Device and method for removing tab glue through scraper heating
A technology of heating device and ear glue, which is applied in the direction of structural parts, battery pack parts, sealing materials, etc., can solve the problems of high production cost, low product energy density, low pass rate, etc.
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specific Embodiment approach 1
[0032] like Figures 1 to 4 As shown, a scraper heating device for removing polar ear glue includes scraper 3, heating device 2, cleaning device 5 and a controller. On one side of the scraper 3 , the heating device 2 and the scraper 3 are arranged side by side, and the side-by-side arrangement can facilitate the scraping of the tab glue 4 on the top of the battery cell 1 .
[0033] Preferably, the blade angle of the scraper 3 is 15-45°, which ensures that the blade is sharp and can quickly scrape off the tab rubber 4; the best blade angle of the scraper 3 is 19°, which has the characteristics of convenient processing and high scraping efficiency. . The material of the scraper 3 is metal or non-metal; the metal is made of tungsten steel, and the non-metal is made of ceramic. Of course, the scraper 3 can also be set to other materials.
[0034] Preferably, the heating device 2 includes a heating rod, a temperature detection probe, a temperature controller and a conductor wrapp...
specific Embodiment approach 2
[0037] like Figure 1-5 As shown, a method for removing polar ear glue by heating a scraper comprises the following steps:
[0038] Step 1: Measure the distance from the top edge of the tab glue on the A / B side of the cell to the outer edge of the top sealing edge of the cell to be 2-3mm (the size of the tab glue is 5mm wide and 8mm long), in order to control the size of the tab glue after top sealing. (≤1mm), use the heating device 2 to heat the tab glue 4 that needs to be removed from the A / B side to 100-250°C (the specific temperature is related to the material) to ensure that the tab glue 4 is melted and non-liquid such as figure 1 ;
[0039] Step 2, when heated until the tab glue 4 is in a semi-melted to molten state, the scraper 3 presses down the A / B surface of the tab glue 4 (the scraper is pressed down by 0.1mm), so that the depth of the pressing is equal to the depth of the tab glue. thickness;
[0040] Step 3, after pressing down to the corresponding position, th...
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