CN213080463U

CN213080463U - Battery tab welding mold and battery tab welding device

Info

Publication number: CN213080463U
Application number: CN202021752142.0U
Authority: CN
Inventors: 尹启腾; 余雷; 于力; 阮红林
Original assignee: Wuhan Haocheng Energy Resources Technology Co ltd
Current assignee: Wuhan Haocheng lithium Technology Co.,Ltd.
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-04-30
Anticipated expiration: 2030-08-20

Abstract

The utility model relates to a battery processing technology field discloses a battery tab welding mould and battery tab welding set. The battery tab welding die is used for positioning a tab welding sheet and a battery, the tab welding sheet comprises a connecting plate and a tab unit, the tab unit is arranged on the connecting plate, and a positioning hole is formed in the connecting plate; the battery tab welding mold comprises a battery fixing plate and a positioning plate, wherein a loading groove is formed in the battery fixing plate, and a through hole for positioning the battery is formed in the loading groove; the loading groove is provided with a positioning pin which can penetrate through the positioning hole; the positioning plate is arranged in the loading groove and used for positioning the lug unit. The utility model discloses simple structure enables utmost point ear soldering lug and does not produce when the welding and slide, realizes pinpointing utmost point ear soldering lug, improves welding precision and efficiency.

Description

Battery tab welding mold and battery tab welding device

Technical Field

The utility model relates to a battery processing technology field especially relates to a battery tab welding mould and battery tab welding set.

Background

When actually producing the battery, in order to weld utmost point ear to the battery, current laser welding tool often puts the battery on the tool earlier, welds according to putting the utmost point ear soldering lug on the battery again by hand, because the utmost point ear soldering lug of effect of power produces the removal easily during the welding, so can't accurately fix the utmost point ear soldering lug on the battery, leads to welding dimensional error great, welding efficiency low, and welding quality can't guarantee.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a battery tab welding mould, this battery tab welding mould simple structure makes utmost point ear soldering lug not produce when the welding and slides, realizes pinpointing utmost point ear soldering lug, improves welding precision and efficiency.

Another object of the utility model is to provide a battery tab welding set through using above-mentioned battery tab welding mould, realizes pinpointing utmost point ear soldering lug, improves welding precision and efficiency.

To achieve the purpose, the utility model adopts the following technical proposal:

a battery tab welding die is used for positioning a tab welding piece and a battery, wherein the tab welding piece comprises a connecting plate and a tab unit, the tab unit is arranged on the connecting plate, and a positioning hole is formed in the connecting plate; the battery tab welding mold comprises a battery fixing plate and a positioning plate, wherein a loading groove is formed in the battery fixing plate, and a through hole for positioning the battery is formed in the loading groove; the loading groove is provided with a positioning pin which can penetrate through the positioning hole; the positioning plate is arranged in the loading groove and used for positioning the lug unit.

Preferably, a limiting groove is formed in the positioning plate, and the outer wall of the tab unit can abut against the inner wall of the limiting groove.

Preferably, the connecting plate is provided with a plurality of tab units, the number of through-holes is a plurality of, and is a plurality of the through-holes are arranged in a matrix, the number of locating plates is one, the locating plates are provided with a plurality of limiting grooves, and the limiting grooves are in one-to-one correspondence with the through-holes.

Preferably, be provided with a plurality ofly on the connecting plate utmost point ear unit, the quantity of through-hole is a plurality of, and is a plurality of the through-hole is the matrix arrangement setting, the quantity of locating plate is a plurality of, and is a plurality of including first locating plate in the locating plate, one side of first locating plate is provided with the spacing groove, first locating plate and one line or one line the through-hole sets up relatively, just on the first locating plate the quantity of spacing groove is one line or one line the quantity of through-hole is the same.

Preferably, the positioning plates comprise second positioning plates, the two sides of each second positioning plate are provided with the limiting grooves, and the second positioning plates are arranged in two rows or two columns between the through holes.

Preferably, opposite side surfaces of the battery fixing plate are provided with grooves.

Preferably, battery tab welding mould still includes welding cover plate and lower welding cover plate, go up welding cover plate with the battery fixed plate can be dismantled and be connected, lower welding cover plate with the battery fixed plate can be dismantled and be connected.

Preferably, the upper welding cover plate and the lower welding cover plate are both provided with counter bores, positioning pin sleeves are arranged at positions of the battery fixing plate corresponding to the counter bores, and the positioning pin sleeves penetrate through the counter bores.

Preferably, the upper welding cover plate and the lower welding cover plate are provided with welding holes, and the welding holes are coaxial with the through holes.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a battery tab welding mould during the use, puts into the through-hole of loading groove with the battery earlier, and the locating pin on the rethread loading groove is worn to establish in the locating hole on the utmost point ear soldering lug connecting plate to fix a position the locating plate setting in loading groove utmost point ear unit, make utmost point ear soldering lug not produce when the welding and slide, realize the utmost point ear soldering lug of location accurately, improve welding precision and efficiency.

