CN216539002U

CN216539002U - Vibration buffering device for centrifugal machine

Info

Publication number: CN216539002U
Application number: CN202122750110.8U
Authority: CN
Inventors: 余茂倩; 黄欣; 周斌
Original assignee: Shanghai Heyousheng Biotechnology Co ltd
Current assignee: Shanghai Heyousheng Biotechnology Co ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-05-17
Anticipated expiration: 2031-11-11

Abstract

The utility model discloses a vibration buffering device for a centrifugal machine, which comprises a base and a damping seat, wherein a plurality of spring dampers are arranged between the base and the damping seat, and a vibration absorbing box filled with vibration absorbing liquid is fixed on the damping seat. The shock absorption box with the shock absorption liquid inside is fixed on the shock absorption seat, the shock absorption liquid in the shock absorption box is used for absorbing the shock in the running process of the centrifugal machine, and the shock absorption box is matched with the spring shock absorber for absorbing the shock, so that the shock absorption effect is effectively improved, and the shock absorption box with the shock absorption liquid inside has a good shock absorption effect on high-frequency low-amplitude shock.

Description

Vibration buffering device for centrifugal machine

Technical Field

The utility model relates to the technical field of centrifuges, in particular to a vibration buffering device for a centrifuge.

Background

The centrifugal machine is a machine for separating solids or liquids with different specific gravities by using centrifugal force, and is widely applied to the aspects of industrial, agricultural and scientific research and the like, such as ore dressing, seed selection, cream separation from cow milk, uranium isotope separation, measurement of molecular weight of macromolecules in macromolecular sol and the like;

the centrifuge is a device for separating substances with different densities in liquid by centrifugal force generated when a rotor rotates at a high speed, and the centrifuge is divided into active shock absorption and passive shock absorption in the production process, wherein the active shock absorption is used for improving the processing precision of components and mechanisms which can generate shock when the centrifuge operates, reducing the unbalance amount and reducing a shock source; passive shock absorption is to reduce the low-frequency and high-frequency vibration generated when the centrifuge operates due to the unbalance caused by assembly errors and loading errors of components, so that the whole operation process is more stable. However, the shock absorbing effect of the existing shock absorbing device of the centrifuge is poor, and particularly, the shock absorbing effect of the existing shock absorbing device of the centrifuge on high-frequency low-amplitude shock is poor, so that the improvement is made, and the shock absorbing device for the centrifuge is provided.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model discloses a vibration buffering device for a centrifugal machine, which comprises a base and a damping seat, wherein a plurality of spring dampers are arranged between the base and the damping seat, and a vibration absorbing box filled with vibration absorbing liquid is fixed on the damping seat.

As a preferred technical scheme of the present invention, the shock absorbing box is fixed on the shock absorbing seat through a dismounting mechanism, the dismounting mechanism includes a positioning column disposed on the shock absorbing seat, a positioning plate is disposed at the bottom end of the shock absorbing box, a through hole for the end of the positioning column to pass through is disposed on the positioning plate, the end of the positioning column passes through the through hole, and a fastening nut is screwed in the through hole.

As a preferable technical scheme of the utility model, a wear-resistant rubber pad is arranged between the shock absorption box and the shock absorption seat.

As a preferable technical solution of the present invention, the shock absorbing box includes a cylindrical lower cylinder, and an upper top cap is screwed to a top of the lower cylinder.

As a preferable technical scheme of the utility model, the shock absorption box is internally provided with a sloshing block for preventing shock absorption liquid from generating sloshing, the sloshing block consists of sloshing sheets arranged transversely and longitudinally, and the sloshing sheets are provided with circulation holes.

As a preferable technical solution of the present invention, the shock absorbing box is made of stainless steel.

As a preferable technical solution of the present invention, the shock-absorbing liquid is a water body.

The utility model has the beneficial effects that:

the shock absorption box is internally provided with shock absorption liquid, the shock absorption liquid in the shock absorption box is used for absorbing shock in the running process of the centrifuge, and the shock absorption box is matched with the spring shock absorber for damping shock, so that the shock absorption effect is effectively improved, the shock absorption box internally provided with the shock absorption liquid has a good shock absorption effect on high-frequency low-amplitude shock, and the shock absorption box is arranged on the shock absorption seat through the dismounting mechanism and has the characteristic of convenience in mounting and dismounting; the shock absorption box is internally provided with a surging block for preventing shock absorption liquid from generating surging, the surging block is composed of surging sheets arranged transversely and longitudinally, and the surging sheets are provided with circulation holes, so that the shock absorption liquid can flow more slowly in the shock absorption box.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of a cross beam panel of a vibration damping device for a centrifuge according to the present invention;

