CN116944872B - Lithium battery welding jig - Google Patents
Lithium battery welding jig Download PDFInfo
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- CN116944872B CN116944872B CN202311213187.9A CN202311213187A CN116944872B CN 116944872 B CN116944872 B CN 116944872B CN 202311213187 A CN202311213187 A CN 202311213187A CN 116944872 B CN116944872 B CN 116944872B
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- cutter
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- 238000003466 welding Methods 0.000 title claims abstract description 123
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 23
- 238000004140 cleaning Methods 0.000 claims abstract description 34
- 238000005520 cutting process Methods 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims description 13
- 239000012535 impurity Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 9
- 238000013461 design Methods 0.000 claims description 5
- 230000033001 locomotion Effects 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 description 13
- 230000008569 process Effects 0.000 description 7
- 238000005096 rolling process Methods 0.000 description 5
- 238000007493 shaping process Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
-
- 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
- B23K37/0443—Jigs
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention provides a lithium battery welding fixture, which belongs to the technical field of lithium battery welding and comprises a conveying assembly, a cutting assembly and a welding head cleaning assembly, wherein the conveying assembly, the cutting assembly and the welding head cleaning assembly are arranged on one side of a frame; the conveying component comprises a conveying belt arranged on one side of the frame, a guide groove arranged at one end of the conveying belt, and an upper roller and a lower roller arranged in the guide groove, wherein the conveying belt conveys the lug positioned in the frame into the guide groove, and the upper roller and the lower roller roll the lug; the cutting assembly comprises a cutter arranged above the guide groove, and the cutter cuts the tab conveyed into the guide groove; the welding head cleaning assembly comprises a connecting groove arranged on the guide groove, a supporting plate arranged at the end part of the connecting groove, and bristles arranged on the supporting plate, wherein the bristles are positioned below the welding head and are used for cleaning the welding head. The invention can flatten the cut tab, can relieve the vibration problem of the tab during welding, can clean the welding head, and solves the inconvenience of manual cleaning.
Description
Technical Field
The invention relates to the technical field of lithium battery welding, in particular to a lithium battery welding fixture.
Background
The positive and negative terminals of lithium batteries are usually connected with the negative electrode and the positive electrode cap respectively through tabs, and the tabs are required to be welded on the pole pieces before winding. At present, ultrasonic welding is applied to welding of the tab and the pole piece in a relatively large number, and the following problems exist in the welding process: 1. when the tab is welded with the pole piece, if the tab cannot be fixed, the tab can generate a shaking phenomenon, abnormal phenomena such as welding spot offset, cold joint and the like occur, and the welding qualification rate is affected; 2. after the tab is cut off, folds can be generated, which is not beneficial to the next process; 3. after the tab and the pole piece are welded, a part of substances can remain on the welding head, and workers are required to clean the welding head frequently.
The patent with the publication number of CN106077939B discloses a welding device, in particular to a tab welding device of lithium battery cell winding equipment, and belongs to the technical field of lithium battery cell production and manufacturing. The device comprises a tab clamping and conveying mechanism, a tab cutting mechanism, a tab shaping mechanism and an ultrasonic welding mechanism, wherein the tab clamping and conveying mechanism, the tab cutting mechanism, the tab shaping mechanism and the ultrasonic welding mechanism are sequentially arranged from left to right. The ultrasonic welding mechanism comprises a tab welding assembly, a tab transferring assembly and a tab clamping assembly, wherein the tab welding assembly is positioned at the rear end of the tab shaping mechanism, the tab clamping assembly is positioned at the opposite side of the tab shaping mechanism, and the tab transferring assembly is fixed on the tab shaping mechanism. The welding device is simple, compact and reasonable in structure, ensures that the lug is accurately positioned in the cutting mechanism, ensures that the welding position of the lug is accurate, but cannot well solve the shaking phenomenon of the lug in the welding process, and cannot automatically clean the welding head, and needs manual cleaning to influence the welding efficiency.
