CN117359101B - Automatic welding equipment for battery cover plate - Google Patents
Automatic welding equipment for battery cover plate Download PDFInfo
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- CN117359101B CN117359101B CN202311682300.8A CN202311682300A CN117359101B CN 117359101 B CN117359101 B CN 117359101B CN 202311682300 A CN202311682300 A CN 202311682300A CN 117359101 B CN117359101 B CN 117359101B
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- 238000003466 welding Methods 0.000 title claims abstract description 413
- 230000000712 assembly Effects 0.000 claims abstract description 40
- 238000000429 assembly Methods 0.000 claims abstract description 40
- 238000003825 pressing Methods 0.000 claims description 42
- 230000005540 biological transmission Effects 0.000 claims description 40
- 230000006835 compression Effects 0.000 claims description 17
- 238000007906 compression Methods 0.000 claims description 17
- 230000001360 synchronised effect Effects 0.000 claims description 14
- 239000000969 carrier Substances 0.000 claims description 13
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 20
- 230000008569 process Effects 0.000 description 19
- 239000000306 component Substances 0.000 description 10
- 230000003028 elevating effect Effects 0.000 description 10
- 229910052744 lithium Inorganic materials 0.000 description 8
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 6
- 239000011257 shell material Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000007773 negative electrode material Substances 0.000 description 3
- 239000011255 nonaqueous electrolyte Substances 0.000 description 3
- 239000007774 positive electrode material Substances 0.000 description 3
- 229910000733 Li alloy Inorganic materials 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 239000011258 core-shell material Substances 0.000 description 2
- 239000001989 lithium alloy Substances 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 229910002065 alloy metal Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- 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 for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/0426—Fixtures for other work
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/564—Terminals characterised by their manufacturing process
- H01M50/566—Terminals characterised by their manufacturing process by welding, soldering or brazing
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention relates to the technical field of automatic welding of battery cover plates, and particularly discloses automatic welding equipment for battery cover plates, which comprises the following components: the welding device comprises an annular rotating plate, N cover plate compressing assemblies and N pole welding assemblies, wherein N is an integer larger than or equal to 1, at least one welding through hole is formed in the welding rotating plate, a cover plate groove for placing a battery cover plate is formed in a cover plate carrier, a first pole groove for placing a positive pole and a second pole groove for placing a negative pole are formed in the bottom of the cover plate groove, the welding rotating plate is located right above the first pole groove, a pole compressing block is arranged right above the second pole groove, the pole compressing block is fixed on a compressing fixed plate, a cover plate compressing plate is further arranged on the compressing fixed plate, automatic pole welding to the battery cover plate is effectively achieved, welding spots can be prevented from deviating when welding accuracy is guaranteed, the effect of evenly distributing welding spots is achieved, and the quality of a battery structure is improved.
Description
Technical Field
The invention relates to the technical field of welding and assembling of battery cover plates, in particular to automatic welding equipment for battery cover plates.
Background
Lithium batteries are a type of battery using a nonaqueous electrolyte solution with lithium metal or lithium alloy as a positive electrode material and a negative electrode material, and among them, lithium batteries can be roughly classified into two types: lithium metal batteries are generally batteries using manganese dioxide as a positive electrode material, metallic lithium or an alloy metal thereof as a negative electrode material, and a nonaqueous electrolyte solution, and lithium ion batteries are generally batteries using lithium alloy metal oxide as a positive electrode material, graphite as a negative electrode material, and a nonaqueous electrolyte, and do not contain lithium in a metallic state and are chargeable.
The lithium ion battery comprises a battery shell, a battery cell and a battery cover plate, wherein the shell of the battery is provided with a through hole for extending out anode pins and cathode pins, the cell is arranged in the battery shell, the cell comprises a pole, the pole is connected with the pins for conducting electricity, the battery cover plate mainly plays a role in protecting the cell tightness inside the battery shell and simultaneously playing a role in fixing the pole, in the lithium battery, the cell contains electrolyte which is highly corrosive liquid, once the electrolyte leaks out, the battery can be damaged, pollution and harm can be caused to the surrounding environment, therefore, the sealing performance of the battery cover plate is very important, the battery cover plate can effectively prevent the electrolyte from leaking, and the battery cover plate can also fix the pole inside the battery and prevent the pole from moving or deforming in the working process, because the pole is a core component of the lithium battery, the stability and the reliability of the pole have a critical influence on the performance and the service life of the battery, so that it is also very important to ensure that the battery cover plate and the pole are fixedly connected, the traditional fixing process of the battery cover plate and the pole adopts welding for fixedly connecting, in order to ensure that the positions of the battery cover plate and the pole do not deviate, the battery cover plate and the pole need to be pressed and fixed in the welding process, but the battery cover plate and the pole are often assembled by manually pressing the battery cover plate and the pole and then manually welding the battery cover plate and the pole in the welding process, the battery cover plate and the pole are easily deviated in the welding process, the welding precision is not high, and the production efficiency of manual individual assembled battery cover plates and pole posts is low, and the problem that the welding spots of the battery cover plates and the pole posts which are assembled continuously cannot be ensured to be even so that the welding of the battery cover plates and the pole posts is loose and falls occurs, thereby influencing the subsequent battery assembly quality.
For example, the publication number is "CN106736221a", the patent name is "a full-automatic welding workbench for cylindrical battery tab cap", this technical scheme discloses "including the frame and set up the swivel work head on the frame, swivel work head is rotated by the servo motor drive that sets up in the frame, the inboard radial tool that places the electric core shell that evenly is equipped with of swivel work head circumference, circumference outside along swivel work head direction of rotation order is provided with electric core shell material loading unit, tab flattening unit, tab cleaning unit, tab wiping unit, cap material loading unit, galvanometer laser welding unit, tensile test unit and unloading unit, accomplish a plurality of processes such as material loading, flattening, cleaning wiping, welding, test, unloading through the cooperation of each unit", this technical scheme carries out automatic flattening and carries out automatic cleaning wiping through tab wiping unit to tab surface through tab wiping unit, although can guarantee battery cover plate and tab's welding quality and production efficiency along the welding quality of swivel work head round battery tab through guaranteeing the clean degree on tab surface, can still improve battery cover plate and tab welding quality and production efficiency, can's circular welding quality can not be overcome if the welding quality is difficult to be high if the welding accuracy is difficult to the round cover plate is difficult to overcome in the welding round welding position round cover plate and can't be fixed in order of welding round outer diameter round cover plate welding process because of the welding position is difficult to be located in the welding process.
