CN220698519U - Improved welding structure of automobile battery box - Google Patents
Improved welding structure of automobile battery box Download PDFInfo
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- CN220698519U CN220698519U CN202321847581.3U CN202321847581U CN220698519U CN 220698519 U CN220698519 U CN 220698519U CN 202321847581 U CN202321847581 U CN 202321847581U CN 220698519 U CN220698519 U CN 220698519U
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- ultrasonic
- welding
- welding seam
- battery box
- mechanical vibration
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- 238000003466 welding Methods 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 230000008569 process Effects 0.000 claims abstract description 9
- 239000007787 solid Substances 0.000 claims description 4
- HSFWRNGVRCDJHI-UHFFFAOYSA-N Acetylene Chemical compound C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000005574 cross-species transmission Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 230000008439 repair process Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 238000004512 die casting Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The utility model belongs to the technical field of automobile battery boxes, and provides an improved welding structure of an automobile battery box, which comprises a workpiece and a welding gun, wherein the welding gun welds the workpiece to form a welding seam. The utility model has the advantages that the ultrasonic energy is introduced to continuously vibrate the welding seam of the die-cast battery box at high frequency in the welding forming process, so that the gas in the liquid welding seam metal is promoted to overflow, the effect of reducing the porosity of the welding seam is finally achieved, the welding porosity of the battery box can be greatly reduced, the welding repair is reduced, the rejection rate of products is reduced, and the utility model has high practical production and application values.
Description
Technical Field
The utility model belongs to the technical field of automobile battery boxes, and relates to an improved welding structure of an automobile battery box.
Background
The aluminum alloy battery box of the new energy automobile adopts a large amount of die casting aluminum alloy materials at present, and the materials have loose and porous tissues and low density. When welding is carried out by adopting fusion welding, the die-casting aluminum alloy is melted under the action of welding arc heat, a large amount of gas in the liquid welding line does not overflow in the welding line cooling process, so that not only is very high porosity formed and the tensile strength of the joint greatly reduced, but also the welding line is difficult to repair, great trouble is brought to production and manufacturing cost, and the results are not ideal by optimizing welding process parameters and adopting methods such as pre-welding pre-deformation, post-welding slow cooling and the like, so that the design requirement of customers is difficult to reach.
Disclosure of Invention
The utility model aims at solving the technical problem of the prior art, and provides an improved welding structure for the automobile battery box, which reduces the welding porosity of the battery box, reduces welding repair and reduces the rejection rate of products.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides an automobile battery case welding improves structure, is including work piece and welder, welder weld the formation welding seam to the work piece, its characterized in that, this battery case welding improves structure still includes ultrasonic energy generation system, ultrasonic energy generation system turn into ultrasonic wave mechanical vibration energy with ultrasonic wave signal to with ultrasonic wave mechanical vibration energy transmits the work piece and promotes the inside gas of welding seam to spill over thereby reduce the welding gas pocket.
In the above-mentioned automobile battery box welding improvement structure, the ultrasonic energy generation system include supersonic generator, signal line and transducer, transducer and supersonic generator pass through the signal line and be connected, supersonic generator produce ultrasonic signal, transmit ultrasonic signal to the transducer through the signal line, the transducer convert ultrasonic signal into ultrasonic mechanical vibration energy to transmit ultrasonic mechanical vibration energy to the work piece.
In the improved welding structure of the automobile battery box, the ultrasonic mechanical vibration energy generated by the ultrasonic energy generating system acts on the welding seam, continuously vibrates in the process of converting the liquid state into the solid state, and promotes the gas inside the welding seam to gather and grow until the gas is smoothly discharged.
Compared with the prior art, the utility model has the advantages that the ultrasonic energy is introduced to continuously vibrate the welding seam of the die-cast battery box at high frequency in the welding forming process, so that the gas in the liquid welding seam metal is promoted to overflow, the effect of reducing the porosity of the welding seam is finally achieved, the welding porosity of the battery box can be greatly reduced, the welding repair is reduced, the rejection rate of products is reduced, and the utility model has high practical production and application values.
Drawings
Fig. 1 is an overall schematic view of the welding improvement structure of the battery case of the present automobile.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center," "lateral," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present utility model.
