CN216298414U

CN216298414U - A battery tab spot welding mounting fixture for lithium ion battery makes

Info

Publication number: CN216298414U
Application number: CN202122751054.XU
Authority: CN
Inventors: 叶永顺
Original assignee: Zhangzhou Mingde Industry And Trade Co ltd
Current assignee: Zhangzhou Mingde Industry And Trade Co ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-04-15
Anticipated expiration: 2031-11-11

Abstract

The utility model discloses a battery tab spot welding fixing clamp for manufacturing a lithium ion battery, which comprises a bottom plate for placing a battery core, wherein a liftable welding seat is arranged on the bottom plate, a limiting plate is fixed on the top surface of the bottom plate through a bolt, one end of the welding seat horizontally extends outwards to form a limiting block, the welding seat and a rotating block are vertically arranged, the outer wall surface of the welding seat opposite to the rotating block extends outwards to form two first lugs, a rotating rod is connected between the two first lugs in a welding mode, the outer wall surface of the rotating block opposite to the welding seat extends outwards to form two second lugs, the top surface of the rotating block vertically extends downwards to form a slot for inserting a tab, and the wall body of the rotating block at the slot wall is provided with a groove. This a whole welding operation for battery tab spot welding mounting fixture that lithium ion battery made, it is easy and simple to handle, need not to fix and dismantle the operation such as, very big improvement work efficiency, the practicality is strong.

Description

A battery tab spot welding mounting fixture for lithium ion battery makes

Technical Field

The utility model relates to the technical field of lithium ion battery manufacturing, in particular to a battery tab spot welding fixing clamp for manufacturing a lithium ion battery.

Background

When the lithium ion battery is manufactured, one of the processes is to weld the lug on the electric core, at present, when welding is performed, in order to guarantee the welding precision between the lug and the electric core, the lug needs to be positioned and fixed, the fixing clamp of the lug needs to fix the lug before welding, after the welding is finished, the lug needs to be disassembled, the overall operation is complex, the overall working efficiency is greatly influenced, the practicability is not strong, the use requirements of people cannot be met, the defects existing in the prior art are considered, the lithium ion battery is necessary to be further improved, and the lithium ion battery has more practicability and can meet the actual use condition.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a battery tab spot welding fixing clamp for manufacturing a lithium ion battery, which aims to solve the problems that the overall operation is complicated, the overall working efficiency is greatly influenced and the practicability is not high in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a battery tab spot welding fixing clamp for manufacturing a lithium ion battery comprises a bottom plate for placing an electric core, wherein a liftable welding seat is arranged on the bottom plate, a limiting plate is fixed on the top surface of the bottom plate through a bolt, a limiting block is formed by outwards extending one end of the welding seat horizontally, the welding seat and the rotating block are vertically arranged, two first lugs are formed by outwards extending the outer wall surface of the welding seat opposite to the rotating block, a rotary rod is connected between the two first lugs in a welding manner, two second lugs are formed by outwards extending the outer wall surface of the rotating block opposite to the welding seat, a slot for inserting a tab is formed by vertically and downwards extending the top surface of the rotating block, a groove is formed in the wall body of the rotating block at the slot wall, a first metal elastic sheet is fixedly bonded on the bottom surface of the top of the limiting plate, and the rotary rod penetrates through the second lug and is movably connected with a bearing of the second lug, the groove is communicated with the slot, and a second metal elastic sheet is fixedly bonded on the slot wall of the groove.

Furthermore, a threaded rod connected with the threaded rod is arranged on the bottom plate in a penetrating mode, the threaded rod is movably connected with a bearing on the bottom surface of the welding seat, a guide rod is perpendicularly welded to the bottom end of the welding seat, and the guide rod penetrates through the wall body of the bottom plate.

Furthermore, the section of the slot is of a rectangular structure, two slots are one group, and two groups are arranged on the rotating block.

Furthermore, the limiting plate is an inverted L-shaped structure, and two limiting plates are symmetrically arranged on the bottom plate.

Furthermore, the first metal elastic sheet and the second metal elastic sheet are both in an 'angle' shaped structure, and one end of the second metal elastic sheet, which is not connected with the groove, extends into the slot.

Furthermore, the section of the limiting block is in the shape of ﹂, and the top end of the limiting block is abutted against the bottom end of the rotating block.

