CN212734801U

CN212734801U - Utmost point ear welding jig and have its welding equipment

Info

Publication number: CN212734801U
Application number: CN202021554405.7U
Authority: CN
Inventors: 项罗毅; 赵博; 王一波
Original assignee: CALB Technology Co Ltd
Current assignee: China Lithium Battery Technology Co Ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-03-19
Anticipated expiration: 2030-07-30

Abstract

The utility model relates to the technical field of batteries, a utmost point ear welding jig and have its welding equipment is proposed. The tab welding clamp comprises a substrate and a partition plate, wherein the substrate is used for placing a first battery cell; the baffle sets up in the top of base plate, is used for placing first electric core between baffle and the base plate, and one side that the base plate was kept away from to the baffle is used for placing second electric core to form the accommodation space that is used for holding bonding tool or welding seat between first electric core and second electric core. Through being provided with the baffle in the top of base plate to make the first electric core that is located the baffle both sides set up with second electric core interval, and formed the accommodation space that is used for holding bonding tool or welding seat, consequently just can realize closing the core after first electric core and the separation welding of second electric core when welding utmost point ear and switching piece, with this improvement welded reliability, and avoid causing the damage to first electric core and second electric core.

Description

Utmost point ear welding jig and have its welding equipment

Technical Field

The utility model relates to the technical field of batteries, especially, relate to a utmost point ear welding jig and have its welding equipment.

Background

In the production process of the lithium battery cell, two independent cells need to be welded on the adapter plate of the battery cover plate.

For the mode of leading out the lug from the side part of the battery, two battery cores need to be combined in the related technology, and then the connection of the lug and the adapter plate is realized, the consistency of the welding position cannot be guaranteed by the welding mode, the battery cores are easy to damage during welding, and the joint of the lug and the adapter plate is easy to break in the using process.

SUMMERY OF THE UTILITY MODEL

The utility model provides a utmost point ear welding jig and have its welding equipment to be used for supplementary utmost point ear and the welding of switching piece.

According to the utility model discloses a first aspect provides a utmost point ear welding jig, include:

the substrate is used for placing a first battery cell;

the baffle, the baffle sets up in the top of base plate, is used for placing first electric core between baffle and the base plate, and one side that the base plate was kept away from to the baffle is used for placing second electric core to form the accommodation space that is used for holding bonding tool or welding seat between first electric core and second electric core.

The utility model discloses utmost point ear welding jig is provided with the baffle through the top at the base plate to make the first electric core and the second electric core interval setting that are located the baffle both sides, and formed the accommodation space that is used for holding bonding tool or welding seat, consequently just can realize when welding utmost point ear and switching piece that first electric core and second electric core separation welding back are closing the core, improve welded reliability with this, and avoid causing the damage to first electric core and second electric core.

According to the utility model discloses a second aspect provides a welding equipment, including foretell utmost point ear welding jig.

The utility model discloses welding equipment, the top of utmost point ear welding jig's base plate is provided with the baffle to make the first electric core and the second electric core interval that are located the baffle both sides set up, and formed the accommodation space who is used for holding bonding tool or welding seat, consequently just can realize when welding utmost point ear and switching piece that first electric core and second electric core separation welding back are closing the core, improve welded reliability with this, and avoid causing the damage to first electric core and second electric core.

Drawings

The various objects, features and advantages of the present invention will become more apparent from the following detailed description of the preferred embodiments of the invention, when considered in conjunction with the accompanying drawings. The drawings are merely exemplary of the invention and are not necessarily drawn to scale. In the drawings, like reference characters designate the same or similar parts throughout the different views. Wherein:

fig. 1 is a schematic structural view of a tab welding fixture shown from a first perspective according to an exemplary embodiment;

fig. 2 is a schematic structural view of a tab welding fixture shown from a second perspective in accordance with an exemplary embodiment;

fig. 3 is a schematic structural view illustrating a third view of a tab welding fixture according to an exemplary embodiment;

fig. 4 is a schematic diagram illustrating a fourth view of a tab welding fixture according to an exemplary embodiment;

fig. 5 is a schematic structural view illustrating a fifth view of a tab welding fixture according to an exemplary embodiment;

fig. 6 is a schematic diagram illustrating a first perspective of cover plate removal for a tab welding fixture in accordance with an exemplary embodiment;

