CN218016405U - Square electricity core aluminium bar welding jig - Google Patents

Abstract

The utility model discloses a square electric core aluminium bar welding jig, include: the battery comprises a shell, a square battery cell, a first clamp, an aluminum bar and a second clamp; after the square battery cells are arranged, a specific welding position is positioned through the first fixture, the aluminum bar is fixed through the second fixture, the position of the aluminum bar cannot be changed during welding, the pressing force of the second fixture on the aluminum bar is relatively stable, the welding stability is improved, and the problem that the aluminum bar and a lug are welded insecurely is solved; with the assistance of the equipment, only one operator is needed for welding operation, so that the labor cost is reduced; in addition, all aluminium rows are all put into from the first welding hole of first anchor clamps, and the whole aesthetic property is better after the welding, and it has good application prospect.

Description

Square electric core aluminum bar welding clamp

Technical Field

The utility model relates to a lithium cell production auxiliary assembly technical field, more specifically the utility model relates to a square electric core aluminium bar welding jig that says so.

Background

In the production process of lithium cell, need weld utmost point ear and the aluminium row on the square electricity core, need fix the aluminium row during the welding, at present conventional welding mode has two kinds:

1. the laser welding machine is provided with a compression joint device, can be used for fixing the aluminum row, but is influenced by the size of the compression joint device, a welding mode and the shape and size of a welding part, and the application of the welding mode has certain limitation;

2. an operator manually presses the aluminum bar by using the insulating rod, and then the laser operator performs fixed-point positioning welding, which is influenced by manual operation, and the pressing pressure degree and the pressing point position in the welding process have uncertainty, so that the aluminum bar is not tightly combined with the electrode lug of the battery core, and the welding insecure conditions such as bubbling or insufficient fusion depth can be caused in the welding process; in addition, because the aluminum rows are manually placed, the aluminum rows are placed at different positions, so that the welding attractiveness of the whole body is influenced;

in view of the above, it is an urgent need in the art to provide a welding fixture that can solve all or part of the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least.

Therefore, an object of the utility model is to provide a square electric core aluminium bar welding jig, include:

the shell is hollow, an accommodating cavity is formed by the top opening of the shell, and the bottom of the accommodating cavity is a plane;

a plurality of square battery cells are arranged in the accommodating cavity and arranged in the longitudinal and transverse directions, and a lug is arranged at the top of each square battery cell; a gap is formed between the lug and the upper surface of the shell;

the first clamp is installed in the accommodating cavity and located on the upper surface of the square battery cell, a plurality of first welding holes are formed in the first clamp, and each first welding hole corresponds to the position of a tab of each two adjacent square battery cells;

the aluminum bar is in a long strip shape, can be placed into the first welding hole and covers the lugs of the two adjacent square battery cells;

the second anchor clamps are installed hold the intracavity and be located the upper surface of first anchor clamps, a plurality of second welding holes have been seted up to the second anchor clamps, the second welding hole with first welding hole position corresponds, the internal surface downwardly extending in second welding hole forms the fixed part, works as the second anchor clamps are placed when first anchor clamps are last, the fixed part with the aluminium row closely laminates.

The utility model has the advantages that:

after the square battery cells are arranged, a specific welding position is positioned through the first fixture, the aluminum bar is fixed through the second fixture, the position of the aluminum bar cannot be changed during welding, the pressing force of the second fixture on the aluminum bar is relatively stable, the welding stability is improved, and the problem that the aluminum bar and a lug are welded insecurely is solved; with the assistance of the equipment, only one operator is needed for welding operation, so that the labor cost is reduced; in addition, all aluminium rows are all put into from the first welding hole of first anchor clamps, and the whole aesthetic property is better after the welding, and it has good application prospect.

Furthermore, a positioning hole is formed in the first clamp, a positioning pin is formed in the lower surface of the second clamp, and the positioning hole corresponds to the positioning pin in position.

The locating hole and the locating pin are used for improving the installation convenience of the first clamp and the second clamp, and when the locating hole corresponds to the locating pin, the position of the second welding hole corresponds to the position of the second welding hole.

Preferably, the accommodating cavity is a cuboid accommodating cavity.

The width that holds the chamber can set up according to the integer multiple of square electric core width, and the length that holds the chamber also can set up according to the integer multiple of square electric core length, and after a plurality of square electric cores were put into and were held the chamber, can carry on spacingly and fixed through the inside wall that holds the chamber on the one hand, and on the other hand also can the maximize utilizes the space that holds the chamber.

Further, still include the layering, the second anchor clamps are placed when first anchor clamps are last, the upper surface of second anchor clamps with the upper surface parallel and level of shell, the layering covers the setting and is in the second anchor clamps with the upper surface of shell, the layering with the shell can be dismantled and be connected.

The fixed aluminium of second anchor clamps accessible self weight is arranged through the fixed part, if the fixed power of fixed part is not enough can carry out auxiliary fixation through installing the layering additional, and the layering is installed additional on the second anchor clamps, can improve the packing force of second anchor clamps greatly.

Further, the pressing strip and the upper surface of the shell are provided with screw holes, and the bolt is in threaded connection with the screw holes.