Therefore, how to automatically weld the battery cover plate pole is a technical problem that needs to be solved by the current technicians.
Disclosure of Invention
The present invention has been made in view of the above-mentioned problems occurring in the prior art, and an object of the present invention is to provide an automatic welding apparatus for battery cover plates.
In order to achieve the above purpose, the present invention provides the following technical solutions: an automatic welding apparatus for battery cover plates, comprising:
The device comprises an annular rotating plate, N cover plate compressing assemblies and N pole welding assemblies, wherein N is an integer greater than or equal to 1;
The cover plate pressing assembly comprises a pressing fixed plate and a pressing lifting device, and the pole welding assembly comprises a welding rotating plate, a welding rotating device and a welding lifting device;
The welding rotating plate is provided with at least one welding through hole, the welding through hole is used for installing a laser welding head, the welding rotating device is used for controlling the rotating speed of the welding rotating plate, and the welding lifting device is used for controlling the lifting height of the welding rotating plate;
A plurality of cover plate carriers are uniformly arranged on the annular surface of the annular rotating plate, cover plate grooves for placing battery cover plates are formed in the cover plate carriers, and a first pole groove for placing positive pole poles and a second pole groove for placing negative pole poles are formed in the bottoms of the cover plate grooves; the welding rotating plate is positioned right above the first pole groove, a pole compression block is arranged right above the second pole groove, the pole compression block is fixed on the compression fixing plate, a cover plate compression plate is further arranged on the compression fixing plate, and the compression lifting device controls the lifting height of the compression fixing plate.
Preferably, the bottom of the welding rotating plate is provided with a fixed fulcrum, one end of the fixed fulcrum is sleeved with a rotating bearing, the other end of the fixed fulcrum is provided with a pole pressing cap, the rotating bearing is clamped at the center of the welding rotating plate, and when the welding rotating plate abuts against the second pole groove, the inner cavity of the pole pressing cap is matched with the top of the pole.
Preferably, the welding lifting device is located at the outer side of the annular rotating plate, the power output end of the welding lifting device is fixedly provided with a bearing support plate, the welding rotating plate and the transmission assembly are both arranged at the top of the bearing support plate, the welding rotating device is arranged at the outer side of the bearing support plate, the power output end of the welding rotating device is in transmission connection with the welding rotating plate through the transmission assembly, and the welding lifting device is used for controlling the lifting height of the bearing support plate.
Preferably, when the N is 2, the 2 cover plate compressing assemblies are adjacently arranged, the spacing between the 2 cover plate compressing assemblies is consistent with the spacing between the 2 adjacent cover plate grooves, and one faces of the 2 compressing and fixing plates face the two adjacent cover plate grooves respectively, wherein one of the pole compressing blocks is fixed on one side of one of the compressing and fixing plates, and the other one of the pole compressing blocks is fixed on the other side of the other compressing and fixing plate.
Preferably, a fixed bottom cover for fixing the fixed support shaft is arranged in the rotating bearing, the central axis of the fixed bottom cover and the central axis of the welding rotating plate are located on the same central axis, and an opening is arranged on the fixed bottom cover and aligned with the welding through hole.
Preferably, the transmission assembly comprises a synchronous transmission belt and a transmission gear set, the power output end of the welding rotating device is rotationally connected with the transmission gear set through the synchronous transmission belt, teeth are uniformly distributed on the periphery of the outer wall of the welding rotating plate, and the transmission gear set is meshed with the welding rotating plate.
Preferably, when the N is 2, the 2 cover plate compressing assemblies are in one-to-one correspondence with the 2 pole welding assemblies, wherein one of the pole compressing blocks is used for compressing the positive pole, one of the welding rotating plates is located above the negative pole, the other one of the pole compressing blocks is used for compressing the negative pole, and the other one of the welding rotating plates is located above the positive pole.
Preferably, a circular fixing plate is arranged above the annular rotating plate, the cover plate pressing assembly is arranged on the circular fixing plate, the central axis of the circular pressing fixing plate and the central axis of the annular rotating plate are located on the same axis, and the circular diameter size of the circular pressing fixing plate is smaller than that of the annular rotating plate.
Preferably, when the welding through holes are provided with 2, 2 welding through holes are symmetrically arranged on the welding rotating plate, the center distances from the 2 welding through holes to the welding rotating plate are consistent, and the 2 welding through holes are arranged in an arc-shaped structure.
Preferably, when the welding through holes are provided in 3, 3 of the welding through holes are distributed on the welding rotating plate member, and the distances from the three welding through holes to the center of the welding rotating plate member are the same.
Preferably, the driving gear set comprises a driving gear and a driven gear, the bottom of the driving assembly is provided with a placing plate, a plurality of placing grooves are sequentially formed in the placing plate, a driving rotating shaft is arranged in the driving gear, one end of the driving rotating shaft is in driving connection with the synchronous driving belt, the driving gear is meshed with the driven gear, the driven gear is meshed with the welding rotating plate, and the driving gear, the driven gear and the welding rotating plate are respectively arranged in the plurality of placing grooves.
Preferably, the device further comprises a limiting clamping column and a limiting groove, wherein the limiting clamping column is positioned at the bottom of the compressing and fixing plate, the limiting groove is positioned at the outer side of the cover plate carrier, when the compressing and fixing plate aligns to the cover plate groove, the limiting clamping column aligns to the limiting groove, and the limiting clamping column is matched with the limiting groove.
