CN209110436U - A kind of welding fixture - Google Patents
A kind of welding fixture Download PDFInfo
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- CN209110436U CN209110436U CN201821444391.6U CN201821444391U CN209110436U CN 209110436 U CN209110436 U CN 209110436U CN 201821444391 U CN201821444391 U CN 201821444391U CN 209110436 U CN209110436 U CN 209110436U
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- welding
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Abstract
The utility model discloses a kind of welding fixtures; it include: pedestal; it includes a support base; a pair of of side support positioned at support base two sides; the at least one piece of pressure head mounting plate being respectively arranged at the top of support base and a pair of of side support blows the insufflation unit of protection gas to each battery core when being respectively equipped with welding on every piece of pressure head mounting plate；At least one belt conveyor is arranged between support base and side support, and belt conveyor is transferred to welding post for that will weld load plate jig；Welding load plate jig is placed on the belt conveyor, and welding load plate jig is for loading battery core；In welding load plate jig bottom, Shang Ding mechanism is used to upwards jack up the battery core to be welded being placed on welding load plate jig and weld at extremely welding pressure head the setting of Shang Ding mechanism.The utility model efficiently solves the problems, such as the features such as burn-through and solder joint jaundice, the utility model also have structure simple, easy to implement.
Description
[technical field]
The utility model relates to battery cores to produce and process field, in particular to one kind can weld large-sized battery module
Welding fixture.
[background technique]
Lithium battery is the new generation of green high-energy battery of performance brilliance, because it is with high voltage, high capacity, low consumption, nothing
Memory effect, the features such as nuisanceless, small in size, internal resistance is small, self discharge is few, cycle-index is more.And it is widely used in automobile power
Battery, mobile phone, laptop, tablet computer etc. be numerous civilian and military field.
Cylindrical power battery is since performance is stablized, and price is cheaper than batteries such as rectangular Soft Rolls, therefore by numerous new energy
Source Automobile Enterprises and power battery enterprise pursue.But cylindrical battery monomer capacity is lower, therefore be usually by tens very
It is combined to hundreds of monomer cylindrical batteries through series-parallel system, and forms high-capacity cylindrical battery modules.Mould group welding is made
Effect for one of most important process in cylindrical battery production process, welding directly influences the quality of battery case, battery case
Quality problems then can directly jeopardize the safety of user.It mainly will appear solder joint jaundice and burn-through etc. after the welding of mould set product to ask
Topic.The reason of solder joint turns to be yellow is to blow to protect gas uneven；And burn-through problem main reasons is that fixture pressing it is bad, lead to battery core
It is not bonded with elastic slice；In addition, current fixture is mainly the welding of small mould group, compatible range is small, for big mould group using multiple
The mode of pressing is welded, and production efficiency is low.Current welding fixture can not also efficiently solve problem above, not can guarantee
Weld yield.
[summary of the invention]
In conclusion the main purpose of the utility model is to solve big mould group in existing cylindrical battery production line and need
It to be welded by the way of repeatedly pressing, production efficiency is low, will appear solder joint jaundice and burn-through etc. after the welding of mould set product
Technical problem, and a kind of welding fixture is provided.
In order to solve the above-mentioned technical problem, the utility model provides welding fixture, and the fixture includes:
Pedestal comprising a support base, a pair of of side support positioned at the support base two sides, and be respectively arranged on described
Support base and a pair of of side support top and perpendicular connected at least one piece of pressure head mounting plate, every piece of pressure head mounting plate
On the insufflation unit of protection gas is blown when being respectively equipped with welding to each battery core；
At least one belt conveyor is arranged between the support base and side support, the belt conveyor
Structure is transferred to welding post for that will weld load plate jig；
Load plate jig is welded, is placed on the belt conveyor, the welding load plate jig is for loading battery core；
Shang Ding mechanism, in welding load plate jig bottom, the Shang Ding mechanism is carried for that will be placed on welding for setting
Battery core to be welded on disk jig jacks up upwards is welded at extremely welding pressure head.
At least two barrier assemblies are respectively arranged on the side wall of the support base and a pair of of side support.
