CN-224217503-U - Lithium battery packaging machine

Abstract

The utility model relates to a packaging machine, and provides a lithium battery packaging machine which comprises a workbench, a supporting frame, a rotating seat, a rotating platform, supporting plates and the like, wherein the supporting frame is arranged on the workbench, the rotating seat is arranged at the lower part in the workbench, the rotating platform is arranged at the top of the rotating seat, the rotating seat drives the rotating platform to intermittently rotate anticlockwise by 90 degrees, and four supporting plates are circumferentially arranged on the rotating platform. According to the utility model, the flexible pressing mechanism is arranged, when the battery cells placed between the two layers of aluminum plastic films are packaged, the surface of the battery cells can be completely covered on the film materials for coating the battery cells, the gas in the two films is discharged, and the applied pressure of each area is uniform, so that the problems of local stress concentration, uneven thickness or gas residue after melting and the like caused by traditional rigid pressing are effectively avoided, the packaging tightness and the battery cell safety are obviously improved, and meanwhile, the self-adaptive deformation characteristic of the battery cells can be compatible with the packaging process requirements of the battery cells with different thicknesses.

Inventors

• CAO ZHONGHUA
• Cao Sike

Assignees

• 江西盛全新能源技术有限公司

Dates

Publication Date

20260508

Application Date

20250427

Claims (6)

1. 1. A lithium battery packaging machine comprises a workbench (1); The pressing machine is characterized by further comprising a supporting frame (2), a rotating seat (3), a rotating platform (4), supporting plates (5), a drainage seat (6) and an electric cylinder (8), wherein the supporting frame (2) is arranged on the workbench (1), the rotating seat (3) is arranged at the lower part in the workbench (1), the rotating platform (4) is arranged at the top of the rotating seat (3), the rotating seat (3) drives the rotating platform (4) to intermittently rotate at 90 degrees anticlockwise, four supporting plates (5) are circumferentially arranged on the rotating platform (4), the supporting plates (5) are provided with the drainage seat (6), a discharging groove is formed in the drainage seat (6), a plurality of interfaces (602) for introducing heat flow and a plurality of heat flow outlets (601) are formed in the drainage seat (6), the interfaces (602) are communicated with the heat flow outlets (601), the heat flow outlets (601) face to one side of the discharging groove, the right side of the upper part of the supporting frame (2) is vertically provided with the electric cylinder (8), the electric cylinder (8) is located above a rotating path of the rotating platform (4), the electric cylinder (8) is provided with a flexible driving mechanism for driving the electric cylinder (8) to move along with the flexible pressing mechanism.
2. 2. The lithium battery packaging machine as claimed in claim 1, wherein the flexible pressing mechanism comprises a fixing seat (81), a framework (82), a liquid bag (83), a sealing frame (84) and a pressing cylinder (85), the fixing seat (81) is fixedly connected to the lower end of a driving rod of the electric cylinder (8), the driving rod is lifted along with the stretching of the electric cylinder (8), a liquid injection and drainage module and a pressure control unit are arranged in the fixing seat (81), the liquid bag (83) is arranged at the lower part of the fixing seat (81), the liquid bag (83) is communicated with the liquid injection and drainage module in the fixing seat (81), the framework (82) is arranged at the lower part of the fixing seat (81) and surrounds the outside of the liquid bag (83) for maintaining the shape of the liquid bag (83), the pressing cylinder (85) is vertically arranged at the front side and the rear side of the fixing seat (81), the sealing frame (84) is connected between the lower parts of movable rods of the pressing cylinder (85), and the sealing frame (85) is driven by the pressing cylinder (85) to move up and down.
3. 3. The lithium battery packaging machine according to claim 2, further comprising cushion blocks (7), wherein the cushion blocks (7) with profiling positioning grooves are arranged in the material placing grooves.
4. 4. The lithium battery packaging machine according to claim 3, further comprising a rechecking machine (9), wherein the rechecking machine (9) is arranged at the rear side of the upper part of the supporting frame (2), and the detection end of the rechecking machine (9) faces downwards.
5. 5. The lithium battery packaging machine according to claim 4, further comprising a discharging table (13), wherein the discharging table (13) is arranged on the front side and the left side of the workbench (1).
6. 6. The lithium battery packaging machine according to claim 5, further comprising a transmission part (10), a material taking cylinder (11) and a sucker frame (12), wherein the transmission part (10) is arranged on the seat side of the upper part of the supporting frame (2), the material taking cylinder (11) is arranged on the transmission part (10), the sucker frame (12) is arranged at the lower end of a movable rod of the material taking cylinder (11), the transmission part (10) drives the material taking cylinder (11) to move left and right, and further drives the sucker frame (12) to move left and right, and when the sucker frame (12) moves right, the sucker frame passes over the left discharging table (13).

