A non-uniform die knife edge structure

Abstract

The utility model discloses a non-uniform mould knife edge structure, including upper die, lower die and bottom plate, the upper die with lower die is opposite and can be set, the upper die bottom is equipped with a plurality of cavities, the lower die top is provided with the core that cooperates with a plurality of cavities, the cavity periphery direction is equipped with the upper knife edge on the upper die, the core periphery direction is equipped with the lower knife edge corresponding with the cavity on the lower die, the lower knife edge with the upper knife edge between being provided with partial counter -strike structure, the partial counter -strike structure is configured as when the lower die and the lower die close die mutually resist or clearance is zero, to be used for forming the preset notch of product burr place. The utility model discloses the design scheme, sets up partial counter -strike point in the knife edge position of upper die and lower die, and weak notch is formed at product burr place when forming counter -strike point, and the operator only needs to tear along the notch barehanded when removing burr, and product and burr can be separated, and it is safe and efficient.

Claims

1. A non-uniform die cutting edge structure, characterized in that, The device includes an upper mold, a lower mold, and a base plate. The upper mold and the lower mold are arranged to be openable and closable. The bottom of the upper mold has several cavities, and the top of the lower mold has a core that mates with several of the cavities. The upper mold has an upper cutting edge on the outer side of the cavity, and the lower mold has a lower cutting edge on the outer side of the core that corresponds to the cavity. A partial contact structure is provided between the lower cutting edge and the upper cutting edge. The partial contact structure is configured to abut against each other or have zero gap when the lower mold and the lower mold are closed, so as to form a preset notch at the burr of the product.

2. The non-uniform mold cutting edge structure as described in claim 1, characterized in that: The local collision structure includes an upper protrusion and a lower protrusion, which protrude from the opposite end faces of the upper and lower cutting edges, respectively.

3. The non-uniform mold cutting edge structure as described in claim 2, characterized in that: Both the upper and lower convex points have trapezoidal cross-sections that are wider on the inside and narrower on the outside.

4. The non-uniform mold cutting edge structure as described in claim 3, characterized in that: Both the upper and lower cutting edges are arranged in a ring shape, and the distance between the upper and lower cutting edges is 0.1 mm when the upper and lower molds are closed.

5. The non-uniform mold cutting edge structure as described in claim 4, characterized in that: The width, length, and height of the upper protrusion are 0.66mm, 1.6mm, and 0.05mm, respectively, and the width, length, and height of the lower protrusion are 0.65mm, 1.9mm, and 0.05mm, respectively.

6. The non-uniform mold cutting edge structure as described in claim 1, characterized in that: The bottom plate has a recessed top to form a receiving space for accommodating the lower mold.

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