Pintle chain four-hole punching device

Abstract

The invention discloses a pintle chain four-hole punching device, which comprises an upper nail seat and a lower nail seat. The upper nail seat is connected with a machine tool. The lower nail seat is fixedly arranged on a machine table. An upper pin hole punching nail and an upper hinge hole punching nail are fixedly arranged on the upper nail seat. The lower end of the upper nail seat is connected with an upper stripper plate through a first elastic part. The upper pin hole punching nail and the upper hinge hole punching nail are arranged in the upper stripper plate in a penetrating way. A lower pin hole punching nail and a lower hinge hole punching nail are fixedly arranged on the lower nail seat. The upper end of the lower nail seat is connected with a lower stripper plate through a second elastic part. The lower pin hole punching nail and the lower hinge hole punching nail are arranged in the lower stripper plate in a penetrating way. A mold for placing a workpiece is arranged between the upper stripper plate and the lower stripper plate. Pin holes and hinges holes are correspondingly arranged in the mold. The pintle chain four-hole punching device has the advantages that the link of a pintle chain is machined through the mold, four holes are simultaneously punched, the problem that the coaxiality of the four holes of the link of the pintle chain is difficult to keep is solved, the link plate accuracy is improved and the synchronism of the chain is guaranteed.

Description

technical field [0001] The invention relates to a pin-joint chain processing device, in particular to a pin-joint chain four-hole punching device. Background technique [0002] Pin chains are widely used in European and American countries. They are often used in agricultural machinery, wood transportation, salt spreaders, farm automatic feed machines, etc. Since the chains are often in pairs, the synchronization requirements for the two chains are relatively high. [0003] There is a pair of pin holes and a pair of reaming holes on one link of the pin-joint chain. Due to the influence of the chain structure and traditional technology, it is impossible to accurately control the center distance of the chain plate holes of the chain, resulting in the quality often failing to meet customer requirements. . Contents of the invention [0004] The present invention overcomes the disadvantages of the above-mentioned prior art, and provides a four-hole punching device that improves...

AI Technical Summary

Problems solved by technology

[0003] There is a pair of pin holes and a pair of reaming holes on one link of the pin-joint chain. Due to the influence of the chain structure and traditional technology, it is impossible to accurately control the center distance of the chain plate holes of the chain, resulting in the quality often failing to meet customer requirements.

Images