CN217529829U

CN217529829U - Ultra-thin lithium cell welding frock

Info

Publication number: CN217529829U
Application number: CN202221649150.1U
Authority: CN
Inventors: 刘迪; 俞剑
Original assignee: Haikou Anbor Energy Technology Development Co ltd
Current assignee: Haikou Anbor Energy Technology Development Co ltd
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2022-10-04
Anticipated expiration: 2032-06-28

Abstract

The utility model discloses an ultra-thin lithium cell welding frock, include: cell placing table, knot formula splint, ultrasonic spot welder and bonding tool, the surface mounting of cell placing table has knot formula splint, cell placing table one side is provided with the ultrasonic spot welder, the bonding tool is installed to the tip of ultrasonic spot welder. This ultra-thin lithium battery welding frock, the parameter of adjustment ultrasonic spot welder makes it can be fit for reaching suitable welding effect, place naked electric core in the pit that the workstation was placed to electric core, then buckle formula splint and can be with the rigidity of naked electric core, parameter through setting up numerical control system servo motor, make ultrasonic spot welder can the accurate positioning remove, the utmost point ear platform metal clip through the control utmost point ear platform carries disk utmost point ear after that, and the location cuts the position well, the point accuse switch control numerical control system servo motor through equipment at last, make ultrasonic spot welder and utmost point ear platform remove the assigned position, finally can accomplish the spot welding.

Description

Ultra-thin lithium cell welding frock

Technical Field

The utility model relates to an electric power unit technical field specifically is an ultra-thin lithium cell welding frock.

Background

The lithium ion battery is a high and new technology product appearing in the new century, and compared with a lead-acid/nickel-hydrogen battery, the lithium ion battery has a series of advantages of high working voltage, high specific energy, long service life and the like, wherein the polymer lithium ion battery is a more important project in the field of high performance. With the social development, the usage of lithium ion batteries is becoming more and more extensive, and the market demand becomes diversified according to the performance or specification of the lithium battery. The existing lithium ion battery welding process mostly uses manual operation when carrying out tab welding on a bare cell of a lithium battery, and along with the continuous reduction of the thickness of the cell, the difficulty of manual operation becomes difficult, and at the moment, a welding device for an ultrathin lithium ion battery is needed to replace the manual tab welding process.

The existing tab welding technology mostly uses an ultrasonic spot welding machine, is manually operated, is easy to cause welding dislocation caused by alignment error, is more difficult to operate when facing an ultrathin lithium ion battery, and can also cause defective products caused by integral deformation of a battery core, breakage of an internal pole piece and powder falling due to manual operation.

Improvements are needed to address the above issues to meet market demands.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an ultra-thin lithium cell welding frock to solve the current utmost point ear welding technique that proposes in the above-mentioned background art, mostly use the ultrasonic spot welder, the manual work is operated, the welding dislocation that the error of counterpointing leads to appears easily, and more difficult the operation when in the face of ultra-thin lithium ion battery, moreover, the problem of the defective products that still can appear because the whole deformation of electric core that manual operation leads to, inside pole piece fracture, fall the powder and lead to.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an ultra-thin lithium cell welding frock, includes: the electric core placing workbench, the buckle type clamping plate, the ultrasonic spot welding machine and the welding head, the surface mounting of the electric core placing workbench is provided with the buckle type clamping plate, one side of the electric core placing workbench is provided with the ultrasonic spot welding machine, the welding head is installed at the end part of the ultrasonic spot welding machine, the surface of the ultrasonic spot welding machine is connected with the welding seat, a servo motor of a numerical control system is installed on one side of the ultrasonic spot welding machine, one side of the ultrasonic spot welding machine is provided with a lug platform, the surface of the lug platform is connected with a lug platform metal clamp, the lug platform metal clamp is close to the lug platform metal clamp, a disc type lug is clamped by the lug platform metal clamp, the surface of the disc type lug is connected with lug glue, and the surface of the disc type lug is provided with a cutter.

Preferably, the side surface of the electric core placing workbench is provided with a simple clamping plate buckle, the side surface of the electric core placing workbench is connected with a pressing plate shaft, the end surface of the electric core placing workbench is connected with a lug, the surface of the lug is provided with a welding point, the surface of the electric core placing workbench is provided with an electric core groove, and the side surface of the electric core groove is provided with a lug groove.

