CN216576316U

CN216576316U - Compatible welding frock of cylindrical battery

Info

Publication number: CN216576316U
Application number: CN202122927804.4U
Authority: CN
Inventors: 徐伟; 孙铜浩
Original assignee: Shangqiu Shenfeng Energy Technology Co ltd
Current assignee: Shangqiu Shenfeng Energy Technology Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-05-24
Anticipated expiration: 2031-11-26

Abstract

The utility model provides a cylindrical battery compatibility welding tool which is used for solving the problems that the existing welding tool cannot be used universally for different module designs, is high in production cost, is inconvenient to use and cannot meet various use requirements. The battery module fixing device comprises a carrier and a cover plate, wherein a containing groove is formed in the carrier, welding holes are correspondingly formed in the carrier and the cover plate, two ends of a battery module are respectively fixed through a clamping module, busbars are arranged on the clamping module, welding points of the busbars are respectively in one-to-one correspondence with the battery module and the welding holes, and positioning devices are arranged in the containing groove and on the cover plate. The utility model can ensure that the bus bar and the battery module cannot shake, dislocate and the like in the carrying or welding process, can realize mechanical automatic welding, improves the production efficiency, can be universal for different module designs, meets the use requirements of different quantities of battery cores and different structural modules, has simple structure, is convenient to use and has strong practicability.

Description

Compatible welding frock of cylindrical battery

Technical Field

The utility model relates to the technical field of electric vehicle battery pack processing, in particular to a cylindrical battery compatibility welding tool.

Background

With the wider application of lithium batteries, the demand of lithium batteries is particularly great in various electric vehicles. In order to meet the increasing demand, lithium batteries are also produced in a mechanized and automated manner. In the production and manufacturing process of lithium battery packs, the most important step is the group welding of the modules. In the automatic welding machine, the welding of module must cooperate the welding jig frock, and among each present welding frock, all be to a certain product and the frock of special design, can only be used for the production of the group battery of a structure, and fixed quantity's electric core carries out welding in groups promptly. This kind of structure has great defect, and can not carry on universally between the different module designs, and every design research and development a new battery module, just will match one set even many sets of welding frock so that carry out the welding production of module, causes manufacturing cost height, uses inconveniently, can not satisfy multiple user demand.

SUMMERY OF THE UTILITY MODEL

The utility model provides a cylindrical battery compatibility welding tool, aiming at the problems that the existing welding tool cannot be used universally for different module designs, is high in production cost, is inconvenient to use and cannot meet various use requirements.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a compatible welding frock of cylindrical battery, includes carrier and apron, and carrier and apron pass through locking mechanism swing joint, be equipped with the holding tank that is used for placing the battery module on the carrier, all correspond on carrier and the apron and seted up the welding hole, battery module and welding hole one-to-one, and the both ends of battery module are fixed through card mould module respectively, be equipped with the busbar on the card mould module, the welding point department of busbar respectively with battery module and welding hole one-to-one, all be provided with the positioner who is used for fixed battery module and busbar in the holding tank and on the apron.

The battery module comprises a cylindrical battery cell, the cylindrical battery cell is placed in the accommodating tank after being fixed through the clamping module, and two ends of the cylindrical battery cell correspond to the welding holes one to one respectively.

The card mould module includes card mould and lower card mould, and goes up the card mould and set up at the positive terminal of cylinder electricity core, and lower card mould sets up the negative pole end at cylinder electricity core, go up card mould and correspond respectively on the card mould down and offer with cylinder electricity core assorted perforation I, the both ends of cylinder electricity core set up respectively in perforation I and contact with the solder joint department of busbar.

The busbar includes anodal busbar and negative pole busbar, and anodal busbar sets up in the outside of last card mould, and the negative pole busbar sets up in the outside of card mould down, the positive terminal and the anodal busbar phase-match of cylinder electricity core, negative pole end and negative pole busbar phase-match.

