CN110605469B - Automatic spot welding machine for battery cell - Google Patents
Automatic spot welding machine for battery cell Download PDFInfo
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- CN110605469B CN110605469B CN201910685312.3A CN201910685312A CN110605469B CN 110605469 B CN110605469 B CN 110605469B CN 201910685312 A CN201910685312 A CN 201910685312A CN 110605469 B CN110605469 B CN 110605469B
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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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/10—Spot welding; Stitch welding
- B23K11/11—Spot welding
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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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/30—Features relating to electrodes
- B23K11/31—Electrode holders and actuating devices therefor
- B23K11/314—Spot welding guns, e.g. mounted on robots
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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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/36—Auxiliary equipment
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Abstract
The invention relates to the field of mobile power supply production and processing equipment, in particular to an automatic spot welding machine for a battery cell, which has the technical scheme that: the device comprises a machine table, a battery cell jig for horizontally arranging and placing a plurality of battery cells, a placing plate for placing the battery cell jig, a fixing device for pressing and fixing the battery cell jig on the placing plate, two electric welding heads positioned at two sides of the battery cell jig and two pushing devices for respectively horizontally pushing the two electric welding heads to weld two ends of the battery cells in the battery cell jig; the machine table is provided with a horizontal driving device for driving the placing plate to move between the feeding and discharging station and the welding station; two vertical driving devices for respectively driving the two pushing devices to vertically move are vertically arranged on the machine table positioned on the two sides of the horizontal driving device; and the machine table is provided with a discharging device for opening the battery cell jig for discharging. The automatic spot welding machine for the battery cell has the advantages of improving the production efficiency and reducing the labor cost.
Description
Technical Field
The invention relates to the field of mobile power supply production and processing equipment, in particular to an automatic spot welding machine for a battery core.
Background
In the production and processing process of the mobile power supply, the single battery cores are required to be combined into the battery pack, and the important step is to realize the parallel capacity increase of the battery by spot welding metal sheets on positive and negative electrodes of the multiple battery cores. At present, the electric core is generally processed by spot welding one by one manually, and metal sheets are respectively spot-welded on the two poles of the electric core.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the automatic spot welding machine for the battery cell, which has the advantages of improving the production efficiency and reducing the labor cost.
The technical purpose of the invention is realized by the following technical scheme: an automatic spot welding machine for a battery core comprises a machine table, a battery core jig for horizontally arranging and placing a plurality of battery cores, a placing plate for placing the battery core jig, a fixing device for pressing and fixing the battery core jig on the placing plate, two electric welding heads positioned on two sides of the battery core jig, and two pushing devices for respectively horizontally pushing the two electric welding heads to weld two ends of the battery core in the battery core jig;
the machine table is provided with a horizontal driving device for driving the placing plate to move between the feeding and discharging station and the welding station; two vertical driving devices for respectively driving the two pushing devices to vertically move are vertically arranged on the machine table positioned on the two sides of the horizontal driving device; the machine table is provided with a discharging device for opening and discharging the battery cell jig;
the fixing device, the pushing device, the horizontal driving device, the vertical driving device and the discharging device are matched through a PLC control system.
Through adopting the above technical scheme, place the electric core tool that is equipped with electric core on placing the board, fix electric core tool on placing the board through fixing device, then rethread horizontal drive arrangement removes electric core tool from last unloading station to the welding station, then rethread thrust unit and cooperation vertical mobile device drive electric welding head weld a plurality of electric cores in the electric core tool, electric core welds good back, rethread horizontal drive arrangement drive is placed the board and is removed last unloading station to, then unloading is being unloaded to the electric core in the electric core tool through discharge apparatus, thereby production efficiency is improved, labor cost is reduced.
The invention is further configured to: the electric core tool comprises a cuboid placing box and two side plates arranged on two side walls, wherein the two side plates are mutually deviated from the placing box, multiple rows of electric core holes are formed in the placing box, two spot welding holes which are communicated with the electric core holes are formed in the side plates, the spot welding holes are used for welding metal sheets, a first magnet used for attracting the fixed metal sheets is embedded in the hole wall of each spot welding hole, the placing box is arranged in a split mode through two symmetrical middle positions of the two side plates, and the side walls of the split placing box are provided with second magnets which are mutually attracted.
