CN211588988U - Welding jig - Google Patents
Welding jig Download PDFInfo
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- CN211588988U CN211588988U CN201921856439.9U CN201921856439U CN211588988U CN 211588988 U CN211588988 U CN 211588988U CN 201921856439 U CN201921856439 U CN 201921856439U CN 211588988 U CN211588988 U CN 211588988U
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Abstract
The utility model discloses a welding jig belongs to welding set technical field. The welding jig comprises two identical operation units, wherein each operation unit comprises a positioning plate which is used for accommodating and fixing one battery module; the first driving piece is provided with a pressing block and can drive the pressing block to tightly press the tab on the bus bar; the second driving piece is in driving connection with the positioning plate and used for driving the battery module to move to a welding station; two of the job units are configured to: when the second driving piece of one operation unit drives the compacted battery module to move to the welding station for welding; the first driving piece of the other operation unit can drive the pressing block to press the lug on the bus bar. The advantages are that: the standby time of the welding equipment can be shortened, and the welding efficiency is high.
Description
Technical Field
The utility model relates to a welding set technical field especially relates to a welding jig.
Background
New energy vehicles have become an integral trend of automobile industry development, and most of the new energy vehicles are pure electric vehicles or hybrid electric vehicles which adopt lithium batteries as electric energy storage devices. Due to the characteristics of lithium batteries, hard-shell batteries with steel shells, aluminum shells and plastic shells generally have potential safety hazards of explosion. The soft package battery has the advantages of high safety, high energy density, long service life and the like, and gradually replaces a hard shell battery.
In the production manufacturing process of the laminate polymer battery module, the high-voltage electric connection inside the laminate polymer battery module is required to be realized through a laser welding mode. In order to ensure the laser welding effect, the soft package battery module is firstly installed in a welding jig before welding; then compressing the electrode lug of the battery core of the battery module through a welding jig to ensure that the electrode lug is tightly contacted with the busbar; and finally, welding can be carried out. The welding equipment in the step is long in halt waiting time, so that resource waste is caused, the production cost is high, and the welding efficiency is low.
In view of the above problems, a welding jig is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a welding jig, welding jig simple structure, manufacturing cost is lower, and work efficiency is higher, and compresses tightly and the welding effect is all better.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a welding jig for compress tightly the utmost point ear of battery module in order to weld on the busbar of battery module, including two the same operation units, every the operation unit includes:
the positioning plate is used for accommodating and fixing one battery module;
the first driving piece is provided with a pressing block and can drive the pressing block to tightly press the tab on the bus bar;
the second driving piece is in driving connection with the positioning plate and used for driving the battery module to move to a welding station;
two of the job units are configured to: when the second driving piece of one operation unit drives the compacted battery module to move to the welding station for welding; the first driving piece of the other operation unit can drive the pressing block to press the lug on the bus bar.
Preferably, two of the working units are arranged in central symmetry.
Preferably, the welding jig further comprises a bottom plate, the bottom plate is arranged on a workbench of the welding equipment, and the two operation units are located on the bottom plate.
Preferably, a guide rail is arranged on the bottom plate, a sliding block is arranged at the bottom end of the positioning plate, and the sliding block moves along the guide rail so that the battery module moves to the welding station.
Preferably, the two guide rails are provided for the sliding of the sliding blocks on the positioning plates in the two working units respectively.
Preferably, the first driving member is a finger cylinder.
Preferably, the second drive member is a pen cylinder.
Preferably, the compact is a copper block.
The utility model has the advantages that:
the utility model provides a welding jig. In the welding jig, the first driving piece drives the pressing block to tightly press the lug of the battery module to the bus bar, and the second driving piece is used for driving the positioning plate and the battery module to move to a welding station. When the second driving piece of one operation unit drives the compacted battery module to move to a welding station for welding; the first driving piece of the other operation unit can drive the pressing block to press the pole lug on the bus bar. After the battery module on one operation unit on the welding station is welded, the battery module on the other operation unit can be immediately moved to the welding station for welding, so that the shutdown waiting time of welding equipment is short, the resource waste is avoided, the cost is saved, and the welding efficiency is high; the pressing block is used for pressing the lug, so that the lug and the busbar are better in fit tightness, the welding effect is better, and welding failure cannot occur; adopt first driving piece and second driving piece to carry out automation mechanized operation, labour saving and time saving, degree of automation is high, and welding jig's easy operation, work efficiency is higher.
