CN210449852U - Cantilever type vibrating bar screen - Google Patents

Abstract

The utility model relates to a cantilever type vibrating bar sieve, including the screen frame of frame and top cooperation vibration exciter, establish damping spring between screen frame and frame, the screen frame includes the sifter, and sifter top-down is including receiving material flat board and a plurality of cantilever type screening stick, receives the material flat board and the top of screening stick to be connected, and the lower extreme cooperation of a plurality of cantilever type screening stick is established out the material slide, and a plurality of cantilever type screening stick is the echelonment setting with ejection of compact slide. The utility model discloses the even feed of specially adapted rubbish and elementary screening are favorable to mechanical equipment such as excavator to throw the material, reduce to transporting the belt feeder impact under the shale shaker when throwing the material, effectively reduce bold fabric etc. and hang the jam, help the smooth landing of material on the sieve to break away from. The utility model discloses can regard as the feed equipment and the prescreening equipment of screening production line, or use as other equipment of ordinary shale shaker cooperation, effectively reduce rubbish screening production line equipment quantity, reduce area, reduce the requirement to the construction site, wide application, strong adaptability.

Description

Cantilever type vibrating bar screen

Technical Field

The utility model belongs to the technical field of with net, filter sieve, grid or other similar instrument fine screen, coarse screen, screening or select separately solid material, in particular to cantilever type vibration rod bar sieve suitable for even feed of rubbish and elementary screening.

Background

With the rapid development of socioeconomic in China, the production of domestic garbage in cities and towns is increasing day by day, according to statistics, the annual output of domestic garbage in China is about 2.5 hundred million tons, the accumulated stockpiled garbage around the city reaches 70 hundred million tons, the occupied land is about 80 to more than ten thousand mu, and almost 2/3 cities in 661 cities are surrounded by garbage.

At present, the treatment projects of domestic refuse landfill sites are increased day by day, refuse excavation screening treatment is an important treatment mode, wherein the vibration bar screen is mainly used for separating massive aggregates, fabrics and the like as primary screening equipment, the adverse effect of the massive materials on the normal operation of subsequent screening equipment is reduced, and meanwhile, the materials are loosened, so that the subsequent screening operation is facilitated.

In the prior art, the vibrating screen has the defects of easy blockage, easy suspension of materials and low screening efficiency, and particularly has the problems when wet and sticky stale garbage is screened; on the other hand, the existing vibrating screen basically has no uniform feeding capacity and is difficult to serve as feeding end equipment of a garbage screening production line, belt conveyor feeding is adopted, and a plate type feeding machine and a material homogenizing machine are arranged at the front end of the vibrating screen, so that the whole screening production process equipment occupies a large area, is long in installation period, has high site requirement and high manufacturing cost, and cannot be matched with the current situations of short construction period, short land and severe construction conditions of the screening treatment project of the current garbage landfill.

SUMMERY OF THE UTILITY MODEL

The utility model provides an among the prior art, the shale shaker exists easy jam, easy suspension material, screening inefficiency, simultaneously because do not possess the ability of even feed, and the needs that lead to are equipped with material loading machine and refiner, whole screening production technology equipment takes up an area of big, installation cycle length, the place requires high, the problem that the cost is high, provides a cantilever type vibration bar sieve of optimized structure.

The utility model provides a technical scheme be, a cantilever type vibrating bar strip sieve, include the frame and locate the screen frame at frame top, be equipped with damping spring between screen frame and frame, the screen frame cooperation is equipped with the vibration exciter, the screen frame includes the sifter, sifter top-down is including receiving material flat board and a plurality of cantilever type screening stick, the top of receiving material flat board and screening stick is connected, the lower extreme cooperation of a plurality of cantilever type screening stick is equipped with ejection of compact slide, a plurality of cantilever type screening stick is the echelonment setting with ejection of compact slide.

Preferably, the cantilever type screening bars are not connected with the projection of the discharge sliding plate on the horizontal plane.

Preferably, the discharging sliding plate and the screen body are integrally arranged or arranged in a split mode.

Preferably, the sieve face is wholly obliquely arranged, and an included angle between the sieve face and the horizontal plane is 15-45 degrees.

