CN105081588A - Multi-point laser welding clamping device for battery pack busbar - Google Patents
Multi-point laser welding clamping device for battery pack busbar Download PDFInfo
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- CN105081588A CN105081588A CN201510372654.1A CN201510372654A CN105081588A CN 105081588 A CN105081588 A CN 105081588A CN 201510372654 A CN201510372654 A CN 201510372654A CN 105081588 A CN105081588 A CN 105081588A
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- nitrogen
- upper plate
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- bar
- plate
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/12—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
- B23K26/22—Spot welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
- B23K2101/38—Conductors
Abstract
The invention relates to a multi-point laser welding clamping device for a battery pack busbar. The device comprises a bottom plate, an upper clamping plate and a lower clamping plate, wherein a vertical cylinder and a supporting plate are arranged at each of the left side and the right side of the bottom plate; each supporting plate is positioned at the inner side of the corresponding vertical cylinder; the left side and the right side of the lower clamping plate are respectively mounted on the two supporting plates, while the left side and the right side of the upper clamping plate are respectively mounted on the two vertical cylinders; the upper clamping plate is a laser welding type upper clamping plate capable of charging nitrogen; the lower clamping plate is a tray of which the left side, the right side and the rear side are provided with upward enclosing edges; a gap is formed in the front side edge of the tray; a horizontal cylinder to which a vertical baffle plate is connected is arranged at each of the lower left side and the lower right side of the tray, wherein the baffle plate is higher than the tray. The device is reliable to clamp and convenient to control; all welding parts on the busbar can be welded with laser, thus achieving multi-point welding; meanwhile, the nitrogen can be charged to the welding parts, so that welding points can be effectively prevented from oxidative blackening, and as a result, the welding firmness can be ensured, and the working efficiency can be improved.
Description
Technical field
The present invention relates to batteries of electric automobile assembly and manufacture field, particularly relate to a kind of power brick bus-bar Laser Welding multi-point welding clamping device.
Background technology
Along with worldwide energy scarcity and environmental requirement, the electric automobile of environmental protection and energy saving has become the developing direction of automobile industry, the power source of electric automobile is exactly the battery pack formed after being connected by multisection lithium battery connection in series-parallel, realize connection in series-parallel easily to make multisection lithium battery to connect, need the electrode welding by bus-bar and each lithium battery, and bus-bar is welded on a copper bar in parallel by multiple nickel sheet and forms, but because the lithium battery forming battery pack is more, bus-bar area is larger, therefore used copper bar area in parallel is larger, nickel sheet quantity is more, the phenomenon that the skew of nickel sheet position occurs is easy in welding process, and the oxidizable blackout of solder joint, affect welding quality, reduce operating efficiency.
Summary of the invention
The present invention mainly solves that nickel sheet in the welding process of original power brick bus-bar is easily shifted, the oxidizable blackout of solder joint, and firm welding degree is undesirable, affects welding quality, reduces the technical problem of operating efficiency; A kind of power brick bus-bar Laser Welding multi-point welding clamping device is provided, its reliable clamping, it is convenient to control, after clamping bus-bar, laser welding operation can be carried out to all welding positions on bus-bar, realize multi-point welding, and nitrogen can be passed to welding position simultaneously, effectively prevent solder joint oxidizing blackening, guarantee that welding is more firm, also increase work efficiency.
The present invention provides a kind of power brick bus-bar Laser Welding multi-point welding clamping device simultaneously, and it has two stack clamping devices, and duty is interlocked, and saves time, greatly increases work efficiency.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: the present invention includes base plate, train wheel bridge and lower plate, the left side of described base plate and right side are equipped with a vertical cylinder and a gripper shoe, gripper shoe is positioned at the inner side of vertical cylinder, the left side of described lower plate, right side are arranged in two gripper shoes respectively, the left side of described train wheel bridge, right side are arranged on two vertical cylinders respectively, and described train wheel bridge is the Laser Welding train wheel bridge that can lead to nitrogen.Vertical cylinder is connected with high-pressure air pipe by pipeline, high-pressure air pipe is inflated to vertical cylinder, the piston of vertical cylinder is to rising, lift train wheel bridge, upper and lower clamping plate are separated, at this moment the power brick bus-bar needing to carry out Laser Welding can be placed on lower plate, after placing, vertical cylinder is exitted, and the piston of vertical cylinder is retracted, pull down train wheel bridge, train wheel bridge is pressed on lower plate, and upper and lower clamping plate clamping power brick bus-bar, at this moment just can carry out Laser Welding multi-point welding to power brick bus-bar, reliable clamping, it is convenient to control.Because train wheel bridge adopts the Laser Welding train wheel bridge that can lead to nitrogen, can also fill with nitrogen to welding position while carrying out Laser Welding, effectively prevent solder joint oxidizing blackening, guarantee that welding is more firm.