fig. 7 is a schematic diagram illustrating a second view of a cover plate removal of a tab welding fixture in accordance with an exemplary embodiment;

fig. 8 is a schematic diagram illustrating a third view of cover plate removal for a tab welding fixture in accordance with an exemplary embodiment;

fig. 9 is a schematic diagram illustrating a cover plate removal from a fourth perspective of a tab welding fixture in accordance with an exemplary embodiment;

fig. 10 is a schematic diagram illustrating a first view of a tab welding fixture placing a first cell and a second cell in accordance with an exemplary embodiment;

fig. 11 is a schematic diagram illustrating a second view of a tab welding fixture placing a first cell and a second cell in accordance with an exemplary embodiment;

fig. 12 is a schematic diagram illustrating a third view of a tab welding fixture with a first cell and a second cell placed therein, according to an exemplary embodiment;

fig. 13 is a schematic diagram illustrating a fourth view of a tab welding fixture with a first cell and a second cell disposed therein, in accordance with an exemplary embodiment;

fig. 14 is a schematic diagram illustrating a fifth view of a tab welding fixture with a first cell and a second cell placed thereon according to an exemplary embodiment.

The reference numerals are explained below:

1. a first cell; 2. a second cell; 3. a battery cover plate; 4. an accommodating space; 10. a substrate; 11. a switching part; 12. a second limiting part; 13. a support block; 131. connecting columns; 20. a partition plate; 21. a first limiting part; 30. a cover plate; 40. a tab compression assembly; 41. avoiding the opening; 42. a first platen; 43. a second platen; 44. a hasp lock; 441. a lock seat; 442. buckling; 443. a hook is clamped; 45. a first connecting shaft; 46. a second connecting shaft; 50. a support portion; 60. a compression block; 61. a groove; 70. an elastic member; 71. a guide post; 80. a positioning part; 81. and (6) positioning a groove.

Detailed Description

Exemplary embodiments that embody features and advantages of the invention are described in detail below. It is to be understood that the invention is capable of other and different embodiments and its several details are capable of modification without departing from the scope of the invention, and that the description and drawings are to be regarded as illustrative in nature and not as restrictive.

In the following description of various exemplary embodiments of the invention, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration various exemplary structures, systems, and steps in which aspects of the invention may be practiced. It is to be understood that other specific arrangements of parts, structures, example devices, systems, and steps may be utilized and structural and functional modifications may be made without departing from the scope of the present invention. Moreover, although the terms "over," "between," "within," and the like may be used in this specification to describe various example features and elements of the invention, these terms are used herein for convenience only, e.g., in accordance with the orientation of the examples in the figures. Nothing in this specification should be construed as requiring a specific three dimensional orientation of structures to fall within the scope of the invention.

An embodiment of the utility model provides a utmost point ear welding jig, please refer to fig. 1 to 14, utmost point ear welding jig includes: a substrate 10, wherein the substrate 10 is used for placing a first battery cell 1; the separator 20 is arranged above the substrate 10, the first battery cell 1 is arranged between the separator 20 and the substrate 10, the second battery cell 2 is arranged on one side of the separator 20 away from the substrate 10, and a containing space 4 for containing a welding head or a welding seat is formed between the first battery cell 1 and the second battery cell 2.

The utility model discloses utmost point ear welding jig of an embodiment is provided with baffle 20 through the top at base plate 10 to make the first electricity core 1 that is located baffle 20 both sides set up with 2 intervals of second electricity core, and formed the accommodation space 4 that is used for holding bonding tool or welding seat, consequently just can realize when welding utmost point ear and switching piece that first electricity core 1 closes the core with 2 separation welding backs, with this improvement welded reliability, and avoid causing the damage to first electricity core 1 and second electricity core 2.