Preferably, the distance between the projections of the opposite ends of the plurality of cantilevered screening bars and the discharge chute on the horizontal plane is equal to the distance between the adjacent plurality of cantilevered screening bars.

Preferably, the two sides of the cantilever type screening bars, the two sides of the receiving flat plate and the upper end part are surrounded with a feeding hopper; and baffles are arranged on two sides of the discharging sliding plate.

Preferably, the bottom of any cantilever type screening rod is connected with a supporting and reinforcing wall plate, the upper ends of any cantilever type screening rod and the supporting and reinforcing wall plate are embedded in the bottom of the receiving flat plate, and reinforcing ribs are arranged between the adjacent supporting and reinforcing wall plates at the bottom of the receiving flat plate.

Preferably, the vibration exciters are arranged on two sides of the screen body, and any vibration exciter is arranged at the bottom of the receiving flat plate through the matching of a transmission shaft.

Preferably, the side part of the screen body is provided with a manual operation platform.

Preferably, the cantilever type screening bars are seamless thick-walled steel pipes, and the diameter of any cantilever type screening bar is 30 mm-100 mm.

The utility model provides a cantilever type vibration bar screen with an optimized structure, which is particularly suitable for uniform feeding and primary screening of garbage, and a screen body is matched with a vibration exciter to meet the vibration requirement; set up the sifter top-down of screen frame into receiving the material dull and stereotyped, a plurality of cantilever type screening stick and ejection of compact slide, and break off between screening stick and the ejection of compact slide, be the echelonment, headroom above the screen frame, regard as the receiving hopper with screen frame self promptly, be favorable to mechanical equipment such as excavator to throw the material, the receiving material dull and stereotyped has even receiving, the effect of feed, it strikes to transporting the belt feeder under the shale shaker to reduce when throwing the material, the lower tip of cantilever type screening stick is unsettled, can effectively alleviate the hanging jam condition such as bold fabric, ejection of compact slide helps the smooth landing of material on the sieve to break away from.

The utility model discloses both can regard as the feeding equipment and the primary screen equipment of whole strip screening production line, can regard as ordinary shale shaker cooperation other equipment to use again.

The utility model discloses can effectively reduce rubbish screening production line equipment quantity, reduce area, reduce and require the construction place, effectively alleviate bulky fabric etc. and hang the jam condition, wide application, strong adaptability.

Drawings

FIG. 1 is a schematic structural view of the present invention without a manual operation platform;

fig. 2 is a schematic side view of the present invention;

fig. 3 is a schematic structural view of a top view of the excavator in accordance with the present invention;

fig. 4 is a perspective view and a position schematic diagram of the material receiving flat plate, the sieving bar and the discharging sliding plate in the utility model.

Detailed Description

The present invention will be described in further detail with reference to the following examples, but the scope of the present invention is not limited thereto.

The utility model relates to a cantilever type vibrating bar sieve, include frame 1 and the screen frame of locating 1 top in the frame, screen frame and frame are equipped with damping spring 2 between 1, and the screen frame cooperation is equipped with vibration exciter 3, the screen frame includes the sifter, sifter top-down is including receiving material dull and stereotyped 4 and a plurality of cantilever type screening stick 5, the top of receiving material dull and stereotyped 4 and screening stick 5 is connected, the lower extreme cooperation of a plurality of cantilever type screening stick 5 is equipped with ejection of compact slide 6, a plurality of cantilever type screening stick 5 is the echelonment setting with ejection of compact slide 6.

The utility model discloses in, vibration bar screen primary structure includes frame 1 and the screen frame of setting in frame 1, through setting up the vibration requirement that vibration exciter 3 satisfied the screen frame for the screen frame cooperation.

