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Multi-rod driving mechanism

A driving mechanism and multi-link technology, which is applied in mechanical equipment, transmission devices, belts/chains/gears, etc., can solve the problems of narrow curve adjustment range, complex structure, narrow design range of connecting rods, etc., and achieve wide curve adjustment range , increase the degree of freedom, design a wide range of effects

Inactive Publication Date: 2011-11-16
吕晶
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although applying it to a servo press can use 2, 4 or even more such three-axis linkages to drive and withstand greater driving force, however, since the connecting points of the connecting rods are connected by three axes , the structure becomes complicated, and the shaft needs to be longer, so the force is poor. If it is to bear a greater driving force, the connecting rod must be thickened, which will make the mechanism huge
In addition, the design range of the connecting rod is narrow, the curve adjustment range is narrow, and the pressure forming curve cannot give full play to the performance

Method used

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Embodiment Construction

[0012] like figure 1 As shown, the present invention is composed of a triangular block 2, a connecting rod 3, and a connecting rod 4. One end of the connecting rod 3 is connected to the fixed fulcrum of the body at point D, and the other end is connected to the triangular block at point C, and the triangular block is connected to the driving rod 1. At point A, the connection point B of the triangular block is connected with the connecting rod 4, and the other end of the connecting rod 4 is connected with the slider 5 at point E.

[0013] like figure 2 As shown, the connecting rod driving mechanism of the present invention is installed on the servo press, and is a vertical driving type. There are two connecting rod driving mechanisms. Nut, in addition, one corner of the triangle block is connected to one end of the connecting rod 3, and the other end of the connecting rod 3 is connected to the fixed fulcrum on the body, the third angle of the triangle is connected to the con...

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Abstract

The invention relates to a multi-rod driving mechanism which comprises connecting rods and a triangular block, wherein three angles of the triangular block are respectively connected to a driving rod and one ends of two connecting rods, and the other two ends of the two connecting rods are respectively connected to a fixed support point and a slide block. The triangular block is taken as one connecting rod of a three-rod driving mechanism and the connecting rod joints are respectively connected to the triangular block instead of being connected together through three shafts, thereby achieving simple structure, excellent load-carrying capability and wide design scope of connecting rod.

Description

technical field [0001] The invention relates to a link driving mechanism, in particular to a multi-link driving mechanism. Background technique [0002] Connecting rod drive mechanisms are widely used in various mechanical technical fields. Such as the crank connecting rod drive mechanism of the engine, it is a drive mechanism that changes the power from linear motion to circular motion through the connecting rod and crank. Its structure is simple, and it is essentially a two-link drive mechanism. Ordinary presses change the circular power into linear pressure through the connecting rod drive mechanism. With the application of servo motors on presses, especially the design of large-scale servo presses, it is required that the drive mechanism not only has a simple structure, good energy-saving performance, and high drive efficiency, but also needs to be equipped to achieve the best pressure formation according to the actual use. curve. After retrieval, there is a kind of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H21/44
Inventor 吕晶莫健华张宜生张李超杜二虎
Owner 吕晶
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