CN220902149U - Butt joint device for flash welding of copper-aluminum busbar of automobile - Google Patents
Butt joint device for flash welding of copper-aluminum busbar of automobile Download PDFInfo
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- CN220902149U CN220902149U CN202322746975.6U CN202322746975U CN220902149U CN 220902149 U CN220902149 U CN 220902149U CN 202322746975 U CN202322746975 U CN 202322746975U CN 220902149 U CN220902149 U CN 220902149U
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- welding
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- control device
- electrode
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- 238000003466 welding Methods 0.000 title claims abstract description 90
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 210000001503 joint Anatomy 0.000 title abstract description 9
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 31
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910052802 copper Inorganic materials 0.000 claims abstract description 24
- 239000010949 copper Substances 0.000 claims abstract description 24
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000005219 brazing Methods 0.000 claims description 10
- 239000004411 aluminium Substances 0.000 claims description 3
- 238000003032 molecular docking Methods 0.000 claims 9
- 230000001276 controlling effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Resistance Welding (AREA)
Abstract
The utility model discloses a flash welding butt joint device for an automobile copper-aluminum busbar, which comprises a machine body, a fixed plate, a movable plate, a linear driving device and a power supply, wherein the fixed plate is arranged on the machine body, the fixed plate is provided with a first lifting control device and a first fixed electrode, the movable plate is provided with a second lifting control device and a second fixed electrode, the first lifting control device and the second lifting control device respectively drive and control the first movable electrode and the second movable electrode to move up and down, the first fixed electrode and the second fixed electrode are respectively provided with a copper welding piece and an aluminum welding piece, the linear driving device drives and controls the movable plate to be close to or far from the fixed plate, the copper welding piece and the aluminum welding piece are mutually close to and extruded when the movable plate is close to the fixed plate, and a welding joint is formed at the joint of the copper welding piece and the aluminum welding piece when the movable plate is welded, and the power supply is connected with the first fixed electrode and the second fixed electrode.
Description
Technical Field
The utility model belongs to the technical field of copper-aluminum busbar processing devices, and particularly relates to a flash welding butt joint device for an automobile copper-aluminum busbar.
Background
At present, a copper-aluminum bar or a T2 pure copper bar is generally adopted for the bus bar of the automobile. The pure copper bar is heavy and does not meet the light weight aim of an automobile. At present, the butt welding of copper and aluminum bars in the automobile busbar industry adopts a friction stir welding process, and arc striking plates are required to be added on two sides of a butt welding position. The friction stir welding has low processing efficiency; the arc striking plate is added in the welding process, so that the material consumption is increased, and auxiliary materials are wasted in the process; the friction stir welding product has poorer bending and shearing force performance; the defects of slag inclusion and the like are easy to generate in the friction stir welding seam; the friction stir welding can only be performed with equal width and straight plane butt joint, the welding area cannot be larger than the minimum sectional area of the product, and the current carrying of the sectional area of the conductor is insufficient due to the occurrence of welding defects, so that the temperature rise and the resistance performance are unqualified.
Disclosure of utility model
The utility model aims to solve the problems in the background technology and provides a butt joint device for flash welding of an automobile copper-aluminum busbar.
In order to achieve the above purpose, the present utility model provides a butt joint device for flash welding of a copper-aluminum busbar of an automobile, comprising:
the aluminum welding piece and the brazing piece are arranged on the two sides of the machine body;
The fixed plate is arranged on the machine body, a first lifting control device and a first fixed electrode are arranged at the front end of the fixed plate, the first lifting control device is connected with the first movable electrode and drives the first movable electrode to move up and down, the first fixed electrode is aligned with the first movable electrode, and a copper welding piece or an aluminum welding piece is arranged above the first fixed electrode;
The movable plate is slidably arranged on the machine body, a second lifting control device and a second fixed electrode are arranged at the front end of the movable plate, the second lifting control device is connected with the second movable electrode and drives the second movable electrode to move up and down, the second fixed electrode is aligned with the second movable electrode, and a copper welding piece or an aluminum welding piece is arranged above the second fixed electrode;
The linear driving device is arranged on the machine body, is connected with the movable plate and drives and controls the movable plate to be close to or far away from the fixed plate, and when the movable plate is close to the fixed plate, the copper welding piece and the aluminum welding piece are mutually close to each other to be extruded, and a welding joint is formed at the joint of the copper welding piece and the aluminum welding piece during welding;
And the power supply is arranged inside the machine body and is electrically connected with the first fixed electrode and the second fixed electrode.
Preferably, the machine body is provided with a display screen, a controller and a plurality of control buttons, wherein the controller is respectively and electrically connected with the power supply, the display screen, the control buttons, the first lifting control device, the second lifting control device and the linear driving device, and controls the working states of the first lifting control device, the second lifting control device and the linear driving device.
