CN208214556U - 4 Resistance Welding connection devices of dual power supply of compatible multiple power battery modules - Google Patents
4 Resistance Welding connection devices of dual power supply of compatible multiple power battery modules Download PDFInfo
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- CN208214556U CN208214556U CN201820559853.2U CN201820559853U CN208214556U CN 208214556 U CN208214556 U CN 208214556U CN 201820559853 U CN201820559853 U CN 201820559853U CN 208214556 U CN208214556 U CN 208214556U
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- 238000003466 welding Methods 0.000 title claims abstract description 96
- 230000009977 dual effect Effects 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000013461 design Methods 0.000 abstract description 4
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 206010054949 Metaplasia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000015689 metaplastic ossification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of 4 Resistance Welding connection devices of dual power supply of compatible multiple power battery modules, which is mainly made of the first welding head, backboard, sliding block, the second welding head, guide rail, Z axis straight line mould group, X-axis straight line mould group, Y-axis straight line mould group and mould group support plate；Mould group support plate is fixedly installed in Y-axis straight line mould group, Z axis straight line mould group is installed in X-axis straight line mould group, backboard is fixedly installed in Z axis straight line mould group, first welding head and guide rail are installed on backboard, sliding block is provided on guide rail, it is provided with the second welding head on sliding block, the second welding head is on sliding block along X to running fix.Existing welding beat can be promoted one times by the utility model, to meet the needs of large-scale production production capacity.The utility model can be also adjusted according to the spacing of the design butt welding machine head of different mould groups, to improve the flexibility and compatibility of automatic production line, to reduce equipment input cost.
Description
Technical field
The utility model belongs to electric resistance welding engineering device technique field, particularly relates to a kind of compatible multiple power
4 Resistance Welding connection devices of dual power supply of battery modules.
Background technique
The mainstream packing forms of automobile power cell are cylindrical, rectangular or Soft Roll in currently existing technology, and cylindrical
Battery because of mature production technology, that energy density is higher, cost is relatively low, the consistency of product yield and battery pack is higher etc. is excellent
Point is combined convenient for variform, is had a wide range of applications in automobile power battery system.To obtain higher energy, usually
It needs tens even several hundred battery cores carrying out series-parallel composition mould group, then forms battery pack in series and parallel by multiple mould groups, be
The abundant layout of electric vehicle spatial design is adapted to, the size shape design of usual battery modules is different.And electric resistance welding is existing at present
There is the critical process that cylindrical battery mould group manufactures in technology, the welding manner of mainstream is that single supply welds in parallel in the market, is led to
A normal battery core welds 8 points, and beat needs 4.8s~6s, and the parallel welding manner of this single supply in the prior art is automatic
Efficiency is too low when metaplasia produces, it usually needs investment multiple devices, cost of investment is higher, is unable to satisfy the demand of industrialized development.
Summary of the invention
For the utility model in order to overcome the shortcomings of the prior art, providing one kind can satisfy large-scale production production capacity need
The 4 Resistance Welding connection devices of dual power supply for the compatible multiple power battery modules asked.
The utility model is achieved through the following technical solutions: a kind of dual power supply of compatible multiple power battery modules
4 Resistance Welding connection devices, 4 Resistance Welding connection devices of the dual power supply are mainly by the first welding head, backboard, sliding block,
Two welding heads, guide rail, Z axis straight line mould group, X-axis straight line mould group, Y-axis straight line mould group and mould group support plate composition；In Y-axis straight line mould
Mould group support plate is fixedly installed in group, Z axis straight line mould group is installed in X-axis straight line mould group, and backboard is fixedly installed on Z axis straight line mould
In group, backboard is moved with Z axis straight line mould group along Z-direction, and the first welding head and guide rail are equipped on backboard, is arranged on guide rail
There is sliding block, be provided with the second welding head on sliding block, the second welding head is on sliding block along X to running fix.
First welding head is from top to bottom successively made of pressure sensor, capillary grip block and capillary, pressure sensor
It is set to the top of capillary grip block, capillary is set to the bottom of capillary grip block, and capillary grip block and first source of welding current connect
It connects.
Second welding head is from top to bottom successively made of pressure sensor, capillary grip block and capillary, pressure sensor
It is set to the top of capillary grip block, capillary is set to the bottom of capillary grip block, and a displacement is fixedly installed on sliding block
Cylinder, the second welding head are fixedly connected with variable-position cylinder.