Disclosure of Invention
In view of the above, the invention provides a lithium battery welding fixture, which can flatten the cut tab, can relieve the vibration problem of the tab during welding, can clean the welding head, and solves the inconvenience of manual cleaning.
In order to solve the technical problems, the invention provides a lithium battery welding fixture, which comprises a conveying assembly, a cutting assembly and a welding head cleaning assembly, wherein the conveying assembly, the cutting assembly and the welding head cleaning assembly are arranged on one side of a rack;
the conveying assembly comprises a conveying belt arranged on one side of the frame, a guide groove arranged at one end of the conveying belt, and an upper roller and a lower roller which are arranged in the guide groove, wherein the conveying belt conveys the lugs in the frame into the guide groove, and the upper roller and the lower roller roll the lugs;
the cutting assembly comprises a cutter arranged above the guide groove, and the cutter cuts the tab conveyed into the guide groove;
the welding head cleaning assembly comprises a connecting groove arranged on the guide groove, a supporting plate arranged at the end part of the connecting groove, and bristles arranged on the supporting plate, wherein the bristles are used for cleaning the welding head.
By adopting the technical scheme, the tab is conveyed into the guide groove through the conveying belt, after the cutter is cut, the upper roller and the lower roller are rolled in the guide groove, the technical problem that folds or unevenness exists on the surface of the tab after cutting is solved, the tab is welded on the pole piece through rolling and transmission of the upper roller and the lower roller, the height difference between the tab and the pole piece is reduced, and vibration of the tab in the welding process is relieved. The welding head cleaning assembly cleans the welding head, and the inconvenience of manually cleaning the welding head is solved. Moreover, manual cleaning is needed to stop, so that welding efficiency is affected.
In addition, the conveying assembly further comprises a rack arranged on the side face of the guide groove, a pushing frame arranged at the end part of the rack, a first gear meshed with the rack and arranged below the rack, a second gear meshed with the first gear and arranged below the gear, the first gear is connected with the upper roller, the second gear is connected with the lower roller, an air cylinder I is arranged at the end part of the pushing frame, and the air cylinder I drives the rack to move through the pushing frame so as to drive the first gear and the second gear to rotate.
The upper roller and the lower roller are driven by a first cylinder, the cylinder drives a pushing frame to move, the pushing frame drives a rack to move, the rack is meshed with a first gear, the first gear is meshed with a second gear, and then the first gear and the second gear are driven to rotate, so that the upper roller and the lower roller rotate in a following way, after the pole lug is cut by a cutter, the pole lug is rolled by the upper roller and the lower roller, so that the surface of the pole lug is smoother, the pole lug can move forward to one end of a welding head, and the welding head welds the pole lug; after the upper roller and the lower roller convey one tab, the cylinder drives the pushing frame and the rack to move backwards, and the next cut tab is rolled and conveyed continuously.
Specifically, the guide slot is hollow, so that the tab can pass through conveniently, the tab can enter from one end of the guide slot through the conveyor belt, and after being cut by the cutter, the tab is welded on the pole piece through the welding head at the other end of the guide slot.
One side of the connecting groove is provided with a connecting plate, the connecting plate is connected with the rack, and the movement of the rack drives the connecting groove to move, so that the bristles can clear up and down the welding head.
The connecting plate is located the up end of guide way, with rack fixed connection, and the rack drives upper gear and lower gear rotation through cylinder one simultaneously, also drives the connecting plate motion, drives the bonding tool clearance subassembly motion, and the brush hair can come and go the bonding tool clearance.
Preferably, the side of guide slot is equipped with negative pressure fan, be equipped with not less than two through-holes in the backup pad, the spread groove is hollow design, negative pressure fan passes through the spread groove will impurity on brush hair upper portion adsorbs.
The design has the advantages that the negative pressure fan can absorb impurities on the upper parts of the bristles into the bristles, and is favorable for keeping the upper ends of the bristles clean.