It should be noted that, after the first electrical core 1 is placed on the substrate 10 and the second electrical core 2 is placed on the separator 20, at this time, an opening of the accommodating space 4 formed between the first electrical core 1 and the second electrical core 2 faces a first tab of the first electrical core 1 and a second tab of the second electrical core 2, that is, the first tab of the first electrical core 1 and the second tab of the second electrical core 2 are both bent toward the accommodating space 4, so that the adapter sheet of the battery cover plate 3 can be simultaneously connected with the first tab and the second tab, at this time, the adapter sheet of the battery cover plate 3 can be located on one side of the first tab and the second tab, which is away from the accommodating space 4, and when the welding seat is located in the accommodating space 4, the welding seat is in contact with the first tab and the second tab, so as to form a support. Alternatively, the adapter sheet of the battery cover plate 3 may be located on the side of the first tab and the second tab facing the accommodating space 4, and the welding seat contacts with the adapter sheet to form a support. After the adapter sheet is welded with the first tab and the second tab, the first tab and the second tab are deformed by combining the first battery cell 1 and the second battery cell 2, namely, in the process of combining the first battery cell 1 and the second battery cell 2, so that the first battery cell 1 and the second battery cell 2 are ensured to be combined, namely, the first tab and the second tab share one adapter sheet.

In one embodiment, as shown in fig. 14, a projection of the separator 20 toward the substrate 10 is located at a middle position of the substrate 10, so that two independent accommodating spaces 4 are formed between the first electrical core 1 and the second electrical core 2, and thus welding heads or welding seats can be arranged on both left and right sides of the separator 20, that is, two side portions of the first electrical core 1 respectively have two first tabs, two side portions of the second electrical core 2 respectively have two second tabs, and two adapter pieces are used for welding, so as to ensure that the first tab and the second tab of each side portion are respectively welded with one adapter piece. It should be noted that, two lateral portions of the first electrical core 1 are provided with the first tabs, which can be understood as positive tabs and negative tabs, and correspondingly, two lateral portions of the second electrical core 2 are provided with the second tabs, and the two adapter pieces of the battery cover plate 3 are respectively connected to the two pairs of first tabs and the two pairs of second tabs, i.e. two times of welding in two different directions are required, so that the two accommodating spaces 4 are required to be provided for the welding of the welding socket.

It should be noted that, the central position of the substrate 10 is not particularly specified to the central position of the substrate 10, and on the premise that the partition board 20 stably supports the second electric core 2, the left and right sides of the partition board 20 are provided with the accommodating spaces 4, that is, it is ensured that two accommodating spaces 4 are formed between the first electric core 1 and the second electric core 2, and the accommodating spaces 4 are independently arranged at intervals.

In one embodiment, as shown in fig. 1, an adapter 11 is disposed on the substrate 10, and the partition 20 is disposed at an end of the adapter 11 away from the substrate 10; the partition board 20 is rotatably disposed relative to the adapter 11, so that when the first battery cell 1 is placed, the partition board 20 can be rotated, so that the first battery cell 1 can be placed above the substrate 10.

Specifically, since the partition board 20 is located above the substrate 10, when the first battery cell 1 is placed, the partition board 20 needs to be moved, and at this time, the partition board 20 is rotated to release the upper space of the substrate 10, so as to ensure that the first battery cell 1 can be quickly placed on the substrate 10.

In one embodiment, the partition board 20 and the adapter 11 are only hinged, that is, the adapter 11 does not form a limit to the partition board 20, and when the first battery cell 1 is not placed on the substrate 10, the free end of the partition board 20 away from the adapter 11 is in contact with the substrate 10. Or, a limiting structure is provided between the partition board 20 and the adaptor portion 11, that is, when the first electrical core 1 is not placed on the substrate 10, the free end of the partition board 20 away from the adaptor portion 11 is spaced from the substrate 10, the partition board 20 is in a suspension state, and at this time, the free end of the partition board 20 can rotate towards the side away from the substrate 10.

In one embodiment, as shown in fig. 1 and fig. 6, an adapter 11 is disposed on a substrate 10, a partition plate 20 is disposed on one side of the adapter 11 away from the substrate 10, and a first limiting portion 21 is disposed on the partition plate 20, where the first limiting portion 21 is configured to be in limiting contact with a second electrical core 2; the adapter 11 is used for limiting contact with the first battery cell 1; and/or a second limiting part 12 is arranged on the substrate 10, and the second limiting part 12 is used for limiting contact with the first battery cell 1. The first limiting portion 21 and the switching portion 11 and/or the second limiting portion 12 are respectively in contact with the second battery cell 2 and the first battery cell 1, so that limiting is achieved, and the position fixation of the second battery cell 2 and the first battery cell 1 in the welding process is guaranteed.

It should be noted that the adapter 11, the first position-limiting portion 21, and the second position-limiting portion 12 are all located on the same side.

