CN212526468U - Battery block welding jig and battery assembly device - Google Patents
Battery block welding jig and battery assembly device Download PDFInfo
- Publication number
- CN212526468U CN212526468U CN202021236282.2U CN202021236282U CN212526468U CN 212526468 U CN212526468 U CN 212526468U CN 202021236282 U CN202021236282 U CN 202021236282U CN 212526468 U CN212526468 U CN 212526468U
- Authority
- CN
- China
- Prior art keywords
- welding
- battery
- conductive
- cap
- conductive part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000003466 welding Methods 0.000 title claims abstract description 109
- 239000004677 Nylon Substances 0.000 claims description 13
- 229920001778 nylon Polymers 0.000 claims description 13
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 3
- 230000000994 depressogenic effect Effects 0.000 abstract description 12
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model provides a battery cap welding jig, including the weld part and the conductive part that link to each other with the spot welder respectively, the weld part is including the depressed part of locating the bottom and the magnet that is used for absorbing the block of locating the depressed part bottom, the conductive part includes that the structure link up and the cover locates the first conductive part in the weld part outside and the second conductive part of being connected with the spot welder, first conductive part bottom forms the size and is greater than the block diameter and the spacing mouth that supplies the weld part bottom to stretch out that is not more than the battery diameter, first conductive part and weld part insulated joint are in order to form the route that electric current flows through from the block, battery positive pole conductive part, the. The utility model also provides a battery assembly device including above-mentioned battery block welding jig, the utility model discloses a battery block welding jig and battery assembly device, welded structure and electric current route when welding the block have been optimized, have welding efficiency height, advantage that welding quality is stable.
Description
Technical Field
The utility model relates to a battery spot welding equipment field, concretely relates to battery block welding jig and battery assembly device.
Background
At present, the new energy industry is rapidly developed, and a lithium battery is used as a battery product which has superior energy density and is environment-friendly, and replaces nickel battery products in more and more fields, such as the field of emergency lamps or emerging fields of electric curtains, movable lamps and the like. The existing fixture for spot welding the battery cap is used for welding the cap and the battery end through two welding needles, the two welding needles abut against the cap to enable the cap to be in close contact with the end of the battery during spot welding, then current is switched on, the current sequentially flows through the welding needles, the cap and the other welding needle to form a loop, the welding position of the cap is melted under the action of resistance heat, and a welding spot is formed after cooling. When spot welding is carried out through two welding pins, it is required to ensure that the cap is aligned with the end part of the battery, and when the welding pins abut against the cap to enable the cap to be in close contact with the end part of the battery, the cap may slightly displace relative to the end part of the battery due to stress, so that the problems of point skewing, insufficient welding or explosive welding are difficult to avoid. Therefore, it is necessary to provide a new welding jig for a battery cap to solve the problems in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects of the prior art, and providing a battery cap welding jig and a battery assembling device which have high welding efficiency and stable welding quality.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
based on the utility model discloses an aspect provides a battery cap welding jig, include weld part and the conductive part that links to each other with the spot welder respectively, the weld part is including the depressed part of locating the bottom and the magnet that is used for absorbing the block of locating the depressed part bottom, the conductive part includes that the structure link up and the cover locates the first conductive part in the weld part outside and the second conductive part of being connected with the spot welder, first conductive part bottom forms the spacing mouth that the size is greater than the block diameter and is not more than the confession weld part bottom of battery diameter and stretches out, first conductive part and weld part insulated connection are in order to form the route that electric current flows through from weld part, block, battery conductive piece, conductive part in proper order when the welding.
In one embodiment, the welding part comprises a cylindrical connecting part located at the lower section, the first conductive part comprises a cylindrical part with an inner diameter size matched with that of the connecting part, a nylon insulating cylinder is arranged between the cylindrical part and the connecting part, and the nylon insulating cylinder is in interference fit with the cylindrical part and the connecting part. The connecting part of the welding part is separated from the cylindrical part of the first conductive part through the nylon insulating sleeve, so that current is prevented from flowing to the first conductive part from the welding part directly; the nylon insulation cylinder is in interference fit with the cylinder part and the connecting part, when no external force is applied, the cylinder part and the connecting part do not move relatively, and the structure is relatively stable.
