CN207953048U - A kind of hermetic type cavity welding joint structure and its welding fixture - Google Patents
A kind of hermetic type cavity welding joint structure and its welding fixture Download PDFInfo
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- CN207953048U CN207953048U CN201820256435.6U CN201820256435U CN207953048U CN 207953048 U CN207953048 U CN 207953048U CN 201820256435 U CN201820256435 U CN 201820256435U CN 207953048 U CN207953048 U CN 207953048U
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Abstract
The utility model discloses a kind of hermetic type cavity welding joint structures, including cavity and cover board, cavity is equipped with support level, the outside of support level is equipped with step wall, and the thickness of the cover board is D, and the width of the support level is W, the thickness of the step wall is A, as D≤8mm, thickness A >=D+1 of the step wall, width W >=0.5 × D of the support level.The welding fixture of the utility model includes the supporting and positioning device that fixing device and the fixing device are matched for clamping tightly the clamping device of workpiece both sides and are used to support workpiece and are positioned to workpiece, and the supporting and positioning device is set between the fixing device and the clamping device.The welded joint structure and welding fixture of the utility model have many advantages, such as welding quality it is good, suitable for dissimilar material batch welding, can effectively prevent weld defect.
Description
Technical field
The utility model belongs to agitating friction welding technique field more particularly to a kind of hermetic type cavity welding joint structure
And its welding fixture.
Background technology
The part of hermetic type cavity body structure is widely used in the equipment such as radiator, heat exchanger, as cavity type cooled plate is extensive
Applied to high current, the radiator of high-power power distribution cabinet.Cavity and cover board often use different materials, if being melted using traditional
Change weldering to weld it, is also easy to produce stomata, deforms the defects of larger, product qualification rate is low, while fusion welding is to welding surroundings
More demanding, the high processing costs of temperature humidity and welding personnel technical ability.Agitating friction weldering welding can carry out dissimilar material weldering
It connects, weldquality is good, deforms less, is pollution-free, insensitive to environment temperature and humidity, but using agitating friction weldering to closed cavity
Structure is welded, and there is also some problems and difficult points.The design of part of closed cavity is complicated, is processed frequently with forging type
Production, cover board uses plank, thus the welding of the common cast aluminium and aluminium sheet of cavity type cooled plate, during agitating friction weldering
Also the defects of being susceptible to furrow defect, Welding bead subsidence, edge turned-down edge.
Utility model content
The technical problems to be solved in the utility model is to overcome the shortcomings of the prior art, provides a kind of welding quality
It is good, suitable for dissimilar material batch welding and can effectively prevent weld defect hermetic type cavity welding joint structure and its
Welding fixture.
In order to solve the above technical problems, the utility model proposes technical solution be：
A kind of hermetic type cavity welding joint structure, including cavity and cover board, the cavity, which is equipped with, supplies the cover plate lid
Together in the support level on cavity, the outside of the support level, which is equipped with, prevents the step wall that the cover board moves horizontally, described
The thickness of cover board is D, and the width of the support level is W, and the thickness of the step wall is A, as D≤8mm, the step wall
Thickness A >=D+1, width W >=0.5 × D of the support level.
Above-mentioned hermetic type cavity welding joint structure, it is preferred that the width W of the support level is not less than 1mm.
Above-mentioned hermetic type cavity welding joint structure, it is preferred that the thickness A of the step wall is not less than 6mm.
Above-mentioned hermetic type cavity welding joint structure, it is preferred that as D ＞ 8mm, thickness A >=D of the step wall,
Width W >=4mm of the support level.
Above-mentioned hermetic type cavity welding joint structure, it is preferred that the shape of the cover board be circle, ellipse, kidney-shaped,
Overlapped circular shapes, dumb-bell shape, square, rectangle, notch rectangle or polygon.
A kind of welding fixture of workpiece of the clamping with above-mentioned hermetic type cavity welding joint structure, including fixing device,
It is matched for clamping tightly the clamping device of workpiece both sides with the fixing device and is used to support workpiece and the support that workpiece positions is positioned
Device, the supporting and positioning device are set between the fixing device and the clamping device.
Above-mentioned welding fixture, it is preferred that the supporting and positioning device includes support bottom surface and positioning side, the support
Bottom surface and the positioning side are mutually perpendicular to, and the support bottom surface and positioning side are filled with the fixing device and the clamping
It sets vertical.
A kind of workpiece with above-mentioned hermetic type cavity welding joint structure is welded using above-mentioned welding fixture
Method, include the following steps,
(a) fixing device is fixed on the table, is then abutted the supporting and positioning device and perpendicular to solid
Determine device to fix on the table；
(b) workpiece with above-mentioned hermetic type cavity welding joint structure is positioned on the supporting and positioning device, so
After drive the clamping device by Workpiece clamping, ensure that workpiece is adjacent to and gapless with welding fixture；
(c) friction welding (FW) is stirred to workpiece after fastening.
