CN213321128U

CN213321128U - Bouncing sorting screen

Info

Publication number: CN213321128U
Application number: CN202021834640.XU
Authority: CN
Inventors: 丁延莉
Original assignee: Yantai Dawei Environmental Protection Technology Co ltd
Current assignee: Yantai Dawei Environmental Protection Technology Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-06-01
Anticipated expiration: 2030-08-27

Abstract

The utility model discloses a bounce sorting screen, which comprises a frame, a screen body, a hood and a fan; the screen body is obliquely arranged and mounted on the rack and is used for performing vibration screening separation on the waste residue raw material; the hood is arranged on the frame and covers the sieve body; the fan is arranged at one end of the hood and used for blowing light materials in the waste residue raw materials to the higher end of the screen body. The utility model discloses can separate the weight in the waste residue raw materials and the composition in small, broken bits from the source, fundamentally has solved follow-up shredder blade fragile, the fast problem of blade wearing and tearing.

Description

Bouncing sorting screen

Technical Field

The utility model relates to a sorting facilities technical field, concretely relates to spring sorting screen.

Background

The solid waste washing line for papermaking generally uses a double-shaft shredder to shred materials, then enters a paper-plastic separator to separate paper pulp, then enters a rinsing tank to rinse the materials, separates light plastic skins from heavy impurities according to different specific gravities, and recycles the light plastic skins after dehydration.

The general flow of the material washing line of the present papermaking solid waste is as follows: the waste residue raw material is conveyed to a double-shaft shredder by a belt conveyor for shredding, meanwhile, a magnetic separator is released and installed on the belt conveyor for removing iron materials in the raw material, the shredded materials enter a paper-plastic separator by the belt conveyor, and then the paper-plastic separator is rinsed by a rinsing separator and dewatered by a drying machine to finish the cleaning process.

Above-mentioned washing line effect is unsatisfactory in the actual motion, and at first the magnet separator can only absorb the little iron material of volume, can only absorb the thing on material top layer moreover, and the inside iron material of material absorbs and can not come out, and the iron material that the volume is bigger slightly absorbs at all motionless, thereby gets into the shredder and causes the shredder blade to extremely easily damage, and fine sand in the material, earth also get into the shredder in the lump, cause the too fast wearing and tearing of its blade.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a spring sorting screen to from the source separate the weight in the waste residue raw materials and the composition in small, broken bits, fundamentally solves follow-up shredder blade fragile, the fast problem of blade wearing and tearing.

The utility model provides a bounce sorting screen, which comprises a frame, a screen body, a hood and a fan; the screen body is obliquely arranged and mounted on the rack and is used for performing vibration screening separation on the waste residue raw material; the hood is arranged on the frame and covers the sieve body; the fan is arranged at one end of the hood and used for blowing light materials in the waste residue raw materials to the higher end of the screen body.

Further, still include the base, be equipped with first connecting portion and second connecting portion around the bottom of frame relatively, first connecting portion articulate in the base, the second connecting portion are fixed in through height-adjusting spare on the base.

Further, the height adjusting part comprises a support and a lock pin, the lower end of the support is fixed on the base, a plurality of gradient adjusting holes are formed in the support, fixing holes are formed in the second connecting part, and the lock pin penetrates through the positioning hole and the gradient adjusting holes with corresponding heights to position the second connecting part.

Further, the screen frame includes that to be fixed in through the spring support the reel in the frame, be fixed in sieve and be used for driving the sieve mechanism that shakes of reel vibration in the reel.

Furthermore, a plurality of support frames are arranged on two sides of the screen frame, and a spring is arranged between each support frame and the rack.

Further, the vibrating screen mechanism comprises at least one group of vibrating screen unit, and the vibrating screen unit comprises two bearing seats respectively fixed on two sides of the screen frame, an eccentric shaft rotatably mounted between the two bearing seats, and a speed reduction motor for driving the eccentric shaft to rotate.

Furthermore, the vibrating screen units are provided with two groups, and the speed reduction motors of the two groups of vibrating screen units are synchronous.

Furthermore, the gear motor is fixedly installed on one side of the rack, and an output shaft of the gear motor is connected with one end of the eccentric shaft through a universal coupling.

Furthermore, the hood is formed by welding steel plates and profiles, and a feed inlet is annularly formed in the upper portion of the hood.

Further, the fan is an axial flow fan.

