Rubberizing device for lithium ion battery pole piece, rubberizing machine with rubberizing device for lithium ion battery pole piece, and rubberizing method of rubberizing machine
A technology of lithium-ion battery and gluing device, which is applied in the direction of battery electrodes, non-aqueous electrolyte battery electrodes, negative electrodes, etc., and can solve problems such as difficulty in gluing ultra-thin lithium-ion battery pole pieces
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Embodiment 1
[0053] see figure 1 , figure 2 and Figure 4 , the lithium-ion battery polar piece gluing device of the present embodiment includes a pole piece bottom mold 1, a gluing die head 2 and a controller 3; see image 3 , the pole piece bottom mold 1 is provided with a pole piece cavity 11 capable of accommodating and positioning the pole piece, and the lower end of the gluing die head 2 cooperates with the pole piece cavity 11 so that the lower end of the gluing die head 2 can be embedded in the pole piece cavity In 11, the lower end surface of the gluing die 2 has a closed convex gluing surface 21, and the gluing die 2 is provided with a heating element (not shown in the figure), and the heating element is electrically connected to the controller 3 .
[0054] see Figure 4 , a temperature control element (not shown in the figure) is provided on the gluing die head 2, the temperature control element is electrically connected to the controller 3, and the temperature control elem...
Embodiment 2
[0066] This embodiment is a gluing machine applying the lithium-ion battery pole piece gluing device of Embodiment 1, see figure 1 and figure 2 , the gluing machine of the present embodiment has three kinds of designs:
[0067] The first design scheme: including a frame and a driver 6, the frame includes a frame platform 4 and a support 5, the pole piece bottom mold 1 is arranged at the bottom of the support 5, and the adhesive die head 2 is arranged at the bottom of the support 5 The upper part of the support 5 is driven by a driver 6 , the controller 3 is arranged on the frame platform 4 , and the driver 6 is electrically connected to the controller 3 . The gluing die head 2 is connected to the driver 6 through a connecting plate 9, and two linear guide rails 7 are arranged symmetrically on the connecting plate 9 to ensure the stability of the gluing die head 2 movement. A buffer device 8 is provided between the lower end of the pole piece bottom mold 1 and the bottom of ...
Embodiment 3
[0078] This embodiment is the gluing method using the gluing machine of Embodiment 2.
[0079] The first glue method is:
[0080] see figure 1 , image 3 , Figure 4 and Figure 13 :
[0081] Step a) placing the hot melt rubber ring 200 in the pole piece cavity 11;
[0082] Step b) put the lithium-ion battery pole piece 100, the side of the lithium-ion battery pole piece 100 with the electrode paste 101 facing down, the electrode paste 101 of the lithium-ion battery pole piece 100 corresponds to the hollow part of the hot-melt rubber ring 200, the lithium-ion battery The position without electrode paste around the pole piece 100 corresponds to the top of the hot-melt rubber ring 200;
[0083] Step c) Turn on the heating element to heat the adhesive die head 2 to the set temperature;
[0084] Step d) Turn on the driver 6, the driver 6 drives the adhesive die head 2 to move down to the raised adhesive surface 21 and press down on the lithium-ion battery pole piece 100; or...
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