CN111701849A

CN111701849A - Vibrating screen apparatus

Info

Publication number: CN111701849A
Application number: CN202010486768.XA
Authority: CN
Inventors: 袁靖; 周翔; 汪樱
Original assignee: Suzhou Jono Environment Engineering Co ltd
Current assignee: Suzhou Jono Environment Engineering Co ltd
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2020-09-25

Abstract

The invention discloses vibrating screen equipment, which comprises a screen body, a screen mesh and a vibration exciter device, wherein the vibration exciter device is arranged on the screen body to vibrate the screen body, the screen body comprises a first side plate and a second side plate which is arranged opposite to the first side plate and is arranged at a certain distance, the screen mesh is arranged between the first side plate and the second side plate, and the vibrating screen equipment comprises: the vibration exciter device comprises a first flywheel assembly and a motor for driving the first flywheel assembly, the first flywheel assembly is defined to be located on the inner side between the first side plate and the second side plate, and the first flywheel assembly is located on the inner side. The vibrating screen equipment occupies a small space and is convenient to install.

Description

Vibrating screen apparatus

Technical Field

The invention relates to the field of garbage treatment, in particular to a vibrating screen device.

Background

In the treatment of building, decoration and stale refuse, the vibrating screen has the advantages of large treatment capacity, difficult blockage and high screening efficiency, and is widely adopted. Vibrating screens typically include a vibration exciter assembly that generates an exciting force causing the screen body to reciprocate and material on the screen surface to shake, thereby effecting screening.

However, in the traditional flywheel vibration exciter, two flywheel assemblies are arranged on the outer sides of the side plates, so that the transverse size of the vibrating screen is large, and the occupied space is large. In addition, the flywheel components are arranged on the outer sides of the side plates, and when the screen body is assembled, the requirement on the coaxiality of the two groups of flywheels is high, and multiple times of adjustment are often needed. And the length of the inner connecting shaft is large, the hoisting is needed, and the installation difficulty is high. Meanwhile, the formula F is m omega²r shows that the larger the vibration force required by the screen body is, the larger the mass of the required flywheel is under the condition of unchanged rotating speed, the larger the flywheel block is, and therefore, the larger the occupied space is.

Disclosure of Invention

The invention aims to provide a vibrating screen device which occupies a small space and is convenient to install.

In order to achieve one of the above objects, an embodiment of the present invention provides a vibrating screen apparatus, which includes a screen body, a screen mesh, and an exciter device disposed on the screen body to vibrate the screen body, wherein the screen body includes a first side plate and a second side plate disposed opposite to the first side plate and spaced apart from the first side plate, and the screen mesh is disposed between the first side plate and the second side plate, wherein: the vibration exciter device comprises a first flywheel assembly and a motor for driving the first flywheel assembly, the first flywheel assembly is defined to be located on the inner side between the first side plate and the second side plate, and the first flywheel assembly is located on the inner side.

As a further improvement of an embodiment of the present invention, the exciter device further comprises a second flywheel assembly located inside, the first flywheel assembly being located adjacent to the first side plate, the second flywheel assembly being located adjacent to the second side plate.

As a further improvement of an embodiment of the present invention, the second flywheel assembly and the first flywheel assembly are connected by a universal joint.

As a further improvement of one embodiment of the invention, the second flywheel assembly and the first flywheel assembly have the same structural form.

As a further improvement of an embodiment of the present invention, two sides opposite to the inner side are defined as outer sides, and the vibration exciter device further includes a third flywheel assembly located on the outer side, and the third flywheel assembly is driven by the motor.

As a further refinement of an embodiment of the present invention, the first flywheel assembly is disposed adjacent the first side plate and the third flywheel assembly is disposed adjacent the second side plate.

As a further improvement of an embodiment of the invention, the exciter device further comprises a fourth flywheel assembly located outside, the fourth flywheel assembly being driven by the motor, the fourth flywheel assembly being disposed adjacent to the first side plate.

As a further development of an embodiment of the invention, the motor has a drive shaft fixedly connected with respect to the first flywheel arrangement, the drive shaft having a rotational axis, the first flywheel arrangement comprising a flywheel mass eccentrically arranged with respect to the rotational axis, at least one flywheel blade detachably arranged on the flywheel mass.

As a further improvement of an embodiment of the present invention, the number of flywheel pieces can be selectively adjusted.

Compared with the prior art, the invention has the beneficial effects that: since the first flywheel assembly is located inboard between the first and second side plates. The overall size of the vibrating screen equipment is reduced, so that the vibrating screen equipment occupies a small space and is convenient to install. In addition, the flywheel pieces on the first flywheel assembly are detachably arranged, so that the number of the flywheel pieces can be increased or reduced according to the actual requirements of different exciting forces, and the mass of the flywheel block can be adjusted. Therefore, flywheel blocks with different masses do not need to be replaced again, and the manufacturing cost is greatly reduced.

