CN219464029U

CN219464029U - Vibration screening machine

Info

Publication number: CN219464029U
Application number: CN202223503069.5U
Authority: CN
Inventors: 王艳彬; 迟群才
Original assignee: Henan Chenfa Surface Treatment Co ltd
Current assignee: Henan Chenfa Surface Treatment Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-08-04
Anticipated expiration: 2032-12-27

Abstract

The utility model relates to the technical field of screening machines and discloses a vibration screening machine, which comprises a screening cylinder, wherein a base is arranged at the bottom end of the screening cylinder, screening mechanisms which are arranged up and down and have a certain interval are movably connected in the screening cylinder and are used for screening materials, a driving mechanism for driving the screening mechanisms to vibrate is arranged on the inner bottom wall of the base, and a driven mechanism is arranged on the inner top wall of the screening mechanism. This vibration divides screen (ing) machine, rotatory repeated jack-up with the pulley through the rotation of cam, the pulley drives straight rack through the support column on the fly leaf and reciprocates this moment, at straight rack reciprocate the in-process, with straight rack engaged gear drive the epaxial screening net of rotation carry out the horizontal rotation, thereby make the material on the screening net move about in the vibration, and then can enlarge the scope of material position change, the whereabouts speed of material when the screening is improved, thereby avoid causing the influence to the screening speed of material.

Description

Vibration screening machine

Technical Field

The utility model relates to the technical field of screening machines, in particular to a vibration screening machine.

Background

The diamond micropowder refers to diamond particles with the granularity of less than 54 microns, and comprises single crystal diamond micropowder and polycrystalline diamond micropowder, and in the diamond micropowder processing process, vibration screening mechanical equipment is needed for screening the micropowder, and the screening machine utilizes the relative motion of a particulate material and a screening surface to enable part of the particles to penetrate through a screen hole, so that the diamond micropowder material is divided into different levels of vibration screening mechanical equipment according to the particle size.

The utility model provides a rubber powder screening machine that is disclosed in chinese granted patent application publication No. CN213792681U, this rubber powder screening machine is through setting up auxiliary hopper, places the hourglass of feeding, loses raw and other materials, increases the cost, and the setting of sliding plate is convenient for vibration motor's maintenance and change, reduces the time of split screening machine main part, labour saving and time saving improves the work efficiency of screening machine, but above-mentioned prior art's structural design:

in the process of screening the materials, the vibration provided by the vibration motor only drives the materials to change positions on the screen mesh, so that the position change range of the materials is limited, the falling speed of the materials in the screening process is slower, and the screening speed of the materials is affected.

We have therefore proposed a vibrating screen separator in order to solve the problems set out above.

It should be noted that the information disclosed in the background section of the present utility model is only for increasing the understanding of the general background of the present utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

Disclosure of Invention

(one) solving the technical problems

In view of the above-mentioned shortcomings of the prior art, the present utility model is directed to a vibrating screening machine, so as to solve the above-mentioned problems.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

the vibrating screening machine comprises a screening cylinder, wherein a base is arranged at the bottom end of the screening cylinder, screening mechanisms which are arranged up and down and have a certain interval are movably connected in the screening cylinder and are used for screening materials, a driving mechanism for driving the screening mechanisms to vibrate is arranged on the inner bottom wall of the base, and a driven mechanism is arranged on the inner top wall of the screening mechanism;

the screening mechanism comprises a screening net, a rotating shaft is arranged in the middle of the screening net, and a gear is arranged at one end of the rotating shaft penetrating through the screening cylinder;

the driven mechanism comprises a movable plate, a pulley is arranged at the bottom of the movable plate, a support column is arranged at the top of the movable plate, and a straight rack is arranged at one end of the support column penetrating through the top of the base.

Preferably, a plurality of discharging pipes are arranged on the outer side of the screening cylinder, and a baffle is arranged below the inside of the screening cylinder.

Preferably, a shock pad is mounted at the bottom of the base, and the shock pad is made of shock-absorbing rubber material.

Preferably, the driving mechanism comprises a mounting frame, a driving motor is mounted at the bottom of one side of the inner wall of the mounting frame, a rotating shaft is mounted at one end of the mounting frame through a driving shaft, and an eccentric block is mounted at the outer side of one end of the rotating shaft.

Preferably, a cam is installed at one end of the rotating shaft penetrating through the installation frame, and the cam is connected with the pulley in a sliding mode.

