CN219617002U

CN219617002U - Battery package welding set

Info

Publication number: CN219617002U
Application number: CN202320377057.8U
Authority: CN
Inventors: 郭玉飞; 付兆振; 蔡麒麟; 崔海强
Original assignee: Luoyang Dianniu New Power Technology Co ltd
Current assignee: Luoyang Dianniu New Power Technology Co ltd
Priority date: 2023-03-03
Filing date: 2023-03-03
Publication date: 2023-09-01
Anticipated expiration: 2033-03-03

Abstract

The utility model relates to the technical field of battery pack processing, in particular to a battery pack welding device, which comprises a workbench, wherein a mounting frame is arranged on the workbench, an X-axis electric sliding rail is arranged at the top of the inner wall of the mounting frame, a Y-axis electric sliding rail is arranged at the moving end of the X-axis electric sliding rail, an upper hydraulic telescopic cylinder is arranged at the moving end of the Y-axis electric sliding rail, and a welding head is connected with the telescopic end of the upper hydraulic telescopic cylinder; the upper surface of the workbench is provided with an installation groove, two sides of the installation groove are respectively provided with a vertical plate, a clamping frame is arranged between the two vertical plates, the clamping space of the clamping frame is adjustable, two ends of the clamping frame are respectively fixed with rotating shafts, each rotating shaft is respectively rotatably arranged on the vertical plates, one rotating shaft is connected with a driven gear, the inner wall of the installation frame is fixed with a turnover motor, and the output end of the turnover motor is connected with a driving gear meshed with the driven gear; the lower hydraulic telescopic cylinder is arranged in the mounting groove, and a supporting platform is fixed at the top of the lower hydraulic telescopic cylinder.

Description

Battery package welding set

Technical Field

The utility model relates to the technical field of battery pack processing, in particular to a battery pack welding device.

Background

The soft package lithium ion battery is structurally packaged by adopting an aluminum plastic film, the soft package lithium ion battery is 40% lighter than a cylindrical steel shell lithium battery with the same weight and the same capacity, the soft package lithium ion battery is 20% lighter than a square aluminum shell lithium battery, the internal resistance of the soft package battery pack is 20% lighter than the cylindrical steel shell lithium battery with the same weight and the square aluminum shell lithium battery, the self-power consumption of the battery is greatly reduced, the shape can be customized according to the requirements of customers, and the soft package lithium ion battery has the advantages of being good in safety performance, high in energy density, small in internal resistance, flexible in design and the like, and is widely applied to the fields of consumer electronics, automobile electronics, electric automobiles and the like. In the processing process of the battery pack, a plurality of lithium batteries are often combined, the lithium batteries are wrapped into groups through an aluminum plastic film, and then the positive electrodes and the negative electrodes of the lithium batteries are welded through positive electrode plates and negative electrode plates, so that the lithium batteries are electrically connected.

Most of the battery pack processing at present uses the welding device, and the fixed capacity is used for accommodating the battery pack of fixed quantity, but the quantity of battery packs is sometimes different during welding, so that the device has certain limitation in use, and the welding device is turned over manually after one surface is welded, so that time and labor are wasted, and the welding efficiency is reduced.

Disclosure of Invention

In order to solve the technical problems, the utility model adopts the following technical scheme.

The battery pack welding device comprises a workbench, wherein a mounting frame is arranged on the workbench, an X-axis electric sliding rail is arranged at the top of the inner wall of the mounting frame, a Y-axis electric sliding rail is arranged at the moving end of the X-axis electric sliding rail, an upper hydraulic telescopic cylinder is arranged at the moving end of the Y-axis electric sliding rail, and a welding head is connected with the telescopic end of the upper hydraulic telescopic cylinder;

the upper surface of the workbench is provided with a mounting groove, two sides of the workbench, which are positioned on the mounting groove, are respectively provided with a vertical plate, a clamping frame used for clamping a battery pack is arranged between the two vertical plates, the clamping space of the clamping frame is adjustable, two ends of the clamping frame are respectively fixed with rotating shafts, each rotating shaft is respectively arranged on the vertical plates in a rotating way, one rotating shaft is connected with a driven gear, the inner wall of the mounting rack is fixed with a turnover motor, and the output end of the turnover motor is connected with a driving gear meshed with the driven gear;

the mounting groove is internally provided with a lower hydraulic telescopic cylinder, and a supporting platform is fixed at the top of the lower hydraulic telescopic cylinder.

