CN219193469U

CN219193469U - Noise reduction device suitable for vibrating plate

Info

Publication number: CN219193469U
Application number: CN202320309454.1U
Authority: CN
Inventors: 庞诗艳; 黄跃; 周保昆
Original assignee: Wuhan Chengxunlian Technology Co ltd
Current assignee: Wuhan Chengxunlian Technology Co ltd
Priority date: 2023-02-24
Filing date: 2023-02-24
Publication date: 2023-06-16
Anticipated expiration: 2033-02-24

Abstract

The utility model relates to a noise reduction device suitable for a vibration disk, which comprises a base, a first silencing plate, at least three shock absorption components distributed in an annular array and a sleeve disk for installing the vibration disk, wherein the base, the first silencing plate and the shock absorption components are sequentially arranged from bottom to top; the damping component comprises a parallelogram mechanism formed by hinging and encircling an inner vertical plate, an upper deflection rod, an outer vertical plate and a lower deflection rod in sequence, and a connecting grid plate and a damping spring; the inner vertical plate is fixedly arranged on the first silencing plate, two ends of the connecting grid plate are respectively hinged to the outer vertical plate and the sleeve disc, the damping spring is arranged obliquely to the outer vertical plate, and two ends of the damping spring are respectively movably connected to the upper deflection rod and the lower deflection rod. The utility model is suitable for noise reduction treatment of the vibration disk, has good vibration and noise reduction effect, and has high structural stability and working reliability.

Description

Noise reduction device suitable for vibrating plate

Technical Field

The utility model belongs to the technical field of vibration disks, and particularly relates to a noise reduction device suitable for a vibration disk.

Background

With the development of industrial automation, the transportation of materials in the production and processing process is increasingly automated. In the existing production process, a vibration disc is often adopted for automatic feeding and sorting of small-sized workpieces.

The vibration disc is auxiliary feeding equipment, and aims to automatically, orderly, directionally and accurately arrange unordered workpieces to a next procedure through vibration, when the vibration disc works, the pulse electromagnet enables the hopper to vibrate in the vertical direction, the inclined spring piece drives the hopper to vibrate in a torsion mode around the vertical axis of the hopper, the vibrating parts can ascend along a spiral track due to the fact that the vibrating parts are subjected to ascending, screening or posture change of a series of tracks is carried out in the ascending process, and the parts can automatically enter an assembling or processing position in a unified state according to the assembling or processing requirements. However, since the vibration plate is in the process of vibrating under the action of the magnetic material, the vibration plate is in collision with the magnetic material at the moment, so that considerable working noise is caused in the working process of the vibration plate, the workshop production environment is affected, and the hearing of people can be damaged when working in the environment for a long time.

The existing noise reduction devices suitable for the vibration disk basically adopt the noise reduction device mainly assembled by a sliding component, a spring and a noise reduction material. For example, the publication number is CN216444398U, and the following structure is set in the chinese patent of the utility model, which is named as a noise reduction device suitable for a vibration disk: the inside of casing is provided with first slide rail, the surface of first slide rail is provided with first slider, the surface of first slider is provided with the movable rod, the one end of movable rod is provided with the roof, the surface of movable rod is provided with first spring, the inside of casing is provided with slider, slider's surface is provided with the second spring, the top of roof is provided with amortization section of thick bamboo, the inside of casing is provided with the third spring, the top of roof is provided with the vibration dish body. Although the vibration disk can play a certain role in vibration and noise reduction, the effect is not obvious and the structure is complex.

Disclosure of Invention

The utility model provides a noise reduction device suitable for a vibration disk aiming at the technical problems in the prior art.

The technical scheme for solving the technical problems is as follows:

the noise reduction device suitable for the vibration disk comprises a base, a first silencing plate, at least three damping assemblies distributed in an annular array and a sleeve disk for installing the vibration disk, wherein the base, the first silencing plate and the damping assemblies are sequentially arranged from bottom to top; the damping component comprises a parallelogram mechanism formed by hinging and encircling an inner vertical plate, an upper deflection rod, an outer vertical plate and a lower deflection rod in sequence, and a connecting grid plate and a damping spring; the inner vertical plate is fixedly arranged on the first silencing plate, two ends of the connecting grid plate are respectively hinged to the outer vertical plate and the sleeve disc, the damping spring is arranged obliquely to the outer vertical plate, and two ends of the damping spring are respectively movably connected to the upper deflection rod and the lower deflection rod.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the bottom of interior riser passes through mount pad fixed connection first acoustical panel.