As preferably, described lower plate is a pallet, and the left side of pallet, right side and rear side are provided with surrounding edge upwards, and the leading edge of pallet is provided with breach.The setting of surrounding edge makes power brick bus-bar be put into after on pallet can not to drop or be shifted, and location is convenient, accurately, improve reliability.The setting of breach, reserves the space holding power brick bus-bar, is convenient to fetching battery bag bus-bar from pallet.
As preferably, the left side of the below of described pallet, right side are respectively provided with a horizontal air cylinder, and horizontal air cylinder is connected with a vertically disposed baffle plate, described baffle plate exceeds described pallet, and two baffle plates lay respectively at left side and the right side in pallet front.Horizontal air cylinder is connected with high-pressure air pipe by pipeline.During horizontal air cylinder inflation, baffle plate, to protracting, is pushed away pallet leading edge by piston, is at this moment placed on pallet by power brick bus-bar; During horizontal air cylinder venting, piston is retracted, and baffle plate is pulled to pallet leading edge, baffle plate is kept off in the front side of power brick bus-bar, plays good location, position-limiting action, guarantee that power brick can not move forward, improve reliability.
As preferably, described train wheel bridge comprises the nitrogen upper plate and nitrogen lower plate that are connected up and down, nitrogen upper plate, nitrogen lower plate are equipped with welding position laser passing hole one to one that is multiple and power brick bus-bar, the back side of nitrogen upper plate is provided with multiple nitrogen air channel be communicated with the laser passing hole on nitrogen upper plate, the side of nitrogen upper plate is provided with multiple nitrogen passage, and nitrogen passage is communicated with nitrogen air channel respectively.The back side of nitrogen upper plate covers nitrogen lower plate, and make the nitrogen air channel of back on nitrogen form nitrogen venting channels, nitrogen passage is connected with Nitrogen source gases by connecting line.During welding, the copper bar in parallel placing nickel sheet is put on lower folder, vertical cylinder controls train wheel bridge and declines and be pressed in copper bar in parallel and nickel sheet, laser weld is carried out successively by the welding position of laser passing hole to copper bar in parallel and nickel sheet one by one, complete multi-point welding, while welding, nitrogen flows to the welding position on bus-bar by nitrogen passage, nitrogen air channel and laser passing hole, thus the oxygen in air-isolation, make solder joint can not oxidizing blackening, improve firm welding degree, guarantee both quality and quantity, increase work efficiency.
As preferably, described base plate is provided with the gas row corresponding with described nitrogen passage position, nitrogen passage is provided with gas-tpe fitting, the ventilation cavity being opened on gas row side is provided with in gas row, the gas-tpe fitting be arranged on the opening of ventilation cavity is connected with Nitrogen source gases by pipeline, the end face of gas row is provided with the gas-tpe fitting of a row and described ventilation cavity connects, and the gas-tpe fitting on the gentle row of the gas-tpe fitting on nitrogen passage is connected by pipeline correspondingly.Nitrogen source gases is arranged to nitrogen upper plate aeration through gas.Pipeline distribution is neat, and nitrogen filling channel is unobstructed, improves the reliability of nitrogen inflation.
As preferably, laser passing hole on described nitrogen upper plate is a stepped hole be formed by connecting by big hole and small sircle hole, big hole is opened on the front of described nitrogen upper plate, small sircle hole is opened on the back side of described nitrogen upper plate, and described nitrogen air channel is communicated in the sidewall of described small sircle hole.Stepped hole and laser welding gun match, make laser arc welding gun head just in time can snap in stepped hole, be convenient to the positioning welding of laser welding gun, make the nitrogen flowing through nitrogen air channel can flow out stepped hole downwards quickly, filling is in the welding position of bus-bar fully, can isolate solder joint and oxygen better.