The pressure head mounting plate is rectangular plate-like structure, is offered respectively thereon multiple for the barrier assembly stretching
Notch, and the pressure head installation region between each notch and for erecting and welding pressure head, the pressure head installation region is by X row
And Y column are constituted by the pressure head mounting hole of array arrangement.
The insufflation unit includes: multiple welding pressure heads, multiple protection gas channels and multiple speed governing valves, the multiple welding
Pressure head is loaded on respectively in each pressure head mounting hole, and each protection gas channel is respectively arranged between adjacent two column pressure head mounting hole,
The protection gas channel is connected with the stomata welded on pressure head, and the speed governing valve by being set to pressure head mounting plate edge and outside
Nitrogen making machine be connected.
The inner wall of the pressure head mounting hole is equipped with edge in one, and the head of the welding pressure head is embedded in pressure head mounting hole
In, weld pressure head tail portion rest on it is described interior along upper.
Overhead gage is fixedly provided on the outside of the pressure head installation region.
The belt conveyor includes: motor, chain, drive sprocket, driven sprocket, drive shaft and transfer assembly, institute
The output end for stating motor is connected with driving wheel, and the chain is meshed with drive sprocket and driven sprocket respectively, described driven
Sprocket wheel is then keyed with drive shaft, and the both ends of the drive shaft are rotatablely connected with transfer assembly respectively.
The Shang Ding mechanism includes: driving assembly, bottom plate, push plate, multiple pushing blocks and multiple locating pieces, the driving component
It is drivingly connected by the bottom plate being connected with its movable end and push plate, each locating piece is separately positioned on four in the push plate
At angle, the pressure head mounting hole of the multiple pushing block and the pressure head installation region is corresponded.
The welding load plate jig be rectangular plate-like structure, offer thereon several respectively with the pressure head mounting hole and
The one-to-one first through hole in the position of multiple pushing blocks, on welding load plate jig bottom surface and at the pushing block relative position
It is provided with a battery core pallet, offers that corresponding with the position of the first through hole several are second logical on the battery core pallet respectively
Hole, and location hole corresponding with the locating piece, the aperture of second through-hole are less than the aperture of the first through hole.
The pushing block includes a fixed part and is telescopically arranged on the fixed part and diameter is less than the work of the fixed part
Dynamic portion, the shape of the movable part is corresponding with the shape of second through-hole, and the fixed part is embedded in the push plate, institute
It is then protruding by push plate to state movable part, when the driving component drives bottom plate and push plate to extend upwards, the locating piece is inserted
Enter in the location hole, will welding load plate jig positioning, the movable part of the pushing block pass through first through hole and the second through-hole and incite somebody to action
Battery core is jacked up at extremely welding pressure head upwards for welding.
By adopting the above technical scheme, compared with prior art, beneficial effect caused by the utility model is:
Clamp base devises individual spring for each battery core position, it is ensured that each battery core is bonded with elastic slice
Effect, to efficiently solve the problems, such as burn-through；Design has protection gas channel on copper mouth pressure head mounting plate, protects gas in welding
The position of each battery core can be blown to by gas circuit, thus the problem of effectively improving solder joint jaundice；Fixture is able to satisfy maximum 13*
13 mould group welding, when welding, only need one step press, greatly promote production efficiency；Clamp base conveys skin by increasing tool plate
Band makes fixture that can dock automatic assembly line, to realize automated production；By the way of upper positioning, each position is set fixture
There is individual copper mouth pressure head, convenient for pressure head maintenance replacement.The features such as the utility model also has structure simple, easy to implement.
[Detailed description of the invention]
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the structural schematic diagram of the pedestal of the utility model；
Fig. 3 is the structural schematic diagram of the pressure head mounting plate of the utility model；
Fig. 4 is another structural schematic diagram of the pressure head mounting plate of the utility model；
Fig. 5 is the schematic diagram that the part of Fig. 2 is put；
Fig. 6 is the structural schematic diagram of the belt conveyor of the utility model；
Fig. 7 is the structural schematic diagram of the Shang Ding mechanism of the utility model；
Fig. 8 is the connection schematic diagram of welding the load plate jig and battery core pallet of the utility model；
Fig. 9 is the structural schematic diagram of the pushing block of the utility model；
Figure 10 is the structural schematic diagram of the welding pressure head of the utility model；
[specific embodiment]
The following example is being explained further and supplementing to the utility model, will not constitute any limit to the utility model
System.