Compared with the prior art, the invention provides automatic welding equipment for the battery cover plate, which has the beneficial effects that:
According to the technical scheme, the annular rotating plate, the N cover plate compressing assemblies and the N pole welding assemblies are arranged, N is an integer larger than or equal to 1, the cover plate compressing assemblies comprise compressing fixed plates and compressing lifting devices, the pole welding assemblies comprise welding rotating plates, welding rotating devices and welding lifting devices, at least one welding through hole is formed in each welding rotating plate and is used for installing a laser welding head, the welding rotating devices are used for controlling the rotating speed of the welding rotating plates, the welding rotating plates are rotated, the welding through holes move along the rotating direction of the welding rotating plates, the welding lifting devices are used for controlling the lifting height of the welding rotating plates, therefore, the welding rotating plates are aligned with poles, laser beams of the laser welding heads are conveniently emitted through the welding through holes of the welding rotating plates, and the laser beams rotate the welding pole along the rotating direction of the welding rotating plates;
Through evenly being equipped with a plurality of apron carrier on the anchor ring of annular rotation plate, still through being equipped with the apron recess that is used for placing the battery apron on the apron carrier, drive apron recess and remove and compress tightly subassembly and utmost point post welding set to Ji Gaiban when annular rotation plate, be equipped with the first utmost point post recess that is used for placing anodal utmost point post and the second utmost point post recess that is used for placing the negative pole utmost point post in the bottom of apron recess, be located directly over the first utmost point post recess through the rotatory plate of welding, and be provided with utmost point post compact heap directly over through the second utmost point post recess, fix the utmost point post compact heap on compressing tightly fixed plate, compressing tightly still be equipped with the apron compact disc on the fixed plate, control through compressing tightly elevating gear compress tightly the elevating gear of fixed plate, consequently, realize compressing tightly fixed plate and push down, compressing tightly fixed plate and drive utmost point compact disc and compress tightly the negative pole post, the apron compact disc, welding elevating gear drives the rotatory plate and aligns anodal post and welds, laser beam rotates along the direction of rotation of welding rotatory plate in welding spot rotation in the rotatory plate rotation, realize the automatic battery apron, accurate welding pole post, accurate and the welding quality has guaranteed that the accurate welding effect has been played in the accurate welding structure of battery position has improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of a cover plate compressing assembly in the present invention.
Fig. 3 is a schematic view of a pole welding assembly according to the present invention.
Fig. 4 is a schematic structural diagram of a cover carrier in the present invention.
Fig. 5 is a schematic view of an exploded structure of a welded rotating plate member in accordance with the present invention.
The labels in the figures are shown in combination: 1. a ring-shaped rotating plate; 2. a cover plate compacting assembly; 3. a post welding assembly; 4. a transmission assembly; 5. a circular fixing plate; 10. a cover plate carrier; 20. limiting clamping columns; 21. compressing the fixed plate; 22. compressing the lifting device; 31. welding the rotating plate; 32. welding a lifting device; 33. a welding rotating device; 41. a synchronous drive belt; 42. a drive gear set; 99. a transmission rotating shaft; 100. a limit groove; 101. a cover plate groove; 102. a first pole groove; 103. a second post recess; 210. a pole compression block; 211. a cover plate compacting plate; 310. welding the through holes; 311. a fixed support shaft; 312. a rotating bearing; 313. a pole pressing cap; 314. fixing the bottom cover; 315. an opening; 316. teeth; 321. a bearing plate; 420. placing a plate; 421. placing the groove; 422. a drive gear; 423. a driven gear.
Detailed Description
Preferred embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present application have been illustrated in the drawings, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein, but rather, these embodiments are provided so that this application will be thorough and complete, and will fully convey the scope of the application to those skilled in the art.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
In the description of the present application, it should be understood that the terms "thickness," "upper," "lower," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application; furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated; thus, the definition of "first", "second" is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly including one or more such features.
In the description of the present application, it should be noted that, 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 communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
The following describes the technical scheme of the embodiment of the present application in detail with reference to the accompanying drawings.
Referring to fig. 1 to 5, a battery cover plate automatic welding apparatus includes:
the device comprises an annular rotating plate 1, N cover plate pressing assemblies 2 and N pole welding assemblies 3, wherein N is an integer greater than or equal to 1;
the cover plate pressing assembly 2 comprises a pressing fixed plate 21 and a pressing lifting device 22, and the pole welding assembly 3 comprises a welding rotating plate 31, a welding rotating device 33 and a welding lifting device 32;
the welding rotating plate 31 is provided with at least one welding through hole 310, the welding through hole 310 is used for installing a laser welding head, the welding rotating device 33 is used for controlling the rotating speed of the welding rotating plate 31, and the welding lifting device 32 is used for controlling the lifting height of the welding rotating plate 31;
A plurality of cover plate carriers 10 are uniformly arranged on the annular surface of the annular rotating plate 1, cover plate grooves 101 for placing battery cover plates are formed in the cover plate carriers 10, and first pole grooves 102 for placing positive pole poles and second pole grooves 103 for placing negative pole poles are formed in the bottoms of the cover plate grooves 101; the welding rotating plate 31 is located right above the first pole groove 102, a pole compressing block 210 is arranged right above the second pole groove 103, the pole compressing block 210 is fixed on the compressing and fixing plate 21, a cover plate compressing plate 211 is further arranged on the compressing and fixing plate 21, and the compressing and lifting device 22 controls the lifting height of the compressing and fixing plate 21.
Specifically, a fixed support shaft 311 is disposed at the bottom of the welding rotating plate 31, a rotating bearing 312 is sleeved at one end of the fixed support shaft 311, a pole pressing cap 313 is disposed at the other end of the fixed support shaft, the rotating bearing 312 is clamped at the center of the welding rotating plate 31, and when the welding rotating plate 31 approaches the second pole groove 103, an inner cavity of the pole pressing cap 313 is matched with the top of the pole.