Preferably, the two opposite side walls of the two vertical plates and the inner walls of the two sides of the mounting groove are respectively provided with a communicated sliding groove, two ends of the supporting platform are respectively connected with a sliding block matched with the sliding groove, and the sliding blocks are arranged in the sliding grooves in a sliding way.

Preferably, the telescopic end of the upper hydraulic telescopic cylinder is connected with a top plate, a positioning groove is formed in the bottom of the top plate, the top of the welding head is connected with a mounting plate, and the two ends of the mounting plate, which are positioned in the positioning groove, are fixed on the top plate through bolts.

Preferably, the rear side of the clamping frame is provided with a movable clamping plate, clamping components are respectively arranged at two ends of the clamping plate, and the clamping plate is fixed on the inner walls of two sides of the clamping frame through the clamping components.

Preferably, a plurality of slots matched with clamping components are respectively formed in the inner walls of the two sides of the clamping frame, the clamping components comprise clamping grooves formed in the clamping plates, compression springs, limiting plates and clamping rods are sequentially connected in the clamping grooves, the clamping rods are correspondingly matched with the slots, the bottoms of the limiting plates are in sliding connection with the inner walls of the slots, moving rods are connected to the tops of the limiting plates, and openings for the moving rods to move are formed in the tops of the slots.

The utility model has the beneficial effects that:

1. the locating grooves formed in the top plate are matched with the mounting plates, the mounting plates are fixed on the top plate through bolts at two ends of the top plate, and the mounting mode is convenient for replacing and maintaining the butt welding joint.

2. According to the utility model, the two ends of the clamping frame are fixedly connected with the rotating shafts, the rotating shafts are in rotating connection with the vertical plates, the driving gear and the driven gear are meshed by starting the overturning motor, so that the battery pack in the clamping frame is overturned, the manual overturning is avoided, the time and the labor are wasted, and the welding efficiency in welding is improved; during overturning, the supporting table is matched with the lifting supporting table, during overturning, the lower hydraulic telescopic cylinder is controlled to drive the supporting table to descend, the overturning work is not affected, the supporting platform is enabled to ascend to the bottom of the battery pack and contact with the battery pack during welding, and stability during welding is improved.

3. According to the utility model, during welding, the holding quantity of the holding frame can be regulated according to the quantity of the battery packs, the holding plate on the holding frame is specifically regulated, the clamping rod is separated from the slot by pulling the moving rod until the clamping rod is regulated to a proper position, and the moving rod is loosened and rebounded into the slot under the action of the compression spring, so that the holding plate is more convenient to move and regulate, and the limitation of the device in use is reduced.

Drawings

FIG. 1 is a schematic overall construction of the structure of the present utility model;

FIG. 2 is a schematic view of a clamping frame;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

the reference numerals in the figures are: the device comprises a workbench, a turnover motor, a driving gear, a driven gear, a 5 mounting frame, a 6X-axis electric sliding rail, a 7Y-axis electric sliding rail, an 8-upper hydraulic telescopic cylinder, a 9 top plate, a 10 mounting plate, a 11 welding head, a 12 clamping frame, a 13 rotating shaft, a 14 sliding block, a 15 vertical plate, a 16 sliding groove, a 17-lower hydraulic telescopic cylinder, a 18 mounting groove, a 19 supporting platform, a 20 slot, a 21 clamping rod, a 22 moving rod, a 23 limiting plate, a 24 opening, a 25 compression spring, a 26 clamping groove and a 27 clamping plate.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Example 1