Through adopting above-mentioned technical scheme, through the box of placing that the components of a whole that can function independently set up, conveniently place electric core in electric core hole, then it is fixed with the mutual actuation of the box of placing of components of a whole that can function independently setting through second magnet, then place the sheetmetal on the spot welding hole with the tip contact of two adjacent electric cores to through setting up the first magnet on the spot welding hole pore wall, thereby make the stable being located of sheetmetal in the spot welding hole.
The invention is further configured to: fixing device includes first riser, first mounting panel, clamp plate and push down the cylinder, the vertical fixed setting of first riser is placing board upper surface one end, the fixed setting of first mounting panel level is in first riser upper end, the vertical fixed mounting of push down the cylinder is at first mounting panel lower surface, the clamp plate level sets up and is placing between board and the first mounting panel, push down the telescopic shaft end fixing of cylinder at the clamp plate upper surface.
Through adopting above-mentioned technical scheme, electric core tool places on placing the board after, pushes down the cylinder drive clamp plate and pushes down the upper surface of contradicting at electric core tool through to make stable being located of electric core tool place the board, avoid electric core to manage to remove and influence the welding.
The invention is further configured to: the horizontal driving device comprises a first lead screw, a first motor and a first moving block, wherein a strip block is horizontally and fixedly arranged on the machine table below the placing plate, a first mounting groove is formed in the upper surface of the strip block along the length direction, the first lead screw is rotatably connected in the first mounting groove, the first motor is mounted at one end of the strip block, a rotating shaft of the first motor is connected with one end of the first lead screw, the first moving block is fixedly arranged on the lower surface of the placing plate, and the first moving block is in threaded connection with the first lead screw.
Through adopting above-mentioned technical scheme, rotate through first lead screw of first motor drive to the stable drive of first movable block is placed the board and is removed on unloading station and welding station.
The invention is further configured to: the notch department of first mounting groove is fixed with first apron along length direction, all leave the first rectangular mouth that supplies first movable block to remove between first apron both sides and the rectangular piece, set up the first hole of stepping down that supplies first apron to pass on the first movable block.
Through adopting above-mentioned technical scheme, through setting up the first apron in first mounting groove notch department to reduce rubbish and carry out the first mounting groove in, avoid influencing the rotation of first lead screw, and set up the first hole of stepping down that passes on the first apron on the first movable block, thereby improve the stability that first movable block removed.
The invention is further configured to: the pushing device comprises a pushing cylinder and a welding head mounting block, the electric welding head is mounted on the welding head mounting block, and the welding head mounting block is fixedly mounted on a telescopic shaft of the pushing cylinder.
By adopting the technical scheme, the welding head mounting block is pushed to move by the pushing cylinder, so that the electric welding head is pushed to enter the spot welding hole to weld the metal sheet on the end part of the electric core.
The invention is further configured to: the vertical driving device comprises a second lead screw, a second motor and a second moving block, a vertical block is vertically arranged on one side, close to the horizontal driving device, of the machine table, a second mounting groove is vertically formed in the side wall of the vertical block, the second lead screw is vertically and rotatably connected in the second mounting groove, the second motor is mounted at the upper end of the vertical block, a rotating shaft of the second motor is connected with the upper end of the second lead screw, one side of the second moving block is fixedly connected with a cylinder body of the pushing cylinder, and the other side of the second moving block is in threaded connection with the second lead screw.
Through adopting above-mentioned technical scheme, because the electric core hole in the electric core tool sets up the multirow, rotate through second motor drive second lead screw, and then drive second movable block reciprocates to drive the promotion cylinder and remove, and then drive electric bonding tool reciprocates and welds the electric core in the multirow electric core hole.
The invention is further configured to: the notch of the second mounting groove is covered with a second cover plate, second strip openings for the second moving block to move are reserved between two sides of the second cover plate and the vertical block, and a second yielding hole for the second cover plate to penetrate is formed in the second moving block.
Through adopting above-mentioned technical scheme, through setting up the second apron in second mounting groove notch department to reduce rubbish and go on in the second mounting groove, thereby avoid influencing the rotation of second lead screw, and set up the second hole of stepping down that passes on the second apron on the second movable block, thereby improve the stability that the second movable block removed.
