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Toggle rod mechanism

A toggle lever and toggle shaft technology, which is applied in the field of multi-link transmission devices for mechanical presses, can solve the problems of short slider strokes, small relative rotation angles, and inapplicability to machinery and equipment, and achieve large strokes, flexible rotation, and strong stress reasonable effect

Active Publication Date: 2012-09-26
通用技术齐齐哈尔二机床有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The toggle mechanism is widely used in the mechanical field due to its flexible movement and significant force-increasing effect. However, most of the current toggle hinge structures use a half-tile structure, which is similar to human joints. The relative rotation angle between the toggle Small, short slider stroke, so it is only suitable for precision presses with small slider strokes, not suitable for machines with large strokes

Method used

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Embodiment Construction

[0017] The present invention will be further described below in conjunction with accompanying drawing:

[0018] Depend on figure 1 combine figure 2 , image 3 As shown, a toggle mechanism includes a swing toggle 2, a drive toggle 3, and a slider toggle 4, the swing toggle 2 and the drive toggle 3 are two, and the fixed bracket 1 is placed in two Between the swinging toggles 2, the swinging toggles 2 and the fixed bracket 1 are connected through the swinging toggle shaft 8, and the other ends of the two swinging toggles 2 are connected to the two driving toggles 3 and one slider toggle 4 through the toggle The intermediate shaft 9 is connected; the other end of the driving toggle 3 is connected with the driving toggle bracket 7 through the driving toggle shaft 10, and the above-mentioned hinged structure between the toggle and the toggle shaft increases the relative rotation angle and increases the sliding Block 5 of the trip. The arrangement order of the swing toggle 2, t...

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Abstract

The invention discloses a toggle rod mechanism, which mainly solves the problems of small relative rotation angle between toggle rods and short sliding block stroke in the existing toggle rod hinged structure. The toggle rod mechanism is characterized in that: two swinging toggle rods (2) and two driving toggle rods (3) are arranged in the toggle rod mechanism; the two swinging toggle rods (2) are connected with a fixed support (1) arranged between the two swinging toggle rods through a swinging toggle rod shaft (8); the other ends of the swinging toggle rods (2) are connected with the driving toggle rods (3) and a sliding block toggle rod (4) through toggle rod intermediate shafts (9); the other ends of the driving toggle rods (3) are connected with a driving toggle rod support (7) through a driving toggle rod shaft (10); and the three groups of the toggle rod intermediate shafts (9) are arranged in the following sequence: the sliding block toggle rod (4) in the middle, the swinging toggle rods (2) on two sides of the sliding block toggle rod (4), and the driving toggle rods (3) on the outer sides of the swinging toggle rods (2). The toggle rod mechanism has the characteristics of large relative rotation angle between the toggle rods and large sliding block stroke, and is applicable for machinery equipment with large stroke.

Description

Technical field: [0001] The invention relates to a multi-link transmission device of a mechanical press, in particular to a toggle mechanism. Background technique: [0002] The toggle mechanism is widely used in the mechanical field due to its flexible movement and significant force-increasing effect. However, most of the current toggle hinge structures use a half-tile structure, which is similar to human joints. The relative rotation angle between the toggle It is small and the stroke of the slider is short, so it is only suitable for fine presses with a small stroke of the slider, not suitable for machines with a large stroke. Invention content: [0003] In order to overcome the disadvantages of small relative angle between the toggles and short stroke of the slider in the existing toggle structure, the present invention provides a toggle mechanism, which has a large relative angle between the toggles and short stroke of the slider. The large feature can be applied to m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H21/00F16H57/04B30B1/10
CPCB30B1/10
Inventor 程凤兰段国义林清利
Owner 通用技术齐齐哈尔二机床有限责任公司
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