Redundant driving main transmission device of mechanical servo numerical control turret punching machine

A technology of CNC turret punch press and mechanical servo, applied in the direction of punching machine, press machine, manufacturing tool, etc., can solve problems such as difficulty, complex mechanical structure, high motor power, etc., to achieve low manufacturing cost, good dynamic characteristics, structural simple effect

Inactive Publication Date: 2010-10-20
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This also brings new problems: the calculation of the conversion relationship between the motor rotation motion and the vertical slider's up and down motion is complicated, the electrical control requirements are high and difficult, and the full load stroke is small
Its disadvantages are: the calculation of the vertical slider’s up-and-down motion conversion relationship is complicated due to the double superposition of the crank and the toggle, and the mechanical structure is more complicated, and the required height is larger.
Therefore, the required motor power is relatively large, and the requirements for the dynamic characteristics of the motor are relatively high.

Method used

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  • Redundant driving main transmission device of mechanical servo numerical control turret punching machine
  • Redundant driving main transmission device of mechanical servo numerical control turret punching machine
  • Redundant driving main transmission device of mechanical servo numerical control turret punching machine

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Experimental program
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Embodiment 1

[0019] The structure of the redundant drive main transmission device of a mechanical servo numerical control turret punch press in this embodiment is as follows figure 1 As shown, it includes: comprising a fixed platform 16, a moving platform 12 for installing a punch, connecting the first and second branch chains between the moving platform 12 and the fixed platform 16, and a fixed connection with the fixed platform 12 The guide sleeve 11 (the guide sleeve and the fixed platform are both fixed on the bed), the kinematic pair and two servo motors 15, 17 that limit the moving direction of the moving platform; the first and second branch chains are composed of outer rods 14, 18 and inner Rods 13, 19 are composed of telescopic rods, and the kinematic pair includes a moving pair actively driven by servo motors 15, 17 between the outer rods 14, 18 and inner rods 13, 19, and a movable pair between the moving platform 12 and the guide sleeve 11. The follow-up cylinder pair, the follo...

Embodiment 2

[0024] The structure of the redundant drive main transmission device of a mechanical servo numerical control turret punch press in this embodiment is as follows figure 2 As shown, the difference between this device and Embodiment 1 is that the rotation axes of the two rotating pairs connected to the moving platform 12 and the inner rods 13 and 19 of the first and second branch chains coincide.

[0025] The revolving pair between the fixed platform 16 and the outer rods 14, 18 and the revolving pair between the inner rods 13, 19 and the moving platform 12 can also be Hooke hinges or spherical hinges.

[0026] The cylinder pair between the guide sleeve 11 and the moving platform 12 can also be a moving pair.

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PUM

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Abstract

The invention relates to a redundant driving main transmission device of a mechanical servo numerical control turret punching machine, which belongs to the field of machinery manufacture. The redundant driving main transmission device comprises a fixed platform, a movable platform, a first support chain, a second support chain, a guide sleeve, a movement pair and two servo motors, wherein the movable platform is provided with a punching head, the first support chain and the second support chain are connected between the movable platform and the fixed platform, the guide sleeve is fixedly connected with the fixed platform and limits the movement direction of the platform, both the first support chain and the second support chain consist of telescopic rods formed by outer sheathing rods and inner rods, the movement pair comprises a moving pair and following movement pairs, the moving pair is arranged between the outer sheathing rods and the inner rods and is actively driven by the servo motors, the following moving pairs are respectively arranged between the movable platform and the guide sleeve, between the fixed platform and the outer sheathing rod and between the inner rods and the movable platform, and the telescopic rods of the first support chain and the second support chain are respectively and actively driven by the two servo motors for realizing the redundant driving on the movable platform, so the movable platform does single-freedom punching movement in the direction allowed by the guide sleeve. The device has the advantages of simple structure, low manufacture cost, high stiffness, good dynamic feature, fast response, easy realization of high-speed high-precise punching tasks and the like.

Description

technical field [0001] The invention belongs to the field of mechanical manufacturing, in particular to a redundant drive main transmission device of a mechanical servo numerical control turret punch press. Background technique [0002] The mechanical servo CNC turret punch press is one of the key equipment of the major special project of "high-end CNC machine tools and basic manufacturing equipment". The stamping equipment for continuous high-speed servo punching processing can efficiently and precisely process various sheet metal stamping parts. Its basic features are high efficiency, high precision, energy saving, environmental protection and automation, which represents the development direction of CNC turret punching machines. Mechanical servo CNC turret punch press set machine structure optimization technology, servo drive main transmission technology, servo drive stamping control technology, feeding mechanism design and control technology, heat balance technology unde...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B30B1/00
Inventor 王立平刘辛军谢福贵陈祥
Owner TSINGHUA UNIV
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