CN219703862U - Energy-saving efficiency-improving type laser welding tool - Google Patents

Abstract

The utility model relates to the technical field of battery production equipment, in particular to an energy-saving efficiency-improving type laser welding tool which is used for welding battery soft package module products and comprises a mounting assembly, a lifting assembly, a pressing assembly and an air supply assembly; the lifting assembly is arranged on the mounting assembly and comprises a driving assembly and a sliding plate, and the output end of the driving assembly is connected with the sliding plate so as to enable the sliding plate to move up and down in the vertical direction; the compression assembly is arranged on the sliding plate; the air supply assembly comprises an air injection end and an air inlet end; the air injection end is connected with the air inlet end through a hose; the air injection end is arranged on the compression assembly, and the air inlet end is arranged on the installation assembly, so that the welding production efficiency of the battery soft package module product can be improved, the cost can be reduced, and the efficiency can be improved.

Description

Energy-saving efficiency-improving type laser welding tool

Technical Field

The utility model relates to the technical field of battery production equipment, in particular to an energy-saving efficiency-improving type laser welding tool.

Background

The soft package battery has the advantages of good safety performance, light weight, large capacity, small internal resistance, flexible design and the like, gradually develops towards the high-rate application direction, and more accords with the requirements of consumers, and has become the current main stream development direction, and the reliability of the welding strength of the soft package tab and the bus bar is an important direction of soft package module research, wherein the welding mode of the soft package tab and the bus bar comprises laser penetration welding, ultrasonic welding and the like; the laser penetration welding has the advantages of low welding seam height, less control of technological parameters, attractive welding seam, mature application and the like, but the laser penetration welding has higher requirements on gaps among welded objects, and poor welding of the electrode lugs and the bus bars can be caused by exceeding a certain gap.

In the prior art, the welding production of battery soft package module products needs to be manually positioned and placed, so that the position of the control module is accurate, in addition, the position of a busbar cannot be fixed during welding, a mode of running and welding by using a whole module program cannot be used, so that the welding efficiency is low, the welding quality is low, meanwhile, equipment shielding gas is actually sprayed downwards from the position of a welding head during welding, a welding seam cannot be completely and effectively covered and protected, the welding seam is not protected in place, the welding seam quality is unstable, and the loss of welding consumable (nitrogen) is large.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide an energy-saving and efficiency-improving laser welding tool which can improve the welding production efficiency of battery soft package module products, reduce the cost and improve the efficiency.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an energy-saving and efficiency-improving type laser welding tool is used for welding battery soft package module products and comprises a mounting assembly, a lifting assembly, a pressing assembly and an air supply assembly; the lifting assembly is arranged on the mounting assembly and comprises a driving assembly and a sliding plate, and the output end of the driving assembly is connected with the sliding plate so as to enable the sliding plate to move up and down in the vertical direction; the compression assembly is arranged on the sliding plate; the air supply assembly comprises an air injection end and an air inlet end; the air injection end is connected with the air inlet end through a hose; the air injection end is installed on the compression assembly, and the air inlet end is installed on the installation assembly.

Preferably, the air injection end comprises a compression block; the air inlet end comprises a shunt tube; the upper end of the compression block is provided with a connecting hole and a through groove, and the lower part of the compression block is provided with an air passage; the connecting hole is communicated with the air passage and the through groove; the compressing blocks are provided with a plurality of compressing blocks and are connected with the shunt pipes through hoses.

Preferably, the air passage is provided with a plurality of air passages; the plurality of air passages are uniformly distributed.

Preferably, the positions of the air passage and the through groove correspond to the positions to be welded of the battery soft package module.

Preferably, a plurality of electromagnetic valves are also arranged on the hose connected with the shunt tubes by the compaction blocks; the electromagnetic valves are arranged in one-to-one correspondence with the compaction blocks.

Preferably, the installation component comprises a bottom plate, a limiting plate and a supporting plate which are sequentially arranged from bottom to top; the lifting assembly is arranged on the bottom plate; the shunt tube is arranged at the rear end of the supporting plate; the solenoid valve is installed in the upper end of backup pad.

Preferably, the compressing assembly comprises a supporting rod, a compressing plate and a fixing plate which are sequentially arranged from top to bottom; the lower end of the supporting rod is detachably connected with the upper end of the sliding plate so as to enable the supporting rod to synchronously displace with the sliding plate; the compressing block is arranged between the compressing plate and the fixing plate.