Specifically, the welding lifting device 32 is located on the outer side of the annular rotating plate 1, a bearing plate 321 is fixedly arranged at the power output end of the welding lifting device 32, the welding rotating plate 31 and the transmission assembly 4 are arranged at the top of the bearing plate 321, the welding rotating device 33 is arranged on the outer side of the bearing plate 321, the power output end of the welding rotating device 33 is in transmission connection with the welding rotating plate 31 through the transmission assembly 4, and the welding lifting device 32 is used for controlling the lifting height of the bearing plate 321.
Specifically, when N is 2, 2 cover plate compressing assemblies 2 are adjacently disposed, the spacing between 2 cover plate compressing assemblies 2 is consistent with the spacing between 2 adjacent cover plate grooves 101, and one surface of 2 compressing and fixing plates 21 faces two adjacent cover plate grooves 101 respectively, wherein one pole compressing block 210 is fixed on one side of one compressing and fixing plate 21, and the other pole compressing block 210 is fixed on the other side of the other compressing and fixing plate 21.
Specifically, a fixed bottom cover 314 for fixing the fixed support shaft 311 is provided inside the rotation bearing 312, the central axis of the fixed bottom cover 314 and the central axis of the welding rotation plate 31 are located on the same central axis, and an opening 315 is provided on the fixed bottom cover 314, and the opening 315 is aligned with the welding through hole 310.
Specifically, the transmission assembly 4 includes a synchronous driving belt 41 and a driving gear set 42, the power output end of the welding rotation device 33 is rotationally connected with the driving gear set 42 through the synchronous driving belt 41, teeth 316 are uniformly distributed around the outer wall of the welding rotation plate 31, and the driving gear set 42 is meshed with the welding rotation plate 31.
Specifically, when N is 2, the 2 cover plate pressing assemblies 2 are in one-to-one correspondence with the 2 pole welding assemblies 3, wherein one pole pressing block 210 is used for pressing the positive pole, one welding rotating plate 31 is located above the negative pole, the other pole pressing block 210 is used for pressing the negative pole, and the other welding rotating plate 31 is located above the positive pole.
Specifically, the top of annular rotation plate 1 is provided with circular fixed plate 5, apron compresses tightly subassembly 2 and establishes on the circular fixed plate 5, just the central axis that the circular fixed plate 21 that compresses tightly with the central axis that the annular rotates plate 1 is located same axis, the circular diameter size that the circular fixed plate 21 that compresses tightly is less than the circular diameter size that the annular rotates plate 1.
Specifically, when the number of the welding through holes 310 is 2, the welding through holes 310 are symmetrically arranged on the welding rotating plate 31, the center distances from the welding through holes 310 to the welding rotating plate 31 are uniform, and the number of the welding through holes 310 is 2.
Specifically, when the welding through holes 310 are provided in 3,3 welding through holes 310 are distributed on the welding rotating plate member 31, and the distances from the three welding through holes 310 to the center of the welding rotating plate member 31 are the same.
Specifically, the driving gear set 42 includes a driving gear 422 and a driven gear 423, a placing plate 420 is disposed at the bottom of the driving assembly 4, a plurality of placing grooves 421 are sequentially disposed inside the placing plate 420, a driving rotating shaft 99 is disposed inside the driving gear 422, one end of the driving rotating shaft 99 is in driving connection with the synchronous driving belt 41, the driving gear 422 is meshed with the driven gear 423, the driven gear 423 is meshed with the welding rotating plate 31, and the driving gear 422, the driven gear 423 and the welding rotating plate 31 are respectively disposed in the plurality of placing grooves 421.
Specifically, the device further comprises a limiting clamping column 20 and a limiting groove 100, wherein the limiting clamping column 20 is located at the bottom of the compressing and fixing plate 21, the limiting groove 100 is located at the outer side of the cover plate carrier 10, when the compressing and fixing plate 21 is aligned with the cover plate groove 101, the limiting clamping column 20 is aligned with the limiting groove 100, and the limiting clamping column 20 is matched with the limiting groove 100.
In order to automatically weld and fix the positive electrode post on the battery cover plate, the first embodiment includes: by being provided with an annular rotating plate 1,1 cover plate pressing assembly 2 and 1 pole welding assembly 3, the cover plate pressing assembly 2 comprises a pressing fixed plate 21 and a pressing lifting device 22, and the pole welding assembly 3 comprises a welding rotating plate 31, a welding rotating device 33 and a welding lifting device 32; at least one welding through hole 310 is arranged on the welding rotating plate 31, the welding through hole 310 is used for installing a laser welding head, the welding rotating device 33 is used for controlling the rotating speed of the welding rotating plate 31, and the welding lifting device 32 is used for controlling the lifting height of the welding rotating plate 31;
A plurality of cover plate carriers 10 are uniformly arranged on the annular surface of the annular rotating plate 1, a cover plate groove 101 for placing a battery cover plate is formed in the cover plate carriers 10, a first pole groove 102 for placing a positive pole and a second pole groove 103 for placing a negative pole are formed in the bottom of the cover plate groove 101, the positive pole is placed in the first pole groove 102 before welding, the negative pole is placed in the second pole groove 103, and the positive pole, the negative pole and the negative pole are placed; the welding rotating plate 31 is positioned right above the first pole groove 102, the positive pole is aligned through the welding through hole 310, the positive pole is welded through the laser beam light-transmitting welding through hole 310 of the laser welding head, the position of the welding head through hole moves along with the rotation direction of the welding rotating plate 31 in the rotation process of the welding rotating plate 31, and a welding ring surrounding the positive pole is formed, so that the fixed connection of the welding positive pole and a battery cover plate is realized, a pole compressing block 210 is arranged right above the second pole groove 103, the pole compressing block 210 is fixed on the compressing and fixing plate 21, the pole compressing block 210 is driven to move by the compressing and fixing plate 21, the negative pole is compressed through the pole compressing block 210 in the welding process of the positive pole, the battery cover plate is prevented from being tilted outwards, and the cover plate compressing plate 211 is also arranged on the compressing and fixing plate 21, before the welding process, the compressing and lifting device 22 is controlled to descend the compressing and the cover plate 211 is driven by the compressing and fixing plate 21 to compress the battery cover plate, so that the battery cover plate and the positive pole are automatically fixed.