Compared with the prior art, the utility model has the beneficial effects that: the battery tab spot welding fixing clamp for manufacturing the lithium ion battery is characterized in that a limiting plate is arranged on a bottom plate, and a first metal elastic sheet is arranged on the limiting plate, so that after a battery cell is horizontally inserted into the limiting plate, the battery cell can be compressed and fixed through the first metal elastic sheet;

the rotary block is arranged, when the lug is inserted into the slot on the rotary block, the second metal elastic sheet can compress and fix the lug, so that the displacement between the lug and the battery cell is avoided in the welding process, the welding precision between the lug and the battery cell can be ensured, and after the welding is finished, the battery cell is only horizontally pulled out from the bottom plate, so that the separation of the battery cell and the limiting plate and the separation of the lug and the rotary block can be realized;

and then whole welding operation, it is easy and simple to handle, need not to fix and operation such as dismantlement, very big improvement work efficiency, the practicality is strong.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic side view of the base plate and limiting plate of the present invention;

fig. 4 is a schematic structural view of a limiting plate and a first metal dome according to the present invention;

FIG. 5 is an enlarged view of point A of FIG. 1 according to the present invention;

FIG. 6 is a schematic cross-sectional view of the rotary block and the socket of the present invention.

In the figure: 1. a base plate; 2. welding a base; 3. rotating the block; 4. a slot; 5. a first bump; 6. a second bump; 7. rotating the rod; 8. a limiting plate; 9. a first metal spring sheet; 10. a groove; 11. a second metal dome; 12. a threaded rod; 13. a guide bar; 14. and a limiting block.

Detailed Description

The drawings in the embodiments of the utility model will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the utility model; rather than all embodiments. Based on the embodiments of the utility model; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a battery tab spot welding fixing clamp for manufacturing a lithium ion battery comprises a bottom plate 1 for placing an electric core, wherein a slot 4 for inserting a tab is formed by vertically extending the top surface of a rotating block 3 downwards, a groove 10 is formed in the wall body of the rotating block 3 at the slot wall of the slot 4, a first metal elastic sheet 9 is fixedly bonded on the top bottom surface of a limiting plate 8, the groove 10 is communicated with the slot 4, a second metal elastic sheet 11 is fixedly bonded on the slot wall of the groove 10, the section of the slot 4 is of a rectangular structure, two slots 4 are a group, two groups are arranged on the rotating block 3, the first metal elastic sheet 9 and the second metal elastic sheet 11 are both of an angle-like structure, one end of the second metal elastic sheet 11, which is not connected with the groove 10, extends into the slot 4, when the tab needs to be fixed, the tab can be inserted into the slot 4, and in the inserting process, the tab can be extruded out of the second metal elastic sheet 11, the second metal elastic sheet 11 is extruded, a reaction force is applied to the tab by the second metal elastic sheet 11 when the second metal elastic sheet is elastically deformed, so that the tab can be compressed, meanwhile, when a cell is placed on the bottom plate 1, the cell can horizontally penetrate through the limiting plate 8, when the cell penetrates, the top end of the cell extrudes the first metal elastic sheet 9, and when the first metal elastic sheet 9 is elastically deformed, a reaction force is applied to the cell, so that the cell can be tightly pressed on the bottom plate 1;

the welding seat 2 and the rotating block 3 are vertically arranged, the outer wall surface of the welding seat 2 opposite to the rotating block 3 extends outwards to form two first lugs 5, a rotating rod 7 is connected between the two first lugs 5 in a welding manner, the outer wall surface of the rotating block 3 opposite to the welding seat 2 extends outwards to form two second lugs 6, the rotating rod 7 penetrates through the second lugs 6 and is movably connected with the bearings of the second lugs 6, the second lugs 6 can rotate on the rotating rod 7, and further the rotating block 3 can also rotate through the second lugs 6, so that when the rotating block 3 rotates for 90 degrees and is in a horizontal shape, a lug fixed on the rotating block can be attached to a foil on the battery cell, subsequent welding operation is convenient to perform, and meanwhile, after welding is finished, the battery cell is horizontally moved and is extracted from the limiting plate 8, and when the lug is extracted, the lug can be driven to move out from the slot 4, meanwhile, due to the structural design of the first metal elastic sheet 9 and the second metal elastic sheet 11, when the battery cell and the tab move horizontally in the reverse direction, the first metal elastic sheet 9 and the second metal elastic sheet 11 do not apply extrusion force, so that the battery cell can be taken down quickly and conveniently;

be provided with the welding seat 2 of liftable on the bottom plate 1, run through threaded rod 12 rather than threaded connection on the bottom plate 1, and threaded