The working principle of each component in 4 Resistance Welding connection devices of the utility model dual power supply are as follows:
1, capillary: the main working parts of welder, welding current are formed into a loop by capillary and welded piece, are utilized
The resistance heat that capillary and work piece interface generate melts metal and forms nugget；
2, it capillary grip block: for clamping capillary, is connect with source of welding current positive and negative anodes, high current can be passed through；
3, the first welding head: being mainly made of capillary, capillary grip block and pressure sensor, connects with first source of welding current
It connects, it can independent control；
4, pressure sensor: for detecting the contact pressure between capillary electrode and workpiece, when welding pressure reaches 2kg
The source of welding current is triggered, guarantees the contact resistance of nickel sheet and battery core pole piece；
5, backboard: the mounting plate of sliding block and two welding heads is fixed in Z axis straight line mould group, can be real with straight line mould group
Existing Z-direction movement；
6, sliding block: for fixing the second welding head, the second welding head can X be to running fix on sliding block, to adapt to
The welding of the battery modules of different product difference battery core spacing；
7, the second welding head: being mainly made of pressure sensor, capillary grip block, capillary, variable-position cylinder, with the second weldering
Power supply connection is connect, it can independent control；
8, variable-position cylinder: being installed on sliding block, connect with the second welding head, in the second welding head Y-direction
It is mobile, to adapt to the welding of the battery modules of identical product difference battery core spacing；
9, welding head installs guide rail: for fixing sliding block, the second welding head and the first welding head X-direction is adjusted
On spacing；
10, Z axis straight line mould group: for installing backboard, Z axis straight line mould group is installed in X-axis straight line mould group, makes welding point
Realize Z-direction movement；
11, X-axis straight line mould group: for installing Z axis straight line mould group, welding point is made to realize X to movement；
12, Y-axis straight line mould group: for driving product Y-direction mobile；
13, it mould group support plate: positions, and is fixed in Y-axis straight line mould group for mould group.
The beneficial effects of the utility model are: the utility model provides a kind of four spot welding mode of dual power supply, the welding
Existing welding beat can be promoted one times by mode, to meet the needs of large-scale production production capacity.The utility model is also examined simultaneously
Consider different product, such as the mixed production of 18650 battery modules and 21700 battery modules, can according to the design of different mould groups,
The spacing of butt welding machine head is adjusted, to improve the flexibility and compatibility of automatic production line, to reduce equipment investment
Cost.The utility model is a kind of double electricity of compatible multiple power battery modules that can satisfy large-scale production production capacity demand
4, source Resistance Welding connection device.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of 4 Resistance Welding connection devices of the utility model dual power supply；
Fig. 2 is the portion the A-A partial enlarged view in 4 Resistance Welding connection devices of the utility model dual power supply；
Fig. 3 is to be spot welded current diagram using the dual power supply four of the utility model Resistance Welding connection device；
In figure: 1- capillary；2- capillary grip block；The first welding head of 3-；4- pressure sensor；5- backboard；6- sliding block；7-
Second welding head；8- variable-position cylinder；9- guide rail；10-Z axis straight line mould group；11-X axis straight line mould group；12-Y axis straight line mould group；
13- mould group support plate.
Specific embodiment
The utility model is described in detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1 to Figure 3,4 Resistance Welding connection devices of dual power supply of a kind of compatible multiple power battery modules,
4 Resistance Welding connection devices of the dual power supply are mainly by the first welding head 3, backboard 5, sliding block 6, the second welding head 7, guide rail
9, Z axis straight line mould group 10, X-axis straight line mould group 11, Y-axis straight line mould group 12 and mould group support plate 13 form；In Y-axis straight line mould group 12
It is fixedly installed mould group support plate 13, Z axis straight line mould group 10 is installed in X-axis straight line mould group 11, and it is straight that backboard 5 is fixedly installed on Z axis
In line mould group 10, backboard 5 is moved with Z axis straight line mould group 10 along Z-direction, and the first welding head 3 and guide rail 9 are equipped on backboard 5,
Be provided with sliding block 6 on the rail 9, be provided with the second welding head 7 on sliding block 6, the second welding head 7 on sliding block 6 along X to
Running fix.
First welding head 3 is from top to bottom successively made of pressure sensor 4, capillary grip block 2 and capillary 1, and pressure passes
Sensor 4 is set to the top of capillary grip block 2, and capillary 1 is set to the bottom of capillary grip block 2, capillary grip block 2 and the first weldering
Connect power supply connection.Second welding head 7 is from top to bottom successively made of pressure sensor 4, capillary grip block 2 and capillary 1, pressure
Sensor 4 is set to the top of capillary grip block 2, and capillary 1 is set to the bottom of capillary grip block 2, is fixedly installed on sliding block 6
There is a variable-position cylinder 8, the second welding head 7 is fixedly connected with variable-position cylinder 8.
