Plastic punching device

Abstract

The invention relates to a plastic punching device. The plastic punching device comprises a rack, a punching rod, a sliding groove and two clamping plates. The sliding groove is fixed to the rack. The punching rod is in sliding connection in the sliding groove. A connecting rod is hinged to the left end of the transverse punching rod, a crank is hinged to the connecting rod, and the crank is hinged to the rack. A sliding rail is arranged at the position, located on the right side of the punching rod, of the rack. The two clamping plates are sequentially connected to the sliding rail in a sliding manner from left to right. A first spring is connected between the clamping plate on the right side and the rack. The two clamping plates abut against each other. The clamping plate on the left side is provided with an opening for the sharp end of the punching rod to pass through. A pressing block is arranged above the two clamping plates. A second spring is connected between the pressing block and the rack. The rack is in threaded connection with a pressing rod. The pressing rod is located above the pressing block and abuts against the pressing rod. Compared with the prior art, through cooperation of the pressing block and the two clamping plates, a plastic plate is fixed more stably, and therefore the stability of the plastic plate is improved, and the probability that the sharp end of the punching rod scratches the surface of the plastic plate is reduced.

Description

technical field [0001] The invention relates to a punching device, in particular to a plastic punching device. Background technique [0002] Ornaments are items used for decoration. The general purpose is to beautify personal instruments, decorate living rooms, beautify public environments, and decorate cars. Therefore, ornaments can be divided into the following categories: home accessories, clothing accessories, car accessories, etc. According to different materials, jewelry Can be divided into metal, jade, ceramics, crystal, glass, wood, plastic and so on. With the increasing number of people wearing jewelry, the wholesale jewelry industry is gradually rising. Because plastic jewelry is easier to process, light in weight and durable, it can not only be decorated by people, but also convenient for people to carry, so plastic jewelry is becoming more and more Be loved by people. [0003] Based on the above benefits of plastic jewelry, more and more suppliers have joined t...

AI Technical Summary

Problems solved by technology

[0004] The punching machine in the prior art generally includes a punching rod arranged vertically. Two splints are arranged below the punching rod. The downward movement punches holes on the plastic sheet; during the punching process, since the two splints only clamp the plastic sheet in the left and right directions, when the punching rod acts on the plastic sheet, the plastic sheet tends to move back and forth , causing the tip of the punching rod to scratch the surface of the plastic sheet, and the scratches on the plastic sheet will be difficult to repair, which not only wastes materials, but also increases the processing cost

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