In one embodiment, the adaptor 11 connects the partition board 20 to the substrate 10, and the adaptor 11 may also contact the first battery cell 1, so as to form a limit for the first battery cell 1.

In one embodiment, the adapting portion 11 connects the partition board 20 to the substrate 10, and the adapting portion 11 may also contact with the first electrical core 1, the number of the second limiting portions 12 is at least two, and the second limiting portions 12 are disposed on both sides of the adapting portion 11, and the second limiting portions 12 contact with the first electrical core 1, that is, the adapting portion 11 and the second limiting portions 12 are simultaneously used for limiting the first electrical core 1.

In one embodiment, as shown in fig. 6, 8 and 12, the tab welding jig further includes: a support part 50, the support part 50 being disposed on the substrate 10; a pressing block 60, the pressing block 60 being movably disposed with respect to the substrate 10; the elastic piece 70 and the elastic piece 70 are clamped between the supporting part 50 and the pressing block 60, so that pretightening force can be applied to the pressing block 60, and the pressing block 60 is guaranteed to reliably press the battery cover plate 3.

It should be noted that, referring to fig. 6, fig. 10 and fig. 11, the first position-limiting portion 21 and the second position-limiting portion 12 are configured to contact one side of the second battery cell 2 and the first battery cell 1, and the pressing block 60 is configured to contact the battery cover plate 3 located on the other side of the second battery cell 2 and the first battery cell 1, so that the second battery cell 2, the first battery cell 1 and the battery cover plate 3 can be stably clamped between the first position-limiting portion 21 and the second position-limiting portion 12 and the pressing block 60.

In one embodiment, as shown in fig. 8, a guide post 71 is disposed on the supporting portion 50, one end of the guide post 71 is inserted into the pressing block 60, and the elastic member 70 is sleeved on the guide post 71, so that the elastic member 70 is sandwiched between the supporting portion 50 and the pressing block 60, and the pressing block 60 can move relative to the guide post 71.

In one embodiment, the elastic member 70 may be a spring, but may also be an elastic member such as a rubber sleeve.

In one embodiment, as shown in fig. 6, the tab welding jig further includes: the positioning parts 80 are arranged in pairs, two positioning parts 80 in the pair are arranged on the base plate 10 at intervals, the supporting part 50 is connected with the two positioning parts 80, and the pressing block 60 is arranged between the two positioning parts 80; wherein, one side of location portion 80 towards battery apron 3 is provided with constant head tank 81, and two constant head tanks 81 of two location portions 80 are used for fixing a position battery apron 3 to guarantee that battery apron 3 is alignment fast.

Specifically, with reference to fig. 6 and 10, the two positioning portions 80 are positioning blocks and have positioning grooves 81, and the positioning grooves 81 have three wall surfaces, so that the two positioning portions 80 and the space between the two positioning portions 80 form a U-shaped space, thereby positioning the battery cover plate 3, that is, two ends of the battery cover plate 3 are respectively in contact with the two positioning portions 80, and the pressing block 60 is pressed on the battery cover plate 3. In consideration of the structure of the battery cover plate 3, the surface of the pressing block 60 contacting the battery cover plate 3 is not necessarily on the same horizontal plane as the surface of the positioning part 80 contacting the battery cover plate 3.

In one embodiment, as shown in fig. 6 and 8, a groove 61 is provided on a side of the pressing block 60 facing the battery cover plate 3, and the groove 61 is used to be disposed opposite to the explosion-proof hole of the battery cover plate 3, so as to ensure that the explosion-proof membrane in the explosion-proof hole can be normally exploded without being stopped by the pressing block 60. In addition, the arrangement of the groove 61 can facilitate the hand of an operator to extend into the groove so as to perform necessary operation.

In one embodiment, the hold-down 60 is located opposite the free end of the partition 20, i.e. the notch of the groove 61 is facing the free end of the partition 20.

In one embodiment, as shown in fig. 1 to 4, the tab welding jig further includes: the cover plate 30 is arranged above the partition plate 20, the second battery cell 2 is arranged between the cover plate 30 and the partition plate 20, and the cover plate 30 can form top protection for the second battery cell 2 to ensure that the second battery cell 2 is located in a reliable space.