Drawings

Fig. 1 is a schematic view of the overall structure of a battery tab welding mold specifically provided by the present invention;

FIG. 2 is a schematic structural view of the present invention with the upper welding cover plate removed;

fig. 3 is a schematic structural diagram of a battery fixing plate provided by the present invention.

Wherein:

1. welding a cover plate;

2. a battery fixing plate; 21. positioning pins; 22. a loading slot; 23. a through hole;

3. positioning a plate; 31. a limiting groove; 32. a first positioning plate; 33. a second positioning plate;

4. a tab soldering lug; 41. a connecting plate; 411. positioning holes; 42. a tab unit;

5. and welding a cover plate at the lower part.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element 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 invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly and encompass, for example, both fixed and removable connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may include the first feature being in direct contact with the second feature, or may include the first feature being in direct contact with the second feature but being in contact with the second feature by another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

The utility model provides a battery tab welding set, including battery tab welding mould and anchor clamps. The battery tab welding mould is used for loading a battery and positioning a positive electrode tab welding piece and a negative electrode tab welding piece which need to be welded, and the clamp can clamp the battery tab welding mould to facilitate welding of a welding machine.

As shown in fig. 1, the battery tab welding mold provided by the embodiment includes an upper welding cover plate 1, a battery fixing plate 2 and a lower welding cover plate 5, wherein the battery, a positive electrode tab soldering piece and a negative electrode tab soldering piece are both provided with the battery fixing plate 2 for positioning, the positive electrode tab soldering piece and the negative electrode tab soldering piece are respectively located at the upper end and the lower end of the battery, and then the upper welding cover plate 1 and the lower welding cover plate 5 are respectively covered at the upper end and the lower end of the battery fixing plate 2 so as to limit the vertical direction of the positive electrode tab soldering piece and the negative electrode tab soldering piece.

Preferably, go up welding cover plate 1 and can dismantle with battery fixed plate 2 and be connected, weld cover plate 5 down and can dismantle with battery fixed plate 2 and be connected for the protection battery can not receive unnecessary injury when the welding, and can satisfy the welding to anodal utmost point ear soldering lug and negative pole utmost point ear soldering lug simultaneously, improves welding efficiency.

In order to reduce the cost of the die and facilitate the disassembly and assembly, the upper welding cover plate 1 and the lower welding cover plate 5 of the embodiment are both provided with countersunk holes, the battery fixing plate 2 is provided with positioning pin sleeves at the positions corresponding to the countersunk holes, and the positioning pin sleeves are penetrated in the countersunk holes

Wherein, for the convenient welding machine location when welding, all be provided with the welding hole on welding apron 1 and the lower welding apron 5 for weld utmost point ear soldering lug 4.

For convenience of description, the positive electrode tab and the negative electrode tab in this embodiment are collectively referred to as a tab 4, and as shown in fig. 2 to fig. 3, the tab 4 in this embodiment includes a connecting plate 41 and a tab unit 42, the tab unit 42 is disposed on the connecting plate 41, and the connecting plate 41 is provided with a positioning hole 411.

In order to realize the positioning of the tab welding piece 4 and improve the welding precision, the battery tab welding mould also comprises a battery fixing plate 2 and a positioning plate 3, wherein a loading groove 22 is arranged on the battery fixing plate 2, a through hole 23 for positioning a battery is arranged on the loading groove 22, and the through hole 23 is coaxial with the welding hole; the loading slot 22 is provided with a positioning pin 21, and the positioning pin 21 can be inserted into the positioning hole 411; the positioning plate 3 is disposed in the loading slot 22, and the positioning plate 3 is used to position the tab unit 42.

When the battery positioning device is used, a battery is placed into the through hole 23 of the loading groove 22, the positioning pin 21 arranged on the loading groove 22 penetrates through the positioning hole 411, the positioning plate 3 is arranged in the loading groove 22 to position the tab unit 42, so that the tab soldering piece 4 does not slide during welding, the tab soldering piece 4 is accurately positioned, and the welding precision and efficiency are improved.

In this embodiment, the positioning plate 3 is provided with the limiting groove 31, and the outer wall of the tab unit 42 can abut against the inner wall of the limiting groove 31, so that the tab welding piece 4 cannot rotate during welding, and the welding precision is further improved.

In order to improve the welding efficiency, the tab tabs 4 may be welded for a plurality of cells at once. The connecting plate 41 is provided with a plurality of tab units 42, the number of the through holes 23 is plural, and the plurality of through holes 23 are arranged in a matrix.