As preferably, described nitrogen upper plate, nitrogen lower plate are equipped with the copper bar emptiness avoiding hole in parallel that a position is corresponding, copper bar emptiness avoiding hole in parallel is strip and is positioned at the side of nitrogen upper plate, nitrogen lower plate.Copper bar in parallel has individual flanging, and when upper and lower clamping plate clamp copper bar in parallel and nickel sheet, the flanging on copper bar in parallel just in time snaps in copper bar emptiness avoiding hole in parallel.
As preferably, described laser passing hole is scattered in four rows from front to back on described nitrogen upper plate, and the front end of nitrogen upper plate right flank is provided with the nitrogen passage described in five, and the trailing flank of nitrogen upper plate is provided with the nitrogen passage described in seven, first row i.e. the most last row's laser passing hole has 9, every 3 compositions one group, 3 laser passing hole in one group are scattered in isosceles three and separate shape, and three groups of laser passing hole are arranged in three row and are communicated with three the nitrogen passages being positioned at nitrogen upper plate right flank front end respectively by described nitrogen air channel, in its excess-three row laser passing hole, often arrange laser passing hole and have 6, every 2 compositions one group are also arranged in three row, 2 laser passing hole in one group are interspersed, two groups of laser passing hole in second row on the left of nitrogen upper plate are communicated with all the other two the nitrogen passages being positioned at nitrogen upper plate right flank front end respectively by described nitrogen air channel, three groups of laser passing hole of one group of laser passing hole in second row on the right side of nitrogen upper plate and the 3rd row, three groups of laser passing hole of the 4th row are communicated with seven the nitrogen passages being positioned at nitrogen upper plate trailing flank respectively by described nitrogen air channel.The nitrogen air channel that laser passing hole with same group is connected is communicated with, and is finally all communicated to same nitrogen passage.Air channel is rationally distributed, guarantees that nitrogen flows through distance shorter, sooner, more successfully can arrive each welding position.
As preferably, the left side of described nitrogen upper plate, the middle part on right side are respectively provided with a mounting ear, and mounting ear is provided with two cylinder fixing holes, two mounting ears respectively with two cylinders; The forward edge of nitrogen upper plate and nitrogen lower plate, posterior edges are equipped with row's fixing hole, and other position of nitrogen upper plate and nitrogen lower plate is also distributed with multiple fixing hole dispersedly, and nitrogen upper plate is connected by being screwed into screw in fixing hole with nitrogen lower plate.Nitrogen upper plate and nitrogen lower plate are connected firmly and closely, guarantee that nitrogen only flows out laser passing hole from nitrogen air channel, can not flow out from other between the upper and lower plate of nitrogen is local.The setting of mounting ear, makes the connection of nitrogen upper plate and vertical cylinder convenient and firm.
As preferably, described base plate is provided with the power brick bus-bar Laser Welding multi-point welding clamping device described in two groups, two Battery pack bag bus-bar Laser Welding multi-point welding clamping device left and right arranged adjacent, vertical cylinder on two Battery pack bag bus-bar Laser Welding multi-point welding clamping devices is connected with high-pressure air pipe through respective independently by-pass valve control, and the duty of the vertical cylinder on two Battery pack bag bus-bar Laser Welding multi-point welding clamping devices is contrary.The upper and lower clamping plate of one Battery pack bag bus-bar Laser Welding multi-point welding clamping device are in clamped condition, when the welding of multiple spot Laser Welding is carried out to pond bag bus-bar, the upper and lower clamping plate of another Battery pack bag bus-bar Laser Welding multi-point welding clamping device are in released state, can place the power brick bus-bar needing welding.Because place copper bar in parallel and nickel sheet to need to spend the regular hour on lower plate, multiple spot laser weld is carried out to a power brick bus-bar, also need to spend the regular hour, so utilize the multiple spot Laser Welding weld interval of a power brick bus-bar, copper bar in parallel and nickel sheet can be placed on the lower plate of another Battery pack bag bus-bar Laser Welding multi-point welding clamping device.Like this, when completing the welding of the power brick bus-bar on the clamping device of the left side, power brick bus-bar on the clamping device of the right can be welded at once, at this moment the clamping device of on the left side can place power brick bus-bar to be welded again, circulation like this, two groups, left and right is staggered carries out, and greatly saves time, raises the efficiency.