In the utility model, the screen surface of the screen body is arranged into a receiving flat plate 4, a plurality of cantilever type screening bars 5 and a discharging sliding plate 6 from top to bottom, and the screening bars 5 and the discharging sliding plate 6 are disconnected and are in a ladder shape, and the clearance above the screen body is that the screen body is used as a receiving hopper, thus being beneficial to feeding mechanical equipment such as an excavator 7 and the like, the receiving flat plate 4 has the functions of uniform receiving and feeding, and the impact on a transfer belt conveyor 13 below a vibrating screen during feeding is reduced; the lower end of the cantilever type screening bar 5 is suspended, the suspension blockage situation of large fabrics and the like can be effectively reduced, and the discharging sliding plate 6 is beneficial to smooth sliding and separation of materials on the screen.

The utility model discloses in, receive smooth material preparation such as dull and stereotyped 4 general adoption stainless steel of material, guarantee that the material glides rapidly.

The utility model discloses in, set up a plurality of damping spring 2 between screen frame and frame 1, reduce the damage of screen frame and frame 1, prolong the life of complete machine.

The utility model discloses in, the high-frequency high amplitude vibration when vibrating spear strip sieve operation is favorable to the wet old and decayed rubbish of gluing to realize big or small material separation smoothly, improves and selects separately and feed efficiency.

The utility model discloses in, the vibrating spear bar screen can also be a tractor serves two purposes, can regard as feeding and elementary screening equipment to use one time, can also cooperate other equipment to only use as elementary sorting facilities simultaneously.

The utility model is used as the feeding end of the whole screening system, adopts the excavator 7 for feeding, is mainly used for separating massive aggregates, fabrics and the like, lightens the adverse effect of the massive materials on the normal operation of the subsequent screening equipment, simultaneously loosens the materials and plays the role of uniform feeding; in the feeding process of the excavator 7, the materials blocked by suspension can be removed through manual auxiliary feeding; the garbage screening production line can effectively reduce the quantity of garbage screening production line equipment, reduce the occupied area, reduce the requirements on construction sites, and meanwhile, the equipment can be used as a common vibrating screen, effectively reduce the suspension blocking condition of large fabrics and the like, and has wide application range and strong adaptability.

The cantilever type screening bar 5 is not connected with the projection of the discharging sliding plate 6 on the horizontal plane.

The projection distance of the opposite ends of the plurality of cantilever type screening bars 5 and the discharge sliding plate 6 on the horizontal plane is equal to the distance between the adjacent cantilever type screening bars 5.

In the utility model, the sieving stick 5 is not connected with the discharging slide plate 6, the sieving stick 5 is arranged in a cantilever type and has a ladder shape; specifically, the receiving flat plate 4 and the screening bars 5 are used as a first plane, the discharging sliding plate 6 is used as a second plane, and the first plane is higher than the second plane and is not connected with the second plane.

In the utility model, in order to prevent the tail end of the screening bar 5 from hanging flexible massive materials, such as cloth, etc., the screening bar 5 adopts the overhanging design, namely the upper end is connected with the receiving flat plate 4, the lower end is separated from the discharging slide plate 6, and the horizontal distance between the screening bar 5 and the discharging slide plate 6 is equal to or at least close to the distance between the adjacent screening bars 5; generally, the height difference between the screening rod 5 and the discharging sliding plate 6 is 20-30 cm, the defect that materials are easily hung at the tail end of the screening rod 5 can be overcome, and if the hanging materials exist on the screening rod 5, the hanging materials can be quickly removed through manual treatment.

In the utility model, the spacing between the screening bars 5 is generally set between 150 mm and 300mm according to the material condition, the excessive width does not play the primary screening role, the large material enters the subsequent screening equipment, the impact load is large, the equipment operation failure is easy to cause, the service life of the equipment is reduced, the excessive width easily causes the material blockage, the normal feeding is difficult, and the workload of manual auxiliary feeding and selection is increased; particularly, when the material is loose, when the bold building rubbish is more, 150~200mm are got to the interval of screening stick 5, and 200~250mm are got when the material wets to glue, domestic waste is many.

The utility model discloses in, the length of screening stick 5 is not less than 1.5m to the material fully separates and sieves.

The discharging sliding plate 6 and the screen body are integrally arranged or arranged in a split mode.

The utility model discloses in, ejection of compact slide 6 can become whole setting with the screen frame, also can divide the body to set up, be independent of the screen frame, fixes alone in frame 1, nevertheless its structure and position do not change.

