CN216720231U

CN216720231U - Flexible pressfitting module of battery tab and battery tab plastic welding all-in-one

Info

Publication number: CN216720231U
Application number: CN202122640244.4U
Authority: CN
Inventors: 罗超彬; 朱越照; 张础稳
Original assignee: Dongguan Jisheng Automation Equipment Technology Co ltd
Current assignee: Dongguan Jisheng Automation Equipment Technology Co ltd
Priority date: 2021-10-30
Filing date: 2021-10-30
Publication date: 2022-06-10
Anticipated expiration: 2031-10-30

Abstract

The utility model belongs to the technical field of battery processing, and particularly relates to a battery tab flexible pressing module and a battery tab shaping and welding all-in-one machine.

Description

Flexible pressfitting module of battery tab and battery tab plastic welding all-in-one

Technical Field

The utility model belongs to the technical field of battery processing, and particularly relates to a flexible pressing module for a battery tab and a shaping and welding integrated machine for the battery tab.

Background

Most of soft package batteries in the market realize series-parallel connection between single battery cores through a busbar. Generally, when welding the tabs and the bus bar, the tabs of the plurality of battery cells are pressed together on the bus bar in an integral pressing manner. Because laminate polymer battery uniformity is very poor, the overlap joint is different in position and angle on the busbar after utmost point ear is bent, this just leads to these utmost point ears not in a plane, adopts the mode of whole pressfitting to lead to these utmost point ears can't paste with the busbar completely, and then leads to the problem of rosin joint, finally leads to welding effect relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a flexible pressing module for a battery tab and a reshaping and welding all-in-one machine for the battery tab, and aims to solve the technical problem that the tab cannot be completely attached to a bus bar due to integral pressing when the tab and the bus bar are welded in the prior art, so that insufficient welding is caused.

In order to achieve the above object, an embodiment of the present invention provides a flexible lamination module for battery tabs, including:

the pressing mounting substrate is provided with a processing avoiding through groove in a penetrating manner;

the flexible pressing modules are uniformly arranged around the processing avoiding through groove;

the flexible pressing module is movably arranged; the middle part of the flexible pressing module is hinged with the pressing mounting substrate and freely deflects; the front end of the flexible pressing module extends out of the processing avoiding through groove and is abutted with the pole lug of the battery, and the front end of the flexible pressing module moves up and down along with the change of the outer contour surface of the pole lug of the battery; the tail end of the flexible pressing module is elastically abutted to the pressing mounting substrate, and then elastic resetting force is generated to drive the front end of the flexible pressing module to keep pressing the electrode lug of the battery.

Optionally, a deflection base is disposed on the press-fit mounting substrate; the middle part of the deflection base is inwards sunken to form a deflection accommodating groove matched with the shape of the flexible pressing module, and the middle part of the flexible pressing module is embedded in the deflection accommodating groove and hinged with the deflection base.

Optionally, a resilient abutting seat is arranged on the press-fit mounting substrate; the middle part of the springback abutting-holding seat is inwards sunken to form a springback accommodating groove matched with the shape of the flexible pressing module, and the tail end of the flexible pressing module is embedded in the springback accommodating groove and is abutted against the springback abutting-holding seat through an elastic piece.

Optionally, the flexible lamination module comprises:

the lug pressing part is positioned at the front end of the flexible pressing module and is used for abutting against the lugs of the battery;

the deflection hinge part is positioned in the middle of the flexible laminating module and is used for being hinged with the laminating installation substrate;

and the elastic abutting part is positioned at the tail end of the flexible pressing module and is used for elastically abutting against the pressing mounting substrate.

Optionally, the tab pressing portion, the deflecting hinge portion and the elastic abutting portion are integrally formed.

Optionally, the tab pressing portion and the deflecting hinge portion are disposed on the same plane, and the deflecting hinge portion and the elastic abutting portion are disposed on different planes, so as to form a stepped structure.

Optionally, a plurality of tab pressing blocks are arranged on the tab pressing portion at intervals, the tab pressing blocks protrude outwards towards one side of a tab of the battery, and the distance between every two adjacent tab pressing blocks is equal.

One or more technical schemes in the flexible pressing module for the battery tab provided by the embodiment of the utility model at least have one of the following technical effects: when the flexible pressing module for the battery lug is used, the front end of the flexible pressing module is pressed on the lug of the battery, the flexible pressing module moves up and down according to the change of the outer contour surface of the lug of the battery, and at the moment, the tail end of the flexible pressing module is elastically abutted to the pressing mounting substrate to provide elastic supporting force for the flexible pressing module, so that the flexible pressing module can be adaptive to the outer contour shape of the lug of the battery, the lug is perfectly attached, and the fixing effect is improved.

In order to achieve the above purpose, an embodiment of the utility model provides a battery tab shaping and welding all-in-one machine, which comprises a battery tab welding and pressing mechanism, wherein the battery tab welding and pressing mechanism is provided with the battery tab flexible pressing module.

One or more technical schemes in the battery tab shaping and welding all-in-one machine provided by the embodiment of the utility model at least have one of the following technical effects: when the battery lug shaping and welding integrated machine is used, a battery is conveyed forwards through the battery conveying mechanism, positive and negative lugs of the battery on the battery conveying mechanism are shaped through the positive and negative lug continuous shaping mechanism, the battery on the battery conveying mechanism is transferred onto the battery lug welding and pressing mechanism through the battery transferring mechanism, the positive and negative lugs of the battery are pressed and fixed through the battery lug welding and pressing mechanism, and finally the positive and negative lugs of the battery are subjected to laser welding through the laser welding mechanism. Therefore, the battery tab shaping and welding integrated machine can complete the procedures of automatic conveying, automatic tab shaping and automatic welding of a battery, so that the battery tab shaping and laser welding integrated automation is realized, the welding quality of tab welding is improved, and the qualified rate of tab welding is further improved.

