Portal frame device for mechanical automatic machining

Abstract

The invention belongs to the technical field of mechanical automatic machining, and discloses a portal frame device for mechanical automatic machining. The portal frame device comprises two bases, wherein supporting columns are fixedly mounted in the middles of the top surfaces of the two bases, universal wheels are fixedly mounted on the front and rear sides of the bottoms of the two bases, a topbeam is fixedly mounted at the tops of the two supporting columns, and reinforcing steel pipes are fixedly connected to the front and rear sides of the tops of the bases and fixedly connected with the supporting columns. According to the portal frame device, an output shaft of a servo motor drives a rotating shaft to rotate, free winding and unwinding of steel wire ropes are achieved through rotation of wire winding devices and a connecting shaft, and then the gravity of a movable cross beam acts on the wire winding devices and the connecting shaft; compared with the prior art, acting force acting on the middle of the top beam is dispersed, and it is avoided that the middle of the top beam of the portal frame device deforms and even breaks due to long-term stress; and meanwhile, the steelwire ropes are always in a tensioned state, so that the use safety of the portal frame device is improved.

Description

technical field [0001] The invention belongs to the technical field of mechanical automatic processing, in particular to a gantry device for mechanical automatic processing. Background technique [0002] The gantry is a new type of small lifting gantry developed according to the daily production needs of small and medium-sized factories for handling equipment, warehouse import and export, lifting and maintenance of heavy equipment and material transportation. It is suitable for manufacturing parts, auto repair factories, mines, civil construction sites and occasions where lifting is required. It is commonly used in building construction as material transportation and construction personnel's up and down use to realize lifting mechanization, which can reduce manpower, reduce production and operation costs, and improve work efficiency. The process of making a change. According to the differences in processing methods, it can be divided into cutting processing and pressure pr...

AI Technical Summary

Problems solved by technology

[0003] When the existing gantry device for mechanical automatic processing is used to suspend parts, in order to balance the force on the top beam of the gantry, the electric hoist is usually moved to the middle position to balance the force. Under the gravity of the components, the top beam of the gantry will be deformed or even broken due to the unbalanced force, which may crush the staff and cause major production safety accidents

[0004] The existing gantry device for mechanical automatic processing usually uses an electric hoist to lift and lower the fixed parts in the process of moving the parts, and then moves the whole gantry to move the position of the parts. The movement of the gantry is completely It is realized by the wheels fixed on the base. During the movement, the wheels have no shock absorbing device, which causes the whole gantry to sway. Since the parts and the gantry are only connected by the wire rope of the electric hoist, the parts are also easy to shake, but The parts are heavy and have high inertia, and the gantry is likely to be shaken down and injure the staff

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