CN210913571U

CN210913571U - Lithium ion power battery utmost point ear packing box

Info

Publication number: CN210913571U
Application number: CN201921850034.4U
Authority: CN
Inventors: 张玉刚; 杨洪; 王张志; 张勍
Original assignee: Evergrande New Energy Technology Shenzhen Co Ltd
Current assignee: Evergrande New Energy Technology Shenzhen Co Ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-07-03
Anticipated expiration: 2029-10-30

Abstract

The utility model provides a lithium ion power battery utmost point ear packing box, including packing material box body, first lid and second lid, packing material box body is both ends opening and is used for reverse range upon range of cavity structure who places battery utmost point ear, cavity structure's cross section with battery utmost point ear's outline shape phase-match, first lid with the second lid covers respectively and closes the both ends opening part of packing material box body. The utility model discloses a packing material box body, first lid and second lid mutually support, make battery tab packing material box form a closed cavity structure that can hold a plurality of battery utmost point ears, cavity structure's cross section and battery utmost point ear's outline shape phase-match can enough guarantee that battery utmost point ear has certain activity space inside the packing material box, can not collide with the damage in the turnover transportation again.

Description

Lithium ion power battery utmost point ear packing box

Technical Field

The utility model belongs to the technical field of the battery, in particular to lithium ion power battery utmost point ear packing box.

Background

Lithium ion power batteries have the advantages of high specific energy, high cycle times, long storage time and the like, are widely applied to portable electronic equipment such as mobile phones, digital cameras and portable computers, and are also widely applied to large and medium-sized electric equipment such as electric automobiles, electric bicycles, electric tools and the like, so that the safety requirement on the lithium ion batteries is higher and higher. At present, lithium ion batteries are developing more and more towards high-capacity light and thin type.

According to current lithium ion power battery production technology mode, need carry out utmost point ear welded production process to the battery, need carry out the material loading operation to utmost point ear in this production process in-process, current automatic production line material loading needs to guarantee that utmost point ear direction of height levels, so that the manipulator sucking disc snatchs, need staff's manual work to place utmost point ear in the magazine before the welding, thereby guarantee that utmost point ear takes out the location material loading in the automation of utmost point ear welding process, this process can carry out explicit requirement to the outward appearance of utmost point ear and the mode of putting of utmost point ear in the magazine usually. However, the existing tab packaging mode is unidirectional stacking, because the tab box has no balance function, the tabs can only be manually and reversely arranged in the tab box, the stacked tabs can fall to one side, secondary operation before feeding is manually performed, appearance defects such as fingerprints, scratches and collision easily occur in the tab production process, the production efficiency of personnel is greatly reduced, the welding effect, appearance requirements and production efficiency of the battery are affected, the production difficulty is increased, the production cost is increased, the equipment utilization rate is reduced, the total production cost of the battery is increased, and even the process qualification rate and the safety performance of the lithium ion battery are affected.

Therefore, at present, a lithium ion power battery tab packaging box which can automatically perform blanking and packaging after tab processing is finished and avoid tab damage caused by excessive manual intervention is urgently needed to be developed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium ion power battery utmost point ear packing box aims at solving among the prior art utmost point ear packing box and is unfavorable for automatic packaging in the utmost point ear production process, and because the improper messenger utmost point ear of packing appears the technical problem that the outward appearance is bad, the cost of labor is high and equipment utilization is low such as the fish tail collides with easily in the use.

In order to solve the technical problem, the utility model discloses take following technical scheme:

the utility model provides a lithium ion power battery utmost point ear packing box, includes packing material box body, first lid and second lid, packing material box body is both ends opening and is used for the reverse range upon range of cavity structure who places the battery utmost point ear, the cross section of cavity structure with the outline shape phase-match of battery utmost point ear, first lid with the second lid closes respectively the both ends opening part of packing material box body.