Drawings

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

Fig. 1 is a schematic structural diagram of a battery tab shaping and welding all-in-one machine provided by an embodiment of the utility model.

Fig. 2 is a schematic structural diagram of a positive and negative electrode lug continuous shaping mechanism according to an embodiment of the present invention.

Fig. 3 is a first perspective view of a battery tab bending module according to an embodiment of the utility model.

Fig. 4 is a second perspective view of a battery tab bending module according to an embodiment of the utility model.

Fig. 5 is a schematic structural diagram of a battery tab flattening module according to an embodiment of the present invention.

Fig. 6 is a first visual perspective view of a battery tab welding and pressing mechanism provided in an embodiment of the utility model.

Fig. 7 is a second perspective view of a battery tab welding and pressing mechanism provided in an embodiment of the utility model.

Fig. 8 is a schematic structural diagram of a battery tab flexible pressing module according to an embodiment of the present invention.

Fig. 9 is a schematic structural diagram of a flexible lamination module according to an embodiment of the present invention.

Fig. 10 is a schematic structural diagram of a battery conveying mechanism according to an embodiment of the present invention.

Fig. 11 is a schematic structural diagram of a laser welding mechanism according to an embodiment of the present invention.

Wherein, in the figures, the various reference numbers:

100. a battery transport mechanism; 110. A battery conveyor line; 120. A battery positioning unit; 130. A battery blocking module; 131. A battery blocking drive source; 132. A battery blocking lever; 140. A battery clamping module; 141. A battery clamping drive source; 142. A battery clamping block;

200. a positive and negative lug continuous shaping mechanism; 210. A battery inner tab shaping unit; 220. A battery outer tab shaping unit; 230. A battery tab bending module; 231. The tab is bent and pressed; 2311. Bending the base; 2312. Bending the pressing plate group; 2313. Bending the pressing plate array; 2314. Bending and pressing the ear block; 232. A bending position adjusting module; 2321. A bending position adjusting drive source; 23211, a first adjusting slide rail; 2322. A bending position adjusting movable seat; 233. A bending and transverse moving driving module; 2331. A bending and traversing driving source; 2332. Bending and transversely moving the base; 23321, a second adjustment slide; 2333. Bending and transversely moving the movable seat; 23331, connecting rollers; 240. A battery tab flattening module; 241. Flattening and pressing a lug; 2411. Flattening the base; 2412. Flattening the pressing seat group; 2413. Flattening the pressing seat rows; 2414. Flattening the pressing seat block; 242. A flattening longitudinal movement driving module; 2421. A flattening longitudinal movement driving source; 2422. Flattening the longitudinal base; 2423. Flattening the longitudinal movable seat; 2424. Flattening the longitudinal guide pillar; 2425. A longitudinal movement pressurizing drive source;

300. a battery tab welding and pressing mechanism; 310. The battery tab flexible pressing module; 311. Pressing the mounting substrate; 3111. Processing an avoiding through groove; 3112. A deflection base; 31121, a deflection accommodating groove; 3113. A rebound propping seat; 31131, a rebound groove; 312. A flexible press-fit module; 3121. A tab pressing part; 31211, a tab pressing block; 3122. A deflection hinge; 3123. An elastic abutting portion; 320. A tab pressing driving unit; 321. A lug pressing driving source; 322. A pole lug pressing base; 323. The lug is pressed on the movable seat; 3231. Laser avoiding holes; 324. Pressing the guide module; 3241. Pressing the guide module; 32411, a guide bar; 32412, a guide seat; 330. A pressing position adjusting unit; 331. A pressing position adjusting drive source; 332. Pressing a position adjusting base; 3321. A third adjusting slide rail; 333. Pressing a movable seat; 340. A battery charging unit; 341. A battery loading drive source; 342. A battery loading base; 3421. A fourth adjusting slide rail; 343. A battery feeding movable seat; 3431. A battery processing table;

400. a battery transfer mechanism;

500. a laser welding mechanism; 510. A galvanometer welding unit; 520. A welding height adjusting unit.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the embodiments of the present invention, and should not be construed as limiting the utility model.

In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but 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 thus, 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 embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixed or detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In one embodiment of the present invention, as shown in fig. 1, there is provided a battery tab shaping and welding all-in-one machine, including:

the battery conveying mechanism 100 is used for bearing batteries and conveying the batteries to corresponding stations in sequence;

the continuous positive and negative lug shaping mechanism 200 is erected on the battery conveying mechanism 100 and is used for shaping positive and negative lugs of a battery on the battery conveying mechanism 100;

the battery tab welding and pressing mechanism 300 is arranged adjacent to the battery conveying mechanism 100 and is used for pressing and fixing the positive and negative tabs of the battery;

the battery transferring mechanism 400 is movably arranged between the tail end of the battery conveying mechanism 100 and the battery tab welding and pressing mechanism 300, and is used for transferring the battery on the battery conveying mechanism 100 to the battery tab welding and pressing mechanism 300;

and the laser welding mechanism 500 is arranged adjacent to the battery tab welding and pressing mechanism 300 and is used for performing laser welding on the positive and negative tabs of the battery.

