CN213316155U

CN213316155U - Complex frequency screen

Info

Publication number: CN213316155U
Application number: CN202120901630.1U
Authority: CN
Inventors: 李振
Original assignee: Henan Winner Vibrating Equipment Co Ltd
Current assignee: Henan Winner Vibrating Equipment Co Ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-06-01
Anticipated expiration: 2031-04-29

Abstract

The utility model discloses a compound frequency sieve, including first inlet pipe, second inlet pipe, sieve core, spring, collet support, discharging pipe, motor, first sieve, second sieve, vibration exciter, sieve case and dam device, install the sieve case on the collet support, the top of sieve case is provided with first inlet pipe and second inlet pipe respectively, and the symmetry is provided with two springs on the collet supports, and the top of two springs all is provided with the sieve core that is located sieve incasement portion, the bottom of sieve case is run through the collet and is supported and be provided with the discharging pipe, install the motor on the collet supports, the output shaft of motor passes through the vibration exciter and is connected with the sieve core of sieve incasement. The utility model discloses a dam device can play and slow down material speed, increases the purpose of screening efficiency, and the material after the screening flows from the discharging pipe, and the material flows to a discharge gate from two feed inlets, and the orbit that flows forms the V-arrangement, and the noise that produces when the use of sealing washer can absorb the sieve core vibration, makes the noise transmission not go out.

Description

Complex frequency screen

Technical Field

The utility model relates to a multiple frequency sieve technical field especially relates to a multiple frequency sieve.

Background

The complex frequency sieve is widely used for a desulfurization system of thermal power generation, a screening system of a coal washing plant, a solvent screening system of a steel enterprise (sintering, under a blast furnace groove, coking, a raw material plant and the like in the metallurgical industry) and a sandstone aggregate system in the building industry and the like, has the characteristics of advanced screening concept, unique sieve plate structure, strong environmental protection, higher energy conservation, higher screening efficiency, large treatment capacity, easy maintenance and the like, has more advantages for screening small materials smaller than 5mm, can be extended to other industries, and is mainly used for screening dry materials. The sieve plate mainly comprises bars, comb teeth, round steel welding, steel plate punching, a polyurethane sieve plate and the like.

The screening equipment in the metallurgical industry is developing towards energy-saving, environment-friendly, noise-reducing and efficient screening, and the equipment disclosed by the invention adopts a double-motor driven bidirectional sieve plate to vibrate so as to meet the energy-saving requirement; adopt the reel not to vibrate, the sieve core vibration can realize static seal, reaches the environmental protection requirement, and the reel inboard is equipped with noise insulation moreover to this requirement of making an uproar falls in reaching the environmental protection, sieves in the current multifrequency sieve small in area, and the noise is big, and is not environmental protection.

SUMMERY OF THE UTILITY MODEL

For the problem that exists among the overcoming correlation technique, the embodiment of the utility model provides a compound sieve frequently has solved the problem that screening area is little and not environmental protection.

The embodiment of the utility model provides a complex frequency screen, including first inlet pipe, second inlet pipe, screen core, spring, collet support, discharging pipe, motor, first sieve, second sieve, vibration exciter, screen box and dam device, install the screen box on the collet support, the top of screen box is provided with first inlet pipe and second inlet pipe respectively, and the collet support is last to be provided with two springs symmetrically, and the top of two springs is all provided with the screen core that is located the screen box inside, the bottom of screen box runs through the collet support and is provided with the discharging pipe, install the motor on the collet support, the output shaft of motor passes through the vibration exciter and is connected with the screen core in the screen box, the inside of screen core is installed first sieve and second sieve respectively, and first sieve and second sieve slope symmetry sets up, the dam device is installed to the screen core that is located the top of first sieve and second sieve, the stop device comprises angle steel, rubber, a pressing plate and a fastener, the angle steel is arranged on the inner side of the sieve core, the side face of the angle steel is connected with the rubber, the pressing plate is arranged on the other side of the rubber, the fastener sequentially penetrates through the angle steel, the rubber and the pressing plate to be connected, and the rubber is located right above the second sieve plate.

Furthermore, the first feeding pipe and the second feeding pipe are arranged at two ends of the screen box, and the calibers of the first feeding pipe and the second feeding pipe are the same.

Furthermore, sound insulation materials are filled between the interlayers of the sieve box.

Further, be provided with the sealing washer that is used for sealed core and sieve case clearance on the sieve case.

The embodiment of the utility model provides a technical scheme has following beneficial effect: can play the material speed that slows down through dam device, increase the purpose of screening efficiency, the material after the screening flows from the discharging pipe, and the material flows to a discharge gate from two feed inlets, and the orbit that flows forms the V-arrangement, and the noise that produces when the use of sealing washer can absorb the vibration of sieve core, makes the noise transmission not go out, more environmental protection.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is a schematic structural diagram of a complex frequency sieve in the embodiment of the present invention.

Fig. 2 is a schematic view of a vibration exciter of the complex frequency screen in the embodiment of the present invention.

Fig. 3 is a schematic view of a screen core structure of a complex frequency screen in the embodiment of the present invention.