FIG. 2 is a schematic structural view of a fixing leg of a vibration damping device for a centrifuge according to the present invention;

in the figure: 1. a base; 2. a shock absorbing seat; 3. a spring damper; 4. a shock absorbing box; 5. a positioning column; 6. positioning a plate; 7. a through hole; 8. fastening a nut; 9. a wear-resistant rubber pad; 10. A lower cylinder body; 11. a top cover is arranged; 12. a sloshing block; 13. a sloshing sheet; 14. and (4) a flow hole.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1 and 2, the vibration damping device for the centrifuge of the present invention comprises a base 1 and a damper base 2, wherein a plurality of spring dampers 3 are installed between the base 1 and the damper base 2, and a shock absorbing box 4 filled with shock absorbing liquid is fixed on the damper base 2. Through be fixed with the inside shock-absorbing box 4 that shakes of inhaling that is equipped with shock-absorbing liquid on shock attenuation seat 2, utilize to inhale the shock-absorbing liquid in the shock-absorbing box 4 and come to inhale the shake to centrifuge operation in-process to cooperation spring damper 3 carries out the shock attenuation, thereby has effectively improved the shock attenuation effect, and wherein inside is equipped with to inhale the shock-absorbing box 4 that shakes of shake liquid has better inhaling the shake effect to the vibrations of high frequency low amplitude.

Inhale shake case 4 and fix on shock attenuation seat 2 through disassembly body, disassembly body is including setting up reference column 5 on shock attenuation seat 2, the bottom of inhaling shake case 4 is equipped with locating plate 6, be equipped with the through-hole 7 that supplies 5 tip of reference column to pass on locating plate 6, the tip of reference column 5 passes through-hole 7 and the screw thread twists has fastening nut 8.

And a wear-resistant rubber pad 9 is arranged between the shock absorption box 4 and the shock absorption seat 2, so that the wear-resistant effect is achieved.

Inhale shake case 4 and include cylindric barrel 10 down, the top threaded connection of barrel 10 has last top cap 11 down, is convenient for assemble inhaling shake case 4.

The shock absorption box 4 is internally provided with a sloshing block 12 for preventing shock absorption liquid from generating sloshing, the sloshing block 12 is composed of sloshing sheets 13 arranged transversely and longitudinally, and the sloshing sheets 13 are provided with circulation holes 14. So that the flow of the shock-absorbing liquid in the shock-absorbing box 4 is relatively gentle.

Inhale shake case 4 and be stainless steel material, inhale shake liquid and be the water.

The working principle is as follows: the shock absorption box 4 internally provided with shock absorption liquid is fixed on the shock absorption seat 2, the shock absorption liquid in the shock absorption box 4 is utilized to absorb shock in the running process of the centrifuge, and the shock absorption is carried out by matching with the spring shock absorber 3, so that the shock absorption effect is effectively improved, wherein the shock absorption box 4 internally provided with the shock absorption liquid has better shock absorption effect on high-frequency low-amplitude shock, and the shock absorption box 4 is arranged on the shock absorption seat 2 through a dismounting mechanism, so that the shock absorption box has the characteristic of convenience in mounting and dismounting; the shock absorption box 4 is internally provided with a sloshing block 12 for preventing shock absorption liquid from generating sloshing, the sloshing block 12 is composed of sloshing sheets 13 arranged transversely and longitudinally, and the sloshing sheets 13 are provided with circulation holes 14, so that the shock absorption liquid can flow more slowly in the shock absorption box 4.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the utility model as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A vibration damping device for a centrifuge, characterized in that: including base (1) and shock attenuation seat (2), install a plurality of spring shock absorbers (3) between base (1) and shock attenuation seat (2), be fixed with on shock attenuation seat (2) inside and be equipped with and inhale shake case (4) of inhaling of shake liquid.

2. The vibration damping device for the centrifugal machine according to claim 1, wherein the shock absorbing box (4) is fixed on the shock absorbing seat (2) through a detaching mechanism, the detaching mechanism comprises a positioning column (5) arranged on the shock absorbing seat (2), a positioning plate (6) is arranged at the bottom end of the shock absorbing box (4), a through hole (7) for the end part of the positioning column (5) to pass through is arranged on the positioning plate (6), the end part of the positioning column (5) passes through the through hole (7) and is screwed with a fastening nut (8).

3. A shock-absorbing device for centrifuges according to claim 2, characterized in that a wear-resistant rubber pad (9) is arranged between the shock-absorbing box (4) and the shock-absorbing seat (2).

4. The shock-absorbing device for a centrifuge according to claim 2, wherein the shock-absorbing box (4) comprises a cylindrical lower cylinder (10), and an upper cap (11) is screwed on the top of the lower cylinder (10).

5. The shock-absorbing device for the centrifuge as claimed in claim 2, wherein said shock-absorbing box (4) is provided with a sloshing block (12) for preventing shock-absorbing liquid from sloshing, said sloshing block (12) is composed of sloshing plates (13) arranged in the horizontal and vertical directions, and the sloshing plates (13) are provided with flow holes (14).

6. A shock-absorbing device for a centrifuge as claimed in claim 1, wherein said shock-absorbing box (4) is made of stainless steel.

7. The shock absorbing device for a centrifuge as claimed in claim 1, wherein said shock absorbing liquid is a body of water.