As shown in Fig. 1~Figure 10, the welding fixture of the utility model includes: pedestal 1, at least one belt conveyor 2,
Weld load plate jig 3 and Shang Ding mechanism 4.The welding load plate jig 3 can be drivingly set on the belt conveyor 2, institute
Shu Shangding mechanism 4 is located at 3 bottom of welding load plate jig, and the belt conveyor 2 is located at described 3 liang of welding load plate jig
Side, in the present embodiment, the quantity of the belt conveyor are two.The pedestal 1 includes a support base 11, is located at described
A pair of of side support 12 of 11 two sides of support base, and be respectively arranged on the support base 11 and 12 top of a pair of of side support and with
Its at least one piece of pressure head mounting plate 13 being vertically connected, such as Fig. 3, shown in Fig. 4, in the present embodiment, the pressure head mounting plate 13
Quantity be two pieces.Specifically, the pressure head mounting plate 13 is rectangular plate-like structure, is offered respectively thereon multiple for the resistance
The notch 131 of 121 stretching of component is kept off, and the pressure head installation region between each notch and for erecting and welding pressure head
132, the pressure head installation region 132 is arranged by X row and Y and is constituted by the pressure head mounting hole 133 of array arrangement.Every piece of pressure head peace
The insufflation unit 14 of protection gas is blown when being respectively equipped with welding in loading board 13 to each battery core.Specifically, the insufflation unit 14 is wrapped
It includes: multiple welding pressure heads 134, multiple protection gas channels 135 and multiple speed governing valves 136.The multiple welding pressure head 134 fills respectively
In in each pressure head mounting hole 133, each protection gas channel 135 is respectively arranged between adjacent two column pressure head mounting hole, described
Protection gas channel is connected with the stomata 1341 welded on pressure head 134, and the speed governing valve 136 by being set to pressure head mounting plate edge
It is connected with external nitrogen making machine, so that gas will be protected, which to pass through the stomata on welding pressure head by each protection gas channel, is blown to each electricity
Core solves the problems, such as that solder joint turns to be yellow by this uniform blowing method.
As shown in figure 5, further, the inner wall of the pressure head mounting hole 133 is equipped in one along 1331, and the welding is pressed
First 134 head is embedded in pressure head mounting hole 133, weld pressure head tail portion rest on it is described interior along 1331.
As shown in Fig. 2, further, being fixedly provided with overhead gage 1321 on the outside of the pressure head installation region 132.
As shown in fig. 6, at least one belt conveyor 2 is arranged between the support base 11 and side support 12, institute
It states belt conveyor 2 and is transferred to welding post for load plate jig will to be welded.Specifically, the belt conveyor 2 includes:
Motor 21, chain 22, drive sprocket 23, driven sprocket 24, drive shaft 25 and transfer assembly 26, the output end of the motor 21 with
Drive sprocket 23 is connected, and the chain 22 is meshed with drive sprocket 23 and driven sprocket 24 respectively, the driven sprocket 24
It is then keyed with drive shaft 25, the both ends of the drive shaft 25 are rotatablely connected with transfer assembly 26 respectively.
Such as Fig. 4, shown in Fig. 8, the welding load plate jig 3 is placed on the belt conveyor 2, the welding load plate
Jig 3 is for loading battery core.Specifically, the welding load plate jig 3 is rectangular plate-like structure, offers several difference thereon
It is described with the one-to-one first through hole 31 in position and first positioning hole 35 of the pressure head mounting hole 133 and multiple pushing blocks 44
Welding 3 bottom surface of load plate jig on and be provided with a battery core pallet 32 at 44 relative position of pushing block, on the battery core pallet 32
Offer respectively and the first through hole 31) corresponding several second through-holes 33 in position, and it is right with the locating piece 45
The second location hole 34 answered, the aperture of second through-hole 33 are less than the aperture of the first through hole 31.