Specifically, when the battery tab shaping and welding all-in-one machine is used, the battery is conveyed forwards through the battery conveying mechanism 100, the positive and negative tabs of the battery on the battery conveying mechanism 100 are shaped through the positive and negative tab continuous shaping mechanism 200, the battery on the battery conveying mechanism 100 is transferred onto the battery tab welding and pressing mechanism 300 through the battery transfer mechanism 400, the positive and negative tabs of the battery are pressed and fixed through the battery tab welding and pressing mechanism 300, and finally the positive and negative tabs of the battery are subjected to laser welding through the laser welding mechanism 500. Therefore, the battery tab shaping and welding integrated machine can complete the procedures of automatic conveying, automatic tab shaping and automatic welding of a battery, so that the battery tab shaping and laser welding integrated automation is realized, the welding quality of tab welding is improved, and the qualified rate of tab welding is further improved.

In another embodiment of the present invention, as shown in fig. 2, the positive and negative electrode tab continuous shaping mechanism 200 includes, arranged in sequence along the conveying direction of the battery conveying mechanism 100:

the battery inner pole ear shaping unit 210 acts and applies pressure to a pole ear at a first side of the battery so as to bend the pole ear at the first side and attach the pole ear to the battery in parallel;

the battery outer lug shaping unit 220 acts and applies pressure to the lug on the second side of the battery so as to bend the lug on the second side and attach the lug on the first side in parallel;

the first side pole lug and the second side pole lug correspond to a positive pole lug and a negative pole lug of the battery respectively, or the first side pole lug and the second side pole lug correspond to a negative pole lug and a positive pole lug of the battery respectively.

Specifically, when the continuous shaping mechanism 200 for positive and negative electrode tabs is used, the inner tab shaping unit 210 applies pressure to the tab on the first side of the battery to bend the tab on the first side and attach the tab on the first side in parallel, and the outer tab shaping unit 220 applies pressure to the tab on the second side of the battery to bend the tab on the second side and attach the tab on the first side in parallel, so as to finish the shaping operation of the positive and negative electrode tabs of the battery. Therefore, the continuous positive and negative lug shaping mechanism 200 has respective stations for bending the positive lug and the negative lug of the battery, and the positive lug and the negative lug of the battery are bent in a step-by-step bending mode due to different bending requirements, so that the respective requirements can be met by separately bending the positive lug and the negative lug, and the bending accuracy is effectively guaranteed.

In another embodiment of the present invention, as shown in fig. 2, the battery inner tab reshaping unit 210 and the battery outer tab reshaping unit 220 have the same structure, and each unit comprises, arranged in sequence along the conveying direction of the battery conveying mechanism 100:

the battery tab bending module 230, the battery tab bending module 230 horizontally acts and transversely applies pressure to the tab on the battery so as to enable the upper end of the tab to realize bending rotation of a certain amount of angle;

and a battery tab flattening module 240, wherein the battery tab flattening module 240 vertically acts and longitudinally applies pressure to the bent tab to flatten the bent position of the tab.

Specifically, when the battery inner tab shaping unit 210 and the battery outer tab shaping unit 220 are used, the tab on the battery is bent and rotated by a fixed angle through the battery tab bending module 230, and then the bent portion of the tab is flattened through the battery tab flattening module 240. Therefore, the battery inner tab shaping unit 210 and the battery outer tab shaping unit 220 realize automatic tab bending and flattening under the mutual matching of the battery tab bending module 230 and the battery tab flattening module 240, so that the efficiency is improved, and the labor cost is saved. And set up battery tab module 230 of bending can realize carrying out the operation of bending of no displacement deviation to the utmost point ear on the battery, sets up simultaneously battery tab module 240 of flattening carries out the operation of secondary flattening to the utmost point ear on the battery, has guaranteed the smooth effect after bending, has promoted the quality of bending.

In another embodiment of the present invention, as shown in fig. 3 to 4, the battery tab bending module 230 includes:

a tab bending pressing seat 231;

a bending position adjusting module 232, a driving end of the bending position adjusting module 232 is connected with the tab bending pressing seat 231, and is used for driving the tab bending pressing seat 231 to move in the vertical direction so as to be close to the upper end of the tab;

and a bending transverse driving module 233, wherein a driving end of the bending transverse driving module 233 is connected to the bending position adjusting module 232, and is configured to drive the bending position adjusting module 232 and the tab bending pressing seat 231 to move in the horizontal direction, so that the tab bending pressing seat 231 pushes the upper end of the tab to bend and rotate.

Specifically, when the battery tab bending module 230 is used, the tab bending pressing base 231 is driven by the bending position adjusting module 232 to be close to the upper end of the tab, and then the bending transverse driving module 233 drives the bending position adjusting module 232 and the tab bending pressing base 231 to move in the horizontal direction, so that the tab bending pressing base 231 pushes the upper end of the tab to bend and rotate, and the tab is bent. Therefore, the battery tab bending module 230 can completely bend the tab in place, so that the consistency and accuracy of the bending degree can be ensured, the problem that the tab is easy to break is effectively solved, the requirement of mass production is met, and the production efficiency is improved.