In one embodiment, the first conductive portion further includes a fixing portion extending from the bottom end of the cylindrical portion, the fixing portion is shaped like an inverted truncated cone, and the bottom end of the fixing portion forms the limiting opening. The fixing part on the first conductive part is designed into an inverted round table shape, so that whether the limiting port abuts against the corresponding position of the positive electrode of the battery or not can be conveniently observed.
In one embodiment, the upper end surface of the cylindrical portion is recessed around the upper end surface opening portion to form an annular step inside the cylindrical portion, the annular step abutting against the nylon insulating cylinder. After the depressed part at the welding part bottom extends out of the limit opening at the first conductive part bottom for a certain distance, the lower end of the nylon insulating cylinder can abut against the annular step to prevent the depressed part from continuing to extend out, and the annular step plays a role in limiting, so that unnecessary operation that the depressed part extends out of the limit opening for too much is avoided.
In one embodiment, the cap includes a spherical protrusion, and the recess of the recess is a cylindrical recess having a size equal to that of the spherical protrusion. During the welding, the relative position of weld part and the battery of waiting to weld has already been confirmed, the recess with the depressed part is designed into the size and just with the spherical protruding cylindrical recess that the size equals on the block, all inhale cylindrical recess with the spherical protruding on the block in the magnet of depressed part inside all just when absorbing the block at every turn, this cylindrical recess plays one and carries out spacing effect to the block of absorption, all fix in suitable position with the relative battery positive pole of block when ensureing at every welding, further avoid the askew condition of block welding.
In one embodiment, the first conductive part is detachably connected with the second conductive part. Compared with the conductive part designed into an integrated structure, the first conductive part and the second conductive part are designed to be detachably connected, the size of the first conductive part can be adjusted according to different welded caps and batteries, the second conductive part can be matched and installed with different first conductive parts, the universality of parts is effectively improved, meanwhile, when one of the first conductive part and the second conductive part is damaged, only single repair and replacement is needed, and the repair and the manufacture of the first conductive part and the second conductive part are facilitated to be simplified.
In one embodiment, a side wall of the first conductive portion is provided with a threaded hole, the second conductive portion is provided with a through hole corresponding to the threaded hole, and the first conductive portion and the second conductive portion are connected through a screw.
In one embodiment, the side wall portion of the first conductive portion is recessed to form a dovetail groove, the second conductive portion is provided with a dovetail projection opposite to the dovetail groove, the dovetail projection is clamped in the dovetail groove, and the first conductive portion is provided with an abutting portion for limiting the dovetail projection to slide out of the dovetail groove.
In one embodiment, the magnet is a cylindrical neodymium magnet.
Based on the utility model discloses a still another aspect provides a battery assembly device including spot welder and above-mentioned arbitrary battery block welding jig.
Compared with the prior art, the utility model discloses a battery cap welding jig's beneficial effect is: welding structure and current path when welding the block have been optimized, the block and the battery when adopting the mode that welding part and first conductive part cooperate to come to welding fix, welding part and first conductive part relatively fixed, welding part and first conductive part support block and battery positive pole respectively tightly, thereby it has the removal to have relatively battery positive pole to have guaranteed that the block can not have when the welding, and the block can fully support tightly with battery positive pole, effectively avoided the askew appearance of some, bad problems such as rosin joint or deep-fry welding, welding efficiency is high and welding quality is stable.
Other advantages of the present invention will be described in detail in the following detailed description of the invention, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation.
In the drawings:
fig. 1 is a schematic structural view of an embodiment of a welding jig for a battery cap of the present invention;
FIG. 2 is an exploded view of the welding fixture for the battery cap shown in FIG. 1;
FIG. 3 is a schematic cross-sectional view illustrating the connection between the soldering portion and the first conductive portion of the cap welding jig shown in FIG. 1;
FIG. 4 is a schematic view of a first angle spot welding of the battery cap welding fixture shown in FIG. 1;
FIG. 5 is a schematic diagram of a second angle spot welding of the battery cap welding fixture shown in FIG. 1;
fig. 6 is a schematic view illustrating a connection between a first conductive portion and a second conductive portion of a battery cap welding fixture according to another embodiment.