Preferably, the surface of the cell placing workbench is provided with a pit, and the buckle type clamping plate can be buckled on the upper surface of the pit to fix the cell.

Preferably, the numerical control system servo motor is used for setting parameters, so that the ultrasonic spot welding machine can be accurately positioned and moved.

Preferably, the cutter is mounted on the upper surface of the disc type tab, and the angle between the cutter and the surface of the disc type tab is 90 °.

Preferably, the size of the battery cell groove is matched with the size of a bare battery cell of a lithium battery, and each side surface of the battery cell groove is provided with two tab grooves.

Compared with the prior art, the beneficial effects of the utility model are that:

in conclusion, the parameters of the ultrasonic spot welding machine are adjusted to enable the ultrasonic spot welding machine to be suitable for achieving a proper welding effect, a naked battery cell is placed in a pit of a battery cell placing workbench, then a button-type clamping plate is buckled to fix the position of the naked battery cell, parameters of a numerical control system servo motor are set, the ultrasonic spot welding machine can be accurately positioned and moved, a disc-type tab is clamped through a tab table metal clamp of a control tab table, the cutting position is well positioned, the numerical control system servo motor is controlled through a point control switch of the equipment, the ultrasonic spot welding machine and the tab table are moved to an appointed position, and finally spot welding can be completed.

Drawings

FIG. 1 is a main schematic view of the overall structure of the present invention;

FIG. 2 is a schematic side view of the overall structure of the present invention;

fig. 3 is a schematic view of the cutting and clamping structure of the disc type tab of the present invention;

fig. 4 is a schematic view of the buckle type splint structure of the present invention.

In the figure: 1. a cell placing workbench; 2. a buckle type splint; 3. an ultrasonic spot welder; 4. a welding head; 5. welding a base; 6. a numerical control system servo motor; 7. a polar lug platform; 8. a tab platform metal clip; 9. disc type pole ear; 10. gluing a tab; 11. a cutter; 12. simple clamp plate buckles; 13. a platen shaft; 14. a tab; 15. a welding point; 16. a battery cell groove; 17. and a lug groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an ultra-thin lithium cell welding frock, includes: the cutting tool comprises a cell placing workbench 1, a buckle clamp plate 2, an ultrasonic spot welding machine 3 and a welding head 4, wherein the buckle clamp plate 2 is mounted on the surface of the cell placing workbench 1, the buckle clamp plate 2 is used for clamping a cell placed in the cell placing workbench 1, the ultrasonic spot welding machine 3 is arranged on one side of the cell placing workbench 1, the ultrasonic spot welding machine 3 is used for welding the surface of the cell, the welding head 4 is mounted at the end part of the ultrasonic spot welding machine 3, the welding head 4 is a main body part for welding the ultrasonic spot welding machine 3, a welding seat 5 is connected to the surface of the ultrasonic spot welding machine 3, the welding seat 5 is used for welding the cell, a numerical control system servo motor 6 is mounted on one side of the ultrasonic spot welding machine 3, the numerical control system servo motor 6 can provide driving force for the transverse movement of the cell platform 7, a cell platform 7 on one side of the ultrasonic spot welding machine 3 is connected with a cell platform metal clamp 8, the cell platform metal clamp 8 is close to the cell platform metal clamp 8, a disc type tab clamp 9 is clamped by the cell platform metal clamp 8, a disc type tab pressing and a cutting tool 12 is arranged on the surface of the cell placing tool, a disc type cutting tool is arranged on the surface of the cell 1, a cutting tool 12 is arranged on the surface of the cell, a disc type cutting tool is arranged on the surface of the cell 1, a disc type cutting tool 12 is arranged on the surface of the cell, a side surface of the cell, a disc type cutting tool 12, a disc type cutting tool for cutting tool, a disc type cutting tool is arranged on the cell, a side surface of the cell 1, a disc type cutting tool 12 is arranged on the cell, a side surface of the cell, a disc type cutting tool for cutting tool 12 is arranged on the cell, a disc type cutting tool, a side surface of the cell 1, a disc type cutting tool 12 is arranged on the cell 1, and then the disc type tab 9 is clamped by the tab table metal clamp 8 of the control tab table 7, so that the cutting position can be well positioned.

