Automatic assembling and welding device for battery module

Abstract

The utility model discloses an automatic battery module assembling and welding device which comprises a placing table, a mounting groove is formed in the surface of the placing table, a double-shaft motor is fixedly connected in the mounting groove, two output shafts of the double-shaft motor are fixedly connected with threaded rods, the outer surfaces of the two threaded rods are in threaded connection with threaded blocks, and the threaded blocks are in threaded connection with the two output shafts of the double-shaft motor. The lower ends of the two threaded blocks are both slidably connected with the bottom wall of the mounting groove, the upper ends of the two threaded blocks are both fixedly connected with clamping bases, first positioning plates are symmetrically arranged on one sides of the clamping bases, racks are fixedly connected to the other sides of the clamping bases, and second positioning plates are arranged on the same sides of the clamping bases. According to the battery module clamping device, the mounting groove, the double-shaft motor, the threaded rod and the threaded block are arranged to drive two clamping seats to move, a second positioning plate is driven to move through a rack, a connecting plate, a transmission motor and a straight gear, battery modules formed by stacking different batteries can be conveniently clamped and positioned, and compatibility and universality are high.

Description

Technical Field

[0001] The utility model relates to the technical field of battery module welding equipment, in particular to an automatic assembly welding device for a battery module. Background Art

[0002] A battery module is generally composed of multiple batteries. During the production process, multiple batteries are built into a casing, and the batteries are connected in series or in parallel through connecting plates and copper bars to realize the positive and negative electrodes of the battery module. The connecting plates and copper bars are usually connected to the batteries by welding. However, existing clamps are generally fixed, that is, a clamp can only fix battery modules of the same size. Since the battery modules formed by stacking different batteries have different sizes, that is, the lengths and widths are different, the existing clamps cannot achieve compatible clamping and fixing of battery modules of various sizes. In this way, it takes a long time to install the clamp before product welding and disassemble the clamp after welding, which affects the product production efficiency. Utility Model Content

[0003] The purpose of the utility model is to provide an automatic assembly welding device for battery modules, which can drive two clamping seats to move through mounting grooves, dual-axis motors, threaded rods, and threaded blocks, and drive the second positioning plate to move through racks, connecting plates, transmission motors, and spur gears, so as to facilitate the clamping and positioning of battery modules formed by stacking different batteries, and has strong compatibility and versatility.

[0004] To achieve the above-mentioned purpose, a battery module automatic assembly welding device is provided, comprising a placement table, a mounting groove is provided on the surface of the placement table, a dual-axis motor is fixedly connected inside the mounting groove, both output shafts of the dual-axis motor are fixedly connected to threaded rods, the outer surfaces of the two threaded rods are threadedly connected to threaded blocks, the lower ends of the two threaded blocks are slidably connected to the bottom wall of the mounting groove, the upper ends of the two threaded blocks are fixedly connected to a clamping seat, and a first positioning plate is symmetrically provided on one side of the clamping seat;

[0005] A rack is fixedly connected to the other side of the clamping seat, and a second positioning plate is provided on the same side of the clamping seat. The upper end of the second positioning plate is fixedly connected to a connecting plate, and the upper end of the connecting plate is fixedly connected to a transmission motor, and the output shaft of the transmission motor is fixedly connected to a spur gear. The upper end of the placement table is mounted on a mounting frame, and one side of the mounting frame is fixedly connected to a welding mechanism, and a laser welding head is provided at the lower end of the welding mechanism.

[0006] According to the battery module automatic assembly welding device, one end of the two threaded rods is fixedly connected to a bearing, and the two bearings are respectively fixed to the two side walls of the mounting groove.

[0007] According to the battery module automatic assembly welding device, the spur gear is meshed with the rack.

[0008] According to the battery module automatic assembly welding device, a slide groove is provided on the end surface of the clamping seat, a slide rod is fixedly connected to the inside of the slide groove, and a slider is slidably connected to the outer surface of the slide rod.

[0009] According to the battery module automatic assembly welding device, one side of the sliding block is fixedly connected to one side of the second positioning plate.

[0010] According to the battery module automatic assembly welding device, the mounting frame is an "L-shaped frame".

[0011] According to the battery module automatic assembly welding device, the second positioning plate is located between the two first positioning plates.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The battery module automatic assembly welding device drives two clamping seats to move by providing mounting slots, dual-axis motors, threaded rods, and threaded blocks, and drives the second positioning plate to move by means of racks, connecting plates, transmission motors, and spur gears, so as to facilitate the clamping and positioning of battery modules formed by stacking different batteries, and has strong compatibility and versatility.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 A three-dimensional diagram of the automatic assembly welding device for battery modules of the utility model;

[0017] Figure 2 It is a partial cross-sectional view of the placement table of the battery module automatic assembly welding device of the utility model;

[0018] Figure 3 For the utility model Figure 1 An enlarged schematic diagram of the structure at A in the middle;

[0019] Figure 4 It is a structural schematic diagram of a clamping seat of a battery module automatic assembly welding device of the utility model.

