CN209773716U - battery tray stirring welding filling structure - Google Patents
battery tray stirring welding filling structure Download PDFInfo
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- CN209773716U CN209773716U CN201920212980.XU CN201920212980U CN209773716U CN 209773716 U CN209773716 U CN 209773716U CN 201920212980 U CN201920212980 U CN 201920212980U CN 209773716 U CN209773716 U CN 209773716U
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Abstract
The utility model discloses a battery tray stir welding filling structure, include: the battery tray, the battery tray comprises two at least aluminum alloy ex-trusions concatenations, be cavity aluminium alloy and entity aluminium alloy respectively, cavity aluminium alloy and entity aluminium alloy are arranged side by side then are fixed together through stirring welding mode, the hollow part of cavity aluminium alloy increases at welding position department has filling structure, filling structure includes the filling block, first boss and second boss have been arranged near the one end left and right sides of welding position to the filling block, the realization is spacing fixed to the filling structure left and right sides direction. In this way, the utility model discloses battery tray stir welding filling structure has increased the boss structure, can carry out the spacing fixed of left right direction with filling structure, makes and stirring welded in-process, even receive external force and can not produce the removal yet to reduce the welding seam slot, improve the product yield.
Description
Technical Field
The utility model relates to the technical field of auto-parts, especially relate to a battery tray stirring welding filling structure.
Background
In recent years, the new energy automobile industry is rapidly developed, and the new energy automobile is different from the traditional automobile, a battery is used as power to drive the automobile to run, and the light weight becomes a first problem to be considered in vehicle design and material application under the restriction of the weight of the power battery, the driving mileage of the power battery and the high pressure of the energy saving and emission reduction policy of the automobile. The extruded aluminum alloy material has higher cost performance than steel, magnesium, plastic and composite materials, and has more advantages in application technology, operation safety and cyclic recycling, so that the extruded aluminum alloy material becomes the best choice for light-weight application of automobiles, and particularly the light-weight level of the whole new-energy battery can be greatly improved by using the material for production in new-energy battery trays.
However, due to the limitation of the extrusion structure, a battery tray needs to be divided into a plurality of extrusion sectional materials, the plurality of sectional materials are formed by manual welding or stirring welding splicing, and when the stirring welding is performed, the welding position needs to be solid, so that a filling structure needs to be added to the hollow part of the extrusion sectional materials to meet the stirring welding requirement. That is, when the hollow material and the solid material are stir-welded, it is necessary to fill the hollow portion.
The existing filling structure is clamped by interference fit, is only fixed by upper and lower clamping forces, is too soft due to aluminum materials, and is subjected to right-direction extrusion force in the stirring welding process, the left and right directions of the filling structure are not limited and fixed, and the filling structure can move rightwards after being subjected to the extrusion force in the stirring welding process to form a gap with an entity, so that a groove is formed after welding, the quality of a welding line is influenced, workpieces are scrapped, and the cost is high when the product is produced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a battery tray stir welding filling structure, has increased the boss structure, can carry out the spacing fixed of left right direction with filling structure, makes and stirring welded in-process, even receive external force and can not produce the removal yet to reduce the welding seam slot, improve the product yield.
In order to solve the technical problem, the utility model discloses a technical scheme be: provided is a battery tray stir welding filling structure, including: the battery tray is formed by splicing at least two aluminum alloy sections, namely a hollow aluminum section and a solid aluminum section, the hollow aluminum section and the solid aluminum section are arranged side by side and then fixed together in a stirring welding mode,
the filling structure is additionally arranged in the hollow part of the hollow aluminum section at the welding position and comprises filling blocks, and a first boss and a second boss are arranged on the left side and the right side of one end, close to the welding position, of each filling block, so that the left and right directions of the filling structure are limited and fixed.
In a preferred embodiment of the present invention, the hollow aluminum profile and the solid aluminum profile welding part have a stir welding seam, and the stir welding seam has a stir pin above the stir welding seam, and the stir pin is extended into the stir welding seam to realize welding fixation.
In a preferred embodiment of the present invention, the size of the hollow aluminum profile and the size of the solid aluminum profile are matched with each other.
In a preferred embodiment of the present invention, the first and second bosses and the filling block are integrally formed.
In a preferred embodiment of the present invention, the first bosses and the second bosses are symmetrically disposed on the left and right sides of one end of the filling block.
in a preferred embodiment of the present invention, chamfers are disposed on the left and right sides of the other end of the filling block, and the size of the chamfer at the end of the filling block is 0 ~ 90 °.
In a preferred embodiment of the present invention, the width of the first boss and the second boss is H2, the size of the pin head is W1, the size of the pin shoulder is W2, H1 > 1/2W2, and H2 < 1/2W 1.
In a preferred embodiment of the present invention, the length of the first boss is H3, the length of the second boss is H4, and the width dimensions of the left and right sides of the hollow aluminum profile are D1 and D2, wherein H3= D1, and H4= D2.
The utility model has the advantages that: the utility model discloses battery tray stir welding filling structure has increased the boss structure, can carry out the spacing fixed of left right direction with filling structure, makes and stirring welded in-process, even receive external force and can not produce the removal yet to reduce the welding seam slot, improve the product yield.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic structural view of a preferred embodiment of a battery tray according to the present invention;
3 FIG. 3 2 3 is 3 a 3 sectional 3 view 3 taken 3 along 3 line 3 A 3- 3 A 3 of 3 FIG. 3 1 3; 3
Fig. 3 is a schematic structural view of a preferred embodiment of the stirring, welding and filling structure for battery trays of the present invention;
The parts in the drawings are numbered as follows: 100. stirring head, 200, hollow aluminum profile, 300, filling structure, 301, filling block, 302, first boss, 303, second boss, 304, chamfer, 400, solid aluminum profile, 500, stirring welding seam.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 3, an embodiment of the present invention includes:
A battery tray stir weld fill structure comprising: the battery tray is formed by splicing at least two aluminum alloy sections, namely a hollow aluminum section 200 and a solid aluminum section 400.