Description of reference numerals: 1 welding part, 11 depressed parts, 12 magnets, 13 connecting parts, 2 conductive parts, 21 first conductive parts, 211 threaded holes, 212 abutting parts, 22 second conductive parts, 221 through holes, 222 dovetail convex blocks, 23 limiting openings, 24 cylindrical parts, 25 fixing parts, 26 annular steps, 3 caps, 4 batteries, 41 battery conductive parts, 5 nylon insulating cylinders and 6 screws.
Detailed Description
To further explain the technical solution of the present invention, the present invention is explained in detail below with reference to the accompanying drawings, in which like reference numerals refer to like parts.
Fig. 1 is the structural schematic diagram of an embodiment of the battery cap welding jig of the present invention, refer to fig. 1 to 5 in combination, in this embodiment, the battery cap welding jig includes a welding portion 1 and a conductive portion 2 connected with the spot welder respectively, the welding portion 1 includes a recessed portion 11 disposed at the bottom end and a magnet 12 disposed at the bottom end of the recessed portion 11 and used for sucking the cap 3, the conductive portion 2 includes a first conductive portion 21 and a second conductive portion 22 connected with the spot welder, the first conductive portion 21 is formed at the bottom end and has a size larger than the diameter of the cap 3 and is not larger than the diameter of the battery, and a limit opening 23 is formed at the bottom end of the welding portion 1, the first conductive portion 21 is insulated from the welding portion 1 to form a passage through which current flows from the welding portion 1, the cap 3, the battery conductive portion 41, and the conductive portion 2 in sequence during. In the present embodiment, the battery conductor 41 is a flat cap for positive electrode welding of a battery, and the cap 3 to be welded is a boss cap having a spherical protrusion at the center. Specifically, the welding portion 1 includes a cylindrical connection portion 13 located at a lower stage, the first conductive portion 21 includes a cylindrical portion 24 having an inner diameter size matching the connection portion 13, a nylon insulating cylinder 5 is provided between the cylindrical portion 24 and the connection portion 13, and the nylon insulating cylinder 5 is in interference fit with the cylindrical portion 24 and the connection portion 13.
In the present embodiment, the first conductive part 21 further includes a fixing part 25 extending from the bottom end of the cylindrical part 24, the fixing part 25 is in an inverted truncated cone shape, and the bottom end of the fixing part 25 forms the stopper opening 23. The upper end face of the cylindrical portion 24 is recessed around the upper end face opening portion to form an annular step 26 inside the cylindrical portion 24, the annular step 26 abutting against the nylon insulation tube 5.
During spot welding, the recessed portion 11 at the bottom end of the welding portion 1 extends out of the limiting hole 23 of the first conductive portion 21, after the magnet 12 in the recessed portion 11 absorbs the cap 3 to be welded, the welding portion 1 abuts the cap 3 to the position corresponding to the positive electrode of the battery to be welded under the driving of the spot welding machine, meanwhile, the spot welding machine drives the conductive portion 2 to enable the first conductive portion 21 to abut the end face of the positive electrode of the battery, the welding portion 1 and the first conductive portion 21 are fixed relatively, so that the cap 3 and the end face of the positive electrode of the battery are ensured to abut relatively and fixedly together during welding, current flows out of the high-potential end of the spot welding machine to the welding portion 1, flows through the cap 3, the battery conductive portion 41 of the positive electrode of the battery, the first conductive portion 21 and the second conductive portion 22 sequentially from the welding portion 1 and then flows back to. When current flows through the welding circuit, the portion of the cap 3 abutting the bottom end of the welded portion 1 and the portion of the battery conductor 41 abutting the cap 3 are melted by resistance heat, and the region to be melted is cooled and solidified, so that the cap 3 is welded to the positive electrode of the battery.