In another embodiment of the present invention, as shown in fig. 3 to 4, the tab bending pressing base 231 includes a bending base 2311 and a bending pressing plate set 2312; the bending base 2311 is fixedly connected to the driving end of the bending position adjusting module 232, and the bending pressing plate set 2312 is arranged on the end face, facing the tab, of the bending base 2311 and used for abutting against the tab.

Further, the bending pressing plate group 2312 comprises two bending pressing plate rows 2313 which are longitudinally arranged, each bending pressing plate row 2313 is composed of a plurality of bending pressing lug blocks 2314 which are arranged at intervals, and the distance between every two adjacent bending pressing lug blocks 2314 in each bending pressing plate row 2313 is equal.

The bending lug pressing blocks 2314 are arranged in one-to-one correspondence with the tabs, the number of the bending lug pressing blocks 2314 is the same as that of the tabs, and the position arrangement of the bending lug pressing blocks 2314 is the same as that of the tabs.

Furthermore, the end surface of the bending lug pressing block 2314 contacting with the tab is a clinging inclined surface with the same inclination.

Specifically, the bending pressing lug blocks 2314 which are the same in number and correspond to the lugs in one-to-one mode are arranged in the bending pressing plate group 2312, so that the plurality of lugs can be simultaneously bent, the bending efficiency is effectively improved, the bending effect of each lug is consistent when the lugs are simultaneously bent, the inconsistent condition cannot occur, the precision of processed products is high, and the quality is uniform.

In another embodiment of the present invention, as shown in fig. 3 to 4, the bending position adjusting module 232 includes a bending position adjusting driving source 2321 and a bending position adjusting moving seat 2322; the bending position adjusting driving source 2321 is fixedly connected to the driving end of the bending transverse moving driving module 233; the driving end of the bending position adjusting driving source 2321 is embedded in the bending position adjusting moving seat 2322; the bending position adjusting moving seat 2322 is fixedly connected with the tab bending pressing seat 231.

The side wall of the bending position adjusting driving source 2321 is provided with a first adjusting slide rail 23211 in a protruding manner along the height direction thereof, and the bending position adjusting moving seat 2322 is slidably connected to the first adjusting slide rail 23211 and slides up and down along the first adjusting slide rail 23211.

Specifically, when the bending position adjusting module 232 works, the bending position adjusting driving source 2321 is operated to drive the bending position adjusting movable seat 2322 to slide up and down along the first adjusting slide rail 23211, and at this time, the tab bending pressing seat 231 fixed on the bending position adjusting movable seat 2322 slides up and down synchronously, so as to complete the position adjustment of the tab bending pressing seat 231. Therefore, the bending position adjusting module 232 can realize high-precision adjustment of the position of the tab bending pressing seat 231 in the vertical direction on the premise that the operation space is limited, is convenient to operate, and improves the position adjusting efficiency of the tab bending pressing seat 231 in the vertical direction.

In another embodiment of the present invention, as shown in fig. 3 to 4, the bending-traversing driving module 233 includes a bending-traversing driving source 2331, a bending-traversing base 2332, and a bending-traversing movable seat 2333; the bending and traversing movable seat 2333 is slidably connected to the bending and traversing base 2332, and the bending and traversing movable seat 2333 is fixedly connected with the bending position adjusting module 232; the bending-traversing driving source 2331 is mounted on the bending-traversing base 2332, and a driving end of the bending-traversing driving source 2331 extends into the bending-traversing base 2332 and is fixedly connected with the bending-traversing movable seat 2333.

A second adjusting slide rail 23321 is protruded from the bending-traverse base 2332 along the longitudinal direction thereof, and the bending-traverse movable block 2333 is slidably connected to the second adjusting slide rail 23321 and slides left and right along the second adjusting slide rail 23321.

Specifically, when the bending and traversing driving module 233 operates, the bending and traversing driving source 2331 operates to drive the bending and traversing movable seat 2333 to slide left and right along the second adjusting slide rail 23321, and at this time, the bending position adjusting module 232 fixed on the bending and traversing movable seat 2333 and the tab bending pressing seat 231 synchronously slide left and right along with the same, so that the tab bending pressing seat 231 is driven to perform a bending operation. Therefore, the bending and traversing driving module 233 can realize high-precision adjustment of the horizontal position of the tab bending pressing seat 231 on the premise of limited operation space, is convenient to operate, and improves the position adjustment efficiency of the tab bending pressing seat 231 along the horizontal direction.

In another embodiment of the present invention, as shown in fig. 3 to 4, a connecting roller 23331 is fixedly disposed in the bending-traversing movable seat 2333, and one end of the connecting roller 23331 extends outward from the bending-traversing movable seat 2333 and is fixedly connected to the bending position adjusting module 232. Specifically, by providing the connecting roller 23331, the mounting structure between the bending and traversing driving module 233 and the bending position adjusting module 232 is simple in structure and easy to assemble and disassemble, and the assembling and disassembling efficiency of the bending and traversing driving module 233 is improved, thereby facilitating the subsequent maintenance work.

In another embodiment of the present invention, as shown in fig. 5, the battery tab flattening module 240 includes:

a tab flattening press base 241;

and a flattening longitudinal movement driving module 242, wherein a driving end of the flattening longitudinal movement driving module 242 is connected with the tab flattening pressing base 241, and is used for driving the tab flattening pressing base 241 to move in the vertical direction.