The invention is further configured to: the discharging device comprises a material receiving box and two clamping components which are arranged on the machine table of the electrical core jig at two sides of the feeding and discharging station and used for clamping and opening the electrical core jig, and the material receiving box is arranged on the machine table close to the feeding and discharging station;
the centre gripping subassembly includes second riser, second mounting panel, holding board, splint, first cylinder and second cylinder, the vertical setting of second riser is at the bench upper surface, first cylinder horizontal installation is at second riser lateral wall, the vertical fixed setting of second mounting panel is on the telescopic shaft of first cylinder, the holding board sets up two, two the holding board sets up the both ends at the second mounting panel perpendicularly respectively along the horizontal direction, splint parallel arrangement is between two holding boards, second cylinder horizontal fixation sets up at one of them holding board lateral wall, and the output shaft fixed connection of second cylinder is at the splint lateral wall, splint and relative holding board clamp the box one side of placing that fixed components of a whole that can function independently set up.
Through adopting above-mentioned technical scheme, after electric core welding in the electric core tool is good, place the board through the drive of horizontal drive arrangement and be located unloading station department on, first cylinder drive second mounting panel through being located two centre gripping subassemblies of electric core tool both sides removes to electric core tool direction, thereby make electric core tool be located between holding board and the splint, then rethread second cylinder drive splint cooperation holding board centre gripping is placing box one side, then the in-process of the telescopic shaft return stroke of rethread first cylinder will be placed the box and is opened, thereby conveniently take out electric core and place in the collecting box.
The invention is further configured to: be provided with on the second mounting panel and will place the ejecting subassembly of box interior electric core, ejecting subassembly includes third cylinder, push pedal, a plurality of ejector pin and is the third mounting panel of channel-section steel shape, the fixed lateral wall that keeps away from the holding plate at the second mounting panel that sets up of third mounting panel is a plurality of the ejector pin is fixed at the push pedal lateral wall, the push pedal is located between third mounting panel and the second mounting panel, the third cylinder is installed on the third mounting panel, and the telescopic shaft of third cylinder fixes on the lateral wall that the ejector pin was kept away from to the push pedal, the third mounting panel lateral wall is seted up with the curb plate on a plurality of spot welding holes corresponding third hole of stepping down, the third hole of stepping down supplies the ejector pin to stretch out.
Through adopting above-mentioned technical scheme, will place the box through the centre gripping subassembly and open, then the third cylinder in the rethread ejecting subassembly promotes the push pedal to stretch out to the electric core that will be located the electric core hole in the spot welding hole from the third hole of stepping down of a plurality of ejector pins on the messenger push pedal, then put into the receipts magazine again, thereby further improved the efficiency that electric core was unloaded.
In conclusion, the invention has the following beneficial effects:
firstly, an electric core jig provided with an electric core is placed on a placing plate, the electric core jig is fixed on the placing plate through a fixing device, then the electric core jig is moved from a feeding and discharging station to a welding station through a horizontal driving device, then an electric welding head is driven to weld a plurality of electric cores in the electric core jig through a pushing device and a matched vertical moving device, after the electric cores are welded, the placing plate is driven to move to the feeding and discharging station through the horizontal driving device, and then the electric cores in the electric core jig are unloaded through an unloading device, so that the production efficiency is improved, and the labor cost is reduced;
after the electric core jig is placed on the placing plate, the lower pushing cylinder drives the pressing plate to press and abut against the upper surface of the electric core jig, so that the electric core jig is stably positioned on the placing plate, and welding is prevented from being influenced by movement of the electric core jig;
third, will place the box through the centre gripping subassembly and open, then the third cylinder in the ejecting subassembly of rethread promotes the push pedal to stretch out to the electric core that will be located the electric core hole in the spot welding hole from the third hole of stepping down of a plurality of ejector pins on the messenger push pedal, then put into in the receipts magazine, thereby further improved the efficiency that electric core was unloaded.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
fig. 2 is a schematic view of an installation structure of the fixing device, the horizontal driving device and the vertical driving device of the placing plate on the machine platform in the embodiment;
fig. 3 is a schematic structural diagram of an open state of the cell fixture in this embodiment;
fig. 4 is a schematic view of an exploded structure of the first cover plate and the strip in the present embodiment;
FIG. 5 is an exploded view of the second cover plate and the vertical block in the present embodiment;
fig. 6 is a schematic view of the installation structure of the clamping assembly and the ejection assembly in the discharging device in the embodiment.