As shown in fig. 7, the Shang Ding mechanism 4, setting is used in 3 bottom of welding load plate jig, the Shang Ding mechanism 4
It is welded at extremely welding pressure head in jacking up the battery core to be welded being placed on welding load plate jig 3 upwards.Specifically, described
Shang Ding mechanism 4 includes: driving assembly 41, bottom plate 42, push plate 43, multiple pushing blocks 44 and multiple locating pieces 45, the driving component
41 are drivingly connected by the bottom plate 42 being connected with its movable end and push plate 43, and each locating piece 45 is separately positioned on the push plate
At four angles on 43, the multiple pushing block 44 and the pressure head mounting hole 133 of the pressure head installation region are corresponded.
As shown in figure 9, the pushing block 44 includes a fixed part 441 and is telescopically arranged on the fixed part 441 and straight
Diameter is less than the movable part 442 of the fixed part, and the shape of the movable part 442 is corresponding with the shape of second through-hole 33, institute
It states fixed part 441 to be embedded in the push plate 43, the movable part 442 is then protruding by push plate 43, works as the driving component
When 41 driving bottom plates 42 and push plate 43 extend upwards, the locating piece 45 is inserted into the location hole 34, will weld load plate jig 3
The movable part 442 of positioning, the pushing block passes through first through hole 31 and the second through-hole 33 and jacks up battery core upwards to welding pressure head
It sentences for welding.
As shown in Fig.1 and Fig.2, further, it is respectively arranged on the side wall of the support base 11 and a pair of of side support 12
At least two barrier assemblies 121.
Although being disclosed by above embodiments to the utility model, the scope of the utility model is not limited to
In this, under conditions of conceiving without departing from the utility model, above each component can be understood similar with technical field personnel
Or equivalent element is replaced.
Claims (10)
1. a kind of welding fixture, which is characterized in that the fixture includes:
Pedestal (1) comprising a support base (11) is located at a pair of of side support (12) of the support base (11) two sides, and
It is respectively arranged at the top of the support base (11) and a pair of of side support (12) and perpendicular connected at least one piece of pressure head is installed
Plate (13) blows the insufflation unit of protection gas to each battery core when being respectively equipped with welding on every piece of pressure head mounting plate (13)
(14)；
At least one belt conveyor (2) is arranged between the support base (11) and side support (12), the belt
Conveying mechanism (2) is transferred to welding post for that will weld load plate jig；
It welds load plate jig (3), is placed on the belt conveyor (2), the welding load plate jig (3) is for loading
Battery core；
Shang Ding mechanism (4), setting is in welding load plate jig (3) bottom, and the Shang Ding mechanism (4) will be for that will be placed on weldering
Carry the battery core to be welded on disk jig (3) jack up upwards to welding pressure head at welded.
2. welding fixture according to claim 1, which is characterized in that the support base (11) and a pair of of side support (12)
Side wall on be respectively arranged at least two barrier assemblies (121).
3. welding fixture according to claim 2, which is characterized in that the pressure head mounting plate (13) is rectangular plate-like knot
Structure offers multiple notches (131) for the barrier assembly (121) stretching respectively thereon, and between each notch
And it is used for the pressure head installation region (132) of erecting and welding pressure head, the pressure head installation region (132) is arranged by X row and Y column by array
The pressure head mounting hole (133) of column is constituted.
4. welding fixture according to claim 3, which is characterized in that the insufflation unit (14) includes: multiple welding pressures
Head (134), multiple protection gas channels (135) and multiple speed governing valves (136), the multiple welding pressure head (134) is respectively loaded on each
In pressure head mounting hole (133), each protection gas channel (135) is respectively arranged between adjacent two column pressure head mounting hole, described
Protection gas channel is connected with the stomata (1341) welded on pressure head (134), and the speed regulation by being set to pressure head mounting plate edge
Valve (136) is connected with external nitrogen making machine.