The beneficial effects of the utility model are embodied in: waste residue raw materials get into the spring sorting sieve through band conveyer, do the circular vibration along with the screen frame, similar dustpan principle, because the screen frame slope sets up, heavy material in the material moves toward the lower one end of screen frame, light material moves toward the higher one end of screen frame, fine crushing material falls through the sieve mesh, for avoiding smuggleing light material secretly in the heavy material, install the fan in the one end of aircraft bonnet, lean on wind-force to blow the light material that smugglies secretly to the higher one end of screen frame, thereby realize the three-phase separation of light material and fine crushing material, select separately through above-mentioned spring sorting sieve, separate out heavy material, heavy material such as iron plate, stone in having avoided the material gets into the shredder and destroys the blade, fine crushing material through the sieve mesh also does not get into the shredder, fine crushing material such as fine sand in the material has also been avoided the wearing and tearing of the shredder blade. Therefore, the application can separate the light and heavy components and the fine crushing components in the waste residue raw material from the source, and fundamentally solves the problems that the follow-up shredder blade is easy to damage and the blade is fast in abrasion.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a schematic structural view of a screen body according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view A-A of FIG. 3;

fig. 5 is a schematic structural diagram of an eccentric shaft according to an embodiment of the present invention;

fig. 6 is a sectional view B-B of fig. 5.

In the drawing, 10-frame; 11-a first connection; 12-a second connection; 20-a sieve body; 21-a screen frame; 22-sieve plate; 23-a vibrating screen mechanism; 231-a bearing seat; 232-eccentric shaft; 233-a reduction motor; 234-universal coupling; 24-a spring; 25-a support frame; 30-a hood; 40-a fan; 50-a base; 51-a scaffold; 52-gradient adjustment hole.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

As shown in fig. 1-6, an embodiment of the present invention provides a bouncing sorting screen, which includes a frame 10, a screen body 20, a hood 30 and a fan 40.

The frame 10 is formed by welding sectional materials, and the screen body 20 is obliquely arranged and installed on the frame 10 and used for carrying out vibration screening separation on waste residue raw materials. The hood 30 is formed by welding steel plates and section bars, the upper part of the hood 30 is provided with a feeding hole, and the hood 30 is arranged on the frame 10 and covers the screen body 20. The blower 40 is disposed at one end of the hood 30 for blowing the light materials in the waste residue raw material toward the higher end of the screen body 20, and the blower 40 is preferably an axial flow blower 40.

Waste residue raw materials get into spring sorting sieve through band conveyer, do circular vibration along with screen frame 20, similar dustpan principle, because screen frame 20 slope sets up, heavy material in the material moves toward the lower one end of screen frame 20, light material moves toward the higher one end of screen frame 20, fine crushing material falls through the sieve mesh, for avoiding smuggleing light material secretly in the heavy material, in the one end installation fan 40 of aircraft bonnet 30, lean on wind-force to blow smuggleing light material secretly to the higher one end of screen frame 20, thereby realize the three-phase separation of light material and fine crushing material, select separately through above-mentioned spring sorting sieve, separate out heavy material, heavy material such as iron plate, stone in having avoided the material gets into shredder and destroys the blade, fine crushing material through the sieve mesh also does not get into shredder, fine crushing material such as fine sand earth in the material has also been avoided the wearing and tearing of shredder blade. Therefore, the application can separate the light and heavy components and the fine crushing components in the waste residue raw material from the source, and fundamentally solves the problems that the follow-up shredder blade is easy to damage and the blade is fast in abrasion.

As a preferred embodiment, the screen frame further comprises a base 50, a first connecting portion 11 and a second connecting portion 12 are oppositely arranged at the front and back of the bottom of the frame 10, the first connecting portion 11 is hinged to the base 50, and the second connecting portion 12 is fixed on the base 50 through a height adjusting member, so that the included angle between the frame 10 and the base 50 can be adjusted through the height adjusting member, and the inclination angle of the screen body 20 can be adjusted.

A concrete altitude mixture control spare structure is shown in figure 1, altitude mixture control spare includes support 51 and lockpin (not shown in the figure), the lower extreme of support 51 is fixed on base 50, a plurality of slope regulation holes 52 have been seted up on support 51, set up fixed orifices (not shown in the figure) on second connecting portion 12, the lockpin passes locating hole and the slope regulation hole 52 of corresponding height, fix a position second connecting portion 12, second connecting portion 12 passes through the lockpin and fixes a position slope regulation hole 52 of different heights on support 51, can realize the adjustment at screen frame 20 inclination, its simple structure and firm, the adjustment is convenient.