It should be noted that, in order to implement lifting adjustment alignment of the welding rotating plate 31 and ensure rotation of the welding rotating plate 31 during lifting adjustment, in this embodiment, the welding lifting device 32 is further included in the driving assembly 4, and is located at an outer side of the annular rotating plate 1, and a bearing plate 321 is fixedly disposed at a power output end of the welding lifting device 32, both the welding rotating plate 31 and the driving assembly 4 are disposed at a top of the bearing plate 321, and also disposed at an outer side of the bearing plate 321 through the welding rotating device 33, and a power output end of the welding rotating device 33 is in driving connection with the welding rotating plate 31 through the driving assembly 4, and the welding lifting device 32 is used for controlling a lifting height of the bearing plate 321, so that the welding lifting device 32 drives the bearing plate 321 to move up and down, so as to adjust the lifting height of the welding rotating plate 31, and is suitable for welding positive plates with different length sizes.
In order to realize automatic synchronous welding of the positive electrode post and the negative electrode post on the battery cover plate, the second embodiment improves the working efficiency, and the second embodiment comprises: by arranging the annular rotating plate 1, the 2 cover plate compressing assemblies 2 and the 2 pole welding assemblies 3, the cover plate compressing assemblies 2 comprise a compressing fixed plate 21 and a compressing lifting device 22, and the pole welding assemblies 3 comprise a welding rotating plate 31, a welding rotating device 33 and a welding lifting device 32; at least one welding through hole 310 is arranged on the welding rotating plate 31, the welding through hole 310 is used for installing a laser welding head, the welding rotating device 33 is used for controlling the rotating speed of the welding rotating plate 31, and the welding lifting device 32 is used for controlling the lifting height of the welding rotating plate 31;
a plurality of cover plate carriers 10 are uniformly arranged on the annular surface of the annular rotating plate 1, a cover plate groove 101 for placing a battery cover plate is formed in the cover plate carriers 10, a first pole groove 102 for placing a positive pole and a second pole groove 103 for placing a negative pole are formed in the bottom of the cover plate groove 101, the positive pole is placed in the first pole groove 102 before welding, the negative pole is placed in the second pole groove 103, and the positive pole, the negative pole and the negative pole are placed;
In order to realize positive and negative electrode welding, when 2 adjacent cover plate carriers 10 are driven to move to 2 cover plate compressing assemblies 2 through annular rotating plate 1, the 2 adjacent cover plate carriers 10 and the 2 cover plate compressing assemblies 2 are in one-to-one correspondence, when cover plate grooves 101 of the 2 adjacent cover plate carriers 10 are respectively aligned with compressing fixed plate members 21 of the 2 cover plate compressing assemblies 2, as the 2 cover plate compressing assemblies 2 are in one-to-one correspondence with 2 electrode column welding assemblies 3,2 electrode column compressing blocks 210 are arranged on the compressing fixed plate members 21 in opposite positions, therefore, the positive electrode column and the negative electrode column in one cover plate carrier 10 are simultaneously compressed by one cover plate compressing assembly 2 and one electrode column welding assembly 3, when one electrode column compressing block 210 compresses the negative electrode column, one welding rotating plate 31 is positioned above the positive electrode column to weld the positive electrode column, before the welding process, one welding lifting device 32 can drive one welding rotating plate 31 to move downwards to compress the positive pole, when the other pole compressing block 210 compresses the positive pole, the other welding rotating plate is positioned above the negative pole to weld the negative pole, before the welding process, the other welding lifting device 32 drives the other welding rotating plate 31 to move downwards to compress the negative pole, in order to realize the welding of the welding rotating plate 31, the effect of compressing the positive pole can be achieved, the two welding rotating plates 31 are respectively aligned with the positive pole and the negative pole on two adjacent battery cover plates to weld, the pole compressing caps 313 on the two welding rotating plates 31 respectively compress the upper positive pole and the negative pole of the two adjacent battery cover plates, when the two pole compression blocks 210 respectively compress the negative pole and the positive pole on one side of two adjacent battery cover plates, the situation that the welding is influenced by the outward warping of the other side of the battery cover plates is prevented, the effect that one pole is compressed by welding a rotating plate is realized, the other pole is compressed by the pole compression blocks 210, and the situation that the welding precision is inaccurate due to the outward warping of the battery cover plates is prevented.
It should be noted that, by arranging the 2 cover plate compressing assemblies 2 adjacently, the spacing between the 2 cover plate compressing assemblies 2 is consistent with the spacing between the 2 adjacent cover plate grooves 101, and one surface of the 2 compressing and fixing plates 21 faces the two adjacent cover plate grooves 101 respectively, so that one pole compressing block 210 is fixed on one side of one compressing and fixing plate 21, and the other pole compressing block 210 is fixed on the other side of the other compressing and fixing plate 21, so that the positive and negative poles of the battery cover plate in the two adjacent cover plate grooves 101 are respectively compressed by the 2 pole compressing blocks 210, and the situation that the pole at the other end of the battery cover plate is stressed unevenly and outwards tilted and falls when the welding rotating plate 31 compresses and welds the pole is prevented.
