| 摘要 |
An automatic wrapper includes a roll of tape to wrap a package tightly and a tape operating device having a main arm attached thereto. A groove is defined in the main arm to receive a tape roller which is pivotally mounted in the groove. An L-shaped connecting plate is attached to the tape operating device. A motor is attached to the wrapper to supply the power for the tape operating device. The motor includes a support that has two side arm extending therefrom to abut the main arm. The main arm is pivotally mounted on the side arms by an axle extending through the side arms and the main arm. The motor includes a welding device and a cutting device each mounted on the support and a transmission device with an axle extending therefrom and received in the tape operating device. An electromagnet includes an actuating rod attached thereto, a linkage attached to the actuating rod, an active rod connecting the tape operating device, a cam and a lever each attached to the support.
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