In the figure: 1. a machine platform; 2. a battery cell jig; 3. placing the plate; 4. an electric welding head; 5. a first vertical plate; 6. a first mounting plate; 7. pressing a plate; 8. pushing down the cylinder; 9. fixing grooves; 10. a rubber pad; 11. placing the box; 12. a side plate; 13. an electrical core hole; 14. spot welding holes; 15. a first magnet; 16. a second magnet; 17. a first lead screw; 18. a first motor; 19. a first moving block; 20. a long bar block; 21. a first mounting groove; 22. a first cover plate; 23. a first elongated opening; 24. a first abdicating hole; 25. a push cylinder; 26. a welding head mounting block; 27. a second lead screw; 28. a second motor; 29. a second moving block; 30. a vertical block; 31. a second mounting groove; 32. a second cover plate; 33. a second elongated opening; 34. a second abdicating hole; 35. a material receiving box; 36. a second vertical plate; 37. a second mounting plate; 38. a housing plate; 39. a splint; 40. a first cylinder; 41. a second cylinder; 42. a third cylinder; 43. pushing the plate; 44. a top rod; 45. a third mounting plate; 46. a third abdicating hole; 47. a guide bar; 48. and (4) a guide hole.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
An automatic spot welding machine for a battery core is shown in fig. 1 and fig. 2, and comprises a machine table 1, a battery core jig 2 for horizontally arranging and placing a plurality of battery cores, a placing plate 3 for placing the battery core jig 2, a fixing device for pressing and fixing the battery core jig 2 on the placing plate 3, two electric welding heads 4 positioned at two sides of the battery core jig 2, and two pushing devices for respectively horizontally pushing the two electric welding heads 4 to weld two ends of a battery core in the battery core jig 2; the machine table 1 is provided with a horizontal driving device for driving the placing plate 3 to horizontally move between the feeding and discharging station and the welding station; two vertical driving devices for respectively driving the two pushing devices to vertically move are vertically arranged on the machine table 1 positioned on the two sides of the horizontal driving device; the machine table 1 is provided with a discharging device for opening and discharging the battery cell jig 2; the fixing device, the pushing device, the horizontal driving device, the vertical driving device and the discharging device are coordinated and matched with each other through the programming of a PLC control system. Place electric core tool 2 that will be equipped with electric core on placing board 3, fix electric core tool 2 on placing board 3 through fixing device, then rethread horizontal drive arrangement with electric core tool 2 from last unloading station removal welding station, rethread thrust unit and cooperation vertical mobile device drive electric bonding tool 4 welds a plurality of electric cores in electric core tool 2 afterwards, electric core welds good back, rethread horizontal drive arrangement drive is placed board 3 and is removed to last unloading station, then unload through the electric core of discharge apparatus in to electric core tool 2, thereby production efficiency is improved, labor cost is reduced.
Specifically, as shown in fig. 2, the fixing device includes a first vertical plate 5, a first mounting plate 6, a pressing plate 7 and a push-down cylinder 8, the first vertical plate 5 is vertically and fixedly arranged at one end of the upper surface of the placing plate 3, the first mounting plate 6 is horizontally and fixedly arranged at the upper end of the first vertical plate 5, the push-down cylinder 8 is vertically and fixedly arranged at the lower surface of the first mounting plate 6, the pressing plate 7 is horizontally arranged between the placing plate 3 and the first mounting plate 6, and the end portion of the telescopic shaft of the push-down cylinder 8 is fixed at the upper surface of the pressing plate 7. After electric core tool 2 is placed on placing board 3, push down cylinder 8 through driving that clamp plate 7 pushes down and contradicts at electric core tool 2's upper surface to make stable being located of electric core tool 2 place board 3, avoid electric core tool 2 to remove the welding of influence. Further, fixed slot 9 has been seted up to clamp plate 7 lower surface, and fixed slot 9 is arranged in to electric core tool 2 upside to improve electric core tool 2's stability, and be provided with rubber pad 10 in the fixed slot 9, thereby avoid the pressure loss to electric core tool 2.