1-3, a battery pack welding device comprises a workbench 1, wherein a mounting frame 5 is arranged on the workbench 1, an X-axis electric sliding rail 6 is arranged at the top of the inner wall of the mounting frame 5, a Y-axis electric sliding rail 7 is arranged at the moving end of the X-axis electric sliding rail 6, an upper hydraulic telescopic cylinder 8 is arranged at the moving end of the Y-axis electric sliding rail 7, and a welding head 11 is connected with the telescopic end of the upper hydraulic telescopic cylinder 8; the welding head 11 is controlled to move in the X, Y, Z axial direction through the X-axis electric sliding rail 6, the Y-axis electric sliding rail 7 and the upper hydraulic telescopic cylinder 8 to weld the workpiece.

The upper surface of the workbench 1 is provided with a mounting groove 18, two sides of the workbench 1, which are positioned on the mounting groove 18, are respectively provided with a vertical plate 15, a clamping frame 12 for clamping a battery pack is arranged between the two vertical plates 15, the clamping space of the clamping frame 12 is adjustable, two ends of the clamping frame 12 are respectively fixed with a rotating shaft 13, each rotating shaft 13 is respectively rotatably arranged on the vertical plates 15, one rotating shaft 13 is connected with a driven gear 4, the inner wall of the mounting frame 5 is fixed with a turnover motor 2, and the output end of the turnover motor 2 is connected with a driving gear 3 meshed with the driven gear 4; the overturning motor 2 is started, the driving gear 3 is meshed with the driven gear 4, the rotating shaft 13 drives the clamping frame 12 to rotate, and therefore the battery pack in the clamping frame 12 is overturned, and overturning welding of the other side is achieved after welding of one side is completed.

The rear side of the clamping frame 12 is a movable clamping plate 27, clamping components are respectively arranged at two ends of the clamping plate 27, a plurality of slots 20 matched with the clamping components are respectively formed in inner walls of two sides of the clamping frame 12, the clamping components comprise clamping grooves 6 formed in the clamping plate 27, compression springs 25, limiting plates 23 and clamping rods 21 are sequentially connected in the clamping grooves 6, the clamping rods 21 are correspondingly matched with the slots 20, the bottoms of the limiting plates 23 are in sliding connection with the inner walls of the slots 20, moving rods 22 are connected to the tops of the limiting plates 23, and openings 24 for the moving rods 22 to move are formed in the tops of the slots 20. Pulling the movable rod 22 to compress the compression spring 25, separating the clamping rod 21 from the slot 20, moving the position of the movable rod 22 according to the number of the battery packs, and loosening the movable rod 22 to clamp the movable rod 22 into the slot 20 after moving to a proper position, so that the movable rod 22 is fixed on the inner wall of the clamping frame 12, and the device is suitable for welding work of battery packs with different numbers, so that the application range of the device is enlarged.

A lower hydraulic telescopic cylinder 17 is arranged in the mounting groove 18, and a supporting platform 19 is fixed at the top of the lower hydraulic telescopic cylinder 17. The two opposite side walls of the two vertical plates 15 and the inner walls of the two sides of the mounting groove 18 are respectively provided with a communicated sliding groove 16, two ends of the supporting platform 19 are respectively connected with a sliding block 14 matched with the sliding groove 16, and the sliding blocks 14 are arranged in the sliding groove 16 in a sliding way. The support platform 19 can support the battery pack in the clamping frame 12 during welding, so that stability during welding is improved.

The telescopic end of the upper hydraulic telescopic cylinder 8 is connected with a top plate 9, a positioning groove is formed in the bottom of the top plate 9, the top of the welding head 11 is connected with a mounting plate 10, the mounting plate 10 is located in the positioning groove, two ends of the mounting plate are fixed on the top plate 9 through bolts, the top plate 9 can be taken out from the positioning groove through unscrewing the bolts, and then the welding head 11 is replaced when damaged.

