CN205165158U - Steady dynamic separation sieve of vibration sifting - Google Patents

Abstract

The utility model discloses a steady dynamic separation sieve of vibration sifting, include the frame, set up the sieve section of thick bamboo in the frame and set up the motor in the frame, be provided with the screen cloth through the tensioning of screen cloth hold -down mechanism on the sieve section of thick bamboo inner wall, sieve a section of thick bamboo and include that the sieve section of thick bamboo main shaft of connecting in the frame through support bearing is sieving the main epaxial sieve section of thick bamboo shell of a section of thick bamboo with setting up, is provided with and makes the vibration of a sieve section of thick bamboo and irrotational vibration bearing structure between a sieve support bearing and the frame. The utility model discloses a vibration bearing structure makes a sieve section of thick bamboo keep the vibration and irrotational operating condition adopts a powerful spring stationary screen section of thick bamboo, realizes the vibration of a sieve section of thick bamboo and irrotational operating condition, flour vibration isolation sieves the during operation, though there is oscillating movement, itself does not wholly vibrate equipment, does not influence near the normal operating of other equipment of, has designed equitable spring and has carried out buffering and shock attenuation to its vibration impulsive force, has avoided the destruction to the ground, and equipment operation process is steady, and it is very little to vibrate the noise simultaneously.

Description

Stable Dynamic Separation sieve managed by a kind of vibratory sieve

Technical field

The utility model relates to a kind of screening machine, is specifically related to a kind of vibratory sieve and manages stable Dynamic Separation sieve.

Background technology

In grain processing industry, sieve is the visual plant of cleaning, classification, screening in whole work flow, and the output of sieve, efficiency, life-span affect the processing generation that grain is follow-up is direct.In grain processing, pulverizing and screening are two main work links.Pulverizing by disintegrating machine or flour mill, grain (as corn, wheat etc.) is crushed to a certain degree, then carry out classification by screening plant to the material after fragmentation, screenings is final flour, oversize is sent to disintegrating apparatus and continues broken, and so forth, realizes working continuously.In the process, the height of classifying equipoment screening efficiency directly affects the efficiency of producing flour.The sifting efficiency improving classifying equipoment is one of key technology improving Flour production efficiency.

The main manifestations of screening efficiency is exactly through screen equipment in material flow, namely in material and compass screen surface time of contact and space segment, the particle that material particles appearance and size is less than mesh size can pass through screen movement under compass screen surface, form screenings, i.e. final flour, and flour particle is often thinner in actual production, after producing a period of time, tiny flour will adhere on mesh wire, sieve aperture reduces, until part screen cloth is blocked by tiny flour, screen effect significantly declines, serious restriction production efficiency, ton powder energy consumption increases greatly, totally unfavorable to production, the way solving problems in reality extends screen line length exactly, increase screen equipment number of units, client will increase infrastructure investment, ton powder energy consumption increases relatively.Use in grain processing field at present screen equipment get powder be the most also be the most substantially, history at most put forward powder method.Carry powder equipment and have square plansifter, powder extractor, wheat-bran brushing machine, bran finisher, horizontal rotary strainer etc., be all adopt screen cloth the stock grading in process, extract final flour.Screening efficiency is one of most critical technical indicator, and conventional equipment can not vibrate due to screen cloth, often occurs screen cloth plug-hole phenomenon, extreme influence screening efficiency.In order to solve screening plant screen cloth plug-hole problem, in industry, numerous producer devises the bolter of screen cloth vibration, it is generally complete machine oscillation, namely lower margin installs yielding rubber spring structure, complete machine oscillation not only noise is large, and affect the normal operation of other equipment neighbouring most probably, and destructive large to ground foundation structure; Another kind is vibrated by driven by vibrating motors screen cloth, and simple screen cloth vibration, screening efficiency is low, and easily sieve pore blockade occurs.These two kinds of mode of vibrations have respective drawback, equal DeGrain and manufacturing cost high.

Utility model content

The purpose of this utility model is the defect overcoming prior art, provides a kind of Dynamic Separation rational in infrastructure, that equipment good operating stability, equipment are little to ground vibration of foundation impact, screening efficiency is high to sieve.

To achieve these goals, the technical scheme taked of the utility model is as follows:

A stable Dynamic Separation sieve managed by vibratory sieve, comprises frame, is arranged on the screen drum in frame and is arranged in frame as screen drum provides the motor of power;

Described inboard wall of riddle drum is provided with the screen cloth of screen tight compression mechanism tensioning;

Described screen drum comprises the screen drum shell being connected to the screen drum main shaft in frame by screen drum spring bearing and being arranged on screen drum main shaft;

Being provided with between described screen drum spring bearing and frame makes screen drum vibrate and non-rotary vibration supporting construction.