Specifically, the other end of guide way is equipped with the open slot, the up end of guide way is equipped with the draw-in groove, the open slot communicates with each other with the draw-in groove, the spread groove card is established in the draw-in groove, the side of spread groove is equipped with wind gap one, the tip of spread groove is equipped with wind gap two, wind gap two is located the below of backup pad, form the wind channel between spread groove, draw-in groove, the open slot, negative pressure fan sets up open slot one side is passed through the wind channel is right impurity on brush hair upper portion adsorbs.
The open slot extends to the both sides of guide way, and the flow path in wind channel is, and the passageway is through open slot, draw-in groove, wind gap first, spread groove, wind gap second, through-hole in proper order, and negative pressure fan sets up in open slot one side, adsorbs the impurity on brush hair upper portion to the brush hair inside along this wind channel.
The upper end face of the guide groove is also provided with a cutter groove, the cutting edge of the cutter is positioned at the upper part of the cutter groove, the end part of the cutter is provided with a second cylinder, and the second cylinder drives the cutter to cut the tab in the cutter groove.
The knife slot is arranged on one side of the clamping slot, the cutter is L-shaped, the cutting edge faces downwards, when the pole lugs are conveyed into the guide slot, the second air cylinder drives the cutter to move downwards, the cutting edge stretches into the knife slot, the pole lugs are cut, and the second air cylinder drives the cutter to move upwards.
In addition, be equipped with the drive frame in the frame, the other end of guide way with the drive frame is connected, be equipped with the pivot on the drive frame, be equipped with the pole piece in the pivot.
The pole piece is wound on the rotating shaft, the rotating shaft is driven to rotate by the motor along with the rotation of the rotating shaft, after one lug is welded, the rotating shaft rotates, the welding of the next lug is carried out, and the guide groove is also supported by the transmission frame.
The welding head is arranged on the welding frame, the welding frame is arranged on one side of the frame and is connected with a welding machine arranged on the frame, and the welding head welds the lug on the pole piece to perform repeated actions.
The machine frame is provided with a fixing plate, the first cylinder is arranged on the fixing plate, and the fixing plate supports and positions the first cylinder.
The technical scheme of the invention has the following beneficial effects:
1. according to the lithium battery, the tab is conveyed into the guide groove through the conveying belt, and after the cutter is used for cutting, the upper roller and the lower roller are rolled in the guide groove, so that the technical problem that folds or unevenness are formed on the surface of the tab after cutting is solved, and the stability of the lithium battery is improved.
2. According to the invention, through rolling and transmission of the upper rolling shaft and the lower rolling shaft, the welding head welds the lug on the pole piece, so that the height difference between the lug and the pole piece is reduced, the vibration of the lug in the welding process is relieved, the abnormal phenomena of welding spot offset, cold joint and the like are reduced, and the welding qualification rate is improved.
3. The welding head cleaning assembly cleans welding heads, and the inconvenience of manually cleaning the welding heads is solved. Moreover, manual cleaning is needed to stop, so that the welding efficiency is affected, and after the welding head cleaning assembly is used for welding, the welding head is automatically cleaned, so that manual cleaning is omitted, and the welding firmness and stability are improved.
4. According to the invention, the lug is conveyed to the guide groove by the conveying belt, the first air cylinder drives the pushing frame to move, the pushing frame drives the rack to move, the rack is meshed with the first gear, the first gear is meshed with the second gear, the first gear and the second gear are driven to rotate, the upper roller and the lower roller are enabled to rotate in a following way, the lug is rolled, the surface of the lug is enabled to be smoother, meanwhile, the rack also drives the connecting plate to move, the welding head cleaning assembly is driven to move, the brush hair can clean the welding head back and forth, the negative pressure fan adsorbs impurities on the upper portion of the brush hair to the inside of the brush hair along the air duct, the whole process is tightly connected, the welding head is kept clean, and the welding efficiency and quality are improved.
Drawings
Fig. 1 is a schematic structural view of a lithium battery welding jig according to the present invention;
FIG. 2 is a schematic view of the structure of the cutting assembly and the weld head cleaning assembly of the present invention;
FIG. 3 is a schematic view of the guide slot of the present invention;
FIG. 4 is a schematic view of the structure of the weld stack and weld head of the present invention;
FIG. 5 is a schematic view of the structure of the transmission frame of the present invention;
FIG. 6 is a schematic view of the structure of the cutter according to the present invention;
fig. 7 is a schematic structural view of the pushing frame of the present invention.