In the present embodiment, the cap 3 includes a spherical protrusion, and the groove of the recess 11 is a cylindrical groove having a size equal to that of the spherical protrusion. During the welding, relative position between welding part 1 and battery 4 to be welded has been confirmed, design the recess of depressed part 11 into the size and the spherical protruding cylindrical recess that the size equals on the block 3 just, make magnet 12 inside depressed part 11 all inhale the spherical protruding on the block 3 in the cylindrical recess just when absorbing block 3 at every turn, this cylindrical recess plays a cap 3 to absorbing and carries out spacing effect, in order to ensure that block 3 fixes in suitable position all the time relative to battery 4 positive pole when welding at every turn, further avoid block 3 to weld the askew condition.
In the present embodiment, the first conductive portion 21 is detachably connected to the second conductive portion 22. Specifically, a screw hole 211 is opened in a side wall of the first conductive portion 21, a through hole 221 is opened in the second conductive portion 22 corresponding to the screw hole 211, and the first conductive portion 21 and the second conductive portion 22 are connected by a screw 6.
In the present embodiment, the magnet 12 is a cylindrical neodymium magnet.
In other embodiments, the first conductive portion 21 and the second conductive portion 22 may be detachably connected in a manner shown in fig. 6. Specifically, the side wall portion of the first conductive portion 21 is recessed to form a dovetail groove, the second conductive portion 22 is provided with a dovetail projection 222 opposite to the dovetail groove, the dovetail projection 222 is engaged in the dovetail groove, and the first conductive portion 21 is provided with an abutting portion 212 that restricts the dovetail projection 222 from slipping out of the dovetail groove.
The utility model also provides a battery assembly device, including spot welder and foretell battery cap spot welding tool.
The utility model provides a battery block spot welding tool and battery assembly device, welded structure and current path when welding the block have been optimized, block and battery when adopting weld part and first conductive part complex mode to come the butt welding are fixed, weld part and first conductive part relatively fixed, the weld part supports tight block and battery positive pole respectively with first conductive part, thereby the block can not have the removal to battery positive pole relatively when having ensured the welding, and the block can fully support tightly with battery positive pole, effectively avoided a little askew, the appearance of bad problems such as rosin joint or deep-fry welding, the welding efficiency is high and welding quality is stable.
The above description is only for the specific embodiments of the present invention, and it should be noted that any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention.
Claims (10)
1. A welding jig for a battery cap is characterized by comprising a welding part (1) and a conducting part (2) which are respectively connected with a spot welding machine, the welding part (1) comprises a concave part (11) arranged at the bottom end and a magnet (12) which is arranged at the bottom end of the concave part (11) and is used for sucking the cap (3), the conductive part (2) comprises a first conductive part (21) which is through and sleeved outside the welding part (1) and a second conductive part (22) connected with the spot welding machine, the bottom end of the first conductive part (21) forms a limit opening (23) which is larger than the diameter of the cap (3) and not larger than the diameter of the battery and is used for extending out of the bottom end of the welding part (1), the first conductive part (21) is in insulated connection with the welding part (1) so as to form a passage through which current flows in sequence from the welding part (1), the cap (3), the battery conductive part (41) and the conductive part (2) during welding.
2. The battery cap welding jig according to claim 1, wherein the welding part (1) comprises a cylindrical connecting part (13) located at a lower section, the first conductive part (21) comprises a cylindrical part (24) having an inner diameter size matched with that of the connecting part (13), a nylon insulating cylinder (5) is arranged between the cylindrical part (24) and the connecting part (13), and the nylon insulating cylinder (5) is in interference fit with the cylindrical part (24) and the connecting part (13).
3. The battery cap welding jig according to claim 2, wherein the first conductive part (21) further comprises a fixing part (25) formed to extend from a bottom end of the cylindrical part (24), the fixing part (25) has an inverted truncated cone shape, and a bottom end of the fixing part (25) forms the limiting opening (23).
4. The battery cap welding jig according to claim 2, wherein the upper end face of the cylindrical portion (24) is recessed around the upper end face opening portion to form an annular step (26) inside the cylindrical portion (24), the annular step (26) abutting against the nylon insulating cylinder (5).
5. The battery cap welding jig according to any one of claims 1 to 4, wherein the cap (3) includes a spherical projection, and the recess of the depression (11) is a cylindrical recess having a size equal to that of the spherical projection.