The invention has the beneficial effects as follows: reliable clamping, it is convenient to control, after clamping power brick bus-bar, laser welding operation can be carried out to all welding positions on bus-bar, realize multi-point welding, and nitrogen can be passed to welding position simultaneously, effectively prevent solder joint oxidizing blackening, guarantee that welding is more firm, increase work efficiency.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of one of the embodiment of the present invention 1.
Fig. 2 is a kind of perspective view in the embodiment of the present invention 1 front.
Fig. 3 is a kind of perspective view at the embodiment of the present invention 1 back side.
Fig. 4 is a kind of stereo decomposing structural representation of the embodiment of the present invention 1.
Fig. 5 is a kind of perspective view in nitrogen upper plate front in the present invention.
Fig. 6 is a kind of perspective view of back on nitrogen in the present invention.
Fig. 7 is a kind of perspective view in nitrogen lower plate front in the present invention.
Fig. 8 is a kind of perspective view of the embodiment of the present invention 2.
1. base plates, 2. train wheel bridge, 3. pallet, 4. vertical cylinder in figure, 5. gripper shoe, 6. surrounding edge, 7. breach, 8. horizontal air cylinder, 9. baffle plate, 10. nitrogen upper plate, 11. nitrogen lower plates, 12. laser passing hole, 13. nitrogen air channels, 14. nitrogen passages, 15. gas rows, 16. gas-tpe fittings, 17. mounting ears, 18. cylinder fixing holes, 19. upper and lower plates fixing holes, 20. copper bar emptiness avoiding holes in parallel, 21. power brick bus-bars, 121. big holes, 122. small sircle holes.
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment 1: the power brick bus-bar Laser Welding multi-point welding clamping device of the present embodiment, as shown in Figure 1, Figure 3, comprise base plate 1, train wheel bridge 2 and lower plate, the left side of base plate 1 and right side are all provided with a vertical cylinder 4 and a gripper shoe 5, gripper shoe 5 is close to the inner side of vertical cylinder 4 and is connected with vertical cylinder, two vertical cylinders are also connected with high-pressure air pipe with gas-tpe fitting connection by pipeline, the left side of lower plate, right side are arranged in two gripper shoes 5 respectively, and the left side of train wheel bridge 2, right side are arranged on two vertical cylinders 4 respectively.As shown in Figure 2, lower plate is pallet 3, and the left side of pallet 3, right side and rear side are connected with surrounding edge 6 upwards, and the interposition of the leading edge of pallet 3 is equipped with a breach 7.Respectively there is a horizontal air cylinder 8 in left side below pallet 3, right side, horizontal air cylinder is connected with gripper shoe, the piston of horizontal air cylinder 8 is connected with a vertically disposed baffle plate 9 by linear bearing, inflatable chamber in horizontal air cylinder is connected with high-pressure air pipe by pipeline, baffle plate is also connected with a little guide rod, the other end of little guide rod is connected with the fixed block being positioned at tray back, and baffle plate 9 exceeds pallet 3, and two baffle plates 9 lay respectively at left side and the right side in pallet 3 front.As Fig. 4, Fig. 5, Fig. 6, shown in Fig. 7, train wheel bridge 2 is the Laser Welding train wheel bridge that can lead to nitrogen, train wheel bridge 2 comprises the nitrogen upper plate 10 and nitrogen lower plate 11 that are connected up and down, the forward edge of nitrogen upper plate 10 and nitrogen lower plate 11, posterior edges all has row's upper and lower plates fixing hole 19, other position of nitrogen upper plate 10 and nitrogen lower plate 11 be also distributed with multiple upper and lower plates fixing hole 19 dispersedly and these upper and lower plates fixing holes 19 near corresponding laser passing hole, upper and lower plates fixing hole on nitrogen upper plate is opened at the back side of nitrogen upper plate, upper and lower