The utility model discloses in, two kinds of effects that set up the form are similar with the effect, and wherein, the weight that the components of a whole that can function independently setting can alleviate screen frame itself, improve the intensity of vibration, and the simple structure of whole setting, ejection of compact slide 6 also along with the speed that screen frame vibration, material break away from faster. The technical personnel in the field can set the setting according to the requirements.

The sieve face is wholly obliquely arranged, and an included angle between the sieve face and the horizontal plane is 15-45 degrees.

In the utility model, in order to facilitate loading and reduce the impact of falling of materials on the material receiving belt conveyor 13 below the vibrating screen, the vibration exciter 3 is arranged below or on the side part of the screen surface, the arrangement form of clearance is arranged above the screen surface, and under the general condition, the inclination angle of the screen body is 20-30 degrees; after the material is put in by the excavator 7, the material slides down gradually from the receiving flat plate 4, the cantilever type screening bars 5 and the discharging sliding plate 6 under the action of gravity and vibration, the undersize material is transferred by the belt conveyor 13, and the oversize material falls into the material collecting pit through the discharging sliding plate 6.

A feeding hopper 8 is arranged on the two sides of the cantilever type screening bars 5 and the two sides and the upper end part of the receiving flat plate 4 in a surrounding manner; and baffle plates 9 are arranged on two sides of the discharging sliding plate 6.

The utility model discloses in, under the general condition, by a plurality of cantilever type screening stick 5 and receive about 1.5m of the sifter width that the dull and stereotyped 4 of material constitutes, the sifter edge can set up into hopper 8, goes into hopper 8's width and height and can suitably increase according to actual conditions.

The utility model discloses in, go into hopper 8 and set up from screen frame edge slant, be the form of opening.

The utility model discloses in, in order to prevent that the material from outwards falling out, set up baffle 9 in ejection of compact slide 6's both sides, simultaneously, ejection of compact slide 6's end then should stretch out the shale shaker frame more than 0.5m, and ejection of compact slide 6's length is not less than 1m, and the thing of being convenient for to screen falls into the material collection hole smoothly.

The bottom of arbitrary cantilever type screening stick 5 is connected with supports and strengthens wallboard 10, arbitrary cantilever type screening stick 6 inlays the bottom of locating receiving dull and stereotyped 4 with the upper end that supports and strengthen wallboard 10, receives and is equipped with strengthening rib 11 between the adjacent support of dull and stereotyped 4 bottom strengthens wallboard 10.

Cantilever type screening stick 5 is seamless thick wall steel pipe, arbitrary cantilever type screening stick 5's diameter is 30mm ~100 mm.

The utility model discloses in, screening stick 5 adopts the thick wall steel pipe preparation, and the bottom of screening stick 5 is connected with to support simultaneously and strengthens wallboard 10 and support the enhancement, prevents to screen stick 5 buckling deformation.

The utility model discloses in, furtherly, set up strengthening rib 11 between adjacent support enhancement wallboard 10, further guaranteed the intensity of screening stick 5's complete, sifter work, avoid leading to the screen frame to damage because too high vibration volume.

The vibration exciters 3 are arranged on two sides of the screen body, and any vibration exciter 3 is arranged at the bottom of the receiving flat plate 4 through the matching of a transmission shaft.

The utility model discloses in, vibration bar screen adopts the form of side excitation, sets up vibration exciter 3 in the screen frame both sides, and vibration exciter 3 still keeps being close to the screen frame focus simultaneously, and vibration exciter 3 and transmission shaft and material contactless, transmission shaft lie in below the material receiving flat plate 4, have the axle sleeve outside the transmission shaft, and this axle sleeve can strengthen the effect that wallboard 10 was connected and played the strengthening rib with screening stick 5 and support.

The utility model discloses in, vibration exciter 3 is connected with the motor through universal joint or flexible coupling.

The utility model discloses in, the vibration of 3 high frequency high amplitude of vibration exciters, under the general condition, vibrating motor frequency is not less than 960 commentaries on classics/min, frequency conversion control, and the screen frame amplitude is 20~40 mm.