Preferably, an elastic piece is arranged at the outer side of the bottom end of the supporting column.

Preferably, sliding rods are arranged on two sides of the inner top wall of the base, and a limiting plate is arranged at one end of the sliding rod penetrating through the movable plate.

(III) beneficial effects

Compared with the prior art, the utility model has the beneficial effects that:

(1) According to the utility model, in the process of screening materials, the pulley is repeatedly jacked up through the rotation of the cam, at the moment, the pulley drives the straight rack to move up and down through the support column on the movable plate, and in the process of moving up and down of the straight rack, the gear meshed with the straight rack drives the screening net on the rotating shaft to rotate left and right, so that the materials on the screening net move left and right while vibrating, the position change range of the materials can be enlarged, the falling speed of the materials during screening is improved, and the influence on the screening speed of the materials is avoided.

Drawings

FIG. 1 is a schematic cross-sectional view of a base of a vibratory screening machine according to the present utility model;

FIG. 2 is an enlarged schematic view of the vibrating screen machine of the present utility model at A in FIG. 1;

FIG. 3 is a schematic cross-sectional view of a screen cylinder of the vibratory screening machine of the present utility model;

FIG. 4 is a schematic view of the driven mechanism of the vibratory screening machine of the present utility model;

fig. 5 is a schematic view of the structure of the cam of the vibrating screen machine according to the utility model.

In the figure: 1. a sieving cylinder; 2. a discharge pipe; 3. a base; 4. a shock pad; 5. a screening mechanism; 6. a driving mechanism; 7. a driven mechanism; 8. a baffle; 51. screening net; 52. a rotation shaft; 53. a gear; 61. a mounting frame; 62. a driving motor; 63. a rotating shaft; 64. an eccentric block; 65. a cam; 71. a movable plate; 72. a pulley; 73. a support column; 74. an elastic member; 75. a straight rack; 76. and a slide bar.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a vibratory screening machine; the screening device comprises a screening cylinder 1, wherein a base 3 is arranged at the bottom end of the screening cylinder 1, screening mechanisms 5 which are arranged up and down and have a certain interval are movably connected in the screening cylinder 1 and are used for screening materials, a driving mechanism 6 used for driving the screening mechanisms 5 to vibrate is arranged on the inner bottom wall of the base 3, and a driven mechanism 7 is arranged on the inner top wall of the screening mechanism 5;

the screening mechanism 5 comprises a screening net 51, the outer wall of the screening net 51 is in sliding connection with the inner wall of the screening cylinder 1, the diameter of a filtering hole of the uppermost screening net 51 is larger than that of a filtering hole of the lowermost screening net 51 so as to carry out multistage screening on materials, a rotating shaft 52 is arranged in the middle of the screening net 51, one end of the rotating shaft 52 is in rotary connection with the inner wall of the screening cylinder 1, and a gear 53 is arranged at one end of the rotating shaft 52 penetrating through the screening cylinder 1;

the driven mechanism 7 comprises a movable plate 71, a pulley 72 is arranged at the bottom of the movable plate 71, a supporting column 73 is arranged at the top of the movable plate 71, a straight rack 75 is arranged at one end of the supporting column 73 penetrating through the top of the base 3, and the straight rack 75 is meshed with the gear 53.

As shown in fig. 1, as a preferable mode, a plurality of discharge pipes 2 are arranged on the outer side of the screening cylinder 1, the plurality of discharge pipes 2 are arranged in a staggered manner, a baffle plate 8 for transmitting vibration is arranged below the inside of the screening cylinder 1, the top of the baffle plate 8 is arranged near the bottom of one end of the lowermost discharge pipe 2, the top of the uppermost screening net 51 is arranged near the bottom of one end of the uppermost discharge pipe 2, and the top of the middle screening net 51 is arranged near the bottom of one end of the middle discharge pipe 2;

as shown in fig. 3, preferably, the shock pad 4 is mounted at the bottom of the base 3, the shock pad 4 is made of shock-absorbing rubber material, and by providing the shock pad 4, the shock transmitted from the base 3 to the table top can be reduced;

as shown in fig. 4, preferably, the driving mechanism 6 includes a mounting frame 61, the bottom of the mounting frame 61 is mounted on the inner bottom wall of the base 3, the top of the mounting frame 61 penetrates through the top of the base 3 and is mounted at the bottom of the baffle 8, a driving motor 62 is mounted at the bottom of one side of the inner wall of the mounting frame 61, one end of the mounting frame 61 is provided with a rotating shaft 63 through a driving shaft, one end outer side of the rotating shaft 63 is provided with an eccentric block 64, and the screening net 51 can be driven to vibrate through rapid rotation of the eccentric block 64;