Drawings
Fig. 1 is an overall view of a welding jig according to a first embodiment of the present invention;
fig. 2 is a schematic flow chart of a method for using a welding jig according to a second embodiment of the present invention.
Description of reference numerals:
in the figure:
1-welding a jig; 11-a guide rail; 12-a second drive member; 13-a first drive member; 14-briquetting; 15-positioning a plate; 16-a base plate;
2-a second battery module; 3-a first battery module.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features. Like reference numerals refer to like elements throughout the specification.
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.
Example one
In the embodiment, a welding jig is provided, and the welding jig 1 is disposed on a welding equipment workbench (not shown in the figure) and is used for pressing the tabs of the battery module onto the bus bars of the battery module for welding. The lug is located on the bus bar on the top end face of the battery module, and the welding jig 1 is used for compressing the lug onto the bus bar and then welding the lug onto the bus bar. In this embodiment, the battery module is laminate polymer battery module. The soft package battery module has the characteristics of high safety, high energy density and long service life.
In this embodiment, the tabs are welded to the bus bar by laser welding. The laser welding does not need to use electrodes, the worry of electrode pollution or damage is avoided, and the loss and deformation of machines and tools can be reduced to the minimum because the laser welding does not belong to a contact welding process; the laser beam is easily focused, aligned and guided by optical instruments, can be placed at a suitable distance from the workpiece, and can be redirected between tools or obstacles around the workpiece, other welding methods cannot be performed due to the space limitations described above; the laser beam can be focused on a small area and can weld small and closely spaced parts.
As shown in fig. 1, the welding jig 1 comprises two same operation units, wherein the two operation units are arranged in a central symmetry manner, and the central symmetry manner can facilitate the compressing and welding orderly operation of the battery modules on the two operation units, so that the operation is more convenient. Each of the operation units includes a positioning plate 15, a first driving member 13 and a second driving member 12. The positioning plate 15 is used for accommodating and fixing a battery module; a pressing block 14 is arranged on the first driving piece 13, and the first driving piece 13 can drive the pressing block 14 to tightly press the tabs on the bus bar; the second driving member 12 is in driving connection with the positioning plate 15 and is used for driving the battery module to move to the welding station.
Two job units are configured to: when the second driving part 12 of one operation unit drives the compacted battery module to move to a welding station for welding; the first drive element 13 of the other work unit can drive the press piece 14 to press the tab against the busbar.
When the second driving part 12 of one operation unit drives the compacted battery module to move to a welding station for welding; the first drive element 13 of the other work unit can drive the press piece 14 to press the tab against the busbar. After the welding of the battery module of one operation unit on the welding station is finished, the battery module on the other operation unit can be immediately moved to the welding station for welding; the welding equipment can not be used for welding after the battery module on the welding station is welded, the welding equipment needs to wait for the compression of the lug of the new battery module and then move to the welding station, the compression time of the lug of the new battery module is shortened, the shutdown waiting time of the welding equipment is short, the resource waste can not be caused, the cost is saved, and the welding efficiency is high.
The pressing block 14 is used for pressing the lug, so that the fitting tightness of the lug and the busbar is better, the busbar area is reliable, the welding effect is better, and welding failure cannot occur; adopt first driving piece 13 and second driving piece 12 to carry out automation mechanized operation, labour saving and time saving, degree of automation is high, and welding jig 1's easy operation, work efficiency is higher. Welding jig 1's simple structure, after the welding finishes, unload the battery module from welding jig 1 very easily and take off, realized the quick welding and unload to the battery module, greatly improved the welding and unloaded efficiency, reduced manufacturing cost simultaneously.
Specifically, the two battery modules on the two active units are the first battery module 3 and the second battery module 2, respectively. Welding jig 1 still includes bottom plate 16, and bottom plate 16 sets up on the welding equipment workstation, and fixes on the welding equipment workstation, and two operation units all are located bottom plate 16 to make first battery module 3 and second battery module 2 all be located the welding equipment workstation. In this embodiment, the base plate 16 is a bakelite base plate made of phenolic resin. The bakelite bottom plate has better rigidity and can stably support the battery module arranged on the upper side of the bakelite bottom plate; the bakelite soleplate has better chemical corrosion resistance and heat resistance and low price.