Optionally, the number of the positioning plates 3 is multiple, a first positioning plate 32 is included in the multiple positioning plates 3, one side of the first positioning plate 32 is provided with a limiting groove 31, the first positioning plate 32 is disposed opposite to one row or one column of the through holes 23, and the number of the limiting grooves 31 on the first positioning plate 32 is the same as the number of the one row or one column of the through holes 23. And the plurality of positioning plates 3 further include a second positioning plate 33, both sides of the second positioning plate 33 are provided with a limiting groove 31, and the second positioning plate 33 is disposed between two rows or two columns of through holes 23.

Of course, in other embodiments, for convenience of installation and convenience of production, only a plurality of first positioning plates 32 may be arranged, and the number of the first positioning plates 32 is the same as the number of rows or columns of the through holes 23. In other embodiments, the positioning plate 3 may be integrally formed, and a plurality of limiting grooves 31 are formed in the positioning plate, and the limiting grooves 31 are disposed in one-to-one correspondence with the through holes 23.

It should be noted that, for tab units 42 with different shapes (for example, the shape of the positive tab unit is different from that of the negative tab unit), the shape of the limiting groove 31 may be adaptively adjusted as long as the positioning of the tab units 42 can be achieved, and is not illustrated here.

In this embodiment, two opposite sides of battery fixed plate 2 are provided with the recess to alleviate whole battery tab welding mould's weight, and be convenient for take battery tab welding mould.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. A battery tab welding mold is used for positioning a tab welding piece (4) and a battery, and is characterized in that the tab welding piece (4) comprises a connecting plate (41) and a tab unit (42), the tab unit (42) is arranged on the connecting plate (41), and the connecting plate (41) is provided with a positioning hole (411); the battery tab welding mold comprises:

the battery fixing plate (2), a loading groove (22) is arranged on the battery fixing plate (2), and a through hole (23) for positioning the battery is arranged on the loading groove (22); a positioning pin (21) is arranged on the loading groove (22), and the positioning pin (21) can be arranged in the positioning hole (411) in a penetrating manner;

a positioning plate (3) disposed in the loading slot (22), the positioning plate (3) being for positioning the tab unit (42).

2. The battery tab welding mold according to claim 1, wherein a limiting groove (31) is formed in the positioning plate (3), and an outer wall of the tab unit (42) can abut against an inner wall of the limiting groove (31).

3. The battery tab welding mold according to claim 2, wherein a plurality of tab units (42) are arranged on the connecting plate (41), the number of the through holes (23) is multiple, the through holes (23) are arranged in a matrix arrangement, the number of the positioning plate (3) is one, the positioning plate (3) is provided with a plurality of limiting grooves (31), and the limiting grooves (31) and the through holes (23) are arranged in a one-to-one correspondence manner.

4. The battery tab welding mold according to claim 2, wherein a plurality of tab units (42) are arranged on the connecting plate (41), the number of the through holes (23) is plural, the plurality of through holes (23) are arranged in a matrix arrangement, the number of the positioning plates (3) is plural, the plurality of positioning plates (3) comprise a first positioning plate (32), one side of the first positioning plate (32) is provided with the limiting grooves (31), the first positioning plate (32) is arranged opposite to one row or one column of the through holes (23), and the number of the limiting grooves (31) on the first positioning plate (32) is the same as the number of one row or one column of the through holes (23).

5. The battery tab welding mold according to claim 4, wherein a second positioning plate (33) is included in the plurality of positioning plates (3), the limiting grooves (31) are provided on both sides of the second positioning plate (33), and the second positioning plate (33) is provided between two rows or two columns of the through holes (23).

6. The battery tab welding mold according to claim 1, wherein opposite side surfaces of the battery fixing plate (2) are provided with grooves.

7. The battery tab welding mold according to claim 1, further comprising an upper welding cover plate (1) and a lower welding cover plate (5), wherein the upper welding cover plate (1) is detachably connected with the battery fixing plate (2), and the lower welding cover plate (5) is detachably connected with the battery fixing plate (2).

8. The battery tab welding mold according to claim 7, wherein the upper welding cover plate (1) and the lower welding cover plate (5) are provided with counter bores, and the battery fixing plate (2) is provided with positioning pin sleeves at positions corresponding to the counter bores, and the positioning pin sleeves are arranged in the counter bores in a penetrating manner.

9. The battery tab welding mold according to claim 7, wherein the upper welding cover plate (1) and the lower welding cover plate (5) are provided with welding holes, and the welding holes are coaxial with the through holes (23).

10. A battery tab welding device, characterized by comprising a clamp and the battery tab welding mold according to any one of claims 1-9, wherein the clamp is used for fixing the battery tab welding mold.