Press machine driven by servo motor

A technology of servo motor and servo drive, which is applied in the field of presses, can solve the problems of high energy consumption and high maintenance costs, and achieve the effects of increasing forming capacity, reducing power supply, and reducing noise

Inactive Publication Date: 2012-08-15
JIER MACHINE TOOL GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional mechanical presses must be equipped with clutches and brakes with corresponding torques. C

Method used

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  • Press machine driven by servo motor
  • Press machine driven by servo motor
  • Press machine driven by servo motor

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Embodiment Construction

[0031] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments, and the following description is only schematic, so that those skilled in the art can better understand the present invention.

[0032] Figures 1 to 3 Shown is an overall view of a large-scale servo press directly driven by a servo motor according to an embodiment of the present invention. As shown in the figure, the frame of the servo press includes a beam body 101, a column 102, a slider 104, a workbench 107 and a base 108 .

[0033] According to the pressurization capacity of the servo press, determine the number of reducers used and the number of servo motors driving the reducer. One or more reducers 230 may be provided, and one or more servo motors 210 may be provided on the reducer 230, and the servo motors are AC servo motors. One or more brakes 260 are also arranged on the reducer to brake when the servo press stops.

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PUM

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Abstract

The invention discloses a press machine driven by a servo motor. The press machine comprises a cross beam body and a base, wherein a stand column is connected between the cross beam body and the base; the base is provided with a working platform and a lower die; a sliding block is connected with a transmission mechanism used for driving the sliding block to make reciprocating motion up and down; the transmission mechanism comprises the servo motor arranged on the top of the cross beam body, a zero-backlash elastic coupler, a speed reducer, and a gear mechanism, an eccentric gear and an eccentric connecting rod mechanism which are arranged in the cross beam body; the servo motor is connected with the speed reducer by the zero-backlash elastic coupler; an output gear of the speed reducer is meshed with the gear mechanism; the gear mechanism is connected with the eccentric gear which is connected with the eccentric connecting rod mechanism; the eccentric connecting rod mechanism is connected with the sliding block by a sliding block connector; and the speed reducer is provided with a mechanical brake. The press machine has the advantages that the energy consumption and the maintenance cost are reduced; the stamping motion and the forming force can be freely adjusted and accurately controlled; and full-load bottom dead centre pressure maintaining can be realized on any kinetic characteristic curve of the sliding block.

Description

technical field [0001] The invention relates to a press machine driven by a servo motor. Background technique [0002] For more than 40 years, the traditional mechanical press has only been improved on the multi-link technology to improve the kinematic characteristic curve of the press. With the determination of the linkage mechanism of the press, the unique movement track is obtained, and the pressure is determined. The forming characteristics of the machine. The unique forming characteristics of the press determine that it is difficult to form high-strength steel plates, composite forming materials, aluminum alloys, and difficult-to-form materials. The traditional mechanical press stores energy through the flywheel and provides stamping energy when the press is working. Due to the large inertia of the flywheel and the moving mechanism, it is impossible to control the movement, and the motor and the flywheel can only move at a constant speed. The speed of the kinematic me...

Claims

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Application Information

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IPC IPC(8): B30B15/14
CPCB30B1/266B30B15/148Y02P70/10
Inventor 张志刚江秀花卢建生张世顺刘伟陈金勇
Owner JIER MACHINE TOOL GROUP
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