Fabrication method of assembly line and assembly process of metal shell power battery
Release time:
2020-08-22 15:40
Source:
Further, the front fixture and the back fixture of the clamping core device are provided with a core soft connection shaping groove; The welding cache drawstring can rotate, and the adhesive feeding drawstring can rotate; The number of the core clamping fixture is six.
[0012] Further, the two side gluing mechanism and the middle gluing mechanism of the automatic cell gluing device are arranged vertically to each other.
[0013] Further, the protective film loading manipulator of the automatic protective film thickness measuring device is a double-station grasping structure, and the number of the protective film mechanism is two sets.
[0014] Further, the aluminum shell feeding and pulling belt of the automatic battery into the shell device is provided with a blowing and vacuuming cleaning mechanism.
[0015] Metal shell power battery assembly process, which includes the following steps:
Step I, the upper core manipulator of the charging conveyor and transition transfer device takes the core from the blanking pull belt of the winding machine to the core conveyor belt. One core transfer manipulator takes the core of the conveyor belt to the transition pull belt, and the other core transfer manipulator takes the core of the transition pull belt to the next station;
Step 2: The core of the charging conveyor and the transition pull belt of the transition transfer device of the previous station enters the cache pull belt of the hot pressing and H1-pot test device. The upper and lower hot pressing manipulator of the upper core takes the unpressed core of the cache pull belt to the hot pressing station of the hot pressing and H1-pot test device. The hot pressing and H1-pot testing institution carries out hot pressing and H1-pot testing on the battery cell, and automatically judges "NG" or "0K". The hot pressing manipulator up and down the battery cell sends the hot pressed battery cell from the hot pressing station of the hot pressing and H1-pot testing institution to the battery cell discharging strip, and the NG blanking manipulator sends the "NG" battery cell to the NG blanking strip. The cutting manipulator will take the "0K" core to the core pulling belt, into the next station;
Step 3: The cell sent by the cell discharging pull belt of the hot pressing and H1-pot test device in the previous station enters the double cell fine positioning mechanism of the battery prewelding and vacuuming and insulation resistance test device. The welding fixture on the double cell is carried out by the mechanical hand of the welding fixture to the welding fixture, and the ultrasonic welding machine welding and vacuuming the double cell. The insulation resistance test is carried out by the insulation resistance tester, and the automatic identification of "NG" and "0K", and then the prewelding NG blanking manipulator will take the "NG" product to the prewelding NG blanking strip for removal, "0K" products continue to be transported along the core assembly conveyor line to the next station;
Step 4: The double core of positive and negative lug has been welded by the battery prewelding vacuuming and insulation resistance testing device in the previous station, and it is transported to the corresponding working position of the cover feeding mechanism of the cover welding vacuuming and flattening device along the transmission line of the cell assembly. The cover feeding mechanism adopts the double-station feeding structure to continuously load the cover to the welding fixture clamping the double cell. The cover plate welding dust absorption mechanism welds and vacuums the cover plate and double core, and then the cover plate flattening mechanism flattens the cover plate. The double core of the welded cover plate is taken by the welding blanking manipulator to the welding blanking cache pull belt and sent to the next station;
Step 5: The double cells of the battery prewelding vacuum-absorbing and insulation resistance testing devices in the previous station enter the anti-static workbench along with the welding blanking cache pull belt. The core-closing fixture includes the front fixture and the back fixture respectively clamping two half cells, and then the front fixture and the back fixture are closed, and the two half cells are core-closing. After the core-closing, the cells are placed in the storage area of the cells. Then enter the next station with the adhesive feeding pull belt;
The sixth step, from the last station of the core-closing fixture device along the glue feeding pull belt to transport the core-closing core, automatic core-sticking device
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