The utility model discloses a packing material box body, first lid and second lid cooperate each other, make battery tab packing material box form a closed cavity structure that can hold a plurality of battery tabs, the cross section of cavity structure and the outline shape phase-match of battery tab, and the internal dimension of cavity structure slightly is greater than the battery tab size of placing and confirms, the specific size that is greater than can be confirmed according to the dimensional tolerance limit value of production to prevent that the size fluctuation that arouses in the utmost point ear production process from leading to can't putting into in the packing material box; meanwhile, the total thickness of the lugs placed in the packaging material box body is slightly smaller than the length of the packaging material box body, so that the lugs have proper moving amount in the packaging material box body, and the stress deformation caused by the too compact arrangement of the lugs in the packaging material box is avoided.

Further, fixing structures for fixing the first cover body and the packaging material box body are arranged on the first cover body and the packaging material box body; and the second cover body is provided with a positioning structure for positioning, matching and fixing the second cover body and the packaging material box body.

The utility model discloses a cooperation setting of packing material box body, first lid, second lid, fixed knot structure and location structure for the packing material box is sealed, and battery tab both has certain activity space inside the packing material box, can not collide with the damage again in the turnover transportation.

Further, the fixing structure comprises first protrusions arranged at four corners of the first cover body, first recesses matched with the first protrusions are arranged at corresponding positions on the packaging box body, and the first protrusions and the first recesses are arranged in a one-to-one correspondence manner. When the first cover body covers the packaging material box body, the first bulge can be pressed into the first recess, so that the clamping and fixing effects are achieved.

Furthermore, two inner walls of the opposite packaging material box body are provided with two grooves for containing tab glue at intervals, the adjacent tab glue of the battery tabs is arranged in a staggered mode, and the distance between the two grooves on the same inner wall of the packaging material box body is equal to the distance between the adjacent tab glue of the battery tabs. Two the recess is used for placing the utmost point ear of phase error setting and glues, and the automatic unloading packing of being convenient for need not artificially to put the battery utmost point ear in reverse pendulum and pile up the good order, avoids appearing bad phenomenon of outward appearance such as fingerprint, fish tail collide with because of artificial secondary in the production process.

Furthermore, the positioning structure comprises a first positioning part inserted into the groove, the first positioning part comprises a left step and a right step which are symmetrically arranged, and the left step and the right step are respectively matched, embedded and fixed with the two pairs of grooves.

Further, the left step and the right step both include integrated into one piece's first sheet layer and second sheet layer, the both ends of first sheet layer surpass the both ends of second sheet layer, first sheet layer respectively with two pairs the recess matching is inlayed fixedly.

Further, the positioning structure further comprises a second positioning part for contacting with the metal conductor of the battery tab. The deformation of the tab glue caused by the contact stress of the tab glue and the tab glue is avoided.

Further, the second positioning portion is arranged between the left step and the right step, the second positioning portion is a rectangular protrusion, and the thickness of the rectangular protrusion is larger than the heights of the left step and the right step.

Furthermore, the left step, the right step and the second positioning part all protrude out of the second cover body, and the projections of the left step, the right step and the second positioning part on the second cover body are consistent with the cross section of the cavity structure; after the second cover body is covered, the left step, the right step and the second positioning part are all accommodated in the cavity structure.

Further, the packaging box body is a plastic uptake box.

Furthermore, the second cover body is fixed with the packaging material box body through an adhesive tape or a plastic tape, so that the subsequent disassembly and use are convenient.

The utility model provides a lithium ion power battery utmost point ear packing box's beneficial effect lies in:

the utility model provides a lithium ion power battery utmost point ear packing box, through packing the material box body, first lid, the second lid, fixed knot constructs and location structure's cooperation setting, make the fine sealing of packing the material box get up, cavity structures's cross section and battery tab's outline shape phase-match, can enough guarantee that battery tab has certain activity space inside the packing material box, can not collide with the damage in the turnover transportation again, adopt the reverse mode of stacking in the material box of arranging in with utmost point ear, be favorable to the automatic packaging of utmost point ear production, need not artificially put battery tab reverse pendulum neatly and put things in good order, avoid appearing the hand mark because of the people is the secondary in the production process, the bad phenomenon of outward appearance such as fish tail is collided with.

