CN210585800U

CN210585800U - Large vertical vibrating screen

Info

Publication number: CN210585800U
Application number: CN201921152827.9U
Authority: CN
Inventors: 陶立英; 宋方臻; 宋波; 袁正涛
Original assignee: University of Jinan
Current assignee: University of Jinan
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-05-22
Anticipated expiration: 2029-07-22

Abstract

The utility model discloses a large-scale vertical shale shaker, including base part, excitation part, box body part, wherein base part includes base, driving motor support frame, and the excitation part includes driving motor, shaft coupling, eccentric vibration exciter, and box body part includes box, case lid, four group's screen cloth, screen cloth support frame, main vibrating spring support frame, vibration isolation spring seat, pan feeding mouth, divides flitch, thick discharge gate, striker plate, welt, and wherein the screen cloth is about, structure. The utility model discloses an anti-resonance mode, four screen meshes are the rhombus and distribute, and the material flows along the screen mesh left and right sides that the rhombus distributes respectively through top-down, can strengthen the screening quality and the efficiency of shale shaker greatly, and furtherly simultaneously improves the main spring that shakes, has adopted the steel cable spring, can strengthen the life-span of shale shaker, reduces the maintenance and dismantles the degree of difficulty.

Description

Large vertical vibrating screen

Technical Field

The utility model relates to a technical field of shale shaker especially relates to a large-scale vertical shale shaker.

Background

With the development of economy, the screening sieve not only plays an important role in mining machinery, but also has wider application in other industries, and a plurality of vibrating sieves with different sizes, shapes and functions are required in processing and manufacturing materials or producing products in many places in life. With the increasing application of the vibrating screen in life, higher requirements are also put forward on the performances of the vibrating screen in all aspects during vibration, and certain requirements are also put forward on the screening capacity of the vibrating screen. The design of the vibrating screen in terms of structural reasonableness, use reliability and the like is very important.

The vibrating screen operates by utilizing reciprocating rotary type vibration generated by vibrator excitation. The vibration exciter mainly comprises a box body, an eccentric vibration exciter, a suspension (or support) device, a motor and the like. The motor drives the main shaft of the eccentric vibration exciter to rotate, and the box body vibrates under the action of centrifugal inertia force of an unbalanced weight on the eccentric vibration exciter. The vibrating screen is the main equipment for material classification in industrial and mining enterprises, but the screen cloth and the box body of the traditional vibrating screen are rigidly connected, the noise is large during operation, and the screening quality and the screening efficiency are not high.

SUMMERY OF THE UTILITY MODEL

The utility model provides a large-scale vertical shale shaker to solve the problem of mentioning in the above-mentioned background art.

The technical scheme of the utility model lies in:

the utility model provides a large-scale vertical vibrating screen, including base part, excitation part and box part, be equipped with the box part on the base part, be equipped with the excitation part on the box part, the box part includes box, pan feeding mouth, striker plate, branch flitch, rhombus screening structure, play flitch and thick discharge gate, the upper end center of box is equipped with the pan feeding mouth, be equipped with the branch flitch in the box under the pan feeding mouth, the branch flitch is the shape of falling V and the lower extreme left and right sides is equipped with rhombus screening structure respectively, two dog plates are equipped with respectively in the left and right sides of rhombus screening structure, make the material flow to the latter half of rhombus screening structure from the first half of rhombus screening structure through the striker plate;

rhombus screening structure below central authorities are equipped with the thick discharge gate that supplies the outside outflow of the great granule that sieves out, the left and right sides of rhombus screening structure is equipped with out the flitch, two it inclines to extend down and the thin discharge gate of the outside outflow of less granule for supplying the screening out between lower extreme and the box to go out the flitch.

Furthermore, the rhombic screening structure comprises two upper screens in an inverted V-shaped distribution on the upper half part and two lower screens in a V-shaped distribution on the lower half part, the two upper screens incline and extend downwards from the material separating plates in opposite directions, the upper end surfaces of the two upper screens are working surfaces, the two lower screens incline and extend downwards from corresponding material blocking plates in opposite directions, and the upper end surfaces of the two lower screens are working surfaces;

an upper screen support frame and a lower screen support frame are respectively nested on the upper screen and the lower screen.