Further, a triangle plate used for hinged connection of the grid plates is arranged at the bottom of the sleeve plate.

Further, the inside wall circumference of cover dish is provided with the voice coil loudspeaker voice coil that disappears.

Further, a second muffler plate is mounted on the bottom wall of the sleeve plate.

Further, the sleeve disc and the second silencing plate are provided with assembly holes for installing the vibration disc.

Further, the damping spring is a constant force spring.

The beneficial effects of the utility model are as follows: the utility model is suitable for noise reduction treatment of the vibration disk, has good vibration and noise reduction effect, and has high structural stability and working reliability.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a schematic perspective view of the present utility model;

fig. 3 is a schematic perspective view of another view of the present utility model.

In the figure:

1. a base; 2. a first muffler plate; 3. a mounting base; 4. an inner riser; 5. an upper deflection lever; 6. a lower deflection lever; 7. an outer riser; 8. connecting grid plates; 9. a triangle; 10. a sleeve disk; 11. a second muffler plate; 12. a damping spring; 13. a fitting hole; 14. voice coil is eliminated.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

For the convenience of understanding of those skilled in the art, when describing the structure of the present utility model, the directions of up, down, left, right, front, rear, etc. are defined with reference to fig. 1. This directional definition is merely for convenience of description and to facilitate understanding of the structures of the utility model by those skilled in the art, and is not intended to limit the scope of the utility model.

Example 1

As shown in fig. 1 to 3, the noise reduction device for a vibration disk of the present embodiment includes a base 1, a first muffler plate 2, at least three vibration absorbing components distributed in a ring-shaped array, and a sleeve disk 10 for mounting the vibration disk, which are sequentially arranged from bottom to top; the shock absorption assembly comprises a parallelogram mechanism formed by hinging and encircling an inner vertical plate 4, an upper deflection rod 5, an outer vertical plate 7 and a lower deflection rod 6 in sequence, and a connecting grid plate 8 and a shock absorption spring 12; the inner vertical plate 4 is fixedly arranged on the first silencing plate 2, two ends of the connecting grid plate 8 are respectively hinged to the outer vertical plate 7 and the sleeve disk 10, the damping spring 12 is arranged obliquely to the outer vertical plate 7, and two ends of the damping spring 12 are respectively movably connected to the upper deflection rod 5 and the lower deflection rod 6.

The bottom of the inner riser 4 in this embodiment is fixedly connected with the first muffler plate 2 through the mounting seat 3.

The scheme is adopted: the shock absorption assembly comprises a parallelogram mechanism formed by sequentially hinging and encircling an inner vertical plate 4, an upper deflection rod 5, an outer vertical plate 7 and a lower deflection rod 6, and a connecting grid plate 8 and a shock absorption spring 12. According to the characteristics of the parallelogram mechanism, the parallelogram mechanism drives the damping spring 12 to stretch and retract when swinging up and down, so that the damping is effective. Meanwhile, no matter the parallelogram mechanism swings upwards or downwards, the inner vertical plate 4 and the outer vertical plate 7 are always vertical to the ground, and the outer vertical plate 7 is hinged with the sleeve disk 10 through the connecting grid plate 8, so that the parallelogram mechanism can drive the sleeve disk 10 to move up and down through the connecting grid plate 8, and the left and right deflection of the sleeve disk 10 can be effectively reduced. The first muffler plate 2 is made of an existing muffler material for reducing noise; the damping component is used for damping, has good effect, good bearing capacity and high structural stability and working reliability.

Example 2

This embodiment is substantially similar in construction to embodiment 1, with the primary difference being the improved design of the sleeve disk 10.

As shown in fig. 1 and 3, a triangle 9 for hingedly connecting the grid plates 8 is installed at the bottom of the sleeve disk 10.

The scheme is adopted: the triangular plate 9 used for hinging the connecting grid plate 8 is arranged at the bottom of the sleeve disk 10, the triangular plate 9 is arranged at the bottom of the sleeve disk 10 and hinged with the connecting grid plate 8, so that the up-and-down movement of the damping component is facilitated, and a better damping effect is achieved.