Compared with prior art, the utility model has the advantage of：
The hermetic type cavity welding joint structure of the utility model, as D≤8mm, thickness A >=D+1 of the step wall,
Width W >=0.5 × D of the support level, since the shaft shoulder diameter of stirring-head has downward top power in the welding process,
The aluminium alloy of plastifying state can be caused excessive if stirring-head does not form effective support in the mixing power of welding process, be unable to shape
At good weld seam, therefore select step wall thickness A appropriate that can prevent turned-down edge in welding process, if the thickness mistake of step wall
Small, the edge of step wall, which is easy to collapse during being stirred friction welding (FW), to be fallen to form notch and then influence welding quality；
Select support level width W appropriate that can prevent collapsing for weld seam in welding process, the width of support level is too small, is carrying out
Agitating friction possibly can not support cover board during welding, so as to cause cover board sinking Welding bead subsidence.
The welding fixture of the utility model, including fixing device, clamping device and supporting and positioning device, fixing device and folder
Tight device cooperation can clamp the both sides of workpiece when preventing welding because play or bias effect welding quality, branch occur for workpiece stress
Support positioning device can play the role of supporting workpiece, fix the supporting and positioning device of geomery in addition and can match with fixing device
It closes, workpiece is quickly positioned, ensures the precision of clamping, be matched for clamping tightly device clamping, improve working efficiency.
Description of the drawings
Fig. 1 is the sectional view of hermetic type cavity welding joint structure (without support in cavity).
Fig. 2 is the sectional view (having support in cavity) of hermetic type cavity welding joint structure.
Fig. 3 is the structural schematic diagram of various cover boards.
Fig. 4 is the structural schematic diagram (non-clamping workpiece) of welding fixture in embodiment 1.
Fig. 5 is the structural schematic diagram (clamping workpiece) of welding fixture in embodiment 1.
Fig. 6 is the structural schematic diagram (clamping workpiece) of welding fixture in embodiment 2
Marginal data：
1, cover board；2, cavity；21, support level；22, step wall；3, fixing device；4, clamping device；5, support positioning
Device；51, bottom surface is supported；52, side is positioned；6, precision flatnosed pliers.
Specific implementation mode
For the ease of understanding the utility model, below in conjunction with Figure of description and preferred embodiment to the utility model
It does and more comprehensively, meticulously describes, but the scope of protection of the utility model is not limited to following specific examples.
Embodiment 1：
As shown in Figure 1, the hermetic type cavity welding joint structure of the present embodiment, including cavity 2 and cover board 1, cover board 1 are length
Rectangular, cavity 2 is equipped with is covered on the support level 21 on cavity 2 for cover board 1, and the outside of support level 21, which is equipped with, prevents cover board
1 step wall 22 moved horizontally, the thickness D=6mm of cover board 1, due to D ＜ 8mm, the minimum widith of support level 21 is
The minimum thickness of 0.5 × 6=3mm, step wall 22 are 6+1=7mm, i.e. W >=3mm, A >=7mm.
Embodiment 2：
As shown in Fig. 2, the cavity type cooled plate that the present embodiment is to be welded, including cavity 2 and cover board 1, cover board 1 are circle,
Cavity 2 is equipped with is covered on the support level 21 on cavity 2 for cover board 1, and the outside of support level 21, which is equipped with, prevents cover board 1 horizontal
Mobile step wall 22, the thickness D=10mm of cover board 1, due to D ＞ 8mm, the minimum widith of support level 21 is 4mm, platform
The minimum thickness of rank wall 22 is 10mm, i.e. W >=4mm, A >=10mm.
The design structure size of above-mentioned two embodiment can effectively prevent the welding such as welding process turned-down edge and Welding bead subsidence
Defect improves welding quality.
As shown in Figure 4 and Figure 5, embodiment 1 is welded using the above-mentioned workpiece of welding fixture clamping, and welding fixture includes solid
The branch determined device 3, be matched for clamping tightly the clamping device 4 of workpiece both sides with fixing device 3 and be used to support workpiece and workpiece is positioned
Positioning device 5 is supportted, supporting and positioning device 5 is set between fixing device 3 and clamping device 4, which can will be to be welded
Workpiece precisely, it is firm clamp, to ensure welding precision and welding quality.
The supporting and positioning device 5 of the welding fixture includes support bottom surface 51 and positioning side 52, supports bottom surface 51 and positioning
Side 52 is mutually perpendicular to, and supports bottom surface 51 and positioning side 52 vertical with fixing device 3 and clamping device 4, support bottom surface 51,
Positioning side 52 and the cooperation of fixing device 5 can position workpiece from lateral, longitudinal, vertical three direction dimensions, ensure
Then clamping precision is matched for clamping tightly device by Workpiece clamping, prevent from influencing welding quality because stress play deviates when welding.