Drawings

FIG. 1 is a front view of a shaker apparatus in accordance with an embodiment of the present invention;

FIG. 2 is an enlarged view, partially in section, of a shaker apparatus in accordance with an embodiment of the present invention.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the present invention.

In the various illustrations of the present application, certain dimensions of structures or portions may be exaggerated relative to other structures or portions for ease of illustration and, thus, are provided to illustrate only the basic structure of the subject matter of the present application.

Terms such as "upper," "above," "lower," "below," and the like, used herein to denote relative spatial positions, are used for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

As shown in fig. 1 and 2, an embodiment of the present invention provides a vibration screen apparatus including a screen body 10, a screen mesh, and an exciter device 14 provided to the screen body 10 to vibrate the screen body 10, and a support frame 12 supporting the screen body 10. The screen frame 10 inclines a certain angle and sets up, and when the shale shaker equipment carried out the during operation, vibration exciter device 14 was started so that screen frame 10 produced the vibration, treats the screening rubbish and sieves, and less material sees through the screen cloth and falls to screen frame 10 below, then is carried next station. Larger material cannot pass through the screen and falls down the screen to the right of the screen 10 above the screen to be conveyed to other stations again.

One end of the vibrating screen equipment is provided with a feeding hole, and the other end of the vibrating screen equipment is provided with a discharging hole. In order to move the material from the feed inlet to the discharge outlet, the screen is inclined at an angle. Thereby not only ensuring the screening effect of the materials, but also ensuring the conveying of the materials. After the smaller materials smaller than the size of the screen are screened out, the smaller materials are conveyed away through the lower conveying belt or collected in the collecting tank for uniform collection.

In the preferred embodiment, the screen is an elastic screen. The vibration exciter device 14 drives the screen body 10 to do reciprocating motion to form vibration, so that the screen forms downward relaxation motion which relaxes and tensions upwards, after the materials fall on the screen surface, the materials do continuous bouncing motion on the screen surface, and finally the purposes of bouncing, loosing, falling and passing through the screen are achieved, and the screening effect is achieved.

Further, the screen body 10 includes a first side plate 16 and a second side plate 18 disposed opposite to the first side plate 16 and spaced apart from the first side plate, and the screen is disposed between the first side plate 16 and the second side plate 18. The exciter assembly 14 comprises a first flywheel assembly 20 and a motor (not shown) for driving the first flywheel assembly 20, defining an inner side between the first 16 and second 18 side plates, the first flywheel assembly 20 being located on the inner side.

The shaker apparatus also includes an electrical overload protection system connected to the motor, the electrical overload protection system sending an alarm signal and causing the motor to stop when the shaker apparatus is overloaded. When the vibrating screen equipment is overloaded, the current is increased and exceeds a preset critical value of the electric overload protection system, so that an alarm signal is sent out, the motor is stopped, and finally the vibrating screen equipment is protected from being damaged.

In the preferred embodiment, the first flywheel assembly 20 is located inboard between the first and

second side plates

16, 18. The overall size of the vibrating screen equipment is reduced, so that the vibrating screen equipment occupies a small space and is convenient to install.

Further, the exciter assembly 14 further comprises a second flywheel assembly 22 located inboard, the first flywheel assembly 20 being disposed adjacent the first side plate 16, and the second flywheel assembly 22 being disposed adjacent the second side plate 18. So set up first flywheel subassembly 20 and second flywheel subassembly 22 and altogether two flywheel subassemblies, first flywheel subassembly 20 and second flywheel subassembly 22 all are located the inboard simultaneously for when having improved the exciting force of vibration exciter device 14, not increase the volume of shale shaker equipment, make shale shaker equipment occupation space still less.

The second flywheel assembly 22 and the first flywheel assembly 20 are connected by a universal joint 24. Such that the second flywheel assembly 22 and the first flywheel assembly 20 rotate together under the drive of the motor. The huge centrifugal force drives the screen body 10 to reciprocate up and down to form vibration, so that the materials are thrown, dropped and screened on the screen.

Preferably, the second flywheel assembly 22 is identical in construction to the first flywheel assembly 20. So set up for manufacturing cost is simple, and simple to operate. When the second flywheel assembly 22 and the first flywheel assembly 20 are installed, there is no fear that the second flywheel assembly 22 and the first flywheel assembly 20 are installed incorrectly and can be replaced at will.

Defining the two sides opposite to the inner side as the outer side, the exciter device 14 further comprises a third flywheel assembly 26 located at the outer side, the third flywheel assembly 26 being driven by the motor. Specifically, the outer side includes a side of the first side panel 16 facing away from the second side panel 18 and a side of the second side panel 18 facing away from the first side panel 16.