rod

12 and 2 bottom surface bearing swing joint of welding seat, the perpendicular welded connection in 2 bottoms of welding seat has guide bar 13, and guide bar 13 runs through the 1 wall body of bottom plate, guide bar 13 rectangular distribution has four, and guide bar 13 laminates with bottom plate 1 mutually and is not fixed, through twisting threaded rod 12 like this, can drive welding seat 2 and move on bottom plate 1 through guide bar 13, and when welding seat 2 removed, can remain the horizontality throughout, adjust welding seat 2 to suitable position after like this, can make the foil of electric core just in time take on welding seat 2, and when subsequent welding operation, welding seat 2 can support foil and utmost point ear, ensure that welding operation normally goes on.

1 top surface bolt of bottom plate is fixed with limiting plate 8, and limiting plate 8 is "L" type structure of falling, and limiting plate 8 is provided with two about 1 symmetry of bottom plate, and limiting plate 8's structural design for when fixed electric core, can make electric core one side and 8 vertical end laminating of limiting plate, be convenient for like this carry out location installation to electric core, ensure that electric core places the back, the foil on it can be in the same place with utmost point ear laminating, guaranteed the welding precision.

The one end level of weld holder 2 is outwards extended and is formed with stopper 14, and stopper 14 cross-section is "﹂" form, and stopper 14's top and 3 bottoms of rotatory piece are supported to close, and stopper 14's structural design makes it can carry on spacingly to rotatory piece 3, makes rotatory piece 3 can keep the vertical state, and slot 4 opening is up like this, is convenient for place utmost point ear, convenient to use fast.

While embodiments of the utility model have been shown and described; to one of ordinary skill in the art; it will be appreciated that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model; the scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a battery tab spot welding mounting fixture for lithium ion battery makes, is including bottom plate (1) that is used for placing electric core, its characterized in that: the bottom plate (1) is provided with a liftable welding seat (2), the top surface of the bottom plate (1) is fixed with a limiting plate (8) through a bolt, one end of the welding seat (2) horizontally extends outwards to form a limiting block (14), the welding seat (2) and a rotating block (3) are vertically arranged, the outer wall surface of the welding seat (2) opposite to the rotating block (3) extends outwards to form two first convex blocks (5), a rotating rod (7) is welded between the two first convex blocks (5), the outer wall surface of the rotating block (3) opposite to the welding seat (2) extends outwards to form two second convex blocks (6), the top surface of the rotating block (3) vertically extends downwards to form a slot (4) for inserting a pole lug, a groove (10) is formed in the wall body of the rotating block (3) at the slot wall of the slot (4), and a first metal elastic sheet (9) is fixed at the top of the limiting plate (8), the rotating rod (7) penetrates through the second convex block (6) and is movably connected with the bearing of the second convex block (6), the groove (10) is communicated with the slot (4), and a second metal elastic sheet (11) is fixedly bonded on the wall of the groove (10).

2. The battery tab spot welding fixing clamp for manufacturing the lithium ion battery as claimed in claim 1, is characterized in that: the bottom plate (1) is provided with a threaded rod (12) in threaded connection, the threaded rod (12) is movably connected with a bearing at the bottom of the welding seat (2), the bottom end of the welding seat (2) is vertically welded with a guide rod (13), and the guide rod (13) penetrates through the wall body of the bottom plate (1).

3. The battery tab spot welding fixing clamp for manufacturing the lithium ion battery as claimed in claim 1, is characterized in that: the section of the slot (4) is of a rectangular structure, two slots (4) are one group, and two groups are arranged on the rotating block (3).

4. The battery tab spot welding fixing clamp for manufacturing the lithium ion battery as claimed in claim 1, is characterized in that: the limiting plates (8) are of an inverted L-shaped structure, and two limiting plates (8) are symmetrically arranged relative to the bottom plate (1).

5. The battery tab spot welding fixing clamp for manufacturing the lithium ion battery as claimed in claim 1, is characterized in that: the first metal elastic sheet (9) and the second metal elastic sheet (11) are both in an 'angle' shaped structure, and one end, which is not connected with the groove (10), of the second metal elastic sheet (11) extends into the slot (4).

6. The battery tab spot welding fixing clamp for manufacturing the lithium ion battery as claimed in claim 1, is characterized in that: the section of the limiting block (14) is ﹂ -shaped, and the top end of the limiting block (14) is abutted with the bottom end of the rotating block (3).