Automatic alignment bar shearing top knife component

Abstract

The technical scheme of the invention provides an automatic alignment bar shearing top knife component. The top knife component comprises a top knife fixing seat; a top knife locating block is arranged on the top knife fixing seat; a bar shearing top knife is fixed on the top knife fixing seat; both sides of the bar shearing top knife are compressed tightly by a top knife depression bar; a stripper plate is arranged under the top knife locating block; a material discharging mould insert and a material discharging block are arranged at the bottom of the stripper plate; a concave die and a material receiving block are respectively arranged under the material discharging mould insert and the material discharging block; the concave die and the material receiving block are arranged on the top of a die holder; a locating pin is arranged in the die holder by a locating pin seat; the concave die is fixed by a concave die locating block; the top knife component is characterized in that a guide locating block with the length of 1 to 2mm and thickness of 0.6 to 1mm is arranged at the front end of a knife edge of the bar shearing top knife. In the top knife component, the guide locating block is arranged at the front end of the knife edge of the top knife; when the die is not completely closed, the guide locating block at the front end of the knife edge of the top knife cuts into the frame and automatically aligns so as to achieve the purposes of reducing punching deviation and increasing punching precision.

Description

technical field [0001] The invention relates to an upper knife for cutting ribs. Background technique [0002] After the product is packaged, it is the whole mold. The whole mold product is taken out from the loading rack, the runner and gate are removed by the punching mold, and the frame waste is removed by the rib cutting mold. During the rib cutting process, the positioning pin and the positioning block keep the frame positioned so that the rib cutting knife can accurately cut off the frame waste to complete the rib cutting of the product. At present, the main structure of the commonly used rib cutting upper knife is as follows: figure 1 As shown, the upper knife positioning block 1, the upper knife fixing seat 2, the discharge insert 3, the die 4, the positioning needle seat 5, the die fixing plate 6, the positioning pin 7, the die positioning block 8, the product 9, The material receiving block 10, the discharge plate 11, the discharge block 12, the upper knife 13 fo...

AI Technical Summary

Problems solved by technology

Because the frame is positioned by the positioning pin 7, when the upper mold and the lower mold are closed, the mold will vibrate, which will cause the frame to jump. When the upper knife cuts in the ribs, the size of the ribs will be offset, and the accuracy of the ribs will not be achieved. Require

Images