The utility model provides a lithium ion power battery utmost point ear packing box, simple structure has, high durability and convenient use, characteristics such as external pollution are prevented in sealed, not only can be convenient for battery utmost point ear's production, the storage is deposited and the turnover transportation, can avoid moreover that the utmost point ear that the transportation arouses collides with the damage and warp the bending, can also retrieve reuse and match utmost point ear production unloading and battery production's utmost point ear material loading, the intervention operation of artificial antipodal ear product has been reduced, promote advantages such as the equipment utilization rate of relevant link, be fit for popularization and application on a large scale.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a lithium ion power battery electrode lug packing box of the present invention.

Fig. 2 is a schematic diagram of a second lid structure of the lithium ion power battery tab packaging box of the present invention.

Fig. 3 is a schematic view of a reverse stacking mode of battery tabs provided by the present invention.

Fig. 4 is a schematic diagram of a single battery tab structure in the present invention.

The designations in the figures mean:

1-packaging material box body, 11-first opening, 12-second opening, 2-first cover body, 3-second cover body, 4-battery tab, 41-metal conductor, 42-tab glue, 5-fixing structure, 51-first protrusion, 6-positioning structure, 61-first positioning part, 611-left step, 612-right step, 62-second positioning part, 7-groove, 100-first plate layer and 200-second plate layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It is to be understood that the terms "upper", "lower", "left", "right", and the like, as used herein, refer to an orientation or positional relationship based on that shown in the drawings, which is for convenience of description only, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered limiting of this patent. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise. Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

It should also be noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may for example 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.

In order to explain the technical solution of the present invention, the following detailed description is made with reference to the specific drawings and examples.

Please refer to fig. 1-4, an embodiment of the present invention provides a lithium ion power battery tab packaging box, including packaging box body 1, first lid 2 and second lid 3, packaging box body 1 is both ends open-ended and is used for the reverse range upon range of cavity structure who places battery tab 4, cavity structure's cross section and battery tab 4's outline shape phase-match, and first lid 2 and second lid 3 cover respectively and close at the both ends opening part of packaging box body 1.

It should be noted that, in the present embodiment, the cartridge body 1 includes a first opening 11 and a second opening 12 which are oppositely disposed, the first cover 2 covers the first opening 11, and the second cover 3 covers the second opening 12.

It should be noted that, in the embodiment, the packaging material box for the lithium ion power battery tab 4 is formed by mutually matching the packaging material box body 1, the first cover body 2 and the second cover body 3, so as to form a closed cavity structure capable of accommodating a plurality of battery tabs 4, the cross section of the cavity structure is matched with the outline shape of the battery tabs 4, the internal size of the packaging material box body 1 is determined according to the size of the placed tabs and must be slightly larger than the size of the tabs, and the specific size larger than the size can be determined according to the size tolerance limit value of production, so as to prevent the packaging material box from being incapable of being placed due to size fluctuation caused in the tab production process; meanwhile, the total thickness of the lugs placed in the packaging material box body 1 is slightly smaller than the length of the packaging material box body 1, so that the lugs have proper moving amount in the packaging material box, and the stress deformation caused by the too compact situation of the lugs in the packaging material box is avoided.

As shown in fig. 3 to 4, the battery tab 4 includes a metal conductor 41 and a tab glue 42, and the tab glue 42 is attached to the metal conductor 41. After a plurality of battery tabs are stacked, tab glue on any two adjacent battery tabs is not overlapped (including partial overlapping and full overlapping); the "outline shape of the battery tab 4" described herein refers to an orthographic projection of a plurality of battery tabs stacked in a stacking direction, and the orthographic projection has the same shape as the cross-sectional shape of the cavity structure.

As used herein, "a plurality" means at least 2 in number, and further from 2 to 200 in number.

In a specific embodiment of the present invention, the first lid 2 and the packaging box body 1 are provided with a fixing structure 5 for fixing the first lid 2 and the packaging box body 1; the second cover body 3 is provided with a positioning structure 6 for positioning, matching and fixing the second cover body 3 and the packaging material box body 1.