The size of the hollow aluminum profile 200 and the size of the solid aluminum profile 400 are matched with each other, and the hollow aluminum profile 200 and the solid aluminum profile 400 are arranged side by side and then fixed together by a stirring welding manner.
the welding position of the hollow aluminum profile 200 and the solid aluminum profile 400 is provided with a stirring welding seam 500, a stirring pin 100 is arranged above the stirring welding seam 500, and the stirring pin 100 extends into the stirring welding seam 5 to realize welding fixation.
The filling structure 300 is added in the hollow part of the hollow aluminum profile 200 at the welding position, the filling structure 300 comprises a filling block 301, and a first boss 302 and a second boss 303 are arranged on the left side and the right side of one end, close to the welding position, of the filling block 301.
The first bosses 302 and the second bosses 303 on the left side and the right side of one end of the filling block 301 are symmetrically arranged, so that the left and the right directions of the filling structure are limited and fixed.
First boss 302 and second boss 303 and filling block are integrated into one piece structure, simple structure, and the shaping is convenient, can also realize effectual spacing.
chamfer 304 has been arranged to the other end left and right sides of stuff block 301, the equipment of stuff block of being convenient for, the scope size of stuff block tip chamfer is 0 ~ 90.
the utility model discloses in increased first boss 302 and second boss 303 on the filling structure 300 of cavity section bar in the production process of battery tray, can carry out left right direction's spacing fixed with filling structure 300, stirring welded in-process, even receive outside extrusion, also can not outwards remove, the tip has increased the chamfer simultaneously, convenient equipment.
In the actual production process, the widths of the first boss 302 and the second boss 303 are both H2, the size of the stirring head of the stirring pin 100 is W1, the size of the shaft shoulder of the stirring pin 100 is W2, H1 is more than 1/2W2, and H2 is less than 1/2W 1.
The length of the first boss 302 is H3, the length of the second boss 303 is H4, and the width dimensions of the left and right sides of the hollow aluminum profile 2 are D1 and D2, wherein H3= D1, and H4= D2.
The utility model discloses battery tray stir welding filling structure's beneficial effect is:
The boss structure is increased, the filling structure can be limited and fixed in the left and right directions, so that the filling structure can not move even if being subjected to external force during stirring and welding, thereby reducing welding line grooves and improving the yield of products.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (8)
1. The utility model provides a battery tray stir welding filling structure which characterized in that includes: the battery tray is formed by splicing at least two aluminum alloy sections, namely a hollow aluminum section and a solid aluminum section, the hollow aluminum section and the solid aluminum section are arranged side by side and then fixed together in a stirring welding mode,
The filling structure is additionally arranged in the hollow part of the hollow aluminum section at the welding position and comprises filling blocks, and a first boss and a second boss are arranged on the left side and the right side of one end, close to the welding position, of each filling block, so that the left and right directions of the filling structure are limited and fixed.
2. The battery tray stir welding filling structure of claim 1, wherein a stir welding seam is arranged at the welding position of the hollow aluminum profile and the solid aluminum profile, a stir pin is arranged above the stir welding seam, and the stir pin is extended into the stir welding seam to realize welding fixation.
3. the battery tray stir welding filling structure of claim 1, wherein the size of the hollow aluminum profile is matched with the size of the solid aluminum profile.
4. The battery tray stir welding filling structure of claim 1, wherein the first boss and the second boss are integrally formed with the filling block.
5. The battery tray stir welding filling structure according to claim 1, wherein the first bosses and the second bosses on the left and right sides of one end of the filling block are symmetrically arranged.
6. the stirring, welding and filling structure for the battery tray as claimed in claim 1, wherein chamfers are arranged on the left and right sides of the other end of the filling block, and the chamfer angle on the end of the filling block ranges from 0 ° to 90 °.
7. The battery tray stir-welding filling structure of claim 2, wherein the first bosses and the second bosses are each H2 in width, the pin has a pin head size of W1, the pin has a pin shoulder size of W2, H1 > 1/2W2, and H2 < 1/2W 1.
8. The battery tray stir-welding filling structure of claim 1, wherein the first boss has a length of H3, the second boss has a length of H4, and the left and right sides of the hollow aluminum profile have width dimensions of D1 and D2, wherein H3= D1 and H4= D2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920212980.XU CN209773716U (en) | 2019-02-20 | 2019-02-20 | battery tray stirring welding filling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920212980.XU CN209773716U (en) | 2019-02-20 | 2019-02-20 | battery tray stirring welding filling structure |
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| Publication Number | Publication Date |
|---|---|
| CN209773716U true CN209773716U (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920212980.XU Active CN209773716U (en) | 2019-02-20 | 2019-02-20 | battery tray stirring welding filling structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112872577A (en) * | 2021-02-08 | 2021-06-01 | 哈工万联智能装备(苏州)有限公司 | Friction stir welding method for hollow structure |
-
2019
- 2019-02-20 CN CN201920212980.XU patent/CN209773716U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112872577A (en) * | 2021-02-08 | 2021-06-01 | 哈工万联智能装备(苏州)有限公司 | Friction stir welding method for hollow structure |
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