CN208083738U - A kind of battery core welding wire fixture accurately controlling exposed line length - Google Patents

Abstract

The utility model discloses a kind of battery core welding wire fixtures accurately controlling exposed line length, are related to the packing technique field of lithium ion battery.It includes jig main body, several grooves consistent with the shape and size of battery core are evenly arranged on the jig main body, the groove includes battery core body recess, it is respectively arranged with negative electrode lug groove and anode ear groove at left and right sides of the upper end of the battery core body recess, the right end of the anode ear groove is provided with positive wire groove and cathode conductor groove, and positive wire groove is arranged on the top of cathode conductor groove.The width of the battery core body recess is wider 0.6~0.8mm than battery core width, and the length of battery core body recess is longer 0.1~0.3mm than battery core length.The utility model can be by the exposed allowance control of bonding wire within ± 0.5mm.

Description

A kind of battery core welding wire fixture accurately controlling exposed line length

Technical field

The utility model is related to the packing technique field of lithium ion battery, especially a kind of design and use of welding wire fixture A kind of method, and in particular to battery core welding wire fixture accurately controlling exposed line length.

Background technology

Lithium battery is one kind using lithium metal or lithium alloy as negative material, using the one-shot battery of non-aqueous electrolytic solution, With lithium ion polymer battery it is different with rechargeable battery lithium ion battery.The inventor of lithium battery is Edison.By It is very active in the chemical characteristic of lithium metal so that processing, preservation, the use of lithium metal, it is very high to environmental requirement.So Lithium battery is not applied for a long time.With the development of twentieth century end microelectric technique, the equipment of miniaturization is increasing, right Power supply proposes very high requirement.Lithium battery enters the large-scale practical stage therewith.

With the promotion of people's living standard, various electronic equipments emerge in large numbers, some electronic equipments in order to design beauty or The convenience of assembly requires the bonding wire size of battery core very high, some electronic product requirement battery cores being designed beautifully and mainboard weldering Connecing the rear intermediate conducting wire connected cannot distort；Also some electronic equipments are very high to the efficiency requirements of assembly, or have used certainly Dynamic welding equipment, the exposed tolerance+of current conducting wire 2 cannot be met the requirements, not using original manual welding mode This demand in market can be met.

Invention content

The purpose of this utility model be to provide it is a kind of can be accurate within ± 0.5mm by the exposed allowance control of bonding wire Control the battery core welding wire fixture of exposed line length.

In order to solve the problems existing in background technology, the utility model is to use following technical scheme：A kind of accurate control The battery core welding wire fixture of exposed line length is made, it includes jig main body, is evenly arranged on the jig main body several and battery core The consistent groove of shape and size, the groove include battery core body recess, the upper end left and right sides of the battery core body recess It is respectively arranged with negative electrode lug groove and anode ear groove, the right end of the anode ear groove is provided with positive wire groove and cathode Wire grooves, and positive wire groove is arranged on the top of cathode conductor groove.

As further improvement of the utility model；The width of the battery core body recess is wider than battery core width by 0.6~ The length of 0.8mm, battery core body recess are longer 0.1~0.3mm than battery core length.

As further improvement of the utility model；The width of the negative electrode lug groove and anode ear groove compares cell polar ear The centre-to-centre spacing of the wide 1~3mm of width, negative electrode lug groove and anode ear groove is identical with cell polar ear centre-to-centre spacing, negative electrode lug groove and The eccentricity of anode ear groove is wider 0.3~0.4mm than cell polar ear eccentricity.

As further improvement of the utility model；The positive wire groove extends edge on the right of battery core body recess Length and cathode conductor groove extend the length on edge on the right of battery core body recess, are led with battery core positive wire and battery core cathode Line is exposed equal sized.

After adopting the above technical scheme, the utility model has the advantages that：

Fixture is using the thinking design reverse-located, and the manufacturing tolerance of the general exposed size of manual welding conducting wire is by pole The manufacturing tolerance of the influence of the manufacturing tolerance of ear centre-to-centre spacing d, lug centre-to-centre spacing d is generally ± 2, therefore exposed after conducting wire welding The manufacturing tolerance of size preferably can only also be controlled in this level, and it is public to use this fixture that would not be manufactured by lug centre-to-centre spacing Difference influence, and it is simple in structure be easily achieved, can be by the exposed allowance control of bonding wire within ± 0.5mm.

Description of the drawings

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, other drawings may also be obtained based on these drawings.