Further, a guide rail 11 is arranged on the bottom plate 16, a sliding block is arranged at the bottom end of the positioning plate 15, and the sliding block moves along the guide rail 11 so that the battery module moves to the welding station. The two guide rails 11 are arranged and are respectively used for sliding the sliding blocks on the positioning plates 15 in the two operation units, so that the second driving pieces 12 in the two operation units respectively drive the sliding blocks on the positioning plates 15 to slide along the two guide rails 11, and the first battery module 3 and the second battery module 2 are moved to a welding station for welding.
In this embodiment, the first driving member 13 is a finger cylinder. The finger cylinder uses compressed air as power to clamp or grab the actuating device of the pressing block 14. The finger cylinder can effectively replace manual work of grabbing the briquetting 14, greatly improves grabbing efficiency, and the reliability is high, and device simple structure, light and installation maintain simply, and its pressure level is lower, and is safe in utilization, and work safety is higher, and life is longer. In other embodiments, the first driving member 13 may be a robot.
In this embodiment the second driver 12 is a pen cylinder. The pen-shaped cylinder is a cylindrical metal part which guides the piston to perform linear reciprocating motion in the cylinder. The pen-shaped air cylinder is light in weight and small in size, and can stably bear the positioning plate 15 to move along the guide rail 11; the pen-shaped air cylinder can be arranged at the bottom end of the positioning plate 15, so that the use space is greatly saved; and the end cover of the pen-shaped air cylinder is connected with the cylinder barrel and is used for double-layer riveting with high reliability, the durability is high, the separation is not easy, and the reliability is high. In other embodiments, the second driver 12 may also be a linear cylinder.
In this embodiment, set up the quantity of operation unit into two, can be when first battery module 3 welds, second battery module 2 carries out the work that utmost point ear compressed tightly to in the back is welded to first battery module 3, second battery module 2 can weld immediately, has greatly shortened welding equipment's latency, has improved welding efficiency. In other embodiments, the number of job units may also be set to three or four. The specific number of the battery modules to be welded is determined according to the number of the battery modules to be welded and the production requirements.
In this embodiment, when the size quantity that needs compress tightly and welded battery module changes, only need adjust the quantity and the position of operation unit can, just can compress tightly and weldment work through this welding jig 1, no longer need change assorted welding jig 1, make welding jig 1's commonality higher, make welding efficiency higher simultaneously.
Example two
In the embodiment, a method for using a welding jig is provided. The use method of the welding jig utilizes the welding jig 1 of the first embodiment to perform compression welding, so that the compression and welding processing of the battery module can be automatically controlled, the operation is convenient, and the working efficiency is higher. The use method of the welding jig further comprises a controller, wherein the controller can send out a control signal to control the first driving part 13 and the second driving part 12 to automatically work. The controller can realize the automatic control of the whole welding jig 1 and the welding equipment.
The Controller is a master device for controlling the starting, speed regulation, braking and reversing of the motor by changing the wiring of the master circuit or the control circuit and changing the resistance value in the circuit according to a preset sequence. The controller consists of a program counter, an instruction register, an instruction decoder, a time sequence generator and an operation controller, and is a decision mechanism for issuing commands, namely, the decision mechanism is used for coordinating and commanding the operation of the whole computer system.
In this embodiment, the controller is a combinational logic controller, and is composed of a logic circuit. The control speed of the combined logic controller is high, after the welding of the battery module of one operation unit on the welding station is completed, the second driving piece 12 is immediately controlled to drive the battery module on the positioning plate 15 of the other operation unit to immediately move to the welding station for welding, so that the stop waiting time of the welding equipment is short, the resource waste is avoided, the cost is saved, and the welding efficiency is high.
The specific working process of the using method of the welding jig in the embodiment is as follows: as shown in fig. 2, first, the first battery module 3 and the second battery module 2 are respectively mounted on the positioning plates 15 of the two operation units, and the two first driving members 13 start to operate to respectively drive the pressing blocks 14 of the first battery module 3 and the second battery module 2 to press the tabs onto the bus bars; after the tabs of the first battery module 3 are tightly pressed, the tabs are leveled in a manual mode so that the tabs are tightly attached to the busbar; when the pressing surface of the tab of the first battery module 3 is flat and the pressing effect is good, the first driving piece 13 of the first battery module 3 is driven to send a pressing completion signal to the controller; after receiving the signal of completion of the compaction, the controller sends a push signal to the second driving member 12 driving the first battery module 3.