Specifically, when the battery tab flattening module 240 is used, the flattening longitudinal movement driving module 242 drives the tab flattening pressing seat 241 to move in the vertical direction, so that the tab flattening pressing seat 241 is abutted to the bending position of the tab to complete flattening of the tab. Therefore, the battery tab flattening module 240 greatly improves the flattening precision of the tab, can ensure the consistency and accuracy of the flattening degree, meets the requirement of mass production, ensures the welding quality of the tab in the subsequent process, and improves the production efficiency.

In another embodiment of the present invention, as shown in fig. 5, the tab flattening pressing base 241 includes a flattening base 2411 and a flattening pressing base group 2412; the flattening base 2411 is fixedly connected to the driving end of the flattening longitudinal movement driving module 242, and the flattening pressing base group 2412 is arranged on the end face, facing the tab, of the flattening base 2411 and is used for abutting against the tab.

Further, the pressing seat group 2412 includes two pressing seat rows 2413 arranged longitudinally, each pressing seat row 2413 is composed of a plurality of pressing seat blocks 2414 arranged at intervals, and the distance between two adjacent pressing seat blocks 2414 in each pressing seat row 2413 is equal.

The flattening pressing seat blocks 2414 are arranged in one-to-one correspondence with the tabs, the number of the flattening pressing seat blocks 2414 is the same as that of the tabs, and the position arrangement of the flattening pressing seat blocks 2414 is the same as that of the tabs.

Specifically, through set up in the pressure seat group 2412 that flattens and be the same with utmost point ear quantity and a plurality of one-to-one flatten and press seat piece 2414, and then can flatten the operation to a plurality of utmost point ears simultaneously, improved the efficiency of flattening effectively, still make the effect of flattening of each utmost point ear unanimous when flattening simultaneously, the inconsistent condition can not appear, and the product precision that processing obtained is high, and the quality is unified.

In another embodiment of the present invention, as shown in fig. 5, the flattening longitudinal movement driving module 242 comprises a flattening longitudinal movement driving source 2421, a flattening longitudinal base 2422, a flattening longitudinal movement seat 2423 and a flattening longitudinal guide post 2424; one end of the flattening longitudinal guide pillar 2424 is connected to the flattening longitudinal base 2422, and the other end of the flattening longitudinal guide pillar 2424 is connected to the flattening longitudinal moving seat 2423, so that the flattening longitudinal moving seat 2423 is movably connected to the flattening longitudinal base 2422; the flattening longitudinal movement driving source 2421 is installed on the flattening longitudinal base 2422, and a driving end of the flattening longitudinal movement driving source 2421 extends into the flattening longitudinal base 2422 and is fixedly connected with the flattening longitudinal movement base 2423. Specifically, when the flattening longitudinal movement driving module 242 works, the flattening longitudinal movement driving source 2421 acts to drive the flattening longitudinal movement seat 2423 to slide up and down along the flattening longitudinal guide pillar 2424 relative to the flattening longitudinal base 2422, and at this time, the tab flattening pressing seat 241 fixed on the flattening longitudinal movement seat 2423 synchronously slides up and down, so as to drive the tab flattening pressing seat 241 to squeeze the tab. Therefore, the flattening longitudinal movement driving module 242 can realize high-precision adjustment of the vertical direction position of the tab flattening pressing seat 241 on the premise that the operation space is limited, is convenient to operate, and improves the position adjustment efficiency of the tab flattening pressing seat 241 along the vertical direction.

In another embodiment of the present invention, as shown in fig. 5, the flattening longitudinal movement driving module 242 further includes a longitudinal movement pressurizing driving source 2425, the longitudinal movement pressurizing driving source 2425 is installed on the flattening longitudinal base 2422 and is adjacent to the flattening longitudinal movement driving source 2421, and a driving end of the longitudinal movement pressurizing driving source 2425 extends into the flattening longitudinal base 2422 and is fixedly connected with the flattening longitudinal movement base 2423. Specifically, flatten and indulge and move drive module 242 drive utmost point ear flattens and presses seat 241 to carry out first extrusion back to utmost point ear, through setting up it can do to indulge to move pressurization driving source 2425 the utmost point ear flattens and presses seat 241 to provide great pressure again, and then extrudes once more to utmost point ear to guarantee the efficiency of the process of flattening, and can guarantee the quality of flattening.

In another embodiment of the present invention, as shown in fig. 6 to 7, the battery tab welding and pressing mechanism 300 includes:

the battery tab flexible pressing module 310 is used for flexibly pressing positive and negative tabs of a battery;

a tab pressing driving unit 320, a driving end of the tab pressing driving unit 320 is connected to the battery tab flexible pressing module 310, and is configured to drive the battery tab flexible pressing module 310 to move in a vertical direction, so that the battery tab flexible pressing module 310 is close to positive and negative tabs of a battery;

a pressing position adjusting unit 330, a driving end of the pressing position adjusting unit 330 is connected to the tab pressing driving unit 320, and is configured to drive the tab pressing driving unit 320 and the battery tab flexible pressing module 310 to move in a horizontal direction, so that the battery tab flexible pressing module 310 is matched with positive and negative tab positions of a battery;

and the battery loading unit 340, the tail end of the battery loading unit 340 is connected to the pressing position adjusting unit 330, and is used for carrying the battery and conveying the battery to the pressing position adjusting unit 330.

