High-frequency vibrating mesh screening machine

Abstract

The utility model relates to a high-frequency vibrating screen machine which comprises a fixed rack, a screen frame is arranged on the fixed rack, the screen frame is arranged in an inclined mode, three layers of screens are arranged in the screen frame, the included angle between each layer of screen and the horizontal plane is 45-55 degrees, a discharging groove is formed in the position, corresponding to the lowermost portion of each layer of screen, of the screen frame, and the discharging groove is communicated with the screen frame. A receiving hopper is arranged at the bottom of the screen frame, each layer of screen consists of multiple sections of screens, at least one group of hydraulic vibration mechanism is arranged at the bottom of each section of screen, each group of hydraulic vibration mechanism comprises a mounting frame, a supporting beam is arranged on the mounting frame, two ends of the supporting beam are connected with two sides of the screen frame, and a vibration reduction part is arranged between the screen frame and the supporting beam. A hydraulic vibrating body is arranged on the supporting beam; the vibrating frequency is improved by arranging the hydraulic vibrating body, meanwhile, the inclination angle of the screen is increased, the material screening speed is increased, and therefore the screening efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the screening equipment field, concretely is high frequency shakes net screening machine. BACKGROUND

[0002] The screening machine is the main equipment of the ore dressing work, the structural form of the existing screening machine is various, the current screening machine generally adopts the vibration motor as the vibration body, the vibration frequency is relatively low, the inclination angle of the screen cloth is also smaller, therefore the speed of the material sliding is relatively slow, thereby the screening efficiency is reduced. SUMMARY

[0003] The utility model discloses a high frequency shakes net screening machine to solve the technical problems of the prior art.

[0004] The specific scheme of the utility model discloses a high frequency shakes net screening machine, which comprises a fixed frame, a screen frame is arranged on the fixed frame, the screen frame is arranged obliquely, three layers of screen cloth are arranged in the screen frame, the included angle between each layer of screen cloth and the horizontal plane is 45-55 DEG, a discharge chute is arranged at the lowermost position of each layer of screen cloth in the screen frame, a receiving hopper is arranged at the bottom of the screen frame, each layer of screen cloth is composed of multiple sections of screen cloth, at least one set of hydraulic vibration mechanism is arranged at the bottom of each section of screen cloth, each set of hydraulic vibration mechanism comprises a mounting frame, a support beam is arranged on the mounting frame, the two ends of the support beam are connected to the two sides of the screen frame, a damping member is arranged between the screen frame and the support beam, and a hydraulic vibration body is arranged on the support beam.

[0005] Further, a plurality of support plates are arranged on the support beam along the length direction, the support plates are arranged perpendicularly to the support beam, a longitudinal beam is arranged at the two ends of each support plate, a polyurethane strip is arranged on the longitudinal beam, and the polyurethane strip is fixedly connected to the screen cloth.

[0006] Further, the end of the screen cloth of each layer of screen cloth is located above the head end of the screen cloth of the next section.

[0007] Further, a hanging beam is arranged at the head end of each section of screen cloth in the screen frame, and a tightening device is arranged at the end of each section of screen cloth, and the tightening device is used for tightening the screen cloth.

[0008] The utility model has the advantages that the hydraulic vibration body is arranged to improve the vibration frequency, the inclination angle of the screen cloth is increased, the screening speed of the material is accelerated, and the screening efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 is the front view of the utility model;

[0010] Figure 2 is Figure 1 the A-A view of the utility model;

[0011] Figure 3 is the perspective view of the hydraulic vibration mechanism of the utility model;

[0012] Figure 4 is Figure 3 the front view;

[0013] In the figure: 1, fixed frame; 2, screen frame; 3, receiving hopper; 4, screen; 5, hydraulic vibration mechanism; 51, hydraulic vibration body; 52, support beam; 53, damping member; 54, support plate; 55, longitudinal beam; 56, polyurethane strip. DETAILED DESCRIPTION

[0014] Referring to Figures 1-4 , the embodiment is high-frequency vibrating screen machine, including fixed frame 1, fixed frame 1 is equipped with screen frame 2, screen frame 2 is arranged obliquely, screen frame 2 is equipped with three layers of screen 4, the included angle of each layer of screen 4 with horizontal plane is 45 °-55 °, screen frame 2 is equipped with one discharge chute corresponding to the lowermost of each layer of screen 4, the bottom of screen frame 2 is equipped with receiving hopper 3, each layer of screen 4 is composed of multiple screen 4, and the bottom of each section of screen 4 is equipped with at least one group of hydraulic vibration mechanism 5, each group of hydraulic vibration mechanism 5 includes mounting bracket, the mounting bracket is provided with one support beam 52, the two ends of support beam 52 are connected with the two sides of screen frame 2, damping member 53 is arranged between screen frame 2 and support beam 52, and support beam 52 is equipped with hydraulic vibration body 51.

[0015] Further, the damping member 53 adopts rubber spring.

[0016] Further, the support beam 52 is provided with a plurality of support plates 54 along the length direction, the support plates 54 are arranged perpendicularly to the support beam 52, one longitudinal beam 55 is arranged at the two ends of each support plate 54, the polyurethane strip 56 is arranged on the longitudinal beam 55, and the polyurethane strip 56 is fixedly connected with the screen 4.

[0017] Further, the end of the screen 4 of each layer of screen 4 is located above the head end of the screen 4 of the next section.

[0018] Further, the screen frame 2 is equipped with a screen hanging beam corresponding to the head end of each section of screen 4 and is equipped with a tightening device corresponding to the end of each section of screen 4, and the tightening device is used to tighten the screen 4.

[0019] The utility model adopts hydraulic vibration body 51, and the rotating speed can reach above 4000 rpm, and the traditional vibrating motor is generally 3000 rpm, so that the vibration frequency of vibration body is greatly improved, so that the screen 4 can still guarantee the screening effect while increasing the inclination angle to improve the material passing speed; so as to improve the efficiency while guaranteeing the screening quality.

Claims

1. A high frequency vibrating screen machine, characterized in that: The application relates to a screening machine, which comprises a fixed frame, a screen frame arranged on the fixed frame, three layers of screens arranged in the screen frame, an included angle between each layer of screens and a horizontal plane being 45-55 DEG, a discharge chute arranged at the lowermost position of each layer of screens in the screen frame, a receiving hopper arranged at the bottom of the screen frame, each layer of screens being composed of multiple sections of screens, at least one set of hydraulic vibration mechanisms arranged at the bottom of each section of screens, each set of hydraulic vibration mechanisms comprising a mounting frame, a support beam arranged on the mounting frame, two ends of the support beam being connected with two sides of the screen frame, damping members arranged between the screen frame and the support beam, and a hydraulic vibration body arranged on the support beam.

2. The high frequency vibrating screen machine of claim 1, wherein: A plurality of support plates are arranged on the support beam along the length direction, the support plates are arranged perpendicularly to the support beam, one longitudinal beam is arranged at each end of the support plate, and a polyurethane strip is arranged on the longitudinal beam and fixedly connected with the screen.

3. The high frequency vibrating screen machine of claim 1, wherein: The end of the upper section of screens of each layer of screens is located above the head end of the next section of screens.

4. A high frequency vibrating screen machine as claimed in claim 3, wherein: A screen hanging beam is arranged at the head end of each section of screens in the screen frame, and a tightening device is arranged at the end of each section of screens, the tightening device being used for tightening the screen.

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