plates fixing hole on nitrogen upper plate is a threaded blind hole, upper and lower plates fixing hole in nitrogen lower plate is a through hole, nitrogen upper plate 10 is connected by being screwed into screw in upper and lower plates fixing hole 19 with nitrogen lower plate 11.Respectively there is a mounting ear protruded 17 in the left side of nitrogen upper plate 10, the middle part on right side, mounting ear 17 have two cylinder fixing holes, 18, two mounting ears 17 be connected with the piston of two vertical cylinders 4 respectively by being screwed into screw in cylinder fixing hole 18.Nitrogen upper plate 10, nitrogen lower plate 11 all have welding position laser passing hole 12 one to one that is multiple and power brick bus-bar 21, there is multiple nitrogen air channel 13 be communicated with the laser passing hole 12 on nitrogen upper plate 10 at the back side of nitrogen upper plate 10, there is multiple nitrogen passage 14 side of nitrogen upper plate 10, and nitrogen passage 14 is communicated with nitrogen air channel 13 respectively.As shown in Figure 5, Figure 6, laser passing hole 12 is scattered in four rows from front to back on nitrogen upper plate 10, and there are five nitrogen passages 14 front end of nitrogen upper plate 10 right flank, and the trailing flank of nitrogen upper plate 10 has seven nitrogen passages 14, first row i.e. the most last row's laser passing hole 12 has 9, every 3 compositions one group, 3 laser passing hole 12 in one group are scattered in isosceles three and separate shape, and three groups of laser passing hole 12 are arranged in three row and are communicated with three the nitrogen passages 14 being positioned at nitrogen upper plate 10 right flank front end respectively by corresponding nitrogen air channel 13, in its excess-three row laser passing hole 12, often arrange laser passing hole 12 and have 6, every 2 compositions one group are also arranged in three row, 2 laser passing hole 12 in one group are interspersed, two groups of laser passing hole 12 in second row on the left of nitrogen upper plate 10 are communicated with all the other two the nitrogen passages 14 being positioned at nitrogen upper plate 10 right flank front end respectively by corresponding nitrogen air channel 13, three groups of laser passing hole 12 of one group of laser passing hole 12 in second row on the right side of nitrogen upper plate 10 and the 3rd row, three groups of laser passing hole 12 of the 4th row are communicated with seven the nitrogen passages 14 being positioned at nitrogen upper plate 10 trailing flank respectively by corresponding nitrogen air channel 13.As shown in Figure 5, laser passing hole 12 on nitrogen upper plate 10 is stepped holes be formed by connecting by big hole 121 and small sircle hole 122, big hole 121 is opened on the front of nitrogen upper plate 10, and small sircle hole 122 is opened on the back side of nitrogen upper plate 10, and nitrogen air channel 13 is communicated in the sidewall of small sircle hole 122.Nitrogen upper plate 10, nitrogen lower plate 11 all have position copper bar emptiness avoiding hole 20 in parallel in correspondence with each other, copper bar emptiness avoiding hole 20 in parallel is in strip, and the copper bar emptiness avoiding hole in parallel on nitrogen upper plate is positioned at the left side of the 3rd row, the 4th row's laser passing hole.As shown in Figure 3, the rear side of base plate 1 and right front are respectively provided with a gas row 15, the position of gas row is corresponding with the setting position of the nitrogen passage on nitrogen upper plate, be through with in gas row 15 and be opened on the ventilation cavity that gas arranges 15 sides, the gas-tpe fitting 16 be arranged on the opening of ventilation cavity is connected with Nitrogen source gases by pipeline, the end face of gas row 15 has the gas-tpe fitting 16 of a row and ventilation cavity connects, nitrogen passage 14 is provided with gas-tpe fitting 16, gas-tpe fitting 16 on the gentle row 15 of gas-tpe fitting 16 on nitrogen passage 14 is connected by pipeline correspondingly.