As shown in fig. 6, embodiment 2 is welded using following welding method, include the following steps,
(a) fixing device 3 is fixed on precision flatnosed pliers 6, then consolidates supporting and positioning device 5 with screw and positioning pin
It is scheduled on precision flatnosed pliers 6, ensures that fixing device 3 and positioning side 52 are vertical, while ensureing that 6 upper surface of precision flatnosed pliers is concordant
Then precision flatnosed pliers 6 is fixed on workbench by the upper surface of workpiece to form welding fixture with T-bolt, nut
On；
(b) cover board 1 is mounted on to the upper surface of cavity 2, ensures that workpiece upper surface is concordant, then workpiece integral installation exists
In welding fixture, three positioning surfaces ensureing workpiece are close to three positioning surfaces of welding fixture, gapless, then fasten accurate flat
Workpiece clamping, at this time workpiece are in state to be welded by the jaw driving clamping device of brank 6；
(c) it sets live spindle and welds the angle of direction of advance, stirring-head rotating speed, match the welding such as speed of welding ginseng
Number, completes the agitating friction weldering process of workpiece.
Above-mentioned welding method is accurate by workpiece, is firmly fixed in welding fixture, improves welding quality, can be quickly high
Weld out to effect the weld seam of massless defect.
In other embodiments, as shown in figure 3, the shape of cover board 1 can also be circle, ellipse, kidney-shaped, overlapping circle
Shape, dumb-bell shape, square, rectangle, notch rectangle or polygon.
Although the utility model has been disclosed with preferred embodiment as above, it is not limited to the utility model.It is any
Those skilled in the art, in the case where not departing from technical solutions of the utility model range, all using the disclosure above
Technology contents many possible changes and modifications are made to technical solutions of the utility model, or be revised as the equivalent of equivalent variations
Embodiment.Therefore, every content without departing from technical solutions of the utility model, according to the utility model technical spirit to above real
Any simple modifications, equivalents, and modifications that example is done are applied, should all be fallen in the range of technical solutions of the utility model are protected.
Claims (7)
1. a kind of hermetic type cavity welding joint structure, including cover board (1) and cavity (2), the cavity (2) is equipped with described in confession
Cover board (1) is covered on the support level (21) on cavity (2), and the outside of the support level (21), which is equipped with, prevents the cover board
(1) step wall (22) moved horizontally, it is characterised in that：The thickness of the cover board (1) is D, the width of the support level (21)
Degree is W, and the thickness of the step wall (22) is A, as D≤8mm, thickness A >=D+1 of the step wall (22), and the support
Width W >=0.5 × D of step (21).
2. hermetic type cavity welding joint structure according to claim 1, it is characterised in that：The support level (21)
Width W is not less than 1mm.
3. hermetic type cavity welding joint structure according to claim 1, it is characterised in that：The thickness of the step wall (22)
It spends A and is not less than 6mm.
4. hermetic type cavity welding joint structure according to claim 1, it is characterised in that：As D ＞ 8mm, described
Thickness A >=D of rank wall (22), width W >=4mm of the support level (21).
5. hermetic type cavity welding joint structure according to claim 1 or 4, it is characterised in that：The shape of the cover board (1)
Shape is circle, ellipse, kidney-shaped, overlapped circular shapes, dumb-bell shape, square, rectangle, notch rectangle or polygon.
The welding of the workpiece of 1 to 5 any one of them hermetic type cavity welding joint structure of requirement 6. a kind of clamps are had the right
Fixture, it is characterised in that：The clamping device of workpiece both sides is matched for clamping tightly including fixing device (3), with the fixing device (3)
(4) and the supporting and positioning device (5) that is used to support workpiece and is positioned to workpiece, the supporting and positioning device (5) are set to described solid
Determine between device (3) and the clamping device (4).
7. welding fixture according to claim 6, it is characterised in that：The supporting and positioning device (5) includes support bottom surface
(51) it is mutually perpendicular to positioning side (52), the support bottom surface (51) and the positioning side (52), the support bottom surface
(51) and positioning side (52) is vertical with the fixing device (3) and the clamping device (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820256435.6U CN207953048U (en) | 2018-02-12 | 2018-02-12 | A kind of hermetic type cavity welding joint structure and its welding fixture |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820256435.6U CN207953048U (en) | 2018-02-12 | 2018-02-12 | A kind of hermetic type cavity welding joint structure and its welding fixture |
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| CN207953048U true CN207953048U (en) | 2018-10-12 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110899980A (en) * | 2019-12-10 | 2020-03-24 | 沈阳富创精密设备有限公司 | Plasma arc-laser hybrid welding method for high-sealing aluminum alloy rectangular cavity |
| CN110977236A (en) * | 2019-11-25 | 2020-04-10 | 昆山万洲特种焊接有限公司 | Liquid cooling product weld joint structure design method without step support |
| CN111805145A (en) * | 2020-07-20 | 2020-10-23 | 湖南九方焊接技术有限公司 | Clamp system control method and clamp system |
-
2018
- 2018-02-12 CN CN201820256435.6U patent/CN207953048U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110977236A (en) * | 2019-11-25 | 2020-04-10 | 昆山万洲特种焊接有限公司 | Liquid cooling product weld joint structure design method without step support |
| CN110899980A (en) * | 2019-12-10 | 2020-03-24 | 沈阳富创精密设备有限公司 | Plasma arc-laser hybrid welding method for high-sealing aluminum alloy rectangular cavity |
| CN111805145A (en) * | 2020-07-20 | 2020-10-23 | 湖南九方焊接技术有限公司 | Clamp system control method and clamp system |
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