5. welding fixture according to claim 4, which is characterized in that the inner wall of the pressure head mounting hole (133) is equipped with
Along (1331) in one, the head of welding pressure head (134) is embedded in pressure head mounting hole (133), and the tail portion for welding pressure head is leaned on
It leans against on the interior edge (1331).
6. welding fixture according to claim 3, which is characterized in that also fixed on the outside of the pressure head installation region (132)
There are overhead gage (1321).
7. welding fixture according to claim 1, which is characterized in that the belt conveyor (2) includes: motor
(21), chain (22), drive sprocket (23), driven sprocket (24), drive shaft (25) and transfer assembly (26), the motor (21)
Output end be connected with drive sprocket (23), the chain (22) is mutually nibbled with drive sprocket (23) and driven sprocket (24) respectively
Close, the driven sprocket (24) then with drive shaft (25) be keyed, the both ends of the drive shaft (25) respectively with transfer assembly
(26) it is rotatablely connected.
8. welding fixture according to claim 5, which is characterized in that the Shang Ding mechanism (4) includes: driving assembly
(41), bottom plate (42), push plate (43), multiple pushing blocks (44) and multiple locating pieces (45), the driving component (41) by with its
The connected bottom plate (42) of movable end and push plate (43) are drivingly connected, and each locating piece (45) is separately positioned on the push plate (43)
On four angles at, the pressure head mounting hole (133) of the multiple pushing block (44) and the pressure head installation region corresponds.
9. welding fixture according to claim 8, which is characterized in that the welding load plate jig (3) is rectangular plate-like knot
Structure, offer thereon several respectively with the position of the pressure head mounting hole (133) and multiple pushing blocks (44) one-to-one
One through-hole (31) and first positioning hole (35), on welding load plate jig (3) bottom surface and with the pushing block (44) relative position
Place is provided with a battery core pallet (32), offers respectively on the battery core pallet (32) corresponding with the position of the first through hole (31)
Several second through-holes (33), and second location hole corresponding with the locating piece (45) (34), second through-hole
(33) aperture is less than the aperture of the first through hole (31).
10. welding fixture according to claim 9, which is characterized in that the pushing block (44) include a fixed part (441) and
It is telescopically arranged on the fixed part (441) and diameter is less than the movable part (442) of the fixed part, the movable part (442)
Shape it is corresponding with the shape of second through-hole (33), the fixed part (441) is embedded in the push plate (43), described
Movable part (442) is then protruding by push plate (43), when the driving component (41) driving bottom plate (42) and push plate (43) are upward
When extending, the locating piece (45) is inserted in respectively in the first positioning hole (35) and second location hole (34), and welding is carried
The movable part (442) of disk jig (3) positioning, the pushing block is upward by battery core across first through hole (31) and the second through-hole (33)
It jacks up at extremely welding pressure head for welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821444391.6U CN209110436U (en) | 2018-09-03 | 2018-09-03 | A kind of welding fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821444391.6U CN209110436U (en) | 2018-09-03 | 2018-09-03 | A kind of welding fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209110436U true CN209110436U (en) | 2019-07-16 |
Family
ID=67198007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821444391.6U Active CN209110436U (en) | 2018-09-03 | 2018-09-03 | A kind of welding fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209110436U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110625250A (en) * | 2019-09-27 | 2019-12-31 | 浦北高迈新能源科技有限公司 | 36V lithium ion battery module laser welding tool |
| CN114850668A (en) * | 2022-04-28 | 2022-08-05 | 浙江零跑科技股份有限公司 | Welding method for battery module |
-
2018
- 2018-09-03 CN CN201821444391.6U patent/CN209110436U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110625250A (en) * | 2019-09-27 | 2019-12-31 | 浦北高迈新能源科技有限公司 | 36V lithium ion battery module laser welding tool |
| CN114850668A (en) * | 2022-04-28 | 2022-08-05 | 浙江零跑科技股份有限公司 | Welding method for battery module |
| CN114850668B (en) * | 2022-04-28 | 2023-09-05 | 浙江零跑科技股份有限公司 | Welding method for battery module |
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