Specifically, as shown in fig. 3, the electric core jig 2 includes a rectangular parallelepiped placing box 11 and two side plates 12 disposed on two side walls of the placing box 11, which are away from each other, and the side plates 12 are fixed on the placing box 11 by screws. Place and be provided with multirow electric core hole 13 in the box 11, be provided with a plurality of and the communicating spot welding hole 14 in electric core hole 13 on two curb plates 12, spot welding hole 14 supplies the sheetmetal of welding usefulness to place, is linked together between two adjacent electric core holes 13 to make things convenient for the sheetmetal to follow electric core and take out, and electric core hole 13 in this embodiment sets up three rows, and places box 11 and curb plate 12 and all adopt the bakelite material to make. Furthermore, the upper and lower hole walls of the spot welding hole 14 are respectively embedded with a first magnet 15 for attracting and fixing the metal sheet, the placing box 11 is arranged in a split manner at the symmetrical middle position of the two side plates 12, and the side walls of the split position of the placing box 11 are respectively embedded with a second magnet 16 for attracting and fixing each other in the circumferential direction. Through the box 11 of placing that the components of a whole that can function independently set up, conveniently place electric core in electric core hole 13, then it is fixed to place the mutual actuation of box 11 of placing of components of a whole that can function independently setting through second magnet 16, then place the sheetmetal on spot welding hole 14 with the tip contact of two adjacent electric cores to through setting up first magnet 15 on spot welding hole 14 pore walls, thereby make the stable being located spot welding hole 14 of sheetmetal.
Specifically, as shown in fig. 2 and 4, the horizontal driving device includes a first lead screw 17, a first motor 18 and a first moving block 19, a strip block 20 is horizontally and fixedly disposed on the machine platform 1 below the placing plate 3, a first mounting groove 21 is formed in the upper surface of the strip block 20 along the length direction, the first lead screw 17 is rotatably connected in the first mounting groove 21, the first motor 18 is mounted at one end of the strip block 20, a rotating shaft of the first motor 18 is connected with one end of the first lead screw 17, the first moving block 19 is fixedly disposed on the lower surface of the placing plate 3, and the first moving block 19 is in threaded connection with the first lead screw 17. The first screw rod 17 is driven to rotate by the first motor 18, so that the first moving block 19 is driven to stably drive the placing plate 3 to move on the feeding and discharging station and the welding station.
Further, as shown in fig. 4, a first cover plate 22 is fixed at a notch of the first mounting groove 21 along the length direction, the first cover plate 22 is fixed on the long strip block 20 through screws, a first long strip opening 23 for the first moving block 19 to move is reserved between two sides of the first cover plate 22 and the long strip block 20, and a first abdicating hole 24 for the first cover plate 22 to pass through is formed in the first moving block 19. Through the first apron 22 that sets up in first mounting groove 21 notch department to reduce rubbish and carry out in first mounting groove 21, avoid influencing the rotation of first lead screw 17, and set up the first hole of stepping down 24 that passes on the first apron 22 on the first movable block 19, thereby improve the stability that first movable block 19 removed.
Specifically, as shown in fig. 2, the pushing device includes a pushing cylinder 25 and a welding head mounting block 26, the electric welding head 4 is mounted on the welding head mounting block 26, and the welding head mounting block 26 is fixedly mounted on the telescopic shaft of the pushing cylinder 25. The welding head mounting block 26 is pushed to move by the pushing cylinder 25, so that the electric welding head 4 is pushed into the spot welding hole 14 to weld the metal sheet on the end part of the battery core.
Specifically, as shown in fig. 2 and 5, the vertical driving device includes a second lead screw 27, a second motor 28 and a second moving block 29, a vertical block 30 is vertically disposed on the machine table 1 near the horizontal driving device, a second mounting groove 31 is vertically formed in a side wall of the vertical block 30, the second lead screw 27 is vertically rotatably connected in the second mounting groove 31, the second motor 28 is mounted at the upper end of the vertical block 30, a rotating shaft of the second motor 28 is connected with the upper end of the second lead screw 27, one side of the second moving block 29 is fixedly connected with the cylinder body of the pushing cylinder 25, and the other side of the second moving block 29 is in threaded connection with the second lead screw 27. Because the cell holes 13 in the cell jig 2 are provided with a plurality of rows, the second motor 28 drives the second lead screw 27 to rotate, and then drives the second moving block 29 to move up and down, so as to drive the pushing cylinder 25 to move, and further drive the electric welding head 4 to move up and down to weld the cells in the plurality of rows of cell holes 13.
