Box clamp bolt locking device

Abstract

The invention relates to a box clamp bolt locking device mainly used for automatic locking of a box clamp bolt in a transport trolley loaded with an iron mould sand box, and belongs to the field of sand faced iron mould casting equipment. The device comprises a locking spanner and an inductive switch, wherein the locking spanner comprises a sleeve, a No. 1 pin shaft, a first compression spring, a torque hand wheel and at least two combined type pins; strip-shaped grooves are formed on the two sides of the sleeve; the first compression spring is completely arranged in the sleeve; the torque hand wheel is connected with the sleeve; concave cambered surfaces are formed on a rotating shaft; the combined type pins are connected in the sleeve in a penetrating manner; the outer ends of the combined type pins are propped against a frustum surface of the torque hand wheel firmly; the inner ends of the combined type pins are positioned in the concave cambered surfaces; and the inductive switch is fixed on the bottom surface of a moving beam, and positioned on one side of the locking spanner. The device is reasonable in structural design, and automatically locks the box clamp bolt, so that a labor burden of a worker is reduced, and the automation degree of a sand faced iron mould casting line is improved.

Description

technical field [0001] The present invention relates to a locking device, in particular to a box clamping bolt locking device, which is mainly used for automatic locking of box clamping bolts in a transport trolley carrying iron mold sand boxes, which belongs to iron mold sand-covered casting equipment field. Background technique [0002] In the existing sand-covered iron mold production line, the box clamping bolts need to be manually locked by the user, which not only consumes manpower, but also increases the labor intensity of the user and makes the operation dangerous. especially necessary. [0003] For example, the publication date is April 26, 2000, and the publication number is CN2375808 in the Chinese patent, which discloses a utility model patent named "a locking bolt". The locking bolt has a bolt head and a screw rod, and an axial hole penetrating the bolt head is opened in the screw rod. There is a screw rod in the hole that can move longitudinally. There is a ...

AI Technical Summary

Problems solved by technology

This patent improves the traditional locking bolt, which is firm and not easy to loosen. However, it still needs to be manually locked during operation, so it still has the above-mentioned defects.

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