In the figure, a workpiece 100; welding gun 200; a weld 300; an ultrasonic energy generation system 400; an ultrasonic generator 401; a signal line 402; a transducer 403.
As shown in fig. 1, the improved welding structure of the battery box of the automobile comprises a workpiece 100 and a welding gun 200, wherein the welding gun 200 is used for welding the workpiece 100 to form a welding seam 300, the improved welding structure of the battery box of the automobile also comprises an ultrasonic energy generating system 400, the ultrasonic energy generating system 400 is used for converting ultrasonic signals into ultrasonic mechanical vibration energy and transmitting the ultrasonic mechanical vibration energy to the workpiece 100 and promoting gas inside the welding seam 300 to overflow so as to reduce welding pores, and the welding seam 300 of the battery box of the automobile is continuously vibrated at high frequency in the welding forming process by introducing the ultrasonic mechanical vibration energy, so that the gas inside liquid weld metal is promoted to overflow, and finally the effect of reducing the porosity of the welding seam 300 is achieved.
Specifically, the ultrasonic energy generating system 400 includes an ultrasonic generator 401, a signal line 402, and a transducer 403, the transducer 403 is connected with the ultrasonic generator 401 through the signal line 402, the ultrasonic generator 401 generates an ultrasonic signal, the ultrasonic signal is transmitted to the transducer 403 through the signal line 402, the transducer 403 converts the ultrasonic signal into ultrasonic mechanical vibration energy, and transmits the ultrasonic mechanical vibration energy to the workpiece 100, the ultrasonic mechanical vibration energy generated by the ultrasonic energy generating system 400 acts on the weld 300, and continuously vibrates during the process of converting the liquid state into the solid state of the weld 300, and causes the gas inside the weld 300 to gather and grow until the gas is smoothly discharged.
In the welding process, the welding gun 200 welds the workpiece 100 to form a welding seam 300, the welding seam 300 is cooled from a liquid state to a solid state under the action of ultrasonic mechanical vibration energy, liquid welding seam metal continuously vibrates under the action of ultrasonic waves, and gas in the welding seam 300 is promoted to gather and grow until the gas is smoothly discharged, so that the purpose of reducing welding pores is finally achieved.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the scope of the utility model as defined in the accompanying claims.
Claims (3)
1. The utility model provides an automobile battery case welding improves structure, is including work piece and welder, welder weld the formation welding seam to the work piece, its characterized in that, this battery case welding improves structure still includes ultrasonic energy generation system, ultrasonic energy generation system turn into ultrasonic wave mechanical vibration energy with ultrasonic wave signal to with ultrasonic wave mechanical vibration energy transmits the work piece and promotes the inside gas of welding seam to spill over thereby reduce the welding gas pocket.
2. The improved welding structure of the automobile battery box according to claim 1, wherein the ultrasonic energy generating system comprises an ultrasonic generator, a signal wire and a transducer, the transducer is connected with the ultrasonic generator through the signal wire, the ultrasonic generator generates an ultrasonic signal, the ultrasonic signal is transmitted to the transducer through the signal wire, and the transducer converts the ultrasonic signal into ultrasonic mechanical vibration energy and transmits the ultrasonic mechanical vibration energy to a workpiece.
3. The improved welding structure of the automobile battery box according to claim 2, wherein ultrasonic mechanical vibration energy generated by the ultrasonic energy generating system acts on the welding seam, continuously vibrates the welding seam in the process of converting the liquid state into the solid state, and promotes the gas inside the welding seam to gather and grow until the gas is smoothly discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321847581.3U CN220698519U (en) | 2023-07-13 | 2023-07-13 | Improved welding structure of automobile battery box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321847581.3U CN220698519U (en) | 2023-07-13 | 2023-07-13 | Improved welding structure of automobile battery box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220698519U true CN220698519U (en) | 2024-04-02 |
Family
ID=90452017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321847581.3U Active CN220698519U (en) | 2023-07-13 | 2023-07-13 | Improved welding structure of automobile battery box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220698519U (en) |
-
2023
- 2023-07-13 CN CN202321847581.3U patent/CN220698519U/en active Active
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