Furthermore, an upper parallel support and a lower parallel support are respectively arranged below the upper screen support and the lower screen support in parallel, and steel cable springs are respectively arranged between the upper screen support and the corresponding upper parallel support and between the lower screen support and the corresponding lower parallel support.

Furthermore, the upper screen and the lower screen are both multi-stage bar screens distributed in a stepped manner.

Furthermore, the excitation part comprises an eccentric vibration exciter, a flexible coupling and a driving motor, the eccentric vibration exciter is arranged on the box body and is connected with the driving motor through the flexible coupling, so that the driving motor drives the eccentric vibration exciter to rotate through the flexible coupling, and the eccentric vibration exciter performs up-and-down reciprocating excitation on the box body.

Further, the base part comprises a base, vibration isolation spring seats, vibration isolation springs and a motor support frame, the base is arranged under the box body, the vibration isolation springs are arranged between the upper end of the base and the lower end of the box body, the upper side and the lower side of each vibration isolation spring are respectively nested with the vibration isolation spring seats correspondingly arranged at the upper end of the base and the lower end of the box body, the motor support frame is arranged on the base, and a driving motor is arranged on the motor support frame.

Furthermore, the lower sides of the two upper parallel brackets are provided with reinforcing rib plates which are fixedly arranged between the two side walls of the box body and support the upper parallel brackets.

The utility model discloses owing to adopted above-mentioned technique, make it compare specific positive beneficial effect with prior art and be:

1. four group's screen cloth adopt about, the rhombus structure setting of controlling, can sieve two sets of materials simultaneously, every group material can sieve twice in succession, greatly increased shale shaker to the screening quality and the screening efficiency of material, the case lid inboard that two sets of screen cloth bottoms on it correspond is provided with the welt, can effectively reduce the impact and the wearing and tearing of material to the case lid, the box inboard is provided with the reinforced rib board, can strengthen the structural strength of box, the life of extension shale shaker.

2. The main vibrating spring adopts the steel cable spring, compares other types of spring antiresonance characteristic curve and more tends to the gentleness, reaches antiresonance point more easily, and can reduce the noise of shale shaker at the during operation to reduce the degree of difficulty of maintenance, dismantlement.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a schematic view of the internal structure of the present invention;

figure 3 is a view of a cantilevered bar screen configuration.

In the figure: 1-base, 2-vibration isolation spring seat, 3-box body, 4-eccentric vibration exciter, 5-feeding port, 6-box cover, 7-bolt, 8-flexible coupler, 9-driving motor, 10-three-nut bolt, 11-motor support frame, 12-discharging plate, 13-vibration isolation spring, 14-lower parallel support frame, 15-lower screen support frame, 16-material baffle plate, 17-lining plate, 18-upper parallel support frame, 19-upper screen support frame, 20-material separating plate, 21-steel cable spring, 22-upper screen, 23-reinforcing rib plate, 24-lower screen, 25-lower screen steel cable spring, 26-coarse discharging port and 27-bar.

Detailed Description

The utility model provides a large-scale vertical vibrating screen, including the base part, excitation part and box 3 part, be equipped with box 3 part in the base 1 part, be equipped with the excitation part in the box 3 part, box 3 part includes box 3, pan feeding mouth 5, striker plate 16, divide flitch 20, rhombus screening structure, play flitch 12 and thick discharge gate 26, the upper end center of box 3 is equipped with pan feeding mouth 5, be equipped with divide flitch 20 in the box 3 under pan feeding mouth 5, divide flitch 20 to be the shape of falling V and the lower extreme left and right sides is equipped with rhombus screening structure respectively, two dog plates 16 are equipped with respectively in the left and right dog-ear department of rhombus screening structure, make the material flow to the latter half of rhombus screening structure from the first half of rhombus screening structure through striker plate 16;

the middle of the lower part of the rhombic screening structure is provided with a coarse discharge hole 26 for the screened larger particles to flow outwards, the left side and the right side of the rhombic screening structure are provided with two discharge plates 12, the two discharge plates 12 are inclined oppositely and extend downwards, and a fine discharge hole for the screened smaller particles to flow outwards is arranged between the lower end of the two discharge plates 12 and the box body 3.