Using the welding process of 4 Resistance Welding connection devices of the utility model dual power supply specifically: (1) battery modules are put
It is placed on mould group support plate 13；(2) Y-axis straight line mould group 12 is moved to welding initial position with dynamic model group support plate 13；(3) X-axis straight line
Mould group 11 drives Z axis straight line mould group 10 and the first, second welding head 7 to be moved to above mould group battery core to be welded；(4) Z axis is straight
Line mould group 10 drives the first, second welding head 7 to press in battery core pole piece, when pressure reaches setting value, pressure sensor 4
Provide signal；(5) first sources of welding current and second source of welding current pass through the first welding head 3 respectively and the second welding head 7 is put
Electricity, electric current flow through capillary grip block 2, capillary 1, workpiece forming circuit, are completed at the same time the welding of two groups of nickel sheet and battery core pole piece；
(6) then Z axis rises 5mm；(7) X-axis straight line mould group 11 and Y-axis straight line mould group 12 drive welding head and mould group to be moved to respectively
Next group of battery core to be welded；(8) step (4)~(6) are repeated, until completing all battery core welding.
When battery core spacing is inconsistent in same mould group, or when different mould group battery core size spacing differs greatly, such as
18650 battery modules and 21700 battery modules can adjust the first welding head 3 and the second welding head 7 by variable-position cylinder 8
Between Y-direction spacing, by adjusting the second welding head 7 position on the rail 9 with change the X between two groups of capillaries 1 to
Away to adapt to the welding of different product or different battery core spacing mould groups.
Finally it should be noted that the above content is only to illustrate the technical solution of the utility model, rather than it is practical to this
The limitation of novel protected range, those skilled in the art to the technical solution of the utility model carry out it is simple modification or
Person's equivalent replacement, all without departing from the spirit and scope of technical solutions of the utility model.
Claims (3)
1. a kind of 4 Resistance Welding connection devices of dual power supply of compatible multiple power battery modules, it is characterised in that: described double
4 Resistance Welding connection devices of power supply are mainly by the first welding head, backboard, sliding block, the second welding head, guide rail, Z axis straight line
Mould group, X-axis straight line mould group, Y-axis straight line mould group and mould group support plate composition；It is fixedly installed in the Y-axis straight line mould group described
Mould group support plate, the Z axis straight line mould group are installed in X-axis straight line mould group, and the backboard is fixedly installed on the Z axis straight line mould group
On, the backboard is moved with the Z axis straight line mould group along Z-direction, and first welding head and institute are equipped on the backboard
Guide rail is stated, the sliding block is provided on the guide rail, is provided with second welding head on the slide block, described second
Welding head is on the slide block along X to running fix.
2. 4 Resistance Welding connection devices of dual power supply of compatible multiple power battery modules according to claim 1,
Be characterized in that: first welding head is from top to bottom successively made of pressure sensor, capillary grip block and capillary, the pressure
Force snesor is set to the top of the capillary grip block, and the capillary is set to the bottom of the capillary grip block, the weldering
Needle grip block is connect with first source of welding current.
3. 4 Resistance Welding connection devices of dual power supply of compatible multiple power battery modules according to claim 1 or 2,
It is characterized by: second welding head is from top to bottom successively made of pressure sensor, capillary grip block and capillary, it is described
Pressure sensor is set to the top of the capillary grip block, and the capillary is set to the bottom of the capillary grip block, in institute
It states and is fixedly installed a variable-position cylinder on sliding block, second welding head is fixedly connected with the variable-position cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820559853.2U CN208214556U (en) | 2018-04-19 | 2018-04-19 | 4 Resistance Welding connection devices of dual power supply of compatible multiple power battery modules |
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|---|---|---|---|
| CN201820559853.2U CN208214556U (en) | 2018-04-19 | 2018-04-19 | 4 Resistance Welding connection devices of dual power supply of compatible multiple power battery modules |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108326408A (en) * | 2018-04-19 | 2018-07-27 | 上海精虹新能源科技有限公司 | 4 Resistance Welding connection devices of dual power supply of compatible multiple power battery modules |
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2018
- 2018-04-19 CN CN201820559853.2U patent/CN208214556U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108326408A (en) * | 2018-04-19 | 2018-07-27 | 上海精虹新能源科技有限公司 | 4 Resistance Welding connection devices of dual power supply of compatible multiple power battery modules |
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