The fixing structure 5 fixes the first lid 2 and the box body 1 at the first opening 11, and the positioning structure 6 positions and fixes the second lid 3 and the box body 1 at the second opening 12. The utility model discloses a packing material box body 1, first lid 2, second lid 3 sets up through the cooperation of fixed knot structure 5 and location structure 6, make the fine sealing of packing material box get up, can enough guarantee that battery utmost point ear 4 has certain activity space inside the packing material box, can not collide with the damage in the turnover transportation again, adopt the reverse mode of stacking of utmost point ear to arrange the magazine in, be favorable to the automatic packing of utmost point ear production, need not the artificial battery utmost point ear 4 reverse pendulum neat yards up, avoid appearing the hand mark because of the artificial secondary in the production process, the bad phenomenon of appearance such as fish tail collides with.

In an embodiment of the present invention, the fixing structure 5 includes first protrusions 51 disposed at four corners of the first cover 2, a first recess (not shown in the drawings) is disposed at a corresponding position on the packaging material box body 1 and matches with the first protrusion 51, and the first protrusion 51 and the first recess are disposed in a one-to-one correspondence.

It should be noted that, in this embodiment, the first protrusions 51 are respectively disposed at four corners of the first cover body 2, and four first recesses matched with the first protrusions 51 are disposed at corresponding positions of the packaging material box body 1, so that after the first cover body 2 is covered on the packaging material box body 1, the first protrusions 51 are pressed into the first recesses, thereby playing a role of clamping and fixing. In fact, the first protrusion 51 in the present embodiment may be a cylindrical table, and the first recess may be correspondingly configured as a cylindrical hole.

The utility model discloses an in the embodiment, two inner walls that packing material box body 1 set up relatively are provided with two recesses 7 that are used for holding utmost point ear glue 42 at the equal interval, and the utmost point ear glue 42 of two adjacent battery utmost point ears 4 sets up by mistake mutually, and the interval of two recesses 7 of the same inner wall of packing material box body 1 and the utmost point ear glue 42 interval of two adjacent battery utmost point ears 4 equal.

It should be noted that in this embodiment, two grooves 7, which are arranged at intervals on two inner walls and are oppositely arranged, form two pairs of grooves 7, including a left groove pair and a right groove pair, and the grooves 7 are used for placing the tab glue 42, so that the depth and the width of the grooves 7 can be determined according to the specific size of the tab glue 42; as shown in fig. 2, the battery tabs 4 are reversely stacked, if the tab glue 42 of the first battery tab 4 is placed in the left groove pair, the tab glue 42 of the second battery tab 4 is placed in the right groove pair, the tab glue 42 of the third battery tab 4 is placed in the left groove pair, the tab glue 42 of the fourth battery tab 4 is placed in the right groove pair, the battery tabs are sequentially and orderly stacked in a reverse direction like the above manner, the tab glue 42 of the two adjacent battery tabs 4 is staggered, the stacked battery tabs 4 cannot fall to one side, automatic blanking and packaging are facilitated, the battery tabs 4 do not need to be manually reversely placed and stacked, the production efficiency is improved, and the appearance state of the battery tabs 4 is improved.

In an embodiment of the present invention, the positioning structure 6 includes a first positioning portion 61 for inserting the groove 7, the first positioning portion 61 includes a left step 611 and a right step 612 which are symmetrically disposed, and the left step 611 and the right step 612 are respectively matched and embedded with the two pairs of grooves 7.

It should be noted that, as shown in fig. 1, in this embodiment, the left step 611 corresponds to the left groove, the right step 612 corresponds to the right groove, after the second cover 3 is covered on the packaging material box body 1, the left step 611 and the left groove 7 are fixed in a matching and embedding manner, and the right step 612 and the right groove are fixed in a matching and embedding manner, so that the second cover 3 and the packaging material box body 1 are fixed in a preliminary matching and embedding manner.

In a specific embodiment of the present invention, as shown in fig. 2, the left step and the right step both include the first board layer 100 and the second board layer 200 that are integrally formed, both ends of the first board layer 100 exceed both ends of the second board layer 200, and the first board layer 100 is respectively embedded and fixed with the two pairs of grooves 7.

In an embodiment of the present invention, the positioning structure 6 further comprises a second positioning portion 62 for contacting the metal conductor 41 of the battery tab 4.