The rhombic screening structure comprises two upper screens 22 which are distributed in an inverted V shape on the upper half part and two lower screens 24 which are distributed in a V shape on the lower half part, wherein the two upper screens 22 extend obliquely and downwards from the material separating plate 20 in opposite directions, the upper end surfaces of the two upper screens are working surfaces, the two lower screens 24 extend obliquely and downwards from the corresponding material blocking plates 16 in opposite directions, and the upper end surfaces of the two lower screens are working surfaces;

the upper screen 22 and the lower screen 24 are respectively nested with the upper screen 22 support frame 19 and the lower screen 24 support frame 15.

An upper parallel support 18 and a lower parallel support 14 are respectively arranged below the

support frames

19 and 15 of the upper screen 22 and the lower screen 24 in parallel, and a steel cable spring 21 is respectively arranged between the support frame 19 of the upper screen 22 and the corresponding upper parallel support 18 and between the support frame 15 of the lower screen 24 and the corresponding lower parallel support 14.

The upper screen 22 and the lower screen 24 are both made of multi-stage bar 27 screen with a step-shaped distribution.

The excitation part comprises an eccentric exciter 4, a flexible coupler 8 and a driving motor 9, wherein the eccentric exciter 4 is arranged on the box body 3 and is connected with the driving motor 9 through the flexible coupler 8, so that the driving motor 9 drives the eccentric exciter 4 to rotate through the flexible coupler 8, and the eccentric exciter 4 performs up-and-down reciprocating excitation on the box body 3.

The base part comprises a base 1, a vibration isolation spring 13 seat 2, a vibration isolation spring 13 and a motor support frame 11, the base 1 is arranged under the box body 3, the vibration isolation spring 13 is arranged between the upper end of the base 1 and the lower end of the box body 3, the upper side and the lower side of the vibration isolation spring 13 are respectively nested with the vibration isolation spring 13 seat 2 correspondingly arranged on the upper end of the base 1 and the lower end of the box body 3, the motor support frame 11 is arranged on the base 1, and a driving motor 9 is arranged on the motor support frame 11.

The lower sides of the two upper parallel brackets 18 are provided with reinforcing ribs 23, and the reinforcing ribs 23 are fixedly arranged between the two side walls of the box body 3 and play a supporting role for the upper parallel brackets 18.

The first embodiment is as follows:

as shown in attached figures 1-3, the utility model provides a large vertical vibrating screen, which comprises a base 1, two groups of vibration isolation spring seats 2 are welded at the bottom of a box body 3, so that vibration isolation springs 13 can be better connected with the box body 3, a feed inlet 5 is arranged at the upper part of the box body 3, a box cover 6 is arranged at the left and right sides of the upper end of the box body and is connected with the box body 3 by bolts 7, a driving motor 9 is connected with an eccentric vibration exciter 4 by a flexible coupling 8, the eccentric vibration exciter 4 is fixedly connected with the box body 3 by bolts, the driving motor 9 is connected with a driving motor support frame 11 by a three-nut bolt 10, a discharge plate 12 is arranged at the lower part of the box body, a lower screen 24 is connected with a lower screen support frame 15 by bolts, a lower screen steel cable spring 25 is connected with a lower parallel support frame 14 by bolts, a, the lining plates 17 are arranged on the inner sides of the box covers corresponding to the bottoms of the two groups of screen meshes above, so that the box cover 6 is reinforced, and the box cover 6 is prevented from being damaged due to the fact that materials impact the box cover 6 when falling from the upper screen meshes 22 to the striker plate 16;

similarly, the upper screen 22 and the upper screen support frame 19 are connected through bolts, the upper screen cable springs 21 and the upper parallel supports 18 are connected through bolts, reinforcing rib plates 23 are arranged on the lower sides of the two upper parallel supports 18, the reinforcing rib plates 23 are welded between the two side walls of the box body 3 and support the upper parallel supports 18, a material distributing plate 20 is arranged at the bottom of the material inlet 5, reinforcing rib plates are arranged on the inner side of the box body 3, and a coarse material outlet 26 is arranged at the bottom of each of the two groups of lower screens and in the middle of the box body.