Specifically, when the battery tab welding and compressing mechanism 300 is used, the battery is conveyed to the pressing position adjusting unit 330 through the battery feeding unit 340, then the tab pressing driving unit 320 and the battery tab flexible pressing module 310 are driven by the pressing position adjusting unit 330 to move in the horizontal direction, so as to adjust the position of the battery tab flexible pressing module 310 on the pressing position adjusting unit 330, ensure that the positions of the battery tab flexible pressing module 310 and the positive and negative tabs of the battery are matched, i.e., the tabs are aligned, and then the battery tab flexible pressing module 310 is driven by the tab pressing driving unit 320 to approach and compress the positive and negative tabs of the battery. Therefore, the battery tab welding pressing mechanism 300 can be rapidly adjusted to accurately press and fix the positive and negative tab positions of the battery and the counter-tabs through the flexible pressing module 310 of the battery tab, so that the welded tab is difficult to weld through, the welding is firm, the welding is free of explosion points, the product reject ratio is reduced, meanwhile, the welding method is applicable to the welding of the battery tabs of various specifications, the universality is high, and the welding effect is good.

In another embodiment of the present invention, as shown in fig. 6 to 7, the tab pressing driving unit 320 includes a tab pressing driving source 321, a tab pressing base 322, a tab pressing movable base 323, and a pressing guide module 324; the tab pressing base 322 is connected to the pressing position adjusting unit 330, and the tab pressing movable base 323 is connected to the battery tab flexible pressing module 310; the pressing guide module 324 is respectively connected to the tab pressing base 322 and the tab pressing movable seat 323, so that the tab pressing movable seat 323 slides in the tab pressing base 322 along the pressing guide module 324; the tab pressing driving source 321 is installed on the tab pressing movable base 323, and a driving end of the tab pressing driving source 321 extends out of the tab pressing movable base 323 and is fixedly connected with the tab pressing base 322 to drive the tab pressing movable base 323 to move longitudinally in the tab pressing base 322. Specifically, when the tab pressing driving unit 320 works, the tab pressing driving source 321 acts to drive the tab pressing movable base 323 to slide up and down along the pressing guide module 324 relative to the tab pressing base 322, and at this time, the battery tab flexible pressing module 310 fixed on the tab pressing movable base 323 synchronously slides up and down, so as to drive the battery tab flexible pressing module 310 to perform a pressing action on a tab. Therefore, the tab pressing driving unit 320 can realize high-precision adjustment of the position of the battery tab flexible pressing module 310 in the vertical direction on the premise that the operation space is limited, is convenient to operate, and improves the position adjustment efficiency of the battery tab flexible pressing module 310 in the vertical direction.

In another embodiment of the present invention, as shown in fig. 6 to 7, the pressing guide module 324 includes a plurality of groups of pressing guide modules 3241 uniformly distributed at the edges of the tab pressing base 322 and the tab pressing movable base 323; each group of the pressing guide modules 3241 has the same structure, and includes a guide rod 32411 fixedly disposed on the tab pressing base 322 and a guide seat 32412 fixedly disposed on the tab pressing movable seat 323, and the guide rod 32411 is slidably inserted into a guide hole of the guide seat 32412. Specifically, the pressing guide module 324 is nested with the guide seat 32412 through the guide rod 32411, so that the battery tab flexible pressing module 310 can stably run in the lifting process, and the stability is good.

In another embodiment of the present invention, as shown in fig. 6 to 7, four sets of the pressing guide modules 3241 are provided, and the four sets of the pressing guide modules 3241 are centered on the tab pressing driving source 321 and uniformly distributed on the peripheral edges of the tab pressing base 322 and the tab pressing moving base 323 in a rectangular shape. Specifically, four groups of pressing guide modules 3241 are arranged, so that the battery tab flexible pressing module 310 has guide on two sides, and the two sides of the battery tab flexible pressing module 310 are uniformly stressed to prevent eccentric wear, thereby prolonging the service life.

In another embodiment of the present invention, as shown in fig. 6 to 7, a laser avoiding hole 3231 for processing by the laser welding mechanism 500 is formed in a position of the tab pressing movable seat 323 corresponding to the battery tab flexible pressing module 310.

In another embodiment of the present invention, as shown in fig. 6 to 7, the pressing position adjusting unit 330 includes a pressing position adjusting driving source 331, a pressing position adjusting base 332, and a pressing position movable seat 333; the tab pressing driving unit 320 is slidably connected to the pressing position adjusting base 332, and the pressing position movable seat 333 is fixedly connected to the tab pressing driving unit 320; the pressing position adjusting driving source 331 is installed on the pressing position adjusting base 332, and a driving end of the pressing position adjusting driving source 331 is fixedly connected with the pressing position movable seat 333.

The pressing position adjusting base 332 is provided with a third adjusting slide rail 3321 protruding along the length direction thereof, and the tab pressing driving unit 320 is slidably connected to the third adjusting slide rail 3321 and slides left and right along the third adjusting slide rail 3321.

Specifically, when the pressing position adjusting unit 330 works, the pressing position adjusting driving source 331 acts to drive the pressing position movable seat 333 and the tab pressing driving unit 320 to slide left and right along the third adjusting slide rail 3321, and at this time, the battery tab flexible pressing module 310 mounted on the tab pressing driving unit 320 slides left and right synchronously, so as to drive the battery tab flexible pressing module 310 to perform position adjustment. Therefore, the pressing position adjusting unit 330 can realize high-precision adjustment of the horizontal position of the flexible battery tab pressing module 310 on the premise of limited operation space, is convenient to operate, and improves the position adjusting efficiency of the flexible battery tab pressing module 310 along the horizontal direction.

