en) * | 2017-11-23 | 2023-05-26 | 江苏恒神股份有限公司 | Train carbon fiber composite material skirtboard wind adjusting window |
| CN113859497A (en) * | 2021-10-13 | 2021-12-31 | 中国船舶工业集团公司第七0八研究所 | Steel-aluminum mixed type water jet propulsion grid structure |
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| US5641933A (en) * | 1995-03-15 | 1997-06-24 | Fried. Krupp Ag Hoesch-Krupp | Ballistic grill for special purpose vehicles |
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Effective date of registration: 20160612 Address after: On Wednesday, Luo Da Tai Zhen Wensheng District 111000 village of Liaoyang city in Liaoning Province Patentee after: LIAONING ZHONGWANG ALUMINUM ALLOY DEEP PROCESSING CO., LTD. Address before: 111000 Liaoning province Liaoyang City Wensheng Road No. 299 Patentee before: China Zhongwang Holdings Limited |
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Effective date of registration: 20190509 Address after: 111000 Tiexi Industrial Park, Lighthouse City, Liaoyang City, Liaoning Province Patentee after: Zhongwang (Liaoyang) Aluminum Formwork Manufacturing Co., Ltd. Address before: 111000 Zhoushan Village, Luodatai Town, Wensheng District, Liaoyang City, Liaoning Province Patentee before: LIAONING ZHONGWANG ALUMINUM ALLOY DEEP PROCESSING CO., LTD. |
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