Further, as shown in fig. 5, a second cover plate 32 covers a notch of the second mounting groove 31, the second cover plate 32 is fixed on the vertical block 30 through screws, a second long opening 33 for the second moving block 29 to move is reserved between two sides of the second cover plate 32 and the vertical block 30, and a second abdicating hole 34 for the second cover plate 32 to pass through is formed in the second moving block 29. Through the second apron 32 that sets up at second mounting groove 31 notch department to reduce rubbish and go on in the second mounting groove 31, thereby avoid influencing the rotation of second lead screw 27, and set up the second hole 34 of stepping down that passes on the second apron 32 on the second movable block 29, thereby improve the stability that second movable block 29 removed.
Specifically, as shown in fig. 1 and fig. 6, the discharging device includes a material receiving box 35 and two clamping assemblies, which are arranged on the machine table 1 on two sides of the charging and discharging station of the battery cell jig 2 and are used for clamping and opening the battery cell jig 2, the material receiving box 35 is arranged on the machine table 1 close to the charging and discharging station, and is specifically arranged on the machine table 1 at one end of the long block 20; the clamping assembly comprises a second vertical plate 36, a second mounting plate 37, accommodating plates 38, a clamping plate 39, first air cylinders 40 and second air cylinders 41, the second vertical plate 36 is vertically arranged on the upper surface of the machine table 1, the first air cylinders 40 are horizontally arranged on the side walls of the second vertical plate 36, the accommodating plates 38 are arranged in two numbers, the two accommodating plates 38 are respectively and vertically arranged at two ends of the second mounting plate 37 along the horizontal direction, the clamping plate 39 is parallelly arranged between the two accommodating plates 38, the second air cylinders 41 are horizontally and fixedly arranged on the side walls of one of the accommodating plates 38, output shafts of the second air cylinders 41 are fixedly connected to the side walls of the clamping plate 39, and the clamping plate 39 and the corresponding accommodating plates 38 are fixedly arranged on one side of the placing box 11 in a split mode. After electric core welding in electric core tool 2, place board 3 and be located unloading station department on going up through the drive of horizontal drive arrangement, first cylinder 40 drive second mounting panel 37 in two centre gripping subassemblies that are located electric core tool 2 both sides removes to electric core tool 2 direction, thereby make electric core tool 2 be located between holding plate 38 and splint 39, then rethread second cylinder 41 drive splint 39 cooperation holding plate 38 centre gripping is placing box 11 one side, then the in-process of rethread first cylinder 40's telescopic shaft return stroke will be placed box 11 and opened, thereby conveniently take out electric core from electric core tool 2 and place in receiving box 35.
Further, as shown in fig. 6, the second mounting plate 37 is provided with an ejection assembly for ejecting the battery cells in the storage box 11. The ejection assembly comprises a third air cylinder 42, a push plate 43, a plurality of ejector rods 44 and a channel steel-shaped third mounting plate 45, the third mounting plate 45 is fixedly arranged on the side wall of the second mounting plate 37 far away from the containing plate 38, and the side wall of the third mounting plate 45 far away from the second mounting plate 37 is fixed with the telescopic shaft of the first air cylinder 40. A plurality of ejector pins 44 are fixed on the side wall of the push plate 43, the push plate 43 is positioned between the third mounting plate 45 and the second mounting plate 37, the third air cylinder 42 is mounted on the third mounting plate 45, the telescopic shaft of the third air cylinder 42 is fixed on the side wall of the push plate 43 far away from the ejector pins 44, and the telescopic shaft of the first air cylinder 40 is fixed on the side wall of the third mounting plate 45 in a staggered mode. The side wall of the third mounting plate 45 is provided with third abdicating holes 46 corresponding to the plurality of spot welding holes 14 on the side plate 12, and the third abdicating holes 46 are used for the mandril 44 to extend out. The placing box 11 is opened through the clamping assembly, then the pushing plate 43 is pushed through the third air cylinder 42 in the ejection assembly, so that the plurality of ejector rods 44 on the pushing plate 43 extend out of the third abdicating hole 46 to push out the electric core in the electric core hole 13 in the spot welding hole 14, and then the electric core is placed in the material receiving box 35, and therefore the electric core discharging efficiency is further improved. A guide rod 47 is arranged between the second mounting plate 37 and the third mounting plate 45, a guide hole 48 is formed in the push plate 43, the guide rod 47 is movably inserted into the guide hole 48, and the guide hole 48 in the push plate 43 moves along the guide rod 47, so that the moving stability of the push plate 43 is improved.