In the figure: 1. a frame; 2. a second cylinder; 3. a welding frame; 4. a connecting groove; 5. a transmission frame; 6. a rotating shaft; 7. a pole piece; 8. a guide groove; 9. a first cylinder; 10. a conveyor belt; 11. a cutter; 12. a pushing frame; 13. welding head; 14. brushing; 15. a rack; 16. a first gear; 17. a second gear; 18. a connecting plate; 19. a support plate; 20. an open slot; 21. a clamping groove; 22. a knife slot; 23. negative pressure fan.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 7 of the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which are obtained by a person skilled in the art based on the described embodiments of the invention, fall within the scope of protection of the invention.
Examples
As shown in fig. 1-2, the embodiment provides a lithium battery welding fixture, which comprises a conveying component, a cutting component and a welding head cleaning component, wherein the conveying component, the cutting component and the welding head cleaning component are arranged on one side of a frame 1;
the conveying component comprises a conveying belt 10 arranged on one side of the frame 1, a guide groove 8 arranged at one end of the conveying belt 10, and an upper roller and a lower roller arranged in the guide groove 8, wherein the conveying belt 10 conveys the lugs positioned in the frame 1 into the guide groove 8, and the upper roller and the lower roller roll the lugs;
the cutting assembly comprises a cutter 11 arranged above the guide groove 8, and the cutter 11 cuts the tab conveyed into the guide groove 8;
the welding head cleaning assembly comprises a connecting groove 4 arranged on the guide groove 8, a supporting plate 19 arranged at the end part of the connecting groove 4, and bristles 14 arranged on the supporting plate 19, wherein the bristles 14 are positioned below the welding head 13, the welding head 13 is cleaned, and the welding head 13 is arranged on the welding frame 3.
By adopting the technical scheme, the tab is conveyed into the guide groove 8 through the conveying belt 10, after being cut by the cutter 11, the tab is rolled through the upper roller and the lower roller in the guide groove 8, the technical problem that folds or unevenness exists on the surface after the tab is cut is solved, the tab is welded on the pole piece 7 through the rolling and the transmission of the upper roller and the lower roller by the welding head 13, the height difference between the tab and the pole piece 7 is reduced, and the vibration of the tab in the welding process is relieved. The welding head cleaning assembly cleans the welding head 13, solving the inconvenience of manually cleaning the welding head 13. Moreover, manual cleaning is needed to stop, so that the welding efficiency is affected, and after the welding head cleaning assembly is welded, the welding head 13 is automatically cleaned, so that manual cleaning is omitted, and the welding firmness and stability are improved. The conveyor belt 10 is an upper and lower double-layer conveyor belt, and conveys the lugs. The upper roller, the lower roller and the guide groove 8 are all connected through bearings.
In addition, the conveying assembly further comprises a rack 15 arranged on the side face of the guide groove 8, a pushing frame 12 arranged at the end portion of the rack 15, a first gear 16 arranged below the rack 15 and meshed with the rack 15, a second gear 17 arranged below the first gear 16 and meshed with the first gear 16, the first gear 16 is connected with an upper roller, the second gear 17 is connected with a lower roller, an air cylinder 9 is arranged at the end portion of the pushing frame 12, and the first air cylinder 9 drives the rack 15 to move through the pushing frame 12 so as to drive the first gear 16 and the second gear 17 to rotate.
