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This pouch cell secondary sealing and cutting all-in-one-machine is applicable to the final vacuum sealing and cutting air bag after electrolyte filling and formation for the small and medium size pouch cells.
Main features:
The upper and lower cutters are processed by high-speed steel, with high hardness and good wear resistance. The service life of grinding is more than 100000 times, and it can be grinded for 10 times.
The cutter function can be turned on or off on the touch screen.
There are special waste boxes at the bottom of the rack to collect waste materials.
Equipment introduction (including action flow or process flow)
This machine is suitable for vacuum sealing and cutting of pouch cells. The machine is a rotary table type three station rotation structure, and the three stations enter the vacuum sealing and edge cutting stations in turn. The battery clamping does not affect the efficiency of the equipment.
After the cell is put into the feeding port on the rotary table, press the start button, the rotary table rotates 120 degrees, the first station is the working area for vacuum and sealing, the vacuum chamber is closed, and the vacuum pump starts to vacuumize. When the vacuum degree in the vacuum chamber reaches a lower setting value, the bayonet acts to puncture the air bag, so as to avoid contact with air inside the cell. After the vacuum degree in the vacuum chamber reaches the limit vacuum degree, the upper sealing head acts to complete the sealing. The second station is the cutting station. The upper cylinder drives the upper cutter and the lower cylinder drives the lower cutter for cutting. It works in such a cycle.
Process flow
Manual put the cells into the feeding port → Puncture the air bag and final vacuum sealing → Cutting the air bag → Manual unload the cells
Technical parameters and requirements
| Cell dimensions: | Length 50-350mm * width 20-300mm (including air bag) * thickness 2-12mm. |
| Capacity: | About 200 pieces/hour (related to product geometry and sealing process), with automatic capacity statistics function. |
| Double station turntable, positioning accuracy: | ± 0.02mm |
| Head working temperature range: | MAX 300ºC |
| Temperature range: | Room temperature~300 ºC, continuously adjustable; The temperature control accuracy is 0.1 ºC, and the surface temperature difference of the same head is ≤ 5 ºC |
| Head sealing time: | 1-99 seconds adjustable |
| Time accuracy: | ± 0.1 s |
| Head length: | 350mm |
| Sealing thickness: | ± 5 um (the same position in normal production), all positions of the same cell and the same sealing edge |
| Thickness difference | ≤ 15 um |
| Head parallelism: | Use triple carbon-free copy paper, and the seal pressed at 170 ºC shall be uniform |
| Head misalignment accuracy: | ± 0.1mm |
| Head material: | Copper |
| Sealing head width: | 5mm (provide the seal width of acceptance products when placing an order) |
| The vacuum degree can reach - 99 Kpa when the vacuum pumping time is less than 20 seconds (the pumping rate of vacuum pump is required to be no less than 3L/S) | |
| The lower head has the manual adjustment function, which is convenient for machine adjustment. | |
| Cutter material: | High speed steel |
| Cutting width: | 2~10mm adjustable |
| Service life of cutter: | 100000 times for single grinding |
| Exhaust fan is installed in the equipment: | Speed 2700/min, air volume 2m/min |
| External dimensions | ≈ L1460mm * W1600mm * H1812mm |
| Weight: | About 1200kg |
| The equipment is equipped with stainless steel liquid storage tank for electrolyte collection and storage: | 1. It can be collected for about 4 hours under the condition of continuous production; |
| 2. With sealing property, it can reduce the odor caused by electrolyte volatilization; | |
| 3. Openable cover: easy to clean. | |
| Power: | 3.3KW single-phase 220V 50Hz |
| Aluminum alloy and sheet metal paint baking door is used, and the door is equipped with a switch. When the door is opened, the machine will stop automatically to prevent personal injury. | |
| The operation console is installed with door plate protection | |
| Paste safety signs at high temperature sealing places | |
Installation environment requirements and supporting requirements
| Ambient temperature: | 15ºC~35ºC; |
| Relative humidity: | ≤70%, no condensation, no flammable and corrosive gas; |
| Cleanliness: | 100000 |
| Main power supply: | AC220±10%, 50HZ |
| Compressed air: | Pressure ≥0.6MP, flow 1m3/min, outer diameter of interface pipe 10mm, quick connector; |
| Compressed air quality requirements: | A. Maximum particle diameter ≤1um. The maximum particle concentration is less than 1mg/m3; |
| B. Maximum pressure dew point: 0ºC; | |
| C. Oil content: ≤5mg/m3 |
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