CN-224208518-U - Elastic vibration reduction connecting device for efficient vibrating screen

CN224208518UCN 224208518 UCN224208518 UCN 224208518UCN-224208518-U

Abstract

The utility model discloses an elastic vibration reduction connecting device for a high-efficiency vibrating screen, relates to the technical field of vibrating screens, and aims to solve the problems that a traditional vibration reduction system is single in rigidity direction, resonance phenomenon is easy to occur when exciting force is suddenly changed, and severe shaking and abnormal noise of a screen body are caused; the Z-shaped serial vibration reduction assembly is arranged in a staggered mode of the first connecting seat and the second connecting seat, so that vibration reduction rubber strips consume energy synchronously in compound deformation, the four groups of vibration reduction rubber strips are arranged at the inner angle to form a nonlinear rigidity gradient, low frequency band absorbs energy through molecular friction in rubber, high frequency band reflects sound waves by utilizing acoustic impedance mutation effect of a perforation structure, integral noise level of equipment is reduced, and meanwhile stress peak value of the sieve body is reduced.

Inventors

FAN ZHENFENG
LIANG CHUNXUAN
FAN ZHENJIE

Assignees

河南亚通机械设备有限公司

Dates

Publication Date: 20260508
Application Date: 20250521

Claims (5)

1. The elastic vibration reduction connecting device for the efficient vibrating screen comprises a screen body (1), an underframe (2) and a vibration reduction assembly, wherein the screen body (1) is arranged above the underframe (2), and the screen body (1) is connected with the underframe (2) through the vibration reduction assembly, and the elastic vibration reduction connecting device is characterized by further comprising a first mounting seat (3), a first connecting seat (4), a second connecting assembly, a second connecting seat (8) and a second mounting seat (9), wherein the first mounting seat (3) is arranged on the top surface of the underframe (2), the second mounting seat (9) is arranged on the bottom surface of the screen body (1), the first connecting assembly is provided with two groups, and the first mounting seat (3) and the second mounting seat (9) are connected with the first connecting seat (4) and the second connecting seat (8) through the first connecting assembly; the first connecting seat (4) is connected with the second connecting seat (8) through the second connecting assembly; The installation seat (3) and the installation seat (9), the connection seat (4) and the connection seat (8) are respectively provided with a perforation, and the inner wall of the perforation is slidably connected with a vibration reduction rubber strip (12).
2. The elastic vibration damping connecting device for the efficient vibrating screen according to claim 1, wherein the first connecting component comprises a first connecting arm (5), a first moving arm (6) and a fixed arm (7), the first connecting arm (5) is elliptical, and the first moving arm (6) and the fixed arm (7) are respectively arranged at two ends of the first connecting arm (5); The first connecting assembly is provided with two groups, the through holes of the first mounting seat (3) and the second mounting seat (9) are respectively connected with the corresponding fixed arms (7), and the through holes of the first connecting seat (4) and the second connecting seat (8) are respectively connected with the corresponding first movable arms (6).
3. The elastic vibration damping connecting device for the efficient vibrating screen according to claim 2, wherein the second connecting component comprises a second connecting arm (10) and a second movable arm (11), the second connecting arm (10) is elliptical, the second movable arm (11) is arranged at two ends of the second connecting arm (10), and two groups of the second movable arms (11) are respectively and slidably connected with the first connecting seat (4) and the second connecting seat (8); the first movable arm (6) and the second movable arm (11) are connected through a connecting mechanism.
4. The elastic vibration damping connecting device for the efficient vibrating screen is characterized in that the connecting mechanism comprises a connecting rod (13), a spring (15) and a positioning pin (16), the connecting rod (13) penetrates through the first moving arm (6) and the second moving arm (11), a first annular groove (60) and a second annular groove (110) are respectively arranged on the inner walls of the first moving arm (6) and the second moving arm (11), positioning grooves (130) are formed in the connecting rod (13), two groups of the positioning grooves (130) are formed, the positioning pin (16) is slidably connected in the positioning grooves (130), the spring (15) is pressed between the positioning pin (16) and the positioning grooves (130), and the two groups of the positioning pin (16) are respectively matched with the first annular groove (60) and the second annular groove (110).
5. The elastic vibration damping connecting device for the high-efficiency vibrating screen according to claim 4, wherein the end part of the connecting rod (13) is provided with a positioning hole (131), and a positioning bolt (14) is connected in the positioning hole (131) in a threaded manner.