Preferably, the fixing plate is provided with a plurality of clamping grooves; the compacting plates are arranged in one-to-one correspondence with the clamping grooves.

Preferably, the driving assembly comprises a cylinder and a sliding rod; the air cylinder and the sliding rod are both arranged at the upper end of the bottom plate; the output end of the air cylinder is provided with a screw rod; the sliding plate is sleeved on the sliding rod and the screw rod.

Preferably, the device also comprises a manual control valve arranged at the upper end of the bottom plate; the lifting assembly is provided with two lifting assemblies; the two lifting components are symmetrically arranged at two sides of the limiting plate; the manual control valve is connected with the two lifting assemblies through a circuit so as to control the two lifting assemblies to work synchronously.

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

the tooling welding press block adopts the design of profiling bus copper bar, when the module is placed in position and in the wrong direction, the module is not allowed to be pressed down in place, and the occurrence of short circuit is prevented;

the tool design is provided with the busbar fixing plate, so that the length and the size of the modules can be fixed to be consistent, and the errors are reasonable. Meanwhile, the space size of each busbar is controlled, so that the welding position of a welding program is accurate, and the welding quality is stable;

the welding position of the corresponding welding line of the tooling is independently designed with an input welding protective gas control switch, the welding protective gas control switch is controlled by a PLC output signal of the welding equipment, and the protective gas of the corresponding tooling of the corresponding welding equipment is output, so that the protection of the welding line of the accurate welding is achieved, the loss of the welding protective gas is saved, and the most efficient utilization is realized; (the design concept of the welding protection gas output control device is applicable to welding tools for various types of products)

The inside of the tool weld joint compression block is independently provided with a protective gas output air passage, so that the edge of a single weld joint can be guaranteed to have uniform protective gas outflow, and the production loss (protective gas) is greatly reduced by combining an electrical control assembly, so that the cost of loss is saved;

the air cylinders are adopted at the two ends of the tool, the air cylinders are controlled to be up and down by adopting a unified air path, and the air pressure of the air cylinders is adjustable in input and output, so that the stability and the reliability of the welding tool are ensured. The design replaces the traditional manual and mechanical manual pressing of the welding tool, saves labor, and improves the installation efficiency of the tool, thereby improving the production efficiency;

the tool gives consideration to the design concept and the requirements of gas output protection in the welding process of various different types of products;

the requirement of matching of different productivity is considered to the frock, increases the quantity of frock in step, and maximize lifting means utilization ratio promotes the production productivity of product.

Drawings

FIG. 1 is a schematic diagram of a first embodiment of the present utility model;

FIG. 2 is a schematic view of the rear side of the welding tool of the present utility model;

FIG. 3 is a schematic view of the mounting structure of the fixing plate and the pressing block of the present utility model;

fig. 4 is a schematic structural view of the compaction block according to the present utility model.

In the figure: 1, a mounting plate assembly, a 101 bottom plate, 102 limit plates and 103 support plates;

2 lifting components, 201 cylinders, 202 sliding rods, 203 sliding plates and 204 manual control valves;

3 compressing components, 301 supporting rods, 302 compressing plates, 303 fixing plates and 3031 clamping grooves;

the air supply assembly, the 401 compacting block, the 402 electromagnetic valve, the 403 shunt pipe, the 4011 connecting hole, the 4012 air passage and the 4013 through groove;

5 manual control valve.

Description of the embodiments

The following detailed description of the utility model, taken in conjunction with the accompanying drawings, will provide those skilled in the art with a more readily understood understanding of how the utility model may be practiced. While the present utility model has been described in connection with the preferred embodiments thereof, these embodiments are set forth only and are not intended to limit the scope of the utility model.

First embodiment: referring to fig. 1-4, an energy-saving and efficiency-improving laser welding tool includes: mounting panel subassembly 1, lifting unit 2, compress tightly subassembly 3 and air feed subassembly 4.

The mounting plate assembly 1 comprises a bottom plate 101, a limiting plate 102 and a supporting plate 103; the limiting plate 102 is installed at the rear side of the upper end of the bottom plate 101, and the supporting plate 103 is vertically installed at the upper end of the limiting plate 102.