In one embodiment, the separator 20 is in contact with the first cell 1, and the cover 30 is in contact with the second cell 2, i.e., the substrate 10, the separator 20, and the cover 30 form a fixation for the first cell 1 and the second cell 2. Alternatively, the separator 20 is spaced from the first battery cell 1, and the cover 30 is spaced from the second battery cell 2, which is not limited herein and can be selected according to the actual use situation.

In one embodiment, as shown in fig. 1 to 4, the tab welding jig further includes: the tab compressing assembly 40 is used for connecting the substrate 10 and the cover plate 30, and the tab compressing assembly 40 is used for bending a first tab of the first electric core 1 and a second tab of the second electric core 2; wherein, utmost point ear compresses tightly subassembly 40 and is formed with dodge opening 41, dodges opening 41 and accommodation space 4 and sets up relatively to avoid influencing the welding, can not make the welding in-process compress tightly subassembly 40 to utmost point ear and cause the damage promptly.

It should be noted that, the first tab of the first electrical core 1 and the second tab of the second electrical core 2 are linear tabs before being placed into the tab welding fixture, it can be understood that the extending direction of the first tab is consistent with the length direction of the first electrical core 1, the extending direction of the second tab is consistent with the length direction of the second electrical core 2, after being placed into the tab welding fixture, the linear tabs are bent into bending tabs through the tab compressing assembly 40, so that the portion of the first tab and the portion of the second tab are opposite to the opening of the accommodating space 4, and thus the tabs can be welded with the adapter sheet of the battery cover plate 3, that is, the first tab, the second tab and the adapter sheet can be opposite to the welding seat and the welding head, and it is ensured that the welding seat can support the first tab, the second tab and the adapter sheet.

It should be noted that, as shown in fig. 14, the avoiding opening 41 is disposed opposite to the accommodating space 4, that is, a first tab, a second tab and an adaptor to be welded are disposed between the avoiding opening 41 and the accommodating space 4, the welding seat and the welding head are respectively located inside and outside the accommodating space 4, and the welding head welds the first tab, the second tab and the adaptor after passing through the avoiding opening 41. The shape of the avoidance opening 41 is not limited as long as the avoidance of the welding position of the first tab, the second tab and the adapter plate is ensured.

In one embodiment, the tab compressing assemblies 40 are two, that is, the tab compressing assemblies 40 are connected to both ends of the base plate 10 and the cover plate 30, and are used for bending two first tabs and two second tabs, respectively.

In one embodiment, as shown in fig. 6 and 10, the tab compressing assembly 40 includes: the first pressing plate 42 is connected to the base plate 10, and is detachably connected to the cover plate 30, and the first pressing plate 42 is used for bending the first tab; a second pressing plate 43, wherein the second pressing plate 43 is connected to the cover plate 30 and detachably connected with the substrate 10, and the second pressing plate 43 is used for bending the second lug; wherein an escape opening 41 is formed between the first pressure plate 42 and the second pressure plate 43. The second pressing plate 43 is located above the first pressing plate 42, so that the first pressing plate 42 and the second pressing plate 43 can respectively bend the first tab and the second tab, thereby improving the bending efficiency of the tabs.

In one embodiment, the first pressing plate 42 and the second pressing plate 43 are structural identical parts, and the tab compressing assembly 40 further includes: the snap locks 44, the first pressure plate 42 and the second pressure plate 43 are respectively clamped with the cover plate 30 and the base plate 10 through the two snap locks 44, so that the cover plate 30 and the base plate 10 can be quickly separated, namely, only the snap locks 44 need to be opened.

In one embodiment, as shown in fig. 9, the buckle 44 includes a lock seat 441, a buckle 442 and a hook 443, the lock seat 441 and the hook 443 are respectively connected to the first pressing plate 42 and the cover plate 30, the buckle 442 is connected to the lock seat 441, and the buckle 442 is moved by rotating the lock seat 441, so that the buckle 442 is clamped or released from the hook 443. Accordingly, the lock seat 441 and the hook 443 are respectively connected to the second pressing plate 43 and the substrate 10, and the buckle 442 is driven to move by rotating the lock seat 441, so that the buckle 442 is clamped or released with the hook 443.

In one embodiment, as shown in fig. 6, the first pressing plate 42 is provided with a first connecting shaft 45, and the first pressing plate 42 is rotatably connected to the base plate 10 through the first connecting shaft 45; the second pressing plate 43 is provided with a second connecting shaft 46, and the second pressing plate 43 is rotatably connected to the cover plate 30 through the second connecting shaft 46. The first pressing plate 42 and the second pressing plate 43 are both rotatable, so that the first tab and the second tab can be bent by respectively rotating the first pressing plate 42 and the second pressing plate 43.

