Auxiliary device for carton production

The invention discloses an auxiliary device for carton production, which comprises an operation table; a conveying belt is arranged on the operation table; a supporting plate is arranged on one side of the conveying belt; a flattening assembly is arranged on the supporting plate and comprises a first motor fixedly connected with the supporting plate, and the first motor is connected with a first gear through a first rotating shaft; the front side of the first gear is in meshed connection with a first rack; the front side of the first rack is provided with a first connecting rod; the first connecting rod is in sliding connection with the supporting plate; the lower end of the first connecting rod is provided with a first flattening plate located above the conveying belt; the right side of the first flattening plate is hinged to a second flattening plate; a first rotating shaft is in transmission connection with a second gear; the lower end of the second gear is meshed with a second rack; the lower end of the s