In another embodiment of the present invention, as shown in fig. 6 to 7, the battery loading unit 340 includes a battery loading driving source 341, a battery loading base 342, and a battery loading movable seat 343; the battery loading movable seat 343 is slidably connected to the battery loading base 342; the battery loading driving source 341 is installed on the battery loading base 342, and a driving end of the battery loading driving source 341 is fixedly connected with the battery loading movable seat 343.

A fourth adjusting slide rail 3421 is convexly disposed in the battery loading base 342 along the length direction thereof, and the battery loading movable seat 343 is slidably connected to the fourth adjusting slide rail 3421 and slides back and forth along the fourth adjusting slide rail 3421.

Specifically, when the battery loading unit 340 works, the battery loading driving source 341 operates to drive the battery loading movable seat 343 to slide back and forth along the fourth adjusting slide rail 3421, and at this time, the battery placed on the battery loading movable seat 343 slides back and forth synchronously, so as to complete loading of the battery. The battery feeding unit 340 can realize automatic feeding of the battery, so that the problem that continuous feeding of the battery laser welding process is inconvenient to carry out is effectively solved, the processing time is saved, and the processing speed is increased.

In another embodiment of the present invention, as shown in fig. 6 to 7, the battery loading movable seat 343 is provided with a battery processing table 3431 for placing a battery, and the battery processing table 3431 is erected on the battery loading movable seat 343 through a plurality of support rods.

In another embodiment of the present invention, as shown in fig. 8, the battery tab flexible press-fitting module 310 includes:

a press-fit mounting substrate 311, where the press-fit mounting substrate 311 is connected to the driving end of the tab press-fit driving unit 320, and a processing avoiding through groove 3111 is formed through the press-fit mounting substrate 311;

the flexible laminating modules 312 are uniformly arranged around the processing avoiding through groove 3111;

wherein, the flexible pressing module 312 is movably arranged; the middle part of the flexible lamination module 312 is hinged with the lamination mounting substrate 311 and freely deflects; the front end of the flexible press-fit module 312 extends out of the processing avoiding through groove 3111 and abuts against the tab of the battery, and the front end of the flexible press-fit module 312 moves up and down along with the change of the outer contour surface of the tab of the battery; the tail end of the flexible pressing module 312 is elastically abutted to the pressing mounting substrate 311, so as to generate an elastic restoring force to drive the front end of the flexible pressing module 312 to keep pressing on the tab of the battery.

Specifically, when the flexible pressing module 310 for the battery tab is used, the front end of the flexible pressing module 312 presses on the tab of the battery, the flexible pressing module 312 moves up and down according to the change of the outer contour surface of the tab of the battery, and at this time, the tail end of the flexible pressing module 312 is elastically abutted to the pressing mounting substrate 311 to provide elastic supporting force for the flexible pressing module 312, so that the flexible pressing module 312 can adapt to the outer contour shape of the tab of the battery, and further perfectly fit with the tab, thereby improving the fixing effect.

In another embodiment of the present invention, as shown in fig. 8, a deflecting base 3112 is disposed on the press-fit mounting substrate 311; the middle portion of the deflecting base 3112 is recessed inward to form a deflecting accommodation groove 31121 adapted to the shape of the flexible press-fit module 312, and the middle portion of the flexible press-fit module 312 is embedded in the deflecting accommodation groove 31121 and hinged to the deflecting base 3112. Specifically, the middle portion of the flexible press-fit module 312 is embedded in the deflecting base 3112 through the deflecting accommodation groove 31121, and can freely deflect around a hinge point on the deflecting base 3112, so that the structure is simple, the implementation is easy, and the flexible press-fit module 312 and the deflecting base 3112 are tightly combined, thereby reducing the occupied space.

In another embodiment of the present invention, as shown in fig. 8, a resilient holding seat 3113 is disposed on the press-fit mounting substrate 311; the middle of the resilient holding seat 3113 is recessed inwards to form a resilient accommodating groove 31131 adapted to the shape of the flexible press-fit module 312, and the tail end of the flexible press-fit module 312 is embedded in the resilient accommodating groove 31131 and is abutted to the resilient holding seat 3113 through an elastic member. Specifically, the tail end of the flexible pressing module 312 is embedded in the resilient holding seat 3113 through the resilient receiving groove 31131, and moves longitudinally in the resilient holding seat 3113 under the action of the elastic member, so that the structure is simple and easy to implement, and the flexible pressing module 312 is tightly combined with the resilient holding seat 3113, thereby reducing the occupied space.

In another embodiment of the present invention, as shown in fig. 9, the flexible lamination module 312 includes:

the tab pressing part 3121 is located at the front end of the flexible pressing module 312, and is used for abutting against a tab of a battery;

a deflection hinge 3122, the deflection hinge 3122 is located in the middle of the flexible lamination module 312 for hinging with the lamination mounting substrate 311;

and an elastic abutting portion 3123, the elastic abutting portion 3123 is located at the tail end of the flexible lamination module 312, and is used for elastically abutting against the lamination mounting substrate 311.

Further, the tab pressing portion 3121, the deflecting hinge portion 3122, and the elastic abutting portion 3123 are integrally formed.

Further, the tab press-fitting portion 3121 and the deflecting hinge portion 3122 are disposed on the same plane, and the deflecting hinge portion 3122 and the elastic abutting portion 3123 are disposed on different planes, thereby forming a stepped structure.