Specifically, when the tab welding fixture is placed in the first electric core 1 and the second electric core 2, the first pressing plate 42 and the second pressing plate 43 are both in an open state, that is, the installation of the first electric core 1 and the second electric core 2 is not hindered, after the first electric core 1 and the second electric core 2 are installed, by rotating the first pressing plate 42 and the second pressing plate 43, the first pressing plate 42 and the second pressing plate 43 respectively drive the first tab and the second tab to be bent, and then the first pressing plate 42 and the second pressing plate 43 are locked, so that on the basis of realizing bending, the tab welding fixture also forms a fixed clamping space, that is, the clamping space is formed by the substrate 10, the cover plate 30 and the two tab pressing assemblies 40.

In one embodiment, the length of the avoidance opening 41 in the preset direction is smaller than that of the first tab in the preset direction, and the length of the avoidance opening 41 in the preset direction is smaller than that of the second tab in the preset direction; the predetermined direction is parallel to a surface of the first electrical core 1 facing the second electrical core 2. In the process of bending the first tab and the second tab, it is necessary to ensure that the first pressing plate 42 and the second pressing plate 43 can stably contact the first tab and the second tab, so that the first tab and the second tab cannot be extended from the avoiding opening 41, and the first tab and the second tab are bent when the first pressing plate 42 and the second pressing plate 43 move.

Specifically, for example, the preset direction is a length direction of the avoidance opening 41, and it can be understood from fig. 6 that the preset direction is a horizontal direction, the length dimension of the avoidance opening 41 needs to be smaller than the length dimension of the horizontal direction of the first tab, and the length dimension of the avoidance opening 41 needs to be smaller than the length dimension of the horizontal direction of the second tab, so that when the first pressing plate 42 and the second pressing plate 43 are rotated, the first pressing plate 42 can be ensured to contact with the left and right sides of the horizontal direction of the first tab, and the second pressing plate 43 can contact with the left and right sides of the horizontal direction of the second tab, so that the first tab and the second tab can be stably bent.

In an embodiment, the length of the avoidance opening 41 in the preset direction and the length of the first tab in the preset direction are less than the length of the second tab in the preset direction, and the length of the avoidance opening 41 in the preset direction is not limited, but it is required to ensure that one end of the first tab and one end of the second tab are located at a position not directly opposite to the avoidance opening 41, that is, the first tab and the second tab cannot penetrate through the avoidance opening 41, so that it is also ensured that the first pressing plate 42 and the second pressing plate 43 can contact the first tab and the second tab, and thus the first tab and the second tab are bent.

In one embodiment, as shown in fig. 2, 5 and 7, the substrate 10 is provided with a supporting block 13, and the cover plate 30 is disposed at an end of the supporting block 13 away from the substrate 10; the support block 13 is rotatably disposed relative to the base plate 10, so that the cover plate 30 is released above the separator 20 when the first cell 1 and the second cell 2 are placed.

In one embodiment, as shown in fig. 6, the cover plate 30 is fixedly connected by a connection post 131 on the support block 13.

In one embodiment, the number of the support blocks 13 is at least two, the cover plate 30 is connected to the at least two support blocks 13, and the support blocks 13 can be rotated relative to the base plate 10 by pushing the cover plate 30, so that the cover plate 30 is in an open state for placing the first battery cell 1 and the second battery cell 2.

In one embodiment, the second presser plate 43 is attached to the cover plate 30, so that when the cover plate 30 rotates with the support block 13, the second presser plate 43 also rotates with the cover plate 30.

In one embodiment, the cover plate 30 is connected to the base plate 10 only through the tab compressing assembly 40, i.e., the cover plate 30 can be directly removed from the base plate 10 when the snap locks 44 on the first and

second pressure plates

42, 43 are in an open state.

An embodiment of the utility model also provides a welding equipment, including foretell utmost point ear welding jig.