[0020] In the figure: 1. placing table; 2. mounting groove; 3. dual-axis motor; 4. threaded rod; 5. threaded block; 6. bearing; 7. clamping seat; 8. first positioning plate; 9. rack; 10. second positioning plate; 11. connecting plate; 12. transmission motor; 13. spur gear; 14. slide groove; 15. slide rod; 16. slide block; 17. mounting frame; 18. welding mechanism; 19. laser welding head. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 The embodiment of the utility model provides a technical solution: a battery module automatic assembly welding device, including a placement table 1, a mounting groove 2 is opened on the surface of the placement table 1, a dual-axis motor 3 is fixedly connected inside the mounting groove 2, both output shafts of the dual-axis motor 3 are fixedly connected with threaded rods 4, the outer surfaces of the two threaded rods 4 are threadedly connected with threaded blocks 5, the upper ends of the two threaded blocks 5 are fixedly connected with clamping seats 7, and a first positioning plate 8 is symmetrically arranged on one side of the clamping seat 7. By setting the mounting groove 2, the dual-axis motor 3, the threaded rod 4, and the threaded block 5, the two clamping seats 7 are driven to move, and then the battery module is clamped;

[0023] A rack 9 is fixedly connected to the other side of the clamping seat 7, and a second positioning plate 10 is arranged on the same side of the clamping seat 7. The upper end of the second positioning plate 10 is fixedly connected to a connecting plate 11, and the upper end of the connecting plate 11 is fixedly connected to a transmission motor 12, and the output shaft of the transmission motor 12 is fixedly connected to a spur gear 13. The second positioning plate 10 is driven to move through the rack 9, the connecting plate 11, the transmission motor 12, and the spur gear 13, and cooperates with the first positioning plate 8 to facilitate the clamping and positioning of battery modules formed by different battery stacks, with strong compatibility and versatility. The upper end mounting frame 17 of the placement table 1, one side of the mounting frame 17 is fixedly connected to a welding mechanism 18, and the lower end of the welding mechanism 18 is provided with a laser welding head 19. By setting the welding mechanism 18 and the laser welding head 19, it is convenient to weld the battery module.

[0024] One end of the two threaded rods 4 is fixedly connected with bearings 6. By setting the bearings 6, the rotation of the threaded rod 4 is facilitated. The two bearings 6 are respectively fixed to the two side walls of the mounting groove 2. The lower ends of the two threaded blocks 5 are slidably connected to the bottom wall of the mounting groove 2. By setting a sliding connection with the bottom wall of the mounting groove 2, the threaded block 5 is prevented from rotating with the rotation of the threaded rod 4. The spur gear 13 is meshed with the rack 9. A slide groove 14 is provided on the end face of the clamping seat 7. A slide rod 15 is fixedly connected to the inside of the slide groove 14. A slider 16 is slidably connected to the outer surface of the slide rod 15. One side of the slider 16 is fixedly connected to one side of the second positioning plate 10. By setting the slide groove 14, the slide rod 15 and the slider 16, the movement of the second positioning plate 10 is facilitated, and the second positioning plate 10 is prevented from deflecting. The mounting frame 17 is an "L-shaped frame". The second positioning plate 10 is located between the two first positioning plates 8.

[0025] Working principle: When in use, turn on the power supply, place the stacked battery module between the two clamping seats 7, start the dual-axis motor 3, the dual-axis motor 3 drives the threaded rod 4 to rotate, the threaded rod 4 drives the threaded block 5 to move, the threaded block 5 drives the clamping seat 7 to move, the clamping seat 7 clamps the battery module, start the transmission motor 12, the transmission motor 12 drives the spur gear 13 to rotate, the spur gear 13 rotates while moving on the rack 9, and then drives the connecting plate 11 and the second positioning plate 10 to move, clamps and positions the two outer sides of the battery module, and welds the battery module through the welding mechanism 18 and the laser welding head 19.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A battery module automatic assembly welding device, comprising a placement table (1), characterized in that: The surface of the placement table (1) is provided with a mounting groove (2), the interior of the mounting groove (2) is fixedly connected with a dual-axis motor (3), the two output shafts of the dual-axis motor (3) are fixedly connected with threaded rods (4), the outer surfaces of the two threaded rods (4) are threadedly connected with threaded blocks (5), the lower ends of the two threaded blocks (5) are slidably connected to the bottom wall of the mounting groove (2), the upper ends of the two threaded blocks (5) are fixedly connected with a clamping seat (7), and a first positioning plate (8) is symmetrically provided on one side of the clamping seat (7); A rack (9) is fixedly connected to the other side of the clamping seat (7); a second positioning plate (10) is provided on the same side of the clamping seat (7); a connecting plate (11) is fixedly connected to the upper end of the second positioning plate (10); a transmission motor (12) is fixedly connected to the upper end of the connecting plate (11); a spur gear (13) is fixedly connected to the output shaft of the transmission motor (12); an upper end mounting frame (17) of the placement table (1) is fixedly connected to one side of the mounting frame (17); a welding mechanism (18) is fixedly connected; a laser welding head (19) is provided at the lower end of the welding mechanism (18).

2. The battery module automatic assembly welding device according to claim 1, characterized in that: One end of each of the two threaded rods (4) is fixedly connected to a bearing (6), and the two bearings (6) are respectively fixed to two side walls of the mounting groove (2).

3. The battery module automatic assembly welding device according to claim 1, characterized in that: The spur gear (13) meshes with the rack (9).

4. The battery module automatic assembly welding device according to claim 1, characterized in that: The end surface of the clamping seat (7) is provided with a slide groove (14), the interior of the slide groove (14) is fixedly connected to a slide rod (15), and the outer surface of the slide rod (15) is slidably connected to a slider (16).

5. The battery module automatic assembly welding device according to claim 4, characterized in that: One side of the sliding block (16) is fixedly connected to one side of the second positioning plate (10).

6. The battery module automatic assembly welding device according to claim 1, characterized in that: The mounting frame (17) is an "L-shaped frame".

7. The battery module automatic assembly welding device according to claim 1, characterized in that: The second positioning plate (10) is located between the two first positioning plates (8).

Images