The first flywheel assembly 20 is disposed adjacent the first side plate 16 and the third flywheel assembly 26 is disposed adjacent the second side plate 18. That is, the second flywheel assembly 22 and the third flywheel assembly 26 are disposed on opposite sides of the second side plate 18. Preferably, the second flywheel assembly 22 and the third flywheel assembly 26 are symmetrically disposed on opposite sides of the second side plate 18.

Further, the exciter assembly 14 further comprises a fourth flywheel assembly 28 located on the outer side, the fourth flywheel assembly 28 being driven by the motor, the fourth flywheel assembly 28 being disposed adjacent to the first side plate 16. That is, the fourth flywheel assembly 28 and the first flywheel assembly 20 are disposed on opposite sides of the first side plate 16. Preferably, the fourth flywheel assembly 28 and the first flywheel assembly 20 are symmetrically disposed on opposite sides of the first side plate 16.

In addition, in order to reduce the rotational friction of the flywheel assemblies, a bearing seat 30 and a bearing cover 32 are arranged between the first flywheel assembly 20 and the first side plate 16, and similarly, a bearing seat 30 and a bearing cover 32 are also arranged between the other flywheel assemblies and the corresponding side plates.

The motor is provided with a driving shaft 34 fixedly connected with respect to the first flywheel assembly 20, specifically, the fourth flywheel assembly 28 is connected with the driving shaft 34 of the motor through a coupler, the first flywheel assembly 20 is connected with the fourth flywheel assembly 28, the first flywheel assembly 20 is connected with a first connecting shaft 36, the second flywheel assembly 22 is connected with a second connecting shaft 38, and the first connecting shaft 36 and the second connecting shaft 38 are both fixedly connected with the universal joint 24.

The drive shaft 34 has an axis of rotation 40, and the first flywheel assembly 20 includes a flywheel mass 42 eccentrically disposed with respect to the axis of rotation 40, and at least one flywheel plate 44 removably disposed on the flywheel mass 42. The number of flywheel blades 44 can be selectively adjusted. In the preferred embodiment, the flywheel plates 44 of the first flywheel assembly 20 are detachably arranged, so that the mass of the flywheel mass 42 can be adjusted by increasing or decreasing the number of the flywheel plates 44 according to the requirements of different exciting forces. It is therefore not necessary to replace the flywheel masses 42 of different masses, thus greatly reducing the manufacturing costs. Specifically, 3 flywheel pieces 44 are provided, and the 3 flywheel pieces are overlapped and mounted on the flywheel block. Of course, other numbers of flywheel plates can be arranged according to actual needs. In addition, second flywheel assembly 22, third flywheel assembly 26 and fourth flywheel assembly 28 are identical to first flywheel assembly 20, and are also removably provided with the same or a different number of flywheel plates.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.

The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.

Claims

1. A vibrating screen device, the vibrating screen device includes screen frame, screen cloth and locates the screen frame so that the vibration exciter device of screen frame vibration, the screen frame include first curb plate and with first curb plate set up relatively and the interval certain distance set up the second curb plate, the screen cloth is located between first curb plate and the second curb plate, its characterized in that: the vibration exciter device comprises a first flywheel assembly and a motor for driving the first flywheel assembly, the first flywheel assembly is defined to be located on the inner side between the first side plate and the second side plate, and the first flywheel assembly is located on the inner side.

2. A vibrating screen apparatus as claimed in claim 1, wherein the exciter assembly further comprises a second flywheel assembly located inboard, the first flywheel assembly being disposed adjacent the first side plate and the second flywheel assembly being disposed adjacent the second side plate.

3. The vibratory screen apparatus of claim 2 wherein the second flywheel assembly and the first flywheel assembly are connected by a universal joint.

4. A shaker apparatus as claimed in claim 2, wherein the second flywheel assembly and the first flywheel assembly are of identical construction.

5. A vibrating screen apparatus as claimed in claim 1, wherein the two sides defining the inner side are the outer sides, the exciter arrangement further comprising a third flywheel assembly located on the outer side, the third flywheel assembly being driven by the motor.

6. A vibrating screen apparatus as claimed in claim 5, wherein the second flywheel assembly and the first flywheel assembly are of identical construction.

7. The vibratory screen apparatus of claim 5 wherein the first flywheel assembly is disposed adjacent the first side plate and the third flywheel assembly is disposed adjacent the second side plate.

8. A vibrating screen apparatus as claimed in claim 7, wherein the exciter device further comprises a fourth flywheel assembly located on the outside, the fourth flywheel assembly being driven by the motor, the fourth flywheel assembly being disposed adjacent the first side plate.

9. The vibratory screen apparatus of claim 1 wherein the motor has a drive shaft fixedly connected relative to the first flywheel assembly, the drive shaft having an axis of rotation, the first flywheel assembly including a flywheel mass eccentrically disposed relative to the axis of rotation, at least one flywheel blade removably disposed on the flywheel mass.

10. The vibratory screen apparatus of claim 9, wherein the number of flywheel panels is selectively adjustable.