The positioning device comprises a plurality of positioning pins for fixing the battery module, the positioning pins are correspondingly arranged in the accommodating groove and on the lower end face of the cover plate respectively, positioning holes matched with the positioning pins are formed in the upper clamping die and the lower clamping die, through holes II are formed in the positive busbar and the negative busbar, and the positioning pins penetrate through the through holes II and are matched with the positioning holes.

All be provided with the magnet that is used for magnetism to inhale fixed busbar on the lower terminal surface of apron and in the holding tank, anodal busbar passes through magnet to be fixed on the lower terminal surface of apron, and the negative pole busbar passes through magnet to be fixed in the bottom of holding tank.

Locking mechanism includes quick detach hasp I and quick detach hasp II, and quick detach hasp I all fixes on the carrier with quick detach hasp II, the apron on fixed be provided with quick detach hasp I assorted lock sleeve I and with quick detach hasp II assorted lock sleeve II.

By adopting the structure, the cover plate is tightly covered on the carrier through the locking mechanism, and the battery module and the busbar are fixed by the positioning device, so that the busbar and the battery module can not shake, dislocate and the like in the carrying or welding process, mechanical automatic welding can be realized, the labor cost is reduced, and the production efficiency is greatly improved; and can realize generally to the module design of difference, and can fix a position the battery of different quantity, satisfy the user demand of different quantity electric core, different structure modules, simple structure, reasonable in design, and convenient to use has very strong practicality.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic external view of the present invention;

FIG. 2 is a schematic view of a carrier according to the present invention;

fig. 3 is an exploded view of the internal structure of the present invention.

In the drawing, 1 is the carrier, 2 is the apron, 3 is the holding tank, 4 is the welding hole, 5 is the cylinder electricity core, 6 is last card mould, 7 is lower card mould, 8 is anodal busbar, 9 is the negative pole busbar, 10 is the locating pin, 11 is the locating hole, 12 is for perforating I, 13 is for perforating II, 14 is quick detach hasp I, 15 is the lock sleeve I, 16 is quick detach hasp II, 17 is the lock sleeve II, 20 is magnet, 21 is the mounting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.

As shown in fig. 1, the present invention provides a cylindrical battery compatibility welding fixture, which includes a carrier 1 and a cover plate 2, wherein the carrier 1 is used for placing a battery module, and then the cover plate 2 is tightly covered on the carrier 1. As shown in fig. 2, the carrier 1 is provided with an accommodating groove 3 for accommodating the battery module, and when in use, the battery module is placed in the accommodating groove 3 for fixing; welding holes 4 are correspondingly formed in the carrier 1 and the cover plate 2, and the welding holes 4 are used for inserting welding pins; battery module and welding hole 4 one-to-one, every electric core in the battery module all corresponds a welding hole 4 promptly, and the welding needle of being convenient for passes welding hole 4 and welds it. Two ends of the battery module are respectively fixed through the die clamping module, so that the battery module is prevented from moving in the welding process to influence the welding quality; and be equipped with the busbar on the card mould module, the solder joint department of busbar respectively with battery module and 4 one-to-one in welding hole, specifically be the both ends of battery module and fix in the card mould module, the busbar sets up the outside at the card mould module, and when installing the busbar, ensure that the solder joint department of busbar is corresponding with the both ends of battery module respectively, the battery module that will install the busbar is placed in holding tank 3 at last, make the solder joint department of battery module and busbar all corresponding with welding hole 4 when placing, thereby realize that the welding needle inserts and welds battery module and busbar from welding hole 4.