as shown in fig. 4, preferably, a cam 65 is mounted to one end of the rotation shaft 63 penetrating the mounting frame 61, one end of the rotation shaft 63 penetrating the mounting frame 61 is rotatably connected to the inner wall of the base 3, and the cam 65 is slidably connected to the pulley 72;

as shown in fig. 1-2, preferably, an elastic member 74 is provided outside the bottom end of the support column 73, the top end of the elastic member 74 is mounted on the inner bottom wall of the base 3, the bottom end of the elastic member 74 is mounted on the top of the movable plate 71, and the elastic member 74 is a spring;

as shown in fig. 1-2, preferably, sliding rods 76 are mounted on two sides of the inner top wall of the base 3, a limiting plate is mounted at one end of the sliding rod 76 penetrating through the movable plate 71, and stability of the straight rack 75 during lifting can be improved by the sliding rod 76.

It should be noted that, this embodiment is a vibration screening machine, when screening, add the inside of screening section of thick bamboo 1 with the material, then start driving motor 62, driving motor 62 drives eccentric block 64 and cam 65 simultaneously through epaxial axis of rotation 63 at this moment and rotates, the vibrations that the in-process that eccentric block 64 rotated produced are passed through mounting frame 61 and are passed on screening net 51, thereby make the material on the screening net 51 produce vibrations, in the in-process that the material was screened, jack up pulley 72 through the rotation of cam 65 repeatedly, at this moment pulley 72 drives straight rack 75 through support column 73 on fly leaf 71 and reciprocates, in the in-process that straight rack 75 reciprocated, elastic component 74 compresses repeatedly, simultaneously with straight rack 75 engaged gear 53 drive screening net 51 on the axis of rotation 52 rotate about, thereby make the material on the screening net 51 move about when vibrating, and then can enlarge the scope of material position change, improve the whereabouts speed of material when screening, thereby avoid causing the influence to the screening speed of material.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The vibrating screening machine comprises a screening cylinder (1), and is characterized in that a base (3) is arranged at the bottom end of the screening cylinder (1), screening mechanisms (5) which are arranged up and down and have a certain interval are movably connected in the screening cylinder (1) and are used for screening materials, a driving mechanism (6) used for driving the screening mechanisms (5) to vibrate is arranged on the inner bottom wall of the base (3), and a driven mechanism (7) is arranged on the inner top wall of the screening mechanism (5);

the screening mechanism (5) comprises a screening net (51), a rotating shaft (52) is arranged in the middle of the screening net (51), and a gear (53) is arranged at one end of the rotating shaft (52) penetrating through the screening cylinder (1);

the driven mechanism (7) comprises a movable plate (71), a pulley (72) is arranged at the bottom of the movable plate (71), a supporting column (73) is arranged at the top of the movable plate (71), and a straight rack (75) is arranged at one end of the supporting column (73) penetrating through the top of the base (3).

2. Vibrating screen machine according to claim 1, characterized in that the outside of the screening cylinder (1) is fitted with a number of discharge pipes (2), and the inside of the screening cylinder (1) is fitted with a baffle (8) below.

3. Vibrating screen machine according to claim 1, characterized in that the bottom of the base (3) is fitted with a shock pad (4), the shock pad (4) being made of shock absorbing rubber material.

4. The vibrating screen machine according to claim 1, wherein the driving mechanism (6) comprises a mounting frame (61), a driving motor (62) is mounted at the bottom of one side of the inner wall of the mounting frame (61), a rotating shaft (63) is mounted at one end of the mounting frame (61) through a driving shaft, and an eccentric block (64) is mounted at the outer side of one end of the rotating shaft (63).

5. The vibrating screen machine according to claim 4, characterized in that a cam (65) is mounted through one end of the mounting frame (61) by the rotating shaft (63), the cam (65) being slidingly connected with a pulley (72).

6. Vibrating screen machine according to claim 1, characterized in that the outer side of the bottom end of the support column (73) is provided with an elastic element (74).

7. The vibrating screen machine according to claim 1, wherein sliding rods (76) are arranged on two sides of the inner top wall of the base (3), and limiting plates are arranged at one ends of the sliding rods (76) penetrating through the movable plates (71).