Online splitting device of thermal forming machine

Abstract

The invention provides an online splitting device of a thermal forming machine. The online splitting device comprises a rack, a slice sending mechanism, a transverse cutting mechanism and a vertical cutting mechanism. The online splitting device is characterized in that the vertical cutting mechanism is arranged in back of the transverse cutting mechanism; the transverse cutting mechanism comprises a transverse cutting tool, a transverse cutting tool transverse moving and lifting mechanism capable of driving the transverse cutting tool to transversely move and lift, a transverse cutting walking frame and a transverse cutting walking frame translation mechanism; the transverse cutting tool transverse moving and lifting mechanism is mounted on the transverse cutting walking frame; the transverse cutting tool is connected with the transverse cutting tool transverse moving and lifting mechanism; the transverse cutting walking frame translation mechanism comprises a transverse cutting servo motor and a front-back direction screw rod; the screw rod is rotatably mounted on the rack; a power output shaft of the transverse cutting servo motor is in transmission connection with the screw rod; and a nut engaged with the screw rod is fixedly mounted on the transverse walking frame. With the adoption of the online splitting device provided by the invention, the transverse cutting servo motor drives the transverse cutting walking frame, so that the transverse cutting tool automatically positions for transversely cutting. Therefore, a formed sheet material can be split into sheet-shaped products with random length.

Description

technical field [0001] The invention relates to a thermoforming machine, in particular to an online cutting device for a thermoforming machine. Background technique [0002] Existing thermoforming machines that utilize plastic sheets to produce sheet products generally include a heating device, a molding device, and an online cutting device. After the heating device heats the plastic sheet to the required temperature for molding, it is formed in the molding device. The formed sheet is obtained in one piece, and then the formed sheet is cut online by the online cutting device (usually including cross-cutting and longitudinal cutting) to obtain a sheet-shaped product of a certain specification. [0003] Existing online slitting devices generally include a frame, a sheet feeding mechanism, a slitting mechanism and a cross-cutting mechanism, wherein the slitting mechanism and the cross-cutting mechanism are installed on the frame, and the cross-cutting mechanism is arranged at t...

AI Technical Summary

Problems solved by technology

However, in the existing online slitting device, the cross-cutting knife in the transverse mechanism is usually set at a fixed position in the longitudinal direction (that is, along the conveying direction of the plastic sheet), and the formed sheet can only be cut at a fixed position in the longitudinal direction. Transverse cutting is performed, so the length of the final sheet product can only be an integer multiple of the length of the thermoforming mold (that is, the size of the thermoforming mold in the direction of plastic sheet conveying), when the required length of the sheet product When a change occurs, the thermoforming mold of the corresponding length must be replaced. On the one hand, the equipment cost is increased, and on the other hand, time must be spent on mold replacement and debugging, which reduces production efficiency.

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