Specifically, as shown in fig. 3, the battery module includes cylinder electricity core 5, and cylinder electricity core 5 places in holding tank 3 after fixed through the card mould module, the both ends of cylinder electricity core 5 respectively with welding hole 4 one-to-one, the positive and negative two poles of a polarity of cylinder electricity core 5 correspond welding hole 4 respectively promptly, make things convenient for the welding needle to pass welding hole 4 and weld cylinder electricity core 5, improve the solder joint quality. The clamping die set comprises an upper clamping die 6 and a lower clamping die 7, the upper clamping die 6 is arranged at the positive end of the cylindrical battery core 5, the lower clamping die 7 is arranged at the negative end of the cylindrical battery core 5, the upper clamping die 6 and the lower clamping die 7 are respectively and correspondingly provided with a perforation I12 matched with the cylindrical battery core 5, namely, two ends of the cylindrical battery core 5 are respectively arranged in the perforation I12 and are exposed to be contacted with a welding spot of a busbar, specifically, the busbar comprises a positive busbar 8 and a negative busbar 9, the positive busbar 8 is arranged at the outer side of the upper clamping die 6, the negative busbar 9 is arranged at the outer side of the lower clamping die 7, the positive end of the cylindrical battery core 5 is matched with the positive busbar 8, the negative end is matched with the negative busbar 9, namely, the positive end of the cylindrical battery core 5 passes through the perforation I12 on the upper clamping die 6 and is contacted with the welding spot of the positive busbar 8, the negative end of the cylindrical battery core 5 passes through the perforation 12 on the lower clamping die 7 and is contacted with the welding spot of the negative busbar 9I, thereby facilitating welding. The specification of welding hole 4, battery module, card mould module and busbar in this embodiment is 10 x 9, and this specification specifically also can change according to the in-service use demand to satisfy different user demands, structural design is simple reasonable, convenient to use.

In order to ensure that the bus bar and the battery module cannot shake or shift in the carrying or welding process, positioning devices for fixing the battery module and the bus bar are arranged in the accommodating groove 3 and on the cover plate 2. The positioning device comprises a plurality of positioning pins 10 used for fixing the battery module, the positioning pins 10 are respectively and correspondingly arranged in the accommodating groove 3 and on the lower end face of the cover plate 2, positioning holes 11 matched with the positioning pins 10 are formed in the upper clamping die 6 and the lower clamping die 7, through holes II 13 are formed in the anode busbar 8 and the cathode busbar 9, the positioning pins 10 penetrate through the through holes II 13 and are matched with the positioning holes 11, even when the positioning device is used, the two ends of the battery module are respectively fixed in the upper clamping die 6 and the lower clamping die 7, then the positioning pins 10 are matched with the positioning holes 11, so that the battery module is further reinforced, the battery module is prevented from shaking, position deviation and the like in the carrying or welding process, meanwhile, mechanical automatic welding can be realized, the labor cost is reduced, and the production efficiency is greatly improved. As a further preferred scheme, the magnets 20 for magnetically attracting and fixing the busbars are arranged on the lower end face of the cover plate 2 and in the accommodating groove 3, and the busbars are battery nickel sheets, so that the magnets 20 have certain magnetic attraction force. Specifically be anodal busbar 8 through magnet 20 fix on the lower terminal surface of apron 2, negative pole busbar 9 passes through magnet 20 to be fixed in the bottom of holding tank 3 for adsorb and fixed busbar, magnet 20's quantity is unlimited, in order to reach the purpose of fixed busbar can, and magnet 20's mounted position also can be adjusted according to specific user demand, in order to satisfy multiple user demand.

The carrier 1 and the cover plate 2 are movably connected through a locking mechanism. Specifically, the locking mechanism comprises a quick release lock I14 and a quick release lock II 16, the quick release lock I14 and the quick release lock II 16 are both fixed on the carrier 1, a lock sleeve I15 matched with the quick release lock I14 and a lock sleeve II 17 matched with the quick release lock II 16 are fixedly arranged on the cover plate 2, specifically, 2 quick release locks I14 are arranged on the carrier 1 and are all arranged on the upper portion of the