It should be noted that, through 2 apron hold-down assemblies 2 and 2 the pole welding assembly 3 one-to-one, be used for compressing tightly positive pole with one of them pole hold-down block 210, still be located negative pole top with one of them welding rotation plate 31, be used for compressing tightly negative pole with another one of them pole hold-down block 210, still be located positive pole's top with another one of them welding rotation plate 31, combine above, it welds the battery cover positive and negative pole in 2 adjacent setting apron recess 101 simultaneously to have realized 2 apron hold-down assemblies 2 and 2 pole welding assembly 3, when the anodal of one of them battery cover is welded to one of them pole welding assembly 3, one of them apron hold-down assembly 2 compresses tightly the negative pole of one of them battery cover, prevent that the uneven outer perk of atress from influencing the welding precision from appearing, when another one of other battery cover is welded to another battery cover's negative pole to another one of battery cover to have compressed tightly to another one of them apron, the uneven circumstances leads to the circumstances of battery cover warp outward, can realize that 2 battery cover plate's anodal is welded through 2 group pole welding assembly 3 is automatic to realize that the battery is fixed on 2 battery cover plate and welded efficiency, the effect is reached and the welding effect is effectively welded.
Embodiment three, in order to prevent that the terminal from coming off because of the infirm circumstances that appears of welding, need ensure that the solder joint is even in order to increase the welding steadiness, prevent that the terminal from coming off and influencing battery structure quality, this embodiment includes: by being provided with an annular rotating plate 1, N cover plate compressing assemblies 2 and N pole welding assemblies 3, wherein N is an integer greater than or equal to 1, the cover plate compressing assemblies 2 comprise a compressing fixed plate 21 and a compressing lifting device 22, and the pole welding assemblies 3 comprise a welding rotating plate 31, a welding rotating device 33 and a welding lifting device 32; at least one welding through hole 310 is formed in the welding rotating plate 31, the welding through hole 310 is used for installing a laser welding head, the welding rotating device 33 is used for controlling the rotating speed of the welding rotating plate 31, and the welding lifting device 32 is used for controlling the lifting height of the welding rotating plate 31, so that the welding lifting device 32 drives the welding rotating plate 31 to align with the pole, the welding rotating plate is located at the circumference which is performed along the upper part of the pole, the laser beam of the laser welding head is emitted out of the welding through hole 310 to perform welding work on the circumference of the pole (the circumference of the pole is abutted to a hole or a groove of a battery cover plate), the laser welding head is fixed on the welding through hole 310, and the laser beam performs circumferential motion welding along the rotating direction of the welding rotating plate 31 (the bottom of the pole is in a cylindrical welding spot structure) due to the fact that the welding spot is uniformly welded, the welding spot is uniformly ensured, the efficiency is simultaneously improved, and the welding is prevented from falling off unevenly due to the uneven welding spot;
It should be noted that, through being provided with circular fixed plate 5 in the top of annular rotation plate 1, establish apron compress tightly subassembly 2 circular fixed plate 5 is last, wherein, the central axis that circular compress tightly fixed plate 21 and the central axis that annular rotation plate 1 are located same axis, circular diameter size that circular compress tightly fixed plate 21 is less than annular rotation plate 1, through evenly arranging a plurality of apron carrier 10 on the anchor ring of annular rotation plate 1, and be equipped with the apron recess 101 that is used for placing the battery apron on apron carrier 10, thereby realize that annular rotation plate 1 rotates the time drive battery apron and compress tightly subassembly 2 and compress tightly fixed plate 21, through being equipped with the first post recess 102 that is used for placing positive post and the second post recess 103 that is used for placing negative post in the bottom of apron recess 101, place positive post in first post recess 102 before the welding work, and place positive and negative post, it is located the positive top of first post recess 102 to weld rotatory plate 31, through the through-hole 310 alignment.
It should be noted that, in order to improve the welding efficiency and simultaneously ensure the circumferential peripheral position of the pole corresponding to the welding position, when the welding through holes 310 are provided with 2 welding through holes 310, the 2 welding through holes 310 are symmetrically arranged on the welding rotating plate 31, and the center distances from the 2 welding through holes 310 to the welding rotating plate 31 are consistent, and the 2 welding through holes 310 are all arranged in an arc structure, so that the laser welding heads on the welding through holes 310 with the 2 arc structures can simultaneously emit laser beams to weld the pole in the rotating process of the welding rotating plate 31, the working efficiency is improved through 2 welding operations, and because the arc structures are arranged at the center positions of the welding rotating plate 31 to rotate around the welding rotating plate 31, the circumferential periphery of the pole corresponding to the welding position is enabled.
It should be noted that, in combination with the above, in order to further improve the working efficiency, when the welding through holes 310 are 3, the 3 welding through holes 310 are distributed on the welding rotating plate 31, where the center distances from the three welding through holes 310 to the welding rotating plate 31 are the same, so that the center distances from the welding points of the 3 welding through holes 310 to the welding rotating plate 31 are the same, the center position of the welding rotating plate 31 needs to be corresponding to the center position of the pole in the welding process, and in the rotating process of the welding rotating plate 31, the center position of the welding rotating plate 31 is circularly moved by the 3 welding through holes 310, so that the circumference of the pole is welded.
It should be noted that, still include drive assembly 4, it is outside that will weld elevating gear 32 is located annular rotation plate 1, make the fixed bearing plate 321 that is provided with of power take off end of welding elevating gear 32, still with welding rotation plate 31 and drive assembly 4 all set up the top at bearing plate 321, and set up welding rotation device 33 in the outside of bearing plate 321, power take off end through welding rotation device 33 passes through drive assembly 4 and welding rotation plate 31 transmission connection, still be used for controlling the elevating height of bearing plate 321 through welding elevating gear 32, consequently, drive assembly 4 through welding rotation device 33 and rotate, and drive welding rotation plate 31 through drive welding rotation device 33 and welding rotation plate 31 simultaneously through welding elevating gear 32, ensure that welding rotation plate 31 can rotate the while also accessible welding elevating gear carries out altitude mixture control, make its welding rotation plate 31 support the post.
It should be noted that, the transmission assembly 4 includes a synchronous transmission belt 41 and a transmission gear set 42, the power output end of the welding rotation device 33 is rotationally connected with the transmission gear set 42 through the synchronous transmission belt 41, teeth 316 are uniformly distributed around the outer wall of the welding rotation plate 31, and the transmission gear set 42 is meshed with the welding rotation plate 31, so that the rotation of the welding rotation plate 31 driven by the transmission assembly 4 is achieved.