The utility model discloses in, vibration exciter 3's eccentric wheel adopts adjustable design to adjust exciting force in certain extent.

And a manual operation platform 12 is arranged on the side part of the screen body.

The utility model discloses in, set up manual operation platform 12 in screen frame one side, artifical supplementary feeding screening when equipment operation in time gets rid of stifled material jam trouble, the life of further complete machine.

The utility model is particularly suitable for uniform feeding and primary screening of garbage, and the screen body is matched with the vibration exciter 3 to meet the vibration requirement; set up the sifter top-down of screen frame into receiving material dull and stereotyped 4, a plurality of cantilever type screening stick 5 and ejection of compact slide 6, and break off between screening stick 5 and ejection of compact slide 6, be the echelonment, headroom above the screen frame, regard as the receiving hopper with screen frame self promptly, be favorable to mechanical equipment such as excavator 7 to throw the material, receiving material dull and stereotyped 4 has even receiving, the effect of feed, reduce to transport belt feeder 13 to the shale shaker when throwing the material and strike, the lower tip of cantilever type screening stick 5 is unsettled, can effectively alleviate the hanging jam condition such as bold fabric, ejection of compact slide 6 helps the smooth landing of material on the screen to break away from.

The utility model discloses both can regard as the feeding equipment and the primary screen equipment of whole strip screening production line, can regard as ordinary shale shaker cooperation other equipment to use again. The utility model discloses can effectively reduce rubbish screening production line equipment quantity, reduce area, reduce and require the construction place, effectively alleviate bulky fabric etc. and hang the jam condition, wide application, strong adaptability.

Claims (10)

1. The utility model provides a cantilever type vibrating spear bar screen, includes the frame and locates the screen frame at frame top, be equipped with damping spring between screen frame and frame, the screen frame cooperation is equipped with vibration exciter, its characterized in that: the screen frame includes the sifter, sifter top-down is including receiving material flat board and a plurality of cantilever type screening stick, receive the material flat board and connect with the top of screening stick, the lower extreme cooperation of a plurality of cantilever type screening stick is equipped with ejection of compact slide, a plurality of cantilever type screening stick are the echelonment setting with ejection of compact slide.

2. A cantilevered shaker bar screen as claimed in claim 1, wherein: the cantilever type screening bar is not connected with the projection of the discharge sliding plate on the horizontal plane.

3. A cantilevered shaker bar screen as claimed in claim 1, wherein: the discharging sliding plate and the screen body are integrally arranged or arranged in a split mode.

4. A cantilevered shaker bar screen as claimed in claim 1, wherein: the sieve face is wholly obliquely arranged, and an included angle between the sieve face and the horizontal plane is 15-45 degrees.

5. A cantilevered shaker bar screen as claimed in claim 1, wherein: the distance between the projections of the opposite ends of the plurality of cantilever type screening bars and the discharge sliding plate on the horizontal plane is equal to the distance between the adjacent cantilever type screening bars.

6. A cantilevered shaker bar screen as claimed in claim 1, wherein: a feeding hopper is arranged on the two sides of the cantilever type screening bars and the two sides and the upper end part of the receiving flat plate in a surrounding manner; and baffles are arranged on two sides of the discharging sliding plate.

7. A cantilevered shaker bar screen as claimed in claim 1, wherein: the bottom of arbitrary cantilever type screening stick is connected with supports and strengthens the wallboard, arbitrary cantilever type screening stick inlays the bottom of locating the receiving flat board with the upper end that supports and strengthen the wallboard, receives to be equipped with the strengthening rib between the adjacent support enhancement wallboard of material flat board bottom.

8. A cantilevered shaker bar screen as claimed in claim 1, wherein: the vibration exciters are arranged on two sides of the screen body, and any vibration exciter is arranged at the bottom of the receiving flat plate through the matching of the transmission shaft.

9. A cantilevered shaker bar screen as claimed in claim 1, wherein: and a manual operation platform is arranged on the side part of the screen body.

10. A cantilevered shaker bar screen as claimed in claim 1, wherein: the cantilever type screening stick is seamless thick wall steel pipe, and arbitrary cantilever type screening stick's diameter is 30mm ~100 mm.

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