As shown in fig. 2, in this embodiment, the rack 15 is slidably disposed on two sides of the guide slot 8, the first gear 16 and the second gear 17 are also disposed on two sides of the guide slot 8, two sides of the guide slot 8 may be provided with slide rails, a slide bar sliding in the slide rails is disposed on a side surface of the rack 15, rotation of the upper roller and the lower roller is driven by the first cylinder 9, specifically, the first cylinder 9 drives the pushing frame 12 to move, the pushing frame 12 drives the rack 15 to move, the rack 15 is meshed with the first gear 16, the first gear 16 is meshed with the second gear 17, and further drives the first gear 16 and the second gear 17 to rotate, so that the upper roller and the lower roller rotate along with each other, after the cutting knife 11 cuts the tab, the upper roller and the lower roller roll the tab, so that the tab surface is smoother, and simultaneously the tab can advance toward one end of the welding head 13, and the tab 13 is welded; after the upper roller and the lower roller convey one tab, the first cylinder 9 drives the pushing frame 12 and the rack 15 to move backwards, and the next cut tab is rolled and conveyed continuously. The pushing frame 12 is structured as shown in fig. 7, the upper part is fixedly arranged at the end part of the rack 15, and the lower part is fixedly connected with the first cylinder 9.
Specifically, the guide groove 8 is hollow, so that the tab can pass through conveniently, the tab enters from one end of the guide groove 8 through the conveyor belt 10, and is welded on the pole piece 7 through the welding head 13 at the other end of the guide groove 8 after being cut by the cutter 11. The guide groove 8 is internally provided with a track for passing through the lug, thereby playing a role in guiding and conveying the lug.
One side of the connecting groove 4 is provided with a connecting plate 18, the connecting plate 18 is connected with a rack 15, and the movement of the rack 15 drives the connecting groove 4 to move, so that the bristles 14 can clear the welding head 13 back and forth.
The connecting plate 18 is located on the upper end face of the guide groove 8 and fixedly connected with the rack 15, the rack 15 drives the upper gear and the lower gear to rotate through the first cylinder 9 and simultaneously drives the connecting plate 18 to move so as to drive the welding head cleaning assembly to move, and the brush hair 14 can clean the welding head 13 back and forth.
As a preferable mode of this embodiment, the side face of the guide groove 8 is provided with a negative pressure fan 23, the support plate 19 is provided with not lower than two through holes, the connecting groove 4 is hollow, and the negative pressure fan 23 adsorbs impurities on the upper portion of the brush hair 14 through the connecting groove 4.
The design has the advantage that the negative pressure fan 23 can absorb impurities on the upper parts of the bristles 14 into the bristles 14, so that the upper ends of the bristles 14 are kept clean.
Specifically, as shown in fig. 3, the other end of the guide groove 8 is provided with an open groove 20, the upper end surface of the guide groove 8 is provided with a clamping groove 21, the open groove 20 is communicated with the clamping groove 21, the connecting groove 4 is clamped in the clamping groove 21, the side surface of the connecting groove 4 is provided with a first air port, the end part of the connecting groove 4 is provided with a second air port, the second air port is positioned below the supporting plate 19, an air channel is formed among the connecting groove 4, the clamping groove 21 and the open groove 20, and a negative pressure fan 23 is arranged on one side of the open groove 20 and adsorbs impurities on the upper parts of the bristles 14 through the air channel.
The supporting plate 19 is provided with a plurality of through holes, the through holes are positioned in the bristles 14, the open slots 20 extend to two sides of the guide slot 8, the air channel flows through the open slots 20, the clamping slots 21, the first air port, the connecting slots 4, the second air port and the through holes in sequence, the negative pressure fan 23 is arranged on one side of the open slots 20, and impurities on the upper parts of the bristles 14 are adsorbed in the bristles 14 along the air channel.
The upper end face of the guide groove 8 is also provided with a cutter groove 22, the cutting edge of the cutter 11 is positioned at the upper part of the cutter groove 22, the end part of the cutter 11 is provided with a second cylinder 2, and the second cylinder 2 drives the cutter 11 to cut the tab in the cutter groove 22.
As shown in fig. 6, the knife slot 22 is disposed at one side of the clamping slot 21, the cutter 11 is L-shaped, the blade faces downward, when the tab is transferred into the guide slot 8, the second cylinder 2 drives the cutter 11 to move downward, the blade extends into the knife slot 22, the tab is cut, and the second cylinder 2 drives the cutter 11 to move upward after the cutting is completed.
