A self-locking weighing hopper

Abstract

The invention relates to a self-locking weighing hopper, the hopper body is installed on the hopper positioning bracket, one end of the fixed rod is connected to the hopper body, the connecting rod A is hinged to the other end of the fixed rod, and one end of the connecting rod A is a free end , the other end is hinged with one end of connecting rod B through the main push shaft, the other end of connecting rod B is hinged with one end of connecting rod C hinged on the hopper body, the other end of connecting rod C is hinged with one end of connecting rod D, and the connecting rod The other end of D is hinged with one end of connecting rod E, and the other end of connecting rod E is hinged on the hopper body. The hopper flap is installed on the connecting rod E and connecting rod C respectively; the spring guide rod is installed on the hopper body, and the spring guides A self-locking push plate is slidably connected to the rod, and a return spring is sleeved on the spring guide rod, and the two ends of the return spring abut against the hopper body and the self-locking push plate respectively. The invention can complete the opening and closing of the hopper under the action of the external thrust mechanism, and when the external force is removed, the flap of the hopper is automatically reset to the closed state, the connecting rod is stable and self-locking, and the medicine particles weighed in the hopper will not leak out.

Description

technical field [0001] The invention relates to a weighing hopper system, in particular to a self-locking weighing hopper. Background technique [0002] The weighing hopper is a passive hopper used to complete the weighing and filling of explosives. When the weighing hopper is working, the hopper can be placed on the mass weighing device by an external mechanism, and the inside of the hopper can be injected online. After the weighing and injection is completed, the external mechanism will move it to the drug dropping station, and the external mechanism The lower opening and closing of the weighing hopper completes the work of dropping the medicine. At present, most of the weighing hoppers in China have complex structures, which require an external multi-degree-of-freedom mechanism to realize the opening and closing of the hopper. This kind of weighing hopper has the following disadvantages: first, the external mechanical structure is complex, and the manufacturing cost of ...

AI Technical Summary

Problems solved by technology

At present, most of the domestic weighing hoppers have complex structures and require external multi-degree-of-freedom mechanisms to realize the opening and closing of the hoppers

This kind of weighing hopper has the following disadvantages: first, the external mechanical structure is complicated, and the manufacturing cost of the mechanism is high; second, during the process of opening and closing the external mechanical structure, the positioning accuracy of the hopper is high. Larger, the external mechanism may fail to open and close the hopper; third, the reliability of hopper closing is low, and material leakage is prone to occur

[0003] In the field of automatic filling of explosives and explosives in China, there is no weighing hopper that can be opened and self-locked under the action of an external single-degree-of-freedom mechanism. The opening and closing mechanism of the weighing hopper at this stage is complicated, the mass production cost is high, and the reliability of the opening and closing mechanism is low. , cannot meet the requirements of high reliability and economy in the field of automatic loading of propellants and explosives

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