The lifting assembly 2 comprises an air cylinder 201, a sliding rod 202 and a sliding plate 203; the cylinder 201 and the slide bar 202 are both arranged on the bottom plate 101, a screw rod is arranged at the output end of the cylinder 201, and the length direction of the slide bar 202 is the same as the length direction of the screw rod; the sliding plate 203 is sleeved on the sliding rod 202 and the screw rod, and the sliding plate 203 can be driven to move up and down when the air cylinder 201 works; in this embodiment, two lifting assemblies 2 are provided, and the two lifting assemblies 2 are symmetrically disposed on the left and right sides of the limiting plate 102; the manual control valve 5 is installed on the bottom plate 101, and the manual control valve 5 and the two air cylinders 201 are connected through a circuit so as to control the two lifting assemblies 2 to work synchronously, the input and output air pressures of the air cylinders 201 are adjustable, the stability and the reliability of the welding fixture are ensured, the manual work mechanical type manual welding fixture is replaced by the design, the manpower is saved, the installation efficiency of the fixture is improved, and the production efficiency is improved.

The compressing assembly 3 comprises a supporting rod 301, a compressing plate 302 and a fixing plate 303 which are sequentially arranged from top to bottom; the supporting rod 301, the pressing plate 302 and the fixing plate 303 are connected through bolts; the supporting rods 301 are erected on the two sliding plates 203 on the left side and the right side and are connected through screw rods, so that the compressing assembly 3 and the sliding plates 203 can synchronously lift and displace; the fixing plate 303 is provided with a plurality of through clamping grooves 3031, and the plurality of clamping grooves 3031 are uniformly distributed.

The air supply assembly 4 comprises a compression block 401, an electromagnetic valve 402 and a shunt tube 403; as shown in fig. 4, the compression block 401 is made of metal copper, the upper end of the compression block 401 is provided with a connecting hole 4011 and a through slot 4013, and the lower part of the compression block 401 is provided with a plurality of evenly distributed air passages 4012; the air passage 4012 is communicated with the connecting hole 4011 and the through groove 4013; two through grooves 4013 are arranged; the compression block 401 is connected with the shunt tube 403 through a hose, and the shunt tube 403 is arranged at the rear end of the supporting plate 103; in this embodiment, the electromagnetic valve 402 is disposed on the hose between the compression block 401 and the shunt 403 to control the output of the gas; in addition, the electromagnetic valve 402 and the compaction block 401 are provided with a plurality of electromagnetic valves and are arranged in one-to-one correspondence; the shunt tube 403 is connected with an inert gas storage device arranged outside through a hose; the connection hole 4011 is an inert gas receiving port; the plurality of compression blocks 401 are arranged on the fixed plate 303 and correspond to the clamping grooves 3031 one by one, and meanwhile, the compression blocks 401 are positioned between the compression plates 302 and the fixed plate 303 so as to ensure the stability of the compression blocks 401; in this embodiment, nitrogen is selected as the inert gas; preferably, after the compression block 401 is installed, the positions of the air channel 4012 and the through groove 4013 correspond to the positions to be welded of the battery soft package module.

In this embodiment, the solenoid valve 402 is electrically connected to the peripheral process welding device PLC.

The tool can be used singly, can be used as a double station or used in multiple stations, is convenient and flexible to use, improves the utilization rate of equipment to the maximum extent, improves the production efficiency, and is used as follows (simplex tool):

putting the module of the pre-leveling soft-package battery cell lug on a tool according to the required direction;

after confirming that the module is put in place in the direction and the positioning position, opening a manual control valve;

compressed air flows into the air cylinder, and the air cylinder is pressed down to drive the lower piezoelectric core lug of the welding pressing plate assembly to be in place;

after confirming that the pressing is in place, the nitrogen cylinder arranged outside is connected into the shunt pipe. The input of the electromagnetic valve 24V is controlled by the PLC output signal of the welding equipment in the working procedure to control whether nitrogen is output or not. Before the welding program of the welding equipment corresponds to the welding start of the welding line, the PLC outputs an I/O signal corresponding to the position of the welding line, the corresponding position of the tool is input by 24V at the valve end of the battery, the corresponding position of the tool is provided with a nitrogen switch electromagnetic valve, a nitrogen output port is opened, and the nitrogen output flows into the corresponding position of the welding line. (each weld seam can be independently protected by welding protective gas);

such as: when the two-station tool or the multi-station tool is used

The installation method of each tool product is as above, the welding equipment automatically runs to the welding position of the second tool after the welding of the first tool product is finished (the welding equipment can set the welding program of a plurality of stations), and the N stations are welded in turn (the equipment is not stopped, so that the utilization rate of the equipment is maximized);

the welding of the product in the previous tool is completed, the tool can be removed, a manual air valve switch is loosened, and the product is inspected and removed;

and then the next product installation is carried out, and so on.