When the above embodiment is used, after one side of the battery pack is welded, when the battery pack needs to be overturned, the lower hydraulic telescopic cylinder 17 is started first, so that the supporting platform 19 descends into the mounting groove 18, the influence on the overturning of the clamping frame 12 is avoided, after the overturning is finished, the lower hydraulic telescopic cylinder 17 is started again, the supporting platform 19 moves upwards until the supporting platform moves to the bottom of the battery pack and supports the battery pack, and the lower hydraulic telescopic cylinder 17 is a multi-stage hydraulic telescopic cylinder.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof; any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The battery pack welding device comprises a workbench (1), wherein a mounting frame (5) is arranged on the workbench (1), and is characterized in that an X-axis electric sliding rail (6) is arranged at the top of the inner wall of the mounting frame (5), a Y-axis electric sliding rail (7) is arranged at the moving end of the X-axis electric sliding rail (6), an upper hydraulic telescopic cylinder (8) is arranged at the moving end of the Y-axis electric sliding rail (7), and a welding head (11) is connected with the telescopic end of the upper hydraulic telescopic cylinder (8);

the automatic battery pack overturning device is characterized in that an installing groove (18) is formed in the upper surface of the workbench (1), vertical plates (15) are respectively arranged on two sides of the installing groove (18) on the workbench (1), a clamping frame (12) for clamping a battery pack is arranged between the two vertical plates (15), the clamping space of the clamping frame (12) is adjustable, rotating shafts (13) are respectively fixed at two ends of the clamping frame (12), each rotating shaft (13) is respectively arranged on the vertical plates (15) in a rotating mode, a driven gear (4) is connected to one rotating shaft (13), an overturning motor (2) is fixed on the inner wall of the installing frame (5), and a driving gear (3) meshed with the driven gear (4) is connected to the output end of the overturning motor (2);

a lower hydraulic telescopic cylinder (17) is arranged in the mounting groove (18), and a supporting platform (19) is fixed at the top of the lower hydraulic telescopic cylinder (17).

2. The battery pack welding apparatus of claim 1, wherein: the two opposite side walls of the two vertical plates (15) and the inner walls of the two sides of the mounting groove (18) are respectively provided with a communicated sliding groove (16), two ends of the supporting platform (19) are respectively connected with a sliding block (14) matched with the sliding grooves (16), and the sliding blocks (14) are arranged in the sliding grooves (16) in a sliding mode.

3. The battery pack welding apparatus of claim 1, wherein: the telescopic end of the upper hydraulic telescopic cylinder (8) is connected with a top plate (9), a positioning groove is formed in the bottom of the top plate (9), the top of the welding head (11) is connected with a mounting plate (10), and the two ends of the mounting plate (10) in the positioning groove are fixed on the top plate (9) through bolts.

4. The battery pack welding apparatus of claim 1, wherein: the rear side of the clamping frame (12) is provided with a movable clamping plate (27), clamping components are respectively arranged at two ends of the clamping plate (27), and the clamping plate (27) is fixed on the inner walls of two sides of the clamping frame (12) through the clamping components.

5. The battery pack welding apparatus of claim 4, wherein: a plurality of slots (20) matched with clamping components are respectively formed in the inner walls of the two sides of the clamping frame (12), the clamping components comprise clamping grooves (26) formed in clamping plates (27), compression springs (25), limiting plates (23) and clamping rods (21) are sequentially connected in the clamping grooves (26), the clamping rods (21) are correspondingly matched with the slots (20), the bottoms of the limiting plates (23) are in sliding connection with the inner walls of the slots (20), moving rods (22) are connected to the tops of the limiting plates (23), and openings (24) for the moving rods (22) to move are formed in the tops of the slots (20).