Insert structure of die-casting mold

Abstract

The utility model relates to die casting die technical field discloses a kind of die insert structure of die casting die, including big round insert seat and insert column, insert column is equipped in the inner casting cavity of big round insert seat, and circular ring surrounding edge cavity is formed between the outer peripheral wall of insert column and the inner wall of inner casting cavity, the end portion of the cavity face of insert column adjacent big round insert seat forms positioning boss, and the side wall of positioning boss is equipped with at least one positioning section surface exposed to outside side with.Based on the utility model provides the die insert structure of die casting die, positioning section surface is set by visible positioning section surface instead of hidden slot, and staff can directly, clearly observe its position as positioning reference, realize accurate cooperation of steel sleeve and insert column according to the section surface, substantially shorten the time and operation difficulty of alignment before steel sleeve installation, speed up the assembly speed of steel sleeve, reduce the time consumption of production preparation link, improve overall production efficiency.

Claims

1. A column insert structure for a die-casting mold, characterized in that, The device includes a moving mold core, a large circular insert mounted on the moving mold core, and an insert for nesting a steel sleeve. The center of the cavity surface of the large circular insert is recessed inward to form an inner casting cavity. The insert is disposed within the inner casting cavity. A circular rim cavity is formed between the outer peripheral wall of the insert and the inner wall of the inner casting cavity. A positioning protrusion is formed on the end of the insert adjacent to the cavity surface of the large circular insert. The sidewall of the positioning protrusion has at least one positioning cut surface exposed outward.

2. The insert structure of a die casting mold according to claim 1, wherein The insert includes a stepped shaft head disposed behind the positioning protrusion, a limiting shaft body disposed behind the stepped shaft, and a positioning shaft tail disposed behind the limiting shaft body.

3. The insert structure of a die casting mold according to claim 2, wherein The outer peripheral wall of the stepped shaft head is inclined, so that the diameter of the stepped shaft head gradually decreases from front to back.

4. The insert structure of a die casting mold according to claim 3, wherein The stepped shaft head includes a first shaft segment and a second shaft segment arranged from front to back. The front corner of the first shaft segment is rounded, the connection between the first shaft segment and the second shaft segment is rounded, and the connection between the second shaft segment and the limiting shaft body is rounded.

5. The insert structure of a die casting mold according to any one of claims 1 to 4, characterized in that, The positioning bump is an arc-shaped block with a positioning facet.

6. The insert structure of a die casting mold according to claim 1, wherein The central axis of the large circular insert is provided with a countersunk hole, and the rear end face of the insert is provided with a threaded hole corresponding to the countersunk hole. The screw passes through the countersunk hole and connects with the threaded hole.

7. The insert structure of a die casting mold according to claim 6, wherein The inner cavity of the large circular insert is provided with a positioning hole that mates with the positioning shaft tail of the insert. The positioning hole is provided with a stop step, and the shape of the positioning shaft tail corresponds to the shape of the positioning hole.

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