Automatic switching dual-path transmission mechanism of punch press

A transmission mechanism and automatic switching technology, which is applied in transmission devices, mechanical equipment, belts/chains/gears, etc., can solve problems such as small step distance, low load, stamping, high speed, etc., and achieve high practical value, energy saving, The effect of increasing the strike speed
CN101871526BInactive Publication Date: 2012-10-03JINAN CASTING FORGING MACHINERY INST
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Patents(China)
Current Assignee / Owner
JINAN CASTING FORGING MACHINERY INST
Publication Date
2012-10-03
Estimated Expiration
Not applicable ยท inactive patent

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Abstract

The invention relates to an automatic switching dual-path transmission mechanism of a punch press. A straight-through path transmission mechanism and a bypass transmission mechanism which are fixed on a case are arranged between an output shaft and a crankshaft of a servo motor; the straight-through path transmission mechanism comprises a reducer, the reducer outputs power to the crankshaft through a straight-through path connecting shaft and a straight-through path connecting sleeve; an electromagnetic gear clutch II is arranged on the straight-through path connecting shaft and the straight-through path connecting sleeve; the bypass transmission mechanism comprises a gear II, a gear I, a gear III and a gear IV; and an electromagnetic gear clutch I is arranged between the gear I and the crankshaft. The straight-through path can meet the speed requirement in a large-load punch mode, such as quick nibbling punch, and the bypass can meet the speed requirement in a small-load punch mode, such as high-speed countermark; the rated power for driving the servo motor is only about 70 percent of the conventional rated power under the same nominal pressure; and meanwhile, the energy source is saved by about 60 percent, the noise is reduced by 10 decibels. Therefore, the automatic switching dual-path transmission mechanism of the punch press can be widely applied to numerical control punching devices.
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Description

technical field

[0001] The invention relates to a numerically controlled turret punch press, in particular to a new main transmission system of a numerically controlled turret punch with an automatic switching dual-path transmission mechanism and a numerically controlled servo motor as the power. Background technique

[0002] The CNC turret punch press is the key equipment for sheet metal stamping. As the main transmission part of the stamping power, the mechanical design of the crank-link mechanism is traditionally used (see Figure 5 ). The crank linkage mechanism and the flywheel 21 composed of crankshaft 24 , connecting rod 25 , pin shaft 26 and slide block 23 etc. are installed on the fuselage 22 . Clutch and brake 20 are respectively connected with crankshaft 24 right side axle end and flywheel 21, and are controlled by main control valve 19 its action. During work, the main motor drives the flywheel 21 to rotate through the belt, and the power is transmitted to the c...

Claims

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