To the above, it should be further noted that, through including driving gear 422 and driven gear 423 at drive gear group 42, the bottom of drive assembly 4 is provided with places plate 420, will place plate 420 inside has set gradually a plurality of and has placed recess 421, the inside of driving gear 422 is provided with drive pivot 99, the one end and the synchronous drive belt 41 transmission of drive pivot 99 are connected, driving gear 422 meshes with driven gear 423, driven gear 423 meshes with welding rotatory plate 31, driving gear 422, driven gear 423 and welding rotatory plate 31 establish respectively in a plurality of places recess 421, be convenient for install on above-mentioned carrier plate through placing plate 420, and the accessible carrier plate drives driving gear 422 simultaneously, driven gear 423 and welding rotatory plate 31.
In order to prevent the position of the battery cover plate and the battery post from being deviated, resulting in deviation of welding position and affecting welding precision thereof, in the process of welding the battery cover plate and the battery post, the position of the battery cover plate and the position of the battery post need to be ensured not to deviate, and the battery cover plate need to be fixed so as to ensure the welding precision thereof, the embodiment comprises: in the welding process, compress tightly welding through welding rotatory plate 31 to one of them utmost point post, still compress tightly another utmost point post through utmost point post compact heap 210, prevent that the battery cover from warping outward, owing to still be equipped with apron pinch plate 211 on compressing tightly fixed plate 21, compress tightly the decline of fixed plate 21 through compressing tightly elevating gear 22 control, realized compressing tightly fixed plate 21 and driving apron pinch plate 211 and compressing tightly the battery cover, consequently realized stabilizing battery cover and the effect of positive and negative utmost point post, prevent that the condition that the utmost point post caused welding precision not enough with battery cover not hard up from appearing in the welding process.
It should be noted that, through being provided with fixed fulcrum 311 in the bottom of welding rotatory plate 31, still through being equipped with rolling bearing 312 in the one end cover of fixed fulcrum 311, the other end is provided with the utmost point post and presses cap 313, makes rolling bearing 312 card establish welding rotatory plate 31's center department, therefore when welding rotatory plate 31 is near the utmost point post recess, because the inner chamber of utmost point post presses cap 313 and the top looks adaptation of utmost point post, compress tightly firmly the utmost point post through utmost point post presses cap 313, prevent that the utmost point post from becoming flexible, guarantee welding precision.
It should be noted that by providing the fixed bottom cover 314 for fixing the fixed fulcrum 311 inside the rotation bearing 312, positioning the central axis of the fixed bottom cover 314 on the same central axis as the central axis of the welding rotation plate member 31, and providing the opening 315 on the fixed bottom cover 314, the opening 315 being aligned with the welding through hole 310, it is achieved that the opening 315 is provided while sealing the rotation bearing 312 thereof by the fixed bottom cover 314, and the laser beam at the welding through hole 310 is facilitated to be emitted through the opening 315.
A fifth embodiment, which is described in further detail in conjunction with the above examples, comprises the following working steps
And (3) a step of: placing a battery cover plate with a pole in the cover plate carrier 10, and enabling one surface of the battery cover plate with the pole to face upwards, and enabling the other surface to be tightly attached to the bottom surface of the clamping groove;
and II: when the welding of the cathode electrode is performed, the welding through holes 310 of the welding rotating plate 31 are aligned and the cathode electrode of the battery cover plate is pressed through the electrode pressing cap 313, the electrode pressing block 210 is aligned with the cathode electrode of the battery cover plate and the cover plate pressing plate 211 is aligned with the battery cover plate to prevent position deviation, the welding rotating plate 31 rotates, the laser beam emitted by the laser welding head welds the periphery of the electrode through the welding through holes 310 (the periphery of the electrode is abutted against a hole or a groove of the battery cover plate), the laser welding head is fixed on the welding through holes 310, and as the rotation directions of the laser welding head and the welding rotating plate 31 are consistent, the circular motion welding of the laser beam along the rotation direction of the welding rotating plate 31 is realized (as the bottom of the electrode is in a cylindrical structure), the welding of the periphery of the electrode is realized, the welding spot is ensured to be uniform, and the efficiency is improved;
When the positive pole is welded, a cover plate pressing component 2 and a pole welding component 3 are additionally arranged, the 2 cover plate pressing components 2 and the 2 pole welding components 3 are in one-to-one correspondence, the 2 adjacent battery cover plates are welded with positive and negative poles through the 2 cover plate pressing components 2 and the 2 pole welding components 3, the annular rotating plate 1 drives the battery cover plates to move to corresponding welding stations to perform pole welding work, one of the cover plate pressing components 2 presses the negative pole of one of the battery cover plates, one of the pole welding components 3 welds the positive pole of the other battery cover plate, the other cover plate pressing component 2 presses the positive pole of the other battery cover plate, and the other pole welding component 3 welds the negative pole of the other battery cover plate, so that automatic welding fixation of the positive pole and the negative pole of the battery cover plate is realized.
While the foregoing embodiments have been described with reference to the accompanying drawings, in which descriptions of various embodiments are provided for emphasis, and in which parts of one embodiment are not described in detail, reference may be made to the description of other embodiments, and it should be understood by those skilled in the art that the actions and modules referred to in the description are not necessarily essential to the present application. In addition, it can be understood that the steps in the method of the embodiment of the present application may be sequentially adjusted, combined and pruned according to actual needs, and the modules in the device of the embodiment of the present application may be combined, divided and pruned according to actual needs.