In the shale shaker working process, at first open driving motor 9 and connect eccentric vibration exciter 4 through flexible coupling 8, eccentric block rotation in the eccentric vibration exciter 4 can produce exciting force and drive the vibration of box 3, the material can get into two sets of upper screen cloth 22 respectively through pan feeding mouth 5 and branch flitch 20, through the first grade screening of upper screen cloth 22, the material loops through striker plate 16 and gets into two sets of lower screen cloth 24 and carries out the second grade screening, after twice screening, the material that meets the requirements can flow out from the shale shaker both sides through play flitch 12, the material of bigger granule can flow out from the shale shaker centre through thick discharge gate 26, thereby reach the purpose that the material once got into twice screening, through adjusting the density degree of stick 27 and then the size of control screening granule.

Claims

1. The utility model provides a large-scale vertical shale shaker, includes base part, excitation part and box body part, be equipped with box body part on the base part, be equipped with excitation part on the box body part, its characterized in that: the box body part comprises a box body, a feeding hole, a material baffle plate, a material distribution plate, a rhombic screening structure, a material outlet plate and a coarse material outlet, wherein the feeding hole is formed in the center of the upper end of the box body, the material distribution plate is arranged on the part, located right below the feeding hole, in the box body, the material distribution plate is inverted V-shaped, the left side and the right side of the lower end of the material distribution plate are respectively provided with the rhombic screening structure, and the material baffle plate is arranged at the left folding angle and the right folding angle of the rhombic screening structure respectively, so that materials flow from the upper half part of the rhombic screening;

2. A large vertical shaker as claimed in claim 1, wherein: the rhombic screening structure comprises two upper screens in inverted V-shaped distribution on the upper half part and two lower screens in V-shaped distribution on the lower half part, the two upper screens incline and extend downwards from the material distribution plate in opposite directions, the upper end surfaces of the two upper screens are working surfaces, the two lower screens incline and extend downwards from corresponding material blocking plates in opposite directions, and the upper end surfaces of the two lower screens are working surfaces;

3. A large vertical shaker as claimed in claim 2, wherein: an upper parallel support and a lower parallel support are respectively arranged below the upper screen support and the lower screen support in parallel, and steel cable springs are respectively arranged between the upper screen support and the corresponding upper parallel support and between the lower screen support and the corresponding lower parallel support.

4. A large vertical shaker as claimed in claim 3, wherein: and reinforcing rib plates are arranged at the lower sides of the two upper parallel brackets and are fixedly arranged between the two side walls of the box body and play a role in supporting the upper parallel brackets.

5. A large vertical vibrating screen according to any one of claims 2 to 4, wherein: the upper screen and the lower screen are both multi-stage bar screens distributed in a stepped manner.

6. A large vertical shaker as claimed in claim 5, wherein: the vibration excitation part comprises an eccentric vibration exciter, a flexible coupling and a driving motor, wherein the eccentric vibration exciter is arranged on the box body and is connected with the driving motor through the flexible coupling, so that the driving motor drives the eccentric vibration exciter to rotate through the flexible coupling, and the eccentric vibration exciter performs up-and-down reciprocating vibration excitation on the box body.

7. A large vertical shaker as claimed in claim 6, wherein: the base part comprises a base, a vibration isolation spring seat, a vibration isolation spring and a motor support frame, the base is arranged under the box body, the vibration isolation spring is arranged between the upper end of the base and the lower end of the box body, the upper side and the lower side of the vibration isolation spring are respectively nested with the vibration isolation spring seat correspondingly arranged on the upper end of the base and the lower end of the box body, the motor support frame is arranged on the base, and a driving motor is arranged on the motor support frame.