In an embodiment of the present invention, the second positioning portion 62 is disposed between the left step 611 and the right step 612, the second positioning portion 62 is a rectangular protrusion, and the thickness of the rectangular protrusion is greater than the height of the left step 611 and the height of the right step 612.

It should be noted that, the rectangular protrusion disposed between the left step 611 and the right step 612 contacts with the metal conductor 41 of the tab, so that on one hand, the deformation of the tab glue 42 caused by the contact stress between the second cover body 3 and the tab glue 42 can be prevented, and on the other hand, the matching, embedding and fixing of the second cover body 3 and the packaging material box body 1 can be firmer.

In an embodiment of the present invention, as shown in fig. 2, the left step 611, the right step 612 and the second positioning portion 62 all protrude from the second cover 3, and the projection of the three on the second cover 3 is consistent with the cross section of the cavity structure; after the second cover 3 is closed, the left step 611, the right step 612 and the second positioning portion 62 are all accommodated in the cavity structure.

In an embodiment of the present invention, the packaging box body 1 is a blister box.

In an embodiment of the present invention, the second cover 3 is fixed to the packaging material box body 1 through an adhesive tape or a plastic tape, so as to facilitate the subsequent detachment.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present invention have been explained herein using specific examples, which are presented only to assist in understanding the methods and their core concepts. It should be noted that there are infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that various improvements, decorations or changes can be made without departing from the principles of the present invention, and the technical features can be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention in other contexts without modification may be viewed as within the scope of the invention.

Claims

1. The lithium ion power battery tab packaging box is characterized by comprising a packaging box body, a first cover body and a second cover body, wherein the packaging box body is a cavity structure with openings at two ends and used for reversely stacking and placing battery tabs, the cross section of the cavity structure is matched with the outline shape of the battery tabs, and the first cover body and the second cover body are respectively covered at the openings at two ends of the packaging box body.

2. The lithium-ion power battery tab packaging cartridge of claim 1, wherein a fixing structure for fixing the first cover and the packaging cartridge body is provided on the first cover and the packaging cartridge body; and the second cover body is provided with a positioning structure for positioning, matching and fixing the second cover body and the packaging material box body.

3. The lithium-ion power battery tab packaging cartridge of claim 2, wherein the fixing structure comprises first protrusions disposed at four corners of the first cover, and the packaging cartridge body is correspondingly provided with first recesses engaged with the first protrusions, and the first protrusions and the first recesses are disposed in one-to-one correspondence.

4. The lithium ion power battery tab packaging material box according to claim 2, wherein two inner walls of the packaging material box body which are oppositely arranged are provided with two grooves for accommodating tab glue at intervals, the tab glue of two adjacent battery tabs are arranged in a staggered manner, and the distance between the two grooves of the same inner wall of the packaging material box body is equal to the distance between the tab glue of two adjacent battery tabs.

5. The lithium ion power battery tab packaging cartridge of claim 4, wherein the positioning structure comprises a first positioning portion for inserting into the groove, the first positioning portion comprises a left step and a right step which are symmetrically arranged, and the left step and the right step are respectively matched and embedded and fixed with the two pairs of grooves.

6. The lithium ion power battery tab packaging box according to claim 5, wherein the left step and the right step each comprise a first plate layer and a second plate layer which are integrally formed, two ends of the first plate layer exceed two ends of the second plate layer, and the first plate layer is respectively matched and embedded and fixed with the two pairs of grooves.

7. The lithium ion power battery tab packaging cartridge of claim 5 wherein the locating structure further comprises a second locating portion for contacting the metal conductor of the battery tab.

8. The lithium-ion power battery tab packaging cartridge of claim 7, wherein the second positioning portion is disposed between the left step and the right step, the second positioning portion being a rectangular protrusion having a thickness greater than the height of the left step and the right step.

9. The lithium-ion power battery tab packaging box according to claim 8, wherein the left step, the right step and the second positioning portion all protrude from the second cover body, and the projection of the left step, the right step and the second positioning portion on the second cover body is consistent with the cross section of the cavity structure; after the second cover body is covered, the left step, the right step and the second positioning part are all accommodated in the cavity structure.

10. The lithium-ion power battery tab packaging cartridge of claim 1, wherein the packaging cartridge body is a blister cartridge.