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 embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic view of a structure during welding;

FIG. 2 is a schematic view of a first clamp structure;

FIG. 3 is a schematic view of a second clamp structure;

FIG. 4 is a schematic diagram of a back structure of the second fixture;

FIG. 5 is a schematic view of an aluminum row structure;

fig. 6 is a schematic diagram of a welded square battery cell and aluminum bars (a group of aluminum bars are removed for showing tabs);

the manufacturing method comprises the following steps of 1-casing, 2-square battery cell, 3-tab, 4-first clamp, 5-first welding hole, 6-aluminum bar, 7-second clamp, 8-second welding hole, 9-fixing part, 10-positioning hole, 11-positioning pin and 12-pressing strip.

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 by referring to the drawings are exemplary intended for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "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 simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; 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 of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply 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 embodiment of the utility model discloses 6 welding jig of square electric core 2 aluminium row, include: the shell body 1 is hollow, an opening is formed in the top of the shell body 1 to form an accommodating cavity, and the bottom of the accommodating cavity is a plane; the square battery cells 2 are arranged in the containing cavity and are arranged in the longitudinal and transverse directions, and the top of each square battery cell 2 is provided with a lug 3; a gap is reserved between the lug 3 and the upper surface of the shell 1; the first clamp 4 is installed in the accommodating cavity and located on the upper surface of the square electric core 2, the first clamp 4 is provided with a plurality of first welding holes 5, and each first welding hole 5 corresponds to the position of a tab 3 of two adjacent square electric cores 2; the aluminum bar 6 is in a strip shape, and can be placed into the first welding hole 5 and cover the lugs 3 of the two adjacent square battery cells 2; second anchor clamps 7, second anchor clamps 7 are installed and are being located the upper surface of first anchor clamps 4 in holding the intracavity, and a plurality of second welding holes 8 have been seted up to second anchor clamps 7, and second welding holes 8 corresponds with first welding holes 5 position, and the internal surface downwardly extending of second welding holes 8 forms fixed part 9, and when second anchor clamps 7 were placed on first anchor clamps 4, fixed part 9 closely laminated with aluminium row 6.

In this embodiment, the first fixture 4 has a positioning hole 10, the lower surface of the second fixture 7 has a positioning pin 11, and the positioning hole 10 corresponds to the positioning pin 11.

In this embodiment, the accommodating chamber is a rectangular parallelepiped accommodating chamber.

In the embodiment, the clamping device further comprises a pressing strip 12, when the second clamp 7 is placed on the first clamp 4, the upper surface of the second clamp 7 is flush with the upper surface of the shell, the pressing strip 12 covers the upper surfaces of the second clamp 7 and the shell, and the pressing strip 12 is detachably connected with the shell.

In this embodiment, the pressing bar 12 further includes a bolt, and the pressing bar and the upper surface of the housing are provided with a screw hole, and the bolt is in threaded connection with the screw hole.

The utility model provides a square electricity core aluminium bar welding jig, a plurality of square electricity cores are arranged and are followed specific welding position of positioning through first anchor clamps, fix the aluminium bar through the second anchor clamps, the aluminium bar position can not change during welding, the second anchor clamps are also relatively stable to the packing force of aluminium bar, improved the stability of welding, avoided aluminium bar and the insecure problem of utmost point ear welding; with the assistance of the equipment, only one operator is needed for welding operation, so that the labor cost is reduced; in addition, all aluminium rows are all put into from the first welding hole of first anchor clamps, and the whole aesthetic property is better after the welding, and it has good application prospect.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

While embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (5)

1. The utility model provides a square electric core aluminium bar welding jig which characterized in that includes:

the shell is hollow, an accommodating cavity is formed by the top opening of the shell, and the bottom of the accommodating cavity is a plane;

a plurality of square battery cells are arranged in the accommodating cavity and are arranged in the longitudinal and transverse directions, and a tab is arranged at the top of each square battery cell; a gap is formed between the lug and the upper surface of the shell;

the first clamp is installed in the accommodating cavity and located on the upper surface of the square battery cell, a plurality of first welding holes are formed in the first clamp, and each first welding hole corresponds to the position of a tab of two adjacent square battery cells;

the aluminum bar is in a long strip shape, can be placed into the first welding hole and covers the lugs of the two adjacent square battery cells;

the second anchor clamps are installed hold the intracavity and be located the upper surface of first anchor clamps, a plurality of second welding holes have been seted up to the second anchor clamps, second welding hole with first welding hole position corresponds, the internal surface downwardly extending in second welding hole forms the fixed part, works as the second anchor clamps are placed when first anchor clamps are last, the fixed part with the aluminium row is closely laminated.

2. The square-cell aluminum bar welding fixture of claim 1, wherein the first fixture is provided with a positioning hole, the lower surface of the second fixture is provided with a positioning pin, and the positioning hole corresponds to the positioning pin.

3. The square-cell aluminum busbar welding fixture according to claim 1, wherein the accommodating cavities are rectangular accommodating cavities.

4. The square-cell aluminum busbar welding fixture of claim 1, further comprising a bead, wherein when the second fixture is placed on the first fixture, the upper surface of the second fixture is flush with the upper surface of the housing, the bead covers the second fixture and the upper surface of the housing, and the bead is detachably connected to the housing.

5. The square-cell aluminum busbar welding fixture according to claim 4, further comprising a bolt, wherein screw holes are formed in the upper surfaces of the pressing strip and the shell, and the bolt is in threaded connection with the screw holes.

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