CN211538499U

CN211538499U - High-efficient circular vibrating screen

Info

Publication number: CN211538499U
Application number: CN201922065015.7U
Authority: CN
Inventors: 王素权
Original assignee: Nantong United Heavy Machinery Co ltd
Current assignee: Nantong United Heavy Machinery Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-09-22
Anticipated expiration: 2029-11-26

Abstract

The utility model discloses a high-efficiency circular vibrating screen which is of a seat type supporting structure and comprises a screen box, wherein the lower end of the screen box is provided with a screen, the screen is tensioned by a tensioning spring, a discharge hole is formed in the front of the screen box, a backing plate is arranged at the upper end of the interior of the discharge hole, a feed inlet is formed in the bottom of the screen box, a vibration reducing motor is arranged on a motor base of the screen box, a balance weight is arranged on one side of the vibration reducing motor, and the screen box is connected with a vibration reducing device through a trunnion; a high-efficient circular vibrating screen, through the exciting force circumferencial direction that shock attenuation moving motor produced, force the sieve case to drive the screen cloth and make the oblong motion of certain direction, when the material is thrown up and is fallen down, the material that is less than the sieve mesh then passes through the sieve and falls to the lower floor to accomplish material screening operation, make screening efficiency high, power consumption is low moreover, adopts totally closed structure simultaneously, makes it satisfy the environmental protection requirement, convenient to use has good use prospect.

Description

High-efficient circular vibrating screen

Technical Field

The utility model belongs to the technical field of the material screening, in particular to high-efficient circular vibrating screen.

Background

Agricultural product screening in ancient China agriculture is a prototype of a modern bucket elevator and a screening machine in the long history of the screening machine, medium and small granular materials need to be screened and classified in industries such as metallurgy, mine, coal, building materials, chemical industry, electric power, traffic, light industry and the like, and screening of the medium and small granular materials is realized by a circular vibrating screen;

the traditional vibrating screen is a bamboo sheet pendulum vibrating screen and a linear vibrating screen, the failure rate of the bamboo sheet pendulum vibrating screen is high, the linear vibrating screen is limited by length and width, the screening is unclear, the screen cloth of the traditional vibrating screen is pressed through the middle, the two sides are tensioned and fixed, because the screen holes are smaller, the irregularity of the shapes of material particles and the particularity that some materials contain moisture, the holes are easy to block during screening, the materials are not easy to clean, the screen cloth is often cleaned, the machine needs to be stopped, the yield and the working efficiency are influenced, meanwhile, the noise is large, the energy consumption is high, the materials are easy to scatter, the environmental protection requirement cannot be met, the inconvenience is brought to the use, and therefore, the high-efficiency circular vibrating screen is provided.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a high-efficiency circular vibrating screen, which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a high-efficient circular vibrating screen, this shale shaker is seat formula bearing structure, including the sieve case, the lower extreme of sieve case is provided with the screen cloth, and the screen cloth is through the tensioning of tight spring that rises, the discharge gate has been seted up to the preceding of sieve case, and the inside upper end of discharge gate installs the backing plate, the feed inlet has been seted up to the bottom of sieve case, and installs on the motor cabinet of sieve case and subtract vibrating motor, the one side that subtracts vibrating motor is provided with the counter weight, and the sieve case passes through the trunnion and links to each other with damping device, damper comprises secondary damping spring, secondary damping seat, damping spring and last spring holder jointly, and secondary damping spring is located the upper end of base, damping spring is installed to the upper end of secondary damping seat, and damping spring's upper end is provided with the spring holder, damping mechanism's one side is installed and is shaken the box.

Preferably, the number of damping spring is two sets of height, and damping spring sets up near feed inlet and discharge gate respectively.

Preferably, the counterweight is moved circularly by a vibration reduction motor.

Preferably, the screen box performs multi-stage screening through screens, and the number of the screens is 1-4.

Preferably, the screen box drives the screen and the material to do a long elliptic motion in a certain direction through the exciting force of the vibrating hitting ball.

Preferably, the exciting force generated by said vibration-damping motor is transmitted to the screen by means of the rapping balls.

Compared with the prior art, the utility model discloses following beneficial effect has: the efficient circular vibrating screen achieves a special damping effect by arranging the secondary damping spring and the damping structure, has low requirement on a foundation and low noise, and thus improves the working environment of workers; secondly, a two-stage or multi-stage screening machine type can be selected, so that the screening efficiency is high, and meanwhile, an advanced and reasonable screen tensioning device is adopted, so that the screen is more convenient to replace and tension; the size is small, the width of the device can reach 2 meters, the process outlet is flexible, the device can be suitable for floor arrangement of various places, the structure is firm, the production rate is high, and the power consumption is low; the environment-friendly requirement is met by adopting a fully-closed structure; the system can also be designed into frequency modulation to randomly adjust the productivity and the screening efficiency; the installation and maintenance are convenient, the operating cost is low, the operation is simple, and the use is convenient.

Drawings

FIG. 1 is a schematic view of the overall structure of a high-efficiency circular vibrating screen of the present invention;

FIG. 2 is a side view of a high efficiency circular vibrating screen of the present invention;

fig. 3 is a schematic view of a rapping box and a rapping ball in the high-efficiency circular vibrating screen of the utility model.

In the figure: 1. a screen box; 2. a discharge port; 3. a base plate; 4. an upper spring seat; 5. a damping spring; 6. a secondary shock absorption seat; 7. a vibration reduction motor; 8. a secondary damping spring; 9. a base; 10. a trunnion; 11. vibrating and hitting the ball; 12. vibrating and beating the box; 13. a tension spring; 14. a feed inlet; 15. balancing weight; 16. and (4) screening.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand 1, the present invention will be further explained below with reference to the following embodiments.