Description

Lithium battery packaging machine Technical Field The utility model relates to a packaging machine, in particular to a lithium battery packaging machine. Background The battery package is characterized in that the battery cell is placed between two layers of aluminum plastic films, the PP surfaces of the two layers of aluminum plastic films are opposite, and the two layers of aluminum plastic films are heated and pressurized through the pressing part, so that the PP layers of the aluminum plastic films are melted and are completely melted together to form a whole, and the sealing effect of the battery cell package is realized. In the existing battery heat sealing processing process, a rigid single-point pressurizing mode is generally adopted for the pressing component, during processing, serious uneven pressure distribution is prone to occur, insufficient melting occurs in the edge area of the battery due to pressure attenuation, excessive material compression is caused in the central area due to pressure concentration, meanwhile, deformation of a large-size battery after being heated cannot be compensated by equipment, thickness fluctuation of a sealing layer is caused, packaging reliability is reduced due to the defects, and electrolyte leakage and thermal runaway risks are aggravated due to local overheating and pressure imbalance. Disclosure of utility model In order to overcome the defects in the prior art, the lithium battery packaging machine is provided. The technical scheme includes that the lithium battery packaging machine comprises a workbench, a supporting frame, a rotating seat, a rotating platform, supporting plates, a drainage seat and an electric cylinder, wherein the supporting frame is arranged on the workbench, the rotating seat is arranged at the lower part in the workbench, the rotating platform is arranged at the top of the rotating seat, the rotating seat drives the rotating platform to rotate anticlockwise by 90 degrees intermittently, four supporting plates are circumferentially arranged on the rotating platform, the drainage seat is arranged on the supporting plates, a discharge groove is arranged on the drainage seat, a plurality of interfaces for introducing heat flow and a plurality of heat flow outlets are arranged on the drainage seat, a drainage channel is arranged in the drainage seat, the interfaces are communicated with the heat flow outlets, the heat flow outlets face one side of the discharge groove, the electric cylinder is vertically arranged on the right side of the upper part of the supporting frame and is positioned above a rotating path of the rotating platform, a flexible pressing mechanism is arranged on a driving rod of the electric cylinder, and the flexible pressing mechanism moves up and down along with the action of a driving rod of the electric cylinder. Further, flexible pressing mechanism includes fixing base, skeleton, liquid bag, seals frame and pressfitting cylinder, fixing base fixed connection is at the actuating lever lower extreme of electric jar, flexible and go up and down along with the electric jar, the fixing base is inside to be equipped with annotates flowing back module and pressure control unit, the liquid bag is installed to the fixing base lower part, annotate flowing back module in liquid bag and the fixing base is linked together, the fixing base lower part is equipped with the skeleton, the skeleton surrounds the outside setting of liquid bag for maintain the main part shape of liquid bag, both sides are all vertical to be equipped with the pressfitting cylinder around the fixing base, be connected with the banding frame between the movable rod lower part of pressfitting cylinder, the pressfitting cylinder drives and seals the frame and reciprocate. Further, the automatic feeding device also comprises a cushion block, and cushion blocks with profiling positioning grooves are arranged in the feeding groove. Further, the device also comprises a rechecking machine, wherein the rechecking machine is arranged at the rear side of the upper part of the supporting frame, and the detection end of the rechecking machine faces downwards. Further, the automatic feeding device also comprises a feeding table, and the feeding tables are arranged on the front side and the left side of the workbench. Further, still including the driving medium, get material cylinder and sucking disc frame, braced frame upper portion seat side is equipped with the driving medium, is equipped with on the driving medium and gets material cylinder, and the movable rod lower extreme of getting material cylinder is equipped with the sucking disc frame, and the driving medium drives and gets material cylinder and control the removal, and then drives sucking disc frame and control the removal, and when sucking disc frame moved right, it can be followed left blowing platform top and passed through. The flexible lamination mechanism has the beneficial effects that when the bat