The implementation principle of the embodiment is as follows: place electric core tool 2 that will be equipped with electric core on placing board 3, fix electric core tool 2 on placing board 3 through fixing device, then remove electric core tool 2 from last unloading station to the welding station through horizontal drive arrangement of rethread, rethread thrust unit and cooperation vertical mobile device drive electric bonding tool 4 welds the multirow electric core in electric core tool 2 afterwards, electric core welds good back, place board 3 and remove to last unloading station through horizontal drive arrangement drive of rethread, then open electric core tool 2 through centre gripping subassembly, then electric core in electric core tool 2 is ejecting to the ejecting subassembly of rethread, then manual collection is in collecting box 35 again, thereby production efficiency has been improved, the cost of labor has been reduced.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (7)
1. The utility model provides a battery core automatic spot welding machine which characterized in that: the device comprises a machine table (1), a battery cell jig (2) for horizontally arranging and placing a plurality of battery cells, a placing plate (3) for placing the battery cell jig (2), a fixing device for pressing and fixing the battery cell jig (2) on the placing plate (3), two electric welding heads (4) positioned at two sides of the battery cell jig (2) and two pushing devices for respectively horizontally pushing the two electric welding heads (4) to weld two ends of the battery cells in the battery cell jig (2);
the machine table (1) is provided with a horizontal driving device for driving the placing plate (3) to move between the feeding and discharging station and the welding station; two vertical driving devices for respectively driving the two pushing devices to vertically move are vertically arranged on the machine table (1) positioned on two sides of the horizontal driving device; the machine table (1) is provided with a discharging device for opening the battery cell jig (2) to discharge materials;
the fixing device, the pushing device, the horizontal driving device, the vertical driving device and the discharging device are matched through a PLC control system;
the battery cell jig (2) comprises a cuboid placing box (11) and two side plates (12) which are respectively arranged on two side walls of the placing box (11) and deviate from each other, wherein multiple rows of battery cell holes (13) are formed in the placing box (11), a plurality of spot welding holes (14) communicated with the battery cell holes (13) are formed in the two side plates (12), the spot welding holes (14) are used for placing metal sheets for welding, first magnets (15) used for attracting and fixing the metal sheets are embedded in the hole walls of the spot welding holes (14), the placing box (11) is arranged in a split mode at the middle positions of the two side plates (12) in a symmetrical mode, and second magnets (16) attracted with each other are arranged on the side walls of the split positions of the placing box (11);
the discharging device comprises a material receiving box (35) and two clamping components which are arranged on the machine table (1) of the battery cell jig (2) on two sides of the feeding and discharging station and used for clamping and opening the battery cell jig (2), and the material receiving box (35) is arranged on the machine table (1) close to the feeding and discharging station;
the clamping component comprises a second vertical plate (36), a second mounting plate (37), an accommodating plate (38), a clamping plate (39), a first air cylinder (40) and a second air cylinder (41), the second vertical plate (36) is vertically arranged on the upper surface of the machine table (1), the first air cylinder (40) is horizontally arranged on the side wall of the second vertical plate (36), the two containing plates (38) are arranged, the two containing plates (38) are respectively and vertically arranged at two ends of the second mounting plate (37) along the horizontal direction, the clamping plate (39) is arranged between the two containing plates (38) in parallel, the second air cylinder (41) is horizontally and fixedly arranged on the side wall of one containing plate (38), and the output shaft of the second cylinder (41) is fixedly connected with the side wall of the clamping plate (39), the clamping plate (39) and the opposite containing plate (38) clamp and fix one side of the separately arranged placing box (11);
be provided with on second mounting panel (37) and will place the ejecting subassembly of box (11) interior electric core, ejecting subassembly includes third cylinder (42), push pedal (43), a plurality of ejector pin (44) and is channel-section steel shape third mounting panel (45), the fixed lateral wall that holds board (38) is kept away from in second mounting panel (37) that sets up of third mounting panel (45), third mounting panel (45) are fixed with the telescopic shaft of first cylinder (40), and is a plurality of ejector pin (44) are fixed at push pedal (43) lateral wall, push pedal (43) are located between third mounting panel (45) and second mounting panel (37), third cylinder (42) are installed on third mounting panel (45), and the telescopic shaft of third cylinder (42) is fixed on push pedal (43) keep away from the lateral wall of ejector pin (44), second mounting panel (37) lateral wall offer with curb plate (12) on a plurality of spot welding hole (14) corresponding third hole (46) of stepping down, the third abdicating hole (46) is used for the ejector rod (44) to extend out.
