Edge sealing and coating device for electronic-grade glass fiber cloth

The utility model provides an edge sealing and coating device for electronic-grade glass fiber cloth. The edge sealing and coating device comprises an adjusting device, a control device and a coatingwheel which are connected in sequence, the adjusting device comprises a disc, a sliding block with an I-shaped groove, a groove, a screw rod and a baffle ring; the sliding block with the I-shaped groove is located in a groove of the adjusting device, one end of the screw is welded to the disc, the other end of the screw penetrates through a through hole of the groove to be connected with the sliding block with the I-shaped groove so as to control the sliding block with the I-shaped groove to move in the groove, and the screw between the disc and the groove is sleeved with the baffle ring so asto prevent the disc from moving. An I-shaped groove of the adjusting device is inserted into the left side of the control device for connection so as to adjust movement of the control device, and a U-shaped groove is formed i