Secondly, after receiving a pushing signal sent by the controller, the second driving part 12 drives the positioning plate 15 bearing the first battery module 3 to move along the guide rail 11 until the first battery module 3 is pushed to a welding station for welding; meanwhile, the first driving part 13 driving the second battery module 2 continues to drive the pressing block 14 to compress the tab of the second battery module 2 until the compression surface of the tab of the second battery module 2 is flat, and when the compression effect is good, the first driving part 13 driving the second battery module 2 sends a signal of completion of compression to the controller, and after receiving the signal of completion of compression, the controller waits for receiving a pause waiting instruction sent by the welding equipment.
Then, after the welding of the first battery module 3 is completed, the welding equipment is in a state of a pause waiting instruction, at the moment, the welding equipment sends the pause waiting instruction to the controller, the controller sends a push signal to the second driving piece 12 driving the second battery module 2 again after receiving the pause waiting instruction sent by the welding equipment, and after receiving the push signal sent by the controller, the second driving piece 12 drives the positioning plate 15 bearing the second battery module 2 to move along the guide rail 11 until the second battery module 2 is pushed to a welding station for welding; at the same time, the controller sends the push signal to the second driving member 12 driving the first battery module 3 again.
Finally, after receiving the pushing signal, the second driving member 12 drives the welded first battery module 3 to move to an operator station, the operator detaches and takes off the first battery module 3 from the positioning plate 15, and a new battery module which is not welded is placed on the positioning plate 15; when the second battery module 2 is welded, the controller controls the first driving member 13 to perform tab compression work on the new battery module which is not welded. The time for placing and disassembling the battery module and for compressing the pole lugs is greatly saved. After the second battery module 2 is welded, the controller controls the second driving member 12 to drive a new battery module to immediately move to the welding station for welding. And repeating the process until the battery modules to be welded are completely pressed and welded so as to complete the working process of pressing and welding the whole battery module.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (8)
1. The utility model provides a welding jig for compress tightly the utmost point ear of battery module in order to weld on the busbar of battery module, its characterized in that includes two the same operation units, every the operation unit includes:
the positioning plate (15), the positioning plate (15) is used for accommodating and fixing one battery module;
the first driving piece (13), a pressing block (14) is arranged on the first driving piece (13), and the first driving piece (13) can drive the pressing block (14) to press the tabs on the bus bar;
the second driving piece (12) is in driving connection with the positioning plate (15) and used for driving the battery module to move to a welding station;
two of the job units are configured to: when the second driving piece (12) of one operation unit drives the compacted battery module to move to the welding station for welding; the first driving piece (13) of the other working unit can drive the pressing piece (14) to press the lug on the bus bar.
2. The welding jig of claim 1, wherein the two operation units are arranged in a central symmetry.
3. The welding jig of claim 1, characterized in that the welding jig (1) further comprises a base plate (16), the base plate (16) is arranged on a welding equipment workbench, and both the working units are located on the base plate (16).
4. The welding jig of claim 3, characterized in that a guide rail (11) is arranged on the bottom plate (16), and a slider is arranged at the bottom end of the positioning plate (15), and the slider moves along the guide rail (11) to move the battery module to the welding station.
5. Welding jig according to claim 4, characterized in that the guide rail (11) is provided with two, respectively for the sliding of the slide blocks on the positioning plate (15) in two working units.
6. A welding fixture according to claim 1, characterized in that said first driving member (13) is a finger cylinder.
7. A welding jig according to claim 1 wherein the second driving member (12) is a pen-shaped cylinder.
8. A welding fixture according to claim 1, characterized in that said pressing block (14) is a copper block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921856439.9U CN211588988U (en) | 2019-10-31 | 2019-10-31 | Welding jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921856439.9U CN211588988U (en) | 2019-10-31 | 2019-10-31 | Welding jig |
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| Publication Number | Publication Date |
|---|---|
| CN211588988U true CN211588988U (en) | 2020-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921856439.9U Active CN211588988U (en) | 2019-10-31 | 2019-10-31 | Welding jig |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110640364A (en) * | 2019-10-31 | 2020-01-03 | 上海派能能源科技股份有限公司 | Welding jig and using method thereof |
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2019
- 2019-10-31 CN CN201921856439.9U patent/CN211588988U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110640364A (en) * | 2019-10-31 | 2020-01-03 | 上海派能能源科技股份有限公司 | Welding jig and using method thereof |
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