CN210966555U - Punching tool for coiled battery cell lug - Google Patents

Abstract

The utility model discloses a die-cut frock of coiled electric core utmost point ear, including L type locating piece and mouth type towards the cutting piece, be provided with a plurality of bolt holes on the L type locating piece, the electric core standing groove has been seted up at L0 type locating piece up end middle part, the inside and outside both ends of L type mouth of electric core standing groove intercommunication L1 type locating piece, and be provided with the scale on the electric core standing groove, the die-cut piece of mouth type is installed at L type mouth inner of L type locating piece, is provided with the first slotted position of vertical direction and the second slotted position of horizontal direction on the mouth type towards the cutting piece, the utility model provides a die-cut frock, through bolt installation L type locating piece and mouth type towards the cutting piece, L type locating piece is fixed, and the mouth type towards the cutting piece can be according to electric core actual dimensions around, flexibly adjusts L type locating piece and the gap of mouth type towards the cutting piece, has the scale on the L type locating piece simultaneously, corresponds the scale on the L type locating piece according to electric core needs the utmost point ear size, calculates the.

Description

Punching tool for coiled battery cell lug

Technical Field

The utility model relates to an electricity core apparatus for producing field especially relates to a die-cut frock of coiling type electricity core utmost point ear.

Background

Consumer batteries such as mobile phones, bluetooth, notebook computers and the like generally adopt a single tab, and batteries such as high-rate, low-temperature and power batteries generally adopt a plurality of tabs. In a conventional multi-lug process battery cell, a plurality of lug positions need to be punched in advance by a pole piece, and then winding is carried out.

The utmost point ear position among the prior art often adopts laser cutting die to die-cut, and a laser cutting die can only correspond a model electricity core, needs many times examination paper, confirms utmost point ear interval, leads to the coiling process probably to appear utmost point ear position can not the big problem of coincidence deviation, causes the subsequent handling to rework, low in production efficiency, with high costs.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the utility model aims at providing a simple structure, convenient to use, the die-cut frock of coiling formula electricity core utmost point ear that die-cut utmost point ear error is little.

In order to realize the above purpose, the utility model discloses a technical scheme:

a punching tool for a coiled battery cell tab comprises an L-shaped positioning block and a mouth-shaped punching block;

the L-type positioning block is provided with a plurality of bolt holes, the middle part of the upper end face of the L-type positioning block is provided with a battery cell placing groove, the battery cell placing groove is communicated with the inner end and the outer end of a L-type opening of the L-type positioning block, and the battery cell placing groove is provided with scales;

the die-cut piece of type mouth is installed L type mouth inner end of L type locating piece, is provided with the first fluting position of vertical direction and the second fluting position of horizontal direction on the die-cut piece of type mouth.

Further, the bolt holes are three and are respectively located at two ends and the middle of the L-shaped positioning block.

Furthermore, the L type positioning block and the die cutting block are made of tungsten steel.

The utility model has the advantages that:

the utility model provides a die-cut frock, moreover, the steam generator is simple in structure, high durability and convenient use, it dashes the stripping and slicing to install L type locating piece and mouth type through the bolt, L type locating piece is fixed, the mouth type dashes the stripping and slicing and can control about controlling according to electric core actual size, adjust L type locating piece and the mouth type in a flexible way and dash the gap of stripping and slicing, simultaneously have the scale on L type locating piece, according to the scale on electric core needs utmost point ear size correspondence L type locating piece, calculate the length that needs die-cut, and it is die-cut to utilize the die-cut piece of mouth type, the error of the utmost point ear after the die-cut is little.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic diagram of the battery cell requiring punching of the present invention;

fig. 3 is a schematic diagram of a battery cell punching one-side tab of the present invention;

fig. 4 is a schematic diagram of the battery cell after punching one side of the tab;

fig. 5 is a schematic diagram of the battery cell of the present invention for punching another side tab;

fig. 6 is a schematic diagram of the battery cell after punching of the tabs at two sides;

in the figure, a model 1, model L positioning block, a model 11, a bolt hole, a model 12, a battery cell placing groove, a scale 13, a model 2, a mouth-shaped punching and cutting block, a model 21, a first slot, a model 22, a second slot, a model 3, a battery cell, a model 31 and a lug are shown.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further explained with reference to the accompanying drawings. In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "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 being 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.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

A winding type battery cell lug punching tool comprises L-shaped positioning blocks 1 and a mouth-shaped punching block 2 as shown in figure 1, wherein the L-shaped positioning blocks 1 are used for placing and marking a battery cell, and the mouth-shaped punching block 2 is used for punching lugs of the battery cell.