Further improve as the utility model, described vibration supporting construction comprise be arranged on screen drum spring bearing and the screen drum supporting bearing base between frame, the screen drum of the twisted plate spring of vibration that the counteracting bias that is connected screen drum supporting bearing base and frame produces and the support screen drum main shaft that connects screen drum supporting bearing base and screen drum spring bearing supports;

One end of described twisted plate spring is fixedly connected in frame, and its other end is connected to below screen drum supporting bearing base by the rubber spring playing cushioning effect;

Described screen drum supports the steel wire limit spring being provided with damping and spacing screen drum.

Further improve as the utility model, described screen drum main shaft is provided with the hairbrush of the cleaning fine powder being positioned at screen drum shell and re-packing of the broken bulk materials of impact.

Further improve as the utility model, described in the free end that re-packs be provided with multiple support that re-packs be fixed on screen drum main shaft that re-packs.

Further improve as the utility model, between the driving wheel of described motor and the drive being fixed on screen drum main shaft one end, be connected with conveyer belt.

Further improve as the utility model, described screen drum shell is respectively arranged with the charging aperture, the discharging opening of material powder discharging and the bran discharging opening of the larger material discharging of particle that feed intake.

Further improve as the utility model, described charging aperture, discharging opening are all connected with screen drum by flexible connection structure with bran discharging opening.

Further improve as the utility model, described frame is also provided with driving wheel, drive and conveyer belt are closed the guard shield surrounded.

Further improve as the utility model, the other end of described screen drum main shaft is provided with the weighting distribution wheel that stable screen drum main shaft rotates; Described weighting distribution wheel is provided with balancing weight.

Compared with prior art, the beneficial effect acquired by the utility model is as follows:

Vibration supporting construction of the present utility model makes screen drum keep vibrating and non-rotary duty, brute spring is adopted to fix screen drum, realize screen drum to vibrate and non-rotary duty, during described flour shaker separator work, though there is oscillating movement, but equipment not body vibration itself, the normal operation of other equipment near can not affecting, devise rational spring and buffering and damping have been carried out to its vibration impulse force, improve the service life of equipment, avoid the destruction to ground, equipment running process is steady, vibrating noise is very little simultaneously, protection workman ear-drum is healthy.Use the utility model to improve screening efficiency, decrease noise pollution, equipment not easily damages, and reduces cost, improves economic benefit.

Accompanying drawing explanation

Accompanying drawing 1 is structural representation of the present utility model;

Accompanying drawing 2 is the utility model sectional structure schematic diagram;

Accompanying drawing 3 is the structural representation of the utility model screen drum spring bearing and screen drum connection bearing;

Accompanying drawing 4 is the structural representation of the utility model vibration supporting construction;

Accompanying drawing 5 is the structural representation of the utility model screen tight compression mechanism;

Accompanying drawing 6 is the structural representation of the utility model weighting distribution wheel.

In the accompanying drawings:

1 frame, 2 screen drums, 3 motors, 4 screen drum main shafts, 5 screen drum shells, 6 driving wheels, 7 drives, 8 conveyer belts, 9 hairbrush, 10 re-pack, 11 to re-pack support, 12 screen drum swivel bearings, 13 screen drum spring bearings, 14 screen tight compression mechanism, 15 screen clothes, 16 screen drum supporting bearing base, 17 twisted plate springs, 18 screen drum supports, 19 steel wire limit spring, 20 charging apertures, 21 discharging openings, 22 bran discharging openings, 23 guard shields, 24 weighting distribution wheels, 25 balancing weights, 26 rubber springs.

Detailed description of the invention

Below in conjunction with accompanying drawing, detailed further describing is carried out to the utility model.