The utility model discloses a welding equipment, the top of utmost point ear welding jig's base plate 10 is provided with baffle 20, thereby make the first electric core 1 that is located baffle 20 both sides set up with 2 intervals of second electric core, and formed the accommodation space 4 that is used for holding bonding tool or welding seat, consequently just can realize when welding utmost point ear and switching piece that first electric core 1 closes the core with 2 separation welding backs of second electric core, with this improvement welded reliability, and avoid causing the damage to first electric core 1 and second electric core 2.

In one embodiment, the welding device further comprises a welding head and an anvil, one of which is arranged inside the receiving space 4 and the other of which is located outside the receiving space 4, and which are arranged opposite to each other, thereby achieving welding.

The utility model discloses a utmost point ear welding jig can form the accommodation space 4 that holds bonding tool or welding seat between first electric core 1 and second electric core 2 through setting up of baffle 20 to this guarantees that first electric core 1 and second electric core 2 can realize the separation welding, and compact heap 60 can compress tightly battery cover plate 3, position change can not appear when guaranteeing to weld, and utmost point ear compresses tightly the second utmost point ear that setting up of subassembly 40 can be used for bending first utmost point ear of first electric core 1 and second electric core 2, guarantee follow-up welded feasibility with this, avoided the design specialized tool to carry out utmost point ear and bend.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. The present invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and exemplary embodiments be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.

It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims

1. A tab welding jig, comprising:

a substrate (10), the substrate (10) being used for placing a first cell (1);

the separator (20) is arranged above the substrate (10), the first battery cell (1) is arranged between the separator (20) and the substrate (10), one side, far away from the substrate (10), of the separator (20) is used for placing the second battery cell (2), and a containing space (4) for containing a welding head or a welding seat is formed between the first battery cell (1) and the second battery cell (2).

2. The tab welding jig according to claim 1, characterized in that the projection of the separator (20) towards the base plate (10) is located at an intermediate position of the base plate (10) so that two mutually independent accommodation spaces (4) are formed between the first cell (1) and the second cell (2).

3. The tab welding jig according to claim 1, characterized in that an adapter (11) is provided on the base plate (10), and the separator (20) is provided at an end of the adapter (11) away from the base plate (10);

wherein the partition (20) is rotatably arranged relative to the adapter part (11).

4. The tab welding jig according to any one of claims 1 to 3, further comprising:

a cover plate (30), wherein the cover plate (30) is arranged above the separator (20), and the second battery cell (2) is arranged between the cover plate (30) and the separator (20).

5. The tab welding jig of claim 4, further comprising:

the tab compression assembly (40) is connected with the substrate (10) and the cover plate (30), and the tab compression assembly (40) is used for bending a first tab of the first battery cell (1) and a second tab of the second battery cell (2);

the lug pressing assembly (40) is provided with an avoiding opening (41), and the avoiding opening (41) is opposite to the accommodating space (4).

6. The tab welding jig of claim 5, wherein the tab compression assembly (40) comprises:

the first pressing plate (42) is connected to the base plate (10) and detachably connected with the cover plate (30), and the first pressing plate (42) is used for bending the first tab;

the second pressing plate (43) is connected to the cover plate (30) and detachably connected with the base plate (10), and the second pressing plate (43) is used for bending the second tab;

wherein the escape opening (41) is formed between the first pressure plate (42) and the second pressure plate (43).

7. The tab welding jig according to claim 6, characterized in that the first pressure plate (42) is provided with a first connecting shaft (45), and the first pressure plate (42) is rotatably connected to the base plate (10) through the first connecting shaft (45);

the second pressing plate (43) is provided with a second connecting shaft (46), and the second pressing plate (43) is rotatably connected to the cover plate (30) through the second connecting shaft (46).

8. The tab welding jig according to claim 6, wherein the length of the avoidance opening (41) in a preset direction is smaller than the length of the first tab in the preset direction, and the length of the avoidance opening (41) in the preset direction is smaller than the length of the second tab in the preset direction;

wherein the predetermined direction is parallel to a face of the first electrical core (1) facing the second electrical core (2).

9. The tab welding jig according to any one of claims 1 to 3, further comprising:

a support (50), the support (50) being disposed on the substrate (10);

the pressing block (60) is movably arranged relative to the base plate (10), and the pressing block (60) is used for being in limit contact with the battery cover plate (3);

and the elastic piece (70) is clamped between the supporting part (50) and the pressing block (60).

10. A welding apparatus, characterized by comprising the tab welding jig of any one of claims 1 to 9.