carrier

1, 2 quick release locks II 16 are also arranged and are respectively fixed on two sides of the carrier 1, the lock sleeve I15 corresponds to the quick release lock I14 and is fixed on the upper portion of the cover plate 2, the lock sleeve II 17 corresponds to the quick release lock II 16 and is fixed on two sides of the cover plate 2, wherein two mounting grooves 21 are arranged on the upper portions of the carrier 1 and the cover plate 2 for mounting the quick release lock I14 and the clamping sleeve II 15, when in use, the quick release lock I14 is fixed in the quick release lock sleeve I15, and the lock sleeve II 16 is fixed in the lock sleeve II 17, thereby make apron 2 tightly cover close on carrier 1 to ensure that carrier 1 and apron 2 are connected more stably, firm, prevent that apron 2 from taking place to remove or apron 2 drops from carrier 1 relatively carrier 1 in transport or welded process, and influence the course of the work.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a compatible welding frock of cylindrical battery which characterized in that: including carrier (1) and apron (2), carrier (1) and apron (2) are through locking mechanism swing joint, be equipped with holding tank (3) that are used for placing the battery module on carrier (1), all correspond on carrier (1) and apron (2) and seted up welding hole (4), battery module and welding hole (4) one-to-one, and the both ends of battery module are fixed through card mould module respectively, be equipped with the busbar on the card mould module, the welding point department of busbar respectively with battery module and welding hole (4) one-to-one, all be provided with the positioner who is used for fixed battery module and busbar in holding tank (3) and on apron (2).

2. The cylindrical battery compatibility welding tool of claim 1, characterized in that: the battery module comprises a cylindrical battery core (5), the cylindrical battery core (5) is placed in the accommodating groove (3) after being fixed through the clamping die module, and two ends of the cylindrical battery core (5) are in one-to-one correspondence with the welding holes (4) respectively.

3. The cylindrical battery compatibility welding tool of claim 2, characterized in that: the card mould module includes card mould (6) and lower card mould (7) on, and goes up card mould (6) and set up the positive terminal in cylinder electricity core (5), and lower card mould (7) set up the negative pole end in cylinder electricity core (5), go up card mould (6) and correspond respectively on card mould (7) down and offer I (12) of perforating with cylinder electricity core (5) assorted, the both ends of cylinder electricity core (5) set up respectively in I (12) of perforating and contact with the solder joint department of busbar.

4. The cylindrical battery compatibility welding tool of claim 2 or 3, characterized in that: the busbar includes anodal busbar (8) and negative pole busbar (9), and anodal busbar (8) set up in the outside of last card mould (6), and negative pole busbar (9) set up in the outside of card mould (7) down, the positive terminal and anodal busbar (8) phase-match, negative pole end and negative pole busbar (9) phase-match of cylinder electricity core (5).

5. The cylindrical battery compatibility welding tool of claim 4, characterized in that: the positioning device comprises a plurality of positioning pins (10) used for fixing the battery module, the positioning pins (10) are respectively and correspondingly arranged in the accommodating groove (3) and on the lower end face of the cover plate (2), positioning holes (11) matched with the positioning pins (10) are formed in the upper clamping die (6) and the lower clamping die (7), through holes II (13) are formed in the positive busbar (8) and the negative busbar (9), and the positioning pins (10) penetrate through the through holes II (13) and are matched with the positioning holes (11).

6. The cylindrical battery compatibility welding tool of claim 5, characterized in that: all be provided with on the lower terminal surface of apron (2) and in holding tank (3) and be used for magnetism to inhale magnet (20) of fixed busbar, anodal busbar (8) are fixed on the lower terminal surface of apron (2) through magnet (20), and negative pole busbar (9) are fixed in the bottom of holding tank (3) through magnet (20).

7. The cylindrical battery compatibility welding tool of claim 1 or 6, characterized in that: locking mechanism includes quick detach hasp I (14) and quick detach hasp II (16), and quick detach hasp I (14) and quick detach hasp II (16) all fix on carrier (1), fixed be provided with on apron (2) with quick detach hasp I (14) assorted lock sleeve I (15) and with quick detach hasp II (16) assorted lock sleeve II (17).