The course of work: time initial, by controlling respective control valve, make the piston of vertical cylinder to rising, the piston of horizontal air cylinder is to protracting, now go up, lower plate is separated, baffle plate leaves pallet leading edge, be placed on pallet by needing the power brick bus-bar 21 carrying out Laser Welding, after placing, control control valve, the piston of horizontal air cylinder is retracted, baffle plate is near pallet leading edge, baffle plate gear is in the front side of power brick bus-bar, play good location, position-limiting action, guarantee that power brick can not move forward, the piston of vertical cylinder is made to retract again, train wheel bridge presses down, on, lower plate clamping power brick bus-bar, at this moment just Laser Welding multi-point welding can be carried out to power brick bus-bar, reliable clamping, it is convenient to control.While carrying out Laser Welding, by controlling control valve, Nitrogen source gases is made to arrange to nitrogen upper plate aeration through gas, nitrogen flows out laser passing hole downwards through nitrogen passage, nitrogen air channel, make nitrogen filling to the welding position of power brick bus-bar, isolation oxygen, effectively prevents solder joint oxidizing blackening, guarantees that welding is more firm.
Embodiment 2: the power brick bus-bar Laser Welding multi-point welding clamping device of the present embodiment, as shown in Figure 8, base plate 1 is provided with two groups of structure identical power brick bus-bar Laser Welding multi-point welding clamping devices, the structure of every Battery pack bag bus-bar Laser Welding multi-point welding clamping device is with embodiment 1, two Battery pack bag bus-bar Laser Welding multi-point welding clamping device left and right arranged adjacent, vertical cylinder 4 on two Battery pack bag bus-bar Laser Welding multi-point welding clamping devices is connected with high-pressure air pipe through respective independently by-pass valve control, namely high-pressure air pipe is connected with the vertical cylinder of the clamping device in left side through a by-pass valve control, high-pressure air pipe is connected with the vertical cylinder of the clamping device on right side through another by-pass valve control, and the duty of the vertical cylinder on two Battery pack bag bus-bar Laser Welding multi-point welding clamping devices is contrary, namely the vertical cylinder of the left side one Battery pack bag bus-bar Laser Welding multi-point welding clamping device rises, on, lower plate is in released state, can fetching battery bag bus-bar time, the vertical cylinder of the right one Battery pack bag bus-bar Laser Welding multi-point welding clamping device declines, on it, lower plate is in clamped condition, the welding of multiple spot Laser Welding can be carried out to the power brick bus-bar of clamping.The welding job of two Battery pack bag bus-bar Laser Welding multi-point welding clamping devices is staggered to be carried out.Because place copper bar in parallel and nickel sheet to need to spend the regular hour on lower plate, multiple spot laser weld is carried out to a power brick bus-bar, also need to spend the regular hour, so utilize the multiple spot Laser Welding weld interval of a power brick bus-bar, copper bar in parallel and nickel sheet can be placed on the lower plate of another Battery pack bag bus-bar Laser Welding multi-point welding clamping device.Like this, when completing the welding of the power brick bus-bar on the clamping device of the left side, power brick bus-bar on the clamping device of the right can be welded at once, at this moment the clamping device of on the left side can place power brick bus-bar to be welded again, circulation like this, two groups, left and right is staggered carries out, and greatly saves time, raises the efficiency.The course of work of every Battery pack bag bus-bar Laser Welding multi-point welding clamping device is with embodiment 1.
Claims (10)
1. a power brick bus-bar Laser Welding multi-point welding clamping device, it is characterized in that comprising base plate (1), train wheel bridge (2) and lower plate, the left side of described base plate (1) and right side are equipped with a vertical cylinder (4) and a gripper shoe (5), gripper shoe (5) is positioned at the inner side of vertical cylinder (4), the left side of described lower plate, right side is arranged on two gripper shoes (5) respectively, the left side of described train wheel bridge (2), right side is arranged on two vertical cylinders (4) respectively, described train wheel bridge (2) is the Laser Welding train wheel bridge that can lead to nitrogen.
2. power brick bus-bar Laser Welding multi-point welding clamping device according to claim 1, it is characterized in that described lower plate is a pallet (3), the left side of pallet (3), right side and rear side are provided with surrounding edge (6) upwards, and the leading edge of pallet (3) is provided with breach (7).
3. power brick bus-bar Laser Welding multi-point welding clamping device according to claim 2, it is characterized in that the left side of the below of described pallet (3), right side is respectively provided with a horizontal air cylinder (8), horizontal air cylinder (8) is connected with a vertically disposed baffle plate (9), described baffle plate (9) exceeds described pallet (3), and two baffle plates (9) lay respectively at left side and the right side in pallet (3) front.