As shown in fig. 2, the inner side wall of the sleeve disk 10 is circumferentially provided with a voice cancellation coil 14.

As shown in fig. 2 and 3, the bottom wall of the sleeve pan 10 is provided with a second muffler plate 11.

The voice coil 14 and the second muffler plate 11 are made of existing muffler materials, which is further advantageous in reducing noise of the vibration plate.

Preferably, the sleeve disk 10 and the second silencing plate 11 are provided with assembly holes 13 for installing the vibration disk. Is used for being matched with and installed on the vibrating disk body.

Example 3

This embodiment is substantially similar in structure to embodiment 2, with the main difference being the improvement of the damper spring 12.

As shown in fig. 3, the damper spring 12 is a constant force spring.

The constant force spring can reduce the vibration amplitude of the noise reduction device, so that the risk of damage to the structure of the damping component due to dynamic internal stress is reduced; the noise reduction device is beneficial to being quickly restored to a stable state after being subjected to instantaneous impact; the acoustic radiation source formed by vibration analysis can be reduced, reducing reflective noise.

The working principle of this embodiment is as follows:

the vibration plate is arranged on the sleeve plate 10 through the assembly holes 13, and in the working state, the vibration of the vibration plate drives the damping component of the noise reduction device to swing up and down.

The shock-absorbing assembly comprises a parallelogram mechanism formed by hinging and encircling an inner vertical plate 4, an upper deflection rod 5, an outer vertical plate 7 and a lower deflection rod 6 in sequence, and a connecting grid plate 8 and a shock-absorbing spring 12, wherein the shock-absorbing spring 12 can be driven to stretch and retract when the parallelogram mechanism swings up and down, so that a good shock-absorbing effect is achieved. In addition, the inner vertical plate 4 and the outer vertical plate 7 are always vertical to the ground, and the outer vertical plate 7 is hinged with the sleeve disk 10 through the connecting grid plate 8, so that the parallelogram mechanism can drive the sleeve disk 10 to move up and down through the connecting grid plate 8, and the left and right deflection of the sleeve disk 10 can be effectively reduced.

In addition, the first muffler plate 2, the voice coil 14, and the second muffler plate 11 are made of existing muffler materials for noise reduction. The noise reduction device is high in structural stability and working reliability.

In the present utility model, the devices and components not described in the structure are all commercially available devices or components.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. The noise reduction device suitable for the vibration disc is characterized by comprising a base (1), a first silencing plate (2), at least three shock absorption components distributed in an annular array and a sleeve disc (10) for installing the vibration disc, wherein the base, the first silencing plate and the shock absorption components are sequentially arranged from bottom to top; the damping component comprises a parallelogram mechanism formed by hinging and encircling an inner vertical plate (4), an upper deflection rod (5), an outer vertical plate (7) and a lower deflection rod (6) in sequence, and a connecting grid plate (8) and a damping spring (12); the inner vertical plate (4) is fixedly arranged on the first silencing plate (2), two ends of the connecting grid plate (8) are respectively hinged to the outer vertical plate (7) and the sleeve disc (10), the damping spring (12) is inclined to the outer vertical plate (7), and two ends of the damping spring (12) are respectively and movably connected to the upper deflection rod (5) and the lower deflection rod (6).

2. The noise reduction device suitable for the vibration disc according to claim 1, wherein the bottom end of the inner vertical plate (4) is fixedly connected with the first silencing plate (2) through the mounting seat (3).

3. A noise reducing device for a vibrating tray according to claim 1, characterized in that the bottom of the sleeve tray (10) is fitted with a triangle (9) for hinging the grid (8).

4. A noise reduction device for a vibrating disc according to claim 1, characterized in that the inner side wall of the sleeve disc (10) is circumferentially provided with a voice coil (14).

5. A noise reducing device for a vibrating tray according to claim 1 or 4, characterized in that the bottom wall of the tray (10) is fitted with a second sound-damping plate (11).

6. The noise reduction device for the vibration disk according to claim 5, wherein the sleeve disk (10) and the second silencing plate (11) are provided with assembly holes (13) for installing the vibration disk.

7. A noise reducing device for a vibrating disc according to claim 1, characterized in that the damping spring (12) is a constant force spring.