The foregoing description of embodiments of the application has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the improvement of technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (7)
1. An automatic battery cover plate welding device, comprising:
the device comprises an annular rotating plate, a transmission assembly, N cover plate compressing assemblies and N pole welding assemblies, wherein N is an integer greater than or equal to 1; when N is 2,2 cover plate pressing assemblies are adjacently arranged;
The cover plate pressing assembly comprises a pressing fixed plate and a pressing lifting device, and the pole welding assembly comprises a welding rotating plate, a welding rotating device and a welding lifting device;
The welding rotating plate is provided with at least one welding through hole, the welding through hole is used for installing a laser welding head, the welding lifting device is positioned at the outer side of the annular rotating plate, a bearing support plate is fixedly arranged at the power output end of the welding lifting device, the welding rotating plate and the transmission assembly are both arranged at the top of the bearing support plate, the welding rotating device is arranged at the outer side of the bearing support plate, and the power output end of the welding rotating device is in transmission connection with the welding rotating plate through the transmission assembly; the welding rotating device is used for controlling the rotating speed of the welding rotating plate, the welding lifting device is respectively used for controlling the lifting heights of the welding rotating plate and the bearing support plate, and the welding is performed by controlling the lifting height of the welding rotating plate to adjust the polar columns with different length sizes;
The transmission assembly comprises a synchronous transmission belt and a transmission gear set, the power output end of the welding rotating device is rotationally connected with the transmission gear set through the synchronous transmission belt, a fixed support shaft is arranged at the bottom of the welding rotating plate, a rotating bearing is sleeved at one end of the fixed support shaft, a pole pressing cap is arranged at the other end of the fixed support shaft, and the rotating bearing is clamped at the center of the welding rotating plate;
A plurality of cover plate carriers are uniformly arranged on the annular surface of the annular rotating plate, cover plate grooves for placing battery cover plates are formed in the cover plate carriers, and a first pole groove for placing positive pole poles and a second pole groove for placing negative pole poles are formed in the bottoms of the cover plate grooves; the welding rotating plate is positioned right above the first pole groove, a pole compression block is arranged right above the second pole groove, the pole compression block is fixed on the compression fixing plate, a cover plate compression plate is further arranged on the compression fixing plate, and the compression lifting device controls the lifting height of the compression fixing plate; when the welding rotating plate is abutted against the first pole groove, the inner cavity of the pole pressing cap is matched with the top of the pole;
the spacing between the 2 cover plate compressing assemblies is consistent with the spacing between the 2 adjacent cover plate grooves, one surface of each of the 2 compressing and fixing plate members faces to the two adjacent cover plate grooves, one of the pole compressing blocks is fixed on one side of one of the compressing and fixing plate members, and the other pole compressing block is fixed on the other side of the other compressing and fixing plate member; the 2 apron compacting assemblies and 2 utmost point post welding assembly one-to-one, one of them utmost point post compact heap is used for compressing tightly the positive pole post, one of them welding rotation plate is located negative pole post top, another one utmost point post compact heap is used for compressing tightly the negative pole post, another one welding rotation plate is located positive pole post's top.
2. The automatic battery cover plate welding apparatus according to claim 1, wherein a fixed bottom cover for fixing the fixed fulcrum shaft is provided inside the rotating bearing, a central axis of the fixed bottom cover and a central axis of the welding rotating plate are both located on the same central axis, and an opening is provided on the fixed bottom cover, the opening being aligned with the welding through hole.
3. The automatic welding equipment for battery cover plates according to claim 1, wherein teeth are uniformly distributed on the periphery of the outer wall of the welding rotating plate, and the transmission gear set is meshed with the welding rotating plate.
4. The automatic battery cover plate welding device according to claim 1, wherein a circular fixing plate is arranged above the annular rotating plate, the cover plate pressing assembly is arranged on the circular fixing plate, the central axis of the circular fixing plate and the central axis of the annular rotating plate are located on the same axis, and the circular diameter of the circular fixing plate is smaller than that of the annular rotating plate.
5. The automatic welding apparatus for battery cover plates according to claim 1, wherein when the welding through holes are provided in 3,3 of the welding through holes are provided in the welding rotating plate member in a distributed manner, and the distances from the three welding through holes to the center of the welding rotating plate member are the same.
6. The automatic welding device for the battery cover plate according to claim 3, wherein the transmission gear set comprises a driving gear and a driven gear, a placement plate is arranged at the bottom of the transmission assembly, a plurality of placement grooves are sequentially formed in the placement plate, a transmission rotating shaft is arranged in the driving gear, one end of the transmission rotating shaft is in transmission connection with the synchronous transmission belt, the driving gear is meshed with the driven gear, the driven gear is meshed with the welding rotating plate, and the driving gear, the driven gear and the welding rotating plate are respectively arranged in the placement grooves.
7. The automatic battery cover plate welding device according to claim 1, further comprising a limiting clamping column and a limiting groove, wherein the limiting clamping column is located at the bottom of the pressing fixing plate, the limiting groove is located at the outer side of the cover plate carrier, when the pressing fixing plate aligns with the cover plate groove, the limiting clamping column aligns with the limiting groove, and the limiting clamping column is matched with the limiting groove.
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| CN202311682300.8A CN117359101B (en) | 2023-12-08 | 2023-12-08 | Automatic welding equipment for battery cover plate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112620985A (en) * | 2020-12-16 | 2021-04-09 | 大族激光科技产业集团股份有限公司 | Laser welding fixture and laser welding system |
| CN115055849A (en) * | 2022-07-27 | 2022-09-16 | 宜宾长盈精密技术有限公司 | Battery cover plate pole welding tool |
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| CN113346167B (en) * | 2021-06-04 | 2024-02-02 | 中创新航科技股份有限公司 | Welding method of battery cover |
| CN115415718B (en) * | 2022-08-15 | 2024-11-08 | 明益信(江苏)智能设备有限公司 | Device and method for welding, positioning and clamping of poles of power battery cover |
| CN218081040U (en) * | 2022-09-02 | 2022-12-20 | 宁波震裕科技股份有限公司 | Lithium battery pole welding machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112620985A (en) * | 2020-12-16 | 2021-04-09 | 大族激光科技产业集团股份有限公司 | Laser welding fixture and laser welding system |
| CN115055849A (en) * | 2022-07-27 | 2022-09-16 | 宜宾长盈精密技术有限公司 | Battery cover plate pole welding tool |
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