Specifically, the flexible press-fit module 312 is integrally formed by the tab press-fit portion 3121, the deflection hinge portion 3122 and the elastic abutting portion 3123, and therefore, splicing and installation are not required, the product can be produced conveniently, quickly and in batch, field measurement and assembly are not required, the process of manually disassembling and assembling the product is saved, labor cost is saved, errors in manual product assembly are avoided, product quality is improved, the flexible press-fit module 312 is better in integrity and made by the integrally forming method, and product fracture is effectively avoided.

In another embodiment of the present invention, as shown in fig. 9, a plurality of tab pressing blocks 31211 are provided at intervals on the tab pressing portion 3121, the tab pressing blocks 31211 protrude outward toward one side of a tab of a battery, and the adjacent two tab pressing blocks 31211 have the same distance. Specifically, a plurality of utmost point ear pressfitting pieces 31211 and the utmost point ear one-to-one of battery, and then can carry out the pressfitting operation to a plurality of utmost point ears simultaneously, still make the pressfitting effect of each utmost point ear unanimous when the pressfitting simultaneously, improved pressfitting efficiency effectively.

In another embodiment of the present invention, as shown in fig. 10, the battery conveying mechanism 100 includes a battery conveying line 110 and a plurality of sets of battery positioning units 120 arranged at intervals along a conveying direction of the battery conveying line 110, and the battery positioning units 120 operate and restrain the batteries on the battery conveying line 110.

The battery positioning unit 120 includes a battery stopping module 130 and a battery clamping module 140 disposed at two sides of the battery conveying line 110, and a driving end of the battery stopping module 130 is located in front of a driving end of the battery clamping module 140.

Further, the battery blocking module 130 includes a battery blocking driving source 131 and a battery blocking lever 132; the battery barrier driving source 131 is installed at one side of the battery transport line 110, and the battery barrier rod 132 is connected to a driving end of the battery barrier driving source 131. Specifically, the battery blocking driving source 131 drives the end of the battery blocking rod 132 to extend into the battery transport line 110, thereby completing the blocking of the battery on the battery transport line 110.

Further, the battery clamping module 140 includes a battery clamping driving source 141 and a battery clamping block 142; the battery clamping driving source 141 is installed at one side of the battery conveying line 110, and the battery clamping block 142 is connected to a driving end of the battery clamping driving source 141. Specifically, the end of the battery clamping block 142 is driven by the battery clamping driving source 141 to extend into the battery transport line 110, and clamping of the battery on the battery transport line 110 is completed.

In another embodiment of the present invention, as shown in fig. 11, the laser welding mechanism 500 includes a galvanometer welding unit 510 and a welding height adjusting unit 520; the driving end of the welding height adjusting unit 520 is connected to the galvanometer welding unit 510, so as to drive the galvanometer welding unit 510 to move longitudinally. Specifically, when the laser welding mechanism 500 works, the galvanometer welding unit 510 is driven to move longitudinally, so as to adjust the welding range of the galvanometer welding unit 510, and then the tabs of the battery are welded by the welding action of the galvanometer welding unit 510. Therefore, the laser welding mechanism 500 is high in welding precision and adjustable in welding range, welding performance of a welding machine is improved, and automatic welding is achieved. The galvanometer welding unit 510 is a prior art known to those skilled in the art, and is not described in detail in this application.

In another embodiment of the present invention, the battery transfer mechanism 400 is a robotic arm. Specifically, the battery transferring mechanism 400 is movably arranged between the tail end of the battery conveying mechanism 100 and the battery tab welding and pressing mechanism 300, so that unmanned clamping of the battery is realized at the reserved position of the manipulator, and the labor cost is saved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a flexible pressfitting module of battery tab which characterized in that includes:

2. The flexible pressing module for battery tabs according to claim 1, characterized in that: a deflection base is arranged on the press-fit mounting substrate; the middle part of the deflection base is inwards sunken to form a deflection accommodating groove matched with the shape of the flexible pressing module, and the middle part of the flexible pressing module is embedded in the deflection accommodating groove and hinged with the deflection base.

3. The flexible pressing module for battery tabs according to claim 1, characterized in that: the press-fit mounting substrate is provided with a rebound abutting seat; the middle part of the springback abutting-holding seat is inwards sunken to form a springback accommodating groove matched with the shape of the flexible pressing module, and the tail end of the flexible pressing module is embedded in the springback accommodating groove and is abutted against the springback abutting-holding seat through an elastic piece.

4. The flexible pressing module for battery tabs according to claim 1, characterized in that: the flexible lamination module comprises:

5. The flexible pressing module for battery tabs according to claim 4, wherein: the lug pressing part, the deflection hinging part and the elastic abutting part are integrally formed.

6. The flexible pressing module for battery tabs according to claim 4, wherein: the lug pressing part and the deflection hinging part are arranged on the same plane, and the deflection hinging part and the elastic abutting part are arranged on different planes, so that a stepped structure is formed.

7. The flexible pressing module for battery tabs according to claim 4, wherein: the battery comprises a battery body, a plurality of battery lugs and a plurality of lug pressing parts, wherein the lug pressing parts are provided with a plurality of lug pressing blocks at intervals, the lug pressing blocks outwards protrude towards one side of each lug of the battery, and the distance between every two adjacent lug pressing blocks is equal.

8. An integrated machine for reshaping and welding a battery tab is characterized by comprising a battery tab welding and pressing mechanism, wherein the battery tab welding and pressing mechanism is internally provided with a battery tab flexible pressing module according to any one of claims 1-7.