CN214625314U

CN214625314U - Support tool for welding battery tabs

Info

Publication number: CN214625314U
Application number: CN202120866144.0U
Authority: CN
Inventors: 王宇生
Original assignee: Tianjin EV Energies Co Ltd
Current assignee: Tianjin EV Energies Co Ltd
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2021-11-05
Anticipated expiration: 2031-04-25

Abstract

The utility model provides a be used for battery tab welded to support frock, including mounting panel, support bar, insulating separation blade, a curb plate and No. two curb plates, the mounting panel top is equipped with the mounting groove, and both ends are equipped with a curb plate and No. two curb plates respectively in the mounting groove, are equipped with a plurality of support bars and insulating separation blade between a curb plate and No. two curb plates, and a plurality of insulating separation blade and a plurality of support bar set gradually. The mounting groove is arranged at the top of the inner side face of the mounting plate, the ratio of the length of the mounting groove to the width of the mounting plate is 4:5, and the ratio of the length of the mounting groove to the width of the mounting groove is 1: 4. The utility model discloses cancel the busbar, compress tightly back lug direct weld with required series-parallel connection, alleviateed module weight, improved energy density, reduced the holistic material cost of module.

Description

Support tool for welding battery tabs

Technical Field

The utility model belongs to the battery field especially relates to a be used for battery tab welded to support frock.

Background

The state provides a new energy industry for vigorous development, promotes the development and application of new energy technology, and particularly, polymer soft package lithium ion power batteries used in new energy automobiles, hereinafter referred to as power batteries, are increasingly valued by manufacturers due to the light weight, high energy density, superior safety and other properties of the power batteries. Power battery energy density is the key parameter that is related to the car and can drives the biggest mileage, be limited to the big or small volume of passenger car itself, energy density drives the mileage more greatly, vice versa less, each producer, the institute has invested the manpower of a large amount of financial resources in this aspect, a lot of achievements have also been obtained, prior art, what electric core series-parallel connection adopted in the battery package module is laser welding technique, compress tightly required series-parallel connection utmost point ear on the busbar of 0.8 ~ 2.5mm thickness and weld, the weight of busbar can reach more than 200g in the single module, the weight of module has been increased, certain material cost has also been increased.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a support frock for battery tab welding, cancel the busbar, compress tightly back lug direct weld with required series-parallel connection, alleviateed module weight, improved energy density, reduced the holistic material cost of module.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a support frock for battery tab welded, including mounting panel, support bar, insulating separation blade, curb plate and No. two curb plates, the mounting panel top is equipped with the mounting groove, and both ends are equipped with curb plate and No. two curb plates respectively in the mounting groove, are equipped with a plurality of support bars and insulating separation blade between curb plate and No. two curb plates, and a plurality of insulating separation blades and a plurality of support bar set gradually.

Furthermore, the mounting groove is arranged at the top of the inner side face of the mounting plate, the ratio of the length of the mounting groove to the width of the mounting plate is 4:5, and the ratio of the length of the mounting groove to the width of the mounting groove is 1: 4.

Furthermore, the number of the supporting bars is 4, the number of the insulating blocking pieces is 3, one insulating blocking piece is arranged between every two supporting bars, a gap is arranged between each supporting bar and each insulating blocking piece, and the ratio of the width of each gap to the width of each supporting bar ranges from 1:6.5 to 1: 9.3.

Further, the ratio of the length of the supporting bar to the length of the insulating barrier piece is 1.7: 1; the ratio of the width of the supporting strip to the width of the insulating barrier is 7: 9.

Furthermore, the end parts of the supporting bars and the insulating blocking pieces are of conical structures.

Further, the bottom of support bar, insulating separation blade all is equipped with the joint groove, the joint groove is corresponding with the lateral wall of mounting groove for with the lateral wall joint of mounting groove, realize the location of support bar and insulating separation blade, and realize fixing between support bar, insulating separation blade and the mounting panel through the bolt.

Furthermore, the clamping groove of the supporting bar is clamped with the mounting plate, one surface of the supporting bar, which is in the same dimension with the outer side surface of the mounting plate, is used as the top surface of the supporting bar, the top surface of the supporting plate is provided with a transition step, the transition step divides the top surface of the supporting plate into a penetrating area and a welding area, the cross section of the transition step is a right-angled triangle, and the length ratio of a short right-angled side to a long right-angled side of the right-angled triangle is 1: 5; the ratio of the length of the penetration area to the welding area is 5: 9.