Fig. 1 is the clamp structure schematic diagram of embodiment provided by the utility model；

Fig. 2 is the battery core positive structure schematic of embodiment provided by the utility model；

Fig. 3 is the battery core side structure schematic diagram of embodiment provided by the utility model；

Fig. 4 is the welding effect figure of embodiment provided by the utility model；

Reference numeral：

1-jig main body；2-negative electrode lug grooves；3-anode ear grooves；4-positive wire grooves；5-cathode conductors are recessed Slot；6-battery core body recess.

Specific implementation mode

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and specifically Embodiment, the present invention will be further described in detail.It should be appreciated that the specific embodiments described herein are only used To explain the utility model, it is not used to limit the utility model.

Referring to Fig. 1, present embodiment uses following technical scheme：A kind of battery core weldering accurately controlling exposed line length Wire holder, it includes jig main body 1, negative electrode lug groove 2, anode ear groove 3, positive wire groove 4,5 and of cathode conductor groove Battery core body recess 6 is evenly arranged with several grooves consistent with the shape and size of battery core on the jig main body 1, described Groove includes battery core body recess 6, and 2 He of negative electrode lug groove is respectively arranged at left and right sides of the upper end of the battery core body recess 6 The right end of anode ear groove 3, the anode ear groove 3 is provided with positive wire groove 4 and cathode conductor groove 5, and anode is led Line groove 4 is arranged on the top of cathode conductor groove 5；

Fig. 2-Fig. 3 is please referred to, the width of the battery core body recess 6 is than battery core width 0.6~0.8mm of W wide, battery core main body The length of groove 6 is than battery core length L long 0.2mm.The width W1 of the negative electrode lug groove 2 and anode ear groove 3 compares cell polar ear The centre-to-centre spacing W2 of width d1 wide 2mm, negative electrode lug groove 2 and anode ear groove 3 is identical with cell polar ear centre-to-centre spacing d2, and negative electrode lug is recessed 0.3~0.4mm of eccentricity W3 ratio cell polar ear eccentricity d3 wide of slot 2 and anode ear groove 3.The positive wire groove 4 prolongs The length L1 and cathode conductor groove 5 for stretching out edge on the right of battery core body recess extend the length on edge on the right of battery core body recess L2 is consistent with battery core positive wire and the exposed size of battery core cathode conductor.

The principles of the present invention are：

In use, face down after cell polar ear scolding tin is first put into the battery core body recess 6 of jig main body 1, it will be positive Conducting wire is put into positive wire groove 4, withstands recess edge, and cathode conductor is put into cathode conductor groove 5 after being welded, is welded Battery is taken out from groove afterwards, the effect after welding please refers to Fig. 4.

Using the fixture of the utility model, the exposed dimensional tolerance of conducting wire can be controlled from ± 2mm within ± 0.5mm.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, this practicality can be realized in other specific forms It is novel.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality Novel range is indicated by the appended claims rather than the foregoing description, it is intended that by falling in the equivalent requirements of the claims All changes in meaning and scope are embraced therein.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiment being appreciated that.

Claims (4)

1. a kind of battery core welding wire fixture accurately controlling exposed line length, which is characterized in that it includes jig main body, the fixture master Several grooves consistent with the shape and size of battery core are evenly arranged on body, the groove includes battery core body recess, described It is respectively arranged with negative electrode lug groove and anode ear groove, the right side of the anode ear groove at left and right sides of the upper end of battery core body recess End is provided with positive wire groove and cathode conductor groove, and positive wire groove is arranged on the top of cathode conductor groove.

2. a kind of battery core welding wire fixture accurately controlling exposed line length according to claim 1, which is characterized in that the electricity The width of core body recess is wider 0.6~0.8mm than battery core width, and the length of battery core body recess is longer than battery core length by 0.1~ 0.3mm。

3. a kind of battery core welding wire fixture accurately controlling exposed line length according to claim 1, which is characterized in that described negative The width of lug groove and anode ear groove is wider 1~3mm than cell polar ear width, the center of negative electrode lug groove and anode ear groove Away from identical with cell polar ear centre-to-centre spacing, the eccentricity of negative electrode lug groove and anode ear groove is wider than cell polar ear eccentricity by 0.3~ 0.4mm。

4. a kind of battery core welding wire fixture accurately controlling exposed line length according to claim 1, which is characterized in that it is described just Polar conductor groove extends the length on edge and cathode conductor groove on the right of battery core body recess and extends on the right of battery core body recess The length on edge, it is exposed equal sized with battery core positive wire and battery core cathode conductor.