Preferably, the control button includes a switch button, a scram button, a pressure adjusting button, and a feed speed adjusting button.
Preferably, a first mounting plate is slidably mounted at the front end of the fixing plate, and two ends of the first mounting plate are respectively connected with the first movable electrode and the first lifting control device.
Preferably, a first guide rail is mounted at the front end of the fixing plate, and the first mounting plate is slidably mounted on the first guide rail.
Preferably, the front end of the fixing plate is provided with a second mounting plate, and the first fixing electrode is detachably mounted on the second mounting plate.
Preferably, a third mounting plate is slidably mounted at the front end of the movable plate, and two ends of the third mounting plate are respectively connected with the second movable electrode and the second lifting control device.
Preferably, the front end of the movable plate is provided with a second guide rail, and the third mounting plate is slidably mounted on the second guide rail.
Preferably, a fourth mounting plate is mounted at the front end of the movable plate, and the second fixed electrode is detachably mounted on the fourth mounting plate.
Preferably, the first lifting control device, the second lifting control device and the linear driving device are all pneumatic linear control devices or hydraulic linear control devices, the pneumatic linear control devices comprise air cylinders, and the hydraulic linear control devices comprise hydraulic cylinders.
The utility model has the beneficial effects that: according to the utility model, the moving state of the movable plate is controlled through the linear driving device, so that the extrusion condition of the copper weldment and the aluminum weldment is controlled, the first lifting control device and the second lifting control device respectively control the first movable electrode and the second movable electrode to move downwards to clamp the copper weldment and the aluminum weldment and simultaneously are communicated with the corresponding first fixed electrode and the corresponding second fixed electrode, an arc striking plate is not needed to reduce the waste of auxiliary materials when flash welding is carried out, the welding device is suitable for welding copper weldments and aluminum weldments with the same or different cross-section shapes, the welding efficiency is improved, the rejection rate is reduced, and the cost and the weight of the welded copper-aluminum busbar relative to the full copper busbar are lighter.
The features and advantages of the present utility model will be described in detail by way of example with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present utility model.
Fig. 2 is a schematic diagram of the structure of the welding surface of aluminum welding and copper welding according to the embodiment of the present utility model.
Fig. 3 is a schematic diagram of the working principle of an embodiment of the present utility model.
In the figure: 1-fuselage, 2-fixed plate, 3-fly leaf, 4-first lift controlling means, 5-second lift controlling means, 6-linear drive arrangement, 7-aluminum weldment, 8-copper weldment, 9-transformer, 10-transverse guide, 11-opening, 41-first mounting panel, 42-first fly electrode, 43-first fixed electrode, 51-third mounting panel, 52-second fly electrode, 53-second fixed electrode.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. It will be apparent that the described embodiments are some, but not all, embodiments of the application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. In the description of the present application, it should be noted that, the azimuth or positional relationship indicated by the terms "inner", "outer", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship that is commonly put in use of the product of this application, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
The present utility model will be described in detail with reference to the accompanying drawings.
Referring to fig. 1, 2 and 3, the present embodiment provides a butt joint device for flash welding of a copper-aluminum busbar of an automobile, which includes:
A body 1, the left and right sides of the body 1 are provided with openings 11 for the aluminum welding pieces 7 and the brazing pieces 8 to pass through;
The fixed plate 2 is arranged on the machine body 1, a first lifting control device 4 and a first fixed electrode 43 are arranged at the front end of the fixed plate 2, the first lifting control device 4 is connected with the first movable electrode 42 and drives the first movable electrode 42 to move up and down, the first fixed electrode 43 is aligned with the first movable electrode 42, and a brazing piece 8 or an aluminum welding piece 7 is arranged above the first fixed electrode 43;
The movable plate 3 is slidably arranged on the machine body 1, a second lifting control device 5 and a second fixed electrode 53 are arranged at the front end of the movable plate 3, the second lifting control device 5 is connected with the second movable electrode 52 and drives the second movable electrode 52 to move up and down, the second fixed electrode 53 is aligned with the second movable electrode 52, and a brazing piece 8 or an aluminum welding piece 7 is arranged above the second fixed electrode 53;
A linear driving device 6 mounted on the body 1, the linear driving device 6 being connected to the movable plate 3 and driving the movable plate 3 to approach or separate from the fixed plate 2, the brazing member 8 and the aluminum welding member 7 being pressed toward each other when the movable plate 3 approaches the fixed plate 2 and forming a welding joint at the junction thereof when welding;
And a power supply installed inside the body 1 and electrically connected to the first and second fixed electrodes 43 and 53.