Furthermore, a welding groove is arranged in the welding area, and the ratio of the length of the welding groove to the width of the welding groove is 18: 1; the ratio of the depth of the welding groove to the width of the welding groove is 1: 2.

Furthermore, the supporting strips are made of red copper.

Compared with the prior art, be used for battery tab welded support frock have following advantage:

(1) the utility model is used for battery tab welded support frock cancels the busbar, compresses tightly back lug direct welding with required series-parallel connection, has alleviateed module weight, has improved energy density, has reduced the holistic material cost of module.

(2) The utility model is used for battery tab welded supports frock has set up the welding groove, prevents in the welding process that support bar and utmost point ear welding are in the same place, has avoided influencing work efficiency and product quality.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a front view of a support tool for welding battery tabs according to an embodiment of the present invention;

fig. 2 is a rear view of a support tool for welding battery tabs according to an embodiment of the present invention;

fig. 3 is a perspective view of a support tool for welding battery tabs according to an embodiment of the present invention;

fig. 4 is a perspective view of a support bar according to an embodiment of the present invention.

Description of reference numerals:

1. mounting a plate; 2. a supporting strip; 21. a clamping groove; 22. a transition step; 23. penetrating into the area; 24. a welding area; 25. welding a groove; 3. an insulating barrier sheet; 4. a first side plate; 5. a second side plate; 6. and (4) mounting the groove.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "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 used merely for convenience of description and for 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. Furthermore, the terms "first", "second", etc. 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," "second," etc. 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 otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

A support frock for battery tab welding, as shown in fig. 1-4, including mounting panel 1, support bar 2, insulating separation blade 3, curb plate 4 and No. two curb plates 5, mounting panel 1 top is equipped with mounting groove 6, and both ends are equipped with curb plate 4 and No. two curb plates 5 respectively in the mounting groove 6, are equipped with a plurality of support bars 2 and insulating separation blade 3 between curb plate 4 and No. two curb plates 5, and a plurality of insulating separation blade 3 and a plurality of support bar 2 set gradually.

The mounting groove 6 is arranged at the top of the inner side face of the mounting plate 1, the ratio of the length of the mounting groove 6 to the width of the mounting plate 1 is 4:5, and the ratio of the length of the mounting groove 6 to the width of the mounting groove 6 is 1:4, so that the support bar 2 and the insulating baffle 3 can be stably mounted on the mounting plate 1, and the subsequent welding work can be conveniently unfolded.

The number of the support bars 2 is 4, the number of the insulating blocking pieces 3 is 3, the number of the support bars 2 and the number of the insulating blocking pieces 3 can be changed along with the number of the battery module tabs, the specific number is based on the number of the tabs, one insulating blocking piece 3 is arranged between every two support bars 2, a gap is arranged between each support bar 2 and each insulating blocking piece 3, the gap can facilitate the support bars 2 to be inserted into the tabs, the ratio of the width of the gap to the width of each support bar 2 ranges from 1:6.5 to 1:9.3, the optimal range is that the expansion of welding work can be influenced by overlong and overlong, and the size of the space is also increased.

The ratio of the length of the supporting strip 2 to the length of the insulating baffle 3 is 1.7: 1; the insulating barrier 3 plays the role of insulation, and under the length, the support of the support strip 2 to the pole ear and the expansion of the subsequent welding work cannot be influenced, and the ratio of the width of the support strip 2 to the width of the insulating barrier 3 is 7: 9.

Support bar 2 and insulating separation blade 3's tip are the toper structure, are convenient for insert the utmost point ear of battery module, and support bar 2 is whole all through the chamfer processing simultaneously, avoids causing the damage to utmost point ear.

Support bar 2, insulating separation blade 3's bottom all is equipped with joint groove 21, corresponding with the lateral wall of mounting groove 6 for with the lateral wall joint of mounting groove 6, realize support bar 2 and insulating separation blade 3's location, and realize through the bolt that support bar 2, insulating separation blade 3 and mounting panel 1 between fixed.