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

Claims (10)

1. An energy-conserving effect-improving type laser welding frock for battery soft package module product welding, its characterized in that: comprises a mounting component (1), a lifting component (2), a compacting component (3) and an air supply component (4); the lifting assembly (2) is arranged on the mounting assembly (1), the lifting assembly (2) comprises a driving assembly and a sliding plate (203), and the output end of the driving assembly is connected with the sliding plate (203) so as to enable the sliding plate (203) to vertically move up and down; the pressing component (3) is arranged on the sliding plate (203); the air supply assembly (4) comprises an air injection end and an air inlet end; the air injection end is connected with the air inlet end through a hose; the air injection end is arranged on the compression assembly (3), and the air inlet end is arranged on the installation assembly (1).

2. The energy-saving and efficiency-improving laser welding tool as set forth in claim 1, wherein: the air injection end comprises a compression block (401); the air inlet end comprises a shunt tube (403); the upper end of the compression block (401) is provided with a connecting hole (4011) and a through groove (4013), and the lower part of the compression block (401) is provided with an air passage (4012); the connecting hole (4011) is communicated with the air passage (4012) and the through groove (4013); the compression block (401) is provided with a plurality of compression blocks and is connected with the shunt pipes (403) through hoses.

3. The energy-saving and efficiency-improving laser welding tool as set forth in claim 2, wherein: the airway (4012) is provided with a plurality of air passages; the plurality of air passages (4012) are uniformly distributed.

4. The energy-saving and efficiency-improving laser welding tool as set forth in claim 2, wherein: the positions of the air passage (4012) and the through groove (4013) correspond to the positions to be welded of the battery soft package module.

5. The energy-saving and efficiency-improving laser welding tool as set forth in claim 2, wherein: a plurality of electromagnetic valves (402) are also arranged on the hose connected with the shunt tubes (403) by the compression blocks (401); the electromagnetic valves (402) are arranged in one-to-one correspondence with the compaction blocks (401).

6. The energy-saving and efficiency-improving laser welding tool according to claim 5, wherein: the mounting assembly (1) comprises a bottom plate (101), a limiting plate (102) and a supporting plate (103) which are sequentially arranged from bottom to top; the lifting assembly (2) is arranged on the bottom plate (101); the shunt tube (403) is arranged at the rear end of the supporting plate (103); the electromagnetic valve (402) is installed at the upper end of the support plate (103).

7. The energy-saving and efficiency-improving laser welding tool as set forth in claim 2, wherein: the compressing component (3) comprises a supporting rod (301), a compressing plate (302) and a fixing plate (303) which are sequentially arranged from top to bottom; the lower end of the supporting rod (301) is detachably connected with the upper end of the sliding plate (203) so as to enable the supporting rod (301) to synchronously displace with the sliding plate (203); the compression block (401) is arranged between the compression plate (302) and the fixing plate (303).

8. The energy-saving and efficiency-improving laser welding tool as set forth in claim 7, wherein: a plurality of clamping grooves (3031) are formed in the fixed plate (303); the pressing plates (302) are arranged in one-to-one correspondence with the clamping grooves (3031).

9. The energy-saving and efficiency-improving laser welding tool as set forth in claim 6, wherein: the driving assembly comprises a cylinder (201) and a sliding rod (202); the air cylinder (201) and the sliding rod (202) are arranged at the upper end of the bottom plate (101); the output end of the air cylinder (201) is provided with a screw rod; the sliding plate (203) is sleeved on the sliding rod (202) and the screw rod.

10. The energy-saving efficient laser welding tool according to claim 9, wherein: the manual control valve (5) is arranged at the upper end of the bottom plate (101); the lifting assembly (2) is provided with two lifting assemblies; the two lifting assemblies (2) are symmetrically arranged at two sides of the limiting plate (102); the manual control valve (5) is connected with the two lifting assemblies (2) through a circuit so as to control the two lifting assemblies (2) to work synchronously.