Pit has been seted up on the surface that workstation 1 was placed to the electric core, knot formula splint 2 can be detained and carry out the fixed of electric core at the upper surface of pit, numerical control system servo motor 6 carries out parameter setting, makes ultrasonic spot welder 3 can the accurate positioning removal, cutter 11 is installed at the upper surface of disk utmost point ear 9, the angle between cutter 11 and the disk utmost point ear 9 surface is 90, the size of electric core recess 16 and the size phase-match of the naked electric core of lithium cell to make things convenient for the embedding of lithium cell, every electric core recess 16's side is provided with two utmost point ear recesses 17, and the point accuse on-off control numerical control system servo motor 6 of equipment can make ultrasonic spot welder 3 and utmost point ear platform 7 remove the assigned position, finally can accomplish the spot welding.

The working principle is as follows: as shown in fig. 1-4, when the ultra-thin lithium battery welding tool is used, before spot welding of a tab 14 is started, a bare cell of a lithium battery is placed in a cell groove 16 of a cell placing workbench 1, after the tab 14 is ensured to be exposed, the cell is fixed on the cell placing workbench 1 by using a buckle type clamping plate 2, parameters of an ultrasonic spot welding machine 3 are set to achieve the best welding effect, the fixed length cutting length of a disc type tab 9 is adjusted to obtain the tab 14 with a required size, parameters of a servo motor 6 of a numerical control system are set to enable the ultrasonic spot welding machine 3 and the tab platform 7 to be accurately positioned to the cell tab 14 for welding, after the welding is completed, a simple clamping plate buckle 12 is opened, the welded cell is taken down, and thus the tab spot welding work is completed; in addition, when the ultra-thin lithium battery tab is welded, the tab 14 and the battery core tab are superposed at the welding point 15, and by using the method, the tab spot welding efficiency and the spot welding feasibility can be greatly improved, which is the characteristic of the ultra-thin lithium battery welding tool.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an ultra-thin lithium cell welding frock, includes: workstation (1), knot formula splint (2), ultrasonic spot welding machine (3) and bonding tool (4) are placed to electric core, its characterized in that: the surface of the electric core placing workbench (1) is provided with a buckle type clamping plate (2), and one side of the electric core placing workbench (1) is provided with an ultrasonic spot welding machine (3);

the welding head (4) is installed to the tip of ultrasonic spot welder (3), the surface of ultrasonic spot welder (3) is connected with welding seat (5), one side utmost point ear platform (7) of ultrasonic spot welder (3), the surface of utmost point ear platform (7) is connected with utmost point ear platform metal clip (8), is close to utmost point ear platform metal clip (8), utmost point ear platform metal clip (8) centre gripping has disk utmost point ear (9), the surface of disk utmost point ear (9) is connected with utmost point ear glue (10).

2. The ultra-thin lithium battery welding tool according to claim 1, characterized in that: the utility model discloses a lithium battery, including electric core placing workbench (1), side surface mounting has simple clamp plate to detain (12), the side surface that electric core placing workbench (1) is connected with clamp plate axle (13), electric core placing workbench (1) tip surface is connected with utmost point ear (14), the surface of utmost point ear (14) is provided with welding point (15), electric core placing workbench (1) the surface seted up electric core recess (16), utmost point ear recess (17) have been seted up to the side surface of electric core recess (16).

3. The ultra-thin lithium battery welding tool of claim 1, characterized in that: the surface of the battery cell placing workbench (1) is provided with a pit, and the buckle type clamping plate (2) can be buckled on the upper surface of the pit to fix the battery cell.

4. The ultra-thin lithium battery welding tool of claim 1, characterized in that: a numerical control system servo motor (6) is installed on one side of the ultrasonic spot welding machine (3), and the numerical control system servo motor (6) is used for setting parameters, so that the ultrasonic spot welding machine (3) can be accurately positioned and moved.

5. The ultra-thin lithium battery welding tool according to claim 1, characterized in that: the surface of disk utmost point ear (9) is provided with cutter (11), cutter (11) are installed at the upper surface of disk utmost point ear (9), the angle between cutter (11) and disk utmost point ear (9) surface is 90.

6. The ultra-thin lithium battery welding tool of claim 2, characterized in that: the size of electric core recess (16) and the size phase-match of the naked electric core of lithium cell, every the side of electric core recess (16) is provided with two utmost point ear recesses (17).