During actual use, the front end of the machine body 1 is internally provided with a cavity communicated with the opening 11, the fixed plate 2, the movable plate 3 and the linear driving device 6 are all positioned in the cavity, the front end of the machine body 1 is provided with a movable protective door for improving the operation safety of the device, the position of the opening 11 is higher than or flush with the upper ends of the first fixed electrode 43 and the second fixed electrode 53, the machine body 1 is provided with the transverse guide rail 10, and the rear end of the movable plate 3 is slidably mounted on the transverse guide rail 10. Referring to fig. 2, the welding end surfaces of the brazing member 8 and the aluminum welding member 7 are engaged with each other, and the welding surface shapes of the brazing member 8 and the aluminum welding member 7 include, but are not limited to, V-shaped, concave-convex, and planar. Referring to fig. 3, the power supply is connected with a transformer 9, the transformer 9 is electrically connected with the first fixed electrode 43 and the second fixed electrode 53, and the width and thickness of the welding surface of the brazing piece 8 and the aluminum welding piece 7 can be equal in width and thickness, or can be different in width and thickness according to the welding requirement. In fig. 3, F j is a clamping force applied to the welding member when the first movable electrode 42 and the second movable electrode 52 are respectively driven by the first lifting control device 4 and the second lifting control device 5, F up is an upsetting force applied to the welding member when the movable plate 3 is driven to move by the linear driving device 6, and V f is a moving flash speed of the welding member when the movable plate 3 is driven to move by the linear driving device 6.
As an implementation manner of this embodiment, referring to fig. 1, a display screen, a controller and a plurality of control buttons are installed on a machine body 1, the controller is respectively electrically connected with a power supply, the display screen, the control buttons, the first lifting control device 4, the second lifting control device 5 and the linear driving device 6, and controls working states of the first lifting control device 4, the second lifting control device 5 and the linear driving device 6, and working parameters displayed by the display screen include, but are not limited to, a feeding speed, a pressure value and a current value.
Further, the control button includes shift knob, scram button, pressure regulating button, feed speed regulating button, shift knob is used for controlling the switch of power, scram button is used for controlling the scram of car copper aluminium busbar flash light welding interfacing apparatus, pressure regulating button is used for controlling the pressure value that brazing piece 8 and aluminium weldment 7 extrudeed each other after the movable plate 3 is driven to linear driving device 6, feed speed regulating button control linear driving device 6 drive movable plate 3 removal's speed, pressure value, speed value are detected through the pressure sensor that sets up between movable plate 3 and fixed plate 2, speed sensor.
As an implementation manner of this embodiment, referring to fig. 1, a first mounting plate 41 is slidably mounted at the front end of the fixing plate 2, two ends of the first mounting plate 41 are respectively connected to a first movable electrode 42 and the first lifting control device 4, and the first movable electrode 42 is fixedly or detachably mounted at the lower end of the first mounting plate 41.
Further, the front end of the fixed plate 2 is mounted with a first rail on which the first mounting plate 41 is slidably mounted.
As an implementation manner of this embodiment, the second mounting plate is mounted on the front end of the fixing plate 2, and the first fixing electrode 43 is detachably mounted on the second mounting plate, and the connection manner between the first fixing electrode 43 and the second mounting plate includes, but is not limited to, bolting and pinning.
As an implementation manner of this embodiment, referring to fig. 1, a third mounting plate 51 is slidably mounted at the front end of the movable plate 3, two ends of the third mounting plate 51 are respectively connected to a second movable electrode 52 and the second lifting control device 5, and the second movable electrode 52 is fixedly or detachably mounted at the lower end of the third mounting plate 51.
Further, the front end of the movable plate 3 is mounted with a second guide rail, and the third mounting plate 51 is slidably mounted on the second guide rail.
As an implementation manner of this embodiment, the front end of the movable plate 3 is provided with a fourth mounting plate, and the second fixed electrode 53 is detachably mounted on the fourth mounting plate, and the connection manner between the second fixed electrode 53 and the fourth mounting plate includes, but is not limited to, bolting and pinning.
As an implementation manner of this embodiment, the first lifting control device 4, the second lifting control device 5 and the linear driving device 3 are pneumatic linear control devices or hydraulic linear control devices, the pneumatic linear control devices include cylinders, the hydraulic linear control devices include hydraulic cylinders, and the cylinders of the first lifting control device 4 and the second lifting control device 5 or piston rod ends of the hydraulic cylinders are connected with the corresponding first mounting plate and third mounting plate.