4. the power brick bus-bar Laser Welding multi-point welding clamping device according to claim 1 or 2 or 3, it is characterized in that described train wheel bridge (2) comprises the nitrogen upper plate (10) and nitrogen lower plate (11) be connected up and down, nitrogen upper plate (10), nitrogen lower plate (11) is equipped with multiple and welding position laser passing hole (12) one to one that is power brick bus-bar, the back side of nitrogen upper plate (10) is provided with multiple nitrogen air channel (13) be communicated with the laser passing hole (12) on nitrogen upper plate (10), the side of nitrogen upper plate (10) is provided with multiple nitrogen passage (14), nitrogen passage (14) is communicated with nitrogen air channel (13) respectively.
5. power brick bus-bar Laser Welding multi-point welding clamping device according to claim 4, it is characterized in that described base plate (1) being provided with gas row (15) corresponding with described nitrogen passage (14) position, nitrogen passage (14) is provided with gas-tpe fitting (16), the ventilation cavity being opened on gas row (15) side is provided with in gas row (15), the gas-tpe fitting (16) be arranged on the opening of ventilation cavity is connected with Nitrogen source gases by pipeline, the end face of gas row (15) is provided with the gas-tpe fitting (16) of a row and described ventilation cavity connects, gas-tpe fitting (16) on gas-tpe fitting (16) gentle row (15) on nitrogen passage (14) is connected by pipeline correspondingly.
6. power brick bus-bar Laser Welding multi-point welding clamping device according to claim 4, it is characterized in that the laser passing hole (12) on described nitrogen upper plate (10) is a stepped hole be formed by connecting by big hole (121) and small sircle hole (122), big hole (121) is opened on the front of described nitrogen upper plate (10), small sircle hole (122) is opened on the back side of described nitrogen upper plate (10), and described nitrogen air channel (13) is communicated in the sidewall of described small sircle hole (122).
7. power brick bus-bar Laser Welding multi-point welding clamping device according to claim 4, it is characterized in that described nitrogen upper plate (10), nitrogen lower plate (11) being equipped with the corresponding copper bar emptiness avoiding hole (20) in parallel in a position, copper bar emptiness avoiding hole (20) in parallel is in strip and be positioned at the side of nitrogen upper plate (10), nitrogen lower plate (11).
8. power brick bus-bar Laser Welding multi-point welding clamping device according to claim 4, it is characterized in that described laser passing hole (12) is scattered in four rows from front to back on described nitrogen upper plate (10), the front end of nitrogen upper plate (10) right flank is provided with the nitrogen passage (14) described in five, and the trailing flank of nitrogen upper plate (10) is provided with the nitrogen passage (14) described in seven, first row i.e. the most last row's laser passing hole (12) has 9, every 3 compositions one group, 3 laser passing hole (12) in one group are scattered in isosceles three and separate shape, and three groups of laser passing hole (12) are arranged in three row and are communicated with three the nitrogen passages (14) being positioned at nitrogen upper plate (10) right flank front end respectively by described nitrogen air channel (13), in its excess-three row's laser passing hole (12), often arrange laser passing hole (12) and have 6, every 2 compositions one group are also arranged in three row, 2 laser passing hole (12) in one group are interspersed, be communicated with all the other two the nitrogen passages (14) being positioned at nitrogen upper plate (10) right flank front end respectively by described nitrogen air channel (13) near two groups of laser passing hole (12) in nitrogen upper plate (10) left side in second row, near one group of laser passing hole (12) on nitrogen upper plate (10) right side and the 3rd three groups of laser passing hole (12) of arranging in second row, three groups of laser passing hole (12) of the 4th row are communicated with seven the nitrogen passages (14) being positioned at nitrogen upper plate (10) trailing flank respectively by described nitrogen air channel (13).