2. The automatic spot welding machine for battery cells of claim 1, wherein: fixing device includes first riser (5), first mounting panel (6), clamp plate (7) and push down cylinder (8), the vertical fixed setting of first riser (5) is placing board (3) upper surface one end, first mounting panel (6) horizontal fixation sets up in first riser (5) upper end, push down the vertical fixed mounting of cylinder (8) at first mounting panel (6) lower surface, clamp plate (7) level sets up and is placing between board (3) and first mounting panel (6), the telescopic shaft end fixing of push down cylinder (8) is at clamp plate (7) upper surface.
3. The automatic spot welding machine for battery cells of claim 1, wherein: the horizontal driving device comprises a first lead screw (17), a first motor (18) and a first moving block (19), a long block (20) is horizontally and fixedly arranged on the machine table (1) below the placing plate (3), a first mounting groove (21) is formed in the upper surface of the long block (20) along the length direction, the first lead screw (17) is rotatably connected into the first mounting groove (21), the first motor (18) is mounted at one end of the long block (20), a rotating shaft of the first motor (18) is connected with one end of the first lead screw (17), the first moving block (19) is fixedly arranged on the lower surface of the placing plate (3), and the first moving block (19) is in threaded connection with the first lead screw (17).
4. The automatic spot welding machine for battery cells of claim 3, wherein: the first cover plate (22) is fixed to the notch of the first mounting groove (21) along the length direction, a first strip opening (23) for the first moving block (19) to move is reserved between the two sides of the first cover plate (22) and the strip block (20), and a first abdicating hole (24) for the first cover plate (22) to pass through is formed in the first moving block (19).
5. The automatic spot welding machine for battery cells of claim 1, wherein: the pushing device comprises a pushing cylinder (25) and a welding head mounting block (26), the electric welding head (4) is mounted on the welding head mounting block (26), and the welding head mounting block (26) is fixedly mounted on a telescopic shaft of the pushing cylinder (25).
6. The automatic spot welding machine for battery cells of claim 5, wherein: the vertical driving device comprises a second lead screw (27), a second motor (28) and a second moving block (29), a vertical block (30) is vertically arranged on the machine table (1) close to the horizontal driving device, a second mounting groove (31) is vertically formed in the side wall of the vertical block (30), the second lead screw (27) is vertically and rotatably connected into the second mounting groove (31), the second motor (28) is mounted at the upper end of the vertical block (30), a rotating shaft of the second motor (28) is connected with the upper end of the second lead screw (27), one side of the second moving block (29) is fixedly connected with a cylinder body of the pushing cylinder (25), and the other side of the second moving block (29) is in threaded connection with the second lead screw (27).
7. The automatic spot welding machine for battery cells of claim 6, wherein: the notch department lid of second mounting groove (31) has closed second apron (32), all leave between second apron (32) both sides and riser (30) and supply second movable block (29) to remove second rectangular mouth (33), set up on second movable block (29) and supply second apron (32) to pass second hole (34) of stepping down.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910685312.3A CN110605469B (en) | 2019-07-27 | 2019-07-27 | Automatic spot welding machine for battery cell |
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| CN201910685312.3A CN110605469B (en) | 2019-07-27 | 2019-07-27 | Automatic spot welding machine for battery cell |
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| CN110605469B true CN110605469B (en) | 2021-09-28 |
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