As a preferred mode of this embodiment, as shown in fig. 1 and 5, a transmission frame 5 is provided on the frame 1, the other end of the guide slot 8 is connected with the transmission frame 5, a rotating shaft 6 is provided on the transmission frame 5, and a pole piece 7 is provided on the rotating shaft 6.
The pole piece 7 is wound on the rotating shaft 6, the rotating shaft 6 is driven to rotate by a motor along with the rotation of the rotating shaft 6, after one lug is welded, the rotating shaft 6 rotates, the welding of the next lug is carried out, and the guide groove 8 is also supported by the transmission frame 5.
As shown in fig. 1 and 4, the welding head 13 is disposed on the welding frame 3, the welding frame 3 is disposed on one side of the frame 1, and is connected to a welder disposed on the frame 1, and the welding head 13 welds the tab to the pole piece 7 to perform a repetitive operation.
The frame 1 is provided with a fixed plate, the first cylinder 9 is arranged on the fixed plate, and the fixed plate supports and positions the first cylinder 9.
The application method of the invention comprises the following steps:
1. checking that each power supply and each air source of the lithium battery welding fixture are unobstructed;
2. the electrode lug is conveyed into the guide groove 8 by the conveying belt 10, the electrode lug is cut by the cutter 11 driven by the cylinder II, the cutter 11 is driven by the cylinder II to move upwards after the electrode lug is cut, the pushing frame 12, the rack 15, the gear I16 and the gear II 17 are sequentially driven by the cylinder I9 to roll and convey the electrode lug by the upper roller and the lower roller, meanwhile, the welding head cleaning component is driven by the rack 15, the welding head 13 is cleaned by the brush hair 14, the electrode lug is welded on the electrode plate 7 by the welding head 13, the pushing frame 12 and the rack 15 are driven by the cylinder I9 to move backwards to roll and convey the next electrode lug, and meanwhile, the welding head 13 is cleaned by the brush hair 14;
3. after the pole lugs and the pole pieces 7 are welded, the rotating shaft 6 drives the pole pieces 7 to rotate, welding of the next pole lug is carried out, and the negative pressure fan 23 sequentially adsorbs impurities on the upper parts of the bristles 14 through the open grooves 20, the clamping grooves 21 and the connecting grooves 4.
Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the present invention.
Claims (7)
1. A lithium battery welding fixture comprises a conveying assembly, a cutting assembly and a welding head cleaning assembly which are arranged on one side of a frame (1); the method is characterized in that:
the conveying assembly comprises a conveying belt (10) arranged on one side of the frame (1), a guide groove (8) arranged at one end of the conveying belt (10), and an upper roller and a lower roller which are arranged in the guide groove (8), wherein the conveying belt (10) conveys lugs in the frame (1) into the guide groove (8), and the upper roller and the lower roller roll the lugs;
the cutting assembly comprises a cutter (11) arranged above the guide groove (8), and the cutter (11) cuts the tab conveyed into the guide groove (8);
the electrode lugs are conveyed into the guide groove (8) through the conveying belt (10), and after the cutter (11) cuts, the electrode lugs are rolled in the guide groove (8) through an upper roller and a lower roller;
the welding head cleaning assembly comprises a connecting groove (4) arranged on the guide groove (8), a supporting plate (19) arranged at the end part of the connecting groove (4) and bristles (14) arranged on the supporting plate (19), and the bristles (14) are used for cleaning the welding head (13);
the conveying assembly further comprises a rack (15) arranged on the side face of the guide groove (8), a pushing frame (12) arranged at the end part of the rack (15), a first gear (16) arranged below the rack (15) and meshed with the rack (15), and a second gear (17) arranged below the first gear (16) and meshed with the first gear (16), wherein the first gear (16) is connected with the upper roller, the second gear (17) is connected with the lower roller, an air cylinder I (9) is arranged at the end part of the pushing frame (12), and the first air cylinder (9) drives the rack (15) to move through the pushing frame (12) so as to drive the first gear (16) and the second gear (17) to rotate;
the guide groove (8) is of a hollow design, the lug enters from one end of the guide groove (8) through the conveyor belt (10), and is welded on the pole piece (7) through the welding head (13) at the other end of the guide groove (8) after being cut by the cutter (11);
one side of the connecting groove (4) is provided with a connecting plate (18), the connecting plate (18) is connected with a rack (15), and the movement of the rack (15) drives the connecting groove (4) to move so that the bristles (14) can clear up and down the welding head (13).