As shown in fig. 1-3, a high-efficiency circular vibrating screen is a seat-type supporting structure, and comprises a screen box 1, wherein a screen 16 is arranged at the lower end of the screen box 1, the screen 16 is tensioned by a tension spring 13, a discharge port 2 is arranged in front of the screen box 1, a backing plate 3 is arranged at the upper end inside the discharge port 2, a feed port 14 is arranged at the bottom of the screen box 1, a vibration-reducing motor 7 is arranged on a motor base of the screen box 1, a counterweight 15 is arranged on one side of the vibration-reducing motor 7, the screen box 1 is connected with a damping device through a trunnion 10, the damping mechanism is composed of a secondary damping spring 8, a secondary damping seat 6, a damping spring 5 and an upper spring seat 4, the secondary damping spring 8 is arranged at the upper end of a base 9, the damping spring 5 is arranged at the upper end of the secondary damping seat 6, and the upper spring seat 4 is arranged at, one side of the damping mechanism is provided with a rapping box 12, and a rapping ball 11 is arranged inside the rapping box 12.

The number of the damping springs 5 is two, and the damping springs 5 are respectively arranged near the feed port 14 and the discharge port 2; the counterweight 15 performs circular motion through the vibration reduction motor 7; the screen box 1 is used for multi-stage screening through a screen 16, and the number of layers of the screen 16 is 1-4; the screen box 1 drives the screen 16 and the material to do a long elliptic motion in a certain direction through the exciting force of the vibrating ball 11; the exciting force generated by the vibration reducing motor 7 is transmitted to the screen 16 through the vibration beating balls 11.

It should be noted that the utility model relates to a high-efficiency circular vibrating screen, which is composed of a base 9, a vibration damper, a vibration damping motor 7, a screen box 1, a screen 16, a tension spring 13, a feed inlet 14 and a discharge port 2, wherein a secondary vibration damping seat 6 is adopted, a secondary vibration damping seat 6 is arranged above a secondary vibration damping spring 8, a vibration damping spring 5 is arranged at the upper end of the secondary vibration damping seat 6, an upper spring seat 4 is arranged above the secondary vibration damping seat, the noise is reduced by multi-level vibration damping, thereby being beneficial to improving the working environment, the amplitude is stable, the operation is reliable, the transportation and the cleaning are easy, when the circular vibrating screen works, the vibration damping motor 7 is started, the particle diameter of the fed material can be in the range of 0.1-50mm, the material falls on the surface of the screen 16 through the feed inlet 14, the internal width is 0.5-2m, the number of layers of the screen 16 can be in the range of 1-4 layers, the excitation force generated by the vibration damping, because the vibration reducing motor 7 generates the exciting force in the circumferential direction, the screen box 1 is forced to drive the screen 16 to make a long elliptic motion in a certain direction, under a certain condition, medium and small granular materials on the surface of the screen 16 are thrown forwards under the action of the exciting force, the materials smaller than screen holes fall through the screen and fall to the lower layer, when the vibrating acceleration reaches a certain value, the materials are continuously and slightly thrown or slide in the bearing body along the motion direction, and the material screening operation is completed due to the repeated material motion; the series of vibrating screens are widely applicable to industries such as metallurgy, mine, coal, building materials, chemical engineering, light industry and the like, and can effectively classify medium and small granular materials; simultaneously because simple structure, it is small, productivity ratio is big and screening efficiency is high, power consumption is low, adopts novel advanced reasonable 16 overspeed device tensioner of screen cloth simultaneously, has solved traditional 16 changes of screen cloth, the difficult problem that rises to rise, uses convenient operation, comparatively practical.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a high-efficient circular vibrating screen, this shale shaker is seat formula bearing structure, its characterized in that: comprises a screen box (1), a screen (16) is arranged at the lower end of the screen box (1), the screen (16) is tensioned through a tension spring (13), a discharge port (2) is arranged in front of the screen box (1), a backing plate (3) is arranged at the upper end inside the discharge port (2), a feed inlet (14) is arranged at the bottom of the screen box (1), a vibration reduction motor (7) is arranged on a motor base of the screen box (1), a balance weight (15) is arranged on one side of the vibration reduction motor (7), the screen box (1) is connected with a damping device through a trunnion (10), a damping mechanism is jointly composed of a secondary damping spring (8), a secondary damping seat (6), a damping spring (5) and an upper spring seat (4), the secondary damping spring (8) is positioned at the upper end of a base (9), the damping spring (5) is arranged at the upper end of the secondary damping seat (6), and the upper end of the damping spring (5) is provided with an upper spring seat (4), one side of the damping mechanism is provided with a rapping box (12), and the inside of the rapping box (12) is provided with a rapping ball (11).

2. A high efficiency circular shaker as claimed in claim 1, wherein: the quantity of damping spring (5) is two sets of for height, and damping spring (5) set up respectively near feed inlet (14) and discharge gate (2).

3. A high efficiency circular shaker as claimed in claim 1, wherein: the counterweight (15) performs circular motion through the vibration reduction motor (7).

4. A high efficiency circular shaker as claimed in claim 1, wherein: the screen box (1) is used for multi-stage screening through the screen (16), and the number of layers of the screen (16) is 1-4.

5. A high efficiency circular shaker as claimed in claim 1, wherein: the screen box (1) drives the screen (16) and the materials to do a long elliptic motion in a certain direction through the exciting force of the vibration beating balls (11).

6. A high efficiency circular shaker as claimed in claim 1, wherein: the exciting force generated by the vibration reducing motor (7) is transmitted to the screen (16) through the vibration beating balls (11).