Fig. 4 is the structure schematic diagram of the material blocking device of the multiple frequency screen in the embodiment of the present invention.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus, and associated applications, methods, consistent with certain aspects of the invention, as detailed in the following claims.

FIG. 1 is a schematic structural diagram of a frequency recovery sieve in an embodiment of the present invention, FIG. 2 is a schematic structural diagram of a vibration exciter of the frequency recovery sieve in an embodiment of the present invention, FIG. 3 is a schematic structural diagram of a core of the frequency recovery sieve in an embodiment of the present invention, FIG. 4 is a schematic structural diagram of a material stopping device of the frequency recovery sieve in an embodiment of the present invention, as shown in FIG. 1, FIG. 2, FIG. 3 and FIG. 4, the frequency recovery sieve comprises a first feeding tube 1, a second feeding tube 2, a core 3, a spring 4, a base support 5, a discharging tube 6, a motor 8, a first sieve plate 9, a second sieve plate 10, a vibration exciter 11, a sieve box 12 and a material stopping device 13, a sieve box is mounted on the base support, the top of the sieve box is provided with the first feeding tube and the second feeding tube respectively, the first feeding tube and the second feeding tube are disposed at two ends of the sieve box, the first feeding tube and, the top of two springs all is provided with the sieve core that is located the sieve incasement portion, is provided with the sealing washer 7 that is used for sealed sieve core and sieve case clearance on the sieve case, and first sieve, second sieve, vibration exciter and dam device constitute the vibrating part, and the sealing washer is the sealing between vibrating part and the non-vibrating part, and two sieves all adopt the design of two-sided sieve, and the bottom of sieve case is run through the collet and is supported and be provided with the discharging pipe.

The motor is installed on the bottom support, the output shaft of the motor is connected with the screen core in the screen box through the vibration exciter, the first screen plate and the second screen plate are installed in the screen core respectively, the first screen plate and the second screen plate are arranged in an inclined symmetrical mode, the first screen plate and the second screen plate are respectively provided with the motor correspondingly, the material blocking device is installed above the first screen plate and the second screen plate on the screen core and can play a role in slowing down the material speed and increasing the screening efficiency, sound insulation materials are filled between interlayers of the screen box, the vibration parts are arranged in the inner portions and can be statically sealed, the sound insulation materials are installed to reduce noise, the material blocking device comprises angle steel 14, rubber skins 15, a pressing plate 16 and a fastening piece 17, the angle steel is arranged on the inner side of the screen core, the rubber skins are connected to the side faces of the angle steel, the pressing plate is arranged on the other side of the rubber, the material can touch the rubber skin at the in-process that flows on the second sieve, and the rubber skin hinders the flow of material, reduces the speed of material, makes the material stop in sifting surface time extension to increase screening efficiency.

This theory of operation of multifrequency sieve, the material can enter into the sieve core from first inlet pipe or second inlet pipe, the material falls on two-sided first sieve and second sieve, two motor antiport, drive the axle in the vibration exciter, the eccentric block rotates, produce exciting force, reach the sieve core, on the sieve, make the sieve be the rectilinear motion that makes progress like this, throw the material upwards, the material reaches the screening purpose at the in-process that throws and fall, dam device can play and slow down material speed, increase the purpose of screening efficiency, material after the screening flows from the discharge gate, the material flows to a discharging pipe from two inlet pipes, the flow trajectory forms the V shape.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains.

It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims

1. A complex frequency screen is characterized by comprising a first feeding pipe, a second feeding pipe, a screen core, springs, a bottom support, a discharging pipe, a motor, a first screen plate, a second screen plate, a vibration exciter, a screen box and a material blocking device, wherein the screen box is installed on the bottom support, the top of the screen box is respectively provided with the first feeding pipe and the second feeding pipe, the bottom support is symmetrically provided with the two springs, the top of each spring is provided with the screen core positioned in the screen box, the bottom of the screen box penetrates through the bottom support and is provided with the discharging pipe, the bottom support is provided with the motor, an output shaft of the motor is connected with the screen core in the screen box through the vibration exciter, the screen core is internally provided with the first screen plate and the second screen plate respectively, the first screen plate and the second screen plate are arranged in an inclined symmetrical manner, the material blocking device is installed above the first screen plate and the second screen plate on the screen core, the stop device comprises angle steel, rubber, a pressing plate and a fastener, the angle steel is arranged on the inner side of the sieve core, the side face of the angle steel is connected with the rubber, the pressing plate is arranged on the other side of the rubber, the fastener sequentially penetrates through the angle steel, the rubber and the pressing plate to be connected, and the rubber is located right above the second sieve plate.

2. The multifrequency screen of claim 1 wherein the first feed tube and the second feed tube are positioned at opposite ends of the screen box, and wherein the first feed tube and the second feed tube have the same diameter.

3. The multifrequency screen of claim 1 wherein the interlayers of the screen boxes are filled with a sound insulating material.

4. The multifrequency screen of claim 1, wherein a seal ring for sealing a gap between the screen core and the screen box is disposed on the screen box.