L type locating piece 1 is last to be provided with a plurality of bolt holes 11 for install L type locating piece 1 on the stamping equipment workstation, and electric core standing groove 12 has been seted up at L type locating piece 1 up end middle part, and electric core standing groove 12 communicates the inside and outside both ends of L type mouth of L type locating piece 1 for place electric core, it is spacing to electric core, and be provided with scale 13 on the electric core standing groove, be used for calculating with the die-cut utmost point ear length of mark needs.

The die-cutting block 2 is arranged at the inner end of the L die opening of the L die-positioning block 1, and the die-cutting block 2 is provided with a first slotting position 21 in the vertical direction and a second slotting position 22 in the horizontal direction, and is used for installing the die-cutting block 2 on a punching rod of punching equipment and enabling the position of the die-cutting block 2 to be adjustable.

As the optimization scheme of the embodiment, three bolt holes 11 are arranged and are respectively positioned at the two ends and the middle part of the L-shaped positioning block 1, and the L-shaped positioning block 1 and the mouth-shaped punching and cutting block 2 are made of tungsten steel.

For better understanding, the utility model discloses, following is to the theory of operation of the utility model make a complete description:

the L-type positioning block 1 is installed on the workbench of the punching equipment by bolts penetrating through the three bolt holes 11, and the die-cutting block 2 is installed on the die-cutting rod of the punching equipment by bolts penetrating through the first slot-opening position 21 and the second slot-opening position 22.

Before the tool is used for punching the battery cell, the bolts of the groove positions on the die-cutting blocks 2 are adjusted according to the actual sizes of the battery cells of different models, the die-cutting blocks 2 are moved forwards, backwards, leftwards and rightwards, and the gaps between the L-type positioning blocks 1 and the die-cutting blocks 2 are flexibly adjusted to proper positions.

The battery cell 3 to be punched is shown in fig. 2, and the tooling punches the tab 31 of the battery cell 3 into the shape shown in fig. 6.

Before punching, the die-cutting block 2 is positioned at the upper end of the L-shaped positioning block 1.

During punching, firstly, the length needing punching is calculated, the tab 31 of the battery cell 3 is placed in the battery cell placing groove 12, as shown in fig. 3, the tab needing punching is placed at the lower end of the die-cutting block 2 by using the scale 13, then the die-cutting block 2 is controlled to move downwards to punch the tab, the punched battery cell is as shown in fig. 4, then the die-cutting block 2 is enabled to return upwards, the battery cell is turned over, the tab needing punching at the other end of the battery cell is placed on the L type positioning block 1 at the lower end of the die-cutting block 2, as shown in fig. 5, finally the die-cutting block 2 is controlled to move downwards to punch the tab, and the punched battery cell is as shown in fig. 6.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (3)

1. A punching tool for a coiled battery cell tab is characterized by comprising an L-shaped positioning block (1) and an opening-shaped punching block (2);

the L-type positioning block (1) is provided with a plurality of bolt holes (11), the middle part of the upper end face of the L-type positioning block (1) is provided with a cell placing groove (12), the cell placing groove (12) is communicated with the inner end and the outer end of a L-type opening of the L-type positioning block (1), and the cell placing groove (12) is provided with scales (13);

the mouth shape is towards the cutting piece (2) and is installed L type mouthful inner of L type locating piece (1), is provided with first fluting position (21) of vertical direction and second fluting position (22) of horizontal direction on the mouth shape is towards cutting piece (2).

2. The punching tool according to claim 1, characterized in that three bolt holes (11) are arranged at two ends and in the middle of the L-shaped positioning block (1).

3. The punching tool according to claim 1, wherein the L-shaped positioning block (1) and the die-shaped punching block (2) are made of tungsten steel.

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