9. power brick bus-bar Laser Welding multi-point welding clamping device according to claim 4, it is characterized in that the described left side of nitrogen upper plate (10), the middle part on right side is respectively provided with a mounting ear (17), mounting ear (17) is provided with two cylinder fixing holes (18), and two mounting ears (17) respectively with two vertical cylinders (4) are connected; The forward edge of nitrogen upper plate (10) and nitrogen lower plate (11), posterior edges are equipped with row's upper and lower plates fixing hole (19), other position of nitrogen upper plate (10) and nitrogen lower plate (11) is also distributed with multiple upper and lower plates fixing hole (19) dispersedly, and nitrogen upper plate (10) is connected by being screwed into screw in upper and lower plates fixing hole (19) with nitrogen lower plate (11).
10. the power brick bus-bar Laser Welding multi-point welding clamping device according to claim 1 or 2 or 3, it is characterized in that described base plate (1) is provided with the power brick bus-bar Laser Welding multi-point welding clamping device described in two groups, two Battery pack bag bus-bar Laser Welding multi-point welding clamping device left and right arranged adjacent, vertical cylinder (4) on two Battery pack bag bus-bar Laser Welding multi-point welding clamping devices is connected with high-pressure air pipe through respective independently by-pass valve control, the duty of the vertical cylinder (4) on two Battery pack bag bus-bar Laser Welding multi-point welding clamping devices is contrary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN106624361A (en) * | 2016-12-28 | 2017-05-10 | 远东福斯特新能源有限公司 | Laser welding tool for new energy resource power battery connecting piece |
| CN107116301A (en) * | 2017-06-15 | 2017-09-01 | 广东正业科技股份有限公司 | A kind of laser welding system |
| CN108817711A (en) * | 2018-07-25 | 2018-11-16 | 深圳市德星云科技有限公司 | A kind of hinged compressing fixture structure of lithium battery module busbar connector welding |
| CN110315262A (en) * | 2019-07-04 | 2019-10-11 | 宁波利维能储能系统有限公司 | A kind of rectangular cell module busbar connector clamping tool |
| CN110434612A (en) * | 2018-05-02 | 2019-11-12 | 安徽腾南纯净设备科技有限公司 | A kind of new energy resource power battery mould group automatic welding assembly system |
| CN113329840A (en) * | 2019-03-12 | 2021-08-31 | Nok株式会社 | Welding jig device and method for manufacturing component |
| CN113348048A (en) * | 2019-03-12 | 2021-09-03 | Nok株式会社 | Welding jig device and method for manufacturing component |
| CN113909692A (en) * | 2021-09-28 | 2022-01-11 | 武汉逸飞激光股份有限公司 | Laser welding method and device based on alternating welding and pressing |
| CN114535804A (en) * | 2022-04-26 | 2022-05-27 | 江苏海贝新能源科技有限公司 | Intelligent welding equipment and method for lithium battery parallel welding |
| EP4354571A1 (en) * | 2022-09-15 | 2024-04-17 | ATS Industrial Automation Inc. | Battery module manufacturing clamping assembly and method of clamping a battery pallet for welding |
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| CN107116301A (en) * | 2017-06-15 | 2017-09-01 | 广东正业科技股份有限公司 | A kind of laser welding system |
| CN110434612A (en) * | 2018-05-02 | 2019-11-12 | 安徽腾南纯净设备科技有限公司 | A kind of new energy resource power battery mould group automatic welding assembly system |
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| CN113329840A (en) * | 2019-03-12 | 2021-08-31 | Nok株式会社 | Welding jig device and method for manufacturing component |
| CN113348048A (en) * | 2019-03-12 | 2021-09-03 | Nok株式会社 | Welding jig device and method for manufacturing component |
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| CN110315262A (en) * | 2019-07-04 | 2019-10-11 | 宁波利维能储能系统有限公司 | A kind of rectangular cell module busbar connector clamping tool |
| CN113909692A (en) * | 2021-09-28 | 2022-01-11 | 武汉逸飞激光股份有限公司 | Laser welding method and device based on alternating welding and pressing |
| CN114535804A (en) * | 2022-04-26 | 2022-05-27 | 江苏海贝新能源科技有限公司 | Intelligent welding equipment and method for lithium battery parallel welding |
| EP4354571A1 (en) * | 2022-09-15 | 2024-04-17 | ATS Industrial Automation Inc. | Battery module manufacturing clamping assembly and method of clamping a battery pallet for welding |
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