As shown in figures 1-6, stable Dynamic Separation sieve managed by a kind of vibratory sieve, comprise frame 1, be arranged on the screen drum 2 in frame 1 and be arranged in frame 1 as screen drum 2 provides the motor 3 of power, described screen drum 2 inwall is provided with the screen cloth 15 of screen tight compression mechanism 14 tensioning, screen cloth 15 selects suitable sieve diameter according to the diameter of screening materials carrying, institute's screen tight compression mechanism 14 two ends are the annular element propped up by screen cloth 15, then pass through bolt screw rod by fastening for screen cloth 15.Described screen drum 2 comprises the screen drum shell 5 being connected to the screen drum main shaft 4 in frame 1 by screen drum spring bearing 13 and being arranged on screen drum main shaft 4; Described screen drum main shaft 4 is eccentric shaft, the eccentric distance of screen drum main shaft 4 is 1.5mm, described screen drum shell 5 is arranged on screen drum main shaft 4 by the screen drum swivel bearing 12 of automatic aligning, is connected with conveyer belt 8 between the driving wheel 6 of described motor 3 and the drive 7 being fixed on screen drum main shaft 4 one end.When motor 3 driving wheel 6 rotates, drive 7 transmission screen drum main shaft 4 eccentric rotary, screen drum 2 itself has ± vibrating function of the amplitude of 1.5mm, to the sieve aperture place material close with screen size be stuck in or the fine powder material sticked on mesh wire vibrates screen, avoid occurring plug-hole phenomenon, flour Dynamic Separation sieve keeps higher separating effect always.What described screen drum main shaft 4 is provided with the hairbrush 9 of the cleaning fine powder being positioned at screen drum shell 5 and the broken bulk materials of impact re-packs 10, described 10 free ends that re-pack are provided with and multiple re-packing 10 are fixed on the support 11 that re-packs on screen drum main shaft 4, hairbrush 9 and re-pack and 10 carry out particle and sieve material along with being rotated in screen drum 2 of screen drum main shaft 4, realize screen campaign, namely the particle that volume is less than sieve screen apertures becomes screenings through screen cloth, the material that coarse granule volume is greater than sieve screen apertures is transported to other end outlet, become oversize, become wheat bran be extracted or carry out lower one disintegrating apparatus continuation pulverizing.Being provided with between described screen drum 2 and frame 1 makes screen drum 2 vibrate and non-rotary vibration supporting construction.The screen drum that described vibration supporting construction comprises the support screen drum main shaft 4 being arranged on the screen drum supporting bearing base 16 between screen drum spring bearing 13 with frame 1, the twisted plate spring 17 being connected the eccentric vibration produced of counteracting of screen drum supporting bearing base 16 and frame 1 and connecting screen drum supporting bearing base 16 and screen drum spring bearing 13 supports 18; One end of described twisted plate spring 17 is fixedly connected in frame 1, and its other end is connected to below screen drum supporting bearing base 16 by the rubber spring 26 playing cushioning effect; Described screen drum supports the steel wire limit spring 19 that 18 are provided with damping and spacing screen drum 2.Described vibration supporting construction makes screen drum 2 transmission system in screen drum main shaft 4 whirling vibration process unaffected, keeps the function of normal transmitted power; On the other hand can spacing screen drum 2 non rotating, only do oscillating movement; During described flour shaker separator work, though there is oscillating movement, equipment does not vibrate itself, the normal operation of other equipment near can not affecting, vibrate support structure designs rational spring part and buffering and damping have been carried out to its vibration impulse force, improve the service life of equipment, avoid the destruction to ground, equipment running process is steady, and vibrating noise is very little simultaneously.Described screen drum shell 5 is respectively arranged with the charging aperture 20, the discharging opening 21 of material powder discharging and the bran discharging opening 22 of the larger material discharging of particle that feed intake.Described charging aperture 20, discharging opening 21 are all connected with screen drum 2 by flexible connection structure with bran discharging opening 22, and flexible connection structure realizes isolating technique, and feed intake discharging steady and smooth.Described frame 1 is also provided with driving wheel 6, drive 7 and conveyer belt 8 is closed the guard shield 23 surrounded, improve processing safety, and make charging aperture 20 and bran discharging opening 22 keep geo-stationary with frame 1, be convenient to be connected with upper and lower elephant trunk.The other end of described screen drum main shaft 4 is provided with the weighting distribution wheel 24 that stable screen drum main shaft 4 rotates; Described weighting distribution wheel 24 is provided with balancing weight 25, screen drum main shaft 4 certainly leads to the moment of inertia in rotary motion, and this vibration is disadvantageous to the structure of whole equipment, from design, this must be vibrated the moment of inertia produced to balance out, the design adopts weighting distribution wheel 24 to realize, weighting distribution wheel 24 adds balancing weight 25, plays balanced action in the non-drive side of screen drum main shaft 4.The utility model screen drum main shaft 4 is adopted as eccentric shaft, screen drum swivel bearing 12 and screen drum supporting bearing base 16 accentric support screen drum 2, while screen drum main shaft 4 rotates impact material, screen drum 2 carries out oscillating movement in frame, the material close with sieve screen apertures appearance and size is avoided to be stuck on screen cloth or fine powder sticks on mesh wire, occur plug-hole phenomenon, such flour Dynamic Separation sieve keeps higher separating effect always; This equipment de-sign makes screen drum 2 vibrate and non-rotary vibration supporting construction, employing brute spring is fixed, realize screen drum to vibrate and non-rotary duty, during described flour shaker separator work, though there is oscillating movement, but equipment not body vibration itself, the normal operation of other equipment near can not affecting, devise rational spring and buffering and damping have been carried out to its vibration impulse force, improve the service life of equipment, avoid the destruction to ground, equipment running process is steady, and vibrating noise is very little simultaneously.Use the utility model to improve screening efficiency, decrease noise pollution, equipment not easily damages, and reduces cost, improves economic benefit.