The clamping groove 21 of the supporting bar 2 is clamped with the mounting plate 1, one surface of the supporting bar 2, which is in the same dimension with the outer side surface of the mounting plate 1, serves as the top surface of the supporting bar 2, a transition step 22 is arranged on the top surface of the supporting plate, the transition step 22 divides the top surface of the supporting plate into a penetrating area 23 and a welding area 24, the cross section of the transition step 22 is a right-angled triangle, and the length ratio of a short right-angled side to a long right-angled side of the right-angled triangle is 1: 5; the ratio of the length of the penetration area 23 and the welding area 24 is 5: 9.

The welding area 24 is provided with a welding groove 25, and the ratio of the length of the welding groove 25 to the width of the welding groove 25 is 18: 1; the ratio of the depth of the welding groove 25 to the width of the welding groove 25 is 1:2, and the welding groove 25 can prevent the lug and the support bar 2 from being welded together during welding to affect the working efficiency and quality.

The supporting strip 2 is made of red copper, and the red copper has excellent heat conductivity, ductility and corrosion resistance. The trace impurities in the red copper have serious influence on the electric conduction and heat conduction performance of the copper. Among them, titanium, phosphorus, iron, silicon, etc. significantly reduce the conductivity, while cadmium, zinc, etc. have little influence. Sulfur, selenium, tellurium and the like have low solid solubility in copper, can generate brittle compounds with copper, have little influence on the conductivity, and can reduce the processing plasticity.

A support frock for battery tab welded, theory of operation for battery tab welded supports frock through mounting panel 1 and elevating gear's fixed connection, realizes being used for battery tab welded to support the oscilaltion function of frock, and the support bar 2 of being convenient for passes utmost point ear, plays the supporting role to utmost point ear, then welds utmost point ear through the welding pressure head.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A support frock for battery tab welded, its characterized in that: including mounting panel, support bar, insulating separation blade, curb plate and No. two curb plates, the mounting panel top is equipped with the mounting groove, and both ends are equipped with curb plate and No. two curb plates in the mounting groove respectively, are equipped with a plurality of support bars and insulating separation blade between curb plate and No. two curb plates, and a plurality of insulating separation blade and a plurality of support bar set gradually.

2. The support tool for welding the battery tabs according to claim 1, wherein: the mounting groove is arranged at the top of the inner side face of the mounting plate, the ratio of the length of the mounting groove to the width of the mounting plate is 4:5, and the ratio of the length of the mounting groove to the width of the mounting groove is 1: 4.

3. The support tool for welding the battery tabs according to claim 1, wherein: the number of the supporting bars is 4, the number of the insulating blocking pieces is 3, one insulating blocking piece is arranged between every two supporting bars, a gap is arranged between each supporting bar and each insulating blocking piece, and the ratio of the width of the gap to the width of the supporting bars ranges from 1:6.5 to 1: 9.3.

4. The support tool for welding the battery tabs according to claim 1, wherein: the ratio of the length of the supporting strip to the length of the insulating baffle is 1.7: 1; the ratio of the width of the supporting strip to the width of the insulating barrier is 7: 9.

5. The support tool for welding the battery tabs according to claim 1, wherein: the end parts of the supporting bars and the insulating separation blades are of conical structures.

6. The support tool for welding the battery tabs according to claim 1, wherein: the bottom of support bar, insulating separation blade all is equipped with the joint groove, the joint groove is corresponding with the lateral wall of mounting groove for with the lateral wall joint of mounting groove, realize the location of support bar and insulating separation blade, and realize through the bolt that support bar, insulating separation blade and mounting panel between fixed.

7. The support tool for welding the battery tabs according to claim 6, wherein: the clamping groove of the supporting bar is clamped with the mounting plate, one surface of the supporting bar, which is located in the same dimension with the outer side surface of the mounting plate, serves as the top surface of the supporting bar, a transition step is arranged on the top surface of the supporting plate, the transition step divides the top surface of the supporting plate into a penetrating area and a welding area, the cross section of the transition step is a right-angled triangle, and the length ratio of a short right-angled side to a long right-angled side of the right-angled triangle is 1: 5; the ratio of the length of the penetration area to the welding area is 5: 9.

8. The support tool for welding the battery tabs according to claim 7, wherein: the welding area is provided with a welding groove, and the ratio of the length of the welding groove to the width of the welding groove is 18: 1; the ratio of the depth of the welding groove to the width of the welding groove is 1: 2.

9. The support tool for welding the battery tabs according to claim 1, wherein: the support bars are made of red copper.