A laminator, comprising: a housing; an entry opening, the entry opening being arranged on the housing; an out-feeding opening, the out-feeding opening being arranged on the housing and located at an opposite side relative to the entry opening; a left side board, the left side board being arranged in the housing; a right side board, the right side board being arranged in the housing and located at an opposite side relative to the left side board; a first entry driving axle, the first entry driving axle being arranged in the housing and having two ends rotatably connected to the left side board and the right side board, and located at one side of the entry opening; a second entry driving axle, the second entry driving axle being arranged in the housing and having two ends rotatably connected to the left side board and the right side board, and located at one side of the entry opening; a power element, the power element being arranged in the housing and coupled to the first entry driving axle and the second entry driving axle; a first out-feeding driving axle, the first out-feeding driving axle being arranged in the housing and having two ends rotatably connected to the left side board and the right side board, and located at one side of the out-feeding opening; a second out-feeding driving axle, the second out-feeding driving axle being arranged in the housing and having two ends rotatably connected to the left side board and the right side board, and located at one side of the out-feeding opening; a left-side elastic assembly, the left-side elastic assembly being arranged on the left side board and abutting and pressing the first out-feeding driving axle and the second out-feeding driving axle; a right-side elastic assembly, the right-side elastic assembly being arranged on the right side board and abutting and pressing the first out-feeding driving axle and the second out-feeding driving axle; a first driving belt, the first driving belt being arranged on the first entry driving axle and the first out-feeding driving axle; and a second driving belt, the second driving belt being arranged on the second entry driving axle and the second out-feeding driving axle, characterized in that the left-side elastic assembly comprises a left-side pushing member connected to the first out-feeding driving axle and the second out-feeding driving axle, and a plurality of left-side elastic members pushing against the left-side pushing member, and the right-side elastic assembly comprises a right-side pushing member connected to the first out-feeding driving axle and the second out-feeding driving axle, and a plurality of right-side elastic members pushing against the right-side pushing member. a housing; an entry opening, the entry opening being arranged on the housing; an out-feeding opening, the out-feeding opening being arranged on the housing and located at an opposite side relative to the entry opening; a left side board, the left side board being arranged in the housing; a right side board, the right side board being arranged in the housing and located at an opposite side relative to the left side board; a first entry driving axle, the first entry driving axle being arranged in the housing and having two ends rotatably connected to the left side board and the right side board, and located at one side of the entry opening; a second entry driving axle, the second entry driving axle being arranged in the housing and having two ends rotatably connected to the left side board and the right side board, and located at one side of the entry opening; a power element, the power element being arranged in the housing and coupled to the first entry driving axle and the second entry driving axle; a first out-feeding driving axle, the first out-feeding driving axle being arranged in the housing and having two ends rotatably connected to the left side board and the right side board, and located at one side of the out-feeding opening; a second out-feeding driving axle, the second out-feeding driving axle being arranged in the housing and having two ends rotatably connected to the left side board and the right side board, and located at one side of the out-feeding opening; a left-side elastic assembly, the left-side elastic assembly being arranged on the left side board and abutting and pressing the first out-feeding driving axle and the second out-feeding driving axle; a right-side elastic assembly, the right-side elastic assembly being arranged on the right side board and abutting and pressing the first out-feeding driving axle and the second out-feeding driving axle; a first driving belt, the first driving belt being arranged on the first entry driving axle and the first out-feeding driving axle; and a second driving belt, the second driving belt being arranged on the second entry driving axle and the second out-feeding driving axle, characterized in that the left-side elastic assembly comprises a left-side pushing member connected to the first out-feeding driving axle and the second out-feeding driving axle, and a plurality of left-side elastic members pushing against the left-side pushing member, and the right-side elastic assembly comprises a right-side pushing member connected to the first out-feeding driving axle and the second out-feeding driving axle, and a plurality of right-side elastic members pushing against the right-side pushing member.