The working process of the utility model comprises the following steps:
In the working process of the automobile copper aluminum busbar flash welding butt joint device, one end of a copper welding part 8 passes through an opening 11 on the left side of a machine body 1 and is placed above a first fixed electrode 43, one end of an aluminum welding part 7 passes through an opening 11 on the right side of the machine body 1 and is placed above a second fixed electrode 53, a first lifting control device 4 and a second lifting control device 5 respectively control a first movable electrode 42 and a second movable electrode 52 to be pressed down until the copper welding part 8 and the aluminum welding part 7 are pressed, a power supply is connected, a linear driving device 6 controls a movable plate 3 to move, when the end surfaces of the two welding parts are contacted, the two welding parts are electrified and heated, the contact points are heated to form a liquid metal 'lintel' and generate blasting, spark spraying is carried out to form flashing, when the connecting end surfaces of the two welding parts are heated, when the welding temperature is reached, the movable plate 3 is suddenly accelerated, the connecting end surfaces of the two welding parts are mutually extruded by a large upsetting force, so that a strong plastic deformation occurs in a welding area, and an interactive crystallization is formed on a bonding surface when molten metal is extruded, and a firm joint is formed.
The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.
Claims (10)
1. The utility model provides a car copper aluminium busbar flash of light welds interfacing apparatus which characterized in that includes:
the aluminum welding piece and the brazing piece are arranged on the two sides of the machine body;
The fixed plate is arranged on the machine body, a first lifting control device and a first fixed electrode are arranged at the front end of the fixed plate, the first lifting control device is connected with the first movable electrode and drives the first movable electrode to move up and down, the first fixed electrode is aligned with the first movable electrode, and a copper welding piece or an aluminum welding piece is arranged above the first fixed electrode;
The movable plate is slidably arranged on the machine body, a second lifting control device and a second fixed electrode are arranged at the front end of the movable plate, the second lifting control device is connected with the second movable electrode and drives the second movable electrode to move up and down, the second fixed electrode is aligned with the second movable electrode, and a copper welding piece or an aluminum welding piece is arranged above the second fixed electrode;
The linear driving device is arranged on the machine body, is connected with the movable plate and drives and controls the movable plate to be close to or far away from the fixed plate, and when the movable plate is close to the fixed plate, the copper welding piece and the aluminum welding piece are mutually close to each other to be extruded, and a welding joint is formed at the joint of the copper welding piece and the aluminum welding piece during welding;
And the power supply is arranged inside the machine body and is electrically connected with the first fixed electrode and the second fixed electrode.
2. The automotive copper aluminum busbar flash welding docking device of claim 1, wherein: the machine body is provided with a display screen, a controller and a plurality of control buttons, wherein the controller is respectively and electrically connected with a power supply, the display screen, the control buttons, the first lifting control device, the second lifting control device and the linear driving device, and controls the working states of the first lifting control device, the second lifting control device and the linear driving device.
3. The automotive copper aluminum busbar flash welding docking device of claim 2, wherein: the control buttons comprise a switch button, a scram button, a pressure adjusting button and a feeding speed adjusting button.
4. The automotive copper aluminum busbar flash welding docking device of claim 1, wherein: the front end of the fixed plate is slidably provided with a first mounting plate, and two ends of the first mounting plate are respectively connected with the first movable electrode and the first lifting control device.
5. The automotive copper aluminum busbar flash welding docking device of claim 4, wherein: the front end of the fixed plate is provided with a first guide rail, and the first mounting plate is slidably mounted on the first guide rail.
6. The automotive copper aluminum busbar flash welding docking device of claim 1, wherein: the front end of the fixed plate is provided with a second mounting plate, and the first fixed electrode is detachably arranged on the second mounting plate.
7. The automotive copper aluminum busbar flash welding docking device of claim 1, wherein: the front end of the movable plate is slidably provided with a third mounting plate, and two ends of the third mounting plate are respectively connected with the second movable electrode and the second lifting control device.
8. The automotive copper aluminum busbar flash welding docking device of claim 7, wherein: the front end of the movable plate is provided with a second guide rail, and the third mounting plate is slidably arranged on the second guide rail.
9. The automotive copper aluminum busbar flash welding docking device of claim 1, wherein: the front end of the movable plate is provided with a fourth mounting plate, and the second fixed electrode is detachably arranged on the fourth mounting plate.
10. The automotive copper aluminum busbar flash welding docking device of claim 1, wherein: the first lifting control device, the second lifting control device and the linear driving device are all pneumatic linear control devices or hydraulic linear control devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322746975.6U CN220902149U (en) | 2023-10-12 | 2023-10-12 | Butt joint device for flash welding of copper-aluminum busbar of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322746975.6U CN220902149U (en) | 2023-10-12 | 2023-10-12 | Butt joint device for flash welding of copper-aluminum busbar of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220902149U true CN220902149U (en) | 2024-05-07 |
Family
ID=90906207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322746975.6U Active CN220902149U (en) | 2023-10-12 | 2023-10-12 | Butt joint device for flash welding of copper-aluminum busbar of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220902149U (en) |
-
2023
- 2023-10-12 CN CN202322746975.6U patent/CN220902149U/en active Active
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