6. The battery cap welding jig according to claim 1, wherein the first conductive portion (21) is detachably connected to the second conductive portion (22).
7. The welding fixture for battery caps according to claim 6, wherein a threaded hole (211) is formed in a side wall of the first conductive part (21), a through hole (221) is formed in the second conductive part (22) corresponding to the threaded hole (211), and the first conductive part (21) and the second conductive part (22) are connected by a screw (6).
8. The battery cap welding jig according to claim 6, wherein the side wall portion of the first conductive portion (21) is recessed to form a dovetail groove, a dovetail protrusion (222) is provided on the second conductive portion (22) opposite to the dovetail groove, the dovetail protrusion (222) is engaged in the dovetail groove, and an abutting portion (212) for restricting the dovetail protrusion (222) from slipping out of the dovetail groove is provided on the first conductive portion (21).
9. The battery cap welding jig of claim 1, wherein the magnet (12) is a cylindrical neodymium magnet.
10. A battery assembling apparatus comprising a spot welder and a battery cap welding jig according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021236282.2U CN212526468U (en) | 2020-06-29 | 2020-06-29 | Battery block welding jig and battery assembly device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021236282.2U CN212526468U (en) | 2020-06-29 | 2020-06-29 | Battery block welding jig and battery assembly device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212526468U true CN212526468U (en) | 2021-02-12 |
Family
ID=74545973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021236282.2U Active CN212526468U (en) | 2020-06-29 | 2020-06-29 | Battery block welding jig and battery assembly device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212526468U (en) |
-
2020
- 2020-06-29 CN CN202021236282.2U patent/CN212526468U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105261726B (en) | Cell positive pole ear exchanging structure and welding method | |
| CN212526468U (en) | Battery block welding jig and battery assembly device | |
| CN207781772U (en) | A kind of assembly of cylindrical battery and Insulation test component and insulating test set | |
| CN212420020U (en) | Deep-melting argon arc welding gun | |
| CN210296421U (en) | Power battery top cap utmost point post | |
| CN105290674A (en) | Special-shaped spot welding lower electrode stretching into outer ring assembly | |
| CN107994247B (en) | Cylindrical battery assembly and insulation test equipment | |
| CN100558217C (en) | A kind of nickel strap is fixed on method on the printed circuit board (PCB) | |
| CN205160267U (en) | It dodges voice coil motor in groove to be provided with electric tie point | |
| CN206550567U (en) | Welding machine is docked in a kind of self-centering | |
| CN104930359A (en) | Electric welding light-compensating lamp | |
| CN201227717Y (en) | Parallel welding and butt welding integrated machine | |
| CN204747879U (en) | A electrode structure under three lamellas that clamping welding part when is used for welding of irregular spare part | |
| US20010026889A1 (en) | Method and apparatus for manufacturing battery module and unit battery cell for use in battery module | |
| CN209183848U (en) | K foot welds board structure of circuit in TYPE-C bonder terminal | |
| CN208539683U (en) | Stator and its electric resistance welder | |
| CN210253887U (en) | Quick die change tool | |
| CN207806867U (en) | Thermocouple spot welding machine | |
| CN206764107U (en) | Welding gun | |
| CN215145560U (en) | Magnetic pendulum arc tungsten electrode argon arc automatic surfacing welding machine | |
| CN218931278U (en) | Wire winding jig | |
| CN217475086U (en) | Battery package BSB welds frock | |
| JP6421947B2 (en) | Welding apparatus and welding method | |
| CN203171178U (en) | Battery terminal welding locating device | |
| CN209936086U (en) | Be applied to arc welding rotary fixture's quick auto-change over device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 423000 the junction of Shek Tiger Road and Lin Jing two road in Bailu Town, Suxian District, Chenzhou, Hunan province (beside Chenzhou Yuanda residential Industrial Co., Ltd.) Patentee after: Hunan Granbo Technology Co.,Ltd. Country or region after: China Address before: 423000 Green Park Industrial Park at the intersection of Lin Jing two road and Shi Hu Road, Bailu Town, Suxian, Chenzhou, Hunan Patentee before: CHANGHONG GELANBO TECHNOLOGY Co.,Ltd. Country or region before: China |