A specific structure of the screen body 20 is shown in fig. 1, 3 and 4, the screen body 20 includes a screen frame 21 supported and fixed on the frame 10 by a spring 24, a screen plate 22 fixed in the screen frame 21, and a vibrating mechanism 23 for driving the screen frame 21 to vibrate, as a specific mounting structure of the screen body 20, a plurality of support frames 25 are provided at both sides of the screen frame 21, and a spring 24 is installed between each support frame 25 and the frame 10.

The vibrating sieve mechanism 23 of this embodiment specifically includes at least one set of vibrating sieve unit, "at least one set of vibrating sieve unit" means, the vibrating sieve unit can set up a set, two sets of even multiunit, every group vibrates the sieve unit and includes two bearing frames 231 that are fixed in reel 21 both sides respectively, rotate the eccentric shaft 232 of installing between two bearing frames 231 and be used for driving eccentric shaft 232 pivoted gear motor 233, drive eccentric shaft 232 through gear motor 233 and rotate, can drive screen frame 20 and do the circular vibration, during the screening, the waste residue raw materials is circular motion on sieve 22, it is strong to the throughput of waste residue raw materials, screening efficiency is high, it is reasonable to have technical parameter, structural strength, rigidity is high, the operation is reliable, the noise is little, easy maintenance etc.

Preferably, the vibrating screen units are provided in two sets, and the speed reduction motors 233 of the two vibrating screen units are synchronized to ensure that the eccentric forces generated when the two eccentric shafts 232 rotate are synchronized.

Preferably, the reduction motor 233 is fixedly installed at one side of the frame 10, and an output shaft of the reduction motor 233 is connected to one end of the eccentric shaft 232 through the universal coupling 234, so that reliable transmission between the reduction motor 233 and the eccentric shaft 232 is ensured in the vibrating process of the screen body 20.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. A bounce separating screen is characterized in that:

comprises a frame, a screen body, a hood and a fan;

the screen body is obliquely arranged and mounted on the rack and is used for performing vibration screening separation on the waste residue raw material;

the hood is arranged on the frame and covers the sieve body;

the fan is arranged at one end of the hood and used for blowing light materials in the waste residue raw materials to the higher end of the screen body.

2. The bouncing sorting screen of claim 1, wherein: still include the base, be equipped with first connecting portion and second connecting portion around the bottom of frame relatively, first connecting portion articulate in the base, the second connecting portion are fixed in through height-adjusting spare on the base.

3. The bouncing sorting screen of claim 2, wherein: the height adjusting piece comprises a support and a lock pin, the lower end of the support is fixed on the base, a plurality of gradient adjusting holes are formed in the support, fixing holes are formed in the second connecting portion, and the lock pin penetrates through the positioning hole and the gradient adjusting holes with the corresponding heights to position the second connecting portion.

4. The bouncing separation screen of any one of claims 1-3, wherein: the screen frame includes that to be fixed in through spring support the reel in the frame, be fixed in sieve in the reel and be used for the drive the sieve mechanism that shakes of reel vibration.

5. The bouncing sorting screen of claim 4, wherein: a plurality of support frames are arranged on two sides of the screen frame, and a spring is installed between each support frame and the rack.

6. The bouncing sorting screen of claim 4, wherein: the vibrating screen mechanism comprises at least one group of vibrating screen unit, and the vibrating screen unit comprises two bearing seats respectively fixed on two sides of the screen frame, an eccentric shaft rotatably mounted between the two bearing seats and a speed reduction motor for driving the eccentric shaft to rotate.

7. The bouncing sorting screen of claim 6, wherein: the vibrating screen unit is provided with two groups, and the speed reduction motors of the two groups of vibrating screen units are synchronous.

8. The bouncing sorting screen of claim 6, wherein: the speed reducing motor is fixedly arranged on one side of the rack, and an output shaft of the speed reducing motor is connected with one end of the eccentric shaft through a universal coupling.

9. The bouncing sorting screen of claim 1, wherein: the aircraft bonnet is formed by steel sheet and section bar welding, and the aircraft bonnet upper portion ring is equipped with the feed inlet.

10. The bouncing sorting screen of claim 1, wherein: the fan is an axial flow fan.