Description

Elastic vibration reduction connecting device for efficient vibrating screen Technical Field The utility model relates to the technical field of vibrating screens, in particular to an elastic vibration reduction connecting device for an efficient vibrating screen. Background The vibrating screen is used as core equipment for classifying and screening materials, and is widely applied in the fields of mines, metallurgy, chemical industry and the like. A screen body of the traditional vibrating screen is connected with a chassis through a linear spring or a single rubber damper, the technical bottlenecks are existed that the rigidity direction of the traditional vibration damping system is single, vertical, horizontal and oblique vibration energy is difficult to synchronously restrain, particularly, resonance phenomenon is easy to be caused when exciting force is suddenly changed, the screen body is violently swayed and abnormal noise is caused, the rigidity contact ratio between connecting parts is high, vibration energy is directly transmitted to the chassis, screening efficiency is reduced, and integral noise pollution of equipment is aggravated. Accordingly, the present application provides an elastic vibration dampening coupling device for a high efficiency vibrating screen to meet the need. Disclosure of utility model The application aims to provide an elastic vibration reduction connecting device for a high-efficiency vibrating screen, and aims to solve the problems that a traditional vibration reduction system is single in rigidity direction, resonance phenomenon is easy to occur when exciting force is suddenly changed, and severe shaking and abnormal noise of a screen body are caused. The elastic vibration damping connecting device for the efficient vibrating screen comprises a screen body, a bottom frame and a vibration damping component, wherein the screen body is arranged above the bottom frame, the screen body is connected with the bottom frame through the vibration damping component, the vibration damping component further comprises a first mounting seat, a first connecting component, a second connecting seat and a second mounting seat, the first mounting seat is arranged on the top surface of the bottom frame, the second mounting seat is arranged on the bottom surface of the screen body, the first connecting component is provided with two groups, and the first mounting seat and the second mounting seat are connected with the first connecting seat and the second connecting seat through the first connecting component; the first connecting seat is connected with the second connecting seat through the second connecting assembly; the first mounting seat, the second mounting seat, the first connecting seat and the second connecting seat are all provided with perforations, and vibration reduction rubber strips are connected to the inner walls of the perforations in a sliding mode. Preferably, the first connecting component comprises a first connecting arm, a first moving arm and a fixed arm, wherein the first connecting arm is elliptical, and the first moving arm and the fixed arm are respectively arranged at two ends of the first connecting arm; The first connecting assembly is provided with two groups, the through holes of the first mounting seat and the second mounting seat are respectively connected with the corresponding fixed arms, and the through holes of the first connecting seat and the second connecting seat are respectively connected with the corresponding first movable arms. Preferably, the second connecting component comprises a second connecting arm and a second movable arm, the second connecting arm is elliptical, the second movable arms are arranged at two ends of the second connecting arm, and the two groups of second movable arms are respectively and slidably connected with the first connecting seat and the second connecting seat; the first movable arm and the second movable arm are connected through a connecting mechanism. Preferably, the connecting mechanism comprises a connecting rod, a spring and positioning pins, the connecting rod penetrates through a first moving arm and a second moving arm, a first annular groove and a second annular groove are respectively formed in the inner walls of the first moving arm and the second moving arm, positioning grooves are formed in the connecting rod, two groups of positioning grooves are formed in the connecting rod, the positioning pins are slidably connected in the positioning grooves, the spring is arranged between the positioning pins and the positioning grooves in a pressing mode, and the two groups of positioning pins are respectively matched with the first annular groove and the second annular groove. Preferably, the end of the connecting rod is provided with a positioning hole, and a positioning bolt is connected in the positioning hole in a threaded manner. In summary, the utility model has the technical effects and advantages that: