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Adjustable damping combined vibration isolator

A technology of combining vibration isolators and adjusting damping, applied in vibration dampers, friction dampers, shock absorbers, etc., can solve the problems of single damping of vibration isolation devices, short life of vibration isolation components, and poor vibration isolation effect, etc. Achieve the effect of simple structure, low cost and easy rigidity

Inactive Publication Date: 2011-06-15
SOUTHEAST UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing vibration isolation devices have the following disadvantages: (1) The vibration isolation device has a single damping, the damping ratio is small, and the performance is poor; (2) The vibration isolation effect is poor, and the life of the vibration isolation components is short; (3) The process is complex and expensive

Method used

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  • Adjustable damping combined vibration isolator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] see figure 1 and figure 2 , the adjustable damping combination vibration isolator described in the present invention comprises an upper base plate 1, a lower base plate 14, an upper base 2, a lower base 13, a friction damper and a guide 7, and the upper base 2 is located on the upper base 1 and The vibration isolation elements are fixed on the upper base plate 1, the center of the upper base 2 and the upper base plate 1 has a through hole, the through hole can be movably matched with the outer side of the guide piece 7, the upper end surface of the upper base plate 1 and the upper end surface of the guide piece 7 There is a gap between them, and the gap is greater than the axial deformation of the vibration isolator; the lower base plate 14 fixes the lower base 13, and the guide 7 is fixedly connected with the lower base 13, which can be carried out by conventional means such as welding and screws. Fixed: one friction damper is fixed on at least one side of the upper ...

Embodiment 2

[0035] like image 3 As shown, compared with Embodiment 1, the difference is that a second pressure plate 17 is provided between the friction baffle plate 12 and the lower bottom plate, the second pressure plate 17 is installed on the lower bottom plate 14, and a guide rail is provided on the second pressure plate 17. The friction baffle plate 12 is laterally slidingly guided. The friction baffle 12 moves laterally along the guide rail. The friction damper with this structure can realize the two-way adjustment of the gap between the friction baffle 12 and the sliding baffle 10 , and compensate the assembly error of the friction plate 3 .

Embodiment 3

[0037] like Figure 4 As shown, compared with the second embodiment, the difference is that the contact surface of the friction plate 3 and the friction baffle 12 is an inclined surface contact. By adopting the friction damper with this structure, the two-way adjustment of the gap between the friction baffle 12 and the sliding baffle 10 can be realized. In addition, when the combined vibration isolator is subjected to an eccentric load, the structural friction baffle 12 and the sliding baffle 10 form a V-shaped gap, which can be adjusted slightly to ensure that the upper bottom plate 1 does not overturn.

[0038] Compared with Embodiment 1, both the friction baffle 12 and the sliding baffle 10 can slide laterally, and the V-shaped gap that can be adjusted in both directions is adopted, which improves the adjustment ability of the combined vibration isolator to the eccentric load, and can cope with multiple When two combined vibration isolators work at the same time, when the ...

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Abstract

The invention provides an adjustable damping combined vibration isolator for forging and pressing equipment. The adjustable damping combined vibration isolator comprises an upper base plate, a lower base plate, a vibration isolation element, a frictional damper and a guide piece, wherein the vibration isolation element and the guide piece are arranged between the upper base plate and the lower base plate, and the frictional damper comprises a frictional plate, a slip baffle plate, a frictional baffle plate and a tension device; the frictional baffle plate and the slip baffle plate are connected through the tension device, an interval is formed between the frictional baffle plate and the slip baffle plate, and the frictional plate is inserted in the interval along the guide direction of the guide piece; and at least one of the frictional baffle plate and the slip baffle plate can slip crosswise, and the slip direction is vertical to the motion direction of the frictional plate. The vibration isolator has a characteristic that the rigidity gradually becomes softer along with the increase of loading, the friction damper is rich and adjustable, the machine body vibration of a high-speed press can be isolated effectively, and the machine body vibration is preferably prevented from being transmitted to the ambient environment. In addition, the vibration isolator has a simple structure, and is easy to adjust.

Description

technical field [0001] The invention relates to a combined vibration isolator, in particular to an adjustable damping combined vibration isolator belonging to the vibration isolation field of forging equipment. Background technique [0002] Due to the advantages of high efficiency and high precision, the forging process is widely used in industries such as automobiles, machinery, and hardware. Forging equipment is developing in the direction of high speed, high precision, large tonnage, and flexibility, but the accompanying vibration and noise seriously affect product processing accuracy and working environment. Forging equipment, especially high-speed presses and other equipment with strong impact, usually install vibration isolation devices under it. The purpose is to reduce the impact on the outside world when the equipment is running, improve the working environment and prolong the service life of the equipment. At present, the vibration isolation devices of forging equ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16F7/00F16F7/104F16F7/08
Inventor 贾方易红张德峰陈和诗郑恩来
Owner SOUTHEAST UNIV
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