2. The lithium battery welding jig according to claim 1, wherein: the side of guide way (8) is equipped with negative pressure fan (23), be equipped with not less than two through-holes on backup pad (19), spread groove (4) are hollow design, negative pressure fan (23) are through spread groove (4) will impurity on brush hair (14) upper portion adsorbs.
3. The lithium battery welding jig according to claim 2, wherein: the utility model discloses a brush hair, including guide slot (8), guide slot (8) are equipped with draw-in groove (21), draw-in groove (20) communicate with each other with draw-in groove (21), draw-in groove (4) card is established in draw-in groove (21), the side of draw-in groove (4) is equipped with wind gap one, the tip of draw-in groove (4) is equipped with wind gap two, wind gap two is located the below of backup pad (19), form the wind channel between draw-in groove (4), draw-in groove (21), open slot (20), negative pressure fan (23) set up open slot (20) one side is through the wind channel is right impurity on brush hair (14) upper portion adsorbs.
4. The lithium battery welding jig of claim 3, wherein: the upper end face of the guide groove (8) is also provided with a cutter groove (22), the cutting edge of the cutter (11) is positioned on the upper portion of the cutter groove (22), the end portion of the cutter (11) is provided with a cylinder II (2), and the cylinder II (2) drives the cutter (11) to cut the tab in the cutter groove (22).
5. The lithium battery welding jig according to claim 4, wherein: the novel electric motor is characterized in that a transmission frame (5) is arranged on the frame (1), the other end of the guide groove (8) is connected with the transmission frame (5), a rotating shaft (6) is arranged on the transmission frame (5), and a pole piece (7) is arranged on the rotating shaft (6).
6. The lithium battery welding jig according to claim 5, wherein: the welding head (13) is arranged on the welding frame (3), and the welding frame (3) is positioned on one side of the frame (1) and is connected with a welding machine arranged on the frame (1).
7. The lithium battery welding jig according to claim 1, wherein: the machine frame (1) is provided with a fixed plate, and the first air cylinder (9) is arranged on the fixed plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311213187.9A CN116944872B (en) | 2023-09-20 | 2023-09-20 | Lithium battery welding jig |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311213187.9A CN116944872B (en) | 2023-09-20 | 2023-09-20 | Lithium battery welding jig |
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| Publication Number | Publication Date |
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| CN116944872A CN116944872A (en) | 2023-10-27 |
| CN116944872B true CN116944872B (en) | 2024-01-05 |
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| CN212216312U (en) * | 2020-04-27 | 2020-12-25 | 恒大新能源技术(深圳)有限公司 | Welding cleaning device |
| CN215393151U (en) * | 2021-06-08 | 2022-01-04 | 东莞市雅康精密机械有限公司 | Battery sheet laser cutting dust extraction |
| CN218398276U (en) * | 2022-07-15 | 2023-01-31 | 易佰特新能源科技有限公司 | Battery pole piece cutting mechanism |
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2023
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2881978Y (en) * | 2005-10-18 | 2007-03-21 | 徐鸿俊 | Machine for automatic welding of battery pole piece |
| CN205685013U (en) * | 2016-06-27 | 2016-11-16 | 浙江金开来新能源科技有限公司 | A kind of automatic welding device for lithium battery pole ear |
| CN210306221U (en) * | 2019-04-08 | 2020-04-14 | 珠海市四海久源科技有限公司 | Ultrasonic battery spot welding device |
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|---|---|
| CN116944872A (en) | 2023-10-27 |
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