The above embodiment is only preferred embodiment of the present utility model, and is not the exhaustive of the feasible enforcement of the utility model.For persons skilled in the art, to any apparent change done by it under the prerequisite not deviating from the utility model principle and spirit, all should be contemplated as falling with within claims of the present utility model.

Claims (9)

1. stable Dynamic Separation sieve managed by a vibratory sieve, it is characterized in that: it comprises frame (1), is arranged on the screen drum (2) in frame (1) and is arranged on the upper motor (3) being screen drum (2) and providing power of frame (1);

Described screen drum (2) inwall is provided with the screen cloth (15) of screen tight compression mechanism (14) tensioning;

Described screen drum (2) comprises the screen drum shell (5) being connected to the screen drum main shaft (4) in frame (1) by screen drum spring bearing (13) and being arranged on screen drum main shaft (4);

Being provided with between described screen drum spring bearing (13) and frame (1) makes screen drum (2) vibrate and non-rotary vibration supporting construction.

2. stable Dynamic Separation sieve managed by a kind of vibratory sieve according to claim 1, it is characterized in that: the screen drum that described vibration supporting construction comprises the support screen drum main shaft (4) being arranged on the screen drum supporting bearing base (16) between screen drum spring bearing (13) with frame (1), the twisted plate spring (17) being connected the eccentric vibration produced of counteracting of screen drum supporting bearing base (16) and frame (1) and connecting screen drum supporting bearing base (16) and screen drum spring bearing (13) supports (18);

One end of described twisted plate spring (17) is fixedly connected in frame (1), and its other end is connected to screen drum supporting bearing base (16) below by the rubber spring (26) playing cushioning effect;

Described screen drum supports the steel wire limit spring (19) that (18) are provided with damping and spacing screen drum (2).

3. stable Dynamic Separation sieve managed by a kind of vibratory sieve according to claim 1, it is characterized in that: described screen drum main shaft (4) is provided with the hairbrush (9) of the cleaning fine powder being positioned at screen drum shell (5) and re-pack (10) of the broken bulk materials of impact.

4. stable Dynamic Separation sieve managed by a kind of vibratory sieve according to claim 3, it is characterized in that: described in (10) free end that re-packs be provided with the support that re-packs (11) multiple re-pack (10) be fixed on screen drum main shaft (4).

5. stable Dynamic Separation sieve managed by a kind of vibratory sieve according to claim 1, it is characterized in that: be connected with conveyer belt (8) between the driving wheel (6) of described motor (3) and the drive (7) being fixed on screen drum main shaft (4) one end.

6. stable Dynamic Separation sieve managed by a kind of vibratory sieve according to claim 1, it is characterized in that: described screen drum shell (5) is respectively arranged with the charging aperture (20), the powder discharging opening (21) of material powder discharging and the bran discharging opening (22) of the larger material discharging of particle that feed intake.

7. stable Dynamic Separation sieve managed by a kind of vibratory sieve according to any one of claim 1-6, it is characterized in that: described charging aperture (20), discharging opening (21) are all connected with screen drum (2) by flexible connection structure with bran discharging opening (22).

8. stable Dynamic Separation sieve managed by a kind of vibratory sieve according to claim 7, it is characterized in that: described frame (1) is also provided with driving wheel (6), drive (7) and conveyer belt (8) are closed the guard shield (23) surrounded.

9. stable Dynamic Separation sieve managed by a kind of vibratory sieve according to claim 8, it is characterized in that: the other end of described screen drum main shaft (4) is provided with the weighting distribution wheel (24) that stable screen drum main shaft (4) rotates; Described weighting distribution wheel (24) is provided with balancing weight (25).